CN220076073U - Trailing arm type rear independent suspension system - Google Patents

Abstract

The utility model discloses a trailing arm type rear independent suspension system which comprises a trailing arm, wherein the trailing arm is connected with a shock absorber assembly through a shock absorber lower bracket, and a spiral spring is arranged on the trailing arm through a spring lower tray; the dragging arm comprises a U-shaped arm and a linear arm, a first bushing and a second bushing are movably arranged on the U-shaped arm, and a sleeve fixedly connected with a hub shaft is arranged at the end part of the linear arm, which is far away from the U-shaped arm. The utility model has the following advantages: in the form of an independent suspension, usable for the rear suspension of a front wheel drive vehicle; the structure is simple, the floor of the vehicle body can be leveled, and enough arrangement space is provided for the oil tank and the spare tire between the dragging arms at two sides; for the logistics vehicle, the container can be arranged lower, the distance between the container and the ground is reduced while the container volume is increased, the cargo loading and unloading efficiency is increased, the labor intensity of workers is reduced, and the concept of 'low floor' and the lifting function of the container can be completely realized.

Description

Trailing arm type rear independent suspension system

Technical Field

The utility model relates to the technical field of suspension systems, in particular to a trailing arm type rear independent suspension system.

Background

The structural style of the suspension of the existing automobile rear wheel, because of the reason in design, the wheel can all have butterfly movements in the bouncing of the wheel relative to the automobile body, the front beam of the wheel can also change along with the butterfly movements, the track of the automobile is increased, the posture of the automobile body is influenced to a certain extent, the operability is reduced when the automobile turns, the safety of the automobile is influenced, meanwhile, the suspension can have scraping phenomenon in the jumping process of the automobile, the suspension stroke is longer for all-terrain vehicles for sports and scientific and military special vehicles for complex terrains, the defects of the conventional damping suspension mechanism are more obvious, the cargo loading and unloading efficiency is not high enough, and the functions of 'low floor' concept and container lifting can not be realized.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides a trailing arm type rear independent suspension system.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the trailing arm type rear independent suspension system comprises a trailing arm, wherein the trailing arm is connected with a shock absorber assembly through a shock absorber lower bracket, and a coil spring is arranged on the trailing arm through a spring lower tray; the dragging arm comprises a U-shaped arm and a linear arm, a first bushing and a second bushing are movably arranged on the U-shaped arm, and a sleeve fixedly connected with a hub shaft is arranged at the end part of the linear arm, which is far away from the U-shaped arm.

As a preferred solution, the sleeve is welded to the hub axle.

As a preferred solution, the sleeve is screwed with the hub axle.

As a preferred solution, the trailing arm is of closed box/box structure/tubular structure/large section sheet structure, so as to resist bending and torsional stresses from the ground and wheels.

As a preferred solution, one of the first bushing and the second bushing is transverse to the other.

As a preferred solution, the first bushing and the second bushing are both transverse.

As a preferred option, the coil spring and shock absorber assembly is mounted between the trailing arm and the vehicle body/frame.

The utility model has the following advantages: in the form of an independent suspension, usable for the rear suspension of a front wheel drive vehicle; the structure is simple, the floor of the vehicle body can be leveled, and enough arrangement space is provided for the oil tank and the spare tire between the dragging arms at two sides; for the logistics vehicle, the container can be arranged lower, the distance between the container and the ground is reduced while the container volume is increased, the cargo loading and unloading efficiency is increased, the labor intensity of workers is reduced, and the concept of 'low floor' and the lifting function of the container can be completely realized.

Drawings

Fig. 1 is a schematic view of the structure of the present utility model, 1.

Fig. 2 is a schematic structural view of the present utility model, fig. 2.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the embodiments of the present utility model, if a feature is referred to as being "disposed", "fixed", "connected" or "mounted" on another feature, it can be directly disposed, fixed or connected to the other feature or be indirectly disposed, fixed or connected or mounted on the other feature. In the description of the embodiments of the present utility model, if "several" is referred to, it means more than one, if "multiple" is referred to, it is understood that the number is not included if "greater than", "less than", "exceeding", and it is understood that the number is included if "above", "below", "within" is referred to. If reference is made to "first", "second" it is to be understood as being used for distinguishing technical features and not as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings.

Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

Referring to the drawings, a trailing arm type rear independent suspension system comprises a trailing arm 1, wherein the trailing arm 1 is connected with a shock absorber assembly 3 through a shock absorber lower bracket 2, and a coil spring 5 is arranged on the trailing arm 1 through a spring lower tray 4; the drag arm 1 consists of a U-shaped arm 101 and a linear arm 102, wherein a first bushing 6 and a second bushing 7 are movably arranged on the U-shaped arm, and a sleeve 8 fixedly connected with a hub shaft is arranged at the end part of the linear arm far away from the U-shaped arm.

As a preferred embodiment of this example, the sleeve is welded to the hub axle.

As a preferred embodiment of this example, the sleeve is threaded with the hub axle.

As a preferred embodiment of the present example, the trailing arm is a closed box/box structure/tubular structure/large section sheet structure.

As a preferred embodiment of this example, one of the first bushing and the second bushing is transverse to one of the vertical directions.

As a preferred embodiment of this example, the first bushing and the second bushing are both transverse.

As a preferred embodiment of this example, the coil spring and shock absorber assembly is mounted between the trailing arm and the vehicle body/frame.

When the utility model is embodied, the utility model is in the form of an independent suspension, and can be used for a rear suspension of a front wheel drive vehicle; the structure is simple, the floor of the vehicle body can be leveled, and enough arrangement space is provided for the oil tank and the spare tire between the dragging arms at two sides; for the logistics vehicle, the container can be arranged lower, the distance between the container and the ground is reduced while the container volume is increased, the cargo loading and unloading efficiency is increased, the labor intensity of workers is reduced, and the concept of 'low floor' and the lifting function of the container can be completely realized.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description. The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (7)

1. A trailing arm rear independent suspension system characterized by: the device comprises a trailing arm, wherein the trailing arm is connected with a shock absorber assembly through a shock absorber lower bracket, and a coil spring is arranged on the trailing arm through a spring lower tray; the dragging arm comprises a U-shaped arm and a linear arm, a first bushing and a second bushing are movably arranged on the U-shaped arm, and a sleeve fixedly connected with a hub shaft is arranged at the end part of the linear arm, which is far away from the U-shaped arm.

2. A trailing arm rear independent suspension system according to claim 1 wherein: the sleeve is welded to the hub axle.

3. A trailing arm rear independent suspension system according to claim 1 wherein: the sleeve is in threaded connection with the hub shaft.

4. A trailing arm rear independent suspension system according to claim 1 wherein: the trailing arm is a closed box/box structure/tubular structure/large section sheet structure.

5. A trailing arm rear independent suspension system according to claim 1 wherein: one of the first bushing and the second bushing is transverse and one of the first bushing and the second bushing is vertical.

6. A trailing arm rear independent suspension system according to claim 1 wherein: the first bushing and the second bushing are both transverse.

7. A trailing arm rear independent suspension system according to claim 1 wherein: the coil spring and shock absorber assembly is mounted between the trailing arm and the vehicle body/frame.