JPS6449779U - - Google Patents
Info
- Publication number
- JPS6449779U JPS6449779U JP14584587U JP14584587U JPS6449779U JP S6449779 U JPS6449779 U JP S6449779U JP 14584587 U JP14584587 U JP 14584587U JP 14584587 U JP14584587 U JP 14584587U JP S6449779 U JPS6449779 U JP S6449779U
- Authority
- JP
- Japan
- Prior art keywords
- spring
- pressure
- hole
- valve
- chamber
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Magnetically Actuated Valves (AREA)
Description
図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、２……バルブスプール、
３……ソレノイド、５……オリフイスピストン、
６……圧力室、７……第１スプリング、８……第
２スプリング、１１……バルブ孔、１４……第２
背室（背室）。
The figure is a sectional view showing a pressure control valve according to an embodiment of the present invention. 1... Valve body, 2... Valve spool,
3... Solenoid, 5... Orifice piston,
6... Pressure chamber, 7... First spring, 8... Second spring, 11... Valve hole, 14... Second
Back chamber (back chamber).
Claims (1)
ノイドに押圧されるように設けられ、出力液圧を
制御するバルブスプールと、 前記バルブ孔の両端にバルブスプールの摺動を
許容すべく形成され、ドレン圧に保持される背室
と、 前記ソレノイドが設けられているのとは反対側
の端部からバルブスプールに軸方向に穿設された
圧力室用孔と、 該圧力室用孔に摺動可能に内装され、この圧力
室用孔の内周面とで圧力室を形成すると共に、こ
の圧力室と前記背室とを連通するオリフイス孔が
形成されたオリフイスピストンと、 前記背室内に設けられ、前記オリフイスピスト
ンをバルブボデイに対しピストン摺動方向に弾性
支持する第１スプリングと、 前記圧力室内に設けられ、前記バルブスプール
をオリフイスピストンに対しスプール摺動方向に
弾性支持する第２スプリングと、 を備え、前記第１スプリングが、第２スプリング
よりも高い所定のばね定数に設定されていること
を特徴とする圧力制御弁。[Scope of Claim for Utility Model Registration] A valve spool that is slidable in a valve hole of a valve body and is provided so as to be pressed by a solenoid to control output hydraulic pressure; a back chamber formed to accommodate and maintain a drain pressure; a pressure chamber hole drilled axially in the valve spool from an end opposite to that in which the solenoid is provided; an orifice piston that is slidably installed in the chamber hole, forms a pressure chamber with the inner peripheral surface of the pressure chamber hole, and has an orifice hole that communicates the pressure chamber with the back chamber; a first spring provided in the back chamber to elastically support the orifice piston in the piston sliding direction with respect to the valve body; and a first spring provided in the pressure chamber to elastically support the valve spool in the spool sliding direction with respect to the orifice piston. A pressure control valve comprising: a second spring, wherein the first spring is set to a predetermined spring constant higher than that of the second spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14584587U JPH0527752Y2 (en) | 1987-09-24 | 1987-09-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14584587U JPH0527752Y2 (en) | 1987-09-24 | 1987-09-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6449779U true JPS6449779U (en) | 1989-03-28 |
| JPH0527752Y2 JPH0527752Y2 (en) | 1993-07-15 |
Family
ID=31414791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14584587U Expired - Lifetime JPH0527752Y2 (en) | 1987-09-24 | 1987-09-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0527752Y2 (en) |
-
1987
- 1987-09-24 JP JP14584587U patent/JPH0527752Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0527752Y2 (en) | 1993-07-15 |