CN211910647U - Improved mask - Google Patents

Abstract

The utility model provides an improved mask, which comprises a mask body and ear hanging strips, wherein the ear hanging strips are respectively arranged at two side ends of the mask body; the gauze mask body constitutes for three layers of yardage roll layer, it is outer respectively, intermediate level and nexine, the outer nonwoven yardage roll of refusing water, the nexine is parent's skin nonwoven yardage roll, the intermediate level is the filter layer yardage roll, the gauze mask body passes through the folding setting of multilayer, inside vacuole formation, including the middle part folded layer, the second folded layer, the third folded layer, the end to end contact connection of third folded layer, the inboard of the end to end of third folded layer all is provided with airtight bed course, the outside of third folded layer is close to airtight bed course one end and all is provided with nose roof beam iron and steel strip, it is good to have barrier propterty, and is pleasing to the eye durable, expandability is strong, the characteristics that improvement cost is low, and is suitable for.

Description

Improved mask

Technical Field

The utility model relates to a medical product technical field particularly, relates to an improvement type gauze mask.

Background

With the spread of new coronary pneumonia in the whole country and even in the whole world, various medical equipment and medical resources are almost put into the fighting of the whole population, at the national level, the country urgently mobilizes the medical resources, the configuration maximization of the medical resources is realized, at the hospital level, medical staff and the hospital resources are coordinated, patients are timely and effectively treated, at the people level, each people needs to make own protective measures including measures of no going out, no aggregation, frequent washing, frequent disinfection and the like, and certainly, the most important is to wear a mask and make protective measures.

Mask resources are scarce in China and even in the whole world, especially the KN95 masks with better protection are difficult to be covered, and the existing mask production line is mostly the production line for producing medical masks, because most masks in the market are purchased by hospitals when epidemic situations do not occur, a plurality of mask manufacturers in the country are basically produced medical masks, the masks can protect the respiratory tract of people to a certain extent, but due to various defects, such as poor protection of an inner layer (a skin contact layer), easy pollution, secondary use prevention, disposable use prevention and poor sealing performance, air flow breathed by people can only be partially inhaled and exhaled from the front end of the masks, and can also be partially inhaled and exhaled from the periphery of the masks, the protection effect is further reduced, moreover, when the breath is exhaled from the periphery of the mask, the mask is particularly not friendly to people with myopia, the exhaled breath easily blurs the glasses, the glasses are very painful, the people cannot see anything clearly, the visual field is limited, and a good protection effect cannot be achieved; however, one production line of the most basic medical care masks is the purchase cost of thirty-four hundred thousand, so that a lot of novel masks in the prior art need to be produced, a new production line is probably needed to be introduced, the cost is too high, the good expandability is not realized, and the transformation cost is not borne by common enterprises; in addition, the folding modes of the medical care mask in the prior art are common folding, namely simple back-and-forth folding, so that the function of the stretchable width of the mask is realized; however, the folding mode hardly has protection to the inner layer of the mask, so that the continuous use of the mask is not high, and the mask can be used only once basically. Therefore, it is necessary to provide an improved mask with good protection performance, good appearance, good practicability, high expandability and low improvement cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improvement type gauze mask, it can be directed against in the not enough of prior art, proposes the solution, and it is good to have barrier propterty, and is pleasing to the eye practical, and scalability is strong, and the characteristics that the improvement is with low costs are applicable to medical product technical field, also the specially adapted gauze mask technical field.

The embodiment of the utility model is realized like this:

an improved mask comprises a mask body and ear hanging strips, wherein the ear hanging strips are respectively arranged at two side ends of the mask body; the mask body is composed of three fabric roll layers, namely an outer layer, an intermediate layer and an inner layer, wherein the outer layer is a water-repellent non-woven fabric roll, the inner layer is a skin-friendly non-woven fabric roll, the intermediate layer is a filter layer fabric roll, the mask body is arranged through the multiple fabric rolls, the outer layer is a water-repellent non-woven fabric roll, the intermediate layer is a filter layer fabric roll, and the inner layer is a skin-friendly non-woven fabric roll; when the breathing masks with different protection standards are produced at the waist, the production of the breathing masks with different protection grades can be realized by replacing the filter layer cloth rolls of the middle layer, then matching the hot pressing process and the folding process of the breathing masks, the breathing masks are folded in multiple layers, a cavity is formed inside the breathing masks, the cavity comprises a middle folding layer, a second folding layer and a third folding layer, the head and the tail ends of the third folding layer are in contact connection, so that the inner layer of the breathing masks can be protected, the breathing masks can be stretched left and right after the breathing masks are worn, the folding traces are restored, the inner layers of the contact noses are automatically folded at the innermost side, the cleanness inside of the breathing masks is ensured, the airtight cushion layers are arranged on the inner sides of the head and the tail ends of the third folding layer, the airtightness of the breathing masks can be better realized, and the air exchange of most breathing gases from the breathing masks is ensured, therefore, the air breathed by a user can be filtered by the mask, the using effect of the mask is improved, good air tightness is guaranteed, and meanwhile, the mask is suitable for more mask wearing groups, particularly users wearing glasses, the common mask is not good in air tightness, the exhaled air can easily blur the glasses, the mask is very painful, the user cannot see anything clearly, the visual field is limited, and the mask is also a big pain point; the outside of third folded layer is close to airtight bed course one end and all is provided with nose bridge iron and steel strip, and nose bridge iron and steel strip turns over through the parent's skin non-woven fabric book of nexine, wraps up in nose bridge iron and steel strip, then through hot briquetting, fixes near the head and the tail end of third folded layer with the nose bridge iron and steel, through setting up nose bridge iron and steel strip, when can be convenient for the gauze mask wears, stereotypes fixedly for the human face of laminating more of gauze mask body improves airtight effect.

The utility model discloses an in some embodiments, above-mentioned middle part folded layer is the middle part folded layer that the hot pressing formed, and the middle part folded layer that so sets up is through hot briquetting for the middle part folded layer possesses certain hardness, also comparatively levels, can not carry out great deformation because wearing of gauze mask, consequently, can be provided with LOGO on the middle part folded layer, perhaps exquisite pattern, perhaps cartoon animation, perhaps multiple color etc. improve the aesthetic property of gauze mask.

In some embodiments of the present invention, a reinforcing layer is disposed on the middle folding layer, and the reinforcing layer is made of PVC material. If want on middle part folded layer setting up other structure, for example breather valve etc. then need strengthen middle part folded layer once more, here we generally adopt the reinforced method of PVC, and on the one hand the technology is mature, and general gauze mask production line just can realize, and the second is consolidated effectually, can satisfy and carry out the reinforced requirement on the gauze mask.

The utility model discloses an in some embodiments, be provided with the air outlet valve on the above-mentioned back up coat, the air outlet valve is flexible air outlet valve. Because the utility model discloses a production line is based on the production line of medical gauze mask, consequently, if will install the air outlet valve additional, flexible air outlet valve relatively suitable with the utility model discloses the gauze mask body, the reliability and the stability of connecting each other can both obtain certain assurance.

In some embodiments of the present invention, the width of the middle folded layer is 2.2cm to 2.8 cm. The width setting of middle part folded layer can not occupy the width of gauze mask body too much, through a large amount of experiments, it is more suitable at 2.2cm-2.8cm to finally obtain its width, can enough guarantee to be provided with LOGO on the folded layer of middle part, perhaps exquisite pattern, perhaps cartoon animation, perhaps multiple color etc., can also be unlikely to influence the reasonable tensile properties of gauze mask width (the folded layer of middle part is formed or carries out PVC reinforcement through the hot pressing, can not carry out the drawing of gauze mask width basically), avoid influencing gauze mask coverability.

In some embodiments of the present invention, the length of the mask body is 18-22 cm. The length of the mask body is mainly determined according to a production line and a using group of actual masks, and as the medical masks are generally used by adults, the length of the mask body is 18-22cm, which is suitable for the comprehensive covering, and the mask body can be divided into large, medium and small masks with different specifications according to different lengths so as to be suitable for more specific applicable groups.

In some embodiments of the present invention, the edge of the head and the tail of the third folding layer is provided with a cutting hole. In the actual mask production line, in the scale of mask production, all will refuse water non-woven fabric roll, the filter layer yardage roll, parent's skin non-woven fabric roll three-layer is good in proper order the stack, send into the production line and carry out hot pressing design and banding, because the last raw materials layer of production line (refuse water non-woven fabric roll, the filter layer yardage roll, for parent's skin non-woven fabric roll), all stack in large tracts of land is unified, in concrete production, just need tailor it, consequently, be provided with at the edge of the head and the tail end of third folded layer and tailor the hole, conveniently tailor whole big mask layer into solitary mask.

In some embodiments of the present invention, the above-mentioned cutting hole site arc dog-ear hole, four arc dog-ear holes constitute a round-corner rectangular hole, the length of the round-corner rectangular hole is 1.8cm-2.0cm, and the width is 0.4cm-0.6 cm. In practice, all adopt fillet rectangular hole to tailor and punch in the production line, in case the back is cut out to the sanction, will form arc dog-ear hole on four corners of the third folded layer of gauze mask body.

In some embodiments of the present invention, the airtight cushion layer is a sponge cushion layer, and the width of the sponge cushion layer is 1.2cm to 1.6 cm. Sponge seal cushion has the texture soft, and is sealed effectual, and itself possesses certain ductility, is applicable to very much the utility model discloses a sealed setting. It should be noted that the length of the sponge sealing cushion layer is consistent with the length of the mask body.

In some embodiments of the utility model, the length of above-mentioned nose bridge iron and steel strip is 10cm-12cm, and the width is 0.4cm-0.6cm, and the position of setting up at bridge of the nose iron and steel strip is at gauze mask body position placed in the middle, and length adoption is generally 1/2-2/3 of gauze mask length, the nose bridge iron and steel strip is 0.5cm to the distance of the head and the tail end of third folded layer, because the nose bridge iron and steel strip is fixed the parcel through turning over of nexine, then hot briquetting, consequently, the nose bridge iron and the end edge of third folded layer have certain distance.

The embodiment of the utility model provides an at least, have following advantage or beneficial effect:

the utility model has the advantages of first effect, good protection performance, the utility model is composed of three cloth roll layers which are respectively an outer layer, a middle layer and an inner layer, the outer layer is a water repellent non-woven cloth roll, the inner layer is a skin-friendly non-woven cloth roll, the middle layer is a filter layer cloth roll, the head and the tail ends of the third folding layer are in contact connection, the inner sides of the head and the tail ends of the third folding layer are respectively provided with an airtight cushion layer, the outer side of the third folding layer is provided with a nose bridge steel strip near one end of the airtight cushion layer, the inner part of the mask body is provided with a cavity by utilizing the multi-layer folding of the mask body, the middle folding layer, the second folding layer and the third folding layer can protect the inner layer of the mask body, if the mask has secondary use requirements after the mask is worn, the mask can be stretched leftwards and rightwards, the folding trace is the resetting position, the inner layer of the contact nose is automatically folded, the inboard of the head and the tail end of third folded layer all is provided with airtight bed course, the setting of airtight bed course, the gas tightness of realization gauze mask that can be better, guarantee that most breathing gas all carries out the air exchange from the gauze mask body to guarantee that the respiratory air of user can pass through the filtration of gauze mask, improve the protecting effect of gauze mask and see, consequently, it is sealed effectual, and carried out better protection to the nexine, barrier propterty is good, can realize repetitious usage.

The utility model has the advantages of two effects, attractive appearance and practicability, the utility model discloses an utilize the multilayer folding of gauze mask body to set up inside and form the cavity, including middle part folded layer, second folded layer, third folded layer, can protect the nexine of gauze mask body, and the middle part folded layer is the middle part folded layer that hot pressing formed, or the middle part folded layer that carries out reinforcement processing through PVC, be provided with LOGO on the middle part folded layer, or exquisite pattern, or cartoon animation, or multiple colors etc. improve the aesthetic property of gauze mask, or be provided with the air outlet valve on the PVC reinforced layer, make the gas of exhalation can concentrate the emission, avoid exhaling the gas to cause the impact to the sealed of gauze mask edge to a certain extent, indirectly protected the utility model gas tightness; simultaneously because the multilayer of adoption is folding, inside cavity is provided with airtight bed course, and the leakproofness is better, then the exhalation gas can not flow from both sides about the gauze mask basically, consequently, to the user of myopia, can not cause the glasses atomizing, causes the field of vision to be restricted, influences normal work and life, and is more practical.

The mask body with three layers is arranged, the mask body respectively comprises an outer-layer water-repellent non-woven fabric roll, the inner layer is a skin-friendly non-woven fabric roll, the middle layer is a filter layer fabric roll, and the mask body can realize the production of masks meeting different standards by changing and replacing different materials of the filter layer fabric roll, and has better expansibility; and through the utility model discloses a gauze mask folding method and mode, the multilayer folding of utilizing the gauze mask body sets up inside vacuole formation, including the middle part folded layer, the second folded layer, the third folded layer, can protect the nexine of gauze mask body, should fold to accomplish on the production line, only need to the folding part of original production line, carry out the adjustment of technique, change slightly and folding order of parameter set down can, no matter change different filter layer yardage rolls, satisfy different gauze mask standards, still change the folding mode of gauze mask, reach and protect the gauze mask nexine, all need not purchase new production line in addition, only need change slightly on the production line of original medical class gauze mask, make the utility model discloses a production possesses better expansibility.

The utility model has the advantages that the effect is four, the improvement cost is low, the utility model is also provided with the mask body and the ear hanging strips, and the ear hanging strips are respectively arranged at the two side ends of the mask body; the mask body is composed of three cloth roll layers, namely an outer layer, a middle layer and an inner layer, the outer layer is a water repellent non-woven fabric roll, the outer layer is a skin-friendly non-woven fabric roll, the middle layer is a filter layer cloth roll, the mask body is arranged in a multi-layer folding mode, a cavity is formed inside the mask body and comprises a middle folding layer, a second folding layer and a third folding layer, the head end and the tail end of the third folding layer are in contact connection, airtight cushion layers are arranged on the inner sides of the head end and the tail end of the third folding layer, one end, close to the airtight cushion layers, of the outer side of the third folding layer is provided with nose bridge steel iron strips, the airtight cushion layers are added, the production line of the original medical care type masks is directly produced, the production line is not required to be greatly changed or a new production line is introduced, and for the production of the improved type mask, higher modification cost is not needed, and the condition of the near, the subsequent type that can also be according to actual conditions (after the epidemic situation, the type gauze mask demand greatly reduced of doctorsing and nurses), change the production gauze mask, only need change different filter layers can, can produce N95 standard type gauze mask, also can produce sand prevention gauze mask, prevent granule gauze mask, carry out the purification of certain degree (such as filter layer increase activated carbon layer etc.) to the air, it is not high to reform transform the cost, be applicable to and use widely in the field, the cost barrier that does not have the popularization, very be suitable for present gauze mask technical field.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic front view of embodiment 1 of the present invention;

fig. 2 is a schematic rear view of an embodiment of the present invention;

fig. 3 is a schematic front view of embodiment 2 of the present invention;

FIG. 4 is a schematic view of the embodiment of the present invention shown in FIG. 1A-A;

fig. 5 is a schematic view of fig. 3B-B according to an embodiment of the present invention;

fig. 6 is a schematic view of the internal structure of the mask body according to the embodiment of the present invention;

fig. 7 is a schematic front view of embodiment 3 of the present invention;

fig. 8 is a schematic view of the embodiment of the present invention shown in fig. 7C-C.

Icon: 1-a mask body, 2-a hanging strip, 3-a water-repellent non-woven fabric roll, 4-a filter layer fabric roll, 5-a skin-friendly non-woven fabric roll, 6-a middle folded layer, 7-a second folded layer, 8-a third folded layer, 9-an auxiliary folded layer, 10-an airtight cushion layer, 11-a nose bridge steel strip, 12-a cutting hole, 13-an air outlet valve and 14-a reinforcing layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically 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.

Example 1

Referring to fig. 1, 2, 4 and 6, and particularly to fig. 1, 2, 4 and 6, the present embodiment provides an improved mask, which includes a mask body 1 and ear straps 2, wherein the ear straps 2 are respectively disposed at two side ends of the mask body 1; the mask body 1 is composed of three fabric roll layers, namely an outer layer, an intermediate layer and an inner layer, wherein the outer layer is a water-repellent non-woven fabric roll 3, the inner layer is a skin-friendly non-woven fabric roll 5, the intermediate layer is a filter layer fabric roll 4, the mask body 1 is arranged through the multiple fabric rolls, the outer layer is the water-repellent non-woven fabric roll 3, the intermediate layer is the filter layer fabric roll 4, and the inner layer is the skin-friendly non-woven fabric roll 5; when the masks with different protection standards are to be produced, the filter layer cloth roll 4 of the middle layer is replaced, the hot pressing process is matched, and the folding process of the masks is matched, so that the masks with different protection grades can be produced, the mask body 1 is arranged in a multi-layer folding mode, a cavity is formed inside the mask body and comprises a middle folding layer 6, a second folding layer 7, a third folding layer 8 and a head-tail end contact connection of the third folding layer 8, the head-tail end contact connection of the third folding layer 8 can protect the inner layer of the mask body 1, if the mask is worn, the mask can be stretched left and right, the folding trace is restored, the inner layer contacting with the nose is automatically folded at the innermost side, the cleanness inside of the mask is ensured, the airtight cushion layers 10 are arranged on the inner sides of the head-tail ends of the third folding layer 8, and the airtightness of the mask can be better realized due to the arrangement of the airtight cushion layers 10, the mask ensures that most of breathing gas is exchanged from the mask body 1, so that the air breathed by a user can be filtered by the mask, the using effect of the mask is improved, good air tightness is ensured, and meanwhile, the mask is also suitable for more mask wearing groups, particularly users wearing glasses, wearing common masks are not good in air tightness, the exhaled air can easily blur the glasses, the mask is very painful, the user cannot see anything clearly, the visual field is limited, and the mask is also a big pain point of the mask; the outside of third folded layer 8 is close to airtight bed course 10 one end and all is provided with nose bridge iron and steel strip 11, nose bridge iron and steel strip 11 is rolled up 5 through the close skin non-woven fabrics of nexine and turns over, including nose bridge iron and steel strip 11 parcel, then through hot briquetting, fix the nose bridge iron and steel near the head and the tail end of third folded layer 8, through setting up nose bridge iron and steel strip 11, when the gauze mask of can being convenient for is worn, it is fixed to stereotype, make gauze mask body 1 human face of laminating more, improve airtight effect.

The specific folding manner of this embodiment: the machine carries out folding operation to gauze roll strip of gauze mask to 2.5cm placed in the middle do not do folding as middle part folded layer 6, and at middle part folded layer 6 edge, the gauze roll strip both sides are turned over 1cm inwards, then extend 2cm outwards respectively, as the second folded layer 7. And then the folded layer is folded inwards by 1cm and then extended outwards by 1cm to form a third folded layer 8. The part behind the third fold 8 is folded inwards up to 3cm of the edge of the mask cloth strip. After pressing, a 4.5cm wide strip of the mask was formed.

It is required to explain very much the utility model provides an among the implementation mode, above-mentioned middle part folded layer 6 is middle part folded layer 6 that the hot pressing formed, the middle part folded layer 6 that so sets up, through hot briquetting for middle part folded layer 6 possesses certain hardness, also comparatively levels, can not carry out great deformation because of wearing of gauze mask, consequently, can be provided with LOGO on middle part folded layer 6, perhaps exquisite pattern, perhaps cartoon animation, perhaps multiple color etc. improves the aesthetic property of gauze mask.

In one embodiment of the new embodiment, the width of the middle fold 6 is 2.5 cm. The width setting of middle part folded layer 6 can not occupy the width of gauze mask body too much, through a large amount of experiments, it is more suitable at 2.2cm-2.8cm to finally obtain its width, can enough guarantee to be provided with LOGO on middle part folded layer 6, perhaps exquisite pattern, perhaps cartoon animation, perhaps multiple color etc., can also be unlikely to influence the reasonable tensile properties of gauze mask width (middle part folded layer 6 is formed or carries out PVC reinforcement through the hot pressing, can not carry out the drawing of gauze mask width basically), avoid influencing gauze mask coverability. The width of the middle fold 6 in this example was set to 2.5 cm.

In an embodiment of the present invention, the length of the mask body 1 is 20 cm. The length of the mask body 1 is mainly determined according to production lines and actual mask use groups, and since the medical care masks are generally used by adults, the length of the mask body 1 is 18-22cm suitable for comprehensive consideration for covering, and the mask can be divided into large, medium and small masks with different specifications according to different lengths so as to be suitable for more specific applicable people. The length of the mask body 1 of the embodiment is 20cm, and cutting holes 12 are further formed in four corners of the mask body 1 before being folded. The cutting hole 12 has a radius of 1cm, so that the length of the upper and lower edges of the mask body 1 is 18 cm.

In an embodiment of the present invention, the edge of the head and tail ends of the third folding layer 8 is provided with a cutting hole 12. In actual gauze mask production line, in the scale of gauze mask production, all refuse water non-woven fabric book 3, filter layer yardage roll 4, 5 three-layer backs of parent's skin non-woven fabric book are folded in proper order, send into the production line and carry out hot pressing design and banding, because the last raw materials layer of production line (refuse water non-woven fabric book 3, filter layer yardage roll 4, for parent's skin non-woven fabric book 5), all the large tracts of land is unified to be stacked, in concrete production, just need tailor it, consequently, the edge at the head and the tail end of third folded layer is provided with tailors hole 12 (also be exactly four corners before the gauze mask body is unfolded), conveniently tailor into solitary gauze mask with whole big gauze mask layer.

The utility model discloses in an embodiment of the embodiment, above-mentioned hole 12 of tailorring is arc dog-ear hole, and four arc dog-ear holes constitute a fillet rectangular hole, and the length in fillet rectangular hole is 2.0cm, and the width is 0.5 cm. In practice, all adopt fillet rectangular hole to tailor and punch in the production line, in case the back is cut out to the sanction, will form arc dog-ear hole on four corners of the third folded layer 8 of gauze mask body. The rounded rectangular hole of this example has a length of 2.0cm and a width of 0.5 cm.

In an embodiment of the present invention, the airtight pad 10 is a sponge-sealed pad, and the width of the sponge-sealed pad is 1.5 cm. Sponge seal cushion has the texture soft, and is sealed effectual, and itself possesses certain ductility, sets up width 1.2cm-1.6cm, is applicable to very much the utility model discloses a sealed setting. It should be noted that the length of the sponge sealing cushion layer is consistent with the length of the mask body. The width of the airtight pad 10 of the present embodiment is set to 1.5 cm.

The utility model discloses in an embodiment of the embodiment, above-mentioned nose bridge iron and steel strip 11's length is 10cm, the width is 0.5cm, set up position at nose bridge iron and steel strip 11 at gauze mask body position placed in the middle, length adopts 1/2-2/3 that generally is gauze mask length, nose bridge iron and steel strip 11 is 0.5cm to the distance of the end of third folded layer 8, because nose bridge iron and steel strip 11 is the book of turning over through the nexine and fixes the parcel, then hot briquetting, consequently, nose bridge iron and steel strip 11 and third folded layer 8's end to end edge has certain distance. In the embodiment, the length of the nose bridge steel bar 11 is 10cm, and the width is 0.5 cm.

Example 2

Referring to fig. 2, 3, 5 and 6, the technical solution of the present embodiment can be obtained, which is basically completely the same as the technical solution of embodiment 1, and the technical features are the reinforcing manner of the middle folded layer 6, and the additional arrangement of the air outlet valve 13, and the air outlet valve 13 is a flexible air outlet valve.

In an implementation manner of the embodiment of the present invention, a reinforcing layer 14 is disposed on the middle folded layer 6, and the reinforcing layer 14 is a reinforcing layer 14 made of PVC material. If other structures such as a breather valve are arranged on the middle folded layer 6, the middle folded layer 6 needs to be reinforced again, a PVC reinforcing method is generally adopted, on one hand, the technology is mature, a general mask production line can realize, the second reinforcing effect is good, and the requirement of reinforcing on the mask can be met. The PVC reinforcing layer 14 may be a PVC layer with air holes.

The utility model provides an in the implementation of the embodiment, be provided with air outlet valve 13 on the above-mentioned back up coat 14, air outlet valve 13 is flexible air outlet valve. Because the utility model discloses a production line is based on the production line of medical gauze mask, consequently, if will install the air outlet valve additional, flexible air outlet valve relatively suitable with the utility model discloses the gauze mask body, the reliability and the stability of connecting each other can both obtain certain assurance.

The folding mode of this embodiment is completely the same as that of embodiment 1, and is symmetrical folding, and the specific folding mode is as follows: the machine carries out folding operation to gauze roll strip of gauze mask to 2.5cm placed in the middle do not do folding as middle part folded layer 6, and at middle part folded layer 6 edge, the gauze roll strip both sides are turned over 1cm inwards, then extend 2cm outwards respectively, as the second folded layer 7. And then the folded layer is folded inwards by 1cm and then extended outwards by 1cm to form a third folded layer 8. The part behind the third fold 8 is folded inwards up to 3cm of the edge of the mask cloth strip. After pressing, a 4.5cm wide strip of the mask was formed.

The rest of the technical solutions of embodiment 2 are the same as embodiment 1, and are not described herein again.

Example 3

Referring to fig. 2, 6, 7 and 8, the technical solution of the present embodiment is basically the same as that of embodiment 1 or embodiment 2, and the difference technical features are: the difference of the folding method, the folding method of this embodiment is based on the previous embodiment, the upper half folding layer of the third folding layer 8 is folded once again to the outside to form an auxiliary folding layer 9, and the auxiliary folding layer 9 and the middle folding layer 6 are in the same plane;

the asymmetric folding method of the present embodiment: the machine carries out folding operation to gauze roll strip of gauze mask to 2.5cm placed in the middle do not do folding as middle part folded layer 6, and at middle part folded layer 6 edge, the gauze roll strip both sides are turned over 1cm inwards, then extend 2cm outwards respectively, as the second folded layer 7. Then the lower half part of the second folded layer 7 is folded inwards by 1cm and then extends outwards by 1cm to serve as the lower half part (tail end) of a third folded layer 8; the first half of the second folded layer 7 is turned to the outside by 1cm, and is turned to the inside again to form an auxiliary folded layer 9, the lower end of the auxiliary folded layer 9 is directly connected with the head end to form the first half of the third folded layer 8, and the auxiliary folded layer 9 can be pushed open by the nose of a user when being worn, so that the appearance is good, and the whole body is more harmonious. This is merely an example of one of the asymmetric folding methods.

The remaining technical solutions of embodiment 3 are the same as those of embodiment 1 or embodiment 2, and are not described herein again.

The embodiment of the utility model provides a principle is implemented in the work: when the utility model is needed to be used, the user slightly stretches the outer end of the hand of the third folding layer by hand, covers the mouth and the nose, then fixes the utility model on the face by using the ear hook, and seals the mouth by using the airtight cushion layer to ensure the sealing performance; when the mask needs to be detached and has a chance for secondary use, the mask can be stretched left and right, the folding mark is restored, the inner layer contacting with the mouth and the nose is automatically folded to the innermost side, the cleanness of the interior of the mask is guaranteed, and the cleanness and the sanitation of the mask in the next wearing are guaranteed.

The production process and the method of the utility model are as follows:

1. the inner layer of the mask contacting with mouth and nose is made of skin-friendly non-woven fabric, and the width of the cloth roll is 20 cm.

2. The mask middle layer is made of KN99 or KN95 grade or common medical shell mask middle layer materials according to requirements. An active carbon filter layer can be added according to the requirement, and the width of the cloth roll is 18.5 cm.

3. The outer layer of the mask is made of water-repellent non-woven fabric or a silver ion antibacterial layer according to needs, and the width of a cloth roll is 18.5 cm.

4. When the mask is manufactured, three or more layers of cloth rolls are superposed in the middle and sent into a machine, and two sides of the inner layer of cloth roll can respectively increase by 1.5 cm.

5. Firstly, a machine is used for smoothing a gauze mask cloth layer, and hot pressing and stitching are carried out by using a hot pressing roller with the width of 2.5cm by taking the middle of the cloth as a reference. The hot press roller pattern can be changed as desired, but the width is required to be 2.5 cm.

6. If need use the PVC reinforcing strip that has the fillet rectangular hole to do the decoration or increase the air outlet valve during the preparation, need use 2.5 cm's PVC strip to use the centre of gauze mask cloth rolling up the strip as the benchmark and carry out the pressfitting at the gauze mask skin with 2.5 cm's width, need the air outlet valve, press the hole and the edge in pressfitting hole in the position of air outlet valve.

7. 1.5cm that gauze mask cloth rolled strip inlayer was gone out more, both sides all need upwards to turn over, cover the skin, and wherein one side of gauze mask cloth rolled strip is as the direct hot pressing of base and sews up, and the another side is as the top edge and impresses 10cm long between two parties, and 5mm wide bridge of the nose billet back hot pressing is sewed up.

8. When the hot pressing is sewed up, can paste the sponge filler strip of width 1.5cm as required at two edges about the gauze mask nexine to increase the gas tightness when wearing. The nose bridge steel bars need to be 5mm from the edge.

9. When the hot pressing is sewed, two edges of the mask cloth roll strip are pressed out of a fillet rectangular hole with the length of 2cm and the width of 5mm every 18cm, and the fillet rectangular hole needs to be tightly attached to the edge of the mask cloth roll strip. To act as a spacer for each mask, the centrally pressed nose bridge bar should be in the middle of the two rounded rectangular holes.

10. The production line machine performs the folding operation of the strip of mask cloth, the folding method, the symmetrical folding method according to examples 1 and 2, and the asymmetrical folding method according to example 3, selected according to the actual conditions.

11. The machine performs a cutting and edge pressing operation, according to which a 2cm long rounded rectangular hole has been pressed out every 18cm at 9 steps. The fillet rectangle hole has four to tailor the hole and constitutes, and the machine needs carry out hot pressing gauze mask edge with 2cm wide in length 2 cm's fillet rectangle hole position to tailor at its intermediate position. Cutting to obtain a mask strip with a length of 20cm and a width of 4.5 cm.

12. When the edge is hot-pressed, the telescopic ear hanging strip is hot-pressed, and a head-wearing hook can be added according to the requirement.

At this time, one mask is manufactured. When the mask is worn, the mask needs to be pulled open and then worn. And finally, pinching the nose bridge strip.

To sum up, the utility model discloses a set up the gauze mask body and constitute for three layers of yardage roll layers, the skin is respectively outer, intermediate level and nexine, the skin is for water repellent non-woven yardage roll, the nexine is close skin non-woven yardage roll, the intermediate level is the filter layer yardage roll, the end contact connection of third folded layer, the inboard of the end of third folded layer all is provided with airtight bed course, the outside of third folded layer is close to airtight bed course one end all and is provided with the scheme of nose roof beam steel bar, utilize the multilayer folding setting of gauze mask body inside to form the cavity, including middle part folded layer, second folded layer, third folded layer, can protect the nexine of gauze mask body, if there is the secondary user demand after the gauze mask finishes wearing, can stretch gauze mask about, the folding vestige is the recovery, the nexine of contact mouth nose is folded at the most inside automatically, guaranteed the inside cleanness of gauze mask, the inboard of the end of third folded layer all is provided, the setting of airtight bed course, the gas tightness of realization gauze mask that can be better guarantees that most breathing gas all carries out the air exchange from the gauze mask body to guarantee that the respiratory air of user can pass through the filtration of gauze mask, improve the protecting effect of gauze mask and see, consequently, sealed effectual to and carried out better protection to the nexine, the barrier propterty is good, can realize repetitious usage. The utility model discloses an utilize the multilayer folding of gauze mask body to set up inside vacuole formation, including middle part folded layer, second folded layer, third folded layer, can protect the nexine of gauze mask body, and the middle part folded layer is the middle part folded layer that hot pressing formed, or the middle part folded layer that carries out reinforcement processing through PVC, be provided with LOGO on the middle part folded layer, or exquisite pattern, or cartoon animation, or multiple color etc. improve the aesthetic property of gauze mask, or be provided with the air outlet valve on the PVC reinforced layer, make the gas of exhalation can concentrate the emission, avoid exhaling the gas to cause the impact to the sealed of gauze mask edge to a certain extent, indirectly protected the utility model discloses the gas tightness; simultaneously because the multilayer of adoption is folding, inside cavity is provided with airtight bed course, and the leakproofness is better, then the exhalation gas can not flow from both sides about the gauze mask basically, consequently, to the user of myopia, can not cause the glasses atomizing, causes the field of vision to be restricted, influences normal work and life, and is more practical. The utility model has the advantages that the three-layer mask body is arranged and comprises the outer water repellent non-woven fabric roll, the inner layer is the skin-friendly non-woven fabric roll, the middle layer is the filter layer fabric roll, the production of the mask meeting different standards can be realized by changing and replacing different materials of the filter layer fabric roll, and the mask has better expansibility; and through the utility model discloses a gauze mask folding method and mode, the multilayer folding of utilizing the gauze mask body sets up inside vacuole formation, including the middle part folded layer, the second folded layer, the third folded layer, can protect the nexine of gauze mask body, should fold to accomplish on the production line, only need to the folding part of original production line, carry out the adjustment of technique, change slightly and folding order of parameter set down can, no matter change different filter layer yardage rolls, satisfy different gauze mask standards, still change the folding mode of gauze mask, reach and protect the gauze mask nexine, all need not purchase new production line in addition, only need change slightly on the production line of original medical class gauze mask, make the utility model discloses a production possesses better expansibility. The utility model is also provided with the mask body and the ear hanging strips, and the ear hanging strips are respectively arranged at the two side ends of the mask body; the mask body is composed of three cloth roll layers which are respectively an outer layer, a middle layer and an inner layer, the outer layer is a water repellent non-woven fabric roll, the outer layer is a skin-friendly non-woven fabric roll, the middle layer is a filter layer cloth roll, the mask body is arranged in a multi-layer folding way, a cavity is formed inside the mask body, the mask body comprises a middle folding layer, a second folding layer and a third folding layer, the head end and the tail end of the third folding layer are in contact connection, airtight cushion layers are arranged on the inner sides of the head end and the tail end of the third folding layer, nose bridge steel iron strips are arranged at one end, close to the airtight cushion layers, of the outer side of the third folding layer, the airtight cushion layers are added, the mask is directly produced on the production line of the original medical care type mask, the production line is not required to be greatly changed or a new production line is introduced, for the production of the improved type mask, higher transformation cost is not needed, the rare condition, medical care type mask demand greatly reduced), change the type of production gauze mask, only need change different filter layers can, can produce N95 standard type gauze mask, also can produce sand prevention gauze mask, prevent granule gauze mask, carry out the purification of certain degree (like the filter layer increases activated carbon layer etc.) to the air, it is not high to reform transform the cost, is applicable to and uses widely in this field, does not have the cost barrier of popularization, very is suitable for present gauze mask technical field.

To sum up, the embodiment of the utility model provides an improvement type gauze mask, it can be directed against in the not enough of prior art, proposes the solution, and it is good to have a barrier propterty, and pleasing to the eye practicality, and scalability is strong, and the characteristics that the improvement is with low costs are applicable to medical product technical field, also the specially adapted gauze mask technical field.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An improved mask is characterized by comprising a mask body and ear hanging strips, wherein the ear hanging strips are respectively arranged at two side ends of the mask body; the utility model discloses a respirator, including gauze mask body, middle part folded layer, third folded layer, the gauze mask body is three-layer cloth roll layer constitution, is outer respectively, intermediate level and nexine, the outer non-woven fabric roll of refusing water, the nexine is parent's skin non-woven fabric roll, the intermediate level is the filter layer yardage roll, the gauze mask body passes through the folding setting of multilayer, and inside vacuole formation, including middle part folded layer, second folded layer, third folded layer, the end to end contact of third folded layer is connected, the inboard of the end to end of third folded layer all is provided with airtight bed course, the outside of third folded layer is close to airtight bed course one end and all is provided with.

2. The improved mask of claim 1 wherein said middle fold is a hot-pressed middle fold.

3. The improved mask of claim 1 wherein a reinforcing layer is provided on said middle fold, said reinforcing layer being a reinforcing layer of PVC material.

4. The improved mask of claim 3 wherein said reinforcing layer is provided with an air outlet valve, said air outlet valve being a flexible air outlet valve.

5. The improved respirator of claim 1 wherein the width of the central fold is 2.2cm to 2.8 cm.

6. The improved mask of claim 1 wherein said mask body has a length of 18cm to 22 cm.

7. The improved mask of claim 1 wherein the edges of the head and tail ends of the third folded layer are provided with cut holes.

8. The improved mask according to claim 7, wherein said cutting holes are arc-shaped corner holes, four of said arc-shaped corner holes form a round-corner rectangular hole, and said round-corner rectangular hole has a length of 1.8cm to 2.0cm and a width of 0.4cm to 0.6 cm.

9. The improved mask according to claim 1, wherein the airtight pad is a sponge cushion, and the width of the sponge cushion is 1.2cm to 1.6 cm.

10. The improved mask according to any one of claims 1 to 9 wherein the length of the nose bridge steel strip is 10cm to 12cm, the width of the nose bridge steel strip is 0.4cm to 0.6cm, and the distance from the nose bridge steel strip to the head end and the tail end of the third fold is 0.5 cm.

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