CN215303201U

CN215303201U - Mask

Info

Publication number: CN215303201U
Application number: CN202120805013.1U
Authority: CN
Inventors: 高永贤
Original assignee: Lingnan University
Current assignee: Lingnan University
Priority date: 2021-01-22
Filing date: 2021-04-20
Publication date: 2021-12-28
Anticipated expiration: 2031-04-20

Abstract

The application discloses gauze mask contains: a first portion that contacts and remains attached to the area of the face including the mouth and nose and the area of the face in transition with the neck; the first portion includes a plurality of naturally overconnected curved surfaces; a second portion located on top of the first portion and comprising at least one plane, the at least one plane corresponding at least to a user's mouth area when in use; wherein at least one plane is made of transparent material; and the filter is connected with the first part or the second part and is used for exchanging gas inside and outside the mask and filtering microorganisms or microparticles. The utility model provides a gauze mask makes the user see clearly at least oral area scope of wearing person and can not produce the reflection of light.

Description

Mask

Technical Field

The present application relates to a mask.

Background

A mask refers to a common class of simple protective articles that the wearer can block from inhaling smoke, suspending particles such as dust, and microorganisms that can prevent from inhaling or exhaling to spread disease. It is mostly made of cloth, non-woven fabric, paper, etc. Still another type of respirator for use in toxic environments typically includes an opaque face mask, filters and respirator, as well as a one-way valve for venting moisture, etc. Whether the mask is a common mask or a gas mask, the facial features, facial expressions and lip movements of a user are difficult to identify after wearing the mask.

Disclosure of Invention

In view of this, the technical problem to be solved by the present application is to provide a mask, so as to solve the problem that it is difficult to identify facial features, facial expressions, and lip movements of a user after wearing the mask in the prior art.

For solving the above technical problem, the application provides a gauze mask on the one hand, includes:

a first portion that contacts and maintains fit with the area of the face including the mouth and nose and the area of the face in transition with the neck; the first portion comprises a plurality of naturally overconnected curved surfaces;

a second portion located on top of the first portion and comprising at least one plane corresponding at least to a user's mouth area when in use;

wherein, the at least one plane is made of transparent material;

and the filter is connected with the first part or the second part and is used for exchanging gas inside and outside the mask and filtering microorganisms or microparticles.

This application another aspect provides a gauze mask, includes:

the base part comprises a plurality of curved surfaces which are naturally connected in an excessive way, and the bottom ends of the curved surfaces are contacted with a facial area comprising the mouth and the nose and a facial area with the excessive neck and are kept fit;

a top portion located at a top end of the base portion and including at least one plane corresponding to a mouth area of a user in a use state; the at least one plane forms an inclination angle of not less than 10 ° with the vertical direction;

the bottom end of the base part is wrapped with a transparent silica gel ring, and the base part and the top part are made of transparent acrylic materials; the inner walls of the base part and the top part are provided with antifogging coatings;

and the filter is used for carrying out gas exchange and microorganism or microparticle filtration inside and outside the mask, and is positioned at the bottom side of the base.

The application provides a gauze mask has following advantage at least:

the top of the mask is transparent or the top and the base are all transparent, and at least one plane corresponding to the mouth of the user at the top can make the mouth exposed through the transparent plane of the top without shielding and distortion when the mask is used by the user; this plane possesses certain inclination, makes this plane can be ingenious avoid strong light such as light and form reflection of light spot on the plane, is particularly suitable for being used for some crowds that need carry out information transmission or obtain through observing lip action, for example the hearing impaired personage.

The filter of gauze mask preferentially uses the HEPA filter, can realize the inside and outside gas exchange of gauze mask and realize the effect of filtering particle, virus to and avoid the interior steam accumulation of gauze mask to form the matte.

The inner wall of the mask is provided with an antifogging coating, so that the transparent effect is further prevented from being influenced by the formation of a fog face in the mask.

The main body of the mask adopts a transparent acrylic plastic uptake integral structure, so that the integral shape is stable and the transparent effect is good.

The mask is provided with the transparent silica gel edge, so that the mask is comfortable to wear.

Drawings

Fig. 1A is a perspective view of a mask according to one embodiment of the present disclosure;

FIG. 1B is a front view of the schematic diagram of FIG. 1A of the present application;

fig. 2A is a perspective view of a mask according to another embodiment of the present disclosure;

fig. 2B is a side view of the mask of fig. 2A in use.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer and clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the present application, terms relating to orientation, such as upper, lower, left, right, inner, outer, top, bottom, etc., are defined relative to each other with reference to the state of the mask when the user normally wears the mask, unless otherwise specified.

In the present application, the filter refers to a device that intercepts and fixes viruses, bacteria, microparticles, pollen, and the like in gas passing through the filter, thereby purifying the gas passing through the filter.

In this application, the HEPA filter is a dry high efficiency air filter made of laminated fibers and a fixed frame, and the key influencing the function is the fiber density and diameter and the filter thickness. Current HEPA filters remove at least 97.00% of the smallest 0.3 μm diameter particles in the air.

When the infectious epidemic spreads widely, people need to wear the mask widely in various occasions to reduce the spread speed of the disease, and particularly, the mask becomes a necessity in a closed space with many people like a classroom and a conference room. Most of the masks in the prior art are disposable masks made of non-woven fabrics or common fabrics, most of faces of users are shielded after the masks are worn, and many problems are brought to daily work and life of people in some special industries, for example, some actors need to show performances through abundant facial expressions, and the existing masks cannot achieve the purpose, so that the actors can only stop working; for some hearing-impaired people, the content spoken by the speaker needs to be judged in coordination with the lip movements of others, and if the speaker wears a common mask, the special people directly lose a way of acquiring information, which makes the communication between the speaker and others more difficult. The present application is made in view of these problems.

One aspect of the present application provides a mask, comprising:

a first portion that contacts and maintains fit with the area of the face including the mouth and nose and the area of the face in transition with the neck; the first portion comprises a plurality of naturally overconnected curved surfaces; a second part which is positioned on the top of the first part (the top refers to the top of the mask in a state that the first part faces downwards) and comprises at least one plane, and the at least one plane at least corresponds to the mouth range of a user in a use state; wherein at least one plane is made of transparent material; and the filter is connected with the first part or the second part and is used for exchanging gas inside and outside the mask and filtering microorganisms or microparticles. In this embodiment, the user can show the face including at least the oral area through a transparent plane, and make other people observe the blind spot that the person's oral area was formed, clear, no light reflection, especially the hearing impaired person can obtain the information through observing the lip action of the person who wears this gauze mask. And other wearers needing to show facial features can also obtain better facial display under the condition of ensuring the safety of the incoming or outgoing airflow.

In one embodiment, the filter is located on the bottom side of the first portion. In alternative embodiments, the filter may be located on other sides of the first portion, preferably so as not to obstruct the user's own view and where others view the user's mouth and face.

In one embodiment, the filter is located in said second portion at a position corresponding to the position of the user's chin in use.

In one embodiment, the second part comprises two planes, the first plane and the second plane are in a vertical relation, and an included angle which is larger than or equal to 120 degrees and smaller than or equal to 180 degrees is formed between the first plane and the second plane. Preferably, the first plane is inclined inwardly with respect to the vertical and the second plane is inclined downwardly with respect to the horizontal so that the first plane avoids formation of a reflected spot.

In one embodiment, the first plane above in the second portion is an inclined plane forming an angle of inclination with the vertical direction, the angle of inclination being greater than or equal to 10 degrees.

In one embodiment, the second portion is made of transparent acrylic material.

In one embodiment, the first portion and the second portion are made of transparent acrylic materials, and the first portion comprises a transparent silica gel edge.

In one embodiment, the filter is a HEPA filter.

In one embodiment, the inner walls of the first and second portions are provided with an anti-fog coating.

In one embodiment, the mask binding band is used for binding the mask with a user. The bandage is an elastic or non-elastic belt and is bound with the ears, the head, the neck and the like of a user.

Another aspect of the present application provides a mask comprising:

a base part which comprises a plurality of curved surfaces naturally connected in an excessive way, wherein the bottom ends (the bottom end refers to the bottom end of the mask in a state that the base part is placed downwards) of the curved surfaces are contacted with and kept attached to a face area comprising a mouth and a nose and an area where the face and the neck are excessive;

a top part which is positioned at the top end of the base part (the top end refers to the top end of the mask in a placing state that the base part faces downwards) and comprises at least one plane, and the at least one plane corresponds to the mouth range of a user in a using state; the at least one plane forms an inclination angle of not less than 10 ° with the vertical direction;

In one embodiment, the top comprises two planes, the first plane and the second plane are in an up-down relationship, and an included angle which is larger than or equal to 120 degrees and smaller than or equal to 180 degrees is formed between the first plane and the second plane.

Yet another aspect of the present application provides a method of manufacturing a mask, comprising the steps of:

manufacturing a mask mold comprising a curved base and a top comprising at least one plane;

manufacturing a mask main body made of transparent plastic materials corresponding to the shape of the mask mould in a hot plastic suction mode;

connecting the mask body and the filter;

the edge of the mask body is provided with a silica gel edge.

In one embodiment, the top of the mold comprises two planes, the first plane and the second plane are in an up-down relationship, and an included angle of 120 degrees or more and 180 degrees or less is formed between the first plane and the second plane.

In one embodiment, the first plane above is an inclined plane forming an angle of inclination with the vertical direction, the angle of inclination being greater than or equal to 10 degrees.

Embodiments of the present application are further described below with reference to the accompanying drawings:

the mask 100 shown in fig. 1A and 1B includes a first portion 110 and a second portion 120, and a filter 130 located at the bottom of the first portion 110, and a silicone rim 140 surrounding the entire edge of the first portion 110. In this embodiment, the opening of the first portion 110 is used for contacting the nose and mouth area of the face of the user and the transition between the face and the neck, the first portion 110 is substantially arched, and gradually shrinks from the opening of the first portion 110 to the top (the top refers to the top of the mask in the state that the first portion is placed downwards) and then the top is covered by the second portion 120, and a certain distance is formed between the opening of the first portion and the second portion; wherein the second portion 120 is generally planar, the size and position of the plane corresponding to the size and position of the mouth area of the user; the plane can be a plane parallel to the vertical direction, and can also be a plane forming an inclined angle with the vertical direction; the plane can be an integral plane or formed by splicing two or more planes. In this embodiment, the first portion 110 and the second portion 120 are integrally made of transparent acrylic through a thermal plastic suction method, so that the shape of the mask can be maintained by integrally maintaining a certain rigidity. The first part 110 or the second part 120 is provided with a space for fixing the filter 130; in this embodiment, the bottom of the first portion 110 is provided with a space for fixing the filter 130, and the filter 130 is hermetically connected to the first portion 110. In this embodiment, the filter 130 is a rectangular parallelepiped, and optionally, the filter may have a cylindrical shape. The filter 130 may be detachably connected to the mask body in a fixed and sealed manner. The size of one side of the filter 130 corresponds to the size of the space reserved at the bottom of the first part 110, and the filter may protrude out of the mask or be embedded in the mask as shown in fig. 1B. The filter 130 is preferably a HEPA filter of the H11 or H13 type, and the filter 130 may be provided with a replaceable filter element therein or the filter 130 may be replaceable as a whole. The HEPA filter enables the gas in the mask to be discharged through the filter quickly, and the chances that the exhaled gas stays in the mask and is fogged on the inner wall of the mask are reduced. The inner walls of the first and

second portions

110 and 120 are coated with a transparent anti-fog coating. And, the outer walls of the first and

second portions

110, 120 may also be provided with an anti-fog coating, as desired. The edge of the first part is provided with the silica gel band, so that the part of the mask contacted with a user is soft and comfortable, and the skin is not hurt. The mask of the embodiment is transparent as a whole, when the mask is worn on a user, a certain distance is formed between the inner wall of the second part 120 and the mouth and nose of the user, at least one part or at least one plane of the second part 120 is opposite to the mouth of the user, when the user speaks, the lip movement of the user can be clearly seen through the plane part of the second part, the whole face of the user can be displayed through the transparent materials of the first part 110 and the second part 120, and the mask can meet the requirements of work and epidemic prevention for some people engaged in the industries of performance, fashion and broadcasting; particularly, for some speeches aiming at the hearing impaired people, the hearing impaired people can perfectly show or read the action of the lips through the mask, and the opportunity that light is reflected on the mask to influence observation can be reduced.

The mask 200 shown in fig. 2A and 2B comprises a base 210 and a top 220, wherein the base 210 comprises a plurality of curved surfaces, such as a first curved surface 23, a second curved surface 24, a third curved surface 25 and a fourth curved surface 26 shown in the figure, the first curved surface 23, the second curved surface 24, the third curved surface 25 and the fourth curved surface 26 are naturally and excessively connected to form a whole, the first curved surface 23 is used for covering the nose part, the second curved surface 24 and the third curved surface 25 are symmetrical and used for covering two cheeks, and the fourth curved surface 26 is used for connecting the second curved surface 24 and the third curved surface 25 and covering two cheeks to the chin area. The top 220 is located on the top of the base 210 (the top refers to the top of the mask in a state that the mask is placed with the base facing downwards), so as to form an ergonomic cover covering the range of the mouth and the nose of the face and the range of the transition between the face and the neck, and the ergonomic cover is used for closing one end of the base 210, and a silica gel strip is arranged on the edge of the other end (the end in contact with the face) of the base 210, so that the mask is more comfortable when contacting the skin. In this embodiment, the top portion 220 includes 2 planes, i.e. a first plane 21 and a second plane 22, and the first plane 21 and the second plane 22 are in an up-down relationship, i.e. the first plane 21 is located above the second plane 22. As shown in fig. 2B, the first plane 21 and the vertical direction Y maintain a certain inclination angle a, the inclination angle is greater than or equal to 10 degrees, and the inclination direction is from top to bottom and inwards; the first plane is in a trapezoid shape, and the position of the first plane 21 is the position of the mouth part opposite to the user in a wearing state. One side of the second plane 22 intersects with the bottom side of the first plane 21, and the second plane 22 is in the shape of an inverted triangle. The second plane 22 also forms a certain angle of inclination with the horizontal direction X. The first plane 21 and the second plane 22 form an included angle between 120-180 degrees, as shown by an angle B in fig. 2B.

A filter 230 is arranged below the second plane 22; the filter 230 is a rectangular HEPA filter, and is fixed to a position corresponding to the chin of the mask base 210 such that a main body thereof protrudes from the mask body. Alternatively, the filter 230 may be other shapes, such as circular. The filter 230 is connected to the mask body in a sealing and fixing manner or in a sealing and detachable manner. The inner walls of the mask base 210 and the first and

second planes

21 and 22 are provided with an anti-fog coating. The mask base 210 and the first plane 21 and the second plane 22 are integrally manufactured in a hot plastic suction mode, and the material is transparent acrylic; when wearing, as shown in fig. 2B, the whole face of the user can be displayed through the transparent materials at the base and the top, the inclined first plane 21 can well prevent light such as lamplight from reflecting on the first plane, and the situation that the person facing to wearing the mask cannot see clearly the mouth of the person wearing the mask due to reflection is avoided.

The manufacturing method of the mask suitable for the application comprises the following steps:

s1, manufacturing a mask mould which comprises a curved base and a top part at least comprising a plane;

preferably, the top of the die comprises two planes, the first plane and the second plane are in a vertical relation, and an included angle which is larger than or equal to 120 degrees and smaller than or equal to 180 degrees is formed between the first plane and the second plane. The first plane located above is an inclined plane forming an inclination angle with the vertical direction, the inclination angle being greater than or equal to 10 degrees.

S2, manufacturing a mask main body made of transparent plastic materials corresponding to the shape of the mask mould in a hot plastic suction mode;

s3, connecting the mask body and the filter;

the mask body and the filter can be connected by means of bonding, thermal welding and the like.

And S4, arranging a silica gel edge on the edge of the mask body.

The connection mode of silica gel edge and the edge of gauze mask main part is including multiple modes such as bonding or scarf joint.

The preferred embodiments of the present application have been described above with reference to the accompanying drawings, and are not intended to limit the scope of the claims of the application accordingly. Those skilled in the art can implement the present application in various modifications, such as features from one embodiment may be used in another embodiment to yield yet a further embodiment, without departing from the scope and spirit of the present application. Any modification, equivalent replacement and improvement made within the technical idea of the application shall fall within the scope of the claims of the application.

Claims

1. A mask characterized by comprising:

wherein, the at least one plane is made of transparent material;

2. The mask of claim 1 wherein: the filter is located on a bottom side of the first portion.

3. The mask of claim 1 wherein: the filter is located in the second portion at a position corresponding to the position of the user's chin in use.

4. The mask of claim 1 wherein: the second part comprises two planes, the first plane and the second plane are in a vertical relation, and an included angle which is larger than or equal to 120 degrees and smaller than or equal to 180 degrees is formed between the first plane and the second plane.

5. The mask of claim 4 wherein: the first plane located above is an inclined plane forming an inclination angle with the vertical direction, the inclination angle being greater than or equal to 10 degrees.

6. The mask according to any one of claims 1 to 5, wherein: the second part is transparent acrylic material.

7. The mask according to any one of claims 1 to 5, wherein: the first portion and the second portion are made of transparent acrylic materials, and the first portion comprises transparent silica gel edges.

8. The mask according to any one of claims 1 to 5, wherein: the filter is a HEPA filter.

9. The mask according to any one of claims 1 to 5, wherein: the inner walls of the first part and the second part are provided with antifogging coatings.

10. The mask according to any one of claims 1 to 5, wherein: the mask binding band is used for binding the mask with a user.

11. A mask, comprising:

12. The mask of claim 11 wherein: the top comprises two planes, the first plane and the second plane are in a vertical relation, and an included angle which is larger than or equal to 120 degrees and smaller than or equal to 180 degrees is formed between the first plane and the second plane.