JPH01166178U - - Google Patents
Info
- Publication number
- JPH01166178U JPH01166178U JP5618888U JP5618888U JPH01166178U JP H01166178 U JPH01166178 U JP H01166178U JP 5618888 U JP5618888 U JP 5618888U JP 5618888 U JP5618888 U JP 5618888U JP H01166178 U JPH01166178 U JP H01166178U
- Authority
- JP
- Japan
- Prior art keywords
- spring
- coil spring
- valve body
- diameter
- diameter coil
- 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
- 230000036316 preload Effects 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fluid-Driven Valves (AREA)
- Safety Valves (AREA)
Description
第１図は本考案を実施してなるパイロツト油圧
切換弁を含む油圧回路図、第２図は第１図に示し
たパイロツト油圧切換弁の拡大断面図である。
符号の説明、２２……スプール（弁体）、３３
……大径のコイルスプリング、３４……小径のコ
イルスプリング、３５，３６……リテーナ、３７
……ボルト（調整手段）、Ｖ……パイロツト油圧
切換弁（制御弁）。
FIG. 1 is a hydraulic circuit diagram including a pilot hydraulic switching valve according to the present invention, and FIG. 2 is an enlarged sectional view of the pilot hydraulic switching valve shown in FIG. Explanation of symbols, 22...Spool (valve body), 33
...Large diameter coil spring, 34...Small diameter coil spring, 35, 36...Retainer, 37
...Bolt (adjustment means), V...Pilot hydraulic pressure switching valve (control valve).
Claims (1)
グによつて制御するようにした制御弁において、
前記スプリングを、所定の予備荷重を付与して前
記弁体にばね力が作用するように組付けた大径の
コイルスプリングと、この大径のコイルスプリン
グ内に同軸的に組付けられて前記弁体にばね力が
作用するようにされかつ調整手段によりばね力を
調整可能な小径でばね定数の小さなコイルスプリ
ングにより構成したことを特徴とする制御弁。 In a control valve that uses a spring to control the movement of a valve body that operates in response to fluid pressure,
The spring is assembled into a large-diameter coil spring with a predetermined preload applied thereto so that a spring force acts on the valve body, and a large-diameter coil spring that is assembled coaxially within the large-diameter coil spring to apply a predetermined preload to the valve body. A control valve characterized in that it is constructed of a coil spring with a small diameter and a small spring constant, which applies a spring force to its body and whose spring force can be adjusted by an adjusting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5618888U JPH01166178U (en) | 1988-04-26 | 1988-04-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5618888U JPH01166178U (en) | 1988-04-26 | 1988-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01166178U true JPH01166178U (en) | 1989-11-21 |
Family
ID=31282070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5618888U Pending JPH01166178U (en) | 1988-04-26 | 1988-04-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01166178U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002168364A (en) * | 2000-12-01 | 2002-06-14 | Toyoda Mach Works Ltd | Valve gear |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS505407A (en) * | 1972-10-31 | 1975-01-21 | ||
| JPS5317935B2 (en) * | 1975-03-11 | 1978-06-12 |
-
1988
- 1988-04-26 JP JP5618888U patent/JPH01166178U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS505407A (en) * | 1972-10-31 | 1975-01-21 | ||
| JPS5317935B2 (en) * | 1975-03-11 | 1978-06-12 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002168364A (en) * | 2000-12-01 | 2002-06-14 | Toyoda Mach Works Ltd | Valve gear |