1results about How to "Conditions that affect performance" patented technology

The utility model discloses a metal composite wall board, and relates to the technical field of decorative boards. The composite board comprises an outer-layer metal plate and an inner-layer metal plate, a middle functional layer is arranged between the outer-layer metal plate and the inner-layer metal plate, the middle functional layer comprises a heat preservation material layer and a sound insulation material layer, and decorative plates are detachably arranged on the side walls of the outer-layer metal plate and the inner-layer metal plate. A transverse connecting piece is fixedly connected to the face, facing the inner-layer metal plate, of the outer-layer metal plate, external threads are arranged at one end of the side wall of the transverse connecting piece, the transverse connecting piece penetrates through the heat preservation material layer and the sound insulation material layer, a stepped groove is formed in the face, back to the outer-layer metal plate, of the inner-layer metal plate, and a threaded cover is arranged on one side of the inner-layer metal plate. The threaded cover corresponds to and is matched with the external thread; the utility model has the advantages that the stability is good, the weight is light, the pipeline can penetrate through, and the heat-insulating material layer and the sound-insulating material layer can be conveniently replaced.