Projector

The utility model discloses a projector, relates to the technical field of projectors, and aims to solve the problem that dust can still enter the projector when a dustproof net is detached and cleaned, the technical scheme is that the projector comprises a shell and a plurality of heat dissipation holes arranged on the shell, a first dustproof plate positioned on one side of the heat dissipation holes is detachably connected in the shell, and a second dustproof plate is arranged on the other side of the heat dissipation holes. One end of the first dustproof plate is detachably connected with a second dustproof piece of a folding structure, and the joint of the first dustproof plate and the second dustproof piece has acting force which attracts each other and is used for providing unfolding of the second dustproof piece when the first dustproof plate is detached. According to the utility model, external dust can be prevented from entering the projector through the heat dissipation holes by arranging the first