JPH0386202U - - Google Patents

Info

Publication number
JPH0386202U
JPH0386202U JP14855889U JP14855889U JPH0386202U JP H0386202 U JPH0386202 U JP H0386202U JP 14855889 U JP14855889 U JP 14855889U JP 14855889 U JP14855889 U JP 14855889U JP H0386202 U JPH0386202 U JP H0386202U
Authority
JP
Japan
Prior art keywords
passage
cylinder
spool
pump
tank
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
JP14855889U
Other languages
Japanese (ja)
Other versions
JPH0744803Y2 (en
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 filed Critical
Priority to JP1989148558U priority Critical patent/JPH0744803Y2/en
Publication of JPH0386202U publication Critical patent/JPH0386202U/ja
Application granted granted Critical
Publication of JPH0744803Y2 publication Critical patent/JPH0744803Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Fluid-Pressure Circuits (AREA)

Description

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

第１図は本考案の油圧制御バルブの平面図、第
２図は同じく側面図、第３図は同じく平面断面図
、第４図は同じく側面断面図、第５図は同じく油
圧回路図、第６図は操作位置を示す図面である。 １……緩速絞り弁、２……スプール、２ａ，２
ｂ……切欠き、３……リリーフバルブ、４……チ
エツクバルブ、５……スプール付勢バネ、６……
バルブケース、イ……シリンダー通路、ロ……ポ
ンプ通路、ハ……タンク通路。 Fig. 1 is a plan view of the hydraulic control valve of the present invention, Fig. 2 is a side view, Fig. 3 is a plan sectional view, Fig. 4 is a side sectional view, and Fig. 5 is a hydraulic circuit diagram. FIG. 6 is a drawing showing the operating position. 1... Slow throttle valve, 2... Spool, 2a, 2
b... Notch, 3... Relief valve, 4... Check valve, 5... Spool biasing spring, 6...
Valve case, A...Cylinder passage, B...Pump passage, C...Tank passage.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダー通路イとポンプ通路ロの間に配され
たスプール２であつて、シリンダー通路イをタン
ク通路ハへ連通・絞り連通・遮断の切換選択をす
ると共に、ポンプ通路ロをタンク通路ハへ連通・
絞り連通・遮断の切換選択をするスプール２を設
け、該ポンプ通路ロとシリンダー通路イの間にお
いて、前記スプール２と並列に、シリンダー方向
にのみ開くことが可能なチエツクバルブ４を設け
たことを特徴とする油圧制御バルブ構造。 The spool 2 is arranged between the cylinder passage A and the pump passage B, and is used to select whether to communicate, restrict communication, or cut off the cylinder passage A to the tank passage C, and to connect the pump passage B to the tank passage C.
A spool 2 is provided to select between throttle communication and cutoff, and a check valve 4 that can be opened only in the direction of the cylinder is provided in parallel with the spool 2 between the pump passage A and the cylinder passage A. Features a hydraulic control valve structure.
JP1989148558U 1989-12-21 1989-12-21 Hydraulic control valve structure Expired - Lifetime JPH0744803Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989148558U JPH0744803Y2 (en) 1989-12-21 1989-12-21 Hydraulic control valve structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989148558U JPH0744803Y2 (en) 1989-12-21 1989-12-21 Hydraulic control valve structure

Publications (2)

Publication Number Publication Date
JPH0386202U true JPH0386202U (en) 1991-08-30
JPH0744803Y2 JPH0744803Y2 (en) 1995-10-11

Family

ID=31695003

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989148558U Expired - Lifetime JPH0744803Y2 (en) 1989-12-21 1989-12-21 Hydraulic control valve structure

Country Status (1)

Country Link
JP (1) JPH0744803Y2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55152973A (en) * 1979-05-16 1980-11-28 Toshiba Corp Oil hydraulic pressure control valve
JPS61201901A (en) * 1985-03-06 1986-09-06 Taiyo Tekko Kk Valve device
JPS62297507A (en) * 1986-06-17 1987-12-24 Honda Motor Co Ltd Control valve device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55152973A (en) * 1979-05-16 1980-11-28 Toshiba Corp Oil hydraulic pressure control valve
JPS61201901A (en) * 1985-03-06 1986-09-06 Taiyo Tekko Kk Valve device
JPS62297507A (en) * 1986-06-17 1987-12-24 Honda Motor Co Ltd Control valve device

Also Published As

Publication number Publication date
JPH0744803Y2 (en) 1995-10-11

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Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term