JPH01135278U - - Google Patents
Info
- Publication number
- JPH01135278U JPH01135278U JP3150388U JP3150388U JPH01135278U JP H01135278 U JPH01135278 U JP H01135278U JP 3150388 U JP3150388 U JP 3150388U JP 3150388 U JP3150388 U JP 3150388U JP H01135278 U JPH01135278 U JP H01135278U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- valve
- piston
- chamber
- main body
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fluid-Driven Valves (AREA)
Description
第１図は本考案の一実施例の要部構成説明図、
第２図は従来より一般に使用されている従来例の
構成説明図である。
１……管路、３１……開閉弁本体、３２……ピ
ストンシヤフト、３３……ピストン、３４……シ
リンダー、３５……第一室、３６……第二室、３
７……スプリング、４１……第一パイプ、４２…
…第二パイプ、４３……第三パイプ、５……電磁
弁。
FIG. 1 is an explanatory diagram of the main part of an embodiment of the present invention.
FIG. 2 is a diagram illustrating the configuration of a conventional example that has been commonly used. DESCRIPTION OF SYMBOLS 1...Pipeline, 31...Opening/closing valve body, 32...Piston shaft, 33...Piston, 34...Cylinder, 35...First chamber, 36...Second chamber, 3
7... Spring, 41... First pipe, 42...
...Second pipe, 43...Third pipe, 5...Solenoid valve.
Claims (1)
て、 管路に設けられ該管路を開閉する開閉弁本体と
、該開閉弁本体に一端が取付けられたピストンシ
ヤフトと、該ピストンシヤフトの他端に取付けら
れたピストンと、該ピストンが摺動するシリンダ
ーと、該シリンダーと前記ピストンによつて構成
される前記開閉弁本体側の第一室と前記開閉弁本
体と反対側の第二室と、該第二室に設けられ前記
ピストンを押圧するスプリングと、前記開閉弁本
体の上流側の管路に一端が接続された第一パイプ
と、前記開閉弁本体の下流側の管路に一端が接続
された第二パイプと、前記第一室に一端が接続さ
れた第三パイプと、前記ピストンを前記開閉弁本
体側に押圧する場合に前記第一パイプと前記第三
パイプとを連通し前記ピストンを前記開閉弁本体
側と反対側に押圧する場合に前記第二パイプと前
記第三パイプとを連通する電磁弁とを具備してな
る自力形開閉弁。[Claim for Utility Model Registration] An on-off valve that opens and closes a pipe through which a measuring fluid flows, comprising: an on-off valve body that is installed in the pipe and opens and closes the pipe; a piston shaft that has one end attached to the on-off valve body; , a piston attached to the other end of the piston shaft, a cylinder on which the piston slides, a first chamber on the on-off valve main body side constituted by the cylinder and the piston, and a first chamber opposite to the on-off valve main body. a second chamber on the side; a spring provided in the second chamber to press the piston; a first pipe having one end connected to a conduit on the upstream side of the on-off valve main body; and a first pipe on the downstream side of the on-off valve main body. a second pipe having one end connected to the conduit, a third pipe having one end connected to the first chamber, and when pressing the piston toward the on-off valve body side, the first pipe and the third pipe A self-acting on-off valve comprising: a solenoid valve that communicates with the second pipe and the third pipe when the piston is pressed in a direction opposite to the on-off valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3150388U JPH01135278U (en) | 1988-03-09 | 1988-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3150388U JPH01135278U (en) | 1988-03-09 | 1988-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01135278U true JPH01135278U (en) | 1989-09-14 |
Family
ID=31257401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3150388U Pending JPH01135278U (en) | 1988-03-09 | 1988-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01135278U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54137727A (en) * | 1978-04-18 | 1979-10-25 | Sadamu Kamigaki | Valve switching device |
-
1988
- 1988-03-09 JP JP3150388U patent/JPH01135278U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54137727A (en) * | 1978-04-18 | 1979-10-25 | Sadamu Kamigaki | Valve switching device |
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