CN213261852U

CN213261852U - Adjustable control arm assembly of back upper portion

Info

Publication number: CN213261852U
Application number: CN202022262173.4U
Authority: CN
Inventors: 柯友进
Original assignee: Ji An Douher Industrial Manufacturing Co ltd
Current assignee: Ji An Douher Industrial Manufacturing Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-05-25
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses an adjustable control arm assembly in back upper portion relates to the field of automobile parts, including welding assembly and bush arm body, the welding assembly is including welding long tube and welding outer tube, and the other end of welding long tube is provided with connecting portion, has seted up the internal thread in the connecting portion, has seted up the fluting on the pipe wall of connecting portion, connecting portion and bush arm body threaded connection, and the connecting portion outside cup joints and is fixed with control arm aluminium clamp, and the bush assembly is equipped with to the outer tube of welding internal pressure, and the bush assembly is equipped with to the other end pressure of bush arm body. After the connecting part and the bushing arm body are fixed by the screw thread, the inner hexagon screw is screwed down to enable the control arm aluminum clamp to clamp the connecting part, and the groove is slightly deformed, so that the connecting part and the bushing arm body are locked, the fixing is tight and not easy to slide, the locking position is convenient to observe, and the fixed length is adjustable; the welding long tube selects the circular hollow rod as the main structure basis, can effectual reduction production material's quantity, but greatly reduced manufacturing cost.

Description

Adjustable control arm assembly of back upper portion

Technical Field

The utility model relates to an automobile parts's field, concretely relates to adjustable control arm assembly in back upper portion.

Background

The control arm is used as a guide and force transmission element of an automobile suspension system, various forces acting on a wheel are transmitted to an automobile body, the wheel is ensured to move according to a certain track, the wheel and the automobile body are respectively and elastically connected together through a spherical hinge or a bush, and the control arm (comprising a bush and a ball head connected with the control arm) has enough rigidity and strength and has enough service life. In the prior art, a single-layer flat plate is adopted, and steel sleeves for pressing and mounting bushings are welded at two ends of the flat plate to form a rear upper arm welding assembly. This approach has the following drawbacks: only a single-layer flat plate with the thickness of 7mm is adopted, so that the integral bending rigidity of the rear upper arm welding assembly is lower; two steel sleeves need to be purchased for each assembly product, so that the production cost is high; the weight of the single-piece rear upper arm welding assembly reaches 0.907kg, and the weight is heavier, so that the whole structure of the automobile is not light.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of prior art existence, and provide an adjustable control arm assembly in back upper portion, have reduction in production cost, increase bending stiffness, structure lightweight's advantage.

The purpose of the utility model is accomplished through following technical scheme:

the utility model provides an adjustable control arm assembly in back upper portion, includes welding assembly and bush arm body, the welding assembly is including welding long tube and welding outer tube, welding long tube and welding outer tube welded fastening, the welding long tube is circular hollow curved rod, and the one end that the welding outer tube was kept away from to the welding long tube is provided with connecting portion, the pipe diameter of connecting portion is less than the pipe diameter of welding long tube, connecting portion and welding long tube integrated into one piece, the internal thread has been seted up to connecting portion inner tube wall, has seted up the fluting on the pipe wall of connecting portion, connecting portion and bush arm body threaded connection, the connecting portion outside cup joints and is fixed with control arm aluminium and presss from both sides, the bush assembly is equipped with to welding outer tube internal pressure, the bush arm body.

Furthermore, one end of the bushing arm body is provided with an external thread, the other end of the bushing arm body is provided with a bushing cavity, and the external thread end of the bushing arm body is in threaded connection with the connecting portion.

Further, the bush assembly comprises a framework and inner pipes, mounting grooves are formed in two ends of the framework respectively, and the inner pipes are pressed in the mounting grooves.

Furthermore, the rubber sleeve is nested outside the framework and is respectively bonded and fixed with the framework and the inner pipe.

Furthermore, two rings of annular grooves are arranged at the upper part of the inner pipe, and an O-shaped rubber ring is nested between the annular grooves and the framework.

Furthermore, the upper part of the control arm aluminum clamp is fixed through two inner hexagon screws.

Furthermore, the installation direction of the slot is the same as that of the control arm aluminum clip.

Compared with the prior art, the beneficial effects of the utility model are that: after the connecting part and the bushing arm body are fixed by the screw thread, the inner hexagon screw is screwed down to enable the control arm aluminum clamp to clamp the connecting part, and the groove is slightly deformed, so that the connecting part and the bushing arm body are locked, the fixing is tight and not easy to slide, the locking position is convenient to observe, and the fixed length is adjustable; the welding long pipe adopts the round hollow rod as the main structural foundation, so that the consumption of production materials can be effectively reduced, the production process is simple, and the production cost can be greatly reduced; the novel structural form of a welding assembly is changed, a steel sleeve with higher cost is eliminated, and the welding assembly is changed into a press-fitting lining assembly; in addition, the welding assembly is integrally formed, so that the development cost of a die, a clamp and a checking fixture is reduced, the manufacturing procedures are reduced, the labor cost is saved due to the reduction of the procedures, and the economic performance is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the welding assembly of the present invention;

FIG. 3 is a schematic view of the connection portion and the aluminum clip of the control arm of the present invention;

FIG. 4 is a schematic view of the structure of the bushing arm body of the present invention;

FIG. 5 is a schematic view of a bushing assembly according to the present invention;

FIG. 6 is a schematic view of the inner tube structure of the present invention;

in the drawings, 1. a welding assembly; 11. welding a long pipe; 12. a connecting portion; 121. grooving; 13. welding a bracket; 2. a bushing arm body; 21. a liner cavity; 3. a bushing assembly; 31. a framework; 32. an inner tube; 321. an annular groove; an O-shaped rubber ring; 34. a rubber sleeve; 4. controlling the arm aluminum clip; 5. and a socket head cap screw.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-6, a rear upper portion adjustable control arm assembly includes a welding assembly 1 and a bushing arm body 2, the welding assembly 1 includes a welded long pipe 11 and a welded outer pipe 13, the welded long pipe 11 and the welded outer pipe 13 are welded and fixed, the welded long pipe 11 is a circular hollow bending rod, a bending angle of the welded long pipe 11 is 15 °, one end of the welded long pipe 11 away from the welded outer pipe 13 is provided with a connecting portion 12, a pipe diameter of the connecting portion 12 is smaller than that of the welded long pipe 11, the connecting portion 12 is integrally formed with the welded long pipe 11, an inner thread is formed on an inner wall of the connecting portion 12, a slot 121 is formed on a pipe wall of the connecting portion 12, the connecting portion 12 is in threaded connection with the bushing arm body 2, a control arm aluminum clamp 4 is fixedly sleeved on the outside of the connecting portion 12, an upper portion of the control arm aluminum clamp 4 is fixed by two inner hexagonal screws 5, and one end of the bushing arm body 2, which is far away from the connecting part 12, is provided with the bushing assembly 3 in a pressing way.

Further, one end of the lining arm body 2 is provided with an external thread, the other end of the lining arm body is provided with a lining cavity 21, and the external thread end of the lining arm body 2 is in threaded connection with the connecting portion 12.

Further, bush assembly 3 includes skeleton 31 and inner tube 32, skeleton 31 both ends are equipped with the mounting groove respectively, two inner tube 32 pressure equipment is in the mounting groove, skeleton 31 outside nested has rubber sleeve 34, rubber sleeve 34 bonds fixedly with skeleton 31 and inner tube 32 respectively, the upper portion of inner tube 32 is equipped with two rings of ring channel 321, nested O type rubber circle 33 between ring channel 321 and the skeleton 31.

Further, the installation direction of the slot 121 is the same as the installation direction of the control arm aluminum clip 4. Connecting

portion

12 and 2 thread tightening backs of bush arm body, screw up socket head cap screw 5 and make control arm aluminium press from both sides 4 tight connecting portion 12, and fluting 121 department takes place micro-deformation this moment for connecting portion 12 dies with the external screw thread end lock of bush arm body 2, and fixed closely is difficult for sliding, and the lock die the clear observation of being convenient for in position, and the fixed length is adjustable.

The welded long pipe 11 adopts a round hollow rod as a main structural foundation, so that the consumption of production materials can be effectively reduced, the production process is simple, and the production cost can be greatly reduced; the structural form of the welding assembly 1 is changed, a steel sleeve with higher cost is eliminated, and the bushing assembly 3 is pressed; in addition, the welding assembly 1 is integrally formed, so that the development cost of a die, a clamp and a checking fixture is reduced, the manufacturing procedures are reduced, the labor cost is saved due to the reduction of the procedures, and the economic performance is improved.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a back upper portion adjustable control arm assembly which characterized in that: the welding assembly (1) comprises a welding long pipe (11) and a welding outer pipe (13), the welding long pipe (11) and the welding outer pipe (13) are fixedly welded, the welding long pipe (11) is a round hollow bent rod, one end, away from the welding outer pipe (13), of the welding long pipe (11) is provided with a connecting portion (12), the pipe diameter of the connecting portion (12) is smaller than that of the welding long pipe (11), the connecting portion (12) and the welding long pipe (11) are integrally formed, an inner thread is formed in the inner wall of the connecting portion (12), a groove (121) is formed in the pipe wall of the connecting portion (12), the connecting portion (12) is in threaded connection with the lining arm body (2), a control arm aluminum clamp (4) is fixedly sleeved outside the connecting portion (12), and a lining assembly (3) is installed in the welding outer pipe (13) in a pressing mode, and a bushing assembly (3) is arranged at one end, far away from the connecting part (12), of the bushing arm body (2) in a pressing mode.

2. A rear upper adjustable control arm assembly as claimed in claim 1, wherein: one end of the bushing arm body (2) is provided with an external thread, the other end of the bushing arm body is provided with a bushing cavity (21), and the external thread end of the bushing arm body (2) is in threaded connection with the connecting portion (12).

3. A rear upper adjustable control arm assembly as claimed in claim 1, wherein: the bushing assembly (3) comprises a framework (31) and inner pipes (32), mounting grooves are formed in two ends of the framework (31) respectively, and the inner pipes (32) are pressed in the mounting grooves.

4. A rear upper adjustable control arm assembly as claimed in claim 3, wherein: the rubber sleeve (34) is nested outside the framework (31), and the rubber sleeve (34) is fixedly bonded with the framework (31) and the inner pipe (32) respectively.

5. A rear upper adjustable control arm assembly as claimed in claim 4, wherein: two rings of annular grooves (321) are formed in the upper portion of the inner pipe (32), and an O-shaped rubber ring (33) is nested between the annular grooves (321) and the framework (31).

6. A rear upper adjustable control arm assembly as claimed in claim 1, wherein: the upper part of the control arm aluminum clamp (4) is fixed through two inner hexagon screws (5).

7. A rear upper adjustable control arm assembly as claimed in claim 3, wherein: the installation direction of the slot (121) is the same as that of the control arm aluminum clip (4).