Profile for external corner joint of co-extrusion wallboard

The utility model discloses a profile for an external corner joint of a co-extrusion wallboard, relates to a profile, is mainly used for manufacturing an external corner of the co-extrusion wallboard, and belongs to the technical field of new materials. The body structure of the profile for the external corner joint of the co-extrusion wallboard is composed of an upper transverse plate, a left vertical plate, a left lower transverse plate, a middle vertical plate, a middle transverse plate, a right lower vertical plate, a right lower transverse plate, a right middle vertical plate, a right upper transverse plate and a right upper vertical plate. A hollow cavity, a lower opening clamping groove and a right opening clamping groove are formed in the profile body structure. External corner connectors of different specifications can be manufactured, and the production efficiency is high; due to the design of the double clamping grooves, the wallboard can be conveniently installed in two different directions; accor