Wall-mounted sound box with lifting mechanism

The utility model discloses a wall-mounted sound box with a lifting mechanism, which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a fixed block, the upper surface of the bottom plate is provided with a sound box, the outer side of the sound box is movably provided with a dustproof shell, and the back surface of the dustproof shell is fixedly connected with a left connecting block and a right connecting block. A guide rod is movably connected into the left connecting block, a lead screw is in threaded connection with the interior of the right connecting block, a first umbrella-shaped gear is installed at the end, close to the bottom plate, of the lead screw, the upper end of the first umbrella-shaped gear is meshed with a second umbrella-shaped gear, and one end of the second umbrella-shaped gear is fixedly connected with a connecting rod. And one end of the connecting rod penetrates through the fixing block and is rotationally connected with a hand wheel through a