Dustproof device for insert bearing with seat

The utility model relates to the technical field of bearing seats, in particular to a dustproof device for an insert bearing with a seat. According to the technical scheme, dust covers are included, the front sides and the rear sides of the exteriors of a bearing and an outer sleeve are sleeved with the dust covers, butt joint rods in the dust covers are installed in butt joint holes in a butt joint mode, the bearing and the outer sleeve are positioned, the bearing and the outer sleeve are prevented from shaking and shifting, and a driving motor is started to drive a meshing gear to rotate; the upper end and the lower end of the dustproof cover move inwards at the same time, the bearing and the outer sleeve are clamped and fixed, the dustproof cover stably moves in the base and the moving empty groove under the action of the connecting spring rod, and the overall stability of the dustproof cover is improved; the distance can be adjusted through the meshing toothed bar and the meshing gear, the fan can be suit