Sky screen frame of membrane structure

The utility model provides a backdrop frame of a film structure. The backdrop frame comprises a film, a fixing frame and a film penetrating frame arranged oppositely. A fixing groove is formed in the side end of the film penetrating frame, a plurality of fixing plates are movably connected into the fixing groove, the fixing plates are movably connected with the fixing groove, a plurality of corresponding screw holes are formed in the inner walls of the fixing plates and the inner wall of the fixing groove, fixing screws are connected into the screw holes in a threaded mode, and the film is movably connected with the fixing groove and matched with the fixing plates. According to the utility model, a film can be fixed and tensioned on the ground through the film penetrating frame, and then the film penetrating frame and the film are installed, so that the installation efficiency is improved, the film does not need to be pulled in the air, and the safety is improved. 本实用新型提供了一种膜结构的天幕架，包括薄膜、固定架与对向设置的穿膜架；所述穿膜架侧端设有