CN212014554U

CN212014554U - Medical protective mask capable of preventing airflow from leaking laterally

Info

Publication number: CN212014554U
Application number: CN202020283557.1U
Authority: CN
Inventors: 王学娟; 李奇玥; 李育玥
Original assignee: Guizhou University of Traditional Chinese Medicine
Current assignee: Guizhou University of Traditional Chinese Medicine
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-11-27
Anticipated expiration: 2030-03-06

Abstract

The utility model provides a medical protective facial mask of air current side leakage prevention, including the gauze mask body, the center department integrated into one piece at gauze mask body inner chamber top has the decompression layer, the center department integrated into one piece of gauze mask body inner chamber has airflow channel, airflow channel's all around integrated into one piece have the air current branch, the inner chamber integrated into one piece of gauze mask body has the inlayer sealing ring. The utility model discloses a cooperation of decompression layer can cushion the protection to the bridge of the nose position, prevent that the atress extrusion injury from appearing in the bridge of the nose skin of the person of wearing, the bridge of the nose position comfort level of reinforcing gauze mask body, through airflow channel and the branching cooperation of air current, can carry out the even flow to the gas of the person's of wearing oronasal exhalation, prevent to appear breathing not smooth phenomenon after the person of wearing wears the gauze mask body, through the cooperation of inlayer sealing ring, connecting portion and outer sealing ring, prevent that the gauze mask body and the condition of the person of wearing face laminating position great gap and outside air contact from appearing.

Description

Medical protective mask capable of preventing airflow from leaking laterally

Technical Field

The utility model relates to a medical protective facial mask field especially relates to a medical protective facial mask of anti-air current side leakage.

Background

In infectious disease prevention and control or some infectious diseases prevention and treatment places such as the department of respiratory medicine of hospital, medical staff need wear medical protective facial mask, thereby the harmful microorganism in the isolated air and the propagation of avoiding virus bacterium, current medical protective facial mask is easy air current side leakage, the filter effect is limited, the comfort level is limited, the air current that does not pass through the filtration gets into user's air flue, make it expose, probably lead to the condition such as infection to take place, protective facial mask's pressurization is worn, nose bridge and cheek partial pressure ratio are concentrated, this discomfort and the skin tissue damage that causes for the wearer has certain defect, consequently, it has very important meaning to develop a high efficiency filtration, prevent air current side leakage, sealed effectual, comfortable medical protective facial mask of decompression.

Therefore, it is necessary to provide a medical protective mask for preventing side leakage of air flow to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a medical protective facial mask of air current side leakage prevention has solved the problem that current medical protective facial mask does not possess high efficiency filtration, air current side leakage prevention, sealed effectual and the comfortable function of decompression.

For solving the technical problem, the utility model provides a pair of medical protective facial mask that air current side leaked prevents, including the gauze mask body, the central department integrated into one piece at gauze mask body inner chamber top has the decompression layer, the central department integrated into one piece of gauze mask body inner chamber has airflow channel, airflow channel's all around equal integrated into one piece have the air current branch, the inner chamber integrated into one piece of gauze mask body has the inlayer sealing ring, the bottom integrated into one piece of inlayer sealing ring has connecting portion, one side integrated into one piece that the inlayer sealing ring was kept away from to connecting portion has outer sealing ring.

Preferably, the positive homogeneous processing all around of gauze mask body has the hasp, the one end integrated processing that the gauze mask body was kept away from to the hasp has the fixed band, the quantity of fixed band is two, the material of fixed band adopts the stretch cord, the shape of fixed band sets up to flat.

Preferably, the inner cavity of the mask body is provided with a non-woven fabric, the surface of the non-woven fabric is provided with a superfine polypropylene fiber melt-blown material layer, and the mask body is of a symmetrical foldable structure.

Preferably, the inner layer sealing ring and the outer layer sealing ring are distributed in a shape surrounding a circle along the center of the mask body, and the inner layer sealing ring is made of a film pasted without tension.

Preferably, the nose bridge clip is integrally processed at the center of the top of the mask body, the nose bridge clip is made of a metal material which is plastic and not easy to deform, the pressure reducing layer is made of a polyurethane foam dressing material, and the pressure reducing layer is located on the inner side of the nose bridge clip.

Preferably, the connecting part is made of PVC materials, and the connecting part is in an organ-like structure.

Preferably, the airflow channel is located in the oral-nasal area, and the airflow branches are distributed in a scattering state along the periphery of the center of the airflow channel.

Compared with the prior art, the utility model provides a pair of prevent medical protective facial mask of air current side leakage has following beneficial effect:

the utility model provides a medical protective mask for preventing the side leakage of air flow,

1. the utility model can buffer and protect the nose bridge position through the matching of the pressure reducing layer, prevent the nose bridge skin of the wearer from being extruded and damaged by stress, enhance the comfort level of the nose bridge position of the mask body, can uniformly flow the gas exhaled by the nose and mouth of the wearer through the matching of the air flow channel and the air flow branch, prevent the phenomenon of unsmooth breathing after the mask body is worn by the wearer, enhance the tightness of the mask body and the face of the wearer through the matching of the inner sealing ring, the connecting part and the outer sealing ring, prevent the contact between the mask body and the face of the wearer in a larger gap and the outside air, and simultaneously enhance the overall comfort level of the mask body, thereby enabling the mask body to have the functions of high-efficiency filtration, airflow side leakage prevention, good sealing effect and comfortable pressure reduction, and effectively filter the virus and bacteria in the outside air, prevent the wearer from being infected by bacteria or viruses, and enhance the medical protection effect of the mask body.

2. The utility model is convenient for the wearer to elastically wear the mask body by the lock catch and the fixing band, the laminating tightness between the mask body and the face of the wearer is enhanced, the mask body is prevented from deviating or falling off from the face of the wearer, bacteria and viruses in the air can be effectively filtered by the non-woven fabric and the superfine polypropylene fiber melt-blown material layer, simultaneously, particulate matters in the air are efficiently filtered, peculiar smell is removed, and the propagation of infectious diseases is blocked, the inner sealing ring and the outer sealing ring are distributed along the center of the mask body in a shape surrounding a circle, the laminating tightness between the mask body and the face of the wearer is enhanced, the material passing through the nose bridge clamp is made of plastic and non-deformable metal material, a large gap is prevented from appearing between the mask body and the nose bridge of the wearer, the material passing through the pressure reduction layer is polyurethane foam dressing material, the comfort level of reinforcing gauze mask body and the person's of wearing bridge of the nose position prevents that the person's of wearing bridge of the nose skin from appearing the damage, the material through connecting portion adopts PVC material and structure to adopt organ appearance structure, strengthen the firm in connection nature between inlayer sealing ring and the outer sealing ring, the whole protective effect of reinforcing gauze mask body, it distributes to be scattering state all around along airflow channel center department to be located oronasal region and air current branch through airflow channel, can carry out the even flow to the gas of the person's of wearing exhalation and handle, the person's of wearing breathing smoothness nature is strengthened.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a medical protective mask for preventing lateral airflow leakage according to the present invention;

fig. 2 is a front view of the mask body shown in fig. 1.

Reference numbers in the figures: 1. a mask body; 2. a pressure reducing layer; 3. an air flow channel; 4. an inner seal ring; 5. a connecting portion; 6. an outer sealing ring; 7. locking; 8. fixing belts; 9. a nose bridge clip.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 and fig. 2 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a medical protective mask for preventing air leakage from side, fig. 2 is a main structural view of the mask body shown in fig. 1, and the medical protective mask for preventing air leakage from side comprises a mask body 1, a pressure reduction layer 2 is integrally processed at the center of the top of the inner cavity of the mask body 1, an air flow channel 3 is integrally processed at the center of the inner cavity of the mask body 1, air flow branches are integrally processed around the air flow channel 3, an inner sealing ring 4 is integrally processed in the inner cavity of the mask body 1, a connecting portion 5 is integrally processed at the bottom of the inner sealing ring 4, and an outer sealing ring 6 is integrally processed at one side of the connecting portion 5 away from the inner sealing ring 4.

The positive all integrated into one piece all around of gauze mask body 1 has hasp 7, the one end integrated into one piece that gauze mask body 1 was kept away from to hasp 7 has fixed band 8, the quantity of fixed band 8 is two, the elasticity rope is adopted to the material of fixed band 8, the shape of fixed band 8 sets up to the platode, and the person of being convenient for to wear carries out elasticity to gauze mask body 1 and wears, strengthens gauze mask body 1 and the inseparable degree of laminating between the person of wearing face, prevents that gauze mask body 1 from taking place the skew or droing from the person of wearing face.

The inner chamber of gauze mask body 1 is provided with the non-woven fabrics, and the surface of non-woven fabrics is provided with superfine polypropylene fiber melt-blown material layer, can carry out effective filtration to bacterium and virus in the air, also filters the particulate matter in the air high-efficiently simultaneously, gets rid of the peculiar smell, blocks the transmission of infectious disease, gauze mask body 1 sets up the beta structure into the symmetry.

Inner sealing ring 4 and outer sealing ring 6 are all located to be around a week shape distribution along the center of gauze mask body 1, the film that inner sealing ring 4's material was pasted for no tension, strengthens the laminating degree between gauze mask body 1 and the wearer face.

The central department integrated processing at 1 top of gauze mask body has nose bridge to press from both sides 9, the material that nose bridge pressed from both sides 9 adopts plasticity and non-deformable's metal material to make, prevents that great gap from appearing in gauze mask body 1 and the person's of wearing bridge of the nose position, the material of decompression layer 2 is polyurethane foam dressing material, decompression layer 2 is located the inboard that the nose bridge pressed from both sides 9, strengthens the comfort level of gauze mask body 1 and the person's of wearing bridge of the nose position, prevents that person's of the nose skin from appearing the damage.

The connecting portion 5 is made of PVC materials, the connecting portion 5 is in an organ-shaped structure, connection firmness between the inner layer sealing ring 4 and the outer layer sealing ring 6 is enhanced, and the overall protection effect of the mask body 1 is enhanced.

Airflow channel 3 is located the oronasal region, and airflow branch is the scattering state along 3 center departments of airflow channel all around and distributes, can carry out even flow to the gas of wearing person's exhalation and handle, strengthens wearing person's breathing smoothness nature.

The utility model provides a pair of medical protective facial mask who prevents air current side leakage's theory of operation as follows:

when using, when the person of wearing wears gauze mask body 1, the person of wearing takes off the pad pasting on inlayer sealing ring 4 earlier, the person of wearing pastes the viscose face of inlayer sealing ring 4 at the person of wearing's face after, the person of wearing makes gauze mask body 1 and face totally enclosed after, inlayer sealing ring 4 pastes to the person of wearing face corresponding position after, the person of wearing overlaps the fixed band 8 of gauze mask body 1 downside to the neck again, then 8 covers the fixed band of gauze mask body 1 upside in suitable position, the person of wearing adjusts gauze mask body 1 to best position, decompression protection cooperation through decompression layer 2, carry out the gas leakage experiment after the person of wearing pinches the nose bridge and presss from both sides 9 plasticly, then the completion is worn.

the utility model can buffer and protect the nose bridge position by the cooperation of the decompression layer 2, prevent the nose bridge skin of the wearer from being extruded and damaged by stress, enhance the comfort level of the nose bridge position of the mask body 1, and can uniformly flow the gas exhaled by the mouth and the nose of the wearer by the cooperation of the airflow channel 3 and the airflow branch to prevent the unsmooth breathing phenomenon after the mask body 1 is worn by the wearer, and enhance the tightness of the mask body 1 and the face of the wearer by the cooperation of the inner layer sealing ring 4, the connecting part 5 and the outer layer sealing ring 6 to prevent the contact between the mask body 1 and the face of the wearer in a larger gap and the outside air, and simultaneously enhance the whole comfort level of the mask body 1, thereby enabling the mask body 1 to have the functions of high-efficiency filtration, airflow side leakage prevention, good sealing effect and comfortable decompression, and effectively filtering the virus and bacteria in the outside air, the wearer is prevented from being infected by bacteria or viruses, and the medical protection effect of the mask body 1 is enhanced.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a prevent medical protective facial mask of air current side leakage, includes gauze mask body (1), its characterized in that: the utility model discloses a gauze mask body, including gauze mask body (1), inner chamber, air current channel (3), the center of gauze mask body (1) inner chamber department integrated into one piece, the equal integrated into one piece all around of air current channel (3) has the air current branch, the inner chamber integrated into one piece of gauze mask body (1) has inlayer sealing ring (4), the bottom integrated into one piece of inlayer sealing ring (4) has connecting portion (5), one side integrated into one piece that inlayer sealing ring (4) were kept away from in connecting portion (5) has outer sealing ring (6).

2. The medical protective mask for preventing the lateral leakage of the airflow according to claim 1, wherein the periphery of the front surface of the mask body (1) is integrally provided with the lock catch (7), one end of the lock catch (7) far away from the mask body (1) is integrally provided with the fixing band (8), the number of the fixing bands (8) is two, the fixing band (8) is made of elastic ropes, and the fixing band (8) is flat.

3. The medical protective mask for preventing the side leakage of the airflow according to claim 1, wherein the inner cavity of the mask body (1) is provided with a non-woven fabric, the surface of the non-woven fabric is provided with a superfine polypropylene fiber melt-blown material layer, and the mask body (1) is arranged in a symmetrical foldable structure.

4. The medical protective mask for preventing the lateral leakage of airflow according to claim 1, wherein the inner sealing ring (4) and the outer sealing ring (6) are distributed along the center of the mask body (1) in a shape of surrounding a circle, and the inner sealing ring (4) is made of a tension-free adhesive film.

5. The medical protective mask for preventing the lateral leakage of airflow according to claim 1, wherein a nose bridge clip (9) is integrally formed at the center of the top of the mask body (1), the nose bridge clip (9) is made of a metal material which is plastic and not easy to deform, the pressure reducing layer (2) is made of a polyurethane foam dressing material, and the pressure reducing layer (2) is located on the inner side of the nose bridge clip (9).

6. The medical protective mask for preventing the lateral leakage of airflow according to claim 1, wherein the connecting portion (5) is made of PVC, and the connecting portion (5) has an organ-like structure.

7. The medical protective mask for preventing the lateral leakage of the airflow according to claim 1, wherein the airflow channel (3) is located in the area of the mouth and nose, and the branches of the airflow are distributed in a scattering state along the periphery of the center of the airflow channel (3).