Heating top cover structure of smoke cartridge and manufacturing method thereof

The invention provides a heating top cover structure of a smoke cartridge. The heating top cover structure comprises a base body, a sealing part and a liquid collecting part. The sealing part and the liquid collecting part are arranged on the base body. The base body is provided with a tobacco tar channel and a smoke channel. The sealing part is arranged at the top of the base body, and the edge of the sealing part is used for abutting against the inner wall of the shell cover. The liquid collecting part is arranged around the side wall of the base body, a plurality of annular liquid collecting grooves are formed in the side face of the liquid collecting part, and the annular liquid collecting grooves are formed around the base body. The sealing part and the liquid collecting part are both made of silica gel materials. According to the heating top cover structure of the smoke cartridge, the sealing performance is improved, and the leakage phenomenon of tobacco tar is further delayed. The invention further pro