Electric power metering box convenient to assemble

The invention provides an electric power metering box convenient to assemble, and belongs to the technical field of electric power metering boxes. Comprising an electric power metering box body, a cover plate and a base, fixing blocks are fixedly connected to the cover plate and the base respectively, first grooves matched with the fixing blocks are formed in the upper end and the lower end of the electric power metering box body respectively, the fixing blocks are arranged in the first grooves, and limiting mechanisms are arranged in the fixing blocks and comprise rotating columns and limiting plates; limiting grooves matched with the limiting plates are formed in the inner walls of the first grooves in the upper position and the lower position of the electric power metering box body respectively, the limiting plates are arranged in the limiting grooves, and reinforcing plates are arranged on the inner side of the electric power metering box body. Through mutual cooperation of the electric power metering box