Rechargeable sound box for projection curtain

The invention discloses a rechargeable sound box for a projection curtain, which comprises a sound box and is characterized by further comprising a rod connecting piece fixed with a bottom rod at the bottom end of the curtain, the rod connecting piece is fixed with the sound box, and a rechargeable battery for supplying power to the sound box is arranged in the sound box. A contactable electric connection structure is arranged between the rod connecting piece and the curtain main body, and the rechargeable battery can be charged by being conducted with an external power supply through the contactable electric connection structure. The projection screen has the advantages that the projection screen is attractive, does not need to occupy extra space for storage, does not affect winding of the screen, is simple and convenient to install, does not need to change the projection screen, avoids the problems of occupation of ground and desktop space and unattractive appearance, and is more convenient to use due to th