CN218892401U - Suspension control arm, mounting structure and vehicle - Google Patents

Abstract

The utility model relates to a suspension control arm, a mounting structure and a vehicle. The suspension control arm comprises an integrally formed control arm body, the cross section of the control arm body along the width direction is of a U-shaped structure, mounting holes for mounting bushings are formed in the two ends of the control arm body along the length direction, and the mounting holes are formed in the two side walls of the two ends of the control arm body. The utility model also provides a mounting structure of the suspension control arm, which comprises the suspension control arm and the bushing, wherein the bushing is pressed in the mounting hole of the control arm body in an interference manner. The utility model also provides a vehicle comprising the mounting structure of the suspension control arm. The utility model solves the problems of high precision control difficulty, more manufacturing procedures and high cost of the traditional control arm.

Description

Suspension control arm, mounting structure and vehicle

Technical Field

The utility model relates to the technical field of automobile chassis, in particular to a suspension control arm, a mounting structure and a vehicle.

Background

With the development of economy and the improvement of living standard of people, automobiles become necessary transportation means for people to travel. However, with higher and higher performance requirements of NVH, stability, and the like of automobiles, more and more passenger automobiles adopt independent suspension structures. The suspension control arm is an important component of an independent suspension, and has great influence on the running smoothness and the steering stability of the automobile. The suspension control arm is used as a guiding and force transmitting element of an automobile suspension system to transmit various forces and moments applied to wheels by a road surface to a vehicle body, and meanwhile, the motion trail of the wheels is ensured. The suspension control arm resiliently connects the wheel (or axle) and the body together by bushings, which have sufficient strength and life.

The conventional suspension control arm structure is an assembly structure with bushings, and as shown in fig. 1, two rubber bushings 2 are press-fitted at two ends of a conventional control arm 1 to form a suspension control arm assembly. As shown in fig. 2, the suspension control arm assembly is connected to the subframe 3 at one end and to the brake at the other. Mainly bearing longitudinal loads and part of transverse loads. When the rear wheel is jumped or receives lateral force, driving force and braking force, the force is transmitted to the vehicle body by the suspension control arm assembly. Meanwhile, the motion trail of the wheels is constrained to meet the requirements of various positioning parameters. As shown in fig. 3 and 4, the conventional control arm 1 is formed by welding four parts of two bushing outer pipes 11, a U-shaped sheet piece 12 and a reinforcing piece 13, and the length of a welding seam is greater than 1 meter, so that the thermal deformation of parts is large, and the tolerance of stamping forming of the U-shaped sheet piece 12 and the reinforcing piece 13 is high, so that the accuracy control difficulty of the conventional control arm 1 is high, and the defects of more manufacturing procedures and high cost exist.

Disclosure of Invention

The utility model aims to provide a suspension control arm, a mounting structure and a vehicle, which are used for solving the problems of high accuracy control difficulty, more manufacturing procedures and high cost of the traditional control arm.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a suspension control arm, includes integrated into one piece's control arm body, the cross-section of control arm body along width direction is U type structure, the control arm body is formed with the mounting hole that is used for installing the bush along length direction's both ends, just the mounting hole is formed on the both sides wall at control arm body both ends.

According to the technical means, the control arm body and the mounting hole on the control arm body are manufactured through integral stamping forming, the cross section of the control arm body along the width direction is of a U-shaped structure, and the problem of thermal deformation caused by welding is solved, so that the precision of the control arm body can be ensured, the strength of the control arm body can be ensured, and the integral stamping forming has the advantages of less manufacturing procedures and low cost. The problems of high accuracy control difficulty, multiple manufacturing procedures and high cost of the traditional control arm are solved.

Preferably, the inner side edges of the mounting holes on the two side walls of the two ends of the control arm body are respectively formed with a flanging in an inward extending mode, and therefore the contact area between the control arm body and the bushing is increased.

The flanges are formed by inwards extending the inner side edges of the mounting holes on the two side walls at the two ends of the control arm body, so that the contact area of the control arm body and the bushing is increased, and the assembling stability of the control arm body and the bushing is improved.

Preferably, the cross-sectional area of the control arm body in the width direction is different at different positions in the length direction.

The cross-sectional areas of the control arm body along the width direction at different positions in the length direction are set to be different, namely the cross section of the control arm body along the width direction in the length direction is of a variable cross-section structure, so that the bending strength of the control arm body is improved, and the utilization rate of materials is also improved.

Preferably, the control arm body is formed by integrally stamping a single sheet metal.

The utility model also provides a mounting structure of the suspension control arm, which comprises the suspension control arm and the bushing, wherein the bushing is pressed in the mounting hole of the control arm body in an interference manner.

Preferably, the bushing at one end of the control arm body is used for being connected with the auxiliary frame, and the bushing at the other end is used for being connected with the brake.

The utility model also provides a vehicle comprising the mounting structure of the suspension control arm.

The utility model has the beneficial effects that:

the control arm body and the mounting hole on the control arm body are manufactured through integral stamping forming, the cross section of the control arm body along the width direction is of a U-shaped structure, and the problem of thermal deformation caused by welding is solved, so that the precision of the control arm body can be ensured, the strength of the control arm body can be ensured, the problems of high precision control difficulty, multiple manufacturing procedures and high cost of the traditional control arm are effectively solved, and the control arm has the advantages of simple process, reliable structure, light weight and low cost, and has popularization and application values in the technical field of automobile chassis.

Drawings

FIG. 1 is a schematic illustration of a conventional suspension control arm assembly;

FIG. 2 is a schematic illustration of a conventional suspension control arm assembly configuration;

FIG. 3 is a schematic diagram of a conventional control arm;

FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of the structure of a suspension control arm of the present utility model;

FIG. 6 is a schematic view of another angle configuration of the suspension control arm of the present utility model;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6;

FIG. 8 is a schematic view of a third angle of the suspension control arm of the present utility model;

FIG. 9 is a schematic structural view of the mounting structure of the suspension control arm of the present utility model;

FIG. 10 is a cross-sectional view taken along line C-C of FIG. 9;

FIG. 11 is another angular structural schematic view of the mounting structure of the suspension control arm of the present utility model;

wherein, 1-traditional control arm, 11-bushing outer tube, 12-U-shaped piece, 13-reinforcement; 2-rubber bushings; 3-subframe;

4-a control arm body, 41-a mounting hole and 42-a flanging; 5-bushing.

Detailed Description

Further advantages and effects of the present utility model will become readily apparent to those skilled in the art from the disclosure herein, by referring to the accompanying drawings and the preferred embodiments. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.

It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.

Examples

As shown in fig. 5 to 11, a suspension control arm includes an integrally formed control arm body 4, the cross section of the control arm body 4 in the width direction is in a U-shaped configuration, mounting holes 41 for mounting bushings 5 are formed at both ends of the control arm body 4 in the length direction, and the mounting holes 41 are formed on both side walls of both ends of the control arm body 4.

The control arm body and the mounting hole on the control arm body are manufactured through integral stamping forming, the cross section of the control arm body along the width direction is of a U-shaped structure, the problem of thermal deformation caused by welding is solved, and the production process is optimized, so that the precision of the control arm body can be ensured, the strength of the control arm body can be ensured, and the integral stamping forming has the advantages of less manufacturing procedures and low cost. The problems of high accuracy control difficulty, multiple manufacturing procedures and high cost of the traditional control arm are solved.

Wherein, adopt integrated into one piece mounting hole on the both sides wall at control arm body both ends, reduced traditional bush sleeve pipe and welding procedure, effectively improved production efficiency and reduced manufacturing cost.

In order to increase the contact area between the control arm body and the bushing, so as to ensure the stability of the bushing assembly, the inner side edges of the mounting holes 41 on the two side walls of the two ends of the control arm body 4 are respectively formed with flanges 42 in an inward extending manner, so that the contact area can be effectively increased when the bushing 5 is assembled in the mounting holes 41.

In order to improve the bending strength of the control arm body and to improve the utilization ratio of the material, the cross-sectional areas of the control arm body 4 in the width direction at different positions in the length direction are different, so that the cross-section of the control arm body in the width direction in the length direction is of a variable cross-sectional configuration.

The cross section is the variable cross section of U type structure, and the variable cross section design of control arm body in length direction can be according to the control arm atress condition adaptability adjustment cross section's area size to can improve the utilization ratio of material to the maximum degree when guaranteeing control arm structural strength. The variable cross section of the U-shaped structure can be realized by adopting a traditional stamping forming process, and the method has the advantage of low process difficulty.

The control arm body 4 is formed by integrally stamping a single sheet metal.

The manufacturing process of the suspension control arm in this embodiment is as follows: the suspension control arm is obtained by blanking, punching, flanging and stamping forming through the single sheet metal, the process technology is simple, and the position degree, the size and the tolerance of the mounting holes at the two ends for mounting the bushings can be well controlled.

The present embodiment also provides a mounting structure of a suspension control arm, which includes the suspension control arm and the bushing 5 in the present embodiment, and the bushing 5 is press-fitted in the mounting hole 41 of the control arm body 4.

According to the technical means, the bushing is pressed in the mounting hole of the control arm body in an interference manner, so that the stability of bushing assembly is effectively ensured.

The bushing 5 at one end of the control arm body 4 is used for being connected with the auxiliary frame, and the bushing 5 at the other end is used for being connected with a brake.

There is also provided in this embodiment a vehicle including the mounting structure of the suspension control arm in this embodiment.

After the suspension control arm in the embodiment is used on a certain vehicle type, compared with the traditional suspension control arm with the same strength, the material utilization rate of the suspension control arm is improved by 22%, the weight is reduced by 20%, the cost is reduced by 25.6%, the cost and weight targets of the suspension control arm of the vehicle type are realized, and the requirements of light weight and low cost of the vehicle are met.

In summary, the suspension control arm designed by the utility model is manufactured into the control arm body and the mounting hole on the control arm body through integral stamping, and the cross section of the control arm body along the width direction is of a U-shaped structure, so that the problem of thermal deformation caused by welding is eliminated, the precision of the control arm body can be ensured, the strength of the control arm body can be ensured, and the suspension control arm has the advantages of simple process, reliable structure, light weight and low cost, and has popularization and application values in the technical field of automobile chassis.

The above embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model.

Claims (7)

1. The utility model provides a suspension control arm, its characterized in that includes integrated into one piece's control arm body (4), the cross-section of control arm body (4) along width direction is U type structure, control arm body (4) are formed with along length direction's both ends mounting hole (41) that are used for installing bush (5), just mounting hole (41) are formed on the both sides wall at control arm body (4) both ends.

2. Suspension control arm according to claim 1, characterized in that the inner edges of the mounting holes (41) on both side walls of the control arm body (4) are formed with flanges (42) extending inwards to increase the contact area of the control arm body (4) with the bushing (5).

3. Suspension control arm according to claim 1, characterized in that the control arm body (4) differs in cross-sectional area in the width direction at different positions in the length direction.

4. Suspension control arm according to claim 1, characterized in that the control arm body (4) is integrally stamped from a single sheet metal.

5. A mounting structure of a suspension control arm, characterized by comprising a suspension control arm as claimed in any one of claims 1 to 4 and a bushing (5), said bushing (5) being interference press-fitted in a mounting hole (41) of said control arm body (4).

6. The mounting arrangement according to claim 5, characterized in that the bushing (5) at one end of the control arm body (4) is intended to be connected to a subframe and the bushing (5) at the other end is intended to be connected to a brake.

7. A vehicle comprising the mounting structure of the suspension control arm according to claim 6.

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