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Mounting structure for screw spring of suspension device

A coil spring and suspension device technology, applied in suspension, elastic suspension, transportation and packaging, etc., can solve problems such as deterioration of driving performance such as vehicle handling stability, damage to suspension characteristics, and changes in characteristics of coil springs, etc., to achieve Reduces deformation, improves support rigidity, and roughly equalizes left and right characteristics

Inactive Publication Date: 2008-03-05
MAZDA MOTOR CORP
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Problems solved by technology

[0008] However, due to the influence of the vehicle body frame, the rigidity of the spring seat is different between the biased part and the non-biased part. There is a risk that the characteristics of the coil spring will change greatly due to the connection with the non-biased part.
[0009] In this way, when the characteristics of the coil spring change with the abutting portion of the installation positioning part and the spring seat, the suspension characteristics of the suspension device set to the same left and right characteristics are destroyed, and the steering stability of the vehicle, etc. The problem of deteriorating performance

Method used

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  • Mounting structure for screw spring of suspension device
  • Mounting structure for screw spring of suspension device
  • Mounting structure for screw spring of suspension device

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Embodiment Construction

[0039] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0040] FIG. 1 is an overall perspective view of a rear suspension device 1 according to the first embodiment.

[0041] The rear suspension device 1 of this embodiment is a torsion beam type suspension device.

[0042] Specifically, the suspension device 1 includes a pair of left and right suspension trailing arms (rocking members) 2, 2 extending in the front-rear direction of the vehicle; A bridge (axlebeam) 3 connecting the suspension trailing arms 2 and 2; a pair of rocker bushings (arm bushes) 4 and 4 arranged at the front of the suspension trailing arms 2 and 2 and pivotally supported on the left and right sides of the vehicle body ; a pair of left and right coil springs 5, 5 installed on the rear inner side of the suspension trailing arms 2, 2; a pair of left and right shock absorbers (shock absorber) 6, 6 installed at the rear ends of the s...

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Abstract

In the coil spring installation structure of the suspension device according to the present invention, the abutting parts of the left and right coil springs with respect to the upper spring seat are approximately bilaterally symmetrical with respect to the central position in the vehicle width direction, so that the supporting rigidity of the left and right upper spring seats tends to be lower. on equal footing. The driving performance of the vehicle can be improved by adopting the invention.

Description

technical field [0001] The invention relates to a coil spring installation structure of a vehicle suspension device, in particular to a coil spring installation structure in which the coil spring is installed on the lower part of the vehicle body frame. Background technique [0002] Conventionally, in order to support a vehicle body and absorb road impacts, a suspension device of a vehicle is provided with a coil spring extending in the vertical direction. [0003] For example, Japanese Patent Laid-Open Publication No. 2000-335219 (hereinafter referred to as Patent Document 1) discloses that a coil spring (coil spring) and a shock absorber (shock absorber) separately set coil spring installation structure. [0004] If the coil spring is installed separately from the shock absorber, the coil spring does not need to be installed above the shock absorber, thereby ensuring a larger rear luggage room space and improving the efficiency of vehicle component installation. [0005]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60G11/16
Inventor 日下勇树原田一夫
Owner MAZDA MOTOR CORP
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