Automobile lower swing arm assembly
By improving the connection structure and buffer design of the lower control arm assembly, the problems of bushing loosening and impact force transmission were solved, enabling convenient maintenance and improving safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-11
- Publication Date
- 2026-04-07
AI Technical Summary
The existing lower control arm bracket and bushing connection is loose, which affects normal use and makes it easy for the impact force to be transmitted to the passenger compartment during a collision, reducing safety.
The design incorporates a connecting seat, mounting groove, limiting block, arc-shaped slot, connecting plate, and arc-shaped clamping plate structure to facilitate bushing installation and disassembly. It also uses a buffer plate and elastic elements to cushion impact forces and reduce energy transfer.
This enables convenient bushing replacement, reduces maintenance costs, and improves vehicle safety in the event of a collision.
Smart Images

Figure CN224089980U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive parts technology, specifically to an automotive lower control arm assembly. Background Technology
[0002] The automotive suspension system is a complex and crucial component, connecting the vehicle body to the wheels and playing a role in supporting the body, improving ride comfort, and ensuring stable driving. The lower control arm assembly is a vital component of the suspension system, acting as a guide and support, and is a key part connecting the body (or subframe) to the wheel system. Its structural strength and durability directly affect the safety of the entire vehicle.
[0003] Existing lower control arm brackets require connection to bushings during use. Bushings are typically embedded in the lower control arm bracket, which can cause them to loosen over time, thus affecting the normal operation of the lower control arm bracket.
[0004] Therefore, this utility model provides an automotive lower control arm assembly to solve the above-mentioned problems. Utility Model Content
[0005] This utility model provides an automotive lower control arm assembly, which aims to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a lower control arm assembly for automobiles, comprising a bracket body, wherein a first mounting hole and a second mounting hole are provided on the top of the bracket body, a connecting seat is fixedly connected to one end of the bracket body, an mounting groove is provided inside one end of the connecting seat, the connecting seat is fixedly connected to a plurality of limiting blocks through the mounting groove, an arc-shaped slot is provided at the bottom of the limiting block, a connecting plate is provided at one end of the connecting seat, a plurality of connecting rods are fixedly connected at equal intervals to one end of the connecting plate near the connecting seat, an arc-shaped slot is fixedly connected to one end of the connecting rod, and a first bushing is fixedly connected to the inner wall of the connecting plate.
[0007] As a preferred technical solution of this application, a threaded seat is fixedly connected to the bottom of the bracket body, and a plurality of reinforcing ribs are fixedly connected at equal intervals to the outer wall of the threaded seat. The threaded seat is threadedly connected to the ball head pin, and an elastic ring is embedded in the first mounting hole. The inner wall of the elastic ring abuts against the outer wall of the ball head pin.
[0008] As a preferred technical solution of this application, the inner wall of the first mounting hole is detachably equipped with an extended skirt, the top of the extended skirt is provided with a buffer plate, the two ends of the inner wall of the first mounting hole are fixedly connected to the same fixing plate, and a plurality of elastic elements are equidistantly arranged on one side of the fixing plate, and one side of the plurality of elastic elements is connected to the arc of the same buffer plate.
[0009] As a preferred technical solution of this application, a second bushing is provided inside the second mounting hole, and a threaded hole is provided inside the bracket body.
[0010] As a preferred technical solution of this application, the top of the support body has two weight-reducing grooves, and the two weight-reducing grooves are connected.
[0011] As a preferred technical solution of this application, the arc-shaped slot and the arc edge of the connecting seat are concentrically arranged, and the shape of the arc-shaped card plate is adapted to the shape of the arc-shaped slot.
[0012] This automotive lower control arm assembly, through the inclusion of a connecting seat, mounting groove, limiting block, arc-shaped slot, connecting plate, connecting rod, and arc-shaped retaining plate, facilitates the installation and removal of the first bushing during use. It also allows for easy replacement of the first bushing after damage, eliminating the need to replace the entire control arm assembly and reducing maintenance costs. Furthermore, the control arm assembly effectively cushions the impact force generated during a collision, reducing the transmission of collision energy towards the passenger compartment and thus improving the vehicle's safety performance in the event of a collision. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of a lower control arm assembly for automobiles.
[0014] Figure 2 This is a schematic diagram of the structure of an explosion of an arc-shaped clamping plate in a lower control arm assembly of an automobile.
[0015] Figure 3 for Figure 2 Enlarged structural diagram at point A;
[0016] Figure 4 A three-dimensional structural schematic diagram of the second bushing in a lower control arm assembly of an automobile;
[0017] Figure 5 This is a three-dimensional structural diagram of a threaded seat in a lower control arm assembly of an automobile.
[0018] In the picture:
[0019] 1. Bracket body; 2. Connecting seat; 3. Mounting groove; 4. Limiting block; 5. Arc-shaped slot; 6. Connecting plate; 7. Connecting rod; 8. Arc-shaped retaining plate; 9. First bushing; 10. First mounting hole; 11. Threaded seat; 12. Reinforcing rib; 13. Extended skirt; 14. Buffer plate; 15. Fixing plate; 16. Elastic element; 17. Second mounting hole; 18. Second bushing; 19. Threaded hole; 20. Weight reduction groove; 21. Elastic ring; 22. Ball head pin. Detailed Implementation
[0020] 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.
[0021] like Figure 1-5 As shown, this utility model provides an automotive lower control arm assembly, including a bracket body 1. The top of the bracket body 1 has a first mounting hole 10 and a second mounting hole 17. One end of the bracket body 1 is fixedly connected to a connecting seat 2. One end of the connecting seat 2 has an internal mounting groove 3. The connecting seat 2 is fixedly connected to a plurality of limiting blocks 4 through the mounting groove 3. The bottom of the limiting block 4 has an arc-shaped slot 5. One end of the connecting seat 2 is provided with a connecting plate 6. A plurality of connecting rods 7 are fixedly connected at equal intervals to the end of the connecting plate 6 near the connecting seat 2. One end of the connecting rod 7 is fixedly connected to an arc-shaped slot 8. The inner wall of the connecting plate 6 is fixedly connected to a first bushing 9.
[0022] A threaded seat 11 is fixedly connected to the bottom of the bracket body 1. Multiple reinforcing ribs 12 are fixedly connected at equal intervals to the outer wall of the threaded seat 11. The threaded seat 11 is threadedly connected to the ball head pin 22. An elastic ring 21 is embedded in the first mounting hole 10. The inner wall of the elastic ring 21 abuts against the outer wall of the ball head pin 22. By setting the threaded seat 11, it is convenient to install and disassemble the ball head pin 22. The elastic ring 21 can abut against the ball head pin 22, which further improves the stability of the ball head pin 22 installation.
[0023] An extended skirt 13 is detachably installed on the inner wall of the first mounting hole 10. A buffer plate 14 is provided on the top of the extended skirt 13. The two ends of the inner wall of the first mounting hole 10 are fixedly connected to the same fixing plate 15. Several elastic elements 16 are equidistantly arranged on one side of the fixing plate 15, and one side of the multiple elastic elements 16 is connected to the arc of the same buffer plate 14. By setting the buffer plate 14, elastic elements 16 and fixing plate 15, when the car collides with the outside world, the impact force generated during the collision can be buffered by the buffer plate 14 and elastic elements 16, reducing the transmission of collision energy to the passenger compartment, thereby improving the safety performance of the car during a collision.
[0024] The second mounting hole 17 is provided with a second bushing 18, and the bracket body 1 is provided with a threaded hole 19. By providing the second bushing 18, the friction during connection can be reduced and the stability of the connection can be guaranteed.
[0025] The top of the bracket body 1 has two weight reduction grooves 20, and the two weight reduction grooves 20 are connected. By setting the weight reduction grooves 20, the overall weight of the bracket body 1 can be reduced, thereby reducing the production cost of the bracket body 1 and meeting the requirements of lightweight automotive parts.
[0026] The arc-shaped slot 5 and the arc edge of the connecting seat 2 are concentrically set. The shape of the arc-shaped card plate 8 is adapted to the shape of the arc-shaped slot 5. By setting them concentrically, the arc-shaped card plate 8 can rotate along the inner wall of the mounting groove 3 and smoothly insert into the arc-shaped slot 5 to fix the first bushing 9.
[0027] Working principle:
[0028] When the first bushing 9 needs to be installed with the connecting seat 2, insert the arc-shaped clamping plate 8 into the mounting groove 3, and then rotate the first bushing 9. Since the connecting rod 7 is connected to the arc-shaped clamping plate 8, and the bottom of the limiting block 4 has an arc-shaped groove 5, the arc-shaped clamping plate 8 will engage with the arc-shaped groove 5 during the rotation of the connecting plate 6, the connecting rod 7 and the arc-shaped clamping plate 8, thus fixing the arc-shaped clamping plate 8, the connecting rod 7 and the limiting block 4 together, thereby installing the connecting seat 2 and the first bushing 9. When disassembly is required, reverse the first bushing 9, remove the arc-shaped clamping plate 8 from the arc-shaped groove 5, and then pull the first bushing 9 upward.
[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A lower control arm assembly for automobiles, comprising a support body (1), characterized in that: The top of the bracket body (1) is provided with a first mounting hole (10) and a second mounting hole (17). One end of the bracket body (1) is fixedly connected to a connecting seat (2). One end of the connecting seat (2) is provided with a mounting groove (3). The connecting seat (2) is fixedly connected to several limiting blocks (4) through the mounting groove (3). The bottom of the limiting block (4) is provided with an arc-shaped slot (5). One end of the connecting seat (2) is provided with a connecting plate (6). Several connecting rods (7) are fixedly connected at equal intervals to one end of the connecting plate (6) near the connecting seat (2). One end of the connecting rod (7) is fixedly connected with an arc-shaped slot (8). The inner wall of the connecting plate (6) is fixedly connected with a first bushing (9).
2. The automotive lower control arm assembly according to claim 1, characterized in that: The bottom of the bracket body (1) is fixedly connected to a threaded seat (11), and a plurality of reinforcing ribs (12) are fixedly connected at equal intervals on the outer wall of the threaded seat (11). The threaded seat (11) is threadedly connected to a ball head pin (22). An elastic ring (21) is embedded in the first mounting hole (10), and the inner wall of the elastic ring (21) abuts against the outer wall of the ball head pin (22).
3. The automotive lower control arm assembly according to claim 1, characterized in that: The inner wall of the first mounting hole (10) is detachably fitted with an extended skirt (13), and a buffer plate (14) is provided on the top of the extended skirt (13). The two ends of the inner wall of the first mounting hole (10) are fixedly connected to the same fixing plate (15). A number of elastic elements (16) are equidistantly arranged on one side of the fixing plate (15), and one side of the multiple elastic elements (16) is connected to the arc of the same buffer plate (14).
4. The automotive lower control arm assembly according to claim 1, characterized in that: The second mounting hole (17) is provided with a second bushing (18), and the bracket body (1) is provided with a threaded hole (19).
5. The automotive lower control arm assembly according to claim 1, characterized in that: The top of the support body (1) has two weight-reducing grooves (20), and the two weight-reducing grooves (20) are connected.
6. The automotive lower control arm assembly according to claim 1, characterized in that: The arc-shaped slot (5) and the arc edge of the connecting seat (2) are concentrically arranged, and the shape of the arc-shaped plate (8) is adapted to the shape of the arc-shaped slot (5).