JP2016148225A - Fireproof fittings - Google Patents

Fireproof fittings Download PDF

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JP2016148225A
JP2016148225A JP2015026808A JP2015026808A JP2016148225A JP 2016148225 A JP2016148225 A JP 2016148225A JP 2015026808 A JP2015026808 A JP 2015026808A JP 2015026808 A JP2015026808 A JP 2015026808A JP 2016148225 A JP2016148225 A JP 2016148225A
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outdoor
piece
shape
indoor
frame
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栄治 川▲崎▼
Eiji Kawasaki
栄治 川▲崎▼
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YKK AP Inc
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YKK AP Inc
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Abstract

PROBLEM TO BE SOLVED: To provide fireproof fittings capable of achieving improvement of flame shielding properties by suppressing temperature rise of a heat insulation material.SOLUTION: An entrance door 1, which is fireproof fittings, includes a frame body 10 and a door 50. The frame body 10 includes an outdoor side shape 21, an indoor side shape 22, a heat insulation material 23 interposed between the outdoor side shape 21 and the indoor side shape 22 and a reinforcement material 24 for reinforcing the outdoor side shape 21. The outdoor side shape 21 has an outdoor side holding part 214 for holding the heat insulation material 23, and an indoor side face piece part 215 extending from the outdoor side holding part 214. The indoor side shape 22 has an indoor side holding part 225 for holding the heat insulation material 23. The reinforcement material 24 has a body piece part 241 arranged along an outdoor surface of the indoor side face piece part 215, and a separation piece part 243 arranged being separated on the outdoor side from the outdoor side holding part 214.SELECTED DRAWING: Figure 2

Description

本発明は、断熱枠を備えたドア、サッシなどの防火建具に関する。   The present invention relates to a fire prevention fitting such as a door and a sash provided with a heat insulating frame.

従来、防火建具として、上枠、下枠、左右の竪枠を四周組みしてなる枠と、枠内に設置される扉とを備え、上枠および左右の竪枠は、室外側形材と、室内側形材と、室外側形材および室内側形材を繋ぐ断熱材とをそれぞれ備える断熱防火ドアが提案されている(特許文献1参照)。室外側形材および室内側形材は、各々対向する側に断熱材を保持する断熱材ホルダーを有する。
この断熱防火ドアは、左右の竪枠の室外側形材の断熱材ホルダーの室外側面に当接する室外側挟み部材と、左右の竪枠の室内側形材の断熱材ホルダーの室内側面に当接する室内側挟み部材とを有する挟み具をさらに備えている。室外側挟み部材および室内側挟み部材は、室外側形材の室内側壁を挟んで固定されている。
Conventionally, as a fire prevention fixture, an upper frame, a lower frame, a frame formed by assembling four left and right frame frames, and a door installed in the frame, the upper frame and the left and right frame frames are outdoor shape members. There has been proposed a heat-insulating fire door comprising an indoor-side profile, and an outdoor profile and an insulating material that connects the indoor profile (see Patent Document 1). Each of the outdoor shape and the indoor shape has a heat insulating material holder that holds the heat insulating material on opposite sides.
The heat insulation fire door is in contact with the outdoor side sandwiching member that contacts the outdoor side surface of the heat insulating material holder of the outdoor shape of the left and right eaves frame and the indoor side surface of the heat insulating material holder of the indoor side shape of the left and right eaves frame. It further includes a pinching tool having an indoor side pinching member. The outdoor side pinching member and the indoor side pinching member are fixed across the indoor side wall of the outdoor shape member.

この断熱防火ドアでは、挟み具によって左右の竪枠の室外側形材および室内側形材を挟んで固定しているため、火災の熱によって室外側形材および室内側形材間の断熱材が溶融した場合でも、室外側形材が室内側形材から室外側へ離れるように変形することを抑制できる。つまり、室外側形材が室内側形材に対して離れようとしたときに室外側形材の室内側壁に離れようとする力が作用するが、室外側形材の室内側壁を室外側挟み部材と室内側挟み部材とで挟んで固定しているので、室外側形材の室内側壁を補強できるから、室外側形材が室外側へ離れることを抑制できる。これにより、火災の熱により断熱材が溶融した場合でも、扉と枠との間から火炎が噴出して延焼するおそれを低減できる。   In this heat insulation fire prevention door, since the outdoor shape of the left and right frame and the indoor shape are sandwiched and fixed by the sandwiching tool, the heat insulation between the outdoor shape and the indoor shape is caused by the heat of the fire. Even when melted, the outdoor shape can be prevented from being deformed so as to be separated from the indoor shape to the outdoor side. That is, when the outdoor shape member is about to be separated from the indoor shape member, a force is exerted on the indoor side wall of the outdoor shape member. Since the indoor side wall of the outdoor shape member can be reinforced, the outdoor shape member can be prevented from separating to the outdoor side. Thereby, even when the heat insulating material is melted by the heat of the fire, it is possible to reduce the risk that a flame is ejected from the space between the door and the frame and spreads.

特開2014−163074号公報JP 2014-163074 A

ところで、特許文献1に記載の断熱防火ドアでは、挟み具によって室外側形材が室外側へ離れるのを防止できるとしても、火災の熱により断熱材が溶融してしまう。このため、断熱材が残存する場合と比べ、室外側形材と室内側形材との間などに面外方向の隙間が生じやすい状態となり、遮炎性が低下するおそれがある。また、断熱材が温度上昇することで可燃ガスを発生するおそれもある。   By the way, in the heat insulation fire prevention door of patent document 1, even if it can prevent that an outdoor side shape material leaves | separates to an outdoor side with a pinching tool, a heat insulation material will fuse | melt by the heat of a fire. For this reason, compared with the case where a heat insulating material remains, it will be in the state which tends to produce the gap | interval of an out-of-plane direction between an outdoor shape and an indoor shape, and there exists a possibility that flame-shielding property may fall. Moreover, there exists a possibility that combustible gas may be generated when a temperature rises a heat insulating material.

本発明の目的は、断熱材の温度上昇を抑制して遮炎性の向上を図ることのできる防火建具を提供することにある。   An object of the present invention is to provide a fire prevention fitting capable of suppressing a temperature rise of a heat insulating material and improving flame shielding properties.

本発明の防火建具は、枠体と、前記枠体内に設置される面材とを備え、前記枠体は、室外側形材と、前記室外側形材よりも室内側に位置する室内側形材と、前記室外側形材および前記室内側形材間に介在される断熱材と、前記室外側形材を補強する補強材とを備え、前記室外側形材は、前記断熱材を保持する室外側保持部と、前記室外側保持部から延出した見付け片部とを有し、前記室内側形材は、前記断熱材を保持する室内側保持部を有し、前記補強材は、前記見付け片部の室外面に沿って配置される本体片部と、前記室外側保持部から室外側に離間して配置される離間片部とを有することを特徴とする。   The fire prevention joinery of the present invention includes a frame and a face material installed in the frame, and the frame is an outdoor shape and an indoor shape located on the indoor side of the outdoor shape. A material, a heat insulating material interposed between the outdoor shape and the indoor shape, and a reinforcing material that reinforces the outdoor shape, and the outdoor shape holds the heat insulating material. An outdoor side holding part and a finding piece part extending from the outdoor side holding part, the indoor side profile has an indoor side holding part that holds the heat insulating material, and the reinforcing material It has a main-body piece part arrange | positioned along the outdoor surface of a finding piece part, and the separated piece part arrange | positioned spaced apart from the said outdoor side holding | maintenance part to the outdoor side.

本発明の防火建具によれば、離間片部が室外側保持部から離間して位置するため、室外側形材の一部が溶融し、補強材が火炎に晒されて熱せられても、補強材から室外側保持部に直接に熱伝達されることがなく、室外側保持部を通じて断熱材が温度上昇することを抑制できる。
このように断熱材の温度上昇を抑えることで、断熱材の軟化や溶融に基づき枠体の面外方向における隙間が大きくなることや、断熱材から可燃ガスが発生することを抑制でき、遮炎性を向上できる。
さらに、補強材が見付け片部に沿って配置されて室外側形材を補強するため、火災の熱により室外側形材が熱せられ変形しやすい状態となっても、補強材によって室外側形材の形状を維持することで枠体の面外方向の隙間が大きくなることを抑制でき、遮炎性を向上できる。
According to the fire prevention fitting of the present invention, since the separated piece portion is positioned away from the outdoor holding portion, even if a part of the outdoor shape member melts and the reinforcing material is exposed to the flame and heated, the reinforcement Heat is not directly transferred from the material to the outdoor holding portion, and the temperature rise of the heat insulating material can be suppressed through the outdoor holding portion.
By suppressing the temperature rise of the heat insulating material in this way, it is possible to suppress the gap in the out-of-plane direction of the frame body based on the softening and melting of the heat insulating material, and to prevent the generation of flammable gas from the heat insulating material. Can be improved.
Furthermore, since the reinforcing material is arranged along the finding piece portion and reinforces the outdoor shape, the outdoor shape is improved by the reinforcing material even if the outdoor shape is heated and easily deformed by the heat of the fire. By maintaining this shape, it is possible to suppress an increase in the gap in the out-of-plane direction of the frame, and it is possible to improve the flame barrier properties.

本発明の防火建具では、前記離間片部と前記室外側保持部との間には、加熱発泡材が配置されることが好ましい。
このような構成によれば、離間片部と室外側保持部との間に加熱発泡材が配置されるため、室外側での火災の熱によって熱せられた加熱発泡材が発泡することで、離間片部と室外側保持部との間を塞ぐことができ、室外側保持部を室外側から覆うことができる。これにより、室外側形材の一部が溶融した場合に、室外側保持部が火炎に晒されて熱せられることがなく、断熱材が室外側保持部から熱伝達されて温度上昇することを抑制できる。
In the fire prevention fitting of the present invention, it is preferable that a heating foam material is disposed between the spacing piece portion and the outdoor side holding portion.
According to such a configuration, since the heating foam material is disposed between the separation piece portion and the outdoor side holding portion, the heating foam material heated by the heat of the fire on the outdoor side foams, thereby separating the heating foam material. The space between the one part and the outdoor side holding part can be closed, and the outdoor side holding part can be covered from the outdoor side. As a result, when a part of the outdoor shape member is melted, the outdoor holding part is not exposed to the flame and is not heated, and the heat insulating material is prevented from heat transfer from the outdoor holding part and the temperature rise. it can.

本発明の防火建具では、前記室外側形材は、前記室外側保持部に連続する見込み片部を有し、前記離間片部は、前記見込み片部に対して隙間を隔てて配置されることが好ましい。
このような構成によれば、離間片部が見込み片部に隙間を隔てて配置されるため、離間片部と見込み片部との熱伝達をなくすことができ、断熱材の周囲における熱伝達箇所を削減できる。また、離間片部と室外側保持部との間に加熱発泡材が配置される場合には、当該加熱発泡材の発泡によって前述した隙間を塞ぐことできる。
In the fire prevention joinery of the present invention, the outdoor shape member has a prospective piece portion continuous with the outdoor holding portion, and the spacing piece portion is disposed with a gap with respect to the prospective piece portion. Is preferred.
According to such a configuration, since the spacing piece portion is arranged with a gap between the prospective piece portion, heat transfer between the spacing piece portion and the prospecting piece portion can be eliminated, and the heat transfer location around the heat insulating material Can be reduced. Moreover, when a heating foam material is arrange | positioned between a separation | spacing piece part and an outdoor side holding | maintenance part, the clearance gap mentioned above can be plugged up by foaming of the said heating foam material.

本発明の防火建具では、前記本体片部と前記見付け片部との間には、加熱発泡材が介在されることが好ましい。
このような構成によれば、本体片部と見付け片部との間に介在される加熱発泡材によって本体片部と見付け片部との熱伝達を遮断でき、断熱性を向上できる。
また、火災の熱により、本体片部と見付け片部との間に介在された加熱発泡材が発泡することで見付け片部を広範囲に覆うことができ、遮炎性を向上できる。
In the fire prevention fitting of the present invention, it is preferable that a heating foam material is interposed between the main body piece portion and the finding piece portion.
According to such a configuration, heat transfer between the main body piece portion and the found piece portion can be blocked by the heating foam material interposed between the main body piece portion and the found piece portion, and the heat insulation can be improved.
In addition, the heat foaming material interposed between the main body piece portion and the finding piece portion foams due to the heat of the fire, so that the finding piece portion can be covered over a wide area, and the flame shielding property can be improved.

本発明の防火建具では、前記補強材を建物躯体に取り付ける取付部材を備え、前記取付部材と前記見付け片部との間には断熱材または加熱発泡材が介在されることが好ましい。
このような構成によれば、取付部材と見付け片部との間に断熱材または加熱発泡材が介在されることで、見付け片部から取付部材への熱伝達を遮断でき、断熱性を向上できる。また、取付部材と見付け片部との間に加熱発泡材が介在される場合には、前述したように断熱性を向上できるうえ、火災の熱により発泡して断熱材を覆うことができ、遮炎性を向上できる。
In the fire prevention joinery of this invention, it is preferable to provide the attachment member which attaches the said reinforcing material to a building frame, and a heat insulating material or a heating foam material is interposed between the said attachment member and the said finding piece part.
According to such a configuration, the heat transfer from the found piece part to the attachment member can be cut off and the heat insulation can be improved by interposing the heat insulating material or the heating foam material between the attachment member and the found piece part. . Further, when a heating foam material is interposed between the mounting member and the locating piece, the heat insulating property can be improved as described above, and the heat insulating material can be covered by foaming by the heat of the fire. Can improve flame resistance.

本発明の防火建具では、前記補強材を建物躯体に取り付ける取付部材を備え、前記取付部材は、前記本体片部に連結される連結片部と、前記室内側形材を建物躯体に固定する固定ネジが挿通される固定片部とを有することが好ましい。
このような構成によれば、固定片部に固定ネジが挿通されるため、室内側形材を建物躯体に固定する固定ネジと、取付部材を建物躯体に固定する固定ネジとを共通化できる。
また、固定ネジはステンレス等の金属材料によって構成されるが、例えば室内側形材がアルミ押出形材によって形成される場合には、固定ネジは室内側形材よりも高強度である。このため、固定片部に固定ネジが挿通されて建物躯体に取り付けられる場合には、取付部材が室内側形材に取り付けられる場合と比べ、火災の熱により室内側形材の構造が不安定となっても、建物躯体への取付状態を維持できる。
In the fire prevention joinery of the present invention, it is provided with an attachment member for attaching the reinforcing member to the building frame, and the attachment member is fixed to the connecting piece part connected to the main body piece part and to fix the indoor side profile to the building frame. It is preferable to have a fixed piece part through which a screw is inserted.
According to such a configuration, since the fixing screw is inserted into the fixing piece portion, the fixing screw for fixing the indoor shape member to the building frame and the fixing screw for fixing the mounting member to the building frame can be made common.
The fixing screw is made of a metal material such as stainless steel. For example, when the indoor side shape is formed of an aluminum extruded shape, the fixing screw has higher strength than the indoor side shape. For this reason, when the fixing screw is inserted into the fixing piece and attached to the building frame, the structure of the indoor side profile is unstable due to the heat of the fire compared to the case where the mounting member is attached to the indoor side profile. Even if it becomes, the attachment state to the building frame can be maintained.

本発明の防火建具では、前記見付け片部は、前記枠体の見付け方向外側の部分が建物躯体に当接した状態で、前記枠体の見付け方向内側の部分が建物躯体から離間して位置することが好ましい。
このような構成によれば、枠体の見付け方向内側の部分が建物躯体から離間して位置するため、例えば、補強材を建物躯体に取り付ける取付部材を備える場合には、見付け片部の室内面と建物躯体の外壁面との間に取付部材の一部(前述した連結片部など)を配置可能なスペースを形成できる。このため、枠体の見込み方向において取付部材の一部を建物躯体と並ぶ位置に配置でき、例えば、枠体の見付け方向において取付部材全体を建物躯体と並ぶ位置に配置する場合と比べ、枠体の見付け方向寸法を小さくできる。
In the fire prevention fitting according to the present invention, the finding piece portion is positioned such that a portion inside the finding direction of the frame body is separated from the building case in a state where a portion outside the finding direction of the frame body is in contact with the building case. It is preferable.
According to such a configuration, the inner portion of the frame body in the direction in which the frame body is found is positioned away from the building frame. For example, when the mounting member for attaching the reinforcing material to the building frame is provided, A space in which a part of the mounting member (such as the connecting piece described above) can be disposed can be formed between the outer wall surface of the building and the building. For this reason, a part of the mounting member can be arranged at a position aligned with the building frame in the prospective direction of the frame, for example, compared to a case where the entire mounting member is arranged at a position aligned with the building frame in the direction of finding the frame. The size in the direction of finding can be reduced.

本発明の防火建具では、断熱材を面材側から覆って設けられる加熱発泡材をさらに備えることが好ましい。
このような構成によれば、断熱材を面材側から覆う加熱発泡材を備えるため、この加熱発泡材が発泡していない状態でも、断熱材が面材側から火炎に晒されることを防止できる。また、火災の熱により当該加熱発泡材が発泡した場合には、面材と枠体との間を塞ぐことができる。
In the fire prevention joinery of this invention, it is preferable to further provide the heating foam material provided by covering a heat insulating material from the face material side.
According to such a configuration, since the heating foam material that covers the heat insulating material from the face material side is provided, the heat insulating material can be prevented from being exposed to the flame from the face material side even when the heat foam material is not foamed. . Moreover, when the said heating foaming material foams with the heat of a fire, it can block | close between a face material and a frame.

本発明によれば、断熱材の温度上昇を抑制して遮炎性の向上を図ることのできる防火建具を提供できる。   ADVANTAGE OF THE INVENTION According to this invention, the fire prevention fitting which can aim at the improvement in flame-shielding property by suppressing the temperature rise of a heat insulating material can be provided.

本発明の実施形態に係る玄関ドアを示す外観姿図。The external appearance figure which shows the entrance door which concerns on embodiment of this invention. 前記実施形態に係る玄関ドアを示す縦断面図。The longitudinal cross-sectional view which shows the entrance door which concerns on the said embodiment. 前記実施形態に係る玄関ドアを示す横断面図。The cross-sectional view which shows the entrance door which concerns on the said embodiment. 前記実施形態に係る玄関ドアの要部を拡大して示す縦断面図。The longitudinal cross-sectional view which expands and shows the principal part of the entrance door which concerns on the said embodiment. 前記実施形態に係る玄関ドアの加熱発泡材の発泡状態を示す縦断面図。The longitudinal cross-sectional view which shows the foaming state of the heating foam material of the entrance door which concerns on the said embodiment.

[本実施形態の構成]
以下、本発明の実施形態を図面に基づいて説明する。
図1〜3において、本実施形態に係る防火建具である玄関ドア1は、建物の壁開口部に設けられて室内外を区切るものであり、建物躯体2に取り付けられる枠体10(ドア枠)と、枠体10に開閉自在に支持される面材としての扉50(ドア本体)とを備えて構成されている。
[Configuration of this embodiment]
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1-3, the entrance door 1 which is a fire prevention fixture which concerns on this embodiment is provided in the wall opening part of a building, and divides the interior and exterior, The frame 10 (door frame) attached to the building frame 2 And a door 50 (door body) as a face material supported by the frame 10 so as to be freely opened and closed.

枠体10は、上枠20、下枠30および左右の縦枠40を四周枠組みして構成されている。図1において右側に示す縦枠40は吊元側の縦枠40であり、図1において左側に示す縦枠40は戸先側の縦枠40である。下枠30は、図2に示すように、アルミ押出形材によって形成された金属枠材であり、その室内側部分に気密材12が係合する係合溝部31が設けられている。また、金属枠材のうち係合溝部31よりも室内側の部分には、室内側において金属枠材を覆う樹脂製の断熱カバー32が取り付けられている。   The frame body 10 is configured by a four-frame framework of an upper frame 20, a lower frame 30, and left and right vertical frames 40. The vertical frame 40 shown on the right side in FIG. 1 is the vertical frame 40 on the hanging side, and the vertical frame 40 shown on the left side in FIG. 1 is the vertical frame 40 on the door end side. As shown in FIG. 2, the lower frame 30 is a metal frame member formed by an aluminum extruded shape member, and an engagement groove portion 31 with which the airtight member 12 engages is provided on the interior side portion thereof. In addition, a resin heat insulating cover 32 that covers the metal frame material on the indoor side is attached to a portion of the metal frame material on the indoor side of the engagement groove 31.

上枠20は、図2,4に示すように、室外側形材21と、室内側形材22と、断熱材23と、補強材24と、取付部材25とを備えている。
室外側形材21および室内側形材22は、アルミ押出形材によってそれぞれ形成されている。断熱材23はウレタンフォームなどによって形成されている。補強材24および取付部材25は、室外側形材21および室内側形材22よりも高強度なスチール鋼板などの金属製材料によって構成されている。
As shown in FIGS. 2 and 4, the upper frame 20 includes an outdoor-side shape member 21, an indoor-side shape member 22, a heat insulating material 23, a reinforcing material 24, and an attachment member 25.
The outdoor side shape material 21 and the indoor side shape material 22 are each formed by the aluminum extrusion shape material. The heat insulating material 23 is formed of urethane foam or the like. The reinforcing member 24 and the attachment member 25 are made of a metal material such as a steel plate having higher strength than the outdoor shape 21 and the indoor shape 22.

室外側形材21は、室外側見付け片部211と、上側見込み片部212(外側見込み片部)と、下側見込み片部213(内側見込み片部)と、室外側保持部214と、室内側見付け片部215(見付け片部)と、取付片部216と有して構成されている。   The outdoor-side shape member 21 includes an outdoor-side finding piece portion 211, an upper-side prospective piece portion 212 (outside-looking piece portion), a lower-side prospective piece portion 213 (inner-side prospective piece portion), an outdoor-side holding portion 214, It has an inner side piece piece 215 (fitting piece part) and a mounting piece part 216.

室外側見付け片部211の上縁は上側見込み片部212の室外縁に連続している。室外側見付け片部211の下縁は下側見込み片部213の室外縁に連続している。下側見込み片部213の室内縁は室外側保持部214に連続している。室内側見付け片部215の上縁は上側見込み片部212の室内縁に連続している。室内側見付け片部215の下縁は室外側保持部214に連続している。取付片部216は上側見込み片部212の室内縁に連続しており、室内側見付け片部215よりも上方に位置している。室外側見付け片部211、上側見込み片部212、下側見込み片部213、室外側保持部214および室内側見付け片部215によってホロー部が形成されている。   The upper edge of the outdoor finding piece portion 211 is continuous with the outdoor edge of the upper prospective piece portion 212. The lower edge of the outdoor side finding piece portion 211 is continuous with the outdoor edge of the lower prospective piece portion 213. The indoor edge of the lower prospective piece 213 is continuous with the outdoor holding part 214. The upper edge of the indoor side finding piece 215 is continuous with the indoor edge of the upper prospective piece 212. The lower edge of the indoor side finding piece portion 215 is continuous with the outdoor side holding portion 214. The attachment piece 216 is continuous with the indoor edge of the upper prospective piece 212 and is located above the indoor finding piece 215. A hollow portion is formed by the outdoor-side finding piece portion 211, the upper-side expected piece portion 212, the lower-side expected piece portion 213, the outdoor-side holding portion 214, and the indoor-side finding piece portion 215.

室外側見付け片部211のうち上側見込み片部212に連続する上側部分は、室外側に突出して形成されている。
下側見込み片部213のうち室外側見付け片部211に連続する室外側部分には、ドア閉鎖状態で扉50に当接する水密材11が係合する係合溝部213Aが設けられている。
室外側保持部214は、室内側形材22に対向する面が開口されて凹状に形成されており、断熱材23の室外部分に係合することで当該断熱材23を保持している。
室内側見付け片部215は、建物躯体2の外壁面2Aに対して斜めに配置され、取付部材25の建物躯体2への取付状態で上枠20の見付け方向上側(見付け方向外側)よりも見付け方向下側(見付け方向内側)の部分が建物躯体2から離間して位置する。これにより、室内側見付け片部215のうち上側部分は外壁面2Aに当接して位置し、室内側見付け片部215のうち下側部分は外壁面2Aよりも室外側に離間して位置する。
取付片部216には、ステンレス製の固定ネジ13が挿通されており、この固定ネジ13によって建物躯体2の外壁面2Aに取り付けられている。
An upper portion of the outdoor side finding piece 211 that is continuous with the upper prospective piece 212 is formed to protrude to the outdoor side.
An engagement groove 213A that engages the watertight material 11 that contacts the door 50 when the door is closed is provided in the outdoor portion of the lower prospective piece 213 that is continuous with the outdoor finding piece 211.
The outdoor side holding part 214 is formed in a concave shape with the surface facing the indoor shape member 22 being opened, and holds the heat insulating material 23 by engaging with the outdoor portion of the heat insulating material 23.
The indoor-side finding piece 215 is disposed obliquely with respect to the outer wall surface 2A of the building housing 2 and is found more than the upper side of the upper frame 20 in the finding direction (the finding direction outer side) when the mounting member 25 is attached to the building housing 2. A portion on the lower side in the direction (in the direction of finding) is located away from the building housing 2. Thereby, the upper part of the indoor-side finding piece 215 is positioned in contact with the outer wall surface 2A, and the lower part of the indoor-side finding piece 215 is positioned farther outward than the outer wall surface 2A.
A stainless steel fixing screw 13 is inserted into the mounting piece 216, and is attached to the outer wall surface 2 </ b> A of the building housing 2 by the fixing screw 13.

室内側形材22は、室外側形材21に対して室内側に位置しており、一対の見付け片部221,222と、見込み片部223と、係合片部224とを有して構成されている。
見付け片部221には、室内側保持部225が形成されている。室内側保持部225は、室外側形材21に対向する面が開口されて凹状に形成されており、断熱材23の室内部分に係合することで当該断熱材23を保持している。
見込み片部223の室外縁および室内縁は、見付け片部221,222の下縁にそれぞれ連続しており、室外側形材21の下側見込み片部213と面一に配置されている。見込み片部223には挿通孔223Aが形成されており、挿通孔223Aにステンレス製の固定ネジ14が挿通されることによって建物躯体2の開口形成面2Bに取り付けられている。
見付け片部222の上端部は、室外側に折曲されており、上枠20の建物躯体2への取付状態では、建物躯体2の開口形成面2Bに当接する。
係合片部224には、ドア閉鎖状態で扉50に当接する気密材12が係合する係合溝部224Aが設けられている。
The indoor side shape member 22 is located on the indoor side with respect to the outdoor side shape member 21 and includes a pair of finding piece portions 221, 222, a prospective piece portion 223, and an engagement piece portion 224. Has been.
An indoor side holding portion 225 is formed on the finding piece portion 221. The indoor-side holding part 225 is formed in a concave shape with the surface facing the outdoor shape member 21 being opened, and holds the heat insulating material 23 by engaging with the indoor portion of the heat insulating material 23.
The outdoor edge and the indoor edge of the prospective piece portion 223 are respectively continuous with the lower edges of the finding piece portions 221 and 222, and are arranged flush with the lower prospective piece portion 213 of the outdoor-side shape member 21. An insertion hole 223A is formed in the prospective piece 223, and the stainless steel fixing screw 14 is inserted into the insertion hole 223A, and is attached to the opening forming surface 2B of the building housing 2.
The upper end portion of the finding piece portion 222 is bent to the outdoor side, and comes into contact with the opening forming surface 2 </ b> B of the building housing 2 when the upper frame 20 is attached to the building housing 2.
The engagement piece portion 224 is provided with an engagement groove portion 224A that engages with the airtight member 12 that contacts the door 50 when the door is closed.

断熱材23は、室外側形材21と室内側形材22との間に介在されており、気密材12よりも開口外側に位置している。断熱材23は、室外側形材21および室内側形材22に沿って延びており、室外側保持部214および室内側保持部225に保持されることで、室外側形材21と室内側形材22とをつないでいる。
なお、断熱材23は、後述するように、左右の縦枠40にも設けられており、上枠20および左右の縦枠40に設けられた断熱材23は互いに連続して断熱ラインを形成している。
The heat insulating material 23 is interposed between the outdoor side shape material 21 and the indoor side shape material 22, and is located on the outer side of the opening than the airtight material 12. The heat insulating material 23 extends along the outdoor side shape material 21 and the indoor side shape material 22, and is held by the outdoor side holding portion 214 and the indoor side holding portion 225, whereby the outdoor side shape material 21 and the indoor side shape shape are set. The material 22 is connected.
As will be described later, the heat insulating material 23 is also provided in the left and right vertical frames 40, and the heat insulating materials 23 provided in the upper frame 20 and the left and right vertical frames 40 continuously form a heat insulating line. ing.

補強材24は、室外側形材21の長手方向に沿って延びた板状の通し材によって構成されている。補強材24は、室外側形材21と略同じ長さを有している。補強材24は、室内側見付け片部215に沿って配置される本体片部241と、本体片部241から室外側に折曲された折曲片部242と、折曲片部242から玄関ドア1の開口5側に延びた離間片部243とを有して構成されている。   The reinforcing member 24 is constituted by a plate-shaped through material extending along the longitudinal direction of the outdoor shape member 21. The reinforcing member 24 has substantially the same length as the outdoor shape member 21. The reinforcing member 24 includes a main body piece portion 241 disposed along the indoor-side finding piece portion 215, a bent piece portion 242 bent from the main body piece portion 241 to the outdoor side, and a door from the bent piece portion 242. 1 and a separation piece 243 extending to the opening 5 side.

本体片部241は、取付部材25の後述する連結片部251との間に室内側見付け片部215を挟んでおり、連結片部251に連結ネジ15によって連結されている。連結ネジ15は、ステンレス等の金属材料によって構成されている。
また、本体片部241の室内側見付け片部215に対する対向面には、シート状の加熱発泡材4(4A)が貼りつけられている。加熱発泡材4Aは、本体片部241の長手方向に沿って延びているとともに、本体片部241の一方の側縁(上縁)から他方の側縁(下縁)までの幅を有している。補強材24と取付部材25との連結状態では、加熱発泡材4Aは、本体片部241と室内側見付け片部215との間に介在されている。
The main body piece 241 has an indoor-side finding piece 215 sandwiched between a connecting piece 251 (to be described later) of the mounting member 25, and is connected to the connecting piece 251 by a connecting screw 15. The connecting screw 15 is made of a metal material such as stainless steel.
A sheet-like heating foam 4 (4A) is attached to the surface of the main body piece 241 facing the indoor-side finding piece 215. The heating foam 4A extends along the longitudinal direction of the main body piece 241 and has a width from one side edge (upper edge) of the main body piece 241 to the other side edge (lower edge). Yes. In the connected state of the reinforcing member 24 and the mounting member 25, the heating foam material 4 </ b> A is interposed between the main body piece 241 and the indoor side finding piece 215.

折曲片部242の室内縁は本体片部241の下縁に連続しており、折曲片部242の室外縁は離間片部243の上縁に連続している。折曲片部242は、室外側保持部214から上側見込み片部212側に離間して位置している。   The indoor edge of the bent piece part 242 is continuous with the lower edge of the main body piece part 241, and the outdoor edge of the bent piece part 242 is continuous with the upper edge of the separating piece part 243. The bent piece portion 242 is located away from the outdoor side holding portion 214 toward the upper prospective piece portion 212 side.

離間片部243は、折曲片部242から下側見込み片部213に向かって延びており、離間片部243の先端と下側見込み片部213との間に隙間244が形成されている。離間片部243は、室外側保持部214から室外側に離間して位置しており、室外側保持部214との間にポケット245(空間)を形成している。離間片部243の室内面には、加熱発泡材4(4B)が貼りつけられている。   The spacing piece 243 extends from the bent piece 242 toward the lower prospective piece 213, and a gap 244 is formed between the tip of the spacing piece 243 and the lower prospective piece 213. The spacing piece 243 is positioned away from the outdoor side holding portion 214 toward the outdoor side, and forms a pocket 245 (space) between the spacing piece portion 243 and the outdoor side holding portion 214. The heating foam 4 (4B) is affixed to the indoor surface of the separation piece 243.

取付部材25は、室内側形材22の長手方向に沿って延びた板状の通し材によって構成されている。取付部材25は、室内側形材22と略同じ長さを有している。取付部材25は、補強材24に連結される連結片部251と、連結片部251に連続する連続片部252と、連続片部252に連続する固定片部253とを有して構成されている。   The attachment member 25 is constituted by a plate-shaped through material extending along the longitudinal direction of the indoor side shape member 22. The attachment member 25 has substantially the same length as the indoor side shape member 22. The attachment member 25 includes a connecting piece portion 251 connected to the reinforcing member 24, a continuous piece portion 252 continuous with the connecting piece portion 251, and a fixed piece portion 253 continuous with the continuous piece portion 252. Yes.

連結片部251は、室内側見付け片部215に沿って配置されており、室内側見付け片部215に対向する対向面にシート状の断熱材6が貼りつけられている。連結片部251には、連結ネジ15によって補強材24の本体片部241に連結されている。連結片部251と本体片部241との連結状態では、断熱材6は連結片部251と室内側見付け片部215との間に介在されている。   The connecting piece portion 251 is disposed along the indoor side finding piece portion 215, and the sheet-like heat insulating material 6 is attached to the facing surface facing the indoor side finding piece portion 215. The connecting piece 251 is connected to the main body piece 241 of the reinforcing member 24 by a connecting screw 15. In the connected state of the connecting piece portion 251 and the main body piece portion 241, the heat insulating material 6 is interposed between the connecting piece portion 251 and the indoor side finding piece portion 215.

連続片部252は、連結片部251から室内側に延びた第一片部252Aと、第一片部252Aから開口5側に延びた第二片部252Bとを有して断面略L字状に形成されている。補強材24と取付部材25との連結状態では、第二片部252Bは、室内側形材22の見付け片部221の室内面に沿って配置され、第一片部252Aは見付け片部221から室外側に延出して配置されている。見付け片部221から室外側に延出する第一片部252Aの部分には、加熱発泡材4(4C)が貼りつけられている。
なお、室内側保持部225、見付け片部221、第一片部252A、連結片部251、断熱材6、室内側見付け片部215、室外側保持部214および断熱材23によって空間7が形成されている。
The continuous piece part 252 has a first piece part 252A extending from the connecting piece part 251 to the indoor side and a second piece part 252B extending from the first piece part 252A to the opening 5 side, and has a substantially L-shaped cross section. Is formed. In the connected state of the reinforcing member 24 and the mounting member 25, the second piece 252 </ b> B is disposed along the indoor surface of the finding piece 221 of the indoor side shape member 22, and the first piece 252 </ b> A is separated from the finding piece 221. It extends outside the room. The heating foam 4 (4C) is affixed to the portion of the first piece 252A that extends from the finding piece 221 to the outdoor side.
A space 7 is formed by the indoor side holding portion 225, the finding piece portion 221, the first piece portion 252A, the connecting piece portion 251, the heat insulating material 6, the indoor side finding piece portion 215, the outdoor side holding portion 214, and the heat insulating material 23. ing.

固定片部253は、第一片部252Aの下縁から室内側に延びており、固定ネジ14が挿通される挿通孔253Aが形成されている。固定片部253は、固定ネジ14が挿通孔253Aに挿通されることによって建物躯体2の開口形成面2Bに固定される。   The fixed piece portion 253 extends from the lower edge of the first piece portion 252A to the indoor side, and an insertion hole 253A through which the fixed screw 14 is inserted is formed. The fixing piece portion 253 is fixed to the opening forming surface 2B of the building housing 2 by inserting the fixing screw 14 into the insertion hole 253A.

開口5を形成する上枠20の見付け面には、断熱材23を扉50側から覆う加熱発泡材4(4D)が設けられている。加熱発泡材4Dは、室外側保持部214と室内側保持部225とにまたがって貼りつけられている。   A heating foam 4 (4D) that covers the heat insulating material 23 from the door 50 side is provided on the finding surface of the upper frame 20 that forms the opening 5. The heating foam material 4 </ b> D is pasted across the outdoor side holding part 214 and the indoor side holding part 225.

図3において右側に示す縦枠40は、室外側形材41と、室内側形材22と、断熱材23と、補強材24と、取付部材25とをそれぞれ備えている。縦枠40の室外側形材41、室内側形材22、断熱材23、補強材24および取付部材25は、上枠20の室外側形材21、室内側形材22、断熱材23、補強材24および取付部材25と同様に形成されている。   A vertical frame 40 shown on the right side in FIG. 3 includes an outdoor-side shape member 41, an indoor-side shape member 22, a heat insulating material 23, a reinforcing material 24, and an attachment member 25. The outdoor shape 41 of the vertical frame 40, the indoor side shape 22, the heat insulating material 23, the reinforcing material 24, and the attachment member 25 are the outdoor shape 21 of the upper frame 20, the indoor side shape 22, the heat insulating material 23, and the reinforcement. It is formed in the same manner as the material 24 and the mounting member 25.

室外側形材41は、アルミ押出形材によってそれぞれ形成されており、室外側見付け片部411と、外側見込み片部412と、内側見込み片部413と、室外側保持部414と、室内側見付け片部415(見付け片部)と、取付片部416と有して構成されている。   The outdoor-side shape members 41 are each formed of an aluminum extruded shape, and include an outdoor-side finding piece portion 411, an outside-looking piece portion 412, an inside-looking piece portion 413, an outdoor-side holding portion 414, and an indoor-side finding piece. It has a piece part 415 (finding piece part) and an attachment piece part 416.

室外側見付け片部411の右側縁は外側見込み片部412の室外縁に連続している。室外側見付け片部411の左側縁は内側見込み片部413の室外縁に連続している。内側見込み片部413の室内縁は室外側保持部414に連続している。室内側見付け片部415の右側縁は外側見込み片部412の室内縁に連続している。室内側見付け片部415の左側縁は室外側保持部414に連続している。取付片部416は外側見込み片部412の室内縁に連続しており、室内側見付け片部415よりも右方に位置している。室外側見付け片部411、外側見込み片部412、内側見込み片部413、室外側保持部414および室内側見付け片部415によってホロー部が形成されている。   The right side edge of the outdoor side finding piece part 411 is continuous with the outdoor edge of the outside prospecting piece part 412. The left side edge of the outdoor side finding piece part 411 is continuous with the outdoor edge of the inside prospective piece part 413. The indoor edge of the inner prospective piece 413 is continuous with the outdoor holding part 414. The right edge of the indoor side finding piece 415 is continuous with the indoor edge of the outer prospective piece 412. The left side edge of the indoor side finding piece 415 is continuous with the outdoor side holding part 414. The attachment piece portion 416 is continuous with the indoor edge of the outer prospective piece portion 412 and is located to the right of the indoor side finding piece portion 415. A hollow portion is formed by the outdoor side finding piece portion 411, the outside expected piece portion 412, the inside prospective piece portion 413, the outdoor side holding portion 414, and the indoor side finding piece portion 415.

室外側見付け片部411の左側部分(開口5側の部分)は、室内側に折曲されて開口5内側に延びて形成されている。内側見込み片部413には、ラッチ55が係合する溝部が形成されている。室外側形材41の室外側保持部414、室内側見付け片部415および取付片部416は、室外側形材21の室外側保持部214、室内側見付け片部215および取付片部216と同様に構成されているので、これらの詳細な説明を省略する。   The left side portion (portion on the opening 5 side) of the outdoor-side finding piece 411 is formed so as to be bent indoors and extend inside the opening 5. The inner prospective piece 413 is formed with a groove portion with which the latch 55 is engaged. The outdoor side holding portion 414, the indoor side finding piece portion 415 and the mounting piece portion 416 of the outdoor side shape member 41 are the same as the outdoor side holding portion 214, the indoor side finding piece portion 215 and the attaching piece portion 216 of the outdoor shape 21. Therefore, detailed description thereof will be omitted.

図3において左側に示す縦枠40は、右側に示す縦枠40と同様に構成されて左右逆向きに配置されているので、図に適宜同符号を付して詳細な説明を省略する。なお、左側に示す縦枠40の室外側形材41の内側見込み片部413には、丁番17が取り付けられている。   In FIG. 3, the vertical frame 40 shown on the left side is configured in the same manner as the vertical frame 40 shown on the right side and is disposed in the left-right reverse direction. A hinge 17 is attached to the inner prospective piece 413 of the outdoor shape member 41 of the vertical frame 40 shown on the left side.

図2〜図5では二点鎖線によって扉50を示している。
扉50は、内部に断熱材が設けられたパネル51と、パネル51の戸先に取り付けられた煙返し52(図3参照)とを備えて構成されている。パネル51の吊元側の見込み面は、三つの丁番17を介して吊元側の縦枠40の見込み面に取り付けられている。煙返し52は、パネル51の戸先に取り付けられており、その室外縁部が戸先側の縦枠40に向かって折曲して形成されている。
また、扉50には、ドアハンドル53、ドアガード54、ラッチ55が設けられている。
2 to 5, the door 50 is indicated by a two-dot chain line.
The door 50 includes a panel 51 provided with a heat insulating material therein, and a smoke return 52 (see FIG. 3) attached to the door end of the panel 51. The prospective surface on the suspending side of the panel 51 is attached to the prospective surface of the vertical frame 40 on the suspending side via three hinges 17. The smoke return 52 is attached to the door end of the panel 51, and its outdoor edge is bent toward the vertical frame 40 on the door end side.
The door 50 is provided with a door handle 53, a door guard 54, and a latch 55.

[本実施形態の作用]
以下、本発明の実施形態に係る玄関ドア1の作用について説明する。
平常時(常温時)において、上枠20では、室外側形材21と室内側形材22との熱伝達が断熱材23によって遮断され、補強材24から室内側見付け片部215への熱伝達が加熱発泡材4Aによって遮断され、室内側見付け片部215から取付部材25への熱伝達が断熱材6によって遮断される。
左右の縦枠40では、室外側形材41と室内側形材22との熱伝達が断熱材23によって遮断され、補強材24から室内側見付け片部215への熱伝達が加熱発泡材4Aによって遮断され、室内側見付け片部215から取付部材25への熱伝達が断熱材6によって遮断される。
また、下枠30では、その金属枠材の室内部分に取り付けられた断熱カバー32によって室外空間と室内空間との熱伝達が遮断されている。
このように、枠体10は、室外空間と室内空間との熱伝達を遮断している。
また、扉50は、パネル51の内部に設けられた断熱材によって、室外空間と室内空間との熱伝達を遮断している。
以上のように、平常時では、玄関ドア1は、室外空間と室内空間との熱伝達を遮断し、断熱性能を発揮する。
[Operation of this embodiment]
Hereinafter, the operation of the front door 1 according to the embodiment of the present invention will be described.
In the normal state (at normal temperature), in the upper frame 20, heat transfer between the outdoor shape member 21 and the indoor side shape material 22 is blocked by the heat insulating material 23, and heat transfer from the reinforcing material 24 to the indoor side finding piece 215. Is blocked by the heating foam material 4 </ b> A, and heat transfer from the indoor side finding piece 215 to the mounting member 25 is blocked by the heat insulating material 6.
In the left and right vertical frames 40, heat transfer between the outdoor shape member 41 and the indoor side shape member 22 is blocked by the heat insulating material 23, and heat transfer from the reinforcing material 24 to the indoor side finding piece 215 is caused by the heating foam material 4A. The heat transfer from the indoor side finding piece 215 to the mounting member 25 is blocked by the heat insulating material 6.
Further, in the lower frame 30, heat transfer between the outdoor space and the indoor space is blocked by a heat insulating cover 32 attached to the indoor portion of the metal frame material.
As described above, the frame body 10 blocks heat transfer between the outdoor space and the indoor space.
In addition, the door 50 blocks heat transfer between the outdoor space and the indoor space by a heat insulating material provided inside the panel 51.
As described above, in normal times, the entrance door 1 blocks heat transfer between the outdoor space and the indoor space and exhibits heat insulation performance.

室外側での火災時において、上枠20では、図5に示すように、火災の熱によって加熱発泡材4A〜4Dがそれぞれ発泡する。同様に、左右の縦枠40でも、火災の熱によって加熱発泡材4A〜4Dがそれぞれ発泡する。各加熱発泡材4Aは、発泡により室内側見付け片部215,415の室外面を覆う。各加熱発泡材4Bは、発泡によりポケット245および隙間244を塞ぐ。各加熱発泡材4Cは、発泡により空間7を塞ぐ。各加熱発泡材4Dは、発泡により上枠20および左右の縦枠40と扉50の周縁との隙間を塞ぐ。
また、各加熱発泡材4A〜4Dにより各断熱材23の周囲(本実施形態では、室内側保持部225よりも室内側の部分は除く)は覆われる。これにより、各断熱材23の周囲の各構成が直接火炎に晒されることを防止し、当該各構成からの熱伝達によって各断熱材23が温度上昇することを抑制する。
このようにして、各断熱材23の軟化、溶融を抑制し、室外側形材21,41と室内側形材22との間に面外方向の隙間が生じ、また、当該隙間が拡大することを抑制している。なお、各加熱発泡材4Dは、発泡していない状態でも、各断熱材23を開口5側から覆っており、遮炎性能、断熱性能を発揮している。
At the time of a fire at the outdoor side, as shown in FIG. Similarly, in the left and right vertical frames 40, the heated foam materials 4A to 4D are foamed by the heat of the fire. Each heating foam 4A covers the outdoor surface of the indoor-side finding pieces 215 and 415 by foaming. Each heating foam 4B closes the pocket 245 and the gap 244 by foaming. Each heating foam 4C closes the space 7 by foaming. Each heating foam 4D closes the gap between the upper frame 20 and the left and right vertical frames 40 and the periphery of the door 50 by foaming.
In addition, the surroundings of each heat insulating material 23 (in this embodiment, the portion on the indoor side with respect to the indoor side holding portion 225 is excluded) are covered with the respective heating foam materials 4A to 4D. Thereby, each structure around each heat insulating material 23 is prevented from being directly exposed to the flame, and the temperature of each heat insulating material 23 is prevented from rising due to heat transfer from each structure.
In this way, softening and melting of each heat insulating material 23 are suppressed, and a gap in the out-of-plane direction is generated between the outdoor side shape members 21 and 41 and the indoor side shape member 22, and the gap is enlarged. Is suppressed. In addition, each heating foam material 4D has covered each heat insulating material 23 from the opening 5 side even in the state which is not foamed, and is exhibiting flame-shielding performance and heat insulation performance.

また、上枠20、左右の縦枠40の室外側部分が火炎に晒されて溶融した場合であっても、発泡した加熱発泡材4A,4Bによって室外側保持部214,414および室内側見付け片部215,415が火炎に晒されることを防止して温度上昇を抑え、かつ、補強材24によって室内側見付け片部215,415の変形などを抑えて隙間の発生、拡大を抑制する。   Further, even when the outdoor portions of the upper frame 20 and the left and right vertical frames 40 are exposed to a flame and melted, the outdoor holding portions 214 and 414 and the indoor side finding pieces are formed by the foamed heating foams 4A and 4B. The portions 215 and 415 are prevented from being exposed to a flame to suppress the temperature rise, and the reinforcing member 24 suppresses the deformation and the like of the indoor side finding piece portions 215 and 415 to suppress the generation and expansion of the gap.

[本実施形態の効果]
(1)各補強材24の離間片部243が室外側保持部214,414から離間して位置するため、各室外側形材21,41の室外側部分などの一部が溶融し、各補強材24が火炎に晒されて熱せられても、各離間片部243から各室外側保持部214,414に直接に熱伝達されることがなく、室外側保持部214,414を通じて各断熱材23が温度上昇することを抑制できる。
このように各断熱材23の温度上昇を抑えることで、断熱材23の軟化や溶融に基づき枠体10の面外方向における隙間が大きくなることや、断熱材23から可燃ガスが発生することを抑制でき、遮炎性を向上できる。
さらに、補強材24が取付部材25によって建物躯体2に取り付けられ、かつ、補強材24が室内側見付け片部215,415に沿って配置されて室外側形材21,41を補強するため、火災の熱により室外側形材21,41が熱せられ変形しやすい状態となっても、補強材24によって室外側形材21,41の形状を維持することで枠体10の面外方向の隙間が大きくなることを抑制でき、遮炎性を向上できる。
(2)各室内側見付け片部215,415の室外面に沿って各補強材24の本体片部241が配置され、かつ、各補強材24の離間片部243と各室外側保持部214,414との間に加熱発泡材4Bが配置される。このため、室外側での火災の熱によって熱せられた加熱発泡材4Bが発泡することで、各離間片部243と各室外側保持部214,414との間のポケット245を塞ぐことができ、室外側保持部214,414を室外側から覆うことができる。これにより、室外側形材21,41の室外側部分などの一部が溶融した場合に、室外側保持部214,414が火炎に晒されて熱せられることがなく、各断熱材23が室外側保持部214,414から熱伝達されて温度上昇することを抑制できる。
(3)各離間片部243が各見込み片部213,413に隙間244を隔てて配置されるため、各離間片部243と各見込み片部213,413との熱伝達をなくすことができ、各断熱材23の周囲における熱伝達箇所を削減できる。また、各離間片部243と各室外側保持部214,414との間に配置された加熱発泡材4Bの発泡によって前述した隙間244を塞ぐことできる。
(4)各補強材24の本体片部241と各室内側見付け片部215,415との間に介在される加熱発泡材4Aによって各本体片部241と各室内側見付け片部215,415との熱伝達を遮断でき、断熱性を向上できる。
また、火災の熱により、各本体片部241と各室内側見付け片部215,415との間に介在された加熱発泡材4Aが発泡することで各室内側見付け片部215,415を広範囲に覆うことができ、遮炎性を向上できる。
(5)各取付部材25の連結片部251と各室内側見付け片部215,415との間に断熱材6が介在されることで、各室内側見付け片部215,415から連結片部251への熱伝達を遮断でき、断熱性を向上できる。
(6)各見込み片部223および各固定片部253に固定ネジ14が挿通されるため、室内側形材22を建物躯体2に固定する固定ネジ14と、取付部材25を建物躯体2に固定する固定ネジ14とを共通化できる。
また、固定ネジ14は室内側形材22よりも高強度であるため、固定片部253に固定ネジ14が挿通されて建物躯体2に取り付けられる場合には、例えば取付部材25が室内側形材22に取り付けられる場合と比べ、火災の熱により室内側形材22の構造が不安定となっても、建物躯体2への取付状態を維持できる。
(7)各室内側見付け片部215,415のうち枠体10の見付け方向内側の部分が建物躯体2の外壁面2Aから離間して位置するため、枠体10の見込み方向寸法を大きくしなくても、各室内側見付け片部215,415の室内面と建物躯体2の外壁面2Aとの間に連結片部251を配置可能なスペースを形成できる。このため、枠体10の見込み方向(外壁面2Aの面外方向)において連結片部251を建物躯体2と並ぶ位置に配置でき、例えば、枠体10の見付け方向(外壁面2Aの面内方向)において連結片部251を建物躯体2と並ぶ位置に配置する場合と比べ、枠体10の見付け方向寸法を小さくできる。
(8)各断熱材23を扉50側から覆って設けられる加熱発泡材4Dを備えるため、加熱発泡材4Dが発泡していない状態でも、各断熱材23が扉50側から火炎に晒されることを防止できる。また、火災の熱により加熱発泡材4Dが発泡した場合には、扉50と枠体10との間を塞ぐことができる。
(9)さらに、各取付部材25は、通し材であり、各断熱材23との対向面に加熱発泡材4Cが設けられるため、加熱発泡材4Cの発泡により空間7を塞ぎ、遮炎性を向上できる。
[Effect of this embodiment]
(1) Since the separation piece 243 of each reinforcing member 24 is positioned away from the outdoor holding portions 214 and 414, a part of the outdoor portion 21 and 41 of each outdoor member 21 and 41 is melted and each reinforcing member Even if the material 24 is heated by being exposed to a flame, the heat insulating material 23 is not transmitted through the outdoor holding portions 214 and 414 without directly transferring heat from the respective separated piece portions 243 to the outdoor holding portions 214 and 414. Can suppress the temperature rise.
Thus, by suppressing the temperature rise of each heat insulating material 23, the clearance gap in the out-of-plane direction of the frame 10 becomes large based on the softening and melting of the heat insulating material 23, and that combustible gas is generated from the heat insulating material 23. It can suppress and can improve a flame-shielding property.
Further, since the reinforcing member 24 is attached to the building housing 2 by the attaching member 25 and the reinforcing member 24 is disposed along the indoor side finding pieces 215 and 415 to reinforce the outdoor shape members 21 and 41, a fire is caused. Even when the outdoor shape members 21 and 41 are heated and easily deformed by the heat of the heat, the shape of the outdoor shape materials 21 and 41 is maintained by the reinforcing member 24 so that the gap in the out-of-plane direction of the frame body 10 is maintained. The increase in size can be suppressed, and the flameproofness can be improved.
(2) The main body piece portion 241 of each reinforcing member 24 is disposed along the outdoor surface of each indoor-side finding piece portion 215, 415, and the separating piece portion 243 of each reinforcing member 24 and each outdoor side holding portion 214, Heat foaming material 4B is arranged between 414 and 414. For this reason, the heating foam 4B heated by the heat of the fire on the outdoor side foams, so that the pockets 245 between the separation piece portions 243 and the outdoor holding portions 214 and 414 can be closed, The outdoor side holding parts 214 and 414 can be covered from the outdoor side. As a result, when a part of the outdoor part 21 or 41 such as the outdoor part is melted, the outdoor holding parts 214 and 414 are not heated by being exposed to the flame, so that each heat insulating material 23 is outside the outdoor part. It is possible to suppress an increase in temperature due to heat transfer from the holding portions 214 and 414.
(3) Since each spacing piece 243 is disposed in each prospective piece 213, 413 with a gap 244 therebetween, heat transfer between each spacing piece 243 and each prospecting piece 213, 413 can be eliminated, The heat transfer location around each heat insulating material 23 can be reduced. Further, the gap 244 described above can be closed by foaming of the heating foam material 4B disposed between each separation piece portion 243 and each outdoor side holding portion 214, 414.
(4) Each main body piece portion 241 and each indoor side finding piece portion 215, 415 are formed by the heating foam 4A interposed between the main body piece portion 241 of each reinforcing material 24 and each indoor side finding piece portion 215, 415. Heat transfer can be cut off and heat insulation can be improved.
In addition, the heating foam 4A interposed between each main body piece 241 and each indoor side finding piece 215, 415 foams due to the heat of the fire, so that each indoor finding piece 215, 415 is spread over a wide range. It can be covered and the flame barrier properties can be improved.
(5) Since the heat insulating material 6 is interposed between the connecting piece portion 251 of each mounting member 25 and each indoor-side finding piece portion 215, 415, the connecting piece portion 251 is connected to each indoor-side finding piece portion 215,415. The heat transfer to can be cut off and the heat insulation can be improved.
(6) Since the fixing screw 14 is inserted into each prospective piece portion 223 and each fixed piece portion 253, the fixing screw 14 for fixing the indoor side shape member 22 to the building frame 2 and the mounting member 25 are fixed to the building frame 2. The fixing screw 14 to be used can be shared.
Further, since the fixing screw 14 has higher strength than the indoor side shape member 22, when the fixing screw 14 is inserted into the fixing piece 253 and attached to the building frame 2, for example, the attachment member 25 is the indoor side shape material. Compared with the case where it is attached to 22, even if the structure of the indoor side shape member 22 becomes unstable due to the heat of the fire, the state of attachment to the building housing 2 can be maintained.
(7) Since the portion of the indoor side finding pieces 215 and 415 located inside the frame 10 in the direction of finding is positioned away from the outer wall surface 2A of the building housing 2, the expected size of the frame 10 is not increased. However, the space which can arrange | position the connection piece part 251 between the indoor surface of each indoor side finding piece part 215,415 and 2 A of outer wall surfaces of the building frame 2 can be formed. For this reason, the connecting piece 251 can be arranged at a position aligned with the building housing 2 in the prospective direction of the frame body 10 (the out-of-plane direction of the outer wall surface 2A), for example, the direction in which the frame body 10 is found (the in-plane direction of the outer wall surface 2A). ), It is possible to reduce the size of the frame 10 in the direction in which it is found, compared to the case where the connecting piece 251 is arranged at a position aligned with the building housing 2.
(8) Since each heat insulating material 23 is provided with the heating foam material 4D provided so as to cover the door 50 from the door 50 side, each heat insulating material 23 is exposed to the flame from the door 50 side even when the heating foam material 4D is not foamed. Can be prevented. Moreover, when the heating foam material 4D is foamed by the heat of the fire, the space between the door 50 and the frame body 10 can be closed.
(9) Furthermore, each attachment member 25 is a threading material, and since the heating foam material 4C is provided on the surface facing each heat insulating material 23, the space 7 is blocked by foaming of the heating foam material 4C, thereby providing flameproofing. It can be improved.

[変形例]
本発明は、以上の実施形態で説明した構成のものに限定されず、本発明の目的を達成できる範囲での変形例は、本発明に含まれる。
例えば、前記実施形態では、加熱発泡材4Bは補強材24に設けられているが、ポケット245に配置されていればよく、例えば室外側保持部214,414に設けられていてもよい。また、加熱発泡材4Bの構成は省かれてもよい。
[Modification]
The present invention is not limited to the configuration described in the above embodiment, and modifications within a range in which the object of the present invention can be achieved are included in the present invention.
For example, in the above-described embodiment, the heating foam material 4B is provided in the reinforcing material 24, but may be provided in the pocket 245, and may be provided in the outdoor holding portions 214 and 414, for example. Moreover, the structure of the heating foam material 4B may be omitted.

前記実施形態では、本体片部241と室内側見付け片部215,415との間に介在される加熱発泡材4Aが設けられているが、この加熱発泡材4Aの構成を省略してもよい。   In the embodiment, the heating foam material 4A interposed between the main body piece portion 241 and the indoor side finding piece portions 215 and 415 is provided, but the configuration of the heating foam material 4A may be omitted.

前記実施形態では、加熱発泡材4Aは、補強材24の本体片部241の一方の側縁から他方側面までの幅を有して形成されているが、これに限定されず、本体片部241よりも室外側保持部214,414に向かって延出してポケット245に配置される延出部分を有して構成されていてもよい。当該延出部分が発泡によりポケット245を閉塞可能に構成されている場合には、加熱発泡材4Bは省略されてもよい。   In the embodiment, the heating foam material 4A is formed to have a width from one side edge to the other side surface of the main body piece portion 241 of the reinforcing material 24, but is not limited thereto, and the main body piece portion 241 is not limited thereto. It may be configured to have an extended portion that extends toward the outdoor side holding portions 214 and 414 and is disposed in the pocket 245. When the extension portion is configured to be able to close the pocket 245 by foaming, the heating foam material 4B may be omitted.

前記実施形態では、取付部材25は、固定片部253に固定ネジ14が挿通されて建物躯体2に取り付けられているが、これに限定されず、例えば、固定片部253に固定ネジ14が挿通されず、取付部材25が室内側形材22に固定されることによって、当該室内側形材22および固定ネジ14を介して建物躯体2に取り付けられてもよい。
また、前記実施形態では、室内側形材22の見込み片部223および固定片部253は、共通の固定ネジ14に挿通されているが、別々の固定ネジ14に挿通されてもよい。
In the above-described embodiment, the attachment member 25 is attached to the building housing 2 with the fixing screw 14 inserted through the fixing piece portion 253, but is not limited thereto. For example, the fixing screw 14 is inserted into the fixing piece portion 253. Instead, the attachment member 25 may be attached to the building frame 2 via the indoor side shape member 22 and the fixing screw 14 by being fixed to the indoor side shape member 22.
Moreover, in the said embodiment, although the prospective piece part 223 and the fixed piece part 253 of the indoor side shape member 22 are penetrated by the common fixing screw 14, you may penetrate by the separate fixing screw 14. FIG.

前記実施形態では、取付部材25は、通し材として形成されて加熱発泡材4Cが設けられているが、これに限定されず、例えば加熱発泡材4Cが設けられない場合には、間隔を隔てて複数並んで設けられたピースによって形成されてもよい。   In the embodiment, the attachment member 25 is formed as a threading material and provided with the heating foam material 4C. However, the present invention is not limited to this. For example, when the heating foam material 4C is not provided, the mounting member 25 is spaced apart. You may form with the piece provided in multiple numbers.

前記実施形態では、取付部材25の連結片部251と室内側見付け片部215,415との間には断熱材6が介在されているが、これに限定されず、加熱発泡材が介在されていてもよい。加熱発泡材が介在される場合には、前述した断熱性能に加え、火災の熱により発泡して断熱材23の周囲を覆うことができ、遮炎性を向上できる。   In the said embodiment, although the heat insulating material 6 is interposed between the connection piece part 251 and the indoor side finding piece part 215,415 of the attachment member 25, it is not limited to this, The heating foam material is interposed. May be. In the case where a heating foam material is interposed, in addition to the above-described heat insulation performance, it can be foamed by the heat of the fire to cover the periphery of the heat insulation material 23, thereby improving the flame shielding property.

前記実施形態では、断熱材23を扉50側から覆う加熱発泡材4Dが設けられているが、この構成を省略してもよい。この場合、気密材12を、加熱発泡材料を含むもので形成し、当該気密材12の発泡により枠体10と扉50との隙間を塞げる構成としてもよい。   In the said embodiment, although the heating foam material 4D which covers the heat insulating material 23 from the door 50 side is provided, this structure may be abbreviate | omitted. In this case, the airtight material 12 may be formed of a material containing a heat foaming material, and the gap between the frame 10 and the door 50 may be closed by foaming the airtight material 12.

前記実施形態では、玄関ドア1を防火建具の一実施形態として説明したが、このほかにも勝手口ドアなどの各種ドアとして実施されてもよい。また、ドアに限らず、引戸、引き違いサッシ、片引きサッシ、FIXサッシ等の各種のサッシとして実施されてもよい。   In the above-described embodiment, the entrance door 1 has been described as an embodiment of a fire prevention fixture, but may be implemented as various doors such as a doorway door. Further, the present invention is not limited to a door, and may be implemented as various types of sashes such as a sliding door, a sliding sash, a one-way sash, and a FIX sash.

1…玄関ドア(防火建具)、2…建物躯体、2A…外壁面、2B…開口形成面、4(4A〜4D)…加熱発泡材、5…開口、6,23…断熱材、7…空間、10…枠体、11…水密材、12…気密材、13,14…固定ネジ、15…連結ネジ、17…丁番、20…上枠、21,41…室外側形材、211,411…室外側見付け片部、212…上側見込み片部、213…下側見込み片部(見込み片部)、213A…係合溝部、214,414…室外側保持部、215,415…室内側見付け片部(見付け片部)、216,416…取付片部、22…室内側形材、221,222…見付け片部、223…見込み片部、223A,253A…挿通孔、224…係合片部、224A…係合溝部、225…室内側保持部、243…離間片部、24…補強材、241…本体片部、242…折曲片部、244…隙間、245…ポケット、25…取付部材、251…連結片部、252…連続片部、252A…第一片部,252B…第二片部、253…固定片部、30…下枠、31…係合溝部、32…断熱カバー、40…縦枠、412…外側見込み片部、413…内側見込み片部(見込み片部)、50…扉(面材)、51…パネル、52…煙返し、53…ドアハンドル、54…ドアガード、55…ラッチ。   DESCRIPTION OF SYMBOLS 1 ... Entrance door (fire prevention fixture), 2 ... Building frame, 2A ... Outer wall surface, 2B ... Opening formation surface, 4 (4A-4D) ... Heating foam material, 5 ... Opening, 6, 23 ... Thermal insulation material, 7 ... Space DESCRIPTION OF SYMBOLS 10 ... Frame, 11 ... Watertight material, 12 ... Airtight material, 13, 14 ... Fixing screw, 15 ... Connection screw, 17 ... Hinge, 20 ... Upper frame, 21, 41 ... Outdoor shape, 211,411 ... outdoor side finding piece part, 212 ... upper side expected piece part, 213 ... lower side expected piece part (expected piece part), 213A ... engagement groove part, 214, 414 ... outdoor side holding part, 215, 415 ... indoor side found piece Part (finding piece part), 216, 416 ... mounting piece part, 22 ... indoor side profile, 221, 222 ... finding piece part, 223 ... prospective piece part, 223A, 253A ... insertion hole, 224 ... engagement piece part, 224A ... engaging groove part, 225 ... indoor side holding part, 243 ... separation piece part, 24 ... complement 241 ... Body part 242 ... Folding piece part 244 ... Gap 245 ... Pocket, 25 ... Mounting member 251 ... Connecting piece part 252 ... Continuous piece part 252A ... First piece part 252B ... No. Two piece parts, 253 ... Fixed piece part, 30 ... Lower frame, 31 ... Engaging groove part, 32 ... Heat insulation cover, 40 ... Vertical frame, 412 ... Outer prospective piece part, 413 ... Inner prospective piece part (expected piece part), 50 ... Door (surface material), 51 ... Panel, 52 ... Smoke return, 53 ... Door handle, 54 ... Door guard, 55 ... Latch.

Claims (8)

枠体と、前記枠体内に設置される面材とを備え、
前記枠体は、室外側形材と、前記室外側形材よりも室内側に位置する室内側形材と、前記室外側形材および前記室内側形材間に介在される断熱材と、前記室外側形材を補強する補強材とを備え、
前記室外側形材は、前記断熱材を保持する室外側保持部と、前記室外側保持部から延出した見付け片部とを有し、
前記室内側形材は、前記断熱材を保持する室内側保持部を有し、
前記補強材は、前記見付け片部の室外面に沿って配置される本体片部と、前記室外側保持部から室外側に離間して配置される離間片部とを有する
ことを特徴とする防火建具。
A frame and a face material installed in the frame;
The frame includes an outdoor shape, an indoor shape located on the indoor side of the outdoor shape, a heat insulating material interposed between the outdoor shape and the indoor shape, A reinforcing material for reinforcing the outdoor shape,
The outdoor shape has an outdoor holding part for holding the heat insulating material, and a finding piece part extending from the outdoor holding part,
The indoor side shape member has an indoor side holding portion for holding the heat insulating material,
The reinforcing member has a main body piece portion arranged along the outdoor surface of the finding piece portion, and a separation piece portion arranged to be separated from the outdoor holding portion to the outdoor side. Joinery.
請求項1に記載の防火建具において、
前記離間片部と前記室外側保持部との間には、加熱発泡材が配置される
ことを特徴とする防火建具。
In the fire prevention fitting according to claim 1,
A fire-proof fitting, characterized in that a heating foam material is disposed between the spacing piece and the outdoor holding part.
請求項1または請求項2に記載の防火建具において、
前記室外側形材は、前記室外側保持部に連続する見込み片部を有し、
前記離間片部は、前記見込み片部に対して隙間を隔てて配置される
ことを特徴とする防火建具。
In the fire prevention fitting of Claim 1 or Claim 2,
The outdoor shape has a prospective piece continuous to the outdoor holding part,
The space piece is disposed with a gap with respect to the prospective piece part.
請求項1から請求項3のいずれか一項に記載の防火建具において、
前記本体片部と前記見付け片部との間には、加熱発泡材が介在される
ことを特徴とする防火建具。
In the fire prevention fitting as described in any one of Claims 1-3,
A fireproof fitting, wherein a heating foam material is interposed between the main body piece portion and the finding piece portion.
請求項1から請求項4のいずれか一項に記載の防火建具において、
前記補強材を建物躯体に取り付ける取付部材を備え、
前記取付部材と前記見付け片部との間には断熱材または加熱発泡材が介在される
ことを特徴とする防火建具。
In the fire prevention fitting as described in any one of Claims 1-4,
An attachment member for attaching the reinforcing member to the building frame;
A fireproof fitting, wherein a heat insulating material or a heating foam material is interposed between the attachment member and the finding piece portion.
請求項1から請求項5のいずれか一項に記載の防火建具において、
前記補強材を建物躯体に取り付ける取付部材を備え、
前記取付部材は、前記本体片部に連結される連結片部と、前記室内側形材を建物躯体に固定する固定ネジが挿通される固定片部とを有する
ことを特徴とする防火建具。
In the fire prevention fitting as described in any one of Claims 1-5,
An attachment member for attaching the reinforcing member to the building frame;
The said attachment member has a connection piece part connected with the said main-body piece part, and a fixed piece part by which the fixing screw which fixes the said indoor side shape material to a building frame is penetrated. The fire prevention fitting characterized by the above-mentioned.
請求項1から請求項6のいずれか一項に記載の防火建具において、
前記見付け片部は、前記枠体の見付け方向外側の部分が建物躯体に当接した状態で、前記枠体の見付け方向内側の部分が建物躯体から離間して位置する
ことを特徴とする防火建具。
In the fire prevention fitting as described in any one of Claims 1-6,
The fire proof fitting is characterized in that the part of the frame body in the direction of finding is positioned away from the building body in a state in which the part of the frame body in the direction of finding is in contact with the building body. .
請求項1から請求項7のいずれか一項に記載の防火建具において、
断熱材を面材側から覆って設けられる加熱発泡材をさらに備える
ことを特徴とする防火建具。
In the fire prevention fitting as described in any one of Claims 1-7,
A fireproof fitting, further comprising a heating foam material provided to cover the heat insulating material from the face material side.
JP2015026808A 2015-02-13 2015-02-13 Fireproof fittings Ceased JP2016148225A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019183482A (en) * 2018-04-09 2019-10-24 Ykk Ap株式会社 Fireproof fittings

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57143376U (en) * 1981-03-02 1982-09-08
JPS5832883U (en) * 1981-08-27 1983-03-03 不二サッシ株式会社 Connecting device for outer frame and inner frame in double sash
JP2012127182A (en) * 2011-11-01 2012-07-05 Sankyo Tateyama Aluminium Inc Sash
JP2014034861A (en) * 2012-08-10 2014-02-24 Lixil Corp Opening device
JP2014163074A (en) * 2013-02-22 2014-09-08 Sankyotateyama Inc Opening device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57143376U (en) * 1981-03-02 1982-09-08
JPS5832883U (en) * 1981-08-27 1983-03-03 不二サッシ株式会社 Connecting device for outer frame and inner frame in double sash
JP2012127182A (en) * 2011-11-01 2012-07-05 Sankyo Tateyama Aluminium Inc Sash
JP2014034861A (en) * 2012-08-10 2014-02-24 Lixil Corp Opening device
JP2014163074A (en) * 2013-02-22 2014-09-08 Sankyotateyama Inc Opening device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019183482A (en) * 2018-04-09 2019-10-24 Ykk Ap株式会社 Fireproof fittings
JP7062497B2 (en) 2018-04-09 2022-05-06 Ykk Ap株式会社 Fire protection fittings

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