Wear-resistant automotive control arm

Abstract

This utility model relates to the field of automotive control arm technology and discloses a wear-resistant automotive control arm, including a MacPherson strut control arm assembly for supporting and controlling brake discs. The MacPherson strut control arm assembly has a lower protective component and an upper protective component at its upper and lower ends for protection. The MacPherson strut control arm assembly includes a triangular control arm body. Support blocks are fixedly connected to both sides of one end of the triangular control arm body, and a rotating shaft is fixedly connected between the two support blocks. A connecting rod is fixedly connected to the end of the triangular control arm body away from the rotating shaft. By setting the lower and upper protective components, the MacPherson strut control arm assembly forms an effective protective barrier at both ends of the control arm. The lower and upper protective components can effectively isolate the control arm from direct impacts from flying stones, dust, and other debris, thereby reducing surface scratches and damage and slowing down the oxidation and corrosion process.

Description

Technical Field

[0001] This utility model relates to the field of automotive control arm technology, and in particular to a wear-resistant automotive control arm. Background Technology

[0002] The control arm, also known as the suspension arm or control arm, is a crucial component connecting the car body and the wheel suspension system. Its main function is to transfer the weight of the vehicle body to the wheels while allowing the wheels to move vertically within a certain range to adapt to uneven road surfaces. Control arms are typically made of metal (such as steel or aluminum alloy) and can be straight or curved. Depending on the suspension design, they are usually divided into upper and lower control arms. The working principle of the control arm is to achieve vertical or longitudinal positioning of the wheel through its connection with the wheel axle, thereby maintaining the correct geometric relationship between the wheel and the vehicle body, ensuring the vehicle's handling performance and comfort. Modern car suspension systems often use independent suspension designs, with each wheel having its own independent control arm, making the vehicle more stable when cornering, accelerating, and braking, and reducing the impact of uneven wheel-to-ground contact.

[0003] In existing technologies, traditional automotive control arms are typically directly exposed to the external environment, lacking effective protection. Because the control arm is part of the suspension system, during long-term driving, especially on uneven roads, the wheels constantly contact the road surface. This makes it easy for flying stones and other debris to cause wear and scratches on the control arm surface. Over time, these scratches gradually expand, leading to damage such as scratches and dents on the control arm surface. This damage not only affects the appearance of the control arm but also accelerates the peeling of the surface coating, exposing the metal material. The exposed metal parts are easily affected by moisture, salt, and other factors in the air, beginning to oxidize and corrode, further weakening the structural strength of the control arm. As oxidation intensifies, the metal surface of the control arm gradually becomes brittle, and may even develop serious problems such as cracks or fractures. This not only affects the vehicle's handling performance and comfort but, in severe cases, may even lead to suspension system failure, increasing driving safety hazards. Therefore, those skilled in the art provide wear-resistant automotive control arms to solve the problems mentioned in the background art. Utility Model Content

[0004] This utility model addresses the shortcomings of existing technologies by providing a wear-resistant automotive control arm, the specific technical solution of which is as follows:

[0005] A wear-resistant automotive control arm includes: a MacPherson strut control arm assembly for supporting and controlling a brake disc; the MacPherson strut control arm assembly has a lower protective assembly and an upper protective assembly at its upper and lower ends for protecting the MacPherson strut control arm assembly; the MacPherson strut control arm assembly includes a triangular control arm body; support blocks are fixedly connected to both sides of one end of the triangular control arm body; a rotating shaft is fixedly connected between the two support blocks; a connecting rod is fixedly connected to the end of the triangular control arm body away from the rotating shaft; and a ball joint is fixedly connected to the end of the connecting rod away from the triangular control arm body.

[0006] As an improvement to the above technical solution, the lower protection component includes a lower inner protective shell, which covers the lower outer side of the triangular control arm body. A lower outer protective shell is wrapped around the lower outer side of the lower inner protective shell. Lower outer connecting pieces are fixedly connected to the two sides of the lower outer protective shell that are far apart from each other. A wire mesh is sandwiched between the lower inner protective shell and the lower outer protective shell.

[0007] As an improvement to the above technical solution, a first lower mating groove is provided at the upper center of the two lower outer connecting pieces. A lower connecting piece is fixedly connected to the side of the lower outer protective shell near the connecting rod. A first lower mating strip is fixedly connected to the upper center of the lower connecting piece. A lower annular connecting piece is fixedly connected to the inner center near the edge of the lower outer protective shell. A second lower mating strip is fixedly connected to the upper end of the lower annular connecting piece.

[0008] As an improvement to the above technical solution, the upper protection component includes an upper inner protective shell, which covers the upper part of the outer side of the triangular control arm body. An upper outer protective shell is wrapped around the lower part of the outer side of the upper inner protective shell. Upper outer connecting pieces are fixedly connected to the two sides of the upper outer protective shell that are far apart from each other. A wire mesh is sandwiched between the upper inner protective shell and the upper outer protective shell.

[0009] As an improvement to the above technical solution, a first upper mating strip is fixedly connected to the lower center of each of the two upper outer connecting pieces, an upper side connecting piece is fixedly connected to the side of the upper outer protective shell near the connecting rod, a first upper mating groove is opened at the lower center of the upper side connecting piece, an upper annular connecting piece is fixedly connected to the edge of the inner center of the upper outer protective shell, and a second upper mating groove is opened at the lower center of the inner center of the upper annular connecting piece.

[0010] As an improvement to the above technical solution, the two first upper connecting strips are respectively bonded to the inside of the two first lower connecting grooves with waterproof adhesive, the two first lower connecting strips are respectively bonded to the inside of the two first upper connecting grooves with waterproof adhesive, and the second lower connecting strip is bonded to the inside of the second upper connecting groove with waterproof adhesive.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] The design of this device effectively solves the problem of wear and oxidation caused by long-term exposure to the environment in traditional automotive control arms. The MacPherson control arm assembly forms an effective protective barrier at both ends of the control arm by setting up lower and upper protective components. The lower and upper protective components can effectively isolate the control arm from direct impacts from flying stones, dust and other debris, thereby reducing surface scratches and damage and slowing down the oxidation and corrosion process. Attached Figure Description

[0013] Figure 1 A three-dimensional structural diagram of a wear-resistant automotive control arm;

[0014] Figure 2 A three-dimensional disassembled structural diagram of a wear-resistant automotive control arm;

[0015] Figure 3 A schematic diagram of the three-dimensional disassembled structure of the lower protection component;

[0016] Figure 4 This is a schematic diagram of the three-dimensional disassembled structure of the upper protective component.

[0017] Legend

[0018] 1. MacPherson control arm assembly; 101. Triangular control arm body; 102. Support block; 103. Rotating shaft; 104. Connecting rod; 105. Ball joint; 2. Lower protection assembly; 201. Lower inner protective shell; 202. Lower outer protective shell; 203. Lower outer connecting piece; 204. First lower docking groove; 205. Lower side connecting piece; 206. First lower docking strip; 207. Lower annular connecting piece; 208. Second lower docking strip; 3. Upper protection assembly; 301. Upper inner protective shell; 302. Upper outer protective shell; 303. Upper outer connecting piece; 304. First upper docking strip; 305. Upper side connecting piece; 306. First upper docking groove; 307. Upper annular connecting piece; 308. Second upper docking groove. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0020] Example

[0021] For wear-resistant automotive control arms, please refer to [reference needed]. Figures 1-2As shown, the device includes a MacPherson strut control arm assembly 1 for supporting and controlling the brake disc. The MacPherson strut control arm assembly 1 has a lower protective assembly 2 and an upper protective assembly 3 at its upper and lower ends for protection. The MacPherson strut control arm assembly 1 includes a triangular control arm body 101. Support blocks 102 are fixedly connected to both sides of one end of the triangular control arm body 101. A rotating shaft 103 is fixedly connected between the two support blocks 102. A connecting rod 104 is fixedly connected to the end of the triangular control arm body 101 away from the rotating shaft 103. A ball joint 105 is fixedly connected to the end of the connecting rod 104 away from the triangular control arm body 101. This device effectively solves the wear and oxidation problems caused by long-term exposure to the environment in traditional automotive control arms. By setting the lower protective assembly 2 and the upper protective assembly 3, the MacPherson strut control arm assembly 1 forms a protective structure at both ends of the control arm. An effective protective barrier, the lower protective component 2 and the upper protective component 3, can effectively isolate the control arm from direct impacts by flying stones, dust and other debris, thereby reducing surface scratches and damage and slowing down the oxidation and corrosion process. The triangular control arm body 101 and the support block 102 are connected by a pivot 103. The pivot 103 allows the control arm to rotate appropriately according to the needs of the suspension system during driving. This structure effectively improves the flexibility of the suspension system and the handling performance of the vehicle, while ensuring the stability and strength of the control arm. The connecting rod 104 is fixed to the triangular control arm body 101 and connected to other components of the wheel system through the ball joint 105, which enables relative movement between the wheel and the vehicle body. The design of the ball joint 105 allows the vehicle to cope more smoothly with various road conditions when the suspension system is working, improving driving comfort and stability.

[0022] like Figure 3As shown, the lower protection assembly 2 includes a lower inner protective shell 201, which covers the lower outer side of the triangular control arm body 101. A lower outer protective shell 202 is wrapped around the lower outer side of the lower inner protective shell 201. Lower outer connecting pieces 203 are fixedly connected to both sides of the lower outer protective shell 202. A wire mesh is sandwiched between the lower inner protective shell 201 and the lower outer protective shell 202. A first lower connecting groove 204 is provided at the upper center of each of the two lower outer connecting pieces 203. A lower connecting piece 205 is fixedly connected to the side of the lower outer protective shell 202 near the connecting rod 104. A first lower connecting strip 206 is fixedly connected to the upper center of the lower connecting piece 205. A lower annular connecting piece 207 is fixedly connected to the inner center near the edge of the lower outer protective shell 202. A second lower connecting strip 208 is fixedly connected to the upper end of the lower annular connecting piece 207. The lower protection assembly 2 is connected via the lower inner protective shell 201 and... The lower outer protective shell 202 constitutes a double-layer protection system. The lower inner protective shell 201 covers the lower part of the outer side of the triangular control arm body 101, mainly used to isolate the direct impact of the external environment on the control arm body, prevent dust, sand and moisture from entering, and reduce wear on the control arm. The lower outer protective shell 202 wraps around the lower inner protective shell 201, providing additional physical protection, enhancing the overall impact resistance, and effectively mitigating the transmission of external collisions or impact forces. The lower outer connecting piece 203 plays a role in strengthening and fixing, enhancing the stability of the protective shell in extreme environments, and making it less likely to loosen or fall off. The clamping design of the wire mesh increases the tensile strength and deformation resistance of the structure, enabling the lower protective component 2 to remain intact under high load conditions. The overall multi-layer protection structure provides all-round protection for the control arm, thereby extending the service life of the triangular control arm body 101 and the lower protective component 2.

[0023] like Figure 4As shown, the upper protective assembly 3 includes an upper inner protective shell 301, which covers the upper outer side of the triangular control arm body 101. An upper outer protective shell 302 is wrapped around the lower outer side of the upper inner protective shell 301. Upper outer connecting pieces 303 are fixedly connected to both sides of the upper outer protective shell 302. A wire mesh is sandwiched between the upper inner protective shell 301 and the upper outer protective shell 302. A first upper mating strip 304 is fixedly connected to the lower center of each of the two upper outer connecting pieces 303. An upper side connecting piece 305 is fixedly connected to the side of the upper outer protective shell 302 near the connecting rod 104. A first upper mating groove 306 is formed at the lower center of the upper side connecting piece 305. An upper annular connecting piece 307 is fixedly connected to the edge of the inner center of the upper outer protective shell 302. A second upper mating groove 308 is formed at the lower center of the upper annular connecting piece 307. Similar to the lower protective component 2, component 3 has a double-layer protective structure consisting of an upper inner protective shell 301 and an upper outer protective shell 302. The upper inner protective shell 301 covers the upper part of the triangular control arm body 101, providing protection for the upper part of the control arm. The upper outer protective shell 302 wraps around the outer side of the upper inner protective shell 301, enhancing the external physical protection capability and preventing impact and damage to the surface of the control arm caused by external objects. The upper outer connecting piece 303 enhances the connection between the protective shell and the triangular control arm, maintaining the stability of the upper protective component 3 and preventing it from falling off or loosening due to external forces. The clamping effect of the wire mesh also improves the impact resistance and pressure resistance of the protective component, thereby enhancing the protective effect of the upper protective component 3. In addition, the wire mesh can effectively disperse external impact forces, reduce the pressure on the control arm body, and further protect the integrity of the triangular control arm.

[0024] like Figures 2-4As shown, two first upper connecting strips 304 are respectively bonded to the inside of two first lower connecting grooves 204 with waterproof adhesive, two first lower connecting strips 206 are respectively bonded to the inside of two first upper connecting grooves 306 with waterproof adhesive, and a second lower connecting strip 208 is bonded to the inside of a second upper connecting groove 308 with waterproof adhesive. The first upper connecting strips 304 and the first lower connecting strips 206 are respectively bonded to the inside of the first upper connecting grooves 306 and the first lower connecting grooves 204 with waterproof adhesive. This design ensures a firm connection and good sealing between the upper protective component 3 and the lower protective component 2, preventing moisture, dust, or other corrosive substances from entering. The intrusion of substances ensures the isolation of the internal and external environments of the protective components. At the same time, the second lower connecting strip 208 is bonded to the inside of the second upper connecting groove 308 with waterproof adhesive, further enhancing the sealing performance. This ensures that the protective components will not experience a decline in protective effect due to poor sealing during long-term use. The application of this waterproof adhesive effectively extends the service life of the protective components, especially in humid or rainy environments, preventing corrosion damage to the protective shell. The entire sealing structure not only enhances the protective effect but also improves the corrosion resistance of the structure, ensuring the long-term reliability of the triangular control arm body 101 and its auxiliary components.

[0025] Working principle: The triangular control arm body 101 and the support block 102 are connected by a rotating shaft 103. The rotating shaft 103 allows the control arm to rotate appropriately according to the needs of the suspension system during driving. This structure effectively improves the flexibility of the suspension system and the handling performance of the vehicle, while ensuring the stability and strength of the control arm. The connecting rod 104 is fixed to the triangular control arm body 101 and connected to other components of the wheel system through the ball joint 105, enabling relative movement between the wheel and the vehicle body. The design of the ball joint 105 allows the vehicle to cope more smoothly with various road conditions when the suspension system is working, improving driving comfort and stability. The lower protection component 2 forms a double layer through the lower inner protective shell 201 and the lower outer protective shell 202. The protection system consists of an inner lower protective shell 201 that covers the lower outer side of the triangular control arm body 101. This shell primarily isolates the control arm from direct environmental impact, preventing dust, sand, and moisture from entering and reducing wear. An outer lower protective shell 202 surrounds the inner lower protective shell 201, providing additional physical protection and enhancing overall impact resistance. It effectively mitigates the transmission of external collisions or impact forces. An outer lower connecting piece 203 strengthens the fixation, enhancing the stability of the protective shell in extreme environments and preventing loosening or detachment. The wire mesh clamping design increases the structure's tensile strength and deformation resistance, ensuring the lower protective component 2 remains intact under high load conditions. This multi-layered protection structure provides enhanced protection for the control arm. This provides comprehensive protection, thereby extending the service life of the triangular control arm body 101 and the lower protection component 2. The upper protection component 3, similar to the lower protection component 2, has a double-layer protective structure consisting of an upper inner protective shell 301 and an upper outer protective shell 302. The upper inner protective shell 301 covers the upper outer part of the triangular control arm body 101, providing protection for the upper part of the control arm. The upper outer protective shell 302 wraps around the outer side of the upper inner protective shell 301, enhancing external physical protection and preventing impact and damage to the control arm surface from external objects. The upper outer connecting piece 303 strengthens the connection between the protective shell and the triangular control arm, maintaining the stability of the upper protection component 3 and preventing it from easily falling off or loosening due to external forces. The clamping effect of the wire mesh also improves protection. The impact and pressure resistance of the components enhance the protective effect of the upper protective component 3. Furthermore, the wire mesh effectively disperses external impact forces, reducing the pressure on the control arm body and further protecting the integrity of the triangular control arm. The first upper connecting strip 304 and the first lower connecting strip 206 are respectively bonded to the inside of the first upper connecting groove 306 and the first lower connecting groove 204 with waterproof adhesive. This design ensures a firm connection and good sealing between the upper protective component 3 and the lower protective component 2, preventing the intrusion of moisture, dust, or other corrosive substances, and guaranteeing the isolation of the internal and external environments of the protective components. Simultaneously, the second lower connecting strip 208 is bonded to the inside of the second upper connecting groove 308 with waterproof adhesive, further enhancing the sealing performance.This waterproof adhesive ensures that the protective components will not experience a decline in protective effectiveness due to poor sealing during prolonged use. It effectively extends the service life of the protective components, especially in humid or rainy environments, preventing corrosion damage to the protective shell. The entire sealing structure not only enhances the protective effect but also improves the structure's corrosion resistance, ensuring the long-term reliability of the triangular control arm body 101 and its auxiliary components.

[0026] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A wear resistant control arm for an automobile, characterized by include: A MacPherson control arm assembly (1) for supporting and controlling the brake disc is provided at its upper and lower ends with a lower protective assembly (2) and an upper protective assembly (3) for protecting the MacPherson control arm assembly (1). The MacPherson control arm assembly (1) includes a triangular control arm body (101). Support blocks (102) are fixedly connected to both sides of one end of the triangular control arm body (101). A rotating shaft (103) is fixedly connected between the two support blocks (102). A connecting rod (104) is fixedly connected to the end of the triangular control arm body (101) away from the rotating shaft (103). A ball head (105) is fixedly connected to the end of the connecting rod (104) away from the triangular control arm body (101).

2. The wear-resistant control arm of claim 1, wherein: The lower protection component (2) includes a lower inner protective shell (201), which covers the lower outer side of the triangular control arm body (101). The lower outer side of the lower inner protective shell (201) is wrapped with a lower outer protective shell (202). Lower outer connecting pieces (203) are fixedly connected to the two sides of the lower outer protective shell (202) that are far apart from each other. A wire mesh is sandwiched between the lower inner protective shell (201) and the lower outer protective shell (202).

3. The wear-resistant control arm of claim 2, wherein: The two lower outer connecting pieces (203) are provided with a first lower mating groove (204) at the upper center of the interior. The lower outer protective shell (202) is fixedly connected to a lower side connecting piece (205) near the connecting rod (104). The lower side connecting piece (205) is fixedly connected to a first lower mating strip (206) at the upper center of the lower side connecting piece (205). The lower outer protective shell (202) is fixedly connected to a lower annular connecting piece (207) at the inner center near the edge. The lower annular connecting piece (207) is fixedly connected to a second lower mating strip (208) at the upper end of the lower annular connecting piece (207).

4. The wear-resistant control arm of claim 3, wherein: The upper protective component (3) includes an upper inner protective shell (301), which covers the upper outer side of the triangular control arm body (101). An upper outer protective shell (302) is wrapped around the lower outer side of the upper inner protective shell (301). Upper outer connecting pieces (303) are fixedly connected to the two sides of the upper outer protective shell (302) that are far apart from each other. A wire mesh is sandwiched between the upper inner protective shell (301) and the upper outer protective shell (302).

5. The wear-resistant control arm of claim 4, wherein: A first upper connecting strip (304) is fixedly connected to the lower center of each of the two upper outer connecting pieces (303). An upper connecting piece (305) is fixedly connected to the side of the upper outer protective shell (302) near the connecting rod (104). A first upper connecting groove (306) is provided at the lower center of the upper connecting piece (305). An upper annular connecting piece (307) is fixedly connected to the edge of the center of the upper outer protective shell (302). A second upper connecting groove (308) is provided at the lower center of the upper annular connecting piece (307).

6. The wear-resistant control arm of claim 5, wherein: The two first upper connecting strips (304) are respectively bonded to the inside of the two first lower connecting grooves (204) with waterproof adhesive, the two first lower connecting strips (206) are respectively bonded to the inside of the two first upper connecting grooves (306) with waterproof adhesive, and the second lower connecting strip (208) is bonded to the inside of the second upper connecting groove (308) with waterproof adhesive.

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