Brake assembly of hub driving device

Abstract

The utility model belongs to the technical field of wheel hub brakes, and particularly relates to a brake assembly of a wheel hub driving device, which comprises a wheel hub and a transmission box body for providing power for the wheel hub, a flange shaft head is connected between the transmission box body and the wheel hub, and the flange shaft head comprises a disc body part fixedly connected with the wheel hub and a shaft sleeve part rotationally connected with the transmission box body. Comprising a brake disc mounted on a disc body part of a flange shaft head; the brake caliper is mounted on the transmission box body and is used for braking the brake disc; wherein an installation hole matched with the brake caliper is formed in the radial outer side of the transmission case body in a penetrating mode, and the transmission case has the advantages that compared with a traditional hub which is axially connected and fixed through the brake disc connected with the transmission case body in the radial direction, reliable braking is guaranteed, meanwhile, the structure of the transmission case is more compact, meanwhile, the installation space is reduced, and the installation cost is reduced. The space utilization rate is improved, and a suspension system can be better met.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel hub brakes, in particular to a brake assembly of a wheel hub drive device. Background Art

[0002] In traditional wheel hub design, the brake disc is usually fastened to the wheel hub by bolts along the axial direction (i.e., in the direction parallel to the wheel axis), but this mounting structure will occupy a large amount of installation space in the vehicle hub, affecting the adaptation of other components such as the motor or chassis suspension structure to the wheel hub. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a brake assembly for a wheel hub drive device to solve the above problems.

[0004] The technical solution of the utility model is implemented as follows: a brake assembly of a wheel hub drive device, including a wheel hub and a transmission box body providing power to the wheel hub, a flange shaft head is connected between the transmission box body and the wheel hub, and the flange shaft head includes a disc body part connected and fixed to the wheel hub and a sleeve part rotatably connected to the transmission box body, including:

[0005] The brake disc is fixedly mounted on the disc body of the flange shaft head;

[0006] Brake caliper, fixedly mounted on the transmission case, used to brake the brake disc;

[0007] Wherein, a mounting hole matching with the brake caliper is provided through the radial outer side of the transmission case.

[0008] Furthermore, at least two mounting holes are provided, and fastening bolts are connected between the mounting holes and the brake disc.

[0009] Furthermore, an internal thread matching the fastening bolt is provided on the inner wall of the mounting hole.

[0010] Furthermore, one end of the fastening bolt extends into the transmission box through the mounting hole and is threadedly connected to the limit block.

[0011] Furthermore, the limiting block is a fastening nut.

[0012] The beneficial effects of the utility model are:

[0013] Compared with the axial connection and fixation of the traditional wheel hub, the brake disc radially connected to the transmission case ensures reliable braking while making the structure more compact, reducing the installation space, improving space utilization, and better meeting the suspension system. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 This is a schematic cross-sectional structure diagram of a brake assembly according to a specific implementation method of the utility model. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] like Figure 1 As shown in the figure, the utility model discloses a brake assembly of a wheel hub drive device, a brake assembly of a wheel hub drive device, comprising a wheel hub and a transmission box 1 for providing power to the wheel hub, a flange shaft head 2 is connected between the transmission box 1 and the wheel hub, and the flange shaft head 2 comprises a disc body portion connected and fixed to the wheel hub and a shaft sleeve portion rotatably connected to the transmission box, comprising:

[0018] The brake disc 3 is fixedly mounted on the disc body of the flange shaft head 2;

[0019] The brake caliper 4 is fixedly mounted on the transmission housing 1 and is used to brake the brake disc 3;

[0020] A mounting hole matching with the brake caliper 4 is provided through the radial outer side of the transmission housing 1 .

[0021] By adopting the above technical solution, the brake disc radially connected to the transmission case is compared with the axial connection and fixation of the traditional wheel hub. While ensuring reliable braking, the structure is more compact, the installation space is reduced, the space utilization rate is improved, and it can better meet the suspension system.

[0022] The utility model is further configured as follows: at least two mounting holes are provided, and fastening bolts are connected between the mounting holes and the brake disc 3 .

[0023] By adopting the above technical solution, the connection is firm, ensuring the stability and reliability of the brake disc.

[0024] The utility model is further configured as follows: an internal thread matched with the fastening bolt is arranged on the inner wall of the mounting hole.

[0025] By adopting the above technical solution, the firmness of the brake disc connection is further improved.

[0026] The utility model is further configured as follows: one end of the fastening bolt extends into the transmission box body through the mounting hole and is threadedly connected to the limiting block.

[0027] By adopting the above technical solution, the firmness of the brake disc connection is further improved, and at the same time the internal space of the transmission case can be effectively utilized.

[0028] The utility model is further configured as follows: the limiting block is a fastening nut.

[0029] By adopting the above technical solution, the limit block is preferably a fastening nut for easy disassembly and assembly, and the limit block can also be a block-shaped component that adapts and abuts against the internal contour of the transmission box.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A brake assembly of a wheel hub drive device, comprising a wheel hub and a transmission housing (1) for providing power to the wheel hub, a flange shaft head (2) being connected between the transmission housing (1) and the wheel hub, the flange shaft head (2) comprising a disc portion fixedly connected to the wheel hub and a sleeve portion rotatably connected to the transmission housing, characterized in that: include: A brake disc (3) is fixedly mounted on the disc body of the flange shaft head (2); A brake caliper (4) is fixedly mounted on the transmission housing (1) and is used to brake the brake disc (3); A mounting hole matching the brake caliper (4) is provided through the radial outer side of the transmission housing (1).

2. The brake assembly of a wheel hub drive device according to claim 1, characterized in that: At least two mounting holes are provided, and fastening bolts are connected between the mounting holes and the brake disc (3).

3. The brake assembly of a wheel hub drive device according to claim 1, characterized in that: An internal thread matched with the fastening bolt is arranged on the inner wall of the mounting hole.

4. The brake assembly of a wheel hub drive device according to claim 2, characterized in that: One end of the fastening bolt extends into the transmission box through the mounting hole and is threadedly connected to the limit block.

5. The brake assembly of a wheel hub drive device according to claim 4, characterized in that: The limit block is a fastening nut.

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