The utility model discloses an adjustable multifunctional protective restraint appliance for
psychiatry department in the technical field of medical
nursing instruments, which comprises a restraint strap and a fixing strap, an adjusting component is arranged on one side of the restraint strap, one side of the adjusting component far away from the restraint strap is fixedly connected with the fixing strap, and the other end of the fixing strap is connected with a
nursing bed; the adjusting
assembly comprises an adjusting sleeve part axially and fixedly connected to one side of the restraint strap in a sleeving mode, an adjusting shaft is rotationally connected to the center of the adjusting sleeve part, the adjusting shaft perpendicularly penetrates through the adjusting sleeve part and the restraint strap and is rotationally connected with the inner walls of the two sides of the adjusting sleeve part, and the adjusting shaft located in the adjusting sleeve part is meshed with a
toothed belt assembly. The fixing device is novel and perfect, unlocking is achieved by pressing the knob, the adjusting shaft is rotated to drive the
toothed belt assembly to collect or loosen the restraint strap, the knob is loosened to be locked again, limbs of a patient are wrapped under the appropriate tightness of the adjusting strap, and the length of the fixing strap is adjusted through the length adjuster to restrain the limbs of the patient from swinging. Therefore, the convenience and the safety of the adjustment operation are enhanced.