CN213031699U - Novel protective mask - Google Patents

Abstract

The utility model discloses a novel protective facial mask, include: the nasal mask comprises a face shell, an inner shell, a nasal cushion, an air inlet valve, an air outlet valve, a front cover and filter cotton, wherein a wearing cavity is formed in the inner side of the face shell; the inner shell is fixedly arranged on the inner side of the face shell, and the middle part of the inner shell is provided with an inner shell through hole; the nose pad is detachably arranged at a through hole of the inner shell in the middle of the inner shell, and an L-shaped vent hole is arranged in the middle of the nose pad; the vent hole and the inner shell through hole are communicated with the air inlet valve mounting hole and the air outlet valve mounting hole; the air inlet valve and the air outlet valve are both detachably connected with the face shell; the front cover is detachably arranged on the outer side of the face shell, and a gap is reserved between the front cover and the face shell; the filter cotton is fixedly clamped between the front cover and the face shell. The novel protective mask disclosed by the utility model has the advantages that the air enters and exhales through the specific channels, the residual amount of the exhausted waste gas in the mask is small, and the fresh air suction amount is increased; moreover, the filter cotton and the nose pad can be detached and reused after cleaning, thereby reducing the social sanitation garbage disposal.

Description

Novel protective mask

Technical Field

The utility model relates to a protective articles technical field, more specifically the utility model relates to a novel protective facial mask that says so.

Background

At present, since the occurrence of new coronary epidemic, the mask becomes the most basic protective article for people, and is worn at the oral and nasal parts to block harmful gas and spray, so that cross infection and spread of viruses are avoided, and the health of people is ensured.

However, the traditional disposable mask has short using time and poor comfort; secondly, the virus protection is low; moreover, the recycling treatment is complicated, the garbage treatment capacity is large, the social cost is high, and the risk of virus re-transmission is high; in addition, the user inhales and exhales when using not separately, and the risk of breeding the bacterium again after using disposable gauze mask for a long time is big, and fresh air is poor after using, influences user's normal breathing.

Therefore, how to provide a novel protective mask is a problem that needs to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least.

Therefore, an object of the present invention is to provide a novel protective mask, including: the nose pad comprises a face shell, an inner shell, a nose pad, an air inlet valve, an air outlet valve, a front cover and filter cotton, wherein a wearing cavity is arranged on the inner side of the face shell, and the face shell is provided with an air inlet valve mounting hole and an air outlet valve mounting hole in parallel; the inner shell is fixedly arranged on the inner side of the face shell, and an inner shell through hole is formed in the middle of the inner shell; the nose pad is detachably arranged at the through hole of the inner shell in the middle of the inner shell, and the middle part of the nose pad is provided with a vent hole; the vent hole and the through hole of the inner shell are communicated with the air inlet valve mounting hole and the air outlet valve mounting hole; the air inlet valve and the air outlet valve are respectively arranged at the air inlet valve mounting hole and the air outlet valve mounting hole and are detachably connected with the face shell; the front cover is detachably arranged on the outer side of the face shell, and a gap is reserved between the front cover and the face shell; the filter cotton fixing clamp is arranged between the front cover and the face shell and completely fills the gap.

The utility model discloses a novel protective mask, on one hand, the front cover can be detachably installed outside the face shell, the filter cotton clamp is arranged between the front cover and the face shell, the filter cotton can be independently detached and replaced, the filtering effect is enhanced, and the filter cotton with different filtering grades can be replaced according to different scene environments, so that the application range is wide; on the other hand, the nose pad is detachably arranged on the inner shell, and the nose pad can be detached and cleaned for reuse after long-time use, so that the generation of garbage is reduced, and the social garbage treatment cost is reduced; meanwhile, the nose pad can be replaced according to the size of the nose, the sealing performance of the nose pad on breathing air inlet and outlet is good, the breathing air inlet and outlet of a human body are all discharged from a specific channel, the discharged waste gas has less residue in the mask, the discharge is fast, and the fresh air suction amount is increased; the nasal cushion has good sealing performance, the pressure of air entering and exiting the channel is increased, the air conversion rate is accelerated, the oxygen content of the inhaled air is increased, people are not easy to breathe and feel oppressed, the comfortable sensation is increased, and the health of the human body is facilitated; the front surface of the front cover is not provided with holes, air does not enter from the front surface, but enters from gaps around the front cover after the air is blocked for the first time by the front cover, so that the filter cotton is long in service time, and the use cost is reduced.

Preferably, the face casing is provided with a plurality of mouth vents corresponding to the mouth of the user.

Adopt above-mentioned technical scheme's beneficial effect is, oral area air vent is used for the mouth to advance the exhaust usefulness.

Preferably, the two sides of the face shell are provided with mounting buckles, and ear belts or head belts are arranged in the mounting buckles in a penetrating mode.

Adopt above-mentioned technical scheme's beneficial effect is that ear area or bandeau are used for being fixed in user's head with whole protective facial mask to can adjust the elasticity.

Preferably, a silica gel body is fixed on one side of the wearing cavity close to the face of the user, and long holes are formed in positions of the silica gel body corresponding to the mounting buckles; the ear belt or the head belt penetrates through the long strip hole.

The beneficial effects of adopting above-mentioned technical scheme are that, the colloidal silica is gentler than human skin, does not have the metal strip, contacts with user's skin, and difficult damage skin, the comfort reinforcing, the leakproofness is better, and the protective effect is better.

Preferably, the side of the silica gel body, which is far away from the face shell, is further coated with flannelette.

Adopt above-mentioned technical scheme's beneficial effect is that, the cotton flannel is used for when winter climate is cold, increases the comfort that the user wore the gauze mask.

Preferably, the nose pad is a silica gel nose mouth-imitating soft pad and is worn at the middle of the user at the lower end of the nose of the user.

Adopt above-mentioned technical scheme's beneficial effect is, the nose pad is worn in user's nose lower extreme people middle part with the design of soft silica gel imitative nose shape, and nasal cavity position and oral area position are separated into two cavitys, increase the leakproofness, inhale and can only inhale from the inlet port, exhale and can only discharge through the air outlet valve.

Preferably, the filter cotton is N95 filter cotton.

Adopt above-mentioned technical scheme's beneficial effect is, in the higher area of risk level, adopt the higher N95 filter pulp of filtration level, improve the protective effect.

Preferably, the air inlet valve mounting hole and the air outlet valve mounting hole are both provided with cross reinforcing ribs.

The beneficial effects of adopting above-mentioned technical scheme are that, cross stiffening rib not only can increase the structural stability of face-piece, avoids warping, provides convenient condition for the installation of admission valve and air outlet valve moreover.

Preferably, one side of the front cover close to the face shell is fixedly provided with a plurality of parallel arc-shaped reinforcing strip-shaped plates.

Adopt above-mentioned technical scheme's beneficial effect is that, the stability of protecgulum structure can be consolidated on the one hand to the arc reinforcing bar shaped plate, and on the other hand can be to filtering the better centre gripping of cotton.

According to the technical scheme, compared with the prior art, the utility model discloses a novel protective mask, the air inlet and the air outlet all pass through a specific channel, the discharged waste gas has less residue in the mask, the discharge is fast, and the fresh air suction amount is increased; moreover, the filter cotton and the nose pad can be detached and reused after cleaning, thereby reducing the social sanitation garbage disposal.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a structural explosion diagram of the novel protective mask of the present invention.

Fig. 2 is a half-section view of the novel protective mask provided by the utility model.

Fig. 3 is a cross-sectional view of the novel protective mask provided by the present invention.

Fig. 4 is a side view of the novel protective mask provided by the present invention.

Fig. 5 is a schematic view of the overall structure of the novel protective mask of the present invention.

Fig. 6 is a schematic diagram of the overall structure of the novel protective mask of the present invention.

Wherein the reference symbols are:

1-face shell, 2-inner shell, 3-nose pad, 4-air inlet valve, 5-air outlet valve, 6-front cover, 7-filter cotton, 8-air inlet valve mounting hole, 9-air outlet valve mounting hole, 10-inner shell through hole, 11-vent hole, 12-mounting buckle, 13-silica gel, 14-strip hole, 15-cross reinforcing rib, 16-arc reinforcing strip plate and 17-mouth vent hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The embodiment 1 of the utility model discloses a novel protective facial mask, include: the mask comprises a mask shell 1, an inner shell 2, a nose pad 3, an air inlet valve 4, an air outlet valve 5, a front cover 6 and filter cotton 7, wherein a wearing cavity is arranged on the inner side of the mask shell 1, and an air inlet valve mounting hole 8 and an air outlet valve mounting hole 9 are arranged on the mask shell 1 in parallel; the inner shell 2 is fixedly arranged on the inner side of the face shell 1, and the middle part of the inner shell is provided with an inner shell through hole 10; the nose pad 3 is detachably arranged at the through hole 10 of the inner shell, and the middle part of the nose pad is provided with an L-shaped vent hole 11; the vent hole 11 and the inner shell through hole 10 are communicated with the air inlet valve mounting hole 8 and the air outlet valve mounting hole 9; the air inlet valve 4 and the air outlet valve 5 are respectively arranged at an air inlet valve mounting hole 8 and an air outlet valve mounting hole 9 and are detachably connected with the face shell 1; the front cover 6 is detachably arranged on the outer side of the face shell 1, and a gap is reserved between the front cover 6 and the face shell 1; the filter cotton 7 is fixedly clamped between the front cover 6 and the face shell 1 and completely fills the gap.

In order to further optimize the technical scheme, a plurality of mouth vent holes 17 are formed in the face shell 1 corresponding to the mouth of the user and used for air inlet and air outlet of the mouth, so that excessive suffocation is avoided, and the wearing comfort of the user is improved.

In order to further optimize the technical scheme, mounting buckles 12 are mounted on two sides of the face shell 1, and ear bands or head bands penetrate through the mounting buckles 12. The ear band or the head band is used for fixing the whole novel protective mask on the head of a user, and the tightness can be adjusted.

In order to further optimize the technical scheme, a silica gel body 13 is fixed on one side of the wearing cavity close to the face of the user, and long holes 14 are formed in the positions, corresponding to the silica gel body 13 and the mounting buckle 12, of the wearing cavity; an ear band or a head band is threaded in the elongated hole 14. Colloidal silica 13 is gentler than human skin, does not have the metal strip, and with user's skin contact, difficult damage skin, the comfort reinforcing, the leakproofness is better, and the protecting effect is better.

In order to further optimize the technical scheme, one side of the silica gel body 13, which is far away from the face shell 1, is further coated with flannelette, and the flannelette is used for increasing the comfort of a user wearing the mask in winter when the climate is colder.

In order to further optimize the technical scheme, the nose pad 3 is a silica gel nose mouth-imitating soft pad and is worn at the middle of the lower end of the nose of the user. The nose pad 3 is designed by soft silica gel in a nose shape, the sealing performance is improved, inspiration can be only realized through the air inlet valve 4, and expiration can be only realized through the air outlet valve 5.

In order to further optimize the technical scheme, the filter cotton 7 is N95 filter cotton, and in areas with higher risk fans, N95 filter cotton with higher filter grade is adopted, so that the protection effect is improved.

In order to further optimize the above solution, both the inlet valve mounting hole 8 and the outlet valve mounting hole 9 are provided with cross-shaped reinforcing ribs 15. The cross-shaped reinforcing ribs 15 can not only increase the structural stability of the face shell and avoid deformation, but also provide convenience for the installation of the air inlet valve and the air outlet valve.

In order to further optimize the above technical solution, one side of the front cover 6 close to the face shell 1 is provided with a plurality of parallel arc-shaped reinforcing strip-shaped plates 16. The arc-shaped reinforcing strip-shaped plate 16 can reinforce the stability of the front cover structure on the one hand and can better clamp the filter pulp 7 on the other hand.

The utility model discloses a novel protective mask, which is used for selecting a nose pad 3 suitable for the user, arranging two mounting buckles 12 on the left and right sides of a face shell 1, wearing ear bands or head bands in the mounting buckles 12 on the head for fixation, adjusting the tightness, checking whether the periphery of the nose leaks air, checking whether the air inlet and the air outlet are smooth, blocking the air outlet when the air outlet is in the air outlet, and normally exhausting the air in the air inlet pipeline without air; when in air suction, the air inlet pipeline is unobstructed, the air inlet is blocked, the air outlet pipeline is normal when no air enters, the filter cotton 7 is put in, and the front cover 6 is arranged; when the filter cotton 7 needs to be replaced for a long wearing time of a user, the filter cotton 7 can be cleaned or replaced only by detaching the front cover 6 and then taking down the filter cotton 7, and the use is convenient.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (9)

1. A novel protective mask is characterized by comprising: the nose pad comprises a face shell (1), an inner shell (2), a nose pad (3), an air inlet valve (4), an air outlet valve (5), a front cover (6) and filter cotton (7), wherein a wearing cavity is formed in the inner side of the face shell (1), and an air inlet valve mounting hole (8) and an air outlet valve mounting hole (9) are formed in the face shell (1) in parallel; the inner shell (2) is fixedly arranged on the inner side of the face shell (1), and an inner shell through hole (10) is formed in the middle of the inner shell; the nose pad (3) is detachably arranged at the through hole (10) of the inner shell, and the middle part of the nose pad is provided with a vent hole (11); the vent hole (11) and the inner shell through hole (10) are communicated with the air inlet valve mounting hole (8) and the air outlet valve mounting hole (9);

the air inlet valve (4) and the air outlet valve (5) are respectively arranged at the air inlet valve mounting hole (8) and the air outlet valve mounting hole (9) and are detachably connected with the face shell (1); the front cover (6) is detachably arranged on the outer side of the face shell (1), and a gap is reserved between the front cover (6) and the face shell (1); the filter cotton (7) is fixedly clamped between the front cover (6) and the face shell (1) and completely fills the gap.

2. The novel protective mask according to claim 1, wherein the mask (1) is provided with a plurality of vent holes (17) corresponding to the mouth.

3. The novel protective mask according to claim 1, wherein the two sides of the face shell (1) are respectively provided with a mounting buckle (12), and an ear band or a head band is threaded in the mounting buckles (12).

4. The novel protective mask according to claim 3, wherein a silicon body (13) is fixed on one side of the wearing cavity close to the face, and long holes (14) are formed in positions of the silicon body (13) corresponding to the mounting buckle (12); the ear belt or the head belt penetrates through the long hole (14).

5. The protective mask according to claim 4, wherein the side of the silicon gel body (13) away from the face shell (1) is covered with flannelette.

6. The novel protective mask as claimed in any one of claims 1 to 5, wherein the nose pad (3) is a silica gel nose mouth-like cushion and is worn in the middle of the person under the nose.

7. The novel protective mask as claimed in any one of claims 1 to 5, wherein the filter cotton (7) is N95 filter cotton.

8. The protective mask according to any one of claims 1 to 5, wherein the inlet valve mounting hole (8) and the outlet valve mounting hole (9) are provided with cross-shaped reinforcing ribs (15).

9. The novel protective mask according to any one of claims 1 to 5, wherein a plurality of parallel arc-shaped reinforcing strip-shaped plates (16) are arranged on one side of the front cover (6) close to the face shell (1).

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