CN212574209U

CN212574209U - Reusable mask

Info

Publication number: CN212574209U
Application number: CN202020812317.6U
Authority: CN
Inventors: 刘文亮
Original assignee: Hengshan County Jiacheng New Material Co ltd
Current assignee: Hengshan County Jiacheng New Material Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-02-23
Anticipated expiration: 2030-05-15

Abstract

The utility model provides a repeatedly usable's gauze mask, relates to medical protective articles technical field, and it includes the gauze mask body, sets up the bridge of the nose strip in the inboard top of gauze mask body and connects the ear area in gauze mask body both sides, the gauze mask body is by outer toward interior spunbond layer, the compound rete of PTFE micropore, antibiotic rete and the close skin layer of spunbond that link together through cross cutting die punching type or hot pressing or ultrasonic bonding fixed connection in proper order, the bridge of the nose strip adopts the aluminium strip to make. The utility model discloses not only can effectively play the effect that hinders fungus and disinfect, but also used repeatedly after the disinfection, solve the not enough problem of gauze mask supply to very big degree.

Description

Reusable mask

Technical Field

The utility model relates to the technical field of, especially, indicate a repeatedly usable's gauze mask.

Background

As the environmental pollution is becoming more serious, various viral infectious diseases are frequently occurring in human groups, and masks are increasingly used in order to deal with the air quality problem and the viral infectious disease problem.

The existing mask is usually in a disposable form and has a single functional effect, and mainly, the core material melt-blown cloth of the mask is based on the electrostatic adsorption principle, and the particles with the aperture smaller than 0.3 micron are adsorbed by static electricity, but the effect of the melt-blown cloth is easy to lose efficacy, and the mask needs to be replaced due to the fact that static electricity is decayed due to factors such as respiratory moisture, external ultraviolet rays and the like after being worn for a long time, so that the mask needs to be discarded and replaced with a new mask once every time the mask is used, and great waste is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a repeatedly usable's gauze mask not only can effectively play the effect that hinders fungus and disinfect, but also used repeatedly after the disinfection, solves the not enough problem of gauze mask supply to very big degree.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a repeatedly usable's gauze mask, includes the gauze mask body, sets up the bridge of the nose strip in the inboard top of gauze mask body and connects the ear area in gauze mask body both sides, the gauze mask body is by outer toward interior spin-bonded layer, the compound rete of PTFE micropore, antibiotic rete and the close skin layer of spunbond that link together through cross cutting die-punching type or hot pressing or ultrasonic bonding fixed connection, the bridge of the nose strip adopts the aluminium strip to make.

Preferably, the spun-bonded layer is made of PP cloth, non-woven cloth or polyester cloth.

More preferably, the outer surface of the spunbond layer is provided with a raised embossing and the inner surface of the spunbond layer is provided with a recessed embossing.

More preferably, the antibacterial film layer is made of non-woven fabric, terylene fabric or plant fiber fabric, and the surface of the antibacterial film layer is subjected to negative ion dip coating treatment to form a nanocrystalline negative oxygen ion layer.

More preferably, the ear straps are fixedly connected to both sides of the mask body by ultrasonic welding.

More preferably, the ear belt is sleeved with a rubber sleeve, the length of the rubber sleeve is 1/3 of the length of the ear belt, and the rubber sleeve can slide along the ear belt.

The beneficial effects of the utility model reside in that: the gauze mask that adopts the compound rete of PTFE micropore to replace melt-blown cloth to make is based on the physics separation principle, and particulate matter filtration efficiency and bacterium filtration efficiency all can reach more than 95%, and the gauze mask uses after once can be to disinfection such as its alcohol, high temperature reuse again, can not damage filtration performance, and the not enough of gauze mask supply when repeated use can reduce gauze mask raw and other materials cost to a great extent in the waste of great epidemic situation.

Drawings

Fig. 1 is a schematic view of the overall structure in embodiment 1 of the present invention;

FIG. 2 is a partial cross-sectional structural view of the mask body in example 1;

fig. 3 is a schematic view of the overall structure in embodiment 2 of the present invention.

The reference signs are:

1-mask body 1 a-spun-bonded layer 1 b-PTFE micropore composite membrane layer

1 c-antibacterial film layer 1 d-spun-bonded skin-friendly layer 2-nose bridge strip

3-ear belt 4-rubber sleeve.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, in the present disclosure, unless explicitly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature therebetween. 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 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 in describing the present invention and simplifying the description, but 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 thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1-2, a reusable mask, comprises a mask body 1, a nose bridge strip 2 arranged above the inner side of the mask body 1 and ear bands 3 connected to two sides of the mask body 1, wherein the mask body 1 comprises a spunbond layer 1a, a PTFE microporous composite film layer 1b, an antibacterial film layer 1c and a spunbond skin-friendly layer 1d which are fixedly connected together through die cutting punching or hot pressing or ultrasonic welding from outside to inside in sequence, and the nose bridge strip 2 is made of an aluminum strip.

The reusable mask provided by the above embodiment adopts the PTFE microporous composite film layer 1b instead of the meltblown fabric, based on the physical barrier principle, the diameter of the internal fiber can reach below 100 nanometers by utilizing the biaxial stretching technology, the diameter of the micropore is smaller than 200 nanometers, the particle size such as PM2.5 (2500 nanometers) in the air is far smaller, various particles larger than the pore size of the micropore, including bacteria, influenza virus (the diameter of the smallest bacteria and influenza virus is more than or equal to 0.5 micrometer) and the like can be almost completely blocked on the surface of the filter material, the filtering efficiency reaches above 99 percent, moreover, the PTFE micropore composite membrane layer 1b has the waterproof and breathable function, the condition of water vapor retention can not occur, the respiratory resistance is small, the wearing is more comfortable, and can also used repeatedly after disinfecting it, can not damage the filtration performance, reuse can reduce the waste of gauze mask raw and other materials cost and the not enough of gauze mask supply when the major epidemic situation appears to the very big degree many times.

Preferably, the PTFE microporous composite membrane layer 1b is a single layer structure with a weight of 25 g.

The spunbond layer 1a is preferably made of PP cloth, non-woven cloth or terylene cloth, and the spunbond layer 1a in this embodiment is preferably blue PP cloth with a weight of 50 g.

More preferably, the outer surface of the spunbond layer 1a is provided with a convex embossing, and the inner surface of the spunbond layer 1a is provided with a concave embossing, so as to distinguish the inner layer from the outer layer, and of course, different colors (the outer layer is dark and the inner layer is light) can be provided to distinguish the inner layer from the outer layer.

More preferably, the antibacterial film layer 1c is made of non-woven fabric, terylene fabric or plant fiber fabric, the surface of the antibacterial film layer 1c is formed into a nanocrystalline negative oxygen ion layer by negative ion dip coating, as will be appreciated by those skilled in the art, negative ion dip coating is a conventional technical means in the art, and in this embodiment, a nano silver material is specifically selected for negative ion dip coating, the nano silver has an effective sterilization effect, the negative oxygen ions released by the nano silver layer also have a bacteriostatic effect, the negative oxygen ions are beneficial to human health, so called "air vitamins", the antibacterial ratio to staphylococcus aureus, streptococcus albus and escherichia coli is greater than or equal to 95%, the antibacterial effect is achieved for a long time, the negative oxygen ion release amount around the mask can be maintained above 3000/cm, and because of being close to the PTFE microporous composite film layer 1b, the negative oxygen ions on the antibacterial film layer 1c have a large specific surface area effect and a better sterilization effect, wherein the antibacterial film layer 1c is preferably 50g of plant fiber cloth.

More preferably, the spun-bonded skin-friendly layer 1d may have its skin-friendly comfort determined by selecting fabrics of different grammage or softness, preferably 25g white PP fabric in this embodiment.

More preferably, the aluminum strip 2b of the nose bridge strip 2 has a size of 1mm thick, 4mm wide and 10mm long, and the nose bridge strip 2 may be internally or externally disposed on the upper portion of the mask body 1.

In addition, the ear straps 3 can be fixedly connected to the two sides of the mask body 1 by ultrasonic welding, and the ear straps can be made of elastic stretching materials, such as elastic ropes, and preferably have a diameter of 4 mm.

Example 2

As shown in fig. 3, the present embodiment is different from embodiment 1 only in that the ear band 3 is sleeved with the rubber sleeve 4, specifically, the length of the rubber sleeve 4 is 1/3 of the length of the ear band 3, the rubber sleeve 4 can slide along the ear band 3, after the rubber sleeve 4 slides to a proper position on the ear belt 3, the rubber sleeve 4 can be abutted against the ear when the ear belt 3 is tightly hung on the ear, thereby reducing the discomfort caused by tightening the ears for a long time, the rubber sleeve 4 is made of rubber with softer material, the rubber sleeve 4 can effectively play a role of buffering when the rubber sleeve is abutted against the back of the ear, on one hand, the rubber sleeve 4 is arranged in a movable mode, so that different users can conveniently adjust the rubber sleeve to a position suitable for the users to use, when the mask is worn tightly, the ear belt 3 is in a tensioning state, the rubber sleeve 4 cannot slide easily, better stability can be kept, and on the other hand, the rubber sleeve 4 is set to be long enough to save raw materials.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

In order to make it easier for those skilled in the art to understand the improvement of the present invention over the prior art, some drawings and descriptions of the present invention have been simplified, and in order to clarify, some other elements have been omitted from this document, those skilled in the art should recognize that these omitted elements may also constitute the content of the present invention.

Claims

1. The utility model provides a repeatedly usable's gauze mask, includes gauze mask body (1), sets up nose bridge strip (2) and the ear area (3) of connection in gauze mask body (1) both sides in gauze mask body (1) inboard top, its characterized in that: the mask body (1) comprises a spunbond layer (1 a), a PTFE micropore composite film layer (1 b), an antibacterial film layer (1 c) and a spunbond skin-friendly layer (1 d) which are fixedly connected together through die cutting punching or hot pressing or ultrasonic welding from outside to inside in sequence, and the nose bridge strip (2) is made of an aluminum strip.

2. The reusable mask of claim 1 wherein: the spun-bonded layer (1 a) is made of PP cloth, non-woven cloth or polyester fabric.

3. The reusable mask of claim 2 wherein: the outer surface of the spun-bonded layer (1 a) is provided with a convex embossing, and the inner surface of the spun-bonded layer (1 a) is provided with a concave embossing.

4. The reusable mask of claim 3 wherein: the antibacterial film layer (1 c) is made of non-woven fabric, polyester fabric or plant fiber fabric, and a nano-crystalline negative oxygen ion layer is formed on the surface of the antibacterial film layer (1 c) through negative ion dip-coating treatment.

5. The reusable mask of claim 1 wherein: the ear straps (3) are fixedly connected to the two sides of the mask body (1) through ultrasonic welding.

6. The reusable mask of claim 5 wherein: the ear belt (3) is sleeved with a rubber sleeve (4), the length of the rubber sleeve (4) is 1/3 of the length of the ear belt (3), and the rubber sleeve (4) can slide along the ear belt (3).