Universal wheel

The utility model provides a universal wheel which comprises a rolling wheel, a driving device and a driving device. The bracket wraps a part of the roller; the wheel shaft penetrates through the roller, and the two ends of the wheel shaft are arranged on the support, so that the roller is allowed to rotate around the wheel shaft; one end of the main shaft is arranged on the bracket; and the quick release piece is rotatably arranged on the main shaft, and the quick release piece comprises at least one buckling part. 本公开提供一种万向轮，其包括：滚轮，所述滚轮能够进行转动；支架，所述支架包裹所述滚轮的一部分；轮轴，所述轮轴穿过所述滚轮并且所述轮轴的两端设置于所述支架，以便允许所述滚轮绕所述轮轴进行转动；主轴，所述主轴的一端设置于所述支架；以及快拆件，所述快拆件可转动地设置于所述主轴，并且所述快拆件包括至少一个卡扣部。