CN216185519U

CN216185519U - Suspension system of vehicle and vehicle

Info

Publication number: CN216185519U
Application number: CN202122435101.XU
Authority: CN
Inventors: 马先进; 窦德海; 季红丽; 曹兵
Original assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Geely New Energy Commercial Vehicle Group Co Ltd; Geely Sichuan Commercial Vehicle Co Ltd; Jiangxi Geely New Energy Commercial Vehicle Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Geely New Energy Commercial Vehicle Group Co Ltd; Geely Sichuan Commercial Vehicle Co Ltd; Jiangxi Geely New Energy Commercial Vehicle Co Ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-04-05
Anticipated expiration: 2031-10-08

Abstract

The utility model provides a suspension system of a vehicle and the vehicle, and relates to the technical problem of a vehicle chassis. The vehicle comprises a frame and a vehicle body floor, wherein the vehicle body floor is arranged on the frame, the suspension system comprises a motor, and the motor is directly connected with the vehicle body floor. The utility model is equivalent to directly connecting the motor to the floor of the vehicle body, and avoids the extra required space between the motor and the floor of the vehicle body due to the dynamic disturbance of the suspension, thereby properly reducing the height of the floor of the vehicle body and further increasing the volume of a container.

Description

Suspension system of vehicle and vehicle

Technical Field

The utility model relates to the technical field of vehicle chassis, in particular to a suspension system of a vehicle and the vehicle.

Background

With the rapid development of national new energy automobiles, the market demand of new energy logistics automobiles is increasing day by day, and van-type new energy logistics automobiles which are good in trafficability and capable of running quickly by pulling are urgently demanded in the market. The traditional fuel vehicle adopts an arrangement mode of a coaxial drive rear axle, the height of a vehicle body, the ground clearance, the height of a floor and the volume of a container need to be mutually compromised, and the four methods cannot obtain excellent data indexes at the same time. At present, new energy vehicle types in the market also mostly adopt an arrangement mode of integrating a motor and a rear axle into a whole, and the structural limitation exists. Under the conditions of vehicle height and limited ground clearance, in order to ensure the dynamic deflection of the suspension, a larger container volume cannot be obtained by reducing the floor height necessarily.

The common rear electric drive axle arrangement structure form in the existing market is characterized in that the motor is arranged on the axle and jumps along with the suspension, and the jumping quantity of the suspension cannot be sacrificed in order to ensure the dynamic performance of the chassis. Therefore, the height of the vehicle body floor cannot be continuously reduced, and the volume of the cargo box cannot be further increased under the condition that the strategy of limiting the height and the width of the vehicle is satisfied.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a suspension system of a vehicle, which solves the technical problem that the volume of a cargo box cannot be increased by reducing the floor height of a vehicle body in the prior art.

It is a further object of the first aspect of the present invention to further reduce the vehicle body floor height.

It is an object of a second aspect of the present invention to provide a vehicle having the above suspension system.

According to an object of a first aspect of the present invention, there is provided a suspension system of a vehicle, the vehicle including a frame and a vehicle body floor provided on the frame, the suspension system including a motor directly connected to the vehicle body floor.

Optionally, the motor has two driving half shafts, and the two driving half shafts are positioned on one side of the two longitudinal beams of the vehicle frame, which faces the bottom of the vehicle, and extend along the transverse direction of the vehicle;

one end of each driving half shaft exceeds one side of the corresponding longitudinal beam far away from the center of the vehicle body, and the suspension system further comprises:

and the two brake assemblies are respectively arranged at two ends of the two driving half shafts.

Optionally, the method further comprises:

the two mounting seats are arranged in one-to-one correspondence with the two brake assemblies, and the two driving half shafts respectively penetrate through the two mounting seats and are rotationally connected with the two mounting seats;

two leaf springs, with two stopper assemblies one-to-one sets up and follows the longitudinal arrangement of vehicle, the center of every leaf spring is connected with the mount pad that corresponds, and the both ends of every leaf spring all are connected with the longeron that corresponds, and the one side at the longeron center of keeping away from at every leaf spring setting.

Optionally, the vehicle further comprises two rear wheel covers, the suspension assembly further comprising:

and the two vibration absorbers are arranged in one-to-one correspondence with the two mounting seats, one end of each vibration absorber is connected with the corresponding mounting seat, and the other end of each vibration absorber is connected with the corresponding rear wheel cover.

Optionally, the method further comprises:

and the two limiting blocks are arranged in one-to-one correspondence with the two longitudinal beams and are respectively arranged on one side of the corresponding longitudinal beam, which is far away from the center of the automobile body.

Optionally, the mounting points of the two shock absorbers and the two rear wheel covers are close to the tops of the two rear wheel covers.

According to an object of a second aspect of the present invention, there is also provided a vehicle equipped with the suspension system described above.

Optionally, the two lateral sides of the vehicle body floor respectively exceed one side of the corresponding longitudinal beam away from the center of the vehicle body.

Optionally, the vehicle body floor is provided with openings along the two lateral sides, and the two rear wheel covers are respectively disposed at the two openings.

Optionally, the method further comprises:

and the two ends of the axle are respectively connected with the two mounting seats.

The vehicle comprises a frame and a vehicle body floor, wherein a floor vehicle body is arranged on the frame, and the suspension system comprises a motor which is directly connected with the vehicle body floor. The utility model is equivalent to directly connecting the motor to the floor of the vehicle body, and avoids the extra required space between the motor and the floor of the vehicle body due to the dynamic disturbance of the suspension, thereby properly reducing the height of the floor of the vehicle body and further increasing the volume of a container.

Furthermore, the two leaf springs and the two brake assemblies are arranged in a one-to-one correspondence mode and are arranged along the longitudinal direction of the vehicle, the center of each leaf spring is connected with the corresponding mounting seat, two ends of each leaf spring are connected with the corresponding longitudinal beam, and each leaf spring is arranged on one side, far away from the center of the vehicle body, of the corresponding longitudinal beam. Compared with the technical scheme that the plate springs are arranged below the longitudinal beams in the prior art, the height of the floor of the vehicle body can be further reduced, and therefore the volume of the cargo box is further increased.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the utility model will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is a schematic block diagram of a suspension system of a vehicle according to one embodiment of the present invention;

FIG. 2 is a schematic connection diagram of a suspension system to a floor according to one embodiment of the present invention.

Reference numerals:

100-a suspension system, 200-a longitudinal beam, 300-a vehicle body floor, 400-a rear wheel cover, 10-a motor, 11-a driving half shaft, 20-a brake assembly, 30-a mounting seat, 40-a vehicle axle, 50-a leaf spring, 60-a shock absorber and 70-a limiting block.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

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

Fig. 1 is a schematic structural view of a suspension system 100 of a vehicle according to an embodiment of the present invention, and fig. 2 is a schematic connection diagram of the suspension system 100 and a vehicle body floor 300 according to an embodiment of the present invention. As shown in fig. 1 and 2, in a specific embodiment, a vehicle includes a frame and a body floor 300, the body floor 300 is disposed on the frame, a suspension system 100 of the vehicle includes a motor 10, and the motor 10 is directly connected to the body floor 300. Here, in the prior art, the motor 10 is connected to the axle, or the motor 10 and the vehicle body floor 300 are connected together through a connecting bracket with a certain distance therebetween. In the present application, the motor 10 and the vehicle body floor 300 are directly connected without any other mechanism.

This embodiment is equivalent to directly connecting the motor 10 to the vehicle body floor 300, and avoids the additional space required between the motor 10 and the vehicle body floor 300 due to suspension disturbance, so that the height of the vehicle body floor 300 can be appropriately reduced, and the volume of the cargo box is increased.

In this embodiment, the motor 10 has two drive half shafts 11, and the two drive half shafts 11 are located on the side of the two longitudinal beams 200 of the vehicle frame facing the bottom of the vehicle and extend in the lateral direction of the vehicle. One end of each drive half shaft 11 exceeds the side of the corresponding longitudinal beam 200 away from the center of the vehicle body, and the suspension system 100 further includes two brake assemblies 20 respectively disposed at both ends of the two drive half shafts 11. Corresponding to two brake assemblies 20 disposed on the left and right sides of the two longitudinal beams 200.

Further, the suspension system 100 further includes two mounting seats 30 and two leaf springs 50, wherein the two mounting seats 30 are disposed in one-to-one correspondence with the two brake assemblies 20, and the two driving half shafts 11 respectively penetrate through the two mounting seats 30 and are rotatably connected with the two mounting seats 30. The two leaf springs 50 are arranged in one-to-one correspondence with the two brake assemblies 20 and arranged in the longitudinal direction of the vehicle, the center of each leaf spring 50 is connected with the corresponding mounting seat 30, both ends of each leaf spring 50 are connected with the corresponding longitudinal beam 200, and each leaf spring 50 is arranged on one side of the corresponding longitudinal beam 200, which faces the corresponding brake assembly 20 and is far away from the center of the vehicle body. This embodiment is equivalent to disposing the two leaf springs 50 on the side edges of the two side members 200, that is, on the left and right sides of the two side members 200, respectively, and compared with the prior art in which the leaf springs 50 are disposed below the side members 200, the height of the vehicle body floor 300 can be further reduced, thereby further increasing the volume of the cargo box.

In a preferred embodiment, the vehicle further includes two rear wheel covers 400, and the suspension assembly further includes two shock absorbers 60 disposed in one-to-one correspondence with the two mounting seats 30 and each shock absorber 60 has one end connected to the corresponding mounting seat 30 and the other end connected to the corresponding rear wheel cover 400. Here, the connection point of the damper 60 to the mount 30 is located above the connection point of the plate spring 50 to the mount 30. Compared with the prior art in which the shock absorber 60 is connected to the side member 200, the height of the vehicle body floor 300 can be further reduced, and the volume of the cargo box can be enlarged. It is understood that this embodiment, which arranges the shock absorber 60 outside the side member 200, with the lower point arranged above the leaf spring 50 and the upper point arranged on the rear wheel house 400, circumvents the problem of low ground clearance caused by the arrangement of the shock absorber 60 on the side of the side member 200 and below the vehicle body floor 300.

In this embodiment, the mounting points of the two shock absorbers 60 to the two rear wheel houses 400 are near the tops of the two rear wheel houses 400. It will be appreciated that by providing higher mounting points for shock absorbers 60 on rear wheel covers 400, the distance that the vehicle body floor 300 moves down is greater, thereby increasing the volume of the cargo box even more.

Further, the suspension system 100 further includes two limiting blocks 70, which are disposed in one-to-one correspondence with the two longitudinal beams 200 and are respectively disposed on the sides of the corresponding longitudinal beams 200 away from the center of the vehicle body. In this embodiment, the stopper 70 is mounted on the longitudinal beam 200, and can effectively absorb the impact force of the axle 40, thereby reliably preventing the axle 40 from directly colliding with the longitudinal beam 200, and playing a role in stopping.

According to the embodiment, the plate spring 50, the limiting block 70 and the shock absorber 60 are all arranged on the outer side of the longitudinal beam 200, the jumping track of the axle 40 is avoided, the gap between the longitudinal beam 200 and the axle 40 is increased, the descending space of the longitudinal beam 200 is further provided, the height of the vehicle body floor 300 can be close to 50mm along with descending, and therefore the container volume is increased.

The present invention also provides a vehicle equipped with the suspension system 100 described above. A detailed description of suspension system 100 is not necessary here.

In this embodiment, both lateral sides of the vehicle body floor 300 respectively exceed the sides of the corresponding side members 200 away from the center of the vehicle body. Further, the vehicle body floor 300 is provided with openings on both lateral sides, respectively, and the two rear wheel houses 400 are provided at the two openings, respectively, so that the width of the vehicle in the lateral direction can be reduced.

Further, the vehicle further includes an axle 40, and both ends of the axle 40 are respectively connected to the two mounting seats 30.

The embodiment is equivalent to three improvement points, wherein the first is that the motor 10 is connected with the vehicle body floor 300 of the vehicle, so that the unsprung mass is reduced, the smoothness of the whole vehicle is facilitated, and the descending space of the vehicle body floor 300 is provided; secondly, the mounting positions of the limiting blocks 70 and the plate springs 50 are adjusted to the outer side of the longitudinal beam 200, so that the problem of jumping interference or insufficient gap between the axle 40 and the longitudinal beam 200 is solved, and a descending space of the vehicle body floor 300 is provided; thirdly, the shock absorber 60 is arranged on the outer side of the longitudinal beam 200, and the upper end of the shock absorber is arranged on the rear wheel cover 400, so that the Z-direction space requirement of the shock absorber 60 is increased, and the problem of insufficient ground clearance in the traditional arrangement mode is solved.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the utility model may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the utility model. Accordingly, the scope of the utility model should be understood and interpreted to cover all such other variations or modifications.

Claims

1. A suspension system of a vehicle, characterized in that the vehicle comprises a frame and a body floor, the body floor being arranged on the frame, the suspension system comprising an electric motor, the electric motor being directly connected with the body floor.

2. The suspension system according to claim 1, wherein the motor has two drive half shafts, each located on one side of two longitudinal beams of the frame facing the bottom of the vehicle and extending in the transverse direction of the vehicle;

3. The suspension system of claim 2, further comprising:

4. The suspension system of claim 3, wherein the vehicle further comprises two rear wheel covers, the suspension system further comprising:

5. The suspension system of claim 2, further comprising:

6. The suspension system of claim 4,

the mounting points of the two shock absorbers and the two rear wheel covers are close to the tops of the two rear wheel covers.

7. A vehicle, characterized in that the vehicle is equipped with a suspension system according to any one of claims 1 to 6.

8. The vehicle of claim 7,

and the two transverse sides of the floor of the vehicle body respectively exceed one side of the corresponding longitudinal beam far away from the center of the vehicle body.

9. The vehicle of claim 8,

the vehicle body floor is provided with openings along the two transverse sides respectively, and the two rear wheel covers of the vehicle are arranged at the two openings respectively.

10. The vehicle of claim 7, further comprising:

and two ends of the axle are respectively connected with the two mounting seats of the suspension system.