CN106853273A - A kind of filter face mask - Google Patents

Abstract

The present invention provides a kind of filter face mask.Mouth mask has the replaceable filter being associated with inlet valve, and filter also has the minimum embossment with the outer surface of mask.Mask can be by the material of substantial transparent; essentially colorless material or both; or aesthetically pleasant scheme of colour is made; and can have size, weight and design; so that mask it is physically discrete and it is not noticeable to user for it is daily or actively use; and it is not noticeable, user and pedestrian are aesthetically attracted with caution or otherwise.

Description

A kind of filter face mask

Technical field

The present invention relates to half face shield, biology, chemistry and foreign body inhalation (inhalatio) can be particularly protected a wearer from Those masks.

Background technology

In the world today, many people are concerned about themselves personal safety.Exposed to air pollutants with it is various Breathing and health of heart influence are associated.Particulate matter in air, referred to as PM, are one of main components of smog.PM is also wrapped Include the microcosmic particle in air.Two size ranges can be divided into by these particles that the mankind suck：" thin " and " thick " particle Material.

" thin " particle of the size less than 2.5 microns (PM2.5) causes the injury of maximum to health.1/20 human hair Width, these fine graineds can reach the region of wherein cell oxygen supplemental blood by suction lung deeply.They can cause breathing And respiratory disease, including stimulation, inflammation and injury of lungs and premature death.

Some PM2.5 are directly released into air from industrial chimney and automobile tail pipe, but actually in an atmosphere from it Its pollutant forms a large amount of percentages, such as sulfur dioxide (SO 2), nitrogen oxides (NO 2) sub.x) and volatile organic Compound (VOC).The main source of these other pollutants potentially includes the combustion of fossil fuel in motor vehicles, power plant and work Industry is discharged, and industrial processes and solvent vapo(u)r.

Although not having serious threat to human health as PM2.5, known covering diameter is 2.5 to 10 microns (PM<10) " thick " particle can also cause unfavorable health effect.When being inhaled into, they tend to deposit on respiratory system Top, they may finally be vented back in throat from the top of respiratory system.Coarse granule is generally maintained at it and is released to greatly Without the form of chemical conversion in gas, finally settle under the influence of gravity.Although some in these coarse granules are by sea Salt spray, wind and wave erosion, volcano dust, wind soil and pollen are spontaneous, but they are also such as built by mankind's activity Build, dismounting is dug up mine, road dust, tire wear, and soil, the process of lapping of rock or metal.

Obviously, the dangerous direct threat of particle in critical and acute air.Except above-mentioned DEP driven particle capture thing Matter, other airborne health hazards include threatening and gruesome reality, and such as serious acute respiratory syndrome (SARS) is quick-fried Hair, other imbedibilities virus and chemistry or bioweapons attack.

Typical mask protects a user from the injury of this inhalant, and can be obtained with various constructions, for example Fabric filter and bigger purification of air chemistry respirator.Although these masks are in terms of the air of purification user's suction Effectively, but they be often it is big, weight, it is opaque, it is inaesthetic, or be prominent for user.

The fabric filter of commonly known as surgical face mask is readily available, but due to its opacity aesthetically not It is pleasant.Importantly, most of surgical face masks can not be effective gas-tight seal in facial surroundings realization, so as to drop significantly Low its effect.The purification of air mask of " industry " quality, using replaceable, long-life cartridge filter also can use, and effectively prevent Steam and gas.However, industrial respirator mask is often bulky, by it is opaque or other visually inconspicuous rubber and Plastics are made, and are protruded from the both sides of user's face.

Although fabric filter mask can not realize optimum filtration due to its loose sealing, and purification of air mask Enough sealing is provided, but be in vision and physically it is prominent, it is desirable to manufactured in industry or research facilities outside The common people of personal breathing apparatus seek to filter the mask for being easy to transport, such as in wallet or briefcase；In outdoor, move or it In his activity, the everyday general purpose for air pollution and pollutant being concern is lightweight and smooth；And aesthetically fashion Or motion, or it is at least as unobvious as possible.

The content of the invention

The invention provides a kind of mask, it provides the respiratory protection for various air pollutants, aesthetically with caution, It is physically not noticeable by its light weight and smooth form, easily storage, and need not be in proper use of it is extensive Training.

There is provided the new mask that various airborne contaminants are provided with protection.Mask of the invention is intended to attractive in appearance and physics It is upper with caution and inconspicuous, and half face shield than being previously reported by is less heavy.

In one embodiment, mask includes：Visor portion, it has inner surface and the mouth for covering user's face With the outer surface of nose；One or more one-way breather valves are on the visor portion；One on the visor portion or Multiple unidirectional inlet valves；And filter, its be coupled to one or more of inlet valves and with the visor portion Outer surface minimum clearance.

Brief description of the drawings

Advantages of the present invention and spy are better understood with reference to more detailed description below in conjunction with the accompanying drawings and claim Levy, wherein identical element is presented with like reference characters, wherein：

Fig. 1 is the front view of one embodiment of mask.

Fig. 2 is the detailed view for the valve in mask.

Specific embodiment

For the best mode embodiment of the present invention proposed according to its preferred embodiment, shown in fig. 1 and 2 here Go out.However, the invention is not restricted to described embodiment, and it will be understood by those skilled in the art that without departing from of the invention In the case of basic conception, many other embodiments of the invention are possible, and any such work will also fall into this In the range of invention.It is envisioned that other patterns of the invention and configuration can be readily incorporated into the teachings of the present invention, and In order to clear and disclosed purpose is rather than in order to limit scope, only showing and describe a particular configuration.

Term " one " herein does not indicate that the limitation of quantity, but represents depositing for the project mentioned by one or more .

Mask of the invention 100 is represented in fig. 1 and 2.Mask 100 can be by suitable, flexible, substantial transparent Material constitute, such as polyvinyl chloride, polyethylene, polypropylene, silicon rubber or other mouldable materials, its be non-allergy or Non-sensitised and be suitable to the described present invention.In addition to substantial transparent, mask 100 can also be essentially colorless, Or multiple color can be used in fashion or attracting pattern or scheme.

It is 140 valves of unidirectional suction 120 and unidirectional exhalation to be attached in mask.The relative position of inlet valve can be with Fig. 1 It is opposite with the position shown in Fig. 2.All valves can be constructed in a similar way.Each valve can include being attached to mask 100 Main body in port 123, it has a flexible flap 121 contacted with valve seat 122, and for example passes through bayonet couplings 130, threaded connection, snap connection wait connect filter element mode.Assembling, or it is known to persons of ordinary skill in the art its It is suitably connected.Suction and exhalation valve can be circular, avette or other elongated, such as elongated oval or crescents Shape, its jaw line for extending laterally across wearer towards ear-lobe above mask minimizes their embossment and maximum to meet Change the Fashion Design of mask.

Flexible flap 121 can be circular or otherwise extend to meet the shape of valve, and by through The pin connection at the center of flexible flap 121 to valve remainder, as shown in Figure 1.As shown in Fig. 2 flexible flap 121 can be U-shaped so that the top of U is fixed, and the remainder of U forms sealing, and fixed flap with valve seat 122 or flexible flap Mode can be any other appropriate arrangement known to persons of ordinary skill in the art.As illustrated, as shown in Fig. 2 soft Property flap 121 can be by spoke device, grid device or the support of any other suitable device, many of which is the common skill in this area Known to art personnel.One or more flaps 121 on one or more outlet valves 140 are taken one's seat during user sucks.Phase Instead, the seating during user exhales of the flap 121 on inlet valve 120.

Inlet valve 120 can be incorporated into one in several the such valves in mask.Inlet valve 120 may be located at Several positions, such as in the lateral attitude relative to outlet valve 140, with around the basic of two inlet valves 120 of outlet valve 140 Upper equidistant arrangement, as shown in Figure 1.1, as single valve in any position.

Inlet valve 120 can be covered by filter element 180, and filter element 180 is locked in the appropriate location above valve.Cross Filter insert 180 can be by such as screw thread, press-fit buckle, bayonet type connector or known to persons of ordinary skill in the art One kind in the several modes of other connections is attached.Filter cylinder 180 forms gas-tight seal with the receiver 110 of mask so that do not have There is inhalant to leak around filter cylinder and enter the respiratory system of user.Filter can to the connecting portion of mask body With near valve, as shown in the connector 130 in Fig. 1 and 2.As depicted in figs. 1 and 2, or connecting portion can be as spiral shell Line, buckle-type buckle connector or other connectors known to persons of ordinary skill in the art are built-in in the receiver.

The described above of specific embodiment of the invention is presented for the purpose of illustration and description.They are not poor It is most or the present invention and application method are restricted to disclosed precise forms.Obviously, according to above-mentioned teaching, many modifications and change Change is possible.Selection and description embodiment be in order to best explain principle of the invention and its practical application, and so as to Enable others skilled in the art most preferably using the present invention and with being suitable to the various of expected special-purpose The various embodiments of modification.It should be appreciated that in the case where the spirit or scope of claim of the invention are not departed from, Ke Yishe Think various omissions or the replacement of equivalent, because environment can advise or be presented expedient, and be intended to covering application or realize.

Claims (6)

1. a kind of filter face mask, it is characterised in that including：

Visor portion, it has inner surface and for covering the mouth of user's face and the outer surface of nose；

One or more one-way breather valves are on the visor portion；

One or more unidirectional inlet valves on the visor portion；

Between filter, its minimum for being coupled to one or more of inlet valves and the outer surface with the visor portion Gap.

2. mask according to claim 1, it is characterised in that wherein, the user has the first ear-lobe and the second ear Hang down, and one or more of one-way sucting valves are elongated, and from the chin area of the visor portion along jaw line Region is towards the region of the visor portion near first ear-lobe of user.

3. mask according to claim 2, it is characterised in that wherein one or more of unidirectional inlet valves are from the face The lower chin region that the region of first ear-lobe of the close described user of cover portion point extends through the visor portion makes described in Second ear-lobe of user.

4. mask according to claim 2, it is characterised in that wherein, one or more of unidirectional inlet valves are series connection Two or more inlet valves installed, and from the chin area of the visor portion along the visor portion the jaw Line region is towards the region of first ear-lobe of the close user of visor portion.

5. mask according to claim 1, it is characterised in that wherein one or more of unidirectional inlet valves are the faces Two or more inlet valves in the chin area of cover portion point.

6. mask according to claim 1, it is characterised in that wherein described visor portion is fixed to institute by jointing material State the face of user.