Dustproof projector mounting rack

The utility model discloses a dustproof projector mounting rack, and belongs to the technical field of projector mounting. The device comprises a mounting frame, a dustproof net is fixedly mounted on one side of the mounting frame, a projector is movably mounted in the mounting frame, a limiting strip is fixedly connected to the outer wall of the mounting frame, a sliding strip is slidably connected to the inner wall of the limiting strip, and bristles are fixedly connected to the inner wall of the sliding strip. Dust can be filtered through a dustproof net, when a pull rope is pulled, a movable strip can move downwards, so that bristles move up and down to brush down the dust on the dustproof net for cleaning, after the pull rope is loosened, a sliding strip returns to the original position under the pulling force of a reset spring, and dustproof treatment can be conducted on the mounting frame through the structure; the problem that dust enters the projector installed inside to affect normal use is avoided,