The utility model discloses a driving lever gear structure, including gear, driving lever, lever shaft, guide block and a plurality of screw, wherein, the gear center trompil, the driving lever vertical fixation is in gear surface, lever shaft one end is passed behind the centre bore of gear by the guide block cover is detained, and the other end extends to have along the horizontal direction to be hugged closely the solid fixed ring of gear bottom surface, each the screw follow closely in proper order into gu fixed ring the gear with the guide block. The utility model discloses simple structure effectively realizes mechanical transmission.