JPS59147966U - Pilot valve device of hydraulic circuit - Google Patents
Pilot valve device of hydraulic circuitInfo
- Publication number
- JPS59147966U JPS59147966U JP4211583U JP4211583U JPS59147966U JP S59147966 U JPS59147966 U JP S59147966U JP 4211583 U JP4211583 U JP 4211583U JP 4211583 U JP4211583 U JP 4211583U JP S59147966 U JPS59147966 U JP S59147966U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic circuit
- pilot valve
- valve device
- valve
- piezoelectric body
- 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
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の電磁ソレノイド形パイロット弁の構成図
、第２図は本考案の液圧回路のパイロット弁装置の断面
図、第３図は第２図の圧電体の部分の拡大構成図、第４
図及び第５図はそれぞれ本考案の他の実施例の液圧回路
のパイロット弁装置の要部を示す構成図である。
１１・・・弁シート、１２・・・ハウジング、１５・・
・弁、１５ａ・・・背圧側中空部、１６・・・高圧力側
孔、１７・・・排出側孔、１８・・・バランスばね、２
０・・・圧電体部、２１・・・圧電体、２５・・・弁ロ
ッド、２６．２７・・・電極、２８・・・絶縁板、２９
・・・電源、３０・・・指令用スイッチ、３２・・・ピ
ン、３３・・・レバー。
Ｉ２７ＬｅＣｅさ
ｒ７／ｎＸ＼＼＼
二？７
１ ＝
す１
一〜ｚｌ ｌ−寸■
−キー函
８
″″′″″′″″Fig. 1 is a block diagram of a conventional electromagnetic solenoid type pilot valve, Fig. 2 is a sectional view of the pilot valve device of the hydraulic circuit of the present invention, and Fig. 3 is an enlarged block diagram of the piezoelectric body part of Fig. 2. Fourth
5 and 5 are configuration diagrams showing the main parts of a pilot valve device for a hydraulic circuit according to another embodiment of the present invention, respectively. 11... Valve seat, 12... Housing, 15...
・Valve, 15a... Back pressure side hollow part, 16... High pressure side hole, 17... Discharge side hole, 18... Balance spring, 2
0... Piezoelectric body part, 21... Piezoelectric body, 25... Valve rod, 26.27... Electrode, 28... Insulating plate, 29
...Power supply, 30...Command switch, 32...Pin, 33...Lever. I27LeCesar7/nX\\\2? 7 1 = S1 1~zl l-size■ -Key box 8 ″″′″″′″″
Claims (3)
孔と排出側孔を連通制御するようにしたものにおいて、
圧電体部に電界を加えることによって発生する電歪効果
による変位により前記弁を移動させるようにしたことを
特徴とする液圧回路のパイロット弁装置。(1) In a device in which communication between the high pressure side hole and the discharge side hole is controlled by movement of the valve housed in the valve seat,
A pilot valve device for a hydraulic circuit, characterized in that the valve is moved by displacement due to an electrostrictive effect generated by applying an electric field to a piezoelectric body part.
新案登録請求の範囲第１項記載の液圧回路のパイロット
弁装置。(2) A pilot valve device for a hydraulic circuit according to claim 1, wherein the piezoelectric body portion is formed by stacking a plurality of piezoelectric bodies.
して弁に伝達する実用新案登録請求の範囲第１項記載の
液圧回路のパイロット弁装置。(3) A pilot valve device for a hydraulic circuit according to claim 1, which magnifies the displacement of the piezoelectric body portion and transmits the displacement to the valve via a lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4211583U JPS59147966U (en) | 1983-03-25 | 1983-03-25 | Pilot valve device of hydraulic circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4211583U JPS59147966U (en) | 1983-03-25 | 1983-03-25 | Pilot valve device of hydraulic circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59147966U true JPS59147966U (en) | 1984-10-03 |
Family
ID=30172675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4211583U Pending JPS59147966U (en) | 1983-03-25 | 1983-03-25 | Pilot valve device of hydraulic circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59147966U (en) |
-
1983
- 1983-03-25 JP JP4211583U patent/JPS59147966U/en active Pending
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