CN220883961U - Independent rear suspension system of light commercial vehicle - Google Patents
Independent rear suspension system of light commercial vehicle Download PDFInfo
- Publication number
- CN220883961U CN220883961U CN202322428983.6U CN202322428983U CN220883961U CN 220883961 U CN220883961 U CN 220883961U CN 202322428983 U CN202322428983 U CN 202322428983U CN 220883961 U CN220883961 U CN 220883961U
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- suspension system
- longitudinal beam
- commercial vehicle
- light commercial
- connecting rod
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- 239000000725 suspension Substances 0.000 title claims abstract description 34
- 239000006096 absorbing agent Substances 0.000 claims abstract description 19
- 230000035939 shock Effects 0.000 claims abstract description 19
- 239000002131 composite material Substances 0.000 claims abstract description 14
- 238000005266 casting Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses an independent rear suspension system of a light commercial vehicle, which comprises a rear frame longitudinal beam, a wheel knuckle, a five-link structure and a transverse composite plate spring, wherein the five-link structure is arranged between the rear frame longitudinal beam and the wheel knuckle, and the transverse composite plate spring is connected with the lower part of the five-link structure. The independent rear suspension system of the light commercial vehicle is reasonable in design, adopts a five-link rear suspension structure, is integrally provided with a shock absorber and a transverse composite plate spring, is compact in structure, greatly reduces the height of the suspension system, effectively reduces the height of a cargo carrying platform, and increases the bearing capacity of the vehicle.
Description
Technical Field
The utility model relates to the technical field of light commercial vehicles, in particular to an independent rear suspension system of a light commercial vehicle.
Background
At present, a light commercial vehicle is required to ensure the bearing capacity and comfort stability, and a suspension structure combining a plate spring and a spiral spring is adopted, so that the height of a suspension system is increased, and the height of a loading platform is negatively influenced.
An independent suspension suitable for a light truck, as disclosed in Chinese patent CN203854440U, comprises an auxiliary frame assembly, an upper swing arm assembly, a lower swing arm assembly and a sliding column assembly, wherein the auxiliary frame assembly, the upper swing arm assembly, the lower swing arm assembly and the sliding column assembly are used for being connected with a frame longitudinal beam; its suspension system is high.
Suspension systems employing linkage-related structures are also available; as disclosed in chinese patent CN211892756U, an air suspension system with a light four-bar structure includes a frame, a driving axle, a left upper cover plate and a right upper cover plate fixedly connected with the driving axle, and a left lower cover plate and a right lower cover plate fixedly connected with the driving axle, wherein the left upper cover plate, the right upper cover plate, the left lower cover plate and the right lower cover plate are fixedly connected with the driving axle through nut bolts; which is provided with a vertical air bag assembly to increase the height of the suspension system.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides an independent rear suspension system of a light commercial vehicle, which can effectively reduce the heights of a suspension system and a cargo carrying platform.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The independent rear suspension system of the light commercial vehicle comprises a rear frame longitudinal beam, a wheel knuckle, a five-connecting-rod structure and a transverse composite plate spring, wherein the five-connecting-rod structure is arranged between the rear frame longitudinal beam and the wheel knuckle, and the transverse composite plate spring is connected with the lower part of the five-connecting-rod structure.
Further:
The five-link structure comprises a front upper link, a front lower link, a rear upper link, a rear lower link and a rear toe link; the front upper connecting rod and the front lower connecting rod are arranged up and down oppositely, and the rear upper connecting rod and the rear lower connecting rod are arranged up and down oppositely.
The bicycle steering device further comprises a shock absorber, wherein the outer end of the shock absorber is hinged with the wheel steering knuckle, and the inner end of the shock absorber is hinged with the rear frame longitudinal beam.
The inner ends of all the connecting rods of the five-connecting-rod structure are hinged with the wheel steering knuckle, and the outer ends of all the connecting rods are hinged with the rear frame longitudinal beam.
The rear toe connecting rod is positioned behind the rear upper connecting rod and the rear lower connecting rod.
The shock absorber is positioned in front of the five-bar linkage.
And a longitudinal beam casting is arranged on the outer side of the rear frame longitudinal beam, and the inner end of the shock absorber is hinged with the longitudinal beam casting.
The front end part of the rear frame longitudinal beam and the joint part of the main frame longitudinal beam of the light commercial vehicle are of an arc-shaped structure, and the longitudinal beam casting is arranged at the arc-shaped structure.
Compared with the prior art, the utility model has the following advantages:
the independent rear suspension system of the light commercial vehicle is reasonable in design, adopts a five-link rear suspension structure, is integrally provided with a shock absorber and a transverse composite plate spring, is compact in structure, greatly reduces the height of the suspension system, effectively reduces the height of a cargo carrying platform, and increases the bearing capacity of the vehicle.
Drawings
The contents and the marks in the drawings expressed in the drawings of the present specification are briefly described as follows:
FIG. 1 is a schematic diagram of a system according to the present utility model.
FIG. 2 is a second system diagram of the present utility model.
FIG. 3 is a third system diagram of the present utility model.
In the figure:
1. Main frame longitudinal beam, rear frame longitudinal beam, longitudinal beam casting, transverse composite plate spring, front upper connecting rod, front lower connecting rod, rear upper connecting rod, rear lower connecting rod, rear angle connecting rod and shock absorber.
Detailed Description
The following description of the embodiments of the present utility model refers to the accompanying drawings, which illustrate in further detail.
As shown in fig. 1 to 3, the independent rear suspension system for a light commercial vehicle comprises a rear frame rail 2, a wheel knuckle, a five-bar structure and a transverse composite leaf spring 4, and a shock absorber 10; the five-bar structure is arranged between the rear frame longitudinal beam and the wheel knuckle, and the transverse composite plate spring is connected with the lower part of the five-bar structure; the outer end of the shock absorber is hinged with the wheel knuckle, and the inner end of the shock absorber is hinged with the rear frame longitudinal beam.
The independent rear suspension system adopts a five-link rear suspension structure, and is integrally provided with the shock absorber and the transverse composite plate spring, so that the structure is compact, the height of the suspension system is greatly reduced, the height of a cargo bed is effectively reduced, and the bearing capacity of a vehicle is increased.
Preferably, the five-link structure comprises a front upper link 5, a front lower link 6, a rear upper link 7, a rear lower link 8 and a rear toe link 9; the front upper connecting rod and the front lower connecting rod are arranged up and down oppositely, the rear upper connecting rod and the rear lower connecting rod are arranged up and down oppositely, the front connecting rod structure is positioned in front of the rear connecting rod structure, the structure is compact, and the height of the suspension structure can be effectively reduced.
The inner ends of all the connecting rods of the five-connecting-rod structure are hinged with the wheel steering knuckles, and the outer ends of all the connecting rods are hinged with the support seats arranged on the rear frame longitudinal beams; the transverse composite plate spring is fixedly connected with the rear frame longitudinal beam, the end part of the transverse composite plate spring is connected with the rear lower connecting rod, and the rear toe connecting rod is positioned behind the rear upper connecting rod and the rear lower connecting rod; the shock absorber is arranged in front of the five-link structure and is arranged front and back, so that the Z-direction height of the suspension system can be reduced.
The outside of rear frame longeron 2 is equipped with longeron foundry goods 3, and the inner and the longeron foundry goods of bumper shock absorber hinge link to each other. Further, the front end part of the rear frame longitudinal beam and the joint part of the main frame longitudinal beam 1 of the light commercial vehicle are of an arc-shaped structure, and the longitudinal beam casting is arranged at the arc-shaped structure, so that the structure is stable and reliable.
The foregoing description is only illustrative of the preferred embodiments of the present utility model, and the above-described technical features may be arbitrarily combined to form a plurality of embodiments of the present utility model.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified or applied to other applications without any modification, as long as the inventive concept and technical scheme are adopted.
Claims (8)
1. An independent rear suspension system for a light commercial vehicle, comprising a rear frame rail and a wheel knuckle, characterized in that: the bicycle further comprises a five-connecting-rod structure and a transverse composite plate spring, wherein the five-connecting-rod structure is arranged between the rear frame longitudinal beam and the wheel knuckle, and the transverse composite plate spring is connected with the lower part of the five-connecting-rod structure.
2. The light commercial vehicle independent rear suspension system of claim 1, wherein: the five-link structure comprises a front upper link, a front lower link, a rear upper link, a rear lower link and a rear toe link; the front upper connecting rod and the front lower connecting rod are arranged up and down oppositely, and the rear upper connecting rod and the rear lower connecting rod are arranged up and down oppositely.
3. The light commercial vehicle independent rear suspension system of claim 1, wherein: the bicycle steering device further comprises a shock absorber, wherein the outer end of the shock absorber is hinged with the wheel steering knuckle, and the inner end of the shock absorber is hinged with the rear frame longitudinal beam.
4. The independent rear suspension system of a light commercial vehicle of claim 2, wherein: the inner ends of all the connecting rods of the five-connecting-rod structure are hinged with the wheel steering knuckle, and the outer ends of all the connecting rods are hinged with the rear frame longitudinal beam.
5. The independent rear suspension system of a light commercial vehicle of claim 2, wherein: the rear toe connecting rod is positioned behind the rear upper connecting rod and the rear lower connecting rod.
6. The light commercial vehicle independent rear suspension system of claim 3, wherein: the shock absorber is positioned in front of the five-bar linkage.
7. The light commercial vehicle independent rear suspension system of claim 3, wherein: and a longitudinal beam casting is arranged on the outer side of the rear frame longitudinal beam, and the inner end of the shock absorber is hinged with the longitudinal beam casting.
8. The light commercial vehicle independent rear suspension system of claim 7, wherein: the front end part of the rear frame longitudinal beam and the joint part of the main frame longitudinal beam of the light commercial vehicle are of an arc-shaped structure, and the longitudinal beam casting is arranged at the arc-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322428983.6U CN220883961U (en) | 2023-09-07 | 2023-09-07 | Independent rear suspension system of light commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322428983.6U CN220883961U (en) | 2023-09-07 | 2023-09-07 | Independent rear suspension system of light commercial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220883961U true CN220883961U (en) | 2024-05-03 |
Family
ID=90842677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322428983.6U Active CN220883961U (en) | 2023-09-07 | 2023-09-07 | Independent rear suspension system of light commercial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220883961U (en) |
-
2023
- 2023-09-07 CN CN202322428983.6U patent/CN220883961U/en active Active
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