CN203801794U - Dustproof mask - Google Patents
Dustproof mask Download PDFInfo
- Publication number
- CN203801794U CN203801794U CN201420206233.2U CN201420206233U CN203801794U CN 203801794 U CN203801794 U CN 203801794U CN 201420206233 U CN201420206233 U CN 201420206233U CN 203801794 U CN203801794 U CN 203801794U
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- CN
- China
- Prior art keywords
- dust
- district
- knoisphere
- gauze
- filter knoisphere
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a dustproof mask. The dustproof mask comprises at least two dust filtration layers, a dustproof ring and fixing bands, wherein the dustproof ring is fixed to the dust filtration layers and faces the face, and the fixing bands are arranged on the two sides of the dust filtration layers. The dustproof ring is made of soft materials and comprises a ring body and a partition part which is arranged in the ring body and connected with the ring body. A nose-shaped area corresponding to a nose region and a mouth-shaped area corresponding to a mouth region are formed inside the ring body, the partition part is arranged between the nose-shaped area and the mouth-shaped area, and the nose-shaped area and the mouth-shaped area are respectively containing space which is sunken inwards. The dustproof mask has the high filtration efficiency, good in permeability, small in respiratory resistance, comfortable in wear, easy to clean, low in manufacturing cost, and capable of meeting the requirements of low-income groups.
Description
Technical field
The utility model, about a kind of mouth mask, refers to a kind of anti-dust respirator that has good dust-proof effect and have good permeability especially.
Background technology
As everyone knows, mouth mask is a kind of the most basic sanitary apparatus that prevents dust and droplet infection, therefore having such as construction site, plant building etc. in the more environment of dust, or in the atmosphere of the harmful substances such as haze weather, must wear mouth mask to prevent respiratory tract infection.
At present, the mouth mask adopting in known technology, no matter be in order to protect self or to protect the other side, major part adopts the mask main body of covering mouth and nose and is furnished with fixing using in main body both sides and restricts or hook, in the version of ear or head elasticity support.That is, known Respirator structure is to be provided with overcoat in the interlayer forming at two or more cloth materials mostly, and cloth material both sides are separately provided with elastic cord and wear for user.Entirety mouth mask utilizes cloth material and overcoat to block dust, and the mouth mask disadvantage using is at present that air major part is directly entered by mouth mask edge and face joint place, does not play a role in filtering.Due to cloth material and overcoat not high to the filter efficiency of dust, for improving the filterability of dust, tend to increase the number of plies of cloth material and overcoat, therefore make mouth mask become thicker, because mouth mask directly hides mouth and nose or is close to face, wear the used time and can cause expiratory dyspnea or inconvenient.In addition, the cup-shaped face shield using at present, although it need not be close to mouth and nose, but because its edge shape is fixed, for avoiding the joint place gas leakage with face, this cup-shaped face shield need to tightly be fitted with face, while wearing, can not feel well, and its cost of manufacture is higher, more expensive for low-income groups.
Utility model content
In view of this, main purpose of the present utility model is to provide the anti-dust respirator that a kind of filter efficiency is high and respiratory resistance is little.
For achieving the above object, the utility model provides a kind of anti-dust respirator, it includes at least two metafiltration knoispheres, is fixed on filter knoisphere and the fixed band of facing the dust ring of face and being located at filter knoisphere both sides, this dust ring is soft materials, this dust ring includes the barrier portion that is connected in circle portion body in circle portion body and circle portion body, this circle portion body interior is formed with the degree of lip-rounding district of corresponding nasal region Bi Xing district and corresponding mouth area, between Gai Bixing district and degree of lip-rounding district, be this barrier portion, the accommodation space that Gai Bixing district and this degree of lip-rounding district are inner recess.
Described filter knoisphere is provided with one deck gauze, and described dust ring is between this gauze and filter knoisphere, and this gauze edge is sewed up with filter knoisphere edge.
Corresponding bridge of the nose place, described dust ring top is to lower recess.
Described barrier portion middle part is provided with opening, and this opening part is positioned at nasal septum below.The edge of described filter knoisphere forms pinches pleat, in four angles of described filter knoisphere, shrinks.
Described gauze area is greater than described filter knoisphere area, reserved more than needed being partially filled to the accommodation space in described Bi Xing district and degree of lip-rounding district in the middle of described gauze.
Described dust ring is sponge.
The cross section of described circle portion body is triangle, wherein sticks to described filter knoisphere on one side.
On described filter knoisphere, just oro-nasal region place is separately provided with to one deck gauze.
Described filter knoisphere is dustproof filter pulp, nonwoven, gauze or NACF felt pan.
Anti-dust respirator of the present utility model has higher filter efficiency, and its permeability is good, and respiratory resistance is little, and wears comfortablely, and its cost of manufacture is low, can meet the demand of low-income groups.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model anti-dust respirator;
Fig. 2 is the structural representation of another embodiment of the dust ring in the utility model;
Fig. 3 is the structural representation of another embodiment of the utility model anti-dust respirator;
Fig. 4 is that the utility model anti-dust respirator uses view.
Detailed description of the invention
For ease of structure of the present utility model and the effect that reaches are had to further understanding, the existing preferred embodiment that develops simultaneously is by reference to the accompanying drawings described in detail as follows.
As shown in Figure 1, anti-dust respirator of the present utility model includes at least two metafiltration knoispheres 1, is fixed on filter knoisphere 1 and faces the dust ring 2 of face and be located at the fixed band 3 of filter knoisphere 1 both sides, this dust ring 2 is soft materials, this dust ring 2 includes the barrier portion 21 that is connected in circle portion body 20 in circle portion body 20 and circle portion body 20, these circle portion body 20 inside are formed with the degree of lip-rounding district 23 of corresponding nasal region Bi Xing district 22 and corresponding mouth area, between Gai Bixing district 22 and degree of lip-rounding district 23, are barrier portion 21.As shown in Figure 4, in the time using anti-dust respirator of the present utility model, the bridge of the nose of nose top is close at dust ring 2 tops, side skin under lip is close in dust ring 2 bottoms, user face is close in dust ring 2 both sides, therefore user's nose is positioned at dust ring 2 Bi Xing districts 22, and mouth is positioned at the degree of lip-rounding district 23 of dust ring 2, and barrier portion 21 is just between nostril and upper lip.
As shown in Figure 4, in the time of breathe air, when gas directly enters 23Yu Bixing district 22 of degree of lip-rounding district by outside, can filter airborne harmful substance by filter knoisphere 1, in the time that air enters 23Yu Bixing district 22 of degree of lip-rounding district by mouth mask periphery via dust ring 2, except air being filtered by filter knoisphere 1, the circle portion body 20 of dust ring 2 also carries out secondary filter to air, make the further filtering of airborne harmful substance, in the time entering the air in degree of lip-rounding district 23 and suck nostril again, barrier portion 21 also can once filter air again, therefore anti-dust respirator air filter efficiency of the present utility model is high, the effectively harmful substance in filtered air.Because dust ring 2 is positioned at the central part of filtering knoisphere 1, and filter knoisphere 1 both sides extend outwards, the edge of outstanding dust ring 2 also covers dust ring 2 completely, therefore in the time wearing mouth mask, even if mouth mask edge and face can not fit completely, the air being entered by gap place still can be filtered by the circle portion body 20 of dust ring 2.Dust ring 2 in the utility model due to above filter knoisphere 1, therefore the accommodation space that dust ring 2 inner formation Bi Xing district 22 and degree of lip-rounding district 23 are inner recess, in the time wearing anti-dust respirator of the present utility model, nose and mouth lay respectively in the accommodation space in Bi Xing district 22 and degree of lip-rounding district 23, therefore can avoid directly blocking mouth and nose and labor for breath, anti-dust respirator permeability of the present utility model is good, and respiratory resistance is little.
As shown in Figure 2, for making dust ring 2 tops be close to bridge of the nose place according to people's facial curve, depression 200 is formed downwards on dust ring of the present utility model top, therefore can increase dust ring 2 and facial gluing, sealing, improves filter efficiency.In addition, in order to prevent in the time wearing mouth mask, barrier portion 21 protuberances stop up nostril and cause expiratory dyspnea, and barrier portion 21 middle parts can be provided with opening 210, and these opening 210 places are positioned at nasal septum below, therefore do not hinder the filtration of barrier portion 21 to air.
As shown in Figure 3, for avoiding dust ring 2 and the long-term CONTACT WITH FRICTION of skin not to feel well, anti-dust respirator of the present utility model is also provided with one deck gauze 4 on filter knoisphere 1, makes dust ring 2 between gauze 4 and filter knoisphere 1, and gauze 4 is sewed up with filter knoisphere 1 edge.Gauze 4 edges can form and pinch pleat 40 with the edge of filter knoisphere 1, so that shrink in four angles of filter knoisphere 1.To edge and the face of filtering knoisphere 1 are fitted tightly, gauze 4 areas can be greater than filter knoisphere 1 area simultaneously, so that in the time carrying out edge stitching, in the middle of gauze 4, reserved part more than needed can be filled in the accommodation space in Bi Xing district 22 and degree of lip-rounding district 23, breathes unimpeded when user wears mouth mask.
Dust ring 2 of the present utility model can be the soft materials such as sponge, the cross section of its centre circle portion body 20 can be triangle, wherein sticks to filter knoisphere 1 on one side, therefore the crest line of circle portion body 20 laminating face, make mouth mask edge and face there is better sealing, as shown in Figure 2.
As shown in Figure 4, in the time of breathe air, air-flow is mainly sucked by the location to mouth and nose just, for air-flow is evenly inhaled into, can on filter knoisphere 1, just add one deck gauze to oro-nasal region place, to increase the thickness of filter knoisphere 1 at mouth and nose place, air-flow can be evenly inhaled into by filter knoisphere 1 middle part and surrounding, to there is better filter effect.Filter knoisphere 1 in the utility model can be dustproof filter pulp, nonwoven, gauze or NACF felt pan.Fixed band 3 in the utility model can be the elastic cord after being fixed on ear or after brain.
Anti-dust respirator of the present utility model, the dust ring of its filter knoisphere, gauze and sponge is easier to clean, and can repeated multiple timesly use.
The above, be only preferred embodiment of the present utility model, is not intended to limit protection domain of the present utility model.
Claims (10)
1. an anti-dust respirator, it is characterized in that, it includes at least two metafiltration knoispheres, is fixed on filter knoisphere and the fixed band of facing the dust ring of face and being located at filter knoisphere both sides, this dust ring is soft materials, this dust ring includes the barrier portion that is connected in circle portion body in circle portion body and circle portion body, this circle portion body interior is formed with the degree of lip-rounding district of corresponding nasal region Bi Xing district and corresponding mouth area, between Gai Bixing district and degree of lip-rounding district, be this barrier portion, the accommodation space that Gai Bixing district and this degree of lip-rounding district are inner recess.
2. anti-dust respirator as claimed in claim 1, is characterized in that, described filter knoisphere is provided with one deck gauze, and described dust ring is between this gauze and filter knoisphere, and this gauze edge is sewed up with filter knoisphere edge.
3. anti-dust respirator as claimed in claim 1 or 2, is characterized in that, corresponding bridge of the nose place, described dust ring top is to lower recess.
4. anti-dust respirator as claimed in claim 1 or 2, is characterized in that, described barrier portion middle part is provided with opening, and this opening part is positioned at nasal septum below.
5. anti-dust respirator as claimed in claim 1 or 2, is characterized in that, the edge of described filter knoisphere forms pinches pleat, in four angles of described filter knoisphere, shrinks.
6. anti-dust respirator as claimed in claim 2, is characterized in that, described gauze area is greater than described filter knoisphere area, reserved more than needed being partially filled to the accommodation space in described Bi Xing district and degree of lip-rounding district in the middle of described gauze.
7. anti-dust respirator as claimed in claim 1 or 2, is characterized in that, described dust ring is sponge.
8. anti-dust respirator as claimed in claim 1 or 2, is characterized in that, the cross section of described circle portion body is triangle, wherein sticks to described filter knoisphere on one side.
9. anti-dust respirator as claimed in claim 1 or 2, is characterized in that, on described filter knoisphere, just oro-nasal region place is separately provided with to one deck gauze.
10. anti-dust respirator as claimed in claim 1 or 2, is characterized in that, described filter knoisphere is dustproof filter pulp, nonwoven, gauze or NACF felt pan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420206233.2U CN203801794U (en) | 2014-04-25 | 2014-04-25 | Dustproof mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420206233.2U CN203801794U (en) | 2014-04-25 | 2014-04-25 | Dustproof mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203801794U true CN203801794U (en) | 2014-09-03 |
Family
ID=51440616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420206233.2U Expired - Fee Related CN203801794U (en) | 2014-04-25 | 2014-04-25 | Dustproof mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203801794U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105394843A (en) * | 2015-12-25 | 2016-03-16 | 刘震 | Novel antibacterial medicinal mask |
| CN106579595A (en) * | 2016-08-18 | 2017-04-26 | 北京大自然海陆空科技发展有限公司 | Mask air purifier |
| CN108211157A (en) * | 2017-07-11 | 2018-06-29 | （株）喜途意成进 | A kind of seamless type mask and preparation method thereof |
| CN108783663A (en) * | 2018-08-17 | 2018-11-13 | 安吉峰源纺织有限公司 | A kind of mask |
| CN108851295A (en) * | 2018-09-03 | 2018-11-23 | 广州市疾病预防控制中心(广州市卫生检验中心) | The dedicated density circle of medical protective mask |
| JP2021102829A (en) * | 2019-12-25 | 2021-07-15 | 小林製薬株式会社 | mask |
-
2014
- 2014-04-25 CN CN201420206233.2U patent/CN203801794U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105394843A (en) * | 2015-12-25 | 2016-03-16 | 刘震 | Novel antibacterial medicinal mask |
| CN106579595A (en) * | 2016-08-18 | 2017-04-26 | 北京大自然海陆空科技发展有限公司 | Mask air purifier |
| CN108211157A (en) * | 2017-07-11 | 2018-06-29 | （株）喜途意成进 | A kind of seamless type mask and preparation method thereof |
| CN108783663A (en) * | 2018-08-17 | 2018-11-13 | 安吉峰源纺织有限公司 | A kind of mask |
| CN108851295A (en) * | 2018-09-03 | 2018-11-23 | 广州市疾病预防控制中心(广州市卫生检验中心) | The dedicated density circle of medical protective mask |
| JP2021102829A (en) * | 2019-12-25 | 2021-07-15 | 小林製薬株式会社 | mask |
| JP7514617B2 (en) | 2019-12-25 | 2024-07-11 | 小林製薬株式会社 | mask |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20170425 |