Mould section bar for steel door

The utility model relates to a mould section bar for steel door on the building. Mainly solve the problem that metal door kept warm and noise control sound performance is poor. The section bar includes that frame section bar and fan section bar and steel lining, above -mentioned frame are equipped with mutual overlap joint position respectively on fanning the section bar, and the amount of lap is 14mm, clearance between the frame fan is 4 -6mm for frame fan combination back, the outside is on the coplanar, have the glass bayonet socket on foretell the section bar, the cavity size of fan section bar be 80mm, and the steel lining is used to inner chamber insertible U -shaped fan, the steel lining for the frame of frame section bar inner chamber insertible rectangle, and the frame is fanned the section bar intracavity and is equipped with a plurality of heat preservation chambeies. The section bar has good heat preservation and separation noise and aesthetic effect at the on the basis of of guaranteeing that original metal door prevention of burglary requires.