Mosquito and fly preventing inspection well cover with normally-closed lateral eccentric gourd ladle

The invention relates to a mosquito and fly preventing inspection well cover with a normally-closed lateral eccentric gourd ladle. The mosquito and fly preventing inspection well cover comprises a cover plate, a spatial trapezoidal box, the eccentric arc gourd ladle and a graded stone water passing device; a plurality of convex water inlet grate bars are arranged on the cover plate to form an upper-layer grate, and the convex water inlet grate bars are detachably mounted on the cover plate; a lower-layer grate is arranged below the upper-layer grate, an upper opening of the spatial trapezoidalbox is formed in the lower side of the cover plate, a bottom plate of the spatial trapezoidal box is an inclined plate, a water outlet is formed in the side wall corresponding to the lower end of thebottom plate, and the normally-closed eccentric arc gourd ladle is installed at the water outlet; and the graded stone water passing device is arranged on the periphery of the cover plate. Accordingto the mosquito and fly pre