JP6225221B2 - Opening / closing member stop device for opening / closing device - Google Patents

Description

  The present invention relates to an opening / closing body stop device of an opening / closing device for stopping the closing movement when the opening / closing body being closed contacts with an obstacle, for example, a shutter device in which a shutter curtain is an opening / closing body. It can be used for various opening / closing devices such as awning devices and smoke-proof banner devices.

  In the management shutter device that is an opening / closing device and is an opening / closing body in which the shutter curtain is opened / closed, the shutter curtain is opened / closed to open / close an opening such as an entrance / exit. In addition, in the shutter device for disaster prevention, which is also an open / close device, the shutter curtain having a disaster prevention function such as smoke prevention is closed and moved in the event of an abnormal situation such as a fire. A disaster prevention zone is formed. In such a management shutter device, a disaster prevention shutter device, and a combined management and disaster prevention shutter device, an obstacle exists in the closing direction of the shutter curtain, and the shutter curtain that is being moved closes against this obstacle. When touching, the downward closing movement of the shutter curtain is stopped. A shutter curtain stop device, which is an opening / closing body stop device for executing this stop, is shown in Patent Document 1 below.

  The shutter curtain stopping device of this patent document 1 is a mechanical type that moves and closes the shutter curtain even in the event of a power failure when the shutter curtain that has started to move in the event of an abnormal situation such as a fire comes into contact with an obstacle. It is a mechanical device that can be stopped.

  And the shutter curtain stop device of patent documents 1 is constituted including the shutter curtain main part used as an opening-and-closing body main part, and the seat board used as the opening-and-closing body subpart movably provided with respect to this shutter curtain main part. The shutter curtain, which can be opened and closed freely in the vertical direction, has a portion spanned between the shutter curtain and an immovable member that does not move with respect to the shutter curtain, and the shutter curtain opens and closes. Is installed on the shutter curtain, and the seat plate comes into contact with the obstacle in the middle of the downward closing movement of the shutter curtain. By moving upward, the shutter curtain and the bridge member are machined. It is configured to include a, a mechanical coupling device for a coupled state.

  In addition, the mechanical coupling device is operated by upward movement of the seat plate with respect to the shutter curtain body, and has an operating member for mechanically coupling the shutter curtain and the bridging member. Since the seat plate comes in contact with the obstacle during the downward closing movement of the curtain, the seat plate moves upward with respect to the shutter curtain body, so that the operating member is operated. The bridge member is mechanically coupled. Thereby, the weight of the shutter curtain acts as a tension force on the bridge member, and the downward closing movement of the shutter curtain is stopped by using this tension force.

JP 2008-223459 A (paragraphs 0093, 0104, 0105, FIG. 16)

  By the way, in the mechanical coupling device described above, when the shutter curtain is closed and moved to the fully closed position (when the shutter curtain being closed has reached the fully closed position), the seat plate comes into contact with the floor as the counterpart member. Then, the seat member moves upward with respect to the shutter curtain body so that the actuating member is actuated, so that the shutter curtain and the bridging member are mechanically coupled by the mechanical coupling device. That is, when the shutter curtain is closed and moved to the fully closed position, the mechanical coupling device described above senses the floor on which the seat plate abuts as an obstacle, and mechanically couples the shutter curtain and the bridging member. And

  In this way, the bridging member that causes the shutter curtain to move due to the closing movement of the shutter curtain is mechanically coupled to the shutter curtain by the mechanical coupling device every time the shutter curtain being closed reaches the fully closed position. As a result, the durability of the bridging member may be reduced. In particular, since the shutter device for management and the combined shutter device for management and disaster prevention open and close the opening on a daily basis, the risk of lowering the durability of the spanning member is greater than that of the shutter device for disaster prevention. It becomes.

  For this reason, the device which prevents the fall of durability of the spanning member which comprises the shutter curtain stop apparatus of a shutter apparatus is calculated | required.

  An object of the present invention is to provide an opening / closing body stopping device for an opening / closing device that can prevent a decrease in durability of a bridge member.

  An opening / closing body stop device for an opening / closing apparatus according to the present invention includes an opening / closing body main portion and an opening / closing body sub-portion that is movably provided with respect to the opening / closing body main portion, and can be closed and moved. The opening / closing body, a stationary member that is stationary with respect to the opening / closing body, and a portion spanned between the opening / closing body. The opening / closing body sub-portion moves with respect to the opening / closing body main portion when the opening / closing body sub-portion abuts against an obstacle during the closing movement of the opening / closing body. And a mechanical coupling device for mechanically coupling the opening / closing body and the bridging member, wherein the mechanical coupling device is the opening / closing body for the opening / closing body main part. Actuated by the movement of the sub-portion, the opening and closing body and the bridge In an opening / closing body stop device for an opening / closing device having an operating member for mechanically connecting the member, the operation member is operated when the opening / closing body is closed and moved to a fully closed position. It is characterized by comprising an operation blocking means for blocking.

  In the present invention, the opening / closing body sub-part constituting the opening / closing body abuts against an obstacle during the closing movement of the opening / closing body, so that the opening / closing body sub-part moves relative to the opening / closing body main part constituting the opening / closing body. To do. As a result, the actuating member of the mechanical coupling device is activated, and the bridging member that has been moved relative to the opening / closing body by the closing movement of the opening / closing body is mechanically coupled to the opening / closing body. The closing movement of the opening / closing body stops.

  As described above, in the open / close body stop device of the conventional open / close device, when the open / close body is closed to the fully closed position, the open / close body sub-portion is on the floor (in other words, the stationary member that exists in the closing movement direction of the open / close body). The opening / closing body sub part moves relative to the opening / closing body main part constituting the opening / closing body. As a result, the actuating member of the mechanical coupling device is actuated, and the bridging member that has moved relative to the opening / closing body by the closing movement of the opening / closing body is mechanically coupled to the opening / closing body. That is, in the conventional opening / closing body stop device of an opening / closing device, each time the opening / closing body is closed and moved to the fully closed position, the operating member of the mechanical coupling device is operated, and the opening / closing body is moved by the closing movement of the opening / closing body. The generated bridging member is mechanically coupled to the opening / closing body. For this reason, in the opening / closing body stopping device of the conventional opening / closing device, the durability of the bridging member may gradually decrease.

  However, the opening / closing body device for the opening / closing body according to the present invention is provided with the operation blocking means for blocking the operation of the operating member when the opening / closing body is closed and moved to the fully closed position. As a result, when the opening / closing body is moved to the fully closed position, the bridging member that has moved relative to the opening / closing body by the closing movement of the opening / closing body is not mechanically coupled to the opening / closing body.

  For this reason, according to this invention, it becomes possible to prevent the fall of durability of the spanning member which comprises the opening-and-closing body stop apparatus of an opening-and-closing apparatus.

  In addition, this invention becomes a thing especially suitable with respect to the shutter apparatus for management for opening and closing an opening part daily, and the combined shutter apparatus of management and disaster prevention.

  In the present invention, the term “opening / closing body that can be closed and moved” means that the opening / closing body is at least closed and movable, and includes the case where the opening and closing body can be opened and closed. It is.

  In the present invention, the actuating member included in the mechanical coupling device may have any shape and structure. That is, the actuating member moves between the opening and closing body and the bridging member by moving the opening and closing body sub part with respect to the opening and closing body main part when the opening and closing body sub part comes into contact with the obstacle during the closing movement of the opening and closing body. As long as they are in a mechanically coupled state, they may be of any shape and structure.

  Further, the operation mode of the operation member may be arbitrary, and this operation mode may be swinging, linear motion, or other motion such as meandering motion.

  When the operating mode of the operating member is swinging, the operating member is a swinging member that can swing about the fulcrum shaft. In this case, the opening / closing body sub-portion abuts against the obstacle during the closing movement of the opening / closing body, and the opening / closing body sub-portion moves relative to the opening / closing body main portion, so that the swinging member is centered on the fulcrum shaft Rocks. As a result, the swinging member is in a state where the opening / closing body and the bridging member are mechanically coupled directly or indirectly.

  As described above, when the operating member is a swinging member that can swing around the fulcrum shaft, as a first example of the specific shape and structure of the swinging member, The first coupling member and the second pivoting member provided in the mechanical coupling device are configured to be opened and closed by the opening / closing body sub-part contacting the obstacle. When moved relative to the main body, the first rocking member clamps and locks the bridging member together with the second rocking member, and the sandwiching lock mechanically couples the opening / closing body and the bridging member. Can be mentioned.

  Here, the first swing member and the second swing member may be swingable about the same fulcrum shaft, or may be swingable about different fulcrum shafts. Good. In short, it is sufficient that the first swing member and the second swing member have a shape and a structure that can sandwich the bridging member.

  Note that the first and second swinging members may be configured such that the bridging member is clamped and locked by a friction member attached to these swinging members. In other words, a friction member may be attached to each of the first and second swinging members, and the bridging member may be clamped and locked by these friction members.

  According to this, since the bridging member is pinched and locked by the frictional force of the friction member, the pinching lock can be performed while preventing the sliding movement of the bridging member.

  In the present invention, the bridging member that is a mechanical member may be of any shape and structure, and this bridging member may be, for example, a rod-like member or a block-like member that is telescopically extendable and contractible. A string-like member or the like may be used. When the bridge member is a string-like member, the string-like member may be a wire made of metal, a string made of synthetic resin, a rope, or a chain including a roller chain or a ball chain. Other elongated members may be used.

  In the present invention, when the bridging member is a string-like member, the string-like member has a U-shape in which a portion corresponding to the mechanical coupling device is a folded portion. One end is connected to a winding device that winds up the string-like member so that the string-like member can be unwound, and the winding device is disposed on the stationary member that is stationary with respect to the closing movable body. Also good.

  According to this, the string-like member can be made to follow the opening and closing movement of the opening and closing body by winding and unwinding of the winding device, and thereby the string-like member is opened and closed by the closing movement of the opening and closing body. Can cause movement relative to the body.

  In the present invention, when the bridging member is a string-like member, the string-like member is bent at a portion corresponding to the mechanical coupling device (for example, L-shaped), and One end of the string-like member is connected to a winding device that winds up the string-like member so that the string-like member can be unwound freely. The winding device is disposed in the main part of the opening / closing body, and the other end of the string-like member is arranged. The end may reach the stationary member.

  According to this, the string-like member can be made to follow the opening and closing movement of the opening and closing body by winding and unwinding of the winding device, similarly to the case where the string-like member is the U-shape described above, Thereby, a movement with respect to this opening / closing body can be produced in the string-like member by the closing movement of the opening / closing body.

  In the present invention, the operation preventing means may have any shape and structure.

  As described above, as a first example of the operation preventing means when the bridging member is a string-like member, it can swing around the fulcrum shaft or a fulcrum shaft different from the fulcrum shaft. A third portion having an action point portion provided with an engagement portion that engages with an engaged portion of one of the first swing member and the second swing member, and a force point portion. The swinging member and the portion of the string-like member that is drawn out from the winding device, and fixed to the position of the winding device side with respect to the power point portion of the third swinging member. An abutting member that abuts against the force point portion of the third swing member before the closing movement, and the abutting member is moved to the fully closed position until the abutting member is moved to the fully closed position. By abutting against the force point portion of the third swing member, the third swing member is moved to the third position. The engaging portion of the moving member engages with the engaged portion of one of the first oscillating member and the second oscillating member, and the one is sandwiched by the bridging member Examples thereof include those that are swung in a direction opposite to the locking direction.

  According to the first example, the abutting member fixed to the bridging member, together with the bridging member that moves relative to the opening / closing body by the closing movement of the opening / closing body, faces the force point portion of the third swinging member. The contact member comes into contact with the force point portion of the third swing member until the opening / closing body moves to the fully closed position. As a result, the third swing member is configured such that the engaging portion of the third swing member is engaged with the engaged portion of one of the first swing member and the second swing member. In addition, the one is swung in a direction opposite to the direction in which the bridging member is clamped and locked. As a result, the bridging member is prevented from being locked by the first and second swinging members.

  As described above, when the operation preventing means includes the third swing member having the action point portion and the force point portion and the contact member, The force point portion is a bifurcated portion, and the bridging member is inserted between the bifurcated portion and a through hole formed in a housing member for housing the mechanical coupling device. The width dimension of the contact member in the direction orthogonal to the opening / closing movement direction of the opening / closing body is made larger than the interval between the forked portions, and the contact member moves the bifurcated until the opening / closing body moves to the fully closed position. The bifurcated portion may be in contact with the storage member when the opening / closing body is closed and moved to the fully closed position.

  According to this, the abutting member fixed to the bridging member moves in the closing movement direction together with the bridging member in which movement with respect to the opening / closing body is caused by the closing movement of the opening / closing body. By the time it is closed and moved to the fully closed position, it comes into contact with the bifurcated portion that is the power point portion. That is, an external force in the closing movement direction of the opening / closing body due to the contact of the contact member acts on the bifurcated portion until the opening / closing body moves to the fully closed position.

  As a result, as described above, the third swing member has the engagement portion of the third swing member that is engaged with either the first swing member or the second swing member. While engaging with the joint portion, the one side is swung in a direction opposite to the direction in which the bridging member is clamped and locked. As a result, the bridging member is prevented from being locked by the first and second swinging members.

  In addition, as a result, the bifurcated portion of the third swinging member with which the contact member is in contact is moved when the opening / closing body is closed to the fully closed position (when the opening / closing body that is being closed has reached the fully closed position). In this case, it comes into contact with the storage member of the mechanical coupling device. In other words, when the opening / closing body is moved to the fully closed position, the contact member comes into contact with the storage member of the mechanical coupling device via the bifurcated portion of the third swing member. As a result, a tension force acts on the spanning member, and the closing movement of the opening / closing body is stopped by stopping the opening / closing body by the tension force acting on the spanning member based on the weight of the opening / closing body. .

  The opening / closing body of the operation preventing means is configured such that the bridging member is inserted between the bifurcated portion and a through hole formed in the storage member for storing the mechanical coupling device. The dimension in the thickness direction can be further reduced.

  In the present invention, as described above, as a second example of the operation preventing means when the bridging member is a string-like member, the mechanical member is a portion of the string-like member that is fed out from the winding device. A contact member that is fixed at a position closer to the winding device than the coupling device and abuts against a storage member for storing the mechanical coupling device when the opening / closing body is moved to the fully closed position. it can.

  According to the second example, the abutting member fixed to the bridging member moves in the closing movement direction together with the bridging member in which the movement with respect to the opening / closing body is caused by the closing movement of the opening / closing body. When the opening / closing body is moved to the fully closed position, it comes into contact with the storage member of the mechanical coupling device.

  Here, in this second example, “when the opening / closing body is closed and moved to the fully closed position” means that the opening / closing body sub-portion of the opening / closing body is an immovable member that exists in the closing movement direction of the opening / closing body. Member) (for example, the floor of the opening such as the doorway or the floor of the indoor space), the first and second swinging members swing, and the first and second swinging members swing. Thus, it means a range until the opening / closing body sub-portion of the opening / closing body moves in the opening movement direction of the opening / closing body to the opening / closing body main part until just before the clamping of the bridging member is performed. That is, “when the opening / closing body is closed and moved to the fully closed position” may be, for example, when the opening / closing body sub-part of the opening / closing body abuts (contacts) the mating member. The opening / closing body sub-portion of the opening / closing body may move in the opening / closing body moving direction with respect to the opening / closing body main part until just before the bridging member is locked. It is.

  As described above, in the second example of the operation blocking means, the abutting member comes into contact with the storage member of the mechanical coupling device when the opening / closing body is moved to the fully closed position. Thereby, a tension force acts on the bridging member, and the closing movement of the opening / closing body is stopped by stopping the opening / closing body by the tension force acting on the bridging member based on the weight of the opening / closing body. At this time (when the opening / closing body is closed and moved to the fully closed position), the clamping of the bridging member by the first and second swinging members is not performed as described above. That is, in this second example, when the opening / closing body is closed and moved to the fully closed position, the holding member is prevented from being locked by the first and second swinging members.

  As described above, in the case where the operation preventing means is constituted by the abutting member fixed to the bridging member, the bridging member is formed on the housing member for housing the mechanical coupling device. The width of the contact member in the direction perpendicular to the opening / closing movement direction of the opening / closing body is made larger than the diameter of the through-hole, and the opening / closing body is closed to the fully closed position. When moved, the contact member may contact the peripheral edge of the through hole.

  According to this, the abutting member fixed to the bridging member moves in the closing movement direction together with the bridging member in which the movement with respect to the opening / closing body is caused by the closing movement of the opening / closing body, and the abutting member is moved to the opening / closing body. Is moved to the fully closed position, it comes into contact with the peripheral edge of the through hole. As a result, as described above, a tension force acts on the bridging member, and the opening / closing body stops at the tension force acting on the bridging member based on the weight of the opening / closing body. The closing movement stops. As a result, the pinching lock of the bridging member by the first and second swinging members is prevented.

  In addition, the dimension of the opening / closing body of the operation blocking means in the thickness direction can be further reduced by inserting the bridging member through a through hole formed in the housing member for housing the mechanical coupling device. can do.

  In the present invention, as described above, as the third example of the operation blocking means when the bridging member is a string-like member, the opening / closing body of the opening / closing body in the stationary member or a stationary member different from the stationary member is used. Provided at a position closer to the opening side than the fully closed position, and when the opening and closing body is closed to the fully closed position, in a direction orthogonal to the opening and closing movement direction of the opening and closing body at the closing side end of the opening and closing body main part. An abutted portion where both end portions of the opening / closing body in the width direction abut can be given.

  Here, “when the opening / closing body is closed and moved to the fully closed position” means that the opening / closing body sub-part of the opening / closing body abuts (contacts) the mating member, as in the second example of the operation blocking means described above. From time to time, the opening / closing body sub-portion of the opening / closing body is the main body of the opening / closing body until just before the first and second swinging members swing and the holding member is locked by the first and second swinging members. The range up to when the opening / closing body moves in the opening movement direction with respect to the part.

  In the third example of the operation blocking means, when the opening / closing body is closed and moved to the fully closed position, both end portions in the width direction of the opening / closing body main part are brought into contact with the contacted part, so that the opening / closing body sub part The closing movement of is also stopped. As a result, the opening / closing body sub-part cannot move in the opening / closing direction of the opening / closing body with respect to the opening / closing body main part. As a result, the first and second oscillating members are prevented from oscillating, and the bridging member is prevented from being locked by the first and second oscillating members.

  The immovable member provided with the contacted portion or the immovable member different from the immovable member may be any member as long as it is a member that is immovable with respect to the opening / closing body that opens and closes. Members that form the outer frame of the opening such as the doorway that is opened and closed by the opening and closing body (including the floor of the opening), the floor of the indoor space in which the disaster prevention section is formed by the opening and closing body that is closed and moved to the fully closed position, A guide member for guiding the opening / closing movement of the opening / closing body, a structure housing for the opening / closing device, a housing for a structure such as a building in which the opening / closing device is installed, and the like.

  Further, the shape and structure of the contacted portion may be arbitrary as long as both end portions in the width direction of the main body of the opening / closing body can be in contact with each other. It may be a protruding piece projecting in the width direction of the main part of the opening / closing body, or may be an extending part extending from the stationary member or a stationary member different from this stationary member to the opening side (opening movement direction) of the opening / closing body. . In the latter case, both end portions in the width direction of the opening / closing body main part are brought into contact with the end surface of the opening portion of the opening / closing body in the extending portion.

  In the present invention, as described above, as a fourth example of the operation blocking means when the bridging member is a string-like member as described above, it can swing around the fulcrum shaft or a fulcrum shaft different from the fulcrum shaft. And an engaging portion that engages with one of the first swinging member and the second swinging member is provided, and is orthogonal to the opening / closing movement direction of the opening / closing body. A third swinging member having an arm portion extending in a direction having a component in the width direction of the opening / closing body, and the fully closing of the opening / closing body in the stationary member or a stationary member different from the stationary member. A contacted portion that is provided at a position closer to the opening than the position and is capable of abutting the tip of the arm portion of the third rocking member before the opening / closing body is closed and moved to the fully closed position. And the third swing until the opening / closing body moves to the fully closed position. When the distal end portion of the arm portion of the member abuts on the contacted portion, the third swinging member has the engagement portion of the third swinging member that is in contact with the first swinging member and the first swinging member. Examples include engaging one of the two swinging members with the engaged portion and swinging the one in a direction opposite to the direction in which the bridging member is clamped and locked. it can.

  The immovable member provided with the contacted portion or the immovable member different from the immovable member is immovable with respect to the openable / closable opening / closing body as in the third example of the operation blocking means described above. Any member may be used, for example, a member (including the floor of the opening) that forms the outer frame of the opening such as an entrance that is opened and closed by the opening / closing body, and the closed movement to the fully closed position. For floors in indoor spaces where disaster prevention zones are formed by opening and closing bodies, guide members that guide opening and closing movements of opening and closing bodies, and for structural bodies of opening and closing devices and structures such as buildings where opening and closing devices are installed It is a housing etc.

  Also, the shape and structure of the abutted portion are arbitrary as long as the tip of the arm portion of the third rocking member can abut, as in the third example of the operation preventing means described above. For example, it may be a protruding piece projecting in a direction orthogonal to the opening / closing movement direction of the opening / closing body (width direction of the opening / closing body main part), and the opening / closing body is opened from the stationary member or a stationary member different from the stationary member. It may be an extending part extending to the side (opening movement direction).

  In the third and fourth examples of the operation blocking means described above, it is a portion of the string-like member that is fed from the winding device and is located at a position closer to the winding device than the mechanical coupling device. When the opening / closing body is closed and moved to the fully closed position, it is preferable to fix the contact member that contacts the storage member for storing the mechanical coupling device.

  Thereby, when the opening / closing body is moved to the fully closed position, a tension force acts on the spanning member, and the opening / closing body stops at the tension force acting on the bridging member based on the weight of the opening / closing body. Thus, the closing movement of the opening / closing body is stopped.

  In this case, the bridging member is inserted into a through hole formed in the storage member, and the width dimension of the contact member in the direction orthogonal to the opening / closing movement direction of the opening / closing body is set to the through hole. The contact member may be in contact with the peripheral edge of the through hole when the opening / closing body is moved to the fully closed position.

  According to this, the dimension of the opening / closing body of the operation preventing means in the thickness direction can be further reduced.

  In the present invention described above, it is preferable that the fixing position of the contact member to the bridging member is adjustable.

  As described above, when the opening / closing body is moved to the fully closed position, the contact member is brought into contact with the storage member of the mechanical coupling device, or the contact member is formed at the periphery of the through hole formed in the storage member. It is necessary to make it contact | abut to a part, or to contact the forked part of a 3rd rocking | fluctuation member to the said storage member. In other words, when the opening / closing body is moved to the fully closed position, the contact member just contacts the storage member of the mechanical coupling device, or the contact member has a peripheral edge of the through hole formed in the storage member. The abutting member must be fixed to the bridging member so that it just abuts the part, or the bifurcated part of the third swinging member just abuts the storage member.

  The work of fixing the contact member to the bridging member may be performed at the factory or at the site where the switchgear is installed, but in either case, the contact member is installed at the site. It may be necessary to finely adjust the position to be fixed to the transfer member.

  For this reason, it is preferable that the fixing position of the contact member to the bridge member is adjustable.

  Here, in order to be able to adjust the fixing position of the contact member to the bridge member, for example, the contact member may be fastened to the bridge member with a detachable fastening tool. .

  The shape and structure of the fastener may be arbitrary. For example, when the bridging member is a string-like member and the contact member is a sleeve-like member that is attached so as to cover the outer periphery of the string-like member, A screw member (so-called potato screw) that is screwed into a screw hole formed in the sleeve-like member may be used.

  In the present invention, when the bridging member is a string-like member, the string-like member extends linearly except for the portion corresponding to the mechanical coupling device, and one of the string-like members. The other end of the string-like member may reach the stationary member or a stationary member different from the stationary member.

  In this case, the mechanical coupling device is provided with a ratchet wheel that rotates when the movement with respect to the opening / closing body is caused to the bridging member by the closing movement of the opening / closing body, A ratchet member for engaging the ratchet wheel when the opening / closing body sub-portion abuts against the obstacle and the opening / closing body sub-portion moves relative to the opening / closing body main portion, and the ratchet of the ratchet member The opening / closing body and the bridging member may be mechanically coupled by biting into the wheel.

  As described above, when the mechanical coupling device is provided with a ratchet wheel and the swinging member is the ratchet member, the operation preventing means is the fulcrum shaft or a fulcrum different from the fulcrum shaft. A direction having a component in the width direction of the opening / closing body that is swingable about an axis and provided with an engaging portion that engages with the ratchet member and is perpendicular to the opening / closing movement direction of the opening / closing body An arm member extending to the stationary member, and the stationary member or a stationary member different from the stationary member, provided at a position closer to the opening side than the fully closed position of the opening and closing member, and the opening and closing member moves to the fully closed position. A contacted portion with which the tip of the arm member abuts until the opening / closing body is closed and moved to a fully closed position. By abutting on the front The arm member is configured so that the engaging portion of the arm member engages with the ratchet member, and the ratchet member is swung in a direction opposite to a direction in which the ratchet member bites into the ratchet wheel. Also good.

  In the present invention described above, the position where the bridging member is arranged is arbitrary, but it is preferably arranged at a position where it cannot be visually recognized from the outside. According to this, the external force which a bridge member receives can be decreased more. It should be noted that all or a part of the bridging member may be arranged at a position where it cannot be visually recognized from the outside.

  For example, when the spanning member has a thickness direction of the opening / closing body that is away from the opening / closing body except for a portion where the mechanical coupling device is disposed in the opening / closing body, at least a part of the spanning member is Further, it may be arranged inside the stationary member that is stationary relative to the opening / closing body. According to this, the part of the bridging member arranged inside the immovable member can be protected from external force.

  The spanning member is a case where the width direction of the opening / closing body is a direction away from the opening / closing body except for a portion where the mechanical coupling device is disposed in the opening / closing body, and the opening / closing body is the opening / closing body. If the end in the width direction is guided by a slidably inserted guide member to open and close, the bridging member is excluded from the portion corresponding to the mechanical coupling device. You may arrange | position inside. According to this, the bridging member can be protected from external force by the guide member.

  In the above-mentioned present invention, it is preferable that the bridging member is disposed away from the opening / closing body except for a portion where the mechanical coupling device is disposed in the opening / closing body. According to this, the bridging member and the opening / closing body do not interfere with each other, and therefore the bridging member has no possibility of hindering the closing movement of the opening / closing body, and therefore, the normal opening / closing body that does not contact the obstacle. The closing movement of the opening and closing body and the closing movement of the opening / closing body before contact with the obstacle and after the obstacle is removed can be smoothly performed as predetermined.

  In the above-described present invention, each of the above-described immovable members may be any member as long as it is a member that is immovable with respect to the opening / closing body that opens and closes. Members (including the floor of the opening), the floor of the indoor space in which the disaster prevention zone is formed by the opening / closing body closed and moved to the fully closed position, the guide member for guiding the opening / closing movement of the opening / closing body, Is a structural housing of the switchgear, a housing for a structure such as a building in which the switchgear is installed, and the like.

  In the present invention, the arrangement position of the mechanical coupling device may be the main part of the opening / closing body or the sub part of the opening / closing body. However, when the mechanical coupling device is arranged in the main part of the opening / closing body, the part of the opening / closing body that moves by contacting the obstacle during the closing movement of the opening / closing body is an opening / closing body sub-part, and Since it is not the main part, the mechanical coupling device can be prevented from moving when contacting the obstacle. Thereby, the structure for making the opening / closing body and the bridging member mechanically coupled by the mechanical coupling device can be simplified.

  In the present invention, the direction in which the bridging member is separated from the opening / closing body may be any direction except for the portion where the mechanical coupling device in the opening / closing body is arranged, and this direction is the thickness of the opening / closing body. The opening direction may be the direction perpendicular to the opening / closing movement direction of the opening / closing body and the direction perpendicular to the width direction of the opening / closing body, or the width direction of the opening / closing body (direction perpendicular to the opening / closing movement direction of the opening / closing body) In the direction perpendicular to the thickness direction).

  When the spanning member is the thickness direction of the opening / closing body except for the part where the mechanical coupling device is disposed in the opening / closing body, the opening / closing body main part and the opening / closing body sub-part are For example, the opening / closing body main portion and the opening / closing body sub-portion are the same (substantially different, but substantially the same in terms of dimensions in the opening / closing body thickness direction). The same applies hereinafter), or the open / close body main part may be larger than the open / close body sub part, or the open / close body sub part may be larger than the open / close body main part. It may be.

  When the opening / closing body sub-portion has the same dimension as the opening / closing body main part or larger than the opening / closing body main part in the opening / closing body thickness direction, the bridging member is arranged in the opening / closing body thickness direction of the opening / closing body sub-part. By arranging within the dimensions, this bridging member can be arranged within the thickness dimension of the entire opening / closing body defined by the opening / closing body thickness direction dimension of the opening / closing body sub-portion. It can suppress that the opening-and-closing body thickness direction dimension about the whole opening-and-closing body containing becomes large by a bridging member.

  In the present invention, when the closing direction of the opening and closing body is downward and the closing movement of the opening and closing body is stopped in an emergency by the tension force acting on the bridge member, the end of the bridge member can be closed and moved freely. It may be connected to an immovable member that is immovable with respect to the opening / closing body, or the opening / closing body drive device is mechanically connected to the end of the bridging member via the intermediate device or without the intermediate device. When a tension force is applied to the spanning member, the brake means provided in the drive device is turned on by inputting the tension force to the mechanical control device. Thus, the downward closing movement of the opening / closing body may be mechanically stopped.

  Further, in the present invention, when the opening and closing body is suspended below the ceiling member through the lintel slit disposed on the ceiling member, and the spanning member has a length straddling the top and bottom of the ceiling member The bridging member may be inserted through the slit of the lintel without contacting the lintel. According to this, since the bridging member does not interfere with the lintel, it is possible to prevent both the bridging member and the lintel from being damaged. This effect becomes remarkable when the bridging member is moved relative to the lintel when the opening / closing body is opened / closed. In addition, when the bridging member moves relative to the lintel when the opening / closing body is opened and closed, smooth movement of the bridging member can be ensured.

  Further, in the present invention, when the closing direction of the opening / closing body is a downward direction, the opening / closing body includes the opening / closing body main body and an end member disposed on the lower side of the opening / closing body main body. In addition, the end member includes a fixed portion fixed to the opening / closing body main body, and a movable portion disposed below the fixed portion and movable in the vertical direction with respect to the fixed portion. It is assumed that the opening / closing body main body and the fixed portion constitute the opening / closing body main portion, and the movable portion can be the opening / closing body sub-portion.

  According to this, when the opening / closing body is closing and moving, the opening / closing body abuts against the obstacle present in the closing direction, the movable part serving as the opening / closing body sub-part abuts the obstacle. Therefore, the movement of the opening / closing body sub-part with respect to the opening / closing body main part by the obstacle can be more reliably performed.

  The present invention can be applied to any opening / closing device. One example is a shutter device whose opening / closing body is a shutter curtain. The present invention can also be applied to hinged door devices and sliding door devices, and can also be applied to awning devices, smoke-proof banner devices, and the like.

  When the present invention is applied to a shutter device, the shutter device may be a shutter device for an arbitrary use. That is, the shutter device to which the present invention is applied normally has a disaster prevention function such as smoke prevention as an administrative shutter device in which the shutter curtain is opened and closed to open and close an opening such as an entrance and exit. It may be a management and disaster prevention shutter device that operates as a shutter device for disaster prevention for forming a disaster prevention zone in a structure such as a building by closing and moving the shutter curtain when an abnormal situation such as a fire occurs. The disaster prevention shutter device includes a disaster prevention shutter device for lifting means for closing the vicinity of the lifting means such as an elevator with a fully closed shutter curtain.

  Further, in the shutter device to which the present invention is applied, the shutter curtain may be configured by an arbitrary member and structure. That is, all or the main part of the shutter curtain may be formed by a plurality of slats, may be formed by a sheet, may be formed by a plurality of pipes connected by a link member, or may be formed by a plurality of panels. It may be formed with a net, and may be formed by combining a plurality of members among these members.

  Further, the opening / closing movement direction of the shutter curtain may be the vertical direction, or may be the horizontal direction. When the opening / closing movement direction of the shutter curtain is the vertical direction, the closing direction of the shutter curtain may be the downward direction or the upward direction.

  In the present invention, the opening movement of the shutter curtain in the normal state may be performed by the driving force of the driving device (in other words, electric) by an electric motor or the like, or may be performed manually (in other words, manually). It may be broken.

  Further, in the present invention, when the opening / closing movement direction of the shutter curtain is the vertical direction and the closing movement is downward, it is preferable that the closing movement in an emergency is performed by the weight of the shutter curtain.

  Further, the means for stopping the shutter curtain before closing and moving in the downward direction may be a brake means or a seat plate which is an end member provided at the end of the shutter curtain on the closing side. The latching means provided with the latching member latched to shutter curtain structural members, such as, may be sufficient.

  For the above-mentioned brake means, for the shutter device that performs the opening and closing movement of the shutter curtain by winding and unwinding of the shutter curtain by the winding shaft, an opening / closing machine that is a driving device for rotating the winding shaft is connected to the electric motor. Braking means are included which are configured with the means.

  Further, the locking means includes one that stops the shutter curtain at the fully open position when the locking member is locked to a shutter curtain constituent member such as a seat plate when the shutter curtain reaches the fully open position. included.

  Further, the shutter curtain can be opened and closed by winding and unwinding the shutter curtain using the take-up shaft as described above, or the shutter curtain can be opened and closed by moving the shutter curtain all over like an overhead door. It may be performed while maintaining the same shape as the overall shape when reaching the closed position (including a shape that is somewhat deformed but substantially the same shape), or opening the shutter curtain The movement may be performed while the shutter curtain is deformed into a curved shape or the like, or a plurality of structural members such as a panel constituting the shutter curtain are connected when the shutter curtain is closed and moved while the shutter curtain is opened ( When storing the shutter curtain), they are separated from each other, and these components are overlapped in the thickness direction. It may be adapted to fit.

  Also, the shutter curtain is opened and closed by winding and unwinding the shutter curtain by forward and reverse rotation of the winding shaft, and the shutter curtain is closed downward by the dead weight of the shutter curtain in an emergency, and the shutter at normal times For shutter devices in which the downward closing movement of the curtain is performed by the driving force of the driving device, the winding shaft is provided with a return spring by a torsion coil spring or a mainspring spring in which the return force is accumulated during the closing movement of the shutter curtain. In addition, the shutter curtain upward opening movement (which can be performed by the driving force of the driving device or by manual operation (manual operation)) can be used by using the return force accumulated in the return spring as an auxiliary force. You may make it perform.

  In the present invention, when the drive device is configured to include the electric motor means and the brake means, in the event of an emergency, the open / close body is held in the fully open state by receiving a disaster prevention signal. An automatic closing device for releasing the operation of the brake means and closing and moving the opening / closing body may be provided.

  In the present invention, when the automatic closing device is provided, a manual closing device for manually operating the automatic closing device may be provided. According to this, in the event of an emergency, if the automatic closing device did not work due to a failure, or if a person who discovered a disaster determined that the opening and closing body should be closed and moved as soon as possible, Can be forcibly closed and moved.

  ADVANTAGE OF THE INVENTION According to this invention, the effect that the fall of durability of the spanning member with which the opening-and-closing body stop apparatus of the opening-and-closing apparatus was equipped can be prevented is acquired.

FIG. 1 is a front view showing the entirety of a shutter device serving as an opening / closing device according to an embodiment of the present invention. 2 is a cross-sectional view taken along line S2-S2 of FIG. FIG. 3 is a cross-sectional view showing the internal structure of the switch shown in FIGS. 1 and 2. FIG. 4 is a block diagram of main members and devices constituting the shutter device of FIG. FIG. 5 is a perspective view showing a mechanical obstacle detection device for mechanically detecting an obstacle when the shutter curtain as an opening / closing body abuts on the obstacle during the closing movement. FIG. 6 is a view showing the front side of a case which is a storage member for storing the mechanical coupling device shown in FIG. FIG. 7 is a front view showing the internal structure of the mechanical coupling device. FIG. 8 is a front view showing the mechanical coupling device attached to the shutter curtain. 9 is a cross-sectional view taken along line S9-S9 in FIG. 10 is a cross-sectional view taken along line S10-S10 in FIG. FIG. 11 is an opening / closing body sub-portion, and is similar to FIG. 10 showing when the movable portion of the seat plate, which is the curtain sub-portion, is raised with respect to the obstacle by contact with the obstacle. FIG. FIG. 12 is a view similar to FIG. 7 showing a state in which the lock wire is locked by the mechanical coupling device when the shutter curtain in the closing movement comes into contact with the obstacle. FIG. 13 is a diagram showing an internal structure of the second processing device of the mechanical obstacle detection device shown in FIG. FIG. 14 is a front view showing the internal structure of the automatic closing device shown in FIG. FIG. 15 is a plan view showing the internal structure of the automatic closing device. FIG. 16 is a view similar to FIG. 15 showing when the solenoid of the automatic closing device is energized and excited due to a disaster such as a fire. FIG. 17 is a view similar to FIG. 15 showing when the energization and excitation of the solenoid of the automatic closing device are stopped. FIG. 18 is a view similar to FIG. 15 showing when the shutter curtain that is being closed is in contact with an obstacle. FIG. 19 is a view similar to FIG. 13 showing when the microswitch of the second processing apparatus is activated by the electric shutter curtain that is closing and moving being in contact with an obstacle. FIG. 20 is a flowchart showing the flow of processing by the control device when the shutter device according to the present embodiment operates as a management shutter device. FIG. 21 is a diagram showing a continuation of the flowchart of FIG. FIG. 22 is a flowchart showing the flow of this operation when the shutter device according to the present embodiment operates as a disaster prevention shutter device that is closed and moved by the operation of the automatic closing device. FIG. 23 is a continuation of the flowchart of FIG. FIG. 24 is a flowchart showing a part of the flow of this operation when the shutter device according to the present embodiment operates as a disaster prevention shutter device that is closed and moved by the operation of the manual closing device. FIG. 25 is an enlarged view of the mechanical obstacle detection apparatus shown in FIG. FIG. 26 is a side view of one of both side views of the third lever member which is the third swing member shown in FIG. 25. FIG. 27 is a side view of the other side of the third lever member shown in FIG. FIG. 28 is a plan view of the third lever member shown in FIG. FIG. 29 is a view showing the front side of the case of the mechanical coupling device shown in FIG. 5 and the lower part of the shutter curtain, and is a contact member that constitutes an operation preventing means according to an embodiment of the present invention. It is a figure which shows the state immediately after a certain cylindrical member contact | abuts on the forked part of a 3rd lever member. 30 is a diagram showing an internal structure of the mechanical coupling device in the state shown in FIG. FIG. 31 is an enlarged view of the mechanical obstacle detection device when the shutter curtain is closed and moved to the fully closed position, and is the same view as FIG. 5. FIG. 32 is a view similar to FIG. 29 showing the front side of the case of the mechanical coupling device and the lower part of the shutter curtain when the shutter curtain is closed and moved to the fully closed position. FIG. 33 is a view similar to FIG. 30 showing the internal structure of the mechanical coupling device when the shutter curtain is closed and moved to the fully closed position. FIG. 34 is a view showing an internal structure of a mechanical coupling device provided with an operation preventing means according to another embodiment and a lower portion of the shutter curtain, and showing a state in which the shutter curtain is closed and moved to a fully closed position. It is. FIG. 35 is a view similar to FIG. 1 showing the entirety of the shutter device provided with operation preventing means according to still another embodiment. FIG. 36 is a diagram showing the internal structure of the mechanical coupling device provided with the operation preventing means according to still another embodiment shown in FIG. 35 and the lower part of the shutter curtain. FIG. FIG. 37 is a view similar to FIG. 36 showing the operation blocking means when the shutter curtain is closed and moved to the fully closed position. FIG. 38 is a view showing the internal structure of the mechanical coupling device provided with the operation preventing means according to still another embodiment and the lower part of the shutter curtain, and when the shutter curtain is closed and moved to the fully closed position. FIG.

  EMBODIMENT OF THE INVENTION Below, the form for implementing this invention is demonstrated based on drawing. The opening / closing device according to the present embodiment is a shutter device in which the opening / closing body is a shutter curtain. The shutter device according to the present embodiment is a combined management and disaster prevention shutter device. That is, the shutter device according to the present embodiment has a function as a management shutter device in which a shutter curtain moves to open and close in order to open and close an opening such as an entrance and exit, and a shutter having a disaster prevention function such as smoke prevention. It has a function as a shutter device for disaster prevention to form a disaster prevention zone in a structure such as a building by closing and moving the curtain when an abnormal situation such as a fire occurs (hereinafter referred to as "emergency") ing.

  FIG. 1 shows the entire shutter device according to the present embodiment, and FIG. 1 shows a half in which the opening / closing movement direction is up and down, and the shutter curtain 1 that is closed and moved downward is closed to about half. It shows when it is in the closed state. The opening that is opened and closed by the shutter curtain 1 is an entrance 2 formed in the building. The entrance 2 includes a left and right building housing 3 such as a wall and a lower end of the shutter curtain 1 when fully closed. It is surrounded by a floor 4 and a ceiling member 5 that are counterpart members to be hit. Left and right guide rails 6 in which both end portions in the left and right direction of the shutter curtain 1, in other words, both end portions in the width direction of the shutter curtain 1 are slidably inserted are attached to the left and right building housings 3. Guided by these guide rails 6, the shutter curtain 1 moves up and down.

  A shutter box 8, which is a shutter curtain storage member for storing the shutter curtain 1 that has reached the fully opened position, is disposed in the ceiling space 7 that is partitioned by the ceiling member 5 with respect to the entrance / exit 2. As shown in FIG. 2, which is a cross-sectional view taken along line S2-S2 of FIG. 1, the box 8 is coupled to a building housing 9 such as a falling wall existing in the ceiling space 7 with a coupling tool 10 such as a bolt. Yes. A take-up shaft 11 is horizontally accommodated in the shutter box 8, and the take-up shaft 11 is rotatably supported by the left and right side portions 8A and 8B shown in FIG. Yes. As shown in FIG. 1, an opening / closing machine 13 is connected to one end of the winding shaft 11 via a driving force transmission means 12 using a sprocket wheel and a roller chain. The opening / closing machine 13 serving as a driving apparatus for driving the winding shaft 11, in other words, a driving apparatus for moving the shutter curtain 1 to open / close, is also shown in FIG. 14 between the drive sprocket wheel 12A attached to the drive shaft 14, the driven sprocket wheel 12B attached to the one end of the take-up shaft 11, and the sprocket wheels 12A, 12B. It is transmitted to the take-up shaft 11 through the driving force transmission means 12 by the endless roller chain 12C laid over.

  In addition, the opening / closing machine 13 of this embodiment is attached to the bracket member 15 coupled to one of the left and right side surface portions 8A and 8B of the shutter box 8.

  As can be seen from FIG. 2, the shutter curtain 1 is wound around the winding shaft 11, and the upper end of the shutter curtain 1 is coupled to the outer peripheral surface of the winding shaft 11. Further, the lower part of the shutter curtain 1 from the winding shaft 11 is suspended below the ceiling member 5 through a slit 17 provided in the lintel 16 disposed on the ceiling member 5, and further the shutter. Both ends in the width direction of the curtain 1 are slidably inserted into the left and right guide rails 6 as described above. The lintel 16 is formed by lintel members 16A and 16B arranged to face each other, and a slit 17 is formed between the lintel members 16A and 16B.

  FIG. 3 is a cross-sectional view showing the internal structure of the switch 13. As shown in FIG. 3, the opening / closing machine 13 has a DC or AC electric motor means 18 and a brake means 19 arranged in parallel in the axial direction. The drive shaft 14 described above is an electric motor means. The rotary shaft is fixedly arranged at the center of the 18 rotating rotors 18A. A disc-shaped brake shoe 20 is coupled to the end of the drive shaft 14 on the brake means 19 side. The brake means 19 is provided with a brake shaft 21 that is slidable by a fixed distance in the axial direction. The brake shaft 21 is coupled to a brake drum 22 facing the brake shoe 20 in the axial direction. The brake shaft 21 and the brake drum 22 in the normal state are pressed toward the electric motor means 18 by the spring 23, and therefore the brake means 19 is turned on by the pressure contact between the brake shoe 20 and the brake drum 22. Accordingly, the drive shaft 14 of the electric motor means 18 at this time is not rotated by the braking force of the brake means 19.

  On the other hand, when the solenoid 24 arranged in the brake means 19 is energized, the brake shaft 21 and the brake drum 22 slide in a direction away from the electric motor means 18 against the spring 23 by the magnetic force of the solenoid 24. For this reason, the pressure contact between the brake shoe 20 and the brake drum 22 is released, and the brake means 19 is turned off. Therefore, at this time, the drive shaft 14 of the electric motor means 18 can be rotated by energizing the coil 25.

  Among the left and right building housings 3 shown in FIG. 1, one of the building housings 3 is opened and moved upward with respect to the doorway 2 by the driving force of the switch 13, that is, electrically. An operating device 30 that is an opening / closing body opening / closing / stopping operation instructing means for performing the closing movement downward and the stopping is attached. As shown in FIG. 4 which is a block diagram of main members and devices constituting the shutter device according to the present embodiment, the operation device 30 includes an “open” button 30A and a “close” button 30B. And a “stop” button 30C.

  Further, the shutter curtain 1 occupies most of the area of the shutter curtain 1, and a curtain body 1A whose upper end is coupled to the winding shaft 11 and a seat plate 1B provided at the lower end of the curtain body 1A. It has become. The curtain body 1A of the present embodiment is formed by connecting a large number of slats vertically. The curtain main body 1A is an opening / closing body main body in the present embodiment, and the seat plate 1B is an end member in the present embodiment.

  As shown in FIG. 4, at least the control means 33 for controlling the driving of the switch 13 performs control for operating the shutter device according to the present embodiment as a management shutter device in normal times. A control device 27, and a disaster prevention interlock control device 181 that performs control for operating the shutter device according to the present embodiment as a disaster prevention shutter device in an emergency (for example, when receiving an external disaster prevention signal); The control device 27 is provided with an opening / closing device drive control circuit 28 for controlling the driving of the opening / closing device 13.

  When the shutter curtain 1 reaches the height position of the lintel 16 disposed on the ceiling member 5 as described above, or when the occupant plate 1B has the lintel 16 and the floor 4 as shown in FIG. When the “close” button 30B of the operation device 30 is operated when the shutter curtain 1 that has reached a halfway position between the two is in the half-closed state (half-open state), a signal from the “close” button 30B is input. Since the solenoid 24 of the brake means 19 is energized by the switch drive control circuit 28 of the control device 27, the brake means 19 is turned off and the coil 25 of the electric motor means 18 is energized by the switch drive control circuit 28. . For this reason, the drive shaft 14 rotates in the forward direction, and this rotation is transmitted to the winding shaft 11 via the driving force transmission means 12 described above, and the shutter curtain 1 is rotated by the forward rotation of the winding shaft 11. It is drawn downward from 11 and moves to close. When the shutter curtain 1 closed and moved thereby reaches the fully closed position, a switch drive control circuit 28 to which a signal from a fully closed limit switch 182 (see FIG. 4) that is a sensor that detects the fully closed position is input. The energization to the solenoid 24 is cut off, and the brake means 19 is turned on by the spring 23. In addition, when the shutter curtain 1 is fully closed, or the shutter curtain 1 is in a half-open state where the seat plate 1B reaches the midway position between the lintel 16 and the floor 4 as shown in FIG. When the "open" button 30A is operated in the half-closed state), the solenoid 24 of the brake means 19 is energized by the switch drive control circuit 28 to which the signal from the "open" button 30A is input. While the means 19 is turned off, the coil 25 of the electric motor means 18 is energized by the switch drive control circuit 28. For this reason, the drive shaft 14 rotates in the reverse direction, and this rotation is transmitted to the winding shaft 11 via the driving force transmission means 12 described above, and the shutter curtain 1 is moved to the winding shaft 11 by the reverse rotation of the winding shaft 11. It is rolled up and moved. When the shutter curtain 1 reaches the fully open position, the energization to the solenoid 24 is interrupted by the switch drive control circuit 28 to which a signal from the fully open limit switch 183 that is a sensor that detects the fully open position is input, and the brake means 19 Is turned on by the spring 23, and the energization of the coil 25 is interrupted by the switch drive control circuit 28.

  Further, when the “stop” button 30C is operated while the shutter curtain 1 is being closed and moved, the energization to the solenoid 24 is cut off by the switch drive control circuit 28 to which a signal from the “stop” button 30C is input. Therefore, the brake means 19 is turned on by the spring 23, and the energization of the coil 25 of the electric motor means 18 is interrupted by the switch drive control circuit 28, whereby the shutter curtain 1 stops at that position. Similarly, when the “stop” button 30C is operated while the shutter curtain 1 is being opened and moved, the switch drive control circuit 28 to which a signal from the “stop” button 30C is input, Since the energization is interrupted, the brake means 19 is turned on by the spring 23, and the energization to the coil 25 of the electric motor means 18 is interrupted by the switch drive control circuit 28, whereby the shutter curtain 1 is moved to its position. Stop at.

  As can be seen from the above description, the floor 4, the guide rail 6, the shutter box 8, and the lintel 16 are not moved with respect to the shutter curtain 1 that opens and closes. The guide rail 6, the shutter box 8, the lintel 16, and the like are immovable members that are immovable with respect to the shutter curtain 1.

  In addition, the winding shaft 11 that rotates forward and backward as described above is provided with a return spring by a torsion coil spring or a mainspring spring in which a return force is accumulated during the closing movement of the shutter curtain 1, and the shutter curtain 1 is moved upward. The opening movement may be performed using the return force accumulated in the return spring as an auxiliary force.

  Further, as shown in FIG. 3, a lever member 31 is disposed at the end of the brake shaft 21 opposite to the electric motor means 18 side. The lever member 31 penetrates the brake shaft 21 and includes a first portion 31A and a second portion 31B that are divided with the brake shaft 21 as a boundary. A first bent portion 31C is formed in the first portion 31A, and a second bent portion 31D is formed in the second portion 31B. When a load is applied to the first portion 31A in the A direction, that is, the side opposite to the electric motor means 18, the first portion 31A swings in the A direction with the second bent portion 31D as a fulcrum, so that the brake shaft 21 and the brake drum 22 slide in the A ′ direction which is the same direction as the A direction. For this reason, the brake means 19 can be turned off without energizing the solenoid 24.

  The load in the A direction acting on the first portion 31A in this way is performed by an automatic closing device 32 and a manual closing device 184, which will be described later, attached to the switch 13. The automatic closing device 32 and the manual closing device 184 are mechanical control devices for mechanically controlling the opening / closing machine 13 as a driving device, as will be described later.

  Further, when a load in the same direction as the A direction acts on the second portion 31B, the second portion 31B swings in the same direction as the A direction with the first bent portion 31C as a fulcrum. 21 and the brake drum 22 slide in the A ′ direction. Therefore, the brake means 19 can be turned off at this time without energizing the solenoid 24.

  Thus, applying a load in the same direction as the A direction to the second portion 31B can be performed manually. For this reason, the opening / closing machine 13 according to this embodiment can turn off the brake means 19 by manual operation. Note that the second portion 31B may be omitted leaving the second bent portion 31D.

  FIG. 5 shows a mechanical obstacle for mechanically detecting the obstacle 34 when the seat plate 1B of the shutter curtain 1 abuts against the obstacle 34 shown in FIG. A detection device 35 is shown. This mechanical obstacle detection device 35 is a locking wire that is a bridging member that has a bridging portion between the lintel 16 that is the aforementioned stationary member and the shutter curtain 1. 36 and one end of this flexible locking wire 36 are coupled, and the first processing device 37 that processes this one end is coupled to the other end of the locking wire 36 The second processing unit 38 that processes the other end and the locking wire 36 are arranged in the middle of the length of the locking wire 36, and the locking wire 36 is moved when the shutter curtain 1 comes into contact with the obstacle 34. A mechanical coupling device 39 for mechanically locking, in other words, for bringing the shutter curtain 1 and the locking wire 36 into a mechanically coupled state is provided. The mechanical coupling device 39 is attached to the shutter curtain 1 as will be described later.

  The locking wire 36 serving as the above-described bridging member is also a string-like member and an elongated member in the present embodiment.

  The first processing device 37, the second processing device 38, and the mechanical coupling device 39 are connected to each other by the lock wire 36, and therefore, mechanical obstacles including these devices 37 to 39 as constituent elements. The detection device 35 is a unit that is easy to handle.

  The first processing device 37 is provided with a rotatable reel 40, and the locking wire 36 is wound around the reel 40 to which one end of the locking wire 36 is coupled. A return spring 41 such as a mainspring spring is connected to the reel 40, and when the lock wire 36 rotates the reel 40 and is drawn out from the reel 40, a return force is accumulated in the return spring 41. When the locking wire 36 is slack, the reel 40 is rotated in the direction in which the locking wire 36 is wound by the return force accumulated in the return spring 41.

  The second processing device 38 is provided with a rotating member 42, and the other end of the locking wire 36 is coupled to the rotating member 42 via a coil spring 43.

  In addition, the first processing device 37 and the second processing device 38 are disposed on the upper surface of the base member 44 that is fixedly disposed on the lintel 16 with bolts or welding. For this reason, the first processing device 37 and the second processing device 38 are disposed. The processing device 38 is a unit structure 45 connected by a base member 44. Therefore, in order to perform the operation of laying the lock wire 36 between the lintel 16 and the shutter curtain 1, the operation of arranging the first processing device 37 and the second processing device 38 in the lintel 16 is a unit structure. The work 45 can be completed simply by performing the work of fixing and installing the object 45 to the lintel 16 with bolts or welding, and this work can be easily performed.

  Also, as described above, the other end of the locking wire 36 is coupled to the rotating member 42 of the second processing device 38 via the coil spring 43, as shown in FIG. The wire 36 is passed through the slit 17 of the lintel 16 disposed on the ceiling member 5 described above. That is, the lock wire 36 has a length that extends over the top and bottom of the ceiling member 5, and the lock wire 36 is inserted into the slit 17 of the lintel 16 without contacting the lintel 16. Yes.

  The arrangement positions of the first processing device 37 and the second processing device 38 in the lintel 16 can be adjusted in the thickness direction of the shutter curtain 1. This will be described. As shown in FIG. 5, the machine casing 46 of the first processing device 37 is a fastener such as a screw inserted into a long hole 47 formed in the side surface 44 </ b> A of the base member 44. 48 is attached to this side surface portion 44A. Therefore, the attachment position of the first processing device 37 on the base member 44 can be adjusted in the thickness direction of the shutter curtain 1 by the length of the long hole 47. Further, the substrate portion 49A of the machine casing 49 of the second processing apparatus 38 is attached to the base member 44 with a fastening tool 51 such as a screw inserted into a long hole 50 formed in the substrate portion 49A. Therefore, the mounting position of the second processing device 38 on the base member 44 can be adjusted in the thickness direction of the shutter curtain 1 by the length of the long hole 50.

  In addition, the structure which can adjust the arrangement position of the 1st processing apparatus 37 and the 2nd processing apparatus 38 in the lintel 16 to the thickness direction of the shutter curtain 1 is not limited to the system of the long holes 47 and 50, for example, Further, a screw feeding method using rotation of a screw shaft member such as a bolt, or a slide-and-stop method in which a plurality of stop members are arranged in the middle of the guide groove may be used.

  The case 55 of the mechanical coupling device 39 shown in FIG. 5 has a back surface portion 55A and an upper surface portion 55B shown in FIG. 5, and a front surface portion 55C shown in FIG. That is, in FIG. 5 and FIG. 6, the front and back of the mechanical coupling device 39 are reversed. FIG. 7 is a front sectional view of FIG. 6 showing the structure of the mechanical coupling device 39 housed in the case 55. As shown in FIG. 5, the upper surface portion 55B of the case 55 is formed with two holes 56 and 57 through which the locking wire 36 enters and exits. As shown in FIG. Two rotatable rollers 58 and 59 for guiding the lock wire 36 are arranged in the interior of the 55 so as to be separated from each other in the width direction of the shutter curtain 1, and together with these rollers 58 and 59, the lock wire 36. A plurality of guide members 60 such as pins for guiding them are also arranged.

  Further, in the case 55, a first lever member 61 serving as a sandwiching member for sandwiching a portion (a folded portion described later) 36A between the rollers 58 and 59 of the lock wire 36 from above and below. The second lever member 62 is disposed, and these lever members 61 and 62 are swingable up and down around the same fulcrum shaft 63. A downward pressing force by a torsion coil spring 64 is acting on the upper first lever member 61, and the first lever member 61 is provided with a convex portion 61A that is curved downward. When the portion 61A hits the portion 36A of the locking wire 36, the downward swing limit of the first lever member 61 around the fulcrum shaft 63 is defined. Further, in order to prevent the first lever member 61 from largely swinging downward about the fulcrum shaft 63 when the portion 36A is relaxed, the case 55 includes a first lever member. A stop member 65 is fixed by a pin or the like for receiving the end of 61 opposite to the fulcrum shaft 63 side.

  A weight member 66 is attached to an end of the lower second lever member 62 opposite to the fulcrum shaft 63 side. Due to the weight of the weight member 66, the fulcrum shaft 63 is attached to the second lever member 62. A downward swinging force is acting around the center. Further, the second lever member 62 is provided with a convex portion 62A that is curved upward.

  Further, friction members 67 and 68 are provided on the lower surface of the upper first lever member 61 and the upper surface of the lower second lever member 62, in other words, on the surfaces of the lever members 61 and 62 facing each other. It is attached. When the first lever member 61 and the second lever member 62 pinch and lock the portion 36A of the lock wire 36, the friction members 67 and 68 generate a friction force between the portion 36A and the friction member 67 and 68. It is intended to increase the size and secure the lock. The upper first lever member 61 is formed with a downward projecting piece portion 61B. The projecting piece portion 61B and the back surface portion 55A of the case 55 provide two portions 36A for the locking wire 36. It is prevented that the lever members 61 and 62 are disengaged from each other. Further, the convex portion 62A of the second lever member 62 has the friction members 67 and 68 sandwiching the portion 36A of the locking wire 36 by the second lever member 62 swinging upward about the fulcrum shaft 63. Immediately before the attachment and locking, the portion 36A is pushed upward, whereby the portion 36A by the friction members 67 and 68 is clamped and the locking can be performed more reliably. Further, the lower second lever member 62 is provided with a convex portion 62B that is curved downward.

  FIG. 8 shows a front view when the mechanical coupling device 39 is attached to the shutter curtain 1. FIG. 9 is a cross-sectional view taken along line S9-S9 in FIG. 8. In FIG. 9, the internal structure of the seat plate 1B of the shutter curtain 1 described above is shown, and in FIG. The mechanical coupling device 39 is indicated by a two-dot chain line. As described in FIG. 1, the shutter curtain 1 occupies most of the area of the shutter curtain 1, and as shown in FIG. 9, the curtain body 1 </ b> A serving as the opening / closing body in the present embodiment. And a seat plate 1B provided at the lower end of the curtain body 1A and serving as an end member in the present embodiment. The seat plate 1B is fixed to the lower portion of the curtain body 1A, and a movable portion 70B is disposed below the fixed portion 70A and is movable in the vertical direction with respect to the fixed portion 70A. It consists of.

  Further, as shown in FIG. 8, the shutter curtain 1 of the present embodiment includes a curtain main portion 71A and a curtain sub-portion 71B. The curtain main portion 71A includes a curtain main body 1A and a seat plate 1B. The curtain sub-part 71B is constituted by the movable part 70B of the seat plate 1B. Accordingly, the curtain sub-portion 71B is disposed at the end of the shutter curtain 1 on the closing side. The curtain main portion 71A is an open / close body main portion in the present embodiment, and the curtain sub-portion 71B is an open / close body sub-portion in the present embodiment.

  As shown in FIG. 9, the fixing portion 70 </ b> A of the seat plate 1 </ b> B is formed by inner and outer members 75 and 76 each having a box shape in cross section, and the outer member 75 is divided in the thickness direction of the shutter curtain 1. The two divided members 75A and 75B are arranged, and these divided members 75A and 75B are coupled to the lower end portion of the curtain body 1A by a coupling tool 77 such as a bolt or a nut. Further, the lower surfaces of the inner and outer members 75 and 76 have an opening 78, and the upper end of the rising portion 79 of the movable portion 70B of the seat plate 1B is inserted into the internal space of the fixed portion 70A from the opening 78. At the upper end of the rising portion 79, extending portions 79A and 79B extending outward in the thickness direction of the shutter curtain 1 are formed, and these extending portions 79A and 79B are formed at the lower end of the inner member 76 of the fixed portion 70A. By riding on the upper surfaces of the formed projecting piece portions 76A and 76B, the lower limit of movement of the movable portion 70B relative to the fixed portion 70A is defined.

  A swinging member 81 that can swing up and down around a fulcrum shaft 80 extending in the width direction of the shutter curtain 1 is housed inside the fixed portion 70A. As shown in FIG. 11, when the movable part 70B is lifted with respect to the fixed part 70A, that is, the swinging member 81 is in contact with the obstacle 34 shown in FIG. When in contact, the extending portion 79A of the rising portion 79 of the movable portion 70B pushes up the protruding piece 81A of the swinging member 81, so that the swinging member 81 swings upward about the fulcrum shaft 80. Further, the fixed portion 70A and the movable portion 70B constituting the seat plate 1B have a length that extends to the left and right guide rails 6 shown in FIG. It has an extended length.

  The swing member 81 and the movable portion 70B are formed of an extrusion molded product or a pultruded molded product made of, for example, an aluminum alloy. When the lateral width of the entrance / exit 2 shown in FIG. 1 is large, it is difficult to form the swinging member 81 and the movable portion 70B with a single continuous extruded product or pultruded product. The swing member 81 and the movable portion 70B are formed by a plurality of extrusion molded products or pultruded molded products arranged in the length direction (width direction of the shutter curtain 1).

  As shown in FIG. 8, the mechanical coupling device 39 described with reference to FIG. 5 is incorporated in the fixing portion 70A of the seat plate 1B. That is, the mechanical coupling device 39 is disposed on the fixed portion 70A among the curtain main body 1A constituting the curtain main portion 71A described above of the shutter curtain 1 and the fixed portion 70A of the seat plate 1B. FIG. 10 is a cross-sectional view taken along line S10-S10 of FIG. As shown in FIG. 10, the upper surface portion and the front surface portion of the inner and outer members 75 and 76 forming the fixing portion 70A of the seat plate 1B are positioned corresponding to the arrangement position of the mechanical coupling device 39. , An opening 90 is formed by notching, and a mechanical coupling device 39 is inserted into the opening 90 from above and coupled to the fixing portion 70A.

  The protruding piece 81A of the swinging member 81 that is swingable in the vertical direction around the fulcrum shaft 80 has a position corresponding to the downward projecting portion 62B of the lower second lever member 62 shown in FIG. The pressing member 91 is attached. For this reason, during the closing movement of the shutter curtain 1, the movable portion 70B of the seat plate 1B comes into contact with the obstacle 34 that exists on the lower side in the closing movement direction, and as described with reference to FIG. When the extending part 79A of the movable part 70B swings the swinging member 81 upward about the fulcrum shaft 80, as shown in FIG. 12, the pressing member 91 presses the convex part 62B. The second lever member 62 swings upward about the fulcrum shaft 63. Accordingly, the friction member 68 attached to the second lever member 62 pushes up the portion 36A between the roller 58 and the roller 59 of the locking wire 36 upward.

  By this push-up, the upper first lever member 61 swings upward about the fulcrum shaft 63 via the friction member 67 attached to the first lever member 61, and this upward swing As a result, the torsion coil spring 64 is compressed, so that the portion 36A between the roller 58 and the roller 59 of the lock wire 36 is clamped with a large load from above and below by the friction members 67 and 68 of the two lever members 61 and 62. By this clamping, the portion 36A of the lock wire 36 is locked, and by this lock, the shutter curtain 1 and the lock wire 36 are mechanically coupled by the mechanical coupling device 39. Become.

  For this reason, in this embodiment, the 1st lever member 61 and the 2nd lever member 62 operate | move by the movement of the curtain subpart 71B with respect to the curtain main part 71A, and couple | bond the shutter curtain 1 and the wire 36 for a lock | rock mechanically. The actuating member is composed of two oscillating members for achieving the above state, the first lever member 61 is the first oscillating member, and the second lever member 62 is the second oscillating member. It is a member.

  As described above, when the shutter curtain 1 that is being closed is in contact with the obstacle 34, the friction member 67, 68 of the two lever members 61, 62 causes a large load on the portion 36A of the lock wire 36. In order to be clamped and locked, before the shutter curtain 1 comes into contact with the obstacle 34, in other words, when the movable portion 70B of the seat plate 1B reaches the lowest position with respect to the fixed portion 70A. In this case, it is important that the mechanical coupling device 39 is disposed at an appropriate vertical position with respect to the pressing member 91 of the swinging member 81. Arranging the mechanical coupling device 39 at an appropriate vertical position with respect to the pressing member 91 of the swinging member 81 means that the mechanical coupling device 39 is attached to the fixing portion 70A of the seat plate 1B. That is, the coupling device 39 is attached to an appropriate vertical position in the fixing portion 70A. The present embodiment is devised so that the mechanical coupling device 39 can be attached to an appropriate vertical position in the fixing portion 70A.

  Next, this device will be described. As shown in FIG. 5, projecting portions 55D are formed on both side surfaces of the case 55 of the mechanical coupling device 39, and the mechanical coupling device 39 is seated using these projecting portion 55D. It is attached to the fixing portion 70A of the plate 1B. Since the mounting structure using these protruding piece portions 55D is the same, the mounting structure for one protruding piece portion 55D will be described with reference to FIG.

  A base member (not shown) is coupled to the inner upper surface of the fixing portion 70A by a fastening tool such as a rivet, and holes formed in the above-described inner and outer members 75 and 76 forming the fixing portion 70A. A screw shaft member 95 is provided so as to pass through and protrude upward of the fixing portion 70A. After inserting one or a plurality of washers 96 into the screw shaft member 95, the screw shaft member 95 is inserted into the hole 55E of the projecting piece 55D. By changing the number of washers 96 inserted into the screw shaft member 95 or not inserting the washers 96 into the screw shaft member 95, the vertical arrangement position of the mechanical coupling device 39 in the fixing portion 70A is adjusted. Become. Thereby, the arrangement position of the mechanical coupling device 39 can be set to an appropriate vertical position with respect to the pressing member 91 of the swing member 81.

  In order to be able to confirm whether or not the mechanical coupling device 39 is arranged at an appropriate vertical position with respect to the pressing member 91 of the swing member 81 as shown in FIG. In addition, a window hole 55F is formed in the front portion 55C of the case 55 of the mechanical coupling device 39. From the window hole 55F, when the movable portion 70B of the seat plate 1B reaches the lowest position with respect to the fixed portion 70A, the friction member 68 of the lower second lever member 62 described above and the lock wire 36 The distance in the vertical direction between the portion 36A described above can be checked, and when the vertical distance becomes a value within a predetermined appropriate range, the nut 97 shown in FIG. The screw shaft member 95 is screwed and tightened. Thereby, the mechanical coupling device 39 is fixed to the fixing portion 70A of the seat plate 1B. Then, the window hole 55F is shielded with a shielding member such as a tape to prevent dust and the like from entering the inside of the case 55.

  As a result, the mechanical coupling device 39 is attached to an appropriate vertical position in the fixing portion 70A. As a result, when the shutter curtain 1 moving in a closed state comes into contact with the obstacle 34, the mechanical coupling device 39 is mechanically coupled. With the friction members 67 and 68 of the two lever members 61 and 62 provided in the device 39, the portion 36A of the lock wire 36 can be clamped and locked with a large load.

  As described above, the structure for setting the arrangement position of the mechanical coupling device 39 to an appropriate vertical position with respect to the pressing member 91 of the swinging member 81 is not limited to the above-described structure.

  As described above, the operation for attaching the mechanical coupling device 39 to the fixing portion 70A of the seat plate 1B is performed by using the shutter curtain 1 of the shutter device according to the present embodiment and the building where the shutter device according to the present embodiment is installed. This is performed after the guide rail 6 attached to the left and right building frames 3 shown in FIG. That is, the installation work of the shutter device itself excluding the above-described mechanical obstacle detection device 35 described with reference to FIG. The installation work of the mechanical obstacle detection device 35 includes the work of attaching the unit structure 45 to the lintel 16 and the work of attaching the mechanical coupling device 39 to the fixing portion 70A of the seat plate 1B. Of the work of attaching the unit structure 45 to the lintel 16 and the work of attaching the mechanical coupling device 39 to the fixing portion 70A of the seat plate 1B, either work may be performed first, and these work are performed simultaneously ( Including the case of being said to be substantially simultaneous).

  When performing the installation work of the mechanical obstacle detection device 35 in this way, the opening 90 and the like for arranging and attaching the mechanical coupling device 39 to the fixing portion 70A of the seat plate 1B are previously installed. It is preferable to form in a factory.

  In the present embodiment, as described above, the mechanical obstacle detection device 35 including the locking wire 36, the first processing device 37, the second processing device 38, and the mechanical coupling device 39 is unitized. Therefore, the installation work for the mechanical obstacle detection device 35 transported from the factory to the building where the shutter device according to the present embodiment is installed can be easily performed, and the first processing device 37 and Since the second processing device 38 is a unit structure 45 and only the first processing device 37 and the second processing device 38 are unitized, the first processing device 37 and the second processing device 38 are sprinkled. The attachment work to the length 16 can be easily performed.

  As described above, when the mechanical coupling device 39 is attached to the fixing portion 70A of the seat plate 1B, the first processing device 37 and the second processing device 38 of FIG. The locking wire 36 whose both ends are coupled to each other is bridged between the lintel 16 and the shutter curtain 1. Further, since the lock wire 36 is folded back by the mechanical coupling device 39, as shown in FIG. 1, the first portion 36B extending from the lintel 16 to the shutter curtain 1, and the shutter curtain 1 The second portion 36 </ b> C extends from the lintel 16 to the lintel 16. The portion 36 </ b> A shown in FIGS. 7 and 12 corresponding to the mechanical coupling device 39 of the locking wire 36 becomes a folded portion of the U-shaped locking wire 36.

  When the shutter curtain 1 is closed and moved by its own weight, the lock wire 36 is rotated from the reel 40 by rotating the reel 40 of the first processing device 37 by the weight of the shutter curtain 1, thereby The lengths of the first portion 36B and the second portion 36C are increased. Further, when the shutter curtain 1 is opened and moved upward by the rotation of the drive shaft 14 of the opening / closing device 13 described above, the locking wire 36 is slackened. Therefore, the return force of the return spring 41 described above is opposite to the above. The locking wire 36 is taken up by the reel 40 that rotates in the direction, whereby the length of each of the first portion 36B and the second portion 36C is shortened. For this reason, the locking wire 36 follows the opening / closing movement of the shutter curtain 1. The reel 40 to which one end of the locking wire 40 is connected is a winding device that winds up the locking wire 36 so as to be freely drawn out.

  In this embodiment, as can be seen from FIG. 1, the unit structure 45 including the mechanical coupling device 39 and the first processing device 37 and the second processing device 38 is disposed at the center position M in the width direction of the shutter curtain 1. The mechanical coupling device 39 and the unit structure 45 constituting the mechanical obstacle detection device 35 are not moved from the central position M to one side in the width direction of the shutter curtain 1. It is placed at a displaced position. This displaced position is a position on the side where the above-described opening / closing device 13 serving as a driving device for driving the shutter curtain 1 is disposed.

  Further, as shown in FIG. 1, the extending direction of the first portion 36B and the second portion 36C of the locking wire 36 is a vertical direction (substantially a vertical direction) along the curtain body 1A of the shutter curtain 1. The first portion 36B and the second portion 36C are parallel to each other (including what can be said to be substantially parallel to each other).

  As shown in FIGS. 2 and 5, the first portion 36 </ b> B and the second portion 36 </ b> C of the lock wire 36 are arranged at the inner position of the slit 17 for hanging the shutter curtain in the lintel 16. For this reason, the first portion 36 </ b> B and the second portion 36 </ b> C do not interfere with the lintel 16. In other words, in the first processing device 37 and the second processing device 38 arranged on the upper surface of the lintel 16, the position of the portion where the first portion 36 </ b> B and the second portion 36 </ b> C of the locking wire 36 hang down is the lintel 16. Is arranged on the lintel 16 so as to be positioned above the internal position of the slit 17 for hanging the shutter curtain.

  Further, as shown in FIG. 10, the arrangement position of the mechanical coupling device 39 in the fixing portion 70A of the seat plate 1B is not the central position in the thickness direction of the shutter curtain 1, but the thickness of the shutter curtain 1 from this central position. The position is displaced to one side in the vertical direction. For this reason, the lock wire 36 does not interfere with the curtain body 1A described above in the shutter curtain 1, as shown in FIG. 9, for both the first portion 36B and the second portion 36C. In other words, in the first processing device 37 and the second processing device 38 arranged on the upper surface of the lintel 16, the position of the portion where the first portion 36 </ b> B and the second portion 36 </ b> C of the locking wire 36 hang down is the lintel 16. Is arranged on the lintel 16 so as to be positioned above the internal position of the slit 17 for hanging the shutter curtain.

  A portion of the curtain main portion 71A excluding the fixing portion 70A where the mechanical coupling device 39 is disposed is a curtain main body 1A, and the curtain main body 1A is a large portion that occupies most of the area of the shutter curtain 1. For this reason, as described above, both the first portion 36B and the second portion 36C of the locking wire 36 are separated from the curtain main portion 71A excluding the fixing portion 70A where the mechanical coupling device 39 is disposed. Since it is arranged at a position away from the thickness direction and does not interfere with the curtain main part 71A, it is a bridge member that is bridged between the lintel 16 and the shutter curtain 1, and this embodiment The locking wire 36 that is a mechanical member in the embodiment does not hinder the opening / closing movement of the shutter curtain 1.

  Further, as described above, the movable portion 70B of the seat plate 1B forms the curtain sub-portion 71B. As shown in FIG. 9, the dimension in the thickness direction of the shutter curtain 1 with respect to the movable portion 70B. Is W1. The dimension in the thickness direction of the shutter curtain 1 for the fixing portion 70A of the seat plate 1B that constitutes a part of the curtain main portion 71A described above is W2, and this W2 is smaller than W1. The lock wire 36 is disposed within the range of W1 and within the range of W2. Since the movable portion 70B forms the curtain sub portion 71B, the lock wire 36 is disposed within the shutter curtain thickness direction dimension W1 of the curtain sub portion 71B, and W1. Is a dimension that defines the overall thickness dimension of the shutter curtain 1, so that the locking wire 36 is disposed within the entire thickness dimension of the shutter curtain 1.

  Therefore, the lock wire 36 is disposed along the curtain body 1A of the shutter curtain 1, and thereby the first portion 36B and the second portion 36C of the lock wire 36 are disposed at positions that do not interfere with the curtain body 1A. Moreover, it can suppress that the whole thickness dimension of the shutter curtain 1 containing this wire 36 for a lock | rock becomes large.

  Even when W1 is equal to W2 (including a case where there is some difference and it can be said that it is substantially equal), the entire thickness of the shutter curtain 1 including the lock wire 36 is also included. An increase in the size can be suppressed.

  In the present embodiment, as described in FIG. 5, the arrangement positions of the first processing device 37 and the second processing device 38 in the lintel 16 are adjusted in the thickness direction of the shutter curtain 1 by the long holes 47 and 50. Therefore, both the first portion 36B and the second portion 36C of the locking wire 36 are removed from the curtain main portion 71A excluding the fixing portion 70A where the mechanical coupling device 39 is disposed. It can arrange | position more reliably in the position away in the vertical direction. Also. By adjusting the arrangement positions of the first processing device 37 and the second processing device 38 in the lintel 16 separately for the first processing device 37 and the second processing device 38, the first portion 36B and the second portion 36C. Can also be performed for separating the curtain main portion 71A excluding the fixing portion 70A where the mechanical coupling device 39 is disposed in the thickness direction of the shutter curtain 1 by the same distance.

  FIG. 13 shows the internal structure of the second processing device 38. As described above, the second processing device 38 is provided with the rotating member 42 in which the end of the lock wire 36 is coupled via the coil spring 43. The turning direction of the turning member 42 is a vertical direction centering on a horizontal central axis 42A. A return spring 100 such as a mainspring spring is disposed behind the rotating member 42. The return force of the return spring 100 is such that the rotation member 42 is rotated in the direction C, that is, the rotation member 42 is rotated in the direction in which the second portion 36C of the lock wire 36 is pulled up. It acts on the moving member 42. The rotating member 42 is formed with an arc-shaped long hole 42B centered on the central axis 42A, and the stop member 101 attached to the machine frame 49 of the second processing device 38 is inserted into the long hole 42B. The rotation amount of the rotation member 42 is restricted to a certain amount by the stop member 101.

  Gear teeth 42C are formed on a part of the outer peripheral portion of the rotating member 42. For this reason, the rotating member 42 is a sector gear formed with a part of the gear teeth 42C. The gear teeth 42 </ b> C are provided on the side of the rotating member 42 in the thickness direction of the shutter curtain 1 (including those that can be said to be substantially in the thickness direction; the same applies hereinafter). In addition, two rotary dampers 102 are disposed in the second processing device 38, and these dampers 102 include a pinion gear 103 that meshes with the gear teeth 42 </ b> C of the rotating member 42. A plurality of blades disposed inside the damper 102 are attached to the rotation center shaft 104 of the pinion gear 103 via a one-way clutch. When 104 rotates in the E direction, each blade rotates in the viscous fluid filled in the damper 102 via the one-way clutch. For this reason, the rotation member 42 rotates in the C direction at a low speed by the resistance force of the viscous fluid. On the other hand, when the rotating member 42 rotates in the D direction opposite to the C direction and the pinion gear 103 and the central shaft 104 rotate in the F direction, the rotation in this direction is caused by the cutting action of the one-way clutch. Is not transmitted to the blade. For this reason, the rotation member 42 can rotate at high speed in the D direction.

  The number of dampers 102 may be one. However, by using a plurality of dampers 102 as in the present embodiment, the above-described resistance force that rotates the rotating member 42 in the C direction at a low speed can be increased, and thus the C of the rotating member 42 can be increased. The speed in the direction can be reduced to the desired speed.

  In addition, the rotation member 42 is a sector gear partially formed with gear teeth 42 </ b> C, so that the rotation member 42 is more than the case where the rotation member 42 is a gear formed with gear teeth all around. The overall vertical dimension of the can be reduced. Accordingly, the vertical dimension of the second processing apparatus 38, and hence the vertical dimension of the unit structure 45 configured by the first processing apparatus 37 and the second processing apparatus 38 can be reduced. As shown, the unit structure 45 can be effectively arranged in a space having a small vertical dimension between the lintel 16 and the shutter box 8 described above.

  Further, the rotating member 42 is a sector gear partially formed with gear teeth 42C, and the gear teeth 42C are provided on the rotating member 42 in the thickness direction side of the shutter curtain 1 as described above. Since the arrangement position of the rotation member 42 in the second processing device 38 can be set to a high position, the shutter curtain 1 is opened to the fully open position without the rotation member 42 interfering with the seat plate 1B. It can be moved.

  The gear teeth 42C are formed on the opposite side of the rotating member 42 from the shutter curtain 1 side, and a recess 42D in which the gear teeth 42C are not formed is formed on the same side of the rotating member 42 as the shutter curtain 1. Therefore, the rotating member 42 can be prevented from interfering with the seat plate 1B when the shutter curtain 1 is fully opened. Also, when the shutter curtain 1 is opened and closed, it can be rotated. It is possible to prevent the moving member 42 from interfering with the curtain body 1A.

  Further, in this embodiment, as shown in FIG. 13, the connecting portion N1 between the coil spring 43 and the second portion 36C of the locking wire 36 is connected to the connecting portion N2 between the rotating member 42 and the coil spring 43. With respect to the shutter curtain 1 side. For this reason, even if the shutter curtain 1 reaches the fully open position, the coil spring 43 can be prevented from coming into contact with the slats forming the curtain body 1A, and the coil spring 43 is connected to the rotating member 42 and the coil spring. Since it can suppress swinging to the shutter curtain 1 side centering on the connection part N2 with 43, it can also prevent that the coil spring 43 contacts the slat which forms the curtain main body 1A by this suppression.

  Further, as shown in FIG. 13, a micro switch 170 which is a contact type switch means is fixedly arranged on the upper part of the machine casing 49 of the second processing device 38. The microswitch 170 is provided with an actuating member (actuator) 171 that is biased in a direction protruding from the microswitch 170 by a spring. The microswitch 170 is a second process disposed in the lintel 16. The operating member 171 is fixedly disposed on the machine casing 49 of the device 38 so as to protrude downward. The lead wire 172 of the micro switch 170 is connected to the control device 27. On the other hand, a dog member 173 is attached to an outer peripheral surface 42D of a portion of the rotating member 42 where the gear teeth 42C are not formed.

  The operating member 171 of the micro switch 170 is in contact with the outer peripheral surface 42 </ b> D of the rotating member 42 as long as the shutter curtain 1 that is being closed is not in contact with an obstacle. On the other hand, the shutter curtain 1 in the closed movement comes into contact with the obstacle, and the operation member 171 comes into contact with the dog member 173 by the rotation of the rotation member 42 in the D direction by the operation of the mechanical coupling device 39. It has become.

  For this reason, in the present embodiment, the micro switch 170 is a tension detecting means for detecting, via the rotating member 42, that a tension is applied to the locking wire 36 by the operation of the mechanical coupling device 39. The locking wire 36 is a tension acting member. And in this embodiment, when the seat board 1B of the shutter curtain 1 contacts the obstacle 34 shown in FIG. 1 during the closing movement of the shutter curtain 1 by the mechanical obstacle detection device 35 and the micro switch 170. The electric obstacle detecting device is an electric obstacle detecting means for detecting the obstacle 34 electrically.

  As described above, the mechanical coupling device 39 has a longer shutter shutter 1 than the micro switch 170 until the shutter curtain 1 reaches the fully closed position from the state where the shutter curtain 1 reaches the fully open position (in other words, always). It is located on the closing movement direction side, that is, on the lower side.

  As shown in FIG. 2, the microswitch 170 is based on the central position in the thickness direction (front-rear direction) of the shutter curtain 1 fed out from the winding shaft 11, that is, on the winding shaft 11 side from this central position. Is disposed on the control device 27 side. That is, the micro switch 170 is disposed on the same side as the control device 27 with respect to the center position in the thickness direction of the shutter curtain 1. For this reason, maintenance work such as repair and replacement of the microswitch 170 and the control device 27 is facilitated.

  FIG. 14 is a front view showing the internal structure of the automatic closing device 32 shown in FIGS. 1 to 3, and FIG. 15 is a plan view showing the internal structure of the automatic closing device 32. In an emergency, the automatic closing device 32 automatically controls the shutter 13 shown in FIGS. 1 to 3 mechanically or electrically to automatically release the shutter curtain 1 that has reached the fully opened position. It is for closing and moving to make it fully closed, and to close the entrance / exit 2 of FIG. 1 by the shutter curtain 1 having smoke resistance and / or fire resistance. The automatic closing device 32 is attached to the opening / closing machine 13 by a bracket part 110A of FIG. 14 provided on the machine casing 110 of the automatic closing device 32. Further, as shown in FIG. 15, each of the first control wire 111, the second control wire 112, and the third control wire 113 for controlling the automatic closing device 32 up to the automatic closing device 32. The end of is extended. These control wires 111 to 113 are flexible string-like members, and are also elongated members, like the aforementioned locking wires 36.

  Further, these control wires 111 to 113 are slidably inserted into the flexible outer cables 114 to 116. For this reason, the control wires 111 to 113 are protected by the outer cables 114 to 116.

  As shown in FIG. 13, the first control wire 111 extends to the second processing device 38, and the end of the first control wire 111 is connected to the rotating member 42 of the second processing device 38. It is connected. As shown in FIG. 2, the first processing wire 111 and the outer cable 114 into which the first control wire 111 is inserted are part of the second processing device 38. The above-described unit structure 45 and the switch 13 are wired in the ceiling space 7 where they are arranged, and avoid the object 117 existing in the ceiling space 7, in other words, bypass the object 117. The first control wire 111 and the outer cable 114 are wired in a space where wiring is possible. Note that this space may exist in advance, and when the first control wire 111 and the outer cable 114 are wired, a part of the object 117 is cut out or a hole is provided in the object 117. Or formed.

  Thus, it is possible to wire the first control wire 111 and the outer cable 114 without interfering with the object 117 because the first control wire 111 and the outer cable 114 have flexibility. is there. The object 117 may be related to the building itself in which the shutter device of the present embodiment is installed, or may be related to a part of the shutter device of the present embodiment, for example, the shutter box 8 described above.

  As shown in FIG. 13, the first control wire 111 and the outer cable 114 are inclined with respect to the second processing device 38 in the vicinity of the second processing device 38. Thus, the first control wire 111 and the outer cable 114 do not interfere with the coupling member 26 that couples the lintel 16A of the lintel 16 illustrated in FIG. Yes.

  As shown in FIGS. 14 and 15, the machine casing 110 of the automatic closing device 32 is provided with two rising portions 110 </ b> B and 110 </ b> C facing each other, and formed on these rising portions 110 </ b> B and 110 </ b> C. A plate-like slide member 120 having a length straddling the two rising portions 110B and 110C is slidably inserted into the holes 110D and 110E. A spring 121 is wound around the outer periphery of the slide member 120. Due to the spring force of the spring 121, a forward force toward the rising portion 110B is constantly acting on the slide member 120. The direction of the forward force is a direction in which the first portion 31A of the lever member 31 provided in the opening / closing machine 13 described in FIG.

  As shown in FIGS. 3 and 14, an operating member 122 is attached to a bent portion 120 </ b> A that is bent downward at the front end of the slide member 120, and the first portion of the lever member 31 is also provided. An actuated member 123 is erected and coupled to 31A. When the slide member 120 moves forward by the spring force of the spring 121, the load in the direction A shown in FIG. 3 is applied to the first portion 31A of the lever member 31 by the operating member 122 coming into contact with the operated member 123. It comes to work. As shown in FIG. 14, in this embodiment, the actuating member 122 is a head portion 124 </ b> A of a bolt 124. By moving forward and backward with respect to 120A, the distance between the actuating member 122 and the actuated member 123 can be adjusted to an appropriate dimension. After this adjustment, the lock nut 125 screwed into the bolt 124 is rotated, and the lock nut 125 is pressed against the bent portion 120A, whereby the position of the operating member 122 relative to the operated member 123 is adjusted. It can be fixed in an appropriate position.

  As shown in FIG. 15, a solenoid 126 is attached to the machine casing 110 of the automatic closing device 32. It always works in the protruding direction. One end of an L-shaped bent lever member 129 that is rotatable about a central axis 129A is connected to the tip of the plunger 127 by a slide-type connecting portion 129B. A roller 130 is rotatably provided at the other end of the bent lever member 129.

  A concave portion 120 </ b> B is formed in the portion of the slide member 120 that faces the roller 130. A portion of the recess 120B on the backward side of the slide member 120 is an inclined surface 120C. In the automatic closing device 32, the spring 131 for applying a turning force in the G direction about the central axis 129A to the bending lever member 129 and the direction in which the plunger 127 protrudes from the solenoid 126 together with the spring 128 described above. And a spring 132 for rotating the bending lever member 129 in the G direction about the central axis 129A. The roller 130, 131, 132 is provided with a spring force so that the roller 130 in a normal state is provided. As shown in FIG. 15, the slide member 120 is engaged with the recess 120 </ b> B, and the above-described advancement of the slide member 120 by the spring 121 is stopped. Thus, the position of the front end of the slide member 120 when the forward movement is stopped by the roller 130 fitted in the recess 120B is the H position among the three positions H, I, and J shown in FIG.

  As shown in FIG. 15, a micro switch 135 is arranged in the automatic closing device 32, and an operating member (actuator) that is biased in a direction protruding from the micro switch 135 by a spring. 136 is provided. In addition, a dog member 137 is attached to the slide member 120 at a portion opposite to the concave portion 120 </ b> B, and the operating member 136 is in contact with the dog member 137.

  A connecting member 138 provided with a first connecting portion 138A and a second connecting portion 138B is connected to the slide member 120, and a connecting member 140 is connected to the tip of the plunger 127 of the solenoid 126, as described above. One end of the spring 132 is connected to the connecting member 140. The other end of the first control wire 111 is connected to the rotating member 42 of the second processing device 38 shown in FIG. The end portion of the second control wire 112 is connected to the connecting portion 138 </ b> A, and the end portion of the third control wire 113 is connected to the connecting member 140 of the slide member 120. It is connected to the second connecting part 138B.

  The second control wire 112 inserted into the outer cable 115 extends to the manual closing device 184 disposed adjacent to the operating device 30 shown in FIG. 1 and protrudes from the outer cable 115. A manual operation member 185 such as a lever member of the manual closing device 184 is connected to the end of the second control wire 112 (see FIG. 4). By operating the manual operation member 185, the second control wire 112 can be pulled.

  Further, the third control wire 113 inserted into the outer cable 116 extends from the above-described ceiling space 7 in which the automatic closing device 32 is disposed and is disposed adjacent to the operation device 30. 186 (see FIGS. 1 and 4). As will be described later, the manual return device 186 is for returning the automatic closing device 32 to an initial state before a disaster such as a fire occurs. The manual return device 186 is connected to the end of the third control wire 113 on the side of the automatic closing device 32 that is not connected to a slide member 120 described later. A winding shaft 189 from which 113 is wound and fed, and an electric motor means 188 which is a driving device for generating a driving force for rotating the winding shaft 189 to wind the third control wire 113, and And a power transmission means (not shown) for transmitting the driving force generated by the electric motor means 188 to the take-up shaft 189 (see FIG. 4). The electric motor means 188 is activated by pressing a “return” button 187 (see FIG. 4) arranged adjacent to the operation buttons 30A, 30B, 30C of the operation device 30.

  In addition, as shown in FIG. 1, there is another third control wire 113, and this third control wire 113 is from the above-described ceiling space 7 in which the automatic closing device 32 is disposed, It extends to a position where it can be manually operated in the building. In this embodiment, as shown in FIG. 1, this position is an upper position of the entrance / exit 2 that has passed through the slit 17 of the lintel 16 from the ceiling space 7 and protrudes from the outer cable 116. A manual operation member 141 capable of manually pulling the third control wire 113 is coupled to the end of the third control wire 113, and this manual operation member 141 is a ring member in this embodiment. ing. For this reason, the manual return device 191 for manually returning the automatic closing device 32 to the initial state is configured by the third control wire 113 and the manual operation member 141 (see FIG. 4).

  In a building where the shutter device according to the present embodiment is installed, when a disaster such as a fire occurs when the shutter curtain 1 is fully open, smoke is a sensor that senses smoke (heat) generated by this disaster A disaster prevention signal is input from the (heat) sensor 180 (see FIG. 1) to the disaster prevention interlock control device 181 constituting the control means 33. The disaster prevention interlock control device 181 connected to the automatic closing device 32 energizes the solenoid 126 of the automatic closing device 32. As a result, the solenoid 126 is excited, and the plunger 127 of the solenoid 126 moves backward against the spring force of the spring 128. As a result, the bending lever member 129 rotates against the spring force of the springs 131 and 132 about the central axis 129A in the direction opposite to the G direction in FIG. The state at this time is shown in FIG. When the bending lever member 129 rotates about the central axis 129 </ b> A in the direction opposite to the G direction, the roller 130 of the bending lever member 129 escapes from the recess 120 </ b> B of the sliding member 120. The forward movement is stopped when the front end of the connecting member 138 comes into contact with the above-described rising portion 110B of the machine casing 110 of the automatic closing device 32. The position of the front end of the slide member 120 at this time is the I position which is the foremost position among the three positions H, I, and J shown in FIG. 15, as shown in FIG.

  Further, when the slide member 120 moves forward, the operation member 136 of the micro switch 135 is disengaged from the position of the dog member 137 attached to the slide member 120, so that the operation member 136 protrudes and moves by the biasing force of the spring. In response to a signal from the switch 135, the disaster prevention interlock control device 181 stops energization of the solenoid 126.

  When the energization of the solenoid 126 is stopped, the plunger 127 protrudes from the solenoid 126 by the spring force of the spring 128, and the bending lever member 129 is centered on the central axis 129A by the spring force of the springs 131 and 132 in the G direction of FIG. To turn. Since the slide member 120 at this time has advanced to the movement limit where the front end of the slide member 120 reaches the I position, the roller 130 of the bending lever member 129 slides as shown in FIG. It hits the aforementioned inclined surface 120C of the member 120. For this reason, the protruding movement of the plunger 127 and the rotation of the bending lever member 129 about the central axis 129A in the G direction stop halfway.

  When the slide member 120 of the automatic closing device 32 advances as described above, the operating member 122 provided at the front end of the slide member 120 is connected to the opening / closing machine 13 via the operated member 123 shown in FIG. In order to press the first portion 31A of the lever member 31 in the direction A in FIG. 3, as described above, the first portion 31A swings in the A direction using the second bent portion 31D of the lever member 31 as a fulcrum. As a result, the brake shaft 21 and the brake drum 22 of the brake means 19 of the opening / closing machine 13 slide in the A ′ direction, which is the same direction as the A direction, so that the brake means 19 that has been turned on until then is turned off. Become. For this reason, the shutter curtain 1 that is fully open is closed and moved downward while rotating the winding shaft 11 by the weight of the seat plate 1B and the like below the winding shaft 11. The above-described drive shaft 14 of the opening / closing machine 13 also freely rotates via the drive force transmission means 12 and the shutter curtain 1 is fully closed, whereby a disaster prevention zone is formed by the shutter curtain 1.

  Further, when a human discovers (senses) that a disaster such as a fire has occurred, this human is provided in the manual closing device 184 disposed adjacent to the operating device 30 shown in FIG. The second control wire 112 is pulled by a manual operation member 185 (see FIG. 4) such as a lever member connected to the end of the second control wire 112. As a result, the plunger 127 of the solenoid 126 moves backward, so that even before the solenoid 126 is energized and excited, the bending lever member 129 is centered on the central axis 129A even when the solenoid 126 is energized and excited. 15, the roller 130 of the bending lever member 129 escapes from the recess 120B of the slide member 120, and the slide member 120 moves forward by the spring force of the spring 121.

  Therefore, according to the present embodiment, even in the manual operation using the second control wire 112, the brake means 19 of the switch 13 is turned off, and the shutter curtain 1 that has been fully opened is closed and moved to be fully closed. be able to.

  In the present embodiment, as shown in FIG. 1, the manual closing device 184 is located near the switch 13 and the automatic closing device 32 in the building housing 3 such as the left and right walls. Therefore, the length of the second control wire 112 spanned between the automatic closing device 32 and the manual closing device 184 can be shortened. For this reason, the automatic closing device 32 has a higher pulling force when the second control wire 112 is pulled by the manual operation member 185 such as the lever member described above than when the manual closing device 184 is disposed in the other building housing 3. Thus, the closing movement of the shutter curtain 1 can be started quickly.

  As described above, in the present embodiment, the manual closing device 184 for manually closing and moving the shutter curtain 1 that has been fully opened to fully close the shutter curtain 1 is provided, and the manual closing device 184 includes the second control. A wire 126, a solenoid 126 connected to one end of the second control wire 112, and a manual operation member 185 such as a lever member connected to the other end of the second control wire 112. It is structured.

  When the shutter curtain 1 reaches the fully closed position and a disaster such as a fire is resolved, the “return” button 187 (see FIG. 4) of the manual return device 186 disposed adjacent to the operation device 30 is operated. As a result, the electric motor means 188 (see FIG. 4) is driven, so that the end of the third control wire 113 is wound around the winding shaft 189 (see FIG. 4) and pulled toward the manual return device 186. . Thus, since the third control wire 113 is connected to the slide member 120 of the automatic closing device 32, the slide member 120 is retracted against the spring force of the spring 121. For this reason, the slide member 120 returns from the position shown in FIG. 17 to the initial position where the front end becomes the H position in FIG. Further, when the slide member 120 returns to this initial position, the bending lever member 129 rotates about the central axis 129A in the G direction of FIG. As shown in FIG. 15, the roller 130 is fitted into the recess 120 </ b> B of the slide member 120, and the slide member 120 stops in a state where the front end of the slide member 120 reaches the H position. Thereby, the automatic closing device 32 returns to the initial state before the occurrence of a disaster such as a fire.

  In this embodiment, returning the automatic closing device 32 to the initial state before the occurrence of a disaster such as a fire is performed manually by the manual return device 191 to which the end of the third control wire 113 is connected. The operation member 141 can be pulled by operating (see FIG. 4).

  When the slide member 120 returns to the initial position, the brake shaft 21 and the brake drum 22 of the brake means 19 of the opening / closing machine 13 are moved in the direction opposite to the A ′ direction by the spring 23 described above with reference to FIG. 19 returns to ON. Thereby, on / off of the brake means 19 will be in the state entrusted to the electrical control by the control apparatus 27 connected to the switch 13. FIG. Thereafter, by operating the “open” button 30A provided on the operating device 30, the shutter curtain 1 is moved to the fully open position by the driving force of the opening / closing device 13 as described above.

  In the case where a coupling tool 36E for forming a loop portion 36D for connecting the upper end to the coil spring 43 is provided at the upper end of the second portion 36C of the locking wire 36 shown in FIG. It is preferable that the horizontal cross-section of the coupler 36E is elongated in the thickness direction of the shutter curtain 1 by crushing the coupler 36E. According to this, the hole 57 through which the second portion 36C enters and exits is orthogonal to the elongated direction of the coupler 36E, which is formed in the upper surface portion 55B of the case 55 for housing the mechanical coupler 39 shown in FIG. Since the long hole is long in the width direction of the shutter curtain 1, the lower surface of the coupler 36E becomes the outer portion of the long hole 57 when the shutter curtain 1 opens and moves to the fully open position as described above. By abutting against the upper surface portion 55B of the case 55, it is possible to prevent the lower surface of the coupler 36E from entering the inside of the long hole 57 and the shutter curtain 1 to open and move more than a predetermined amount.

  Further, as described above, the solenoid of the automatic closing device 32 is received by the disaster prevention interlock control device 181 to which the disaster prevention signal is input from the smoke (heat) detector 180 that detects smoke (heat) generated by a disaster such as a fire. 126 is energized and excited, or the second control wire 112 is pulled by the operation of the manual operation member 185 of the manual closing device 184 connected to the end of the second control wire 112, thereby opening and closing When the brake means 19 of the machine 13 is turned off and the shutter curtain 1 is closed and moved downward from the fully opened position, in other words, when the automatic closing device 32 is in the state shown in FIG. When the obstacle 34 shown in FIG. 1 is present below the shutter curtain 1 in the closing movement direction, the shutter curtain 1 is in the middle of closing movement. In other words, the curtain sub-portion 71B disposed at the front end portion on the closing side of the shutter curtain 1, in other words, the movable portion 70B forming the lower portion of the seat plate 1B of the shutter curtain 1 is the obstacle 34. And the lowering of the movable portion 70B stops.

  Even if the lowering of the movable part 70B is stopped, the curtain main part 71A composed of the curtain main body 1A and the fixed part 70A of the seat plate 1B is lowered. Due to the relative rise of the curtain sub-portion 71B with respect to the portion 71A, the first lever member 61 and the second lever member 62 of the mechanical coupling device 39 described above are in friction members 67 and 68 as described with reference to FIG. The above-described folded portion 36A of the locking wire 36 is clamped, and the locking wire 36 is locked by this clamping. As a result, the shutter curtain 1 and the locking wire 36 are mechanically coupled by the mechanical coupling device 39.

  Until then, the locking wire 36 is fed from the reel 40 of the first processing device 37 following the closing movement of the shutter curtain 1, and the folded portion 36 </ b> A of the locking wire 36 is formed by the friction members 67 and 68. When the locking wire 36 is clamped and locked, the first portion 36B and the second portion 36C of the locking wire 36 that are folded back by the folded portion 36A based on the dent deformation of the obstacle 34 Since the weight of the portion of the shutter curtain 1 above the curtain sub-portion 71B, that is, the weight of the curtain main portion 71A acts on the lock wire 36, particularly, the second portion 36C has a large tension. Works.

  Then, as shown in FIG. 12, the folded portion 36A of the lock wire 36 is sandwiched between friction members 67 and 68 having a large frictional force provided on the first lever member 61 and the second lever member 62. Because the friction members 67 and 68 are locked, the locking wire 36 can be prevented from sliding relative to the first lever member 61 and the second lever member 62. Further, in the present embodiment, the above-described shaft 63 serving as the pivot center axis of the first lever member 61 and the second lever member 62 is shared by the first lever member 61 and the second lever member 62. Therefore, the structure of the mechanical coupling device 39 can be simplified by reducing the number of members, and the positional relationship between the friction members 67 and 68 can be set appropriately. For this reason, the folded portion 36A of the lock wire 36 is provided. Can be clamped and locked more reliably by the friction members 67 and 68.

  Further, the contact of the shutter curtain 1 with the obstacle 34 is not performed below the position where the mechanical coupling device 39 is disposed, and the shutter curtain 1 is viewed from below the position where the mechanical coupling device 39 is disposed. Therefore, when the portion of the shutter curtain 1 where the mechanical coupling device 39 is arranged is about to move slightly in the closing direction of the shutter curtain 1, the first processing device 37 is used. The locking wire 36 fed out from the reel 40 tries to move so that the portion clamped by the friction members 67 and 68 moves from the first portion 36B side to the second portion 36C side. Since the distance between the friction members 67 and 68 is gradually reduced in the direction opposite to the moving direction, the locking wire 36 is connected to the first lever member 61 and the second lever member 62. Can be more effectively prevented from sliding move.

  Further, in the present embodiment, when the folded portion 36A of the locking wire 36 is sandwiched and locked by the friction members 67 and 68, as shown in FIG. One guide member 60A of the guide members 60 and the second lever member 62 form a bypass portion 36F that is not linear. For this reason, even if the obstacle 34 is a hard object that does not dent deform or hardly dent deforms, the second portion 36C of the locking wire 36 is pulled by forming the detour portion 36F in the locking wire 36. As a result, a large tension can be applied to the second portion 36C.

  As described above, the sliding movement of the locking wire 36 relative to the first lever member 61 and the second lever member 62 is prevented by the friction members 67 and 68, and the second portion 36 </ b> C of the locking wire 36 is prevented. When a large tension force is applied, the rotating member 42 of the second processing device 38 shown in FIG. 13 is rotated in the direction D in FIG. The amount of movement is in accordance with the length of the arc-shaped long hole 42B in which the aforementioned stop member 101 is inserted. The rotation at this time rotates the pinion gear 103 of the rotary damper 102 in the F direction. However, the rotation of the pinion gear 103 in the F direction does not generate a resistance force due to the viscous fluid in the damper 102 as described above. For this reason, the rotating member 42 is rotated in the direction D at a high speed by the tension force acting on the second portion 36C, and the first control wire having one end connected to the rotating member 42. 111 will be pulled.

  From the above, the locking wire 36 is a tension force acting member to which a tension force based on the abutment acts when the shutter curtain 1 abuts against the obstacle 34 during the closing movement.

  The second portion 36C of the lock wire 36 is not directly connected to the rotating member 42, and an impact load buffering elastic member is provided between the second portion 36C and the rotating member 42. Since the above-described coil spring 43 is interposed, even if the above-described large tension force instantaneously acts on the second portion 36C, this tension force does not directly act on the rotating member 42, and the tension force Can be relaxed and act on the rotating member 42.

  Even when the amount of rotation of the rotating member 42 in the D direction reaches a limit value defined by the stop member 101 inserted in the arc-shaped elongated hole 42B, the shock load buffering action by the coil spring 43 also causes Further, it is possible to prevent a large impact load from propagating between the second portion 36 </ b> C of the locking wire 36 and the rotating member 42.

  When the first control wire 111 is pulled as described above, the other end of the first control wire 111 is connected to the slide member 120 shown in FIG. Retreat against the spring 121. The amount by which the first control wire 111 is pulled and the amount by which the slide member 120 retracts is the amount defined by the length of the long hole 42B of the rotating member 42 shown in FIG. The slide member 120 that has reached the I position shown in FIG. 17 does not move back to the retreat limit where the position of the front end of the slide member 120 becomes the H position in FIG. 15, and the position where the front end position becomes the J position, Stop at an intermediate position between the H and I positions. The state at this time is shown in FIG. At this time, the position of the slide member 120 with which the roller 130 of the bending lever member 129 is in contact has moved in the length direction of the slide member 120, which is the slide direction of the slide member 120, as compared with FIG. 17. The roller 130 is still in contact with the inclined surface 120C described above.

  Further, since the position of the front end of the slide member 120 at this time is retreated from the I position to the J position, the first member 31A of the lever member 31 of FIGS. 3 and 14 is moved by the operating member 122 of the slide member 120. The load that has been pressed in the direction A in FIG. 3 is released. For this reason, the brake means 19 of the switch 13 is switched from off to on. When the brake means 19 is turned on, the drive shaft 14 of the opening / closing machine 13 cannot rotate, so that the winding shaft 11 to which the upper end of the shutter curtain 1 is coupled cannot also rotate.

  Therefore, the shutter curtain 1 in contact with the obstacle 34 is closed and stopped at the contact position. This stop can be achieved by the mechanical coupling device 39 provided with the first lever member 61 and the second lever member 62 for locking the locking wire 36 with the friction members 67 and 68, or the second processing which is also mechanical. It is performed by a mechanical structure constituted by the device 38, the slide member 120 as a member of the automatic closing device 32 that slides mechanically, the brake means 19 of the switch 13 that is mechanically turned on, and the like.

  As described above, the shutter device according to the present embodiment includes a mechanical opening / closing mechanism that includes the lock wire 36, the first processing device 37, the second processing device 38, and the mechanical coupling device 39. A mechanical shutter curtain stopping device, which is a body stopping device, is provided.

  For this reason, after the shutter curtain 1 is closed and started moving, the building in which the shutter device according to the present embodiment is installed is blacked out due to the occurrence of a disaster such as a fire or other reasons. In addition, the shutter curtain 1 in contact with the obstacle 34 during the closing movement can be stopped.

  In the present embodiment, as described with reference to FIG. 1, the mechanical coupling device 39 and the unit structure 45 constituting the mechanical obstacle detection device 35 described above are arranged at the center position in the width direction of the shutter curtain 1. It is not arrange | positioned at M, but is arrange | positioned from this center position M to the position which is displaced to the one side in which the switch 13 and the automatic closing device 32 are arrange | positioned among the width directions of the shutter curtain 1. FIG. . For this reason, the length of the first control wire 111 wired between the second processing device 38 and the automatic closing device 32 can be shortened. Therefore, when the shutter curtain 1 in the closing movement comes into contact with the obstacle 34, the aforementioned tension force acting on the first control wire 111 can be instantaneously input to the automatic closing device 32. The brake means 19 of the machine 13 can be quickly turned on.

  Note that, for example, there is not enough space for the first control wire 111 to be wired at the location because there is a large object between the unit structure 45 and the automatic closing device 32. For this reason, the unit structure When it is impossible or difficult to wire the first control wire 111 having a reduced length between the second processing device 38 of the object 45 and the automatic closing device 32, the unit structure in the lintel 16 The position where the object 45 is arranged is changed from the above position, whereby the first control wire 111 and the first control wire 111 can be routed between the second processing device 38 and the automatic closing device 32. You may make it wire by passing. As a result, the position of the unit structure 45 in the lintel 16 is changed from the central position M in the width direction of the shutter curtain 1 to the width direction of the shutter curtain 1 in which the switch 13 and the automatic closing device 32 are disposed. The position of the mechanical obstacle detecting device 35, which is configured by the unit structure 45 and the like, is shifted to a position opposite to the one side, and the center position M in the width direction of the shutter curtain 1 is set. On the other hand, a position opposite to the position shown in FIG. 1, in other words, a position further away from the central position M from the switch 13 and the automatic closing device 32 may be used.

  If the obstacle 34 is removed after the shutter curtain 1 being closed and moving contacts the obstacle 34 as described above and the brake means 19 of the switch 13 is turned on, the curtain sub-part of the shutter curtain 1 is removed. Since 71B descends, the locking wire 36 is not clamped or locked by the friction members 67 and 68 of the first lever member 61 and the second lever member 62 of the mechanical coupling device 39, and the shutter by the mechanical coupling device 39 is released. The mechanical coupling state between the curtain 1 and the lock wire 36 is also released. As a result, the tension force of the locking wire 36 disappears, and therefore the rotating member 42 of the second processing device 38 on which the return force by the return spring 100 of FIG. 13 is acting rotates in the direction C of FIG. Due to this rotation, the slide member 120 of the automatic closing device 32 that has been pulled in the backward direction by the first control wire 111 is moved from the J position shown in FIG. 18 to the I position shown in FIG. The moving forward is performed by the spring 121. For this reason, the brake means 19 of the opening / closing machine 13 is switched again from on to off, and the shutter curtain 1 resumes its closed movement.

  Further, when the rotating member 42 of the second processing device 38 rotates in the direction C in FIG. 13, the pinion gear 103 of the rotary damper 102 rotates in the E direction. Resistance is generated. For this reason, the position of the front end of the slide member 120 shifts from the J position shown in FIG. 18 to the I position shown in FIG. 17, and the brake means 19 of the opening / closing machine 13 is switched from ON to OFF by this shift. Due to the delay action of the damper 102, it is not performed instantaneously. Therefore, when the shutter curtain 1 is closed and restarted by the removal of the obstacle 34, the movement of the obstacle 34 is started with a time delay from the removal of the obstacle 34. It can be carried out.

  As can be seen from this description, the second processing device 38 in the present embodiment including the damper 102 is a delay device for causing the above-described delay.

  In order to prevent the viscous fluid from dropping from the unit structure 45 shown in FIG. 5 even if the viscous fluid leaks from the damper 102 of the delay device, for example, the base member of the unit structure 45 is used. By providing a rising wall around 44, the base member 44 may be dish-shaped.

  Further, this delay device may employ, for example, mechanical means including a mainspring type timer instead of the damper 102. According to this mechanical means, unlike the viscous fluid damper 102, the delay time can be set more accurately without being affected by the environmental temperature.

  Then, after the shutter curtain 1 is fully closed, the winding shaft of the manual return device 186 is operated by operating the “return” button 187 of the manual return device 186 that is disposed adjacent to the operation device 30. Since 189 rotates in a direction to wind up the third control wire 113, the third control wire 113 is pulled. As a result, the slide member 120 of the automatic closing device 32 performs a return movement in which the position of the front end returns to the H position in FIG. 15, so that the entire automatic closing device 32 returns to the initial state in FIG. 15. Further, the automatic closing device 32 can be returned to the initial state by pulling the third control wire 113 with the manual operation member 141 of the manual return device 191 shown in FIG. 1 as described above.

  In this embodiment, when a disaster prevention signal is input from the smoke (heat) detector 180 to the disaster prevention interlock control device 181 due to the occurrence of a disaster such as a fire, the control signal from the disaster prevention interlock control device 181 is used. The switch drive control invalidating means 29, which is a drive device drive control invalidating means for invalidating the drive control of the switch 13 by the control device 27, operates (see FIG. 4). Thereby, the electric operation of the shutter device by operating the “open” button 30A, the “close” button 30B, and the “stop” button 30C of the operation device 30 becomes invalid. The switch drive control invalidating means 29 specifically disables the operation of the switch drive control circuit 28 that controls the drive of the switch 13 provided in the control device 27, and is linked to the disaster prevention. It is constituted by a switch means such as a micro switch that opens the switch drive control circuit 28 according to a control signal from the control device 181.

  Moreover, in this embodiment, the return operation of the automatic closing device 32 by the manual return device 186 arranged adjacent to the operation device 30 shown in FIG. 1 by the control signal from the disaster prevention interlock control device 181 to which the disaster prevention signal is input. The automatic closing device return operation invalidating means 190 for invalidating the function is activated (see FIG. 4). As a result, the return operation of the automatic closing device 32 by operating the “return” button 187 of the manual return device 186 becomes invalid. The automatic closing device return operation invalidating means 190 provided in the manual return device 186 drives the electric motor means 188 that is a drive device that generates a driving force for rotating the winding shaft 189 that winds the third control wire 113. Although not shown, it is not shown in the figure, but by a switch means such as a microswitch that opens a motor drive control circuit that controls the drive of the electric motor means 188 by a control signal from the disaster prevention interlock control device 181. Composed.

  In the present embodiment, the operation of the switch drive control invalidating means 29 and the automatic closing device return operation invalidating means 190 is also performed by operating a manual closing device 184 by a person who detects (senses) the occurrence of a fire. . The operation of the opening / closing device drive control invalidating means 29 and the automatic closing device return operation invalidating means 190 by the operation of the manual closing device 184 is performed by pulling the second control wire 112, This is done by operating a switch means such as a micro switch that mechanically opens the motor drive control circuit.

  For this reason, in the present embodiment, when the automatic closing device 32 is activated by inputting the disaster prevention signal from the smoke (heat) sensor 180 to the disaster prevention interlock control device 181, the shutter curtain 1 is under its own weight lowering or fire When the shutter curtain 1 is lowered due to the operation of the manual closing device 184 by a human who has detected (sensed) the occurrence of the occurrence of the occurrence of the above, the human performs the electric operation of the shutter curtain 1 or the human performs the returning operation of the automatic closing device 32. To be prevented. Thereby, for example, the following effects can be obtained.

  In an emergency, the mechanical coupling device 39 is actuated by the shutter curtain 1 coming into contact with the obstacle 34 while the weight of the shutter curtain 1 is falling, and then the obstacle 34 is removed. When the state in which the pinching / locking of the portion 36A of the wire 36 is not released for some reason occurs and the shutter curtain 1 can be electrically operated, the following events may occur.

  That is, when a person passes and the shutter curtain 1 is electrically closed and moved, the second portion 36C (see FIG. 5) of the locking wire 36 is pulled, so that the second portion 36C is cut. In addition, there is a risk that damage to the constituent members of the second processing apparatus 38 occurs. However, in this embodiment, since the human cannot perform the electric operation of the shutter curtain 1 while the shutter curtain 1 is lowered by its own weight, the second portion 36C of the lock wire 36 as described above, Occurrence of damage to the constituent members of the processing device 38 can be prevented.

  In the present embodiment, when the shutter curtain 1 that is being closed by electric contact comes into contact with the obstacle 34, the control device 27 does not perform the control for reversing and raising the shutter curtain 1 and moves the shutter curtain 1 to the obstacle. It is also possible to perform control to stop at a position in contact with 34, and when the obstacle 34 is removed, control to close and move the shutter curtain 1 again by electric power may be performed.

  Further, when the shutter curtain 1 is capable of performing the return operation of the automatic closing device 32 (operation of the “return” button 187 of the manual return device 186) by the human being while the weight of the shutter curtain 1 is falling, a human error is caused. When the “return” button 187 of the manual return device 186 is operated, the brake means 19 of the switch 13 that has been turned off is turned back on in the middle by this button operation, and the shutter curtain 1 that is descending its own weight. Will stop on the way. If the person does not know the operation of the manual closing device 184, the shutter curtain 1 may remain in a half-closed (half-open) state on the way. However, in the present embodiment, since the operation of the “return” button 187 of the manual return device 186 is invalidated while the shutter curtain 1 is dropping its own weight, the shutter curtain 1 that is dropping its own weight is forcibly stopped halfway. Is prevented.

  As described above, in the present embodiment, during the weight reduction of the shutter curtain 1 due to the operation of the automatic closing device 32 upon receipt of the disaster prevention signal, or due to the human operating the manual closing device 184, the weight reduction of the shutter curtain 1 is performed. In the middle, it is possible to prevent a human from performing an electric operation of the shutter curtain 1 and a human from performing a return operation of the automatic closing device 32. For this reason, according to the present embodiment, even if a power failure occurs during the weight drop of the shutter curtain 1 in an emergency, the detection of the obstacle 34 and the control for avoiding contact with the obstacle 34 are mechanical. Done in That is, according to the present embodiment, even when a power failure occurs during the weight drop of the shutter curtain 1 in an emergency, the stop of the weight drop of the shutter curtain 1 in contact with the obstacle 34 is more reliably performed.

  Note that when the shutter curtain 1 under its own weight descends to the fully closed position in an emergency, the control device 27 causes the switch drive control circuit 28 to respond to a control signal (fully closed signal) from the fully closed limit switch 182. The operation of the opening / closing device drive control invalidating means 29 that has invalidated the drive control of the opening / closing device 13 is stopped. At the same time, the control device 27 outputs a fully closed signal to the disaster prevention interlock control device 181, and the disaster prevention interlock control device 181 invalidates the return operation of the automatic closing device 32 by the manual return device 186. Further, the operation of the automatic closing device return operation invalidating means 190 is stopped.

  In order to close and move the shutter curtain 1 that is fully open in the normal state, the shutter curtain 1 is closed and moved electrically by operating the “close” button 30B of the operating device 30 shown in FIG. On the other hand, in order to open and move the shutter curtain 1 that is fully closed, the shutter curtain 1 is opened and moved electrically by operating the “open” button 30 </ b> A of the operation device 30. Thus, when the shutter device according to the present embodiment operates as a management (opening) shutter device for opening and closing the entrance 2, the closing movement of the shutter curtain 1 is “closed” of the operation device 30. The operation is performed by operating the button 30B, and is not performed by the operation of the automatic closing device 32 or the operation of the manual closing device 184 described above. For this reason, in the normal state, the state of the automatic closing device 32 when the shutter curtain 1 starts the closing movement is the state shown in FIGS. 14 and 15.

  When the shutter curtain 1 that is being closed is in contact with the obstacle 34, the first lever member 61 and the second lever member 62 of the mechanical coupling device 39 are the friction members 67, as in the case of the emergency described above. , 68, the portion 36A of the locking wire 36 is clamped and locked, so that a downward tension force acts on the second portion 36C of the locking wire 36.

  Thereby, the closing movement of the shutter curtain 1 is stopped by the tension force acting on the second portion 36 </ b> C of the locking wire 36. Accordingly, the rotation member 42 of the second processing device 38 to which the end portion of the second portion 36C of the lock wire 36 is coupled via the coil spring 43 rotates in the direction D shown in FIG. It will be. As described above, the other end portion of the first control wire 111 whose one end portion is connected to the rotating member 42 is connected to the first connecting portion 138 </ b> A of the connecting member 138 of the slide member 120. Therefore (see FIG. 15), the first control wire 111 is pulled by the rotation member 42 rotating in the D direction. As shown in FIG. 15, there is a gap 176 between the rear end portion 120E of the wide portion 120D of the slide member 120 and the roller 130 of the bending lever member 129 before the first control wire 111 is pulled. Is formed. For this reason, when the first control wire 111 is pulled, the slide member 120 can be retracted by the gap 176. As described above, the rotation amount of the rotation member 42 is in accordance with the length of the arc-shaped long hole 42B in which the stop member 101 is inserted, and the retreat distance (movement amount) of the slide member 120. Is substantially the same as the rotation amount of the rotation member 42. For this reason, the backward movement of the slide member 120 stops immediately after the rear end portion 120E of the wide portion 120D contacts the roller 130. Therefore, there is almost no force with which the slide member 120 presses the roller 130, and there is no possibility that the roller 130 is damaged by the retreat of the slide member 120.

  FIG. 13 is a view showing the second processing device 38 when the shutter curtain 1 is not in contact with the obstacle 34, and at this time, the shutter curtain 1 is fixedly arranged on the upper part of the machine frame 49 of the second processing device 38. The operating member 171 of the micro switch 170 is in a state of being in contact with the outer peripheral surface 42D of the rotating member 42, that is, the micro switch 170 is not operating. On the other hand, FIG. 19 is a diagram showing the second processing device 38 when the rotating member 42 is rotated in the D direction by the shutter curtain 1 coming into contact with the obstacle 34. As shown in FIG. 19, when the rotation member 42 rotates in the D direction, the operation member 171 of the micro switch 170 abuts on the dog member 173 attached to the rotation member 42 ( Get on). For this reason, the operating member 171 that protrudes downward by the biasing force of the spring is immersed, and the micro switch 170 is activated. That is, it is in a state where it is detected that a tension has acted on the second portion 36C of the locking wire 36, in other words, in a state where the obstacle 34 is electrically detected.

  For this reason, in the combined shutter device for management and disaster prevention according to the present embodiment, in addition to the mechanical obstacle detection device 35, the mechanical obstacle detection device 35 and the micro switch 170 are electrically driven by the shutter curtain 1. An electric obstacle detection device 174 that electrically detects the obstacle 34 during the closing movement is provided. In other words, the electric obstacle detecting device 174 is an electric normal obstacle detecting unit that detects contact of the shutter curtain 1 with the obstacle 34 during the electric lowering in the normal state. On the other hand, the mechanical obstacle detection device 35 is a mechanical emergency obstacle detection unit that detects contact of the shutter curtain 1 with the obstacle 34 that is falling under its own weight in an emergency. Further, the micro switch 170 serves as tension force detecting means for detecting that tension force is applied to the locking wire 36 that is a tension force acting member.

  The micro switch 170 is operated so that the closing movement of the shutter curtain 1 is stopped by the mechanical shutter curtain stop device after the closing shutter curtain 1 comes into contact with the obstacle 34. It has become.

  The micro switch 170 is not disposed at the center position M in the width direction (left-right direction) of the shutter curtain 1 shown in FIG. 1, and is displaced from the center position M to one side in the width direction of the shutter curtain 1. It is arrange | positioned in the position where the opening / closing machine 13 is arrange | positioned.

  When the micro switch 170 is activated, an obstacle detection signal indicating that the obstacle 34 has been detected is input to the control device 27 (see FIG. 4) to which the lead wire 172 of the micro switch 170 is connected. As a result, the following control is performed by the control device 27 for avoiding contact (collision) with the obstacle portion 34 that is in contact with the shutter curtain 1.

  First, control is performed to cut off the energization of the coil 25 of the electric motor means 18 of the opening / closing device 13, whereby the positive drive of the electric motor means 18 is stopped. Thereafter, a control for shutting off the energization of the solenoid 24 of the brake means 19 of the opening / closing machine 13 is performed, whereby the brake means 19 is turned on. As a result, the shutter curtain 1 stops the electric descent.

  Thereafter, control for energizing the solenoid 24 of the brake means 19 of the switch 13 again is performed, and control for energizing the coil 25 of the electric motor means 18 of the switch 13 again is performed. Thereby, the electric motor means 18 is reversely driven (reversely rotated). As a result, the shutter curtain 1 is electrically lifted (opened movement), in other words, reversed and lifted.

  When the fully open limit switch 183 is activated while the shutter curtain 1 is being raised electrically, control to cut off the energization of the coil 25 of the electric motor means 18 of the switch 13 (stops reverse driving of the electric motor means 18). And control to cut off the energization of the solenoid 24 of the brake means 19 of the switch 13 (control to turn on the brake means 19) is performed. As a result, the shutter curtain 1 stops being lifted by electricity.

  On the other hand, when the fully open limit switch 183 is not activated while the shutter curtain 1 is being electrically lifted, the shutter curtain 1 is not moved until the predetermined time T1 has elapsed since the shutter curtain 1 started to be lifted electrically. Electricity rise continues. Whether or not the predetermined time T1 has elapsed since the start of the electric raising of the shutter curtain 1 is determined by the time counted by the timer circuit 175 provided in the control device 27 shown in FIG.

  When the predetermined time T1 has elapsed since the start of the electric raising of the shutter curtain 1, the control for cutting off the energization of the coil 25 of the electric motor means 18 of the switch 13 is performed. Reverse drive stops. Thereafter, a control for shutting off the energization of the solenoid 24 of the brake means 19 of the opening / closing machine 13 is performed, whereby the brake means 19 is turned on. As a result, the shutter curtain 1 stops being lifted by electricity.

  In the present embodiment, the electric descent is started again after a predetermined time T2 has elapsed after the electric descent of the shutter curtain 1 is stopped. That is, the stop of the shutter curtain 1 is continued until the predetermined time T2 elapses after the electric lift of the shutter curtain 1 is stopped. On the other hand, when the predetermined time T2 has elapsed since the electric lift of the shutter curtain 1 has stopped, the above-described control for lowering the shutter curtain 1 is performed. Whether or not the predetermined time T2 has elapsed since the shutter curtain 1 stopped electrically rising is determined by the time counted by the timer circuit 175.

  In the present embodiment, the predetermined times T1 and T2 counted by the timer circuit 175 can be arbitrarily set, and T1 and T2 may be the same.

  In addition, since the curtain sub-part 71B moves away from the obstacle 34 due to the electric lift of the shutter curtain 1 in contact with the obstacle 34, the curtain sub-part 71B descends relative to the curtain main part 71A. . Accordingly, the rotation member 42 in the state shown in FIG. 19 rotates in the C direction by the return force of the return spring 100, so that it contacts the dog member 137 attached to the rotation member 42. The actuating member 171 of the micro switch 170 of the second processing apparatus 38 that has been immersed in the step is again protruded (see FIG. 13). As a result, the operation of the micro switch 170 is released. That is, the obstacle detection state of the electric obstacle detection device 174 is canceled.

  When the electrically driven shutter curtain 1 is lowered again, if the obstacle 34 has not yet been removed, the micro switch 170 of the second processing device 38 will be actuated again. The above-described control for electrically raising the shutter curtain 1 is performed.

  20 and 21 are flowcharts showing the flow of control performed by the control device 27 in order to open and close the shutter curtain 1 with the driving force of the opening / closing machine 13, that is, electrically, in the normal state. Yes.

  First, the operation button pressed by the operation device 30 is determined (steps S1 and S2). The determination of the operation button is based on a control signal (close signal, open signal) transmitted from the operation device 30 by operating the operation buttons (“Close” button 30B, “Open” button 30A, “Stop” button 30C). Signal, stop signal).

  First, it is determined whether or not the “close” button 30B of the operating device 30 has been pressed (step S1). If it is determined in step S1 that the “close” button 30B has not been pressed (step S1-NO), that is, if it is determined that the “open” button 30A or the “stop” button 30C has been pressed. In the next step S2, it is determined whether or not the “open” button 30A has been pressed.

  If it is determined in this step S2 that the “open” button 30A has been pressed (step S2-YES), the shutter curtain 1 opening (opening movement) control process (step S3) is performed, and the “open” button If it is determined that 30A has not been pressed (step S2-NO), that is, if it is determined that the "stop" button 30C has been pressed, the shutter curtain 1 stop control process (step S4) is performed. Is called.

  On the other hand, if it is determined in step S1 that the “close” button 30B has been pressed (step S1-YES), the solenoid 24 of the brake means 19 of the switch 13 is energized, and the brake means 19 is turned off. (Step S5). And when the coil 25 of the electric motor means 18 of the switch 13 is energized, the electric motor means 18 is driven forward (forward rotation) (step S6). As a result, the shutter curtain 1 is lowered (closed) by electric drive (step S7).

  If the fully-closed limit switch 182 is activated while the shutter curtain 1 is in the electric lowering state (step S8—YES), that is, if the shutter curtain 1 has reached the fully-closed position, the micro of the second processing device 38. Control for invalidating the operation of the switch 170 is performed (step S9). This prevents the control device 27 from determining the floor 4 as an obstacle. Thereafter, control is performed to cut off the energization of the coil 25 of the electric motor means 18 of the opening / closing device 13, whereby the positive drive of the electric motor means 18 is stopped (step S10). Thereafter, control is performed to cut off the energization of the solenoid 24 of the brake means 19 of the opening / closing machine 13, whereby the brake means 19 is turned on (step S11). As a result, the shutter curtain 1 stops the electric descent (closed movement).

  On the other hand, if the fully closed limit switch 182 is not actuated while the shutter curtain 1 is being powered down (step S8—NO), that is, if the shutter curtain 1 has not reached the fully closed position, In step S12, it is determined whether or not the micro switch 170 of the second processing device 38 is operated, that is, whether or not the shutter curtain 1 is in contact with the obstacle 34. In step S12, when it is determined that the micro switch 170 of the second processing device 38 is not operated (step S12-NO), the process returns to step S7, and the electric descent of the shutter curtain 1 continues. On the other hand, when it is determined in step S12 that the micro switch 170 of the second processing device 38 has been activated (step S12—YES), the control for cutting off the energization of the coil 25 of the electric motor means 18 of the switch 13 is performed. As a result, the positive drive of the electric motor means 18 is stopped (step S13). Thereafter, control is performed to cut off the energization of the solenoid 24 of the brake means 19 of the opening / closing machine 13, whereby the brake means 19 is turned on (step S14). As a result, the shutter curtain 1 stops the electric descent (step S15).

  Thereafter, the solenoid 24 of the brake means 19 of the switch 13 is energized again (step S16). When the coil 25 of the electric motor means 18 of the switch 13 is also energized, the electric motor means 18 is reversely driven (reversely rotated) (step S17). As a result, the shutter curtain 1 is electrically lifted (opened movement), in other words, reversed and lifted (step S18).

  Thereafter, in step S19, it is determined whether or not the fully open limit switch 183 has been operated while the shutter curtain 1 is electrically lifted, that is, whether or not the shutter curtain 1 has reached the fully open position. When the fully open limit switch 183 is not actuated (step S19-NO), it is determined whether or not a predetermined time T1 has elapsed after the shutter curtain 1 is electrically lifted (step S20). This determination is made based on the time counted by the timer circuit 175 of the control device 27 as described above.

  When the predetermined time T1 has not elapsed (step S20—NO), the process returns to step S18, and the electric increase of the shutter curtain 1 is continued. On the other hand, when the predetermined time T1 has passed (step S20-YES), control is performed to cut off the energization of the coil 25 of the electric motor means 18 of the opening / closing device 13, whereby reverse driving of the electric motor means 18 is performed. Stop (step S21). Thereafter, control is performed to cut off the energization of the solenoid 24 of the brake means 19 of the opening / closing machine 13, whereby the brake means 19 is turned on (step S22). As a result, the shutter curtain 1 stops being lifted by electricity (step S23).

  In step S19, when the fully open limit switch 183 is actuated (step S19-YES), the processing of steps S21 to 23 is performed, and the shutter curtain 1 stops the electric lift (step S23).

  As described above, in this embodiment, the electric descent of the shutter curtain 1 is stopped and then the electric descent is started again after a predetermined time T2. In step S <b> 24, it is determined whether or not a predetermined time T <b> 2 has elapsed since the electric lift of the shutter curtain 1 has stopped. This determination is made by the time counted by the timer circuit 175 of the control device 27 as in step S20.

  When the predetermined time T2 has not elapsed (step S24-NO), the determination process in step S24 is repeated, and the shutter curtain 1 is stopped. On the other hand, when the predetermined time T2 has elapsed (step S24-YES), the processing after step S5 (see FIG. 16) is performed, and the shutter curtain 1 starts to descend by electric drive.

  In addition, since the curtain sub-part 71B moves away from the obstacle 34 due to the electric lift of the shutter curtain 1 in contact with the obstacle 34, the curtain sub-part 71B descends relative to the curtain main part 71A. . As a result, the operation of the micro switch 170 of the second processing device 38 is released. After this, when the shutter curtain 1 is electrically lowered again in steps S5 to S7, if the obstacle 34 has not yet been removed, the micro switch 170 of the second processing device 38 is activated again ( Since step S12-YES), the control apparatus 27 performs the process after step S13 again, and the shutter curtain 1 electrically raises again.

  In FIGS. 22 and 23, the automatic closing device 32 is activated by receiving a disaster prevention signal from the outside due to the occurrence of a disaster such as a fire, and as a result, the shutter curtain 1 held in the fully opened state is fully lowered by its own weight drop. It is a flowchart figure which shows the flow of operation | movement until it reaches a closed position. That is, FIG. 22 and FIG. 23 are flowcharts showing the flow of processing when the shutter device according to the present embodiment operates as a disaster prevention shutter device in which a disaster prevention section is formed by the shutter curtain 1 reaching the fully closed position. It is.

  First, in step S101, when the smoke (heat) sensor 180 shown in FIG. 1 installed outside the shutter device detects the occurrence of a fire, a disaster prevention signal is linked to the disaster prevention signal from the smoke (heat) sensor 180. The data is input to the control device 181 (step S102).

  Thereafter, as shown in FIG. 4, the switch drive control invalidating means 29 of the control device 27 and the automatic closing device return operation invalidating means 190 of the manual return device 186 are activated by a control signal from the disaster prevention interlock control device 181. To do. As a result, the shutter 30 is electrically opened / closed by the operation device 30 (drive control of the switch 13 by the switch drive control circuit 28 of the control device 27) and the automatic closing device 32 is returned to the initial state (automatic closing). Returning (turning on) the brake means 19 of the switch 13 released (off) by the device 32 by operating the “return” button 187 of the manual return device 186 becomes invalid (step S103).

  At the same time, the solenoid 126 of the automatic closing device 32 is energized by a control signal from the disaster prevention interlock control device 181 (step S104). Thereby, the slide member 120 of the automatic closing device 32 in the H position advances to the I position (see FIGS. 15 and 16) (step S105).

  As shown in FIG. 15, when the slide member 120 moves forward, the micro switch 135 is actuated to cut off the energization of the solenoid 126 (step S106), and the brake means 19 of the switch 13 is turned off (released). (Step S107). As a result, the shutter curtain 1 that has been fully opened by the brake means 19 that has been turned on starts to descend (closed movement) due to its own weight (step S108).

  Thereafter, when the fully closed limit switch 182 is not operated (step S109-NO) and the mechanical coupling device 39 is not operated (step S110-NO), the process returns to step S108, and the shutter is released. Curtain 1 continues its own weight drop.

  On the other hand, when the fully closed limit switch 182 is not operated (step S109-NO), and when the mechanical coupling device 39 is operated (step S110-YES), that is, the shutter curtain 1 is falling under its own weight. In this case, when the mechanical coupling device 39 is actuated, the first control wire 111 is pulled to retract the slide member 120 from the I position to the J position (see FIG. 18). (Step S111). As a result, the brake means 19 of the switch 13 that has been turned off is turned on (step S112), and as a result, the weight drop of the shutter curtain 1 is completely stopped (step S113).

  Thereafter, if the obstacle 34 that has been in contact with the shutter curtain 1 has not been removed (step S114-NO), that is, if the operation of the mechanical coupling device 39 continues, the process proceeds to step S113. Returning, the stop of the weight drop of the shutter curtain 1 is continued. On the other hand, when the obstacle 34 that has been in contact with the shutter curtain 1 is removed (step S114-YES), that is, when the operation of the mechanical coupling device 39 is released, the slide member 120 is moved from the J position to the I position. Advance to the position (step S116). Thereby, the brake means 19 of the opening / closing machine 13 which has been turned on is turned off again (step S117). As a result, the shutter curtain 1 lowers its own weight again (processing after step S108).

  On the other hand, when the fully closed limit switch 182 is actuated in step S109 (step S109-YES), the control device 27 sends a fully closed signal (a control signal indicating that the fully closed position has been reached) to the disaster prevention interlock control device 181. ) Is input (step S117).

  Thereafter, the operation of the opening / closing device drive control invalidating means 29 of the control device 27 and the automatic closing device return operation invalidating means 190 of the manual return device 186 is canceled by a control signal from the disaster prevention interlock control device 181. As a result, the electrically operated opening / closing operation of the shutter curtain 1 by the operating device 30 and the returning operation of the automatic closing device 32 to the initial state (operation of the “return” button 187 of the manual returning device 186) are effective. (Step S118).

  Thereafter, an operation for returning the automatic closing device 32 to the initial state is performed by a person such as an administrator of the shutter device (step S119). That is, when a person such as an administrator of the shutter device operates the “return” button 187 of the manual return device 186, the third control wire 113 of the automatic closing device 32 is pulled. Thereby, the automatic closing device 32 returns to the initial state before receiving the disaster prevention signal, and the brake means 19 of the opening / closing machine 13 that has been turned off is turned on. The automatic closing device 32 can be returned to the initial state by operating (pulling) the manual operation member 141 (see FIGS. 1 and 4) of the manual return device 191.

  In order to reopen the shutter curtain 1 in the fully closed state again, the shutter curtain 1 can be electrically operated by operating the “open” button 30A of the operation device 30 by a person such as a shutter device administrator. It is opened and moved to the fully open position by the driving force of the switch 13).

  FIG. 24 is a flowchart showing a part of the flow of operation of the shutter device when a person who detects (senses) the occurrence of a fire manually operates the manual closing device 184 for dropping the shutter curtain 1 by its own weight. is there. That is, FIG. 24 is also a flowchart showing a flow of processing when the shutter device according to the present embodiment operates as a disaster prevention shutter device in which a disaster prevention section is formed by the shutter curtain 1 reaching the fully closed position. .

  First, a human discovers (senses) that a fire has occurred (step S201), and the fire discoverer detects a manual operation member 185 such as a lever member of the manual closing device 184 (see FIGS. 1 and 4). By operating, the second control wire 112 is pulled (step S202). As a result, the slide member 120 of the automatic closing device 32 advances from the H position to the I position (see FIGS. 15 and 16) (step S203), so that the brake means 19 of the opening / closing machine 13 that has been turned on is turned off. (Step S204).

  After that, when the manual closing device 184 is operated, the control signal from the manual closing device 184 causes the opening / closing device drive control invalidating means 29 of the control device 27 and the automatic closing device return operation invalidating means of the manual return device 186. 190 is activated (see FIG. 4). As a result, the electric opening / closing operation of the shutter curtain 1 and the return operation of the automatic closing device 32 become invalid (step S205). At the same time, the shutter curtain 1 held in the fully opened state by the brake means 19 that has been turned on starts its own weight drop, and thereafter, the processing after step S108 described above (see FIGS. 22 and 23). Is performed (step S206).

  According to the present embodiment described above, even if the shutter device includes a mechanical shutter curtain stop device, it can be used as a management shutter device in a normal state. That is, the shutter device according to the present embodiment effectively functions as a management shutter device by the control device 27 of the control means 33 in the normal time, and the shutter device for disaster prevention in which the mechanical shutter curtain stop device operates in the emergency time. As it works effectively.

  In the present embodiment described above, the electrical obstacle detection device 174 that is an electrical obstacle detection means for electrically detecting the obstacle 34 that is in contact with the shutter curtain 1 during the closing movement is It is configured to include a lock wire 36 that is a tension acting member and a micro switch 170 that is a tension detecting means. It can be determined whether or not tension is applied to the locking wire 36 which is not easily affected by external influences (for example, dust, smoke at the time of fire, noise such as magnetism).

  For this reason, according to the present embodiment, the electric obstacle detection device 174 for electrically detecting the obstacle 34 with which the shutter curtain 1 in the middle of the closing movement comes into contact has an external influence as compared with the conventional case. It will be difficult to receive.

  In the present embodiment described above, when the shutter curtain 1 is electrically closed and is in contact with the obstacle 34 during normal operation, the mechanical obstacle detection by the mechanical obstacle detection device 35 is performed. The locking wire 36 is locked by the mechanical coupling device 39 constituting the mechanical obstacle detection device 35, so that the shutter curtain 1 in contact with the obstacle 34 is closed and stopped moving. . However, in this normal time, the closing movement of the shutter curtain 1 is performed by operating the “close” button 30B of the operating device 30, and by operating the automatic closing device 32 and the manual closing device 184, It is not done. Therefore, the brake means 19 of the switch 13 that is turned off by the operation of the “close” button 30 </ b> B of the operating device 30 remains off even after the shutter curtain 1 contacts the obstacle 34.

  For this reason, in this embodiment, the contact of the shutter curtain 1 with the obstacle 34 causes the first control wire 111 of the second processing device 38 of the mechanical obstacle detection device 35 to be pulled, so that the rotating member 42 is moved. The micro switch 170 is operated by the rotation of the rotating member 42. As a result, under the control of the control device 27 constituting the control means 33, the brake means 19 of the open / close switch 13 that has been turned off is turned on, and the electric motor means 18 that has rotated the winding shaft 11 in the forward direction is turned on. Drive stops.

  For this reason, according to this embodiment, the shutter curtain 1 which contact | abutted to the obstruction 34 can be stopped more reliably at normal time. As described above, according to the present embodiment, the mechanical opening / closing body stopping device including the locking wire 36, the first processing device 37, the second processing device 38, and the mechanical coupling device 39. The shutter device provided with the mechanical shutter curtain stopping device can be used as a management shutter device in normal times. On the other hand, in an emergency, the mechanical shutter curtain stop device ensures that the closing movement of the shutter curtain 1 in contact with the obstacle 34 is mechanically stopped.

  Further, in this embodiment, after the shutter curtain 1 abuts against the obstacle 34 in the normal state, the controller 27 reverses and rises (electrically rises) for a predetermined time T1 under the control of the control device 27. Since it stops only by T2, the impact which the shutter curtain 1 gives to the obstacle 34 can be made smaller, and the obstacle 34 can be easily removed.

  Further, in the present embodiment described above, in the event of an emergency, when the shutter curtain 1 closes and moves due to its own weight, the mechanical obstacle detection device 35 detects the mechanical obstacle. The locking wire 36 is locked by the mechanical coupling device 39 constituting the mechanical obstacle detection device 35, so that the shutter curtain 1 in contact with the obstacle 34 is closed and stopped moving. . In this emergency, the closing movement of the shutter curtain 1 is performed by the operation of the automatic closing device 32 or the operation of the manual closing device 184. Therefore, the shutter curtain 1 is turned off to close and move the shutter curtain 1. The brake means 19 of the opening / closing machine 13 is turned on when the first control wire 111 of the second processing device 38 of the mechanical obstacle detection device 35 is pulled by contact with the obstacle 34 of the shutter curtain 1. .

  In the present embodiment, in the event of an emergency, the control device is operated after the operation of the automatic closing device 32 or the operation of the manual closing device 184 until the shutter curtain 1 that is descending its own weight reaches the fully closed position. 27, the opening / closing machine drive control invalidating means 29 and the automatic closing device return operation invalidating means 190 of the manual return device 186 are activated. For this reason, in the event of an emergency, if the shutter curtain 1 that is falling under its own weight comes into contact with an obstacle 34, the stop of its own weight lowering (closing movement) will be stopped even if a power failure occurs due to a fire or the like. This is more reliably performed by the mechanical obstacle detection device 35 that does not require a power source. Further, since the return operation of the operation device 30 and the manual return device 186 is invalidated while the shutter curtain 1 is falling under its own weight, the above-described mechanical troubles may be caused by excessive operation of these devices by humans. It is possible to prevent the second portion 36C of the locking wire 36 constituting the object detection device 35 from being cut and the constituent members of the second processing device 38 from being damaged.

  In this embodiment, in order to return the automatic closing device 32 to the initial state after the shutter curtain 1 reaches the fully closed position, it is necessary to operate the manual return device 186 and the manual return device 191 described above. However, when the shutter curtain 1 reaches the fully closed position and the fully closed limit switch 182 is activated, the control device 27 activates the manual return device 186 (electrically pulls the third control wire 113). May be performed.

  In the present embodiment described above, the electric obstacle detecting means for electrically detecting that the shutter curtain 1 in the middle of the closing movement has come into contact with the obstacle 34 is provided in the middle of the movement of the shutter curtain 1 in the closing movement. When the contact with the obstacle 34, the mechanical coupling device 39 that operates based on the contact makes a state of being mechanically coupled with the shutter curtain 1 and the lock wire 36 that acts on the tension. In this manner, the micro switch 170 is configured to be operated by rotating the rotating member 42 of the second processing device 38 coupled to one end of the locking wire 36. Yes.

  For this reason, according to the present embodiment, the electric obstacle detection means for electrically detecting the obstacle 34 with which the shutter curtain 1 in the middle of the closing movement abuts is configured to detect dust or dirt when detecting the obstacle 34. It is less susceptible to external influences such as smoke during a fire.

  Further, according to the present embodiment, the power required to detect the obstacle electrically is at least the power required to operate the control device 27 for determining the operation of the microswitch 170.

  In the present embodiment, the second processing device 38 in which the micro switch 170 is arranged and forms the unit structure 45 is housed in the shutter box 8 together with the control device 27 to which the micro switch 170 is connected. It may be. According to this, the external influence which the microswitch 170 receives can be decreased more. In this case, it is necessary to increase the vertical dimension of the shutter box 8 so that the second processing device 38 can be accommodated.

  In the present embodiment, when the micro switch 170 is operated, external notification means (for example, a buzzer or a red light) is provided to notify the outside that an obstacle has come into contact with the shutter curtain 1. Also good.

  Further, in the present embodiment, as described above, both the first portion 36B and the second portion 36C of the locking wire 36 are separated from the curtain main portion 71A except the fixing portion 70A where the mechanical coupling device 39 is disposed. Since the shutter curtain 1 is arranged at a position separated in the thickness direction and does not interfere with the curtain main portion 71A, it is a bridging member spanned between the lintel 16 and the shutter curtain 1. The locking wire 36 serving as a bridging member, which is a tension acting member in the present embodiment, does not hinder the opening and closing movement when the shutter curtain 1 is opened and closed. It can be performed smoothly.

  Further, according to the present embodiment, as described with reference to FIG. 2, the shutter curtain 1 is suspended below the ceiling member 5 through the slit 17 of the lintel 16 disposed on the ceiling member 5, and the lock wire 36. The first and second portions 36 </ b> B and 36 </ b> C have a length straddling the top and bottom of the ceiling member 5, and the first and second portions 36 </ b> B and 36 </ b> C are not in contact with the lintel 16, and Since the slit 16 is inserted into the slit 16, smooth movement of the locking wire 36 relative to the lintel 16 can be ensured when the shutter curtain 1 is opened and closed.

  Furthermore, since the first and second portions 36B and 36C of the locking wire 36 do not interfere with the lintel 16, it is possible to prevent both the locking wire 36 and the lintel 16 from being damaged.

  Further, in the present embodiment, when the shutter curtain 1 is fully opened, the “close” button 30B of the operating device 30 shown in FIG. 1 is operated in a normal state, or is automatically closed in an emergency. When the shutter curtain 1 starts to move by actuating the device 32 or the manual closing device 184, and the shutter curtain 1 in the closing movement comes into contact with the obstacle 34, as in the case described above, The first lever member 61 and the second lever member 62 of the type coupling device 39 sandwich and lock the folded portion 36A of the locking wire 36 between the friction members 67 and 68, and the mechanical coupling device 39 is connected to the shutter curtain 1. In order to mechanically couple the lock wire 36, a downward tension force acts on the second portion 36C of the lock wire 36. It made.

  When the closing movement of the shutter curtain 1 is performed by operating the “close” button 30B of the operation device 30 or by the operation of the automatic closing device 32 or the manual closing device 184, the locking wire is used. The tension of the second portion 36 </ b> C of 36 acts on the slide member 120 of the automatic closing device 32 via the rotating member 42 of the second processing device 38 and the first control wire 111. Since the roller 130 of the bending lever member 129 is fitted in the concave portion 120B of the slide member 120 at this time, the shutter curtain 1 is slightly closed due to the dent deformation of the obstacle 34 or the like. After descending, it can be stopped.

  In addition, although the shutter apparatus which concerns on this embodiment demonstrated above was a combined shutter apparatus of management and disaster prevention, this invention is applicable also to the shutter apparatus only for management, and the shutter apparatus only for disaster prevention.

  In the present embodiment described above, when the shutter curtain 1 that is being moved by electric contact comes into contact with the obstacle 34, the control device 27 does not perform the control for reversing and raising the shutter curtain 1, but the shutter curtain 1 Control is stopped regardless of whether the obstacle 34 has been removed after the stop control (whether the obstacle 34 is no longer detected by the micro switch 170) or not. You may make it do.

  Further, in the present embodiment described above, when the shutter curtain 1 that is being closed by electric contact comes into contact with the obstacle 34, the control device 27 does not perform the control for reversing and raising the shutter curtain 1, but the shutter curtain 1 Is stopped at a position in contact with the obstacle 34, and even when the obstacle 34 is removed after the stop control, the shutter is again held until the “close” button 30B of the operating device 30 is operated. Control to close and move the curtain 1 by electric drive may not be performed. That is, as long as the “close” button 30B of the operation device 30 is not operated, the stop control of the shutter curtain 1 by the control device 27 may be continued.

  In the present embodiment described above, the shutter curtain 1 that is electrically closed and moving is in contact with the obstacle 34, and the obstacle 34 is detected by the micro switch 170, that is, under the control of the control device 27. When the smoke (heat) sensor 180 detects the occurrence of a fire in the state where the shutter curtain 1 is closed and stopped moving (the reversal may or may not be performed) (step S101 in FIG. 22). The shutter device performs an operation based on the processing from step 102 onward in the flowchart shown in FIG. That is, if the obstacle 34 is removed, the shutter curtain 1 performs its own weight drop, and if the shutter curtain 1 comes into contact with the obstacle 34 or another obstacle again during this weight drop, this shutter curtain 1 The self-weight drop is stopped mechanically by the mechanical shutter curtain stop device. As described above, the shutter device (management shutter device) that has been operating in the normal mode detects the occurrence of a fire by the smoke (heat) sensor 180, and thus the shutter device (disaster prevention shutter) in the emergency mode (disaster prevention mode). Device).

  As described above, when the shutter curtain 1 that is electrically closed is in contact with the obstacle 34, the shutter 27 of the shutter curtain 1 is controlled by the control device 27 until the “close” button 30B of the operation device 30 is operated. In the case where the stop control is continued, the obstacle 34 is removed, but the smoke (heat) sensor 180 detects the occurrence of a fire in a state where the “close” button 30B of the operation device 30 is not yet operated. Even in this case, as described above, the shutter device performs an operation based on the processing from step 102 onward in the flowchart shown in FIG. That is, the shutter device operates as a disaster prevention shutter device.

  In the present embodiment described above, the micro switch 170 is fixedly disposed on the machine frame 49 of the processing device 38 (see FIGS. 13 and 19), and is operated by rotating the rotating member 42 of the processing device 38. However, the microswitch 170 may be arranged in the automatic closing device 32 (see FIG. 15), and the microswitch 170 may be activated by pulling the first control wire 111. In this case, it is necessary to attach an auxiliary member for operating the microswitch 170 to the first control wire 111.

  In the present embodiment described above, the electric obstacle detection means for detecting the contact between the shutter curtain and the obstacle by detecting that the tension force has acted on the roller chain that is the bridging member. Although the micro switch 170 is a contact type switch unit, a non-contact type switch unit may be used. As an example of this non-contact type switch means, it is arranged on one surface side of the rotating member 42 in the machine frame 49 of the processing device 38 (see FIG. 13), and light or ultrasonic waves are applied during the closing movement of the shutter curtain 1. And a transmitter that is disposed on the other surface side and that receives the signal transmitted from the transmitter, and the signal transmitted from the transmitter is And a mechanism for detecting the tension force acting on the roller chain by being interrupted by the gear teeth 42C partially formed on the outer peripheral portion of the rotating member 42 rotated by contact with the obstacle 34. Can do.

  As described above, in the conventional mechanical coupling device, when the shutter curtain 1 is closed and moved to the fully closed position, the curtain sub-portion 71B disposed at the front end portion on the closing side of the shutter curtain 1 is, in other words, The above-mentioned movable part 70B forming the lower part of the seat plate 1B of the shutter curtain 1 comes into contact with the floor 4 as a counterpart member, and the lowering of the movable part 70B stops. Even if the lowering of the movable part 70B is stopped, the curtain main part 71A composed of the curtain main body 1A and the fixed part 70A of the seat plate 1B is lowered. Due to the relative rise of the curtain sub-portion 71B with respect to the portion 71A, the first lever member 61 and the second lever member 62 of the mechanical coupling device 39 described above are in friction members 67 and 68 as described with reference to FIG. The above-described folded portion 36A of the locking wire 36 is clamped, and the locking wire 36 is locked by this clamping. As a result, the shutter curtain 1 and the locking wire 36 are mechanically coupled by the mechanical coupling device 39.

  That is, in the conventional mechanical coupling device, when the shutter curtain 1 is closed and moved to the fully closed position, the floor 4 is also handled as an obstacle, and the curtain sub-part 71B of the shutter curtain 1 abuts against the floor 4, thereby When the curtain sub-portion 71B moves upward relative to the curtain main portion 71A, the first lever member 61 and the second lever member 62 swing, and the friction member 67 attached to the first lever member 61 The portion 36A of the locking wire 36 is clamped and locked by the friction member 68 attached to the second lever member 62.

  When the shutter device provided with this mechanical coupling device is a combined management and disaster prevention shutter device that also functions as a management shutter device for opening and closing the opening on a daily basis, as in this embodiment. In this case, every time the shutter curtain 1 is closed and moved to the fully closed position, the portion 36A of the locking wire 36 is pinched and locked, so that the durability of the locking wire 36 is significantly reduced.

  In the present embodiment, when the shutter curtain 1 is closed and moved to the fully closed position, the friction member 67 attached to the first lever member 61 and the friction member 68 attached to the second lever member 62 are locked. A blocking means is provided to block the pinching lock of the portion 36A of the wire 36 for use. In other words, in the present embodiment, when the shutter curtain 1 is closed and moved to the fully closed position, an operation blocking means for blocking the operation of the first lever member 61 and the second lever member 62 that are operation members is provided. . Hereinafter, the structure of the operation preventing means will be described.

  FIG. 25 is an enlarged view of the mechanical obstacle detection device 35 shown in FIG. As shown in FIG. 25, the case 55 for housing the mechanical coupling device 39 has a third lever member 250 that can swing around a fulcrum shaft (in other words, a swing shaft) 270. It is attached. The fulcrum shaft 270 of the third lever member 250 is installed horizontally between the back surface portion 55A and the front surface portion 55C of the case 55. For this reason, the third lever member 250 moves in the opening / closing movement direction of the shutter curtain 1. It can swing freely.

  FIG. 26 is a side view of one of both side views of the third lever member 250 shown in FIG. 25, and FIG. 27 is a side view of the other side of the third lever member 250. FIG. 28 is a plan view of the third lever member 250 shown in FIG.

  As shown in FIGS. 26 and 27, the center in the longitudinal direction (in other words, the length direction (left-right direction in FIGS. 26 and 27)) of the third lever member 250 formed by bending the plate material or the like. A first downward extending portion 251A and a second downward extending portion 251B extending downward (in the closing movement direction) are formed at the lower portion of the portion 251.

  One end portion (the right end portion in FIG. 26 and the left end portion in FIG. 27) 252 of both end portions in the longitudinal direction of the third lever member 250 extends downward, and the tip end portion (lower end portion) of this end portion 252 is extended. ) Is a hook portion 252A bent inward in the longitudinal direction of the third lever member 250. As will be described later, the hook portion 252A serves as an engaging portion that engages with the distal end portion 61C of the first lever member 61.

  On the other hand, the other end portion (the left end portion in FIG. 26 and the right end portion in FIG. 27) 253 of both end portions in the longitudinal direction of the third lever member 250 extends vertically upward, and is located above the end portion 253. Are formed with an inclined portion 253A inclined upward in the longitudinal direction of the third lever member 250 and a horizontal extending portion 253B extending horizontally from the upper end portion of the inclined portion 253A. As shown in FIG. 28, an elongated notch 253D that is elongated in the longitudinal direction of the third lever member 250 is formed from the tip of the horizontal extension 253B to the middle of the inclined portion 253A. ing. For this reason, the upper part of the end portion 253 of the third lever member 250 is a bifurcated portion 253C.

  As shown in FIGS. 25 and 28, a bent portion 251 </ b> C that bends obliquely in the thickness direction of the third lever member 250 is formed between the center portion 251 and the end portion 252 of the third lever member 250. For this reason, the hook portion 252 </ b> A and the central portion 251 formed at the end portion 252 are displaced in the thickness direction of the third lever member 250.

  Further, as shown in FIG. 25, a back surface portion 55 </ b> A (a side view on the near side in FIG. 25) that is one side surface portion of both side surface portions of the case 55 of the mechanical coupling device 39 and the other side surface portion. In each of the front portions 55C (the side view on the back side in FIG. 25), through holes (not shown) are formed at the same height and in the same longitudinal direction. For this reason, these two through holes are in a state of facing each other.

  As shown in FIG. 25, the third lever member 250 is attached to the case 55 of the mechanical coupling device 39 via the attachment member 260.

  Similar to the third lever member 250, the attachment member 260 formed by bending the plate material includes a horizontal portion 261 and an upward extending portion extending upward from an end portion of the horizontal portion 261 on the third lever member 250 side. (In other words, the rising portion) 262 and a downwardly extending portion (in other words, a drooping) that extends downward from the end of the horizontal portion 261 opposite to the end (the end on the third lever member 250 side). Part) 263.

  As shown in FIG. 25, an opening 55G by a notch is formed at a substantially central portion of the upper surface portion 55B of the case 55 in the longitudinal direction (length direction) of the case 55. Further, a long hole 55H that is elongated in the longitudinal direction of the case 55 is formed in the upper surface portion 55B of the case 55 so as to be continuous with the opening 55G. The width dimension of the elongated hole 55H (the dimension in the thickness direction of the case 55, which is a direction orthogonal to the longitudinal direction of the case 55) is slightly larger than the thickness dimension of the end portion 252 of the third lever member 250. The end 252 of the third lever member 250 can be inserted into the long hole 55H and the opening 55G.

  First, the third lever member 250 is attached to the case 55 of the mechanical coupling device 39. First, the upper portion of the central portion 251 of the third lever member 250 (the place where the screw hole 251D shown in FIGS. 26 and 27 is formed). In addition, the upper extension 262 of the attachment member 260 is fastened with a fastening tool 265 such as a screw. At this time, the distance between the central portion 251 of the third lever member 250 and the downward extending portion 263 of the mounting member 260 is the same as the thickness dimension of the case 22 or the thickness of the case 22 as can be seen from FIG. Slightly larger than the dimensions. At this time, the through hole 251E (see FIGS. 26 and 27) formed in the first downward extension 251A of the third lever member 250 and the downward extension 263 of the attachment member 260 are not shown. The through holes are in a state of facing each other.

  Thereafter, while the hook portion 252A of the end portion 252 of the third lever member 250 is inserted into the elongated hole 55 of the case 55, the center portion 251 of the third lever member 250 and the downward extension portion 263 of the mounting member 260 are formed. A case 55 is inserted between them. A through hole (not shown) formed in the downwardly extending portion 263 of the attachment member 260 matches or substantially matches a through hole (not shown) formed in the back surface portion 55A of the case 55, and the third lever member 250 The central portion 251 of the third lever member 250 and the mounting member until the through hole 251E formed in the first downward extending portion 251A matches or substantially matches the through hole (not shown) formed in the front portion 55C of the case 55. The case 55 is inserted between the lower extension portion 263 of 260.

  Thereafter, the bolts 270 that are shaft members shown in FIG. 25 are inserted into these four through holes, all having the same or substantially the same diameter, and the bolts protruding from the through holes 251E of the third lever member 250. A nut 271 is screwed onto the tip of the shaft portion of 270 and tightened.

  As a result, the third lever member 250 is attached to the case 55 of the mechanical coupling device 39, and the bolt 270, which is a shaft member, is placed horizontally between the back surface portion 55A and the front surface portion 55C of the case 55. And a state of being horizontally laid between the third lever member 250 and the mounting member 260.

  For this reason, as shown in FIG. 25, the third lever member 250 can swing around the bolt 270 together with the mounting member 260. For this reason, the bolt 270 is a fulcrum shaft (in other words, a swinging central shaft) of the third lever member 250.

  The locking wire 36 includes a long hole 57 that is a through hole formed in the case 55 that is a storage member for storing the mechanical coupling device 39, between the forked portion 253C of the third lever member 250, and It is supposed to be inserted through.

  29 and FIG. 7 (front view showing the internal structure of the mechanical coupling device 39), which are enlarged views of FIG. 6 (a diagram showing the front side of the case 55 of the mechanical coupling device 39 shown in FIG. 5). As can be seen from FIG. 30 which is an enlarged view of the figure), the fulcrum shaft 270 of the third lever member 250 is a fulcrum shaft different from the fulcrum shaft 63 of the first lever member 61 and the second lever member 62 which are actuating members. It has become.

  Further, as shown in FIGS. 5 and 25, a portion of the locking wire 36 serving as a bridging member that is fed out from the reel 40 of the first processing device serving as a winding device, is a third lever. A cylindrical member 280 whose upper and lower portions are tapered (substantially tapered) is inserted and fixed at a position closer to the reel 40 (in other words, the upper side) than the bifurcated portion 253C of the member 250. A screw hole penetrating in the horizontal direction (lateral direction) from the outer peripheral surface portion 280A to the hollow portion is formed in the outer peripheral surface portion 280A at the center portion of the cylindrical member 280. The member 281 is screwed in until the tip of the screw member 281 presses the locking wire 36. As a result, the cylindrical member 280 is fixed to the locking wire 36. Therefore, by loosening the screw member 281 screwed into the screw hole of the cylindrical member 280, the fixing position of the cylindrical member 280 to the locking wire 36 can be easily adjusted. Thus, in this embodiment, the fixing position of the cylindrical member 280 to the locking wire 36 can be adjusted by operating the screw member 281.

  When the shutter curtain 1 is fully opened, the cylindrical member 280 inserted and fixed to the locking wire 36 is wound around the reel 40. When the shutter curtain 1 starts to close and move, the cylindrical member 280 It moves in the direction of arrow K shown in FIG. 25 together with the lock wire 36 that follows the closing movement of the curtain 1.

  The width dimension of the slit 17 of the lintel 16 through which the lock wire 36 is inserted (the interval between the lintel member 16A and the lintel 16B) can also be inserted into the cylindrical member 280 inserted and fixed in the lock wire 36. It is a width dimension. That is, the cylindrical member 280 inserted and fixed in the locking wire 36 can pass through the slit 17 of the lintel 16 without contacting the lintel 16.

  25, 29, and 30 described above show a state immediately after the cylindrical member 280 that moves together with the lock wire 36 that follows the closing movement of the shutter curtain 1 contacts the bifurcated portion 253C of the third lever member. At this time, the curtain sub-part 71 </ b> B of the shutter curtain 1 is in a state immediately after contacting the floor 4. That is, in the present embodiment, the cylindrical member 280 comes into contact with the bifurcated portion 253C of the third lever member simultaneously with the curtain sub-part 71B of the shutter curtain 1 coming into contact with the floor 4.

  Note that the third lever member is maintained in a horizontal posture as shown in FIGS. 25, 29, and 30 until the cylindrical member 280 contacts the bifurcated portion 253C of the third lever member. At this time, the upper surface of the hook portion 252A of the end portion 252 of the third lever member inserted into the case 55 for housing the mechanical coupling device 39 is the lower surface of the distal end portion 61C of the first lever member 61. They are in contact. Therefore, the hook portion 252A of the end portion 252 of the third lever member is in a state that can be engaged with the tip portion 61C of the first lever member 61, and the tip portion 61C of the first lever member 61 is in the third position. The hook member 252A of the end 252 of the lever member is an engaged portion to be engaged.

  In FIG. 25, even after the cylindrical member 280 comes into contact with the bifurcated portion 253 </ b> C of the third lever member 250, the locking wire 36 is fed out from the reel 40, so that the cylindrical member 280 moves the bifurcated portion 253 </ b> C of the third lever member 250. It will be pushed down in the direction of arrow K. As a result, the third lever member 250 swings in the arrow P direction as shown in FIG. That is, the third lever member 250 in which the hook portion 252A is engaged with the distal end portion 61C of the first lever member 61 locks the first lever member 61 and the locking wire 36 as shown in FIG. It is swung in the direction opposite to the direction in which the shutter curtain 1 opens (the direction in which the shutter curtain 1 moves).

  On the other hand, after the curtain sub-part 71B of the shutter curtain 1 comes into contact with the floor 4 (the cylindrical member 280 comes into contact with the bifurcated part 253C of the third lever member 250), the descent of the curtain sub-part 71B stops. Since the curtain main portion 71A is lowered, the second lever member 62 is swung in the direction in which the lock wire 36 is clamped and locked by the relative rise of the curtain sub-portion 71B with respect to the curtain main portion 71A generated by the lowering. To do.

  FIGS. 31 to 33 show the time when the shutter curtain 1 is closed and moved to the fully closed position (when the relative rise of the curtain sub part 71B with respect to the curtain main part 71A reaches the movement limit as shown in FIG. 11). FIG. FIG. 31 is an enlarged view of the mechanical obstacle detection device 35 when the shutter curtain 1 is closed and moved to the fully closed position, and is the same view as FIG. FIG. 32 is an enlarged view of the front side of the case of the mechanical coupling device 39 when the shutter curtain 1 is closed and moved to the fully closed position, and is a view similar to FIG. FIG. 33 is an enlarged front view showing the internal structure of the mechanical coupling device 39 when the shutter curtain 1 is closed and moved to the fully closed position, and is a view similar to FIG.

  As shown in FIGS. 31 to 33, when the shutter curtain 1 reaches the fully closed position, the bifurcated portion 253 </ b> C of the third lever member 250 that has been pushed down by the cylindrical member 280 is formed on the case 55 of the mechanical coupling device 39. It contacts the upper surface portion 55B. That is, the cylindrical member 280 comes into contact with the upper surface portion 55B of the case 55 of the mechanical coupling device 39 via the bifurcated portion 253C of the third lever member 250.

  At this time, as shown in FIG. 33, the first lever member 61 is greatly swung in a direction opposite to the direction in which the lock wire 36 is clamped and locked (the opening movement direction of the shutter curtain 1).

  Thus, when the shutter curtain 1 is closed and moved to the fully closed position, the lock wire 36 formed by the friction member 67 attached to the first lever member 61 and the friction member 68 attached to the second lever member 62. The folded portion 36 is locked. This prevents the shutter curtain 1 and the locking wire 36 from being mechanically coupled by the mechanical coupling device 39.

  That is, the direction in which the second lever member 62 clamps and locks the locking wire 36 until the shutter curtain 1 closes and moves to the fully closed position after the curtain sub-part 71B of the shutter curtain 1 contacts the floor 4 (shutter Even if the curtain 1 swings in the direction in which the curtain 1 opens, the locking of the locking wire 36 is prevented.

  For this reason, in this embodiment, the third lever member 250, which is a third swinging member that is attached to the case 55 of the mechanical coupling device 39 and is swingable about the fulcrum shaft 270, and the lock wire A cylindrical member 280 fixed to 36 and abutting against the forked portion 253C of the third lever member 250 is a first operating member included in the mechanical coupling device 39 when the shutter curtain 1 is closed and moved to the fully closed position. An operation blocking means for blocking the operation of the lever member 61 is configured.

  The bifurcated portion 253 </ b> C of the third lever member 250 is a force point portion with which the cylindrical member 280 comes into contact, and the hook portion 252 </ b> A of the third lever member 250 is the tip that is the engaged portion of the first lever member 61. In addition to being an engaging portion that engages with the portion 61 </ b> C, an external force applied to the bifurcated portion 253 </ b> C of the third lever member 250 serves as an action point portion that acts on the first lever member 61.

  The cylindrical member 280 is a portion of the locking wire 36 that is fed from the reel 40 that is a winding device, and is fixed at a position closer to the reel 40 than the bifurcated portion 253C of the third lever member 250. The contact member is in contact with the forked portion 253 </ b> C of the third lever member 250 before being moved to the fully closed position.

  As described above, the shutter device according to the present embodiment is a combined management and disaster prevention shutter device that also functions as a management shutter device for opening and closing the opening on a daily basis. That is, in the shutter device according to the present embodiment, the shutter curtain 1 is closed and moved to the fully closed position in order to close the opening, but as described above, the present embodiment. Then, when the shutter curtain 1 is moved to the fully closed position, the locking of the lock wire 36 is blocked by the operation blocking means.

  For this reason, according to this embodiment, it becomes possible to prevent the durability of the lock wire 36 constituting the shutter curtain stop device of the shutter device from being lowered.

  In the present embodiment, the cylindrical member 280 contacts the bifurcated portion 253C of the third lever member 250 when the curtain sub-part 71B of the shutter curtain 1 contacts (contacts) the floor 4. The timing at which the cylindrical member 280 contacts the bifurcated portion 253C of the third lever member 250 is not limited to this. That is, before the curtain sub-part 71B of the shutter curtain 1 abuts (contacts) the floor 4, the cylindrical member 280 may abut on the bifurcated part 253C of the third lever member 250, that is, the shutter curtain 1 The cylindrical member 280 may come into contact with the bifurcated portion 253 </ b> C of the third lever member 250 after the curtain sub-part 71 </ b> B comes into contact (contact) with the floor 4.

  In short, when the shutter curtain 1 reaches the fully closed position, it is sufficient that the pinching lock of the portion 36A of the locking wire 36 by the friction members 67 and 68 of the two lever members 61 and 62 is prevented. .

  The timing at which the cylindrical member 280 contacts the bifurcated portion 253C of the third lever member 250 can be adjusted by adjusting the position at which the cylindrical member 280 is fixed to the locking wire 36.

  In the present embodiment, when the shutter curtain 1 reaches the fully closed position, the closing movement of the shutter curtain 1 is stopped, but in the case of an emergency (in other words, the shutter device according to the present embodiment). In which the shutter curtain 1 functions as a shutter device for disaster prevention) and in the normal case (in other words, the shutter device according to the present embodiment functions as a shutter device for management). Is different.

  As described above, when the shutter curtain 1 is closed and moved to the fully closed position, as shown in FIGS. 31 to 33, an external force acting downward (in the closing movement direction of the shutter curtain 1) is applied by the cylindrical member 280. The forked portion 253C of the third lever member 250 is in contact with the upper surface portion 55B of the case 55 of the mechanical coupling device 39. Thereby, downward tension force acts on the second portion 36 </ b> C of the locking wire 36.

  And this tension force acts on the 1st control wire 111 wired between the 2nd processing apparatus 38 and the automatic closure apparatus 32, as shown in FIG. 19 is pulled in the direction of arrow G shown in FIG.

  Thus, in an emergency, the downward tension applied to the second portion 36C of the lock wire 36 is input to the automatic closing device 32, and the slide member 120 of the automatic closing device 32 is moved from the position I to the J position. Retreat to the position (see FIG. 18). As a result, the brake means 19 of the switch 13 is turned on, and the shutter curtain 1 that has reached the fully closed position stops the closing movement due to its own weight. That is, the delivery of the shutter curtain 1 from the winding shaft 11 is stopped.

  On the other hand, as described above, since the automatic closing device 32 does not operate in the normal time, the brake means 19 of the switch 13 when the shutter curtain 1 reaches the fully closed position is turned on as described above. In addition, this is performed by the switch drive control circuit 28 of the control device 27. That is, when the shutter curtain 1 that is being closed moves to the fully closed position, a switch drive control circuit 28 to which a signal from a fully closed limit switch 182 (see FIG. 4) that is a sensor that detects the fully closed position is input. As a result, the energization of the solenoid 24 shown in FIG. 3 is cut off, and the brake means 19 is turned on by the spring 23. Thereby, the electrically closed movement of the shutter curtain 1 that has reached the fully closed position stops.

  FIG. 34 is a view showing the operation blocking means according to another embodiment, and the lower guide rail and the left and right guide rails for guiding the opening and closing movement of the shutter curtain 1 when the shutter curtain 1 reaches the fully closed position. 6 is a front sectional view of FIG. In FIG. 34, the display of the curtain main body 1A constituting the curtain main portion 71A is omitted.

  In the following description, the operation blocking means described above is referred to as an operation blocking means according to the first embodiment, and the operation blocking means shown in FIG. 34 is referred to as an operation blocking means according to the second embodiment. Further, in each drawing used for explaining the operation preventing means according to each of the following embodiments, the same members and apparatuses as those shown in the embodiment of FIGS. The description of the shape, structure, action, etc. is omitted.

  As shown in FIG. 34, a columnar member 310 is erected on the floor 4 that is a stationary member inside the left and right guide rails 6, and the shutter curtain 1 is placed on the upper surface portion 310 A of each columnar member 310. Both ends 71C in the width direction of the shutter curtain 1 at the end on the closing side of the curtain main portion 71A can be placed (in other words, contactable).

  The height dimension H of each columnar member 310 shown in FIG. 34 is also shown in FIG. As described above, FIG. 10 shows the upper surfaces of the projecting portions 76A and 76B in which the extending portions 79A and 79B of the rising portion 79 of the movable portion 70B of the seat plate 1B are formed at the lower end of the inner member 76 of the fixed portion 70A. It is a figure which shows the state which got on (it mounted), in other words, it is a figure which shows the state before the curtain auxiliary | assistant part 71B moves upwards with respect to the curtain main part 71A. Therefore, as shown in FIG. 10, the height dimension H of the columnar member 310 shown in FIG. 34 is the movable part 70B of the seat plate 1B in the state before the curtain sub part 71B moves upward with respect to the curtain main part 71A. The height dimension H from the lower surface of the projecting portion 75C formed at the lower end of the split member 75B constituting the outer member 75 of the inner and outer members 75, 76 forming the fixing portion 70A of the seat plate 1B. It has become.

  For this reason, in this embodiment, when the curtain sub-portion 71B of the shutter curtain 1 that is being closed is in contact (contact) with the floor 4, this is when the shutter curtain 1 reaches the fully closed position. At this time, both end portions 71C in the width direction of the curtain main portion 71A are placed on the upper surface portion 310A of the columnar member 310 erected on the floor 4 inside the left and right guide rails 6. .

  Thereby, the descent of the curtain main portion 71A is prevented, and the curtain sub-portion 71B is also prevented from moving upward (in the opening movement direction of the shutter curtain 1) with respect to the curtain main portion 71A. This prevents the first and second lever members 61 and 62 from swinging, and the locking wire 36 is attached to the friction member 67 attached to the first lever member 61 and the second lever member 62. The friction member 68 prevents the folded portion 36A of the locking wire 36 from being clamped and locked.

  As described above, in the present embodiment, the operation preventing means is the upper surface portion 310 </ b> A of the columnar member 310 that is erected on the floor 4 that is a stationary member inside the left and right guide rails 6. That is, the upper surface portion 310A of the left and right columnar members 310 is provided at a position closer to the opening side than the fully closed position of the shutter curtain 1 on the floor 4, and the curtain sub portion 71B of the shutter curtain 1 being closed is fully closed. When moved to the position, both ends 71C in the width direction (left-right direction) of the shutter curtain 1, which is a direction orthogonal to the opening / closing movement direction (vertical direction) of the shutter curtain 1 at the end on the closing side of the curtain main portion 71A, It becomes the to-be-contacted part which contacts. For this reason, in the operation preventing means according to the present embodiment (second embodiment), unlike the operation preventing means according to the first embodiment described above, the third lever member 250 that is the third swing member is unnecessary. It has become.

  Similarly to the first embodiment described above, a cylindrical member 280 as an abutting member is inserted and fixed to the locking wire 36, and this cylindrical member 280 is fed out from the reel 40 in the locking wire 36. It is a portion, and is inserted and fixed at a position closer to the reel 40 than the case 55 which is a storage member for storing the mechanical coupling device 39. Further, the diameter dimension of this cylindrical member 280 (in other words, the width dimension in the direction (left-right direction) orthogonal to the opening / closing movement direction (vertical direction) of the shutter curtain 1 is given to the upper surface portion 55B of the case 55 of the mechanical coupling device 39. It is larger than the width dimension which is the dimension in the direction orthogonal to the longitudinal direction of the long hole 56 which is the formed through hole (thickness direction of the shutter curtain 1), in other words, inserted and fixed to the lock wire 36. The cylindrical member 280 has a diameter dimension that can be locked (capable of being caught) at the peripheral edge of the long hole 56 formed in the case 55 of the mechanical coupling device 39.

  As shown in FIG. 34, when the curtain sub-part 71B of the shutter curtain 1 comes into contact with the floor 4, that is, when the shutter curtain 1 is moved to the fully closed position, the cylindrical member 280 is mechanically coupled. 39 is in contact with the peripheral edge of the long hole 56 formed in the upper surface portion 55B of the case 55.

  As a result, downward tension acts on the second portion 36C of the locking wire 36. Therefore, in an emergency, as in the first embodiment, the second portion 36C of the locking wire 36 is applied to the second portion 36C. The applied downward tension force is input to the automatic closing device 32, and the slide member 120 of the automatic closing device 32 is retracted from the position I to the position J (see FIG. 18). As a result, the brake means 19 of the switch 13 is turned on, and the shutter curtain 1 that has reached the fully closed position stops the closing movement due to its own weight.

  On the other hand, at the normal time, as in the first embodiment described above, when the shutter curtain 1 that is being moved to the closed position reaches the fully closed position, a fully closed limit switch 182 that is a sensor that detects the fully closed position (FIG. 4), the energization of the solenoid 24 shown in FIG. 3 is interrupted, and the brake means 19 is turned on by the spring 23. As a result, the closing movement of the shutter curtain 1 that has reached the fully closed position stops.

  In the present embodiment, the contacted portion that is the operation blocking means is the upper surface portion 310A of the columnar member 310 that is erected on the floor 4, but extends in the horizontal direction, and the height position of the upper surface portion. May be attached to the inside of the left and right guide rails 6 and the upper surface portion of the protruding piece portion may be a contacted portion.

  In this embodiment, when the curtain sub-part 71B of the shutter curtain 1 comes into contact with the floor 4, the fully closed position of the shutter curtain 1 is set. It is preferable to apply this method when sealing properties such as an opening by the reached shutter curtain 1 are not required.

  On the other hand, when the airtightness of the opening or the like by the shutter curtain 1 reaching the fully closed position is required to some extent, the curtain sub-portion 71B of the shutter curtain 1 abuts against the floor 4 so that the first and second The lever members 61 and 62 are swung, and the curtain main portion 71A generated by the lowering of the curtain main portion 71A is just before the first and second lever members 61 and 62 perform the clamping and locking of the portion 36A of the lock wire 36. The time when the curtain sub-portion 71B is raised relative to the portion 71A may be the fully closed position of the shutter curtain 1.

  FIGS. 35-37 is a figure which shows the operation | movement prevention means based on further another embodiment (3rd Embodiment).

  FIG. 35 is a view similar to FIG. 1 showing an overall front view of the shutter device provided with the operation blocking means according to the present embodiment. 36 and 37 are views similar to FIG. 34, which is a front sectional view of the right guide rail 6 that guides the opening and closing movement of the shutter curtain 1, in the vicinity of the right end of the lower portion of the shutter curtain 1. 36 is a diagram showing a state immediately before the operation preventing means according to the present embodiment is activated, and FIG. 37 is a diagram showing a state where the shutter curtain 1 is closed and moved to the fully closed position. 36 and 37, the display of the curtain main body 1A constituting the curtain main portion 71A is omitted.

  As shown in FIG. 36, in the present embodiment, as in the first embodiment described above, the mechanical coupling device 39 includes a third swing member that can swing around a fulcrum shaft 270. A third lever member 350 is attached. Hereinafter, differences of the third lever member 350 from the third lever member 250 according to the first embodiment will be described.

  As shown in FIG. 36, in this embodiment, the third lever member 350 formed by bending a plate material is inserted and fixed to the locking wire 36, unlike the third lever member 250 according to the first embodiment. There is no bifurcated portion 253C with which the cylindrical member 280 is in contact. In addition, in the lower part of the base 351 of the third lever member 350 corresponding to the central portion 251 of the third lever member 250 according to the first embodiment, similarly to the third lever member 250 according to the first embodiment, A first downward extending portion 251A and a second downward extending portion 251B extending downward are formed.

  The tip 252 of the base 351 of the third lever member 350 (same as one end 252 (the right end in FIG. 26) of both ends in the longitudinal direction of the third lever member 250 according to the first embodiment) Is provided with an arm portion 353 extending in the width direction of the shutter curtain 1, which is a direction orthogonal to the opening / closing movement direction of the shutter curtain 1. The distal end portion 353A of the arm portion 353 reaches the inside of one of the left and right guide rails 6 (the right guide rail 6 in FIGS. 35 to 37). As shown in FIG. 35, in this embodiment, in order to shorten the length of the arm portion 353, the mechanical coupling device 39 to which the third lever member 350 is attached is the same as the first embodiment described above. Compared with the mechanical coupling device 39 (see FIG. 1), the mechanical coupling device 39 is disposed at a position close to the guide rail 6.

  Further, as shown in FIGS. 35 to 37, a vertical extension that extends vertically in the opening / closing movement direction of the shutter curtain 1 is located at a position closer to the opening side than the fully closed position of the shutter curtain 1 inside the guide rail 6. A vertical cross-sectional shape including a protruding portion 361 and a horizontal extending portion 362 that extends horizontally from the upper end portion of the vertical extending portion 361 in the thickness direction of the shutter curtain 1 (the front side in FIGS. 36 and 37). An inverted L-shaped plate member 360 is attached by a fastening member 363 such as a screw. As shown in FIGS. 36 and 37, the guide rail 6 has a plurality of screw holes 6A into which the fasteners 363 are screwed in at regular intervals in the opening / closing movement direction of the shutter curtain 1. Are provided apart from each other. For this reason, the height position of the board | plate material 360 attached to the inside of the guide rail 6 can be adjusted now.

  As can be seen from FIGS. 35 and 36, the arm portion 353 of the third lever member 350 in which the horizontal posture is maintained until the shutter curtain 1 reaches the fully closed position is more than the horizontal extension portion 362 of the plate member 360. Is also arranged on the open side (upper side) of the shutter curtain 1. During the opening / closing movement of the shutter curtain 1, the end portion 71 </ b> C in the width direction of the curtain main portion 71 </ b> A that is slidably inserted into the guide rail 6 does not interfere with the plate member 360. In other words, the plate member 360 is disposed at a position that does not interfere with the end portion 71C in the width direction of the curtain main portion 71A of the shutter curtain 1 that is being opened and closed.

  As shown in FIG. 36, after the end portion 70C in the width direction of the curtain main portion 71A of the shutter curtain 1 in the closing movement passes through the plate member 360, the arm portion 353 of the third lever member 350 is maintained in the horizontal posture. The lower surface of the front end portion 353 </ b> A comes into contact with the horizontally extending portion 362 of the plate member 360. As a result, the third lever member 350 swings in the arrow R direction (see FIG. 36) about the fulcrum shaft 270. As shown in FIG. 37, the swing of the third lever member 350 is performed until the shutter curtain 1 reaches the fully closed position. At this time, the swing amount of the third lever member 350 is maximized. In the present embodiment, when the shutter curtain 1 reaches the fully closed position (when the shutter curtain 1 moves to the fully closed position), as in the first embodiment described above, FIG. 11 shows. Thus, when the relative rise of the curtain sub-portion 71B with respect to the curtain main portion 71A reaches the movement limit.

  When the third lever member 350 swings, the third lever member 350 in which the hook portion 252A is engaged with the distal end portion 61C of the first lever member 61 causes the first lever member 61 and the locking wire 36 to be connected. It is swung in a direction opposite to the direction in which the pinch lock is performed (the opening movement direction of the shutter curtain 1). Accordingly, the portion 36A of the lock wire 36 is formed by the friction member 67 attached to the first lever member 61 and the friction member 68 attached to the second lever member 62, so that the folded portion of the lock wire 36 is folded. 36A is prevented from being clamped and locked.

  For this reason, in this embodiment, the operation preventing means includes a horizontal extension of the third lever member 350, which is a third swinging member having the arm portion 353 and the hook portion 252A, and the plate member 360 attached to the inside of the guide rail 6. And a projecting portion 362. The upper surface portion of the horizontal extension portion 362 of the plate member 360 is in contact with the lower surface of the distal end portion 353A of the arm portion 353 of the third lever member 350 until the shutter curtain 1 is closed and moved to the fully closed position. It has become.

  As in the second embodiment described above, the cylindrical member 280 inserted and fixed to the locking wire 36 is mechanically coupled when the shutter curtain 1 reaches the fully closed position as shown in FIG. 39 is in contact with the peripheral edge portion of the long hole 56 formed in the upper surface portion 55B of the case 55, which is a storage member for storing 39.

  As a result, downward tension acts on the second portion 36C of the locking wire 36. Therefore, in an emergency, the second portion of the locking wire 36 is the same as in the first and second embodiments described above. Since the downward tension applied to the portion 36C is input to the automatic closing device 32, the brake means 19 of the switch 13 is turned on. As a result, the shutter curtain 1 that has reached the fully closed position closes and stops moving.

  On the other hand, at the normal time, as in the first and second embodiments described above, when the shutter curtain 1 that is being closed and moved reaches the fully closed position, a fully closed limit switch that is a sensor that detects the fully closed position. The switch drive control circuit 28 to which a signal from 182 (see FIG. 4) is input cuts off the energization to the solenoid 24 shown in FIG. 3, and the brake means 19 is turned on by the spring 23. As a result, the closing movement of the shutter curtain 1 that has reached the fully closed position stops. In this embodiment, as described above, the fully closed limit switch 182 operates because the relative rise of the curtain sub-portion 71B relative to the curtain main portion 71A moves as in the first embodiment described above. When the limit is reached.

  FIG. 38 is a view showing an operation preventing means according to still another embodiment (fourth embodiment), and when the shutter curtain 1 reaches the fully closed position (the curtain sub part 71B of the shutter curtain 1 is the floor 4). FIG. 35 is a view similar to FIG.

  The operation blocking means according to the present embodiment is a modification of the operation blocking means (see FIG. 34) according to the second embodiment described above. Hereinafter, differences from the operation preventing unit according to the second embodiment will be described.

  As can be seen from FIG. 38, in this embodiment, a columnar member 310 is provided which is erected on the floor 4 inside the left and right guide rails 6 which are operation preventing means according to the second embodiment shown in FIG. However, the cylindrical member 280 is inserted and fixed to the locking wire 36 as in the second embodiment.

  As in the second embodiment described above, in this embodiment as well, the cylindrical member 280 has a mechanical coupling device when the curtain sub-portion 71B of the shutter curtain 1 abuts against the floor 4, as shown in FIG. 39 is in contact with the peripheral edge portion of the long hole 56 formed in the upper surface portion 55B of the case 55, which is a storage member for storing 39.

  As a result, downward tension acts on the second portion 36C of the locking wire 36. Therefore, in an emergency, the first portion of the locking wire 36 is the same as in the first to third embodiments. Since the downward tension applied to the two portions 36C is input to the automatic closing device 32, the brake means 19 of the switch 13 is turned on. As a result, the shutter curtain 1 that has reached the fully closed position closes and stops moving.

  Accordingly, as in the second embodiment, at the same time that the curtain sub-portion 71B of the shutter curtain 1 comes into contact with the floor 4, the shutter curtain 1 stops closing, and the curtain main portion of the curtain sub-portion 71B is stopped. The movement with respect to 71A is not performed.

  As a result, the friction member 67 attached to the first lever member 61 and the friction member 68 attached to the second lever member 62 prevent the portion 36A of the locking wire 36 from being clamped and locked. .

  Therefore, in this embodiment, the operation preventing means is a cylindrical member 280 inserted and fixed to the locking wire 36, and this cylindrical member 280 is closed by the shutter curtain 1 in an emergency and stopped moving. It is also a member for. Note that the method of stopping the closing movement of the shutter curtain 1 in the normal state is the same as in the first to third embodiments described above.

  Therefore, in the second embodiment described above, when the shutter curtain 1 reaches the fully closed position, the friction member 67 attached to the first lever member 61 and the friction member 68 attached to the second lever member 62. The blocking of the portion 36A of the lock wire 36 due to the above is performed by placing (contacting) the end portion 71C in the width direction of the curtain main portion 71A of the shutter curtain 1 on the two columnar members 310. This is also performed by the cylindrical member 280 inserted and fixed in the locking wire 36 coming into contact with the peripheral edge of the long hole 56 of the case 55 of the mechanical coupling device 39. Thus, in 2nd Embodiment, prevention of the pinching lock of the wire 36 for a lock | rock is performed by the operation | movement prevention means of 2 systems.

  As in the second embodiment, in the present embodiment (fourth embodiment), when the curtain sub-portion 71B of the shutter curtain 1 comes into contact with the floor 4, the shutter curtain 1 is fully closed. However, it is preferable to apply such a setting of the fully closed position when sealing properties such as an opening by the shutter curtain 1 reaching the fully closed position are not required.

  On the other hand, when the airtightness of the opening or the like by the shutter curtain 1 reaching the fully closed position is required to some extent, the curtain sub-portion 71B of the shutter curtain 1 abuts against the floor 4 so that the first and second The lever members 61 and 62 are swung, and the curtain main portion 71A generated by the lowering of the curtain main portion 71A is just before the first and second lever members 61 and 62 perform the clamping and locking of the portion 36A of the lock wire 36. The time when the curtain sub-portion 71B is raised relative to the portion 71A may be the fully closed position of the shutter curtain 1.

  In the embodiment described above, when the seat plate 1B of the shutter curtain 1 is in contact with the obstacle 34 shown in FIG. 35 while the shutter curtain 1 is electrically closed, the obstacle 34 is detected electrically. The electric obstacle detection device, which is an electric obstacle detection means, is composed of the mechanical obstacle detection device 35 shown in FIG. 5 and the like and the micro switch 170 shown in FIG. As is known in the art, this electric obstacle detection device is disposed in the main part of the opening and closing body, and the opening and closing body sub-part abuts against the obstacle during the downward closing movement of the opening and closing body. The opening / closing body sub-portion may be a micro switch that operates by moving upward with respect to the opening / closing body main portion (see, for example, JP-A-8-105280).

  In the switchgear provided with this electric obstacle detection device, the main part of the switchgear is connected to a microswitch, and a transmitter for transmitting (sending) an obstacle detection signal when this microswitch is activated. The stationary member facing the transmitter is provided with a receiver for receiving the obstacle detection signal transmitted from the transmitter, and the receiver that has received the obstacle detection signal is An obstacle detection signal is transmitted to the control device, whereby the control device stops the forward drive of the electric motor means of the switch and turns on the brake means in order to stop the closing movement of the opening and closing body (after this, , And so on) may be executed.

  By the way, even when the opening / closing body reaches the fully closed position, the opening / closing body sub-part abuts against the floor which is the counterpart member, so that the opening / closing body sub-part moves upward with respect to the opening / closing body main part. When the microswitch is activated, the durability of the microswitch operating member (actuator) may be reduced. In particular, when the opening / closing device has a function as a management opening / closing device in which the opening / closing movement of the opening / closing body is performed on a daily basis, the risk of a decrease in the durability of the operating member becomes significant. . In addition, the micro switch is activated each time the opening / closing body reaches the fully closed position, so that the micro switch, the transmitter, the receiver, and the like consume useless power.

  For this reason, in the switchgear provided with the electric obstacle detection device described above, when the opening / closing body reaches the fully closed position, the operation of the microswitch that is the electric obstacle detection device (more specifically, To prevent the microswitch operating member from directly contacting the opening / closing body sub-portion, or indirectly contacting the opening / closing body sub-portion via another member provided in the opening / closing body main portion). It is preferable to provide an operation preventing means.

  The type and structure of the operation blocking means may be arbitrary, and an example thereof is the full closure of the opening / closing body on an immovable member that is immovable relative to the opening / closing body or an immovable member different from the immovable member. Provided in a position closer to the opening side than the position, and when the opening / closing body is closed and moved to a fully closed position, the opening / closing body is in a direction orthogonal to the opening / closing movement direction of the opening / closing body at an end of the opening / closing body main portion. It is a to-be-contacted part which the both ends of the width direction of an opening-and-closing body contact | abut.

  Here, “when the opening / closing body is closed and moved to the fully closed position” means that the opening / closing body opens / closes from when the opening / closing body sub-part of the opening / closing body abuts (contacts) the mating member to just before the microswitch is activated. The range until the body sub part moves in the opening movement direction of the opening / closing body with respect to the opening / closing body main part.

  In this example of the operation preventing means, when the opening / closing body is closed and moved to the fully closed position, both end portions in the width direction of the opening / closing body main part are brought into contact with the contacted portion, whereby the opening / closing body sub-part is closed. Also stop. As a result, the opening / closing body sub-part cannot move in the opening / closing direction of the opening / closing body with respect to the opening / closing body main part. As a result, the operation of the microswitch is blocked.

  The immovable member provided with the contacted portion or the immovable member different from the immovable member may be any member as long as it is a member that is immovable with respect to the opening / closing body that opens and closes. Members that form the outer frame of the opening such as the doorway that is opened and closed by the opening and closing body (including the floor of the opening), the floor of the indoor space in which the disaster prevention section is formed by the opening and closing body that is closed and moved to the fully closed position, A guide member for guiding the opening / closing movement of the opening / closing body, a structure housing for the opening / closing device, a housing for a structure such as a building in which the opening / closing device is installed, and the like.

  Further, the shape and structure of the contacted portion may be arbitrary as long as both end portions in the width direction of the main body of the opening / closing body can be in contact with each other. It may be a protruding piece projecting in the width direction of the main part of the opening / closing body, or may be an extending part extending from the stationary member or a stationary member different from this stationary member to the opening side (opening movement direction) of the opening / closing body. . In the latter case, both end portions in the width direction of the opening / closing body main part are brought into contact with the end surface of the opening portion of the opening / closing body in the extending portion.

  As a specific example of the above-described electric obstacle detection device, the electric obstacle detection device is disposed inside the inner member 76 of the inner and outer members 75 and 76 forming the fixing portion 70A of the seat plate 1B shown in FIG. A micro switch having an actuator (push button type or hinge / lever type) that is an operating member that abuts on a swinging member 81 that swings by moving upward with respect to the curtain main portion 71A. Can do.

  Note that the transmitter that transmits the obstacle detection signal to the receiver when the microswitch is activated is provided on the upper surface of the split member 75A of the outer member 75 shown in FIG. 10, for example, and is transmitted from the transmitter. For example, the receiver that receives the detection signal may be provided at a position facing the transmitter in the lintel 16A shown in FIG. Further, the transmission of the obstacle detection signal from the transmitter to the receiver may be wireless or wired (for example, a cord reel method).

  Further, when the shutter curtain 1 is closed and moved to the fully closed position, the operation of the micro switch as the electric obstacle detection device (more specifically, the actuator of the micro switch comes into contact with the swing member 81). As a specific example of the operation blocking means for blocking the movement, as described above, when the shutter curtain 1 is closed and moved to the fully closed position, the operation of the first lever member 61 and the second lever member 62 that are the operation members is blocked. It is possible to apply the upper surface portion 310A of the columnar member 310 erected on the floor 4 which is a stationary member inside the left and right guide rails 6 shown in FIG. it can.

  That is, as described above, as shown in FIG. 34, the columnar members 310 are erected on the floor 4 that is a stationary member inside the left and right guide rails 6, and the upper surface portion of each columnar member 310. Both end portions 71C in the width direction of the shutter curtain 1 at the closing side end portion of the curtain main portion 71A of the shutter curtain 1 can be placed on 310A (in other words, contactable).

  As described above, the height dimension H of each columnar member 310 shown in FIG. 34 is also shown in FIG. Further, as described above, in FIG. 10, the projecting piece portions 76A and 76B in which the extending portions 79A and 79B of the rising portion 79 of the movable portion 70B of the seat plate 1B are formed at the lower end of the inner member 76 of the fixed portion 70A. It is a figure which shows the state mounted in the upper surface of this, and in other words is a figure which shows the state before the curtain sub-part 71B moves upwards with respect to the curtain main part 71A. Therefore, as shown in FIG. 10, the height dimension H of the columnar member 310 shown in FIG. 34 is the movable part 70B of the seat plate 1B in the state before the curtain sub part 71B moves upward with respect to the curtain main part 71A. The height dimension H from the lower surface of the projecting portion 75C formed at the lower end of the split member 75B constituting the outer member 75 of the inner and outer members 75, 76 forming the fixing portion 70A of the seat plate 1B. It has become.

  For this reason, the time when the curtain sub-part 71B of the shutter curtain 1 in the closed movement abuts (contacts) the floor 4 is when the shutter curtain 1 reaches the fully closed position. Both end portions 71 </ b> C in the width direction of 71 </ b> A are placed on the upper surface portion 310 </ b> A of the columnar member 310 erected on the floor 4 inside the left and right guide rails 6.

  Thereby, the descent of the curtain main part 71A is prevented, and the curtain sub part 71B is also prevented from moving upward with respect to the curtain main part 71A. As a result, the swinging member 81 is also prevented from swinging, and as a result, the microswitch actuator is prevented from coming into contact with the swinging member 81. That is, the operation of the microswitch is blocked.

  For this reason, it is possible to prevent the durability of the actuator of the micro switch from being lowered, and the micro switch is activated each time the shutter curtain reaches the fully closed position, so that the micro switch, transmitter, receiver, etc. Can be prevented from consuming wasteful power.

  In this way, the operation of the electric obstacle detection device is performed on the upper surface portion 310A of the columnar member 310 standingly arranged on the floor 4 which is a stationary member inside the left and right guide rails 6 shown in FIG. It can be set as the operation | movement blocking means for blocking. That is, the upper surface portion 310A of the left and right columnar members 310 is provided at a position closer to the opening side than the fully closed position of the shutter curtain 1 on the floor 4, and the curtain sub portion 71B of the shutter curtain 1 being closed is fully closed. When moved to the position, both ends 71C in the width direction of the shutter curtain 1, which is a direction orthogonal to the opening / closing movement direction of the shutter curtain 1, at the end on the closing side of the curtain main portion 71A become contacted portions. Yes.

  It should be noted that the shutter device provided with the operation blocking means according to the embodiment shown in FIG. 35 to FIG. 37 described above also includes the above-described electric obstacle detection device (the shutter curtain 1 during the electric closing movement of the shutter curtain 1). A micro switch having an actuator that abuts on a swinging member 81 that swings when the curtain sub-portion 71B moves upward with respect to the curtain main portion 71A when the seat plate 1B contacts the obstacle. Can be prepared.

  When the shutter curtain 1 reaches the fully closed position of the arm portion 353 of the third lever member 350 shown in FIGS. 36 and 37 and the horizontally extending portion 362 of the plate member 360 attached to the inside of the guide rail 6. In addition, it can be an operation blocking means for blocking the operation of the microswitch which is the electric obstacle detection device described above (more specifically, the actuator of the microswitch abuts against the swing member 81). .

  That is, for example, the arm portion 353 shown in FIG. 36 has a shape and dimensions that are long in a direction including a component in the opening / closing movement direction (vertical direction) of the shutter curtain 1, and the curtain main portion 71A (fixing portion of the seat plate 1B). A micro switch is provided which is inserted into a through hole formed in the inner and outer members 75, 76) forming 70 </ b> A so that the actuator can come into contact with the swing member 81.

  According to this, as described above, since the arm portion 353 is held in a horizontal posture until the shutter curtain 1 reaches the fully closed position, the arm portion 353 is seated on the shutter curtain 1 while the shutter curtain 1 is electrically closed. When the plate 1B comes into contact with the obstacle 34 shown in FIG. 35, the actuator of the micro switch comes into contact with the swinging member 81 that swings when the curtain sub-part 71B moves upward with respect to the curtain main part 71A. . As a result, the microswitch is activated. That is, when the seat plate 1B of the shutter curtain 1 is in contact with the obstacle 34 until the shutter curtain 1 that is electrically closed and moved reaches the fully closed position, the contact with the obstacle 34 is electrically performed by the microswitch. Detected.

  On the other hand, as described above, as shown in FIG. 36, the horizontal posture is maintained after the end portion 70C in the width direction of the curtain main portion 71A of the shutter curtain 1 in the closing movement passes through the plate member 360. The lower surface of the distal end portion 353A of the arm portion 353 of the three lever member 350 comes into contact with the horizontal extending portion 362 of the plate member 360, and the third lever member 350 has an arrow R direction centered on the fulcrum shaft 270 (see FIG. (See 36). As described above, the swing of the third lever member 350 is performed until the shutter curtain 1 reaches the fully closed position, as shown in FIG. 37. At this time, the swing amount of the third lever member 350 is the maximum. Become.

  When the third lever member 350 is swung, the micro switch disposed on the arm portion 353 of the third lever member 350 is also swung, so that the actuator of the micro switch is separated from the swing member 81. become. As a result, after the end portion 70C in the width direction of the curtain main portion 71A of the shutter curtain 1 that is electrically closed and moved passes through the plate material 360, the microswitch is not moved until the shutter curtain 1 reaches the fully closed position. Operation will be blocked.

  The transmitter that transmits the obstacle detection signal to the receiver when the microswitch is activated is provided in the arm unit 353 shown in FIG. 36, and the receiver that receives the obstacle detection signal transmitted from the transmitter is For example, what is necessary is just to make it provide in the position facing the transmitter in the lintel 16A shown in FIG. Further, the transmission of the obstacle detection signal from the transmitter to the receiver may be wireless or wired (for example, a cord reel method).

  In addition, when the seat plate 1B of the shutter curtain 1 is in contact with the obstacle while the electric obstacle detection device (the shutter curtain 1 is electrically closed), the curtain sub-part 71B is in contact with the curtain main part 71A. This is an electric obstacle detection device when a micro switch having an actuator that contacts an oscillating member 81 that oscillates by moving upward or an operation blocking means (when the shutter curtain 1 reaches the fully closed position). The operation preventing means for preventing the operation of the micro switch (more specifically, the actuator of the micro switch coming into contact with the swing member 81) is a management for opening and closing an opening such as an entrance / exit. Dedicated shutter device for management, which is a dedicated switchgear (the above-mentioned mechanical obstacle detection device may or may not be equipped) Also even it is) to be applied.

  The above-described microswitch is indirectly connected to the curtain sub-part 71B when the actuator abuts on the swing member 81, that is, the actuator is another member provided on the curtain main part 71A. However, the microswitch has a curtain sub-part 71B (for example, the extension part of the rising part 79 of the movable part 70B shown in FIG. 10 which is the curtain sub-part 71B). 79B) may be operated by direct contact.

  INDUSTRIAL APPLICABILITY The present invention can be used for opening and closing devices such as various shutter devices, hinged door devices, sliding door devices, awning devices, and smoke-proof banner devices.

DESCRIPTION OF SYMBOLS 1 Shutter curtain which is an opening-closing body 4 A floor with a stationary member 6 A guide rail which is a guiding member 16 A lintel which is a stationary member 34 An obstacle 36 A U-shaped locking wire which is a string-like member and also serves as a bridging member 39 Machine Mechanical coupling device constituting the open / close body stop device 40 Reel of the first processing device which is a take-up device 55 Case which is a housing member 56 Long hole which is a through hole 61 First swing member which constitutes an operating member 1st lever member 62 2nd lever member which is the 2nd rocking member which constitutes an operation member 63 fulcrum shaft 67, 68 of the 1st and 2nd lever member Friction member 71A of the 1st and 2nd lever member Main part of an opening-and-closing body Curtain main portion 71B Curtain sub-portion 71C Opening / closing body sub-portion 71C Curtain main portion widthwise both ends 280 Cylindrical member 310A contact member The upper surface of the columnar member that is the contacted part

Claims (11)

An opening / closing body configured to include an opening / closing body main part and an opening / closing body sub-part movably provided with respect to the opening / closing body main part, and to be closed and movable;
A string member;
The opening / closing body is disposed on the opening / closing body, and the opening / closing body sub-part moves with respect to the opening / closing body main part by the contact of the opening / closing body sub-part with the obstacle during the closing movement of the opening / closing body. And a mechanical coupling device for mechanically coupling the string-like member,
Comprising
The mechanical coupling device is actuated by movement of the opening / closing body sub part with respect to the opening / closing body main part, and has an operating member for mechanically coupling the opening / closing body and the string-like member. In the opening / closing body stop device of the opening / closing device,
When the opening / closing body is closed and moved to the fully closed position, it comprises an operation blocking means for blocking the operation of the operating member;
The operation preventing means is provided at a position closer to the opening side than the fully closed position of the opening / closing body in the immovable member immovable with respect to the opening / closing body, and when the opening / closing body moves to the fully closed position. The opening / closing body is a contacted portion that contacts both ends of the opening / closing body in the width direction, which is a direction perpendicular to the opening / closing movement direction of the opening / closing body, at an end of the opening / closing body main part Opening / closing body stop device of the device.   2. The opening / closing body stop device for an opening / closing apparatus according to claim 1, wherein the contacted portion is provided inside a guide member for guiding opening / closing movement of the opening / closing body. Opening and closing body stop device.   3. The opening / closing body stop device for an opening / closing apparatus according to claim 2, wherein the immovable member is a floor on which a front end portion of the opening / closing body sub-portion abuts when the opening / closing body is closed and moved to a fully closed position. The abutment portion is an upper surface portion of a columnar member arranged upright on the floor inside the guide member.   3. The opening / closing body stopping device for an opening / closing device according to claim 2, wherein the immovable member is the guide member, and the contacted portion is an upper surface portion of a protruding piece portion provided inside the guide member. An opening / closing body stopping device for an opening / closing device.   The opening / closing body stop device for an opening / closing device according to any one of claims 1 to 4, wherein the operating member is a swinging member swingable about a fulcrum shaft. Body stop device.   6. The opening / closing body stop device for an opening / closing apparatus according to claim 5, wherein the rocking member includes a first rocking member and a second rocking member, and the obstruction member is in contact with the obstacle. When the opening / closing body sub-portion moves relative to the opening / closing body main part by contact, the first swinging member clamps and locks the string member together with the second swinging member. An opening / closing body stopping device for an opening / closing device, wherein the opening / closing body and the string-like member are mechanically coupled by locking.   7. The opening / closing body stopping device for an opening / closing device according to claim 6, wherein the first and second swinging members lock the string-like member by a friction member attached to these swinging members. An opening / closing body stopping device for an opening / closing device. In closing body stop device of the switching device according to claim 1, wherein the string member has a bridged portion between the stationary member and the front Symbol closing member, the closing body An opening / closing body stopping device for an opening / closing device, characterized in that the opening / closing body is a bridging member that moves with respect to the opening / closing body by the closing movement of the opening / closing device.   The opening / closing body stop device for an opening / closing device according to claim 8, wherein the string-like member has a U-shape in which a portion corresponding to the mechanical coupling device is a folded portion, and one of the string-like members An opening / closing body stopping device for an opening / closing device, characterized in that an end of the opening / closing device is connected to a winding device that winds up the string-like member so as to be unwound, and the winding device is disposed on the stationary member.   The opening / closing body stopping device for an opening / closing device according to claim 9, wherein the string-like member is a portion that is fed from the winding device and is closer to the winding device than the mechanical coupling device. An opening / closing body stop device for an opening / closing device, wherein a contact member that contacts a storage member for storing the mechanical coupling device when the body is moved to a fully closed position is fixed. 11. The opening / closing body stop device for an opening / closing apparatus according to claim 10, wherein the string-like member is inserted into a through-hole formed in the storage member and is orthogonal to the opening / closing movement direction of the opening / closing body of the contact member. The width dimension of the contact hole is larger than the diameter dimension of the through hole, and the contact member contacts the peripheral edge of the through hole when the opening / closing body is moved to the fully closed position. An opening / closing body stop device for the opening / closing device.

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