CN217892423U

CN217892423U - Automobile multi-connecting-rod front suspension assembly

Info

Publication number: CN217892423U
Application number: CN202221905197.XU
Authority: CN
Inventors: 张永军; 孟凡亮; 程凯; 熊辉; 刘丽丽; 李绍杰
Original assignee: Chery Automobile Co Ltd
Current assignee: Chery Automobile Co Ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-11-25
Anticipated expiration: 2032-07-22

Abstract

The utility model provides a leading suspension assembly of many connecting rods of car, belongs to automotive suspension system technical field, this leading suspension assembly of many connecting rods of car, including the knuckle, the outside of knuckle is provided with the brake disc, and the front side of knuckle is through preceding swing arm, preceding swing arm and toe-in regulation pole link to each other with the sub vehicle frame, and the rear side bottom of knuckle links to each other with the sub vehicle frame through damping swing arm, and the rear side upper portion of knuckle is through last swing arm in the back and sub vehicle frame link to each other, the beneficial effects of the utility model are that, the utility model discloses an use swing arm spare as the main part, regard as the platform with each strong support point of knuckle, the reasonable design wherein quantity, shape and the position of arranging of swing arm spare, the load that makes each structure of suspension receive can the equipartition reasonable, can satisfy strong rigidity performance requirement, promotes happy risk ability that the anti-cracking of structural deformation under extreme operating mode.

Description

Automobile multi-connecting-rod front suspension assembly

Technical Field

The utility model relates to an automotive suspension system technical field especially relates to a leading suspension assembly of car multi-link.

Background

The automobile suspension is an important ring in the whole automobile manufacturing process and comprises a brake, a brake disc, a hub bearing, a shock absorber, a spring, a swing arm piece and an elastic element. The suspension is a force transmission part of the whole automobile, excitation transmitted from a road surface in the driving process of the automobile is transmitted to an automobile body through the suspension, and loads borne by all parts are expected to be uniformly distributed and reasonable in the automobile design process, so that the arrangement and the structure of the suspension are very important. The layout department can provide a certain suspension design size and installation space according to components and parts around the suspension, and on the basis, each part of the suspension needs to be designed in detail so as to meet structural performances such as enough strength and rigidity.

The related parts of the suspension structure are required to be simple and efficient, and simultaneously meet the requirements of various aspects such as process and the like. The existing suspension system often has the defects that the load cannot be uniformly distributed, the load borne by the related structural member is large, the strong rigidity of the corresponding structural member cannot meet the performance requirement, and the risk of deformation, fracture and failure of the related structural member exists.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a leading suspension assembly of car multi-link to the swing arm spare is the main part, regards as the platform with each strong point of knuckle, and the quantity, the shape of swing arm spare and the position of arranging wherein rational design make the load that each structure of suspension receives can the equipartition reasonable, can satisfy strong rigidity performance requirement.

In order to achieve the above object, the technical solution of the present invention to solve the technical problem is: the automobile multi-connecting-rod front suspension assembly comprises a steering knuckle, a brake disc is arranged on the outer side of the steering knuckle, the front side of the steering knuckle is connected with an auxiliary frame through a front upper swing arm, a front lower swing arm and a toe-in adjusting rod, and the bottom and the upper portion of the rear side of the steering knuckle are connected with the auxiliary frame through a damping swing arm and a rear upper swing arm respectively.

The toe-in adjusting rod is arranged between the front upper swing arm and the front lower swing arm.

The front upper swing arm is a V-shaped arm, and a V-shaped concave rib which is concave towards the rear side of the steering knuckle is arranged on the front upper swing arm along with the shape.

The front lower swing arm is a straight swing arm, and a strip-shaped concave rib which is concave to the rear side of the steering knuckle is arranged on the front lower swing arm along the length direction of the front lower swing arm.

Damping swing arm includes necking down section I and necking down section II that installation section and both ends rounding off link to each other, install the spring in the installation section and link to each other with the automobile body through the spring, necking down section I with the knuckle links to each other, necking down section II links to each other with sub vehicle frame.

The section of the damping swing arm is U-shaped, a boss is arranged at the center of the top of the mounting section, an annular groove is formed between the boss and the periphery of the mounting section in a surrounding mode, and the annular groove is in pre-tightening fit with the spring.

And the bottom of the rear side of the steering knuckle is also provided with a shock absorber and is connected with the automobile body through the shock absorber.

The rear upper swing arm is a smooth L-shaped arm, and an L-shaped concave rib which is concave towards the front side of the steering knuckle is arranged on the rear upper swing arm along with the shape.

The front upper swing arm, the front lower swing arm, the toe-in adjusting rod, the damping swing arm and the rear upper swing arm are all made of aluminum alloy materials.

The utility model has the advantages that:

1. the utility model discloses regard as the platform with each strong point of knuckle, swing arm and toe-in regulation pole under preceding swing arm, preceding swing arm under in the knuckle front side setting links to each other with the sub vehicle frame, set up the shock attenuation swing arm that links to each other with the sub vehicle frame and go up the swing arm after with at the knuckle rear side, link to each other with the sub vehicle frame through five connecting rods, make the load that each structure received can the equipartition reasonable, reduced the risk that deformation, fracture became invalid appear in relevant structure.

2. The utility model discloses a with each swing arm by aluminum alloy material machine-shaping, the holistic weight of suspension assembly has been alleviateed, lightweight purpose has been reached, and shape and arrangement position through designing each swing arm, and in the front go up the swing arm, set up the strengthening rib on shock attenuation swing arm and the back upper swing arm, axial bearing capacity can be followed to each swing arm, intensity and the rigidity performance of each structure of promotion that can furthest, the anti-deformation risk ability of cracking of promotion that can furthest under extreme operating mode structure.

Drawings

The contents of the various figures of the specification and the labels in the figures are briefly described as follows:

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

FIG. 2 is a schematic structural view of the shock absorbing swing arm of FIG. 1;

the labels in the above figures are: 1. the automobile steering knuckle comprises a steering knuckle, 2 a brake disc, 3 a front upper swing arm, 31.L-shaped concave ribs, 4 a front lower swing arm, 41 bar-shaped concave ribs, 5 a toe-in adjusting rod, 6 a damping swing arm, 61 an installation section, 62 neck sections I, 63, neck sections II, 64 bosses, 65 annular grooves, 7 a rear upper swing arm, 71.L-shaped concave ribs, 8 springs and 9 dampers.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses specific embodiment does: as shown in figure 1, a leading suspension assembly of car multi-link, including knuckle 1, the outside of knuckle 1 is provided with brake disc 2, knuckle 1 sets up a plurality of mounting points along circumference and is used for installing each swing arm, the front side of knuckle 1 is through preceding swing arm 3, preceding swing arm 4 and toe-in regulation pole 5 link to each other with the sub vehicle frame, the rear side bottom of knuckle 1 links to each other with the sub vehicle frame through shock attenuation swing arm 6, the rear side upper portion of knuckle 1 is through back swing arm 7 and sub vehicle frame link to each other, link to each other with the sub vehicle frame through five connecting rods, the load that makes each structure spare receive can the equipartition reasonable, the risk that the deformation, fracture became invalid has been reduced to relevant structure.

Specifically, the front upper swing arm 3 is a V-shaped arm, and a V-shaped concave rib 31 which is concave towards the rear side of the steering knuckle 1 is arranged on the front upper swing arm 3 along the shape, so that the axial bearing capacity and the torque resistance of the front upper swing arm 3 are enhanced; the front lower swing arm 4 is a straight swing arm, and the front lower swing arm 4 is provided with a strip-shaped concave rib 41 which is concave towards the rear side of the steering knuckle 1 along the length direction of the front lower swing arm, so that the axial bearing capacity of the front lower swing arm 4 is enhanced; the toe-in adjusting rod 5 is a straight rod piece, the toe-in adjusting rod 5 is arranged between the front upper swing arm 3 and the front lower swing arm 4, on one hand, the force transmitted to the steering knuckle 1 by a tire can be dispersed and transmitted, on the other hand, the toe-in adjusting rod 5 of the straight rod piece structure without the reinforcing ribs is arranged between the front upper swing arm 3 and the front lower swing arm 4 which contain the reinforcing ribs, and therefore loads received by the front upper swing arm 3, the front lower swing arm 4 and the toe-in adjusting rod 5 can be uniformly distributed and reasonably.

Specifically, as shown in fig. 2, the damping swing arm 6 includes a mounting section 61 and a necking section i 62 and a necking section ii 63 both ends of which are connected in a smooth transition manner, a spring 8 is mounted in the mounting section 61 and is connected with the vehicle body through the spring 8, the necking section i 62 is connected with the steering knuckle 1, the necking section ii 63 is connected with the auxiliary vehicle frame, the cross section of the damping swing arm 6 is U-shaped, a boss 64 is arranged at the center of the top of the mounting section 61, an annular groove 65 is enclosed between the boss 64 and the periphery of the mounting section 61, the annular groove 65 is in pre-tightening fit with the spring 8, and the firmness of mounting the spring 8 is ensured. In addition, the bottom of the rear side of the steering knuckle 1 is also provided with a shock absorber 9 and is connected with a vehicle body through the shock absorber 9, and the shock absorber 9 is matched with the spring 8 to achieve a good shock absorption effect.

Specifically, as shown in fig. 1, the rear upper swing arm 7 is configured as a smooth L-shaped arm, and an L-shaped concave rib 71 that is concave towards the front side of the knuckle 1 is conformally disposed on the rear upper swing arm 7, so that the axial bearing capacity and the torque resistance of the rear upper swing arm 7 are enhanced.

In addition, the front upper swing arm 3, the front lower swing arm 4, the toe-in adjusting rod 5, the damping swing arm 6 and the rear upper swing arm 7 are all made of aluminum alloy materials, the weight of the shock-absorbing swing arm is reduced by more than 50% compared with that of the traditional material, meanwhile, the limit bearing capacity of the shock-absorbing swing arm can reach 50000-80000N after strength analysis, and the risk capability of deformation resistance and cracking resistance of the structure under the limit working condition can be improved to the maximum extent.

To summer up, the utility model discloses use the swing arm spare as the main part to each strong point of knuckle is as the platform, and the quantity, the shape of swing arm spare wherein the rational design and the position of arranging make the load that each structure of suspension receives can the equipartition reasonable, can satisfy strong rigidity performance requirement, promote happy risk ability of anti-deformation crack of structure under the extreme condition.

The above description is only used for illustrating some principles of the present invention, and the present specification does not limit the present invention to the specific structure and the application range shown, so all the corresponding modifications and equivalents that may be utilized all belong to the claims of the present invention.

Claims

1. The utility model provides a leading suspension assembly of car multi-link which characterized in that, includes the knuckle, the outside of knuckle is provided with the brake disc, the front side of knuckle links to each other with the sub vehicle frame through preceding swing arm, preceding swing arm and toe-in regulation pole down, the rear side bottom and the upper portion of knuckle link to each other with the sub vehicle frame through shock attenuation swing arm, back swing arm respectively.

2. The automotive multi-link front suspension assembly of claim 1, wherein: the toe-in adjusting rod is arranged between the front upper swing arm and the front lower swing arm.

3. The automotive multi-link front suspension assembly of claim 1, characterized in that: the front upper swing arm is a V-shaped arm, and a V-shaped concave rib which is concave towards the rear side of the steering knuckle is arranged on the front upper swing arm along with the shape.

4. The automotive multi-link front suspension assembly of claim 1, wherein: the front lower swing arm is a straight swing arm, and a strip-shaped concave rib recessed towards the rear side of the steering knuckle is arranged on the front lower swing arm along the length direction of the front lower swing arm.

5. The automotive multi-link front suspension assembly of claim 1, wherein: damping swing arm includes necking down section I and necking down section II that installation section and both ends rounding off link to each other, install the spring in the installation section and link to each other with the automobile body through the spring, necking down section I with the knuckle links to each other, necking down section II links to each other with sub vehicle frame.

6. The automotive multi-link front suspension assembly of claim 5, characterized in that: the section of the damping swing arm is U-shaped, a boss is arranged at the center of the top of the mounting section, an annular groove is formed between the boss and the periphery of the mounting section in a surrounding mode, and the annular groove is in pre-tightening fit with the spring.

7. The automotive multi-link front suspension assembly of claim 1, characterized in that: and a shock absorber is further mounted at the bottom of the rear side of the steering knuckle and is connected with the vehicle body through the shock absorber.

8. The automotive multi-link front suspension assembly of claim 1, wherein: the rear upper swing arm is a smooth L-shaped arm, and an L-shaped concave rib which is concave towards the front side of the steering knuckle is arranged on the rear upper swing arm along with the shape.

9. The automotive multi-link front suspension assembly of claim 1, wherein: the front upper swing arm, the front lower swing arm, the toe-in adjusting rod, the damping swing arm and the rear upper swing arm are all made of aluminum alloy materials.