Roller screen band-type brake device

The utility model discloses a roller screen band-type brake device which comprises a sliding installation type band-type brake connecting rod, the sliding installation type band-type brake connecting rod comprises a connecting rod body, a strip-shaped through hole is transversely formed in the upper surface of the connecting rod body, a handle is fixedly assembled in the middle of the rear wall of the connecting rod body, and a screen shaft band-type brake piece is fixedly clamped in the strip-shaped through hole. Threaded holes are formed in the left end and the right end of the front side wall and the rear side wall of the connecting rod body. A sliding installation type band-type brake connecting rod is supported and fixed on the inner wall of a roller screen shell through telescopic positioning supporting rods at the left end and the right end of the front side wall and the rear side wall to support and fix the device, the device can be conveniently carried through a handle, and after the device is suppor