Screw drive type television lifting cabinet

The screw transmission type television lifting cabinet comprises a cabinet body, a lifting opening is formed in the top of the cabinet body, a cover plate is arranged at the lifting opening, a plurality of screws are vertically and fixedly connected to the interior of the cabinet body, the screws are in threaded connection with internal thread sleeves, and bearings are fixedly connected to the peripheries of the internal thread sleeves; a supporting plate is installed in the cabinet body and fixedly connected with the outer ring of the bearing, and a motor used for synchronously driving the four inner threaded sleeves to rotate is installed in the middle of the bottom face of the supporting plate. A television is installed on the supporting plate, and a driving mechanism for controlling the cover plate to be opened and closed is installed in the cabinet body. The television can be synchronously driven to ascend and descend at a plurality of point positions only through one motor, the supporting stability of t