CN215310874U - Composite air filter screen - Google Patents
Composite air filter screen Download PDFInfo
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- CN215310874U CN215310874U CN202121722421.7U CN202121722421U CN215310874U CN 215310874 U CN215310874 U CN 215310874U CN 202121722421 U CN202121722421 U CN 202121722421U CN 215310874 U CN215310874 U CN 215310874U
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Abstract
The utility model discloses a composite air filter screen, which comprises a filter screen frame and a filter screen body, wherein the filter screen body consists of a first filter paper layer, a second filter paper layer, an activated carbon filling layer, a first resin film layer and a second resin film layer, an annular groove is formed in the middle of the inner side wall of the filter screen frame, the filter screen body is embedded in the annular groove, the filter screen body is bonded with the annular groove by using an adhesive, the activated carbon filling layer is filled between the first resin film layer and the second resin film layer, the edges of the first resin film layer and the second resin film layer are connected into a whole through laser edge sealing, the first filter paper layer is connected on the outer side wall of the first resin film layer in a covering manner, the second filter paper layer is connected to the outer side wall of the second resin film layer in a covering mode, and the edges of the first filter paper layer, the second filter paper layer, the first resin film layer and the second resin film layer are connected into a whole through laser edge sealing.
Description
Technical Field
The utility model belongs to the technical field of filter element nets, and particularly relates to a composite air filter net.
Background
Air purifier mainly is applied to and purifies a large amount of tiny granules of suspension in the air, wide application is in the environment and the home environment that produce the dust, and the filter core then is important component part among the air purifier, adsorption to tiny granule has a lot of effects, current air purifier's filter core net has two kinds of types usually, one kind is the filter core net that accords with by two-layer filter screen, another kind is by two-layer filter screen and compound adsorption material layer between two-layer filter screen constitutes, but these two kinds of filter core net are relatively poor at waterproof performance, get into the air filter effect variation that makes the filter core net when filter core net easily when the water, or even become invalid, based on this, it can waterproof air filter screen to be necessary to develop one kind.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a composite air filter screen to solve the above problems.
This utility model adopts for achieving the above purpose:
a composite air filter screen comprises a filter screen frame and a filter screen body, wherein the filter screen body consists of a first filter paper layer, a second filter paper layer, an active carbon filling layer, a first resin film layer and a second resin film layer, an annular groove is formed in the middle of the inner side wall of the filter screen frame, the filter screen body is embedded in the annular groove, the filter screen body is bonded with the annular groove by using an adhesive, the activated carbon filling layer is filled between the first resin film layer and the second resin film layer, the edges of the first resin film layer and the second resin film layer are connected into a whole through laser edge sealing, the first filter paper layer is connected on the outer side wall of the first resin film layer in a covering manner, the second filter paper layer is connected to the outer side wall of the second resin film layer in a covering mode, and the edges of the first filter paper layer, the second filter paper layer, the first resin film layer and the second resin film layer are connected into a whole through laser edge sealing.
It is further explained that the symmetrical central axial plane of the filter screen frame is coincident with the symmetrical central axial plane of the filter screen body.
Further, the first filter paper layer and the second filter paper layer are HEPA filter screens made of nylon resin materials.
Further, the first resin film layer and the second resin film layer are both polyethylene microporous filtering films, and the pore diameter of the polyethylene microporous filtering films is gradually increased from inside to outside.
Compared with the prior art, the utility model has the beneficial effects that:
through setting up first filter paper layer, second filter paper layer, active carbon filling layer, first resin rete, the complex of second resin rete as an organic whole, use in the actual time, the water that can prevent water filter screen body both sides accumulation in the setting of first resin rete, second resin rete soaks to the active carbon filling layer, only enables the air and enters into to the active carbon filling layer through the micropore on first resin rete, the second resin rete, has prolonged the life of whole filter screen.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
wherein: 1. a screen frame; 2. a filter screen body; 3. a first filter paper layer; 4. a second filter paper layer; 5. an activated carbon filling layer; 6. a first resin film layer; 7. a second resin film layer; 8. an annular groove.
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, the present invention provides the following technical solutions:
a composite air filter screen comprises a filter screen frame 1 and a filter screen body 2, wherein the filter screen body 2 comprises a first filter paper layer 3, a second filter paper layer 4, an active carbon filling layer 5 and a first resin film layer 6, second resin film layer 7 constitutes, filter screen frame 1's inside wall middle part is formed with annular groove 8, filter screen body 2 embedding sets up in annular groove 8, bond mutually through using the gluing agent between filter screen body 2 and the annular groove 8, activated carbon filling layer 5 fills and sets up between first resin film layer 6 and second resin film layer 7, first resin film layer 6 is connected as an organic whole through the laser banding with the border of second resin film layer 7, 3 cover connections of first filter paper layer are on the lateral wall of first resin film layer 6, 4 cover connections of second filter paper layer are on the lateral wall of second resin film layer 7, first filter paper layer 3, second filter paper layer 4, first resin film layer 6, the border of second resin film layer 7 is connected as an organic whole through the laser banding.
Wherein, the symmetrical central axial plane of the filter screen frame 1 is coincident with the symmetrical central axial plane of the filter screen body 2; the first filter paper layer 3 and the second filter paper layer 4 are all HEPA filter screens made of nylon resin materials; the first resin film layer 6 and the second resin film layer 7 are both polyethylene microporous filtering films, and the pore diameter of the polyethylene microporous filtering films is gradually increased from inside to outside.
Through with first filter paper layer 3, second filter paper layer 4, activated carbon filling layer 5, first resin rete 6, the complex of second resin rete 7 sets up as an organic whole, use in the actual time, first resin rete 6, the setting of second resin rete 7 can prevent that the water of 2 both sides accumulations of water filter screen body from infiltrating to activated carbon filling layer 5, only enable the air and pass through first resin rete 6, the micropore on the second resin rete 7 gets into to activated carbon filling layer 5, the life of whole filter screen has been prolonged.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a compound air filter screen, includes screen frame (1) and filter screen body (2), its characterized in that: the filter screen body (2) comprises a first filter paper layer (3), a second filter paper layer (4), an activated carbon filling layer (5), a first resin film layer (6) and a second resin film layer (7), an annular groove (8) is formed in the middle of the inner side wall of the filter screen frame (1), the filter screen body (2) is embedded in the annular groove (8), the filter screen body (2) is bonded with the annular groove (8) through using an adhesive, the activated carbon filling layer (5) is filled between the first resin film layer (6) and the second resin film layer (7), the first resin film layer (6) and the edge of the second resin film layer (7) are connected into a whole through a laser edge sealing, the first filter paper layer (3) is connected on the outer side wall of the first resin film layer (6) in a covering manner, the second filter paper layer (4) is connected on the outer side wall of the second resin film layer (7) in a covering manner, the edges of the first filter paper layer (3), the second filter paper layer (4), the first resin film layer (6) and the second resin film layer (7) are connected into a whole through laser edge sealing.
2. A composite air screen according to claim 1, wherein: the symmetrical central axial plane of the filter screen frame (1) is coincided with the symmetrical central axial plane of the filter screen body (2).
3. A composite air screen according to claim 1, wherein: the first filter paper layer (3) and the second filter paper layer (4) are HEPA filter screens made of nylon resin.
4. A composite air screen according to claim 1, wherein: the first resin film layer (6) and the second resin film layer (7) are both polyethylene microporous filtering films, and the pore diameter of the polyethylene microporous filtering films is gradually increased from inside to outside.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121722421.7U CN215310874U (en) | 2021-07-27 | 2021-07-27 | Composite air filter screen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121722421.7U CN215310874U (en) | 2021-07-27 | 2021-07-27 | Composite air filter screen |
Publications (1)
Publication Number | Publication Date |
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CN215310874U true CN215310874U (en) | 2021-12-28 |
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Family Applications (1)
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CN202121722421.7U Active CN215310874U (en) | 2021-07-27 | 2021-07-27 | Composite air filter screen |
Country Status (1)
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CN (1) | CN215310874U (en) |
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2021
- 2021-07-27 CN CN202121722421.7U patent/CN215310874U/en active Active
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