JPH0241777U - - Google Patents
Info
- Publication number
- JPH0241777U JPH0241777U JP12121388U JP12121388U JPH0241777U JP H0241777 U JPH0241777 U JP H0241777U JP 12121388 U JP12121388 U JP 12121388U JP 12121388 U JP12121388 U JP 12121388U JP H0241777 U JPH0241777 U JP H0241777U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic pressure
- sliding hole
- valve
- piston
- piston sliding
- 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 1
Landscapes
- Magnetically Actuated Valves (AREA)
Description
図面は本考案一実施例の圧力制御弁を示す断面
図である。
１……バルブボデイ、４……バルブスプール、
５ａ……第１ソレノイド、５ｂ……第２ソレノイ
ド、１１……バルブ穴、１１ａ……第１出力ポー
ト、１１ｂ……第２出力ポート、６１ａ……第１
フイードバツク回路（液圧経路）、６１ｂ……第
２フイードバツク回路（液圧経路）、６３ａ……
第１ピストン摺動孔、６３ｂ……第２ピストン摺
動孔、６４ａ……第１パイロツトピストン、６４
ｂ……第２パイロツトピストン、６６ａ……第１
出力側連通路（液圧経路）、６６ｂ……第２出力
側連通路（液圧経路）、６７ａ……第１ドレーン
側連通路（減圧用連通路）、６７ｂ……第２ドレ
ーン側連通路（減圧用連通路）、６８ａ……第１
出力側オリフイス、６８ｂ……第２出力側オリフ
イス、６９ａ……第１ドレーン側オリフイス、６
９ｂ……第２ドレーン側オリフイス。
The drawing is a sectional view showing a pressure control valve according to an embodiment of the present invention. 1... Valve body, 4... Valve spool,
5a...first solenoid, 5b...second solenoid, 11...valve hole, 11a...first output port, 11b...second output port, 61a...first
Feedback circuit (hydraulic pressure path), 61b...Second feedback circuit (hydraulic pressure path), 63a...
First piston sliding hole, 63b... Second piston sliding hole, 64a... First pilot piston, 64
b...Second pilot piston, 66a...First
Output side communication path (hydraulic pressure path), 66b... Second output side communication path (hydraulic pressure path), 67a... First drain side communication path (pressure reduction communication path), 67b... Second drain side communication path (Communication path for depressurization), 68a...first
Output side orifice, 68b...Second output side orifice, 69a...First drain side orifice, 6
9b...Second drain side orifice.
Claims (1)
に内蔵され、出力ポートの液圧を制御可能に形成
されたバルブスプールと、 該バルブスプールの端部に穿設され、出力ポー
トのフイードバツク液圧が導かれるピストン摺動
孔と、 該ピストン摺動孔にフイードバツク液圧を受圧
して摺動可能に設けられたパイロツトピストンと
、 前記バルブスプールを、パイロツトピストンを
介して押圧するソレノイドと、 前記出力ポートからピストン摺動孔へのフイー
ドバツク液圧経路の途中に設けられた出力側オリ
フイスと、 該出力側オリフイスよりもピストン摺動孔側の
フイードバツク液圧経路とドレーンポートを連通
する液圧用連通路と、 該減圧用連通路に設けられたドレーン側オリフ
イスと、 を備えていることを特徴とする圧力制御弁。[Scope of Claim for Utility Model Registration] A valve spool that is slidably built into a valve hole bored in a valve body and formed to be able to control the hydraulic pressure of an output port; , a piston sliding hole through which the feedback hydraulic pressure of the output port is guided; a pilot piston that is slidably provided in the piston sliding hole in response to the feedback hydraulic pressure; and the valve spool is guided through the pilot piston. A solenoid to be pressed, an output side orifice provided in the middle of a feedback hydraulic pressure path from the output port to the piston sliding hole, and a feedback hydraulic pressure path and a drain port located on the side of the piston sliding hole from the output side orifice. A pressure control valve comprising: a fluid pressure communication path that communicates; and a drain side orifice provided in the pressure reduction communication path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12121388U JPH0544624Y2 (en) | 1988-09-16 | 1988-09-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12121388U JPH0544624Y2 (en) | 1988-09-16 | 1988-09-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0241777U true JPH0241777U (en) | 1990-03-22 |
| JPH0544624Y2 JPH0544624Y2 (en) | 1993-11-12 |
Family
ID=31368016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12121388U Expired - Lifetime JPH0544624Y2 (en) | 1988-09-16 | 1988-09-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0544624Y2 (en) |
-
1988
- 1988-09-16 JP JP12121388U patent/JPH0544624Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0544624Y2 (en) | 1993-11-12 |
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