Automobile body rear force transmission structure and automobile
A back-up technology for the rear part of the car body, applied in the force transmission structure of the rear part of the car body and the automotive field, can solve the problems of increasing the weight of the whole vehicle, achieve the effects of reducing the weight of the car body, improving NVH performance and fatigue durability, and improving dynamic stiffness
Active Publication Date: 2021-02-09
GUANGZHOU AUTOMOBILE GROUP CO LTD
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is: for the existing car body structure based on the multi-link suspension structure, the improvement of NVH performance often needs to increase the frame beam structure and increase the weight of the whole vehicle, and to provide a force transmission structure at the rear of the car body and cars
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[0025] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0026] In the embodiment of the present invention, the left-right direction (Y direction) is the vehicle width direction, the front-rear direction (X direction) is the vehicle length direction, the up-down direction (Z direction) is the vehicle height direction, the inside indicates the direction pointing to the inside of the vehicle, and the outside indicates point in the direction outside the vehicle.
[0027] Such as Figure 1 to Figure 5 As shown, the rear force transmission structure of the vehicle body provided by the embodiment of the present invention includes r...
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The invention belongs to the technical field of automobile bodies, and relates to an automobile body rear force transmission structure and an automobile, and the automobile body rear force transmission structure comprises a rear suspension mounting piece, a rear wheel cover internal reinforcing plate, a rear wheel cover front joint, a rear wheel cover rear joint, a rear wheel cover external reinforcing plate, a rear wheel cover inner plate, a rear wheel cover outer plate and a rear longitudinal beam joint. According to the automobile rear force transmission structure, an H-shaped force transmission channel in the inner side covers the rear suspension stress area and dispersedly transmits force to the rear longitudinal beam joint, the rear floor cross beam, a spare tire pool cross beam andthe upper portion of the rear side wall, and the force transmission efficiency of the rear suspension area (especially a three-connecting-rod rear suspension area) is greatly improved; and the dynamicstiffness, the NVH performance and the fatigue durability of a rear shock absorber area are improved. The automobile body rear force transmission structure is suitable for an automobile model with asteel-aluminum hybrid automobile body matched with a three-connecting-rod rear suspension. Under the condition that a floor frame beam structure is not added, after the automobile body rear force transmission structure is adopted, the weight of the automobile body can be reduced by about 3 kg.
Description
technical field [0001] The invention belongs to the technical field of vehicle bodies, in particular to a force transmission structure at the rear of a vehicle body and an automobile. Background technique [0002] At present, there is basically no steel-aluminum hybrid body that matches the chassis structure of the three-link rear suspension, and most of them are based on the multi-link suspension structure. The body structure based on the multi-link suspension structure is expensive, and the improvement of NVH performance often requires the addition of a frame beam structure, which increases the weight of the vehicle, which is not conducive to lightweight. Contents of the invention [0003] The technical problem to be solved by the present invention is: for the existing car body structure based on the multi-link suspension structure, the improvement of NVH performance often needs to increase the frame beam structure and increase the weight of the whole vehicle, and to pro...
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IPC IPC(8): B62D21/11B62D25/16
CPCB62D21/11B62D25/163
Inventor 陈东游洁耿富荣杨万庆吴纯福
Owner GUANGZHOU AUTOMOBILE GROUP CO LTD
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