Drop-proof tight-proof plug and socket

The utility model relates to a drop-proof and tight-proof plug and a socket, and a socket box is provided with the socket. The socket is provided with three plug jacks on a single surface or four plug jacks on both surfaces, and two to three chips are arranged in the socket. The chip is provided with one conical groove on a single surface or two conical grooves on both surfaces, and both ends of the chip are provided with a spring hole. A screw hole for wire connection is arranged between the spring hole and the conical groove. The plug is composed of an upper handle and a lower handle, and the upper handle is composed of an upper piece and a lower piece which is provided with two to three plug pins. The bottom of the plug pin is arranged in the rubber pad seat of the upper piece 11, and another screw hole for wire connection and a wire-out hole are arranged in the plug pin. The lower handle is provided with two to three plug pin holes corresponding to the plug pins. The utility model has shortcut, safety, compact structure, and convenient operation, and is not easy to generate the phenomena of over tightness and over looseness.