JP3104011B2 - Fireproof or smokeproof fireproof shutter - Google Patents
Fireproof or smokeproof fireproof shutterInfo
- Publication number
- JP3104011B2 JP3104011B2 JP08035518A JP3551896A JP3104011B2 JP 3104011 B2 JP3104011 B2 JP 3104011B2 JP 08035518 A JP08035518 A JP 08035518A JP 3551896 A JP3551896 A JP 3551896A JP 3104011 B2 JP3104011 B2 JP 3104011B2
- Authority
- JP
- Japan
- Prior art keywords
- shielding curtain
- shielding
- curtain
- smoke
- shutter
- 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 - Fee Related
Links
- 239000000779 smoke Substances 0.000 claims description 65
- 239000004744 fabric Substances 0.000 claims description 50
- 238000004804 winding Methods 0.000 claims description 46
- 230000002265 prevention Effects 0.000 claims description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 15
- 239000000919 ceramic Substances 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 9
- 229920002681 hypalon Polymers 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 8
- 239000012784 inorganic fiber Substances 0.000 claims description 8
- 230000035699 permeability Effects 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 229920002050 silicone resin Polymers 0.000 claims description 4
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims 1
- 210000000078 claw Anatomy 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 230000009970 fire resistant effect Effects 0.000 description 13
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
- A62C2/10—Fire-proof curtains
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/80—Door leaves flexible
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、遮蔽幕を用いた
防火又は防煙防火シャッターに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fireproof or smokeproof fireproof shutter using a screen.
【０００２】[0002]
【従来の技術】防火又は防煙防火シャッターには、例え
ば、次の(i)及び(ii)のようなものが提案されている。 (i)耐火遮熱クロースからなる遮蔽幕の一方の端に重錘
を取付け、その他方の端を金属製の巻き軸に取付け、遮
蔽幕を巻き軸に巻き付け、この巻き軸を建物の天井又は
開口部の上端等に回動可能に取付け、前記重錘を可燃性
又は熱溶融性の支持具で支持し、この支持具が出火時に
燃え又は溶け、下端に重錘の付いた遮蔽幕が降下して、
建物の開口部等を遮蔽幕で閉塞するようにした防火シャ
ッター（例えば、特開昭４８−７５５３号公報参照）。 (ii)防火シャッターの多数のスラットを連結してなる遮
蔽体を巻いた巻取シャフトを建物の天井に取付け、前記
巻取シャフトの取付部の近くに折り畳んだ防煙垂幕を収
容したケースを取付け、天井面の適所に自動閉鎖を始動
させる熱感知器及び防煙垂幕の垂下を可能にする煙感知
器を設け、出火による発煙時には、熱感知器よりも煙感
知器の方が低い温度で始動するようにして、前記防煙垂
幕を先に自動垂下させた後、防火シャッターの遮蔽体を
自動垂下させるようにした防煙垂幕を備えた防火シャッ
ター（例えば、特開昭４７−１５９５１号公報参照）。
巻き上げ式スクリーンには、例えば、次のようなものが
提案されている。 (iii)巻き取り方向に弾発付勢され、上枠内に収容され
た巻き取り部に上端部を取付け、下端側に上記上枠から
出し入れ自在としかつ側部を１対の縦枠の相対向面に設
けられたガイド用縦開口部に上下動自在に嵌合したスク
リーンの下端部に手掛け及びストッパーとなる横材を取
付けた巻き上げ式スクリーンにおいて、各ガイド用縦開
口部内に、適当な可撓性を有する材料からなるガイド棒
をそれぞれ立設し、スクリーンの両側部に形成した袋状
部の下方の部分に筒状体を取付け、ガイド棒に前記筒状
体を嵌め、スクリーンの袋状部をガイド棒に嵌合しやす
くした巻き上げ式スクリーン（例えば、実公平４−５０
３９８号公報参照）。2. Description of the Related Art As fireproof or smokeproof fireproof shutters, for example, the following (i) and (ii) have been proposed. (i) A weight is attached to one end of a screen made of fireproof heat-insulating cloth, the other end is mounted on a metal reel, and the screen is wound around the reel. The weight is supported rotatably at the upper end of the opening, etc., and the weight is supported by a flammable or heat-melting support. This support burns or melts at the time of fire, and the shielding curtain with the weight at the lower end descends. do it,
A fireproof shutter in which an opening or the like of a building is closed by a shielding curtain (for example, see Japanese Patent Application Laid-Open No. 48-7553). (ii) A wind-up shaft wound around a shield formed by connecting a large number of slats of a fireproof shutter is mounted on the ceiling of a building, and a case containing a folded smoke-proof curtain is mounted near a mounting portion of the wind-up shaft. In addition, a heat sensor that starts automatic closing and a smoke sensor that allows the smoke curtain to hang down are installed in the appropriate places on the ceiling surface.When smoke is generated by a fire, the smoke detector starts at a lower temperature than the heat sensor. Then, after the smoke curtain is automatically suspended first, the fireproof shutter provided with the smoke curtain which automatically suspends the shield of the fireproof shutter (see, for example, JP-A-47-15951). ).
For example, the following is proposed as a roll-up type screen. (iii) The upper end is attached to the winding portion accommodated in the upper frame, which is resiliently urged in the winding direction, the lower end is made to be able to be put in and out of the upper frame, and the side portions are opposed to a pair of vertical frames. In a roll-up screen in which a horizontal member serving as a handle and a stopper is attached to the lower end of a screen that is vertically movably fitted to a vertical opening for guide provided on the opposite surface, an appropriate guide is provided in each vertical opening for guide. A guide rod made of a flexible material is erected, and a tubular body is attached to a lower portion of the bag-shaped portion formed on both sides of the screen. The tubular body is fitted to the guide rod, and the screen is shaped like a bag. Roll-up screen (for example, Japanese Utility Model 4-50)
398).
【０００３】[0003]
【発明が解決しようとする課題】前記(i)の防火シャッ
ターは、耐火遮熱クロース製の遮蔽幕を使うため、軽量
で安価であり、そのうえ取付等が簡単であり、出火時に
遮蔽幕にて室、廊下等を遮蔽しても、遮蔽幕を持ち上げ
て逃げることができる長所を有している。しかし、遮蔽
幕と建物との隙間をなくする手段を備えていないため、
煙や炎を完全に遮断できない欠点がある。前記(ii)の防
火シャッターは、多数の金属製のスラットを連結してな
る防火シャッターと防煙垂幕とを併用するため、防煙垂
幕を設ける分だけ費用が嵩んでしまう欠点があり、折り
畳んだ防煙垂幕を単に垂下させるだけでは、防煙垂幕と
建物との隙間を塞ぐことができず煙を完全に遮断できな
い欠点がある。前記(iii)の巻き上げ式スクリーンは、
薄手の布帛を使うため、スクリーンの両側の側縁の袋状
部の下部に筒状体を取付ける必要があり、ガイド棒を太
くしてその下端を強固に固着しないと、スクリーンに強
風が当たった際に、ガイド棒が内側に曲がってしまう怖
れがある。この発明の解決しようとする課題は、上記
(i)〜(iii)の従来技術の上記のような欠点を有しない防
火又は防煙防火シャッターを提供すること、換言する
と、出火時の風圧等に充分に耐えて、煙や炎の漏出を確
実に防止でき、軽量で構造が簡単な防火又は防煙防火シ
ャッターを提供することにある。The fireproof shutter of (i) uses a shield made of fireproof and heat-insulating cloth, so that it is lightweight and inexpensive, and is easy to install. Even if a room, a corridor, or the like is shielded, it has an advantage that the shield curtain can be lifted and escaped. However, because there is no means to eliminate the gap between the screen and the building,
There is a disadvantage that smoke and fire cannot be completely shut off. The fireproof shutter of (ii) uses a fireproof shutter in which a number of metal slats are connected together with a smokeproof curtain, so there is a disadvantage that the cost increases by the amount of the smokeproof curtain, and the shutter is folded. Simply hanging the smokeproof curtain cannot close the gap between the smokeproof curtain and the building, and has the disadvantage that smoke cannot be completely shut off. The roll-up screen of the above (iii),
Since a thin cloth is used, it is necessary to attach a cylindrical body to the lower part of the bag-shaped part on both sides of the screen, and if the guide rod is not thickened and its lower end is not firmly fixed, a strong wind hits the screen At this time, there is a fear that the guide rod may bend inward. The problem to be solved by the present invention is as described above.
(i) To provide a fire or smoke prevention fire shutter which does not have the above-mentioned disadvantages of the prior arts of (i) to (iii), in other words, sufficiently withstands wind pressure at the time of fire, etc. An object of the present invention is to provide a fireproof or smokeproof fireproof shutter which can be surely prevented, is lightweight and has a simple structure.
【０００４】[0004]
【課題を解決するための手段】この発明の防火又は防煙
防火シャッターは、建物の室の天井又は開口部の上端等
に巻取シャフトが設けられ、遮蔽幕の上側の部分が巻取
シャフトに取付けられ、遮蔽幕が非遮蔽時に巻取シャフ
トに巻き付けられ、室又は開口部の左側及び右側の部分
にそれぞれ案内装置が取付けられ、遮蔽幕の左側及び右
側の端縁よりの部分が左側及び右側の案内装置の溝形縦
部材内に通され、各溝形縦部材内に遮蔽幕の左側及び右
側の縁部の内方への変位を規制する規制部材が設けら
れ、検出装置が煙や火炎を検出したとき等の必要時に、
遮蔽幕を巻取シャフトから解舒して降下させ、この遮蔽
幕にて室又は開口部を遮蔽するようにしたシャッターに
おいて、耐火クロースからなる遮蔽幕の少なくとも一方
の側の面に対応する天井又はまぐさに耐火クロースから
なる上側のシール片を取付け、この上側のシール片を遮
蔽幕の前記面に接触させ、天井又はまぐさと遮蔽幕との
間からの煙及び炎の漏出を防止できるようにし、かつ遮
蔽幕の少なくとも一方の側の面に対応する左側及び右側
の案内装置の溝形縦部材内に耐火クロースからなる左側
及び右側のシール片を取付け、この左側及び右側のシー
ル片を遮蔽時の遮蔽幕の前記面に接触させ、前記溝形縦
部材と遮蔽幕との間からの煙及び炎の漏出を防止できる
ようにし、前記耐火クロースとしてシリカクロース、ア
ルミナクロース及びセラミッククロースの耐熱性無機繊
維布をシリコン樹脂、クロロスルホン化ポリエチレン、
塩化ビニリデン等のコーティング剤にて処理して通気性
をなくした不燃性布を用いたことを特徴とするものであ
る。好ましい実施形態としては、遮蔽幕の下側の部分に
重錘を設け、検出装置が煙や火炎を検出したとき等の必
要時に、前記重錘に作用する重力により遮蔽幕を巻取シ
ャフトから解舒して降下させ得るようにする。例えば、
遮蔽幕の下側の縁部に沿って形成した袋状部に重錘を挿
入する。According to the present invention, there is provided a fireproof or smokeproof fireproof shutter in which a winding shaft is provided on a ceiling or an upper end of an opening of a room in a building, and an upper portion of the shielding curtain is provided on the winding shaft. Attached, the shield curtain is wound around the winding shaft when not shielded, and guide devices are attached to the left and right portions of the chamber or opening, respectively, and the portions from the left and right edges of the shield curtain are left and right. A regulating member that regulates the inward displacement of the left and right edges of the shielding curtain is provided in each of the grooved vertical members of the guide device, and the detection device is provided with smoke or flame. When it is necessary to detect
The shield curtain is unwound from the winding shaft and lowered, and in the shutter configured to shield the room or the opening with the shield curtain, the ceiling corresponding to at least one surface of the shield curtain made of fireproof close or An upper seal piece made of fire-resistant cloth is attached to the lintel, and the upper seal piece is brought into contact with the above-mentioned surface of the screen, so that smoke and flame can be prevented from leaking from the ceiling or between the lintel and the screen. In addition, the left and right seal pieces made of fire-resistant cloth are mounted in the grooved vertical members of the left and right guide devices corresponding to at least one side of the shielding curtain, and the left and right seal pieces are shielded. To make it possible to prevent the leakage of smoke and flame from between the channel-shaped vertical member and the shielding curtain, and to use silica clath, alumina cladding and Heat-resistant inorganic fiber cloth silicone resin ceramic Claus, chlorosulfonated polyethylene,
It is characterized by using a non-combustible cloth which has been treated with a coating agent such as vinylidene chloride to eliminate air permeability. In a preferred embodiment, a weight is provided on the lower portion of the shielding curtain, and when necessary, such as when a detection device detects smoke or flame, the shielding curtain is released from the winding shaft by gravity acting on the weight. So that it can be lowered. For example,
The weight is inserted into the bag-like portion formed along the lower edge of the shielding curtain.
【０００５】また、この発明の防火又は防煙防火シャッ
ターは、建物の室の天井又は開口部の上端等に巻取シャ
フトが設けられ、遮蔽幕の上側の部分が巻取シャフトに
取付けられ、遮蔽幕の下側の部分に重錘が設けられ、遮
蔽幕が非遮蔽時に巻取シャフトに巻き付けられ、室又は
開口部の左側及び右側の部分にそれぞれ案内装置が取付
けられ、遮蔽幕の左側及び右側の端縁よりの部分が左側
及び右側の案内装置の溝形縦部材内に通され、左側及び
右側の溝形縦部材内に案内棒が略鉛直な方向に向けてそ
れぞれ配され、非遮蔽時の遮蔽幕の左側及び右側の端縁
に設けた袋状部の下部内に各案内棒の上部が挿入される
ように、各案内棒の下端が固定され、検出装置が煙や火
炎を検出したとき等の必要時に、遮蔽幕の下側に取付け
た重錘に作用する重力により、遮蔽幕が巻取シャフトか
ら解舒されかつ遮蔽幕の各袋状部の内側面を各案内棒の
外側面に接触させながら降下して、この遮蔽幕にて室又
は開口部を遮蔽するようにしたシャッターにおいて、各
案内棒の上部に対応する溝形縦部材内に案内棒の内方へ
の変位を阻止する支え具を配設し、該支え具の支え部が
各案内棒の上部の中心よりも内方の位置を遮蔽幕の袋状
部の外側から支えるようにし、各案内棒に内向きの力が
作用したときに、その力を前記支え具にて受け止めて案
内棒の上部の内方への変位を阻止するようにしたことを
特徴とするものである。案内棒の内方への変位を阻止す
る支え具としては、１対の支え転子（ローラ）からなる
ものを使ってもよいし、または１対の支えシューからな
るものを使ってもよいが、その他のものを使うこともで
きる。さらに、この発明の防火又は防煙防火シャッター
は、建物の室の天井又は開口部の上端等に巻取シャフト
が設けられ、遮蔽幕の上側の部分が巻取シャフトに取付
けられ、遮蔽幕が非遮蔽時に巻取シャフトに巻き付けら
れ、遮蔽幕の下側の部分に重錘が設けられ、室又は開口
部の左側及び右側の部分にそれぞれ案内装置が取付けら
れ、遮蔽幕の左側及び右側の端縁よりの部分が左側及び
右側の案内装置の溝形縦部材内に通され、検出装置が煙
や火炎を検出したとき等の必要時に、前記重錘に作用す
る重力により遮蔽幕を巻取シャフトから解舒して降下さ
せ、この遮蔽幕にて室又は開口部を遮蔽するようにした
シャッターにおいて、遮蔽幕の下側の縁部に沿って小さ
い袋状部が形成され、小さい袋状部の外側に大きい袋状
部が形成され、小さい袋状部内に重錘が挿入され、遮蔽
時の遮蔽幕の下部と床との間からの煙や炎の漏出を防止
できるようにしたことを特徴とするものである。なお、
上記の遮蔽幕及びその下側の袋状部を耐火クロースで構
成し、該耐火クロースとしては、例えば、シリカクロー
ス、アルミナクロース及びセラミッククロースの耐熱性
無機繊維布をシリコン樹脂、クロロスルホン化ポリエチ
レン、塩化ビニリデン等のコーティング剤にて処理して
通気性をなくした不燃性布を用いる。遮蔽幕の案内棒又
は支え具と接触する左側及び右側の端縁に形成した袋状
部は、必要に応じて、耐熱性及び耐摩耗性のある補強ク
ロースで補強する。この発明の防火又は防煙防火シャッ
ターは、例えば、出火時における建物の廊下等の遮蔽、
室と室の間の開口部の遮蔽、広い室を複数の区画に仕切
る場合の仕切等に使用する。[0005] Further, in the fireproof or smokeproof fireproof shutter of the present invention, a winding shaft is provided on the ceiling of a building room or on the upper end of an opening, and the upper part of a shielding curtain is attached to the winding shaft. A weight is provided on the lower part of the curtain, the shielding curtain is wound around the winding shaft when the shielding is not shielded, and guide devices are attached to the left and right portions of the room or the opening, respectively, and the left and right sides of the shielding curtain are provided. Are passed through the grooved vertical members of the left and right guide devices, and the guide rods are respectively arranged in the substantially vertical direction in the left and right grooved vertical members, and are not shielded. The lower end of each guide rod is fixed so that the upper part of each guide rod is inserted into the lower part of the bag-shaped part provided on the left and right edges of the shielding curtain, and the detection device has detected smoke and flame Acts on the weight attached to the underside of the screen when necessary Due to the force, the shielding curtain is unwound from the winding shaft and descends while bringing the inner surface of each bag-shaped portion of the shielding curtain into contact with the outer surface of each guide rod, and shields the room or opening with the shielding curtain. In the shutter, the support member for preventing the guide bar from moving inward is disposed in the groove-shaped vertical member corresponding to the upper portion of each guide bar, and the support portion of the support member is provided for each guide bar. The position inside the center of the upper part is supported from the outside of the bag-shaped part of the shielding curtain, and when an inward force is applied to each guide rod, the force is received by the support and the guide rod is received. It is characterized in that the inward displacement of the upper part is prevented. As the support for preventing the guide rod from moving inward, a support consisting of a pair of supporting rotators (rollers) or a support consisting of a pair of supporting shoes may be used. , And others can be used. Further, in the fireproof or smokeproof fireproof shutter of the present invention, a windup shaft is provided on a ceiling of a room of a building or on an upper end of an opening or the like, an upper portion of the shield curtain is attached to the windup shaft, and the shield curtain is not mounted. Wound around the winding shaft at the time of shielding, a weight is provided at the lower part of the shielding curtain, and guide devices are attached to the left and right parts of the chamber or opening, respectively, and the left and right edges of the shielding curtain The other part is passed through the grooved vertical members of the left and right guide devices, and when necessary, such as when the detection device detects smoke or flame, the gravity acting on the weight causes the shielding curtain to be removed from the winding shaft. In a shutter that is unwound and lowered to cover a room or an opening with the shielding curtain, a small bag-shaped portion is formed along the lower edge of the shielding curtain, and the outside of the small bag-shaped portion is formed. A large bag is formed on the small bag Weight is inserted into the portion, and is characterized in that to be able to prevent leakage of smoke and flames from between the lower and the floor of the shielding curtain during shielding. In addition,
The above-mentioned shielding curtain and its lower bag-shaped part are made of fire-resistant cloth, and as the fire-resistant cloth, for example, a silica resin, an alumina cloth, and a ceramic cloth made of a heat-resistant inorganic fiber cloth of silicon resin, chlorosulfonated polyethylene, Use a non-combustible cloth treated with a coating agent such as vinylidene chloride to eliminate air permeability. If necessary, the bag-like portions formed on the left and right edges of the shielding curtain that come into contact with the guide rods or supports are reinforced with a heat-resistant and wear-resistant reinforcing cloth. The fireproof or smokeproof fireproof shutter of the present invention can be used, for example, to shield a corridor of a building during a fire,
It is used for shielding the opening between rooms and for partitioning a large room into a plurality of sections.
【０００６】[0006]
【実施例】実施例は、図１〜図９に示され、この出願の
発明の防火又は防煙防火シャッターを出火時に建物の開
口部を遮蔽する防煙防火シャッターに適用した例であ
る。防煙防火シャッター０１は、閉鎖装置１０、案内装
置２０、閉鎖制御装置３０等で構成されている。建物の
防煙防火シャッター０１で遮蔽すべき開口部１は、例え
ば、図３及び図４に示すように、垂れ壁２の下縁部２
ａ、床３の上面３ａ、壁４の右側の縁部４ａ及び壁５の
左側の縁部５ａにより画成されている。防煙防火シャッ
ターの閉鎖装置１０の巻取シャフト１１等は、図２〜図
４及び図７に示すように、垂れ壁２の下縁部２ａに沿っ
て、垂れ壁２に取付けられ、案内装置２０の溝形縦部材
２１は、壁４の左側の縁部４ａ及び壁５の右側の縁部５
ａに沿って、壁４，５に取付けられている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment is shown in FIGS. 1 to 9 and is an example in which the fireproof or smokeproof fireproof shutter of the invention of the present application is applied to a smokeproof fireproof shutter that blocks an opening of a building when a fire occurs. The smoke and fire prevention shutter 01 includes a closing device 10, a guide device 20, a closing control device 30, and the like. For example, as shown in FIGS. 3 and 4, the opening 1 to be shielded by the smoke and fire prevention shutter 01 of the building is the lower edge 2 of the hanging wall 2.
a, the upper surface 3a of the floor 3, the right edge 4a of the wall 4, and the left edge 5a of the wall 5. The winding shaft 11 and the like of the smoke and fire shutter closing device 10 are attached to the hanging wall 2 along the lower edge 2a of the hanging wall 2 as shown in FIGS. The channel-shaped vertical member 21 is provided with a left edge 4 a of the wall 4 and a right edge 5 a of the wall 5.
A is attached to the walls 4 and 5 along a.
【０００７】図３、図４及び図７に示すように、開口部
１の左側及び右側の上隅に対応する垂れ壁２の部分に植
え込みボルトｂ1及びナットｎ1にて山形鋼からなる支持
部材１２ａがそれぞれ固定され、これらの支持部材１２
ａにボルトｂ2及びナットｎ2にてブラケット１２，１４
が位置調整可能に固着され、各ブラケット１２，１４に
取付けた軸受にて、巻取シャフト１１の支持軸１１ａが
回動自在に支持されている。巻取シャフト１１の周面に
耐火クロースからなる遮蔽幕１３の一端（上端）が適宜
の手段で固着され、遮蔽幕１３が非遮蔽時に巻取シャフ
ト１１に巻き付け得るようになっている。巻取シャフト
１１の支持軸１１ａの一方の端よりの部分にチェーンホ
ィール１１ｂが固着されている。一方の支持部材１２ａ
に固着されたブラケット１４に開閉機１５が取付けら
れ、開閉機１５は、図３及び図４に示すように、チェー
ン１５ａ1を手で引き下げることにより回転する駆動機
構１５ａ、変速機構１５ｂ及び自動閉鎖機構１５ｃ等で
構成されている。なお、巻取シャフト１１、支持軸１１
ａ等はカバー１６で覆われている。As shown in FIG. 3, FIG. 4 and FIG. 7, a support made of angle iron is supported by studs b 1 and nuts n 1 at the hanging wall 2 corresponding to the upper left and right corners of the opening 1 . The members 12a are respectively fixed, and these support members 12a
a, brackets 12 and 14 with bolts b 2 and nuts n 2
The support shaft 11a of the winding shaft 11 is rotatably supported by bearings attached to the brackets 12 and 14. One end (upper end) of a shielding curtain 13 made of fire-resistant cloth is fixed to the peripheral surface of the winding shaft 11 by appropriate means, so that the shielding curtain 13 can be wound around the winding shaft 11 when the shielding curtain 13 is not shielded. A chain wheel 11b is fixed to a portion of the take-up shaft 11 from one end of the support shaft 11a. One support member 12a
Opener 15 is attached to the bracket 14 secured to the opening and closing device 15, as shown in FIGS. 3 and 4, a driving mechanism 15a which is rotated by pulling the chain 15a 1 by hand, the transmission mechanism 15b and the automatic closing It is composed of a mechanism 15c and the like. In addition, the winding shaft 11 and the support shaft 11
a and the like are covered with a cover 16.
【０００８】遮蔽幕１３をつくる耐火クロースとして
は、例えば、厚手のシリカクロース、アルミナクロース
及びセラミッククロースの耐熱性無機繊維布をシリコン
樹脂、クロロスルホン化ポリエチレン［例えば、パイパ
ロンゴム（商品名）］、塩化ビニリデン［例えば、サラ
ン樹脂］等のコーティング剤で処理して、通気性をなく
した不燃性布を使う。なお、シリカクロースを用いる場
合は、例えば、ＳｉＯ２が９６％以上のものを使う。適
宜の幅の長い耐火クロースを所定長さに切断して単位シ
ート１３ａ１をつくり、複数の単位シート１３ａ１をＳ
ＵＳ（ステンレススチール）線の縫目Ｓｔ１にて縫合
し、開口部１の縦横寸法に所定寸法を加えた大きさのシ
ート１３ａとし、このシート１３ａで遮蔽幕１３をつく
る。図５及び図３に示すように、前記シート１３ａの左
側の辺の近傍部分、右側の辺の近傍部分及び下側の辺の
近傍部分を折り曲げて、その辺に沿ってＳＵＳ線の縫目
Ｓｔ２，Ｓｔ３にて縫合し、左側及び右側の辺に沿って
袋状部１３ｂを形成するとともに、下側の辺に沿って袋
状部１３ｃを形成する。図６に示すように、遮蔽幕１３
の左側及び右側の袋状部１３ｂに対応するシート１３ａ
の部分の内側及び外側に、ポリアミド繊維クロース、芳
香族ポリアミド繊維クロース等の耐熱性及び耐摩耗性の
ある材料からなる補強クロース１３ｄ１，１３ｄ２を当
て、ＳＵＳ線の縫目Ｓｔ２にて縫合して袋状部１３ｂを
形成すると、遮蔽幕１３を繰り返し使用（頻繁に開閉）
しても、袋状部１３ｂの案内棒２３に接する内面及び支
え具２４に接する外面が擦り切れることがない。Examples of the refractory cloth for forming the shielding screen 13 include, for example, a heat-resistant inorganic fiber cloth of thick silica, alumina, and ceramic cloth, which is made of silicon resin, chlorosulfonated polyethylene (for example, pipelon rubber (trade name)), chloride, or the like. Use a non-combustible cloth that has been treated with a coating agent such as vinylidene [for example, Saran resin] to eliminate air permeability. In the case of using silica, for example, a material having 96% or more of SiO 2 is used. Creating a unit sheet 13a 1 by cutting a long refractory Claus of appropriate width to length, a plurality of unit sheet 13a 1 S
US sutured at seams St 1 of (stainless steel) wire, and the size of the sheet 13a obtained by adding a predetermined size to length and width of the opening 1, making the shielding curtain 13 in the sheet 13a. As shown in FIGS. 5 and 3, a portion near the left side, a portion near the right side, and a portion near the lower side of the sheet 13a are bent, and the seam St of the SUS line is stuck along the side. 2 and St 3 to form a bag-like portion 13b along the left and right sides and a bag-like portion 13c along the lower side. As shown in FIG.
13a corresponding to the left and right bags 13b
Inner and outer portions, polyamide fibers Claus reinforcing Claus 13d 1, 13d 2 made of a heat-resistant and wear resistant material such as aromatic polyamide fiber Claus against, stitching at seam St 2 of SUS line When the bag-shaped portion 13b is formed, the shielding curtain 13 is repeatedly used (frequently opened and closed).
Even so, the inner surface of the bag-shaped portion 13b in contact with the guide rod 23 and the outer surface of the bag-shaped portion 13b in contact with the support 24 are not worn.
【０００９】遮蔽幕１３の下側の袋状部１３ｃには、開
口部１の横方向の長さに略等しい長さの丸鋼棒からなる
一つの重錘又は所定長さに分割された丸鋼棒からなる複
数の重錘１７を挿入し、遮蔽幕１３の上側の部分を巻取
シャフト１１の外周に適宜の手段で固着する。なお、袋
に砂や鉄粉を詰めたものを重錘として袋状部１３ｃに挿
入するようにしてもよいし、袋状部１３ｃに砂や鉄粉を
そのまま詰めて重錘としてもよい。１対のまぐさ６，７
は、金属板を曲げて製作され、建物の開口部１の上縁部
を構成する垂れ壁２に沿って間隔をおいて取付けられて
いる。一方のまぐさ６の内側に遮蔽幕１３を摺接させる
平らな垂直面１８ａ1のある部材１８ａが固着され、他
方のまぐさ７の内側にシール片１８ｃを取付ける水平面
１８ｂ1のある部材１８ｂが固着されている。シール片
１８ｃは遮蔽幕１３をつくる耐火クロースと同じ耐火ク
ロースを細長く切断して製作され、このシール片１８ｃ
の長手方向の一方の辺部分を部材１８ｂの水平面１８ｂ
1上に載せ、その上に抑え板１８ｄを当て、抑え板１８
ｄ及びシール片１８ｃを部材１８ｂにボルトｂ3止めし
て、上側のシール装置１８が形成されている。このシー
ル装置１８は、そのシール片１８ｃの自由端側の縁部１
８ｃ1を、突条部１８ａの垂直面１８ａ1に摺接させた遮
蔽幕１３に当てて、遮蔽幕１３の上側をシールする。な
お、平らな垂直面１８ａ1のある部材１８ａの代わり
に、まぐさ６の内側にシール片を取付ける水平面のある
部材を固着し、この部材にシール片を抑え板及びボルト
にて取付け、まぐさ６に取付けたシール片の自由端側の
縁部とまぐさ７に取付けたシール片１８ｃの自由端側の
縁部とで遮蔽幕１３を挾み、遮蔽幕１３の上側をシール
するようにしてもよい。In the bag-like portion 13c on the lower side of the shielding curtain 13, a single weight made of a round steel rod having a length substantially equal to the lateral length of the opening 1 or a circle divided into a predetermined length is provided. A plurality of weights 17 made of steel rods are inserted, and the upper part of the shielding curtain 13 is fixed to the outer periphery of the winding shaft 11 by an appropriate means. Note that a bag filled with sand or iron powder may be inserted into the bag-like portion 13c as a weight, or the bag-like portion 13c may be directly filled with sand or iron powder to form a weight. A pair of lintels 6,7
Are made by bending a metal plate, and are attached at intervals along a hanging wall 2 constituting an upper edge of an opening 1 of a building. Fixed flat vertical surface 18a 1 of a certain member 18a to the inside of one of the lintel 6 sliding contact shielding curtain 13, a certain member 18b has a horizontal surface 18b 1 mounting the inside seal piece 18c of the other lintel 7 It is fixed. The seal piece 18c is manufactured by cutting the same fire-resistant cloth as the fire-resistant cloth for forming the shielding curtain 13 into an elongated shape.
Of one side in the longitudinal direction of the member 18b
(1) Place on the top, and press the holding plate 18d on it.
The d and seal piece 18c to member 18b by bolts b 3 stop, the upper side of the sealing device 18 is formed. The sealing device 18 is provided with an edge 1 on the free end side of the sealing piece 18c.
The 8c 1, against the shielding curtain 13 is in sliding contact with the vertical surface 18a 1 of the protruding portion 18a, to seal the upper shielding curtain 13. Instead of a flat vertical surface 18a 1 of a certain member 18a, fixing a member with a horizontal surface for attaching the sealing strip on the inner side of the lintel 6, mounted at the sealing strip the holding plate and the bolt in this member, lintel The shield 13 is sandwiched between the edge of the free end side of the seal piece attached to the rim 6 and the edge of the free end side of the seal piece 18c attached to the lintel 7, so that the upper side of the shield 13 is sealed. Is also good.
【００１０】遮蔽幕１３の案内装置２０は、溝形縦部材
２１、シール装置２２、案内棒２３及び支え具２４で構
成されている。溝形縦部材２１は、図５に示すように、
細長い矩形の金属板を横断面が矩形状になるように曲げ
て形成され、開口部１に面する右側及び左側の壁４，５
の縁部に沿って取付けられ、この溝形縦部材２１の開口
部１に面する対の辺部分２１ｂ，２１ｃ間に上下方向に
伸びる溝２１ａが設けられている。辺部分２１ｂには内
側に曲げらた垂直面２２ａ1のある辺部分２２ａが形成
され、この垂直面２２ａ1に遮蔽幕１３を摺接させるよ
うになっている。他方の辺部分２１ｃの内側には横断面
Ｕ字形の長い部材２２ｂが固着され、長い部材２２ｂの
垂直面２２ｂ1に前記シール片１８ｃと同じシール片２
２ｃを当て、その内側に抑え板２２ｄを当て、抑え板２
２ｄ及びシール片２２ｃを部材２２ｂにボルトｂ4止め
して、左側及び右側のシール装置２２が形成される。こ
のシール装置２２は、そのシール片２２ｃの自由端側の
縁部２２ｃ1を、辺部分２２ａの垂直面２２ａ1に摺接さ
せた遮蔽幕１３に当てて、遮蔽幕１３の左側及び右側を
シールする。なお、辺部分２１ｂの内側に垂直面２２ａ
1のある辺部分２２ａを形成する代わりに、図６に示す
ように、辺部分２１ｂの内側に垂直面のある長い部材２
２ｅを固着し、この長い部材２２ｅにシール片２２ｆ及
び抑え板２２ｇをボルトｂ5止めして、辺部分２１ｂに
固着した長い部材２２ｅに取付けたシール片２２ｆの自
由端側の縁部２２ｆ1と辺部分２１ｃに固着した長い部
材２２ｂに取付けたシール片２２ｃの自由端側の縁部２
２ｃ1とで遮蔽幕１３を挾み、遮蔽幕１３の左側及び右
側をシールするようにしてもよい。The guide device 20 for the shielding curtain 13 comprises a groove-shaped vertical member 21, a sealing device 22, a guide rod 23 and a support 24. As shown in FIG. 5, the groove-shaped vertical member 21
Right and left walls 4, 5 formed by bending an elongated rectangular metal plate so as to have a rectangular cross section and facing the opening 1.
A groove 21a extending vertically is provided between a pair of side portions 21b and 21c facing the opening 1 of the groove-shaped vertical member 21. Of certain side portions 22a vertical plane 22a 1 was bent et inward is formed in the side portions 21b, so that the sliding contact of the shielding curtain 13 in the vertical plane 22a 1. The inside of the other side portion 21c secured long member 22b of cross-section U-shaped, long the vertical plane 22b 1 of the member 22b seal pieces 18c and same sealing strip 2
2c, and a pressing plate 22d is applied to the inside of the pressing plate 2c.
2d and a seal piece 22c by bolts b 4 fastened to member 22b, the left and right of the sealing device 22 is formed. The sealing device 22, the edge 22c 1 of the free end side of the seal piece 22c, against the shielding curtain 13 is in sliding contact with the vertical surface 22a 1 of the side portions 22a, seal the left and right shielding curtain 13 I do. Note that a vertical surface 22a is provided inside the side portion 21b.
As shown in FIG. 6, instead of forming the side part 22a having the first part 1 , a long member 2 having a vertical surface inside the side part 21b is formed.
Fixing a 2e, the seal segments 22f and retainer plate 22g to the long member 22e by bolts b 5 stopped, the edge portion 22f 1 of the free end side of the seal piece 22f attached to the long member 22e fixed to the side portions 21b Edge 2 on the free end side of seal piece 22c attached to long member 22b fixed to side portion 21c
2c 1 and scissors shielding curtain 13 may be sealed to the left and right shielding curtain 13.
【００１１】案内装置２０の溝形縦部材２１は、その上
方の部分が１対のまぐさ６，７間に位置し、その下端が
少なくとも床３の上面３ａと面一になるようになって
る。溝形縦部材２１内には上下方向に延びる鋼管からな
る案内棒２３が立てられ、この案内棒２３の下端が溝形
部材２１の下端に固着した基盤２１ｆに固着されてい
る。この案内棒２３は、溝形縦部材２１の上端の近傍ま
で延び、その上部に先細部２３ａが形成されている。案
内棒２３の上部に対応する溝形縦部材２１の辺部分２１
ｄ，２１ｅの内側に、それぞれブラケット２４ｂ，２４
ｂが固着され、各ブラケット２４ｂ，２４ｂにそれぞれ
支えローラ２４ａ，２４ａが支軸２４ｃ，２４ｃにて回
動自在に取付けられ、支え具２４が構成されている。そ
して、支え具２４の二つの支えローラ２４ａ，２４ａの
外周面が遮蔽幕１３を介して案内棒２３の溝２１ａ側の
部分を支え得るようになっている。なお、案内棒２３の
上部は、遮蔽幕１３の開放（上昇）時にも、その左側又
は右側の袋状部１３ｂの下部に挿入されている。The upper portion of the groove-shaped vertical member 21 of the guide device 20 is located between the pair of lintels 6 and 7, and the lower end thereof is at least flush with the upper surface 3a of the floor 3. . A guide rod 23 made of a steel pipe extending in the up-down direction is set up in the channel-shaped vertical member 21, and the lower end of the guide rod 23 is fixed to a base 21 f fixed to the lower end of the channel member 21. The guide rod 23 extends to near the upper end of the channel-shaped vertical member 21 and has a tapered portion 23a formed on the upper part thereof. Side portion 21 of groove-shaped vertical member 21 corresponding to upper part of guide rod 23
brackets 24b and 24e inside d and 21e, respectively.
b is fixed, and support rollers 24a, 24a are rotatably attached to the brackets 24b, 24b by support shafts 24c, 24c, respectively, to form the support 24. The outer peripheral surfaces of the two support rollers 24a of the support 24 can support the portion of the guide rod 23 on the groove 21a side via the shielding curtain 13. The upper portion of the guide rod 23 is inserted into the lower portion of the bag-like portion 13b on the left or right side even when the shielding curtain 13 is opened (elevated).
【００１２】遮蔽幕１３は、その遮蔽操作時に、遮蔽幕
１３の左側及び右側の端縁に形成した袋状部１３ｂ，１
３ｂが各案内棒２３に嵌まりながら降下して、左右方向
（横方向）に張られた状態になる。そして、この張られ
た状態の遮蔽幕１３に風圧等の外力が作用すると、案内
棒２３にこれを開口部１側に、すなわち、内方に曲げよ
うとする力が作用する。ところが、溝形縦部材２１内に
設けられた１対の支えローラ２４ａ，２４ａの支え部で
ある周面が案内棒２３の中心軸線より溝２１ａ側の部
分、すなわち、案内棒２３の中心よりも内方の部分を遮
蔽幕１３の袋状部１３ｂ，１３ｂの外側から支えて、前
記力を受け止めるから、開口部１に張られた遮蔽幕１３
に風圧等の力が作用しても、案内棒２３が内方に曲がる
怖れがなく、遮蔽幕１３を円滑に降下又は上昇させるこ
とができる。上記の１対の支えローラ２４ａ，２４ａの
代わりに、１対の支えシュー２４ｄ，２４ｄを用いるこ
ともできる。１対の支えシュー２４ｄ，２４ｄは、図６
に示すように、案内棒２３の上部に対応する溝形縦部材
２１の内側に固着したブラケット２４ｂ，２４ｂに支片
２４ｅ，２４ｅにてそれぞれ固着し、各支えシュー２４
ｄ，２４ｄの袋状部１３ｂの補強クロース１３ｄ２の表
面と接触する面２４ｄ１，２４ｄ１は、遮蔽幕１３を円
滑に降下又は上昇させ得る凸状の曲面にする。溝形縦部
材２１内に設けられた１対の支え具を構成する支えシュ
ー２４ｄ，２４ｄの支え部である面２４ｄ１，２４ｄ１
が案内棒２３の中心軸線より溝２１ａ側の部分、すなわ
ち、案内棒２３の中心よりも内方の部分を遮蔽幕１３の
袋状部１３ｂ，１３ｂの外側から支えて、遮蔽幕１３に
作用する力を受け止めるから、開口部１に張られた遮蔽
幕１３に風圧等の力が作用しても、案内棒２３が内方に
曲がる怖れがなく、遮蔽幕１３を円滑に降下又は上昇さ
せることができる。During the shielding operation, the shielding curtain 13 is formed into a bag-like portion 13b, 1b formed on the left or right edge of the shielding curtain 13.
3b descends while being fitted to each guide rod 23, and is in a state of being stretched in the left-right direction (lateral direction). Then, when an external force such as wind pressure acts on the shield curtain 13 in the stretched state, a force acts on the guide rod 23 to bend it toward the opening 1, that is, inward. However, the peripheral surface, which is the support portion of the pair of support rollers 24a provided in the grooved vertical member 21, is closer to the groove 21a than the center axis of the guide rod 23, that is, to the center of the guide rod 23. Since the inner portion is supported from the outside of the bag-like portions 13b, 13b of the shielding curtain 13 to receive the force, the shielding curtain 13 stretched over the opening 1 is supported.
Even if a force such as a wind pressure acts on the guide rod 23, there is no fear that the guide rod 23 will bend inward, and the shielding curtain 13 can be smoothly lowered or raised. Instead of the pair of support rollers 24a, 24a, a pair of support shoes 24d, 24d may be used. The pair of support shoes 24d, 24d are shown in FIG.
As shown in FIG. 7, the support shoes 24 are fixed to brackets 24b, 24b fixed to the inside of the groove-shaped vertical member 21 corresponding to the upper part of the guide rod 23 by supporting pieces 24e, 24e.
The surfaces 24d 1 , 24d 1 of the bag-like portion 13b of the d, 24d that come into contact with the surface of the reinforcing cloth 13d 2 are formed into convex curved surfaces that allow the shielding curtain 13 to smoothly descend or ascend. Surfaces 24d 1 , 24d 1 which are support portions of support shoes 24d, 24d constituting a pair of support members provided in the channel-shaped vertical member 21.
Supports the portion on the groove 21a side from the center axis of the guide rod 23, that is, the portion inside the center of the guide rod 23 from the outside of the bag-like portions 13b, 13b of the shield curtain 13, and acts on the shield curtain 13. Since the force is received, even if a force such as a wind pressure acts on the shielding curtain 13 stretched in the opening 1, there is no fear that the guide rod 23 is bent inward, and the shielding curtain 13 is smoothly lowered or raised. Can be.
【００１３】防煙防火シャツター０１の閉鎖制御装置３
０は、図２に示すように、煙感知器３１、制御盤３２、
手動閉鎖装置３３等で構成されている。建物の開口部１
のある室８，９の天井８ａ，９ａの端がまぐさ６，７の
下端の受け部で支持され、天井８ａの適所に煙感知器３
１が設けられ、室８の壁の適所に制御盤３２が設けら
れ、制御盤３２の制御回路がバッテリー等からなる電源
に連結され、煙感知器３１が煙を感知し、その感知信号
を制御盤３２の制御回路に送ると、制御盤３２の制御回
路から開閉機１５の自動閉鎖機構１５ｃに向けて閉鎖信
号が送られ、この閉鎖信号に基づいて自動閉鎖機構１５
ｃのソレノイドが作動して、開閉機１５のブレーキが解
放され、遮蔽幕１３の下側に取付けた重錘１７に作用す
る重力により、遮蔽幕１３を巻き付けた巻取シャフト１
１が回転し、遮蔽幕１３が降下する。そして、重錘１７
が床面３ａに達すると巻取シャフト１１の回転が止ま
る。なお、通常は、遮蔽幕１３が降下し始めると、何ら
かの方法で開閉機１５のブレーキを再作動させないがき
り、重錘１７が床面３ａに達するまで止まらない。[0013] Closure control device 3 for smoke and fire protection shirt 01
0 is a smoke detector 31, a control panel 32, as shown in FIG.
It comprises a manual closing device 33 and the like. Building opening 1
The ends of the ceilings 8a, 9a of the rooms 8, 9 are supported by the receiving portions at the lower ends of the lintels 6, 7, and the smoke detector 3
1, a control panel 32 is provided at an appropriate position on the wall of the room 8, a control circuit of the control panel 32 is connected to a power source such as a battery, and a smoke detector 31 detects smoke and controls the detection signal. When the signal is sent to the control circuit of the panel 32, a closing signal is sent from the control circuit of the control panel 32 to the automatic closing mechanism 15c of the switchgear 15, and the automatic closing mechanism 15
The solenoid of c operates, the brake of the switch 15 is released, and the gravity acting on the weight 17 attached to the lower side of the shield 13 causes the winding shaft 1 around which the shield 13 is wound.
1 rotates, and the shielding curtain 13 descends. And the weight 17
When the roller reaches the floor surface 3a, the rotation of the winding shaft 11 stops. Normally, when the curtain 13 starts to descend, the brake of the switch 15 is not restarted by any means, but does not stop until the weight 17 reaches the floor 3a.
【００１４】感知器３１が出火を感知する以前に、例え
ば、人が出火を発見したような場合には、手動閉鎖装置
３３を操作して開閉機１５のブレーキを解放し、遮蔽幕
１３を降下させる。例えば、手動閉鎖装置３３の操作レ
バーを引くと、操作レバーに連結したワイヤーにて開閉
機１５のブレーキを解放し、操作レバーを元の位置に戻
すと、開閉機１５のブレーキを再作動させ得るようにす
る。このようにすると、遮蔽幕１３の降下中にその降下
を止めることができる。開閉機１５の駆動機構１５ａの
チェーン１５ａ1を手で引き下げることにより、閉鎖機
１５のブレーキが再作動し、駆動機構１５ａを回転させ
ることができる。そして、駆動機構１５ａの回転が変速
機構１５ｂで変速され、変速機構１５ｂの出力軸１５ｂ
1が回転し、この出力軸１５ｂ1の回転がこの軸に取付け
たチェーンホイール１５ｄ、チェーン１５ｅ及び支持軸
１１ａに固着したチェーンホィール１１ｂ等を介して巻
取シャフト１１に伝達され、遮蔽幕１３が巻取シャフト
１１に巻き付けられ、降下した遮蔽幕１３を巻き上げる
ことができる。If, for example, a person detects a fire before the detector 31 detects a fire, the manual closing device 33 is operated to release the brake of the switchgear 15 and the shielding curtain 13 is lowered. Let it. For example, when the operation lever of the manual closing device 33 is pulled, the brake of the switch 15 is released by the wire connected to the operation lever, and when the operation lever is returned to the original position, the brake of the switch 15 can be reactivated. To do. In this way, the descent can be stopped while the shielding curtain 13 is descending. By pulling the chain 15a 1 of the driving mechanism 15a of the driving device 15 by hand, the braking of the breechblock 15 is re-actuated, it is possible to rotate the driving mechanism 15a. Then, the rotation of the drive mechanism 15a is shifted by the transmission mechanism 15b, and the output shaft 15b of the transmission mechanism 15b is changed.
1 rotates, and the rotation of the output shaft 15b 1 is transmitted to the winding shaft 11 via a chain wheel 15d, a chain 15e attached to the shaft, a chain wheel 11b fixed to the support shaft 11a, and the like. The shield curtain 13 wound around the winding shaft 11 and lowered can be wound up.
【００１５】実施例の防煙防火シャッター０１は、遮蔽
幕１３をつくる耐火クロースとして、厚手のシリカクロ
ース、アルミナクロース、セラミッククロース等の耐熱
性無機繊維布を、シリコン樹脂、クロロスルホン化ポリ
エチレン、塩化ビニリデン等のコーティング剤で処理し
て、通気性をなくした不燃性布を使うから、防煙性及び
防火性がよく、遮蔽体として金属からなるスラットを使
うものに比べて、非常に軽量であり、かつ遮蔽幕１３の
降下時の騒音を小さくすることができる。実施例の防煙
防火シャッター０１は、案内棒２３の上部に対応させて
１対の支えローラ２４ａ，２４ａ又は支えシュー２４
ｄ，２４ｄからなる支え具２４を設けたから、降下した
遮蔽幕１３に風圧等の力が作用しても、案内棒２３が開
口部１側に曲がることがなく、遮蔽幕１３の周囲に隙間
があき、そこから煙や炎が漏れ出ることがない。実施例
の防煙防火シャッター０１は、遮蔽幕１３を１対のまぐ
さ６，７間に通し、まぐさ６，７間にシール装置１８を
設け、そのシール片１８ｃの自由端側の縁部１８ｃ1を
その部材１８ａの垂直面１８ａ1に摺接させた遮蔽幕１
３に当てて、遮蔽幕１３の上側の部分をシールするか
ら、出火時に遮蔽幕１３の上側の部分から、煙や炎が漏
れ出ることがない。The smoke and fire prevention shutter 01 of the embodiment uses a heat-resistant inorganic fiber cloth such as thick silica, alumina or ceramic as a fire-resistant cloth for forming the shielding screen 13 by using silicone resin, chlorosulfonated polyethylene, chloride, or the like. Uses a non-combustible cloth treated with a coating agent such as vinylidene to eliminate air permeability, so it has good smoke and fire resistance, and is extremely light in weight compared to one that uses metal slats as a shield. In addition, noise when the shielding curtain 13 descends can be reduced. The smoke and fire prevention shutter 01 of the embodiment has a pair of support rollers 24a, 24a or support shoes 24 corresponding to the upper part of the guide rod 23.
Since the support member 24 made of d and 24d is provided, even if a force such as wind pressure acts on the lowered shielding curtain 13, the guide rod 23 does not bend toward the opening 1 side, and a gap is formed around the shielding curtain 13. Aki, no smoke or fire leaks out of it. In the smoke and fire prevention shutter 01 of the embodiment, the shielding curtain 13 is passed between the pair of lintels 6 and 7, a sealing device 18 is provided between the lintels 6 and 7, and the edge of the sealing piece 18c on the free end side. 18c 1 slides on the vertical surface 18a 1 of the member 18a.
3, the upper part of the screen 13 is sealed, so that no smoke or flame leaks from the upper part of the screen 13 when a fire occurs.
【００１６】実施例の防煙防火シャッター０１は、左側
及び右側の案内装置２０の各溝形縦部材２１内にシール
装置２２を設け、そのシール片２２ｃの自由端側の縁部
２２ｃ1を、その辺部分２２ａの垂直面２２ａ1に摺接さ
せた遮蔽幕１３に当てて、遮蔽幕１３の左側及び右側の
部分をシールするようになっているから、出火時に遮蔽
幕１３の左側及び右側の部分から、煙や炎が漏れ出るこ
とがない。実施例の防煙防火シャッター０１は、その遮
蔽幕１３の下側の袋状部１３ｃに重錘１７を挿入したか
ら、遮蔽幕１３への重錘１７の取付が容易になり、この
重錘１７に作用する重力により遮蔽幕１３を容易に降下
させることができる。そして、重錘１７が床面３ａに達
して止まると、遮蔽幕１３の袋状部１３ｃの下側の部分
が重錘１７により床面３ａに圧接され、遮蔽幕１３の下
側をシールするから、出火時に遮蔽幕１３の下側から煙
や炎が漏れ出ることがない。なお、火災時に遮蔽幕１３
が何らかの原因（例えば、高温による遮蔽幕１３の収
縮）により、遮蔽幕１３の下端が床面から浮き上がる恐
れのある場合には、例えば、図８に示すように、遮蔽幕
１３の下縁部に遮蔽幕１３と同じ耐火クロースからなる
袋状部１３ｃを縫い付け、この袋状部１３ｃの外側に遮
蔽幕１３と同じ耐火クロースからなる長い覆布１３Ａａ
を配し、長い覆布１３Ａａの長手方向の両側の縁部１３
Ａａ1を遮蔽幕１３の下部にSUS線の縫目Ｓｔ4にて縫い
付けて、大きい袋状部１３Ａを形成し、内側の小さい袋
状部１３ｃ内に丸鋼棒からなる重錘１７を挿入する。こ
のようにすると、図９に示すように、火災時に遮蔽幕１
３の重錘１７を挿入した袋状部１３ｃが浮き上がって
も、大きい袋状部１３Ａの下部が床面３ａに当たってい
るから、遮蔽幕１３の下側と床面３ａとの間に隙間がで
きることがなく、遮蔽幕１３の下側からの煙や炎の漏出
を完全に防止することができる。[0016] smoke fire shutter 01 embodiment, the sealing device 22 provided in each groove-shaped longitudinal member 21 of the left and right sides of the guiding device 20, the edge 22c 1 of the free end side of the seal piece 22c, against the shielding curtain 13 is in sliding contact with the vertical surface 22a 1 of the side portion 22a, because is adapted to seal the left and right part of the shielding curtain 13, the fire when the shielding curtain 13 left and right No smoke or fire leaks out of the part. In the smoke and fire prevention shutter 01 of the embodiment, since the weight 17 is inserted into the bag-like portion 13 c below the shielding curtain 13, the weight 17 is easily attached to the shielding curtain 13. The shielding curtain 13 can be easily lowered by the gravity acting on the shield curtain 13. When the weight 17 reaches the floor surface 3a and stops, the lower part of the bag-like portion 13c of the shielding curtain 13 is pressed against the floor surface 3a by the weight 17 to seal the lower side of the shielding curtain 13. In addition, smoke and flame do not leak from the lower side of the screen 13 at the time of fire. In the event of a fire, the screen 13
However, if there is a possibility that the lower end of the shielding curtain 13 will rise from the floor surface due to some cause (for example, shrinkage of the shielding curtain 13 due to high temperature), for example, as shown in FIG. A bag-like portion 13c made of the same fire-resistant cloth as the screen 13 is sewn, and a long cloth 13Aa made of the same fire-resistant cloth as the screen 13 is sewn on the outside of the bag-like portion 13c.
And the edges 13 on both sides in the longitudinal direction of the long covering cloth 13Aa
The aa 1 sewn in the stitch St 4 lower part of the SUS wire shielding curtain 13 to form a large bag-shaped portion 13A, inserting the weight 17 made of a round steel rod inside a small bag-like portion 13c I do. In this way, as shown in FIG.
Even when the bag-like portion 13c into which the weights 17 are inserted rises, the lower portion of the large bag-like portion 13A hits the floor surface 3a, so that a gap may be formed between the lower side of the shielding curtain 13 and the floor surface 3a. Therefore, it is possible to completely prevent the leakage of smoke and flame from the lower side of the shielding curtain 13.
【００１７】[0017]
【発明の作用効果】この発明は、特許請求の範囲の欄に
記載した構成を備えることにより、次の（イ）〜（ヘ）
の作用効果を奏する。 （イ）請求項１記載の防火又は防煙防火シャッターは、
建物の室の天井又は開口部の上端等に巻取シャフトが設
けられ、遮蔽幕の上側の部分が巻取シャフトに取付けら
れ、遮蔽幕が非遮蔽時に巻取シャフトに巻き付けられ、
室又は開口部の左側及び右側の部分にそれぞれ案内装置
が取付けられ、遮蔽幕の左側及び右側の端縁よりの部分
が左側及び右側の案内装置の溝形縦部材内に通され、各
溝形縦部材内に遮蔽幕の左側及び右側の縁部の内方への
変位を規制する規制部材が設けられ、検出装置が煙や火
炎を検出したとき等の必要時に、遮蔽幕を巻取シャフト
から解舒して降下させ、この遮蔽幕にて室又は開口部を
遮蔽するようにしたシャッターにおいて、耐火クロース
からなる遮蔽幕の少なくとも一方の側の面に対応する天
井又はまぐさに耐火クロースからなる上側のシール片を
取付け、この上側のシール片を遮蔽幕の前記面に接触さ
せ、天井又はまぐさと遮蔽幕との間からの煙や炎の漏出
を防止できるようにし、かつ遮蔽幕の少なくとも一方の
側の面に対応する左側及び右側の案内装置の溝形縦部材
内に耐火クロースからなる左側及び右側のシール片を取
付け、この左側及び右側のシール片を遮蔽時の遮蔽幕の
前記面に接触させ、前記溝形縦部と遮蔽幕との間からの
煙や炎の漏出を防止できるようにし、前記耐火クロース
としてシリカクロース、アルミナクロース及びセラミッ
ククロースの耐熱性無機繊維布をシリコン樹脂、クロロ
スルホン化ポリエチレン、塩化ビニリデン等のコーティ
ング剤にて処理して通気性をなくした不燃性布を用いた
から、出火時に、遮蔽幕の上側、左側及び右側からの煙
や炎の漏出を完全に防止することができる。また、遮蔽
幕及びシール片を構成する耐火クロースがシリカクロー
ス、アルミナクロース及びセラミッククロースの耐熱性
無機繊維布をシリコン樹脂、クロロスルホン化ポリエチ
レン、塩化ビニリデン等のコーティング剤にて処理して
通気性をなくした不燃性布でつくり、かつ上側のシール
片、左側のシール片及び右側のシール片を遮蔽幕と同じ
不燃性布であるから、遮蔽体として金属からなるスラッ
トを使うものに比べて、閉鎖音を小さくすることができ
るだけでなく、遮蔽幕及びシール片が火災時の高温度に
長時間曝されても、この遮蔽幕及びシール片はその温度
に十分に耐えることができる。そのうえ、大幅に軽量化
することができるから、出火時に防火又は防煙防火シャ
ッターが閉じて逃げ遅れた場合にも、降下した遮蔽幕を
人手にて持ち上げて逃げ出すことができる。 （ロ）請求項２記載の防火又は防煙防火シャッター装置
は、建物の室の天井又は開口部の上端等に巻取シャフト
が設けられ、遮蔽幕の上側の部分が巻取シャフトに取付
けられ、遮蔽幕の下側の部分に重錘が設けられ、遮蔽幕
が非遮蔽時に巻取シャフトに巻き付けられ、室又は開口
部の左側及び右側の部分にそれぞれ案内装置が取付けら
れ、遮蔽幕の左側及び右側の端縁よりの部分が左側及び
右側の案内装置の溝形縦部材内に通され、左側及び右側
の溝形縦部材内に案内棒が略鉛直な方向に向けてそれぞ
れ配され、非遮蔽時の遮蔽幕の左側及び右側の端縁に設
けた袋状部の下部内に各案内棒の上部が挿入されるよう
に、各案内棒の下端が固定され、検出装置が煙や火炎を
検出したとき等の必要時に、遮蔽幕の下側に取付けた重
錘に作用する重力により、遮蔽幕が巻取シャフトから解
舒されかつ遮蔽幕の各袋状部の内側面を各案内棒の外側
面に接触させながら降下して、この遮蔽幕にて室又は開
口部を遮蔽するようにしたシャッターにおいて、各案内
棒の上部に対応する溝形縦部材内に案内棒の内方への変
位を阻止する支え具を配設し、該支え具の支え部が各案
内棒の上部の中心よりも内方の位置を遮蔽幕の袋状部の
外側から支えるようにし、各案内棒に内向きの力が作用
したときに、その力を前記支え具にて受け止めて案内棒
の上部の内方への変位を阻止するようにしたから、降下
させて閉じた遮蔽幕に風圧等の力が作用しても、案内棒
が内方（開口部側）に曲がることがなく、遮蔽幕の開閉
動を円滑に行なうことができる。案内棒の上部が内方へ
曲がって変位することがないので、巻き上げる遮蔽幕の
幅が変わることなく、遮蔽幕の端部がきれいに揃って、
遮蔽幕が巻取シャフトに巻き付けられる。 （ハ）請求項３記載の防火又は防煙防火シャッター装置
は、案内棒の上部の内方への変位を阻止する支え具が一
対の転子で構成されているから、各転子が遮蔽幕の降下
又は上昇時に自由に回転して、その降下及び上昇の妨げ
になることがない。The present invention has the following features (a) to (f) by providing the structure described in the claims.
The operation and effect of (B) The fireproof or smokeproof fireproof shutter according to claim 1 is
A take-up shaft is provided at the ceiling or the upper end of the opening of the room of the building, the upper portion of the shielding curtain is attached to the winding shaft, and the shielding curtain is wound around the winding shaft when the shield is not shielded,
A guide device is attached to each of the left and right portions of the chamber or the opening, and a portion from the left and right edges of the shielding curtain is passed through the channel-shaped vertical members of the left and right guide devices. A regulating member for regulating the inward displacement of the left and right edges of the shielding curtain is provided in the vertical member, and when necessary, such as when the detection device detects smoke or flame, the shielding curtain is removed from the winding shaft. In a shutter that is unwound and lowered to shield a room or an opening with the shield curtain, the shield or the lintel corresponding to at least one surface of the shield curtain made of fireproof cloth is made of fireproof cloth. Attach the upper seal piece, contact the upper seal piece with the surface of the screen, prevent leakage of smoke or flame from between the ceiling or lintel and the screen, and at least one of the screens Corresponding to the side of The left and right seal pieces made of refractory cloth are mounted in the grooved vertical members of the side and right guide devices, and the left and right seal pieces are brought into contact with the surface of the shielding curtain at the time of shielding. To prevent the leakage of smoke and flame from between the section and the screen, heat-resistant inorganic fiber cloth of silica, alumina, and ceramic as the fire-resistant cloth, silicon resin, chlorosulfonated polyethylene, vinylidene chloride, etc. The use of the non-combustible cloth treated with the above coating agent to eliminate air permeability makes it possible to completely prevent the leakage of smoke and flame from the upper, left and right sides of the shielding curtain at the time of fire. In addition, the refractory cloth constituting the shielding curtain and the sealing piece is made of silica cloth, alumina cloth, and ceramic cloth, and heat-resistant inorganic fiber cloth is treated with a coating agent such as silicon resin, chlorosulfonated polyethylene, and vinylidene chloride to improve air permeability. It is made of lost non-combustible cloth, and the upper seal piece, left seal piece and right seal piece are the same non-combustible cloth as the shielding curtain, so it is closed compared to those using metal slats as shielding. Not only can the sound be reduced, but also if the screen and seal pieces are exposed to high temperatures during a fire for an extended period of time, they can withstand that temperature well. In addition, since the weight can be significantly reduced, even when the fire or smoke prevention fire shutter is closed at the time of a fire and the escape is delayed, the lowered shielding curtain can be manually lifted and escaped. (B) In the fireproof or smokeproof fireproof shutter device according to claim 2, a winding shaft is provided on a ceiling or an upper end of an opening of a room of a building, and an upper portion of the shielding curtain is attached to the winding shaft. A weight is provided in a lower portion of the shielding curtain, the shielding curtain is wound around the winding shaft when the shielding is not shielded, and a guide device is attached to each of the left and right portions of the room or the opening, and the left and right of the shielding curtain are attached. The portion from the right edge is passed through the grooved vertical members of the left and right guide devices, and the guide rods are arranged in the left and right grooved vertical members in a substantially vertical direction, respectively, and are not shielded. The lower end of each guide rod is fixed so that the upper part of each guide rod is inserted into the lower part of the bag-shaped part provided on the left and right edges of the shielding curtain at the time, and the detection device detects smoke and flame Gravity acting on the weight attached below the screen when necessary Thus, the shielding curtain is unwound from the winding shaft and descends while bringing the inner surface of each bag-shaped portion of the shielding curtain into contact with the outer surface of each guide rod, and shields the room or opening with this shielding curtain. In the shutter, a support member for preventing the guide bar from moving inward is provided in a groove-shaped vertical member corresponding to an upper portion of each guide bar, and the support portion of the support member is provided at an upper portion of each guide bar. Of the shielding curtain from the outside of the bag-shaped part of the shielding curtain, when an inward force is applied to each guide rod, the force is received by the support and the upper part of the guide rod The guide rod does not bend inward (opening side) even if a force such as wind pressure acts on the closed curtain that has been lowered and closed, since the inward displacement is prevented. Can be smoothly opened and closed. Since the upper part of the guide rod does not bend inward and displace, the width of the shielding curtain to be rolled up does not change, and the edges of the shielding curtain are aligned neatly,
The shielding curtain is wound around the winding shaft. (C) In the fire prevention or smoke prevention fire prevention device according to the third aspect, the support member for preventing the inward displacement of the upper portion of the guide rod is constituted by a pair of trochanters. It rotates freely when descending or ascending, and does not hinder its descending and ascent.
【００１８】（ニ）請求項４記載の防火又は防煙防火シ
ャッター装置は、建物の室の天井又は開口部の上端等に
巻取シャフトが設けられ、遮蔽幕の上側の部分が巻取シ
ャフトに取付けられ、遮蔽幕が非遮蔽時に巻取シャフト
に巻き付けられ、遮蔽幕の下側の部分に重錘が設けら
れ、室又は開口部の左側及び右側の部分にそれぞれ案内
装置が取付けられ、遮蔽幕の左側及び右側の端縁よりの
部分が左側及び右側の案内装置の溝形縦部材内に通さ
れ、検出装置が煙や火炎を検出したとき等の必要時に、
前記重錘に作用する重力により遮蔽幕を巻取シャフトか
ら解舒して降下させ、この遮蔽幕にて室又は開口部を遮
蔽するようにしたシャッターにおいて、遮蔽幕の下側の
縁部に沿って小さい袋状部が形成され、小さい袋状部の
外側に大きい袋状部が形成され、小さい袋状部内に重錘
が挿入され、遮蔽時の遮蔽幕の下部と床との間からの煙
や炎の漏出を防止できるようにしたから、火災時に何ら
かの原因により遮蔽幕の重錘を挿入した小さい袋状部が
床面から浮き上がっても、大きい袋状部の下部が床面に
当たっており、遮蔽幕の下端と床面との間に隙間ができ
ることがなく、遮蔽幕の下側からの煙及び炎の漏出を完
全に防止することができる。 （ホ）請求項５記載の防火又は防煙防火シャッター装置
は、遮蔽幕及びその下側の袋状部が耐火クロースで構成
され、該耐火クロースがシリカクロース、アルミナクロ
ース及びセラミッククロースの耐熱性無機繊維布をシリ
コン樹脂、クロロスルホン化ポリエチレン、塩化ビニリ
デン等のコーティング剤にて処理して通気性をなくした
不燃性布であるから、防煙性と防火性とを兼備すること
ができ、防火又は防煙防火シャッター装置を簡素化する
ことができる。また、遮蔽体として金属からなるスラッ
トを使うものに比べて、閉鎖音を小さくすることができ
るだけでなく、遮蔽幕及びその下側の袋状部が、火災時
の高温度に長時間にわたって曝されても、その高温度に
十分に耐えることができ、遮蔽時の遮蔽幕の下部と床と
の間からの煙及び炎の漏出を確実に防止することができ
る。(4) In the fire-prevention or smoke-prevention fire-retardant shutter device according to the present invention, a winding shaft is provided on a ceiling or an upper end of an opening of a room of a building, and an upper portion of the shielding curtain is connected to the winding shaft. The shield curtain is wound around the winding shaft when the shield curtain is not shielded, a weight is provided on a lower portion of the shield curtain, and guide devices are mounted on left and right portions of the chamber or the opening, respectively. The part from the left and right edges of the above is passed through the grooved vertical members of the left and right guide devices, and when necessary, such as when the detection device detects smoke or flame,
By unwinding and lowering the shielding curtain from the winding shaft by the gravity acting on the weight, the shutter is configured to shield the room or the opening with the shielding curtain. A small bag-shaped part is formed, a large bag-shaped part is formed outside the small bag-shaped part, a weight is inserted into the small bag-shaped part, and smoke from between the lower part of the shielding curtain and the floor at the time of shielding. And the leakage of flames can be prevented, so even if the small bag-shaped part into which the weight of the shielding curtain is inserted rises from the floor for some reason in the event of fire, the lower part of the large bag-shaped part hits the floor, There is no gap between the lower end of the curtain and the floor, and it is possible to completely prevent the smoke and the flame from leaking from below the shielding curtain. (E) The fireproof or smokeproof fireproof shutter device according to claim 5, wherein the shielding curtain and the lower bag-shaped part thereof are made of fire-resistant cloth, and the fire-resistant cloth is made of a heat-resistant inorganic material such as silica, alumina or ceramic. Since it is a non-combustible cloth that has lost air permeability by treating a fiber cloth with a coating agent such as silicone resin, chlorosulfonated polyethylene, and vinylidene chloride, it can have both smoke and fire resistance, The smoke and fire prevention shutter device can be simplified. In addition, compared to the case of using metal slats as the shield, not only the closing sound can be reduced, but also the shield curtain and the lower bag-shaped part are exposed to the high temperature at the time of fire for a long time. However, it is possible to sufficiently withstand the high temperature, and it is possible to reliably prevent the leakage of smoke and flame from between the lower part of the shielding curtain and the floor at the time of shielding.
【図１】実施例の防煙防火シャッターの要部を縦断した
側面図FIG. 1 is a side view of a main part of a smoke and fire prevention shutter according to an embodiment of the present invention.
【図２】図３に示す防煙防火シャッターをそのＢ−Ｂ線
で縦断した側面図FIG. 2 is a side view of the smoke and fire protection shutter shown in FIG. 3 taken along the line BB.
【図３】実施例の防煙防火シャッターの正面図FIG. 3 is a front view of the smoke and fire prevention shutter of the embodiment.
【図４】中央部を省いた実施例の防煙防火シャッターの
平面図FIG. 4 is a plan view of a smoke and fire prevention shutter according to an embodiment in which a central portion is omitted.
【図５】図１に示す防煙防火シャッターの案内装置をそ
のＡ−Ａ線で横断した平面図FIG. 5 is a plan view of the guide device of the smoke and fire prevention shutter shown in FIG. 1 taken along the line AA.
【図６】図５に示すものと異なる防煙防火シャッターの
案内装置等を図１のＡ−Ａ線と同様の線で横断した平面
図FIG. 6 is a plan view of a guide device for a smoke and fire prevention shutter different from that shown in FIG. 5 taken along a line similar to the line AA in FIG. 1;
【図７】図２に示す防煙防火シャッターの要部を拡大し
た側面図FIG. 7 is an enlarged side view of a main part of the smoke and fire prevention shutter shown in FIG. 2;
【図８】図１の遮蔽幕の重錘の取付法と異なる遮蔽幕の
重錘の取付法を示す縦断面図FIG. 8 is a longitudinal sectional view showing a method of attaching the weight of the shielding curtain different from the method of attaching the weight of the shielding curtain of FIG. 1;
【図９】図８に示す取付法により重錘を取付けた遮蔽幕
の降下状態を示す縦断面図FIG. 9 is a longitudinal sectional view showing a lowered state of a shielding curtain attached with a weight by the attachment method shown in FIG. 8;
０１ 防煙防火シャッター １ 開口部 ２ 垂れ壁 ３ 床 ４，５ 壁 ６，７ まぐさ ８，９ 室 １０ 閉鎖装置 １１ 巻取シャフト １１ａ 支持軸 １１ｂ チェーンホィール １２，１４ ブラケット １３ 遮蔽幕 １３ｂ，１３ｃ，１３Ａ 袋状部 １５ 開閉機 １５ａ 駆動機構 １５ｂ 変速機構 １５ｃ 自動閉鎖機構 １６ カバー １７ 重錘 １８ 上側のシール装置 １８ｃ 上側のシール片 ２０ 案内装置 ２１ 溝形縦部材 ２１ａ 溝 ２２ 左側及び右側のシール装置 ２２ｃ 左側及び右側のシール片 ２３ 案内棒 ２４ａ 支えローラ ２４ｄ 支えシュー ３０ 閉鎖制御装置 ３１ 煙感知器 ３２ 制御盤 ３３ 手動閉鎖装置 Ｓｔ1〜Ｓｔ4 縫い目 ｂ1〜ｂ5 ボルト01 smoke prevention fire prevention shutter 1 opening 2 hanging wall 3 floor 4,5 wall 6,7 lintel 8,9 room 10 closing device 11 winding shaft 11a support shaft 11b chain wheel 12,14 bracket 13 shielding curtain 13b, 13c, 13A Bag-like portion 15 Switch 15a Drive mechanism 15b Transmission mechanism 15c Automatic closing mechanism 16 Cover 17 Weight 18 Upper seal device 18c Upper seal piece 20 Guide device 21 Groove-shaped vertical member 21a Groove 22 Left and right seal devices 22c left and right seal pieces 23 guide rod 24a support roller 24d supporting shoe 30 closing controller 31 smoke detector 32 control panel 33 manually closing device St 1 ~St 4 seams b 1 ~b 5 volt
───────────────────────────────────────────────────── フロントページの続き (72)発明者 鈴木 秀文 福岡市中央区天神四丁目２番20号 株式 会社竹中工務店 九州支店内 (72)発明者 鶴田 誠 福岡市中央区天神四丁目２番20号 株式 会社竹中工務店 九州支店内 (72)発明者 土井 昇 福岡市中央区天神四丁目２番20号 株式 会社竹中工務店 九州支店内 (72)発明者 有津 均 福岡市中央区天神四丁目２番20号 株式 会社竹中工務店 九州支店内 (72)発明者 中洲 司 福岡市中央区天神四丁目２番20号 株式 会社竹中工務店 九州支店内 (72)発明者 前田 克己 鯖江市熊田町１の100 東工シャッター 株式会社内 (72)発明者 林 秀樹 鯖江市熊田町１の100 東工シャッター 株式会社内 (72)発明者 常谷 雅彦 東京都港区芝大門一丁目１番26号 ニチ アス株式会社内 (72)発明者 伏貫 博利 福岡市中央区白金一丁目１番15号 ニチ アス株式会社 九州支社内 (72)発明者 横山 隆太郎 東京都港区芝大門一丁目１番26号 ニチ アス株式会社内 (72)発明者 大貫 寿文 浜松市新都田一丁目１番１号 ニチアス 株式会社 浜松研究所内 (56)参考文献 特開 昭48−7553（ＪＰ，Ａ) 特公 昭64−558（ＪＰ，Ｂ２) 実公 平４−50398（ＪＰ，Ｙ２) 実公 昭54−13814（ＪＰ，Ｙ２) 実公 平８−2394（ＪＰ，Ｙ２) (58)調査した分野(Int.Cl.7，ＤＢ名) E06B 5/16 E06B 9/02 - 9/17 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hidefumi Suzuki 4-2-2, Tenjin, Chuo-ku, Fukuoka City Inside the Takenaka Corporation Kyushu Branch (72) Inventor Makoto Tsuruta 4-2-2, Tenjin, Chuo-ku, Fukuoka City No. Takenaka Corporation Kyushu Branch (72) Inventor Noboru 2-20 4-20 Tenjin, Chuo-ku, Fukuoka City Takenaka Corporation Kyushu Branch (72) Inventor Hitoshi Aritu 4-chome Tenjin, Chuo-ku, Fukuoka City No. 2-20 Takenaka Corporation Kyushu Branch (72) Inventor Tsukasa Nakasu 4-20-20 Tenjin, Chuo-ku, Fukuoka City Takenaka Corporation Kyushu Branch (72) Inventor Katsumi Maeda 1 Kumadacho, Sabae City No. 100 Toko Shutter Co., Ltd. (72) Inventor Hideki Hayashi 1 of 100 Kumada-cho, Sabae City In 100 Toko Shutter Co., Ltd. (72) Inventor Masahiko Tsuneya Shiba, Minato-ku, Tokyo 1-21-2 Daimon Nichias Co., Ltd. (72) Inventor Hirotoshi Fusuki 1-1-15 Shirokane, Chuo-ku, Fukuoka Nichiasu Co., Ltd. Kyushu branch office (72) Inventor Ryutaro Yokoyama Shiba-Daimon, Minato-ku, Tokyo 1-1-26 Nichias Co., Ltd. (72) Inventor Toshifumi Onuki 1-1-1, Shintoda, Hamamatsu-shi Nichias Co., Ltd., Hamamatsu Research Laboratory (56) References JP-A-48-7553 (JP, A) Japanese Patent Publication No. 64-558 (JP, B2) Japanese Utility Model No. 4-50398 (JP, Y2) Japanese Utility Model No. 54-13814 (JP, Y2) Japanese Utility Model No. 8-2394 (JP, Y2) (58) Fields surveyed (Int.Cl. 7 , DB name) E06B 5/16 E06B 9/02-9/17
Claims (5)
シャフトが設けられ、遮蔽幕の上側の部分が巻取シャフ
トに取付けられ、遮蔽幕が非遮蔽時に巻取シャフトに巻
き付けられ、室又は開口部の左側及び右側の部分にそれ
ぞれ案内装置が取付けられ、遮蔽幕の左側及び右側の端
縁よりの部分が左側及び右側の案内装置の溝形縦部材内
に通され、各溝形縦部材内に遮蔽幕の左側及び右側の縁
部の内方への変位を規制する規制部材が設けられ、検出
装置が煙や火炎を検出したとき等の必要時に、遮蔽幕を
巻取シャフトから解舒して降下させ、この遮蔽幕にて室
又は開口部を遮蔽するようにしたシャッターにおいて、
耐火クロースからなる遮蔽幕の少なくとも一方の側の面
に対応する天井又はまぐさに耐火クロースからなる上側
のシール片を取付け、この上側のシール片を遮蔽幕の前
記面に接触させ、天井又はまぐさと遮蔽幕との間からの
煙及び炎の漏出を防止できるようにし、かつ遮蔽幕の少
なくとも一方の側の面に対応する左側及び右側の案内装
置の溝形縦部材内に耐火クロースからなる左側及び右側
のシール片を取付け、この左側及び右側のシール片を遮
蔽時の遮蔽幕の前記面に接触させ、前記溝形縦部材と遮
蔽幕との間からの煙及び炎の漏出を防止できるように
し、前記耐火クロースとしてシリカクロース、アルミナ
クロース及びセラミッククロースの耐熱性無機繊維布を
シリコン樹脂、クロロスルホン化ポリエチレン、塩化ビ
ニリデン等のコーティング剤にて処理して通気性をなく
した不燃性布を用いたことを特徴とする防火又は防煙防
火シャッター。1. A winding shaft is provided at a ceiling or an upper end of an opening of a room of a building, an upper portion of a shielding curtain is attached to the winding shaft, and the shielding curtain is wound around the winding shaft when the shielding is not shielded. A guide device is attached to each of the left and right portions of the chamber or the opening, and a portion from the left and right edges of the shielding curtain is passed through the grooved vertical members of the left and right guide devices, and each groove is provided. Katachitate member is regulating member for regulating left and displacement towards inside the right edge of the shielding curtain provided, the necessary time, such as when the detection device detects the smoke and flames, winding the shielding curtain In the shutter unwound from the shaft and lowered, and the room or opening is shielded by this shielding curtain,
Upper made of refractory Claus ceiling or lintel corresponding to at least the surface of one side of the shielding curtain made of refractory Claus
Mounting a seal member, the upper sealing strip is brought into contact with the surface of the shielding curtain, from between the ceiling or lintel and the shielding curtain
To be able to prevent leakage of smoke and flames, and consists of refractory Claus the left and the groove-shaped longitudinal member of the right guide device corresponding to the surface of at least one side of the shielding curtain left and right
Attaching the sealing strip, the left and right seal pieces into contact with the surface of the shielding curtain during shielding, shielding and the groove-shaped longitudinal member
To be able to prevent leakage of smoke and flames from between 蔽幕, silica Claus alumina as the refractory Claus
Heat-resistant inorganic fiber cloth of ceramics and ceramics
Silicon resin, chlorosulfonated polyethylene, vinyl chloride
Treated with a coating agent such as Nilidene to eliminate air permeability
A fireproof or smokeproof fireproof shutter characterized by using an incombustible cloth .
シャフトが設けられ、遮蔽幕の上側の部分が巻取シャフ
トに取付けられ、遮蔽幕の下側の部分に重錘が設けら
れ、遮蔽幕が非遮蔽時に巻取シャフトに巻き付けられ、
室又は開口部の左側及び右側の部分にそれぞれ案内装置
が取付けられ、遮蔽幕の左側及び右側の端縁よりの部分
が左側及び右側の案内装置の溝形縦部材内に通され、左
側及び右側の溝形縦部材内に案内棒が略鉛直な方向に向
けてそれぞれ配され、非遮蔽時の遮蔽幕の左側及び右側
の端縁に設けた袋状部の下部内に各案内棒の上部が挿入
されるように、各案内棒の下端が固定され、検出装置が
煙や火炎を検出したとき等の必要時に、遮蔽幕の下側に
取付けた重錘に作用する重力により、遮蔽幕が巻取シャ
フトから解舒されかつ遮蔽幕の各袋状部の内側面を各案
内棒の外側面に接触させながら降下して、この遮蔽幕に
て室又は開口部を遮蔽するようにしたシャッターにおい
て、各案内棒の上部に対応する溝形縦部材内に案内棒の
内方への変位を阻止する支え具を配設し、該支え具の支
え部が各案内棒の上部の中心よりも内方の位置を遮蔽幕
の袋状部の外側から支えるようにし、各案内棒に内向き
の力が作用したときに、その力を前記支え具にて受け止
めて案内棒の上部の内方への変位を阻止するようにした
ことを特徴とする防火又は防煙防火シャッター。2. A winding shaft is provided on a ceiling or an upper end of an opening of a room of a building, an upper portion of the shielding curtain is attached to the winding shaft, and a weight is provided on a lower portion of the shielding curtain. And the shielding curtain is wound around the winding shaft when not shielding,
A guide device is attached to each of the left and right portions of the room or the opening, and a portion from the left and right edges of the shielding curtain is passed through the channel-shaped vertical members of the left and right guide devices, and the left and right sides. Guide rods in a substantially vertical direction
Only each arranged, as the upper portion of each guide rod within the lower portion of the bag-like portion provided on the left and right edges of the shielding curtain during unshielded is inserted, the lower end of each guide rod is fixed, When necessary, such as when the detection device detects smoke or flame, the gravity acting on the weight attached to the lower side of the shielding curtain causes the shielding curtain to be unwound from the winding shaft and each bag-shaped portion of the shielding curtain to be released. The inner side of each plan
And lowered while contacting the outer surface of the inner rod, in shutter so as to shield the chamber or opening at this shielding curtain, the guide rod into the groove-shaped longitudinal internal member corresponding to the upper portion of each guide rod
A support for preventing inward displacement is provided, and a support for the support is provided.
The screen covers the position inside the center of the top of each guide rod.
Support from the outside of the bag, and turn each guide rod inward
When the force is applied, the force is received by the support
A fireproof or smokeproof fireproof shutter characterized by preventing the inward displacement of the upper part of the guide rod .
え具が一対の転子で構成されていることを特徴とする請
求項２記載の防火又は防煙防火シャッター。3. The fire prevention or smoke prevention fire prevention according to claim 2, wherein the support member for preventing the upper portion of the guide rod from being displaced inward is constituted by a pair of trochanters. shutter.
シャフトが設けられ、遮蔽幕の上側の部分が巻取シャフ
トに取付けられ、遮蔽幕が非遮蔽時に巻取シャフトに巻
き付けられ、遮蔽幕の下側の部分に重錘が設けられ、室
又は開口部の左側及び右側の部分にそれぞれ案内装置が
取付けられ、遮蔽幕の左側及び右側の端縁よりの部分が
左側及び右側の案内装置の溝形縦部材内に通され、検出
装置が煙や火炎を検出したとき等の必要時に、前記重錘
に作用する重力により遮蔽幕を巻取シャフトから解舒し
て降下させ、この遮蔽幕にて室又は開口部を遮蔽するよ
うにしたシャッターにおいて、遮蔽幕の下側の端縁に沿
って小さい袋状部が形成され、小さい袋状部の外側に大
きい袋状部が形成され、小さい袋状部内に重錘が挿入さ
れ、遮蔽時の遮蔽幕の下部と床との間からの煙や炎の漏
出を防止できるようにしたことを特徴とする防火又は防
煙防火シャッター。4. Winding on a ceiling of a room of a building or an upper end of an opening or the like.
A shaft is provided, and the upper part of the shielding curtain is
On the take-up shaft when the shield curtain is not shielded.
Weight is provided on the lower part of the shielding curtain,
Or guide devices on the left and right sides of the opening respectively
Attached, the part from the left and right edges of the shielding curtain
Detected by passing through the grooved vertical members of the left and right guides
When necessary, such as when the device detects smoke or flame, the weight
Screen is unwound from the winding shaft by gravity acting on the
To lower the room or opening with this screen.
In the folded shutter, a small bag-shaped portion is formed along the lower edge of the shielding curtain, a large bag-shaped portion is formed outside the small bag-shaped portion, and a weight is inserted into the small bag-shaped portion , Leakage of smoke or flame from between the bottom of the screen and the floor when shielding
Fire protection or smoke fire shutter, characterized in that to be able to prevent the exit.
スで構成され、該耐火クロースがシリカクロース、アル
ミナクロース及びセラミッククロースの耐熱性無機繊維
布をシリコン樹脂、クロロスルホン化ポリエチレン、塩
化ビニリデン等のコーティング剤にて処理して通気性を
なくした不燃性布であることを特徴とする請求項４記載
の防火又は防煙防火シャッター。5. The shield curtain and the lower bag-like portion are fireproof claws.
Scan it consists of, the refractory Claus silica Claus alumina Claus and ceramic Claus heat-resistant inorganic fiber cloth silicone resin, chlorosulfonated polyethylene, nonflammable lost treated with breathable at coating vinylidene chloride The fireproof or smokeproof fireproof shutter according to claim 4, wherein the shutter is a cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08035518A JP3104011B2 (en) | 1996-01-30 | 1996-01-30 | Fireproof or smokeproof fireproof shutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08035518A JP3104011B2 (en) | 1996-01-30 | 1996-01-30 | Fireproof or smokeproof fireproof shutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09203281A JPH09203281A (en) | 1997-08-05 |
| JP3104011B2 true JP3104011B2 (en) | 2000-10-30 |
Family
ID=12443985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP08035518A Expired - Fee Related JP3104011B2 (en) | 1996-01-30 | 1996-01-30 | Fireproof or smokeproof fireproof shutter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3104011B2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010529337A (en) * | 2007-06-13 | 2010-08-26 | ダイナコ・インターナショナル・ソシエテ・アノニム | Device with shutter and element for reinserting the shutter into the guide slide |
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Also Published As
| Publication number | Publication date |
|---|---|
| JPH09203281A (en) | 1997-08-05 |
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