JPS6296166U - - Google Patents
Info
- Publication number
- JPS6296166U JPS6296166U JP1985188543U JP18854385U JPS6296166U JP S6296166 U JPS6296166 U JP S6296166U JP 1985188543 U JP1985188543 U JP 1985188543U JP 18854385 U JP18854385 U JP 18854385U JP S6296166 U JPS6296166 U JP S6296166U
- Authority
- JP
- Japan
- Prior art keywords
- protrusions
- protrusion
- sliding surface
- axial direction
- oil seal
- 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 2
- 238000002485 combustion reaction Methods 0.000 description 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Description
第１図は、本考案の第１実施例によるオイルシ
ールの断面図、第２図は、第１図のリツプ部の摺
動面の拡大図、第３図は、本考案の第１実施例に
よるオイルシールを装着した内燃機関の断面図、
第４図は、本考案の第１実施例によるオイルシー
ルの作用を説明するために用いられた図、第５図
は、本考案の第２実施例によるオイルシールのリ
ツプ部の摺動面の拡大図、第６図は、従来のオイ
ルシールの断面図、第７図は、第６図のリツプ部
の摺動面の拡大図。
２……オイルシール、７……軸受、１７……リ
ツプ部、１７ａ……摺動面、２０……第１突起、
２１……第２突起。
Fig. 1 is a sectional view of an oil seal according to a first embodiment of the present invention, Fig. 2 is an enlarged view of the sliding surface of the lip portion of Fig. 1, and Fig. 3 is a cross-sectional view of an oil seal according to a first embodiment of the present invention. Cross-sectional view of an internal combustion engine equipped with an oil seal according to
FIG. 4 is a diagram used to explain the operation of the oil seal according to the first embodiment of the present invention, and FIG. 5 is a diagram showing the sliding surface of the lip portion of the oil seal according to the second embodiment of the present invention. An enlarged view, FIG. 6 is a sectional view of a conventional oil seal, and FIG. 7 is an enlarged view of the sliding surface of the lip portion in FIG. 6. 2... Oil seal, 7... Bearing, 17... Lip portion, 17a... Sliding surface, 20... First protrusion,
21...Second protrusion.
Claims (1)
ールにおいて、軸線方向に対して一様に傾斜する
複数の第１突起を前記摺動面の円周方向に沿つて
配列するとともに、前記第１突起と軸線方向に対
して反対側に傾斜した複数の第２突起を前記第１
突起の配列群より軸受側と反対の軸方向に間隔を
開けて配列し、前記第１突起及び前記第２突起と
もに互いに対向する位置にある一端面より他端面
を軸の回転軸に偏位させることを特徴とするオイ
ルシール。 In the oil seal in which the annular sliding surface of the lip portion is machined, a plurality of first protrusions that are uniformly inclined with respect to the axial direction are arranged along the circumferential direction of the sliding surface, and the first projections are arranged along the circumferential direction of the sliding surface. A plurality of second protrusions inclined in the opposite direction with respect to the axial direction of the protrusions are connected to the first protrusion.
The protrusions are arranged at intervals in the axial direction opposite to the bearing side from the arrangement group, and the first protrusion and the second protrusion are both located at positions facing each other, and the other end surface is offset from the one end surface to the rotation axis of the shaft. An oil seal characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985188543U JPS6296166U (en) | 1985-12-06 | 1985-12-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985188543U JPS6296166U (en) | 1985-12-06 | 1985-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6296166U true JPS6296166U (en) | 1987-06-19 |
Family
ID=31140002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985188543U Pending JPS6296166U (en) | 1985-12-06 | 1985-12-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6296166U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09177988A (en) * | 1995-12-27 | 1997-07-11 | Koyo Seiko Co Ltd | Oil seal |
| JPH11311338A (en) * | 1998-02-27 | 1999-11-09 | Nok Corp | Oil seal |
| JP2013228075A (en) * | 2012-04-27 | 2013-11-07 | Nok Corp | Sealing device |
| JP2014009753A (en) * | 2012-06-29 | 2014-01-20 | Nok Corp | Sealing device |
| US8647085B2 (en) | 2010-07-07 | 2014-02-11 | Hitachi Industrial Equipment Systems Co., Ltd. | Scroll fluid machine having a communication passage between an inner periphery of lip seal and an outer periphery of drive shaft or ring |
| JP2014092244A (en) * | 2012-11-06 | 2014-05-19 | Nok Corp | Sealing device |
| JP2016084819A (en) * | 2010-07-07 | 2016-05-19 | 株式会社日立産機システム | Scroll type fluid machine |
-
1985
- 1985-12-06 JP JP1985188543U patent/JPS6296166U/ja active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09177988A (en) * | 1995-12-27 | 1997-07-11 | Koyo Seiko Co Ltd | Oil seal |
| JPH11311338A (en) * | 1998-02-27 | 1999-11-09 | Nok Corp | Oil seal |
| US8647085B2 (en) | 2010-07-07 | 2014-02-11 | Hitachi Industrial Equipment Systems Co., Ltd. | Scroll fluid machine having a communication passage between an inner periphery of lip seal and an outer periphery of drive shaft or ring |
| JP2016084819A (en) * | 2010-07-07 | 2016-05-19 | 株式会社日立産機システム | Scroll type fluid machine |
| JP2013228075A (en) * | 2012-04-27 | 2013-11-07 | Nok Corp | Sealing device |
| JP2014009753A (en) * | 2012-06-29 | 2014-01-20 | Nok Corp | Sealing device |
| JP2014092244A (en) * | 2012-11-06 | 2014-05-19 | Nok Corp | Sealing device |
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