JPS5845478U - directional valve - Google Patents

directional valve

Info

Publication number
JPS5845478U
JPS5845478U JP14074281U JP14074281U JPS5845478U JP S5845478 U JPS5845478 U JP S5845478U JP 14074281 U JP14074281 U JP 14074281U JP 14074281 U JP14074281 U JP 14074281U JP S5845478 U JPS5845478 U JP S5845478U
Authority
JP
Japan
Prior art keywords
spool
directional valve
spring device
control valve
directional control
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
JP14074281U
Other languages
Japanese (ja)
Inventor
金子 善二
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 JP14074281U priority Critical patent/JPS5845478U/en
Publication of JPS5845478U publication Critical patent/JPS5845478U/en
Pending legal-status Critical Current

Links

Landscapes

  • Mechanically-Actuated Valves (AREA)
  • Multiple-Way 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) [Abstract] 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 the drawing]

第1図は従来技術における方向切換弁を含む油圧装置の
全体図、第2図は第1図の方向切換弁の断面図、第3図
は他の従来技術に係る油圧装置の全体図、第4図は本考
案に係る方向切換弁の要部拡大断面図、第5図は本考案
に係るスプールの操作力の特性と流量の特性とを示す線
図である。 3・・・方向切換弁、3A・・・ケーシング、4・・・
操作レバー、7・・・スプール、7E・・・取付部、2
1・・・戻しばね装置、22・・・操作力増加用のばね
装置、23.24・・・支持杆、25.26・・・第1
のばね受座、27・・・第1のばね、28.29・・・
第2のばね受座、30・・・第2のばね。
Fig. 1 is an overall view of a hydraulic system including a directional control valve according to the prior art, Fig. 2 is a sectional view of the directional control valve shown in Fig. FIG. 4 is an enlarged cross-sectional view of a main part of the directional control valve according to the present invention, and FIG. 5 is a diagram showing the operating force characteristics and flow rate characteristics of the spool according to the present invention. 3... Directional switching valve, 3A... Casing, 4...
Operation lever, 7... Spool, 7E... Mounting part, 2
DESCRIPTION OF SYMBOLS 1... Return spring device, 22... Spring device for increasing operating force, 23.24... Support rod, 25.26... First
Spring seat, 27...first spring, 28.29...
Second spring catch, 30... second spring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 弁本体のケーシング内にはスプールを摺動可能に設け、
該スプールの一端側には操作レバーと接続される取付部
を形成し、前記スプールの他端側には該スプールと同軸
に該スプールを中立位置に復帰させる戻しばね装置と該
スプールの操作に対する操作力増加用のばね装置とを連
結してなる方向切換弁。
A spool is slidably installed inside the casing of the valve body.
A mounting portion connected to an operating lever is formed on one end of the spool, and a return spring device coaxial with the spool for returning the spool to a neutral position and an operation for operating the spool are formed on the other end of the spool. A directional control valve connected to a force increasing spring device.
JP14074281U 1981-09-22 1981-09-22 directional valve Pending JPS5845478U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14074281U JPS5845478U (en) 1981-09-22 1981-09-22 directional valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14074281U JPS5845478U (en) 1981-09-22 1981-09-22 directional valve

Publications (1)

Publication Number Publication Date
JPS5845478U true JPS5845478U (en) 1983-03-26

Family

ID=29933888

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14074281U Pending JPS5845478U (en) 1981-09-22 1981-09-22 directional valve

Country Status (1)

Country Link
JP (1) JPS5845478U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60173767U (en) * 1984-04-26 1985-11-18 カヤバ工業株式会社 manual directional valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60173767U (en) * 1984-04-26 1985-11-18 カヤバ工業株式会社 manual directional valve

Similar Documents

Publication Publication Date Title
JPS5845478U (en) directional valve
JPS5894902U (en) control valve
JPS582026U (en) Operation lever device
JPS58122921U (en) Automatic manual switching operation structure
JPS6134581U (en) Operation lever device in crane
JPS58132908U (en) Hydraulic supply device for agricultural hydraulic lift equipment
JPS60116492U (en) Overflow prevention safety valve for hose connection port
JPS60139529U (en) Automobile gear shift lever
JPS60162786U (en) valve device
JPS582027U (en) Operation lever device
JPS6091652U (en) Construction machinery operating device
JPS6133120U (en) Transmission remote control device
JPS5830083U (en) Control valve operating device
JPS60191780U (en) ball tap
JPS58137620U (en) Fixed position stop device
JPS581666U (en) Hydraulic excavator hydraulic circuit
JPS6024863U (en) Carburetor automatic yoke device
JPS6030823U (en) Automatic transmission control device
JPS59160966U (en) flow indicator valve
JPS59107665U (en) Installation structure of operating valve in hydraulic circuit
JPS58155434U (en) clutch actuator
JPS59136907U (en) Control valve mechanism for tractor hydraulic system
JPS60173702U (en) control valve
JPS60195900U (en) Attachment shift control device for industrial vehicles
JPS60111772U (en) Power steering flow control device