JP6301143B2 - Cover unit and joinery - Google Patents

Cover unit and joinery Download PDF

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JP6301143B2
JP6301143B2 JP2014019691A JP2014019691A JP6301143B2 JP 6301143 B2 JP6301143 B2 JP 6301143B2 JP 2014019691 A JP2014019691 A JP 2014019691A JP 2014019691 A JP2014019691 A JP 2014019691A JP 6301143 B2 JP6301143 B2 JP 6301143B2
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frame
cover
housing
cover member
cover unit
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JP2015148042A (en
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慶一郎 佐藤
慶一郎 佐藤
政紀 岡部
政紀 岡部
哲 吉野
哲 吉野
洋孝 大塚
洋孝 大塚
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YKK AP Inc
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Description

本発明は、建物の躯体に取り付けられる枠体と、建物の外壁材との間を躯体の屋外側にて覆うカバー部材を有するカバーユニットおよび建具に関する。   The present invention relates to a cover unit having a cover member that covers a space between a frame attached to a building frame and an outer wall material of the building on the outdoor side of the frame, and a fitting.

従来から、建具の縦枠が、アルミニウム形材製の縦枠本体と、この縦枠本体に取り付けられるカバーとを備えており、縦枠本体にカバーが取り付けられることにより縦方向に連通する中空部が形成され、縦枠の上下端部の開口には、当該開口を閉塞する樹脂製の端部キャップが設けられている建具が知られている(例えば、特許文献1参照)。   Conventionally, a vertical frame of a joinery has a vertical frame main body made of aluminum and a cover attached to the vertical frame main body, and a hollow portion that communicates in the vertical direction by attaching the cover to the vertical frame main body. There is known a joinery in which an opening made of a resin that closes the opening is provided at the upper and lower ends of the vertical frame (see, for example, Patent Document 1).

特許第4928393号公報Japanese Patent No. 4928393

上記のような建具の縦枠が火炎等に晒されると、樹脂製の端部キャップは容易に溶融してしまい、中空部に火炎が進入することにより縦枠が溶融し易くなり、また、中空部に進入した火炎と縦枠の溶融部とから進入した火炎に、縦枠が固定されている躯体が晒されるおそれがあるという課題がある。   When the vertical frame of the joinery as described above is exposed to a flame or the like, the resin end cap easily melts, and the vertical frame easily melts when the flame enters the hollow portion. There is a problem that the frame with the vertical frame fixed may be exposed to the flame that has entered the portion and the flame that has entered from the melted portion of the vertical frame.

本発明は、かかる課題に鑑みてなされたものであり、その目的とするところは、枠体が火炎に晒されても、躯体が火炎に晒されにくいカバーユニットおよび建具を提供することにある。   This invention is made | formed in view of this subject, The place made into the objective is providing the cover unit and fitting which a frame is hard to be exposed to a flame, even if a frame is exposed to a flame.

かかる目的を達成するために本発明のカバーユニットは、複数の枠材が枠組みされて建物の躯体に取り付けられる枠体と前記建物の外壁材との間を、前記躯体の屋外側にて覆い、前記枠材に沿って配置されるとともに、前記枠体と前記外壁材との間に取り付けられたときに、前記躯体より屋外側に、隣接する前記枠材に沿う長手方向に貫通する中空部を、見込み方向に並べて複数形成するカバー部材と、前記カバー部材の前記長手方向における端部にて前記中空部を塞ぐ合成樹脂製のキャップと、前記カバー部材と前記キャップとの間にて、前記複数の中空部のうちの前記躯体側に位置する躯体側中空部を覆う不燃性または難燃性の補強部材と、を有することを特徴とする。   In order to achieve such an object, the cover unit of the present invention covers a space between a frame body in which a plurality of frame members are framed and attached to a building frame and an outer wall material of the building on the outdoor side of the frame, A hollow portion penetrating in the longitudinal direction along the adjacent frame material, on the outdoor side from the housing, when disposed along the frame material and attached between the frame body and the outer wall material. A plurality of cover members formed side by side in the prospective direction, a cap made of synthetic resin that closes the hollow portion at an end portion in the longitudinal direction of the cover member, and the plurality of the cover members between the cover member and the cap. And a nonflammable or flame retardant reinforcing member that covers the housing-side hollow portion located on the housing side of the hollow portion.

このようなカバーユニットによれば、枠体と外壁材との間にカバー部材が取り付けられたときに長手方向に貫通する中空部を形成するカバー部材の長手方向における端部と、この端部に設けられる合成樹脂製のキャップとの間には、不燃性または難燃性の補強部材が設けられているので、たとえ、キャップが火炎等に晒されたとしても、火炎が中空部内に進入することを防止することが可能である。また、中空部は見込み方向に並べて複数設けられており、躯体側に位置する中空部が不燃性または難燃性の補強部材に覆われているので、枠体が火炎に晒されても、躯体が火炎に晒されにくいカバーユニットを提供することが可能である。   According to such a cover unit, when the cover member is attached between the frame body and the outer wall member, an end portion in the longitudinal direction of the cover member that forms a hollow portion penetrating in the longitudinal direction, and the end portion Since a nonflammable or flame retardant reinforcing member is provided between the cap made of synthetic resin and the cap, even if the cap is exposed to a flame or the like, the flame must enter the hollow portion. Can be prevented. In addition, a plurality of hollow portions are provided side by side in the prospective direction, and the hollow portion located on the housing side is covered with a nonflammable or flame retardant reinforcing member, so that the housing can be exposed even if the frame body is exposed to flame. It is possible to provide a cover unit that is not easily exposed to flame.

かかるカバーユニットであって、前記補強部材は、加熱されて膨張する熱発泡性耐火材を備えていることが望ましい。
このようなカバーユニットによれば、補強部材には熱発泡性耐火材が備えられているので、火炎等により補強部材が加熱される際には熱発泡性耐火材も加熱されて膨張する。このため、カバー部材の端部となる中空部の開口を膨張した耐火材により閉塞し、火炎が中空部内に進入することを防止することが可能である。
In such a cover unit, it is preferable that the reinforcing member includes a thermally foamable refractory material that expands when heated.
According to such a cover unit, since the reinforcing member is provided with the thermally foamable refractory material, when the reinforcing member is heated by a flame or the like, the thermally foamable refractory material is also heated and expands. For this reason, it is possible to block the opening of the hollow portion serving as the end portion of the cover member with the expanded refractory material and prevent the flame from entering the hollow portion.

かかるカバーユニットであって、前記熱発泡性耐火材は、前記キャップと前記カバー部材との間において前記補強部材に設けられていることが望ましい。
このようなカバーユニットによれば、キャップが加熱された際には、キャップとカバー部材との間にて熱発泡性耐火材を膨張させて中空部を閉塞することが可能である。このとき、熱発泡耐性火材が、補強部材のキャップ側に設けられている場合には、キャップが加熱されると補強部材より先に熱発泡性耐火材が加熱されるので、より早く熱発泡性耐火材を膨張させることが可能である。また、熱発泡性耐火材が、補強部材のカバー部材側に設けられている場合には、膨張した耐火材を中空部内に、より確実に充満させることが可能である。
In this cover unit, it is preferable that the thermally foamable refractory material is provided on the reinforcing member between the cap and the cover member.
According to such a cover unit, when the cap is heated, the hollow portion can be closed by expanding the thermally foamable refractory material between the cap and the cover member. At this time, in the case where the heat-foaming resistant fire material is provided on the cap side of the reinforcing member, the heat-foaming fire-resistant material is heated earlier than the reinforcing member when the cap is heated. It is possible to expand the refractory material. Moreover, when the thermally foamable refractory material is provided on the cover member side of the reinforcing member, the expanded refractory material can be more reliably filled into the hollow portion.

かかるカバーユニットであって、前記補強部材は、前記カバー部材と前記キャップとの間にて前記カバー部材の端部に当接される平板状部と、前記平板状部と交差する方向に設けられて前記躯体側中空部内に挿入される挿入部とを備え、前記熱発泡性耐火材は、前記挿入部に設けられていることが望ましい。
このようなカバーユニットによれば、熱発泡性耐火材は、躯体側中空部内に挿入される挿入部に設けられているので、確実に躯体側中空部内で膨張させて中空部を閉塞することが可能である。
In this cover unit, the reinforcing member is provided between the cover member and the cap, a flat plate portion that is in contact with an end portion of the cover member, and a direction intersecting the flat plate portion. It is preferable that the heat-foamable refractory material is provided in the insertion portion.
According to such a cover unit, since the heat-foamable refractory material is provided in the insertion portion that is inserted into the housing-side hollow portion, it is possible to reliably expand the inside of the housing-side hollow portion to close the hollow portion. Is possible.

また、前記カバーユニットと、前記枠体と、前記枠体に支持される障子と、を備えたことを特徴とする建具である。
このような建具によれば、躯体より屋外側に形成された中空部に火炎が進入し難いので、枠体および躯体が火炎に晒されることを防止することができる耐火性に優れた建具を提供することが可能である。
Moreover, it is the fitting characterized by including the said cover unit, the said frame, and the shoji supported by the said frame.
According to such a joinery, since it is difficult for the flame to enter the hollow portion formed on the outdoor side from the housing, a joinery having excellent fire resistance that can prevent the frame and the housing from being exposed to the flame is provided. Is possible.

本発明によれば、枠体が火炎に晒されても、躯体が火炎に晒されにくいカバーユニットおよび建具を提供することが可能である。   ADVANTAGE OF THE INVENTION According to this invention, even if a frame is exposed to a flame, it is possible to provide the cover unit and fitting which a frame is hard to be exposed to a flame.

本実施形態に係るカバーユニット及び建具の一部を示す平断面図である。It is a plane sectional view showing some cover units and joinery concerning this embodiment. カバーユニットの構成を説明するための平断面図である。It is a plane sectional view for explaining the composition of a cover unit. カバーユニットの構成を示す斜視図である。It is a perspective view which shows the structure of a cover unit. カバーユニットの変形例を示す平断面図である。It is a plane sectional view showing a modification of a cover unit.

以下、本発明の一実施形態に係るカバーユニットおよびこのカバーユニットを備えた建具について図面を参照して説明する。
本実施形態では、建具として、建物の屋内外を仕切る外壁に設けられた開口に嵌め込まれ、窓の幅方向に移動する回動軸に支持されて回動自在な障子を備えた辷り出し窓用の建具を例に挙げて説明する。
Hereinafter, a cover unit according to an embodiment of the present invention and a fitting including the cover unit will be described with reference to the drawings.
In this embodiment, as a joinery, for an extended window that is fitted in an opening provided on an outer wall that partitions the interior and exterior of a building and is supported by a pivot shaft that moves in the width direction of the window and that has a pivotable shoji. This will be described by taking as an example a joinery.

以下の説明においては、建具が建物に取り付けられている状態で屋内側から見たときに、上下となる方向を上下方向、左右となり窓の幅となる方向を左右方向または幅方向、屋内外方向である奥行き方向を見込み方向とするとともに、矩形状をなす枠体の面内方向における内側を内周側、外側を外周側として示す。また、建具を構成する各部材及び各部位については、単体の状態であっても建具が取り付けられた状態で上下方向、左右方向、見込み方向等となる方向、及び、枠体の内周側、外周側にて方向を特定して説明する。   In the following description, when viewed from the indoor side with the fittings attached to the building, the vertical direction is the vertical direction, the horizontal direction is the window width, the horizontal direction or the width direction, and the indoor and outdoor direction. The depth direction is a prospective direction, and the inner side in the in-plane direction of the rectangular frame is shown as the inner peripheral side, and the outer side is shown as the outer peripheral side. In addition, for each member and each part constituting the joinery, even in a single state, in the state where the joinery is attached, the direction that becomes the vertical direction, the left-right direction, the prospective direction, and the inner peripheral side of the frame, A direction is specified and explained on the outer peripheral side.

建具1は、図1に示すように、アルミニウム製の押出成形材でなる4本の枠材が矩形状に枠組みされて建物4の躯体2に取り付けられる枠体10と、枠体10に取り付けられる障子3と、窓の幅方向において枠体10と外壁材5との間に配置され枠体10とともに躯体2の屋外側に複数の中空部12a、12b、12cを形成するアルミニウム製の押出成形材でなるカバー部材12と、カバー部材12の長手方向における端部12d(図3)にて複数の中空部12a、12b、12cを覆う合成樹脂製のキャップ13(図3)と、カバー部材12の端部12dとキャップ13との間に介在されて複数の中空部12a、12b、12cのうち、少なくとも、より躯体2側に位置する躯体側中空部12b、12cを覆う金属製、例えばステンレス製の補強部材14と、を有している。図1においては、キャップ13を省略して示している。ここで、カバーユニット7は、カバー部材12と、補強部材14と、キャップ13とにより構成される。   As shown in FIG. 1, the joinery 1 is attached to the frame 10, and a frame 10 that is attached to the frame 2 of the building 4 in which four frame members made of an aluminum extrusion molding are framed in a rectangular shape. An extrusion material made of aluminum that is disposed between the shoji 3 and the frame 10 and the outer wall material 5 in the width direction of the window and forms a plurality of hollow portions 12a, 12b, and 12c on the outdoor side of the housing 2 together with the frame 10. A cover member 12, a synthetic resin cap 13 (FIG. 3) that covers the plurality of hollow portions 12 a, 12 b, 12 c at the end 12 d (FIG. 3) in the longitudinal direction of the cover member 12, Metal, for example, stainless steel, which covers at least the housing-side hollow portions 12b, 12c located on the housing 2 side among the plurality of hollow portions 12a, 12b, 12c interposed between the end portion 12d and the cap 13 It has a reinforcing member 14, the. In FIG. 1, the cap 13 is omitted. Here, the cover unit 7 includes a cover member 12, a reinforcing member 14, and a cap 13.

枠体10は、上下に配置される枠材でなる上下の横枠(不図示)と、左右に配置される枠材でなる左右の縦枠11とが、上下の横枠の端部に左右の縦枠11が当接されて矩形状に枠組みされている。このため、横枠の小口は縦枠11により塞がれている。   The frame 10 has upper and lower horizontal frames (not shown) made of frame members arranged on the upper and lower sides and left and right vertical frames 11 made of frame members arranged on the left and right sides at the ends of the upper and lower horizontal frames. The vertical frame 11 is abutted to form a rectangular frame. For this reason, the edge of the horizontal frame is closed by the vertical frame 11.

左右に配置される縦枠11同士、および、各縦枠11と隣接し縦枠11に沿って取り付けられる左右のカバー部材12同士は、同一部材の部材であって、左右が反転するように配置されて用いられる。このため、ここでは屋内側から見て左側の縦枠(以下、単に縦枠という)11および左側のカバー部材(以下、単にカバー部材という)12を例に挙げて本発明について説明する。   The vertical frames 11 arranged on the left and right, and the left and right cover members 12 that are adjacent to the vertical frames 11 and attached along the vertical frame 11 are members of the same member, and are arranged so that the left and right are reversed. To be used. For this reason, here, the present invention will be described taking a left vertical frame (hereinafter simply referred to as a vertical frame) 11 and a left cover member (hereinafter simply referred to as a cover member) 12 as viewed from the indoor side.

縦枠11は、枠体10が取り付けられている躯体2の外壁材5と対向する面2aに当接されてビス止めされるヒレ状の固定ヒレ部11aと、固定ヒレ部11aと直交し閉じた状態の障子3の戸先框3aと対向する見込面11bを形成する見込み壁部11cと、見込み壁部11cの屋内側の端にて枠体10の屋内側に設けられる額縁15の屋外側の面15aが当接される額縁当接部11dと、額縁当接部11dと固定ヒレ部11aとの間にて躯体2と反対側、すなわち枠体10の内周側に突出されて戸先框3aの屋内側の面3bと対向する突出対向部11eと、を有している。   The vertical frame 11 is closed with a fin-shaped fixed fin portion 11a which is brought into contact with a surface 2a facing the outer wall member 5 of the housing 2 to which the frame body 10 is attached and screwed, and orthogonal to the fixed fin portion 11a. The prospective wall part 11c which forms the prospective surface 11b which opposes the door-toe fence 3a of the shoji 3 in the state of the state, and the outdoor side of the frame 15 provided in the indoor side of the frame 10 at the indoor side end of the prospective wall part 11c The frame abutment portion 11d with which the surface 15a abuts, and the frame abutment portion 11d and the fixed fin portion 11a are projected to the opposite side of the housing 2, that is, to the inner peripheral side of the frame body 10, and the door tip And a projecting facing portion 11e facing the indoor side surface 3b of the basket 3a.

縦枠11は、固定ヒレ部11aが、屋外側から躯体2に進入するビス16により、また、見込み壁部11cが額縁当接部11dと突出対向部11eとの間で枠体10の内周側から躯体2に進入するビス17により、それぞれ躯体2に固定されている。縦枠11の突出対向部11eより屋内側には、枠体10の内周側から見込み壁部11cを貫通して締め込まれるビス17及び額縁15の屋外側の縁15bを、枠体10の内周側から覆うとともに、突出対向部11eに係合して障子3の戸先框3aが当接されるシール材18を保持するシール保持部材19が嵌合されて設けられている。   The vertical frame 11 has an inner periphery of the frame 10 between the fixed fin portion 11a by a screw 16 that enters the housing 2 from the outdoor side and the prospective wall portion 11c between the frame contact portion 11d and the projecting facing portion 11e. Each is fixed to the housing 2 by screws 17 entering the housing 2 from the side. On the indoor side from the projecting facing portion 11e of the vertical frame 11, screws 17 that are tightened through the prospective wall portion 11c from the inner peripheral side of the frame body 10 and an edge 15b on the outdoor side of the frame 15 are provided. A seal holding member 19 that covers the inner peripheral side and holds the sealing material 18 that engages with the protruding facing portion 11e and abuts the door toe 3a of the shoji 3 is fitted and provided.

図2に示すように、縦枠11が躯体2に固定された状態で、見込み壁部11cの屋外側の先端は、外壁材5よりも屋外側に突出している。見込み壁部11cの屋外側の先端には、カバー部材12に設けられた係合部12eが係合される被係合部11fが設けられている。被係合部11fは、見込み壁部11cの先端と繋がって、当該見込み壁部11cと、窓の幅方向に僅かに間隔を隔てた位置にて屋内側に延出される延出片11gが形成されて鉤状をなしている。   As shown in FIG. 2, in the state where the vertical frame 11 is fixed to the housing 2, the outdoor-side tip of the prospective wall portion 11 c protrudes more outward than the outer wall material 5. An engaged portion 11f to which an engaging portion 12e provided on the cover member 12 is engaged is provided at the outdoor end of the prospective wall portion 11c. The engaged portion 11f is connected to the tip of the prospective wall portion 11c, and the prospective wall portion 11c is formed with an extending piece 11g extending to the indoor side at a position slightly spaced in the width direction of the window. Has been in the form of a saddle.

縦枠11の固定ヒレ部11aには、屋外側に向かって突出してその先端にフック部11hを有し、カバー部材12に設けられた係止部12fが係止される一対の被係止部11iが設けられている。すなわちカバー部材12は、ビス16、17により躯体2に固定された縦枠11の被係止部11iに係止部12fが係止されて取り付けられる。   The fixed fin portion 11a of the vertical frame 11 has a pair of locked portions that protrude toward the outdoor side, have a hook portion 11h at the tip thereof, and are locked with a locking portion 12f provided on the cover member 12. 11i is provided. That is, the cover member 12 is attached by locking the locking portion 12 f to the locked portion 11 i of the vertical frame 11 fixed to the housing 2 by screws 16 and 17.

カバー部材12は、縦枠11とほぼ同じ長さを有し、窓の幅方向において外壁材5と縦枠11の見込み壁部11cとの間に配置されて、躯体2に当接されている固定ヒレ部11aを覆うように設けられる。   The cover member 12 has substantially the same length as the vertical frame 11, is disposed between the outer wall material 5 and the prospective wall portion 11 c of the vertical frame 11 in the width direction of the window, and is in contact with the housing 2. It is provided so as to cover the fixed fin portion 11a.

カバー部材12は、水平断面がほぼ矩形状をなし長手方向に貫通する中空部(以下、カバー中空部という)12aを備えている。カバー部材12が取り付けられたときに外壁材5と平行をなし、カバー中空部12aを形成して屋外に臨む面を有する屋外壁部12gは、カバー中空部12aより枠体10の内周側に延出されており、その端縁が屋内側に延出されて、縦枠11の被係合部11fと係合する係合部12eが設けられている。   The cover member 12 includes a hollow portion (hereinafter referred to as a cover hollow portion) 12a that has a substantially rectangular horizontal cross section and penetrates in the longitudinal direction. When the cover member 12 is attached, the outdoor wall portion 12g that is parallel to the outer wall material 5 and has a surface that faces the outside by forming the cover hollow portion 12a is closer to the inner peripheral side of the frame body 10 than the cover hollow portion 12a. Extending, the edge is extended indoors, and the engaging part 12e engaged with the to-be-engaged part 11f of the vertical frame 11 is provided.

カバー中空部12aを形成し屋外壁部12gと見込み方向に対向する屋内壁部12hの屋内側には、カバー部材12の上下に取り付けられるキャップ13をビス止めするためのビス螺合部12iが窓の幅方向におけるほぼ中央に設けられている。   On the indoor side of the indoor wall portion 12h that forms the cover hollow portion 12a and faces the outdoor wall portion 12g in the prospective direction, a screw threaded portion 12i for screwing the cap 13 attached to the top and bottom of the cover member 12 is a window. Is provided at substantially the center in the width direction.

カバー部材12は、カバー中空部12aを形成する左壁部12jと右壁部12kとがカバー中空部12aより屋内側に延出された左壁延出部12lと右壁延出部12mとを有している。左壁延出部12lと右壁延出部12mとの間には、屋内壁部12hから左壁延出部12lおよび右壁延出部12mと平行をなすように中央延出部12nが設けられている。   The cover member 12 includes a left wall extension portion 12l and a right wall extension portion 12m in which a left wall portion 12j and a right wall portion 12k that form a cover hollow portion 12a extend from the cover hollow portion 12a to the indoor side. Have. A central extension 12n is provided between the left wall extension 12l and the right wall extension 12m so as to be parallel to the left wall extension 12l and the right wall extension 12m from the indoor wall 12h. It has been.

左壁延出部12l、右壁延出部12mおよび中央延出部12nの屋内壁部12hからの延出量は等しく形成されており、右壁延出部12mと中央延出部12nの先端には、縦枠11に設けられた被係止部11iに係止する係止部12fが設けられている。   The left wall extending portion 12l, the right wall extending portion 12m, and the central extending portion 12n are equally formed from the indoor wall portion 12h, and the right wall extending portion 12m and the distal end of the central extending portion 12n are formed. Is provided with a locking portion 12f that is locked to a locked portion 11i provided on the vertical frame 11.

カバー部材12の係合部12eが枠体10の被係合部11fに係合され、カバー部材12の係止部12fが縦枠11の被係止部11iに係止されると、左壁延出部12l、右壁延出部12mおよび中央延出部12nの先端が各々縦枠11の固定ヒレ部11aに当接される。このとき、カバー中空部12aの屋内側、すなわち躯体2側に、縦枠11とともに、縦枠11およびカバー部材12の長手方向に貫通する中空部12b、12cが形成される。   When the engaging portion 12e of the cover member 12 is engaged with the engaged portion 11f of the frame 10, and the engaging portion 12f of the cover member 12 is engaged with the engaged portion 11i of the vertical frame 11, the left wall The distal ends of the extending portion 121, the right wall extending portion 12m, and the central extending portion 12n are in contact with the fixed fin portion 11a of the vertical frame 11, respectively. At this time, hollow portions 12b and 12c penetrating in the longitudinal direction of the vertical frame 11 and the cover member 12 are formed together with the vertical frame 11 on the indoor side of the cover hollow portion 12a, that is, the housing 2 side.

カバー部材12が縦枠11に取り付けられて、カバー部材12が備えるカバー中空部12aの躯体2側に形成される中空部12b、12cが、カバー部材12が、このカバー部材12と隣接する縦枠(枠材)11とともに形成し、見込み方向に並ぶ複数の中空部12a、12b、12cのうちの躯体2側に位置する躯体側中空部12b、12cに相当する。取り付けられたカバー部材12と外壁材5との間には、図1に示すように、パックアップ材20が設けられ、その屋外側に止水剤21が充填される。   The cover member 12 is attached to the vertical frame 11, and the hollow portions 12 b and 12 c formed on the housing 2 side of the cover hollow portion 12 a included in the cover member 12 are the vertical frames in which the cover member 12 is adjacent to the cover member 12. (Frame material) It is formed together with 11, and corresponds to the housing side hollow portions 12b and 12c located on the housing 2 side among the plurality of hollow portions 12a, 12b and 12c arranged in the expected direction. As shown in FIG. 1, a pack-up material 20 is provided between the attached cover member 12 and the outer wall material 5, and a waterproofing agent 21 is filled on the outdoor side.

このように取り付けられたカバー部材12の上下の端部12dには、それぞれ、図3に示すような、ステンレス製の補強部材14が、カバー部材12の小口(端部)12dに当接され、補強部材14とともに小口を覆う合成樹脂製のキャップ13が設けられて、カバー部材12のビス螺合部12iに螺合されるビス22にて固定される。   As shown in FIG. 3, a stainless steel reinforcing member 14 is brought into contact with the small edge (end portion) 12d of the cover member 12 at the upper and lower ends 12d of the cover member 12 attached in this manner. A synthetic resin cap 13 that covers the forehead together with the reinforcing member 14 is provided, and is fixed by a screw 22 that is screwed into the screw screwing portion 12 i of the cover member 12.

補強部材14は、カバー部材12が備えるカバー中空部12aと躯体側中空部12b、12cとをほぼ覆う平板状部14aと、平板状部14aの見込み方向に沿う左右の縁において躯体2側の部位から、平板状部14aの平面と交差(本実施形態では直交)する方向に延出され、窓の幅方向において互いに対向する対向延出部14bと、を有している。   The reinforcing member 14 includes a plate-like portion 14a that substantially covers the cover hollow portion 12a and the housing-side hollow portions 12b and 12c included in the cover member 12, and a portion on the case 2 side at the left and right edges along the prospective direction of the plate-like portion 14a. And extending in a direction intersecting (orthogonal in the present embodiment) with the plane of the flat plate-like portion 14a, and opposed extending portions 14b facing each other in the width direction of the window.

2つの対向延出部14bは、平板状部14aがカバー部材12の小口に当接されたときに、左側の対向延出部14bが左壁延出部12lと中央延出部12nとの間に形成された躯体側中空部12bに挿入され、右側の対向延出部14bが、右壁延出部12mと縦枠11の見込み壁部11cとの間に挿入される。ここで、左壁延出部12lと中央延出部12nとの間の躯体側中空部12bに挿入される左側の対向延出部14bが挿入部に相当する。   The two opposing extending portions 14b are arranged such that when the flat plate-like portion 14a is brought into contact with the fore edge of the cover member 12, the left opposing extending portion 14b is located between the left wall extending portion 12l and the central extending portion 12n. The right opposing extension 14b is inserted between the right wall extension 12m and the prospective wall 11c of the vertical frame 11. Here, the left opposing extension portion 14b inserted into the housing-side hollow portion 12b between the left wall extension portion 121 and the central extension portion 12n corresponds to the insertion portion.

補強部材14には、2つの対向延出部14bの各々対向する面と、平板状部14aにおいてカバー部材12の小口に当接されない面における躯体2側の領域とに、熱発泡性耐火材としての熱膨張性黒鉛23が設けられている。このとき、平板状部14aに設けられた熱膨張性黒鉛23は、補強部材14を取り付けたときに、少なくとも躯体側中空部12b、12cの一部を覆うように設けられている。   The reinforcing member 14 has a heat foaming refractory material on the opposing surfaces of the two opposing extending portions 14b and the region on the side of the housing 2 on the surface of the flat plate-like portion 14a that is not in contact with the edge of the cover member 12. Thermally expandable graphite 23 is provided. At this time, the thermally expandable graphite 23 provided on the flat plate-like portion 14a is provided so as to cover at least a part of the housing side hollow portions 12b and 12c when the reinforcing member 14 is attached.

キャップ13は、カバー部材12が備えるカバー中空部12aと躯体側中空部12b、12cとを、補強部材14も含めて覆い、縦枠11に取り付けられたカバー部材12の端部12dを収容する僅かな窪みを有している。このキャップ13は、合成樹脂製なので、その弾性によりカバー部材12に嵌め付けられ、ビス22にてカバー部材12に固定される。   The cap 13 covers the cover hollow portion 12a and the housing-side hollow portions 12b and 12c included in the cover member 12 including the reinforcing member 14, and slightly accommodates the end portion 12d of the cover member 12 attached to the vertical frame 11. It has a hollow. Since the cap 13 is made of synthetic resin, it is fitted to the cover member 12 by its elasticity and is fixed to the cover member 12 with screws 22.

本実施形態のカバーユニット7及び建具1によれば、縦枠11と外壁材5との間にカバー部材12が取り付けられたときに長手方向に貫通する中空部12a、12b、12cを形成するカバー部材12の長手方向における端部12dと、この端部12dに設けられる合成樹脂製のキャップ13との間には、ステンレス製の補強部材14が設けられているので、たとえ、キャップ13が火炎等に晒されたとしても、火炎が中空部12a、12b、12c内に進入することを防止することが可能である。   According to the cover unit 7 and the fitting 1 of the present embodiment, the cover that forms the hollow portions 12a, 12b, and 12c penetrating in the longitudinal direction when the cover member 12 is attached between the vertical frame 11 and the outer wall material 5. Since the stainless steel reinforcing member 14 is provided between the end 12d in the longitudinal direction of the member 12 and the synthetic resin cap 13 provided at the end 12d, even if the cap 13 is a flame or the like. Even if exposed to the flame, it is possible to prevent the flame from entering the hollow portions 12a, 12b, 12c.

また、本実施形態のように中空部12a、12b、12cが見込み方向に並べて複数設けられている場合には、少なくとも躯体2側に位置する躯体側中空部12b、12cがステンレス製の補強部材14に覆われていることにより、枠体10が火炎に晒されても、躯体2が火炎に晒されにくいカバーユニット7および建具1を提供することが可能である。   Further, when a plurality of hollow portions 12a, 12b, and 12c are provided side by side in the prospective direction as in this embodiment, at least the housing-side hollow portions 12b and 12c that are located on the housing 2 side are made of stainless steel reinforcing members 14. By being covered with, it is possible to provide the cover unit 7 and the fitting 1 in which the frame 2 is not easily exposed to the flame even if the frame 10 is exposed to the flame.

また、補強部材14には熱膨張性黒鉛23が備えられているので、火炎等により補強部材14が加熱される際には熱膨張性黒鉛23も加熱されて膨張する。このため、カバー部材12の端部12dとなるカバー中空部12aおよび躯体側中空部12b、12cの開口を膨張した耐火材により閉塞し、火炎がカバー中空部12aおよび躯体側中空部12b、12c内に進入することを防止することが可能である。このとき、熱膨張性黒鉛23は、キャップ13と補強部材14との間に設けられているので、キャップ13が加熱された際には、補強部材14より先に熱膨張性黒鉛23が加熱されるので、より早く熱膨張性黒鉛23を膨張させることが可能である。   Further, since the reinforcing member 14 includes the thermally expandable graphite 23, when the reinforcing member 14 is heated by a flame or the like, the thermally expandable graphite 23 is also heated and expands. For this reason, the opening of the cover hollow portion 12a and the housing side hollow portions 12b and 12c, which are the end portions 12d of the cover member 12, is closed by the expanded refractory material, and the flame is in the cover hollow portion 12a and the housing side hollow portions 12b and 12c. It is possible to prevent entry into the vehicle. At this time, since the heat-expandable graphite 23 is provided between the cap 13 and the reinforcing member 14, when the cap 13 is heated, the heat-expandable graphite 23 is heated before the reinforcing member 14. Therefore, it is possible to expand the thermally expandable graphite 23 more quickly.

また、熱膨張性黒鉛23は、左側の躯体側中空部12b内に挿入される対向延出部14bに設けられているので、確実に左側の躯体側中空部12b内にて膨張させてカバー部材12の端部12dにて躯体側中空部12bを閉塞することが可能である。   Further, since the heat-expandable graphite 23 is provided in the opposing extension portion 14b inserted into the left housing-side hollow portion 12b, the heat-expandable graphite 23 is surely expanded in the left housing-side hollow portion 12b to be covered. The housing-side hollow portion 12b can be closed by the 12 end portions 12d.

上記実施形態においては、補強部材14が中空部12a、12b、12cをいずれも覆う例について説明したが、少なくなくとも躯体側中空部12b、12cが覆われていれば、躯体2が火炎に晒されにくいカバーユニット7および建具1を実現することが可能である   In the above embodiment, the example in which the reinforcing member 14 covers all the hollow portions 12a, 12b, and 12c has been described. However, if at least the housing-side hollow portions 12b and 12c are covered, the housing 2 is exposed to the flame. It is possible to realize the cover unit 7 and the joinery 1 that are difficult to be performed.

また、本実施形態の建具1によれば、躯体2より屋外側に形成された中空部12a、12b、12c、特に躯体側中空部12b、12cに火炎が進入し難いので、枠体10および躯体2が火炎に晒されることを防止して耐火性に優れた建具1を提供することが可能である。   In addition, according to the joinery 1 of the present embodiment, the flame does not easily enter the hollow portions 12a, 12b, 12c formed on the outdoor side from the housing 2, and particularly the housing-side hollow portions 12b, 12c. It is possible to provide the joinery 1 excellent in fire resistance by preventing 2 from being exposed to a flame.

上記実施形態においては、左壁延出部12l、右壁延出部12mおよび中央延出部12nの先端が各々縦枠11の固定ヒレ部11aに当接されて形成される空間を躯体側中空部12b、12cとしたが、これに限るものではない。すなわち、カバー部材が縦枠に取り付けられて形成される中空部は、カバー部材と縦枠との境界部に隙間がないように囲まれた空間でなくともよい。たとえば、上記実施形態のように、カバー部材12と縦枠11との境界部が、外壁5のような耐火性を備えた部材より屋内側に位置する場合には、左壁延出部12lと固定ヒレ部11aとが必ずしも当接していなくとも、屋外に露出しない範囲であれば左壁延出部12lと固定ヒレ部11aとの間に隙間を有していても構わない。   In the above embodiment, the space formed by the tips of the left wall extending portion 121, the right wall extending portion 12m, and the central extending portion 12n being in contact with the fixed fin portion 11a of the vertical frame 11 is hollow on the housing side. Although it was set as the parts 12b and 12c, it is not restricted to this. That is, the hollow part formed by attaching the cover member to the vertical frame may not be a space surrounded by a gap between the cover member and the vertical frame. For example, when the boundary between the cover member 12 and the vertical frame 11 is located on the indoor side from a member having fire resistance such as the outer wall 5 as in the above embodiment, the left wall extending portion 12l Even if the fixed fin portion 11a is not necessarily in contact with the fixed fin portion 11a, a gap may be provided between the left wall extending portion 121 and the fixed fin portion 11a as long as it is not exposed to the outdoors.

上記実施形態においては、カバー部材12が取り付けられて、カバー部材12が枠体10とともに躯体2の屋外側に複数の中空部12a、12b、12cを形成する例について説明したが、これに限るものではない。例えば、図4に示すように、カバー部材24自身が、躯体2の屋外側に複数の中空部24a、24bを有していてもよい。この場合には、躯体2に取り付けられたカバー部材24が有する躯体側中空部24bが補強部材14に覆われる。また、上記実施形態においては、見込み方向に2つの中空部が並ぶように設けられている例について説明したが、これに限らず、3つ以上の中空部が見込み方向に並べて設けられていても構わない。この場合には、少なくとも最も躯体側に位置する中空部が補強部材に覆われていればよく、躯体側から、2つ以上の中空部が覆われていても構わない。   In the said embodiment, although the cover member 12 was attached and the cover member 12 formed the some hollow part 12a, 12b, 12c in the outdoor side of the housing 2 with the frame 10, it limited to this is not. For example, as shown in FIG. 4, the cover member 24 itself may have a plurality of hollow portions 24 a and 24 b on the outdoor side of the housing 2. In this case, the casing-side hollow portion 24 b of the cover member 24 attached to the casing 2 is covered with the reinforcing member 14. Moreover, in the said embodiment, although the example provided so that two hollow parts may be located in a line in a prospective direction was demonstrated, not only this but three or more hollow parts may be provided in a line in a prospective direction. I do not care. In this case, it is only necessary that at least the hollow portion located closest to the housing is covered with the reinforcing member, and two or more hollow portions may be covered from the housing side.

上記実施形態においては、辷り出し窓用の建具を例に挙げて説明したが、これに限らず、例えば、引き違い窓用、片引き窓、上げ下げ窓などのように枠体と障子とを備えた建具や枠体に移動不能に面材が設けられた建具であっても構わない。   In the above-described embodiment, the case has been described by taking as an example the opening window joinery, but the present invention is not limited thereto. For example, the frame body and the shoji are provided like a sliding window, a sliding window, and a raising / lowering window. It may be a joinery in which a face material is provided so as not to move on the joinery or the frame.

上記実施形態においては、補強部材14を不燃性であるステンレス製としたが、鉄等の不燃性である金属等は、もちろんのこと、火災によりまず表面が炭化し、炭化した表面の断熱効果により内部に燃え進むことを遅らせる、例えば、MDF・木材等のような難燃性の材料にて補強部材を構成しても構わない。また、前述した金属製材料と木材の組合せで構成された補強材でも構わない。   In the above embodiment, the reinforcing member 14 is made of non-flammable stainless steel, but non-flammable metals such as iron, of course, are first carbonized by a fire due to the heat insulation effect of the carbonized surface. The reinforcing member may be made of a flame retardant material such as MDF, wood, or the like that delays the internal combustion. Further, a reinforcing material composed of a combination of the above-described metal material and wood may be used.

上記実施形態においては、キャップ13とカバー部材12との間に設けられた補強部材14のキャップ13側に熱膨張性黒鉛23を備えた例について説明したが、補強部材14のカバー部材12側に熱膨張性黒鉛23を備えても構わない。この場合には、加熱された熱膨張性黒鉛23は膨張して躯体側中空部12b、12c内に充満するので、躯体側中空部12b、12cをより確実に閉塞することが可能である。   In the above embodiment, the example in which the thermally expandable graphite 23 is provided on the cap 13 side of the reinforcing member 14 provided between the cap 13 and the cover member 12 has been described. A thermally expandable graphite 23 may be provided. In this case, since the heated thermally expandable graphite 23 expands and fills the housing-side hollow portions 12b and 12c, the housing-side hollow portions 12b and 12c can be more reliably closed.

なお、上記実施形態は、本発明の理解を容易にするためのものであり、本発明を限定して解釈するためのものではない。本発明は、その趣旨を逸脱することなく、変更、改良され得ると共に、本発明にはその等価物が含まれることはいうまでもない。   In addition, the said embodiment is for making an understanding of this invention easy, and is not for limiting and interpreting this invention. The present invention can be changed and improved without departing from the gist thereof, and it is needless to say that the present invention includes equivalents thereof.

1 建具、2 躯体、3、障子、4 建物、5 外壁材、7 カバーユニット、
10 枠体、11 縦枠(枠材)、12 カバー部材、
12a カバー中空部(中空部)、12b、12c 躯体側中空部(中空部)
12d カバー部材の端部、13 キャップ、14 補強部材、
14a 平板状部、14b 対向延出部、23 熱膨張性黒鉛、
24 カバー部材、24a 中空部、24b 躯体側中空部
1 joinery, 2 frame, 3, shoji, 4 building, 5 outer wall material, 7 cover unit,
10 frame body, 11 vertical frame (frame material), 12 cover member,
12a Cover hollow part (hollow part), 12b, 12c Housing side hollow part (hollow part)
12d end of cover member, 13 cap, 14 reinforcing member,
14a flat plate part, 14b opposing extension part, 23 thermally expansible graphite,
24 cover member, 24a hollow part, 24b housing side hollow part

Claims (5)

複数の枠材が枠組みされて建物の躯体に取り付けられる枠体と前記建物の外壁材との間を、前記躯体の屋外側にて覆い、前記枠材に沿って配置されるとともに、前記枠体と前記外壁材との間に取り付けられたときに、前記躯体より屋外側に、隣接する前記枠材に沿う長手方向に貫通する中空部を、見込み方向に並べて複数形成するカバー部材と、
前記カバー部材の前記長手方向における端部にて前記中空部を塞ぐ合成樹脂製のキャップと、
前記カバー部材と前記キャップとの間にて、前記複数の中空部のうちの前記躯体側に位置する躯体側中空部を覆う不燃性または難燃性の補強部材と、
を有することを特徴とするカバーユニット。
A plurality of frame members are framed and covered between a frame body attached to a building frame and an outer wall material of the building on the outdoor side of the frame, arranged along the frame material, and the frame body And a cover member that forms a plurality of hollow portions penetrating in the longitudinal direction along the adjacent frame material in the prospective direction on the outdoor side from the housing when attached between the outer wall material and the outer wall material,
A cap made of synthetic resin that closes the hollow portion at the end in the longitudinal direction of the cover member;
Between the cover member and the cap, a nonflammable or flame-retardant reinforcing member that covers the housing-side hollow portion located on the housing side among the plurality of hollow portions;
A cover unit comprising:
請求項1に記載のカバーユニットであって、
前記補強部材は、加熱されて膨張する熱発泡性耐火材を備えていることを特徴とするカバーユニット。
The cover unit according to claim 1,
The said reinforcement member is equipped with the heat foamable refractory material which expands when heated, The cover unit characterized by the above-mentioned.
求項2に記載のカバーユニットであって、
前記熱発泡性耐火材は、前記キャップと前記カバー部材との間において前記補強部材に設けられていることを特徴とするカバーユニット。
A cover unit according to Motomeko 2,
The cover unit, wherein the thermally foamable refractory material is provided on the reinforcing member between the cap and the cover member.
請求項3に記載のカバーユニットであって、
前記補強部材は、前記カバー部材と前記キャップとの間にて前記カバー部材の端部に当接される平板状部と、前記平板状部と交差する方向に設けられて前記躯体側中空部内に挿入される挿入部とを備え、
前記熱発泡性耐火材は、前記挿入部に設けられていることを特徴とするカバーユニット。
The cover unit according to claim 3,
The reinforcing member is provided between the cover member and the cap in a flat plate-like portion that is in contact with an end of the cover member, and in a direction intersecting with the flat plate-like portion, and in the housing-side hollow portion. An insertion portion to be inserted,
The said heat-foamable refractory material is provided in the said insertion part, The cover unit characterized by the above-mentioned.
請求項1乃至請求項4のいずれかに記載のカバーユニットと、
前記枠体と、
前記枠体に支持される障子と、
を備えたことを特徴とする建具。
The cover unit according to any one of claims 1 to 4,
The frame;
A shoji supported by the frame,
Joinery characterized by comprising.
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