JPH02140005U - - Google Patents
Info
- Publication number
- JPH02140005U JPH02140005U JP4948689U JP4948689U JPH02140005U JP H02140005 U JPH02140005 U JP H02140005U JP 4948689 U JP4948689 U JP 4948689U JP 4948689 U JP4948689 U JP 4948689U JP H02140005 U JPH02140005 U JP H02140005U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- valve body
- pilot valve
- piston
- lever
- 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
- 230000007935 neutral effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/0422—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with manually-operated pilot valves, e.g. joysticks
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Servomotors (AREA)
- Mechanically-Actuated Valves (AREA)
Description
第１図は本考案の実施例を示す断面図、第２図
は第２実施例の断面図、第３図は球状部と回り止
め部材の斜視図、第４図は従来例の断面図である
。
１は弁本体、２は圧油ポート、３は出口ポート
、４はスプール、６はリテーナ、７は主バネ、８
はピストン、１４はデイスク、１５はレバー、１
７はストツパー片、１８は受け片、。
Fig. 1 is a cross-sectional view showing an embodiment of the present invention, Fig. 2 is a cross-sectional view of the second embodiment, Fig. 3 is a perspective view of the spherical part and the anti-rotation member, and Fig. 4 is a cross-sectional view of the conventional example. be. 1 is the valve body, 2 is the pressure oil port, 3 is the outlet port, 4 is the spool, 6 is the retainer, 7 is the main spring, 8
is a piston, 14 is a disk, 15 is a lever, 1
7 is a stopper piece, 18 is a receiving piece.
Claims (1)
通・遮断する４本のスプール４及びその各スプー
ル４を移動する４本のピストン８を設け、この各
ピストン８をレバー１５に設けたデイスク１４を
前後・左右に揺動することで移動してスプール４
を連通位置とするパイロツト弁において、 前記ピストン８の下部に設けたリテーナ６と弁
本体１との間に主バネ７を設けてピストン８上部
をデイスク１４に当接して中立姿勢に保持し、 前記弁本体１側にストツパ片１７を設けると共
に、デイスク１４に受け片１８を設け、その受け
片１８をストツパー片１７に当接してレバー１５
のストロークを規制するようにしたことを特徴と
するパイロツト弁。[Claims for Utility Model Registration] The valve body 1 is provided with four spools 4 that communicate and cut off the pressure oil port 2 and the outlet port 3, and four pistons 8 that move each of the spools 4. The spool 4 is moved by swinging the disk 14, which is attached to the lever 15 with 8 attached, back and forth and left and right.
In the pilot valve having the communication position, a main spring 7 is provided between the retainer 6 provided at the lower part of the piston 8 and the valve body 1 to keep the upper part of the piston 8 in contact with the disk 14 in a neutral position, and the above-mentioned A stopper piece 17 is provided on the side of the valve body 1, and a receiving piece 18 is provided on the disk 14, and the receiving piece 18 is brought into contact with the stopper piece 17 to close the lever 15.
A pilot valve characterized by regulating the stroke of the pilot valve.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4948689U JPH02140005U (en) | 1989-04-28 | 1989-04-28 | |
| US07/628,401 US5184646A (en) | 1989-04-28 | 1990-04-25 | Pilot valve |
| PCT/JP1990/000541 WO1990013766A1 (en) | 1989-04-28 | 1990-04-25 | Pilot valve |
| DE69012294T DE69012294T2 (en) | 1989-04-28 | 1990-04-25 | PILOT VALVE. |
| EP90907391A EP0432270B1 (en) | 1989-04-28 | 1990-04-25 | Pilot valve |
| KR1019900702687A KR920700372A (en) | 1989-04-28 | 1990-04-25 | Pilot valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4948689U JPH02140005U (en) | 1989-04-28 | 1989-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02140005U true JPH02140005U (en) | 1990-11-22 |
Family
ID=31567218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4948689U Pending JPH02140005U (en) | 1989-04-28 | 1989-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02140005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017009082A (en) * | 2015-06-25 | 2017-01-12 | ヤンマー株式会社 | Hydraulic operation device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6126693U (en) * | 1984-07-23 | 1986-02-17 | 三井造船株式会社 | Propeller shaft insertion device |
| JPS6220012U (en) * | 1985-07-19 | 1987-02-06 |
-
1989
- 1989-04-28 JP JP4948689U patent/JPH02140005U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6126693U (en) * | 1984-07-23 | 1986-02-17 | 三井造船株式会社 | Propeller shaft insertion device |
| JPS6220012U (en) * | 1985-07-19 | 1987-02-06 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017009082A (en) * | 2015-06-25 | 2017-01-12 | ヤンマー株式会社 | Hydraulic operation device |