Breathable film mounting structure for loudspeaker

The utility model relates to the technical field of mounting structures. The utility model discloses a breathable film mounting structure for a horn. The outer surface of the first fixing ring is fixedly connected with a supporting column. A first sliding groove is formed in the front surface of the supporting column. A second sliding groove is formed in the other side of the supporting column; aconnecting column is connected into the first sliding groove in a sliding manner; a second fixing ring is fixedly connected to the rear surface of the connecting column; the lower surface of the second fixing ring is fixedly connected with a sliding assembly. A limiting assembly is fixedly mounted on the outer surface of the first fixing ring; the sliding assembly can enable the sealing performance of the breathable film to be better when the breathable film is installed, and meanwhile normal work of the breathable film is not affected. And the breathable film can be conveniently replaced, a limiting assembly worker c