CN221292813U

CN221292813U - Integrated half-shaft sleeve and drive axle assembly

Info

Publication number: CN221292813U
Application number: CN202323597650.2U
Authority: CN
Inventors: 熊壳; 王明明; 陈龙; 路国卫
Original assignee: Geek Transmission Technology Suzhou Co ltd
Current assignee: Geek Transmission Technology Suzhou Co ltd
Priority date: 2023-12-28
Filing date: 2023-12-28
Publication date: 2024-07-09
Anticipated expiration: 2033-12-28

Abstract

The utility model provides an integrated half-axle sleeve and a drive axle assembly, wherein the half-axle sleeve comprises: the sleeve body, sleeve body front end is provided with the stopper support. An ABS sensor bracket is arranged at the lower part of the sleeve main body. The sleeve body is integrally arranged with the brake bracket and the ABS sensor bracket. The integrated half-shaft sleeve optimizes the brake mounting bracket, the ABS sensor bracket and the half-shaft sleeve into one part, reduces the number of developed parts, correspondingly cancels the bolt connection structure between the parts, improves the structural strength, lightens the structural weight, reduces the development cost of the parts and improves the assembly efficiency. In addition, the unique design of the lubricating oil duct and the shoulder can enable lubricating oil in the reduction gearbox to better flow into the inner cavity of the sleeve body and store the lubricating oil, so that the wheel end parts are fully impregnated with the lubricating oil, the surfaces of the parts are sealed, the rust aging phenomenon caused by long-term air contact is avoided, and the service life of the parts is prolonged.

Description

Integrated half-shaft sleeve and drive axle assembly

Technical Field

The utility model relates to the technical field of half-shaft sleeves, in particular to an integrated half-shaft sleeve and a drive axle assembly.

Background

With the increasing popularization of vehicles and the increasing severe environmental protection requirements, the integrated design of automobile parts is more and more important, and the integrated design of parts not only can enable the automobile to be lighter and more weight, reduce the assembly difficulty, but also can prolong the service life of the parts.

In the prior art, the brake mounting bracket, the half axle sleeve and the ABS sensor bracket on the automobile drive axle are designed independently and are fixedly connected together through bolts, so that the number of parts of the whole axle is large, the assembly process is increased, the development cost of the parts is high, and the requirement of light weight of the parts is difficult to meet. In addition, the wheel end is far away from the oil storage position of the drive axle, so that enough lubricating oil cannot be guaranteed to be immersed, the oxidation corrosion rate of parts is high, and the service life of the parts is shortened.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provide an integrated half-shaft sleeve and drive axle assembly, so as to solve the problems that in the prior art, the number of parts is large, the assembly is complicated, the light weight requirement cannot be met, and the lubrication of the wheel end position is difficult to realize due to the fact that a brake mounting bracket, the half-shaft sleeve and an ABS sensor bracket are manufactured separately.

The present utility model provides an integrated axle sleeve comprising: the front end of the sleeve body is provided with a brake bracket; an ABS sensor bracket is arranged at the lower part of the sleeve main body; the sleeve body is integrally arranged with the brake bracket and the ABS sensor bracket.

Further, a lubrication oil duct for conveying lubricating oil is arranged on the sleeve body, and the lubrication oil duct is communicated to the inner cavity of the sleeve body.

Further, an inlet of the lubricating oil duct is positioned at the front end of the sleeve main body, and an outlet of the lubricating oil duct is positioned in the inner cavity of the sleeve main body; the lubrication oil passage is provided in a side wall of the sleeve body, extending from a front end of the sleeve body into an inner cavity of the sleeve body.

Further, a shoulder for storing lubricating oil is arranged at the front end of the inner cavity of the sleeve body.

Further, the inner diameter of the inner cavity of the sleeve body is increased when the inner cavity is close to the front end, and the retaining shoulder and the inner cavity form an oil storage groove structure at the front end of the inner cavity.

The present utility model provides a drive axle assembly, comprising: the driving axle is characterized in that the left end and the right end of the driving axle are respectively connected with a wheel-side reduction gearbox, a half-shaft sleeve is arranged on one side, far away from the driving axle, of the wheel-side reduction gearbox along the axial direction, a wheel half shaft is sleeved in an inner cavity of the half-shaft sleeve, a driving end of the wheel half shaft extends out from one end of the half-shaft sleeve and is connected with an output end of the wheel-side reduction gearbox, and a fixed end of the wheel half shaft is positioned outside the other end of the half-shaft sleeve and is fixedly connected with a hub mechanism; the brake bracket on the half-shaft sleeve is fixedly connected with a brake for braking the hub mechanism; cantilever arms are fixedly arranged on the outer walls of the two sides of the wheel reduction gearbox respectively, and the tail ends of the cantilever arms are used for being connected with an automobile chassis.

Further, an ABS sensor for monitoring the rotating speed is fixedly arranged on an ABS sensor bracket on the half-shaft sleeve.

In an embodiment of the present utility model, the drive axle is provided with a thrust rod.

In the embodiment of the utility model, one end of the cantilever connected with the automobile chassis is provided with an air bag and a shock absorber, wherein the air bag is connected with the automobile chassis in a supporting way and is used for supporting the weight of the automobile body and adjusting the height of the automobile body; the shock absorber is connected with the automobile chassis and used for reducing vibration when the automobile walks.

In the embodiment of the utility model, a locking nut is fixedly arranged at the end part of one end of the half-shaft sleeve, which is far away from the wheel-side reduction gearbox, and a gasket is arranged between the locking nut and the end part of the half-shaft sleeve.

According to the above embodiments, the integrated axle sleeve and drive axle assembly provided by the present utility model has at least the following advantages: the integrated half-shaft sleeve optimizes the brake mounting bracket, the ABS sensor bracket and the half-shaft sleeve into one part, reduces the number of developed parts, correspondingly cancels the bolt connection structure between the parts, and achieves the purposes of reducing the weight, reducing the development cost of the parts and improving the assembly efficiency through the optimized structure. In addition, the unique design of the lubricating oil duct and the shoulder can enable lubricating oil in the reduction gearbox to better flow into the wheel end position and store the lubricating oil, so that the wheel end parts are fully impregnated with the lubricating oil, the surfaces of the parts are sealed, the rust aging phenomenon caused by long-term air contact is avoided, and the service life of the parts is prolonged.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the scope of the utility model, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and, together with the description, serve to explain the principles of the utility model.

Fig. 1 is a front view of an integrated axle sleeve provided by the present utility model.

Fig. 2 is a cross-sectional view at A-A in fig. 1.

Fig. 3 is a cross-sectional view at B-B in fig. 1.

Fig. 4 is a top view of a drive axle assembly.

Fig. 5 is a front view of a drive axle assembly.

Fig. 6 is an assembled structural view of the integrated axle sleeve.

Reference numerals illustrate:

1-half shaft sleeve, 2-driving axle housing, 3-wheel reduction box, 4-wheel half shaft, 5-hub mechanism, 6-brake, 7-cantilever, 8-ABS sensor, 9-thrust rod, 10-air bag, 11-shock absorber, 12-lock nut and 13-gasket;

101-sleeve body, 102-brake support, 103-ABS sensor support, 104-lubrication oil duct, 105-shoulder.

Detailed Description

Various exemplary embodiments of the utility model will now be described in detail, which should not be considered as limiting the utility model, but rather as more detailed descriptions of certain aspects, features and embodiments of the utility model.

It will be apparent to those skilled in the art that various modifications and variations can be made in the specific embodiments of the utility model described herein without departing from the scope or spirit of the utility model. Other embodiments will be apparent to those skilled in the art from consideration of the specification of the present utility model. The specification and examples of the present utility model are exemplary only.

The utility model provides an integrated half-shaft sleeve, which is shown in fig. 1-3 as a structural diagram. In a specific embodiment, the axle sleeve comprises: the sleeve main body 101, sleeve main body 101 front end is provided with stopper support 102, and stopper support 102 distributes in the both sides of sleeve main body 101 front end, plays stable effect of connecting.

An ABS sensor bracket 103 is provided at the lower part of the sleeve body 101 for fixing an ABS sensor corresponding to the position of the ABS gear ring on the hub mechanism 5, thereby detecting the rotational speed of the hub mechanism.

In this embodiment, the sleeve body 101 is integrally provided with the brake bracket 102 and the ABS sensor bracket 103.

In the specific embodiment of the utility model, at least one lubrication oil passage 104 for conveying lubricating oil is arranged on the sleeve main body 101, and the lubrication oil passage 104 is communicated with the inner cavity of the sleeve main body 101. Specifically, the inlet of the lubrication oil passage 104 is located at the front end of the sleeve body 101, and the outlet of the lubrication oil passage 104 is located in the inner cavity of the sleeve body 101. The lubrication oil passage 104 is provided in a side wall of the sleeve body 101, extending from a front end of the sleeve body 101 into an inner cavity of the sleeve body 101.

The entry of lubrication oil duct 104 communicates with the inside of wheel reduction 3, and when the operation of wheel reduction 3, its inside lubricating oil is stirred by the gear and can get into in the inner chamber of sleeve pipe main part 101 through this entry, and then carries out abundant dip dyeing to inner chamber and wheel semi-axis, avoids spare part corrosion ageing.

Further, a shoulder 105 for storing lubricating oil is provided at the front end of the inner cavity of the sleeve body 101. In this embodiment, the shoulder 105 is a continuous structure, and is disposed at a lower portion of the front end of the inner cavity, for blocking the lubricant from flowing out of the front end of the sleeve body 101, so as to store some lubricant in the inner cavity of the sleeve body 101. In addition, the outlet of the lubrication oil passage 104 is located on the side of the shoulder 105 away from the front end of the inner cavity.

Further, the inner diameter of the inner cavity of the sleeve body 101 becomes larger near the front end, and the shoulder 105 and the inner cavity form an oil storage tank structure at the front end of the inner cavity.

The present invention also passes through a drive axle assembly, as shown in fig. 4-6, comprising: the driving axle housing 2, both ends are connected with wheel limit reducing gear box 3 respectively about the driving axle housing 2, and the wheel limit reducing gear box 3 is kept away from the one side of driving axle housing 2 along axial direction fixedly provided with semi-axis sleeve 1, and the sleeve pipe main part 101 front end and the wheel limit reducing gear box 3 fixed connection of this semi-axis sleeve 1. The wheel half shaft 4 is sleeved in the inner cavity of the half shaft sleeve 1, the driving end of the wheel half shaft 4 extends out of one end of the half shaft sleeve 1, namely, the driving end of the wheel half shaft 4 extends out of the front end of the sleeve main body 101 and is connected with the output end of the wheel side reduction gearbox 3 to realize power transmission and drive the wheel half shaft 4 to rotate. The fixed end of the wheel semi-axis 4 is positioned outside the other end of the semi-axis sleeve 1, namely, the fixed end of the wheel semi-axis 4 is positioned at the rear end of the sleeve main body 101 and is fixedly connected with the hub mechanism 5 to drive the hub mechanism 5 to rotate together. Specifically, the hub mechanism 5 is provided with a fixed bearing, and the fixed bearing is sleeved on the outer wall of the sleeve main body 101 from the rear end of the sleeve main body 101, so that the wheel half shaft 4 drives the hub mechanism 5 to rotate relatively to the sleeve main body 101. In addition, the fixed end of the wheel half shaft 4 is fixedly connected with the hub mechanism 5, and the connecting surface is provided with sealant, so that the lubricating oil in the inner cavity of the sleeve main body 101 can be prevented from leaking.

A brake 6 for braking the hub mechanism 5 is fixedly connected to a brake bracket 102 on the axle sleeve 1, and the brake 6 is used for braking the hub mechanism 5.

Cantilever arms 7 are fixedly arranged on the outer walls of the two sides of the wheel-side reduction gearbox 3 respectively, and the tail ends of the cantilever arms 7 are used for being connected with an automobile chassis to play a role in supporting the automobile chassis.

Further, an ABS sensor 8 for monitoring the rotation speed is fixedly provided on an ABS sensor bracket 103 on the half axle sleeve 1. The ABS sensor 8 corresponds to an ABS gear ring on the hub mechanism 5 and detects the ABS gear ring when the hub mechanism 5 rotates, so that the purpose of measuring the speed is achieved.

In addition, the driving axle housing 2 is provided with a thrust rod 9, and the thrust rod 9 can prevent the driving axle assembly from displacing in the running process of the vehicle and bear and transmit longitudinal force and lateral force. In addition, the vehicle can bear transverse force and longitudinal force when the vehicle turns sideways, and the vehicle can be ensured to be stable in the turning process.

In the specific embodiment of the utility model, one end of the cantilever 7 connected with the chassis of the automobile is provided with an air bag 10 and a shock absorber 11. The air bag 10 is supported and connected with the automobile chassis and is used for supporting the weight of the automobile body and adjusting the height of the automobile body. In addition, the air bag 10 has a certain vibration reduction effect, and travelling comfort is improved.

The shock absorber 11 is connected with the chassis of the automobile, and is used for reducing vibration when the automobile walks and rapidly eliminating impact caused by uneven ground, so that wheels can be better attached to the road surface.

In the specific embodiment of the utility model, as shown in fig. 6, a lock nut 12 is fixedly arranged at the end part of one end of the half-shaft sleeve 1 far away from the wheel-side reduction box 3, and a gasket 13 is arranged between the lock nut 12 and the end part of the half-shaft sleeve 1. As shown in fig. 2, the rear end of the sleeve body 101 is a stepped shaft, the hub mechanism 5 is first sleeved on the outer wall of the sleeve body 101 from the rear end of the sleeve body 101, then the gasket 13 is sleeved on the stepped shaft from the rear end of the sleeve body 101, and finally the lock nut 12 is fixedly screwed on the stepped shaft in a threaded connection manner and compresses the gasket 13. One side of the hub mechanism 5 is limited by the step, and the other side is limited by the lock nut 12 and the gasket 13, so that axial displacement of the hub mechanism in the operation process is avoided.

The foregoing is merely illustrative of the embodiments of this utility model and any equivalent and equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this utility model.

Claims

1. An integrated axle sleeve, comprising: a sleeve main body (101), wherein a brake bracket (102) is arranged at the front end of the sleeve main body (101);

An ABS sensor bracket (103) is arranged at the lower part of the sleeve main body (101);

The sleeve body (101) is integrally arranged with the brake bracket (102) and the ABS sensor bracket (103).

2. The integrated half-shaft sleeve according to claim 1, characterized in that a lubrication oil duct (104) for conveying lubricating oil is arranged on the sleeve main body (101), and the lubrication oil duct (104) is communicated to the inner cavity of the sleeve main body (101).

3. The integrated half-shaft sleeve according to claim 2, characterized in that the inlet of the lubrication oil channel (104) is located at the front end of the sleeve body (101), the outlet of the lubrication oil channel (104) is located in the inner cavity of the sleeve body (101);

The lubrication oil passage (104) is provided in a side wall of the sleeve body (101) and extends from a front end of the sleeve body (101) into an inner cavity of the sleeve body (101).

4. The integrated half-shaft sleeve according to claim 2, characterized in that the front end of the inner cavity of the sleeve body (101) is provided with a shoulder (105) for storing lubricating oil.

5. The integrated half-shaft sleeve according to claim 4, characterized in that the inner diameter of the inner cavity of the sleeve body (101) becomes larger near the front end, and the shoulder (105) and the inner cavity form an oil storage tank structure at the front end of the inner cavity.

6. A drive axle assembly, comprising: the driving axle housing (2), both ends are connected with wheel limit reducing gear boxes (3) respectively about driving axle housing (2), along the axial direction wheel limit reducing gear boxes (3) keep away from one side of driving axle housing (2) is provided with half axle sleeve (1) of any one of claims 1-5, cover in half axle sleeve (1) inner chamber is equipped with wheel semi-axle (4), the driving end of wheel semi-axle (4) stretches out from half axle sleeve (1) one end and connects the output of wheel limit reducing gear boxes (3), the stiff end of wheel semi-axle (4) is located the outside of half axle sleeve (1) other end to with wheel hub mechanism (5) fixed connection;

A brake (6) for braking the hub mechanism (5) is fixedly connected to the brake bracket (102) on the half-shaft sleeve (1);

Cantilever arms (7) are fixedly arranged on the outer walls of the two sides of the wheel reduction box (3), and the tail ends of the cantilever arms (7) are used for being connected with an automobile chassis.

7. The drive axle assembly according to claim 6, characterized in that an ABS sensor (8) for monitoring the rotational speed is fixedly arranged on an ABS sensor holder (103) on the axle sleeve (1).

8. The drive axle assembly according to claim 6, wherein a thrust rod (9) is provided on the drive axle housing (2).

9. The drive axle assembly according to claim 6, wherein the end of the suspension arm (7) connected to the chassis of the vehicle is provided with an airbag (10) and a damper (11), wherein,

The air bag (10) is connected with the automobile chassis in a supporting way and is used for supporting the weight of the automobile body and adjusting the height of the automobile body;

the shock absorber (11) is connected with the automobile chassis and is used for reducing vibration when the automobile walks.

10. The drive axle assembly according to claim 6, characterized in that a lock nut (12) is fixedly arranged at the end of the half axle sleeve (1) away from one end of the wheel reduction (3), and a gasket (13) is arranged between the lock nut (12) and the end of the half axle sleeve (1).