JP6797719B2 - オイルシール及びシール付軸受 - Google Patents
オイルシール及びシール付軸受 Download PDFInfo
- Publication number
- JP6797719B2 JP6797719B2 JP2017040560A JP2017040560A JP6797719B2 JP 6797719 B2 JP6797719 B2 JP 6797719B2 JP 2017040560 A JP2017040560 A JP 2017040560A JP 2017040560 A JP2017040560 A JP 2017040560A JP 6797719 B2 JP6797719 B2 JP 6797719B2
- Authority
- JP
- Japan
- Prior art keywords
- seal
- protrusions
- sliding surface
- protrusion
- bearing
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/324—Arrangements for lubrication or cooling of the sealing itself
Description
2 相手部材
3 軸受内部空間
4 外輪
5 転動体
7 シール摺動面
8 芯金
9 ゴム材
10 シールリップ
11 突起
12 中実部
13 表面部
13a 周方向中央
14 隙間
100 シール付軸受
S1 入力軸(回転軸)
S2 出力軸(回転軸)
Claims (5)
- ゴム材で形成されたシールリップを有するシール部材と、前記シール部材に対して周方向に相対回転する相手部材とを備え、
前記相手部材に形成されたシール摺動面と、前記シールリップとの間に締め代が設定されており、
前記シールリップは、前記シール摺動面と流体潤滑状態で摺接する複数の突起を周方向に所定間隔で有し、
前記シールリップのうちの周方向に隣り合う前記突起間に亘る表面部と、前記相手部材の前記シール摺動面との間に、正の値の隙間が設けられているオイルシールにおいて、
前記表面部の周方向中央と前記シール摺動面との間での前記隙間の値が、前記突起の高さの0.7倍以下であることを特徴とするオイルシール。 - 前記表面部の周方向中央と前記シール摺動面との間での前記隙間の値が、前記突起の高さの0.5倍以下である請求項1に記載のオイルシール。
- 前記突起の高さが0.01mm以上、0.10mm未満である請求項1又は2に記載のオイルシール。
- 請求項1から3のいずれか1項に記載のオイルシールを備え、前記シール部材が、軸受内部空間と外部との間を区切るものとなっているシール付軸受。
- 自動車のトランスミッションの回転軸を支持する請求項4に記載のシール付軸受。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017040560A JP6797719B2 (ja) | 2017-03-03 | 2017-03-03 | オイルシール及びシール付軸受 |
PCT/JP2018/007988 WO2018159809A1 (ja) | 2017-03-03 | 2018-03-02 | オイルシール及びシール付軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017040560A JP6797719B2 (ja) | 2017-03-03 | 2017-03-03 | オイルシール及びシール付軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018146014A JP2018146014A (ja) | 2018-09-20 |
JP6797719B2 true JP6797719B2 (ja) | 2020-12-09 |
Family
ID=63370113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017040560A Active JP6797719B2 (ja) | 2017-03-03 | 2017-03-03 | オイルシール及びシール付軸受 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6797719B2 (ja) |
WO (1) | WO2018159809A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7240975B2 (ja) * | 2019-07-04 | 2023-03-16 | Ntn株式会社 | シール付軸受 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3150472C2 (de) * | 1981-12-19 | 1983-12-08 | Fa. Carl Freudenberg, 6940 Weinheim | Radialwellendichtring |
US4399998A (en) * | 1981-12-28 | 1983-08-23 | The Timken Company | Self-venting seal lip |
DE3833042A1 (de) * | 1988-09-29 | 1990-04-12 | Freudenberg Carl Fa | Wellendichtung |
JPH09159031A (ja) * | 1995-10-06 | 1997-06-17 | Nok Corp | オイルシール |
US5921555A (en) * | 1997-04-10 | 1999-07-13 | Freudenberg-Nok General Partnership | Uni-directional seal for use on a shaft |
DE20121487U1 (de) * | 2001-11-08 | 2002-12-19 | Bruss Dichtungstechnik | Wellendichtring |
-
2017
- 2017-03-03 JP JP2017040560A patent/JP6797719B2/ja active Active
-
2018
- 2018-03-02 WO PCT/JP2018/007988 patent/WO2018159809A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2018159809A1 (ja) | 2018-09-07 |
JP2018146014A (ja) | 2018-09-20 |
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