DE102017115207A1 - Alternative disc spring mounting for clutch release bearing with self-centering function - Google Patents

Abstract

The invention relates to a centering device (1) for a release bearing of a release device comprising:
- A retaining ring member (2) for holding a bearing element (21), in particular an outer or an inner ring of a release bearing (20), and
a plate spring element (3) for generating an axial force on the retaining ring element (2),
- wherein the plate spring element (3) from the retaining ring member (2) is spaced to clamp a bearing element (21),
- Wherein the disc spring element (3) with the retaining ring member (2) via a rotary closure (4) is connectable.
Furthermore, the invention relates to a release device (20) with a centering device (1) for a release bearing.

Description

The invention relates to a centering device for a release bearing of a release device and a release device with a centering device.

Conventional release bearing centering devices typically have a self-centering function.

For this purpose, according to the known state of the art, an additional flanging ring with a disc spring must be mounted on one of the two bearing rings (outer or inner ring) of a release bearing.

Currently, this is done by a crimping in the assembly. The crimp ring serves to define the mounting position of the disc spring and the radial displacement and to attach the bearing to the associated Umbauil (for example, a piston of a release system).

By the bias of the diaphragm spring an axial force is effected. In conjunction with the coefficient of friction of the contact partners, a defined radial displacement force arises from the axial force of the disc spring.

Due to the design, the flanging operation of the flanging ring takes place without an anvil. As a result, the folding of the intended area on the flare ring takes place undefined, whereby an exact deformation of the defined area on the flare ring by 90 ° is difficult.

This leads to fluctuations with respect to the installation position of the plate spring and thus to fluctuations in the radial displacement force.

It is therefore an object of the present invention to provide a centering device for a release bearing of a release device, which is inexpensive and material-saving to produce and secure attachment of a plate spring or a plate spring element allowed and preferably ensures an improved, defined installation with a low tolerance.

This object is achieved by the features of the independent claims. Further advantageous developments are the subject of the dependent claims.

• - ein Halteringelement zum Halten eines Lagerelements, insbesondere eines Außen- oder eines Innenrings eines Ausrücklagers, und
• - ein Tellerfederelement zum Erzeugen einer Axialkraft auf das Halteringelement,
• - wobei vorzugsweise das Tellerfederelement vom dem Halteringelement beabstandet ist, um ein Lagerelement zu klemmen.

According to the invention, in a first aspect of the present invention, a centering device for a release bearing of a release device comprises:

• - A retaining ring member for holding a bearing element, in particular an outer or an inner ring of a release bearing, and
• a plate spring element for generating an axial force on the retaining ring element,
• - Preferably wherein the disc spring element is spaced from the retaining ring member to clamp a bearing element.

The plate spring element can preferably be connected to the retaining ring element via a rotary closure. In this way, a simple but definable connection between the plate spring element and the retaining ring element can be ensured. It is also possible by means of the rotary closure to manufacture the retaining ring element exactly prior to assembly of the centering device.

Furthermore, it is advantageous if the rotary closure is designed as a bayonet closure.

It is also advantageous if retaining ring element has a bayonet mount.

Furthermore, it is preferred that the bayonet mount comprises at least one recess, which is preferably L-shaped.

Conveniently, the at least one recess of the bayonet receptacle is formed in the tangential and axial direction of the retaining ring member.

Preferably, the at least one recess in the tangential direction comprises a receiving pocket and in the axial direction an access for a bayonet connection.

It is also advantageous if the receiving pocket and the access are connected to each other.

Advantageously, the retaining ring element comprises an inner ring element, which preferably forms a radially inner hollow cylindrical section of the retaining ring member.

Furthermore, it is advantageous if the inner ring element has the bayonet mount.

It is also advantageous if the plate spring element comprises a bayonet connection.

Preferably, the plate spring element comprises on its inner circumferential surface at least one pin as a bayonet connection.

Furthermore, it can be provided that the plate spring element comprises a plurality of pins which along the inner circumferential surface of the Disc spring element, in particular uniformly distributed, are arranged.

A second aspect of the present invention includes a disengaging device with a centering device.

It is expressly understood that the features of the centering device, as mentioned in the first aspect, can be used individually or in combination with each other in the release device application.

In other words, the features mentioned above under the first aspect of the invention relating to the centering device can also be combined here with further features in the second aspect of the invention.

Preferably, the disengagement device comprises a centering device for a release bearing, and a bearing element of a release bearing, wherein the bearing element between the plate spring element and the retaining ring member is arranged in the axial direction to clamp the bearing element.

Furthermore, it is advantageous if the retaining ring element and the plate spring element are connected to one another via a rotary closure. In this way, the two elements are simple and definable connectable to each other.

Conveniently, the bearing element is designed as an inner ring or as an outer ring of a release bearing.

Hereinafter, the inventive idea presented above is expressed in other words in addition.

This idea preferably relates - in simplified terms - to a centering device of a release device, which comprises a rotary closure.

Compared to previous known solutions should advantageously account for the crimping of the crimp ring of the retaining ring member.

Preferably, the attachment of the plate spring element via a bayonet closure (conveniently x times distributed around the circumference).

The necessary geometry in the crimp ring can preferably be made during the forming process of the crimp ring accurately and with low tolerances.

The plate spring element is preferably additionally provided with various notches on the inner diameter.

For mounting the notches of the plate spring element are preferably inserted into the bayonet lock of the crimp ring and then rotated. Due to the undercut on the bayonet conveniently locks the plate spring element and is preferably secured against disassembly.

• 1 eine Schnittansicht auf eine Ausrückvorrichtung aus dem Stand der Technik mit einer Zentriervorrichtung für ein Ausrücklager;
• 2 eine 3-dimensionale Ansicht auf ein Halteringelement einer erfindungsgemäßen Zentriervorrichtung;
• 3 eine 3-dimensionale Ansicht auf ein Tellerfederelement einer erfindungsgemäßen Zentriervorrichtung; und
• 4 eine 3-dimensionale Teilansicht auf eine erfindungsgemäße Zentriervorrichtung.

The invention will be explained in more detail with reference to an embodiment in conjunction with accompanying drawings. Here are shown schematically:

• 1 a sectional view of a release device of the prior art with a centering device for a release bearing;
• 2 a 3-dimensional view of a retaining ring member of a centering device according to the invention;
• 3 a 3-dimensional view of a plate spring element of a centering device according to the invention; and
• 4 a 3-dimensional partial view of a centering device according to the invention.

In the following description, like reference characters will be used for like items.

1 shows a sectional view of a release device 20 from the prior art with a centering device 1 for a release bearing 21 ,

The release bearing 21 has an outer ring 22 , an inner ring 23 and interposed rolling elements 24 on.

The outer ring 22 is in the centering device 1 between a retaining ring member 2 and a plate spring element 3 clamped.

The plate spring element 3 rests in the axial direction A on the one hand on the outer ring 22 and on the other hand on a crimp ring 25 from.

2 shows a 3-dimensional view of a retaining ring member 2 a centering device according to the invention 1 , while 3 a 3-dimensional view of a plate spring element 3 a centering device according to the invention 1 shows.

4 In contrast, a 3-dimensional partial view of a centering device according to the invention 1 wherein the retaining ring member 2 and the plate spring element 3 in the assembled or connected state.

For simplicity, in the following description on the 2 to 4 Referenced.

So show the 2 to 4 Concretely represented, a centering device 1 for a release bearing of a release device 20 ,

The centering device 1 has a retaining ring element 2 for holding a bearing element 21 , in particular an outer ring of a release bearing 20 , and a plate spring element 3 for generating an axial force on the retaining ring element 2 ,

The plate spring element 3 is from the retaining ring element 2 spaced to the bearing element 21 to pinch.

The plate spring element 3 is with the retaining ring element 2 via a screw cap 4 connectable or connected, such as 4 shows.

The screw cap 4 is designed as a bayonet closure, wherein the retaining ring element 2 a bayonet mount 5 having.

The bayonet mount 5 In turn, has various recesses that are L-shaped, such as 2 shows.

The L-shaped recesses of the bayonet mount 5 are in tangential T and axial direction A the retaining ring member 2 formed, wherein the recesses in the tangential direction T a storage bag 6 and in the axial direction A an access 7 for a bayonet connection 9 include.

As in 2 shown are each a receiving bag 6 and an access 7 connected with each other.

Furthermore, the retaining ring element has 2 an inner ring element 8th (see 2 ), which has a radially inner hollow cylindrical section of the retaining ring member 2 forms.

The inner ring element 8th has the bayonet mount 5 on.

Especially 3 shows that the plate spring element 3 a bayonet connection 9 has, wherein the plate spring element 3 on its inner circumferential surface a plurality of pins 9 Has bayonet connections, along the inner circumferential surface of the plate spring element 3 are arranged equally distributed.

4 shows a release device 20 with the centering device 1 and a bearing element 21 a release bearing.

The bearing element 21 is between the plate spring element 3 and the retaining ring member 2 in the axial direction A arranged to be clamped.

The retaining ring element 2 and the plate spring element 2 are over a screw cap 4 or connected via a bayonet lock.

LIST OF REFERENCE NUMBERS

1

centering

2

Retaining ring element

3

Disc spring element

4

Rotor position sensor

5

bayonet recording

6

receiving pocket

7

Access

8th

Inner ring member

9

bayonet

20

declutching

21

bearing element

22

outer ring

23

inner ring

24

rolling elements

25

Crimped

A

axial direction

T

tangential direction

Claims (4)

Centering device (1) for a release bearing of a release device comprising: - A retaining ring member (2) for holding a bearing element (21), in particular an outer or an inner ring of a release bearing (20), and a plate spring element (3) for generating an axial force on the retaining ring element (2), - wherein the plate spring element (3) from the retaining ring member (2) is spaced to clamp a bearing element (21), - Wherein the disc spring element (3) with the retaining ring member (2) via a rotary closure (4) is connectable. Centering after Claim 1 , - wherein the rotary closure (4) is designed as a bayonet closure, - wherein preferably the retaining ring element (2) has a bayonet mount (5), - wherein preferably the bayonet mount (5) comprises at least one recess, which is preferably L-shaped, - preferably the at least one recess of the bayonet receptacle is formed in the tangential (T) and axial direction (A) of the retaining ring element (2), wherein preferably the at least one recess in the tangential direction (T) has a receiving pocket (6) and in the axial direction (A) an entrance (7) for a bayonet connection (9), wherein preferably the receiving pocket (6) and the access (7) are connected to each other, wherein preferably the retaining ring element (2) comprises an inner ring element (8), preferably one radially inwardly formed hollow cylindrical portion of the retaining ring member (2), - wherein preferably the inner ring member (8) has the bayonet mount (5) , Centering after Claim 1 or 2 - wherein the plate spring element (3) comprises a bayonet connection (9), - preferably wherein the plate spring element (3) comprises at least one pin (9) as a bayonet connection on its inner circumferential surface, - wherein preferably the plate spring element (3) a plurality of pins ( 9), along the inner circumferential surface of the plate spring element (3), in particular evenly distributed, are arranged. Release device (20) comprising a centering device (1) for a release bearing, in particular according to one of the preceding claims, and a bearing element (21) of a release bearing, wherein the bearing element (21) between the plate spring element (3) and the retaining ring element (2) in axial Direction (A) is arranged to clamp the bearing element (21), and wherein the retaining ring member (2) and the plate spring element (2) via a rotary closure (4) are interconnected.

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