Sealing cover with a quick-plug interface

A sealing cover with quick-plug interface, comprising:

• a cover body, above which a through hole is arranged, and in which a communication hole is arranged, and said through hole is connected with said communication hole;
• an annular sealing member and an annular fixing sleeve are arranged in said through hole, and said sealing member is arranged at a bottom of said through hole, and said fixing sleeve is arranged above said sealing member;
• and
• said sealing member and said fixing sleeve are both clipped to an inner wall of the through hole, and said sealing member is made of a flexible material,
• wherein said inner wall of said through hole is provided with a first groove, an outside of said sealing member is provided with a corresponding protrusion, and said sealing member is clipped to said through hole by means of said first groove and said protrusion,
• wherein an inner wall of said cover body is provided with a threaded structure, for screwing with a bottle body;
• and
• a bottom of said threaded structure is provided with a sealing ring.