CN214071853U - Wear comfortable and can prevent plane gauze mask that glasses hazed - Google Patents
Wear comfortable and can prevent plane gauze mask that glasses hazed Download PDFInfo
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- CN214071853U CN214071853U CN202020509428.XU CN202020509428U CN214071853U CN 214071853 U CN214071853 U CN 214071853U CN 202020509428 U CN202020509428 U CN 202020509428U CN 214071853 U CN214071853 U CN 214071853U
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Abstract
The utility model provides a wear comfortable and can prevent plane gauze mask that glasses hazed, includes the gauze mask body, the gauze mask body includes by interior gauze mask skin layer, gauze mask intermediate level and the gauze mask outward appearance layer of laminating the installation in proper order outside to, be equipped with the antifog filter band of bridge of the nose strip and self-adaptation on the gauze mask body, bridge of the nose strip and the antifog filter band coincidence of self-adaptation are laminated and are set up at the bridge of the nose strip position of gauze mask body. The utility model discloses an increase and set up the antifog filter belt of self-adaptation, can improve the closely knit degree of plane gauze mask and face type in the use, filter and breathe produced high humid tropical gas and reach gauze mask and wear comfortable and reduce the effect that produces the fog on glasses.
Description
Technical Field
The utility model belongs to the technical field of medical supplies, specifically speaking are plane gauze mask who wears comfortablely and can prevent that glasses from hazing.
Background
At present, the situation of pneumonia epidemic prevention and treatment due to partial virus infection in China is severe, and the contradiction between supply and demand of medical protective articles is prominent. Strengthening the management of medical protective articles in medical institutions is the key point of epidemic situation prevention and treatment, and is related to the smooth development of medical treatment and treatment work, winning epidemic situation prevention and control fighting, and health and life safety of people. A large number of professional medical equipment production enterprises concentrate on the production and research of professional medical protective clothing, ordinary consumers do not have the opportunity and the ability to wear professional protective clothing in daily life, and various uncomfortable feelings of the mask in the using process and particularly the influence on the mask and the use intention of the consumers wearing glasses due to the fogging of the glasses are a main factor influencing the daily wearing of the mask. But if the method can protect the mass consumers at the infected source, the method reduces the chance of common consumers being infected and reduces the infected people, thus having great practical significance for the final victory of the epidemic prevention campaign.
Having paid attention to this need of a number of prior inventions, we have found the following relevant studies by searching patent databases:
patent CN201920341971.0 "antifog haze sponge gauze mask" has reported an antifog haze sponge gauze mask design: including gauze mask main part, exhaust apparatus and wearing device, the main part includes activated carbon fiber cloth, the fusing spraying cloth of electricity level that stays, static cotton, the sponge that highly kick-backs, the cotton, PE film, the bridge of the nose sponge strip and the bridge of the nose strip, and its exhaust apparatus is including connecting shell, check ring and exhaust fin, wearing the device and including bungee a and bungee b, activated carbon fiber cloth is installed to the outside, activated carbon fiber cloth inboard has sewed up the fusing spraying cloth of electricity level that stays to it has sewed up static cotton in the inboard, has sewed up the sponge that highly kick-backs again. In order to reach high-efficient isolated haze, harmful substance such as dust is to wearing comfortable in the influence that is in the human body, avoids using the ventilative condition that causes the person of wearing discomfort of gauze mask for a long time.
The utility model provides a CN201810991807.4 "antifog haze gauze mask of moisturizing" discloses a design of antifog haze gauze mask of moisturizing, and characterized in that gauze mask body is three layer construction, is outside antibacterial layer, filling layer and rete respectively, and wherein, outside antibacterial layer adopts the cloth material of harmless, has set up the cavity in the inside of rete, and wherein, the filling in situ has set up antifog haze composition for the inside respiratory environment of gauze mask becomes comfortable, can make face keep fresh and cool.
The patent CN201820448591.2 'an antifogging ear-protecting mask suitable for wearing glasses' further indicates that the fogging of glasses is a big trouble when consumers use the mask, and connecting cloth is arranged between the mask surface and the ear muffs; the upper part of the mask surface is provided with cotton blocks which respectively correspond to the areas between the nasal bones and the zygomatic bones; a nasal breathing area and a mouth breathing area are arranged on the cover surface, the positions of the nasal breathing area and the nostrils correspond, and the positions of the mouth breathing area and the mouth correspond; the connecting cloth both sides all have the seam banding, all be equipped with the regulation rope in the banding, all be equipped with on the regulation rope and adjust and detain. So as to avoid the fogging of the lens when wearing the glasses and reduce the potential safety hazard.
Similar patent also CN201820215954.8 "a moisture proof gauze mask" discloses a waterproof vapour gauze mask, includes face piece of cloth and respiratory cavity at the gauze mask, and the face piece of cloth includes outer waterproof layer and inside lining to face piece of cloth inside lining side subsides are put down in the face, and nose department sets up the chamber that holds of uplift, and nostril department sets up the opening, and respiratory cavity sets up in the face piece of cloth waterproof layer outside, for constituteing by the shell that possesses the bleeder vent and face piece of cloth, and with the cavity of nostril department opening connection, the shell outside sets up removable cassette, the lower part of cavity sets up the check valve. The method of independently setting the breathing cavity is adopted, the problem that the ventilation effect is poor due to the fact that water vapor in the existing mask is accumulated, the mask is pasted on skin after condensation and the water vapor soaks the filter sheet is solved, and the comfort level and the safety in use are effectively improved.
Patent CN201720181357.3 "disposable medical antifogging mask" discloses a design of a planar medical mask consisting of a mask body, a tie strap and an antifogging structure fixed on the central edge of the upper part of the mask body. The antifogging structure is a pressing plate with two narrow sides and gradually widened middle part and a bulge, the pressing plate is fixedly connected to the central edge of the upper part of the front of the cover body, memory cotton or equivalent thereof is arranged behind the pressing plate, and an elastic band is arranged in front of the pressing plate. Above-mentioned gauze mask is worn to feel comfortable, can effectively prevent the gas of people's exhalation to discharge through cover body upper portion, prevents that glasses lens from atomizing. A similar patent also CN201120313255.5 "a disposable mask" provides a disposable mask, in which a soft foam material strip, especially a sponge strip, is provided on the upper edge of the inner side of the mask body. The division bar is preferably connected with the upper edge of the inner side of the mask body through viscose.
In view of the above, it is widely accepted by those skilled in the art that conventional masks are prone to uncomfortable wearing, including the inner layer being moist, and that fogging of glasses in particular is a significant problem for persons wearing glasses when using masks. At present, the prior art adopts a cavity-dividing design in the mask or additionally sticks a specially designed sponge pressing plate or pressing strip with a specific structure and a specific shape on the inner layer of the mask. However, the above designs require additional processing in mask production, and also lack the design of thermal-humidity comfort of the traditional medical protective equipment, which is a flat mask, due to the physical characteristics of the materials.
It is well known that the transmission of new coronavirus is mainly composed of three modes of contact transmission, droplet transmission and air transmission. Meanwhile, the prior research also indicates that: the size of coronavirus is about 60-120 nm, and the pore size of the common textile fabric is usually 500 μm, although it varies greatly according to the texture and processing of the fabric, such as an untreated single-layer non-woven fabric; if the droplets containing the virus reach the mask surface and stay on the surface of the mask, the droplets may be touched by our hands to cause infection.
Moreover, the root cause of the mask is the fogging of the glasses and the discomfort of the moisture in the mask inner layer during use is that the air discharged from the body during breathing is usually with the body temperature of the person and contains much moisture. When the mask is away from the human body and meets the inner layer of the mask, the mask is condensed due to the relatively high temperature and high humidity, and the mask is converted from a gas state to a liquid state. And the original nose bridge strip may be deformed to form an incomplete compact due to the combination of the upper half of the mask and the face shape along with the movement of the face. Some of the high humidity and high humidity air passing through the gap above the mask during breathing and reaching a low temperature also condenses on the surface of the eyeglass lens by the same physical mechanism, resulting in fogging on the eyeglass lens. Therefore, the comfort of most of the existing masks is poor when the masks are worn.
Disclosure of Invention
The invention aims to provide a plane mask which is comfortable to wear and can prevent glasses from fogging.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a wear comfortable and can prevent plane gauze mask that glasses hazed, includes the gauze mask body, is equipped with the ear area on the gauze mask body, and the gauze mask body includes by interior gauze mask skin layer, gauze mask intermediate level and the gauze mask outward appearance layer of laminating the installation in proper order outside to, be equipped with bridge of the nose strip and the antifog filter belt of self-adaptation on the gauze mask body, bridge of the nose strip and the antifog filter belt coincidence of self-adaptation laminate the setting at bridge of the nose strip position of gauze mask body.
The length of the self-adaptive anti-fog filter belt is greater than or equal to that of the nose bridge strip.
The nose bridge strip and the antifogging filter belt are arranged on the middle layer of the mask.
The mask skin layer is made of fabric with the OWTC being more than or equal to-100 and less than or equal to 100.
The mask skin layer is made of unidirectional moisture-conducting fabric with the OWTC being not less than 101.
The middle layer of the mask adopts melt-blown non-woven fabrics, the particle filtering efficiency is more than or equal to 30 percent, and the bacteria filtering efficiency is more than or equal to 95 percentGas resistance less than or equal to 35.0mmH2O。
The mask appearance layer is made of hydrophobic fabric with the surface moisture resistance of more than or equal to grade 3 and the bacteriostatic rate of more than or equal to 90%.
The self-adaptive antifogging filter belt is a cylindrical fiber bundle prepared from a high-moisture-regain material, the official moisture-regain of the high-moisture-regain material is greater than 5, the diameter of a cylinder is more than or equal to 3 and less than or equal to 15mm, and the length of the cylinder is more than or equal to 16 and more than or equal to 8 cm.
The high moisture regain material is multi-strand plied all-cotton carded yarns.
The utility model discloses an increase and set up the antifog filter belt of self-adaptation, can improve the closely knit degree of plane gauze mask and face type in the use, filter and breathe produced high humid gas and reach gauze mask and wear comfortable and reduce the effect that produces the fog on glasses.
Drawings
Fig. 1 is an exploded view of the present invention.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
As shown in the attached drawing 1, the utility model discloses a wear comfortable and can prevent plane gauze mask that glasses hazed, including the gauze mask body, be equipped with the ear area on the gauze mask body, the left side sets up an ear area 104, and the right side sets up an ear area 105, and the gauze mask body includes by inside to outside gauze mask skin layer 101, gauze mask intermediate level 102 and the gauze mask outward appearance layer 103 of laminating the installation in proper order, be equipped with bridge of the nose strip 106 and the antifog cassette tape 107 of self-adaptation on the gauze mask body, bridge of the nose strip and the antifog cassette tape coincidence of self-adaptation laminating setting are at the bridge of the nose strip position of gauze mask body. Through encapsulating the self-adaptive anti-fog filter belt and the nose bridge strip together in a coincident mode, other space positions cannot be occupied.
The nose bridge strip and the antifogging filter belt are arranged on the middle layer of the mask.
The mask skin layer is made of fabric with the OWTC (ontology of the moisture absorption coefficient) being more than or equal to-100 and less than or equal to 100, and the fabric with the moisture absorption and quick drying characteristics can quickly absorb moisture such as fog generated by breathing and keep dry and comfortable.
The mask skin layer is made of unidirectional moisture-conducting fabric with the OWTC (tungsten carbide) of which the thickness is not less than 101, the skin layer is made of the fabric with unidirectional moisture-conducting performance, water vapor sprayed from a mouth is conducted to the mask appearance layer, and unidirectional moisture-conducting is carried out from inside to outside. In order to ensure that the mask skin layer has good humidity buffering capacity, the mask skin layer is prepared from a fiber material with high moisture regain, wherein the fiber material with high moisture regain is a fabric with the moisture regain being more than or equal to 8%.
In order to ensure higher protection, the mask middle layer adopts melt-blown non-woven fabrics, the particle filtration efficiency is more than or equal to 30 percent, the bacteria filtration efficiency is more than or equal to 95 percent, and the gas resistance is less than or equal to 35.0mmH2And O. In order to prevent viruses or bacteria from reaching the mask appearance layer 103 along with the droplets and being adsorbed, the mask appearance layer 103 is made of hydrophobic fabric with the moisture resistance of more than or equal to grade 3 and the bacteriostasis rate of more than or equal to 90%.
The self-adaptive antifogging filter belt is a cylindrical fiber bundle prepared from a high-moisture-regain material, the official moisture-regain of the high-moisture-regain material is greater than 5, and the official moisture-regain is preferably greater than 8; the diameter of the cylinder is more than or equal to 3 and less than or equal to 15mm, the diameter is preferably more than or equal to 5mm, the length of the cylinder is more than or equal to 16 and more than or equal to L and more than or equal to 8cm, and the length is preferably more than or equal to 10 cm. The high moisture regain material may be multi-ply twisted cotton roving with moisture regain, cylinder diameter and cylinder length meeting the set requirement, such as cotton yarn or wool yarn.
In addition, in the present embodiment, the length of the adaptive anti-fog filter band is set to be slightly longer than the length of the nose bridge strip, typically between 5-10 mm.
The utility model discloses in, set up antifog cassette tape through the increase, can increase the self-adaptation ability of bridge of the nose strip, can take place the degree of articulation in order to increase gauze mask and face of certain limit's deformation in the motion process of face. The self-adaptive anti-fog filter belt is prepared by the high-moisture-regain material, and aiming at the upper half part of the mask which is elastically deformed, the moisture regain of the material is improved, so that the moisture in high-temperature and high-humidity air can be automatically captured when the air passes through, and the relative humidity of the air is reduced. The utilization has one-way wet nature of leading, and the gauze mask skin layer of moisture absorption fast-drying ability, and the people can discharge out the gas that has moisture when breathing to outwards discharge that can be quick and inhale futilely, thereby guarantee the dry and comfortable nature on gauze mask skin layer, promote comfortable performance, make the difficult fog problem that produces of glasses.
The following will explain production examples.
The mask skin layer, the mask middle layer and the mask appearance layer are formed by mechanical automatic folding, and one plane is provided with a plurality of flexible fabric bodies.
Feeding material
The fabric (mask skin layer 101, mask middle layer 102 and mask appearance layer 103)
Feeding the rolled materials which are cut into 18CM width into equipment from three material supply racks respectively and forming three layers of overlapped fabrics from top to bottom (103,102,101);
the nose bridge strip material and the self-adaptive anti-fog filter belt are separately packaged in two rolls and directly supplied to the nose bridge strip placing mechanism in a continuous feeding mode;
the two ear band coil semi-packaged raw materials are also directly fed into the ear band welding device.
Installation nose bridge strip and antifog filter band of self-adaptation
Placing a nose bridge strip 106 and a self-adaptive anti-fog filter belt 107 at a given position between a mask skin-sticking layer 101 and a mask middle layer 102 by a nose bridge strip placing mechanism;
ultrasonic welding is carried out in the length direction of the mask to fix the position of the nose bridge strip and the self-adaptive anti-fog filter belt in the mask;
folding
The overlapped fabric continuously forms three folds with the width of about 2CM in the middle of the mask body through the folding component, and simultaneously the width of the mask body is narrowed to 11 CM;
and ultrasonically welding and sealing the edge in the width direction of the mask.
And (4) slicing and outputting automatically.
Welding ear belt
The production process of the whole plane medical mask is finished by punching a left ear belt 104 and a right ear belt 105.
The mask production equipment is conventional automatic mask production equipment, and is not described in detail herein.
The mask body materials in this example were:
The mask intermediate layer 102 was 20 grams per square meter meltblown which had a filtration efficiency of 99% according to STP0014 REV 07.
The mask appearance layer 103 is 20 g/square meter polypropylene non-woven fabric, the surface moisture resistance of the mask appearance layer is 4 grade, and the bacteriostasis rate of the mask appearance layer is 95 percent according to the GB/T20944.2-2007 textile antibacterial performance method.
The self-adaptive antifogging filter belt 107 is all-cotton 50 yarn roving and is three-ply plied.
Although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements, and the like can be made in the technical solutions of the foregoing embodiments or in some of the technical features of the foregoing embodiments, but those modifications, equivalents, improvements, and the like are all within the spirit and principle of the present invention.
Claims (9)
1. The utility model provides a wear comfortable and can prevent plane gauze mask that glasses hazed, includes the gauze mask body, is equipped with the ear area on the gauze mask body, and the gauze mask body includes by interior gauze mask skin layer, gauze mask intermediate level and the gauze mask outward appearance layer of laminating the installation in proper order outside to, its characterized in that, be equipped with bridge of the nose strip and the antifog filter belt of self-adaptation on the gauze mask body, bridge of the nose strip and the antifog filter belt coincidence of self-adaptation are laminated and are set up the bridge of the nose strip position at the gauze mask body.
2. The flat mask according to claim 1, wherein the length of the adaptive anti-fog filter band is greater than or equal to the length of the nose bridge strip.
3. The flat mask according to claim 2, wherein the nose bridge strip and the anti-fogging filter tape are provided on the middle layer of the mask.
4. The flat mask comfortable to wear and capable of preventing glasses from fogging according to claim 3, wherein the mask skin layer is made of a fabric having OWTC ≥ 100 and OWTC ≤ 100.
5. The flat mask comfortable to wear and capable of preventing glasses from fogging as claimed in claim 3, wherein said mask skin layer is made of unidirectional moisture-conductive fabric with 101 ≤ OWTC.
6. The flat mask comfortable to wear and capable of preventing glasses from fogging as claimed in any one of claims 1 to 5, wherein said mask intermediate layer is made of melt-blown non-woven fabric, and has a particle filtration efficiency of 30% or more, a bacteria filtration efficiency of 95% or more, and a gas resistance of 35.0mmH or less2O。
7. The flat mask which is comfortable to wear and can prevent glasses from fogging as claimed in claim 6, wherein the mask appearance layer is made of hydrophobic fabric with surface moisture resistance of not less than 3 grade and bacteriostasis rate of not less than 90%.
8. The mask as claimed in claim 7, wherein the adaptive anti-fogging filter is a cylindrical fiber bundle made of a high moisture regain material having a official moisture regain of 5, a cylinder diameter of 3. ltoreq. D.ltoreq.15 mm, and a cylinder length of 16. ltoreq. L.ltoreq.8 cm.
9. The flat facemask of claim 8, wherein the high moisture regain material is a multi-ply plied all cotton roving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020509428.XU CN214071853U (en) | 2020-04-09 | 2020-04-09 | Wear comfortable and can prevent plane gauze mask that glasses hazed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020509428.XU CN214071853U (en) | 2020-04-09 | 2020-04-09 | Wear comfortable and can prevent plane gauze mask that glasses hazed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214071853U true CN214071853U (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020509428.XU Active CN214071853U (en) | 2020-04-09 | 2020-04-09 | Wear comfortable and can prevent plane gauze mask that glasses hazed |
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| CN (1) | CN214071853U (en) |
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- 2020-04-09 CN CN202020509428.XU patent/CN214071853U/en active Active
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