Novel automobile bottom plate blanking cap

A novel automobile bottom plate blanking cap comprises a blanking cap body, a mounting groove is formed in the middle of the blanking cap body, a mounting stand column is arranged in the mounting groove, a sealing rod is fixedly mounted at the top of the mounting stand column, and a circle of sealing skirt edge is fixedly arranged at the top of the sealing rod. A sealing groove is formed between the sealing skirt edge and the installation stand column, the upper end face of the blanking cap body, the upper end face of the installation stand column and the lower end face of the sealing skirt edge are all coated with a layer of hot melt adhesive, and the blanking cap body, the installation stand column and the sealing skirt edge are all made of rubber in an integrated injection molding mode. The hole plugging device is reasonable in structural design, convenient and rapid to install, good in sealing performance and capable of rapidly plugging holes in the automobile bottom plate. 一种新型汽车底板堵盖，包括堵盖本体，所述堵盖本体的中部开设有一