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Flywheel structure

A technology of flywheel and joint area, which is applied in vehicle gearboxes, chain/belt transmissions, transportation and packaging, and can solve problems such as technical difficulties and increased manufacturing costs

Inactive Publication Date: 2013-04-10
SUN RACE STURMEY ARCHER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although this method overcomes the shortcoming that the support arm is easily hindered or rubbed against the spoke line, however, because the front and rear sides of the end of the support arm need to be combined with the toothed disc, the front and rear sides of the support arm need to be fixed. Precision machining leads to an increase in technical difficulty and manufacturing cost, but there is still room for further improvement

Method used

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Embodiment Construction

[0043] In order to have a further introduction to the features, purposes and functions of the present invention, the detailed description is as follows in conjunction with the accompanying drawings:

[0044] see Figure 1 to Figure 4 , which discloses a first embodiment of the flywheel structure 20 of the present invention. in, figure 1 It is a schematic cross-sectional view of the first embodiment of the flywheel structure 20 of the present invention in an assembled state; figure 2 It is an exploded perspective view of the first embodiment of the flywheel structure 20 of the present invention; image 3 It is a three-dimensional exploded view of the first and second chainrings 21, 22 and the fixing seat 40 in the first embodiment of the flywheel structure 20 of the present invention; Figure 4 It is a three-dimensional schematic view of the first embodiment of the flywheel structure 20 of the present invention when it is assembled on the axle 13 of the bicycle rear wheel. ...

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Abstract

The invention discloses a flywheel structure suitable for a bicycle. The flywheel structure comprises a fluted disc, a second fluted disc positioned on one side of the first fluted disc and a fixing seat positioned on one side of the second fluted disc far from the first fluted disc, wherein the fixing seat comprises an annular body and a plurality of supporting claws extending outwards from the annular body along a radial direction; the surface of one side of each supporting claw close to the second fluted disc is provided with a first combination area and a second combination area; and the first and second fluted discs are positioned on the same side of the fixing seat, the first fluted disc is fixed in the first combination area, and the second fluted disc is fixed in the second combination area, so that the first and second fluted discs and the fixing seat are combined and fixed into a whole. In addition, the thickness of the first combination area is greater than that of the second combination area in an axis direction.

Description

technical field [0001] The invention relates to a flywheel structure, in particular to a flywheel structure which is combined and supported by a fixed seat and is suitable for a bicycle flywheel set. Background technique [0002] With the rise of people's awareness of environmental protection, LOHAS, fitness, and the depletion of natural resources, more and more people use bicycles that have the advantages of no pollution, no consumption of natural resources, and exercise and fitness to replace energy-consuming and heavy-duty bicycles. Polluting steam and locomotives. Correspondingly, people's requirements for bicycle performance are getting higher and higher. Therefore, the number of gear chainrings for variable speed bicycles, especially the number of flywheel chainrings, has gradually increased from 5 to 6 in the past to 7 now. to 10 tablets. In the case of limited space for the flywheel set, how to design a simple, space-saving, easy-to-assemble, low-cost, and structur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62M9/10
Inventor 蔡明志高旻圣
Owner SUN RACE STURMEY ARCHER