CN109349704A - A kind of protective mask - Google Patents
A kind of protective mask Download PDFInfo
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- CN109349704A CN109349704A CN201811289073.1A CN201811289073A CN109349704A CN 109349704 A CN109349704 A CN 109349704A CN 201811289073 A CN201811289073 A CN 201811289073A CN 109349704 A CN109349704 A CN 109349704A
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- layer
- valve
- mask
- protective mask
- mask according
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The present invention relates to a kind of protective mask, a kind of protective mask, including mask body, ear band and the breather valve being arranged in the mask body, the mask body includes surface layer, bottom and the filter layer being folded between surface layer and bottom.The protective mask of the application its advantage is that wearer when in use, respiratory resistance is smaller, more preferably smooth, improves the comfort level of wearer.
Description
Technical field
The present invention relates to mask technical fields, more particularly, to a kind of protective mask.
Background technique
Breather valve mask is designed for people's health, visible or invisible for what is be harmful to the human body in air
Substance be filtered, so that deleterious effect will not be brought to human body.
In the damp and hot or ventilation biggish working environment of the poor or amount of labour, can help to wear using the mask with breather valve
Personnel are more comfortable when exhaling.The action principle of breather valve is that the positive pressure of discharge gas when exhaling is blown open valve block is filtered,
Rapidly to exclude internal exhaust gas, feeling of oppression and heat when using mask is reduced, and negative pressure when air-breathing can automatically close valve, with
Avoid the pollutant of inspiration external environment.
The existing Authorization Notice No. that can refer to is the Chinese utility model patent of CN207186942U, and it discloses one kind
Based on the gauze mask breather valve on ergonomics basis, including valve deck, diaphragm and pedestal, the pedestal is hollow cylinder
Shape structure, bottom surrounding are outward extended with interior clamping piece, the interior clamping piece ergonomically parameter, left and right both sides
For the side extension for the extension that is recessed inwardly, top is the upper extension for protruding outward extension, lower section is to outwardly protrude under extension
Extension, the pedestal top is to be evenly distributed with base vent mouth, the diaphragm side of being fixed on the base, the valve deck and bottom
Seat fastens, and the left and right both sides of valve deck and lower section are evenly distributed with several exhaust outlets.
Prior art among the above has the following deficiencies: that its diaphragm only has a complete circular piece, works as wearing in this way
When exhaling, gas can only be shed outward person by the surrounding of the diaphragm, such that wearer's air-flow when exhaling compares
It concentrates, gas is larger to the resistance of external diffusion out of mask, and mask can not be quickly and effectively discharged in the gas breathed out, to make
It obtains and generates moisture inside mask, wearer can generate sense of feeling oppressed, to reduce the wear comfort of wearer.
At the same time, for mask, High dust holding amount, filtration efficiency, low respiratory resistance are that mask product is most crucial
Exploitation pursue, reduce resistance mean more comfortably to wear, efficiently mean to pollute with effective protection, the resistance meeting of mask
Increase with the accumulation of pollution and then influences wearing comfort, and High dust holding amount then means a mask in identical use environment
The a large amount of polluters of accumulation can be adsorbed under the conditions of without obviously increasing respiratory resistance, wearer can comfortably use for this
The more long time is particularly important in the case where polluting relatively heavy environment, and especially some industrial application scenes often require that one
A mask can stop largely to continue dust over one day with continuous wear.Mask realizes that the means of efficient low-resistance mainly make at present
With: 1. electret melt-blown filter material or 2. needle thorn electrostatic cotton+low grammes per square metre electret melt-blown filter material, and High dust holding then uses 1. thick and solid Gao Ke
Weight electret melt-blown filter material or 2. high grammes per square metre needle thorn electrostatic cotton+low grammes per square metre electret melt-blown filter material.
The disadvantage is that: but the key that the electret melt-blown filter material of mask products application is limited in production technology in the industry at present is asked
Topic theoretically structure should can but collapse between the fiber of soft fluffy state, fiber that is, with the ejection of meltblown fibers and superposition
Between space reduce, allow dust containing capacity not increase anti-drop, this make want by increase electret melt-blown filter material thickness (grammes per square metre) it is low to realize
Respiratory resistance and High dust holding amount are met difficulty.The best technology that electret fiber is done on dust containing capacity in the industry at present, product itself
It is larger with its universal product respiratory resistance of user's feedback, it wears for a long time uncomfortable.And other external brand filter materials have
The often price of High dust holding flow characteristic is as many as several times of the country, is not appropriate for market application, and domestic production technology is again basic
It is limited to above-mentioned critical issue.Mainstream is replaced using needle thorn electrostatic cotton+low grammes per square metre electret melt-blown filter material at present in domestic market
For scheme, electrostatic cotton is pierced by needle to realize the Electrostatic Absorption and preliminary filtering function of fine particle, to extend low grammes per square metre electret
It is meltblown the service life of filter material, to realize efficient low-resistance, and is improved by the grammes per square metre of electrostatic cotton to increase appearance dirt.But quality is good
Needle thorn electrostatic cotton itself performance often also only with the 60 ~ 75% of grammes per square metre electret melt-blown filter material, want to reach higher appearances dirt with
Filter effect, mask integral thickness will obviously increase, and can sacrifice comfort and increase respiratory resistance, go back shadow while increasing cost on foot
Ring mask product appearance texture.
Summary of the invention
The object of the present invention is to provide a kind of protective masks, its advantage is that wearer is when in use, respiratory resistance is smaller,
It is more preferably smooth, improve the comfort level of wearer.
Foregoing invention purpose (or goal of the invention one) of the invention has the technical scheme that
A kind of protective mask, including mask body, ear band and the breather valve being arranged in the mask body, the mouth
Cover body includes surface layer, bottom and the filter layer being folded between surface layer and bottom.
By using above-mentioned technical proposal, can be made inside mask body piece by the filter layer of setting being capable of effective mistake
Filter and receiving particulate matter, respiratory resistance will not obviously increase within a certain period of time, accordingly, compared with prior art, user uses
When, for mask under the premise of reaching filtering purpose, breathing is more preferably unobstructed, and customer experience degree is more preferably.
The present invention is further arranged to: the filter layer includes the active carbon layer being filtered to smell in air；Institute
It states and is provided with fluffy fiber stereochemical structure layer between surface layer and bottom, the active carbon layer is laid in the fluffy fiber solid knot
In structure layer, the active carbon particle uniform adhesion of the active carbon layer is on fiber.
By using above-mentioned technical proposal, active carbon is fixed by the fluffy state active carbon layer of setting, so that living
Spatially structure is evenly distributed between surface layer and bottom property layer of charcoal, and active carbon layer utilization rate is higher in use, meanwhile,
The breathing smooth degree of entire mask is more preferably.Wherein, fluffy fiber stereochemical structure layer is hot wind fluffy fiber stereochemical structure into the net,
It is uniform-distribution with the macroscopic active carbon small powder active carbon particle in fibre space and forms active carbon layer, structure tool
There is the active carbon that component is often used times over market mask product, due to being distributed with fluffy space structure and a large amount of carbon granules,
The action time and contact area, the active carbon powder of high degree of dispersion for increasing filtering gas can allow suction-operated to have more effect
And utilization rate, while the dimensional fibre structure thickened reduces the resistance of breathing caused by common active carbon cloth in the market instead
Power, mask of the present invention can be enhanced active carbon mask peculiar smell adsorption filter capacity, be significantly reduced simultaneously by fluffy state active carbon layer
Influence of the active carbon layer to mask entirety respiratory resistance.It makes peculiar smell adsorption more efficient, while significantly reducing respiratory resistance, and mouth
The service life of cover is relatively long.
The present invention is further arranged to: the filter layer includes the High dust holding low-resistance filtering layer being filtered to particulate matter.
By using above-mentioned technical proposal, by the High dust holding low-resistance filtering layer of setting, so that can inside mask body piece
Effectively filtering and receiving particulate matter, respiratory resistance will not obviously increase within a certain period of time, accordingly, compared with prior art, using
When family uses, for mask under the premise of reaching filtering purpose, breathing is more preferably unobstructed, and customer experience degree is more preferably.
The present invention is further arranged to: the High dust holding low-resistance filtering layer include be laid on it is fluffy between the surface layer and bottom
Loose state High dust holding filter layer and the electret melt-blown layer for being uniformly laid on fluffy state High dust holding filter layer side；The fluffy state Gao Rong
Dirt filter layer is made of crimped fibre stereochemical structure, and the electret melt-blown layer is highdensity electret fiber melt spraying non-woven fabrics knot
Structure.
By using above-mentioned technical proposal, can be filtered the air by electret melt-blown layer, filter effect is preferable, but
It is that its dust containing capacity is lower.Prefiltration can be carried out by using fluffy state High dust holding filter layer, stop most of particulate matter, it is only few
Part tiny particles content passes through such as PM2.5, PM0.3, and last high efficiency filter is then carried out by electret melt-blown, can be mitigated in this way
The work load of electret melt-blown improves and uses duration, and hinders after greatly slowing down filters because breathing caused by particulate matter accumulation
Power declines problem, that is, realizes prolonged lower resistance working condition.Fluffy state High dust holding filter layer is crimped fibre stereochemical structure,
Fiber contains electret, and fibre space distance uniformly, by the electret being arranged inside it, can be enhanced to air
Filter effect, meanwhile, compared to needled conventionally electrostatic cotton have the characteristics that distribution of space charge uniformity height and hold dirt space it is big,
The effect and utilization rate of the Electrostatic Absorption function of electret are improved, and there is higher filter efficiency, while being enhanced vertical
Body fibre structure reduces the respiratory resistance of common needle thorn electrostatic cotton in the market instead, and mask of the present invention can the filter of High dust holding amount
Layer enhances mask particulate matter filter capacity, while significantly reducing influence of the electrostatic cotton to mask entirety respiratory resistance.
The present invention is further arranged to: the filter layer further includes the work being laid in the fluffy state High dust holding filter layer
Property layer of charcoal.
By using above-mentioned technical proposal, the work of macroscopic active carbon small powder is uniform-distribution in fibre space
Property the Viability layer of charcoal of charcoal granulated, which, which has, often uses the active carbon of component times over market mask product, due to fluffy
The space structure of pine and the distribution of a large amount of carbon granules increase action time and the contact area of filtering gas, the work of high degree of dispersion
Property charcoal powder can allow suction-operated to have more effect and utilization rate, while the dimensional fibre structure thickened reduces in the market instead
Respiratory resistance caused by common active carbon cloth, mask of the present invention can enhance active carbon by fluffy state High dust holding filter layer
Mask peculiar smell adsorption filter capacity, while significantly reducing influence of the active carbon layer to mask entirety respiratory resistance.Allow peculiar smell adsorption
It is more efficient, while respiratory resistance is significantly reduced, and the service life of mask is relatively long.
The present invention is further arranged to: the surface layer is anion surface layer, and bottom is antibacterial bottom.
By using above-mentioned technical proposal, can effectively in air bacterium and fine particle carry out high efficiency filter,
And can inhibit bacteria breed in mask, reduce mask peculiar smell.
The present invention is further arranged to: the breather valve includes pedestal and the valve deck that is interlocked with pedestal, the pedestal
Cavity is formed between valve deck, and filtering valve block is provided in cavity.
The present invention is further arranged to: several ventholes, the venthole and the cavity are offered on the valve deck
Between be connected；The valve deck is fixedly connected with the first fin far from the one side of the filtering valve block, and first fin is set
It is equipped with a pair, two first fins are parallel to each other and are located at the two sides that valve deck is located remotely from each other, and the venthole is provided with described first
The two sides of fin.
By using above-mentioned technical proposal, when exhaling, generated gas is discharged wearer from each venthole, due to
The middle position of valve deck also offers venthole, can further shunt to gas, can shorten a part of gas in this way
Travel, enable this portion gas from the venthole in middle position be discharged, stop inside mask to reduce gas
The time is stayed, avoids generating moisture in mask, influences the comfort level of wearer.
The present invention is further arranged to: one end of first fin and to be provided with second between two first fins convex
Rib, second fin is V-shaped, and the venthole is provided on the lateral wall of second fin；First fin with
Split channel is formed between second fin.
By using above-mentioned technical proposal, the formation of split channel can shunt the gas of discharge, avoid gas
All gush out and form hot-fluid outside mask, wearer is made to generate feeling of oppression and heat.
The present invention is further arranged to: the strainer valve on piece offers several valve openings, corresponds at the valve opening
It is folded to be equipped with micro-valve piece.
By using above-mentioned technical proposal, by several micro-valve pieces of the filter layer of setting, when people are when wearing mask, wear
Gas caused by wearer's expiration can make several micro-valve pieces while bounce, and gas can be made to disperse in this way, when reducing expiration
Resistance, and gas can be made to be discharged to the greatest extent in this way, avoid generating moisture in mask, reduce the sense of feeling oppressed of wearer,
Wear comfort being improved, meanwhile, in air-breathing, by the filter layer of setting, the air of sucking can be filtered.The application
Compared with the prior art, it breathes more preferably smooth.
The present invention is further arranged to: offer several through-holes on the pedestal, the through hole be provided with for pair
The mounting base that micro-valve piece is supported, the mounting base are arranged in a one-to-one correspondence with the micro-valve piece.
By using above-mentioned technical proposal, micro-valve piece is fixed by the mounting base of setting.
The present invention is further arranged to: being fixedly connected with several supports in the mounting base and in the through-hole
Bar；The valve deck is fixedly connected with and the one-to-one limit plate of micro-valve piece close to the one side of the pedestal.
Can effectively micro-valve piece be supported and be limited by the support rod of setting by using above-mentioned technical proposal
Position, while can be avoided wearer in air-breathing, micro-valve piece touches the face of wearer.At the same time, it is fastened by valve deck
When on pedestal, limit plate can be pushed against micro-valve on piece just, can be improved the stability of micro-valve piece in this way, avoid micro-valve piece
Dislocation is generated in cavity.
The present invention is further arranged to: the support rod is in pedestal inner periphery array distribution, and multiple support rods are far from pedestal
One end of inner wall is connected together to form interconnecting piece；Positioning column, the positioning column direction are fixedly connected on the interconnecting piece
Setting is protruded close to the direction of valve deck, offers location hole compatible with the positioning column on the valve block.
By using above-mentioned technical proposal, valve block is fixed by the support rod of setting, location hole, so that valve block exists
It is more preferably stable in use process.
The present invention is further arranged to: side and with positioning column corresponding position fixed company of the valve deck close to valve block
It is connected to limited post, the limited post protrudes setting towards the direction of valve block.
By using above-mentioned technical proposal, when valve block is placed on support rod, skew or displacement may be generated, is passed through
Positioning column is inserted in the location hole of valve block by the positioning column of setting when installing to valve block, valve block can be made to put in this way
That sets is more stable, will not shake in pedestal.
The present invention is further arranged to: it is provided between two adjacent support rods to the auxiliary pole, it is described auxiliary
Strut one end is helped to be fixed on the mounting base inner wall, the other end is free end.
The quantity of support rod can be reduced by the auxiliary pole of setting relatively by using above-mentioned technical proposal, from
And via area is further increased, to breathe more preferably Sun Shunchang when wearing mask.
The present invention is further arranged to: the micro-valve piece is that figure is peltate, polygon, circle and rectangle or does not advise
Then figure any one or more composite figure therein.
The present invention is further arranged to: the pedestal, valve deck and/or the strainer valve on piece are provided with colored indicator
Layer.
By using above-mentioned technical proposal, for wearer when wearing mask, the colored indicator layer breathed on valve body can
A degree of discoloration is generated according to the contaminated degree of mask, wearer can judge by breathing the discoloration of valve body
Whether mask should be replaced, in such manner, it is possible to enable mask when contaminated known to wearer, prompt wearer that should replace in time
New mask avoids wearer from continuing the mask that wearing is contaminated and causes certain health hazards to body.
In conclusion the invention has the following advantages:
1, by several micro-valve pieces of the filter layer of setting, when people are when wearing mask, wearer exhale caused by gas energy
Enough make several micro-valve pieces while bouncing, gas can be made to disperse in this way, reduces resistance when exhaling, and gas can be made in this way
Discharge to the greatest extent avoids generating moisture in mask, reduces the sense of feeling oppressed of wearer, and improves wear comfort, meanwhile, it is inhaling
When gas, by the filter layer of setting, the air of sucking can be filtered.Compared with the prior art, breathing is more preferably by the application
It is smooth；
2, pass through the High dust holding low-resistance filtering layer of setting so that particulate matter effectively can be filtered and accommodated inside mask body piece,
Certain period of time internal respiration resistance will not obviously increase, accordingly, compared with prior art, when user uses, mask is reaching filtering
Under the premise of purpose, breathing is more preferably unobstructed, and customer experience degree is more preferably；
3, active carbon is fixed by the fluffy state active carbon layer of setting, so that spatially structure is uniformly distributed active carbon layer
Between surface layer and bottom, active carbon layer utilization rate is higher in use, meanwhile, the breathing smooth degree of entire mask is more
It is good；
4, when wearing mask, breathing the colored indicator layer on valve body can generate wearer according to the contaminated degree of mask
A degree of discoloration, wearer can be by breathing the discoloration of valve body to determine whether mask should be replaced, in this way, energy
Enough enable mask when contaminated known to wearer, prompts wearer that should more renew mask in time, wearer is avoided to continue to wear
It wears the mask being contaminated and causes certain health hazards to body；
5, when exhaling, generated gas is discharged wearer from each venthole, since the middle position of valve deck also offers
Venthole can further shunt gas, can shorten the travel of a part of gas in this way, make this portion gas
It can be discharged from the venthole in middle position, to reduce residence time of the gas inside mask, avoid generating in mask wet
Gas influences the comfort level of wearer.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the perspective view of the explosion of prominent breather valve in the present invention；
Fig. 3 is the schematic diagram of the prominent valve deck of the present invention；
Fig. 4 is the schematic diagram of prominent valve block in the present invention；
Fig. 5 is the schematic diagram of the prominent nose bridge bar of the present invention；
Fig. 6 is the structural schematic diagram of prominent embodiment 2 in the present invention；
Fig. 7 is the structural schematic diagram of valve deck in prominent embodiment 2 in the present invention；
Fig. 8 is the structural schematic diagram of micro-valve piece in prominent embodiment 2 in the present invention；
Fig. 9 is the structural schematic diagram of prominent 3 valve seat of embodiment in the present invention；
Figure 10 is the structural schematic diagram of prominent embodiment 4 in the present invention；
Figure 11 is the structural schematic diagram of prominent strainer valve piece in the present invention；
Figure 12 is the schematic diagram of prominent mask body layer structure in the present invention；
Figure 13 is the schematic diagram of a layer structure of the prominent embodiment 5 of the present invention；
Figure 14 is the layer structural fibers schematic diagram of the prominent embodiment 5 of the present invention；
Figure 15 is the structural schematic diagram of the prominent embodiment 6 of the present invention；
Figure 16 is the layer structural fibers schematic diagram of the prominent embodiment 6 of the present invention；
Figure 17 is the schematic diagram of a layer structure of the prominent embodiment 7 of the present invention；
Figure 18 is the layer structural fibers schematic diagram of the prominent embodiment 7 of the present invention；
Figure 19 is the schematic diagram of a layer structure of the prominent embodiment 8 of the present invention.
Appended drawing reference: 1, mask body；11, surface layer；12, bottom；13, functional layer；14, sizing strip；15, nose bridge bar；16,
Filter layer；161, High dust holding low-resistance filtering layer；1611, fluffy state High dust holding filter layer；1612, electret melt-blown layer；162, fluffy state
Active carbon layer；1621, fluffy fiber stereochemical structure layer；1622, active carbon layer；163, activated carbon interlayer；2, ear band；3, it breathes
Valve；31, pedestal；311, through-hole；312, support rod；313, the first clamping raised line；314, mounting base；315, support rib；316, auxiliary
Help strut；32, valve deck；321, venthole；322, the second clamping raised line；323, the first fin；324, the second fin；325, it limits
Column；33, cavity；34, interconnecting piece；341, positioning column；35, valve block is filtered；351, location hole；352, valve opening；353, micro-valve piece；
354, limit plate；36, split channel；37, colored indicator layer.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
As shown in Figure 1, being a kind of mask disclosed by the invention, including mask body 1, it is fixedly connected on 1 liang of mask body
The ear band 2 at end and the breather valve 3 being arranged in mask body 1.Ear band 2 is hung on ear by user when wearing, and is worn
When breathing, gas can be quickly expelled to outside mask body 1 person by breather valve 3, meanwhile, breather valve 3 can be reduced
Wearer sucks extraneous contaminated gas, facilitates health.
In conjunction with Fig. 2 and Fig. 3, breather valve 3 is including pedestal 31 and the valve deck 32 being combined, pedestal 31 are engaged with pedestal 31
Cavity 33 is formed between valve deck 32.Wherein, the shape of pedestal 31 can for regular figure or various irregular shapes or
Other cartoon shapes, such as horn shape, wing shape, triangle, circle, rectangle, polygon, to increase by 3 aesthetics of breather valve.
Spaced horizontal is fixedly connected with the first clamping raised line 313 on the outer wall of pedestal 31, on the inner wall of valve deck 32 with
First clamping 313 one-to-one correspondence level of raised line is installed with the second clamping raised line 322.When valve deck 32 is fastened on pedestal 31,
The second clamping raised line 322 is set to snap fit onto other side from the wherein side of the first clamping raised line 313, in such manner, it is possible to by pedestal 31
It is snapped together with valve deck 32, valve deck 32 is not fallen off.
Through-hole 311 is offered on pedestal 31, cavity 33 is communicated with the outside by through-hole 311, is fixed at through-hole 311
Several support rods 312 are connected with, several support rods 312 circumference array at through-hole 311 is distributed, several support rods 312
One end far from 31 inner wall of pedestal is fixed together to form interconnecting piece 34.It is set in cavity 33 and on support rod 312
It is equipped with filtering valve block 35, several ventholes 321, venthole 321 and cavity 33 and outside air are offered on valve deck 32
It is connected.
It is more stable on support rod 312 in order to be placed on filtering valve block 35, in several 312 companies of being formed by of support rod
Positioning column 341 is fixedly connected in socket part 34, positioning column 341 is protruded towards the direction close to valve deck 32, is leaned in filtering valve block 35
Location hole 351(compatible with positioning column 341 is offered on the one side of nearly pedestal 31 with reference to Fig. 4), positioning column 341 can be inserted
Enter into location hole 351.In this way, positioning column 341 can be inserted in location hole when installing to filtering valve block 35
In 351, so as to improve the stability of filtering valve block 35, filtering valve block 35 is avoided to shake in pedestal 31.
It is solid in the one side of pedestal 31 in valve deck 32 in order to further improve the mounting stability of filtering valve block 35
Surely it is connected with limited post 325, limited post 325 protrudes setting, the position of limited post 325 and positioning towards the direction close to pedestal 31
The position of column 341 is corresponding.
In this way, the limited post after filtering valve block 35 is mounted on pedestal 31, when fastening valve deck 32, on valve deck 32
325 can be connected to just on filtering valve block 35, can effectively be limited to filtering valve block 35 in this way, avoid filtering valve block
35 occur skew in pedestal 31.
Wearer is when wearing, face of 31 one side of pedestal close to wearer, wearer's gas be discharged when exhaling
Positive pressure can blow filtering valve block 35 open, so that gas is discharged from the venthole 321 of valve deck 32, it in this way can be rapidly by gas
Body excludes, and avoids generating moisture in mask, and feeling of oppression and heat when reducing using mask improves wear comfort.When wearer is inhaling
When gas, generated negative pressure can automatically be closed filtering valve block 35, and to avoid the pollutant of inspiration external environment, which is worn
It is convenient, and cost is relatively low, can there is effective reduction polluted gas injury caused by the body of people.
As shown in Figure 1, outside and position in order to enable mask to be more bonded the bridge of the nose of wearer, in mask body 1
In upper end middle position, level is fixedly connected with sizing strip 14.In this way, people, when wearing to mask, wearer passes through curved
Sizing strip 14 is rolled over, the bending degree of mask can be adjusted, so that the bending radian of mask be made to be bonded wearer's just
The bridge of the nose makes mask more be bonded the face of wearer, keeps the protective action of mask more preferable.
As shown in figure 5, in order to further increase the protective action of mask, mask body 1 inside and with sizing strip 14
Corresponding position level is fixedly connected with nose bridge bar 15, and nose bridge bar 15 is equally able to carry out bending, in this way, passing through the bending bridge of the nose
Item 15 can make mask more be bonded the bridge of the nose of wearer, enhance the protection effect of mask, improve wear comfort.
Embodiment 1
In conjunction with Fig. 6, the first fin 323, the setting of the first fin 323 are fixedly connected on one side of the valve deck 32 far from pedestal 31
There are two, two the first fins 323 are located at the two sides that valve deck 32 is located remotely from each other and are parallel to each other, and venthole 321 is then provided with
The two sides of one fin 323.
It is fixedly connected with the second fin 324 in one end of the first fin 323, the second fin 324 is V-shaped, and is located at two
Between first fin 323, the first fin 323 and the second fin 324 form " M " shape, and venthole 321 is also provided with the second fin
On 324 lateral wall, and split channel 36 is formed between the first fin 323 and the second fin 324.
Wearer exhale when, generated gas is discharged from each venthole 321, due to valve deck 32 two sides and in
Between position offer venthole 321, therefore, gas can be shunted, the movement of a part of gas can be shortened in this way
Distance enables this portion gas to be discharged from the venthole 321 in middle position, thus when reducing stop of the gas inside mask
Between, it avoids generating moisture in mask, improves the comfort level of wearer.And the formation of split channel 36, it can be to the gas of discharge
It is further shunted, avoids gas from all gushing out and form hot-fluid outside mask, wearer is made to generate feeling of oppression and heat.
Embodiment 2
In conjunction with shown in Fig. 6 and Fig. 7, several ventholes 321 are offered on valve deck 32, venthole 321 is with cavity 33 and outside
Portion's contact air.Several valve openings 352 are offered on filtering valve block 35, have been arranged in a one-to-one correspondence micro-valve at valve opening 352
Piece 353 offers several through-holes 311 on pedestal 31, and cavity 33 is communicated with the outside by through-hole 311, at through-hole 311
It is provided with the mounting base 314 for being supported to micro-valve piece 353, mounting base 314 is arranged in a one-to-one correspondence with micro-valve piece 353.It crosses
Trap valve piece 35 and micro-valve piece 353 are non-woven fibrous structure, it is preferable to use KN95 rank filter material performance material-structure.
The shape of micro-valve piece 353 can be the various regular figures such as ellipse, peltate, triangle, polygon or not advise
The then single figure or composite figure of figure.
When people are when wearing mask, 31 one side of pedestal close to wearer face, wearer exhale caused by gas
It can make several micro-valve pieces 353 while bounce, gas can be made to disperse in this way, reduce resistance when exhaling, and in this way can
Gas is discharged to the greatest extent, avoids generating moisture in mask, reduces the sense of feeling oppressed of wearer, improve wear comfort.
It should be noted that the diameter of valve opening 352 is less than the diameter of micro-valve piece 353, and micro-valve piece 353 is located at filtering valve block
Between 35 and valve deck 32, thus, micro-valve piece 353 can be limited by filtering valve block 35, so that micro-valve piece 353 is using
It is relatively stable in the process, without departing from.
In order to carry out more stable support to micro-valve piece 353, level is fixedly connected with several branch in mounting base 314
Support rib 315, wherein support rib 315 can be capable of increasing by the support rib 315 of setting to micro-valve piece for one or more
353 bearing area is effectively supported and limits to micro-valve piece 353, and micro-valve piece 353 in use process is avoided to be detached from installation
Seat 314.
In order to improve micro-valve piece 353 placement stability, valve deck 32 close to the one side of pedestal 31 be fixedly connected with
The one-to-one limit plate 354 of micro-valve piece 353, the position of limit plate 354 are corresponding with the position of support rib 315.In this way, will
When valve deck 32 is fastened on pedestal 31, limit plate 354 can be pushed against on micro-valve piece 353 just, can be improved micro-valve piece in this way
353 stability avoids micro-valve piece 353 from generating dislocation in cavity 33.
As shown in figure 8, in this embodiment, filtering can also be integrated formed structure between valve block 34 and micro-valve piece 353.
At the central axes of micro-valve piece 353 with filtering valve block 34 link together, and the rest part of micro-valve piece 353 then with filtering valve block 34
In discrete state, in order to which smoothly gas can be discharged when exhaling by wearer.But micro-valve piece 353 and filtering valve block 34
Link position it is without being limited thereto, can also be that any one edge of micro-valve piece 353 is connected with filtering valve block 34.
Embodiment 3
As shown in figure 9, offering through-hole 311 on pedestal 31, cavity 33 is communicated with the outside by through-hole 311, in through-hole 311
Place is fixedly connected with several support rods 312, several support rods 312 circumference array at through-hole 311 is distributed, several supports
Bar 312 is fixed together to form interconnecting piece 34 far from one end of 31 through-hole of pedestal, 311 inner wall.Wherein, the quantity of connecting rod
It can be one or more, auxiliary pole 316,316 one end of auxiliary pole are fixedly installed between adjacent two support rods 312
It is fixed on the inner wall of through-hole 311, the other end is free end, by the auxiliary pole 316 of setting, more can effectively be reduced
The quantity of support rod 312, it is relatively stable when being supported to filtering valve block 35, meanwhile, occupy the cross-sectional area of through-hole 311 compared with
It is small, thus, in breathing, compared to relatively all using support rod 312, it is more preferable which breathes smooth degree.
Embodiment 4
In conjunction with shown in Figure 10 and Figure 11, by the difference of the factors such as the environment of the worn mask of people, the pollution period of mask and
Pollution level is not also identical, and people can not judge whether mask can also continue to wear, and thus can make some masks
It pollutes but people is still using.
Colored indicator layer 37 is provided on breather valve 3.The setting of colored indicator layer 37 is in filtering valve block 35 close to pedestal
It on 31 one side, but is not limited on filtering valve block 35, the breathing such as valve deck 32, pedestal 31, support rod 312 can also be set
Any position of valve 3.
When people are when wearing mask, colored indicator layer 37 because implication moisture condensation, contact saliva, human secretory oil
After rouge causes bacteria breed to pollute, metachromasia will occur, discoloration and pollution level are positively correlated, and wearer can be according to mistake
Pollution level in the strong and weak real-time monitoring mask of the discoloration of trap valve piece 35, thus judge whether mask needs replacing,
It can be avoided wearer in this way to continue the mask with pollution and influence health.
Embodiment 5
In conjunction with shown in Figure 12 and Figure 13, mask body 1 include surface layer 11, bottom 12 and be folded in surface layer 11 and bottom 12 it
Between filter layer 16, by filter layer 16 can in air particle or smell be filtered.
Wherein, surface layer 11 is made of spun-bonded non-woven fabrics or spunlace non-woven cloth material, and is anion surface layer, and bottom 12
It for the compound nonwoven layer of low reverse osmosis hydrophilic nonwoven layer of cloth, nontoxic antibacterial nonwoven cloth layer or both, and is antibacterial bottom, Neng Gouyou
Effect in air bacterium and fine particle carry out high efficiency filter, and can inhibit bacteria breed in mask, reduce mask peculiar smell.
In conjunction with shown in Figure 13 and Figure 14, filter layer 16 includes the High dust holding low-resistance filtering layer 161 being filtered to particulate matter, is led to
The High dust holding low-resistance filtering layer 161 for crossing setting can filter the air, at the same time, receiving particulate matter that can be more, and
Unobvious increase resistance.
High dust holding low-resistance filtering layer 161 includes the fluffy state High dust holding filter layer 1611 being laid between surface layer 11 and bottom 12
Uniformly it is laid on the electret melt-blown layer 1612 of fluffy 1611 side of state High dust holding filter layer.Wherein, fluffy state High dust holding filtering
Layer 1611 is made of crimped fibre stereochemical structure, and fiber contains electret, and fibre space distance is macroscopic fluffy uniformly
Loose state has certain thickness filtering layer, effectively can filter and accommodate particulate matter, with using the time to increase, in certain time not
Respiratory resistance can be obviously increased, so that air permeable mask is more smooth, is worn more preferably comfortable.
Wherein, electret melt-blown layer 1612 is process using electret melt-blown filter material, and fluffy state High dust holding filter layer 1611 exists
It produces in melt blown process, electret melt-blown filter material is directly added into fibrous material master batch molten liquid with powder morphology, is uniformly dispersed, and is led to
The filter material is crossed to enhance filter effect.
The High dust holding low-resistance filtering layer 161 be it is a kind of it is fluffy, between fiber each other with the fibre of uniform larger space distance
Web frame is tieed up into, there is certain thickness, there is electret doping, there is distribution of space charge compared to needled conventionally electrostatic cotton
The uniformity high feature big with dirt space is held, improves the effect and utilization rate of the Electrostatic Absorption function of electret, and have
Higher filter efficiency, while the dimensional fibre structure enhanced reduces the breathing resistance of common needle thorn electrostatic cotton in the market instead
Power, mask of the present invention are High dust holding amount filtering layer, enhance mask particulate matter filter capacity and prolong the service life, significantly reduce simultaneously
Influence of the electrostatic cotton to mask entirety respiratory resistance.
Embodiment 6
In conjunction with shown in Figure 15 and Figure 16, the present embodiment and 5 structure of embodiment are the difference is that filter layer 16, filter layer 16 are fluffy
Loose state active carbon layer 162.
Fluffy state active carbon layer 162 includes that fluffy fiber stereochemical structure layer 1621 and the uniform fluffy fiber that is laid on are stood
Active carbon layer 1622 in body structure sheaf 1621.Wherein, fluffy state active carbon layer 162 is hot wind fluffy fiber solid knot into the net
Structure forms fluffy fiber stereochemical structure layer 1621, and the small powder of macroscopic active carbon is uniform-distribution in fibre space should
Active carbon particle forms active carbon layer 1622, which has the active carbon that component is often used times over market mask product, due to
It is distributed with fluffy space structure and a large amount of carbon granules, makes peculiar smell adsorption more efficient, while significantly reducing respiratory resistance, and
The service life of mask is relatively long.
Fluffy state active carbon layer 162 is a kind of fiber of the active carbon powder distribution of solid into web frame, is had certain thick
Degree, the action time and contact area, the active carbon powder of high degree of dispersion for increasing filtering gas can allow suction-operated to have more
Effect and utilization rate, while the dimensional fibre structure thickened reduces breathing caused by common active carbon cloth in the market instead
Resistance, mask of the present invention can enhance active carbon mask peculiar smell adsorption filter capacity by fluffy state active carbon layer 162, show simultaneously
Write the influence for reducing active carbon layer 1622 to mask entirety respiratory resistance.
Embodiment 7
In conjunction with shown in Figure 17 and Figure 18, the present embodiment and 5 structure of embodiment are the difference is that filter layer 16, filter layer 16 include
The activated carbon interlayer 163 and High dust holding low-resistance filtering layer 161 being folded between surface layer 11 and bottom 12.
It can be filtered the air by the High dust holding low-resistance filtering layer 161 of setting, at the same time, receiving that can be more
Particulate matter, without obviously increasing resistance, meanwhile, the peculiar smell in air is absorbed by the active carbon layer 1622 of setting, mistake
Filter.
With reference to Fig. 3 and Fig. 4, High dust holding low-resistance filtering layer 161 includes the fluffy state height being laid between surface layer 11 and bottom 12
The electret melt-blown layer 1612 for holding dirt filter layer 1611 and being uniformly laid in fluffy state High dust holding filter layer 1611.Wherein, fluffy
State High dust holding filter layer 1611 is made of crimped fibre stereochemical structure, and fiber contains electret, and fibre space distance uniformly, is
Macroscopic fluffy state has certain thickness filtering layer, effectively can filter and accommodate particulate matter, with using the time to increase,
Respiratory resistance will not be obviously increased in certain time, so that air permeable mask is more smooth, worn more preferably comfortable.
At the same time, activated carbon interlayer 163 is evenly distributed on fiber surface with fine grained or pulverulence.High degree of dispersion
Active carbon powder can allow the suction-operated of active carbon to have more effect and utilization rate, while the dimensional fibre structure thickened drops instead
Respiratory resistance caused by low common active carbon in the market, the filter layer 16 is while playing High dust holding filtration of particulate matters
Play peculiar smell filtration.
The application passes through the active carbon layer 1622 and electret melt-blown layer that are arranged in fluffy state High dust holding filter layer 1611
1612, the distribution of space charge uniformity of traditional electret melt-blown layer 1612 is enhanced, and hold dirt space, improves electret melt-blown layer
The effect and utilization rate of 1612 Electrostatic Absorption function.The dimensional fibre structure thickened reduces common electrostatic in the market instead
The respiratory resistance of cotton, while the active carbon powder of compound high degree of dispersion can allow suction-operated to have more effect and utilization rate, subtract
The use for having lacked individual active carbon filtering layer, can further decrease inspiratory resistance.Mask of the present invention, by fluffy state High dust holding mistake
Filtering layer 1611 and electrostatic cotton are combined into one, and reduce thickness, reduce certain inspiratory resistance, and realize that particulate matter protects simultaneously
With peculiar smell adsorption filter capacity.
Embodiment 8
As shown in figure 19, the present embodiment and 5 structure of embodiment the difference is that: also set up between filter layer 16 and surface layer 11
Active ergosphere 13, functional layer 13 includes the one or more of hot air cotton layer, antibacterial nonwoven cloth layer, by the layer, can eliminate the unusual smell,
Dehumidifying, antibacterial, it is thus possible to assign mask different service performances, thus, so that the mask has multi-functional, it is adapted to
Different workplaces.
It should be understood that scheme involved in the application can apply in ear-wearing type mask or wear-type mouth or
In other mask products of person.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (17)
1. a kind of protective mask, including mask body (1), ear band (2) and setting exhaling on the mask body (1)
It inhales valve (3), it is characterised in that: the mask body (1) includes surface layer (11), bottom (12) and is folded in surface layer (11) and bottom
Filter layer (16) between layer (12).
2. protective mask according to claim 1, it is characterised in that: the filter layer (16) includes carrying out to smell in air
The active carbon layer (1622) of filtering；Fluffy fiber stereochemical structure layer is provided between the surface layer (11) and bottom (12)
(1621), the active carbon layer (1622) is laid in the fluffy fiber stereochemical structure layer (1621), the active carbon layer
(14) active carbon particle uniform adhesion is on fiber.
3. protective mask according to claim 1, it is characterised in that: the filter layer (16) includes carrying out to particulate matter
The High dust holding low-resistance filtering layer (161) of filtering.
4. protective mask according to claim 3, it is characterised in that: the High dust holding low-resistance filtering layer (161) includes paving
The fluffy state High dust holding filter layer (1611) that is located between the surface layer (11) and bottom (12) and to be uniformly laid on fluffy state high
Hold the electret melt-blown layer (1612) of dirt filter layer (1611) side；The fluffy state High dust holding filter layer (1611) is crimped fibre
Stereochemical structure is made, and the electret melt-blown layer (1612) is highdensity electret fiber melt spraying non-woven fabrics structure.
5. protective mask according to claim 4, it is characterised in that: the filter layer (16) further include be laid in it is described
Active carbon layer (1622) in fluffy state High dust holding filter layer (1611).
6. protective mask according to claim 1, it is characterised in that: the surface layer (11) is anion surface layer, bottom
It (12) is antibacterial bottom.
7. protective mask according to claim 1, it is characterised in that: the breather valve (3) include pedestal (31) and
The valve deck (32) being interlocked with pedestal (31) forms cavity (33) between the pedestal (31) and valve deck (32), in cavity (33)
Inside it is provided with filtering valve block (35).
8. protective mask according to claim 7, it is characterised in that: offer several outlets on the valve deck (32)
Hole (321) is connected between the venthole (321) and the cavity (33)；The valve deck (32) is far from the filtering valve block
(35) one side is fixedly connected with the first fin (323), and first fin (323) is provided with a pair, two first fins
(323) it is parallel to each other and is located at the two sides that valve deck (32) are located remotely from each other, the venthole (321) is provided with first fin
(323) two sides.
9. protective mask according to claim 8, it is characterised in that: one end of first fin (323) and be located at
It is provided with the second fin (324) between two first fins (323), second fin (324) is V-shaped, the venthole
(321) it is provided on the lateral wall of second fin (324)；First fin (323) and second fin (324) it
Between formed split channel (36).
10. protective mask according to claim 7, it is characterised in that: offered on the filtering valve block (35) several
A valve opening (352) corresponds at the valve opening (352) and folded is equipped with micro-valve piece (353).
11. protective mask according to claim 10, it is characterised in that: it is logical to offer several on the pedestal (31)
Hole (311) is provided with the mounting base (314) for being supported to micro-valve piece (353), the installation at the through-hole (311)
Seat (314) is arranged in a one-to-one correspondence with the micro-valve piece (353).
12. protective mask according to claim 11, it is characterised in that: in the mounting base (314) and be located at described
Several support rods (312) are fixedly connected in through-hole (311)；One side of the valve deck (32) close to the pedestal (31) is solid
Surely it is connected with and the one-to-one limit plate (354) of the micro-valve piece (353).
13. protective mask according to claim 12, it is characterised in that: the support rod (312) is in pedestal (31)
Circumference array distribution, multiple support rods (312) are connected together to form interconnecting piece (34) far from one end of pedestal (31) inner wall；
It is fixedly connected with positioning column (341) on the interconnecting piece (34), the positioning column (341) is convex towards the direction close to valve deck (32)
It is arranged out, the compatible location hole (351) with the positioning column (341) is offered on the valve block.
14. protective mask according to claim 13, it is characterised in that: the valve deck (32) close to valve block side and
Position corresponding with positioning column (341) is fixedly connected with limited post (325), and the limited post (325) is towards the direction of valve block
Protrusion setting.
15. protective mask according to claim 12, it is characterised in that: between two adjacent support rods (312)
It is provided with to the auxiliary pole (316), described auxiliary pole (316) one end is fixed on the mounting base (314) inner wall, separately
One end is free end.
16. protective mask according to claim 10, it is characterised in that: the micro-valve piece (353) be figure be peltate,
Polygon, circle and rectangle or irregular figure any one or more composite figure therein.
17. protective mask according to claim 7, it is characterised in that: the pedestal (31), valve deck (32) and/or institute
It states and is provided with colored indicator layer (37) in filtering valve block (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811289073.1A CN109349704A (en) | 2018-10-31 | 2018-10-31 | A kind of protective mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811289073.1A CN109349704A (en) | 2018-10-31 | 2018-10-31 | A kind of protective mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109349704A true CN109349704A (en) | 2019-02-19 |
Family
ID=65347532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811289073.1A Pending CN109349704A (en) | 2018-10-31 | 2018-10-31 | A kind of protective mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109349704A (en) |
Cited By (7)
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| CN111820498A (en) * | 2019-04-19 | 2020-10-27 | 天津大学 | PM2.5 mask based on electrostatic adsorption and high-molecular water-absorbent resin |
| CN111820505A (en) * | 2020-08-10 | 2020-10-27 | 安徽美裕集团有限公司 | Disposable medical mask |
| CN112205692A (en) * | 2020-11-24 | 2021-01-12 | 仙桃市华夏服饰有限公司 | Non-woven fabric mask and production process thereof |
| CN112545082A (en) * | 2020-12-31 | 2021-03-26 | 广西德福莱医疗器械有限公司 | Multifunctional mask |
| US20210259343A1 (en) * | 2020-02-24 | 2021-08-26 | Wuyi University | High-temperature virus-killing mask |
| WO2021212830A1 (en) * | 2020-04-23 | 2021-10-28 | 金发科技股份有限公司 | Breathing protection device |
| CN113712314A (en) * | 2021-09-13 | 2021-11-30 | 清渤美(滨州)科技发展有限公司 | Sport mask and manufacturing method thereof |
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| US20210259343A1 (en) * | 2020-02-24 | 2021-08-26 | Wuyi University | High-temperature virus-killing mask |
| US11641901B2 (en) * | 2020-02-24 | 2023-05-09 | Wuyi University | High-temperature virus-killing mask |
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Application publication date: 20190219 |