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
Links
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Forklifts And Lifting Vehicles (AREA)
- Fluid-Pressure Circuits (AREA)
Description
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)
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.
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)
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)
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 |
-
1987
- 1987-12-10 JP JP18795887U patent/JPH0191103U/ja active Pending
Patent Citations (3)
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)
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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