CN207286479U - A kind of mask outlet valve - Google Patents

A kind of mask outlet valve Download PDF

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Publication number
CN207286479U
CN207286479U CN201721158019.4U CN201721158019U CN207286479U CN 207286479 U CN207286479 U CN 207286479U CN 201721158019 U CN201721158019 U CN 201721158019U CN 207286479 U CN207286479 U CN 207286479U
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CN
China
Prior art keywords
outlet valve
valve
sealing ring
gas
valve seat
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Application number
CN201721158019.4U
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Chinese (zh)
Inventor
李劲松
张燚
陆树兴
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Beijing 352 Environmental Protection Technology Co Ltd
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Beijing 352 Environmental Protection Technology Co Ltd
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Priority to CN201721158019.4U priority Critical patent/CN207286479U/en
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Abstract

The utility model discloses a kind of mask outlet valve, it is characterised in that the outlet valve includes:Valve deck (10), is covered in valve seat (20) upper end, and is provided with the venthole (12) of supplied gas discrepancy;Valve seat (20), top is provided with its bottom surface has the sealing ring (23) of symmetrical smooth cambered surface;Along a direction substantially perpendicular the direction of valve seat (20), air-flow guide wall (25) is additionally provided with the bottom surface of sealing ring (23) periphery, the expiration of user is discharged;Diaphragm (30), it is clamped and fastened on by valve deck (10) and valve seat (20) in outlet valve, it is circumferentially bonded curved in bent outward with sealing ring (23), the gas of user's exhalation, which is blown, makes it at diaphragm (30) curved edge and sealing ring (23) is of short duration separates, and gas is flowed into outlet valve.Outlet valve provided by the utility model can discharge the gas of characteristics of contaminated respiratory droplets in outlet valve, prevent gas from the discharge of the periphery of mask and caused by glasses haze or eyes are felt bad.

Description

A kind of mask outlet valve
Technical field
It the utility model is related to a kind of outlet valve, and in particular to a kind of mask outlet valve.
Background technology
With the aggravation of air pollution, in daily life, more and more people wear mask and resist pollution.In air Harmful substance often particle diameter very little, can pass through that quality is sparse, mask of thinner thickness, and in order to improve protection effect, people are past Toward wearing quality densification, having certain thickness mask, to be filtered to remove the haze particle in air.
However, with the lifting of the anti-haze effect of mask, consequently also bring expiratory dyspnea, feel oppressed, moisture collection the problems such as;Together When, in severe cold weather, since the expiration of heat rises naturally, glasses can be caused to haze when running into ice-cold glasses;Or heat It is uncomfortable that expiration feels bad eyes.
For these reasons, the present inventor transforms existing technology, works out a kind of expiration suitable for mask Valve.
Utility model content
In order to overcome the above problem, present inventor has performed sharp study, designs a kind of outlet valve, it is in by setting The curved surface diaphragm of crescent moon curved shape, makes expiration more smoothly;Make expiration basic by setting the air-flow guide groove perpendicular to oral area Discharged perpendicular to outlet valve, avoid that glasses haze or eyes are felt bad.
Specifically, the purpose of this utility model is to provide a kind of outlet valve suitable for mask, the outlet valve bag Include:
Valve deck 10, is covered in 20 upper end of valve seat, and is provided with the venthole 12 of supplied gas discrepancy;
Valve seat 20, is detachably installed with valve deck 10, and top is provided with the bottom surface of valve seat 20 has symmetrical smooth cambered surface Sealing ring 23;In 23 periphery of sealing ring, air-flow guide wall 25 is additionally provided with the direction of the bottom surface of valve seat 20 along a direction substantially perpendicular, with The expiration of user is discharged;
Diaphragm 30, is clamped and fastened in outlet valve by valve deck 10 and valve seat 20, it is circumferentially bonded with 23 top of sealing ring, Curved in bent outward, the gas of user's exhalation, which is blown, makes it at 30 curved edge of diaphragm and sealing ring 23 is of short duration separates, gas Flow into outlet valve.
10 outer surface of valve deck is equipped with tag slot 11, and the tag slot 11 has been provided with the figure of mark or beauty function Case.
Tag slot 11 is equipped with the 10 outer surface center of valve deck;The venthole 12 is circumferentially disposed around tag slot 11.
The upper cylinder 13 of 20 bottom surface of valve seat is provided perpendicular at the 10 inner surface center of valve deck, the upper cylinder 13 is in Hollow shape.
Muscles and bones 21 with supporting role, the hollow out at 20 bottom surface of valve seat of muscles and bones 21 are set in the sealing ring 23;
The sealing ring 23 and muscles and bones 21 correspond to oral area when in use, pass through the hollow part exhaled gas of muscles and bones 21.
The lower cylinder 22 being adapted to upper cylinder 13 is provided with 21 center of muscles and bones, the lower upper cylinder 13 of the insertion of cylinder 22 Hollow position is to be fastened and fixed.
The height of the air-flow guide wall 25 is more than the height of sealing ring 23 so that passage therebetween forms air-flow guide groove 24;When user exhales, gas is limited to the gentle conductance wall 25 of air-flow guide groove 24, discharges.
The air-flow guide wall 25 is fixed with valve deck 10;The bottom periphery of valve seat 20 is optionally provided with locating notch, The locating notch is symmetrical arranged 2.
Circular hole 31 is equipped with 30 center of diaphragm, lower cylinder 22 is sheathed on by the circular hole 31, lower cylinder 22 is inserted into Diaphragm 30 is fixedly clamped after upper cylinder 13.
The diaphragm 30 is fabricated from a flexible material.
Beneficial effect includes possessed by the utility model:
(1) outlet valve provided by the utility model is by equipped with sealing ring and muscles and bones, making to be fitted in sealing ring both sides protrusion The diaphragm at place is more easy to open so that outlet valve is more easy to discharge gas, and it is more comfortable that human body wears mask;
(2) outlet valve provided by the utility model is by equipped with the gentle conductance wall of air-flow guide groove, by the gas of characteristics of contaminated respiratory droplets Discharged perpendicular to outlet valve, prevent gas from the discharge of the periphery of mask and caused by glasses haze or eyes are felt bad;
(3) outlet valve provided by the utility model is detachable installation, therefore, all general parts in production and assembly, Be conducive to produce and assemble;
(4) outlet valve provided by the utility model has the function that check valve, extraneous air can be avoided to pass through outlet valve Into in mask;
(5) outlet valve provided by the utility model is evenly arranged with venthole, therefore more unobstructed during expiration, is not likely to produce Feel oppressed sense.
Brief description of the drawings
Fig. 1 shows the valve deck outer surface structure schematic diagram according to a kind of preferred embodiment of the utility model;
Fig. 2 shows the valve deck inner surface structure schematic diagram according to a kind of preferred embodiment of the utility model;
Fig. 3 is shown according to a kind of structure diagram of the valve seat of preferred embodiment of the utility model;
Fig. 4 is shown according to a kind of structure diagram of the diaphragm of preferred embodiment of the utility model.
Drawing reference numeral explanation:
10- valve decks
11- tag slots
12- ventholes
The upper cylinders of 13-
20- valve seats
21- muscles and bones
Cylinder under 22-
23- sealing rings
24- air-flow guide grooves
25- air-flow guide walls
30- diaphragms
31- circular holes
Embodiment
The utility model is further described below by drawings and examples.It is new by these explanations, this practicality The characteristics of type and advantage will become more apparent from clearly.
Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary " Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.Although each of embodiment is shown in the drawings In terms of kind, but unless otherwise indicated, it is not necessary to attached drawing drawn to scale.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other not Forming conflict can be combined with each other.
According to a kind of mask outlet valve provided by the utility model, each several part of the outlet valve is detachably installed, including Valve deck 10, valve seat 20 and diaphragm 30;
Wherein, valve deck 10 is covered in the upper end of valve seat 20, when in use positioned at the outermost end of outlet valve, i.e. away from human body Skin end;The venthole 12 of supplied gas discrepancy is provided with valve deck 10;
The valve deck 10 could be provided as arbitrary shape, it is preferred that the valve deck 10 is rounded, it is furthermore preferred that the valve Lid 10 is raised to outlet valve outer end, arc-shaped curved surface.
10 outer surface of valve deck is equipped with tag slot 11, and the tag slot 11 is provided with pattern, such as certain has beauty The pattern of effect, either factory trade mark or any pattern or shape with decoration function;
In a kind of preferred embodiment, tag slot 11 is equipped with the 10 outer surface center of valve deck, in this way, mark The pattern in area 11 quickly can be observed directly by other people, so as to play the effect of publicity.
The tag slot 11, which can use, the mode such as to be drawn, print, marks, is integrally formed or pastes and set pattern, is reached Mark or beauty function.
The area of the tag slot 11 is not specially limited, its is changeable, is arbitrarily changed according to different demand and purpose Become.
The position of the tag slot 11 can be arranged as required in outside outlet valve peripheral position, centre or outlet valve Circumferential edges etc., preferred identity area 11 are located at the centre of outlet valve, can have eye-catching mark action.
The venthole 12 is the through hole through valve deck 10, and gas can free in and out outlet valve.Preferably, the ventilation Hole 12 is circumferential to be uniformly distributed, and allows gas to enough uniformly pass in and out in outlet valve.
It is furthermore preferred that the venthole 12 as shown in Figure 1, arc-shaped, is sequentially connected setting, join end to end in and valve deck 10 The similar circle of shape.
In a preferred embodiment, as shown in Figure 1, the venthole 12 is circumferentially disposed around tag slot 11, energy Enough ensure that gas disengaging of the outlet valve in all directions is balanced, the not smooth breathing that will not cause to ventilate is felt oppressed sense.
In a preferred embodiment, as shown in Figure 2, it is provided perpendicular at the 10 inner surface center of valve deck The upper cylinder 13 of 20 bottom surface of valve seat, the upper cylinder 13 are in hollow shape.The upper cylinder 13 and the lower cylinder at 20 center of valve seat 22 matchings, both can fix the valve deck 10 and valve seat 20 after being inserted into.
Valve seat 20 is detachably installed with valve deck 10, therefore the shape of the two is mutually adapted.In the utility model, in valve seat 20 Bottom surface be provided with sealing ring 23, its end face has symmetrical smooth raised, and the sealing ring 23 has supporting in outlet valve The effect of diaphragm 30.
The sealing ring 23 is preferably circular, and the plane perpendicular of itself and valve seat 20 is set up, on the top of sealing ring 23, i.e., with The side that diaphragm 30 contacts, symmetrically sets up smooth raised or cambered surface, as shown in figure 3, the sealing ring 23 is not contour, it has There are symmetrical bumps to fluctuate;When diaphragm 30 is fitted in the sealing ring 23, what diaphragm 30 was symmetrically bent outwardly in both ends Curved surface.
In use, outlet valve is vertically arranged on mask, valve seat 20 is close to skin, and valve deck 10 is in mask outer end, remote Skin;It is therefore preferable that the end face of sealing ring 23 is compared in human body above-below direction in the higher of human body left and right sides during use It is low.
By the setting, the diaphragm for making to be fitted in 23 both sides high spot of sealing ring is more easy to open so that outlet valve is more easy to arrange Go out gas, it is more comfortable that human body wears mask.
The sealing ring 23 is preferably integrally formed with valve seat 20, easy to manufacture, can also improve firmness.
The lower cylinder 22 being adapted to upper cylinder 13 is provided with the bottom center of valve seat 20;
In a preferred embodiment, there is supporting role in the bottom surface of valve seat 20, the inner side of sealing ring 23, setting Muscles and bones 21, the muscles and bones 21 is in impeller shape, and the lower cylinder 22 being adapted to upper cylinder 13 is provided with 21 center staggered place of muscles and bones, The hollow position of the lower upper cylinder 13 of the insertion of cylinder 22 is fastened and fixed, identical with 20 center of valve seat at 21 center of muscles and bones.
The muscles and bones 21 is fixedly connected with sealing ring 23, is preferably integrally formed, and can avoid during use because skin Caused by contact situations such as connecting staggered.
Diaphragm 30 is clamped and fastened in outlet valve by valve deck 10 and valve seat 20, in a preferred embodiment, such as Shown in Fig. 4, circular hole 31 is equipped with 30 center of diaphragm, the circular hole 31 is set on lower cylinder 22, in the lower insertion of cylinder 22 Diaphragm 30 is stepped up to fix after cylinder 13.
The diaphragm 30 is fabricated from a flexible material, it is covered on sealing ring 23, due to its material softness, through upper cylinder 13 After being gripped with lower cylinder 22, can circumferentially it be bonded with sealing ring 23.
The diaphragm 30 can be by plastics, silica gel or the paper material preparation for having water-proof function, by setting appropriate thickness Degree can realize good be bonded with sealing ring 23.
In a preferred embodiment, the diaphragm 30 is prepared by translucent material;In preferred embodiment party In formula, valve deck 10 is made of transparent plastic material;So user can pass through valve deck 10 and diaphragm 30, it is seen that muscles and bones 21; This transparent visual effect contributes to lifting beautiful.
In the utility model, the muscles and bones 21 hollow out at 20 bottom surface of valve seat, therefore, in use, 23 He of the sealing ring Muscles and bones 21 corresponds to oral area, passes through the hollow part exhaled gas of muscles and bones 21.
In the inside of outlet valve, 23 periphery of sealing ring is arranged with air-flow guide wall 25, and the air-flow guide wall 25 is basically perpendicular to 20 bottom surface of valve seat, the passage between the gentle conductance wall 25 of sealing ring 23 form air-flow guide groove 24.
It is preferred that the height of the air-flow guide wall 25 is more than sealing ring 23, in this way, upon exhalation, gas inflow stream guide groove 24, due to being limited to the gentle conductance wall 25 of air-flow guide groove 24, it is impossible to which scattered outflow, is merely able to discharge perpendicular to valve seat 20.
The air-flow guide wall 25 is also fixed with valve deck 10, further lifts the firmness of valve deck 10 and valve seat 20;Together When, it can be ensured that gas is not spread to surrounding, is discharged in slave venthole 12 that can only be vertically.
In a kind of preferred embodiment, the valve deck 10 and the form fit of air-flow guide wall 25, the valve deck 10 Inner side size be adapted to 25 outer wall size of air-flow guide wall, valve deck 10 is covered in air-flow guide wall 25, air-flow guide wall 25 can Just the inside of valve deck 10 is entered, slightly firmly can be by the two firmly assembling.
During use, when gas breathes out, the gas of oral area is flowed by the hollow part of muscles and bones 21 into outlet valve, is run into During the bending diaphragm 30 of flexibility, since air-flow has certain pressure, diaphragm 30 can be easily blown, makes it short with sealing ring 23 Temporarily separate, gas flow outlet cover;Bending is presented after being installed due to diaphragm 30, it is preferred that the diaphragm 30 is left in human body Right laterally outside bending, therefore, gas is easier to exit into outlet valve from the of short duration gap at the place of bending right and left.
After gas enters outlet valve, the inner space of outlet valve is rapidly filled with along air-flow guide groove 24, due to air-flow guide groove The restriction effect of 24 gentle conductance walls 25, the gas of characteristics of contaminated respiratory droplets can only be discharged basically perpendicular to outlet valve.The exhaust Mode can prevent that glasses caused by gas from periphery discharge from hazing or eyes are felt bad.
Outlet valve provided by the utility model also has the function that check valve, this is because diaphragm 30 is bent outwardly, therefore, Gas is easy to discharge from inside to outside from mask during expiration;But when extraneous gas enters outlet valve, due to diaphragm 30 and sealing The physical form of ring 23, gas are difficult to blow diaphragm 30 under normal pressures, make it and sealing ring 23 is of short duration separates, thus exterior Gas is difficult to enter in mask;Equally, the exhaled gas in outlet valve can only also discharge, and cannot be introduced into mask..
The bottom periphery of the valve seat 20 is optionally provided with locating notch, and the locating notch is symmetrical arranged as two, It can make one clearly to distinguish the bending direction that outlet valve assembles rear film 30.
In a preferred embodiment, the position level that position and the protrusion of sealing ring 23 are set of the locating notch Flush, in this way, when outlet valve is installed on mask, as long as the installation position by the horizontal positioned i.e. achievable sealing ring 23 of locating notch Put and meet needs.
In the utility model, the valve deck 10 and valve seat 20 are prepared preferably using plastic material, so when industrially prepared Cost is low, while it is low to prepare difficulty.
Outlet valve can use the usual manner of this area to be installed with mask, such as can pass through valve deck 10 and valve seat 20 clamping action is fixed, and can also use to paste and fix;Ultrasonic fusing technology is can also use to be connected.
Outlet valve provided by the utility model is simple in structure, easy for installation, is conducive to industrial production;Meanwhile, it is capable to so that Gas discharge is more unobstructed, does not produce sense of feeling oppressed;It will not cause that glasses haze or eyes are felt bad in cold snap.
, it is necessary to explanation, the finger such as term " on ", " under ", " interior ", " outer " " preceding " " rear " in the description of the utility model The orientation or position relationship shown is based on the orientation or position relationship under utility model works state, is for only for ease of description The utility model and simplified description, rather than indicate or imply that signified device or element must be with specific orientation, Yi Te Fixed azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
, it is necessary to illustrate in the description of the utility model, unless otherwise clearly defined and limited, term " installation " " connected " " connection " should broadly understood.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.
The utility model is illustrated above in association with preferred embodiment, but these embodiments are only models Example property, only play the role of illustrative.On this basis, a variety of replacements and improvement can be carried out to the utility model, these Each fall within the scope of protection of the utility model.

Claims (10)

1. a kind of mask outlet valve, it is characterised in that the outlet valve includes:
Valve deck (10), is covered in valve seat (20) upper end, and is provided with the venthole (12) of supplied gas discrepancy;
Valve seat (20), is detachably installed with valve deck (10), and top is provided with the bottom surface of valve seat (20) has symmetrical smooth cambered surface Sealing ring (23);Along a direction substantially perpendicular the direction of valve seat (20), be additionally provided with air-flow on the bottom surface of sealing ring (23) periphery Guide wall (25), the expiration of user is discharged;
Diaphragm (30), is clamped and fastened in outlet valve by valve deck (10) and valve seat (20), it is circumferential with sealing ring (23) top Fitting, curved in bent outward, the gas of user's exhalation is blown makes it of short duration with sealing ring (23) at diaphragm (30) curved edge Separate, gas is flowed into outlet valve.
2. outlet valve according to claim 1, it is characterised in that valve deck (10) outer surface is equipped with tag slot (11), The tag slot (11) has been provided with the pattern of mark action.
3. outlet valve according to claim 2, it is characterised in that be equipped with tag slot at valve deck (10) the outer surface center (11);
The venthole (12) is circumferentially disposed around tag slot (11).
4. the outlet valve according to Claims 2 or 3, it is characterised in that be provided with valve deck (10) the inner surface center Upper cylinder (13) perpendicular to valve seat (20) bottom surface, the upper cylinder (13) is in hollow shape.
5. outlet valve according to claim 1, it is characterised in that set in the sealing ring (23) with supporting role Muscles and bones (21), muscles and bones (21) hollow out at valve seat (20) bottom surface;
The sealing ring (23) and muscles and bones (21) correspond to oral area when in use, pass through the hollow part exhaled gas of muscles and bones (21).
6. outlet valve according to claim 5, it is characterised in that be provided with and upper cylinder at muscles and bones (21) center (13) the lower cylinder (22) of adaptation, the hollow position of cylinder (13) in lower cylinder (22) insertion, to be fastened and fixed.
7. outlet valve according to claim 1 or 5, it is characterised in that the height of the air-flow guide wall (25) is more than sealing Ring (23) so that passage therebetween forms air-flow guide groove (24);
When user exhales, gas is limited to the gentle conductance wall (25) of air-flow guide groove (24), discharges.
8. outlet valve according to claim 7, it is characterised in that the air-flow guide wall (25) engages solid with valve deck (10) It is fixed;
The bottom periphery of valve seat (20) is optionally provided with locating notch, and the locating notch is symmetrical arranged 2.
9. outlet valve according to claim 1, it is characterised in that circular hole (31) is equipped with diaphragm (30) center, is led to Cross the circular hole (31) to be sheathed on lower cylinder (22), clamp diaphragm (30) admittedly after cylinder (13) in lower cylinder (22) insertion It is fixed.
10. outlet valve according to claim 9, it is characterised in that the diaphragm (30) is fabricated from a flexible material.
CN201721158019.4U 2017-09-11 2017-09-11 A kind of mask outlet valve Active CN207286479U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721158019.4U CN207286479U (en) 2017-09-11 2017-09-11 A kind of mask outlet valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721158019.4U CN207286479U (en) 2017-09-11 2017-09-11 A kind of mask outlet valve

Publications (1)

Publication Number Publication Date
CN207286479U true CN207286479U (en) 2018-05-01

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ID=62446398

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721158019.4U Active CN207286479U (en) 2017-09-11 2017-09-11 A kind of mask outlet valve

Country Status (1)

Country Link
CN (1) CN207286479U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109911148A (en) * 2019-03-22 2019-06-21 谢志勇 Integral type snorkel mask and preventing snorkel mask lens atomization method
CN111346311A (en) * 2020-03-12 2020-06-30 苏州乐众能源科技有限公司 A two-way breather valve and gauze mask for gauze mask

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109911148A (en) * 2019-03-22 2019-06-21 谢志勇 Integral type snorkel mask and preventing snorkel mask lens atomization method
CN109911148B (en) * 2019-03-22 2020-06-02 谢志勇 Integrated floating and diving mask and method for preventing lens of floating and diving mask from being atomized
CN111346311A (en) * 2020-03-12 2020-06-30 苏州乐众能源科技有限公司 A two-way breather valve and gauze mask for gauze mask

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