A functional nasal breathing filter
A breathing filter and extra-nasal technology, applied in the field of functional extra-nasal breathing filters, can solve the problems of insufficient filtering effect of toxic and harmful small molecular substances, hidden dangers to the wearer's health and safety, and not being reusable, etc. Simple structure, low cost of use, easy to refill
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Embodiment 1
[0029] Embodiment 1: a kind of function type nasal external breathing filter, structure such as figure 1 shown, including:
[0030] Nose bracket 1, the front side of this nose bracket 1 is provided with nose clip 2, the both sides of nose bracket are provided with drop introduction device 6 (dropper type), drop plug 7, the reverse side of nose bracket 1 is provided with filter Cartridge 4, the front end of the filter cartridge 4 is detachably connected to the filter cover 3, at least one layer of filter disc 5 is installed in the filter cartridge 4, and the rear end of the filter cartridge is a ventilation structure.
[0031] There are two filter cartridges 4, and the front end of any one of the filter cartridges 4 is fixedly connected with the filter cover 3 through threads.
[0032] The nose clip 2 is made of elastic materials, including silica gel, rubber, elastic metal, etc., and is buckled in the depressions on both sides of the nose, so that the breathing filter can be ...
Embodiment 2
[0038] Embodiment 2: a kind of functional type nasal breathing filter, structure is still as figure 1 shown, including:
[0039] Nose bracket 1, the front side of this nose bracket 1 is provided with nose clip 2, the both sides of nose bracket are provided with drop introduction device 6 (dropper type), drop plug 7, the reverse side of nose bracket 1 is provided with filter Cartridge 4, the front end of the filter cartridge 4 is detachably connected to the filter cover 3, at least one layer of filter disc 5 is installed in the filter cartridge 4, and the rear end of the filter cartridge is a ventilation structure.
[0040] There are two filter cartridges 4, and the front end of any one of the filter cartridges 4 is fixedly connected with the filter cover 3 through threads.
[0041] The nose clip 2 is made of elastic materials, including silica gel, rubber, metal, etc., and is buckled in the depressions on both sides of the nose, so that the breathing filter can be well fixed ...
Embodiment 3
[0047] Embodiment 3: a kind of function type nasal external breathing filter, structure is still as figure 1 shown, including:
[0048] Nose bracket 1, the front of the nose bracket 1 is provided with a nose clip 2, the two sides of the nose bracket are provided with a drop introduction device 6 (internal channel type), a drop plug 7, and the reverse side of the nose bracket 1 is provided with a filter Cartridge 4, the front end of the filter cartridge 4 is detachably connected to the filter cover 3, at least one layer of filter disc 5 is installed in the filter cartridge 4, and the rear end of the filter cartridge is a ventilation structure.
[0049] There are two filter cartridges 4, and the front end of any one of the filter cartridges 4 is fixedly connected with the filter cover 3 through threads.
[0050] The nose clip 2 is made of elastic materials, including silica gel, rubber, metal, etc., and is buckled in the depressions on both sides of the nose, so that the breath...
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