Suction-plate type seat pad

The utility model discloses a sucker cushion comprising a seat cushion with a support frame on the lower part, a sucker, a connecting plate fixed on the oil tank and a seat cushion assembling panel fixed on the vehicle frame. The support frame is rotatably connected with the connecting panel. The seat cushion assembling panel corresponding to the sucker is fixed in the front of the seat cushion. The support frame and the connecting plate can be rotatably connected with each other through the pin with holes. The utility model which fixes the seat cushion by the sucker has a simple structure, novel design, and meanwhile is convenient for use. The seat cushion can be openned with the only need of pulling up the sucker by force to let the air in. The sucker can be firmly attached to the seat cushion assembling panel after the seat cushion is layed down avoiding influencing the safety of riding. In addition, the cushion lock is not needed thus reducing the cost.