JPS5820702U - Spool operation valve - Google Patents

Spool operation valve

Info

Publication number
JPS5820702U
JPS5820702U JP11514481U JP11514481U JPS5820702U JP S5820702 U JPS5820702 U JP S5820702U JP 11514481 U JP11514481 U JP 11514481U JP 11514481 U JP11514481 U JP 11514481U JP S5820702 U JPS5820702 U JP S5820702U
Authority
JP
Japan
Prior art keywords
spool
boat
casing
operation valve
spool operation
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
Application number
JP11514481U
Other languages
Japanese (ja)
Inventor
利道 池田
Original Assignee
日立建機株式会社
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 日立建機株式会社 filed Critical 日立建機株式会社
Priority to JP11514481U priority Critical patent/JPS5820702U/en
Publication of JPS5820702U publication Critical patent/JPS5820702U/en
Pending legal-status Critical Current

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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]

第１図は従来技術によるスプール操作弁の系統的縦断面
図、第２図は本考案に係るスプール操作弁の第１の実施
例を示す系統的縦断面図、第３図は第２図の作動状態図
、第４図は同じく第２の実施例を示す系統的縦断面図で
ある。 １・・・・・・ケーシング、２・・・・・・ポンプボー
ト、３゜４・・・・・・アクチュエータボート、５．　
６．　７・・・・・・タンクボート、８・・・・・・ス
プール、４１Ａ、４１Ｂ・・・蓋体、４３Ａ、４３Ｂ、
７１Ａ、７１Ｂ・・・・・・油室、４８・・・・・・貫
通穴、５１・・・・・田ツド。FIG. 1 is a systematic longitudinal sectional view of a spool operating valve according to the prior art, FIG. 2 is a systematic longitudinal sectional view showing a first embodiment of the spool operating valve according to the present invention, and FIG. The operating state diagram, FIG. 4, is also a systematic vertical sectional view showing the second embodiment. 1...Casing, 2...Pump boat, 3゜4...Actuator boat, 5.
6. 7... Tank boat, 8... Spool, 41A, 41B... Lid body, 43A, 43B,
71A, 71B... Oil chamber, 48... Through hole, 51... Field.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ポンプボート、アクチューエータボート、タンクボート
を有するケーシングと、該ケーシング内に摺動可能に設
けられたスプールとからなるスプール操作弁において、
前記ケーシングの両端には前記スプールの両端部が臨む
油室を設け、該スプールには該スプールの軸線方向に貫
通する貫通穴を穿設し、該貫通穴内には前記各油室への
圧油の給・　排を制御し、その動きに追従して前記スプ
ールを変位せしめるためのロンドを摺動可能に設けたこ
とを特徴とするスプール操作弁。A spool operating valve consisting of a casing having a pump boat, an actuator boat, and a tank boat, and a spool slidably provided within the casing,
Oil chambers facing both ends of the spool are provided at both ends of the casing, and the spool is provided with a through hole that penetrates in the axial direction of the spool. 1. A spool operation valve characterized in that a rond is slidably provided for controlling the supply and discharge of the spool and displacing the spool in accordance with the movement of the spool.
JP11514481U 1981-07-31 1981-07-31 Spool operation valve Pending JPS5820702U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11514481U JPS5820702U (en) 1981-07-31 1981-07-31 Spool operation valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11514481U JPS5820702U (en) 1981-07-31 1981-07-31 Spool operation valve

Publications (1)

Publication Number Publication Date
JPS5820702U true JPS5820702U (en) 1983-02-08

Family

ID=29909414

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11514481U Pending JPS5820702U (en) 1981-07-31 1981-07-31 Spool operation valve

Country Status (1)

Country Link
JP (1) JPS5820702U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60121305A (en) * 1983-07-07 1985-06-28 ケネス　ダブリユ　ザウネル Proportional follower spool valve apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60121305A (en) * 1983-07-07 1985-06-28 ケネス　ダブリユ　ザウネル Proportional follower spool valve apparatus

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