Anti-interference device for receiver of multifunctional crown block remote controller

The utility model relates to the field of anti-interference devices, and discloses a multifunctional crown block remote controller receiver anti-interference device which comprises a box body, a box cover is hinged to the front side of the box body, and two fixing plates are fixedly connected to the positions, close to the edges of the upper end and the lower end, of the center of the rear side wall of the box body respectively. Mounting holes are formed in the centers of the front side walls of the four fixing plates correspondingly, connecting plates are arranged at the positions, close to the edges of the two sides, in the box body correspondingly, the upper ends and the lower ends of the two connecting plates are fixedly connected to the upper inner side wall and the lower inner side wall of the box body correspondingly, and movable grooves are formed in the centers of the front side walls of the two connecting plates correspondingly; a plurality of positioning grooves are formed in the two inner side wal