Brake mechanism for universal wheel

A brake mechanism for a universal wheel relates to the technical field of universal wheel components and comprises a wheel seat and wheels, a web plate is arranged in the wheel seat, a wheel shaft is vertically inserted in the center position of the web plate, and the wheels are coaxially and rotatably connected to the two ends of the wheel shaft; the device further comprises a handle and a stop lever. An annular boss is arranged at the position, corresponding to the wheel shaft, of the wheel seat, a ring sleeve correspondingly and movably connected with the annular boss in a sleeving mode is arranged at one end of the handle, and a limiting mechanism for limiting deflection of the ring sleeve is arranged between the annular boss and the ring sleeve. The other end of the handle extends out of the wheel seat, and a seat body of the wheel seat is provided with a strip-shaped slot for enabling the extending end of the handle to deflect around the axis of the annular boss; a notch is formed in the position, corre