JPS61200535U - - Google Patents
Info
- Publication number
- JPS61200535U JPS61200535U JP8356985U JP8356985U JPS61200535U JP S61200535 U JPS61200535 U JP S61200535U JP 8356985 U JP8356985 U JP 8356985U JP 8356985 U JP8356985 U JP 8356985U JP S61200535 U JPS61200535 U JP S61200535U
- Authority
- JP
- Japan
- Prior art keywords
- damper
- support plate
- ventilation fan
- overlaps
- air passage
- 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
- 238000009423 ventilation Methods 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims 2
- 230000005489 elastic deformation Effects 0.000 claims 1
- 239000013013 elastic material Substances 0.000 claims 1
Landscapes
- Air-Flow Control Members (AREA)
Description
第１図はこの考案の一実施例を示す開放状態の
断面図、第２図はその閉止状態の断面図、第３図
はダンパーの斜視図、第４図は従来の防火ダンパ
ーを示す開放状態の断面図、第５図はその閉止状
態の断面図である。
各図中、同一符号は同一または相当部分を示し
、１はウエザーカバー、２は通風路、３はダンパ
ー、６は支え板、８は温度ヒユーズ、９は凹部、
１０は金網である。
Fig. 1 is a sectional view of an embodiment of this invention in an open state, Fig. 2 is a sectional view of its closed state, Fig. 3 is a perspective view of the damper, and Fig. 4 is a conventional fire damper in an open state. FIG. 5 is a sectional view of the closed state. In each figure, the same reference numerals indicate the same or equivalent parts, 1 is a weather cover, 2 is a ventilation passage, 3 is a damper, 6 is a support plate, 8 is a temperature fuse, 9 is a recess,
10 is a wire mesh.
Claims (1)
と、このウエザーカバー内に前記通風路を開閉で
きるように下部を軸支されたダンパーと、このダ
ンパーの開放状態において弾性変形によりダンパ
ーを温度ヒユーズに係合し、かつ閉止状態におい
てダンパーに重合する不燃性弾性体からなる支え
板と、閉止時に重合する支え板を収納するように
ダンパーに設けられた凹部とを備えたことを特徴
とする換気扇用防火ダンパー。 (2) 支え板が板ばねであることを特徴とする実
用新案登録請求の範囲第(1)項記載の換気扇用防
火ダンパー。 (3) 凹部が絞り加工部であることを特徴とする
実用新案登録請求の範囲第(1)項または第(2)項記
載の換気扇用防火ダンパー。[Claims for Utility Model Registration] (1) A weather cover that forms an air passage for a ventilation fan, a damper whose lower part is pivoted within the weather cover so that the air passage can be opened and closed, and when the damper is in an open state. The damper includes a support plate made of a non-combustible elastic material that engages the damper with the temperature fuse through elastic deformation and overlaps with the damper in the closed state, and a recess provided in the damper to accommodate the support plate that overlaps in the closed state. A fire damper for ventilation fans characterized by: (2) The fire prevention damper for a ventilation fan according to claim (1) of the utility model registration, characterized in that the support plate is a leaf spring. (3) The fire prevention damper for a ventilation fan according to claim 1 or 2, wherein the recessed portion is a drawn portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8356985U JPS61200535U (en) | 1985-06-03 | 1985-06-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8356985U JPS61200535U (en) | 1985-06-03 | 1985-06-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61200535U true JPS61200535U (en) | 1986-12-16 |
Family
ID=30632317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8356985U Pending JPS61200535U (en) | 1985-06-03 | 1985-06-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61200535U (en) |
-
1985
- 1985-06-03 JP JP8356985U patent/JPS61200535U/ja active Pending
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