JPS63158646U - - Google Patents
Info
- Publication number
- JPS63158646U JPS63158646U JP5128187U JP5128187U JPS63158646U JP S63158646 U JPS63158646 U JP S63158646U JP 5128187 U JP5128187 U JP 5128187U JP 5128187 U JP5128187 U JP 5128187U JP S63158646 U JPS63158646 U JP S63158646U
- Authority
- JP
- Japan
- Prior art keywords
- spool
- cylinder chamber
- axial direction
- hydraulic control
- control device
- 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
- 238000010586 diagram Methods 0.000 description 1
Description
第１図及び第２図は油圧制御装置の断面図、第
３図及び第４図は油圧クラツチの断面図、第５図
は油圧昇曲線図、第６図はトラクタ後部の横断面
図、第７図は同縦断面図である。
１……ボデー、２……スプール摺動孔、４……
スプール、１９……シリンダ室、２０……逃し孔
、２１……絞り、３０……スプリング。
Figures 1 and 2 are cross-sectional views of the hydraulic control system, Figures 3 and 4 are cross-sectional views of the hydraulic clutch, Figure 5 is a hydraulic pressure rise curve diagram, Figure 6 is a cross-sectional view of the rear of the tractor, and Figure 6 is a cross-sectional view of the rear of the tractor. FIG. 7 is a longitudinal sectional view of the same. 1...Body, 2...Spool sliding hole, 4...
Spool, 19... cylinder chamber, 20... relief hole, 21... throttle, 30... spring.
Claims (1)
在に設けられ、該スプールを軸方向に移動させる
ことによりボデーに設けられた油路を切換えるよ
うにした油圧制御装置において、 前記ボデーに設けられたスプール摺動孔の一端
は閉じられてスプールの端部が出入りするシリン
ダ室に形成され、該シリンダ室は絞りを介して外
部に連通しており、一方、前記スプールをシリン
ダ室側に移動させるスプリングが設けられている
ことを特徴とする油圧制御装置。[Claims for Utility Model Registration] A hydraulic control device in which a spool is provided on the body of a control valve so as to be freely movable in the axial direction, and an oil path provided in the body is switched by moving the spool in the axial direction, One end of the spool sliding hole provided in the body is closed to form a cylinder chamber through which the end of the spool enters and exits, and the cylinder chamber communicates with the outside via a throttle. A hydraulic control device characterized by being provided with a spring that moves the device toward the room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5128187U JPS63158646U (en) | 1987-04-03 | 1987-04-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5128187U JPS63158646U (en) | 1987-04-03 | 1987-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63158646U true JPS63158646U (en) | 1988-10-18 |
Family
ID=30875389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5128187U Pending JPS63158646U (en) | 1987-04-03 | 1987-04-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63158646U (en) |
-
1987
- 1987-04-03 JP JP5128187U patent/JPS63158646U/ja active Pending