CN213639757U - Transparent mask - Google Patents

Abstract

The utility model relates to a transparent mask, transparent mask formula structure as an organic whole or ear split type structure, including TPU structural layer, new trend filtration suction valve and expiratory valve set up the left and right sides on the TPU structural layer respectively. The fresh air filtering and sucking valve also comprises a filter screen and a fan; the filter screen includes: non-woven fabrics layer, activated carbon layer and non-woven fabrics layer that superpose in proper order. The exhalation valve also includes a one-way valve body. The transparent mask adopts the TPU structure layer, has high visualization degree, and is greatly helpful and improved for face recognition, security inspection and the like; frequent removal and wearing of the mask are avoided, and droplet transmission among people is reduced; the fresh air filtering inhalation valve and the exhalation valve are arranged, so that the stuffy closure, unsmooth breathing and low oxygen state of a wearer can not be caused; the mask can be cleaned and reused.

Description

Transparent mask

Technical Field

The utility model relates to a breathe filter equipment technical field, especially relate to a gauze mask.

Background

The existing masks are roughly of the following types: the disposable open type transparent mask is made of transparent hard plastic materials, is long in semi-arc shape, and is widely applied to service industries such as restaurants, kitchens, snack bars and the like; the medical disposable protective mask is made of two-sided non-woven fabric, the middle interlayer is melt-blown fabric, a plastic nose bridge strip and a rectangle, and the medical disposable protective mask is widely applied to the inside and the outside of public occasions when people go out; 3M protective breather valve gauze mask, ordinary fabric fibre, the oblong shape has the breather valve, and the bridge of the nose strip of plastic is widely used in the place that the construction dust is too much etc..

However, the disposable open type transparent mask is made of hard material, the open type design cannot effectively prevent the dispersion of droplets driven by airflow, the mask is not beautiful enough and cannot be worn by the public in daily trips, and meanwhile, the disposable use mode also causes waste and pollution and loses the effect of environmental protection.

The medical disposable mask has high protection degree on the front, but the mask is rectangular and has flat four sides, so that the side edges can bulge when the mask is worn, the protection is reduced, the risk of spreading germs-carrying droplets in people cannot be avoided, and the mask is disposable, causes great pollution waste and loses the significance of environmental protection; meanwhile, the mask is opaque, so that the mask cannot be visualized among the masses, the face recognition advocated by the Internet is also hindered, and the aesthetic degree is greatly reduced; moreover, the mask is made of double-sided non-woven fabrics, and can adsorb moisture after being worn for a long time, so that a wearer is in a state of stuffy closure, unsmooth breathing and low oxygen.

3M protective breather valve gauze mask, ordinary fabric fibre, the protecting effect is good, but beautifully on the journey degree and wear the comfort level, discount greatly: the wearing area is small, so that a wearer can feel slightly painful after wearing the mask for a long time, the mask is made of too thick material, the breathing valve can exhaust air but cannot intake air, and the low-oxygen state of the wearer is caused after wearing the mask for a long time; although not disposable, the service life of the common fabric fiber is not long because the mask is polluted by water vapor generated during wearing, and the fabric tissue structure is damaged after cleaning, so that the effect of recycling is lost.

The problems of the prior art described above need to be solved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the above-mentioned shortcoming, the deficiency of prior art, the utility model discloses an aim at changes three above gauze mask materials, changes the external dimension of gauze mask, increases new trend and filters admission valve and breathe the air outlet valve, lets it can wrap up the mouth nose effectively, reaches protection, visual, oxygen is sufficient in the gauze mask, a series of effects such as pleasing to the eye.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

a transparent mask is of an integrated structure or a split structure which is symmetrical left and right and comprises a TPU structure layer, a fresh air filtering and air suction valve and an exhalation valve, wherein the fresh air filtering and air suction valve and the exhalation valve are respectively arranged on the left side and the right side of the TPU structure layer;

the TPU structural layer comprises a mask body covering the face of a user and hangers positioned on two sides of the mask body, and the mask body and the hangers are integrally formed;

the thickness of the TPU structural layer is 0.2-0.4 mm.

Optionally, through holes corresponding to the shapes of the fresh air filtering inhalation valve and the exhalation valve are respectively formed in the TPU structural layer;

the fresh air filtering inhalation valve and the fresh air filtering exhalation valve comprise shells, and the shells comprise an inner shell close to the face of a wearer and an outer shell far away from the face of the wearer;

the inner shell and the outer shell are detachably connected to the through hole.

Optionally, the fresh air filtering and sucking valve further comprises a filter screen and a fan which are positioned inside the shell, and a battery and a control circuit which are matched with the fan are also arranged inside the shell;

wherein the fan is disposed adjacent to the outer housing.

Optionally, the filter screen includes: non-woven fabrics layer, activated carbon layer and non-woven fabrics layer that superpose in proper order.

Optionally, the exhalation valve further comprises a one-way valve body located inside the housing;

the one-way valve body has an inspiration state attached to the inner side shell and an expiration state separated from the inner side of the shell; when the one-way valve body is in an expiration state, the air flow is discharged from a gap between the one-way valve body and the inner shell.

Optionally, the one-way valve body is a silicon sheet or a rubber sheet.

(III) advantageous effects

The utility model has the advantages that:

1. the transparent mask integrally adopts a TPU (thermoplastic polyurethane) structure layer, has high visualization degree, and is greatly helpful and improved for the current developed society of the Internet, face recognition, security inspection, customs and mutual recognition of relatives and friends; frequent removal and wearing of the mask are avoided, and droplet transmission among people is reduced; can completely meet the requirements of wearers with higher requirements on aesthetic degree.

2. Adopt the fresh air filtration suction valve, the gauze mask will be worn for a long time, still can satisfy the security requirement, can not cause the discomfort to the user.

3. By adopting the expiratory valve, the water vapor breathed by the human body can be discharged in time, and the stuffy closure, the unsmooth breathing and the low oxygen state of a wearer can not be caused.

Drawings

Fig. 1 is a schematic view of the outside of the see-through mask of the present invention;

FIG. 2 is a schematic view of the outside of the mask of FIG. 1 on the side where the breather valve is located;

fig. 3 is an inner side schematic view of the see-through mask of the present invention.

[ description of reference ]

1: a TPU structural layer;

11: a mask body;

12: hanging loop

2: a fresh air filtering and sucking valve;

21: a filter screen;

3: an exhalation valve;

31: a check valve body;

4: a housing;

41: an inner housing;

42: an outer housing.

Detailed Description

For better explanation of the present invention, for the purpose of understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings. The term "inside" and "outside" as used herein means that the side of the see-through mask close to the face of the wearer is the inside of the mask, and the side of the see-through mask away from the face of the wearer is the outside of the mask.

The embodiment of the utility model provides a see-through mask, see-through mask formula structure as an organic whole or bilateral symmetry's split type structure, including TPU structural layer 1, new trend filtration suction valve 2 and expiratory valve 3 set up the left and right sides on TPU structural layer 1 respectively.

The transparent mask provided by the embodiment can achieve the transparency of one hundred percent, is good in visualization, and has great help and improvement on the aspects of face recognition, security inspection, customs and mutual recognition of relatives and friends in the current developed internet society, the mask is not required to be taken off and worn in public places every time, and the spray transmission among people is reduced; meanwhile, in the mind of people who love beauty, after makeup is taken out every time, the beauty face can be completely displayed like a mask which is not worn at ordinary times, and the beauty face is not afraid of being shielded by a colored mask. After the fresh air filtering and air suction valve is installed, the mask can be worn for a long time, and experiments show that children are most sensitive in all aspects and have low tolerance, but after the mask is worn, the longest wearing time can reach 4 hours, and other masks can only be worn for about 1 hour.

In order to better understand the above technical solution, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

Example 1

Referring to fig. 1-3, in this embodiment, the see-through mask is an integrated structure, and includes a TPU structural layer 1, a fresh air filtering intake valve 2 and an exhalation valve 3, where the fresh air filtering intake valve 2 and the exhalation valve 3 are respectively disposed on the left and right sides of the TPU structural layer 1.

The integrated structure is not excluded, the transparent mask can be formed by a left TPU structure layer 1 and a right TPU structure layer 1 which are completely symmetrical in structure, and no edge is covered, so that large-scale and batch production can be realized in the actual production process, the production efficiency is high, and the cost is low. Meanwhile, the folding storage is convenient to use.

The TPU structural layer 1 comprises a mask body 11 covering the face of a user and hangers 12 positioned on two sides of the mask body, and the mask body 11 and the hangers 12 are integrally formed; therefore, the transparent mask is higher in visualization degree, and the requirement of face recognition is completely met.

The thickness of the TPU structural layer 1 can be set to be about 0.2 mm, of course, 0.3 mm or 0.4mm can be selected, and the TPU material with the thickness has excellent characteristics of high tension, high tensile force, toughness and aging resistance, and is a mature environment-friendly material.

At present, TPU materials are widely applied to the aspects of medical sanitation, electronic appliances, industry, sports and the like, have the incomparable characteristics of high strength, good toughness, wear resistance, cold resistance, oil resistance, water resistance, aging resistance, weather resistance and the like compared with other plastic materials, and simultaneously have a plurality of excellent functions of high waterproofness, moisture permeability, wind resistance, cold resistance, bacteria resistance, mildew resistance, warm keeping, ultraviolet resistance, energy release and the like, can be repeatedly used, and have good recycling property and good environmental protection property.

In addition, adopt the see-through mask of TPU structural layer, because no adsorptivity of TPU structural layer can realize reuse, wash through the clear water after using at every turn, dry or wipe dry the back, can carry out reuse.

Through holes corresponding to the shape of the fresh air filtering inhalation valve 2 and the exhalation valve 3, such as circular through holes or square through holes, are respectively formed in the TPU structure layer 1 and are used for installing the fresh air filtering inhalation valve 2 and the exhalation valve 3.

The fresh air filtering inhalation valve 2 and the exhalation valve 3 comprise a shell 4, and the shell 4 comprises an inner shell 41 close to the face of a wearer and an outer shell 42 far away from the face of the wearer; the inner housing 41 and the outer housing 42 may be snap-fit connections, which facilitate the opening and closing of the housing 4 by the wearer.

The shape of the shell 4 can be a common circular shell, a square shell, an oblong shell and the like, and the shape of the shell 4 is not further limited by the embodiment, and only the production requirement is required to be met.

The structure of the clamping connection may be that a clamping groove is arranged on the outer shell 42, and the inner shell 41 is embedded into the clamping groove in an interference fit manner; other conventional snap-fit connection structures are also possible to facilitate opening or closing of the housing 4.

Further, the fresh air intake valve 2 further includes a filter screen 21 and a fan (not shown) inside the housing 4. The filter screen 21 includes: non-woven fabrics layer, activated carbon layer and non-woven fabrics layer that superpose in proper order. The fan is located closer to one side of the outer shell 42, and a battery and a control circuit matched with the fan are further arranged in the shell. The oblong housing 4 may be adopted at this time to ensure the housing space of the blower, the battery cooperating with the blower, and the control circuit in the housing 4. Because the shell 4 can be conveniently opened or closed by a wearer, after the mask is used for a period of time, the wearer can replace the filter screen 21 inside the shell 4 by himself, so that the filtering effect is improved, and the service life of the see-through mask is prolonged.

When the mask needs to be cleaned for reuse, the shell can be opened, and the built-in fan, the built-in battery and the built-in control circuit are taken out and then cleaned, so that the damage to the components is avoided.

The fan can adopt all sizes suitable for the mask, such as a micro fan, and the air supply quantity required by wearing the mask is not large, so that the micro fan can meet the use requirement. Due to the arrangement of the fan, fresh air can be fed into a user wearing the transparent mask, the muggy feeling of the face caused by the fact that the transparent mask is worn by the TPU structural layer is effectively relieved, and the user does not have any uncomfortable feeling after wearing the mask for a long time.

Further, the exhalation valve 3 also comprises a one-way valve body 31 located inside the housing 4; the one-way valve body 31 has an inhalation state attached to the inner housing 41 and an exhalation state detached from the inner housing 42; when the check valve body 31 is in the exhalation state, the air flow is discharged from the gap between the check valve body 31 and the inner housing 42.

Because the shell 4 adopts a detachable connection structure of the inner shell 41 and the outer shell 42, the fresh air filtering and air suction valve 2 of the transparent mask can be formed only by arranging the filter screen 21 in the shell 4; the one-way valve body 31 is placed inside the casing 4, i.e. the exhalation valve 3 of the see-through mask is formed. Further improving the production efficiency and the use convenience of the transparent mask.

A fresh air filtering inhalation valve 2 and an exhalation valve 3 which are matched with each other are arranged, when a wearer inhales, external air flow is filtered by a filter screen 21 of the fresh air filtering inhalation valve 2 and enters the interior of the mask, and the wearer breathes into clean air; when a wearer is in an expiration state, the one-way valve body 31 of the expiration valve 3 is opened, the one-way valve body 31 is in an expiration state separated from the inner shell 41, a gap is generated between the one-way valve body 31 and the inner shell 42, vapor exhaled by the wearer is timely discharged through the gap, and the comfort level of the wearer is greatly improved.

The check valve body 31 may be made of a soft material, such as a silicone sheet or rubber. This kind of soft material finished piece can guarantee that check valve body 31 produces certain deformation under the influence of the air current that the person of wearing produced in the breathing process to guarantee that the air current of exhaling in-process is unobstructed to be discharged, and further avoid gaseous adverse current.

Further, the check valve 31 may be a yellow or blue colored valve to further improve the aesthetic appearance of the see-through mask.

Example 2

Referring to fig. 1 to 3, the present embodiment provides a left-right symmetric two-piece split transparent mask, which is formed by splicing two piece structures symmetric to the central axis of the mask at the central axis. Because of the split type design for bilateral symmetry, both can set up the gauze mask of equidimension not according to the different person's of wearing face size, so that transparent gauze mask can perfectly laminate different person's of wearing face, improves user experience, also can realize the mass production on the production line completely.

The see-through mask that this embodiment provided sets up fresh air filtration inhalation valve 2 and expiratory valve 3 on see-through mask equally, fresh air filtration inhalation 2 and expiratory valve 3 are located the mask below, roughly correspond the position with wearer's mouth, nasal part, and the effectual fresh air that lets is admitted air directly the mouth and is breathed, goes out the inside discharge of follow mask that gas also can be faster simultaneously, and the wearer can not produce the phenomenon of stifled, hypoxemia, not breathing.

The mask is designed in consideration of the face fitting degree, the protection degree, the attractiveness, the comfort degree and the like, the two sides of the upper portion of the mask are downward arcs, and the nose portion protrudes upwards, so that the mask can be effectively fitted to the face when being worn, and is more attractive; the side face of the mask is inward arc-shaped, so that the mask cannot bulge when being worn, and the protection performance of the side edge of the mask is improved.

The transparent mask comprises a TPU (thermoplastic polyurethane) structure layer 1, wherein the TPU structure layer 1 comprises a mask body 11 covering the face of a user and hangers 12 positioned on two sides of the mask body, and the mask body 11 and the hangers 12 are integrally formed; because of the left-right two-piece type split structure, obviously, the left mask body 11 and the left suspension loop 12 are integrally formed, and the right mask body 11 and the right suspension loop 12 are integrally formed.

The thickness of the TPU structural layer 1 is set to be about 0.2 mm. And circular through holes are respectively formed in the TPU structure layer 1 corresponding to the fresh air filtering inhalation valve 2 and the exhalation valve 3 and used for installing the fresh air filtering inhalation valve 2 and the exhalation valve 3.

The installation mode of the fresh air filtering inhalation valve 2 and the exhalation valve 3 can be a left fresh air filtering inhalation valve and a right exhalation valve, and certainly, the installation mode can also be exchanged to a right fresh air filtering inhalation valve and a left exhalation valve, and the installation mode is not limited in the embodiment.

The fresh air filtering inhalation valve 2 and the exhalation valve 3 comprise a shell 4, and the shell 4 comprises an inner shell 41 close to the face of a wearer and an outer shell 42 far away from the face of the wearer; the inner casing 41 and the outer casing 42 are screw-coupled so that the wearer can open or close the casing 4 conveniently.

The structure of the threaded connection can be that an internal thread is arranged in the outer shell 42, and an external thread is arranged at the corresponding position of the inner shell 42, so that a user can conveniently unscrew the shell 4 to replace the filter screen 21 or the one-way valve body 31 in the shell 4, and the service life of the transparent mask is prolonged.

Furthermore, the fresh air intake valve 2 further comprises a filter screen 21 and a micro fan which are positioned inside the shell 4. The filter screen 21 includes: non-woven fabrics layer, activated carbon layer and non-woven fabrics layer that superpose in proper order. Because the shell 4 can be conveniently unscrewed or closed by a wearer, the wearer can replace the filter screen 21 by himself after using the mask for a period of time, so that the filtering effect is improved, and the service life of the see-through mask is prolonged.

The micro fan is positioned at one side closer to the outer shell 42, and a battery and a control circuit which are matched with the fan are also arranged in the shell.

Further, the exhalation valve 3 further comprises a one-way valve body 31 located inside the housing; the one-way valve body 31 has an inhalation state attached to the inner housing 41 and an exhalation state detached from the inner housing 41; when the check valve body 31 is in an expiratory state, the air flow is discharged from a gap between the check valve body and the inner housing.

Because the fresh air filtering inhalation valve 2 and the exhalation valve 3 which are matched with each other are arranged, when a wearer inhales, external air flow enters the interior of the mask after being filtered by the filter screen 21 of the fresh air filtering inhalation valve 2, and the wearer breathes into clean air; when a wearer is in an expiration state, the one-way valve body 31 of the expiration valve 3 is opened, water vapor exhaled by the wearer is discharged in time, and the comfort level of the wearer is greatly improved.

The check valve body 31 can be made of a silica gel sheet or a rubber sheet and the like, so that the check valve body 31 is ensured to deform under the influence of air flow generated in the breathing process of a wearer, the air flow in the expiration process is smoothly discharged, and the gas backflow is further avoided.

The transparent mask provided by the embodiment has high visualization degree, and the mask does not need to be taken off in all occasions needing face recognition; due to the arrangement of the fresh air suction valve 2, enough fresh air can enter the mask when the mask is worn, so that a user does not feel uncomfortable due to mugginess and the like, and the user experience is greatly improved; and this see-through mask can wash back used repeatedly because TPU structural layer 1's non-adsorptivity, cooperates the inside removable filter screen 21 of fresh air admission valve 2, has prolonged the live time of see-through mask greatly, and the feature of environmental protection is good.

In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means 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 and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

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 modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (6)

1. The transparent mask is of an integrated structure or a split structure which is bilaterally symmetrical and comprises a TPU (thermoplastic polyurethane) structure layer (1), a fresh air filtering and air suction valve (2) and an exhalation valve (3), wherein the fresh air filtering and air suction valve (2) and the exhalation valve (3) are respectively arranged on the left side and the right side of the TPU structure layer (1);

the TPU structural layer (1) comprises a mask body (11) covering the face of a user and hangers (12) positioned on two sides of the mask body, and the mask body (11) and the hangers (12) are integrally formed;

the thickness of the TPU structural layer (1) is 0.2-0.4 mm.

2. The see-through mask of claim 1,

through holes corresponding to the shapes of the fresh air filtering and air suction valve (2) and the exhalation valve (3) are respectively formed in the TPU structural layer (1);

the fresh air filtering inhalation valve (2) and the exhalation valve (3) both comprise a shell (4), and the shell (4) comprises an inner shell (41) close to the face of the wearer and an outer shell (42) far away from the face of the wearer;

the inner case (41) and the outer case (42) are detachably attached to the through hole.

3. The see-through mask of claim 2,

the fresh air filtering and sucking valve (2) further comprises a filter screen (21) and a fan which are positioned in the shell (4), and a battery and a control circuit which are matched with the fan are further arranged in the shell;

wherein the fan is disposed proximate the outer housing (42).

4. The see-through mask of claim 3,

the filter screen (21) includes: non-woven fabrics layer, activated carbon layer and non-woven fabrics layer that superpose in proper order.

5. The see-through mask of claim 2,

the exhalation valve (3) further comprises a one-way valve body (31) located inside the housing (4);

the one-way valve body (31) has an inspiration state attached to the inner shell (41) and an expiration state separated from the inner shell (41); when the check valve body (31) is in an exhalation state, the air flow is discharged from a gap between the check valve body (31) and the inner housing (41).

6. The see-through mask of claim 5,

the one-way valve body (31) is a silica gel sheet or a rubber sheet.

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