JPS5910502U - Double check valve for lift cylinder control - Google Patents

Double check valve for lift cylinder control

Info

Publication number
JPS5910502U
JPS5910502U JP10595082U JP10595082U JPS5910502U JP S5910502 U JPS5910502 U JP S5910502U JP 10595082 U JP10595082 U JP 10595082U JP 10595082 U JP10595082 U JP 10595082U JP S5910502 U JPS5910502 U JP S5910502U
Authority
JP
Japan
Prior art keywords
check valve
lift cylinder
check
double check
cylinder 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
JP10595082U
Other languages
Japanese (ja)
Inventor
村岡 虎雄
曽我 温方
井田 忠篤
隆之 西田
Original Assignee
東洋油圧機械株式会社
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 東洋油圧機械株式会社 filed Critical 東洋油圧機械株式会社
Priority to JP10595082U priority Critical patent/JPS5910502U/en
Publication of JPS5910502U publication Critical patent/JPS5910502U/en
Pending legal-status Critical Current

Links

Landscapes

  • Forklifts And Lifting Vehicles (AREA)
  • Fluid-Pressure Circuits (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 the drawing]

第1図は本考案のダブルチェック弁を合体したリフトシ
リンダ制御回路のブロック線図。第1A図は方向切換弁
の別の位置を示す図。第2図は本考案に係るダブルチェ
ック弁の一実施例め断面図である。 、1:リフトシリンダ、2:ピストン、5:第1チエツ
ク弁、6:第2チエツク弁、14. 15:パイロット
ライン。
FIG. 1 is a block diagram of a lift cylinder control circuit incorporating the double check valve of the present invention. FIG. 1A is a diagram showing another position of the directional control valve. FIG. 2 is a sectional view of an embodiment of the double check valve according to the present invention. , 1: lift cylinder, 2: piston, 5: first check valve, 6: second check valve, 14. 15: Pilot line.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] リフトシリンダ制御用のダブルチェック弁において、チ
ェックボール及びチェックボール側御ピ゛   ストン
をそれぞれ有する第1及び第2のチェック弁を有し、第
1チエツク弁のピストン室と第2チエツク弁のチェック
ボール室とを連通ずる第1パイロツトラインと、第1チ
エツク弁のチェックボール室と第2チエツク弁のピスト
ン室とを連通ずる第2パイロツトラインとをも備え、該
第1及び第2パイロツトラインをリフトシリンダのピス
トンの両側の室へそれぞれ通じるように構成して成るダ
ブルチェック弁。
A double check valve for controlling a lift cylinder has first and second check valves each having a check ball and a check ball side control piston, and the piston chamber of the first check valve and the check ball of the second check valve are connected to each other. and a second pilot line that communicates the check ball chamber of the first check valve with the piston chamber of the second check valve. A double check valve configured to communicate with chambers on both sides of the piston of a cylinder.
JP10595082U 1982-07-13 1982-07-13 Double check valve for lift cylinder control Pending JPS5910502U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10595082U JPS5910502U (en) 1982-07-13 1982-07-13 Double check valve for lift cylinder control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10595082U JPS5910502U (en) 1982-07-13 1982-07-13 Double check valve for lift cylinder control

Publications (1)

Publication Number Publication Date
JPS5910502U true JPS5910502U (en) 1984-01-23

Family

ID=30248139

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10595082U Pending JPS5910502U (en) 1982-07-13 1982-07-13 Double check valve for lift cylinder control

Country Status (1)

Country Link
JP (1) JPS5910502U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008539377A (en) * 2005-04-28 2008-11-13 ベスローテン・フェンノートシャップ・ホルマトロ・インダストリアル・イクウィップメント Tool with hydraulic valve system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5111190U (en) * 1974-07-11 1976-01-27
JPS53478A (en) * 1976-06-23 1978-01-06 Toshiba Corp Gas centrifuge
JPS5670105A (en) * 1979-11-13 1981-06-11 Mitsuwa Seiki Co Ltd Oil jack

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5111190U (en) * 1974-07-11 1976-01-27
JPS53478A (en) * 1976-06-23 1978-01-06 Toshiba Corp Gas centrifuge
JPS5670105A (en) * 1979-11-13 1981-06-11 Mitsuwa Seiki Co Ltd Oil jack

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008539377A (en) * 2005-04-28 2008-11-13 ベスローテン・フェンノートシャップ・ホルマトロ・インダストリアル・イクウィップメント Tool with hydraulic valve system

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