Multifunctional trachea cannula fixing device

The utility model discloses a multifunctional trachea cannula fixing device, which relates to the technical field of medical instruments and comprises a fixing sleeve, a connecting plate is fixedly mounted on the fixing sleeve, a long column is fixedly mounted on the connecting plate, a sliding column is slidably mounted on the connecting plate along an arc-shaped track of the connecting plate, a connecting rope is fixedly mounted on the sliding column, and the connecting rope is connected with the long column. A clamping block connected with the long column in a clamped mode is fixedly installed at the end, away from the sliding column, of the connecting rope, an inserting rod connected with the connecting plate in an inserted mode is slidably installed on the sliding column, a sliding groove with the T-shaped section is formed in the connecting plate, and a sliding block matched with the sliding groove in size is fixedly installed at the bottom end of the sliding column; the connecting plate is provided wit