CN214344028U - Mask suitable for preventing respiratory infectious diseases - Google Patents
Mask suitable for preventing respiratory infectious diseases Download PDFInfo
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- CN214344028U CN214344028U CN202120196761.4U CN202120196761U CN214344028U CN 214344028 U CN214344028 U CN 214344028U CN 202120196761 U CN202120196761 U CN 202120196761U CN 214344028 U CN214344028 U CN 214344028U
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Abstract
The invention discloses a mask suitable for preventing respiratory infectious diseases, which mainly comprises a lacing, a mask body, an exhalation assembly, a plug interface connector and a filter box, wherein the lacing is positioned at the rear side of the mask body and is connected with the mask body to realize the tight fit of the mask and the face of a wearer, the exhalation assembly is positioned at the lower end of the mask body and is tightly fitted with the mask body, and the filter box is positioned above the mask body and is connected with the mask body through the plug interface connector. The mask can realize one-step in-place protection on the mouth, the nose, the eyes and the like due to the integrated design, effectively reduces the respiratory resistance while realizing high filtration efficiency due to the adoption of the melt electrospinning nanofiber filter membrane, and realizes the quick replacement of the filter box through the plugging-unplugging interface connector after the filter membrane reaches the replacement time or the replacement standard. The ultraviolet ray disinfection lamp disinfects the air through ultraviolet sterilization inactivation function, and the auxiliary breathing fan brings external fresh air into the main trachea inspiration channel through the high-speed rotation of the fan blades, so that the wearer is prevented from suffocating due to overlarge inspiration resistance.
Description
Technical Field
The invention relates to a mask suitable for preventing respiratory infectious diseases, belonging to the field of air filtration.
Background
At present, when a clinician and a nursing staff diagnose and treat a patient with respiratory tract infection in a hospital, the risk of infection exists all the time. The mask has a certain filtering effect on air entering the lung as an air protection article, is a powerful guarantee for protecting medical care personnel against respiratory infectious diseases, and viruses can be transmitted to healthy people through respiratory tracts and can also be transmitted to the healthy people by means of direct contact of eyes. Medical goggles can effectively prevent viral vectors such as droplets from directly contacting with eyes, the risk of being infected is reduced, therefore, medical surgery gauze mask is generally adopted clinically, medical goggles combination and collocation's mode ensures that medical personnel's is healthy, but be subject to the difference of wearer's face, medical surgery gauze mask and medical goggles can not guarantee completely and the facial inseparable laminating of wearer, easily leave the opportunity of taking advantage of for the virus propagation, medical personnel's healthy unable effectively to be guaranteed, and medical surgery gauze mask and medical goggles are disposable products, when respiratory infectious disease erupts on a large scale, the supply of medical surgery gauze mask and medical goggles has also become a big difficult problem.
In order to solve the problems, the patent CN03234344.2 discloses a disinfection system with a mask connected with a disinfector for respiratory infectious disease patients, but has the problems of weak universality, single disinfection measure, incomplete protection measure and the like.
Therefore, the mask suitable for preventing the respiratory infectious diseases is provided aiming at the problems that the medical care personnel have the risk of being infected in the process of diagnosing and treating respiratory infectious disease patients, can realize the sterilization and disinfection of various modes and the continuous replacement of the filter box on the exhaled and inhaled gas and spray of a human body, ensures that the mask realizes the protection of self health and avoids infecting other people from two angles of the medical care personnel and the patients, and can simultaneously realize the integrated protection of the mouth, the nose, the eyes and other parts of the protection crowd.
Disclosure of Invention
Aiming at the problems of infection risk and the like of medical staff in the process of diagnosing and treating respiratory infectious disease patients, the invention provides the mask suitable for preventing respiratory infectious diseases according to the transmission characteristics of infectious disease viruses, which can realize multi-mode sterilization and disinfection and continuous replacement of filter boxes on exhaled and inhaled gas and spray of a human body and ensure high-efficiency sterilization and stable respiratory resistance of the mask in the using process.
The invention provides a mask suitable for preventing respiratory infectious diseases, which comprises a lacing, a mask body, an exhalation assembly, a plug interface connector and a filter box, wherein the lacing is positioned at the rear side of the mask body and is connected with the mask body to realize the tight fit of the mask and the face of a wearer, the exhalation assembly is positioned at the lower end of the mask body and is tightly fitted with the mask body, and the filter box is positioned above the mask body and is connected with the mask body through the plug interface connector.
The invention relates to a mask suitable for preventing respiratory infectious diseases, the basic outline of a mask body is determined by a shaping frame and an arc-shaped protective observation window, the arc-shaped protective observation window is fixed at the front end of the shaping frame, a flexible lining is arranged at the rear end of the shaping frame and ensures the tight fit of the mask and the face of a wearer together with a lacing, the lower end of the mask body is provided with a spacer, an inner cavity of the spacer is connected with a main air pipe and a breathing cavity of a filter box through expiration pipes at two sides, an A-shaped flexible lining cover is arranged above the spacer, a compression bolt penetrates through the flexible lining, the lacing and a positioning hole are connected and fixed into a whole through threads, an ultraviolet disinfection lamp and an auxiliary breathing fan are positioned in an air suction channel of the main air pipe, the ultraviolet disinfection lamp disinfects air through the sterilization and inactivation function of ultraviolet rays, the auxiliary breathing fan brings external fresh air into the air suction channel of the main air pipe through the high-speed rotation of fan blades to prevent the suffocation of the wearer due to overlarge air suction resistance, the antifogging diaphragm is attached to the arc-shaped protection observation window.
The invention relates to a face mask suitable for preventing respiratory infectious diseases, wherein an exhalation assembly is positioned at the lower part of a face mask body, is tightly connected with the lower end of an arc-shaped protection observation window and is attached to the arc-shaped protection observation window, a protection cover is positioned at the outermost side of the exhalation assembly, a one-way breather valve and a melt electrospinning nanofiber filter membrane I are arranged at the inner side of the exhalation assembly, the melt electrospinning nanofiber filter membrane I and a melt electrospinning nanofiber filter membrane II can be prepared by adopting a melt electrospinning technology, the diameters of fibers are thin and are uniformly distributed, the filtering efficiency is far higher than that of other filter membranes, and the gram weights of the two filter membranes need to be ensured to be 25g/m3The requirement of low respiratory resistance is met while high filtration efficiency is ensured, and the filtration efficiency of one or two pairs of PM0.3 of the melt electrospun nanofiber filter membrane can reach 99.97 percent and is higher than the filtration standard of common medical surgical masks and medical protective masks (KN 95). And the one-way breather valve tightly presses the melt electrospun nanofiber filter membrane on the arc-shaped protection observation window.
The invention relates to a mask suitable for preventing respiratory infectious diseases, wherein plug-in interface connectors of the mask are positioned above a mask body and below a filter box, a clamping groove is formed in one side fixed on the mask body, a quick plug is arranged in one side fixed on the filter box, and the plug-in interface connectors and the quick plug are in interference fit.
The invention relates to a mask suitable for preventing respiratory infectious diseases, wherein a filter box is positioned above a mask body and a plug interface connector, a cavity spacer divides the inner space of the filter box into two expiration cavities and an inspiration cavity, and a compaction grid fixes a melt electrospinning nanofiber filter membrane II on the side surface of the filter box.
The mask is suitable for preventing respiratory infectious diseases, the integrated design of the mask realizes one-step in-place protection on the parts such as the mouth, the nose, the eyes and the like, the problems that the traditional matched protection mode of a medical protective mask and medical goggles cannot realize all-around protection, the wearing is inconvenient and the like are solved, and the antifogging diaphragm is attached to the arc-shaped protective observation window, so that the air is effectively prevented from being condensed into fog on the surface of the arc-shaped protective observation window. The melt electrospinning nanofiber realizes high filtration efficiency and simultaneously effectively reduces respiratory resistance, and the filter cartridge is quickly replaced through the plug-in interface connector after filter membranes (the first melt electrospinning nanofiber filter membrane and the second melt electrospinning nanofiber filter membrane) reach replacement time or change standards. The ultraviolet ray disinfection lamp disinfects the air through ultraviolet sterilization inactivation function, and the auxiliary breathing fan brings external fresh air into the main trachea inspiration channel through the high-speed rotation of the fan blades, so that the wearer is prevented from suffocating due to overlarge inspiration resistance.
Drawings
Fig. 1 is an assembly view showing the overall structure of a mask for preventing respiratory infectious diseases according to the present invention.
Fig. 2 is a schematic rear view of a mask for preventing respiratory infectious diseases according to the present invention.
Fig. 3 is a schematic view showing the fixing of a flexible lining cover of a mask for preventing respiratory infectious diseases according to the present invention.
Fig. 4 is a partial schematic view of the main air duct of the mask for preventing respiratory infectious diseases according to the present invention.
Fig. 5 is a schematic side view of an exhalation module of a mask for preventing respiratory tract infection according to the present invention.
Fig. 6 is an isometric view of a plug interface connector of a mask according to the present invention for preventing respiratory infections.
Fig. 7 is a schematic cross-sectional view of a filter cartridge of a mask for preventing respiratory infectious diseases according to the present invention.
Fig. 8 is a schematic sectional view showing the overall structure of a mask for preventing respiratory infectious diseases according to the present invention.
Fig. 9 is a rear side view showing the overall structure of a mask for preventing respiratory infectious diseases according to the present invention.
In the figure: 1-tying a lace; 2-mask body; 2.1-shaping frame; 2.2 arc protection observation windows; 2.3-flexible liner cover; 2.4-septa; 2.5-expiratory duct; 2.6-A type flexible lining cover; 2.7-main trachea; 2.8-hold down bolts; 2.9-positioning holes; 2.10-ultraviolet sterilizing lamp; 2.11-auxiliary breathing fan; 2.12-antifogging diaphragm; 3-an exhalation module; 3.1-protective cover; 3.2-one-way breather valve; 3.3-melt electrospinning of the nanofiber filter membrane I; 4-plug interface connector; 4.1-quick plug; 4.2-card slot; 5-a filter cartridge; 5.1-chamber septum; 5.2-an expiratory chamber; 5.3-a suction chamber; 5.4-compacting the grid; 5.5-melt electrospinning of the nanofiber filter membrane II.
Detailed Description
The invention provides a mask suitable for preventing respiratory infectious diseases, which comprises a tying belt 1, a mask body 2, an exhalation assembly 3, a plug-in interface connector 4 and a filter box 5, wherein the tying belt 1 is positioned at the rear side of the mask body 2 and is connected with the mask body 2 to realize the tight fit of the mask and the face of a wearer, the exhalation assembly 3 is positioned at the lower end of the mask body and is tightly fitted with the mask body 2, and the filter box 5 is positioned above the mask body 2 and is connected with the mask body through the plug-in interface connector 4.
The basic outline of the mask body 2 is determined by a shaping frame 2.1 and an arc-shaped protection observation window 2.2, as shown in fig. 2-4, the arc-shaped protection observation window 2.2 is fixed at the front end of the shaping frame 2.1, a flexible lining 2.3 is installed at the rear end of the shaping frame 2.1, the mask and the face of a wearer are tightly attached together by the tying belt 1, a spacer 2.4 is arranged at the lower end of the mask body 2, the inner cavity of the spacer 2.4 is connected with a main air pipe 2.7 and a filter box expiration cavity 5.2 through two side expiration pipes 2.5, an A-type flexible lining cover 2.6 is arranged above the spacer 2.4, a compression bolt 2.8 penetrates through the flexible lining 2.3, the tying belt 1 and a positioning hole 2.9 are tightly connected into a whole through threads, an ultraviolet disinfection lamp 2.10 and an auxiliary breathing fan 2.11 are positioned in an inspiration channel of the main air pipe 2.7, and an antifogging diaphragm 2.12 arc-shaped protection observation window 2.2, as shown in fig. 8.
The exhalation module 3 is located at the lower part of the mask body 2, is tightly connected with the lower end of the arc-shaped protection observation window 2.2 and is attached to the arc-shaped protection observation window 2.2, the protection cover 3.1 is located at the outermost side of the exhalation module 3, the inner side is provided with a one-way breather valve 3.2 and a melt electrospinning nanofiber filter membrane one 3.3, and as shown in fig. 5, the one-way breather valve 3.2 compresses the melt electrospinning nanofiber filter membrane one 3.3 tightly on the arc-shaped protection observation window 2.2.
The filter cartridge 5 is positioned above the mask body 2 and the plug interface connector 4, the chamber partition 5.1 divides the internal space of the filter cartridge into two exhalation chambers 5.2 and one inhalation chamber 5.1, and the melt electrospinning nanofiber filter membrane two 5.5 is fixed on the side surface of the filter cartridge 5 by the pressing grid 5.4, as shown in fig. 7.
The using process is as follows: the person of wearing passes flexible inside lining 2.3, takes 1 back and is in the same place through threaded connection with locating hole 2.9, with flexible inside lining 2.3 with take 1 with the face guard body 2 is fixed together, exhales 3 inserts 2 downside of face guard body of subassembly, quick plug 4.1 inserts behind the draw-in groove 4.2, filter cartridge 5 and face guard body 2 are fixed as an organic whole, then through taking 1 with the face guard body 2 fixed with face.
In the breathing process, the outside air enters a main air pipe 2.7 air suction channel through an air suction chamber 5.3 in the middle of a filter box 5 under the high-efficiency filtering action of a melt electrospinning nanofiber filter membrane two 5.5, when an ultraviolet disinfection lamp 2.10 flows through the main air pipe 2.7 air suction channel, the air is further purified under the ultraviolet sterilization and disinfection action, the thrust generated by the rotation of an auxiliary breathing fan 2.11 is utilized, the air flow speed is accelerated, the problem of difficulty in breathing for too long time of an air suction pipeline is conveniently solved, the air enters a nasal cavity through an A-shaped flexible lining cover 2.6, and the air suction process is completed. Turbid gas enters an inner space surrounded by the partition 2.4 after being exhaled by the lip, one part of the turbid gas flows to the exhalation assembly 3, the turbid gas is filtered and purified by the first melt electrospinning nanofiber filter membrane 3.3 and exhaled by the one-way breather valve 3.2 to ensure that the exhaled gas does not contain viruses, and the other part of the turbid gas enters the exhalation passage of the main air pipe 2.7 through the exhalation pipe 2.5, flows into the exhalation chambers 5.2 on two sides of the filter cartridge 5 through the plug-in interface connector 4, and is filtered by the second melt electrospinning nanofiber filter membrane 5.5 to realize the purification process of the exhaled gas.
Claims (4)
1. A mask adapted to prevent respiratory infections, comprising: the mask comprises a lace, a mask body, an expiration assembly, a plug interface connector and a filter box, wherein the lace is positioned at the rear side of the mask body and is connected with the mask body to realize the tight fit of the mask and the face of a wearer; the basic outline of the mask body is determined by the shaping frame and the arc-shaped protection observation window, the arc-shaped protection observation window is fixed at the front end of the shaping frame, the flexible lining is arranged at the rear end of the shaping frame, the mask body is provided with a spacer at the lower end, an inner cavity of the spacer is connected with a main air pipe and a filter box breathing cavity through breathing pipes on two sides, an A-type flexible lining cover is arranged above the spacer, a compression bolt penetrates through a flexible lining, the spacer is fixedly connected with a positioning hole into a whole through threads, an ultraviolet disinfection lamp and an auxiliary breathing fan are positioned in a main air pipe breathing channel, the ultraviolet disinfection lamp disinfects air through the ultraviolet sterilization and inactivation function, the auxiliary breathing fan brings external fresh air into the main air pipe breathing channel through the high-speed rotation of the fan blades, the situation that a wearer suffocates due to overlarge breathing resistance is prevented, and an anti-fog diaphragm is attached to an arc protection observation window; the breathing assembly is positioned at the lower part of the mask body, is tightly connected with the lower end of the arc-shaped protection observation window and is attached to the arc-shaped protection observation window, the protective cover is positioned at the outermost side of the breathing assembly, the inner side of the protective cover is provided with the one-way breather valve and the first melt electrospinning nanofiber filter membrane, and the one-way breather valve tightly presses the first melt electrospinning nanofiber filter membrane onto the arc-shaped protection observation window.
2. A mask for preventing respiratory infectious disease according to claim 1, wherein: the plug interface connector is located mask body top, filter cartridge below, is fixed in mask body one side and is the draw-in groove, is fixed in filter cartridge one side and is quick plug, and the degree of cooperation between the two is interference fit.
3. A mask for preventing respiratory infectious disease according to claim 2, wherein: the filter box is positioned above the mask body and the plug interface connector, the inner space of the filter box is divided into two expiration chambers and an inspiration chamber by the chamber partition, and the melt electrospinning nanofiber filter membrane is fixed on the side face of the filter box by the compaction grid.
4. A mask for preventing respiratory infectious disease according to claim 3, wherein: the gram weight of the first melt electrospun nanofiber filter membrane and the second melt electrospun nanofiber filter membrane is 25g/m3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120196761.4U CN214344028U (en) | 2021-01-25 | 2021-01-25 | Mask suitable for preventing respiratory infectious diseases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120196761.4U CN214344028U (en) | 2021-01-25 | 2021-01-25 | Mask suitable for preventing respiratory infectious diseases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214344028U true CN214344028U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120196761.4U Active CN214344028U (en) | 2021-01-25 | 2021-01-25 | Mask suitable for preventing respiratory infectious diseases |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214344028U (en) |
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2021
- 2021-01-25 CN CN202120196761.4U patent/CN214344028U/en active Active
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