JP2019060071A - Window sash - Google Patents

Abstract

To provide a window sash having components made of a resin material capable of giving fireproof performance while maintaining thermal insulation performance.SOLUTION: The window sash comprises: a frame body which is disposed in an opening part; and a sash provided with a resin stile, which is disposed in the frame body to be open/close. The resin stile of the sash has a hollow portion and is provided with a reinforcement component in the hollow portion. The reinforcement component in the hollow portion includes a heat expansion material which expands outward when heated at a fire or the like.SELECTED DRAWING: Figure 5

Description

  It relates to a sash arranged at an opening of a building or the like.

  Conventionally, as a sash arranged at an opening of a building, a sash provided with a resin frame and a resin cage having high heat insulation properties is known.

JP, 2016-108909, A

In the resin sash shown to patent document 1, although it can have high thermal insulation by making the characteristic of a resin material into advantage, there existed a surface that it was weak to a flame or heat.
In recent years, high fire prevention performance has also been required for heat insulation sash provided with a part made of resin material.

  The present invention has been made in view of the above-described circumstances, and an object thereof is to provide a sash provided with high fire protection performance as well as heat insulation performance.

  One embodiment of the present invention is provided with a frame disposed in the opening and a shoji provided with a resin weir which is disposed openably and closably within the frame, and the resin jug of the shoji has a hollow portion and is reinforced within the hollow portion. A member is arrange | positioned, and the reinforcement member in a hollow part is a sash provided with the heating expansion material expanded toward outer periphery at the time of the heating by a fire etc.

  According to the present embodiment, the fire protection performance can be imparted to the sash having the member made of the resin material while maintaining the heat insulation performance.

It is an outline view of a sash concerning an embodiment of the present invention. It is a heel cross section of a sash concerning an embodiment of the present invention. It is a cross-sectional view of the sash which concerns on embodiment of this invention. It is an enlarged view of the upper frame part of the sash which concerns on embodiment of this invention, (a) is a state before a fire, (b) is a figure which shows the state after a fire. It is an enlarged view of the lower frame part of the sash which concerns on embodiment of this invention, (a) is a state before a fire, (b) is a figure which shows the state after a fire. It is an enlarged view of the starboard frame part of the sash which concerns on embodiment of this invention, (a) is a state before a fire, (b) is a figure which shows the state after a fire. It is a figure of the upper frame of the sash which concerns on embodiment of this invention, (a) is the top view seen from the downward direction, (b) is an aa sectional view of (a), (c) is ( It is a bb sectional view of a). It is an assembly drawing of the inner case of the sash which concerns on embodiment of this invention. It is a figure of the junction part of the lower eyelid and the right eyebrows of the sash which concerns on embodiment of this invention, (a) is an exploded perspective view, (b) is an exploded front view, (c) is an exploded plane FIG. It is a figure of the junction part of the lower eyelid and the right eyebrow of the sash which concerns on embodiment of this invention, (a) is a perspective view, (b) is a front view, (c) is a top view . It is a figure of the end cap and corner block of the sash which concerns on embodiment of this invention, (a) is a side view of a corner block, (b) is a front view of a corner block, (c) is an end FIG. 7 is a side view of the cap, (d) is a front view of the end cap, and (e) is a plan view of the end cap.

A sash according to an embodiment of the present invention will be described with reference to the drawings.
In the sash according to the embodiment of the present invention, as shown in FIG. 1, a frame 10 disposed in a building opening, and an inner seal 20 and an outer seal 30 slidably disposed relative to the frame 10. Have.
The frame 10 of the sash of this embodiment has an upper frame 11, a lower frame 12, and left and right eyebrow frames 13, 14, and the upper frame 11 and the lower frame 12 are not framed. The left and right frame 13 and 14 are respectively fixed to the inner peripheral surface of the building opening by fixing means such as screws, and a frame 10 extending around the four circumferences of the building opening is formed.
In addition, the inner seal 20 of the sash according to the present embodiment has the upper ridge 21, the lower ridge 22, the left ridge 23 and the right ridge 24 on the inner circumference. It is formed by attaching the panel body 25, and the outer shoji 30 has the upper ridge 31, the lower ridge 32, the left ridge (toe-end ridge) 33 and the right ridge (joining ridge) 34, It is formed by attaching a panel body 35 to the inner periphery.

(Structure of frame)
As shown in FIG. 2, the upper frame 11 of the frame 10 has a substantially flat upper frame main body 111 made of a resin material and an upper rail member 112 made of a metal material such as an aluminum alloy. Then, in a state where the upper rail member 112 is disposed on the inner peripheral surface (lower surface) of the upper frame main body 111, the upper frame main body 111 and the upper rail member 112 are the inner peripheral surface of the building opening by fixing means b such as screws. Both are fixed to (bottom side).
The upper frame main body 111 has an upper frame main body portion 111a fixed to the building opening, and an indoor side wall portion 111b suspended from the indoor side end of the upper frame main body portion 111a.

The upper rail member 112 includes an upper rail fixing portion 112a fixed to the building opening together with the upper frame main body 111, an upper inner rail 112b hanging downward from the indoor side of the upper rail fixing portion 112a, and an upper rail fixing portion It has upper and lower rails 112c hanging downward from the outdoor side of 112a.
A wind stop member having a windproof portion in the form of fins between the upper inner rail 112 b and the upper outer rail 112 c of the upper frame 11 and above the combined members 23 and 34 of the inner and outer shutters 20 and 30. 71 are arranged.

As shown in FIG. 2, the lower frame 12 of the frame 10 has a substantially flat lower frame main body 121 made of a resin material and a lower rail member 122 made of a metal material such as an aluminum alloy. Then, in a state where the lower rail member 122 is disposed on the inner peripheral surface (upper surface) of the lower frame main body 121, the lower frame main body 121 and the lower rail member 122 are the inner peripheral surface of the building opening by fixing means b such as screws. Both are fixed together (upper surface).
The lower frame main body 121 has a lower frame main body portion 121a fixed to the building opening, and an indoor side wall portion 121b standing upward from the indoor side end of the lower frame main body portion 121a.

The lower rail member 122 includes a lower rail fixing portion 122a fixed to the building opening together with the lower frame main body 121, an indoor lower rail 1222b erected above the indoor side of the lower rail fixing portion 122a, and a lower rail fixing portion A lower outer rail 122c is provided to stand above the outdoor side of 122a.
A wind stop member having a windproof portion in the form of fins between the lower inner rail 122 b and the lower outer rail 122 c of the lower frame 12 and at the lower position of the combined members 23 and 34 of the inner shutter 20 and outer shutter 30. 72 are arranged.

The left and right frame 13 and 14 of the frame 10 are made of a resin material and formed in a substantially flat plate shape as shown in FIG. 3 and are formed on the inner periphery of the building opening by fixing means b and b such as screws. It is fixed to the surface.
The left and right frame 13 and 14 are fixed to the opening of the building from the substantially central position of the left and right frame body portions 131a and 141a and the left and right frame body portions 131a and 141a in the inner circumferential direction. The central wall portions 131b and 141b provided in a protruding manner, the indoor side wall portions 131c and 141c provided in the inner circumferential direction from the indoor side ends of the left and right eyelid frame main portions 131a and 141a, and the left and right eyelid frame main body portions It has outdoor side wall parts 131d and 141d which are provided in the inner peripheral direction from the outdoor side end of 131a and 141a.
The central wall portions 131 b and 141 b have, at the inner peripheral end, fin-like airtight pieces extending to both indoor and outdoor sides. The fin-like air-tight pieces abut against the toes 24 and 33 of the inner and outer shingles 20 and 30 when the inner shingles 20 and the outer shingles 30 are closed, and the inner pieces when the outer and outer shingles 20 and 30 are closed. The seal between the shoji 20 and the starboard frame 14 and the seal between the outer shoji 30 and the port frame 13 are taken.

The left eyelid frame 13 has a reinforcing member 132 made of a metal material on the inner peripheral side of the left eyelid frame main portion 131a and on the outer side of the central wall portion 131b. The right eyelid frame 14 has a right eyelid frame main body A reinforcing member 142 made of a metal material is provided on the inner peripheral surface of the portion 141a and on the indoor side of the central wall portion 141b.
The reinforcing members 132 and 142 are long members having a substantially L-shaped cross section and made of a metal material such as aluminum alloy or steel, and are disposed over the entire lengths of the left and right eyelid frames 13 and 14.
Reinforcing members 132 and 142 disposed on the left and right frame 13 and 14 are fixed by the fixing means b and b for fixing the left and right frame 13 and 14, respectively, together with the left and right frame body portions 131a and 141a. It is fixed to the opening.
The heat expansion material is disposed on the inner peripheral surfaces of the reinforcing members 132 and 142 disposed on the left and right eyelid frames 13 and 14 so as to face the door tips 24 and 33 of the inner and outer shoji 20 and 30. .

For fixing the frame 10 of the sash of this embodiment to the building opening, for example, the frame 10 is arranged in the order of left frame 13 → lower frame 12 → right frame 14 → upper frame 11 and arranged around the building opening 4 By doing this, the frame 10 can be arranged with respect to the four circumferences of the building opening.
At this time, at the four corners of the building opening, at least the upper inner rail 112b, upper outer rail 112c and lower inner rail 122b of the horizontal frame (upper frame 11, lower frame 12), or a part of the lower outer rail 122c The upper frame 11, the lower frame 12, and the left and right frames 13, 14 interfere with each other in mounting by notching a part of the central wall portions 131b and 141b of the (left frame 13 and right frame 14). Can be prevented.

(Configuration of Naotoji)
As shown in FIG. 2, the upper collar 21 of the internal seal 20 includes an upper collar main body 211 made of a resin material, and a reinforcing core 212 made of a metal material such as aluminum alloy and embedded in the upper collar main body 211. There is.
The upper eyelid main body 211 has a panel opening 211a for holding the panel body 25 and an opening 211b formed on the outer peripheral side of the panel opening 211a and guided by the upper inner rail 112b. A reinforcing core 212 is disposed.

A reinforcing member 213 made of a metal material such as steel is disposed in the panel opening 211a, and the panel body 25 is held at the panel opening 211a via the reinforcing member 213 and the flame retardant glazing channel 219. It is done.
At the upper end of the room and the outer wall constituting the opening 211b, airtight pieces are provided in contact or close to the upper inner rail 112b.

The reinforcing core material 212 is a bottom wall 212a disposed along the bottom of the opening 211b, and an indoor wall 212b continuously extending along the indoor wall of the opening 211b continuously with the indoor side end of the bottom wall 212a. And a chamber outer wall portion 212c continuous with the outer side end of the bottom wall portion 212a and extending along the outer side wall of the opening 211b.
The reinforcing core 212 disposed in the opening 211 b and the reinforcing member 213 disposed in the panel opening 211 a are connected by a connecting unit with the bottom wall of the opening 211 b interposed therebetween.

As shown in FIG. 2, the lower shell 22 of the inner seal 20 includes a lower shell main body 221 made of a resin material, and a first reinforcing core material 222 and a first reinforcing core member made of a metal material such as aluminum alloy and embedded in the lower shell main body 221. 2 has a reinforcing core material 223.
The lower eyelid main body 221 has a panel opening 221a on the inner peripheral side, a hollow section 221b disposed on the outer periphery of the panel opening 221a, and an opening 221c on the outer peripheral side.

The first reinforcing core member 222 has a hollow shape having a substantially rectangular cross section, and is disposed in the hollow portion 221 b of the lower rod main body 221. The second reinforcing core member 223 has a rectangular hollow portion and a cross-sectional shape provided with an opening opening downward, and is disposed in the opening of the opening 221 c of the lower rod main body 221.
In the hollow portion of the first reinforcing core member 222, a first reinforcing member 224 made of steel or the like and having a substantially U-shaped cross section is disposed so as to open in the outer peripheral direction, and in the hollow portion and the opening portion of the second reinforcing core member 223 The second reinforcing member 225 and the third reinforcing member 226 each having a substantially U-shaped cross section are disposed so as to open in the indoor direction.

A fourth reinforcing member 227 made of a metal material such as steel is disposed in the panel opening 221a, and the panel body 25 is inserted into the panel through the fourth reinforcing member 227 and the flame retardant glazing channel 229. It is held by the unit 221a.
The fourth reinforcing member 227, the first reinforcing core member 222, and the first reinforcing member 224 are connected to each other via a connecting means with the bottom wall of the panel opening 221a interposed therebetween.
Further, the first reinforcing core 222 and the second reinforcing core 223 and the second reinforcing member 225 are connected by the connecting means with the bottom wall of the hollow portion 221 b of the lower rod main body 221 interposed therebetween, and the second reinforcing member 225 The third reinforcing member 226 is connected by a connecting means with the intermediate wall of the second reinforcing core member 223 interposed therebetween.
A wheel 92 traveling on the lower inner rail 122 b is disposed at a predetermined position of the opening 221 c of the lower hook main body 221, and is disposed to be able to travel on the lower inner rail 122 b.

  As shown in FIG. 3, the right eyebrow (door tip side) 24 of the inner seal 20 is made of a resin material and has a right eyebrow body portion 241b having a hollow portion with a substantially rectangular cross section, and a right eyebrow body portion 241b. It has a panel opening 241 a formed on the inner peripheral side for holding the panel body 25.

In the hollow portion of the starboard main body portion 241b, a first reinforcing member 242 made of a metal material such as steel and having a substantially U-shaped cross section and opening toward the outer peripheral side is disposed. A second reinforcing member 243 having a substantially U-shaped cross section and made of a metal material and opening toward the inner circumferential side is disposed in the panel opening portion 241 a, and the panel body 25 includes the second reinforcing member 243 and the flame retardant It is held at the panel opening 241a via the gender glazing channel 249.
The 1st reinforcement member 242 and the 2nd reinforcement member 243 are connected by the connection means on both sides of the wall part of the inner peripheral side of the starboard main-body part 241b.
The first reinforcing member 242 disposed in the hollow portion of the starboard main body portion 241b is not limited to a substantially U-shaped cross-sectional shape, and may have, for example, a hollow structure having a substantially rectangular cross section.

The left eyebrow 23 of the inner seal 20 is made of a resin material, and as shown in FIG. 3, on the outer side inner periphery of the left eyebrow main body portion 231b and the left eyebrow main body portion 231b having a hollow portion. It has the panel frontage part 231a formed.
A smoke return piece 235 made of a metal material that forms a smoke return between the indoor side surface of the right side (outside joint) 34 of the outer shutter 30 is attached to the outdoor side surface of the left side 23 and The fire prevention crescent lock 61 is attached to the outer peripheral surface of the port 23.

Inside the hollow portion of the port body portion 231b, made of a metal material such as steel, and the appearance surface portion along the bottom surface of the panel opening portion 231a and the appearance surface portion along the exterior side surface of the port body portion 231b A first reinforcement member 232 having a surface portion and a second reinforcement member 233 fixed to the first reinforcement member 232 and having a look surface portion along at least the indoor side surface of the port body portion 231b are disposed.
On the other hand, a third reinforcing member 234 having a substantially U-shaped cross section that opens toward the inner circumferential side is disposed in the panel opening 231a, and the heat expansion material f is formed on the bottom wall of the third reinforcing member 234. It is arranged. The panel body 25 is held by the panel opening 231 a via the third reinforcing member 234 and the flame retardant glazing channel 239.

The first reinforcing member 232 and the third reinforcing member 234 are connected by a connecting means with the wall on the inner peripheral side of the port body portion 231b and the heat expansion material f interposed therebetween. In addition, the heat expansion material f is disposed in one or both of the first reinforcing member 232 and the second reinforcing member 233.
In addition, the panel body 25 used for the internal seal 20 is formed of the glass which has fire resistance and heat resistance, for example, crystallized glass.

(Composition of outside shoji)
In the following, the external shutter 30 will be described. However, since the external shutter 30 and the internal shutter 20 basically have the same structure with respect to the upper and lower frames and the front door, here especially the calling of the external shutter 30 A total number 34 will be described, and the description of the same configuration as the configuration of the inner-shutter 20 will be omitted.

The right eyebrow (seal joint) 34 of the outer case 30 is made of a resin material and, as shown in FIG. 3, is formed on the inner peripheral side of the right eyebrow body portion 341b having a hollow portion and the right eyebrow body portion 341b. Panel front opening 341a.
A smoke return piece 345 made of a metal material that forms a smoke return together with the smoke return piece 235 of the left eyebrow 20 of the inner shoji 20 is attached to the indoor side surface of the right eyelet 34 A fire prevention crescent receiver 62 is provided on the inner peripheral side of the smoke return piece 345.

In the hollow portion of the right eyebrow main body portion 341b of the right eyelet (seal joint) 34, a first reinforcing member 342 having a substantially U-shaped cross section and opening to the indoor side is disposed. On the other hand, a second reinforcing member 343 having a substantially U-shaped cross section, which opens toward the inner circumferential side, is disposed in the panel opening 341a, and the heat expansion material f is disposed on the bottom wall of the second reinforcing member 343. It is arranged. The panel body 35 is held by the panel opening 341 a via the second reinforcing member 343 and the flame retardant glazing channel 349.
The first reinforcing member 342 and the second reinforcing member 343 are connected by a connecting means with the wall on the inner peripheral side of the starboard main portion 341 b and the heating expansion material f interposed therebetween. Further, the first reinforcing member 342 is provided with a heating expansion material f which is expanded by heating at the time of fire.

  As described above, in the present embodiment, the sash arranged on the indoor side of the building opening is formed by the substantially flat plate members and the upper and lower rail members, etc. Since the lower rail members can be arranged and fixed sequentially to the opening of the building, and the upper and lower rail members can be arranged on the inner peripheral surface of the upper and lower frames and fixed to the opening of the building by fixing means such as screws. For example, even in the opening of a building in which fittings have already been installed on the outdoor side, it can be easily applied retrofitly, and the decrease in the opening area after the installation can be suppressed to a low level.

The fire prevention structure which is the characteristic part of the sash of this embodiment will be described below.
First, the fire protection structure between the upper frame 11 and the inside of the outer shell 20, 30 and the upper shell 21, 31 of the outer shutter 20, 30 will be described with reference to the structure of the upper shell 21 of the upper frame 11 and the inner shell 20.

As shown in FIG. 4A, the upper frame 11 constituting the frame 10 is formed by disposing an upper rail member 112 made of a metal material on the inner periphery of an upper frame main body 111 made of a resin material.
The upper frame main portion 111a of the upper frame main body 111 is a fixing portion 111c attached to a building opening formed at a substantially central portion in the direction of the expected direction in which the upper rail member 112 is disposed. The inner and outer steps 111d and 111e are provided on both sides of the indoor side, and the heat expansion materials f11 and f11 are disposed on the upper surfaces of the inner and outer steps 111d and 111e.

  Sealing portions 111f and 111g are provided at the both ends of the upper frame main portion 111a in the direction of view, which abut the opening of the building when the upper frame 11 is attached to the opening of the building. To protect the heat expansion materials f11 and f11 disposed between them.

On the other hand, the upper collar 21 of the internal seal 20 is formed by incorporating a plurality of reinforcing materials made of a metal material on the upper collar main body 211 made of a resin material.
The inner peripheral side of the upper eyelid main body 211 has an inner panel opening wall 211c consisting of a hollow wall on the indoor side, and an outer panel opening wall 211d consisting of a hollow wall on the outdoor side, both panel opening walls 211c, The panel opening 211a is formed by 211d.

  A reinforcing member 213 is disposed at the panel opening 211 a, and a flame retardant glazing channel 219 is disposed on the inner periphery of the reinforcing member 213. A heating expansion material f211 is provided between the reinforcing member 213 and the glazing channel 219.

Further, the outer peripheral side of the upper eyelid main body 211 has an indoor side wall portion 211g extending upward to the indoor side and an outdoor side wall portion 211h extending upward to the outdoor side, and the indoor side wall portion 211g and the outdoor side wall portion 211h , And an opening 211 b is formed.
The indoor side wall portion 211g and the outdoor side wall portion 211h have locking portions 211i and 211j at the outer peripheral end respectively, and the upper end and the chamber outer wall of the indoor wall portion 212b of the reinforcing core 212 disposed in the opening 211b. The upper end of the portion 212c is locked.

The reinforcing core material 212 is continuous to the bottom wall 212a disposed along the bottom of the opening 211b, the indoor wall 212b continuous to the indoor side end of the bottom wall 212a, and the outdoor side end of the bottom wall 212a. The chamber outer wall portion 212c is formed as a member having a substantially H-shaped cross section in which an opening in the outer peripheral direction is formed deep as a whole.
And while the heating expansion material f212 is arrange | positioned on the lower surface of the bottom wall part 212a, the heating expansion material f213 is arrange | positioned on the upper surface of the bottom wall part 212a. The reinforcing core 212 disposed in the opening 211 b of the upper eyelid main body 211 and the reinforcing member 213 disposed in the panel opening 211 a have the bottom wall of the opening 211 b of the upper eyelid main body 211 and the heat expansion material f 212 interposed therebetween. It is connected via a connection means.

Then, in the event of a fire, as shown in FIG. 4 (b), the heating expansion materials f 11 and f 11 disposed between the building opening and the upper frame 11 expand to expand the building opening and the upper rail member 112. It is possible to close the space between the building openings and prevent the building opening side from being burned off.
Furthermore, the expansion direction of the heat expansion material f213 disposed on the upper surface of the bottom wall portion 212a of the reinforcing core 212 of the upper rod 21 is restricted by the indoor wall portion 212b and the chamber outer wall portion 212c. To expand.
Therefore, the heating expansion material f11 arranged in the upper frame 11 and the heating expansion material f213 arranged on the upper surface of the bottom wall portion 212a of the reinforcing core material 212 expand, and the building opening, the upper rail member 112 made of metal material And it can expand integrally so that the reinforcement core material 212 may be wrapped up, and the space between the upper frame 11 and the inner shutter 20 can be closed.

  In addition, the heating expansion material f 212 disposed on the lower surface of the bottom wall portion 212 a of the reinforcing core material 212 of the inner shell 20 expands to cover the connecting portion between the reinforcing core material 212 and the reinforcing member 213 by expanding. The heat expansion material f 211 disposed on the inner periphery can integrally cover the reinforcing member 213 and the panel body 25 having fire resistance by expanding, and communication between the inside and outside of the upper collar 21 of the inner scissor 20 is made It can be suppressed.

Next, the fire protection structure between the lower frame 12 and the inner and outer shells 20, 30 and the lower shells 22, 32 will be described with reference to the configuration of the lower frame 12 and the lower shell 22 of the inner seal 20.
As shown in FIG. 5A, the lower frame 12 constituting the frame 10 is formed by disposing a lower rail member 122 made of a metal material on the inner periphery of a lower frame main body 121 made of a resin material.
The lower frame main portion 121a of the lower frame main body 121 is a fixed portion 121c attached to a building opening of a substantially central portion in the direction in which the lower rail member 122 is disposed, and the indoor side and the outdoor side in the expected direction of the fixed portion 121c. The heat expansion materials f12 and f12 are disposed on the lower surfaces of the inner and outer stepped portions 121d and 121e, respectively.

  Sealing portions 121f and 121g are provided at both ends of the lower frame main body 121a in the direction of view, which abut the building opening when the lower frame 12 is attached to the building opening, and the building opening and the upper frame 11 are provided. To protect the heat expansion materials f12 and f12 disposed between them.

On the other hand, the lower eyelid 22 of the internal seal 20 is formed by embedding a plurality of reinforcing materials made of a metal material on the lower eyelid body 221 made of a resin material.
The inner peripheral side of the lower eyelid main body 221 has an inner panel opening wall 221d consisting of a hollow wall on the indoor side, and an outer panel opening wall 221e consisting of a hollow wall on the outdoor side, both panel opening walls 221d, A panel opening 221a is formed by 221e.

  A reinforcing member 227 is disposed at the panel opening 221a, and a flame retardant glazing channel 229 is disposed on the inner periphery of the reinforcing member 227. A heat expansion material f221 is provided between the reinforcing member 227 and the glazing channel 229.

The lower iron main body 221 has a hollow portion 221b on the outer peripheral side of the panel opening 221a, and the first reinforcing core material 222 is disposed in the hollow portion 221b.
Further, the lower pot main body 221 has an indoor side wall portion 221f extending downward from the indoor side on the further outer peripheral side of the hollow portion 221b, and an outdoor side wall portion 221g extending downward from the outdoor side. An opening 221 c is formed by the outer wall 221 g and the outdoor side wall 221 g.

The second reinforcing core material 223 is disposed in the opening 221c. The second reinforcing core member 223 has a hollow portion 223a, an indoor side wall portion 223b extending downward from the indoor side of the hollow portion 223a, and an outdoor side wall portion 223c extending downward from the outer side of the hollow portion 223a. A lower opening 223d is formed by the outer wall 223c and the outdoor side wall 223c.
The second reinforcing member 225 is disposed in the hollow portion 223a of the second reinforcing core 223, the third reinforcing member 226 is disposed in the lower opening 223d, and the second reinforcing member 225 and the third reinforcing member 226 are It is connected by the connection means.

The lower surface of the third reinforcing member 226 disposed in the lower opening 223d is positioned above the lower ends of the indoor side wall 223b and the outdoor side wall 223c of the second reinforcing core 223, and the lower end of the lower rod 22 is It is a recess that opens downward.
The heat expansion materials f222 and f222 are respectively provided on the lower end outdoor side surface of the indoor side wall portion 223b and the lower end indoor side surface of the outdoor side wall portion 223c of the second reinforcing core member 223 forming the concave portion. The heat expansion material f223 is provided on the lower surface of the third reinforcing member 226 disposed in the lower opening 223d.

Then, in the event of a fire, as shown in FIG. 5 (b), the thermal expansion materials f12 and f12 disposed between the building opening and the lower frame 12 expand, so that the building opening and the lower rail member 122 It is possible to close the space between the building openings and prevent the building opening side from being burned off.
Furthermore, the heating expansion materials f222 and f222 arranged on the indoor side wall 223b and the outdoor side wall 223c of the second reinforcing core 223 of the lower rod 22 and the heating expansion material f223 arranged on the lower surface of the third reinforcing member 226 are The expansion direction is restricted by the indoor side wall portion 223 b and the outdoor side wall portion 223 c, and expands toward the lower frame 12.
Therefore, the heating expansion material f12 arranged in the lower frame 12 and the heating expansion materials f222 and f223 arranged in the recess of the lower rod 22 are the building opening, the lower rail member 122 made of a metal material, and the second reinforcing core 223 To expand in an integrated manner so as to enclose the space between the lower frame 12 and the inner seal 20.

  Moreover, the heating expansion material f221 arrange | positioned on the inner periphery of the reinforcement member 227 in the panel opening part 221a of the lower weir 22 integrally covers the reinforcement member 227 and the panel body 25 which has fire resistance by expanding. It is possible to suppress the communication between the inside and the outside of the lower eyelid 22 of the inner gutter 20.

  Next, regarding the fire protection structure between the left, right eyebrow frames 13 and 14 and the inside of the outer shoji 20, 30, and the right eyebrows 23, 24, 33, 34, the right eyebrow frame 14 and the inner right eyelid 20 Description will be given with reference to the configuration of the kite 24

  As shown in FIG. 6 (a), the right eyelid frame 14 constituting the frame 10 is made of a resin material, and substantially in the center of the visible direction of the right eyelid frame main body portion 141a and the right eyelid frame main body portion 141a. A central wall 141b projecting inward from the position, an indoor side wall 141c projecting inward from the indoor side end of the right eyelid frame main body 141a, and an outer side of the right eyelid frame main body 141a And an outdoor side wall portion 141d protruding in the inner circumferential direction from the end.

The starboard frame main body portion 141a has a plurality of ribs along the longitudinal direction on the outer peripheral surface, and is attached to the building opening at a predetermined interval. Then, on the indoor side and the outdoor side of the outer peripheral surface of the right eyelid frame 14, the heat expansion materials f 141 and f 141 are disposed over substantially the entire length of the right eyelid frame 14 in the longitudinal direction.
Seal portions 141f and 141g are provided at the both ends of the starboard frame main body portion 141a in the direction of view, which abut the building opening when the starboard frame 14 is attached to the building opening, and the building opening and the upper frame The heat expansion materials f141 and f141 disposed between them and 11 are protected.

  The reinforcing member 142 disposed on the inner peripheral surface of the starboard frame 14 has a viewing surface 142a disposed on the inner peripheral surface of the starboard frame main portion 141a and a finding surface 142b disposed on the indoor side surface of the central wall portion 141b. It has an approximately L-shaped cross section. And the reinforcement member 142 is a site | part by the side of the room inner side of the appearance surface 142b from the prospect surface 142a of the reinforcement member 142, ie, the door front surface of door tip 24 and the corner part of the outdoor side face close at the time of closing of the internal shutter 20. The heat expansion materials f142 and f143 are disposed over substantially the entire length in the longitudinal direction.

  On the other hand, the right eyelid 24 of the inner seal 20 has an inner panel opening wall 241c on the indoor side of the inner peripheral side of the right eyelid main body portion 241b, and an outer panel opening wall 241d on the outdoor side. A panel opening 241a is formed by the panel opening walls 241c and 241d.

  A reinforcing member 243 is disposed at the panel opening 241 a, and a flame retardant glazing channel 249 is disposed on the inner periphery of the reinforcing member 243. A heat expansion material f 241 is provided between the reinforcing member 243 and the glazing channel 249.

A reinforcing member 242 is disposed in the hollow portion of the starboard main portion 241b.
The reinforcing member 242 has an inner side expected wall 242a, an indoor side looking wall 242b, and an outdoor side looking wall 242c, and is formed of a member having a substantially U-shaped cross section opened in the outer peripheral direction. The heat expansion materials f 242, f 243 and f 244 are respectively disposed on the outer peripheral surface of the circumferential side expected wall 242 a and the outdoor side surface of the indoor side viewing wall 242 b and the indoor side surface of the outdoor side viewing wall 242 c.
In addition, between the inner peripheral surface of the inner peripheral side expected wall 242 a of the reinforcing member 242 and the right vertical weir main body 241, the heating expansion materials f 245 and 245 are disposed.

Then, at the time of fire, as shown in FIG. 6 (b), the heat expansion materials f 141 and f 141 disposed between the building opening and the starboard frame 14 and the reinforcement fixed to the inner periphery of the starboard frame 14 The heat expansion materials f142 and f143 provided on the prospective surface 142a and the finding surface 142b of the member 142 expand, and the heat expansion materials f242, f243 and f244 arranged on the inner periphery of the reinforcing member 242 of the right frame 24 expand. Do.
At this time, the expansion directions of the heat expansion materials f 242, f 243 and f 244 disposed on the inner periphery of the reinforcing member 242 are restricted by the indoor viewing wall 242 b and the outdoor viewing wall 242 c of the reinforcing member 242 opening on the outer periphery. And expand toward the starboard frame 14.
Therefore, the heating expansion materials f242, f243, f244 arranged in the reinforcing member 242 of the right side 24 and the heating expansion materials f141, f142, f143 arranged in the right side frame 14 are integrated into a building opening, It can expand so as to wrap around the reinforcing member 142 made of a metal material and the reinforcing member 242 of the right vertical weir 24 so as to close the space between the right vertical frame 14 and the inner barrier 20.

  Further, the heat expansion material f 241 disposed on the inner periphery of the reinforcing member 243 in the panel opening 241 a of the right frame 24 integrally covers the reinforcing member 243 and the panel body 25 having fire resistance by expanding. It is possible to prevent the communication between the indoor side and the outdoor side of the right eyelid 24 of the inner seal 20.

Furthermore, in addition to the heat expansion material disposed between the above-mentioned frame and the edge of the sash, the sash of the present embodiment includes the four corners A to D of the sash shown in FIG. It has a structure for improving the fire prevention performance at the upper and lower portions E, F of the joint portion. Hereinafter, this will be described in detail with reference to FIG.
The four corners A and B of the upper frame and the four corners C and D of the lower frame, and the upper joint E of the upper frame and the upper joint F of the lower frame have substantially the same configuration. Here, it demonstrates using the upper frame 11, and the description is abbreviate | omitted about a lower frame.

As shown in FIG. 7, the upper frame 11 of the sash is provided with an upper frame main body 111 made of a resin material and an upper rail member 112 disposed at the center of the upper frame main body 111 in the prospective direction. It is disposed between the frames 13 and 14.
The upper rail member 112 has an upper inner rail 112b and an upper outer rail 112c, and is between the upper inner rail 112b and the upper outer rail 112c and substantially in the center of the upper rail member 112 in the direction in which the upper rail member 112 is found. An air blocking member 71 is disposed at the upper position of the joining portion of the outer case 20 and 30.

The air blocking member 71 is made of a soft resin member or the like having elasticity, and is provided below the lower surface of the fixing plate portion 711 having a rectangular shape in plan view and fixed to the upper rail member 112 and the lower surface of the fixing plate portion 711 A wind stop fin portion 712 is provided. In the wind stop fin portion 712 of the sash of this embodiment, a set of three fin portions aligned in the prospective direction is formed in three rows in the finding direction. In addition, the structure of the wind prevention member 71 is not specifically limited.
A heat expansion material f112 is disposed on the lower surface of the fixing plate portion 711 of the air blocking member 71 and on both sides and between the three rows of the wind stopping fins 712, 712, 712.
Therefore, at the upper position of the combined portion of the inner and outer shoji 20, 30, the heating expansion material f112 arranged on the windproof member 71 is the upper portion of the innermost 23, 23 of the outer shoji 20, 30 at the time of fire. The heat expansion material which expands at the position and closes the space between the upper frame 11 and the upper shell 21 of the inner seal 20 and the heat expansion material which seals between the upper frame 11 and the upper mesh 31 of the outer shell 30 Can be continuous at the top of the

In addition, on the outdoor side of the central wall portion 131b of the left side frame 13 of the sash, a heat expansion material f132 that expands toward the front of the door 33 of the outer tongue 30 when the outer shutters 20 and 30 are closed. And the heating expansion material f133 which expands toward the indoor side of the door tip 33 is arranged, when the inside and the outer shutter 20, 30 are closed on the indoor side of the central wall portion 141b of the right eyelet frame 14 of the sash. The heating expansion material f 142 expanding toward the door front surface of the door tip end 24 of the internal seal 20 and the heating expansion material f 143 expanding toward the outdoor side surface of the door front end 33 are disposed.
And, between the upper inner rail 112 b and the upper outer rail 112 c of the upper frame 11, the position near the porthole frame 13 and the position near the porthole frame 14, that is, the door tips 24 of the inner seal 20 and outer cover 30. , 33, two heat expansion materials f113 and f113 are arranged in line in the prospective direction.
Therefore, at the time of fire, the heat expansion materials f113 and f113 disposed at the upper corner of the door tip side of the upper frame 11 expand, and the left, the left of the right and left frame 13, 14 and the inner periphery of the right and left frame main portion 131a, 141a. And heating expansion material f132, f133, f142, f143 which are arranged in middle wall part 131b, 141b and close the gap between the door tips 24 and 3 and the left and right eyebrow frames 14 and 13 of the inner and outer shingles 20 and 30, respectively. The heat expansion materials f213 and f313 that close the space between the upper frame 11 and the upper frame 21 and 31 of the outer frame 20 and 30 can be continued in the upper corner portion of the frame 10.

Furthermore, the sash of this embodiment is equipped with the structure for improving fire prevention performance also to inside and outside shoji itself. Hereinafter, description will be made with reference to FIGS. 8 to 11. In addition, since the fireproof structure of the inner shingles 20 and the outer shingles 30 is the same, in the following description, it demonstrates using the inner shingles 20. FIG.
As shown in FIG. 8, the inner scissor 20 of the sash according to the present embodiment abuts the end faces of the upper collar 21 and the lower collar 22 to the inner peripheral surfaces of the left and right collars 23 and 24, and fixing means b such as screws. It is assembled four rounds by fixing by.
End caps 81 made of resin material are attached to the upper and lower ends of the left and right ridges 23 and 24, and the upper and lower ridges 21 and 22 are in contact with the left and right ridges 23 and 24, respectively. A corner block 82 is arranged adjacent to the end cap 81.

The configuration of the corner portion of the inner seal 20 will be described in more detail using the connecting portion between the lower arm 22 and the right arm 24.
As shown in FIG. 9A, an end cap 81 is attached to the lower end of the right arm 24 and the right arm 24 with which the end of the lower arm 22 abuts at an upper position of the end cap 81. In the panel opening 241a, a corner block 82 is disposed so as to fill the space of the panel opening 241a.

Here, the end cap 81 and the corner block 82 are shown in FIG.
The end cap 81 is made of, for example, a resin material, and as shown in FIGS. 11 (c), (d) and (e), a block-shaped insertion portion 81a and a lid portion 81b formed on the lower surface of the insertion portion 81a. And a hook portion 81c formed on the door tip side of the insertion portion 81a.
The insertion portion 81 a is provided with a plurality of rib portions 81 d, and by being inserted into the lower end of the right arm 24, the end cap 81 can be firmly attached to the lower end of the right arm 24. In a state where the insertion portion 81a is inserted into the lower end of the starboard 24, the cover 81b covers the lower end face of the starboard 24, and the collar 81c is exposed at the door lower end of the starboard 24.

  On the other hand, the corner block 82 is made of a metal material such as an aluminum alloy, and as shown in FIGS. 11 (a) and 11 (b), is a cubic block member which is long in the vertical direction as a whole. The corner block 82 has a cross-sectional dimension (approximately the same as that of the reinforcing member 243 fitted in the panel opening 241a) fitted in the panel opening 241a of the right arm 24 and for fixing means such as a plurality of screws in the vertical direction Holes 82a are formed.

  And as shown in FIG.9 (b), (c), the corner block 82 arrange | positioned in the panel opening part 241a is the contact surface where the lower door 22 of the right door 24 contacts the back door front side 82c. By making the right end portion of the lower rod 22 abut on the contact surface 241 s of the right rod 24 and the back door side surface 82 c of the corner block 82 by almost flush with 241 s, and fixing by fixing means b such as screws. , Right arm 24 and lower arm 22 can be connected.

In the state where the lower iron 22 is connected to the right eye 24, as shown in FIG. 10, the upper surface 82 b of the corner block 82 is the upper surface of the bottom wall of the reinforcing member 227 disposed in the panel opening 221 a of the lower iron 22. It will be almost flush with you.
Therefore, as shown in FIGS. 10 (b) and 10 (c), the heating expansion material f221 disposed on the bottom wall of the reinforcing member 227 can be disposed to the top surface 82b of the corner block 82. It can be made to approach in the corner part with the heating expansion material f241 arrange | positioned at the bottom wall of the reinforcement member 243 arrange | positioned in the panel opening part 241a.

As described above, among the sash according to the present embodiment, the outer scissor 20, 30 is a reinforcing core material made of a metal material inside the upper eyelid main body, the lower eyelid main body, and the left and right eyelid main bodies made of resin material. Alternatively, a reinforcing member is internally provided, and a heat expansion material is disposed at an appropriate portion of the reinforcing core material and the reinforcing member.
In particular, a reinforcing member having a substantially U-shaped cross section, which opens toward the outer peripheral side, is disposed on the main body of the door tip facing the cylindrical frame, and heat expansion is applied to three surfaces of the inner peripheral surface of the reinforcing member. The material is arranged.
Therefore, the heat expansion material expands at an early stage against fire from any of the indoor side and the outdoor side, and the heat expansion material expanded on the inner periphery of the reinforcing member is the outer peripheral side, that is, the shed frame or reinforcing member 582, Since it expands toward 592, even if the toe-end body made of resin material melts and disappears, it is possible to securely seal between the shoji and the frame.

  Between the upper frame 11, the lower frame 12, and the left and right frame 13 and 14 which constitute the frame 10, with the building opening, there are two thermal expansion materials inside and outside extending in the finding direction on the indoor side and the outdoor side. In the event of a fire, the heating expansion material provided between the opening of the building and the frame will expand and expand integrally with the heating expansion material disposed on the housing. It is possible to reliably close the gap between the opening of the building and the frame 10 and the inside and the outer pieces 20 and 30 caused by deformation and melting of the frame and the shoji by heat, and the spread of fire can be suppressed.

In addition, although the sash of this embodiment can be used alone as a sash arrange | positioned at a building opening part, as an indoor side sash arrange | positioned on the indoor side of the building opening part by which the existing sash is arrange | positioned at outdoor side, It can also be used.
Furthermore, in the present invention, the configuration of the inner cat and the outer shell is not limited to the above embodiment, and any tongue can be used without departing from the scope of the present invention.
Moreover, the cross-sectional shape of the reinforcing material which reinforces the reinforcing material of a shoji is not limited to the cross-sectional shape shown to embodiment, The position of the heating expansion material arrange | positioned at a reinforcing material is not limited, either. For example, when the reinforcing member disposed in the crucible has a hollow structure, the heat expansion material may be provided on the surface (outer peripheral surface) or the like facing the frame.
Furthermore, although it is preferable that the reinforcement member arrange | positioned in the panel opening part of the fence material which comprises a shoji is formed as a long member extended in a finding direction, it is formed in piece shape and multiple positions of the finding direction of a wedge material. It may be arranged in

10: Frame 11: Upper frame 12: Lower frame 13: Left frame 14: Right frame 20: Internal shingles 21: Upper frame 22: Lower frame 23: Right window 24: Right window 25: Panel 30: Shell plate 31: Upper frame 32: Lower frame 33: Port 34: Right wall 35: Panel 71: Wind stopper 72: Wind stopper

Claims (1)

A frame disposed at the opening, and a shoji provided with a resin cage disposed openably and closably within the frame;
The resin cage of Shoji has a hollow portion and a reinforcing member is disposed in the hollow portion,
A sash characterized in that a reinforcing member in the hollow portion is provided with a heating expansion material which expands toward the outer periphery when heated by a fire or the like.

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