JPH0441175U - - Google Patents
Info
- Publication number
- JPH0441175U JPH0441175U JP8294490U JP8294490U JPH0441175U JP H0441175 U JPH0441175 U JP H0441175U JP 8294490 U JP8294490 U JP 8294490U JP 8294490 U JP8294490 U JP 8294490U JP H0441175 U JPH0441175 U JP H0441175U
- Authority
- JP
- Japan
- Prior art keywords
- spring
- valve
- spring force
- pressure
- cylindrical part
- 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
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- Safety Valves (AREA)
Description
第１図は本考案の圧力制御弁の圧力調整装置の
一実施例を示す縦断面図、第２図は従来の圧力制
御弁の圧力調整装置を示す縦断面図である。
１６……圧力制御弁、１８……アンチキヤビテ
ーシヨン用主弁（アンチキヤビ用主弁）、１９…
…リリーフ用主弁、２０……高圧側の油路、２１
……タンク通路（低圧側の油路）、２７……ばね
室、２８……オイルシール、３０……筒状部、３
２……弁孔、３３……圧力設定用ばね、３７……
圧力調整装置、３８……ピストン、３９……袋ナ
ツト、４０……凸部。
FIG. 1 is a longitudinal sectional view showing an embodiment of the pressure regulating device for a pressure control valve of the present invention, and FIG. 2 is a longitudinal sectional view showing a conventional pressure regulating device for a pressure control valve. 16...Pressure control valve, 18...Main valve for anti-cavitation (main valve for anti-cavitation), 19...
...Relief main valve, 20...High pressure side oil path, 21
...tank passage (low pressure side oil path), 27 ... spring chamber, 28 ... oil seal, 30 ... cylindrical part, 3
2... Valve hole, 33... Pressure setting spring, 37...
Pressure adjustment device, 38...piston, 39...cap nut, 40...convex portion.
Claims (1)
と、この弁孔を開閉する主弁と、上記弁孔を閉状
態にする方向に上記主弁を押圧する圧力設定用ば
ねとを具備する圧力制御弁において、 一端が上記圧力制御弁と結合し内側に設けたば
ね室に上記圧力設定用ばねを収容する筒状部と、
上記圧力設定用ばねが上記主弁を押圧することに
より生ずるばね力を受けこのばね力の方向に進退
可能に上記ばね室に挿通されているピストンと、
上記ばね力の方向に進退可能に上記筒状部の他端
開口部を包囲して螺合しこの螺合位置で内面に突
設した凸部が上記ピストンを上記ばね力に抗する
方向に押圧する袋ナツトとからなる圧力制御弁の
圧力調整装置。[Scope of Claim for Utility Model Registration] A valve hole that communicates the oil passage on the high pressure side and the oil passage on the low pressure side, a main valve that opens and closes the valve hole, and the main valve that opens and closes the valve hole. A cylindrical part having one end connected to the pressure control valve and accommodating the pressure setting spring in a spring chamber provided inside;
a piston inserted into the spring chamber so as to be able to move forward and backward in the direction of the spring force in response to a spring force generated by the pressure setting spring pressing the main valve;
The cylindrical part is screwed around the other end opening of the cylindrical part so as to be movable back and forth in the direction of the spring force, and at this screwed-in position, a protrusion protruding from the inner surface presses the piston in a direction that resists the spring force. A pressure regulating device for a pressure control valve consisting of a cap nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8294490U JPH0441175U (en) | 1990-08-03 | 1990-08-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8294490U JPH0441175U (en) | 1990-08-03 | 1990-08-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0441175U true JPH0441175U (en) | 1992-04-08 |
Family
ID=31630201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8294490U Pending JPH0441175U (en) | 1990-08-03 | 1990-08-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0441175U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001248748A (en) * | 1999-12-28 | 2001-09-14 | Fuji Koki Corp | Three-stage flow rate control solenoid valve |
-
1990
- 1990-08-03 JP JP8294490U patent/JPH0441175U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001248748A (en) * | 1999-12-28 | 2001-09-14 | Fuji Koki Corp | Three-stage flow rate control solenoid valve |