JPS6378705U - - Google Patents
Info
- Publication number
- JPS6378705U JPS6378705U JP17303686U JP17303686U JPS6378705U JP S6378705 U JPS6378705 U JP S6378705U JP 17303686 U JP17303686 U JP 17303686U JP 17303686 U JP17303686 U JP 17303686U JP S6378705 U JPS6378705 U JP S6378705U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- cylinder
- chamber
- upper chamber
- hydraulic cylinder
- 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
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Actuator (AREA)
Description
第１図は、本考案の実施例に係る油圧シリンダ
の一部切欠き縦断面図、第２図は、従来例として
の油圧シリンダを部分的に示す断面図である。
１……シリンダ、１ａ……給排口、２……ピス
トン、２ａ，２ｂ……立ち上り部、２ｃ……ウエ
アーリング、２ｄ……ポート、２ｅ……シールリ
ング、３……ピストンロツド、４ａ……エアー抜
き用の凹溝、Ａ……上方室、Ｂ……下方室、Ｃ…
…空気室。
FIG. 1 is a partially cutaway vertical sectional view of a hydraulic cylinder according to an embodiment of the present invention, and FIG. 2 is a partially sectional view showing a conventional hydraulic cylinder. 1... Cylinder, 1a... Supply/discharge port, 2... Piston, 2a, 2b... Rising part, 2c... Wear ring, 2d... Port, 2e... Seal ring, 3... Piston rod, 4a... Concave groove for air release, A...upper chamber, B...lower chamber, C...
...Air chamber.
Claims (1)
が移動自在に挿入され、ピストンはシリンダ内に
上方室と下方室を区画し、上方室の上部には空気
室を設け、更に上方室と下方室はシリンダの上下
部に設けた給排口と閉回路を介して接続している
油圧シリンダに於て、ピストンの外周にウエアー
リングとシールリングを設け、同じくピストンに
はこれらウエアーリングとシールリング間に一端
が開口し、他端が上方室に開口するポートを設け
たことを特徴とする油圧シリンダ。 A piston rod is movably inserted into the cylinder via a piston, and the piston divides the cylinder into an upper chamber and a lower chamber, an air chamber is provided above the upper chamber, and the upper and lower chambers are located above and below the cylinder. In a hydraulic cylinder, which is connected via a closed circuit to a supply/discharge port provided in the piston, a wear ring and a seal ring are provided around the outer circumference of the piston, and one end of the piston is open between the wear ring and the seal ring. A hydraulic cylinder characterized in that the other end is provided with a port that opens into an upper chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17303686U JPS6378705U (en) | 1986-11-11 | 1986-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17303686U JPS6378705U (en) | 1986-11-11 | 1986-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6378705U true JPS6378705U (en) | 1988-05-25 |
Family
ID=31110124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17303686U Pending JPS6378705U (en) | 1986-11-11 | 1986-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6378705U (en) |
-
1986
- 1986-11-11 JP JP17303686U patent/JPS6378705U/ja active Pending