Direct-current brush motor structure

A direct current brush motor structure of the present invention comprises a stator assembly, a rotor assembly and a rear end cover assembly, the rotor assembly comprises a rotor coil and a commutator assembly, the commutator assembly comprises a rotating shaft and commutator segments, the rear end cover assembly comprises a rear end cover and an electric brush assembly, and the electric brush assembly comprises an electric brush and a brush handle. And at least two groups of brush assemblies are arranged in a staggered manner along the axial direction of the rotating shaft, so that at least two contact working surfaces are formed between the commutator segments and the brushes. Compared with the prior art, the invention has the advantages of prolonging the service life of the brush and the commutator and the like. 本发明涉及一种直流有刷电机结构，包括定子组件、转子组件和后端盖组件，所述转子组件包括转子线圈和换向器组件，所述换向器组件包括转轴和换向片，所述后端盖组件包括后端盖和电刷组件，所述电刷组件包括电刷和刷柄，所述电刷组件设有至少两组，并沿转轴的轴向方向错开布置，使换向片和电刷之间形成至少两个接触工作面。与现有技术相比，本发明具有延长了电刷和换向器使用寿命等优点。