JPH0427281U - - Google Patents
Info
- Publication number
- JPH0427281U JPH0427281U JP6719090U JP6719090U JPH0427281U JP H0427281 U JPH0427281 U JP H0427281U JP 6719090 U JP6719090 U JP 6719090U JP 6719090 U JP6719090 U JP 6719090U JP H0427281 U JPH0427281 U JP H0427281U
- Authority
- JP
- Japan
- Prior art keywords
- pilot valve
- spools
- piston
- valve body
- stopper projection
- 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
- Servomotors (AREA)
- Mechanically-Actuated Valves (AREA)
Description
第１図〜第４図は本考案の第１実施例を示し、
第１図、第２図はパイロツト弁の正面図、断面図
、第３図、第４図はプレートの平面図、断面図、
第５図〜第８図は本考案の第２実施例を示し、第
５図、第６図はパイロツト弁の正面図、断面図、
第７図、第８図はプレートの平面図、断面図、第
９図、第１０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、８はピストン、１０はプレート
、１２はジヨイント、１４はデイスク、１５はレ
バー、２０はストツパー用突起、２１は受け片、
２３は環状溝。
1 to 4 show a first embodiment of the present invention,
Figures 1 and 2 are a front view and a sectional view of the pilot valve, Figures 3 and 4 are a plan view and a sectional view of the plate,
5 to 8 show a second embodiment of the present invention, and FIGS. 5 and 6 are a front view, a sectional view, and a sectional view of the pilot valve.
7 and 8 are a plan view and a sectional view of the plate, and FIGS. 9 and 10 are sectional views of a conventional example. 1 is a valve body, 2 is a pressure oil port, 3 is an outlet port, 4 is a spool, 8 is a piston, 10 is a plate, 12 is a joint, 14 is a disk, 15 is a lever, 20 is a projection for a stopper, 21 is a receiving piece ,
23 is an annular groove.
Claims (1)
を連通・遮断する４本のスプール４及びそのスプ
ール４を移動する４本のピストン８を設け、弁本
体１にジヨイント１２を介して前後・左右に揺動
自在に設けたデイスク１４をレバー１５で揺動す
ることで前記ピストン８を介してスプール４を連
通位置とするパイロツト弁において、 前記弁本体１の上部にリング状のストツパー用
突起２０を備えたプレート１０を、そのストツパ
ー用突起２０がピストン８より外側となるように
取付け、前記デイスク１４に受け片２１を一体形
成したことを特徴とするパイロツト弁。 (2) 前記ストツパー用突起２０の外周面に環状
凹溝２３を形成して、ブーツ１６の一端周縁部１
６ａを環状凹部２３に嵌め込んで取付けたことを
特徴とする請求項１記載のパイロツト弁。[Scope of claims for utility model registration] (1) Valve body 1, pressure oil port 2 and outlet port 3
There are four spools 4 that communicate and cut off the spools 4 and four pistons 8 that move the spools 4. In the pilot valve which is brought into communication position with the spool 4 via the piston 8 by swinging, a plate 10 is provided with a ring-shaped stopper projection 20 on the upper part of the valve body 1, and the stopper projection 20 is connected to the piston. 8. A pilot valve characterized in that the receiving piece 21 is integrally formed with the disk 14. (2) An annular groove 23 is formed on the outer circumferential surface of the stopper protrusion 20, and one end circumferential edge 1 of the boot 16 is formed.
6. The pilot valve according to claim 1, wherein the pilot valve is mounted by being fitted into the annular recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6719090U JPH0749167Y2 (en) | 1990-06-27 | 1990-06-27 | Pilot valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6719090U JPH0749167Y2 (en) | 1990-06-27 | 1990-06-27 | Pilot valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0427281U true JPH0427281U (en) | 1992-03-04 |
| JPH0749167Y2 JPH0749167Y2 (en) | 1995-11-13 |
Family
ID=31600545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6719090U Expired - Fee Related JPH0749167Y2 (en) | 1990-06-27 | 1990-06-27 | Pilot valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0749167Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011128719A1 (en) * | 2010-04-12 | 2011-10-20 | Volvo Compact Equipment S A S | Excavator and process for assembling or dissassembling such excavator |
| JP5449206B2 (en) * | 2009-02-05 | 2014-03-19 | 日立建機株式会社 | Pilot valve device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4731740B2 (en) * | 2001-06-22 | 2011-07-27 | 株式会社小松製作所 | Mono lever operating device |
| KR101512956B1 (en) * | 2014-04-23 | 2015-04-17 | 주식회사 상아정공 | combination structure of pilot pressure conversion valve |
-
1990
- 1990-06-27 JP JP6719090U patent/JPH0749167Y2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5449206B2 (en) * | 2009-02-05 | 2014-03-19 | 日立建機株式会社 | Pilot valve device |
| WO2011128719A1 (en) * | 2010-04-12 | 2011-10-20 | Volvo Compact Equipment S A S | Excavator and process for assembling or dissassembling such excavator |
| US8807263B2 (en) | 2010-04-12 | 2014-08-19 | Volvo Compact Equipment Sas | Excavator and process for assembling or dissassembling such excavator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0749167Y2 (en) | 1995-11-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |