CN211961005U - Nano-silica gel antibacterial protective mask - Google Patents

Nano-silica gel antibacterial protective mask Download PDF

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Publication number
CN211961005U
CN211961005U CN202020287952.7U CN202020287952U CN211961005U CN 211961005 U CN211961005 U CN 211961005U CN 202020287952 U CN202020287952 U CN 202020287952U CN 211961005 U CN211961005 U CN 211961005U
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CN
China
Prior art keywords
air inlet
mask
shell
cavity
air
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Expired - Fee Related
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CN202020287952.7U
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Chinese (zh)
Inventor
杨廷云
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Chongqing Eva Technology Co ltd
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Chongqing Eva Technology Co ltd
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Priority to CN202020287952.7U priority Critical patent/CN211961005U/en
Application granted granted Critical
Publication of CN211961005U publication Critical patent/CN211961005U/en
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Anticipated expiration legal-status Critical

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Abstract

The utility model provides a nano silica gel antibacterial protective mask, which comprises a mask body, an air inlet filter sheet and a shell, wherein the shell is arranged on the mask body, and the air inlet filter sheet is arranged between the mask body and the shell; the mask body comprises a fixing device and a mask, the fixing device is arranged on the mask, and the shell is arranged on the fixing device; the mask is a nano antibacterial silica gel flexible mask; the edge of the shell is pressed on the end surface of the mask close to the shell; more than one sunken air inlet groove is arranged on the end surface of the face mask close to the shell; the air inlet groove is communicated with the air inlet cavity; the air inlet groove is arranged around the air inlet cavity; in the utility model, the air inlet groove is arranged around the air inlet cavity, and when air is sucked, air enters the air inlet cavity from different positions at the edge of the shell; through changing and increasing the route of inhaled air, utilize the air inlet cavity to cushion simultaneously, then filter inhaled air through the cassette, like this, barrier propterty is better, and the outward appearance of gauze mask is pleasing to the eye moreover.

Description

Nano-silica gel antibacterial protective mask
Technical Field
The utility model relates to a gauze mask, concretely relates to antibiotic protective facial mask of nanometer silica gel.
Background
Most of the masks on the market at present improve the sealing performance for better cold protection, heat preservation, dust resistance and bacteria prevention, but not only reduce the ventilation performance of the masks, but also increase the breathing resistance. Moreover, these masks all have only a cavity to cause expired gas and inhale gaseous mixing, let the person of wearing when breathing greatly reduced the oxygen inspiration volume, not only reduced the comfort level, still influenced health. If the wearer himself suffers from some bacterial or viral respiratory diseases, the wearer needs to be treated, and even repeatedly infects the wearer if wearing the mask, so that the recovery is affected. Therefore, doctors believe that respiratory disease patients, respiratory sensitive people, heart disease patients, hypertension patients, pregnant women and other special people are not suitable for wearing the mask, and even ordinary healthy people are not suitable for wearing the mask during exercise. Some breathing masks with breathing valves are invented, and although the breathing resistance is reduced compared with the common masks, the breathing mask does not fundamentally improve the mixing of breathing gas and inspiratory gas, is inconvenient to clean and is not suitable for being used repeatedly.
The patent document with the Chinese application number of 201510586552.X and the publication number of 2015.12.9 discloses a convenient breathing mask, which comprises a mask body, wherein a left ear rope sleeve and a right ear rope sleeve are fixed on two sides of the mask body, an inner cup is arranged on the inner side of the mask body, filter cotton is arranged in the inner cup, an exhaust pipe is connected with the filter cotton, a fixing nut is arranged on the exhaust pipe and fixed at the center of the mask body, the exhaust pipe extends out of the mask body, and an exhaust pipe is arranged at the outer end of the exhaust pipe
The hole, the blast pipe embeds has discharge valve, installs the air discharge valve on the discharge valve, and one side of inner cup is fixed with the one end of intake pipe, installation admission valve in the intake pipe bottom, and the outer end of intake pipe stretches out the outside of the gauze mask body, and the outer port of intake pipe is built-in to have active carbon. The air inlet valve is a one-way valve which can only inlet but not outlet, and the exhaust valve is a one-way valve which can only outlet but not inlet.
When the breathing mask is used for exhausting, the air can reach the exhaust valve to be exhausted through the filter cotton and the exhaust pipe, and the distance between the exhaust valve and the inner cover cup is long; the stay time of the discharged gas in the exhaust pipe is long, so that the discharged gas is easy to store in the exhaust pipe; meanwhile, the air inlet pipe of the mask is communicated with the exhaust pipe, so that gas which stays in the exhaust pipe and is not discharged in time can be sucked into a human body during air suction; carbon dioxide is inhaled during inspiration, so that less oxygen is inhaled during inspiration, and further discomfort is caused to a human body; meanwhile, the mask is only provided with one air inlet pipe, so that the inhaled oxygen is effective during air suction; therefore, the use scene of the mask is limited, and unsmooth breathing can be caused when physical labor is carried out when the mask is worn; meanwhile, the inner cup of the mask is made of soft plastic material; the soft plastic material can only intercept bacteria; the bacteria can not be inhibited and killed; the intercepted bacteria still adhere to the surface of the inner cup; therefore, when a user carelessly contacts the surface of the inner cup, bacteria can be attached to the skin of the human body; this is likely to cause infection. In addition, the air inlets arranged on the existing mask are basically distributed on the outer surface, and the inhaled air directly enters a cavity formed by the mask and a human body, namely the air inlets are of a direct-suction type, so that the requirement on the filtering performance of air is high, and the protective performance is low.
Disclosure of Invention
The utility model provides a nano silica gel antibacterial protective mask. By utilizing the structure of the utility model, the air inlet groove is arranged around the air inlet cavity, and when air is sucked, air enters the air inlet cavity from different positions at the edge of the shell; through changing and increasing the route of inhaled air, utilize the air inlet cavity to cushion simultaneously, then filter inhaled air through the cassette, like this, barrier propterty is better, and the outward appearance of gauze mask is pleasing to the eye moreover.
In order to achieve the above purpose, the technical scheme of the utility model is that: a nanometer silica gel antibacterial protective mask comprises a mask body, an air inlet filter sheet and a shell, wherein the shell is arranged on the mask body, and the air inlet filter sheet is arranged between the mask body and the shell; the mask body is provided with a cavity, one side of the mask body, which is far away from the shell, is provided with a veneering part, the mask body is provided with an air inlet channel and an air outlet channel which are communicated with the cavity, and the air outlet channel is provided with a one-way valve; the method is characterized in that: an air inlet cavity and an air outlet cavity are arranged in the shell, and the air inlet cavity is separated from the air outlet cavity; the air inlet cavity is communicated with the air inlet channel, and an air inlet is arranged between the shell and the air inlet filter sheet; the air outlet cavity is communicated with the air outlet channel and is provided with an air outlet;
the mask body comprises a fixing device and a mask, the fixing device is arranged on the mask, and the shell is arranged on the fixing device; the mask is a nano antibacterial silica gel flexible mask; the edge of the shell is pressed on the end surface of the face mask close to the shell, and more than one sunken air inlet groove is formed in the end surface of the face mask close to the shell; the air inlet groove is communicated with the air inlet cavity; the air inlet groove is arranged around the air inlet cavity.
When the mask is used, the face portion is attached to the face of a human body, outside air enters from the air inlet groove and then enters the air inlet cavity through the air inlet, and air in the air inlet cavity is filtered by the air inlet filter plate and then enters the mask body through the air inlet channel. The gas exhaled by the human body enters the gas outlet cavity through the gas outlet channel and the one-way valve and then enters the air through the gas outlet. This structure, the cavity is no longer got back to behind the check valve to the gas of exhalation, then after giving vent to anger the cavity buffering, discharges through the gas outlet at last, like this, under the effect of check valve, does not let the gaseous backward flow of exhalation to the protection wears the gauze mask people. According to the structure, the air inlet groove is formed between the shell and the face mask, air enters the air inlet cavity for buffering after passing through the air inlet groove and the air inlet, and is filtered by the air inlet filter plate, so that the air inlet path is prolonged, meanwhile, the air enters from the side surface of the mask and is buffered by the air inlet cavity, and therefore, the air is equivalently pretreated once, the filtering requirement is reduced, and the protective performance is improved; meanwhile, an air inlet does not need to be additionally arranged on the shell, so that the appearance of the mask is more attractive. A silica gel flexible mask made of nano antibacterial materials is arranged; the nano antibacterial material has the functions of inhibiting and killing pathogenic microorganisms; the mask can kill bacteria attached to the surface of the mask; when the mask is worn and removed, the skin of a human body can contact the surface of the mask; bacteria attached to the surface of the mask can be transferred to the human body to cause infection; the mask capable of killing bacteria is adopted; the bacteria attached to the surface of the mask after killing is reduced, so that the risk of infection caused by the contact of the skin of a human body with the surface of the mask can be reduced.
Furthermore, one side of the shell close to the mask body is provided with a separation plate extending towards the direction of the mask body, an air outlet cavity is formed in the separation plate, and the air outlet channel extends into the separation plate. Owing to set up the division board, like this, can effectually separate air inlet cavity with giving vent to anger the cavity effectual, and in air outlet channel stretched into the division board, consequently, can further avoid the gas of exhalation and the gas of inhaling to mix in air inlet cavity and air outlet cavity, further improve safety, barrier propterty.
Further, an air outlet filter disc is arranged in the air outlet cavity; the gas of will exhaling filters, can avoid in harmful substance such as droplet enters into the air, plays better protection to other people.
Further, a flange for pressing the air inlet filter sheet is arranged on the shell, and an air inlet cavity is formed in the flange; an air inlet is arranged on the flange. Therefore, the air inlet filter plate can be pressed through the flange, and the air inlet can ensure that outside air enters the air inlet cavity.
Furthermore, a buffer mixing cavity is formed between the flange and the edge of the shell in the shell, and the buffer mixing cavity is communicated with the air inlet groove and the air inlet. Like this, the air is earlier mixed buffering at the mixed intracavity of buffering from the intake stack entering back, lets the gas that enters into in the intake chamber more even in its space, lets the user take this gauze mask more comfortable.
Further, the air inlet groove and the air inlet are arranged in a staggered mode, so that the air entering the air inlet groove is prevented from directly entering the air inlet cavity through the air inlet, and the air is mixed more uniformly in the buffering mixing cavity.
Furthermore, the fixing device comprises a supporting piece, a convex ring and a resisting flange, an air outlet channel is arranged in the middle of the supporting piece, and an air inlet channel is arranged on the supporting piece and positioned at the periphery of the air outlet channel; the convex ring extends from the edge of the air outlet channel of the support plate to the direction of the shell, and extends into the air outlet cavity; the resisting flange extends from the support piece to the mask direction and then extends to the outer side; the mask comprises a mask body, a resisting part and a veneering part, wherein the resisting part extends inwards from one end of the mask body close to the fixing device, and the veneering part extends inwards from one end far away from the fixing device and then extends towards the fixing device; the resisting part resists the resisting flange; the air inlet filter sheet is sleeved on the convex ring. Through setting up the bulge loop, and the bulge loop stretches into the buffer chamber of giving vent to anger, like this, in the gas of exhaling from the cavity entered into the air outlet cavity through the check valve, avoided the gas of exhaling to enter into the air inlet cavity, avoided the gas reuse of human body exhalation to cause unsafe, unhealthy phenomenon. The blocking part blocks the blocking flange, so that the mask is prevented from being easily separated from the fixing device.
Furthermore, a clamping piece is arranged on the mask body, and a clamping hole for the clamping piece to be clamped is formed in the shell; the shell is provided with a hanging lug connecting hole; the air outlet filtering device is an air outlet filtering sheet. Through the cooperation in joint spare and joint hole being connected, like this, easy to assemble with dismantle the shell, consequently, be convenient for wash shell, gauze mask body etc. the repetitious usage gauze mask of being convenient for through wasing the back safety performance again moreover good.
Furthermore, one end of the air inlet groove close to the support piece is attached to the outer edge of the support piece.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a perspective view of the present invention.
Fig. 3 is a perspective view of another viewing angle of the present invention.
Fig. 4 is an exploded view of the present invention.
Fig. 5 is a schematic perspective view of the middle housing of the present invention.
Fig. 6 is a perspective view of the middle fixing device of the present invention.
Fig. 7 is a side view of the fixing device of the present invention.
Fig. 8 is a schematic perspective view of the middle mask of the present invention.
Fig. 9 is a cross-sectional view a-a of fig. 1.
Fig. 10 is a schematic perspective view of the check valve of the present invention.
Fig. 11 is a cross-sectional view of B-B in fig. 1.
Fig. 12 is a schematic perspective view of the mask body of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-4; a nanometer silica gel antibacterial protective mask comprises a shell 1, an air inlet filter 4 and a mask body 20. The mask body 20 includes a fixing device 2 and a mask 3.
As shown in fig. 4 and 5, the edge of the shell 1 forms a shell edge 11 towards the mask 3, a flange 13 extending towards the mask 3 is arranged inside the shell 1 and on the inner side of the shell edge 11, the shell edge 11 protrudes from the flange 13, and a plurality of transversely extending air inlets 131 are arranged on the flange 13; a buffer mixing cavity 100 is formed between the shell edge 11 and the flange 13; a partition plate 14 is arranged inside the shell 1 and positioned at the edge 11 of the shell, the partition plate 14 comprises an upper partition plate 141 and a lower partition plate 142, the upper partition plate 141 is arc-shaped, and an opening 1411 is formed in the upper partition plate 141; the two sides of the upper isolation plate 141 at the opening 1411 are respectively extended to the side of the housing 1 to form lower isolation plates 142; the flange 13 extends to intersect the lower partition plate 142.
An air inlet cavity 17 is arranged between the flange 13 and the partition plate 14; an air outlet cavity 18 is formed in the partition plate, and the air inlet cavity 17 is separated from the air outlet cavity.
In this embodiment, the size of the air inlet cavity 17 is larger than the size of the air outlet cavity 18; the inlet chamber 17 can contain more air; with the arrangement, the air can be sucked by a user to be increased when the user inhales, and the use is comfortable.
The air outlet cavity 18 comprises an air outlet buffer cavity 181 and an air outlet guide channel 182, the air outlet guide channel 182 extends from the air outlet buffer cavity 181 to the side edge of the shell, the extending end of the air outlet guide channel 182 is an air outlet, in terms of structure, the air outlet cavity 18 is formed in the partition board, the air outlet buffer cavity 181 is formed in the upper partition board 141, and the air outlet guide channel 182 is formed between the two lower partition boards 142. The position that is located between two lower division boards on shell 1 and is close to the buffer chamber 181 of giving vent to anger is equipped with card portion 19, and card portion 19 goes up or forms air channel 191 between card portion and the lower division board, and air channel 191 communicates buffer chamber 181 and the guide channel 182 of giving vent to anger, is equipped with the card groove 192 that is used for the card to put the filter plate of giving vent to anger on card portion 19. The filter piece tail of giving vent to anger is the nanometer filter piece, air channel 191 be used for gaseous process filter piece of giving vent to anger, card put groove 192 be used for the card to put the filter piece of giving vent to anger, be convenient for quick installation and dismantlement filter piece of giving vent to anger, like this, be convenient for change the filter piece of giving vent to anger, consequently, can prolong the live time of this gauze mask.
The housing 1 is provided with a lug 12, in the embodiment, the two opposite sides of the housing are respectively provided with the lug 12, and the lug 12 is provided with a clamping hole 15 and a hanging lug connecting hole 16.
As shown in fig. 4, the intake filter 4 is provided with a through hole 41 in the middle.
As shown in fig. 4, 6 to 11, the fixing device 2 includes a supporting member 21, a convex ring 22 and a resisting flange 23, an air outlet channel 24 is formed in the middle of the supporting member 21, the air outlet channel 24 extends through the convex ring 22, a mounting plate 27 is arranged in the air outlet channel 24 on the supporting member 21, and an air hole 271, a mounting hole 272 and a one-way valve supporting plate 273 for supporting the one-way valve 5 are arranged on the mounting plate 27; air inlet channels 25 are arranged on the support piece 21 and positioned at the periphery of the air outlet channel, and reinforcing ribs 26 are formed between the adjacent air inlet channels 25; the convex ring 22 is positioned on the edge of the air outlet channel from the support plate and extends towards the shell direction, and the convex ring 22 extends into the air outlet buffer cavity 181; the stop flange 23 extends from the support member towards the mask and then towards the outside. A clamping member 28 is disposed on the supporting member 21 at a position corresponding to the clamping hole, and the clamping member 28 includes a connecting arm 281 connected to the supporting member and a hook 282 connected to the connecting arm 281.
The one-way valve 5 is arranged on the mounting plate 27 through the air outlet channel 24; the one-way valve 5 comprises
A check valve body and a check valve mounting part 51 connected to the check valve body; the one-way valve body is attached to the mounting plate 27; the check valve mounting part 51 comprises a mounting connecting piece 511 and a mounting clamping piece 512, wherein the mounting connecting piece 511 is connected with the mounting clamping piece 512; the mounting clip 512 is mounted on the mounting plate 27 through the mounting hole 272.
As shown in fig. 4, 8, 9 and 12, the mask is a flexible silica gel mask made of nano antibacterial material, which may be nano silver or other nano antibacterial material; in this embodiment, the nano-antibacterial material is nano-silver.
The flexible face guard of silica gel of making with nanometer antibacterial material, nanometer antibacterial material can purify the air, and the high temperature resistance of the flexible face guard of nanometer silica gel is good moreover, consequently, can carry out a lot of disinfection to the face guard through high temperature, like this, ability used repeatedly face guard to the cost is reduced, and flexible face guard is inseparabler with facial laminating moreover. Meanwhile, the nano antibacterial material can kill bacteria attached to the surface of the mask; bacteria attached to the surface of the mask after killing are reduced, so that the contact between the skin of a human body and the surface of the mask can be avoided when the mask is worn and removed; causing the bacteria attached to the surface of the mask to be transferred to the human body; this reduces the risk of infection from contact of the skin of the person with the face mask surface.
The face mask 3 comprises a mask body 31, a resisting part 32 and a face pasting part 33, wherein the resisting part 32 extends inwards from one end of the mask body 31 close to the fixing device, and the face pasting part 33 extends inwards from one end far away from the fixing device and then towards the fixing device; the mask has a cavity 300; the abutment portion 32 abuts against the abutment flange 23, the support passing through the mask; perforations 34 are provided in the mask. A concave air inlet groove 331 is arranged on the end surface of the face mask 3 close to the shell, and the air inlet groove 331 is arranged around the air inlet cavity 17; the air inlet groove 331 is communicated with the buffer mixing cavity 100, the buffer mixing cavity 100 is communicated with the air inlet cavity through the air inlet 131, and the air inlet groove 331 and the air inlet 131 are arranged in a staggered mode; this structure, the air is earlier mixed buffering in buffering mixing chamber 100 after the air gets into from air inlet 331, lets the gas that enters into in the air inlet cavity more even in its space, lets the user take this gauze mask more comfortable. One end of the air inlet slot 331 close to the support member 21 is attached to the outer edge of the support member 21. Therefore, the inhaled air can be prevented from entering the mask from the gap between the air inlet groove and the fixing device; thereby causing infection to the user.
When the mask is installed, the retaining flange 23 of the fixing device is firstly retained below the retaining part 32, the supporting piece penetrates through the mask, meanwhile, the clamping piece penetrates through the through hole 34, and after the mask is installed, the convex ring protrudes out of the mask; then the air inlet filter 4 is sleeved on the convex ring 22; and finally, clamping the shell on a clamping hook of the clamping piece through the clamping hole, pressing the air inlet filter sheet through the flange, and pressing the end face of the mask at the edge of the shell to realize the installation of the mask.
The nanometer silica gel antibacterial protective mask with the structure has the function of inhibiting and killing pathogenic microorganisms by arranging the nanometer antibacterial material; when using, let the facial portion of wainscot laminate the face to the human body, the outside air enters into the buffering hybrid chamber from the air inlet tank, and in entering into the air inlet cavity through the air inlet after buffering the mixture to the air, carry out further buffering through the air inlet cavity and mix, the air in the air inlet cavity enters into this internally through inlet channel after the air inlet filter piece filters. The gas that the human body exhaled enters into the cushion chamber of giving vent to anger through air outlet channel and check valve, cushions through the cushion chamber of giving vent to anger and detains exhaled gas, then enters into the air under the guiding action of the direction passageway of giving vent to anger after giving vent to anger filter equipment filtration. This structure, the cavity is no longer got back to in the gas of exhalation behind the check valve, then cushion through the cushion chamber of giving vent to anger, filter the gas of exhalation through the filter equipment of giving vent to anger at last, then turn to and prolong the outlet channel to the gas of exhalation through giving vent to anger guide channel, and thus, under the effect of check valve, not only let the gas backward flow of exhalation, wear the gauze mask people with the protection, in addition through buffering and filtering the gas of exhalation, and change the route and the length of the gas of exhalation, reduce the droplet in the gas of exhalation and enter into the air, can carry out effectual protection to other people, therefore, this gauze mask uses healthily, safety, barrier propterty is good.
Owing to set up the division board, like this, can effectually with the air inlet cavity with give vent to anger the effectual separation of buffering guide way, and give vent to anger the passageway and stretch into in the division board, consequently, can further avoid the gas of exhalation and the gas of inhaling to mix in air inlet cavity and the buffering guide way of giving vent to anger, further improve safety, barrier propterty. Because the lower isolation plate is arranged, exhaled gas can be redirected and the path can be prolonged through the lower isolation plate. Because the flange is arranged, the air inlet filter plate can be pressed and fixed, and meanwhile, the air inlet can ensure that external air enters the air inlet cavity. Through setting up the bulge loop, and the bulge loop stretches into the buffer chamber of giving vent to anger, like this, the gas of exhaling from the cavity enters into the buffer chamber of giving vent to anger through the check valve, avoids the gas of exhaling to enter into the air intake cavity in, avoids the gas reuse of human body exhalation to cause unsafe, unhealthy phenomenon. The blocking part blocks the blocking flange, so that the mask is prevented from being easily separated from the fixing device. Because the air inlet filter sheet is sleeved on the convex ring, and the convex ring extends into the air outlet buffer cavity, the air in the air inlet cavity can reliably enter the cavity through the air inlet filter sheet. Due to the arrangement of the air inlet groove, air can conveniently enter the air inlet cavity. Through the cooperation in joint spare and joint hole being connected, like this, easy to assemble with dismantle the shell, consequently, be convenient for wash shell, gauze mask body etc. the repetitious usage gauze mask of being convenient for through wasing the back safety performance again moreover good.
In the structure of the embodiment, the air inlet groove is formed between the shell and the face mask, air enters the air inlet cavity for buffering after passing through the air inlet groove and the air inlet and is filtered by the air inlet filter sheet, so that the air inlet path is prolonged, and meanwhile, the air enters from the side surface of the mask and is buffered by the air inlet cavity, so that the air is pretreated once equivalently, the filtering requirement is reduced, and the protective performance is improved; meanwhile, an air inlet does not need to be additionally arranged on the shell, so that the appearance of the mask is more attractive.

Claims (9)

1. A nanometer silica gel antibacterial protective mask comprises a mask body, an air inlet filter sheet and a shell, wherein the shell is arranged on the mask body, and the air inlet filter sheet is arranged between the mask body and the shell; the mask body is provided with a cavity, one side of the mask body, which is far away from the shell, is provided with a veneering part, the mask body is provided with an air inlet channel and an air outlet channel which are communicated with the cavity, and the air outlet channel is provided with a one-way valve; the method is characterized in that: an air inlet cavity and an air outlet cavity are arranged in the shell, and the air inlet cavity is separated from the air outlet cavity; the air inlet cavity is communicated with the air inlet channel, and an air inlet is arranged between the shell and the air inlet filter sheet; the air outlet cavity is communicated with the air outlet channel and is provided with an air outlet;
the mask body comprises a fixing device and a mask, the fixing device is arranged on the mask, and the shell is arranged on the fixing device; the mask is a nano antibacterial silica gel flexible mask; the edge of the shell is pressed on the end surface of the face mask close to the shell, and more than one sunken air inlet groove is formed in the end surface of the face mask close to the shell; the air inlet groove is communicated with the air inlet cavity; the air inlet groove is arranged around the air inlet cavity.
2. The antibacterial protective mask of nanometer silica gel according to claim 1, characterized in that: one side of the shell close to the mask body is provided with a separation plate extending towards the direction of the mask body, an air outlet cavity is formed in the separation plate, and an air outlet channel extends into the separation plate.
3. The antibacterial protective mask of nanometer silica gel according to claim 2, characterized in that: an air outlet filter disc is arranged in the air outlet cavity.
4. The antibacterial protective mask of nanometer silica gel according to claim 1, characterized in that: a flange for pressing the air inlet filter sheet is arranged on the shell, and an air inlet cavity is formed in the flange; an air inlet is arranged on the flange.
5. The antibacterial protective mask of nanometer silica gel according to claim 4, characterized in that: and a buffer mixing cavity is formed between the flange and the edge of the shell in the shell and is communicated with the air inlet groove and the air inlet.
6. The antibacterial protective mask of nanometer silica gel according to claim 5, characterized in that: the air inlet groove and the air inlet are arranged in a staggered mode.
7. The antibacterial protective mask of nanometer silica gel according to claim 1, characterized in that: the fixing device comprises a supporting piece, a convex ring and a resisting flange, an air outlet channel is arranged in the middle of the supporting piece, and an air inlet channel is arranged on the supporting piece and positioned at the periphery of the air outlet channel; the convex ring extends from the edge of the air outlet channel of the support plate to the direction of the shell, and extends into the air outlet cavity; the resisting flange extends from the support piece to the mask direction and then extends to the outer side; the mask comprises a mask body, a resisting part and a veneering part, wherein the resisting part extends inwards from one end of the mask body close to the fixing device, and the veneering part extends inwards from one end far away from the fixing device and then extends towards the fixing device; the resisting part resists the resisting flange; the air inlet filter sheet is sleeved on the convex ring.
8. The antibacterial protective mask of nanometer silica gel according to claim 1, characterized in that: the mask body is provided with a clamping piece, and the shell is provided with a clamping hole for the clamping piece to be clamped in; the shell is provided with a hanging lug connecting hole.
9. The antibacterial protective mask of nanometer silica gel according to claim 7, characterized in that: one end of the air inlet groove close to the support piece is attached to the outer edge of the support piece.
CN202020287952.7U 2020-03-10 2020-03-10 Nano-silica gel antibacterial protective mask Expired - Fee Related CN211961005U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020287952.7U CN211961005U (en) 2020-03-10 2020-03-10 Nano-silica gel antibacterial protective mask

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020287952.7U CN211961005U (en) 2020-03-10 2020-03-10 Nano-silica gel antibacterial protective mask

Publications (1)

Publication Number Publication Date
CN211961005U true CN211961005U (en) 2020-11-20

Family

ID=73394662

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020287952.7U Expired - Fee Related CN211961005U (en) 2020-03-10 2020-03-10 Nano-silica gel antibacterial protective mask

Country Status (1)

Country Link
CN (1) CN211961005U (en)

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Granted publication date: 20201120