JPH0427202U - - Google Patents
Info
- Publication number
- JPH0427202U JPH0427202U JP6814690U JP6814690U JPH0427202U JP H0427202 U JPH0427202 U JP H0427202U JP 6814690 U JP6814690 U JP 6814690U JP 6814690 U JP6814690 U JP 6814690U JP H0427202 U JPH0427202 U JP H0427202U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- piston
- diameter part
- hydraulic
- 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
- 238000007599 discharging Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 239000010720 hydraulic oil Substances 0.000 claims 1
Landscapes
- Actuator (AREA)
Description
第1図は本考案の実施例による油圧シリンダー
を示す断面図、第2図A,Bは、従来の単動型油
圧シリンダーの2つの状態を示す側面図である。
図において、1……ピストン、2……シリンダ
ー、3……ロツドカバー、4……ヘツドカバー、
5……ピストンシール、7……シリンダーシール
、8……ロツドシール、10……空間領域、11
……異物排出ポート。
FIG. 1 is a sectional view showing a hydraulic cylinder according to an embodiment of the present invention, and FIGS. 2A and 2B are side views showing two states of a conventional single-acting hydraulic cylinder. In the figure, 1... Piston, 2... Cylinder, 3... Rod cover, 4... Head cover,
5... Piston seal, 7... Cylinder seal, 8... Rod seal, 10... Spatial area, 11
...Foreign matter evacuation port.
Claims (1)
囲んだ空間領域内に作動油を導入することによつ
て前記シリンダーを後退位置から前進位置へ駆動
する油圧シリンダーであつて、 前記後退位置での前記空間領域に接して作動油
の排出を行うことのできるポートが設けられてい
る油圧シリンダー。 (2) 前記シリンダーは前記ピストンがその上を
滑動する小径部と前記ロツドカバーを取り付ける
大径部を有し、前記ポートは前記シリンダーの大
径部に形成され、前記ピストンは後退位置におい
て前記大径部に接する位置にピストンシールを有
する請求項1記載の油圧シリンダー。[Claims for Utility Model Registration] (1) A hydraulic cylinder that drives the cylinder from a backward position to a forward position by introducing hydraulic oil into a spatial region surrounded by a piston, a cylinder, and a rod cover, The hydraulic cylinder is provided with a port that is in contact with the spatial region in the retracted position and is capable of discharging hydraulic fluid. (2) the cylinder has a small diameter part on which the piston slides and a large diameter part on which the rod cover is mounted; the port is formed in the large diameter part of the cylinder; and the piston has a small diameter part on which the piston slides; 2. The hydraulic cylinder according to claim 1, further comprising a piston seal at a position in contact with the piston seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6814690U JPH0427202U (en) | 1990-06-27 | 1990-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6814690U JPH0427202U (en) | 1990-06-27 | 1990-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0427202U true JPH0427202U (en) | 1992-03-04 |
Family
ID=31602334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6814690U Pending JPH0427202U (en) | 1990-06-27 | 1990-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0427202U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4816073U (en) * | 1971-07-05 | 1973-02-23 | ||
| JPS5711313B2 (en) * | 1976-12-28 | 1982-03-03 |
-
1990
- 1990-06-27 JP JP6814690U patent/JPH0427202U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4816073U (en) * | 1971-07-05 | 1973-02-23 | ||
| JPS5711313B2 (en) * | 1976-12-28 | 1982-03-03 |