Car rear axle semi-axis structure

Abstract

The invention relates to a half-shaft structure of an automobile rear axle, comprising a half-shaft and a half-shaft flange disc at the end; five vehicle wheel bolt holes are uniformly distributed on the half-shaft flange disc; meanwhile, the half-shaft flange is cut with a demising gap which gives a place to a brake soleplate; the invention is better provided with two demising gaps which are semiround gaps. By adopting the arrangement type of five bolts, the invention leads the driving force to be uniformly distributed on the five bolts, thus reducing the bearing force of each bolt, improving the service life of the vehicle wheel bolt and meeting the requirement of large load of the whole vehicle; furthermore, the invention is provided with two semiround troughs on the half-shaft flange, which provide assembly space for the installation of the brake soleplate, thus meeting the arrangement requirement of the braking system. Compared with other proposals, the invention has the advantage of low cost.

Description

technical field [0001] The invention belongs to the transmission and braking technology of automobiles, and in particular relates to the driving half shaft structure of automobiles. Background technique [0002] Existing automobile rear drive axle half-shaft structure all is to distribute four wheel bolt holes evenly on the half-shaft flange plate, install the wheel by sub-packing four wheel bolts, thereby power is transmitted to the wheel from the final drive. Since the bearing capacity of the layout of the four wheel bolts is limited, and the uniform distribution also has a certain impact on the layout of the brake system (for example, the central opening of the brake bottom plate is required to be large, which affects the adjustment structure of the rear brake and the brake shoe. Layout, etc.), thus affecting the layout of the vehicle. In addition, in the arrangement of the rear brake in the braking system, usually the opening in the middle of the rear brake bottom plate...

AI Technical Summary

Problems solved by technology

Since the bearing capacity of the layout of the four wheel bolts is limited, and the uniform distribution also has a certain impact on the layout of the brake system (for example, the central opening of the brake bottom plate is required to be large, which affects the adjustment structure of the rear brake and the brake shoe. Layout, etc.), thus affecting the layout of the vehicle

In addition, in the arrangement of the rear brake in the braking system, usually the opening in the middle of the rear brake bottom plate is very small, and there is no relief arrangement on the flange of the half shaft, which makes the installation of the brake bottom plate more inconvenient and difficult to install. It is well installed between the axle shaft and the rear axle housing. If other arrangements are used, it will increase the cost and affect the assembly

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