Anti-collision structure of single-tube sighting telescope

The anti-collision structure of the single-tube sighting telescope comprises a connecting column and a lens barrel, the lens barrel is sleeved with a fixing cover, the side, close to the lens barrel, of the fixing cover is in contact with a columnar inflation bag, the columnar inflation bag corresponds to the lens barrel, the two sides of the columnar inflation bag are in contact with limiting plates, through holes are formed in the limiting plates, and fixing rings are clamped in the through holes. A fixing belt is fixedly connected between the two opposite fixing rings and makes contact with the columnar inflatable bag, the two ends of the fixing cover are each fixedly connected with two connecting belts which are away from each other, the opposite connecting belts are fixedly connected through hook-and-loop fasteners, cushion blocks are fixedly connected to the sides, close to the lens barrel, of the connecting belts, and the cushion blocks make contact with the lens barrel. According to the anti-collision