EP2195563A1 - Dispositif de joint pour un palier - Google Patents
Dispositif de joint pour un palierInfo
- Publication number
- EP2195563A1 EP2195563A1 EP08801239A EP08801239A EP2195563A1 EP 2195563 A1 EP2195563 A1 EP 2195563A1 EP 08801239 A EP08801239 A EP 08801239A EP 08801239 A EP08801239 A EP 08801239A EP 2195563 A1 EP2195563 A1 EP 2195563A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sealing
- bearing ring
- bearing
- arrangement according
- seal
- 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.)
- Ceased
Links
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
- F16J15/32—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
- F16J15/3256—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals
- F16J15/3264—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals the elements being separable from each other
-
- 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
- F16C19/541—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing
- F16C19/542—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing with two rolling bearings with angular contact
- F16C19/543—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing with two rolling bearings with angular contact in O-arrangement
-
- 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
- F16C19/56—Systems consisting of a plurality of bearings with rolling friction in which the rolling bodies of one bearing differ in diameter from those of another
-
- 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
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
-
- 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
-
- 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
- F16C33/7879—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 further sealing ring
-
- 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
- F16C19/364—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 with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
-
- 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
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/02—Wheel hubs or castors
-
- 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
- F16C2326/00—Articles relating to transporting
- F16C2326/43—Aeroplanes; Helicopters
-
- 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
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
- F16C33/7813—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for tapered roller bearings
Definitions
- the invention is in the field of rolling bearings and plain bearings and relates to a seal assembly for a bearing in which a second bearing ring is relatively rotatable to a first bearing ring with interposition of rolling elements or a sliding surface.
- the first bearing ring may be formed as a bearing outer ring and received by a bearing outer ring, while the second bearing ring on a rotating machine element, for example, on a shaft or axle, may be applied.
- the quality of storage and thus the life or fatigue strength of a bearing is very much dependent on the quality and undisturbed rolling or sliding of the corresponding Wälz- or bearing surfaces.
- a roller bearing thus depends on an unimpaired rolling of the rolling elements on the associated running surfaces of the first and second bearing ring. This rolling motion can be disturbed by undesirable penetrating foreign bodies, such as dirt or debris, and thus at worst compromise the reliability of the camp and its life can be shortened.
- an object of the present invention is to provide a sealing arrangement which is characterized by a high or increased life and high reliability even in polluted or aggressive environment.
- the seal assembly provides a circumferential circumferential circumferential seal, which is arranged in the region of the first bearing ring.
- the second bearing ring is provided with a circumferential sealing surface.
- At least two circumferential sealing lips of the seal are sealingly on the sealing surface.
- a particular advantage of the invention is that with a relatively simple additional component, the often costly and high quality storage is permanently protected.
- Another advantage of the invention is that the independently acting sealing lips configured differently, in particular can be optimized according to different requirements.
- At least one sealing lip is designed to be resilient in terms of film elasticity.
- film-elastically sprung is understood to mean a sealing lip which, as it were, is designed as a cantilever-like extension and resiliently rests on the sealing surface with its free end due to elastic changes in its geometry.
- a volume-elastic suspension means a material suspension of the sealing lip, which is realized by corresponding elastic deformation of the sealing lip material.
- the sealing effect can be optimized and influenced by a spring element presses the sealing lip on the sealing surface.
- the spring element may be a circumferential spiral spring, preferably a spiral spring.
- a preferred development of the invention provides that abut the at least two sealing lips on an axially extending portion of the sealing surface and that the seal has a further sealing lip, the a radially extending sealing surface is present.
- the sealing surface may be formed by partial regions of the surface of the second bearing ring.
- a preferred embodiment of the invention in this context provides that at least part of the sealing surface is formed by an axial extension of the second bearing ring.
- This extension may preferably be formed as an integral part of the material of the second bearing ring and extend, for example, like a sleeve in the axial direction to the outside of the storage. Such an extension is also referred to as a board.
- the sealing surface may also be formed on a molding element. It is particularly preferred if at least part of the sealing surface is formed on a sealing plate, which is applied to an axial extension (board) of the second bearing ring.
- FIG. 1 schematically shows a mounting situation of a sealing arrangement according to the invention
- FIG. 2 shows a first sealing arrangement according to the invention in detail
- FIG. 3 shows a second sealing arrangement according to the invention in detail.
- FIG. 1 shows a sealing arrangement for a bearing which comprises a first bearing ring 1 and a second bearing ring 2 rotating relative to it.
- a support 3 of the seal assembly is made of stainless steel and is in a bore 4 a bearing outer ring housing 5 is pressed.
- a corresponding second bearing with a similar seal arrangement is shown on the right side.
- the sealing arrangement which is suitable for use in accordance with FIG. 1 can have a carrier 3 which is "P-shaped" in cross-section.
- the sealing ring has a first sealing lip 9 and a second sealing lip 10.
- the first sealing lip is in the form of a thin, protruding, cross-section kragliniartigen extension 12 is formed.
- This training is also referred to as elastic film elastic because the extension 12 in the connection area 13 to the remaining rubber material 14 in the manner of a hinge in the direction of arrow 15 is deflectable.
- the second sealing lip 10 is formed by a peripheral material tip 18, which forms with its tip substantially linear contact 19 with the surface 22 of the second bearing ring 2 (see also FIG.
- the surface is formed by a sleeve-shaped extension 24 extending outward in the axial direction 23.
- a circumferential spiral spring 30 is provided which by slight bending a spring force in the radial direction of the Extensions 24 exerts and thus the second sealing lip 10 presses.
- FIG. 3 shows a variant of a sealing arrangement for a bearing, wherein a carrier plate 30 is pressed into the bore 4 of the bearing outer ring housing 5 (cf., also FIG.
- the support plate 30 holds a circumferential seal 31, which consists of an elastic rubber material.
- the seal 31 has a first sealing lip 32 which is formed in already explained in connection with Figure 2 design as a film elastic resilient sealing lip.
- a second sealing lip 33 is pressed onto the surface of a sealing plate 35 by means of a spiral spring 34.
- the first sealing lip 32 runs on the only indicated surface 36 of the second bearing ring.
- the surface 36 is formed by the lateral surface of an axial, sleeve-shaped extension (board).
- the sealing plate 35 is arranged substantially at right angles and pushed with its inner portion on the extension.
- a radially extending second region 37 of the sealing plate forms a further surface 38, on which a further (third) sealing lip 39 is sealingly supported and due to its kragliniartigen, circumferential geometry resiliently elastic film.
- the surface of this region of the sealing plate forms an inso- far a radial sealing surface 40th
- the present invention is preferably used in aircraft landing gear, because it depends in particular on a reliable, even under extreme operating conditions durable seal the suspension mounts.
- an improved protection against the penetration of external media for example, dirt or water
- the suction of dirt and foreign particles is also reliably prevented, in particular as a result of the cooling of the storage or during pressure changes.
- the storage interior is sealed from the environment, so that in the interest of improved environmental protection, the risk of leaking oil or fat is minimized.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007042368A DE102007042368A1 (de) | 2007-09-06 | 2007-09-06 | Dichtungsanordnung für ein Lager |
PCT/DE2008/001431 WO2009030201A1 (fr) | 2007-09-06 | 2008-08-27 | Dispositif de joint pour un palier |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2195563A1 true EP2195563A1 (fr) | 2010-06-16 |
Family
ID=40139243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08801239A Ceased EP2195563A1 (fr) | 2007-09-06 | 2008-08-27 | Dispositif de joint pour un palier |
Country Status (6)
Country | Link |
---|---|
US (1) | US8439571B2 (fr) |
EP (1) | EP2195563A1 (fr) |
JP (1) | JP2010538222A (fr) |
CN (1) | CN101970916A (fr) |
DE (1) | DE102007042368A1 (fr) |
WO (1) | WO2009030201A1 (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009059842A1 (de) * | 2009-12-21 | 2011-07-07 | Schaeffler Technologies GmbH & Co. KG, 91074 | Schleuderring mit Fangrinne |
DE102010054409A1 (de) * | 2010-12-14 | 2012-06-14 | Schaeffler Technologies Gmbh & Co. Kg | Dichteinrichtung und Drehlager mit dieser |
US20130043683A1 (en) * | 2011-08-17 | 2013-02-21 | Vincent Genovese | Fluid driven energy conversion apparatus and method |
CN102562817A (zh) * | 2012-02-28 | 2012-07-11 | 洛阳轴研科技股份有限公司 | 轴承低速重载工况下所使用的组合式密封装置设计方法 |
WO2016175739A1 (fr) | 2015-04-27 | 2016-11-03 | Halliburton Energy Services, Inc. | Palier et joint d'étanchéité imbriqués pour trépan à molettes |
DE102017130630A1 (de) | 2017-12-20 | 2019-06-27 | Schaeffler Technologies AG & Co. KG | Wälzlageranordnung, insbesondere für Fahrradtretlager |
DE102017011929A1 (de) * | 2017-12-21 | 2019-06-27 | Carl Freudenberg Kg | Dichtungsanordnung |
DE102018108591B4 (de) | 2018-04-11 | 2021-12-16 | Schaeffler Technologies AG & Co. KG | Dichtungsanordnung eines Wälzlagers an einer Tretkurbelwelle in einem Elektromotor eines e-Bikes oder Pedelecs |
KR102621711B1 (ko) | 2018-11-20 | 2024-01-08 | 현대자동차주식회사 | 휠 베어링용 시일 조립체 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2145928A (en) * | 1936-07-29 | 1939-02-07 | Victor Mfg & Gasket Co | Fluid seal with integral vulcanized packing |
US3519316A (en) * | 1967-06-16 | 1970-07-07 | Skf Svenska Kullagerfab Ab | Rolling bearing unit |
US3856368A (en) * | 1971-05-28 | 1974-12-24 | K Andersen | Fluid seal for bearing assembly |
DE19916934A1 (de) * | 1999-04-15 | 2000-10-19 | Fag Automobiltechnik Ag | Kassettendichtung für Wälzlager |
JP2001116055A (ja) * | 1998-09-30 | 2001-04-27 | Ntn Corp | 複列円すいころ軸受 |
JP2006234054A (ja) * | 2005-02-24 | 2006-09-07 | Ntn Corp | 軸受構造 |
EP1830086A1 (fr) * | 2004-12-16 | 2007-09-05 | Uchiyama Manufacturing Corp. | Structure de joint pour element de rotation |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0730987Y2 (ja) * | 1985-10-18 | 1995-07-19 | エヌティエヌ株式会社 | 軸受のシ−ル装置 |
JPS62278315A (ja) * | 1986-05-24 | 1987-12-03 | Koyo Seiko Co Ltd | 軸受装置 |
DE19853187A1 (de) * | 1998-11-18 | 2000-06-15 | Fag Automobiltechnik Ag | Kassettendichtung für Wälzlager |
JPWO2003071147A1 (ja) * | 2002-02-19 | 2005-06-16 | 日本精工株式会社 | 車輪支持用転がり軸受ユニット |
WO2003081096A1 (fr) * | 2002-03-25 | 2003-10-02 | Nsk Ltd. | Bague d'etancheite et unite de roulement a rouleaux equipee d'une bague d'etancheite |
DE10302069A1 (de) * | 2003-01-21 | 2004-07-29 | Ina-Schaeffler Kg | Dichtungsbaugruppe für eine Lagerbüchse |
JP4318205B2 (ja) * | 2003-06-23 | 2009-08-19 | Ntn株式会社 | 車輪用転がり軸受およびそれを備えた半浮動式車輪用軸受装置 |
JP2005201435A (ja) * | 2003-12-18 | 2005-07-28 | Koyo Seiko Co Ltd | 密封装置およびこれを含む通電軸受 |
JP4925398B2 (ja) * | 2005-05-19 | 2012-04-25 | 内山工業株式会社 | 密封装置 |
-
2007
- 2007-09-06 DE DE102007042368A patent/DE102007042368A1/de not_active Withdrawn
-
2008
- 2008-08-27 US US12/674,116 patent/US8439571B2/en not_active Expired - Fee Related
- 2008-08-27 WO PCT/DE2008/001431 patent/WO2009030201A1/fr active Application Filing
- 2008-08-27 EP EP08801239A patent/EP2195563A1/fr not_active Ceased
- 2008-08-27 JP JP2010523269A patent/JP2010538222A/ja active Pending
- 2008-08-27 CN CN2008801059823A patent/CN101970916A/zh active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2145928A (en) * | 1936-07-29 | 1939-02-07 | Victor Mfg & Gasket Co | Fluid seal with integral vulcanized packing |
US3519316A (en) * | 1967-06-16 | 1970-07-07 | Skf Svenska Kullagerfab Ab | Rolling bearing unit |
US3856368A (en) * | 1971-05-28 | 1974-12-24 | K Andersen | Fluid seal for bearing assembly |
JP2001116055A (ja) * | 1998-09-30 | 2001-04-27 | Ntn Corp | 複列円すいころ軸受 |
DE19916934A1 (de) * | 1999-04-15 | 2000-10-19 | Fag Automobiltechnik Ag | Kassettendichtung für Wälzlager |
EP1830086A1 (fr) * | 2004-12-16 | 2007-09-05 | Uchiyama Manufacturing Corp. | Structure de joint pour element de rotation |
JP2006234054A (ja) * | 2005-02-24 | 2006-09-07 | Ntn Corp | 軸受構造 |
Non-Patent Citations (1)
Title |
---|
See also references of WO2009030201A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2009030201A1 (fr) | 2009-03-12 |
CN101970916A (zh) | 2011-02-09 |
US8439571B2 (en) | 2013-05-14 |
JP2010538222A (ja) | 2010-12-09 |
DE102007042368A1 (de) | 2009-03-19 |
US20110188791A1 (en) | 2011-08-04 |
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Legal Events
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