CN215861427U - Wheel hub brake assembly - Google Patents
Wheel hub brake assembly Download PDFInfo
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- CN215861427U CN215861427U CN202122042193.5U CN202122042193U CN215861427U CN 215861427 U CN215861427 U CN 215861427U CN 202122042193 U CN202122042193 U CN 202122042193U CN 215861427 U CN215861427 U CN 215861427U
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- brake
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- wheel
- brake disc
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Abstract
The utility model discloses a hub brake assembly which comprises brake calipers, a brake disc, a half-shaft sleeve and a hub driving device arranged on the half-shaft sleeve, wherein the brake disc is arranged on one side of the half-shaft sleeve along the axial direction of the half-shaft sleeve, the brake calipers are in transmission connection with the brake disc, and the brake disc is in transmission connection with a planet carrier hub flange assembly of the hub driving device. In the wheel hub braking assembly that this application provided, follow axle sleeve axis direction, the brake disc is installed axle sleeve one side, brake caliper with the brake disc transmission is connected, the brake disc with wheel hub drive arrangement's planet carrier wheel hub flange assembly transmission is connected, has reduced effectively along the space that perpendicular axle sleeve axis direction occupy, has improved the compactedness of wheel hub braking assembly, and the horizontal occupation space of wheel hub braking assembly reduces.
Description
Technical Field
The utility model relates to the technical field of vehicle body hub braking, in particular to a hub braking assembly.
Background
The hub motor is a motor arranged in a wheel, and a power device, a transmission device and a braking device are integrated into the hub, so that the mechanical part of the electric vehicle is greatly simplified.
The hub brake assembly of the hub motor comprises brake calipers, a brake disc, a half-shaft sleeve and a hub driving device, wherein the brake calipers, the brake disc and the hub driving device are arranged in the direction perpendicular to the axis direction of the half-shaft sleeve, the hub brake assembly is loose in structure, and all the parts are arranged in the transverse direction, so that the hub brake assembly occupies a large transverse space.
Therefore, how to reduce the lateral occupied space of the hub brake assembly is a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to provide a hub brake assembly having a reduced lateral footprint.
In order to achieve the purpose, the utility model provides a hub brake assembly which comprises brake calipers, a brake disc, a half-shaft sleeve and a hub driving device arranged on the half-shaft sleeve, wherein the brake disc is arranged on one side of the half-shaft sleeve along the axial direction of the half-shaft sleeve, the brake calipers are in transmission connection with the brake disc, and the brake disc is in transmission connection with a planet carrier hub flange assembly of the hub driving device.
Preferably, the planet carrier hub flange assembly and the brake caliper are respectively located on two opposite sides of a motor assembly of the hub driving device.
Preferably, the brake caliper is one.
Preferably, the number of the brake calipers is at least two.
Preferably, the brake calipers are circumferentially and evenly arranged around the brake disc periphery.
Preferably, the brake caliper is located forward of the wheel in the direction of wheel travel.
Preferably, the brake caliper is located rearward of the wheel in a direction of wheel travel.
Preferably, the hub driving device comprises the planet carrier hub flange assembly, a planetary speed reducing mechanism and a disc motor which are sequentially arranged along the axial direction of the axle shaft sleeve, and one end of the axle shaft sleeve, which is far away from the planet carrier hub flange assembly, is fixedly connected with the suspension component.
Preferably, the hub flange is installed on the axle shaft sleeve through a hub bearing, and the first end of the axle shaft sleeve is abutted and locked with the outer periphery of the inner ring of the hub bearing through a first locking piece.
Preferably, the first locking member is a threaded fastener that is threadedly coupled to the axle housing.
In the technical scheme, the hub brake assembly provided by the utility model comprises brake calipers, a brake disc, a half-shaft sleeve and a hub driving device arranged on the half-shaft sleeve, wherein the brake disc is arranged on one side of the half-shaft sleeve along the axial direction of the half-shaft sleeve, the brake calipers are in transmission connection with the brake disc, and the brake disc is in transmission connection with a planet carrier hub flange assembly of the hub driving device.
Can know through the above-mentioned description, in the wheel hub braking assembly that this application provided, follow axle sleeve axis direction, the brake disc is installed axle sleeve one side, brake caliper with the brake disc transmission is connected, the brake disc with wheel hub drive arrangement's planet carrier wheel hub flange assembly transmission is connected, has reduced effectively along the space that perpendicular axle sleeve axis direction occupy, has improved the compactedness of wheel hub braking assembly, and the horizontal occupation space of wheel hub braking assembly reduces.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a view illustrating an installation position of a hub brake assembly according to an embodiment of the present invention.
Wherein in FIG. 1: 1-brake caliper, 2-brake disc, 3-motor stator assembly, 4-motor rotor assembly, 5-sun wheel rotor retainer assembly, 6-first speed reduction planet wheel, 7-second planet wheel, 8-outer gear ring assembly, 9-planet carrier hub flange assembly, 10-hub bearing, 11-motor bearing, 12-sealing assembly, 13-wheel bolt, 14-wheel, 15-axle sleeve and 16-motor shell.
Detailed Description
The core of the utility model is to provide a hub brake assembly having a reduced lateral footprint.
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
Please refer to fig. 1.
In a specific implementation manner, the hub brake assembly provided by the embodiment of the present invention includes a brake caliper 1, a brake disc 2, a half-axle sleeve 15, and a hub driving device installed on the half-axle sleeve 15, wherein the brake disc 2 is installed on one side of the half-axle sleeve 15 along an axial direction of the half-axle sleeve 15, the brake caliper 1 is in transmission connection with the brake disc 2, and the brake disc 2 is in transmission connection with a planet carrier hub flange assembly 9 of the hub driving device. Preferably, the planet carrier flange assembly 9 is an integrally formed structure.
The brake caliper 1 can be one at the time of the specific installation. Of course, the brake caliper 1 can also be at least two, for example 3, 4, etc. Preferably, when the brake caliper 1 is a plurality of, the brake caliper 1 is uniformly arranged around the periphery of the brake disc 2.
When the hub brake assembly works, the brake calipers 1 and the brake disc 2 generate brake force, and the brake force is transmitted to the planet carrier hub flange assembly through the brake disc 2, so that the brake force is transmitted to a wheel.
According to the wheel hub brake assembly provided by the application, along the axis direction of the axle sleeve 15, the brake disc 2 is installed on one side of the axle sleeve 15, the brake caliper 1 is in transmission connection with the brake disc 2, and the brake disc 2 is in transmission connection with the planet carrier wheel hub flange assembly 9 of the wheel hub driving device, so that the space occupied along the axis direction perpendicular to the axle sleeve 15 is effectively reduced, the compactness of the wheel hub brake assembly is improved, and the transverse occupied space of the wheel hub brake assembly is reduced.
In particular, during installation, the planet carrier hub flange assembly 9 and the brake caliper 1 are preferably located on opposite sides of the motor assembly of the hub driving device.
In one embodiment, the brake caliper 1 is located in front of the wheel in the direction of travel of the wheel. The brake caliper 1 can also be located behind the wheel, as required. Wherein the position of the brake caliper 1 is determined according to actual requirements when being specifically installed.
In a specific embodiment, the hub driving device comprises a planet carrier hub flange assembly 9, a planetary reduction mechanism and a disc motor which are sequentially arranged along the axial direction of a half shaft sleeve 15, wherein one end, far away from the planet carrier hub flange assembly, of the half shaft sleeve 15 is fixedly connected with a suspension component.
When the planet carrier hub flange assembly 9 is installed on the axle shaft sleeve 15 through the hub bearing 10, the first end of the axle shaft sleeve 15 is locked by abutting against the periphery of the inner ring of the hub bearing 10 through the first locking piece. In particular, the first locking member may be a snap.
To facilitate disassembly, the first retaining member is preferably a threaded fastener that is threadably connected to the half-shaft sleeve 15. In order to improve the mounting stability, a gasket is arranged at the position where the threaded fastener abuts against the semi-axis sleeve 15.
The second end of the half-shaft sleeve 15 may abut against the motor housing 16 of the disc motor by a second fastener, which may be, in particular, a threaded fastener that is threaded onto the half-shaft sleeve 15. For the convenience of assembly, it is preferable that the second end of the half shaft sleeve 15 is provided with a limit stop abutting against the motor housing 16 of the disc motor, and the second end and the first end are opposite ends of the half shaft sleeve 15, respectively. Specifically, the limiting table is annularly arranged around the periphery of the semi-axis sleeve 15.
In order to improve the assembly efficiency, it is preferable that the stopper table be integrally formed with the half-shaft bushing 15. Specifically, the limiting table and the half-shaft sleeve 15 are integrally cast and molded.
In one embodiment, the disc motor includes a motor stator assembly 3, a motor rotor assembly 4, and a sun gear rotor holder assembly 5 connected to an output end of the motor rotor assembly 4.
Preferably, the planetary reduction mechanism comprises a first reduction planetary gear 6 connected with the output end of the sun wheel rotor retainer assembly 5 and a second planetary gear 7 in transmission connection with the first reduction planetary gear 6, and the second planetary gear 7 is meshed with the outer gear ring. During specific work, the motor rotor assembly 4 transmits power to the sun gear rotor retainer assembly 5, the second planet gear 7 is driven to be meshed with the outer gear ring through the first reduction planet gear 6, and the power is finally transmitted to the wheel 14 through an integrated structure formed by the planet carrier hub flange assembly 9.
In one embodiment, the motor stator assembly 3 is preferably sleeved outside the half-axle sleeve 15 and is fixedly connected with the half-axle sleeve 15. Specifically, the motor stator assembly 3 is fixed with the motor housing 16, and the motor stator assembly 3 is fixedly connected with the half-shaft sleeve 15 through the motor housing 16.
In a specific embodiment, the hub driving integrated device further comprises an outer gear ring assembly 8, and the outer gear ring assembly 8 is sleeved outside the axle sleeve 15 and fixed relative to the axle sleeve 15. Specifically, the outer ring gear assembly 8 is connected to the outer periphery of the first planetary gear via a seal assembly 12.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a wheel hub brake assembly, its characterized in that includes brake caliper (1), brake disc (2), axle sleeve pipe (15) and installs wheel hub drive arrangement on axle sleeve pipe (15) is followed axle sleeve pipe (15) axis direction, brake disc (2) are installed axle sleeve pipe (15) one side, brake caliper (1) with brake disc (2) transmission is connected, brake disc (2) with wheel hub drive arrangement's planet carrier wheel hub flange assembly (9) transmission is connected.
2. A hub brake assembly according to claim 1, wherein the planet carrier hub flange assembly (9) and the brake caliper (1) are located on opposite sides of an electric motor assembly of the hub drive unit.
3. A hub brake assembly according to claim 1, wherein the brake caliper (1) is one.
4. A hub brake assembly according to claim 1, wherein the brake caliper (1) is at least two.
5. A hub brake assembly according to claim 4, wherein the brake caliper (1) is circumferentially uniformly arranged around the brake disc (2).
6. A hub brake assembly according to claim 1, wherein the brake caliper (1) is located forward of the wheel in the direction of wheel travel.
7. A hub brake assembly according to claim 1, wherein the brake caliper (1) is located rearward of the wheel in the direction of wheel travel.
8. The hub brake assembly according to claim 1, wherein the hub driving device comprises the planet carrier hub flange assembly (9), a planetary reduction mechanism and a disc motor which are sequentially arranged along the axial direction of the axle shaft sleeve (15), and one end of the axle shaft sleeve (15) far away from the planet carrier hub flange assembly (9) is fixedly connected with a suspension component.
9. A hub brake assembly according to claim 1, wherein the hub flange (9) is mounted on the axle sleeve (15) by means of a hub bearing (10), the first end of the axle sleeve (15) being locked in abutment with the inner circumference of the hub bearing (10) by means of a first locking member.
10. A hub brake assembly according to claim 9, wherein the first locking member is a threaded fastener which is threadedly connected to the axle sleeve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122042193.5U CN215861427U (en) | 2021-08-27 | 2021-08-27 | Wheel hub brake assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122042193.5U CN215861427U (en) | 2021-08-27 | 2021-08-27 | Wheel hub brake assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215861427U true CN215861427U (en) | 2022-02-18 |
Family
ID=80243370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122042193.5U Active CN215861427U (en) | 2021-08-27 | 2021-08-27 | Wheel hub brake assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215861427U (en) |
-
2021
- 2021-08-27 CN CN202122042193.5U patent/CN215861427U/en active Active
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