CN214232447U

CN214232447U - Cross infection preventing respiratory mask

Info

Publication number: CN214232447U
Application number: CN202022091713.7U
Authority: CN
Inventors: 邓辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-09-21
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a prevent cross infection's respiratory mask, including the cover body and fixed band, the cover body falls into filtering part and support component, adopts on the cover body, and fixed band and cover body coupling are equipped with the pneumatic valve on the cover body, and when the user breathes out, the pneumatic valve is closed, and when the user breathes in, the pneumatic valve is opened. The air valve is used for patients infected with viruses, the air valve is closed when the patient exhales, the viruses carried by the patients can be prevented from being directly spread outwards, and the viruses are filtered by the antibacterial and antivirus layer and then discharged into the air, so that the occurrence of cross infection is effectively prevented; when the patient inhales, the air valve is opened to ensure sufficient oxygen supply. The respirator is used for patients needing to use the respirator, can be directly connected with an oxygen supply pipeline of the respirator, does not need to wear a breathing mask on the patients, and is extremely convenient to use; thirdly, the device is directly connected with an atomized medicine pipeline of the atomized medicine supply equipment, and realizes the treatment and health care of lung, throat and other diseases requiring gas medicine supply through atomized medicine supply.

Description

Cross infection preventing respiratory mask

Technical Field

The utility model relates to a mask, in particular to a respirator for preventing cross infection.

Background

The existing mask has the defect of single function, and the following working modes are adopted for the mask provided with the air valve: when exhaling, the internal pressure of the mask body is increased, the gas one-way gas valve is opened, and when waste gas is exhausted out of the mask and a user inhales, the gas valve is closed. For example, through retrieval, the national intellectual property office discloses patent document with publication number CN207744738U in 2018, 8, 21, the utility model provides a medical mask for preventing infectious diseases, which comprises a mask body, an elastic adjusting block, a lace, a nose clip, a warning strip, a power supply, a switch, a buzzer, a one-way air valve, a filter element inlet and outlet, a filter element body, a sterile cotton cloth filter layer, an active carbon adsorption layer, a HEPA filter layer, an antibacterial layer, a medicine bag and a hydrophobic nano-coating layer, the medical mask for preventing infectious diseases is provided with the filter element body and internally provided with the medicine bag, and the physical protection toxic particles are organically combined with the medicine treatment or health care function, thereby effectively avoiding the suction of harmful viruses and bacteria in the air; and the filter core is removable, sets up bee calling organ in addition and makes things convenient for patient uncomfortable outside the ward to report to the police.

The pneumatic valve of above-mentioned patent, when exhaling, the internal pressure grow of cover, gaseous one-way pneumatic valve is opened, spreads out the virus that the patient carried easily, cross infection appears easily to the function is also relatively more single.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above disadvantages, the present invention provides a respiratory mask for preventing cross infection.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

the breathing mask for preventing cross infection comprises a mask body and a fixing band, wherein the fixing band is connected with the mask body, the mask body is provided with an air valve, when a user exhales, the air valve is closed, and when the user inhales, the air valve is opened.

Furthermore, the air valve comprises a circular valve body, a valve plate and a valve cover, wherein an outer annular blocking piece is arranged on the periphery of the upper end of the circular valve body, an inner annular blocking piece is arranged on the periphery of the valve cover, the lower end of the circular valve body penetrates through the cover body to be inserted into the valve cover, and the cover body is clamped between the outer annular blocking piece and the inner annular blocking piece; be equipped with well core plate in the ring shape valve body, the annular space between ring shape valve body and the well core plate is airflow channel, and well core plate is connected with the internal face of ring shape valve body through a plurality of connecting strips, and a plurality of connecting strips are radial distribution at well core plate periphery, and well core plate's face central part is equipped with the dead lever, the face of dead lever perpendicular to well core plate, be equipped with fixed pipe on the bottom surface of valve gap, the tip of dead lever is pegged graft in fixed pipe, the middle part of valve block is equipped with the mounting hole, the valve block is located the ring shape valve body and alternates on the dead lever through the mounting hole, and it has the air vent to open on the bottom surface of valve gap.

Furthermore, the bottom surface of the valve cover is an inclined surface, the lower end of the annular valve body and the bottom surface clamp and fix one side edge of the valve plate together, the other side edge of the valve plate is movable, and the vent hole of the valve cover is close to the movable side edge of the valve plate.

Furthermore, the surface of valve block is equipped with a plurality of annular archs, and a plurality of annular archs use the mounting hole of valve block as the centre of a circle.

Further, be equipped with the pipeline on the outer annular separation blade and connect, the pipeline connects for with oxygen supply equipment's oxygen suppliment tube coupling, perhaps with the atomizing medicine tube coupling of atomizing medicine supply equipment.

Furthermore, the gas filtering part of the mask body is sequentially composed of an outer layer, an anti-virus layer, a filtering layer and an inner layer, wherein the anti-virus layer is a compound nano antibacterial anti-virus layer, and the filtering layer is a PTFE nano membrane.

Furthermore, the fixing band adopts an ear hanging band or a tying band fixed on the head; and a shaping metal strip is arranged on the surface of the cover body and at a position corresponding to the nose bridge.

Furthermore, a plurality of discontinuous crease lines are arranged on the surface of the gas filtering part of the cover body, and the discontinuous crease lines bond all layers in the cover body together in a hot-pressing manner.

Furthermore, the gas filtering part of the cover body is formed by hot-pressing and bonding a plurality of layers of cloth blank sheets, the plurality of layers of cloth blank sheets are in bilateral symmetry, a V-shaped notch is formed in the middle of the lower side edge of each layer of cloth blank sheets, the lower side edge of each layer of cloth blank sheets is divided into a lower left side edge and a lower right side edge by the V-shaped notch, and the lower left side edge and the lower right side edge are overlapped together and hot-pressed to form the cover body.

Further, the cover body, in order to save and protect the environment, needs to retrieve and reuse, divides into filtering part and support part to the cover body, its characterized in that: the cover body supporting part is formed by plastic/plastic, a fixing band, a metal strip, a breather valve and the like. The support part is left empty, and the clamping function is designed according to the shape of the filter. The filter is installed to form a complete respirator for preventing cross infection.

The beneficial effects of the utility model reside in that:

the respiratory mask for preventing cross infection mainly has the following purposes: the air valve is closed when the patient is exhaled, so that the virus carried by the patient can be prevented from being directly spread outwards, and the virus must be filtered by the antibacterial and antivirus layer and then discharged into the air, and the occurrence of cross infection is effectively prevented; when the patient inhales, the air valve is opened to ensure sufficient oxygen supply. The air valve of the respiratory mask for preventing cross infection is provided with a pipeline joint which can be directly connected with an oxygen supply pipeline of the respirator, so that the respiratory mask is not required to be worn by a patient, and the respiratory mask is extremely convenient to use; thirdly, the pipeline joint of the patent is directly connected with an atomized medicine pipeline of atomized medicine supply equipment, and the treatment and the health care of lung, throat and other diseases requiring gas medicine supply are realized through atomized medicine supply.

The cover body is formed by hot-pressing and bonding a plurality of layers of cloth blank sheets or adopts a mode that a supporting part and a filtering part are separated, the cover body is manufactured by adopting the two modes, and the cover body has the characteristics of simple manufacturing process, simple operation and high manufacturing efficiency.

Drawings

The invention will be further explained with the aid of the accompanying drawings, in which, however, the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, without inventive step, further drawings can be obtained in accordance with the following drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the gas valve of FIG. 1;

fig. 3 is an expanded view shown in fig. 1.

In the figure: 1. a cover body; 2. fixing belts; 3. an air valve; 4. shaping the metal strip; 5. an outer layer; 6. a gas defense layer; 7. a filter layer; 8. an inner layer; 9. a discontinuous type embossing line; 10. a plurality of layers of cloth blank tablets; 11. a V-shaped notch; 12. a lower left side; 13. a lower right side; 14. a circular valve body; 15. a valve plate; 16. a valve cover; 17. an outer annular baffle; 18. an inner annular baffle plate; 19. a center plate; 20. a connecting strip; 21. fixing the rod; 22. a bottom surface; 23. a fixed tube; 24. mounting holes; 25. a vent hole; 26. an annular projection; 27. a pipeline joint.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper surface", "lower surface", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "forward", "reverse", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in figure 1, the respiratory mask for preventing cross infection comprises a mask body 1 and a fixing band 2, wherein the fixing band 2 is connected with the mask body 1, and in the embodiment of the patent, the fixing band 2 adopts a hanging ear band or a binding band. And a shaping metal strip 4 is arranged on the surface of the cover body 1 and at a position corresponding to the bridge of the nose. The mask body 1 is provided with an air valve 3, when a user exhales, the air valve 3 is closed, and when the user inhales, the air valve 3 is opened.

As shown in fig. 2, the air valve 3 comprises a circular valve body 14, a valve plate 15 and a valve cover 16, wherein an outer annular baffle 17 is arranged on the periphery of the upper end of the circular valve body 14, an inner annular baffle 18 is arranged on the periphery of the valve cover 16, the lower end of the circular valve body 14 penetrates through the cover body 1 and is inserted into the valve cover 16, the cover body 1 is clamped between the outer annular baffle 17 and the inner annular baffle 18, the outer annular baffle 17 is positioned on the outer surface of the cover body 1, and the inner annular baffle 18 is positioned on the inner surface of the cover body 1; be equipped with well core plate 19 in the ring shape valve body 14, the annular space between ring shape valve body 14 and the well core plate 19 is airflow channel, and well core plate 19 is connected through a plurality of connecting strip 20 and the internal face of ring shape valve body 14, and a plurality of connecting strip 20 are radial distribution at well core plate 19 periphery, and well core plate 19's face central part is equipped with dead lever 21, dead lever 21 perpendicular to well core plate 19's face, be equipped with fixed pipe 23 on the bottom surface 22 of valve gap 16, the tip of dead lever 21 is pegged graft in fixed pipe 23, the middle part of valve block 15 is equipped with mounting hole 24, valve block 15 is located the lower extreme of ring shape valve body 14 and alternates on dead lever 21 through mounting hole 24, and it has air vent 25 to open on the bottom surface of valve gap 16.

The bottom surface 22 of the valve cover 16 is an inclined surface, the lower end of the annular valve body 14 and the bottom surface 22 clamp and fix one side edge of the valve plate 15 together, the other side edge of the valve plate 15 is movable, the vent hole 25 of the valve cover 16 is close to the movable side edge of the valve plate 15, the valve plate 15 is tightly attached to the lower end of the annular valve body 14 to close an airflow channel during expiration, and the movable side edge of the valve plate 15 is separated from the lower end of the annular valve body 14 to open the airflow channel during inspiration.

The valve plate 15 is made of soft plastic. The surface of the valve plate 15 is provided with a plurality of annular protrusions 26, and the plurality of annular protrusions 26 use the mounting hole of the valve plate as the center of a circle. The annular protrusion 26 can play a role of a reinforcing rib, and the valve plate 15 is not easy to deform so as to improve the sealing performance of the air valve.

Be equipped with pipeline joint 27 on outer annular separation blade 17, pipeline joint 27 for with oxygen supply apparatus's oxygen suppliment tube coupling, perhaps with the atomizing medicine tube coupling of atomizing medicine supply apparatus. The outer annular flap 17, the annular valve body 14, the pipe joint 27, the connecting strip 20, the central plate 19 and the fixing rod 21 are integrally formed by injection molding. Similarly, the valve cover 16, the inner annular baffle 18 and the fixing tube 23 are also integrally formed by injection molding.

The respiratory mask for preventing cross infection mainly has the following purposes: the air valve is closed when the patient is exhaled, so that the virus carried by the patient can be prevented from being spread outwards, and the occurrence of cross infection is effectively prevented; when the patient inhales, the air valve is opened to ensure sufficient oxygen supply. The air valve of the respiratory mask for preventing cross infection is provided with a pipeline joint which can be directly connected with an oxygen supply pipeline of the respirator, so that the respiratory mask is not required to be worn by a patient, and the respiratory mask is extremely convenient to use; and thirdly, the pipeline joint of the patent is directly connected with an atomized medicine pipeline of atomized medicine supply equipment for treating the lung.

The mask body 1 is composed of an outer layer 5, an anti-virus layer 6, a filter layer 7 and an inner layer 8 in sequence. The outer layer 5 is made of waterproof non-woven fabric, the anti-poison layer 6 is made of a compound nano antibacterial anti-poison layer, and the filter layer 7 is made of a PTFE nano membrane and has a filtering effect of more than 99%. The inner layer 8 adopt 3S hydrophilic non-woven fabrics, not only can absorb moisture exhaled by a user, but also has comfortable feeling when being in contact with skin and has the function of preventing allergy. The cover body can be made of plastic/plastic, and the multi-layer filtering material is added to form a complete whole, so that the cover body can be recycled.

The surface of the cover body 1 is provided with a plurality of discontinuous embossing lines 9, and the discontinuous embossing lines 9 adhere all layers in the cover body together in a hot-pressing mode. The layers can be connected and fixed into a whole.

The mask body 1 is formed by hot-pressing and bonding a plurality of layers of cloth blank sheets, wherein the plurality of layers of the cloth blank sheets comprise the outer layer 5, the anti-virus layer 6, the filter layer 7 and the inner layer 8. The multilayer cloth blank sheet 10 is bilaterally symmetrical, a V-shaped notch 11 is formed in the middle of the lower side edge of the multilayer cloth blank sheet 10, the lower side edge of the multilayer cloth blank sheet 10 is divided into a lower left side edge 12 and a lower right side edge 13 by the V-shaped notch, and the lower left side edge 12 and the lower right side edge 13 are overlapped together and hot-pressed to form the cover body 1. The cover body 1 manufactured by adopting the mode is simple to operate and high in manufacturing efficiency.

Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a prevent cross infection's respiratory mask, includes the cover body and fixed band, fixed band and cover body coupling, its characterized in that: the mask body is provided with an air valve, when a user exhales, the air valve is closed, and when the user inhales, the air valve is opened.

2. The cross-infection resistant respiratory mask of claim 1 wherein: the air valve comprises a circular valve body, a valve block and a valve cover, wherein an outer annular blocking piece is arranged on the periphery of the upper end of the circular valve body, an inner annular blocking piece is arranged on the periphery of the valve cover, the lower end of the circular valve body penetrates through a cover body to be inserted into the valve cover, and the cover body is clamped between the outer annular blocking piece and the inner annular blocking piece; be equipped with well core plate in the ring shape valve body, the annular space between ring shape valve body and the well core plate is airflow channel, and well core plate is connected with the internal face of ring shape valve body through a plurality of connecting strips, and a plurality of connecting strips are radial distribution at well core plate periphery, and well core plate's face central part is equipped with the dead lever, the face of dead lever perpendicular to well core plate, be equipped with fixed pipe on the bottom surface of valve gap, the tip of dead lever is pegged graft in fixed pipe, the middle part of valve block is equipped with the mounting hole, the valve block is located the ring shape valve body and alternates on the dead lever through the mounting hole, and.

3. The cross-infection resistant respiratory mask of claim 2 wherein: be equipped with the pipeline on the outer annular separation blade and connect, the pipeline connects for oxygen suppliment tube coupling with oxygen supply equipment, perhaps with the atomizing medicine tube coupling that the atomizing supplied medicine equipment.

4. The cross-infection resistant respiratory mask of claim 2 wherein: the bottom surface of the valve cover is a protruding surface and comprises an inclined surface, the valve cover is prevented from being stuck with the face portion to close air, the lower end of the annular valve body and the bottom surface clamp and fix one side edge of the valve block together, the other side edge of the valve block is movable, and the vent hole of the valve cover is close to the movable side edge of the valve block.

5. The cross-infection resistant respiratory mask of claim 2 wherein: the surface of valve block is equipped with a plurality of annular archs, and a plurality of annular archs use the mounting hole of valve block as the centre of a circle.

6. A cross-infection prevention respiratory mask as claimed in any one of claims 1 to 5 wherein: the gas filtering part of the mask body is sequentially composed of an outer layer, a gas-defense layer, a filtering layer and an inner layer, wherein the gas-defense layer adopts a compound nano antibacterial gas-defense layer, and the filtering layer adopts a PTFE nano membrane.

7. The cross-infection resistant respiratory mask of claim 1 wherein: the fixing band adopts an ear hanging band or a tying band fixed on the head; and a shaping metal strip is arranged on the surface of the cover body and at a position corresponding to the nose bridge.

8. The cross-infection resistant respiratory mask of claim 6 wherein: the surface of the gas filtering part of the cover body is provided with a plurality of discontinuous crease lines, and the layers in the cover body are bonded together through hot pressing by the discontinuous crease lines.

9. The cross-infection resistant respiratory mask of claim 1 wherein: the gas filtering part of the cover body is formed by hot-pressing and bonding a plurality of layers of cloth blank sheets, the plurality of layers of cloth blank sheets are in bilateral symmetry, a V-shaped notch is formed in the middle of the lower side edge of each layer of cloth blank sheets, the lower side edge of each layer of cloth blank sheets is divided into a lower left side edge and a lower right side edge by the V-shaped notches, and the lower left side edge and the lower right side edge are overlapped together and hot-pressed to form the cover body.

10. The cross-infection resistant respiratory mask of claim 1 wherein: the mask body is divided into a filtering part and a supporting part, wherein the supporting part is made of plastic/plastic, a fixing band, a metal strip and a breather valve to form the mask body supporting part; the supporting part is left empty, the clamping function is designed according to the shape of the filter, and the filter is installed to form the complete respiratory mask for preventing cross infection.