JPS6065483U - counterbalance valve - Google Patents
counterbalance valveInfo
- Publication number
- JPS6065483U JPS6065483U JP15813783U JP15813783U JPS6065483U JP S6065483 U JPS6065483 U JP S6065483U JP 15813783 U JP15813783 U JP 15813783U JP 15813783 U JP15813783 U JP 15813783U JP S6065483 U JPS6065483 U JP S6065483U
- Authority
- JP
- Japan
- Prior art keywords
- spool
- ports
- port
- counterbalance valve
- short
- 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
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図は従来例の断面図、第2図は本考案の実施例を示
す全体断面図、第3図は要部拡大断面図である。
1は弁本体、2□〜24は第1〜第4ポート、9はスプ
ール、11はバネ、21は受圧室、22は細孔。
第2図
、−ILlFIG. 1 is a sectional view of a conventional example, FIG. 2 is an overall sectional view showing an embodiment of the present invention, and FIG. 3 is an enlarged sectional view of a main part. 1 is a valve body, 2□ to 24 are first to fourth ports, 9 is a spool, 11 is a spring, 21 is a pressure receiving chamber, and 22 is a pore. Figure 2, -ILl
Claims (1)
“3ポート21,23を断連するスプール9並びに第1
、第3ポート2□、23を短絡しかつ第3ポート23か
ら第1ポート21への流通を阻止する逆止弁7を有する
短絡路6を設け、前記スプール9を第1、第3ポート2
1,23を遮断する位置に保持するバネ11を設けると
共に、そのバネ力に抗する押力をスプール9に与える受
圧室21を形成し、この受圧室21を第2ポート2□よ
り受圧室21への流路を阻止する逆止弁20を介して第
2ポート2□に連通し、かつ前記スプール9に形成した
細孔22を介して第2ポート2゜に開口させたことを特
徴とするカウンタバランス弁。The valve body 1 has first to fourth ports 21 to 2. and the spool 9 that disconnects the first and third ports 21 and 23, and the first
, a short-circuit path 6 having a check valve 7 that short-circuits the third ports 2□, 23 and blocks flow from the third port 23 to the first port 21 is provided, and the spool 9 is connected to the first and third ports 2
1 and 23 are provided, and a pressure receiving chamber 21 is formed that applies a pushing force to the spool 9 that resists the spring force. It is characterized in that it communicates with the second port 2□ through a check valve 20 that blocks the flow path to the spool 9, and opens to the second port 2° through a pore 22 formed in the spool 9. counterbalance valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15813783U JPS6065483U (en) | 1983-10-14 | 1983-10-14 | counterbalance valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15813783U JPS6065483U (en) | 1983-10-14 | 1983-10-14 | counterbalance valve |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6065483U true JPS6065483U (en) | 1985-05-09 |
JPH0213816Y2 JPH0213816Y2 (en) | 1990-04-16 |
Family
ID=30348456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15813783U Granted JPS6065483U (en) | 1983-10-14 | 1983-10-14 | counterbalance valve |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6065483U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020002647A (en) * | 2018-06-28 | 2020-01-09 | オカダアイヨン株式会社 | Attachment of work machine, and hydraulic operation valve for attachment of work machine |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6128534U (en) * | 1984-07-24 | 1986-02-20 | 伸和工業株式会社 | manuscript table |
-
1983
- 1983-10-14 JP JP15813783U patent/JPS6065483U/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6128534U (en) * | 1984-07-24 | 1986-02-20 | 伸和工業株式会社 | manuscript table |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020002647A (en) * | 2018-06-28 | 2020-01-09 | オカダアイヨン株式会社 | Attachment of work machine, and hydraulic operation valve for attachment of work machine |
Also Published As
Publication number | Publication date |
---|---|
JPH0213816Y2 (en) | 1990-04-16 |
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