CN212090550U - Disposable medical mask aerator - Google Patents
Disposable medical mask aerator Download PDFInfo
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- CN212090550U CN212090550U CN202020314593.XU CN202020314593U CN212090550U CN 212090550 U CN212090550 U CN 212090550U CN 202020314593 U CN202020314593 U CN 202020314593U CN 212090550 U CN212090550 U CN 212090550U
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Abstract
The utility model discloses a disposable medical mask oxygenator, which consists of an oxygen supply and exhaust device, an oxygen supply pipe, an oxygenating head, an exhaust pipe and a battery; the oxygen supply and exhaust device can better provide novel air for the interior of the protective clothing, simultaneously can discharge turbid gas in the protective clothing to the exterior of the protective clothing, a plurality of air inlet pipelines arranged in the oxygen increasing head can slowly discharge fresh air into the mask, and the arranged oxygen supply filter box and the arranged exhaust filter box can filter and isolate virus for air entering and exiting the mask; the plurality of air outlet pipelines can timely discharge the turbid gas in the mask, so that fresh air is better provided for medical care personnel when using the medical mask, and the difficulties of difficult breathing and small breathing oxygen amount are better solved; reducing the risk of cross-infection for medical staff.
Description
The technical field is as follows:
the utility model relates to a disposable medical mask oxygenator.
Background art:
the novel coronavirus pneumonia COVID-19 outbreaks in 2019 in Hubei province in China, and tens of thousands of medical workers and the like participate in epidemic prevention; the medical mask, namely the medical N95 type mask, can effectively resist the propagation of bacteria, viruses and the like, and is greatly applied to epidemic prevention wars; the existing medical masks on the market basically have the defects of difficult breathing, particularly unsmooth and hard breathing in talking and deep breathing, belong to isolation of infection properties, cannot be taken down easily, and cannot effectively dehumidify. The existing N95 mask is generally provided with an air circulation hole, a filtering membrane with virus filtering effect is arranged in the air circulation hole, the aperture of the membrane is smaller than that of the virus, and the diameter of the virus is generally 0.01 um; membranes smaller than this pore size are slow to circulate air and are difficult to breathe in situations where the medical practitioner needs to breathe deeply and speak.
The invention content is as follows:
the utility model provides a disposable medical mask oxygenator for overcoming the difficulties.
The utility model adopts the following technical proposal to realize the purpose of the invention: a disposable medical mask oxygenator consists of an oxygen supply and exhaust device 1, an oxygen supply pipe 2, an oxygenating head 3, an exhaust pipe 4 and a battery 5; the oxygen supply and exhaust device 1 consists of an oxygen supply device 1-1 and an exhaust device 1-2; the oxygen supply device 1-1 consists of an oxygen supply device shell 1-1-1, an oxygen supply fan 1-1-2 and an oxygen supply filter box 1-1-3; an oxygen supply convergence bin 1-1-1-2 and an oxygen supply negative pressure chamber 1-1-1-3 are arranged in the oxygen supply device shell 1-1-1; the oxygen supply fan 1-1-2 is arranged at the junction of the oxygen supply confluence bin 1-1-1-2 and the oxygen supply negative pressure chamber 1-1-1-3; an oxygen supply filter box mounting port 1-1-1-3-1 is arranged below the oxygen supply negative pressure chamber 1-1-1-3, and the oxygen supply filter box 1-1-3 is arranged in the oxygen supply filter box mounting port 1-1-1-3-1;
the exhaust device 1-2 consists of an exhaust pipe joint 1-2-1, an exhaust device shell 1-2-2, an exhaust filter box 1-2-3, an exhaust fan 1-2-4, a battery isolation plate 1-2-5 and a battery plug 1-2-6;
an exhaust pipe mounting hole 1-2-1-1 is formed in the exhaust pipe joint 1-2-1, and an exhaust joint limiting ring 1-2-1-2 is arranged outside the exhaust pipe joint; an exhaust gas gathering chamber 1-2-2-1, an exhaust negative pressure chamber 1-2-2-2, an exhaust chamber 1-2-2-3 and a power supply installation chamber 1-2-2-4 are arranged in the exhaust device shell 1-2-2; the exhaust filter box 1-2-3 is arranged in the middle of the exhaust gas gathering bin 1-2-2-1 and the exhaust negative pressure chamber 1-2-2-2; the exhaust fan 1-2-4 is provided with an exhaust negative pressure chamber 1-2-2-2 and the middle part of an exhaust bin 1-2-2-3; the battery isolation plate 1-2-5 is arranged in the middle of the exhaust bin 1-2-2-3 and the power supply installation chamber 1-2-2-4; the bottom of the power supply installation chamber 1-2-2-4 is provided with a battery plug installation opening 1-2-2-4-2, and the battery plug 1-2-6 is installed in the battery plug installation opening 1-2-2-4-2; the side surface of the exhaust bin 1-2-2-3 is provided with an exhaust bin outlet 1-2-2-3-1;
a fan switch 1-2-6-1 is arranged at the bottom of the battery plug 1-2-6; a plug limiting annular ring 1-2-6-2 is arranged below the plug mounting layer 1-2-6-3 of the battery plug 1-2-6;
the oxygen increasing head 3 consists of an inlet and outlet pipeline air exchange head 3-1 and an air pipe connector 3-2; the front end of the air exchange head 3-1 of the inlet and outlet pipeline is provided with an inlet gas shunt bin 3-1-1 and an outlet gas gathering bin 3-1-2, and a bin separation baffle 3-1-3 is arranged between the inlet gas shunt bin 3-1-1 and the outlet gas gathering bin 3-1-2; the rear end is provided with a ventilation circulation bin 3-1-5; a plurality of air inlet pipelines 3-1-1-1 are arranged in the air inlet shunt bin 3-1-1 towards the direction of the ventilation circulation bin 3-1-5; a plurality of air outlet pipelines 3-1-2-1 are arranged in the air outlet flow gathering bin 3-1-2 towards the direction of the air exchange flow bin 3-1-5; the upper surface of the air exchange head 3-1 of the inlet and outlet pipeline is provided with a plurality of arc-shaped anti-skid strips 3-1-4, and the middle of each arc-shaped anti-skid strip 3-1-4 is provided with an anti-skid groove 3-1-4-1; the front end of the air pipe connector 3-2 is provided with an oxygen supply pipe connecting hole 3-2-1 and an air outlet pipe connecting hole 3-2-2, and the inner side of the reverse side of the oxygen supply pipe connecting hole 3-2-1 and the air outlet pipe connecting hole 3-2-2 is provided with an air exchange head mounting chamber 3-2-3; the outer surface parts of the air inlet shunt bin 3-1-1 and the air outlet convergence bin 3-1-2 are arranged in the air exchange head installation chamber 3-2-3;
an oxygen supply pipe mounting hole 1-1-1-1 is formed in the middle of the tail end of an oxygen supply device shell 1-1-1 on the oxygen supply and exhaust device 1, an exhaust pipe mounting hole 1-2-1-1 is formed in the middle of an exhaust pipe joint 1-2-1 of the exhaust device 1-2, and a power supply mounting chamber 1-2-2-4 is arranged below the exhaust pipe joint 1-2-1; an oxygen supply pipe connecting hole 3-2-1 and an air outlet pipe connecting hole 3-2-2 are arranged on an air pipe connector 3-2 of the oxygen increasing head 3; two ends of the oxygen supply pipe 2 are respectively connected with an oxygen supply pipe mounting hole 1-1-1 and an oxygen supply pipe connecting hole 3-2-1; two ends of the exhaust pipe 4 are respectively connected with an exhaust pipe mounting hole 1-2-1-1 and an exhaust pipe connecting hole 3-2-2; the battery 5 is arranged in the power supply installation chamber 1-2-2-4;
the utility model discloses a working method: starting a fan switch 1-2-6-1 to start an oxygen supply fan 1-1-2, generating negative pressure in an oxygen supply negative pressure chamber 1-1-1-3, sucking air to the oxygen supply negative pressure chamber 1-1-1-3 through an oxygen supply filter box 1-1-3, filtering the air to obtain air, flowing the air into a ventilation circulation chamber 3-1-5 through a plurality of air inlet pipes 3-1-1-1 for medical personnel to inhale the oxygen, and discharging turbid air in the ventilation circulation chamber 3-1-5 to an air outlet through a plurality of air outlet pipes 3-1-2-1 The gas collecting bin 3-1-2 enters the exhaust gas collecting bin 1-2-2-1 through the exhaust gas collecting bin 3-1-2 and the exhaust pipe 4; meanwhile, the exhaust negative pressure chamber 1-2-2-2 generates negative pressure, so that turbid air in the exhaust air gathering bin 1-2-2-1 enters the exhaust negative pressure chamber 1-2-2-2 after being filtered by the exhaust filter box 1-2-3, is discharged into the exhaust bin 1-2-2-3 through the exhaust negative pressure chamber 1-2-2-2, and is discharged into natural air through the exhaust bin outlet 1-2-2-3-1 on the exhaust bin 1-2-2-3.
The utility model is provided with an oxygen supply filter box 1-1-3 for isolating virus from the air entering the breathing chamber; the oxygen supply filter box 1-1-3 consists of an oxygen supply membrane installation outer box 1-1-3-1, an oxygen supply disinfection membrane 1-1-3-2 and an oxygen supply membrane gland 1-1-3-3; an oxygen supply membrane installation chamber 1-1-3-1-2 is arranged in the oxygen supply membrane installation outer box 1-1-3-1, an oxygen supply disinfection membrane 1-1-3-2 is installed in the oxygen supply membrane installation chamber 1-1-3-1-2, and an oxygen supply membrane gland 1-1-3-3 is pressed on the oxygen supply disinfection membrane 1-1-3-2; the oxygen supply membrane installation outer box 1-1-3-1 is provided with an oxygen supply vent hole 1-1-3-1-1; the oxygen supply film gland 1-1-3-3 is provided with an oxygen supply gland vent hole 1-1-3-3-1 and an oxygen supply gland limiting annular ring 1-1-3-3-2;
the utility model is provided with an exhaust filter box 1-2-3 for virus isolation when the turbid air of the respiratory tract is discharged, wherein the exhaust filter box 1-2-3 consists of an exhaust membrane pressing plate 1-2-3-1, an exhaust disinfection membrane 1-2-3-2 and an exhaust membrane mounting outer box 1-2-3-3; an exhaust membrane installation chamber 1-2-3-3-2 is arranged in the exhaust membrane installation outer box 1-2-3-3, the exhaust disinfection membrane 1-2-3-2 is installed in the exhaust membrane installation chamber 1-2-3-3-2, and an exhaust membrane pressing plate 1-2-3-1 is pressed on the exhaust disinfection membrane 1-2-3-2; the exhaust diaphragm pressure plate 1-2-3-1 is provided with an exhaust pressure plate vent hole 1-2-3-1-1; the air vent 1-2-3-3-1 of the air vent outer box is arranged on the air vent film mounting outer box 1-2-3-3-3.
Due to the adoption of the technical scheme, the utility model discloses better realize its purpose, the utility model discloses an oxygen suppliment exhaust apparatus 1 can be better for providing novel air in the protective clothing, can discharge the muddy gas in the protective clothing outside the protective clothing simultaneously, the many inlet channels 3-1-1 that set up in its oxygenation head 3 can be in the gauze mask of gentle discharge fresh air, the oxygen suppliment filter box 1-1-3 and the exhaust filter box 1-2-3 that set up can filter the isolation virus to the air of business turn over gauze mask; the plurality of air outlet pipelines 3-1-2-1 can timely discharge turbid gas in the mask, so that fresh air is better provided for medical care personnel when using the medical mask, and the difficulties of difficult breathing and small amount of breathing oxygen are better solved; a natural breathing environment is provided for fine work such as blood vessel injection of medical staff, and the risk of cross infection of the medical staff is reduced; the progress and development of the medical care industry are promoted better.
Description of the drawings:
fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the present invention 1.
Fig. 3 is a detailed structural diagram of the present invention 1.
Fig. 4 is a schematic structural diagram of the utility model 1-1-1.
Figure 5 is a schematic structural view of the utility model 1-1-3.
FIG. 6 is a schematic structural diagram of the present invention labeled 1-1-3-3.
Fig. 7 is a schematic structural diagram of the present invention 1-2.
FIG. 8 is a schematic diagram of the explosion structure of the utility model with the reference numbers 1-2-1, 1-2-2 and 1-2-6.
Figure 9 is a schematic diagram of the explosion structure of the present invention, labeled 1-2-3.
Fig. 10 is a schematic structural diagram of the present invention 2 and 4.
Fig. 11 is a schematic structural diagram of the present invention numeral 3.
Fig. 12 is a schematic structural diagram of the utility model numeral 3-1.
Fig. 13 is a schematic cross-sectional structure of the utility model 3-1.
FIG. 14 is a schematic cross-sectional view of the cross-sectional structure of the utility model labeled 3-1-4 in the reference 3-1.
FIG. 15 is a schematic structural diagram of the utility model with the reference numeral 3-1 and the reference numeral 3-1-4-1 in the other direction.
Fig. 16 is a schematic structural diagram of the present invention, numeral 3-2.
Fig. 17 is a schematic structural diagram of the connection mode of the present invention.
Fig. 18 is a schematic structural diagram of the operation of the present invention.
Description of reference numerals: an oxygen supply and exhaust device 1; an oxygen supply apparatus 1-1; an oxygen supply device shell 1-1-1; an oxygen supply pipe mounting hole 1-1-1-1; oxygen supply convergence bins 1-1-1-2; an oxygen supply fan mounting hole 1-1-1-2-1; an oxygen supply negative pressure chamber 1-1-1-3; an oxygen supply filter box mounting port 1-1-1-3-1; an oxygen supply fan line hole 1-1-1-3-2; 1-1-2 of an oxygen supply fan; 1-1-3 of an oxygen supply filter box; an oxygen supply membrane installation outer box 1-1-3-1; 1-1-3-1-1 of oxygen supply vent hole; an oxygen supply film installation chamber 1-1-3-1-2; 1-1-3-2 oxygen supply disinfection film; 1-1-3-3 of an oxygen supply membrane gland; 1-1-3-3-1 of an oxygen supply gland vent hole; an oxygen supply gland limiting annular ring 1-1-3-3-2; an exhaust device 1-2; an exhaust pipe joint 1-2-1; an exhaust pipe mounting hole 1-2-1-1; an exhaust joint limit annular ring 1-2-1-2; an exhaust device housing 1-2-2; 1-2-2-1 of an exhaust gas gathering bin; an exhaust negative pressure chamber 1-2-2-2; an exhaust filter box mounting hole 1-2-2-2-1; an exhaust fan mounting hole 1-2-2-2; 1-2-2-3 of an exhaust bin; an outlet 1-2-2-3-1 of the exhaust bin; a power supply installation room 1-2-2-4; the oxygen supply fan passes through the wire hole 1-2-2-4-1; 1-2-3 of an exhaust filter box; 1-2-3-1 of an exhaust membrane pressing plate; 1-2-3-2 parts of an exhaust gas disinfection membrane; an exhaust membrane installation outer box 1-2-3-3; air vent 1-2-3-3-1 of the exhaust outer box; an exhaust membrane installation chamber 1-2-3-3-2; the exhaust filter box fixing holes are 1-2-3-3-3; 1-2-4 of an exhaust fan; 1-2-5 parts of a battery isolation plate; the wire hole of the exhaust fan is 1-2-5-1; 1-2-6 parts of a battery plug; 1-2-6-1 of a fan switch; the plug limits the annular ring 1-2-6-2; 1-2-6-3 of a plug mounting layer; an oxygen supply tube 2; an oxygen increasing head 3; an inlet and outlet pipeline air exchange head 3-1; an air inlet shunt bin 3-1-1; an air inlet pipeline 3-1-1-1; 3-1-2 of an air outlet flow gathering bin; an air outlet pipeline 3-1-2-1; 3-1-3 of a bin separation isolation plate; 3-1-4 of anti-slip strips; 3-1-4-1 of an anti-slip groove; 3-1-4 of ventilation circulation bin; 3-2 of a gas pipe connector; the oxygen supply pipe is connected with a hole 3-2-1; the air outlet pipe is connected with the hole 3-2-2; a ventilation head installation chamber 3-2-3; an exhaust pipe 4; and a battery 5.
The specific implementation mode is as follows:
the invention will be further described with reference to the accompanying drawings:
example 1:
according to the invention, the disposable medical mask oxygenator consists of an oxygen supply and exhaust device 1, an oxygen supply pipe 2, an oxygenating head 3, an exhaust pipe 4 and a battery 5; the oxygen supply and exhaust device 1 consists of an oxygen supply device 1-1 and an exhaust device 1-2; the oxygen supply device 1-1 consists of an oxygen supply device shell 1-1-1, an oxygen supply fan 1-1-2 and an oxygen supply filter box 1-1-3; an oxygen supply convergence bin 1-1-1-2 and an oxygen supply negative pressure chamber 1-1-1-3 are arranged in the oxygen supply device shell 1-1-1; the oxygen supply fan 1-1-2 is arranged at the junction of the oxygen supply confluence bin 1-1-1-2 and the oxygen supply negative pressure chamber 1-1-1-3; an oxygen supply filter box mounting port 1-1-1-3-1 is arranged below the oxygen supply negative pressure chamber 1-1-1-3, and the oxygen supply filter box 1-1-3 is arranged in the oxygen supply filter box mounting port 1-1-1-3-1;
the exhaust device 1-2 consists of an exhaust pipe joint 1-2-1, an exhaust device shell 1-2-2, an exhaust filter box 1-2-3, an exhaust fan 1-2-4, a battery isolation plate 1-2-5 and a battery plug 1-2-6;
an exhaust pipe mounting hole 1-2-1-1 is formed in the exhaust pipe joint 1-2-1, and an exhaust joint limiting ring 1-2-1-2 is arranged outside the exhaust pipe joint; an exhaust gas gathering chamber 1-2-2-1, an exhaust negative pressure chamber 1-2-2-2, an exhaust chamber 1-2-2-3 and a power supply installation chamber 1-2-2-4 are arranged in the exhaust device shell 1-2-2; the exhaust filter box 1-2-3 is arranged in the middle of the exhaust gas gathering bin 1-2-2-1 and the exhaust negative pressure chamber 1-2-2-2; the exhaust fan 1-2-4 is provided with an exhaust negative pressure chamber 1-2-2-2 and the middle part of an exhaust bin 1-2-2-3; the battery isolation plate 1-2-5 is arranged in the middle of the exhaust bin 1-2-2-3 and the power supply installation chamber 1-2-2-4; the bottom of the power supply installation chamber 1-2-2-4 is provided with a battery plug installation opening 1-2-2-4-2, and the battery plug 1-2-6 is installed in the battery plug installation opening 1-2-2-4-2; the side surface of the exhaust bin 1-2-2-3 is provided with an exhaust bin outlet 1-2-2-3-1;
a fan switch 1-2-6-1 is arranged at the bottom of the battery plug 1-2-6; a plug limiting annular ring 1-2-6-2 is arranged below the plug mounting layer 1-2-6-3 of the battery plug 1-2-6;
the oxygen increasing head 3 consists of an inlet and outlet pipeline air exchange head 3-1 and an air pipe connector 3-2; the front end of the air exchange head 3-1 of the inlet and outlet pipeline is provided with an inlet gas shunt bin 3-1-1 and an outlet gas gathering bin 3-1-2, and a bin separation baffle 3-1-3 is arranged between the inlet gas shunt bin 3-1-1 and the outlet gas gathering bin 3-1-2; the rear end is provided with a ventilation circulation bin 3-1-5; a plurality of air inlet pipelines 3-1-1-1 are arranged in the air inlet shunt bin 3-1-1 towards the direction of the ventilation circulation bin 3-1-5; a plurality of air outlet pipelines 3-1-2-1 are arranged in the air outlet flow gathering bin 3-1-2 towards the direction of the air exchange flow bin 3-1-5; the upper surface of the air exchange head 3-1 of the inlet and outlet pipeline is provided with a plurality of arc-shaped anti-skid strips 3-1-4, and the middle of each arc-shaped anti-skid strip 3-1-4 is provided with an anti-skid groove 3-1-4-1; the front end of the air pipe connector 3-2 is provided with an oxygen supply pipe connecting hole 3-2-1 and an air outlet pipe connecting hole 3-2-2, and the inner side of the reverse side of the oxygen supply pipe connecting hole 3-2-1 and the air outlet pipe connecting hole 3-2-2 is provided with an air exchange head mounting chamber 3-2-3; the outer surface parts of the air inlet shunt bin 3-1-1 and the air outlet convergence bin 3-1-2 are arranged in the air exchange head installation chamber 3-2-3;
an oxygen supply pipe mounting hole 1-1-1-1 is formed in the middle of the tail end of an oxygen supply device shell 1-1-1 on the oxygen supply and exhaust device 1, an exhaust pipe mounting hole 1-2-1-1 is formed in the middle of an exhaust pipe joint 1-2-1 of the exhaust device 1-2, and a power supply mounting chamber 1-2-2-4 is arranged below the exhaust pipe joint 1-2-1; an oxygen supply pipe connecting hole 3-2-1 and an air outlet pipe connecting hole 3-2-2 are arranged on an air pipe connector 3-2 of the oxygen increasing head 3; two ends of the oxygen supply pipe 2 are respectively connected with an oxygen supply pipe mounting hole 1-1-1 and an oxygen supply pipe connecting hole 3-2-1; two ends of the exhaust pipe 4 are respectively connected with an exhaust pipe mounting hole 1-2-1-1 and an exhaust pipe connecting hole 3-2-2; the battery 5 is arranged in the power supply installation chamber 1-2-2-4;
the utility model discloses a working method: starting a fan switch 1-2-6-1 to start an oxygen supply fan 1-1-2, generating negative pressure in an oxygen supply negative pressure chamber 1-1-1-3, sucking air to the oxygen supply negative pressure chamber 1-1-1-3 through an oxygen supply filter box 1-1-3, filtering the air to obtain air, flowing the air into a ventilation circulation chamber 3-1-5 through a plurality of air inlet pipes 3-1-1-1 for medical personnel to inhale the oxygen, and discharging turbid air in the ventilation circulation chamber 3-1-5 to an air outlet through a plurality of air outlet pipes 3-1-2-1 The gas collecting bin 3-1-2 enters the exhaust gas collecting bin 1-2-2-1 through the exhaust gas collecting bin 3-1-2 and the exhaust pipe 4; meanwhile, the exhaust negative pressure chamber 1-2-2-2 generates negative pressure, so that turbid air in the exhaust air gathering bin 1-2-2-1 enters the exhaust negative pressure chamber 1-2-2-2 after being filtered by the exhaust filter box 1-2-3, is discharged into the exhaust bin 1-2-2-3 through the exhaust negative pressure chamber 1-2-2-2, and is discharged into natural air through the exhaust bin outlet 1-2-2-3-1 on the exhaust bin 1-2-2-3.
The patent of the utility model discloses an use disposable medical gauze mask oxygenator indicates: when the medical staff uses the disposable medical mask, the oxygen increasing device increases oxygen to the medical staff, and the oxygen increasing refers to increasing fresh air.
Oxygen suppliment exhaust apparatus 1 of the utility model indicate: oxygen supply means passing fresh air; the exhaust is to discharge the turbid air; means for powering the displacement cycle of air; and a virus isolation device is arranged; the structure is shown in figures 2 and 3; the design position is shown in figure 1.
The utility model discloses an oxygen supply apparatus 1-1 mean: a power and system device for providing oxygen to the oxygen increasing head 3; the structure is shown in figures 2 and 3; the design position is shown in figures 2 and 3.
The utility model discloses oxygen supply device shell 1-1-1 indicate: a main body support frame of the oxygen supply device 1-1; the structure is shown in figure 4; the design position is shown in figures 2 and 3.
The oxygen supply pipe mounting hole 1-1-1-1 of the utility model refers to: the oxygen supply pipe 2 is provided with a connecting hole; the structure is shown in the attached drawings; the design position is shown in figures 3 and 4.
The oxygen supply oxygen confluence bin 1-1-1-2 of the utility model refers to: a sealed air chamber; collecting the gas discharged by the oxygen supply filter boxes 1-1-3; air is input into the protective clothing through the oxygen supply fan 1-1-2; the positions are shown in figures 3 and 4.
The oxygen supply fan mounting hole 1-1-1-2-1 of the utility model refers to: a hole for fixing the oxygen supply fan 1-1-2; the design position is shown in figure 4.
The oxygen supply negative pressure chamber 1-1-1-3 of the utility model refers to: the oxygen supply fan generates negative pressure when working; the design position is shown in figures 3 and 4.
The utility model discloses an oxygen suppliment filter cartridge installing port 1-1-1-3-1 mean: the installation position of the oxygen supply filter box 1-1-3 is an opening; the design position is shown in figure 4.
The utility model discloses oxygen suppliment fan line hole 1-1-1-3-2 mean: a through hole; a power line passageway of the oxygen supply fan 1-1-2; the hole needs to be sealed after the power line passes through the hole; the design position is shown in figures 3 and 4.
The utility model discloses oxygen suppliment fan 1-1-2 indicate: providing fresh air conveying power; a (3-12V) dry battery miniature induced draft fan is adopted, and the induced draft fan is started to generate negative pressure in the oxygen supply negative pressure chamber 1-1-1-3, so that external fresh air is sucked to enter the oxygen supply negative pressure chamber 1-1-1-3 through the oxygen supply filter box 1-1-3; the air outlet of the oxygen supply fan 1-1-2 is arranged towards the direction of the oxygen supply confluence bin 1-1-1-2, and the air inlet of the oxygen supply fan 1-1-2 is arranged towards the direction of the oxygen supply negative pressure chamber 1-1-1-3; the design position is shown in figures 2 and 3.
The exhaust device 1-2 of the utility model refers to: the structure is shown in the attached drawings; the design position is shown in the attached drawing. A power and system device for discharging the turbid air from the oxygen increasing head 3; the structure is shown in figures 2 and 3.
The utility model discloses an exhaust pipe joint 1-2-1 mean: a joint connected with the exhaust pipe 4; the structure is shown in figure 8; the design position is shown in figures 2 and 3.
The exhaust pipe mounting hole 1-2-1-1 of the utility model refers to: a connecting hole for installing the exhaust pipe 4; sealing the exhaust pipe with glue; the design position is shown in figure 3.
The exhaust joint limit annular ring 1-2-1-2 of the utility model refers to: a layer of ring edge for limiting the installation depth, and the structure is shown in figure 8; the design position is shown in figure 8.
The utility model discloses an exhaust apparatus shell 1-2-2 indicate: the main body of the exhaust device 1-2 forms a structural pipe; the structure is shown in figure 8; the design position is shown in figure 8.
The exhaust gas gathering bin 1-2-2-1 of the utility model refers to: a space; a gas storage; a turbid air collection chamber; the design position is shown in figure 3.
The novel exhaust negative pressure chamber 1-2-2-2 is used for: a space for generating negative pressure when the exhaust fan works; the design position is shown in figures 3 and 8.
The exhaust filter box mounting hole 1-2-2-2-1 of the utility model refers to: a fixing hole for installing the exhaust filter box 1-2-3; the design position is shown in figure 8.
The exhaust fan mounting hole 1-2-2-2-2 of the utility model means: a hole for fixing the exhaust fan 1-2-4 during installation; the design position is shown in figure 8.
The utility model discloses an exhaust storehouse 1-2-2-3 indicate: a space for discharging the turbid air; the design position is shown in figure 3.
The outlet 1-2-2-3-1 of the exhaust bin of the utility model is as follows: an outlet for discharging the turbid air; the design position is shown in figures 3 and 8.
The utility model discloses a power installation room 1-2-2-4 indicate: a separate space; the position of the battery 5; the structure is shown in the attached drawings; the design position is shown in figure 3.
The oxygen supply fan of the utility model is characterized in that the line passing hole 1-2-2-4-1 is: the power line of the oxygen supply fan 1-1-2 passes through the channel hole, and the power line needs to be sealed after being installed; the design position is shown in figure 3.
The exhaust fan 1-2-4 of the utility model refers to; the conveying power of the discharged turbid air adopts a (3-12V) dry battery miniature induced draft fan, and the function of the miniature induced draft fan is to enable the exhaust negative pressure chamber 1-2-2-2 to generate negative pressure after the fan is started, so that turbid air in the mask is attracted to enter the exhaust bin 1-2-2-3 through the exhaust disinfection membrane 1-2-3-2 and is discharged through the exhaust bin outlet 1-2-2-3-1; the air inlet of the exhaust fan 1-2-4 is arranged towards the direction of the exhaust negative pressure chamber 1-2-2-2; the air outlet of the exhaust fan 1-2-4 is arranged towards the direction of the exhaust bin 1-2-2-3; the design position is shown in figures 2 and 3.
The battery isolation board 1-2-5 of the utility model refers to: the solid plate is provided with an exhaust fan wire hole 1-2-5-1, and a power wire needs to be sealed after being installed and is sealed by glue; the space division function is realized; the design position is shown in figures 2 and 3.
The utility model discloses an exhaust fan line hole 1-2-5-1 indicate: the power line of the exhaust fan 1-2-4 passes through the wire hole, and the hole is sealed after the wire passes through the wire hole and sealed by glue; the design position is shown in figure 3.
The battery plug 1-2-6 of the utility model refers to: a plug for sealing the power supply installation chamber 1-2-2-4 after installing the battery 5, and the structure of the plug is shown in figure 8; the design position is shown in figures 2 and 3.
The utility model discloses a fan switch 1-2-6-1 indicate: a power switch for controlling the on and off of the operation functions of the two fans; the design position is shown in figures 3 and 8.
The utility model discloses a spacing annular ring of end cap 1-2-6-2 indicate: a limiting ring edge for limiting the installation depth of the battery plug 1-2-6; the design position is shown in figure 8.
The utility model discloses end cap installation layer 1-2-6-3 indicate: a limiting protruding layer, a limiting installation block of the battery plug 1-2-6; the design position is shown in figure 8.
The oxygen supply pipe 2 of the utility model is as follows: medical silicone tube, hose; is an air circulation connecting pipe between the oxygen supply and exhaust device 1 and the oxygen increasing head 3; the design position is shown in the attached figures 1 and 10.
The oxygen increasing head 3 of the utility model is as follows: a plug inserted between the face of human body and the interior of the mask, and a delivery head for inputting and outputting air; when in use: the mask is inserted from the position below the ears and close to the mouth corner of the face after being worn; the connection mode of the oxygen increasing head 3 and the mask can also adopt that a socket matched with the oxygen increasing head is arranged on the side surface of the mouth-nose junction on the mask to realize the connection with the oxygen increasing head; the rubber is made of soft silica gel raw materials or TPU elastomer raw materials with the hardness of 50A-75A; the structure is shown in figure 11; the design position is shown in figure 1.
The air exchange head 3-1 of the inlet and outlet pipeline of the utility model refers to: a plug inserted between the face of human body and the inside of the mask, and an air exchange head for inputting and outputting air; the rubber is made of soft silica gel raw materials or TPU elastomer raw materials with the hardness of 50A-75A; the section structure of the inlet and outlet pipeline air exchange head 3-1 consists of an inlet gas distribution cabin 3-1-1 and an outlet gas collection cabin 3-1-2, and a cabin separation partition plate 3-1-3 is arranged in the middle; the section structure of the novel split bin type air inlet cover gradually thins from the split bin isolation plate 3-1-3 to two sides to a sharp-angled shape, the design aims to achieve the effect that the novel split bin type air inlet cover is inserted into a gap between the air inlet cover and the face to achieve sealing when in use, and the section structure is shown in the attached drawing 14; the structure is shown in figure 12, and the plan view is shown in figure 13; the design position is shown in figure 11.
The air inlet flow dividing bin 3-1-1 of the utility model refers to: a space; a gas storage; entering a shunting and pre-storing warehouse of fresh air inside the inlet cover; the design position is shown in the attached figure 11.
The air inlet pipeline 3-1-1-1 of the utility model refers to: the purpose of designing a plurality of air inlet pipelines 3-1-1-1 is to divide air into the inlet mask to disperse flow, so that one large pipeline is changed into a plurality of small pipelines, and the air inlet and outlet pipeline air exchange head 3-1 can be naturally thinner and smaller; the design position is shown in fig. 11, and the plane position is shown in fig. 13.
The air outlet flow gathering bin 3-1-2 of the utility model refers to: a space; a gas storage; a collection warehouse for the turbid air discharged from the mask, which is used for collecting the turbid air of a plurality of discharge pipes and then concentrating the turbid air into the exhaust pipe 4; the design position is shown in figure 11, and the design plane position is shown in figure 13.
The air outlet pipeline 3-1-2-1 of the utility model refers to: the purpose of designing a plurality of air outlet pipelines 3-1-2-1 is to divide the air to be discharged out of the mask, disperse the flow, change a large pipeline into a plurality of small pipelines, and naturally make the air exchange head 3-1 of the inlet and outlet pipeline thinner and smaller; the design position is shown in fig. 11, and the plane position is shown in fig. 13.
The bin dividing isolation plate 3-1-3 of the utility model refers to: a partition plate and a clapboard are arranged in the two spaces of the inlet gas distribution bin 3-1-1 and the outlet gas collection bin 3-1-2; the design position is shown in figure 11.
The utility model discloses antislip strip 3-1-4 indicate: the oxygen increasing head 3 is inserted between the socket cover and the face and then is prevented from sliding out of the socket cover; the structure is shown in figure 11; the design position is shown as figure 11, the plane position is shown as figure 13, and the section structure position is shown as figure 14; the lateral position is shown in fig. 15.
The anti-skid groove 3-1-4-1 of the utility model refers to: in the space between the two anti-slip strips 3-1-4, the periphery of the mask part of the mask is provided with a rib, and the rib of the mask is clamped into the anti-slip groove 3-1-4-1 after the oxygen increasing head 3 is inserted, so that the oxygen increasing head 3 is prevented from sliding out of the mask; the design position is shown in fig. 15.
The ventilation circulation bin 3-1-5 of the utility model refers to: a space where the incoming fresh air meets the exhausted turbid space; the function of which is to displace air through a free space; the design position is shown in figures 11 and 12, and the plane is shown in figure 13; the working position is shown in figure 18.
The utility model discloses a tracheal connector 3-2 indicate: a connection joint of the oxygen supply pipe 2 and the exhaust pipe 4; the rubber is made of soft silica gel raw materials or TPU elastomer raw materials with the hardness of 50A-75A; the air pipe connector 3-2 and the inlet and outlet pipeline air exchange head 3-1 are matched and combined by adopting an ultrasonic welding process; the structure is shown in figure 11; the reverse structure is shown in FIG. 16; the design position is shown in figure 11.
The oxygen supply pipe connecting hole 3-2-1 of the utility model refers to: a mounting hole of the oxygen supply tube 2; the design position is shown in the attached drawing.
The outlet duct connecting hole 3-2-2 of the utility model means: mounting holes of the exhaust pipe 4; the design position is shown in figure 11.
The utility model discloses a first installation room of taking a breath 3-2-3 mean: a space, the inlet and outlet pipeline air exchange head 3-1 is connected with the space; the design position is shown in figure 16.
Example 2:
the utility model is provided with an oxygen supply filter box 1-1-3 for isolating virus from the air entering the breathing chamber; the oxygen supply filter box 1-1-3 consists of an oxygen supply membrane installation outer box 1-1-3-1, an oxygen supply disinfection membrane 1-1-3-2 and an oxygen supply membrane gland 1-1-3-3; an oxygen supply membrane installation chamber 1-1-3-1-2 is arranged in the oxygen supply membrane installation outer box 1-1-3-1, an oxygen supply disinfection membrane 1-1-3-2 is installed in the oxygen supply membrane installation chamber 1-1-3-1-2, and an oxygen supply membrane gland 1-1-3-3 is pressed on the oxygen supply disinfection membrane 1-1-3-2; the oxygen supply membrane installation outer box 1-1-3-1 is provided with an oxygen supply vent hole 1-1-3-1-1; the oxygen supply film gland 1-1-3-3 is provided with an oxygen supply gland vent hole 1-1-3-3-1 and an oxygen supply gland limiting annular ring 1-1-3-3-2.
The utility model discloses oxygen suppliment filter cartridge 1-1-3 mean: a box for filtering and isolating viruses; because the aperture of the filtering membrane in the filtering box is small, the flow is relatively small, and the flow is influenced, a plurality of filtering boxes are adopted to ensure that the flow input into the fan is larger and smoother; the oxygen supply filter box 1-1-3 is manufactured by ultrasonic welding; the structure is shown in figure 5; the mounting position is shown in fig. 2, 3 and 4.
The oxygen supply membrane installation outer box 1-1-3-1 of the utility model is as follows: an installation carrier of an oxygen supply disinfection membrane 1-1-3-2; injection molding by using an ABS raw material; the structure is shown in figure 5; the design position is shown in figure 5.
The oxygen supply vent hole 1-1-3-1-1 of the utility model refers to: a through hole; a through hole for air circulation is arranged on the oxygen supply film installation outer box 1-1-3-1; the design position is shown in figure 5.
The oxygen supply film installation room 1-1-3-1-2 of the utility model refers to: a space; the installation position of the oxygen supply disinfection membrane 1-1-3-2; the design position is shown in figure 5; the oxygen supply vent hole 1-1-3-1-1 is communicated with the oxygen supply film installation chamber 1-1-3-1-2.
The oxygen supply disinfection membrane 1-1-3-2 of the utility model is as follows: the diameter of droplets with viruses of the PTFE medical hydrophobic membrane is generally 1-10 micrometers, and the PTFE medical hydrophobic membrane is manufactured by adopting a hydrophobic membrane of 0.01-0.08um to realize virus isolation; the hydrophobic film can better block water mist and spray in the air; the function of the medical mask is to filter and disinfect the input air, prevent viruses from entering the medical mask and isolate the viruses; the design position is shown in figure 5.
The utility model discloses an oxygen supply membrane gland 1-1-3-3 mean: a cover plate for sealing the oxygen supply disinfection membrane 1-1-3-2; the structure is shown in figure 5; the reverse side is shown in figure 6; the design position is shown in figure 5.
The oxygen supply gland vent hole 1-1-3-3-1 of the utility model refers to: the oxygen supply membrane gland bush 1-1-3-3 is provided with a through hole for air circulation; the structure is shown in figure 5; the design position is shown in figure 5.
The oxygen supply gland limiting annular ring 1-1-3-3-2 of the utility model refers to: the limiting ring is used for limiting the depth of the oxygen supply membrane gland 1-1-3-3 towards the direction of the oxygen supply disinfection membrane 1-1-3-2 during welding; the structure is shown in figure 6.
Example 3:
the utility model is provided with an exhaust filter box 1-2-3 for virus isolation when the turbid air of the respiratory tract is discharged, wherein the exhaust filter box 1-2-3 consists of an exhaust membrane pressing plate 1-2-3-1, an exhaust disinfection membrane 1-2-3-2 and an exhaust membrane mounting outer box 1-2-3-3; an exhaust membrane installation chamber 1-2-3-3-2 is arranged in the exhaust membrane installation outer box 1-2-3-3, the exhaust disinfection membrane 1-2-3-2 is installed in the exhaust membrane installation chamber 1-2-3-3-2, and an exhaust membrane pressing plate 1-2-3-1 is pressed on the exhaust disinfection membrane 1-2-3-2; the exhaust diaphragm pressure plate 1-2-3-1 is provided with an exhaust pressure plate vent hole 1-2-3-1-1; the air vent 1-2-3-3-1 of the air vent outer box is arranged on the air vent film mounting outer box 1-2-3-3-3.
The utility model discloses an exhaust filter cartridge 1-2-3 mean: a box for filtering and isolating viruses; because the aperture of the filtering membrane in the filtering box is small, the flow is relatively small, and the flow is influenced, and the plurality of filtering boxes are adopted to ensure that the flow of the exhaust fan is larger and smoother; the exhaust filter box 1-2-3 is manufactured by ultrasonic welding; the structure is shown in figure 9; the installation position is shown in figures 2 and 3.
The exhaust membrane pressing plate 1-2-3-1 of the utility model refers to: a cover plate of the exhaust gas sterilization film 1-2-3-2; the structure is shown in figure 9; the reverse side is as shown in figure 9; the design position is shown in figure 9.
The air vent 1-2-3-1-1 of the exhaust pressure plate of the utility model refers to: the structure of the air circulation hole on the exhaust membrane pressing plate 1-2-3-1 is shown in figure 9; the design position is shown in figure 9.
The utility model discloses an exhaust virus killing membrane 1-2-3-2 mean: the structure is shown in the attached drawings; the design position is shown in the attached drawing. The diameter of droplets with viruses of the PTFE medical hydrophobic membrane is generally 1-10 micrometers, and the PTFE medical hydrophobic membrane is manufactured by adopting a hydrophobic membrane of 0.01-0.08um to realize virus isolation; the hydrophobic film can better block water mist and spray in the air; the function of the device is to filter and disinfect the output turbid air, prevent virus from circulating and isolate the virus; the design position is shown in figure 9.
The exhaust membrane installation outer box 1-2-3-3 of the utility model refers to: the structure of the carrier box for installing the exhaust disinfection membrane 1-2-3-2 is shown in figure 9; the design position is shown in figure 9.
The air vent 1-2-3-3-1 of the exhaust outer box of the utility model refers to: the air vent film is provided with an air circulation hole of the outer box 1-2-3-3; the structure is shown in figure 9; the design position is shown in figure 9.
The utility model discloses an exhaust membrane installation room 1-2-3-3-2 mean: a space; the installation position of the exhaust membrane installation outer box 1-2-3-3; the structure is shown in figure 9; the design position is shown in figure 9.
The fixing holes 1-2-3-3-3 of the exhaust filter box of the utility model refer to: a hole for fixing the exhaust filter box 1-2-3 when it is installed; the design position is shown in figure 9.
Claims (3)
1. An oxygen-enriching device for a disposable medical mask is characterized by comprising an oxygen supply and exhaust device (1), an oxygen supply pipe (2), an oxygen enriching head (3), an exhaust pipe (4) and a battery (5); the oxygen supply and exhaust device (1) consists of an oxygen supply device (1-1) and an exhaust device (1-2); the oxygen supply device (1-1) consists of an oxygen supply device shell (1-1-1), an oxygen supply fan (1-1-2) and an oxygen supply filter box (1-1-3); an oxygen supply convergence bin (1-1-1-2) and an oxygen supply negative pressure chamber (1-1-1-3) are arranged in the oxygen supply device shell (1-1-1); the oxygen supply fan (1-1-2) is arranged at the junction of the oxygen supply confluence bin (1-1-1-2) and the oxygen supply negative pressure chamber (1-1-1-3); an oxygen supply filter box mounting port (1-1-1-3-1) is arranged below the oxygen supply negative pressure chamber (1-1-1-3), and the oxygen supply filter box (1-1-3) is arranged in the oxygen supply filter box mounting port (1-1-1-3-1);
the exhaust device (1-2) consists of an exhaust pipe joint (1-2-1), an exhaust device shell (1-2-2), an exhaust filter box (1-2-3), an exhaust fan (1-2-4), a battery isolation plate (1-2-5) and a battery plug (1-2-6);
an exhaust pipe mounting hole (1-2-1-1) is formed in the exhaust pipe joint (1-2-1), and an exhaust joint limiting ring (1-2-1-2) is arranged outside the exhaust pipe joint (1-2-1-1); an exhaust gas gathering chamber (1-2-2-1), an exhaust negative pressure chamber (1-2-2-2), an exhaust chamber (1-2-2-3) and a power supply installation chamber (1-2-2-4) are arranged in the exhaust device shell (1-2-2); the exhaust filter box (1-2-3) is arranged in the middle of the exhaust gas gathering bin (1-2-2-1) and the exhaust negative pressure chamber (1-2-2-2); the exhaust fan (1-2-4) is arranged at the middle part of the exhaust negative pressure chamber (1-2-2-2) and the exhaust bin (1-2-2-3); the battery isolation plate (1-2-5) is arranged in the middle of the exhaust bin (1-2-2-3) and the power supply installation chamber (1-2-2-4); the bottom of the power supply installation chamber (1-2-2-4) is provided with a battery plug installation port (1-2-2-4-2), and the battery plug (1-2-6) is installed in the battery plug installation port (1-2-2-4-2); an exhaust bin outlet (1-2-2-3-1) is arranged on the side surface of the exhaust bin (1-2-2-3);
a fan switch (1-2-6-1) is arranged at the bottom of the battery plug (1-2-6); a plug limiting annular ring (1-2-6-2) is arranged below the plug mounting layer (1-2-6-3) of the battery plug (1-2-6);
the oxygen increasing head (3) consists of an inlet and outlet pipeline air exchange head (3-1) and an air pipe connector (3-2); the front end of the air exchange head (3-1) of the inlet and outlet pipeline is provided with an inlet gas distribution bin (3-1-1) and an outlet gas gathering bin (3-1-2), and a bin separation partition plate (3-1-3) is arranged between the inlet gas distribution bin (3-1-1) and the outlet gas gathering bin (3-1-2); the rear end is provided with a ventilation circulation bin (3-1-5); a plurality of air inlet pipelines (3-1-1-1) are arranged in the air inlet shunt bin (3-1-1) towards the direction of the ventilation circulation bin (3-1-5); a plurality of air outlet pipelines (3-1-2-1) are arranged in the air outlet flow gathering bin (3-1-2) towards the direction of the ventilation flow bin (3-1-5); the upper surface of the air exchange head (3-1) of the inlet and outlet pipeline is provided with a plurality of arc-shaped anti-skid strips (3-1-4), and the middle of each arc-shaped anti-skid strip (3-1-4) is provided with an anti-skid groove (3-1-4-1); the front end of the air pipe connector (3-2) is provided with an oxygen supply pipe connecting hole (3-2-1) and an air outlet pipe connecting hole (3-2-2), and the inner sides of the reverse sides of the oxygen supply pipe connecting hole (3-2-1) and the air outlet pipe connecting hole (3-2-2) are provided with a ventilation head mounting chamber (3-2-3); the outer surface parts of the air inlet shunt bin (3-1-1) and the air outlet convergence bin (3-1-2) are arranged in the air interchanger mounting chamber (3-2-3);
an oxygen supply pipe mounting hole (1-1-1-1) is formed in the middle of the tail end of an oxygen supply device shell (1-1-1) on the oxygen supply and exhaust device (1), an exhaust pipe mounting hole (1-2-1-1) is formed in the middle of an exhaust pipe joint (1-2-1) of the exhaust device (1-2), and a power supply mounting chamber (1-2-2-4) is arranged below the exhaust device (1-2-1); an oxygen supply pipe connecting hole (3-2-1) and an air outlet pipe connecting hole (3-2-2) are formed in an air pipe connector (3-2) of the oxygen increasing head (3); two ends of the oxygen supply pipe (2) are respectively connected with an oxygen supply pipe mounting hole (1-1-1-1) and an oxygen supply pipe connecting hole (3-2-1); two ends of the exhaust pipe (4) are respectively connected with the exhaust pipe mounting hole (1-2-1-1) and the exhaust pipe connecting hole (3-2-2); the battery (5) is arranged in the power supply installation chamber (1-2-2-4).
2. The disposable medical mask aerator as claimed in claim 1, wherein the oxygen supply filter cartridge (1-1-3) is composed of an oxygen supply membrane mounting outer box (1-1-3-1), an oxygen supply disinfection membrane (1-1-3-2) and an oxygen supply membrane press cover (1-1-3-3); an oxygen supply membrane installation chamber (1-1-3-1-2) is arranged in the oxygen supply membrane installation outer box (1-1-3-1), the oxygen supply disinfection membrane (1-1-3-2) is installed in the oxygen supply membrane installation chamber (1-1-3-1-2), and an oxygen supply membrane gland (1-1-3-3) is pressed on the oxygen supply disinfection membrane (1-1-3-2); the oxygen supply membrane installation outer box (1-1-3-1) is provided with an oxygen supply vent hole (1-1-3-1-1); the oxygen supply film gland (1-1-3-3) is provided with an oxygen supply gland vent hole (1-1-3-3-1) and an oxygen supply gland limiting annular ring (1-1-3-3-2).
3. The disposable medical mask oxygenator according to claim 1, wherein the exhaust filtering box (1-2-3) is composed of an exhaust membrane pressing plate (1-2-3-1), an exhaust disinfecting membrane (1-2-3-2) and an exhaust membrane mounting outer box (1-2-3-3); an exhaust membrane installation chamber (1-2-3-3-2) is arranged in the exhaust membrane installation outer box (1-2-3-3), the exhaust disinfection membrane (1-2-3-2) is installed in the exhaust membrane installation chamber (1-2-3-3-2), and an exhaust membrane pressing plate (1-2-3-1) is pressed on the exhaust disinfection membrane (1-2-3-2); the exhaust membrane pressing plate (1-2-3-1) is provided with an exhaust pressure plate vent hole (1-2-3-1-1); the exhaust membrane installation outer box (1-2-3-3) is provided with an exhaust outer box vent hole (1-2-3-3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020314593.XU CN212090550U (en) | 2020-03-14 | 2020-03-14 | Disposable medical mask aerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020314593.XU CN212090550U (en) | 2020-03-14 | 2020-03-14 | Disposable medical mask aerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212090550U true CN212090550U (en) | 2020-12-08 |
Family
ID=73635471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020314593.XU Expired - Fee Related CN212090550U (en) | 2020-03-14 | 2020-03-14 | Disposable medical mask aerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212090550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111214776A (en) * | 2020-03-14 | 2020-06-02 | 中南大学湘雅二医院 | Disposable medical mask aerator |
-
2020
- 2020-03-14 CN CN202020314593.XU patent/CN212090550U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111214776A (en) * | 2020-03-14 | 2020-06-02 | 中南大学湘雅二医院 | Disposable medical mask aerator |
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Granted publication date: 20201208 |