WHEEL BEARING ARRANGEMENT FOR A VEHICLE

Description

[0001] The present invention relates to a wheel bearing assembly for a vehicle, a vehicle having such a wheel bearing assembly and the use of such a wheel bearing assembly in a vehicle.

[0002] Wheel bearing arrangements for vehicles are known in the state of the art.

[0003] For example, DE 11 2008 001 445 T5 describes such a wheel bearing assembly for a vehicle. It has been found that clicking noises can occur with known wheel bearing assemblies, particularly during load changes. To reduce such clicking noises, DE 11 2008 001 445 T5 discloses that a cap can be arranged between a wheel hub and a joint element. However, it has been found that this proposed solution impairs the adjacent encoder element, and thus can disrupt the ABS signal.

[0004] Another wheel bearing arrangement is known from DE 10 2012 216598 A1.

[0005] Against this background, it is an object of the present invention to provide an improved wheel bearing arrangement in which noise generation during load changes can be avoided or reduced and, in addition, impairment of the encoder element can be prevented.

[0006] These and other objects, which will be mentioned upon reading the following description or which may be recognized by a person skilled in the art, are achieved by the subject matter of the independent claims. The dependent claims develop the central idea of ​​the present invention in a particularly advantageous manner.

[0007] A wheel bearing assembly for a vehicle according to the invention comprises: a wheel hub with a roller rivet collar portion; a bearing assembly with an inner ring element and an outer ring element, wherein at least one rolling element is mounted between the inner ring element and the outer ring element; a washer element arranged on the inner diameter of the roller rivet collar portion and / or on the outer diameter of the inner ring element of the bearing assembly. Furthermore, the washer element is arranged on the inner diameter of the roller rivet collar portion by means of a press fit and / or on the inner diameter of the roller rivet collar portion by magnetizing the washer element.

[0008] The present invention is based on the finding that the clicking noises occurring in the wheel bearing assembly are generated by a relative movement of the components intended for torque transmission. In particular, such relative movement occurs in practice at the constant velocity joint bell housing and at the roller rivet collar section of the wheel hub. It has also been determined that the noise development is even greater in vehicles with an electric drive, especially if these vehicles can be operated in a recuperation mode.

[0009] Furthermore, the present invention is based on the finding that the solution proposed in DE 11 2008 001 445 T5 for reducing noise generation causes interference or impairment of the ABS signal due to the fact that the arrangement of the cap proposed therein by means of a nose on the outer diameter of the roller rivet collar frequently rubs off metallic chips / particles, particularly during assembly, since the roller rivet collar section is comparatively soft and an overlap must be provided for secure fastening of the cap. These metallic chips are then collected by the adjacently arranged magnetic encoder element, thereby causing interference with the ABS signal. With the presently proposed arrangement of the washer element, such an accumulation of chips on the magnetic encoder element can be avoided or significantly reduced.Because with the present solution, the formation of chips during assembly can be prevented or significantly reduced, or any chips that may occur are located in the region of the bearing center axis (bell housing) and thus not in the region of the encoder element.

[0010] For the purposes of the present invention, the term washer element is to be understood in a broad sense and encompasses all damping disks, pressure disks, spacer disks and the like that are suitable for arrangement on the inner diameter of the swaging section and / or on the outer diameter of the inner ring element of the bearing arrangement.

[0011] Preferably, the washer element comprises at least one nose section and is arranged on the inner diameter of the swaging section by means of a press fit with this nose section, wherein the nose section is provided in partial regions on the circumference of the washer element or continuously on the circumference of the washer element.

[0012] Advantageously, the washer element is arranged on the inner diameter of the rolling rivet collar section by means of a press fit and an adhesive layer.

[0013] Preferably, the washer element is arranged on the inner diameter of the roller rivet collar by means of at least one locking or snap-in nose element, wherein the locking or snap-in nose element is preferably arranged in a groove correspondingly formed on the inner diameter of the roller rivet collar section, and wherein the locking or snap-in nose element and the correspondingly formed groove are provided in partial areas on the circumference of the washer element or continuously on the circumference of the washer element, wherein in the engagement area of ​​the washer element and the inner diameter of the roller rivet collar section, the respective surfaces of the washer element and / or the inner diameter of the roller rivet collar section are preferably roughened, wherein the respective surfaces of the washer element and / or the inner diameter of the roller rivet collar section are provided in partial areas on their respective circumference or continuously over their respective circumference.

[0014] Furthermore, it is advantageous that the washer element is arranged on the inner diameter of the roller rivet collar section by means of at least one O-ring element, wherein a groove is preferably formed on the inner diameter of the roller rivet collar section, in which groove the at least one O-ring element is arranged.

[0015] Preferably, the washer element comprises at least one rubberized surface and / or an engagement structure made of a rubber material and is engaged with this rubberized surface and / or engagement structure on the inner diameter of the roller rivet collar section or on the outer diameter of the roller rivet collar section, wherein the rubberized surface and / or the engagement structure preferably comprises at least one surface structure, preferably at least one tip structure, a wave structure or a nose structure.

[0016] Another wheel bearing assembly according to the invention for a vehicle comprises: a wheel hub with a roller rivet collar section; a bearing assembly with an inner ring element and an outer ring element, wherein at least one rolling element is mounted between the inner ring element and the outer ring element; a washer element which is arranged on the inner diameter of the roller rivet collar section and / or on the outer diameter of the inner ring element of the bearing assembly and wherein the washer element is arranged on the outer diameter of the inner ring element of the bearing assembly by means of a press fit, wherein the washer element is preferably arranged or combined with an encoder element of the wheel bearing assembly.

[0017] The invention further relates to a wheel bearing assembly for a vehicle, comprising: a wheel hub with a roller rivet collar section; a bearing assembly with an inner ring element and an outer ring element, wherein at least one rolling element is mounted between the inner ring element and the outer ring element; a washer element which is arranged on the inner diameter of the roller rivet collar section and / or on the outer diameter of the inner ring element of the bearing assembly, and wherein the washer element is arranged on the inner diameter of the roller rivet collar by means of at least one nose element, wherein the nose element is preferably arranged in a groove correspondingly formed on the inner diameter of the roller rivet collar section, and wherein the nose element and the correspondingly formed groove are provided in partial regions on the circumference of the washer element or also continuously on the circumference of the washer element.

[0018] Furthermore, the present invention relates to a use of a wheel bearing arrangement described above in a vehicle, preferably in an electrically driven vehicle.

[0019] The present invention further relates to a vehicle, in particular an electrically driven vehicle, which is preferably operable in a recuperation mode and comprises at least one wheel bearing arrangement described above.

[0020] Further features, advantages and possible applications of the present invention result from the following description, the exemplary embodiment and the figures. Shown therein are: Figure 1 a section of a first preferred embodiment of a wheel bearing arrangement according to the invention; Figure 2 a section of a second preferred embodiment of a wheel bearing arrangement according to the invention; Figure 3a section of a third preferred embodiment of a wheel bearing arrangement according to the invention; Figure 4 a section of a fourth preferred embodiment of a wheel bearing arrangement according to the invention; Figure 5 a section of a fifth preferred embodiment of a wheel bearing arrangement according to the invention; Figure 6 a section of a sixth preferred embodiment of a wheel bearing arrangement according to the invention; Figure 7 a section of a seventh preferred embodiment of a wheel bearing arrangement according to the invention; Figure 8 a section of an eighth preferred embodiment of a wheel bearing arrangement according to the invention; Figure 9 a section of a ninth preferred embodiment of a wheel bearing arrangement according to the invention; Figure 10 a section of a tenth preferred embodiment of a wheel bearing arrangement according to the invention; Figure 11a section of an eleventh preferred embodiment of a wheel bearing arrangement according to the invention; Figure 12 a section of a twelfth preferred embodiment of a wheel bearing arrangement according to the invention; Figure 13 a section of a thirteenth preferred embodiment of a wheel bearing arrangement according to the invention; and Figure 14 a section of a fourteenth preferred embodiment of a wheel bearing arrangement according to the invention.

[0021] The general structure of wheel bearing assemblies for vehicles is known to those skilled in the art. With regard to the general structure of a wheel bearing assembly, reference is made in particular to the publication DE 11 2008 001 445 T5, which describes the structure of a wheel bearing assembly. In particular, reference is made to the Figure 5 Reference is made to the structure of the wheel bearing unit shown in document DE 11 2008 001 445 T5, which forms the basis for the following explanations.

[0022] Each of the figures shows a section in the area of ​​a rolling rivet collar section 21 of a wheel bearing assembly 10. The wheel bearing assemblies 10 shown are fundamentally identical in structure and differ only with regard to the arrangement of a washer element 40.

[0023] As shown in the figures, a wheel bearing unit 10 comprises a wheel hub 20 for arranging a wheel (not shown), a rolling rivet collar portion 21, a bearing assembly 30, wherein the bearing assembly 30 comprises an inner ring element 31, an outer ring element 32 and at least one rolling element 33. Figure 1 shows a first preferred embodiment of a wheel bearing assembly 10 according to the invention, in which the washer element 40 is arranged on the inner diameter of the rolling rivet collar section 21 by means of a press fit or on the inner diameter of the rolling rivet collar section 21 by magnetizing the washer element 40. Figure 2shows a second preferred embodiment of a wheel bearing assembly according to the invention, in which the washer element 40 comprises at least one nose section and is arranged with this on the inner diameter of the rolling rivet collar section 21 by means of a press fit, wherein the nose section 41 can be provided in partial areas on the circumference of the washer element 40 or also continuously on the circumference of the washer element 40. Figure 3 shows a third preferred embodiment of a wheel bearing assembly according to the invention, in which the washer element 40 is arranged on the inner diameter of the rolling rivet collar section 21 by means of a press fit and an adhesive layer. Figure 4 shows a fourth preferred embodiment of a wheel bearing assembly 10 according to the invention, in which the washer element 40 is arranged on the outer diameter of the inner ring element 31 of the bearing assembly 30 by means of a press fit. Figure 5shows a fifth preferred embodiment of a wheel bearing assembly 10 according to the invention, in which the washer element 40 is arranged on the outer diameter of the inner ring element 31 of the bearing assembly 30 by means of a press fit, wherein the washer element 40 is arranged or combined with an encoder element of the wheel bearing assembly 10. Figure 6 shows a sixth preferred embodiment of a wheel bearing assembly 10 according to the invention, in which the washer element 40 is arranged on the inner diameter of the roller rivet collar 21 by means of at least one locking or snap-in nose element, wherein the locking or snap-in nose element is preferably arranged in a groove correspondingly formed on the inner diameter of the roller rivet collar section 21, and wherein the locking or snap-in nose element and the correspondingly formed groove can be provided in partial areas on the circumference of the washer element 40 or also continuously on the circumference of the washer element 40. Figure 7shows a seventh preferred embodiment of a wheel bearing assembly 10 according to the invention, in which the washer element 40 is arranged on the inner diameter of the roller rivet collar section 21 by means of at least one nose element, wherein the nose element is preferably arranged in a groove correspondingly formed on the inner diameter of the roller rivet collar section 21 and wherein the nose element and the correspondingly formed groove can be provided in partial areas on the circumference of the washer element 40 or also continuously on the circumference of the washer element 40. Figure 8 shows an eighth preferred embodiment of a wheel bearing assembly 10 according to the invention, in which a roughened surface is provided on the inner diameter of the roller rivet collar section 40, into which a snap-in lug can engage. Such a connection can again be provided in partial areas on the circumference of the washer element 40 or also continuously on the circumference of the washer element 40. Figure 9shows a ninth preferred embodiment of a wheel bearing assembly 10 according to the invention, in which the washer element 40 is arranged on the inner diameter of the rolling rivet collar section 21 by means of at least one O-ring element. Figure 10 shows a tenth preferred embodiment of a wheel bearing arrangement 10 according to the invention, in which the washer element 40 is again fixed to the inner diameter of the rolling rivet collar section 21 by means of at least one O-

[0024] ring element is arranged, whereby in contrast to the Figure 9 In the embodiment shown, a groove is formed on the inner diameter of the rolling rivet collar section 21, in which the at least one O-ring element is arranged.

[0025] The Figures 11 to 13show three further preferred embodiments of a wheel bearing arrangement 10 according to the invention, in which the washer element 40 comprises at least one rubberized surface and / or an engagement structure made of a rubber material and with this rubberized surface and / or engagement structure on the inner diameter of the rolling rivet collar section 21

[0026] Figure 14 shows a fourteenth preferred embodiment of a wheel bearing assembly 10 according to the invention, in which the washer element 40 comprises at least one rubberized surface and / or an engagement structure made of a rubber material and is in engagement with this rubberized surface and / or engagement structure on the outer diameter of the rolling rivet collar section 21.

[0027] However, the present invention is not limited to the above preferred embodiment as long as it is encompassed by the subject matter of the following claims. In particular, the Figures 5 to 7The sensors / devices shown can be combined with one another as desired, wherein in particular several of the sensors / devices can form a measuring device according to the invention, wherein the sensors / devices are also arranged at different positions on or in the first rolling bearing 42 and / or on or in the second rolling bearing 44. List of reference symbols:

[0028] 10Wheel bearing assembly 20Wheel hub 21Rolling rivet collar section 30Bearing assembly 31Inner ring element 32Outer ring element 33Rolling element 40Washer element

Claims

1. A wheel bearing assembly (10) for a vehicle, comprising: a wheel hub (20) with a roller rivet collar section (21); a bearing assembly (30) with an inner ring element (31) and an outer ring element (32), wherein at least one roll body (33) is mounted between the inner ring element (31) and the outer ring element (32); a washer element (40), characterized in that the washer element is arranged on the inner diameter of the roller rivet collar section (21) and / or on the outer diameter of the inner ring element (31) of the bearing assembly (30), and wherein the washer element (40) is arranged on the inner diameter of the roller rivet collar section (21) by means of a press fit and / or on the inner diameter of the roller rivet collar section (21) by means of magnetization of the washer element (40).

2. The wheel bearing assembly (10) according to claim 1, wherein the washer element (40) comprises at least one lug portion (41) and is arranged with the latter on the inner diameter of the roller rivet collar section (21) by means of a press fit, wherein the lug portion (41) is provided in subregions on the circumference of the washer element (40) or continuously on the circumference of the washer element (40).

3. The wheel bearing assembly (10) according to any one of the preceding claims, wherein the washer element (40) is arranged on the inner diameter of the roller rivet collar section (21) by means of a press fit and an adhesive layer.

4. The wheel bearing assembly (10) according to any one of the preceding claims, wherein the washer element (40) is arranged on the inner diameter of the roller rivet collar by means of at least one locking or snap-in lug element, wherein the locking or snap-in lug element is preferably arranged in a groove correspondingly formed on the inner diameter of the roller rivet collar section (21), and wherein the locking or snap-in lug element and the correspondingly formed groove are provided in subregions on the circumference of the washer element (40) or continuously on the circumference of the washer element (40), wherein in the engagement region of the washer element (40) and the inner diameter of the roller rivet collar section (21) the respective surfaces of the washer element (40) and / or of the inner diameter of the roller rivet collar section (21) are preferably roughened, wherein the respective surfaces of the washer element (40) and / or of the inner diameter of the roller rivet collar section (21) are provided in subregions on their respective circumference or continuously over their respective circumference.

5. The wheel bearing assembly (10) according to any one of the preceding claims, wherein the washer element (40) is arranged on the inner diameter of the roller rivet collar section (21) by means of at least one O-ring element, wherein a groove is preferably formed on the inner diameter of the roller rivet collar section (21), in which groove the at least one O-ring element is arranged.

6. The wheel bearing assembly (10) according to any one of the preceding claims, wherein the washer element (40) comprises at least one rubberized surface and / or an engagement structure made of a rubber material and engages with said rubberized surface and / or engagement structure on the inner diameter of the roller rivet collar section (21) or on the outer diameter of the roller rivet collar section (21), wherein the rubberized surface and / or the engagement structure preferably comprises at least one surface structure, preferably at least one pointed structure, an undulating structure or a lug structure.

7. The wheel bearing assembly (10) for a vehicle, comprising: a wheel hub (20) with a roller rivet collar section (21); a bearing assembly (30) with an inner ring element (31) and an outer ring element (32), wherein at least one roll body (33) is mounted between the inner ring element (31) and the outer ring element (32); a washer element (40), characterized in that the washer element is arranged on the inner diameter of the roller rivet collar section (21) and / or on the outer diameter of the inner ring element (31) of the bearing assembly (30) and wherein the washer element (40) is arranged on the outer diameter of the inner ring element (31) of the bearing assembly (30) by means of a press fit, wherein the washer element (40) is preferably arranged or combined with an encoder element of the wheel bearing assembly (10).

8. The wheel bearing assembly (10) for a vehicle, comprising: a wheel hub (20) with a roller rivet collar section (21); a bearing assembly (30) with an inner ring element (31) and an outer ring element (32), wherein at least one roll body (33) is mounted between the inner ring element (31) and the outer ring element (32); a washer element (40), characterized in that the washer element is arranged on the inner diameter of the roller rivet collar section (21) and / or on the outer diameter of the inner ring element (31) of the bearing assembly (30), and wherein the washer element (40) is arranged on the inner diameter of the roller rivet collar section (21) by means of at least one lug element, wherein the lug element is preferably arranged in a groove correspondingly formed on the inner diameter of the roller rivet collar section (21), and wherein the nose element and the correspondingly formed groove are provided in subregions on the circumference of the washer element (40) or also continuously on the circumference of the washer element (40).

9. Use of a wheel bearing assembly according to any one of claims 1 to 8 in a vehicle, preferably in an electrically driven vehicle.

10. A vehicle, in particular an electrically driven vehicle, which is preferably operable in a recuperation mode, comprising at least one wheel bearing assembly according to any one of claims 1 to 8.