Single core connector of moulding plastics

The utility model relates to a single core connector of moulding plastics, establish including connecting piece, cover protective sheath that the connecting piece is connected, mould plastics terminalin the connecting piece, with the terminal is connected and the terminal connector of setting at the protective sheath inner chamber, the connecting piece is including the first barrel mast, first flange, second flange, the second barrel mast that connect gradually, first barrel mast with a flange joint becomes integrative, the second barrel mast with the 2nd flange joint becomes integrative, first flange with second flange fixed connection, the second barrel mast is kept away from the one end of second flange is provided with circumference annular arch, the one end of protective sheath is provided with the cooperation the protruding draw -in groove that uses of circumference annular, the other end is provided with the opening. Mould plastics in the connecting piece through the terminal,play better water -proof e