Breathing airbag device
AssigneeLili He
InventorsShunon Chan, Shamman Chan
Life of this patent
Estimating the term…
Abstract
A breathing airbag device includes a filter airbag, an inner holding stand, a nose holder, a mouth holder, and two elastic straps, wherein the filter airbag is adapted for interacting with and filtering the outside air, the inner holding stand is adapted for supporting and fixing the nose holder and mouth holder, the nose holder is adapted for fittingly supporting the human nose, the mouth holder is adapted for fittingly supporting the human mouth, the inner holding stand is located on the filter airbag, the nose holder and the mouth holder are located on the inner holding stand, and two ends of each of the elastic straps are fixed to an edge position of the nose holder. The present invention has some advantages of good tightness, simple structure and low manufacturing cost.
Claims4
A breathing airbag device, comprising:
- a filter airbag, an inner holding stand, a nose holder, a mouth holder and two elastic straps, wherein:
- the inner holding stand is located on the filter airbag, the nose holder and the mouth holder are located on the inner holding stand, two ends of the two elastic straps are respectively fixed to four edge positions of the nose holder;
- the filter airbag is adapted for interacting with and filtering outside air;
- the inner holding stand, adapted for supporting and fixing the nose holder and the mouth holder, comprises a first stand portion and a second stand portion, a first end of the first stand portion is inclinedly connected with a first end of the second stand portion, both a second end of the first stand portion and a second end of the second stand portion are inclinedly connected with the filter airbag, an angle defined by the first end of the first stand portion inclinedly connected with the first end of the second stand portion is an obtuse angle, a first convex hole is provided on the first stand portion, a second convex hole is provided on the second stand portion, the first convex hole protrudes towards a direction which connects the nose holder therewith, the second convex hole protrudes towards a direction which connects the mouth holder therewith, an inner diameter of the first convex hole is smaller than that of the second convex hole.
Dependencies are inferred from the claim text.