JPS63139364U - - Google Patents
Info
- Publication number
- JPS63139364U JPS63139364U JP1987032303U JP3230387U JPS63139364U JP S63139364 U JPS63139364 U JP S63139364U JP 1987032303 U JP1987032303 U JP 1987032303U JP 3230387 U JP3230387 U JP 3230387U JP S63139364 U JPS63139364 U JP S63139364U
- Authority
- JP
- Japan
- Prior art keywords
- inner diameter
- sealing
- circumferential groove
- base part
- sealing cup
- 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 14
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Description
第１図は本考案実施例によるシーリングカツプ
の断面図、第２図は第１図の要部断面図及びシー
リングしたときのシール面にかかる面圧分布曲線
を示す説明図、第３図は従来技術によるシーリン
グカツプの断面図、第４図は第３図の要部断面図
及びシーリングしたときのシール面にかかる面圧
分布曲線を示す説明図、第５図はシール面が平坦
な通常のシーリングカツプの要部断面図及びシー
リングしたときのシール面にかかる面圧分布曲線
を示す説明図である。
１……シーリングカツプ、１ｃ……内径リツプ
部、１ｄ……内径ベース部、１ｅ……シール面、
１ｆ……内径リツプ部と内径ベース部と結ぶ接線
。
Fig. 1 is a sectional view of a sealing cup according to an embodiment of the present invention, Fig. 2 is a sectional view of the main part of Fig. 1 and an explanatory diagram showing a surface pressure distribution curve applied to the sealing surface when sealing is performed, and Fig. 3 is a conventional one. A cross-sectional view of a sealing cup according to the technology. Figure 4 is a cross-sectional view of the main part of Figure 3 and an explanatory diagram showing the surface pressure distribution curve applied to the sealing surface when sealed. Figure 5 is a normal seal with a flat sealing surface. FIG. 3 is a cross-sectional view of the main part of the cup and an explanatory diagram showing a surface pressure distribution curve applied to the sealing surface when sealed. 1...Sealing cup, 1c...Inner diameter lip part, 1d...Inner diameter base part, 1e...Sealing surface,
1f...Tangential line connecting the inner lip and the inner base.
Claims (1)
た周方向溝内に配置されるＵ形断面のシーリング
カツプにおいて、前記周方向の溝内に配置された
とき、前記周方向溝の底面に接するシール面が内
径リツプ部と内径ベース部とに亘り形成され、前
記内径リツプ部と前記内径ベース部とを結ぶシー
ル面を、前記内径リツプ部と前記内径ベース部と
を結ぶ接線に対し中凹の湾曲形状とした、シーリ
ングカツプ。 In a sealing cup having a U-shaped cross section that is disposed in a circumferential groove formed in either the cylinder or the piston, when the sealing cup is disposed in the circumferential groove, the sealing surface that contacts the bottom surface of the circumferential groove is A sealing surface formed across an inner diameter lip part and an inner diameter base part, and connecting the inner diameter lip part and the inner diameter base part, has a curved shape having a concave shape with respect to a tangent connecting the inner diameter lip part and the inner diameter base part. Sealing cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987032303U JPS63139364U (en) | 1987-03-05 | 1987-03-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987032303U JPS63139364U (en) | 1987-03-05 | 1987-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63139364U true JPS63139364U (en) | 1988-09-13 |
Family
ID=30838855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987032303U Pending JPS63139364U (en) | 1987-03-05 | 1987-03-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63139364U (en) |
-
1987
- 1987-03-05 JP JP1987032303U patent/JPS63139364U/ja active Pending