Sliding keyboard bracket shared by multiple machines

The utility model relates to the field of keyboards. The utility model relates to a keyboard bracket, in particular to a multi-machine shared sliding keyboard bracket. Keyboard tray, a circuit box isarranged on the upper surface of the keyboard tray; two sets of sliding grooves are inserted in the lower surface of the keyboard tray in a bilateral symmetry mode. A sliding rod is inserted into thesliding groove; an extension spring is arranged between the sliding rod and the sliding groove. Chucks are welded to the upper surfaces of the tail ends of the sliding grooves; sliding blocks are installed on the lower surface of the keyboard tray through screws. A supporting plate is inserted in the circuit box, a USB male connector is inserted in the center of the supporting plate, two sets of auxiliary positioning tenons are inserted in the supporting plate in the left-right direction, and two sets of compression springs are arranged on the wall face, opposite to the USB male connector, ofthe supporting plate in a l