CN213848882U - Ultraviolet sterilization multifunctional mask and protective clothing - Google Patents
Ultraviolet sterilization multifunctional mask and protective clothing Download PDFInfo
- Publication number
- CN213848882U CN213848882U CN202021945031.1U CN202021945031U CN213848882U CN 213848882 U CN213848882 U CN 213848882U CN 202021945031 U CN202021945031 U CN 202021945031U CN 213848882 U CN213848882 U CN 213848882U
- Authority
- CN
- China
- Prior art keywords
- disinfection
- mask
- disinfection box
- sterilization
- face guard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 134
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 33
- 230000001681 protective effect Effects 0.000 title claims abstract description 20
- 239000004744 fabric Substances 0.000 claims abstract description 15
- 230000000249 desinfective effect Effects 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 11
- 239000011324 bead Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000002070 germicidal effect Effects 0.000 claims 7
- 241000700605 Viruses Species 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 6
- 230000001580 bacterial effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 102000053602 DNA Human genes 0.000 description 2
- 108020004414 DNA Proteins 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 210000002345 respiratory system Anatomy 0.000 description 2
- 229920002477 rna polymer Polymers 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 229920000965 Duroplast Polymers 0.000 description 1
- 208000001860 Eye Infections Diseases 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 208000011323 eye infectious disease Diseases 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a multi-functional face guard of ultraviolet sterilization and protective clothing relates to the protective articles field, include the face guard main part that encloses by the transparency and set up the fixed band in the face guard main part outside, the both sides of face guard main part are connected with the first disinfection box and the second disinfection box of seting up air intake and air outlet respectively, have the disinfection subassembly that disinfects in first disinfection box and the second disinfection box respectively, the disinfection subassembly that disinfects is including melt-blown cloth, one side of melt-blown cloth is provided with the fan, one side of fan is provided with the disinfection housing that disinfects, is provided with the disinfection dish that is the coil pipe form in the disinfection housing that disinfects. The utility model discloses a multi-functional face guard of ultraviolet sterilization is through setting up the disinfection box, and in wind enters into the face guard main part through first disinfection box disinfection back, the mouth nose of confession people breathes, and the air of exhalation is discharged after second disinfection box disinfection again, can not cause atmospheric pollution to public space, improves factor of safety, still provides a protective clothing who contains this face guard, guarantees comfortable space environment.
Description
Technical Field
The utility model relates to a protective articles field especially relates to a multi-functional face guard of ultraviolet sterilization and protective clothing.
Background
The gas mask only can protect chemical paint medicaments by utilizing the adsorption characteristics of filter materials such as activated carbon and the like, cannot prevent bacterial viruses, and after the gas mask is worn for a long time, the temperature of the face rises to generate sultriness, so that the face is full of sweat, extremely uncomfortable, and the working efficiency of a wearer is seriously influenced.
Present ordinary filter mask filters from gauze to current melt-blown cloth, all be the particulate matter that filters particulate matter and carry the bacterium virus on the air passes through the face, this kind of technical essence blocks the pollutant on airflow channel, there is secondary pollution and filtration efficiency decline problem, breathing channel resistance increases gradually, the person of wearing breathes more and more difficultly, ordinary mask can only cover the oronasal, eyes expose in the atmosphere, there is the infection risk, medical personnel can only prevent the eye infection wearing a goggles, because do not ventilate, long time can lead to the eye sultriness, thereby it hangs water smoke to sweat thereby the internal surface goggles, influence the person's of wearing sight, and then influence work efficiency, the gauze mask that has the check valve, the gas of exhalation can produce secondary pollution to public space.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an ultraviolet sterilization multifunctional mask has the gas that can be exhaled to air and population nose and circulates the virus killing and the high advantage of security.
The utility model adopts the following technical scheme:
ultraviolet sterilization multifunctional face guard includes the face guard main part and the setting that are enclosed by the transparency is in the outside fixed band of face guard main part, the both sides of face guard main part are connected with the first disinfection box and the second disinfection box of seting up air intake and air outlet respectively, first disinfection box with the disinfection subassembly that disinfects that has the same structure and set up relatively in the second disinfection box respectively, the disinfection subassembly that disinfects is including fixed setting up the melt-blown fabric of air intake or air outlet department, one side of melt-blown fabric is provided with the fan, one side of fan is provided with the disinfection housing that disinfects, it is provided with the disinfection dish that is the coil pipe form in the disinfection housing to disinfect, and its one end is provided with the air inlet, and the other end is provided with the gas outlet, still be provided with ultraviolet led lamp pearl in the disinfection housing that disinfects.
Preferably, still include public address mechanism, public address mechanism include the earphone and with the broadcaster that the earphone is connected, the earphone sets up inside the face guard main part, the broadcaster sets up the face guard main part is outside, the earphone with the broadcaster with first disinfection box and second disinfection box are connected.
Preferably, a connection port is arranged at the connection part of the sterilizing and disinfecting housing and the disinfecting disc, and the connection port is S-shaped.
Preferably, elastic bands are further arranged on the first disinfection box and the second disinfection box, and the elastic bands compress the meltblown tightly on the air inlet of the first disinfection box and the air outlet of the second disinfection box.
Preferably, the two sides of the mask main body are further provided with first threaded connecting holes, the first disinfection box and the second disinfection box are provided with second threaded connecting holes in matched connection with the first threaded connecting holes, and sealing rings are arranged in the second threaded connecting holes.
Preferably, the outer edge of the mask body is also provided with a sealing strip fixedly connected with the mask body.
Preferably, the sealing strip is made of soft rubber or soft silica gel material.
Preferably, still include fixed frame, fixed frame with the outward flange of face guard main part adopts interference fit to connect.
Another object of the present invention is to provide a multifunctional ultraviolet sterilization protective garment, which comprises the above multifunctional ultraviolet sterilization face mask.
The utility model discloses following beneficial effect has:
1. the utility model discloses a multi-functional face guard of ultraviolet sterilization sets up the disinfection box through the both sides at the face guard, and external wind enters into the face guard main part after disinfecting through first disinfection box sterilization, and the mouth nose that supplies the people breathes, and the air of exhalation is discharged after disinfecting through second disinfection box again, can not cause atmospheric pollution to public space, improves factor of safety.
2. Still provide a protective clothing who contains multi-functional face guard of ultraviolet sterilization, press from both sides protective clothing head surface fabric to the face guard to make inside sealed space that forms of protective clothing, be equipped with the disinfection module that the principle is the same inside the protective clothing, discharge the heat that the health produced along with the air, in order to improve air cycle efficiency.
Drawings
The invention is described in the following with reference to the accompanying drawings:
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is a schematic view of the assembly for embodying sterilization and disinfection in accordance with embodiment 1;
mask body, labeled 1 in the figure; 2. fixing belts; 3. an air inlet; 4. an air outlet; 5. a first sterilization case; 6. a second sterilization case; 7. melt-spraying cloth; 8. a fan; 9. sterilizing and disinfecting the housing; 10. a sterilizing tray; 11. ultraviolet LED lamp beads; 12. elastic bands; 13. a connecting port; 14. a handset; 15. a broadcaster; 16. a first threaded connection hole; 17. a second threaded connection hole; 18. a sealing strip; 19. a fixing frame; 20. a battery.
Detailed Description
Example 1
As shown in figures 1-2, the ultraviolet sterilization multifunctional mask of the utility model comprises a mask main body 1 enclosed by transparent sheets and a fixing band 2 arranged outside the mask main body 1, both sides of the mask main body 1 are respectively connected with a first disinfection box 5 and a second disinfection box 6 which are provided with an air inlet 3 and an air outlet 4, the first disinfection box 5 and the second disinfection box 6 are respectively provided with a sterilization and disinfection component which has the same structure and is arranged oppositely, the sterilization and disinfection component comprises a melt-blown cloth 7 which is fixedly arranged at the air inlet 3 or the air outlet 4, one side of the melt-blown cloth 7 is provided with a fan 8, one side of the fan 8 is provided with a sterilization and disinfection housing 9, a coil-shaped disinfection disc 10 is arranged in the sterilization and disinfection housing 9, one end of the sterilizing and disinfecting cover 9 is provided with an air inlet, the other end of the sterilizing and disinfecting cover is provided with an air outlet, and an ultraviolet LED lamp bead 11 is arranged in the sterilizing and disinfecting cover 9.
As shown in figure 1, when in use, two disinfection boxes are screwed on the mask body 1, a power switch is turned on to ensure that a power indicator lamp lights up, the disinfection boxes work, the mask body 1 is buckled on the face and is fixedly connected by a fixing band 2, and then the work is started, as shown in figure 2, outside air passes through the melt-blown cloth 7 on the first disinfection box 5 → the fan 8 → the disinfection and disinfection cover 9 → the irradiation of the ultraviolet led lamp bead 11 → the pipeline inlet of the disinfection plate 10 in the first disinfection box 5 → the pipeline outlet of the disinfection plate 10 in the first disinfection box 5 → the inside of the mask enters the respiratory system through the nose → exhaled air reaches the inside of the mask and passes through the disinfection and disinfection cover 9 → the irradiation of the ultraviolet led lamp bead 11 → the pipeline inlet of the disinfection plate 10 in the second disinfection box 6 → the pipeline outlet of the fan 8 → the melt-blown cloth 7 on the second disinfection box 6 → the outside atmosphere, this process is a circulation process, sets up the disinfection box through the both sides at face guard main part 1, and outside wind enters into face guard main part 1 after the disinfection of disinfecting through first disinfection box 5 in, supplies people's mouth nose to breathe, and the air of exhalation is discharged after disinfecting through second disinfection box 6 again, can not cause atmospheric pollution to public space, improves factor of safety.
Specifically, the meltblown 7 is the key fungus material of worrying of current gauze mask, process into disk or other shapes, still be provided with elastic cord 12 on first disinfection box 5 and the second disinfection box 6, elastic cord 12 compresses tightly meltblown 7 on the air intake 3 of first disinfection box 5 and the air outlet 4 of second disinfection box 6, conveniently change meltblown 7, after compressing tightly meltblown 7, make meltblown 7 cover on air intake 3 and air outlet 4 completely, can filter certain bacterial virus and most dust particle.
The fan 8 adopts a micro fan with the length of 3-5 cm to ventilate the inside of the face mask, the air pressure difference formed by the rotation of the electrified work of the fan is filtered by the melt-blown fabric 7, enters the closed sterilization and disinfection housing 9 through the fan 8, is irradiated and sterilized by the ultraviolet led lamp beads 11 in the closed sterilization and disinfection space, and then passes through the transparent disinfection disc 10 for at least 1.5 seconds to 6.5 seconds, so that the design can ensure that the outside air is irradiated by the ultraviolet led lamp beads 11 for at least 1.5 seconds to 6.5 seconds to be fully sterilized and disinfected, and the sterilized air enters the inside of the face mask for a human respiratory system to use.
The disinfection disc 10 is in a mosquito incense stacking shape (the length of an air vent pipeline is designed according to specific use scenes) formed by coiling transparent glass tubes or plastic tubes, the UVC short-wave ultraviolet rays can kill most of bacterial viruses within 0.2 seconds to 6.7 seconds through existing experimental researches, the disinfection disc 10 needs to ensure that the time from an air inlet to an air outlet is about 1.5 seconds to 6.5 seconds, the sterilization efficiency can be ensured only by irradiating the ultraviolet led lamp beads 11 for 1.5 seconds to 6.5 seconds, and the corresponding total air vent length of the disinfection disc 10 is matched according to applicable materials so as to achieve the sterilization time efficiency.
The ultraviolet ray led lamp bead 11 is based on the principle that UVC is short-wave ultraviolet rays with the wavelength of 200nm to 280nm, and the UVC can damage the molecular structures of DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) in a microorganism organism to cause death of growing cells and regenerative cells, so that the effects of sterilization and disinfection are achieved. Most of bacterial viruses can be killed by UVC within 1 second, the sterilization and disinfection mask makes full use of the characteristic of UVC to be applied, the service life of the existing ultraviolet LED lamp beads 11 is about 5000 to 10000 hours, and the requirements of most of use scenes can be met.
Disinfect disinfection housing 9 adopts light-tight duroplasts to make the shell, wraps up disinfection dish 10, ultraviolet ray led lamp pearl 11 completely, can not make UVC shortwave ultraviolet ray leak shine on people' S skin, causes the injury, as preferred, the junction of disinfecting disinfection housing 9 and disinfection dish 10 is provided with connector 13, and connector 13 is the S-shaped setting to prevent that UVC ultraviolet ray from leaking and causing the injury.
Still include the power supply system among the prior art, it is specific including setting up battery 20 in the disinfection box, adopt chargeable change lithium cell, can also join in marriage a set of reserve battery, the battery shape can refer to two or the design of multisection No. 5 batteries side by side, the original battery has not been out of power, can use by universal No. 5 battery of quick replacement, can not lead to the disinfection face guard to be down unable to use because of original battery and reserve battery do not charge, can select corresponding battery capacity according to the scene of use requirement, the standard design is for satisfying ultraviolet led lamp pearl and fan and uses about 10 to 20 hours, send the alarm sound in order to remind the user to change the battery as soon as possible under the condition that battery power is low.
The power switch wire sets up a simple and easy switch on the disinfection box, opens when using and gives ultraviolet ray led lamp pearl, circular telegram such as fan, cuts off the power when out of service, and the leakproofness that each ventilation part will be satisfied to the power supply wire when the wiring.
As shown in fig. 2, the multifunctional mask further comprises a sound amplifying mechanism, the sound amplifying mechanism comprises a receiver 14 and a sound broadcaster 15 connected with the receiver 14, the receiver 14 is arranged inside the mask main body 1, the sound broadcaster 15 is arranged outside the mask main body 1, the receiver 14 and the sound broadcaster 15 are connected with the first disinfection box 5 and the second disinfection box 6, a person speaks in the mask, the sound is amplified outside the mask in real time conveniently, and the communication efficiency with the outside is improved.
As shown in fig. 1, the two sides of the mask body 1 are further provided with a first threaded connection hole 16, the first disinfection box 5 and the second disinfection box 6 are provided with a second threaded connection hole 17 which is connected with the first threaded connection hole 16 in a matched manner, and a sealing ring is arranged in the second threaded connection hole 17, so that the disinfection boxes are convenient to screw and replace.
As shown in fig. 1, the outer edge of the mask body 1 is further provided with a sealing strip 18 fixedly connected with the mask body, so that the sealing performance of the mask can be ensured, preferably, the sealing strip 18 is made of soft rubber or soft silica gel material, and the mask body is attached to a human face, so that the wearing comfort can be ensured.
Example 2
The multifunctional ultraviolet sterilization protective clothing comprises the embodiment 1, as shown in figure 1, the multifunctional ultraviolet sterilization protective clothing further comprises a fixing frame 19, the fixing frame 19 is connected with the outer edge of the mask main body 1 in an interference fit manner, most of the existing protective clothing is disposable and has high use cost, a circle of pressing type locking interference fit device is arranged at the edge of the mask, the front material of the head of the protective clothing is clamped on the mask, so that a sealed space is formed inside the protective clothing, an air inlet sterilization module and an air outlet sterilization module with amplified parameters are arranged at the back of the protective clothing, the area of a human body is larger than that of the human body, a ventilation pipeline is required to be directly communicated with the air inlet sterilization module inside the protective clothing to improve the air circulation efficiency, the ventilation pipeline is respectively communicated with two cuffs and two trouser leg openings, and ventilation small openings are continuously arranged at equal distances on the whole ventilation pipeline to improve the air circulation efficiency, the air inlet disinfection module is used for pumping in air which is disinfected and sending the air to the whole body through the ventilation pipeline, and the heat generated by the body is discharged out of the external atmosphere along with the air through the air outlet disinfection module, so that a comfortable space environment is ensured.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered by the protection scope of the present invention.
Claims (9)
1. Ultraviolet sterilization multifunctional face mask, its characterized in that: comprises a mask main body (1) enclosed by transparent sheets and a fixing band (2) arranged outside the mask main body (1), wherein both sides of the mask main body (1) are respectively connected with a first disinfection box (5) and a second disinfection box (6) which are provided with an air inlet (3) and an air outlet (4), the first disinfection box (5) and the second disinfection box (6) are respectively internally provided with a sterilization and disinfection component which has the same structure and is oppositely arranged, the sterilization and disinfection component comprises a melt-blown cloth (7) fixedly arranged at the air inlet (3) or the air outlet (4), one side of the melt-blown cloth (7) is provided with a fan (8), one side of the fan (8) is provided with a sterilization and disinfection housing (9), a disc-shaped disinfection disc (10) is arranged in the sterilization and disinfection housing (9), one end of the sterilization and disinfection housing is provided with an air inlet, and the other end of the sterilization and disinfection housing is provided with an air outlet, and ultraviolet LED lamp beads (11) are also arranged in the sterilizing and disinfecting housing (9).
2. The multifunctional ultraviolet germicidal mask as claimed in claim 1, wherein: still include public address mechanism, public address mechanism include earphone (14) and with broadcaster (15) that earphone (14) are connected, earphone (14) set up inside face guard main part (1), broadcaster (15) set up face guard main part (1) is outside, earphone (14) with broadcaster (15) with first disinfection box (5) and second disinfection box (6) are connected.
3. The multifunctional ultraviolet germicidal mask as claimed in claim 1, wherein: a connecting port (13) is arranged at the joint of the sterilizing and disinfecting housing (9) and the disinfecting disc (10), and the connecting port (13) is arranged in an S shape.
4. The multifunctional ultraviolet germicidal mask as claimed in claim 1, wherein: the first disinfection box (5) and the second disinfection box (6) are further provided with elastic bands (12), and the elastic bands (12) compress the melt-blown fabric (7) at the air inlet (3) of the first disinfection box (5) and the air outlet (4) of the second disinfection box (6).
5. The multifunctional ultraviolet germicidal mask as claimed in claim 1, wherein: the mask is characterized in that first threaded connecting holes (16) are further formed in two sides of the mask body (1), second threaded connecting holes (17) which are connected with the first threaded connecting holes (16) in a matched mode are formed in the first disinfection box (5) and the second disinfection box (6), and sealing rings are arranged in the second threaded connecting holes (17).
6. The multifunctional ultraviolet germicidal mask as claimed in claim 1, wherein: the outer edge of the mask main body (1) is also provided with a sealing strip (18) fixedly connected with the mask main body.
7. The multifunctional ultraviolet germicidal mask as claimed in claim 6, wherein: the sealing strip (18) is made of soft rubber or soft silica gel material.
8. The multifunctional ultraviolet germicidal mask as claimed in claim 1, wherein: still include fixed frame (19), fixed frame (19) with the outward flange of face guard main part (1) adopts interference fit to connect.
9. Ultraviolet sterilization multifunctional protective clothing is characterized in that: the multifunctional ultraviolet sterilization face mask comprising any one of the above claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021945031.1U CN213848882U (en) | 2020-09-08 | 2020-09-08 | Ultraviolet sterilization multifunctional mask and protective clothing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021945031.1U CN213848882U (en) | 2020-09-08 | 2020-09-08 | Ultraviolet sterilization multifunctional mask and protective clothing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213848882U true CN213848882U (en) | 2021-08-03 |
Family
ID=77047889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021945031.1U Expired - Fee Related CN213848882U (en) | 2020-09-08 | 2020-09-08 | Ultraviolet sterilization multifunctional mask and protective clothing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213848882U (en) |
-
2020
- 2020-09-08 CN CN202021945031.1U patent/CN213848882U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2729629C1 (en) | Individual filtering mask with bactericidal treatment of air | |
| CN209967465U (en) | Ultraviolet disinfection mask | |
| CN211724432U (en) | Anti-virus full-face mask | |
| CN111213937A (en) | Portable mask with high irradiation intensity and capable of sterilizing, killing and inhaling germs by ultraviolet rays | |
| CN111729216A (en) | Medical disinfection protective face mask of antifog gas | |
| US20230101020A1 (en) | Disposable PAPR with Viral Resistant Coatings | |
| CN111165945A (en) | Reusable disinfection mask | |
| CN215024359U (en) | Breathing apparatus | |
| CN211885010U (en) | Ultraviolet disinfection formula respiratory device | |
| CN2647354Y (en) | Sterilizing mouth mask | |
| CN112056651A (en) | Ultraviolet disinfecting and killing mask | |
| CN213848882U (en) | Ultraviolet sterilization multifunctional mask and protective clothing | |
| CN111165954A (en) | Letter channel type glasses and mask and working method thereof | |
| CN215531850U (en) | Disinfection and sterilization device for providing breathing gas | |
| CN211747168U (en) | Sterilizing mask | |
| CN212590395U (en) | Detachable disinfection gauze mask | |
| CN212308685U (en) | Positive pressure type air supply cap | |
| CN112121320A (en) | Individualized miniature breathing circulation isolation sterilizing machine of wearing | |
| CN113519960A (en) | Integrated power air supply protective helmet | |
| CN112870511A (en) | Breathing apparatus | |
| CN111165948A (en) | Detachable disinfection gauze mask | |
| CN212662483U (en) | Ultraviolet sterilizing mask | |
| CN212260567U (en) | Ultraviolet sterilization mask | |
| CN212488603U (en) | Sterilizing mask | |
| CN218391907U (en) | Wearable respiratory protection equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210803 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |