JP6692214B2 - 軸受密封装置 - Google Patents
軸受密封装置 Download PDFInfo
- Publication number
- JP6692214B2 JP6692214B2 JP2016103239A JP2016103239A JP6692214B2 JP 6692214 B2 JP6692214 B2 JP 6692214B2 JP 2016103239 A JP2016103239 A JP 2016103239A JP 2016103239 A JP2016103239 A JP 2016103239A JP 6692214 B2 JP6692214 B2 JP 6692214B2
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- JP
- Japan
- Prior art keywords
- seal
- ring
- bearing
- sealing device
- press
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims description 56
- 239000002184 metal Substances 0.000 claims description 38
- 239000004519 grease Substances 0.000 claims description 13
- 230000013011 mating Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000016571 aggressive behavior Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- 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
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
-
- 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
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/06—Ball or roller bearings
- F16C23/08—Ball or roller bearings self-adjusting
- F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
- F16C23/084—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface sliding on a complementary spherical surface
-
- 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
- F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
-
- 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
- F16C33/7896—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members with two or more discrete sealings arranged in series
-
- 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
- F16C33/80—Labyrinth sealings
- F16C33/805—Labyrinth sealings in addition to other sealings, e.g. dirt guards to protect sealings with sealing lips
-
- 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
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
-
- 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
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
- F16J15/3236—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips with at least one lip for each surface, e.g. U-cup packings
-
- 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
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/40—Application independent of particular apparatuses related to environment, i.e. operating conditions
- F16C2300/42—Application independent of particular apparatuses related to environment, i.e. operating conditions corrosive, i.e. with aggressive media or harsh conditions
-
- 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
- F16C2310/00—Agricultural machines
-
- 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
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
- F16C33/6607—Retaining the grease in or near the bearing
- F16C33/6618—Retaining the grease in or near the bearing in a reservoir in the sealing means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
- Rolling Contact Bearings (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
2 外輪
3 軌道面
4 軌道面
6 内側シール
7 外側シール
8 リング
13 嵌め合い面
15 シール溝
16 嵌め合い面
22 外径部
23 芯金
24 ゴム
25〜27 シールリップ
28 内径部
29 ラビリンスすきま
30 シール接触面
31 隙間
32 金属環
33 ゴム
34 圧入部
35 端部
Claims (6)
- 外周に軌道面が形成された内輪と、
内周に軌道面及びシール溝が形成された外輪と、
前記シール溝に固定された外径部を有する内側シールと、
前記内輪の外周に固定された内径部を有する外側シールと、を備え、
前記外側シールが、前記内側シールよりも軸受外部側に位置する軸受密封装置において、
前記外輪の内周に固定された圧入部と、前記外側シールのシールリップと接触するシール接触面とを有するリングを備え、
前記外側シールが、複数のシールリップを有し、これらシールリップのうち、最も軸受外部側に位置するシールリップと、前記外輪の内周との間が、ラビリンスすきまになっており、それ以外のシールリップが、前記リングの前記シール接触面に接触しており、
前記ラビリンスすきまが、前記リングと前記最も軸受外部側のシールリップとの間の軸方向すきまと、前記外輪の端面と前記最も軸受外部側のシールリップとの間の径方向すきまとで形成されていることを特徴とする軸受密封装置。 - 前記リングが、環状に形成された金属環と、この金属環の外周に接着されたゴムとを有し、
前記圧入部が、前記ゴムによって形成されており、
前記シール接触面が、前記金属環の内周に形成されている請求項1に記載の軸受密封装置。 - 前記金属環が冷間プレス成形品からなる請求項2に記載の軸受密封装置。
- 前記リングの内周のうち、軸受外部側の端部が、軸方向に軸受外部側に向かって拡径するR面状になっている請求項1から3のいずれか1項に記載の軸受密封装置。
- 前記内輪が、外周に形成された円筒面状の嵌め合い面を有し、
前記外側シールが、環状に形成された芯金と、この芯金に接着されたゴムとを有し、前記外側シールの前記シールリップが、前記ゴムによって形成されており、前記外側シールの前記内径部が、前記芯金の内周に円筒面状に形成され前記内輪の前記嵌め合い面に固定された圧入部になっている請求項1から4のいずれか1項に記載の軸受密封装置。 - 前記内側シールと前記外側シールとの間にグリースが封入されている請求項1から5のいずれか1項に記載の軸受密封装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016103239A JP6692214B2 (ja) | 2016-05-24 | 2016-05-24 | 軸受密封装置 |
US16/303,343 US10648571B2 (en) | 2016-05-24 | 2017-05-17 | Bearing sealing device |
CN201780032061.8A CN109154326B (zh) | 2016-05-24 | 2017-05-17 | 轴承密封装置 |
PCT/JP2017/018556 WO2017204058A1 (ja) | 2016-05-24 | 2017-05-17 | 軸受密封装置 |
EP17802650.6A EP3467329B1 (en) | 2016-05-24 | 2017-05-17 | Bearing and bearing sealing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016103239A JP6692214B2 (ja) | 2016-05-24 | 2016-05-24 | 軸受密封装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017210992A JP2017210992A (ja) | 2017-11-30 |
JP6692214B2 true JP6692214B2 (ja) | 2020-05-13 |
Family
ID=60412284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016103239A Active JP6692214B2 (ja) | 2016-05-24 | 2016-05-24 | 軸受密封装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10648571B2 (ja) |
EP (1) | EP3467329B1 (ja) |
JP (1) | JP6692214B2 (ja) |
CN (1) | CN109154326B (ja) |
WO (1) | WO2017204058A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI722954B (zh) * | 2020-08-14 | 2021-03-21 | 鈦鈿工業股份有限公司 | 防塵軸承 |
US11209050B1 (en) * | 2020-10-19 | 2021-12-28 | Thai Dieng Industry Co., Ltd. | Contamination-resistant bearing assembly |
IT202100022952A1 (it) * | 2021-09-07 | 2023-03-07 | Skf Ab | Unita’ cuscinetto con disco di protezione |
IT202100029606A1 (it) * | 2021-11-24 | 2023-05-24 | Skf Ab | Unita’ cuscinetto con dispositivo di tenuta |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4304412A (en) * | 1979-11-02 | 1981-12-08 | Federal-Mogul Corporation | Contoured double-lip bearing seal |
JPS62278315A (ja) | 1986-05-24 | 1987-12-03 | Koyo Seiko Co Ltd | 軸受装置 |
DE3838824C2 (de) | 1988-11-17 | 1995-06-08 | Kugelfischer G Schaefer & Co | Dichtung, bestehend aus mehreren Dichtringen |
JPH0726609Y2 (ja) * | 1989-01-12 | 1995-06-14 | 光洋精工株式会社 | 転がり軸受の密封装置 |
JPH03100622U (ja) * | 1990-02-05 | 1991-10-21 | ||
DE4312364A1 (de) * | 1993-04-16 | 1994-10-20 | Schaeffler Waelzlager Kg | Radialwälzlager |
US5553870A (en) * | 1994-02-16 | 1996-09-10 | The Timken Company | Lip seal separating oil and grease |
US5713579A (en) * | 1995-10-02 | 1998-02-03 | Petrak; Gregory H. | Dynamic seal |
US5813675A (en) * | 1995-10-31 | 1998-09-29 | The Timken Company | Multibarrier seal |
JP3963246B2 (ja) | 2000-02-01 | 2007-08-22 | Ntn株式会社 | 車輪用軸受 |
US6637754B1 (en) | 1999-11-17 | 2003-10-28 | Ntn Corporation | Wheel bearing and sealing device therefor |
JP2001141069A (ja) * | 1999-11-17 | 2001-05-25 | Ntn Corp | 転がり軸受の密封装置 |
JP4321749B2 (ja) * | 2001-12-11 | 2009-08-26 | 内山工業株式会社 | ウォータポンプ軸受 |
US7079032B2 (en) * | 2003-03-27 | 2006-07-18 | Acco Brands Usa Llc | Portable electronic device physical security apparatus with alarmed cable |
JP2005264999A (ja) * | 2004-03-17 | 2005-09-29 | Nok Corp | 密封装置 |
JP2006250240A (ja) | 2005-03-10 | 2006-09-21 | Ntn Corp | 密封型転がり軸受 |
US7927018B2 (en) * | 2005-03-18 | 2011-04-19 | Schaeffler Kg | Wheel bearing arrangement comprising an encoder |
JP4851114B2 (ja) | 2005-05-09 | 2012-01-11 | Ntn株式会社 | 密封型転がり軸受 |
JP2006342827A (ja) * | 2005-06-07 | 2006-12-21 | Nok Corp | 密封装置 |
JP2006349043A (ja) * | 2005-06-15 | 2006-12-28 | Ntn Corp | 密封型転がり軸受 |
JP2008002487A (ja) * | 2006-06-20 | 2008-01-10 | Nsk Ltd | シール付き軸受 |
JP2008039143A (ja) * | 2006-08-09 | 2008-02-21 | Ntn Corp | 転がり軸受 |
JP4807804B2 (ja) | 2008-02-04 | 2011-11-02 | Ntn株式会社 | 車輪用軸受装置 |
JP5370941B2 (ja) * | 2008-10-01 | 2013-12-18 | 内山工業株式会社 | 密封装置 |
EP2452090B1 (en) | 2009-07-08 | 2016-01-13 | Peer Bearing Company | Self-aligning maintenance free bearing unit for agricultural applications |
JP5608407B2 (ja) * | 2010-04-06 | 2014-10-15 | 株式会社Jrc | ローラの軸受部シール装置 |
CN201705812U (zh) | 2010-05-11 | 2011-01-12 | 北京昆仑轴承有限公司 | 一种带有自锁长唇密封的轧机轴承 |
JP2014114931A (ja) | 2012-12-12 | 2014-06-26 | Jtekt Corp | 転がり軸受 |
-
2016
- 2016-05-24 JP JP2016103239A patent/JP6692214B2/ja active Active
-
2017
- 2017-05-17 US US16/303,343 patent/US10648571B2/en active Active
- 2017-05-17 EP EP17802650.6A patent/EP3467329B1/en active Active
- 2017-05-17 CN CN201780032061.8A patent/CN109154326B/zh active Active
- 2017-05-17 WO PCT/JP2017/018556 patent/WO2017204058A1/ja unknown
Also Published As
Publication number | Publication date |
---|---|
US10648571B2 (en) | 2020-05-12 |
CN109154326A (zh) | 2019-01-04 |
WO2017204058A1 (ja) | 2017-11-30 |
US20190162312A1 (en) | 2019-05-30 |
CN109154326B (zh) | 2021-07-30 |
EP3467329A1 (en) | 2019-04-10 |
JP2017210992A (ja) | 2017-11-30 |
EP3467329A4 (en) | 2019-06-12 |
EP3467329B1 (en) | 2020-10-07 |
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