Rear flat fork

Abstract

The invention discloses a rear flat fork, which is formed by jointing the end part of a left side arm and the end part of a right side arm. The rear flat fork is characterized in that each of the end part of the left side arm and the end part of the right side arm is composed of a head part and a shoulder part, wherein a neck part is further arranged between the head part and the shoulder part; the sides of the head parts further can be exposed out of the side of the neck part; across the neck part, the edges of the shoulder parts are bulged upwards along arc-shaped curves, and downward extend towards the tail ends of the side arms in an inclined manner; and at the inner sides of the shoulder part bugles, parts of the shoulders are downwards sunken to form slopes which extend towards the sides of the shoulder parts in the inclined manner. According to the rear flat fork disclosed by the invention, the shoulder part of the left side arm and the shoulder part of the right side arm are bulged upwards, so that integral horizontal height of the rear flat fork can be improved, and the rear flat fork is prevented from colliding with other objects in a travelling process; and the inner sides of the shoulder part bulges form slopes which extend towards the sides of the shoulders in the inclined manner, so that the left shoulder part and the right shoulder part are combined to form a concave space, part of mounting space can be provided for a battery bin, and strength of the shoulders is not weakened as a result of the concave space through the bulges and the slopes.

Description

technical field [0001] The invention relates to a rear balancer and belongs to the technical field of IPC classification No. B62K11 / 02. Background technique [0002] The rear balance fork is one of the main components of the frame used to fix the rear motor wheels and connect the motor wheel shafts of motorcycles, electric vehicles and other vehicles. It is indispensable, usually U-shaped, shaped like a fork, structurally There are welded type and one-piece type, but the appearance of welding is not beautiful enough, and the strength is not large. Therefore, mid-to-high-end motorcycles or electric vehicles adopt rear balancer forks integrally formed of alloy materials. [0003] The end of the connecting pipe in the existing welded rear fork is flush with the ends of the left and right pipes, and the distance between the left pipe and the right pipe is limited, making the connection position narrow, which is not easy to apply in On a wide frame with a large load-bearing capa...

AI Technical Summary

Problems solved by technology

[0003] The end of the connecting pipe in the existing welded rear fork is flush with the ends of the left and right pipes, and the distance between the left pipe and the right pipe is limited, making the connection position narrow, which is not easy to apply in On a wide frame with a large load-bearing capacity, it is easy to deform and vibrate greatly, and the integrated one is as shown in the attached drawing of the manual. Figure 1 to Figure 3 The shown rear fork includes a left side plate A, a right side plate B and an axis C connecting the ends of the left side plate A and the right side plate B together. 1. The ends of the right panel B are n

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