JP6967155B2 - 密封装置 - Google Patents
密封装置 Download PDFInfo
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- JP6967155B2 JP6967155B2 JP2020532229A JP2020532229A JP6967155B2 JP 6967155 B2 JP6967155 B2 JP 6967155B2 JP 2020532229 A JP2020532229 A JP 2020532229A JP 2020532229 A JP2020532229 A JP 2020532229A JP 6967155 B2 JP6967155 B2 JP 6967155B2
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- Prior art keywords
- peripheral side
- inner peripheral
- axis
- elastic body
- conductive
- Prior art date
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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
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/004—Electro-dynamic machines, e.g. motors, generators, actuators
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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
- 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
- F16C33/6633—Grease properties or compositions, e.g. rheological properties
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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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
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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
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/002—Conductive elements, e.g. to prevent static electricity
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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
- 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
- F16J15/3208—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings
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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
- 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
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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
- 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
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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
- 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
- F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
- F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
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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
- 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
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
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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
- F16C2202/00—Solid materials defined by their properties
- F16C2202/30—Electric properties; Magnetic properties
- F16C2202/32—Conductivity
-
- 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
- F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
- F16C33/7873—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a single sealing ring of generally L-shaped cross-section
- F16C33/7876—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a single sealing ring of generally L-shaped cross-section with sealing lips
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Devices (AREA)
Description
Claims (4)
- 内周側部材と外周側部材との間の軸線周りに環状の空間を密封するための密封装置であって、
前記軸線周りに環状の外側シール部と、
前記外側シール部との間に前記軸線周りに環状の空間を形成するように前記外側シール部に取り付けられる前記軸線周りに環状の内側シール部とを備え、
前記外側シール部は、前記軸線周りに環状の外側補強環と、該外側補強環に取り付けられている前記軸線周りに環状の外側弾性体部とを有しており、
前記外側弾性体部は、導電性の弾性体から形成されており、前記内周側部材が摺動可能に前記内周側部材に接触する前記軸線に向かって延びるダストリップと、前記ダストリップより内側に設けられており前記内周側部材が摺動可能に前記内周側部材に接触する前記軸線に向かって延びる導通リップと、前記外周側部材に接触するガスケット部とを有しており、
前記内側シール部は、前記軸線周りに環状の嵌着面において、前記外側シール部の前記外側弾性体部に内周側から取り付けられており、前記軸線周りに環状の内側補強環と、該内側補強環に取り付けられている前記軸線周りに環状の内側弾性体部とを有しており、
前記内側弾性体部は、導電性の弾性体から形成されており、前記内周側部材が摺動可能に前記内周側部材に接触する前記軸線に向かって延びるグリースリップを有しており、
前記外側シール部は、前記導通リップの外周側に装着され、前記導通リップを前記内周側に押圧するばねを有し、
前記嵌着面を越えて外周側に出っ張る、前記内側弾性体部に設けられた外周側突出部、及び、前記嵌着面を越えて内周側に出っ張る、前記外側弾性体部に設けられた内周側突出部、の少なくともいずれか一方が設けられ、
前記外周側突出部は、前記嵌着面を越えて外周側に突出する楔形状の断面を有し、前記内周側突出部は、前記嵌着面を超えて内周側に突出する楔形状の断面を有する、ことを特徴とする密封装置。 - 前記外側シール部と前記内側シール部とにより形成された前記空間に導電性グリースが収容されていることを特徴とする請求項1記載の密封装置。
- 前記外周側突出部は、前記内側弾性体部の少なくとも一部に形成されており、
前記内周側突出部は、前記ガスケット部の少なくとも一部に形成されていることを特徴とする請求項1記載の密封装置。 - 前記導通リップは、前記軸線に向かって凸の断面楔形の導通リップ先端部を有していることを特徴とする請求項1から3までのいずれか1項記載の密封装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018138139 | 2018-07-24 | ||
JP2018138139 | 2018-07-24 | ||
PCT/JP2019/025121 WO2020021940A1 (ja) | 2018-07-24 | 2019-06-25 | 密封装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020021940A1 JPWO2020021940A1 (ja) | 2021-02-15 |
JP6967155B2 true JP6967155B2 (ja) | 2021-11-17 |
Family
ID=69180452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020532229A Active JP6967155B2 (ja) | 2018-07-24 | 2019-06-25 | 密封装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11428322B2 (ja) |
EP (1) | EP3828446B1 (ja) |
JP (1) | JP6967155B2 (ja) |
CN (1) | CN111712659B (ja) |
WO (1) | WO2020021940A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113474568B (zh) * | 2019-05-08 | 2024-01-05 | Nok株式会社 | 密封装置 |
US20220099187A1 (en) * | 2020-09-28 | 2022-03-31 | Trelleborg Sealing Solutions Germany Gmbh | Electrically grounding cassette seal |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4981303A (en) * | 1988-10-25 | 1991-01-01 | Nok Corporation | Sealing device |
JP2559158Y2 (ja) * | 1993-04-09 | 1998-01-14 | 内山工業株式会社 | 密封装置 |
JP3860283B2 (ja) * | 1996-06-26 | 2006-12-20 | Nok株式会社 | 密封装置 |
JPH11218229A (ja) * | 1998-01-30 | 1999-08-10 | Toyota Autom Loom Works Ltd | オイルシール及びエンジン |
JP2000244180A (ja) | 1999-02-22 | 2000-09-08 | Toyota Motor Corp | 電気自動車の電磁ノイズ抑制装置 |
JP4032730B2 (ja) * | 2001-12-19 | 2008-01-16 | Nok株式会社 | 密封装置 |
CN102792076B (zh) | 2010-03-08 | 2016-04-20 | 本田技研工业株式会社 | 汽车用发动机油封 |
JP6081179B2 (ja) | 2012-12-14 | 2017-02-15 | Nok株式会社 | 密封装置 |
DE102013000982B4 (de) * | 2013-01-22 | 2015-10-29 | Carl Freudenberg Kg | Dichtring und Dichtungsanordnung damit |
JP2014240676A (ja) * | 2013-06-11 | 2014-12-25 | 日本精工株式会社 | シール付車輪支持用軸受ユニット |
JP6220724B2 (ja) | 2014-04-23 | 2017-10-25 | 本田技研工業株式会社 | 車両用動力伝達装置 |
RU2673949C1 (ru) | 2015-05-11 | 2018-12-03 | Нок Корпорейшн | Уплотнительное устройство |
CN105840832A (zh) * | 2016-06-06 | 2016-08-10 | 昆山健博密封件科技有限公司 | 一种防尘密封圈 |
CN207297884U (zh) | 2017-07-12 | 2018-05-01 | 富林贝克密封件(昆山)有限公司 | 一种双油封 |
-
2019
- 2019-06-25 US US16/968,128 patent/US11428322B2/en active Active
- 2019-06-25 EP EP19840792.6A patent/EP3828446B1/en active Active
- 2019-06-25 JP JP2020532229A patent/JP6967155B2/ja active Active
- 2019-06-25 WO PCT/JP2019/025121 patent/WO2020021940A1/ja unknown
- 2019-06-25 CN CN201980010611.5A patent/CN111712659B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP3828446B1 (en) | 2024-05-22 |
US11428322B2 (en) | 2022-08-30 |
CN111712659A (zh) | 2020-09-25 |
JPWO2020021940A1 (ja) | 2021-02-15 |
EP3828446A4 (en) | 2022-04-06 |
US20210041024A1 (en) | 2021-02-11 |
WO2020021940A1 (ja) | 2020-01-30 |
CN111712659B (zh) | 2023-03-21 |
EP3828446A1 (en) | 2021-06-02 |
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