Multi-layer medical oxygen device suitable for different altitudes
An oxygen and altitude technology, applied in the direction of respiratory protection devices, respiratory filters, life-saving equipment, etc., can solve the problems of uncontrollable oxygen concentration, increased burden, inconvenient to carry, etc., achieve simple and fast switching steps, prolong the use time, Ease of use next time
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[0027] As a preferred embodiment of the present invention, one end of the silicone tube 19 passes through one side of the shelf 21 and communicates with the inside of the shelf 21, and one end of the connecting tube 14 is sleeved on one end of the silicone tube 19. on the outside.
[0028] As a preferred embodiment of the present invention, the vent hole 18 is set to one, the sealing block 16 is set to seven, the interval between the vent hole 18 and the sealing block 16 is equal, and the sleeve 20 Three silicone tubes 19 are respectively installed on both sides of each side, and the intervals between the silicone tubes 19 on each side are equal.
[0029] As a preferred embodiment of the present invention, the first magnet 6 and the second magnet 11 have the same size.
[0030] As a preferred embodiment of the present invention, a rubber ring is provided around the vent hole 18, and the sealing block 16 is hemispherical rubber.
[0031] As a preferred embodiment of the present
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