Derailleur and parking mechanism

The utility model provides a derailleur, include: the casing, parking braking pole, parking braking pole position are in the casing and can wind the axis rotation, and the parking braking pole has first landing leg, second landing leg and the third landing leg of keeping away from axis extend, the first landing leg of joint is constructed into to valve module, valve module, pawl, click connection are used for joint parking braking gear to the second landing leg, and the spring, the spring has the closed -ended's that is connected to the third landing leg first end and the open second of the tip end that is connected to the casing. The utility model also provides a parking mechanism. The utility model provides a derailleur and parking mechanism to at least realize this disclosed spring can be during assembling one end firmly attach and connect, and there is not spring clean separation's during the equipment risk. 本实用新型提供了种变速器，包括：壳体；驻车制动杆，驻车制动杆位于壳体中并能够绕轴线旋转，驻车制动杆具有远离轴线延伸的第支腿、第二支腿和第三支腿；阀组件，阀组件构造成接合第支腿；棘爪，棘爪连接至第二