CN203915821U - A kind of breather valve - Google Patents
A kind of breather valve Download PDFInfo
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- CN203915821U CN203915821U CN201420309311.1U CN201420309311U CN203915821U CN 203915821 U CN203915821 U CN 203915821U CN 201420309311 U CN201420309311 U CN 201420309311U CN 203915821 U CN203915821 U CN 203915821U
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- upper cover
- base
- breather valve
- membrane
- valve opening
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Abstract
The utility model provides a kind of breather valve, comprise upper cover, membrane and base, on cover breathing port be set, valve opening is set on base, and upper cover and base link together and between the two, form cavity, and membrane is arranged in cavity and covers valve opening, the front of described upper cover arranges to cavity outer projection from top to bottom, the front upper thickness of upper cover is less than bottom thickness, and described breathing port is at least arranged on the front of upper cover, and/or side.The front of the upper cover of breather valve of the present utility model arranges to cavity outer projection from top to bottom, the front upper thickness of upper cover is less than bottom thickness, described breathing port is separately positioned on front and the side of upper cover, make breather valve upper cover monnolithic case of the present utility model be similar to the shape of " nose ", such setting meets the flow direction of breath more, make the discharge of gas more smooth, make user there is better user and experience.
Description
Technical field
The utility model relates to protection and purifies articles for use technical field, particularly, relates to a kind of breather valve.
Background technology
Along with social high speed development, some environmental problems are also more and more serious, even started to threaten people's life, and haze is exactly one the most outstanding in these environmental problems.
Mist---mist is by the aerosol systems that is suspended in a large number small water droplet in surface air or ice crystal and forms.
(m á i), also claims the particles such as the airborne dust of gray haze (mist and clouds in the twilight), sulfuric acid, nitric acid, organic carbon hydrogen compound also can make atmosphere muddiness to haze---haze.
These three of sulfur dioxide, nitrogen oxide and pellets are haze chief components, and the above two are gaseous contaminant, and last particle is only and increases the weight of the arch-criminal that haze weather pollutes.They and fog combine, and allow sky moment become dusky.The english abbreviation of particle is PM, and for example that certain city monitoring is PM10, and namely aerodynamics equivalent diameter is less than or equal to the contaminant particle of 10 microns.
In the last few years, along with air quality runs down, the haze weather phenomenon frequency of occurrences is more and more higher, they invade in human respiratory tract and the lobe of the lung when people have no to take precautions against, thereby cause the diseases such as respiratory disease, disease of cardiovascular system, hematological system, reproductive system, inflammation such as sphagitis, pulmonary emphysema, asthma, rhinitis, bronchitis, also can bring out lung cancer, myocardial ischemia and damage in this environment for a long time.
How to prevent that haze from causing infringement to people's health? wear and can prevent that the mouth mask of haze from being a most simple and effective measure, but the mouth mask of existing anti-haze can prevent the suction of haze air mostly, but the gas that can not make people breathe out is discharged timely, make people can not obtain good use impression.
Therefore, how to make the mouth mask of anti-haze can effectively prevent the suction of haze, can ensure in time again the discharge of breath, there is simple structure simultaneously, the more convenient problem that becomes our solution of needs is installed.
Utility model content
In order to address the above problem, the utility model provides a kind of breather valve, is mainly used on the mouth mask of anti-haze.Particularly, adopted following technical scheme:
A kind of breather valve, comprise upper cover, membrane and base, on cover breathing port be set, valve opening is set on base, and upper cover and base link together and between the two, form cavity, and membrane is arranged in cavity and covers valve opening, the front of described upper cover arranges to cavity outer projection from top to bottom, the front upper thickness of upper cover is less than bottom thickness, and described breathing port is at least arranged on the front of upper cover, and/or side.
Further, the front of described upper cover is streamlined level and smooth setting from top to bottom.
Further, described breathing port arranges respectively the positive half area of upper cover, left and right sides and the bottom sides of upper cover.
Further, described base is two hierarchical structures, comprises pedestal base and base body, and described valve opening is arranged on the middle part of base body; Described upper cover comprises upper cover pedestal and upper cover main body, and the front of upper cover main body arranges to cavity outer projection from top to bottom, and described upper cover pedestal and pedestal base fit in the time of assembling.
Further, multiple longitudinal ribs position and horizontal bar position are set in described upper cover main body, longitudinal rib position is arranged on front and the bottom sides of upper cover, and horizontal bar position arranges the left and right sides of upper cover; Between described longitudinal rib position, and form respectively and breathe port between longitudinal rib position and horizontal bar position.
Further, the center of the valve opening of described base arranges erection column, between erection column and valve opening inwall, brace rod is set, and described membrane is arranged on erection column.
Further, the height of the upper surface of described brace rod reduces to erection column place gradually from the inwall of valve opening, makes brace rod form a recess in the inside of valve opening.
Further, a cylinder is protruded in the inwall center of described upper cover, and a circular hole is offered in the center of cylinder, and described erection column inserts in circular hole in the time of assembling.
Further, on the surrounding outer wall of described base, recess is set respectively, on the surrounding inwall of described upper cover, protuberance is set respectively, the installation that matches with recess of described protuberance.
Further, the center of described membrane is provided with convex shoulder, and the one side that membrane is not provided with convex shoulder is attached on base, membrane be provided with convex shoulder one facing to upper cover; Described convex shoulder center arranges installing hole.
The front of the upper cover of breather valve of the present utility model arranges to cavity outer projection from top to bottom, the front upper thickness of upper cover is less than bottom thickness, described breathing port is separately positioned on front and the side of upper cover, make breather valve upper cover monnolithic case of the present utility model be similar to the shape of " nose ", such setting meets the flow direction of breath more, make the discharge of gas more smooth, make user there is better user and experience.
A kind of breather valve that the utility model provides, because the effect of membrane can only realize unidirectional unlatching, be applicable to anti-haze mouth mask, when air-breathing, breather valve cuts out, do not possess the effect of anti-haze to prevent haze from being sucked by people from breather valve, in the time exhaling, breather valve is opened, and can in time the gas of breathing out be discharged, and is more of value to user's health.
Brief description of the drawings
Fig. 1 explosive view of the present utility model;
The internal structure schematic diagram of Fig. 2 upper cover of the present utility model;
The structural representation of Fig. 3 base of the present utility model.
Attached number in the figure explanation: 100-upper cover 110-upper cover pedestal 120-breathes 140-horizontal bar position, port 130-longitudinal rib position 150-cylinder 160-upper cover main body 200-membrane 210-installing hole 220-convex shoulder 300-base 310-pedestal base 320-base body 330-valve opening 340-erection column 350-brace rod.
Detailed description of the invention
Below in conjunction with accompanying drawing, a kind of breather valve of the present utility model is described in detail:
As shown in Figure 1, a kind of breather valve providing for the utility model, comprise upper cover 100, membrane 200 and base 300, on upper cover 100, arrange and breathe port 120, valve opening 330 is set on base 300, upper cover 100 and base 300 link together and between the two, form cavity, membrane 200 is arranged in cavity and covers valve opening 330, the front of described upper cover 100 arranges to cavity outer projection from top to bottom, the front upper thickness of upper cover 100 is less than bottom thickness, described breathing port 120 is at least arranged on the front of upper cover 100, and/or side.
The front of the upper cover 100 of breather valve of the present utility model arranges to cavity outer projection from top to bottom, the front upper thickness of upper cover 100 is less than bottom thickness, described breathing port 120 is separately positioned on front and the side of upper cover 100, make breather valve upper cover 100 monnolithic cases of the present utility model be similar to the shape of " nose ", such setting meets the flow direction of breath more, make the discharge of gas more smooth, make user there is better user and experience.
As preferably embodiment of one of the present utility model, the front of described upper cover 100 is streamlined level and smooth setting from top to bottom.Can make like this gas of breathing out from nose discharge smoothly along the inwall of streamlined upper cover 100, meanwhile, can make the outer wall landing of outside dust along streamlined upper cover 100, prevent from that dust from entering in breather valve to pollute.
As preferably embodiment of one of the present utility model, described breathing port 120 arranges respectively left and right sides and the bottom sides of the positive half area of upper cover 100, upper cover 100.Be arranged so that like this upper cover 100 of the present utility model has advantages of as follows:
First, breathing port 120 arranges multiple, has increased to greatest extent the capacity of breath;
Secondly, breathe the position that port 120 arranges, more meet the flow direction of breath, gas is discharged more smooth;
Finally, breathe port 120 and be arranged on the positive half area of upper cover, left and right sides and the bottom sides of upper cover 100, and upper area is not set, can prevent that like this dust from falling in the cavity of breather valve, and it is polluted.
As preferably embodiment of one of the present utility model, base 300 is two hierarchical structures, comprises pedestal base 310 and base body 320, and described valve opening 330 is arranged on the middle part of base body 320; Described upper cover 100 comprises upper cover pedestal 110 and upper cover main body 160, and the front of upper cover main body 160 arranges to cavity outer projection from top to bottom, and described upper cover pedestal 110 and pedestal base 310 fit in the time of assembling.
The overall structure of breather valve of the present utility model is square, the inner cavity that forms after described upper cover 100 and base 300 are assembled together, and membrane 200 is arranged on base and covers valve opening 330.When people carry out respiration, in the time exhaling, the pressure of breath forces membrane 200 to turn up, and between membrane 200 and valve opening 330, produces gap, thereby the gas of breathing out is discharged; When air-breathing, membrane 200 is restored the atmospheric pressure of external environment and valve opening 330 fits tightly, thereby prevent that extraneous contaminated air from directly being sucked by human body through breather valve without the filtration of mouth mask.Therefore, breather valve of the present utility model is simple in structure, easy for installation, can realize the effect of one-way exhaust, has guaranteed the validity of anti-haze mouth mask.
As shown in Figure 3, as a kind of preferred embodiment of the present utility model, for the convenient membrane 200 of installing, in the center of the valve opening 330 of described base 300, erection column 340 is set, between erection column 340 and valve opening 330 inwalls, brace rod 350 is set, described membrane 200 is arranged on erection column 340.
As a kind of preferred embodiment of the present utility model, in order to ensure that check valve sheet 200 can fit tightly with valve opening 330, guarantee sealing property, the height of the upper surface of described brace rod 350 reduces to erection column 340 places gradually from the inwall of valve opening 330, makes brace rod 350 form a recess in the inside of valve opening 330.Like this, when air-breathing, under the pressure-acting of ambient pressure, the middle part of membrane 200 caves inward and recess laminating, and the edge of membrane 200 and valve opening 330 fit tightly, and has guaranteed the sealing property when air-breathing, effectively prevents " gas leakage ".
As a kind of preferred embodiment of the present utility model, described brace rod 350 comprises 3-9, and brace rod 350 is by valve opening 330 deciles.As shown in Figure 3, the brace rod 350 in the present embodiment is provided with 6.
As shown in Figure 2, in order to coordinate the installation of the erection column 340 on base 300, a cylinder 150 is protruded in the inwall center of upper cover main body 160 of the present utility model, and a circular hole is offered in the center of cylinder 150, and described erection column 340 inserts in circular hole in the time of assembling.Such structure is not only simple, and simple to operation when mounted, has guaranteed the stability that membrane 200 is installed.
Mounting means between upper cover 100 of the present utility model and base 300 is clamping, can be easy for installation and removal like this, therefore on the surrounding outer wall of described base body 320, recess 360 is set respectively, on the surrounding inwall of described upper cover pedestal 110, protuberance 170 is set respectively, the installation that matches with recess 360 of described protuberance 170.
Therefore, breather valve of the present utility model when mounted, is first enclosed within membrane 200 on erection column 340, and after then the circular hole on the pillar of upper cover 100 150 being alignd with erection column 340, firmly extruding, makes protuberance 170 stick into recess 360, completes assembling.
Upper cover 100 of the present utility model engages by protuberance 170 and recess 360 with base 300, and the air-tightness after engagement meets GB2626 standard, reaches:
A) bleed flow velocity while having reached 500ml/min, system negative pressure does not reach 1180Pa;
B) outlet valve returns to normal pressure time < 20s.
The utility model, in order to facilitate the clamping between upper cover 100 and base 300, is selected no material on material selection, valve gap is ABS, and valve seat is PP.Polypropylene English name: Polypropylene, is called for short: PP, is commonly called as: polypropylene (PP).Polypropylene is the representative of poly alpha olefin, a kind of thermoplastic resin being made by propylene polymerization, and monomer whose is propylene CH2=CH-CH3.Polypropylene (PP) is one lighter in common plastics, and its electrical property excellence can be used as the application of wet-heat resisting high-frequency insulation material.PP belongs to crystalline polymer, when melt condensation because of specific volume change greatly, the high shrinkage factor (1.0%-1.5%) greatly that presents of degree of molecular orientation.PP is under molten condition, and the effect that reduces its viscosity with heating up is little.Plastics ABS resin is current production rate maximum, most widely used polymer, it is PB, PAN, the various performances of PS are organically united, have concurrently tough, hard, just balanced good mechanical property mutually.ABS is acrylonitrile, butadiene and cinnamic terpolymer, and A represents acrylonitrile, and B represents butadiene, and S represents styrene.Owing to thering are three kinds of compositions, and give its good performance; Acrylonitrile is given the chemical stability, oil resistivity of ABS resin, certain rigidity and hardness; Butadiene increases its toughness, impact and cold resistance; Styrene makes it have good dielectric properties, and presents good processability.Most of ABS is nontoxic, waterproof, but slightly permeable steam, and water absorption rate is low, and 1 year water absorption rate of room temperature immersion is no more than 1% and physical property does not change.Upper cover 100 of the present utility model and base 300 adopt respectively different materials, because PP plastics are different with my hardness of ABS plastic, make both clampings convenient.As a kind of preferred embodiment of the present utility model, upper cover main body 160 of the present utility model is one-body molded, entirety presents the shape of " cap ", multiple longitudinal ribs position 130 and horizontal bar position 140 are set in described upper cover main body 160, between described longitudinal rib position 130, and form respectively and breathe port 120 between longitudinal rib position 130 and horizontal bar position 140.Described horizontal bar position 140 and longitudinal rib position 130 are respectively the direction setting to center along the edge of upper cover main body 160.Breathing port 120 of the present utility model is mainly used in the discharge of breath, and therefore, the quantity that breathing port 120 arranges is determined by the area of single breathing port, because everyone each respiratory capacity is more or less the same substantially.
As a kind of preferred embodiment of the present utility model, the center of described membrane 200 is provided with convex shoulder 220, and the one side that membrane 200 is not provided with convex shoulder 220 is attached on base 300, membrane 200 be provided with convex shoulder 220 one facing to upper cover 100.Convex shoulder 220 the stability maintenance that has ensured membrane 200 is set, prevent that it from sliding on erection column 340, causes poor sealing.
As a kind of preferred embodiment of the present utility model, convex shoulder 220 centers of described membrane 200 arrange installing hole 210, and installing hole 210, for being enclosed within erection column 340, is conveniently installed.
As a kind of preferred embodiment of the present utility model, described membrane 200 is circular silica gel thin film.
Fixing centered by membrane 200 of the present utility model, play while expiration and open evenly, the good effect of closed air-tightness when air-breathing.
Because breather valve of the present utility model is mainly used on anti-haze mouth mask, need to ensure that breather valve of the present utility model keeps certain clean level, therefore the utility model has all added antibacterial matrices in the material of upper cover 100, membrane 200 and base 300, makes it all to have bacteriostasis property; Described antibacterial matrices is silver ion phosphate laminate, and adding proportion is 5%～10%.Concrete addition manner is: antibacterial matrices and plastic pellet carry out injection moulding after evenly mixing; Antimicrobial silicon blob of viscose adds during fabrication, then carries out cross cutting.
The above is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model, any technical staff who is familiar with this patent is not departing within the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned prompting to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solutions of the utility model, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of the utility model scheme.
Claims (10)
1. a breather valve, comprise upper cover (100), membrane (200) and base (300), on upper cover (100), arrange and breathe port (120), valve opening (330) is set on base (300), upper cover (100) and base (300) link together and between the two, form cavity, membrane (200) is arranged in cavity and covers valve opening (330), it is characterized in that, the front of described upper cover (100) arranges to cavity outer projection from top to bottom, the front upper thickness of upper cover (100) is less than bottom thickness, described breathing port (120) is at least arranged on the front of upper cover (100), and/or side.
2. a kind of breather valve according to claim 1, is characterized in that, the front of described upper cover (100) is streamlined level and smooth setting from top to bottom.
3. a kind of breather valve according to claim 1, is characterized in that, described breathing port (120) arranges respectively the positive half area of upper cover (100), left and right sides and the bottom sides of upper cover (100).
4. a kind of breather valve according to claim 1, it is characterized in that, described base (300) is two hierarchical structures, comprise pedestal base (310) and base body (320), described valve opening (330) is arranged on the middle part of base body (320); Described upper cover (100) comprises upper cover pedestal (110) and upper cover main body (160), the front of upper cover main body (160) arranges to cavity outer projection from top to bottom, and described upper cover pedestal (110) and pedestal base (310) fit in the time of assembling.
5. a kind of breather valve according to claim 4, it is characterized in that, multiple longitudinal ribs position (130) and horizontal bar position (140) are set in described upper cover main body (160), longitudinal rib position (130) is arranged on front and the bottom sides of upper cover (100), and horizontal bar position (140) arrange the left and right sides of upper cover (100); Between described longitudinal rib position (130), and form respectively and breathe port (120) between longitudinal rib position (130) and horizontal bar position (140).
6. a kind of breather valve according to claim 1, it is characterized in that, the center of the valve opening (330) of described base (300) arranges erection column (340), between erection column (340) and valve opening (330) inwall, brace rod (350) is set, described membrane (200) is arranged on erection column (340).
7. a kind of breather valve according to claim 6, it is characterized in that, the height of the upper surface of described brace rod (350) is located to reduce gradually to erection column (340) from the inwall of valve opening (330), makes brace rod (350) form a recess in the inside of valve opening (330).
8. a kind of breather valve according to claim 6, it is characterized in that, a cylinder (150) is protruded in the inwall center of described upper cover (100), a circular hole is offered in the center of cylinder (150), and described erection column (340) inserts in circular hole in the time of assembling.
9. a kind of breather valve according to claim 1, it is characterized in that, on the surrounding outer wall of described base (300), recess (360) is set respectively, on the surrounding inwall of described upper cover (100), protuberance (170) is set respectively, the installation that matches with recess (360) of described protuberance (170).
10. according to a kind of breather valve described in claim 1-9 any one, it is characterized in that, the center of described membrane (200) is provided with convex shoulder (220), it is upper that the one side that membrane (200) is not provided with convex shoulder (220) is attached to base (300), membrane (200) be provided with convex shoulder (220) one facing to upper cover (100); Described convex shoulder (220) center arranges installing hole (210).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420309311.1U CN203915821U (en) | 2014-06-11 | 2014-06-11 | A kind of breather valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420309311.1U CN203915821U (en) | 2014-06-11 | 2014-06-11 | A kind of breather valve |
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| Publication Number | Publication Date |
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| CN203915821U true CN203915821U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420309311.1U Active CN203915821U (en) | 2014-06-11 | 2014-06-11 | A kind of breather valve |
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| CN (1) | CN203915821U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105749443A (en) * | 2016-04-22 | 2016-07-13 | 何长江 | Cleanable membrane breather valve |
| CN105797289A (en) * | 2016-04-22 | 2016-07-27 | 王昊仑 | Bidirectional ventilating breather valve |
| CN105935170A (en) * | 2016-06-15 | 2016-09-14 | 辽宁石油化工大学 | Air-washing type anti-haze mask |
| GB2538284A (en) * | 2015-05-14 | 2016-11-16 | Jsp Ltd | Wearable protective device |
| CN106723523A (en) * | 2017-03-10 | 2017-05-31 | 遂昌维康竹炭开发有限公司 | A kind of band breather valve haze mouth mask |
| CN108567186A (en) * | 2017-03-14 | 2018-09-25 | 山东鑫海新材料股份有限公司 | A kind of mask with haze function |
| CN108635690A (en) * | 2018-03-08 | 2018-10-12 | 边义军 | A kind of mask breather valve capable of releasing negative ion |
| CN109349704A (en) * | 2018-10-31 | 2019-02-19 | 名典上品（北京）信息技术有限公司 | A kind of protective mask |
| CN111156335A (en) * | 2020-01-03 | 2020-05-15 | 国电联合动力技术有限公司 | Wind-powered electricity generation blade root platform respiratory device, wind-powered electricity generation blade and wind turbine generator system |
| CN111330178A (en) * | 2020-04-01 | 2020-06-26 | 科特亚照明(上海)有限公司 | Sterilizing mask |
-
2014
- 2014-06-11 CN CN201420309311.1U patent/CN203915821U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2538284A (en) * | 2015-05-14 | 2016-11-16 | Jsp Ltd | Wearable protective device |
| GB2538284B (en) * | 2015-05-14 | 2021-05-05 | Jsp Ltd | Wearable protective device |
| CN105749443A (en) * | 2016-04-22 | 2016-07-13 | 何长江 | Cleanable membrane breather valve |
| CN105797289A (en) * | 2016-04-22 | 2016-07-27 | 王昊仑 | Bidirectional ventilating breather valve |
| CN105935170A (en) * | 2016-06-15 | 2016-09-14 | 辽宁石油化工大学 | Air-washing type anti-haze mask |
| CN106723523A (en) * | 2017-03-10 | 2017-05-31 | 遂昌维康竹炭开发有限公司 | A kind of band breather valve haze mouth mask |
| CN108567186A (en) * | 2017-03-14 | 2018-09-25 | 山东鑫海新材料股份有限公司 | A kind of mask with haze function |
| CN108635690A (en) * | 2018-03-08 | 2018-10-12 | 边义军 | A kind of mask breather valve capable of releasing negative ion |
| CN109349704A (en) * | 2018-10-31 | 2019-02-19 | 名典上品（北京）信息技术有限公司 | A kind of protective mask |
| CN111156335A (en) * | 2020-01-03 | 2020-05-15 | 国电联合动力技术有限公司 | Wind-powered electricity generation blade root platform respiratory device, wind-powered electricity generation blade and wind turbine generator system |
| CN111156335B (en) * | 2020-01-03 | 2021-03-12 | 国电联合动力技术有限公司 | Wind-powered electricity generation blade root platform respiratory device, wind-powered electricity generation blade and wind turbine generator system |
| CN111330178A (en) * | 2020-04-01 | 2020-06-26 | 科特亚照明(上海)有限公司 | Sterilizing mask |
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