JP2019151980A

JP2019151980A - Fireproof fitting

Info

Publication number: JP2019151980A
Application number: JP2018036021A
Authority: JP
Inventors: 貴之矢内; Takayuki Yanai; 肇能登谷; Hajime Notoya; 新作増山; Shinsaku Masuyama
Original assignee: Sankyo Tateyama Inc
Current assignee: Sankyo Tateyama Inc
Priority date: 2018-02-28
Filing date: 2018-02-28
Publication date: 2019-09-12
Anticipated expiration: 2038-02-28
Also published as: JP7014641B2

Abstract

To restrain indoor and outdoor sides from communicating with each other between a frame body and a sash, even when the indoor side of the frame body is exposed to a flame in a case of fire.SOLUTION: A fireproof fitting comprises a door storage case and a sash. The door storage case has a face wall on an outdoor side, a face wall on an indoor side, and a depth wall. A reinforcement member for covering an inside surface of the face wall on one side is arranged on the inside of the face wall on the one side of the door storage case. A thermal expansion material is provided on the outside surface of the reinforcement member.SELECTED DRAWING: Figure 8

Description

本発明は、建物開口部に配置される防火建具に関する。 The present invention relates to a fire prevention fitting arranged in a building opening.

建物開口部に配置される建具として、一辺に戸袋を備える枠体に対して、障子を摺動自在に配置してなる建具が公知となっている。（特許文献１）。 As a fitting that is arranged in a building opening, a fitting in which a shoji is slidably arranged on a frame having a door pocket on one side is known. (Patent Document 1).

特開２００４−１１３３５号JP 2004-11335 A

上記特許文献１の建具は、枠体の室外側に格子等を配置してなるが、火災時には、格子等を構成する枠体の室外側が熱によって溶解して、枠体と障子との間で室内外が連通する危険性があった。 The joinery disclosed in Patent Document 1 has a lattice or the like arranged on the outdoor side of the frame, but in the event of a fire, the outdoor side of the frame constituting the lattice or the like is melted by heat, so that the frame and the shoji There was a danger of communication between indoors and outdoors.

本発明は、上記の事情を鑑み、火災時に枠体が火炎に晒されても、枠体と障子との間で室内外が連通することを抑制することを目的とする。 In view of the above circumstances, an object of the present invention is to suppress communication between the room and the outside of the frame even when the frame is exposed to a flame during a fire.

本発明の一実施形態は、戸袋と、障子を、備え、戸袋は、室外側の見付壁と、室内側の見付壁と、見込壁を有し、戸袋の一方側の見付壁の内側に一方側の見付壁の内側面を覆う補強部材が配置されるとともに、補強部材の外側面に加熱膨張材を設けた防火建具である。 One embodiment of the present invention includes a door pocket and a shoji, and the door pocket has an outdoor side wall, an indoor side wall, and an expected wall, and the door wall has a side wall. While the reinforcing member which covers the inner surface of the one-sided wall is disposed on the inner side, the fire prevention fitting is provided with a heating expansion material on the outer surface of the reinforcing member.

本実施形態の建具の構成により、火災時に枠体の室内側が火炎に晒されても、枠体と障子との間で室内外が連通することを抑制することができる。 With the configuration of the joinery of the present embodiment, it is possible to suppress communication between the interior and the exterior between the frame and the shoji even if the indoor side of the frame is exposed to a flame during a fire.

本発明の一実施形態の建具の内観姿図であり、（ａ）は全体の内観姿図、（ｂ）は採風開口部を開口した状態の内観姿図である。BRIEF DESCRIPTION OF THE DRAWINGS It is an interior appearance figure of the fitting of one Embodiment of this invention, (a) is the whole interior appearance figure, (b) is the interior appearance figure of the state which opened the wind-breaking opening part. 本発明の一実施形態の建具の竪断面図である。It is a cross-sectional view of the joinery of one embodiment of the present invention. 本発明の一実施形態の建具の横断面図である。It is a cross-sectional view of the joinery of one embodiment of the present invention. 本発明の一実施形態の建具の上辺部分の竪断面図である。It is a collar cross-sectional view of the upper side portion of the joinery of one embodiment of the present invention. 本発明の一実施形態の建具の下辺部分の竪断面図である。It is a ridge cross-sectional view of the lower side part of the fitting of one embodiment of the present invention. 本発明の一実施形態の建具の左辺部分の横断面図である。It is a cross-sectional view of the left side portion of the joinery of one embodiment of the present invention. 本発明の一実施形態の建具の右辺部分の横断面図である。It is a cross-sectional view of the right side portion of the joinery of one embodiment of the present invention. 本発明の一実施形態の建具の右辺部分の一部の横断面図である。It is a cross-sectional view of a part of the right side portion of the joinery of one embodiment of the present invention. 本発明の一実施形態の建具の火災時における右辺部分の一部の横断面図である。It is a cross-sectional view of a part of the right side portion of the joinery of one embodiment of the present invention during a fire.

本発明の一実施形態の防火建具について、図面を参考に説明する。
本発明の一実施形態に係る防火建具は、図１（ａ）に示すように、建物開口部の内周面に配置される枠体１の内側にヒンジ１ａにより開閉可能に支持されたドア２と、ドア２に摺動自在に内装された障子３を備える。
ドア２は、右竪ドア枠２４にドア２を開閉するためのハンドル２４ａが設けられ、ハンドル２４ａの内周側には障子３の右辺部を収容する戸袋６を備えている。
そして、障子３を摺動させて右方へ移動させることで障子３の右辺部分が戸袋６内に収納され、図１（ｂ）に示すように、ドア２の左部分に採風開口部７が形成される。 The fire prevention fitting of one embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 1A, a fire prevention fitting according to an embodiment of the present invention is a door 2 that is supported by a hinge 1a so as to be opened and closed inside a frame 1 that is disposed on an inner peripheral surface of a building opening. And a shoji 3 slidably mounted on the door 2.
The door 2 is provided with a handle 24 a for opening and closing the door 2 on the starboard door frame 24, and a door pocket 6 that accommodates the right side portion of the shoji 3 on the inner peripheral side of the handle 24 a.
Then, by sliding the shoji 3 and moving it to the right, the right side portion of the shoji 3 is accommodated in the door pocket 6, and as shown in FIG. It is formed.

図２及び３に示すように、枠体１は、上，下枠１１，１２と左，右竪枠１３，１４を備えており、各枠材は、アルミ合金等の金属材料からなる室外側枠材１１１，１２１，１３１，１４１と合成樹脂等からなる室内側枠材１１２，１２２，１３２，１４２を有している。 As shown in FIGS. 2 and 3, the frame 1 includes upper and lower frames 11 and 12 and left and starboard frames 13 and 14, and each frame member is an outdoor side made of a metal material such as an aluminum alloy. It has frame members 111, 121, 131, 141 and indoor frame members 112, 122, 132, 142 made of synthetic resin or the like.

ドア２は、上，下ドア枠２１，２２と左、右竪ドア枠２３，２４を備え、各ドア枠の内周が開口部として形成されており、ドア２の各ドア枠の内周に形成された開口部には、障子３が摺動自在に内装されている。
右竪ドア枠２４にドア２を開閉する操作するハンドル２４ａが設けられており、ハンドル２４ａの内周側に障子３を収容する戸袋６を有している。
また、ドア２の開口部の室外側面には、網戸４が設けられている。 The door 2 includes upper and lower door frames 21 and 22 and left and starboard door frames 23 and 24. The inner periphery of each door frame is formed as an opening, and the inner periphery of each door frame of the door 2 is formed. The shoji 3 is slidably mounted in the formed opening.
The starboard door frame 24 is provided with a handle 24a for operating to open and close the door 2, and has a door pocket 6 for accommodating the shoji 3 on the inner peripheral side of the handle 24a.
A screen door 4 is provided on the outdoor side surface of the opening of the door 2.

障子３は、上，下框３１，３２と左，右竪框３３，３４を備え、各框の内周に複層パネル等のパネル３５が配置されている。障子３の上框３１は、戸車３１ａを有し上ドア枠２１に設けられたレール２１ａ上に走行自在に載置されており、障子３の下框３２は、下ドア枠２２に配置されたガイドローラ２２ａによって案内されている。
障子３の右竪框３４はドア２の右竪ドア枠２４に設けられた戸袋６内に位置しており、左竪框３３には、被ロック部３３ａが設けられ、左竪ドア枠２３に配置されたロック部材２３ａを係合することで、障子３がドア２の採風開口部７を閉鎖した状態でロックされる。（なお、図１においては、ロック部材２３ａ及び被ロック部３３ａは省略している。） The shoji 3 includes upper and lower ridges 31 and 32 and left and right ridges 33 and 34, and a panel 35 such as a multilayer panel is disposed on the inner periphery of each ridge. The upper arm 31 of the shoji 3 is placed on the rail 21a provided on the upper door frame 21 with the door 31a, and the lower arm 32 of the shoji 3 is disposed on the lower door frame 22. Guided by a guide roller 22a.
The starboard 34 of the shoji 3 is located in the door pocket 6 provided on the starboard door frame 24 of the door 2, and the port 33 is provided with a locked portion 33 a, and is attached to the port door frame 23. By engaging the arranged lock member 23a, the shoji 3 is locked in a state in which the wind opening 7 of the door 2 is closed. (In FIG. 1, the lock member 23a and the locked portion 33a are omitted.)

−上辺部分−
本実施形態の建具の上辺部分について、図４を参考に、以下に説明する。
上枠１１の室外側枠材１１１の室外側には、ドア２の上ドア枠２１に当接する気密材が取り付けられており、内周面には、加熱膨張材がホルダーによって保持されている。また、上枠１１の室内側枠材１１２の室外側面には、ドア２の上ドア枠２１の室内側面に当接する気密材が取り付けられており、気密材の上方位置から室内側部材の内周は、室外側枠材１１１にビス等で固定されたステンレス等の金属材料からなる補強部材によって覆われている。 -Upper part-
The upper side part of the joinery of this embodiment will be described below with reference to FIG.
An airtight material that contacts the upper door frame 21 of the door 2 is attached to the outdoor side of the outdoor frame member 111 of the upper frame 11, and a heating expansion material is held by a holder on the inner peripheral surface. In addition, an airtight material that contacts the indoor side surface of the upper door frame 21 of the door 2 is attached to the outdoor side surface of the indoor side frame material 112 of the upper frame 11, and the inner periphery of the indoor side member from the position above the airtight material. Is covered with a reinforcing member made of a metal material such as stainless steel fixed to the outdoor frame member 111 with screws or the like.

ドア２の上ドア枠２１は、上ドア枠本体２１１と、上ドア枠本体２１１の室内側に取り付けられた室内側上ドア枠２１２と、上ドア枠本体２１１の室外側に取り付けられた室外側上ドア枠２１３を備えている。
上ドア枠本体２１１は、アルミ合金等の金属材料からなり、外周側（上方）に上枠１１の室外側枠材１１１に取り付けられた気密材が当接する突出片を有するとともに、障子３の戸車３１ａを案内するレール２１ａを有している。また、上ドア枠本体２１１の室外側上端には、気密材が配置されている。 The upper door frame 21 of the door 2 includes an upper door frame main body 211, an indoor upper door frame 212 attached to the indoor side of the upper door frame main body 211, and an outdoor side attached to the outdoor side of the upper door frame main body 211. An upper door frame 213 is provided.
The upper door frame main body 211 is made of a metal material such as an aluminum alloy, and has a protruding piece with which an airtight material attached to the outdoor frame material 111 of the upper frame 11 abuts on the outer peripheral side (upper side). It has a rail 21a for guiding 31a. In addition, an airtight material is disposed at the upper outdoor end of the upper door frame main body 211.

室内側上ドア枠２１２は、樹脂材料からなり、上ドア枠本体２１１の室内側面を覆い、上ドア枠２１の室内側壁面を形成している。室内側上ドア枠２１２の上面は、上ドア枠本体２１１にビス等で固定されたステンレス等の金属材料からなる補強部材により覆われており、補強部材の上面に加熱により膨張する加熱膨張材が配置されている。 The indoor side upper door frame 212 is made of a resin material, covers the indoor side surface of the upper door frame main body 211, and forms the indoor side wall surface of the upper door frame 21. The upper surface of the indoor side upper door frame 212 is covered with a reinforcing member made of a metal material such as stainless steel fixed to the upper door frame main body 211 with a screw or the like, and a heating expansion material that expands by heating on the upper surface of the reinforcing member. Has been placed.

室外側上ドア枠２１３は、アルミ合金等の金属材料からなり、上方部位に上ドア枠本体２１１と係合する係合部を有し、上ドア枠本体２１１に係合することで、上ドア枠２１の室外側壁面を形成している。室外側上ドア枠２１３の室内側面には、長手方向に２条のホルダー２１３ａ，２１３ｂが形成されており、２条のホルダー２１３ａ，２１３ｂ及び両ホルダー間には、加熱により膨張する加熱膨張材が配置されている。 The outdoor upper door frame 213 is made of a metal material such as an aluminum alloy, and has an engaging portion that engages with the upper door frame main body 211 at an upper portion, and by engaging with the upper door frame main body 211, the upper door An outdoor side wall surface of the frame 21 is formed. Two holders 213a and 213b are formed in the longitudinal direction on the indoor side surface of the outdoor upper door frame 213, and between the two holders 213a and 213b and both holders, a heat expansion material that expands by heating is provided. Has been placed.

上ドア枠２１の室外側に、網戸４の網戸上枠４１が配置されている。網戸上枠４１は、中矩形状を有し、網戸上枠４１の室内側面に上ドア枠２１の上ドア枠本体２１１と室外側上ドア枠２１３との係合部分に対向するように加熱膨張材が配置されている。 A screen door upper frame 41 of the screen door 4 is disposed outside the upper door frame 21. The screen door upper frame 41 has a middle rectangular shape, and is heated and expanded so as to face an engagement portion between the upper door frame body 211 of the upper door frame 21 and the outdoor door frame 213 on the indoor side surface of the screen door upper frame 41. The material is arranged.

障子３の上框３１は、アルミ合金等の金属材料からなり中空部を有する室外側上框３１１と、樹脂材料からなり中空部を有する室内側上框３１２と、アルミ合金等の金属材料からなり室外側上框３１１の室外側下面に取り付けられる押縁３１３を有し、室外側上框３１１の中空部内にはスチール等の金属材料からなる補強部材が配置されている。上框３１の内周にパネル３５を保持するパネル間口が形成され、パネル間口内に、室内側上框３１２の内周面を覆うステンレス等の金属材料からなる補強部材が室外側上框３１１及び室外側上框３１１内に配置された補強部材にビス等で固定されて配置されている。 The upper arm 31 of the shoji 3 is made of a metal material such as an aluminum alloy and has an outdoor upper arm 311 having a hollow portion, an indoor upper arm 312 made of a resin material and having a hollow portion, and a metal material such as an aluminum alloy. There is a pressing edge 313 attached to the lower outside surface of the outdoor upper collar 311, and a reinforcing member made of a metal material such as steel is disposed in the hollow portion of the outdoor upper collar 311. A panel opening for holding the panel 35 is formed on the inner periphery of the upper collar 31, and a reinforcing member made of a metal material such as stainless steel covering the inner peripheral surface of the indoor upper collar 312 is formed in the panel opening. The reinforcing member arranged in the outdoor upper tub 311 is fixed with screws or the like.

−下辺部分−
本実施形態の建具の下辺部分について、図５を参考に、以下に説明する。
下枠１２の室外側枠材１２１の室外側には、ドア２の下ドア枠２２に当接する気密材が取り付けられている。また、下枠１２の室内側枠材１２２の室外側には、ドア２の下ドア枠２２の室内側面に当接する気密材が取り付けられている。 -Bottom part-
The lower part of the joinery of this embodiment will be described below with reference to FIG.
An airtight material that comes into contact with the lower door frame 22 of the door 2 is attached to the outdoor side of the outdoor frame member 121 of the lower frame 12. In addition, an airtight material that contacts the indoor side surface of the lower door frame 22 of the door 2 is attached to the outdoor side of the indoor side frame member 122 of the lower frame 12.

ドア２の下ドア枠２２は、下ドア枠本体２２１と、下ドア枠本体２２１の室内側に取り付けられた室内側下ドア枠２２２と、下ドア枠本体２２１の室外側に取り付けられた室外側下ドア枠２２３を備えている。
下ドア枠本体２２１は、アルミ合金等の金属材料からなり、中空部を有しており、外周側（下方）に下枠１２の室外側枠材１２１に取り付けられた気密材が当接する突出片を有している。中空部内にスチール等の金属材料からなる補強部材が配置されており、内周側（上方）には、障子３を案内するガイドローラ２２ａが固定されている。なお、ガイドローラ２２ａは、中空部内の補強部材に固定することで、さらに強固に固定することができる。 The lower door frame 22 of the door 2 includes a lower door frame main body 221, an indoor side lower door frame 222 attached to the indoor side of the lower door frame main body 221, and an outdoor side attached to the outdoor side of the lower door frame main body 221. A lower door frame 223 is provided.
The lower door frame body 221 is made of a metal material such as an aluminum alloy, has a hollow portion, and a protruding piece with which an airtight material attached to the outdoor frame member 121 of the lower frame 12 abuts on the outer peripheral side (downward). have. A reinforcing member made of a metal material such as steel is disposed in the hollow portion, and a guide roller 22a for guiding the shoji 3 is fixed on the inner peripheral side (upper side). The guide roller 22a can be fixed more firmly by fixing it to the reinforcing member in the hollow portion.

室内側下ドア枠２２２は、樹脂材料からなり、下ドア枠本体２２１の室内側面を覆い、下ドア枠２２の室内側壁面を形成している。室内側下ドア枠２２２の下面は、下ドア枠本体２２１にビス等により固定されたステンレス等の金属材料からなる補強部材により覆われている。 The indoor side lower door frame 222 is made of a resin material, covers the indoor side surface of the lower door frame main body 221, and forms the indoor side wall surface of the lower door frame 22. The lower surface of the indoor side lower door frame 222 is covered with a reinforcing member made of a metal material such as stainless steel fixed to the lower door frame main body 221 with screws or the like.

室外側下ドア枠２２３は、アルミ合金等の金属材料からなり、下方部位に下ドア枠本体２２１と係合する係合部を有している。そして、室外側下ドア枠２２３は、係合部が下ドア枠本体２２１に係合されるとともに、ビス等により固定され、下ドア枠２２の室外側壁面を形成している。なお、室外側下ドア枠２２３は、下ドア枠本体２２１の中空部内の補強部材に固定することで、さらに強固に固定することができる。
室外側下ドア枠２２３の室内側面には、長手方向に２条のホルダー２２３ａ，２２３ｂが形成されており、２条のホルダー２２３ａ，２２３ｂには、加熱により膨張する加熱膨張材が配置されている。なお、加熱膨張材は、上ドア枠２１と同様に、２条のホルダー２２３ａ，２２３ｂ間にさらに配置してもよい。 The outdoor lower door frame 223 is made of a metal material such as an aluminum alloy, and has an engaging portion that engages with the lower door frame main body 221 at a lower portion. The outdoor lower door frame 223 is engaged with the lower door frame main body 221 and fixed with screws or the like to form an outdoor wall surface of the lower door frame 22. The outdoor lower door frame 223 can be more firmly fixed by fixing it to the reinforcing member in the hollow portion of the lower door frame main body 221.
Two strip holders 223a and 223b are formed in the longitudinal direction on the indoor side surface of the outdoor lower door frame 223, and a thermal expansion material that expands by heating is disposed in the two strip holders 223a and 223b. . The heating expansion material may be further disposed between the two holders 223a and 223b in the same manner as the upper door frame 21.

下ドア枠２２の室外側に、網戸４の網戸下枠４２が配置されている。網戸下枠４２は、中矩形状を有し、室内側面には、下ドア枠本体２２１の下方室外側面に対向するように加熱膨張材が配置されている。 A screen door lower frame 42 of the screen door 4 is disposed outside the lower door frame 22. The screen door lower frame 42 has an intermediate rectangular shape, and a heating expansion material is disposed on the indoor side surface so as to face the lower outdoor side surface of the lower door frame main body 221.

障子３の下框３２は、アルミ合金等の金属材料からなり中空部を有する室外側下框３２１と、樹脂材料からなり中空部を有する室内側下框３２２と、アルミ合金等の金属材料からなり室外側下框３２１の室外側上面に取り付けられる押縁３２３とを有しており、室外側下框３２１の中空部内にはスチール等の金属材料からなる補強部材が配置されている。
室外側下框３２１の外周側（下方）には、下ドア枠２２に設けられたガイドローラ２２ａを案内する案内溝が形成されており、下框３２の内周にはパネル３５を保持するパネル間口が形成されている。
パネル間口内には、室内側下框３２２の内周面を覆うステンレス等の金属材料からなる補強部材が室外側下框３２１及び室外側下框３２１の中空部内に配置された補強部材にビス等により固定されて配置されている。 The lower arm 32 of the shoji 3 is made of a metal material such as an aluminum alloy and has an outdoor lower arm 321 having a hollow portion, an indoor lower arm 322 made of a resin material and having a hollow portion, and a metal material such as an aluminum alloy. And a pressing edge 323 attached to the outdoor upper surface of the outdoor lower hook 321, and a reinforcing member made of a metal material such as steel is disposed in the hollow portion of the outdoor lower hook 321.
A guide groove for guiding the guide roller 22 a provided in the lower door frame 22 is formed on the outer peripheral side (downward) of the outdoor lower lower flange 321, and a panel for holding the panel 35 is formed on the inner periphery of the lower flange 32. A frontage is formed.
A reinforcing member made of a metal material such as stainless steel that covers the inner peripheral surface of the indoor lower jar 322 is provided in the front panel of the panel with screws or the like disposed in the hollow portions of the outdoor lower jar 321 and the outdoor lower jar 321. It is fixed and arranged by.

−左辺部分−
本実施形態の建具の左辺部分について、図６を参考に、以下に説明する。
左竪枠１３の室外側枠材１３１の内周面にヒンジ１ａが固定されている。また、左竪枠１３の室内側枠材１３２の室外側面には、ドア２の左竪ドア枠２３の室内側面に当接する気密材が取り付けられており、気密材の外周側位置から室内側枠材１３２の内周は、室外側部材に１３１にビス等で固定されたステンレス等の金属材料からなる補強部材によって覆われている。 -Left side part-
The left side portion of the joinery of this embodiment will be described below with reference to FIG.
A hinge 1 a is fixed to the inner peripheral surface of the outdoor frame member 131 of the port frame 13. In addition, an airtight material that abuts the indoor side surface of the port door frame 23 of the door 2 is attached to the outdoor side surface of the indoor side frame member 132 of the port side frame 13, and the indoor side frame is positioned from the outer peripheral side position of the airtight material. The inner periphery of the material 132 is covered with a reinforcing member made of a metal material such as stainless steel fixed to the outdoor member 131 with screws or the like.

ドア２の左竪ドア枠２３は、アルミ合金等の金属材料からなり中空部を有する左竪ドア枠本体２３１と、樹脂材料からなり中空部を有し左竪ドア枠本体２３１の室内側に取り付けられる室内側左竪ドア枠２３２とを備えており、左竪ドア枠本体２３１の中空部内には、スチール等の金属材料からなる補強部材が配置されるとともに、補強部材の内周面に加熱膨張材が設けられている。
左竪ドア枠本体２３１は、外周面に左竪枠１３に固定されたヒンジ１ａが固定され、枠体１に対してドア２を開閉自在に支持している。 The port door frame 23 of the door 2 is a port side door frame main body 231 made of a metal material such as an aluminum alloy and having a hollow portion, and a port portion made of a resin material having a hollow portion and attached to the room side of the port side door frame main body 231. And a reinforcing member made of a metal material such as steel is disposed in the hollow portion of the port door frame main body 231 and is heated and expanded on the inner peripheral surface of the reinforcing member. Material is provided.
The port door frame main body 231 has a hinge 1 a fixed to the port frame 13 fixed to the outer peripheral surface thereof, and supports the door 2 so that it can be opened and closed with respect to the frame body 1.

左竪ドア枠２３の内周面は、障子３の閉鎖時に左竪框３３を受け入れる溝部が形成されており、溝部には、引寄片が設けられているとともに、加熱膨張材が配置され、溝部の室内側壁及び室外側壁に障子３の左竪框３３に当接する気密材がそれぞれ設けられている。
左竪ドア枠２３の室内側面には、障子３の閉鎖状態を維持するロック部材２３ａが配置されている。
また、左竪ドア枠２３の室外側に、網戸４の網戸左竪枠４３が配置されている。 The inner peripheral surface of the port door frame 23 is formed with a groove portion that receives the port port 33 when the shoji 3 is closed, and the groove portion is provided with an attracting piece, and a heating expansion material is disposed, Airtight materials that contact the port side 33 of the shoji 3 are respectively provided on the indoor side wall and the outdoor side wall of the groove portion.
A lock member 23 a that maintains the closed state of the shoji 3 is disposed on the indoor side surface of the port door frame 23.
In addition, a screen door frame 43 of the screen door 4 is disposed outside the port door frame 23.

障子３の左竪框３３は、アルミ合金等の金属材料からなり中空部を有する室外側左竪框３３１と、樹脂材料からなり中空部を有する室内側左竪框３３２と、アルミ合金等の金属材料からなり室外側左竪框３３１の室外側内周面に取り付けられる押縁３３３を有している。
室外側左竪框３３１の外周には、左竪ドア枠２３に設けられた引寄片に当接する引寄部材及び加熱膨張材が配置されており、中空部内には、スチール等の金属材料からなる補強部材が配置されている。 The port 33 of the shoji 3 includes an outdoor port 331 made of a metal material such as an aluminum alloy and having a hollow portion, an indoor port port 332 made of a resin material and having a hollow portion, and a metal such as an aluminum alloy. It has a pressing edge 333 made of a material and attached to the inner peripheral surface of the outdoor side port 331.
On the outer periphery of the outdoor port 331, an attracting member and a heating expansion material that contact the attracting piece provided on the port door frame 23 are arranged, and the hollow portion is made of a metal material such as steel. A reinforcing member is arranged.

室内側左竪框３３２の室内側面には、左竪ドア枠２３の室内側面に配置されたロック部材２３ａが係合する被ロック部３３ａが設けられており、被ロック部３３ａ材の内周側に障子３を開閉する際などに把持する把持部３３ｂが設けられている。また、左竪框３３の内周にはパネル３５を保持するパネル間口が形成されており、パネル間口内には、室内側左竪框３３２の内周面を覆うステンレス等の金属材料からなる補強部材が室外側左竪框３３１及び室外側左竪框３３１の中空部内に配置された補強部材にビス等で固定されて配置されている。 On the indoor side surface of the indoor side port 332, a locked portion 33a that engages with a lock member 23a disposed on the indoor side surface of the port door frame 23 is provided, and the inner peripheral side of the material to be locked 33a In addition, a gripping portion 33b is provided for gripping when the shoji 3 is opened and closed. Further, a panel opening for holding the panel 35 is formed on the inner periphery of the port 33, and a reinforcement made of a metal material such as stainless steel covering the inner periphery of the indoor side port 332 is formed in the panel opening. The members are fixed to the reinforcing members disposed in the hollow portions of the outdoor port 331 and the outdoor port 331 with screws or the like.

−右辺部分−
本実施形態の建具の右辺部分について、図７を参考に、以下に説明する。
右竪枠１４の室内側枠材１４２の室外側面には、ドア２の右竪ドア枠２４の室内側面に当接する気密材が取り付けられており、気密材の外周側位置から室内側枠材１４２の内周は、室外側枠材に１４１に固定されたステンレス等の金属材料からなる補強部材によって覆われている。 -Right side part-
The right side portion of the joinery of this embodiment will be described below with reference to FIG.
An airtight material that comes into contact with the indoor side surface of the starboard door frame 24 of the door 2 is attached to the outdoor side surface of the indoor side frame member 142 of the starboard frame 14, and the indoor side frame material 142 from the outer peripheral side position of the airtight material. Is covered with a reinforcing member made of a metal material such as stainless steel fixed to the outdoor frame member 141.

ドア２の右竪ドア枠２４は、中空部を有する右竪ドア枠本体２４１と、右竪ドア枠本体２４１の室内側に取り付けられた室内側右竪ドア枠２４２と、右竪ドア枠本体２４１の室外側に取り付けられた室外側右竪ドア枠２４３を備えている。
右竪ドア枠本体２４１は、アルミ合金等の金属材料からなり外周端に煙返しが形成され、煙返しの室内側面に加熱膨張材が配置されている。また、右竪ドア枠本体２４１の中空部内には、スチール等の金属材料からなる補強部材及び加熱膨張材が配置されている。また、右竪ドア枠本体２４１にハンドル２４ａが設けられ、右竪ドア枠本体２４１の外周面に右竪枠１４に当接する気密材が取り付けられている。 The starboard door frame 24 of the door 2 includes a starboard door frame main body 241 having a hollow portion, an indoor side starboard door frame 242 attached to the indoor side of the starboard door frame main body 241, and a starboard door frame main body 241. The outdoor starboard door frame 243 attached to the outdoor side is provided.
The starboard door frame main body 241 is made of a metal material such as an aluminum alloy, smoke smoke is formed at the outer peripheral end, and a heating expansion material is disposed on the indoor side surface of the smoke smoke. Further, in the hollow portion of the starboard door frame main body 241, a reinforcing member and a heating expansion material made of a metal material such as steel are disposed. Further, a handle 24 a is provided on the starboard door frame main body 241, and an airtight material that contacts the starboard frame 14 is attached to the outer peripheral surface of the starboard door frame main body 241.

室内側右竪ドア枠２４２は、合成樹脂等からなり中空部を有しており、右竪ドア枠本体２４１の室内側面を覆うように配置されている。
そして、室内側右竪ドア枠２４２の内周側に連続して室内側壁部材６２設けられており、室内側壁部材６２の外周が右竪ドア枠本体２４１及び室内側右竪ドア枠２４２の内周面に固定されている。
また、右竪ドア枠本体２４１の内周面及び室外側右竪ドア枠２４３の室内側面にステンレス等の金属材料からなり断面略Ｌ字状の取付金具６１が固定されており、取付金具６１には室外側右竪ドア枠２４３の内周面に配置された室外側壁補強部材（補強部材）６３が固定されている。
右竪ドア枠２４の室外側右竪ドア枠２４３の内周側であって室外側壁補強部材６３の室外側に、右竪網戸枠を兼ねる合成樹脂からなる室外側壁部材６４が配置されており、右竪ドア枠本体２４１、室内側右竪ドア枠２４２、室外側右竪ドア枠２４３、室内側壁部材６２、室外側壁補強部材６３及び室外側壁部材６４によって戸袋６を有する右竪ドア枠２４が形成されている。 The indoor side starboard door frame 242 is made of synthetic resin and has a hollow portion, and is disposed so as to cover the indoor side surface of the starboard door frame main body 241.
The indoor side wall member 62 is continuously provided on the inner peripheral side of the indoor side starboard door frame 242, and the outer periphery of the indoor side wall member 62 is the inner periphery of the starboard door frame main body 241 and the indoor side starboard door frame 242. It is fixed to the surface.
A mounting bracket 61 made of a metal material such as stainless steel is fixed to the inner peripheral surface of the starboard door frame main body 241 and the indoor side surface of the outdoor starboard door frame 243. The outdoor side wall reinforcing member (reinforcing member) 63 disposed on the inner peripheral surface of the outdoor side starboard door frame 243 is fixed.
An outdoor side wall member 64 made of synthetic resin also serving as a starboard screen door frame is disposed on the inner peripheral side of the outdoor side starboard door frame 243 of the starboard door frame 24 and outside the outdoor side wall reinforcing member 63. The starboard door frame 24 having the door pocket 6 is formed by the starboard door frame main body 241, the indoor side starboard door frame 242, the outdoor side starboard door frame 243, the indoor side wall member 62, the outdoor side wall reinforcing member 63, and the outdoor side wall member 64. Has been.

障子３の右竪框３４は、金属材料からなり中空部を有する室外側右竪框３４１と、樹脂材料からなり中空部を有する室内側右竪框３４２とを有しており、室外側右竪框３４１の中空部内には、スチール等の金属材料からなる補強部材が配置されている。
右竪框３４の内周にはパネル３５を保持するパネル間口が形成されており、パネル間口内には、室内側右竪框３４２の内周面を覆うステンレス等の金属材料からなる補強部材が室外側右竪框３４１及び室外側右竪框３４１の中空部内に配置された補強部材にビス等により固定されて配置されている。 The starboard 34 of the shoji 3 has an outdoor starboard 341 made of a metal material and having a hollow portion, and an indoor starboard starboard 342 made of a resin material and having a hollow portion. A reinforcing member made of a metal material such as steel is disposed in the hollow portion of the flange 341.
A panel opening for holding the panel 35 is formed on the inner periphery of the starboard 34, and a reinforcing member made of a metal material such as stainless steel covering the inner peripheral surface of the indoor starboard 342 is formed in the panel opening. The outdoor starboard 341 and the reinforcing member disposed in the hollow portion of the outdoor starboard 341 are fixed by screws or the like.

−戸袋の構成−
内周に戸袋６を有する右竪ドア枠２４について、さらに説明する。
右竪ドア枠２４の室内側右竪ドア枠２４２の内周側に設けられ、戸袋６の室内側の見付壁を構成する室内側壁部材６２は、合成樹脂からなる内部材６２１および外部材６２２を有している。
室内側壁部材６２は、外部材６２２の外周の固定部が右竪ドア枠本体２４１にビス等により固定され、室内側右竪ドア枠２４２に係合することで室内側右竪ドア枠２４２の内周側に配置される。なお、外部材６２２の外周の固定部を右竪ドア枠本体２４１の中空部内に配置された補強部材にネジ等で固定されることにより、さらに強固に固定することができる。
外部材６２２は、複数の中空部を備えており、内周側に障子３の右竪框３４の室内側面に設けられた煙返し片３４ａと協働して煙返しを形成する煙返し片６２２ａを有している。 -Composition of door pocket-
The starboard door frame 24 having the door pocket 6 on the inner periphery will be further described.
The indoor side wall member 62 that is provided on the inner peripheral side of the starboard door frame 242 of the starboard door frame 24 and constitutes the indoor side finding wall of the door pocket 6 includes an inner member 621 and an outer member 622 made of synthetic resin. have.
The indoor side wall member 62 is fixed to the starboard door frame main body 241 with a screw or the like on the outer periphery of the outer member 622 and engages with the indoor starboard door frame 242 so that the interior side starboard door frame 242 has an inner side. It is arranged on the circumferential side. In addition, it can fix still more firmly by fixing the fixing | fixed part of the outer periphery of the outer member 622 to the reinforcement member arrange | positioned in the hollow part of the starboard door frame main body 241 with a screw | thread.
The external member 622 has a plurality of hollow portions, and a smoke-return piece 622a that forms smoke return in cooperation with the smoke-return piece 34a provided on the inner side of the starboard 34 of the shoji 3 on the inner peripheral side. have.

また、内部材６２１は、複数の中空部を備えており、外部材６２２の室内側面を覆うように配置されネジ等により連結されることで、見込み方向に複数の中空部が積層された室内側壁部材６２が形成されている。
そして、右竪ドア枠２４の室内側の見付壁が、合成樹脂製で複数の中空部を備える室内側壁部材６２によって構成されることで、戸袋６からの室内側への冷熱の伝達を抑止して、断熱性を向上させている。 Further, the inner member 621 includes a plurality of hollow portions, and is disposed so as to cover the inner side surface of the outer member 622 and is connected by screws or the like, so that the inner side wall in which the plurality of hollow portions are stacked in the expected direction. A member 62 is formed.
And the indoor side wall of the starboard door frame 24 is made of a synthetic resin and includes an indoor side wall member 62 having a plurality of hollow portions, thereby suppressing the transmission of cold heat from the door pocket 6 to the indoor side. And heat insulation is improved.

一方、戸袋６の室外側の見付壁は、アルミ合金等の金属材料からなる室外側右竪ドア枠２４３と樹脂材料からなる室外側壁部材６４を有しており、室外側壁部材６４の室内側面が室外側壁補強部材６３によって覆われている。
室外側壁補強部材６３は、断面略Ｌ字状の複数の取付金具６１によって右竪ドア枠２４に固定されている。図８に示すように、断面略Ｌ字状の取付金具６１は、右竪ドア枠本体２４１の内周面及び室外側右竪ドア枠２４３の室内側面にネジｂ１、ｂ２等により固定されており、取付金具６１の内周側にネジｂ３等により室外側壁補強部材６３が固定されている。取付金具６１は、短尺で右竪ドア枠２４の長手方向にそって複数個所に設けられている。なお、取付金具６１を右竪ドア枠本体２４１の中空部内に配置された補強部材にネジ等で固定されることにより、さらに強固に固定することができる。 On the other hand, the exterior wall of the door pocket 6 has an outdoor starboard door frame 243 made of a metal material such as an aluminum alloy and an outdoor wall member 64 made of a resin material. Is covered by the outdoor wall reinforcing member 63.
The outdoor wall reinforcing member 63 is fixed to the starboard door frame 24 by a plurality of mounting brackets 61 having a substantially L-shaped cross section. As shown in FIG. 8, the mounting bracket 61 having a substantially L-shaped cross section is fixed to the inner peripheral surface of the starboard door frame main body 241 and the indoor side surface of the outdoor starboard door frame 243 with screws b1, b2, and the like. The outdoor wall reinforcing member 63 is fixed to the inner peripheral side of the mounting bracket 61 by a screw b3 or the like. The mounting bracket 61 is short and provided at a plurality of locations along the longitudinal direction of the starboard door frame 24. In addition, it can fix still more firmly by fixing the attachment bracket 61 to the reinforcement member arrange | positioned in the hollow part of the starboard door frame main body 241 with a screw | thread.

室外側壁補強部材６３は、アルミ合金等の金属材料からなり、障子３の右竪框３４の室外側面に設けられた煙返し片３４ｂと協働して煙返しを形成する煙返し片６３ａと、中空部６３ｂと、中空部の外周側に連設された固定部６３ｃと、を有している。
室外側壁補強部材６３の室内側面及び室外側面には、ステンレス等の金属材料からなる第１副補強部材６３１及び第２副補強部材６３２が配置されており、室外側壁補強部材６３の特に煙返し片６３ａ部分の強度を向上させている。
具体的には、第１副補強部材６３１は室外側壁補強部材６３の室内側面及び煙返し片６３ａ部分の一部の内側(外周側)面を覆うように配置され、第２副補強部材６３２は、室外側壁補強部材６３の内周側室外側面、煙返し片６３ａ部分の外側（内周側）面及び室内側面を覆うように配置されている。 The outdoor side wall reinforcing member 63 is made of a metal material such as an aluminum alloy, and the smoke return piece 63a that forms smoke return in cooperation with the smoke return piece 34b provided on the outdoor side surface of the starboard 34 of the shoji 3; It has the hollow part 63b and the fixing | fixed part 63c provided in a row by the outer peripheral side of the hollow part.
A first sub-reinforcing member 631 and a second sub-reinforcing member 632 made of a metal material such as stainless steel are disposed on the indoor side surface and the outdoor side surface of the outdoor side wall reinforcing member 63. The strength of the 63a portion is improved.
Specifically, the first auxiliary reinforcing member 631 is arranged so as to cover the indoor side surface of the outdoor wall reinforcing member 63 and a part of the inner side (outer peripheral side) of the smoke return piece 63a, and the second auxiliary reinforcing member 632 The outdoor side wall reinforcing member 63 is disposed so as to cover the inner peripheral side outdoor side surface, the outer side (inner peripheral side) surface of the smoke return piece 63a, and the indoor side surface.

そして、室内側面に配置された第１副補強部材６３１に、煙返し片６３ａに対向するように加熱膨張材ｆ１が配置されているとともに、室外側壁補強部材６３の中空部６３ｂの室外側面に加熱膨張材ｆ２が配置されている。
さらに、固定部６３ｃの室外側面に加熱膨張材ｆ３が配置されている。 A heating expansion material f1 is disposed on the first sub-reinforcing member 631 disposed on the indoor side surface so as to face the smoke return piece 63a, and the outdoor side surface of the hollow portion 63b of the outdoor side wall reinforcing member 63 is heated. An expansion material f2 is disposed.
Furthermore, the heating expansion material f3 is arrange | positioned at the outdoor side surface of the fixing | fixed part 63c.

一方、障子３の右竪框３４は、室外側の煙返し片３４ｂの室外側面を覆うようにステンレス等の金属材料からなる補強部材が配置されているとともに、補強部材に加熱膨張材ｆ４が配置されている。また、パネル間口の内面にステンレス等の金属材料からなる補強部材が配置されている。 On the other hand, the starboard 34 of the shoji 3 is provided with a reinforcing member made of a metal material such as stainless steel so as to cover the outdoor side surface of the outdoor smoke return piece 34b, and a heating expansion material f4 is arranged on the reinforcing member. Has been. Further, a reinforcing member made of a metal material such as stainless steel is disposed on the inner surface of the panel frontage.

以上の本実施形態の建具においては、以下のような効果を奏することができる。
戸袋６を備える右竪ドア枠２４は、室内側に合成樹脂製の室内側右竪ドア枠２４２及び室内側壁部材６２を配置することで高い断熱性能を維持するとともに、室外側の室外側壁部材６４の室内側を覆うように金属材料からなる室外側壁補強部材６３を配置することにより、火災時に戸袋６部分における室内外の連通を抑制して耐火性能を向上させることができる。 In the joinery of this embodiment as described above, the following effects can be obtained.
The starboard door frame 24 provided with the door pocket 6 maintains the high heat insulating performance by arranging the indoor side starboard door frame 242 and the indoor side wall member 62 made of synthetic resin on the indoor side, and also has an outdoor side wall member 64 on the outdoor side. By disposing the outdoor side wall reinforcing member 63 made of a metal material so as to cover the indoor side, the indoor / outdoor communication in the door pocket 6 portion can be suppressed and the fire resistance performance can be improved in the event of a fire.

そして、室外側壁補強部材６３は、金属材料からなる取付金具６１を介して右竪ドア枠２４に固定されているので、奥行きのある戸袋６の外周面に容易かつ強固に固定することができ、取付金具６１が右竪ドア枠２４の見込壁である右竪ドア枠本体２４１の内周面に固定されることで、比較的火炎の影響を受け難い部位で室外側壁補強部材６３を支持することができ火災時の室外側壁補強部材６３の脱落を抑制することができる。なお、取付金具６１の右竪ドア枠２４への固定は、右竪ドア枠本体２４１の内周面に対する固定だけでもよいが、取付金具６１を右竪ドア枠本体２４１の内周面及び室外側右竪ドア枠２４３の室内側面に固定することで、略Ｌ字状の取付金具６１によって右竪ドア枠本体２４１と室外側右竪ドア枠２４３との連結を補強することができ、戸袋６の強度を高めることができる。 And since the outdoor side wall reinforcement member 63 is being fixed to the starboard door frame 24 via the attachment bracket 61 which consists of metal materials, it can be fixed to the outer peripheral surface of the deep door pocket 6 easily and firmly, Since the mounting bracket 61 is fixed to the inner peripheral surface of the starboard door frame main body 241 that is a prospective wall of the starboard door frame 24, the outdoor wall reinforcing member 63 is supported at a portion that is relatively hardly affected by the flame. It is possible to prevent the outdoor wall reinforcing member 63 from falling off during a fire. The mounting bracket 61 may be fixed to the starboard door frame 24 only by fixing the starboard door frame main body 241 to the inner peripheral surface, but the mounting bracket 61 may be fixed to the inner peripheral surface of the starboard door frame main body 241 and the outdoor side. By fixing to the indoor side surface of the starboard door frame 243, the connection between the starboard door frame main body 241 and the outdoor starboard door frame 243 can be reinforced by the substantially L-shaped mounting bracket 61. Strength can be increased.

また、室外側壁補強部材６３は、右竪ドア枠２４の長手方向ほぼ全長に亘って設けられ、内周に煙返し片６３ａが一体的に形成されているので、室外側壁補強部材６３を設けることで戸袋６の室外側の耐火性能の向上と共に煙返しの形成を容易に行うことができる。さらに、室外側壁補強部材６３の室内側および／または室外側を覆うようにステンレス等の金属材料からなる副補強部材を設けることで、比較的熱に強く剛性の高い煙返し片を形成することができる。 Further, the outdoor side wall reinforcing member 63 is provided over substantially the entire length of the starboard door frame 24 in the longitudinal direction, and the smoke return piece 63a is integrally formed on the inner periphery, so that the outdoor side wall reinforcing member 63 is provided. Thus, the smoke return can be easily formed while improving the fire resistance of the outdoor side of the door pocket 6. Furthermore, by providing a sub-reinforcing member made of a metal material such as stainless steel so as to cover the indoor side and / or the outdoor side of the outdoor wall reinforcing member 63, it is possible to form a smoke return piece that is relatively heat resistant and highly rigid. it can.

また、室外側壁補強部材６３の室内側面に障子３の煙返し片と協働して形成される煙返しに向かって膨張するように加熱膨張材ｆ１が配置され、また、障子３の右竪框３４の煙返し片近傍に加熱膨張材ｆ４が配置されているので、火災時に、膨張材によって煙返し部を覆い火炎や煙の侵入を防止することができる。 Further, a heating expansion material f1 is disposed on the indoor side surface of the outdoor side wall reinforcing member 63 so as to expand toward the smoke flare formed in cooperation with the smoke flake piece of the shoji 3 and the starboard of the shoji 3 Since the heating expansion material f4 is disposed in the vicinity of the smoke return piece 34, it is possible to prevent the flame and smoke from entering by covering the smoke return portion with the expansion material in the event of a fire.

また、室外側壁補強部材６３の中空部６３ｂの室外側及び固定部６３ｃの室外側に加熱膨張材ｆ２，ｆ３が配置されているので、火災時には膨張した加熱膨張材ｆ２によって戸袋６の室外側を覆い、火炎等による戸袋６の室外側壁部の変形を抑制することができるとともに、室外側右竪ドア枠２４３が変形した場合でも、図９に示すように、加熱膨張材ｆ３によって室外側壁補強部材６３と室外側右竪ドア枠２４３との間を塞ぐことができ、火災の延焼を抑制することができる。 In addition, since the heat expansion materials f2 and f3 are arranged on the outdoor side of the hollow portion 63b of the outdoor side wall reinforcing member 63 and on the outdoor side of the fixed portion 63c, the outdoor side of the door pocket 6 is covered by the heat expansion material f2 expanded in the event of a fire. Even when the outdoor starboard door frame 243 is deformed while the deformation of the outdoor wall of the door pocket 6 due to covering, flame or the like can be suppressed, as shown in FIG. 63 and the outdoor starboard door frame 243 can be closed, and the spread of fire can be suppressed.

なお、上記の実施形態においては、戸袋６の室外側に金属製の補強部材６３が取付金具６１によって設けられているが、戸袋６の室内側の見付壁である室内側壁部材６２の室外側面に金属製の補強部材を配置してもよく、さらには、補強部材を室内側と室外側の両側の見付壁に配置してもよい。また、金属製の室外側壁補強部材６３によって覆う戸袋６の部分に限定はなく、見付壁のうち火炎に対して弱い部分を覆うだけでもよいし、全体を覆うように構成してもよい。
なお、本実施形態における金属材料からなる補強部材は、被補強部材よりも火炎や熱に対して耐性が高ければよく、その材料は限定されるものではない。なお、使用者の目につくところに配置される補強部材は、さびにくいステンレス等の金属材料により形成した補強部材を用いることが好ましい。
また、上記実施形態においては、ドア２に設けられた開口部を覆う障子３の一部を収容するように戸袋が形成されているが、上記実施形態に限定されるものではなく、直接建物に戸袋が設けられていても良く、障子の全体を収容する戸袋であってもよい。
すなわち、上記実施形態の建具の例は一例であって、本発明の建具はドアに限るものではなく、建具の種類は何ら限定されるものではない。 In the embodiment described above, the metal reinforcing member 63 is provided on the outdoor side of the door pocket 6 by the mounting bracket 61, but the outdoor side surface of the indoor side wall member 62 that is the indoor side wall of the door pocket 6. A metal reinforcing member may be disposed on the wall, and further, the reinforcing member may be disposed on the finding walls on both the indoor side and the outdoor side. Moreover, there is no limitation in the part of the door pocket 6 covered with the metal outdoor side wall reinforcement member 63, You may just cover the weak part with respect to a flame among the finding walls, and you may comprise so that the whole may be covered.
In addition, the reinforcement member which consists of a metal material in this embodiment should just have tolerance with respect to a flame or heat rather than a to-be-reinforced member, The material is not limited. In addition, it is preferable to use the reinforcement member formed with metal materials, such as stainless steel which is hard to rust, as the reinforcement member arrange | positioned in a user's eye.
Moreover, in the said embodiment, although the door pocket is formed so that a part of the shoji 3 which covers the opening part provided in the door 2 may be accommodated, it is not limited to the said embodiment, It is directly on a building. A door pocket may be provided, or a door pocket that accommodates the entire shoji screen.
That is, the example of the joinery of the above embodiment is an example, and the joinery of the present invention is not limited to the door, and the kind of joinery is not limited at all.

１：枠体
２：ドア
３：障子
６：戸袋
７：採風開口部
２４：右竪ドア枠
３４：右竪框
３４ａ：煙返し片
３４ｂ：煙返し片
６１：取付金具
６２：室内側壁部材
６３：室外側壁補強部材
６３ａ：煙返し片
６３ｂ：中空部
６３ｃ：固定部
６４：室外側壁部材
２４１：右竪ドア枠本体
２４２：室内側右竪ドア枠
２４３：室外側右竪ドア枠
３４１：室外側右竪框
３４２：室内側右竪框
６２１：内部材
６２２：外部材
６２２ａ：煙返し片
６３１：第１副補強部材
６３２：第２副補強部材
ｆ１：加熱膨張材
ｆ２：加熱膨張材
ｆ３：加熱膨張材
ｆ４：加熱膨張材

1: Frame 2: Door 3: Shoji 6: Door pouch 7: Winding opening 24: Starboard door frame 34: Starboard 34a: Smoke return piece 34b: Smoke return piece 61: Mounting bracket 62: Indoor side wall member 63: Outdoor wall reinforcing member 63a: smoke return piece 63b: hollow portion 63c: fixed portion 64: outdoor wall member 241: starboard door frame body 242: indoor side starboard door frame 243: outdoor starboard door frame 341: outdoor right竪框 342: indoor side starboard 621: inner member 622: outer member 622a: smoke return piece 631: first auxiliary reinforcing member 632: second auxiliary reinforcing member f1: heating expansion material f2: heating expansion material f3: heating expansion Material f4: Heat expansion material

Claims

Equipped with a door pocket and shoji,
The door pocket has an outdoor finding wall, an indoor finding wall, an expectation wall,
A fire prevention fitting in which a reinforcing member that covers the inner side surface of the one-side finding wall is disposed inside the one-side finding wall of the door pocket, and a heating expansion material is provided on the outer side surface of the reinforcing member.