CN212814406U - Protective mask - Google Patents
Protective mask Download PDFInfo
- Publication number
- CN212814406U CN212814406U CN202020502468.1U CN202020502468U CN212814406U CN 212814406 U CN212814406 U CN 212814406U CN 202020502468 U CN202020502468 U CN 202020502468U CN 212814406 U CN212814406 U CN 212814406U
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- China
- Prior art keywords
- layer
- mask body
- mask
- filter disc
- air inlet
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- 230000001681 protective effect Effects 0.000 title claims abstract description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000010030 laminating Methods 0.000 claims abstract description 13
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 10
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 9
- 239000004743 Polypropylene Substances 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 8
- -1 polypropylene Polymers 0.000 claims abstract description 8
- 229920001155 polypropylene Polymers 0.000 claims abstract description 8
- 239000000741 silica gel Substances 0.000 claims abstract description 8
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 8
- 210000005069 ears Anatomy 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000002131 composite material Substances 0.000 claims abstract description 4
- 238000009423 ventilation Methods 0.000 claims description 23
- 239000000835 fiber Substances 0.000 claims description 8
- 229920001661 Chitosan Polymers 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 58
- 230000000694 effects Effects 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 7
- 238000001914 filtration Methods 0.000 description 5
- 230000029058 respiratory gaseous exchange Effects 0.000 description 4
- 230000036541 health Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001815 facial effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
A protective mask comprises a mask body, fixing lugs and a hanging rope; the two fixing ears are respectively positioned on two sides of the mask body; the fixed lug is connected with a hanging rope; an air inlet valve and an air outlet valve are arranged on the mask body; the mask body comprises an outer layer, a middle layer, a filter disc and an attaching layer, wherein the middle layer is provided with a clamping groove; the filter disc is detachable and replaceable, and is positioned in the clamping groove of the middle layer; the outer layer is made of polypropylene spun-bonded non-woven fabric, the middle layer is made of multi-layer polypropylene melt-blown composite non-woven fabric, and the filter disc comprises an ultrafiltration layer, an activated carbon layer and an antibacterial layer; the fit layer is positioned at the outer edge of the mask body; the mask comprises a mask body, a fitting layer, a nose bridge strip, an air inlet valve, an air outlet valve and a plurality of air inlet sheets, wherein the fitting layer is made of soft silica gel, the nose bridge strip is embedded in the middle of the top of the fitting layer, and the air inlet sheets and the air outlet sheets are arranged in a unidirectional mode, so that a mask wearer can breathe smoothly; the filter disc can be replaced to improve the utilization rate of the mask; the laminating layer adopts the silica gel material, adaptable different types of face.
Description
Technical Field
The utility model relates to a gauze mask technical field, more specifically say, in particular to protective mask.
Background
Most gauze masks on the market, in order to reach good filter effect, the thickness of gradual increase filter layer for the inside air current of gauze mask is not smooth, causes the user comfort level not high, and the filter effect is not good. Particularly, for medical staff and in various air pollution situations, a protective mask which has good filtering effect and can breathe smoothly is urgently needed.
SUMMERY OF THE UTILITY MODEL
(1) Technical problem
Therefore, how to solve the problems of poor filtering effect of the mask and unsmooth breathing of the wearer in the prior art becomes a problem to be solved urgently by those skilled in the art.
(2) Technical scheme
In view of the above problems, the present invention provides a protective mask.
A protective mask comprises a mask body, fixing lugs and a hanging rope;
the two fixing ears are respectively positioned on two sides of the mask body; the fixed lug is connected with a hanging rope;
an air inlet valve and an air outlet valve are arranged on the mask body;
the mask body comprises an outer layer, a middle layer, a filter disc and an attaching layer, wherein the outer layer and the middle layer are consistent in shape and outline, the middle layer is provided with two clamping grooves, and the two clamping grooves are symmetrically arranged and are arranged left and right or up and down; the filter disc is detachable and replaceable, and is positioned in the clamping groove of the middle layer; the outer layer is made of polypropylene spun-bonded non-woven fabric, the middle layer is made of multi-layer polypropylene melt-blown composite non-woven fabric, and the filter disc comprises an ultrafiltration layer, an activated carbon layer and an antibacterial layer;
the fit layer is positioned at the outer edge of the mask body; the laminating layer adopts soft silica gel material, the intermediate position at laminating layer top is embedded to have the bridge of the nose strip.
Furthermore, the ultrafiltration layer adopts a three-dimensional ultrafiltration membrane.
Furthermore, the activated carbon layer adopts a nano activated carbon fiber felt.
Furthermore, the antibacterial layer is made of non-woven fabrics made of nano chitosan fibers.
Further, the air inlet valve penetrates through the outer layer and the middle layer of the mask body; the air inlet valve is provided with at least one air inlet valve; the air inlet valve is sequentially provided with a filter disc and a one-way ventilation disc from outside to inside, and the composition of the filter disc is consistent with that of the filter disc.
Further, the air outlet valve penetrates through the outer layer and the middle layer of the mask body; the air outlet valve is provided with at least one and is provided with a one-way ventilation sheet.
Further, the one-way ventilation piece is a disc body with a plurality of through holes, the through holes in one side of the disc body are provided with blocking pieces, one end of each blocking piece is fixed to the disc body, the other end of each blocking piece is a movable end and completely shields the through holes, and one-way ventilation of gas on one side of each blocking piece from one side of the corresponding blocking piece can be achieved.
Furthermore, one side of the one-way ventilation piece of the air inlet valve, which is not provided with the separation blade, faces away from the human face, and one side of the one-way ventilation piece of the air outlet valve, which is not provided with the separation blade, faces towards the human face.
Further, the air inlet valve is arranged on the filter disc; the air outlet valve penetrates through the outer layer and the middle layer of the mask body.
(3) Advantageous effects
The utility model has the advantages that: the multi-layer design of the mask body and the filter disc ensures efficient filtering of the mask.
And due to the arrangement of the unidirectional ventilation pieces in the air inlet valve and the air outlet valve, the breathing smoothness of a mask wearer is guaranteed, the inhaled air is clean air, and the breathing waste gas is effectively discharged out of the mask, so that the mask is more beneficial to health and is particularly suitable for sick people.
And the filter disc can be replaced to improve the utilization rate of the mask.
The adhesive layer is made of silica gel and can adapt to different facial shapes; the middle position at the top of the laminating layer is embedded with a nose bridge strip, so that the outline of the mask at the nose bridge can be adjusted, and the mask is particularly suitable for glasses wearers.
Drawings
Fig. 1 is a schematic view of the whole structure of the protective mask, fig. 2 is a schematic view of a part of the structure of the mask body, fig. 3 is a schematic view of an air inlet valve, fig. 4 is a schematic view of an air outlet valve, fig. 5 is a schematic view of an open state of a one-way vent sheet, and fig. 6 is a schematic view of a closed state of the one-way vent sheet.
In the figure: 1. a mask body; 11. an outer layer; 12. an intermediate layer; 121. a card slot; 13. a filter disc; 14. laminating layers; 15. a nose bridge strip; 2. fixing the ear; 3. hanging a rope; 4. an intake valve; 5. and an air outlet valve.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
In the description of the present invention, the terms "upper", "lower", "front", "rear", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Specific example 1: as shown in fig. 1-6, a protective mask comprises a mask body 1, fixing ears 2 and a hanging rope 3; two fixing ears 2 are arranged and are respectively positioned on two sides of the mask body; the fixed lug 2 is connected with a hanging rope 3; the mask body is provided with an air inlet valve 4 and an air outlet valve 5; the air inlet valve is provided with at least one air inlet valve; the air inlet valve is sequentially provided with a filter disc and a one-way ventilation disc from outside to inside, and the filter disc is consistent with the filter disc in composition. The air outlet valve is provided with at least one and is provided with a one-way ventilation sheet.
The mask body 1 comprises an outer layer 11, a middle layer 12, a filter disc 13 and a laminating layer 14, wherein the outer layer 11 and the middle layer 12 are consistent in shape and outline, and the middle layer 12 is provided with a clamping groove 121; the filter disc 13 can be detached and replaced, the filter disc 13 is positioned in the clamping grooves 121 of the middle layer 12, and two clamping grooves are symmetrically arranged and are arranged left and right or up and down; the outer layer 11 adopts polypropylene fiber spunbonded nonwoven, and the middle layer 12 adopts multilayer polypropylene fiber melt-blown composite nonwoven, which has high-efficiency filtering effect on 0.03 micron PM2.5 particles. The filter disc 13 comprises an ultrafiltration layer, an activated carbon layer and a bacteria inhibiting layer; the three-dimensional ultrafiltration membrane is adopted in the ultrafiltration layer, and the protection effect on haze PM2.5 particles is as high as 99%; the activated carbon layer is made of a nano activated carbon fiber felt, the fiber diameter of the activated carbon fibers adopted by the activated carbon layer is 5-20 mu m, and the average specific surface area is 1000-1500 m2About/g, the average pore diameter is 1.0-4.0 nm, and micropores are uniformly distributed on the surface of the fiber; the antibacterial layer adopts the non-woven fabrics that nanometer chitosan fiber made, because chitosan fiber has apparent antibacterial antimildew effect, consequently, this filter element is ventilative comfortable, is difficult for dirty to have antibacterial action, improve and wear the health.
The attaching layer 14 is positioned at the outer edge of the mask body 1; the laminating layer adopts soft silica gel material, because the flexible elasticity of soft silica gel material self, can laminate the face well when the gauze mask is worn. The nose bridge strip 15 is embedded in the middle of the top of the laminating layer and made of polyolefin resin, and the nose bridge strip is bent and deformed along with the action of external force like a metal wire, does not rebound after losing the action of the external force, keeps the original excellent performance of unchanged shape and plays a role in fixing the mask on the nose bridge. The laminating layer adopts ergonomic design, and the human face is hugged closely in better cooperation, avoids external pollution.
Because the one-way ventilation piece is a disc body provided with a plurality of through holes, the through holes on one side of the disc body are respectively provided with a baffle, one end of the baffle is fixed with the disc body, the other end of the baffle is a movable end and completely shields the through holes, and the one-way ventilation of gas from one side without the baffle to one side with the baffle can be realized, as shown in fig. 5 and 6. The air outlet valve is closed when a user inhales air, and air completely enters from the air inlet valve; when exhaling, the air outlet valve is opened, and the smooth expiration of the user is ensured. The unidirectional ventilation sheet can ensure that the opening and closing of the mask body is adjusted and controlled according to the pressure intensity in the mask body in the using process, so that the smooth air outlet of a user in the using process is ensured, and the stuffiness feeling is reduced. Due to the structure of the one-way ventilation sheet and technical terms of the prior art, the structure of the one-way ventilation sheet is only briefly described in conjunction with fig. 5 and 6.
Therefore, in the process of using the protective mask, the side, without the blocking piece, of the one-way ventilation piece of the air inlet valve faces back to the face of a person, and the side, without the blocking piece, of the one-way ventilation piece of the air outlet valve faces towards the face of the person.
In the second embodiment, a protective mask comprises a mask body 1, fixing lugs 2 and a hanging rope 3; two fixing ears 2 are arranged and are respectively positioned on two sides of the mask body; the fixed lug 2 is connected with a hanging rope 3; the mask body 1 comprises an outer layer 11, a middle layer 12, a filter disc 13 and a laminating layer 14, wherein an air inlet valve 4 and an air outlet valve 5 are arranged on the mask body;
wherein, the air inlet valve is arranged on the filter disc; the air outlet valve penetrates through the outer layer and the middle layer of the mask body. The admission valve sets up on the filter element, can ensure that inspiratory air is the clean air after gauze mask body skin and intermediate level filter, and the air outlet valve sets up in the position that runs through the gauze mask body, and the guarantee exhaled waste gas can discharge the gauze mask outside.
The protective masks in the first embodiment and the second embodiment have the following advantages: the multi-layer design of the mask body and the filter disc ensures the efficient filtration of the mask; the arrangement of the one-way ventilation piece in the air inlet valve and the air outlet valve ensures that a mask wearer can breathe smoothly, and meanwhile, the inhaled air is clean air, and the breathing waste gas is effectively discharged out of the mask, so that the mask is more beneficial to health and is particularly suitable for sick people; the filter disc can be replaced to improve the utilization rate of the mask; the adhesive layer is made of silica gel and can adapt to different facial shapes; the middle position at the top of the laminating layer is embedded with a nose bridge strip, so that the outline of the mask at the nose bridge can be adjusted, and the mask is particularly suitable for glasses wearers.
The present invention is not limited to the above embodiments, and any person can obtain other products in various forms according to the teaching of the present invention. All the equivalent changes and modifications made according to the claims of the present invention shall fall within the scope of the present invention.
Claims (9)
1. A protective mask is characterized in that: comprises a mask body, a fixing lug and a hanging rope;
the two fixing ears are respectively positioned on two sides of the mask body; the fixed lug is connected with a hanging rope;
an air inlet valve and an air outlet valve are arranged on the mask body;
the mask body comprises an outer layer, a middle layer, a filter disc and an attaching layer, wherein the outer layer and the middle layer are consistent in shape and outline, the middle layer is provided with two clamping grooves, and the two clamping grooves are symmetrically arranged and are arranged left and right or up and down; the filter disc is detachable and replaceable, and is positioned in the clamping groove of the middle layer; the outer layer is made of polypropylene spun-bonded non-woven fabric, the middle layer is made of multi-layer polypropylene melt-blown composite non-woven fabric, and the filter disc comprises an ultrafiltration layer, an activated carbon layer and an antibacterial layer;
the fit layer is positioned at the outer edge of the mask body; the laminating layer adopts soft silica gel material, the intermediate position at laminating layer top is embedded to have the bridge of the nose strip.
2. The protective mask according to claim 1, wherein:
the ultrafiltration layer adopts a three-dimensional ultrafiltration membrane.
3. The protective mask according to claim 2, wherein: the activated carbon layer adopts a nano activated carbon fiber felt.
4. A protective mask according to claim 3, wherein: the antibacterial layer is made of non-woven fabrics made of nano chitosan fibers.
5. The protective mask according to claim 4, wherein: the air inlet valve penetrates through the outer layer and the middle layer of the mask body; the air inlet valve is provided with at least one air inlet valve; the air inlet valve is sequentially provided with a filter disc and a one-way ventilation disc from outside to inside, and the composition of the filter disc is consistent with that of the filter disc.
6. The protective mask according to claim 5, wherein: the air outlet valve penetrates through the outer layer and the middle layer of the mask body; the air outlet valve is provided with at least one and is provided with a one-way ventilation sheet.
7. The protective mask according to claim 5 or 6, wherein: the one-way ventilation piece is a disc body with a plurality of through holes, the through holes on one side of the disc body are provided with baffle pieces, one end of each baffle piece is fixed with the disc body, the other end of each baffle piece is a movable end and completely shields the through holes, and the one-way ventilation of gas on one side of each baffle piece from the side without the baffle piece is realized.
8. The protective mask according to claim 7, wherein: the one-way ventilation piece of admission valve does not have separation blade one side back to people's face, the one-way ventilation piece of air outlet valve does not have separation blade one side towards people's face.
9. A protective mask according to claim 3, wherein: the air inlet valve is arranged on the filter disc; the air outlet valve penetrates through the outer layer and the middle layer of the mask body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020502468.1U CN212814406U (en) | 2020-04-08 | 2020-04-08 | Protective mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020502468.1U CN212814406U (en) | 2020-04-08 | 2020-04-08 | Protective mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212814406U true CN212814406U (en) | 2021-03-30 |
Family
ID=75113825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020502468.1U Active CN212814406U (en) | 2020-04-08 | 2020-04-08 | Protective mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212814406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116530752A (en) * | 2023-05-30 | 2023-08-04 | 重庆科技学院 | Modularized bionic filter mask based on heart valve tricuspid valve structure |
-
2020
- 2020-04-08 CN CN202020502468.1U patent/CN212814406U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116530752A (en) * | 2023-05-30 | 2023-08-04 | 重庆科技学院 | Modularized bionic filter mask based on heart valve tricuspid valve structure |
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