CN204380020U - A kind of electric dust-proof respirator - Google Patents
A kind of electric dust-proof respirator Download PDFInfo
- Publication number
- CN204380020U CN204380020U CN201420859357.0U CN201420859357U CN204380020U CN 204380020 U CN204380020 U CN 204380020U CN 201420859357 U CN201420859357 U CN 201420859357U CN 204380020 U CN204380020 U CN 204380020U
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- air filter
- air
- filter
- net cylinder
- filtering net
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Abstract
The utility model discloses a kind of electric dust-proof respirator, comprising air filter and the electronic extraction fan for the air after filtering through air filter being delivered to face shield or mouth mask, air filter comprises the first air filter, second air filter and housing, shell one end is connected with electronic extraction fan, the other end of housing is connected with air inlet grid, the interlayer for preventing the air of the first air filter core from entering the second air filter core is provided with between first air filter and the second air filter, first air filter and have between the second air filter and housing and guide from the first air filter sidepiece air out the passage entering the second air filter sidepiece, the core of the second air filter communicates with electronic extraction fan.The structure of this electric dust-proof respirator is simple, can filter out the dust in air and impurity fully, can provide clean air for user.
Description
Technical field
The utility model belongs to dust-proof rebreather technical field, is specifically related to a kind of electric dust-proof respirator.
Background technology
In the operating environment such as mine, metallurgy, building, Dust Capacity be larger, staff works for a long time under dust etc. pollutes comparatively serious condition, due to can not clean air be breathed for a long time, cause very large harm to healthy, thus must wear corresponding dust-proof rebreather.But existing dust-proof rebreather filter effect is not good enough, in urgent need to be improved.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, provides a kind of electric dust-proof respirator.The structure of this electric dust-proof respirator is simple, can filter out the dust in air and impurity fully, can provide clean air, be convenient to promote the use of for user.
For achieving the above object, the technical solution adopted in the utility model is: a kind of electric dust-proof respirator, is characterized in that: comprise air filter and the electronic extraction fan for the air after described air filter filtration being delivered to face shield or mouth mask, described air filter comprises the first air filter, second air filter and the housing for holding described first air filter and the second air filter, one end of described housing is connected with electronic extraction fan, the other end of described housing is connected with the air inlet grid for guiding air to enter described first air filter core, the interlayer for preventing the air of the first air filter core from entering the second air filter core is provided with between described first air filter and the second air filter, described first air filter and have between the second air filter and housing and guide from the first air filter sidepiece air out the passage entering the second air filter sidepiece, the core of described second air filter communicates with electronic extraction fan.
Above-mentioned a kind of electric dust-proof respirator, it is characterized in that: described first air filter comprises the first filtering net cylinder, the arranged outside of described first filtering net cylinder has the first paper filter element, and the inwall of described first filtering net cylinder is provided with the first filter cotton layer and is positioned at the inner side screen cover inside the first filter cotton layer.
Above-mentioned a kind of electric dust-proof respirator, is characterized in that: be provided with filter paper layers between described inner side screen cover and the first filter cotton layer.
Above-mentioned a kind of electric dust-proof respirator, it is characterized in that: the second air filter comprises the second filtering net cylinder, the arranged outside of described second filtering net cylinder has the second paper filter element, the inwall of described second filtering net cylinder is provided with the second filter cotton layer, is provided with the 3rd air filter be communicated with electronic extraction fan in described second filtering net cylinder.
Above-mentioned a kind of electric dust-proof respirator, it is characterized in that: described 3rd air filter comprises the 3rd filtering net cylinder, one end of described 3rd filtering net cylinder is closed, the other end opening of described 3rd filtering net cylinder and being connected with electronic extraction fan, described 3rd filtering net cylinder arranged outside has filtering screen, one end of described filtering screen is closed, and the other end of described filtering screen is connected with electronic extraction fan, is provided with the 3rd paper filter element between described filtering screen and the 3rd filtering net cylinder.
Above-mentioned a kind of electric dust-proof respirator, it is characterized in that: the 3rd air filter comprises outer screen cover, one end of described outer screen cover is closed, the other end of described outer screen cover is provided with block, described block is connected with the location guard stretching into outer screen cover core, is provided with compound active carbon, bamboo fibre active carbon or activated carbon granule between described outer screen cover and location guard.
Above-mentioned a kind of electric dust-proof respirator, is characterized in that: described block offers the filler for loading activated carbon granule, described filler is provided with capping.
Above-mentioned a kind of electric dust-proof respirator, is characterized in that: be provided with filter cotton or filter paper in described air inlet grid.
Above-mentioned a kind of electric dust-proof respirator, is characterized in that: the quantity of described air filter is two.
The utility model compared with prior art has the following advantages:
1, structure of the present utility model is simple, rationally novel in design.
2, the utility model is under the effect of electronic extraction fan, air enters the core of the first air filter from air inlet grid, then enter between the first air filter and housing from the core of the first air filter, once filter, enter the air between the first air filter and housing, enter the second air filter core from the second air filter sidepiece and carry out secondary filter, be then delivered to face shield or mouth mask through snorkel, breathe for user.Through the filtration of two air filters, filter out the dust in air and impurity fully, clean air can be provided for user.
3, the utility model by arranging filter cotton or filter paper in air inlet grid, effectively achieves pre-filtering, further increase filter effect.
4, the utility model arranges compound active carbon, bamboo fibre active carbon or activated carbon granule by the outer screen cover on the 3rd air filter and between the guard of location, on dust-proof basis, turn increases gas defence function.
5, the quantity of air filter described in the utility model is two, effectively can increase air inflow like this, makes user can breathe sufficient air.
6, of the present utility model to realize cost low, and result of use is good, is convenient to promote the use of.
In sum, the utility model structure is simple, and rationally novel in design, functional reliability is high, long service life, good filtration effect, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of the 3rd air filter in the utility model embodiment 1.
Fig. 3 is the structural representation of the 3rd air filter in the utility model embodiment 2.
Fig. 4 is the structural representation of the utility model embodiment 3.
Fig. 5 is the structural representation of the utility model embodiment 4.
Description of reference numerals:
1-mouth mask; 2-electronic extraction fan; 3-housing;
4-air inlet grid; 5-the first air filter; 5-1-the first filtering net cylinder;
5-2-the first paper filter element; 5-3-the first filter cotton layer; 5-4-filter paper layers;
5-5-inner side screen cover; 6-interlayer; 7-the second air filter;
7-1-the second filtering net cylinder; 7-2-the second paper filter element; 7-3-the second filter cotton layer;
8-the three air filter; 8-1-the 3rd filtering net cylinder; 8-2-filtering screen;
8-3-the 3rd paper filter element; 8-4-adapter sleeve; 8-5-outer screen cover;
8-6-block; 8-7-location guard; 8-8-capping;
9-snorkel; 10-passage; 11-face shield.
Detailed description of the invention
Embodiment 1
A kind of electric dust-proof respirator as shown in Figure 1, comprises air filter, for covering on the mouth mask 1 at user's mouth and nose place and the electronic extraction fan 2 for the air after described air filter filtration being delivered to mouth mask 1, described air filter comprises the first air filter 5, second air filter 7 and the housing 3 for holding described first air filter 5 and the second air filter 7, one end of described housing 3 is connected with electronic extraction fan 2, the other end of described housing 3 is connected with the air inlet grid 4 for guiding air to enter described first air filter 5 core, the interlayer 6 for preventing the air of the first air filter 5 core from entering the second air filter 7 core is provided with between described first air filter 5 and the second air filter 7, described first air filter 5 and have between the second air filter 7 and housing 3 and guide from the first air filter 5 sidepiece air out the path 10 entering the second air filter 7 sidepiece, the core of described second air filter 7 communicates with electronic extraction fan 2.Namely air enters the core of the first air filter 5 from described air inlet grid 4 and enters between the first air filter 5 and housing 3 after filtering, the air entered between the first air filter 5 and housing 3 enters the second air filter 7 core from the second air filter 7 sidepiece, and the air of described second air filter 7 core is delivered to mouth mask 1 by snorkel 9 under the effect of electronic extraction fan 2.
In the present embodiment, described electronic extraction fan 2 adopts duplicate supply pattern, namely adopts 220V civil power to become 6V portable power source and 5V charger baby.
In the present embodiment, under the effect of electronic extraction fan 2, air enters the core of the first air filter 5 from air inlet grid 4, then enter between the first air filter 5 and housing 3 from the core of the first air filter 5, once filter, enter the air between the first air filter 5 and housing 3, enter the second air filter 7 core from the second air filter 7 sidepiece and carry out secondary filter, then be delivered to mouth mask 1 through snorkel 9, breathe for user.Through the filtration of two air filters, filter out the dust in air and impurity fully, clean air can be provided for user.
In the present embodiment, preferred way is, is provided with filter cotton or filter paper in described air inlet grid 4.By arranging filter cotton or filter paper in air inlet grid 4, effectively achieving pre-filtering, further increasing filter effect.
As shown in Figure 1, described first air filter 5 comprises the first filtering net cylinder 5-1, the arranged outside of described first filtering net cylinder 5-1 has the first paper filter element 5-2, and the inwall of described first filtering net cylinder 5-1 is provided with the first filter cotton layer 5-3 and is positioned at the inner side screen cover 5-5 inside the first filter cotton layer 5-3.Filter paper layers 5-4 is provided with between described inner side screen cover 5-5 and the first filter cotton layer 5-3.Described first filter cotton layer 5-3 and filter paper layers 5-4 all can change.
As shown in Figure 1, second air filter 7 comprises the second filtering net cylinder 7-1, the arranged outside of described second filtering net cylinder 7-1 has the second paper filter element 7-2, the inwall of described second filtering net cylinder 7-1 is provided with the second filter cotton layer 7-3, is provided with the 3rd air filter 8 be communicated with electronic extraction fan 2 in described second filtering net cylinder 7-1.Described second filter cotton layer 7-3 also can change.
In the present embodiment, air enters the core of the first air filter 5 from air inlet grid 4, namely in the screen cover 5-5 of inner side, the mesh of mesh again in the screen cover 5-5 of inner side and through the screen cover 5-5 of inner side successively after filtration on ply of paper 5-4, the first filter cotton layer 5-3, the first filtering net cylinder 5-1 and the first paper filter element 5-2, finally enter between the first air filter 5 and housing 3, effectively complete the once filtration to air.Then secondary filter is carried out, namely the air between the first air filter 5 and housing 3 is entered, after the mesh on the second filtering net cylinder 7-1 and the second filter cotton layer 7-3, the core of the second air filter 7 is entered successively after the second paper filter element 7-2 filters, again after being positioned at the filtration of the 3rd air filter 8 of the second air filter 7 core, under the effect of electronic extraction fan 2, deliver to face shield or mouth mask 1 by snorkel 9.
As shown in Figure 2, described 3rd air filter 8 comprises the 3rd filtering net cylinder 8-1, one end of described 3rd filtering net cylinder 8-1 is closed, the other end opening of described 3rd filtering net cylinder 8-1 and being connected with electronic extraction fan 2, described 3rd filtering net cylinder 8-1 arranged outside has filtering screen 8-2, one end of described filtering screen 8-2 is closed, and the other end of described filtering screen 8-2 is connected with electronic extraction fan 2, is provided with the 3rd paper filter element 8-3 between described filtering screen 8-2 and the 3rd filtering net cylinder 8-1.When specific works, air after the second air filter 7 filters, enter from the mesh of filtering screen 8-2, and after the 3rd paper filter element 8-3 filters, enter in the 3rd filtering net cylinder 8-1 by the mesh on the 3rd filtering net cylinder 8-1 again, then in the 3rd filtering net cylinder 8-1, enter electronic extraction fan 2.
As shown in Figure 2, in the present embodiment, described filtering screen 8-2 is provided with the adapter sleeve 8-4 for being threaded with electronic extraction fan 2.
Embodiment 2
As shown in Figure 3, the difference of the present embodiment and embodiment 1 is only: the 3rd air filter 8 comprises outer screen cover 8-5, one end of described outer screen cover 8-5 is closed, the other end of described outer screen cover 8-5 is provided with block 8-6, described block 8-6 is connected with the location guard 8-7 stretching into outer screen cover 8-5 core, compound active carbon is provided with between described outer screen cover 8-5 and location guard 8-7, bamboo fibre active carbon or activated carbon granule, described block 8-6 offers the filler for loading activated carbon granule, described filler is provided with capping 8-8.
In the present embodiment, by arranging compound active carbon, bamboo fibre active carbon or activated carbon granule between outer screen cover 8-5 and location guard 8-7, on dust-proof basis, turn increase gas defence function.
Embodiment 3
As shown in Figure 3, the difference of the present embodiment and embodiment 1 is only: the quantity of described air filter is two.Concrete, two described air filters can be symmetrical, effectively can increase air inflow, makes user can breathe sufficient air.
Embodiment 4
As shown in Figure 5, the difference of the present embodiment and embodiment 1 is only: described mouth mask 1 is replaced with face shield 11.In use, air enters the core of the first air filter 5 from described air inlet grid 4 and enters between the first air filter 5 and housing 3 after filtering, the air entered between the first air filter 5 and housing 3 enters the second air filter 7 core from the second air filter 7 sidepiece, and the air of described second air filter 7 core is delivered to face shield 11 under the effect of electronic extraction fan 2.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.
Claims (9)
1. an electric dust-proof respirator, is characterized in that: comprise air filter and the electronic extraction fan (2) for the air after described air filter filtration being delivered to face shield or mouth mask; described air filter comprises the first air filter (5), second air filter (7) and the housing (3) for holding described first air filter (5) and the second air filter (7), one end of described housing (3) is connected with electronic extraction fan (2), the other end of described housing (3) is connected with the air inlet grid (4) for guiding air to enter described first air filter (5) core, the interlayer (6) for preventing the air of the first air filter (5) core from entering the second air filter (7) core is provided with between described first air filter (5) and the second air filter (7), described first air filter (5) and have between the second air filter (7) and housing (3) and the passage (10) entering the second air filter (7) sidepiece will be guided from the first air filter (5) sidepiece air out, the core of described second air filter (7) communicates with electronic extraction fan (2).
2. a kind of electric dust-proof respirator according to claim 1, it is characterized in that: described first air filter (5) comprises the first filtering net cylinder (5-1), the arranged outside of described first filtering net cylinder (5-1) has the first paper filter element (5-2), and the inwall of described first filtering net cylinder (5-1) is provided with the first filter cotton layer (5-3) and is positioned at the inner side screen cover (5-5) of the first filter cotton layer (5-3) inner side.
3. a kind of electric dust-proof respirator according to claim 2, is characterized in that: be provided with filter paper layers (5-4) between described inner side screen cover (5-5) and the first filter cotton layer (5-3).
4. a kind of electric dust-proof respirator according to claim 2, it is characterized in that: described second air filter (7) comprises the second filtering net cylinder (7-1), the arranged outside of described second filtering net cylinder (7-1) has the second paper filter element (7-2), the inwall of described second filtering net cylinder (7-1) is provided with the second filter cotton layer (7-3), is provided with the 3rd air filter (8) be communicated with electronic extraction fan (2) in described second filtering net cylinder (7-1).
5. a kind of electric dust-proof respirator according to claim 4, it is characterized in that: described 3rd air filter (8) comprises the 3rd filtering net cylinder (8-1), one end of described 3rd filtering net cylinder (8-1) is closed, the other end opening of described 3rd filtering net cylinder (8-1) and being connected with electronic extraction fan (2), described 3rd filtering net cylinder (8-1) arranged outside has filtering screen (8-2), one end of described filtering screen (8-2) is closed, the other end of described filtering screen (8-2) is connected with electronic extraction fan (2), the 3rd paper filter element (8-3) is provided with between described filtering screen (8-2) and the 3rd filtering net cylinder (8-1).
6. a kind of electric dust-proof respirator according to claim 4, it is characterized in that: the 3rd air filter (8) comprises outer screen cover (8-5), one end of described outer screen cover (8-5) is closed, the other end of described outer screen cover (8-5) is provided with block (8-6), described block (8-6) is connected with the location guard (8-7) stretching into outer screen cover (8-5) core, is provided with compound active carbon, bamboo fibre active carbon or activated carbon granule between described outer screen cover (8-5) and location guard (8-7).
7. a kind of electric dust-proof respirator according to claim 6, is characterized in that: described block (8-6) offers the filler for loading activated carbon granule, described filler being provided with capping (8-8).
8. a kind of electric dust-proof respirator according to claim 1, is characterized in that: be provided with filter cotton or filter paper in described air inlet grid (4).
9. a kind of electric dust-proof respirator according to claim 1, is characterized in that: the quantity of described air filter is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420859357.0U CN204380020U (en) | 2014-12-30 | 2014-12-30 | A kind of electric dust-proof respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420859357.0U CN204380020U (en) | 2014-12-30 | 2014-12-30 | A kind of electric dust-proof respirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204380020U true CN204380020U (en) | 2015-06-10 |
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ID=53352777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420859357.0U Expired - Fee Related CN204380020U (en) | 2014-12-30 | 2014-12-30 | A kind of electric dust-proof respirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204380020U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120622A (en) * | 2017-12-14 | 2018-06-05 | 北京航天易联科技发展有限公司 | It is a kind of can dust-proof heating gas sampling assembly |
-
2014
- 2014-12-30 CN CN201420859357.0U patent/CN204380020U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120622A (en) * | 2017-12-14 | 2018-06-05 | 北京航天易联科技发展有限公司 | It is a kind of can dust-proof heating gas sampling assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150610 Termination date: 20171230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |