Adjustable touch screen support

The utility model discloses an adjustable touch screen support, which belongs to the technical field of touch screen supports, and comprises a support plate, the upper end of the support plate is connected with a contact sponge, the rear end of the support plate is connected with a bidirectional clamping mechanism, the bidirectional clamping mechanism comprises a C-shaped plate connected to the support plate, and one end of the C-shaped plate close to the support plate is provided with a chute. The side end of the C-shaped plate is connected with a motor, the output end of the motor is connected with a rotating rod, two symmetrical threaded grooves are formed in the peripheral side of the rotating rod, the rotating rod is in threaded connection with two symmetrical moving plates, each moving plate is connected with a clamping plate, a matching groove is formed in the inner end of each clamping plate, and a top pressing assembly is arranged at the outer end of each clamping plate. And a power supply is connect