JP7011716B2 - 密封装置 - Google Patents
密封装置 Download PDFInfo
- Publication number
- JP7011716B2 JP7011716B2 JP2020530126A JP2020530126A JP7011716B2 JP 7011716 B2 JP7011716 B2 JP 7011716B2 JP 2020530126 A JP2020530126 A JP 2020530126A JP 2020530126 A JP2020530126 A JP 2020530126A JP 7011716 B2 JP7011716 B2 JP 7011716B2
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- JP
- Japan
- Prior art keywords
- groove
- axial groove
- sealing device
- axis
- lip
- 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
-
- 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
- F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
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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
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/55—Systems consisting of a plurality of bearings with rolling friction with intermediate floating or independently-driven rings rotating at reduced speed or with other differential ball or roller bearings
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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
-
- 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
-
- 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
-
- 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
- F16J15/3268—Mounting of sealing rings
- F16J15/3276—Mounting of sealing rings with additional static sealing between the sealing, or its casing or support, and the surface on which it is mounted
-
- 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
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/36—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
-
- 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
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/61—Toothed gear systems, e.g. support of pinion shafts
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Of Bearings (AREA)
- Sealing Devices (AREA)
Description
Claims (6)
- 貫通孔と該貫通孔に挿通される軸との間の密封を図るための密封装置であって、
軸線周りに環状の補強環と、
前記補強環に取り付けられている前記軸線周りに環状の弾性体から形成された弾性体部とを備え、
前記弾性体部は、前記軸に該軸が摺動可能に当接する環状のシールリップと、前記シールリップよりも外側に設けられており前記外側に向かって延びる環状のサイドリップとを有しており、
前記サイドリップの内周側の面には、前記軸線周りに環状の溝である周方向溝が少なくとも1つ設けられており、また、前記軸線の方向に亘って延びる溝である軸方向溝が少なくとも1つ設けられており、
前記周方向溝と前記軸方向溝とは接続しており、
前記軸方向溝の外側の端部における幅は、前記軸方向溝の内側の端部における幅よりも小さく、
複数の前記周方向溝が設けられており、
前記軸方向溝は、互いに隣接する前記周方向溝の間に設けられていることを特徴とする密封装置。 - 貫通孔と該貫通孔に挿通される軸との間の密封を図るための密封装置であって、
軸線周りに環状の補強環と、
前記補強環に取り付けられている前記軸線周りに環状の弾性体から形成された弾性体部とを備え、
前記弾性体部は、前記軸に該軸が摺動可能に当接する環状のシールリップと、前記シールリップよりも外側に設けられており前記外側に向かって延びる環状のサイドリップとを有しており、
前記サイドリップの内周側の面には、前記軸線周りに環状の溝である周方向溝が少なくとも1つ設けられており、また、前記軸線の方向に亘って延びる溝である軸方向溝が少なくとも1つ設けられており、
前記周方向溝と前記軸方向溝とは接続しており、
前記サイドリップは、前記軸に取り付けられる環状の部材に接触するようになっており、
前記周方向溝と前記軸方向溝との少なくともいずれかの一部は、前記サイドリップが前記環状の部材に接触する部分に延びていることを特徴とする密封装置。 - 前記軸方向溝は、前記軸線に平行に延びていることを特徴とする請求項1又は2に記載の密封装置。
- 前記軸方向溝は、前記軸線に対して斜めに延びていることを特徴とする請求項1又は2に記載の密封装置。
- 前記軸方向溝の外側の端部における幅は、前記軸方向溝の内側の端部における幅よりも小さいことを特徴とする請求項2に記載の密封装置。
- 複数の前記周方向溝が設けられており、
前記軸方向溝は、互いに隣接する前記周方向溝の間に設けられていることを特徴とする請求項5に記載の密封装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018130299 | 2018-07-09 | ||
JP2018130299 | 2018-07-09 | ||
PCT/JP2019/026214 WO2020013020A1 (ja) | 2018-07-09 | 2019-07-02 | 密封装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020013020A1 JPWO2020013020A1 (ja) | 2021-01-07 |
JP7011716B2 true JP7011716B2 (ja) | 2022-01-27 |
Family
ID=69142595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020530126A Active JP7011716B2 (ja) | 2018-07-09 | 2019-07-02 | 密封装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11781653B2 (ja) |
EP (1) | EP3822521A4 (ja) |
JP (1) | JP7011716B2 (ja) |
CN (1) | CN112204278B (ja) |
WO (1) | WO2020013020A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008093468A1 (ja) | 2007-01-29 | 2008-08-07 | Nok Corporation | 密封装置 |
JP2016156418A (ja) | 2015-02-24 | 2016-09-01 | 株式会社荒井製作所 | 密封装置 |
WO2017051920A1 (ja) | 2015-09-25 | 2017-03-30 | Nok株式会社 | ディファレンシャル機構用密封装置 |
Family Cites Families (22)
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---|---|---|---|---|
SE305987B (ja) | 1967-01-16 | 1968-11-11 | Forsheda Gummifabrik Ab | |
GB1302198A (ja) * | 1969-05-09 | 1973-01-04 | ||
US3572730A (en) * | 1969-06-13 | 1971-03-30 | Timken Co | Wear surface for facilitating lubrication of elements in engagement therewith |
US4118856A (en) * | 1974-12-02 | 1978-10-10 | Garlock Inc | Bi-directional hydrodynamic shaft seal method |
US6494462B2 (en) * | 1998-05-06 | 2002-12-17 | Kalsi Engineering, Inc. | Rotary seal with improved dynamic interface |
US6634648B1 (en) * | 2000-06-29 | 2003-10-21 | Kelsey-Hayes Company | Shield and seal assembly for vehicle wheel end assembly |
DE10033446C5 (de) * | 2000-07-10 | 2006-12-14 | Dichtungstechnik G. Bruss Gmbh & Co. Kg | Wellendichtring |
US7025357B2 (en) * | 2001-06-08 | 2006-04-11 | Freudenberg-Nok General Partnership | Shaft seal having lip supports |
DE10313162B4 (de) * | 2003-03-25 | 2013-02-28 | Kaco Gmbh + Co. Kg | Dichtring |
JP2006242373A (ja) | 2004-09-24 | 2006-09-14 | Nok Corp | 密封装置 |
JP2009103142A (ja) | 2007-10-19 | 2009-05-14 | Toyota Motor Corp | シール装置 |
JP5800141B2 (ja) * | 2011-08-31 | 2015-10-28 | Nok株式会社 | 密封装置 |
JP5800148B2 (ja) * | 2011-12-21 | 2015-10-28 | Nok株式会社 | エンジンリアシール |
US9309615B2 (en) * | 2012-06-26 | 2016-04-12 | BSH Hausgeräte GmbH | Water-conducting household appliance having a rotatable component |
DE102012223448A1 (de) * | 2012-12-17 | 2014-06-18 | Aktiebolaget Skf | Dichtung und Verfahren zum Herstellen einer Dichtung |
CN103742651B (zh) * | 2014-01-29 | 2016-11-16 | 烟台润蚨祥油封有限公司 | 一种低摩擦往复运动密封件 |
US10208861B2 (en) | 2014-05-20 | 2019-02-19 | Nok Corporation | Sealing device |
CN104358880A (zh) * | 2014-11-18 | 2015-02-18 | 烟台润蚨祥油封有限公司 | 一种旋转运动油封 |
EP3360372B1 (en) * | 2015-10-06 | 2021-02-17 | Telefonaktiebolaget LM Ericsson (PUBL) | Handover of a user equipment between an indoor and an outdoor network node |
CN109996982B (zh) * | 2016-11-25 | 2020-11-24 | Nok株式会社 | 密封装置 |
US11460110B2 (en) * | 2018-04-06 | 2022-10-04 | Nok Corporation | Sealing device |
JP7281253B2 (ja) * | 2018-05-31 | 2023-05-25 | 株式会社小松製作所 | スイベルジョイント |
-
2019
- 2019-07-02 WO PCT/JP2019/026214 patent/WO2020013020A1/ja unknown
- 2019-07-02 EP EP19833313.0A patent/EP3822521A4/en active Pending
- 2019-07-02 JP JP2020530126A patent/JP7011716B2/ja active Active
- 2019-07-02 CN CN201980034914.0A patent/CN112204278B/zh active Active
- 2019-07-02 US US17/059,152 patent/US11781653B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008093468A1 (ja) | 2007-01-29 | 2008-08-07 | Nok Corporation | 密封装置 |
JP2016156418A (ja) | 2015-02-24 | 2016-09-01 | 株式会社荒井製作所 | 密封装置 |
WO2017051920A1 (ja) | 2015-09-25 | 2017-03-30 | Nok株式会社 | ディファレンシャル機構用密封装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2020013020A1 (ja) | 2020-01-16 |
EP3822521A4 (en) | 2022-03-16 |
EP3822521A1 (en) | 2021-05-19 |
CN112204278B (zh) | 2023-02-17 |
JPWO2020013020A1 (ja) | 2021-01-07 |
US11781653B2 (en) | 2023-10-10 |
CN112204278A (zh) | 2021-01-08 |
US20210215250A1 (en) | 2021-07-15 |
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