Quick release attachment for a bicycle

摘要

A quick release attachment for a bicycle includes an attachment device, a bracket and a quick release assembly. The attachment device has a main connecting body. The main connecting body has a retaining groove. The bracket has a sub connecting body. The bracket has a connecting portion defined at one lateral side thereof. The connecting portion has an opening defined therethrough. The quick release assembly has a quick release member and an abutting block. The quick release member is assembled with the connecting portion and defines a tightening position and a releasing position. The abutting block is received in the opening of the bracket. When the pivot portion is on the tightening position, the abutting block is engaged with the retaining groove of the main connecting body so that the attachment device is secured to the bracket.

主权项

1. A quick release attachment for a bicycle comprising:
an attachment device having a main connecting body defined at a lower portion thereof, the main connecting body having a retaining groove defined at one lateral sided thereof; a bracket assembled on a bicycle, the bracket having a sub connecting body corresponding to the main connecting body, the bracket having a connecting portion defined at one lateral side thereof, the connecting portion of the bracket having an opening defined therethrough and communicating with the retaining groove of the main connecting body; and a quick release assembly having a quick release member and an abutting block, the quick release member having a pivot portion and a grip portion, the pivot portion assembled with the connecting portion of the bracket pivotally, the pivot portion defining a tightening position and a releasing position, the pivot portion pivoted between the tightening position and the releasing position via the grip portion, the abutting block received in the opening of the bracket, the abutting block having a first abutting end and a second abutting end defined at two ends thereof respectively, the first abutting end abutting against the pivot portion, the second abutting end inserted into the opening of the bracket, the pivot portion defining an axis at a center thereof; wherein, when the pivot portion is on the tightening position, a distance between the axis and the first abutting end of the abutting block is larger than another distance between the axis and the first abutting end of the abutting block as the pivot portion is on the releasing position.