JPH0160800U - - Google Patents
Info
- Publication number
- JPH0160800U JPH0160800U JP15671987U JP15671987U JPH0160800U JP H0160800 U JPH0160800 U JP H0160800U JP 15671987 U JP15671987 U JP 15671987U JP 15671987 U JP15671987 U JP 15671987U JP H0160800 U JPH0160800 U JP H0160800U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- support
- cylinder
- supply path
- pressure supply
- 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
Links
- 230000005484 gravity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 1
Landscapes
- Control Of Presses (AREA)
Description
第１図は本考案の一実施例を示す概略構成説明
図、第２図は他の実施例を示す概略構成説明図、
第３図および第４図は従来例を示す概略構成説明
図である。
１……シリンダ、２……ピストン、３……ピス
トンロツド、４……ワーク、５，５ａ，５ｂ……
軸孔、６，７……室、８……主回路、９……圧力
源、１０……方向制御弁、１１ａ，１１ｂ，２０
……ソレノイド、１２，１３，１３ａ，１３ｂ，
１４，１５……パツキン、１６……支持圧力供給
路、１７，１８……ポート、１９……制御弁、２
１……チエツク弁、２２……連絡ポート、２３…
…溝、２４……ドレンポート、２５……ブラケツ
ト、２６……スライド部材。
FIG. 1 is a schematic structural explanatory diagram showing one embodiment of the present invention, FIG. 2 is a schematic structural explanatory diagram showing another embodiment,
3 and 4 are schematic structural explanatory diagrams showing a conventional example. 1... Cylinder, 2... Piston, 3... Piston rod, 4... Work, 5, 5a, 5b...
Shaft hole, 6, 7... Chamber, 8... Main circuit, 9... Pressure source, 10... Directional control valve, 11a, 11b, 20
...Solenoid, 12, 13, 13a, 13b,
14, 15...Packing, 16...Support pressure supply path, 17, 18...Port, 19...Control valve, 2
1...Check valve, 22...Communication port, 23...
...Groove, 24...Drain port, 25...Bracket, 26...Slide member.
Claims (1)
，７への印加圧力の切換えによつて重力方向およ
び反重力方向へ往復動作する機器において、ピス
トン２から延びるピストンロツド３が気密挿通さ
れる軸孔５内を経由して圧力源９からシリンダ１
内へ延びピストン２を重力に抗して支承する圧力
を供給する支持圧力供給路１６を設けるとともに
、ピストン２が所定の位置にあるときにのみ前記
支持圧力供給路１６を導通させる連絡ポート２２
をピストンロツド３に設けたことを特徴とする自
重による降下の防止装置。 Chambers 6 on both sides of the piston 2 in the cylinder 1
, 7, the piston rod 3 extending from the piston 2 is airtightly inserted into the shaft hole 5, and the pressure source 9 is transferred to the cylinder 1.
A communication port 22 is provided with a support pressure supply path 16 that extends inward and supplies pressure to support the piston 2 against gravity, and allows the support pressure supply path 16 to conduct only when the piston 2 is in a predetermined position.
A device for preventing descent due to its own weight, characterized in that the piston rod 3 is provided with:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15671987U JPH0534876Y2 (en) | 1987-10-15 | 1987-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15671987U JPH0534876Y2 (en) | 1987-10-15 | 1987-10-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0160800U true JPH0160800U (en) | 1989-04-18 |
| JPH0534876Y2 JPH0534876Y2 (en) | 1993-09-03 |
Family
ID=31435510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15671987U Expired - Lifetime JPH0534876Y2 (en) | 1987-10-15 | 1987-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0534876Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001314070A (en) * | 2000-04-28 | 2001-11-09 | Nok Corp | Solenoid |
| JP2013502556A (en) * | 2009-08-18 | 2013-01-24 | レイセオン カンパニー | Expansion tube separation device |
-
1987
- 1987-10-15 JP JP15671987U patent/JPH0534876Y2/ja not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001314070A (en) * | 2000-04-28 | 2001-11-09 | Nok Corp | Solenoid |
| JP2013502556A (en) * | 2009-08-18 | 2013-01-24 | レイセオン カンパニー | Expansion tube separation device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0534876Y2 (en) | 1993-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0160800U (en) | ||
| JPS63141303U (en) | ||
| JPS6271075U (en) | ||
| JPH0393661U (en) | ||
| JPH0171240U (en) | ||
| JPS63160986U (en) | ||
| JPS5874602U (en) | Servo valve device | |
| JPS6390696U (en) | ||
| JPS63152904U (en) | ||
| JPS5814636U (en) | hydraulic operating device | |
| JPS633503U (en) | ||
| JPS62163308U (en) | ||
| JPS63121802U (en) | ||
| JPS628300U (en) | ||
| JPS63123803U (en) | ||
| JPS5910502U (en) | Double check valve for lift cylinder control | |
| JPS61139319U (en) | ||
| JPH0198905U (en) | ||
| JPH0377004U (en) | ||
| JPH0344534U (en) | ||
| JPS59120799U (en) | Hydraulic circuit for forklift tilt cylinder | |
| JPS6327768U (en) | ||
| JPH0382398U (en) | ||
| JPS5939110U (en) | Double acting cylinder with control valve | |
| JPS6360745U (en) |