CN211301827U - Liquid dustproof gas mask with air flowing in one direction - Google Patents
Liquid dustproof gas mask with air flowing in one direction Download PDFInfo
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- CN211301827U CN211301827U CN201921253578.2U CN201921253578U CN211301827U CN 211301827 U CN211301827 U CN 211301827U CN 201921253578 U CN201921253578 U CN 201921253578U CN 211301827 U CN211301827 U CN 211301827U
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- canister
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- dustproof
- mask
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- 239000007788 liquid Substances 0.000 title claims abstract description 47
- 239000000428 dust Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000001179 sorption measurement Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 11
- 230000000712 assembly Effects 0.000 abstract description 4
- 238000000429 assembly Methods 0.000 abstract description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 4
- 230000007123 defense Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000002155 anti-virotic effect Effects 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 208000019693 Lung disease Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Abstract
The utility model discloses a liquid dustproof and gas mask with unidirectional air flow, which comprises a mask body, wherein the mask body is provided with goggles, a nose frame and an expiration assembly which are matched with the human face, the two sides of the mask body are symmetrically provided with dustproof assemblies, the dustproof assemblies comprise dustproof covers and air inlet pipes which are mutually communicated, the dustproof covers are fixedly arranged on the mask body, and detachable dustproof nets are arranged in the dustproof covers; the lower end of the mask body is provided with a canister, the lower end of the canister is communicated with the dust cover through an air inlet pipe, and the upper end of the canister is communicated with the inside of the mask body; the filter canister is characterized in that filter liquid is stored in the canister, an anti-leakage net is arranged on the upper portion in the canister, and an adsorption material layer is arranged between the anti-leakage net and the top end of the canister. This is novel through twice filtration, improves the filter effect, adopts liquid to remove dust simultaneously, has avoided the dust to block up the condition that arouses the difficulty of breathing in, has better dustproof gas defense effect.
Description
Technical Field
The invention relates to the field of protective articles, in particular to a liquid dustproof gas mask with unidirectional air flow.
Background
The dustproof gas mask is a protective tool commonly used in medical treatment, coal mine and construction site work, although the protective mask in the prior art is continuously updated, the protective mask can block a plurality of harmful substances in the air through a filtering material and avoid the harm caused by the inhalation of the harmful substances into the lung, thereby protecting the health of human bodies, and workers working and working in the environment of dispersing a large amount of fine dust in the air are easy to suffer from lung diseases if the protection is not noticed, and the pathogeny is caused by that a large amount of fine particles such as stone powder, cement ash, diatomite and the like are inhaled into the deep part of the lung for a long time. The common dust-removing gas mask covers the mouth, nose, chin and other parts of a person to form a space which is tightly attached to the face and is relatively sealed, and then the space is filtered to remove tiny dust through a filter layer, so that the purpose of dust prevention is achieved.
Chinese patent (publication No. CN205391487U) discloses a liquid dustproof gas mask with unidirectional air flow, which achieves better filtering effect by filtering dust through liquid, and achieves external air entry due to negative pressure inside the mask when a user inhales, but when the user exhales, positive pressure inside the mask is often caused, so that liquid flows backward into an air inlet pipe, and liquid overflows, and thus improvement is needed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the dustproof gas mask of liquid of current air unidirectional flow when the user exhales often can lead to the inside malleation of mask to lead to liquid to flow backward the intake pipe, cause the condition that liquid spills over.
In order to solve the technical problems, the invention provides the following technical scheme:
a liquid dustproof gas mask with unidirectional air flow comprises a mask body, wherein goggles, a nose frame and an expiration assembly which are matched with a human face are arranged on the mask body, dustproof assemblies are symmetrically arranged on two sides of the mask body and comprise dustproof covers and air inlet pipes which are mutually communicated, the dustproof covers are fixedly arranged on the mask body, and detachable dustproof nets are arranged in the dustproof covers; the lower end of the mask body is provided with a canister, the lower end of the canister is communicated with the dust cover through an air inlet pipe, and the upper end of the canister is communicated with the inside of the mask body; the canister is internally stored with filtered liquid, the upper part of the canister is provided with an anti-leakage net, and an adsorption material layer is arranged between the anti-leakage net and the top end of the canister; a water-stop sheet is arranged in the canister and above the liquid level of the filtered liquid, an air outlet pipe penetrating the water-stop sheet is arranged on the water-stop sheet, and a one-way valve is arranged on the air outlet pipe.
As a further scheme of the invention: the lower end of the canister is provided with an air inlet which is detachably connected with the air inlet pipe.
As a still further scheme of the invention: the upper end of the canister is provided with a plurality of air holes communicated with the inside of the canister, and the air holes are communicated with the inside of the mask body.
As a still further scheme of the invention: the outside of canister is provided with the external screw thread, canister passes through the external screw thread and the face body can dismantle the connection.
As a still further scheme of the invention: the poison filtering tank positioned below the liquid level of the filtering liquid is internally provided with a honeycomb plate which is higher than the air inlet.
As a still further scheme of the invention: the exhalation assembly comprises an exhalation port mounting seat arranged on the mask body, and an exhalation valve is mounted on the exhalation port mounting seat in a matched mode.
As a still further scheme of the invention: and a dust screen is arranged outside the expiratory valve.
Compared with the prior art, the invention has the beneficial effects that: when the dust filter is worn and used, a user inhales, outside air enters the canister after dust is preliminarily filtered by the dust screen of the exhalation assembly, residual dust is enabled to sink into the canister bottom through filtering of filtering liquid, filtering is performed twice, the filtering effect is improved, and meanwhile, liquid is adopted for dust removal, so that the situation that dust is blocked to cause difficulty in inhaling is avoided; the filtered air enters the mask body after being adsorbed with harmful substances through the adsorption material layer, thereby achieving the dustproof and antivirus effects.
The mask is provided with the air outlet pipe and the one-way valve, when breathing in, the one-way valve is opened, so that filtered air can enter the mask body, when breathing out, the one-way valve is closed, and the exhaled air is exhausted from the exhalation assembly, so that the unidirectional flowing direction of the air is ensured, and the quality of the air in the mask body is further ensured; the honeycomb plate is arranged, so that the time of air in the filtering liquid is prolonged, and the filtering effect is improved.
To sum up, this is novel through twice filtration, improves the filter effect, adopts liquid to remove dust simultaneously, has avoided the dust to block up the condition that arouses the difficulty of breathing in, has better dustproof gas defense effect.
Drawings
Fig. 1 is a schematic structural view of a liquid dustproof gas mask with unidirectional air flow.
Fig. 2 is a schematic structural view of a canister in a liquid dustproof gas mask with unidirectional air flow.
In the figure: 1-mask body, 2-goggles, 3-nose frame, 4-expiration component, 5-dustproof component, 51-dustproof box, 52-dustproof net, 53-air inlet pipe, 6-canister, 61-air inlet port, 62-water stop sheet, 63-air outlet pipe, 64-one-way valve, 65-leakage prevention net, 66-adsorption material layer, 67-air vent, 68-external thread and 69-honeycomb plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a liquid dustproof gas mask with unidirectional air flow comprises a mask body 1, wherein a goggle 2 matched with a human face, a nose frame 3 and an exhalation assembly 4 are arranged on the mask body 1, dustproof assemblies 5 are symmetrically arranged on two sides of the mask body 1, each dustproof assembly 5 comprises a dustproof cover 51 and an air inlet pipe 53 which are communicated with each other, the dustproof cover 51 is fixedly arranged on the mask body 1, and a detachable dustproof net 52 is arranged in the dustproof cover 51; the lower end of the mask body 1 is provided with a canister 6, the lower end of the canister 6 is communicated with a dust cover 51 through an air inlet pipe 53, and the upper end of the canister 6 is communicated with the inside of the mask body 1; the canister 6 is filled with filtered liquid, the inner upper part of the canister 6 is provided with an anti-leakage net 65, and an adsorption material layer 66 is arranged between the anti-leakage net 65 and the top end of the canister 6.
The working principle of the invention is as follows: when the dust filter is worn and used, a user inhales, outside air enters the canister 6 after dust is preliminarily filtered by the dust screen 52 of the exhalation assembly 5, residual dust is sunk into the canister bottom through filtering of filtering liquid, filtering is performed twice, the filtering effect is improved, and meanwhile, liquid is adopted for dust removal, so that the situation that dust is blocked to cause difficulty in inhaling is avoided; the filtered air enters the mask body 1 after absorbing harmful substances and moisture through the absorbing material layer 66, and the dustproof and antivirus effects are achieved.
The air outlet pipe 63 and the check valve 64 are arranged, when the mask inhales air, the check valve 64 is opened, filtered air can enter the mask body 1 due to negative pressure in the mask, when the mask exhales air, the check valve 64 is closed, positive pressure is generated in the mask, and exhaled air is exhausted from the exhalation assembly 4, so that the flowing unidirectionality of air is ensured, the quality of air in the mask body is further ensured, and meanwhile, the condition that liquid overflows due to the fact that liquid flows backwards into the air inlet pipe 53 is avoided; the honeycomb plate is arranged, so that the time of air in the filtering liquid is prolonged, and the filtering effect is improved.
As an optional scheme: the lower end of the canister 6 is provided with an air inlet 61 detachably connected with the air inlet pipe 53.
As an optional scheme: a water stop sheet 62 is arranged in the canister 6 above the liquid level of the filtered liquid, an air outlet pipe 65 penetrating the water stop sheet 62 is arranged on the water stop sheet 62, and a one-way valve 64 is arranged on the air outlet pipe 65.
As an optional scheme: the upper end of the canister 6 is provided with a plurality of air holes 67 communicated with the inside of the canister, and the air holes 67 are communicated with the inside of the mask body 1.
As an optional scheme: the exterior of the canister 6 is provided with an external thread 68, and the canister 6 is detachably connected with the mask body 1 through the external thread 68.
As an optional scheme: a honeycomb plate 69 is arranged in the canister 6 below the liquid level of the filtered liquid, and the honeycomb plate 69 is arranged higher than the air inlet 61.
As an optional scheme: the exhalation module 4 comprises an exhalation port mounting seat (not marked) arranged on the mask body 1, an exhalation valve (not marked) is mounted on the exhalation port mounting seat in a matching manner, the exhalation valve is closed during inhalation and opened during exhalation so as to be matched with the one-way valve 64 of the canister for use, and therefore air in the mask body 1 can circulate in one way.
As an optional scheme: and a dust screen is arranged outside the expiratory valve.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A liquid dustproof gas mask with unidirectional air flow comprises a mask body, wherein goggles, a nose frame and an expiration assembly which are matched with a human face are arranged on the mask body; the lower end of the mask body is provided with a canister, the lower end of the canister is communicated with the dust cover through an air inlet pipe, and the upper end of the canister is communicated with the inside of the mask body; the canister is internally stored with filtered liquid, the upper part of the canister is provided with an anti-leakage net, and an adsorption material layer is arranged between the anti-leakage net and the top end of the canister; a water-stop sheet is arranged in the canister and above the liquid level of the filtered liquid, an air outlet pipe penetrating the water-stop sheet is arranged on the water-stop sheet, and a one-way valve is arranged on the air outlet pipe.
2. The liquid dustproof and gas mask with unidirectional air flow of claim 1, wherein the lower end of the canister is provided with an air inlet detachably connected with the air inlet pipe.
3. The liquid dustproof and gas mask with unidirectional air flow as claimed in claim 1, wherein the upper end of the canister is provided with a plurality of air holes communicated with the inside of the canister, and the air holes are communicated with the inside of the mask body.
4. The liquid dustproof and gas mask with unidirectional air flow of claim 1, wherein the canister is externally provided with external threads, and the canister is detachably connected with the mask body through the external threads.
5. The liquid respirator of claim 2 wherein a honeycomb panel is positioned within the canister below the level of the filtered liquid, the honeycomb panel being positioned above the air inlet.
6. The liquid respirator of any one of claims 1-5 wherein the exhalation module comprises an exhalation port mount that is disposed on the mask body and on which an exhalation valve is fittingly mounted.
7. The liquid respirator of claim 6 wherein the exhalation valve is externally fitted with a dust screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921253578.2U CN211301827U (en) | 2019-08-05 | 2019-08-05 | Liquid dustproof gas mask with air flowing in one direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921253578.2U CN211301827U (en) | 2019-08-05 | 2019-08-05 | Liquid dustproof gas mask with air flowing in one direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211301827U true CN211301827U (en) | 2020-08-21 |
Family
ID=72051170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921253578.2U Active CN211301827U (en) | 2019-08-05 | 2019-08-05 | Liquid dustproof gas mask with air flowing in one direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211301827U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112675448A (en) * | 2020-12-29 | 2021-04-20 | 高芷琪 | Infectious disease anti-suffocating mask device for department of respiration |
-
2019
- 2019-08-05 CN CN201921253578.2U patent/CN211301827U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112675448A (en) * | 2020-12-29 | 2021-04-20 | 高芷琪 | Infectious disease anti-suffocating mask device for department of respiration |
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