The present application relates to the technical field of
mental health department, especially to a
mental health department self-
injury prevention safety structure, including seat, the upper part of the seat is provided with a
cushion part, the surface of the
cushion part is provided with a support part; the self-
injury prevention mechanism includes an electric push rod fixedly installed on the back of the
cushion part, the output end of the electric push rod is drivingly connected with a transmission member moving along the inside of the guide groove, one end of the transmission member is fixedly connected with a clamping part, one side of the clamping part is fixedly connected with a guide rail, the inside of the guide rail is slidably provided with a guide block, one side of the guide block is rotatably provided with a fixing piece, the surface of the fixing piece is fixedly provided with a pressure receiving piece, the pressure receiving piece on the surface of the fixing piece is accurately pressed on the lower jaw of the patient, the lower jaw part is flexibly folded and limited, the possibility of
biting tongue and other self-injury behaviors of the patient in the state of stress or emotional outburst is blocked, and the safety of the treatment environment and the
treatment effect are improved.