JPS629774U - - Google Patents
Info
- Publication number
- JPS629774U JPS629774U JP10047985U JP10047985U JPS629774U JP S629774 U JPS629774 U JP S629774U JP 10047985 U JP10047985 U JP 10047985U JP 10047985 U JP10047985 U JP 10047985U JP S629774 U JPS629774 U JP S629774U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- casing
- air
- flow path
- biasing force
- 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
- 239000012530 fluid Substances 0.000 claims 3
- 230000002159 abnormal effect Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 1
Landscapes
- Lift Valve (AREA)
- Fluid-Driven Valves (AREA)
Description
図面は本考案の実施例を示すもので、第１図は
常開空気作動弁に用いた場合の断面図、第２図は
常閉空気作動弁に用いた場合の断面図である。
１……ケーシング、４……注入口、５……ピス
トン、６，７……シール部、８……形成間隔、１
１……制御通路、１３……装置本体、２０……流
通路、１８……ロツクリング、２３……弁部。
The drawings show an embodiment of the present invention; FIG. 1 is a sectional view when the invention is used in a normally open air-operated valve, and FIG. 2 is a sectional view when it is used in a normally-closed air-operated valve. DESCRIPTION OF SYMBOLS 1... Casing, 4... Inlet, 5... Piston, 6, 7... Seal part, 8... Formation interval, 1
DESCRIPTION OF SYMBOLS 1...Control passage, 13...Device body, 20...Flow passage, 18...Lock ring, 23...Valve part.
Claims (1)
より、ピストンに設けた弁部で、流体の流通路を
常時開放または常時閉止とするとともに流体の異
常圧を感知して、空気圧を付勢力に抗してピスト
ンに加へることにより、流体の流通路を常時開放
から閉止状態または常時閉止から開放状態とする
ものに於て、ピストンを摺動自在に装着したケー
シングを、有底の筒状に一体成型し、このケーシ
ングの軸方向側面に、ピストンの進退を制御する
制御空気の注入口を形成するとともに装置本体と
ケーシングとを、ロツクリングにて回転自在に接
続したことを特徴とする空気作動弁。 (2) ケーシング内に装着したピストン外周には
、ケーシングの内周面に気密的に接触するシール
部を、一定の形成間隔を介して複数個形成し、こ
の形成間隔に一端の制御空気の注入口を開口する
とともに他端をピストンの一面に貫通開口する制
御通路を、ピストンに形成したものであることを
特徴とする実用新案登録請求の範囲第１項記載の
空気作動弁。[Claims for Utility Model Registration] (1) A valve part provided on the piston uses the biasing force of the piston in a certain direction to always open or close the fluid flow path, and also to prevent abnormal pressure of the fluid. A piston is slidably mounted in a device that changes a fluid flow path from a normally open state to a closed state or from a normally closed state to an open state by sensing and applying air pressure to the piston against a biasing force. The casing is integrally molded into a cylindrical shape with a bottom, and a control air inlet for controlling the forward and backward movement of the piston is formed on the axial side of the casing, and the device body and the casing can be freely rotated with a lock ring. An air-operated valve characterized by a connection. (2) On the outer periphery of the piston installed in the casing, a plurality of seals are formed at regular intervals to make airtight contact with the inner circumferential surface of the casing, and control air is injected at one end into these intervals. 2. The air-operated valve according to claim 1, wherein the piston is provided with a control passage having an inlet opening and the other end passing through and opening on one surface of the piston.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10047985U JPH0342292Y2 (en) | 1985-07-03 | 1985-07-03 | |
| CA 500571 CA1276133C (en) | 1985-03-29 | 1986-01-29 | Pneumatically operated valve |
| US06/824,905 US4712576A (en) | 1985-03-29 | 1986-01-31 | Pneumatically operated valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10047985U JPH0342292Y2 (en) | 1985-07-03 | 1985-07-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS629774U true JPS629774U (en) | 1987-01-21 |
| JPH0342292Y2 JPH0342292Y2 (en) | 1991-09-04 |
Family
ID=30970342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10047985U Expired JPH0342292Y2 (en) | 1985-03-29 | 1985-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0342292Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004092824A (en) | 2002-09-02 | 2004-03-25 | Fujikin Inc | Fluid controller |
| JP5973197B2 (en) * | 2012-03-23 | 2016-08-23 | 旭有機材株式会社 | Piston-type working fluid pressure actuator and control valve |
-
1985
- 1985-07-03 JP JP10047985U patent/JPH0342292Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0342292Y2 (en) | 1991-09-04 |
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