JPS6237604U - - Google Patents
Info
- Publication number
- JPS6237604U JPS6237604U JP12871585U JP12871585U JPS6237604U JP S6237604 U JPS6237604 U JP S6237604U JP 12871585 U JP12871585 U JP 12871585U JP 12871585 U JP12871585 U JP 12871585U JP S6237604 U JPS6237604 U JP S6237604U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- rod member
- stage
- cylinder part
- main body
- 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
Landscapes
- Actuator (AREA)
Description
第１図は、本考案における多段シリンダの一実
施例を示す断面図、第２図は本考案における実施
例の作用を示す説明図、第３図はジヤツキアツプ
工法における従来例の説明図、第４図は一般的な
油圧ジヤツキの構造を示す断面図である。
１１……本体、１２……１段パワーロツド兼２
段シリンダ、１３……シリンダ部、１４……止め
輪、１８，１９，２０，２３，２４……ポート、
２５……選択弁、２５……２段パワーロツド、２
７……シリンダ部、２８……止め輪、３２……受
圧部、３５……受圧部。
Fig. 1 is a sectional view showing an embodiment of a multi-stage cylinder according to the present invention, Fig. 2 is an explanatory view showing the operation of the embodiment according to the present invention, Fig. 3 is an explanatory view of a conventional example in the jack up method, and Fig. 4 The figure is a sectional view showing the structure of a general hydraulic jack. 11...Main body, 12...1 stage power rod and 2
Stage cylinder, 13...Cylinder part, 14...Retaining ring, 18, 19, 20, 23, 24...Port,
25... Selection valve, 25... 2-stage power rod, 2
7...Cylinder part, 28...Retaining ring, 32...Pressure receiving part, 35...Pressure receiving part.
Claims (1)
弁を介して供給圧を任意の方向に伝達する複数の
ポート孔を具えた本体と、内側にシリンダ部と該
シリンダ部を連通するポート孔を有し上記本体の
シリンダ部に摺動可能に嵌挿された１段目ロツド
部材と、同ロツド部材のシリンダ部に摺動可能に
嵌挿された２段目ロツド部材を具備したことを特
徴とする多段シリンダ。 A main body having a cylinder part and a plurality of port holes for transmitting supply pressure in any direction via a selection valve provided at one lower end, and a cylinder part and a port hole communicating with the cylinder part inside. A first stage rod member is slidably fitted into the cylinder portion of the main body, and a second stage rod member is slidably fitted into the cylinder portion of the rod member. Multi-stage cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12871585U JPS6237604U (en) | 1985-08-23 | 1985-08-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12871585U JPS6237604U (en) | 1985-08-23 | 1985-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6237604U true JPS6237604U (en) | 1987-03-05 |
Family
ID=31024629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12871585U Pending JPS6237604U (en) | 1985-08-23 | 1985-08-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6237604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002520546A (en) * | 1998-07-08 | 2002-07-09 | アロ | Actuator that realizes a preliminary approach stroke and a working stroke for operating the tool |
-
1985
- 1985-08-23 JP JP12871585U patent/JPS6237604U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002520546A (en) * | 1998-07-08 | 2002-07-09 | アロ | Actuator that realizes a preliminary approach stroke and a working stroke for operating the tool |