JPH0737630Y2 - Smoke vent opening device - Google Patents

Smoke vent opening device

Info

Publication number
JPH0737630Y2
JPH0737630Y2 JP1989052572U JP5257289U JPH0737630Y2 JP H0737630 Y2 JPH0737630 Y2 JP H0737630Y2 JP 1989052572 U JP1989052572 U JP 1989052572U JP 5257289 U JP5257289 U JP 5257289U JP H0737630 Y2 JPH0737630 Y2 JP H0737630Y2
Authority
JP
Japan
Prior art keywords
smoke exhaust
smoke
door
guide rail
flue
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
Application number
JP1989052572U
Other languages
Japanese (ja)
Other versions
JPH02143959U (en
Inventor
正武 四方
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujita Corp
Original Assignee
Fujita Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujita Corp filed Critical Fujita Corp
Priority to JP1989052572U priority Critical patent/JPH0737630Y2/en
Publication of JPH02143959U publication Critical patent/JPH02143959U/ja
Application granted granted Critical
Publication of JPH0737630Y2 publication Critical patent/JPH0737630Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【考案の詳細な説明】 (産業上の利用分野) 本考案は建物の火災によって発生した煙を強制的に排気
する排煙装置における排煙口の開放装置に係るものであ
る。
DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a device for opening a smoke exhaust port in a smoke exhaust device for forcibly exhausting smoke generated by a fire in a building.

(従来の技術) 従来この種の排煙装置における排煙口の開放装置とし
て、第6図に示すように、建物の煙道(a)における内
壁(b)に設けられた排煙口(c)に、排煙扉(d)を
上端水平軸を中心として室内側に回動自在に装架した突
出L型排煙扉、第7図に示すように排煙口(c)に排煙
扉(d)の下端縁を室内側に回動自在に装架した外倒し
型排煙扉、第8図に示すように排煙口(c)側枠(e)
に上端部を上下方向に摺動自在に装架された滑り出し型
排煙扉、第9図及び第11図に示すように排煙口(c)に
配設した軌条(f)上に横方向に排煙扉(d)を移動自
在に装架した引き戸型排煙扉、第10図に示すように、排
煙口(c)の両側部の中央部に水平軸まわりに回動自在
なように枢支された回転型排煙扉(d)が提案されてい
る。
(Prior Art) As a conventional device for opening a smoke exhaust port of this type of smoke exhaust device, as shown in FIG. 6, a smoke exhaust port (c) provided on an inner wall (b) of a flue (a) of a building. ) Is a protruding L-shaped smoke exhaust door in which the smoke exhaust door (d) is rotatably mounted on the indoor side about the upper horizontal axis, and the smoke exhaust door is attached to the smoke exhaust port (c) as shown in FIG. An outfall type smoke exhaust door having a lower end edge of (d) rotatably mounted in the room, a smoke exhaust port (c) side frame (e) as shown in FIG.
A sliding type smoke exhaust door whose upper end is vertically slidably mounted on the rail (f) arranged at the smoke exhaust port (c) as shown in FIGS. 9 and 11 in the lateral direction. A sliding door type smoke exhaust door in which the smoke exhaust door (d) is movably mounted, as shown in FIG. A revolving type smoke exhaust door (d) is proposed that is pivotally supported by the.

(考案が解決しようとする課題) 前記従来の排煙口の開放装置においては、排煙口の開口
率を100%に確保することが困難であり、外倒し型排煙
扉のように、同扉を排煙口に係止していたフツクを外す
ことによって、自重で排煙口を開口させるものもある
が、排煙扉の開口作用を確実なものとするためには、ば
ねや圧力ダンパーを使用し構造が複雑化する。
(Problems to be Solved by the Invention) In the conventional smoke exhaust opening device, it is difficult to secure an opening ratio of the smoke exhaust at 100%. There are some cases where the hooks that lock the door to the smoke exhaust opening are removed to open the smoke exhaust opening by its own weight, but in order to ensure the opening function of the smoke exhaust door, a spring or pressure damper is used. To complicate the structure.

また排煙口周辺のヒンジ取付部や引戸の壁面等の気密の
保持に難点がある。
Further, there is a problem in maintaining airtightness such as the hinge mounting portion around the smoke exhaust port and the wall surface of the sliding door.

本考案は前記従来技術の有する問題点に鑑みて提案され
たもので、排煙扉の開放機構が簡単で、開口率を大きく
とることができ、気密性が高い排煙口の開放装置を提供
する点にある。
The present invention has been proposed in view of the above problems of the prior art, and provides a smoke exhaust opening device having a simple smoke exhaust door opening mechanism, a large opening ratio, and high airtightness. There is a point to do.

(課題を解決するための手段) 前記の目的を達成するため、本考案に係る排煙口の開放
装置は、建物の火災によって発生した煙を強制的に排気
する排煙装置において、建物の煙道における内壁面に開
口された排煙口の下部に、前記煙道内に延び、且つ室内
側下方に指向して傾斜する傾斜ガイドレールを取付け、
前記排煙口に配設された排煙扉の下部より煙道側に、前
記傾斜ガイドレールに可摺動的に嵌挿され、且つ排煙扉
の下端から前記傾斜ガイドレールと相似断面形のスライ
ドレールを突設して構成されている。
(Means for Solving the Problems) In order to achieve the above-mentioned object, a smoke exhaust opening device according to the present invention is a smoke exhaust device for forcibly exhausting smoke generated by a fire of a building. An inclined guide rail that extends into the flue and is inclined downward toward the inside of the room is attached to the lower portion of the smoke exhaust port that is opened on the inner wall surface of the passage,
On the flue side of the lower part of the smoke exhaust door arranged at the smoke exhaust port, the slant guide rail is slidably fitted and is inserted from the lower end of the smoke exhaust door to have a similar cross-section to the slope guide rail. It is configured by protruding slide rails.

請求項2の考案によれば、前記排煙口には、煙感知器と
連動して同排煙口に前記排煙扉を錠止、解錠するように
構成された排煙扉錠止用電磁ラチェットを配設して排煙
口の開放装置を考案している。
According to the invention of claim 2, the smoke exhaust door is configured so that the smoke exhaust door is locked and unlocked at the smoke exhaust port by interlocking with a smoke sensor. We have devised a device to open the smoke exhaust port by disposing an electromagnetic ratchet.

(作用) 本考案は前記したように構成されているので、火災発生
時、前記煙道の内壁面に開口された排煙口を閉塞してい
た排煙扉は、排煙口下部に取付けられた前記煙道内に延
び、且つ室内側下方に指向して傾斜する傾斜ガイドレー
ルと、前記排煙扉の下部より煙道側に指向して延び、前
記傾斜ガイドレールに可摺動的に嵌挿された前記傾斜ガ
イドレールと相似断面形のスライドレールとを案内し
て、自重によって室内側に平行状態で滑り出し、前記開
口部を全面的に開放する。
(Operation) Since the present invention is configured as described above, when a fire occurs, the smoke exhaust door, which closes the smoke exhaust opening on the inner wall surface of the flue, is attached to the lower part of the smoke exhaust opening. And an inclined guide rail that extends into the flue and inclines downward toward the inside of the room, and extends toward the flue from a lower portion of the smoke exhaust door and slidably fits into the inclined guide rail. The slanted guide rail and the slide rail having a similar cross-section are guided to slide toward the inside of the room in parallel by their own weight, and the opening is completely opened.

請求項2の考案においては、火災の発生時、煙感知器が
煙を感知して同感知器と連動する前記電磁ラチエツトを
作動して排煙扉の排煙口に対する錠止を解除し、排煙扉
を自重によって開口部より滑り出させ、同開口部を開放
するものである。
According to the second aspect of the present invention, when a fire occurs, a smoke detector senses smoke and activates the electromagnetic ratchet that works with the detector to release the lock on the smoke outlet of the smoke exhaust door, The smoke door is slid out from the opening by its own weight, and the opening is opened.

(実施例) 以下本考案を図示の実施例について説明する。(Embodiment) The present invention will be described below with reference to the illustrated embodiment.

(1)は煙道、(2)は同煙道の内壁(3)に開口され
た排煙口である。
(1) is a flue, and (2) is a flue gas outlet opened in the inner wall (3) of the flue.

同排煙口(2)の下部両側には、煙道(1)内に延び、
且つ室内側下方に指向して傾角θで傾斜する 型断面の傾斜ガイドレール(4)が配設されている。
On both sides of the lower part of the smoke outlet (2), extending into the flue (1),
In addition, it is inclined toward the inside of the room with a tilt angle θ. An inclined guide rail (4) having a mold section is provided.

(5)は前記排煙口(2)に配設された垂直の排煙扉
で、同扉(5)の下端からは、前記傾斜ガイドレール
(4)に可摺動的に嵌挿された同ガイドレール(4)と
相似断面形のスライドレール(6)が突設されている。
図中、(7)は同スライドレール(6)に装架され、前
記ガイドレール(4)に沿って転動する車輪、(8)は
排煙扉(5)とスライドレール(6)とを連結するステ
ー、(9)は扉枠、(10)は排煙口(2)周囲のパツキ
ングである。
(5) is a vertical smoke exhaust door disposed at the smoke exhaust port (2), and slidably fitted into the inclined guide rail (4) from the lower end of the door (5). A slide rail (6) having a cross section similar to that of the guide rail (4) is provided in a protruding manner.
In the figure, (7) is a wheel mounted on the slide rail (6) and rolling along the guide rail (4), and (8) is a smoke exhaust door (5) and a slide rail (6). A stay to be connected, (9) is a door frame, and (10) is a packing around the smoke outlet (2).

更に前記排煙口(2)には、煙感知器(図示せず)に連
動する電磁チラエツト(11)が装架され、常時は排煙扉
(5)を排煙口(2)に錠止し、火災発生時、煙感知器
が煙を感知して前記電磁ラチエツト(11)を作動し、排
煙扉(5)の錠止を解錠するように構成されている。
Further, an electromagnetic chilleret (11) interlocking with a smoke detector (not shown) is mounted on the smoke exhaust port (2), and the smoke exhaust door (5) is normally locked to the smoke exhaust port (2). When a fire occurs, a smoke detector detects smoke and operates the electromagnetic ratchet (11) to unlock the smoke exhaust door (5).

図示の実施例は前記したように構成されているので、火
災の発生時、煙感知器の煙感知信号によって前記電磁ラ
チエツト(11)による排煙扉(5)の錠止が解放され、
同排煙扉(5)は自重によって、前記ガイドレール
(4)及びスライドレール(6)を案内として、直立状
態で室内側に滑り出し、前記排煙口(2)を完全に開口
し、室内の煙を同排煙口(2)を介して風道(1)より
建物外に排出する。
Since the illustrated embodiment is configured as described above, when a fire occurs, the smoke detection signal of the smoke detector releases the lock of the smoke exhaust door (5) by the electromagnetic ratchet (11),
The smoke exhaust door (5) slides toward the inside of the room in an upright state by its own weight using the guide rail (4) and the slide rail (6) as a guide to completely open the smoke exhaust port (2), Smoke is discharged to the outside of the building from the wind passage (1) through the smoke exhaust port (2).

なお前記ガイドレール(4)にはスライドレール(6)
に対するストツパーが設けられ、排煙扉(5)は滑り止
し時において、排煙口(2)からの所定の突出長Wの位
置で停止するように構成されている。
The guide rail (4) has a slide rail (6).
Is provided, and the smoke exhaust door (5) is configured to stop at a position of a predetermined protrusion length W from the smoke exhaust port (2) when it does not slip.

また試験作動時において、室内側に滑り出した排煙扉
(5)を元の位置に復帰させる場合は、手動によって同
排煙扉(5)を煙道側に押し込むと、前記電磁ラチエツ
ト(11)によって排煙口(2)に排煙扉(5)が錠止さ
れる。
Also, in the test operation, when the smoke exhaust door (5) that has slid out to the indoor side is returned to its original position, if the smoke exhaust door (5) is manually pushed into the smoke path side, the electromagnetic ratchet (11) The smoke exhaust door (5) is locked at the smoke exhaust port (2).

(考案の効果) 本考案によれば前記したように、煙道における内壁面に
開口された排煙口の下部に取付けた、前記煙道内に延
び、且つ室内側下方に指向して傾斜する傾斜ガイドレー
ルに、前記排煙口に配設された排煙扉の下部より煙道側
に突設されたスライドレールを可摺動的に嵌挿したこと
によって、前記排煙扉は自重によって前記ガイドレール
とスライドレールとを案内として自動的に室内側に移動
し、排煙口を開放するものであり、排煙扉の開放機構と
してのばね、ダンパー等の排煙扉作動部材を設ける必要
がなく、構造を簡略化し、確実な作動を保証しうるとと
もに、排煙口の有効開口率を100%確保できる。従って
それだけ排煙口の開口面積を小さくしたり、設置個所数
を縮小することができる。更に排煙口部分の構造が簡略
化されるため、気密装置も簡単ですみ、全体として製作
コストが節減され、保守維持費も少なくて済み、極めて
経済的である。
(Effects of the Invention) According to the present invention, as described above, the slope that is attached to the lower part of the smoke exhaust port that is opened on the inner wall surface of the flue and that extends into the flue and that is inclined downward toward the inside of the room By slidingly slidingly inserting a slide rail projecting from the lower part of the smoke exhaust door arranged at the smoke exhaust port to the flue side on the guide rail, the smoke exhaust door is guided by the guide rail by its own weight. The rails and slide rails are automatically guided to the indoor side to open the smoke exhaust port, and it is not necessary to provide a smoke exhaust door operating member such as a spring or a damper as the smoke exhaust door opening mechanism. , The structure can be simplified and reliable operation can be guaranteed, and the effective opening ratio of the smoke exhaust port can be secured at 100%. Therefore, the opening area of the smoke exhaust port can be reduced and the number of installation locations can be reduced. Furthermore, since the structure of the smoke exhaust port is simplified, the airtight device is simple, the manufacturing cost is reduced as a whole, the maintenance cost is low, and it is extremely economical.

請求項2の考案は、煙感知器と連動して前記排煙扉を排
煙口に錠止、解放するように構成された排煙扉錠止用電
磁ラチエツトを排煙口に配設したことによって、火災発
生時、自動的に前記排煙扉を作動して排煙口を開放しう
るものである。
According to a second aspect of the present invention, an electromagnetic ratchet for locking the smoke exhaust door, which is configured to lock and release the smoke exhaust door at the smoke exhaust opening in conjunction with the smoke detector, is provided at the smoke exhaust opening. Thus, when a fire occurs, the smoke exhaust door can be automatically operated to open the smoke exhaust port.

【図面の簡単な説明】[Brief description of drawings]

第1図は本考案に係る排煙口の開放装置の一実施例を示
す縦断側面図で、第2図の矢視I−I図、第2図はその
横断平面図で、第1図の矢視II-II図、第3図は排煙口
部分の正面図、第4図及び第5図は夫々傾斜ガイドレー
ルとスライドレールとの関係を示す側面図並に縦断面
図、第6図乃至第10図は夫々従来の排煙口の開放装置の
各例を示す縦断側面図、第11図は第9図の正面図であ
る。 (1)……煙道、(2)……排煙口、(3)……内壁、
(4)……傾斜ガイドレール、(6)……スライドレー
ル、(11)……電磁ラチエツト。
FIG. 1 is a longitudinal side view showing an embodiment of a smoke exhaust opening device according to the present invention. FIG. 2 is a sectional view taken along the line II of FIG. 2, and FIG. 2 is a transverse plan view thereof. View II-II, FIG. 3 is a front view of the smoke exhaust port portion, and FIGS. 4 and 5 are side views showing the relationship between the inclined guide rail and the slide rail, respectively, and a longitudinal sectional view and FIG. 10 to 10 are vertical side views showing respective examples of conventional smoke exhaust opening devices, and FIG. 11 is a front view of FIG. (1) …… Flue, (2) …… Smoke outlet, (3) …… Inner wall,
(4) …… Inclined guide rail, (6) …… Slide rail, (11) …… Electromagnetic ratchet.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】建物の火災によって発生した煙を強制的に
排気する排煙装置において、建物の煙道における内壁面
に開口された排煙口の下部に、前記煙道内に延び、且つ
室内側下方に指向して傾斜する傾斜ガイドレールを取付
け、前記排煙口に配設された排煙扉の下部より煙道側
に、前記傾斜ガイドレールに可摺動的に嵌挿され、且つ
排煙扉の下端から前記傾斜ガイドレールと相似断面形の
スライドレールを突設してなることを特徴とする排煙口
の開放装置。
1. A smoke exhaust device for forcibly exhausting smoke generated by a fire in a building, which extends into the flue at a lower part of a smoke exhaust opening formed in an inner wall surface of the flue of the building and has an indoor side. An inclined guide rail that inclines downward is attached, and the inclined guide rail is slidably fitted to the lower part of the smoke exhaust door arranged at the smoke outlet and closer to the flue side, and the smoke is exhausted. A device for opening a smoke outlet, comprising a slide rail projecting from the lower end of the door and having a cross-section similar to that of the inclined guide rail.
【請求項2】前記排煙口には、煙感知器と連動して同排
煙口に前記排煙扉を錠止、解錠するように構成された排
煙扉錠止用電磁ラチェットを配設してなる請求項1記載
の排煙口の開放装置。
2. A smoke exhaust door locking electromagnetic ratchet configured to lock and unlock the smoke exhaust door at the smoke exhaust port in association with a smoke detector. The smoke exhaust opening device according to claim 1, which is provided.
JP1989052572U 1989-05-09 1989-05-09 Smoke vent opening device Expired - Lifetime JPH0737630Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989052572U JPH0737630Y2 (en) 1989-05-09 1989-05-09 Smoke vent opening device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989052572U JPH0737630Y2 (en) 1989-05-09 1989-05-09 Smoke vent opening device

Publications (2)

Publication Number Publication Date
JPH02143959U JPH02143959U (en) 1990-12-06
JPH0737630Y2 true JPH0737630Y2 (en) 1995-08-30

Family

ID=31572985

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989052572U Expired - Lifetime JPH0737630Y2 (en) 1989-05-09 1989-05-09 Smoke vent opening device

Country Status (1)

Country Link
JP (1) JPH0737630Y2 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57162437U (en) * 1981-04-07 1982-10-13
JPS60202243A (en) * 1984-03-26 1985-10-12 Hochiki Corp Opening and closing device of damper device
JPS6328341Y2 (en) * 1984-10-17 1988-08-01

Also Published As

Publication number Publication date
JPH02143959U (en) 1990-12-06

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