Quick-connection waterproof circular connector

The utility model discloses a rapid connection waterproof circular connector, and relates to the technical field of electric power connectors. The socket comprises a socket assembly and a plug assembly, the socket assembly comprises a square plate convex body, and a rivet shaft and a rivet sleeve are installed at the bottom of the square plate convex body in an inserted mode. According to the utility model, one end of the shell is inserted into one end of the convex body of the square plate, so that the pin contact element is inserted into the jack contact element to realize electric power connection, and the electric power connection operation is simple and convenient; the convex body rubber ring pad inserted into one end of the shell and inside the square plate convex body is in contact and press fit, so that the joint is sealed and waterproof, the sealing and waterproof performance of the connector is improved, the jack insulator plastic part is provided with a creepage groove, the pin insulator plastic pa