CN214512325U - Nostril filter - Google Patents

Abstract

The utility model discloses a nostril filter, include: the rubber tube is provided with an inner cavity, one end of the rubber tube is an air inlet end, and the other end of the rubber tube is an air outlet end; and the filtering assembly is arranged in the air inlet end, wherein air enters the rubber tube through the air inlet end and flows into the nostrils from the air outlet end after being filtered by the filtering assembly. The nostril filter filters the air entering and exiting from the nostrils, is convenient to wear, can not block the face when in use, and does not influence the beautiful appearance of people.

Description

Nostril filter

Technical Field

The utility model relates to an air purification technical field, in particular to nostril filter.

Background

In the process of moving from agricultural society to industrial society, dust pollution in the air and microorganisms floating along with the dust become major threats to air pollution. In order to avoid the harm of air dust pollution, people usually use the mouth and nose mask to block dust and microorganisms from entering the human body, and after all, people mainly breathe air through the mouth and the nose. In the epidemic situation of the novel coronavirus, people also prevent and control the spread of the virus through a mask.

In view of the irregular structure of the mouth and the nose of the human face, if the air entering and exiting the mouth and the nose needs to be filtered, the mouth and the nose can be completely covered by a mask with a large area, the mask is embedded in the nose bridge part through the metal strip, the periphery of the mask is better attached to the face, and most of air passes through harmful particles such as viruses in the filtering material of the mask to block the air. Under the condition, the mask needs to cover most of the face area under the eyes of people, so that harmful particles such as viruses and the like in the air are blocked, heat generated by the face is easy to dissipate, and the face is easy to feel uncomfortable; on the other hand, people who like to show face also have difficulty in frequently wearing the mask.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a nostril filter for to the filtration of business turn over air from the nostril, in order to solve people and wear the gauze mask in non-talk time, the face easily produces uncomfortable problem.

The present application provides a nostril filter comprising:

the rubber tube is provided with an inner cavity, one end of the rubber tube is an air inlet end, and the other end of the rubber tube is an air outlet end;

and the filtering assembly is arranged in the air inlet end, wherein air enters the rubber tube through the air inlet end and flows into the nostrils from the air outlet end after being filtered by the filtering assembly.

Wherein, theThe outer diameter phi of the rubber tube, the thickness delta of the wall of the rubber tube and the length l of the rubber tube₁Respectively satisfy: phi is more than 4mm and less than 13mm, delta is more than 0.4mm and less than 2mm, l₁＞2mm。

In the above scheme, the filter assembly is arranged at the air inlet end of the rubber tube and used for filtering air entering and exiting from the nostrils, and the nostril filter is provided to solve the problem that the mask is worn by people in non-conversation time and the face is easy to feel uncomfortable. The rubber tubes with different sizes can be designed according to different crowds, and the rubber tubes have certain flexibility, so that the use requirements of different crowds can be met, and the application range is wide.

In one possible implementation, the angle θ between the inner wall of the air inlet end and the wall of the cavity₁And the length l of the inlet end₂Respectively satisfy: theta₁≥145°，l₂＞1mm。

In the above scheme, through control the inlet end inner wall with the contained angle between the chamber wall of inner chamber and the length of inlet end for the inlet end structure is more reasonable, the installation of the filter component of being convenient for.

In a possible implementation manner, a groove protruding outwards along the cavity wall of the inner cavity is arranged on the inner wall of the air inlet end, and the depth h of the groove and the thickness delta of the rubber pipe wall meet the following requirements: h-delta is more than or equal to 0.3 mm.

In the above scheme, through set up the recess on the inlet end, be convenient for carry on spacingly to filtering component, improve structural stability.

In one possible implementation, the air outlet end is provided with a first trumpet pipe protruding outwards along the inner cavity wall, and an included angle theta between the inner wall of the first trumpet pipe and the inner cavity wall₂And the flare length l₃Respectively satisfy: theta is less than 8 DEG₂＜60°，2mm＜l₃＜10mm。

In the above scheme, the end of giving vent to anger sets up first horn pipe to through the flare angle and the length of controlling first horn pipe, make the rubber tube be difficult for droing in the nostril, and can design the not unidimensional end structure of giving vent to anger according to different crowds.

In a possible implementation manner, the first flared tube is connected with a second flared tube, and the large tube opening of the first flared tube is connected with the large tube opening of the second flared tube.

In the above scheme, the second flared tube is arranged on the first flared tube, so that the fluid in the separation nostril is facilitated, and the fluid flowing into the rubber tube is reduced.

In one possible implementation manner, the filter assembly comprises a sleeve cake with a counter bore, an embedded cake embedded into the counter bore and a filter material arranged between the sleeve cake and the embedded cake, and the outer wall of the embedded cake is attached to the inner surface of the outer ring of the sleeve cake.

In a possible implementation manner, a first limiting part is arranged on the cake sleeving part, a second limiting part is arranged on the cake embedding part, and the first limiting part is connected with the second limiting part so as to limit the cake sleeving part to move relative to the cake embedding part.

In a possible implementation manner, the first position-limiting portion includes a convex ring, and the second position-limiting portion includes a clamping groove.

In the scheme, the fixed connection of the cake sleeving and the cake embedding is realized through the convex ring and the clamping groove, the structure is simple, and the realization is easy.

In one possible implementation, the filter includes meltblown cloth.

In a possible implementation manner, a fixing groove is formed in the end face of the sleeve cake, a fixing lug is arranged on the embedded cake, and when the embedded cake is connected with the sleeve cake, the filter material is pressed in the fixing groove by the fixing lug.

In the scheme, the filter material is fixed through the fixing convex block and the fixing groove, an additional fixing part is not required to be added, and the structure of the device is simplified.

In a possible implementation manner, a plurality of grids are arranged on the sleeve cake and the embedded cake.

In the scheme, the grids are arranged on the cake sleeving and cake embedding, so that air can pass through the grids, and a user can breathe conveniently.

In one possible implementation, the filter assembly has an oval shape.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of the nostril filter of the present invention;

FIG. 2 is a schematic view of the rubber tube structure of the nostril filter of the present invention;

FIG. 3 is a perspective view of the filter assembly of the nostril filter of the present invention;

figure 4 is a cross-sectional view of the filter assembly of the nostril filter of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The terminology used in the description of the embodiments section of the present application is for the purpose of describing particular embodiments of the present application only and is not intended to be limiting of the present application.

As shown in fig. 1-4, embodiments of the present application provide a nostril filter comprising: the hose assembly comprises a hose 10 and a filtering assembly 20 connected with the hose 10, wherein the hose 10 is provided with an inner cavity 13, one end of the hose 10 is an air inlet end 11, and the other end of the hose 10 is an air outlet end 12; the filtering component 20 is disposed in the air inlet end 11, wherein air enters the hose 10 through the air inlet end 11, and flows into nostrils from the air outlet end 12 after being filtered by the filtering component 20.

Breathing is primarily through the nostrils, since people are in a non-talking state. The nostril filter provided by the embodiment of the application converts the filtration of harmful particles such as viruses entering and exiting from the mouth and the nose into the filtration of air entering and exiting from the nostrils, and reduces the covering of the face to the minimum degree. When people need to carry out oral conversation, in order to filter the air entering and exiting from the mouth, the mask only covering the mouth part can be worn, so that the heat dissipation and the mouth part covering can also obtain a great improvement effect, and the wearing comfort level is improved.

In the present embodiment, the outer diameter Φ of the hose 10, the wall thickness δ of the hose 10, and the length l of the hose 10₁Respectively satisfy: phi is more than 4mm and less than 13mm, delta is more than 0.4mm and less than 2mm, l₁Is greater than 2 mm. More specifically, the outer diameter phi of the rubber hose 10 is 8.2mm, the thickness delta of the wall of the rubber hose 10 is 1.2mm, and the length l of the rubber hose 10₁Is 12.1 mm. The rubber tube 10 with different sizes can be produced according to different users, so that the rubber tube is more adaptive to the nostrils of users and achieves the filtering effect.

The included angle theta between the inner wall of the air inlet end 11 and the cavity wall of the inner cavity 13₁And length l of air inlet end 11₂Respectively satisfy: theta₁≥145°，l₂Is greater than 1 mm. More specifically, the angle θ between the inner wall of the inlet end 11 and the wall of the cavity 13₁At 145 deg., length l of the inlet end 11₂Is 3.1 mm.

Further, in this embodiment, the rubber tube is an integrally formed structure.

In some embodiments, the inner wall of the air inlet end 11 is provided with a groove 111 protruding outwards along the cavity wall of the inner cavity 13, and the depth h of the groove 111 and the wall thickness δ of the rubber hose 10 satisfy the following condition: h-delta is more than or equal to 0.3 mm. More specifically, the depth h of the groove 111 and the thickness delta of the wall of the rubber hose 10 satisfy that: h-delta-0.3 mm.

In some embodiments, the outlet end 12 is provided with a first flared tube 121 protruding outwards along the wall of the inner cavity 13, and the included angle θ between the inner wall of the first flared tube 121 and the wall of the inner cavity 13₂And the flare length l₃Respectively satisfy: theta is less than 8 DEG₂＜60°，2mm＜l₃Less than 10 mm. More specifically, the angle θ between the inner wall of the first flared tube 121 and the wall of the inner chamber 13₂Is 45 degrees and the length l of the horn tube₃3mm as shown in figure 2.

Further, the first flared tube 121 is connected to a second flared tube 122, and the large tube opening of the first flared tube 121 is connected to the large tube opening of the second flared tube 122, as shown in fig. 2.

In some embodiments, filter assembly 20 includes a counterbore sleeve cake 21, a counterbore embedded cake 22, and a filter material 23 disposed between sleeve cake 21 and embedded cake 22, with the outer wall of embedded cake 22 conforming to the inner surface of the outer ring of sleeve cake 21, as shown in fig. 3.

In this embodiment, the sleeve cake 21 and the embedded cake 22 may be made of plastic or rubber. Can be selected according to different production processes.

In some embodiments, the cake sleeving 21 is provided with a first limiting part, the cake embedding 22 is provided with a second limiting part, and the first limiting part and the second limiting part are connected to limit the movement of the cake sleeving 21 relative to the cake embedding 22.

In this embodiment, the first position-limiting portion is a convex ring 221, and the second position-limiting portion is a slot 211. Specifically, the inner surface of the outer ring of the embedded cake 22 is provided with a convex ring 221, and the outer surface of the sleeve cake 21 is provided with a clamping groove 211 embedded with the convex ring 221, as shown in fig. 4.

Furthermore, a plurality of grids 24 are arranged on the sleeve cake 21 and the embedded cake 22. Specifically, the muff cake 21 is disposed corresponding to the grid 24 on the muff cake 22 for facilitating air circulation, as shown in fig. 3.

Correspondingly, the distance between the inner wall of the embedded cake 22 and the outer wall of the embedded cake 22 and the distance between the inner wall of the sleeve cake 21 and the outer wall of the sleeve cake 21 are the same, and the distance d satisfies: d is less than or equal to 2.5 mm. More specifically, the distance between the inner wall of the embedded cake 22 and the outer wall of the embedded cake 22 was 2.5mm, and the distance between the inner wall of the sleeve cake 21 and the outer wall of the sleeve cake 21 was 2.5 mm.

In some implementations, the filter 23 is a meltblown cloth.

In this embodiment, the end face of the sleeve cake 21 is provided with a fixing groove 212, the embedded cake 22 is provided with a fixing protrusion 212, and when the embedded cake 22 is connected with the sleeve cake 21, the fixing protrusion 212 presses the filter material 23 into the fixing groove 212.

In some implementations, the filter assembly 20 has an oval shape in profile. Specifically, the shape of the filter assembly 20 is an ellipse with a circumference identical to a perfect circle, and at the moment, the filter assembly 20 is arranged in the rubber hose 10 and is more adaptive to the structure of the nostrils, so that the outer wall of the rubber hose 10 is attached to the nostrils.

In this embodiment, the shape of the filter assembly 20 may also be an egg-shaped circle having a perimeter corresponding to a perfect circle. It will be appreciated that when the filter element 20 is configured as an egg-shaped configuration, the filter element 20 is configured to have a larger end and a smaller end, such that the filter element 20 is more conformable to the nostril configuration for easy donning by the user.

When implementing the above-mentioned nostril filter of this application embodiment, different use crowds select the nostril filter of unidimensional, during the use, will install filter assembly the rubber tube fill in the nostril can, the nostril filter is to the filtration from nostril business turn over air, the user need not to wear the gauze mask at non-talk time like this, satisfies the needs that the user shows the face appearance.

The hose in this application is a tubular rubber product of the type used to transport gas.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (12)

1. A nostril filter, comprising:

the rubber tube is provided with an inner cavity, one end of the rubber tube is an air inlet end, and the other end of the rubber tube is an air outlet end;

the filtering assembly is arranged in the air inlet end, wherein air enters the rubber tube through the air inlet end, and flows into nostrils from the air outlet end after being filtered by the filtering assembly;

wherein the rubber tube has an outer diameter phi, a wall thickness delta and a length l₁Respectively satisfy: phi is more than 4mm and less than 13mm, delta is more than 0.4mm and less than 2mm, l₁＞2mm。

2. The nostril filter of claim 1 wherein the angle θ between the inner wall of the air inlet end and the wall of the inner chamber₁And the length l of the inlet end₂Respectively satisfy: theta₁≥145°，l₂＞1mm。

3. The nostril filter of claim 1, wherein the inner wall of the air inlet end is provided with a groove protruding outwards along the cavity wall of the inner cavity, and the depth h of the groove and the thickness delta of the rubber tube wall meet the following condition: h-delta is more than or equal to 0.3 mm.

4. As claimed in claim 1The nostril filter is characterized in that the air outlet end is provided with a first flared tube which is protruded outwards along the cavity wall of the inner cavity, and the included angle theta between the inner wall of the first flared tube and the cavity wall of the inner cavity₂And the flare length l₃Respectively satisfy: theta is less than 8 DEG₂＜60°，2mm＜l₃＜10mm。

5. The nostril filter of claim 4, wherein a second flare is connected to the first flare and the large orifice of the first flare is connected to the large orifice of the second flare.

6. The nostril filter of claim 1, wherein the filter assembly comprises a sleeve cake with counter bores, an embedded cake embedded in the counter bores and a filter material arranged between the sleeve cake and the embedded cake, and the outer wall of the embedded cake is attached to the inner surface of the outer ring of the sleeve cake.

7. The nostril filter of claim 6, wherein the muff is provided with a first limiting part, the muff is provided with a second limiting part, and the first limiting part is connected with the second limiting part to limit the muff from moving relative to the muff.

8. The nostril filter of claim 7, wherein the first stop comprises a raised collar and the second stop comprises a catch.

9. The nostril filter of claim 6 wherein the filter material comprises meltblown cloth.

10. The nostril filter of claim 9, wherein the end face of the sleeve cake is provided with a fixing groove, the embedded cake is provided with a fixing lug, and when the embedded cake is connected with the sleeve cake, the fixing lug presses the filter material in the fixing groove.

11. The nostril filter of claim 6 wherein the sleeve cake and the embedded cake are provided with a plurality of meshes.

12. The nostril filter of claim 1, wherein the filter assembly is oval in shape.

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