CN219270222U - Flame-retardant moisture-proof protective mask - Google Patents

Abstract

The utility model relates to the technical field of protection, in particular to a flame-retardant moisture-proof protective mask; comprises a mask body, ear straps and nose bridge strips; the mask body sequentially comprises a flame retardant layer, an odor filter layer, a high-efficiency filter layer and a moisture-proof ventilation layer from outside to inside; the flame-retardant layer, the peculiar smell filtering layer, the high-efficiency filtering layer and the moisture-proof ventilation layer are respectively sewn and preformed by flame-retardant aramid sewing threads, and the edges of all the preformed layers are jointly sewn with edge-wrapping strips so as to be integrated, wherein the edge-wrapping strips and the ear strips are high-elasticity flame-retardant knitted strips; the ear strap is connected to the left side and the right side of the mask body, and the nose bridge strip is arranged between the edging strip and the flame-retardant layer at the middle position of the upper part. The three-dimensional structure design of the utility model effectively reduces respiratory resistance; the mask has the characteristics of flame retardance, moisture resistance, ventilation, peculiar smell removal, high-efficiency dust filtration, skin comfort and the like, and can be applied to the real-time protection of the respiratory tract of operators in explosive production operation places at sudden bombing moments.

Description

Flame-retardant moisture-proof protective mask

Technical Field

The utility model relates to the technical field of protection, in particular to a flame-retardant moisture-proof protective mask.

Background

At present, a common protective mask is indispensable in daily life work, is mainly used for protecting daily pollen, spray, PM2.5 and the like, is generally divided into an outer layer, a filter layer and an inner layer from outside to inside, wherein the outer layer is formed by spun-bonded non-woven fabrics, the pore size of a filter material is larger, and particles with larger sizes can be filtered; the core component filter layer is formed by melt-blown non-woven fabric, and particles with smaller size can be filtered; the inner layer is also formed of a spunbonded nonwoven fabric, and the outer layer and the inner layer cooperate to secure the filter layer. The common protective mask can only meet the general demands of daily life or particulate work places, and can not block sudden bombing instant flame injury aiming at special protective demands of inflammable environments such as explosive work places, and the common protective mask has no flame retardant function, so that in the use process, secondary injury to the attached skin parts can be caused even due to burning and melting phenomena generated by high-temperature flame, and great potential safety hazards exist. In addition, the wet and hot air exhaled by a wearer cannot be exhausted out of the mask in time through the common mask, so that people wear the mask with poor comfort.

Disclosure of Invention

The utility model provides a flame-retardant moisture-proof protective mask for solving the technical problem that a common mask cannot be suitable for inflammable environments such as explosive working places and the like, can provide real-time protection for respiratory tracts of operators in explosive production working places at sudden bombing moments, can effectively absorb moisture and prevent damp, solves the problem of stuffy wearing, can efficiently filter dust and remove peculiar smell, and provides comfortable wearing experience for the operators.

In order to solve the technical problems, the utility model adopts the following technical scheme: a flame-retardant moisture-proof protective mask comprises a mask body, ear straps and nose bridge strips; the mask body sequentially comprises a flame retardant layer, an odor filter layer, a high-efficiency filter layer and a moisture-proof ventilation layer from outside to inside; the flame-retardant layer, the peculiar smell filtering layer, the high-efficiency filtering layer and the moisture-proof ventilation layer are respectively sewn and preformed by flame-retardant aramid sewing threads, and the edges of all the preformed layers are jointly sewn with edge-wrapping strips so as to be integrated, wherein the edge-wrapping strips and the ear strips are high-elasticity flame-retardant knitted strips; the ear strap is connected to the left side and the right side of the mask body, and the nose bridge strip is arranged between the edging strip and the flame-retardant layer at the middle position of the upper part. The three-dimensional structure design of the utility model effectively reduces respiratory resistance. When the nose bridge is used, the ear belts on two sides are hung on ears of a person, and the nose bridge strip is located at a comfortable position of the nose of the person and is used for adjusting the fitting degree according to the self requirements.

Compared with the prior art, the utility model has the following beneficial effects:

1. the multifunctional protective mask has the functions of preventing particulate matters from invading the personnel daily, filtering peculiar smell and resisting flame, and can realize real-time protection of the respiratory tract of the operators in explosive production operation places at sudden bombing moments;

2. the glasses have a unidirectional moisture permeability function, can effectively absorb moisture and prevent moisture, solve the problem of sultry when being worn, and prevent the glasses from being fogged due to the moisture, thereby causing inconvenience to the wearer;

3. the polyacrylonitrile activated carbon fiber cloth with the odor adsorption function has high nitrogen content, can well adsorb organic matters and harmful substances, has more micropores than activated carbon powder, can be directly contacted with an adsorption medium, is not easy to pulverize, avoids secondary pollution, and has higher odor adsorption efficiency;

4. the three-dimensional structure design effectively reduces respiratory resistance, can effectively reserve a larger space for the mouth and nose when in use, and reduces the sense of compression;

5. through optimizing the processing technology, integrate multilayer functional material in a protective mask, outer flame retardant coating and inlayer peculiar smell filter layer, high-efficient filter layer, skin-friendly moisture proof ventilative layer are reverse preformed of making up respectively, and the mode of making up the rethread bordures is with preformed inside and outside lamination as an organic wholely to place the bridge of the nose strip between bordure strip and the flame retardant coating.

Drawings

Fig. 1 is a schematic structural view of the protective mask of the present utility model.

Fig. 2 is a schematic view of a multi-layer structure of the mask body.

FIG. 3 is a schematic view of a sewing preform.

The figures are labeled as follows:

1-mask body, 2-ear belt, 3-nose bridge strip, 4-flame retardant layer, 5-peculiar smell filter layer, 6-high-efficiency filter layer, 7-moisture-proof ventilation layer and 8-sewing thread.

Detailed Description

The utility model is further illustrated below with reference to specific examples.

Example 1

As shown in fig. 1, a flame-retardant moisture-proof protective mask comprises a mask body 1, ear straps 2 and nose bridge strips 3; the mask body 1 sequentially comprises a flame retardant layer 4, an odor filter layer 5, a high-efficiency filter layer 6 and a moisture-proof ventilation layer 7 from outside to inside; the flame-retardant layer 4, the peculiar smell filtering layer 5, the high-efficiency filtering layer 6 and the moisture-proof ventilation layer 7 are respectively sewn and preformed by flame-retardant aramid sewing threads, and the edges of the preformed layers are jointly sewn with the edging strips so as to be integrated, and the edging strips and the ear bands 2 are high-elasticity flame-retardant woven belts; the ear strap 2 is connected to the left and right sides of the mask body 1, and the nose bridge strip 3 is arranged between the edging strip and the flame-retardant layer at the middle position of the upper part.

Further, the material of the flame-retardant layer 4 is a blend fabric of 170 g/square meter aramid 1313 fiber and conductive fiber, and the blend fabric of 170 g/square meter aramid 1313 fiber and conductive fiber formed by adopting a double-layer point-hook process is capable of permanently retarding flame due to the inherent characteristic of the molecular structure, has self-extinguishing property in flame and excellent flame retardant property; the antistatic performance of the fabric is improved through the conductivity of the conductive fibers, so that the fabric is ensured to have lasting and excellent antistatic performance, the fabric is more suitable for occasions where fire is easy to occur, and the real-time protection of the respiratory tract of operators in explosive production operation places can be realized at the sudden burst moment.

Furthermore, the material of the peculiar smell filter layer 5 is single-layer polyacrylonitrile activated carbon fiber cloth, has high nitrogen content, can well adsorb organic matters and harmful substances, has more micropores than activated carbon powder, can be directly contacted with an adsorption medium, is not easy to pulverize, avoids secondary pollution, and has higher peculiar smell adsorption efficiency.

Further, the material of the high-efficiency filter layer 6 is double-layer 25 g/square meter water electret polypropylene melt-blown cloth; the polypropylene melt-blown cloth has the advantages of superfine fiber, large specific surface area, high porosity, low air resistance and the like, and the double-layer melt-blown cloth has high filtration efficiency and large dust holding capacity.

Further, the material of the moisture-proof breathable layer 7 is 75 g/-square meter three-dimensional needle-drawing check unidirectional moisture-conducting cloth, one side of the hydrophilic surface of the moisture-proof breathable layer 7 faces the efficient filter layer 6, the hydrophilic surface is flushed to the efficient filter layer 6 through the difference of the hydrophilicity and hydrophobicity of the inner layer and the outer layer, the hydrophobic surface is flushed to the skin of a person, the hydrophobic surface contains a small part of hydrophilic parts, moisture in the mask can be quickly transmitted to the hydrophilic surface, the face and the mask are kept dry and comfortable, the problem of stuffy wearing is solved, and the glasses are prevented from being fogged by the moisture.

Further, the nose bridge strip 3 adopts a 5mm wide double-core iron wire nose clip line, the length is 9cm, and two end parts of the nose bridge strip 3 adopt a rounding design to prevent the mask and the human body from being pierced.

The ear strap 2 adopts nylon high-elasticity knitting strap, and has flame retardant effect after post treatment.

Through the combination form of the multi-layer protective materials, the flame-retardant layer, the peculiar smell filter layer, the high-efficiency filter layer and the skin-friendly moisture-proof ventilation layer are integrated, and the flame-retardant moisture-proof ventilation type air-permeable explosive powder has the characteristics of flame retardance, moisture resistance, ventilation, peculiar smell removal, high-efficiency dust filtration, skin-friendly comfort and the like, and can be applied to real-time protection of the respiratory tract by operators in explosive production operation sites in sudden bombing moments.

The utility model provides a novel breathable flame-retardant moisture-proof protective mask, which has a flame-retardant moisture-proof function on the premise of meeting the daily protection of PM10, PM2.5, industrial dust and other fine particles and peculiar smell. The whole appearance is beautiful, the use is convenient, and the function is practical.

The flame-retardant moisture-proof protective mask adopts a multi-layer protective material combination form, integrates a flame-retardant layer, an peculiar smell filter layer, a high-efficiency filter layer and a skin-friendly moisture-proof breathable layer, wherein the flame-retardant layer adopts meta-aramid fabric materials which do not need post-processing and finishing, has excellent flame-retardant performance and self-extinguishing property in flame; the skin-friendly moisture-proof breathable layer is made of a unidirectional moisture-conducting material, one side of the hydrophobic side is close to the skin of a human body, so that water vapor is transferred to the hydrophilic layer, moisture-proof breathable performance can be effectively guaranteed, and because the flame-retardant layer material is not melted at high temperature and cannot be formed in an ultrasonic welding mode, the flame-retardant layer, the peculiar smell filtering layer, the high-efficiency filtering layer and the skin-friendly moisture-proof breathable layer are sewn into a whole in a hemming sewing mode, and finally, the flame-retardant moisture-proof function is added on the basis of a common protective mask, and real-time protection of operators in explosive production operation sites on respiratory tracts in sudden bombing moments is met.

The utility model integrates a flame-retardant layer and a skin-friendly moisture-proof breathable layer on the basis of a common protective mask. The skin-friendly moisture-proof breathable layer is made of a unidirectional moisture-conducting material, is comfortable to adhere to skin, can rapidly discharge hot air and water vapor exhaled by a person into the mask, can effectively absorb moisture and prevent moisture, and solves the problem of stuffiness in wearing; the flame-retardant layer is made of meta-aramid fabric material which does not need post-processing and finishing, has excellent flame-retardant property and self-extinguishing property in flame, can be widely applied to general fire-resistant flame-retardant occasions, and ensures the breathing safety of personnel to the greatest extent. The multi-layer functional material is integrated in a binding sewing mode, so that the mask has the characteristics of flame retardance, moisture resistance, peculiar smell removal, high-efficiency dust filtration, skin comfort and the like, can be applied to the real-time protection of operators in explosive production operation sites on the respiratory tract in sudden bombing moment, and is novel for the first time.

The flame-retardant moisture-conducting protective mask has attractive overall structure appearance, integrates multiple functions, can meet the daily functions of preventing haze, pollen and industrial dust, and has the functions of deodorizing, flame retardance, moisture resistance and ventilation. The flame-retardant aramid fiber outer layer material enables the mask to have excellent flame retardance, and has stronger use value in use places such as explosive production operation places and the like where sudden bombing is likely to occur; the unidirectional moisture-guiding skin-friendly layer is comfortable to adhere to, hot air and water vapor exhaled by a person can be rapidly discharged into the mask, moisture can be effectively absorbed and prevented, the problem of sultry when the wearer wears the mask is solved, and the glasses are prevented from being fogged due to the moisture and inconvenient for the wearer; the polyacrylonitrile active carbon fiber cloth of the odor filter layer has high nitrogen content, can well adsorb organic matters and harmful substances, has more micropores than active carbon powder, can be directly contacted with an adsorption medium, is not easy to pulverize, avoids secondary pollution, and has higher odor adsorption efficiency; meanwhile, due to the three-dimensional structural design, the respiratory resistance is effectively reduced, a large enough space is reserved for the mouth and the nose of a wearer, the unidirectional moisture-proof filter layer reduces hot air and moisture in the mask, the glasses are prevented from fogging, and the using effect and wearing comfort of personnel are guaranteed to the greatest extent. The processing technology is feasible and can be produced in batches.

Claims (6)

1. The flame-retardant moisture-proof protective mask is characterized by comprising a mask body (1), ear straps (2) and nose bridge strips (3); the mask body (1) sequentially comprises a flame retardant layer (4), an odor filter layer (5), a high-efficiency filter layer (6) and a moisture-proof ventilation layer (7) from outside to inside; the flame-retardant layer (4), the peculiar smell filtering layer (5), the high-efficiency filtering layer (6) and the moisture-proof ventilation layer (7) are respectively sewn and preformed by flame-retardant aramid sewing threads, and the edges of all the preformed layers are jointly sewn with the edging strips so as to be integrated, and the edging strips and the ear bands (2) are high-elasticity flame-retardant knitted strips; the ear belt (2) is connected to the left side and the right side of the mask body (1), and the nose bridge strip (3) is arranged between the edging strip and the flame-retardant layer at the middle position of the upper part.

2. The flame-retardant and moisture-proof protective mask according to claim 1, wherein the material of the flame-retardant layer (4) is a blend fabric of 170 g/square meter aramid 1313 fibers and conductive fibers.

3. A flame-retardant moisture-proof protective mask according to claim 1, characterized in that the material of the odor filter layer (5) is a single-layer polyacrylonitrile activated carbon fiber cloth.

4. The flame-retardant and moisture-proof protective mask according to claim 1, wherein the material of the efficient filter layer (6) is double-layer 25 g/square meter water-resident polypropylene melt-blown cloth.

5. The flame-retardant moisture-proof protective mask according to claim 1, wherein the material of the moisture-proof breathable layer (7) is 75 g/square meter three-dimensional needle drawing grid unidirectional moisture-conducting cloth, and the hydrophilic surface side of the moisture-proof breathable layer (7) faces the high-efficiency filter layer (6).

6. The flame-retardant and moisture-proof protective mask according to claim 1, wherein the nose bridge strip (3) is a 5mm wide double-core iron wire nose clip wire, the length is 9cm, and the two ends of the nose bridge strip (3) are designed with rounded corners.

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