CN212325455U

CN212325455U - Inflatable mask

Info

Publication number: CN212325455U
Application number: CN202020384192.1U
Authority: CN
Inventors: 张济飞
Original assignee: Hefei Longtotang Health Management Co ltd
Current assignee: Guangdong Haihua Zipper Ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2021-01-12
Anticipated expiration: 2030-03-23

Abstract

The utility model is suitable for the technical field of sanitary protective articles, and provides an inflatable mask, which comprises a mask main body and an inflation channel; the mask main body is provided with an expansion part; the inflation channel is arranged at the edge of the mask main body, and can be extruded towards one side of a human face to be attached to the face after being inflated with air; the inflation channel is provided with a sealing part and a telescopic part matched with the expansion part; the sealing part is arranged at the position corresponding to the nose bridge. The utility model discloses a set up on inflation channel with the pars contractilis of the looks adaptation of expansion in the gauze mask main part, realize the size in order to control the gauze mask main part of the expansion range of the flexible adjustment expansion portion of pars contractilis, and correspond bridge of the nose position on inflation channel and set up the sealing, make inflation channel fill after gaseous inwards extrude can with the laminating of bridge of the nose, can show the comfort level and the laminating degree of improvement gauze mask in wearing the process through above-mentioned mode, solve the poor problem of gauze mask and facial seal, guarantee the prevention effect, simple and practical.

Description

Inflatable mask

Technical Field

The utility model belongs to the technical field of health protection articles for use, especially, relate to an inflatable mask.

Background

With air pollution caused by the advancement of science and technology, masks have become one of the necessary articles in people's life, and the masks are worn at the mouth and nose parts to filter air entering the mouth and nose so as to achieve a sanitary protective tool for blocking harmful gas, smell and spray from entering and exiting the mouth and nose of a wearer, so that wearing the masks is an important protective and epidemic prevention measure for the health of people.

The mask structure usually includes inner, middle and outer three-layer, and the inlayer is the moisture absorption layer, can absorb the moisture in the gas of human suction, and the middle level is the filter layer, plays main filtering action, and the skin is the water blocking layer, can the moisture in the separation air. However, although the protective performance of the existing mask is improved along with the technological progress, the comfort level of the mask is still to be improved, and the mask structure is not tightly attached to the face, so that the breathing air flow is scattered, and the potential safety hazard is formed.

Therefore, the existing mask has the problems of poor comfort and poor airtightness with the face, and cannot achieve the prevention effect.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide an inflatable mask aims at solving current gauze mask and has the comfort level relatively poor and poor with facial seal, can't reach the problem of prevention effect.

The embodiment of the utility model is realized in such a way that the inflatable mask comprises a mask main body and an inflation channel;

the mask main body is provided with an expansion part;

the inflation channel is arranged at the edge of the mask main body, and can be extruded towards one side of a human face to be attached to the face after being inflated with air; the inflation channel is provided with a sealing part and a telescopic part matched with the expansion part; the sealing part is arranged at a position corresponding to the bridge of the nose, and the sealing part can be attached to the bridge of the nose by being inwards extruded after the inflation channel is inflated with air; the expansion part is used for controlling the expansion range of the expansion part in an expansion way so as to control the size of the mask main body.

Preferably, the inflation channel comprises a first channel and a second channel which are communicated with each other;

the first channel is fixedly connected to the edge of the mask main body;

the second channel is used for fixing the mask body on the face when the mask is worn.

Preferably, an inflation bag which can inflate the inflation channel when being pressed is arranged on the first channel and/or the second channel.

Preferably, the second passageway is a retractable conduit.

Preferably, the second channel is provided with a tightening clamp for adjusting the tightness of the first channel.

Preferably, the mask body is detachably connected to the inflation channel.

Preferably, the edge of the mask body is provided with a first connecting part, and the surface of the inflation channel is provided with a second connecting part which is attached to or separated from the first connecting part.

Preferably, the sealing part forms a concave structure, and the concave structure is attached to the nose bridge after the inflation channel is inflated; the two sides of the concave structure extend outwards, and the concave structure is attached to the face after the inflation channel is inflated with air.

Preferably, the mask body is composed of a filtering material which can be folded in half and is cup-shaped after being unfolded.

Preferably, the whole rectangle setting that is of gauze mask main part, the pars contractilis is arc setting is in gauze mask main part corner.

The embodiment of the utility model provides an inflation mask, through setting up inflation channel in the edge of gauze mask main part, set up the pars contractilis with the extension looks adaptation in the gauze mask main part on inflation channel, realize the size in order to control the gauze mask main part of the expansion range of the portion of extending through the flexible adjustment of pars contractilis, and it sets up the sealing to correspond bridge of the nose position on inflation channel, make inflation channel fill after gaseous inwards extrude can with bridge of the nose laminating, can show comfort level and the laminating degree of improvement gauze mask in the wearing process through above-mentioned mode, thereby solve the poor problem of gauze mask and facial seal, guarantee the prevention effect, and is simple and practical.

Drawings

FIG. 1 is a front view of an inflatable mask in accordance with an embodiment of the present invention;

FIG. 2 is a perspective view of an inflatable mask in accordance with an embodiment of the present invention;

fig. 3 is a perspective view of another inflatable mask in accordance with an embodiment of the present invention.

In the drawings: 1. a mask body; 2. an inflation channel; 3. an expansion unit; 4. a sealing part; 5. a telescopic part; 6. an air-filled bag.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention 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 invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

As shown in fig. 1-2, a structure diagram of an inflatable mask according to an embodiment of the present invention is shown, wherein the inflatable mask includes a mask body 1 and an inflation channel 2;

the mask body 1 is provided with an expansion part 3;

the inflation channel 2 is arranged at the edge of the mask main body 1 and can be extruded towards one side of a human face to be attached to the face after being inflated; the inflation channel 2 is provided with a sealing part 4 and a telescopic part 5 matched with the expansion part 3; the sealing part 4 is arranged at a position corresponding to the bridge of the nose, and can be attached to the bridge of the nose by being extruded inwards after the inflation channel 2 is inflated with gas; the expansion part 5 is used for expansion and contraction control of the expansion range of the expansion part 3 so as to control the size of the mask body 1.

In the embodiment of the utility model provides an in, to gauze mask main part 1's structure the utility model discloses do not make concrete explanation, can understand, the utility model discloses do not relate to and improve the structure of 1 performance protective action of gauze mask main part, as long as can realize sheltering from all belonging to of oronasal function the utility model discloses a protection scope. The structure of the mask body 1 can be realized with reference to the prior art; in the prior art, generally, the mask body 1 includes a moisture absorption layer, a filtering layer and a waterproof layer, which are only exemplary and should not be construed as limiting the scope of the present invention.

In the embodiment of the utility model provides an in, gauze mask main part 1 is used for filtering the air that gets into the mouth nose, blocks harmful gas, smell, droplet business turn over person's mouth nose of wearing, specifically can be the filtration that is used for the filtration of microorganism, dust, gaseous or liquid particle's filtration etc, the utility model discloses do not limit to gauze mask main part 1's concrete usage, gauze mask main part 1's concrete function usage is right the utility model discloses a realization can not produce any substantive influence. Optionally, the mask body 1 can be worn by assisting through a hanging rope, which is a conventional wearing mode of the existing mask, and the embodiment of the present invention is not limited to this specifically.

In the embodiment of the present invention, the mask body 1 is provided with an extension portion 3, as shown in fig. 1, the extension portion 3 may be in the form of a plurality of wavy wrinkles on the mask body 1, and the wavy wrinkles are formed by the wrinkles of the mask body itself; the expansion part 3 can also be presented in the form of a plurality of transverse folding strips and longitudinal folding strips on the mask main body 1, wherein the transverse folding strips are transversely displayed on the mask main body 1 and can extend and extend the mask main body 1 in the vertical direction (namely, the width of the mask main body 1 is increased) through longitudinal stretching, and the longitudinal folding strips are longitudinally displayed on the mask main body 1 and can extend the mask main body 1 in the transverse direction (namely, the length of the mask main body 1 is increased) through transverse stretching; the expansion part 3 can also be formed by horizontally folding and vertically folding the mask main body 1, wherein the width of the mask main body 1 can be increased after the horizontal folding and the vertical folding are unfolded, and the length of the mask main body 1 can be increased after the vertical folding and the vertical folding are unfolded; the extension 3 may be an inward/outward rolling structure formed by inward/outward rolling of the edge of the mask body 1, and the inward/outward rolling structure may change the size of the mask body 1 after being unfolded. It is to be understood that the above description is only illustrative and not intended to limit the scope of the present invention.

In the embodiment of the present invention, the inflation channel 2 is disposed at the edge of the mask body 1, and the outer surface of the inflation channel 2 can be understood to be attached to the mask body 1, and the attachment can be achieved by sewing, bonding, and the like. The embodiment of the utility model provides an in, inflation channel 2 is used for sealed to gauze mask main part 1 and human face, when gauze mask main part 1 is worn and is fixed in human face, fill inflation channel 2 into gaseous back, it can be towards people's face one side extrusion, make it laminate with human face through atmospheric pressure effect, improve the comfort level that the gauze mask was worn relatively and with facial seal, can understand, must have the inflation inlet on the inflation channel 2, the inflation inlet to inflation channel 2 does not sign in the drawing, because of the inflation mode is prior art, the setting of gas filled structure can refer to prior art and realize, the embodiment of the utility model discloses do not specifically prescribe a limit to this. In addition, in order to further improve the wearing comfort, the surface of the side of the inflation channel 2 contacting with the human face is covered by a soft material, which includes but is not limited to TPU (thermoplastic polyurethane elastomer rubber), silica gel, rubber, and the like.

The embodiment of the present invention provides an expansion portion 5 is provided on the inflation channel 2, the expansion portion 5 can be a hollow expansion pipe, or an expansion body (not shown in the figure) which can expand and contract in the inflation channel 2, a concave slot is provided on the expansion body, and a plurality of protruding portions which are identical to the concave slot are provided in the inflation channel, so as to control the length of the inflation channel 2 through the concave slot and the protruding portion. The embodiment of the present invention provides at least one expansion part 5 on the inflation channel 2 corresponding to four directions of the mask body 1 to realize the expansion length of the mask body 1 in each direction.

In the embodiment of the present invention, as mentioned above, the edge of the mask body 1 can be curled inward/outward around the inflation channel 2 to form the extension portion of the inward/outward curling structure on the mask body 1, and the range of the inward/outward curling of the edge of the mask body is controlled by the degree of the expansion portion on the inflation channel 2; or the mask body 1 is attached to the inflation channel 2 in a folded/folded form to form the expansion part 3 of the transverse folded/folded strip and the longitudinal folded/folded strip on the mask body 1, and the expansion range of the transverse folded/folded strip and the longitudinal folded/folded strip of the mask body 1 is controlled by the expansion degree of the expansion part 5 on the inflation channel 2, so that the size of the mask body 1 can be regulated and controlled to adapt to different human face sizes.

The embodiment of the utility model provides an in, inflation channel 2 still is provided with sealing 4 corresponding human bridge of the nose position, and this sealing 4 mainly used is inwards extruded and the laminating of human bridge of the nose position after inflation channel 2 fills gas, and this kind of setting can be adapted to different bridge of the nose shapes and fill to different wing of the nose spaces through what of inflation volume.

The embodiment of the utility model provides an inflation mask, through setting up inflation channel 2 in gauze mask main part 1's edge, set up on inflation channel 2 with the pars contractilis 5 of 3 looks adaptations of expansion portion on the gauze mask main part 1, realize extending through 5 flexible adjustments of pars contractilis expansion portion 3 expand the range with the size of control gauze mask main part, and correspond bridge of the nose position on inflation channel 2 and set up sealing portion 4, make inflation channel 2 fill inwards extrude after gaseous and can laminate with the bridge of the nose, can show comfort level and the laminating degree of improvement gauze mask in the wearing process through above-mentioned mode, thereby solve the poor problem of leakproofness of gauze mask and face, guarantee the prevention effect, and is simple and practical.

As shown in fig. 2, as a preferred embodiment of the present invention, the inflation channel 2 includes a first channel 21 and a second channel 22 which are communicated with each other;

the first channel 21 is fixedly connected to the edge of the mask body 1;

the second passage 22 is used to fix the mask body 1 to the face when worn.

In the embodiment of the present invention, the whole structure of the first channel 21 is determined by the whole shape of the mask body 1, which is equivalent to the fixing frame of the mask body 1, and if the whole shape of the mask body 1 is rectangular, the first channel is set to be a rectangular channel around the edge of the mask body 1, in addition, the first channel 21 and the second channel 22 can be combined by heat sealing, bonding, etc., and can also be manufactured by an integrated forming method, which is not specifically limited by the embodiment of the present invention.

In the embodiment of the present invention, the second channel 22 mainly serves to further ensure the airtight fit between the first channel 21 and the human face when worn, and to ensure that the mask body 1 is fixed on the human face; the integral structure of the second channel 22 is designed according to a wearing mode, the conventional wearing modes include ear-wearing type, head-wearing type and neck-wearing type, when the wearing mode is ear-wearing type, the second channel 22 comprises two ear-hanging pipelines and a fixed pipeline connected with the two ear-hanging pipelines, two ends of the two ear-hanging pipelines are respectively connected to two side edges of the first channel 21, when the second channel is worn, the two ear-hanging pipelines are respectively worn on the ears of a human body correspondingly, and after inflation, the fixed pipeline is combined to further ensure the attachment of the ear-hanging pipelines and the head of the human body; in a similar way, when the wearing mode is head/neck-wearing type, as shown in fig. 2, the both ends of second passageway 22 are connected with two sides of first passageway 21 respectively, second passageway 22 is around human head/neck laminating when making to wear, in addition, in order to guarantee first passageway 21 and facial laminating seal, two should be no less than to the figure of second passageway 22, and the hookup location of second passageway 22 and first passageway 21 side is equivalent with the hookup location of gauze mask main part such as current conventional ear-wearing type, head-wearing type, neck-wearing type and mounting, the embodiment of the utility model discloses no longer describe repeatedly to this.

In the inflatable mask provided by the embodiment of the present invention, the inflation channel 2 comprises a first channel 21 and a second channel 22 which are communicated with each other; wherein, first passageway 21 fixed connection is in gauze mask main part 1's edge, second passageway 22 further ensures first passageway 21 and human facial airtight laminating when wearing, ensures simultaneously that gauze mask main part 1 is fixed in human face, in addition, adopts the atmospheric pressure effect to laminate second passageway 22 and human ear/head/neck equally, when improving first passageway 21 and human facial airtight laminating nature, further improved the comfort level that the gauze mask was worn, avoid appearing the string and reing in the uncomfortable condition such as trace.

As shown in fig. 3, as a preferred embodiment of the present invention, an air bag 6 that can inflate the inflation channel 2 when pressed is disposed on the first channel 21 and/or the second channel 22.

In the embodiment of the present invention, when the first channel 21 and the second channel 22 are integrally connected, at least one air bag 6 is disposed on the first channel 21 or the second channel 22, the embodiment of the present invention can select the air bag 6 to be disposed on the second channel from the angle of the product, which can be understood, and it is not used to limit the protection scope of the present invention.

In the embodiment of the utility model, the inflation bag 6 can inflate the inflation channel 2 when being used for pressing, the inflation principle is the prior art, and is equivalent to the manual pressing inflation valve of the conventional inflatable travel pillow, the realization structure can be that the bag part is made of soft materials, the bag part is provided with an air inlet and an air outlet which are respectively provided with a one-way valve, and the air inlet is correspondingly provided with an anti-leakage air plug; when the air bag part is pressed, the check valve at the air inlet is closed and the check valve at the air outlet is opened, and the air in the air bag part flows out from the check valve at the air outlet; when the air bag part is released, the check valve at the air inlet is opened, the check valve at the air outlet is closed, the air bag part is restored under the action of elastic potential energy, air is sucked into the air bag part from the check valve at the air inlet, inflation can be realized by repeatedly pressing the air bag part, and the air leakage prevention plug is plugged into the air inlet after the inflation is finished. It is to be understood that the above description is only illustrative and not intended to limit the scope of the present invention.

The embodiment of the utility model provides an inflation mask can be right when pressing through being provided with on first passageway 21 and/or second passageway 22 inflation passageway carries out gas filled gas cell 6, realizes making things convenient for quick inflation to inflation passageway 2, simultaneously, because the inflation volume is decided according to pressing the number of times, can control inflation saturation degree according to first passageway 21 and facial laminating degree and second passageway 22 and head laminating degree by oneself.

As shown in fig. 2, the second channel 22 is a retractable pipe as a preferred embodiment of the present invention.

In the embodiment of the present invention, as described above, the main effect of the second channel 22 lies in further ensuring the airtight fitting between the first channel 21 and the human face when wearing, and simultaneously ensuring that the mask body is fixed on the human face, however, for adapting to different head shapes/face shapes, and correspondingly setting the second channel 22 into a telescopic pipeline, the tightness of wearing can be adjusted by controlling the length of the second channel 22 in a telescopic manner, for example, using the above ear-wearing structure as an example, the second channel 22 includes two ear-hanging pipelines and a fixed pipeline connecting the two ear-hanging pipelines, the respective pipeline length of the ear-hanging pipeline and the fixed pipeline can be controlled in a telescopic manner, so as to adapt to the use of wearing by users with different head shapes/face sizes.

The embodiment of the utility model provides an inflation mask designs into scalable pipeline form through being used for when wearing with the second passageway 22 that the mask main part is fixed in face, can realize the elasticity that the adjustment was worn through the length of flexible control second passageway 22 to this adapts to the user of different head types/face types size and wears the use, and further ensures the inseparable laminating of first passageway 21 and human face and second passageway 22 and head.

As a preferred embodiment of the present invention, a tightening clip for adjusting the tightness of the second channel 22 is disposed on the second channel 22.

The embodiment of the utility model provides an in, can also adjust its elasticity through setting up the tightening clamp on the second passageway 22, the structure of tightening clamp can be for upper and lower floor's sticky strip structure or hang knot structure, it is connected for can dismantling the mode with second passageway 22, just set up it on second passageway 22 when needs are adjusted second passageway 22's length, can dismantle the processing to it when not using, because it uses generally among the prior art, if use in conventional gauze mask string area, so the embodiment of the utility model discloses the embodiment is no longer repeated to this.

The embodiment of the utility model provides an inflation gauze mask is provided with through second passageway 22 and is used for the adjustment the tightening clamp of the elasticity of second passageway 22 when wearing the gauze mask, can adjust the elasticity of second passageway 22 at any time for the gauze mask wears the comfort reinforcing, in addition, can dismantle easy operation to it when not using.

As a preferred embodiment of the utility model, the mask body 1 and the inflation channel 2 can be detached and connected.

The embodiment of the utility model provides an in, gauze mask main part 1 passes through the detachable mode with inflation channel 2 and is connected, through this kind of mode, can needn't change inflation channel 2 when changing the gauze mask to reduce inflation channel 2's consumption, also can make inflation channel 2 have the better ability of being suitable for different gauze masks simultaneously, improved the utility model discloses a practicality is convenient for popularize and apply.

As a preferred embodiment of the present invention, the edge of the mask body is provided with a first connecting portion, the surface of the inflation channel is provided with a second connecting portion which is attached to or separated from the first connecting portion.

In the embodiment of the utility model, the mask main body 1 and the inflation channel 2 can be detachably connected by arranging the first connection part and the second connection part, and as an optional specific implementation method, the first connection part and the second connection part can be realized by adopting a magic tape, and in addition, can also be realized by adopting a magnetic connection strip; when the magnetic connecting strip is adopted, the first connecting portion and the second connecting portion can be respectively provided with an N pole and an S pole, or can be respectively provided with a magnet and a ferromagnetic material.

The embodiment of the utility model provides an inflation mask realizes that gauze mask main part 1 is connected with dismantling of inflation channel 2 through the design of first connecting portion and second connecting portion, makes things convenient for the change of gauze mask main part 1, can make inflation channel 2 used repeatedly many times, stops that the material is extravagant.

As shown in fig. 2, as a preferred embodiment of the present invention, a concave structure is formed in the middle of the sealing portion 4, and the concave structure is attached to the bridge of the nose after the inflation channel 2 is inflated with air; the two sides of the concave structure extend outwards, and the concave structure is attached to the face after the inflation channel 2 is inflated with air.

In the embodiment of the utility model, the middle part of the sealing part 4 is provided with a concave structure which is mainly used for jointing with the bridge of the nose of the human body after the inflation channel is inflated with gas; in addition, two sides of the concave structure extend outwards, and the extended part can be attached to the face at two sides of the bridge of the nose of the human body when the concave structure is worn and the inflation channel is inflated; it should be understood that the two sides of the concave structure refer to two sides perpendicular to the up-down direction of the bridge of the nose. Referring to the structure shown in fig. 2, the outwardly extending portions of the two sides of the recess structure form a plane, and the extending portions of the two sides are located on the same plane.

The embodiment of the utility model provides an inflation gauze mask makes sealing 4 can laminate with the bridge of the nose through set up sunk structure on inflation channel 2's sealing, combines sunk structure's both sides to extend outward simultaneously and make it can laminate with human face, can make the whole laminating with the people's face of inflation channel through the above-mentioned mode to solve current gauze mask at the poor problem of bridge of the nose position seal effect, simple and practical.

As a preferred embodiment of the present invention, the mask body 1 is made of a filtering material that can be folded and opened to form a cup shape.

In the embodiment of the present invention, the mask body 1 does not improve the composition of the filter material. In the embodiment of the utility model, the mask body 1 can be folded for storage when not in use, so as to reduce the occupied volume; when the mouth mask is used, the mouth mask is cup-shaped after being opened, the edge of the mouth mask main body 1 and the tightness of the face of a human body can be guaranteed, and meanwhile the problem that the mouth of the human body directly touches the mouth mask main body 1 to cause poor experience and speech blocking is solved.

As shown in fig. 3, as a preferred embodiment of the present invention, the mask body 1 is integrally rectangular, and the expansion portion 5 is arc-shaped and is disposed at the corners of the mask body 1.

In the embodiment of the present invention, the whole mask body 1 is rectangular, and the extension portion is formed by folding the mask body itself, i.e. the extension portion is represented by a plurality of wave folding stripes; the pars contractilis on the inflation channel 2 is flexible tubular construction, and it becomes the arc setting and is in 1 corner of gauze mask main part, the position looks adaptation of pars contractilis 5 on the fold position on the gauze mask main part 1 and the inflation channel, when needs expand the size of gauze mask main part 1, then stretch the pars contractilis 5 on the gas filled tube way, the fold position on the gauze mask main part 1 stretches out under the stretching action of pars contractilis 5 step by step, the extension range at the fold position on the gauze mask main part is controlled to the flexible degree of pars contractilis 5 on through the inflation channel to the realization is adjusted the size of gauze mask main part.

In the embodiment of the utility model, the inflation channel 2 is also provided with a sealing part 4 at the position corresponding to the bridge of the nose of the human body, the middle part of the sealing part 4 is provided with a concave structure, and the concave structure is mainly used for being attached to the bridge of the nose of the human body after the inflation channel is inflated with gas; in addition, two sides of the concave structure extend outwards, and the extended part can be attached to the face at two sides of the bridge of the nose of the human body after the concave structure is worn and the inflation channel is inflated.

The embodiment of the utility model provides an in, after finishing the size adjustment to gauze mask main part 1, when gauze mask main part 1 is worn and is fixed in human face, fill into gaseous back to inflation channel 2, it can be towards people's face one side extrusion, make it laminate with human face through atmospheric pressure effect, of course, in order to further improve the comfort level that facial was worn, inflation channel 2 adopts soft materials to cover with a side surface of human face contact, soft materials includes but not limited to TPU (thermoplastic polyurethane elastomer rubber), silica gel, rubber etc..

In the embodiment of the present invention, the inflation channel 2 includes the first channel 21 and the second channel 22 that are integrally formed and connected, as shown in fig. 1, the first channel 21 is set to the rectangular channel around the edge of the mask main body, the second channel 22 is connected to both ends of the first channel 21, which is equivalent to the shape of the intersection of the two channels, and the inflation bag 6 is provided at the intersection of the two channels for pressing and inflating the whole inflation channel.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An inflatable mask is characterized by comprising a mask body and an inflation channel;

the mask main body is provided with an expansion part;

2. The inflatable mask of claim 1, wherein said inflation channel comprises a first channel and a second channel in communication;

the first channel is fixedly connected to the edge of the mask main body;

3. The inflatable mask of claim 2 wherein said first and/or second passageways are provided with inflatable bladders that inflate said inflatable passageways when pressed.

4. The inflatable mask of claim 2 or 3, wherein the second passageway is a collapsible tube.

5. The inflatable mask of claim 2, wherein the second channel is provided with a tightening clip for adjusting the tightness of the second channel.

6. The inflatable mask of claim 1 wherein said mask body is removably connected to said inflation channel.

7. The inflatable mask of claim 6, wherein a first connection portion is provided at an edge of the mask body, and a second connection portion attached to or separated from the first connection portion is provided at a surface of the inflation channel.

8. The inflatable mask of claim 1 wherein the sealing portion defines a recessed feature therein, the recessed feature engaging the bridge of the nose after the inflation channel is inflated; the two sides of the concave structure extend outwards, and the concave structure is attached to the face after the inflation channel is inflated with air.

9. The inflatable mask of claim 1 wherein said mask body is comprised of a filtering material that can be folded in half and opened to form a cup.

10. The inflatable mask of claim 1, wherein said mask body is generally rectangular and said expansion portion is arcuate at corners of said mask body.