CN209679342U - A kind of mask filter element - Google Patents
A kind of mask filter element Download PDFInfo
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- CN209679342U CN209679342U CN201822125079.7U CN201822125079U CN209679342U CN 209679342 U CN209679342 U CN 209679342U CN 201822125079 U CN201822125079 U CN 201822125079U CN 209679342 U CN209679342 U CN 209679342U
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- filter element
- mask
- breathing
- air
- filtering material
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Abstract
The utility model discloses a kind of mask filter elements, the filter element is stereo hollow airtight cavity structure, its surrounding is filter layer made of filtering material, it is provided with the skeleton for being used to support filtering material in the cavity, outside air enters inside cavity after the filtering of the filtering material of filter element surrounding, air entry of the clean air outlet as mask is provided on the filter element, the air entry of the filter element is connected to the breathing mask of mask, the filtered pure air of inside cavity enters breathing mask by the clean air outlet of filter element.The utility model is compared with traditional Respirator structure, the inlet air filtration area of mask is substantially increased, the memory capacity of pure air is increased, to significantly reduce the inspiratory resistance of mask, it solves the problems, such as that traditional mask air-breathing is felt oppressed, while having the characteristics that replacement filter element is convenient.
Description
Technical field
The utility model belongs to breathing and technical field of air purification, in particular to a kind of mask filter element.
Background technique
2013, " haze " became annual keyword.In January in the same year, 4 haze processes shroud 30 provinces (area, city), in north
Capital, only 5 days are not haze skies.There is report to show, in 500 cities of Largest In China, reaches generation only less than 1% city
The air quality standard of boundary's Health Organisation recommendations, at the same time, in the world pollute most serious 10 cities have 7 in China.
On January 4th, 2014, national mitigation is done, the haze weather of harm health is included in nature in 2013 for the first time by Ministry of Civil Affairs
The condition of a disaster is notified to.
The maximum ingredient of harm to the human body is PM2.5 in haze, and the sucking of PM2.5 can directly injure respiratory system and the heart
Vascular system, including respiratory tract it is stimulated, cough, have difficulty in breathing, reduce lung function, aggravate asthma, cause chronic bronchitis,
Arrhythmia cordis, the premature death of non-lethal heart disease and cardiopulmonary patient, lung cancer etc..Global annual about 2,000,000 it is too early
The Particulate Pollutions such as death and PM2.5 are related.
Haze and the personal protective equipment appearance of breathing do not meet ergonomic features generally at present, plain, big portion
Point non-exchange filter core of mask or replacement filter core are inconvenient, and air-breathing is felt oppressed unsmooth, and inspiratory resistance is excessive, and long-time service will not in this way
Conducive to human health.
Utility model content
The goal of the invention of the utility model is, in view of the above problems, provides a kind of with replacement filter element
It is convenient, and can reduce the inspiratory resistance of mask, alleviate the ventilator inspiratories such as mask, mask feel oppressed problem mask filtering it is single
Member.
The technical solution of the utility model is achieved in that a kind of mask filter element, it is characterised in that: the filtering
Unit is stereo hollow airtight cavity structure, and surrounding is filter layer made of filtering material, is provided in the cavity for branch
The skeleton of filtering material is supportted, outside air enters inside cavity after the filtering of the filtering material of filter element surrounding, in the mistake
Air entry of the clean air outlet as mask, the air entry of the filter element and the respiratory surface of mask are provided on filter unit
Cover connection, the filtered pure air of inside cavity enter breathing mask by the clean air outlet of filter element.
Mask filter element described in the utility model, is provided with one-way intake at the air entry of the filter element
Valve.
Mask filter element described in the utility model is provided with exhalation vents, the filtering on the filter element
The exhalation vents of unit are connected to the breathing mask of mask, are provided with one-way breather valve at the exhalation vents of the filter element.
Mask filter element described in the utility model, the filter element are pressed on breathing mask by detachable
On.
Mask filter element described in the utility model is provided with joint for respiratory device on the filter element, described to exhale
The outboard end of suction head and the outer filter material of filter element are tightly connected, the inner end of the joint for respiratory device and filter element
Internal layer filtering material be tightly connected, the outboard end of the joint for respiratory device is expiration interface, and the inner end of the joint for respiratory device is
Air-breathing interface, is provided at least one suction hole on the outer peripheral surface of the joint for respiratory device, the suction hole and filter element
Clean air outlet connection, the suction hole are connected to the breathing mask of mask.
The utility model substantially increases the inlet air filtration area of mask, increases clean compared with traditional Respirator structure
The memory capacity of net air solves the problems, such as that traditional mask air-breathing is felt oppressed to significantly reduce the inspiratory resistance of mask,
Have the characteristics that replacement filter element is convenient simultaneously.
Detailed description of the invention
Fig. 1 is that the utility model uses schematic diagram in mask.
Marked in the figure: 1 is expiration valve deck, 1a is exhaling hole, and 1b is lug boss, and 2 be Decorative Cover, and 2a is opening, during 2b is
Heart through-hole, 3 be filter element, and 4 be joint for respiratory device, and 4a is expiration interface, and 4b is air-breathing interface, and 4c is suction hole, and 5 be outlet valve
Piece clinching, 6 be respiration bin, and 6a is exhalation passages, and 6b is air intake passage, and 6c is slide groove portion, and 7 be breathing mask, and 8 be suction valve chip
Clinching, 9 be headband, and 10 be link.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1, a kind of mask filter element, the mask includes expiration valve deck 1, Decorative Cover 2, filter element 3, exhales
Storehouse 6 and breathing mask 7 is inhaled to connect after the respiration bin 6 passes through filter element 3 and Decorative Cover 2 with expiration valve deck 1, it is described to exhale
Air valve cap 1 passes through the connection types such as screw, buckle and removably compressing Decorative Cover 2, filter element 3 and breathing mask 7 and consolidate
It is scheduled on respiration bin 6, convenient for locking and disassembly, filter element, expiration valve block and Decorative Cover, institute can be replaced by removing expiration valve deck
Stating filter element 3 is stereo hollow airtight cavity structure, and surrounding is filter layer made of filtering material, and the filter element can
To be made into various three-dimensional shapes, it is provided with the skeleton for being used to support filtering material in the cavity, outside air is single through filtering
Enter inside cavity after the filtering material filtering of first 3 surroundings, the filtered pure air of inside cavity is by filter element 3
Clean air outlet enters breathing mask 7 for sucking, and the gas of exhalation is discharged by expiration valve deck 1, and realization can when putting on mask
With smooth sucking pure air.
Wherein, it is provided with exhalation passages 6a and air intake passage 6b, the exhalation passages 6a on the respiration bin 6 and exhales
The exhaling hole 1a connection being provided on valve deck 1, the exhaling hole is arranged in inside the surrounding of expiration valve deck or lower part, convenient for smooth
Exhaust, the air intake passage 6b are connected to the clean air outlet of filter element 3, are provided with list at the exhalation passages 6a
To expiration valve block, it is provided with one-way intake valve block at the air intake passage 6b, the edge on the outside of the one-way breather valve piece
Portion is provided with expiration valve block clinching 5, and the expiration valve block clinching 5 is removably arranged on respiration bin 6, and passes through outlet valve
The compact heap being arranged in lid 1 is just fixed outlet valve clinching when installing expiration valve deck, so that expiration valve block is compressed,
It is displaced expiration valve block will not at work, sufficiently opened when exhaling, the good airproof performance in air-breathing；The one-way breather valve piece
In the globoidal structure to 7 curving of breathing mask, valve block is set not deform generation gauffer when opening and closing, leakproofness is more
Good, the end face that the expiration valve block clinching 5 is used to compress one-way breather valve piece is arc-shaped, and the one-way breather valve piece is in expiratory air
It opens when body and is closed when sucking gas, is provided at the edge exhalation passages 6a of the respiration bin 6 for installing unidirectional suction
The positioning column or location hole of air valve plate, the one-way intake valve block are fixed and can be loaded and unloaded by expiration valve block clinching 5；Institute
It states and is provided at least one air intake passage 6b on respiration bin 6, be provided with independent one-way sucting valve at each air intake passage 6b
Piece, the one-way intake valve block is opened when sucking gas and is closed in exhaled gas, in the air intake passage of the respiration bin 6
The edge 6b is provided with positioning column or location hole for installing one-way intake valve block, and the one-way intake valve block passes through suction valve chip
Clinching 8 is fixed and can load and unload.
Wherein, joint for respiratory device 4 is provided on the filter element 3, the joint for respiratory device is integrally in approximate truncated cone-shaped, institute
State joint for respiratory device 4 outboard end and filter element 3 outer filter material be tightly connected and it is air tight, the joint for respiratory device 4
The internal layer filtering material of inner end and filter element 3 is tightly connected and air tight, and the outboard end of the joint for respiratory device 4 is to exhale to connect
The inner end of mouth 4a, the joint for respiratory device 4 are air-breathing interface 4b, are provided at least one on the outer peripheral surface of the joint for respiratory device 4
A suction hole 4c, the suction hole 4c are connected to the clean air outlet of filter element 3, the suction hole 4c and respiration bin 6
The air intake passage 6b of upper setting is corresponding.
In the present embodiment, at least one is provided with along diameter in the open end that the expiration valve deck 1 is connect with respiration bin 6
To the lug boss 1b of extension, it is provided with and the protrusion on expiration valve deck 1 in the end that the respiration bin 6 is connect with expiration valve deck 1
The slide groove portion 6c of portion's 1b corresponding matching, the expiration valve deck 1 snap onto the end of respiration bin 6 and can with respiration bin 6 by rotation
It is fixed together to detachable, oral area or nose or snout are covered and sealed simultaneously by the breathing mask 7, described
The edge part for installation is provided on breathing mask 7, the outer edge of the respiration bin 6 is fitted in the peace of breathing mask 7 outward
On rim edge, then it is fitted in 3 interface bottom surface of filter element, and the expiration valve deck 1 that can be loaded and unloaded fastening compresses, in the dress
Several opening 2a are provided on decorations cover 2, it is unobstructed convenient for air-breathing, convex is provided at the central through hole 2b of the Decorative Cover 2
It rises, the positioning groove with positioning protrusion corresponding matching is provided on the respiration bin 6, the respiration bin 6 passes through Decorative Cover 2
When, the positioning protrusion of the Decorative Cover 2 is placed in the positioning groove of respiration bin 6, avoids Decorative Cover swing offset.Wherein, it decorates
Cover can fashion into various shape, and Decorative Cover surface is by being open with solid line permutation and combination at various patterns, to beautify mask, together
When to filter element carry out moulding, play the role of support and keep filter element shape.
Wherein, bolt headband or ear band are installed in the corresponding hole opened up of breathing mask 7 and seal with column on respiration bin 6
Air tight, 7 or so the lateral surface of breathing mask is respectively provided with two links 10, and link one end is connected on band column, and the other end connects
Lug band or headband 9.
In the present embodiment, the shell for loading and unloading fastening connector, warehouse, valve block clinching and unidirectional expiration component of use
The engineering plastics that body portion is all made of light-weight environment-friendly are made, such as PP, PE, PC material；Soft-sided is sealed using the soft of soft environment-protective
Glue material is made, such as silicon rubber, rubber and plastic synthetic material, and shape meets human body face feature, one-way intake component and unidirectional
The valve block of expiration component is all made of soft or hard appropriate rubber material and is made, and the material that filter element uses includes PP melt-blown nonwoven
The efficient low-resistances safe material such as cloth, active carbon cloth, bactericidal.
In use, first by respiration bin suction valve chip and clinching and expiration valve block and clinching assemble, by breathing mask
Respiration bin is connected, loads onto link on band column at left and right sides of breathing mask, then the exhalation passages of respiration bin are connect across filter element
Mouthful, it is loaded on Decorative Cover, finally screws expiration valve deck, filter element interface bottom surface and upper top surface is compressed, is loaded on link
Headband can put on the use of mask eupnea.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (5)
1. a kind of mask filter element, it is characterised in that: the filter element (3) be stereo hollow airtight cavity structure, four
Week is filter layer made of filtering material, is provided with the skeleton for being used to support filtering material in the cavity, outside air is through filtering
Enter inside cavity after the filtering material filtering of unit (3) surrounding, is provided with clean air outlet on the filter element (3)
As the air entry of mask, the clean air outlet of the filter element (3) is connected to the breathing mask (7) of mask, described
The filtered pure air of inside cavity enters breathing mask (7) by the clean air outlet of filter element (3).
2. mask filter element according to claim 1, it is characterised in that: at the air entry of the filter element (3)
It is provided with one-way sucting valve.
3. mask filter element according to claim 1, it is characterised in that: be provided with and exhale on the filter element (3)
Port, the exhalation vents of the filter element (3) are connected to the breathing mask (7) of mask, the exhalation vents in the filter element (3)
Place is provided with one-way breather valve.
4. mask filter element according to claim 1, it is characterised in that: the filter element (3) passes through detachable
It is pressed on breathing mask (7).
5. mask filter element according to claim 1, it is characterised in that: be provided with and exhale on the filter element (3)
Suction head (4), the outboard end of the joint for respiratory device (4) and the outer filter material of filter element (3) are tightly connected, the breathing
The inner end of connector (4) and the internal layer filtering material of filter element (3) are tightly connected, and the outboard end of the joint for respiratory device (4) is
Expiration interface (4a), the inner end of the joint for respiratory device (4) are air-breathing interface (4b), the outer peripheral surface in the joint for respiratory device (4)
On be provided at least one suction hole (4c), the suction hole (4c) is connected to the clean air outlet of filter element (3), institute
Suction hole (4c) is stated to be connected to the breathing mask (7) of mask.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822125079.7U CN209679342U (en) | 2018-04-10 | 2018-04-10 | A kind of mask filter element |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820502576.1U CN208462993U (en) | 2018-04-10 | 2018-04-10 | A kind of mask |
| CN201822125079.7U CN209679342U (en) | 2018-04-10 | 2018-04-10 | A kind of mask filter element |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820502576.1U Division CN208462993U (en) | 2018-04-10 | 2018-04-10 | A kind of mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209679342U true CN209679342U (en) | 2019-11-26 |
Family
ID=65206183
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822125079.7U Active CN209679342U (en) | 2018-04-10 | 2018-04-10 | A kind of mask filter element |
| CN201820502576.1U Active CN208462993U (en) | 2018-04-10 | 2018-04-10 | A kind of mask |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820502576.1U Active CN208462993U (en) | 2018-04-10 | 2018-04-10 | A kind of mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN209679342U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021159637A1 (en) * | 2020-02-13 | 2021-08-19 | 河南驼人贝斯特医疗器械有限公司 | Protective isolation device |
-
2018
- 2018-04-10 CN CN201822125079.7U patent/CN209679342U/en active Active
- 2018-04-10 CN CN201820502576.1U patent/CN208462993U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN208462993U (en) | 2019-02-05 |
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| GR01 | Patent grant |