CN213823228U

CN213823228U - Mask

Info

Publication number: CN213823228U
Application number: CN202022407232.2U
Authority: CN
Inventors: 陈利明
Original assignee: Zhejiang Hongmanteng Medical Technology Co ltd
Current assignee: Zhejiang Hongmanteng Medical Technology Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-07-30
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a mask relates to protective articles, aims at solving the structure that steam received three-layer paper and condenses easily in the inboard of mask, dresses for a long time for moisture appears in one side of mask laminating oronasal and influences the problem that people's dressing was experienced, and its technical scheme main points are: including the cover body and breather valve, the breather valve includes fixed part and can dismantle the portion of breathing freely of being connected with the fixed part, fixed part and cover body fixed connection, can dismantle in the fixed part to be connected with and to be located the self-closing piece of portion of breathing freely, and the self-closing piece has elastic recovery performance. The utility model discloses a self-closing member that is located the breather valve is opened when exhaling, outside the air escape mask that is convenient for have steam, and is closed when breathing in, hinders in external dust enters into the gauze mask, improves the protection nature of gauze mask to through adopting the close skin layer of bamboo fibre material, improve the inboard moisture absorption air permeability of gauze mask, reduce condensing of steam, improve the close skin nature of gauze mask.

Description

Mask

Technical Field

The utility model relates to a protective articles, more specifically say, it relates to a gauze mask.

Background

The mask is a sanitary article, is generally worn on the mouth and nose for filtering air entering the mouth and nose so as to achieve the effect of blocking harmful gas, smell, spray, virus and other substances, and is made of gauze, paper and other materials. The mask has a certain filtering function on air entering the lung, and has a very good effect when being worn in respiratory infectious diseases and working in environments polluted by dust and the like.

Commercially available masks generally fall into two categories, rectangular and cup-shaped. The rectangle gauze mask will have the structure of three-layer paper at least and just can have the effect of protection, the user will press the iron wire on the gauze mask on the bridge of the nose, spread out whole gauze mask along the bridge of the nose again, just can exert efficiency, but people are at the in-process of breathing, the air of oronasal exhalation carries the steam of gaseous state, and steam receives the easy condensation of structure of three-layer paper in the inboard of gauze mask, dress for a long time, make one side of gauze mask laminating oronasal appear moist and influence people's dressing experience.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a gauze mask opens when exhaling through the self-closing piece that is located the breather valve, outside the air escape gauze mask that is convenient for have steam, and is closed when breathing in, hinders external dust to enter the gauze mask in, improves the protectiveness of gauze mask to through adopting the close skin layer of bamboo fibre material, improve the inboard moisture absorption air permeability of gauze mask, reduce condensing of steam, improve the close skin nature of gauze mask.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a mask, includes the cover body and breather valve, the breather valve includes fixed part and can dismantle the ventilative portion of being connected with the fixed part, fixed part and cover body fixed connection, can dismantle in the fixed part and be connected with the self-closing piece that is located ventilative portion, the self-closing piece has elastic recovery performance.

Through adopting above-mentioned technical scheme, can dismantle in the ventilative portion of connection and be connected with the fixed part through the self-closing piece according to elasticity recovery characteristic, make people when dressing the gauze mask and breathing in, through the setting of self-closing piece, make external air be difficult for getting into the oronasal through ventilative portion, and when people exhale, make the air extrusion self-closing piece that has steam, open the self-closing piece, thereby make the air in the gauze mask discharge fast through the breather valve, reduce steam and form the drop of water at the inside condensation of gauze mask, avoid influencing people's wearing and experience.

The utility model discloses further set up to: the mask body is provided with a ventilation window communicated with the fixing part and the ventilation part, the fixing part is provided with a connecting part coaxially arranged with the ventilation window, the self-closing piece is sleeved outside the connecting part, and one end of the self-closing piece, far away from the mask body, is flat.

Through adopting above-mentioned technical scheme, setting through connecting portion, the self-closing cover that is convenient for have the elasticity recovery characteristic is established outside connecting portion, the people of being convenient for install the self-closing, and the one end of the Zhao's body is the platykurtic from the self-closing, thereby when people dress the gauze mask and breathe in, the inboard atmospheric pressure of gauze mask is less than external atmospheric pressure, make the self-closing that is the platykurtic structure distribute breather valve, it passes through the breather valve entering to hinder external air, improve the check effect of gauze mask to external dust, in expiration in-process, the inboard atmospheric pressure of gauze mask is greater than external atmospheric pressure, thereby make the air extrusion self-closing that the exhalation has steam, when the air is full of self-closing inside, open the opening that is the self-closing of platykurtic, and then make the quick discharge of the inboard air of gauze mask, improve.

The utility model discloses further set up to: the periphery wall of the connecting part is provided with a plurality of inverted teeth which are obliquely arranged back to the direction of the ventilating part.

By adopting the technical scheme, the pawl is obliquely arranged outside the connecting part, so that the contact area and the friction force of the connecting part and the self-closing part are increased when the self-closing part is sleeved outside the connecting part, and the connecting strength of the self-closing part and the fixing part is improved.

The utility model discloses further set up to: the one end of gas permeable part orientation fixed part is equipped with the screw thread section with fixed part threaded connection, set up the arc mouth that a plurality of annular arrays distribute on the periphery wall of gas permeable part, the small-bore orientation of arc mouth is ventilative portion inside direction setting.

Through adopting above-mentioned technical scheme, through the setting of screw thread section for ventilative portion and fixed part can carry out threaded connection, set up the arc mouth on the ventilative portion simultaneously, and the people of being convenient for exhale the messenger and discharge the inboard air efficient of gauze mask.

The utility model discloses further set up to: the respirator is characterized in that the hood body is provided with an aluminum-plastic strip located at the nose bridge, and one side of the hood body back to the breather valve is bonded with anti-slip pastes located on two sides of the aluminum-plastic strip.

Through adopting above-mentioned technical scheme, through the setting of aluminium-plastic strip, the bridge of the nose department of the cover body laminating people face of being convenient for, simultaneously through the setting of antiskid subsides, the frictional force of the increase cover body and face's skin improves the stability when gauze mask is dressed.

The utility model discloses further set up to: the anti-slip patch is made of silica gel, and a plurality of anti-slip salient points are formed on the outer surface of the anti-slip patch.

Through adopting above-mentioned technical scheme, through the anti-skidding subsides of silica gel material, and a plurality of anti-skidding bumps on its surface, when can increase the frictional force between gauze mask and the skin, improve the close skin nature of gauze mask, and avoid the gauze mask to tighten the face for a long time and the indentation appears.

The utility model discloses further set up to: the cover body includes surface course, inoxidizing coating and close skin layer, the border of surface course, inoxidizing coating and close skin layer forms through the hot melt adhesive bonding, the surface course adopts waterproof polypropylene non-woven fabrics, close skin layer adopts the water thorn non-woven fabrics of bamboo fibre material.

Through adopting above-mentioned technical scheme, through adopting the hot melt adhesive to carry out the mode that bonds for surface course, inoxidizing coating and close skin layer have good joint strength between, and waterproof polypropylene non-woven fabrics is adopted to the surface course simultaneously, improves the outer hydrophobicity of gauze mask, and close skin layer adopts the water thorn non-woven fabrics of bamboo fiber material, makes close skin layer have the ventilative effect of good moisture absorption, and the steam in the air of mouth nose exhalation can be through close skin layer quick absorption, and then improves the close skin nature of gauze mask.

The utility model discloses further set up to: the mask body is provided with a symmetrical line positioned on the mask body and an arc-shaped folding line along the length direction of the nose bridge.

Through adopting above-mentioned technical scheme, be the arc and be located the folding line of symmetrical line through the setting, enable the cover body and fold along the folding line to protect the surface course, and when dressing, the folding line is located bridge of the nose department, can guarantee to leave the clearance between the cover body and the mouth nose, improves the travelling comfort of gauze mask.

To sum up, the utility model discloses following beneficial effect has:

through will be according to the self-closing piece of elasticity recovery characteristic can dismantle in the ventilative portion of connection and be connected with the fixed part, make people when dressing the gauze mask and breathe in, through the setting of self-closing piece, make external air be difficult for getting into the mouth nose through ventilative portion, and when people exhale, make the air extrusion self-closing piece that has steam, open the self-closing piece, thereby make the air in the gauze mask discharge fast through the breather valve, reduce steam and form the drop of water at the inside condensation of gauze mask, avoid influencing people's dressing experience.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a cross-sectional view of the breather valve of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 3.

In the figure: 1. a cover body; 2. a breather valve; 3. a fixed part; 4. a ventilation section; 5. a self-closing element; 6. a connecting portion; 7. chamfering; 8. an arc-shaped opening; 9. aluminum-plastic strips; 10. anti-slip paste; 11. a folding line.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A mask, as shown in fig. 2 and fig. 3, comprises a mask body 1 and a breather valve 2, wherein the breather valve 2 comprises a fixing part 3 and a ventilation part 4 detachably connected with the fixing part 3, the fixing part 3 is fixedly connected with the mask body 1 through bonding, a self-closing part 5 positioned in the ventilation part 4 is detachably connected in the fixing part 3, the self-closing part 5 has elastic recovery performance, concretely, the self-closing part 5 is in a hollow structure and is in a strip shape made of rubber, a ventilation window communicated with the fixing part 3 and the ventilation part 4 is arranged on the mask body 1, a connecting part 6 coaxially arranged with the ventilation window is integrally formed on the fixing part 3, the self-closing part 5 is sleeved outside the connecting part 6, and one end of the self-closing part 5, which is far away from the mask body 1, is in a flat shape.

As shown in fig. 2 and 4, a plurality of inverted teeth 7 obliquely arranged in a direction opposite to the ventilation portion 4 are formed on the peripheral wall of the connection portion 6, a sleeve of the self-closing member 5 is arranged on the peripheral portion of the connection portion 6 and extrudes the inverted teeth 7, a thread section in threaded connection with the fixing portion 3 is formed at one end of the ventilation portion 4 facing the fixing portion 3, the outer edge of the fixing portion 3 is sleeved outside the thread section and in threaded connection with the thread section, a plurality of arc-shaped openings 8 distributed in an annular array are formed in the peripheral wall of the ventilation portion 4, specifically, the flat section of the arc-shaped opening 8 is fan-shaped, and small diameters of the arc-shaped openings 8 are arranged in a direction towards the inside of the ventilation portion 4.

As shown in fig. 1, an aluminum-plastic strip 9 located at the bridge of the nose is bonded on the mask body 1, anti-slip patches 10 located at two sides of the aluminum-plastic strip 9 are bonded on one side of the mask body 1 facing away from the breather valve 2, the anti-slip patches 10 are made of silica gel, and a plurality of anti-slip salient points are formed on the outer surface of the anti-slip patches 10.

Fig. 2 shows, be equipped with on the cover body 1 and be curved folding line 11 along bridge of the nose length direction and be located the symmetry line of the cover body 1, the cover body 1 includes surface course, inoxidizing coating and close skin layer, and the border of surface course, inoxidizing coating and close skin layer forms through the hot melt adhesive bonding, and the surface course adopts waterproof polypropylene non-woven fabrics, and close skin layer adopts the water thorn non-woven fabrics of bamboo fibre material.

When people dressed the gauze mask and breathed, because cover body 1 adopts the surface course, inoxidizing coating and close skin layer form through the hot melt adhesive bonding, because the surface course adopts waterproof polypropylene non-woven fabrics, can hinder the moist gauze mask of external steam, improve the waterproof characteristics of gauze mask, and the water thorn non-woven fabrics through bamboo fiber material, because bamboo fiber material has good ventilative characteristics of moisture absorption, and can restrain breeding of gauze mask surface bacterium, improve the close skin effect of gauze mask, when people's exhalation has the air of steam, steam can pass close skin layer and be difficult for forming the drop of water on close skin layer surface, and then solved because steam and lead to the inboard moist problem that influences the gauze mask travelling comfort that appears of gauze mask.

Meanwhile, the breather valve 2 is formed by connecting a fixed part 3 and a ventilation part 4 in a threaded connection mode, a self-closing piece 5 is sleeved in the fixed part 3, the self-closing piece 5 is made of rubber, one end of the self-closing piece 5 is sleeved on a connecting part 6 with inverted teeth 7, so that the self-closing piece 5 and the fixed part 3 have good connecting strength, meanwhile, the other end of the self-closing piece is of a flat structure, when people breathe in, the air pressure inside the mask is smaller than the air pressure outside the mask, so that the flat opening is closed, further, the outside air can only enter the mouth and the nose through a surface layer, a protective layer and a skin-facing layer, a good dustproof effect is achieved, when people breathe out, the air pressure inside the mask is larger than the air pressure outside the mask, further, the air is extruded on the inner wall of the self-closing piece 5, the self-closing piece 5 is opened in a flat opening, so that the air inside the mask is discharged through the self-closing piece 5 and an arc-shaped opening 8 on the peripheral wall of the ventilation part 4, reduce the water vapor on the inner side of the mask and improve the skin-friendly performance of the mask.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A mask, characterized in that: including the cover body (1) and breather valve (2), breather valve (2) include fixed part (3) and can dismantle ventilative portion (4) of being connected with fixed part (3), fixed part (3) and the cover body (1) fixed connection, can dismantle in fixed part (3) and be connected with from closing (5) that are located ventilative portion (4), from closing (5) have elastic recovery performance.

2. The mask of claim 1 wherein: the ventilation cover is characterized in that the cover body (1) is provided with a ventilation window communicated with the fixing part (3) and the ventilation part (4), the fixing part (3) is provided with a connecting part (6) which is coaxial with the ventilation window, the self-closing piece (5) is sleeved outside the connecting part (6), and one end, far away from the cover body (1), of the self-closing piece (5) is flat.

3. The mask of claim 2 wherein: the peripheral wall of the connecting part (6) is provided with a plurality of inverted teeth (7) which are obliquely arranged back to the direction of the ventilating part (4).

4. The mask of claim 1 wherein: ventilative portion (4) are equipped with the screw thread section with fixed part (3) threaded connection towards the one end of fixed part (3), arc mouth (8) that a plurality of annular arrays distribute are seted up on the periphery wall of ventilative portion (4), the small-bore orientation of arc mouth (8) ventilative portion (4) inside direction sets up.

5. The mask of claim 1 wherein: the breathing mask is characterized in that an aluminum-plastic strip (9) located at the nose bridge is arranged on the mask body (1), and anti-slip pastes (10) located on two sides of the aluminum-plastic strip (9) are bonded on one side, back to the breathing valve (2), of the mask body (1).

6. The mask of claim 5 wherein: the anti-slip patch (10) is made of silica gel, and a plurality of anti-slip salient points are formed on the outer surface of the anti-slip patch (10).

7. The mask of claim 1 wherein: the cover body (1) includes surface course, inoxidizing coating and close skin layer, the border of surface course, inoxidizing coating and close skin layer forms through the hot melt adhesive bonding, the surface course adopts waterproof polypropylene non-woven fabrics, close skin layer adopts the water thorn non-woven fabrics of bamboo fibre material.

8. The mask of claim 1 wherein: the mask body (1) is provided with a folding line (11) which is positioned on the symmetrical line of the mask body (1) and is arc-shaped along the length direction of the nose bridge.