CN216467237U - Rear suspension device for rear-drive electric vehicle - Google Patents
Rear suspension device for rear-drive electric vehicle Download PDFInfo
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- CN216467237U CN216467237U CN202123432866.4U CN202123432866U CN216467237U CN 216467237 U CN216467237 U CN 216467237U CN 202123432866 U CN202123432866 U CN 202123432866U CN 216467237 U CN216467237 U CN 216467237U
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- arm
- transverse control
- suspension device
- rear transverse
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Abstract
The utility model discloses a rear suspension device for a rear-drive electric vehicle, which comprises a rear dragging arm, a left rear transverse control arm, a right rear transverse control arm and a control arm bracket, wherein the left rear transverse control arm, the right rear transverse control arm and the control arm bracket are connected with the rear dragging arm; the rear suspension device comprises a left rear transverse control arm, a right rear transverse control arm, a plurality of mounting supports, a rear suspension device, a rear towing arm, a pipe beam, a U-shaped structure and a control arm support, wherein the left rear transverse control arm and the right rear transverse control arm are respectively connected with the control arm support, the rear towing arm is integrally mounted with the mounting supports, the U-shaped structure is formed by bending the pipe beam, the inner space of the U-shaped structure is large, the whole rigidity is good, the structure is firm, the left rear transverse control arm, the right rear transverse control arm and the control arm support are of traditional sheet metal structures, the three parts play a role in transmitting suspension guiding and torque, and meanwhile, the spiral spring and the shock absorber are of split type structures, so that the rear suspension device is simple, reliable and low in cost, and meets the design requirements of part simplification, light weight and low cost.
Description
Technical Field
The utility model relates to an automobile parts field, concretely relates to rear-guard is rear suspension device for electric motor car.
Background
Automotive suspension systems are an important component of chassis design. The rear suspension system not only affects the steering stability and smoothness of the chassis, but also is an important factor affecting the arrangement of the whole vehicle. Modern automobiles are required to ensure sufficient comfort and stability while pursuing light weight, economy and arrangement space. For small and miniature electric vehicles, a driving motor and a main reducer are generally arranged at the rear, and a rear axle adopts a single trailing arm integrated axle non-independent suspension structure or a five-link non-independent suspension integrated axle structure (electric drive axle); the following disadvantages exist: encroaching the 'hollow' of the suspension, which causes difficulty in arrangement of a driving motor, a main reducer and the like; the unsprung mass is large, the following performance of the vehicle rear suspension is poor, the response is delayed, the unsprung mass causes large inertia force under the condition of rapid acceleration, and the fracture risk of a rear suspension part is increased; the whole bridge type suspension belongs to a non-independent suspension, and the left wheel and the right wheel can be mutually drawn when jumping, so that the riding comfort and the control safety are reduced; the integral rear axle is generally added with a transverse thrust rod, and the whole suspension can generate a certain transverse displacement in the process of moving up and down, so that the tire wear is increased.
Therefore, in order to solve the above problems, a rear suspension device for a rear drive electric vehicle is required, which solves the above problems.
SUMMERY OF THE UTILITY MODEL
In view of this, according to the rear suspension device of the technical scheme, the rear trailing arm is bent into a U shape by the tubular beam, the U shape has a large inner space, the whole rigidity is good, the structure is firm, the rear right transverse control arm and the control arm support are of traditional sheet metal structures, the three parts play roles in suspension guiding and torque transmission, and meanwhile, the spiral spring and the shock absorber are of split structures, so that the rear suspension device is simple, reliable and low in cost, and meets the design requirements of part simplification, light weight and low cost.
A rear suspension device for a rear-drive electric vehicle comprises a rear dragging arm, a left rear transverse control arm, a right rear transverse control arm and a control arm bracket, wherein the left rear transverse control arm, the right rear transverse control arm and the control arm bracket are connected with the rear dragging arm; the left rear transverse control arm and the right rear transverse control arm are respectively connected with the control arm support, and a plurality of mounting supports are integrally mounted on the rear dragging arm.
Furthermore, the rear dragging arm is integrally of a U-shaped structure, and the mounting supports comprise spring supports, shock absorber supports and brake mounting supports which are connected and arranged on the rear dragging arm.
Further, a spiral spring is upwards installed on the spring support along the vertical direction, and a rear shock absorber assembly is upwards installed on the shock absorber support along the vertical direction.
Furthermore, the front end of the rear dragging arm is provided with a rubber bushing in a connecting manner, and the left rear transverse control arm and the right rear transverse control arm are symmetrically arranged relative to the rubber bushing.
Further, the brake mounting bracket is fixedly connected and mounted on the rear dragging arm, and the shock absorber bracket is fixedly connected and arranged on the side face of the brake mounting bracket.
Furthermore, a control arm support which is matched with the left rear transverse control arm for installation is connected to the brake installation support.
Furthermore, the left rear transverse control arm and the right rear transverse control arm are connected and arranged in the middle of the control arm support.
The utility model has the advantages that: this technical scheme's rear suspension device, back trailing arm is bent into the U type by the tubular beams, U type inner space is big, and whole rigidity is good, and the structure is firm, right back transverse control arm and control arm support are traditional sheet metal construction, the three plays the transmission effect of suspension direction and moment, coil spring, shock absorber are split type structure simultaneously, and is simple and reliable, low cost, the part simplification has been satisfied, lightweight and low cost's design requirement.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a schematic view of the installation structure of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is the installation schematic diagram of the left and right lateral control arm brackets of the utility model.
Detailed Description
FIG. 1 is a schematic view of the installation structure of the present invention; fig. 2 is a top view of the present invention; FIG. 3 is a schematic view of the control arm bracket of the present invention; as shown in the figure, the rear suspension device for the rear-drive electric vehicle comprises a rear dragging arm 1, a left rear transverse control arm 5, a right rear transverse control arm 4 and a control arm bracket 3, wherein the left rear transverse control arm 5, the right rear transverse control arm 4 and the control arm bracket 3 are connected with the rear dragging arm 1; the left rear transverse control arm 5 and the right rear transverse control arm 4 are respectively connected with the control arm bracket 3, and a plurality of mounting brackets are integrally mounted on the rear dragging arm 1; this technical scheme's rear suspension device, back trailing arm 1 is bent into the U type by the tubular beam, U type inner space is big, and whole rigidity is good, the structure is firm, right back transverse control arm 4, left back transverse control arm 5 and control arm support 3 are traditional sheet metal construction, the three plays the transmission effect of suspension direction and moment, coil spring, the shock absorber is split type structure simultaneously, and is simple and reliable, low cost, the part simplification has been satisfied, lightweight and low cost's design requirement.
In this embodiment, the rear drag arm 1 is integrally of a U-shaped structure, and the plurality of mounting brackets include a spring bracket 6, a shock absorber bracket 8 and a brake mounting bracket 10 which are connected and arranged on the rear drag arm. The integrated welding of multiple support is installed on dragging arm 1 behind, and overall structure is compacter, does benefit to manufacturing. The rear towing arm 1 is integrally bent into a U shape by a tubular beam, the U shape has a large internal space, the whole rigidity is good, and the structure is firm.
In this embodiment, the spring support 6 is provided with a coil spring 7 upward along the vertical direction, and the damper support 8 is provided with a rear damper assembly 9 upward along the vertical direction. The spiral spring and the rear shock absorber assembly 9 are respectively and correspondingly arranged on the corresponding supports and then connected and arranged with the rest parts, and the whole structure is simple and reliable.
In this embodiment, the front end of the rear dragging arm 1 is provided with a rubber bushing 2 in a connecting manner, and the left rear transverse control arm and the right rear transverse control arm are symmetrically arranged relative to the rubber bushing. Because the rubber bush 2 at the front end of the rear towing arm 1 exists, the jumping of the left and right wheels is transmitted to the wheel edge at the other side to be filtered by the bush, so that the influence of the left and right wheels is small, and the comfort is further improved.
In this embodiment, the brake mounting bracket 10 is fixedly connected and mounted on the rear drag arm 1, and the shock absorber bracket 8 is fixedly connected and disposed on the side surface of the brake mounting bracket 10. One end of the shock absorber support 8 is fixedly connected with the rear dragging arm 1, the other end of the shock absorber support is fixedly connected with the brake mounting support 10, and the overall structure is firmer.
In this embodiment, the brake mounting bracket 10 is connected to a control arm bracket 11 installed in cooperation with the left rear transverse control arm. The control arm bracket 11 is welded to the brake mounting bracket 10, and the brake mounting bracket 10 provides a mounting point for the left rear transverse control arm 5.
In this embodiment, the left rear transverse control arm 5 and the right rear transverse control arm 4 are connected and arranged in the middle of the control arm bracket 3. The lateral force is transmitted by the left and right rear transverse control arms which are symmetrical left and right; the stress is even, the left and the right are mutually offset, almost no transverse displacement exists, and the overall performance is improved.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. The utility model provides a rear suspension device for rear-guard electric motor car which characterized in that: the device comprises a rear dragging arm, a left rear transverse control arm, a right rear transverse control arm and a control arm bracket, wherein the left rear transverse control arm, the right rear transverse control arm and the control arm bracket are connected with the rear dragging arm; the left rear transverse control arm and the right rear transverse control arm are respectively connected with the control arm support, and a plurality of mounting supports are integrally mounted on the rear dragging arm.
2. The rear suspension device for a rear drive electric vehicle according to claim 1, characterized in that: the rear dragging arm is integrally of a U-shaped structure, and the mounting supports comprise spring supports, shock absorber supports and brake mounting supports which are connected and arranged on the rear dragging arm.
3. The rear suspension device for a rear drive electric vehicle according to claim 2, characterized in that: the spring support is upwards provided with a spiral spring along the vertical direction, and the shock absorber support is upwards provided with a rear shock absorber assembly along the vertical direction.
4. The rear suspension device for a rear drive electric vehicle according to claim 3, characterized in that: the front end of the rear dragging arm is provided with a rubber bushing in a connecting manner, and the left rear transverse control arm and the right rear transverse control arm are symmetrically arranged relative to the rubber bushing.
5. The rear suspension device for a rear drive electric vehicle according to claim 4, characterized in that: the brake mounting bracket is fixedly connected and mounted on the rear dragging arm, and the shock absorber bracket is fixedly connected and arranged on the side face of the brake mounting bracket.
6. The rear suspension device for a rear drive electric vehicle according to claim 5, characterized in that: and the brake mounting bracket is connected with a control arm bracket which is matched with the left rear transverse control arm for mounting.
7. The rear suspension device for a rear drive electric vehicle according to claim 6, characterized in that: and the left rear transverse control arm and the right rear transverse control arm are connected and arranged in the middle of the control arm bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123432866.4U CN216467237U (en) | 2021-12-30 | 2021-12-30 | Rear suspension device for rear-drive electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123432866.4U CN216467237U (en) | 2021-12-30 | 2021-12-30 | Rear suspension device for rear-drive electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216467237U true CN216467237U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123432866.4U Active CN216467237U (en) | 2021-12-30 | 2021-12-30 | Rear suspension device for rear-drive electric vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117048265A (en) * | 2023-10-11 | 2023-11-14 | 宁波可挺汽车零部件有限公司 | Rear suspension drags arm mounting structure |
| US11884103B2 (en) * | 2022-05-24 | 2024-01-30 | Shanghai Linghuo Trading Co., Ltd. | Spring support device and vehicle having the same |
-
2021
- 2021-12-30 CN CN202123432866.4U patent/CN216467237U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11884103B2 (en) * | 2022-05-24 | 2024-01-30 | Shanghai Linghuo Trading Co., Ltd. | Spring support device and vehicle having the same |
| CN117048265A (en) * | 2023-10-11 | 2023-11-14 | 宁波可挺汽车零部件有限公司 | Rear suspension drags arm mounting structure |
| CN117048265B (en) * | 2023-10-11 | 2024-01-19 | 宁波可挺汽车零部件有限公司 | Rear suspension drags arm mounting structure |
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