CN105476114B - 3 D stereo low pressure folding mouth mask - Google Patents
3 D stereo low pressure folding mouth mask Download PDFInfo
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- CN105476114B CN105476114B CN201410825423.7A CN201410825423A CN105476114B CN 105476114 B CN105476114 B CN 105476114B CN 201410825423 A CN201410825423 A CN 201410825423A CN 105476114 B CN105476114 B CN 105476114B
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Abstract
The invention discloses a kind of 3 D stereo low pressure folding mouth masks, including at least one layer of filter, fixing belt is connected on filter, it is characterized in that filter is equipped at least, " it " font is once folded together, intersects with primary folding and is equipped at least " it " font secondary folding together, surrounding bonding after filter folds；Folding position is pulled outwardly when use, a cavity can be formed before mouth and nose, it is stretchable due to being once folded in length on its doubling direction, therefore the cavity depth obtained is larger, edge is steep, and the filter after pulling open largely has fold, therefore the space increasing between filter and face is limited, only have filter peripheral adhesive position to contact when use with face, filter filtering surface and face contact area are small, there is no constriction to wear comfortable, reduce the influence that respiratory air flow impacts filter, filtering efficiency balance plays filter everywhere, microparticle caused by reducing filter partial pressure differential greatly is through probability.
Description
Technical field
The present invention relates to a kind of masks, more particularly to a kind of 3 D stereo low pressure folding mouth mask.
Background technique
Each neck lived already throughout us with the raising that people's hygiene and health are realized, mask as a kind of protection tool
Domain, such as medical treatment, chemical industry, Furniture manufacture industry, today that environmental pollution is caused in process of industrialization, we had to band
Mask trip is played, to avoid haze injury, the main function for making a general survey of these masks is exactly isolation filtering microparticle and virus, is avoided
Microparticle and virus are directly sucked in lung and cause negative effect to health of human body.Existing mask is many kinds of, it is most common still with
Based on chip and folding mouth mask, chip mask is stacked by the tiling of several layers filter disc and is constituted, and folding mask is in chip filter
On set the folding of multiple tracks level, when wearing, is pulled open up and down, due in the length and filter on each road fold flat direction
The horizontal length of lower edge is equal, and folded length is non-adjustable, thus be limited pull open after can not obtain biggish depth space, two
The area of person's filter is all smaller, since the small filter inner face of depth space and face also have localized contact when wearing, into one
Step reduces filter effective filtration area；The extensible degree of filter is small when wearing there are also both masks, and mouth and nose are away from filter
Face is closer, causes filter to be higher than against the pressure difference inside and outside nose and mouth far from nose and mouth, the imbalance of pressure distribution makes
Air flow rate and dust accumulation amount are also different everywhere for filter, its filtering efficiency of performance cannot be balanced by causing filter everywhere, and high pressure
Difference, high flow capacity, face mouth and nose position at high dust accumulation, considerably increase against microparticle on the filter of nose and mouth in high-speed flow
Drive it is lower penetrate probability, there are also filters, and air-flow is big to filter impact force when closely making breathing away from mouth and nose, and vibration deforms
The probability that will increase microparticle transmission, filter can be closer to nostril, naris position inside and outside differential pressure under suction when air-breathing
It is higher；Both masks implement microparticle isolation will finally be implemented by filter, and performance is also mainly reflected in filtering
It is also to work as needs by realizing to the transformation of filter mostly to improve strainability at present on the isolation effect of piece
When some small particles are isolated, conventional method be by the size reduction of filter disc micropore, but its there is also disadvantages, when micropore contracts
Not only air-flow has some setbacks and has the feeling felt suffocated when very little, and is unfavorable for reducing the pressure difference inside and outside filter, due to total
Breathing area reduces the air-flow velocity at micropore and increases, the smaller microparticle being adhered on filter disc under the drive of high-speed flow
Micropore can also be passed through and enter respiratory tract, what is especially showed on the lesser filter of area is even more to protrude；These problems still need
It is subject in technological improvement perfect.A kind of nose cup is disclosed closest to prior art patent document (publication number CN103857442A),
The nose cup is equipped with the transverse fold 110 and vertical fold 120 intersected, and expansion can wear in nose offer 3d space, use
The drawing lower cover quadrangle of wearing 20 will be attached to cheek, and the position filtration is low, and there are also the drawing sides due to wearing band 20
To essentially identical with transverse fold direction, transverse fold end tends to be closed after stress, influences opening amplitude, and it is effective to influence filtering
Area.
Summary of the invention
A kind of filter filter area is big and the lesser mask of pressure difference everywhere in order to provide, and the present invention provides a kind of three-dimensionals
Three-dimensional low pressure folding mouth mask.
The technical solution adopted by the present invention are as follows: a kind of 3 D stereo low pressure folding mouth mask, including at least one layer of filter, mistake
Fixing belt is connected on filter disc, it is characterised in that filter is equipped at least one of " it " font and once folds, and folds with primary
Intersect and be equipped at least one of " it " font secondary folding, surrounding bonds after filter folds.
Further, the secondary folding is vertical even number road, and even number road secondary folding is equally divided into two groups, and two groups secondary
Folding is located at the vertical middle line two sides of filter, and two groups of secondary foldings are distributed by axis bilateral symmetry of the vertical middle line of filter,
Secondary folding, the secondary folding on right side in left side are parallel with the vertical middle line of filter.
Further, the secondary folding is vertical even number road, and even number road secondary folding is equally divided into two groups, and two groups secondary
Folding is located at the vertical middle line two sides of filter, and two groups of secondary foldings are distributed by axis bilateral symmetry of the vertical middle line of filter,
It is distributed between left side secondary folding and right side secondary folding in " eight " shape.
Further, the secondary folding is vertical at least four even number road, and even number road secondary folding is equally divided into two
Group, two groups of secondary foldings are located at the vertical middle line two sides of filter, and two groups of secondary foldings are using the vertical middle line of filter as an axis left side
It is right symmetrical, it is distributed between the adjacent secondary folding in two sides in " eight " shape.
Further, the primary folding, secondary folding are tilted as benchmark line using the vertical middle line of filter arrange respectively, and
Primary folding, secondary folding are identical as filter the be in angle of vertical middle line.
Further, one end width at the folding position of the secondary folding is greater than other end width.
Further, the filter is two layers or more, is once folded simultaneously after each layer filter overlapping, then carry out
Secondary folding.
Further, the filter is two layers or more, filter be divided into two it is folded more than lamination, each lamination carries out respectively
It overlaps after primary folding, then carries out secondary folding simultaneously.
Further, the filter is two layers or more, filter be divided into two it is folded more than lamination, each lamination carries out respectively
It is primary to fold and overlap again after secondary folding.
Further, on the inside of the filter nose and mouth be equipped with air-flow baffle, air-flow baffle and filter inner face there are
Gap, air-flow baffle one or both sides are connected with filter side.
Further, it is equipped with drawing support chip on the inside of the filter, the drawing support chip is by left section and right section two
Section is constituted, and left section of left side is fixed on the left of filter, and left section of right end is provided with the via hole coincideing with right section of width, and right section is placed in via hole
Interior, right section of right side is fixed on the right side of filter, and right section of left end is equipped with the limit plush copper for being wider than via hole, and right section is closed on limit plush copper and set
There is the spine wing that can be engaged with via hole.
Further, the filter is on the basis of primary folding, secondary folding, equipped with folding more than three times, often
Secondary folding will at least be folded with last time intersect, be folded in mask edge for each time and bond.
The present invention is arranged that intersect primary folds and secondary folding, when use are pulled outwardly folding position on mask filter
It sets, a cavity can be formed before mouth and nose, cavity depth stretchable due to being once folded in length on its doubling direction, therefore obtaining
It is larger, edge is steep, and the filter after pulling open largely has fold, therefore the space between filter and face increases limited, makes
Used time only has filter peripheral adhesive position to contact with face, and filter filtering surface and face contact area are small, does not oppress
Band of arousing admiration is comfortable, increases distance of the mouth and nose away from filter inner face, reduces the influence that respiratory air flow impacts filter, with breathing
Air-flow deformation is small, is drawn at nostril when will not be by air-breathing, makes each position inside and outside differential pressure relative equilibrium of filter, make filter everywhere
Filtering efficiency balance plays, and microparticle caused by reducing filter partial pressure differential greatly can be increased through probability, the stereochemical structure
The effective filtration area of filter, the pressure difference of filter micropore two sides when reducing breathing, air-flow velocity is low at micropore, subtracts significantly
The small smaller microparticle being adhered on filter disc passes through the probability of micropore, and the reduction of the pressure difference of filter micropore two sides may be used also
With the deformation of filter when effective reduction breathing, gas exchange inside and outside filter, improves inner cavity when breathing from youngster's increase
Oxygen concentration, the configuration of the present invention is simple is easy to process, and significant effect is suitable for popularization and application.Primary fold stretches with secondary folding
It opens, fold gap is diagonally extended to the over filter disc quadrangle, and the area that corner location is attached to cheek reduces, and air-flow can be along fold stream
Quadrangle is led to, the filtration at the position is improved, folding direction and fixed belt retraction direction are in a certain angle, fold fold end
It is not easy to be closed, opens amplitude stabilization, filtering effective area is big.
Detailed description of the invention
Fig. 1 is one structural schematic diagram of the embodiment of the present invention.
Fig. 2 is two structural schematic diagram of the embodiment of the present invention.
Fig. 3 is three structural schematic diagram of the embodiment of the present invention.
Fig. 4 is four structural schematic diagram of the embodiment of the present invention.
Fig. 5 is five structural schematic diagram of the embodiment of the present invention.
Fig. 6 is six structural schematic diagram of the embodiment of the present invention.
Fig. 7 is seven structural schematic diagram of the embodiment of the present invention.
Fig. 8 is the drawing support piece structure schematic diagram of the embodiment of the present invention eight.
Fig. 9 is the vertically middle line schematic cross-sectional view of the embodiment of the present invention nine.
Figure 10 is filter of the present invention dislocation " it " word foldable structure schematic diagram.
Figure 11 is that filter of the present invention is superimposed " it " word foldable structure schematic diagram.
Figure 12 is positive and negative " it " the word foldable structure schematic diagram of filter of the present invention.
Figure 13 is ten structural schematic diagram of the embodiment of the present invention.
Figure label title: 1 filter；2 primary foldings；3 secondary foldings；4 fixing belts；5 left sections；6 right sections；7 via holes；8
Limit plush copper；9 spine wings；10 air-flow baffles；11 fold three times.
Specific embodiment
The embodiment of the present invention one is as shown in Figure 1, the 3 D stereo low pressure folding mouth mask is equipped with one layer of filter 1, filter
On set " it " font together and once fold 2, intersects with primary folding and is equipped with " it " font secondary folding 3 together, filter folding
Surrounding bonds afterwards, is connected with fixing belt 4 on filter, primary to fold with secondary folding using perpendicular " ten " the word cross knot of a cross one
Structure, when use, is pulled outwardly middle part folding position, can form a cavity before mouth and nose, and the filter after pulling open largely still has
Fold, therefore the space increasing between filter and face is limited, advantageously forms air-flow benign cycle, and fold can also make to filter
Piece cavity structure is stablized to reduce to be deformed with respiratory air flow, and when use only has filter peripheral adhesive position to contact with face, filtering
Piece and the small wearing of face contact area are comfortable, and only filter peripheral adhesive position is contacted with face, increases mouth and nose away from mistake
The distance of filter disc inner face reduces influence impact to filter of respiratory air flow, small with respiratory air flow deformation, inhales when will not be by air-breathing
To at nostril, make each position inside and outside differential pressure relative equilibrium of filter, making filter, filtering efficiency balance plays everywhere, reduces
Filter disc partial pressure differential microparticle caused greatly penetrates probability, which can increase the effective filtration area of filter, reduce
The pressure difference of filter micropore two sides when breathing, air-flow velocity is low at micropore, substantially reduce be adhered to it is smaller on filter disc
Microparticle passes through the probability of micropore, and the increasing of effective area can also extend the use time of filter；And filter micropore two
The deformation of filter when the reduction of the pressure difference of side can also effectively reduce breathing, gas inside and outside filter when being breathed from youngster's increase
Exchange capacity improves the oxygen concentration of inner cavity.
The embodiment of the present invention two as shown in Fig. 2, the 3 D stereo low pressure folding mouth mask and embodiment one the difference is that
Primary fold uses "×" type intersection construction with secondary folding, once folds, secondary folding and the vertical middle line of filter are in folder
Angle is identical, the same beneficial effect with embodiment one, and left and right is more symmetrical.
Primary folding in the embodiment of the present invention one, two, secondary folding are that together, filter is one layer, are only for this
A kind of form of expression of invention, once folds when specific implementation and/or the road number of secondary folding can be greater than together as needed
It is arranged respectively, such as twice or three or even more multiple tracks, keeps the space more regular structure of bigger shape of expansion more stable；Filter
It can be needed to be set as multilayer according to filtering, such as two layers or three layers or even more layers.
The embodiment of the present invention three as shown in figure 3, the 3 D stereo low pressure folding mouth mask secondary folding be vertical four, be divided into
Two groups of left side twice, one group of one group of twice of the right, two groups of secondary foldings are located at the vertical middle line two sides of filter, and two groups secondary
Folding using the vertical middle line of filter is axis bilateral symmetry distribution, and the secondary folding in left side, the secondary folding on right side are and filter
Vertical middle line is parallel, is once folded into lateral three, filter is three layers, and three layer filtration slice weight poststack is once rolled over simultaneously
It is folded, then carry out secondary folding, when use pull open outward it is primary fold and secondary folding among position, obtain bigger space, into
The effective filtration area of one step increase filter；When specific implementation the road number of secondary folding can also be other even number roads, as twice,
Six or even more even number roads, be divided into two groups and be symmetrically distributed in the vertical middle line two sides of filter, each road secondary folding with
The vertical middle line of filter is parallel；The road number of secondary folding can also be the odd number trace not less than 3, wherein it is perpendicular to be distributed in filter together
To the midline, other are still divided into two groups and are symmetrically distributed in the vertical middle line two sides of filter.
The embodiment of the present invention four as shown in figure 4, the 3 D stereo low pressure folding mouth mask be once folded into laterally four, it is secondary
Vertical six are folded into, using positive and negative " it " word foldable structure.
The embodiment of the present invention five as shown in figure 5, the 3 D stereo low pressure folding mouth mask secondary folding be vertical six, be divided into
Two groups, the left side it is parallel three be one group, the right it is parallel three be one group, it is vertical that two groups of secondary foldings are located at filter
Middle line two sides, two groups of secondary foldings are distributed by axis bilateral symmetry of the vertical middle line of filter, and left side secondary folding and right side are secondary
It is distributed between folding in " eight " shape, is once folded into lateral four, filter is four layers, is carried out simultaneously after four layers of filters overlapping
It is primary to fold, then carry out secondary folding.Position among primary folding and secondary folding is pulled open when use, obtains bigger space,
The effective filtration area of filter is further increased, " eight " shape distributed architecture keeps the filter stereochemical structure pulled open more steady simultaneously
Fixed, the also changeable trend once folded of " eight " shape distributed architecture makes whole solid space more suitable for the shape of face of people；Together
The road number of secondary folding can be also other even number roads when sample embodiment is embodied, such as twice, four or even more even number roads,
It is divided into two groups and is symmetrically distributed in the vertical middle line two sides of filter in " eight " shape；The road number of secondary folding can also for not less than
3 odd number trace, wherein being distributed in the vertical middle line of filter together, other are still divided into two groups and are symmetrically distributed in filtering in " eight " shape
The vertical middle line two sides of piece.
The embodiment of the present invention six as shown in fig. 6, the 3 D stereo low pressure folding mouth mask and example IV the difference is that
In two groups of secondary foldings that " eight " shape is distributed, arrange between the adjacent secondary folding in every group in " eight " shape, it can be further
The trend once folded is adjusted, the space and concrete shape after filter is unfolded are more suitable for the shape of face of people.
The embodiment of the present invention seven as shown in fig. 7, the 3 D stereo low pressure folding mouth mask once fold, secondary folding respectively with
The vertical middle line of filter is that benchmark line tilts arrangement, and primary folding, secondary folding and the be in angle phase of the vertical middle line of filter
Together, primary folding, secondary folding Ge You tri-, space is bigger after expansion, and effective filtration area is bigger.
The embodiment of the present invention eight is as shown in figure 8, the 3 D stereo low pressure folding mouth mask filter is passing through the secondary of intersection
After folding, drawing support chip is equipped on the inside of filter, which is made of left section 5 and right section 6 two sections, a left section of left side
Side is fixed on the left of filter, and left section of right end is provided with the via hole 7 coincideing with right section of width, and right section is placed in via hole, right section of right side
Be fixed on the right side of filter, right section of left end is equipped with the limit plush copper 8 for being wider than via hole, right section close on that limit plush copper is equipped with can be with via hole
The spine wing 9 of engaging, mask right section of left end portion and left section of overlapping when not used, right section of left end lamination portion is outside by via hole when use
Pull, spine wing engages with via hole and prevents extraction section from bouncing back after pull to limit plush copper, and two sections of support chips are elongated outside after engaging
Bent ridge supports the stereochemical structure of filter, makes to keep the relatively stable of structure when air-breathing, realizes sufficiently ventilation.
The embodiment of the present invention nine is as shown in figure 9, the 3 D stereo low pressure folding mouth mask filter is passing through the secondary of intersection
After folding, nose and mouth are equipped with air-flow baffle 10, air-flow baffle and filter inner face there are gap on the inside of filter, which keeps off
Piece is that hard material can possess centainly firm form, is connect with filter top edge, it is possible to prevente effectively from air-flow directly impacted
Filter disc.Air-flow baffle can use gas permeable material or gas impermeable material when implementation, such as hard plastic sheet or soft filter disc, air-flow baffle two
End can be respectively connected with the upper and lower side of filter, and air-flow baffle both ends can also be respectively connected with the left and right side of filter, be improved
Stability.
The embodiment of the present invention ten as shown in figure 13, the 3 D stereo low pressure folding mouth mask filter it is primary fold, it is secondary
On the basis of folding, equipped with folding 11 three times, folds at least to fold with last time every time and intersect, i.e., secondary folding will be with primary folding
Fork is overlapped, folding will intersect three times with secondary folding, and the present embodiment, which folds also to have with primary folding three times, to intersect, and one, two, three
Secondary folding surrounds a triangle, is folded in the bonding of mask edge each time, is unfolded that bigger effective filtering can be obtained
Area and more three-dimensional folds.One, folding three times can not also intersect when the present embodiment is implemented, one, two, three folding
It can be twice nestable annular formed above, the present embodiment has only carried out folding three times, in order to obtain bigger effective filtering surface
The solid space of product or more can also carry out four foldings on the basis of folding three times, or even more more than five times
Folding, each folding mentioned here will at least be folded with last time intersect, and folding can fold for each time to be one or multi-channel every time
It is bonded in mask edge.
Filter is two layers or more when the present invention is implemented, can each layer filtering slice weight when carrying out primary folding and secondary folding
Poststack is once folded simultaneously, then carries out secondary folding；Filter can also be divided into two it is folded more than lamination, each lamination difference
Overlap after once folding, then carries out secondary folding simultaneously；Filter can be also divided into two it is folded more than lamination, respectively
Lamination is carried out once folding respectively and be overlaped again after secondary folding；Each lamination can be by one or more layers filter
It constitutes.It first folds in the lamination being overlapped again, interior stack fold area is smaller than outer stack fold area.
The folding position of the above-mentioned secondary folding of the present invention is wide, one end width at the folding position of secondary folding when implementation
Other end width, the adjustable trend once folded can be greater than, space and concrete shape after filter is unfolded are more suitable for
The shape of face of people.
When once folding or secondary folding are greater than the arrangement of continuous twice when the present invention is implemented, dislocation is can be used in foldable structure
" it " word folds, and adjacent folds lamination station as shown in Figure 10 is staggered, and embodiment one to three is exactly this structure, through non-crossing
The primary folding in place or secondary folding are no more than three and fold, and integral thickness is more uniform；The folding of superposition " it " word can also be used, such as scheme
Adjacent folds lamination station shown in 11 have overlapping, through non-crossing place once folds or secondary folding thickness at be more than three fold, open up
It is big to open area；Positive and negative " it " word also can be used to fold, adjacent folds a positive and a negative as shown in figure 12, example IV is exactly this knot
Structure, symmetry can make by force shape after expansion more regular；Specific foldable structure can need to select according to different, need developed area big
When can be used superposition " it " word folding, need to can be used other two kinds foldings when developed area is general.
Air-flow baffle can also be for laterally, both ends be connect with filter or so side, when air-flow baffle is tough when the present invention is implemented
One end is connect with filter side when property material piece such as plastic sheet；One-way breather valve can be also set on filter, improved
Respiratory ventilation efficiency；Support chip can also be provided in the interlayer between adjacent filter sheets, concealed anti-scraping collision；Support chip can have gas
Hole reduces airflow-resistive；It is distinguished and admirable that air-flow baffle can be equipped with aperture；Two groups of secondary foldings in the distribution of " eight " shape, can also
In " eight " shape distribution；When every group of secondary folding is greater than three, in continuous between the adjacent secondary folding in every group
The arrangement of " eight " shape can also be continuously " eight " shape arrangement, can also arrange for eight " shape positively and invertedly, for realizing difference
The adjustment of planform.
The solid space being more preferably adapted in order to obtain with shape of face, it is of the present invention it is primary each fold and it is secondary it is each fold it is every
Different folding breadth can be used in secondary folding, other also can be used except above-mentioned three kinds of zigzag folds in the size needed
Method for folding such as rectangular-ambulatory-plane jackknife method.
There is the two-piece type filtering chip architecture mask of a kind of overlapping to link together in the market, this mask can be along two panels mistake
Filter disc connecting portion doubling storage, when use, can pull open into a three-dimensional bowl-shape wearing, primary folding of the present invention, secondary folding
It is not only used on the chip filter in above-described embodiment, is equally applicable on this bowl-shape filter, further
Filter area when using is increased, it is multiple to pile up a bowl formula storage packaging, it can also single doubling storage.It is equally useful for filter
Greater than the multiple-piece construction mask of two panels, for further increasing filter area.Since above-mentioned multiple-piece construction mask original has had
There is a solid space, can be folded only with primary, vertical or horizontal structure can be used in primary fold, and increases filter area.
Strip support can be set when implementation on filter, which can be the support bar being adhered on filter,
It can be solid-state adhesive tape, can also be filter by thermmohardening item, be used to support the stabilization for keeping mask form, on same filter
Mesh-supported be may also set up for keeping stable structure；It is Chong Die with filter to be also equipped with the guarantor's type net for keeping shape, such as nonwoven
Cloth, metal mesh, plastic wire etc., filter can also directly adopt this non-woven fabrics or melt spraying non-woven fabrics with guarantor's type function.
The carbon filtering material, electro static filtering material, chemical filtering material of high adsorption can be used in filter when the present invention is implemented
Detachable structure can be used in material or melt-blown filter materials, filter, connect with mask surrounding frame, it is softer that quality can be used in frame
Colloidal materials, frame can also can also be with the preferable modeling of toughness elasticity using the preferable plastic material of toughness elasticity, frame
Material material is that keel surface is coated with the softer colloidal materials of quality, and connection can be used press strip and filter is pressed into frame card slot
The connection type of clamping plate type frame clamping filter can also be used in connection type, connection, and connection, which also can be used, connects ontology two
On the connection type of concave-convex buckle sealing is respectively set, bumps buckle can be plastics or colloidal materials, and frame can be used for a long time, only
Filter is replaced, disposable filtering piece is not only suitable for, reused filter is also facilitated to be replaced and cleaned, avoids providing
Source waste, it is economic and environment-friendly.
It is once folded when the present invention is implemented and the folding width of each road of secondary folding folding can be different, the shape after making expansion
Shape maintains gap more suitable for shape of face with face, and gap is not too big.If middle part folds width a bit, two sides are narrow by one
Point, keeps nose space larger and surrounding and face maintain small gap, and filter area is also big and inner space volume is smaller
Conducive to respiratory ventilation.
The configuration of the present invention is simple, easy to process, significant effect is suitable for popularization and application, and will be mask industry bring skill
Art revolution.
It is in summary only present pre-ferred embodiments, all equivalent modifications done according to the application and prior art addition are equal
It is considered as the utility model technology scope；The present invention is according to specific needs implemented above-mentioned technical tie-up.
Claims (6)
1. a kind of 3 D stereo low pressure folding mouth mask, including at least one layer of filter, fixing belt, feature are connected on filter
It is that filter is equipped at least that " it " font once folds together, intersects with primary folding equipped at least " it " font two together
Secondary folding once folds and uses "×" type intersection construction, primary folding, secondary folding and the vertical middle line of filter with secondary folding
Be in angle is identical, folding position together and one diagonal line overlap of filter in secondary folding, in mouth after filter folding
Cover edge bonding.
2. 3 D stereo low pressure folding mouth mask according to claim 1, it is characterised in that the filter is two layers or more,
It is once folded simultaneously after each layer filter overlapping, then carries out secondary folding.
3. 3 D stereo low pressure folding mouth mask according to claim 1, it is characterised in that the filter is two layers or more,
Filter be divided into two it is folded more than lamination, each lamination overlaps after once being folded respectively, then carries out secondary folding simultaneously
It is folded.
4. 3 D stereo low pressure folding mouth mask according to claim 1, it is characterised in that the filter is two layers or more,
Filter be divided into two it is folded more than lamination, each lamination carries out once folding respectively and secondary folding after overlap again.
5. 3 D stereo low pressure folding mouth mask according to any one of claims 1 to 4, it is characterised in that on the inside of the filter
Nose and mouth are equipped with air-flow baffle, and there are gap, air-flow baffle one or both sides and filters with filter inner face for air-flow baffle
Side is connected.
6. 3 D stereo low pressure folding mouth mask according to any one of claims 1 to 4, it is characterised in that on the inside of the filter
Equipped with drawing support chip, which is constituted by left section and right section two sections, and left section of left side is fixed on the left of filter,
Left section of right end is provided with the via hole coincideing with right section of width, and right section is placed in via hole, and right section of right side is fixed on the right side of filter, and right section
Left end is equipped with the limit plush copper for being wider than via hole, and right section is closed on limit plush copper and be equipped with the spine wing that can be engaged with via hole.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410825423.7A CN105476114B (en) | 2014-12-28 | 2014-12-28 | 3 D stereo low pressure folding mouth mask |
| CN201811437600.9A CN109222282B (en) | 2014-12-28 | 2014-12-28 | Mask |
| CN201811437599.XA CN109222281B (en) | 2014-12-28 | 2014-12-28 | Folding mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410825423.7A CN105476114B (en) | 2014-12-28 | 2014-12-28 | 3 D stereo low pressure folding mouth mask |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811437599.XA Division CN109222281B (en) | 2014-12-28 | 2014-12-28 | Folding mask |
| CN201811437600.9A Division CN109222282B (en) | 2014-12-28 | 2014-12-28 | Mask |
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| Publication Number | Publication Date |
|---|---|
| CN105476114A CN105476114A (en) | 2016-04-13 |
| CN105476114B true CN105476114B (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811437600.9A Active CN109222282B (en) | 2014-12-28 | 2014-12-28 | Mask |
| CN201410825423.7A Active CN105476114B (en) | 2014-12-28 | 2014-12-28 | 3 D stereo low pressure folding mouth mask |
| CN201811437599.XA Active CN109222281B (en) | 2014-12-28 | 2014-12-28 | Folding mask |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811437600.9A Active CN109222282B (en) | 2014-12-28 | 2014-12-28 | Mask |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811437599.XA Active CN109222281B (en) | 2014-12-28 | 2014-12-28 | Folding mask |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107048535A (en) * | 2017-04-16 | 2017-08-18 | 洪艳 | Rapid-curing cutback mouth mask |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105476114A (en) | 2016-04-13 |
| CN109222281B (en) | 2020-12-15 |
| CN109222282B (en) | 2021-01-15 |
| CN109222282A (en) | 2019-01-18 |
| CN109222281A (en) | 2019-01-18 |
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