CN203989565U - A kind of anti-pollution nose breath cover - Google Patents

Abstract

An anti-pollution nose breath cover, it belongs to the technical field of safety protection equipment.This filter mantle comprises external breathing mouth, breathing mouth fixed chamber, sucks gas switch room and two suction gas filter chambers.Suck in gas filter chamber and be provided with four layers of filtering material: ground floor is the nonwoven that is adjacent to fore shell, filters conventional bulky grain dust; The second layer is granular activated carbon layer, for filtered air peculiar smell molecule and poisonous TVOC; The 3rd layer is electrostatic material adsorption layer, and the fluffy static passage of long distance is used for filtering through the front two-layer dust granules of coming; The 4th layer is the filtration that special PM2.5 filtering material is used for doing final layer.This filter mantle adopts filtering material longitudinal arrangement to increase filtration channel length, thereby has promoted filtering function and effect.The contour structures of its novelty attractive in appearance makes its comfortable wearing there is no damp and hot vexed sensation, does not wrap up skin of face, has respiratory resistance little, breathes the smooth and easy advantage that mouth drinks water and eats that do not affect again.

Description

A kind of anti-pollution nose breath cover

Technical field

The utility model relates to a kind of anti-pollution nose breath cover, and it belongs to the technical field of safety protection equipment.

Background technology

Along with the quickening of Urbanization Process In China, various pollutions are also following.The formaldehyde that house fitting pollution or working environment finishing pollution bring, benzene, volatile organic matter TVOC.It is carcinogen that formaldehyde, benzene class all can cause long-term injury to human body.The form that TVOC can evaporate is at normal temperatures present in air, and its toxicity, excitant, carcinogenicity and special smell produce acute lesion to human body.If have in the short time in above-mentioned environment, mode is exactly to wear the breath cover of adsorption capacity the most easily, carries out limited effective protection, and harm is reduced.Haze becomes the resident weather in a lot of cities of China.Now, at a lot of Urban Traffics of China, if do not wear any safeguard procedures " drinking " PM2.5 that just equals to go into the street.Haze weather is maximum to Respiratory Effect.Hundreds of Atmospheric particulates can directly enter and be attached on human body in lower respiratory tract and the lobe of the lung, and most of can suction by human body.Secondly, haze weather causes surface layer ultraviolet ray to weaken, and easily makes the increased activity of germ in air, fine particle meeting " with " bacterium, virus, come the depths of respiratory system, cause infection in respiratory system.HSPH of Harvard University proves: after finely ground particles is absorbed by the body, enter blood circulation, not only can cause myocardial infarction, also can cause myocardial ischemia or damage.The U.S. has investigated 2.5 ten thousand heart disease or the not so good people of heart, finds that PM2.5 increases after 10 microgram/cubic meters, and patient's case fatality rate can improve 10%-27%.Because urogenital system is the fastest tissue of body metabolism, particle enters blood circulation of human body and causes urogenital system pathology and infertile.In daily life, wear the mouth mask class respiratory protection product that can filter PM2.5 particle and can make people reduce the injury that aspiration contamination air brings.

As everyone knows, the protective articles such as mouth mask is easy to carry and use.But because its structure is cloth chip architecture, the protection of having limited to it can only superpose in the plane number of plies.Stepped construction also makes mouth mask filtering function single, even if increased function filter course also due to the thin poor effect that causes.In order to promote effect, just filter course need to be encrypted, the increase of the mouth mask protection number of plies, respiratory resistance also increases, and feeling of oppression and heat is just stronger, and breathing comfort is just poorer.The air-breathing expiration of common mouth mask mainly concentrates on naris position, during use, within the scope of whole parcel, all can have damp and hot sense, not only uncomfortable, and hot gas or saliva that mouth mask is breathed out get wet, its effect that intercepts germ will reduce greatly, and this warm moist can become the hotbed of more microorganisms.Mouth mask and nose cup wear summer can cause sultryyer.Often wear winter because the hot and humid gas of breathing out causes glasses fuzzy, whether wear masks and become the choice of a numerous eyeglass wearer difficult problem.

Summary of the invention

In order to solve problems of the prior art, the utility model provides a kind of anti-pollution breath cover, and the bionical nostril of this filter mantle conformation function, covers facial and nose scope is little; To meet ergonomics, the filtration path of this filter mantle length and non-sheet are filtered, to reach more outstanding filter effect.

The utility model solves the technical scheme that its technical problem adopts: a kind of anti-pollution nose breath cover, comprises fore shell and back cover.Described fore shell is divided into fore shell protuberance and the fore shell recess that is provided with air admission hole, and described back cover is divided into back cover protuberance and back cover recess; Described filter mantle inside is provided with side dividing plate with air-breathing breather valve, with lower clapboard and the upper spacer of expiration breather valve; Described side dividing plate and fore shell protuberance, back cover protuberance form suction gas filter chamber; Described suction gas is provided with nonwoven, active carbon and electrostatic material adsorption layer successively backward by fore shell protuberance place in filter chamber, and the outside of described suction gas filter chamber inboard partition is provided with PM2.5 filter course; Described side dividing plate, lower clapboard, upper spacer and fore shell recess, back cover recess form gas switch room; The top of described gas switch room is breathing mouth orientation room, which is provided with breathing mouth.

The nose breathing mouth of this filter mantle, adopts medical science silica gel material, contacts with human body is soft, and the air tight assurance of good airproof performance sucks gas all after filtering.Middle part cutting plate is divided into three parts by whole space, breathing mouth orientation room of first.Second portion gas switch room.Third part is each suction gas filter chamber of, left and right.Suck in gas filter chamber and be provided with four layers of filtering material: ground floor is the nonwoven that is adjacent to shell body, filters conventional bulky grain dust; The second layer is granular activated carbon layer, for filtered air peculiar smell molecule and poisonous TVOC; The 3rd layer is electrostatic material channel layer, and the fluffy static passage of long distance is used for filtering through the front two-layer dust granules of coming; The 4th layer is the filtration that special PM2.5 filtering material is used for doing final layer.By the filter effect of long distance in respirator, by clean air intake.When characteristics of contaminated respiratory droplets gas, the gases such as carbon dioxide will enter air exchange chamber by breathing mouth, then open expiratory one-way valve, are discharged to beyond filter mantle.The gas of breathing out is without air-breathing filtration channel.Avoided filtration system to cause reducing air-breathing filter effect and exhalation resistance to the filtration of breath.

The beneficial effects of the utility model are: this filter mantle comprises an external breathing mouth, a breathing mouth fixed chamber, a suction gas switch room and two suction gas filter chambers.Suck in gas filter chamber and be provided with four layers of filtering material: ground floor is the nonwoven that is adjacent to shell body, filters conventional bulky grain dust; The second layer is granular activated carbon layer, for filtered air peculiar smell molecule and poisonous TVOC; The 3rd layer is electrostatic material channel layer, and the fluffy static passage of long distance is used for filtering through the front two-layer dust granules of coming; The 4th layer is the filtration that special PM2.5 filtering material is used for doing final layer.By the filter effect of long distance in respirator, by clean air intake.When characteristics of contaminated respiratory droplets gas, the gases such as carbon dioxide will enter air exchange chamber by breathing mouth, then open expiratory one-way valve, are discharged to beyond filter mantle.The gas of breathing out is without air-breathing filtration channel.Avoided filtration system to cause reducing air-breathing filter effect and exhalation resistance to the filtration of breath.The nose breathing mouth of this filter mantle, adopts medical science silica gel material, contacts with human body is soft, and the air tight assurance of good airproof performance sucks gas all after filtering.

Environment friendly and pollution-free medical material and the laminating of nose nostril, the effect of small area implementation sealing air.Tradition mouth mask masked area is large, and in the time of environment heat, face can cause that uncomfortable even heat rash appears due to excessively damp and hot.Nose cup on the market covers whole nose, and nose is the position that human body is easily perspired.In the time of environment heat, the nose of perspiration is also covered by cover, more there is no comfortable saying.This novel above drawback, more comfortable hommization of just not existing.If mouth mask and face are fitted and are badly caused gas leakage beyond doubt and do not wear and have no difference.The sealing of this Novel gluing is air tight.This is novel when air-breathing, and the gas of suction enters gas switch room by one-way breather valve after four layers of filtration, then enters human body by breathing mouth.Now, exhalation passage is closed by breather valve, and gas only flows along filtration path.When sending expiration, air-breathing breather valve is closed, and exhalation passage is opened, and the metabolism gases such as carbon dioxide can directly be discharged by exhalation passage, and air-breathing expiration is taken their own roads, and all system discharges after filtration of non-traditional mouth mask air inlet expiration.Solve damp and hot sense and the weakening to filter effect of exhaling, extended the service life of filtration system simultaneously.Expiration is discharged via venthole, and the hot gas that can not discharge as traditional mouth mask, to coldly forming white mist on eyeglass, affects vision and causes potential safety hazard.This is novel filters articles for use as a kind of respiratory protection, only nose is sucked to gas and filters, and protection wearer breathes safety.Mouth can normally drink water eat etc. unaffected.Even if having accomplished drinks water has a meal and also can breathe the air after filtering, wear after mouth mask must be taken respiratory system is come out, could eat and drink.This novel good looking appearance, has certain ornamentally, when mouth also needs to protect, does not affect and wears mouth mask again.When eye need to protect, do not affect the safety goggles of wearing large eyeglass and needing sealing.Private protective articles is carried out sterilization and is deposited, refusal cross-reference.

This breath cover, the method worn the same as mouth mask, only has naris position but cover face, and good airproof performance is air tight, does not have the damp and hot vexed sense of face.In the time of the protector such as cold day wearing spectacles, do not affect its protective action of potential safety hazard that does not yet produce the white mist of eyeglass and be that it pollute peculiar smell and dust granules etc. in can filtered air and guarantee clean breathing.This breath covers on the sealing shroud that nostril sealing place adopts medical silica-gel to make, and the both artistic and practical ergonomics shell body that meets that adopts medical plastic to make is worn on place, nostril with stretch cord, makes it be fixed on upper lip part.The filter course thickness of this breath cover can be put to good use at whole interiors of products, breaks through conventional monolayers structure, and the Electrostatic Absorption passage of long distance is filtered air more fully.And the air-breathing breather valve different from the employing of exhaling controlled, and it is taken their own roads to make gas.Breathe effect and service life that two actions are independent of each other and have increased filter material.

Accompanying drawing explanation

Below in conjunction with accompanying drawing 1 and embodiment, the utility model is described in further detail.

Fig. 1 is a kind of front view of anti-pollution nose breath cover.

Fig. 2 is the cutaway view of A-A in Fig. 1.

Fig. 3 is a kind of rearview of anti-pollution nose breath cover.

In figure: 1, breathing mouth, 1a, upper spacer, 2, fore shell, 2a, fore shell protuberance, 2b, fore shell recess, 3, PM2.5 filter course, 4, air-breathing breather valve, 4a, side dividing plate, 5, expiration breather valve, 5a, lower clapboard 6, back cover, 6a, back cover protuberance, 6b, back cover recess, 7, nonwoven, 8, active carbon layer, 9, electrostatic material adsorption layer.

The specific embodiment

Fig. 1, Fig. 2 and Fig. 3 show a kind of anti-pollution nose breath cover, comprise fore shell 2 and back cover 6, and fore shell 2 is divided into fore shell protuberance 2a and the fore shell recess 2b that is provided with air admission hole 10, and back cover 6 is divided into back cover protuberance 6a and back cover recess 6b.Filter mantle inside is provided with side dividing plate 4a with air-breathing breather valve 4, with lower clapboard 5a and the upper spacer 1a of expiration breather valve 5; Side dividing plate 4a and fore shell protuberance 2a, back cover protuberance 6a form suction gas filter chamber; Suck in gas filter chamber and be provided with backward successively nonwoven 7, active carbon 8 and electrostatic material adsorption layer 9 by fore shell protuberance 2a place, the outside that sucks the inboard partition 4a of gas filter chamber is provided with PM2.5 filter course 3; Side dividing plate 4a, lower clapboard 5a, upper spacer 1a and fore shell recess 2b, back cover recess 6b form gas switch room.The top of gas switch room is breathing mouth orientation room, which is provided with breathing mouth 1.

While adopting technique scheme work, above the fore shell protuberance 2a of the fore shell 2 of this filter mantle, have the air admission hole 10 that imports for extraneous air several.Nonwoven 7 is placed on air admission hole 10 places of fore shell 2, as common filter course, be mainly used to the pollutant such as dust bulky grain in filtered air, then active carbon layer 8 is positioned over nonwoven 7 after, the adsorption capacity of active carbon 8 can effectively absorb gas with foreign flavor and dusty gas, alleviates gas pollutant content in air.Now, the particulates after filtration enter large-area electrostatic material adsorption layer 9 regions, are progressively blocked.After the last filtration of last gas via special PM2.5 filter course 3, enter gas switch room, by breathing mouth 1, enter human body nasal cavity, complete aspiratory action.The breather valve 5 of now exhaling guarantees that in closed condition gas all just enters human body after filtering.When sending exhale action, human body gas passes through breathing mouth 1 by nasal cavity and imports gas switch room, now, air-breathing breather valve 4 in closed condition and expiration breather valve 5 in open mode.At this moment, breath is discharged in air via expiration breather valve 5 smoothly and without filtration system, has avoided filtration system to be subject to the drawback of breath impact.

Claims (1)

1. an anti-pollution nose breath cover, comprise fore shell (2) and back cover (6), it is characterized in that: described fore shell (2) is divided into fore shell protuberance (2a) and the fore shell recess (2b) that is provided with air admission hole (10), and described back cover (6) is divided into back cover protuberance (6a) and back cover recess (6b); Described filter mantle inside is provided with the side dividing plate (4a) with air-breathing breather valve (4), lower clapboard (5a) and the upper spacer (1a) of band expiration breather valve (5); Described side dividing plate (4a) forms and sucks gas filter chamber with fore shell protuberance (2a), back cover protuberance (6a); In described suction gas filter chamber, by fore shell protuberance (2a), locate to be provided with backward successively nonwoven (7), active carbon (8) and electrostatic material adsorption layer (9), the outside of described suction gas filter chamber's inboard partition (4a) is provided with PM2.5 filter course (3); Described side dividing plate (4a), lower clapboard (5a), upper spacer (1a) form gas switch room with fore shell recess (2b), back cover recess (6b); The top of described gas switch room is breathing mouth orientation room, which is provided with breathing mouth (1).