JP6214198B2 - Switchgear - Google Patents

Description

  The present invention relates to an opening / closing device that opens and closes a passage opening in a frame by opening and closing the opening / closing body in a lateral width direction in a frame fitted to an inner edge of a housing opening.

Conventionally, in this type of invention, for example, as described in Patent Document 1, a frame (10) surrounding a passage opening (s) and an upper frame (13) of the frame A guide rail (70) mounted in the lateral direction, a suspension wheel (21) rolling on the guide rail, an opening / closing body (20) suspended by the suspension vehicle, and the suspension vehicle in the upper frame portion There is a sliding door device provided with a linear motor part (30) for moving the motor.
And in this sliding door device, the door end side vertical frame (side frame portion 11) constituting the frame body (10) and the door end of the open / close body (20) when fully closed are fitted in an uneven shape, Even in the event of a fire, etc., flames and smoke are prevented from passing through the gaps between them.

  However, according to the prior art, the door-end vertical frame (side frame portion 11) has an opening at a portion facing the inner edge of the housing opening (see FIG. 5 of Patent Document 1), so that high heat is generated in a fire. Then, the door-end-side vertical frame (side frame portion 11) is thermally deformed so as to narrow or widen the opening, and the door-end-side vertical frame and the fully-closed opening / closing body (20) There is a risk of creating a gap with the door.

JP-A-2005-90040

  The present invention has been made in view of the above-described conventional circumstances, and the problem is to prevent the frame from being deformed by high heat during a fire or the like, and preventing flames, smoke, and the like from passing outside the opening and closing body. An object of the present invention is to provide a switchgear that can be used.

One means for solving the above-described problems includes a frame body that is fitted into the inner edge of the housing opening, and an opening / closing body that is movable in the lateral width direction so as to open and close the passage opening inside the frame body. in switchgear, to the frame, the include door leading side vertical frame which fits in the vertical direction part of the inner edge of the skeleton openings in the closing direction of the passage opening, the door leading side vertical frame, It is a cross-sectional hollow frame shape having an opening in a portion that fits in the vertical direction portion, and is formed in a long shape that the cross-sectional shape is continuous in the vertical direction. While having a part which protrudes in the wall thickness direction from a housing opening part, it has a crevice which fits into the door end of the opening-and-closing body in the protrusion part, and the opening is inside the opening in the door-end side vertical frame. A reinforcing material is provided so as to straddle the wall thickness direction. On both sides across the opening while being fixed to the inside surface of the door end side vertical frame, characterized in that it is secured to the back surface of the recess.
.

  Since the present invention is configured as described above, it is possible to prevent the frame body from being deformed due to high heat during a fire or the like, and to prevent flames, smoke, and the like from passing outside and inside the opening / closing body.

It is the front view which looked at the switchgear concerning the present invention from the room inner side. It is sectional drawing which follows the (II)-(II) line | wire in FIG. It is sectional drawing which follows the (III)-(III) line | wire in FIG. It is sectional drawing which follows the (IV)-(IV) line | wire in FIG. It is a longitudinal cross-sectional view of the part which has a drive device about the switchgear. It is sectional drawing which follows the (VI)-(VI) line | wire in FIG. It is sectional drawing which follows the (VII)-(VII) line | wire in FIG. It is a structural diagram which cuts out the principal part of a sliding door and shows an inside. It is the figure which looked at the sliding door from the upper part. It is the figure which looked at the sliding door from the downward direction. It is a principal part cross-sectional view of a sliding door. An example of the panel on the door pocket side is shown, (a) is a front view, and (b) is a side view. It is a longitudinal cross-sectional view which shows an example of the detour on the upper end side. It is a cross-sectional view showing an example of a detour on the door end side. It is a principal part expanded longitudinal sectional view which shows the lower end side of a sliding door. It is a cross-sectional view which shows the other examples of the switchgear concerning this invention. The other example of an upper end side flame-proof auxiliary member is shown, (a) is a top view, (b) is a front view, (c) is a left view.

The first feature of the present embodiment includes a frame body that is fitted to the inner edge of the housing opening, and an opening / closing body that is movable in the lateral width direction so as to open and close the passage opening inside the frame body. In the opening / closing device, the frame body has a hollow cross-sectional shape having an opening at a portion that fits the inner edge of the housing opening, and is formed so that the cross-sectional shape is continuous in the longitudinal direction of the inner edge. A reinforcing material is fixed inside the opening so as to straddle the opening in the wall thickness direction.
According to this configuration, the reinforcing member can prevent the frame body from being deformed by widening or narrowing the opening due to high heat during a fire.

A second feature is that the frame body is a door-end-side vertical frame disposed so as to face the door end of the opening / closing body in a closed state, and has a recess that fits into the door end of the opening / closing body.
According to this configuration, the reinforcing material is such that due to thermal deformation of the door-end-side vertical frame, the fitting between the concave portion of the door-end frame vertical frame and the door-end of the opening / closing body becomes shallow and airtightness is impaired. Can effectively prevent.

A third feature is that the door-end side vertical frame protrudes from the housing opening in the wall thickness direction, the recess is disposed in the protruding portion, and the reinforcing material is placed on both sides of the door across the opening. While being fixed to the inner surface of the side vertical frame, it is also fixed to the back surface of the recess.
According to this configuration, it is effective to thermally deform the two recessed portions of the door-end side vertical frame away from the door-end of the opening / closing body by the two fixed portions on both sides of the opening and the fixed portion on the back surface of the recessed portion. Can be prevented.

According to a fourth feature, the reinforcing member is composed of one piece fixed to the inner surface of the door-side vertical frame on both sides of the opening and the other piece fixed to the back surface of the recess. The cross section is formed in an L shape.
According to this structure, the heat deformation of the door-end side vertical frame can be more effectively prevented by the reinforcing member having an L-shaped cross section.

Further, as a more preferable feature, the door side vertical frame has a projecting piece portion that protrudes toward the inner edge side and fits to the inner edge on a surface facing the inner edge of the housing opening.
According to this structure, it can prevent that a clearance gap produces between the said door-end side vertical frame and the inner edge of the said housing opening part by the thermal deformation of the said door-end side vertical frame.

Further, as a more preferable feature, there is an opening / closing device installation structure in which the opening / closing device having the above-described configuration is installed in a housing opening, and the structural material is fixed inside the wall member having the housing opening, The reinforcing material was fixed integrally with an anchor (see FIGS. 4 and 16).
According to this configuration, thermal deformation of the frame can be prevented more effectively.

  Although the opening / closing device can be a sliding door device or a folding door device, it is preferable to constitute the folding door device as an aspect that effectively prevents a decrease in hermeticity due to thermal deformation.

Next, a preferred specific example of the present embodiment having the above features will be described in detail with reference to the drawings.
The following opening / closing devices are arranged at openings in housings such as hospitals, buildings, houses, warehouses, factories, and vehicle loading platforms, and hang on the guide rails and move substantially linearly in a substantially horizontal direction. This will be described as an example applied to a sliding door device of the upper suspension type.

  The opening / closing device 1 includes a frame body 10 fitted in the inner edge X1 of the housing opening, and a sliding door 20 (opening / closing body) movable in the lateral width direction so as to open and close the passage opening A inside the frame 10. (See FIG. 1), and is configured to prevent deformation of the frame 10 due to high heat during a fire.

The frame body 10 is located on the upper lateral frame 11 located above the opening / closing path of the sliding door 20 (opening / closing body) and the closing direction side (left end side according to FIG. 1) of the passage opening A, and is closed. The door end side vertical frame 12 facing the door end of the sliding door 20, the center side vertical frame 13 positioned closer to the center of the opening / closing range of the sliding door 20, and the door bottom of the sliding door 20 when fully open are positioned. And a door bottom side vertical frame 14.
According to the example shown in FIG. 1, the frame body 10 is provided with a passage opening A in the left portion of the frame, and a door pocket portion B for housing the sliding door 20 in the right side of the frame. Are fitted to the inner edge X1 of the housing opening, and the door pocket portion B is embedded inside the wall material x in the housing to which the opening / closing device 1 is installed.

  The upper lateral frame 11 is composed of an opening side portion 11a located above the passage opening A and a door side portion 11b located above the door portion B, and the opening / closing body opening / closing direction (horizontal direction according to FIG. 1). ) To form a substantially hollow box shape. The opening side portion 11a and the door pocket side portion 11b may be an integral member extending in the lateral width direction of the opening / closing body or may be formed by joining separate members. And the upper end part of the sliding door 20 is inserted in the state which has a clearance gap at the lower end part of the upper side horizontal frame 11.

As shown in FIG. 2, the opening side portion 11 a of the upper horizontal frame 11 includes a base portion 11 a 1 having a substantially inverted L-shaped longitudinal section and a cover portion 11 a 2 that can be attached to and detached from the base portion.
Further, as shown in FIG. 3, the door side portion 11b of the upper horizontal frame 11 includes a base portion 11b1 having a substantially inverted L-shaped longitudinal section and a fire plate 11b2 that is detachably attached to the base portion. . The fire prevention plate 11b2 has a hook-like hooking portion 11b21 (see FIGS. 3 and 12B) on the upper end side thereof, and the hooking portion 11b21 is recessed to the inside of the door pocket portion B and hooked on the base portion 11b1. Are fixed by welding (see FIG. 3). In the figure, reference numeral 11p denotes a welded portion.
Note that the structures such as the latching portion 11b21 and the welded portion 11p exhibit the above-described operational effects such as workability even when applied to a normal sliding door device having a fire resistance lower than that of the above aspect.
In addition, a bottom member 11q having a concave longitudinal section is provided on the bottom portion in the door pocket portion B continuously in the door width direction. The bottom member 11q is made of a fire-resistant metal plate, and prevents a melted material or the like that has dropped during a fire from coming into contact with a floor surface of a building or the like to cause ignition.

  Further, in the upper horizontal frame 11, a guide rail 11c (see FIGS. 2 and 3) having a substantially L-shaped cross section extending over substantially the entire length in the lateral width direction, and a braking device that alleviates an impact when fully closed (or fully opened). 11d (see FIG. 2), drive device 11e (see FIG. 5) for urging the sliding door 20 in the closing direction, a door contact member 11f (see FIG. 3) that receives the sliding door 20 when fully opened, and a fire under the guide rail 11c The receiving member 11g etc. which receives the fallen object etc. which were fuse | melted with high heat are provided.

The inverted L-shaped base 11a1 of the upper horizontal frame 11 has a frame-side protruding piece 11a11 that constitutes the detour s1 on the lower end side. Similarly, the cover 11a2 also has a detour on the lower end side. It has the frame side protrusion piece part 11a21 which comprises s1.
Each of the frame-side protruding piece portions 11a11 and 11a21 has an opening edge (see FIG. 2) into which the sliding door 20 is inserted at the lower end surface of the opening-side portion 11a (see FIG. 1) of the upper lateral frame 11. It is formed by bending upward at a position close to the door, and is continuous in the width direction of the sliding door 20.

The door end side vertical frame 12 is a member that is located at the end of the passage opening A on the sliding door closing direction side and faces the door end of the closed sliding door 20, and extends from the upper horizontal frame 11 to the floor surface. It is continuous in the vertical direction (see FIG. 1) and is fitted to the inner edge X1 of the housing opening on the closing direction side (left side according to FIG. 1) of the passage opening A.
This door-end side vertical frame 12 is formed into a hollow cross-sectional frame shape having an opening 12x at a portion that fits the inner edge X1 of the housing opening by bending a fire-resistant metal plate material by pressing or the like. The cross-sectional shape is continuous in the longitudinal direction of the inner edge X1 (up and down in the illustrated example).

  And this door-end side vertical frame 12 forms the recessed part 12a for fitting / removing the door-end of the sliding door 20 on the surface facing the sliding door 20 so that it may continue in an up-down direction (refer FIG. 4). . A cushioning material 12c made of an elastic body (for example, rubber or an elastic synthetic resin material) is provided on the bottom surface of the recess 12a so as to receive the door of the sliding door 20 when fully closed and reduce the impact. It is done.

Moreover, the door-end side vertical frame 12 has projecting pieces 12d and 12d that protrude toward the inner edge X1 on the surface facing the inner edge X1 of the housing opening (see FIG. 4).
As shown in FIG. 4, the projecting pieces 12d are disposed on both sides in the wall thickness direction so as to sandwich the opening 12x. These projecting piece portions 12d and 12d are fitted into the inner edge X1 of the housing opening. And each protrusion 12d has overlapped with the inner surface of the wall material x which comprises the inner edge X1 of a housing opening part. According to this structure, it is possible to prevent the door-end side vertical frame 12 from being thermally deformed due to high heat at the time of a fire, and to generate a gap between the door-end side vertical frame 12 and the inner edge X1 of the housing opening.

Further, as shown in FIG. 4, a reinforcing member 12b is fixed inside the door-end side vertical frame 12 so as to straddle the opening 12x in the wall thickness direction. A plurality of the reinforcing members 12b are arranged at intervals in the vertical direction at the position of the inner edge X1 facing the closing direction side of the housing opening.
Each reinforcing member 12b is made of a metal material and is a plate-like member that is long in the wall thickness direction, and both sides in the longitudinal direction are welded to the inner surface of the door-end side vertical frame 12.

Each reinforcing member 12b is fixed to the structural member X2 on the housing side via a plurality of anchors 12e (two in the example of FIG. 4).
The anchor 12e is a metal rod-like member, and one end side thereof is welded to the reinforcing material 12b, and the other end side is welded to the structural material X2. In FIG. 4, reference numeral 12f denotes a welded portion. The means for fastening the anchor 12e can be fastening using bolts and nuts, fastening using screws or nails, or the like.
According to the illustrated example, the structural material X2 is a metal columnar member sandwiched between the front and back wall materials x, x, and is continuous in the vertical direction and fixed fixedly. The structural material X2 constitutes a housing such as a building on which the opening / closing device 1 is installed.

Further, the central vertical frame 13 is a member that forms the inner edge of the passage opening A on the sliding door opening direction side, and is continuous in the up-down direction from the lower end of the upper horizontal frame 11 to the floor surface and is opened. It has the opening part which inserts the sliding door 20 of.
Further, as shown in FIG. 4, frame body side projecting pieces 13 a and 13 a are provided on the inner side of the opening in the central side vertical frame 13 so as to be positioned on both sides in the door thickness direction with the sliding door 20 interposed therebetween.
Each of the frame-side protruding piece portions 13a, 13a protrudes from the inner edge of the opening of the center-side vertical frame 13 to the sliding door 20 surface side, and is bent substantially in the cross section along the sliding door 20 surface in the door bottom direction. It is formed in an L shape (see FIG. 4), and forms a detour s2 to be described later continuously over substantially the entire vertical length of the passage opening A.

Moreover, the door bottom side vertical frame 14 is a member which comprises the edge part by the side of the sliding door opening direction of the door pocket part B (refer FIG. 1), and has continued in the up-down direction ranging from the upper side horizontal frame 11 to a floor surface.
As shown in FIG. 4, the door bottom side vertical frame 14 is formed in a cross-sectional hollow frame shape having an opening 14a in the sliding door opening direction (right direction according to the illustrated example), and the opening 14a is formed in the inside. The reinforcing material 14b is provided so as to straddle. The reinforcing member 14b is a long rectangular metal member extending in the wall thickness direction, and one end side and the other end side in the longitudinal direction are welded to the inner surface of the door-side vertical frame 14, respectively.
In addition, a cushioning material 15 (for example, a cushioning material 15 that receives the door butt side end portion of the sliding door 20 when fully opened on the sliding door closing direction side (the left side in FIG. 4) of the door tip side vertical frame 14 and reduces the impact thereof. An elastic body such as rubber is fixed (see FIG. 4).

The space between the center side vertical frame 13 and the door bottom side vertical frame 14 is a door pocket portion B that houses the sliding door 20 when opened, and both end surfaces in the door thickness direction of the door pocket portion B are shown in FIG. Thus, it is comprised by fireproof fire-proof board 11b2, 11b3, 11b4 (for example, an iron plate etc.).
3 and 4, reference numeral 11 p is a welded portion that welds the fire prevention plates 11 b 2, 11 b 3, and 11 b 4 to the base 11 b 1 and other panel materials. The welded portion 11p and the joint location by the welded portion 11p are provided in a portion where the fireproof plates 11b2, 11b3, and 11b4 are partially recessed to the inside of the door pocket portion B so as to avoid interference with the inner surface of the outer wall material x. The welding part 11p may be provided continuously in the horizontal width direction, or may be provided intermittently in the horizontal width direction.

  The sliding door 20 (opening / closing body) includes a sliding door body 21 (see FIG. 1) having a substantially rectangular shape when viewed from the front, an upper end side flameproof auxiliary member 22 (see FIG. 2) fixed to the upper end surface of the sliding door body 21, A support bracket 23 and a suspension wheel 24 (see FIG. 2) projecting upward from the flame auxiliary member 22 and a door bottom side flameproof auxiliary member 25 (see FIG. 4) fixed to an end surface of the sliding door main body 21 on the door bottom side. It has. The sliding door 20 is suspended from the guide rail 11c by a suspension wheel 24, and the lower end side is fitted to a guide roller 26 (see FIG. 2) on the floor surface, and linearly moves in the lateral width direction.

  The sliding door main body 21 is configured in a rectangular plate shape that substantially covers the passage opening A, and an upper end portion thereof is inserted into the upper horizontal frame 11. The sliding door body 21 is configured in a hollow shape having a certain thickness, and the inside thereof is made of a material (for example, a heat insulating material, a soundproofing material, a fireproof member, a reinforcing material, etc.) according to the purpose of use of the switchgear 1. A core material 21a is provided.

The upper end side flameproof auxiliary member 22 is a substantially rectangular plate-like member fixed to the upper end surface of the sliding door body 21 over substantially the entire length in the sliding door width direction (see FIGS. 8 and 9), and both end portions in the door thickness direction. From the front and back surfaces of the sliding door body 21 (see FIG. 2). On the protruding end side, there are a sliding door side protruding piece portion 22a that protrudes downward and forms a bypass s1 described later, and a protruding piece portion 22b that protrudes upward and prevents falling of a melt or the like in a fire (FIG. 2). And FIG. 13).
Moreover, the door butt side edge part 22c of the upper end side flame-proof auxiliary member 22 protrudes into the door pocket part B from the door edge side edge part of the sliding door 20 (refer FIG. 8), and the melted material at the time of a fire is inside the door bag part B. To prevent it from falling to the doorside.
The material of the upper end side flameproof auxiliary member 22 may be any material having good heat resistance and corrosion resistance, such as a galvanized steel sheet.

As shown in FIG. 13, the sliding door-side protruding piece 22a separates the protruding end in the door thickness direction of the upper-end-side flameproof auxiliary member 22 from the sliding door 20 surface rather than the frame-side protruding piece 11a21, and on the sliding door surface. It is formed by bending downward along.
This sliding door side protruding piece 22a is continuous over substantially the entire length of the sliding door 20 in the width direction.

Further, as shown in FIG. 13, the protruding piece 22b on the upper lateral frame 11 side is a sliding door protruding piece at a position where the protruding end side of the upper end side flameproof auxiliary member 22 is separated from the sliding door 20 surface. Contrary to the portion 22a, it protrudes upward and is continuous over substantially the entire length in the width direction of the sliding door 20.
The protrusions 22b are provided at both ends of the upper end side flameproof auxiliary member 22 in the door thickness direction. For example, when the guide rail 11c (aluminum alloy) or the suspension wheel 24 (synthetic resin material) is melted in a fire. , And prevent these melts from falling down.

  Further, as shown in FIG. 9, a plurality of gas vent holes 22 d are provided on the upper surface of the upper end side flameproof auxiliary member 22. These degassing holes 22d communicate with the space in the sliding door 20 and allow the gas in the sliding door 20 generated by the high temperature during a fire to escape into the upper lateral frame 11.

  On the upper surface of the upper end side flameproof auxiliary member 22, a cylindrical bank portion 22e protruding upward from the upper surface of the upper end side flameproof auxiliary member 22 is provided around the gas vent hole 22d (see FIG. 9). The bank portion 22e prevents a melt due to a high temperature during a fire from entering the sliding door 20 through the gas vent hole 22d. As a result, the core material 21a, the adhesive, and the like in the sliding door 20 are melted by the melt. Prevent fire or ignition.

Moreover, as shown in FIG. 9, the door-end side protrusion piece part 22f and the door-end side protrusion piece part 22g are each provided in the door-end side and door-end side in the upper surface of the upper end side flame-proof auxiliary member 22. . These projecting piece portions 22f and 22g protrude upward from the upper surface of the upper end side flameproof auxiliary member 22 and are continuous between the projecting piece portions 22b and 22b on both sides in the door thickness direction.
The door end side protruding piece portion 22f prevents the melt at the time of a fire from falling to the door end side. Moreover, the door bottom side protrusion piece part 22g prevents the molten material at the time of a fire falling to the door bottom side.

  In FIG. 9, reference numeral 22h denotes an attachment hole for fixing the support bracket 23 of the suspension vehicle 24. In order to prevent the melt of the suspension vehicle 24 from falling into the gas vent hole 22d in the event of a fire, It is provided at a position away from the door width direction.

Further, a plurality of support brackets 23 and suspension vehicles 24 are supported on the upper end surface of the sliding door body 21 (specifically, the upper end side flameproof auxiliary member 22) at intervals in the sliding door width direction (two in the illustrated example). The
According to the illustrated example, the support bracket 23 is a metal fitting having an L-shaped cross section, and its bottom piece is fixed to the upper end of the sliding door body 21 and the suspension wheel 24 is rotatably supported by the vertical piece protruding upward. doing.
The suspension wheel 24 is formed in, for example, a thin cylindrical shape from a synthetic resin material or the like, and is engaged so that its outer peripheral surface rolls on the guide rail 11c.

  Further, the door butt side flameproof auxiliary member 25 is a substantially rectangular plate-like member fixed to the door butt side end surface of the sliding door main body 21 over substantially the entire length of the sliding door vertical direction (FIGS. 4, 10, and 11). reference). Sliding door side protrusions 25a that protrude from the surface of the sliding door main body 21 and also protrude in the door tip direction are formed at both ends of the door bottom side flameproof auxiliary member 25 in the door thickness direction. This sliding door side protruding piece 25a constitutes a detour s2 described later.

  According to the opening / closing device 1 configured as described above, especially when the sliding door 20 is fully closed or substantially fully closed, the sliding door side protruding piece portion 22a and the frame body side protruding piece portions 11a11 and 11a21, and the sliding door 20 and the sliding door A gap is provided between the side protrusions 22a so as to form detours s1 and s2 and to avoid interference and contact with the sliding door 20 when the sliding door 20 is opened and closed.

Further, as shown in FIG. 13, the detour path s <b> 1 on the upper end side of the sliding door 20 provided in the gap is formed on the sliding door side protruding piece 22 a that protrudes from the upper end of the sliding door 20 in the door thickness direction and faces downward, and The frame side projecting piece portions 11a21 and 11a11 project from the lower end side and enter from the lower side between the sliding door surface and the sliding door side projecting piece portion 22a, and the space in the upper horizontal frame 11 and the like. The detour s1 communicates one space sandwiching the sliding door 20 and the other space (for example, the space on the left and right of the sliding door 20 in FIG. 13) via the inside of the upper horizontal frame 11.
This bypass s1 prevents the gas stored in the upper horizontal frame 11 (gas storage part) from the sliding door 20 through the gas vent hole 22d from leaking outside through the gap between the upper horizontal frame 11 and the sliding door 20. In order to keep it to a minimum, a substantially meandering path is formed in which the traveling direction of the fluid entering the gap from the inside of the upper lateral frame 11 (gas accommodating portion) is once reversed and then returned to the original direction. (See the two-dot chain line in FIG. 13).

Further, as shown in FIG. 14, the bypass s <b> 2 on the door butt side of the sliding door 20 protrudes from the door butt side end of the sliding door 20 in the door thickness direction and extends in the door tip direction 25 a. The space in the frame-side protruding piece portion 13a and the door pocket portion B that protrudes from the door end side end portion of the central vertical frame 13 to the sliding door 20 surface side and enters between the sliding door 20 surface and the sliding door-side protruding piece portion 25a. Composed of etc. The bypass s2 communicates one space sandwiching the sliding door 20 and the other space (for example, the space above and below the sliding door 20 in FIG. 14) via the inside of the door pocket portion B.
This bypass s2 is configured so that the gas accommodated in the upper horizontal frame 11 (gas accommodating portion) and the door pocket portion B from the sliding door 20 through the gas vent hole 22d is a gap between the central vertical frame 13 and the sliding door 20. In order to prevent leakage from the outside to the minimum, the substantially serpentine path that returns to the original direction after the direction of travel of the fluid entering the gap from the inside of the door pocket portion B (gas storage portion) is once reversed is reversed. (See the two-dot chain line in FIG. 14).

In FIG. 13, reference numerals 21 b and 21 c are surface plates that constitute the front and back portions of the sliding door body 21, and are provided in a substantially rectangular plate shape on each of the front and back portions of the sliding door body 21.
In FIG. 13, reference numeral 21 d is an aggregate having a U-shaped cross-section continuous in the sliding door width direction, and surface plates 21 b and 21 c are bonded to both end faces in the door thickness direction.
In FIG. 13, reference numeral 21 e is a U-shaped reinforcing material that is continuous in the sliding door width direction, and is fitted over the upper end of the sliding door main body 21 in the thickness direction, so that the surface plate 21 b due to high heat during a fire. , 21c is prevented from peeling off from the aggregate 21d.

Further, in FIG. 14, reference numeral 21 f is an aggregate having a U-shaped cross section that continues in the vertical direction along the inner surface on the door bottom side of the sliding door body 21, and the surface plates 21 b and 21 c are provided at both end surfaces in the door thickness direction. Is glued.
In FIG. 14, reference numeral 21 g is a U-shaped reinforcing member that continues in the vertical direction along the outer surface of the sliding door body 21 on the door butt side, and straddles the door butt side end of the sliding door body 21 in the thickness direction. By fitting together, the surface plates 21b and 21c are prevented from being peeled off from the aggregate 21f due to high heat during a fire.

Further, in FIG. 15, reference numeral 21 h is an aggregate having a U-shaped cross section that continues in the width direction of the sliding door along the inner surface on the lower end side of the sliding door main body 21, and the surface plates 21 b and 21 c are provided on both end faces in the door thickness direction. Is glued.
In FIG. 15, reference numerals 21b1 and 21c1 denote bent portions having a substantially U-shaped cross section formed by crushing and bending the lower ends of the surface plates 21b and 21c, respectively. The bent portions 21b1 and 21c1 are respectively fitted in a concave shape to the lower edge of the aggregate 21h, thereby preventing the surface plates 21b and 21c from being peeled off from the aggregate 21h due to a high temperature during a fire.
In particular, as shown in the bottom view of the sliding door 20 in FIG. 10, the gap c between the bent portions 21b1, 21c1 and the reinforcing member 21m, the gap c between the bent portions 21b1, 21c1 and the reinforcing member 21g, and the gap between the aggregate 21h and the reinforcing member 21m. c, The gap c between the aggregate 21h and the reinforcing material 21g is set to 0 mm or a dimension close to 0 mm. Therefore, the gas in the sliding door main body 21 can be prevented from flowing out from the gap c due to high heat during a fire or the like.

In FIG. 6, reference numeral 27 denotes a rectangular plate-shaped small window made of heat-resistant plate glass, and reference numeral 27a denotes a frame material that supports the periphery of the small window 27 via packing or the like.
In FIG. 6, reference numerals 21 i and 21 j denote aggregates that receive the frame material 27 a of the small window 27. These aggregates 21i and 21j are continuous over substantially the entire length of the sliding door body 21 in the vertical direction, as shown in FIG. In particular, the aggregate 21j on the door bottom side secures a passage-like space continuous in the vertical direction on the door bottom side in the sliding door main body 21, and this space does not let the gas generated at the time of the fire escape in the lateral width direction or downward. To the upper vent hole 22d (see the two-dot chain line in FIG. 8).

Moreover, in FIG.1 and FIG.7, the code | symbol 28 is a lock device which locks the sliding door 20 at the time of full closure. Reference numeral 21k1 (see FIG. 7) is an aggregate that reinforces the endmost portion of the sliding door body 21, and a cutout 21k11 for assembling the lock device 28 is formed on the upper end of the aggregate 21k1. Is done. In order to prevent a decrease in strength due to the notch 21k11, a reinforcing member 21k2 having a U-shaped cross section is provided inside the portion having the notch 21k11 in the aggregate 21k1.
That is, if the structure does not have the reinforcing material 21k2, the aggregate 21k1 may be deformed inward in the door thickness direction due to the high temperature at the time of the fire. It can be blocked by the U-shaped reinforcing material 21k2.

Two reinforcing plates 21k3 and 21k3 spaced from each other in the thickness direction are welded and fixed to the reinforcing member 21k2. The lock device 28 is assembled so that the reinforcing plates 21k3 and 21k3 are sandwiched therebetween and inserted.
The aggregate 21k1 and the reinforcing members 21k2 and 21k3 (particularly, the aggregate 21k1) face the reinforcing member 12b with the door-end-side vertical frame 12 interposed in the fully closed state of the sliding door 20 (FIGS. 7 and 4). reference).

  Further, in FIG. 7, reference numeral 21 m is a U-shaped reinforcing material that is continuous in the vertical direction along the outer surface of the sliding door main body 21 on the door tip side, and in the thickness direction at the door tip side end of the sliding door main body 21. By straddling each other, the surface plates 21b and 21c are prevented from being peeled off from the aggregate 21k1 due to high heat during a fire.

Next, characteristic operation and effects of the opening / closing device 1 having the above-described configuration will be described in detail.
In the fully closed state of the switchgear 1 (see FIG. 4), when the door-end side vertical frame 12 and its vicinity receive a flame, the door-end side vertical frame 12 tends to be deformed by high heat due to the flame. Can be prevented by the structure of the reinforcing member 12b, the projecting piece 12d, the anchor 12e, and the like.
More specifically, the reinforcing member 12b prevents the door-end side vertical frame 12 from being deformed so as to widen or narrow the opening 12x in the wall thickness direction.
Further, the projecting piece portion 12d prevents the door-end side vertical frame 12 from being deformed into a bow shape in the vertical direction, and between the door-end side vertical frame 12 and the inner edge X1 of the housing opening, etc. Prevents gaps in the sliding door width direction.
In addition, the anchor 12e fixes the door-end side vertical frame 12 to the structural material X2, and the door-end side vertical frame 12 is thermally deformed, or due to the heat deformation, the door-end side vertical frame 12 and the housing opening. This prevents a gap in the width direction of the sliding door from occurring between the inner edge X1 of the part or between the door-end side vertical frame 12 and the sliding door 20.
Further, the aggregate 21k1 and the reinforcing members 21k2 and 21k3 help to prevent the door-end side vertical frame 12 from being deformed so as to narrow the opening 12x in the wall thickness direction when the sliding door 20 is fully closed. (See FIGS. 4 and 7).

Further, on the door pocket portion B side, the reinforcing material 14b can prevent the door bottom side vertical frame 14 from being thermally deformed due to high heat during a fire.
Further, when flame, smoke, or the like is about to pass through a gap on the upper end side or door bottom side of the fully closed sliding door 20, this passage can be blocked by the detours s1, s2.
Therefore, according to the switchgear 1, it is possible to prevent the frame body 10 from being deformed by high heat during a disaster or the like, and to prevent the passage of flames, smoke, and the like inside and outside the sliding door 20.

Next, an opening / closing device 2 as another specific example of the present embodiment will be described (see FIG. 16). In addition, about this switchgear 2, about the part substantially the same as the said switchgear 1, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted.
The above-described switchgear 1 (see FIG. 1) arranges the sliding door 20 within the thickness t of the wall portion of the building structure, whereas the switchgear 2 shown below (see FIG. 16) The sliding door 20 ′ is arranged so as to protrude in the thickness direction from the wall portion (referred to as an imposition type).

  The opening / closing device 2 includes a frame 10 ′ having a rectangular passage opening A inside and fitted into the inner edge X 1 of the housing opening, and a sliding door 20 that opens and closes the passage opening A by movement in the lateral width direction. 'And.

The frame body 10 'is an upper horizontal frame (not shown) positioned on the upper side of the opening / closing path of the sliding door 20, and a door tip positioned on the closing direction side (the left end side according to FIG. 16) of the passage opening A. Side vertical frame 12 ', central side vertical frame 13' positioned near the center of the opening / closing range of sliding door 20 ', and door bottom side vertical frame 14' positioned to face the door bottom of sliding door 20 'when fully open It comprises.
A detour is formed between the upper horizontal frame (not shown) of the frame body 10 'and the sliding door 20' in substantially the same manner as the opening and closing device 1 (see FIG. 13). A meandering detour s3 is also formed between the door bottom side portion of the sliding door 20 ′ and the door bottom side vertical frame 14 ′ (see FIG. 16).

The door end side vertical frame 12 'is a member that is located at the end of the passage opening A on the sliding door closing direction side and faces the door end of the closed sliding door 20'. It is continuous up and down.
This door-end side vertical frame 12 'has an opening 12x' at a portion that fits the inner edge X1 of the housing opening by bending a fire-resistant metal plate material by pressing or the like, and from the surface of the wall material x It has a protruding portion 12y ′ protruding in the thickness direction (downward according to FIG. 16), and is formed in a long shape that continues in the longitudinal direction (vertical direction) of the inner edge X1.
In the protruding portion 12y ′, a concave portion 12a ′ for fitting and removing the door of the sliding door 20 ′ is formed in the vertical direction. A cushioning material 12c made of an elastic body (for example, rubber, elastic synthetic resin material, etc.) is received on the bottom surface of the recess 12a 'so as to receive the door of the sliding door 20' when fully closed and to reduce the impact. 'Is provided.

Moreover, door end side vertical frame 12 'has protrusion piece part 12d' which protrudes to the said inner edge X1 side in the surface facing inner edge X1 'of a housing opening part (refer FIG. 16).
As shown in FIG. 16, the protrusions 12d ′ are disposed on both sides in the wall thickness direction so as to sandwich the opening 12x ′. These protrusions 12d ′ and 12d ′ are fitted into the inner edge X1 of the housing opening. And each protrusion 12d 'has overlapped with the inner surface of the wall material x which comprises the inner edge X1' of a housing opening part. According to this structure, it is possible to prevent the door-end side vertical frame 12 'from being thermally deformed due to high heat during a fire, and to prevent a gap from being generated between the door-end side vertical frame 12' and the inner edge X1 'of the housing opening. it can.

Further, as shown in FIG. 16, a reinforcing member 12b ′ is fixed inside the door-end side vertical frame 12 ′ so as to straddle the opening 12x ′ in the wall thickness direction. A plurality of the reinforcing members 12b ′ are arranged at intervals in the vertical direction.
Each reinforcing member 12b ′ is made of a metal material, and is a piece 12b1 ′ welded to the inner surface of the door-end side vertical frame 12 ′ on both sides straddling the opening 12x ′, and the other welded to the back surface of the recess 12a ′. One piece 12b1 'formed in a L-shaped cross section consisting of the piece 12b2' is located on the housing opening side of the protruding portion 12y ', and the other piece 12b2' is recessed from the piece 12b1 '. It is located on the 12a 'side and protrudes to the sliding door 20' to the door bottom side.

  Each reinforcing member 12b 'is fastened to the structural member X2 on the housing side via a plurality of (two in the example of FIG. 16) anchors 12e in the same manner as the opening / closing device 1 described above. Each anchor 12e has one end welded to the reinforcing member 12b 'and the other end welded to the structural member X2. In FIG. 16, reference numeral 12f denotes a welded portion. The means for fastening the anchor 12e can be fastening using bolts and nuts, fastening using screws or nails, or the like.

The central vertical frame 13 ′ is a member that forms the inner edge of the door opening A of the passage opening A and overlaps the rear end portion of the sliding door 20 ′ when fully closed.
On one end side (lower end side according to FIG. 16) in the door thickness direction of the central side vertical frame 13 ′, a frame body side protruding piece 13a ′ is provided so as to protrude in the door thickness direction and face in the door butt direction. . The frame-side protruding piece 13a ′ is provided continuously in the vertical direction and constitutes a detour s3 described later.
As shown in FIG. 16, the center-side vertical frame 13 ′ is formed in a hollow frame shape having an L-shaped cross section having an opening 13x ′ at a portion that fits the inner edge X1 ′ of the housing opening, and the inner edge X1 ′ The projections 13d 'and 13d' are fitted with each other, and the reinforcing member 13b 'is fixed inside so as to straddle the opening 13x'.

  The projecting piece portions 13d 'and 13d' are fitted to the inner edge X1 'of the housing opening so as to overlap the inner surface of the wall member x.

A plurality of reinforcing members 13b ′ are provided at intervals in the vertical direction. As shown in FIG. 16, each reinforcing member 13b ′ is formed in an L-shaped cross section, and one end side and the other end side thereof are welded to the inner surface of the center-side vertical frame 13 ′. The means for fastening the reinforcing member 13b ′ can be fastening using bolts and nuts, fastening using screws or nails, or the like.
This reinforcing material 13b ′ suppresses deformation of the central vertical frame 13 ′ by expanding or narrowing the opening 13x ′ due to high heat during a fire.

  The reinforcing material 13b 'is welded to the structural material X4 such as a building via the anchor 12e, like the door-end side vertical frame 12' on the door-end side. Reference numeral 12f denotes a welded portion.

Further, the door bottom side vertical frame 14 ′ protrudes from the wall portion of the construction structure or the like to the sliding door 20 ′ side (downward according to FIG. 16) and continues in the vertical direction from the upper horizontal frame (not shown) to the floor surface. The door bottom side end part of the door pocket part B for accommodating sliding door 20 'is comprised.
As shown in FIG. 16, the door bottom side vertical frame 14 ′ is formed in a hollow frame shape having a concave cross section having an opening on the wall material x side, and a reinforcing material 14 b ′ is welded to the inner surface on the opening side. Yes. The reinforcing material 14b ′ is welded to the structural materials X5 and X6 in the wall materials x and x via a plurality of anchors 12e.

Further, the sliding door 20 ′ is configured such that the door butt side flameproof auxiliary member 25 is replaced with a door butt side flameproof auxiliary member 25 ′ with respect to the sliding door 20.
The door butt side flameproof auxiliary member 25 ′ is a substantially rectangular plate-like member fixed to the door butt side end surface of the sliding door body 21 over substantially the entire length of the sliding door vertical direction. This door butt side flameproof auxiliary member 25 ′ is formed with a sliding door side protrusion 25a ′ that protrudes toward the center side vertical frame 13 ′ side from the surface of the sliding door main body 21 and also protrudes in the door tip direction (FIG. 16). This sliding door side protrusion 25a 'constitutes a detour s3 described later.
Further, the door tip portion of the sliding door 20 ′ has the same configuration as the door tip portion of the sliding door 20 shown in FIG. 7 (for example, a configuration having an aggregate 21k1, a reinforcing material 21k2, a reinforcing plate 21k3, etc.). .

  And according to the said structure, detour s3 is comprised between sliding door side protrusion piece part 25a 'and frame side protrusion piece part 13a', and between sliding door 20 'and frame side protrusion piece part 13a'. Therefore, a gap is provided in order to avoid interference and contact with the sliding door 20 ′ when the sliding door 20 ′ is opened and closed.

  As shown in FIG. 16, the bypass detour s3 protrudes from the door butt side end of the sliding door 20 ′ toward the central vertical frame 13 ′ and extends in the door tip direction. A substantially meandering composed of a frame-side protruding piece 13a 'protruding from the central vertical frame 13' to the sliding door 20 'surface side and entering between the sliding door 20' surface and the sliding door-side protruding piece 25a '. It is a shaped passage. The bypass s3 communicates one space sandwiching the sliding door 20 'with the other space (the space above and below the sliding door 20' according to FIG. 16).

Therefore, according to the opening / closing device 2 configured as described above, in the fully closed state of the opening / closing device 2 (see FIG. 16), when a flame is received in the vicinity of the door-end side vertical frame 12 ′ and the door-end side vertical frame 12 ′, The door end side vertical frame 12 ′ tends to be deformed by high heat due to the flame, but this deformation can be prevented by the structure of the L-shaped reinforcing member 12 b ′, the projecting piece 12 d ′, the anchor 12 e and the like.
More specifically, the reinforcing member 12b ′ prevents the protruding portion 12y ′ of the door end side vertical frame 12 ′ from being deformed so as to bend toward the closing direction side (left side according to FIG. 16) of the sliding door 20 ′. . Further, the reinforcing member 12b ′ prevents deformation of expanding or narrowing the opening 12x ′ of the door-end side vertical frame 12 ′ in the wall thickness direction.
Further, the protruding piece 12d ′ prevents the door-end side vertical frame 12 ′ from being deformed into a bow shape in the vertical direction, and between the door-end side vertical frame 12 ′ and the inner edge X1 of the housing opening. For example, a gap in the width direction of the sliding door is prevented.
Further, the anchor 12e fixes the door-end side vertical frame 12 'to the structural material X2, and the door-end side vertical frame 12' is thermally deformed, or due to the heat deformation, the door-end side vertical frame 12 ' And a gap in the width direction of the sliding door is prevented between the inner edge X1 ′ of the frame opening and between the door side vertical frame 12 ′ and the sliding door 20 ′.

On the door pocket part B side, when a flame is received in the vicinity of the central vertical frame 13 ′ and the central vertical frame 13 ′, thermal deformation of the central vertical frame 13 ′ is caused by L-shaped reinforcing material 13b ′, This can be prevented by the structure of the piece 13d ′ and the anchor 12e.
Further, when a flame is received in the vicinity of the door butt side vertical frame 14 'and the door butt side vertical frame 14', thermal deformation of the door butt side vertical frame 14 'is prevented by the structure of the reinforcing material 14b', the anchor 12e, and the like. be able to.

Further, when flame, smoke, or the like is about to pass through a gap on the upper end side or door bottom side of the fully closed sliding door 20 ′, this passage is bypassed by detours s1 (not shown), s3 (see FIG. 16). ).
Therefore, according to the switchgear 2, it can prevent that frame 10 'deform | transforms with high heat at the time of a disaster, etc., and can prevent that a flame, smoke, etc. pass inside and outside sliding door 20'.

The upper end side flameproof auxiliary member 22 can be replaced with an upper end side flameproof auxiliary member 22 'shown in FIG. The upper end side flameproof auxiliary member 22 ′ is obtained by replacing the bank portion 22e of the upper end side flameproof auxiliary member 22 (see FIG. 9) with a bank portion 22e ′.
The bank portion 22e 'is a member having the same structure as the bank edge portions 22f and 22g on the door end side and the door bottom side. The bank portion 22e' is provided in a pair with the gas vent hole 22d interposed therebetween. This prevents the molten material that has fallen from entering the gas vent hole 22d.

  Moreover, in the said aspect, although the upper end side flame-proof auxiliary member 22 (refer FIG. 2) and the door bottom side flame-proof auxiliary member 25 (refer FIG. 4) were each made into symmetrical shape in the door thickness direction, the improvement of productivity was aimed at. As another example, these can be asymmetrical.

Moreover, in the said aspect, although the downward sliding door side protrusion part 22a and the upward protrusion part 22b were provided in one and the other of the door thickness direction as an especially preferable specific example (refer FIG. 2), on use If there is no particular hindrance or the like, either one can be omitted.
Also, depending on the purpose of use, such as when only prevention of falling of the melt or the like is required, or when only the effect of the detour s1 is required, one of the sliding door side protruding piece 22a and protruding piece 22b It can be omitted.

In addition, when one or more aggregates or reinforcing materials are incorporated in the sliding door 20 for the purpose of reinforcing the sliding door 20, the direction of the vertical direction, the lateral width direction, etc. of the sliding door 20 is arbitrary. Is possible. However, as in the example of FIG. 8, when the gas vent hole 22 d is provided at the upper side, in order to make it difficult to prevent the movement of the gas generated in the hollow portion in the sliding door body 21, the aggregate or the like is used. It is preferable to incorporate in the vertical direction.
Further, as another example, when the gas vent hole 22d is provided only on the door bottom side, the aggregate or the like so as not to hinder the flow of gas generated in the hollow portion in the sliding door body 21 to the door bottom side. Is preferably incorporated in the lateral width direction (left-right direction). In any case, it is preferable that the end of the aggregate is located at a position avoiding the gas vent hole 22d.

DESCRIPTION OF SYMBOLS 1, 2: Opening and closing device X1, X1 ': Inner edge of housing opening 10, 10': Frame 11: Upper horizontal frame 12, 12 ': Door side vertical frame 12b, 12b': Reinforcement material 12b1 ': One piece 12b2 ': Other piece 12e: Anchor 12x, 12x': Opening 13, 13 ': Center side vertical frame 14, 14': Door bottom side vertical frame 20, 20 ': Opening and closing body A: Passage opening B: Door pocket Part x: Wall material X2, X4, X5, X6: Structural material

Claims (3)

In an opening / closing apparatus comprising a frame body fitted into the inner edge of the housing opening, and an opening / closing body movable in the lateral width direction so as to open / close the passage opening inside the frame body,
Said frame body, door leading side vertical frame fitted vertically part closing direction side of the inner edge of the skeleton opening of said passage opening is included,
The door side vertical frame has a hollow cross-sectional shape having an opening in a portion that fits in the vertical portion, and is formed in a long shape that is continuous in the vertical direction. The door-end-side vertical frame has a portion that protrudes in the wall thickness direction from the housing opening, and has a recess that fits into the door of the opening / closing body at the protruding portion.
A reinforcing material is provided inside the opening in the door-end side vertical frame so as to straddle the opening in the wall thickness direction, and the reinforcing material is provided on both sides of the opening on the inner surface of the door-end side vertical frame. And an opening / closing device fixed to the back surface of the recess . The door-end side vertical frame has projecting piece portions projecting toward the up-down direction portion on a surface facing the up-down direction portion, and the projecting piece portions are disposed on both sides in the wall thickness direction. The switchgear according to claim 1, wherein the switchgear is provided . The reinforcing material is formed in an L-shaped cross section including one piece fixed to the inner surface of the door-end vertical frame on both sides across the opening and the other piece fixed to the back surface of the recess. The switchgear according to claim 1 or 2, wherein the switchgear is provided .

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