CN201692542U - Air feed respirator - Google Patents
Air feed respirator Download PDFInfo
- Publication number
- CN201692542U CN201692542U CN2010202457413U CN201020245741U CN201692542U CN 201692542 U CN201692542 U CN 201692542U CN 2010202457413 U CN2010202457413 U CN 2010202457413U CN 201020245741 U CN201020245741 U CN 201020245741U CN 201692542 U CN201692542 U CN 201692542U
- Authority
- CN
- China
- Prior art keywords
- air
- respirator
- appendix
- face shield
- shield body
- Prior art date
- 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
Links
- 238000001914 filtration Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000843 powder Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 17
- 239000007789 gas Substances 0.000 description 13
- 239000003245 coal Substances 0.000 description 3
- 230000001815 facial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses an air feed respirator trying to solve unclear respiration of prior art technology. The air feed respirator comprises a respirator, an air filtering layer, an air pump, and an air tube, wherein the last three parts are arranged on the respirator; wherein the respirator is also provided with air inlet, one end of the air tube being connected to an air outlet of the air pump, the other end of the air tube being connected to the air outlet, the air tube communicating the space formed between the respirator and face with the chamber of the air pump. By the said structure, external fresh air can be sent to the air tube by the air pump and can be further provided to the air feed respirator by the air tube. The air pressure between the respirator and the face is slightly higher than external air pressure, so that by wearing the respirator herein, workers will breathe in fresh air which is generated from external environment and sent by the air tube, and breathe out air which shall be discharged by the air filtering layer of the respirator, the air filtering layer having no vulnerability of obstruction of powder from the environment. The utility model solves unclear respiration and is beneficial for human wellness.
Description
Technical field
The utility model relates to a kind of dust mask, especially a kind of Gas feeding dust mask.
Background technology
At present, abominable at dust or air quality as coal, the workman of operation under the environment such as powder packing, all need to be with dust mask, since with dust mask very tight to face sealing, must can only be by the inspiration of air filtration layer, the exhalation air just can play and prevent that dust is inhaled into the effect in the human body, but, the dust that the air filtration layer filters out can along with the attachment of moisture of human body breath on the filter course surface, thereby dust will stop up filter course and makes the workman feel unsmooth breath like this, feel suffocated, a lot of people are unwilling to be with in operation process, moreover also can influence health.
The utility model content
In order to overcome above-mentioned defective, the purpose of this utility model is to provide a kind of breathing happy, not susceptible to plugging air-supply mask.
In order to achieve the above object, air-supply mask of the present utility model, comprise face shield body and the air filtration layer that is arranged on described face shield body, also comprise air pump and appendix, described face shield body is provided with air inlet, described appendix one end is connected with described air pump exhaust outlet, and the appendix other end is arranged on described air inlet outer end and connects the space between described appendix connected surface cover body and the face and the cavity of air pump.
Wherein, the appendix below the described face shield body is connected with check valve.
Particularly, the appendix between described check valve and the air pump is connected with pressure regulator valve.
Further, described air pump air inlet end is provided with water filtering device.
Particularly, described air inlet is positioned at and is suitable for the below that nose is worn the position on the face shield body.
Particularly, described air inlet the inner is provided with the unhurried current layer, and described unhurried current layer is provided with some passages and is communicated with described air inlet respectively.
Wherein, described unhurried current layer is provided with filter course.
Further, described unhurried current layer is wholely set or flexibly connects setting with described face shield body.
Above-mentioned structure, by air pump outside pure air is supplied with appendix, appendix constantly offers air-supply mask in a steady stream with pure air again, air pressure in the space between air-supply mask and the human body face is slightly greater than dust mask external environment condition air pressure, the pure air of the gas that the workman sucks after putting on for squeezing into from external environment condition through air pump by appendix, breath is discharged outward by the air filtration course of face shield body, solved the problem of unsmooth breath, because the gas pressure in the dust mask is less times greater than external environment condition air pressure, human body was not both dashed the sensation that expands by gas by the position that face shield seals, it is very smooth and easy again to exhale, simultaneously, the air filtration layer is difficult for being stopped up by the dust thing in the environment, is of value to human body health.
Description of drawings
Fig. 1 is the structural representation of the utility model specific embodiment.
Fig. 2 is the main TV structure schematic diagram in part of the present utility model.
Fig. 3 be among Fig. 2 along A-A to the sectional structure schematic diagram.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
As Fig. 1, Fig. 2, shown in Figure 3, air-supply mask of the present utility model, comprise face shield body 1 and the air filtration layer 5 that is arranged on described face shield body, also comprise air pump 3 and appendix 2, described face shield body is provided with air inlet 4, described appendix one end is connected with described air pump exhaust outlet, and the appendix other end is arranged on described air inlet outer end and connects the space between described appendix connected surface cover body and the face and the cavity of air pump.Described appendix is a soft tube, can length be set according to concrete needs, and such as using in working environment at coal mines, described air pump can be arranged on aboveground or be arranged on the well head that other do not carry out coal mining activity, to guarantee the cleaning of supply gas.
Wherein, influence oxygen content in the air in order to prevent gas backstreaming, the appendix of described face shield body below is connected with check valve 8.
Appendix between described check valve and the air pump is connected with pressure regulator valve 6.The extension position that described pressure regulator valve is arranged on described appendix is adjusted to good to be suitable for hand, described pressure regulator valve is used to limit appendix provides the gas of stablizing pressure in air-supply mask, the pressure of described pressure regulator valve outlet is adjustable within the specific limits, adjust as required, the pressure regulator valve inlet pressure is relevant with the length of air pump outlet pressure and appendix, and generally the relative outlet pressure of inlet pressure is bigger.
Further, the cleanliness factor for the air that guarantees the air pump air inlet is provided with water filtering device 7 at described air pump air inlet end.To remove trifle in the world in the air.
The position of described air inlet 4 can be arranged on arbitrary position of described air-supply mask, and as best specific embodiment, described air inlet is positioned at and is suitable for the below that nose is worn the position on the face shield body.Be of value to nose like this and suck gas.
As Fig. 2, shown in Figure 3, described air inlet the inner is provided with unhurried current layer 9, and described unhurried current layer is provided with some passages 10 and is communicated with described air inlet 4 respectively.Because it is high slightly that the pressure of appendix outlet marks atmospheric pressure, dust mask is worn on facial its inside, back of going up and is in closed state, in order to relax the air-flow that appendix enters the space between facial and the face shield body, some pores disperse the gas flow of air inlet, further make the comfortable nature of facial perception.
Wherein, described unhurried current layer is provided with the air filtration layer.Filtered air improves the quality that sucks human body gas once more.
Described unhurried current layer is wholely set or flexibly connects setting with described face shield body.Flexible connection herein refers to removably be connected with described face shield body.Fig. 2, Figure 3 shows that and be wholely set.The concrete shape of described unhurried current layer is set to described nose lower shape suitable, and the part that top contacts with nose is provided with depression 11 downwards, and is more firm after wearing like this, and comfortableness is better.
Above-mentioned structure, by air pump outside pure air is supplied with appendix, appendix constantly offers air-supply mask in a steady stream with pure air again, air pressure in the space between air-supply mask and the human body face is slightly greater than dust mask external environment condition air pressure, the pure air of the gas that the workman sucks after putting on for squeezing into from external environment condition through air pump by appendix, breath is discharged outward by the air filtration course of face shield body, solved the problem of unsmooth breath, because the gas pressure in the dust mask is less times greater than external environment condition air pressure, human body was not both dashed the sensation that expands by gas by the position that face shield seals, it is very smooth and easy again to exhale, simultaneously, the air filtration layer is difficult for being stopped up by the dust thing in the environment, is of value to human body health.
Described air pump can be by many appendixs to a plurality of air-supply mask air feed, the power that air pump needs is bigger, can be by outer power supply source power supply, described air pump also can be set to single appendix to single air-supply mask air feed, and the power of air pump needs less, and powered battery can be set, the small portable setting not only is used in the workman of dust atmosphere operation, be equally applicable to wind sand environment or with serious pollution urban environment, water filtering device can be removed the sand and dust thing and wet air, and the scope of application is wider.
The utility model is not limited to above-mentioned embodiment, no matter do any variation on its shape or structure, every to utilize above-mentioned air-supply mask all be a kind of distortion of the present utility model, all should think and drop within the utility model protection domain.
Claims (8)
1. air-supply mask, comprise face shield body and the air filtration layer that is arranged on described face shield body, it is characterized in that, also comprise air pump and appendix, described face shield body is provided with air inlet, described appendix one end is connected with described air pump exhaust outlet, and the appendix other end is arranged on described air inlet outer end and connects the space between described appendix connected surface cover body and the face and the cavity of air pump.
2. air-supply mask as claimed in claim 1 is characterized in that, the appendix of described face shield body below is connected with check valve.
3. air-supply mask as claimed in claim 2 is characterized in that the appendix between described check valve and the air pump is connected with pressure regulator valve.
4. air-supply mask as claimed in claim 3 is characterized in that, described air pump air inlet end is provided with water filtering device.
5. as the arbitrary described air-supply mask of claim 1-4, it is characterized in that described air inlet is positioned at and is suitable for the below that nose is worn the position on the face shield body.
6. air-supply mask as claimed in claim 5 is characterized in that, described air inlet the inner is provided with the unhurried current layer, and described unhurried current layer is provided with some passages and is communicated with described air inlet respectively.
7. air-supply mask as claimed in claim 6 is characterized in that, described unhurried current layer is provided with filter course.
8. air-supply mask as claimed in claim 7 is characterized in that, described unhurried current layer is wholely set or flexibly connects setting with described face shield body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202457413U CN201692542U (en) | 2010-07-02 | 2010-07-02 | Air feed respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202457413U CN201692542U (en) | 2010-07-02 | 2010-07-02 | Air feed respirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201692542U true CN201692542U (en) | 2011-01-05 |
Family
ID=43393787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202457413U Expired - Fee Related CN201692542U (en) | 2010-07-02 | 2010-07-02 | Air feed respirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201692542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999305A (en) * | 2014-04-23 | 2019-07-12 | 瑞思迈有限公司 | For keeping the device of humidity in patient interface |
-
2010
- 2010-07-02 CN CN2010202457413U patent/CN201692542U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999305A (en) * | 2014-04-23 | 2019-07-12 | 瑞思迈有限公司 | For keeping the device of humidity in patient interface |
| CN109999305B (en) * | 2014-04-23 | 2022-01-07 | 瑞思迈私人有限公司 | Apparatus for maintaining humidity in a patient interface |
| CN114470452A (en) * | 2014-04-23 | 2022-05-13 | 瑞思迈私人有限公司 | Apparatus for maintaining humidity in a patient interface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20130702 |