Electric quantity recorder

The utility model discloses an electric quantity recorder which comprises an electric quantity recorder body, an upper installation box, a lower installation box, an outer horizontal plate and an extrusion bolt, a side shaft is installed on the side of the electric quantity recorder body, a fixing plate is welded and fixed to the bottom of a threaded sleeve, and the bottom of the fixing plate is attached to the inner wall of a limiting groove. A limiting groove is formed in the bottom face of the inner side of the lower mounting box, a driven gear is fixedly welded to the tail end of the horizontal lead screw and connected with a driving gear, the driving gear is fixedly welded to the tail end of a functional lead screw, the functional lead screw is mounted on the side wall of the lower mounting box, and an outer horizontal plate is fixedly welded to the outer side of the lower mounting box. According to the electric quantity recorder, the novel structural design is adopted, so that the height of the electric