Heat insulation curtain wall

The utility model relates to the technical field of curtain wall heat preservation, in particular to a heat insulation curtain wall. The heat insulation curtain wall comprises a mounting plate. The L-shaped limiting plate is located on the mounting plate, the L-shaped limiting plate is fixedly welded to the bottom end and the top end of the front face of the mounting plate, a limiting groove is formed between the L-shaped limiting plate and the mounting plate, a curtain wall body in sliding connection is mounted in the limiting groove, and the connecting mechanism comprises a mounting block, a positioning nail, a supporting plate and a connecting bolt. And the mounting block is fixedly welded on the back surface of the mounting plate. According to the heat insulation curtain wall, through the arrangement of the connecting mechanism, the installation plate and a building wall body can be rapidly positioned and fixedly connected in the using process, then deviation of the installation position of the installati