The invention discloses an assistance output mechanism which comprises a motor and atooth bowl assembly; the motor comprises a motor body assembly, a motor shell and a motor pedal shaft extending out of the motor shell, an involute tooth structure is arranged on the motor shell, and a thread structure is arranged at the extending end of the motor pedal shaft; the tooth bowl assembly is mounted in a five-way pipe of a common base of the electric power-assisted bicycle and is used for mounting and limiting an assembly of the motor; the tooth bowl assembly comprises a left tooth bowl assembly and a right tooth bowl; a right tooth bowl involute structure matched with a motor shell involute tooth structure is arranged in the right tooth bowl; and the left tooth bowl is provided with an external thread structure matched with the five-way pipe. The invention further discloses a mounting method of the assistance output mechanism and the electric power-assisted bicycle. The assistance output mechanism is simple in structure and convenient to install, the motor can be directly installed on the five-way pipe of the bicycle, and the universality design requirements of various types of electric mopeds can be met.
本发明公开了一种助力输出机构,包括:电机,所述的电机包括电机主体组件、电机外壳和延伸出电机外壳外部的电机脚踏轴,所述的电机外壳上设置有渐开线齿结构,所述的电机脚踏轴的延伸端设置有螺纹结构;牙碗组件,安装在电动助力车共用基座的五通管内,用于安装和限位电机的组件;所述的牙碗组件包括左牙碗组件和右牙碗;其中,所述的右牙碗内部设置有与电机外壳渐开线齿结构相配合的右牙碗渐开线结构;所述的左牙碗组件上设置有与五通管配合的外牙纹结构。还公开了该助力输出机构的安装方法及一种电动助力车。该助力输出机构,结构简单,安装方便,可以直接将电机安装在自行车五通管上,能够满足各种类型的电动助力车的通用性设计要求。
Assistance output mechanism, mounting method thereof and electric power-assisted bicycle
一种助力输出机构及其安装方法和电助力自行车
2021-11-05
Patent
Elektronische Ressource
Chinesisch
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