JP2017218813A - Opening/closing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent an edge part of an opening/closing body in a width direction from falling out from a guide rail, at a time of fire, etc.SOLUTION: An opening/closing device includes: an opening/closing body 10 operated for opening while partitioning and opening a space; a guide rail 30 for guiding the opening/closing body 10 in an opening/closing direction while enclosing an edge part in a width direction of the opening/closing body; and a winding device 40 for winding/unwinding the opening/closing body 10 on an opening direction side. The opening/closing body 10 includes a fire-resistant and flexible sheet-form main opening/closing body 11, and a plurality of teeth string-form engaging elements 13 fixed on an edge part in a width direction of the main opening/closing body 11 in the opening/closing direction and protruding in a thickness direction from a surface of the main opening/closing body 11. The guide rail 30 includes an outer rail 31 and an inner rail 32 covering the teeth string-form engaging element 13 inside the outer rail 31 in a way that prevents the teeth-string-form engaging element from being drawn out. The main opening/closing body 11, the teeth string-form engaging element 13, the guide rail 30 and the winding device 40 are formed of a fire-resistant material.SELECTED DRAWING: Figure 3

Description

  The present invention relates to an opening / closing device such as a shutter device, and more particularly to an opening / closing device suitable as a window shutter device installed on the indoor side of a sash window.

Conventionally, in this type of invention, there is a window shutter device that is installed on the indoor side of a bay window, as described in Patent Document 1.
In this shutter device, the shutter curtain is configured to open and close on the indoor side of the bay window. However, there are many advantages such as easy installation, no interference between the window opened to the outdoor side and the shutter curtain, and manual opening / closing of the shutter curtain from the indoor side regardless of the open / closed state of the bay window.
By the way, in the prior art, since the shutter curtain is usually formed of a metal material, when the shutter device in the closed state is viewed from the indoor side, the metal has a hard or cold and uncomfortable texture. Easy to receive.
Therefore, it is conceivable to form the shutter curtain from a flexible sheet material, but in this case, a retaining structure is provided so that the shutter curtain made of the sheet material does not bend and come out of the guide rail. It becomes necessary to have.
For example, in the sheet shutter described in Patent Document 2, a dentition-like engagement element is fastened to an end portion in the width direction of the shutter curtain, and the engagement element is engaged with a guide rail so that the shutter curtain is a guide. It prevents it from coming out of the rail in the width direction.

Utility Model Registration Gazette No. 2583256 JP 2008-169584 A

  However, according to the latter prior art, at the time of a fire, the engaging element may be burned out, and the shutter curtain may come off from the guide rail due to the wind pressure at the time of the fire, and smoke and flames may pass inside and outside the opening.

In view of such problems, the present invention has the following configuration.
An opening / closing body that opens and closes by dividing or opening a space, a guide rail that surrounds the widthwise end of the opening / closing body and guides it in the opening / closing direction, and winds or unwinds the opening / closing body on the opening direction side In the opening / closing device provided with a winding device, the opening / closing body includes a flexible sheet-like opening / closing body main body having fire resistance, and an opening / closing direction on an end side in a width direction of the opening / closing body main body. A plurality of fixed engagement teeth that protrude from the surface of the opening / closing body in the thickness direction, the guide rail includes an outer rail, and the engagement teeth alignment engagement element in the outer rail. An opening / closing device comprising: an inner rail that covers the undrawn state, and wherein the opening / closing body main body, the dentition-like engagement element, the guide rail, and the winding device are formed of a refractory material.

  Since the present invention is configured as described above, the end in the width direction of the opening / closing body can be prevented from coming off from the guide rail in the event of a fire or the like.

It is a longitudinal cross-sectional view which shows an example of the switchgear concerning this invention. It is a cross-sectional view showing the switchgear. It is a principal part expanded sectional view of the switchgear. It is the principal part enlarged view which looked at an example of the opening-closing body from the front.

One of the features of the present embodiment is that the opening / closing body that opens and closes the space, opens and closes the widthwise end of the opening / closing body, and guides in the opening / closing direction. An opening / closing device provided with a winding device that winds or unwinds the body in the opening direction side, the opening / closing body comprising a flexible sheet-like opening / closing body having fire resistance, and a width of the opening / closing body A plurality of fixed engagements extending in the opening / closing direction on the end side in the direction and projecting in the thickness direction from the surface of the opening / closing body, and the guide rail includes an outer rail and the outer rail. An inner rail that covers the engagement tooth row-like engagement element so as not to be pulled out, and the opening / closing body main body, the engagement tooth row engagement element, the guide rail, and the winding device are formed of a fireproof material. (See FIGS. 1 to 4).
Here, the “fire-resistant material” includes a flame-resistant material such as a non-flammable material or a flame-retardant material, and particularly preferably a non-flammable metal material.

  As another feature, the dentition-like engagement element is formed of a nonflammable metal material.

  As another feature, the dentition-like engagement element is fastened to a fire-resistant belt-like sheet, and the belt-like sheet is superimposed on the widthwise end portion side of the opening / closing body and sewn with a fire-resistant thread. (See FIG. 3 and FIG. 4).

  As another feature, at least a part of the overlapping portion of the opening / closing body main body and the belt-like sheet is located in the outer rail (see FIG. 3).

  As another feature, the belt-like sheet is superposed on a surface on the outdoor side of the opening / closing body (see FIG. 3).

In the present specification, the “opening / closing body thickness direction” means the thickness direction of the opening / closing body in the closed state.
Further, in this 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 opening / closing body thickness direction.
Further, in this specification, the “opening / closing body opening / closing direction” means a direction in which the opening / closing body slides to partition or open the space.

<Specific Embodiment>
Next, specific embodiments having the above characteristics will be described in detail with reference to the drawings.
This embodiment is arranged in an opening or in a building / structure such as a house, building, warehouse, factory, underground shopping street, tunnel, vehicle loading platform, etc., and opens and closes the opening or partitions the space inside the housing. Although it can be applied as a shutter device that opens or closes, an example of a window shutter device mounted on the indoor side of a sash window in a building opening will be described as a particularly preferable aspect.

The opening / closing device A includes an opening / closing body 10 that opens and closes by sliding an end in the closing direction so as to partition or open a space, a lower frame 20 that is in contact with the opening / closing body 10 when fully closed, and an opening / closing body. 10 is provided with left and right guide rails 30 and 30 that surround the width direction end portion 10 and guide in the opening and closing direction, and a winding device 40 that winds and unwinds the opening and closing body 10 on the opening direction side. The opening / closing body 10 is configured not to come out of the guide rail 30 due to the wind pressure (see FIGS. 1 and 2).
And this switchgear A is being fixed to the indoor side in the opening part a of a building. In addition, the window sash etc. which are not shown in figure are provided in the outdoor side of the opening part a.

  The opening / closing body 10 includes a flexible sheet-like opening / closing body main body 11 having fire resistance, a seat plate member 12 connected to an end portion in the closing direction of the opening / closing body main body 11, and an end portion side in the width direction of the opening / closing body main body. A plurality of engagement teeth 13 (see FIG. 4) fixed in the opening / closing direction and protruding from the surface of the opening / closing body 11 in the thickness direction.

The opening / closing body 11 is a rectangular sheet in front view, for example, a flame-retardant fabric such as glass cloth or silica cloth, a fluorine-treated vinyl chloride resin sheet material, or a synthetic resin sheet material containing glass fibers. It consists of a flexible sheet material having fire resistance such as flame retardancy or non-flammability.
The upper end side of the opening / closing body 11 is inserted into the lower surface of the storage case 42 of the winding device 40 and is fixed to the outer periphery of the winding body 41 in the storage case 42.

The seat plate member 12 is a long member connected to the closing direction end of the opening / closing body main body 11 over substantially the entire length in the lateral width direction of the opening / closing body main body 11, and is formed of a metal material such as an aluminum alloy, for example. ing.
The seat plate member 12 is provided with a locking mechanism 12a that makes the opening / closing body 10 unopenable when closed (see FIG. 1).
The locking mechanism 12a includes an operation lever 12a1 that is swingably supported with respect to the indoor side portion of the seat plate member 12, and rotates in conjunction with the operation lever 12a1 when the opening / closing body 10 is fully closed. The engagement / disengagement member 12a2 is hooked to the lower frame 20, and the operation lever 12a1 is operated upward to release the hooked state with the lower frame 20.

A number of dentition-like engagement elements 13 are fastened to the end of the opening / closing body 11 in the width direction via a fire-resistant belt-like sheet 14 (see FIG. 4).
Each engagement tooth-like engagement element 13 has a shape of a engagement tooth that is one half of a fastener, and is fixed to an end portion in the width direction of the belt-like sheet 14 with a downward projection 13a facing downward.
The dentition-like engagement element 13 is made of a non-combustible metal material (for example, a copper alloy).

The belt-like sheet 14 is a cloth-like sheet knitted with fire-resistant metal fibers (for example, stainless steel fibers).
The belt-like sheet 14 is overlapped on the surface on the outdoor side on the end side in the width direction of the opening / closing body 11 (see FIG. 3), and is sewn to the opening / closing body 11 with a fire-resistant thread 15 (for example, stainless steel thread). It is attached.
The overlapping portion 11 a of the opening / closing body main body 11 and the belt-like sheet 14 has a range of more than half in the outer rail 31 in the opening / closing body width direction.

The lower frame 20 is a long member disposed between the lower ends of the left and right guide rails 30 and 30 and is formed of a metal material such as an aluminum alloy, for example.
An engaged / disengaged portion 21 that is engaged and disengaged by the locking mechanism 12a is formed in a step shape on the indoor side of the lower frame 20 (see FIG. 1). Further, on the upper side surface of the lower frame 20, a reinforcing material 20a formed of a refractory material (for example, a metal material such as steel) having a higher melting point than the material of the lower frame 20 is provided. As shown in FIG. 1, the reinforcing member 20 a has a substantially concave shape that opens upward and has flanges at both end edges in the opening / closing body thickness direction, and is provided in a long shape continuous in the opening / closing body width direction. Yes.

  The guide rail 30 includes an outer rail 31 exposed to the outside and an inner rail 32 that covers the dentition-like engagement element 13 in the outer rail 31 so as not to be pulled out.

  The outer rail 31 is configured integrally with a main body 31a extending between the lower frame 20 and the winding device 40 and a seat plate guide piece 31b connected to the main body 31a.

The main body 31a is a member having a U-shaped cross-section that is continuous in the vertical direction. . The main body 31a is connected and fixed to a window sash side surface, an opening side surface, and the like around the opening / closing device A.
The seat plate guide piece 31b is a member connected to the opening side of the main body 31a in the opening / closing body width direction, and is formed so as to be close to both side surfaces of the seat plate member 12 (see FIG. 3).
The main body 31a and the seat plate guide piece 31b are formed of a metal material such as an aluminum alloy, for example.
The main body 31a and the seat plate guide piece 31b can be formed as an integral member.

According to a preferred example shown in FIG. 3, a reinforcing material 31c is provided on the inner wall surface of the main body 31a, and a reinforcing material 31d is provided at a connecting portion between the seat plate guide piece 31b and the main body 31a. The reinforcing members 31c and 31d are formed of a fireproof material (for example, a metal material such as steel), and the reinforcing member 31d is fixed to the reinforcing member 31c with screws.
The reinforcing material 31c is formed in a concave cross section that covers substantially the entire inner wall surface of the main body 31a, and is continuous in the opening / closing body opening / closing direction along the main body 31a.
The reinforcing members 31d are provided on both sides of the opening / closing body 10 in the thickness direction. Each reinforcing member 31d is formed in an L-shaped cross section along the inner surface of the seat plate guide piece 31b, and is continuous between the seat plate guide piece 31b and the main body 31a in the opening / closing body opening / closing direction.
The seat plate guide piece 31b, the reinforcing member 31d, and the screw 31e inserted through the main body 31a are screwed into the reinforcing member 31c and fastened.
Therefore, even if a fire occurs and the main body 31a becomes brittle due to high heat, the seat plate guide piece 31b is detached from the main body 31a, or the inner rail 32 is pulled out from the thermally deformed main body 31a. This can be prevented by the reinforcing materials 31c and 31d.

The inner rail 32 is a member that continues in the vertical direction so as to surround the end portion side of the belt-like sheet 14 including the engagement teeth-like engagement element 13, and connects the lower end portion to the lower frame 20 and winds the upper end portion. It is connected to the storage case 42 of the device 40 and is disposed in the space inside the outer rail 31.
The inner rail 32 is housed in the outer rail 31 so as to move in the opening / closing body width direction and the opening / closing body thickness direction. As another example, the inner rail 32 is fitted or connected to the outer rail 31 or other immovable part. It is also possible to adopt the mode described above.

The inner rail 32 is formed by connecting one piece 32a having a substantially U-shaped cross section located on the outdoor side and another piece 32b having a substantially U-shaped cross section located on the indoor side in the opening / closing body thickness direction. And has a space portion 32c that covers the dentition-like engagement element 13 so as to be vertically movable, and an opening portion that is close to or slidably contacted with the front and back surfaces of the belt-like sheet 14 on the center side of the opening / closing body 10 in the opening / closing body width direction. 32d.
As shown in FIG. 3, the space portion 32 c is a space in which the four sides in the horizontal direction are surrounded by the inner rail 32 (specifically, the one piece portion 32 a and the other piece portion 32 b).
The one piece portion 32a and the other piece portion 32b are formed of a metal material such as an aluminum alloy, for example.
The dimension of the opening 32d in the opening / closing body thickness direction is set to be larger than the thickness of the belt-like sheet 14 and smaller than the thickness of the dentition-like engagement element 13. Accordingly, the engagement tooth row-like engagement element 13 is movable in the vertical direction and is held so as not to come off from the inner rail 32 in the opening / closing body width direction.

The winding device 40 includes a winding body 41 that is rotatably supported so as to wind and unwind the opening / closing body 10, and the winding body 41 and the opening / closing body 10 wound around the winding body 41. The storage case 42 includes a storage case 42, a reinforcing member 42 a provided on the inner wall surface on the outdoor side of the storage case 42, a bracket 43 for fixing the storage case 42 to the opening a, and the like. The upper ends of the guide rails 30 are inserted so as to extend in the opening / closing body width direction.
The winding body 41 and the storage case 42 are made of, for example, a metal material such as an aluminum alloy, and the reinforcing material 42a and the bracket 43 are fireproof having a higher melting point than the material of the winding body 41 and the storage case 42. It is made of a conductive material (for example, a metal material such as steel).

  According to the opening / closing device A having the above-described configuration, the dentition-like engagement element 13 and the belt-like sheet 14 and the thread 15 that fix the dentition-like engagement element 13 to the opening / closing body main body 11 are formed from a fireproof material. Therefore, it is possible to prevent the dentition-like engagement element 13 from dropping or the dentition-like engagement element 13 from dropping together with the belt-like sheet 14 due to a flame or the like.

Further, in this embodiment, a range of more than half of the overlapping portion 11a of the opening / closing body main body 11 and the belt-like sheet 14 is arranged in the outer rail 31 and the belt-like sheet 14 is placed on the surface of the opening / closing body main body 11 on the outdoor side. Since they are overlapped, the overlapped portion 11a is not easily exposed to a flame or the like.
In addition, since the overlapping portion 11a is difficult to see in a normal use state, even if the colors of the opening / closing body main body 11 and the belt-like sheet 14 are different, the design is not impaired.

  Moreover, in the inner rail 32, the opening 32d into which the belt-like sheet 14 is inserted is a slight gap that is close to or slidably contacted with the front and back surfaces of the belt-like sheet 14, and other than this gap, the space 32c in the inner rail 32 has four sides. Therefore, even if a flame or the like enters the outer rail 31, it is difficult to reach the inner rail 32.

  Therefore, according to the opening / closing device A, when a fire or the like occurs on the indoor side in the closed state of the opening / closing body 10, the dentition-like engagement element 13 is burned down by the heat at the time of the fire, It is possible to prevent the belt-like sheet 14, the thread 15, and the like fixing the dentition-like engagement element 13 from being burned out. As a result, the end in the width direction of the opening / closing body 10 comes off from the guide rail 30, and smoke And flames can be prevented from passing into and out of the opening a.

  In addition, according to the said embodiment, although it has comprised so that the opening / closing body 10 may be opened and closed manually, as another example, an opening / closing machine (motor) is installed in the storage case 42, and the power of this opening / closing machine is used. It is also possible to adopt a mode in which the opening / closing body 10 is opened and closed.

  According to the above embodiment, the opening / closing device A and a window sash (not shown) are provided for the opening a of the building. As another example, the opening / closing device A is configured integrally with the window sash. It is also possible.

  The present invention is not limited to the above-described embodiments, and can be appropriately changed without departing from the scope of the present invention.

DESCRIPTION OF SYMBOLS 10: Opening-closing body 11: Opening-closing body 11a: Overlapping part 13: Duplex dentition-like engagement element 15: Fireproof thread 20: Lower frame 30: Guide rail 31: Outer rail 32: Inner rail 40: Winding device 41 : Winding body A: Opening and closing device a: Opening

Claims (5)

An opening / closing body that opens and closes by dividing or opening a space, a guide rail that surrounds the widthwise end of the opening / closing body and guides it in the opening / closing direction, and winds or unwinds the opening / closing body on the opening direction side In a switchgear provided with a winding device
The opening / closing body includes a flexible sheet-like opening / closing body having fire resistance, and a plurality of the opening / closing bodies are attached to the end of the opening / closing body in the width direction in the opening / closing direction. A dentition-like engagement element protruding to
The guide rail includes an outer rail, and an inner rail that covers the dentition-like engagement element in the outer rail so as not to be pulled out.
The opening / closing device characterized in that the opening / closing body main body, the dentition-like engagement element, the guide rail, and the winding device are formed of a fireproof material.   The switchgear according to claim 1, wherein the engagement tooth-like engagement element is formed of a non-combustible metal material.   The dentition-like engagement element is fastened to a fire-resistant belt-like sheet, and the belt-like sheet is superimposed on the widthwise end portion side of the opening / closing body body and sewn with a fire-resistant thread. The switchgear according to claim 1 or 2, characterized in that   The opening / closing apparatus according to claim 3, wherein at least a part of the overlapping portion of the opening / closing body main body and the belt-like sheet is located in the outer rail.   The switchgear according to claim 3 or 4, wherein the belt-like sheet is superimposed on a surface on the outdoor side of the switchgear main body.

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