A rear wheel axle structure and installation method
A rear wheel axle and rear wheel technology, applied in the field of motorcycle parts, can solve the problems of complex process, difficult to ensure the verticality of the processing pressure surface and the long axis axis, and great influence, and achieves simple production process, small clearance, and reduced bolt length. Effect
Active Publication Date: 2022-02-18
ZHEJIANG CFMOTO POWER CO LTD
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Problems solved by technology
[0003] As far as the existing technology is concerned, the traditional rear axle adopts the method of upsetting the bolt head with a solid shaft and a head, that is, the hexagonal head axle, and the axial limit of the hexagonal head axle is realized by pressing the adjustment block; and the adjustment block Symmetrical design, only suitable for a single model
[0004] The hexagonal head axle needs to be finely machined. It is not easy to guarantee the verticality of the processing surface and the axis of the long axis, and the process is complicated; and the adjustment block and the wheel axle are clearance fit, and the adjustment block and the rear rocker chute are also clearance fit. For the hexagon head axle The diameter and straightness machining accuracy put forward high requirements
When changing the number of teeth of the sprocket (number of teeth T±2) to adjust the power performance, it will cause the increase and decrease of the center distance (according to the current 520 525 specification chain) ± 8mm, which has a great impact
Method used
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Embodiment Construction
[0029] The core of this specific embodiment is to provide a rear wheel shaft structure, which improves the rear wheel shaft, simplifies the manufacturing process, and solves the current problems in this field.
[0030] Hereinafter, an embodiment will be described with reference to the drawings. In addition, the examples shown below do not limit the content of the invention described in the claims in any way. In addition, all the contents of the configurations shown in the following embodiments are not limited to be essential to the solutions of the invention described in the claims.
[0031] Please refer to figure 1 and figure 2 , the rear wheel shaft structure provided in this specific embodiment includes a rear wheel shaft 1, a rear rocker arm 2, a sprocket seat assembly 3, a rear wheel rim assembly 4, a rear wheel right bushing 5, a caliper bracket 6, and a right adjustment block 7 assembled in sequence And wheel shaft fastening nut 8, also includes the fastener that is...
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The invention discloses a rear wheel axle structure and an installation method. The rear wheel axle structure comprises a rear wheel axle, a rear rocker arm, a sprocket seat assembly, a rear wheel rim assembly, a rear wheel right bushing, a caliper bracket, a right adjusting block and a wheel axle assembled in sequence. The tightening nut also includes fasteners used to limit the front and rear of the rear wheel rim assembly; the rear wheel shaft is an integrally formed pipe material structure, and the left end of the rear wheel shaft is fixed with a left adjustment block. The above-mentioned rear axle adopts an integrally formed tube structure, the production process is simple, and the straightness of the finished product is good; compared with the traditional solid shaft, a larger diameter tube shaft can be used under the same quality, and the bearing strength is better. Therefore, the rear wheel axle structure proposed by the present invention improves the rear wheel axle, simplifies the manufacturing process, and solves the difficult problems in this field at the present stage.
Description
technical field [0001] The invention relates to the technical field of motorcycle parts, and more specifically relates to a rear axle structure and an installation method. Background technique [0002] In recent years, with the continuous development of large-displacement motorcycles, the selection of motorcycle axles is increasingly inclined to the choice of large diameter and light weight, and at the same time, the feasibility of the production process needs to be considered. [0003] As far as the existing technology is concerned, the traditional rear axle adopts the method of upsetting the bolt head with a solid shaft and a head, that is, the hexagonal head axle, and the axial limit of the hexagonal head axle is realized by pressing the adjustment block; and the adjustment block Symmetrical design, only suitable for a single model. [0004] The hexagonal head axle needs to be finely machined. It is not easy to guarantee the verticality of the processing surface and the ...
Claims
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IPC IPC(8): F16C3/02F16D1/06F16H57/00B60B37/10
CPCF16C3/02F16D1/06F16H57/0037B60B37/10
Inventor 陈志勇徐哲明
Owner ZHEJIANG CFMOTO POWER CO LTD