Movable cover plate of garbage can

The utility model relates to the technical field of garbage cans, in particular to a movable cover plate of a garbage can, which comprises a large cover plate, two tandem connection rods, a spring, a movable cover plate and a sensor group, each tandem connection rod is respectively connected with the large cover plate in a sliding manner and respectively penetrates through the large cover plate, the movable cover plate is arranged in the large cover plate, and the sensor group is arranged in the large cover plate. The two ends of the movable cover plate are in sliding connection with the corresponding series connection rods respectively and are arranged on the outer surface walls of the corresponding series connection rods in a sleeving mode respectively, the outer surface walls of the corresponding series connection rods are sleeved with the springs respectively, the springs are located between the large cover plate and the movable cover plate respectively, and the sensor set is arranged on the peripheral si