Special protective seat for mental patients

The invention belongs to the technical field of medical instruments, and particularly relates to a special protective seat for mental patients. The protective seat comprising a seat body, a back cushion is fixed at the upper end of the seat body, a movable plate is arranged on one side of the upper end of the seat body, a rotating seat and a first suction seat are arranged on the two sides of thebottom end of the movable plate and located on one side of the upper end of the seat body, a second suction seat is arranged on the other side of the upper end of the seat body, first grooves are formed in the inner surfaces of the two sides of the seat body, the bottom end of each first groove is provided with a second groove which is formed in a position in the seat body, a screw rod is arrangedin each first groove, a rotary knob is arranged at the upper end of the screw rod, a push block is arranged at the bottom end of the screw and located in the second groove, a connecting rod is arranged at the bottom end of th