用于自行车曲柄的嵌入式螺母

Embedded screw nut for bicycle cranks

  • Inventors: SHENGYUAN LIN
  • Assignees: 林胜源
  • Publication Date: March 02, 2005
  • Publication Number: CN-2681990-Y

Abstract

The utility model relates to an embedded screw nut for the bicycle crank comprising two sheathing components of ring shape in assembling. The screw is positioned on the gearwheel plate end or the pedal end of the bicycle crank of compound material and is used for connecting the gearwheel plate or the pedal of the bicycle. The two sheathing components of the embedded screw nut are respectively plugged from the two ends of the crank open holes and assemble the embedded screw nut by sheathing and also the embedded screw nut is fixed on the crank by adhering connection method. The embedded screw nut structure of the utility model can be fixed and positioned after the crank of the compound material is formed and thus the quality rate of the product can be effectively improved.
本实用新型是一种用于自行车曲柄的嵌入式螺母,此嵌入式螺母由两个环状套接组件组合而成,装设于复合材质的自行车曲柄的齿轮盘端或踏板端,用以连接自行车齿轮盘或踏板,此嵌入式螺母的两套接组件分别由曲柄开孔两端插入,再套接组合成嵌入式螺母,并将此嵌入式螺母以贴合的方式固定于曲柄上。本实用新型的嵌入式螺母结构可于复合材质的曲柄形成后,再进行装设与固定,故能有效地提升产品合格率。

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