JPH0285070U - - Google Patents
Info
- Publication number
- JPH0285070U JPH0285070U JP1988165091U JP16509188U JPH0285070U JP H0285070 U JPH0285070 U JP H0285070U JP 1988165091 U JP1988165091 U JP 1988165091U JP 16509188 U JP16509188 U JP 16509188U JP H0285070 U JPH0285070 U JP H0285070U
- Authority
- JP
- Japan
- Prior art keywords
- lip
- rubber
- rubber lip
- type seal
- thermal expansion
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 229920003002 synthetic resin Polymers 0.000 claims description 2
- 239000000057 synthetic resin Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Description
第1図は本考案に係るリツプ型シールの一実施
例を示す要部概略的説明図、第2図は同じく高温
時の回転軸に対するゴム製リツプの面圧状態を示
す説明図、第3図は従来のリツプ型シールの要部
概略的説明図である。
S……回転軸、1……ゴム製リツプ、1a……
リツプ先端部、11……第1のゴム製リツプ素材
、12……第2のゴム製リツプ素材、2……合成
樹脂製リツプ、A……大気側、B……密封液側。
Fig. 1 is a schematic explanatory view of the main parts of an embodiment of the lip type seal according to the present invention, Fig. 2 is an explanatory view showing the surface pressure state of the rubber lip against the rotating shaft at high temperatures, and Fig. 3 1 is a schematic explanatory diagram of the main parts of a conventional lip type seal. S...Rotating shaft, 1...Rubber lip, 1a...
Lip tip, 11...first rubber lip material, 12...second rubber lip material, 2...synthetic resin lip, A...atmosphere side, B...sealing liquid side.
Claims (1)
ツプを、互いに熱膨張係数の異なる複数種のゴム
製リツプ素材で積層形成し、かつ密封液側に面す
るリツプ素材の熱膨張係数を大きくたことを特徴
とするリツプ型シール。 2 ゴム製リツプを2種類のゴム製リツプ素材で
形成し、かつその大気側を合成樹脂製リツプでバ
ツクアツプしたことを特徴とする請求項1記載の
リツプ型シール。[Claims for Utility Model Registration] 1. A rubber lip whose tip portion slides into contact with the periphery of a rotating shaft is formed by laminating multiple types of rubber lip materials with different coefficients of thermal expansion, and the sealing liquid side A lip type seal characterized by a large coefficient of thermal expansion of the facing lip material. 2. The lip type seal according to claim 1, wherein the rubber lip is formed from two types of rubber lip materials, and the atmosphere side is backed up with a synthetic resin lip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988165091U JPH0614143Y2 (en) | 1988-12-22 | 1988-12-22 | Lip seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988165091U JPH0614143Y2 (en) | 1988-12-22 | 1988-12-22 | Lip seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0285070U true JPH0285070U (en) | 1990-07-03 |
| JPH0614143Y2 JPH0614143Y2 (en) | 1994-04-13 |
Family
ID=31451264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988165091U Expired - Lifetime JPH0614143Y2 (en) | 1988-12-22 | 1988-12-22 | Lip seal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0614143Y2 (en) |
-
1988
- 1988-12-22 JP JP1988165091U patent/JPH0614143Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0614143Y2 (en) | 1994-04-13 |