JP7288948B2 - fireproof fittings - Google Patents

fireproof fittings Download PDF

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Publication number
JP7288948B2
JP7288948B2 JP2021211731A JP2021211731A JP7288948B2 JP 7288948 B2 JP7288948 B2 JP 7288948B2 JP 2021211731 A JP2021211731 A JP 2021211731A JP 2021211731 A JP2021211731 A JP 2021211731A JP 7288948 B2 JP7288948 B2 JP 7288948B2
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lower frame
frame
shoji
outdoor
wall
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JP2022034044A (en
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一儀 山口
孫史 永田
智史 三室
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Sankyo Tateyama Inc
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Sankyo Tateyama Inc
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Priority claimed from JP2018083517A external-priority patent/JP7002987B2/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]

Description

本発明は、建物開口部に配置される防火建具に関する。 The present invention relates to fireproof fittings that are placed in building openings.

建物開口部に配置される建具として、室内側に中空部を有する下枠を備える建具が公知となっている As fittings to be arranged at the opening of a building, fittings having a lower frame having a hollow portion on the indoor side are known.

特開２０１４－９５７５号公報JP 2014-9575 A

上記特許文献１の建具は、下枠の室内側に配置した中空部に気密材を配置して、障子の閉鎖時に気密ラインを形成している。
このような建具においては、気密ラインの室内側に生じる結露を排水する排水経路を形成する場合があるが、そのような場合には、室内側の中空部の上壁と室外側壁にそれぞれ水抜孔を形成することができる。
しかし、建具においては、高い防火性能が求められており、火災時に、中空部の上壁と室外側壁の水抜孔による排水経路を通じて火炎が浸入することに対して対策が必要となる。 In the fittings of Patent Document 1, an airtight material is arranged in a hollow portion arranged on the indoor side of the lower frame to form an airtight line when the shoji is closed.
In such fittings, there are cases where a drainage path is formed to drain condensation that occurs on the indoor side of the airtight line. can be formed.
However, fittings are required to have high fireproof performance, and it is necessary to take measures to prevent flames from entering in the event of a fire through drainage channels formed by drainage holes in the upper wall of the hollow part and the exterior wall.

本発明は、上記の事情を鑑み、排水経路を確実に確保すると共に、火災時には、中空部に形成した排水経路を確実に塞いで、防火性能を向上させることを目的とする。 SUMMARY OF THE INVENTION In view of the above circumstances, it is an object of the present invention to reliably secure a drainage path and to reliably close the drainage path formed in the hollow portion in the event of a fire, thereby improving fire prevention performance.

本発明の一実施形態は、下枠と障子を備え、下枠と障子との間に空間が形成されており、下枠は、室内側に中空部を有するとともに、中空部の上壁及び室外側壁に排水孔が形成されており、下枠の中空部内における室外側壁の排水孔に対向する部位に加熱により膨張して中空部内から室外側壁の排水孔を介してあふれ出して下枠と障子との間の空間において障子の方向に膨張する膨張材が配置されている防火建具である。 One embodiment of the present invention includes a lower frame and a shoji, a space is formed between the lower frame and the shoji, the lower frame has a hollow portion inside the room, and has an upper wall of the hollow portion and an outdoor wall. A drainage hole is formed in the side wall, and the portion facing the drainage hole of the outdoor wall in the hollow part of the lower frame expands by heating and overflows from the hollow part through the drainage hole of the outdoor wall, and the lower frame and the shoji. It is a fireproof fitting in which an expansive material that expands in the direction of the shoji is arranged in the space between.

本発明の一実施形態により、排水経路を確実に確保すると共に、火災時には、中空部に形成した排水経路を確実に塞いで、防火性能を向上させることができる。 According to one embodiment of the present invention, it is possible to reliably secure a drainage path, and to reliably close the drainage path formed in the hollow portion in the event of a fire, thereby improving fire prevention performance.

本発明の実施形態に係る防火建具の外観図である。BRIEF DESCRIPTION OF THE DRAWINGS It is an external view of the fireproof fittings which concern on embodiment of this invention. 本発明の実施形態に係る防火建具の竪断面図である。1 is a vertical cross-sectional view of a fireproof fitting according to an embodiment of the present invention; FIG. 本発明の実施形態に係る防火建具の横断面図である。1 is a cross-sectional view of a fireproof fitting according to an embodiment of the present invention; FIG. 本発明の実施形態に係る防火建具の下枠部分の竪断面図である。It is a vertical cross-sectional view of the lower frame portion of the fireproof fittings according to the embodiment of the present invention. 本発明の実施形態に係る防火建具の下枠部分の図であり、（ａ）（ｂ）は下枠に配置する加熱膨張材の正面図であり、（ｃ）は下枠の正面図及び対応する竪断面図である。It is a figure of the lower frame part of the fireproof fittings concerning embodiment of this invention, (a)(b) is a front view of the thermal expansion material arrange|positioned at a lower frame, (c) is a front view of a lower frame, and correspondence It is a vertical cross-sectional view. 本発明の実施形態に係る防火建具の下枠部分の拡大斜視図である。It is an expansion perspective view of the lower frame part of the fireproof fittings which concern on embodiment of this invention.

本発明の一実施形態の防火建具について、図面を参考にして説明する。
（全体の構成）
図１ないし３に示すように、本実施形態の防火建具は、上枠１１、下枠１２及び左、右竪枠１３，１４を四周に組んでなる枠体１の内周に上框２１、下框２２及び左、右竪框２３，２４を四周に組んで内周にガラス等のパネル体２５を嵌め込んでなる障子２を有している。
そして、上枠１１と上框２１との間及び下枠１２と下框２２との間に配置したフリクションバーなどの機構により、外開き自在に配置してなる外開き建具として構成されている。 A fireproof fitting according to one embodiment of the present invention will be described with reference to the drawings.
(Overall composition)
As shown in FIGS. 1 to 3, the fire prevention fittings of this embodiment include an upper frame 21, an upper frame 21, It has a shoji 2 formed by assembling a lower frame 22 and left and right vertical frames 23 and 24 on four sides and fitting a panel body 25 such as glass on the inner periphery.
By means of a mechanism such as a friction bar arranged between the upper frame 11 and the upper frame 21 and between the lower frame 12 and the lower frame 22, it is configured as an outwardly-opening fitting that is freely arranged outwardly.

枠体１を構成する上枠１１は、建物の躯体開口部の内周に配置される上枠本体部１１１と、上枠本体部１１１の室内側より下方に延設される室内側壁部１１２を有している。
室内側壁部１１２の室外側面の下端には、障子２の上框２１の室内側面に当接もしくは近接する気密材を取り付ける気密材取付部１１２ａが形成されており、気密材取付部１１２ａの上方（外周）位置には、加熱膨張材ホルダー１１２ｂが形成されている。 The upper frame 11 that constitutes the frame 1 includes an upper frame main body 111 that is arranged on the inner periphery of the building skeleton opening, and an indoor side wall 112 that extends downward from the indoor side of the upper frame main body 111. have.
At the lower end of the outdoor side surface of the indoor side wall portion 112, an airtight material mounting portion 112a for attaching an airtight material that abuts or is close to the indoor side surface of the upper frame 21 of the shoji 2 is formed. A heat expansion material holder 112b is formed at the outer peripheral position.

また、上枠本体部１１１の室外側端には、閉鎖時に障子２の上框２１の室外側部上端に当接もしくは近接する気密材を取り付ける気密材取付部１１１ａが形成されている。 At the outdoor end of the upper frame main body 111, there is formed an airtight material attachment portion 111a for attaching an airtight material that abuts or approaches the upper end of the outdoor side portion of the upper frame 21 of the shoji 2 when closed.

枠体１を構成する下枠１２は、建物の躯体開口部の内周に配置される下枠本体部１２１と、下枠本体部１２１の室内側より立ち上がる中空部１２２を有している。
中空部１２２を構成する室外側壁１２２ａの室外側面の上端には、障子２の下框２２の室内側面に当接もしくは近接する気密材を取り付ける気密材取付部１２２ｓが形成されており、気密材取付部１２２ｓの下方（外周）位置には、加熱膨張材ホルダー１２２ｔが形成されている。 The lower frame 12 constituting the frame 1 has a lower frame main body 121 arranged on the inner circumference of the opening of the frame of the building, and a hollow part 122 rising from the indoor side of the lower frame main body 121 .
At the upper end of the outdoor side surface of the outdoor side wall 122a that constitutes the hollow portion 122, an airtight material mounting portion 122s for attaching an airtight material that abuts or is close to the indoor side surface of the lower frame 22 of the shoji 2 is formed. A heat expansion material holder 122t is formed at a lower (peripheral) position of the portion 122s.

枠体１を構成する左竪枠１３は、建物の躯体開口部の内周に配置される左竪枠本体部１３１と、左竪枠本体部１３１の室内側より内周側に延びる室内側壁部１３２を有している。
室内側壁部１３２の室外側面の内周端には、障子２の左竪框２３の室内側面に当接もしくは近接する気密材を取り付ける気密材取付部１３２ａが形成されているとともに、気密材取付部１３２ａの外周位置には、加熱膨張材ホルダー１３２ｂが形成されている。
なお、枠体１を構成する右竪枠１４については、その構成は左竪枠１３とほぼ同様であるので、その説明は省略する。 The left vertical frame 13 that constitutes the frame 1 includes a left vertical frame main body 131 arranged on the inner periphery of the building skeleton opening, and an indoor side wall extending from the indoor side of the left vertical frame main body 131 to the inner peripheral side. 132.
At the inner peripheral end of the outdoor side surface of the indoor side wall portion 132, an airtight material mounting portion 132a for attaching an airtight material that abuts or is close to the indoor side surface of the left vertical frame 23 of the shoji 2 is formed. A heat expansion material holder 132b is formed at the outer peripheral position of 132a.
The structure of the right vertical frame 14 constituting the frame body 1 is substantially the same as that of the left vertical frame 13, so the description thereof will be omitted.

障子２の上框２１は、中空部２１１ａを有する上框本体２１１と、上框本体２１１の室内側下面に取り付けられる押縁材２１２を有しており、上框本体２１１の中空部２１１ａの室外側下面から下方に延設された室外側間口壁部２１１ｂと押縁材２１２とによりパネル間口が形成されている。 The upper stile 21 of the shoji 2 has an upper stile body 211 having a hollow portion 211a and a rim member 212 attached to the lower surface of the upper stile body 211 on the indoor side. A panel frontage is formed by the outdoor-side frontage wall portion 211b extending downward from the lower surface and the stiffening member 212 .

障子２の下框２２は、中空部２２１ａを有する下框本体２２１と、下框本体２２１の室内側上面に取り付けられる押縁材２２２を有しており、下框本体２２１の中空部２２１ａの室外側上面から上方に延設された室外側間口壁部２２１ｂと押縁材２２２とによりパネル間口が形成されている。 The lower stile 22 of the shoji 2 has a lower stile body 221 having a hollow portion 221a, and a stiffening member 222 attached to the upper surface of the lower stile body 221 on the indoor side. A panel frontage is formed by an outdoor-side frontage wall portion 221b extending upward from the upper surface and a stiffening member 222. As shown in FIG.

障子２の左竪框２３は、中空部２３１ａを有する左竪框本体２３１と、左竪框本体２３１の室内側内周面に取り付けられる押縁材２３２を有しており、左竪框本体２３１の中空部２３１ａの室外側内周面から内周方向に延設された室外側間口壁部２３１ｂと押縁材２３２とによりパネル間口が形成されている。
左竪框本体２３１の中空部２３１ａの室外側端から外周方向に向かって室外側壁２３１ｃが延設されており、室外側壁２３１ｃの端部に左竪枠１３との間を気密する気密材が設けられている。
なお、障子２を構成する右竪框２４については、その構成は左竪框２３とほぼ同様であるので、その説明は省略する。 The left vertical frame 23 of the shoji 2 has a left vertical frame body 231 having a hollow portion 231a, and a stiffening member 232 attached to the inner peripheral surface of the left vertical frame body 231. A panel frontage is formed by an outdoor-side frontage wall portion 231b extending in the inner peripheral direction from the outdoor-side inner peripheral surface of the hollow portion 231a and the rim member 232 .
An outdoor wall 231c extends from the outdoor end of the hollow portion 231a of the left vertical frame main body 231 toward the outer circumference, and an airtight material is provided at the end of the outdoor wall 231c to seal the gap with the left vertical frame 13. It is
The structure of the right vertical frame 24 constituting the shoji 2 is substantially the same as that of the left vertical frame 23, so the description thereof will be omitted.

次に、本実施形態の防火建具の下枠１２の構成について、図４ないし６を参考にして、更に詳細に説明する。
図４（ａ）に示すように、下枠１２の室内側に立ち上がる中空部１２２は、室外側壁１２２ａと、上壁１２２ｂと、室内側壁１２２ｃを有しており、室外側壁１２２ａの室外側面の上端に配置される気密材ｓと障子２の下框２２の室内側面とによって、下枠の室内側の気密ラインが形成されている。 Next, the structure of the lower frame 12 of the fireproof fittings of this embodiment will be described in more detail with reference to FIGS.
As shown in FIG. 4(a), the hollow portion 122 of the lower frame 12, which rises to the indoor side, has an outdoor side wall 122a, an upper wall 122b, and an indoor side wall 122c. An airtight line of the lower frame on the indoor side is formed by the airtight material s arranged in the lower frame and the indoor side surface of the lower frame 22 of the shoji 2. - 特許庁

そして、中空部１２２の上壁１２２ｂの適宜位置には排水孔１２２ｍが形成されるとともに、室外側壁１２２ａの適宜位置に排水孔１２２ｎが形成されることで、中空部１２２内の空間Ａには、下枠１２の室内側の気密ラインより室内側に生じる結露水等を排水する排水経路Ｘが形成されている。
なお、排水孔１２２ｍ及び排水孔１２２ｎには、必要に応じて逆止弁等を設けることができる。 A drain hole 122m is formed at an appropriate position on the upper wall 122b of the hollow part 122, and a drain hole 122n is formed at an appropriate position on the outdoor wall 122a. A drainage path X for draining condensed water or the like generated inside the room is formed from an airtight line on the room side of the lower frame 12 .
A check valve or the like can be provided in the drain hole 122m and the drain hole 122n as necessary.

また、本実施形態の防火建具は、図４（ｂ）に示すように、火災時に、下枠１２と下框２２との間の空間Ｂを介して火炎や煙が侵入することを防止するために、中空部１２２の室外側壁１２２ａの室外側面に加熱により膨張する第１の加熱膨張材６１が配置されており、火災時に第１の加熱膨張材６１が膨張することで、下枠１２と下框２２との間の空間Ｂを閉塞することができる。 In addition, as shown in FIG. 4B, the fire prevention fittings of the present embodiment are designed to prevent flames and smoke from entering through the space B between the lower frame 12 and the lower frame 22 in the event of a fire. A first heat expansion material 61 that expands when heated is arranged on the outdoor side surface of the outdoor side wall 122 a of the hollow part 122 . The space B between the frame 22 can be closed.

このとき、下枠１２の中空部１２２の室外側壁１２２ａに排水孔１２２ｎが形成されていることから、下枠１２の室外側壁１２２ａの排水孔１２２ｎが形成された位置に配置される第１の加熱膨張材６１については、図５（ｂ）に示すように、排水孔部分６１１ａが除かれた加熱膨張材６１１が配置されている。
これによって、下枠部分における排水経路Ｘを確保することができ、また、第１の加熱膨張材６１の結露水による劣化を防ぐことができる。 At this time, since the drain hole 122n is formed in the outdoor wall 122a of the hollow portion 122 of the lower frame 12, the first heating device arranged at the position where the drain hole 122n of the outdoor wall 122a of the lower frame 12 is formed. As for the expansive material 61, as shown in FIG. 5B, a thermal expansive material 611 from which the drain hole portion 611a is removed is arranged.
As a result, the drainage path X in the lower frame portion can be secured, and deterioration of the first thermal expansion member 61 due to condensation water can be prevented.

しかし、排水孔部分６１１ａが除かれた第１の加熱膨張材６１１を配置することで、火災時に、下枠１２と下框２２との間の空間Ｂにおける排水孔１２２ｎに対向する部分に加熱膨張材が十分に充満することができずに、隙間が生じてしまう可能性があり、中空部１２２に形成した排水経路Ｘを介して煙や火炎が浸入するおそれがあった。
そこで、本実施形態の防火建具においては、下枠１２の中空部１２２内の室内側壁１２２ｃであって、室外側壁１２２ａに形成した排水孔１２２ｎに対応する位置に、図５、図６に示すように、第２の加熱膨張材６２を配置している。 However, by arranging the first thermal expansion material 611 from which the drain hole portion 611a is removed, in the event of a fire, the portion opposite to the drain hole 122n in the space B between the lower frame 12 and the lower frame 22 is thermally expanded. There is a possibility that the material cannot be sufficiently filled and a gap may be generated, and there is a possibility that smoke or flame may enter through the drainage path X formed in the hollow portion 122 .
Therefore, in the fire prevention fittings of the present embodiment, the inner side wall 122c in the hollow portion 122 of the lower frame 12 is provided at a position corresponding to the drain hole 122n formed in the outer side wall 122a, as shown in FIGS. , a second thermal expansion member 62 is arranged.

このように中空部１２２内の排水孔１２２ｎに対応する部位に第２の加熱膨張材６２を配置することで、火災時には、室外側壁１２２ａに設けた第１の加熱膨張材６１が膨張して下枠１２と下框２２との間の空間Ｂに充満するとともに、第２の加熱膨張材６２が膨張することで下枠１２の中空部１２２内に形成された排水経路Ｘを閉塞することができる。
さらに、第２の加熱膨張材６２は、排水孔１２２ｎを介して室外側にあふれ出し、第１の加熱膨張材６１により充満しきれない空間を満たして、下枠１２と下框２２との間の空間Ｂをより完全に閉塞することができる。 By arranging the second heat expansion material 62 in the part corresponding to the drain hole 122n in the hollow part 122 in this way, the first heat expansion material 61 provided on the outdoor side wall 122a expands and falls downward in the event of a fire. The space B between the frame 12 and the lower frame 22 is filled with the water, and the second heat expansion material 62 expands, so that the drainage path X formed in the hollow portion 122 of the lower frame 12 can be blocked. .
Furthermore, the second thermal expansion material 62 overflows to the outside of the room through the drain hole 122n, fills the space that cannot be completely filled with the first thermal expansion material 61, and fills the gap between the lower frame 12 and the lower frame 22. space B can be more completely occluded.

以上のように、本実施形態の防火建具によれば、中空部の室外側面に配置される膨張材は、排水孔を除く部位に配置されているので、排水孔によって形成される排水経路の排水を妨げることがなく、排水経路の排水によって加熱膨張材が劣化することを抑制することができる。
また、火災時には、中空部の室外側面に配置される加熱膨張材が下枠と障子の下框との間の隙間を塞ぐと共に、室外側壁の排水孔が配置される位置については、中空部内に配置される膨張材が排水孔を塞ぐと共に、下枠と障子の下框との間の隙間に充満されるので、下枠と障子との間において、室内外の連通を抑制することができる。 As described above, according to the fire prevention fittings of the present embodiment, the expansive material arranged on the outdoor side surface of the hollow portion is arranged in a portion excluding the drainage hole, so that the drainage of the drainage path formed by the drainage hole It is possible to suppress the deterioration of the thermally expansive material due to the drainage in the drainage path.
In the event of a fire, the thermal expansion material placed on the outdoor side of the hollow part closes the gap between the lower frame and the lower stile of the shoji. The expansive material placed closes the drainage hole and fills the gap between the lower frame and the lower frame of the shoji, so communication between the indoor and outdoor spaces between the lower frame and the shoji can be suppressed.

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

１ ：枠体
２ ：障子
１２ ：下枠
１２１ ：下枠本体部
１２２ ：中空部
１２２ａ ：室外側壁
１２２ｂ ：上壁
１２２ｃ ：室内側壁
１２２ｍ ：排水孔
１２２ｎ ：排水孔
１２２ｓ ：気密材取付部
１２２ｔ ：加熱膨張材ホルダー
６１（６１１）：第１の加熱膨張材
６１１ａ ：排水孔部分
６２ ：第２の加熱膨張材

1: Frame 2: Shoji 12: Lower frame 121: Lower frame main body 122: Hollow part 122a: Outdoor side wall 122b: Upper wall 122c: Indoor side wall 122m: Drainage hole 122n: Drainage hole 122s: Airtight material attachment part 122t: Heating Expansion material holder 61 (611): first heat expansion material 611a: drainage hole portion 62: second heat expansion material

Claims (1)

下枠と障子を備え、
下枠と障子との間に空間が形成されており、
下枠は、室内側に中空部を有するとともに、中空部の上壁及び室外側壁に排水孔が形成されており、
下枠の中空部内における室外側壁の排水孔に対向する部位に加熱により膨張して中空部内から室外側壁の排水孔を介してあふれ出して下枠と障子との間の空間において障子の方向に膨張する膨張材が配置されている防火建具。 Equipped with a lower frame and shoji,
A space is formed between the lower frame and the shoji,
The lower frame has a hollow portion on the indoor side, and drainage holes are formed in the upper wall and the outdoor wall of the hollow portion,
In the hollow part of the lower frame, the part opposite to the drainage hole of the outdoor wall expands by heating, overflows from the hollow part through the drainage hole of the outdoor wall, and expands in the direction of the shoji in the space between the lower frame and the shoji. fire-retardant fittings in which expansive material is placed.
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014118761A (en) 2012-12-18 2014-06-30 Fujisash Co Fittings with glass

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Publication number Priority date Publication date Assignee Title
JP6503258B2 (en) * 2015-08-04 2019-04-17 Ykk Ap株式会社 Joiner
JP6567944B2 (en) * 2015-10-09 2019-08-28 ナブテスコ株式会社 Fire door

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014118761A (en) 2012-12-18 2014-06-30 Fujisash Co Fittings with glass

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