JPS60145675U - counter balance valve - Google Patents
counter balance valveInfo
- Publication number
- JPS60145675U JPS60145675U JP3292884U JP3292884U JPS60145675U JP S60145675 U JPS60145675 U JP S60145675U JP 3292884 U JP3292884 U JP 3292884U JP 3292884 U JP3292884 U JP 3292884U JP S60145675 U JPS60145675 U JP S60145675U
- Authority
- JP
- Japan
- Prior art keywords
- balance valve
- counter balance
- actuator
- pair
- spring
- 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
Landscapes
- Safety Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の油圧回路の１例を示す油圧回路図、第２
図は同上におけるカウンターバランス弁の詳細を示す断
面図、第３図は本考案のカウンターバランス弁を含む油
圧回路図、第４図は本考案のカウンターバランス弁の断
面図である。
アクチュエータ・・・・・・２、給排路・・・・・・８
．８’。
１２．１２’、スプール・・・・・・２０，２０’、ス
プリング・・・・・・１１，１１’、ダンピング室・・
・・・・４０゜４０′。Figure 1 is a hydraulic circuit diagram showing an example of a conventional hydraulic circuit;
FIG. 3 is a hydraulic circuit diagram including the counterbalance valve of the present invention, and FIG. 4 is a sectional view of the counterbalance valve of the present invention. Actuator...2, Supply/discharge path...8
．． 8'. 12.12', Spool...20,20', Spring...11,11', Damping chamber...
...40°40'.
Claims (1)
設された１対のスプールをそれぞれ介装するとともに上
記各スプールを付勢するスプリングと上記アクチュエー
タの供給路内圧油が供給されたとき上記スプリング力に
抗する油圧力を発生させるダンピング室を設けたことを
特徴とするカウンターバランス弁。A pair of spools arranged parallel to each other are interposed in a pair of oil supply and drainage passages communicating with the actuator, and a spring that biases each spool and pressure oil in the supply passage of the actuator are supplied. A counterbalance valve characterized by being provided with a damping chamber that generates hydraulic pressure that resists the spring force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3292884U JPS60145675U (en) | 1984-03-09 | 1984-03-09 | counter balance valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3292884U JPS60145675U (en) | 1984-03-09 | 1984-03-09 | counter balance valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60145675U true JPS60145675U (en) | 1985-09-27 |
Family
ID=30534898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3292884U Pending JPS60145675U (en) | 1984-03-09 | 1984-03-09 | counter balance valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60145675U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101337791B1 (en) * | 2010-12-30 | 2013-12-06 | 주식회사 두산 | Rotating motor having anti cavitation |
| JP2016031101A (en) * | 2014-07-28 | 2016-03-07 | 日立建機株式会社 | Work machine |
-
1984
- 1984-03-09 JP JP3292884U patent/JPS60145675U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101337791B1 (en) * | 2010-12-30 | 2013-12-06 | 주식회사 두산 | Rotating motor having anti cavitation |
| JP2016031101A (en) * | 2014-07-28 | 2016-03-07 | 日立建機株式会社 | Work machine |
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