CN210026947U - Suspension system and vehicle - Google Patents

Abstract

The utility model discloses a suspension system and a vehicle, which comprises a torsion beam assembly, a panhard rod, a shock absorber and a bending-resistant swing arm, wherein one end of the shock absorber is hinged on the torsion beam assembly, and the other end of the shock absorber is hinged on the vehicle body; one end of the panhard rod is hinged on the torsion beam assembly, and the other end of the panhard rod is hinged on the vehicle body; one end of the bending-resistant swing arm is welded on the torsion beam, the other end of the bending-resistant swing arm is hinged on the vehicle body, the bending-resistant swing arm and the shock absorber are both vertically arranged relative to the torsion beam assembly, and the bending-resistant swing arm is perpendicular to the shock absorber. Because the utility model discloses well torsion beam assembly staggers the setting for the first axis of wheel rotation and the whole axis of torsion beam assembly, has formed bent axle formula structure, after the torsion beam assembly is installed at the automobile body, tends to balanced state under the prerequisite that bears certain load, when needs change suspension system and take place to turn to, owing to need overcome the torque under the certain load effect, optimized suspension system's understeer characteristic.

Description

Suspension system and vehicle

Technical Field

The utility model relates to a bearing technical field, more specifically say, relate to a suspension system and vehicle.

Background

Suspension systems are important components for ensuring ride comfort. Meanwhile, the automobile suspension system is used as a force transmission part for connecting a frame (or a body) and an axle (or a wheel)), and is also an important part for ensuring the running safety of an automobile. In order to obtain the stability of the vehicle, it is generally required that the vehicle has a weak understeer characteristic. However, since the suspension system has a relatively low lateral stiffness, the vehicle does not have a weak understeer characteristic and the steering stability is poor.

Therefore, how to optimize the understeer characteristics of the suspension system becomes a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims to solve the technical problem how to optimize the understeer characteristic of suspension system, for this reason, the utility model provides a suspension system and vehicle.

In order to achieve the above object, the utility model provides a following technical scheme:

a suspension system comprises a torsion beam assembly, a panhard rod, a shock absorber and a bending-resistant swing arm, wherein the torsion beam assembly is arranged in a staggered mode relative to a first axis of wheel rotation and the whole axis of the torsion beam assembly, one end of the shock absorber is hinged to the torsion beam assembly, and the other end of the shock absorber is used for being hinged to a vehicle body; one end of the panhard rod is hinged to the torsion beam assembly, and the other end of the panhard rod is hinged to the vehicle body; one end of the bending-resistant swing arm is welded on the torsion beam, the other end of the bending-resistant swing arm is hinged on the vehicle body, the bending-resistant swing arm and the shock absorber are both vertically arranged relative to the torsion beam assembly, and the bending-resistant swing arm is perpendicular to the shock absorber.

In one embodiment of the present invention, the torsion beam assembly includes a wheel bracket, a first hinge bracket, a second hinge bracket and a torsion beam, wherein the wheel bracket is disposed at two ends of the torsion beam, the first hinge bracket is welded on the torsion beam, and the torsion beam is hinged to the vibration absorber through the first hinge bracket; the second hinge support is welded on the torsion beam, the torsion beam is hinged with the panhard rod through the second hinge support, and the bending-resistant swing arm is welded on the torsion beam.

In one embodiment of the present invention, the cross section of the torsion beam is a U-shaped structure.

In one embodiment of the present invention, the bending-resistant swing arm is a box-packed structure.

The utility model discloses in one of them embodiment, bending-resistant swing arm includes first C type arm and second C type arm, first C type arm with the mutual overlap joint welding formula structure as an organic whole of both ends of second C type arm.

In one embodiment of the present invention, a first rubber bushing is disposed at one end of the bending-resistant swing arm, which is engaged with the vehicle body; a second rubber bushing is arranged at one end of the shock absorber matched with the torsion beam assembly; and a third rubber bushing is arranged at one end of the panhard rod matched with the torsion beam assembly.

In one embodiment of the present invention, the first rubber bushing is vulcanized on the bending-resistant swing arm.

The utility model also discloses a vehicle, include as above-mentioned arbitrary suspension system.

According to the technical scheme, after the suspension system is installed, all vertical loads are borne by the shock absorber; the horizontal force is born by the bending-resistant swing arm; the lateral forces are borne by the bending-resistant swing arm and the panhard rod. Because the utility model discloses well torsion beam assembly staggers the setting for the first axis of wheel rotation and the whole axis of torsion beam assembly, has formed bent axle formula structure, after the torsion beam assembly is installed at the automobile body, tends to balanced state under the prerequisite that bears certain load, when needs change suspension system and take place to turn to, owing to need overcome the torque under the certain load effect, optimized suspension system's understeer characteristic.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a suspension system according to an embodiment of the present invention;

fig. 2 is a schematic front view of a suspension system according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of section A-A of FIG. 2;

fig. 4 is a schematic side view of a suspension system according to an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of section B-B of FIG. 4;

in the figure, 100 is a torsion beam assembly, 200 is a shock absorber, 300 is a panhard rod, 400 is a bending-resistant swing arm, 101 is a torsion beam, 102 is a wheel bracket, 103 is a first hinge bracket, 104 is a second hinge bracket, 401 is a first C-shaped arm, 402 is a second C-shaped arm, 501 is a first rubber bushing, 502 is a second rubber bushing, and 503 is a third rubber bushing.

Detailed Description

The core of the utility model is to provide a suspension system and vehicle to optimize suspension system's understeer characteristic.

The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1 to 5, a suspension system according to an embodiment of the present invention includes a torsion beam assembly 100, a panhard rod 300, a shock absorber 200, and a bending-resistant swing arm 400, wherein the torsion beam assembly 100 is staggered with respect to a first axis of rotation of a wheel and an overall axis of the torsion beam assembly 100, one end of the shock absorber 200 is hinged to the torsion beam assembly 100, and the other end of the shock absorber 200 is hinged to a vehicle body; one end of the panhard rod 300 is hinged on the torsion beam assembly 100, and the other end of the panhard rod 300 is hinged on the vehicle body; one end of the bending-resistant swing arm 400 is welded on the torsion beam 101, the other end of the bending-resistant swing arm 400 is hinged on the vehicle body, the bending-resistant swing arm 400 and the shock absorber 200 are both vertically arranged relative to the torsion beam assembly 100, and the bending-resistant swing arm 400 is perpendicular to the shock absorber 200.

After the suspension system in the utility model is installed, the vertical load is borne by the shock absorber 200; the horizontal force is borne by the bending-resistant swing arm 400; the lateral forces are borne by the bending resistant swing arm 400 and the panhard rod 300. Because the utility model discloses well torsion beam assembly 100 staggers the setting for the first axis O1 of wheel rotation and the whole axis O2 of torsion beam assembly, has formed bent axle formula structure, installs after the automobile body when torsion beam assembly 100, tends to balanced state under the prerequisite that bears certain load, when needs change suspension system and take place to turn to, owing to need overcome the torque under the certain load effect, optimized suspension system's understeer characteristic.

In one embodiment of the present invention, the torsion beam assembly 100 includes a wheel bracket 102, a first hinge bracket 103, a second hinge bracket 104 and a torsion beam 101, wherein the wheel bracket 102 is disposed at two ends of the torsion beam 101, the first hinge bracket 103 is welded on the torsion beam 101, and the torsion beam 101 is hinged to the shock absorber 200 through the first hinge bracket 103; the second hinge bracket 104 is welded on the torsion beam 101, the torsion beam 101 is hinged with the panhard rod 300 through the second hinge bracket 104, and the bending-resistant swing arm 400 is welded on the torsion beam 101.

In one embodiment of the present invention, the cross section of the torsion beam 101 is a circular structure or a U-shaped structure. The utility model discloses the preferred U type structure that is adopts the U type structure to obtain better torsional rigidity when having increased suspension system's bending stiffness, makes whole car obtain better travelling comfort.

The bending-resistant swing arm 400 is of a box-packed structure, so that the bending-resistant swing arm 400 has high bending rigidity, and the pitching rigidity of the vehicle body is increased. Referring to fig. 5, the bending-resistant swing arm 400 of this embodiment includes a first C-shaped arm 401 and a second C-shaped arm 402, and two ends of the first C-shaped arm 401 and the second C-shaped arm 402 are welded to each other to form an integral structure. Of course, the bending-resistant swing arm 400 of the present invention is not limited to this structure. The cross section of the first C-shaped arm 401 and the cross section of the second C-shaped arm 402 are C-shaped structures.

A first rubber bushing 501 is arranged at one end of the bending-resistant swing arm 400 matched with the vehicle body; a second rubber bushing 502 is arranged at one end of the shock absorber 200 matched with the torsion beam assembly 100; the end of panhard rod 300 that mates with twist beam assembly 100 is provided with a third rubber bushing 503. The purpose of vibration isolation can be achieved by providing the first rubber bushing 501, the second rubber bushing 502, and the third rubber bushing 503. The first rubber bushing 501 is vulcanized on the bending resistant swing arm 400.

The panhard rod 300 and the axis of the torsion beam 101 establish a spatial coordinate system z-x-y, wherein the axis of the torsion beam is parallel to the ox direction, the shock absorber 200 is parallel to the oz direction, and the bending-resistant swing arm 400 is parallel to the oy direction, so that the panhard rod 300 and the surfaces x-o-z, x-o-y and z-o-y are all included, when the vehicle body is subjected to lateral force, the vehicle body or a relative suspension system generates displacement in the lateral direction, the lower the lateral rigidity is, the larger the displacement is, and the panhard rod 300 can resist the lateral force of the vehicle body relative to the suspension, so that the lateral displacement is reduced, the lateral rigidity is increased, and the understeering characteristic or the straight-line driving capability of the vehicle is optimized.

The utility model also discloses a vehicle, include the suspension system as above-mentioned arbitrary. Since the suspension system has the above beneficial effects, a vehicle including the suspension system also has corresponding effects, and the detailed description is omitted here.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. A suspension system is characterized by comprising a torsion beam assembly, a panhard rod, a shock absorber and a bending-resistant swing arm, wherein the torsion beam assembly is arranged in a staggered manner relative to a first axis of wheel rotation and the integral axis of the torsion beam assembly, one end of the shock absorber is hinged on the torsion beam assembly, and the other end of the shock absorber is used for being hinged on a vehicle body; one end of the panhard rod is hinged to the torsion beam assembly, and the other end of the panhard rod is hinged to the vehicle body; one end of the bending-resistant swing arm is welded on the torsion beam, the other end of the bending-resistant swing arm is hinged on the vehicle body, the bending-resistant swing arm and the shock absorber are both vertically arranged relative to the torsion beam assembly, and the bending-resistant swing arm is perpendicular to the shock absorber.

2. The suspension system according to claim 1 wherein said torsion beam assembly includes a wheel bracket, a first hinge bracket, a second hinge bracket and a torsion beam, wherein said wheel bracket is disposed at both ends of said torsion beam, said first hinge bracket is welded to said torsion beam, and said torsion beam is hinged to said shock absorber through said first hinge bracket; the second hinge support is welded on the torsion beam, the torsion beam is hinged with the panhard rod through the second hinge support, and the bending-resistant swing arm is welded on the torsion beam.

3. The suspension system of claim 2 wherein said twist beam is U-shaped in cross-section.

4. The suspension system of claim 1 wherein said flexure-resistant swing arm is of boxed construction.

5. The suspension system of claim 4 wherein said flexure-resistant swing arm includes a first C-arm and a second C-arm, both ends of said first C-arm and said second C-arm being lap welded to each other as a unitary structure.

6. The suspension system of claim 1 wherein the end of said flexure arm that engages said vehicle body is provided with a first rubber bushing; a second rubber bushing is arranged at one end of the shock absorber matched with the torsion beam assembly; and a third rubber bushing is arranged at one end of the panhard rod matched with the torsion beam assembly.

7. The suspension system of claim 6 wherein said first rubber bushing is vulcanized on said flexure arm.

8. A vehicle comprising a suspension system as claimed in any one of claims 1 to 7.

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