Oral cavity supporting oxygen mask for painless endoscope

The utility model discloses a painless endoscope oral cavity supporting oxygen mask in the technical field of medical instruments, which comprises a mask, an oxygen inhalation component is fixedly mounted on the mask, and an oral cavity supporting device is fixedly mounted below the mask; the mask comprises a mask body, a first inserting hole is formed in the upper portion of the mask body, a second inserting hole is formed in the lower portion of the mask body, and square communicating holes are formed in the positions, located on the upper side and the lower side of the second inserting hole, of the lower portion of the mask body. The oral cavity supporting device comprises a fixing assembly, and an oral cavity supporting assembly is installed on the fixing assembly. The fixing assembly comprises a fixing block body, the fixing block body is fixedly installed below the mask body, and a penetrating through hole communicated with the second inserting hole is formed in the middle of the fixing block body. The