Thrust rod assembly with adjustable center distance
By using a ball-shell and pipe threaded connection and a clamp locking structure, the problem of the non-adjustable center distance of the automotive thrust rod was solved, achieving universality and structural strength across different vehicle models, reducing development costs, and ensuring driving stability and safety.
Patent Information
- Application Number
- CN202520208467.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-02-10
AI Technical Summary
The existing automotive thrust rods have a fixed center distance, which cannot be shared between different car models. They are structurally complex, pose safety hazards, and have high development costs.
The ball shell and pipe fittings are connected by threads, and the clamp structure and bolt and nut locking are combined to achieve adjustable center distance. The clamp structure increases the connection strength and reliability.
It achieves universality across different vehicle models, reduces development costs, improves structural strength and safety, and ensures driving stability and safety.
Smart Images
Figure CN223686276U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile parts, in particular to a center distance adjustable thrust rod assembly. BACKGROUND
[0002] The automobile thrust rod is an important automobile part, and its main function is to reduce the transverse displacement of the vehicle body beam.
[0003] Of course, there is also an adjustable center distance thrust rod structure at present, which comprises a ball head, a rubber bushing and a connecting rod assembly. The connecting rod assembly comprises a fixed rod, a matching groove, an annular handle, a threaded hole, a rotating shaft, a bearing and a fixed groove. Two matching grooves are symmetrically arranged on the two ball heads. Two fixed rods are installed in the matching grooves in interference fit, and the other ends of the two fixed rods are respectively provided with threaded holes and fixed grooves. The threaded holes and the fixed grooves are both provided with bearings at the opening ends. The rotating shaft is rotatably installed in the two bearings and is provided with a thread at one end in the threaded hole. The annular handle is fixedly connected with the outer wall of the rotating shaft and is in contact with the outer wall of the fixed rod. The length of the connecting rod assembly can be adjusted. The overall length can be adjusted by rotating the annular handle to drive the rotating shaft to rotate, and then adjusting the length of the rotating shaft in the threaded hole through the thread cooperation between the rotating shaft and the threaded hole. The above structure is relatively complex. The double-thread connection of the annular handle is complex in structure and can reduce the rigidity of the thrust rod. Moreover, there is no effective locking structure, which has the safety hazard of falling off. CONTENT OF THE UTILITY MODEL
[0004] The utility model solves the technical problem of providing a center distance adjustable thrust rod assembly with the following structure. The ball shell extends from one end and is threadedly connected with the connecting rod. The universal property is good, the structural strength is high, the reliability is good, the center distance adjustable thrust rod assembly can be shared among different span vehicles, and the development cost is low.
[0005] The technical scheme of the utility model is to provide a center distance adjustable thrust rod assembly with the following structure. The ball pin assembly comprises a ball shell, a ball pin, a ball seat, a dust cover and a ball seat cover plate. The connecting rod assembly comprises a connecting rod, a connecting rod steel sleeve and a rubber bushing. The rubber bushing is embedded in the connecting rod steel sleeve. One end of the connecting rod is connected with the connecting rod steel sleeve. The ball shell is provided with a screw rod at one end. The other end of the connecting rod is a pipe and the center hole is a threaded hole. The screw rod of the ball shell is threadedly connected with the threaded hole of the pipe. The outer wall of the pipe is provided with a locking mechanism.
[0006] The threaded hole side wall of the pipe is provided with at least one axial distribution notch.
[0007] The locking mechanism is a clamp structure, comprising a clamp, a bolt and a nut, the clamp is sleeved on the outer wall of the pipe, the bolt passes through the through holes at both ends of the clamp and is locked with the nut, so that the clamp tightly holds the pipe.
[0008] The length of the threaded hole of the pipe is greater than the length of the screw rod of the spherical shell.
[0009] In the locked state, the threads of the inner wall of the pipe and the outer wall of the bolt are in close contact.
[0010] The pipe and the connecting rod are integrally formed, the inner diameter of the central hole of the connecting rod is smaller than the inner diameter of the pipe, and a step is arranged at the connection of the two holes for axial positioning of the screw rod.
[0011] The position of the bolt and the nut is 180° away from the position of the notch along the circumference of the pipe.
[0012] After adopting the above structure, the push rod ball head assembly and the connecting rod assembly are connected through threads, the center distance between the ball pin and the bushing can be adjusted, the clamp is used to fasten the threaded adjustment position, the structural strength is high, the reliability is good, the clamp can be shared among different span vehicle models, the development cost is low, the ball pin is used at one end of the push rod to prevent displacement of the axle during turning and provide stable connection, ensure the stability and safety of driving, and the rubber bushing at the other end plays a buffering and vibration isolation role.
[0013] As an improvement, at least one axial notch is arranged on the side wall of the threaded hole of the pipe, which is matched with the locking mechanism to increase the radial contraction of the pipe.
[0014] As an improvement, the locking mechanism is a clamp structure, comprising a clamp, a bolt and a nut, the clamp is sleeved on the outer wall of the pipe, the bolt passes through the through holes at both ends of the clamp and is locked with the nut, so that the clamp tightly holds the pipe, which is convenient to disassemble and assemble and has good locking effect.
[0015] As an improvement, the length of the threaded hole of the pipe is greater than the length of the screw rod of the spherical shell, which increases the adjustment range.
[0016] As an improvement, in the locked state, the threads of the inner wall of the pipe and the outer wall of the bolt are in close contact, which further ensures the connection strength of the two.
[0017] As an improvement, the pipe and the connecting rod are integrally formed, the inner diameter of the central hole of the connecting rod is smaller than the inner diameter of the pipe, and a step is arranged at the connection of the two holes for axial positioning of the screw rod.
[0018] As an improvement, the position of the bolt and the nut is 180° away from the position of the notch along the circumference of the pipe, and they do not affect each other. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is the three-dimensional schematic view of the center distance adjustable thrust rod assembly of the utility model.
[0020] Figure 2 It is the sectional schematic view of the center distance adjustable thrust rod assembly of the utility model.
[0021] Figure 3 It is the schematic view of the pipe of the utility model.
[0022] Figure 4 It is the sectional schematic view of the center distance adjustable thrust rod assembly of the utility model.
[0023] Figure 5 It is the sectional schematic view of the center distance adjustable thrust rod assembly of the utility model.
[0024] As shown in the figure:
[0025] 1, ball pin assembly, 2, connecting rod assembly, 3, ball shell, 4, ball pin, 5, ball seat, 6, dust cover, 7, connecting rod steel sleeve, 8, connecting rod, 9, connecting rod steel sleeve, 10, rubber bushing, 11, screw, 12, pipe, 13, notch, 14, clamp, 15, bolt, 16, nut. DETAILED DESCRIPTION
[0026] The utility model will be further described below in combination with the drawings.
[0027] As Figures 1-5 shown, the utility model relates to a kind of center distance adjustable thrust rod assembly, including ball pin assembly 1 and connecting rod assembly 2;The ball pin assembly 1 includes ball shell 3, ball pin 4, ball seat 5, dust cover 6 and ball seat cover plate 7.Pushing rod one end uses ball pin, prevent axle displacement and provide stable connection when turning, ensure the stability and safety of driving;The other end uses rubber bushing, and it plays the role of buffering and vibration isolation.
[0028] The connecting rod assembly 2 includes connecting rod 8, connecting rod steel sleeve 9 and rubber bushing 10;The rubber bushing 10 is embedded in connecting rod steel sleeve 9, and one end of the connecting rod 8 is connected with connecting rod steel sleeve 9.
[0029] One end of the ball shell 3 is equipped with screw 11, the other end of the connecting rod 8 is pipe 12 and central hole is threaded hole, and the screw 11 of the ball shell 3 is threadedly connected with the threaded hole of the pipe 12.
[0030] The outer wall of the pipe 12 is equipped with locking mechanism.The locking mechanism is clamp structure, including clamp 14, bolt 15 and nut 16, the clamp 14 is sleeved on the outer wall of the pipe 12, the bolt 15 passes through the through hole of both ends of the clamp 14 and is locked with the nut 16, so that the clamp 14 tightly holds the pipe 12.
[0031] The length of the threaded hole of the pipe 12 is greater than the length of the screw rod 11 of the ball 3.
[0032] The threaded hole of the pipe 12 has at least one axial notch 13. After the screw rod 11 is screwed into the threaded hole of the pipe 12, the pipe 12 and the screw rod 11 are not tightly locked due to the notch 13. The clamp 14 outside the pipe 12 can tightly lock the pipe 12 and the screw rod 11, and increase the connection strength.
[0033] The clamp 14 tightly locks the threads of the inner wall of the pipe 12 and the outer wall of the bolt 15 in the locked state.
[0034] The pipe 12 and the connecting rod 8 are integrally formed, the inner diameter of the central hole of the connecting rod 8 is smaller than the inner diameter of the pipe 12, and a step is arranged at the connection between the two holes for axial positioning of the screw rod 11.
[0035] The positions of the bolt 15 and the nut 16 are 180° away from the position of the notch 13 along the circumference of the pipe 12, so that the notch and the clamping end of the clamp do not affect each other, and the screwing and unscrewing of the bolt 15 and the nut 16 are not affected.
Claims
1. A center distance adjustable thrust rod assembly, comprising a ball pin assembly (1) and a connecting rod assembly (2); the ball pin assembly (1) comprises a ball shell (3), a ball pin (4), a ball seat (5), a dust cover (6) and a ball seat cover plate (7); the connecting rod assembly (2) comprises a connecting rod (8), a connecting rod steel sleeve (9) and a rubber bushing (10); the rubber bushing (10) is embedded in the connecting rod steel sleeve (9), and one end of the connecting rod (8) is connected with the connecting rod steel sleeve (9); characterized in that: One end of the spherical shell (3) is provided with a screw rod (11), the other end of the connecting rod (8) is a pipe fitting (12) and the center hole is a threaded hole, the screw rod (11) of the spherical shell (3) is threadedly connected with the threaded hole of the pipe fitting (12), and the outer wall of the pipe fitting (12) is provided with a locking mechanism.
2. A track rod assembly according to claim 1, wherein: The side wall of the threaded hole of the pipe fitting (12) is provided with at least one axial distribution notch (13).
3. A center distance adjustable thrust rod assembly as set forth in claim 1 or 2, wherein: The locking mechanism is a clamp structure, comprising a clamp (14), a bolt (15) and a nut (16), the clamp (14) is sleeved on the outer wall of the pipe fitting (12), the bolt (15) passes through the through hole at both ends of the clamp (14) and is locked with the nut (16), so that the clamp (14) tightly holds the pipe fitting (12).
4. A center distance adjustable thrust rod assembly as set forth in claim 1, wherein: The length of the threaded hole of the pipe fitting (12) is greater than the length of the screw rod (11) of the spherical shell (3).
5. A center distance adjustable thrust rod assembly as set forth in claim 3, wherein: The clamp (14) in the locked state makes the threads on the inner wall of the pipe fitting (12) and the outer wall of the bolt (15) in close contact.
6. A center distance adjustable thrust rod assembly as defined in claim 1 wherein: The pipe fitting (12) and the connecting rod (8) are integrally formed, the inner diameter of the center hole of the connecting rod (8) is smaller than the inner diameter of the pipe fitting (12), and a step is arranged at the connection between the two holes for axial positioning of the screw rod (11).
7. A center distance adjustable thrust rod assembly as set forth in claim 3, wherein: The position of the bolt (15) and the nut (16) and the position of the notch (13) are 180° apart along the circumference of the pipe fitting (12).