CN205948209U

CN205948209U - Breather valve and gauze mask

Info

Publication number: CN205948209U
Application number: CN201620917110.9U
Authority: CN
Inventors: 万媛媛
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-22
Filing date: 2016-08-22
Publication date: 2017-02-15
Anticipated expiration: 2026-08-22

Abstract

The utility model discloses a breather valve and a gauze mask relate to daily necessities technical field, this breather valve, including base and valve body, base and gauze mask cover body coupling, valve body and pedestal connection, valve body include interior valve block, outer valve block and set up in the air chamber between interior valve block and the outer valve block, and interior valve block and outer valve block are the one -way valve block of expiration, and the gas vent of interior valve block and the gas vent of outer valve block lie in the different position of valve body respectively. This gauze mask is fixed in cover body both sides including the cover body and ear area, ear area, is provided with above -mentioned breather valve on the cover body, when the user wears the gauze mask that has above -mentioned breather valve or above -mentioned gauze mask, can further reduce expiratory resistance, the seal of gauze mask, the outside dust of effective isolation can be guaranteed simultaneously to discharge sooner moisture and steam.

Description

A kind of breather valve and mask

Technical field

This utility model is related to article of everyday use technical field, more particularly to a kind of breather valve and mask.

Background technology

Increasingly sharpening with environmental pollution, and people are for the enhancing of healthy protective awareness, mask in life and is cured It is widely used in treatment, mask has become an indispensable part in people's daily life.Existing have certain protection work The breathing permeability of mask is poor, and the gas of exhalation is difficult to discharge, and should not wear for a long time；Also have one in the middle of prior art There is the mask of breather valve a bit, but this mask or breather valve gas outside while exhaling also is easily accessible mask Inside, and sucked by human body it is impossible to realize the effective filtration to air.

Utility model content

The purpose of this utility model is to provide a kind of breather valve and mask, to solve the problems, such as above-mentioned prior art, Ensure while user smooth breathing and be capable of the effective filtration to air.

For achieving the above object, this utility model one side provides a kind of breather valve, including pedestal and valve body, described pedestal It is connected with mask cover body, described valve body is connected with described pedestal, described valve body includes interior valve block, external valve plate and is arranged at described interior Air chamber between valve block and described external valve plate, described interior valve block and described external valve plate are expiratory one-way valve piece, described interior valve block The air vent of air vent and described external valve plate be located at the different azimuth of described valve body respectively.

Preferably, the air vent of described interior valve block is opposed positioned at described valve body respectively with the air vent of described external valve plate Two orientation.

Preferably, described interior valve block is arranged on the air inlet of described air chamber, and described external valve plate is arranged on going out of described air chamber At QI KOU, described air inlet of air chamber is smaller in size than described internal valve chip size, and described air chamber gas outlet is smaller in size than described external valve plate Size.

Preferably, described air chamber and described pedestal are to snap connection.

Preferably, described breather valve is silica gel breather valve.

This utility model another aspect provides a kind of mask, and including cover body and ear band, described ear band is fixed on described cover body Both sides, described cover body is provided with breather valve, and described breather valve is the breather valve described in any of the above technical scheme.

Preferably, described pedestal includes base and the convex edge being arranged on described base, described cover body is provided with and institute State the installing hole that convex edge matches, described convex edge is fastened togather through described installing hole with described air chamber, described base external diameter Size is more than the size of described installing hole.

Preferably, described air chamber inwall is provided with card article, and described convex edge is provided with the draw-in groove matching with described card article,

Preferably, described ear band is elastic ear band, and described cover body includes filter layer, and described filter layer is carbon nano-fiber mistake Filtering layer.

Preferably, it is provided with software nose clip bar above described cover body at user bridge of the nose bonding position.

This utility model achieves following technique effect with respect to prior art：

The valve body of the breather valve that this utility model provides include interior valve block, external valve plate and be arranged at interior valve block and external valve plate it Between air chamber, interior valve block and external valve plate are expiratory one-way valve piece, so, when mask wearer exhales, the just meeting of inside and outside valve block Open, and interior valve block is first opened, the gas of exhalation then can enter in air inlet chamber, and external valve plate is opened with respect to after interior valve block, exhalation Gas then can discharge, inside and outside valve block is opened when different, then, while reducing expiration, outside unfiltered gas passes through to exhale Inhale valve and enter into the probability in mask；And the air vent of the air vent of interior valve block and external valve plate is located at the not Tongfang of valve body respectively Position, outside gas can stay for some time after the air vent of external valve plate enters in air chamber, the exhaust close of interior valve block Afterwards, outside unfiltered gas cannot enter into mask inside it is ensured that while user exhales unobstructed and being capable of Effective filtration to air.

Brief description

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment In required use accompanying drawing be briefly described it should be apparent that, drawings in the following description are only of the present utility model Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can also basis These accompanying drawings obtain other accompanying drawings.

Fig. 1 is the cross-sectional view of this utility model breather valve；

Fig. 2 is the cross-sectional view of base in this utility model breather valve；

Fig. 3 is the side structure schematic diagram after this utility model mask mask doubling；

In figure：1- pedestal, 11- base, 12- convex edge, 121- draw-in groove, 2- valve body, valve block, 22- external valve plate, 23- gas in 21- Room, 231- card article, 3- cover body, 31- software nose clip bar, 4- ear band.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work The every other embodiment being obtained, broadly falls into the scope of this utility model protection.

The purpose of this utility model is to provide a kind of mask and breather valve it is ensured that while user smooth breathing and can Realize the effective filtration to air.

Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with the accompanying drawings and tool Body embodiment is described in further detail to this utility model.

Embodiment one

The present embodiment provides a kind of breather valve, as shown in figure 1, including pedestal 1 and valve body 2, pedestal 1 is with mask cover body even Connect, valve body 2 is connected with pedestal 1, valve body 2 includes interior valve block 21, external valve plate 22 and is arranged between interior valve block 21 and external valve plate 22 Air chamber 23, interior valve block 21 and external valve plate 22 are expiratory one-way valve piece, the air vent of interior valve block 21 and the aerofluxuss of external valve plate 22 Mouth is located at the different azimuth of valve body 2 respectively.

The breather valve that the present embodiment provides, when mask wearer exhales, inside and outside valve block just can be opened, and interior valve block 21 first open, and in the advanced air inlet chamber of gas 23 of exhalation, external valve plate 22 is opened with respect to after interior valve block 21, now, the gas of exhalation Body then can be discharged；Inside and outside valve block is opened when different, then, while reducing expiration, outside unfiltered gas passes through breather valve Enter into the probability in mask；And the air vent of the air vent of interior valve block 21 and external valve plate 22 is located at the not Tongfang of valve body 2 respectively Position, outside gas can stay for some time it is impossible at once enter into after the air vent of external valve plate 22 enters in air chamber 23 In mask, after the exhaust close of interior valve block 21, outside unfiltered gas cannot enter into mask inside it is ensured that using Person exhale unobstructed while and be capable of the effective filtration to air.

Embodiment two

The present embodiment provides a kind of breather valve, on the basis of embodiment one, the air vent of the interior valve block 21 of the present embodiment It is located at opposed two orientation of valve body 2, the air vent of interior valve block 21 and external valve plate 22 with the air vent of external valve plate 22 respectively The distance between air vent is maximum with respect to other positions, and outside unfiltered gas is after the air vent of external valve plate 22 enters Be difficult to interior valve block 21 close advance into mask internal it is ensured that effective filtration to air for the mask.

Interior valve block 21 is arranged on the air inlet of air chamber 23, and external valve plate 22 is arranged at the gas outlet of air chamber 23, and air chamber 23 enters QI KOU is smaller in size than interior valve block 21 size, and air chamber gas outlet is smaller in size than external valve plate 22 size, when further ensuring air-breathing, exhales Inhale the sealing of valve.

Air chamber 23 and pedestal 1 are to snap connection, and can take breather valve, realize repeatedly making of breather valve from mask With economic and environment-friendly.

Breather valve is silica gel breather valve, in the case of can avoiding accidental impact, human body is damaged, the section shape of breather valve Shape can be circular, fan-shaped, square or other shapes.

Embodiment three

The present embodiment provides a kind of mask, as shown in figure 3, including cover body 3 and ear band 4, ear band 4 is fixed on cover body 3 both sides, Breather valve is provided with cover body 3, breather valve is the breather valve in embodiment one or embodiment two, when wearing mask, can be further Reduce expiratory resistance, faster discharge dampness and steam, the seal of mask can be ensured simultaneously, be effectively isolated external dust.

Pedestal 1 includes base 11 and the convex edge 12 being arranged on base, and cover body 3 is provided with the peace being matched with convex edge 12 Dress hole, convex edge 12 is fastened togather through installing hole with air chamber 23, and base 11 outside dimension is more than the size of installing hole, by pedestal 1 is fixed on and is connected with the air chamber 23 on breather valve on cover body 3.

As shown in Figure 1, 2, air chamber 23 inwall is provided with card article 231, and convex edge 12 is provided with the card being matched with card article 231 Groove 121, the card article 231 that air chamber 23 passes through to match with convex edge 12 is linked together with draw-in groove 121, can achieve more firm buckle Install.

Ear band 4 is elastic ear band, and cover body 3 includes filter layer, and filter layer is carbon nano-fiber filter layer, can filter The particulate matter of more than pm0.3, efficiency reaches more than industrial KN95 rank.

It is provided with software nose clip bar 31 at the side user bridge of the nose bonding position of face's contact above cover body 3, permissible Nose-shaped according to wearer carries out accommodation it is ensured that having good sealing property when mask is worn, and can reduce Injury to human body in the case of accidental impact.

In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other The difference of embodiment, between each embodiment identical similar portion mutually referring to.For system disclosed in embodiment For, because it corresponds to the method disclosed in Example, so description is fairly simple, say referring to method part in place of correlation Bright.

Apply specific case in this utility model principle of the present utility model and embodiment are set forth, above The explanation of embodiment is only intended to help understand method of the present utility model and its core concept；Simultaneously for this area one As technical staff, according to thought of the present utility model, all will change in specific embodiments and applications.To sum up Described, this specification content should not be construed as to restriction of the present utility model.

Claims

1. a kind of breather valve it is characterised in that：Including pedestal and valve body, described pedestal is connected with mask cover body, described valve body with Described pedestal connects, and described valve body includes interior valve block, external valve plate and the gas being arranged between described interior valve block and described external valve plate Room, described interior valve block and described external valve plate are expiratory one-way valve piece, the air vent of described interior valve block and the row of described external valve plate QI KOU is located at the different azimuth of described valve body respectively.

2. breather valve according to claim 1 it is characterised in that：The air vent of described interior valve block and the row of described external valve plate QI KOU is located at opposed two orientation of described valve body respectively.

3. breather valve according to claim 2 it is characterised in that：Described interior valve block is arranged on the air inlet of described air chamber, Described external valve plate is arranged at the gas outlet of described air chamber, and described air inlet of air chamber is smaller in size than described internal valve chip size, described Air chamber gas outlet is smaller in size than described external valve plate size.

4. breather valve according to claim 3 it is characterised in that：Described air chamber and described pedestal are to snap connection.

5. breather valve according to claim 4 it is characterised in that：Described breather valve is silica gel breather valve.

6. a kind of mask it is characterised in that：Including cover body and ear band, described ear band is fixed on described cover body both sides, described cover body On be provided with breather valve, described breather valve is the breather valve described in any claim in Claims 1 to 5.

7. mask according to claim 6 it is characterised in that：Described pedestal includes base and is arranged on described base Convex edge, described cover body is provided with the installing hole being matched with described convex edge, and described convex edge passes through described installing hole and described gas Room is fastened togather, and described base outside dimension is more than the size of described installing hole.

8. mask according to claim 7 it is characterised in that：Described air chamber inwall is provided with card article, and described convex edge sets It is equipped with the draw-in groove matching with described card article.

9. mask according to claim 8 it is characterised in that：Described ear band is elastic ear band, and described cover body includes filtering Layer, described filter layer is carbon nano-fiber filter layer.

10. mask according to claim 9 it is characterised in that：Above described cover body at user bridge of the nose bonding position It is provided with software nose clip bar.