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Suspension system of automobile and automobile having same

A suspension system and automobile technology, applied in the field of vehicles, can solve the problems of high maintenance and protection costs, complex power source structure, etc., and achieve the effect of simple structure, small space occupation and easy maintenance

Active Publication Date: 2020-02-04
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structure of the power source used by the existing electronically controlled suspension system is very complicated, which requires regular replacement and high maintenance and protection costs

Method used

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  • Suspension system of automobile and automobile having same
  • Suspension system of automobile and automobile having same
  • Suspension system of automobile and automobile having same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0091] Such as Figure 4 and Figure 5 As shown, the suspension system 1000 according to the embodiment of the present invention includes: a shock absorber 1 , a spring assembly 2 , a locking device 3 , a ball screw 4 and a driving motor 5 . Wherein, the shock absorber 1 includes a shock absorber cylinder 10 and a main shaft 11 telescopically arranged in the shock absorber cylinder 10 .

[0092] The spring assembly 2 includes an upper tray 20, a lower tray 21 and a damping spring 22. The upper tray 20 is fixed on the end of the main shaft 11 protruding from the shock absorber cylinder 10, and the upper tray 20 is suitable for being fixed on the body of the automobile. The lower tray 21 is overlaid on the shock absorber cylinder 10 and can move vertically relative to the shock absorber cylinder 10, the shock absorber 22 is overcoated on the shock absorber 1 and the two ends of the shock absorber 22 are respectively fixed on the upper tray 20 And on the lower tray 21. Of cour...

Embodiment 2

[0118] In this embodiment, the difference from the above-mentioned embodiment 1 is that the structure of the locking device 3 is different. Wherein the locking device 3 includes an unlocking motor 30, a locking assembly 31 and a second deceleration assembly 32, the unlocking motor 30 is arranged on one side of the self-locking sleeve 311 and the unlocking motor 30 can be fixed on the shock absorber cylinder 10 through a connecting frame superior. That is to say, the relative movement between the unlocking motor 30 and the lower tray 21 , in order to avoid interference between the lower tray 21 and the unlocking motor 30 , the position of the lower tray 21 corresponding to the unlocking motor 30 is provided with an avoidance hole 210 .

[0119] The locking assembly 31 includes a self-locking sleeve 311 , a self-locking piece 312 and a support piece 313 . The support member 313 is a thrust bearing, the lower cover of the thrust bearing is fixed on the shock absorber cylinder 10...

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PUM

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Abstract

The invention discloses a vehicle suspension system and a vehicle provided with the vehicle suspension system. The suspension system comprises a damper, a spring assembly, a locking device, a ball screw and a driving motor, wherein the spring assembly comprises an upper tray, a lower tray and a damping spring; the locking device comprises a driver and a locking assembly, the locking assembly cooperates with a damper cylinder and the lower tray, and the driver cooperates with the locking assembly to position the lower tray or release positioning for the lower tray through the locking assembly;the ball screw comprises a screw and a nut, the screw is arranged on the damper cylinder, the nut moves vertically relative to the screw, and the nut cooperates with the lower tray to drive the lowertray to move vertically; and the driving motor is arranged on the damper cylinder and cooperates with the ball screw through a transmission mechanism to drive the nut to move relative to the screw. The vehicle suspension system according to the embodiment of the invention is simple and compact in structure, small in occupied space and convenient to maintain, and accessories do not need to be replaced regularly, so that the use cost is reduced.

Description

technical field [0001] The invention relates to the field of vehicles, in particular to an automobile suspension system and an automobile with the suspension system. Background technique [0002] People pay more and more attention to the handling and comfort of automobiles, and the vehicle suspension system plays a vital role in the handling and comfort of automobiles. Suspension is the general term for all force transmission connection devices between the body and the wheels. It is mainly composed of springs (such as leaf springs, coil springs, torsion bar springs, etc.), shock absorbers and guiding mechanisms. When the car is running on different roads, since the suspension system realizes the elastic support between the body and the wheels, the vibration of the body and the wheels is effectively reduced to ensure the normal driving of the car. At the same time, it also causes phenomena such as pitching, nodding and rolling of the car body when the car starts, brakes, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60G17/015
CPCB60G17/0157B60G2500/30
Inventor 周志榜李伟伟
Owner BYD CO LTD