JP4585278B2 - Switchgear - Google Patents

Description

  The present invention relates to an opening / closing device comprising an opening / closing body for a large booth, such as a shutter device including an overhead door, and an opening / closing body for a small booth arranged in parallel in the width direction of the large opening / closing body. The present invention relates to an opening / closing device that allows an opening / closing body to be opened and closed independently.

Conventionally, this type of opening / closing device includes an opening / closing body (slat curtains 14A, 14B) that opens and closes the frontage opening while being supported by movable guide rails (15A, 16A, 17A, 18A, 15B, 16B), There is an invention in which a sleeve door (fire escape door 19 for evacuation) that opens and closes a booth in a door shape is provided side by side in the width direction.
The sleeve door has a mode in which it cannot be stored, a mode in which the sleeve door is stored by being slid or rotated to the pillar side or wall side of the building, and the like.

However, according to the conventional opening / closing device, it is necessary to secure a space for installing the sleeve door or a space for storing the sleeve door in the width direction of the opening / closing body. Therefore, the opening width by the said opening / closing body may become narrow, the process for accommodating a sleeve door with respect to a pillar, a wall, etc. may become complicated. In addition, the sleeve door, the storage portion of the sleeve door, and the like may damage the design of the building.
Japanese Patent Laid-Open No. 2004-100431 (FIGS. 3 and 4)

  The present invention has been made in view of the above-described conventional circumstances, and the problem is that a booth can be opened and closed for evacuation and the like, and a wide opening width of the large booth closed by the opening and closing body is secured. The present invention is to provide a switchgear that can be used and that has excellent workability and design.

The technical means for solving the above-described problem is an opening / closing device in which a booth opening / closing body is provided continuously along an end portion in the width direction of the opening / closing body for the frontage opening. An opening / closing body support member for a frontage opening that supports the body along the widthwise end thereof is provided, and the opening / closing body support member for the frontage opening can be bent by linking two support pieces up and down. The lower support piece is pivotally supported on the lower end side of the opening and closing body for the large booth, and the upper end side of the upper support piece is used as a stationary part above the opening and closing body for the large booth. Axially supported, and configured to extend the connection portion of the two support pieces from the double-folded state toward the opening / closing body side for the frontage opening in accordance with the closing operation of the opening / closing body for the frontage opening, When the opening / closing body for the booth is completely closed, the opening / closing body support member for the booth is raised. After that, the booth opening / closing body is inserted into the opening / closing body support member for the front booth by inserting one end in the width direction thereof, and is guided downward by the opening / closing body support member for the front booth to close the opening. In addition, there is no member that interferes with the opening during the closing operation of the opening / closing body for the front door .

In the first embodiment of the opening and closing device, the opening and closing device for the booth is provided continuously along the widthwise end of the opening and closing member for the front door, When the opening / closing body for the front door is closed, the opening / closing body for the front door is provided so as to open and close in the vertical direction by being guided by the end portion in the width direction of the opening / closing body for the front door.
Here, the switching device is one in which the skeleton openings such as buildings, configured to open and close by a plurality of opening and closing member such as the small frontage a closure for and the large frontage for opening and closing member.
The opening / closing device includes an aspect in which the booth opening / closing body and / or the large booth opening / closing body is opened / closed by winding or unwinding by a winding shaft, the booth opening / closing body and / or the large opening / closing body. A mode in which the opening / closing body for the frontage is extended or stored without being wound is included.
Further, the opening / closing device includes an aspect in which the booth opening / closing body and / or the booth opening / closing body is manually opened / closed, the booth opening / closing body and / or the booth opening / closing body. Including a mode in which the door is opened / closed electrically, a mode in which one of the opening and closing operations of the booth opening / closing body and / or the opening / closing unit for the front door is electric and the other is manual .

  Moreover, as a preferable specific example of the opening / closing body for the booth and / or the opening / closing body for the large booth, an embodiment in which a plurality of slats and pipes are continuously provided in the opening / closing direction, a single or a plurality of panels, a curtain shape, And an aspect in which a slat, a panel, a pipe, a curtain, a net, etc. are appropriately combined.

Moreover, the opening / closing body for the large booth is an opening / closing body having a larger dimension in the width direction than the opening / closing body for the booth.
Further, the booth opening / closing body is an opening / closing body having a smaller dimension in the width direction than the opening for the front booth, and is preferably formed to have a width that allows a person to pass when opened. ing.

  Further, the booth opening / closing body is provided so that when the opening / closing body for the front booth is closed, the opening / closing body for the front booth is opened and closed in the vertical direction by being guided by the end in the width direction of the opening / closing body for the front booth. In the configuration, the booth opening / closing body is directly guided by the end in the width direction of the closed front door opening / closing body, or the booth opening / closing body is The mode etc. which were indirectly guided through the member (for example, opening / closing body support member for large openings, a movable guide rail, etc.) integrally provided along the edge part of the width direction of an opening / closing body are included.

Further, in the second embodiment , there is provided a large booth opening / closing member support member for supporting the large booth opening / closing member along an end portion in the width direction thereof. The opening / closing body is extended downward along with the closing operation of the opening / closing body, and the opening / closing body for the booth is opened / closed in the vertical direction along the extended opening / closing body support member in the extended state. that provided.

  Here, the opening / closing body support member for the booth includes a mode of being folded and stored on the upper side, a mode of being stored on the upper side without being folded, and the like.

Further, in the third aspect , a movable guide rail is provided that is extended downward together with the opening / closing body support member for the front door, and the opening / closing body for the front door is guided by the movable guide rail in the extended state. that provided to open and close in the direction.

  Here, the movable guide rail includes a mode in which the movable guide rail is folded and stored on the upper side, a mode in which the movable guide rail is stored on the upper side without being folded, and the like.

Moreover, in the 4th form , the guide part which guides the said opening / closing body for booths in the up-down direction was provided in the said opening / closing body support member for large booths .

Further, in the fifth embodiment, the small frontage a closure for a can be opened by lifting operations, that have and are configured to be closed by its own weight.

In the present specification, the term “opening / closing body width direction” refers to a direction that is substantially orthogonal to the opening / closing direction of the opening / closing body for the front door or the opening for the front door, and not the thickness direction of the opening / closing body. means.
In addition, in this specification, the “opening / closing direction” means a direction in which the opening / closing body for the large booth or the opening / closing body for the booth operates to partition or open the space.
Further, in this specification, the “opening / closing body thickness direction” means the thickness direction of the opening / closing body for the large frontage or the opening / closing body for the frontage in the closed state.

Since the present embodiment is configured as described above, the following effects can be obtained.
According to the first aspect , the booth opening / closing body is opened and closed vertically along the closed front door opening / closing body, so that the booth opening / closing body is installed and stored There is no need to secure space in the width direction.
Therefore, it is possible to ensure a wide opening width of the housing opening in which the opening / closing device is installed, and to install and store the opening / closing body for the booth with respect to the pillar or wall of the building. There is no need for special processing, and the design in the building is also good.

Furthermore, according to the second embodiment , when the opening / closing body for the booth is closed, the opening / closing body for the booth can be smoothly opened and closed along the opening / closing body support member for the booth.

Furthermore, according to the 3rd form , the concrete structure which guides the opening / closing body for booths to the opening / closing body support member for large booths can be provided.

Furthermore, according to the 4th form , the concrete structure which guides the opening / closing body for booths to the opening / closing body support member for large booths can be provided with a simpler structure.

Furthermore, according to the fifth embodiment , for example, when both the booth opening / closing body and the large booth opening / closing body are closed, when trying to open the booth opening / closing body for evacuation, etc. The booth opening / closing body can be easily opened by a lifting operation, and after passing through the opened space, the booth opening / closing body can be automatically closed by its own weight.
Therefore, it is possible to easily open the booth opening / closing body in an emergency such as evacuation and to pass through the opened space, and to minimize the opening time and suppress deterioration in closing performance. it can.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
An example of the opening and closing device according to the present embodiment is disposed in or inside an opening part or inside of a housing such as a house, building, warehouse, factory, underground shopping center, tunnel, or vehicle loading platform, and opens and closes the opening part, A preferred embodiment of a shutter device that partitions and opens a space and that is preferable as a fire-proof smoke-proof shutter that shuts off flames, smoke, and the like in the event of a disaster such as a fire will be described.

  The opening / closing device 1 includes an opening / closing body 10 for a frontage that can be opened / closed in the vertical direction, and a opening / closing body 20 for a frontage that is provided along an end in the width direction of the opening / closing body 10 for a frontage. When the front door opening / closing body 10 is closed, the front door opening / closing body 20 is opened / closed in the vertical direction along the widthwise end of the closed front door opening / closing body 10.

The opening / closing body 10 for the front door is connected to a plurality of so-called slats 10a formed by bending a horizontally-long substantially rectangular metal plate so as to rotate between the slats 10a, 10a adjacent vertically. A seat plate member 10b for contacting a contact target portion p (the ground, a floor surface, a lower frame, or the like) is connected to the lower end portion over the opening / closing body width direction.
In addition, the opening / closing body 10 for the large booth is supported by the opening / closing body supporting member 12 for the large booth opening / closing body 20 in the width direction, and the other end in the width direction is a fixed guide. It is supported by the rail 13 and is wound or unwound by the upper winding shaft 14.

  Further, the opening / closing body support member 12 for the booth is formed by linking two support pieces 12a and 12a, and the lower end of the lower support piece 12a is pivotally supported on the lower end side of the opening / closing body 10 for the booth. At the same time, the upper end side of the upper support piece 12a is pivotally supported by an immovable portion (for example, a lintel) above the opening / closing body 10 for the booth.

The opening / closing body support member 12 for the booth is folded in two with the connecting portions of the upper and lower support pieces 12a, 12a facing the opening / closing body 10 for the booth according to the closing operation of the opening / closing body 10 for the booth. And spread downward (see FIG. 1).
And this opening / closing body support member 12 for large booths supports the opening / closing body 10 for large booths when closed along the edge part by the side of the opening / closing body 20 for booths (refer FIG. 2).
Further, when the opening / closing body 10 for the booth is opened, it is stored in the opening / closing body closing direction side together with the opening / closing body body 11 for the booth.

More specifically, each support piece 12a has a substantially semicircular gear portion 12a1 fixed to the other support piece 12a side, and a connecting plate 12c is pivotally supported at the center of the gear portion 12a1. (See FIGS. 4 and 5).
The connection plate 12c is a substantially plate-like member for connecting the upper and lower support pieces 12a, 12a, and has support holes 12c1 that pivotally support the support piece 12a at both ends thereof.
The upper and lower support pieces 12a and 12a are rotatably connected via the connection plate 12c in a state where the gear portions 12a1 and 12a1 are engaged with each other.
Therefore, according to the above structure, when the upper and lower support pieces 12a are expanded from the two-fold state, the one support piece 12a rotates with respect to the other support piece 12a while meshing both the gear portions 12a1 and 12a1. Will do.

As shown in FIG. 3, the upper and lower support pieces 12 a and 12 a are arranged on both front and back sides of the front door opening / closing body 10 with the front door opening / closing body 10 interposed therebetween.
In FIG. 5, reference numeral 12b denotes a spacer for reducing a gap between the opening / closing body 10 for the front door and the support piece 12a, and is fixed to the support piece 12a.

  The fixed guide rail 13 is a member having a substantially U-shaped cross section extending in the opening / closing direction of the opening / closing body 10 for the front door, and is fixed to an immovable portion such as a contact target portion p, a wall surface of the housing, and a column in the housing. Has been.

Further, the winding shaft 14 is rotatably supported by a stationary part such as a storage case above the opening / closing body 10 for the front door through a bearing member, and the upper end of the opening / closing body 10 for the front door is provided on the outer peripheral surface thereof. The part is fastened.
Then, the winding shaft 14 is freely rotated by releasing a lock mechanism (not shown), and feeds the opening / closing body 10 for the front door by the weight of the opening / closing body 10 for the front door.

  The winding shaft 14 is urged to urge the winding shaft 14 in the opening direction so as to moderately suppress the descending speed due to the weight of the opening / closing body 10 for the booth. You may make it provide a member (for example, a governor apparatus etc.) which provides a member (for example, spring etc.) or provides rotation resistance.

  In addition, the winding shaft 14 in the illustrated example is configured to lower the weight of the opening / closing body 10 for the frontage opening so as to be suitable for constructing a fire and smoke / shutter shutter that is closed particularly in an emergency. It is also possible to adopt a mode in which the front door opening / closing body 10 is electrically wound or fed out, a mode in which the large front door opening / closing body 10 is lowered by its own weight, and is wound up electrically.

The booth opening / closing body 20 is formed by connecting a metal seat plate member 22 extending in the width direction to the lower end side of a substantially rectangular main body sheet 21 in front view.
The body sheet 21 is a flexible material having flame retardancy, such as a flame retardant fabric such as glass cloth or silica cloth, a vinyl chloride resin sheet material subjected to fluorine processing, a synthetic resin sheet material containing glass fiber, or the like. Made of adhesive sheet material.
The main body sheet 21 may be configured by sewing a plurality of sheet materials so as to be connected to each other in the vertical direction or the horizontal direction, or by cutting a single sheet material into a substantially rectangular shape. Also good.
In addition, although this main body sheet | seat 21 shows the preferable example which made the opening / closing property of the opening / closing body 20 for booths favorable by comprising from a flexible sheet material, from a viewpoint of improving crime prevention property, etc. It is good also as an aspect which provided the metal slat continuously.

  The booth opening / closing body 20 is supported by the movable guide rail 23 at the end of the opening / closing body 10 for the front door in the width direction and by the fixed guide rail 24 at the other end in the width direction. It is supported and taken up or fed out by the upper take-up shaft 25.

The movable guide rail 23 is configured by symmetrically configuring the above-mentioned opening / closing body support member 12 for the large booth, and in the same manner as the opening / closing body support member 12 for the large booth, the upper and lower support pieces 12a, 12a and the connection plate 12c and the like.
The movable guide rail 23 pivotally supports the lower end side of the lower support piece 12a on the lower end side of the large booth opening / closing body 10 and the upper end side of the upper support piece 12a above the upper booth opening / closing body 10. It is pivotally supported on a stationary part (for example, lintel).
As shown in FIG. 3, the upper and lower support pieces 12 a and 12 a are disposed on both front and back surfaces of the booth opening / closing body 20 with the booth opening / closing body 20 interposed therebetween.

According to the above configuration, the movable guide rail 23 is extended downward substantially in synchronization with the opening / closing body support member 12 for the front door when the opening / closing body 10 for the front door is closed.
More specifically, the movable guide rail 23 widens the connecting portion of the upper and lower support pieces 12a, 12a from the folded state toward the booth opening / closing body 20 side, and opens the opening / closing body support member 12 for the front booth. And it is fed downward.

And the movable guide rail 23 is arrange | positioned substantially linearly over the up-down direction in alignment with the opening-and-closing body support member 12 for Omaguchi.
The movable guide rail 23 in this state guides the booth opening / closing body 20 in the vertical direction by inserting the booth opening / closing body 20 into the gap between the support pieces 12a, 12a on the front and back sides of the booth opening / closing body 20. .
That is, while the opening / closing body support member 12 for the booth is used for the purpose of supporting the end of the opening / closing body 10 in the width direction, the movable guide rail 23 is used to support the opening / closing body for the booth. A member having substantially the same configuration as the member 12 is used for the purpose of guiding the booth opening / closing body 20 in the vertical direction.

  The fixed guide rail 24 is a member having a substantially U-shaped cross section extending in the opening and closing direction of the booth opening / closing body 20, and is fixed to a stationary part such as a contact target part p, a wall surface of the frame, a column in the frame, and the like. Has been.

  The take-up shaft 25 is rotatably supported by a stationary part such as a storage case above the booth opening / closing body 20 via a bearing member, and the upper end of the booth opening / closing body 20 is provided on the outer peripheral surface thereof. The part is fastened.

The winding shaft 25 is freely rotated by releasing a lock mechanism (not shown), and the booth opening / closing body 20 is fed out by its own weight.
When the booth opening / closing body 20 is drawn out by its own weight, the end of the front door opening / closing body 10 in the width direction is engaged with the movable guide rail 23 and the other end in the width direction is engaged. It is engaged in the fixed guide rail 24 and guided downward.

  Further, the take-up shaft 25 moderately suppresses the descent speed due to its own weight of the booth opening / closing body 20 for safety and the like, and facilitates the operation of lifting and opening the booth opening / closing body 20. For this purpose, a biasing member (such as a spring) that biases the winding shaft 25 in the opening direction is provided.

  According to the above-described configuration, in case of emergency escape, the closed booth opening 20 can be easily opened by grasping and lifting the seat plate member 22 or a handle portion (not shown) by hand. Is possible. Further, after opening, the booth opening / closing body 20 is closed again by its own weight, so that the closing performance (including fireproof, smokeproof, dustproof, airtight, etc.) by the booth opening / closing body 20 is maintained. be able to.

Next, another example of the switchgear according to the present invention will be described with reference to FIGS.
The opening / closing device 2 has a configuration in which the movable guide rail 23 is omitted from the opening / closing device 1 and the opening / closing body support member 12 for the large booth is replaced with an opening / closing body support member 12 ′ for the large booth.

  The opening / closing body support member 12 ′ for the booth is configured in substantially the same manner as the opening / closing body support member 12 for the opening of the opening / closing device 1, and supports the opening / closing body 10 for the booth by one end side in the opening / closing body width direction. The small opening / closing body 20 is guided in the vertical direction by the other end side of the large opening / closing body support member 12 in the opening / closing body width direction.

That is, the opening / closing body support member 12 'for the front door in the opening / closing device 2 has a gap between the upper and lower support pieces 12a, 12a on the near side in the opening / closing body thickness direction and the upper and lower support pieces 12a, 12a on the back side. In addition, a guide portion 12a1 for guiding the end portion in the width direction of the booth opening / closing body 20 in the up-down direction is used.
The guide portion 12a1 is provided with a spacer 12d (see FIG. 7) for reducing the gap between the booth opening / closing body 20 and the support piece 12a in substantially the same manner as the spacer 12b on the front opening / closing body 10 side. It is installed.

According to this opening / closing device 2, when the opening / closing body 10 for the front door is closed, the opening / closing body support member 12 ′ for the front door is extended downward in conjunction with the closing operation, and the opening / closing body 10 for the front door is completely When closed, the front door opening / closing body support member 12 ′ is erected along the end portion of the front door opening / closing body 10 on the side of the front door opening / closing body 20.
After that, the booth opening / closing body 20 has one end in the width direction inserted into the guide portion 12a1 of the opening / closing body support member 12 ′ for the front booth, and the other end in the width direction is fixed guide rail 24. In the state where it is inserted into, it closes downward.
The closed booth opening / closing body 20 can be opened by a lifting operation in the same manner as the opening / closing device 1 described above, and automatically closes by its own weight when lifted and opened.

In addition, according to the opening / closing device 1 and the opening / closing device 2 in the illustrated example, each of the opening / closing body support members 12, 12 ′ for the front door and the movable guide rail 23 has a single bent portion in the length direction. However, it is possible to have two or more bent portions.
Furthermore, each of the opening / closing body support members 12 and 12 ′ for the front door and the movable guide rail 23 can be accommodated upward without being bent in the middle of the length direction.

Moreover, according to the opening / closing device 1 and the opening / closing device 2 in the illustrated example, the opening / closing body 20 for the booth is arranged on one end side in the width direction of the opening / closing body 10 for the front door, It is also possible to adopt a configuration (not shown) in which the booth opening / closing body is arranged on the center side, and the booth opening / closing body is arranged on each of the left and right sides of the booth opening / closing body.
In the case of this configuration, the booth opening / closing body on the center side is arranged in parallel to the guide portion of the opening / closing body support member for the front booth that supports the opening / closing body for the front booth on the left and right sides, or to the opening / closing body support member for the front booth. What is necessary is just to guide it to an up-down direction by the movable guide rail.
According to this configuration, since the booth opening / closing body is disposed on the center side in the width direction of the housing opening, it is possible to facilitate the act of opening and passing the booth opening / closing body in an emergency. it can.

Moreover, according to the opening / closing apparatus 1 and 2 of the example of illustration, although the opening / closing body 10 for large booths and the opening / closing body 20 for small booths have been arrange | positioned on the substantially the same plane, It is also possible to adopt a mode in which the booth opening / closing body 20 is arranged on a plane that intersects the booth.
In the case of this aspect, for example, the opening / closing body 10 for the booth and the opening / closing body 20 for the booth are arranged in a substantially L shape in plan view, and between the opening / closing body 10 for the booth and the booth opening 20 for the booth. The opening / closing body support member 12 for the booth and the movable guide rail 23 may also be arranged in a substantially L shape in plan view.
According to this aspect, the booth opening / closing body 20 that can be easily opened / closed according to the structure in the building or the like can be arranged in a convenient manner.
Further, for example, a plurality of large-mouth opening / closing bodies 10 and a plurality of small-mouth opening / closing bodies 20 may be arranged in a frame shape in plan view so as to surround the pothole space.

Moreover, in the said embodiment, each of the fixed guide rails 13 and 24 is good also as an aspect exposed from housing surfaces, such as a building wall surface and a column surface, and good also as an aspect embedded in the housing surface.
In the latter case, as shown in FIG. 8, the fixed guide rail 24 (or 13) is fixed in the recess q formed on the housing surface, and the opening of the recess q can be opened and closed by the lid member 30. If it is set as the structure closed, the appearance on the external appearance of a housing surface can be improved.
Further preferably, a mechanism may be provided in which the lid member 30 is opened by engaging with the opening / closing body 10 for the frontage just after the closing operation is started (or the opening / closing body 20 for the frontage).

  In the above-described embodiment, the fixed guide rail 13 is replaced with a support member that is fed out in substantially the same manner as the opening / closing body support member 12 for the front door, or the fixed guide rail 24 is replaced with the opening / closing body support member 12 for the front door. It is also possible to replace with a support member that is fed out in the same manner.

It is a front view which shows an example of the opening / closing apparatus concerning this invention, and shows the state in the middle of closing the opening / closing body for Omaguchi. It is a front view of the switchgear, and shows the state in the middle of closing the booth opening / closing body. It is the (III)-(III) sectional view taken on the line in FIG. It is the IV section enlarged view in FIG. It is a principal part left side view of the opening-and-closing body support member for Omaguchi, and the principal part right side view of a movable guide rail is also shown similarly. It is a front view which shows the other examples of the switchgear concerning this invention. It is the (VII)-(VII) sectional view taken on the line in FIG. It is a cross-sectional view showing an example of a guide rail storage structure.

DESCRIPTION OF SYMBOLS 10: Opening / closing body for large booths 12, 12 ': Opening / closing body support member for large booths 14: Winding shaft 20: Opening / closing body for booths 23: Movable guide rail 25: Winding shaft

Claims (2)

An opening / closing device configured to continuously connect the opening / closing body for the booth along the end in the width direction of the opening / closing body for the booth,
An opening / closing body support member for the large opening is provided to support the opening / closing body for the large opening along the end in the width direction thereof.
The opening / closing body support member for the booth is configured as a single bar that can be bent by linking two support pieces up and down, and the lower end of the lower support piece is the lower end of the opening / closing body for the booth And the upper end of the upper support piece is pivotally supported on a stationary part above the opening / closing body for the frontage door, and the connecting portion of the two support pieces is connected with the closing operation of the opening / closing body for the frontage opening. Is expanded from the state of being folded in two toward the opening / closing body side for the booth, and is extended downward.
When the opening / closing body for the booth is completely closed, the opening / closing body support member for the booth is erected, and then, the opening / closing body for the booth opens with one end in the width direction thereof While being inserted into the body support member and guided downward by the opening / closing body support member for the front door, the opening is closed,
An opening / closing apparatus characterized in that no member interferes with the opening during the closing operation of the opening / closing body for the large booth . The opening / closing body support member for the front door is provided with the support pieces linked in the vertical direction on the front side and the back side with an interval in the opening / closing body thickness direction, and these front side support pieces and the back side support The opening / closing body for the large frontage is inserted and supported at one end side in the opening / closing body width direction between the two pieces, and the other opening / closing body in the width direction of the opening / closing body between the two is inserted and supported. The opening / closing apparatus according to claim 1, wherein the opening / closing apparatus is a guide portion for guiding the opening / closing direction .

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