JPH0418763U - - Google Patents
Info
- Publication number
- JPH0418763U JPH0418763U JP1990059819U JP5981990U JPH0418763U JP H0418763 U JPH0418763 U JP H0418763U JP 1990059819 U JP1990059819 U JP 1990059819U JP 5981990 U JP5981990 U JP 5981990U JP H0418763 U JPH0418763 U JP H0418763U
- Authority
- JP
- Japan
- Prior art keywords
- group
- tip edge
- inclined surface
- side inclined
- ribs
- 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
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Description
第１図はこの考案の一実施例の両方向回転用オ
イルシールの要部斜視図、第２図及び第３図は軸
への組み込み途中の状態を示す要部断面図、第４
図ないし第６図はそれぞれ他の実施例の両方向回
転用オイルシールの要部斜視図、第７図は従来の
一方向回転用オイルシールの要部斜視図、第８図
はそのシールリツプ先端縁の接触状態を示す概略
図、第９図は従来の両方向回転用オイルシールの
要部斜視図である。
３……シールリツプ、３ａ……先端縁、６……
空気側傾斜面、８……第１のリブ群、９……第２
のリブ群、１０〜１５……突起、２０……軸、２
０ａ……セレーシヨン部。
FIG. 1 is a perspective view of the essential parts of an oil seal for bidirectional rotation according to an embodiment of this invention, FIGS.
Figures 6 to 6 are perspective views of essential parts of other embodiments of oil seals for bidirectional rotation, Figure 7 is a perspective view of essential parts of conventional oil seals for unidirectional rotation, and Figure 8 is a perspective view of the leading edge of the seal lip. FIG. 9 is a schematic view showing the contact state, and is a perspective view of the main part of a conventional bidirectional rotation oil seal. 3... Seal lip, 3a... Tip edge, 6...
Air side inclined surface, 8...first rib group, 9...second
Rib group, 10-15...protrusion, 20...shaft, 2
0a... Serration section.
Claims (1)
斜面及び油側傾斜面を有する断面くさび状の環状
シールリツプを備えると共に、空気側傾斜面に、
シールリツプの先端縁に対して、互いに反対方向
に傾斜する第１のリブ群及び第２のリブ群を、交
互に形成した両方向回転用オイルシールにおいて
、 上記空気側傾斜面の第１のリブ群と第２のリブ
群との間に、軸の組み込みに際してシールリツプ
の先端縁よりも先に軸に接触し当該先端縁の拡開
した状態で当該先端縁の軸への組み込みを案内す
る突起を、膨出形成していることを特徴とする両
方向回転用オイルシール。[Claims for Utility Model Registration] An annular seal lip having a wedge-shaped cross section and having an air-side inclined surface and an oil-side inclined surface inclined in opposite directions on the inner peripheral surface, and on the air-side inclined surface,
A bidirectional rotating oil seal in which a first group of ribs and a second group of ribs that are inclined in opposite directions with respect to the tip edge of the seal lip are formed alternately, and the first group of ribs on the air side inclined surface and Between the second rib group, there is an expanded protrusion that contacts the shaft before the tip edge of the seal lip when the shaft is assembled, and guides the tip edge to be assembled into the shaft while the tip edge is expanded. An oil seal for bidirectional rotation characterized by a molded surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990059819U JPH0418763U (en) | 1990-06-06 | 1990-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990059819U JPH0418763U (en) | 1990-06-06 | 1990-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0418763U true JPH0418763U (en) | 1992-02-17 |
Family
ID=31586652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990059819U Pending JPH0418763U (en) | 1990-06-06 | 1990-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0418763U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015021510A (en) * | 2013-07-16 | 2015-02-02 | Nok株式会社 | Sealing device |
-
1990
- 1990-06-06 JP JP1990059819U patent/JPH0418763U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015021510A (en) * | 2013-07-16 | 2015-02-02 | Nok株式会社 | Sealing device |
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