Adjustable plastic support for keyboard

The utility model relates to the technical field of keyboard supports, in particular to an adjustable plastic support for a keyboard, which comprises a U-shaped base, a connecting piece is movably arranged in the base, a rack can be driven to move through the movement of a second sliding block, a gear can be driven to rotate through the movement of the rack, and the adjustable plastic support is arranged on the base. A gear rotates to drive a second rotating rod to rotate, so that a connecting piece rotates with the second rotating rod and a first rotating rod as rotating shafts, the keyboard rotates, the inclination angle of the keyboard can be adjusted, the support controls the connecting piece to rotate by twisting a connecting block, and locking after the inclination angle of the keyboard is adjusted can be achieved. And the bottom surface of the base is provided with anti-skid grains, so that the friction force with a table top is increased, the use effect is better, and the practicability of the bracket