CN220003327U - HEPA composite filter screen - Google Patents
HEPA composite filter screen Download PDFInfo
- Publication number
- CN220003327U CN220003327U CN202321243785.6U CN202321243785U CN220003327U CN 220003327 U CN220003327 U CN 220003327U CN 202321243785 U CN202321243785 U CN 202321243785U CN 220003327 U CN220003327 U CN 220003327U
- Authority
- CN
- China
- Prior art keywords
- wall
- shell
- filter screen
- sliding connection
- frame
- 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.)
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Links
- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 238000005192 partition Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 7
- 238000001914 filtration Methods 0.000 description 7
- 239000000428 dust Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a HEPA composite filter screen, in particular to the field of composite filter screens, which comprises a shell, a filter screen, a frame component and a cover plate component, wherein the filter screen is arranged on the inner wall of the frame component, the frame component is arranged on the inner wall of the shell, the cover plate component is arranged on the outer surface of the shell, the frame component comprises a rectangular frame, the outer surface of the rectangular frame is in sliding connection with the inner wall of the shell, the outer surface of the rectangular frame is fixedly connected with the outer surface of the filter screen, the inner wall of the shell is fixedly connected with a partition plate, and the outer surface of the partition plate is fixedly connected with a first rectangular strip.
Description
Technical Field
The utility model relates to the field of composite filter screens, in particular to a HEPA composite filter screen.
Background
HEPA divides five materials of PP filter paper, glass fiber, compound PP PET filter paper, melt-blown polyester non-woven fabrics and melt-blown glass fiber, has the characteristics of windage, big dust holding capacity, high filtration precision etc., can process into various sizes and shapes according to customer's needs, is fit for different model use.
The inventor finds that the composite filter screen is generally composed of multiple layers in daily work, and the proper requirement is achieved through multiple times of filtering, but after the filtering, the surface of the filter screen is internally blocked, so that the filtering efficiency of the filter is reduced.
In order to solve the problem that the filtering efficiency of a filter screen on the surface or the inner wall is reduced due to dust blockage, the prior art adopts a new replacement process, but the condition that the use condition of each layer of the filter screen is different occurs, so that the problem that the filter screen which can be continuously used is wasted during the replacement is caused.
Disclosure of Invention
The utility model provides a HEPA composite filter screen for solving the problem that a filter screen which can be continuously used is wasted during replacement.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: HEPA composite filter screen, including shell, filter screen, frame subassembly and apron subassembly, the filter screen sets up the inner wall at the frame subassembly, the frame subassembly sets up the inner wall at the shell, the apron subassembly sets up the surface at the shell, the frame subassembly includes rectangular frame, rectangular frame's surface and the inner wall sliding connection of shell, rectangular frame's surface and the surface fixed connection of filter screen, the inner wall fixedly connected with baffle of shell.
The effects achieved by the components are as follows: through setting up the frame components for when the filter screen needs to be changed, can take out the rectangular frame alone and change the filter screen alone, thereby prevent extravagant problem of the filter screen that can continue to use, and then solved the filter screen of surface or inner wall and lead to the problem that filtration efficiency reduces because of the dust jam.
Preferably, the outer surface of the partition plate is fixedly connected with a first rectangular strip, a first chute is formed in the outer surface of the rectangular frame, and the inner wall of the first chute is in sliding connection with the outer surface of the first rectangular strip.
The effects achieved by the components are as follows: through setting up first rectangle strip for the surface of first rectangle strip and the inner wall sliding connection of first spout, and then make first rectangle strip at the inner wall slip of first spout.
Preferably, a first round groove is formed in the outer surface of the rectangular frame, a cylinder is connected to the inner wall of the first round groove in a sliding mode, and one end of the cylinder is fixedly connected with the inner wall of the shell.
The effects achieved by the components are as follows: through setting up first circular slot for the inner wall sliding connection cylinder of first circular slot, and then the inner wall fixed connection of the one end of messenger cylinder and shell.
Preferably, the outer surface of rectangular frame has seted up first T-shaped groove, the inner wall sliding connection of first T-shaped groove has first T-shaped piece, the second spout has been seted up to the surface of first T-shaped piece, the inner wall of second spout and the surface sliding connection of first rectangle strip.
The effects achieved by the components are as follows: through setting up first T shape groove for the inner wall sliding connection first T shape piece in first T shape groove, and then make the surface of first T shape piece set up the second spout.
Preferably, the outer surface of the first T-shaped block is fixedly connected with a second rectangular strip, a second round groove is formed in the outer surface of the second rectangular strip, and the inner wall of the second round groove is in sliding connection with the outer surface of the cylinder.
The effects achieved by the components are as follows: through setting up the second rectangle strip for the surface of second rectangle strip sets up the second circular slot, and then makes the inner wall sliding connection cylinder of second circular slot.
Preferably, the cover plate assembly comprises a baffle, a second T-shaped block is fixedly connected to the outer surface of the baffle, a second T-shaped groove is formed in the outer surface of the shell, and the outer surface of the second T-shaped groove is slidably connected with the outer surface of the second T-shaped block.
The effects achieved by the components are as follows: through setting up the baffle for the surface fixed connection second T shape piece of baffle, through setting up the second T shape groove, the surface sliding connection of the inner wall in second T shape groove and second T shape piece.
Preferably, the outer surface of baffle has seted up first slot, the inner wall sliding connection of first slot has the C shape piece, the second slot has been seted up to the surface of shell, the surface sliding connection of second slot and C shape piece.
The effects achieved by the components are as follows: through setting up first slot for the inner wall sliding connection C shape piece of first slot, through setting up the second slot, the inner wall and the C shape piece sliding connection of making the second slot.
In summary, the beneficial effects of the utility model are as follows:
through mutually supporting of each spare part for when the filter screen needs to be changed, can take out the rectangular frame alone and change the filter screen alone, thereby prevent extravagant problem of the filter screen that can continue to use, and then solved the filter screen of surface or inner wall and lead to the problem that filtration efficiency reduces because of the dust jam.
Drawings
Fig. 1 is a perspective view of a HEPA composite screen.
Fig. 2 is a schematic structural view of a HEPA composite screen frame assembly.
Fig. 3 is an enlarged view of region a of fig. 2.
Fig. 4 is a schematic structural view of a HEPA composite screen cover assembly.
Fig. 5 is an enlarged view of region B of fig. 4.
Reference numerals illustrate:
1. a housing; 2. a filter screen; 3. a frame assembly; 31. a rectangular frame; 32. a partition plate; 33. a first rectangular bar; 34. a first chute; 35. a first circular groove; 36. a cylinder; 37. a first T-shaped slot; 38. a first T-block; 39. a second chute; 310. a second rectangular bar; 311. a second circular groove; 4. a cover plate assembly; 41. a baffle; 42. a second T-block; 43. a second T-shaped slot; 44. a first slot; 45. a C-shaped block; 46. and a second slot.
Detailed Description
Referring to fig. 1, fig. 2 and fig. 3, this embodiment discloses a HEPA composite filter screen, including shell 1, filter screen 2, frame subassembly 3 and apron subassembly 4, filter screen 2 sets up the inner wall at frame subassembly 3, frame subassembly 3 sets up the inner wall at shell 1, apron subassembly 4 sets up the surface at shell 1, frame subassembly 3 includes rectangular frame 31, rectangular frame 31's surface and shell 1's inner wall sliding connection, rectangular frame 31's surface and filter screen 2's surface fixed connection, shell 1's inner wall fixedly connected with baffle 32.
Referring to fig. 2 and 3, this embodiment discloses that the outer surface of the partition plate 32 is fixedly connected with a first rectangular bar 33, the outer surface of the rectangular frame 31 is provided with a first chute 34, by arranging the first rectangular bar 33, the inner wall of the first chute 34 is slidably connected with the outer surface of the first rectangular bar 33, the outer surface of the rectangular frame 31 is provided with a first circular groove 35, the inner wall of the first circular groove 35 is slidably connected with a cylinder 36, by arranging the first circular groove 35, the cylinder 36 is slidably connected with the inner wall of the first circular groove 35, and one end of the cylinder 36 is fixedly connected with the inner wall of the housing 1.
Referring to fig. 2 and 3, this embodiment discloses that the outer surface of the rectangular frame 31 is provided with a first T-shaped groove 37, the inner wall of the first T-shaped groove 37 is slidably connected with a first T-shaped block 38, by setting the first T-shaped groove 37, the first T-shaped block 38 is slidably connected with the inner wall of the first T-shaped groove 37, the outer surface of the first T-shaped block 38 is provided with a second chute 39, the inner wall of the second chute 39 is slidably connected with the outer surface of the first rectangular bar 33, the outer surface of the first T-shaped block 38 is fixedly connected with a second rectangular bar 310, the outer surface of the second rectangular bar 310 is provided with a second circular groove 311, by setting the second rectangular bar 310, the second circular groove 311 is provided with the outer surface of the second rectangular bar 310, and the inner wall of the second circular groove 311 is slidably connected with the outer surface of the cylinder 36.
Referring to fig. 4 and 5, this embodiment discloses that the cover plate assembly 4 includes a baffle 41, the outer surface fixedly connected with second T-shaped block 42 of baffle 41, through setting up baffle 41 for second T-shaped block 42 fixed connection is at the surface of baffle 41, and second T-shaped groove 43 has been seted up to the surface of shell 1, and the surface of second T-shaped groove 43 and the surface sliding connection of second T-shaped block 42, through setting up second T-shaped groove 43, makes second T-shaped block 42 at the inner wall sliding connection of second T-shaped groove 43.
Referring to fig. 4 and 5, this embodiment discloses that the outer surface of the baffle 41 is provided with a first slot 44, the inner wall of the first slot 44 is slidably connected with a C-shaped block 45, by setting the first slot 44, the C-shaped block 45 is slidably connected with the inner wall of the first slot 44, the outer surface of the housing 1 is provided with a second slot 46, the second slot 46 is slidably connected with the outer surface of the C-shaped block 45, and by setting the second slot 46, the C-shaped block 45 is slidably connected with the inner wall of the second slot 46.
The working principle is as follows: when the filter screen 2 needs to be replaced, the second rectangular bar 310 is pulled up, so that the second rectangular bar 310 drives the first T-shaped block 38 to slide, the second rectangular bar 310 drives the rectangular frame 31 to be pulled out from the inner wall of the shell 1 through the first T-shaped block 38 when being pulled up, the rectangular frame 31 slides on the outer surface of the first rectangular bar 33 through the first sliding groove 34 in the pulling-out process, the frame component 3 plays a role in auxiliary fixation, so that the filter screen 2 cannot shake when being inserted into the frame, the rectangular frame 31 slides on the outer surface of the cylinder 36 through the first circular groove 35 in the pulling-out process, the cylinder 36 plays a role, so that the rectangular frame 31 cannot deviate when being inserted into the inner wall of the shell 1, the first T-shaped block 38 slides out from the inner wall of the first T-shaped groove 37, the filter screen 2 can be removed, when the new filter screen 2 needs to be inserted, the first T-shaped block 38 slides on the inner wall of the first T-shaped groove 37, the second circular groove 311 and the first circular groove 35 are aligned and then inserted into the shell 1 through the cylinder 36, the second circular groove 36 is inserted into the inner wall of the shell 1 through the first T-shaped groove 35, the second baffle plate 45 is inserted into the second baffle plate 41, and the second baffle plate 41 is inserted into the second baffle plate 41 through the second baffle plate 45, and the second baffle plate 41 is installed through the second baffle plate 45, and the baffle plate 41 is installed.
Claims (7)
- HEPA composite filter screen, including shell (1), filter screen (2), frame subassembly (3) and apron subassembly (4), its characterized in that: the filter screen (2) set up the inner wall at frame subassembly (3), frame subassembly (3) set up the inner wall at shell (1), apron subassembly (4) set up the surface at shell (1), frame subassembly (3) include rectangular frame (31), the surface of rectangular frame (31) and the inner wall sliding connection of shell (1), the surface of rectangular frame (31) and the surface fixed connection of filter screen (2), the inner wall fixedly connected with baffle (32) of shell (1).
- 2. The HEPA composite screen according to claim 1, wherein: the outer surface of baffle (32) fixedly connected with first rectangle strip (33), first spout (34) have been seted up to the surface of rectangular frame (31), the inner wall of first spout (34) and the surface sliding connection of first rectangle strip (33).
- 3. The HEPA composite screen according to claim 1, wherein: the outer surface of the rectangular frame (31) is provided with a first round groove (35), the inner wall of the first round groove (35) is connected with a cylinder (36) in a sliding mode, and one end of the cylinder (36) is fixedly connected with the inner wall of the shell (1).
- 4. The HEPA composite screen according to claim 2, wherein: the outer surface of rectangular frame (31) has seted up first T-shaped groove (37), the inner wall sliding connection of first T-shaped groove (37) has first T-shaped piece (38), second spout (39) have been seted up to the surface of first T-shaped piece (38), the outer surface sliding connection of the inner wall of second spout (39) and first rectangular strip (33).
- 5. The HEPA composite screen according to claim 4, wherein: the outer surface of the first T-shaped block (38) is fixedly connected with a second rectangular strip (310), a second round groove (311) is formed in the outer surface of the second rectangular strip (310), and the inner wall of the second round groove (311) is in sliding connection with the outer surface of the cylinder (36).
- 6. The HEPA composite screen according to claim 1, wherein: the cover plate assembly (4) comprises a baffle plate (41), a second T-shaped block (42) is fixedly connected to the outer surface of the baffle plate (41), a second T-shaped groove (43) is formed in the outer surface of the shell (1), and the outer surface of the second T-shaped groove (43) is slidably connected with the outer surface of the second T-shaped block (42).
- 7. The HEPA composite screen according to claim 6, wherein: the outer surface of baffle (41) has seted up first slot (44), the inner wall sliding connection of first slot (44) has C shape piece (45), the surface of shell (1) has seted up second slot (46), the surface sliding connection of second slot (46) and C shape piece (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321243785.6U CN220003327U (en) | 2023-05-22 | 2023-05-22 | HEPA composite filter screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321243785.6U CN220003327U (en) | 2023-05-22 | 2023-05-22 | HEPA composite filter screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220003327U true CN220003327U (en) | 2023-11-14 |
Family
ID=88674708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321243785.6U Active CN220003327U (en) | 2023-05-22 | 2023-05-22 | HEPA composite filter screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220003327U (en) |
-
2023
- 2023-05-22 CN CN202321243785.6U patent/CN220003327U/en active Active
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| GR01 | Patent grant |