| 摘要 |
A fixing base for bike auxiliary handle bar includes and upper portion having its upper end incorporated to a protection pad holder and a lower portion having its lower end incorporated to an auxiliary handle bar; an arc groove being each disposed on the lower end of the upper portion and on the upper end of the lower portion for both upper and lower portions to be inserted to each other; both fronts of the upper and the lower portions being movably pivoted to each other; a locating seat provided with a central locating hole being disposed to a terminal of the upper portion; a retainer being inserted into the locating hole; a locating block with its top disposed with an arc groove being inserted into the retainer, an open trough being disposed to a terminal of the locating seat; an insertion seat being disposed to a terminal of the lower portion; an open trough being disposed to a terminal of the insertion seat, a through hole connecting to the open trough being axially provided in the insertion seat to receive a pivoting pin provided with a central through hole to pivot an adjusting bolt to a biased hole disposed on the inner side of the pad holder; the adjusting bolt passing through the locating block, the retainer, the pivoting pin, and engaging an adjusting nut for the adjusting bolt to execute tightening up or loosing up through the biased hole by turning the pad holder so to achieve summary operation to mount or separate the fixing base and the pad holder onto or from the handle bar.
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