The invention discloses a TV set riser capable of adjustable high and low positions, and
visual angle inside room. The riser includes guide rail, guiding piece, and elevating gear. Upper connecting piece and lower connecting piece are installed on two ends of the guide rail. There is sliding fit between the guiding piece and the guide rail. The lifting gear includes
reducer of motor and electric controller. Being installed on the guiding piece, the
reducer includes output shaft and rolling wheel connected to each other fixedly or in transfer motion. One end of
rope or strap is connected to the rolling wheel, and the other end is connected to the upper connecting piece, or upper end of the guide rail. Or output shaft of the
reducer is connected to chain wheel, chain or
gear wheel, rack in transfer motion. Features are: reasonable stress, compact structure arrangement, and easy of maintenance.