KR102179117B1 - Respiration mask - Google Patents

Abstract

A breathing mask according to the present invention allows exhalation and inhalation to enter and exit only through a nostril cover of a ventilated structure capable of completely enclosing the nostril by being in close contact with the nostril and an inhalation and exhalation receiving part of a pocket structure provided inside a mask filter. The mask prevents the breathing of fine dust that is not filtered through the gap between the face and the mask, and at the same time expands the breathing capacity to make breathing comfortable. The exhalation is directly discharged to the atmosphere through an exhalation passage provided in the filter, and the inhalation is sucked through an inhalation passage after filtering, thereby preventing the deterioration of the filter due to the moisture of the exhalation. The corrugated wrinkles on the filter greatly increase the breathing area of the mask.

Description

Breathing mask {RESPIRATION MASK}

The present invention relates to a mask for breathing, and more particularly, exhalation and inhalation are only through a ventilating nostril cover that is in close contact with the nostril to completely wrap the nostril and an intake and exhaust receiving portion of a pocket structure provided inside the mask filter. It is not filtered through the gap between the face and the mask to prevent breathing, and at the same time, the breathing capacity is expanded to make breathing comfortable, or it is discharged directly into the atmosphere through the exhaust passage provided in the exhalation filter. The present invention relates to a breathing mask that prevents deterioration of the filter due to moisture from exhalation by allowing it to be inhaled through the inhalation passage after inhaled filtering, and has a wavy wrinkle in the filter to greatly increase the breathing area of the mask.

In the case of existing masks in the market, there is a problem of low filtering efficiency because unfiltered air leaks into the gap between the left and right curved portions of the face and nose and the edge of the mask.

In addition, the filter is moistened by the moisture of the exhalation, so that the mask cannot be worn for a long time, the filtering function of the electrostatic filter is deteriorated, and the filter becomes a habitat for pathogenic microorganisms, which adversely affects the wearer's health.

In addition, in order to increase the filtering efficiency of the mask, it is important to increase the filtering area.However, in the case of the existing mask, the filter covers the entire face and appears to have a large filtering area, but in reality, the mask is only breathed through the curved pores around the nose. The filtering area is not wider than expected.

In order to increase the filtering area, a bowl-shaped hilarious mask is being released, but the unfiltered air still leaks in due to the incomplete adhesion to the face, and the appearance is not beautiful as it protrudes in the shape of a bowl.

To solve this problem, the applicant of the present invention has proposed a'mask having a ventilated nostril cover' through a utility model registration application (registration number 20-0488024).

The proposed mask has a ventilated nostril cover that can completely wrap the nostril by being in close contact with the nostril, so that the wearer's breathing is easy and fine dust in the air is filtered out, but a mask that communicates with the nostril cover As the filter does not deviate from the conventional technology level, the filtering effect such as fine dust still decreases, and it is difficult to expand the breathing capacity.

Republic of Korea Utility Model Publication No. 20-0476397 (February 7, 2015) Republic of Korea Utility Model Publication No. 20-0488024 (2018.11.29.)

The present invention was invented to improve the problems of the prior art, and an object of the present invention is an intake/exhaust air intake and exhaust of a ventilated nostril cover capable of completely enclosing the nostril and a bag structure provided inside a mask filter. Breathing that allows exhalation and inhalation to enter and exit through the receiving part, preventing breathing of fine dust or pathogenic microorganisms that are not filtered through the gap between the face and the mask, and at the same time expanding the breathing capacity to make breathing comfortable. In providing a mask.

Another object of the present invention is to discharge the exhaled immediately into the atmosphere through an exhaust passage provided in a ventilated nostril cover and a mask filter capable of completely enclosing the nostril by being in close contact with the nostril, and to be inhaled through the intake passage after inhalation filtering. By doing so, it prevents breathing of fine dust or pathogenic microorganisms that are not filtered through the gap between the face and the mask, and at the same time, it prevents the filter from functioning by the moisture of the exhalation and pathogenic microorganisms in the exhalation from inhabiting the filter. It is to provide a breathing mask that can be used.

Another object of the present invention is to provide a breathing mask in which the mask filter is provided with corrugated wrinkles to greatly increase the breathing area of the mask.

In order to achieve the above object, the present invention relates to a mask in which the mask body part, the nostril cover, and the mask filter part communicate with each other by a vent hole, wherein the mask body part is provided with vent holes in a portion corresponding to the user's nose, and A main body that is fixed to the user's ear through ring-shaped rings provided at both ends; A ventilation hole is provided in the central portion, and a protrusion is integrally provided along the periphery of the ventilation hole to include a first fastening hole penetrating the ventilation hole of the main body, and the mask filter unit includes a first filter assembly and a second filter assembly. And an intake and exhaust receiving portion having a bag structure between the first filter assembly and the second filter assembly, and the ventilation hole of the first filter assembly is in communication with the intake and exhaust receiving portion, so that the protrusion of the mask body portion is provided with the first filter. It provides a breathing mask which penetrates through the ventilation hole of the assembly and protrudes into the interior of the intake/exhaust accommodation part.

In addition, the present invention provides a breathing mask in which the first filter assembly is replaced with a ventilation barrier membrane without a filter function, and the second filter assembly is replaced with a corrugated wrinkle filter assembly with an increased filter area.

In addition, the present invention is to form a through hole in the corrugated wrinkle filter assembly of the breathing mask so as to communicate with the ventilation hole of the mask body portion, and having an intake and exhaust valve assembly over the formed through hole and the intake and exhaust receiving portion, the exhaled intake and exhaust It provides a breathing mask that is discharged through the exhaust valve plate of the valve assembly and inhaled through the intake valve plate of the intake and exhaust valve assembly.

Here, the corrugated wrinkle filter assembly further includes a horizontal groove along the longitudinal direction.

In addition, the exhaust valve plate includes a bottom plate having an exhaust through-hole formed at the center thereof; A cover in the form of a hexahedron with an open bottom, having processing portions for ventilation on left and right sides and front surfaces, and attached to an upper surface of the bottom plate; A partition wall in the form of a column cross provided on an inner circumferential surface of the exhaust through hole; It includes an exhaust opening and closing membrane provided between the exhaust through hole and the partition wall, and has a function as an exhaust check valve that is opened only when the exhaust system is exhaled.

In addition, the intake valve plate is an approximate rectangular parallelepiped that is hollow and has a thin thickness, and all of the left and right sides and upper and lower ends are sealed, and an approximately elliptical connection hole is passed through the front and rear ends, and the intake opening inside A closing membrane is provided, and has a function as an intake check valve that opens only when the intake opening/closing membrane is inhaled.

In addition, here, the mask filter part is detachably fastened to the body part.

The breathing mask according to the present invention allows exhalation and inhalation to enter and exit through a ventilated nostril cover that is in close contact with the nostril to completely wrap the nostril and an intake and exhaust receiving portion of a pocket structure provided inside the mask filter. It has the effect of not breathing fine dust or pathogenic microorganisms, etc. that are not filtered through the gap between them and at the same time expands the breathing capacity to make breathing comfortable.

In addition, the breathing mask according to the present invention is discharged directly into the atmosphere through an exhaust passage provided in a ventilated nostril cover and a mask filter that can completely wrap the nostril by being in close contact with the nostril, and after inhalation filtering, the intake passage By allowing it to be inhaled through the face and mask, it prevents breathing of fine dust or pathogenic microorganisms that are not filtered through the gap between the face and the mask. It has an effect that can prevent it.

In addition, the breathing mask according to the present invention has the effect of greatly increasing the breathing area of the mask by having a wavy wrinkle in the filter.

1 is a perspective view showing a breathing mask according to an embodiment of the present invention,
Figure 2 is an exploded perspective view of the respiration mask shown in Figure 1,
Figure 3 is an image showing the nostril cover of the breathing mask according to an embodiment of the present invention,
Figure 4 is an exploded cross-sectional view of a breathing mask according to an embodiment of the present invention,
5 is a combined cross-sectional view of a breathing mask according to an embodiment of the present invention,
Figure 6 is a cross-sectional view of the main part of the respiration mask according to an embodiment of the present invention,
7 is a perspective view showing a corrugated wrinkle filter assembly of a breathing mask according to another embodiment of the present invention,
8 is a stacked structure diagram of the corrugated filter assembly shown in FIG. 7;
9 is a cross-sectional view of a main part of a breathing mask according to another embodiment of the present invention,
10 is a cross-sectional view of a main part of a breathing mask according to another embodiment of the present invention,
11 is a plan view showing the exhaust valve plate of the breathing mask shown in FIG. 10;
12 is a rear view showing the exhaust valve plate of the breathing mask shown in FIG. 10;
13 is a perspective view showing an intake valve plate of the breathing mask shown in FIG. 10;
14 is a schematic diagram of an intake and exhaust valve assembly showing air flow when breathing in while wearing the breathing mask shown in FIG. 10;
15 is a schematic diagram of an intake and exhaust valve assembly showing the air flow when exhaling while wearing the breathing mask shown in FIG. 10.

Hereinafter, a breathing mask according to an embodiment of the present invention will be described in detail.

The terms or words used below should not be interpreted as being limited to their usual or dictionary meanings, and based on the principle that the inventor can appropriately define the concept of terms in order to explain his own invention in the best way. , It should be interpreted as a meaning and concept consistent with the technical idea of the present invention.

1 is a perspective view showing a breathing mask according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of the breathing mask shown in FIG. 1, and FIG. 3 is a view of a breathing mask according to an embodiment of the present invention. It is an image diagram showing the nostril cover.

In addition, Figure 4 is an exploded cross-sectional view of a breathing mask according to an embodiment of the present invention, Figure 5 is a combined cross-sectional view, Figure 6 is a cross-sectional view of its main parts combined.

[Example 1]

The breathing mask according to an embodiment of the present invention is largely divided into a mask body portion 10, a nostril cover 20, and a mask filter portion 30.

1 to 3, the mask body part 10 is a part that comes into contact with the user's face, and has an approximately elliptical air hole in a part corresponding to the nose of the body 11 made of a material such as spandex. (11a) is provided.

In addition, the main body 11 is fixed to the user's ear through ring-shaped rings 11b provided at both left and right ends in the form of a conventional mask.

In addition, the first fastening port 12 is connected to one side of the main body 11 and the second fastening port 13 is connected to the other side of the main body 11 with the ventilation hole 11a of the main body 11 interposed therebetween. The first fastening hole 12 is made of synthetic resin and has an approximately elliptical vent hole 12a formed at the center thereof, and a protrusion 12b having a predetermined height along the periphery of the vent hole 12a is integrated. It is equipped with.

That is, the first fastening hole 12 is in a state in close contact with one side of the body 11, the protrusion 12b is the ventilation hole 11a of the body 11 and the ventilation hole 13a of the second fastening hole 13 ) Is configured to protrude by a predetermined height through each.

The second fastener 13 is made of synthetic resin or rubber, and has an approximately oval-shaped ventilation hole 13a at the center thereof, and the first and second fasteners 12 and 13 connect the body 11 It is bonded by sewing or the like in the state of being in close contact with each other between them.

2 to 4, the nostril cover 20 is made of a soft elastic body (silicone rubber, urethane foam, etc.), one or more ventilation holes 21 that are in close contact with the periphery of the user's nostrils and communicate with the nostrils. ), and the vent hole 21 is fastened to one side of the first fastening hole 12 so that the vent hole 21 communicates with the vent hole 12a of the first fastening hole 12.

In addition, the nostril cover 20 is provided with a fastening iron piece buried portion 27 at both ends of the left and right as a fastening means with the first fastening hole 12, and for fastening to the left and right ends of the corresponding first fastening hole 12 By embedding the magnetic body (12c), the iron piece buried portion (27) of the nostril cover (20) is fixed to the magnetic body (12c) of the first fastener (12) so that the nostril cover (20) becomes the first fastener (12). ) Is detachably fastened.

In addition, although not shown, a fastening protrusion is formed at both ends of the nostril cover 20, and a fastening groove is provided at both left and right ends of the first fastening hole 12 corresponding thereto, and the protrusion and the concave groove The cover 20 may be detachably fastened to the first fastening hole 12.

4 to 6, the mask filter unit 30 is detachably attached to the other side of the body 11 so as to correspond to the nostril cover 20, such as fine dust in the air while the wearer breathes. It performs a function of filtering.

As described above, the mask filter unit 30 is detachably attached to the mask body unit 10, so that when the mask filter unit 30 is contaminated, it is easy to replace and use it.

The mask filter unit 30 according to an embodiment of the present invention includes a first filter assembly 31, a second filter assembly 32, and a third fastening hole 33. The first filter assembly 31 is in close contact with one side of the body 11 through the second fastener 13 and the third fastener 33, and is an inner skin 31a made of a non-woven fabric and a filter 31b. ), the electrostatic filter 31c is sequentially stacked from the face of the wearer toward the outside.

The electrostatic filter 31c is capable of adsorbing fine dust or pathogenic microorganisms in the air because the filter is charged.

The second filter assembly 32 is provided to be spaced apart from the first filter assembly 31 with the intake/exhaust receiving part S interposed therebetween, and the outer shell 32a made of a nonwoven fabric, a filter 32b, and an electrostatic filter 32c are provided. It is sequentially stacked from the outside toward the wearer's face.

The intake and exhaust receiving part S is a space provided between the first filter assembly 31 and the second filter assembly 32, and has a width corresponding to about 1/5 of the total width of the mask filter part 30 , After overlapping the first filter assembly 31 and the second filter assembly 32, the edge is thermally fused to form the mask filter unit 30 as a single structure, so the intake and exhaust receiving unit S has a three-dimensional bag-shaped structure. Have.

In addition, an elliptical vent hole 31d is formed in the first filter assembly 31, and the vent hole 31d communicates with the intake and exhaust receiving portion S.

The mask filter unit 30 according to an embodiment of the present invention preferably has pleated edges 30a on both left and right sides, which prevents the mask filter unit 30 from being completely in close contact with the body 11, This is to make the user's breathing more comfortable.

5 and 6, the third fastening hole 33 is made of an elastic body (silicone rubber, urethane foam, etc.) and has a ventilation hole 33a in the center thereof, and the ventilation hole of the first filter assembly 31 It is bound by thermal fusion along the periphery of (31d).

In addition, the mask filter unit 30 is detachably fastened to the body 11, and at this time, the detachable method is not particularly limited, but in one embodiment of the present invention, the mask filter unit 30 and the body unit 10 are each The hook button, also known as the snap button, was applied.

Hereinafter, the operation of the present invention having the above-described configuration will be described.

In order for the user to wear a mask, the nostril cover 20 and the mask body portion 10 through the iron piece buried portion 27 provided in the nostril cover 20 and the magnetic body 12c provided in the first fastening hole 12 In addition to tightly fastening the mask filter unit 30 to the body 11 through a hook button coupling method, as shown in Fig. 6, the first fastening port 12 having a vent hole 12a The protrusion (12b) of the main body 11 is a ventilation hole (11a), a ventilation hole (13a) of the second fastening hole (13), a ventilation hole (33a) of the third fastening hole (33), and the first filter assembly ( After passing through the ventilation holes 31d of 31) in sequence, the tip of the end portion protrudes into the interior of the intake and exhaust receiving portion S for a certain length.

When breathing while wearing a mask in such a state, the inhaled air is the second filter assembly 32 including the outer skin 32a, the filter 32b, and the electrostatic filter 32c, the inner skin 31a, and the filter 31b. , Filtered while flowing into the intake/exhaust receiving part (S) through the first filter assembly 31 including the electrostatic filter (31c), and the filtered air protruding into the inside of the intake/exhaust receiving part (S) ) Is introduced into the user's nose through the ventilation hole 21 of the nostril cover 20 via the ventilation hole 12a.

At this time, fine dust or pathogenic viruses in the air are filtered by the filters 31b and 32b of the first and second filter assemblies 31 and 32 and the electrostatic filters 31c and 32c.

The exhaled air is discharged into the atmosphere along a path opposite to that of the inhaled air.

In the process as described above, the nostril cover 20 is tightly coupled to the first fastener 12, and is tightly attached to the wearer's nose, so that breathing air enters and exits through the fastening area with the first fastener 12 and around the nose. This is suppressed, and the entrance of the breathing air is ventilated through the nostril cover 20 of the ventilation structure, the mask body portion 10 communicating with the ventilation structure of the nostril cover 20, and the ventilation holes 11a, 12a of the mask filter unit 30 , 13a, 31d) and through the path of the intake and exhaust receiving portion (S) of the pocket structure, it is not filtered through the gap between the face and the mask and does not breathe fine dust or pathogenic viruses that leak.

In addition, since the intake and exhaust receiving portion (S) through which inhalation and exhalation pass through is made of a pocket structure, the breathing capacity is expanded, so that comfortable breathing is possible.

In addition, since the mask filter unit 30 is detachable to the body unit 10, when the mask filter unit 30 is contaminated, it is easy to replace and use the mask filter unit 30.

[Example 2]

7 is a perspective view showing a corrugated wrinkle filter assembly of a breathing mask according to another embodiment of the present invention, FIG. 8 is a stacked structure diagram of the corrugated wrinkle filter assembly shown in FIG. 7, and FIG. 9 is another embodiment of the present invention It is a cross-sectional view of the main part of the breathing mask.

Referring to this, in another embodiment (Example 2) of the present invention, only the configuration of the mask filter unit 30 in Example 1 is different, and the mask filter unit of the respiration mask according to another embodiment of the present invention Reference numeral 30 includes a ventilation barrier layer 34 and a corrugated wrinkle filter assembly 35 having a predetermined thickness.

The ventilation barrier film 34 according to another embodiment of the present invention is a single structure made of a non-breathable material (for example, vinyl coated cloth) and has a separate ventilation hole 34a.

The corrugated wrinkle filter assembly 35 according to another embodiment of the present invention has a corrugated structure in the shape of a wave along the longitudinal direction, and a predetermined distance from the ventilation barrier film 34 with the intake and exhaust receiving portion S interposed therebetween. They are spaced apart, and the first nonwoven fabric 35a, the nanofilter 35b, and the second nonwoven fabric 35c are sequentially stacked from the outside toward the wearer's face.

In addition, the corrugated wrinkle filter assembly 35 according to another embodiment of the present invention has a slightly thicker shape than the ventilation barrier layer 34, and when wearing the mask, the horizontal groove along the length direction so that the mask is well adapted to and adheres to the curve of the face. It is configured to be folded well in the width direction with (35d)

The breathing mask according to another embodiment of the present invention having the above configuration has a larger breathing area and a filtering area than the breathing mask of Example 1 described above by the corrugated structure of the corrugated filter assembly 35. do.

In addition, the corrugated wrinkle filter assembly 35 according to another embodiment of the present invention includes a nano filter 35b for filtering using a dense structure of nanofibers, so that the filtering function is easily degraded by moisture of exhalation. Compared to the electrostatic filter 32c of Example 1, the filtering life can be significantly extended.

The breathing mask according to another embodiment of the present invention is also provided through a magnetic body 12c provided in the iron piece buried part 27 provided in the nostril cover 20 and the first fastening hole 12 in order for the user to wear the mask. When the nostril cover 20 and the mask body portion 10 are closely coupled together, the mask filter portion 30 is coupled to the body 11 through a hook button coupling method, as shown in FIG. The protrusion 12b of the first fastener 12 having 12a) is a ventilation hole 11a of the main body 11, a ventilation hole 13a of the second fastener 13, and a third fastener 33 After passing through the ventilation hole 33a of the ventilation hole 33a and the ventilation hole 34a of the ventilation blocking film 34 in order, the tip portion of the air intake and exhaust receiving portion S protrudes for a certain length.

When breathing while wearing a mask in such a state, the inhaled air passes through the corrugated wrinkle filter assembly 35 including the first nonwoven fabric 35a, the nanofilter 35b, and the second nonwoven fabric 35c. It is filtered as it flows into S), and the filtered air passes through the ventilation hole 12a of the protrusion 12b protruding to the intake and exhaust receiving portion S, and the user through the ventilation hole 21 of the nostril cover 20 Flows into the nose.

In the above first embodiment, the inhaled air was also filtered through the first filter assembly 31 located on the face of the wearer, but in the second embodiment, the ventilation blocking film 34 is disposed at the same position. Filtering through 34) is not performed.

The exhaled air is discharged into the atmosphere along a path opposite to that of the inhaled air.

The breathing mask according to another embodiment of the present invention is also in close contact with the first fastener 12 and tightly adheres to the wearer's nose, so that the fastening portion and the nose with the first fastener 12 The access of the breathing air through the surroundings is suppressed, and the access of the breathing air is the nostril cover 20 of the ventilation structure, the mask body part 10 and the mask filter part 30 communicating with the ventilation structure of the nostril cover 20 The ventilation holes (11a, 12a, 13a, 34a) and the intake/exhaust receptacle (S) of the pocket structure prevent breathing of fine dust or pathogenic viruses that are not filtered through the gap between the face and the mask. do.

In addition, since the intake and exhaust receiving portion (S) through which inhalation and exhalation pass through is made of a pocket structure, the breathing capacity is expanded, so that comfortable breathing is possible.

In addition, since the mask filter unit 30 is detachable to the main body 11, when the mask filter unit 30 is contaminated, it is easy to replace and use the mask filter unit 30.

[Example 3]

Figure 10 is a cross-sectional view showing the main part of the respiration mask according to another embodiment of the present invention, Figure 11 is a plan view showing the exhaust valve plate of the breathing mask shown in Figure 10, Figure 12 is a breathing shown in Figure 10 A rear view showing the exhaust valve plate of the dragon mask, FIG. 13 is a perspective view showing the intake valve plate of the breathing mask shown in FIG. 10, and FIGS. 14 and 15 are each wearing a breathing mask shown in FIG. It is a schematic diagram to explain the flow of air when you inhale and when you exhale.

Referring to this, another embodiment (Example 3) of the present invention is the addition of the intake and exhaust valve assembly 40 to the mask filter unit 30 of the previous embodiment 2, the corrugated wrinkles of the mask filter unit 30 A through hole is formed in the filter assembly 35 so as to communicate with the ventilation hole 12a of the mask body portion 10, and an intake and exhaust valve assembly 40 is provided across the formed through hole and the intake receiving part S', The intake and exhaust valve assembly 40 includes an exhaust valve plate 42 and an intake valve plate 44, and is discharged through an exhaust valve plate 42 provided in the through hole of the exhaled corrugated filter assembly 35, The inhaled intake is sucked through the intake valve plate 44 provided in the intake receiving part S'.

11 and 12, the exhaust valve plate 42 according to another embodiment of the present invention has a cover 42b attached to the top surface of the bottom plate 42a, but the cover 42b has an open bottom surface. It is a hexahedral shape and has a substantially rectangular processing part 42c for ventilation on the left and right sides and the front side when viewed from the top, and at this time, the bottom plate 42a and the cover 42b are also capable of being integrated.

In addition, an exhaust through hole 42d is formed in the center of the bottom plate 42a, and a partition wall 42e in the form of a column cross is installed on the inner circumferential surface of the exhaust through hole 42d, and the exhaust through hole 42d ) And the partition wall 42e, a circular exhaust opening/closing membrane 42f is attached, but the exhaust opening/closing membrane 42f moves back and forth according to the flow of air to allow partial opening and closing of the exhaust through-hole 42d. It is attached between the through-hole 42d and the partition wall 42e to cover about half (1/2) of the exhaust through-hole 42d.

The exhaust shut-off film 42f according to another embodiment of the present invention functions as an exhaust check valve that is opened only when exhaling.

13, the intake valve plate 44 according to another embodiment of the present invention is a substantially rectangular parallelepiped made of PET material with a hollow and thin thickness, and both the left and right sides and the upper and lower ends are sealed, and the front and rear ends. An approximately oval-shaped connection hole 44a is penetrated at one end, and an intake through hole 44c and an intake opening/closing membrane 44b are provided on one side, and the intake opening/closing membrane 44b is front and rear according to the flow of air. 1/3 of the total area is attached to the inner surface of the intake through-hole 44c so as to be movable.

The intake closing film 44b according to another embodiment of the present invention functions as an intake check valve that is opened only when inhaled.

It is preferable that the intake valve plate 44 according to another embodiment of the present invention has a slightly curved shape in the form of << so that it can adapt to the contour of the face of the wearer.

The intake valve plate 44 according to another embodiment of the present invention is fixedly attached to the bottom plate 42a of the exhaust valve plate 42 by one side of the intake valve plate 44. The connection hole 44a communicates with the exhaust through hole 42d of the exhaust valve plate 42.

The breathing mask according to another embodiment of the present invention having the above configuration is discharged directly into the atmosphere through the exhaust valve plate 42 of the intake and exhaust valve assembly 40 without exhalation filtering, and the inhalation filter is performed to By inhaling through the intake valve plate 44 of the valve assembly 40, the flow path of exhalation and inhalation is separated, and the exhalation is immediately discharged into the atmosphere, so that the mask filter is moistened by the moisture of the exhalation, and the mask can be used for a long time. It is prevented that the filter cannot be performed, the filtering function of the electrostatic filter is deteriorated, or the filter becomes a habitat for pathogenic microorganisms, which adversely affects the wearer's health.

The breathing mask according to another embodiment of the present invention also includes a magnetic body 12c provided in the iron piece buried part 27 provided in the nostril cover 20 and the first fastening hole 12 in order for the user to wear the mask. When the nostril cover 20 and the mask body portion 10 are in close contact with each other, and the mask filter portion 30 is coupled to the body 11 through a hook button coupling method, as shown in FIG. The protrusion 12b of the first fastening port 12 provided with (12a) is the ventilation hole 11a of the main body 11, the ventilation hole 13a of the second fastening port 13, and the third fastening port 33 After passing through the ventilation hole 33a of) and the ventilation hole 34a of the ventilation blocking film 34 in order, the tip portion of the intake valve plate 44 protrudes into the connection hole 44a of the intake valve plate 44 for a certain length.

When breathing while wearing a mask in such a state, the inhaled air passes through the corrugated wrinkle filter assembly 35 including the first nonwoven fabric 35a, the nanofilter 35b, and the second nonwoven fabric 35c. S') is filtered while flowing, and the filtered air protrudes into the through hole 44c of the intake valve plate 44 with the intake opening/closing membrane 44b open and the connection hole 44a of the intake valve plate 44 It is introduced into the user's nose through the ventilation hole 21 of the nostril cover 20 via the ventilation hole 12a of the protrusion 12b. At this time, the exhaust opening/closing film 42f of the exhaust valve plate 42 closes the exhaust through-hole 42d.

Filtering through the ventilation barrier 34 is not performed as in the previous second embodiment.

Exhaled air follows the path in the reverse order of the inhaled air, but passes through the ventilation hole 12a of the protrusion 12b protruding into the connection hole 44a of the intake valve plate 44 and the exhaust valve plate 42 It is significantly different from the second embodiment in that it is discharged directly into the atmosphere through the hole 42d. At this time, the intake opening/closing membrane 44b of the intake valve plate 44 closes the intake through hole 44c.

In the breathing mask according to another embodiment of the present invention, the nostril cover 20 is in close contact with the first fastener 12 and tightly adheres to the nose of the wearer, so that the fastening portion with the first fastener 12 and The access of breathing air through the nose is suppressed, and the inhaled air is sequentially passed through the intake receptacle (S') and the intake valve plate 44 of the bag structure and flows into the nose, so it is not filtered through the gap between the face and the mask. It will not breathe fine dust or pathogenic viruses that leak through.

In addition, since the mask filter unit 30 is detachable to the main body 11, when the mask filter unit 30 is contaminated, it is easy to replace and use the mask filter unit 30.

As described above with reference to the illustrated drawings for the breathing mask according to the present invention, the present invention is not limited by the embodiments and drawings disclosed in the present specification, and various modifications can be made by those skilled in the art within the scope of the present invention. Of course it can be done.

10: mask body portion
11: main body 11a: ventilation hole 11b: ring-shaped ring
12: first fastening hole 12a: vent hole 12b: protrusion 12c: magnetic body
13: 2nd fastening port 13a: vent hole
20: nostril cover
21: ventilation hole 27: reclaimed iron piece
30: mask filter unit
30a: wrinkle border
31: first filter assembly 31a: inner skin 31b: filter 31c: electrostatic filter 31d: ventilation hole
32: second filter assembly 32a: outer sheath 32b: filter 32c: electrostatic filter
33: third fastening port 33a: vent hole
34: ventilation barrier 34a: ventilation hole
35: Wavy wrinkle filter assembly
35a: first nonwoven fabric 35b: nanofilter 35c: second nonwoven fabric 35d: horizontal groove
S: intake and exhaust receiving portion S': intake receiving portion
40: intake and exhaust valve assembly
42: exhaust valve plate
42a: bottom plate 42b: cover 42c: processing portion 42d: exhaust through hole
42e: bulkhead 42f: opening and closing membrane
44: intake valve plate
44a: connecting hole 44b: intake opening/closing membrane 44c: intake through hole

Claims (7)

In a mask in which the mask body portion 10, the nostril cover 20, and the mask filter portion 30 communicate with each other through a ventilation hole,
The mask body portion 10,
A main body 11 provided with a ventilation hole 11a in a portion corresponding to the user's nose and fixed to the user's ears through ring-shaped rings 11b provided at both left and right ends; A ventilation hole (12a) is provided in the central portion and a protrusion (12b) is integrally installed along the circumference of the ventilation hole to include a first fastening hole (12) penetrating through the ventilation hole (11a) of the main body (11), ,
The mask filter unit 30,
An intake receiving portion (S') having a bag structure is provided between the ventilation barrier membrane 34 without a filter function, the corrugated wrinkle filter assembly 35 with increased filter area, and the ventilation barrier layer 34 and the corrugated wrinkle filter assembly 35. Equipped,
A through hole is formed in the corrugated wrinkle filter assembly 35 so as to communicate with the vent hole 12a of the mask main body 10, and the intake and exhaust valve assembly 40 spans the formed through hole and the intake receiving part S'. ), and the intake and exhaust valve assembly 40 includes an exhaust valve plate 42 and an intake valve plate 44,
The protrusion 12b of the mask body 10 passes through the ventilation hole 34a of the ventilation blocking film 34, and the tip of the mask body portion 10 protrudes into the connection hole 44a of the intake valve plate 44 for a certain length. And, the connection hole (44a) of the intake valve plate (44) is in communication with the exhaust through hole (42d) of the exhaust valve plate (42),
Exhaled through the exhaust valve plate 42 provided in the through hole of the corrugated wrinkle filter assembly 35, and sucked through the intake valve plate 44 provided in the inhaled intake receiving portion S', Breathing mask. delete delete The method of claim 1,
A breathing mask having a horizontal groove (35d) along the longitudinal direction of the corrugated wrinkle filter assembly (35), The method of claim 1,
The exhaust valve plate 42,
A bottom plate 42a having an exhaust through-hole 42d formed at the center thereof;
A cover (42b) having a processing part (42c) for ventilation in the left and right sides and in the front of the bottom of the open hexahedron and attached to the upper surface of the bottom plate (42a);
A partition wall (42e) in the form of a column cross provided on the inner circumferential surface of the exhaust through hole (42d);
A breathing mask comprising an exhaust opening/closing membrane 42f provided between the exhaust through hole 42d and the partition wall 42e, and having a function as an exhaust check valve that is opened only when the exhaust opening/closing membrane 42f is exhaled. The method of claim 1,
The intake valve plate 44,
As a hollow rectangular parallelepiped, all of the left and right sides and upper and lower ends are sealed, and an elliptical connection hole 44a is passed through the front and rear ends, and an intake opening/closing membrane 44b is provided therein. A breathing mask having a function as an intake check valve that opens only when the intake opening/closing membrane 44b is inhaled. The method of claim 1,
The mask filter unit 30 is a breathing mask that is detachably fastened to the body unit 10.

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