Triangular wheel and suitcase

The utility model provides a triangular wheel and suitcase relates to daily necessities technical field, the utility model provides a triangular wheel includes: the chuck is equipped with on around its central evenly distributed's three spout, and the center of chuck is equipped with the through -hole, is equipped with the axis body in the through -hole, and chuck axis body relatively rotates, with the load bearing member of spout one -to -one, in each spout and load bearing member to mutual correspondence, load bearing member's one end is equipped with the gyro wheel, and load bearing member's the other end and spout are connected, and load bearing member can move on the spout along the radial orientation of chuck, locate the spacing subassembly in order to restrict load bearing member slide travel between load bearing member and the chuck, drive load bearing member is for the drive assembly of chuck action. Can artificially stretch out and draw back for the chuck according to load bearing member among this