One-key opening and free stopping coexistence hinge

The utility model provides a one-key opening and free stopping coexistence hinge which comprises a rotary connecting structure, and the rotary connecting structure comprises a rotary connecting arm, an elastic mechanism playing roles of a torsion spring and a pressure spring, an end face cam, a cam connecting mechanism and a rotary resistance torque mechanism. According to the utility model, after the mobile terminal is opened, the mobile terminal is directly driven by the elastic mechanism to be opened to a working angle or close to the working angle, a free stopping function of stopping rotation at any time and positioning the current angle at any time is provided within the working angle range, and the scheme can be suitable for flexible screen and non-flexible screen folding mobile terminals; and the mobile terminal can be connected with the support thereof, and the application range is wide. 本实用新型提供了一种一键开启与自由停靠并存的铰链，包括转动连接结构，所述转动连接结构包括转动连接臂、起到扭簧作用和压簧作用的弹性机构、端面凸轮、凸轮连接机构和转动阻力扭矩机构。本实用新型能够在打开移动终端后，由弹性机构直接驱动打