Novel PU wheel

The utility model discloses a novel PU (polyurethane) wheel, which belongs to the technical field of wheels and comprises an inclined support. The wheel body is rotationally connected between the inner walls of the inclined brackets through a hinge shaft; the number of the supporting tables is two, the two supporting tables are fixedly connected to the two side ends of the wheel body, and a plurality of inserting grooves are formed in the circumferential surfaces of the two supporting tables; the inserting blocks are arranged between the inner walls of the inclined supports; the linkage mechanism is arranged between the inner walls of the inclined supports, the positioning holes are used for containing the positioning columns, the positioning columns are matched with the positioning holes in a telescopic mode to guide and limit the springs, meanwhile, the positioning columns are used for fixing the springs, the springs are used for pushing the insertion blocks to move and providing power for movement of the i