JPS5830063U - Servo valve device - Google Patents

Servo valve device

Info

Publication number
JPS5830063U
JPS5830063U JP12386881U JP12386881U JPS5830063U JP S5830063 U JPS5830063 U JP S5830063U JP 12386881 U JP12386881 U JP 12386881U JP 12386881 U JP12386881 U JP 12386881U JP S5830063 U JPS5830063 U JP S5830063U
Authority
JP
Japan
Prior art keywords
piston
sleeve
spool
spring
valve device
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
Application number
JP12386881U
Other languages
Japanese (ja)
Other versions
JPS6110036Y2 (en
Inventor
直人 境
福島　泉
Original Assignee
カヤバ工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by カヤバ工業株式会社 filed Critical カヤバ工業株式会社
Priority to JP12386881U priority Critical patent/JPS5830063U/en
Publication of JPS5830063U publication Critical patent/JPS5830063U/en
Application granted granted Critical
Publication of JPS6110036Y2 publication Critical patent/JPS6110036Y2/ja
Granted legal-status Critical Current

Links

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

【図面の簡単な説明】[Brief explanation of drawings]

添付図面は本考案の一実施態様に係るサーボバルブ装置
の縦断正面図である。 ２５・・・・・・サーボシリンダ、３２・・・・・・高
圧側通路、３５・・・・・・ピストン、３６・・・・・
・スプール　３６ａ・・・・・・延長部、７０・・・・
・・スリーブ、７１・・・・・・フランジ、７６・・・
・・・操作レバー、７７・・・・・・スプリングシート
、７８・・・・・・スプリング。The accompanying drawing is a longitudinal sectional front view of a servo valve device according to an embodiment of the present invention. 25... Servo cylinder, 32... High pressure side passage, 35... Piston, 36...
・Spool 36a...Extension part, 70...
... Sleeve, 71 ... Flange, 76 ...
...Operation lever, 77...Spring seat, 78...Spring.

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）サーボシリンダ内にピストンが摺動自在に挿入さ
れ、ピストンは可変吐出量油圧ポンプの斜板と連動し、
ピストン内にはスプールが摺動自在に挿入され、スプー
ルを操作レバーを介して切換操作した時ピストン両側を
高圧側又は低圧−側に選択的に切換え、ピストンを一方
向に移動−させて油圧ポンプの吐出量を制御するサーボ
装置に於て、スプールの一部をピストン外部に延長させ
、この延長部外周にスリーブを摺動自在□　に挿入させ
、このスリーブに操作レバーを連動させ、スリーブの一
側にはスプリングを介在させ、又スリーブの他側には圧
力室を設けてスプリングとバランスさせ、圧力室は高圧
側通路に開閉されるようにしたサーボバルブ装置。(1) A piston is slidably inserted into a servo cylinder, and the piston is interlocked with the swash plate of a variable displacement hydraulic pump,
A spool is slidably inserted into the piston, and when the spool is switched via a control lever, both sides of the piston are selectively switched to the high pressure side or the low pressure side, and the piston is moved in one direction to operate the hydraulic pump. In the servo device that controls the discharge amount of the piston, a part of the spool is extended outside the piston, a sleeve is slidably inserted into the outer periphery of this extension, and an operating lever is interlocked with this sleeve. A servo valve device in which a spring is interposed on one side of the sleeve, a pressure chamber is provided on the other side of the sleeve to balance the spring, and the pressure chamber is opened and closed to a high pressure side passage. （２）　　スプリングがスリーブ側のフランジとスプー
゛　ル側のスプリングシート間に介在させた実用新案登
録請求の範囲第１項記載のサーボバルブ装置。(2) The servo valve device according to claim 1, wherein the spring is interposed between the flange on the sleeve side and the spring seat on the spool side. （３）スリーブはスプールの段部にスプリングを介して
押圧されている実用新案登録請求の範囲第１項記載のサ
ーボバルブ装置。(3) The servo valve device according to claim 1, wherein the sleeve is pressed against the stepped portion of the spool via a spring.
JP12386881U 1981-08-21 1981-08-21 Servo valve device Granted JPS5830063U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12386881U JPS5830063U (en) 1981-08-21 1981-08-21 Servo valve device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12386881U JPS5830063U (en) 1981-08-21 1981-08-21 Servo valve device

Publications (2)

Publication Number Publication Date
JPS5830063U true JPS5830063U (en) 1983-02-26
JPS6110036Y2 JPS6110036Y2 (en) 1986-04-01

Family

ID=29917756

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12386881U Granted JPS5830063U (en) 1981-08-21 1981-08-21 Servo valve device

Country Status (1)

Country Link
JP (1) JPS5830063U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6253698A (en) * 1985-09-03 1987-03-09 三菱電機株式会社 Twin needle stitch apparatus
JPH01308587A (en) * 1988-06-06 1989-12-13 Brother Ind Ltd Two-needle angular-sewing machine
JP2006242335A (en) * 2005-03-04 2006-09-14 Yanmar Co Ltd Operating mechanism of continuously variable transmission

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6253698A (en) * 1985-09-03 1987-03-09 三菱電機株式会社 Twin needle stitch apparatus
JPH01308587A (en) * 1988-06-06 1989-12-13 Brother Ind Ltd Two-needle angular-sewing machine
JP2006242335A (en) * 2005-03-04 2006-09-14 Yanmar Co Ltd Operating mechanism of continuously variable transmission
JP4585336B2 (en) * 2005-03-04 2010-11-24 ヤンマー株式会社 Operation mechanism of hydraulic continuously variable transmission

Also Published As

Publication number Publication date
JPS6110036Y2 (en) 1986-04-01

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