双滚动式自行车后轮支架

Double-rolling rear wheel stand of bicycle

  • Inventors: LIN ANJING
  • Assignees: 林安静
  • Publication Date: August 18, 1993
  • Publication Number: CN-2140339-Y

Abstract

The utility model discloses a supporting structure for rear wheel spindles of bicycles, which can save labor and can make riders ride bicycles easily. A rolling bearing is respectively added at openings at both sides of the rear part of a bicycle frame to make a rear spindle have two bearings. When a rider rides the bicycle, the rear shaft can rotate relative to the rear wheel and the bicycle frame, and the resistance force between the rear wheel and the rear shaft can be reduced efficiently through the free rotation of the rear shaft. The utility model with the advantages of simple manufacturing process, convenient use and low cost can improve the riding performance of the bicycle and reach the purposes of lightness and comfort by modifying the bicycle frame of an original bicycle a little.
本实用新型公开一种能够使自行车骑行时轻便 省力的自行车后轮轴支架结构,这种结构在车架后部 两侧开口处各加装一只滚动轴承,使后车轴具有双轴 承,骑行时后轴能相对后轮及车架转动,通过车轴的 自由转动能有效的减少车轮与车轴间的阻力,本实用 新型工艺简单、使用方便、成本低,只需对原自行车车 架做小的改动便可提高自行车的骑行性能,达到轻 便、舒适。

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