Rear axle and vehicle

Abstract

The utility model discloses a rear axle and a vehicle, the rear axle comprises a bent pipe beam, an end cover and a steering knuckle, the end cover is arranged on the end portion of the bent pipe beam, and the steering knuckle is detachably arranged on the end cover. The end cover is arranged at the end part of the bent pipe beam, so that the steering knuckle can be conveniently disassembled relative to the end cover, the time for assembling the steering knuckle and the bent pipe beam can be saved, and the production cost of the rear axle can be further saved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, in particular to a rear axle and a vehicle. Background Art

[0002] At present, the rear axle of a fuel non-load-bearing vehicle is composed of a bridge housing, a rear axle half shaft and a main reducer, so that it can be connected to the frame through the rear suspension. The basic function of the rear axle is to transmit the power transmitted by the universal joint, reduce the speed by the main reducer, increase the torque, change the direction of force transmission, and then transmit it to the drive wheels. At the same time, the rear axle also bears the plumb force, longitudinal force, lateral force and torque acting between the road surface and the frame.

[0003] In the related technology, in the process of transformation from fuel non-load-bearing vehicles to new energy vehicles, different power layout configurations began to appear. The layout requirements of the rear axle motor made the traditional integral rear axle unusable, resulting in the emergence of a bent tube beam rear axle, which facilitated the layout of the rear axle motor. However, a steering knuckle was welded on the bent tube beam to connect the bent tube beam and the drive shaft assembly, and was used to install the brake caliper and wheel speed sensor. During the production process, the welded steering knuckle required an additional welding process to weld the steering knuckle to the bent tube beam, which increased the production time and had poor maintenance economy, resulting in cost waste. With the rise of the off-road market, personalized modifications have also become popular. Although the structure of the bent tube beam welded steering knuckle can realize the function of the traditional rear axle, its modifiability is poor. The factory assembly method and performance have been locked, making it impossible to modify it significantly, which in turn affects the user experience of the driver and passengers. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the utility model is to provide a rear axle, which can reduce the processing difficulty of the bent tube beam and facilitate the assembly of the bent tube beam and the steering knuckle, thereby saving processing and assembly time and further saving production costs.

[0005] The utility model further provides a vehicle.

[0006] According to the rear axle of the utility model, it comprises: a bent tube beam, an end cover and a steering knuckle, wherein the end cover is arranged at the end of the bent tube beam, and the steering knuckle is detachably arranged on the end cover.

[0007] According to the rear axle of the utility model, an end cover is provided at the end of the bent tube beam, thereby facilitating the disassembly of the steering knuckle relative to the end cover, and also saving the assembly time between the steering knuckle and the bent tube beam, thereby saving the production cost of the rear axle.

[0008] In some examples of the present invention, the end cover includes: a cover plate and a ring body, the steering knuckle is detachably arranged on the cover plate, the ring body is connected to the outer peripheral edge of the cover plate, and the ring body is arranged at the end of the bent tube beam.

[0009] In some examples of the present invention, the cover plate is provided with a first mounting hole, and the steering knuckle is provided with a second mounting hole, and the first mounting hole and the second mounting hole are arranged opposite to each other and connected by a fastener.

[0010] In some examples of the present invention, the cover plate is provided with a first positioning portion, and the steering knuckle is provided with a second positioning portion, and the first positioning portion and the second positioning portion are positioned and matched one by one.

[0011] In some examples of the present invention, one of the first positioning portion and the second positioning portion is a positioning pin and the other is a positioning hole.

[0012] In some examples of the present invention, a sleeve portion is provided at one end of the ring body away from the cover plate, the sleeve portion is sleeved on the end of the bent tube beam, and the sleeve portion is welded or screwed to the end of the bent tube beam.

[0013] In some examples of the present invention, the steering knuckle includes: a mounting body and a shock absorber connecting arm, the mounting body is formed with a mounting groove opening toward the end cover, the end cover extends into the mounting groove, the end cover is detachably connected to the bottom of the mounting groove, and the shock absorber connecting arm is obliquely arranged on the mounting body.

[0014] In some examples of the present invention, the mounting body is provided with at least one of a hub bearing mounting hole, a caliper mounting hole and a wheel speed sensor mounting hole.

[0015] The vehicle according to the utility model comprises: the rear axle mentioned above.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 is a schematic structural diagram of a rear axle according to an embodiment of the utility model;

[0019] Figure 2 is a schematic diagram of a partial structure of a rear axle at a first angle according to an embodiment of the utility model;

[0020] Figure 3 is a schematic diagram of a partial structure of a rear axle at a second angle according to an embodiment of the utility model;

[0021] Figure 4 It is a structural diagram of the steering knuckle.

[0022] Reference numerals:

[0023] 1. Rear axle;

[0024] 2. Bend tube beam; 3. End cover; 31. Cover plate; 32. Ring body; 33. First mounting hole; 34. First positioning portion; 35. Sleeve portion; 4. Steering knuckle; 41. Second mounting hole; 42. Second positioning portion; 43. Mounting body; 44. Shock absorber connecting arm; 45. Wheel hub bearing mounting hole; 46. Caliper mounting hole; 47. Wheel speed sensor mounting hole; 5. Fasteners. DETAILED DESCRIPTION

[0025] The embodiments of the present utility model are described in detail below. The embodiments described with reference to the accompanying drawings are exemplary. The embodiments of the present utility model are described in detail below.

[0026] Reference below Figure 1-Figure 4 The rear axle 1 according to an embodiment of the present invention is described, and the rear axle 1 is applied to a vehicle, for example, a new energy vehicle and an off-road vehicle.

[0027] like Figure 1-Figure 4 As shown, the rear axle 1 according to the utility model comprises: a curved tube beam 2, an end cover 3 and a steering knuckle 4, wherein the end cover 3 is arranged at the end of the curved tube beam 2, and the steering knuckle 4 is detachably arranged at the end cover 3. It can be understood that the curved tube beam 2, the end cover 3 and the steering knuckle 4 constitute the main structure of the rear axle 1, and the end cover 3 is arranged at the end of the curved tube beam 2, so that the end of the curved tube beam 2 can limit the end cover 3, so that the end cover 3 can be assembled at one end of the curved tube beam 2, and the steering knuckle 4 can be disassembled and installed relative to the end cover 3, so that the steering knuckle 4 can be disassembled and installed relative to the end cover 3, and it is convenient to independently produce the steering knuckle 4 and the curved tube beam 2, so that the assembly time of the steering knuckle 4 and the curved tube beam 2 can be saved and maintenance can be facilitated, thereby saving the production cost of the rear axle 1. For example, when the vehicle is modified, it is only necessary to disassemble the steering knuckle 4, the end cover 3 and the curved tube beam 2, and there is no need to replace the curved tube beam 2 as a whole, so that the modification of the rear axle 1 can be increased.

[0028] Therefore, by providing the end cover 3 at the end of the bent tube beam 2, it is convenient to disassemble the steering knuckle 4 relative to the end cover 3, and the assembly time between the steering knuckle 4 and the bent tube beam 2 can be saved, thereby saving the production cost of the rear axle 1.

[0029] Among them, Figure 2 and Figure 3 As shown, the end cover 3 includes: a cover plate 31 and a ring body 32, the steering knuckle 4 is detachably arranged on the cover plate 31, the ring body 32 is connected to the outer peripheral edge of the cover plate 31, and the ring body 32 is arranged at the end of the curved tube beam 2. In other words, the cover plate 31 and the ring body 32 constitute the main structure of the end cover 3, the cover plate 31 is arranged toward the steering knuckle 4, so as to facilitate the assembly and disassembly of the cover plate 31 and the steering knuckle 4, and the ring body 32 is arranged on the outer peripheral edge of the cover plate 31, so that the ring body 32 can be sleeved on the end of the curved tube beam 2, so as to facilitate the assembly and disassembly of the end cover 3 and the curved tube beam 2, and further facilitate the assembly and disassembly between the curved tube beam 2, the end cover 3 and the steering knuckle 4. For example, the length of the ring body 32 can be selected according to the actual needs of the user, so as to improve the modifiability of the rear axle 1.

[0030] In addition, if Figure 3 and Figure 4 As shown, the cover plate 31 is provided with a first mounting hole 33, and the steering knuckle 4 is provided with a second mounting hole 41, and the first mounting hole 33 and the second mounting hole 41 are arranged opposite to each other and connected by a fastener 5. It can be understood that the first mounting hole 33 is located on the cover plate 31, and the second mounting hole 41 is located on the steering knuckle 4. After the steering knuckle 4 is assembled on the cover plate 31, the first mounting hole 33 and the second mounting hole 41 correspond to each other one by one, and the first mounting hole 33 is close to both ends of the diameter of the circumferential surface of the cover plate 31, so that the first mounting hole 33 and the second mounting hole 41 are convenient for positioning the cover plate 31 and the steering knuckle 4. The fastener 5 can penetrate the first mounting hole 33 and the second mounting hole 41, so that the cover plate 31 and the steering knuckle 4 can be connected into a whole, thereby improving the stability of the assembly of the end cover 3 and the steering knuckle 4.

[0031] In particular, if Figure 3 and Figure 4 As shown, the fastener 5 is a bolt, the first mounting hole 33 is configured as a threaded hole, and the second mounting hole 41 is configured as a through hole. That is to say, when the fastener 5 is passed through the steering knuckle 4 and the end cover 3, the through hole on the steering knuckle 4 is first passed through, and then the bolt is threadedly matched with the threaded hole, so that the cover plate 31 and the steering knuckle 4 can be connected as a whole, thereby improving the stability of the assembly of the end cover 3 and the steering knuckle 4, and the steering knuckle 4 can be independently designed and installed first, and then connected to the end cover 3 through the fastener 5, thereby improving the refitability of the rear axle 1, thereby satisfying more driving experience for passengers.

[0032] In addition, if Figure 3 and Figure 4As shown, the cover plate 31 is provided with a first positioning portion 34, and the steering knuckle 4 is provided with a second positioning portion 42, and the first positioning portion 34 and the second positioning portion 42 are positioned and matched one by one. It can be understood that the first positioning portion 34 is located on the cover plate 31, and the second positioning portion 42 is located on the steering knuckle 4, and the first positioning portion 34 and the second positioning portion 42 are corresponding one by one, so as to facilitate the assembly of the end cover 3 and the steering knuckle 4, and the first positioning portions 34 are arranged at intervals on the circumferential surface of the cover plate 31, so as to facilitate the first positioning portion 34 and the second positioning portion 42 to limit the end cover 3 and the steering knuckle 4, thereby facilitating the assembly of the steering knuckle 4 on the end cover 3.

[0033] In particular, if Figure 3 and Figure 4 As shown, one of the first positioning portion 34 and the second positioning portion 42 is a positioning pin and the other is a positioning hole. That is, the first positioning portion 34 is a positioning pin, and the second positioning portion 42 is a positioning hole. The positioning pin is inserted into the positioning hole, so that the end cover 3 can limit the steering knuckle 4, thereby facilitating the assembly of the steering knuckle 4 on the end cover 3.

[0034] In addition, if Figure 2 and Figure 3 As shown, a sleeve portion 35 is provided at one end of the ring body 32 away from the cover plate 31, and the sleeve portion 35 is sleeved on the end of the curved tube beam 2, and the sleeve portion 35 is welded or screwed to the end of the curved tube beam 2. It can be understood that the sleeve portion 35 is located on the ring body 32, and the sleeve portion 35 is away from the cover plate 31, so that it is convenient for the sleeve portion 35 to be sleeved on the end of the curved tube beam 2, and then it is convenient for the end cover 3 to be assembled on the curved tube beam 2, and the sleeve portion 35 and the end of the curved tube beam 2 are welded or screwed, so that the connection between the end cover 3 and the curved tube beam 2 can be fast and safe, and the screwing method does not produce open flames, so that the safety of the rear axle 1 during assembly can be ensured.

[0035] In addition, if Figure 4 As shown, the steering knuckle 4 includes: a mounting body 43 and a shock absorber connecting arm 44. The mounting body 43 is formed with a mounting groove opening toward the end cover 3. The end cover 3 extends into the mounting groove. The end cover 3 is detachably connected to the bottom of the mounting groove. The shock absorber connecting arm 44 is obliquely arranged on the mounting body 43, that is, the shock absorber connecting arm 44 is connected to the mounting body 43 at a certain angle. In other words, the mounting body 43 and the shock absorber connecting arm 44 constitute the main structure of the steering knuckle 4. The mounting body 43 is provided with a mounting groove, and the mounting groove is assembled with the end cover 3, so that the end cover 3 and the steering knuckle 4 can be connected, thereby facilitating the installation and disassembly between the end cover 3 and the steering knuckle 4. The shock absorber connecting arm 44 is arranged at one end of the mounting body 43, and the shock absorber connecting arm 44 is arranged at a certain angle with the mounting body 43, thereby facilitating the installation of the drive shaft and the shock absorber, thereby improving the vehicle's modifiability.

[0036] In addition, Figure 4 As shown, the mounting body 43 is provided with at least one of a hub bearing mounting hole 45 , a caliper mounting hole 46 and a wheel speed sensor mounting hole 47 , so that a hub bearing, a caliper and a wheel speed sensor can be arranged on the mounting body 43 .

[0037] The vehicle according to the embodiment of the utility model comprises: the rear axle 1 of the above embodiment, by arranging the end cover 3 at the end of the bent tube beam 2, so as to facilitate the disassembly of the steering knuckle 4 relative to the end cover 3, and also save the assembly time between the steering knuckle 4 and the bent tube beam 2, thereby saving the production cost of the rear axle 1.

[0038] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0039] In the description of the present utility model, "first feature" and "second feature" may include one or more of the features. In the description of the present utility model, "plurality" means two or more. In the description of the present utility model, the first feature "above" or "below" the second feature may include the first and second features being in direct contact, or the first and second features being in contact not directly but through another feature between them. In the description of the present utility model, the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.

[0040] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example.

[0041] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A rear axle, characterized in that: include: Bent tube beam (2); An end cover (3), the end cover (3) being arranged at an end of the bent tube beam (2); as well as A steering knuckle (4), wherein the steering knuckle (4) is detachably arranged on the end cover (3).

2. The rear axle according to claim 1, characterized in that: The end cover (3) comprises: A cover plate (31), the steering knuckle (4) being detachably arranged on the cover plate (31); A ring body (32), the ring body (32) is connected to the outer peripheral edge of the cover plate (31), and the ring body (32) is arranged at the end of the bent tube beam (2).

3. The rear axle according to claim 2, characterized in that: The cover plate (31) is provided with a first mounting hole (33), and the steering knuckle (4) is provided with a second mounting hole (41); the first mounting hole (33) and the second mounting hole (41) are arranged opposite to each other and are connected via a fastener (5).

4. The rear axle according to claim 2 or 3, characterized in that: The cover plate (31) is provided with a first positioning portion (34), and the steering knuckle (4) is provided with a second positioning portion (42), and the first positioning portion (34) and the second positioning portion (42) are positioned and matched in a one-to-one correspondence.

5. The rear axle according to claim 4, characterized in that: One of the first positioning portion (34) and the second positioning portion (42) is a positioning pin and the other is a positioning hole.

6. The rear axle according to claim 2, characterized in that: A sleeve portion (35) is provided at one end of the ring body (32) away from the cover plate (31), and the sleeve portion (35) is sleeved on the end of the bent tube beam (2).

7. The rear axle according to claim 6, characterized in that: The sleeve portion (35) is welded or screwed to the end of the bent tube beam (2).

8. The rear axle according to claim 2, characterized in that: The steering knuckle (4) comprises: An installation body (43), the installation body (43) being formed with an installation groove opening toward the end cover (3), the end cover (3) extending into the installation groove, and the end cover (3) being detachably connected to the bottom of the installation groove; A shock absorber connecting arm (44), wherein the shock absorber connecting arm (44) is obliquely arranged on the mounting body (43).

9. The rear axle according to claim 8, characterized in that: The mounting body (43) is provided with at least one of a hub bearing mounting hole (45), a caliper mounting hole (46) and a wheel speed sensor mounting hole (47).

10. A vehicle, characterized in that: include: The rear axle (1) according to any one of claims 1 to 9.

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