JPS60116475U - directional valve - Google Patents
directional valveInfo
- Publication number
- JPS60116475U JPS60116475U JP389984U JP389984U JPS60116475U JP S60116475 U JPS60116475 U JP S60116475U JP 389984 U JP389984 U JP 389984U JP 389984 U JP389984 U JP 389984U JP S60116475 U JPS60116475 U JP S60116475U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- valve body
- switching valve
- spool
- pressure
- 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
- Fluid-Driven Valves (AREA)
- Multiple-Way Valves (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図は従来の方向切換弁の縦断、面図、第２図は本考
案による方向切換弁の一実施例の縦断面図、第３図はピ
ストンの概略斜視図である。
１・・・切換弁本体、２，３，４，５，６・・・ポート
、８・・・スプール、９・・・第１のシリンダ、１２・
・・パイロット通路、１３・・・第２のシリンダ、１４
ａ・・・大気室、１４ｂ・・・圧力室、１５・・・ピス
トン、１８・・・パイロット通路、２８・・・バルブ、
４１・・・ピストン、４２．４３・・・圧力室、４４・
・・連通孔。FIG. 1 is a vertical cross-sectional view and a plan view of a conventional directional control valve, FIG. 2 is a vertical cross-sectional view of an embodiment of a directional control valve according to the present invention, and FIG. 3 is a schematic perspective view of a piston. 1... Switching valve body, 2, 3, 4, 5, 6... Port, 8... Spool, 9... First cylinder, 12...
...Pilot passage, 13...Second cylinder, 14
a... Atmospheric chamber, 14b... Pressure chamber, 15... Piston, 18... Pilot passage, 28... Valve,
41...Piston, 42.43...Pressure chamber, 44.
・Communication hole.
Claims (2)
た切換弁本体と、該切換弁本体内を摺動し、上記ポート
の切換接続を行うスプールと、上記切換弁本体の一端に
連設され、かつピストンによって２圧力室を隔成した第
１のシリンダと、上記切換弁本体の他端に連設され、か
つピストンによって大気室および圧力室を隔成した第２
のシリンダと、上記第１のシリンダの第２のシリンダ方
向の上記圧力室および第２のシリンダの上記圧力室とに
連通ずる連通路と、上記第１のシリンダの第２のシリン
ダ方向とは反対側の上記圧力室および開閉制御されるバ
ルブを通じて第２のシリンダの圧力室のそれぞれに、パ
イロット流体圧を供給するパイロット通路とを備えたこ
とを特徴とする方向切換弁。(1) A switching valve body having multiple ports for introducing and deriving fluid pressure, a spool that slides within the switching valve body and connects the ports to switch, and a spool connected to one end of the switching valve body. a first cylinder connected to the other end of the switching valve body and having an atmospheric chamber and a pressure chamber separated by a piston;
a communication passage communicating with the pressure chamber of the first cylinder in the direction of the second cylinder and the pressure chamber of the second cylinder, and opposite to the direction of the second cylinder of the first cylinder. A directional control valve comprising a pilot passage supplying pilot fluid pressure to each of the pressure chambers on the side and the pressure chambers of the second cylinder through the valves whose opening and closing are controlled.
ることを特徴とする実用新案登録請求の範囲第１項記載
の方向切換弁。(2) The directional control valve according to claim 1, wherein the communication passage is formed at the center of the spool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP389984U JPS60116475U (en) | 1984-01-14 | 1984-01-14 | directional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP389984U JPS60116475U (en) | 1984-01-14 | 1984-01-14 | directional valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60116475U true JPS60116475U (en) | 1985-08-06 |
| JPS6315659Y2 JPS6315659Y2 (en) | 1988-05-02 |
Family
ID=30478958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP389984U Granted JPS60116475U (en) | 1984-01-14 | 1984-01-14 | directional valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60116475U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0221375U (en) * | 1988-07-18 | 1990-02-13 | ||
| WO2013073587A1 (en) * | 2011-11-18 | 2013-05-23 | 独立行政法人海洋研究開発機構 | Valve |
-
1984
- 1984-01-14 JP JP389984U patent/JPS60116475U/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0221375U (en) * | 1988-07-18 | 1990-02-13 | ||
| WO2013073587A1 (en) * | 2011-11-18 | 2013-05-23 | 独立行政法人海洋研究開発機構 | Valve |
| JP2013108552A (en) * | 2011-11-18 | 2013-06-06 | Japan Agengy For Marine-Earth Science & Technology | Valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6315659Y2 (en) | 1988-05-02 |
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