High-bearing-capacity automobile swing arm assembly

Abstract

The utility model provides a high-load-bearing type automobile swing arm assembly which comprises a swing arm main body, a swing arm support, a swing arm support and a swing arm support. The whole swing arm main body is of a triangular structure, and the top end of the swing arm main body inclines backwards. The bushing components are arranged at two ends of the bottom of the swing arm main body; the reinforcing teeth are evenly arranged on one end face of the lining assembly in a circular ring array mode. Through the arrangement of the hollowed-out groove, the overall machining consumption of the swing arm body can be reduced, meanwhile, the swing arm body can be made to be lighter, the vehicle can be made to be lighter, meanwhile, stress concentration in the swing arm body can be avoided, and the bending resistance and twisting resistance of the swing arm body when the swing arm body is stressed can be enhanced conveniently; therefore, the overall structural strength of the swing arm main body is improved, and the use effect and the service life of the swing arm main body are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile suspension, in particular to a high-load-bearing automobile swing arm assembly. Background Art

[0002] The automobile swing arm, also called the control arm, is an important part of the automobile suspension system. It is located in the suspension position and acts as a guide and support to improve the stability of the car. The swing arm connects the frame and the wheels and has a shock-absorbing effect, making driving more comfortable. It supports the car body and buffers vibrations, which is crucial to driving stability.

[0003] A known authorized patent with application number: CN202021093219.8 discloses an upper swing arm assembly, and its background technology proposes the problem that "after the ball stud pin assembly is used for a long time, the ball head rod and the ball head seat will wear, causing the ball head rod to be unable to rotate or the rotation accuracy to be reduced, affecting the normal operation of the steering knuckle. At this time, the staff will usually disassemble the entire upper swing arm assembly and replace it completely, while the upper swing arm body has not been damaged, resulting in a waste of resources." For this reason, the technical solution to this problem is "including an upper swing arm and a ball head assembly connected to the upper swing arm, the upper swing arm is provided with a mounting hole for installing the ball head assembly, the ball head assembly is inserted into the mounting hole, and is detachably connected to the upper swing arm by a number of mounting bolts".

[0004] However, in the implementation of relevant technologies, it was found that the existing technical solutions have the following problems: most of the existing automobile swing arm structures have the problem of insufficient structural strength when in use, which can easily cause the swing arm structure to deform or break when subjected to huge loads. In addition, the design of the bushing assembly in the existing automobile swing arm is relatively simple, which not only has poor structural strength and shock absorption effect, but also easily causes significant vibration transmission during driving. After long-term use, it not only causes a significant reduction in ride comfort, but may also accelerate the wear of other components of the vehicle suspension system, thereby reducing the overall service life and effect of the swing arm and driving stability. Utility Model Content

[0005] In order to solve the above problems, the utility model proposes a high-load-bearing automobile swing arm assembly to solve the problems of insufficient structural strength of the existing automobile swing arm and poor strength and shock absorption effect of the swing arm bushing in the above-mentioned prior art.

[0006] To achieve the above-mentioned purpose, the high-load-bearing automobile swing arm assembly provided by the utility model includes: a swing arm body, which is a triangular structure as a whole and its top end is tilted backward; a bushing assembly arranged at both ends of the bottom of the swing arm body; a plurality of reinforcing teeth uniformly arranged on one end face of the bushing assembly in the form of a circular array; a plurality of shock-absorbing bosses uniformly arranged on one end face of the bushing assembly in the form of a circular array and located on the outside of the reinforcing teeth; a plurality of hollow grooves opened on the surface of the swing arm body, and the swing arm body is made of aluminum alloy; and a ball head assembly arranged at the top of the swing arm body.

[0007] Furthermore, two limit blocks are integrally formed on the top surface of the swing arm body, and the two limit blocks are symmetrically arranged.

[0008] Furthermore, a first mounting hole is provided at the top of the swing arm body, and second mounting holes are provided at both ends of the bottom of the swing arm body, and the bushing assembly is installed through the inside of the second mounting hole.

[0009] Furthermore, the ball head assembly includes a ball shell installed through the inside of the mounting hole, a ball head pin arranged inside the ball shell, and a pressure cover installed in the top opening of the ball shell.

[0010] Furthermore, the ball head assembly also includes two lower ball seats symmetrically arranged at the bottom of the ball shell and two upper ball seats symmetrically arranged at the top of the ball shell.

[0011] Furthermore, the ball head assembly also includes a dust cover fixedly mounted on the top of the ball shell and sleeved with the ball head pin, and a protective cover fixedly mounted on the top of the ball shell and located outside the dust cover and sleeved with the ball head pin.

[0012] Furthermore, the surface of the swing arm body is coated with an anti-rust layer, the surface of the anti-rust layer is coated with an anti-corrosion layer, and the surface of the anti-corrosion layer is coated with a wear-resistant layer.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The swing arm assembly provided by the utility model has a stable structure. By setting the hollow groove, the overall processing amount of the swing arm body can be reduced, and the swing arm body can be made lighter, which helps to make the vehicle lighter. At the same time, it can avoid stress concentration inside the swing arm body, and is convenient for enhancing the bending and twisting resistance of the swing arm body when subjected to force, thereby achieving the effect of improving the overall structural strength of the swing arm body, and effectively improving the use effect and life of the swing arm body.

[0015] The swing arm assembly provided by the utility model has good use effects. By using the strengthening teeth, the overall structural strength and load-bearing capacity of the bushing assembly can be improved, preventing it from being damaged in a high-strength working environment. At the same time, by using the shock-absorbing bosses, it is convenient to improve the shock-absorbing effect during vehicle driving, thereby effectively improving the riding comfort of passengers and the handling stability of the vehicle.

[0016] For better understanding and implementation, the following describes the utility model in detail with reference to the accompanying drawings. Description of the Drawings

[0017] Figure 1 is the overall structural schematic diagram of the utility model;

[0018] Figure 2 is the overall side view structural schematic diagram of the utility model;

[0019] Figure 3 is the partial structural schematic diagram of the bushing assembly of the utility model;

[0020] Figure 4 is the front view structural schematic diagram of the swing arm main body of the utility model;

[0021] Figure 5 is the rear view structural schematic diagram of the swing arm main body of the utility model;

[0022] Figure 6 is the side view structural schematic diagram of the swing arm main body of the utility model;

[0023] Figure 7 is the cross-sectional structural schematic diagram of the ball head assembly of the utility model;

[0024] Figure 8 is the plane structural schematic diagram of the swing arm main body of the utility model.

[0025] In the figures: 1, swing arm main body; 2, bushing assembly; 3, strengthening teeth; 4, shock-absorbing bosses; 5, hollow groove; 6, limiting block; 7, mounting hole one; 8, mounting hole two; 9, ball shell; 10, ball head pin; 11, lower ball seat; 12, upper ball seat; 13, dust cover; 14, protective cover; 15, gland; 16, rust-proof layer; 17, anti-corrosion layer; 18, wear-resistant layer. Detailed Embodiment

[0026] For a clearer understanding of the technical features, purposes and effects of the utility model, the following describes the specific embodiments of the utility model with reference to the accompanying drawings. However, the protection scope of the utility model is not limited to the following. Embodiment 1

[0027] Refer to Figure 1-8As shown, the high-load-bearing automobile swing arm assembly includes: a swing arm body 1, which is a triangular structure as a whole and its top is tilted backward; bushing assemblies 2 are arranged at both ends of the bottom of the swing arm body 1; a plurality of reinforcing teeth 3 are evenly arranged on one end surface of the bushing assembly 2 in the form of a circular array; a plurality of shock-absorbing bosses 4 are evenly arranged on one end surface of the bushing assembly 2 in the form of a circular array and are located on the outside of the reinforcing teeth 3; a plurality of hollow grooves 5 are opened on the surface of the swing arm body 1, and the swing arm body 1 is made of aluminum alloy; and a ball head assembly is arranged at the top of the swing arm body 1.

[0028] The technical solution provided by this embodiment is as follows: when in use, the bushing assembly 2 is installed at the corresponding position on the swing arm body 1, and then the ball head assembly is also installed at the corresponding position on the swing arm body 1, and finally the swing arm body 1 is installed on the automobile suspension system for use. During use, the hollow groove 5 is set to facilitate the removal of materials in non-stressed or less stressed areas, which can reduce the overall processing amount of the swing arm body 1 while making the swing arm body 1 lighter, thereby helping to make the vehicle lighter, facilitating the reduction of fuel consumption and improving fuel economy, and at the same time changing the stress distribution inside the swing arm body 1 to avoid stress concentration, so as to facilitate It is used to enhance the bending and twisting resistance of the swing arm body 1 when subjected to force, and combined with the excellent characteristics of the aluminum alloy material, the overall structural strength of the swing arm body 1 is significantly improved, and the use effect and life of the swing arm body 1 are effectively improved. In addition, the reinforcing teeth 3 arranged on the bushing assembly 2 can effectively improve the overall structural strength and bearing load of the bushing assembly 2 to prevent it from being damaged in a high-intensity working environment. At the same time, the shock-absorbing boss 4 is arranged to increase the bushing assembly 2's ability to absorb and disperse vibration energy, which is convenient for improving the shock-absorbing effect during vehicle driving, thereby effectively improving the passenger's riding comfort and the vehicle's handling stability.

[0029] Preferably, two limit blocks 6 are integrally formed on the top surface of the swing arm body 1, and the two limit blocks 6 are symmetrically arranged.

[0030] Specifically, by setting the limit block 6, the rotation position of the steering wheel can be limited to prevent the steering wheel from rotating too much to cause safety hazards, which is conducive to increasing the safety of use.

[0031] Preferably, a mounting hole 1 7 is provided at the top of the swing arm body 1 , mounting holes 2 8 are provided at both ends of the bottom of the swing arm body 1 , and the bushing assembly 2 is installed through the inside of the mounting hole 2 8 .

[0032] Specifically, by providing the first mounting hole 7, it is convenient to limit the installation position of the ball head assembly, and it is convenient to install and fix the ball head assembly. By providing the second mounting hole 8, it is convenient to install and fix the bushing assembly 2.

[0033] Preferably: The ball head assembly includes a ball shell 9 penetrating and installed inside the first mounting hole 7, a ball head pin 10 arranged inside the ball shell 9, and a gland 15 installed in the top opening of the ball shell 9.

[0034] The ball head assembly further includes two lower ball seats 11 symmetrically arranged at the inner bottom of the ball shell 9 and two upper ball seats 12 symmetrically arranged at the inner top of the ball shell 9.

[0035] The ball head assembly further includes a dust cover 13 fixedly installed on the top of the ball shell 9 and sleeving the ball head pin 10, and a protective cover 14 fixedly installed on the top of the ball shell 9 and located outside the dust cover 13 and sleeving the ball head pin 10.

[0036] Specifically, when installing the ball head, by installing the lower ball seat 11 inside the ball shell 9, then installing the ball head pin 10 inside the ball shell 9, and at the same time installing the upper ball seat 12 inside the ball shell 9, it is convenient to limit the ball head pin 10 through the cooperation of the lower ball seat 11 and the upper ball seat 12 to ensure the use stability of the ball head pin 10. Then install the gland 15 on the ball shell 9 to seal it, so that the ball head pin 10 is not easily separated from the ball shell 9, and install the dust cover 13 on the ball shell 9 to ensure the sealing between the ball shell 9 and the ball head pin 10, preventing dust from entering the ball shell 9 and affecting the use of the ball head pin 10. At the same time, install the protective cover 14 on the ball shell 9 to further increase the protection effect. Finally, fix the ball shell 9 inside the first mounting hole 7 to achieve the function of installing and fixing the ball head assembly. On the contrary, when the ball head needs to be replaced and maintained, remove the swing arm main body 1, then remove the ball shell 9 from the swing arm main body 1 and disassemble the gland 15 to maintain and replace the ball head pin 10, which is convenient for later maintenance. Embodiment 2

[0037] Based on Embodiment 1, in this embodiment: An anti-rust layer 16 is coated on the surface of the swing arm main body 1, an anti-corrosion layer 17 is coated on the surface of the anti-rust layer 16, and a wear-resistant layer 18 is coated on the surface of the anti-corrosion layer 17. Among them, the anti-rust layer 16 is a galvanized coating (electrophoretic coating or the like can also be used), the anti-corrosion layer 17 is an epoxy resin coating (polyurethane coating or the like can also be used), and the wear-resistant layer 18 is a powder coating (ceramic coating or hard alloy coating or the like can also be used).

[0038] The technical solution provided by this embodiment is as follows: During the use of the swing arm main body 1, the wear-resistant layer 18 provided can reduce the wear caused by friction during the use of the swing arm main body 1, maintain its structural integrity and functional stability, and at the same time can also improve the weather resistance and chemical resistance of the swing arm main body 1. Through the setting of the anti-corrosion layer 17, a uniform protective film can be formed on the basis of the rust-proof layer 16 to provide additional chemical protection for the swing arm main body 1, significantly improving the corrosion resistance of the swing arm main body 1 in harsh environments and extending its service life. By utilizing the rust-proof layer 16, the contact between oxygen and moisture and the surface of the swing arm main body 1 can be effectively blocked, thereby preventing the swing arm main body 1 from undergoing an oxidation reaction, reducing the occurrence of rust, and reducing the risk of structural damage caused by rust. At the same time, the rust-proof layer 16 can also provide a good adhesion basis for the subsequent anti-corrosion layer 17 and wear-resistant layer 18, ensuring the stability and durability of the entire coating system.

[0039] The above-disclosed are only the preferred embodiments of the present invention. Of course, the scope of the rights of the present invention cannot be limited thereby. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope covered by the present invention.

Claims

1. High-load vehicle swing arm assembly, characterized in that, Including: A swing arm main body (1), the swing arm main body (1) is integrally triangular in structure, and its top end is inclined backward; Bushing assemblies (2) provided at both ends of the bottom of the swing arm main body (1); A plurality of reinforcing teeth (3) evenly arranged in an annular array on one end face of the bushing assembly (2); A plurality of shock-absorbing bosses (4) evenly arranged in an annular array on one end face of the bushing assembly (2) and located outside the reinforcing teeth (3); A plurality of hollow grooves (5) opened on the surface of the swing arm main body (1), and the swing arm main body (1) is made of aluminum alloy material; And a ball head assembly provided at the top end of the swing arm main body (1).

2. The high-load vehicle swing arm assembly according to claim 1, wherein: Two limit blocks (6) are integrally formed on the top surface of the swing arm main body (1), and the two limit blocks (6) are symmetrically arranged.

3. The high-load vehicle swing arm assembly according to claim 1, characterized in that: An installation hole one (7) is opened at the top end of the swing arm main body (1), and installation holes two (8) are opened at both ends of the bottom of the swing arm main body (1), and the bushing assembly (2) is installed through the inside of the installation hole two (8).

4. The high-load vehicle swing arm assembly according to claim 3, characterized in that: The ball head assembly includes a ball shell (9) installed through the inside of the installation hole one (7), a ball head pin (10) provided inside the ball shell (9), and a gland (15) installed in the top opening of the ball shell (9).

5. The high-load vehicle swing arm assembly according to claim 4, wherein: The ball head assembly further includes two lower ball seats (11) symmetrically provided at the inner bottom of the ball shell (9) and two upper ball seats (12) symmetrically provided at the inner top of the ball shell (9).

6. The high-load vehicle swing arm assembly according to claim 5, wherein: The ball head assembly further includes a dust cover (13) fixedly installed on the top of the ball shell (9) and sleeving the ball head pin (10), and a protective cover (14) fixedly installed on the top of the ball shell (9) and located outside the dust cover (13) and sleeving the ball head pin (10).

7. The high-load vehicle swing arm assembly according to claim 1, wherein: An anti-rust layer (16) is coated on the surface of the swing arm main body (1), an anti-corrosion layer (17) is coated on the surface of the anti-rust layer (16), and a wear-resistant layer (18) is coated on the surface of the anti-corrosion layer (17).

Images