JPS6361210U - - Google Patents
Info
- Publication number
- JPS6361210U JPS6361210U JP15411586U JP15411586U JPS6361210U JP S6361210 U JPS6361210 U JP S6361210U JP 15411586 U JP15411586 U JP 15411586U JP 15411586 U JP15411586 U JP 15411586U JP S6361210 U JPS6361210 U JP S6361210U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- poppet
- drain port
- position control
- main spool
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
Description
図面は本考案に係る農用トラクタのポジシヨン
コントロートバルブの実施例を示し、第１図は断
面図、第２図は全体の油圧回路図、第３図は油圧
シリンダの縦断側面図、第４図は農用トラクタの
後部側面図である。
５……油圧シリンダ、７……主スプール、８…
…シリンダポート、９……ドレインポート、１１
……ポペツトバルブ、１６……ドレインポート、
１７……ポペツト孔、１８……弁座。
The drawings show an embodiment of the position control valve for an agricultural tractor according to the present invention, in which Fig. 1 is a sectional view, Fig. 2 is an overall hydraulic circuit diagram, Fig. 3 is a longitudinal side view of a hydraulic cylinder, and Fig. 4 is a cross-sectional view. The figure is a rear side view of the agricultural tractor. 5...Hydraulic cylinder, 7...Main spool, 8...
...Cylinder port, 9...Drain port, 11
...Poppet valve, 16...Drain port,
17...Poppet hole, 18...Valve seat.
Claims (1)
れるシリンダポート８とドレインポート９との間
に主スプール７に連係したポペツトバルブ１１を
介在してある農用トラクタのポジシヨンコントロ
ールバルブであつて、前記ポペツトバルブ１１の
ポペツト孔１７のドレインポート９側をポペツト
孔１７より小径にすると共に、前記ポペツトバル
ブ１１の弁座１８を該バルブ１１の閉弁作動方向
から挿入してドレインポート９側に嵌入保持させ
てある農用トラクタのポジシヨンコントロールバ
ルブ。 A position control valve for an agricultural tractor in which a poppet valve 11 connected to a main spool 7 is interposed between a cylinder port 8 communicating with a hydraulic cylinder 5 for driving a lift arm and a drain port 9, the poppet valve 11 being connected to a main spool 7. The drain port 9 side of the poppet hole 17 is made smaller in diameter than the poppet hole 17, and the valve seat 18 of the poppet valve 11 is inserted from the valve closing operation direction of the valve 11 and is fitted and held on the drain port 9 side. Tractor position control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15411586U JPH052974Y2 (en) | 1986-10-07 | 1986-10-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15411586U JPH052974Y2 (en) | 1986-10-07 | 1986-10-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6361210U true JPS6361210U (en) | 1988-04-23 |
| JPH052974Y2 JPH052974Y2 (en) | 1993-01-25 |
Family
ID=31073615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15411586U Expired - Lifetime JPH052974Y2 (en) | 1986-10-07 | 1986-10-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH052974Y2 (en) |
-
1986
- 1986-10-07 JP JP15411586U patent/JPH052974Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH052974Y2 (en) | 1993-01-25 |