Anti-theft inspection well cover convenient to open

The utility model is applicable to the technical field of inspection well covers, and provides an anti-theft inspection well cover convenient to open, which comprises a first side well plate, side plates are arranged at the outer end of the first side well plate at equal angles, a second side well plate connected with the first side well plate is mounted at the lower ends of the side plates, threaded nails are arranged in the second side well plate at equal angles, and the threaded nails are connected with the first side well plate. A connecting plate is mounted on the inner side of the left end of the first side well plate; the auxiliary block is arranged at the inner end of the first side well plate, a second annular plate is installed at the inner end of the auxiliary block, a first annular plate is arranged on the inner side of the second annular plate, and a third annular plate is installed on the inner side of the first annular plate; and the bearing plate is installed at the outer end of the first annu