Integrated foaming back cushion of motorcycle

The utility model provides an integrated foaming back cushion of a motorcycle, and belongs to the technical field of motorcycles. The problem that a leather sheath on an existing back cushion is fixed through manual nailing, and consequently the labor cost is high is solved. The integrated foaming back cushion of the motorcycle comprises a back cushion body and a foaming layer which covers the surface of the back cushion body and is naturally formed in a foaming mode, the periphery of the back cushion body protrudes from the back face to the surface to form a flange part, and a step groove for being filled with the foaming layer is formed between the flange part and the back face of the back cushion body. The flange part is provided with a plurality of material injection units I for filling the foaming layer, and the back cushion plate body is also provided with a plurality of material injection units II for filling the foaming layer. The foaming back cushion has the advantages that manpower is saved, the foa