JPS5990670U - pilot check valve - Google Patents

pilot check valve

Info

Publication number
JPS5990670U
JPS5990670U JP18651982U JP18651982U JPS5990670U JP S5990670 U JPS5990670 U JP S5990670U JP 18651982 U JP18651982 U JP 18651982U JP 18651982 U JP18651982 U JP 18651982U JP S5990670 U JPS5990670 U JP S5990670U
Authority
JP
Japan
Prior art keywords
poppet valve
valve
pilot check
check valve
pilot
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
JP18651982U
Other languages
Japanese (ja)
Inventor
聰 山口
Original Assignee
石川島播磨重工業株式会社
石川島建機株式会社
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 石川島播磨重工業株式会社, 石川島建機株式会社 filed Critical 石川島播磨重工業株式会社
Priority to JP18651982U priority Critical patent/JPS5990670U/en
Publication of JPS5990670U publication Critical patent/JPS5990670U/en
Pending legal-status Critical Current

Links

Landscapes

  • Check 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

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

第１図は油圧アクチェータの系統図、第２図は従来のパ
イロットチェックバルブの説明図、第３図は本考案のパ
イロットチェックバルブの説明図である。 図中、１はアクチェータ、４はピストン、７は流路、８
．　９．　１０は室、１２は弁座、１６は外　−ポペッ
ト弁、１７は通孔、１８は内ポペット弁、１９はスプリ
ングを示す。FIG. 1 is a system diagram of a hydraulic actuator, FIG. 2 is an explanatory diagram of a conventional pilot check valve, and FIG. 3 is an explanatory diagram of a pilot check valve of the present invention. In the figure, 1 is an actuator, 4 is a piston, 7 is a flow path, and 8
．． 9. 10 is a chamber, 12 is a valve seat, 16 is an outer poppet valve, 17 is a through hole, 18 is an inner poppet valve, and 19 is a spring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 摺動自在なピストン及びポペット弁からなるパイロット
チェックバルブにおいて、スプリングによりピストン側
に付勢せしめた内ポペット弁に、内部が空洞で且つ弁頭
側部に孔を有し内外を連通可能とした外ポペット弁を摺
動可能に嵌装せしめてポペット弁を構成し、該ポペット
弁側の油圧室のパイロット圧が前記内ポペット弁にかか
るよう構成したことを特徴とするパイロットチェックバ
ルブ。In a pilot check valve consisting of a slidable piston and a poppet valve, the inner poppet valve is biased toward the piston by a spring, and the outer poppet valve is hollow inside and has a hole on the side of the valve head to allow communication between the inside and outside. 1. A pilot check valve, characterized in that the poppet valve is configured by slidably fitting the poppet valve, and the pilot pressure in the hydraulic chamber on the poppet valve side is applied to the inner poppet valve.
JP18651982U 1982-12-08 1982-12-08 pilot check valve Pending JPS5990670U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18651982U JPS5990670U (en) 1982-12-08 1982-12-08 pilot check valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18651982U JPS5990670U (en) 1982-12-08 1982-12-08 pilot check valve

Publications (1)

Publication Number Publication Date
JPS5990670U true JPS5990670U (en) 1984-06-19

Family

ID=30402856

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18651982U Pending JPS5990670U (en) 1982-12-08 1982-12-08 pilot check valve

Country Status (1)

Country Link
JP (1) JPS5990670U (en)

Similar Documents

Publication Publication Date Title
JPS5990670U (en) pilot check valve
JPS6075774U (en) pressure control valve
JPS5998168U (en) pressure control valve
JPS59182717U (en) pressure regulating valve
JPS59175763U (en) ball check valve
JPS5861976U (en) valve device
JPS5874602U (en) Servo valve device
JPS5844528U (en) Hydraulic 2-way valve
JPS5850333U (en) Hydraulic cushion device for vehicles
JPS6030014U (en) paint pressure reducing valve
JPS60117255U (en) master cylinder
JPS5954236U (en) hydraulic shock absorber
JPH01126478U (en)
JPS5879174U (en) bypass valve
JPS60134073U (en) Assembly of air pressure booster and master cylinder
JPS58191474U (en) relief valve
JPS5872544U (en) hydraulic shock absorber
JPS59123703U (en) Fluid pressure buffer valve for cargo handling vehicles
JPS5891072U (en) relief valve
JPS59133877U (en) hydraulic solenoid valve
JPS5990672U (en) relief valve
JPS59183505U (en) Hydraulic cylinder cushion mechanism
JPS5885555U (en) Hydraulic pressure control valve used in automobile braking mechanisms
JPS60184111U (en) Pressure reducing valve type pilot valve
JPS59163553U (en) Brake hydraulic pressure control valve