Automobile rear axle

Abstract

According to the technical scheme, the automobile rear axle is characterized in that the automobile rear axle comprises a first longitudinal arm, a second longitudinal arm is arranged on one side of the first longitudinal arm, lining sleeves are fixedly installed at the top end of the first longitudinal arm and the top end of the second longitudinal arm, two clamping grooves are formed in one end of each lining sleeve, and the other end of each lining sleeve is provided with a clamping groove. Two clamping blocks are fixedly installed at the end, away from the clamping groove, of the lining sleeve, each clamping block is composed of a rectangular block part and a rectangular plate part on one side, and through the design of the lining sleeve and the design that gaps exist in the surface of the lining sleeve, a certain buffering distance can be provided according to different specifications of linings; through the design of the clamping blocks, the part, with gaps, of the bushing sleeve can be limited and clamped together, it can be guaranteed that the bushing can be stably fixed in the bushing sleeve, the problem that the bushing falls off is avoided as much as possible, and the service life of the bushing sleeve is prolonged. The mutual attraction force between the two magnetic attraction blocks assists in limiting the distance between the two ends of the lining sleeve.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, specifically to a rear axle for automobiles. Background Technology

[0002] In the overall vehicle handling and stability tuning, it is usually necessary to adjust the hardness of the rear axle bushing and the angle corresponding to the hollow direction to achieve appropriate longitudinal and lateral stiffness of the whole vehicle, so as to obtain good response and compliance. Therefore, the rear axle bushing needs to be rotated along the axial direction or replaced directly. The problem is that since the bushing and the rear axle are press-fitted, the original bushing needs to be pressed out when replacing the bushing. This requires professional pressing equipment, and the bushing is easily damaged when pressed out, which affects the efficiency of the tuning.

[0003] A rear axle assembly for automobiles, with announcement number CN212124745U, has exhibited the following defects during use:

[0004] This invention solves the defects of the existing rear axle assembly, such as heavy weight, short lifespan, and poor part size consistency. However, in actual use, the bushing sleeve of this invention is an integral structure, and the removal and handling of the bushing will take extra time during maintenance or replacement. Therefore, we propose a new type of automotive rear axle. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a rear axle for automobiles that solves the problem that the bushing sleeve is an integral structure, which requires extra time to remove and handle during maintenance or replacement.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0007] A rear axle for automobiles includes a first trailing arm, a second trailing arm is provided on one side of the first trailing arm, and a bushing is fixedly installed at the top of both the first trailing arm and the second trailing arm. Two slots are provided at one end of the bushing, and two snap-fit ​​blocks are fixedly installed at the end of the bushing away from the slots. Each snap-fit ​​block is composed of a rectangular block portion and a rectangular plate portion on one side.

[0008] Preferably, a first connecting block is fixedly installed on the outer wall surface of the bushing sleeve, and a second connecting block is fixedly installed on the outer wall surface of the bushing sleeve. The first connecting block and the second connecting block are respectively located at both ends of the bushing sleeve. A fixing groove is opened on one side of the first connecting block and the second connecting block, and a magnetic block is fixedly installed inside the fixing groove.

[0009] Preferably, a crossbeam is provided on one side of the first longitudinal arm, the crossbeam is located between the first longitudinal arm and the second longitudinal arm, two third connecting blocks are fixedly installed on one side of both the first longitudinal arm and the second longitudinal arm, a screw hole is provided on one side of the third connecting block, two screw holes are provided on both sides of the crossbeam, and bolts are threaded into the screw holes on both sides of the crossbeam, the first longitudinal arm and the second longitudinal arm are fixedly installed together with the crossbeam by the bolts.

[0010] Preferably, spring seats are fixedly installed on the outer wall surfaces of both the first longitudinal arm and the second longitudinal arm, and a shock absorber mounting seat is fixedly installed on one side of each spring seat.

[0011] Preferably, a fixing plate is fixedly installed at the end of the first longitudinal arm and the second longitudinal arm away from the bushing sleeve, and a plurality of threaded holes are provided on one side of the fixing plate.

[0012] In summary, the present invention has the following main advantages:

[0013] 1. The bushing sleeve design, with gaps on its surface, provides a buffer distance to accommodate different bushing specifications, allowing the device to fit a wider range of bushings. The snap-fit ​​block design limits the gaps in the bushing sleeve, ensuring the bushing is securely fixed inside and minimizing the risk of it falling off.

[0014] 2. Through the design of the magnetic blocks, the mutual attraction between the two magnetic blocks can help limit the distance between the two ends of the bushing tube during actual use, further increasing the stability of the device during use, and thus increasing the safety of the vehicle. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0016] Figure 2 This is a schematic diagram of the disassembled structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the bushing sleeve structure of this utility model.

[0018] Reference numerals: 1. First longitudinal arm; 2. Second longitudinal arm; 3. Bushing sleeve; 4. Snap-fit ​​block; 5. First connecting block; 6. Second connecting block; 7. Fixing groove; 8. Magnetic block; 9. Crossbeam; 10. Third connecting block; 11. Bolt; 12. Spring seat; 13. Shock absorber mounting seat; 14. Fixing plate; 15. Threaded hole. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] refer to Figures 1-3 A rear axle for automobiles includes a first trailing arm 1, a second trailing arm 2 on one side of the first trailing arm 1, and bushing sleeves 3 fixedly installed at the top ends of both the first trailing arm 1 and the second trailing arm 2. The bushing sleeve 3 is designed with gaps on its surface to provide a certain buffer distance according to different bushing specifications, so that the device can adapt to more different bushings. Two slots are opened at one end of the bushing sleeve 3, and two snap-fit ​​blocks 4 are fixedly installed at the end of the bushing sleeve 3 away from the slots. The snap-fit ​​blocks 4 are composed of a rectangular block part and a rectangular plate part on one side. The design of the snap-fit ​​blocks 4 can limit the gaps in the bushing sleeve 3. The snap-fit ​​blocks can ensure that the bushing can be stably fixed inside and avoid the problem of bushing falling off as much as possible.

[0021] A first connecting block 5 is fixedly installed on the outer wall of the bushing sleeve 3, and a second connecting block 6 is fixedly installed on the outer wall of the bushing sleeve 3. The first connecting block 5 and the second connecting block 6 are located at both ends of the bushing sleeve 3, respectively. A fixing groove 7 is opened on one side of the first connecting block 5 and the second connecting block 6. A magnetic block 8 is fixedly installed inside the fixing groove 7. Through the design of the magnetic block 8, the mutual attraction between the two magnetic blocks 8 can help limit the distance between the two ends of the bushing sleeve 3 during actual use, further increasing the stability of the device during use, and thus increasing the safety of the vehicle. A crossbeam 9 is set on one side of the first longitudinal arm 1. The crossbeam 9 is located between the first longitudinal arm 1 and the second longitudinal arm 2. Two third connecting blocks 10 are fixedly installed on one side of the first longitudinal arm 1 and the second longitudinal arm 2. A screw hole is opened on one side of the third connecting block 10. Two screw holes are opened on both sides of the crossbeam 9. Bolts 11 are threaded into the screw holes on both sides of the crossbeam 9. The first longitudinal arm 1 and the second longitudinal arm 2 are fixedly installed together with the crossbeam 9 by bolts 11. The design allows for splicing and installation between the first longitudinal arm 1, the second longitudinal arm 2, and the crossbeam 9. While ensuring device stability, compared to a one-piece structure, it reduces maintenance costs by replacing parts, allowing users to maintain a longer lifespan with less expense. Spring seats 12 are fixedly installed on the outer walls of both the first and second longitudinal arms 1 and 2. A shock absorber mounting seat 13 is fixedly installed on one side of each spring seat 12. The design of the spring seat 12 and shock absorber mounting seat 13 allows for connection to components and shock absorbers inside the vehicle, ensuring the device functions normally within the vehicle and increasing vehicle stability during driving. A fixing plate 14 is fixedly installed at the end of both the first and second longitudinal arms 1 and 2 away from the bushing sleeve 3. Several threaded holes 15 are provided on one side of the fixing plate 14. The design of the fixing plate 14 and the threaded holes 15 limits the device's position within the vehicle, preventing deviation or detachment during vehicle operation and ensuring driving safety.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rear axle for an automobile, comprising a first trailing arm (1), characterized in that, A second longitudinal arm (2) is provided on one side of the first longitudinal arm (1). A bushing sleeve (3) is fixedly installed at the top of both the first longitudinal arm (1) and the second longitudinal arm (2). Two slots are opened at one end of the bushing sleeve (3). Two snap-fit ​​blocks (4) are fixedly installed at the end of the bushing sleeve (3) away from the slots. The snap-fit ​​block (4) is composed of a rectangular block part and a rectangular plate part on one side.

2. The automobile rear axle according to claim 1, characterized in that, A first connecting block (5) is fixedly installed on the outer wall of the bushing (3), and a second connecting block (6) is fixedly installed on the outer wall of the bushing (3). The first connecting block (5) and the second connecting block (6) are located at both ends of the bushing (3). A fixing groove (7) is provided on one side of the first connecting block (5) and the second connecting block (6). A magnetic block (8) is fixedly installed inside the fixing groove (7).

3. A rear axle for automobiles according to claim 1, characterized in that, A crossbeam (9) is provided on one side of the first longitudinal arm (1). The crossbeam (9) is located between the first longitudinal arm (1) and the second longitudinal arm (2). Two third connecting blocks (10) are fixedly installed on one side of both the first longitudinal arm (1) and the second longitudinal arm (2). A screw hole is provided on one side of the third connecting block (10). Two screw holes are provided on both sides of the crossbeam (9). Bolts (11) are threaded into the screw holes on both sides of the crossbeam (9). The first longitudinal arm (1) and the second longitudinal arm (2) are fixedly installed together with the crossbeam (9) by the bolts (11).

4. A rear axle for automobiles according to claim 1, characterized in that, Spring seats (12) are fixedly installed on the outer wall surfaces of the first longitudinal arm (1) and the second longitudinal arm (2), and a shock absorber mounting seat (13) is fixedly installed on one side of the spring seat (12).

5. A rear axle for automobiles according to claim 1, characterized in that, The first longitudinal arm (1) and the second longitudinal arm (2) are both fixedly mounted with a fixing plate (14) at the end away from the bushing sleeve (3), and a plurality of threaded holes (15) are opened on one side of the fixing plate (14).

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