Electric connector

The utility model discloses an electric connector which comprises an insulating shell, a circuit board, a cover body and two grounding pieces, wherein the insulating shell is provided with a bottom wall, the left side and the right side of which extend upwards and respectively form a left side wall and a right side wall; the bottom wall is provided with two first blocking grooves and two second blocking grooves; the left side wall and the right side wall are respectively provided with a left inserting hole and a right inserting hole; the circuit board is positioned on the insulating shell; the cover body is covered on the insulating shell; the two grounding pieces are respectively provided with a metal shell; the bottom walls of the two metal shells extend in an opposite way and respectively form welding feet; the ends of the two grounding pieces, provided with the welding feet, passes through the left inserting hole or the right inserting hole, and then is inserted into the insulating shell; the welding feet