Connecting buckle for air conditioner connecting pipe

The utility model relates to the technical field of pipeline buckles, and provides a connecting buckle for an air conditioner connecting pipe, which comprises a retaining ring, the two ends of the retaining ring are respectively and fixedly connected with an end plate and a protruding plate, the outer surface of the inner side of the retaining ring is provided with a protective structure, and the outer surface of the retaining ring is fixedly connected with an adhesion component. The protection structure comprises a protection layer connected to the outer surface of the inner side of the retaining ring, a spring is connected between the inner wall of the protection layer and the retaining ring, a hollow column is fixedly connected to the outer surface of the inner wall of the protection layer, and a connecting column is fixedly connected to the position, corresponding to the hollow column, of the outer surface of the retaining ring. A protruding strip is fixedly connected to the position, close to one end, of