Steering apparatus for vehicles

Steering apparatus for vehicles

  • CN 101,890,993 B
  • Filed: 05/21/2010
  • Issued: 04/08/2015
  • Est. Priority Date: 05/22/2009
  • Status: Active Grant
First Claim
Patent Images

1. a steering apparatus for vehicles, comprising:

  • stem, and its top has the negative thread extended along axis direction, and is pivotally arranged in head tube by upper and lower bearing;

    Sealing element, it covers head bearing from top;

    Underbeam, it is arranged on the lower end of described stem;

    Upper beam, it has the stem patchhole inserted for described stem, and has the folding clamping mechanism that can change described stem patchhole diameter;

    Tie bolt, after the top described upper beam being installed to described head tube, makes this tie bolt be connected with described negative thread, it is characterized in that,Have between the head and threaded portion of described tie bolt can and described stem patchhole be fitted together to stage portion,Make described stem by upper and lower bearing through described head tube, and make the upper end of described stem insert in described upper beam, described tie bolt is screwed in described negative thread, thus predetermincd tension is applied to described bearing, in this condition, the diameter of stem patchhole is reduced by described folding clamping mechanism, the inner peripheral surface of this stem patchhole is made to form clamping to the outer peripheral face of described stem and described stage portion respectively, thus described upper beam is fixed in described stem and described stage portionDescribed in the ratio of the external diameter setting of the described stage portion of described tie bolt, the external diameter of stem is little, applying radial compression force, reaching consistent after its external diameter is diminished with the external diameter of described stage portion by tightening described folding clamping mechanism to described stem.

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