Multifunctional oxygen inhalation equipment for emergency nursing

The utility model belongs to the technical field of medical consumables, and relates to a multifunctional oxygen inhalation device for emergency nursing, which comprises an adapter, an oxygen supply hose and an oxygen therapy straight tube are respectively arranged at two ends of the adapter, and fixing blocks are fixedly connected to ends, close to each other, of the oxygen supply hose and the oxygen therapy straight tube. A positioning block is slidably connected to the outer circumference of the fixing block, two annular cavities are formed in the inner wall of the conversion connector, the ends, extending out of the groove holes, of the positioning block are located in the cavities, an annular oxygen conveying pipe is fixedly connected to the top of the oxygen conveying straight pipe, a plurality of air outlet holes are formed in the annular oxygen conveying pipe, and tubular outer sleeves are arranged on the air outlet holes. And a nostril cannula is arranged on the tubular outer sleeve. The adapter has