Split type automobile control arm ball head structure

Abstract

The invention relates to a split type automotive control arm ball head structure. The head part of a front upper suspension arm body is provided with an open pore, the inner wall of the open pore is provided with an internal thread, the outer side surface of a ball shell is provided with an external thread, the ball shell is fixed in the open pore through the matching of the internal thread and the external thread, a ball head cavity is arranged in the ball shell, and one end of a ball head is arranged in the ball head cavity. When the ball head is damaged, the ball shell can be directly detached and replaced conveniently and quickly; and the ball head is firmly connected, rotates without blockage and effectively prevents dust.

Description

Technical Field

[0001] The present invention relates to a separable vehicle control arm ball head structure. Background Art

[0002] The steering knuckle, also known as the kingpin, is used to transmit and bear the front load of the vehicle, support and drive the rotation of the front wheel kingpin to enable vehicle steering.

[0003] In the existing structure, the front upper suspension arm body is directly connected and fixed to the ball head. When the ball head is damaged and needs to be replaced, the replacement is inconvenient. Summary of the Invention

[0004] The purpose of the present invention is to solve the deficiencies in the prior art and propose a separable vehicle control arm ball head structure.

[0005] To achieve the above object, the present invention adopts the following technical solution: A separable vehicle control arm ball head structure includes a front upper suspension arm body, a ball head, and a ball housing. An opening is provided at the head of the front upper suspension arm body, and an internal thread is provided on the inner wall of the opening. An external thread is provided on the outer side surface of the ball housing. The ball housing is fixed in the opening through the cooperation of the internal thread and the external thread. A ball head cavity is provided inside the ball housing, and one end of the ball head is installed in the ball head cavity.

[0006] Further, the side wall at the opening end of the opening and the corresponding part of the ball housing are set as a conical mating surface.

[0007] Further, an internal hexagonal locking groove for inserting a connecting hexagonal sleeve is provided on the end surface of the ball housing inserted into the opening.

[0008] Further, a ball seat is provided inside the ball head cavity. The bottom of the ball seat is fixed to the ball head cavity through a bolt. One end of the ball head is installed in the opening cavity on the ball seat. The outer side of the upper end of the ball seat and the inner side of the upper end of the ball head cavity are fixed by snap rings. The other end of the ball head is connected to a ball head pin, and the ball head pin passes through the snap ring.

[0009] Further, a dust cover is sleeved on the upper outer side of the ball housing. The dust cover covers the snap ring. A first engaging groove is provided on the upper outer side of the ball housing, and a first engaging protrusion is provided on the inner side of the lower end of the dust cover. The ball head pin passes through the dust cover, and the upper end of the dust cover fits with the corresponding part of the ball head pin.

[0010] Further, a clamp is provided on the outer side of the upper end of the dust cover to tightly clamp the corresponding part of the upper end of the dust cover and the ball head pin.

[0011] Further, a dust cover guard is provided on the outer side of the dust cover.

[0012] Further, the middle section of the dust cover is a telescopic section.

[0013] Further, the inner side of the dust cover is engaged through the first engaging protrusion and the first engaging groove, and a concave is provided on the outer side of the dust cover corresponding to the first engaging protrusion, and a locking spring is arranged in the concave.

[0014] Further, the dust cover is made of rubber.

[0015] The beneficial effects of the present invention are as follows: When the ball head is damaged, the ball shell can be directly disassembled and replaced, which is convenient and fast; the connection of the ball head is firm and there is no jamming during rotation, effectively preventing dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of the invention.

[0017] Figure 2 It is a sectional view of the invention.

[0018] Figure 3 It is a schematic structural diagram of the ball head and the ball shell.

[0019] Figure 4 It is a bottom view of the ball shell. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Figures 1-4

[0021] Figures 1-4 Embodiment 1 Referring to , a separable vehicle control arm ball head structure includes a front upper suspension arm body 1, a ball head 2 and a ball shell 3. An opening 4 is provided at the head of the front upper suspension arm body, an internal thread is provided on the inner wall of the opening, an external thread is provided on the outer side surface of the ball shell, and the ball shell is fixed in the opening through the cooperation of the internal thread and the external thread. A ball head cavity 5 is provided in the ball shell, and one end of the ball head is installed into the ball head cavity.

[0022] For a separable vehicle control arm ball head structure, the side wall at the opening end of the opening and the corresponding part of the ball shell are set as a conical mating surface 6. After locking, the side wall at the opening end of the opening and the corresponding part of the ball shell are attached to the conical surface, and there will be no swing after fixation, and at the same time, the thread clearance is eliminated and it is not easy to loosen.

[0023] For a separable vehicle control arm ball head structure, an internal hexagonal locking groove 7 that can insert a connecting hexagonal socket is provided on the end surface of the ball shell inserted into the opening end, which is convenient for connection and fastening.

[0024] For a separable vehicle control arm ball head structure, a ball seat 8 is provided in the ball head cavity. The bottom of the ball seat is fixed to the ball head cavity through a bolt 9. One end of the ball head is installed into the opening cavity on the ball seat. The outer side of the upper end of the ball seat and the inner side of the upper end of the ball head cavity are fixedly engaged through a retaining ring 10. The other end of the ball head is connected to a ball head pin, and the ball head pin passes through the retaining ring.

[0025] A separable vehicle control arm ball head structure, with a dust cover 11 covering the upper end of the outer side of the ball shell. A retaining ring is covered by the dust cover. A first engaging groove 12 is provided at the upper end of the outer side of the ball shell, and a first engaging protrusion 13 is provided at the inner side of the lower end of the dust cover. The ball head pin 14 passes through the dust cover, and the upper end of the dust cover fits with the corresponding part of the ball head pin.

[0026] A separable vehicle control arm ball head structure, with a clamp 15 provided on the outer side of the upper end of the dust cover to tightly clamp the corresponding part of the upper end of the dust cover and the ball head pin.

[0027] A separable vehicle control arm ball head structure, with a dust cover protector 16 provided on the outer side of the dust cover.

[0028] A separable vehicle control arm ball head structure, with the middle section of the dust cover being a telescopic section.

[0029] A separable vehicle control arm ball head structure, where the inner side of the dust cover is engaged through the first engaging protrusion and the first engaging groove, and a circular concave is provided on the outer side of the dust cover corresponding to the first engaging protrusion, and a locking spring 17 is arranged in the concave.

[0030] A separable vehicle control arm ball head structure, with the dust cover made of rubber.

[0031] A separable vehicle control arm ball head structure, which changes the original riveted and fixed integral ball head to a separable structure, facilitating the replacement of the ball head and reducing the vehicle maintenance cost.

[0032] When replacing the ball head of the vehicle, only need to insert a hexagonal socket into the tail of the ball shell and rotate to disassemble the ball shell assembly, thus realizing the portable replacement of the ball head assembly.

[0033] The above is only the preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent replacements or changes, and should be covered within the protection scope of the present invention.

Claims

1. A detachable vehicle control arm ball head structure, comprising a front upper suspension arm body, a ball head and a ball shell, characterized in that: The head of the front upper suspension arm body is provided with an opening. An internal thread is provided on the inner wall of the opening. An external thread is provided on the outer side surface of the spherical shell. The spherical shell is fixed in the opening through the cooperation of the internal thread and the external thread. A ball head cavity is arranged inside the spherical shell. One end of the ball head is installed into the ball head cavity.

2. The split-type vehicle control arm ball head structure according to claim 1, wherein: The side wall at the opening end of the opening and the corresponding part of the spherical shell are set as conical mating surfaces.

3. The split-type vehicle control arm ball head structure according to claim 2, characterized in that: An internal hexagonal locking groove into which a connecting hexagonal sleeve can be inserted is provided on the end face of the spherical shell inserted into the opening.

4. A separable vehicle control arm ball head structure according to claim 1, characterized in that: A ball seat is arranged inside the ball head cavity. The bottom of the ball seat is fixed to the ball head cavity through a bolt. One end of the ball head is installed into the opening cavity on the ball seat. The outer side of the upper end of the ball seat and the inner side of the upper end of the ball head cavity are fixed by snap rings in a snap-fitting manner. The other end of the ball head is connected to a ball head pin, and the ball head pin passes through the snap ring.

5. The split-type vehicle control arm ball head structure according to claim 4, characterized in that: A dust cover is sleeved on the upper outer side of the spherical shell. The dust cover sleeved on the snap ring. A first snap-fitting groove is provided on the upper outer side of the spherical shell. A first snap-fitting protrusion is provided on the inner side of the lower end of the dust cover. The ball head pin passes through the dust cover, and the upper end of the dust cover fits with the corresponding part of the ball head pin.

6. The split-type vehicle control arm ball head structure according to claim 5, characterized in that: A clamp is provided on the outer side of the upper end of the dust cover to tightly clamp the corresponding part of the upper end of the dust cover and the ball head pin.

7. The split-type vehicle control arm ball head structure according to claim 6, characterized in that: A dust cover guard is provided on the outer side of the dust cover.

8. The split-type vehicle control arm ball head structure according to claim 6, characterized in that: The middle section of the dust cover is a telescopic section.

9. The split-type vehicle control arm ball head structure according to claim 5, characterized in that: The inner side of the dust cover is snap-fitted through the first snap-fitting protrusion and the first snap-fitting groove, and a circular concave is provided on the outer side of the dust cover corresponding to the first snap-fitting protrusion, and a locking spring is arranged inside the circular concave.

10. A separable vehicle control arm ball head structure according to claim 8, characterized in that: The dust cover is made of rubber.

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