JPH0460005U - - Google Patents
Info
- Publication number
- JPH0460005U JPH0460005U JP10107990U JP10107990U JPH0460005U JP H0460005 U JPH0460005 U JP H0460005U JP 10107990 U JP10107990 U JP 10107990U JP 10107990 U JP10107990 U JP 10107990U JP H0460005 U JPH0460005 U JP H0460005U
- Authority
- JP
- Japan
- Prior art keywords
- control valve
- spool
- main cylinder
- cylinder device
- nozzle
- 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
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims 1
- 230000007935 neutral effect Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
Description
図は、本考案の実施例を示すものであつて、第
１図はメインシリンダ装置の断面図、第２図はコ
ントロールバルブの平断面図、第３図は同側面図
である。第４図及び第５図はノズルより噴射され
る油の状態の説明図、第６図は第５図の下面図、
第７図は油圧回路図である。第８図は油圧ケース
面に油を噴射してシリンダに供給する形式の実施
例を示すメインシリンダの断面図、第９図はシリ
ンダの天井面に油を噴射してシリンダに供給する
形式の実施例を示す側面図である。
１……油圧ケース、２……シリンダ、３……ピ
ストン、４……コンロツド、５……軸、６……作
動アーム、７……蓋部材、８……バルブ機構、９
……コントロールバルブ、９ａ……本体、９ｂ…
…シリンダ部、９ｃ……油路、９ｄ……油路、９
ｅ……潤滑用油路、１０……スプール、１３……
油ポンプ、１４……ノズル、１６……噴射孔、１
７……止め輪。
The drawings show an embodiment of the present invention, in which FIG. 1 is a sectional view of the main cylinder device, FIG. 2 is a plan sectional view of the control valve, and FIG. 3 is a side view of the same. Figures 4 and 5 are explanatory diagrams of the state of oil injected from the nozzle, Figure 6 is a bottom view of Figure 5,
FIG. 7 is a hydraulic circuit diagram. Figure 8 is a cross-sectional view of the main cylinder showing an example of a type in which oil is injected onto the hydraulic case surface and supplied to the cylinder, and Figure 9 is an implementation of a type in which oil is injected onto the ceiling surface of the cylinder to be supplied to the cylinder. It is a side view which shows an example. DESCRIPTION OF SYMBOLS 1... Hydraulic case, 2... Cylinder, 3... Piston, 4... Connecting rod, 5... Shaft, 6... Operating arm, 7... Lid member, 8... Valve mechanism, 9
...Control valve, 9a...Main body, 9b...
...Cylinder part, 9c...Oil passage, 9d...Oil passage, 9
e... Lubricating oil path, 10... Spool, 13...
Oil pump, 14... Nozzle, 16... Injection hole, 1
7...Retaining ring.
Claims (1)
ロールバルブを併設し、前記コントロールバルブ
の本体に設けた油路に連通する潤滑用油路を前記
コントロールバルブのスプールに隣接して開口し
、この開口にノズルを固定し、このノズルに開口
した噴射孔を前記スプールに向け、前記コントロ
ールバルブの中立時の戻り油を前記噴射孔より噴
射させて前記スプールで反射させて前記メインシ
リンダ装置の潤滑をするように構成してなる農用
トラクタの給油装置。 A main cylinder device and a control valve for controlling the main cylinder device are installed together, a lubrication oil passage communicating with an oil passage provided in the main body of the control valve is opened adjacent to the spool of the control valve, and a nozzle is inserted into this opening. fixed, an injection hole opened in the nozzle is directed toward the spool, and the return oil from the neutral state of the control valve is injected from the injection hole and reflected by the spool to lubricate the main cylinder device. A refueling device for agricultural tractors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10107990U JP2539032Y2 (en) | 1990-09-28 | 1990-09-28 | Agricultural tractor refueling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10107990U JP2539032Y2 (en) | 1990-09-28 | 1990-09-28 | Agricultural tractor refueling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0460005U true JPH0460005U (en) | 1992-05-22 |
| JP2539032Y2 JP2539032Y2 (en) | 1997-06-18 |
Family
ID=31844231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10107990U Expired - Lifetime JP2539032Y2 (en) | 1990-09-28 | 1990-09-28 | Agricultural tractor refueling system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2539032Y2 (en) |
-
1990
- 1990-09-28 JP JP10107990U patent/JP2539032Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2539032Y2 (en) | 1997-06-18 |
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