CN208002140U - A kind of foldable mask - Google Patents

Abstract

The application provides a foldable mask. The mask includes: a mask main body; a composite cloth, the composite cloth is joined with the edge of the mask main body to form an inner cavity of the mask; the composite cloth includes an air-impermeable resin layer and at least one matrix material layer, and the At least one base material layer fits the face of the user; the opening and closing bracket, the opening and closing bracket is arranged in the inner cavity of the mask, its shape is adapted to the inner cavity of the mask, and can drive the mask The main body closes and opens the main body of the mask; at least one exhalation valve arranged on the main body of the mask; ear straps arranged on both sides of the main body of the mask. The foldable mask provided by the utility model is convenient for storage and carrying, and the added spandex fiber component in the matrix material of the composite cloth enables the composite cloth to adjust the opening and closing degree of the opening and closing bracket, so that the mask is more suitable for most human facial contours .

Description

A foldable mask

technical field

This application relates to face masks, in particular foldable face masks.

Background technique

With the improvement of people's living standards, especially the appearance of haze days, masks have become a necessity for people's lives. Common disposable non-woven masks are undoubtedly the most frequently used products because of their low price, convenience, hygiene and good air permeability. But, the wearing comfort of this disposable non-woven mask is poor.

At present, masks with supporting frames have appeared on the market, for example, Chinese utility model patent 201521006705.0 (a supportive protective mask), Chinese utility model patent 201420520123.3 (a high-efficiency low-resistance mask) and Chinese utility model patent 201520519823.5 ( A kind of comfortable medical mask) and other related masks have applied the support frame. However, these masks are not easy to store and carry, and the effect of fitting the masks to the contours of the human face is not good.

Utility model content

The application provides a foldable mask, which includes:

mask body,

Composite cloth, the composite cloth and the edge of the mask main body are joined together to form the inner cavity of the mask; the composite cloth includes an airtight resin layer and at least one matrix material layer, and the at least one matrix material layer is in contact with the user facial fit;

The opening and closing bracket, the opening and closing bracket is arranged in the inner cavity of the mask, its shape is adapted to the inner cavity of the mask, and can drive the mask main body to close and open the mask main body;

At least one exhalation valve arranged on the main body of the mask;

Ear straps provided on both sides of the main body of the mask.

In one embodiment, the composite cloth includes an air-impermeable resin layer and a matrix material layer laminated together, and the matrix material layer of the composite cloth is composed of polypropylene fibers and polyurethane fibers.

In one embodiment, the composite cloth includes a first matrix material layer, an air-impermeable resin layer and a second matrix material layer laminated together in sequence, the first matrix material layer is made of elastic fabric material, and the The second base material layer is made of polypropylene fiber and polyurethane fiber, and the second base material layer is attached to the user's face.

In one embodiment, the first matrix material layer is made of polyester and/or nylon, or made of polypropylene fiber and polyurethane fiber.

In one embodiment, the weight percentage of the polyurethane fibers in the matrix material layer is 3wt%-15wt%, based on the total weight of the polypropylene fibers and the polyurethane fibers.

In one embodiment, adjustment buckles are provided on both sides of the mask body, and the ear straps are connected to the adjustment buckles.

In one embodiment, the tensioning bracket includes a fitting ring, a supporting main beam and a supporting bar,

Wherein, the shape of the peripheral arc of the fitting ring is adapted to the contour of the face of the human body, and the fitting ring is arranged at the connecting joint between the composite cloth and the edge of the mask main body;

The two ends of the supporting main beam are connected to the middle position of the upper and lower parts of the fitting ring;

The support bar includes at least one vertical support bar with both ends connected to the upper and lower parts of the fitting ring and at least one horizontal support bar with both ends connected to the left and right parts of the fitting ring, the vertical support bar and the horizontal support bar The support bar is curved with a certain radian, and the horizontal support bar is connected to the supporting main beam;

The supporting main beam and the supporting bars form a supporting curved surface that fits the main body of the mask.

In one embodiment, the fitting ring includes a nose bridge alar adapted to the shape of the nose of a human body arranged at an upper middle position.

In one embodiment, the expandable bracket is integrally formed of flexible materials.

In one embodiment, the flexible material comprises polypropylene or polyethylene.

The beneficial effects of the utility model include:

(1) The foldable mask provided by the utility model is placed in the inner cavity of the mask through the opening and closing bracket provided to drive the main body of the mask to close and open, which is convenient for storage and carrying, and can be opened when wearing the mask to fit Fits the face of the human body, forming a three-dimensional space inside, making breathing more comfortable;

(2) The foldable mask provided by the utility model is provided with the spandex fiber component increased in the base material of the composite cloth, so that the composite cloth can adjust the degree of opening and closing of the opening and closing bracket, so that the mask is more suitable for most human faces contour.

Description of drawings

Fig. 1 shows a schematic diagram of the front structure of a foldable mask according to a preferred embodiment of the utility model;

Fig. 2 shows a schematic diagram of the back structure of a foldable mask according to a preferred embodiment of the present invention;

Fig. 3 shows the opening and closing support for a kind of preferred embodiment of mouth mask of the present utility model;

Fig. 4 shows a schematic diagram of the front structure of the opening and closing support for a preferred embodiment of the utility model mask;

Fig. 5 shows a schematic diagram of the side structure of the opening and closing bracket used in a preferred embodiment of the mask of the utility model.

Detailed ways

Below by accompanying drawing and embodiment the utility model is described in further detail. Through these descriptions, the features and advantages of the present utility model will become clearer.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as superior or better than other embodiments. While various aspects of the embodiments are shown in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

The application relates to a foldable mask, characterized in that the mask comprises:

mask body,

Composite cloth, the composite cloth and the edge of the mask main body are joined together to form the inner cavity of the mask; the composite cloth includes an airtight resin layer and at least one matrix material layer, and the at least one matrix material layer is in contact with the user facial fit;

The opening and closing bracket, the opening and closing bracket is arranged in the inner cavity of the mask, its shape is adapted to the inner cavity of the mask, and can drive the mask main body to close and open the mask main body;

At least one exhalation valve arranged on the main body of the mask;

Ear straps provided on both sides of the main body of the mask.

Below in conjunction with accompanying drawing, further set forth the mouth mask of the present application.

As shown in FIGS. 1 and 2 , the mask of the present application includes a mask main body 1 . As the material of the mask main body 1, commonly used fabrics commonly used in mask manufacturing can be adopted as long as these fabrics have desired filtering functions. Alternatively, a filter material can be sandwiched in the fabric of the mask main body, so that the mask main body can achieve the desired filtering function. In one embodiment, the filtration efficiency of the mask body for PM2.5 particles is at least 90%, preferably at least 95%, more preferably at least 97%, and even more preferably at least 99%.

In one embodiment, the mask main body 1 can be formed by two shells 4 . The two shells 4 can be two left and right symmetrical clamshell-shaped filter material sheets, which are bonded together by ultrasonic welding to form the mask main body 1 .

The mask of the present application also includes composite cloth 5 . The composite cloth 5 is joined with the edge of the mask main body 1 to form the inner cavity 6 of the mask. The inner cavity 6 has a three-dimensional structure, which can be maintained by the opening and closing bracket 2 arranged in it during use, so as to ensure that the user has enough breathing space and improve the comfort during wearing the mask. The composite cloth 5 includes an air-impermeable resin layer and at least one matrix material layer (not shown), and the at least one matrix material layer is attached to the user's face.

In one embodiment, the composite cloth is a two-layer structure, including an air-impermeable resin layer and a matrix material layer laminated together, and the matrix material layer of the composite cloth is made of polypropylene fiber (that is, polypropylene fiber) and polyurethane fiber. (that is, spandex) composition. Due to the high elastic recovery rate and high elongation at break of polyurethane fiber, the composite cloth containing the matrix material layer composed of polypropylene fiber and polyurethane fiber can adjust the degree of opening and closing of the opening and closing bracket, making the mask more suitable for most human bodies Facial contours to better maintain the airtightness of the mask during use. In one embodiment, the weight percentage of the polyurethane fibers in the matrix material layer is 3wt%-15wt%, based on the total weight of the polypropylene fibers and the polyurethane fibers. The resin used for the air-impermeable resin layer may include various commonly used soft resins provided that it is air-impermeable after curing and does not adversely change the rigidity of the base material layer. For example, the resin may include polyethylene, polypropylene, polyurethane, polyvinyl chloride, epoxy, and the like. The thickness of the air-impermeable resin layer is not particularly limited, and may be 10 microns to 2 mm, for example, 50 microns to 500 microns.

In another embodiment, the composite cloth has a three-layer structure, including a first matrix material layer, an air-impermeable resin layer, and a second matrix material layer laminated together in sequence, and the first matrix material layer is made of elastic fabric The second base material layer is made of polypropylene fiber and polyurethane fiber, and the second base material layer is attached to the user's face. In one embodiment, the first matrix material layer is made of polyester and/or nylon, or made of polypropylene fiber and polyurethane fiber. In a preferred embodiment, the first matrix material layer and the second matrix material layer are made of the same material, consisting of polypropylene fibers and polyurethane fibers. The first base material layer and the second base material layer composed of polypropylene fiber and polyurethane fiber are arranged on both sides of the air-tight soft resin layer, which can protect the air-tight soft resin layer from being damaged during use and improve The airtightness of the resin layer; secondly, the opening and closing degree of the opening and closing bracket can be further adjusted, so that the mask can be more suitable for most human facial contours, and the airtightness of the mask during use can be better maintained. In one embodiment, the weight percentage of the polyurethane fibers in the matrix material layer is 3wt%-15wt%, based on the total weight of the polypropylene fibers and the polyurethane fibers. The resin used for the air-impermeable resin layer may include various commonly used soft resins provided that it is air-impermeable after curing and does not adversely change the rigidity of the base material layer. For example, the resin may include polyethylene, polypropylene, polyurethane, polyvinyl chloride, epoxy, and the like. The thickness of the air-impermeable resin layer is not particularly limited, and may be 10 microns to 2 mm, for example, 50 microns to 500 microns.

The mouth mask of the present application also includes an opening and closing bracket 2, and the opening and closing bracket is arranged in the inner cavity 6 of the mask, and its shape is adapted to the inner cavity of the mask, and can drive the mask main body 1 to make the mask main body Close and open. The opening and closing bracket used for the mask of the present application is a mesh-like arched shape, so that the inner cavity of the mask becomes a 3D three-dimensional structure, and has good structural stability, ensuring that the user has enough breathing space and improving the breathing space of the mask during wearing. comfort. At the same time, the opening and closing bracket is placed in the inner cavity of the mask, which can drive the main body of the mask to close and open. When storing and carrying, the edge of the opening and closing bracket can be compressed to close it, so that the mask can be folded, which is convenient for storage and carrying, while maintaining the cleanliness of the inside of the main body of the mask; while wearing the mask, the opening and closing bracket can be opened to fit The human face forms a three-dimensional space inside, making breathing more comfortable.

In one embodiment, the opening and closing bracket 2 used in this application can use the mask support frame described in the Chinese Utility Model Patent Application No. CN201721365253.4 of the same applicant of this application, the contents of which are fully incorporated into this application.

For the purpose of illustration, this application further describes part of the Chinese Utility Model Patent Application No. CN201721365253.4. Fig. 3, Fig. 4 and Fig. 5 show the preferred embodiment of the tension bracket used in the present invention. As shown in these figures, the tension bracket includes a fitting ring 11, a supporting main beam 12 and supporting bars 13, 13',

Wherein, the shape of the peripheral arc of the fitting ring 11 is adapted to the facial contour of the human body;

The two ends of the supporting main beam 12 are connected to the middle position of the upper and lower parts of the fitting ring 11;

The support bars 13, 13' include a vertical support bar 13' whose two ends are connected to the upper and lower parts of the fitting ring 11 and a horizontal support bar 13 whose two ends are connected to the left and right parts of the fitting ring 11. Both the support bars 13 and 13 ′ are curved with a certain radian, and the horizontal support bars 13 whose two ends are connected to the left and right parts of the fitting ring 11 are connected to the supporting main beam 12 .

When the opening and closing bracket is arranged in the mask of the present application, the fitting ring 11 is arranged on the connection and joint part of the composite cloth and the edge of the mask body; The supporting curved surface of the mask main body is used to support the mask main body.

FIG. 3 shows a perspective view of the expandable stent, FIG. 4 shows a front view of the expandable stent, and FIG. 5 shows a side view of the expandable stent. As shown in Figure 4, the mask opening and closing bracket includes a fitting ring 11, and the shape of the peripheral arc of the fitting ring 11 is adapted to the contour of the human face. The nose bridge wings 17 with suitable shapes; the mask opening and closing bracket also includes a supporting main beam 12, and the two ends of the supporting main beam 12 are connected to the middle position of the upper and lower parts of the fitting ring 11; the mask opening and closing bracket also includes several supporting Bars 13,13', wherein there are 4 vertical support bars 13', 2 vertical support bars 13' are located on one side of the supporting main beam 12, and 2 vertical supporting bars 13' are located on the other side of the supporting main beam 12, located at Each of the two vertical support bars 13' on the left and right sides of the main beam 12 is basically symmetrically distributed, and there are also four horizontal support bars 13, wherein any one of the four vertical support bars 13' and two horizontal support bars 13 And a reinforcement platform 15 is provided between the fitting rings 11, and a reinforcement platform 15 is also provided between any of the 4 horizontal support bars 3, 2 vertical support bars 13' and the fitting ring 11, thereby forming 8 Reinforcement platform 15, such a setting can make the mask opening and closing bracket have good structural stability, and enhance the uniformity of the deformation ability of the fitting ring in all directions, and can improve the fitting effect of the fitting ring and the human face. A connection bar 18 is also arranged between the two vertical support bars 13' close to the supporting main beam 12, and the connection between the connection bar 18 and the two vertical support bars 13' is basically located in the middle of the two vertical support bars 13' position, and the connecting bar 18 is also connected to the supporting main beam 12 . The arrangement of the connecting strips 18 can also improve the structural stability of the tensioned stent. In addition, it is necessary to control the size of the hole 14 between the two vertical support bars 13' and the two horizontal support bars 13, so that the hole 14 is used as the air valve support hole of the mask when the folding bracket is used for the mask. The exhalation valve 7 that is used to install mouth mask.

For the expansion bracket used in the present utility model, in order to enable the expansion bracket to deform according to different human facial contours, it is preferable that each part of the expansion bracket is formed of flexible materials. Various flexible materials known in the art can be used as the materials for forming the various parts of the tension stent of the present invention, such as polyolefins such as polyethylene (PE) and its copolymers, including high-density polyethylene (HDPE) , medium density polyethylene (MDPE), low density polyethylene (LDPE), very low density polyethylene (ULDPE), polyethylene-α-olefin copolymer, etc., polypropylene (PP) such as polypropylene homopolymer and its copolymer material, polycarbonate (PC). The materials of the components of the folding bracket can be the same or different. Preferably, when using the integral molding method to manufacture the tension bracket of the present utility model as described below, the materials used for the components of the tension bracket of the utility model are the same, preferably polycarbonate and polyolefin For example, polyethylene and polypropylene are used to manufacture the tensioned bracket of the present utility model.

The tension bracket used in the utility model can be integrally formed, or can be formed by splicing different parts. However, in view of the simplicity and cost of manufacture, it is preferable to adopt an integral molding method to manufacture the tension bracket used in the present invention. Any integral molding process known in the art can be used to manufacture the expandable bracket used in the present invention. For example, common techniques in the field such as injection molding and stamping can be used to manufacture the tension bracket used in the present invention.

The mask of the present application also includes at least one exhalation valve 7 arranged on the mask main body. The exhalation valve 7 can use various one-way exhalation valves, and the water vapor and gas exhaled during exhalation can be quickly discharged outside the mask main body, and the exhalation valve is closed during inhalation without air leakage. In one embodiment, the exhalation valve used in this application can use the mask exhalation valve described in the Chinese Utility Model Patent Application No. CN201721158019.4 of the same applicant of this application, the contents of which are fully incorporated into this application. The exhalation valve makes exhalation smoother by setting a curved film in the shape of a crescent; by setting an airflow guide perpendicular to the mouth, the exhalation is basically discharged perpendicular to the exhalation valve, avoiding fogging of the glasses or eyes uncomfortable.

The mask of the present application also includes ear straps 3 arranged on both sides of the mask body. The two ear straps 3 are tightened during the wearing process of the mask, so that the composite cloth 5 is tightly attached to the user's face under the action of the tension bracket 2, thereby achieving the effect of sealing and fitting. Moreover, during the process of opening and closing the bracket 2, the overall stress remains uniform and does not deform, thereby keeping the space size of the breathing chamber of the mask unchanged. In this way, the user will have a good degree of comfort when using the mask. The earband 3 can be made of elastic material such as rubber.

In one embodiment, adjustment buckles 8 are provided on both sides of the mask body, and the ear straps 3 are connected to the adjustment buckles 8 . The adjustment buckle can be made of materials such as polyethylene, polypropylene, polycarbonate, etc., and can be fixed on both sides of the main body of the mask by bonding, sewing, etc. The adjustment buckle can be used to adjust the length of the ear straps and change its effective working length, so that the user can adjust the tightness of the mask according to the needs, so as to be suitable for different groups of people.

In the description of the utility model, it should be noted that the orientation or positional relationship indicated by the terms "up", "down", "inside", "outside", "front", "back" etc. are based on the working conditions of the utility model. The orientation or positional relationship is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be interpreted as a reference to the utility model. limits.

In the description of the present utility model, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

The present utility model has been described above in combination with preferred embodiments, but these embodiments are only exemplary and only serve as an illustration. On this basis, various replacements and improvements can be made to the utility model, all of which fall within the protection scope of the utility model.

Claims (8)

1. A foldable mask, characterized in that, the mask comprises: mask body, Composite cloth, the composite cloth and the edge of the mask main body are joined together to form the inner cavity of the mask; the composite cloth includes an airtight resin layer and at least one matrix material layer, and the at least one matrix material layer is in contact with the user facial fit; The opening and closing bracket, the opening and closing bracket is arranged in the inner cavity of the mask, its shape is adapted to the inner cavity of the mask, and can drive the mask main body to close and open the mask main body; At least one exhalation valve arranged on the main body of the mask; Ear straps provided on both sides of the main body of the mask. 2. The foldable mouth mask according to claim 1, wherein the composite cloth comprises an air-tight resin layer and a base material layer laminated together, and the base material layer of the composite cloth is made of polypropylene fiber and Made of polyurethane fibers. 3. The foldable mouth mask according to claim 1, wherein the composite cloth comprises a first base material layer, an air-tight resin layer and a second base material layer laminated together in sequence, and the first base body The material layer is made of elastic fabric material, the second base material layer is made of polypropylene fiber and polyurethane fiber, and the second base material layer fits the user's face. 4. The foldable mask according to any one of claims 1-3, characterized in that, adjustment buckles are arranged on both sides of the mask body, and the ear straps are connected with the adjustment buckles. 5. The foldable mouth mask according to any one of claims 1-3, wherein the opening and closing bracket comprises a fitting ring, a supporting main beam and a supporting bar, Wherein, the shape of the peripheral arc of the fitting ring is adapted to the contour of the face of the human body, and the fitting ring is arranged at the connecting joint between the composite cloth and the edge of the mask main body; The two ends of the supporting main beam are connected to the middle position of the upper and lower parts of the fitting ring; The support bar includes at least one vertical support bar with both ends connected to the upper and lower parts of the fitting ring and at least one horizontal support bar with both ends connected to the left and right parts of the fitting ring, the vertical support bar and the horizontal support bar The support bar is curved with a certain radian, and the horizontal support bar is connected to the supporting main beam; The supporting main beam and the supporting bars form a supporting curved surface that fits the main body of the mask. 6. The foldable mask according to claim 5, characterized in that, the fitting ring includes a nose bridge alar that is arranged in the middle of the upper part and is adapted to the shape of the human nose. 7. The foldable mask according to claim 5, wherein the folding bracket is integrally formed of flexible materials. 8. The foldable mask according to claim 7, wherein said flexible material comprises polypropylene or polyethylene.