WO2017137038A1 - Kupplung mit schwimmend gelagerter anlaufscheibe - Google Patents
Kupplung mit schwimmend gelagerter anlaufscheibe Download PDFInfo
- Publication number
- WO2017137038A1 WO2017137038A1 PCT/DE2017/100090 DE2017100090W WO2017137038A1 WO 2017137038 A1 WO2017137038 A1 WO 2017137038A1 DE 2017100090 W DE2017100090 W DE 2017100090W WO 2017137038 A1 WO2017137038 A1 WO 2017137038A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- thrust washer
- clutch
- coupling
- release bearing
- bearing
- Prior art date
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
- 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
- F16D23/143—Arrangements or details for the connection between the release bearing and the diaphragm
-
- 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
- F16D23/143—Arrangements or details for the connection between the release bearing and the diaphragm
- F16D23/144—With a disengaging thrust-ring distinct from the release bearing, and secured to the diaphragm
-
- 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
- F16D23/143—Arrangements or details for the connection between the release bearing and the diaphragm
- F16D23/144—With a disengaging thrust-ring distinct from the release bearing, and secured to the diaphragm
- F16D23/145—Arrangements for the connection between the thrust-ring and the diaphragm
-
- 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
- F16D23/143—Arrangements or details for the connection between the release bearing and the diaphragm
- F16D23/144—With a disengaging thrust-ring distinct from the release bearing, and secured to the diaphragm
- F16D23/146—Arrangements for the connection between the thrust-ring and the release bearing
Definitions
- the present invention relates to a coupling for a drive train of a motor vehicle, such as a car, a truck or other commercial vehicle, with a plate spring which is in contact with a thrust washer when actuated, wherein the thrust washer bears against a bearing ring of a release bearing.
- a clutch release bearings with thrust washers are already known in the prior art.
- DE 10 2006 040 463 A1 discloses such a clutch release bearing with a circumferential inner ring, wherein the outer ring and the inner ring have raceways for rolling elements.
- the clutch release bearing is further provided with a longitudinally section L-shaped thrust washer for the start of clutch spring ends.
- the thrust washer in this case has a first leg in longitudinal section, which is supported axially on a flange and beyond, the thrust washer has a longitudinal section at an angle from the first leg outgoing second leg, which dips axially into a central through hole of the flange and the inner peripheral side the passage opening lies radially.
- Concentric Slave Cylinder Systems and lever release systems are used and have at the contact point of the release bearing for coupling a (fixed) fixed (plastic) thrust washer.
- the fixation is realized here in all three spatial directions of a cylindrical coordinate system: in the axial direction by snap hook, in the radial direction by a centering collar and in the tangential direction by a pin-like connection.
- the following problems may arise between the release bearing and disc spring tongues of the clutch: Due to a relative movement of the diaphragm spring tongue tips for Plastic disc (the clutch actuator spring moves eccentrically over the life), it may come with the clutch actuation to a burial of the tips in the disc. These burials can prevent the bearing can move radially against the diaphragm spring tongues and thus can lead to an undesirable positive connection.
- the object of the invention is to avoid or at least mitigate the disadvantages of the prior art, and in particular to provide a thrust washer so that such so-called Verzwfitungen between the (plastic) thrust washer and the diaphragm spring tongues and thereby prevent the Anfahrrupfen.
- the object of the invention is achieved in that the thrust washer is held / held radially displaceable relative to a rotational axis of the release bearing.
- the thrust washer is mounted axialpositions true on a release bearing fixed component or a clutch-fixed component or fixed. This determination of the thrust washer can prevent the formation of bag-like wear and thus the formation of a positive connection between the thrust washer and the corresponding component.
- the thrust washer via one or more snap hooks and / or engaging behind locking devices axialpositions either on one or more plate spring tongues of the plate spring or on a bearing ring of the release bearing, such as the Aus Weglagerinnenring attached.
- the thrust washer is in this case only so positively or non-positively connected to the clutch facing bearing ring of the release bearing, that a radial compensating movement, which prevents a Verzwnatureung, can take place.
- the snap hook preferably fully engages behind a single plate spring tongue and ends, for example, in an approximately free end section or in the manner of a latching hook around an inner edge of the release bearing inner ring attacks.
- the mounting of the thrust washer with the bearing ring via snap hooks or other locking devices prevents falling out of the thrust washer and is simple and inexpensive.
- a further advantageous embodiment provides that the thrust washer is designed as a stop ring.
- the design in the form of a ring is material and weight saving compared to a disc.
- the material of the thrust washer comprises plastic and / or the thrust washer made of plastic, such as a
- tribologically optimized polymer material is constructed.
- the use of plastic in general as a material for the thrust washer can be compared to for example metal significantly weight, and thus costs saved.
- a tribologically optimized polymer material both the service life (wear resistance) and the efficiency, ie the pedal force constancy over the service life, can be optimized.
- an embodiment is advantageous in which there is at least one coupling-side and / or disengagement-side anti-rotation lock on the thrust washer, preferably (in each case several).
- a coupling-side anti-twist device preferably engages in a gap between two plate spring tongues in a form-fitting manner.
- the retaining devices can engage in corresponding grooves in the bearing, for example.
- the anti-rotation device allows exact positioning of the thrust washer to the release bearing or to the clutch.
- the latching device is a part of an at least in the radial direction elastic / flexurally soft arm, which is preferably spaced over a circumferentially parallel slot of a main body of the thrust washer, and / or in an axially aligned and recessed in the radial direction Recess or groove engages.
- the number of arms is preferably two, three, four, five. However, it is also possible to attach significantly more arms, provided that this is compatible with the desired bending stiffness or tension. It is advantageous if the arm protrudes from the main body against a motor and / or coupling direction of rotation to be charged exclusively or predominantly to train.
- the design of the arms in the tangential direction to train is advantageous if the arms engage with the retaining devices in corresponding recesses or grooves on the bearing and thus serve as anti-rotation.
- an axially projecting stop collar on the thrust washer is present at an outer diameter or inner diameter.
- This stop collar may, on the one hand, limit the radial design travel of the arms whereby the disc can be protected in use. On the other hand can be attached to this covenant restraint devices, which can be dispensed with the on the arms and thus a clear separation of functions can be achieved.
- the bending of the arm which is rigid in the axial direction and / or a cross section which changes in the tangential direction / circumferential direction is advantageous.
- the arms formed in this way serve on the one hand a transport or assembly securing and on the other hand initially as a centering device of the thrust washer to the bearing or to the coupling.
- the arms can be so pronounced in cross-section that result in the axial direction and radial direction different properties with respect to the forces.
- the arms may preferably be rigid in the axial direction in order to allow better positioning and better retention, and preferably to be bendable in the radial direction in order to realize a better behavior when deflected by the eccentric disc spring.
- the arm runs meander arcuate.
- a meander-arched configuration of the arm makes it possible to prevent an increase in the radial forces (due to the deflection) from the coupling to the actuation system, which can occur in a straight or simply curved embodiment of the arm due to the radial degree of freedom limited thereby.
- Such a centering cam can be used to improve or accelerate the positioning of the thrust washer relative to the clutch.
- An additional advantageous embodiment provides that the snap hook and / or the locking device is designed as Verclipsung.
- a clipping allows a particularly simple and uncomplicated installation or attachment of the thrust washer on the clutch or on the release bearing.
- the invention is that the thrust washer floating, so it is mounted radially movable, so that they can follow the plate spring and no plucking due to Verzwnature between the plastic thrust washer and the plate spring tongues longer arises.
- the thrust washer is preferably made of plastic on the release bearing ring or attached to the clutch, for which the thrust washer in the division of the plate spring (due to distances between the plate spring tongues) snap hooks and anti-rotation has, which are inserted.
- FIG. 1 is a longitudinal sectional view of a partially shown coupling with mounted thrust washer and control unit with release bearing in a first embodiment, wherein the thrust washer is constructed of plastic and is synonymously referred to as a plastic stop disk.
- FIG. 2 is an exploded perspective view of the coupling with thrust washer and release bearing shown in sections in FIG. 1 in the first embodiment;
- FIG. 3 is a perspective view of a front side (underside) of the thrust washer of the first embodiment
- FIG. 4 is a perspective view of a rear side (upper side) of the thrust washer of the first embodiment; 5 shows a detail of a longitudinal sectional view through the release bearing and the thrust washer in a second embodiment;
- FIG. 6 is a perspective view of the release bearing with mounted thrust washer.
- Fig. 7 is a partial perspective view of the release bearing.
- FIG. 1 shows a longitudinal sectional view of a coupling 1 shown in sections with a (clutch) disc spring 2 and with a mounted (plastic) thrust washer 3 and control unit 7 or release bearing 4 in a first embodiment.
- the thrust washer is mounted on the clutch side, that is, attached to the clutch 1.
- the operating unit 7 which comprises the release bearing 4.
- the release bearing 4 has an inner ring 5 and an outer ring 6.
- the thrust washer 3 is located on the right side of the inner ring 5 of the release bearing 4.
- the thrust washer 3 On the left side touches the thrust washer 3, the plate spring 2 in the so-called plate spring tongues 8 and is thus fixed in the axial direction in position.
- the thrust washer 3 In radial Direction, however, the thrust washer 3 is floating, that is, it is mounted radially movable, which is indicated by a double arrow 9 in the up-down direction of the figure.
- the thrust washer 3 has an anti-rotation 10 and snap hooks 1 1, which, seen in a region between two plate spring tongues 8 of the plate spring 2 of the clutch 1 in a circumferential direction of the plate spring 2, project.
- the anti-rotation device 10 is formed, for example, in the form of retaining devices which are inserted into corresponding grooves (not shown) on the release bearing 3 or engage.
- the snap hooks 1 1 are used to mount or attach the thrust washer and thus prevent falling out of the thrust washer 3.
- the thrust washer 3 of this first embodiment has an inner ring stop 12, which can limit the flying away of the thrust washer 3 in an emergency.
- the thrust washer 3 shown here consists of a plastic, which can be selected individually according to the required properties.
- Fig. 2 shows an exploded perspective view of the coupling 1 shown in sections in Fig. 1 with thrust washer 3 and release bearing 4 in the first embodiment. The exploded view serves to illustrate the assembly of these three components, consisting of the coupling 1, the thrust washer 3 and the release bearing. 4
- Anti-rotation 10 and a snap hook 1 1 are spaced apart in the circumferential direction so that a plate spring tongue 8 of the plate spring 2 of the clutch 1 between the rotation 10 and the snap hook 1 1 can be inserted.
- the thrust washer has four each
- the anti-rotation 10 can also be positioned independently of the position of the snap hook 1 1 in the circumferential direction of the thrust washer 3.
- Fig. 3 shows a perspective view of a front or bottom 13 of the thrust washer 3 of the first embodiment.
- the anti-rotation 10 and the snap hooks 1 which prevent falling out of the thrust washer 3.
- the thrust washer 3 has three equally spaced in the circumferential direction pairs, which consist of two anti-rotation 10 and two snap hooks 1 1. In the middle between two such pairs in the circumferential direction in each case a further anti-rotation 10 is arranged.
- the thrust washer 3 has in this embodiment a total of six snap hooks 1 1, which are arranged in pairs, facing each other in the circumferential direction, and over nine anti-rotation 10.
- FIG 4 shows a perspective view of a rear or top 14 of the thrust washer 3 of first embodiment.
- the thrust washer 3 on an inner ring stopper 12, which should prevent in an emergency that the thrust washer 3 flies away. This means that the inner ring stop 12 can limit the movement of the thrust washer in an emergency.
- FIG. 5 shows a detail from a longitudinal sectional view, which depicts the release bearing 4 and the thrust washer 3 in a second possible embodiment of the clutch 1.
- this corresponds to a coupling side 23 of the thrust washer 3 and at the bottom in the figure corresponds to an actuating side 24 on which the disengagement bearing 4 rests against the thrust washer 3.
- the thrust washer 3 is attached to the release bearing 4 instead of the clutch 1.
- the thrust washer 3 at least one arm 15, or more arms 15, preferably three to four such arms 15, on.
- the arms 15 constitute a transport or assembly safeguard and, on the other hand, they initially serve as a centering device of the thrust washer 3 for the release bearing 4 or for the coupling 1.
- the arm 15 in the radial direction at a free end integrally / integrally a latching device 16.
- the locking device 16 engages behind the (rotating) inner ring 5, which has for this purpose at the corresponding position via an inclined chamfer 17.
- the release bearing 4 has, as in the first embodiment explained, in addition to the inner ring 5 via an outer ring 6.
- the thrust washer 3 with respect to the clutch 1 is positioned.
- the position of the thrust washer 3 is determined / fixed in the axial direction.
- the thrust washer 3 is radially movable.
- a stop collar 19 is provided in this embodiment on the outer diameter of the thrust washer 3.
- the thrust washer 3 can be protected in use. However, this is not absolutely necessary for the proper functioning of the thrust washer 3 of the present invention.
- the stop collar 19 may also be provided on the inner diameter of the thrust washer 3, as is the case in the previously described first embodiment of the thrust washer 3 (see FIG. 1, inner ring stop 12).
- the decision as to whether the stop collar 19 is positioned or provided on the inner or outer diameter of the thrust washer 3 depends inter alia on the available installation space.
- retaining devices may also be provided on this stop collar 19, as a result of which it is possible to dispense with the latching devices 16 at the ends of the arms 15 which are free in the radial direction, and thus a clear functional separation can be achieved.
- Fig. 6 shows a perspective view of the release bearing 4 with mounted thrust washer 3 of the second embodiment.
- the embodiment of the arms 15, which have the latching device 16 at their free end, can be seen particularly well.
- the locking devices 16 engage behind the inner ring 5 of the release bearing 4 (see also Fig. 5).
- centering cams 18 may be formed as nubs or the like.
- Fig. 7 shows a partial perspective view of the release bearing 4, inter alia, with a bearing ring (here: inner ring 5).
- An upper peripheral surface 21 of the release bearing 4 is used for contact with the thrust washer 3 or as a contact surface on the thrust washer 3.
- grooves 22 are provided on the bearing ring, here on the inner ring 5, which are introduced in the circumferential direction at equal distances from each other are. These may be provided instead of the chamfer 17 on the inner ring 5, so that the arms 15 engage with the retaining or locking devices 16 in these grooves 22, instead of the inner ring 5 to engage behind.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201780010043.XA CN108603543B (zh) | 2016-02-11 | 2017-02-08 | 具有浮动支承式推力垫片的离合器 |
DE112017000799.2T DE112017000799A5 (de) | 2016-02-11 | 2017-02-08 | Kupplung mit schwimmend gelagerter Anlaufscheibe |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016202036.6A DE102016202036B4 (de) | 2016-02-11 | 2016-02-11 | Kupplung mit schwimmend gelagerter Anlaufscheibe |
DE102016202036.6 | 2016-02-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017137038A1 true WO2017137038A1 (de) | 2017-08-17 |
Family
ID=58192021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2017/100090 WO2017137038A1 (de) | 2016-02-11 | 2017-02-08 | Kupplung mit schwimmend gelagerter anlaufscheibe |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN108603543B (de) |
DE (2) | DE102016202036B4 (de) |
WO (1) | WO2017137038A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019100870A1 (de) | 2019-01-15 | 2020-07-16 | Schaeffler Technologies AG & Co. KG | Kupplung mit verdrehgesicherten und zentrierten Anlaufscheiben; sowie Kupplungssystem |
DE102019100871A1 (de) | 2019-01-15 | 2020-07-16 | Schaeffler Technologies AG & Co. KG | Kupplung, Betätigungseinrichtung sowie Kupplungssystem mit Anlaufscheibe zur radialen Entkopplung einer Tellerfeder relativ zu einem Betätigungslager |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004016190A1 (de) * | 2004-04-01 | 2005-10-20 | Zahnradfabrik Friedrichshafen | Ausrücker für eine Reibungskupplung eines Kraftfahrzeuges |
DE102005023523A1 (de) * | 2005-05-21 | 2006-11-23 | Schaeffler Kg | Ausrücklager einer Schalttrennkupplung |
DE102006040463A1 (de) | 2006-08-29 | 2008-03-06 | Schaeffler Kg | Kupplungsausrücklager mit Anlaufscheibe |
DE102011105003A1 (de) * | 2010-06-09 | 2012-03-15 | Aktiebolaget Skf | Kupplungsausrücklagervorrichtung mit Verschleißring |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19949909B4 (de) | 1999-10-16 | 2009-04-16 | Schaeffler Kg | Selbsteinstellendes Ausrücklager |
DE102005032676B4 (de) * | 2005-07-13 | 2013-01-03 | Schaeffler Technologies AG & Co. KG | Kupplungsausrücklager im Kontakt mit einer Tellerfeder |
DE102005060257A1 (de) * | 2005-12-16 | 2007-06-21 | Schaeffler Kg | Befestigungsanordnung für ein Kupplungsausrücklager |
DE102008010128A1 (de) | 2008-02-20 | 2009-08-27 | Schaeffler Kg | Kupplungsausrückeinrichtung |
DE102008049980A1 (de) | 2008-10-01 | 2010-04-08 | Schaeffler Kg | Kupplungsbetätigungslager |
DE102015203905A1 (de) | 2015-03-05 | 2016-09-08 | Schaeffler Technologies AG & Co. KG | Kupplungsausrücklager mit Einstellring |
-
2016
- 2016-02-11 DE DE102016202036.6A patent/DE102016202036B4/de not_active Revoked
-
2017
- 2017-02-08 WO PCT/DE2017/100090 patent/WO2017137038A1/de active Application Filing
- 2017-02-08 DE DE112017000799.2T patent/DE112017000799A5/de active Pending
- 2017-02-08 CN CN201780010043.XA patent/CN108603543B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004016190A1 (de) * | 2004-04-01 | 2005-10-20 | Zahnradfabrik Friedrichshafen | Ausrücker für eine Reibungskupplung eines Kraftfahrzeuges |
DE102005023523A1 (de) * | 2005-05-21 | 2006-11-23 | Schaeffler Kg | Ausrücklager einer Schalttrennkupplung |
DE102006040463A1 (de) | 2006-08-29 | 2008-03-06 | Schaeffler Kg | Kupplungsausrücklager mit Anlaufscheibe |
DE102011105003A1 (de) * | 2010-06-09 | 2012-03-15 | Aktiebolaget Skf | Kupplungsausrücklagervorrichtung mit Verschleißring |
Also Published As
Publication number | Publication date |
---|---|
CN108603543B (zh) | 2020-04-21 |
DE102016202036B4 (de) | 2018-03-29 |
DE102016202036A1 (de) | 2017-08-17 |
DE112017000799A5 (de) | 2018-10-18 |
CN108603543A (zh) | 2018-09-28 |
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