Driving mechanism of sunshade curtain and automotive sunshade curtain

The invention provides a driving mechanism of a sunshade curtain and an automobile sunshade curtain, and belongs to the technical field of automobile parts. The guide sleeve is provided with at least one bent part; the ejector rod is movably arranged in the limiting sleeve in a penetrating mode, and the ejector rod can stretch out of the limiting sleeve or retract into the limiting sleeve. The flexible rack is connected with the ejector rod, the flexible rack is movably arranged in the guide sleeve in a penetrating mode, the flexible rack can move towards the interior of the limiting sleeve, and the flexible rack is arranged to be of a flexible structure which can be bent and can move in the bent part; the driving assembly comprises a gear, and the gear is meshed with the flexible rack. The invention has the beneficial effects that the flexible rack replaces the traditional threaded spiral cable, so that the flexible rack can be better engaged with the gear for transmission, the transmission is more precise a