| 摘要 |
A diving snorkel is used by divers for breathing and includes a top housing and a main tube. The main tube is a hollow tube with openings at two ends and has a partition piece extending outwards at one end. The top housing is sleeved on the main tube, thus the partition piece spaces the internal space of the top housing into a water-guide pipe and an air intake pipe. The water-guide pipe is used to discharge the water entering the top housing, so as to prevent the water from entering the main tube and obstructing the snorkel during the using process, so as to allow the air to enter the main tube though the air intake pipe of the top housing smoothly.
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