CN112413797A - Air cleaning screen of filter easy to disassemble - Google Patents
Air cleaning screen of filter easy to disassemble Download PDFInfo
- Publication number
- CN112413797A CN112413797A CN202011397565.XA CN202011397565A CN112413797A CN 112413797 A CN112413797 A CN 112413797A CN 202011397565 A CN202011397565 A CN 202011397565A CN 112413797 A CN112413797 A CN 112413797A
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- China
- Prior art keywords
- filter
- plate
- air
- shell
- cleaning screen
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- 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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
Abstract
The invention provides an air cleaning screen of an easily-detachable filter, which comprises a shell, the filter and a fan, wherein the shell is provided with an air inlet and an air outlet, the filter comprises a frame and a filter material, the shell is also internally provided with an air duct, under the action of the fan, air to be purified sequentially passes through the air inlet, the air duct, the filter and the air outlet to complete air purification, the shell is provided with a filter cavity and a cover plate, and the cover plate covers the shell; an air duct, a filter track and a fixing clamp plate are arranged in the filter cavity, the fixing clamp plate is in line contact with the filter to fix the filter in the filter cavity, and the air duct is arranged on the side of the filter track. According to the invention, the filter is fixed in the filter cavity by the line contact of the fixing clamp plate and the filter, when the filter is disassembled or replaced, the old filter can be taken out only by turning over the cover plate and opening the fixing clamp plate, then a new filter is put in along the filter track, the fixing clamp plate clamps the filter to be fixed, and the cover plate is closed, so that the filter can be replaced simply and conveniently.
Description
Technical Field
The invention relates to the field of air purification equipment, in particular to an air cleaning screen of a filter easy to disassemble.
Background
The air cleaning screen, also known as aerosol adsorber, medical air purifier etc. utilize air filtration system to be continuous with the gas in exterior space through air intake and filter screen and air purification filter purification treatment after, put back in the air again to reach the effect that keeps the space air clean, at present, the cleanliness factor of air cleaning screen air outlet can reach 100 grades. The clean screen of air is as one kind of air purification equipment to its economic nature, practicality, in the hospital, books , museum, the increasing use in each big occasion such as archives, if: various departments, corridors and the like of hospitals where microorganisms, bacteria and viruses are easy to spread and breed; laboratories and the like which are easy to generate aerosol in experimental operations such as centrifugation, stirring, uniform mixing, violent shaking and the like; libraries, museums, banks, etc. for cultural relics and ancient books which are susceptible to corrosion by chemical pollutants in the air; in industrial and mining workplaces where dust particles are bred, peculiar smell is pungent, and harmful gas is densely distributed, and the like; almost any room with people moving needs protection of the air cleaning screen.
The air cleaning screen on the market still has following technical defect:
(1) the filter element, namely the filter, is inconvenient to disassemble and replace, and the filter element is troublesome to replace.
(2) The noise is relatively large. The filter is not firmly fixed, and the filter easily collides with the shell under the action of wind force, so that noise is generated.
Disclosure of Invention
In order to solve the technical problem, the invention provides an air cleaning screen of an easily-detachable filter, which comprises a shell, the filter and a fan, wherein an air inlet and an air outlet are formed in the shell, the filter comprises a frame and a filter material, an air duct is further formed in the shell, and under the action of the fan, air to be purified sequentially passes through the air inlet, the air duct, the filter and the air outlet to complete air purification. The shell is provided with a filter cavity and a cover plate, and the cover plate covers the shell; the filter cavity is internally provided with an air duct, a filter track and a fixed clamp plate, the fixed clamp plate is in line contact with the filter to fix the filter in the filter cavity, and the air duct is arranged on the side of the filter track.
Further, the filter track comprises a left side plate, a right side plate, a bottom plate and a front plate, a filter air outlet is formed in the front plate, a filter cavity is formed among the left side plate, the right side plate and the bottom plate, and the filter is installed in the filter cavity.
Further, the fixed splint comprises a lower clamping portion, a connecting plate and an upper clamping portion, and the connecting plate connects the lower clamping portion and the upper clamping portion together.
The width of bottom plate is greater than the width of right side board and left side board, and the end of lower clamping part is articulated to be fixed on the bottom plate, is equipped with buckle subassembly in the upper clamping part, is equipped with the supporting subassembly of buckle that matches with the buckle subassembly on the upper edge of front bezel, or the upper edge of left side board, or the upper edge of right side board.
Furthermore, the upper edges of the left side plate, the right side plate and the front plate are provided with slopes.
Further, the fixed clamping plate is arranged diagonally, vertically or transversely relative to the filter; the end of the lower clamping part is hinged and fixed on the left side part, or the right side part, or the middle part of the bottom plate, and correspondingly, the buckle matching component is arranged on the right side part, or the left side part, or the middle part of the upper edge of the front plate; or the buckle matching component is arranged at the upper edge of the right side plate, the upper edge of the left side plate or the middle part.
Further, the distance between the lower clamping part and the front plate is equal to the thickness of the filter frame, and the lower clamping part is in line contact with the filter frame; the distance between the upper clamping part and the front plate is equal to the thickness of the filter frame, and the upper clamping part is in line contact with the filter frame; the upper end of lower clamping portion is equipped with the flexion, the lower extreme of upper clamping portion is equipped with the flexion, the flexion of lower clamping portion is connected to the one end of connecting plate, and the flexion of upper clamping portion is connected to the other end, and connecting portion are the arch and are connected with lower clamping portion and upper clamping portion respectively.
Furthermore, the folding direction of the filter material is transverse, the cross section of each connecting plate is triangular, and the surface of each connecting plate corresponding to the long edge of each triangle faces the filter material.
Further, the buckle matching component is a convex column, the buckle component is a U-shaped hook, or the buckle component is a lock catch.
Furthermore, one end of the cover plate is hinged with the shell, and the other end of the cover plate is fixedly connected with the shell in a buckling mode; a sealing gasket is further arranged in the cover plate.
Further, the cover plate is arranged on the upper part, or the left side part, or the right side part of the shell.
Furthermore, gaps are respectively arranged between the two sides of the filter cavity and the shell.
Has the advantages that: the invention sets a cover plate on the shell, the cover plate is hinged with the shell, the lower side of the cover plate is provided with a filter cavity, the filter cavity is internally provided with an air duct, a filter track and a fixed clamp plate, the fixed clamp plate is in line contact with the filter to fix the filter in the filter cavity, when the filter is disassembled or replaced, the old filter can be taken out only by turning over the cover plate and opening the fixed clamp plate, then a new filter is put in along the filter track, the fixed clamp plate clamps the filter to fix, and the cover plate is closed.
Drawings
FIG. 1 is a schematic view of an air cleaning panel of the filter of the present invention;
FIG. 2 is a schematic view of an air cleaning panel of the filter with no filter installed and easy to detach according to the present invention;
FIG. 3 is a schematic view of a filter chamber configuration;
FIG. 4 is a schematic view of a filter track and retaining clip;
FIG. 5 is a schematic view of the wind direction when the air to be purified is blown to the connecting plate;
FIG. 6 is a schematic view of a filter track with vertically arranged fixing clamping plates;
fig. 7 is a schematic view of a structure of the snap assembly and the snap mating assembly.
Detailed Description
Example 1: as shown in fig. 1 and 2, an air cleaning screen of an easily detachable filter includes a housing 100, a filter 200, and a fan 300, wherein the housing 100 is provided with an air inlet 101 and an air outlet 102, the filter includes a frame and a filter material, the housing 100 is further provided with an air duct 400, and under the action of the fan 300, air to be purified is filtered by the air inlet 101, the air duct 400, and the filter 200 in sequence and then discharged through the air outlet 102, thereby completing air purification.
As shown in fig. 1 and 2, a cover plate 500 is disposed on the upper portion of the casing 100, a filter chamber 600 is disposed below the cover plate 500 in the casing 100, and the cover plate 500 covers the casing 100; an air duct 400, a filter track 700 and a fixing clamp plate 800 are arranged in the filter cavity 600, the filter 200 is fixed in the filter cavity 600 by the fixing clamp plate 800, and the air duct 400 is arranged on the side of the filter track 700. Air to be purified enters the air duct 400 through the air inlet 101, turns through the air duct 400, turns again under the action of the cover plate in the filter shell 100, is filtered by the filter 200, and is discharged through the air outlet 102.
Further, as shown in fig. 3, the filter track 700 includes a left side plate 701, a right side plate 702, a bottom plate 703 and a front plate 704. The front plate 704 is provided with a filter outlet 7041, a filter cavity 600 is formed among the left side plate 701, the right side plate 702 and the bottom plate 703, and the filter 200 is installed in the filter cavity 600.
Preferably, the side surface of the left side plate 701, the side surface of the right side plate 702, and the lower surface of the bottom plate 703 are fixedly connected to a panel in the housing 100 in a sealing manner, and the lower side of the cover plate 500 is further provided with a sealing gasket, so that the sealing gasket and the filter frame on the lower side of the cover plate 500 are sealed, and air to be purified can only pass through the filter 200.
Further, as shown in fig. 3 and 4, the fixing clip 800 includes a lower clamping portion 801, a connecting plate 803, and an upper clamping portion 802, and the connecting plate 803 connects the lower clamping portion 801 and the upper clamping portion 802 together.
The width of the bottom plate 703 is greater than the width of the right side plate 702 and the left side plate 701, the end of the lower clamping portion 801 is hinged and fixed on the bottom plate 703, and further, the position where the end of the lower clamping portion 801 is hinged on the bottom plate 703 is: a distance of one standard filter 200 frame thickness from the front panel 704. Thus, the lower clamping portion 801 can firmly clamp the filter frame, and prevent the filter frame from shaking.
Preferably, the end of the lower clamping portion 801 is hinged to the side of the bottom plate 703.
The upper clamping portion 802 is provided with a buckle assembly 8021, and a buckle mating assembly 8022 mating with the buckle assembly 8021 is further provided in the filter track 700 or the housing 100. Upper clamp portion 802 secures the filter rim within filter cavity 600 via bayonet element 8021 and snap-fit element 8022.
Preferably, a snap mating assembly 8022 that mates with the snap mating assembly 8021 is provided on the upper edge of the front plate 704, or on the upper edge of the left side plate 701, or on the upper edge of the right side plate 702.
Further, the filter chamber 600 is matched with the filter 200, and the volume of the filter chamber 600 is equal to the volume of the filter 200. When installing a new filter 200, it is difficult to align the filter 200 with the filter rail 700 because the volume of the filter chamber 600 is equal to the volume of the filter 200, and slopes are provided at the upper edges of the left side plate 701, the right side plate 702, and the front plate 704, which serve to guide the filter 200, so that the filter 200 can be installed easily and quickly.
Further, the fixing clip 800 is disposed diagonally with respect to the filter 200. The end of the lower clamping portion 801 is hinged and fixed on the left side or the right side of the bottom plate 703, and correspondingly, the snap fit assembly 8022 is arranged on the right side or the left side of the upper edge of the front plate 704; alternatively, the snap fit assembly 8022 is provided on the upper edge of the right side plate 702 or the upper edge of the left side plate 701.
Further, the distance between the lower clamping portion 801 and the front plate 704 is equal to the thickness of the filter frame; the distance between the upper clamping portion 802 and the front panel 704 is equal to the thickness of the filter frame; the upper end of the lower clamping portion 801 is provided with a bending portion 8011, the lower end of the upper clamping portion 802 is provided with a bending portion 8023, one end of the connecting plate 803 is fixedly connected with the bending portion 8011 of the lower clamping portion, the other end of the connecting plate 803 is fixedly connected with the bending portion 8023 of the upper clamping portion, and the connecting portion 803 is connected with the lower clamping portion 801 and the upper clamping portion 802 in an arch shape respectively.
Further, because the fixing splint 800 is in a stick shape, when the air to be purified blows through the fixing splint 800, the air to be purified easily sends out a "whining" noise, in order to solve the technical problem, as shown in fig. 5, the invention provides specific requirements for the orientation of the filter, the folding direction 201 of the filter material is horizontal, the cross section of the connecting plate 803 is in a triangle shape, preferably, an isosceles triangle shape, the surface of the connecting plate corresponding to the long side of the triangle is facing the filter material, and the two isosceles surfaces are facing the direction in which the air to be purified blows.
When waiting that the air that purifies blows to connecting plate 803, under the direction effect of two wainscots, the air direction of waiting to purify changes, blows to filter 200 to prevented that solid fixed splint 800 from sending out the noise, moreover, because the book of filter material is horizontal, still can not increase the windage, reduced the filter effect, but also strengthened solid fixed splint 800's intensity.
Further, the buckle matching component 8022 is a convex column, and the buckle component 8021 is a U-shaped hook.
Further, one end of the cover plate 500 is hinged to the housing 100, and the other end is fixedly connected with the housing by means of a buckle; a sealing pad is also arranged in the cover plate 500.
Further, gaps are respectively provided between both sides of the filter chamber 600 and the housing 100.
Furthermore, a magnetic block is arranged on the fixed clamping plate and used for sucking the fixed clamping plate on the shell when the filter is replaced.
Example 2: as shown in fig. 1 and 2, an air cleaning screen of an easily detachable filter includes a housing 100, a filter 200, and a fan 300, wherein the housing 100 is provided with an air inlet 101 and an air outlet 102, the filter includes a frame and a filter material, the housing 100 is further provided with an air duct 400, and under the action of the fan 300, air to be purified is filtered by the air inlet 101, the air duct 400, and the filter 200 in sequence and then discharged through the air outlet 102, thereby completing air purification.
As shown in fig. 1 and 2, a cover plate 500 is disposed on the upper portion of the casing 100, a filter chamber 600 is disposed below the cover plate 500 in the casing 100, and the cover plate 500 covers the casing 100; an air duct 400, a filter track 700 and a fixing clamp plate 800 are arranged in the filter cavity 600, the filter 200 is fixed in the filter cavity 600 by the fixing clamp plate 800, and the air duct 400 is arranged on the side of the filter track 700. Air to be purified enters the air duct 400 through the air inlet 101, turns through the air duct 400, turns again under the action of the cover plate in the filter shell 100, is filtered by the filter 200, and is discharged through the air outlet 102.
Further, as shown in fig. 6, the filter track 700 includes a left side plate 701, a right side plate 702, a bottom plate 703 and a front plate 704. The front plate 704 is provided with a filter outlet 7041, a filter cavity 600 is formed among the left side plate 701, the right side plate 702 and the bottom plate 703, and the filter 200 is installed in the filter cavity 600.
Preferably, the side surface of the left side plate 701, the side surface of the right side plate 702, and the lower surface of the bottom plate 703 are fixedly connected to a panel in the housing 100 in a sealing manner, and the lower side of the cover plate 500 is further provided with a sealing gasket, so that the sealing gasket and the filter frame on the lower side of the cover plate 500 are sealed, and air to be purified can only pass through the filter 200.
The lower end of the fixed splint 800 is hinged on the bottom plate 703, and the upper end is provided with a buckle matching component 8021; the upper end of the front plate 704 is provided with a snap assembly 8022.
The fixing clamp plate 800 is further provided with a magnetic block for sucking the fixing clamp plate 800 on the shell when the filter is replaced, so that the filter is more convenient to replace.
The buckle assembly 8022 and the buckle mating assembly 8021 are fixed in a matching manner as shown in fig. 7, and the buckle mating assembly are mature products in the market, which will not be described again.
Preferably, the mounting clips 800 have 2 clips, vertically disposed with respect to the filter, in line contact with the filter frame to secure the filter within the filter track 700.
Example 3: the position of air intake and air outlet includes:
the air inlet with the air outlet is located the same side of casing respectively, or different sides, including the air inlet is located the preceding, back, left and right, upper and lower side of casing, and the air outlet is located the preceding, back, left and right, upper and lower side of casing, 36 kinds of circumstances, according to the position of air outlet and air inlet, can form 36 kinds of products.
Then according to the difference of the up-down position of the air inlet and the air outlet, including the upper side or the lower side of the air outlet, the air inlet and the air outlet are combined to be positioned on the same side or different sides, and 72 kinds of products can be formed. No matter where the air inlet and the air outlet are positioned, the invention belongs to the protection scope.
Example 4: the opening of the filter chamber 600 includes 5 directions of upward, leftward, rightward, frontward and backward, and the cover plate 500 is disposed at an upper portion, or a left portion, or a right portion, or a front portion, or a rear portion of the housing according to the opening direction of the filter chamber 600.
Preferably, the cover plate 500 is hinged to the housing in a flip-open manner.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.
Claims (10)
1. The utility model provides an air cleaning screen of quick detachable filter, includes casing, filter, fan, be equipped with air intake and air outlet on the casing, the filter includes frame and filter material, still be equipped with the wind channel in the casing, under the effect of fan, treat air-purifying in proper order through air intake, wind channel, filter, air outlet, accomplish air purification, its characterized in that: the shell is provided with a filter cavity and a cover plate, and the cover plate covers the shell; the filter cavity is internally provided with an air duct, a filter track and a fixed clamp plate, the fixed clamp plate is in line contact with the filter to fix the filter in the filter cavity, and the air duct is arranged on the side of the filter track.
2. The air cleaning screen of claim 1, wherein: the filter track comprises a left side plate, a right side plate, a bottom plate and a front plate, a filter air outlet is formed in the front plate, a filter cavity is formed among the left side plate, the right side plate and the bottom plate, and the filter is installed in the filter cavity.
3. An air cleaning screen with a readily removable filter according to claim 2, wherein: the fixed clamping plate comprises a lower clamping part, a connecting plate and an upper clamping part, and the lower clamping part and the upper clamping part are connected together by the connecting plate; the width of bottom plate is greater than the width of right side board and left side board, and the end of lower clamping part is articulated to be fixed on the bottom plate, is equipped with buckle subassembly in the upper clamping part, is equipped with the supporting subassembly of buckle that matches with the buckle subassembly on the upper edge of front bezel, or the upper edge of left side board, or the upper edge of right side board.
4. An air cleaning screen with a readily removable filter according to claim 2, wherein: the upper edges of the left side plate, the right side plate and the front plate are provided with slopes.
5. An air cleaning screen with a readily removable filter according to claim 3, wherein: the fixed clamping plate is arranged diagonally relative to the filter, or vertically or transversely; the end of the lower clamping part is hinged and fixed on the left side part, or the right side part, or the middle part of the bottom plate, and correspondingly, the buckle matching component is arranged on the right side part, or the left side part, or the middle part of the upper edge of the front plate; or the buckle matching component is arranged on the upper edge of the right side plate or the upper edge of the left side plate.
6. An air cleaning screen with a readily removable filter according to claim 3, wherein: the lower clamping part is in line contact with the filter frame, and the distance between the lower clamping part and the front plate is equal to the thickness of the filter frame; the upper clamping part is in line contact with the filter frame, and the distance between the upper clamping part and the front plate is equal to the thickness of the filter frame; the upper end of lower clamping portion is equipped with the flexion, the lower extreme of upper clamping portion is equipped with the flexion, the flexion of lower clamping portion is connected to the one end of connecting plate, and the flexion of upper clamping portion is connected to the other end, and connecting portion are the arch and are connected with lower clamping portion and upper clamping portion respectively.
7. An air cleaning screen with a readily removable filter according to claim 3, wherein: the folding direction of the filter material is transverse, the cross section of each connecting plate is triangular, and the surface of each connecting plate corresponding to the long edge of each triangle faces the filter material.
8. An air cleaning screen with a readily removable filter according to claim 3, wherein: the buckle matching component is a convex column, and the buckle component is a U-shaped hook; or the buckle assembly is a primary and secondary lock catch; the fixed clamping plate is also provided with a magnetic block for absorbing the fixed clamping plate on the shell when the filter is replaced.
9. The air cleaning screen of claim 1, wherein: one end of the cover plate is hinged with the shell, and the other end of the cover plate is fixedly connected with the shell through a buckle; a sealing gasket is further arranged in the cover plate.
10. The air cleaning screen of claim 1, wherein: the cover plate is arranged on the upper part, or the left side part, or the right side part of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011397565.XA CN112413797B (en) | 2020-12-03 | 2020-12-03 | Air cleaning screen of filter easy to disassemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011397565.XA CN112413797B (en) | 2020-12-03 | 2020-12-03 | Air cleaning screen of filter easy to disassemble |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112413797A true CN112413797A (en) | 2021-02-26 |
| CN112413797B CN112413797B (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011397565.XA Active CN112413797B (en) | 2020-12-03 | 2020-12-03 | Air cleaning screen of filter easy to disassemble |
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| Country | Link |
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| CN (1) | CN112413797B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000061232A (en) * | 1998-08-25 | 2000-02-29 | Fujitsu General Ltd | Filter device of air conditioner |
| US6193830B1 (en) * | 1994-12-22 | 2001-02-27 | Firma Carl Freudenberg | Pleated filter insert and method of manufacture |
| CN103727603A (en) * | 2014-01-21 | 2014-04-16 | 美埃（中国）环境净化有限公司 | Air purifier |
| CN207649057U (en) * | 2017-12-22 | 2018-07-24 | 上海奉直环境科技有限公司 | A kind of air-conditioner air outlet strainer fixing buckle |
| CN209576053U (en) * | 2018-11-29 | 2019-11-05 | 杭州中开广告有限公司 | A kind of Quick Release filter screen for air purifier |
| EP3587938A1 (en) * | 2018-06-27 | 2020-01-01 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Filter cleaning unit and air conditioner |
| CN210624758U (en) * | 2019-06-14 | 2020-05-26 | 山东帅迪医疗科技有限公司 | Air purifying screen |
| CN211011712U (en) * | 2019-12-06 | 2020-07-14 | 湛江爱康科技有限公司 | Portable replacing device for filter screen of purifier |
-
2020
- 2020-12-03 CN CN202011397565.XA patent/CN112413797B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6193830B1 (en) * | 1994-12-22 | 2001-02-27 | Firma Carl Freudenberg | Pleated filter insert and method of manufacture |
| JP2000061232A (en) * | 1998-08-25 | 2000-02-29 | Fujitsu General Ltd | Filter device of air conditioner |
| CN103727603A (en) * | 2014-01-21 | 2014-04-16 | 美埃（中国）环境净化有限公司 | Air purifier |
| CN207649057U (en) * | 2017-12-22 | 2018-07-24 | 上海奉直环境科技有限公司 | A kind of air-conditioner air outlet strainer fixing buckle |
| EP3587938A1 (en) * | 2018-06-27 | 2020-01-01 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Filter cleaning unit and air conditioner |
| CN209576053U (en) * | 2018-11-29 | 2019-11-05 | 杭州中开广告有限公司 | A kind of Quick Release filter screen for air purifier |
| CN210624758U (en) * | 2019-06-14 | 2020-05-26 | 山东帅迪医疗科技有限公司 | Air purifying screen |
| CN211011712U (en) * | 2019-12-06 | 2020-07-14 | 湛江爱康科技有限公司 | Portable replacing device for filter screen of purifier |
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| Publication number | Publication date |
|---|---|
| CN112413797B (en) | 2021-12-03 |
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