▎ 摘　　要

NOVELTY - The utility model claims a heat preservation insulation type aluminium profile, comprising an aluminium alloy outer frame, the aluminium alloy outer frame are respectively provided with a transverse, a longitudinal reinforcing rib, the reinforcing rib divides the inner part of the aluminium alloy outer frame into two sides of the cavity and the middle heat preservation cavity, the inner side of the cavity is fixedly connected with a heat insulation part, the heat insulation part comprises a flame retardant layer, a nylon heat insulation strip, a sound insulation layer, a reinforcing layer, the inner heat preservation of the inner cavity is filled with a heat preservation, the inflaming retarding layer is set on the inner side of the aluminium alloy outer frame, the outer side of the inflaming retarding layer is provided with a nylon heat insulation strip and a sound insulation layer from inside to outside sequentially reinforcing layer, the flame retardant layer is flame retardant polypropylene, the soundproof layer is a graphene sponge layer, the reinforcing layer is a metal net layer. The heat preservation insulation type aluminium profile, by setting the external heat insulation part and the inner heat preservation cavity, the outdoor air is separated from the indoor air, it is very good heat preservation heat insulation, greatly improves the heat preservation insulation performance.