CN109303988B

CN109303988B - Air filtering device for nasal breathing

Info

Publication number: CN109303988B
Application number: CN201811109669.9A
Authority: CN
Inventors: 林晞彤
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-09-22
Filing date: 2018-09-21
Publication date: 2021-03-30
Anticipated expiration: 2038-09-21
Also published as: CN109303988A; MY196922A; WO2019057178A1; CN209378345U; SG11201811681QA; AU2018298509A1

Abstract

The invention provides an air filter device for nasal breathing, which comprises: the nasal filter comprises a first filter and a second filter which are suitable for being worn in the nasal cavity of a user, and a connecting body for connecting the first filter and the second filter, wherein each of the first filter and the second filter comprises a supporting body and a filter body, the supporting body and the filter body are integrally formed in an insert forming mode and form a non-detachable whole body, and the supporting body comprises a supporting portion for holding the filter body and a matching portion which integrally extends from the supporting portion and is used for matching with the nasal cavity of the user. Because the supporting body and the filtering body are integrally formed, the assembly process of parts is less, the cost is reduced, the pollution to the air filtering device for nasal cavity breathing in the manual assembly process is avoided, and the clean and sanitary air filtering device for nasal cavity breathing is provided.

Description

Air filtering device for nasal breathing

Technical Field

The present invention relates to a device for filtering inhaled air during breathing, and more particularly, to a nasal breathing air filtering device for sanitary protection which is worn in the nasal cavity.

Background

The global air pollution is increasingly serious, and people with different health levels are negatively affected to different degrees in different regions. In order to counteract the harm of exhaust gas, PM2.5, haze, dust, pollen and the like discharged by industrial life to human bodies, and simultaneously to prevent the harm of bacteria and viruses in the air to the human bodies, the filtering and defending effect of human nose hair and mucus can not fully filter real polluted air, and in order to enable the sucked air to be cleaner and not to influence the appearance of a wearer and activities of daily life, an air filter capable of effectively filtering the air and capable of being worn on a nasal cavity is urgently needed.

The prior air filter device for breathing comprises two filter screens, two supporting pieces, connecting pieces and other parts. These parts are individually formed and then assembled together, which is time and labor consuming and costly, and requires multiple manual assembly during assembly, which risks contamination of the filter device and is detrimental to the hygiene and health of the wearer.

Disclosure of Invention

The invention provides an air filter device for nasal breathing, which is low in cost, clean and sanitary.

The invention provides an air filtering device for nasal breathing, comprising: the nasal filter comprises a first filter and a second filter which are suitable for being worn in the nasal cavity of a user, and a connecting body for connecting the first filter and the second filter, wherein each of the first filter and the second filter comprises a supporting body and a filter body, the supporting body and the filter body are integrally formed in an insert molding mode and form a non-detachable whole body, and the supporting body comprises a supporting portion for holding the filter body and a matching portion which integrally extends from the supporting portion and is used for matching with the nasal cavity of the user.

Preferably, the engaging portion extends from an outer periphery of the supporting portion in a diverging shape, and a thickness thereof becomes gradually thinner in an extending direction.

Preferably, the support portion includes a base located at the center, and a plurality of ribs extending radially outward from the base, the ribs being arranged at intervals in the circumferential direction, and the filter body being supported by the plurality of ribs.

Preferably, the support portion further includes an outer ring connected to the end of the rib, and the engagement portion extends outward from the outer ring.

Preferably, the outer ring has a thickness greater than a thickness of the fitting portion.

Preferably, the two ends of the connecting body are provided with barbs, the center of the base is provided with a fixing hole, and the barbs of the connecting piece are matched with the fixing holes to form connection.

Preferably, a stopping portion is further disposed at a position, adjacent to the barb, of the tail end of the connecting body, and the stopping portion and the barb are located on two sides of the fixing hole respectively.

Preferably, the device further comprises an activated carbon sponge arranged in the space surrounded by the matching part.

Preferably, the matching part is provided with a plurality of through holes, and the through holes are arranged along the circumferential direction of the matching part.

Preferably, the filter body is an antibacterial filter cloth.

According to the air filtering device for nasal breathing provided by the invention, the supporting body and the filtering body are integrally formed, so that the number of assembly processes of parts is reduced, the cost is reduced, and the pollution to the air filtering device for nasal breathing in the manual assembly process is avoided, so that the air filtering device for nasal breathing is clean and sanitary.

Drawings

Further features of the present invention will become more apparent from the following description of preferred embodiments thereof, which are provided by way of example only, with reference to the accompanying drawings, in which:

FIG. 1 is a perspective view of an air filtration device for nasal breathing provided in accordance with the present invention;

FIG. 2 is a top plan view of the nasal breathing air filtration device of FIG. 1;

FIG. 3 is a cross-sectional view of the nasal breathing air filtration device of FIG. 1;

FIG. 4 is a front view of the nasal breathing air filtration device of FIG. 1;

fig. 5 is an exploded view of the nasal breathing air filter device of fig. 3.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, an air filter device for nasal breathing according to an embodiment of the present invention includes: a first filter 1, a second filter 2 and a connecting body 3. The first filter 1 and the second filter 2 are respectively adapted to be worn in a nasal cavity of a user, and when the user uses the air filter device for nasal breathing, inhaled air is filtered by the first filter 1 and the second filter 2, and the inhaled air is purified. The connecting body connects the first filter 1 and the second filter 2 and is adapted to be secured at the user's columella so that the air filtration device is adapted to be worn by the user. The shape of the connecting body 3 is matched with the shape of the columella nasi and the septum nasi.

Referring to fig. 2 and 3, preferably, the second filter 2 has the same shape and structure as the first filter 1, and includes a support body 11 and a filter body 8, respectively, and the support body 11 and the filter body 8 are integrally formed by insert molding and form a non-detachable whole. The supporting body 11 comprises a supporting part 5 used for holding the filter body 8 and a matching part 4 extending from the periphery of the supporting part 5 and used for matching with the nasal cavity of a user, wherein the matching part 4 extends in a flaring shape from the periphery of the outer ring of the supporting part 5, and the thickness of the matching part is gradually thinned in the extending direction.

Preferably, the support body 11 is made of a high-strength, high-resilience, soft, safe and non-toxic thermoplastic elastomer (TPE), meets FDA certification standards, is not easily allergic to general skin, and does not contain artificial synthetic latex, so that the support body does not harm human bodies.

Preferably, the support portion 5 includes an outer ring, a base located at the center of the outer ring, and a plurality of ribs extending radially outward from the base. In this embodiment, the rib is connected between the base and the outer ring. The ribs may also extend to the mating portion 4 and bear on the mating portion 4 in order to further support the mating portion 4. Preferably, there are 4 ribs to be the cross arrangement, make and guarantee to filter body 8 and pass through the rib can laminate in supporting part 5 well in the time, can guarantee again that filter body 8 does not receive the sheltering from of supporting part 5. Preferably, the outer ring of the support part 5 in the present invention is circular or elliptical, which is similar to the shape of the nostril of the user, and is comfortable for the user to wear.

Preferably, filter 8 sets up the rib upside of the supporting part 5 of supporter, and filter 8 distance there is certain distance on the top of supporter 11, and this has just been avoided filter 8 is direct and user's nasal cavity direct contact, has effectively avoided nasal cavity mucus to filter 8's influence, ensured nasal cavity breathing air filter for the filter effect.

Preferably, the filter body 8 provided by the present invention is an antibacterial filter cloth, and preferably, the antibacterial filter body 8 is circular or oval, and the shape of the antibacterial filter body matches with the shape of the support part 5 of the support body 11. In particular, in this embodiment, the antibacterial filter 8 is a medical or sanitary non-woven fabric, which is a new generation of environmental protection material, and has the advantages of good strength, air permeability, water resistance, environmental protection, flexibility, no toxicity, no odor, low price, no irritation, etc. The antibacterial isolation filter body 8 can effectively filter air, and effectively filter toxic gas, PM2.5, bacteria, viruses, pollen, haze, dust and the like.

The fitting portion 4 is extended from the outer periphery of the outer ring in a direction substantially perpendicular to the support portion 5 while being gradually thinned, and the thickness of the fitting portion 4 is smaller than that of the support portion 5. On the one hand, since the support portion 5 needs to provide a bearing function for the filter body 8, a higher rigidity is achieved by a larger thickness, so that the filter body 8 can be well borne; on the other hand, the thickness of the matching part 4 is smaller, so that the matching part is softer, the matching part can be well formed in the inner wall of the nasal cavity of the user when the supporting body is worn by the user, the wearing comfort is good, particularly when the supporting body is made of TPE (thermoplastic elastomer) materials, the influence of the thickness on the rigidity/softness of the structure is large, and the needed rigidity and softness can be well realized through different thicknesses. The support body 11 thus formed is ergonomic in shape and design and can fit well to the inner wall of the nasal cavity of the user.

Preferably, the fitting portion 4 of the supporting body 11 has a through hole 6, and the through hole 6 allows the airflow to pass through when the user exhales, so that the user exhales more smoothly. Preferably, the perforation 6 is provided in a plurality, in this embodiment, in particular 8. Preferably, the plurality of perforations 6 are evenly arranged circumferentially along the mating portion. Specifically, on one hand, when a user inhales air, under the influence of air flow, the matching part 4 is recessed inwards to block the through hole 6, so that the inhaled air can only pass through the filter body 8, and the air filtering efficiency is ensured; on the other hand, when the user exhales, the fitting portion 4 is outwardly protruded so that the perforation 6 is slightly separated from the inner wall of the nasal cavity, enabling the exhaled air to be smoothly discharged. The above-mentioned advantageous functions can be better embodied especially when the material of the fitting part 4 is TPE. The design of cooperation portion 4 has improved the area of contact with the nasal cavity inner wall greatly, when guaranteeing that the filter can laminate the nasal cavity inner wall well, can guarantee again that the gas of exhalation is discharged rapidly. The filter efficiency of the air filter device for nasal cavity breathing can be greatly improved, and the waste gas can be smoothly discharged, so that the user experience is improved.

Referring to fig. 4 and 5, a connecting body 3 is connected between the first filter 1 and the second filter 2. In this embodiment, the connecting body includes a substantially C-shaped head, two necks respectively connected to two ends of the head, and two shoulders respectively connected to ends of the two necks, the two shoulders are respectively connected to the first filter and the second filter, and a shortest distance between the two necks is smaller than a distance between two ends of the head. Therefore, the shape of the neck and the head of the connecting body can be well matched with the shape of the columella nasi and the nasal septum cartilage of the nasal cavity of the user, and the connecting body is comfortable to wear. Besides, the structure of the connecting body 3 enables the air filter device for nasal breathing to be worn stably in the nasal cavity, so that the filter does not fall off, and ensures the position of the filter in the nasal cavity. The structure of the connector 3 can ensure that the air filtering device for nasal cavity breathing is stably worn in the nasal cavity, so that the filter can be used by a user to move or move violently in the using process, the air filtering device for nasal cavity breathing worn by the filter can not fall off, the position of the filter in the nasal cavity can be well controlled, inconvenience can not be brought to speaking, eating and the like of the user, and the filter is more convenient and comfortable.

The two ends of the connecting body 3, here the two shoulders, are connected to the base of the support 5 of each support of the two filters. Preferably, the base is provided with a fixing hole at the center, the two ends of the connecting body are provided with barbs 9 which penetrate through the corresponding fixing holes to form a snap fit, and the connecting body 3 is connected with the two filters through the snap fit. Since the end portions of the two shoulder portions of the connecting body 3 are larger than the fixing holes of the supporting body, the end portions can be tightly abutted against the inner sides of the fixing holes of the filtering body and the supporting body.

Preferably, a stop 10 is further provided at the end of the connecting body adjacent to the barb 9. The stopper portion 10 is spaced apart from the barb. The stopper portion 10 extends radially outward and has an outer diameter larger than the diameter of the fixing hole so that the stopper portion 10 can be pressed against the outside of the fixing hole when the connecting body is mounted with the filter. The barbs 9 cooperate with stops 10 to allow the user to press against the sides of the fixation hole while breathing, preventing unfiltered air from passing through the fixation hole. In the present embodiment, the stop 10 provided at each end of the connecting body 3 is two stops provided at intervals. In order to further provide a better filtering effect, an activated carbon sponge is arranged in the space surrounded by the matching part 4, and the activated carbon sponge is positioned by two stopping parts 10 arranged at intervals.

Preferably, the connector 3 is made of a super-transparent hard rubber Polypropylene Plastic (PP), which meets FDA certification standards, is not easily allergic to general skin, does not contain artificial synthetic latex, and does not cause harm to human body; the connecting body is tough, resilient and not easy to break, and can be repeatedly used; in addition, it has high transparency, so that it is not easily perceived after being worn by a user.

The air filtering device for nasal breathing provided by the invention is light and small, is convenient to carry and has low cost; and is easy to wear and remove. Under normal use, the clothes can be washed by clean water after being taken off and before being worn every time, and can be repeatedly used for multiple times. The air filtering and sterilizing effects are obvious, the wearing is comfortable, the appearance of a wearer is not influenced, and inconvenience is avoided for the daily life of the wearer.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An air filtration device for nasal breathing comprising: the first filter and the second filter are suitable for being worn in the nasal cavity of a user, the connecting body is connected with the first filter and the second filter, each of the first filter and the second filter comprises a supporting body and a filtering body, the first filter and the second filter are characterized in that the supporting body and the filtering body are integrally formed in an insert forming mode and form a non-detachable whole body, the supporting body comprises a supporting portion and a matching portion, the supporting portion is used for keeping the filtering body, the matching portion integrally extends from the supporting portion and is used for being matched with the nasal cavity of the user, a plurality of through holes are formed in the matching portion, the through holes are arranged along the circumferential direction of the matching portion, when the user inhales air, the through holes are plugged by the inwards concave portion of the matching portion, the inhaled air can only pass through the filtering body, when the user exhales the air, the matching portion is outwards convex, and the through, in order to expel exhaled air.

2. The nasal breathing air filter device of claim 1 wherein the engagement portion extends in a diverging manner from the outer periphery of the support portion, and the thickness thereof becomes gradually thinner in the direction of extension.

3. The nasal breathing air filter device of claim 1 wherein the support portion includes a centrally located base and a plurality of ribs extending radially outwardly from the base, the ribs being circumferentially spaced apart, the filter body being supported by the plurality of ribs.

4. The nasal breathing air filter device of claim 3 wherein the brace further includes an outer ring connected to the ends of the ribs, the engagement portion extending outwardly from the outer ring.

5. The nasal breathing air filter device of claim 4 wherein the outer ring has a thickness greater than a thickness of the engagement portion.

6. The nasal breathing air filter of claim 3 wherein the connector has barbs on opposite ends thereof, and the base has a mounting hole in the center thereof, the barbs of the connector mating with the mounting hole to form a connection.

7. The nasal breathing air filter of claim 6 wherein the connector body has a stop adjacent the barb, the stop and the barb being located on opposite sides of the aperture.

8. The nasal breathing air filter device of claim 1 further comprising an activated carbon sponge disposed within the space defined by the mating portion.

9. The nasal breathing air filtration device of claim 1 wherein the filter body is an antimicrobial filter cloth.