▎ 摘　　要

NOVELTY - The utility model claims a graphene micro-porous filter film, comprising a filter film main body, the outer part of the filter film main body is fixedly provided with a fixing ring, the outer wall of the fixing ring is provided with a clamping groove, the outer part of the fixing ring is sleeved with a sealing ring, and the sealing ring is clamped in the clamping groove; the outer wall of the sealing ring is fixedly connected with the inner wall of the clamping groove, the upper end face of the fixing ring is fixedly provided with an operation ring, and the operation ring is provided with two, two operation rings are diagonally distributed on the upper end face of the fixing ring. The utility model aims at the existing technology in the filter film is placed in the cup body, the outer wall of the filter film and the inner wall of the cup body cannot have good sealing, so as to affect the filtering effect, and the existing filter film in the storage, the external air pollution filter film and so on; The utility model has the following advantages: when the filter membrane is placed in the cup body, it can improve the tightness of the filter membrane and the inner wall of the cup body, and also can protect the filter membrane in the storage.