Breathing equipment for clinical anesthesia

The clinical anesthesia breathing equipment comprises a breathing machine, an oxygen uptake tube is inserted into the outer side of the breathing machine, a first covering frame is arranged on the outer side of the oxygen uptake tube, a threaded groove is formed in the inner wall of the first covering frame, a lead screw is vertically inserted into the threaded groove, and a screw rod is arranged in the threaded groove. The lower side of the lead screw is connected with a connecting block through a bearing, a contact plate is arranged on the lower side of the connecting block, a rotary knob is fixedly connected to the upper side of the lead screw, and the longitudinal section of the contact plate is of an arc-shaped structure. By arranging the contact plate and the lead screw, the oxygen inhalation tube can be prevented from falling off during use, smooth introduction of airflow is guaranteed, smooth oxygen therapy work can be guaranteed, injury to a patient is effectively avoided, and by arranging the connec