Patent Publication Number: US-9844688-B2

Title: Breathing airbag device

Description:
BACKGROUND OF THE PRESENT INVENTION 
     Field of Invention 
     The present invention relates to a breathing airbag device. 
     Description of Related Arts 
     With the advancement of the industrial technology, the production and manufacturing techniques of the people&#39;s living daily necessities and industrial goods have been widely developed. As a daily necessities, the type and purpose of the breathing filter device has been extensively developed. The disposable mask is used to prevent the respiratory infection and dust in general, although this mask is cheap, due to its material and structural issues, the role of avoiding the respiratory infection is limited, the main reason is poor tightness to the nose and the mouth. The traditional high-end masks, such as gas masks, oxygen mask, etc., due to poor tightness to the nose and the mouth, have the security issues. Moreover, the traditional high-end mask has more complex structure and higher manufacturing cost. 
     SUMMARY OF THE PRESENT INVENTION 
     An object of the present invention is to provide a breathing airbag device for resolving the technical problems of the prior art that the breathing filtering device has poor tightness, complex structure and high manufacturing cost. The specific technical solution of the present invention is as follows. 
     The present invention provides a breathing airbag device which comprises 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. 
     Furthermore, the breathing airbag device comprises a naval breathing rubber sleeve connected with the filter airbag via the nose holder for enhancing a comfort of a support of a human nose. 
     Furthermore, the breathing airbag device comprises a mouth breathing rubber sleeve connected with the filter airbag via the mouth holder for enhancing a comfort of a support of a human mouth. 
     Furthermore, the naval breathing rubber sleeve and the mouth breathing rubber sleeve are soft rubber sleeves or thin silicone sleeves. 
     Furthermore, the filter airbag comprises an outer layer and an inner layer, wherein the outer layer is adapted for coating and protecting the inner layer, an airbag is formed between the outer layer and the inner layer, and a naval breathing opening and a mouth breathing opening, which are adapted for connecting with the airbag, are provided on each of the outer layer and the inner layer. 
     Furthermore, the inner holding stand comprises a first stand portion and a second stand portion, wherein one end of the first stand portion is inclinedly connected with one end of the second stand portion, the other end of the first stand portion and the other end of the second stand portion are inclinedly connected with the outer layer of the filter airbag, 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 correspondingly contacts with the naval breathing opening of the filter airbag, and the second convex hole correspondingly contacts with the mouth breathing opening of the filter airbag. 
     Furthermore, the nose holder comprises a nose holding body part, a nose holding connecting part and two nose holding undertaking parts, wherein the two nose holding undertaking parts are respectively located at two sides of the nose holding body part, and the nose holding body part is fixed with the two nose holding undertaking parts via the nose holding connecting part, a nose holding convex hole is provided in the middle of the nose holding body part for fittingly fixing the first convex hole of the inner holding stand. 
     Furthermore, the mouth holder comprises a mouth holding body part, and two mouth holding connecting parts respectively located at two sides of the mouth holding body part, wherein a mouth holding convex hole is provided in the middle of the mouth holding body part for fittingly fixing the second convex hole of the inner holding stand. 
     Furthermore, the breathing airbag device further comprises a flexible fixed rope for flexiblely fixing the mouth holder on the nose holder. 
     Furthermore, the outer layer and the inner layer are made of non-woven fabric, and the nose holder and the mouth holder are made of soft rubber material. 
     Compared with the prior art, the main beneficial effects of the breathing airbag device of the present invention are that: the filter airbag of the breathing airbag device provided by the present invention comprises two non-woven fabric layers, namely, the outer layer and the inner layer, which can better filter the air, the breathing airbag device of the present invention further comprises the nose holder and the mouth holder capable of better fittingly supporting the human nose and the human mouth, respectively, and has the good tightness to the human nose and the human mouth. Furthermore, the nose holder and the mouth holder of the breathing airbag device of the present invention are flexiblely connected with each other. The present invention can adjust the relative position of the nose holder and the mouth holder as required and has strong applicability. Furthermore, the breathing airbag device provided by the present invention further has the advantages of simple structure and low manufacturing cost. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG. 1  is an exploded view of a breathing airbag device according to a first embodiment of the present invention. 
         FIG. 2  is a partially assembling sectional view of the breathing airbag device according to the first embodiment of the present invention. 
         FIG. 3  is an overall structural diagram of the breathing airbag device of the present invention. 
         FIG. 4  shows that the breathing airbag device of the present invention contacts with a human face. 
     
    
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT 
     To make the objects, technical solutions and advantages of the present invention will be more clearly understood, the accompanying drawings and the following embodiments of the present invention will be described in detail. It should be understood that the specific embodiments described herein are merely to illustrate the invention and are not intended to limit the present invention. 
     Embodiment 1 
     Referring to  FIGS. 1 and 2  of the drawings, the present invention provides a breathing airbag device which comprises a filter airbag  110 , an inner holding stand  120 , a nose holder  130 , a mouth holder  140 , two elastic straps  150 , a flexible fixed rope (not shown in the drawings), a naval breathing rubber sleeve (not shown in the drawings), and a mouth breathing rubber sleeve (not shown in the drawings). The inner holding stand  120  is located on the filter airbag  110 , and the nose holder  130  and the mouth holder  140  are located on the inner holding stand  120 . The flexible fixed rope is adapted for flexiblely fixing the mouth holder  140  on the nose holder  130 . Two ends of the two elastic straps  150  are respectively fixed to four edge positions of the nose holder  130 . The naval breathing rubber sleeve is connected with the filter airbag  110  via the nose holder  130  and is adapted for enhancing the comfort of the support of the human nose. The mouth breathing rubber sleeve is connected with the filter airbag  110  via the mouth holder  140  and is adapted for enhancing the comfort of the support of the human mouth. The naval breathing rubber sleeve and the mouth breathing rubber sleeve are soft rubber sleeves or thin silicone sleeves. 
     The filter airbag  110 , adapted for interacting with and filtering the outside air, comprises an outer layer (not shown in the drawings) and an inner layer (not shown in the drawings). The outer layer is adapted for coating and protecting the inner layer, the airbag is formed between the outer layer and the inner layer, the naval breathing opening (not shown in the drawings) and the mouth breathing opening (not shown in the drawings), which are adapted for connecting with the airbag, are provided on each of the outer layer and the inner layer. A docking slot, adapted for connecting with the inner holding stand  120 , is provided on the outer layer. A rubber pad or a sponge pad is provided within the inner layer. The outer layer and the inner layer are made of non-woven fabric. 
     The inner holding stand  120 , adapted for supporting and fixing the nose holder  130  and mouth holder  140 , comprises a first stand portion  121  and a second stand portion  122 . One end of the first stand portion  121  is inclinedly connected with one end of the second stand portion  122 . The other end of the first stand portion  121  and the other end of the second stand portion  122  are inclinedly connected with the outer layer of the filter airbag  110 . A dip angle defined by one end of the first stand portion  121  inclinedly connected with one end of the second stand portion  122  is an obtuse angle. A first convex hole  123  is provided on the first stand portion  121 , and a second convex hole  124  is provided on the second stand portion  122 . The first convex hole  123  protrudes towards the direction which connects with the nose holder  130 . The second convex hole  124  protrudes towards the direction which connects with the mouth holder  140 . The first convex hole  123  correspondingly contacts with the naval breathing opening of the filter airbag  110 , and the second convex hole  124  correspondingly contacts with the mouth breathing opening of the filter airbag  110 . An inner diameter of the first convex hole  123  is smaller than that of the second convex hole  124 . The inner holding stand  120  is made of plastic or metal. 
     The nose holder  130  is adapted for fittingly supporting the human nose and circulating the air between the human nose and the filter airbag  110 . The nose holder  130  comprises a nose holding body part  131 , a nose holding connecting part  132  and two nose holding undertaking parts  133 , wherein the two nose holding undertaking parts  133  are respectively located at two sides of the nose holding body part  131 , and the nose holding body part  131  is fixed with the two nose holding undertaking parts  133  via the nose holding connecting part  132 . The nose holding body part  131  is oval, and a nose holding convex hole  134  is provided in the middle thereof. The nose holding convex hole  134  is oval, protrudes towards the direction of the top surface of the nose holding body part  131  and is adapted for fittingly fixing the first convex hole  123  of the inner holding stand  120 . The nose holding connecting part  132  is arched, its center position is fixed to one end where the short axis of the nose holding convex hole is located, its two ends are respectively fixed to the top ends of the two nose holding undertaking parts  133 . The two nose holding undertaking parts  133  are respectively correspondingly located at two sides of the nose holding body part  131 . Two convex legs  135  are respectively located at a top end and a bottom end of each of the two nose holding undertaking parts  133 , an elastic strap fixing hole  136  is provided on every convex leg, an elastic strap  150  is fixed to the two elastic strap fixing holes  136  at the top end of the two nose holding undertaking parts  133 , and an elastic strap  150  is fixed to the two elastic strap fixing holes  136  at the bottom end of the two nose holding undertaking parts  133 . A mouth holding fixing hole  137 , adapted for fittingly fixing the mouth holder  140 , is provided in the middle of each of the two nose holding undertaking parts  133 . The nose holder  130  is made of soft rubber material. The naval breathing rubber sleeve penetrates through the nose holding convex hole  134  of the nose holder  130  and the first convex hole  123  of the inner holding stand  120 , and connects with the filter airbag  110  for achieving the semi-floating connection. 
     The mouth holder  140  is adapted for fittingly supporting the human mouth and circulating the air between the human mouth and the filter airbag  110 . The mouth holder  140  comprises a mouth holding body part  141 , and two mouth holding connecting parts  142  respectively located at two sides of the mouth holding body part  141 . The mouth holding body part  141  is oval, and a mouth holding convex hole  143  is provided in the middle thereof. The mouth holding convex hole  143  is oval, protrudes towards the direction of the top surface of the mouth holding body part  141  and is adapted for fittingly fixing the second convex hole  124  of the inner holding stand  120 . The two mouth holding connecting parts  142  are respectively located at two ends of the top surface at the direction of the long axis of the mouth holding body part  141 . Each of the two mouth holding connecting parts  142  has the ladder bending structure, one end thereof extends outwardly, the other end thereof is located at the mouth holding body part  141 . A curved rod  144  and a lug  145  are located at the end of the mouth holding connecting part  142  extending outwardly. The curved rod  144  is adapted for fittingly fixing the mouth holding fixing hole  137  of the nose holder  130 . The curved rod  144  is located at the top surface at the extending outwardly end of every mouth holding connecting part  142  along a direction perpendicularly to the extending outwardly direction of every mouth holding connecting part  142 . The lug  145  is located at the top surface at the extending outwardly end of every mouth holding connecting part  142  along a direction opposite to the extending outwardly direction of every mouth holding connecting part  142 . The mouth holder  140  is made of soft rubber material. The mouth breathing rubber sleeve penetrates through the mouth holding convex hole  143  of the mouth holder  140  and the first convex hole  123  of the inner holding stand  120 , and connects with the filter airbag  110  for achieving the semi-floating connection. The mouth breathing rubber sleeve is the soft rubber sleeve or the thin silicone sleeve. The flexible fixed rope bypasses the edge of the mouth holding convex hole  143  of the mouth holding body part  141 , and respectively winds the curved rod  144  of one mouth holding connecting part  142  and the mouth holding fixing hole  137  of one nose holding undertaking part  133  located at two sides of the mouth holding body part  141 , thereby achieving the damping mobile of the mouth holder  140  relatively to the nose holder  130  along the vertical direction. 
     Embodiment 2 
     The breathing airbag device provided by the present invention and the breathing airbag device of the embodiment 1 is basically the same, and the main difference therebetween is that the inner holding stand is bonded to the airbag. 
     Embodiment 3 
     The breathing airbag device provided by the present invention and the breathing airbag device of the embodiment 1 is basically the same, and the main difference therebetween is that the amount of the elastic straps is one or more. 
     It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limited, although the preferred embodiments with reference to the present invention has been described in detail, those skilled in the art should appreciate that the techniques of the present invention can be modified or replaced with equivalents, without departing from the spirit and scope of the aspects of the present invention, which should be covered by the scope claimed by the present invention.