CN113425012A

CN113425012A - Mask convenient to replace filter component

Info

Publication number: CN113425012A
Application number: CN202110576520.7A
Authority: CN
Inventors: 施捷; 王莹
Original assignee: Changzhou Institute of Technology
Current assignee: Changzhou Institute of Technology
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-09-24
Also published as: JP7328721B2; JP2022183070A

Abstract

The invention discloses a mask convenient for replacing a filter component, which comprises a mask body, wherein an installation cavity is arranged in the middle of the mask body, a clamping ring is fixedly arranged at the edge of the installation cavity, an annular clamping groove is formed in the inner side of the clamping ring, and ear ropes are arranged at the left end and the right end of the mask body. The other end through the ear rope is connected with the adjustable locking of rope fastening and is realized that the rope fastening can be adjusted the length of ear rope when fixing the ear rope and can satisfy user's demand and have better use flexibility, be used for the filtration of the dust in the air when ordinary use through first filter assembly, it need not the change to whole gauze mask to dismantle first filter assembly simultaneously through the dismantlement separation convenience of pressing frame and fixed frame to first filter assembly through clamping at intra-annular first filter assembly convenience, the used repeatedly of gauze mask has been realized, the waste of resource has been reduced.

Description

Mask convenient to replace filter component

Technical Field

The invention relates to the technical field of masks, in particular to a mask with a filter part convenient to replace.

Background

With the development of society and the development of industrial level, a large amount of pollutants are generated in the activity production of human beings to float in the air to cause atmospheric pollution, and in order to reduce the damage of atmospheric pollution to human health, people use a large amount of masks, the masks are widely applied to the pollution protection and the virus and bacteria protection as protective articles to bring certain safety protection to the life of people, the masks are different in types and filtering protection grades, a large number of masks are generally used for filtering dust, and the masks with higher filtering grades need to be worn for preventing dust, viruses and bacteria or purifying air.

The applicant of the invention finds that when the existing mask is used, the mask with different filtering grades is worn according to different requirements, the use is single, the existing mask cannot be reused, resource waste is caused, and meanwhile, ear ropes on the mask cannot be adjusted according to the head size of a user, and the use flexibility is poor.

Disclosure of Invention

The invention aims to provide a mask with a filter component convenient to replace, and aims to solve the problems that the existing mask is single in use and cannot be reused, so that resource waste is caused, and the use flexibility is poor.

The invention is realized by the following steps:

a mask convenient for replacing a filter component comprises a mask body, wherein an installation cavity is arranged in the middle of the mask body, a clamping ring is fixedly arranged at the edge of the installation cavity, an annular clamping groove is formed in the inner side of the clamping ring, ear ropes are arranged at the left end and the right end of the mask body, one end of each ear rope is fixedly connected with the mask body, rope buckles are arranged at the two ends, close to the lower side edge, of the mask body, the rope buckles are connected with the other ends of the ear ropes in an adjustable locking mode, a protruding sealing ring made of a silica gel material is arranged at the position, close to the peripheral edge, of the front end face of the mask body, a first filter component is clamped in the inner side of the clamping ring, the ear ropes can be fixed through the rope buckles in an adjustable locking connection mode through the other ends of the ear ropes and the rope buckles, meanwhile, the length of the ear ropes can be adjusted, the requirement of a user cannot be met, and better use flexibility is achieved;

the first filtering component comprises a frame clamped at the inner side of the clamping ring, the outer circumferential surface of the frame is provided with an annular bulge matched with the clamping groove, the inner side of the frame is fixedly provided with a first filtering component, the frame comprises a pressing frame and a fixing frame, one side of the fixing frame facing the pressing frame is provided with a placing groove, the edge of the first filtering component is clamped in the placing groove, the pressing frame fixing card is used for compressing and fixing the first filtering component at the placing groove, one side of the pressing frame is provided with a plurality of uniformly arranged plugs, the fixing frame is provided with a socket matched with the plugs, the first filtering component is used for filtering dust in the air in the common use, the first filtering component is conveniently disassembled by the first filtering component clamped in the clamping ring, meanwhile, the first filtering component is conveniently replaced without replacing the whole mask by the detachable separation of the pressing frame and the fixing frame, and the mask is reused, the waste of resources is reduced.

Furthermore, a second filtering component is clamped at the inner side of the clamping ring and comprises a filtering cylinder, an annular bulge matched with the clamping groove is arranged at the outer edge of one end of the filtering cylinder, the other end of the filter cylinder is covered with a mesh enclosure, the inner side of the filter cylinder is provided with a second filter component at a position close to the mesh enclosure, and one side of the filtering component is provided with an active carbon filtering screen, one side of the active carbon filtering screen is provided with an air supply plate for blowing air to the inner side of the mask body, the edge of the air supply plate is clamped with the inner side of the filtering cylinder, the second filter component and the activated carbon filter screen arranged in the second filter component realize higher-level filtration of the sucked air, simultaneously with the snap ring can dismantle be connected conveniently to switch the installation and can use the filter component of different filtration grades according to the condition of difference to first filtering component and second filter component, realize using multi-functionally.

Furthermore, the outermost layer of the second filtering component is provided with filtering cotton, an active carbon filtering layer is arranged on one side of the inner side of the filtering cotton, cotton gauze is arranged on one side of the inner side of the active carbon filtering layer, dust is filtered through the filtering cotton, harmful gas and germs are filtered through the active carbon filtering layer, and the set cotton gauze has good skin-friendly performance.

Further, the inboard of cartridge filter be provided with air supply plate complex interior catching groove, and the outside surface of cartridge filter is provided with a plurality of and is the one-way carminative one-way silica gel valve that the circumference form was evenly arranged, realizes avoiding the entering of external air simultaneously to the quick emission of expired gas through the one-way silica gel valve that sets up.

Furthermore, the surface of the air supply plate is provided with air holes which are uniformly distributed, the middle part of the air supply plate is provided with an installation cavity, the inner side of the installation cavity is provided with a battery, the positions of the two ends, close to the air supply plate, of the air supply plate are provided with fans, the fans are electrically connected with the battery, and the fans are driven to rotate through the battery to achieve that the situation that the symptoms of the facial skin are caused by the fact that the facial sultry moisture is avoided while the smooth breathing is guaranteed.

Furtherly, the cover is equipped with slidable regulation's protective sheath on the ear rope, and the protective sheath chooses for use the silica gel material to make, reduces the pressure to the ear through the protective sheath increase ear rope that sets up and user's ear and prevents to cause the pain to the ear.

Further, the gauze mask body includes gauze mask cloth, gauze mask cloth is close to upside border position and is provided with the bridge of the nose layering, and the outside surface of gauze mask is provided with antistatic agent, antistatic agent's inboard sets up to the waterproof cloth of nanometer, and set up to the cotton layer that absorbs water for the inboard of the waterproof cloth of nanometer, avoid producing the electrostatic absorption dust through the antistatic agent that sets up, and the waterproof cloth of nanometer through setting up has better resistant dirty performance and waterproof performance, the cotton layer that absorbs water that sets up realizes guaranteeing the inside dry and comfortable of gauze mask to the absorption of the steam of exhalation.

Further, what the closed ring erected the limit including elasticity, the one end that elasticity erected the limit was passed through bonding strip and gauze mask cloth fixed connection, and the other end that elasticity erected the limit is provided with the contact strake, erects the limit through the elasticity that sets up and the laminating that the contact strake realized the face profile realizes better sealed the gap entering of avoiding the outside air from between gauze mask and the face.

Further, the rope fastening is including fixing the fixed cover on the gauze mask, be provided with in the fixed cover and press the post, and press and be provided with elastic gasket between the inboard bottom of post and fixed cover, press and be provided with the first hole of drawing of wearing that transversely runs through on the post, fixed sheatheeing in be provided with first hole complex second of drawing of wearing and pass the hole, the one end of ear rope will press the outside locking of tightly realizing the ear rope to the drawing of wearing of post through elastic gasket when first passing the hole and the second passes the hole of drawing.

Further, the outside of second filtering component is provided with the non-woven fabrics, and the inboard of non-woven fabrics is provided with the melt-blown fabric, and the inboard of melt-blown fabric is provided with the spunbonded nonwoven, realizes the filtration to the dust through the non-woven fabrics that sets up and the melt-blown fabric.

Compared with the prior art, the invention has the beneficial effects that: 1. the ear rope is fixed by the rope buckle through the other end of the ear rope and the adjustable locking connection of the rope buckle, the length of the ear rope can be adjusted at the same time, the requirement of a user can not be met, the ear rope can be used for better using flexibility, the first filtering component is used for filtering dust in air in common use, the first filtering component clamped in the clamping ring is convenient to disassemble, the replacement of the first filtering component is convenient through the detachable separation of the pressing frame and the fixing frame, the whole mask is not required to be replaced, the repeated use of the mask is realized, and the waste of resources is reduced;

2. the second filtering component and the activated carbon filter screen which are arranged in the second filtering component are used for filtering higher levels of sucked air, meanwhile, the detachable connection with the clamping ring is convenient, the first filtering component and the second filtering component can be switched and installed, and the filtering components with different filtering levels can be used according to different conditions, so that the multifunctional use is realized.

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 view of a first configuration of a mask of the present invention that facilitates replacement of a filter element;

FIG. 2 is a second schematic view of a mask of the present invention with a filter element easily replaced;

FIG. 3 is a schematic view of a mask body of the mask of the present invention with easy replacement of the filter;

FIG. 4 is a schematic view of a mask layout of a mask according to the present invention, which facilitates replacement of a filter element;

FIG. 5 is a schematic view of a closure ring of a mask of the present invention to facilitate replacement of the filter element;

FIG. 6 is a schematic view of a first filter element of a mask of the present invention to facilitate replacement of the filter element;

FIG. 7 is a schematic view of a first filter assembly of a mask of the present invention to facilitate replacement of the filter element;

FIG. 8 is a schematic view of the outer frame of a mask of the present invention to facilitate replacement of the filter element;

FIG. 9 is a schematic view of a cord lock for a mask of the present invention to facilitate replacement of the filter element;

FIG. 10 is a schematic view of a second filter element of a mask of the present invention to facilitate replacement of the filter element;

FIG. 11 is a schematic view of a second filter assembly of a mask of the present invention to facilitate replacement of the filter element;

FIG. 12 is a schematic view of a filter cartridge of a mask of the present invention to facilitate replacement of the filter element;

fig. 13 is a schematic view of an air supply plate of a mask according to the present invention, which facilitates replacement of a filter member.

In the figure: 1. an ear cord; 11. a protective sleeve; 2. a mask body; 21. a mask cloth; 211. an antistatic agent; 212. nano waterproof cloth; 213. a water absorbent cotton layer; 22. a snap ring; 221. a card slot; 23. a mounting cavity; 24. a nose bridge batten; 3. a closed ring; 31. a contact edge strip; 32. bonding the strips; 33. an elastic vertical edge; 4. a first filter element; 41. a frame; 411. pressing the frame; 412. a fixing frame; 413. a placement groove; 414. a plug; 415. a socket; 42. a first filter assembly; 421. non-woven fabrics; 422. melt-spraying cloth; 423. spun-bonded nonwoven fabric; 5. a rope fastener; 51. pressing the column; 52. an elastic pad; 53. fixing a sleeve; 54. a first through hole; 55. a second through hole; 6. a second filter element; 61. a blast plate; 611. a mounting cavity; 612. a battery; 613. a fan; 62. a filter cartridge; 621. a one-way silicone valve; 622. an inner buckle groove; 63. a mesh enclosure; 64. an active carbon filter screen; 65. a second filter assembly; 651. filtering cotton; 652. an activated carbon filter layer; 653. cotton gauze.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Embodiment 1, please refer to fig. 1 and 3 specifically, a mask convenient for replacing a filter element comprises a mask body 2, a mounting cavity 23 is arranged at the middle part of the mask body 2, a snap ring 22 is fixedly arranged at the edge of the mounting cavity 23, an annular snap groove 221 is arranged at the inner side of the snap ring 22, ear cords 1 are arranged at the left and right ends of the mask body 2, one end of each ear cord 1 is fixedly connected with the mask body 2, two ends of the mask body 2 close to the lower side edge are provided with cord buckles 5, the cord buckles 5 are connected with the other ends of the ear cords 1 in an adjustable and locking manner, a protruding closed ring 3 made of a silica gel material is arranged at the position close to the peripheral edge of the front end surface of the mask body 2, the closed ring 3 is arranged to prevent external air from entering the mask through the gap between the mask and the face to affect the filtering effect of the mask, a first filter element 4 is clamped at the inner side of the snap ring 22, the other end through ear rope 1 is connected with the adjustable locking of rope fastening 5 and is realized that rope fastening 5 can adjust the length that can satisfy user's demand when ear rope 1 fixes ear rope 1 and have better use flexibility.

Referring to fig. 6 and 8, the first filter element 4 includes a frame 41 clamped inside the clamping ring 22, an annular protrusion engaged with the clamping groove 221 is disposed on an outer circumferential surface of the frame 41, a first filter element 42 is fixedly disposed on an inner side of the frame 41, the frame 41 includes a pressing frame 411 and a fixing frame 412, a placing groove 413 is disposed on a side of the fixing frame 412 facing the pressing frame 411, an edge of the first filter element 42 is clamped in the placing groove 413, the pressing frame 411 is fixedly clamped in the placing groove 413 to press and fix the first filter element 42, a plurality of uniformly arranged plugs 414 are disposed on one side of the pressing frame 411, a socket 415 engaged with the plug 414 is disposed on the fixing frame 412, the first filter element 42 is used for filtering dust in air during ordinary use, the first filter element 4 can be conveniently detached by the first filter element 4 clamped inside the clamping ring 22, and the first filter element 42 can be conveniently replaced by the detachable separation of the pressing frame 411 and the fixing frame 412 without replacing the first filter element 42 The whole mask needs to be replaced, so that the mask can be reused, and the waste of resources is reduced.

Specifically, referring to fig. 1 and 2, a slidably adjustable protective sleeve 11 is sleeved on the ear rope 1, the protective sleeve 11 is made of a silica gel material, and the protective sleeve 11 is arranged to increase the contact area between the ear rope 1 and the ear of a user, reduce the pressure on the ear and prevent pain on the ear.

Specifically, referring to fig. 3 and 4, the mask body 2 includes a mask cloth 21, a nose bridge trim strip 24 is disposed at a position of the mask cloth 21 close to an upper side edge, an antistatic agent 211 is disposed on an outer side surface of the mask 21, a nano waterproof cloth 212 is disposed inside the antistatic agent 211, a water absorbent cotton layer 213 is disposed inside the nano waterproof cloth 212, static adsorption dust is prevented from being generated by the arranged antistatic agent 211, the nano waterproof cloth 212 has good dirt resistance and waterproof performance, and the water absorbent cotton layer 213 is disposed to adsorb exhaled water vapor to ensure dryness inside the mask.

Specifically, referring to fig. 5, the sealing ring 3 includes an elastic vertical edge 33, one end of the elastic vertical edge 33 is fixedly connected to the mask cloth 21 through an adhesive strip 32, and a contact strip 31 is disposed at the other end of the elastic vertical edge 33, so that the elastic vertical edge 33 and the contact strip 31 are attached to the contour of the face to achieve better sealing and prevent the external air from entering from the gap between the mask and the face.

Specifically, referring to fig. 9, the cord fastener 5 includes a fixing sleeve 53 fixed on the mask cloth 21, a pressing post 51 is provided in the fixing sleeve 53, an elastic gasket 52 is provided between the pressing post 51 and the bottom of the inner side of the fixing sleeve 53, a first penetrating hole 54 transversely penetrating through the pressing post 51 is provided on the pressing post 51, a second penetrating hole 55 matched with the first penetrating hole 54 is provided on the fixing sleeve 53, and when one end of the ear cord 1 penetrates through the first penetrating hole 54 and the second penetrating hole 55, the pressing post 51 is pushed outwards by the elastic gasket 52 to lock and fix the penetrating ear cord 1.

Specifically, referring to fig. 7, the outside of the second filter assembly 42 is provided with a non-woven fabric 421, the inside of the non-woven fabric 421 is provided with a meltblown fabric 422, the inside of the meltblown fabric 422 is provided with a spunbonded non-woven fabric 423, the spunbonded non-woven fabric 423 has good skin-friendly performance, the wearing comfort of the mask is improved, and the dust is filtered through the non-woven fabric 421 and the meltblown fabric 422.

Embodiment 2, referring to fig. 2 and 10 in particular, a second filtering component 6 is clamped inside the snap ring 22, the second filtering component 6 includes a filter cylinder 62, an annular protrusion matching with the snap groove 221 is arranged on an outer edge of one end of the filter cylinder 62, a mesh cover 63 is covered on the other end of the filter cylinder 62, a second filtering assembly 65 is arranged on the inner side of the filter cylinder 62 near the mesh cover 63, an activated carbon filter screen 64 is arranged on one side of the filtering assembly 65, an air supply plate 61 blowing air to the inner side of the mask body 2 is arranged on one side of the activated carbon filter screen 64, the edge of the air supply plate 61 clamps the inner side of the filter cylinder 62, a higher-level filtering of the sucked air is realized through the second filtering assembly 65 and the activated carbon filter screen 64 arranged in the second filtering component 6, and the detachable connection with the snap ring 22 facilitates the switching installation of the first filtering assembly 42 and the second filtering component 6, which can use filtering components with different filtering levels according to different situations, the multifunctional use is realized.

Specifically, as shown in fig. 11, the outermost layer of the second filter assembly 65 is provided with filter cotton 651, one side of the inner side of the filter cotton 651 is provided with an activated carbon filter layer 652, one side of the inner side of the activated carbon filter layer 652 is provided with cotton gauze 653, the filter cotton 651 is used for filtering dust, the activated carbon filter layer 652 is used for filtering harmful gas and germs, and the arranged cotton gauze 653 has good skin-friendly property.

Specifically, referring to fig. 12, the inner side of the filter cartridge 62 is provided with an inner catching groove 622 matching with the blowing plate 61, and the outer side surface of the filter cartridge 62 is provided with a plurality of unidirectional air exhaust unidirectional silica gel valves 621 uniformly arranged in a circumferential manner, so that the exhaled air is rapidly discharged through the arranged unidirectional silica gel valves 621 while the outside air is prevented from entering.

Specifically, referring to fig. 13, the surface of the air supply plate 61 is provided with uniformly arranged air holes, the middle portion of the air supply plate 61 is provided with an installation cavity 611, the inside of the installation cavity 611 is provided with a battery 612, the positions of the air supply plate 61 near the two ends are provided with fans 613, the fans 613 are electrically connected with the battery 612, and the fans 613 are driven by the power supplied by the battery 612 to rotate, so that the smooth breathing of the air blown to the face is ensured, and the symptoms of the facial skin caused by the hot and humid facial part are avoided.

The working principle is that when the common filter is used, the length of the ear rope 1 is adjusted by pressing the pressing column 51 until the wearing tightness is just and comfortably, the mask is worn, then the protective sleeve 11 is adjusted to the position of the ear so that the protective sleeve 11 is clamped at the ear clip to realize wearing of the mask, when the mask is worn, a gap between the mask and the face is sealed by the sealing ring 3, air is normally filtered by the first filter assembly 42 during breathing, when the first filter assembly 42 is replaced, the first filter assembly 4 is detached, then the pressing frame 411 and the fixing frame 412 are detached, the first filter assembly 42 is replaced, when the higher-requirement filter is needed, the first filter assembly 4 is detached, the second filter assembly 6 is installed and fixed at the inner side of the clamping ring 22, when the fan 613 on the air supply plate 61 is opened, the fan 613 is enabled to work by opening a switch at the electric connection part of the fan 613 and the battery 612, the fan 613 blows air continuously to blow out the outside filtered air to the face to ensure the cool face, the second filtering component 65 and the activated carbon filtering net 64 are used for filtering and disinfecting harmful gases and germs in the air and filtering and purifying the air when the air is inhaled, and the exhaled carbon dioxide is discharged to the outside through the one-way silica gel valve 621 when the air is exhaled.

The device obtained by the design can basically meet the requirements of the existing mask on multifunction use, repeated use, resource waste avoidance and good use flexibility, but the designer further improves the device with the aim of further improving the functions.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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

1. The utility model provides a gauze mask convenient to change filter component, includes gauze mask body (2), its characterized in that: the mask comprises a mask body (2), and is characterized in that an installation cavity (23) is arranged in the middle of the mask body (2), a clamping ring (22) is fixedly arranged at the edge of the installation cavity (23), an annular clamping groove (221) is formed in the inner side of the clamping ring (22), ear ropes (1) are arranged at the left end and the right end of the mask body (2), one end of each ear rope (1) is fixedly connected with the mask body (2), rope buckles (5) are arranged at the two ends, close to the lower side edge, of the mask body (2), the rope buckles (5) are connected with the other ends of the ear ropes (1) in an adjustable locking mode, a protruding sealing ring (3) made of a silica gel material is arranged on the front end face, close to the peripheral edge, of the mask body (2), and a first filtering component (4) is clamped on the inner side of the clamping ring (22);

first filtering part (4) is including clamping frame (41) at snap ring (22) inboard, the outside periphery of frame (41) is provided with draw-in groove (221) complex annular protruding, and the inboard of frame (41) is fixed and is provided with first filtering component (42), frame (41) is including pressing frame (411) and fixed frame (412), fixed frame (412) are provided with standing groove (413) towards one side of pressing frame (411), the edge card of first filtering component (42) is in standing groove (413), press frame (411) fixed card to compress tightly fixedly first filtering component (42) in standing groove (413) department, one side of pressing frame (411) is provided with a plurality of align to grid's plug (414), be provided with on fixed frame (412) with plug (414) complex socket (415).

2. The mask convenient to replace a filter element according to claim 1, wherein a second filter element (6) is clamped on the inner side of the clamping ring (22), the second filter element (6) comprises a filter cylinder (62), an annular protrusion matched with the clamping groove (221) is arranged on the outer edge of one end of the filter cylinder (62), a mesh cover (63) is covered on the other end of the filter cylinder (62), a second filter assembly (65) is arranged on the position, close to the mesh cover (63), of the inner side of the filter cylinder (62), an active carbon filter screen (64) is arranged on one side of the filter assembly (65), an air supply plate (61) for blowing air to the inner side of the mask body (2) is arranged on one side of the active carbon filter screen (64), and the edge of the air supply plate (61) clamps the inner side of the filter cylinder (62).

3. The mask convenient for replacing the filter component as claimed in claim 2, wherein the outermost layer of the second filter assembly (65) is provided with filter cotton (651), and one side of the inner side of the filter cotton (651) is provided with an activated carbon filter layer (652), and one side of the inner side of the activated carbon filter layer (652) is provided with cotton gauze (653).

4. The mask convenient for replacing the filter element according to claim 3, wherein the inside of the filter cartridge (62) is provided with an inner catching groove (622) matched with the air supply plate (61), and the outer surface of the filter cartridge (62) is provided with a plurality of unidirectional silica gel valves (621) which are uniformly arranged in a circumferential manner and can exhaust air in one direction.

5. The mask convenient for replacing the filtering component as claimed in claim 4, wherein the surface of the air supply plate (61) is provided with uniformly distributed air holes, the middle part of the air supply plate (61) is provided with an installation cavity (611), the inner side of the installation cavity (611) is provided with a battery (612), the positions of the air supply plate (61) close to the two ends are both provided with fans (613), and the fans (613) are electrically connected with the battery (612).

6. The mask convenient for replacing the filtering component according to claim 5, wherein the ear rope (1) is sleeved with a protective sleeve (11) capable of being slidably adjusted, and the protective sleeve (11) is made of silica gel material.

7. The mask convenient for replacing the filter component according to claim 6, wherein the mask body (2) comprises a mask cloth (21), a nose bridge pressing strip (24) is arranged at a position, close to the upper side edge, of the mask cloth (21), an antistatic agent (211) is arranged on the outer side surface of the mask (21), the inner side of the antistatic agent (211) is provided with a nano waterproof cloth (212), and the inner side of the nano waterproof cloth (212) is provided with a water absorption cotton layer (213).

8. Mask according to claim 7, characterized in that the closing ring (3) comprises an elastic vertical edge (33), one end of the elastic vertical edge (33) is fixedly connected with the mask cloth (21) through an adhesive strip (32), and the other end of the elastic vertical edge (33) is provided with a contact edge strip (31).

9. The mask convenient for replacing the filtering component according to claim 8, wherein the cord fastener (5) comprises a fixing sleeve (53) fixed on the mask cloth (21), a pressing column (51) is arranged in the fixing sleeve (53), an elastic gasket (52) is arranged between the pressing column (51) and the inner bottom of the fixing sleeve (53), a first penetrating hole (54) transversely penetrates through the pressing column (51), and a second penetrating hole (55) matched with the first penetrating hole (54) is arranged on the fixing sleeve (53).

10. The mask convenient for replacing the filtering component according to claim 9, wherein the outside of the second filtering component (42) is provided with a non-woven fabric (421), the inside of the non-woven fabric (421) is provided with a melt-blown fabric (422), and the inside of the melt-blown fabric (422) is provided with a spun-bonded non-woven fabric (423).