JP7223666B2 - Continuous window structure - Google Patents

Continuous window structure Download PDF

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JP7223666B2
JP7223666B2 JP2019160482A JP2019160482A JP7223666B2 JP 7223666 B2 JP7223666 B2 JP 7223666B2 JP 2019160482 A JP2019160482 A JP 2019160482A JP 2019160482 A JP2019160482 A JP 2019160482A JP 7223666 B2 JP7223666 B2 JP 7223666B2
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window
frame
outdoor
fixed
indoor
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JP2021038570A (en
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富広 山下
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Lixil Corp
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Description

特許法第30条第2項適用 令和1年7月6日に、ウェブサイトのアドレス (https://webcatalog.lixil.co.jp/iportal/CatalogDetail.do?method=initial_screen&catalogID=12321850000&volumeID=LXL13001&designID=newinter)で公開されたWEBカタログの134頁~141頁における140頁において“共通部材 防火戸連結材”を公開した。Application of Article 30, Paragraph 2 of the Patent Act On July 6, 2019, the website address (https://webcatalog.lixil.co.jp/iportal/CatalogDetail.do? "Common member fire door connecting material" was published on page 140 of pages 134 to 141 of the WEB catalog published in Newinter).

本発明は、連窓構造に関する。 The present invention relates to a continuous window structure.

従来、建物の開口部において、隣接する2つの窓部の間に、方立のような鋼材が配置された連窓構造が知られている。このような連窓構造においては、窓部それぞれの枠体と鋼材とが、この鋼材に固定された板状のアンカー(固定部材)を介して連結されている。連窓構造において、鋼材に固定された板状のアンカーを、窓部それぞれの枠体に溶接により固定する技術がある(例えば、特許文献1参照)。 2. Description of the Related Art Conventionally, a continuous window structure is known in which a steel material like a mullion is arranged between two adjacent windows in an opening of a building. In such a continuous window structure, the frame of each window and the steel material are connected via a plate-shaped anchor (fixing member) fixed to the steel material. BACKGROUND ART In a continuous window structure, there is a technique of fixing a plate-shaped anchor fixed to a steel material to a frame of each window by welding (for example, see Patent Document 1).

特開2018-184729号公報JP 2018-184729 A

上述の従来の連窓構造では、鋼材に固定された板状のアンカーを窓部それぞれの枠体に溶接により固定する。そのため、施工時において溶接する作業に手間を要することから、容易に施工できる連窓構造が求められている。 In the conventional continuous window structure described above, a plate-shaped anchor fixed to a steel material is fixed to the frame of each window by welding. Therefore, since welding work is time-consuming during construction, there is a demand for a continuous window structure that can be easily constructed.

本発明は、容易に施工することができる連窓構造を提供することを目的とする。 An object of the present invention is to provide a continuous window structure that can be easily constructed.

本発明は、建物の開口部に設けられる一方の窓部及び前記一方の窓部に隣接する他方の窓部の間に配置され、前記一方の窓部側の枠体と前記他方の窓部側の枠体とを連結する中空の鋼材を有する連窓構造であって、前記鋼材の屋内側に配置される接続部材と、前記接続部材の屋内側の見付面に配置される耐火ボードと、を備え、前記一方の窓部側の枠体は、隣接する前記他方の窓部側の枠体側に突出すると共に前記鋼材の屋外側の見付面にネジにより固定される一方側突出部を有し、前記他方の窓部側の枠体は、隣接する前記一方の窓部側の枠体側に突出すると共に前記鋼材の屋外側の見付面にネジにより固定される他方側突出部を有する連窓構造に関する。 The present invention is arranged between one window provided in an opening of a building and the other window adjacent to the one window, and a frame body on the one window side and a window on the other window side. a continuous window structure having a hollow steel material that connects a frame of a connecting member arranged on the indoor side of the steel material; a fireproof board arranged on the viewing surface of the connecting member on the indoor side; and the frame on the one window side has a one-side protruding part that protrudes toward the adjacent frame on the other window side and is fixed to the outdoor-side viewing surface of the steel material with a screw. The frame on the other window side projects toward the adjacent frame on the one window side and has a projecting portion on the other side that is fixed to the exterior facing surface of the steel material with screws. Regarding window structure.

一実施形態の連窓を屋内側から見た正面図である。It is the front view which looked at the continuous window of one Embodiment from the indoor side. 図1のA-A線断面図である。FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1; 図1のB-B線断面図である。FIG. 2 is a cross-sectional view taken along line BB of FIG. 1; 本実施形態の連窓構造の主な構成部材を示す分解斜視図である。It is an exploded perspective view showing the main constituent members of the continuous window structure of this embodiment. 外側化粧カバーの係合状態を示す横断面図である。FIG. 5 is a cross-sectional view showing an engaged state of the outer decorative cover; 外側化粧カバーの係合状態を示す縦断面図である。FIG. 4 is a vertical cross-sectional view showing an engagement state of the outer decorative cover; 外側化粧カバーを外した状態を示す斜視図である。FIG. 4 is a perspective view showing a state in which an outer decorative cover is removed; 外側化粧カバーの取付方法を示す図である。It is a figure which shows the attachment method of an outer side decorative cover. 連窓構造の施工方法を示す図であって、取付鋼材及び内側縦枠の突出板状部に第1外部部材をネジ固定する様子を示す図である。It is a figure which shows the construction method of continuous window structure, Comprising: It is a figure which shows a mode that the 1st external member is screw-fixed to the mounting steel material and the projecting plate-shaped part of an inner vertical frame. 連窓構造の施工方法を示す図であって、第1外部部材に第2外部部材をネジ固定する様子を示す図である。It is a figure which shows the construction method of continuous window structure, Comprising: It is a figure which shows a mode that the 2nd exterior member is screw-fixed to the 1st exterior member. 連窓構造の施工方法を示す図であって、外側化粧カバーを取り付ける様子を示す図である。It is a figure which shows the construction method of continuous window structure, Comprising: It is a figure which shows a mode that an outer side decoration cover is attached. 連窓構造の施工方法を示す図であって、取付金具の取付位置を調整する様子を示す図である。It is a figure which shows the construction method of continuous window structure, Comprising: It is a figure which shows a mode that the mounting position of a mounting bracket is adjusted. 連窓構造の施工方法を示す図であって、上下の取付金具をネジにより固定する様子を示す図である。It is a figure which shows the construction method of a continuous window structure, Comprising: It is a figure which shows a mode that the upper and lower mounting brackets are fixed with a screw. 連窓構造の施工方法を示す図であって、接続部材を、取付鋼材及び内側縦枠に固定する様子を示す図である。FIG. 10 is a view showing a method of constructing the continuous window structure, and showing how the connection member is fixed to the mounting steel material and the inner vertical frame.

以下、本発明の一実施形態について図面を参照して詳細に説明する。
図1は、一実施形態の連窓100を屋内側から見た正面図である。図2は、図1のA-A線断面図である。図3は、図1のB-B線断面図である。図4は、本実施形態の連窓構造の主な構成部材を示す分解斜視図である。図5Aは、外側化粧カバー5の係合状態を示す横断面図である。図5Bは、外側化粧カバー5の係合状態を示す縦断面図である。図6は、外側化粧カバー5を外した状態を示す斜視図である。図7は、外側化粧カバー5の取付方法を示す図である。
An embodiment of the present invention will be described in detail below with reference to the drawings.
FIG. 1 is a front view of a continuous window 100 of an embodiment viewed from the indoor side. FIG. 2 is a cross-sectional view taken along line AA of FIG. 3 is a cross-sectional view taken along line BB of FIG. 1. FIG. FIG. 4 is an exploded perspective view showing main constituent members of the continuous window structure of this embodiment. FIG. 5A is a cross-sectional view showing an engaged state of the outer decorative cover 5. FIG. FIG. 5B is a longitudinal sectional view showing the engaged state of the outer decorative cover 5. FIG. FIG. 6 is a perspective view showing a state in which the outer decorative cover 5 is removed. 7A and 7B are diagrams showing a method of attaching the outer decorative cover 5. FIG.

連窓構造は、連窓100及び連窓100が配置される建物の躯体1により構成される。
なお、本明細書において、見付方向とは、正面から見たときに前方に見える面の方向である上下左右方向を言い、見込方向とは、連窓100の屋内外方向、すなわち奥行方向を言う。また、見付面とは、連窓100を正面から見たときに前方に見える面を言い、見込面とは、連窓100を正面から見たときに奥行方向に見える面を言う。
The continuous window structure is composed of the continuous window 100 and the frame 1 of the building in which the continuous window 100 is arranged.
In this specification, the viewing direction refers to the vertical and horizontal directions that are the directions of the surface that can be seen in front when viewed from the front, and the viewing direction refers to the indoor/outdoor direction of the continuous window 100, that is, the depth direction. To tell. Further, the viewing surface refers to the surface seen forward when the continuous window 100 is viewed from the front, and the viewing surface refers to the surface viewed in the depth direction when the continuous window 100 is viewed from the front.

連窓100は、耐火設備が設けられた防火窓である。図1及び図2に示すように、連窓100は、方形状に四周を枠組みされた鉄骨により構成された建物の躯体1の開口部1aに配置される。
連窓100は、左右方向に互いに隣接して配置される2つの窓部20と、2つの窓部20の間に配置される取付鋼材10(鋼材)と、を有する。取付鋼材10は、上下方向に延びる。
The continuous window 100 is a fireproof window provided with fireproof equipment. As shown in FIGS. 1 and 2, the continuous window 100 is arranged in the opening 1a of the frame 1 of the building which is composed of a steel frame framed in a rectangular shape on all four sides.
The continuous window 100 has two windows 20 arranged adjacent to each other in the left-right direction, and a mounting steel material 10 (steel material) arranged between the two window parts 20 . The mounting steel member 10 extends vertically.

窓部20は、図1に示すように、それぞれが枠体2及びガラス25を有する。
枠体2は、上枠21、下枠22、外側縦枠23及び内側縦枠24が枠組みして形成される。枠体2は、内周側に向かって解放された略コの字型の枠材により構成される。上枠21、下枠22、外側縦枠23及び内側縦枠24のそれぞれは、屋内側及び屋外側の見付面及びこれらの見付面を接続する見込面を有する。
Each of the windows 20 has a frame 2 and a glass 25, as shown in FIG.
The frame body 2 is formed by framing an upper frame 21 , a lower frame 22 , an outer vertical frame 23 and an inner vertical frame 24 . The frame body 2 is composed of a substantially U-shaped frame member that is opened toward the inner peripheral side. Each of the upper frame 21, the lower frame 22, the outer vertical frame 23, and the inner vertical frame 24 has an indoor-side and outdoor-side viewing surface and a viewing surface connecting these viewing surfaces.

上枠21及び下枠22は、枠体2の上下でそれぞれが左右方向に延びるように配置される。
外側縦枠23及び内側縦枠24は、左右方向の外側で上枠21及び下枠22を接続するように上下方向に延びる。外側縦枠23は、連窓100の左右方向の外側に位置する。内側縦枠24は、隣接する相手側の窓部20に近い左右方向の内側に位置する。
上枠21、下枠22及び外側縦枠23及び内側縦枠24は、それぞれ、枠体2の見付方向の外側に延出する延出板20a(図2、図4、図6参照)を有する。上枠21、下枠22及び外側縦枠23及び内側縦枠24の延出板20aの屋内側の見付面20bは、略同一平面上に配置される。上枠21、下枠22及び外側縦枠23及び内側縦枠24は、延出板20aの屋外側の見付面20bが躯体1の屋外側の見付面1bに沿って配置された状態で、躯体1に固定される。
ガラス25は、枠体2の内周側に形成されるガラス保持溝に保持される。
The upper frame 21 and the lower frame 22 are arranged above and below the frame 2 so as to extend in the horizontal direction.
The outer vertical frame 23 and the inner vertical frame 24 extend vertically so as to connect the upper frame 21 and the lower frame 22 outside in the left-right direction. The outer vertical frame 23 is positioned outside the continuous window 100 in the horizontal direction. The inner vertical frame 24 is positioned inside in the left-right direction near the adjacent window portion 20 of the other side.
The upper frame 21, the lower frame 22, the outer vertical frame 23, and the inner vertical frame 24 each have an extension plate 20a (see FIGS. 2, 4, and 6) extending outward in the viewing direction of the frame 2. have. The indoor-side viewing surfaces 20b of the extension plates 20a of the upper frame 21, the lower frame 22, the outer vertical frame 23, and the inner vertical frame 24 are arranged substantially on the same plane. The upper frame 21, the lower frame 22, the outer vertical frame 23, and the inner vertical frame 24 are arranged in a state in which the outdoor-side viewing surface 20b of the extension plate 20a is arranged along the outdoor-side viewing surface 1b of the frame 1. , is fixed to the frame 1 .
The glass 25 is held in a glass holding groove formed on the inner peripheral side of the frame 2 .

図3に示すように、内側縦枠24は、見込方向に延びる見込壁部241と、見込壁部241の屋外側の端部に接続され左右方向に延びる屋外側見付壁部242と、見込壁部241の屋内側の端部に接続され左右方向に延びる屋内側見付壁部243と、突出板状部244(一方側突出部、他方側突出部)と、を有する。一方の窓部20側の枠体2の内側縦枠24の突出板状部244は、見込壁部241における見込方向の途中において、隣接する他方の窓部20側の枠体2側に突出する。他方の窓部20側の枠体2の内側縦枠24の突出板状部244は、見込壁部241における見込方向の途中において、隣接する一方の窓部20側の枠体2側に突出する。図2に示すように、内側縦枠24の突出板状部244は、前述のように、枠体2の上下方向(見付方向)の外側に延出する延出板20aを有する。内側縦枠24の延出板20aは、内側縦枠24の突出板状部244と同一の厚さで同一面上に、内側縦枠24の突出板状部244から上方向及び下方向に連続して延出する。つまり、内側縦枠24の突出板状部244の屋内側の見付面244aは、内側縦枠24の延出板20aの屋内側の見付面20bと略同一面上に配置される。 As shown in FIG. 3, the inner vertical frame 24 includes a projection wall portion 241 extending in the projection direction, an outdoor side projection wall portion 242 connected to the outdoor end of the projection wall portion 241 and extending in the horizontal direction, and a projection wall portion 242 extending in the horizontal direction. It has an indoor side wall portion 243 connected to the indoor side end portion of the wall portion 241 and extending in the left-right direction, and a protruding plate-like portion 244 (one side protruding portion, the other side protruding portion). The protruding plate-shaped portion 244 of the inner vertical frame 24 of the frame 2 on the one window 20 side protrudes toward the frame 2 on the other adjacent window 20 side in the middle of the viewing direction of the viewing wall 241. . The protruding plate-like portion 244 of the inner vertical frame 24 of the frame 2 on the other window portion 20 side protrudes toward the frame 2 on the adjacent window portion 20 side in the middle of the viewing direction of the viewing wall portion 241 . . As shown in FIG. 2, the protruding plate-like portion 244 of the inner vertical frame 24 has the extending plate 20a extending outward in the vertical direction (viewing direction) of the frame 2, as described above. The extending plate 20a of the inner vertical frame 24 has the same thickness as the protruding plate-shaped portion 244 of the inner vertical frame 24 and is on the same plane, and continues upward and downward from the protruding plate-shaped portion 244 of the inner vertical frame 24. and defer. That is, the indoor-side viewing surface 244a of the projecting plate-shaped portion 244 of the inner vertical frame 24 is arranged substantially on the same plane as the indoor-side viewing surface 20b of the extension plate 20a of the inner vertical frame 24 .

連窓100は、図3及び図4に示すように、取付鋼材10の屋外側に、第1外部部材3(第1部材)と、第2外部部材4(第2部材)と、外側化粧カバー5(カバー部材)と、止水材45と、を有する。連窓100は、取付鋼材10の屋内側に、接続部材6と、耐火ボード7と、受け金具8と、内側カバー部材9と、を有する。 As shown in FIGS. 3 and 4, the continuous window 100 includes a first external member 3 (first member), a second external member 4 (second member), and an outer decorative cover on the outdoor side of the mounting steel member 10. 5 (cover member) and a water stop material 45 . The continuous window 100 has a connection member 6 , a fireproof board 7 , a bracket 8 , and an inner cover member 9 on the indoor side of the mounting steel member 10 .

取付鋼材10は、図3に示すように、内部が中空で断面視長方形の金属製の角材である。本実施形態においては、取付鋼材10は、断面視コの字状のコ字状部11と、平面板部12と、を有し、コ字状部11及び平面板部12の2つの部材が溶接されることで構成されている。コ字状部11は、屋外側平面板部111と、屋外側平面板部111の幅方向の両端部から立ち上がる一対の側面板部112と、を有する。なお、取付鋼材10は、2つの部材で構成することに限定されず、押し出し成形等により1つの部材で構成してもよい。 As shown in FIG. 3, the mounting steel material 10 is a square metal material having a hollow interior and a rectangular cross section. In this embodiment, the mounting steel member 10 has a U-shaped portion 11 that is U-shaped in cross section and a flat plate portion 12, and the two members of the U-shaped portion 11 and the flat plate portion 12 are It is constructed by being welded. The U-shaped portion 11 has an outdoor flat plate portion 111 and a pair of side plate portions 112 rising from both ends of the outdoor flat plate portion 111 in the width direction. Note that the mounting steel material 10 is not limited to being composed of two members, and may be composed of one member by extrusion molding or the like.

取付鋼材10は、一方の窓部20及び他方の窓部20の間に配置される。より具体的には、取付鋼材10は、内側縦枠24同士の間に配置され、一方の内側縦枠24と他方の内側縦枠24とを連結する。詳細には、取付鋼材10の屋外側の見付面には、一方の窓部20側の枠体2の内側縦枠24の突出板状部244が、ネジ32aにより固定されると共に、他方の窓部20側の枠体2の内側縦枠24の突出板状部244が、ネジ24aにより固定される。これにより、取付鋼材10は、一方の窓部20側の枠体2の突出板状部244にネジ固定されると共に、他方の窓部20側の枠体2の突出板状部244にネジ固定される。 The mounting steel 10 is arranged between one window 20 and the other window 20 . More specifically, the mounting steel material 10 is arranged between the inner vertical frames 24 and connects one inner vertical frame 24 and the other inner vertical frame 24 . Specifically, on the exterior side of the mounting steel member 10, the protruding plate-like portion 244 of the inner vertical frame 24 of the frame 2 on the side of one window portion 20 is fixed by a screw 32a, and the other A protruding plate-like portion 244 of the inner vertical frame 24 of the frame 2 on the window portion 20 side is fixed by a screw 24a. As a result, the mounting steel member 10 is screw-fixed to the protruding plate-like portion 244 of the frame 2 on the one window portion 20 side, and is screw-fixed to the protruding plate-like portion 244 of the frame 2 on the other window portion 20 side. be done.

また、取付鋼材10の屋外側の見付面10aは、図2に示すように、建物の開口部1aを構成する躯体1における上下部材の屋外側の見付面1bと略同一面上に配置されている。ここで、図2に示すように、内側縦枠24の突出板状部244の屋内側の見付面244aと、内側縦枠24の延出板20aの屋内側の見付面20bとが略同一面上に配置される。また、図3に示すように、内側縦枠24の突出板状部244の屋内側の見付面244aには、取付鋼材10の屋外側の見付面10aが配置された状態で固定されており、図2に示すように、内側縦枠24の突出板状部244の延出板20aの見付面20bには、躯体1の屋外側の見付面1bが配置された状態で固定されている。
これにより、窓部20の枠体2の内側縦枠24の突出板状部244を、取付鋼材10の屋外側の見付面10aと躯体1の上下部材の屋外側の見付面1bとに沿って配置できる。よって、枠体2の内側縦枠24の突出板状部244を、取付鋼材10の屋外側の見付面10a及び躯体1の屋外側の見付面1bに沿って配置することで、通常の躯体の見込面に窓部の枠体を取り付ける場合と同様に、本実施形態の連窓100を躯体1に容易に取り付けることができる。
As shown in FIG. 2, the exterior surface 10a of the mounting steel member 10 is arranged substantially on the same plane as the exterior surface 1b of the upper and lower members of the building frame 1 that constitutes the opening 1a of the building. It is Here, as shown in FIG. 2, the indoor-side viewing surface 244a of the projecting plate-shaped portion 244 of the inner vertical frame 24 and the indoor-side viewing surface 20b of the extension plate 20a of the inner vertical frame 24 are approximately the same. Placed on the same plane. In addition, as shown in FIG. 3, the outdoor-side viewing surface 10a of the mounting steel member 10 is fixed to the indoor-side viewing surface 244a of the projecting plate-shaped portion 244 of the inner vertical frame 24 in a state of being arranged. As shown in FIG. 2, the exterior surface 1b of the frame 1 on the outdoor side is fixed to the exterior surface 20b of the extension plate 20a of the projecting plate-shaped portion 244 of the inner vertical frame 24. ing.
As a result, the protruding plate-like portion 244 of the inner vertical frame 24 of the frame 2 of the window portion 20 is aligned with the exterior surface 10a of the mounting steel member 10 and the exterior surface 1b of the upper and lower members of the frame 1. can be placed along Therefore, by arranging the protruding plate-shaped portion 244 of the inner vertical frame 24 of the frame 2 along the exterior surface 10a of the mounting steel 10 and the exterior surface 1b of the frame 1, the normal The continuous window 100 of the present embodiment can be easily attached to the building frame 1 in the same manner as when the window frame is attached to the projected surface of the building body.

取付鋼材10は、図2に示すように、ボルト16aにより取付金具15に締結されており、取付金具15をネジ151aにより建物の躯体1に固定することで建物の開口部1aに固定される。取付金具15は、図4に示すように、取付鋼材10の上端部及び下端部に、2つずつ設けられる。取付金具15は、水平に見付方向に延びる長方形状の躯体側取付板151と、躯体側取付板151の屋外側の左右方向の外側の端部から下方又は上方に延びる側面取付板152と、を有する。 As shown in FIG. 2, the mounting steel member 10 is fastened to the mounting bracket 15 with a bolt 16a, and is fixed to the opening 1a of the building by fixing the mounting bracket 15 to the building skeleton 1 with a screw 151a. As shown in FIG. 4, the mounting metal fittings 15 are provided two each at the upper end portion and the lower end portion of the mounting steel material 10 . The mounting bracket 15 includes a rectangular frame-side mounting plate 151 extending horizontally in the viewing direction, a side mounting plate 152 extending downward or upward from the outer left-right direction end of the frame-side mounting plate 151 on the outdoor side, have

躯体側取付板151は、躯体1の内側の面に、図2に示すように、ネジ151aにより固定される。側面取付板152は、取付鋼材10の左右の側面に設けられた上下方向に延びる長孔16を介してボルト16aにより固定される。取付金具15は、長孔16に挿入されたボルト16aを緩めることで、長孔16に沿って上下方向に移動可能に構成される。これにより、取付金具15の上下方向の位置を長孔16に挿入されたボルト16aにより調整することで、取付鋼材10の上下方向の取り付け位置を調整可能である。 The frame-side mounting plate 151 is fixed to the inner surface of the frame 1 with screws 151a, as shown in FIG. The side mounting plate 152 is fixed by bolts 16a through elongated holes 16 provided in the left and right side surfaces of the mounting steel member 10 and extending in the vertical direction. The mounting bracket 15 is configured to be vertically movable along the long hole 16 by loosening a bolt 16a inserted into the long hole 16. As shown in FIG. Accordingly, by adjusting the vertical position of the mounting bracket 15 with the bolt 16 a inserted into the long hole 16 , the vertical mounting position of the mounting steel material 10 can be adjusted.

第1外部部材3は、図3に示すように、突出板状部244の屋外側の見付面にネジ32aにより固定される。第1外部部材3は、断面視略方形状の中空部31と、屋内側見付方向延出部32と、屋外側見込方向突出部33と、を有する。
屋内側見付方向延出部32は、中空部31の屋内側の端部から見込方向の一方側に延出する。屋内側見付方向延出部32、一方の枠体2の内側縦枠24の突出板状部244、及び、取付鋼材10の屋外側平面板部111は、ネジ32aにより共締めされて固定される。
屋外側見込方向突出部33は、中空部31の屋外側の他方側の端部から見付方向の屋外側に突出する。
As shown in FIG. 3, the first external member 3 is fixed to the exterior side of the protruding plate portion 244 by screws 32a. The first external member 3 has a substantially rectangular hollow portion 31 in a cross-sectional view, an indoor viewing direction extension portion 32 , and an outdoor viewing direction protrusion portion 33 .
The indoor-side viewing direction extension portion 32 extends from the indoor-side end portion of the hollow portion 31 to one side in the viewing direction. The indoor side viewing direction extending portion 32, the projecting plate portion 244 of the inner vertical frame 24 of one frame 2, and the outdoor side flat plate portion 111 of the mounting steel member 10 are fastened together and fixed by screws 32a. be.
The outdoor-side projection direction projecting portion 33 projects from the other outdoor-side end portion of the hollow portion 31 to the outdoor side in the viewing direction.

第2外部部材4は、図3に示すように、第1外部部材3の屋外側を覆うように第1外部部材3の屋外側に配置され、第1外部部材3の中空部31の屋外側見付面311にネジ41aにより固定される。第2外部部材4は、第1外部部材3の屋外側を覆うように、見込方向において第1外部部材3の少なくとも一部が重なる位置に配置される。第2外部部材4は、屋外側被覆部41と、屋外側被覆部41の屋内側の面から屋内側に延出する一方側延出部42及び他方側延出部43と、を有する。 The second external member 4 is arranged on the outdoor side of the first external member 3 so as to cover the outdoor side of the first external member 3, as shown in FIG. It is fixed to the viewing surface 311 by screws 41a. The 2nd exterior member 4 is arranged in the position where at least one copy of the 1st exterior member 3 overlaps in the prospective direction so that the outdoor side of the 1st exterior member 3 may be covered. The second external member 4 has an outdoor-side covering portion 41 and a one-side extending portion 42 and another-side extending portion 43 that extend from the indoor-side surface of the outdoor-side covering portion 41 toward the indoor side.

屋外側被覆部41は、図4に示すように、左右方向に所定幅を有すると共に上下方向に延びることで、第1外部部材3の屋外側を被覆している。屋外側被覆部41は、図3に示すように、見付方向に延びる固定板状部411と、固定板状部411の左右方向の両側に形成される一対のL字状段差部412と、を有する。 As shown in FIG. 4 , the outdoor side covering portion 41 covers the outdoor side of the first external member 3 by having a predetermined width in the horizontal direction and extending in the vertical direction. As shown in FIG. 3, the outdoor side covering portion 41 includes a fixed plate-shaped portion 411 extending in the viewing direction, a pair of L-shaped stepped portions 412 formed on both sides of the fixed plate-shaped portion 411 in the left-right direction, have

固定板状部411は、見込方向の左右方向に幅を有すると共に上下方向に延びる平面状の板状に形成され、第1外部部材3の中空部31の屋外側見付面311に沿って延びる。固定板状部411は、第1外部部材3の中空部31の屋外側見付面311に、屋外側からネジ41aにより締結される。 The fixed plate-like portion 411 is formed in a planar plate-like shape having a width in the lateral direction of the projection direction and extending in the vertical direction, and extends along the outdoor side viewing surface 311 of the hollow portion 31 of the first external member 3 . . The fixed plate-like portion 411 is fastened to the outdoor side viewing surface 311 of the hollow portion 31 of the first external member 3 by screws 41a from the outdoor side.

一対のL字状段差部412は、それぞれ、固定板状部411の左右方向の端部から屋外側に逆L字状に突出することで、屋外側に突出する段差状に形成される。一対のL字状段差部412の左右方向外側の端部には、それぞれ、止水材固定部412aが形成される。 Each of the pair of L-shaped stepped portions 412 is formed in a stepped shape protruding to the outdoor side by protruding from the left and right end portions of the fixed plate-shaped portion 411 to the outdoor side in an inverted L shape. Water stop material fixing portions 412a are formed at the outer ends in the left-right direction of the pair of L-shaped stepped portions 412, respectively.

止水材固定部412aは、図5Aに示すように、一対のL字状段差部412の左右方向外側の端部において、屋内側へ開口するCの字形状に形成されている。Cの字形状の部分には、止水材45の一部が配置されることで、止水材45は、止水材固定部412aに固定される。止水材45の他の部分は、Cの字形状の開口において折り返されて重ねられている。止水材45は、湿式シールにより構成されている。 As shown in FIG. 5A, the water stop material fixing portion 412a is formed in a C shape opening to the indoor side at the laterally outer end portion of the pair of L-shaped stepped portions 412 . A portion of the water-stopping material 45 is arranged in the C-shaped portion, so that the water-stopping material 45 is fixed to the water-stopping material fixing portion 412a. Other portions of the water stop material 45 are folded back and overlapped at the C-shaped opening. The water stop material 45 is configured by a wet seal.

止水材45は、第2外部部材4の止水材固定部412aと、枠体2の内側縦枠24の屋外側見付壁部242と、の間に配置されており、止水材固定部412aの屋内側の面と、内側縦枠24の屋外側見付壁部242の屋外側見付面242aとの間をシールする。これにより、止水材45は、取付鋼材10側に水等が浸入することを防止できる。 The water stop material 45 is arranged between the water stop material fixing portion 412a of the second external member 4 and the outdoor side facing wall portion 242 of the inner vertical frame 24 of the frame 2, and the water stop material is fixed. The indoor side surface of the portion 412a and the outdoor side viewing surface 242a of the outdoor side viewing wall portion 242 of the inner vertical frame 24 are sealed. As a result, the water stop material 45 can prevent water or the like from entering the mounting steel material 10 side.

一方側延出部42及び他方側延出部43は、図3に示すように、左右方向に離間して配置され、屋外側被覆部41の屋内側の面から屋内側に延出すると共に上下方向に延びる。一方側延出部42の先端には、他の部分よりも肉厚で見込方向内側に延びる見込方向内側延出部421が形成される。他方側延出部43の先端には、他の部分よりも肉厚で見込方向内側に突出する見込方向突出部431が形成される。見込方向内側延出部421及び見込方向突出部431を他の部分よりも肉厚に形成することで、第2外部部材4の取付強度を向上させることができる。 As shown in FIG. 3 , the one-side extending portion 42 and the other-side extending portion 43 are arranged apart in the left-right direction, extend from the indoor-side surface of the outdoor-side covering portion 41 toward the indoor side, and extend upward and downward. direction. At the tip of the one-side extending portion 42, a viewing direction inner extending portion 421 that is thicker than other portions and extends inward in the viewing direction is formed. At the tip of the other-side extending portion 43, a viewing direction projecting portion 431 that is thicker than other portions and projects inward in the viewing direction is formed. By forming the prospective direction inner extending portion 421 and the prospective direction projecting portion 431 thicker than other portions, the mounting strength of the second external member 4 can be improved.

図5A~図6に示すように、一対のL字状段差部412の左右方向の間であって固定板状部411の屋外側には、上下方向に延びる凹溝413が形成されている。凹溝413における一対のL字状段差部412の見込面には、上下方向に延びる係合突起413aが形成される。図6に示すように、凹溝413における固定板状部411の屋内側の面の上方側及び下方側には、引っ掛け係合部材44がネジ441aにより固定されてる。 As shown in FIGS. 5A to 6, a groove 413 extending in the vertical direction is formed between the pair of L-shaped stepped portions 412 in the horizontal direction and on the outdoor side of the fixed plate portion 411. As shown in FIGS. Engagement projections 413 a extending in the vertical direction are formed on the projected surfaces of the pair of L-shaped stepped portions 412 in the recessed groove 413 . As shown in FIG. 6, hooking engagement members 44 are fixed by screws 441a to the upper and lower sides of the indoor side surface of the fixed plate-like portion 411 in the groove 413 .

2つの引っ掛け係合部材44は、図5B及び図6に示すように、第2外部部材4の凹溝413において、上方側の所定位置及び下方側の所定位置に配置される。引っ掛け係合部材44は、固定片441と、段差部442と、引っ掛け片443と、を有する。引っ掛け片443は、上下方向に延びる垂直片443aと、垂直片443aの上端部から上方側に向かうに従って第2外部部材4の見付面から離れるように傾斜する傾斜片443bと、を有する。傾斜片443bは、第2外部部材4の見付面に対して斜め上方に延びる。傾斜片443bは、外側化粧カバー5が第2外部部材4に取り付けられた場合に、外側化粧カバー5の内側係合突起532に係合される。 The two hook engaging members 44 are arranged at predetermined positions on the upper side and predetermined positions on the lower side in the concave groove 413 of the second external member 4, as shown in FIGS. 5B and 6 . The hook engaging member 44 has a fixed piece 441 , a stepped portion 442 and a hook piece 443 . The hooking piece 443 has a vertically extending vertical piece 443a and an inclined piece 443b that is inclined away from the viewing surface of the second external member 4 as it goes upward from the upper end of the vertical piece 443a. The inclined piece 443 b extends obliquely upward with respect to the viewing surface of the second external member 4 . The inclined pieces 443b are engaged with the inner engaging projections 532 of the outer decorative cover 5 when the outer decorative cover 5 is attached to the second external member 4 .

外側化粧カバー5は、図4及び図5Aに示すように、第2外部部材4の屋外側を覆うように第2外部部材4の屋外側の屋内側見付面に配置され、第2外部部材4の屋外側の屋内側見付面において、第2外部部材4に固定される。外側化粧カバー5は、平面部51と、一対の端部壁部52,52と、一対の取付突出片53,53(延在突出部)と、を有する。 As shown in FIGS. 4 and 5A, the outer decorative cover 5 is arranged on the indoor side facing surface of the outdoor side of the second external member 4 so as to cover the outdoor side of the second external member 4. It is fixed to the second external member 4 on the indoor side facing surface of the outdoor side of 4 . The outer decorative cover 5 has a flat portion 51, a pair of end wall portions 52, 52, and a pair of mounting projection pieces 53, 53 (extending projection portions).

平面部51は、第2外部部材4の左右方向に所定幅で形成され上下方向に延びる平面状の板材である。
一対の端部壁部52,52は、平面部51の左右方向の両端部から、それぞれ、屋内側に延出する壁状に形成される。端部壁部52は、見込方向に所定幅で形成され上下方向に延びる。
The planar portion 51 is a planar plate member formed with a predetermined width in the horizontal direction of the second external member 4 and extending in the vertical direction.
The pair of end wall portions 52 , 52 are formed in the shape of walls extending indoors from both ends of the flat portion 51 in the left-right direction. The end wall portion 52 is formed with a predetermined width in the viewing direction and extends in the vertical direction.

一対の取付突出片53,53は、図4及び図5Aに示すように、一対の端部壁部52,52の左右方向の内側において、平面部51の屋内側の見付面から屋内側に延出して形成され上下方向に延びる壁状に形成される。取付突出片53は、見込方向に突出して形成され上下方向に延びる。取付突出片53は、図5B及び図6に示すように、上下方向の途中の上側及び下側において方形状に切り欠かれて形成された一対の切り欠き部54を有する。一対の切り欠き部54は、外側化粧カバー5を第2外部部材4に取り付ける場合に、第2外部部材4に取り付けられた引っ掛け係合部材44が配置される位置に形成される。 As shown in FIGS. 4 and 5A, the pair of mounting protrusions 53, 53 extend from the indoor side facing surface of the flat portion 51 to the indoor side on the inside of the pair of end wall portions 52, 52 in the left-right direction. It is formed in the shape of a wall extending in the vertical direction. The attachment projecting piece 53 is formed to project in the prospective direction and extends in the vertical direction. As shown in FIGS. 5B and 6, the mounting projecting piece 53 has a pair of notch portions 54 formed by notching the upper and lower sides in the vertical direction in a square shape. The pair of notches 54 are formed at positions where the hook engaging members 44 attached to the second external member 4 are arranged when the outer decorative cover 5 is attached to the second external member 4 .

一対の取付突出片53,53は、図5A及び図6に示すように、それぞれ、外側係合爪部531と、内側係合突起532(カバー部材側係合部)と、を有する。
外側係合爪部531は、取付突出片53の左右方向の外側の面から外側に突出する爪状に形成され、切り欠き部54の端部に連続して上下方向に延びる。
内側係合突起532は、取付突出片53の左右方向の内側の面から側方に突出して形成され、切り欠き部54の端部に連続して上下方向に延びる。
As shown in FIGS. 5A and 6, the pair of mounting projection pieces 53, 53 each have an outer engaging claw portion 531 and an inner engaging projection 532 (cover member side engaging portion).
The outer engaging claw portion 531 is formed in a claw shape projecting outward from the laterally outer surface of the attachment projecting piece 53 and extends vertically continuously from the end portion of the notch portion 54 .
The inner engagement protrusion 532 is formed to protrude laterally from the lateral inner surface of the attachment protrusion 53 and extends vertically continuously from the end of the notch 54 .

外側化粧カバー5を第2外部部材4に取り付ける場合には、外側化粧カバー5の切り欠き部54に引っ掛け係合部材44を配置可能な位置で、図7の(a)に示すように、僅かに上方側に位置させた状態で、図5Aに示すように、外側化粧カバー5の外側係合爪部531を第2外部部材4の係合突起413aに係合させて、図7の(b)に示すように、外側化粧カバー5を下方側にスライド移動させて、外側化粧カバー5の内側係合突起532を切り欠き部54に挿入した状態で下方に移動させることで、図5Bに示すように、切り欠き部54を介して、内側係合突起532を、引っ掛け係合部材44に係合させることが可能である。よって、外側化粧カバー5を第2外部部材4に容易に取り付けることができる。 When attaching the outer decorative cover 5 to the second external member 4, at a position where the hook engaging member 44 can be arranged in the cutout portion 54 of the outer decorative cover 5, as shown in FIG. 5A, the outer engaging claws 531 of the outer decorative cover 5 are engaged with the engaging projections 413a of the second external member 4, and as shown in FIG. ), the outer decorative cover 5 is slid downward, and the inner engagement projection 532 of the outer decorative cover 5 is moved downward while being inserted into the notch 54, so that the outer decorative cover 5 is moved downward as shown in FIG. 5B. , it is possible to engage the inner engaging projection 532 with the hooking engaging member 44 via the notch 54 . Therefore, the outer decorative cover 5 can be easily attached to the second external member 4 .

接続部材6は、図3及び図4に示すように、屋内側が開放した断面視略コの字状に形成され、取付鋼材10の屋内側の見付面側に配置される。接続部材6は、取付鋼材10の屋内側の見付面よりも左右方向の幅が広く、隣接する窓部20の内側縦枠24同士に跨るような左右方向の幅を有する。 As shown in FIGS. 3 and 4 , the connecting member 6 is formed in a substantially U-shaped cross section with an open indoor side, and is arranged on the indoor side viewing surface side of the mounting steel member 10 . The connection member 6 has a width in the left-right direction that is wider than the viewing surface of the mounting steel material 10 on the indoor side, and has a width in the left-right direction that straddles the inner vertical frames 24 of the adjacent window portions 20 .

接続部材6は、ネジ6aにより、図3に示すように、一方の窓部側の内側縦枠24(図3の左側の内側縦枠24)及び他方の窓部側の内側縦枠24(図3の右側の内側縦枠24)の、それぞれの屋内側見付面に当接して固定されると共に、ネジ6bにより、図4に示すように、取付鋼材10に固定される。また、接続部材6は、ネジ701により、図3に示すように、耐火ボード7及び取付鋼材10に共締めされて固定される。 As shown in FIG. 3, the connection member 6 is connected to the inner vertical frame 24 on one window side (the left inner vertical frame 24 in FIG. 3) and the other inner vertical frame 24 on the window side (see FIG. 3) by screws 6a. 3 are abutted against the respective indoor facing surfaces of the right inner vertical frame 24), and are fixed to the mounting steel member 10 by screws 6b, as shown in FIG. 3, the connection member 6 is fastened together to the fireproof board 7 and the mounting steel material 10 by screws 701. As shown in FIG.

耐火ボード7は、図2~図4に示すように、接続部材6の屋内側の見付面に配置される。耐火ボード7は、取付鋼材10の屋内側の見付面よりも左右方向の幅が広く、隣接する窓部20の内側縦枠24同士の間隔と同程度の左右方向の幅を有する。耐火ボード7は、屋内側から見込方向に貫通するネジ701により取付鋼材10に固定されており、建物の躯体には固定されていない。耐火ボード7の上側と、躯体との間には、ロックウール等の不燃の耐火材が充填される。 The fireproof board 7 is arranged on the facing surface of the connecting member 6 on the indoor side, as shown in FIGS. The fireproof board 7 has a width in the horizontal direction that is wider than the facing surface of the mounting steel member 10 on the indoor side, and has a width in the horizontal direction that is approximately the same as the interval between the inner vertical frames 24 of the adjacent window portions 20 . The fireproof board 7 is fixed to the mounting steel member 10 by a screw 701 penetrating from the indoor side in the prospective direction, and is not fixed to the frame of the building. A nonflammable fireproof material such as rock wool is filled between the upper side of the fireproof board 7 and the frame.

受け金具8は、図2に示すように、接続部材6の下端部に固定され、耐火ボード7の下端を支持する。受け金具8は、図4に示すように、平面視略四角形の平面状の受け面部81と、見付側壁部821及び一対の見込側壁部822を有する壁部82と、接続部83と、を有する。受け金具8の接続部83は、受け面部81の屋外側の端部から下方へ延び、接続部材6の下端部にネジにより締結して連結される。 The bracket 8 is fixed to the lower end of the connection member 6 and supports the lower end of the fireproof board 7, as shown in FIG. As shown in FIG. 4, the receiving metal fitting 8 includes a planar receiving surface portion 81 that is substantially rectangular in plan view, a wall portion 82 having a facing side wall portion 821 and a pair of facing side wall portions 822, and a connecting portion 83. have. The connecting portion 83 of the receiving metal fitting 8 extends downward from the outdoor end portion of the receiving surface portion 81 and is connected to the lower end portion of the connecting member 6 by screwing.

内側カバー部材9は、図3及び図4に示すように、屋外側が開放された断面視略コの字状に形成され、耐火ボード7の周囲を覆うように、耐火ボード7の屋内側に配置される。内側カバー部材9は、上下方向に延びる。内側カバー部材9は、平面部91と、平面部91の両端から屋外側に延びる一対の延出部92と、を有する。 As shown in FIGS. 3 and 4, the inner cover member 9 is formed in a substantially U-shaped cross section with an open outdoor side, and is arranged on the indoor side of the fireproof board 7 so as to cover the periphery of the fireproof board 7. be done. The inner cover member 9 extends vertically. The inner cover member 9 has a flat portion 91 and a pair of extension portions 92 extending from both ends of the flat portion 91 to the outside.

一対の延出部92それぞれの先端側の内側には、カバー側係止部921が形成される。一対のカバー側係止部921は、接続部材6の略コの字の開放側の両端部の外側に形成される一対の接続部材側係止部61に係止可能である。カバー側係止部921が接続部材6の一対の接続部材側係止部61に係止されることで、内側カバー部材9は接続部材6に固定される。 A cover-side engaging portion 921 is formed inside each tip side of the pair of extending portions 92 . The pair of cover-side engaging portions 921 can be engaged with the pair of connecting member-side engaging portions 61 formed on the outside of both ends of the substantially U-shaped opening side of the connecting member 6 . The inner cover member 9 is fixed to the connecting member 6 by locking the cover side locking portions 921 to the pair of connecting member side locking portions 61 of the connecting member 6 .

次に、本実施形態の連窓構造の施工方法について説明する。
図8は、連窓構造の施工方法を示す図であって、取付鋼材10及び内側縦枠24の突出板状部244に第1外部部材3をネジ固定する様子を示す図である。図9は、連窓構造の施工方法を示す図であって、第1外部部材3に第2外部部材4をネジ固定する様子を示す図である。図10は、連窓構造の施工方法を示す図であって、外側化粧カバー5を取り付ける様子を示す図である。図11は、連窓構造の施工方法を示す図であって、取付金具15の取付位置を調整する様子を示す図である。図12は、連窓構造の施工方法を示す図であって、上下の取付金具15をネジ151aにより固定する様子を示す図である。図13は、連窓構造の施工方法を示す図であって、接続部材6を、取付鋼材10及び内側縦枠24に固定する様子を示す図である。
Next, a method for constructing the continuous window structure of the present embodiment will be described.
FIG. 8 is a view showing a method of constructing a continuous window structure, showing how the first external member 3 is screwed to the mounting steel member 10 and the projecting plate-like portion 244 of the inner vertical frame 24 . FIG. 9 is a diagram showing a method of constructing a continuous window structure, showing how the second external member 4 is fixed to the first external member 3 with screws. 10A and 10B are diagrams showing a method of constructing a continuous window structure, showing how the outer decorative cover 5 is attached. 11A and 11B are diagrams showing a method of constructing a continuous window structure, showing how the mounting position of the mounting bracket 15 is adjusted. 12A and 12B are diagrams showing a method of constructing a continuous window structure, showing how the upper and lower mounting brackets 15 are fixed with screws 151a. 13A and 13B are diagrams showing a method of constructing a continuous window structure, showing how the connecting member 6 is fixed to the mounting steel member 10 and the inner vertical frame 24. FIG.

まず、図8に示すように、左右方向に所定の隙間を空けて並べて配置した一対の内側縦枠24の一対の突出板状部244の屋内側の見付面に、取付鋼材10を配置する。そして、他方の内側縦枠24の突出板状部244と取付鋼材10とをネジ24aで固定した後に、一対の突出板状部244の屋外側の見付面に、第1外部部材3の屋内側見付方向延出部32を配置する。この状態で、図9に示すように、第1外部部材3の屋内側見付方向延出部32、一方の内側縦枠24の突出板状部244、及び、取付鋼材10の屋外側平面板部111を、ネジ32aにより共締めして固定する。 First, as shown in FIG. 8, the mounting steel members 10 are arranged on the indoor side facing surfaces of the pair of protruding plate-shaped portions 244 of the pair of inner vertical frames 24 arranged side by side with a predetermined gap in the horizontal direction. . Then, after fixing the protruding plate-shaped portion 244 of the other inner vertical frame 24 and the mounting steel member 10 with the screw 24a, the roof of the first external member 3 is attached to the outside surface of the pair of protruding plate-shaped portions 244 on the outdoor side. An inward looking direction extension 32 is arranged. In this state, as shown in FIG. 9, the indoor-side facing direction extending portion 32 of the first external member 3, the projecting plate-like portion 244 of one of the inner vertical frames 24, and the outdoor-side plane plate of the mounting steel member 10 The portion 111 is fixed by tightening together with a screw 32a.

次に、図9に示すように、第2外部部材4を、第1外部部材3の屋外側を覆うように、第1外部部材3の屋外側に配置して、ネジ41aにより、第2外部部材4の固定板状部411を第1外部部材3の中空部31の屋外側見付面311に固定する。ここで、図10に示すように、第2外部部材4は、第1外部部材3に固定されることで、内側縦枠24の屋外側見付壁部242の屋外側見付面242aに止水材45を押し付ける。このため、第2外部部材4を第1外部部材3に固定するだけで、外側化粧カバー5と内側縦枠24との間の水密性を高めることが可能となる。 Next, as shown in FIG. 9, the second external member 4 is arranged on the outdoor side of the first external member 3 so as to cover the outdoor side of the first external member 3, and the screws 41a are used to tighten the second external member 4. The fixed plate-like portion 411 of the member 4 is fixed to the outdoor side facing surface 311 of the hollow portion 31 of the first external member 3 . Here, as shown in FIG. 10 , the second external member 4 is fixed to the first external member 3 so as to stop on the outdoor side facing surface 242 a of the outdoor side facing wall portion 242 of the inner vertical frame 24 . The water material 45 is pressed. Therefore, the watertightness between the outer decorative cover 5 and the inner vertical frame 24 can be improved only by fixing the second outer member 4 to the first outer member 3 .

続けて、図10に示すように、外側化粧カバー5を、第2外部部材4の屋外側を覆うように、第2外部部材4の屋外側に配置して、第2外部部材4に取り付ける。
外側化粧カバー5を第2外部部材4に取り付ける場合には、前述のように、外側化粧カバー5の切り欠き部54に引っ掛け係合部材44を配置可能な位置で、図7の(a)に示すように、僅かに上方側に位置させた状態で、図5Aに示すように、外側化粧カバー5の外側係合爪部531を第2外部部材4の係合突起413aに係合させて、図7の(b)に示すように、外側化粧カバー5を下方側にスライド移動させて、外側化粧カバー5の内側係合突起532を切り欠き部54に挿入した状態で下方に移動させることで、図5Bに示すように、切り欠き部54を介して、内側係合突起532を、引っ掛け係合部材44に係合させることが可能である。よって、外側化粧カバー5を第2外部部材4に容易に取り付けることができる。
Subsequently, as shown in FIG. 10 , the outer decorative cover 5 is arranged on the outdoor side of the second external member 4 and attached to the second external member 4 so as to cover the outdoor side of the second external member 4 .
When attaching the outer decorative cover 5 to the second external member 4, as described above, the hooking engagement member 44 can be arranged in the notch 54 of the outer decorative cover 5 as shown in FIG. 7(a). 5A, the outer engaging claws 531 of the outer decorative cover 5 are engaged with the engaging protrusions 413a of the second external member 4, As shown in FIG. 7B, the outer decorative cover 5 is slid downward, and the inner engaging projections 532 of the outer decorative cover 5 are moved downward while being inserted into the cutouts 54. 5B, the inner engaging projection 532 can be engaged with the hook engaging member 44 via the notch 54. As shown in FIG. Therefore, the outer decorative cover 5 can be easily attached to the second external member 4 .

次に、取付鋼材10を建物の躯体1に固定する。
取付鋼材10を建物の躯体1に取り付ける場合には、図11に示すように、例えば、取付鋼材10の上方側に形成された長孔16に挿入されたボルト16aを緩めることで、取付金具15を長孔16に沿って上下方向に移動させて、取付金具15の上下方向の位置を調整する。そして、図12に示すように、取付鋼材10の上端部及び下端部において、ネジ151aにより、取付金具15の躯体側取付板151を躯体1の内側の面に固定することで、取付鋼材10の上下方向の位置を調整して固定できる。
Next, the mounting steel material 10 is fixed to the frame 1 of the building.
When attaching the mounting steel material 10 to the building skeleton 1, as shown in FIG. is vertically moved along the elongated hole 16 to adjust the vertical position of the mounting bracket 15 . Then, as shown in FIG. 12 , at the upper end and lower end of the mounting steel material 10 , the frame side mounting plate 151 of the mounting bracket 15 is fixed to the inner surface of the frame 1 with screws 151 a . The vertical position can be adjusted and fixed.

続けて、図13に示すように、ネジ6a、6bにより、取付鋼材10及び一対の窓部の内側縦枠24の屋内側見付面に接続部材6を固定する。
その後、図3及び図4に示すように、接続部材6の屋内側見付面に耐火ボード7を配置して、ネジ701により、耐火ボード7、接続部材6及び取付鋼材10を共締めして固定する。更に、耐火ボード7の屋内側を覆うように、内側カバー部材9を耐火ボード7の屋内側から覆うように移動させて、内側カバー部材9を接続部材6に固定する。
Subsequently, as shown in FIG. 13, the connection member 6 is fixed to the indoor facing surfaces of the mounting steel members 10 and the inner vertical frames 24 of the pair of windows with screws 6a and 6b.
After that, as shown in FIGS. 3 and 4, the fireproof board 7 is placed on the indoor side facing surface of the connecting member 6, and the fireproof board 7, the connecting member 6 and the mounting steel member 10 are tightened together with screws 701. fixed. Further, the inner cover member 9 is moved so as to cover the indoor side of the fireproof board 7 from the indoor side, and the inner cover member 9 is fixed to the connection member 6 .

本実施形態によれば、以下の効果が奏される。
本実施形態の連窓構造は、建物の開口部1aに設けられる一方の窓部20及び他方の窓部20の間に配置され、一方の窓部20側の枠体2と他方の窓部20側の枠体2とを連結する中空の取付鋼材10を有し、取付鋼材10の屋内側に配置される接続部材6と、接続部材6の屋内側の見付面に配置される耐火ボード7と、を備え、一方の窓部20側の枠体2は、隣接する他方の窓部20側の枠体2側に突出すると共に取付鋼材10の屋外側の見付面にネジ32aにより固定される突出板状部244を有し、他方の窓部20側の枠体2は、隣接する一方の窓部20側の枠体2側に突出すると共に取付鋼材10の屋外側の見付面にネジ32aにより固定される突出板状部244を有する。そのため、取付鋼材10は、一方の窓部20側の枠体2の突出板状部244にネジ固定されると共に、他方の窓部20側の枠体2の突出板状部244にネジ固定される。よって、施工時に枠体2にアンカーなどを溶接する作業が発生しない。これにより、連窓構造を容易に施工できる。
According to this embodiment, the following effects are obtained.
The continuous window structure of this embodiment is arranged between one window portion 20 and the other window portion 20 provided in the opening portion 1a of the building, and the frame body 2 on the side of the one window portion 20 and the window portion 20 on the other side are arranged. A connecting member 6 having a hollow mounting steel member 10 connecting with a frame body 2 on the side, arranged on the indoor side of the mounting steel member 10, and a fireproof board 7 arranged on the facing surface of the connecting member 6 on the indoor side. The frame 2 on the side of one window 20 protrudes toward the frame 2 on the side of the adjacent window 20 and is fixed to the exterior side of the mounting steel 10 with screws 32a. The frame body 2 on the other window part 20 side protrudes toward the frame body 2 on the adjacent window part 20 side and faces the outdoor side of the mounting steel material 10. It has a projecting plate-like portion 244 fixed by a screw 32a. Therefore, the mounting steel member 10 is screw-fixed to the protruding plate-like portion 244 of the frame 2 on the one window portion 20 side, and is screw-fixed to the protruding plate-like portion 244 of the frame 2 on the other window portion 20 side. be. Therefore, there is no need to weld anchors or the like to the frame body 2 during construction. As a result, the continuous window structure can be easily constructed.

また、本実施形態においては、一方側の窓部20の枠体2の内側縦枠24に固定される第1外部部材3と、第1外部部材3の屋外側に配置され第1外部部材3に固定される第2外部部材4と、を備える。
ここで、本実施形態の連窓構造を実現するために、前述のように、見込方向において枠体2の突出板状部244と耐火ボード7との間に取付鋼材10を配置した状態で、取付鋼材10を、隣接する窓部20の一方の突出板状部244及び他方の突出板状部244にネジ固定している。この場合、枠体2の突出板状部244と耐火ボード7との間の見込方向の隙間が小さくなりやすく、枠体2の突出板状部244と耐火ボード7との間の見込方向の隙間に取付鋼材10を配置する必要があるため、取付鋼材10の見込方向の寸法が小さくなりがちであった。取付鋼材10の見込方向の寸法が小さくなると、取付鋼材10の見込方向に作用する力に対して強度が弱くなりやすく、耐風圧性能の不足や火災時の変形が増加してしまう等の問題が発生する可能性がある。
これに対して、本発明においては、第1外部部材3及び第2外部部材4を設けることで、第1外部部材3及び第2外部部材4を強度部材として機能させることができ、取付鋼材10の見込方向に作用する力に対しての強度を補強することができる。
Further, in this embodiment, the first external member 3 fixed to the inner vertical frame 24 of the frame 2 of the window portion 20 on one side, and the first external member 3 arranged on the outdoor side of the first external member 3 a second external member 4 fixed to the .
Here, in order to realize the continuous window structure of the present embodiment, as described above, with the mounting steel member 10 arranged between the projecting plate-shaped portion 244 of the frame 2 and the fireproof board 7 in the direction of projection, The mounting steel material 10 is screw-fixed to one protruding plate-shaped portion 244 and the other protruding plate-shaped portion 244 of the adjacent window portion 20 . In this case, the gap in the direction of projection between the projecting plate-shaped portion 244 of the frame 2 and the fireproof board 7 tends to become smaller, and the gap in the direction of projection between the projecting plate-shaped portion 244 of the frame 2 and the fireproof board 7 Since it is necessary to dispose the mounting steel material 10 in the vertical direction, the dimension of the mounting steel material 10 in the prospective direction tends to be small. If the size of the mounting steel material 10 in the projected direction is reduced, the strength tends to be weak against the force acting on the mounting steel material 10 in the projected direction, and problems such as insufficient wind pressure resistance and increased deformation in the event of a fire occur. may occur.
On the other hand, in the present invention, by providing the first external member 3 and the second external member 4, the first external member 3 and the second external member 4 can function as strength members, and the mounting steel material 10 It is possible to reinforce the strength against the force acting in the expected direction.

また、本実施形態においては、第2外部部材4と一方の窓部20側の枠体2との間に配置される止水材45と、第2外部部材4と他方の窓部20側の枠体2との間に配置される止水材45と、を備える。これにより、第2外部部材4を第1外部部材3に固定するだけで、内側縦枠24の屋外側見付壁部242の屋外側見付面242aに止水材45を押し付けることができるため、外側化粧カバー5と内側縦枠24との間の水密性を高めることが可能となる。 In addition, in the present embodiment, the water stop material 45 arranged between the second external member 4 and the frame 2 on the one window portion 20 side, and the second external member 4 and the other window portion 20 side and a water stop material 45 arranged between the frame 2 . As a result, simply by fixing the second external member 4 to the first external member 3, the water stop material 45 can be pressed against the outdoor side facing surface 242a of the outdoor side facing wall portion 242 of the inner vertical frame 24. , the watertightness between the outer decorative cover 5 and the inner vertical frame 24 can be improved.

また、本実施形態においては、第1外部部材3、一方側の窓部20の突出板状部244、及び取付鋼材10は、ネジ32aにより共締めされて固定される。これにより、第1外部部材3、一方側の窓部20の突出板状部244、及び取付鋼材10を強固に固定できる。よって、取付鋼材10の取付強度を向上させることができる。 Further, in this embodiment, the first external member 3, the protruding plate-shaped portion 244 of the window portion 20 on one side, and the mounting steel material 10 are fastened together and fixed by the screws 32a. As a result, the first external member 3, the protruding plate-shaped portion 244 of the window portion 20 on one side, and the mounting steel material 10 can be firmly fixed. Therefore, the mounting strength of the mounting steel material 10 can be improved.

また、本実施形態においては、第2外部部材4は、第1外部部材3の屋外側を覆うように見込方向において第1外部部材3と少なくとも一部が重なる位置に配置される。これにより、見込方向において第2外部部材4の少なくとも一部と第1外部部材3とが重なるため、取付鋼材10の見込方向に作用する力に対しての強度を向上させることができる。 Moreover, in this embodiment, the 2nd exterior member 4 is arrange|positioned in the position where at least one part overlaps with the 1st exterior member 3 in the prospective direction so that the outdoor side of the 1st exterior member 3 may be covered. As a result, at least a portion of the second external member 4 overlaps the first external member 3 in the projection direction, so that the strength against the force acting in the projection direction of the mounting steel member 10 can be improved.

また、本実施形態においては、第2外部部材4の屋外側を覆うように第2外部部材4の屋外側に配置され、第2外部部材4に固定される外側化粧カバー5を備える。そのため、外側化粧カバー5が第2外部部材4の屋外側を覆うため、部材同士のつなぎ目やネジが見えなくなり、意匠性を向上させることができる。 Further, in this embodiment, an outer decorative cover 5 is arranged on the outdoor side of the second external member 4 so as to cover the outdoor side of the second external member 4 and is fixed to the second external member 4 . Therefore, since the outer decorative cover 5 covers the outdoor side of the second external member 4, joints and screws between the members are not visible, and the design can be improved.

また、本実施形態においては、第2外部部材4には、屋外側の見付面に引っ掛け係合部材44が設けられ、外側化粧カバー5は、屋内側の見付面から突出して上下方向に延びる取付突出片53を有し、取付突出片53は、上下方向の途中において形成される切り欠き部54と、切り欠き部54の端部に連続すると共に取付突出片53の側方に突出して上下方向に延びる内側係合突起532と、を有し、外側化粧カバー5の内側係合突起532を切り欠き部54に挿入した状態で下方に移動させることで、切り欠き部54を介して、内側係合突起532を、引っ掛け係合部材44に係合させることが可能である。これにより、外側化粧カバー5を第2外部部材4に容易に取り付けることができる。 Further, in this embodiment, the second external member 4 is provided with a hook engaging member 44 on the outdoor side viewing surface, and the outer decorative cover 5 protrudes from the indoor side viewing surface and extends vertically. The mounting projecting piece 53 has an extending mounting projecting piece 53 , and the mounting projecting piece 53 continues to the notch 54 formed in the middle of the vertical direction, and the end of the notch 54 and projects to the side of the mounting projecting piece 53 . and an inner engaging projection 532 extending in the vertical direction. An inner engagement projection 532 can be engaged with the hook engagement member 44 . This makes it possible to easily attach the outer decorative cover 5 to the second external member 4 .

また、本実施形態においては、取付鋼材10の屋外側の見付面10aは、建物の開口部1aを構成する躯体1の屋外側の見付面1bと略同一面上に配置される。これにより、窓部20の枠体2の内側縦枠24の突出板状部244を、取付鋼材10の屋外側の見付面10aと躯体1の上下部材の屋外側の見付面1bとに沿って配置できる。よって、枠体2の内側縦枠24の突出板状部244を、取付鋼材10の屋外側の見付面10a及び躯体1の屋外側の見付面1bに沿って配置することで、通常の躯体の見込面に窓部の枠体を取り付ける場合と同様に、本実施形態の連窓100を躯体1に容易に取り付けることができる。 In the present embodiment, the exterior surface 10a of the mounting steel member 10 is arranged substantially on the same plane as the exterior surface 1b of the building frame 1 forming the opening 1a of the building. As a result, the protruding plate-like portion 244 of the inner vertical frame 24 of the frame 2 of the window portion 20 is aligned with the exterior surface 10a of the mounting steel member 10 and the exterior surface 1b of the upper and lower members of the frame 1. can be placed along Therefore, by arranging the protruding plate-shaped portion 244 of the inner vertical frame 24 of the frame 2 along the exterior surface 10a of the mounting steel 10 and the exterior surface 1b of the frame 1, the normal The continuous window 100 of the present embodiment can be easily attached to the building frame 1 in the same manner as when the window frame is attached to the projected surface of the building body.

以上、本発明の好ましい実施形態について説明したが、本発明は、上述の実施形態に制限されるものではなく、適宜変更が可能である。
例えば、前記実施形態においては、第1外部部材3を、一方の枠体2の突出板状部244に固定したが、これに限定されず、他方の枠体2の突出板状部244に固定してもよいし、一方の枠体2の突出板状部244及び他方の枠体2の突出板状部244の両方に固定してもよい。
Although the preferred embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments and can be modified as appropriate.
For example, in the above-described embodiment, the first external member 3 is fixed to the projecting plate-shaped portion 244 of one frame 2, but is not limited to this, and is fixed to the projecting plate-shaped portion 244 of the other frame 2. Alternatively, it may be fixed to both the projecting plate-shaped portion 244 of one frame 2 and the projecting plate-shaped portion 244 of the other frame 2 .

1a 開口部
2 枠体
3 第1外部部材(第1部材)
4 第2外部部材(第2部材)
5 外側化粧カバー(カバー部材)
6 接続部材
7 耐火ボード
10 取付鋼材(鋼材)
20 窓部
32a ネジ
44 引っ掛け係合部材(第2部材側係合部)
45 止水材(一方側止水材、他方側止水材)
53 取付突出片(延在突出部)
54 切り欠き部
100 連窓
244 突出板状部(一方側突出部、他方側突出部)
532 内側係合突起(カバー部材側係合部)
1a opening 2 frame 3 first external member (first member)
4 Second external member (second member)
5 outer decorative cover (cover member)
6 connection member 7 fireproof board 10 mounting steel (steel)
20 window portion 32a screw 44 hook engaging member (second member side engaging portion)
45 water stop material (one side water stop material, other side water stop material)
53 Mounting protrusion (extending protrusion)
54 Notch 100 Continuous window 244 Protruding plate-like part (one side protruding part, other side protruding part)
532 inner engagement protrusion (cover member side engagement portion)

Claims (6)

建物の開口部に設けられる一方の窓部及び前記一方の窓部に隣接する他方の窓部の間に配置され、前記一方の窓部側の枠体と前記他方の窓部側の枠体とを連結する中空の鋼材を有する連窓構造であって、
前記鋼材の屋内側に配置される接続部材と、
前記接続部材の屋内側の見付面に配置される耐火ボードと、を備え、
前記一方の窓部側の枠体は、隣接する前記他方の窓部側の枠体側に突出すると共に前記鋼材の屋外側の見付面にネジにより固定される一方側突出部を有し、
前記他方の窓部側の枠体は、隣接する前記一方の窓部側の枠体側に突出すると共に前記鋼材の屋外側の見付面にネジにより固定される他方側突出部を有し、
前記一方側突出部及び前記他方側突出部の一方又は両方の屋外側の見付面に固定される第1部材と、
前記第1部材の屋外側に配置され前記第1部材に固定される第2部材と、
前記第2部材と前記一方の窓部側の枠体との間に配置される一方側止水材と、
前記第2部材と前記他方の窓部側の枠体との間に配置される他方側止水材と、を備え、
前記第2部材は、屋外側の端部から前記一方の窓部側に延出する一方側延出部と、屋外側の端部から前記他方の窓部側に延出する他方側延出部と、を有し、
前記一方側止水材は、前記一方の窓部側の枠体の屋外側の見付面と前記第2部材の前記一方側延出部の屋内側の見付面との間に配置され、
前記他方側止水材は、前記他方の窓部側の枠体の屋外側の見付面と前記第2部材の前記他方側延出部の屋内側の見付面との間に配置される連窓構造。
A frame on the one window side and a frame on the other window side, which are arranged between one window provided in an opening of a building and the other window adjacent to the one window A continuous window structure having a hollow steel material that connects the
a connection member arranged on the indoor side of the steel material;
a fireproof board arranged on the indoor side facing surface of the connection member,
The frame on the one window side has a one-side protruding part that protrudes toward the adjacent frame on the other window side and is fixed by screws to the exterior surface of the steel material,
The frame on the other window side has a projecting portion on the other side that protrudes toward the frame on the adjacent one window side and is fixed to the exterior facing surface of the steel material with screws,
a first member fixed to the outdoor facing surface of one or both of the one-side projecting portion and the other-side projecting portion;
a second member arranged on the outdoor side of the first member and fixed to the first member;
a one-side water stop material disposed between the second member and the frame on the one window side;
a second water stop material disposed between the second member and the other window side frame,
The second member includes a one-side extension portion that extends from an outdoor-side end toward the one window portion, and a other-side extension portion that extends from an outdoor-side end toward the other window portion. and
The one-side water stop material is disposed between the outdoor-side viewing surface of the one window-side frame and the indoor-side viewing surface of the one-side extension of the second member,
The other-side water stop material is disposed between the outdoor-side viewing surface of the other window-side frame and the indoor-side viewing surface of the other-side extension of the second member. Continuous window structure.
前記第1部材、前記一方側突出部及び前記他方側突出部のいずれか一方、及び前記鋼材は、ネジにより共締めされて固定される請求項に記載の連窓構造。 2. The continuous window structure according to claim 1 , wherein the first member, one of the one-side projecting portion and the other-side projecting portion, and the steel material are fastened together and fixed with screws. 前記第2部材は、前記第1部材の屋外側を覆うように見込方向において前記第1部材と少なくとも一部が重なる位置に配置される請求項1又は2に記載の連窓構造。 The continuous window structure according to claim 1 or 2 , wherein the second member is arranged at a position at least partially overlapping with the first member in the viewing direction so as to cover the outdoor side of the first member. 前記第2部材の屋外側を覆うように前記第2部材の屋外側に配置され前記第2部材に固定されるカバー部材を更に備える請求項1~3のいずれかに記載の連窓構造。 The continuous window structure according to any one of claims 1 to 3, further comprising a cover member arranged on the outdoor side of the second member and fixed to the second member so as to cover the outdoor side of the second member. 前記第2部材には、屋外側の見付面に第2部材側係合部が設けられ、
前記カバー部材は、屋内側の見付面から突出して上下方向に延びる延在突出部を有し、
前記延在突出部は、上下方向の途中に形成される切り欠き部と、前記切り欠き部の端部に連続すると共に前記延在突出部の側方に突出して上下方向に延びるカバー部材側係合部と、を有し、
前記第2部材側係合部を前記切り欠き部に挿入した状態で下方に移動させることで、前記切り欠き部を介して、前記前記第2部材側係合部を前記カバー部材側係合部に係合させることが可能である請求項に記載の連窓構造。
The second member is provided with a second member-side engaging portion on the outdoor side viewing surface,
The cover member has an extending projecting portion that projects from the viewing surface on the indoor side and extends in the vertical direction,
The extending projecting portion includes a notch portion formed in the middle in the vertical direction, and a cover member side engaging portion which is continuous with an end portion of the notch portion and protrudes laterally of the extending projecting portion to extend in the vertical direction. having a junction and
By moving the second member-side engaging portion downward while being inserted into the notch portion, the second member-side engaging portion is moved to the cover member-side engaging portion through the notch portion. 5. The window structure according to claim 4 , wherein the window structure is capable of being engaged with the .
前記鋼材の屋外側の見付面は、前記建物の開口部を構成する躯体の屋外側の見付面と略同一面上に配置される請求項1~のいずれかに記載の連窓構造。 The continuous window structure according to any one of claims 1 to 5 , wherein the exterior facing surface of the steel material is arranged substantially on the same surface as the exterior facing surface of the frame forming the opening of the building. .
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JP2018091059A (en) 2016-12-05 2018-06-14 株式会社Lixil Fitting cover material and attaching method of fitting cover material
JP2018184729A (en) 2017-04-24 2018-11-22 Ykk Ap株式会社 Multiple window
JP2019214927A5 (en) 2019-01-23 2021-02-12

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JPH0619017Y2 (en) * 1988-01-25 1994-05-18 立山アルミニウム工業株式会社 Mounting structure of outer cap on vertical part of continuous window
JP7064453B2 (en) * 2018-06-11 2022-05-10 三協立山株式会社 Fire protection fittings

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018091059A (en) 2016-12-05 2018-06-14 株式会社Lixil Fitting cover material and attaching method of fitting cover material
JP2018184729A (en) 2017-04-24 2018-11-22 Ykk Ap株式会社 Multiple window
JP2019214927A5 (en) 2019-01-23 2021-02-12

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