Dustproof door of tunnel equipment room

The utility model provides a dustproof door for a tunnel equipment room, which comprises a door frame used for being fixedly connected with a wall body of the equipment room; the door plate is rotatably connected with the door frame, a circle of convex edge is arranged on the inner circumferential wall of the door frame, and when the door plate is closed, the edge of the door plate surface is combined with the convex edge; the sealing device is located between the combination surfaces of the door plate and the convex edge, the sealing device comprises at least two sealing strips, the at leasttwo sealing strips extend along the edge of the door plate, the at least two sealing strips are arranged in the direction close to and away from the center of the door plate, and when the door plate is closed, the door plate and the convex edge extrude the at least two sealing strips; and the locking mechanism is used for unlocking and locking the door plate and the door frame. Thus, the sealing strips extend along the wh