JPH0444015U - - Google Patents

Info

Publication number
JPH0444015U
JPH0444015U JP8350890U JP8350890U JPH0444015U JP H0444015 U JPH0444015 U JP H0444015U JP 8350890 U JP8350890 U JP 8350890U JP 8350890 U JP8350890 U JP 8350890U JP H0444015 U JPH0444015 U JP H0444015U
Authority
JP
Japan
Prior art keywords
oil passage
main valve
side oil
pressure side
pressure
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
JP8350890U
Other languages
Japanese (ja)
Other versions
JPH082736Y2 (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 JP1990083508U priority Critical patent/JPH082736Y2/en
Publication of JPH0444015U publication Critical patent/JPH0444015U/ja
Application granted granted Critical
Publication of JPH082736Y2 publication Critical patent/JPH082736Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Control Of Fluid Pressure (AREA)

Description

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

第１図は本考案の圧力制御弁の第１実施例を示
す縦断面図、第２図は同考案の圧力制御弁の第２
実施例を示す縦断面図、第３図は従来の圧力制御
弁を示す縦断面図である。 １６，４５……圧力制御弁、１８，４２……ア
ンチキヤビテーシヨン用主弁（アンチキヤビ用主
弁）、１９……リリーフ用主弁、２０……高圧側
の油路、２１……タンク通路（低圧側の油路）、
２６……背圧室、２７……弁座体。 FIG. 1 is a vertical sectional view showing a first embodiment of the pressure control valve of the present invention, and FIG.
FIG. 3 is a vertical cross-sectional view showing a conventional pressure control valve. 16, 45...Pressure control valve, 18, 42...Main valve for anti-cavitation (main valve for anti-cavitation), 19...Main valve for relief, 20...High pressure side oil path, 21...Tank passage (low pressure side oil passage),
26... Back pressure chamber, 27... Valve seat body.

Claims (1)

【実用新案登録請求の範囲】 高圧側の油路と低圧側の油路の間に設けられて
おり、上記高圧側の油路の油圧が所定の高圧力以
上に上昇すると上記高圧側の油路と上記低圧側の
油路との間を開状態とするリリーフ用主弁と、上
記高圧側の油路の油圧が所定の低圧力以下に下降
すると上記高圧側の油路と上記低圧側の油路との
間を開状態とするアンチキヤビテーシヨン用主弁
とを具備する圧力制御弁において、 上記アンチキヤビテーシヨン用主弁を上記リリ
ーフ用主弁と分離して設けると共に上記アンチキ
ヤビテーシヨン用主弁の後段に上記リリーフ用主
弁を連接し、上記リリーフ用主弁を直動形とした
ことを特徴とする圧力制御弁。[Scope of Claim for Utility Model Registration] The oil passage is provided between a high pressure side oil passage and a low pressure side oil passage, and when the oil pressure of the high pressure side oil passage rises above a predetermined high pressure, the high pressure side oil passage and the above-mentioned low-pressure side oil passage, and when the oil pressure of the above-mentioned high-pressure side oil passage falls below a predetermined low pressure, the above-mentioned high-pressure side oil passage and the above-mentioned low-pressure side oil passage are closed. In the pressure control valve, the anti-cavitation main valve is provided separately from the relief main valve, and the anti-cavitation main valve is provided in an open state between the anti-cavitation main valve and the anti-cavitation main valve. A pressure control valve characterized in that the relief main valve is connected to the rear stage of the vitiation main valve, and the relief main valve is of a direct-acting type.
JP1990083508U 1990-08-06 1990-08-06 Pressure control valve Expired - Fee Related JPH082736Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990083508U JPH082736Y2 (en) 1990-08-06 1990-08-06 Pressure control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990083508U JPH082736Y2 (en) 1990-08-06 1990-08-06 Pressure control valve

Publications (2)

Publication Number Publication Date
JPH0444015U true JPH0444015U (en) 1992-04-14
JPH082736Y2 JPH082736Y2 (en) 1996-01-29

Family

ID=31814598

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990083508U Expired - Fee Related JPH082736Y2 (en) 1990-08-06 1990-08-06 Pressure control valve

Country Status (1)

Country Link
JP (1) JPH082736Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0215091U (en) * 1988-07-14 1990-01-30

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0215091U (en) * 1988-07-14 1990-01-30

Also Published As

Publication number Publication date
JPH082736Y2 (en) 1996-01-29

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees