Corner connector assembly for quickly assembling aluminum alloy door frame

The utility model relates to the technical field of aluminum alloy furniture, in particular to a corner connector assembly for quickly assembling an aluminum alloy door frame, which comprises a corner connector main body, a locking pull buckle and a screw, the corner connector main body is provided with two fixed bases which are mutually symmetrical about the angular bisector of the corner connector main body, and the fixed bases are provided with threaded holes; the top face of the fixing base is an inclined face which is perpendicular to the side face of the corner connector body. The axis of the threaded hole is perpendicular to the top face of the fixed base where the threaded hole is located. The upper end of the locking pull buckle is provided with an extension flange, and the lower end of the locking pull buckle is provided with a slope fitting wall surface matched with the top surface of the fixed base; the locking pull buckle is provided with a through hole matched with the threaded hole, and the loc