The present disclosure provides an electric connector, which is used for being electrically connected with another adaptive connector (socket). The electric connector comprises a first shell, a lock plate, a second shell and an actuating assembly, wherein at least one electric connection point capable of being connected with the other connector is accommodated in the first shell; the lock plate is relatively fixed with the first shell; the second shell is at least partially located on the outer side of the lock plate and can move between a first position and a second position, the part of the second shell deforms the lock plate towards the inner side, so that the lock plate is tightly pressed with the outer surface of an outer shell of the other connector for frictional locking. According to the electric connector, the locking and pressing frictional force between the electric connectors can be improved.