CN213884791U - Prevent gauze mask filtration equipment that eyepiece hazed - Google Patents
Prevent gauze mask filtration equipment that eyepiece hazed Download PDFInfo
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- CN213884791U CN213884791U CN202021165909.XU CN202021165909U CN213884791U CN 213884791 U CN213884791 U CN 213884791U CN 202021165909 U CN202021165909 U CN 202021165909U CN 213884791 U CN213884791 U CN 213884791U
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Abstract
The utility model relates to a mask filtering device for preventing eyepieces from fogging, which comprises a mask, wherein the upper part of the mask is provided with a gas outlet which is communicated to a gas outlet exhaust fan through a gas outlet pipeline; the lower part of the mask is provided with an air inlet which is communicated to the air inlet fan through an air inlet pipeline; the air outlet exhaust fan is arranged in the funnel-shaped air outlet cavity, the narrow-diameter end of the air outlet cavity is communicated with the air outlet pipeline, and the wide-diameter end of the air outlet cavity is provided with the air filter; the air inlet fan is arranged in the funnel-shaped air inlet cavity, and the narrow-diameter end of the air inlet cavity is communicated with the air inlet pipeline. The beneficial effects of the utility model are that through reserving mated one-way ventilation structure on protective facial mask, the intercommunication filters out and crosses malleation clean air, realizes gaseous effective flow between gauze mask and personnel's oronasal department, solves the problem of breathing out and the water smoke formation problem after wearing the gauze mask.
Description
Technical Field
The utility model relates to a medical treatment protection field specifically is a gauze mask filtration equipment that prevents eyepiece fogging.
Background
In the face of the prevention and treatment of infectious diseases that can be transmitted via the respiratory tract, medical personnel need to wear the related personal protective equipment, namely ppe (personal protective equipment), wherein the mask and protective goggles are the key protective equipment for the related medical personnel. However, in actual work, people often breathe laboriously due to the fact that the requirement of air tightness required to be met by protection is considered, and meanwhile, water mist is easily formed on adjacent goggles by gas exhaled in a narrow space, so that the sight line of the people and the work implementation are seriously affected. There have been many attempts by the skilled person to improve this, including applying water mist-resistant chemicals to the interior of the goggles, etc., but most suffer from the problems of short-term effectiveness and undesirable long-term use. In addition, breath holding situations of people wearing N95 or even N99 masks with high filtering levels cannot be improved, serious consequences such as hypoxia, fatigue and even consciousness loss of people are easily caused, and a plurality of problems are brought to prevention and control of diseases and epidemic situations; and adopt full protection malleation hood can reduce personnel to hold breath the problem, but malleation hood one-way ventilation relies on the gas in the hood to disperse to the environment via the protective clothing surface, also has the problem of certain accumulation steam, and the inner wall in narrow and small space fogging problem also exists, and the too high large-scale application in the aspect of clinical and epidemic situation prevention and control of price of this type of device also seriously influences in addition.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of prior art, solve the cooperation goggles and use the gauze mask, the breathing that easily leads to is not smooth and the problem of hazing.
In order to achieve the purpose of the utility model, the utility model provides a mask filtering device for preventing the fogging of the eyepiece, which comprises a mask, wherein the upper part of the mask is provided with a gas outlet which is communicated to a gas outlet exhaust fan through a gas outlet pipeline; the lower part of the mask is provided with an air inlet which is communicated to the air inlet fan through an air inlet pipeline; the air outlet exhaust fan is arranged in the funnel-shaped air outlet cavity, the narrow-diameter end of the air outlet cavity is communicated with the air outlet pipeline, and the wide-diameter end of the air outlet cavity is provided with the air filter; the air inlet fan is arranged in the funnel-shaped air inlet cavity, and the narrow-diameter end of the air inlet cavity is communicated with the air inlet pipeline.
The upper and lower parts of the mask are respectively positioned above and below the mask covering surface part, specifically, the upper and lower parts of the mask covering surface part can correspond to the nose tip part. The air outlet cavity and the air inlet cavity are similar in shape, two ends of the air outlet cavity and the air inlet cavity are respectively a communicated wide-diameter end and a narrow-diameter end, and the corresponding fans are arranged between the wide-diameter end and the narrow-diameter end of the cavity. The air outlet pipeline exhausts air to the outside of the mask, and the air inlet pipeline delivers air to the inside of the mask.
Preferably, the air outlet cavity and the air inlet cavity are fixed in the same box body, and a strap or a handle is arranged at the top of the box body.
The wide-diameter ends of the air outlet cavity and the air inlet cavity lead the air outlet pipeline and the air inlet pipeline out of the box body.
Preferably, the narrow end is arranged at a wall opening of the box body, and the air inlet pipeline and the air outlet pipeline are connected to the wall opening and are fixed with the narrow end.
The air inlet pipeline and the air outlet pipeline are communicated with the narrow-diameter end and the wall opening through a quick plug-in connector, a sealing chuck and the like.
Preferably, the rotating speed adjusting buttons of the air inlet fan and the air outlet exhaust fan are arranged on the surface of the box body.
The air inlet fan and the air outlet exhaust fan can adopt commercial products in the prior art, and the rotating speed of the fan can be adjusted by corresponding to a rotating speed adjusting button of the fan.
Preferably, the front half section of the air outlet pipeline is attached and fixed to the surface of the mask.
The first half of the outlet pipeline refers to the pipeline from the outlet to the position near the inlet.
Preferably, the rear half section of the air outlet pipeline and the air inlet pipeline are attached and fixed in parallel.
The second half of the outlet pipe is the pipe from the vicinity of the inlet to the outlet cavity.
Preferably, the air outlet cavity and the air inlet cavity are fixed in the same box body; the air outlet pipeline and the air inlet pipeline penetrate from the top of the box body, and the air outlet pipeline is adjacent to the penetrating hole of the air inlet pipeline.
The term pipeline as used herein refers to a pipeline that extends through the top of the tank, in the sense that the pipeline communicates with the narrow end of the cavity that is secured to the tank.
Preferably, the surface of the ear hook of the mask is attached with a hydrogel layer.
The mask referred to herein is in the form of a prior art mask with ear-hooks.
Preferably, the air outlet pipeline and the air inlet pipeline extend to form puncture tips at the joint of the mask, and blocking blocks are arranged outside the air outlet pipeline and the air inlet pipeline beside the joint; the masks at the air outlet and the air inlet are made of thin filtering inner core materials which can be punctured, and thick silica gel protective layers for puncturing points are arranged on the outer side surfaces of the masks; the bottom of the puncture tip at least partially extends out of the gas outlet pipeline or the gas inlet pipeline, and the distance from the bottom of the puncture tip to the blocking block is slightly larger than the sum of the thicknesses of the compressed thick silica gel protective layer and the filter inner core material.
The puncture tip can be in the form of a triangular tip or a multi-edge tip and the like, so that the puncture tip can penetrate through the weak part of the mask to filter the inner core material and reach the inner cavity of the mask. The blocking block is preset at a certain interval behind the puncture tip. The thick silica gel protective layer has elasticity, and can be tightly attached to the outside of the pipeline or the puncture tip by means of the elasticity after being punctured.
The fan is arranged, so that the airflow at the narrow-diameter end can be guided to the wide-diameter end more constantly; the upper part and the lower part of the mask are provided with the air outlet and the air inlet, so that the effective flow of air between the mask and the mouth and nose of a person is realized, and the active breathing amplitude of the person in air suction is reduced. Holistic gas flow design fully considers that personnel breathe smoothly and steam in the expired gas that rises probably blurs to the inner wall of goggles, realizes the high-efficient change of gas in the narrow and small space, guarantees through the circulation of accelerating inside gas and clean back air that personnel's sight is not sheltered from by steam.
Through setting up the box of unified storage device to set up braces or handle on it, the holistic convenience of lifting means also conveniently accomodates the power supply unit of fan simultaneously.
Through establish the opening at the box wall, supply air inlet pipeline, air outlet pipeline to dismantle, install, make things convenient for the replacement of pipeline clean. The filtering part of the equipment can be sterilized and reused, and the optimal cost-benefit ratio is realized on the premise of ensuring the safety of personnel and the effectiveness of the system.
The rotating speed adjusting button of the fan is arranged on the surface of the box body, so that the independent controllable air inlet and exhaust flow rate control is realized, the breathing smoothness of personnel is improved in a personalized manner, and the airtightness of the protective mask worn by the personnel can be verified.
Through fixing the front half section of the air outlet pipeline on the surface of the mask, the shaking of the air outlet pipeline on the mask is avoided.
The rear half section of the air outlet pipeline is fixed with the air inlet pipeline, so that the disorder of pipeline arrangement is avoided.
Through the box with go out the cooperation on gas pipeline, the air inlet pipeline arranges for the whole portable of equipment reduces and drags the risk of damage.
The hydrogel layer on the ear hook can reduce the compression injury of local skin caused by long-time wearing pressurization, the hydrogel layer can be annularly arranged at the edge of the mask, the comfort level of wearing personnel is improved, and the compression injury of the skin caused by long-time wearing is reduced or avoided.
The distance between the blocking block and the bottom end of the puncture tip is slightly larger than the total thickness of the thick silica gel protective layer at the weak part and the inner core filtering material, so that the puncture tip can be guaranteed not to break through inwards after puncture, and once the puncture tip penetrates into the air inlet and the air outlet, the air inlet and the air outlet are fixed in a backward traction manner, and stable and airtight connection is realized.
The upper part and the lower part of the mask are respectively provided with an air outlet and an air inlet, the air outlet and the mask at the air inlet are made of thin filtering inner core materials which can be punctured, and the outer side surface of the mask is provided with a thick silica gel protective layer for puncturing.
Preferably, the thick silica gel protective layer is externally protruded with a guide sheet with a depressed center, and the guide sheet is a part of the thick silica gel protective layer.
The filtering inner core material is weaker than the filtering material of other parts of the mask, and is easier to be pierced
The thin filtering inner core material which can be punctured is adopted, so that the gas leaking through the thick silica gel protective layer can be filtered, and the filtering quality is ensured.
The beneficial effects of the utility model are that can be through reserving mated one-way ventilation structure on protective facial mask, the filtration is crossed the malleation clean air out, realizes gaseous effective flow between gauze mask and personnel mouth nose department, solves the problem of breathing out and the water smoke formation problem after wearing the gauze mask.
Drawings
FIG. 1 is a schematic view of the mask filtering device for preventing fogging of the eyepiece of the present invention;
FIG. 2 is a schematic view showing that the outlet or inlet of the mask filtering device of the present invention is not punctured;
FIG. 3 is a schematic view of a partial puncture section at the air outlet or air inlet of the anti-fogging mask filtering device of the present invention;
wherein:
1-mask 2-gas outlet 3-gas outlet pipeline
4-hydrogel layer 5-ear hang 6-air inlet
7-air inlet pipeline 8-rotating speed adjusting button 9-box body
10-air outlet cavity 11-air outlet exhaust fan 12-air inlet fan
13-air inlet cavity 21-barrier block 22-filtering inner core material
23-thick silica gel protective layer 24-guide sheet 25-puncture tip
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
The mask filtering device for preventing the fogging of the eyepiece, which is shown in fig. 1 to 3, comprises a mask 1, wherein an air outlet 2 is formed in the upper part of the mask 1, and the air outlet 2 is communicated to an air outlet exhaust fan 11 through an air outlet pipeline 3; an air inlet 6 is formed in the lower portion of the mask 1, and the air inlet 6 is communicated to an air inlet fan 12 through an air inlet pipeline 7; the air outlet exhaust fan 11 is arranged in the funnel-shaped air outlet cavity 10, the narrow-diameter end of the air outlet cavity 10 is communicated with the air outlet pipeline 3, and the wide-diameter end of the air outlet cavity 10 is provided with an air filter; the intake fan 12 is disposed in a funnel-shaped intake cavity 13, and a narrow end of the intake cavity 13 is communicated with the intake pipeline 7. The air outlet cavity 10 and the air inlet cavity 13 are fixed in the same box body 9, and a strap or a handle is arranged at the top of the box body 9. The narrow end is arranged at the wall opening of the box body 9, and the air inlet pipeline 7 and the air outlet pipeline 3 are connected to the wall opening and are fixed with the narrow end. The air inlet fan 12 and the rotation speed adjusting button 8 of the air outlet exhaust fan 11 are arranged on the surface of the box body 9. The front half section of the air outlet pipeline 3 is attached and fixed to the surface of the mask 1. The rear half section of the air outlet pipeline 3 is fixedly attached to the air inlet pipeline 7 in parallel. The air outlet pipeline 3 and the air inlet pipeline 7 penetrate from the top of the box body 9, and the air outlet pipeline 3 is adjacent to a penetrating hole of the air inlet pipeline 7.
The surface of the ear hook 5 of the mask 1 is attached with a hydrogel layer 4.
According to the drawings of fig. 2 to 3, the air outlet pipeline 3 and the air inlet pipeline 7 are provided with puncture tips 25 extending at the joint position of the mask, and the outside of the air outlet pipeline 3 and the air inlet pipeline 7 is provided with a blocking block 21 beside the joint position; the masks at the air outlet 2 and the air inlet 6 are thin layers of penetrable filtering inner core materials 22, and thick silica gel protective layers 23 for puncturing by puncturing tips 25 are arranged on the outer side surfaces of the masks; the bottom of the puncture tip 25 at least partially extends out of the air outlet pipeline 3 or the air inlet pipeline 7, and the distance from the bottom of the puncture tip 25 to the blocking block 21 is slightly larger than the sum of the thicknesses of the compressed thick silica gel protective layer 23 and the filter inner core material 22.
The thick silica gel protective layer 23 is externally protruded with a guide sheet 24 structure with a concave center, and the guide sheet 24 is a part of the thick silica gel protective layer 23.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the embodiments disclosed, and that various changes and modifications may be made, which are within the scope of the appended claims.
Claims (10)
1. An eyepiece-fogging-preventing mask filtering device comprises a mask (1) and is characterized in that an air outlet (2) is formed in the upper portion of the mask (1), and the air outlet (2) is communicated to an air outlet exhaust fan (11) through an air outlet pipeline (3); an air inlet (6) is formed in the lower portion of the mask (1), and the air inlet (6) is communicated to an air inlet fan (12) through an air inlet pipeline (7); the air outlet exhaust fan (11) is arranged in the funnel-shaped air outlet cavity (10), the narrow-diameter end of the air outlet cavity (10) is communicated with the air outlet pipeline (3), and the wide-diameter end of the air outlet cavity (10) is provided with an air filter; the air inlet fan (12) is arranged in the funnel-shaped air inlet cavity (13), and the narrow-diameter end of the air inlet cavity (13) is communicated with the air inlet pipeline (7).
2. Mask filtering device according to claim 1, characterized in that said air outlet chamber (10) and said air inlet chamber (13) are fixed in the same box (9), the top of said box (9) being provided with a strap or handle.
3. Mask filtering device according to claim 2, characterized in that said throat is provided at the wall opening of said box, said inlet duct (7) and outlet duct (3) being connected to said wall opening in fixed relationship therewith.
4. Mask filtering device according to claim 2, characterized in that the speed regulation buttons (8) of the inlet fan (12) and of the outlet exhaust fan (11) are both arranged on the surface of the box (9).
5. Mask filtering device according to claim 1, characterized in that the front half of said outlet duct (3) is affixed to the surface of said mask (1).
6. Mask filtering device according to claim 5, characterized in that the rear half of said outlet duct (3) is affixed in parallel to said inlet duct (7).
7. Mask filtering device according to claim 6, characterized in that said air outlet chamber (10) and said air inlet chamber (13) are fixed in the same box (9); the air outlet pipeline (3) and the air inlet pipeline (7) penetrate from the top of the box body (9), and the air outlet pipeline (3) is adjacent to a penetrating hole of the air inlet pipeline (7).
8. Mask filtration device according to claim 1, wherein the surface of the ear hook (5) of the mask (1) is affixed with a hydrogel layer (4).
9. The mask filtering device according to claim 1, wherein the air outlet pipeline (3) and the air inlet pipeline (7) are provided with puncture tips (25) extending at the joint position of the mask, and the outside of the air outlet pipeline (3) and the air inlet pipeline (7) is provided with a blocking block (21) beside the joint position; the masks at the air outlet (2) and the air inlet (6) are thin layers of penetrable filtering inner core materials (22), and thick silica gel protective layers (23) for puncturing by puncturing tips (25) are arranged on the outer side surfaces of the masks; the bottom of the puncture tip (25) at least partially extends out of the air outlet pipeline (3) or the air inlet pipeline (7), and the distance from the bottom of the puncture tip (25) to the separation block (21) is slightly larger than the sum of the thicknesses of the compressed thick silica gel protective layer (23) and the filter inner core material (22).
10. The utility model provides a gauze mask filtration equipment of anti-eyepiece fogging, includes gauze mask (1), its characterized in that, gas outlet (2) and air inlet (6) are seted up respectively to gauze mask (1) upper portion and lower part, gas outlet (2) with the gauze mask of air inlet (6) department is filtration inner core material (22) that the thin layer can puncture, and its outside surface establishes the thick silica gel protective layer (23) that supplies to puncture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021165909.XU CN213884791U (en) | 2020-06-22 | 2020-06-22 | Prevent gauze mask filtration equipment that eyepiece hazed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021165909.XU CN213884791U (en) | 2020-06-22 | 2020-06-22 | Prevent gauze mask filtration equipment that eyepiece hazed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213884791U true CN213884791U (en) | 2021-08-06 |
Family
ID=77096273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021165909.XU Active CN213884791U (en) | 2020-06-22 | 2020-06-22 | Prevent gauze mask filtration equipment that eyepiece hazed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213884791U (en) |
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2020
- 2020-06-22 CN CN202021165909.XU patent/CN213884791U/en active Active
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