Sealing connection structure at outer wrap angle of wallboard and top plate for refrigeration house

The utility model discloses a sealing connection structure at an outer wrap angle of a wallboard and a top plate for a refrigeration house. The utility model relates to the technical field of refrigeration house insulation structures. The structure comprises a wall plate and a top plate, the top plate and the wall plate are partially overlapped in an L shape; a pouring joint is arranged between the top plate and the wall plate; polyurethane is poured into the pouring joint, first angle aluminum is arranged at the inner wrap angle, second angle aluminum is arranged at the outer wrap angle, thetwo right-angle sides of the first angle aluminum and the two right-angle sides of the second angle aluminum are fixed to the wall plate and the top plate respectively, and sealing layers are arrangedon the sides, close to the wall plate and the top plate, of the first angle aluminum and the second angle aluminum respectively. Due to the fact that the sealing layers are arranged on the sides, close to the wall plate and t