JP7097747B2 - Structure of the lower frame of the window shutter - Google Patents

Structure of the lower frame of the window shutter Download PDF

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JP7097747B2
JP7097747B2 JP2018101152A JP2018101152A JP7097747B2 JP 7097747 B2 JP7097747 B2 JP 7097747B2 JP 2018101152 A JP2018101152 A JP 2018101152A JP 2018101152 A JP2018101152 A JP 2018101152A JP 7097747 B2 JP7097747 B2 JP 7097747B2
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base end
frame
end side
skeleton
guide rail
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JP2019206801A (en
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功 齋藤
健 内倉
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Sanwa Shutter Corp
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Sanwa Shutter Corp
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Description

本発明は、窓シャッターの下枠の構造に関するものである。 The present invention relates to the structure of the lower frame of a window shutter.

シャッター装置は本来的に建物開口部を塞いで屋外側空間と屋内側区間を仕切るものであるが、さらに、火災時において屋外側空間と屋内側区間とを連通する隙間や開口が形成されないようにする防火性能が要求される。特許文献１、特許文献２には、窓シャッター装置の下枠の防火構造が記載されている。 The shutter device originally closes the opening of the building and separates the outdoor space from the indoor section, but further, in the event of a fire, a gap or opening that communicates the outdoor space and the indoor section should not be formed. Fire prevention performance is required. Patent Document 1 and Patent Document 2 describe a fire protection structure for a lower frame of a window shutter device.

窓シャッターの下枠は、通常、基端側部位を螺子等を用いて躯体に固定することで、屋外側に持ち出し状に取り付けられているが、火災時の熱による下枠の変形によって、下枠の基端側部位と躯体との間に隙間が生成され、かかる隙間から火炎が回るおそれがある。特に、下枠の基端側部位の下方部位（下枠の上面よりも下方の部位）を取付片として躯体に固定しているような場合には、下枠の自重が持ち出し状に取り付けられた下枠の先端側が下方に垂れるように作用することと相俟って、熱変形により下枠の基端側部位と躯体との間に隙間が生成され易い。また、下枠の基端側部位と躯体の間に水密部材（ゴム等の可燃要素である）を設けた場合には、下枠の基端側部位と躯体との間に生成された隙間から、火炎が水密部材に乗り移って発炎が生じることになる。
特許第５７０３１８２号 特開２０１３－５３４２１号 The lower frame of the window shutter is usually attached to the outdoor side by fixing the base end side part to the skeleton using screws or the like, but the lower frame is deformed by the heat at the time of fire. A gap is created between the base end side portion of the frame and the skeleton, and there is a risk that the flame will rotate from such a gap. In particular, when the lower part of the base end side part of the lower frame (the part below the upper surface of the lower frame) is fixed to the skeleton as a mounting piece, the weight of the lower frame is attached like a carry-out. Coupled with the fact that the tip end side of the lower frame acts to hang downward, a gap is likely to be created between the base end side portion of the lower frame and the skeleton due to thermal deformation. In addition, when a watertight member (a flammable element such as rubber) is provided between the base end side portion of the lower frame and the skeleton, the gap created between the base end side portion of the lower frame and the skeleton , The flame will transfer to the watertight member and cause a flame.
Patent No. 5703182 Japanese Unexamined Patent Publication No. 2013-53421

本発明は、窓シャッター装置において、火災時に、下枠の基端側部位と躯体との間に生じた隙間から火炎が回ることを防止することを目的とするものである。 An object of the present invention is to prevent a flame from turning from a gap formed between a portion on the base end side of a lower frame and a skeleton in a window shutter device in the event of a fire.

本発明が採用した技術手段は、
窓シャッターの下枠は、躯体に対して屋外側に持ち出し状に取り付けられており、
前記下枠は、躯体から屋外側に向かって延びる上面と、基端側部位と、を備え、
前記下枠の基端側部位は、第１基端側辺と第２基端側辺を備えており、
前記下枠は、第１基端側辺を固定手段によって躯体に固定することで当該躯体に取り付けられており、
前記下枠が前記躯体に取り付けられた状態において、第２基端側辺は前記躯体に対して少なくとも一部が離間して対向しており、
前記第２基端側辺の躯体に対向する面には、熱膨張耐火部材が設けてある、
窓シャッターの下枠の構造、である。
典型的には、前記固定手段は螺子である。 The technical means adopted in the present invention is
The lower frame of the window shutter is attached to the outdoor side of the skeleton in a carry-out manner.
The lower frame includes an upper surface extending from the skeleton toward the outdoor side and a base end side portion.
The base end side portion of the lower frame includes a first base end side side and a second base end side side.
The lower frame is attached to the skeleton by fixing the side of the first base end to the skeleton by fixing means.
In a state where the lower frame is attached to the skeleton, the side of the second base end faces the skeleton at least in part at a distance from each other.
A thermal expansion refractory member is provided on the surface of the second base end side facing the skeleton.
The structure of the lower frame of the window shutter.
Typically, the fixing means is a screw.

１つの態様では、前記第１基端側辺は、前記第２基端側辺よりも下側に位置しており、前記熱膨張耐火部材は、前記固定手段の上側に位置している（図２５参照）。
固定手段の上側に熱膨張耐火部材が位置するので、火災時に、固定手段を支点として下枠が垂れ下がるように変形し、下枠の基端側部位と躯体との間に隙間が生じても、かかる隙間を火災時の熱により発泡する熱膨張耐火部材で塞ぐことができる。
１つの態様では、前記熱膨張耐火部材及び前記固定手段は、前記上面の高さ位置よりも下側に位置している（図２５参照）。
下枠の基端側部位を上面よりも下側の位置で躯体に連結することで、前記基端側部位において、上面よりも上側の部分の高さ寸法（立ち上がり寸法）を小さくすることができ、下枠の上面を上方に位置させることができる（窓サッシの下枠に近づけることができる）。結果として、窓サッシの下枠の高さとシャッターカーテン下端の座板錠の高さの差を小さくすることができ、窓サッシの下枠の上方から手動で行う座板錠の操作性が向上する。
１つの態様では、前記第１基端側辺は、前記第２基端側辺よりも上側に位置しており、前記熱膨張耐火部材は、前記固定手段の下側に位置している（図２参照）。
１つの態様では、前記熱膨張耐火部材は、前記上面の高さ位置よりも下側に位置しており、前記固定手段は、前記上面の高さよりも上側に位置している（図２参照）。 In one embodiment, the first base end side is located below the second base end side, and the thermal expansion refractory member is located above the fixing means (FIG.). 25).
Since the thermal expansion refractory member is located on the upper side of the fixing means, even if the lower frame is deformed so as to hang down with the fixing means as a fulcrum in the event of a fire and a gap is created between the base end side portion of the lower frame and the skeleton. Such a gap can be closed with a thermal expansion refractory member that foams due to the heat of a fire.
In one embodiment, the thermal expansion refractory member and the fixing means are located below the height position of the upper surface (see FIG. 25).
By connecting the base end side portion of the lower frame to the skeleton at a position lower than the upper surface, the height dimension (rising dimension) of the portion above the upper surface can be reduced in the base end side portion. , The upper surface of the lower frame can be positioned upward (it can be brought closer to the lower frame of the window sash). As a result, the difference between the height of the lower frame of the window sash and the height of the seat lock at the lower end of the shutter curtain can be reduced, and the operability of the seat lock manually performed from above the lower frame of the window sash is improved. ..
In one embodiment, the first base end side is located above the second base end side, and the thermal expansion refractory member is located below the fixing means (FIG.). 2).
In one embodiment, the thermal expansion refractory member is located below the height of the top surface and the fixing means is located above the height of the top surface (see FIG. 2). ..

１つの態様では、前記下枠が前記躯体に取り付けられた状態において、前記基端側部位と前記躯体の間には、前記熱膨張耐火部材の上側に位置して水密部材が設けてある、
１つの態様では、前記水密部材は、前記第１基端側辺（図２の基端側上辺６４）に設けてある。
１つの態様では、前記水密部材は、前記第２基端側辺（図２５の基端側上辺６４、基端側下辺６５）に設けてある。
なお、図２５の例では、基端側下辺６５と基端側上辺６４とから垂直状の第２基端側辺が形成されており、基端側下辺６５に熱膨張耐火部材が設けられ、基端側上辺６４に水密部材が設けられているが、下枠の基端側部位の形状（基端側下辺と基端側上辺が別個の辺と解釈できるような場合）によっては、基端側下辺（熱膨張耐火部材が位置する）が第２基端側辺を形成する一方、第２基端側辺の上側に位置する基端側上辺に水密部材が設けられる場合もあり得る。
１つの態様では、前記第１基端側辺は、前記第２基端側辺よりも下側に位置しており、前記熱膨張耐火部材は、前記固定手段の上側に位置している。 In one embodiment, in a state where the lower frame is attached to the skeleton, a watertight member is provided between the base end side portion and the skeleton located above the thermal expansion refractory member.
In one embodiment, the watertight member is provided on the first base end side side (base end side upper side 64 in FIG. 2).
In one embodiment, the watertight member is provided on the second base end side side (base end side upper side 64, base end side lower side 65 in FIG. 25).
In the example of FIG. 25, a vertical second base end side side is formed from the base end side lower side 65 and the base end side upper side 64, and a thermal expansion refractory member is provided on the base end side lower side 65. A watertight member is provided on the base end side upper side 64, but depending on the shape of the base end side portion of the lower frame (when the base end side lower side and the base end side upper side can be interpreted as separate sides), the base end While the lower side (where the thermal expansion refractory member is located) forms the second base end side, a watertight member may be provided on the base end side upper side located above the second base end side.
In one embodiment, the first base end side is located below the second base end side, and the thermal expansion refractory member is located above the fixing means.

１つの態様では、前記水密部材は、前記基端側部位の上端部位と前記躯体の間に設けてある。
躯体としては、外壁や窓サッシ枠を例示することができる。 In one embodiment, the watertight member is provided between the upper end portion of the proximal end side portion and the skeleton.
As the skeleton, an outer wall or a window sash frame can be exemplified.

本発明では、下枠が第１基端側辺において固定手段により躯体に取り付けられた状態において、第２基端側辺は躯体に対して少なくとも一部が離間して対向しており、前記第２基端側辺の躯体に対向する面に熱膨張耐火部材を設けたことによって、火災時に、下枠の基端側部位と躯体との間に隙間が生じた場合であっても、熱膨張耐火部材がかかる隙間を閉塞することで、当該隙間から火炎が回ることを防止する。 In the present invention, in a state where the lower frame is attached to the skeleton by fixing means on the side of the first base end, at least a part of the side of the second base end faces the skeleton at a distance from each other. By providing a thermal expansion refractory member on the surface facing the skeleton on the side of the two base ends, even if a gap is created between the base end side portion of the lower frame and the skeleton in the event of a fire, thermal expansion occurs. By closing the gap in which the fire-resistant member is applied, it is possible to prevent the flame from turning through the gap.

下枠の基端側部位と躯体との間に水密部材を設けたものにおいて、水密部材を前記基端側部位の上方部位に位置させ、水密部材の下側に熱膨張耐火部材を配置することによって、水密部材によって、前記基端側部位と躯体の間からの水の浸水を防止し、水密部材の下側に熱膨張耐火部材が位置するので、熱膨張耐火部材に雨水が直接接触することを防止する。
水密部材が下枠の基端側部位の上方部位に位置することで、外部から下枠の下面に火炎が作用した場合に、水密部材の下方に位置する熱膨張耐火部材によって、水密部材への火炎の引火を防止することができる。 In a case where a watertight member is provided between the base end side portion of the lower frame and the skeleton, the watertight member is located above the base end side portion and the thermal expansion refractory member is arranged below the watertight member. The watertight member prevents water from entering between the base end side portion and the skeleton, and the thermal expansion refractory member is located under the watertight member, so that rainwater comes into direct contact with the thermal expansion refractory member. To prevent.
Since the watertight member is located above the base end side portion of the lower frame, when a flame acts on the lower surface of the lower frame from the outside, the thermal expansion refractory member located below the watertight member makes the watertight member into the watertight member. It is possible to prevent the flame from catching fire.

窓シャッター装置の概略正面図である。It is a schematic front view of a window shutter device. 窓シャッター装置の縦断面図である。It is a vertical sectional view of a window shutter device. 図２の部分拡大図である。It is a partially enlarged view of FIG. 窓シャッター装置の横断面図であり、左側が窓開口部の上方の高さ位置の横断面、右側が窓開口部の高さ位置の横断面を示す。It is a cross-sectional view of the window shutter device, the left side shows the cross section of the height position above the window opening, and the right side shows the cross section of the height position of the window opening. 図４に示す窓シャッター装置の一方のガイドレール及びガイドレール下地枠の上方部位の横断面図であり、下側から上側に向かって見た図である。FIG. 4 is a cross-sectional view of one of the guide rails of the window shutter device shown in FIG. 4 and the upper portion of the guide rail base frame, and is a view seen from the lower side to the upper side. 図２における下枠を示す図であり、上から、平面図、背面図、側面図である。It is a figure which shows the lower frame in FIG. 2, and is a plan view, a rear view, and a side view from the top. 窓シャッター装置の上方部位の内部を示す正面図（巻取シャフトは省略）である。It is a front view (the take-up shaft is omitted) which shows the inside of the upper part of a window shutter device. （Ａ）は、図３、図４のＡ－Ａ線縦断面図であり、（Ｂ）は、図３、図４のＢ－Ｂ線縦断面図である。(A) is a vertical sectional view taken along line AA of FIGS. 3 and 4, and (B) is a vertical sectional view taken along line BB of FIGS. 3 and 4. 左図はブラケットの正面図、右図はブラケットを内側から見た側面図である。The left figure is a front view of the bracket, and the right figure is a side view of the bracket as seen from the inside. 開閉機の取付台を示す図である。It is a figure which shows the mount of a switch. 左図は、ブラケットとガイドレール下地枠の上方部位を外側から見た側面図であり、右図は、一部切り欠き正面図である。The left figure is a side view of the upper part of the bracket and the guide rail base frame as viewed from the outside, and the right figure is a front view with a partial cutout. 上図は、ブラケットとガイドレール下地枠の上方部位を内側から見た側面図であり、下図は、ガイドレール下地枠の上方部位の横断面図である。The upper figure is a side view of the upper part of the bracket and the guide rail base frame as viewed from the inside, and the lower figure is a cross-sectional view of the upper part of the guide rail base frame. カバープレートを示す図である。It is a figure which shows the cover plate. ガイドレール下地枠規制構造（アルミサッシ用）を説明する図である。It is a figure explaining the guide rail base frame regulation structure (for aluminum sash). ガイドレール下地枠規制構造（樹脂サッシ用）を説明する図である。It is a figure explaining the guide rail base frame regulation structure (for resin sash). サイドキャップを示す図である。It is a figure which shows the side cap. サイドキャップ本体部を示す図である。It is a figure which shows the side cap main body part. サイドキャップ分割部を示す図である。It is a figure which shows the side cap division part. （Ａ）は図１６のＡ－Ａ線縦断面図、（Ｂ）は図１６のＢ－Ｂ線縦断面図、（Ｃ）は図１６のＣ－Ｃ線縦断面図である。(A) is a vertical sectional view taken along line AA of FIG. 16, (B) is a vertical sectional view taken along line BB of FIG. 16, and (C) is a vertical sectional view taken along line CC of FIG. 右図は、サイドキャップ分割部の上端部の突片とサイドキャップ本体部との係合状態を示す図であり、左図は、サイドキャップ本体部の下端部の突片とブラケットとの連結状態を示す図である。The figure on the right shows the engagement state between the protrusion at the upper end of the side cap split portion and the side cap main body, and the figure on the left shows the connection state between the protrusion at the lower end of the side cap main body and the bracket. It is a figure which shows. サイドキャップ分割部の下縁部の後端に形成された係止突片とサイドキャップ本体部の後側部位の前端かつ下端に形成された係止受部との係合状態を示す図であり、左図が内側から見た側面図、右図が後から見た断面図である。It is a figure which shows the engaging state between the locking projection piece formed at the rear end of the lower edge portion of a side cap split portion, and the locking receiving portion formed at the front end and the lower end of the rear side portion of a side cap main body portion. The left figure is a side view seen from the inside, and the right figure is a cross-sectional view seen from the back. 窓シャッター装置（後付け）のシャッターケースの側面図である。It is a side view of the shutter case of a window shutter device (retrofitting). 窓シャッター装置（先付け）の横断面図であり、左側が窓開口部の上方の高さ位置の横断面、右側が窓開口部の高さ位置の横断面を示す。It is a cross-sectional view of a window shutter device (advanced), the left side shows a cross section at a height position above the window opening, and the right side shows a cross section at a height position of a window opening. 図２３に示す窓シャッター装置の一方のガイドレール及びガイドレール下地枠の上方部位の横断面図であり、下側から上側に向かって見た図である。FIG. 23 is a cross-sectional view of one of the guide rails of the window shutter device shown in FIG. 23 and the upper portion of the guide rail base frame, and is a view seen from the lower side to the upper side. （Ａ）は（Ｂ）のＢ－Ｂ線断面図であり、（Ｂ）は図２４と類似の図である。(A) is a sectional view taken along line BB of (B), and (B) is a diagram similar to FIG. 24. 窓シャッター装置（先付け）の下方部位の縦断面図である。It is a vertical sectional view of the lower part of a window shutter device (advanced). 図２５における下枠を示す図であり、上から、平面図、背面図、側面図である。It is a figure which shows the lower frame in FIG. 25, and is a plan view, a rear view, and a side view from the top. 窓シャッター（先付け）のシャッターケースの側面図である。It is a side view of the shutter case of a window shutter (advanced). メンテナンス時のシャッターケース下板を取り外す工程を示す図である。It is a figure which shows the process of removing a shutter case lower plate at the time of maintenance. 窓シャッター装置のシャッターケースが半軒天収納の場合を示す図である。It is a figure which shows the case where the shutter case of a window shutter device is a semi-eave storage.

図１は全閉姿勢にある窓シャッター装置を屋外側から見た正面図、図２は窓シャッター装置の縦断面図、図３は図２の部分拡大図、図４は窓シャッター装置の横断面図（左側が窓開口部の上方の高さ位置、右側が窓開口部の高さ位置）である。窓シャッター装置は、建物の窓開口部に設置した窓装置（図２、図４に窓サッシ枠Ｓを示す）の屋外側に設けられる。窓シャッターの取付態様としては、シャッターを後付けする場合（外壁Ｗを仕上げた後でシャッターを取り付ける場合であり、図１～図５、図７、図２２に示す）と、シャッターを先付けする場合（下地要素Ｗ´にシャッターを取り付けた後に外壁Ｗを仕上げる場合であり、図２３～図２５、図２７に示す）がある点に留意されたい。また、本実施形態では、後付け仕様では、窓サッシ枠Ｓはアルミサッシ（図２、図４等参照）であり、先付け仕様では、窓サッシ枠Ｓは樹脂サッシ（図２３、図２５等参照）であるが、アルミサッシが先付け仕様であっても、樹脂サッシが後付け仕様であってもよい。本明細書において、窓シャッター装置が取り付けられる側を総称して「躯体」と呼び、躯体には、外壁Ｗ、下地要素Ｗ´、窓サッシ枠Ｓ等が含まれる。 1 is a front view of a window shutter device in a fully closed position from the outdoor side, FIG. 2 is a vertical sectional view of the window shutter device, FIG. 3 is a partially enlarged view of FIG. 2, and FIG. 4 is a cross section of the window shutter device. The figure (the left side is the height position above the window opening, and the right side is the height position of the window opening). The window shutter device is provided on the outdoor side of the window device (the window sash frame S is shown in FIGS. 2 and 4) installed at the window opening of the building. As the mounting mode of the window shutter, a case where the shutter is retrofitted (a case where the shutter is mounted after finishing the outer wall W, which is shown in FIGS. 1 to 5, 7, and 22) and a case where the shutter is preliminarily attached (the case where the shutter is attached first) It should be noted that there is a case where the outer wall W is finished after the shutter is attached to the base element W'(shown in FIGS. 23 to 25 and 27). Further, in the present embodiment, in the retrofit specification, the window sash frame S is an aluminum sash (see FIGS. 2, 4, etc.), and in the pre-installed specification, the window sash frame S is a resin sash (see FIGS. 23, 25, etc.). However, the aluminum sash may be a retrofit specification or the resin sash may be a retrofit specification. In the present specification, the side to which the window shutter device is attached is collectively referred to as a "framework", and the frame includes an outer wall W, a base element W', a window sash frame S, and the like.

窓シャッター装置は、窓開口部の上方に位置して、躯体（外壁Ｗ）に持ち出し状に取り付けられた左右のブラケット１と、左右のブラケット１間に支持された巻取シャフト２と、外壁Ｗに対して持ち出し状に取り付けられた左右のガイドレール下地枠３と、左右のガイドレール下地枠３に支持された左右のガイドレール４と、上端が巻取シャフト２に連結されたシャッターカーテン５であって、巻取シャフト２に巻き取られ／繰り出されることで、幅方向両端部がガイドレール４に案内されながら昇降して窓開口部の屋外側部位を開閉するシャッターカーテン５と、窓開口部の下方に位置して、躯体（外壁Ｗ）に持ち出し状に取り付けられた下枠（水切板）６と、を備えている。窓開口部の上方に位置して、左右のブラケット１及び巻取シャフト２に巻き取られたシャッターカーテン５を収納するようにシャッターケース７が設けられ、シャッターケース７の幅方向両端部に位置してブラケット１にはサイドキャップ８が被着される。後述するように、本実施形態では、サイドキャップ８は、本体部８´と、本体部８´に着脱可能な分割部９と、から構成されているが、サイドキャップ８は、一部材から一体形成されたものでもよい。 The window shutter device is located above the window opening, and has the left and right brackets 1 attached to the frame (outer wall W) in a carry-out manner, the take-up shaft 2 supported between the left and right brackets 1, and the outer wall W. With the left and right guide rail base frames 3 attached in a carry-out manner, the left and right guide rails 4 supported by the left and right guide rail base frames 3, and the shutter curtain 5 whose upper end is connected to the take-up shaft 2. A shutter curtain 5 and a window opening that open and close the outdoor side of the window opening by moving up and down while being guided by the guide rail 4 at both ends in the width direction by being wound / unwound by the take-up shaft 2. A lower frame (drain plate) 6 attached to the skeleton (outer wall W) in a carry-out manner is provided below the frame (outer wall W). A shutter case 7 is provided above the window opening so as to house the shutter curtain 5 wound around the left and right brackets 1 and the take-up shaft 2, and is located at both ends of the shutter case 7 in the width direction. A side cap 8 is attached to the bracket 1. As will be described later, in the present embodiment, the side cap 8 is composed of a main body portion 8'and a split portion 9 that can be attached to and detached from the main body portion 8', but the side cap 8 is integrated from one member. It may be formed.

図９に示すように、ブラケット１は、垂直状の面部１０と、面部１０の傾斜状の上縁に沿って形成された上面１１と、面部１０の前縁（側面視凹部状）に沿って形成された上側前面１２、中間前面１３、下側前面１４と、面部１０の下縁に沿って形成された前側下面１５、中間下面１６、基端側下面１７と、面部１０の後縁に沿って形成された後面１８とからなる。中間前面１３は、ブラケット１の前縁の凹部の底面であり、下側前面１４の上端に形成された水平面１４０が凹部の下面を形成している。 As shown in FIG. 9, the bracket 1 has a vertical face portion 10, an upper surface 11 formed along the inclined upper edge of the face portion 10, and a front edge (side view concave portion) of the face portion 10. The upper front surface 12, the intermediate front surface 13, the lower front surface 14 formed, the front lower surface 15 formed along the lower edge of the surface portion 10, the intermediate lower surface 16, the base end side lower surface 17, and the trailing edge of the surface portion 10. It is composed of a rear surface 18 formed of the above. The intermediate front surface 13 is the bottom surface of the recess on the front edge of the bracket 1, and the horizontal plane 140 formed at the upper end of the lower front surface 14 forms the lower surface of the recess.

図３、図４に示すように、ブラケット１は、後面１８を外壁Ｗに固定された引っ掛け金具２１に取り付けることで外壁Ｗに対して持ち出し状に設けられる。引っ掛け金具２１には、ブラケット１の面部１０に平行に延びる連結片２１０が形成されており、ブラケット１の面部１０と連結片２１０を螺子２１１（図３参照、図４では省略）によって固定することで、下方からの吹き上げ荷重に対抗するようにしている。 As shown in FIGS. 3 and 4, the bracket 1 is provided in a carry-out shape with respect to the outer wall W by attaching the rear surface 18 to the hook metal fitting 21 fixed to the outer wall W. A connecting piece 210 extending parallel to the surface portion 10 of the bracket 1 is formed on the hook metal fitting 21, and the surface portion 10 of the bracket 1 and the connecting piece 210 are fixed by a screw 211 (see FIG. 3, omitted in FIG. 4). So, I try to counter the blow-up load from below.

ブラケット１の面部１０の外面には、上側係止片１００、下側係止片１０１が形成されている。上側係止片１００は、水平片１０００と垂直状の立ち上がり片１００１から断面視Ｌ形状を備え、下側係止片１０１は、水平片１０１０と垂下片１０１１から断面視逆Ｌ形状を備えている。上側係止片１００、下側係止片１０１は、面部１０の一部を切り起して形成した切り起し片であり、面部１０には上側係止片１００、下側係止片１０１の切り起し時に形成された開口１００２、１０１２が形成されている。開口１００２、１０１２は、それぞれ、ブラケット１の面部１０の上端近傍、下端近傍で、ブラケット１の面部１０の前後方向の略中央に位置して形成されている。 An upper locking piece 100 and a lower locking piece 101 are formed on the outer surface of the surface portion 10 of the bracket 1. The upper locking piece 100 has an L shape in cross section from the horizontal piece 1000 and the rising piece 1001 in a vertical shape, and the lower locking piece 101 has an inverted L shape in cross section from the horizontal piece 1010 and the hanging piece 1011. .. The upper locking piece 100 and the lower locking piece 101 are cut and raised pieces formed by cutting and raising a part of the surface portion 10, and the upper locking piece 100 and the lower locking piece 101 are formed on the surface portion 10. The openings 1002 and 1012 formed at the time of cutting up are formed. The openings 1002 and 1012 are formed near the upper end and the lower end of the surface portion 10 of the bracket 1, respectively, and are located substantially at the center of the surface portion 10 of the bracket 1 in the front-rear direction.

駆動側のブラケット１の面部１０の内面の下方部位には、後側に寄った位置に開閉機Ｍを支持する取付台１９が固定されている。図１０に示すように、取付台１９は、方形状のベース１９０と、ベース１９０の第１辺から立ち上がる第１垂直片１９１と、ベース１９０の第２辺から立ち上がる第２垂直片１９２とからなる。第１垂直片１９１は、ベース１９０の第１辺から立ち上がる第１部分１９１０と、ベース１９０の第１辺を越えて延びる第２部分１９１１とから横長方形状の垂直面となっている。取付台１９は第１垂直片１９１を介してブラケット１の面部１０の内面に固定され、第２垂直片１９２に対して開閉機Ｍの一端側が取り付けられる。 A mounting base 19 for supporting the switch M is fixed to a lower portion of the inner surface of the surface portion 10 of the bracket 1 on the drive side at a position closer to the rear side. As shown in FIG. 10, the mounting base 19 includes a rectangular base 190, a first vertical piece 191 rising from the first side of the base 190, and a second vertical piece 192 rising from the second side of the base 190. .. The first vertical piece 191 is a horizontal rectangular vertical surface from a first portion 1910 rising from the first side of the base 190 and a second portion 1911 extending beyond the first side of the base 190. The mounting base 19 is fixed to the inner surface of the surface portion 10 of the bracket 1 via the first vertical piece 191, and one end side of the switch M is attached to the second vertical piece 192.

上述のように、ブラケット１の面部１０には、サイドキャップ８を係止するための係止片（下側係止片１０１）が切り起し形成されることで、面部１０に開口１０１２が形成されており、シャッターケース内には、駆動側のブラケット１の面部１０に開閉機Ｍが固定されており、面部１０に形成された開口１０１２と当該面部１０に支持されている開閉機Ｍは近い位置にある。開閉機Ｍは、構成要素の一部に可燃要素である樹脂を含んでおり、また、開閉機Ｍは、機械要素間にグリスを有していることから、駆動側のブラケット１の面部１０の開口１０１２の近傍に位置して可燃要素が存在することになる。 As described above, an opening 1012 is formed in the surface portion 10 by cutting and raising a locking piece (lower locking piece 101) for locking the side cap 8 on the surface portion 10 of the bracket 1. In the shutter case, the switch M is fixed to the surface 10 of the bracket 1 on the drive side, and the opening 1012 formed in the surface 10 and the switch M supported by the surface 10 are close to each other. In position. Since the switch M contains a resin which is a combustible element as a part of the constituent elements and the switch M has grease between the mechanical elements, the surface portion 10 of the bracket 1 on the drive side A flammable element will be present in the vicinity of the opening 1012.

取付台１９の第１垂直片１９１の第２部分１９１１は、下側係止片１０１が形成された部位を面部１０の内面から覆うように位置しており、第２部分１９１１の面部が開口１０１２の周囲の面部に当接することで、下側係止片１０１近傍の開口１０１２を塞いでいる。駆動側のブラケット１の面部１０の開口１０１２（可燃要素の近傍の開口）は、当該面部１０に設けられた取付台１９の第１垂直片１９１の第２部分１９１１（閉塞板材）によって塞がれている。よって、サイドキャップ８が燃え落ちた後に、ブラケット１の面部１０に形成された開口１０１２を通じて開閉機Ｍの樹脂材料が発炎することを防止することができる。 The second portion 1911 of the first vertical piece 191 of the mounting base 19 is located so as to cover the portion where the lower locking piece 101 is formed from the inner surface of the surface portion 10, and the surface portion of the second portion 1911 has an opening 1012. The opening 1012 in the vicinity of the lower locking piece 101 is closed by abutting on the surrounding surface portion of the. The opening 1012 (opening near the combustible element) of the surface portion 10 of the bracket 1 on the drive side is closed by the second portion 1911 (blocking plate material) of the first vertical piece 191 of the mounting base 19 provided on the surface portion 10. ing. Therefore, it is possible to prevent the resin material of the switch M from inflaming through the opening 1012 formed in the surface portion 10 of the bracket 1 after the side cap 8 burns down.

ガイドレール下地枠３は、窓開口部の高さ方向に垂直に延びる長尺部材であり、図５に示すように、外壁Ｗから離間するように見込方向に延びる側辺３０と、側辺３０の先端に係止された係止部３１と、側辺３０の先端側部位３００において見付方向に延びる先端側見付片３２と、先端側見付片３２から見込方向に延びる連結片３３と、側辺３０の基端側で先端側見付片３２と反対側に延びる第１基端側見付辺３４と第１基端側見付辺３４と反対側（先端側見付片３２と同じ側）に延びる第２基端側見付辺３５と、を備えている。ガイドレール下地枠３の上端には、シャッターカーテン５の全開時にシャッターカーテン５の下端部位に設けたブロック状の当接部５２が当接するストッパ３９（図２、図１１参照）が取り付けられている。 The guide rail base frame 3 is a long member extending perpendicularly to the height direction of the window opening, and as shown in FIG. 5, a side side 30 extending in the prospective direction so as to be separated from the outer wall W and a side side 30. A locking portion 31 locked to the tip of the surface, a tip side finding piece 32 extending in the finding direction at the tip side portion 300 of the side side 30, and a connecting piece 33 extending in the prospecting direction from the tip side finding piece 32. , The first base end side finding side 34 extending to the opposite side of the tip side finding piece 32 on the base end side of the side side 30, and the opposite side to the first base end side finding side 34 (the tip side finding piece 32). It is provided with a second base end side finding side 35 extending to the same side). A stopper 39 (see FIGS. 2 and 11) is attached to the upper end of the guide rail base frame 3 so that a block-shaped contact portion 52 provided at the lower end portion of the shutter curtain 5 abuts when the shutter curtain 5 is fully opened. ..

図４、図５に示すように、ガイドレール下地枠３は、第１基端側見付辺３４を外壁Ｗに当接させた状態で、第１基端側見付辺３４を螺子３６で外壁Ｗに固定することで取り付けられている。第２基端側見付辺３５の裏面には難燃性ないし不燃性の熱膨張耐火部材３７が高さ方向に亘って（熱膨張耐火部材３７が設けられる位置は、高さ方向の一部、例えば、下方部位のみであってもよく、全高であってもよい）設けてある。第１基端側見付辺３４が外壁Ｗに当接した状態において、第２基端側見付辺３５は外壁Ｗに対して離間対向しており、第２基端側見付辺３５の裏面と外壁Ｗの間には隙間（空間）が形成されており、かかる空間に第２基端側見付辺３５の裏面に設けた熱膨張耐火部材３７が位置している。第２基端側見付辺３５の裏面には、熱膨張耐火部材３７の外側に位置して水密部材３８が高さ方向に亘って設けてあり、第２基端側見付辺３５と外壁Ｗとの隙間を高さ方向に亘って塞いでいる。水密部材３８（ガイドレール下地枠３が外壁Ｗに取り付けられた状態）は、発泡前の熱膨張耐火部材３７よりも大きい厚さを備えており、第２基端側見付辺３５の裏面と外壁Ｗの間に熱膨張耐火部材３７を発泡可能な状態で収容する隙間（空間）を形成している。 As shown in FIGS. 4 and 5, in the guide rail base frame 3, the first base end side found side 34 is brought into contact with the outer wall W, and the first base end side found side 34 is screwed 36. It is attached by fixing it to the outer wall W. A flame-retardant or non-flammable thermal expansion refractory member 37 extends in the height direction on the back surface of the second base end side finding side 35 (the position where the thermal expansion refractory member 37 is provided is a part in the height direction). (For example, it may be only the lower part or the total height). In a state where the first base end side finding side 34 is in contact with the outer wall W, the second base end side finding side 35 is separated and opposed to the outer wall W, and the second base end side finding side 35 is opposed to the outer wall W. A gap (space) is formed between the back surface and the outer wall W, and the thermal expansion fireproof member 37 provided on the back surface of the second base end side finding side 35 is located in such a space. On the back surface of the second base end side found side 35, a watertight member 38 located outside the thermal expansion refractory member 37 is provided over the height direction, and the second base end side found side 35 and the outer wall are provided. The gap with W is closed in the height direction. The watertight member 38 (the state in which the guide rail base frame 3 is attached to the outer wall W) has a thickness larger than that of the thermal expansion refractory member 37 before foaming, and has a thickness with the back surface of the second base end side found side 35. A gap (space) is formed between the outer walls W to accommodate the thermal expansion refractory member 37 in a foamable state.

熱膨張耐火部材３７は、高さ方向に延びる長尺状の板体ないしシート体であり、窓開口部全閉状態において、火災時に熱膨張耐火部材３７が所定温度以上に加熱されると、熱膨張耐火部材３７は発泡・膨張し、ガイドレール下地枠３の熱変形等に伴って側辺３０の基端側部位と外壁Ｗとに形成され得る隙間を高さ方向に亘って閉塞し、ガイドレール下地枠３と外壁Ｗとの間からの火の回りを防止してガイドレール下地枠３の基端側部位の防火性能を確保する。水密部材３８は、典型的にはゴム材料から形成された水密ゴムであり、このような水密部材の材料は当業者において公知であるので詳細な説明は省略する。水密部材３８は、第２基端側見付辺３５と外壁Ｗの間の隙間に雨水が浸水することを防止し熱膨張耐火部材３７が水と直接接触することを可及的に防止している。 The thermal expansion fire resistant member 37 is a long plate body or sheet body extending in the height direction, and when the thermal expansion fire resistant member 37 is heated to a predetermined temperature or higher at the time of a fire in a state where the window opening is fully closed, heat is generated. The expansion fireproof member 37 foams and expands, and the gap that can be formed between the base end side portion of the side side 30 and the outer wall W due to thermal deformation of the guide rail base frame 3 is closed over the height direction to guide the guide. Preventing the rotation of fire from between the rail base frame 3 and the outer wall W to ensure the fire protection performance of the base end side portion of the guide rail base frame 3. The watertight member 38 is typically a watertight rubber formed of a rubber material, and since the material of such a watertight member is known to those skilled in the art, detailed description thereof will be omitted. The watertight member 38 prevents rainwater from infiltrating into the gap between the second base end side finding side 35 and the outer wall W, and prevents the thermal expansion refractory member 37 from coming into direct contact with water as much as possible. There is.

ガイドレール４は、窓開口部の高さ方向に垂直に延びる長尺部材であり、躯体（外壁Ｗ）から遠い側の側辺（屋外側見付辺）４０と、躯体（外壁Ｗ）に近い側の側辺４１と、底辺４２と、から平面視略コ字状の形状を有しており、対向する側辺４０、４１間にシャッターカーテン５の幅方向両端部を受け入れて上下方向に案内するガイド溝４５が形成されている。より詳しくは、図５に示すように、側辺４０、４１の先端には、先端側見込部４００、４１０が対向して突成されており、先端側見込部４００、４１０には消音材（図示せず）が対向状に設けられ、消音材間にガイド溝４５の開口が形成されている。ガイドレール４は開口全高に対応する高さを備えており、下枠６の下端（底辺６２）からシャッターケース７に達するまで垂直状に延びている。ガイドレール４の側辺４０、４１の上端部位４０１、４１１は拡開状に形成されており、シャッターケース７の下方部位内に延出している。 The guide rail 4 is a long member extending vertically in the height direction of the window opening, and is close to the side side (outdoor side found side) 40 far from the skeleton (outer wall W) and the skeleton (outer wall W). It has a substantially U-shaped shape in a plan view from the side side 41 and the bottom side 42, and accepts both ends of the shutter curtain 5 in the width direction between the opposite side sides 40 and 41 and guides them in the vertical direction. A guide groove 45 is formed. More specifically, as shown in FIG. 5, the tip side prospects 400 and 410 are projected so as to face each other at the tips of the side sides 40 and 41, and the tip side prospects 400 and 410 are made of a sound deadening material (sound deadening material). (Not shown) are provided so as to face each other, and an opening of the guide groove 45 is formed between the sound deadening materials. The guide rail 4 has a height corresponding to the total height of the opening, and extends vertically from the lower end (bottom side 62) of the lower frame 6 until it reaches the shutter case 7. The upper end portions 401 and 411 of the side sides 40 and 41 of the guide rail 4 are formed in an expanded shape and extend into the lower portion of the shutter case 7.

ガイドレール４の底辺側にはガイドレール下地枠３の係止部３１に係止する係止部４３及びガイドレール下地枠３の連結片３３に連結する連結片４４が一体形成されている。より詳しくは、側辺４１の基端側は、底辺４２を越えて、窓開口部から離れるように延びる延出辺４１´が形成されており、ガイドレール４の底辺４２には、躯体（外壁Ｗ）側に向かって、窓開口部から離れる方向に平面視傾斜状に延びる外側底辺４２´が形成されており、外側底辺４２´が側辺４１の延出辺４１´の先端側部位を支持している。延出辺４１´の先端には、係止部４３が一体形成されている。延出辺４１´には、底辺４２寄りに位置して、躯体（外壁Ｗ）に向かって延びる連結片４４が一体形成されている。ガイドレール下地枠３に連結されて支持されたガイドレール４は当業者において良く知られており、ガイドレール下地枠３とガイドレール４の連結は図示の態様に限定されるものではない。 On the bottom side of the guide rail 4, a locking portion 43 that locks to the locking portion 31 of the guide rail base frame 3 and a connecting piece 44 that connects to the connecting piece 33 of the guide rail base frame 3 are integrally formed. More specifically, the base end side of the side side 41 is formed with an extending side 41 ′ extending beyond the bottom side 42 so as to be away from the window opening, and the bottom side 42 of the guide rail 4 is formed with a skeleton (outer wall). An outer bottom side 42'extending in a plan view inclined toward the W) side is formed in a direction away from the window opening, and the outer bottom side 42'supports the tip end side portion of the extending side 41'of the side side 41. is doing. A locking portion 43 is integrally formed at the tip of the extending side 41'. On the extending side 41', a connecting piece 44 located near the bottom side 42 and extending toward the skeleton (outer wall W) is integrally formed. The guide rail 4 connected to and supported by the guide rail base frame 3 is well known to those skilled in the art, and the connection between the guide rail base frame 3 and the guide rail 4 is not limited to the illustrated embodiment.

シャッターカーテン５は、開口幅方向に延びる長尺状のスラット５０を上下に連結して形成されており、下端の座板５１の幅方向両端部にはブロック状の当接部５２が設けてある。シャッターカーテン５は、スラット５０の幅方向両端部がガイドレール４の溝部に案内されながら昇降して開口部を開閉する。開口部全開時にはシャッターカーテン５の下端の座板５１に設けた当接部５２がガイドレール下地枠３の上端部位に設けたストッパ３９に当接する。開口部全閉時にはシャッターカーテン５の下端の座板５１の下方部位が下枠６の先端側の凹部６００にあいじゃくり状に受け入れられる。 The shutter curtain 5 is formed by vertically connecting long slats 50 extending in the opening width direction, and block-shaped contact portions 52 are provided at both ends of the seat plate 51 at the lower end in the width direction. .. The shutter curtain 5 moves up and down while being guided by the groove portion of the guide rail 4 at both ends in the width direction of the slats 50 to open and close the opening. When the opening is fully opened, the contact portion 52 provided on the seat plate 51 at the lower end of the shutter curtain 5 comes into contact with the stopper 39 provided at the upper end portion of the guide rail base frame 3. When the opening is fully closed, the lower portion of the seat plate 51 at the lower end of the shutter curtain 5 is received in a recess 600 on the tip end side of the lower frame 6 in a jerky manner.

本実施形態では、ガイドレール下地枠３は基端側において外壁Ｗ（躯体）に固定されており、また、下端において下枠６に螺子（図示せず）によって連結されているが、風圧によってガイドレール下地枠３の先端側が外側に変形すると、スラット５０がガイドレール４の溝部から抜け出てしまうおそれがある。本実施形態では、ガイドレール下地枠３の外側への変形を規制して耐風圧性能を向上させるべく、ブラケット１の下端部位にガイドレール下地枠３の上端部位の変形を規制する下地枠規制構造を設けた。下地枠規制構造は、ブラケット１の下端に設けられ、ガイドレール下地枠３の上端よりも下方に延びる下地枠規制片１７０と、ガイドレール下地枠３の先端側に設けられた、下地枠規制片１７０の被当接部（先端側部位３００、連結片４４）と、下地枠規制片１７０が被当接部に当接することで、ガイドレール下地枠３及びガイドレール４の左右方向の振れを規制している。本実施形態では、ガイドレール下地枠３はアルミサッシ用、樹脂サッシ用の２種類が用いられ、図１４にアルミサッシ用の下地枠規制構造、図１５に樹脂サッシ用の下地枠規制構造を示す。 In the present embodiment, the guide rail base frame 3 is fixed to the outer wall W (framework) on the base end side, and is connected to the lower frame 6 at the lower end by a screw (not shown), but is guided by wind pressure. If the tip end side of the rail base frame 3 is deformed outward, the slats 50 may come out of the groove portion of the guide rail 4. In the present embodiment, in order to regulate the deformation of the guide rail base frame 3 to the outside and improve the wind pressure resistance performance, the base frame regulation structure that regulates the deformation of the upper end portion of the guide rail base frame 3 at the lower end portion of the bracket 1. Was provided. The base frame restricting structure is provided at the lower end of the bracket 1, the base frame restricting piece 170 extending below the upper end of the guide rail base frame 3, and the base frame restricting piece provided at the tip end side of the guide rail base frame 3. The contacted portion of 170 (tip side portion 300, connecting piece 44) and the base frame restricting piece 170 abut against the contacted portion to regulate the lateral runout of the guide rail base frame 3 and the guide rail 4. is doing. In the present embodiment, two types of guide rail base frames 3 are used, one for aluminum sashes and the other for resin sashes. FIG. 14 shows a base frame regulation structure for aluminum sashes, and FIG. 15 shows a base frame regulation structure for resin sashes. ..

図１４に示す態様では、ブラケット１の下端部位の基端側下面１７の先端には垂下状の下地枠規制片１７０が形成されている。ブラケット１の下端とガイドレール下地枠３の上端は当接しており、下地枠規制片１７０は、ガイドレール下地枠３の側辺３０の先端側部位３００と連結片３３と先端側見付片３２で囲まれた平面視コ字状の溝部内に先端側部位と連結片３３に垂直で先端側見付片３２に平行して位置している。下地枠規制片１７０の幅方向一端は先端側部位３００に近接しており、他端は連結片３３に近接している。実際には、ガイドレール下地枠３とガイドレール４が連結された状態において、ガイドレール下地枠３の連結片３３の内側にはガイドレール４の連結片４４が位置する（図１２参照）。風圧を受けてガイドレール下地枠３の上端部位が外側に開くように変形しようとすると、下地枠規制片１７０の幅方向一方の端部が連結片４４の内面に当接することで、ガイドレール下地枠３の上方部位の外側への移動が規制される。ガイドレール下地枠３の上方部位の内側への変形も下地枠規制片１７０によって規制され得る。 In the embodiment shown in FIG. 14, a hanging-shaped base frame restricting piece 170 is formed at the tip of the base end side lower surface 17 of the lower end portion of the bracket 1. The lower end of the bracket 1 and the upper end of the guide rail base frame 3 are in contact with each other. It is located in a U-shaped groove in a plan view surrounded by, perpendicular to the tip side portion and the connecting piece 33 and parallel to the tip side found piece 32. One end in the width direction of the base frame restricting piece 170 is close to the tip end side portion 300, and the other end is close to the connecting piece 33. Actually, in a state where the guide rail base frame 3 and the guide rail 4 are connected, the connecting piece 44 of the guide rail 4 is located inside the connecting piece 33 of the guide rail base frame 3 (see FIG. 12). When an attempt is made to deform the upper end portion of the guide rail base frame 3 so as to open outward due to wind pressure, one end of the base frame restricting piece 170 in the width direction comes into contact with the inner surface of the connecting piece 44, so that the guide rail base is formed. The movement of the upper part of the frame 3 to the outside is restricted. The inward deformation of the upper portion of the guide rail base frame 3 can also be regulated by the base frame control piece 170.

図１５に示す態様では、ブラケット１の面部１０の下端部位の所定位置に下地枠規制金具１７´が取り付けられており、下地枠規制金具１７´にはブラケット１の下端から下方に延びる垂下状の下地枠規制片１７０´が形成されている。ブラケット１の下端とガイドレール下地枠３の上端は当接しており、下地枠規制片１７０´は、ガイドレール下地枠３の側辺３０の先端側部位３００と連結片３３と先端側見付片３２で囲まれた平面視コ字状の溝部内に先端側部位と連結片３３に垂直で先端側見付片３２に平行して位置している。下地枠規制片１７０´の幅方向一端は先端側部位３００に近接しており、他端は連結片３３に近接している。実際には、ガイドレール下地枠３とガイドレール４が連結された状態において、ガイドレール下地枠３の連結片３３の内側にはガイドレール４の連結片４４が位置する（図１２参照）。風圧を受けてガイドレール下地枠３の上端部位が外側に開くように変形しようとすると、下地枠規制片１７０´の幅方向一方の端部が連結片４４の内面に当接することで、ガイドレール下地枠３の上方部位の外側への移動が規制される。ガイドレール下地枠３の上方部位の内側への変形も下地枠規制片１７０´によって規制され得る。 In the embodiment shown in FIG. 15, the base frame restricting metal fitting 17'is attached to a predetermined position of the lower end portion of the surface portion 10 of the bracket 1, and the base frame restricting metal fitting 17' has a hanging shape extending downward from the lower end of the bracket 1. The base frame regulation piece 170'is formed. The lower end of the bracket 1 and the upper end of the guide rail base frame 3 are in contact with each other. It is located in a U-shaped groove in a plan view surrounded by 32, perpendicular to the tip side portion and the connecting piece 33, and parallel to the tip side found piece 32. One end in the width direction of the base frame restricting piece 170'is close to the tip end side portion 300, and the other end is close to the connecting piece 33. Actually, in a state where the guide rail base frame 3 and the guide rail 4 are connected, the connecting piece 44 of the guide rail 4 is located inside the connecting piece 33 of the guide rail base frame 3 (see FIG. 12). When the upper end portion of the guide rail base frame 3 is deformed so as to open outward due to wind pressure, one end of the base frame restricting piece 170'in the width direction comes into contact with the inner surface of the connecting piece 44, so that the guide rail The movement of the upper portion of the base frame 3 to the outside is restricted. The inward deformation of the upper portion of the guide rail base frame 3 can also be regulated by the base frame control piece 170'.

ブラケット１の面部１０の下端（基端側下面１７）とガイドレール下地枠３の上端（側辺３０の上端３０´であり、上端３０´には先端側部位３００の上端を含む）とは当接しており（図１１、図１２参照）、ブラケット１の面部１０の外面とガイドレール下地枠３の側辺３０の外面は同一垂直面上に位置している（図４、図８、図１１参照）。ブラケット１の面部１０の外面の下端部位には、ブラケット１の面部１０の下端部位とガイドレール下地枠３の側辺３０の上端部位に跨るようにカバープレート２０が設けてあり、カバープレート２０によって、ブラケット１の面部１０の基端側下面１７とガイドレール下地枠３の側辺３０の上端３０´の当接部位を側方から塞いでいる。カバープレート２０は、左右のブラケット１の下端部位と左右のガイドレール下地枠３の上端部位に跨るように左右両側に設けられる。カバープレート２０は、ブラケット１の面部１０の下端とガイドレール下地枠３の上端の当接部位に形成し得る防火上不利な隙間を塞ぐことができる。 The lower end of the face portion 10 of the bracket 1 (lower surface 17 on the base end side) and the upper end of the guide rail base frame 3 (the upper end 30'of the side side 30 and the upper end 30'includes the upper end of the tip side portion 300). They are in contact with each other (see FIGS. 11 and 12), and the outer surface of the surface portion 10 of the bracket 1 and the outer surface of the side side 30 of the guide rail base frame 3 are located on the same vertical surface (FIGS. 4, 8, and 11). reference). A cover plate 20 is provided at the lower end portion of the outer surface of the surface portion 10 of the bracket 1 so as to straddle the lower end portion of the surface portion 10 of the bracket 1 and the upper end portion of the side side 30 of the guide rail base frame 3. The contact portion between the lower surface 17 on the base end side of the surface portion 10 of the bracket 1 and the upper end 30'of the side side 30 of the guide rail base frame 3 is closed from the side. The cover plates 20 are provided on both the left and right sides so as to straddle the lower end portions of the left and right brackets 1 and the upper end portions of the left and right guide rail base frames 3. The cover plate 20 can close a gap that may be disadvantageous in terms of fire protection at the contact portion between the lower end of the surface portion 10 of the bracket 1 and the upper end of the guide rail base frame 3.

図１３に示すように、カバープレート２０は、水平状に延びる上縁２００、水平状に延びる下縁２０１、基端側縦縁２０２、先端側縦縁２０３から形成された横長のプレートであり、上半部には、カバープレート２０をブラケット１の面部の外側の下端部位に固定する螺子２０５用の孔２０４が形成されている。カバープレート２０の上縁２００の先端側の半円状の切欠き２０６は下地枠規制片１７１´（図１５参照）を固定するための螺子を逃がすための切り欠きである。 As shown in FIG. 13, the cover plate 20 is a horizontally long plate formed from a horizontally extending upper edge 200, a horizontally extending lower edge 201, a base end side vertical edge 202, and a tip end side vertical edge 203. A hole 204 for a screw 205 for fixing the cover plate 20 to the outer lower end portion of the surface portion of the bracket 1 is formed in the upper half portion. The semicircular notch 206 on the tip end side of the upper edge 200 of the cover plate 20 is a notch for releasing a screw for fixing the base frame regulation piece 171'(see FIG. 15).

本実施形態では、図１１右図に示すように、ブラケット１の面部１０の外面とガイドレール下地枠３の側辺３０の外面が同一垂直面上にあり、カバープレート２０は、垂直姿勢でブラケット１の面部１０の外面の下端部位とガイドレール下地枠３の側辺３０の外面の上端部位間に跨るように延びている。なお、ブラケット１の面部１０の外面とガイドレール下地枠３の側辺３０の外面が同一垂直面上に無い場合には、カバープレート２０の形状は、上記２つの外面の沿うような断面形状（例えば、ブラケット１の面部１０の外面に当接する上側垂直面、ガイドレール下地枠３の側辺３０の外面に当接する下側垂直面、上側垂直面の下端と下側垂直面の上端を連結する中間水平面）となる。 In the present embodiment, as shown in the right figure of FIG. 11, the outer surface of the surface portion 10 of the bracket 1 and the outer surface of the side side 30 of the guide rail base frame 3 are on the same vertical surface, and the cover plate 20 is a bracket in a vertical posture. It extends so as to straddle between the lower end portion of the outer surface of the surface portion 10 of 1 and the upper end portion of the outer surface of the side side 30 of the guide rail base frame 3. When the outer surface of the surface portion 10 of the bracket 1 and the outer surface of the side side 30 of the guide rail base frame 3 are not on the same vertical surface, the shape of the cover plate 20 is a cross-sectional shape that follows the above two outer surfaces. For example, the upper vertical surface that abuts on the outer surface of the surface portion 10 of the bracket 1, the lower vertical surface that abuts on the outer surface of the side side 30 of the guide rail base frame 3, and the lower end of the upper vertical surface and the upper end of the lower vertical surface are connected. Intermediate vertical plane).

カバープレート２０は、ブラケット１の面部１０の基端側下面１７とガイドレール下地枠３の側辺３０の上端３０´の当接部位を略全幅に亘って覆い、さらに、カバープレート２０の先端側は、ブラケット１の下端とガイドレール下地枠３の上端との当接部位を越えてガイドレール４の上端部位にまで延びており、カバープレート２０の基端側縦縁２０２は、躯体（外壁Ｗ）に近接している。本実施形態では、ブラケット１の前側下面１５は、ブラケット１の面部１０の基端側下面１７とガイドレール下地枠３の側辺３０の上端３０´の当接部よりも下方に位置しており、カバープレート２０の下縁２０１は、ブラケット１の前側下面１５と略同じ高さに位置する。図３に示すように、カバープレート２０の下縁２０１は、サイドキャップ８の下面（前側下縁部８５と後側下縁部８６）よりも上方に位置しており、カバープレート２０は、ブラケット１に被着されるサイドキャップ８によって隠蔽され、外部に露出することがない。 The cover plate 20 covers the contact portion between the lower surface 17 on the base end side of the surface portion 10 of the bracket 1 and the upper end 30'of the side side 30 of the guide rail base frame 3 over substantially the entire width, and further covers the tip end side of the cover plate 20. Extends beyond the contact portion between the lower end of the bracket 1 and the upper end of the guide rail base frame 3 to the upper end portion of the guide rail 4, and the base end side vertical edge 202 of the cover plate 20 is a skeleton (outer wall W). ) Is close. In the present embodiment, the front lower surface 15 of the bracket 1 is located below the contact portion between the base end side lower surface 17 of the surface portion 10 of the bracket 1 and the upper end 30'of the side side 30 of the guide rail base frame 3. The lower edge 201 of the cover plate 20 is located at substantially the same height as the front lower surface 15 of the bracket 1. As shown in FIG. 3, the lower edge 201 of the cover plate 20 is located above the lower surface of the side cap 8 (front lower edge 85 and rear lower edge 86), and the cover plate 20 is a bracket. It is concealed by the side cap 8 attached to 1 and is not exposed to the outside.

下枠６は、開口部の幅方向に延びる長尺枠体であって、図２、図６に示すように、下枠６は、外壁Ｗから離間する方向に下向き傾斜状に延びる上面６０と、上面６０の先端の垂下辺６１、底辺６２、立ち上がり辺６３と、上面６０の基端側で上方に延びる基端側上辺６４と、上面６０の基端側で下方に延びる基端側下辺６５と、上面６０の下面と基端側下辺６５を連結する傾斜状の連結辺６６と、からなる。下枠６の先端側には上面６０の先端の垂下辺６１、底辺６２、立ち上がり辺６３から凹部６００が形成されており、開口部全閉時にはシャッターカーテン５の下端の座板５１の下方部位が下枠６の先端側の凹部６００にあいじゃくり状に受け入れられる（図２）。 The lower frame 6 is a long frame body extending in the width direction of the opening, and as shown in FIGS. 2 and 6, the lower frame 6 has an upper surface 60 extending downward in a direction away from the outer wall W. , The hanging side 61, the bottom side 62, the rising side 63 of the tip of the upper surface 60, the base end side upper side 64 extending upward on the base end side of the upper surface 60, and the base end side lower side 65 extending downward on the base end side of the upper surface 60. And an inclined connecting side 66 connecting the lower surface of the upper surface 60 and the lower side 65 on the base end side. A recess 600 is formed from the hanging side 61, the bottom side 62, and the rising side 63 of the tip of the upper surface 60 on the tip end side of the lower frame 6, and when the opening is fully closed, the lower portion of the seat plate 51 at the lower end of the shutter curtain 5 is formed. It is received in a recess 600 on the tip side of the lower frame 6 in a jagged shape (FIG. 2).

下枠６の上面６０の基端側は、基端側上辺６４を越えて突出しており、上側当接部６４０が形成されており、連結辺６６の基端側は基端側下辺６５を越えて突出しており、下側当接部６６０が形成されている。上側当接部６４０と下側当接部６６０の先端は、同一垂直面上に位置している。図２に示すように、下枠６は、基端側上辺６４の上側当接部６４０と下側当接部６６０の先端を外壁Ｗに当接させた状態で、基端側上辺６４を螺子６７で外壁Ｗに固定することで取り付けられている。 The base end side of the upper surface 60 of the lower frame 6 protrudes beyond the base end side upper side 64, an upper contact portion 640 is formed, and the base end side of the connecting side 66 exceeds the base end side lower side 65. A lower contact portion 660 is formed. The tips of the upper contact portion 640 and the lower contact portion 660 are located on the same vertical plane. As shown in FIG. 2, in the lower frame 6, the base end side upper side 64 is screwed in a state where the upper end contact portion 640 of the base end side upper side 64 and the tip of the lower contact portion 660 are in contact with the outer wall W. It is attached by fixing it to the outer wall W at 67.

上側当接部６４０、下側当接部６６０、基端側下辺６５から空間が形成されており、基端側下辺６５の裏面には難燃性ないし不燃性の熱膨張耐火部材６８が下枠６の幅方向に亘って設けてある。基端側上辺６４の裏面には水密部材６９が下枠６の幅方向に亘って設けてある。図２に示すように、下枠６が外壁Ｗに取り付けられた状態では、基端側上辺６４と外壁Ｗの間に位置して水密部材６９が圧縮されており、基端側下辺６５の裏面と外壁Ｗの間には、熱膨張耐火部材６８の発泡を許容する隙間（空間）が形成されている。 A space is formed from the upper contact portion 640, the lower contact portion 660, and the base end side lower side 65, and a flame-retardant or non-flammable thermal expansion refractory member 68 is formed on the back surface of the base end side lower side 65. It is provided over the width direction of 6. A watertight member 69 is provided on the back surface of the base end side upper side 64 in the width direction of the lower frame 6. As shown in FIG. 2, when the lower frame 6 is attached to the outer wall W, the watertight member 69 is compressed located between the base end side upper side 64 and the outer wall W, and the back surface of the base end side lower side 65 is compressed. A gap (space) is formed between the outer wall W and the outer wall W to allow the thermal expansion refractory member 68 to foam.

熱膨張耐火部材６８は、幅方向に延びる長尺状の板体ないしシート体であり、窓開口部全閉状態において、火災時に熱膨張耐火部材６８が所定温度以上に加熱されると、熱膨張耐火部材６８は発泡・膨張し、下枠６の熱変形等に伴って基端側部位と外壁Ｗとに形成され得る隙間を幅方向に亘って閉塞し、下枠６と外側Ｗとの間からの火の回りを防止して下枠６の基端側部位の防火性能を確保する。水密部材６９は、典型的にはゴム材料から形成された水密ゴムであり、このような水密部材の材料は当業者において公知であるので詳細な説明は省略する。水密部材６９は、基端側上辺６４と外壁Ｗの間の隙間に雨水が浸水することを防止し熱膨張耐火部材６８が水と直接接触することを可及的に防止している。また、水密部材６９は、基端側上辺６４の上端部位に位置し、また、熱膨張耐火部材６８の上側に位置しており、下枠６の下面が下方から火災の熱に晒された時に、熱膨張耐火部材６８が基端側下辺６５の裏面と外壁Ｗの間で発泡することで、外部で発生した火炎が水密部材６９に引火することを防止している。 The thermal expansion fire resistant member 68 is a long plate or sheet body extending in the width direction, and when the thermal expansion fire resistant member 68 is heated to a predetermined temperature or higher at the time of a fire in a state where the window opening is fully closed, the thermal expansion fire resistant member 68 is thermally expanded. The fireproof member 68 foams and expands, closes a gap that may be formed between the base end side portion and the outer wall W due to thermal deformation of the lower frame 6 over the width direction, and is between the lower frame 6 and the outer W. The fire protection performance of the base end side portion of the lower frame 6 is ensured by preventing the rotation of the fire from the ground. The watertight member 69 is typically a watertight rubber formed of a rubber material, and since the material of such a watertight member is known to those skilled in the art, detailed description thereof will be omitted. The watertight member 69 prevents rainwater from infiltrating into the gap between the base end side upper side 64 and the outer wall W, and prevents the thermal expansion refractory member 68 from coming into direct contact with water as much as possible. Further, the watertight member 69 is located at the upper end portion of the base end side upper side 64, and is located above the thermal expansion refractory member 68, and when the lower surface of the lower frame 6 is exposed to the heat of fire from below. The thermal expansion refractory member 68 foams between the back surface of the lower side 65 on the base end side and the outer wall W, thereby preventing the flame generated from the outside from igniting the watertight member 69.

図３、図２２、図２７に示すように、シャッターケース７は、上面７０と、上側前面７１と、下側前面７２と、下面７３とを備え、ブラケット１の外形に沿った断面形状となっている。本実施形態では、シャッターケース７は、上面７０と上側前面７１からなる上側の第１部分（上板）７Ａと、下側前面７２と下面７３からなる下側の第２部分（下板）７Ｂとから分割可能に構成されている。シャッターケース７が設置された状態において、躯体に連結された上板７Ａに対して下板７Ｂが脱着可能となっており、下板７Ｂを上板７Ａから取り外すことで、いわゆる巻取シャフト２や開閉機Ｍのメンテナンスを行うようになっている。 As shown in FIGS. 3, 22, and 27, the shutter case 7 includes an upper surface 70, an upper front surface 71, a lower front surface 72, and a lower surface 73, and has a cross-sectional shape along the outer shape of the bracket 1. ing. In the present embodiment, the shutter case 7 has an upper first portion (upper plate) 7A composed of an upper surface 70 and an upper front surface 71, and a lower second portion (lower plate) 7B composed of a lower front surface 72 and a lower surface 73. It is configured to be separable from and. With the shutter case 7 installed, the lower plate 7B can be attached to and detached from the upper plate 7A connected to the skeleton, and by removing the lower plate 7B from the upper plate 7A, the so-called take-up shaft 2 and Maintenance of the switch M is performed.

上面７０は外壁Ｗから離間する方向に下向き傾斜状に延び、基端側には垂直状の立ち上がり辺７００が形成されている。上面７０は立ち上がり辺７００を外壁Ｗへ当接させた状態で螺子７０１によって外壁Ｗ（躯体）に連結される。上面７０の前端側は螺子７０２によってブラケット１の上面１１に固定されている。上側前面７１は垂直面であり、ブラケット１の上側前面１２にリベット７０３等の固定具に固定されている。上側前面７１の下端には内側（基端側ないし躯体側）に向かって折り返してなる「レ」状の被係止片７１０が形成されている。 The upper surface 70 extends downward in a direction away from the outer wall W, and a vertical rising side 700 is formed on the base end side. The upper surface 70 is connected to the outer wall W (framework) by a screw 701 in a state where the rising side 700 is in contact with the outer wall W. The front end side of the upper surface 70 is fixed to the upper surface 11 of the bracket 1 by a screw 702. The upper front surface 71 is a vertical surface, and is fixed to the upper front surface 12 of the bracket 1 by a fixture such as a rivet 703. At the lower end of the upper front surface 71, a “re” -shaped locked piece 710 that is folded back toward the inside (base end side or skeleton side) is formed.

下側前面７２は垂直面であり、上端には内側（基端側ないし躯体側）に向かって延びる水平片７２０、水平片７２０から垂直状に立ち上がる立ち上がり片７２１、立ち上がり片７２１の上端から外側に向かって折り返してなる逆「レ」状の係止片７２２が形成されている。下面７３は水平面であり、躯体側の端部には立ち上がり片７３０が形成されている。下板７Ｂは、係止片７２２を上板７Ａの被係止片７１０に引っ掛けることで、上板７Ａから吊持させ、下板７Ｂの下面７３をブラケット１の前側下面１５に下側から当接させた状態でブラケット１にサイドキャップ８を被着させ、ブラケット１の前側下面１５を覆うサイドキャップ８の前側下縁部８５から螺子８５２に連結されている。上面７０において、躯体に螺子７０１で固定され、ブラケットの上面１１に螺子７０２で固定された上板７Ａに対して、下板７Ｂの上側部位を係止させ、下側部位をブラケット１に固定することで、シャッターケース７を形成するようになっている。 The lower front surface 72 is a vertical surface, and at the upper end is a horizontal piece 720 extending inward (base end side or skeleton side), a rising piece 721 rising vertically from the horizontal piece 720, and outward from the upper end of the rising piece 721. An inverted "re" -shaped locking piece 722 that is folded back toward it is formed. The lower surface 73 is a horizontal plane, and a rising piece 730 is formed at the end on the skeleton side. The lower plate 7B is suspended from the upper plate 7A by hooking the locking piece 722 on the locked piece 710 of the upper plate 7A, and the lower surface 73 of the lower plate 7B hits the front lower surface 15 of the bracket 1 from the lower side. The side cap 8 is attached to the bracket 1 in the state of being in contact with the bracket 1, and is connected to the screw 852 from the front lower edge portion 85 of the side cap 8 that covers the front lower surface 15 of the bracket 1. On the upper surface 70, the upper portion of the lower plate 7B is locked to the upper plate 7A fixed to the skeleton by the screw 701 and fixed to the upper surface 11 of the bracket by the screw 702, and the lower portion is fixed to the bracket 1. As a result, the shutter case 7 is formed.

左右のブラケット１の面部１０の前側かつ上側間には上側ケースアングル材７４（図３参照）が設けてあり、シャッターケース７の上面７０の先端側部位が支持されている。本実施形態では、下側ケースアングル材は設けられておらず、シンプルな構造となっている。開閉機Ｍの近傍にケースアングル材が無いので、開閉機Ｍのメンテナンス性が向上する。 An upper case angle member 74 (see FIG. 3) is provided between the front side and the upper side of the surface portions 10 of the left and right brackets 1 to support the tip end side portion of the upper surface 70 of the shutter case 7. In this embodiment, the lower case angle material is not provided, and the structure is simple. Since there is no case angle material in the vicinity of the switch M, the maintainability of the switch M is improved.

シャッターケース７は、さらに、裏面ケース７５を備えている。裏面ケース７５はシャッターケース７の基端側に位置して外壁Ｗに近接して沿って延びる後面７５０（図示の態様では、側面視傾斜状に延びている）と、後面７５０の上端から傾斜状に延びる上面７５１と、後面７５０の下端の水平状の下面７５２と、下面７５２の先端の立ち上がり辺７５３を備えている。上面７５１の幅方向両端部は、ブラケット１の上端の上面１１に連結されており、下面７５２の幅方向両端部は、ブラケット１の下端の基端側下面１７に連結されている。裏面ケース７５の下面７５２には、開閉機Ｍの他端の支持部２２が設けられ、また、ＨＥＭＳ電源装置２３が設けられる。 The shutter case 7 further includes a back surface case 75. The back surface case 75 is located on the base end side of the shutter case 7 and extends along the outer wall W in close proximity to the rear surface 750 (in the illustrated embodiment, extends in a laterally inclined shape) and an inclined shape from the upper end of the rear surface 750. It is provided with an upper surface 751 extending to the surface, a horizontal lower surface 752 at the lower end of the rear surface 750, and a rising side 753 at the tip of the lower surface 752. Both ends in the width direction of the upper surface 751 are connected to the upper surface 11 at the upper end of the bracket 1, and both ends in the width direction of the lower surface 752 are connected to the lower surface 17 on the base end side of the lower end of the bracket 1. A support portion 22 at the other end of the switch M is provided on the lower surface 752 of the back surface case 75, and a HEMS power supply device 23 is provided.

図１６に示すように、サイドキャップ８は、ブラケット１に被着された状態で上下方向かつ前後方向に延びる面部８０と、ブラケット１の周縁及びシャッターケース７の幅方向両端の外面を覆う上側縁部８１、上側前縁部８２、前側凹部８３、下側前縁部８４、前側下縁部８５、後側下縁部８６、外壁Ｗに近接する後縁部８７を備えている。上側縁部８１がサイドキャップ８の上面を形成しており、前側下縁部８５と後側下縁部８６からサイドキャップ８の下面が形成されている。 As shown in FIG. 16, the side cap 8 has a surface portion 80 that extends in the vertical and front-rear directions while being attached to the bracket 1, and an upper edge that covers the peripheral edge of the bracket 1 and the outer surfaces of both ends in the width direction of the shutter case 7. A portion 81, an upper front edge portion 82, a front recessed portion 83, a lower front edge portion 84, a front side lower edge portion 85, a rear side lower edge portion 86, and a trailing edge portion 87 close to the outer wall W are provided. The upper edge portion 81 forms the upper surface of the side cap 8, and the lower surface of the side cap 8 is formed from the front lower edge portion 85 and the rear lower edge portion 86.

サイドキャップ８の面部８０の内側には、上下に離間して上側係止片８００、下側係止片８０１が形成されており、上側係止片８００、下側係止片８０１をそれぞれブラケット１の上側係止片１００、下側係止片１０１にスライド係止させることで、サイドキャップ８はブラケット１に被着される。サイドキャップ８の面部８０の内側には縦横方向に延びる補強リブ８０２、８０３、８０４、８０５、８０６が形成されている。補強リブ８０２、８０６が垂直補強リブであり、補強リブ８０３、８０４、８０５が水平補強リブである。本実施形態では、サイドキャップ８をブラケット１に被着した時に、補強リブ８０２、８０３、８０４、８０５、８０６の先端縁がブラケット１の面部１０に当接するようになっている。 An upper locking piece 800 and a lower locking piece 801 are formed inside the surface portion 80 of the side cap 8 so as to be vertically separated from each other. The side cap 8 is attached to the bracket 1 by sliding and locking the upper locking piece 100 and the lower locking piece 101. Reinforcing ribs 802, 803, 804, 805, and 806 extending in the vertical and horizontal directions are formed inside the surface portion 80 of the side cap 8. Reinforcing ribs 802 and 806 are vertical reinforcing ribs, and reinforcing ribs 803, 804 and 805 are horizontal reinforcing ribs. In the present embodiment, when the side cap 8 is attached to the bracket 1, the tip edges of the reinforcing ribs 802, 803, 804, 805, and 806 come into contact with the surface portion 10 of the bracket 1.

サイドキャップ８の前側かつ下側に位置する部位は、当該サイドキャップ８の面部８０及び縁部の一部（前側凹部８３、下側前縁部８４、前側下縁部８５）を形成する分割部９となっており、分割部９は、分割部９以外の本体部８´に対して着脱可能に構成されている。すなわち、サイドキャップ８は、本体部８´と本体部８´に着脱可能な分割部９とから構成されている。 The portion located on the front side and the lower side of the side cap 8 is a divided portion forming a surface portion 80 and a part of the edge portion (front side recess 83, lower front edge portion 84, front side lower edge portion 85) of the side cap 8. The number of the split portion 9 is 9, and the split portion 9 is configured to be removable from the main body portion 8'other than the split portion 9. That is, the side cap 8 is composed of a main body portion 8'and a split portion 9 that can be attached to and detached from the main body portion 8'.

図１７に示すように、本体部８´は、サイドキャップ８の前側かつ上側に位置する前側部位８Ａと、前側部位８Ａ以外の後側部位８Ｂとからなり、前側部位８Ａの下方かつ後側部位８Ｂの下側部位の前方の空間（切り欠き部位）に分割部９が脱着可能に取り付けられる。本体部８´は、面部８０から分割部９を除いた部位である面部８０´を備え、サイドキャップ８の上側縁部８１、上側前縁部８２、後側下縁部８６、後縁部８７を有している。 As shown in FIG. 17, the main body portion 8'consists of a front side portion 8A located on the front side and the upper side of the side cap 8 and a rear side part 8B other than the front side part 8A, and is a lower and rear side part of the front side part 8A. The split portion 9 is detachably attached to the space (notch portion) in front of the lower portion of the 8B. The main body portion 8 ′ includes a surface portion 80 ′, which is a portion obtained by removing the split portion 9 from the surface portion 80, and includes an upper edge portion 81, an upper front edge portion 82, a rear lower edge portion 86, and a trailing edge portion 87 of the side cap 8. have.

本体部８´の前側部位８Ａは、面部８０´の前側部位と、上側縁部８１の前側部位と、上側前縁部８２と、下端部８８とを備えている。上側縁部８１の基端側には垂直状に延びる立ち上がり辺８１０が一体形成されており、上側縁部８１の前方部位にはシャッターケース７の上板７Ａの上面７０を固定する螺子７０２の孔部８１１が形成されている。 The front portion 8A of the main body portion 8'includes a front portion of the surface portion 80', a front portion of the upper edge portion 81, an upper front edge portion 82, and a lower end portion 88. A vertically extending rising side 810 is integrally formed on the base end side of the upper edge portion 81, and a hole of a screw 702 for fixing the upper surface 70 of the upper plate 7A of the shutter case 7 is formed in the front portion of the upper edge portion 81. The portion 811 is formed.

前側部位８Ａの下端部８８は、水平状の縁部８８０と、縁部８８０の内面から下方に突出する突片８８１とを備えている。突片８８１の側面（面部）には、孔部を備えた筒状部８８２が内側に突成されている。本実施形態では、筒状部８８２の先端縁と補強リブ８０２の先端縁は同一面上に位置するようになっている（図１７参照）。サイドキャップ８をブラケット１に被着した状態では、筒状部８８２がブラケット１の面部１０の外面に、筒状部８８２の孔部が面部１０に形成した螺子孔８８４（図３参照）に一致して当接するようになっており、筒状部８８２の孔部から差し入れた螺子８８３によって、前側部位８Ａの下端の突片８８１をブラケット１の面部１０に固定する（図２０左図参照）。サイドキャップ８の本体部８´の前側部位８Ａの下端（分割部９の上端との接続部）をブラケット１の面部１０に固定することで、前側部位８Ａの下端が外側に開くように変形することが防止され、サイドキャップ８が折れるように変形（前側部位８Ａと分割部９が正面から見てく字状に変形）することを防止する。 The lower end portion 88 of the front side portion 8A includes a horizontal edge portion 880 and a projecting piece 881 protruding downward from the inner surface of the edge portion 880. On the side surface (face portion) of the projecting piece 881, a tubular portion 882 having a hole portion is projected inward. In the present embodiment, the tip edge of the tubular portion 882 and the tip edge of the reinforcing rib 802 are located on the same surface (see FIG. 17). When the side cap 8 is attached to the bracket 1, the cylindrical portion 882 is formed on the outer surface of the surface portion 10 of the bracket 1, and the hole portion of the tubular portion 882 is formed on the surface portion 10 with a screw hole 884 (see FIG. 3). The protrusion 883 at the lower end of the front side portion 8A is fixed to the surface portion 10 of the bracket 1 by the screw 883 inserted from the hole portion of the tubular portion 882 (see the left figure of FIG. 20). By fixing the lower end of the front side portion 8A of the main body portion 8'of the side cap 8 (the connection portion with the upper end of the split portion 9) to the surface portion 10 of the bracket 1, the lower end of the front side portion 8A is deformed so as to open outward. This is prevented, and the side cap 8 is prevented from being deformed so as to be broken (the front side portion 8A and the split portion 9 are deformed in a dogleg shape when viewed from the front).

本体部８´の後側部位８Ｂは、面部８０´の後側部位と、上側縁部８１の後側部位と、面部８０´の下側部位の前端部８９と、後側下縁部８６と、後縁部８７を備えている。後側部位の前端部８９は、縦方向の補強リブの１つによって形成された垂直状の端縁８９０と、端縁８９０から前方に突成された薄肉の縁部８９１とを備えている。 The rear portion 8B of the main body portion 8'contains the rear portion of the surface portion 80', the rear portion of the upper edge portion 81, the front end portion 89 of the lower portion of the surface portion 80', and the rear lower edge portion 86. , A trailing edge portion 87 is provided. The front end 89 of the posterior portion comprises a vertical edge 890 formed by one of the longitudinal reinforcing ribs and a thin edge 891 projecting forward from the edge 890.

図１８に示すように、分割部９は、面部８０の一部を形成する分割面部９０を備えており、サイドキャップ８の前側凹部８３、下側前縁部８４、前側下縁部８５を有している。分割面部９０は、上端部９１と、後端部９２と、前端部（前側凹部８３、下側前縁部８４）、分割下縁部（前側下縁部８５）とを備えている。分割部９が本体部８´に装着された状態において、分割面部９０の上端部９１の縁部９１０の上面が本体部８´の前側部位８Ａの下端部８８の縁部８８０の下面に当接し、分割面部９０の後端部９２の内面が本体部８´の後側部位８Ｂの前端部８９の縁部８９１の外面に当接する。なお、前側凹部８３は、上側前縁部８２、下側前縁部８４が形成する垂直面に対して凹んだ部位であり、垂直状の底片８３０と、底片８３０の下端から下側前縁部８４の上端に向かって水平に延びる下側水平片８３１と、底片８３０の上端から下側水平片８３１と平行状に延びる上側水平片８３２とからなり、分割部９を本体部８´に装着した状態において、上側水平片８３２の先端は、本体部８´の上側前縁部８２の下端の内面に当接しており、この当接部（接続部）は前側凹部８３の上端部位（上側水平片８３２）と同一高さ（上側前縁部８２の下端と上側水平片８３２の下面が同面）にあることから外部から目立たない。 As shown in FIG. 18, the divided portion 9 includes a divided surface portion 90 forming a part of the surface portion 80, and has a front concave portion 83, a lower front edge portion 84, and a front lower edge portion 85 of the side cap 8. is doing. The split surface portion 90 includes an upper end portion 91, a rear end portion 92, a front end portion (front side recess 83, lower front edge portion 84), and a split lower edge portion (front side lower edge portion 85). In a state where the split portion 9 is attached to the main body portion 8', the upper surface of the edge portion 910 of the upper end portion 91 of the split surface portion 90 abuts on the lower surface of the edge portion 880 of the lower end portion 88 of the front side portion 8A of the main body portion 8'. The inner surface of the rear end portion 92 of the split surface portion 90 abuts on the outer surface of the edge portion 891 of the front end portion 89 of the rear portion 8B of the main body portion 8'. The front concave portion 83 is a portion recessed with respect to the vertical surface formed by the upper front edge portion 82 and the lower front edge portion 84, and is a vertical bottom piece 830 and a lower front edge portion from the lower end of the bottom piece 830. It consists of a lower horizontal piece 831 extending horizontally toward the upper end of 84 and an upper horizontal piece 832 extending parallel to the lower horizontal piece 831 from the upper end of the bottom piece 830, and the divided portion 9 is attached to the main body portion 8'. In the state, the tip of the upper horizontal piece 832 is in contact with the inner surface of the lower end of the upper front edge portion 82 of the main body portion 8', and this contact portion (connecting portion) is the upper end portion (upper horizontal piece) of the front side recess 83. Since it is at the same height as 832) (the lower end of the upper front edge portion 82 and the lower surface of the upper horizontal piece 832 are on the same surface), it is not noticeable from the outside.

図１８、図２０右図に示すように、分割部９の上端部９１は、水平状に延びる縁部９１０と、縁部９１０から上方に突出する突片９１１とを備えている。分割面部９０の上端部位において、前側凹部８３に対応する高さに位置する上側部位９１２は、分割面部９０に対して内側へ凹んだ部位となっており、上側部位９１２の上端が縁部９１０となっており、突片９１１は上側部位９１２の内面から上方に突出している。突片９１１は楔形状を備えており、基端側には縁部９１０に近接して係止部９１１０が形成されている。 As shown in FIGS. 18 and 20 on the right, the upper end portion 91 of the divided portion 9 includes an edge portion 910 extending horizontally and a projecting piece 911 protruding upward from the edge portion 910. In the upper end portion of the dividing surface portion 90, the upper portion 912 located at the height corresponding to the front concave portion 83 is a portion recessed inward with respect to the dividing surface portion 90, and the upper end of the upper portion 912 is the edge portion 910. The protrusion 911 projects upward from the inner surface of the upper portion 912. The projecting piece 911 has a wedge shape, and a locking portion 9110 is formed on the base end side in the vicinity of the edge portion 910.

図２０右図に示すように、分割部９が本体部８´に装着された状態において、分割部９の上端部９１に形成された突片９１１が本体部８´の前側部位８Ａの内側（縁部８８０の内面）に当接し、本体部８´の前側部位８Ａの下端部８８に形成された突片８８１が分割部９の内側（上側部位９１２の内面）に当接する。分割部９が本体部８´に装着された状態において、突片９１１の係止部９１１０が前側部位８Ａの下端部８８の縁部８８０に係止するようになっている。分割部９が本体部８´に装着された状態において、サイドキャップ８の側面（面部８０の外面）には分割部９の上側部位９１２によって側面視水平状の凹部８３´が形成されており、凹部８３´は、サイドキャップ８の側面（面部８０の外面が形成する垂直面）に対して凹んだ部位であり、サイドキャップ８の前側凹部８３と同じ高さ幅を備えており、前側凹部８３、凹部８３´がサイドキャップ８の側面から前面に亘って連続状に形成されている。 As shown in the right figure of FIG. 20, in a state where the split portion 9 is attached to the main body portion 8', the projecting piece 911 formed on the upper end portion 91 of the split portion 9 is inside the front side portion 8A of the main body portion 8'. The inner surface of the edge portion 880) is abutted, and the projecting piece 881 formed at the lower end portion 88 of the front side portion 8A of the main body portion 8 ′ abuts on the inside of the split portion 9 (the inner surface of the upper portion 912). In a state where the divided portion 9 is attached to the main body portion 8', the locking portion 9110 of the projecting piece 911 is locked to the edge portion 880 of the lower end portion 88 of the front side portion 8A. In a state where the split portion 9 is attached to the main body portion 8', a horizontal recess 83'is formed on the side surface of the side cap 8 (outer surface of the surface portion 80) by the upper portion 912 of the split portion 9. The recess 83'is a portion recessed with respect to the side surface of the side cap 8 (the vertical surface formed by the outer surface of the surface portion 80), has the same height and width as the front recess 83 of the side cap 8, and has the same height and width as the front recess 83. , The recess 83'is continuously formed from the side surface of the side cap 8 to the front surface.

分割部９の分割下縁部（前側下縁部８５）の前側には孔部８５０が形成されている。サイドキャップ８がブラケット１に被着された状態において、孔部８５０を通る螺子８５２によって、分割部９及び下板７Ｂの下面７３をブラケット１の前側下面１５に固定する。 A hole 850 is formed on the front side of the divided lower edge portion (front side lower edge portion 85) of the divided portion 9. With the side cap 8 attached to the bracket 1, the lower surface 73 of the split portion 9 and the lower plate 7B is fixed to the front lower surface 15 of the bracket 1 by a screw 852 passing through the hole 850.

分割下縁部（前側下縁部８５）の後側は幅狭となっており、後端８５３には上方へ突出する係止突片８５１が形成されている。本体部８´の後側部位８Ｂの前端部８９の下端には、垂直状の端縁８９０の下端と後側下縁部８６の前端との間に位置して係止受部８９２が形成されており、分割部９が本体部８´に装着される時に、分割部９の係止突片８５１が本体部８´の係止受部８９２に嵌合し、分割部９の係止突片８５１の外側の縁部８５１０が本体部８´の面部８０´の内面に当接することで、本体部８´に対して分割部９が位置決め固定され、前側下縁部８５の後端８５３と後側下縁部８６の前端８６０が当接している（図２１参照）。 The rear side of the split lower edge portion (front side lower edge portion 85) is narrow, and the rear end 853 is formed with a locking protrusion 851 that projects upward. At the lower end of the front end portion 89 of the posterior side portion 8B of the main body portion 8', a locking receiving portion 892 is formed located between the lower end of the vertical end edge 890 and the front end of the rear lower edge portion 86. When the split portion 9 is attached to the main body portion 8', the locking protrusion 851 of the split portion 9 fits into the locking receiving portion 892 of the main body portion 8', and the locking protrusion of the split portion 9 is engaged. When the outer edge portion 8510 of the 851 abuts on the inner surface of the surface portion 80'of the main body portion 8', the divided portion 9 is positioned and fixed to the main body portion 8', and the rear end 853 and the rear end portion 853 of the front lower edge portion 85 are fixed. The front end 860 of the lower side edge portion 86 is in contact with the front end portion 86 (see FIG. 21).

前側下縁部８５には、前側に位置して、分割面部９０から離間する方向に突出する突出部８５´が一体形成されている。突出部８５´は平面視方形状であり、先端縁（後述する第５縁）８５０´と左右の側縁（後述する第４縁、第６縁）８５１´、８５２´とを備えている。図１８に示すように、前側下縁部８５の縁は、後端８５３から平面視において分割面部９０に平行に延びる第１縁８５４、第１縁８５４から平面視傾斜状（前方に向かって分割面部９０から離間する方向）に延びる第２縁８５５、第２縁８５５から分割面部９０に平行に延びる第３縁８５６、第３縁８５６から平面視において分割面部９０に垂直に分割面部９０から離間する方向に延びる第４縁８５１´、第４縁８５１´の先端から平面視において分割面部９０に平行に延びる第５縁８５０´、第５縁８５０´から第４縁８５１´に平行に延びる第６縁８５２´、第６縁８５２´の基端から平面視において分割面部９０に平行に延びる第７縁８５７とからなる。 The front lower edge portion 85 is integrally formed with a protruding portion 85 ′ that is located on the front side and projects in a direction away from the divided surface portion 90. The protrusion 85'has a plan-viewing shape, and includes a tip edge (fifth edge described later) 850'and left and right side edges (fourth edge and sixth edge described later) 851'and 852'. As shown in FIG. 18, the edge of the front lower edge portion 85 has a first edge 854 extending parallel to the split surface portion 90 in a plan view from the rear end 853, and a plan view inclined shape (divided toward the front) from the first edge 854. The second edge 855 extending in the direction away from the surface portion 90), the third edge 856 extending parallel to the split surface portion 90 from the second edge 855, and the third edge 856 separated from the split surface portion 90 perpendicularly to the split surface portion 90 in a plan view. The fifth edge 850'extending parallel to the split surface portion 90 in a plan view from the tip of the fourth edge 851', the fourth edge 851' extending in the direction of It is composed of a sixth edge 852'and a seventh edge 857 extending parallel to the divided surface portion 90 in a plan view from the base end of the sixth edge 852'.

本実施形態では、サイドキャップ８の下面は、分割部９の前側下縁部８５と、本体部８´の後側下縁部８６とからなり、前側下縁部８５の後端８５３と、後側下縁部８６の前端８６０が当接している。後側下縁部８６は、平面視において面部８０に対して平行に延びる側縁８６１を備えている。図５、図１８に示すように、サイドキャップ８の下面（前側下縁部８５、後側下縁部８６）の縁部は、ガイドレール下地枠３、ガイドレール４に近接している。具体的には、側縁８６１がガイドレール下地枠３の側辺３０の外面に近接しており、第１縁８５４がガイドレール下地枠３とガイドレール４の係止部に近接しており、第２縁８５５が外側底辺４２´に近接しており、第３縁８５６が底辺４２に近接しており、第４縁８５１´がガイドレール４の側辺４０の外面に近接している。本実施形態では、サイドキャップ８の下面の突出部８５´が、ガイドレール４の屋外側見付辺４０とシャッターケース７の下面７３との間の隙間を塞いでいるので、シャッターケース７の下面７３の幅方向両端部から躯体側への浸水を可及的に防止することができる。また、サイドキャップ８の下面の突出部８５´が、ガイドレール４の屋外側の見付辺４０の拡開状の上端部位４０１を下方から隠蔽するので、外観上良好である。なお、ガイドレール４の屋外側見付辺４０とシャッターケース７の下面７３との間の隙間を塞ぐ手段としては、サイドキャップ８の下面に突出部８５´を形成することに代えて、下面７３に一体的あるいは別体で突出部（図示せず）を設けること、あるいは、ガイドレール４に別部材からなる突出部（図示せず）を設けることが挙げられる。 In the present embodiment, the lower surface of the side cap 8 is composed of a front lower edge portion 85 of the split portion 9 and a rear lower edge portion 86 of the main body portion 8 ′, and is a rear end 853 of the front lower edge portion 85 and a rear end portion 853. The front end 860 of the lower side edge portion 86 is in contact with the front end portion 86. The rear lower edge portion 86 includes a side edge 861 extending parallel to the surface portion 80 in a plan view. As shown in FIGS. 5 and 18, the edge portion of the lower surface of the side cap 8 (front side lower edge portion 85, rear side lower edge portion 86) is close to the guide rail base frame 3 and the guide rail 4. Specifically, the side edge 861 is close to the outer surface of the side side 30 of the guide rail base frame 3, and the first edge 854 is close to the locking portion of the guide rail base frame 3 and the guide rail 4. The second edge 855 is close to the outer base 42', the third edge 856 is close to the bottom 42, and the fourth edge 851'is close to the outer surface of the side 40 of the guide rail 4. In the present embodiment, the protruding portion 85'on the lower surface of the side cap 8 closes the gap between the outdoor side finding side 40 of the guide rail 4 and the lower surface 73 of the shutter case 7, so that the lower surface of the shutter case 7 is closed. It is possible to prevent water from entering the skeleton side from both ends in the width direction of 73 as much as possible. Further, the protruding portion 85'on the lower surface of the side cap 8 hides the widened upper end portion 401 of the found side 40 on the outdoor side of the guide rail 4 from below, which is good in appearance. As a means for closing the gap between the outdoor side finding side 40 of the guide rail 4 and the lower surface 73 of the shutter case 7, instead of forming the protruding portion 85'on the lower surface of the side cap 8, the lower surface 73 is formed. A protrusion (not shown) may be provided integrally or separately on the guide rail 4, or a protrusion (not shown) made of a separate member may be provided on the guide rail 4.

図５に示すように、サイドキャップ８の下面（前側下縁部８５、後側下縁部８６）は、ガイドレール下地枠３に近接する躯体側部位αと、躯体側部位αに対して屋外側に位置する屋外側部位βと、からなり、屋外側部位βは、ガイドレール４（屋外側見付辺４０）を越えて屋外側に延びる先端側部位β１を有しており、先端側部位β１には、ガイドレール４の屋外側見付辺４０の全面の屋外側に位置するように開口部中央に向かって延びる突出部８５´が形成されている。突出部８５´の側縁８５１´とガイドレール４の屋外側見付辺４０は対向近接しており、突出部８５´の先端縁８５０´とガイドレール４の見込面（ガイド溝４５の開口が形成されている先端側見込部４００、４１０）が一致している。屋外側部位βは、先端側部位β１と躯体側部位αとの間に位置し、ガイドレール４の底側部位（外側底辺４２´、底辺４２の部分）に近接する部位β２を有している。 As shown in FIG. 5, the lower surface of the side cap 8 (front side lower edge portion 85, rear side lower edge portion 86) has a skeleton side portion α close to the guide rail base frame 3 and a skeleton side portion α. The outdoor side portion β is composed of an outdoor side portion β located on the outside, and the outdoor side portion β has a tip side portion β1 extending to the outdoor side beyond the guide rail 4 (outdoor side found side 40), and is a tip side portion. The β1 is formed with a protruding portion 85 ′ extending toward the center of the opening so as to be located on the outdoor side of the entire surface of the outdoor side finding side 40 of the guide rail 4. The side edge 851'of the protrusion 85'and the outdoor side finding side 40 of the guide rail 4 are close to each other, and the tip edge 850'of the protrusion 85'and the prospective surface of the guide rail 4 (the opening of the guide groove 45 is open). The formed tip side prospects 400, 410) are in agreement. The outdoor side portion β is located between the tip side portion β1 and the skeleton side portion α, and has a portion β2 close to the bottom side portion (outer base 42', bottom 42 portion) of the guide rail 4. ..

図５に示す実施形態では、サイドキャップ８の下面は、前側下縁部８５と後側下縁部８６から形成されており、サイドキャップ８の下面の屋外側部位βは、分割部９の下面（前側下縁部８５）から形成されており、サイドキャップ８の下面の躯体側部位αは、本体部８´の下面（後側下縁部８６）から形成されている。図２４に示す実施形態では、サイドキャップ８の下面は、前側下縁部８５と後側下縁部８６から形成されており、サイドキャップ８の下面の屋外側部位βは、分割部９の下面（前側下縁部８５）から形成されており、サイドキャップ８の下面の躯体側部位αは、分割部９の下面（前側下縁部８５）の一部及び本体部８´の下面（後側下縁部８６）から形成されている。図５、図２４は例示であって、例えば、サイドキャップ８の下面を一部材から形成してもよい。 In the embodiment shown in FIG. 5, the lower surface of the side cap 8 is formed of the front lower edge portion 85 and the rear lower edge portion 86, and the outdoor side portion β of the lower surface of the side cap 8 is the lower surface of the split portion 9. It is formed from (front lower edge portion 85), and the skeleton side portion α on the lower surface of the side cap 8 is formed from the lower surface (rear side lower edge portion 86) of the main body portion 8 ′. In the embodiment shown in FIG. 24, the lower surface of the side cap 8 is formed of the front lower edge portion 85 and the rear lower edge portion 86, and the outdoor side portion β of the lower surface of the side cap 8 is the lower surface of the split portion 9. It is formed from (front side lower edge portion 85), and the skeleton side portion α on the lower surface of the side cap 8 is a part of the lower surface of the divided portion 9 (front side lower edge portion 85) and the lower surface (rear side) of the main body portion 8 ′. It is formed from the lower edge portion 86). 5 and 24 are examples, and for example, the lower surface of the side cap 8 may be formed from one member.

サイドキャップ８の面部８０の内面はブラケット１の面部１０の外面に対向しており、サイドキャップ８の面部８０の内面の少なくとも下方部位とブラケット１の面部１０の外面との間には、高さ方向に延びる当接部材としての水密部材８０７が設けてあり、水密部材８０７は、サイドキャップ８の面部８０の内面の少なくとも下方部位及びブラケット１の面部１０の外面に当接している。本実施形態では、水密部材８０７は、躯体側に寄った位置において、最下位の水平状の補強リブ８０５と後側下縁部８６の間に亘って、サイドキャップ８の面部８０の内面に固定されている（図１６、図１９（Ｃ）参照）。図２４Ａ（Ａ）に示すように、水密部材８０７は、外壁Ｗとの境界に位置して（図２４Ａ（Ｂ）参照）、サイドキャップ８の面部８０の下方部位とブラケット１の面部、ガイドレール下地枠３の側辺３０の面部との間に亘って位置しており、水密部材８０７によって、サイドキャップ８の下面（後側下縁部８６）と、ガイドレール下地枠３の側辺３０の面部及びブラケット１の面部との間に浸水した雨水が、躯体側へ浸水することを防止する。下方からの吹込み等によって、図２４Ａ（Ｂ）の矢印に示すように、サイドキャップ８の下面（後側下縁部８６）とガイドレール下地枠３の側辺３０との隙間から雨水が浸水した場合であっても、水密部材８０７は、浸水した雨水が、躯体側へ浸水することを防止する。また、最下位の水平補強リブ８０５は、下方からサイドキャップ８の下面とブラケット１の面部との間に浸水した雨水が水密部材８０７の裏側（躯体側）に上方から回り込むように浸水することを防止する。 The inner surface of the surface portion 80 of the side cap 8 faces the outer surface of the surface portion 10 of the bracket 1, and the height is at least between the lower portion of the inner surface of the surface portion 80 of the side cap 8 and the outer surface of the surface portion 10 of the bracket 1. A watertight member 807 is provided as a contact member extending in the direction, and the watertight member 807 is in contact with at least a lower portion of the inner surface of the surface portion 80 of the side cap 8 and the outer surface of the surface portion 10 of the bracket 1. In the present embodiment, the watertight member 807 is fixed to the inner surface of the surface portion 80 of the side cap 8 over between the lowermost horizontal reinforcing rib 805 and the rear lower edge portion 86 at a position closer to the skeleton side. (See FIGS. 16 and 19 (C)). As shown in FIG. 24A (A), the watertight member 807 is located at the boundary with the outer wall W (see FIG. 24A (B)), and the lower portion of the surface portion 80 of the side cap 8 and the surface portion of the bracket 1 and the guide rail. It is located between the side surface portion of the side surface 30 of the base frame 3, and is formed by the watertight member 807 on the lower surface of the side cap 8 (rear side lower edge portion 86) and the side side 30 of the guide rail base frame 3. It prevents rainwater that has entered between the surface portion and the surface portion of the bracket 1 from entering the skeleton side. As shown by the arrow in FIG. 24A (B), rainwater infiltrates from the gap between the lower surface of the side cap 8 (rear side lower edge portion 86) and the side side 30 of the guide rail base frame 3 due to blowing from below or the like. Even in such a case, the watertight member 807 prevents the flooded rainwater from flooding to the skeleton side. Further, the lowermost horizontal reinforcing rib 805 prevents rainwater that has been infiltrated between the lower surface of the side cap 8 and the surface of the bracket 1 from below so as to wrap around the back side (frame side) of the watertight member 807 from above. To prevent.

図１、図４に示すように、ガイドレール下地枠３と外壁Ｗとの固定部位に位置して、高さ方向に延びる長尺状のカバー体２４が装着されている。カバー体２４は、ガイドレール下地枠３の第１基端側見付辺３４を外壁Ｗに固定する螺子３６を覆うように高さ方向に亘って設けられる。カバー体２４は、シャッターが後付けされる場合に使用され、シャッターが先付けされる場合には、壁を仕上げる際に螺子３６が壁に覆われるので使用されない。図２２に示すように、カバー体２４はガイドレール下地枠３の側辺３０及びサイドキャップ８の本体部８´の側面（面部８０´）に沿って延びており、側辺３０に固定した取付片２５に対して取り付けられている。図４、図５に示すように、サイドキャップ８に対応する部位２４´においては、カバー体２４の一部が切り欠かれていると共に、面部８０´の外面の後側の凹部２６内に沿って延びている。図５、図２２に示す態様では、水密部材８０７は、カバー体２４の屋外側部位に対応して位置している。図２４、図２７に示す態様では、水密部材８０７は、外壁Ｗと屋外側部位の境界に対応して位置している。 As shown in FIGS. 1 and 4, a long cover body 24 extending in the height direction is attached at a fixed portion between the guide rail base frame 3 and the outer wall W. The cover body 24 is provided over the height direction so as to cover the screw 36 that fixes the first base end side finding side 34 of the guide rail base frame 3 to the outer wall W. The cover body 24 is used when the shutter is retrofitted, and when the shutter is retrofitted, the screw 36 is covered by the wall when finishing the wall, so that the cover body 24 is not used. As shown in FIG. 22, the cover body 24 extends along the side surface 30 of the guide rail base frame 3 and the side surface (face portion 80') of the main body portion 8'of the side cap 8, and is fixed to the side side 30 for mounting. It is attached to the piece 25. As shown in FIGS. 4 and 5, in the portion 24 ′ corresponding to the side cap 8, a part of the cover body 24 is cut out and along the inside of the concave portion 26 on the rear side of the outer surface of the surface portion 80 ′. Is extending. In the embodiment shown in FIGS. 5 and 22, the watertight member 807 is located corresponding to the outdoor side portion of the cover body 24. In the embodiment shown in FIGS. 24 and 27, the watertight member 807 is located corresponding to the boundary between the outer wall W and the outdoor side portion.

図２３～図２５、図２７に、シャッターを先付けする場合（窓サッシ枠Ｓは樹脂サッシである）の構成が示してあり、下地要素Ｗ´にシャッターを取り付けた後に外壁Ｗを仕上げている。外壁Ｗと窓シャッター構成要素（サイドキャップ８、ガイドレール下地枠３等）との境界にはコーキングＤが設けてある。窓シャッター装置の基本的な構成は、以下の下枠６の構成を除いて、既述のシャッターを後付けする場合と同様であり、同一の参照番号が付された要素の説明については、既述の記載を援用することができる。 FIGS. 23 to 25 and 27 show a configuration in which a shutter is attached in advance (the window sash frame S is a resin sash), and the outer wall W is finished after the shutter is attached to the base element W'. A caulking D is provided at the boundary between the outer wall W and the window shutter component (side cap 8, guide rail base frame 3, etc.). The basic configuration of the window shutter device is the same as the case where the shutter described above is retrofitted except for the configuration of the lower frame 6 below, and the description of the elements with the same reference number is described above. The description of can be used.

下枠６の基端側部位の構成及び躯体への取付構成について説明する。下枠６は、開口部の幅方向に延びる長尺枠体であって、図２５、図２６に示すように、下枠６は、外壁Ｗから離間する方向に下向き傾斜状に延びる上面６０と、上面６０の先端の垂下辺６１、底辺６２、立ち上がり辺６３と、上面６０の基端側で上方に延びる基端側上辺６４と、上面６０の基端側で下方に延びる基端側下辺６５と、基端側下辺６５に対してさらに基端側に位置して下方に延びる取付用基端側下辺６５´と、上面６０の下面と基端側下辺６５を連結する傾斜状の連結辺６６と、からなる。下枠６の先端側には上面６０の先端の垂下辺６１、底辺６２、立ち上がり辺６３から凹部６００が形成されており、開口部全閉時にはシャッターカーテン５の下端の座板５１の下方部位が下枠６の先端側の凹部６００にあいじゃくり状に受け入れられる。 The configuration of the base end side portion of the lower frame 6 and the configuration for attaching to the skeleton will be described. The lower frame 6 is a long frame body extending in the width direction of the opening, and as shown in FIGS. 25 and 26, the lower frame 6 has an upper surface 60 extending downward in a direction away from the outer wall W. , The hanging side 61, the bottom side 62, the rising side 63 of the tip of the upper surface 60, the base end side upper side 64 extending upward on the base end side of the upper surface 60, and the base end side lower side 65 extending downward on the base end side of the upper surface 60. And, the mounting base end side lower side 65'which is located further on the base end side and extends downward with respect to the base end side lower side 65, and the inclined connecting side 66 connecting the lower surface of the upper surface 60 and the base end side lower side 65. And consists of. A recess 600 is formed from the hanging side 61, the bottom side 62, and the rising side 63 of the tip of the upper surface 60 on the tip end side of the lower frame 6, and when the opening is fully closed, the lower portion of the seat plate 51 at the lower end of the shutter curtain 5 is formed. It is received in a recess 600 on the tip end side of the lower frame 6 in a jerky manner.

下枠６の基端側上辺６４と基端側下辺６５は同一垂直面を形成しており、基端側上辺６４の裏面には水密部材６９が下枠６の幅方向に亘って設けてあり、基端側下辺６５の裏面には熱膨張耐火部材６８が下枠６の幅方向に亘って設けてある。取付用基端側下辺６５´は、基端側下辺６５よりも基端側に位置して垂下しており、裏面には上側当接部６５０´、下側当接部６５１´が形成されている。上側当接部６５０´と下側当接部６５１´の先端は、同一垂直面上に位置している。図２５に示すように、下枠６は、取付用基端側下辺６５´の上側当接部６５０´と下側当接部６５１´の先端を外壁Ｗに当接させた状態で、取付用基端側下辺６５´を螺子６７で下地要素Ｗ´に固定することで取り付けられており、下地要素Ｗ´上に外壁Ｗが設けられており、下枠６の基端側の下方部位が外壁Ｗ内に埋設されている。下枠６の基端側部位の躯体への固定位置を、基端側部位の下方部位とすることで、下枠６の基端側上辺６４の立ち上がり寸法を小さくし、下枠６の上面６０の位置をより高い位置として、座板錠５３の操作性を向上させている。 The base end side upper side 64 and the base end side lower side 65 of the lower frame 6 form the same vertical plane, and a watertight member 69 is provided on the back surface of the base end side upper side 64 over the width direction of the lower frame 6. A thermal expansion refractory member 68 is provided on the back surface of the lower side 65 on the base end side in the width direction of the lower frame 6. The lower side 65'on the base end side for mounting is located on the base end side of the lower side 65'on the base end side and hangs down, and an upper contact portion 650'and a lower contact portion 651' are formed on the back surface. There is. The tips of the upper contact portion 650'and the lower contact portion 651'are located on the same vertical plane. As shown in FIG. 25, the lower frame 6 is for mounting in a state where the tips of the upper contact portion 650'and the lower contact portion 651'of the lower side 65'on the mounting base end side are in contact with the outer wall W. It is attached by fixing the lower side 65'on the base end side to the base element W'with a screw 67, the outer wall W is provided on the base element W', and the lower part on the base end side of the lower frame 6 is the outer wall. It is buried in W. By setting the fixing position of the base end side portion of the lower frame 6 to the skeleton as the lower portion of the base end side portion, the rising dimension of the base end side upper side 64 of the lower frame 6 is reduced, and the upper surface 60 of the lower frame 6 is reduced. The operability of the seat plate lock 53 is improved by setting the position of to a higher position.

図２５に示すように、下枠６が下地要素Ｗ´に取り付けられた状態では、基端側上辺６４と躯体（下地要素Ｗ´上に位置する窓サッシ枠Ｓの部分）の間に位置して水密部材６９が圧縮されており、基端側下辺６５の裏面と躯体（下地要素Ｗ´上に位置するサッシＳの部分）の間には、熱膨張耐火部材６８の発泡を許容する隙間（空間）が形成されている。取付用基端側下辺６５´は、基端側上辺６４と基端側下辺６５よりも下側に位置しており、熱膨張耐火部材６８は、固定手段としての螺子６７の上側に位置しており、熱膨張耐火部材６８及び螺子６７は、上面６０の高さ位置よりも下側に位置している。下枠６が躯体に取り付けられた状態において、下枠６の基端側部位と躯体の間には、熱膨張耐火部材６８の上側に位置して、水密部材６９が設けてある。 As shown in FIG. 25, when the lower frame 6 is attached to the base element W', it is located between the base end side upper side 64 and the skeleton (the portion of the window sash frame S located on the base element W'). The watertight member 69 is compressed, and a gap (a gap allowing the thermal expansion refractory member 68 to foam) between the back surface of the lower side 65 on the base end side and the skeleton (the portion of the sash S located on the base element W'). Space) is formed. The mounting base end side lower side 65'is located below the base end side upper side 64 and the base end side lower side 65, and the thermal expansion refractory member 68 is located above the screw 67 as a fixing means. The thermal expansion refractory member 68 and the screw 67 are located below the height position of the upper surface 60. In a state where the lower frame 6 is attached to the skeleton, a watertight member 69 is provided between the base end side portion of the lower frame 6 and the skeleton, located above the thermal expansion refractory member 68.

熱膨張耐火部材６８は、幅方向に延びる長尺状の板体ないしシート体であり、窓開口部全閉状態において、火災時に熱膨張耐火部材６８が所定温度以上に加熱されると、熱膨張耐火部材６８は発泡・膨張し、下枠６の熱変形等に伴って基端側部位と外壁Ｗとに形成され得る隙間を幅方向に亘って閉塞し、下枠６と外側Ｗとの間からの火の回りを防止して下枠６の基端側部位の防火性能を確保する。特に、本実施形態では、下枠６の基端側部位は下方部位において躯体に螺子６７で固定されているので、螺子６７を支点に下枠６が下方に垂れ下がり易い傾向にあるが、この時、下枠６の基体側部位と躯体との間に隙間が発生しても、かかる隙間を発泡した熱膨張耐火部材６８が塞ぐことで、下枠６の基端側部位と躯体との間から火が出ることを防止することができる。水密部材６９は、典型的にはゴム材料から形成された水密ゴムであり、このような水密部材の材料は当業者において公知であるので詳細な説明は省略する。水密部材６９は、基端側上辺６４と窓サッシ枠Ｓの間の隙間に雨水が浸水することを防止し熱膨張耐火部材６８が水と直接接触することを可及的に防止している。また、水密部材６９は、基端側上辺６４の上端部位に位置し、また、熱膨張耐火部材６８の上側に位置しており、下枠６の下面が下方から火災の熱に晒された時に、熱膨張耐火部材６８が基端側下辺６５の裏面と窓サッシ枠Ｓの部分との間で発泡することで、外部で発生した火炎が水密部材６９に引火することを防止している。 The thermal expansion fire resistant member 68 is a long plate or sheet body extending in the width direction, and when the thermal expansion fire resistant member 68 is heated to a predetermined temperature or higher at the time of a fire in a state where the window opening is fully closed, the thermal expansion fire resistant member 68 is thermally expanded. The fireproof member 68 foams and expands, closes a gap that may be formed between the base end side portion and the outer wall W due to thermal deformation of the lower frame 6 over the width direction, and is between the lower frame 6 and the outer W. The fire protection performance of the base end side portion of the lower frame 6 is ensured by preventing the rotation of the fire from the ground. In particular, in the present embodiment, since the base end side portion of the lower frame 6 is fixed to the skeleton with screws 67 at the lower portion, the lower frame 6 tends to hang downward with the screw 67 as a fulcrum. Even if a gap is generated between the base side portion of the lower frame 6 and the skeleton, the heat-expanded refractory member 68 that has foamed the gap closes the gap from between the base end side portion of the lower frame 6 and the skeleton. It is possible to prevent a fire from coming out. The watertight member 69 is typically a watertight rubber formed of a rubber material, and since the material of such a watertight member is known to those skilled in the art, detailed description thereof will be omitted. The watertight member 69 prevents rainwater from infiltrating into the gap between the base end side upper side 64 and the window sash frame S, and prevents the thermal expansion refractory member 68 from coming into direct contact with water as much as possible. Further, the watertight member 69 is located at the upper end portion of the base end side upper side 64, and is located above the thermal expansion refractory member 68, and when the lower surface of the lower frame 6 is exposed to the heat of fire from below. The thermal expansion refractory member 68 foams between the back surface of the lower side 65 on the base end side and the portion of the window sash frame S, thereby preventing the external flame from igniting the watertight member 69.

本実施形態では、分割部９を備えたサイドキャップ８を採用したことで、巻取シャフト２や開閉機Ｍのメンテナンスを行う時には、サイドキャップ８から分割部９を取り外し、次いで、シャッターケース７の上板７Ａから下板７Ｂを取り外せばよい。より具体的には、螺子８５２を取り外すことで、分割部９の分割下縁部（前側下縁部８５）のブラケット１の前側下面１５に対する固定を解除することができ、サイドキャップ８の本体部８´から分割部９を引き抜いて取り外すことができる。螺子８５２を取り外すことで、下板７Ｂのブラケット１の前側下面１５に対する固定を解除することができ、下板７Ｂの上側の上板７Ａの係止状態を解除することで、下板７Ｂを取り外すことができる。 In the present embodiment, by adopting the side cap 8 provided with the split portion 9, when the take-up shaft 2 and the switch M are maintained, the split portion 9 is removed from the side cap 8 and then the shutter case 7 is used. The lower plate 7B may be removed from the upper plate 7A. More specifically, by removing the screw 852, the fixing of the split lower edge portion (front side lower edge portion 85) of the split portion 9 to the front lower surface surface 15 of the bracket 1 can be released, and the main body portion of the side cap 8 can be released. The split portion 9 can be pulled out from the 8'and removed. By removing the screw 852, the fixing of the lower plate 7B to the front lower surface 15 of the bracket 1 can be released, and by releasing the locked state of the upper upper plate 7A of the lower plate 7B, the lower plate 7B is removed. be able to.

本実施形態では、サイドキャップ８の前側かつ下側に位置する部位を、サイドキャップ８の面部８０及び前側凹部８３、下側前縁部８４、前側下縁部８５を形成する分割部９とし、分割部９を本体部８´に対して着脱可能に構成したので、図２９に示すような、サイドキャップ８の上側縁部８１や上側前縁部８２が軒天井Ｃ内に位置するような納まりにおいても、分割部９を取り外すことによって、巻取シャフト２や開閉機Ｍのメンテナンスを行うことが可能である。 In the present embodiment, the portions located on the front side and the lower side of the side cap 8 are the divided portions 9 forming the surface portion 80, the front recessed portion 83, the lower front edge portion 84, and the front lower edge portion 85 of the side cap 8. Since the split portion 9 is detachably configured with respect to the main body portion 8', the upper edge portion 81 and the upper front edge portion 82 of the side cap 8 are located in the eaves ceiling C as shown in FIG. 29. Also, by removing the split portion 9, it is possible to perform maintenance on the take-up shaft 2 and the switch M.

１ ブラケット
１０ 面部
１７ 基端側下面（ブラケットの下端）
１７０ 下地枠規制片
１０１ 係止片
１０１２ 開口
２ 巻取シャフト
３ ガイドレール下地枠
３０´側辺の上端
３００ 側辺３０の先端側部位（被当接部）
４ ガイドレール
４０ 躯体から遠い側の側辺（屋外側見付辺）
４４ 連結片（被当接部）
５ シャッターカーテン
６ 下枠
６０ 上面
６４ 基端側上辺（図２の実施形態では第１基端側辺、図２５の実施形態では第２基端側辺）
６５ 基端側下辺（第２基端側辺）
６５´ 取付用基端側下辺（図２５の実施形態では第１基端側辺）
６７ 螺子（固定手段）
６８ 熱膨張耐火部材
６９ 水密部材
７ シャッターケース
７３ 下面
８ サイドキャップ
８０ 面部
８５ 前側下縁部（サイドキャップ下面）
８５´ 突出部
８５１´ 突出部の側縁、第４縁（躯体側縁部）
８６ 後側下縁部（サイドキャップ下面）
８０１ 下側係止片
８０２～８０６ 補強リブ
８０７ 水密部材（当接部材）
１９ 取付台
１９１１ 第１垂直片１９１の第２部分１９１１（閉塞板材）
２０ カバープレート
Ｍ 開閉機（可燃要素）
Ｗ 外壁（躯体）
Ｗ´ 下地要素（躯体）
Ｓ 窓サッシ枠（躯体）
α サイドキャップ下面の躯体側部位
β サイドキャップ下面の屋外側部位
β１ サイドキャップ下面の屋外側部位の先端側部位 1 Bracket 10 Face 17 Base end side lower surface (lower end of bracket)
170 Base frame regulation piece 101 Locking piece 1012 Opening 2 Winding shaft 3 Guide rail Base frame 30'Upper end of the side
300 The tip side part of the side side 30 (contacted part)
4 Guide rail 40 Side side far from the skeleton (outdoor side found side)
44 Connecting piece (contacted part)
5 Shutter curtain 6 Lower frame 60 Upper surface 64 Base end side upper side (1st base end side in the embodiment of FIG. 2, 2nd base end side in the embodiment of FIG. 25)
65 Base end side lower side (second base end side side)
65'Lower side of mounting base end (first base end side side in the embodiment of FIG. 25)
67 Screw (fixing means)
68 Thermal expansion refractory member 69 Watertight member 7 Shutter case 73 Bottom surface 8 Side cap 80 Surface portion 85 Front lower edge (bottom surface of side cap)
85'Protruding part 851'Side edge of the protruding part, 4th edge (side edge of the skeleton)
86 Rear lower edge (lower surface of side cap)
801 Lower locking piece 802-806 Reinforcing rib 807 Watertight member (contact member)
19 Mounting base 1911 Second part 1911 of the first vertical piece 191 (blocking plate material)
20 Cover plate M switch (combustible element)
W outer wall (framework)
W'underground element (framework)
S window sash frame (framework)
α Frame side part of the lower surface of the side cap β Outdoor side part of the lower surface of the side cap β1 Tip side part of the outdoor side part of the lower surface of the side cap

Claims (3)

窓シャッターの下枠は、躯体に対して屋外側に持ち出し状に取り付けられており、
前記下枠は、躯体から屋外側に向かって延びる上面と、基端側部位と、を備え、
前記下枠の基端側部位は、いずれか一方が上側、他方が下側に位置する第１基端側辺と第２基端側辺を備えており、前記第２基端側辺は前記第１基端側辺よりも躯体から離間しており、
前記下枠は、前記第１基端側辺を螺子によって躯体に固定することで当該躯体に取り付けられており、前記第２基端側辺は躯体に固定されておらず、
前記下枠が前記躯体に取り付けられた状態において、前記第２基端側辺は前記躯体に対して少なくとも一部が離間して対向しており、
前記第２基端側辺の躯体に対向する面には、熱膨張耐火部材が設けてある、
窓シャッターの下枠の構造。 The lower frame of the window shutter is attached to the outdoor side of the skeleton in a carry-out manner.
The lower frame includes an upper surface extending from the skeleton toward the outdoor side and a base end side portion.
The base end side portion of the lower frame includes a first base end side side and a second base end side side in which one is located on the upper side and the other is located on the lower side, and the second base end side side is the said. It is farther from the skeleton than the side of the first base end,
The lower frame is attached to the skeleton by fixing the side of the first base end to the skeleton with a screw , and the side of the second base end is not fixed to the skeleton.
In a state where the lower frame is attached to the skeleton, the second base end side side faces the skeleton at least in part at a distance from each other.
A thermal expansion refractory member is provided on the surface of the second base end side facing the skeleton.
The structure of the lower frame of the window shutter. 前記第１基端側辺は、前記第２基端側辺よりも下側に位置しており、前記下枠は、下側の前記第１基端側辺が前記螺子によって躯体に固定されており、前記熱膨張耐火部材は、前記螺子の上側に位置している、
請求項１に記載の窓シャッターの下枠の構造。 The first base end side side is located below the second base end side side, and in the lower frame, the lower first base end side side is fixed to the skeleton by the screw. The thermal expansion refractory member is located above the screw .
The structure of the lower frame of the window shutter according to claim 1. 前記第２基端側辺と前記躯体の間には、水密部材が設けてあり、
前記水密部材は、前記熱膨張耐火部材の上側に位置しており、
前記水密部材は、前記基端側部位の上端部位と前記躯体の間に設けてある、
請求項２に記載の窓シャッターの下枠の構造。 A watertight member is provided between the side of the second base end and the skeleton.
The watertight member is located above the thermal expansion refractory member.
The watertight member is provided between the upper end portion of the proximal end side portion and the skeleton.
The structure of the lower frame of the window shutter according to claim 2 .
JP2018101152A 2018-05-28 2018-05-28 Structure of the lower frame of the window shutter Active JP7097747B2 (en)

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JP2013068040A (en) 2011-09-26 2013-04-18 Sankyotateyama Inc Building material for opening
JP2013108225A (en) 2011-11-17 2013-06-06 Bunka Shutter Co Ltd Fire protection construction of guide rail for shutter

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Publication number Priority date Publication date Assignee Title
JP2013068040A (en) 2011-09-26 2013-04-18 Sankyotateyama Inc Building material for opening
JP2013108225A (en) 2011-11-17 2013-06-06 Bunka Shutter Co Ltd Fire protection construction of guide rail for shutter

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