Reel, power system and clothes airing machine

The utility model relates to a winding wheel, a power system and a clothes airing machine, the winding wheel comprises a transmission part and a winding part, the transmission part is coaxially connected with the winding part, the peripheral wall of the winding part is convexly provided with a wiring groove spirally wound along the axial direction of the winding part, and the winding groove is arranged in the axial direction of the winding part. The included angle between the connecting lines of the two groove openings of the wiring groove and the groove bottom of the wiring groove is 8-12 degrees. According to the technical scheme, the technical problems that a traditional clothes airing machine is large in noise, short in service life and poor in use experience are effectively solved. 本申请涉及一种绕线轮、动力系统及晾衣机，该绕线轮包括传动件和绕线件，传动件与绕线件同轴连接，绕线件的外周壁上凸设有沿其自身轴向呈螺旋状绕设的走线槽，在绕线件的轴向上，走线槽的两个槽口与其槽底的连线之间的夹角为8°～12°。本申请技术方案有效解决了传统晾衣机噪声大，使用寿命短，使用体验差的技术问题。