DE112009004785T5 - Sealing device for Wälziager - Google Patents
Sealing device for Wälziager Download PDFInfo
- Publication number
- DE112009004785T5 DE112009004785T5 DE112009004785T DE112009004785T DE112009004785T5 DE 112009004785 T5 DE112009004785 T5 DE 112009004785T5 DE 112009004785 T DE112009004785 T DE 112009004785T DE 112009004785 T DE112009004785 T DE 112009004785T DE 112009004785 T5 DE112009004785 T5 DE 112009004785T5
- Authority
- DE
- Germany
- Prior art keywords
- sealing device
- shield
- sealing
- ring
- annular
- 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.)
- Pending
Links
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
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3436—Pressing means
- F16J15/3456—Pressing means without external means for pressing the ring against the face, e.g. slip-ring with a resilient 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
- 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
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/783—Details of the sealing or parts thereof, e.g. geometry, material of the mounting region
-
- 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
- F16C33/7859—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 with a further sealing element
- F16C33/7863—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 with a further sealing element mounted to the inner race, e.g. a flinger to use centrifugal effect
-
- 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
- F16C19/02—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
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned
-
- 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
- F16C33/7886—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted outside the gap between the inner and outer races, e.g. sealing rings mounted to an end face or outer surface of a 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
Abstract
Dichtvorrichtung (110) für ein Wälzlager (1), wobei die Dichtvorrichtung (110) mit einer Dichtungsabdeckung (20) versehen ist, die zwischen einem Außenring und einem Innenring des Wälzlagers (1) angeordnet ist, und weiter mit einer ringförmigen Abschirmung (40) versehen ist, die mit dem Innenring gekoppelt ist. Die Abschirmung (40) ist seitlich zur Dichtungsabdeckung (20) angeordnet, um dazwischen einen Ringspalt (G) zu definieren. Erfindungsgemäß enthält die Dichtvorrichtung mindestens eine Dichtlippe (128), die sich von der Dichtungsabdeckung (20) erstreckt, um gegen die Abschirmung (40) anzuliegen, um eine abgedichtete Kammer (29) zwischen der Dichtungsabdeckung (20) und der Abschirmung (40) zu erzeugen.Sealing device (110) for a roller bearing (1), wherein the sealing device (110) is provided with a sealing cover (20) which is arranged between an outer ring and an inner ring of the roller bearing (1), and further with an annular shield (40) is provided, which is coupled to the inner ring. The shield (40) is arranged to the side of the seal cover (20) in order to define an annular gap (G) between them. According to the invention, the sealing device contains at least one sealing lip (128) which extends from the sealing cover (20) in order to rest against the shield (40) to form a sealed chamber (29) between the sealing cover (20) and the shield (40) produce.
Description
TECHNISCHES GEBIETTECHNICAL AREA
Die vorliegende Erfindung bezieht sich auf eine Dichtvorrichtung für Wälzlager.The present invention relates to a sealing device for rolling bearings.
HINTERGRUNDBACKGROUND
Die
Die oben beschriebene Dichtvorrichtung ist billig in der Herstellung und leicht auf einem Lager einzusetzen. Bei manchen Anwendungen ist die Dichtfähigkeit dieser Dichtvorrichtung aber besonders herausgefordert, wenn große Mengen von Fremdkörpern wie Staub und Schlamm vorhanden sind.The sealing device described above is inexpensive to manufacture and easy to use on a bearing. In some applications, however, the sealing ability of this sealing device is particularly challenged when large quantities of foreign matter such as dust and sludge are present.
ZUSAMMENFASSUNGSUMMARY
Es ist ein allgemeines Ziel der vorliegenden Erfindung, eine Dichtvorrichtung für Wälzlager bereitzustellen, die eine weitere Verbesserung der Dichtfähigkeit ermöglicht, ohne zu höheren Einsetz- und Herstellungskosten zu führen.It is a general object of the present invention to provide a rolling bearing sealing device which enables a further improvement in sealing ability without leading to higher insertion and production costs.
Gemäß der vorliegenden Erfindung wird eine Dichtvorrichtung für ein Wälzlager hergestellt, die eine Dichtungsabdeckung enthält, welche zwischen zwei Ringen des Wälzlagers angeordnet ist, und eine ringförmige Abschirmung enthält, die mit einem ersten Ring der zwei Lagerringe gekoppelt ist. Die Dichtungsabdeckung ist seitlich zu den Wälzkörpern des Wälzlagers und zur ringförmigen Abschirmung derart angeordnet, dass ein Ringspalt zwischen gegenüberliegenden Flächen der Dichtvorrichtung und der ringförmigen Abschirmung gebildet wird. Erfindungsgemäß enthält die Dichtvorrichtung mindestens eine Dichtlippe, die sich von der Dichtungsabdeckung in einer axial nach außen weisenden Richtung erstreckt und die ringförmige Abschirmung kontaktiert, wodurch eine abgedichtete Kammer zwischen der Dichtungsabdeckung und der Abschirmung erzeugt wird.According to the present invention, a rolling bearing sealing device is provided which includes a seal cover disposed between two rings of the rolling bearing and includes an annular shield coupled to a first ring of the two bearing rings. The seal cover is disposed laterally of the rolling elements of the rolling bearing and the annular shield such that an annular gap between opposite surfaces of the sealing device and the annular shield is formed. According to the invention, the sealing device includes at least one sealing lip which extends from the seal cover in an axially outward direction and contacts the annular shield, thereby creating a sealed chamber between the seal cover and the shield.
Andere Merkmale und Vorteile der Erfindung gehen für den Fachmann aus der nachfolgenden ausführlichen Beschreibung, Ansprüchen und Zeichnungen hervor.Other features and advantages of the invention will become apparent to those skilled in the art from the following detailed description, claims, and drawings.
Die vorliegende Erfindung wird nun unter Bezug auf die beiliegenden Zeichnungen beschrieben, die mehrere nicht einschränkende Ausführungsformen der vorliegenden Erfindung darstellen, und in denen;The present invention will now be described with reference to the accompanying drawings, which illustrate several non-limiting embodiments of the present invention, and in which;
die
AUSFÜHRLICHE BESCHREIBUNGDETAILED DESCRIPTION
Mit Bezug auf
Axial innen bezieht sich auf eine Richtung zu den Wälzkörpern
Um zu verhindern, das irgendwelche Fremdstoffe oder dergleichen in das Wälzlager
- – eine
Dichtungsabdeckung 20 , die zwischen demAußenring 2 und einemInnenring 3 und seitlich zu denWälzkörpern 4 angeordnet ist; und - – eine
ringförmige Abschirmung 40 , die mit demInnenring 3 gekoppelt und seitlich zurDichtungsabdeckung 20 angeordnet ist, um einen Ringspalt G mit derDichtungsabdeckung 20 zu definieren.
- - a
sealing cover 20 between theouter ring 2 and aninner ring 3 and laterally to therolling elements 4 is arranged; and - - An
annular shield 40 that with theinner ring 3 coupled and laterally to theseal cover 20 is arranged around an annular gap G with theseal cover 20 define.
Beide, die Dichtungsabdeckung
Die Abschirmung
Die Abschirmung
Weiter schrägt die nach innen konvexe Form der Kante
Der flache Teil
Wie besser in
Das Gehäuse
In dem Beispiel der
In einem alternativen Beispiel, wie in
In einem weiteren alternativen Beispiel, wie in
In noch einem weiteren alternativen Beispiel, wie in
In den oben beschriebenen alternativen Beispielen ist die Abschirmung
Wieder unter Bezug auf
Genauer enthält das Kernelement
Das elastische Element
Die Außenkante
Das distale Ende
Die erste Lippe
Das elastische Element
Die konische Fläche
Die axial äußere Dichtlippe
In
Eine weitere Ausführungsform einer erfindungsgemäßen Dichtvorrichtung ist in
Eine weitere Ausführungsform einer erfindungsgemäßen Dichtvorrichtung ist in
Eine weitere Ausführungsform einer erfindungsgemäßen Dichtvorrichtung ist in
Noch eine weitere Ausführungsform einer erfindungsgemäßen Dichtvorrichtung ist in
Die verschiedenen beschriebenen Ausführungsformen der Dichtvorrichtung erlauben verschiedene Dichtvorgänge, ohne andere Einbauvorgänge zu erfordern.The various described embodiments of the sealing device allow various sealing operations without requiring other installation operations.
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- EP 02025910 [0002] EP 02025910 [0002]
Claims (14)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2009/003594 WO2010133240A1 (en) | 2009-05-20 | 2009-05-20 | Sealing device for rolling contact bearings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE112009004785T5 true DE112009004785T5 (en) | 2012-11-15 |
Family
ID=41394916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE112009004785T Pending DE112009004785T5 (en) | 2009-05-20 | 2009-05-20 | Sealing device for Wälziager |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE112009004785T5 (en) |
| WO (1) | WO2010133240A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015225165B4 (en) * | 2014-12-15 | 2025-12-24 | Aktiebolaget Skf | Rolling bearing comprising a sealing flange |
| DE102015225164B4 (en) | 2014-12-15 | 2026-01-22 | Aktiebolaget Skf | Rolling bearing comprising a sealing flange |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2500593A1 (en) | 2011-03-17 | 2012-09-19 | Aktiebolaget SKF | Sealing device, notably for a rolling bearing |
| WO2014060042A1 (en) * | 2012-10-19 | 2014-04-24 | Aktiebolaget Skf | Rolling bearing with sealing subassembly |
| FR3018568A1 (en) * | 2014-03-11 | 2015-09-18 | Skf Ab | BEARING BEARING COMPRISING AN ENVELOPE FOR MAINTAINING ONE OF THE RINGS AND A DEVICE FOR SEALING |
| FR3035929B1 (en) | 2015-05-04 | 2017-11-03 | Skf Ab | BEARING COMPRISING AN ELASTIC SEALING FLANGE |
| FR3035931B1 (en) | 2015-05-04 | 2017-04-28 | Skf Ab | BEARING COMPRISING A SEALING FLANGE |
| FR3035930A1 (en) * | 2015-05-04 | 2016-11-11 | Skf Ab | BEARING COMPRISING A SEALING FLANGE |
| DE102015220137A1 (en) * | 2015-10-16 | 2017-04-20 | Aktiebolaget Skf | roller bearing |
| DE102015220136A1 (en) * | 2015-10-16 | 2017-04-20 | Aktiebolaget Skf | roller bearing |
| DE102015220138A1 (en) * | 2015-10-16 | 2017-04-20 | Aktiebolaget Skf | roller bearing |
| JP6262788B2 (en) * | 2016-03-28 | 2018-01-17 | 公益財団法人岡山県産業振興財団 | Seal structure |
| CN108105265A (en) | 2016-11-25 | 2018-06-01 | 斯凯孚公司 | sealing device, especially suitable for rolling bearing |
| DE102018114677A1 (en) * | 2018-06-19 | 2019-12-19 | Schaeffler Technologies AG & Co. KG | Rolling bearing and seal arrangement with at least two sealing lips |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2025910A1 (en) | 2007-07-30 | 2009-02-18 | Cooper-Standard Automotive (Deutschland) GmbH | Exhaust gas recirculation system |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2856208A (en) * | 1956-02-23 | 1958-10-14 | Gen Motors Corp | Closure |
| GB793407A (en) * | 1956-06-25 | 1958-04-16 | Skf Svenska Kullagerfab Ab | Improvements in or relating to ball or roller bearings |
| JPS5254693Y2 (en) * | 1973-02-27 | 1977-12-10 | ||
| JPS6165915A (en) * | 1984-09-07 | 1986-04-04 | エスカーエフ ゲーエムベーハー | Sealing device for roller bearing |
| IT8553276U1 (en) * | 1985-04-19 | 1986-10-19 | Riv Skf Officine Di Villar Perosa S P A | Double screen watertight sealing complex |
| JP2005282669A (en) * | 2004-03-29 | 2005-10-13 | Koyo Seiko Co Ltd | Rolling bearing sealing device |
| JP2007211753A (en) * | 2006-02-13 | 2007-08-23 | Nsk Ltd | underwater pump |
| JP2009008163A (en) * | 2007-06-28 | 2009-01-15 | Nsk Ltd | Sealing device |
| JP2009156274A (en) * | 2007-12-25 | 2009-07-16 | Toyota Motor Corp | Bearing structure |
| JP4953023B2 (en) * | 2008-03-07 | 2012-06-13 | 株式会社ジェイテクト | Sealing device for bearing |
-
2009
- 2009-05-20 WO PCT/EP2009/003594 patent/WO2010133240A1/en not_active Ceased
- 2009-05-20 DE DE112009004785T patent/DE112009004785T5/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2025910A1 (en) | 2007-07-30 | 2009-02-18 | Cooper-Standard Automotive (Deutschland) GmbH | Exhaust gas recirculation system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015225165B4 (en) * | 2014-12-15 | 2025-12-24 | Aktiebolaget Skf | Rolling bearing comprising a sealing flange |
| DE102015225164B4 (en) | 2014-12-15 | 2026-01-22 | Aktiebolaget Skf | Rolling bearing comprising a sealing flange |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010133240A1 (en) | 2010-11-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R012 | Request for examination validly filed | ||
| R016 | Response to examination communication |