CN203677772U - Air filter-type mask - Google Patents

Air filter-type mask Download PDF

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Publication number
CN203677772U
CN203677772U CN201320843235.8U CN201320843235U CN203677772U CN 203677772 U CN203677772 U CN 203677772U CN 201320843235 U CN201320843235 U CN 201320843235U CN 203677772 U CN203677772 U CN 203677772U
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CN
China
Prior art keywords
thin slice
intake valve
mouth
rectangular opening
flat plate
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320843235.8U
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Chinese (zh)
Inventor
马子栋
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Individual
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Individual
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Priority to CN201320843235.8U priority Critical patent/CN203677772U/en
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Publication of CN203677772U publication Critical patent/CN203677772U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an air filter-type mask. The air filter-type mask comprises a mask body and a fixing band which are connected with each other, wherein the cover body comprises a breathable outer surface layer, a filter layer and an inner surface layer which are connected in sequence from the outside to the inside; the inner surface layer comprises an edge part and an middle part which are connected with each other; the periphery of the edge part is connected with the outer surface layer; the middle part comprises a lower flat board body; the lower flat board body corresponds to a mouth in position and is provided with a mouth air-inlet one-way valve; the mouth air-inlet one-way valve comprises a mouth air-inlet valve groove which corresponds to the mouth in position; a rectangular hole is formed in the mouth air-inlet valve groove; a mouth air-inlet valve sheet covers the rectangular hole and is connected with the mouth air-inlet valve groove in the left side or the right side of the rectangular hole. The air filter-type mask is low in breath resistance, and is particularly suitable for being used by a person in occasions, when the nose is congested, the nostril breathing is not smooth, or the breathe requirement cannot be met by purely using the nostrils for breathing.

Description

Air filtering type mask
Technical field
The utility model relates to respiratory protective equipment technical field, particularly a kind of air filtering type mask.
Background technology
The mouth mask of prior art, because the mouth mask number of plies is many, structure denser, gas permeability be poor, mouth mask respiratory resistance is larger, for the elderly or child, while wearing, easily feel unsmooth breath, particularly when flu occurs that when nasal obstruction, nostril are easily congested, breathe more not smooth, bring sense of discomfort to wearer, somebody have to remove mouth mask or breathe with face, the problem existing is: while breathing with face, be easy to inspiration pollutant, can not bring into play the effect of mouth mask, be unfavorable for that people's is healthy.
Summary of the invention
The purpose of this utility model is exactly the problems referred to above that exist for solving prior art, and a kind of air filtering type mask is provided; Respiratory resistance is little, while being specially adapted to have a stuffy nose, respiratory is not smooth, or breathing through the nostrils merely can not meet under the personnel of air-breathing requirement and occasion and uses.
The technical scheme of the utility model technical solution problem is:
A kind of air filtering type mask, comprise the cover body being connected, fixed band, described cover body comprises the ventilative extexine connecting successively from outside to inside, filter course, endosexine, described endosexine comprises the marginal portion being connected, mid portion, the periphery of marginal portion is connected with extexine, described mid portion comprises lower flat plate body, lower flat plate body is corresponding with face position, lower flat plate body is provided with mouth breather check valve, described mouth breather check valve comprises the mouth intake valve groove corresponding with mouth position, on mouth intake valve groove, be provided with rectangular opening, on rectangular opening, be coated with mouth intake valve thin slice, described mouth intake valve thin slice is connected with the mouth intake valve groove on rectangular opening left side or right side.
The mouth intake valve groove on described rectangular opening left side or right side is provided with mouth intake valve groove connecting hole, mouth intake valve thin slice is provided with mouth intake valve thin slice connecting hole, mouth intake valve thin slice is connected in mouth intake valve intake valve groove plane by mouth intake valve groove connecting hole, mouth intake valve thin slice connecting hole and self-tapping screw, the area of mouth intake valve thin slice is greater than the area of rectangular opening, and mouth intake valve thin slice covers rectangular opening completely.
On the mouth intake valve groove plane on described rectangular opening left side or right side or mouth intake valve thin slice, be coated with tack coat, mouth intake valve groove surfaces is connected with mouth intake valve thin slice by tack coat.
Described lower flat plate body top is provided with upper flat plate body, and described upper flat plate body is corresponding with naris position, and upper flat plate body is connected with lower flat plate body, and the top of described upper flat plate body is provided with nostril breather check valve, bottom is provided with nostril outgassing nonreturn valve.
Described nostril breather check valve comprises is located at upper flat plate body near Yi Ce nostril, nostril intake valve groove, on the intake valve groove of nostril, be provided with rectangular opening, on rectangular opening, be coated with nostril intake valve thin slice, rectangular opening is greater than the length of vertical direction along the lateral length of the nose left and right sides, nostril intake valve thin slice is connected with the nostril intake valve groove on rectangular opening left side or right side, the area of nostril intake valve thin slice is greater than the area of rectangular opening, and nostril intake valve thin slice covers rectangular opening completely; Described nostril outgassing nonreturn valve nose comprises the air outlet valve groove of being located near on the upper flat plate body of filter course one side, on air outlet valve groove, be provided with rectangular opening, described rectangular opening is greater than the length of vertical direction along the lateral length of the nose left and right sides, on rectangular opening, be coated with air outlet valve thin slice, air outlet valve thin slice is connected with the air outlet valve groove on rectangular opening left side or right side, the area of air outlet valve thin slice is greater than the area of rectangular opening, and air outlet valve thin slice covers rectangular opening completely; The air outlet valve groove on described rectangular opening left side or right side is provided with air outlet valve groove connecting hole, air outlet valve thin slice is provided with thin slice connecting hole, air outlet valve thin slice is connected with air outlet valve groove plane by air outlet valve groove connecting hole, thin slice connecting hole and self-tapping screw, the area of air outlet valve thin slice is greater than the area of rectangular opening, and air outlet valve thin slice covers rectangular opening completely.
Between described upper flat plate body, lower flat plate body, and be connected by flexible material between upper flat plate body, lower flat plate body and marginal portion.
Described upper flat plate body, lower flat plate body employing PET or PEN plastic plate or armorplate glass or stainless steel material are made.
The beneficial effects of the utility model:
1. lower flat plate body is provided with mouth breather check valve, when mouth mask wearer is during in heavy manual labor, or in the time of rarefaction of air, and in the time that air pollution is serious, or in the time there is flu and nasal obstruction, simple leaning on when nostril is air-breathing can not meet besoin de respirer, just can breathe by mouth breather check valve gap, make up the anoxic problem of bringing due to nostril poor inspiration.Because rectangular opening is greater than along the size between upper lower lip along the size of two corners of the mouth directions, and mouth intake valve thin slice is connected with a wherein side of mouth intake valve groove, when air-breathing, mouth is around negative pressure, mouth mask external pressure is greater than mouth pressure around, under inside and outside differential pressure effect therein, this pressure reduction can be given the larger moment of mouth intake valve thin slice, for filtering rear intake valve thin slice by mouth mask, easily opened by suction air, and aperture area is large, be conducive to reduce inspiratory resistance, increase inspiratory capacity, in the time of air-breathing end or expiration, mouth intake valve thin slice recovers closed condition by the elasticity of self, now gas can not pass through this mouth breather check valve.
2. be provided with nostril intake valve groove connecting hole, nostril intake valve thin slice is provided with nostril intake valve thin slice connecting hole, and nostril intake valve thin slice is connected with nostril intake valve groove plane by nostril intake valve groove connecting hole, nostril intake valve thin slice connecting hole and self-tapping screw.In the time that nostril is air-breathing, pressure in space between endosexine and face is less than the pressure in filter course, under the effect of inside and outside differential pressure, outside gas is inwardly pushed nostril intake valve thin slice open predetermined gap, make outside air enter into the space between face, then by the suction body of nostril.
3. in the time exhaling by nostril separately, pressure in space between endosexine and face is greater than the pressure in filter course, under the effect of inside and outside differential pressure, the gas in internal voids is outwards pushed air outlet valve thin slice open predetermined gap, makes inner Bas Discharged to filter course outside.
4. between upper flat plate body, lower flat plate body, and be connected by flexible material between upper flat plate body, lower flat plate body and marginal portion, connecting portion easily deforms, mouth breather check valve and face are pressed close to, nostril breather check valve, nostril outgassing nonreturn valve and nose are pressed close to, and ensure to exhale or air-breathing effect.
5. between upper flat plate body, lower flat plate body, and be connected by flexible material between upper flat plate body, lower flat plate body and marginal portion, when in the time wearing, fasten band, due to the distortion of this connecting portion, mouth mask is out of shape but is unlikely to cause that thereby the distortion of upper flat plate body, lower flat plate body affects its flatness, avoid the problem of the check valve sealing variation causing because of upper flat plate body, lower flat plate body deformability, avoid check valve ineffective.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1.
Detailed description of the invention
In order to understand better the utility model, explain in detail embodiment of the present utility model below in conjunction with accompanying drawing.
As Fig. 1, shown in Fig. 2, a kind of air filtering type mask, comprise the cover body being connected, fixed band 4, described cover body comprises the ventilative extexine 1 connecting successively from outside to inside, filter course 3, endosexine 2, described endosexine 2 comprises the marginal portion 27 being connected, mid portion, the periphery of marginal portion is connected with extexine 1, mid portion comprises upper flat plate body 21, lower flat plate body 23, described upper flat plate body 21 is corresponding with naris position, lower flat plate body 23 is corresponding with face position, upper flat plate body 21 is connected with lower flat plate body 23, the top of described upper flat plate body 21 is provided with nostril breather check valve, bottom is provided with nostril outgassing nonreturn valve, lower flat plate body 23 is provided with mouth breather check valve.
Described lower flat plate body 23 is provided with the mouth intake valve groove corresponding with mouth position, on mouth intake valve groove, be provided with rectangular opening 233, on rectangular opening 233, be coated with mouth intake valve thin slice 232, described mouth intake valve thin slice 232 is with rectangular opening 233 left sides or right side, wherein the mouth intake valve groove of a side is connected.When mouth mask wearer is during in heavy manual labor, or in the time of rarefaction of air, and in the time that air pollution is serious, or in the time there is flu and nasal obstruction, just can not meet besoin de respirer by nostril is air-breathing time, just can breathe by mouth breather check valve gap, make up the anoxic problem of bringing due to nostril poor inspiration.Rectangular opening 233 is greater than along the size between upper lower lip along the size of two corners of the mouth directions, and mouth intake valve thin slice 232 is connected with a wherein side of mouth intake valve groove, when air-breathing, mouth intake valve thin slice 232 is easily opened by suction, and aperture area is large, be conducive to reduce inspiratory resistance, increase inspiratory capacity.
The mouth intake valve groove on described rectangular opening 233 left sides or right side is provided with mouth intake valve groove connecting hole 231, mouth intake valve thin slice 232 is provided with mouth intake valve thin slice connecting hole, mouth intake valve thin slice 232 by mouth intake valve groove connecting hole 231, mouth intake valve thin slice connecting hole and and self-tapping screw be connected in mouth intake valve groove plane, the area of mouth intake valve thin slice 232 is greater than the area of rectangular opening, and mouth intake valve thin slice covers rectangular opening completely.
On the mouth intake valve groove plane on described rectangular opening 233 left sides or right side or mouth intake valve thin slice 232, be coated with tack coat, mouth intake valve groove surfaces is connected with mouth intake valve thin slice 232 by tack coat.
Described nostril breather check valve comprises is located at upper flat plate body 21 near Yi Ce nostril, nostril intake valve groove, on the intake valve groove of nostril, be provided with rectangular opening 216, on rectangular opening 216, be coated with nostril intake valve thin slice 214, rectangular opening 216 is greater than the length of vertical direction along the lateral length of the nose left and right sides, nostril intake valve thin slice 214 is connected with the nostril intake valve groove on rectangular opening 216 left sides or right side, the area of nostril intake valve thin slice 214 is greater than the area of rectangular opening, and nostril intake valve thin slice 214 covers rectangular opening completely.
The nostril intake valve groove on described rectangular opening 216 left sides or right side is provided with nostril intake valve groove connecting hole 215, nostril intake valve thin slice 214 is provided with nostril intake valve thin slice connecting hole, and nostril intake valve thin slice 214 is connected with nostril intake valve groove plane by nostril intake valve groove connecting hole 215, nostril intake valve thin slice connecting hole and self-tapping screw.In the time that nostril is air-breathing, pressure in space between endosexine 2 and face is less than the pressure in filter course 3, under the effect of inside and outside differential pressure, outside gas is inwardly pushed nostril intake valve thin slice 214 open predetermined gap, make outside air enter into the space between face, then by the suction body of nostril.
On the nostril intake valve groove plane on described rectangular opening 216 left sides or right side or nostril intake valve thin slice 214, be coated with tack coat, nostril intake valve thin slice 214 is connected with nostril intake valve groove surfaces by tack coat.
Described nostril outgassing nonreturn valve nose comprises the air outlet valve groove of being located near on the upper flat plate body 21 of filter course one side, on air outlet valve groove, be provided with rectangular opening 213, described rectangular opening 213 is greater than the length of vertical direction along the lateral length of the nose left and right sides, on rectangular opening 213, be coated with air outlet valve thin slice 212, air outlet valve thin slice 212 is connected with the air outlet valve groove on rectangular opening 213 left sides or right side, the area of air outlet valve thin slice is greater than the area of rectangular opening, and air outlet valve thin slice 212 covers rectangular opening completely.While expiration by nostril, pressure in space between endosexine 2 and face is greater than the pressure of 3 li of filter courses, under the effect of inside and outside differential pressure, the gas in internal voids is outwards pushed air outlet valve thin slice 212 open predetermined gap, makes inner Bas Discharged to filter course outside.
The air outlet valve groove on described rectangular opening 213 left sides or right side is provided with air outlet valve groove connecting hole 211, air outlet valve thin slice 212 is provided with thin slice connecting hole, air outlet valve thin slice 212 is connected with air outlet valve groove plane by air outlet valve groove connecting hole 211, thin slice connecting hole and self-tapping screw, the area of air outlet valve thin slice is greater than the area of rectangular opening, and air outlet valve thin slice covers rectangular opening completely.
On the air outlet valve groove plane on described rectangular opening 213 left sides or right side or air outlet valve thin slice 212, be coated with tack coat, air outlet valve groove surfaces is connected by tack coat with air outlet valve thin slice 212.
Between described upper flat plate body 21, lower flat plate body 23, and be connected by flexible material 25 between upper flat plate body 21, lower flat plate body 23 and marginal portion 27, such as nonwoven, pure cotton cloth, or nontoxic medical plastic film etc., ensure that connecting portion easily deforms, nostril breather check valve, nostril outgassing nonreturn valve and nose are pressed close to, mouth breather check valve and face are pressed close to, to ensure expiration or air-breathing effect.Simultaneously, by the distortion of this connecting portion, when in the time wearing, fasten band, mouth mask is out of shape but is unlikely to cause that thereby the distortion of upper flat plate body 21, lower flat plate body 23 affects its flatness, thereby avoid being out of shape because of upper flat plate body 21, lower flat plate body 23 problem of the check valve sealing variation causing, avoid check valve ineffective.
Nostril breather check valve is located to the top of outgassing nonreturn valve, when air-breathing, gas easily enters nostril from nose filter course gap around, intake resistance is little, and air inlet is smooth and easy.During due to eupnea, expiratory airflow is downward, the nostril outgassing nonreturn valve of the direct aligned with lower of air-flow of exhaling, therefore be applied to air pressure on check valve air outlet valve thin slice 212 large, be easy to open check valve air outlet valve thin slice 212, be conducive to discharge the gas of breathing out, reduce the dirty gas that remains in mouth mask inwall.
Described upper flat plate body 21, lower flat plate body 23 adopt PET or PEN plastic plate or armorplate glass or stainless steel material to make.
By reference to the accompanying drawings the detailed description of the invention of utility model is described although above-mentioned; but the not restriction to the utility model protection domain; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendments that creative work can make or distortion still in protection domain of the present utility model.

Claims (7)

1. an air filtering type mask, comprise the cover body being connected, fixed band, described cover body comprises the ventilative extexine connecting successively from outside to inside, filter course, endosexine, described endosexine comprises the marginal portion being connected, mid portion, the periphery of marginal portion is connected with extexine, it is characterized in that, mid portion comprises lower flat plate body, lower flat plate body is corresponding with face position, lower flat plate body is provided with mouth breather check valve, described mouth breather check valve comprises the mouth intake valve groove corresponding with mouth position, on mouth intake valve groove, be provided with rectangular opening, on rectangular opening, be coated with mouth intake valve thin slice, described mouth intake valve thin slice is connected with the mouth intake valve groove on rectangular opening left side or right side.
2. air filtering type mask as claimed in claim 1, it is characterized in that, the mouth intake valve groove on described rectangular opening left side or right side is provided with mouth intake valve groove connecting hole, mouth intake valve thin slice is provided with mouth intake valve thin slice connecting hole, mouth intake valve thin slice is connected in mouth intake valve groove plane by mouth intake valve groove connecting hole, mouth intake valve thin slice connecting hole and self-tapping screw, the area of mouth intake valve thin slice is greater than the area of rectangular opening, and mouth intake valve thin slice covers rectangular opening completely.
3. air filtering type mask as claimed in claim 1, it is characterized in that, on the mouth intake valve groove plane on described rectangular opening left side or right side or mouth intake valve thin slice, be coated with tack coat, mouth intake valve groove surfaces is connected with mouth intake valve thin slice by tack coat.
4. air filtering type mask as claimed in claim 1, it is characterized in that, described lower flat plate body top is provided with upper flat plate body, described upper flat plate body is corresponding with naris position, upper flat plate body is connected with lower flat plate body, and the top of described upper flat plate body is provided with nostril breather check valve, bottom is provided with nostril outgassing nonreturn valve.
5. air filtering type mask as claimed in claim 4, it is characterized in that, described nostril breather check valve comprises is located at upper flat plate body near Yi Ce nostril, nostril intake valve groove, on the intake valve groove of nostril, be provided with rectangular opening, on rectangular opening, be coated with nostril intake valve thin slice, rectangular opening is greater than the length of vertical direction along the lateral length of the nose left and right sides, nostril intake valve thin slice is connected with the nostril intake valve groove on rectangular opening left side or right side, the area of nostril intake valve thin slice is greater than the area of rectangular opening, nostril intake valve thin slice covers rectangular opening completely, described nostril outgassing nonreturn valve nose comprises the air outlet valve groove of being located near on the upper flat plate body of filter course one side, on air outlet valve groove, be provided with rectangular opening, described rectangular opening is greater than the length of vertical direction along the lateral length of the nose left and right sides, on rectangular opening, be coated with air outlet valve thin slice, air outlet valve thin slice is connected with the air outlet valve groove on rectangular opening left side or right side, the area of air outlet valve thin slice is greater than the area of rectangular opening, and air outlet valve thin slice covers rectangular opening completely, the air outlet valve groove on described rectangular opening left side or right side is provided with air outlet valve groove connecting hole, air outlet valve thin slice is provided with thin slice connecting hole, air outlet valve thin slice is connected with air outlet valve groove plane by air outlet valve groove connecting hole, thin slice connecting hole and self-tapping screw, the area of air outlet valve thin slice is greater than the area of rectangular opening, and air outlet valve thin slice covers rectangular opening completely.
6. air filtering type mask as claimed in claim 4, is characterized in that, between described upper flat plate body, lower flat plate body, and is connected by flexible material between upper flat plate body, lower flat plate body and marginal portion.
7. air filtering type mask as claimed in claim 4, is characterized in that, described upper flat plate body, lower flat plate body employing PET or PEN plastic plate or armorplate glass or stainless steel material are made.
CN201320843235.8U 2013-12-19 2013-12-19 Air filter-type mask Expired - Fee Related CN203677772U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320843235.8U CN203677772U (en) 2013-12-19 2013-12-19 Air filter-type mask

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320843235.8U CN203677772U (en) 2013-12-19 2013-12-19 Air filter-type mask

Publications (1)

Publication Number Publication Date
CN203677772U true CN203677772U (en) 2014-07-02

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ID=50999741

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320843235.8U Expired - Fee Related CN203677772U (en) 2013-12-19 2013-12-19 Air filter-type mask

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CN (1) CN203677772U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106913968A (en) * 2015-12-24 2017-07-04 广东恒洁卫浴有限公司 Three mouthfuls of independent spray masks of sealing
CN109069886A (en) * 2016-04-21 2018-12-21 Uvex 阿贝特斯维尔茨有限公司 Breathing mask

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106913968A (en) * 2015-12-24 2017-07-04 广东恒洁卫浴有限公司 Three mouthfuls of independent spray masks of sealing
CN109069886A (en) * 2016-04-21 2018-12-21 Uvex 阿贝特斯维尔茨有限公司 Breathing mask

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140702

Termination date: 20141219

EXPY Termination of patent right or utility model