Multidirectional positioning pull rod assembly

Abstract

The invention provides a multidirectional positioning pull rod assembly, and belongs to the technical field of transmission parts. The multidirectional positioning pull rod assembly solves the problem that an existing pull rod assembly cannot meet the steering positioning requirement of an intelligent driving vehicle, and comprises a ball pin with a ball head at the top, a through hole formed in the ball pin, a mounting platform located at the top end of the ball pin, a Hall sensor arranged in the mounting platform, and a connecting assembly arranged on one side of the ball pin. A ball seat is arranged in the connecting assembly, a plurality of magnet mounting holes are formed in the inner wall of the ball seat, a plurality of magnets with different lengths are arranged in the magnet mounting holes, the magnet mounting holes are arranged in a mode that the center is sparse and the periphery is dense, a hollow connecting pipe is arranged at the tail end of a ball pin, an external pipe is arranged on the connecting pipe, and a data transmission line is arranged at the tail end of a Hall sensor. And the data transmission line enters the connecting pipe from the pipe flushing part and is discharged from the external connecting pipe, and the device has the advantages of simplicity and convenience in disassembly and assembly, accuracy in positioning and simplicity and convenience in maintenance.

Description

Technical Field

[0001] The invention belongs to the technical field of transmission components and relates to a pull rod, in particular to a multi-directional positioning pull rod assembly. Background Art

[0002] The steering gear rod assembly is an important component in the automobile steering system. It is responsible for converting the driver's operation (such as turning the steering wheel) into the steering action of the car.

[0003] The various parts of the tie rod assembly are usually connected in a variety of ways to ensure the stability and reliability of the connection, such as threaded connection, pin connection, welding, adhesive connection, snap connection, etc. It is a key component in the automotive steering system. It is mainly responsible for converting the rotation of the steering gear (steering machine) into the deflection of the wheel, thereby realizing the steering function of the car. The steering machine tie rod is usually made of high-strength materials to ensure that it can withstand sufficient force and maintain sufficient stability during the steering process. With the development of the automobile industry, people's requirements for automobile functions are getting higher and higher, and the technology of vehicle automatic control has been developed, which requires the research and development of steering positioning. Summary of the invention

[0004] The purpose of the present invention is to provide a multi-directional positioning rod assembly with high sealing performance and easy disassembly and assembly in view of the above problems existing in the prior art.

[0005] The objectives of the present invention can be achieved through the following technical solutions: a multi-directional positioning rod assembly, characterized in that it includes a ball pin with a ball head on the top, a through hole is provided inside the ball pin, a mounting platform is provided at the top of the ball pin, and a Hall sensor is provided in the mounting platform, a connecting assembly is provided on one side of the ball pin, a ball seat is provided in the connecting assembly, a plurality of magnet mounting holes are provided on the inner wall of the ball seat, and a plurality of magnets of different lengths are provided in the magnet mounting hole, the magnet mounting holes are sparse in the center and densely arranged around, a hollow connecting pipe is provided at the end of the ball pin, an external connecting pipe is provided on the connecting pipe, a data transmission line is provided at the end of the Hall sensor, the data transmission line enters the connecting pipe from the pipe punch, and the data transmission line is discharged from the external connecting pipe.

[0006] In the above-mentioned multi-directional positioning pull rod assembly, the end of the ball pin and both ends of the connecting pipe are provided with connecting threads, and the connecting pipe is provided with a plurality of riveting grooves.

[0007] In the above-mentioned multi-directional positioning tie rod assembly, a limiting portion protruding inward is provided at the end of the connection assembly, and a limiting retaining ring is provided between the ball seat and the limiting portion.

[0008] In the above-mentioned multi-directional positioning pull rod assembly, a dust cover is provided on the connection assembly, a shaft neck is provided on the ball pin, a plurality of barb rings are provided on the shaft neck, a sealing ring is provided on the barb ring, and a plurality of clamping ring grooves are provided on the dust cover.

[0009] In the above-mentioned multi-directional positioning pull rod assembly, a fixed ring groove is provided on the dust cover, and a plurality of flat retaining rings are provided on the fixed ring groove.

[0010] In the above-mentioned multi-directional positioning pull rod assembly, the dust cover is provided with a plurality of inflection portions.

[0011] In the above-mentioned multi-directional positioning tie rod assembly, a connecting rod is provided at the end of the connecting tube, a connecting thread is provided on the connecting rod, and welding chamfers are provided on both the connecting rod and the connecting tube.

[0012] In the above-mentioned multi-directional positioning pull rod assembly, a shock-absorbing rubber ring is provided on the Hall sensor.

[0013] Compared with the prior art, the multi-directional positioning rod assembly sets magnets of different lengths in the ball seat. The Hall sensor can identify magnets in different positions by the difference in distance and magnetic strength. The vehicle steering can be picked up by the vehicle computer through recording and binding, which is convenient for the vehicle control during intelligent driving. By comparing the two steering wheels or comparing the vehicle computer records, it can be detected whether the rod assembly is damaged due to impact, which is convenient for maintenance personnel to maintain the vehicle and the rod assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the multi-directional positioning pull rod assembly.

[0015] Figure 2 It is a half-section structural schematic diagram of the multi-directional positioning tie rod assembly connecting assembly.

[0016] Figure 3 The utility model is a structural schematic diagram of a ball pin of a multi-directional positioning pull rod assembly.

[0017] Figure 4 It is a structural schematic diagram of the ball seat induction of the multi-directional positioning tie rod assembly.

[0018] Figure 5 It is a structural schematic diagram of the connecting pipe of the multi-directional positioning pull rod assembly.

[0019] Figure 6 It is a structural schematic diagram of the dust cover of the multi-directional positioning pull rod assembly.

[0020] Figure 7 The utility model is a structural schematic diagram of a half-section of a ball pin of a multi-directional positioning tie rod assembly.

[0021] In the figure, 1. connection assembly; 2. ball head; 3. ball pin; 4. riveting groove; 5. welding chamfer; 6. connecting rod; 7. dust cover; 8. ball seat; 9. limit ring; 10. limit part; 11. shaft neck; 12. connecting thread; 13. Hall sensor; 14. shock-absorbing rubber ring; 15. data transmission line; 16. magnet mounting hole; 17. magnet; 18. connecting pipe; 19. external pipe; 20. flat retaining ring; 21. folded part; 22. snap ring groove; 23. fixing ring groove; 24. barb ring; 25. through hole; 26. sealing ring; 27. installation platform. DETAILED DESCRIPTION

[0022] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0023] like Figure 1 , 2 As shown in Figures 3, 4, 5, 6 and 7, the multi-directional positioning rod assembly includes a ball pin 3 with a ball head 2 on the top, a through hole 25 is provided inside the ball pin 3, a mounting platform 27 is provided at the top of the ball pin 3, and a Hall sensor 13 is provided in the mounting platform 27, a connecting assembly 1 is provided on one side of the ball pin 3, a ball seat 8 is provided in the connecting assembly 1, a plurality of magnet mounting holes 16 are provided on the inner wall of the ball seat 8, and a plurality of magnets 17 of different lengths are provided in the magnet mounting holes 16, the magnet mounting holes 16 are sparsely arranged in the center and densely arranged around, a hollow connecting pipe 18 is provided at the end of the ball pin 3, an external pipe 19 is provided on the connecting pipe 18, a data transmission line 15 is provided at the end of the Hall sensor 13, the data transmission line 15 enters the connecting pipe 18 from the pipe punch, and the data transmission line 15 It is discharged from the external tube 19, and the ball pin 3 is offset when the rotation is controlled. The magnets 17 of different lengths are sensed and recorded by the Hall sensor 13, and transmitted to the vehicle computer through the signal line. When the vehicle needs to be automatically controlled, the Hall sensor 13 on the ball pin 3 is controlled by the electric control mechanism to move to the top of the specified magnet 17 to achieve steering positioning. Magnets 17 of different lengths correspond to different sensing signals. The vehicle computer arranges and records the sensing signals and binds different electrical signals to the steering angles. The steering positioning is first performed through the electric control mechanism, and then the vehicle movement is controlled to reduce the collision of the vehicle during the steering process. When the vehicle collides, the damage of the pull rod assembly can be determined by comparing the electrical signal during the steering with the steering angle, which is convenient for maintenance.

[0024] Preferably, connecting threads 12 are provided at the end of the ball pin 3 and both ends of the connecting tube 18, and a plurality of rivet grooves 4 are provided on the connecting tube 18. The connecting threads 12 connect the ball pin 3 and the connecting tube 18, and the connection and fixation are completed by the self-locking property of the threads. The connection strength is further strengthened by the riveting process to reduce the disconnection of components.

[0025] Preferably, a limit portion 10 protruding inward is provided at the end of the connection assembly 1, and a limit retaining ring 9 is provided between the ball seat 8 and the limit retaining ring 10. The ball pin 3 is installed into the ball seat 8, and the limit retaining ring 9 is compressed so that the compression retaining ring is inserted between the limit portion 10 and the ball seat 8 to complete the quick clamping and positioning.

[0026] Preferably, a dust cover 7 is provided on the connection assembly 1, a shaft neck 11 is provided on the ball pin 3, a plurality of barb rings 24 are provided on the shaft neck 11, and a sealing ring 26 is provided on the barb ring 24, a plurality of snap ring grooves 22 are provided on the dust cover 7, and the plurality of barb rings 24 are embedded in the snap ring grooves 22, so that the positioning of the dust cover 7 is more stable.

[0027] Preferably, a fixing ring groove 23 is provided on the dust cover 7, and a plurality of flat retaining springs 20 are provided on the fixing ring groove 23. After the dust cover 7 is installed, the plurality of flat retaining springs 20 clamp the other end of the dust cover 7. The plurality of flat retaining springs 20 can reduce the fixation and detachment caused by damage to a single flat retaining spring 20.

[0028] Preferably, the dust cover 7 is provided with a plurality of folded portions 21, which increase the surface area of ​​the dust cover 7, so that the ball pin 3 can adapt to the compression and extension of the folded portions 21 when rotating and moving, thereby reducing the damage of the dust cover 7 caused by bending after aging.

[0029] Preferably, a connecting rod 6 is provided at the end of the connecting tube 18, and a connecting thread 12 is provided on the connecting rod 6. A welding chamfer 5 is provided on both the connecting rod 6 and the connecting tube 18. The connecting rod 6 and the connecting tube 18 are connected and fixed by the connecting thread 12, and then locked by welding. When subjected to a large impact, the welding part breaks and detaches, thereby achieving detachment of the connection between the wheel and the vehicle body. The detached tire forms an inclined surface between the side of the vehicle and the impact object, thereby reducing the impact of a frontal collision on the vehicle.

[0030] Preferably, a shock-absorbing rubber ring 14 is provided on the Hall sensor 13 .

[0031] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0032] Although this article uses more terms such as connection assembly 1, ball head 2, ball pin 3, rivet groove 4, welding chamfer 5, connecting rod 6, dust cover 7, ball seat 8, limit ring 9, limit part 10, shaft neck 11, connecting thread 12, Hall sensor 13, shock-absorbing rubber ring 14, data transmission line 15, magnet installation hole 16, magnet 17, connecting pipe 18, external pipe 19, flat circlip 20, folded part 21, snap ring groove 22, fixed ring groove 23, barb ring 24, through hole 25, sealing ring 26, installation platform 27, etc., it does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional restrictions is contrary to the spirit of the present invention.

Claims

1. A multi-directional positioning tie rod assembly, characterized in that: The invention comprises a ball pin (3) with a ball head (2) at the top, a through hole (25) being provided inside the ball pin (3), a mounting platform (27) being provided at the top of the ball pin (3), and a Hall sensor (13) being provided inside the mounting platform (27), a connection assembly (1) being provided at one side of the ball pin (3), a ball seat (8) being provided inside the connection assembly (1), a plurality of magnet mounting holes (16) being provided on the inner wall of the ball seat (8), and a plurality of magnets (17) of different lengths being provided inside the magnet mounting holes (16), the magnet mounting holes (16) being sparsely arranged in the center and densely arranged around, a hollow connecting pipe (18) being provided at the end of the ball pin (3), an external pipe (19) being provided on the connecting pipe (18), and a data transmission line (15) being provided at the end of the Hall sensor (13), the data transmission line (15) entering the connecting pipe (18) from a pipe punch, and the data transmission line (15) being discharged from the external pipe (19).

2. A multi-directional positioning tie rod assembly according to claim 1, characterized in that: The end of the ball pin (3) and both ends of the connecting pipe (18) are provided with connecting threads (12), and the connecting pipe (18) is provided with a plurality of riveting grooves (4).

3. The multi-directional positioning tie rod assembly according to claim 1, characterized in that: The end of the connection assembly (1) is provided with a limiting portion (10) protruding inwardly, and a limiting retaining ring (9) is provided between the ball seat (8) and the limiting portion (10).

4. The multi-directional positioning tie rod assembly according to claim 1, characterized in that: The connection assembly (1) is provided with a dust cover (7), the ball pin (3) is provided with a shaft neck (11), a plurality of barb rings (24) are provided on the shaft neck (11), and a sealing ring (26) is provided on the barb ring (24), and a plurality of snap ring grooves (22) are provided on the dust cover (7).

5. The multi-directional positioning tie rod assembly according to claim 4, characterized in that: The dust cover (7) is provided with a fixed ring groove (23), and a plurality of flat retaining rings (20) are provided on the fixed ring groove (23).

6. The multi-directional positioning tie rod assembly according to claim 4, characterized in that: The dust cover (7) is provided with a plurality of folded portions (21).

7. The multi-directional positioning tie rod assembly according to claim 1, characterized in that: A connecting rod (6) is provided at the end of the connecting pipe (18), a connecting thread (12) is provided on the connecting rod (6), and welding chamfers (5) are provided on both the connecting rod (6) and the connecting pipe (18).

8. The multi-directional positioning tie rod assembly according to claim 1, characterized in that: The Hall sensor (13) is provided with a shock-absorbing rubber ring (14).

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