CN219047474U - Gauze mask for preventing and controlling virus infectious disease - Google Patents
Gauze mask for preventing and controlling virus infectious disease Download PDFInfo
- Publication number
- CN219047474U CN219047474U CN202222758786.6U CN202222758786U CN219047474U CN 219047474 U CN219047474 U CN 219047474U CN 202222758786 U CN202222758786 U CN 202222758786U CN 219047474 U CN219047474 U CN 219047474U
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- flexible
- mask
- lining support
- mesh enclosure
- mask body
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- 241000700605 Viruses Species 0.000 title claims abstract description 13
- 208000035473 Communicable disease Diseases 0.000 title claims description 15
- 208000015181 infectious disease Diseases 0.000 title claims description 3
- 239000004033 plastic Substances 0.000 claims abstract description 28
- 229920003023 plastic Polymers 0.000 claims abstract description 28
- 239000006260 foam Substances 0.000 claims abstract description 26
- 239000004816 latex Substances 0.000 claims abstract description 9
- 229920000126 latex Polymers 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 6
- 239000004744 fabric Substances 0.000 claims description 21
- 238000001914 filtration Methods 0.000 claims description 7
- 229920001169 thermoplastic Polymers 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 4
- 239000005060 rubber Substances 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000002985 plastic film Substances 0.000 claims description 2
- 229920006255 plastic film Polymers 0.000 claims description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 2
- 230000003612 virological effect Effects 0.000 claims 8
- 230000006806 disease prevention Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 5
- 241000894006 Bacteria Species 0.000 abstract description 3
- 244000052769 pathogen Species 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 abstract description 2
- 239000002574 poison Substances 0.000 abstract description 2
- 231100000614 poison Toxicity 0.000 abstract description 2
- 230000009385 viral infection Effects 0.000 abstract description 2
- 231100000481 chemical toxicant Toxicity 0.000 abstract 1
- 201000010099 disease Diseases 0.000 abstract 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract 1
- 239000010419 fine particle Substances 0.000 abstract 1
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- 230000002155 anti-virotic effect Effects 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 206010051788 Sticky skin Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 238000009423 ventilation Methods 0.000 description 1
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Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The mask comprises a mask body, a filter layer, a lining support, a nose clip and an ear strap or a head strap, wherein the mask body is a flexible mask body, the lining support is a flexible lining support, the periphery of the flexible mask body or/and the flexible lining support close to a human face is provided with a leak-proof flexible inner curled edge or a leak-proof latex membrane snare or a leak-proof moisture-absorbing foam plastic strip, the flexible mask body is covered on the flexible lining support, the filter layer is arranged between the flexible lining support body and the flexible mask body, the ear strap or the head strap is an adjustable ear strap or head strap, and the ear strap is arranged on the left side and the right side of the flexible mask body; the head bands are arranged at the left side and the right side or the upper end and the lower end of the flexible mesh enclosure. The mask has good sealing performance and low total leakage rate, and can prevent pathogens such as viruses, bacteria and the like and fine particles and toxic chemical substances from entering; by changing filter materials with different functions, the mask can be used for preventing virus infection diseases and smoke, dust and poison; is comfortable to wear.
Description
Technical Field
The utility model relates to a mask for preventing and controlling virus infectious diseases, in particular to a flexible net cover type mask for preventing and controlling virus infectious diseases.
Background
When the conventional common medical protective mask is worn, the side wall of the mask is incompletely attached to the face, particularly gaps can be formed in the inhalation and exhalation processes, so that pathogens such as viruses and bacteria are easy to enter from the gaps between the edge of the mask and the skin of the face, the due protective effect can not be achieved, and when epidemic situation is transmitted seriously, the potential safety hazard is large; the existing improved filter cloth type mask with simple and easy filter cloth replacement is hard in main body material, heavy in quality, difficult to store, poor in sealing performance, not ideal in virus protection effect and uncomfortable to wear.
CN215685029U discloses a gauze mask, which comprises a housin, the back fixed surface of casing is connected with the laminating layer, the back fixed surface of laminating layer is connected with first bed course, the preceding fixed surface of casing is connected with the breather valve, the inside fixedly connected with of breather valve filters the gauze, the inside of breather valve just is located the rear side fixedly connected with active carbon filter screen of filtering the gauze, the inside fixedly connected with base of laminating layer. The shell and the base are rigid shells and rigid bases, so that the weight is large, the whole structure is complex, and the sealing performance and the anti-virus effect are poor; the manufacturing equipment has high price and the mask has high manufacturing cost; the filter gauze and the active carbon filter screen are difficult to replace and can be only discarded integrally after being used once, so that the use cost is high; therefore, the method is difficult to popularize and apply widely.
Disclosure of Invention
The utility model aims to solve the technical problems of overcoming the defects in the prior art and providing the mesh cover type mask for preventing and controlling the virus infectious diseases, which has the advantages of simple structure, good side leakage prevention performance, low manufacturing cost, convenient use, comfortable wearing, excellent virus protection effect and convenient filter cloth replacement.
The technical scheme adopted for solving the technical problems is as follows: the mask comprises a mask body, a filter layer, a lining support, a nose clip and an ear strap or a head strap, wherein the mask body is a flexible mask body, the lining support is a flexible inner village support, the periphery of the flexible mask body or/and the flexible lining support close to a human face is provided with a flexible leak-proof inner curled edge, or a leak-proof latex film snare or/and a leak-proof moisture-absorbing foam plastic strip, the flexible mask body is covered on the flexible lining support, the filter layer is arranged between the flexible lining support and the flexible mask body, the ear strap or the head strap is an adjustable ear strap or head strap, and the ear strap is arranged on the left side and the right side of the flexible mask body; the head bands are arranged at the left side and the right side or the upper end and the lower end of the flexible mesh enclosure.
Furthermore, the radian and the size of the face of the flexible leak-proof inner curled edge respectively accord with the radian and the size of the head shape of a man and a woman specified by Chinese national standard GB/T2428-1981. By the design, the mask can meet the requirements of the optimal force points around the face and 4 parts of the face after being worn tightly; is easy to be matched with different facial forms, and is stable and comfortable to wear.
Further, the flexible leak-proof inner curled edge is formed by thermoplastic plastic or rubber through one-time injection molding or is made of elastic latex, rubber, high-elasticity plastic films or airtight chemical fiber high-elasticity thin cloth; the length of the inner circle of the periphery is less than or equal to 1-10mm of the outer periphery of the flexible inner village support so as to compress the periphery of the filter layer to the periphery of the flexible inner village support.
Further, a serrated backstop adjusting hook or a sheet backstop adjusting hook is arranged on one side of the ear belt; the two ends of the headband are provided with a backstop adjusting ring, a backstop adjusting pipe or a double-groove backstop adjusting piece.
Further, the ribs in the middle of the flexible lining support are thinner S-shaped, V-shaped, O-shaped and other flexible ribs; the lining bracket has the elastic deformation shrinkage function, so that the lining bracket is convenient to fold, store and keep; and can ensure that the filter layer is not damaged when the mask is contracted and folded.
Further, the cross section size of the thinner flexible ribs is 1/2-1/5 of the cross section size of the ribs of other parts of the flexible inner village bracket.
Further, the protruding part of the flexible lining support corresponding to the mouth and nose of a person exceeds the height of the nose by 0.2-3cm (preferably 0.3-1 cm). So as to avoid the contact between the mouth and nose of the wearer and the mask body, thereby reducing dead space and respiratory resistance and avoiding the influence on the visual field due to overhigh; ventilation space (dead space) is less than or equal to 100cm 3 The protective effect on viruses is better because the protective effect is more comfortable to wear.
Further, the flexible lining support is close to the part of the flexible leak-proof inner curled edge arranged on the periphery of the face and corresponding to the nose bridge of a person, and the protruding height in the direction of the ridge of the nose bridge and the width of the two sides of the nose root exceed the width of the inner curled edges of the left side and the right side of the mask by 0.2 cm to 2cm, so that the flexible inner curled edge nose clip is formed. This design can replace the single metal strip nose clip.
Further, the flexible liner support frame is made of thermoplastic. The manufacturing process is simple and convenient.
Further, the width of the leakage-proof and moisture-absorbing foam plastic strip arranged on the periphery of the flexible lining support close to the face is 0.5-2cm, and the thickness is 0.4-1cm.
Further, the leakproof moisture absorption foam plastic strip is a leakproof moisture absorption high-elasticity foam plastic strip. The foam plastic strip has better sealing performance and is more comfortable to wear.
Further, the filter layer is made of filter materials such as electrostatic filter cloth, dustproof non-imitation felt or/and gas-defense dipping carbon fiber felt. An electrostatic filter cloth filter layer has the main function of preventing virus. If the filter layer is made of multiple filter materials, the mask made of the filter layer can prevent virus infection, smoke, dust, poison and the like, and has multiple functions.
Further, the filter cloth is electrostatic filter cloth with different filtering grades. For example, an electrostatic filter cloth having a filtration efficiency of 99%, 99.9% or 99.97%, respectively. Thus, the protection grade of the mask can respectively reach the level of not less than N95.
Further, the electrostatic filter cloth is bare-edge electrostatic filter cloth; the width of the bare edge is 0.4-2cm. This is advantageous for further enhancing the sealability of the mask.
Further, the lower part of the flexible mesh enclosure or the flexible internal village support is provided with a flexible jaw bag. To further enhance the sealing performance of the mask. The flexible bag chin pocket can be formed by integrally injection-molding a flexible leakproof inner curled edge at the lower end of a flexible net cover or a flexible inner village bracket and a flexible leakproof inner curled edge, so that the manufacturing process is simplified.
Further, the flexible mesh enclosure is made of thermoplastic mesh or chemical fiber mesh and the like.
Further, the flexible liner support is replaced by a foam plastic flexible liner; the inner side of the periphery of the foam plastic soft lining is provided with a leakage-proof sealing foam plastic ring, and the periphery circumference is more than or equal to 1-10mm of the inner circle length of the periphery of the flexible net cover, so that the periphery of the filtering layer is tightly lined. The thickness of the foam plastic soft lining is 0.3-1cm. The foam plastic soft lining can absorb moisture, and improves the protection efficiency and the use comfort. The foam plastic soft lining is porous and has high moisture absorption.
Further, a strip-shaped plastic leakage-proof sealing ring is arranged on the inner side of the periphery of the foam plastic soft lining.
Further, the outer side of the flexible mesh enclosure is provided with a breathable plastic rain cover. Is suitable for being worn in rainy days.
According to the utility model, the flexible inner edge-sealing is arranged on the inner side of the periphery of the flexible mesh enclosure or/and the flexible lining support, or the anti-leakage latex film is sleeved with or/and the moisture-absorption anti-leakage foam plastic strip is arranged on the inner side of the periphery of the flexible lining support, so that the mask can be better attached to the face, gaps can not appear between the mask and the face even in the process of large-mouth inhalation and exhalation, and the mask can be prevented from entering the lung by pathogens such as viruses and bacteria, particulate matters such as dust, harmful chemical substances such as toxic gases and the like; the skin care cream with high viscosity is coated on the inner curled edge or the leakage-proof ring sleeve, the total leakage rate of the mask is less than 1.0% at most, and the protection effect is further improved; the filter material is convenient to replace, the flexible net cover is only required to be taken down from the flexible inner village support, the used old filter material is taken out, the new filter material is put in, and the flexible net cover is returned to the original position, so that the filter cloth with different filtering functions and different filtering efficiencies can be replaced to carry out operation in different levels of risk areas, and also can carry out large-scale operation in dust, toxic gas and other environments; only one filter cloth can be discarded at a time, so that the use is cheap; the highest anti-virus effect can reach 99%; in the preferred scheme, the optimal interval is arranged at the position of the flexible lining support corresponding to the mouth and nose of a person, so that the mouth and nose of the person are prevented from directly contacting with the mask body, the respiratory resistance can be reduced, and the wearing is more comfortable; the ear belt hooks are arranged, the ear belt can be converted into a head belt for use, so that the flexible inner edge of the flexible net cover or the flexible lining bracket can be curled or the flexible latex-proof film is sleeved, the leakproof moisture-absorbing foam plastic strips can be better attached to the face, the sealing performance is better, and the protection effect can be further improved; the setting wears the back of elasticity adjustable ear strap or bandeau and ends the regulating plate, and can not make the ear root appear uncomfortable and feel, can further improve gauze mask sealing performance and wear the comfort level.
By changing different filter materials, the mask disclosed by the utility model can be used for preventing infectious diseases with different risks, and can also be used for smoke prevention, dust prevention, gas prevention and the like.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
FIG. 2 is a schematic view of a collapsible bracket of the present utility model with foam strips around the perimeter for leakage protection and moisture absorption.
FIG. 3 is a schematic view of a zigzag-shaped backstop regulator tube for a headband of the present utility model.
Fig. 4 shows a serrated tubular backstop adjustment hook for use with the headband of the present utility model as an ear band.
FIG. 5 is a schematic view (cross-sectional view) of the foam plastic soft support for the inner liner of the net cover of the present utility model.
Detailed Description
The utility model will be described in further detail with reference to the accompanying drawings and specific examples.
Example 1
Referring to fig. 1, 2, 3 and 4, the embodiment comprises a flexible mesh enclosure 1 provided with a flexible leak-proof inner curled edge and a flexible lining plastic bracket 5, wherein the flexible mesh enclosure 1 and the flexible leak-proof inner curled edge thereof are manufactured by thermoplastic plastics through injection molding at one time, the flexible mesh enclosure 1 is covered on the flexible lining bracket 5, and the flexible lining bracket 5 is manufactured by thermoplastic plastics; the flexible inner village support is provided with a flexible leakage-proof inner curled edge which is integrally formed with the flexible inner village support, the width of the part of the flexible leakage-proof inner curled edge corresponding to the nose bridge of a person exceeds 0.5cm at the protruding height of the ridge of the nose bridge and the two sides of the root of the nose, so that a flexible leakage-proof inner curled edge nose clip 2 is formed, and the flexible leakage-proof inner curled edge extends downwards to the part corresponding to the chin of the person, so that a flexible jaw bag 3 capable of wrapping the chin is formed; a filter layer 4 is arranged between the flexible net cover 1 and the flexible lining support 5, and the filter layer 4 is made of electrostatic filter cloth with the filter efficiency of 99.9%; the inner side of the periphery of the flexible lining support 5 close to the face is provided with a leakage-proof moisture-absorption high-elasticity foam plastic strip 6; the two sides of the flexible mesh enclosure 1 are respectively provided with a head band hole 7; the two sides of the flexible net cover 1 are respectively provided with a headband 8 penetrating through the headband hole 7; the headband 8 is an adjustable headband, a serrated check adjusting pipe 9 for adjusting wearing tightness is arranged at the upper end of the headband 8, a headband placing groove 10 is formed in the outer side of the check adjusting pipe 9, after the headband 8 is placed in the headband placing groove 10, one end of the headband 8 is plugged into the check adjusting pipe 9, and the end of the headband 8 cannot slide out of the check adjusting pipe 9 easily.
The toothed backstop adjusting tube 9 for the headband can be replaced by a double-hole backstop adjusting piece or a backstop adjusting ring.
According to the anti-virus mask, as the periphery of the flexible net cover 1, which is in contact with a human face, and the periphery of the flexible lining support 5, which is close to the human face, are both provided with the flexible anti-leakage inner curled edges, the inner side of the periphery of the flexible lining support 5, which is close to the human face, is provided with the anti-leakage moisture absorption high-elasticity foam plastic strips 6, the flexible inner curled nose clips 2, the flexible chin pocket 3 and the wear tightness-adjustable headband 8, the wear tightness is adjustable, namely the anti-virus mask has multiple multi-measure anti-leakage sealing measures, the air tightness is very good, the total leakage rate of the mask is 2.0% through detection by using a GB2626-2006 regulation method, and the filter layer 4 is made of electrostatic filter cloth with the filter efficiency of 99.9%, so that the anti-virus effect is good; the wearing is more comfortable, because the flexible leak-proof inner curled edge and the leak-proof moisture absorption high-elasticity foam plastic strip are easier to be attached to different faces, the air tightness is enhanced, and the wearing does not have pressure pain; the part of the flexible leak-proof inner curled edge of the flexible lining support, which corresponds to the nose bridge of a person, exceeds the height of the ridge of the nose bridge and a certain width at two sides of the root of the nose, so that the mouth and the nose of a wearer can be prevented from being in direct contact with the filter layer of the mask; the wearing tightness of the adjustable headband 8 is adjustable, so that the tightness and wearing comfort can be enhanced.
Example 2
The difference between this embodiment and embodiment 1 is that the middle rib of the flexible inner bracket 5 is a combination of a thinner S-shaped rib and an irregularly thinner quadrilateral rib (see fig. 3). The cross-sectional dimension of the thinner ribs is 1/3 of the cross-sectional dimension of the ribs of other parts of the flexible inner village bracket 5. By the structure, the mask is convenient to shrink and fold, and the filter layer is not damaged when the mask is shrunk and folded.
Example 3
The difference between the embodiment and the embodiment 1 is that the flexible net cover 1 is made of chemical fiber net cloth and is provided with a leakage-proof latex membrane ring sleeve which is integrally manufactured or adhered with the flexible net cover 1, and the flexible inner village bracket is not provided with a jaw pocket 3, so that the manufacturing process is simplified; ear straps 13 are arranged on two sides of the flexible mesh enclosure 1 to replace the headband 8; the ear strap 13 on one side is provided with a backstop adjusting hook 11 and an ear strap anti-drop ring 12 (the structure of the backstop adjusting hook 11 is shown in fig. 4, the backstop adjusting hook is formed by arranging an adjusting hook on the outer side of a backstop adjusting pipe, and an ear strap placing groove is arranged on the outer side of the backstop adjusting pipe), the function of the backstop adjusting hook 11 is to conveniently change the ear strap into a headband (the ear strap 13 on the other side is hooked by the backstop adjusting hook 11, and the ear strap can be changed into the headband for use), so that the wearing is more stable; the function of the ear band anti-slip ring 12 is to prevent the ear band 13 from slipping out of the backstop adjusting tube of the backstop adjusting hook 11.
Example 4
This embodiment differs from embodiment 1 in that the flexible liner support 5 is replaced by a foam flexible liner 14; the inner side of the periphery of the foam plastic soft lining 14 is provided with a leakage-proof sealing foam plastic ring 15; the outer peripheral side of the mesh enclosure 1 is combined with a leakage-proof latex film ring 16 (see fig. 5). Compared with the flexible lining support 5, the foam plastic flexible lining 14 is softer and lighter, and is easy to absorb moisture, so that the wet resistance of the mask is reduced.
When in high-risk operation, a layer of sticky skin care cream is coated on the surface of the leak-proof inner curled edge or the leak-proof elastic latex film sleeve or the electrostatic filter cloth. The leak-proof seal can be further enhanced.
It will be apparent that the various components of the utility model may be combined in a variety of different ways. Combinations thereof are all within the scope of the present patent.
Various modifications and variations of the present utility model may be made by those skilled in the art, and, provided that they are within the scope of the appended claims and their equivalents, they are also within the scope of the present utility model.
What is not described in detail in the specification is prior art known to those skilled in the art.
Claims (10)
1. The mask comprises a mask body, a filter layer, a lining support, a nose clip and an ear strap or a head strap, and is characterized in that the mask body is a flexible mask body, the lining support is a flexible lining support, the periphery of the flexible mask body or/and the flexible lining support close to a human face is provided with a flexible leak-proof inner curled edge, a leak-proof latex film snare or a leak-proof moisture-absorbing foam plastic strip, the flexible mask body is covered on the flexible lining support, the filter layer is arranged between the flexible lining support and the flexible mask body, the ear strap or the head strap is an adjustable ear strap or head strap, and the ear strap is arranged on the left side and the right side of the flexible mask body; the head bands are arranged at the left side and the right side or the upper end and the lower end of the flexible mesh enclosure.
2. The mesh enclosure type mask for preventing and controlling viral infectious diseases according to claim 1, wherein: the radian and the size of the flexible leak-proof inner curled edge respectively accord with the radian and the size of the heads of men and women specified by the national standard GB/T2428-1981.
3. The mesh enclosure type mask for preventing and controlling viral infectious diseases according to claim 1, wherein: the flexible leak-proof inner curled edge is formed by thermoplastic plastic or rubber through one-time injection molding or is made of elastic latex, rubber, high-elasticity plastic films or airtight chemical fiber high-elasticity thin cloth; the length of the inner circle of the maximum periphery is less than or equal to 1-10mm of the maximum periphery of the flexible inner village support so as to compress the periphery of the filter layer to the periphery of the flexible inner village support.
4. The mesh enclosure type mask for preventing and controlling viral infectious diseases according to claim 1, wherein: one side of the ear belt is provided with a backstop adjusting hook; the two ends of the headband are provided with a non-return adjusting ring, a non-return adjusting pipe or a double-hole non-return adjusting piece.
5. The mesh enclosure type mask for preventing and controlling viral infectious diseases according to claim 1, wherein: the flexible lining support is made of thermoplastic plastics; the filter layer is made of electrostatic filter cloth, dustproof nonwoven felt or impregnated active carbon fiber felt.
6. The mesh enclosure type mask for preventing and controlling viral infectious diseases according to claim 1, wherein: the middle rib of the flexible lining support is a thinner S-shaped, V-shaped or O-shaped flexible rib; the cross section size of the S-shaped, V-shaped or O-shaped flexible ribs with thinner middle parts is 1/2-1/5 of the cross section size of ribs of other parts of the flexible inner village bracket.
7. The mask for preventing and controlling viral infectious diseases according to claim 1, wherein the flexible lining support is close to the part of the flexible leakproof inner curled edge arranged around the face and corresponding to the nose bridge of a person, and the protruding height in the direction of the ridge of the nose bridge and the width of the two sides of the nose root exceed the inner curled edge width of the left and right sides of the mask by 0.2-2cm, so that the flexible inner curled edge nose clip is formed.
8. The mesh enclosure type mask for preventing and controlling viral infectious diseases according to claim 5, wherein: the electrostatic filter cloth is bare-edge electrostatic filter cloth with a filtering grade of N99%, 99.9% or 99.97%; the width of the bare edge is 0.5-2.5cm.
9. The mesh enclosure type mask for preventing and controlling viral infectious diseases according to claim 1, wherein: the lower part of the flexible net cover or the flexible internal village support is provided with a flexible jaw bag capable of wrapping the jaw.
10. The mesh enclosure type virus infectious disease prevention and control mask according to any one of claims 1 to 9, wherein: the flexible lining support is replaced by a foam plastic flexible lining which is thickened at the periphery; the circumference of the flexible mesh enclosure is more than or equal to 1-10mm in length of the inner circle of the circumference of the flexible mesh enclosure, and the circumference of the filter layer is lined tightly; the outer side of the flexible mesh enclosure is provided with a breathable plastic rain cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222758786.6U CN219047474U (en) | 2022-10-19 | 2022-10-19 | Gauze mask for preventing and controlling virus infectious disease |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222758786.6U CN219047474U (en) | 2022-10-19 | 2022-10-19 | Gauze mask for preventing and controlling virus infectious disease |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219047474U true CN219047474U (en) | 2023-05-23 |
Family
ID=86341896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222758786.6U Active CN219047474U (en) | 2022-10-19 | 2022-10-19 | Gauze mask for preventing and controlling virus infectious disease |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219047474U (en) |
-
2022
- 2022-10-19 CN CN202222758786.6U patent/CN219047474U/en active Active
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Effective date of registration: 20231025 Address after: 414000 administrative service center of Huarong Industrial Concentration Zone, Yueyang City, Hunan Province (Sanfeng Industrial Park) Patentee after: Hunan Kangwo medical supplies Co.,Ltd. Address before: 410007 No. 21, Yuhua Road, Yuhua District, Changsha City, Hunan Province Patentee before: Xia Yunfeng |
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