CN212914250U

CN212914250U - Side leakage prevention mouth and nose mask

Info

Publication number: CN212914250U
Application number: CN202021516437.8U
Authority: CN
Inventors: 李晓
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-04-09
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a side leakage prevention nose mask, which comprises a mask body and a pair of nasal plugs extending from the mask body, wherein the mask body only covers the mouth part of a human body and comprises a flexible sealing ring, a mask body and an air filter, the flexible sealing ring is connected with the mask body and is used for being in close contact with the facial skin around the mouth part of the human body, the air filter is detachably connected on the mask body, and an air chamber is formed between the mask body and the facial part of the human body in a wearing state; the nasal plug extends outwards from the flexible sealing ring and is used for being inserted into the nasal cavity of a human body, a nasal plug channel is formed in the middle of the nasal plug, and the nasal plug channel is communicated with the air cavity. This oronasal mask can avoid the alar both sides of nose to have the risk that the gap leads to outside air to get into the human body, prevents air side leakage effectively.

Description

Side leakage prevention mouth and nose mask

Technical Field

The utility model relates to the technical field of medical supplies, especially, relate to a prevent edge leakage oral nasal mask.

Background

People have stronger and stronger consciousness on preventing infectious viruses, and a mask (also called as an oral-nasal mask) becomes a necessary product for life of people.

Most of the existing masks adopt melt-blown polypropylene non-woven fabrics as fabrics, and a pair of ear hanging belts is added, so that a complete mask is formed. When worn, the mask covers the mouth and nose of the human body to prevent viruses from entering the mouth and nasal cavities. However, the edge of the existing mask is difficult to be tightly attached to the outline of the face of the human body, particularly, the two sides of the nose wing, especially, the nose of people in European and American countries, have high nose bridge and large nose head, and even if the nose bridge clamping strip is arranged on the upper side of the mask, gaps still exist between the mask and the two sides of the nose wing, so that external air enters the mask from the gaps, and then enters the oral cavity and the nasal cavity to cause virus infection.

In order to reduce the risk that viruses enter a human body from a gap between the mask and the face, people often tighten an ear hanging belt or a head band to enable the edge of the mask to tightly press the face, the gap is reduced in a pressing mode, but the skin of the face can be damaged by long-time pressure, particularly, the skin of the face can be damaged by the long-time pressure of medical personnel who resist the epidemic situation, the face is deeply indented, and the nose bridge part is even damaged by pressure skin when the mask is worn for a long time.

In addition, the existing mask has a large amount of non-woven fabrics, the non-woven fabrics cover the mouth, the nose and the cheeks at two sides, the area which is actually opposite to the mouth and the nose is mainly used for filtering air, the non-woven fabrics at other areas mainly play a role of wrapping the cheeks, and 75% of the non-woven fabrics of one mask are not effectively utilized, so that the existing mask wastes a large amount of non-woven fabrics, resources are wasted, and the manufacturing cost is difficult to reduce; furthermore, the non-woven fabric covers the face and rubs the skin over a large area, and the temperature and humidity in the mask are high, which easily causes damage and discomfort to the facial skin, and further induces facial skin disorders.

Disclosure of Invention

For solving the problem that prior art exists, the utility model provides a prevent edge leakage oral nasal mask, it can solve the problem that there is the seam to lead to the outside air edge leakage in the alar both sides of current gauze mask ubiquitous.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a side leakage prevention mouth-nose mask comprises a mask body and a pair of nose plugs extending out of the mask body, wherein the mask body only covers the mouth of a human body and comprises a flexible sealing ring, a mask body and an air filter, the flexible sealing ring is connected with the mask body and is used for being in close contact with facial skin around the mouth of the human body, the air filter is detachably connected to the mask body, and an air chamber is formed between the mask body and the face of the human body in a wearing state; the nasal plug extends outwards from the flexible sealing ring and is used for being inserted into the nasal cavity of a human body, a nasal plug channel is formed in the middle of the nasal plug, and the nasal plug channel is communicated with the air cavity.

Further, the nose plug and the flexible sealing ring are an integral component.

Further, the nose plug is tapered, and the diameter of one end of the nose plug inserted into the nostril is smaller than that of the other end of the nose plug.

Furthermore, the nasal plug is mushroom-shaped and comprises a column-shaped part and a flexible cap-shaped part, wherein the flexible cap-shaped part surrounds the periphery of the upper part of the column-shaped part, and the column-shaped part forms the nasal plug channel.

Further, the cover body is provided with a mounting seat for mounting an air filter, and the air filter is detachably connected with the mounting seat.

Furthermore, two sides of the mask body are connected with ear hanging belts or head belts used for fixing the oronasal mask.

Further, the mask body is provided with a mouthpiece for the wearer to bite into, the mouthpiece extending outwardly from the back of the mask body.

Further, the front end of the mouthpiece is connected with the mounting seat.

The utility model discloses an oronasal mask has following beneficial effect:

(1) the mask body only covers the mouth part, the nasal cavity is isolated from the external air through the nasal plug, the mask body and the nasal plug respectively play roles in protecting the oral cavity and the nasal cavity, the problem that gaps exist on two sides of a nose wing in the existing mask is effectively solved, and the protection capability of the oral-nasal mask is improved;

(2) because the mask body only covers the mouth, the non-woven fabric material required by the mask body is less, and the mouth-nose mask of the utility model is made of the material of the existing mask 1/2, thereby greatly saving raw materials, reducing the manufacturing cost of the mask, and simultaneously reducing the area and the volume of the mask body;

(3) the air filter and the cover body adopt a detachable connection mode, so that the mouth-nose cover of the utility model can be repeatedly used by replacing the air filter;

(4) the cover body is fixed through the mouth piece, has avoided the hangers area of current gauze mask to leave the indentation in the face and cause skin damage, has also avoided the hand to contact the virus infection risk that the mouth nose cup exists when taking off the mouth nose cup simultaneously to but the mouth piece is reuse after the disinfection.

Drawings

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

Fig. 1 is an exploded view of a side-leakage prevention oronasal mask according to a preferred embodiment of the present invention.

FIG. 2 is a schematic view of the oronasal mask of FIG. 1 in an as-worn condition.

FIG. 3 is a schematic view of another embodiment of a side leakage prevention oronasal mask.

FIG. 4 is a schematic view of the oronasal mask of FIG. 2 in an as-worn condition.

Figure 5 is a schematic view of another embodiment of nasal prongs of an oronasal mask.

Detailed Description

The technical solution of the present invention will be more clearly and completely explained by the description of the preferred embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1 and 2, the side leakage preventing nose and mouth mask according to the preferred embodiment of the present invention includes a mask body 1 and a pair of nasal plugs 2 extending from the mask body, wherein the mask body 1 is used for covering the mouth of a human body, and the nasal plugs 2 are used for being inserted into the nasal cavities of the human body.

The cover body 1 includes a flexible seal ring 11, a cover body 12, and an air filter 13. The flexible sealing ring 11 is connected with the rear end edge of the cover body 12 and is used for being tightly contacted with the facial skin around the mouth of a human body. The flexible sealing ring 11 is made of latex or silica gel materials, has good skin affinity, is flexible, and can deform according to the change of a facial contour curve, so that the flexible sealing ring can be well attached to the skin, and a gap between the flexible sealing ring and the face is avoided.

The cover body 12 is made of melt-blown polypropylene non-woven fabric, and the cover body 1 only covers the mouth part of a human body and does not cover the nose part, so the cover body 12 is designed to be approximately conical, the front opening and the rear opening of the cone are provided, an air filter 13 is arranged at the front opening, and a flexible sealing ring 11 is arranged at the rear opening.

An installation seat 14 is arranged at the front opening of the cover body 12 and used for installing the air filter 13. The mounting seat 14 includes a circular ring 141 and a plurality of connecting ribs 142, two ends of the connecting ribs 142 are fixed on an inner wall of the circular ring 141, and a gap formed between adjacent connecting ribs 142 is used for air circulation.

The air filter 13 includes a housing 131 and a filter cartridge 132. The filter element 132 is installed on the casing 131, and it can adopt active carbon or nanofiber granule to filter haze granule and virus in the air, also can select for use the filter element of different materials and hole according to the needs of protection level and protection environment to realize different usage, environment, sanitary level's protection. The housing 131 is connected to the mounting seat 14 in a matching manner, and the connection manner may be threaded connection, bayonet connection, or the like, so that the air filter 13 and the mounting seat 14 form a detachable connection, which is convenient for replacing the air filter 13. The present gauze mask is disposable gauze mask mostly, accompanies the filter layer in the middle of the non-woven fabrics of the cover body, and this filter layer can be destroyed in the washing, reduces the filter capacity of oronasal mask, and the utility model discloses an oronasal mask mainly filters by air cleaner, and the main its cover effect of non-woven fabrics of cover body, consequently after using the certain time, can demolish air cleaner, washs the cover body, new air cleaner, used repeatedly in the repayment.

A pair of prongs 2 extend outwardly from the flexible sealing ring 11. The nasal plug 2 is approximately conical, the diameter of one end inserted into the nasal cavity is smaller, and the diameter of the end connected with the flexible sealing ring 11 is larger. The middle of the nasal prong 2 forms a nasal prong channel 20 that provides a path for inhalation and exhalation of the nose. Preferably, the nasal plug 2 and the flexible sealing ring 11 are integrally formed and made of latex or silica gel, so that the nasal plug 2 is also flexible and has deformable characteristics, can better adapt to the nasal cavity of a human body, and is comfortable to wear.

Two sides of the mask body 1 are connected with ear hanging belts 15 for hanging on ears so as to fix the mouth-nose mask. In other embodiments straps may also be attached to either side of the mask body 1 for securing the oronasal mask to the head.

The utility model discloses an oronasal mask is under the wearing state, and the human oral area is only covered to cover body 1, and nasal obstruction 2 inserts in the nasal cavity. The flexible sealing ring 11 of the cover body is tightly attached to the face around the mouth part, and the contour of the face around the mouth part is not large, so that the part is not obviously protruded, the flexible sealing ring 11 can be well attached to the skin, no gap can be generated, a relatively closed air chamber is formed between the cover body 1 and the face part, and the nasal plug channel 20 is communicated with the air chamber. When a human body inhales, external air enters the air cavity after being filtered by the air filter 13 and then enters the nasal cavity through the nasal obstruction channel 20; when the person exhales, the gas enters the air chamber through the nasal prong passageways 20 and exits the mask body 1.

As shown in fig. 3 and 4, another embodiment of the present invention is shown, in which the oronasal mask does not need to have an ear strap, the mask body 1 'is provided with a mouthpiece 3' for the wearer to bite, which is provided at the back of the mask body 1 ', specifically, the mouthpiece 3' is fixedly connected to the mounting seat 14 ', preferably, the mouthpiece 3' is connected to the mounting seat 14 'through a plurality of connecting arms 16', so that the mouthpiece 3 'is spaced from the mounting seat 14' by a certain distance without blocking the circulation of air. The mouthpiece 3' is made of food-grade flexible material.

When the oral-nasal mask is worn, the nasal plug 2 'is inserted into the nasal cavity, and the mouth-biting part 3' bites the nasal mask in the oral cavity, so that the oral-nasal mask is fixed. Because the utility model discloses an oral nasal mask cover body only covers the oral area, the nasal cavity passes through the nasal obstruction and keeps apart with the outside air, consequently need not worry the problem that the oral nasal mask has the gap in the alar both sides of nose, and the cover body is because only covers the oral area, its volume is less, light in weight, and easy and the facial laminating around the oral area, consequently just can fix the oral nasal mask through the mouthpiece, the fixed mode of mouthpiece has avoided current gauze mask to have contacted the viral infection risk that the oral nasal mask exists with the hand when taking off, the problem of unreliable easy separation of current gauze mask hangers area and non-woven fabrics connection has also been solved, in addition, the mouthpiece can be through disinfection and used repeatedly.

As shown in fig. 5, which shows another embodiment of the nasal prong, in this embodiment the prong 2 "comprises a post 21" and a flexible cap 22 ", the flexible cap 22" being connected to the top edge of the post 21 "and surrounding the upper part of the post, thereby forming a substantially mushroom-shaped outer shape. The column 21 "is a hollow structure having a nasal plug channel 20", the lower end of the column 21 "is connected to the flexible sealing ring, and the nasal plug channel 20" is communicated with the air chamber of the mask body. When the nasal plug 2 ″ is inserted into the nasal cavity, the flexible cap 22 ″ can deform according to the size of the nasal cavity, so that the nasal plug is suitable for people with different sizes of nasal cavities and has better tightness, and meanwhile, the nasal plug is suitable for people with different distances between the mouth and the nasal cavity by adjusting the depth of the nasal plug inserted into the nasal cavity, so that the nasal plug has better tightness and applicability.

The above detailed description merely describes the preferred embodiments of the present invention and does not limit the scope of the present invention. Without departing from the design concept and spirit scope of the present invention, the ordinary skilled in the art should belong to the protection scope of the present invention according to the present invention provides the text description and drawings to the various modifications, replacements and improvements made by the technical solution of the present invention. The scope of protection of the present invention is determined by the claims.

Claims

1. A side leakage prevention oronasal mask is characterized by comprising a mask body and a pair of nasal plugs extending from the mask body,

the mask body only covers the mouth of a human body and comprises a flexible sealing ring, a mask body and an air filter, wherein the flexible sealing ring is connected with the mask body and is used for being in close contact with facial skin around the mouth of the human body;

the nasal plug extends outwards from the flexible sealing ring and is used for being inserted into a nasal cavity of a human body, a nasal plug channel is formed in the middle of the nasal plug, and the nasal plug channel is communicated with the air cavity.

2. The side leakage prevention oronasal mask of claim 1 wherein the nasal prongs are an integral component of the flexible sealing ring.

3. The anti-side-leakage oronasal mask of claim 1, wherein the nasal prongs are tapered with a smaller diameter at one end inserted into the nostrils than at the other end.

4. The side leakage prevention oronasal mask of claim 1, wherein the nasal prongs are mushroom-shaped comprising a post portion and a flexible cap portion surrounding an upper portion of the post portion, the post portion forming the nasal prong channel.

5. The anti-side-leakage oronasal mask of claim 1, wherein a mounting seat is provided on the mask body for mounting the air filter, the air filter being detachably connected to the mounting seat.

6. The side leakage prevention oronasal mask of claim 1, wherein both sides of the mask body are attached with an ear hanging strap or a head strap for fixing the oronasal mask.

7. The side leakage prevention oronasal mask of claim 5 wherein the mask body further provides a mouthpiece for the wearer, the mouthpiece extending outwardly from the back of the mask body.

8. The side leakage prevention oronasal mask of claim 7 wherein a forward end of said mouthpiece is connected to said mounting base.