Control Arms and Double Wishbone Suspension

A technology for controlling arms and yokes, applied in suspension, transportation and packaging, cantilevers mounted on pivots, etc., can solve problems such as cost increase and resource waste

Active Publication Date: 2022-03-25
SHENZHEN AUTOMOTIVE RES INST BEIJING INST OF TECH (SHENZHEN RES INST OF NAT ENG LAB FOR ELECTRIC VEHICLES)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The double-wishbone suspension is usually developed and designed according to the needs of the vehicle. The geometry of the upper and lower control arms in the double-wishbone suspension affects the performance of the vehicle and is an extremely important parameter. The degree of change in parameters has an important impact, and when designing different models, the performance requirements and structural size parameters (such as vehicle width, etc.) of the vehicles are also different. At this time, it is necessary to develop different size requirements for different models. , the lower control arm to meet different needs, resulting in an increase in cost and waste of resources

Method used

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  • Control Arms and Double Wishbone Suspension
  • Control Arms and Double Wishbone Suspension
  • Control Arms and Double Wishbone Suspension

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] see figure 1 and figure 2 As shown, this embodiment provides a control arm 100 , which mainly includes: a connecting arm body 10 , a yoke body 20 , a length adjustment mechanism 30 , and a distance adjustment mechanism 40 . In order to clearly express the composition of each structure, figure 1 Use the dotted line frame to select the approximate range of the yoke body 20, the length adjustment mechanism 30, and the distance adjustment mechanism 40. The connecting arm body 10 is used to connect with the steering knuckle, and the yoke body 20 is used to connect with the vehicle frame. The distance between the connecting arm body 10 and the yoke body 20 can be adjusted by the length adjustment mechanism 30 to change the length of the control arm. , to meet the design requirements of different wheelbases in different models, the distance between the two arms in the yoke body 20 can be changed through the distance adjustment mechanism 40, so as to change the distance betw...

Embodiment 2

[0049] This embodiment provides a control arm. The only difference between the control arm 100 and the first embodiment is that a deformation groove is formed on the cylindrical extension wall 31 so that the cylindrical extension wall 31 can be deformed greatly. see image 3 and Figure 4 A deformation groove 311 penetrating through the thickness of the cylindrical extension wall 31 is opened on the wall body of the cylindrical extension wall 31 along the length direction of the cylindrical extension wall 31 . More specifically, a plurality of deformation grooves 311 can be provided on the cylindrical extension wall 31 , and after the locking sleeve 33 is sleeved on the outer wall of the cylindrical extension wall 31 , by locking the fastener 333 , the The cylindrical extension wall 31 can produce relatively large deformation, and can effectively lock the plug-in section.

Embodiment 3

[0051] The difference between this embodiment and Embodiment 1 and Embodiment 2 lies in the length adjustment mechanism and the distance adjustment mechanism. In this embodiment, the structures of the length adjustment mechanism and the distance adjustment mechanism are also the same. For the convenience of description, this embodiment The example only describes the structures of the length adjustment mechanism and the distance adjustment mechanism, and the same reference numerals are used to indicate the components of the length adjustment mechanism and the distance adjustment mechanism in the drawings.

[0052] see Figure 5 and Figure 6 as shown, Figure 5The approximate range of the middle fork arm body 20, the length adjustment mechanism 30, and the distance adjustment mechanism 40, the length adjustment mechanism 30 and the distance adjustment mechanism 40 all include: a connecting piece 34, which has a first connecting section 341 and a second connecting section 342 ...

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Abstract

A control arm and a double-wishbone suspension device, the control arm includes: a connecting arm body, a wishbone body, a length adjustment mechanism, and a distance adjusting mechanism; the connecting arm body has a steering knuckle connection end, and the wishbone body includes: a first arm and the second support arm; the length adjustment mechanism is used to make the connecting arm body and the first support arm close to or far away from each other to adjust the distance between the steering knuckle connection end and the first support arm; the distance adjustment mechanism is used to make the second support arm The support arm and the first support arm are close to or far away from each other, so as to adjust the distance between the first frame connection end and the second frame connection end. The distance between the connecting arm body and the yoke body is adjusted by the length adjustment mechanism, that is, the length of the control arm is changed to meet the design requirements of different wheelbases. The distance between the two arms in the yoke body can be changed by the distance adjustment mechanism. Spacing, that is, changing the spacing between the bushings connecting the two arms and the frame, so that the bushings can be adapted to the installation requirements of different car models.

Description

technical field [0001] The invention relates to the technical field of suspension devices, in particular to a control arm and a double-wishbone suspension device. Background technique [0002] At present, the suspension on the car usually adopts MacPherson suspension and double-wishbone suspension. Because the MacPherson suspension cannot provide enough support for the lateral direction of the vehicle, the phenomenon of steering roll and brake nodding is more obvious. It is difficult to achieve both comfort and handling. The double-wishbone suspension has better vehicle driving stability, anti-rolling and braking nodding capabilities, and is flexible in design. As the number and speed of automobile model development continue to increase, the requirements for the generalization and modularization of auto parts are getting higher and higher. [0003] The double-wishbone suspension is usually developed and designed according to the needs of the vehicle. The geometry of the up...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60G7/00
CPCB60G7/001B60G7/003B60G2200/10
Inventor 施国标韩冲孙惠春刘鑫旺曹景昭
Owner SHENZHEN AUTOMOTIVE RES INST BEIJING INST OF TECH (SHENZHEN RES INST OF NAT ENG LAB FOR ELECTRIC VEHICLES)
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