CN216395075U

CN216395075U - Mask with good protection performance

Info

Publication number: CN216395075U
Application number: CN202121958323.3U
Authority: CN
Inventors: 郭丽红
Original assignee: Zhejiang Weikang Commodity Co ltd
Current assignee: Zhejiang Weikang Commodity Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-04-29
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a mask with good protection performance, which comprises a mask body, wherein sewing blocks are fixedly arranged on two sides of the mask body, two elastic bridles are fixedly arranged on the outer sides of the sewing blocks, a sealing skirt edge is fixedly arranged on the back surface of the mask body, an alloy attaching strip is fixedly arranged inside the top of the sealing skirt edge, and two soft sealing plates are fixedly arranged on the inner side of the sealing skirt edge. Through filter and the sealing ring that sets up, the design is closely convenient for produce between each structure, the unified production and the equipment of being convenient for of specification and dimension of each structure, increase life simultaneously, the replacement and the increase result of use of the part of being convenient for, this gauze mask can change the gauze mask body into hard material according to actual conditions when user uses and be used for increasing the number of times of using, perhaps with the gauze mask body for with the filter the same material further strengthen protective effect, and use ordinary gauze mask material with the gauze mask body, use according to actual conditions's difference in production.

Description

Mask with good protection performance

Technical Field

The utility model belongs to the technical field of protective masks, and particularly relates to a mask with good protective performance.

Background

The protective mask consists of a mask body and a tightening belt, wherein the mask body is divided into an inner layer, a middle layer and an outer layer, the inner layer is made of a skin-friendly material, the middle layer is an isolation filter layer, the outer layer is an antibacterial layer made of a special material, the high-efficiency medical mask has strong hydrophobic and air permeability, the mask has obvious filtering effect on tiny aerosol with virus or harmful fine dust but can not effectively filter PM10 and PM2.5, the overall filtering effect is good, the mask is a sanitary product, is generally worn at the mouth and nose part for filtering air entering the mouth and nose, so as to achieve the function of blocking harmful gas, smell, spray, virus and other substances, is made of gauze or paper and other materials, has certain filtering function on air entering the lung, when respiratory infectious diseases are prevalent, the mask worn in the work in an environment contaminated by dust and the like has a very good effect, and the mask can be classified into an air filtration type mask and an air supply type mask.

In the use of gauze mask, the gauze mask is as the external instrument of protection human respiratory, undertakes filtered air and the effect that prevents the virus invasion, the use of gauze mask is very extensive, and current gauze mask protective effect is uneven, have a lot of protection gauze mask to have the breather valve as giving vent to anger the end although can alleviate the pressure of inside gauze mask, but the expired gas of self is not filtered and is emitted, therefore probably influence other people's safety ring border, consequently need one kind not produce the gauze mask of gas leakage condition because of expired air increase gauze mask internal pressure.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a mask with good protection performance, and solves the problems that the protection effects of the existing masks are uneven, and the safety environment of other people can be affected because the pressure of the internal mask can be relieved by using a breather valve as an air outlet end of a plurality of protection masks, but the self exhaled air is not discharged after being filtered.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a gauze mask that barrier propterty is good, includes the gauze mask body, the equal fixed mounting in both sides of the gauze mask body has the seam piece, the outside fixed mounting of seam piece has two elasticity bridles, the back fixed mounting of the gauze mask body has sealed shirt rim, the inside fixed mounting at sealed shirt rim top has the subsides alloy metal strip, the inboard fixed mounting of sealed shirt rim has two soft airtight plates, the front intercommunication of the gauze mask body has an air inlet section of thick bamboo, the inside fixed mounting of air inlet section of thick bamboo has the support, the inside fixed mounting of air inlet section of thick bamboo has the sealing ring, the inside movable mounting of air inlet section of thick bamboo has the filter, the thread groove has been seted up to the inside in the air inlet section of thick bamboo outside, the inboard of thread groove articulates there is articulated closing the lid, the inside of articulated closing the lid has seted up the bleeder vent.

Preferably, two the equal fixed mounting of one end of elasticity bridle far away from the seam piece has the magic subsides.

Through adopting above-mentioned technical scheme, the advantage lies in when the gauze mask uses, wears the gauze mask body before the oronasal, winds the elasticity bridle around after the neck, sews up two elasticity bridles on piece upper portion and winds after the head, sews up two elasticity bridles on piece lower part and winds after the neck, and after tying, pastes through the magic and fixes to prevent to become flexible and closely wear with the gauze mask with before the oronasal.

Preferably, the clamping ribs are fixedly arranged inside the sealing skirt.

Through adopting above-mentioned technical scheme, the advantage lies in wearing good back when the gauze mask, and soft sealed shirt rim laminating person's cheek, the shape of clamping rib laminating cheek is with soft sealed shirt rim laminating face, makes the gauze mask body sealed with the pulling force cooperation of elasticity band, increases the gas tightness.

Preferably, two soft airtight plates are positioned at two sides of the attached metal strip.

Through adopting above-mentioned technical scheme, the advantage lies in wearing behind the oronasal at the gauze mask body, pinches tight laminating metal strip and the laminating of bridge of the nose, and the laminating of soft obturator is in the nasal fissure of bridge of the nose both sides, and gas spills through the nasal fissure when preventing to exhale, can also prevent that the lens from hazing when increasing the gas tightness, has increased the practicality.

Preferably, the sealing ring is located on the opposite side of the support to the filter plate, and the filter plate is located on the opposite side of the sealing ring to the hinged lid.

Through adopting above-mentioned technical scheme, the advantage lies in putting into the air inlet cylinder with the filter when using, the filter sealing ring is and fixed position under the spacing of support, and then articulated close to cover and articulate into in the air inlet cylinder through the thread groove, articulated close to cover and apply the handing-over effort in the filter outside, the filter is inboard to extrude the sealing ring by the support spacing, then soft sealing ring is applyed the elasticity reaction force at the filter, the filter plate is pushing up articulated close to cover, carry out the structure airtightly, convenient production when preventing gas leakage changes the filter, reinforcing protecting effect.

Preferably, the filter plate comprises an outer non-woven fabric layer, an activated carbon filter layer, a PM two-point five-filter layer and a melt-blown fabric filter layer.

Through adopting above-mentioned technical scheme, the advantage lies in when filtering, and the air current closes the bleeder vent entering cavity inboard in covering through the hinge, filters large granule debris through the inside outer non-woven fabrics layer of filter, then filters toxic gas and floats the globule etc. through active carbon filter layer charcoal, filters tiny particulate matter through five filter layers of PM two points after that, and at last through melt-blown cloth filter layer inlet port cover body inner chamber, melt-blown cloth filter layer adheres to steam and oral cavity globule and prevents to discharge when expired gas.

Preferably, the specification and size of the filter plate and the sealing ring are matched with the specification and size of the air inlet cylinder, and the specification and size of the hinged closing cover are matched with the specification and size of the air inlet cylinder.

Through adopting above-mentioned technical scheme, the advantage lies in that structures such as filter and sealing ring are convenient for produce, and the specification and size of each structure is unified to be convenient for production and equipment, increases life simultaneously, the replacement of the part of being convenient for and increase the result of use.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the filter plate, before use, the filter plate is placed into the air inlet cylinder, the filter plate sealing ring is fixed at the position below the limit of the support, the hinged closing cover is hinged into the air inlet cylinder through a thread groove, the hinged closing cover applies a handover acting force to the outer side of the filter plate, the filter plate extrudes the sealing ring inwards to be limited by the support, then the soft sealing ring applies an elastic reaction force to the filter plate, the filter plate pushes against the hinged closing cover to make the structure airtight, the filter plate is convenient to produce and replace while preventing air leakage, the protection effect is enhanced, then the mask body is worn in front of the mouth and nose, the elastic belts are wound around the head, the two elastic belts at the upper part of the sewing block are wound around the head, the two elastic belts at the lower part of the sewing block are wound around the neck, after the fastening is performed, the fastening is performed through magic paste for fixing to prevent looseness, the mask is tightly worn in front of the mouth and nose, the mask body is worn behind the mouth and nose, the soft airtight plate is attached to the nasal grooves on two sides of the nose bridge by pinching and clinging to the metal strip to be attached to the nose bridge, gas is prevented from leaking out through the nasal grooves during expiration, the air tightness is improved, meanwhile, the fogging of a spectacle lens is prevented, after the mask is worn well, the soft sealing skirt edge is attached to the cheek of a wearer, the shape of the clamping rib strip attached to the cheek enables the soft sealing skirt edge to be attached to the face, the mask body is sealed by matching with the tension of an elastic band, the air tightness is improved, during respiration, air flow enters the inner side of the cavity through air holes in the hinged cover, large-particle impurities are filtered through the non-woven fabric layer inside the filter plate, then toxic gas, floating liquid beads and the like are filtered through the activated carbon filter layer, then tiny particles are filtered through the PM two-point five filter layer, finally, the PM filter layer enters the inner cavity of the mask body, and the melt-spray fabric filter layer is attached to water vapor and prevents the liquid beads in the oral cavity from being discharged during exhalation, the convenience of use is increased, the air tightness is improved, the protection effect is improved, and the protection effect is good.

2. Through filter and the sealing ring that sets up, the design is closely convenient for produce between each structure, the unified production and the equipment of being convenient for of specification and dimension of each structure, increase life simultaneously, the replacement and the increase result of use of the part of being convenient for, this gauze mask can change the gauze mask body into hard material according to actual conditions when user uses and be used for increasing the number of times of using, perhaps with the gauze mask body for with the filter the same material further strengthen protective effect, and use ordinary gauze mask material with the gauze mask body, use according to actual conditions's difference in production.

Drawings

FIG. 1 is a front perspective structural view of the present invention;

FIG. 2 is a schematic diagram of a rear perspective structure according to the present invention;

FIG. 3 is a schematic right sectional view of the present invention;

FIG. 4 is a rear cross-sectional structural view of the present invention;

fig. 5 is a schematic view of the internal structure of the filter plate of the present invention.

In the figure: 1. a mask body; 2. sealing the skirt edge; 3. magic tape; 4. tightening and loosening a binding belt; 5. a stitching block; 6. the hinged cover is hinged; 7. air holes are formed; 8. an air inlet cylinder; 9. a seal ring; 10. a support; 11. pasting a metal strip; 12. a soft airtight plate; 13. a thread groove; 14. a filter plate; 1401. an outer non-woven fabric layer; 1402. an active carbon filter layer; 1403. a PM two-point five-filter layer; 1404. melt-blown cloth filter layers; 15. and clamping the ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a gauze mask that barrier propterty is good, including the gauze mask body 1, the equal fixed mounting in both sides of the gauze mask body 1 has sewing piece 5, the outside fixed mounting who sews up piece 5 has two elasticity bridles 4, the back fixed mounting of the gauze mask body 1 has sealed shirt rim 2, the inside fixed mounting at sealed shirt rim 2 top has subsides alloy metal strip 11, the inboard fixed mounting of sealed shirt rim 2 has two soft airtight plates 12, the front intercommunication of the gauze mask body 1 has an air inlet section of thick bamboo 8, the inside fixed mounting of air inlet section of thick bamboo 8 has support 10, the inside fixed mounting of air inlet section of thick bamboo 8 has sealing ring 9, the inside movable mounting of air inlet section of thick bamboo 8 has filter 14, thread groove 13 has been seted up to the inside in the air inlet section of thick bamboo 8 outside, the inboard of thread groove 13 articulates there is articulated lid 6 that closes, the inside of articulated lid 6 has seted up bleeder vent 7.

In the embodiment, through the arranged filter plate 14, the filter plate 14 is placed into the air inlet cylinder 8 before use, the sealing ring 9 of the filter plate 14 is fixed at the position below the limit of the support 10, the hinged cover 6 is hinged into the air inlet cylinder 8 through the thread groove 13, the hinged cover 6 applies the connection action force to the outer side of the filter plate 14, the filter plate 14 extrudes the sealing ring 9 inwards to limit the position of the support 10, then the soft sealing ring 9 applies the elastic reaction force to the filter plate 14, the filter plate 14 pushes against the hinged cover 6 to seal the structure, the filter plate 14 is convenient to produce and replace while preventing air leakage, the protection effect is enhanced, then the mask body 1 is worn in front of the mouth and nose, the elastic belts 4 are wound around the head and the neck, the two elastic belts 4 at the upper part of the elastic block 5 are wound around the head and the two elastic belts 4 at the lower part of the sewing block 5 are wound around the neck, the mask is fixed by the magic tape 3 after fastening to prevent looseness, the mask is tightly worn and in front of the mouth and the nose, the mask body 1 is worn behind the mouth and nose, the binding metal strip 11 is tightly pinched and attached to the nose bridge, the soft airtight plate 12 is attached to the nasal ditches at the two sides of the nose bridge, the gas is prevented from leaking through the nasal ditches during expiration, the fogging of the glasses can be prevented while the air tightness is increased, the soft sealing skirt edge 2 is attached to the cheek of a wearer after the mask is worn, the shape of the clamping rib strip 15 attached to the cheek enables the soft sealing skirt edge 2 to be attached to the face, the mask body 1 is sealed by the tension fit of the elastic belt 4, the air tightness is increased, during breathing, the airflow enters the inner side of the cavity through the air holes 7 in the hinged cover 6, large-particle sundries are filtered through the outer non-woven fabric layer 1401 in the filter plate 14, then toxic gas, floating liquid beads and the like are filtered through the activated carbon filter layer 1402 carbon 1403, then tiny particles are filtered through the PM two-point five-point filter layer, and finally the inner cavity of the melt-spray cloth filter layer inlet 1404, the meltblown fabric filter layer 1404 is attached with water vapor and liquid beads in the oral cavity to prevent discharge when breathing out, so that the use convenience is increased, the air tightness is improved, the protection effect is improved, and the protection effect is good.

Example two:

as shown in fig. 1 to 5, on the basis of the first embodiment, the present invention provides a technical solution: the sealing ring 9 is positioned at the opposite side of the bracket 10 and the filter plate 14, the filter plate 14 is positioned at the opposite side of the sealing ring 9 and the hinged closing cover 6, the clamping ribs 15 are fixedly arranged inside the sealing skirt 2, and the two soft sealing plates 12 are positioned at the two sides of the attached metal strips 11.

In this embodiment, put into air inlet cylinder 8 with filter 14 in, and then articulated close cover 6 and articulate into in air inlet cylinder 8 through thread groove 13, articulated close cover 6 will handing-over the effort and apply in the filter 14 outside, filter 14 is spacing by support 10 to inboard extrusion sealing ring 9, carry out gas tightness with the structure, secondly wear the gauze mask body 1 before the oronasal, around elasticity band 4 behind neck, it fixes through magic subsides 3 after good to tie and prevents to become flexible closely to wear the gauze mask with the oronasal before, the gauze mask is worn the back, pinch tight laminating metal strip 11 and the laminating of bridge of the nose, the laminating of soft sealed plate 12 is in the nasal sulcus of bridge both sides, gaseous spilling through the nasal sulcus when preventing to exhale, can also prevent when increasing the gas tightness that the lens from hazing.

Example three:

as shown in fig. 1 to 5, on the basis of the first embodiment and the second embodiment, the present invention provides a technical solution: the filter sheet 14 includes an outer nonwoven fabric layer 1401, an activated carbon filter layer 1402, a PM two-point five filter layer 1403, and a meltblown filter layer 1404.

In this embodiment, during breathing, the air current closes the bleeder vent 7 entering cavity inboard in the lid 6 through the hinge, filter 14 inside outer non-woven fabrics layer 1401 filters large granule debris, then filter toxic gas and float the liquid pearl etc. through active carbon filter layer 1402 carbon, filter tiny particulate matter through PM two point five filter layer 1403 after that, at last through melt-blown cloth filter layer 1404 inlet cover body 1 inner chamber, melt-blown cloth filter layer 1404 adheres to steam and oral cavity liquid pearl when exhaling gas and prevents to discharge, the protective effect has been increased.

Example four:

as shown in fig. 1 to 5, on the basis of the first embodiment, the second embodiment and the third embodiment, the present invention provides a technical solution: the specification and size of the filter plate 14 and the sealing ring 9 are matched with the specification and size of the air inlet cylinder 8, and the specification and size of the hinged closing cover 6 are matched with the specification and size of the air inlet cylinder 8.

In this embodiment, filter 14 and sealing ring 9 through the setting, the design is closely convenient for produce between each structure, the unified production and the equipment of being convenient for of specification and dimension of each structure, increase life simultaneously, the replacement of the part of being convenient for and increase result of use, this gauze mask can be according to actual conditions with the gauze mask body 1 change hard material into according to actual conditions when the user uses and be used for increasing the number of times of using, perhaps with the gauze mask body 1 for with the filter 14 the same material further strengthen protecting effect, and with the gauze mask body 1 use ordinary gauze mask material, use of producing according to actual conditions's difference.

The working principle and the using process of the utility model are as follows: before the mask is used, a filter plate 14 is placed into an air inlet cylinder 8, a sealing ring 9 of the filter plate 14 is fixed at a position below the limit of a support 10, a hinged cover 6 is hinged into the air inlet cylinder 8 through a thread groove 13, a joint action force is applied to the outer side of the filter plate 14 by the hinged cover 6, the filter plate 14 extrudes the sealing ring 9 inwards to be limited by the support 10, then the elastic reaction force is applied to the filter plate 14 by the soft sealing ring 9, the filter plate 14 pushes against the hinged cover 6, the structure is airtight, the filter plate 14 is convenient to produce and replace while air leakage is prevented, the protection effect is enhanced, then a mask body 1 is worn in front of the mouth and nose, an elastic belt 4 is wound around the head and the neck, two elastic belts 4 at the upper part of a sewing block 5 are wound around the head, two elastic belts 4 at the lower part of the sewing block 5 are wound around the neck, after fastening, the fastening is performed through a magic tape 3 to prevent looseness, the mask is tightly worn in front of the mouth and the nose, the mask body 1 is worn behind the mouth and nose, the binding metal strip 11 is tightly pinched and attached to the nose bridge, the soft airtight plate 12 is attached to the nasal ditches at the two sides of the nose bridge, the gas is prevented from leaking through the nasal ditches during expiration, the fogging of the glasses can be prevented while the air tightness is increased, the soft sealing skirt edge 2 is attached to the cheek of a wearer after the mask is worn, the shape of the clamping rib strip 15 attached to the cheek enables the soft sealing skirt edge 2 to be attached to the face, the mask body 1 is sealed by the tension fit of the elastic belt 4, the air tightness is increased, during breathing, the airflow enters the inner side of the cavity through the air holes 7 in the hinged cover 6, large-particle sundries are filtered through the outer non-woven fabric layer 1401 in the filter plate 14, then toxic gas, floating liquid beads and the like are filtered through the activated carbon filter layer 1402 carbon 1403, then tiny particles are filtered through the PM two-point five-point filter layer, and finally the inner cavity of the melt-spray cloth filter layer inlet 1404, the meltblown fabric filter layer 1404 is attached with water vapor and liquid beads in the oral cavity to prevent discharge when breathing out, so that the use convenience is increased, the air tightness is improved, the protection effect is improved, and the protection effect is good.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gauze mask that barrier propterty is good, includes gauze mask body (1), its characterized in that: the improved air inlet cover is characterized in that sewing blocks (5) are fixedly mounted on two sides of the mask body (1), two elastic belts (4) are fixedly mounted on the outer side of each sewing block (5), a sealing skirt edge (2) is fixedly mounted on the back surface of the mask body (1), an adhesive metal strip (11) is fixedly mounted inside the top of the sealing skirt edge (2), two soft sealing plates (12) are fixedly mounted on the inner side of the sealing skirt edge (2), an air inlet cylinder (8) is communicated with the front surface of the mask body (1), a support (10) is fixedly mounted inside the air inlet cylinder (8), a sealing ring (9) is fixedly mounted inside the air inlet cylinder (8), a filtering plate (14) is movably mounted inside the air inlet cylinder (8), a thread groove (13) is formed inside the outer side of the air inlet cylinder (8), and a hinged closing cover (6) is hinged to the inner side of the thread groove (13), the hinged cover (6) is internally provided with an air hole (7).

2. The mask with good protection performance according to claim 1, is characterized in that: and magic tapes (3) are fixedly mounted at one ends of the two elastic straps (4) far away from the sewing blocks (5).

3. The mask with good protection performance according to claim 1, is characterized in that: and clamping ribs (15) are fixedly arranged in the sealing skirt edge (2).

4. The mask with good protection performance according to claim 1, is characterized in that: the two soft airtight plates (12) are positioned at two sides of the metal strip (11).

5. The mask with good protection performance according to claim 1, is characterized in that: the sealing ring (9) is positioned on the opposite side of the support (10) and the filter plate (14), and the filter plate (14) is positioned on the opposite side of the sealing ring (9) and the hinged closing cover (6).

6. The mask with good protection performance according to claim 1, is characterized in that: the filter plate (14) comprises an outer non-woven fabric layer (1401), an activated carbon filter layer (1402), a PM two-point five-filter layer (1403) and a melt-blown fabric filter layer (1404).

7. The mask with good protection performance according to claim 1, is characterized in that: the specification and size of the filter plate (14) and the sealing ring (9) are matched with the specification and size of the air inlet cylinder (8), and the specification and size of the hinged closing cover (6) are matched with the specification and size of the air inlet cylinder (8).