All-insulation interpolation type lightning arrester

The utility model relates to an all-insulation interpolation type lightning arrester. The lightning arrester comprises an insulating protective body, a connecting conductor, an upper insulating protective cover, a lower insulating protective cover, an upper lightning receiving wire, a grounding wire and a protected body, the insulation protection body is in a hollow circular tube shape. The insulation protection body is vertically arranged in the protected body and penetrates through the protected body. The connecting conductor is arranged in the insulation protection body. The upper insulating protective cover is arranged on the upper surface of the protected body and is connected with the insulating protective body; the lower insulation shield is arranged on the lower surface of the protected body and connected with the bottom end of the insulation protection body, the upper lightning receiving wire penetrates through the upper insulation shield, the bottom end of the upper lightningreceiving wire is connec