JP4057969B2 - Shutter device - Google Patents

Description

The present invention relates to a shutter equipment including overhead door.

Conventionally, this type of invention includes an opening / closing body that closes the housing opening by bringing the lower end into contact with the lower frame, and a guide rail that guides the widthwise end of the opening / closing body in the opening / closing direction, A key bar (sometimes referred to as a latch bar or the like) protruding from an end of the opening / closing body in the width direction is engaged with the guide rail when the opening / closing body is closed, thereby opening the opening / closing body. There is one that cannot be opened from the outside (see, for example, Patent Document 1).
In particular, the prior art described in Patent Document 1 includes a mechanism that is automatically locked when the opening / closing body is closed and is automatically unlocked when the opening / closing body is opened by a winding operation or the like. The invention is excellent in crime prevention and also in operability during locking and unlocking.

By the way, in recent years, in order to further improve crime prevention, it is required to have a plurality of locking mechanisms. However, when a plurality of locking mechanisms are simply provided, it is necessary to lock and unlock each of the plurality of locking mechanisms, so that the operability at the time of locking and unlocking is deteriorated.
Further, when a plurality of locking mechanisms of the same type are simply provided, the engagement structures of the plurality of locking mechanisms are substantially the same. There is a risk that the tablet will be unlocked or broken sequentially due to forcible deformation.
JP-A-11-93551

The present invention has been made in view of the above-described conventional circumstances, and a problem to be solved by the shutter is that it is possible to improve crime prevention performance by a plurality of locking mechanisms, and in addition, a shutter with good operability during unlocking and locking. To provide an apparatus .

One means for solving the above-described problems is that in the locking structure of the opening / closing device, the engaging member protruding and retracting from the opening / closing body is engaged with and disengaged from the fixing member that cannot move in the opening / closing direction with respect to the opening / closing body. The body is provided with a plurality of types of locking mechanisms with different engagement directions of the engaging members, and the interlocking member is configured to interlock at least one of the locking operation and the unlocking operation over the plurality of types of locking mechanisms. Is provided.

Here, the opening / closing device to which the locking structure related to the one means is applied means a device that partitions or opens the space by the opening / closing operation of the opening / closing member, and the opening / closing member only opens the opening / closing device. A mode in which the opening / closing body performs only a closing operation, a mode in which the opening / closing body performs both an opening operation and a closing operation, and the like.

  The opening / closing direction of the opening / closing body is preferably a substantially vertical direction, and more preferably the closing direction is a descending direction, but it may be a substantially horizontal direction or an oblique direction.

Further, in the present specification, the “opening / closing direction of the opening / closing body” or “opening / closing body opening / closing direction” means a direction in which the opening / closing body opens and closes and is not a width direction or a thickness direction of the opening / closing body. The same expression also has the same meaning.
The “opening / closing body width direction” or “opening / closing body width direction” means a direction substantially orthogonal to the opening / closing body opening / closing direction and not the thickness direction of the opening / closing body, and is described below. Similar expressions also have the same meaning.

  As specific examples of the opening and closing body, an opening and closing body in which a plurality of slats and pipes are continuously provided in the opening and closing direction, a panel in which one or a plurality of slats and pipes are continuously provided, a sheet-like object, and an opening and closing body made of a net-like object, Or the opening / closing body etc. which combine a slat, a panel, a pipe, a sheet-like thing, a net-like thing etc. suitably are mentioned.

The engaging member is a member configured in each of the plurality of types of locking mechanisms, and the fixing member is configured to prevent the opening / closing body from moving in at least one of an opening direction and a closing direction. Any member may be used as long as it is engaged with or released from the engaged state.
As a specific example of the engagement member, the engagement member is provided on the end side in the closing direction of the opening / closing body, and is engaged / disengaged with respect to a frame member that is in contact with the opening / closing body, the ground, a floor surface, a wall surface, or the like. Examples include an aspect in which the opening / closing body is engaged with and disengaged from a guide rail that is provided on the end side in the width direction of the opening / closing body and guides the opening / closing body in the opening / closing direction.

  The fixing member may be a member that is relatively stationary with respect to the opening / closing body that opens and closes. The fixing member includes a guide rail that guides the opening / closing body in the opening / closing direction, and the opening / closing member. Examples include a frame member that comes into contact with the body, a ground surface, a floor surface, a wall surface, a driving object on which the opening / closing device is installed, a storage case that stores the opening / closing body when opened.

Further, the plurality of types of locking mechanisms may be a plurality of locking mechanisms having different engaging and retracting directions of the engaging member.
As a specific example of the configuration in which the “intrusion direction of the engagement member is different”, an aspect in which the engagement member protrudes and retracts in an opening / closing body opening / closing direction from an end portion in the closing direction of the opening / closing body, and a width direction of the opening / closing body Examples include an aspect in which the engaging member protrudes and retracts from the end in the opening / closing body width direction, and an aspect in which the engaging member protrudes and retracts from the opening / closing body in the opening / closing body thickness direction.
And the said multiple types of locking mechanism is a structure provided with at least 2 or more types of locking mechanisms from which the protrusion direction of the said engagement member differs like the said specific example.

  Further, the interlocking member is an operation of the plurality of types of locking mechanisms provided over the plurality of types of locking mechanisms so as to mechanically interlock at least one of the locking operation and the unlocking operation. It is a member to be.

In another means , the interlocking member comprises a tension transmitting member that transmits only the force in the pulling direction without transmitting the force in the compressing direction, and the interlocking member is an interlocking member of the plurality of types of locking mechanisms. The unlocking operation of the source side locking mechanism is provided so as to be transmitted to the interlocking side locking mechanism by the force in the pulling direction.

Here, a specific example of the tension transmitting member includes a flexible member that is bent by a force in a compression direction and pulled by a force in a pulling direction. Preferable specific examples of the flexible member include a flexible string member made of natural fiber or synthetic fiber, a flexible metal member such as wire or wire, other natural fiber, synthetic fiber, etc. Examples thereof include a belt-like member or a long member made of a flexible material such as a fiber, a rubber material, or an elastic synthetic resin material.
Other specific examples of the tension transmitting member include a member (nested member) that can be expanded and contracted by sliding a plurality of tubular members that are overlapped on the inside and outside, and a telescopic member. A bellows-like member etc. are mentioned. The tension transmission member of these aspects may be used so that tension acts when the whole is fully extended, and contracts when a force in the compression direction is applied.

The locking mechanism on the interlocking source side means a locking mechanism serving as an operation source for transmitting at least one of a locking operation and an unlocking operation to another locking mechanism.
The interlocked side locking mechanism means a locking mechanism on the side that operates in conjunction with the operation of the interlocking source side locking mechanism.

In another means , at least one of the plurality of types of locking mechanisms is provided with a pulling member for pulling the opening / closing body in the closing direction so as to operate the locking mechanism. It is characterized by being.

The pulling member is a long member that closes the opening / closing body by pulling the other end side in the opening / closing body closing direction by a hand or the like with one end side engaged with the opening / closing body. If it is.
The pulling member is provided in advance with the opening / closing body so as to move in the opening / closing body opening / closing direction together with the opening / closing body, or the opening / closing body is separated from the opening / closing body and closes the opening / closing body. The mode etc. which are engaged with the said opening-closing body when making it include are included.
The pulling member includes an aspect formed from a rigid material and an aspect formed from a flexible material.

In another means , the interlocking member is provided between a locking mechanism provided with the pulling member and a locking mechanism provided with the pulling member, and the locking mechanism provided with the pulling member. Is provided with an interlocking auxiliary member that transmits the operation when pushed by the engaging member to the interlocking member, and the engagement member is between the engaging member and the interlocking auxiliary member. A play space portion is provided so as to abut against the interlocking assisting member and move the interlocking assisting member after the interval movement.

Here, the interlocking auxiliary member is a member provided so as to be pushed and moved by the engaging member, and is a member provided so as to transmit the operation when the pushing is moved to the interlocking member. is there. The configuration of being pushed and moved includes a mode in which the interlocking auxiliary member is pushed and moved so as to perform a substantially linear motion, a mode in which the interlocking auxiliary member is pushed and moved so as to perform a substantially rotational motion, and the like.
The play space portion is a space portion that is secured so as to move by a predetermined distance before the engagement member is brought into contact with the interlocking auxiliary member.
The configuration of the predetermined interval movement includes an aspect that is movement by substantially linear motion, an aspect that is movement by substantially rotational movement, and the like.

In another means , the pulling member is the interlocking member, and is provided over the plurality of types of locking mechanisms so as to operate the plurality of types of locking mechanisms.

This means is configured such that the pulling member acts as the interlocking member that interlocks the plurality of types of locking mechanisms.
As a specific example of this means , one end side of the pulling member is formed in a plurality of branches, and each branching portion is locked to each locking mechanism, thereby operating the plurality of types of locking mechanisms substantially simultaneously. The aspect made like this is mentioned.
As another specific example, the puller member is formed in a long shape by a flexible member, and the one end side of the puller member is operated at the same time so that the plurality of types of locking mechanisms are operated substantially simultaneously. The aspect engaged with each of the multiple types of locking mechanism is mentioned.

In another means , the pulling member is formed in a plurality of branches at one end side, and each branch portion is locked to each locking mechanism so as to operate each locking mechanism. And

Here, the multiple branching means that one end side of the pulling member is branched corresponding to the number of the multiple types of locking mechanisms.
In addition, the configuration of “locking each branch portion to each locking mechanism so as to operate each locking mechanism” more specifically means that each branch portion is connected to each corresponding locking mechanism. What is necessary is just to latch in the site | part which operate | moves in order to perform one or both operation | movement of the unlocking operation | movement of each said locking mechanism, and a locking operation | movement.

According to another means , the plurality of types of locking mechanisms include a first locking mechanism that causes the engaging member to project and retract from an end side in a closing direction of the opening / closing body, and an end side in the width direction of the opening / closing body. And a second locking mechanism for projecting and retracting the engaging member.

Since the present invention is configured as described above, the following effects can be obtained.
According to the first aspect of the present invention, among the the first locking mechanism the second locking mechanism, for one of the locking mechanism, by performing the unlocking operation, interlocking infested direction different from the locking mechanism of the engaging member To do.
More specifically, when closing the opening / closing body, the engaging member protruding from the end side in the closing direction of the opening / closing body is engaged with the frame member, and protruding from the end side in the width direction of the opening / closing body. The engaging member to be engaged can be engaged with the guide rail.
That is, crime prevention can be improved by engaging the opening / closing body in both the closing direction and the width direction of the opening / closing body.
Therefore, on can improve the security of a plurality of locking mechanisms can be operability when the unlocking provide a good shutter device.

Further, according to the second invention, when the locking mechanism on the interlocking source side is unlocked, the unlocking operation is interlocked with the locking mechanism on the interlocked side by the pulling force acting on the interlocking member. Is done.
Even if an external force in the unlocking direction is applied to the engaging member of the locked mechanism on the interlocked side in the locked state, the external force is interlocked because the interlocking member transmits only the force in the pulling direction. There is no transmission to the locking mechanism on the source side.
Therefore, the interlocking source side locking mechanism is not unlocked by the external force applied to the interlocked side locking mechanism, and crime prevention can be further improved.

  Furthermore, according to the third invention, the pulling member for pulling the opening / closing body in the closing direction can be effectively used as an operation member for bringing the opening / closing body into a locked state. The operability of the multiple types of locking mechanisms can be further improved.

Further, according to the fourth invention, when the pulling member is pulled, the engaging member in the locking mechanism having the pulling member comes into contact with the interlocking auxiliary member after moving the play space portion, and the interlocking auxiliary member Push the member. Then, the operation of the interlocking auxiliary member that has been pushed is transmitted to the interlocking member, and the operation of the interlocking member is transmitted to the locking mechanism that does not include the pulling member, so that the locking mechanism operates.
Even if the engaging member in the locking mechanism having the pulling member is pushed and moved in the unlocking direction by an external force, the movement of the engaging member is within the interval of the play space portion. Is not transmitted to the interlocking auxiliary member, so that the locking mechanism that does not include the pulling member is not interlocked.
Therefore, the locking mechanism that does not include the pulling member is not unlocked by the external force applied to the locking mechanism including the pulling member, and the crime prevention property can be further improved.

  Furthermore, according to the fifth invention, since the plurality of types of locking mechanisms are operated directly by operating the pulling member as the interlocking member, a plurality of types of locking mechanisms can be provided with a simple and inexpensive structure. The operability of the locking mechanism can be further improved.

  Furthermore, according to the sixth aspect of the invention, it is possible to achieve a cost-effective structure with a simple structure and excellent productivity.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
An example according to the present embodiment is arranged in an opening part or inside a building / structure such as a house, building, warehouse, factory, vehicle bed, etc., and opens and closes the opening part or partitions the space inside the housing. The locking structure in the so-called shutter device that opens or closes, particularly the locking structure of the opening / closing device suitable as the locking structure of the window shutter device will be described.

  This locking structure A1 is an opening / closing body provided with an opening / closing body 10 movable in the opening / closing direction and a fixing member such as a guide rail 20 and a lower frame 30 fixed so as not to move in the opening / closing body opening / closing direction. 10 is disposed on the end side in the closing direction (the lower end side in the illustrated example) (see FIG. 1).

  The opening / closing body 10 is connected to a plurality of so-called slats formed by bending a horizontally-long substantially rectangular metal plate so that the slats can be bent between the upper and lower adjacent slats. The seat plate member 11 to be brought into contact with the lower frame 30 is connected.

The seat plate member 11 is formed in an elongated shape along the width direction of the opening / closing body 10 and has a cross-sectional shape that is less likely to bend in the width direction of the opening / closing body compared to the slat, for example, a substantially rectangular frame shape or a substantially inverted T-shaped cross section. It is formed in a shape such as a letter shape and a substantially U-shaped cross section, and is connected to end portions in the closing direction of the plurality of slats by connection means such as welding, screwing, riveting, and fitting.
And this seat board member 11 is equipped with the said locking structure A1 in the approximate center side of the opening-and-closing body width direction.
It should be noted that those skilled in the art may refer to the seat plate member 11 as a seat plate, a baseboard, a drainer, or the like.

Further, the guide rail 20 has a substantially U-shaped cross section at a portion surrounding the widthwise end of the opening / closing body 10 by processing such as drawing or extrusion forming of an aluminum alloy material, bending of a steel plate or other metal plate, or the like. And a member formed in an elongated shape in the opening / closing body opening / closing direction.
An engaged member 22 that is engaged and disengaged by an engaging member 51 of a second locking mechanism 50 described later is fixed to the bottom surface portion 21 of the guide rail 20.

The engaged member 22 is slidably brought into contact with the engaging member 51 when the opening / closing body 10 is closed in the opening direction (upward direction in the illustrated example). An inclined surface 22 a is provided to be immersed in the plate member 11.
Further, the engaged member 22 is brought into contact with the engaging member 51 in a protruding state toward the opening / closing body closing direction (downward in the illustrated example) side, so that the opening / closing body 10 is opened. A contact surface 22b.

The lower frame 30 includes an abutment surface portion 30a for abutting an end portion of the opening / closing body 10 in the closing direction, and the guide rails 20 are erected on both ends of the contact surface portion 30a in the opening / closing body width direction. Yes.
An engaged member 31 for engaging and disengaging an engaging member 41 of a first locking mechanism 40 to be described later is fixed to the contact surface portion 30a of the lower frame 30.
The engaged member 31 is a substantially inverted L-shaped member having a distal end side (upper end side in the illustrated example) directed in the opening / closing body thickness direction, and a proximal end side (lower end in the illustrated example). Side) is fixed to the contact surface portion 30 a of the lower frame 30.

The opening / closing device having the above configuration is provided with the locking structure A1.
The locking structure A1 includes a first locking mechanism 40 that causes the engaging member 41 to protrude and retract from the end of the opening and closing body 10 in the closing direction, and a second that causes the engaging member 51 to protrude and retract from each of the widthwise ends of the opening and closing body 10. And the unlocking operation of the first locking mechanism 40 is interlocked with the second locking mechanism 50 by the interlocking member 60.

  The first locking mechanism 40 includes an engaging member 41 that engages and disengages the distal end side with the engaged member 31 on the lower frame 30, and an interlocking auxiliary member that rotates by contacting the engaging member 41. 42.

The engaging member 41 is a substantially flat hook-like member that pivots around the shaft support portion 41a on the interlocking auxiliary member 42 and rotates.
The engaging member 41 is on the end side in the centrifugal direction centered on the shaft support portion 41a, and on the end side which is the opening / closing body closing direction side (lower side in the illustrated example) in the locked state. A hook portion 41 c that can be engaged with and disengaged from the engaged member 31 is formed.
Further, the engaging member 41 is on the end side in the centrifugal direction centering on the shaft support portion 41a, and on the end side that becomes the opening / closing body opening direction side (upper side in the illustrated example) in the locked state. The contact piece 41b is bent in the opening / closing body thickness direction so as to be brought into contact with the interlocking auxiliary member 42.

Further, the engaging member 41 secures the pulling member 70 at a position on the end side in the centrifugal direction centering on the shaft support portion 41a and on the end side in the opening / closing body width direction in the locked state. is doing.
The fastening position of the pulling member 70 may be a position where the engaging member 41 can be rotated by pulling the pulling member 70 in the opening / closing body closing direction, but the rotation is particularly smooth. Preferably, it is set so that the pulling member 70 facing the opening / closing body closing direction is in contact with the outer periphery of a virtual circle (not shown) centered on the shaft support portion 41a.

  The engaging member 41 is urged by a urging member (not shown) so as to rotate in a direction in which the hook portion 41c is engaged with the engaged member 31 (counterclockwise according to FIG. 1). . Note that the urging member may be omitted, and the engaging member 41 may be rotated in the above direction due to the weight balance.

The puller member 70 includes a main body portion 71 made of a flexible long member such as a string or a wire, and a detachable member 72 fixed to one end side of the main body portion 71. The other end side is fixed to the engaging member 41.
The attachment / detachment member 72 is a member provided with attachment / detachment means such as a magnet, a suction cup, and a velvet fastener so as to be attachable / detachable to / from a fixing member such as the guide rail 20 or the frame member.

Further, the interlocking auxiliary member 42 has a substantially flat L-shape, and has a through-hole-shaped fastening part 42b for fastening a later-described interlocking member 60 in one piece, and another piece intersecting the one piece. The shaft portion 41a of the engaging member 41 is pivotally supported by the portion.
The interlocking auxiliary member 42 rotates the shaft support portion 41a and the fastening portion 42b around the shaft support portion 42a disposed at the intersection of the one piece portion and the other piece portion. The base plate member 11 is pivotally supported by a bracket or the like.
Reference numeral 42 c in the figure is a restricting piece that restricts rotation of the engaging member 41 in the locking direction. This restricting piece 42 c is used when the engaging member 41 is not pulled by the pulling member 70. The hook portion 41c of the engaging member 41 is maintained at a fixed position facing the opening / closing body closing direction (downward according to the illustrated example).

  Then, between the contact piece 41b of the engaging member 41 in the locked state and the one side of the interlocking auxiliary member 42 on the side of the fastening portion 42b, the engaging member 41 is rotated after a predetermined angle θ. A play space portion s is provided so as to rotate the interlocking auxiliary member 42 in contact with the one piece portion of the auxiliary member 42.

Even if the engaging member 41 is rotated in the unlocking direction (clockwise in the illustrated example) by an external force, the play space portion s is engaged if the rotation angle is within the angle θ. This is a space for preventing the rotation of the joint member 41 from being transmitted to the interlocking auxiliary member 42.
According to a preferred example of the present embodiment, when the engaging member 41 has its hook-shaped tip (hook portion 41c) substantially coincided with the tip of the engaged member 31, the engaging member 41 is interlocked. The angle θ is set so as to contact the auxiliary member 42.

The interlocking member 60 is a tension transmission member that transmits only the force in the tension direction without transmitting the force in the compression direction. According to a preferred example of the present embodiment, a flexible metal wire is used. ing.
One end side of the interlocking member 60 is fastened to the fastening portion 42b of the first locking mechanism 40, and the other end side is locked to an operation member 52 of a second locking mechanism 50 described later.
According to the interlocking member 60, the fastening portion 42b of the first locking mechanism 40 is rotated in the direction away from the second locking mechanism 50 about the shaft support portion 42a (clockwise in the illustrated example). Due to this movement, the operating member 52 is pulled and rotated in the same direction as the direction of the rotation (see FIGS. 2A and 2B).

  The second locking mechanism 50 includes an operation member 52 that rotates when pulled by the interlocking member 60, and two interlocking auxiliary members 53 that transmit the rotation of the operation member 52 to an engagement member 51 described later. 53, engaging members 51, 51 and the like that protrude and project from both end portions in the width direction of the opening / closing body 10 in conjunction with the interlocking auxiliary member 53.

The operation member 52 is a substantially plate-like member that rotates around a shaft support portion 52a that is supported by the seat plate member 11 via a bracket or the like, and is formed in a substantially triangular shape in plan view according to the illustrated example. ing.
The operation member 52 has a shaft support portion 52b that supports one interlocking auxiliary member 53 on the opening / closing body opening direction side (upward side in the illustrated example) with respect to the shaft support portion 52a, and from the shaft support portion 52b. Furthermore, a long hole-like locking part 52c for locking the interlocking member 60 is provided on the opening / closing body opening direction side.
Further, the operation member 52 has a shaft support portion 52d that supports the other interlocking auxiliary member 53 on the opening / closing body closing direction side (downward side in the illustrated example) with respect to the shaft support portion 52a.

The interlocking auxiliary member 53 is a substantially plate-like member that is pivotally supported by the pivotal support portion 52b or the pivotal support portion 52d of the operation member 52 and supports the engagement members 51 described later. According to this, it is formed in a substantially triangular shape in plan view.
The interlocking auxiliary member 53 is biased in a direction in which the engaging member 51 protrudes from the opening / closing body 10 by a biasing member 54 such as a tension spring.
The interlocking auxiliary member 53 is restricted from moving in a direction in which the engaging member 51 protrudes from the opening / closing body 10 by a convex portion 55 formed on a bracket or the like integral with the seat plate member 11.

  Each engagement member 51 is a long member along the opening / closing body width direction, one end of which is supported by the corresponding interlocking auxiliary member 53, and the other end is the end of the opening / closing body 10 in the width direction. Invade from the club.

Next, the effect by the locking structure A1 of the said structure is demonstrated in detail.
When the opening / closing body 10 is in the locked state, the engaging member 41 of the first locking mechanism 40 is engaged with the engaged member 31, and each engaging member 51 of the second locking mechanism 50 is engaged. The lower side is engaged.
When the pulling member 70 is pulled in the opening / closing body opening direction (upward in the illustrated example) in the locked state, as shown in FIG. It rotates in the direction (in the illustrated example, clockwise) to release the engagement with the engaged member 31 about the center.
At the time of this rotation, the engaging member 41 is rotated by an angle θ so as to gradually narrow the play space s, and then the contact piece 41b is moved to the one piece on the fastening portion 42b side of the interlocking auxiliary member 42. It abuts on the part. Then, after this contact, the engaging member 41 continues to rotate together with the interlocking auxiliary member 42 around the shaft support part 42a of the interlocking auxiliary member 42.

Then, the interlocking auxiliary member 42 that is pushed and rotated by the interlocking auxiliary member 42 pulls the interlocking member 60.
Then, the operation member 52 of the second locking mechanism 50 is pulled by the interlocking member 60 and rotates in a direction (clockwise according to the illustrated example) that causes the locking portion 52 c to follow the pulling direction of the interlocking member 60. .
Then, by the rotation of the operation member 52, the interlocking auxiliary member 53 moves against the biasing of the biasing member 54, and the engaging member 51 is moved to the seat plate member along with the movement of the interlocking auxiliary member 53. 11 slides into the direction of immersion.
Therefore, the engagement state between the engagement member 51 and the engaged member 22 in the guide rail 20 is released.

Next, the operation of the locking structure A1 when the opening / closing body 10 is closed will be described (see FIG. 3).
When the engaging member 51 of the second locking mechanism 50 is positioned closer to the opening / closing body opening direction (upward in the illustrated example) than the engaged member 22 of the guide rail 20 (state shown in FIG. 3A). The engaging member 41 of the first locking mechanism 40 is in a state in which the hook portion 41c is directed in the opening / closing body closing direction (downward in the illustrated example), and both the engaging members 51, 51 are the width of the opening / closing body 10. It is in the state which protruded from the both ends of the direction.
When the opening / closing body 10 moves in the closing direction (downward in the illustrated example), the engaging member 41 slides the inclined edge portion of the hook portion 41 c on the engaged member 31, whereby the engaged member It is slightly rotated in the direction pushed by 31 (clockwise in the illustrated example).
On the other side, each engaging member 51 slides in the direction of immersing into the seat plate member 11 by bringing its tip end into sliding contact with the inclined surface 22 a of the engaged member 22.

Next, the hook portion 41 c of the engaging member 41 moves so as to get over the distal end portion of the engaged member 31 and is engaged with the engaged member 31. At substantially the same time, the distal end portion of the engaging member 51 moves so as to get over the engaged member 22 and is engaged with the lower side of the engaged member 22.
Therefore, the opening / closing body 10 engages the engaging member 41 of the first locking mechanism 40 with the engaged member 31, and each engaging member 51 of the second locking mechanism 50 corresponds to the corresponding engaged member 22. A double locked state is engaged with the lower side (the state shown in FIG. 1).

  In this double-locked state, a jig or the like is forcibly inserted between the opening / closing body 10 and the lower frame 30, and the engagement member 41 is intentionally unlocked by this jig or the like (in the illustrated example, the watch Even if the rotation angle is within the above angle θ, the engagement member 41 only rotates the space portion s, so that the rotation is applied to the second locking mechanism 50. The second locking mechanism 50 is not unlocked by transmission.

  In the same double-locked state, if a jig or the like is forcibly inserted into the guide rail 20 and the engagement member 51 is intentionally moved in the direction of immersing into the seat plate member 11 by this jig or the like. The movement of the engagement member 51 is transmitted to the operation member 52 via the interlocking auxiliary member 53. However, since the interlocking member 60 made of a flexible material is bent, the rotation of the operation member 52 is the first locking. There is no transmission to the mechanism 40. Therefore, also in this case, the first locking mechanism 40 is not unlocked when the second locking mechanism 50 is unlocked by an external force.

Next, the locking structure A2 of the opening / closing device which is another example of the present invention will be described. In addition, in this locking structure A2, about the site | part substantially the same as said locking structure A1, duplication description is abbreviate | omitted by using the same code | symbol as said locking structure A1.
The locking structure A2 is a structure in which the locking structure A1 is configured such that the engaging member 41 is pivotally supported by the interlocking auxiliary member 42, whereas the engaging member 41 and the interlocking auxiliary member 42 ′ are connected to the bracket 11a. Are supported by a common shaft support portion 40a.

The interlocking auxiliary member 42 ′ is formed in a shape in which the restriction piece portion 42c is omitted from the above-described interlocking auxiliary member 42.
When the engaging member 41 is not pulled by the pulling member 70, the hook portion 41c of the engaging member 41 is maintained at a fixed position facing the opening / closing body closing direction (downward in the illustrated example). In addition, a restriction portion that replaces the restriction piece portion 42c may be provided on the bracket 11a.

Further, the bracket 11 a is formed to be bent in a substantially convex shape in cross section, and is fixed to the seat plate member 11.
Further, the interlocking member 60 ′ in the locking structure A2 is a member arranged in the same manner as the interlocking member 60, and may be a member made of a flexible material, for example, a member having rigidity such as a metal bar-like member. There may be.

  Then, between the engaging member 41 and the interlocking auxiliary member 42 in the locked state, the engaging member 41 abuts on the interlocking auxiliary member 42 ′ after the engaging member 41 rotates by a predetermined angle θ, similarly to the locking structure A 1. A play space portion s is provided so as to rotate the interlocking auxiliary member 42 ′.

According to the locking structure A2 configured as described above, the rotation of the engaging member 41 due to the pulling operation of the pulling member 70 can be transmitted to the engaging member 51 in the same manner as the locking structure A1.
In addition, if a jig or the like is forcibly inserted into the guide rail 20 and the engagement member 51 is intentionally moved in the direction of immersing into the seat plate member 11 by this jig or the like, this engagement member Even if the movement of 51 is transmitted to the interlocking auxiliary member 53, the operation member 52, the interlocking member 60 ′ (this interlocking member 60 ′ is made of a rigid material), and the interlocking auxiliary member 42 ′, the interlocking assist Since there is a play space s between the member 42 ′ and the engagement member 41 as in the case of the locking structure A1, the rotation of the interlocking auxiliary member 42 ′ is transmitted to the engagement member 41 within an angle θ. Not.
Therefore, the structure of the locking structure A2 can also prevent the first locking mechanism 40 from being unlocked in conjunction with the unlocking of the second locking mechanism 50 by an external force.

Next, a description will be given of a locking structure A3 for an opening / closing device as another example of the present invention (see FIG. 3). In addition, in this locking structure A3, about the site | part substantially the same as said locking structure A1, duplication description is abbreviate | omitted by using the same code | symbol as said locking structure A1.
The locking structure A3 is configured such that the interlocking member 60 and the interlocking auxiliary member 42 in the locking structure A1 are omitted, and the pulling member 70 in the locking structure A1 is replaced with a pulling member 70 ′.

  In the engaging member 41 in the locking structure A3, the shaft support portion 41a is supported by the bracket 11b fixed to the seat plate member 11.

Further, the pulling member 70 ′ is composed of a main body 71 ′ made of a flexible long member such as a string or a wire, and the detachable member 72 fixed to one end of the main body 71 ′. .
The other end side of the pulling member 70 ′ is operated so that the two first locking mechanisms 40 and the second locking mechanism 50 are operated substantially simultaneously. 50 and both.
More specifically, the other end side of the pulling member 70 ′ is formed in a bifurcated shape, and one branch portion 71a ′ is fixed to the engaging member 41 of the first locking mechanism 40, and the other branch is formed. The portion 71 b ′ is locked to the locking portion 52 c in the operation member 52 of the second locking mechanism 50.

According to this locking structure A3, when the pulling member 70 'is pulled in the opening / closing body opening direction, the two first locking mechanisms 40 and the second locking mechanism 50 are directly operated by the pulling member 70'. Will be.
That is, in a double-locked state where both locking mechanisms 40 and 50 are locked, the direction in which the engaging member 41 of the first locking mechanism 40 is separated from the engaged member 31 when the pulling member 70 ′ is pulled. The operation member 52 of the second locking mechanism 50 is rotated in a direction in which each engagement member 51 is inserted into the seat plate member 11.
Therefore, both locking mechanisms 40 and 50 are unlocked substantially simultaneously.

  In addition, in a double-locked state where both locking mechanisms 40 and 50 are locked, a jig or the like is temporarily inserted between the opening / closing body 10 and the lower frame 30, and the engagement member is intentionally inserted by the jig or the like. Even if 41 is rotated in the unlocking direction (clockwise in the illustrated example), the main body 71 ′ of the pulling member 70 bends, and the rotation is transmitted to the second locking mechanism 50. The second locking mechanism 50 is not unlocked.

  In the same double-locked state, if a jig or the like is forcibly inserted into the guide rail 20 and the engagement member 51 is intentionally moved in the direction of immersing into the seat plate member 11 by this jig or the like. The movement of the engagement member 51 is transmitted to the operation member 52 via the interlocking auxiliary member 53. However, since the main body 71 ′ of the pulling member 70 is bent, the rotation of the operation member 52 is the first locking. There is no transmission to the mechanism 40. Therefore, also in this case, the first locking mechanism 40 is not unlocked when the second locking mechanism 50 is unlocked by an external force.

  In order to operate the first locking mechanism 40 and the second locking mechanism 50 substantially simultaneously, the first locking mechanism 40 and the second locking mechanism 50 are made to pass the pulling member 70 ′. The aspect which did is not limited to the structure of the said locking structure A3, You may make it like the locking structure A4 mentioned later.

  The locking structure A4 has a structure in which the pulling member 70 ′ in the locking structure A3 is replaced with a pulling member 70 ″, and the pulling member 70 ″ is inserted through an insertion ring 41d provided in the engaging member 41. (See FIG. 6).

The puller member 70 "is fixed to one end side of the main body portion 71" and a main body portion 71 "made of a long member having flexibility such as a string or a wire, in the same manner as the puller member 70 described above. The detachable member 72 described above.
The pulling member 70 ″ is inserted into the insertion ring 41d of the engagement member 41 at the other end side of the main body 71 ″, and is engaged with the locking portion 52c of the operation member 52 in the second locking mechanism 50. It has stopped.

  The insertion ring 41d is fixed to the engagement member 41 so as to be substantially in the same position as the fixing position of the main body 71 in the locking structure A1.

According to the locking structure A4, when the pulling member 70 ″ is pulled in the opening / closing body opening direction in the double locked state where both the locking mechanisms 40, 50 are locked, the operation member of the second locking mechanism 50 52 is pulled in the direction of the first locking mechanism 40 by the pulling member 70 ″, and is rotated in the direction in which each engaging member 51 is immersed in the seat plate member 11 (clockwise in the illustrated example).
At substantially the same time as the rotation of the operation member 52, the engagement member 41 of the first locking mechanism 40 is separated from the engaged member 31 because the insertion ring 41d is pulled in the opening / closing body opening direction (see FIG. It rotates in the clockwise direction in the example shown.
Therefore, both locking mechanisms 40 and 50 are unlocked substantially simultaneously.

  Also in the locking structure A4, when an external force in the unlocking direction is applied to the engaging member 41 of the first locking mechanism 40 or the engaging member 51 of the second locking mechanism 50, the pulling member 70 ″ is the main body 71. Therefore, the unlocking operation of one locking mechanism (40 or 50) due to an external force is not transmitted to the other locking mechanism (50 or 40).

The figure which shows an example of the locking structure of the opening / closing apparatus concerning this invention from the back side of an opening / closing body. It is a figure which shows the locking structure from the back side of an opening-closing body, and shows the process in which unlocking operation is carried out to (a) and (b) sequentially. It is a figure which shows the locking structure from the back side of an opening / closing body, and shows the process locked by closing of an opening / closing body to (a) and (b) sequentially. The figure which shows the other examples of the locking structure of the opening / closing apparatus concerning this invention from the back side of an opening / closing body. The figure which shows the other examples of the locking structure of the opening / closing apparatus concerning this invention from the back side of an opening / closing body. The figure which shows the other examples of the locking structure of the opening / closing apparatus concerning this invention from the back side of an opening / closing body.

Explanation of symbols

10: Opening and closing body 20: Guide rail (fixing member)
30: Lower frame (fixing member)
40: First locking mechanism 42, 42 ': Interlocking auxiliary member 50: Second locking mechanism 51: Engaging member 60, 60': Interlocking member 70, 70 ', 70 ": Pull member 71a', 71b ' : Branch part s: Play space part A1, A2, A3, A4: Locking structure

Claims (6)

In the shutter device that guides the opening / closing body in the opening / closing direction by the guide rail, and makes the seat plate member at the end in the closing direction of the opening / closing body contact the frame member when the closing operation is performed,
A first locking mechanism for engaging and disengaging the engagement member with the frame member by allowing the engagement member to protrude and retract from an end of the opening and closing body in the closing direction of the seat plate member; and a width direction of the opening and closing body. A second locking mechanism that engages and disengages the engaging member with respect to the guide rail by retracting the engaging member from both ends.
A shutter device characterized in that an interlocking member is provided across the first locking mechanism and the second locking mechanism so as to interlock the unlocking operation of these locking mechanisms . The interlocking member is composed of a flexible member that transmits only the force in the tension direction without transmitting the force in the compression direction,
The interlocking member, the unlocking operation of the first mechanism is a continuous dynamic source side by the force of the pulling direction, that is provided so as to be transmitted to the second locking mechanism which is an object to be linked side The shutter device according to claim 1, wherein: Of the first locking mechanism and the second locking mechanism, at least one locking mechanism is provided with a pulling member for pulling the opening / closing body in the closing direction so as to operate the locking mechanism. The shutter device according to claim 1, wherein the shutter device is a shutter device. The interlocking member is provided across a locking mechanism provided with the pulling member and a locking mechanism not provided with the pulling member,
The locking mechanism provided with the pulling member includes an interlocking auxiliary member that transmits the operation when pushed by the engaging member to the interlocking member,
A play space portion is provided between the engaging member and the interlocking auxiliary member so that the engaging member contacts the interlocking auxiliary member and pushes the interlocking auxiliary member after the engaging member moves by a predetermined distance. The shutter device according to claim 3, wherein: The pulling member is the interlocking member, and is provided over the two locking mechanisms so as to operate the first locking mechanism and the second locking mechanism. 3. The shutter device according to 3 . The pulling member is formed in a branched shape in which one end side is divided into two, and each branch portion is locked to each locking mechanism so as to operate each locking mechanism. 5. The shutter device according to 5 .

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