Automobile steering knuckle structure

Abstract

The utility model belongs to an automobile steering knuckle structure in the technical field of automobile parts. Comprising a steering pull arm (1) and an upper ball head connecting arm (2), a plurality of protruding connecting parts (3) are arranged on the steering pull arm (1), each connecting part (3) is provided with a caliper support mounting hole (4), a pull arm reinforcing part (5) is arranged between each connecting part (3) and the steering pull arm (1), a pull arm reinforcing rib (6) is arranged between the steering pull arm (1) and the upper ball head connecting arm (2), and a thickening part (7) is arranged on the upper ball head connecting arm (2). According to the automobile steering knuckle structure, the structure is simple, the impact resistance of the steering knuckle can be improved, the problems of deformation, damage and the like caused by stress are avoided, the service life is prolonged, the road passing impact resistance of an automobile is improved, normal running of the automobile is guaranteed, and the handling stability and running safety of the automobile are improved.

Description

Technical Field

[0001] This utility model belongs to the field of automotive parts technology, and more specifically, relates to an automotive steering knuckle structure. Background Technology

[0002] The steering knuckle is a key component of the steering axle in a car, and its performance affects the vehicle's handling stability and driving safety. During vehicle operation, especially under complex road conditions, the steering knuckle is subjected to various impact forces and alternating stresses from the road surface. Therefore, existing automotive steering knuckles have structural limitations, and are prone to deformation and damage when facing large impact forces, thereby affecting the normal driving of the vehicle and reducing its road resistance.

[0003] Existing technology includes a specification titled "An Automobile Steering Knuckle" with publication number CN111112556A. This technology provides an automobile steering knuckle, relating to the field of automotive parts, comprising a steering knuckle body. Two gates are provided on the side of the steering knuckle body away from the ball joint pin hole, and an overflow riser is provided at the ball joint pin hole area of ​​the steering knuckle body. This automobile steering knuckle uses one riser branching into two gates, thereby achieving simultaneous feeding of the steering arm and shock absorber arm, thus eliminating internal porosity. Simultaneously, the overflow riser allows the cold molten iron that enters first to be discharged during the molten iron filling process, thus eliminating hot spots at the ball joint pin hole area, thereby solving the problem of internal porosity in the casting and significantly improving the yield.

[0004] However, this technology does not address the technical issues and solutions of this application. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a simple automotive steering knuckle structure that can improve the impact resistance of the steering knuckle, avoid deformation and damage under stress, extend service life, improve the road impact resistance of the vehicle, ensure normal vehicle operation, and improve vehicle handling stability and driving safety, in order to address the shortcomings of the existing technology.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0007] This utility model relates to a steering knuckle structure for automobiles, including a steering tie arm and an upper ball joint connecting arm. The steering tie arm is provided with multiple protruding connecting parts, some of which are provided with caliper bracket mounting holes, and some of which are provided with steering tie arm holes. A tie arm reinforcing part is provided between each connecting part and the steering tie arm, and a tie arm reinforcing rib is provided between the steering tie arm and the upper ball joint connecting arm. A thickened part is provided on the upper ball joint connecting arm.

[0008] A bearing hole is provided in the middle of the steering arm.

[0009] The aforementioned steering tie arm, upper ball joint connecting arm, connecting part, tie arm reinforcing part, tie arm reinforcing rib, and thickened part are an integral structure.

[0010] The aforementioned automotive steering knuckle structure is a structure machined from a forging die.

[0011] The upper ball joint connecting arm has a thickened part on its side, which is connected to the pull arm reinforcing rib, and the pull arm reinforcing rib is connected to the steering pull arm.

[0012] The aforementioned automotive steering knuckle structure is made of alloy steel.

[0013] The surface of the automotive steering knuckle structure is provided with an electrophoretic corrosion-resistant layer.

[0014] Each caliper bracket mounting hole on each connecting part is provided with a tie arm reinforcement with an outer arc-shaped structure between each side and the steering tie arm.

[0015] The upper ball joint connecting arm is provided with an upper ball joint mounting hole.

[0016] The working principle and beneficial effects of this utility model are as follows:

[0017] The automotive steering knuckle structure described in this utility model is integrally machined. The structure includes a steering tie arm and an upper ball joint connecting arm. Multiple protruding connecting parts are provided on the steering tie arm, each with a caliper bracket mounting hole for connection to other parts. A tie arm reinforcement is provided between each connecting part and the steering tie arm to improve the strength of the tie arm and the connecting part. A tie arm reinforcing rib is provided between the steering tie arm and the upper ball joint connecting arm to further enhance the strength of the area between them. A thickened section is provided on the upper ball joint connecting arm to increase material thickness and improve local strength. The beneficial effects of this utility model are: improved impact resistance and extended service life: By thickening the stress-concentrated areas and providing multiple reinforcements, the steering knuckle's ability to resist road impacts is significantly enhanced, reducing the risk of deformation and damage under complex road conditions and extending its service life. Improved driving stability: Effectively reduces the impact of road impacts on vehicle driving, making the steering system more stable and reliable when driving over bumpy roads, improving vehicle handling stability and driving safety. Attached Figure Description

[0018] The following is a brief explanation of the contents depicted in the accompanying drawings and the markings therein:

[0019] Figure 1 This is a schematic diagram of the automotive steering knuckle structure described in this utility model;

[0020] The labels in the attached diagram are as follows: 1. Steering tie arm; 2. Upper ball joint connecting arm; 3. Connecting part; 4. Caliper bracket mounting hole; 5. Tie arm reinforcement part; 6. Tie arm reinforcing rib; 7. Thickened part; 8. Bearing hole; 9. Upper ball joint mounting hole; 10. Steering tie arm hole. Detailed Implementation

[0021] The following description, with reference to the accompanying drawings, provides a more detailed explanation of the specific embodiments of this utility model, including the shape and structure of each component, the relative positions and connections between the parts, the functions and working principles of each part:

[0022] As attached Figure 1 As shown, this utility model is a steering knuckle structure for automobiles, including a steering tie arm 1 and an upper ball joint connecting arm 2. The steering tie arm 1 has multiple protruding connecting portions 3, some of which have caliper bracket mounting holes 4, and some of which have steering tie arm holes 10. The caliper bracket mounting holes 4 are perpendicular to the steering tie arm holes 10. A tie arm reinforcing rib 6 is provided between the steering tie arm 1 and the upper ball joint connecting arm 2, and the upper ball joint connecting arm 2 has a thickened portion 7. This structure addresses the shortcomings of existing technologies by proposing an improved technical solution. In this structural design, the automotive steering knuckle structure is integrally machined. The structure includes a steering tie arm 1 and an upper ball joint connecting arm 2. The steering tie arm 1 has multiple protruding connecting parts 3, each with a caliper bracket mounting hole 4 for connection to other parts. A tie arm reinforcement 5 is provided between each connecting part 3 and the steering tie arm 1 to increase the strength of the connection. A tie arm reinforcing rib 6 is provided between the steering tie arm 1 and the upper ball joint connecting arm 2 to further enhance the strength of the area between them. A thickened part 7 is provided on the upper ball joint connecting arm 2 to increase material thickness and improve local strength. The automotive steering knuckle structure described in this invention is simple in structure, improves the steering knuckle's impact resistance, prevents deformation and damage under stress, extends its service life, improves the vehicle's road handling resistance, ensures normal vehicle operation, and enhances vehicle handling stability and driving safety.

[0023] The automotive steering knuckle structure described in this utility model features a reinforced design: Multiple reinforced sections are added at the junction of the steering tie arm 1 and the upper ball joint connecting arm 2. These reinforced sections are integrally formed with the steering tie arm (steering knuckle body). This reinforced design effectively disperses impact forces from the road surface, enhancing the overall deformation resistance of the steering knuckle. The beneficial effects of this utility model are: improved impact resistance and extended service life: By thickening the stress-concentrated areas and adding multiple reinforced sections, the steering knuckle's ability to resist road impacts is significantly enhanced, reducing the risk of deformation and damage under complex road conditions and extending its service life. Improved driving stability: Effectively reducing the impact of road impacts on vehicle driving makes the steering system more stable and reliable when the vehicle travels over bumpy roads, improving vehicle handling stability and driving safety.

[0024] The steering arm 1 has a bearing hole 8 in the middle. In this structure, the bearing hole 8 is used to achieve a reliable connection between the steering arm 1 of the steering knuckle and other components.

[0025] The steering tie arm 1, upper ball joint connecting arm 2, connecting part 3, tie arm reinforcing part 5, tie arm reinforcing rib 6, and thickened part 7 are all integral structures. The automotive steering knuckle structure is a forging-manufactured structure. In the above structure, the steering knuckle is forged using a forging die, allowing for integral forging of the steering knuckle, simplifying the manufacturing process, and resulting in high overall strength.

[0026] The upper ball joint connecting arm 2 has a thickened portion 7 on its side, which is connected to the tie arm reinforcing rib 6, and the tie arm reinforcing rib 6 is connected to the steering tie arm 1. In the above structure, the upper ball joint connecting arm is thickened to form the thickened portion 7, increasing the material thickness and improving local strength.

[0027] The aforementioned automotive steering knuckle structure is made of alloy steel. Specifically, alloy steel (40Cr) is selected as the main material for the steering knuckle, and the overall structure possesses good strength, toughness, and wear resistance, meeting the requirements for use in bumpy driving conditions on complex roads.

[0028] The aforementioned automotive steering knuckle structure features an electrophoretic corrosion-resistant layer on its surface. After forging, the steering knuckle undergoes a black electrophoretic treatment to form this corrosion-resistant layer, enhancing its corrosion resistance. Following this, the steering knuckle is machined to ensure the dimensional accuracy and surface roughness of all connecting parts and mounting holes. Thus, the entire steering knuckle structure meets the required specifications.

[0029] Each caliper bracket mounting hole 4 on each connecting part 3 is provided with a tie arm reinforcement part 5 with an outer arc-shaped structure between each side and the steering tie arm 1. The above structure, with its arc-shaped structure, effectively improves the strength between the connecting part 3 and the steering tie arm 1, enhances the steering knuckle's ability to resist road impacts, reduces the risk of steering knuckle deformation and damage under complex road conditions, and extends its service life.

[0030] The upper ball joint connecting arm 2 is provided with an upper ball joint mounting hole 9. In the above structure, the upper ball joint mounting hole 9 is used to connect the upper ball joint connecting arm 2 with other components.

[0031] The present invention has been described above with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any improvements made using the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A steering knuckle structure for automobiles, characterized in that: It includes a steering tie arm (1) and an upper ball joint connecting arm (2). The steering tie arm (1) is provided with multiple protruding connecting parts (3). Some connecting parts (3) are provided with caliper bracket mounting holes (4). Some connecting parts (3) are provided with steering tie arm holes (10). Each connecting part (3) and the steering tie arm (1) are provided with a tie arm reinforcing part (5). The steering tie arm (1) and the upper ball joint connecting arm (2) are provided with a tie arm reinforcing rib (6). The upper ball joint connecting arm (2) is provided with a thickened part (7).

2. The automotive steering knuckle structure according to claim 1, characterized in that: The steering arm (1) is provided with a bearing hole (8) in the middle.

3. The automotive steering knuckle structure according to claim 1 or 2, characterized in that: The steering tie arm (1), upper ball joint connecting arm (2), connecting part (3), tie arm reinforcing part (5), tie arm reinforcing rib (6), and thickened part (7) are an integral structure.

4. The automotive steering knuckle structure according to claim 1 or 2, characterized in that: The aforementioned automotive steering knuckle structure is a structure machined from a forging die.

5. The automotive steering knuckle structure according to claim 3, characterized in that: The upper ball joint connecting arm (2) is provided with a thickened part (7) on the side, the thickened part (7) is connected to the pull arm reinforcing rib (6), and the pull arm reinforcing rib (6) is connected to the steering pull arm (1).

6. The automotive steering knuckle structure according to claim 1 or 2, characterized in that: The aforementioned automotive steering knuckle structure is made of alloy steel.

7. The automotive steering knuckle structure according to claim 1 or 2, characterized in that: The surface of the automotive steering knuckle structure is provided with an electrophoretic corrosion-resistant layer.

8. The automotive steering knuckle structure according to claim 1 or 2, characterized in that: Each caliper bracket mounting hole (4) on each connecting part (3) is provided with a tie arm reinforcement part (5) with an outer arc structure between each side and the steering tie arm (1).

9. The automotive steering knuckle structure according to claim 1 or 2, characterized in that: The upper ball joint connecting arm (2) is provided with an upper ball joint mounting hole (9).

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