CN210747396U - Dust and haze removal mask - Google Patents
Dust and haze removal mask Download PDFInfo
- Publication number
- CN210747396U CN210747396U CN201921331636.9U CN201921331636U CN210747396U CN 210747396 U CN210747396 U CN 210747396U CN 201921331636 U CN201921331636 U CN 201921331636U CN 210747396 U CN210747396 U CN 210747396U
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- air
- air passage
- dust
- sponge
- air inlet
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- 239000000428 dust Substances 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000003570 air Substances 0.000 claims description 212
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000002955 isolation Methods 0.000 claims description 20
- 230000000903 blocking effect Effects 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 230000004888 barrier function Effects 0.000 claims description 11
- 239000012528 membrane Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000013043 chemical agent Substances 0.000 claims description 7
- 239000012080 ambient air Substances 0.000 claims description 5
- -1 meltblown Substances 0.000 claims 1
- 238000010926 purge Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 19
- 239000003500 flue dust Substances 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 25
- 239000004744 fabric Substances 0.000 description 10
- 210000000214 mouth Anatomy 0.000 description 10
- 239000011148 porous material Substances 0.000 description 5
- 210000003128 head Anatomy 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000000241 respiratory effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000003434 inspiratory effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The utility model discloses a dust removal removes haze gauze mask, including gauze mask body and fixed band. The utility model discloses simple structure can used repeatedly, can look at the particular case in the use and change the air inlet and hinder dirt sponge, also can not use the air inlet to hinder dirt sponge, pours the clear water into to the inlet outlet many times and washs air flue dust removal sponge and ensure dust removal effect. The utility model discloses the biggest advantage of gauze mask is exactly to be provided with the air flue that has the quantitative pure water inside the gauze mask body, and the air that inhales the human body must remove dust and remove the haze through the air flue that has the quantitative pure water. When people inhale the air filtered by water, the particle dust in the air is completely adsorbed or dissolved by the water molecules when passing through the dedusting water. Therefore, the following steps are described: the purified air is completely free of fine dust when entering the human body.
Description
Technical Field
The utility model belongs to the technical field of breathe protective facial mask, concretely relates to dust removal removes haze gauze mask.
Background
With the enhancement of health consciousness of people, in areas with serious environmental pollution, especially workers in the front line with serious dust and poor working environment, a mask which is comfortable to wear and has good dust removal effect is more urgently needed. At present, haze-proof masks are widely used for protecting the respiratory system of human body, for example, the atmospheric pollution occasions which are prevented from being damaged by the fact that fine particulate matters such as pm2.5 suspended in the air are inhaled into the lungs. Prevent under the condition of two major factors of haze gauze mask comprehensive filtration efficiency and ventilation efficiency, divide into two kinds of types usually, one kind is that the haze gauze mask is prevented that has removable air cleaner, and another kind is that the gauze mask body is air cleaner's the haze gauze mask of preventing promptly. The actual service life of these two kinds of gauze masks is short, needs short time just to change air cleaner or change new gauze mask, prevents moreover that the haze gauze mask does not still probably to have under the condition of inefficacy if warp, damaged, or respiratory resistance increases too high scheduling problem, all influences used repeatedly. In addition, the steam of wearing in-process exhalation easily condenses into the drop of water on gauze mask inner wall or air cleaner, and the gauze mask body or air cleaner have been soaked to the drop of water for the filter capacity of gauze mask reduces by a wide margin again, picks the gauze mask in addition and can't store because of having the drop of water, and the gas of mouth also can make the gauze mask produce the peculiar smell in addition, all can influence reuse once more of gauze mask.
Prevent haze gauze mask at present often filters through the stack of non-woven fabrics, though can filter some great granules, but comprehensive filter effect is not good, can't effectively filter harmful gas. And present gauze mask is integrative mostly or use integrative air cleaner, contains many repeatedly usable parts wherein, in practice only if wherein some can not use again, must abandon together with other repeatedly usable parts, has increased user's use cost, also leads to first-line workman to use less this kind have certain haze effect, costly prevent haze gauze mask.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a do not need extra increase or replace air cleaner, prevent that haze is effectual, low in use cost prevents haze gauze mask.
A dust and haze removal mask, which comprises a mask body and at least one fixing belt and is characterized in that,
two ends of at least one fixing band are respectively fixed on two sides of the mask body, so that the mask body is fixed on the head of a human body;
the mask body comprises an outer shell 20 and an inner shell 21 which are matched with each other,
the outer shell 20 is provided with an air inlet 4, an air outlet 1 and a sound transmission hole 3, and the bottom of the outer shell connected with the inner shell is provided with a water inlet and a water outlet 2;
at least one fixing belt hook 14 is respectively arranged on the edges of two side walls of the shell 20;
the inner side of the outer shell 20 facing the inner shell 21 is provided with an air flue isolation belt 15; the air passage isolation belt 15 is an L-shaped baffle, and the air inlet 4, the air passage isolation belt 15, the outer shell 20 and the inner shell 21 enclose an independent air passage;
the air passage isolates the air inlet 4 from the air outlet 1 and the sound transmission hole 3, one end of the air passage close to the air inlet 4 is closed, and the other end of the air passage is an opening end;
a sound transmission film 31 is arranged on the inner side of the outer shell 20 facing the inner shell 21 and at the position of the sound transmission hole 3;
an opening 32 is formed in the inner shell 21 corresponding to the sound transmission hole 3, and an air blocking nose sleeve 6 is installed on the outer side of the inner shell, which is far away from the outer shell;
the section of the nose sleeve 6 of the air blocking port is triangular, covers the mouth and the nose, and blocks ambient air from entering the mouth and the nose.
In order to obtain better technical effect, the air inlet protection cover 7, the air inlet valve frame 8 and the air inlet one-way valve 9 are further included, the air inlet one-way valve 9 is a plastic soft valve, and the air inlet one-way valve 9 is fixed on the air inlet valve frame 8 and keeps one-way air inlet; and is fixed to the outside of the intake port 4 by the intake port protective cover 7.
In order to obtain better technical effect, the dust-proof air inlet sponge 13 is further included, and the dust-proof air inlet sponge 13 is fixed at the front end of the air inlet one-way valve 9 through the air inlet valve frame 8.
In order to obtain better technical effect, the exhaust valve further comprises an exhaust port protection cover 10, an exhaust valve frame 11 and an exhaust check valve 12, wherein the exhaust check valve 12 is a plastic soft valve, and the exhaust check valve 12 is fixed on the exhaust valve frame 11 and keeps one-way exhaust; and is fixed to the outside of the discharge port 1 by the discharge port protecting cover 10.
In order to obtain better technical effect, the device also comprises an air passage sponge support 17 and an air passage dedusting sponge 18, wherein at least two air passage sponge supports 17 are arranged on the air passage isolation belt 15, and the air passage dedusting sponge 18 is fixed by the air passage sponge supports 17.
In order to obtain better technical effect, the airway sponge support 17 is of a net structure.
In order to obtain better technical effect, at least two air passage sponge supports 17 ' and air passage dedusting sponge 18 ' are further arranged, at least two air passage sponge supports 17 ' which are arranged in a staggered mode are arranged on the side wall of the air passage enclosed by the air passage isolation belt 15 ' and the shell 20 ', and one air passage dedusting sponge 18 ' is arranged between every two air passage sponge supports 17 '.
In order to obtain better technical results, there are also airway water and gas permeable membranes 19, 19 ', said airway water and gas permeable membranes 19, 19' being fixed at the open end of the airway.
In order to obtain better technical effect, the gas channel waterproof breathable film and the purification gas area are arranged at the opening end of the gas channel, and the purification gas area is isolated from the gas channel through the gas channel waterproof breathable film 19.
In order to obtain better technical effect, the purification gas area is filled with one or more of activated carbon, melt-blown cloth and chemical agents.
In order to obtain better technical effect, the air blocking nose sleeve 6 is made of flexible materials and is in sealing fit with the skin.
For better technical effect, the airway isolation strip 15 is composed of a vertical barrier strip 151 and a crosspiece strip 152, and the vertical barrier strip 151 and the crosspiece strip 152 form an L shape; the crosspiece bar 152 is a movable structure, and the opposite side walls of the outer shell 20 and the inner shell 21 are provided with oppositely arranged clamping grooves 153; the crosspiece bar 152 is fixed between the outer shell 20 and the inner shell 21 by being inserted into the slot 153.
In order to obtain better technical effect, a sound blocking baffle 31 is arranged between the exhaust port 1 and the sound transmission hole 3 on the inner side of the outer shell 20 facing the inner shell 21.
The utility model discloses simple structure can used repeatedly, can look at the particular case in the use and change the air inlet and hinder dirt sponge, also can not use the air inlet to hinder dirt sponge, pours the clear water into to the inlet outlet many times and washs air flue dust removal sponge and ensure dust removal effect. When the gas purifier is used in fire fighting or toxic environment, the tail end of the air passage is also provided with a purified gas area which is filled with one or a combination of activated carbon, melt-blown cloth and chemical agents, so that water-insoluble toxic and harmful gases can be conveniently adsorbed. The utility model discloses a different module combination can adapt to different operational environment, not only can improve the dust removal and remove the haze effect, can also adapt to the needs of different occasions, and can reach reduce cost's purpose simultaneously.
Drawings
FIG. 1 is a front view of an embodiment of the present invention;
fig. 2 is a rear view of an embodiment of the present invention;
FIG. 3 is an exploded view of an embodiment of the present invention;
fig. 4 is a schematic structural view of a modified embodiment of the present invention;
fig. 5 is a schematic structural diagram of another modified embodiment of the present invention.
1. 1' -vent; 2. 2' -water inlet and outlet; 3. 3' -sound-transmission pores; 4. 4' -an air inlet; 5, fixing the belt; 6-air-blocking nose cover; 7-an air inlet protective cover; 8-an air inlet valve frame; 9-air inlet check valve (plastic soft valve); 10-a vent protection cap; 11-exhaust valve frame; 12-exhaust check valve (plastic soft valve); 13-air inlet dust-proof sponge; 14-fixing the belt hook; 15. 15' -airway isolation strips; 151-vertical barrier strips; 152-a rail; 153-card slot; 16-water inlet and outlet cover; 17. 17' -airway sponge scaffold; 18. 18' -airway dust removal sponge; 19. 19' -a waterproof, breathable membrane for the airways; 20. 20' -a shell; 21-an inner shell; 31-a sound transmission membrane; 32-sound blocking baffle.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings and examples.
A dust and haze removal mask, as shown in figures 1-3, which comprises a mask body and at least one fixing strap,
two ends of at least one fixing band are respectively fixed on two sides of the mask body, so that the mask body is fixed on the head of a human body;
the mask body comprises an outer shell 20 and an inner shell 21 which are matched with each other,
the outer side of the outer shell 20, which is far away from the inner shell 21, is provided with an air inlet 4, an air outlet 1 and a sound transmission hole 3, the bottom of the outer shell is provided with a water inlet and a water outlet 2, and the edges of two side walls of the outer shell are respectively provided with at least one fixing belt hook 14;
the air inlet 4 comprises an air inlet protective cover 7, an air inlet valve frame 8, an air inlet one-way valve 9 and air inlet dust-proof sponge 13, the air inlet one-way valve 9 is a plastic soft valve, and the air inlet one-way valve 9 is fixed on the air inlet valve frame 8 and keeps one-way air inlet; and is fixed on the outer side of the shell 20 through the air inlet protective cover 7; the air inlet dust-proof sponge 13 is fixed at the front end of the air inlet one-way valve 9 through the air inlet valve frame 8;
the exhaust port 1 consists of an exhaust port protective cover 10, an exhaust valve frame 11 and an exhaust check valve 12, the exhaust check valve 12 is a plastic soft valve, and the exhaust check valve 12 is fixed on the exhaust valve frame 11 and keeps one-way exhaust; and is fixed to the outside of the case 20 by the vent cover 10;
the inner side of the outer shell 20 facing the inner shell 21 is provided with an air flue isolation belt 15; the air passage isolation belt 15 is L-shaped, and the air inlet 4, the air passage isolation belt 15 and the shell 20 enclose an independent air passage; the air passage isolates the air inlet 4 from the air outlet 1 and the sound transmission hole 3, one end of the air passage close to the air inlet 4 is closed, and the other end of the air passage is provided with an opening;
the air passage waterproof air-permeable films 19 and 19 'are also arranged, and the air passage waterproof air-permeable films 19 and 19' are fixed at the opening end of the air passage isolation belt 15;
the device is characterized by also comprising air passage sponge brackets 17 and air passage dedusting sponges 18, wherein at least two air passage sponge brackets 17 are arranged on the air passage isolation belt 15, and one air passage dedusting sponge 18 is arranged between every two air passage sponge brackets 17; the airway sponge support 17 is preferably a mesh structure.
As an improved technical scheme, as shown in fig. 4, there are an air passage sponge support 17 ' and an air passage dedusting sponge 18 ', at least two air passage sponge supports 17 ' are arranged on two side walls of an independent air passage enclosed by the air passage isolation belt 15 ' and the shell 20 ', and an air passage dedusting sponge 18 ' is arranged between every two air passage sponge supports 17 ';
as a modified solution, as shown in fig. 5, the airway isolation strip 15 is composed of a vertical barrier strip 151 and a horizontal barrier strip 152, and the vertical barrier strip 151 and the horizontal barrier strip 152 form an L shape; the crosspiece bar 152 is a movable structure, and the opposite side walls of the outer shell 20 and the inner shell 21 are provided with oppositely arranged clamping grooves 153; the crosspiece bar 152 is fixed between the outer shell 20 and the inner shell 21 by being inserted into the clamping groove 153;
a purified gas area is also arranged at the opening end of the air passage and is isolated from the air passage through an air passage waterproof breathable film 19; the purified gas zone is filled with one or a combination of activated carbon, melt-blown cloth and chemical agents, such as the activated carbon, the flock-blown cloth or the chemical agents, or the flock-blown cloth, the activated carbon and the flock-blown cloth can be sequentially arranged at intervals, or the flock-blown cloth, the activated carbon, the flock-blown cloth, the chemical agents and the flock-blown cloth can be sequentially arranged at intervals;
as an improved technical scheme, the purified gas area is arranged in the air flue, and after the cross bar 152 is taken out of the clamping groove 153, the air flue can be cleaned conveniently and sanitarily, and the air flue dust removal sponge 18 and 18' can be replaced;
as an improved technical scheme, the purified gas area is set as an independent module, and the internal filler of the purified gas area adopts a module which is preset with activated carbon, melt-blown cloth and chemical agents, so that the integrated replacement is convenient; the purified gas area is connected with the opening end of the air passage in a buckling or clamping groove mode.
A sound transmission membrane 31 is provided on the inner side of the outer shell 20 facing the inner shell 21, on the sound transmission holes 3, 3';
the sound transmission membrane 31 is impermeable to gas, but capable of transmitting sound;
an opening 32 is arranged at the position of the inner shell 21 corresponding to the sound transmission holes 3 and 3', and a sound blocking baffle 31 is arranged between the exhaust port 1 and the sound transmission hole 3 on the inner side of the outer shell 20 facing the inner shell 21;
an air blocking port nose sleeve 6 is arranged on the outer side of the inner shell, which is far away from the outer shell; the gas blocking port nose sleeve 6 is made of flexible materials and is sealed and attached to the skin
The section of the nose sleeve 6 of the air blocking port is triangular, covers the mouth and the nose, and blocks ambient air from entering the mouth and the nose.
The utility model discloses in, exhaust check valve 12 and inlet check valve 9 are the soft valve of plastic, meet positive direction power and just warp, do not have the atress or receive contrary direction power and just restore automatically.
The utility model discloses the bottom of gauze mask is equipped with inlet outlet 2, 2 ', because the water of gauze mask the inside has washed inspiratory gas, and gaseous process has left the micronic dust in water, is equipped with inlet outlet 2, 2' in the bottom, and firstly, make things convenient for in good time to add water, and be convenient for in time wash the gauze mask, ensure that the dust removal of gauze mask removes the haze effect.
The front of the mask of the utility model is provided with the sound transmission holes 3 and 3', which is convenient for the workers to communicate with the languages in the work.
The utility model discloses the gauze mask is equipped with fixed band 5 and fixed band couple 14, is convenient for with the utility model discloses the gauze mask passes through the fixed band to be fixed at workman's head, ensures that the oronasal passes through the utility model discloses the gauze mask advances to give vent to anger.
The utility model discloses the gauze mask has quoted the choke oronasal cover 6 commonly used in order to prevent that ambient air from leaking into, and the cross-section of choke oronasal cover 6 is triangle-shaped, has covered mouth and nose position, chooses for use flexible material to ensure the matching with human face type, prevents that the workman from wearing the gauze mask and breathing the time polluted air and entering into the oral cavity cover.
The utility model discloses gauze mask air inlet visor 7 and gas vent visor 10 prevent external force influence or prevent the impaired visor of soft valve piece.
The utility model discloses gauze mask air inlet valve frame 8 and exhaust valve frame 11 are that protection air inlet check valve 9 and exhaust check valve 12 stabilize on a position.
The utility model discloses gauze mask air inlet hinders dirt sponge 13, installs in 8 the inside of air inlet valve frame, when the people breathes the air that has the pollution, just filtered the large granule in the air when hindering dirt sponge 13 through the air inlet, just strains the contaminated air, has reduced the micronic dust that gets into the air inlet.
The utility model discloses gauze mask air flue median 15, 15 ', its effect is fixed the air that inhales air inlet 4, 4' in the air flue, makes inspiratory air get into along the air flue and hinders the dirt space and remove the dust and remove the haze.
The mask air flue sponge supports 17 and 17' of the utility model have two functions, namely, the function of keeping the dust collection sponge stable; and secondly, the air passage is separated into a plurality of dust blocking spaces, so that the dust blocking action length of the air passage is increased, and the dust blocking effect is improved.
The utility model discloses waterproof ventilated membrane 19, 19' of gauze mask air flue prevents that the dust removal water in the air flue from not influencing the passing through of air simultaneously because of during the gauze mask rocks and gets into respiratory.
The utility model discloses gauze mask sound transmission membrane 31 prevents that contaminated air from advancing inside the gauze mask, does not influence simultaneously spreading of sound, makes things convenient for workman's language to communicate.
The utility model has the advantages that the mask air flue dust removal sponge 18 and 18' has three functions, firstly, the multi-pore characteristic of the sponge is utilized to remove dust of polluted air through the pores of the sponge, and secondly, the characteristic of siphon water storage of the pores of the sponge is utilized to further reduce the size of the pores in the sponge after water enters the mask, thereby improving the dust blocking effect; thirdly, carry out humidification and cooling to the air that passes through, improve human adaptability, further extend simultaneously the utility model discloses an use the place, especially be fit for using in the conflagration, avoid human respiratory track to burn because of high temperature smog.
The utility model discloses gauze mask dust absorption water adds through the inlet outlet 2 of bottom, 2' to store in the air flue. The tiny dust in the air is absorbed in the adhesion on one hand, and the polluted gas in the air is also dissolved on the other hand, so that the air passing through the dust absorption water is pure air, and the pure air is not harmful to the health of people when being sucked into the human body.
The utility model discloses before the use, add quantitative pure water through inlet outlet 2, 2 ', or through adding the pure water washing air flue dust removal sponge 18, 18' many times after, add quantitative pure water again. Then the air-blocking mouth-nose sleeve 6 is sleeved on the mouth and nose parts and is adjusted up and down and left and right to ensure the matching with the human face shape and prevent polluted air from entering the mouth mask when workers wear the mouth mask to breathe; and then fixed on the head by the fixing band 5.
When the utility model is used, when the polluted air is sucked, the exhaust check valves 12 of the exhaust ports 1 and 1 ' are closed, the air inlet check valves 9 of the air inlets 4 and 4 ' are deformed, and the ambient air enters the mask of the utility model through the air inlets 4 and 4 '; firstly, primarily filtering polluted air under the action of the dust-blocking sponge 13 at the air inlet to remove larger particle dust, and then entering an air passage; then the air after primary filtration is subjected to secondary dust and haze removal treatment after sequentially passing through dust removal water and air passage dust removal sponge, the air is humidified, and then enters the human body after passing through the air passage waterproof breathable films 19 and 19'.
When people exhale, the air inlet check valve 9 of the air inlet 4, 4 ' is sealed, the exhaust check valve 12 of the air outlet 1, 1 ' is deformed, and the exhaled air is exhausted through the air outlet 1, 1 ', the utility model discloses in the gauze mask and the environment of entering. Therefore, the air breathed by people can only enter the air inlet 4, 4 'and exit the air outlet 1, 1'.
The utility model discloses the biggest advantage of gauze mask is exactly to be provided with the air flue that has the quantitative pure water inside the gauze mask body, and the air that inhales the human body must remove dust and remove the haze through the air flue that has the quantitative pure water. When people inhale the air filtered by water, the particle dust in the air is completely adsorbed or dissolved by the water molecules when passing through the dedusting water. Therefore, the following steps are described: the purified air is completely free of fine dust when entering the human body.
Claims (10)
1. A dust and haze removal mask, which comprises a mask body and at least one fixing belt and is characterized in that,
two ends of at least one fixing band are respectively fixed on two sides of the mask body, so that the mask body is fixed on the head of a human body;
the mask body comprises an outer shell and an inner shell which are matched with each other,
the outer shell is provided with an air inlet, an air outlet and a sound transmission hole, and the bottom of the outer shell connected with the inner shell is provided with a water inlet and a water outlet;
an air passage isolation belt is arranged on the inner side of the outer shell facing the inner shell; the air passage isolation belt is an L-shaped baffle, and the air inlet, the air passage isolation belt, the outer shell and the inner shell enclose an independent air passage; the air passage separates the air inlet from the air outlet and the sound transmission hole, one end of the air passage close to the air inlet is closed, and the other end of the air passage is an open end;
a sound transmission film is arranged on the inner side of the outer shell facing the inner shell and at the position of the sound transmission hole;
an air blocking port nose sleeve is arranged on the outer side of the inner shell, which is far away from the outer shell;
the cross section of the nose sleeve of the air blocking port is triangular, covers the mouth and the nose, and blocks ambient air from entering the mouth and the nose.
2. The dust-removing and haze-removing mask according to claim 1, further comprising an air inlet protective cover, an air inlet valve frame and an air inlet check valve, wherein the air inlet check valve is a plastic soft valve and is fixed on the air inlet valve frame to keep unidirectional air inlet; and is fixed on the outer side of the air inlet through the air inlet protective cover.
3. The dust and haze removing mask of claim 1, further comprising an exhaust port protective cover, an exhaust valve frame and an exhaust check valve, wherein the exhaust check valve is a plastic soft valve and is fixed on the exhaust valve frame to maintain one-way exhaust; and is fixed at the outer side of the exhaust port through the exhaust port protective cover.
4. The dust and haze removing mask according to claim 1, further comprising an air passage sponge support and an air passage dust removing sponge, wherein at least two air passage sponge supports are arranged on the air passage isolation belt, and the air passage sponge supports fix the air passage dust removing sponge.
5. The dust and haze removing mask according to claim 1, further comprising at least two air passage sponge supports and air passage dust removing sponge, wherein the air passage side wall defined by the air passage isolation belt and the shell is provided with at least two air passage sponge supports which are arranged in a staggered manner, and one air passage dust removing sponge is arranged between every two air passage sponge supports.
6. The dust and haze removing mask according to claim 1, further comprising a waterproof and breathable air passage membrane, wherein the waterproof and breathable air passage membrane is fixed at the open end of the air passage.
7. The dust-and haze-removing mask according to claim 1, further comprising a water-proof and breathable air passage and a purified gas region, wherein the open end of said air passage is provided with a purified gas region, and said purified gas region is isolated from said air passage by said water-proof and breathable air passage.
8. The dust and haze removing mask of claim 7 wherein the purge gas zone is filled with one or more of activated carbon, meltblown, chemical agents.
9. The dust and haze removing mask according to claim 1, wherein the airway isolation strip is composed of a vertical barrier strip and a horizontal barrier strip, and the vertical barrier strip and the horizontal barrier strip are formed into an L shape; the transverse blocking strip is of a movable structure, and clamping grooves which are oppositely arranged are formed in the opposite side walls of the outer shell and the inner shell; the crosspiece strips are embedded into the clamping grooves and fixed between the outer shell and the inner shell.
10. The dust and haze removing mask of claim 1, wherein a sound blocking baffle is provided between the air outlet and the sound transmission hole on a side of the outer shell facing the inner shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921331636.9U CN210747396U (en) | 2019-08-16 | 2019-08-16 | Dust and haze removal mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921331636.9U CN210747396U (en) | 2019-08-16 | 2019-08-16 | Dust and haze removal mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210747396U true CN210747396U (en) | 2020-06-16 |
Family
ID=71057801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921331636.9U Active CN210747396U (en) | 2019-08-16 | 2019-08-16 | Dust and haze removal mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210747396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115845285A (en) * | 2022-12-22 | 2023-03-28 | 惠州市林菲宇电子有限公司 | Filtering structure and electric mask |
-
2019
- 2019-08-16 CN CN201921331636.9U patent/CN210747396U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115845285A (en) * | 2022-12-22 | 2023-03-28 | 惠州市林菲宇电子有限公司 | Filtering structure and electric mask |
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