JPS6134044U - fire damper - Google Patents
fire damperInfo
- Publication number
- JPS6134044U JPS6134044U JP11861484U JP11861484U JPS6134044U JP S6134044 U JPS6134044 U JP S6134044U JP 11861484 U JP11861484 U JP 11861484U JP 11861484 U JP11861484 U JP 11861484U JP S6134044 U JPS6134044 U JP S6134044U
- Authority
- JP
- Japan
- Prior art keywords
- damper
- duct
- engaging
- holds
- open state
- 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.)
- Pending
Links
Landscapes
- Air-Flow Control Members (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案実施例の正面断面図、第２図は同側面断
面図、第３図は作動時の同正面断面図、第４図は実施例
の要部説明図。
１：通気ダクト、２：ダンパー、３：支持軸、４：遮へ
い板、５：保温カバー、６：スプリング、７−：レバー
、８：弾性体ミ９：形状記憶合金ニ（ＳＭＡコイル）、
ｂ：．突張片、Ｃ：係合片。FIG. 1 is a front sectional view of an embodiment of the present invention, FIG. 2 is a side sectional view of the same, FIG. 3 is a front sectional view of the same during operation, and FIG. 4 is an explanatory diagram of the main parts of the embodiment. 1: Ventilation duct, 2: Damper, 3: Support shaft, 4: Shielding plate, 5: Heat insulation cover, 6: Spring, 7-: Lever, 8: Elastic body 9: Shape memory alloy (SMA coil),
b:. Protrusion piece, C: Engagement piece.
Claims (1)
に該ダンパーを閉成方向に付勢する弾性部材を設け、こ
のダンパーに弾性力を以って係合することで該ダンパー
を開成秩態に保持する弾性体を設けると共に特定温度域
において上記弾性体とグンパーとの係合を解除する形状
記憶合金部材を設けた防火タ−ンパーにおいて、 上記弾性体を、ダンパー端部に係合することでダクトを
開成状態ｉこ保持ずる係合片と、との係合部に連接され
ると共にダン・・一とτ，クトとの！に架設される突張
片と、から構成したことを特徴とする防火ダンパー。 、[Claims for Utility Model Registration] A damper for opening and closing the duct is provided in the duct, and an elastic member is provided for biasing the damper in the closing direction, and the damper is engaged with the damper with elastic force. A fire prevention turnper is provided with an elastic body that holds the damper in an open state, and a shape memory alloy member that releases the engagement between the elastic body and the damper in a specific temperature range. An engaging piece that holds the duct in the open state by engaging with the end part is connected to the engaging part of the duct, and is connected to the engaging part of the duct and the duct. A fire damper characterized in that it is comprised of a tension piece installed in the. ,
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11861484U JPS6134044U (en) | 1984-07-30 | 1984-07-30 | fire damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11861484U JPS6134044U (en) | 1984-07-30 | 1984-07-30 | fire damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6134044U true JPS6134044U (en) | 1986-03-01 |
Family
ID=30677499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11861484U Pending JPS6134044U (en) | 1984-07-30 | 1984-07-30 | fire damper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6134044U (en) |
-
1984
- 1984-07-30 JP JP11861484U patent/JPS6134044U/en active Pending
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