CN211942847U

CN211942847U - Rear axle wheel limit structure and vehicle

Info

Publication number: CN211942847U
Application number: CN202020157197.0U
Authority: CN
Inventors: 胡如现; 方传传; 宋祥峰; 刘剑; 王东剑
Original assignee: Beiqi Foton Motor Co Ltd
Current assignee: Beiqi Foton Motor Co Ltd
Priority date: 2020-02-07
Filing date: 2020-02-07
Publication date: 2020-11-17
Anticipated expiration: 2030-02-07

Abstract

The utility model relates to a rear axle wheel limit structure and vehicle, wherein, rear axle wheel limit structure includes wheel (1), wheel hub bearing (2) and drive half axle (3), rear axle wheel limit structure still includes first flange portion (4) that has first flange (41) and first axle sleeve (42), wherein, first flange (41) with rim (11) fixed connection of wheel (1), first axle sleeve (42) cover is established on drive half axle (3), inner circle (21) cover of wheel hub bearing (2) is established on first axle sleeve (42), drive half axle (3) through first axle sleeve (42) corotation drive inner circle (21); the outer ring (22) of the hub bearing (2) is used for being fixedly connected with a vehicle suspension. Through above-mentioned technical scheme, the fixed drive semi-axis that leads to of rotatory inner circle of wheel hub bearing outer lane is long, the technical problem that the structure is complicated can be solved to rear axle wheel limit structure and vehicle that this disclosure provided.

Description

Rear axle wheel limit structure and vehicle

Technical Field

The disclosure relates to the field of vehicles, in particular to a rear axle wheel edge structure and a vehicle.

Background

At present, in the wheel edge structure of the rear axle of the mainstream commercial vehicle, the wheel hub bearings are fixed by the outer ring rotating and the inner ring. In order to fixedly connect the half shaft with the outer ring of the hub bearing, power can be transmitted to a wheel through the outer ring of the bearing, the half shaft needs to have enough length, and the shaft head needs to have a corresponding structure for being connected with the outer ring of the bearing, so that the length of the driving half shaft is longer, the structure is complex, and the processing difficulty and the manufacturing cost of the driving half shaft are increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rear axle wheel limit structure and vehicle to solve the fixed technical problem that leads to of drive semi-axis length, structure are complicated of rotatory inner circle of wheel hub bearing outer lane.

In order to achieve the above object, the present disclosure provides a rear axle wheel rim structure, including a wheel, a hub bearing, and a driving half shaft, where the rear axle wheel rim structure further includes a first flange portion having a first flange and a first shaft sleeve, where the first flange is fixedly connected to a rim of the wheel, the first shaft sleeve is sleeved on the driving half shaft, an inner ring of the hub bearing is sleeved on the first shaft sleeve, and the driving half shaft co-rotates to drive the inner ring through the first shaft sleeve; and the outer ring of the hub bearing is fixedly connected with a vehicle suspension.

Optionally, a limit nut is sleeved on the drive half shaft and abuts against an outer end face of the first shaft sleeve.

Optionally, the driving half shaft and the first shaft sleeve are in spline connection.

Optionally, the first sleeve is in interference fit with the inner ring.

Optionally, the wheel further comprises a brake hub, the first flange, the brake hub and the rim being fixedly connected by first bolts.

Optionally, the first flange is formed as a stepped shaft having a large diameter portion and a small diameter portion, and the rim is fitted over the small diameter portion and interference-fitted with the small diameter portion.

Optionally, the rear axle wheel-side structure further includes a second flange portion having a second bushing and a second flange, and a wheel-side support for being fixedly connected to the vehicle suspension, the second bushing is sleeved on the outer ring and is relatively fixed to the outer ring, and the second flange is fixed to the wheel-side support.

Optionally, the second sleeve is an interference fit with the outer race.

Optionally, the wheel further includes a brake dust cover disposed inside the wheel, and the brake dust cover, the second flange, and the wheel rim support are fixedly connected by a second bolt.

On the basis of the technical scheme, the disclosure also provides a vehicle which comprises the rear axle wheel edge structure in the technical scheme.

Through above-mentioned technical scheme, the rear axle wheel limit structure that this disclosure provided includes the wheel, is used for to the drive semi-axis of wheel transmission power and can make wheel and automobile body take place relative pivoted wheel hub bearing, wherein, wheel hub bearing's outer lane is used for vehicle suspension fixed connection, and wheel hub bearing's inner circle is through the first axle sleeve and the drive semi-axis fixed connection of first flange portion to make the drive semi-axis can transmit power to the rim of wheel through wheel hub bearing's inner circle, thereby make the drive semi-axis can drive the wheel and rotate. The driving half shaft drives the inner ring to drive the wheel to rotate through the co-rotation of the first shaft sleeve, so that the tail end of the driving half shaft does not need to extend for being connected with the outer ring, and the tail end of the driving half shaft does not need to be provided with a complex structure for being connected with the outer ring, so that the overlong axial length and the complex structure of the driving half shaft are avoided, the production and the manufacture of the driving half shaft can be simplified, and the production cost is reduced. The vehicle provided by the present disclosure has the same technical effects as the rear axle wheel rim structure described in the above technical solutions, and is not described herein in detail in order to avoid unnecessary repetition.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a schematic structural view of a rear axle wheel-rim structure in an embodiment of the present disclosure;

fig. 2 is a partially enlarged view of a portion a in fig. 1.

Description of the reference numerals

1-wheel, 11-wheel rim, 12-brake hub, 13-first bolt, 14-brake dust cap, 15-tire, 16-second bolt, 2-wheel hub bearing, 21-inner ring, 22-outer ring, 3-driving half shaft, 4-first flange part, 41-first flange, 411-large diameter part, 412-small diameter part, 42-first shaft sleeve, 5-limiting nut, 6-wheel rim support, 7-second flange part, 71-second flange and 72-second shaft sleeve.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise stated, the terms of orientation used as "inner and outer" are defined in conjunction with the self-profile of the respective parts and the usage environment, for example, "inner and outer" in the inner ring and the outer ring of the hub bearing means inner and outer with respect to the self-profile of the hub bearing, and "inner and outer" in the inner end face and the outer end face of the first sleeve means inner and outer with respect to the vehicle body. The terms "first," "second," and the like, as used in this disclosure, are intended to distinguish one element from another, and not necessarily for sequential or importance. In addition, when the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.

According to the specific embodiment of the present disclosure, a rear axle wheel rim structure is provided, as shown in fig. 1 and fig. 2, including a wheel 1, a hub bearing 2 and a drive half shaft 3, and the rear axle wheel rim structure may further include a first flange portion 4 having a first flange 41 and a first shaft sleeve 42, where the first flange 41 is fixedly connected to a rim 11 of the wheel 1, the first shaft sleeve 42 is sleeved on the drive half shaft 3, an inner ring 21 of the hub bearing 2 is sleeved on the first shaft sleeve 42, and the drive half shaft 3 co-rotates to drive the inner ring 21 through the first shaft sleeve 42, where the co-rotation drive means that the drive half shaft 3 drives the first shaft sleeve 42 sleeved on the outer side thereof to rotate, and the first shaft sleeve 42 drives the inner ring 21 sleeved on the outer side thereof to rotate; the outer ring 22 of the hub bearing 2 is intended for a fixed connection to a vehicle suspension.

Through the technical scheme, the rear axle wheel-side structure provided by the disclosure comprises a wheel 1, a drive half shaft 3 for transmitting power to the wheel 1 and a hub bearing 2 capable of enabling the wheel 1 and a vehicle body to rotate relatively, wherein an outer ring 22 of the hub bearing 2 is used for fixedly connecting a vehicle suspension, and an inner ring 21 of the hub bearing 2 is fixedly connected with the drive half shaft 3 through a first shaft sleeve 42 of a first flange part 4, so that the drive half shaft 3 can transmit power to a rim 11 of the wheel 1 through the inner ring 21 of the hub bearing 2, and the drive half shaft 3 can drive the wheel 1 to rotate. Since the drive half shaft 3 drives the inner ring 21 to rotate through the co-rotation of the first shaft sleeve 42, the tail end of the drive half shaft 3 does not need to extend for being connected with the outer ring 22, and the tail end of the drive half shaft does not need to be provided with a complex structure for being connected with the outer ring 22, so that the overlong axial length and the complex structure of the drive half shaft 3 are avoided, the production and the manufacture of the drive half shaft 3 can be simplified, and the production cost can be reduced.

In order to achieve the axial relative fixation between the drive half shaft 3 and the first flange portion 4, referring to fig. 1 and 2, the drive half shaft 3 may be configured as a stepped shaft, an inner end surface of the first shaft sleeve 42 abuts against a shaft shoulder of the drive half shaft 3, an end of the drive half shaft 3 extending out of the hub bearing 2 may be provided with an external thread, and the end may be sleeved with a limit nut 5, through the threaded fit of the limit nut 5 with the end, the limit nut 5 may abut against an outer end surface of the first shaft sleeve 42, so that the first shaft sleeve 42 is limited between the limit nut 5 and the shaft shoulder of the drive half shaft 3, thereby enabling the axial relative fixation between the drive half shaft 3 and the first flange portion 4.

In order to achieve the relative fixation between the driving half shaft 3 and the first sleeve 42 in the circumferential direction, as shown in fig. 1 and 2, the driving half shaft 3 and the first sleeve 42 may be splined to facilitate assembly.

In order to fix the first sleeve 42 and the inner ring 2 relatively, an interference fit may be provided between the first sleeve 42 and the inner ring 21, so that the first sleeve 42 can drive the inner ring 21 to rotate together. Further, the first flange portion 4 may be integrally formed with the inner ring 21, and specifically, the first boss 42 of the first flange portion 4 may be integrally formed with the inner ring 21.

In addition, referring to fig. 1 and 2, the wheel 1 may further include a brake hub 12, in order to enable the brake hub 12 to rotate with the wheel 1, the first flange 41, the brake hub 12, and the rim 11 may be fixedly connected by the first bolts 13, and a plurality of the first bolts 13 may be evenly spaced in the circumferential direction on the wheel 1 to ensure the connection strength.

In the embodiment of the present disclosure, the first flange 41 may also be in interference fit with the rim 11, specifically, the first flange 41 may be formed as a stepped shaft having a large diameter portion 411 and a small diameter portion 412, and referring to fig. 1 and fig. 2, the rim 11 is sleeved on the small diameter portion 412 and in interference fit with the small diameter portion 412 to ensure that the first flange 4 can drive the rim 11 to rotate synchronously when rotating. The large diameter portion 411, the brake hub 12, and the rim 11 are sequentially brought into surface contact with each other and fastened by the first bolt 13.

In an embodiment of the present disclosure, in order to mount the rear axle wheel-rim structure to the vehicle body, referring to fig. 1 and 2, the rear axle wheel-rim structure may further include a second flange portion 7 having a second bushing 72 and a second flange 71, and a wheel-rim support 6 for being fixedly connected with the vehicle suspension, the second bushing 72 may be sleeved on the outer ring 22 and fixed opposite to the outer ring 22, and the second flange 71 may be fixedly connected to the wheel-rim support 6, so that the second flange portion 7 and the outer ring 22 are fixedly connected with the vehicle suspension through the wheel-rim support 6.

In the embodiment of the present disclosure, the second flange portion 7 and the outer ring 22 may be integrally formed, and in particular, the second sleeve 72 of the second flange portion 7 and the outer ring 22 may be integrally formed, so as to reduce the assembling steps and improve the assembling efficiency. In addition, the second shaft sleeve 72 may be assembled and molded separately from the outer ring 22 by interference fit.

In the embodiment of the present disclosure, the wheel 1 may further include a brake dust cover 14 disposed inside the wheel 1, and as shown in fig. 1 and 2, the brake dust cover 14 may be covered outside the brake hub 12 with a clearance fit to prevent dust from entering the brake and affecting the operation of the brake. The brake dust cover 14, the second flange 71 and the wheel rim support 6 can be fixedly connected by the second bolt 16.

On the basis of the technical scheme, the vehicle comprises the rear axle wheel edge structure in the technical scheme.

Through above-mentioned technical scheme, the vehicle that this disclosure provided has the same technological effect with rear axle wheel limit structure among the above-mentioned technical scheme, avoids unnecessary repetition, does not describe here any more.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. A rear axle wheel-side structure comprises a wheel (1), a hub bearing (2) and a drive half shaft (3), and is characterized by further comprising a first flange part (4) provided with a first flange (41) and a first shaft sleeve (42), wherein the first flange (41) is fixedly connected with a wheel rim (11) of the wheel (1), the first shaft sleeve (42) is sleeved on the drive half shaft (3), an inner ring (21) of the hub bearing (2) is sleeved on the first shaft sleeve (42), and the drive half shaft (3) drives the inner ring (21) through the first shaft sleeve (42) in a co-rotation manner; the outer ring (22) of the hub bearing (2) is used for being fixedly connected with a vehicle suspension.

2. The rear axle wheel rim structure according to claim 1, characterized in that the driving half shaft (3) is sleeved with a limit nut (5), and the limit nut (5) abuts against the outer end face of the first bushing (42).

3. The rear axle rim structure according to claim 2, characterized in that the drive half shaft (3) and the first bushing (42) are in splined connection.

4. The rear axle rim structure according to any one of claims 1-3, characterized in that the first bushing (42) is an interference fit with the inner ring (21).

5. The rear axle rim structure according to claim 1, characterized in that the wheel (1) further comprises a brake hub (12), and the first flange (41), the brake hub (12), and the rim (11) are fixedly connected by first bolts (13).

6. The rear axle rim structure according to claim 5, wherein the first flange (41) is formed as a stepped shaft having a large diameter portion (411) and a small diameter portion (412), and the rim (11) is fitted over the small diameter portion (412) and interference-fitted with the small diameter portion (412).

7. The rear axle wheel rim structure according to claim 1, further comprising a second flange portion (7) having a second bushing (72) and a second flange (71), and a wheel rim support (6) for fixed connection with the vehicle suspension, wherein the second bushing (72) is fitted over the outer ring (22) and fixed relative to the outer ring (22), and the second flange (71) is fixed to the wheel rim support (6).

8. The rear axle rim structure according to claim 7, wherein the second bushing (72) is an interference fit with the outer race (22).

9. The rear axle rim structure according to claim 7 or 8, characterized in that the wheel (1) further comprises a brake dust cover (14) arranged inside the wheel (1), the brake dust cover (14), the second flange (71) and the rim support (6) being fixedly connected by a second bolt (16).

10. A vehicle characterized by comprising the rear axle wheel-rim structure of any one of claims 1-9.