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Rear axle assembly of four-wheel motor cycle

A technology for motorcycles and rear axles, which is applied to axles, wheels, and vehicle components. It can solve the problems of high welding precision of locking lugs, high manufacturing cost of flat fork liners, abnormal noise of brake eccentric wear, etc., and achieve material saving. , simple structure and easy processing

Inactive Publication Date: 2010-04-21
LONCIN MOTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The invention also solves the problems of out-of-round hoop of the flat fork, high manufacturing cost of the liner of the flat fork, high welding precision of the locking lug, and abnormal noise of brake eccentric wear.

Method used

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  • Rear axle assembly of four-wheel motor cycle
  • Rear axle assembly of four-wheel motor cycle
  • Rear axle assembly of four-wheel motor cycle

Examples

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Embodiment Construction

[0035] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0036] see Figure 4 , four-wheeled motorcycle rear axle assembly of the present invention, it comprises flat fork, rear axle housing 5, rear axle 15, rear disc brake disc seat 16, rear disc brake support 8 and chain wheel seat 17. The flat fork includes two flat fork side tubes 1, a flat fork shaft tube 2 welded to the two ends of the two flat fork side tubes and a flat fork hoop 3 (see Figure 5 ). The rear axle housing 5 is located in the flat fork hoop 3 and is tightly held by the flat fork hoop. See Figure 5 , Image 6 and Figure 7 , the flat fork hoop 3 is changed from the original steel plate to the circular steel pipe by the molding machine and is processed in the axial direction on the circular steel pipe to have a pull-through gap for adjusting the degree of tightness. The flat fork hoop 3 is provided with two pairs of locking lugs 4, see ...

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Abstract

The invention relates to a rear axle assembly of a four-wheel motorcycle. A rear axle shell is arranged in a bottom fork anchor ear and hooped by the bottom fork anchor ear; a rear axle shaft passes through the rear axle shell; and a rear disk brake seat and a chain pulley seat are sleeved on the rear axle shaft and arranged at two ends of the rear axle shell and respectively tightly press bearings arranged at two ends of the rear axle shell. The rear axle shaft is provided with an adjusting nut for adjusting the pressing degree of the rear disk brake seat to the bearings; an elastic gasket is arranged between the rear disk brake seat and the adjusting nut; and a radial set screw is screwed on the adjusting nut and inserted in a circular groove arranged on the rear axle shaft. The adjusting nut realizes axial locking through the elastic gasket and the set screw; in addition, compared with the locking and locating way of the original opposite jacking nut, the locating of the structure is more reliable.

Description

technical field [0001] The invention relates to a four-wheel motorcycle, in particular to the rear axle assembly of the four-wheel motorcycle. Background technique [0002] Four-wheel motorcycle rear axle assembly includes flat fork, rear axle housing, rear wheel shaft, rear disc brake disc seat, rear disc brake bracket, sprocket seat, etc. The flat fork includes two flat fork side tubes 1, flat fork shaft tube 2. Flat fork hoop 3. There are two pairs of locking lugs 4 on the flat fork hoop 3. See figure 2 and image 3 . The rear axle housing includes a body 21, a bearing 22, an oil seal 23 and a spacer 24 (rear axle housing structure see figure 1 ), the rear axle housing is located in the flat fork hoop and is tightly held by the flat fork hoop, and the rear wheel shaft passes through the rear axle housing. The rear disc brake disc seat and the chain wheel seat are sheathed on the rear wheel shaft, and the rear disc brake disc seat and the chain wheel seat are tightly ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60B35/00B60T1/06B62K25/00
Inventor 冯仁川谭永中袁月
Owner LONCIN MOTOR
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