CN203243981U

CN203243981U - Mask

Info

Publication number: CN203243981U
Application number: CN 201320277958
Authority: CN
Inventors: 林诗诠; 李继亨
Original assignee: Individual
Current assignee: WEIFENG TECHNOLOGY Co Ltd
Priority date: 2013-05-21
Filing date: 2013-05-21
Publication date: 2013-10-23
Anticipated expiration: 2023-05-21

Abstract

The utility model relates to a mask which comprises one or a plurality of non-woven fabric outer layers and an isolation layer. The isolation layer is attached to one side of one non-woven fabric outer layer or is arranged among the non-woven fabric outer layers, and the isolation layer is formed by that fact that a thin film layer is sandwiched in two non-woven fabric inner layers. In addition, a plurality of continuous grooves are formed in the surface of the isolation layer, and the continuous grooves can enlarge the area for filtering dust. The mask can collect the dust without the needs for using static electricity, can be used in a long term and has no limitation in service life.

Description

Mouth mask

Technical field

The utility model relates to a kind of mouth mask, and referring to does not especially a kind ofly need electrostatic precipitation and can reach filtration efficiency, can use for a long time and not have the mouth mask of useful life.

Background technology

A few days ago, be subject to the report that Influenza epidemic situation infects, cause the demand of market mouth mask to increase, especially with the significant N95 mouth mask of being reported of present media, a difficulty is asked especially, and it has suitably tubercle bacillus in the protection air, effectively intercept the best product with the viral spittle, and emphasizing to verify the anti-dust respirator classer's description that passes through by America NI OSH, is to test with 0.075 μ sodium chloride particulate, and efficient reaches more than 95%.

And the N95 mouth mask mainly has filtration, the function such as adsorbs, kills, and wherein by material and the weaving mode of mouth mask, and adds the static filter mesh layer, in order to viruses adsorption at the mouth mask filter course; Use in addition titanium dioxide, photocatalyst one class to have the mouth mask material of sterilizing function, then can directly kill virus.

But the mouth mask of this class of N95 on the existing market is take nonwoven as material, and the material gas permeability is also good not, so the air amount amount can be not enough.Again because the air that the user breathes out contains carbon dioxide, steam, bacterium and a small amount of oxygen.The breathing that masks one's nose and mouth with a cloth, along with the number of times of breathing increases, carbon dioxide, steam, bacterium in the mouth mask are just more and more many.If the long period, wear the poor N95 mouth mask of gas permeability, on the contrary our respiratory system of health formed certain injury; In addition, because the function of electrostatic precipitation can be along with long-term use, static can fade away, filter efficiency is descended, and functional meeting is worse and worse, so the effective storage life of N95 mouth mask, the longest only can keeping 8 hours can't reuse, and this also is one of shortcoming of N95 mouth mask.

Therefore, if can form a kind of mouth mask that does not need electrostatic precipitation, can reach the filter effect more than 95% simultaneously, owing to can can't not use for a long time because static disappears, structure pressure reduction is less can not to cause the user to have difficulty in breathing because forming simultaneously, so should be best solution.

Summary of the invention

The utility model namely is to provide a kind of mouth mask, does not a kind ofly need electrostatic precipitation and can reach filtration efficiency and can for a long time comfortablely wear and use and the Respirator structure that does not have useful life.

For reaching above-mentioned purpose, the utility model provides a kind of mouth mask, comprising: several nonwoven are outer; At least one isolation layer is arranged between these several nonwoven skins, and this isolation layer is made by thin layer of two nonwoven internal layer sandwicheds, is nonplanar structure sheaf on this isolation layer surface wherein.

In particular, described thin layer adopts polytetrafluoroethylene (PTFE) (PTEE), poly-ly fluoridizes divinyl (PVDF), polypropylene (PP), poly-ly fluoridizes divinyl polyether sulfone (PES), polyurethane (PU) or meltblown material and make.

In particular, described nonplanar structure sheaf is wavy structure, continuous pleat trace structure, discontinuous pleat trace structure or laciniation.

In particular, can be in conjunction with a bandage on the lateral border of described mouth mask.

And except said structure, another mouth mask is arranged more, comprising: a nonwoven skin; An isolation layer is attached at the outer side of this nonwoven, and this isolation layer is made by thin layer of two nonwoven internal layer sandwicheds, is nonplanar structure sheaf on this isolation layer surface wherein.

In particular, described nonplanar structure sheaf is wavy structure, continuous folding line structure, discontinuous folding line structure or laciniation.

The beneficial effects of the utility model are: the utility model is by arranging thin layer, even so that not in conjunction with the stratum reticulare of classes such as static filter mesh layer as electrostatic precipitation, also can reach the filtration efficiency more than 99%, there is not in addition the problem that causes service efficiency to descend and can't use for a long time because static disappears yet, so there is not the problem of pot-life, and said structure is also so that the inside of mouth mask is less with outside pressure reduction, so can not cause the user to have dyspneic situation to occur.

Description of drawings

Figure 1A is the stereochemical structure decomposing schematic representation of the utility model the first embodiment.

The stereochemical structure of Figure 1B the utility model the first embodiment is in conjunction with schematic diagram.

The cross-section structure decomposing schematic representation of Fig. 2 the utility model the first embodiment.

The use schematic diagram of Fig. 3 the utility model the first embodiment.

The experimental data of Fig. 4 the utility model the first embodiment is schematic diagram relatively.

The cross-section structure decomposing schematic representation of Fig. 5 the utility model the second embodiment.

[main element symbol description]

(this creation)

1 mouth mask

11 nonwoven are outer

111 bellyings

12 isolation layers

121 nonwoven internal layers

122 thin layers

123 nonwoven internal layers

124 continuity grooves

13 nonwoven are outer

131 bellyings

14 bandages

2 users

3 mouth masks

31 nonwoven are outer

311 bellyings

312 lateral surfaces

32 isolation layers

321 nonwoven are outer

322 thin layers

323 nonwoven are outer

324 continuity grooves.

The specific embodiment

Relevant for the above-mentioned and other technology contents of the utility model, characteristics and effect, in the detailed description of the preferred embodiment of following cooperation accompanying drawing, can clearly present.

See also Figure 1A, Figure 1B and Fig. 2, stereochemical structure decomposing schematic representation for the utility model the first embodiment, the stereochemical structure of the first embodiment is in conjunction with the cross-section structure decomposing schematic representation of schematic diagram and the first embodiment, by among the figure as can be known, this mouth mask 1 has two

nonwoven skins

11,13, isolation layer 12(of sandwiched but be not limited only to can only two nonwoven skins, also can use several nonwoven outer, and isolation layer is located in wherein), wherein this isolation layer 12 is by two nonwoven internal layers 121,123 sandwicheds, one thin layer 122 is made, and when implementing to make, then be by the made film of polytetrafluoroethylmaterial material (PTFE) with one of sandwiched in the middle of two nonwoven, and with after its pressing or fitting, carry out again pleating processing, so these isolation layer 12 surfaces have a plurality of continuity grooves 124, with the surface on plane by comparison, these a plurality of continuity grooves 124 can increase the area that filters dust.

And this

nonwoven skin

11,13 are protruded with bellying 111 by mediad, 131, therefore work as isolation layer 12 and place two nonwoven skins 11, between 13 and after carrying out pressing formation mouth mask 1, this bellying 111,131 protrude the space that inwardly forms, more convenient user is covered in mouth mask 1 in the face, as shown in Figure 3, be combined with a bandage 14 on this mouth mask 1 lateral border, so user 2 can wear mouth mask 1 in head by this bandage 14, and the space that bellying 111,131 protrudes inwardly formation then can be in order to nose and the oral area that covers user 2.And above-mentioned bellying 111,131st belongs to wherein a kind of mouth mask type, but mouth mask of the present utility model also can be used in the mouth mask of other kinds.

In addition, the utility model has used three N95 mouth mask (the 8210 N95 mouth masks of 3M, N10SH N95 mouth mask, SAF-T-FIT N95 mouth mask) compares with the utility model, as shown in Figure 4, its air velocity is to be controlled in 85LPM, wherein the inside and outside differential pressure of this 8210 N95 mouth mask is 9.8mmH2O, and the inside and outside differential pressure of this N10SH N95 mouth mask is 17.32mmH2O, the inside and outside differential pressure of this SAF-T-FIT N95 mouth mask is 16.85mmH2O, but the measured next inside and outside differential pressure of mouth mask of the present utility model is 6.3mmH2O, hence one can see that, mouth mask of the present utility model and existing mouth mask by comparison, inside and outside differential pressure is less, so more can not cause the user to have difficulty in breathing.

And except the inside and outside differential pressure test, also carried out the filter efficiency test, wherein the filter efficiency of 8210 N95 mouth masks is 99.56%, and the filter efficiency of N10SH N95 mouth mask is 98.005%, and the filter efficiency of SAF-T-FIT N95 mouth mask is 97.085%, but the measured next filter efficiency of mouth mask of the present utility model then is 99.5%, the 8210 N95 mouth masks of its filter effect and 3M are close, hence one can see that, even do not use electrostatic precipitation, mouth mask of the present utility model also has filtration efficiency.

In addition, the utility model is except the structure of the first embodiment, the another kind of structure of implementing also can be arranged, its inner composition structure as shown in Figure 5, only use outer 31 and isolation layer 32 combinations of a nonwoven, and this isolation layer 32 also is two nonwoven skins 321, thin layer 322 of 323 sandwicheds is made, and also have a plurality of continuity grooves 324 in these isolation layer 32 surfaces, and this isolation layer 32 directly is attached on the lateral surface 312 of this nonwoven skin 31, like this then form the mouth mask 3 that single face nonwoven skin 31 is only arranged, and this bellying 311 protrudes the space that inwardly forms, and also is used for making things convenient for the user that mouth mask 3 is covered in face.

Mouth mask provided by the utility model, when mutually comparing with prior art, its advantage is as follows:

The utility model does not need in conjunction with the stratum reticulare of classes such as static filter mesh layer as electrostatic precipitation, also can reach the filtration efficiency more than 99%, owing to the problem that can not disappear and to cause service efficiency to descend and can't use for a long time because of static, historical facts or anecdotes does not then have the problem of pot-life with novel mouth mask in addition.

The design of the utility model structure is so inner with outside pressure reduction is less, so can not cause the user to have dyspneic situation to occur.

Mouth mask of the present utility model can be made the mouth mask of various forms and kind.

By the above detailed description of preferred embodiments, hope can be known description feature of the present utility model and spirit more, and is not to come category of the present utility model is limited with above-mentioned disclosed preferred embodiment.On the contrary, its objective is that hope can contain in the category of the claim that is arranged in the wish application of the utility model institute of various changes and tool equality.

Claims

1. a mouth mask is characterized in that, comprising:

Several nonwoven are outer;

At least one isolation layer is arranged between these several nonwoven skins, and this isolation layer is made by thin layer of two nonwoven internal layer sandwicheds, is nonplanar structure sheaf on this isolation layer surface wherein.

2. mouth mask as claimed in claim 1 is characterized in that, this thin layer adopts polytetrafluoroethylene (PTFE), poly-ly fluoridizes divinyl, polypropylene, poly-ly fluoridizes divinyl polyether sulfone, polyurethane or meltblown and make.

3. mouth mask as claimed in claim 1 is characterized in that: this nonplanar structure sheaf is wavy structure, continuously pleat trace structure, discontinuous pleat trace structure or laciniation.

4. a mouth mask is characterized in that, comprising:

A nonwoven skin;

An isolation layer is attached at the outer side of this nonwoven, and this isolation layer is made by thin layer of two nonwoven internal layer sandwicheds, is nonplanar structure sheaf on this isolation layer surface wherein.

5. mouth mask as claimed in claim 4 is characterized in that, this thin layer adopts polytetrafluoroethylene (PTFE), poly-ly fluoridizes divinyl, polypropylene, poly-ly fluoridizes divinyl polyether sulfone, polyurethane or meltblown and make.

6. mouth mask as claimed in claim 4 is characterized in that: this nonplanar structure sheaf is wavy structure, continuously pleat trace structure, discontinuous pleat trace structure or laciniation.