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Torsion beam bushing

A torsion beam and bushing technology, which is applied to the cantilever mounted on the pivot, suspension, transportation and packaging, etc., can solve the problems of high cost and limited improvement of axial stiffness, and achieve high axial stiffness and lift shaft effect on stiffness

Active Publication Date: 2019-10-01
ZHEJIANG GEELY HOLDING (GROUP) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

but figure 1 The traditional torsion beam shown has a stiffness range of 250-600N / mm, and its axial stiffness is limited
In order to further improve the axial stiffness of the vehicle, it is generally possible to increase the axial stiffness of the vehicle body or to increase the axial stiffness of the torsion beam, but since the structure of the vehicle body or torsion beam needs to be changed, the cost of these two solutions is too high

Method used

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Embodiment Construction

[0018] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0019] Such as figure 2 As shown, the torsion beam bushing according to an embodiment of the present invention includes an inner core 1 , a rubber part 2 and an outer tube 3 .

[0020] The inner core 1 is made of metal material, and includes a hollow cylindrical body part 13 and flanges 12 extending radially outward from the four corners of the body part 13 . The hollow part of the main body part 13 is a through hole 11, and the through hole 11 is used for passing a bolt to fix the torsion beam bushing in the torsion beam. The flange 12 is axisymmetric with the central axis of the through hole 11 as an axis.

[0021] The rubber part 2 is wrapped around the outer side o...

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Abstract

The invention provides a torsion beam bushing. The torsion beam bushing comprises an inner core, a rubber member and an outer tube. The inner core is externally wrapped with the rubber member. The rubber member is externally wrapped with the outer tube. The four corners of the inner core are provided with flanges. The rubber member is axially wrapped with the flanges. Since the four corners of theinner core are provided with the flanges, part of the rubber member is axially and externally wrapped with the flanges, the axial rigidity of the torsion beam bushing is higher than that of conventional torsion beam bushings, and thus the complete vehicle axial rigidity is effectively improved.

Description

technical field [0001] The invention relates to the field of automobiles, in particular to a torsion beam bushing. Background technique [0002] The torsion beam bushing is a structure set in the torsion beam of the car, which is used to dampen the shock of the car and make passengers feel more comfortable. Such as figure 1 As shown, the traditional torsion beam bushing generally includes a hollow cylindrical metal inner core 1a, rubber 2a wrapped outside the inner core 1a, and a metal outer tube 3a wrapped outside the rubber 2a. Through the cooperation between the inner core 1a made of metal, the outer tube 3a, and the rubber 2a, the axial stiffness of the torsion beam can be indirectly increased, so as to exert a shock-absorbing effect on the vehicle. but figure 1 The conventional torsion beam shown has a stiffness range of 250-600 N / mm, and its axial stiffness has limited improvement. In order to further improve the axial stiffness of the vehicle, it is generally poss...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60G7/04
CPCB60G7/04
Inventor 曹明华阚爱梅吴建兵骆贤宗葛松沙留业秦艳超
Owner ZHEJIANG GEELY HOLDING (GROUP) CO LTD