Connector assembly

The connector assembly comprises an electric connector and a locking device, the electric connector comprises an insulation body and a plurality of conductive terminals arranged on the insulation body, the insulation body comprises a butt joint surface and a slot, the slot extends lengthwise along the lengthwise direction, the slot is formed by concavely arranging from the butt joint surface along the plugging direction, the plugging direction is perpendicular to the lengthwise direction, and the locking device is arranged on the insulation body. The conductive terminal is provided with a contact part exposed out of the slot; the locking device is arranged at one end of the electric connector and is assembled and connected with the electric connector, the locking device comprises a tower part, an ear clip and a fixing piece, the tower part protrudes out of the butt joint face in the inserting direction, the tower part is provided with a guide groove communicated with the inserting groove and used for jointly