CN210186266U

CN210186266U - Nose mask

Info

Publication number: CN210186266U
Application number: CN201920878512.6U
Authority: CN
Inventors: Xinhong Chen; 陈信宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-04
Filing date: 2019-06-12
Publication date: 2020-03-27
Anticipated expiration: 2029-06-12
Also published as: TWM572769U

Abstract

The utility model provides a nose mask, which comprises a shell, a filter material and at least one expandable and contractible channel. The shell comprises two nasal breathing tubes; the filter material is arranged in the shell; at least one collapsible passage sets up in the casing, and each collapsible passage includes first end and second end, and two nose respiratory tubes of first end fluid intercommunication.

Description

Nose mask

Technical Field

The present invention relates to a nose mask, and more particularly to a nose mask which can improve the smoothness of breathing and is suitable for wearing.

Background

In recent years, the quality of the environmental air is continuously deteriorated, and a plurality of pollutants and allergens are often distributed in the air, so that people are easy to generate symptoms such as allergy or respiratory discomfort, and serious people even influence daily life. In order to avoid the above situation, a general person wears a mask to filter harmful substances in the air. Because the mask area is bigger, the mask can cover the mouth and nose of a user, is easy to cause discomfort such as dampness, sultriness and the like, and is influenced by the outline of the face, so that the mask is not easy to achieve good air tightness when being worn, and is not convenient for conversation or diet. In addition, many masks are made of textile fabric, and the surface is likely to be fluffy after repeated use, which may cause skin allergy again at the contact part.

To ameliorate the aforementioned problems, nasal filtration products are beginning to appear on the market. This kind of snuffle formula filters product only need be fixed in user's nasal cavity entrance, and can not shield the oral area, compares and to reduce its volume by a wide margin in general gauze mask, more increases convenience and portability in the use. However, how to improve the smoothness of breathing when using the nasal filtering product and make the nasal filtering product easier to wear and effectively fixed is a subject to be researched.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a nose mask which can improve the breathing smoothness and is suitable for wearing.

To achieve the above object, the nose mask of the present invention comprises a shell, a filter material, and at least one expandable/contractible channel. The shell comprises two nasal breathing tubes; the filter material is arranged in the shell; at least one collapsible passage is disposed in the housing, each collapsible passage including a first end and a second end, and the first ends are in fluid communication with the two nasal breathing tubes.

In an embodiment of the present invention, the second end of each expandable/contractible channel is contracted along with the negative pressure fluid environment formed in the housing to be closed, and the second end of each expandable/contractible channel is expanded along with the positive pressure fluid environment formed in the housing to form the fluid outlet.

In an embodiment of the present invention, the filter material includes a first side facing the two nasal breathing tubes and a second side facing away from the two nasal breathing tubes, and the housing further includes a first flow channel disposed between the first side of the filter material and the housing, and the two nasal breathing tubes are connected to the first ends of the expandable and contractible channels through the first flow channel.

In an embodiment of the present invention, the housing further includes an outer cover covering the second side of the filter material.

In an embodiment of the present invention, the housing further includes a cover fixing structure for fixing the cover.

In an embodiment of the present invention, the housing further includes a second flow channel disposed between the second side of the filter material and the outer cover.

In an embodiment of the invention, the outer cover comprises at least one opening.

In an embodiment of the present invention, the nose mask further includes a decoration member disposed on the outer cover or the shell.

In an embodiment of the present invention, the housing further includes a filter fixing structure for fixing the filter.

In an embodiment of the present invention, each nasal respiratory tube includes at least one auxiliary fixing structure, and the auxiliary fixing structure is protruded on the outer surface of each nasal respiratory tube.

In an embodiment of the present invention, the at least one auxiliary fixing structure includes a first flange structure, two axes of the two nasal breathing tubes are located on the same plane, and the shortest distance from the first flange structure to the closest axis forms a first extending line, the first extending line and the plane form a first included angle, and the first included angle is 55 ° ± 20 °.

In an embodiment of the present invention, the at least one auxiliary fixing structure further includes a second flange structure, a second extending line is formed from the second flange structure to the shortest distance from the closest axial lead, the second extending line and the plane form a second included angle, the second included angle is 90 ° ± 20 °, and the first flange structure and the second flange structure are respectively located on two opposite sides of the plane.

In an embodiment of the present invention, the nose mask further includes a humidifying material disposed in the housing for humidifying the fluid passing through the filter material.

Drawings

Fig. 1 is an overall view of a first embodiment of the nose mask of the present invention.

Fig. 2 is a sectional view of a first embodiment of the nose mask of the present invention.

Fig. 3 is an overall view of a second embodiment of the nose mask of the present invention.

Fig. 4 is a sectional view of a second embodiment of the nose mask of the present invention.

Figure 5 is another cross-sectional view of a second embodiment of the nasal mask of the present invention.

Fig. 6 is an overall view of a third embodiment of the nose mask of the present invention.

Fig. 7 is an exploded view of the nose mask according to the third embodiment of the present invention.

Fig. 8 is a sectional view of a third embodiment of the nose mask of the present invention.

Fig. 9 is a schematic view illustrating the operation of the nasal mask of the present invention in an air suction state.

Fig. 10 is a schematic view illustrating the operation of the nasal mask of the present invention in an exhalation state.

FIG. 11 is a schematic view of a nasal breathing tube of the nasal mask of the present invention having at least one auxiliary fastening structure according to another embodiment.

Fig. 12 is a partial schematic view of a nasal breathing tube of a nasal mask of the present invention having at least one auxiliary fastening structure according to another embodiment.

Reference numerals

1. 1a, 1b

nasal mask

10, 10a, 10b shell

11

front opening

12, 12a nose respiratory tube

121 auxiliary fixing structure 1211 first flange structure

1212 second flange structure 13 accommodation space

14 first flow passage 15 support

16 filter material fixing structure 17 outer cover

171 opening 172 corresponding to the joint

18 second runner 19 enclosing cover fixed knot constructs

20. 20a, 20b filter medium 21 first side

22

second side

30, 30a, 30b collapsible channel

31 first end 32 second end

40 decorative element 41 junction

50 humidifying elements O1 and O2 axial lead

Angle a1 first angle

A2 second included angle P plane

L1 first extension line L2 second extension line

Detailed Description

As various aspects and embodiments are described herein, it will be apparent to those skilled in the art from this disclosure that other aspects and embodiments are possible without departing from the scope of the invention. The features and advantages of the embodiments will become more fully apparent from the following detailed description and appended claims.

In this document, the use of "a" or "an" is used to describe a component described herein. This is for convenience of illustration only and provides a general sense of the scope of the invention. Accordingly, unless clearly indicated to the contrary, such description should be read to include one or at least one and the singular also includes the plural.

As used herein, the terms "first" or "second," and the like, are used primarily to distinguish or refer to the same or similar elements or structures, and do not necessarily imply a spatial or temporal order to such elements or structures. It is to be understood that ordinals may be used interchangeably in some situations or configurations without affecting the practice of the invention.

Furthermore, as used herein, the terms "comprising," "having," or any other similar terms, are intended to cover non-exclusive inclusions. For example, an element or structure that comprises a plurality of elements is not limited to only those elements listed herein, but may include other elements not expressly listed or inherent to such element or structure.

Referring to fig. 1 and 2 together, fig. 1 is a schematic view of a nose mask according to a first embodiment of the present invention, and fig. 2 is a sectional view of the nose mask according to the first embodiment of the present invention. As shown in fig. 1 and 2, the nose mask 1 of the present invention includes a shell 10, a filter 20, and at least one inflatable/deflatable channel 30. The shell 10 is a main structural component of the nose mask 1, and in this embodiment, the shell 10 may be made of an elastic material, such as silica gel, for example, but the present invention is not limited thereto, and for example, the shell 10 may also be made of a composite material made of an elastic material combined with a hard material, such as a composite material of silica gel and a Polycarbonate (PC) material. In the embodiment, the housing 10 is a single component formed integrally, but the housing 10 may also be an assembly of multiple components, which may vary according to design requirements. Further, when the housing 10 is made up of multiple parts, the different parts may be made of the same or different materials.

The housing 10 includes a front opening 11 and two nasal breathing tubes 12, and an accommodating space 13 is formed inside the housing 10. The front opening 11 and the two nasal breathing tubes 12 are respectively disposed on two opposite sides of the housing 10, and the accommodating space 13 can be in fluid communication with the outside through the front opening 11 or the two nasal breathing tubes 12. The front opening 11 serves as a main fluid inlet of the nose mask 1 of the present invention, and the two nasal breathing tubes 12 extend into and are fixed to the nasal cavity inlets of the user to serve as a passage for fluid exchange.

Each nasal breathing tube 12 includes at least one auxiliary securing structure 121. At least one auxiliary fixing structure 121 is protruded from the outer surface of each nasal breathing tube 12 for assisting each nasal breathing tube 12 extending into the nasal cavity entrance to be stably fixed in the nasal cavity. In this embodiment, the at least one auxiliary fixing structure 121 is an umbrella-shaped annular elastic structural member formed by reversely folding from an opening end of the outermost side of the nasal breathing tube 12 toward the casing 10, and by the design of the umbrella-shaped annular elastic structural member, the tolerance between the nasal cavity and the nasal breathing tube 12 can be absorbed, so as to be suitable for different nostril sizes, and achieve fixing and airtight effects; wherein when the user breathes in, can produce suction to umbelliform annular elastic structural component and make it more hug closely in the nasal cavity inside, improve airtight effect, and when the user exhales, help producing frictional resistance with the contact of nasal cavity internal surface through umbelliform annular elastic structural component to improve its supplementary fixed effect, nevertheless the utility model discloses not use this as the limit, for example at least one supplementary fixed knot constructs 121 also can adopt other structural design around the surface in each nose breathing tube 12. In addition, as shown in fig. 2, the two nasal breathing tubes 12 correspond to the axial lines O1 and O2, respectively, the two axial lines O1 and O2 are located on the same plane, and in this embodiment, the housing 10 is at an angle a and has a structural symmetry based on the two axial lines O1 and O2 of the two intersecting nasal breathing tubes 12, and the angle a is about 40 ° ± 20 °, so that the two nasal breathing tubes 12 are relatively close to each other and better conform to the nasal cavity entrance of the user through the design of the angle a, so as to facilitate the wearing and effective fixation of the user, but the present invention is not limited thereto.

The filter 20 is disposed in the accommodating space 13 of the housing 10 for filtering the fluid sucked into the housing 10. The filter 20 can be made of various porous materials with filtering function, such as cloth, foam material, etc. In the present embodiment, the filter material 20 is a block or sheet filter material approximately corresponding to the size of the accommodating space 13, so that the filter material 20 is filled in the accommodating space 13 of the housing 10 as much as possible, but the present invention is not limited thereto, and for example, a filter material with a smaller size or thickness may be used. In addition, in the present embodiment, the housing 10 may be additionally provided with a filter fixing structure 16, such as a stopping structure, for assisting in fixing the filter 20 and preventing the filter 20 from being detached from the housing 10. Here, the filter 20 includes a first side 21 facing the two nasal breathing tubes 12 and a second side 22 facing away from the two nasal breathing tubes 12.

At least one collapsible passage 30 is disposed in the housing 10 for passage of the auxiliary fluid out of the housing 10. The at least one collapsible channel 30 may be made of an elastically deformable material, for example, a silicone material similar to the housing 10, such that the at least one collapsible channel 30 is integrally formed with the housing 10, but the at least one collapsible channel 30 may be combined with each other by using a material different from the housing 10. In this embodiment, the nose mask 1 of the present invention includes two expandable/contractible channels 30 symmetrically disposed on two sides of the shell 10, but the number and positions of the expandable/contractible channels 30 can be adjusted according to different designs, which is not limited to this embodiment.

Each collapsible channel 30 includes a first end 31 and a second end 32, the first end 31 being in fluid communication with the receiving space 13 such that the first end 31 is in fluid communication with two of the nasal breathing tubes 12. The second end 32 of each of the expandable/contractible channels 30 is normally kept closed, and as the pressure inside the housing 10 is different, the second end 32 is opened by expansion or kept closed by contraction, and when the second end 32 is opened, the accommodating space 13 can be in fluid communication with the outside through each of the expandable/contractible channels 30. In the present embodiment, the second end 32 is in a closed structure or surface fine mark in the appearance of the housing 10 in a normal state, so that the existence of the second end 32 of each expandable/contractible channel 30 is not easily found in the appearance in this state to provide a structure hiding effect, and the appearance consistency is maintained, but the present invention is not limited thereto.

Referring to fig. 3 to 5 together, fig. 3 is an overall schematic view of a nasal mask according to a second embodiment of the present invention, fig. 4 is a sectional view of the nasal mask according to the second embodiment of the present invention, and fig. 5 is another sectional view of the nasal mask according to the second embodiment of the present invention. This embodiment is a modification of the first embodiment described above. As shown in fig. 3 to 5, in order to enhance the smoothness of the fluid flowing in the shell 10a, in this embodiment, the shell 10a of the nasal mask 1a of the present invention is also integrally formed, but the shell 10a further includes a first flow channel 14 as a channel for intensively transferring the fluid in the shell 10 a; that is, the fluid inhaled from the outside of the housing 10a after being filtered by the filter 20a is collected to the first flow channel 14 and then flows into the two snorkels 12, and the fluid entering the housing 10a from the two snorkels 12 is also collected to the first flow channel 14 to leave the housing 10a through the at least one inflatable channel 30. The first flow channel 14 is disposed between the first side 21 of the filter 20a and the housing 10a, the first flow channel 14 substantially extends along the first side 21 of the filter 20a, and the two nasal breathing tubes 12 communicate with the first end 31 of each of the collapsible passages 30a through the first flow channel 14. In addition, in the present embodiment, the housing 10a may further include at least one supporting member 15, where the at least one supporting member 15 is used to provide a supporting function for the filtering material 20a, and the supporting member 15 may be of a column or other structural design; the at least one support member 15 may also provide a flow guiding function, and the first flow channel 14 may be divided into a plurality of sub-flow channels by the at least one support member 15 to increase the flow rate of the fluid.

In the present embodiment, the filter medium 20a is a thin sheet-like filter medium to reduce its volume. In cooperation with the filter 20a, the filter fixing structure 16 of the housing 10a can be designed as a groove structure for inserting the sheet filter therein to generate a fixing effect, but the present invention is not limited thereto. For example, the filter fastening structure 16 may be a pin, a stop or other clamping structure.

Referring to fig. 6 to 8 together, fig. 6 is an overall schematic view of a third embodiment of the nose mask of the present invention, fig. 7 is an exploded view of the third embodiment of the nose mask of the present invention, and fig. 8 is a sectional view of the third embodiment of the nose mask of the present invention. This embodiment is a modification of the second embodiment described above. As shown in fig. 6 to 8, in order to increase the appearance and shape change and avoid the pollution or damage caused by the direct contact of the filter material 20b with the external environment, in the present embodiment, the shell 10b of the nose mask 1b further includes an outer cover 17. The cover 17 covers the second side 22 of the filter 20b to serve as a protection and fixing member for the filter 20 b. And the cover 17 includes at least one opening 171 through which the external fluid enters the housing 10 b. For example, in the embodiment, the housing 10b further includes an outer cover fixing structure 19 for fixing the outer cover 17, where the outer cover fixing structure 19 is a groove structure, and the fastening structures provided on the outer cover 17 are matched to be combined and fixed with each other.

In order to enable the filter medium 20b to uniformly exhibit its filtering effect, in the present embodiment, the housing 10b further includes a second flow channel 18 as a channel for uniformly transmitting the fluid in the housing 10 a. The second channel 18 is disposed between the second side 22 of the filter 20b and the cover 17, and the second channel 18 substantially extends along the cover 17 and the second side 22 of the filter 20 b. Accordingly, after the external fluid enters the second flow channel 18 of the housing 10b through the at least one opening 171 of the outer cover 17, the fluid can flow along the second side 22 of the filter 20b and be more effectively and uniformly distributed on the second side 22 of the filter 20b through the arrangement of the second flow channel 18, and the fluid is not excessively concentrated on the portion corresponding to the at least one opening 171, so as to increase the effective use area of the filter 20b and fully exert the filtering effect of the filter 20 b.

In addition, in order to beautify the appearance of the nose mask 1b of the present invention, in this embodiment, the nose mask 1b further includes a decoration 40 for shielding the at least one opening 171 of the outer cover 17 and the filter 20 b. The decoration 40 can be selectively disposed on the outer cover 17 or the housing 20b, for example, in the embodiment, the decoration 40 includes a combining portion 41, and the outer cover 17 includes a corresponding combining portion 172, and the combining portion 41 of the decoration 40 is fixed to the corresponding combining portion 172 of the outer cover 17, so that the decoration 40 is disposed on the outer cover 17, but the invention is not limited thereto. Here, the combining portion 41 of the decoration 40 may employ a latch member, and the corresponding combining portion 172 of the cover 17 may employ a socket conforming to the latch member. The decoration 40 may provide a beautifying effect of appearance using a structural design, a shape, a pattern, etc.

In order to additionally provide the humidifying effect of the nose mask 1b of the present invention, in the present embodiment, the nose mask 1b further includes a humidifying material 50, and the humidifying material 50 is disposed between the first side 21 of the filter material 20b and the housing 10 b. The humidifying material 50 may be made of a material having high water absorbency. Here, the humidifying material 50 may be added with liquid such as water, medicine, essential oil, perfume, etc. in advance to provide humidifying and perfuming functions for the fluid filtered by the filter material; meanwhile, since the gas exhaled by the human body can reach 100% relative humidity (referring to the condition of body temperature saturation pressure (BTPS), the water vapor content is about 44mg/L at the body temperature of 37 ℃, the 100% relative humidity and the water vapor pressure is 47torr or mmHg), the humidifying material 50 can also absorb the water vapor contained in the fluid exhaled by the user, so that the humidifying material 50 can keep moist, and can humidify the fluid filtered by the filter material. In addition, the humidifying material 50 may be disposed at other suitable positions in the housing 10 according to different designs, for example, the humidifying material 50 may be a cylindrical humidifying material (or a porous cylindrical humidifying material rolled by a sheet material) approximately corresponding to the diameter of each nasal breathing tube 12, so that the cylindrical humidifying material can be disposed and filled in each nasal breathing tube 12 to reduce impedance generation.

The operation of the nose mask 1a according to the present invention will be described based on the second embodiment of the nose mask 1a, but it should be noted that the operation can be applied to other embodiments of the nose mask according to the present invention. Please refer to fig. 9 to 10 together, fig. 9 is a schematic view illustrating the operation of the nasal mask of the present invention in an inhaling state, and fig. 10 is a schematic view illustrating the operation of the nasal mask of the present invention in an exhaling state. As shown in fig. 9, when the user wears the nose mask 1a of the present invention, the two nasal breathing tubes 12 extend into the nasal cavity of the user; when the user inhales with the nasal cavity, at least one auxiliary fixing structure 121 (e.g., an annular elastic structure) of each nasal breathing tube 12 is driven to be closer to the inner wall of the nasal cavity by the suction force, so as to achieve an airtight effect. At this time, the shell 10a of the nose mask 1a of the present invention has only the front opening 11 communicating with the outside, and the second ends 32 of the respective passages 30a are closed by contraction. The second end 32 of each of the inflatable channels 30a is also deflated due to the negative pressure fluid environment formed inside the housing 10a in this state. The "negative pressure" is defined as a state in which the fluid pressure inside the casing is lower than the fluid pressure of the external environment, for example, when the casing is at sea level (the fluid pressure of the external environment is 1 atm), the state in which the fluid pressure inside the casing is lower than 1 atm is the negative pressure. Therefore, the external fluid (e.g. air) can only enter the housing 10a from the front opening 11 of the housing 10a, and after passing through the filter material 20a, the external fluid is concentrated along the first flow channel 14 and then guided into each of the nasal breathing tubes 12, so that the user can inhale the filtered fluid, thereby achieving the effects of filtering and cleaning the fluid.

As shown in fig. 10, when the user exhales through the nasal cavity, the exhaled fluid enters the housing 10a through the nasal breathing tubes 12 and is collected in the first flow channel 14, so that the fluid moves along the first flow channel 14. Since a positive pressure fluid environment is formed inside the housing 10a in this state, the second end 32 of each of the inflatable channels 30a begins to be expanded due to the expansion to form a fluid outlet. The "positive pressure" is defined as a state in which the pressure of the fluid inside the casing is higher than the pressure of the fluid in the external environment, for example, when the casing is at sea level (the pressure of the fluid in the external environment is 1 atm), the state in which the pressure of the fluid inside the casing is higher than 1 atm is the positive pressure. At this time, the nasal breathing tubes 12, the first flow channel 14 and the inflatable channels 30a form a path through which the fluid flows out easily due to low fluid resistance, so that the fluid exhaled by the user mainly flows out of the housing 10a through the path. The size of the fluid outlet formed by the expanded second end 32 of each of the inflatable channels 30a is determined by the internal pressure of the housing 10a, and the air ratio passing through each of the inflatable channels 30a and the filter material is determined by the flow resistance of the filter material 20a, the internal pressure of the housing 10a during the exhalation of the user, and the design of the pressure required for the inflation and deflation of each of the inflatable channels 30 a. Therefore, by designing the at least one inflatable/deflatable channel 30a, as long as the user exhales, and the pressure generated inside the housing 10a is greater than the pressure required for inflating each inflatable/deflatable channel 30a, the second end 32 of each inflatable/deflatable channel 30a can be expanded, so as to effectively guide the fluid exhaled by the user to flow out of the housing 10a from each inflatable/deflatable channel 30a, thereby achieving the effect of promoting the fluid discharge.

Referring to fig. 11 to 12 together, fig. 11 is a schematic view illustrating a nasal breathing tube of a nasal mask of the present invention having at least one auxiliary fixing structure according to another embodiment, and fig. 12 is a partial schematic view illustrating the nasal breathing tube of the nasal mask of the present invention having at least one auxiliary fixing structure according to another embodiment. This embodiment is a variation of the at least one auxiliary fastening structure of each nasal breathing tube of the previous embodiments. As shown in fig. 11 and 12, in the present embodiment, the at least one auxiliary fixing structure includes a first flange structure 1211. The first flange structures 1211 are protruded from the outer surface of each of the nasal breathing tubes 12a, and the first flange structures 1211 of the two nasal breathing tubes 12a are symmetrically disposed. Wherein the two axes O1, O2 of the two nasal breathing tubes 12a are located on the same plane P, and the shortest distance from the first flange structure 1211 to the closest axis O1 forms a first extension line L1. The first extension line L1 makes a first included angle A1 (in FIG. 12, the included angle is formed by counterclockwise rotation of the first extension line L1 based on the plane P, where the plane P is linear perpendicular to the drawing and the axis O1 is dotted perpendicular to the drawing) with the plane P, and the first included angle A1 is about 55 DEG + -20 deg. Through the angle and contour of the first flange 1211, the first flange 1211 can be abutted against the vestibule of the nasal cavity of the human body, and the nasal mask of the present invention can be stably fixed at the entrance of the nasal cavity.

In addition, in this embodiment, the at least one auxiliary fixing structure further includes a second flange structure 1212. The second flange structures 1212 are protruded from the outer surface of each of the nasal breathing tubes 12a, and the second flange structures 1212 of the two nasal breathing tubes 12a are symmetrically disposed. Wherein the shortest distance from the second flange structure 1212 to the closest axis O1 forms a second extension line L2, the second extension line L2 forms a second angle a2 with respect to the plane P (in fig. 12, the angle is formed by clockwise rotation of the second extension line L2 based on the plane P, where the plane P is linear perpendicular to the drawing plane and the axis O1 is dotted perpendicular to the drawing plane), and the second angle a2 is about 90 ° ± 20 °. Here, the first flange structure 1211 and the second flange structure 1212 are located on two opposite sides of the plane P, respectively. Through the angle of this second flange structure 1212, can cooperate first flange structure 1211 to form two fixed points, can also keep the utility model discloses a nose cup is fixed in the nasal cavity entrance firmly. It should be noted that fig. 12 illustrates the arrangement of the first flange 1211 and the second flange 1212 by using only one side of the nasal breathing tube 12a, and the nasal breathing tube 12a and the other side of the nasal breathing tube 12a in fig. 12 are arranged in a symmetrical mirror image structure (as shown in fig. 11).

To sum up, the utility model discloses a nose cup 1 can not only effectively filter the fluid when the user breathes in to promote fluid discharge when exhaling, compare in traditional gauze mask or nasal obstruction formula filtration product more provide multiple different functions, increase convenience of use and wear the steadiness.

The above embodiments are merely exemplary in nature and are not intended to limit the embodiments of the application or uses of these embodiments. Further, while at least one exemplary embodiment has been presented in the foregoing detailed description, it should be appreciated that a vast number of variations of the invention are possible. It should also be appreciated that the embodiments described herein are not intended to limit the scope, applicability, or configuration of the claimed invention in any way. Rather, the foregoing implementations will provide those skilled in the art with a convenient road map for implementing the described embodiment or embodiments. Rather, various changes may be made in the function and arrangement of elements without departing from the scope defined in the claims, which includes known equivalents and all foreseeable equivalents at the time of filing this patent application.

Claims

1. A nasal mask, comprising:

a housing comprising two nasal breathing tubes;

the filter material is arranged in the shell; and

at least one collapsible channel, set up in the casing, each collapsible channel includes first end and second end, and first end fluid intercommunication two nose breathing tubes.

2. The nasal mask of claim 1, wherein the second end of each of the collapsible passageways closes as the fluid environment of negative pressure formed within the shell collapses and the second end of each of the collapsible passageways forms a fluid outlet as the fluid environment of positive pressure formed within the shell expands.

3. The nasal mask of claim 2, wherein the filter includes a first side facing the two nasal breathing tubes and a second side facing away from the two nasal breathing tubes, and the shell further includes a first flow passage disposed between the first side of the filter and the shell, and the two nasal breathing tubes communicate with the first end of each of the inflatable channels through the first flow passage.

4. The nasal mask of claim 3, wherein the shell further comprises an outer cover covering the second side of the filter.

5. The nasal mask of claim 4, wherein the shell further comprises an outer mask retention structure for retaining the outer mask.

6. The nasal mask of claim 4, wherein the shell further comprises a second flow passage disposed between the second side of the filter and the outer cover.

7. The nasal mask of claim 4, wherein the outer cover includes at least one aperture.

8. The nasal mask of claim 4, further comprising a decorative member provided on the outer mask or the shell.

9. The nasal mask of claim 2, wherein the housing further comprises a filter retaining structure for retaining the filter.

10. The nasal mask of any one of claims 1-9, wherein each nasal breathing tube comprises at least one auxiliary securing structure protruding from an outer surface of each nasal breathing tube.

11. The nasal mask of claim 10, wherein the secondary retention structure comprises a first flange structure, wherein the axes of the nasal breathing tubes lie in a common plane, and wherein the shortest distance from the first flange structure to the closest axis forms a first extension line, wherein the first extension line forms a first angle with the plane, and wherein the first angle is 55 ° ± 20 °.

12. The nasal mask of claim 11, wherein the supplemental securement structure further comprises a second flange structure, a shortest distance from the second flange structure to the closest axis forming a second line of extension, the second line of extension being at a second angle to the plane, the second angle being 90 ° ± 20 °, and the first and second flange structures being located on opposite sides of the plane, respectively.

13. The nasal mask of claim 10, further comprising a humidifying material disposed within the shell for humidifying fluid passing through the filter.