JPS61142960U - - Google Patents
Info
- Publication number
- JPS61142960U JPS61142960U JP2633885U JP2633885U JPS61142960U JP S61142960 U JPS61142960 U JP S61142960U JP 2633885 U JP2633885 U JP 2633885U JP 2633885 U JP2633885 U JP 2633885U JP S61142960 U JPS61142960 U JP S61142960U
- Authority
- JP
- Japan
- Prior art keywords
- seal ring
- sealing device
- sectional shape
- rectangular cross
- ring 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
- 238000007789 sealing Methods 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims 2
- 229920005989 resin Polymers 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Sealing Devices (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図はピストン溝に本考案シール装置を装着
しシリンダにセツトしたときの縦断面の一部を示
す図である。第２図は本考案のシール装置の段付
合口部を斜め上から見た図である。第３図は従来
のシール装置と本考案シール装置の気密性を比較
する図である。
図中、１……シリンダ、２……ピストン、３…
…シールシリンダ本体、４……バツクシールリン
グ、５……リング溝。
FIG. 1 is a partial longitudinal cross-sectional view showing the sealing device of the present invention installed in the piston groove and set in the cylinder. FIG. 2 is a view of the stepped opening of the sealing device of the present invention viewed diagonally from above. FIG. 3 is a diagram comparing the airtightness of the conventional sealing device and the sealing device of the present invention. In the figure, 1... cylinder, 2... piston, 3...
... Seal cylinder body, 4 ... Back seal ring, 5 ... Ring groove.
Claims (1)
つて、断面の形状が矩形をなし１個所に段付合口
部を有する樹脂製シールリング本体と、該シール
リング本体の内周面に対接される断面の形状が矩
形のエンドレスゴム製バツクシールリングとでな
り、該バツクシールリングが前記シールリング本
体をシリンダ壁に押圧する外張力を有し、且つ該
バツクシールリングとリング溝底との間にクリア
ランスが設けられていることを特徴とするシール
装置。 The sealing device is used by being attached to a ring groove, and includes a resin seal ring body having a rectangular cross-sectional shape and a stepped opening at one location, and a resin seal ring body that is in contact with the inner circumferential surface of the seal ring body. The back seal ring is made of endless rubber and has a rectangular cross-sectional shape, and the back seal ring has an external tension that presses the seal ring main body against the cylinder wall. A sealing device characterized in that a clearance is provided for.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2633885U JPS61142960U (en) | 1985-02-27 | 1985-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2633885U JPS61142960U (en) | 1985-02-27 | 1985-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61142960U true JPS61142960U (en) | 1986-09-03 |
Family
ID=30522253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2633885U Pending JPS61142960U (en) | 1985-02-27 | 1985-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61142960U (en) |
-
1985
- 1985-02-27 JP JP2633885U patent/JPS61142960U/ja active Pending