Rat damage prevention and isolation device for rice seedling bed

The utility model relates to the technical field of rodent prevention and isolation, in particular to a rice seedling bed rodent prevention and isolation device which comprises a base plate, a sliding groove is formed in the base plate, a connecting block is slidably connected into the sliding groove, a first circular groove is formed in the base plate, a second circular groove is formed in the connecting block, and a screw rod is in threaded connection with the interior of the first circular groove. The screw rod is in threaded connection with the second circular groove, an isolation plate is fixedly connected to the exterior of the connecting block, a convex body is fixedly connected to the exterior of the isolation plate, a storage groove is formed in the isolation plate, and a rat-proof agent is arranged in the storage groove. According to the device, the detached parts such as the isolation plate can be recycled, resource waste is reduced, the whole detaching process is not complex, the structure is simp