JPH0287180U - - Google Patents
Info
- Publication number
- JPH0287180U JPH0287180U JP16577188U JP16577188U JPH0287180U JP H0287180 U JPH0287180 U JP H0287180U JP 16577188 U JP16577188 U JP 16577188U JP 16577188 U JP16577188 U JP 16577188U JP H0287180 U JPH0287180 U JP H0287180U
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- valve
- flow path
- drive unit
- movable wall
- 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 2
Description
第１図は本考案による一実施例の開閉バルブの
断面図、第２図は上記開閉バルブの開成動作を示
す断面図、第３図は従来の開閉バルブの断面図、
第４図は従来の開閉バルブの開成動作を示す断面
図である。
〔符号の説明〕、１……ハウジング、２……流
路、２Ａ，２Ｂ……ポート、３……開閉口、４…
…弁体、５……摺動案内部材、６……ピストンロ
ツド、７……Ｏリング、８……凹部、９……シリ
ンダ、１０……ピストン、１１，１２……凹部、
１３……コイルばね、１１……空気室、１５……
空気流入口、１６……ばね室、１７……空気孔、
１８……ダイヤフラム、１９……ベローズ、２０
……段部、２１……嵌合部。
FIG. 1 is a sectional view of an on-off valve according to an embodiment of the present invention, FIG. 2 is a sectional view showing the opening and closing operation of the on-off valve, and FIG. 3 is a sectional view of a conventional on-off valve.
FIG. 4 is a sectional view showing the opening and closing operation of a conventional on-off valve. [Explanation of symbols], 1...Housing, 2...Flow path, 2A, 2B...Port, 3...Opening/closing port, 4...
... Valve body, 5 ... Sliding guide member, 6 ... Piston rod, 7 ... O ring, 8 ... Recess, 9 ... Cylinder, 10 ... Piston, 11, 12 ... Recess,
13...Coil spring, 11...Air chamber, 15...
Air inlet, 16... Spring chamber, 17... Air hole,
18...Diaphragm, 19...Bellows, 20
...Stepped portion, 21... Fitting portion.
Claims (1)
け、このピストンを作動流体圧によつて駆動する
ことで、被制御流体が流れるバルブ内の流路を上
記弁体により開閉制御するとともに、弁体駆動部
側と上記流路とを可撓性可動壁で分離した開閉バ
ルブにおいて、上記弁体駆動部側と上記流路とを
二重の可撓性可動壁で分離したことを特徴とする
開閉バルブ。 A valve body is attached to a piston housed in a cylinder, and by driving this piston with working fluid pressure, the flow path in the valve through which the controlled fluid flows is controlled by the valve body, and the valve body drive unit 1. An on-off valve in which a flexible movable wall separates a side of the valve body and the flow path, the on-off valve comprising a double flexible movable wall that separates the valve body drive unit side and the flow path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16577188U JPH0287180U (en) | 1988-12-23 | 1988-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16577188U JPH0287180U (en) | 1988-12-23 | 1988-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0287180U true JPH0287180U (en) | 1990-07-10 |
Family
ID=31452560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16577188U Pending JPH0287180U (en) | 1988-12-23 | 1988-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0287180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007239896A (en) * | 2006-03-09 | 2007-09-20 | Koganei Corp | Diaphragm valve |
-
1988
- 1988-12-23 JP JP16577188U patent/JPH0287180U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007239896A (en) * | 2006-03-09 | 2007-09-20 | Koganei Corp | Diaphragm valve |
| JP4699246B2 (en) * | 2006-03-09 | 2011-06-08 | 株式会社コガネイ | Diaphragm valve |