JPS63153052U - - Google Patents
Info
- Publication number
- JPS63153052U JPS63153052U JP4429987U JP4429987U JPS63153052U JP S63153052 U JPS63153052 U JP S63153052U JP 4429987 U JP4429987 U JP 4429987U JP 4429987 U JP4429987 U JP 4429987U JP S63153052 U JPS63153052 U JP S63153052U
- Authority
- JP
- Japan
- Prior art keywords
- damper
- duct
- damper device
- closing means
- prevention
- 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.)
- Granted
Links
- 230000002265 prevention Effects 0.000 claims description 9
- 230000006378 damage Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Landscapes
- Air-Flow Control Members (AREA)
Description
第１図は、この考案の第１実施例である陽圧用
ダンパ装置の図で、同図は縦断面図、同図は
縮小平面図、第２図は、同じく第２実施例である
陽圧用ダンパ装置の図で、同図は縦断面図、同
図は、ばね保持材とダンパとの接続手段を示す
拡大断面図、第３図は、同じく第３実施例である
陰圧用ダンパ装置の縦断面図、第４図は、同じく
第４実施例の第３図相当図、第５図は、同じく第
５実施例の陰圧陽圧兼用ダンパ装置の縦断面図、
第６図は、同じく動作説明用の概略縦断面図で、
同図は、陰圧時の状態を示す図、同図は、陽
圧時の状態を示す図、第７図は、従来の陽圧用空
調システムの概略構成図、第８図は、従来の陰圧
用の排気システムの概略構成図である。
Ｋ……防火区画、Ａ……外気、Ｄ……ダクト、
Ｄｓ……給気ダクト、Ｄｅ……排気ダクト、ＦＤ
……防火ダンパ、１，３１……ダクト破壊防止ダ
ンパ装置、２１，４１……ダクト破壊防止ダンパ
装置、５１……ダクト破壊防止ダンパ装置、２，
５２……筐体、２４……ダンパ閉鎖手段、５，２
５，５５……ダンパ、８，３８……重錘、２６…
…日の字形の支持板、２７……引張コイルばね、
５７，５７′……圧縮コイルばね、２８……リリ
ーフ圧調節具、５８，５８′……支持部材、６０
，６０′……ダンパ保持機構。
Fig. 1 is a diagram of a positive pressure damper device which is the first embodiment of this invention, the same figure is a longitudinal sectional view, the same figure is a reduced plan view, and Fig. 2 is a positive pressure damper device which is also a second embodiment. The figure is a longitudinal sectional view of the damper device, the same figure is an enlarged sectional view showing the connection means between the spring holding material and the damper, and FIG. 3 is a longitudinal sectional view of the negative pressure damper device, which is also a third embodiment. 4 is a view corresponding to FIG. 3 of the fourth embodiment, and FIG. 5 is a vertical cross-sectional view of the negative pressure and positive pressure damper device of the fifth embodiment.
FIG. 6 is a schematic longitudinal sectional view for explaining the operation,
The same figure shows the state at negative pressure, the same figure shows the state at positive pressure, FIG. 7 is a schematic configuration diagram of a conventional positive pressure air conditioning system, and FIG. 8 shows a conventional negative pressure air conditioning system. FIG. 2 is a schematic configuration diagram of a pressure exhaust system. K...Fire protection compartment, A...Outside air, D...Duct,
Ds ...Air supply duct, De ...Exhaust duct, FD
... Fire prevention damper, 1, 31 ... Duct destruction prevention damper device, 21, 41 ... Duct destruction prevention damper device, 51 ... Duct destruction prevention damper device, 2,
52... Housing, 24... Damper closing means, 5, 2
5, 55... damper, 8, 38... weight, 26...
...Ja-shaped support plate, 27...Tension coil spring,
57, 57'... Compression coil spring, 28... Relief pressure adjuster, 58, 58'... Support member, 60
, 60'... damper holding mechanism.
Claims (1)
ダンパ近くの外周面に装着し、該ダクト内と外気
との圧力差が所定値を超過するとき開放するよう
にダンパと該ダンパの閉鎖手段により、閉鎖状態
を維持していることを特徴としたダクト破壊防止
ダンパ装置。 (2) 前記閉鎖手段は、ダンパの固定位置調節可
能に取り付けた重錘であることを特徴とした実用
新案登録請求の範囲第１項記載のダクト破壊防止
ダンパ装置。 (3) 前記閉鎖手段は、ダンパ装置の筐体に取り
付け支持部材とダンパとの間に設けた弾力調節可
能な弾性体であることを特徴とした実用新案登録
請求の範囲第１項記載のダクト破壊防止ダンパ装
置。[Scope of claim for utility model registration] (1) Installed on the outer circumferential surface of a duct penetrating the fire prevention division of a building near a fire prevention damper, and opened when the pressure difference between the inside of the duct and the outside air exceeds a predetermined value. A duct breakage prevention damper device characterized in that a closed state is maintained by a damper and a closing means for the damper. (2) The duct destruction prevention damper device according to claim 1, wherein the closing means is a weight attached to the damper such that the fixed position of the damper can be adjusted. (3) The duct according to claim 1, wherein the closing means is an elastic body whose elasticity can be adjusted and is provided between the damper and the supporting member attached to the housing of the damper device. Destruction prevention damper device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4429987U JPH0531478Y2 (en) | 1987-03-27 | 1987-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4429987U JPH0531478Y2 (en) | 1987-03-27 | 1987-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63153052U true JPS63153052U (en) | 1988-10-07 |
| JPH0531478Y2 JPH0531478Y2 (en) | 1993-08-12 |
Family
ID=30861977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4429987U Expired - Lifetime JPH0531478Y2 (en) | 1987-03-27 | 1987-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0531478Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002130791A (en) * | 2000-10-27 | 2002-05-09 | Hitachi Plant Eng & Constr Co Ltd | Positive pressure/negative pressure-corresponding differential pressure adjusting damper |
| JP2014092802A (en) * | 2012-10-31 | 2014-05-19 | Ntt Facilities Inc | Computer room air conditioning system |
-
1987
- 1987-03-27 JP JP4429987U patent/JPH0531478Y2/ja not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002130791A (en) * | 2000-10-27 | 2002-05-09 | Hitachi Plant Eng & Constr Co Ltd | Positive pressure/negative pressure-corresponding differential pressure adjusting damper |
| JP2014092802A (en) * | 2012-10-31 | 2014-05-19 | Ntt Facilities Inc | Computer room air conditioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0531478Y2 (en) | 1993-08-12 |
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