Self-service delivery tube inner core of sample tube

The invention provides a self-service delivery tube inner core of a sample tube, and relates to the field of medical instruments. The sample tube self-service delivery tube inner core comprises a transmission mechanism and a control panel, the transmission mechanism comprises a transmission frame, second fixing blocks are fixedly arranged at the lower ends of the two sides of the transmission frame, a first supporting plate fixedly sleeves the portion, close to the upper end, of the outer surface of the transmission frame, and first fixing blocks are fixedly arranged on the two sides of the front end and the rear end of the first supporting plate; a discharging mechanism is fixedly arranged on one side of the upper end of the first supporting plate, and an air pump is fixedly arranged on the other side of the upper end of the first supporting plate. A sample tube can be sent out through the internally arranged discharging mechanism, when the sample tube is output, a second electric push rod on the upper porti