JPH0734140Y2 - Fire door structure - Google Patents
Fire door structureInfo
- Publication number
- JPH0734140Y2 JPH0734140Y2 JP1989030336U JP3033689U JPH0734140Y2 JP H0734140 Y2 JPH0734140 Y2 JP H0734140Y2 JP 1989030336 U JP1989030336 U JP 1989030336U JP 3033689 U JP3033689 U JP 3033689U JP H0734140 Y2 JPH0734140 Y2 JP H0734140Y2
- Authority
- JP
- Japan
- Prior art keywords
- door
- door frame
- flame
- storage groove
- door body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002023 wood Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 16
- 238000005187 foaming Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000006261 foam material Substances 0.000 description 42
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 11
- 239000003063 flame retardant Substances 0.000 description 11
- 230000002265 prevention Effects 0.000 description 6
- 239000000779 smoke Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000001771 impaired effect Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000218645 Cedrus Species 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- -1 polysiloxane Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- WZWGGYFEOBVNLA-UHFFFAOYSA-N sodium;dihydrate Chemical compound O.O.[Na] WZWGGYFEOBVNLA-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Description
「産業上の利用分野」 この考案は防火性能を高めた防火ドアの構造に関し、ド
ア本体とドア枠の内周側と戸当り部材の少なくとも１つ
に熱発泡材を設けることにより火炎時の燃焼抵抗を高め
たものに関する。 「従来の技術」 一般に建築物では火炎が発生しにくいことと、万一火炎
が発生しても延焼しにくいことが要求される。ここで火
炎が発生した場合において、火炎に対する安全性の面で
検討すると、火炎の性状は、建築材料の着火性、火炎伝
播性、可燃物量、熱伝導率、窓、ドアなどの開口率およ
び出火源の燃焼条件などの種々の条件により影響を受け
るが、特に火炎の延焼防止と火災時の避難の可能性など
に関した点で重要となるのは、開口部あるいは通路など
を介して火炎と煙が伝播することを十分に防止できるこ
とである。 そこで建築物の通路や開口部などには、防火性能を高め
たドアが設けられるわけであるが、ドアを木材で形成す
る場合は、木材自体を難燃性の木材で形成することと、
構造的に延焼防止効果が十分に得られるようにすること
が好ましい。 「考案が解決しようとする課題」 ところで、建築物に設けられるドアにおいては、建築物
の開口部にドア枠を設け、このドア枠の内部側に蝶番な
どを介して開閉自在にドアを建て付けてなる構造が一般
的である。 ところがこのような一般構造のドアにあっては、ドアと
ドア枠の間にわずかながら間隙があるために、ドアの手
前側あるいは向こう側に火炎が発生した場合、ドアとド
ア枠の間を熱風が通過することになり、ドアとドア枠の
間の間隙が延焼通路となって火炎が広がるおそれがあっ
た。なお、前記通路は熱風のみならず、煙の通路ともな
るので、避難時の危険性を助長する問題がある。 この考案は前記事情に鑑みてなされたもので、火炎時に
火炎や煙の通り道とならないとともに、燃焼抵抗を高め
た防火ドアを提供することを目的とする。 「課題を解決するための手段」 この考案は前記課題を解決するためになされたもので、
建築物の開口部にドア枠を取り付け、このドア枠の内側
にドア本体を開閉自在に取り付け、前記ドア枠の内周部
に戸当り部材を設けてなる防火ドアの構造において、前
記ドア枠の内周部全周と戸当り部材の全長とドア本体の
全周の少なくとも１つに、ドア本体側とドア枠側と戸当
り部材側のいずれかに向いて開口する収納溝を形成し、
前記収納溝の底に熱発泡材を挿入し、木材に難燃化剤を
含浸させた難燃化木材からなる化粧板で前記収納溝の開
口部を閉じてなるものである。 「作用」 ドア本体の手前側あるいは向こう側で火炎が発生し、ド
ア本体とドア枠の間の間隙を熱風が通過した場合、ある
いは、火炎により間隙部分まわりが熱された場合、熱に
より熱発泡材が膨張してドア本体とドア枠の間の間隙、
あるいは、ドア本体と戸当り部材との間の間隙を閉塞す
る。従って熱風や煙あるいは火炎が前記間隙を通過する
ことがなくなり、火炎の延焼が防止される。 特に、熱発泡材が挿入された収納溝の開口部を難燃化木
材からなる化粧板で閉じたことにより、上記熱発泡材が
化粧板によって覆われるので、火炎時に熱発泡材が膨張
し、化粧板が収納溝から押出されて、ドア本体側とドア
枠と戸当り部材のうち少なくとも１つに押し付けられる
ため、熱発泡材を難燃化木材からなる化粧板で覆わない
場合よりも、ドア本体とドア枠との間の隙間が強固に閉
塞されて気密性がより高まる。また、熱発泡材が露出し
ていないので、ドア枠、戸当り部材、ドア本体の美観が
損なわれることがない。さらに、熱発泡材が化粧板によ
って保護されるので、その耐候性を向上させることが可
能となる。 「実施例」 第１図ないし第４図はこの考案の一実施例を示すもの
で、第１図に符号１で示すものがドア枠の一部であっ
て、このドア枠１は第２図に示すように竪枠2,2と横枠
３を建築物の開口部の内側に組み付けて構成されてなる
ものである。このドア枠１の内側にドア本体４が蝶番5,
5,5によって開閉自在に設けられている。 前記ドア枠１の全内周には、第１図に示すように断面四
角形状の戸当り部材６が固定され、この戸当り部材６に
おいて、ドア本体４の先端部に対向する面には、戸当り
部材６の全長にわたり第１収納溝6aが形成されるととも
に、この第１収納溝6aには熱発泡材７が挿入されてい
る。更に前記第１収納溝6aの開口部には、熱発泡材７を
覆い隠す目的で化粧板８が固定されて収納溝部6aの開口
部を閉じている。 前記熱発泡材７は、数百℃に加熱された場合に発泡して
体積膨張するもので、含水ケイ酸ナトリウムと少量の有
機物とガラス繊維または針金などを混合してシート状ま
たは板状に成形したもの、ポリシロキサンと充填剤を混
合したパテ状のもの、あるいは、セメントとガラス繊維
を混合したパテ状のものなどを適宜用いることができ
る。更に熱発泡材７として具体的には、（西ドイツBASF
社製の）商品名「パルゾールファイヤボード」、（英国
ナリファイア（株）製の）商品名「システムＭ」、ある
いは、（浅野スレート（株）製の）製品名「ASボンド」
などを用いることができるが、これらに限定されるもの
ではない。 一方、前記ドア枠１の内周面の一部であって、ドア本体
４を閉じた状態でドア本体４の端面に対向する部分に
は、ドア枠１の全長にわたり第２収納溝９が形成され、
この第２収納溝９の底部側には前記熱発泡材７と同等の
材料からなる熱発泡材10が収納され、収納溝９の開口部
側には熱発泡材10を覆う目的で化粧板11が挿入固定され
ている。 ところで、前記ドア枠１と戸当り部材６とドア本体４と
化粧板8,11はいずれも難燃化木材で形成されている。こ
の難燃化木材は、南洋杉などの木材にジシアンジアミ
ド、リン酸、ホウ酸および水の部分反応生成物からなる
難燃化剤を固形分量で木材１m3当たり100kg以上含浸さ
せてなるものである。なお、前記木材と前記薬剤の組み
合わせにより100kg以上（通常の５倍）もの含浸が可能
であり、このような含浸作用によって準不燃材として充
分な性能の木材が得られる。 前記の如く構成されたドア本体４とドア枠１において
は、各々が難燃化木材で形成されているので、充分な防
火性能を発揮する。しかも、戸当り部材６とドア枠１に
熱発泡材7,10が組み込まれているので、火災時に熱風が
ドア本体４とドア枠１の間の隙間を通過した場合、ある
いは、ドア本体４の外周部とドア枠１が熱された場合、
熱発泡材7,10が膨張し、化粧板8,11が収納溝部6a,9から
押し出されてドア本体４の端部に押し付けられる。これ
によってドア本体４とドア枠１との間の隙間が熱発泡材
7,11で閉塞されて気密性が高まるので、煙や火炎が通過
することがなくなり、延焼防止効果が発揮される。 以上のようにこの例の構造は従来のドアよりも燃焼抵抗
が大きくなっているので火炎時に燃えにくく、防火性能
が優れている。 また、特に、熱発泡材7,10が挿入された収納溝6a,9の開
口部をそれぞれ難燃化木材からなる化粧板8,11で閉じた
ことにより、上記熱発泡材7,10が化粧板8,11によって覆
われるので、熱発泡材7,10が露出しないので、ドア枠
１、戸当り部材６の美観が損なわれることがなく、外観
の優れた防火ドアを提供できる。さらに、熱発泡材7,10
が化粧板8,11によって保護されるので、その耐候性を向
上させることができ、熱発泡材7,10の性能が長期に亘っ
て維持できる。 第３図は、ドア本体側に熱発泡材を設けた実施例を示す
ものである。この例の構造では、ドア本体20の端部側
に、熱発泡材21と22が設けられている。即ち、ドア本体
20においてドア枠23側の端面に第３収納溝24が形成さ
れ、ドア本体20において戸当り部材25側の端部に第４収
納溝26が形成され、第３収納溝24の底部に板状の熱発泡
材21が設けられ、第４収納溝26の底部に板状の熱発泡材
22が設けられている。そして、熱発泡材21は難燃化木材
からなる化粧材27により覆われ、熱発泡材22は難燃化木
材からなる化粧材28により覆われている。 第３図に示す構造では火災時に熱された場合、熱発泡材
22が膨張して化粧板28を戸当り部材25に押し付けてドア
本体20と戸当り部材25の間の間隙を閉塞すると同時に、
熱発泡材21が膨張して化粧板27をドア枠23に押し付けて
ドア本体20とドア枠23との間の間隙を閉塞する。 以上のようにドア枠23および戸当り部材25とドア本体20
との間の間隙を閉塞できるので、前記の実施例と同様に
延焼防止効果を発揮させることができる。また、上記熱
発泡材21,22が化粧板27,28によって覆われるので、ドア
本体４の美観が損なわれることがなく、前記の実施例と
同様に外観の優れた防火ドアを提供できる。さらに、上
記熱発泡材21,22が化粧板27,28によって保護されるの
で、熱発泡材21,22の耐候性を向上させることができ、
前記の実施例と同様に熱発泡材の性能が長期に亘って維
持できる。 第４図は、ドア本体側に熱発泡材を設けた他の実施例を
示すものである。この例の構造では、ドア本体30の端部
側に、熱発泡材31が設けられている。即ち、ドア本体30
においてドア枠33側の端面に第５収納溝34が形成され、
第５収納溝34の底部に板状の熱発泡材31が設けられると
ともに、熱発泡材21は難燃化木材からなる化粧材37によ
り覆われている。 第４図に示す構造では火災時に熱された場合、熱発泡材
31が膨張して化粧板37をドア枠33に押し付けてドア本体
30とドア枠33との間の間隙を閉塞する。 以上のようにドア枠33および戸当り部材35とドア本体30
との間の間隙を閉塞できるので、前記の実施例と同様に
延焼防止効果を発揮させることができる。また、上記熱
発泡材31が化粧板37によって覆われるので、ドア本体４
の美観が損なわれることがなく、前記の実施例と同様に
外観の優れた防火ドアを提供できる。さらに、上記熱発
泡材31が化粧板37によって保護されるので、前記の実施
例と同様に熱発泡材の性能が長期に亘って維持できる。 「考案の効果」 上記説明したようにこの考案は、ドア枠および戸当り部
材とドア本体との間に熱発泡材を設け、火災時にこの熱
発泡材が体積膨張してこれらの間の間隙を埋めるように
なっているので、火災時に熱された場合に、ドア本体と
ドア枠との間の気密性が高まり、これらの間隙部分を介
して火災や煙が通過することがなくなり、充分な延焼防
止効果が得られる。従って燃焼抵抗が高く、防火性能の
良好な防火ドアの構造を提供することができる。 また、特に、熱発泡材が挿入された収納溝の開口部を難
燃化木材からなる化粧板で閉じたことにより、上記熱発
泡材が化粧板によって覆われるので、火災時に熱発泡材
が膨張し、化粧板が収納溝から押出されて、ドア本体側
とドア枠と戸当り部材のうち少なくとも１つに押し付け
られるため、熱発泡材を難燃化木材からなる化粧板で覆
わない場合よりも、ドア本体とドア枠との間の隙間が強
固に閉塞されて気密性がより高まり、より優れた延焼防
止効果が得られる。また、熱発泡材が露出していないの
で、ドア枠、戸当り部材、ドア本体の美観が損なわれる
ことがなく、外観の優れた防火ドアを提供できる。さら
に、熱発泡材が化粧板によって保護されるので、その耐
候性を向上させることができ、熱発泡材の性能が長期に
亘って維持できるという利点がある。"Industrial application field" The present invention relates to a structure of a fireproof door having improved fireproof performance, and a combustion at the time of flame by providing a thermal foam material on at least one of a door body, an inner peripheral side of a door frame and a door contact member. For those who have increased resistance. “Prior Art” Generally, it is required that a building does not easily generate a flame and that even if a flame occurs, it is difficult to spread the fire. When a flame is generated here, considering the safety of the flame, the properties of the flame are as follows: ignitability of building materials, flame spreadability, combustible amount, thermal conductivity, opening ratio of windows, doors, etc. Although it is affected by various conditions such as the combustion conditions of the fire source, it is particularly important to prevent the spread of flames and the possibility of evacuation in the event of a fire. That is, it is possible to sufficiently prevent the propagation of smoke. Therefore, in the passages and openings of the building, a door with improved fire protection performance is provided, but if the door is made of wood, the wood itself should be made of flame-retardant wood,
It is preferable to structurally obtain a sufficient flame spread prevention effect. "Problems to be solved by the invention" By the way, for doors installed in buildings, a door frame is provided at the opening of the building, and the door is built inside the door frame so that it can be opened and closed via hinges. The general structure is However, in a door having such a general structure, since there is a slight gap between the door and the door frame, when a flame occurs on the front side or the other side of the door, hot air is blown between the door and the door frame. Would pass through, and the gap between the door and the door frame would serve as a fire spread passage, and the flame might spread. In addition, since the passage serves as a passage for smoke as well as hot air, there is a problem that promotes danger during evacuation. The present invention has been made in view of the above circumstances, and an object thereof is to provide a fireproof door which does not serve as a passage for flames or smoke at the time of a flame and has increased combustion resistance. "Means for solving the problems" This invention was made to solve the above problems,
A door frame is attached to an opening of a building, a door body is openably and closably attached to the inside of the door frame, and a door stop member is provided on an inner peripheral portion of the door frame. At least one of the entire inner circumference, the entire length of the door contact member, and the entire circumference of the door body is formed with a storage groove that opens toward any of the door body side, the door frame side, and the door contact member side.
A thermal foam material is inserted into the bottom of the storage groove, and the opening of the storage groove is closed by a decorative plate made of flame-retarded wood obtained by impregnating wood with a flame retardant. "Action" When a flame is generated on the front side or the other side of the door body and hot air passes through the gap between the door body and the door frame, or when the flame heats the space around the gap, heat foams by heat. The material expands and the gap between the door body and the door frame,
Alternatively, the gap between the door body and the door-stop member is closed. Therefore, hot air, smoke, or flame will not pass through the gap, and the spread of flame will be prevented. In particular, by closing the opening of the storage groove in which the thermal foam material has been inserted with the decorative plate made of flame-retardant wood, the thermal foam material is covered by the decorative plate, so the thermal foam material expands during a flame, Since the decorative plate is pushed out from the storage groove and pressed against at least one of the door body side, the door frame, and the door-stop member, the door is more than the case where the thermal foam material is not covered with the decorative plate made of flame-retardant wood. The gap between the main body and the door frame is tightly closed to further improve airtightness. Further, since the thermal foam material is not exposed, the aesthetics of the door frame, the door-stop member, and the door body will not be impaired. Furthermore, since the heat-foamable material is protected by the decorative plate, its weather resistance can be improved. "Embodiment" FIGS. 1 to 4 show an embodiment of the present invention, in which the reference numeral 1 in FIG. 1 is a part of a door frame, and the door frame 1 is shown in FIG. As shown in FIG. 5, the vertical frames 2 and 2 and the horizontal frame 3 are assembled inside the opening of the building. Inside the door frame 1, the door body 4 has a hinge 5,
It is opened and closed by 5 and 5. As shown in FIG. 1, a door contact member 6 having a quadrangular cross section is fixed to the entire inner circumference of the door frame 1, and a surface of the door contact member 6 facing the tip of the door body 4 is A first storage groove 6a is formed over the entire length of the door stop member 6, and a thermal foam material 7 is inserted into the first storage groove 6a. Further, a decorative plate 8 is fixed to the opening of the first storage groove 6a for the purpose of covering the thermal foam material 7 to close the opening of the storage groove 6a. The thermal foaming material 7 expands and expands in volume when heated to several hundreds of degrees Celsius, and is formed into a sheet or plate by mixing sodium hydrate hydrate, a small amount of organic substance and glass fiber or wire. The above, a putty-like mixture of polysiloxane and a filler, or a putty-like mixture of cement and glass fibers can be appropriately used. Further, as the thermal foam material 7, specifically, (West Germany BASF
Product name "Palsol Fireboard" (made by the company), Product name "System M" (made by Nullifier UK Ltd.) or Product name "AS Bond" (made by Asano Slate Co., Ltd.)
However, the present invention is not limited to these. On the other hand, a second storage groove 9 is formed over the entire length of the door frame 1 in a part of the inner peripheral surface of the door frame 1 that faces the end surface of the door body 4 when the door body 4 is closed. Is
A thermal foam material 10 made of the same material as the thermal foam material 7 is stored on the bottom side of the second storage groove 9, and a decorative plate 11 is provided on the opening side of the storage groove 9 for the purpose of covering the thermal foam material 10. Is inserted and fixed. By the way, the door frame 1, the door stop member 6, the door body 4, and the decorative plates 8 and 11 are all made of flame-retardant wood. This flame-retarded wood is obtained by impregnating wood such as Nanyo cedar with a flame retardant consisting of dicyandiamide, phosphoric acid, boric acid and a partial reaction product of water at a solid content of 100 kg or more per 1 m 3 of wood. . It is possible to impregnate 100 kg or more (5 times as much as usual) with the combination of the above wood and the above chemicals, and by such an impregnation action, wood having sufficient performance as a semi-incombustible material can be obtained. Since the door body 4 and the door frame 1 configured as described above are made of flame-retardant wood, they exhibit sufficient fireproof performance. Moreover, since the door foaming member 6 and the door frame 1 have the thermal foam materials 7 and 10 incorporated therein, when hot air passes through the gap between the door body 4 and the door frame 1 during a fire, or When the outer periphery and the door frame 1 are heated,
The thermal foam materials 7 and 10 expand, and the decorative plates 8 and 11 are pushed out from the storage groove portions 6a and 9 and pressed against the end portion of the door body 4. As a result, the gap between the door body 4 and the door frame 1 becomes a heat-foaming material.
Since it is blocked by 7,11 and airtightness is enhanced, smoke and flames will not pass through, and the spread of fire prevention effect will be exhibited. As described above, since the structure of this example has a higher combustion resistance than the conventional door, it is hard to burn in a flame and has excellent fire prevention performance. Further, in particular, by closing the openings of the storage grooves 6a, 9 in which the thermal foam materials 7, 10 are inserted with decorative plates 8, 11 made of flame-retardant wood, the thermal foam materials 7, 10 are made into makeup. Since the thermal foam materials 7 and 10 are not exposed because they are covered with the plates 8 and 11, the appearance of the door frame 1 and the door stop member 6 is not impaired, and a fire door having an excellent appearance can be provided. In addition, thermal foam 7,7
Is protected by the decorative plates 8 and 11, the weather resistance thereof can be improved, and the performance of the thermal foam materials 7 and 10 can be maintained for a long period of time. FIG. 3 shows an embodiment in which a thermal foam material is provided on the door body side. In the structure of this example, the thermal foam materials 21 and 22 are provided on the end side of the door body 20. That is, the door body
In FIG. 20, a third storage groove 24 is formed on the end face on the door frame 23 side, a fourth storage groove 26 is formed on the end of the door body 20 on the door-contact member 25 side, and a plate shape is formed on the bottom of the third storage groove 24. The heat-foaming material 21 of FIG.
22 are provided. The thermal foam material 21 is covered with a decorative material 27 made of flame-retarded wood, and the thermal foam material 22 is covered with a decorative material 28 made of flame-retarded wood. In the structure shown in Fig. 3, when heated during a fire, a thermal foam material
22 expands and presses the decorative plate 28 against the door stop member 25 to close the gap between the door body 20 and the door stop member 25, and at the same time,
The thermal foam material 21 expands and presses the decorative plate 27 against the door frame 23 to close the gap between the door body 20 and the door frame 23. As described above, the door frame 23, the door stop member 25, and the door body 20.
Since the gap between and can be closed, the flame spread prevention effect can be exerted similarly to the above-mentioned embodiment. Further, since the thermal foam materials 21 and 22 are covered with the decorative plates 27 and 28, the aesthetic appearance of the door body 4 is not impaired, and a fire door having an excellent external appearance can be provided as in the above-described embodiment. Further, since the thermal foam material 21,22 is protected by the decorative plates 27,28, it is possible to improve the weather resistance of the thermal foam material 21,22,
The performance of the thermal foam material can be maintained for a long period of time as in the above-mentioned embodiment. FIG. 4 shows another embodiment in which a thermal foam material is provided on the door body side. In the structure of this example, the thermal foam material 31 is provided on the end portion side of the door body 30. That is, the door body 30
In the end face of the door frame 33 side, the fifth storage groove 34 is formed,
A plate-shaped thermal foam material 31 is provided at the bottom of the fifth storage groove 34, and the thermal foam material 21 is covered with a decorative material 37 made of flame-retardant wood. In the structure shown in Fig. 4, when heated during a fire, a thermal foam material
When 31 expands and the decorative plate 37 is pressed against the door frame 33, the door body
The gap between 30 and the door frame 33 is closed. As described above, the door frame 33, the door stop member 35, and the door body 30
Since the gap between and can be closed, the flame spread prevention effect can be exerted similarly to the above-mentioned embodiment. Further, since the thermal foam material 31 is covered with the decorative plate 37, the door body 4
It is possible to provide a fire door having an excellent appearance as in the above-mentioned embodiment without deteriorating the aesthetic appearance of the fire door. Further, since the thermal foam material 31 is protected by the decorative plate 37, the performance of the thermal foam material can be maintained for a long time as in the above-mentioned embodiment. [Advantage of the Invention] As described above, the present invention provides the thermal foaming material between the door frame and the door contact member and the door body, and the thermal foaming material expands in volume at the time of a fire to form a gap between them. Since it is designed to be filled, when air is heated during a fire, the airtightness between the door body and the door frame is increased, and fire and smoke do not pass through these gaps, and the fire spreads sufficiently. Preventive effect is obtained. Therefore, it is possible to provide a structure of a fireproof door having high combustion resistance and good fireproofing performance. Further, in particular, by closing the opening of the storage groove in which the thermal foam material is inserted with the decorative plate made of flame-retardant wood, the thermal foam material is covered with the decorative plate, so that the thermal foam material expands in the event of a fire. However, since the decorative plate is pushed out of the storage groove and pressed against at least one of the door body side, the door frame, and the door-stop member, the thermal foam material is more covered than when it is not covered with the decorative plate made of flame-retardant wood. The gap between the door body and the door frame is firmly closed to further improve the airtightness, and a more excellent fire spread prevention effect can be obtained. Further, since the thermally foamed material is not exposed, the aesthetic appearance of the door frame, the door stop member, and the door body is not impaired, and the fire door having an excellent appearance can be provided. Further, since the heat-foamable material is protected by the decorative board, its weather resistance can be improved, and the performance of the heat-foamable material can be maintained for a long time.
明】[Brief description of drawings]
第１図と第２図はこの考案の一実施例を示すもので、 第１図は第２図に示すドアのＡ−Ａ線断面図、 第２図はドア枠とドア本体の正面図、 第３図はこの考案の第２実施例の要部を示す断面図、 第４図はこの考案の第３実施例を示す断面図である。 1,23,33……ドア枠、２……竪枠、３……上枠、4,20,30
……ドア本体、６……戸当り部材、6a……第１収納溝、
7,10,21,22……熱発泡材、8,11,27,28,37……化粧板、
９……第２収納溝、24……第３収納溝、26……第４収納
溝、34……第５収納溝。1 and 2 show an embodiment of the present invention. FIG. 1 is a sectional view taken along the line AA of the door shown in FIG. 2, and FIG. 2 is a front view of a door frame and a door body. FIG. 3 is a sectional view showing an essential part of a second embodiment of the present invention, and FIG. 4 is a sectional view showing a third embodiment of the present invention. 1,23,33 …… door frame, 2 …… vertical frame, 3 …… upper frame, 4,20,30
...... Door body, 6 ...... Door contact member, 6a ...... First storage groove,
7,10,21,22 …… Thermal foam material, 8,11,27,28,37 …… Veneer,
9: second storage groove, 24: third storage groove, 26: fourth storage groove, 34: fifth storage groove.
───────────────────────────────────────────────────── フロントページの続き (72)考案者 大谷 弘一 静岡県浜松市中沢町10番１号 ヤマハ株式 会社内 (56)参考文献 実開 昭60−141858（ＪＰ，Ｕ) 実開 昭62−124190（ＪＰ，Ｕ) 実開 昭60−76942（ＪＰ，Ｕ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Creator Koichi Otani 10-1 Nakazawa-machi, Hamamatsu City, Shizuoka Prefecture Yamaha Stock Co., Ltd. (56) Bibliography 60-141858 (JP, U) Actual 62-124190 (JP, U) Actually open 60-76942 (JP, U)
Claims (1)
ドア枠の内側にドア本体を開閉自在に取り付け、前記ド
ア枠の内周部に戸当り部材を設けてなる防火ドアの構造
において、 前記ドア枠の内周部全周と戸当り部材の全長とドア本体
の全周の少なくとも１つに、ドア本体側とドア枠側と戸
当り部材側のいずれかに向いて開口する収納溝を形成
し、 前記収納溝の底に熱発泡材を挿入し、木材に難燃化剤を
含浸させた難燃化木材からなる化粧板で前記収納溝の開
口部を閉じてなることを特徴とする防火ドアの構造。1. A structure of a fire door in which a door frame is attached to an opening of a building, a door body is openably and closably attached to the inside of the door frame, and a door stop member is provided on an inner peripheral portion of the door frame. A storage groove that opens in at least one of the entire inner circumference of the door frame, the entire length of the door contact member, and the entire circumference of the door body, facing either the door body side, the door frame side, or the door contact member side. And inserting a thermal foaming material into the bottom of the storage groove, and closing the opening of the storage groove with a decorative plate made of flame-retarded wood impregnated with wood. The structure of the fire door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989030336U JPH0734140Y2 (en) | 1989-03-16 | 1989-03-16 | Fire door structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989030336U JPH0734140Y2 (en) | 1989-03-16 | 1989-03-16 | Fire door structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02121585U JPH02121585U (en) | 1990-10-03 |
| JPH0734140Y2 true JPH0734140Y2 (en) | 1995-08-02 |
Family
ID=31255317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989030336U Expired - Lifetime JPH0734140Y2 (en) | 1989-03-16 | 1989-03-16 | Fire door structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0734140Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002146949A (en) * | 2000-11-10 | 2002-05-22 | Fujita Corp | Fire-resistant partition and fire compartment stem using it |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2558751Y2 (en) * | 1991-07-25 | 1998-01-14 | 株式会社ノダ | Fire door |
| JP2540811Y2 (en) * | 1991-10-29 | 1997-07-09 | 大建工業株式会社 | Wood-based door frame mounting structure |
| JP5105175B2 (en) * | 2008-03-05 | 2012-12-19 | 清水建設株式会社 | Smoke-proof tape |
| JP6140433B2 (en) * | 2012-11-30 | 2017-05-31 | 株式会社Ｌｉｘｉｌ | sash |
| JP2015178711A (en) * | 2014-03-19 | 2015-10-08 | 株式会社Ｌｉｘｉｌ | door |
| JP6683420B2 (en) * | 2015-01-30 | 2020-04-22 | 積水化学工業株式会社 | Building opening structure |
| JP6510269B2 (en) * | 2015-02-25 | 2019-05-08 | 三菱重工業株式会社 | Sealing material, sealing structure and watertight door |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6076942U (en) * | 1983-11-01 | 1985-05-29 | 株式会社日本アルミ | Fireproof window structure |
| JPS60141858U (en) * | 1984-02-29 | 1985-09-19 | 近畿工業株式会社 | fire door |
| JPS62124190U (en) * | 1986-01-29 | 1987-08-06 |
-
1989
- 1989-03-16 JP JP1989030336U patent/JPH0734140Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002146949A (en) * | 2000-11-10 | 2002-05-22 | Fujita Corp | Fire-resistant partition and fire compartment stem using it |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02121585U (en) | 1990-10-03 |
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