阅读说明：本技术 一种双向差异化扭力输出的开关盖装置 (Two-way differentiation torque output's switch lid device ) 是由 何毅霖 曾俊雄 田智源 庄锦锋 林美阳 于 2021-09-26 设计创作，主要内容包括：一种双向差异化扭力输出的开关盖装置,其特征在于：包括底座、电机、同步轮Ⅰ、同步轮Ⅱ、驱动轴、单向轴承、恒定扭力摩擦装置、定位座、试剂瓶；本发明使用步进电机驱动,同时配合使用单向轴承和恒定扭力摩擦装置,实现了双向差异化扭力输出,不仅使得瓶盖旋紧的松紧度恒定,而且也保证瓶盖松开时的扭力需求,使得瓶盖能够顺利的开启。(The utility model provides a two-way differentiation torque output's switch lid device which characterized in that: the constant torque force friction device comprises a base, a motor, a synchronous wheel I, a synchronous wheel II, a driving shaft, a one-way bearing, a constant torque force friction device, a positioning seat and a reagent bottle; the invention is driven by a stepping motor, and simultaneously, a one-way bearing and a constant torque force friction device are matched for use, so that bidirectional differential torque force output is realized, the tightness for screwing the bottle cap is constant, the torque force requirement for loosening the bottle cap is also ensured, and the bottle cap can be smoothly opened.)