JPH01166802U - - Google Patents
Info
- Publication number
- JPH01166802U JPH01166802U JP5674088U JP5674088U JPH01166802U JP H01166802 U JPH01166802 U JP H01166802U JP 5674088 U JP5674088 U JP 5674088U JP 5674088 U JP5674088 U JP 5674088U JP H01166802 U JPH01166802 U JP H01166802U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- seal
- cylinder
- gap
- sliding
- 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Actuator (AREA)
Description
第１図は本考案ピストン装置のシール構造の第
１実施例の構成を示す線図、第２図は本例のピス
トン装置を用いた油圧システムの一例の構成を示
す線図、第３図および第４図は夫々従来例および
その変形例のシール構造を示す線図である。
１……シリンダ、１ａ……油圧ポート、２……
ピストン、３，４……摺動シール、３ａ，４ａ…
…リツプ部、１０……シリンダ装置、１１……気
密シール。
FIG. 1 is a diagram showing the configuration of a first embodiment of the seal structure of the piston device of the present invention, FIG. 2 is a diagram showing the configuration of an example of a hydraulic system using the piston device of the present invention, and FIG. FIG. 4 is a diagram showing seal structures of a conventional example and a modification thereof, respectively. 1...Cylinder, 1a...Hydraulic port, 2...
Piston, 3, 4...Sliding seal, 3a, 4a...
...Rip portion, 10...Cylinder device, 11...Airtight seal.
Claims (1)
力室内に摺動自在に嵌合されたピストンと、前記
シリンダの周囲に装着され、前記ピストンとの間
の摺動面の隙間を常時密封する摺動シールとを具
えるピストン装置のシール構造において、 前記ピストンの周囲であつて、負圧により該ピ
ストンが前記圧力室内のストローク端まで摺動し
た際に前記摺動面の隙間を密封する位置に、気密
シールを設けたことを特徴とするピストン装置の
シール構造。[Claims for Utility Model Registration] A cylindrical cylinder, a piston slidably fitted into a pressure chamber defined by the cylinder, and a sliding movement between the cylinder and the piston. A seal structure for a piston device including a sliding seal that constantly seals a gap between surfaces, which is around the piston, and when the piston slides to the stroke end in the pressure chamber due to negative pressure, the sliding seal A seal structure for a piston device characterized by providing an airtight seal at a position that seals a gap between surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5674088U JPH01166802U (en) | 1988-04-28 | 1988-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5674088U JPH01166802U (en) | 1988-04-28 | 1988-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01166802U true JPH01166802U (en) | 1989-11-22 |
Family
ID=31282609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5674088U Pending JPH01166802U (en) | 1988-04-28 | 1988-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01166802U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003049806A (en) * | 2001-08-08 | 2003-02-21 | Kayaba Ind Co Ltd | Single acting cylinder |
| JP2009147689A (en) * | 2007-12-14 | 2009-07-02 | Ihi Corp | Sealing device for underwater sound source |
| JP2010144828A (en) * | 2008-12-18 | 2010-07-01 | Ckd Corp | Pneumatic device |
-
1988
- 1988-04-28 JP JP5674088U patent/JPH01166802U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003049806A (en) * | 2001-08-08 | 2003-02-21 | Kayaba Ind Co Ltd | Single acting cylinder |
| JP2009147689A (en) * | 2007-12-14 | 2009-07-02 | Ihi Corp | Sealing device for underwater sound source |
| JP2010144828A (en) * | 2008-12-18 | 2010-07-01 | Ckd Corp | Pneumatic device |