JP2022076266A

JP2022076266A - Fixture

Info

Publication number: JP2022076266A
Application number: JP2020186605A
Authority: JP
Inventors: 伊知郎穴井; Ichiro Anai; 久夫大西; Hisao Onishi; 常徳草開; Tsunenori Kusakai
Original assignee: Sankyo Tateyama Inc
Current assignee: Sankyo Tateyama Inc
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2022-05-19
Anticipated expiration: 2040-11-09
Also published as: JP7414693B2

Abstract

To provide a fixture performing opening and locking of a sash by a lock member well and providing fireproof performance to a casement window.SOLUTION: A fixture comprises a frame body and a sash opened in the frame body and openably/closably supported, the sash has a lock part 92, the frame body has a lock receiver 8 receiving the lock part, the lock receiver has a lock receiver body 81 made of resin and a lock receiver reinforcement material 82 made of metal, the lock receiver body has a lock receiving part 81a into which the lock part is fitted, the lock receiver reinforcement material has a depth wall part 82a having an opening 82c from and to which the lock part leaves and enters and a stationary part 82b, the stationary part of the lock receiver reinforcement material is clamped between the frame body and the lock receiver body and the lock receiver body and the stationary part of the lock receiver reinforcement material are fastened and fixed to the frame body together.SELECTED DRAWING: Figure 4

Description

本発明は、建物開口部に配置される樹脂製の建具に関する。 The present invention relates to a resin fitting placed in a building opening.

従来、建物開口部に固定された枠体と、枠体に開き開閉自在に支持された障子を備える建具が知られている。 Conventionally, there are known fittings having a frame fixed to a building opening and a shoji sliding door that opens and is supported by the frame.

特開２０００－１５４６８５号公報Japanese Unexamined Patent Publication No. 2000-154685

上記特許文献１に記載されたサッシにおいては、ハンドルを回動してロック部材を窓枠の室内側面に係止して、障子の開き止めをしており、ロック部材の先端部分が露出していた。
本発明は、ロック部材による障子の開き止めを良好に行うとともに、開き窓に対して、防火性能を付与することを目的とする。 In the sash described in Patent Document 1, the handle is rotated to lock the lock member to the indoor side surface of the window frame to prevent the shoji from opening, and the tip portion of the lock member is exposed. rice field.
It is an object of the present invention to satisfactorily prevent the opening of the shoji by the lock member and to impart fire prevention performance to the casement window.

実施形態の建具は、枠体と、枠体に開き開閉自在に支持された障子を備え、障子は、ロック部を有しており、枠体は、ロック部を受けるロック受を有しており、ロック受は、樹脂製のロック受本体と、金属製のロック受補強材を有し、ロック受本体は、ロック部が嵌り込むロック受部を有しており、ロック受補強材は、ロック部が出入りする開口部を有する見込壁部と固定部を有しており、ロック受補強材の固定部は、枠体とロック受本体の間に挟持されて、ロック受本体とロック受補強材の固定部が枠体に共締め固定されている建具である。 The fitting of the embodiment includes a frame body and an obstacle that can be opened and closed and supported by the frame body. The obstacle has a lock portion, and the frame body has a lock receiver for receiving the lock portion. The lock receiver has a resin lock receiver body and a metal lock receiver reinforcement, the lock receiver body has a lock receiver into which the lock portion fits, and the lock receiver reinforcement is a lock. It has a prospective wall part with an opening for entering and exiting the part and a fixing part, and the fixing part of the lock receiving reinforcement material is sandwiched between the frame body and the lock receiving body, and the lock receiving body and the lock receiving reinforcing material are sandwiched between the frame body and the lock receiving body. It is a fitting in which the fixed part of is fastened and fixed to the frame.

実施形態の建具によれば、ロック部材による障子の開き止めを良好に行うとともに、開き窓に対して、防火性能を付与することができる。 According to the fitting of the embodiment, it is possible to satisfactorily prevent the opening of the shoji by the lock member and to impart fire prevention performance to the casement window.

一実施形態に係る建具の竪断面図である。It is a vertical sectional view of the fitting which concerns on one Embodiment. 一実施形態に係る建具の横断面図である。It is sectional drawing of the fitting which concerns on one Embodiment. （ａ）（ｂ）は、一実施形態に係る建具の吊元側である右竪枠及び右竪框部分の横断面図である。(A) and (b) are cross-sectional views of the right vertical frame and the right vertical frame portion on the hanging side of the fitting according to the embodiment. （ａ）は、一実施形態に係る建具の戸先側である左竪枠及び左竪框部分の横断面図であり、（ｂ）は、ロック受の分解斜視図であり、（ｃ）はロック受の取付け図である。(A) is a cross-sectional view of the left vertical frame and the left vertical frame portion on the door end side of the fitting according to the embodiment, (b) is an exploded perspective view of the lock receiver, and (c) is an exploded perspective view. It is a mounting figure of a lock receiver. 他の実施形態に係る建具の図であり、（ａ）は全体の竪断面図であり、（ｂ）は竪枠の上方部分を内周側から見た図である。It is a figure of the fitting which concerns on other embodiment, (a) is the whole vertical sectional view, (b) is the figure which looked at the upper part of the vertical frame from the inner peripheral side. 他の実施形態に係る建具の横断面図である。It is sectional drawing of the fitting which concerns on other embodiment. 他の実施形態に係る建具の右竪枠及び右竪框部分の横断面図であり、（ａ）は、右竪框の横断面図であり、（ｂ）は、右竪枠の横断面図であり、（ｃ）は、障子が閉鎖状態の横断面図である。It is a cross-sectional view of the right vertical frame and the right stile portion of the fitting which concerns on another embodiment, (a) is the cross-sectional view of the right stile, and (b) is the cross-sectional view of the right vertical frame. (C) is a cross-sectional view of the shoji in a closed state.

－開き窓－
一実施形態の建具について、建物開口部の内周に固定される枠体の内周に框材を四周に組んでなる障子を開き自在に支持して形成される開き窓の例を用いて、図面を参考にして説明する。 -Casement window-
For the fittings of one embodiment, using an example of a casement window formed by freely supporting a shoji made by assembling a stile material around four circumferences on the inner circumference of a frame fixed to the inner circumference of a building opening. This will be explained with reference to the drawings.

（全体の構成）
本実施形態の開き窓は、樹脂材料よりなる上枠１１、下枠１２及び左、右竪枠１３，１４を四周に組んでなる枠体１の内周に、樹脂材料よりなる上框２１、下框２２及び左、右竪框２３，２４を四周に組んで内周にパネル体２５を嵌め込んでなる障子２が開き自在に支持されている。 (Overall composition)
The casement window of the present embodiment has an upper frame 11 made of a resin material, a lower frame 12 and an upper frame 21 made of a resin material on the inner circumference of a frame body 1 in which left and right vertical frames 13 and 14 are assembled in four circumferences. The shoji 2 formed by assembling the lower stile 22 and the left and right stiles 23 and 24 into four circumferences and fitting the panel body 25 into the inner circumference is freely supported.

（枠体）
枠体１を構成する上枠１１は、図１に示すように、建物開口部の内周面に固定される上枠本体１１１と、上枠本体１１１の室外側内周面に取付けられ中空部を有する室外側壁１１２を有している。
上枠本体１１１は、略矩形状の中空部１１１ａを有し、中空部１１１ａの室外側に室外側壁１１２を取り付ける取付部１１１ｂを有している。 (Frame body)
As shown in FIG. 1, the upper frame 11 constituting the frame body 1 has an upper frame main body 111 fixed to the inner peripheral surface of the building opening and a hollow portion attached to the outdoor inner peripheral surface of the upper frame main body 111. Has an outdoor wall 112 with.
The upper frame main body 111 has a substantially rectangular hollow portion 111a, and has a mounting portion 111b for attaching the outdoor wall 112 to the outdoor side of the hollow portion 111a.

上枠１１は、中空部１１１ａの内部にスチール等の金属材料からなる断面矩形中空形状の上枠補強材１１３が配置されているとともに、上枠１１の内周面から室外側壁１１２の室内側面に沿って見込壁及び室外側見付壁を有する断面略Ｌ字状の外れ防止補強材１１４が配置されている。 In the upper frame 11, an upper frame reinforcing material 113 having a rectangular hollow cross section made of a metal material such as steel is arranged inside the hollow portion 111a, and from the inner peripheral surface of the upper frame 11 to the indoor side surface of the outdoor wall 112. Along the line, a detachment prevention reinforcing material 114 having a substantially L-shaped cross section having a prospect wall and an outdoor side finding wall is arranged.

外れ防止補強材１１４は、室外側見付壁の室内側面及び見込壁の内周面に火災時の加熱により膨張する加熱膨張材ｆ，ｆが配置されており、上枠１１の室外側壁１１２の室内側下端には障子２の上框２１に当接する気密材ｓ１３が設けられている。
なお、上枠１１の外周面と建物開口部の内周面の間、及び外れ防止補強材１１４の外周側面と上枠１１の内周面の間に加熱膨張材ｆを設けてもよく、火災時に発泡して上枠１１が溶融した際に生じる隙間を埋めることで防火性能を向上させる。 The disengagement prevention reinforcing material 114 is provided with heat-expanding materials f and f that expand due to heating during a fire on the indoor side surface of the outdoor side finding wall and the inner peripheral surface of the prospective wall. An airtight material s13 that comes into contact with the upper stile 21 of the shoji 2 is provided at the lower end on the indoor side.
A heat expansion material f may be provided between the outer peripheral surface of the upper frame 11 and the inner peripheral surface of the building opening, and between the outer peripheral side surface of the detachment prevention reinforcing material 114 and the inner peripheral surface of the upper frame 11. The fire prevention performance is improved by filling the gap generated when the upper frame 11 is sometimes foamed and melted.

枠体１を構成する下枠１２は、図１に示すように、建物開口部の内周面に固定される下枠本体１２１と、下枠本体１２１の室外側内周面に取付けられる中空部を有する室外側壁１２２を有している。
下枠本体１２１は、略矩形状の中空部１２１ａを有し、中空部１２１ａの室外側に室外側壁１２２を取り付ける取付部１２１ｂを有している。 As shown in FIG. 1, the lower frame 12 constituting the frame 1 has a lower frame main body 121 fixed to the inner peripheral surface of the building opening and a hollow portion attached to the outdoor inner peripheral surface of the lower frame main body 121. Has an outdoor wall 122 with.
The lower frame main body 121 has a substantially rectangular hollow portion 121a, and has a mounting portion 121b for attaching the outdoor wall 122 to the outdoor side of the hollow portion 121a.

下枠１２は、中空部１２１ａの内部にスチール等の金属材料からなる断面矩形中空形状の下枠補強材１２３が配置されているとともに、下枠１２の内周面から室外側壁１２２の室内側面に沿って見込壁及び室外側見付壁を有する断面略Ｌ字状の外れ防止補強材１２４が配置されている。 In the lower frame 12, a lower frame reinforcing material 123 having a rectangular hollow cross section made of a metal material such as steel is arranged inside the hollow portion 121a, and from the inner peripheral surface of the lower frame 12 to the indoor side surface of the outdoor wall 122. Along the line, a detachment prevention reinforcing material 124 having a substantially L-shaped cross section having a prospect wall and an outdoor side finding wall is arranged.

外れ防止補強材１２４は、室外側見付壁の室内側面及び見込壁の内周面に火災時の加熱により膨張する加熱膨張材ｆ，ｆが配置されており、下枠１２の室外側壁１２２の室内側上端には障子２の下框２２に当接する気密材ｓ２３が設けられている。
なお、上枠１１と同様に、下枠１２の外周面と建物開口部の内周面の間、及び外れ防止補強材１２４の外周側面と下枠１２の内周面の間に加熱膨張材ｆを設けてもよい。 In the disengagement prevention reinforcing material 124, heat-expanding materials f and f that expand due to heating in the event of a fire are arranged on the indoor side surface of the outdoor side finding wall and the inner peripheral surface of the prospective wall. An airtight material s23 that comes into contact with the lower stile 22 of the shoji 2 is provided at the upper end on the indoor side.
Similar to the upper frame 11, the heat expansion material f is between the outer peripheral surface of the lower frame 12 and the inner peripheral surface of the building opening, and between the outer peripheral side surface of the detachment prevention reinforcing material 124 and the inner peripheral surface of the lower frame 12. May be provided.

枠体１を構成する左、右竪枠１３，１４は、図２に示すように、ほぼ同様の構成を有しているので、ここでは、本実施形態の建具の竪枠について、主に吊元側竪枠である右竪枠１４を用いて説明し、戸先側竪枠である左竪枠１３については、右竪枠１４と異なる部分について説明する。
なお、図２には、左竪枠１３に関して、右竪枠１４と同様に主な符号を付与しておく。 As shown in FIG. 2, the left and right vertical frames 13 and 14 constituting the frame body 1 have substantially the same configuration. Therefore, here, the vertical frames of the fittings of the present embodiment are mainly suspended. The right vertical frame 14 which is the original side vertical frame will be described, and the left vertical frame 13 which is the door end side vertical frame will be described as different from the right vertical frame 14.
Note that, in FIG. 2, the main reference numerals are given to the left vertical frame 13 in the same manner as in the right vertical frame 14.

枠体１を構成する右竪枠１４は、図２に示すように、建物開口部の内周面に固定される右竪枠本体１４１と、右竪枠本体１４１の室外側内周面に取付けられ中空部を有する室外側壁１４２を有している。
右竪枠本体１４１は、略矩形状の中空部１４１ａを有し、中空部１４１ａの室外側に室外側壁１４２を取り付ける取付部１４１ｂを有している。 As shown in FIG. 2, the right vertical frame 14 constituting the frame 1 is attached to the right vertical frame main body 141 fixed to the inner peripheral surface of the building opening and the outdoor inner peripheral surface of the right vertical frame main body 141. It has an outdoor wall 142 having a hollow portion.
The right vertical frame main body 141 has a substantially rectangular hollow portion 141a, and has a mounting portion 141b for attaching the outdoor wall 142 to the outdoor side of the hollow portion 141a.

右竪枠１４は、中空部１４１ａの内部にスチール等の金属材料からなる略Ｕ字状の竪枠補強材１４３が外周方向に開口するように配置されているとともに、右竪枠本体１４１の内周面から室外側壁１４２の室内側面に沿って見込壁及び室外側見付壁を有する断面略Ｌ字状の外れ防止補強材１４４が配置されており、竪枠補強材１４３と外れ防止補強材１４４とともにネジ等の固定手段ｂによって建物開口部の内周面に固定されている。 In the right vertical frame 14, a substantially U-shaped vertical frame reinforcing material 143 made of a metal material such as steel is arranged inside the hollow portion 141a so as to open in the outer peripheral direction, and inside the right vertical frame main body 141. A substantially L-shaped disengagement prevention reinforcing material 144 having a prospective wall and an outdoor side finding wall is arranged along the indoor side surface of the outdoor wall 142 from the peripheral surface, and the vertical frame reinforcing material 143 and the disengagement prevention reinforcing material 144 are arranged. At the same time, it is fixed to the inner peripheral surface of the building opening by a fixing means b such as a screw.

外れ防止補強材１４４は、室外側見付壁の室内側面に火災時の加熱により膨張する加熱膨張材ｆが配置されている。
なお、右竪枠１４の外周面と建物開口部の内周面の間、及び外れ防止補強材１４４の外周面と右竪枠１４の内周面の間に、加熱膨張材ｆを配置してもよい。 In the disengagement prevention reinforcing material 144, a heating expansion material f that expands due to heating in the event of a fire is arranged on the indoor side surface of the outdoor side finding wall.
The heat expansion material f is arranged between the outer peripheral surface of the right vertical frame 14 and the inner peripheral surface of the building opening, and between the outer peripheral surface of the detachment prevention reinforcing material 144 and the inner peripheral surface of the right vertical frame 14. May be good.

右竪枠１４は、室外側壁１４２の室内側の内周端に、障子２の右竪框２４の室外側に当接する弾性を有する気密材ｓ４１が設けられている。 The right vertical frame 14 is provided with an elastic airtight material s41 that abuts on the outdoor side of the right vertical frame 24 of the shoji 2 at the inner peripheral end of the outdoor side wall 142 on the indoor side.

吊元側竪枠である右竪枠１４は、図２，図３（ａ）に示すように、高さ方向で複数箇所にヒンジ部材７が配置されており、障子２を開閉自在に支持している。
ヒンジ部材７は、枠側部材７１が右竪枠１４の内周面に配置され、ビス等の固定手段によって右竪枠本体１４１の中空部１４１ａ内に配置された竪枠補強材１４３に固定されている。 As shown in FIGS. 2 and 3A, the right vertical frame 14, which is the hanging side vertical frame, has hinge members 7 arranged at a plurality of locations in the height direction to support the shoji 2 so as to be openable and closable. ing.
In the hinge member 7, the frame side member 71 is arranged on the inner peripheral surface of the right vertical frame 14, and is fixed to the vertical frame reinforcing material 143 arranged in the hollow portion 141a of the right vertical frame main body 141 by a fixing means such as a screw. ing.

また、右竪枠１４は、図３（ｂ）に示すように、内周面に外れ防止金具５の枠側部材５１が固定されている。枠側部材５１は、矩形ブロック形状の短尺部材であり、例えば右竪枠１４の長手方向（高さ）方向３箇所に設けられ、ビス等の固定手段によって竪枠補強材１４３に固定されている。なお、外れ防止金具５の枠側部材５１は、竪枠補強材１４３のみに固定されていてもよいが、さらに外れ防止補強材１４４に固定されていてもよい。 Further, as shown in FIG. 3B, the right vertical frame 14 has a frame-side member 51 of the detachment prevention metal fitting 5 fixed to the inner peripheral surface. The frame-side member 51 is a rectangular block-shaped short member, and is provided at three locations in the longitudinal direction (height) of the right vertical frame 14, and is fixed to the vertical frame reinforcing member 143 by fixing means such as screws. .. The frame-side member 51 of the detachment prevention metal fitting 5 may be fixed only to the vertical frame reinforcing member 143, but may be further fixed to the detachment prevention reinforcing member 144.

戸先側竪枠である左竪枠１３は、図２に示すように、左竪枠本体１３１の室内側面にロック受８が固定されている。
ロック受８は、樹脂材料からなり、内周に開口するロック受部８１ａを有している。 As shown in FIG. 2, in the left vertical frame 13 which is the door end side vertical frame, the lock receiver 8 is fixed to the indoor side surface of the left vertical frame main body 131.
The lock receiving portion 8 is made of a resin material and has a lock receiving portion 81a that opens to the inner circumference.

（障子）
障子２を構成する上框２１は、図１に示すように、複数の中空部２１１ａ，２１１ｂを有する上框本体部２１１と、上框本体部２１１の内周側に形成されるガラス間口部２１２を有しており、ガラス間口部２１２にグレイジングチャンネル等を介して単層ガラスからなるパネル体２５が保持されている。 (Shoji)
As shown in FIG. 1, the upper stile 21 constituting the shoji 2 has an upper stile main body 211 having a plurality of hollow portions 211a and 211b, and a glass frontage portion 212 formed on the inner peripheral side of the upper stile main body 211. The panel body 25 made of single-layer glass is held in the glass frontage portion 212 via a glazing channel or the like.

上框２１は、複数の中空部２１１ａ，２１１ｂのうち外周側（上側）に配置される中空部２１１ａの内部にスチール等の金属材料からなる略Ｕ字状の外周側框補強材２１３が外周側に向かって開口するように配置されており、外周側框補強材２１３の見付け面の内側に加熱膨張材ｆ，ｆが配置されている。 The upper stile 21 has a substantially U-shaped outer peripheral side stile reinforcing material 213 made of a metal material such as steel inside the hollow portion 211a arranged on the outer peripheral side (upper side) of the plurality of hollow portions 211a and 211b on the outer peripheral side. The heating expansion materials f and f are arranged inside the finding surface of the outer peripheral side stile reinforcing material 213.

また、上框２１は、複数の中空部２１１ａ，２１１ｂのうち内周側に配置される中空部２１１ｂの内部に複数の内周側補強材（外補強材２１４，中補強材２１５及び内補強材２１６）が配置されているとともに、ガラス間口部２１２の内部にガラス間口補強材２１７が配置されている。 Further, the upper stile 21 has a plurality of inner peripheral side reinforcing materials (outer reinforcing material 214, middle reinforcing material 215 and inner reinforcing material) inside the hollow portion 211b arranged on the inner peripheral side of the plurality of hollow portions 211a and 211b. 216) is arranged, and the glass frontage reinforcing material 217 is arranged inside the glass frontage portion 212.

複数の内周側補強材のうち、上方に位置する外補強材２１４は、上方に開口して上框２１のタッピングホールを囲むように配置され、中間に位置する中補強材２１５は、室内側に開口するように配置され、下方に位置する内補強材２１６は、下方に開口して上框２１のタッピングホールを囲むように配置されている。 Of the plurality of inner peripheral side reinforcing materials, the outer reinforcing material 214 located above is arranged so as to open upward and surround the tapping hole of the upper stile 21, and the middle reinforcing material 215 located in the middle is on the indoor side. The inner reinforcing member 216, which is arranged so as to open in the lower direction, is arranged so as to open downward and surround the tapping hole of the upper stile 21.

上框２１に配置された外周側框補強材２１３、内周側補強材２１４，２１５，２１６及びガラス間口補強材２１７は、ビス等の固定手段によって連結されており、適宜加熱膨張材ｆが配置されている。 The outer peripheral side stile reinforcing material 213, the inner peripheral side reinforcing material 214, 215, 216 and the glass frontage reinforcing material 217 arranged on the upper stile 21 are connected by fixing means such as screws, and the heating expansion material f is appropriately arranged. Has been done.

障子２を構成する下框２２は、図１に示すように、上框２１と同様の構成をしており、複数の中空部２２１ａ，２２１ｂを有する下框本体部２２１と、下框本体部２２１の内周側に形成されるガラス間口部２２２を有しており、ガラス間口部２２２にグレイジングチャンネル等を介して単層ガラスからなるパネル体２５が保持されている。 As shown in FIG. 1, the lower stile 22 constituting the shoji 2 has the same configuration as the upper stile 21, and has a lower stile main body 221 having a plurality of hollow portions 221a and 221b and a lower stile main body 221. It has a glass frontage portion 222 formed on the inner peripheral side of the glass frontage portion 222, and a panel body 25 made of single-layer glass is held in the glass frontage portion 222 via a glazing channel or the like.

下框２２は、複数の中空部２２１ａ，２２１ｂのうち外周側（下側）に配置される中空部２２１ａの内部にスチール等の金属材料からなる略Ｕ字状の外周側框補強材２２３が外周側に向かって開口するように配置されており、外周側框補強材２２３の見付け面の内側に加熱膨張材ｆ，ｆが配置されている。 The lower stile 22 has a substantially U-shaped outer stile reinforcing material 223 made of a metal material such as steel inside the hollow portion 221a arranged on the outer peripheral side (lower side) of the plurality of hollow portions 221a and 221b. It is arranged so as to open toward the side, and the heat expansion materials f and f are arranged inside the finding surface of the outer peripheral side stile reinforcing material 223.

また、下框２２は、複数の中空部２２１ａ，２２１ｂのうち内周側に配置される中空部２２１ｂの内部に複数の内周側補強材（外補強材２２４，中補強材２２５及び内補強材２２６）が配置されているとともに、ガラス間口部２２２の内部にガラス間口補強材２２７が配置されている。 Further, the lower stile 22 has a plurality of inner peripheral side reinforcing materials (outer reinforcing material 224, middle reinforcing material 225 and inner reinforcing material) inside the hollow portion 221b arranged on the inner peripheral side of the plurality of hollow portions 221a and 221b. 226) is arranged, and the glass frontage reinforcing material 227 is arranged inside the glass frontage portion 222.

複数の内周側補強材のうち、下方に位置する外補強材２２４は、下方に開口して下框２２のタッピングホールを囲むように配置され、中間に位置する中補強材２２５は、室内側に開口するように配置され、上方に位置する内補強材２２６は、上方に開口して下框２２のタッピングホールを囲むように配置されている。 Of the plurality of inner peripheral side reinforcing materials, the outer reinforcing material 224 located below is arranged so as to open downward and surround the tapping hole of the lower stile 22, and the middle reinforcing material 225 located in the middle is on the indoor side. The inner reinforcing member 226 located above the inner reinforcing member 226 is arranged so as to open upward and surround the tapping hole of the lower stile 22.

下框２２に配置された外周側框補強材２２３、内周側補強材２２４，２２５，２２６及びガラス間口補強材２２７は、ビス等の固定手段によって連結されており、適宜加熱膨張材ｆが配置されている。 The outer peripheral side stile reinforcing material 223, the inner peripheral side reinforcing material 224, 225, 226 and the glass frontage reinforcing material 227 arranged on the lower stile 22 are connected by fixing means such as screws, and the heating expansion material f is appropriately arranged. Has been done.

障子２を構成する左、右竪框２３，２４は、図２に示すようにほぼ同様の構成を有しているので、ここでは、本実施形態の開き窓の竪框について、主に右竪框２４を用いて説明し、左竪框２３については、右竪框２４と異なる部分について説明する。
なお、図２には、左竪框２３に関して、右竪框２４と同様に主な符号を付与しておく。 Since the left and right stiles 23 and 24 constituting the shoji 2 have almost the same configuration as shown in FIG. 2, here, the casement window stile of the present embodiment is mainly the right stile. The explanation will be given using the stile 24, and the left stile 23 will be described as being different from the right stile 24.
Note that, in FIG. 2, the main reference numerals are given to the left stile 23 as in the case of the right stile 24.

障子２を構成する右竪框２４は、図２に示すように、中空部を有する右竪框本体部２４１と、右竪框本体部２４１の内周側に形成されるガラス間口部２４２を有しており、ガラス間口部２４２にグレイジングチャンネル等を介して単層ガラスからなるパネル体２５が保持されている。 As shown in FIG. 2, the right stile 24 constituting the shoji 2 has a right stile main body 241 having a hollow portion and a glass frontage portion 242 formed on the inner peripheral side of the right stile main body 241. A panel body 25 made of single-layer glass is held in the glass frontage portion 242 via a glazing channel or the like.

右竪框２４は、右竪框本体部２４１の中空部内にアルミ等の金属材料からなる矩形中空形状の竪框補強材２４３が配置されており、ガラス間口部２４２の内部にスチール等の金属材料からなるガラス間口補強材２４７が配置されている。
右竪框２４に配置された竪框補強材２４３及びガラス間口補強材２４７は、ビス等の固定手段によって連結されており、適宜加熱膨張材ｆが配置されている。 In the right stile 24, a rectangular hollow stile reinforcing material 243 made of a metal material such as aluminum is arranged in the hollow portion of the right stile main body 241 and a metal material such as steel is arranged inside the glass frontage portion 242. A glass frontage reinforcing material 247 made of the material is arranged.
The vertical frame reinforcing material 243 and the glass frontage reinforcing material 247 arranged on the right vertical frame 24 are connected by a fixing means such as a screw, and a heating expansion material f is appropriately arranged.

吊元側框である右竪框２４は、図２，図３（ａ）に示すように、障子２を開閉可能に支持するヒンジ部材７の框側部材７２が固定されている。
右竪框２４は、高さ方向の複数箇所において、外周側面にヒンジ部材７の框側部材７２がビス等によって固定されており、障子２は、右竪枠１４に固定されたヒンジ部材７のヒンジ軸７ａを中心に開閉自在に支持されている。 As shown in FIGS. 2 and 3A, the right vertical stile 24, which is the hanging side stile, is fixed to the stile side member 72 of the hinge member 7 that supports the shoji 2 so as to be openable and closable.
In the right stile 24, the stile side member 72 of the hinge member 7 is fixed to the outer peripheral side surface at a plurality of points in the height direction by screws or the like, and the shoji 2 is the hinge member 7 fixed to the right vertical frame 14. It is supported so as to be openable and closable around the hinge shaft 7a.

また、右竪框２４は、図３（ｂ）に示すように、外周面に外れ防止金具５の框側部材５２が固定されている。框側部材５２は、枠側部材５１と同様に矩形ブロック形状の短尺部材であり、右竪枠１４の内周面に配置された外れ防止金具５の枠側部材５１に対応するように配置され、竪框補強材２４３に固定されている。 Further, as shown in FIG. 3B, the right stile 24 has a stile-side member 52 of the detachment prevention metal fitting 5 fixed to the outer peripheral surface. The stile-side member 52 is a rectangular block-shaped short member similar to the frame-side member 51, and is arranged so as to correspond to the frame-side member 51 of the detachment prevention metal fitting 5 arranged on the inner peripheral surface of the right vertical frame 14. , It is fixed to the vertical stile reinforcing material 243.

戸先側框である左竪框２３は、図２に示すように、室内側面にハンドル９が設けられている。
ハンドル９は、樹脂材料からなり、使用者が握るハンドル部９１と左竪枠１３に設けられたロック受８のロック受部８１ａに嵌り込むロック部９２を有しており、ハンドル９の内部には金属材料からなる芯材９３が内蔵されている。 As shown in FIG. 2, the left stile 23, which is the stile on the door end side, is provided with a handle 9 on the side surface of the room.
The handle 9 is made of a resin material and has a handle portion 91 gripped by the user and a lock portion 92 that fits into the lock receiving portion 81a of the lock receiver 8 provided on the left vertical frame 13 and is inside the handle 9. Has a built-in core material 93 made of a metal material.

ハンドル９は、ハンドル軸９３ａを中心にして障子２の面内方向で回動可能に取り付けられており、ハンドル９を回動してロック部９２を左竪枠１３の室内側面に固定されたロック受８のロック受部８１ａに嵌合することで障子２を閉鎖状態に維持する。 The handle 9 is rotatably attached in the in-plane direction of the shoji 2 around the handle shaft 93a, and the lock portion 92 is fixed to the indoor side surface of the left vertical frame 13 by rotating the handle 9. The shoji 2 is maintained in a closed state by fitting into the lock receiving portion 81a of the receiving 8.

以上のように、本実施形態の開き窓は、吊元側の右竪枠１４と右竪框２４との間に防火性能を備えた外れ防止金具５を配置することで、火災時の熱によって樹脂材料からなる部分が溶融しても外れ防止金具５によって障子２が外れることを抑制することができる。
そして、本実施形態の開き窓は、ロック受８に防火性能をもたせることで、さらに防火性能を向上させている。
以下、防火性能を付与したロック受８について、説明する。 As described above, in the casement window of the present embodiment, by arranging the detachment prevention metal fitting 5 having fire prevention performance between the right vertical frame 14 and the right vertical stile 24 on the hanging side, the heat at the time of fire causes. Even if the portion made of the resin material is melted, it is possible to prevent the shoji 2 from coming off by the detachment prevention metal fitting 5.
The casement window of the present embodiment further improves the fire prevention performance by giving the lock receiver 8 a fire prevention performance.
Hereinafter, the lock receiver 8 to which the fireproof performance is provided will be described.

本実施形態の開き窓のロック受８は、図４（ｂ）に示すように、樹脂材料からなるロック受本体８１と、金属材料からなるロック受補強材８２を有している。
ロック受本体８１は、矩形ブロック形状をしており、左竪枠１３の室内側面に固定された状態で内周側となる面に凹状のロック受部８１ａが形成されており、同状態で室内側から室外側に向かって貫通する上下のビス孔８１ｂ，８１ｂを有している。 As shown in FIG. 4B, the lock receiver 8 of the casement window of the present embodiment has a lock receiver main body 81 made of a resin material and a lock receiver reinforcement 82 made of a metal material.
The lock receiving body 81 has a rectangular block shape, and a concave lock receiving portion 81a is formed on the inner peripheral side in a state of being fixed to the indoor side surface of the left vertical frame 13, and the chamber is in the same state. It has upper and lower screw holes 81b and 81b that penetrate from the inside toward the outdoor side.

ロック受補強材８２は、左竪枠１３に固定される固定部８２ｂと、ロック受本体８１のロック受部８１ａが形成される面に沿って配置される見込壁部８２ａを有しており、見込壁部８２ａにはロック受部８１ａにあわせて開口部８２ｃが形成されているとともに、固定部８２ｂにロック受本体８１のビス孔８１ｂ，８１ｂにあわせて複数のビス孔８２ｄが形成されている。 The lock receiving reinforcing material 82 has a fixing portion 82b fixed to the left vertical frame 13 and a prospective wall portion 82a arranged along the surface on which the lock receiving portion 81a of the lock receiving main body 81 is formed. An opening 82c is formed in the prospect wall portion 82a in accordance with the lock receiving portion 81a, and a plurality of screw holes 82d are formed in the fixing portion 82b in accordance with the screw holes 81b and 81b of the lock receiving main body 81. ..

そして、ロック受補強材８２は、図４（ｃ）に示すように、左竪枠１３の室内側面とロック受本体８１との間にロック受補強材８２の固定部８２ｂを挟んだ状態で、ロック受本体８１とロック受補強材８２がビス孔８１ｂから挿通されたビスｂ，ｂによって左竪枠１３及び竪枠補強材１３３に共締め固定されている。 Then, as shown in FIG. 4C, the lock receiving reinforcing material 82 has a fixed portion 82b of the lock receiving reinforcing material 82 sandwiched between the indoor side surface of the left vertical frame 13 and the lock receiving main body 81. The lock receiving body 81 and the lock receiving reinforcing material 82 are fastened and fixed together to the left vertical frame 13 and the vertical frame reinforcing material 133 by the screws b and b inserted through the screw holes 81b.

左竪枠１３の室内側面に固定されたロック受８は、ロック受部８１ａの内周側に金属材料からなるロック受補強材８２が配置されており、ロック受補強材８２は左竪枠１３の中空部１３１ａに配置されている竪枠補強材１３３に連結されているので、図４（ａ）に示す障子２の閉鎖状態で火災が発生して樹脂材料からなるロック受本体８１が溶融しても、ハンドル９のロック部９２もしくは芯材９３がロック受補強材８２の開口部８２ｃに嵌合されて、障子２の脱落を抑制することができる。 The lock receiver 8 fixed to the indoor side surface of the left vertical frame 13 has a lock receiver reinforcement 82 made of a metal material arranged on the inner peripheral side of the lock receiver 81a, and the lock receiver reinforcement 82 is the left vertical frame 13. Since it is connected to the vertical frame reinforcing material 133 arranged in the hollow portion 131a of the above, a fire occurs in the closed state of the shoji 2 shown in FIG. 4A, and the lock receiving body 81 made of a resin material melts. However, the lock portion 92 or the core material 93 of the handle 9 is fitted into the opening 82c of the lock receiving reinforcing material 82, and the shoji 2 can be prevented from falling off.

なお、ロック受本体８１のロック受部８１ａは、内周側開口から奥に進むにしたがって狭くなるようにテーパーを設けることで障子２を引き寄せることができる。
また、通常時にハンドル９を回動させてのロック部９２をロック受部８１ａ内に挿入するときに、ロック部９２がロック受補強材８２の開口部８２ｃの縁に当たらないように開口部８２ｃを形成することで、摩擦の増加やハンドル９の傷付きを抑制でき、スムーズな閉鎖操作を行うことができる。 The lock receiving portion 81a of the lock receiving main body 81 can be attracted to the shoji 2 by providing a taper so that the lock receiving portion 81a becomes narrower from the inner peripheral side opening toward the back.
Further, when the lock portion 92 is inserted into the lock receiving portion 81a by rotating the handle 9 in normal times, the opening 82c is prevented so that the lock portion 92 does not hit the edge of the opening 82c of the lock receiving reinforcing material 82. By forming the above, it is possible to suppress an increase in friction and damage to the handle 9, and a smooth closing operation can be performed.

－本実施形態の建具の効果－
以上のように、本実施形態の開き窓は、戸先側の左竪枠１３に設けたロック受８に金属材料からなるロック受補強材８２を設けて（左）竪枠１３の中空部内に配置された金属材料からなる竪枠補強材１３３に固定しているので、火災時の熱によって戸先側の枠材もしくは框材が溶融しても、ロック受補強材８２及びハンドル９の芯材９３の嵌合によって竪枠と竪框との係合が維持され、障子の外れを抑制することができる。 -Effect of fittings of this embodiment-
As described above, in the casement window of the present embodiment, the lock receiving reinforcing material 82 made of a metal material is provided on the lock receiving 8 provided on the left vertical frame 13 on the door end side (left) in the hollow portion of the vertical frame 13. Since it is fixed to the vertically frame reinforcing material 133 made of the arranged metal material, even if the frame material or the frame material on the door end side is melted by the heat at the time of fire, the core material of the lock receiving reinforcing material 82 and the handle 9 By fitting the 93, the engagement between the vertical frame and the vertical stile is maintained, and the disengagement of the shoji can be suppressed.

特に、戸先側におけるロック受８による障子２の落下防止と、吊元側における外れ防止金具５による障子２の落下防止を合わせて採用することで、開き戸における障子の落下をさらに抑制することができる。 In particular, by adopting both the fall prevention of the shoji 2 by the lock receiver 8 on the door end side and the fall prevention of the shoji 2 by the detachment prevention metal fitting 5 on the hanging side, it is possible to further suppress the fall of the shoji in the hinged door. can.

－ＦＩＸ窓－
他の実施形態の建具について、枠体の内周に框材を四周に組んでなる障子を取り付けて形成されるＦＩＸ窓の例を用いて、図面を参考にして説明する。 -FIX window-
The fittings of the other embodiments will be described with reference to the drawings by using an example of a FIX window formed by attaching a shoji made of a frame material to the inner circumference of a frame body on four circumferences.

（全体の構成）
本実施形態のＦＩＸ窓は、樹脂材料よりなる上枠１１、下枠１２及び左、右竪枠１３，１４を四周に組んでなる枠体１の内周に、樹脂材料よりなる上框２１、下框２２及び左、右竪框２３，２４を四周に組んで内周にパネル体２５を嵌め込んでなる障子２が支持されて形成されている。 (Overall composition)
In the FIX window of the present embodiment, the upper frame 11 made of a resin material, the lower frame 12 and the upper frame 21 made of a resin material are formed on the inner circumference of the frame body 1 in which the left and right vertical frames 13 and 14 are assembled in four circumferences. The shoji 2 formed by assembling the lower stile 22 and the left and right stiles 23 and 24 into four circumferences and fitting the panel body 25 into the inner circumference is supported and formed.

（枠体）
枠体１を構成する上枠１１は、図５（ａ）に示すように、建物開口部の内周面に固定される本体部１１ａと、本体部１１ａの屋内側から内周方向に延設された中空状の室内側壁１１ｂと、本体部１１ａの屋外側から内周方向に延設された中空状の室外側壁１１ｃを有しており、本体部１１ａの内周に、室内側壁１１ｂと室外側壁１１ｃによって保持溝１１ｄが形成されている。 (Frame body)
As shown in FIG. 5A, the upper frame 11 constituting the frame body 1 has a main body portion 11a fixed to the inner peripheral surface of the building opening and extends in the inner peripheral direction from the indoor side of the main body portion 11a. It has a hollow indoor side wall 11b and a hollow outdoor wall 11c extending in the inner peripheral direction from the outdoor side of the main body 11a, and has an indoor side wall 11b and an outdoor wall on the inner circumference of the main body 11a. The holding groove 11d is formed by the side wall 11c.

上枠１１は、保持溝１１ｄの内部にスチール等の金属材料からなる略Ｕ字状の上枠補強材１１３が下方に開口するように配置されており、上枠補強材１１３とともにネジ等の固定手段ｂによって建物開口部の内周面に固定されている。 The upper frame 11 is arranged so that a substantially U-shaped upper frame reinforcing material 113 made of a metal material such as steel opens downward inside the holding groove 11d, and is fixed with screws or the like together with the upper frame reinforcing material 113. It is fixed to the inner peripheral surface of the building opening by means b.

上枠補強材１１３は、見込み面及び見付け面の内側に火災時の加熱により膨張する加熱膨張材ｆが配置されている。
なお、上枠１１の外周面と建物開口部の内周面との間に、加熱膨張材ｆを配置してもよい。 In the upper frame reinforcing material 113, a heating and expanding material f that expands due to heating at the time of a fire is arranged inside the prospective surface and the finding surface.
The heat expansion material f may be arranged between the outer peripheral surface of the upper frame 11 and the inner peripheral surface of the building opening.

上枠１１は、保持溝１１ｄの入り口両端、すなわち室内側壁１１ｂの室外側の下端と室外側壁１１ｃの室内側の下端に、障子２の上框の挿入を許容しながら障子２の室内外側面に当接して障子２を保持、気密する気密材ｓ１１，ｓ１２が設けられている。
気密材ｓ１１，ｓ１２は、弾性を有しており、室内側壁１１ｂ及び室外側壁１１ｃの下端から水平に伸びて障子２の室内側面及び室外側面に当接もしくは近接する短い気密片と、室内側壁１１ｂ及び室外側壁１１ｃの下端から斜め上方に延びて障子２の室内側面及び室外側面に当接する気密片を備えており、２重の気密構造を構成している。 The upper frame 11 is provided on the indoor / outer surface of the shoji 2 while allowing the upper stile of the shoji 2 to be inserted into both ends of the entrance of the holding groove 11d, that is, the lower end of the outdoor side of the indoor side wall 11b and the lower end of the indoor side of the outdoor wall 11c. Airtight materials s11 and s12 that abut and hold the shoji 2 and are airtight are provided.
The airtight materials s11 and s12 have elasticity, and are short airtight pieces that extend horizontally from the lower ends of the indoor side wall 11b and the outdoor side wall 11c and come into contact with or approach the indoor side surface and the outdoor side surface of the shoji 2, and the indoor side wall 11b. It also has an airtight piece that extends diagonally upward from the lower end of the outdoor wall 11c and abuts on the indoor side surface and the outdoor side surface of the shoji 2, forming a double airtight structure.

枠体１を構成する下枠１２は、図５（ａ）に示すように、上枠１１と同様の構成をしており、建物開口部の内周面に固定される本体部１２ａと、本体部１２ａの屋内側から内周方向に延設された中空状の室内側壁１２ｂと、本体部１２ａの屋外側から内周方向に延設された中空状の室外側壁１２ｃを有しており、本体部１２ａの内周に、室内側壁１２ｂと室外側壁１２ｃによって保持溝１２ｄが形成されている。 As shown in FIG. 5A, the lower frame 12 constituting the frame 1 has the same configuration as the upper frame 11, and the main body 12a fixed to the inner peripheral surface of the building opening and the main body It has a hollow indoor side wall 12b extending inward from the indoor side of the main body 12a, and a hollow outdoor wall 12c extending inward from the outdoor side of the main body 12a. A holding groove 12d is formed on the inner circumference of the portion 12a by the indoor side wall 12b and the outdoor wall 12c.

下枠１２は、保持溝１２ｄの内部にスチール等の金属材料からなる略Ｕ字状の下枠補強材１２３が上方に開口するように配置されており、下枠補強材１２３とともにネジ等の固定手段ｂによって建物開口部の内周面に固定されている。 The lower frame 12 is arranged so that a substantially U-shaped lower frame reinforcing material 123 made of a metal material such as steel opens upward inside the holding groove 12d, and is fixed with screws or the like together with the lower frame reinforcing material 123. It is fixed to the inner peripheral surface of the building opening by means b.

また、下枠１２は、見付け（左右）方向両端部の近傍位置にスチール等の金属材料からなる略Ｕ字状の下がり防止部材１２５が下方に開口するように配置されており、室内側の見付壁の下端が下枠補強材１２３の見込み面に当接されているとともに、室外側の見付壁が下枠補強材１２３の室外側の見付壁に固定されている。 Further, the lower frame 12 is arranged so that a substantially U-shaped lowering prevention member 125 made of a metal material such as steel opens downward at positions near both ends in the finding (left and right) direction, so that the view on the indoor side can be seen. The lower end of the attached wall is in contact with the prospective surface of the lower frame reinforcing material 123, and the outdoor side finding wall is fixed to the outdoor side finding wall of the lower frame reinforcing material 123.

下枠補強材１２３は、見込み面及び見付け面の内側に火災時の加熱により膨張する加熱膨張材ｆが配置されている。
なお、下枠１２の外周面と建物開口部の内周面との間に、加熱膨張材ｆを配置してもよい。 In the lower frame reinforcing material 123, a heating and expanding material f that expands due to heating at the time of a fire is arranged inside the prospective surface and the finding surface.
The heat expansion material f may be arranged between the outer peripheral surface of the lower frame 12 and the inner peripheral surface of the building opening.

下枠１２は、保持溝１２ｄの入り口両端、すなわち室内側壁１２ｂの室外側の上端と室外側壁１２ｃの室内側の上端に、障子２の下框の挿入を許容しながら障子２の室内外側面に当接して障子２を保持、気密する気密材ｓ２１，ｓ２２が設けられている。
なお、気密材ｓ２１，ｓ２２は、弾性を有しており、室内側壁１２ｂ及び室外側壁１２ｃの上端から水平に伸びて障子２の室内側面及び室外側面に当接もしくは近接する短い気密片と、室内側壁１２ｂ及び室外側壁１２ｃの上端から斜め下方に延びて障子２の室内側面及び室外側面に当接する気密片を備えており、２重の気密構造を構成している。 The lower frame 12 is provided on the indoor / outer surface of the shoji 2 while allowing the lower stile of the shoji 2 to be inserted into both ends of the entrance of the holding groove 12d, that is, the upper end of the outdoor side of the indoor side wall 12b and the upper end of the indoor side of the outdoor wall 12c. Airtight materials s21 and s22 that abut and hold the shoji 2 and are airtight are provided.
The airtight materials s21 and s22 have elasticity, and are short airtight pieces that extend horizontally from the upper ends of the indoor side wall 12b and the outdoor wall 12c and come into contact with or approach the indoor side surface and the outdoor side surface of the shoji 2. It is provided with an airtight piece that extends diagonally downward from the upper ends of the side wall 12b and the outdoor wall 12c and abuts on the indoor side surface and the outdoor side surface of the shoji 2, forming a double airtight structure.

枠体１を構成する左、右竪枠１３，１４は、図６に示すように、ほぼ同様の構成を有しているので、ここでは、本実施形態の建具の竪枠について、主に右竪枠１４を用いて説明し、左竪枠１３については、右竪枠１４と異なる部分について説明する。
なお、図６には、左竪枠１３に関して、右竪枠１４と同様に主な符号を付与しておく。 As shown in FIG. 6, the left and right vertical frames 13 and 14 constituting the frame body 1 have substantially the same configuration. Therefore, here, the vertical frame of the fitting of the present embodiment is mainly right. The vertical frame 14 will be used for explanation, and the left vertical frame 13 will be described with respect to a portion different from the right vertical frame 14.
Note that, in FIG. 6, the main reference numerals are given to the left vertical frame 13 in the same manner as in the right vertical frame 14.

枠体１を構成する右竪枠１４は、図６に示すように、建物開口部の内周面に固定される右竪枠本体１４１と、右竪枠本体１４１の室外側内周面に取付けられた中空部を有する室外側壁１４２を有している。
右竪枠本体１４１は、略矩形状の中空部１４１ａを有し、中空部１４１ａの室外側に室外側壁１４２を取り付ける取付部１４１ｂを有している。 As shown in FIG. 6, the right vertical frame 14 constituting the frame 1 is attached to the right vertical frame main body 141 fixed to the inner peripheral surface of the building opening and the outdoor inner peripheral surface of the right vertical frame main body 141. It has an outdoor wall 142 having a hollow portion.
The right vertical frame main body 141 has a substantially rectangular hollow portion 141a, and has a mounting portion 141b for attaching the outdoor wall 142 to the outdoor side of the hollow portion 141a.

外れ防止補強材１４４は、室外側見付壁の室内側面に火災時の加熱により膨張する加熱膨張材ｆが配置されている。
右竪枠１４の内周面に、外れ防止金具５の枠側部材５１が固定されている。枠側部材５１は、図５（ｂ）、図６に示すように、矩形ブロック形状の短尺部材であり、例えば右竪枠１４の長手方向（高さ）方向３箇所に設けられている。
なお、右竪枠１４の外周面と建物開口部の内周面の間、及び外れ防止補強材１４４の外周面と右竪枠１４の内周面の間に、加熱膨張材ｆを配置してもよい。 In the disengagement prevention reinforcing material 144, a heating expansion material f that expands due to heating in the event of a fire is arranged on the indoor side surface of the outdoor side finding wall.
A frame-side member 51 of the detachment prevention metal fitting 5 is fixed to the inner peripheral surface of the right vertical frame 14. As shown in FIGS. 5B and 6, the frame-side member 51 is a rectangular block-shaped short member, and is provided at three locations in the longitudinal direction (height) of the right vertical frame 14, for example.
The heat expansion material f is arranged between the outer peripheral surface of the right vertical frame 14 and the inner peripheral surface of the building opening, and between the outer peripheral surface of the detachment prevention reinforcing material 144 and the inner peripheral surface of the right vertical frame 14. May be good.

（障子）
障子２を構成する上框２１及び下框２２は、図１、図５（ａ）からわかるように、開き窓の実施形態の障子２の上框２１及び下框２２と同様の構成を有しているので、ここでは説明を省略し、図５（ａ）に符号のみを記載する。 (Shoji)
As can be seen from FIGS. 1 and 5A, the upper stile 21 and the lower stile 22 constituting the shoji 2 have the same configuration as the upper stile 21 and the lower stile 22 of the shoji 2 of the embodiment of the casement window. Therefore, the description is omitted here, and only the reference numerals are shown in FIG. 5A.

障子２を構成する左、右竪框２３，２４は、図６に示すようにほぼ同様の構成を有しているので、ここでは、本実施形態のＦＩＸ窓の竪框について、主に右竪框２４を用いて説明し、左竪框２３については、右竪框２４と異なる部分について説明する。
なお、図２には、左竪框２３に関して、右竪框２４と同様に主な符号を付与しておく。 Since the left and right stiles 23 and 24 constituting the shoji 2 have almost the same configuration as shown in FIG. 6, here, the FIX window stile of the present embodiment is mainly the right stile. The explanation will be given using the stile 24, and the left stile 23 will be described as being different from the right stile 24.
Note that, in FIG. 2, the main reference numerals are given to the left stile 23 as in the case of the right stile 24.

障子２を構成する右竪框２４は、図６に示すように、中空部を有する右竪框本体部２４１と、右竪框本体部２４１の内周側に形成されるガラス間口部２４２を有しており、ガラス間口部２４２にグレイジングチャンネル等を介して単層ガラスからなるパネル体２５が保持されている。 As shown in FIG. 6, the right stile 24 constituting the shoji 2 has a right stile main body 241 having a hollow portion and a glass frontage portion 242 formed on the inner peripheral side of the right stile main body 241. A panel body 25 made of single-layer glass is held in the glass frontage portion 242 via a glazing channel or the like.

右竪框２４は、右竪框本体部２４１の中空部内にアルミ等の金属材料からなる矩形中空形状の竪框補強材２４３が配置されており、ガラス間口部２４２の内部にスチール等の金属材料からなるガラス間口補強材２４７が配置されている。
右竪框２４に配置された竪框補強材２４３及びガラス間口補強材２４７は、ビス等の固定手段ｂによって連結されており、適宜加熱膨張材ｆが配置されている。 In the right stile 24, a rectangular hollow stile reinforcing material 243 made of a metal material such as aluminum is arranged in the hollow portion of the right stile main body 241 and a metal material such as steel is arranged inside the glass frontage portion 242. A glass frontage reinforcing material 247 made of the material is arranged.
The vertical frame reinforcing material 243 and the glass frontage reinforcing material 247 arranged on the right vertical frame 24 are connected by a fixing means b such as a screw, and a heating expansion material f is appropriately arranged.

右竪框２４の外周面には、外れ防止金具５の框側部材５２が固定されている。框側部材５２は、枠側部材５１と同様に矩形ブロック形状の短尺部材であり、図５（ｂ），図６に示すように、右竪枠１４の内周面に配置された外れ防止金具５の枠側部材５１に対応するように、右竪框２４の長手方向（高さ）方向３箇所に設けられている。 A stile-side member 52 of the detachment prevention metal fitting 5 is fixed to the outer peripheral surface of the right stile 24. The stile-side member 52 is a rectangular block-shaped short member similar to the frame-side member 51, and as shown in FIGS. 5 (b) and 6, the detachment prevention metal fittings arranged on the inner peripheral surface of the right vertical frame 14 The right stile 24 is provided at three locations in the longitudinal direction (height) direction so as to correspond to the frame-side member 51 of 5.

障子２を枠体１に取り付けるに際しては、障子２の上框２１を上枠１１の保持溝１１ｄに対して奥まで挿入した後、障子２の下框２２を下枠１２の保持溝１２ｄに落とし込むことで、ケンドンによって取付けられ、下枠１２の保持溝１２ｄに落とし込まれた下框２２は下がり防止部材１２５の上に載置される。 When attaching the shoji 2 to the frame body 1, the upper frame 21 of the shoji 2 is inserted all the way into the holding groove 11d of the upper frame 11, and then the lower frame 22 of the shoji 2 is dropped into the holding groove 12d of the lower frame 12. As a result, the lower stile 22 attached by Kendon and dropped into the holding groove 12d of the lower frame 12 is placed on the lowering prevention member 125.

ケンドン時、障子２が上枠１１の保持溝１１ｄに挿入されて持ち上げられ、その後下枠１２の保持溝１２ｄに落とし込まれることで、右竪框２４の外周面に配置された外れ防止金具５の框側部材５２が右竪枠１４に配置された枠側部材５１の上方を通って室内側から室外側に移動し、図５（ｂ）に示すように、枠側部材５１の室外側に落し込まれる。 At the time of kendon, the shoji 2 is inserted into the holding groove 11d of the upper frame 11 and lifted, and then dropped into the holding groove 12d of the lower frame 12, so that the detachment prevention metal fitting 5 arranged on the outer peripheral surface of the right stile 24 The stile-side member 52 moves from the indoor side to the outdoor side by passing above the frame-side member 51 arranged in the right vertical frame 14, and as shown in FIG. 5 (b), to the outdoor side of the frame-side member 51. It is dropped.

右竪枠１４の内周面に配置された枠側部材５１と、枠側部材５１の室外側に落とし込まれた框側部材５２が見込み方向に見て重複することで、障子２の室内側への外れを防止している。
なお、枠側部材５１と框側部材５２は、見込み方向で一部重複していればよいが、框側部材５２が枠側部材５１よりも上方に位置している方が好ましい。
框側部材５２が枠側部材５１よりも上方に位置していることによって、火災時に障子が下降しても枠側部材５１と框側部材５２との重複を維持することができる。 The frame-side member 51 arranged on the inner peripheral surface of the right vertical frame 14 and the frame-side member 52 dropped on the outdoor side of the frame-side member 51 overlap each other when viewed in the prospective direction, so that the indoor side of the shoji 2 is used. It prevents it from coming off.
The frame-side member 51 and the stile-side member 52 may partially overlap each other in the prospective direction, but it is preferable that the stile-side member 52 is located above the frame-side member 51.
Since the stile-side member 52 is located above the frame-side member 51, the overlap between the frame-side member 51 and the stile-side member 52 can be maintained even if the shoji is lowered in the event of a fire.

枠体１に取り付けられた障子２は、下がり防止部材１２５の上に載置された状態で上下部分が枠体１の保持溝１１ｄ，１２ｄの入り口両端に配置された気密材ｓ１１，ｓ１２，ｓ２１，ｓ２２によってガタつきなく保持されるとともに、枠体１との間に隙間が生じないように気密される。 The shoji 2 attached to the frame 1 has airtight materials s11, s12, s21 whose upper and lower portions are arranged at both ends of the entrances of the holding grooves 11d and 12d of the frame 1 in a state of being placed on the lowering prevention member 125. , S22 is held without rattling, and is airtight so that no gap is formed between the frame and the frame 1.

以上、本実施形態のＦＩＸ窓の構成について説明したが、本実施形態のＦＩＸ窓は、竪枠と竪框との間に配置される外れ防止金具５に防火性能を持たせることで、火災時の熱によって樹脂材料からなる部分が溶融しても、外れ防止金具５によって障子２が外れることを抑制している。
以下、防火性能を付与した外れ防止金具５について、説明する。 The configuration of the FIX window of the present embodiment has been described above. However, in the FIX window of the present embodiment, the disengagement prevention metal fitting 5 arranged between the vertical frame and the vertical stile is provided with fire prevention performance in the event of a fire. Even if the portion made of the resin material is melted by the heat of the above, the disengagement prevention metal fitting 5 suppresses the disengagement 2 from being disengaged.
Hereinafter, the detachment prevention metal fitting 5 to which the fire prevention performance is imparted will be described.

外れ防止金具５の枠側部材５１が固定される右竪枠１４は、図７（ｂ）に示すように、右竪枠本体１４１の中空部１４１ａの内部に竪枠補強材１４３が配置されているともに、右竪枠本体１４１の内周面に見込壁１４４ａと室外側見付壁１４４ｂを有する断面略Ｌ字状の外れ防止補強材１４４が配置されている。
なお、外れ防止補強材１４４と右竪枠１４との間に加熱膨張材ｆが配置されていてもよい。 As shown in FIG. 7B, in the right vertical frame 14 to which the frame side member 51 of the detachment prevention metal fitting 5 is fixed, the vertical frame reinforcing material 143 is arranged inside the hollow portion 141a of the right vertical frame main body 141. At the same time, a detachment prevention reinforcing material 144 having a substantially L-shaped cross section having a prospect wall 144a and an outdoor side finding wall 144b is arranged on the inner peripheral surface of the right vertical frame main body 141.
The heat expansion material f may be arranged between the disengagement prevention reinforcing material 144 and the right vertical frame 14.

そして、外れ防止金具５の枠側部材５１は、長方形状の金属板５１ａを複数積層して形成されており、外れ防止補強材１４４の内周面に配置され、ビス等の固定手段ｂによって、外れ防止補強材１４４及び竪枠補強材１４３とともに右竪枠１４に対して共締め固定されている。 The frame-side member 51 of the detachment prevention metal fitting 5 is formed by laminating a plurality of rectangular metal plates 51a, is arranged on the inner peripheral surface of the detachment prevention reinforcing member 144, and is provided by a fixing means b such as a screw. Together with the detachment prevention reinforcing material 144 and the vertical frame reinforcing material 143, they are fastened together and fixed to the right vertical frame 14.

一方、外れ防止金具５の框側部材５２が固定される右竪框２４は、図７（ａ）に示すように、右竪框本体部２４１の中空部内に竪框補強材２４３が配置されており、ガラス間口部２４２の内部に配置されたガラス間口補強材２４７とネジ等の固定手段ｂによって連結されている。 On the other hand, in the right stile 24 to which the stile side member 52 of the detachment prevention metal fitting 5 is fixed, as shown in FIG. 7A, the stile reinforcing material 243 is arranged in the hollow portion of the right stile main body 241. It is connected to the glass frontage reinforcing material 247 arranged inside the glass frontage portion 242 by a fixing means b such as a screw.

そして、外れ防止金具５の框側部材５２は、長方形状の金属板５２ａを複数積層して形成されており、右竪框２４の外周面に配置され、ビス等の固定手段ｂによって、右竪框２４の竪框補強材２４３と連結固定されている。
なお、本実施形態の外れ防止金具５の枠側部材５１及び框側部材５２は、長方形状の金属板５１ａ，５２ａを複数積層して形成されているが、一つのブロックによって形成してもよい。 The stile-side member 52 of the detachment prevention metal fitting 5 is formed by laminating a plurality of rectangular metal plates 52a, is arranged on the outer peripheral surface of the right stile 24, and is arranged on the outer peripheral surface of the right stile 24. It is connected and fixed to the vertical stile reinforcing material 243 of the stile 24.
Although the frame-side member 51 and the frame-side member 52 of the detachment prevention metal fitting 5 of the present embodiment are formed by laminating a plurality of rectangular metal plates 51a and 52a, they may be formed by one block. ..

－本実施形態の建具の効果－
以上のように、本実施形態のＦＩＸ窓は、外れ防止金具５の枠側部材５１及び框側部材５２をともに、竪枠に配置された補強材及び竪框に配置された補強材に連結することによって、火災時に熱によって枠材もしくは框材が溶融しても、外れ防止金具５が補強材によって維持され、障子の外れを抑制することができる。 -Effect of fittings of this embodiment-
As described above, in the FIX window of the present embodiment, both the frame side member 51 and the frame side member 52 of the detachment prevention metal fitting 5 are connected to the reinforcing material arranged in the vertical frame and the reinforcing material arranged in the vertical frame. As a result, even if the frame material or the frame material is melted by heat in the event of a fire, the detachment prevention metal fitting 5 is maintained by the reinforcing material, and the detachment of the shoji can be suppressed.

特に、図７（ｂ）（ｃ）に示すように、枠側部材５１を（右）竪枠１４の内周面に配置される略Ｌ字状の外れ防止補強材１４４の見込壁１４４ａに配置して、外れ防止補強材１４４と共に竪枠補強材１４３に連結しているので、外れ防止補強材１４４の室外側見付壁１４４ｂと枠側部材５１とによって、框側部材５２が固定された右竪框２４を挟み込み、室内側及び室外側の両方向への外れを抑制することができる。
さらに、外れ防止補強材１４４の室外側見付壁１４４ｂに加熱膨張材ｆが配置されているので、火災時には、外れ防止金具５によって維持されている（右）竪枠１４と（右）竪框２４との間を閉塞し、室内外の連通を防止することができる。 In particular, as shown in FIGS. 7 (b) and 7 (c), the frame-side member 51 is arranged on the prospective wall 144a of the substantially L-shaped disengagement prevention reinforcing member 144 arranged on the inner peripheral surface of the (right) vertical frame 14. Then, since it is connected to the vertical frame reinforcing material 143 together with the disengagement prevention reinforcing material 144, the stile side member 52 is fixed to the right by the outdoor side finding wall 144b and the frame side member 51 of the disengagement prevention reinforcing material 144. By sandwiching the vertical stile 24, it is possible to suppress the detachment in both the indoor side and the outdoor side.
Further, since the heating expansion material f is arranged on the outdoor side finding wall 144b of the detachment prevention reinforcing material 144, the (right) vertical frame 14 and the (right) vertical frame maintained by the detachment prevention metal fittings 5 in the event of a fire. It is possible to block the space between the 24 and prevent communication between indoors and outdoors.

また、本実施形態の外れ防止金具５の枠側部材５１及び框側部材５２を複数の金属板５１ａ，５２ａを積層して形成することで、積層する金属板の枚数によって外れ防止金具５の厚みを変更することができ、寸法や開放方法等によって生じる障子と枠体との間隔の違いに対応することができる。 Further, by forming the frame side member 51 and the frame side member 52 of the detachment prevention metal fitting 5 of the present embodiment by laminating a plurality of metal plates 51a and 52a, the thickness of the detachment prevention metal fitting 5 depends on the number of the laminated metal plates. Can be changed, and it is possible to deal with the difference in the distance between the shoji and the frame caused by the dimensions, opening method, and the like.

以上の実施形態は，請求項に記載された発明を限定するものではなく，例示として取り扱われることは言うまでもない。 It goes without saying that the above embodiments do not limit the invention described in the claims and are treated as examples.

１３：左竪枠
１３１：左竪枠本体
１３１ａ：中空部
１３３：竪枠補強材
１４：右竪枠
１４１：右竪枠本体
１４１ａ：中空部
１４１ｂ：取付部
１４２：室外側壁
１４３：竪枠補強材
１４４：外れ防止補強材
１４４ａ：見込壁
１４４ｂ：室外側見付壁
２：障子
２３：左竪框
２４：右竪框
５：外れ防止金具
５１：枠側部材
５２：框側部材
８：ロック受
８１：ロック受本体
８１ａ：ロック受部
８２：ロック受補強材
８２ａ：見込壁部
８２ｂ：固定部
８２ｃ：開口部
９２：ロック部
２４１：右竪框本体部
２４３：竪框補強材

13: Left vertical frame 131: Left vertical frame main body 131a: Hollow part 133: Vertical frame reinforcing material 14: Right vertical frame 141: Right vertical frame main body 141a: Hollow part 141b: Mounting part 142: Outdoor wall 143: Vertical frame reinforcing material 144: Detachment prevention reinforcing material 144a: Expected wall 144b: Outdoor side finding wall 2: Shoji 23: Left stile 24: Right stile 5: Detachment prevention metal fittings 51: Frame side member 52: Frame side member 8: Lock receiver 81 : Lock receiving body 81a: Lock receiving part 82: Lock receiving reinforcing material 82a: Expected wall part 82b: Fixing part 82c: Opening portion 92: Lock part 241: Right stile main body 243: Vertical stile reinforcing material

Claims

Equipped with a frame and a shoji that can be opened and closed freely on the frame.
The shoji has a lock part and has a lock part.
The frame has a lock holder that receives the lock part.
The lock receiver has a resin lock receiver body and a metal lock receiver reinforcement.
The lock receiving body has a lock receiving part into which the lock part is fitted.
The lock receiving reinforcement has a prospective wall portion and a fixing portion having an opening through which the lock portion enters and exits.
The fixing part of the lock receiving reinforcement material is sandwiched between the frame body and the lock receiving body, and the fixing part of the lock receiving body and the lock receiving reinforcing material is fastened and fixed to the frame body together.