Indoor fireproof roller shutter structure

The utility model relates to the technical field of roller shutter doors, and particularly discloses an indoor fireproof roller shutter structure which comprises a roller shutter body, a rolling box used for rolling or unrolling the roller shutter body and two door rails arranged on the two sides of the roller shutter body, and each door rail is slidably provided with two flitch plates used for abutting against the roller shutter body in a sliding mode in the thickness direction of the door rail; the door rail is provided with a driving assembly used for driving the two flitches to get close to each other or get away from each other. A clamping base is arranged on the side, close to the ground, of the door rail, a positioning plate is fixedly connected to the end of the roller shutter body, and a clamping groove for the positioning plate to be inserted in is formed in the clamping base. A clamping assembly used for abutting against the positioning plate is arranged on the clamping base. The fireproof roller s