WO2014029398A2 - Release bearing - Google Patents
Release bearing Download PDFInfo
- Publication number
- WO2014029398A2 WO2014029398A2 PCT/DE2013/200130 DE2013200130W WO2014029398A2 WO 2014029398 A2 WO2014029398 A2 WO 2014029398A2 DE 2013200130 W DE2013200130 W DE 2013200130W WO 2014029398 A2 WO2014029398 A2 WO 2014029398A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bearing
- seal
- annular
- thrust washer
- ring
- Prior art date
Links
Classifications
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
- F16D23/14—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or 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
- 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
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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
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
- F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
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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
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/43—Clutches, e.g. disengaging bearing
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/08—Details or arrangements of sealings not provided for in group F16D3/84
Definitions
- the invention relates to a clutch release bearing device with an inner bearing ring, an outer bearing ring and rolling elements, which are guided by a cage and roll on provided by the bearing races raceways, the annular space located rolling elements of two, each rotatably with one of the bearing rings are connected and sealed against each other at the other bearing ring contact seals are sealed against the environment.
- the invention is concerned with a clutch release device that withstands high running loads, even in off-road use, where increased dirt and dust loads must be expected.
- Such a clutch release bearing device is known from DE 19503217.
- two contacting seals are provided, of which a seal is non-rotatably connected to the outer ring and extends in the direction of the inner ring and rests on a sealing surface provided by the inner ring.
- the other of the two contacting seals is connected via sliding piece indirectly to the outer ring and extends from the sliding piece with which it is connected in a rotationally fixed manner in the direction of a sealing surface which is provided on the outside by a flange provided on the inner ring.
- Gap seal upstream which keeps out coarse particles and which is formed by the interaction of the flange with the sliding piece.
- the invention has for its object to provide a Kupplungsausschreib- storage device, which is characterized by a simplified manufacturability and high insensitivity to dust, etc., without causing the heat input is increased in the camp.
- Another object of the invention is to provide a sealing unit which, despite the self-centering properties of Kupplungsausgur- storage facility and thus unavoidable angular mobility of parts of the clutch release bearing provides a good seal against environmental influences.
- the thrust washer can be connected in the usual way with the outer ring as by clipping, which then no longer because of the available space it would be possible if the outer ring itself or the flange of the outer ring extending in the direction of the axis of rotation would form the sealing surface of the non-contacting seal, in which the non-contacting seal would be coarse particles and the contact seal following in the direction of the rolling elements would not contain any particles from the outer ring Keeps the bearing interior away.
- the first or the second seal in the sealing space which is provided by the non-contact seal, then the non-contacting seal coarse and then from the direction of the rolling elements subsequent contact seal fine particles are kept away from the bearing interior, which a very sustainable seal speaks.
- the ring surface facing away from the inner bearing ring of the annular disk and the inner peripheral surface of the thrust washer, which the circular disk radially adjoins an angle between 91 and 160 °, is ensured by this bevel that accumulates on the annular disk particles be spun on rotation of the outer ring and thus have no way to penetrate into the bearing interior.
- annular disk near the end of the outer bearing ring and / or the annular disc against the inner bearing ring withdrawn and protrude the inner bearing ring or components which are connected to the inner bearing ring, in the direction of withdrawal remains a very uniform and for the good sealing effect responsible sealing gap obtained, even if it comes due to the self-centering to a slight relative movement of the sealing gap between them forming components.
- a release bearing 1 which comprises a bearing inner ring 2, a bearing outer ring 3 and rolling elements 4, which run from a cage 5 on the runways 2, 3 provided raceways 6, comprises.
- Each of these bearing rings 2, 3 is provided with a shoulder 7.1, 7.2, which extends radially in the direction of the axis of rotation R.
- seals 9 are provided.
- One of these seals 9.1 which is designed as a contact seal, is rotatably connected to the bearing outer ring 3 and extends radially in the direction of the bearing inner ring 2, where it rests under slight bias.
- Another seal 9.2 which seals the distance between the shoulders 7.1, 7.2 of the two bearing rings 2, 3 and which is likewise designed as a contacting seal, is supported by a metal support 10 which is fixed against rotation on the shoulder 7.1 of the bearing inner ring 2, two the metal support 10 connected sealing lips 1 1 .1, 1 1 .2 formed. These sealing lips 1 1 .1, 1 1 .2 are on the nenseite 12 of the bearing outer ring 3 for producing the sealing effect.
- a so-called thrust washer 14 is made of plastic, which is in physical contact with the diaphragm springs of the clutch (not shown).
- a circular disk 16 which has a reduced width B2 relative to the width B1 of the thrust washer 14. It can also be seen from the illustration according to the FIGURE that the annular disk 16 emerges from its inner peripheral surface 15 at a lateral distance from the two side surfaces 17 of the thrust washer 14.
- annular surface 18.1 of the annular disk 16 facing the bearing inner ring 2 assumes an angle of 90 ° to the inner peripheral surface 15 of the thrust washer 14, on the other side the inner peripheral surface 15 and the other annular surface 18.2 form an angle to improve the scattering of adhering particles from about 120 °.
- this seal 9.2 is preceded by a seal 9.3, which is designed as a so-called gap seal.
- This (gap) seal 9.3 is formed by the bearing ring 2 facing annular surface 18.1 of the circular disk 16 and the metal carrier 10, wherein the metal carrier 10, which is a so far connected to the bearing inner ring 2 component, one in the direction of the circular disk 16 and . the withdrawal of which 19 has pointing circumferential projection 20.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Sealing Of Bearings (AREA)
Abstract
The invention specifies a release bearing (1) which has at least one contact seal (9.2) which protects the annular space (8) between the bearing rings (2, 3) against environmental influences. To improve its sealing action, said seal (9.2) has positioned in front of it a gap seal (9.3) for separating out coarse particles. Said gap seal (9.3) is formed between an annular disk (16), which extends radially from a thrust washer (14) which bears against the bearing outer ring (3), and a component (10, 20) which is connected to the bearing inner ring (2).
Description
Bezeichnung der Erfindung Name of the invention
Ausrücklager Beschreibung Releaser Description
Die Erfindung bezieht sich auf eine Kupplungsausrücklagereinrichtung mit einem inneren Lagerring, einem äußeren Lagerring und Wälzkörpern, die von einem Käfig geführt werden und auf von den Lagerringen bereit- gestellten Laufbahnen abrollen, wobei die sich Ringraum befindlichen Wälzkörper von zwei, jeweils mit einem der Lagerringe drehfest verbundenen und jeweils am anderen Lagerring berührend anstehenden Dichtungen gegenüber der Umwelt abgedichtet sind. Insbesondere befasst sich die Erfindung hierbei mit einer Kupplungsausrückeinrichtung, die auch im Geländeeinsatz, wo mit erhöhten Schmutz- und Staubbeaufschlagungen gerechnet werden muss, hohen Laufbelastungen standhält. The invention relates to a clutch release bearing device with an inner bearing ring, an outer bearing ring and rolling elements, which are guided by a cage and roll on provided by the bearing races raceways, the annular space located rolling elements of two, each rotatably with one of the bearing rings are connected and sealed against each other at the other bearing ring contact seals are sealed against the environment. In particular, the invention is concerned with a clutch release device that withstands high running loads, even in off-road use, where increased dirt and dust loads must be expected.
Gebiet der Erfindung Field of the invention
Eine solche Kupplungsausrücklagereinrichtung ist aus DE 19503217 bekannt. Zur Abdichtung des Ringraums und der darin abrollenden Wälzkörper sind zwei berührende Dichtungen vorgesehen, von denen eine Dichtung mit dem Außenring drehfest verbunden ist und sich in Richtung des Innenrings erstreckt und auf einer von Innenring bereitgestellten Dichtfläche aufsteht. Die andere der beiden berührenden Dichtungen ist über Schiebestück indirekt mit dem Außenring verbunden und erstreckt sich von dem Schiebestück, mit dem sie drehfest verbunden ist, in Rich- tung einer Dichtfläche, die an der Außenseite von einem am Innenring vorgesehenen Flansch bereitgestellt wird. Zur Verbesserung der Dichtwirkung ist der letztbenannten Dichtung noch eine sog. Spaltdichtung
vorgelagert, welche grobe Partikel fernhält und welche durch das Zu- sammenspiel des Flansches mit dem Schiebestück gebildet wird. Such a clutch release bearing device is known from DE 19503217. For sealing the annular space and the rolling elements rolling therein, two contacting seals are provided, of which a seal is non-rotatably connected to the outer ring and extends in the direction of the inner ring and rests on a sealing surface provided by the inner ring. The other of the two contacting seals is connected via sliding piece indirectly to the outer ring and extends from the sliding piece with which it is connected in a rotationally fixed manner in the direction of a sealing surface which is provided on the outside by a flange provided on the inner ring. To improve the sealing effect of the last-named seal is still a so-called. Gap seal upstream, which keeps out coarse particles and which is formed by the interaction of the flange with the sliding piece.
Aus DE 19012432 ist eine Kupplungsausrücklagereinrichtung bekannt, bei welchem der Ringraum mittels von sog. Spaltdichtungen abgedichtet ist. From DE 19012432 a clutch release bearing device is known in which the annular space is sealed by means of so-called gap seals.
Außerdem ist es bekannt, zwischen den Federzungen der Membranfeder der Trennkupplung und dem Flansch des Ausrücklagers, mit welchem die Federzungen zusammenwirken, zur Geräuschminderung eine sogenannte Anlaufscheibe aus Kunststoff zwischenzuordnen. Dabei wird in aller Regel die Anlaufscheibe in den Innendurchmesser des Außenrings ein- geclipst. Moreover, it is known between the spring tongues of the diaphragm spring of the separating clutch and the flange of the release bearing, with which cooperate the spring tongues, interspersed for noise reduction, a so-called thrust washer made of plastic. As a rule, the thrust washer is clipped into the inner diameter of the outer ring.
Aufgabe der Erfindung Object of the invention
Daher liegt der Erfindung die Aufgabe zugrunde, eine Kupplungsausrück- lagereinrichtung anzugeben, welche sich durch eine vereinfachte Herstellbarkeit und eine hohe Unempfindlichkeit gegenüber Staub, etc. auszeichnet, ohne dass dabei der Wärmeeintrag ins Lager erhöht wird. Eine weitere Aufgabe der Erfindung ist es, eine Dichteinheit anzugeben, welche trotz der selbstzentrierenden Eigenschaften von Kupplungsausrück- lagereinrichtung und der damit nicht vermeidbaren Winkelbeweglichkeit von Teilen der Kupplungsausrücklagereinrichtung eine gute Dichtheit gegenüber Umwelteinflüssen bereitstellt.
Zusammenfassung der Erfindung Therefore, the invention has for its object to provide a Kupplungsausrück- storage device, which is characterized by a simplified manufacturability and high insensitivity to dust, etc., without causing the heat input is increased in the camp. Another object of the invention is to provide a sealing unit which, despite the self-centering properties of Kupplungsausrück- storage facility and thus unavoidable angular mobility of parts of the clutch release bearing provides a good seal against environmental influences. Summary of the invention
Diese Aufgabe wird durch die in Anspruch 1 angegebenen Merkmale ge- löst. Vorteilhafte Aus- und Weiterbildungen der Erfindung sind den Ansprüchen 2 bis 4 entnehmbar. This object is achieved by the features specified in claim 1. Advantageous embodiments and further developments of the invention are the claims 2 to 4 can be removed.
Schließt gemäß Anspruch 1 an die innere Umfangsfläche der Anlaufscheibe in Richtung der Rotationsachse eine Kreisringscheibe an, deren Breite B1 eine gegenüber der Anlaufscheibe verminderte Breite B2 hat, und bildet die Kreisringscheibe zusammen mit dem stehenden Lagerring eine nicht berührende (Spalt-) Dichtung aus, dann wird in einfacher Weise eine Dichteinheit gebildet. Dadurch, dass die Anlaufscheibe bzw. die mit ihrem äußeren Umfangsrand vorzugsweise einstückig verbundenen Kreisringscheibe eine der Dichtflächen der nicht berührenden Dichtung bereitstellt, kann die Anlaufscheibe in gewohnter Weise mit dem Außenring etwa durch Aufclipsen verbunden werden, was wegen des zur Verfügung stehenden Bauraums dann nicht mehr möglich wäre, wenn der Außenring selbst bzw. der sich in Richtung der Rotationsachse erstre- ckende Flansch des Außenrings die Dichtfläche der nicht berührenden Dichtung bilden würde, bei welcher die nicht berührende Dichtung grobe Partikel und die in Richtung der Wälzkörper folgende berührende Dichtung keine Partikel vom Lagerinneren fernhält. Befindet sich gemäß Anspruch 2 die erste oder die zweite Dichtung im Dichtraum, der von der nicht berührenden Dichtung bereitgestellt wird, dann werden von der nicht berührenden Dichtung grobe und von der dann in Richtung der Wälzkörper folgenden berührenden Dichtung feine Partikel vom Lagerinneren ferngehalten, was für eine sehr nachhaltige Abdichtung spricht.
Schließen gemäß Anspruch 3 die dem inneren Lagerring abgewandte Ringfläche der Kreisringscheibe und die innere Umfangsfläche der Anlaufscheibe, an welche die Kreisringscheibe radial anschließt, einen Winkel zwischen 91 und 160° ein, wird durch diese Abschrägung sicherge- stellt, dass sich an der Kreisringscheibe anlagernde Partikel bei Drehung des Außenrings abgeschleudert werden und somit keine Möglichkeit haben, ins Lagerinnere vorzudringen. Concludes according to claim 1 to the inner peripheral surface of the thrust washer in the direction of the axis of rotation on a circular disk whose width B1 has a relation to the thrust washer reduced width B2, and forms the annular disc together with the stationary bearing ring a non-contacting (gap) seal, then a sealing unit is formed in a simple manner. Characterized in that the thrust washer or preferably integrally connected with its outer peripheral edge annular disc provides one of the sealing surfaces of the non-contacting seal, the thrust washer can be connected in the usual way with the outer ring as by clipping, which then no longer because of the available space it would be possible if the outer ring itself or the flange of the outer ring extending in the direction of the axis of rotation would form the sealing surface of the non-contacting seal, in which the non-contacting seal would be coarse particles and the contact seal following in the direction of the rolling elements would not contain any particles from the outer ring Keeps the bearing interior away. If according to claim 2, the first or the second seal in the sealing space, which is provided by the non-contact seal, then the non-contacting seal coarse and then from the direction of the rolling elements subsequent contact seal fine particles are kept away from the bearing interior, which a very sustainable seal speaks. Closing according to claim 3, the ring surface facing away from the inner bearing ring of the annular disk and the inner peripheral surface of the thrust washer, which the circular disk radially adjoins an angle between 91 and 160 °, is ensured by this bevel that accumulates on the annular disk particles be spun on rotation of the outer ring and thus have no way to penetrate into the bearing interior.
Ist gemäß Anspruch 4 das der Kreisringscheibe nahe Ende des äußeren Lagerrings und/oder die Kreisringscheibe gegenüber dem inneren Lagerring zurückgenommen und ragen der innere Lagerring oder Bauteile, die mit dem inneren Lagerring verbunden sind, in Richtung der Rücknahme, bleibt ein sehr gleichmäßiger und für die gute Dichtwirkung ver- antwortlicher Dichtspalt erhalten, selbst wenn es bedingt durch die Selbstzentrierung zu einer geringfügigen Relativbewegung der den Dichtspalt zwischen sich ausbildenden Bauteilen kommt. Is in accordance with claim 4 that the annular disk near the end of the outer bearing ring and / or the annular disc against the inner bearing ring withdrawn and protrude the inner bearing ring or components which are connected to the inner bearing ring, in the direction of withdrawal, remains a very uniform and for the good sealing effect responsible sealing gap obtained, even if it comes due to the self-centering to a slight relative movement of the sealing gap between them forming components.
Detaillierte Beschreibung der Zeichnung Detailed description of the drawing
Die Erfindung soll nun anhand einer einzigen Figur näher erläutert werden. The invention will now be explained in more detail with reference to a single figure.
In dieser Figur ist ein Ausrücklager 1 gezeigt, welches einen Lagerinnenring 2, einen Lageraußenring 3 und Wälzkörper 4, die von einem Käfig 5 geführt auf von den Laufringen 2, 3 bereitgestellten Laufbahnen 6 abrollen, umfaßt. Jeder dieser Lagerringe 2, 3 ist mit einer Schulter 7.1 , 7.2 versehen, die sich radial in Richtung der Rotationsachse R erstreckt.
Um die im Ringraum 8 zwischen den Lagerringen 2, 3 abrollenden Wälzkörper 4 gegen Umwelteinflüsse zu schützen bzw. um das zur Schmierung der Wälzkörper 4 erforderliche Schmiermittel im Ringraum zu halten, sind Dichtungen 9 vorgesehen. Eine dieser Dichtung 9.1 , welche als berührende Dichtung ausgebildet ist, ist drehfest mit dem Lageraußenring 3 verbunden und erstreckt sich radial in Richtung des Lagerinnenrings 2, an dem sie unter leichter Vorspannung anliegt. In this figure, a release bearing 1 is shown, which comprises a bearing inner ring 2, a bearing outer ring 3 and rolling elements 4, which run from a cage 5 on the runways 2, 3 provided raceways 6, comprises. Each of these bearing rings 2, 3 is provided with a shoulder 7.1, 7.2, which extends radially in the direction of the axis of rotation R. To protect the rolling in the annular space 8 between the bearing rings 2, 3 rolling elements 4 against environmental influences or to keep the necessary lubrication of the rolling elements 4 lubricant in the annulus, seals 9 are provided. One of these seals 9.1, which is designed as a contact seal, is rotatably connected to the bearing outer ring 3 and extends radially in the direction of the bearing inner ring 2, where it rests under slight bias.
Eine weitere Dichtung 9.2, welche den Abstand zwischen den Schultern 7.1 , 7.2 der beiden Lagerringe 2, 3 abdichtet und welche ebenfalls als berührende Dichtung ausgebildet ist, wird von einem Metallträger 10, der an der Schulter 7.1 des Lagerinnenrings 2 drehfest fixiert ist, zwei mit dem Metallträger 10 verbundenen Dichtlippen 1 1 .1 , 1 1 .2 gebildet. Diese Dichtlippen 1 1 .1 , 1 1 .2 stehen zur Herstellung der Dichtwirkung an der In- nenseite 12 des Lageraußenrings 3 auf. Another seal 9.2, which seals the distance between the shoulders 7.1, 7.2 of the two bearing rings 2, 3 and which is likewise designed as a contacting seal, is supported by a metal support 10 which is fixed against rotation on the shoulder 7.1 of the bearing inner ring 2, two the metal support 10 connected sealing lips 1 1 .1, 1 1 .2 formed. These sealing lips 1 1 .1, 1 1 .2 are on the nenseite 12 of the bearing outer ring 3 for producing the sealing effect.
An die Außenseite 13 des Lageraußenrings 3 ist eine sogenannte Anlaufscheibe 14 aus Kunststoff angesetzt, welche mit den Membranfedern der Kupplung (alles nicht gezeigt) in körperlichem Kontakt steht. An die innere Umfangsfläche 15 der Anlaufscheibe 14 schließt in Richtung der Rotationsachse R eine Kreisringscheibe 16 an, die eine gegenüber der Breite B1 der Anlaufscheibe 14 verminderte Breite B2 hat. Auch ist der Darstellung gemäß der Figur entnehmbar, dass die Kreisringscheibe 16 mit seitlichem Abstand zu den beiden Seitenflächen 17 der Anlaufschei- be 14 aus deren innerer Umfangsfläche 15 heraustritt. On the outer side 13 of the bearing outer ring 3, a so-called thrust washer 14 is made of plastic, which is in physical contact with the diaphragm springs of the clutch (not shown). To the inner peripheral surface 15 of the thrust washer 14 includes in the direction of the axis of rotation R, a circular disk 16, which has a reduced width B2 relative to the width B1 of the thrust washer 14. It can also be seen from the illustration according to the FIGURE that the annular disk 16 emerges from its inner peripheral surface 15 at a lateral distance from the two side surfaces 17 of the thrust washer 14.
Während die dem Lagerinnenring 2 zugewandte Ringfläche 18.1 der Kreisringscheibe 16 einen Winkel von 90° zur inneren Umfangsfläche 15 der Anlaufscheibe 14 einnimmt, schließen an der anderen Seite die inne- re Umfangsfläche 15 und die andere Ringfläche 18.2 zur Verbesserung des Abschleuderns von anhaftenden Partikeln einen Winkel von etwa 120° ein.
Um die Dichtung 9.2, welche als Feindichtung ausgelegt ist, nicht zu ü- berlasten, ist dieser Dichtung 9.2 eine Dichtung 9.3 vorgeordnet, welche als sog. Spaltdichtung ausgebildet ist. Diese (Spalt-) Dichtung 9.3 wird von der dem Lagerinnenring 2 zugewandten Ringfläche 18. 1 der Kreisringscheibe 16 und dem Metallträger 10 gebildet, wobei der Metallträger 10, welcher insofern ein mit dem Lagerinnenring 2 verbundenes Bauteil ist, einen in Richtung der Kreisringscheibe 16 bzw. deren Rücknahme 19 weisenden umlaufenden Vorsprung 20 aufweist.
While the annular surface 18.1 of the annular disk 16 facing the bearing inner ring 2 assumes an angle of 90 ° to the inner peripheral surface 15 of the thrust washer 14, on the other side the inner peripheral surface 15 and the other annular surface 18.2 form an angle to improve the scattering of adhering particles from about 120 °. In order not to overload the seal 9.2, which is designed as a direct seal, this seal 9.2 is preceded by a seal 9.3, which is designed as a so-called gap seal. This (gap) seal 9.3 is formed by the bearing ring 2 facing annular surface 18.1 of the circular disk 16 and the metal carrier 10, wherein the metal carrier 10, which is a so far connected to the bearing inner ring 2 component, one in the direction of the circular disk 16 and . the withdrawal of which 19 has pointing circumferential projection 20.
Bezugszeichenliste LIST OF REFERENCE NUMBERS
1 Ausrücklager 1 release bearing
2 Lagerinnenring 2 bearing inner ring
3 Lageraußenring 3 bearing outer ring
4 Wälzkörper 4 rolling elements
5 Käfig 5 cage
6 Laufbahnen 6 raceways
7.1, 7.2 Schulter 7.1, 7.2 shoulder
8 Ringraum 8 annulus
9, 9.1, 9.2 Dichtung 9, 9.1, 9.2 seal
10 Metallträger 10 metal carriers
11.1, 11. Dichtlippen 11.1, 11. Sealing lips
12 Innenseite 12 inside
13 Außenseite 13 outside
14 Anlaufscheibe 14 thrust washer
15 Umfangsfläche 15 peripheral surface
16 Kreisringscheibe 16 circular disk
17 Seitenflächen 17 side surfaces
18.1, 18.2 Ringfläche 18.1, 18.2 Ring surface
19 Rücknahme 19 redemption
20 Vorsprung
20 advantage
Claims
Patentansprüche claims
Ausrücklager mit einem inneren und einem äußeren Lagerring 2, 3, mit Wälzkörpern 4, die von einem Käfig 5 geführt zwischen den Lagerringen 2, 3 abrollen, mit einer kreisringförmigen, eine innere und eine äußere Umfangs- fläche 15 sowie zwei Seitenflächen 17 habenden Anlaufscheibe 14 aus Kunststoff, die an dem drehenden der beiden Lagerringe 2, 3 befestigt ist und an welcher sich Federzungen einer Tellerfeder einer Kupplung abstützen, und mit einer ersten und einer zweiten Dichtung 9.1 , 9.2 , wobei jede dieser Dichtungen mit einem der Lagerringe 2, 3 drehfest verbunden ist und sich zur Abdichtung eines Ringraumes 8 zwischen den beiden Lagerringen 2, 3 in Richtung des jeweils anderen Lagerrings 2, 3 erstreckt, dadurch gekennzeichnet, dass an die innere Umfangsfläche 15 der Anlaufscheibe 14 in Richtung der Rotationsachse R eine Kreisringscheibe 16 anschließt, deren Breite B1 eine gegenüber der Anlaufscheibe 14 verminderte Breite B2 hat, und dass die Kreisringscheibe 16 zusammen mit dem stehenden Lagerring 2 eine nicht berührende (Spalt-) Dichtung 9.3 bildet.
Ausrücklager nach Anspruch 1 dadurch gekennzeichnet, dass die erste oder zweite Dichtung 9.1 , 9.2 sich im Dichtraum befindet, der von der nicht berührenden Dichtung 9.3 abgedichtet ist. Release bearing with an inner and an outer bearing ring 2, 3, with rolling elements 4, which run guided by a cage 5 between the bearing rings 2, 3, with an annular, an inner and an outer peripheral surface 15 and two side surfaces 17 having thrust washer 14th made of plastic, which is fixed to the rotating of the two bearing rings 2, 3 and on which spring tongues of a plate spring of a clutch are supported, and with a first and a second seal 9.1, 9.2, each of these seals with one of the bearing rings 2, 3 rotatably is connected and extends to seal an annular space 8 between the two bearing rings 2, 3 in the direction of the other bearing ring 2, 3, characterized in that the inner peripheral surface 15 of the thrust washer 14 in the direction of the axis of rotation R is followed by a circular disk 16 whose Width B1 has a relation to the thrust washer 14 reduced width B2, and that the annular disc 16 to Together with the stationary bearing ring 2 forms a non-contacting (gap) seal 9.3. Release bearing according to claim 1, characterized in that the first or second seal 9.1, 9.2 is in the sealing space, which is sealed by the non-contact seal 9.3.
Ausrücklager nach einem der Ansprüche 1 oder 2 dadurch gekennzeichnet, dass die dem inneren Lagerring 2 abgewandte Ringfläche 18.2 der Kreisringscheibe 16 und die innere Umfangsflache 15 der Anlaufscheibe 14, an welche die Kreisringscheibe 16 radial anschließt, einen Winkel zwischen 91 und 160° einschließen. Release bearing according to one of claims 1 or 2, characterized in that the inner bearing ring 2 facing away from the annular surface 18.2 of the annular disk 16 and the inner peripheral surface 15 of the thrust washer 14, to which the annular disk 16 radially adjoins, enclose an angle between 91 and 160 °.
Ausrücklager nach einem der Ansprüche 1 bis 3 dadurch gekennzeichnet, dass das der Kreisringscheibe 16 nahe Ende der Anlaufscheibe 14 und/oder die Kreisringscheibe 16 gegenüber dem inneren Lagerring 2 zurückgenommen ist und dass der innere Lagerring 2 oder Bauteile 10, die mit dem inneren Lagerring 2 verbunden sind, in Richtung der Rücknahme 19 ragen.
Release bearing according to one of claims 1 to 3, characterized in that the annular disk 16 near the end of the thrust washer 14 and / or the annular disc 16 is withdrawn relative to the inner bearing ring 2 and that the inner bearing ring 2 or components 10, with the inner bearing ring. 2 are in the direction of the withdrawal 19 protrude.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012214905.8A DE102012214905A1 (en) | 2012-08-22 | 2012-08-22 | release bearing |
| DE102012214905.8 | 2012-08-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2014029398A2 true WO2014029398A2 (en) | 2014-02-27 |
| WO2014029398A3 WO2014029398A3 (en) | 2014-07-17 |
Family
ID=49170523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2013/200130 WO2014029398A2 (en) | 2012-08-22 | 2013-08-19 | Release bearing |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE102012214905A1 (en) |
| WO (1) | WO2014029398A2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014208863A1 (en) | 2014-05-12 | 2015-11-12 | Schaeffler Technologies AG & Co. KG | friction clutch |
| CN105987093A (en) * | 2015-03-16 | 2016-10-05 | 斯凯孚公司 | Bearing comprising a wear race |
| CN106015383A (en) * | 2015-03-24 | 2016-10-12 | 斯凯孚公司 | Bearing having overmoulded wear race, and associated manufacturing method |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3022004A1 (en) * | 2014-06-05 | 2015-12-11 | Skf Ab | BEARING BEARING AND MOUNTING METHOD |
| DE102014224540A1 (en) * | 2014-12-01 | 2016-06-02 | Schaeffler Technologies AG & Co. KG | Release bearing with thrust washer |
| DE102015215249A1 (en) * | 2015-08-11 | 2017-02-16 | Schaeffler Technologies AG & Co. KG | Rolling a Kupplungsausrückanordnung |
| DE102015215472A1 (en) | 2015-08-13 | 2017-02-16 | Schaeffler Technologies AG & Co. KG | Plastic thrust washer for a release bearing and method of making a thrust washer |
| DE102015215444A1 (en) | 2015-08-13 | 2017-02-16 | Schaeffler Technologies AG & Co. KG | Clutch |
| CN108071708B (en) * | 2016-11-07 | 2021-02-02 | 舍弗勒技术股份两合公司 | Release bearing |
| DE102017107363A1 (en) | 2017-04-06 | 2018-10-11 | Schaeffler Technologies AG & Co. KG | Clutch |
| DE102018101056A1 (en) | 2018-01-18 | 2019-07-18 | Schaeffler Technologies AG & Co. KG | Clutch |
| DE102021126917B3 (en) | 2021-10-18 | 2022-11-24 | Schaeffler Technologies AG & Co. KG | release bearing |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19503217A1 (en) | 1995-02-02 | 1996-08-08 | Schaeffler Waelzlager Kg | Release bearing for a hydraulic actuation device of a separating clutch |
| DE19912432A1 (en) | 1998-03-20 | 1999-09-23 | Luk Lamellen & Kupplungsbau | Automotive clutch disengagement bearing adapts to movement |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7036423U (en) * | 1970-10-02 | 1971-01-07 | Skf Kugellagerfabriken Gmbh | CLUTCH BEARING. |
| GB2259126B (en) * | 1991-05-15 | 1994-11-09 | Automotive Products Plc | Clutch release bearing assembly |
| DE102004034439A1 (en) * | 2004-07-16 | 2006-02-02 | Ina-Schaeffler Kg | Clutch release bearing, comprising particularly stable spacer ring with folded over outer area |
| DE102005053612A1 (en) * | 2005-11-10 | 2007-05-16 | Schaeffler Kg | Release bearing for an actuator of a clutch |
| DE102006053713A1 (en) * | 2006-11-15 | 2008-05-21 | Schaeffler Kg | Release ring and method for producing the same |
| JP5768334B2 (en) * | 2010-07-05 | 2015-08-26 | 株式会社ジェイテクト | Clutch release bearing device |
-
2012
- 2012-08-22 DE DE102012214905.8A patent/DE102012214905A1/en not_active Withdrawn
-
2013
- 2013-08-19 WO PCT/DE2013/200130 patent/WO2014029398A2/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19503217A1 (en) | 1995-02-02 | 1996-08-08 | Schaeffler Waelzlager Kg | Release bearing for a hydraulic actuation device of a separating clutch |
| DE19912432A1 (en) | 1998-03-20 | 1999-09-23 | Luk Lamellen & Kupplungsbau | Automotive clutch disengagement bearing adapts to movement |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014208863A1 (en) | 2014-05-12 | 2015-11-12 | Schaeffler Technologies AG & Co. KG | friction clutch |
| CN105987093A (en) * | 2015-03-16 | 2016-10-05 | 斯凯孚公司 | Bearing comprising a wear race |
| CN106015383A (en) * | 2015-03-24 | 2016-10-12 | 斯凯孚公司 | Bearing having overmoulded wear race, and associated manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014029398A3 (en) | 2014-07-17 |
| DE102012214905A1 (en) | 2014-05-28 |
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