Novel safe self-locking data bus connector

The utility model discloses a novel safe self-locking data bus connector, and relates to the technical field of data cable connectors, the novel safe self-locking data bus connector comprises a nut, a socket and a plug, the socket is installed on an equipment panel used for installing the connector through the nut, the socket comprises a stepped screw composed of a thick screw and a thin screw, and a seat shell, the stepped screw and the seat shell are hollow, the seat shell is fixedly connected with the thick screw, the outer diameter of the seat shell is larger than that of the thick screw, left-hand threads are arranged on the surface of the thick screw of the stepped screw, right-hand threads are arranged on the surface of the thin screw of the stepped screw, and the nut is connected with the left-hand threads of the thick screw in a screwed mode. According to the utility model, the directions of loosening forces of the plug and the nut are opposite, and the fuse is arranged between the nut and the outer