CN210116492U - Wheel hub bearing and brake disc assembly, wheel hub subassembly and car - Google Patents
Wheel hub bearing and brake disc assembly, wheel hub subassembly and car Download PDFInfo
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- CN210116492U CN210116492U CN201920674963.8U CN201920674963U CN210116492U CN 210116492 U CN210116492 U CN 210116492U CN 201920674963 U CN201920674963 U CN 201920674963U CN 210116492 U CN210116492 U CN 210116492U
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- mounting hole
- brake disc
- hub bearing
- bearing
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Abstract
The utility model relates to an automobile field discloses a wheel hub bearing and brake disc assembly, wheel hub subassembly and car, this wheel hub bearing and brake disc assembly includes brake disc (10), wheel hub bearing (20) and fastener (30), be provided with first mounting hole (21) and second mounting hole (22) on wheel hub bearing (20), first mounting hole (21) are used for connecting the tire, be provided with third mounting hole (13) on brake disc (10), second mounting hole (22) and third mounting hole (13) are corresponding, fastener (30) run through second mounting hole (22) and third mounting hole (13) in order to connect brake disc (10) and wheel hub bearing (20). The utility model provides a wheel hub bearing can reduce the brake shake possibility of taking place that the brake disc friction surface runout the overproof braking that arouses with the brake disc assembly to reduce the latent factor that causes the vehicle braking shake effectively, improve braking security and travelling comfort.
Description
Technical Field
The utility model relates to an automotive filed specifically relates to a wheel hub bearing and brake disc assembly, wheel hub subassembly and car.
Background
At present, a hub bearing and a brake disc of an automobile are two independent parts, when the two parts are assembled on the automobile, due to the superposition of manufacturing tolerances of the two parts, namely the hub bearing and the brake disc, the jumping tolerance of a friction surface of the brake disc is larger when the brake disc rotates around the center of the hub bearing and is generally close to 0.05 mm, and along with the use of the automobile, the jumping can be continuously increased, so that the automobile can shake during the braking.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wheel hub bearing and brake disc assembly in order to overcome the problem that the vehicle that prior art exists easily takes place the shake during braking.
In order to achieve the above object, an aspect of the present invention provides a wheel hub bearing and brake disc assembly, which includes a brake disc, a wheel hub bearing and a fastener, the wheel hub bearing is provided with a first mounting hole and a second mounting hole, the first mounting hole is used for connecting a tire, a third mounting hole is provided on the brake disc, the second mounting hole corresponds to the third mounting hole, and the fastener runs through the second mounting hole and the third mounting hole is used for connecting the brake disc and the wheel hub bearing.
Preferably, the hub bearing is provided with a plurality of first mounting holes and a plurality of second mounting holes, and the plurality of first mounting holes and the plurality of second mounting holes are uniformly arranged in a circumferential manner around the axis of the hub bearing.
Preferably, a distance between the first mounting hole and an axis of the hub bearing is different from a distance between the second mounting hole and an axis of the hub bearing.
Preferably, the first mounting hole and the second mounting hole are formed in a flange of the hub bearing, the flange includes a main body and an outer flange disposed on an outer side surface of the main body, the first mounting hole is formed in the outer flange, and the second mounting hole is formed in the main body.
Preferably, the brake disc includes a ring-shaped body and an inner flange formed on an inner ring surface of the body, and the third mounting hole is formed on the inner flange.
Preferably, the end of the inner flange is attached to the outer side surface of the main disc body, and the end of the outer flange is attached to the inner ring surface of the main body.
Preferably, a weight reduction structure is arranged on each of the brake disc and the hub bearing.
Preferably, the weight-reducing structures are weight-reducing holes formed on the outer flange and the inner flange.
The utility model discloses the second aspect provides a wheel hub subassembly, the wheel hub subassembly include wheel hub and as above wheel hub bearing and brake disc assembly, the wheel hub bearing install in wheel hub.
A third aspect of the present invention provides an automobile comprising the wheel hub assembly as described above.
Through the technical scheme, after the brake disc and the hub bearing are assembled together by penetrating the second mounting hole and the third mounting hole through the fastening piece by utilizing the hub bearing and the brake disc assembly provided by the application, the assembly provided by the application can be assembled with the tire by aligning the first mounting holes of the hub bearing and brake disc assembly provided by the application with the corresponding mounting holes on the tire and then connecting the first mounting holes, because the brake disc and the hub bearing are assembled together, by performing finish forming on the integrated hub bearing and brake disc assembly on a grinding machine, so that the brake disc and the hub bearing can ensure the same rotation center and control the verticality between the rotation central axis and the friction surface of the brake disc, the overlapping of the end jump tolerance of the hub bearing and the friction surface of the brake disc is avoided, thereby reducing the possibility of occurrence of brake judder caused by brake disc friction surface run-out overshoot.
Drawings
FIG. 1 is an exploded view of a hub bearing and brake disc assembly according to a preferred embodiment of the present invention;
FIG. 2 is an assembly view of a hub bearing and brake disc assembly according to a preferred embodiment of the present invention;
FIG. 3 is an elevation view of a brake disc of the hub bearing and brake disc assembly according to a preferred embodiment of the present invention;
FIG. 4 is a cross-sectional view of the brake rotor of FIG. 3;
FIG. 5 is an elevation view of a hub bearing of the hub bearing and brake disc assembly according to a preferred embodiment of the present invention;
FIG. 6 is a cross-sectional view of the hub bearing of FIG. 5;
FIG. 7 is an elevation view of a hub bearing and brake disc assembly according to a preferred embodiment of the present invention;
FIG. 8 is a cross-sectional view of the hub bearing and brake disc assembly of FIG. 7.
Description of the reference numerals
10-brake disc 11-main body 12-inner flange 13-third mounting hole
20-hub bearing 21-first mounting hole 22-second mounting hole 23-main disc 24-outer flange
30-fastener
Detailed Description
The utility model provides a wheel hub bearing and brake disc assembly, as shown in fig. 1 and fig. 2, this wheel hub bearing and brake disc assembly includes brake disc 10, wheel hub bearing 20 and fastener 30, be provided with first mounting hole 21 and second mounting hole 22 on the wheel hub bearing 20, first mounting hole 21 is used for connecting the tire, be provided with third mounting hole 13 on the brake disc 10, second mounting hole 22 and third mounting hole 13 are corresponding, fastener 30 runs through second mounting hole 22 and third mounting hole 13 in order to connect brake disc 10 and wheel hub bearing 20.
Through the technical scheme, after the brake disc 10 and the hub bearing 20 are assembled together by the hub bearing and brake disc assembly provided by the application through the second mounting hole 22 and the third mounting hole 13 by the fastener 30, the assembly provided by the present application can be assembled with a tire by aligning the first mounting holes 21 of the hub bearing and brake disc assembly provided by the present application with the corresponding mounting holes on the tire and then connecting, since the brake disc 10 and the hub bearing 20 are assembled together, by finishing the integrated hub bearing and brake disc assembly on a grinding machine, so that the brake disk 10 and the hub bearing 20 can ensure the same rotation center and control the verticality between the rotation center axis and the friction surface of the brake disk, avoid the overlapping of the end jump tolerance of the hub bearing 20 and the friction surface of the brake disk, thereby reducing the possibility of occurrence of brake judder caused by brake disc friction surface run-out overshoot. The fastening member 30 may be a bolt.
In order to ensure the reliability of the connection between the brake disk 10 and the hub bearing 20, as shown in fig. 1, a plurality of second mounting holes 22 are provided on the hub bearing 20, the plurality of second mounting holes 22 are circumferentially arranged around the axis of the hub bearing 20, and the plurality of second mounting holes 22 are equally spaced apart from each other, and correspondingly, a corresponding number and an arrangement of third mounting holes 13 are also provided on the brake disk 10.
In addition, the hub bearing 20 is further provided with a plurality of first mounting holes 21 to ensure the reliability of the connection between the assembly and the tire, the plurality of first mounting holes 21 are also circumferentially arranged around the axis of the hub bearing 20, and the plurality of first mounting holes 21 are equally spaced from each other, and the assembly and the tire are connected by using a connecting member such as a bolt. In order to avoid the connection between the assembly and the tire interfering with the connection between the brake disc 10 and the hub bearing 20, the distance between the first mounting hole 21 and the axis of the hub bearing 20 is different from the distance between the second mounting hole 22 and the axis of the hub bearing 20, so that the fasteners connecting the hub bearing 20 and the brake disc 10 and the bolts connecting the assembly and the tire are staggered.
Referring specifically to the structure of fig. 5 and 6, the first mounting hole 21 and the second mounting hole 22 are formed in a flange of the hub bearing 20, the flange including a main disc 23 and an outer flange 24 provided on an outer side surface of the main disc 23, the first mounting hole 21 being formed in the outer flange 24, and the second mounting hole 22 being formed in the main disc 23, i.e., a distance between the first mounting hole 21 and an axis of the hub bearing 20 is smaller than a distance between the second mounting hole 22 and an axis of the hub bearing 20.
In order to fit the second mounting holes 22 on the outer flange 24, referring to the structure shown in fig. 3 and 4, the brake disc 10 includes a ring-shaped main body 11 and an inner flange 12 formed on an inner ring surface of the main body 11, and third mounting holes 13 are formed on the inner flange 12.
Referring to the structure of fig. 7 and 8, in a state where the second mounting holes 22 of the outer flange 24 are aligned with the third mounting holes 13 of the inner flange 12 and are connected by a fastener, i.e., in a state where the brake disc 10 and the hub bearing 20 are assembled together, the end of the inner flange 12 abuts against the outer side surface of the main disc body 23, and the end of the outer flange 24 abuts against the inner ring surface of the main body 11, thereby ensuring a compact structure of the hub bearing and the brake disc assembly.
The application provides a wheel hub bearing and brake disc assembly for current through the same bolt run through the connected mode of tire, brake disc and wheel hub bearing simultaneously, not only have the technological effect that can reduce the vehicle shake when braking, can also save the butterfly bottom of brake disc to reduce part weight, realize the lightweight, but this application is not limited to this, the wheel hub bearing and brake disc assembly that this application provided can also set up on brake disc and wheel hub bearing and subtract heavy structure in order to further realize the lightweight.
Specifically, the lightening holes can be formed in the inner flange of the brake disc and the outer flange of the hub bearing, through lightening through holes or semi-closed lightening blind holes can be formed in the inner flange and the outer flange under the condition that connection between the hub bearing and the brake disc and connection between the hub bearing and a tire are not affected, and the shapes of the lightening holes can be flexibly selected according to actual conditions.
According to a second aspect of the present application, there is also provided a hub assembly comprising a hub and a hub bearing and brake disc assembly as described above, the hub bearing 20 being mounted to the hub.
The third aspect of the present application also provides an automobile comprising the wheel hub assembly as described above.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical scheme of the utility model in the technical conception scope, can be right carry out multiple simple variant. Including each of the specific features, are combined in any suitable manner. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
Claims (10)
1. The wheel hub bearing and brake disc assembly is characterized by comprising a brake disc (10), a wheel hub bearing (20) and a fastener (30), wherein a first mounting hole (21) and a second mounting hole (22) are formed in the wheel hub bearing (20), the first mounting hole (21) is used for being connected with a tire, a third mounting hole (13) is formed in the brake disc (10), the second mounting hole (22) corresponds to the third mounting hole (13), and the fastener (30) penetrates through the second mounting hole (22) and the third mounting hole (13) to be connected with the brake disc (10) and the wheel hub bearing (20).
2. The hub-bearing and brake-disc assembly according to claim 1, wherein the hub bearing (20) is provided with a plurality of the first mounting holes (21) and a plurality of the second mounting holes (22), and the plurality of the first mounting holes (21) and the plurality of the second mounting holes (22) are uniformly arranged in a circumferential manner around the axis of the hub bearing (20).
3. A hub-bearing and brake-disc assembly according to claim 2, characterized in that the distance between the first mounting hole (21) and the axis of the hub-bearing (20) is different from the distance between the second mounting hole (22) and the axis of the hub-bearing (20).
4. The hub-bearing and brake-disc assembly of claim 3, wherein the first mounting hole (21) and the second mounting hole (22) are formed in a flange of the hub bearing (20), the flange including a main disc body (23) and an outer flange (24) provided on an outer side surface of the main disc body (23), the first mounting hole (21) being formed in the outer flange (24), the second mounting hole (22) being formed in the main disc body (23).
5. The hub-bearing and brake disc assembly according to claim 4, characterized in that the brake disc (10) comprises an annular main body (11) and an inner flange (12) formed on an inner annular surface of the main body (11), the third mounting hole (13) being formed on the inner flange (12).
6. A hub-bearing and brake-disc assembly according to claim 5, wherein the inner flange (12) terminates at an outer face of the main disc (23) and the outer flange (24) terminates at an inner annular face of the main body (11).
7. A hub-bearing and brake-disc assembly according to claim 5, wherein weight-reducing structures are provided on both the brake disc (10) and the hub-bearing (20).
8. The hub-bearing and brake-disc assembly of claim 7, wherein the weight-reducing features are weight-reducing holes formed in the outer flange (24) and the inner flange (12).
9. A hub assembly, characterized in that the hub assembly comprises a hub and a hub bearing and brake disc assembly according to any one of claims 1-8, the hub bearing (20) being mounted to the hub.
10. An automobile, characterized in that it comprises a hub assembly according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920674963.8U CN210116492U (en) | 2019-05-10 | 2019-05-10 | Wheel hub bearing and brake disc assembly, wheel hub subassembly and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920674963.8U CN210116492U (en) | 2019-05-10 | 2019-05-10 | Wheel hub bearing and brake disc assembly, wheel hub subassembly and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210116492U true CN210116492U (en) | 2020-02-28 |
Family
ID=69613950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920674963.8U Active CN210116492U (en) | 2019-05-10 | 2019-05-10 | Wheel hub bearing and brake disc assembly, wheel hub subassembly and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210116492U (en) |
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2019
- 2019-05-10 CN CN201920674963.8U patent/CN210116492U/en active Active
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