Rear control arm pull rod

Abstract

The utility model relates to the technical field of automobile suspension, in particular to a rear control arm pull rod which comprises a ball head assembly, a ball head connecting rod is arranged on one side of the ball head assembly, a U-shaped fork connecting rod is arranged at one end of the ball head connecting rod, a U-shaped fork head is arranged at one end of the U-shaped fork connecting rod, and a ball head inserting assembly is arranged between the ball head assembly and the ball head connecting rod. A telescopic sliding assembly is arranged at the joint of the ball head connecting rod and the U-shaped fork connecting rod, and a quick disassembling assembly is arranged between the U-shaped fork head and the U-shaped fork connecting rod. According to the device, a worker can quickly disassemble and disassemble the ball head assembly and the U-shaped fork head conveniently, and then the worker can replace and disassemble the ball head assembly and the U-shaped fork head conveniently; according to the device, a worker can conveniently adjust the distance between the ball head connecting rod and the U-shaped fork connecting rod, then the worker can conveniently adjust the length of the device, more adaptability is provided for work of the device, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of automotive suspension, in particular to a rear control arm tie rod. Background Art

[0002] The rear control arm tie rod, also known as the rear control arm or the rear suspension control arm, is a key component in the automotive suspension system. It mainly connects the wheel and the vehicle body and transmits various forces received by the wheel to the vehicle body to ensure that the wheel can move stably along the predetermined trajectory.

[0003] There is a prior rear control arm tie rod (CN218228546U), which includes a ball joint link, a camber adjustment sleeve, and a U-shaped fork link. The two ends of the camber adjustment sleeve are respectively connected with a ball joint link and a U-shaped fork link. The other end of the ball joint link is equipped with a ball joint assembly. The ball joint link and the U-shaped fork link are both of integral structure and are made by a forging and integral forming process. The beneficial effects of the utility model are as follows: The ball joint link and the U-shaped fork link of the utility model both adopt the forging and integral forming process to replace the welding process, solving the risk of part fracture and improving the safety performance; the structure of the camber adjustment sleeve is also optimized in design, avoiding the cracking of the sleeve and increasing the friction of the sleeve, overall improving the service life of the rear control arm; the improved structure of the nut increases the anti-slip property, solving the abnormal noise caused by the loosening of the nut after vibration and tire wear, overall improving the service life of the rear control arm tie rod and reducing the occurrence of accidents.

[0004] Although the above existing device can improve the service life of the rear control arm tie rod, when the ball joint assembly of the above existing device is damaged, it is not convenient to replace the ball joint assembly, and at the same time, it is not convenient to adjust the total length of the link, and the adaptability is relatively low.

[0005] In view of this, the present utility model is specifically proposed. Content of the Utility Model

[0006] To overcome the technical defects existing in the prior art, the present utility model provides a rear control arm tie rod, which can facilitate the replacement of the ball joint assembly and facilitate the adjustment of the total length of the link.

[0007] The technical solution adopted by the present utility model is: A rear control arm tie rod includes a ball joint assembly. A ball joint link is arranged on one side of the ball joint assembly. One end of the ball joint link is provided with a U-shaped fork link. One end of the U-shaped fork link is provided with a U-shaped fork head. A ball joint insertion assembly is arranged between the ball joint assembly and the ball joint link. A telescopic sliding assembly is arranged at the junction of the ball joint link and the U-shaped fork link. A quick disassembly assembly is arranged between the U-shaped fork head and the U-shaped fork link.

[0008] Preferably, in order to provide spring elasticity for the quick-release top plate through the quick-release spring, a ball-head quick-release groove is formed at one end of the ball-head connecting rod. The ball-head plugging assembly includes a quick-release spring, the quick-release spring is fixedly installed in the ball-head quick-release groove, and a quick-release top plate is fixedly installed at one end of the quick-release spring.

[0009] Preferably, in order to limit one end of the ball-head assembly by the tight plugging between the positioning block and the positioning groove, positioning grooves are symmetrically formed in the inner wall at one end of the ball-head quick-release groove, docking holes are symmetrically formed at one end of the ball-head connecting rod, the docking holes communicate with the ball-head quick-release groove, positioning blocks are symmetrically and fixedly installed at one end of the ball-head assembly, and the positioning blocks are tightly plugged with the positioning grooves.

[0010] Preferably, in order to connect the ball-head connecting rod and the U-shaped fork connecting rod by the mutual sliding between the T-shaped sliding groove and the T-shaped sliding block, the telescopic sliding assembly includes a T-shaped sliding block, the T-shaped sliding block is symmetrically and fixedly installed on the surface of one end of the ball-head connecting rod, T-shaped sliding grooves are symmetrically formed at one end of the U-shaped fork connecting rod, and the T-shaped sliding grooves are slidably clamped with the T-shaped sliding blocks.

[0011] Preferably, in order to provide spring elasticity for the clamping tapered rod through the clamping spring, so that the clamping tapered rod limits the clamping groove, a spring groove is formed on the surface of one end of the U-shaped fork connecting rod, a clamping spring is fixedly installed in the spring groove, a clamping tapered rod is fixedly installed at one end of the clamping spring, clamping grooves are linearly and evenly formed on the surface of one end of the ball-head connecting rod, and the clamping tapered rod is slidably clamped with the clamping grooves.

[0012] Preferably, in order to fixedly limit the ball-head connecting rod and the U-shaped fork connecting rod through the fixed threaded cylinder, external threads are provided on the outer surfaces at the junction of the ball-head connecting rod and the U-shaped fork connecting rod, and a fixed threaded cylinder is sleeved on the outer surfaces at the junction of the ball-head connecting rod and the U-shaped fork connecting rod in threaded engagement.

[0013] Preferably, in order to provide spring elasticity for the fixed top plate through the fixed spring, a connecting-rod quick-release groove is formed at one end of the U-shaped fork connecting rod. The quick-disassembly assembly includes a fixed spring, the fixed spring is fixedly installed on the inner wall at one end of the connecting-rod quick-release groove, a fixed top plate is fixedly installed at one end of the fixed spring, limiting grooves are symmetrically formed on the inner wall at one end of the connecting-rod quick-release groove, and limiting holes are symmetrically formed at one end of the U-shaped fork connecting rod.

[0014] Preferably, in order to achieve the limitation between the U-shaped fork head and the U-shaped fork link through the snap connection between the limiting block and the limiting groove, limiting blocks are symmetrically and fixedly welded on the outer surface of one end of the U-shaped fork head. One end of the U-shaped fork head is inserted into the link quick-release groove, and the limiting block and the limiting groove are slidably snapped together.

[0015] The beneficial effects of the present utility model are as follows: 1. This device facilitates the staff to quickly disassemble the ball head assembly and the U-shaped fork head, and thus facilitates the staff to replace and disassemble the ball head assembly and the U-shaped fork head.

[0016] 2. This device facilitates the staff to adjust the distance between the ball head link and the U-shaped fork link, and thus facilitates the staff to adjust the length of this device, providing more adaptability for the operation of the device, with strong practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0018] Figure 2 It is a half-sectional view of the present utility model.

[0019] Figure 3 It is a schematic diagram of the position of the external thread of the present utility model.

[0020] Figure 4 It is a schematic diagram of the structure of the ball head insertion assembly of the present utility model.

[0021] Figure 5 It is a schematic diagram of the structure of the quick disassembly assembly of the present utility model.

[0022] Figure 6 It is a schematic diagram of the position structure of the limiting block of the present utility model.

[0023] Figure 7 It is a schematic diagram of the position structure of the positioning block of the present utility model.

[0024] Figure 8 is Figure 3 an enlarged view of the structure at A in

[0025] Description of reference numerals in the drawings: In the figures: 1. Ball head assembly; 2. Ball head connecting rod; 3. U-shaped fork connecting rod; 4. U-shaped fork head; 5. Ball head plugging assembly; 501. Quick-release spring; 502. Quick-release top plate; 503. Positioning groove; 504. Docking hole; 505. Positioning block; 6. Telescopic sliding assembly; 601. T-shaped sliding block; 602. Clamping spring; 603. Clamping tapered rod; 604. Clamping groove; 605. External thread; 606. Fixed threaded cylinder; 7. Quick-disassembly assembly; 701. Fixed spring; 702. Fixed top plate; 703. Limit groove; 704. Limit hole; 705. Limit block; 8. Ball head quick-release groove; 9. Connecting rod quick-release groove. Detailed implementation manners

[0026] The following is further described in conjunction with the attached Figures 1-8 This utility model is further described as follows: A rear control arm pull rod includes a ball head assembly 1. A ball head connecting rod 2 is arranged on one side of the ball head assembly 1. A U-shaped fork connecting rod 3 is arranged at one end of the ball head connecting rod 2. A U-shaped fork head 4 is arranged at one end of the U-shaped fork connecting rod 3. A ball head plugging assembly 5 is arranged between the ball head assembly 1 and the ball head connecting rod 2. A telescopic sliding assembly 6 is arranged at the junction of the ball head connecting rod 2 and the U-shaped fork connecting rod 3. A quick-disassembly assembly 7 is arranged between the U-shaped fork head 4 and the U-shaped fork connecting rod 3.

[0027] As Figure 4 and Figure 7 shown, a ball head quick-release groove 8 is opened at one end of the ball head connecting rod 2. The ball head plugging assembly 5 includes a quick-release spring 501. The quick-release spring 501 is fixedly installed in the ball head quick-release groove 8. One end of the quick-release spring 501 is fixedly installed with a quick-release top plate 502. Positioning grooves 503 are symmetrically opened on the inner wall at one end of the ball head quick-release groove 8. Docking holes 504 are symmetrically opened at one end of the ball head connecting rod 2. The docking holes 504 communicate with the ball head quick-release groove 8. Positioning blocks 505 are symmetrically and fixedly installed at one end of the ball head assembly 1. The positioning blocks 505 are tightly plugged with the positioning grooves 503. So that when the staff needs to disassemble the ball head assembly 1, at this time, the staff presses one end of the ball head assembly 1 into the ball head quick-release groove 8. At this time, the positioning blocks 505 are disengaged from the sliding clamping with the positioning grooves 503, and the quick-release spring 501 is in a compressed state. Then the staff rotates the ball head assembly 1, so that the positioning blocks 505 are aligned with the docking holes 504. At this time, the staff pulls out one end of the ball head assembly 1 from the ball head quick-release groove 8, thus completing the disassembly work of the ball head assembly 1.

[0028] As Figures 3-5As shown in the figure, the telescopic sliding assembly 6 includes a T-shaped sliding block 601, which is symmetrically and fixedly installed on one end surface of the ball head connecting rod 2. One end of the U-shaped fork connecting rod 3 is symmetrically provided with a T-shaped sliding groove, and the T-shaped sliding groove is slidably clamped with the T-shaped sliding block 601. A spring groove is provided on one end surface of the U-shaped fork connecting rod 3, and a clamping spring 602 is fixedly installed in the spring groove. One end of the clamping spring 602 is fixedly installed with a clamping tapered rod 603. The one end surface of the ball head connecting rod 2 is linearly and evenly provided with clamping grooves 604, and the clamping tapered rod 603 is slidably clamped with the clamping grooves 604. External threads 605 are provided on the outer surfaces at the joints of the ball head connecting rod 2 and the U-shaped fork connecting rod 3, and a fixed threaded cylinder 606 is threadedly engaged and sleeved on the outer surfaces at the joints of the ball head connecting rod 2 and the U-shaped fork connecting rod 3. When a staff member adjusts the length of the device, the staff member pulls the U-shaped fork connecting rod 3 towards one end, then limits it through the T-shaped sliding block 601 and the T-shaped sliding groove, and fixes the U-shaped fork connecting rod 3 and the ball head connecting rod 2 through the clamping tapered rod 603 and the clamping grooves 604. Moreover, the distance between the uniformly arranged clamping grooves 604 on the ball head connecting rod 2 is a multiple of the single-turn external thread 605. At this time, the staff member can directly rotate the fixed threaded cylinder 606 to fix the ball head connecting rod 2 and the U-shaped fork connecting rod 3.

[0029] As Figure 5 shown, a connecting rod quick-release groove 9 is provided at one end of the U-shaped fork connecting rod 3. The quick-disassembly assembly 7 includes a fixed spring 701, which is fixedly installed on the inner wall of one end of the connecting rod quick-release groove 9. One end of the fixed spring 701 is fixedly installed with a fixed top plate 702. Limiting grooves 703 are symmetrically provided on the inner wall of one end of the connecting rod quick-release groove 9, and limiting holes 704 are symmetrically provided on one end of the U-shaped fork connecting rod 3. Limiting blocks 705 are symmetrically and fixedly welded on the outer surface of one end of the U-shaped fork head 4. One end of the U-shaped fork head 4 is inserted into the connecting rod quick-release groove 9, and the limiting blocks 705 are slidably clamped with the limiting grooves 703. When a staff member needs to disassemble the U-shaped fork connecting rod 3, the staff member presses one end of the U-shaped fork head 4 into the connecting rod quick-release groove 9. At this time, the staff member rotates the U-shaped fork head 4, so that the limiting blocks 704 are docked with the limiting holes 704, and then the staff member pulls out the U-shaped fork head 4, thereby realizing the disassembly and replacement of the U-shaped fork head 4.

[0030] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present invention, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A rear control arm tie rod, comprising a ball head assembly (1), a ball head link (2) is arranged on one side of the ball head assembly (1), a U-shaped fork link (3) is arranged at one end of the ball head link (2), and a U-shaped fork head (4) is arranged at one end of the U-shaped fork link (3), characterized in that: A ball head insertion assembly (5) is provided between the ball head assembly (1) and the ball head connecting rod (2), a telescopic sliding assembly (6) is provided at the junction of the ball head connecting rod (2) and the U-shaped fork connecting rod (3), and a quick detachment assembly (7) is provided between the U-shaped fork head (4) and the U-shaped fork connecting rod (3).

2. The trailing control arm tie rod according to claim 1, characterized in that: A ball head quick detachment groove (8) is formed at one end of the ball head connecting rod (2). The ball head insertion assembly (5) includes a quick detachment spring (501) fixedly installed in the ball head quick detachment groove (8), and a quick detachment top plate (502) is fixedly installed at one end of the quick detachment spring (501).

3. The rear control arm tie rod according to claim 2, characterized in that: Positioning grooves (503) are symmetrically formed on the inner wall at one end of the ball head quick detachment groove (8), docking holes (504) are symmetrically formed at one end of the ball head connecting rod (2), the docking holes (504) communicate with the ball head quick detachment groove (8), positioning blocks (505) are symmetrically and fixedly installed at one end of the ball head assembly (1), and the positioning blocks (505) are tightly inserted into the positioning grooves (503).

4. The trailing control arm tie rod according to claim 1, characterized in that: The telescopic sliding assembly (6) includes a T-shaped sliding block (601) symmetrically and fixedly installed on the surface at one end of the ball head connecting rod (2), and T-shaped sliding grooves are symmetrically formed at one end of the U-shaped fork connecting rod (3), and the T-shaped sliding grooves are slidably clamped with the T-shaped sliding block (601).

5. The rear control arm tie rod according to claim 4, wherein: A spring groove is formed on the surface at one end of the U-shaped fork connecting rod (3), a clamping spring (602) is fixedly installed in the spring groove, a clamping tapered rod (603) is fixedly installed at one end of the clamping spring (602), clamping grooves (604) are linearly and evenly formed on the surface at one end of the ball head connecting rod (2), and the clamping tapered rod (603) is slidably clamped with the clamping grooves (604).

6. The rear control arm tie rod according to claim 1, characterized in that: External threads (605) are provided on the outer surfaces at the junction of the ball head connecting rod (2) and the U-shaped fork connecting rod (3), and a fixed threaded cylinder (606) is threadedly engaged and sleeved on the outer surfaces at the junction of the ball head connecting rod (2) and the U-shaped fork connecting rod (3).

7. The trailing control arm tie rod according to claim 1, characterized in that: A connecting rod quick detachment groove (9) is formed at one end of the U-shaped fork connecting rod (3). The quick detachment assembly (7) includes a fixed spring (701) fixedly installed on the inner wall at one end of the connecting rod quick detachment groove (9), a fixed top plate (702) is fixedly installed at one end of the fixed spring (701), limiting grooves (703) are symmetrically formed on the inner wall at one end of the connecting rod quick detachment groove (9), and limiting holes (704) are symmetrically formed at one end of the U-shaped fork connecting rod (3).

8. The trailing control arm tie rod according to claim 7, characterized in that: Limiting blocks (705) are symmetrically and fixedly welded on the outer surface at one end of the U-shaped fork head (4). One end of the U-shaped fork head (4) is inserted into the connecting rod quick detachment groove (9), and the limiting blocks (705) are slidably clamped with the limiting grooves (703).

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