CN209333048U - A kind of breather valve and its applied mask with air filtration performance - Google Patents
A kind of breather valve and its applied mask with air filtration performance Download PDFInfo
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- CN209333048U CN209333048U CN201821790316.5U CN201821790316U CN209333048U CN 209333048 U CN209333048 U CN 209333048U CN 201821790316 U CN201821790316 U CN 201821790316U CN 209333048 U CN209333048 U CN 209333048U
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- breather
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Abstract
The utility model relates to a kind of breather valve with air filtration performance and its applied masks, it is related to mask technical field, it includes a kind of breather valve with air filtration performance, breather valve includes pedestal and the valve deck that is interlocked with pedestal, cavity is formed between pedestal and valve deck, cavity is provided with filtering valve block, the strainer valve on piece offers several valve openings, micro-valve piece is provided at valve opening, several through-holes are offered on pedestal, the through hole is provided with the mounting base for being supported to micro-valve piece.A kind of mask, including mask body, the breather valve that is fixedly connected on the ear band at mask body both ends and is arranged in mask body.The utility model has the advantages that wearer is when exhaling, gas can be discharged simultaneously by several micro-valve pieces, gas can be made to disperse in this way, reduce resistance when exhaling, and gas can be made to be discharged to the greatest extent in this way, it avoids generating moisture in mask, reduces the sense of feeling oppressed of wearer, improve wear comfort.
Description
Technical field
The utility model relates to mask technical field, more particularly, to a kind of breather valve with air filtration performance and its
Applied mask.
Background technique
Current mask develops comparatively perfect, and primary categories are industrial protection mask, civil protective mask, medical protection mouth
Cover, shape then mainly have plane, folded form, cup type, can functionally be combined by different filter materials to realize in air
The effective protection of the pollutants such as particulate matter, bacterium, virus, pernicious gas, peculiar smell.
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 blows valve block open, with fast
Speed excludes internal exhaust gas, feeling of oppression and heat when reducing using mask, and negative pressure when air-breathing can automatically close valve, to avoid
The pollutant of inspiration external environment.
Breather valve is then component indispensable in such mask, and breather valve can mitigate mouth to reduce expiratory resistance
The sense of feeling oppressed worn is covered, folding mouth mask and cup type mask have largely used breather valve in market.Most common breathing in the market
Valve is round breather valve, and the practical ventilation section of round breather valve and gas flux are smaller, this makes overwhelming majority breathing at present
The sense although valve port cover can be felt oppressed by discharge gas mitigation, but still cannot be felt oppressed by breather valve very good solution mask and be asked
Topic, moisture still can be detained in the part in mask, and breather valve is the place that environment is the moistest in entire mask, daily wearing
When water outlet especially can be also coagulated at autumn and winter breather valve because of moisture entrapment and bacterium is easiest to the place bred, bacterium
Growth on the one hand can bring health harm, on the other hand also bring along peculiar smell.
In addition, breather valve also has negative role, data are shown, with money folding mouth mask product, increasing breather valve can significantly increase
Add 1.2~1.5 times of inspiratory resistances, it is air-locked, air-breathing that reason, which is that market muzzles valve block as silica gel or rubber material,
When, entire breather valve is equivalent to an air-locked plane, and the mask actual airflow for blocking nearly one third passes through area, into
And increase inspiratory resistance.How breather valve while unobvious increase inspiratory resistance and breather valve problem to be solved used
One of.
Such as the Chinese patent that notification number is CN207186942U, it discloses a kind of based on the novel of ergonomics basis
Mask breather valve, including valve deck, diaphragm and pedestal, the pedestal are hollow cylindrical structure, and bottom surrounding is to extension
Stretching has interior clamping piece, the interior clamping piece ergonomically parameter, and left and right both sides are that the be recessed inwardly side of extension is extended
Portion, top is the upper extension for protruding outward extension, lower section is the lower extension for outwardly protruding extension, is equal above the pedestal
It is even that base vent mouth, the diaphragm side of being fixed on the base, the valve deck and pedestal fastening, the left and right both sides of valve deck are distributed with
And lower section is evenly distributed with several exhaust outlets.
Prior art among the above has the following deficiencies:
1, its diaphragm is common diaphragm, and does not have air filtering function, such that weakening significantly the effect of mask；
2, its diaphragm only has a complete circular piece, and in this way when wearer is when exhaling, gas can only pass through the diaphragm
Surrounding sheds outward, such that wearer's air-flow when exhaling compares concentration, gas is out of mask to the resistance of external diffusion
Larger, mask can not be quickly and effectively discharged in the gas breathed out, so that generating moisture inside mask, wearer can be generated
Feel oppressed sense, to reduce the wear comfort of wearer.
Utility model content
In view of the deficienciess of the prior art, the purpose of the utility model is to provide a kind of exhaling with air filtration performance
Valve and its applied mask are inhaled, its advantage is that breather valve can be as filter element to the gas of sucking in air-breathing by wearer
It is filtered, improves mask performance, and alleviate because increasing the problem of breather valve causes inspiratory resistance to increase.
The above-mentioned purpose one of the utility model has the technical scheme that a kind of with air filtration
The breather valve of energy forms cavity between the pedestal and valve deck, in cavity including pedestal and the valve deck being interlocked with pedestal
It is provided with the filtering valve block with filtering function.
By using above-mentioned technical proposal, for wearer when wearing the mask, breather valve can be as filter element to suction
The gas entered is filtered, and improves mask performance, and is alleviated because increasing the problem of breather valve causes inspiratory resistance to increase.
The utility model is further arranged to: the filtering valve block is non-woven fibrous structure.
It by using above-mentioned technical proposal, can be played a role in filtering to air using non-woven fibrous structure, improve mouth
Air quality inside cover, avoids the contaminated air impact health of wearer's inspiration.
The utility model is further arranged to: the edge of the filtering valve block is fixed on the base, the strainer valve
On piece offers several valve openings, and micro-valve piece has been arranged in a one-to-one correspondence at the valve opening.
The utility model is further arranged to: several through-holes is offered on the pedestal, the through hole setting is useful
In the mounting base being supported to micro-valve piece, the mounting base is arranged in a one-to-one correspondence with the micro-valve piece.
By using above-mentioned technical proposal, when people are when wearing mask, gas caused by wearer's expiration can make
Several micro-valve pieces bounce simultaneously, gas can be made to disperse in this way, reduce resistance when exhaling, and can make gas maximum in this way
The discharge of degree avoids generating moisture in mask, reduces the sense of feeling oppressed of wearer, improves wear comfort.
The utility model is further arranged to: the micro-valve piece is for polygon, circle, peltate and rectangle or irregularly
Round any one or more composite figure therein.
By using above-mentioned technical proposal, by being arranged to different shapes, can be selected according to the actual situation, from
And it improves the strainability of breather valve and reduces inspiratory resistance.
The utility model is further arranged to: level is fixedly connected with several support rods in the mounting base.
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.
The utility model is further arranged to: the valve deck close to the one side of the pedestal be fixedly connected with it is described micro-
The one-to-one limit plate of valve block.
By using above-mentioned technical proposal, when valve deck to be fastened on pedestal, limit plate can be pushed against micro-valve just
On piece can be improved the stability of micro-valve piece in this way, and micro-valve piece is avoided to generate dislocation in cavity.
The utility model is further arranged to: offer several gas outlets on the valve deck, the gas outlet with it is described
It is connected between cavity；The valve deck is fixedly connected with the first fin far from the one side of the filtering valve block, and described first is convex
Rib is provided with a pair, and 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 gas outlet is provided with described
The two sides of first fin.
By using above-mentioned technical proposal, when exhaling, generated gas is discharged wearer from each gas outlet, due to
The middle position of valve deck also offers gas outlet, can further shunt to gas, can shorten a part of gas in this way
Travel, enable this portion gas from the gas outlet 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 utility model is further arranged to: one end of first fin and is provided between two first fins
Two fins, second fin is V-shaped, and the gas outlet is provided on the lateral wall of second fin；Described first is convex
Split channel is formed between rib and 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 above-mentioned purpose two of the utility model has the technical scheme that a kind of mask, including mask
Ontology, the ear band for being fixedly connected on mask body both ends and the breather valve being arranged in mask body.
By using above-mentioned technical proposal, for wearer when breathing, each micro-valve piece can respond air-flow simultaneously
Realization is bounced and is closed, and gas can be made to disperse in this way, is reduced resistance when wearer exhales, is arranged gas to the greatest extent
Out, it avoids wearer from generating sense of feeling oppressed, improves wear comfort.
In conclusion the advantageous effects of the utility model are as follows:
By multiple micro-valve pieces of setting, gas can be discharged simultaneously by several micro-valve pieces, can make gas in this way
Dispersion reduces resistance when exhaling, and gas can be made to be discharged to the greatest extent in this way, avoids generating moisture in mask, reduce
The sense of feeling oppressed of wearer improves wear comfort.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the exploded view that the utility model embodies breather valve；
Fig. 3 is the schematic diagram that the utility model embodies the second clamping raised line；
Fig. 4 is the schematic diagram that the utility model embodies filtering valve block and micro-valve piece connection type；
Fig. 5 is the schematic diagram that the utility model embodies nose bridge bar.
In figure, 1, mask body；11, sizing strip；12, nose bridge bar；2, ear band；3, breather valve；31, pedestal；311, through-hole；
312, mounting base；3121, support rod；313, the first clamping raised line；32, valve deck；321, gas outlet；322, the second clamping raised line；
323, the first fin；324, the second fin；325, limit plate；33, cavity；34, valve block is filtered；341, micro-valve piece；35, it shunts logical
Road.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, being a kind of mask disclosed by the utility model, including mask body 1, it is fixedly connected on mask body
The ear band 2 at 1 both ends and the breather valve 3 being arranged in mask body 1.Ear band 2 is hung on ear by user when wearing,
When breathing, gas can be quickly expelled to outside mask body 1 wearer by breather valve 3, meanwhile, breather valve 3 can
It reduces wearer and sucks extraneous contaminated gas, facilitate health.
Breather valve 3 includes pedestal 31 and the valve deck 32 being interlocked with pedestal 31, is formed between pedestal 31 and valve deck 32 empty
Chamber 33 is provided with filtering valve block 34 in cavity 33, uses and be welded and fixed between the edge and pedestal 31 of filtering valve block 34.In valve
Several gas outlets 321 are offered on lid 32, gas outlet 321 is connected with cavity 33 and outside air.In filtering valve block 34
On offer several valve openings, micro-valve piece 341 has been arranged in a one-to-one correspondence at valve opening, several through-holes are offered on pedestal 31
311, cavity 33 is communicated with the outside by through-hole 311, is provided at through-hole 311 for being supported to micro-valve piece 341
Mounting base 312, mounting base 312 are arranged in a one-to-one correspondence with micro-valve piece 341.It filters valve block 34 and micro-valve piece 341 is non-woven fibre
Structure is, it is preferable to use KN95 rank filter material performance material-structure, edge also are used to increase micro-valve piece containing one fixed width
The sealing of elasticity and density.Micro-valve piece 341 is ellipse, but is not limited to ellipse, can also be rectangle, polygon, circle
Etc. various geometric figures and combinations thereof.
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 341 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.
As shown in Figures 2 and 3, spaced horizontal is fixedly connected with the first clamping raised line 313 on the outer wall of pedestal 31, in valve
The second clamping raised line 322 is installed with the first clamping 313 one-to-one correspondence level of raised line on the inner wall of lid 32.
When valve deck 32 to be fastened on pedestal 31, make the second clamping raised line 322 from wherein the one of the first clamping raised line 313
Side snaps fit onto other side, in such manner, it is possible to which pedestal 31 and valve deck 32 are snapped together, valve deck 32 is not fallen off.
As shown in Fig. 2, level is fixedly connected in mounting base 312 in order to carry out more stable support to micro-valve piece 341
There are several support rods 3121, by the support rod 3121 of setting, is capable of increasing the bearing area to micro-valve piece 341, effectively
Micro-valve piece 341 is supported and is limited, while can be avoided wearer in air-breathing, micro-valve piece 341 touches wearer's
Face.
As shown in Figures 2 and 3, solid close to the one side of pedestal in valve deck in order to improve the stability that micro-valve piece 341 is placed
Surely be connected with the one-to-one limit plate of micro-valve piece, the position of limit plate and the position of support rod are corresponding.In this way, by valve
When lid is fastened 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 generates dislocation in cavity.
As shown in Fig. 2, being fixedly connected with the first fin 323, the first fin on one side of the valve deck 32 far from pedestal 31
323 are provided with two, and 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 gas outlet 321 is then opened
It is located at the two sides of the first 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 gas outlet 321 is also provided with the second fin
On 324 lateral wall, and split channel 35 is formed between the first fin 323 and the second fin 324.
Wearer exhale when, generated gas is discharged from each gas outlet 321, due to valve deck 32 two sides and in
Between position offer gas outlet 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 gas outlet 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, can to the gas of discharge into
Row is further to be shunted, and is avoided gas from all gushing out and is formed hot-fluid outside mask, wearer is made to generate feeling of oppression and heat.
As shown in figure 4, in this embodiment, filtering can also be integrated formed structure between valve block 34 and micro-valve piece 341.
At the central axes of micro-valve piece 341 with filtering valve block 34 link together, and the rest part of micro-valve piece 341 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 341 and filtering valve block 34
Link position it is without being limited thereto, can also be that any one edge of micro-valve piece 341 is connected with filtering valve block 34.
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 11.In this way, people, when wearing to mask, wearer passes through curved
Sizing strip 11 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 11
The corresponding position level of (see figure 1) is fixedly connected with nose bridge bar 12, and nose bridge bar 12 is equally able to carry out bending, in this way, passing through
Nose bridge bar 12 is bent, mask can be made more to be bonded the bridge of the nose of wearer, enhances the protection effect of mask, improves comfortable wearing
Degree.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (10)
1. a kind of breather valve with air filtration performance, it is characterized in that: being interlocked including pedestal (31) and with pedestal (31)
Valve deck (32), form cavity (33) between the pedestal (31) and valve deck (32), being provided with one in the cavity (33) has
The filtering valve block (34) of filtering function.
2. a kind of breather valve with air filtration performance according to claim 1, it is characterized in that: the filtering valve block
It (34) is non-woven fibrous structure.
3. a kind of breather valve with air filtration performance according to claim 1, it is characterized in that: the filtering valve block
(34) edge is fixed on the pedestal (31), offers several valve openings on the filtering valve block (34), at the valve opening
It has been arranged in a one-to-one correspondence micro-valve piece (341).
4. a kind of breather valve with air filtration performance according to claim 3, it is characterized in that: on the pedestal (31)
Several through-holes (311) are offered, the mounting base for being supported to micro-valve piece (341) is provided at the through-hole (311)
(312), the mounting base (312) is arranged in a one-to-one correspondence with the micro-valve piece (341).
5. a kind of breather valve with air filtration performance according to claim 3, it is characterized in that: the micro-valve piece
It (341) is polygon, circle, peltate and rectangle or irregular figure any one or more composite figure therein.
6. a kind of breather valve with air filtration performance according to claim 4, it is characterized in that: the mounting base
(312) interior level is fixedly connected with several support rods (3121).
7. a kind of breather valve with air filtration performance according to claim 3, it is characterized in that: the valve deck (32) leans on
The one side of the nearly pedestal (31) is fixedly connected with and the one-to-one limit plate (325) of the micro-valve piece (341).
8. a kind of breather valve with air filtration performance according to claim 1, it is characterized in that: on the valve deck (32)
Several gas outlets (321) are offered, are connected between the gas outlet (321) and the cavity (33)；The valve deck (32)
One side far from filtering valve block (34) is fixedly connected with the first fin (323), and first fin (323) is provided with one
Right, two first fins (323) are parallel to each other and are located at the two sides that valve deck (32) are located remotely from each other, and the gas outlet (321) is provided with
The two sides of first fin (323).
9. a kind of breather valve with air filtration performance according to claim 8, it is characterized in that: first fin
(323) it one end and is provided with the second fin (324) between two first fins (323), second fin (324) is in
" V " shape, the gas outlet (321) are provided on the lateral wall of second fin (324)；First fin (323) and institute
State formation split channel (35) between the second fin (324).
10. a kind of mask including mask body (1), is fixedly connected on the ear band (2) at mask body (1) both ends and such as right
It is required that the described in any item breather valves of 1-9 (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821790316.5U CN209333048U (en) | 2018-10-31 | 2018-10-31 | A kind of breather valve and its applied mask with air filtration performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821790316.5U CN209333048U (en) | 2018-10-31 | 2018-10-31 | A kind of breather valve and its applied mask with air filtration performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209333048U true CN209333048U (en) | 2019-09-03 |
Family
ID=67747088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821790316.5U Active CN209333048U (en) | 2018-10-31 | 2018-10-31 | A kind of breather valve and its applied mask with air filtration performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209333048U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437530A (en) * | 2020-04-28 | 2020-07-24 | 江苏鼻豆科技有限公司 | Respiratory valve body structure of filter type mask for incoming and outgoing calls |
| CN111494819A (en) * | 2020-04-22 | 2020-08-07 | 杭州象外环保科技有限公司 | Switchable mask with double valves |
-
2018
- 2018-10-31 CN CN201821790316.5U patent/CN209333048U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111494819A (en) * | 2020-04-22 | 2020-08-07 | 杭州象外环保科技有限公司 | Switchable mask with double valves |
| CN111437530A (en) * | 2020-04-28 | 2020-07-24 | 江苏鼻豆科技有限公司 | Respiratory valve body structure of filter type mask for incoming and outgoing calls |
| CN111437530B (en) * | 2020-04-28 | 2024-05-14 | 江苏鼻豆科技有限公司 | Breathe into breathing valve body structure of exhalant branch filter formula gauze mask |
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