JPH0417566U - - Google Patents

Info

Publication number
JPH0417566U
JPH0417566U JP1990058742U JP5874290U JPH0417566U JP H0417566 U JPH0417566 U JP H0417566U JP 1990058742 U JP1990058742 U JP 1990058742U JP 5874290 U JP5874290 U JP 5874290U JP H0417566 U JPH0417566 U JP H0417566U
Authority
JP
Japan
Prior art keywords
inclined surface
seal lip
side inclined
ribs
respect
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
Application number
JP1990058742U
Other languages
Japanese (ja)
Other versions
JPH0746838Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990058742U priority Critical patent/JPH0746838Y2/en
Publication of JPH0417566U publication Critical patent/JPH0417566U/ja
Application granted granted Critical
Publication of JPH0746838Y2 publication Critical patent/JPH0746838Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の一実施例のオイルシールの
要部斜視図、第２図はその要部断面図、第３図は
リブを示す第１図の−断面図、第４図は他の
実施例のオイルシールの要部断面図、第５図は従
来のオイルシールの要部斜視図、第６図はシール
リツプの先端縁の軸に対する接触状態を示す図、
第７図はそのリブ高さを高くした場合の接触状態
を示す図である。 ３……シールリツプ、３ａ……先端縁、６……
空気側傾斜面、７……油側傾斜面、８……リブ。 Fig. 1 is a perspective view of the main parts of an oil seal according to an embodiment of this invention, Fig. 2 is a sectional view of the main parts, Fig. 3 is a sectional view taken from Fig. 1 showing the ribs, and Fig. 4 is another 5 is a perspective view of the main parts of a conventional oil seal; FIG. 6 is a diagram showing the contact state of the tip edge of the seal lip with the shaft;
FIG. 7 is a diagram showing the contact state when the rib height is increased. 3... Seal lip, 3a... Tip edge, 6...
Air side inclined surface, 7... Oil side inclined surface, 8... Rib.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内周面に、互いに反対方向に傾斜した空気側傾
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傾斜する多数のリ
ブを形成したオイルシールにおいて、上記リブの
シールリツプ先端縁側の部分における空気側傾斜
面からの高さが、リブの他の部分よりも相対的に
低くなるように、空気側傾斜面のシールリツプ周
縁側の部分の軸線に対する傾斜角度を、他の部分
の軸線に対する傾斜角度よりも大きくしてあるこ
とを特徴とするオイルシール。 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 circumferential surface, and on the air side inclined surface,
In an oil seal formed with a large number of ribs that are inclined with respect to the tip edge of the seal lip, the height of the portion of the ribs on the tip edge side of the seal lip from the air side inclined surface is relatively lower than other portions of the ribs. An oil seal characterized in that the angle of inclination of the portion of the air-side inclined surface on the peripheral edge side of the seal lip with respect to the axis is larger than the angle of inclination of the other portions with respect to the axis.
JP1990058742U 1990-06-01 1990-06-01 Oil seal Expired - Fee Related JPH0746838Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990058742U JPH0746838Y2 (en) 1990-06-01 1990-06-01 Oil seal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990058742U JPH0746838Y2 (en) 1990-06-01 1990-06-01 Oil seal

Publications (2)

Publication Number Publication Date
JPH0417566U true JPH0417566U (en) 1992-02-13
JPH0746838Y2 JPH0746838Y2 (en) 1995-10-25

Family

ID=31584632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990058742U Expired - Fee Related JPH0746838Y2 (en) 1990-06-01 1990-06-01 Oil seal

Country Status (1)

Country Link
JP (1) JPH0746838Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003090441A (en) * 2001-09-20 2003-03-28 Nok Corp Oil seal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003090441A (en) * 2001-09-20 2003-03-28 Nok Corp Oil seal
JP4600633B2 (en) * 2001-09-20 2010-12-15 Ｎｏｋ株式会社 Oil seal

Also Published As

Publication number Publication date
JPH0746838Y2 (en) 1995-10-25

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Legal Events

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