JP4146362B2 - Grill shutter device - Google Patents

Description

The present invention relates to an opening / closing device such as a shutter device in which an opening / closing body is wound around a winding shaft, and more specifically, a group in which a buffer member is wound around the opening / closing body when wound around the winding shaft . it relates to Lil shutter equipment.

Conventionally, this kind of invention includes an opening / closing body that partitions and opens a space, a winding device that winds and unwinds the opening / closing body by a winding shaft, and a buffer member that winds and unwinds the buffer member. There is a device in which the cushioning member fed out from the reel device is wound around the opening / closing body when wound around the winding shaft (see Patent Document 1).
According to this prior art, since the cushioning member (relaxation cloth 9) is sandwiched between the opening / closing body (shutter curtain 4) wound around the winding shaft (winding shaft 1), noise resulting from the winding up. Generation, wear of the opening / closing body, and the like can be reduced.

However, according to the above prior art, the cushioning member (relaxation cloth 9), the winding drum 6 around which the cushioning member (relaxation cloth 9) is wound, and the like over substantially the entire length of the opening / closing body (shutter curtain 4). Since it was provided (see FIG. 2 of Patent Document 1), there was a tendency that the cost of parts was likely to rise.
Japanese Patent Laid-Open No. 2-1573836

The present invention has been made in view of the above-described conventional circumstances, and the problem is that the noise and wear generated when the opening / closing body is wound around the winding shaft is reduced to a minimum and low cost. Accordingly, an object of the present invention is to provide a grill shutter device that can be effectively reduced.

One means for solving the above problems is an opening / closing body having a protrusion projecting in the opening / closing body thickness direction over the opening / closing body opening / closing direction, and a winding device that winds and unwinds the opening / closing body by a winding shaft. A reel device that winds or unwinds the long buffer member by a reel shaft, and the long buffer member that is unwound from the reel device is attached to the opening / closing body when wound on the winding shaft. In the opening / closing device adapted to be wound, the reel device is arranged in the opening / closing body width direction so that the elongated buffer member is wound on the opening / closing body while contacting the protrusion from the opening / closing body thickness direction side. The position corresponds to the protrusion.

Here, in the switchgear according to the above means , the mode in which the open / close body only performs the opening operation, the mode in which the open / close body only performs the closing operation, the opening / closing body has the opening and closing operations And the like used to perform both.

  Moreover, the said opening-closing body should just be a member which partitions off or opens space, Comprising: The member which can be wound up with the said winding axis | shaft, and can pay | feed out. As a specific example of this open / close body, a mode in which a plurality of slats, panels, and pipes are continuously provided in the open / close direction, a mode consisting of a sheet-like material or a net-like material, or a slat, a panel, a pipe, a sheet-like material, The aspect etc. which combine a net-like thing etc. suitably are mentioned.

The winding device may be any device that winds or unwinds the opening / closing body by the winding shaft that is rotatably supported.
The winding shaft of this winding device has a mode in which the shaft-shaped member itself rotates to wind up or unwind the opening / closing body, and a cylindrical member is fixed around the shaft-shaped member. A mode in which the member rotates integrally to wind or unwind the open / close body, and a cylindrical member is supported around the fixed shaft-shaped member so as to be rotatable. The aspect etc. which were made to rotate are included. The cylindrical member includes an aspect in which a plurality of disk-shaped members are arranged substantially in parallel in the axial direction and are connected by a plurality of rod-shaped connecting members to form a substantially cage shape.
The winding device is driven and rotated by a drive source such as a motor, a coil spring, a spring, or a manual force only when winding the opening / closing body, and when unwinding the opening / closing body, It includes a mode in which the weight member freely rotates due to its own weight, a mode in which the drive source is rotated in both directions, and the like.

In the present specification, the “opening / closing body thickness direction” means the thickness direction of the opening / closing body in the closed state.
In the present specification, the “opening / closing body width direction” means a direction that is substantially orthogonal to the opening / closing direction of the opening / closing body and not the thickness direction of the opening / closing body.
Further, the "opening and closing body closing direction" in this specification, closing body means in a direction to move to Ri opened or partitions the space.

In another means , the opening / closing body having a protrusion protruding in the opening / closing body thickness direction over the opening / closing body opening / closing direction, a winding device for winding and unwinding the opening / closing body by a winding shaft, and a long shape A reel device that winds or unwinds the buffer member by a reel shaft, and the long buffer member that is unwound from the reel device is wound around the opening / closing body when being wound on the wind-up shaft. In the opened / closed device, the long buffer member is formed thicker than the protruding amount of the protrusion in the open / close body, and the reel device has the long buffer member wound around a portion other than the protrusion. As described above, the position in the opening / closing body width direction is made to correspond to a portion other than the protrusion in the opening / closing body.

Further, in another means , the reel device is sized to be able to pass through a pull-in / out port for drawing the opening / closing body to the winding device side or sending it from the winding device side, and is detachable. It is provided in.

Further, in another means , the reel device is a part closer to the winding device than a retracting outlet for drawing the opening / closing body to the winding device side or sending it from the winding device side, And it is arrange | positioned in the immovable site | part of the vicinity of this drawing-in exit.

Further, in another means , the winding device supports the winding shaft so as to move in the opening / closing body thickness direction, and moves to an immovable portion on the moving direction side of the winding shaft. Buffering means is provided so that the above-described winding shaft or the opening / closing body around the winding shaft can be brought into contact.

In another means , the buffer means is characterized in that the reel device is arranged at the stationary part.

In another means , the winding shaft is provided so as to move to the feeding side in the opening / closing body thickness direction while feeding the opening / closing body, and to move in the reverse direction while winding the opening / closing body. The device is configured to take up the long buffer member while rotating the reel shaft in a direction opposite to the opening / closing body feeding direction of the take-up shaft.

In another means , a pair of roller members that are close to or in contact with the opening / closing body from both sides in the opening / closing body thickness direction are arranged so as to rotate along the opening / closing body opening / closing direction. .

Further, in another means , the protrusion is provided substantially continuously in the opening / closing body opening / closing direction, and the pair of roller members are close to or in contact with the protrusion from both sides in the opening / closing body thickness direction. It is provided.

Further, the other means includes a pull-in / out port for drawing the open / close body into the take-up device side or sending it from the take-up device side, and covers the draw-out port from the open / close body thickness direction. Thus, the lintel member is disposed, and the pair of roller members are detachably disposed from the outside in the lintel member .

Since the above means is configured as described above , the following effects can be obtained.
According to the above means , when the opening / closing member is wound around the winding shaft of the winding device, the long buffer member is drawn out from the reel shaft of the reel device, and the long buffer member is wound into the opening / closing member. go. At that time, the long buffer member is wound around the opening / closing body while coming into contact with the protrusion protruding in the thickness direction of the opening / closing body from the opening / closing body thickness direction side.
Therefore, when the opening / closing body is wound around the take-up shaft, the protrusions are opposite to each other in the radial direction of the take-up shaft (the protrusions other than the protrusions on the front and rear windings, the outer periphery of the take-up shaft, or the opening / closing body). Can be prevented from directly abutting or sliding against the part, etc., and thus reduce noise generation due to abutment or sliding contact between the projecting part and the facing part, wear of the opening / closing body, etc. be able to.
Therefore, even if the reel device is not provided over substantially the entire length in the width direction of the opening / closing body, it is only necessary to provide a part corresponding to the protrusion, so noise and wear generated when the opening / closing body is wound around the winding shaft can be reduced. Therefore, it can be effectively reduced with a minimum cost and a low cost configuration.

According to another means , when the opening / closing member is wound around the winding shaft of the winding device, the long buffer member is drawn out from the reel shaft of the reel device, and the long buffer member is wound into the opening / closing member. I'm going. At that time, the long buffer member thicker than the protruding amount of the protrusion is caught in the opening / closing body while contacting a portion other than the protrusion.
Therefore, when the opening / closing body is wound around the take-up shaft, the projecting portion and the opposite portion in the radial direction of the take-up shaft (the projecting portion wound earlier or later, the outer peripheral surface of the take-up shaft, or the protrusion on the opening / closing body) A gap is formed between the part and the like. Therefore, the contact and sliding contact between the projecting part and the facing part can be prevented, and consequently the generation of noise and the wear of the opening / closing body due to the contact and sliding contact between the projecting part and the facing part are reduced. be able to.
Therefore, even if the reel device is not provided over substantially the entire length in the width direction of the opening / closing body, it is only necessary to provide a part corresponding to the part other than the protrusion, so the opening / closing body can be wound with a minimum and low-cost configuration. Noise, wear, and the like that occur when wound on the take-up shaft can be effectively reduced.

Furthermore, according to another means , when exchanging the reel device, the reel device can be easily exchanged by passing it through the pull-in / out port.

Furthermore, according to another means , the reel device can be inspected and repaired from the above-mentioned pull-in / out port, and the maintainability of the reel device is good.
Moreover, if the reel device is configured to have a size that can pass through the pull-in / out port, the reel device can be easily replaced, and the maintainability can be further improved.

Further, according to another means , even when the winding shaft moves in the opening / closing body thickness direction and overruns, the winding shaft or the opening / closing body around the winding shaft collides with the buffering means. , The impact during the collision is alleviated.
Therefore, it is possible to prevent the winding shaft and the opening / closing body around the winding shaft from directly colliding with the stationary part such as the housing or the member fixed to the housing side. It is possible to reduce the occurrence of noise caused by the noise.

Further, according to another means , even when the winding shaft moves in the opening / closing body thickness direction and overruns, etc., the winding shaft or the opening / closing body around the winding shaft is It abuts on the long cushioning member around and absorbs the impact during the abutment.
That is, the long shock-absorbing member reduces the noise and wear when the winding shaft is wound on the reel device and the shock absorbing function when the winding shaft moves and collides with the reel device. Both functions can be provided together.

Further, according to another means , when the winding shaft moves to the feeding side in the opening / closing body thickness direction while feeding the opening / closing body and overruns, etc., the winding shaft or the opening / closing body around the winding shaft is The outer peripheral surface is brought into contact with the outer peripheral surface of the long buffer member wound around the reel shaft. Therefore, the impact at the time of the contact is effectively absorbed by the long buffer member.
In addition, at the time of the contact, the outer peripheral surface of the winding shaft or the opening / closing body around the winding shaft and the outer peripheral surface of the long cushioning member around the reel shaft perform a circular motion in the same tangential direction. While touching. Accordingly, it is possible to effectively relieve the friction and impact when the both outer peripheral surfaces come into contact with each other, and as a result, the winding shaft or the opening / closing body around the winding shaft moves and collides. Noise generation and the like can be further effectively reduced.

Furthermore, according to another means , a pair of roller members approaches or contacts the opening / closing body from both sides in the opening / closing body thickness direction.
Therefore, even if the opening / closing body vibrates in one of the opening / closing body thickness direction and the other side due to the influence of wind pressure or the like, the vibration and noise caused by the vibration can be suppressed. .

Further, according to another means , the pair of roller members approach or come into contact from both sides in the opening / closing body thickness direction with respect to the protrusion that is substantially continuous in the opening / closing body opening / closing direction.
Therefore, the vibration in the thickness direction in the opening / closing body that opens and closes can be more effectively suppressed by the pair of roller members, and as a result, noise caused by flapping of the opening / closing body that opens and closes can be further reduced. it can.

Further, according to another means , since the pair of roller members are hidden inside the lintel member, the appearance of the opening / closing device can be improved, and the roller members can be easily attached and detached. Can do.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
An example of the switchgear according to the present embodiment is disposed in an opening of a construction / structure such as a house, building, warehouse, factory, underground shopping center, tunnel, vehicle loading platform, etc., or inside the construction / structure. A shutter device that opens and closes a part and partitions or opens a space inside a construction / structure will be described as a so-called grill shutter device including an opening / closing body composed of a plurality of pipes.

  The opening / closing device A includes an opening / closing body 10 that partitions and opens a space, guide rails 20 and 20 that guide the opening / closing body 10 in the opening / closing direction (vertical direction according to the illustrated example) on both sides in the width direction, A winding device 30 for winding and unwinding the opening / closing body 10 by a winding shaft 31; a reel device 40 for winding a long buffer member 41 into the opening / closing body 10 wound by the winding device 30; The body 10 includes a pair of roller members 50 and 50 that come close to or come into contact with the body 10 from both sides in the opening / closing body thickness direction.

  The opening / closing body 10 includes a plurality of pipe portions 11 disposed at predetermined intervals in the opening / closing body opening / closing direction, and a plurality of link portions disposed so as to divide the opening / closing body width direction of the plurality of pipe portions 11. 12 and a seat plate member 13 detachably connected to the end portion of the pipe portion 11 in the closing direction, and the link portion 12 has an opening / closing body thickness more than the pipe portion 11 over substantially the entire length in the opening / closing body opening / closing direction. Protrusions protruding in the direction.

The pipe portion 11 includes a core pipe 11a that extends over substantially the entire length in the opening / closing body width direction, and a plurality of decorative pipes 11b that are annularly mounted around the core pipe 11a (see FIG. 3).
The core pipe 11a is a metallic pipe material that is inserted through the link portion 12 so as to be rotatable. The core pipe 11a may be formed integrally from a single pipe material, or may be formed by connecting a plurality of pipe materials in the length direction.

  The decorative pipe 11b is a metallic pipe material that is positioned between the link portions 12 and 12 that are arranged at a predetermined interval in the opening / closing body width direction, and is annularly provided around the core pipe 11a.

The link portion 12 is a portion that supports the plurality of core pipes 11a by inserting them. Specifically, the metallic inner link pieces 12a and the outer link pieces 12b are alternately arranged in the opening / closing body opening / closing direction. Set up. And this link part 12 has the opening-closing body thickness rather than the outer peripheral surface of the decorative pipe 11b about both edges of the opening-closing body thickness direction in the inner-link piece 12a and the outer link piece 12b substantially continuously over the opening-closing-body opening-closing direction. It protrudes in the direction.
The inner link piece 12a is used in two layers for strength improvement, and the core pipe 11a is rotatably inserted through the two upper and lower ends.
Further, two outer link pieces 12b are used on both the upper end side and the lower end side so as to sandwich the two overlapping inner link pieces 12a and 12a, and the core pipe 11a is rotatably inserted. ing.

  Therefore, according to the above-described configuration, the opening / closing body 10 is rotated between the inner link pieces 12a, 12a and the outer link pieces 12b, 12b arranged in the opening / closing body opening / closing direction so as to be bent. 31 is wound around the outer peripheral surface of 31.

According to a preferred example of the present embodiment, the inner link piece 12a and the outer link are provided between the inner link piece 12a and the core pipe 11a and between the outer link piece 12b and the core pipe 11a. In order to prevent the piece 12b, the core pipe 11a, the decorative pipe 11b, etc. from coming into direct contact with each other and generating a metallic sound, a buffer member (not shown) made of, for example, an annular elastic body is interposed. .

  Further, the seat plate member 13 has a cross-sectional shape that is difficult to be deformed in the opening / closing body thickness direction in the opening / closing body width direction, such as a substantially inverted T-shaped section or a substantially rectangular frame shape, and extends over substantially the entire length in the opening / closing body width direction. Is formed. And this seat board member 13 is connected to the lowest end part of the said several pipe part 11 by the detachable means, such as screwing and fitting.

Each guide rail 20 is a member formed in a substantially U shape in cross section by drawing or extruding an aluminum alloy material or bending a steel plate or other metal plate.
The guide rails 20 are respectively disposed on both ends of the opening / closing body 10 in the opening / closing body width direction so as to surround and guide the opening / closing body 10 in the opening / closing direction.

Further, the winding device 30 supports the winding shaft 31 so as to move in the opening / closing body thickness direction in a substantially rectangular fixing member 60 fixed to the housing q.
More specifically, the winding device 30 includes a movable member 32 that is supported so as to be movable in the opening / closing body thickness direction with respect to the fixed member 60, and a winding shaft that is rotatably supported by the movable member 32. 31 and a drive source 33 that transmits rotational power to the winding shaft 31.

The fixed member 60 is formed by bending a substantially rectangular plate-shaped metal material to form guide portions 61 and 61 having a substantially concave cross section on the upper and lower ends thereof. Each guide portion 61 includes a wheel of the movable member 32. A rail 61a that protrudes unevenly from the outer peripheral surface of 32a is provided.
The fixing member 60 is disposed on each of one end side and the other end side in the axial direction of the take-up shaft 31, and in each of them, the movable member 32 is supported so as to be movable in the opening / closing body thickness direction. Yes.

The movable member 32 is formed by bending or processing a substantially rectangular plate-shaped metal material so that the upper and lower ends thereof are formed in a substantially L-shaped cross section, and the upper and lower ends thereof are provided along the rails 61a of the fixed member 60. A plurality of wheels 32a that rolls are arranged.
And this movable member 32 is provided in each of the one end side and other end side of the axial direction of the winding shaft 31, and the winding shaft 31 is rotatably supported in each.

The take-up shaft 31 supports a drum 31b so as to rotate integrally around a shaft main body 31a rotatably supported with respect to a movable member 32 via a bearing or the like.
The end of the opening / closing body 10 in the opening direction and the tip of a long buffer member 41 to be described later are fastened to the outer peripheral surface of the drum 31b in the winding shaft 31.

The drive source 33 is, for example, an electric motor that drives and rotates the drive shaft 33 a, and is supported on the end of one movable member 32.
A power transmission mechanism such as a sprocket and a chain or a belt and a pulley is provided between the drive shaft 33a of the drive source 33 and the shaft main body 31a of the take-up shaft 31, and the drive source 33 is provided by this power transmission mechanism. Is transmitted to the take-up shaft 31.

  In FIG. 1, the member illustrated between the drive source 33 and the movable member 32 is a connecting frame 32b. The connecting frame 32b connects the movable members 32, 32 on both ends of the winding shaft 31 so that the movable members 32, 32 on both sides of the winding shaft 31 move in the same direction at substantially the same time.

Further, the reel device 40, the bearing bracket 43 which is fixedly secured to the building frame q side, the reel shaft 42 of the generally hollow shaft shape and rotatably supported via a bearing or the like, on the outer peripheral surface of the reel shaft 42 The long buffer member 41 is wound, and the long buffer member 41 is wound up or fed out by the reel shaft 42.
According to a preferred example of the present embodiment, the reel device 40 passes through a draw-in outlet 70a (FIG. 4) that draws the opening / closing body 10 to the take-up device 30 side or sends it from the take-up device 30 side. By being configured in a possible size, the external attachment / detachment exchangeability is improved. The pull-in / out port 70a is an opening formed on the top side surface of the lintel member 70 described later.
Further, the reel device 40 contacts the opening / closing body 10 around the take-up shaft 31 when the take-up shaft 31 moves beyond the predetermined position in the feeding direction (left direction in FIG. 1). Are arranged as follows.
Moreover, although the location which mounts the reel apparatus 40 is the fixing member 60 according to the example of illustration, what is necessary is just a non-moving part, for example, the housing q and other immovable members may be sufficient as it.

  The reel device 40 has a position in the opening / closing body width direction so that the long buffer member 41 is caught in the opening / closing body 10 while contacting the link portion 12 (protrusion) from the opening / closing body thickness direction side. A plurality of locations are provided corresponding to each of the plurality of link portions 12.

The reel shaft 42 is provided with a spring-like member (not shown) made of a coil spring, a spring, a spring, and the like, and the mainspring-like member causes the opening / closing body feeding direction (reverse to FIG. 1 according to FIG. 1). It is biased to rotate in the direction opposite to the clockwise direction.
According to an example of the present embodiment, the reel shaft 42 is made of a metal material so as to withstand an impact when the reel shaft 42 comes into contact with the winding shaft 31 or the opening / closing body 10 around the winding shaft 31. It is but, as another preferred example, said to absorb the winding shaft 31 and closing member 10 to impact upon the contact, but it may also be formed of an elastic material such as rubber or elastic synthetic resin material .

  The long buffer member 41 may be a long member having good shock absorption and durability and having flexibility. As a specific example, a flame retardant fabric such as glass cloth or silica cloth is preferable. Or a vinyl chloride resin sheet material subjected to fluorine processing, a synthetic resin sheet material containing glass fiber, nylon, a rubber sheet, other synthetic resin sheets, etc., in a strip shape covering the link portion 12 from the opening / closing body thickness direction side Composed.

The one end side of the long buffer member 41 is fixed to the outer peripheral surface of the reel shaft 42, and the other end side of the winding shaft 31 is positioned so that the position in the opening / closing body width direction corresponds to the link portion 12. It is fixed to the outer peripheral surface or the opening / closing body 10.
From the viewpoint of improving the workability of the take-up shaft 31 for fixing the long buffer member 41, the fixing position of the long buffer member 41 is opened and closed. It is preferable that the opening / closing body 10 is in the vicinity of the suspension base so as to be fixed to the winding shaft 31 together with the body 10.
Further, as another aspect, the fastening position of the long buffer member 41 prevents direct contact between the outer peripheral surface of the winding shaft 31 and the inner surface of the opening / closing body 10 and further reduces noise, etc. The position where the long buffer member 41 is interposed between the outer peripheral surface of the winding shaft 31 and the inner surface of the opening / closing body 10 (in other words, it is wound more clockwise than the suspension base of the opening / closing body 10 according to the illustrated example). position) to the virtuous preferable.
Further, as another aspect, the fastening position of the long buffer member 41 is such that the maximum winding diameter of the opening / closing body 10 is reduced and the length of the long buffer member 41 is reduced to reduce the cost. From the viewpoint, it is preferable that the opening / closing body 10 be closer to the closing direction (lower side in the illustrated example) than the suspension base. In this case, from the viewpoint of improving the appearance of the opening / closing body 10, More preferably, the position is not exposed to the outside in the closed state (more specifically, the position is not exposed to the outside of the lintel member 70).

The long buffer member 41 is formed in a belt shape that covers the link portion 12 from the opening / closing body thickness direction side as described above in order to improve the winding property and the contact property with the link portion 12. It is preferable to use a cord-like member.
In this case, for example, the size of the outer link pieces 12b, 12b in the link part 12 in the opening / closing body thickness direction is made larger than that of the inner link piece 12a, and the string-like member is positioned between the outer link pieces 12b, 12b. By doing so, the string-like member can be wound around the opening / closing body 10 around the winding shaft 31 so as not to be displaced in the opening / closing body width direction.

Each of the pair of roller members 50 and 50 is configured such that the roller body 50b is rotatably supported by the bearing bracket 50a, and is attached to and detached from the outside of the lintel member 70 fixed to the lower surface of the fixing member 60. It is installed as possible.
The pair of roller members 50, 50 position the link portion 12 of the opening / closing body 10 between the two members, and bring the roller bodies 50 b, 50 b close to the link portion 12 from both sides in the opening / closing body thickness direction. Or it arranges so that it may contact. Accordingly, when the roller bodies 50b and 50b are slidably contacted with the opening and closing body 10 that opens and closes, the roller bodies 50b and 50b rotate along the opening and closing direction.

  The number of the pair of roller members 50, 50 arranged in the opening / closing body width direction can be single, but is preferably plural so as to suppress vibration of the opening / closing body 10 in the opening / closing body width direction. Furthermore, in order to obtain an effective vibration suppressing effect with the minimum necessary number of arrangements, a plurality of locations including one end side and the other end side of the opening / closing body width direction in the opening / closing body 10 are preferable.

  Further, the lintel member 70 has a pull-in / out port 70a for pulling the opening / closing body 10 to the take-up device 30 side or sending it from the take-up device 30 side on the top side, and opens and closes the draw-out port 70a. It has a cross-sectional shape that covers from the body thickness direction. According to the illustrated example, it is formed in a substantially U-shaped cross-section toward the downward opening, and can be attached to and detached from the lower surfaces of both fixing members 60, 60 on both ends of the winding shaft 31. It is fixed to.

In the lintel member 70, the pair of roller members 50, 50 are detachably fixed, and support convex portions 71, 71 are provided to reinforce and support each of the roller members 50, 50 from below. ing. According to the illustrated example, the support convex portion 71 is formed by fixing a lintel member 70 and a separate member by fixing means such as welding, but is formed integrally with the lintel member 70 by bending or the like. It may be a site.
And the decorative board 72 is detachably attached to the lower surface of each support convex part 71 so that the top | upper surface side of the lintel member 70 containing a pair of roller members 50 and 50 may be substantially covered over the opening-and-closing body width direction. It is worn.

  Note that the lintel member 70, the support convex portion 71, and the decorative plate 72 are provided over substantially the entire length in the opening / closing body width direction. In order to improve maintainability and the like, the entire length in the opening / closing body width direction is divided as necessary.

According to the illustrated example, when the pair of roller members 50, 50 is removed for repair or replacement, the screw 73 is first loosened and the decorative plate 72 is removed, and then the screw 74 is loosened to remove each roller. The member 50 is removed. At that time, as shown in FIG. 4, the roller member 50 is moved in the opening / closing body thickness direction, then moved downward, and extracted outside the lintel member 70. In addition, in the case of the said operation | work, since the opening / closing body 10 is accommodated in the winding device 30 side rather than the drawing-in exit 70a in the state in which the seat plate member 13 was removed, this operation is not hindered.
Further, the reel device 40 can be extracted or mounted from the pull-in / out port 70a on the top surface of the lintel member 70 for repair or replacement.

Next, operational effects when the opening / closing device A is opened and closed will be described in detail.
When the opening / closing body 10 is opened, the roller bodies 50b, 50b of the pair of roller members 50, 50 are brought into contact with the link portion 12 of the opening / closing body 10 while rolling, so that the opening / closing body 10 in the opening / closing body thickness direction. Vibration is suppressed.
Further, the long shock-absorbing member 41 fed out from the reel device 40 is wound on the opening / closing body 10 wound around the winding shaft 31, so that the impact when the opening / closing body 10 is rolled up is alleviated.
Then, during the winding operation of the opening / closing body 10, the winding shaft 31 is opposite to the feeding side by the component force F <b> 2 of the diagonally downward force F <b> 1 in the opening / closing body 10 positioned in a suspended manner, as shown in FIG. 5. Move in the direction (right according to FIG. 5). Therefore, during the movement, the suspended portion of the opening / closing body 10 is maintained substantially vertical.

When the opening / closing body 10 is closed, the roller main bodies 50b, 50b of the pair of roller members 50, 50 are brought into contact with the link portion 12 of the opening / closing body 10 while rolling, in substantially the same manner as in the opening operation. The vibration in the opening / closing body thickness direction of the opening / closing body 10 is suppressed.
Then, the long buffer member 41 that has been wound around the winding shaft 31 together with the opening / closing body 10 is unwound from the winding shaft 31 together with the opening / closing body 10 and is wound around the reel device 40.
Further, during the unwinding operation of the opening / closing body 10, the take-up shaft 31 is moved to the unwinding side (FIG. 6) by the component force F 4 of the diagonally downward force F 3 in the opening / closing body 10 positioned in a suspended manner. To the left). Therefore, during the movement, the suspended portion of the opening / closing body 10 is maintained substantially vertical.

If the winding shaft 31 moved as described above overruns a normal stationary position due to inertial force or the like, the opening / closing body 10 around the winding shaft 31 is moved to the reel device 40 (buffer means). Make contact. Therefore, the impact at the time of the contact is absorbed by the long buffer member 41 wound around the reel shaft 42.
At this time, the rotation direction of the take-up shaft 31 that feeds the opening / closing body 10 (counterclockwise in the illustrated example) and the rotation direction of the reel shaft 42 that takes up the long buffer member 41 (clockwise in accordance with the illustrated example). ) Is opposite, the impact is effectively mitigated as compared with the case where both the rotational directions are the same.

  In addition, although the switchgear A of the said structure has shown the preferable example to which this invention is applied, the structure of each part mentioned above can be substituted or used together with another structure. These will be described in detail below, but the same reference numerals are used for components that are substantially the same as those of the opening / closing device A described above, and redundant detailed description is omitted.

The opening / closing device B shown in FIG. 7 has a configuration in which the reel device 40 in the opening / closing device A is replaced with a reel device 40 ′.
The reel device 40 ′ has a configuration in which the long buffer member 41 of the reel device 40 described above is replaced with a long buffer member 41 ′. And this elongate buffer member 41 'corresponds to parts other than the link part 12 in the opening / closing body 10 so that it may be wound in parts other than the link part 12 (projection part) in the opening / closing body 10, and the opening / closing body width | variety. The direction position is set.
The long buffer member 41 ′ is formed thicker than the amount by which the link portion 12 protrudes from the outer peripheral surface of the pipe portion 11 in the opening / closing body thickness direction.
The material of the long buffer member 41 ′ may be the same material as that of the long buffer member 41, and a plurality of layers may be used as necessary to increase the thickness.
According to the opening / closing device B, when the opening / closing body 10 is wound around the winding shaft 31, the elongated buffer member 41 ′ is moved along a portion other than the link portion 12, that is, along the outer surface of the plurality of pipe portions 11. It is caught in the opening / closing body 10.
Then, the link portion 12 wound around the take-up shaft 31 is in contact with each other in order to form a difference gap between the protruding amount of the long buffer member 41 ′ and the protruding amount of the link portion 12 between the inside and the outside. Noise is prevented.

8 and 9 forms a notch 71a through which the roller member 50 can pass downward, with respect to the support convex portion 71 of the lintel member 70 in the opening / closing device A, and further the reel The device 40 is arranged at a site closer to the winding device 30 than the pull-in / out port 70a and in the vicinity of the pull-in / out port 70a.
According to the opening / closing device C, the roller member 50 removed at the time of repair or replacement is once moved in the opening / closing body width direction after the decorative plate 72 is removed, and then moved downward (see FIG. 8).
Therefore, the roller member 50 can be taken out without moving in the opening / closing body thickness direction, and even when the opening / closing body 10 is positioned between the two roller members 50, 50, replacement work of the roller member 50, etc. Can be performed well.
In addition, since the reel device 40 is disposed in the vicinity of the pull-in / out port 70a, the reel device 40 can be easily repaired, inspected, and exchanged from the outside via the pull-in / out port 70a.
The reel device 40 is provided around the winding shaft 31 so as to have a buffering action by contacting the winding shaft 31 and the opening / closing body 10 around the winding shaft 31 when overrun in the opening / closing body thickness direction. It is preferable that the opening / closing body 10 is disposed at a position in contact with the opening / closing body 10 obliquely from below.

  In the opening / closing device A, the reel device 40 has a mechanism for rotating the reel shaft 42 in the winding direction by the urging force of the mainspring-like member, but the reel shaft 42 is wound in the winding direction by a driving source such as an electric motor. It is good also as a mechanism to rotate to.

  Moreover, in the said opening / closing apparatus A, although the preferable example which comprised the protrusion continuous in the opening / closing body opening / closing direction by the said link part 12 was shown, this protrusion is provided over the opening / closing body opening / closing direction, and opening / closing body thickness is shown. If it is a site | part which protrudes in a direction, it will not be limited to the aspect by the said link part 12, For example, a pair of roller members 50 and 50 are adjoined with respect to the protrusion provided discontinuously over the opening / closing direction of the opening / closing body 10. It is also possible to adopt an aspect in which contact is made.

In the opening / closing device A, the reel device 40 is disposed on the feeding side in the opening / closing body thickness direction (left side in FIG. 1), but is opposite to the feeding side in the opening / closing body thickness direction (right side in FIG. 1). ) Can also be arranged.
Furthermore, the reel device 40 may be arranged on one side in the opening / closing body thickness direction, and a buffer means other than the reel device 40 may be arranged on the other side.

  Further, in the opening / closing device A, the reel device 40 constitutes a buffer means that contacts the opening / closing body 10 around the winding shaft 31 when the winding shaft 31 moves in the opening / closing body thickness direction and overruns. However, the buffer means may be configured such that an elastic body such as rubber or a spring is disposed on the moving direction side of the winding shaft 31.

  Further, in the opening / closing device A, the winding shaft 31 is configured to move in the opening / closing body thickness direction. When it is intended to obtain only effects other than the effects of the buffer means such as the vibration suppression effect by the roller members 50, 50, the winding shaft 31 may be configured to be immovable.

  Moreover, in the said opening / closing apparatus A, although the preferable example which made the feeding direction by the winding shaft 31 and the winding direction by the reel apparatus 40 into the opposite rotation direction was shown, the aspect which made these rotation directions the same direction, It is also possible to do.

The principal part sectional drawing which shows an example of the switchgear concerning this invention. (II)-(II) sectional view taken on the line in FIG. It is a principal part perspective view of the switchgear, and is omitting and showing members other than the principal part. The principal part expanded sectional view which shows the attachment structure of a pair of roller member in the switchgear. The schematic diagram which shows the operation | movement at the time of the opening / closing body being wound up by the winding shaft in the same opening / closing apparatus. The schematic diagram which shows the operation | movement at the time of an opening / closing body being drawn out from a winding shaft in the same opening / closing apparatus. The principal part perspective view which shows the other examples of the switchgear concerning this invention. It is a principal part perspective view which shows the other examples of the switchgear concerning this invention, Comprising: The attachment structure of a pair of roller member is shown. FIG. 9 is a cross-sectional view of an essential part showing a mounting structure of a pair of roller members and a reel device in the opening / closing device shown in FIG.

Explanation of symbols

10: Opening and closing body 11: Pipe part 12: Link part (protrusion part)
30: Winding device 31: Winding shaft 40: Reel device 41: Elongate buffer member 42: Reel shaft 50: Roller member 70: Rabbit member 70a: Pull-in / out port Opening / closing device A, B, C

Claims (7)

An opening / closing body having a protrusion protruding in the opening / closing body thickness direction over the opening / closing body opening / closing direction, a guide rail for guiding the opening / closing body in the vertical direction , and the opening / closing body above the guide rail by a winding shaft A winding device that winds and unwinds and a reel device that winds and unwinds a long buffer member by a reel shaft, and the long buffer member that is unwound from the reel device is disposed on the winding shaft. A grill shutter device adapted to be wound around the opening / closing body when being wound around ,
The opening / closing body includes a plurality of pipe portions arranged at predetermined intervals in the opening / closing body opening / closing direction, and a plurality of links that are inserted through the plurality of pipe portions and spaced apart in the opening / closing body width direction. And the link portion protrudes in the opening / closing body thickness direction from the pipe portion over the opening / closing body opening / closing direction,
The reel device, the length as elongate buffer members are involved in the opening and closing member while contacting the closing body thickness direction side with respect to the link part, Ru position of the opening and closing member widthwise to correspond to the link portion In addition, the grill shutter device is provided at a position on the opposite side of the take-up shaft with the upper extension line of the guide rail as a boundary . An opening / closing body having a protrusion protruding in the opening / closing body thickness direction over the opening / closing body opening / closing direction, a guide rail for guiding the opening / closing body in the opening / closing direction above the guide rail, and the opening / closing body by a winding shaft A winding device that winds and unwinds and a reel device that winds and unwinds a long buffer member by a reel shaft, and the long buffer member that is unwound from the reel device is disposed on the winding shaft. A grill shutter device adapted to be wound around the opening / closing body when being wound around ,
The opening / closing body includes a plurality of pipe portions arranged at predetermined intervals in the opening / closing body opening / closing direction, and a plurality of links that are inserted through the plurality of pipe portions and spaced apart in the opening / closing body width direction. And the link portion protrudes in the opening / closing body thickness direction from the pipe portion over the opening / closing body opening / closing direction,
The long buffer member is formed thicker than the amount of the link portion protruding in the opening / closing body thickness direction from the outer peripheral surface of the pipe portion ,
The reel device, the length as elongate cushioning member is caught in a site other than the link portion, Rutotomoni made to correspond to the position of the closing body width direction at a site other than the link portion in the closing member, the guide rail A grill shutter device characterized in that the grill shutter device is provided at a position on the opposite side of the take-up shaft with an upper extension line as a boundary . The reel device has a size capable of passing through a pull-in / out port through which the opening / closing body is pulled into the take-up device side or sent out from the take-up device side, and is detachably provided. The grille shutter device according to claim 1 or 2, characterized by the above. The reel device is a portion closer to the take-up device than the draw-in / out port for drawing the opening / closing body to the take-up device side or sending it from the take-up device side, and in the vicinity of the draw-in / out port The grill shutter device according to any one of claims 1 to 3, wherein the grill shutter device is disposed at an immobile portion. Said winding device, grille shutter device according to claim 1 to 4 any one of claims, characterized in that ing support to move the winding shaft to the opening and closing member thickness direction. The winding shaft is provided to move to the feeding side in the opening / closing body thickness direction while feeding the opening / closing body, and to move in the reverse direction while winding the opening / closing body,
The reel device is configured to wind the long buffer member around the outer periphery of the reel shaft while rotating the reel shaft in a direction opposite to the opening / closing body feeding direction of the winding shaft. The grille shutter device according to claim 5 . A pair of roller members that come close to or come into contact with the opening / closing body from both sides in the opening / closing body thickness direction are arranged to rotate along the opening / closing body opening / closing direction,
The link part is provided substantially continuously over the opening / closing body opening / closing direction,
The grill shutter device according to any one of claims 1 to 6, wherein the pair of roller members are provided so as to approach or contact the link portion from both sides in the opening / closing body thickness direction .

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