JPH0191103U - - Google Patents

Info

Publication number
JPH0191103U
JPH0191103U JP18795887U JP18795887U JPH0191103U JP H0191103 U JPH0191103 U JP H0191103U JP 18795887 U JP18795887 U JP 18795887U JP 18795887 U JP18795887 U JP 18795887U JP H0191103 U JPH0191103 U JP H0191103U
Authority
JP
Japan
Prior art keywords
valve
check valve
operating check
electromagnetic
control device
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
JP18795887U
Other languages
Japanese (ja)
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 JP18795887U priority Critical patent/JPH0191103U/ja
Publication of JPH0191103U publication Critical patent/JPH0191103U/ja
Priority to US07/499,031 priority patent/US5048395A/en
Pending legal-status Critical Current

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Landscapes

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

Description

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

図面第１，２図はこの考案の実施例を示すもの
で、第１図は断面図、第２図は回路図、第３，４
図は従来装置を示すもので、第３図は断面図、第
４図は回路図である。 １…スプール弁、２…シリンダポート、４…オ
ペレートチエツク弁、４ａ…ポペツト、５…パイ
ロツト室、１３…戻り通路、１５…オリフイス、
１７…電磁オン・オフ弁、２１…バイパス通路、
２２…開閉弁。 Drawings 1 and 2 show an embodiment of this invention, in which Fig. 1 is a sectional view, Fig. 2 is a circuit diagram, and Fig. 3 and 4 are diagrams.
The figures show a conventional device, with FIG. 3 being a sectional view and FIG. 4 being a circuit diagram. 1... Spool valve, 2... Cylinder port, 4... Operate check valve, 4a... Poppet, 5... Pilot chamber, 13... Return passage, 15... Orifice,
17... Solenoid on/off valve, 21... Bypass passage,
22...Opening/closing valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] スプール弁のシリンダポート側にオペレートチ
エツク弁を設け、このオペレートチエツク弁のポ
ペツトに、このオペレートチエツク弁のパイロツ
ト室に連通するオリフイスを形成するとともに、
このパイロツト室を、電磁オン・オフ弁を介して
戻り通路に連通してなる制御装置において、電磁
オン・オフ弁の開閉に関係なく戻り通路に連通す
るバイパス通路を形成し、このバイパス通路に開
閉弁を備えたシリンダの制御装置。 An operating check valve is provided on the cylinder port side of the spool valve, and an orifice communicating with the pilot chamber of the operating check valve is formed in the poppet of the operating check valve.
In a control device in which this pilot chamber is communicated with a return passage via an electromagnetic on/off valve, a bypass passage is formed that communicates with the return passage regardless of whether the electromagnetic on/off valve is opened or closed. Control device for cylinders with valves.
JP18795887U 1987-07-07 1987-12-10 Pending JPH0191103U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP18795887U JPH0191103U (en) 1987-12-10 1987-12-10
US07/499,031 US5048395A (en) 1987-07-07 1990-03-26 Control device for cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18795887U JPH0191103U (en) 1987-12-10 1987-12-10

Publications (1)

Publication Number Publication Date
JPH0191103U true JPH0191103U (en) 1989-06-15

Family

ID=31479087

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18795887U Pending JPH0191103U (en) 1987-07-07 1987-12-10

Country Status (1)

Country Link
JP (1) JPH0191103U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1070853A1 (en) 1999-07-23 2001-01-24 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Cylinder control device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5522587B2 (en) * 1978-07-07 1980-06-18
JPS5934082A (en) * 1982-08-18 1984-02-24 Sanyo Electric Co Ltd Flow path control device
JPS60136684A (en) * 1983-12-23 1985-07-20 Matsushita Electric Works Ltd Solenoid-valve apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5522587B2 (en) * 1978-07-07 1980-06-18
JPS5934082A (en) * 1982-08-18 1984-02-24 Sanyo Electric Co Ltd Flow path control device
JPS60136684A (en) * 1983-12-23 1985-07-20 Matsushita Electric Works Ltd Solenoid-valve apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1070853A1 (en) 1999-07-23 2001-01-24 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Cylinder control device
US6371006B1 (en) 1999-07-23 2002-04-16 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Cylinder control device

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