CN114857722B - Portable air purifier with multiple filtration subassembly - Google Patents

Portable air purifier with multiple filtration subassembly Download PDF

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Publication number
CN114857722B
CN114857722B CN202210415699.2A CN202210415699A CN114857722B CN 114857722 B CN114857722 B CN 114857722B CN 202210415699 A CN202210415699 A CN 202210415699A CN 114857722 B CN114857722 B CN 114857722B
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CN
China
Prior art keywords
cartridge
filter
shell
clamping
base
Prior art date
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Active
Application number
CN202210415699.2A
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Chinese (zh)
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CN114857722A (en
Inventor
何双林
谭岳平
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Shenzhen Sepitek Cleaning Technology Co ltd
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Shenzhen Sepitek Cleaning Technology Co ltd
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Priority to CN202210415699.2A priority Critical patent/CN114857722B/en
Publication of CN114857722A publication Critical patent/CN114857722A/en
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Publication of CN114857722B publication Critical patent/CN114857722B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20Casings or covers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/32Supports for air-conditioning, air-humidification or ventilation units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/15Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
    • F24F8/158Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses a portable air purifier with multiple filtering components, which comprises a fixed cylinder, wherein a centrifugal fan capable of being moved upwards and taken out is arranged on the inner side of the fixed cylinder, the centrifugal fan is clamped on the inner side of the fixed cylinder, a fan housing for exhausting air outwards is clamped at the upper end of the fixed cylinder, a shell for coarsely filtering the entering air is detachably connected to the lower end of the fixed cylinder, the outside air is coarsely filtered through the shell, the filtered air is finely filtered again through a filter element, so that the air has a better filtering effect, meanwhile, when the filter element is replaced, the filter element can be easily taken out by detaching a bottom plate, the replaced filter element penetrates through a base and is inserted into the inner side of the shell, and meanwhile, the filter element is more convenient to replace by elastic compression through a movable plate on the bottom plate.

Description

Portable air purifier with multiple filtration subassembly
Technical Field
The invention relates to the technical field of air purifiers, in particular to a portable air purifier with multiple filtering components.
Background
The air purifier is also called as an air cleaner, an air freshener and a purifier, and can adsorb, decompose or convert various air pollutants (generally including PM2.5, dust, pollen, peculiar smell, decoration pollution such as formaldehyde, bacteria, allergen and the like), and household appliances for effectively improving the air cleanliness are mainly divided into household appliances, commercial appliances, industries and buildings, and are widely used by people due to the good air purifying effect.
The applicant of the present invention found that the existing air purifier has poor air filtering effect, is inconvenient for replacing the filter element, and is inconvenient for using and operating the air purifier.
Disclosure of Invention
The invention aims to provide a portable air purifier with multiple filtering components, which aims to solve the problems that the existing air purifier is poor in air filtering effect, inconvenient to replace a filter element and inconvenient to use and operate.
The invention is realized in the following way:
The utility model provides a portable air purifier with multiple filtration subassembly, including the fixed section of thick bamboo, the inboard of fixed section of thick bamboo is provided with the centrifugal fan that can upwards remove and take out, and centrifugal fan clamps in the inboard of fixed section of thick bamboo, the fan housing that is equipped with to exhaust outside is clamped to the upper end of fixed section of thick bamboo, and the lower extreme of fixed section of thick bamboo can be dismantled and be connected with the shell that carries out coarse filtration to the air that gets into, the inboard clamping of lower port of fixed section of thick bamboo has the baffle, and the center of baffle is provided with the vent, four terminal surfaces in the outside of shell are provided with the inlet port of evenly arranging, and the lower extreme of shell is installed and is fixed in the upper end inboard of base, the inboard center of shell is provided with the detachable filter core, and the filter core carries out the fine filtration to the air, the filter core passes the inboard at the base through the base of base and the filter core intercommunication, the upper end clamping of base can remove and fixed support, and the upper port inboard of base is provided with the fly leaf that compresses tightly the filter core, the upward side through setting up constantly makes the inlet port constantly get into the air, and carries out coarse filtration to the shell, filter the air, filter cartridge is convenient to remove the filter core through the filter core and remove the filter plate when the filter core is more flexible, the filter core can be removed through the filter core and remove the filter plate when the filter core is convenient to remove the filter.
Further, the upper port inboard of shell is provided with the draw-in groove with fixed section of thick bamboo joint complex, and the inboard four lateral walls of shell all are provided with the clamping groove, and the inboard of clamping groove is installed and is fixed with the filter, and the shell passes through draw-in groove and fixed section of thick bamboo joint to carry out the coarse filtration of air through installing the filter in the clamping groove.
Further, the filter core includes interior cartridge filter, and interior cartridge filter's lower port edge is provided with the bellied retaining ring in the outside, and interior cartridge filter's outside cover is equipped with outer cartridge filter, has installed the active carbon cartridge filter between outer cartridge filter and the interior cartridge filter, and active carbon cartridge filter upper end is provided with the clamping in outer cartridge filter and interior cartridge filter between the clamping ring, realizes the passage and the filtration of air through outer cartridge filter and interior cartridge filter to purify the air through the active carbon cartridge filter that sets up.
Further, the upper port of the fixed cylinder is internally provided with a sleeve groove for clamping the fan cover, the four side walls of the inner side of the fixed cylinder are respectively provided with a guide groove, the edge of the lower port of the fixed cylinder is provided with a plurality of clamping plates clamped in the clamping grooves, the four side surfaces of the inner side of the fixed cylinder are also provided with buckling grooves matched with the partition plates, and the fixing seat is used for clamping the centrifugal fan through the guide grooves and fixing the partition plates through the buckling grooves.
Further, the rotating shaft at the lower end of the centrifugal fan is fixed on the cross-shaped fixing frame, the end part of the fixing frame is clamped in the guide groove, the centrifugal fan is clamped in the guide groove through the fixing frame, and meanwhile, the centrifugal fan is convenient to detach.
Further, the outside of baffle is provided with the buckle of clamping in the catching groove, and the downside of baffle is provided with the retainer plate of cover including cartridge filter upper end, and the baffle carries out the clamping through the buckle to carry out the location clamping to the upper end of interior cartridge filter through the retainer plate.
Further, the upper surface of fan housing is provided with the air outlet of even arrangement, and the lower extreme of fan housing is provided with the block in the cover inslot, and the downside of fan housing still is provided with the picture peg of inserting in the guide way, and the fan housing carries out spacing blocking to the mount through the picture peg is placed in the guide way.
Further, the center of base is provided with the installing port, and the upper surface edge of base be provided with shell complex ring channel, the downside of shell is provided with the installation cavity, and the inboard top of installation cavity is provided with the fixed slot of a plurality of evenly distributed, and the base is realized installing the cartridge during installation through the installing port that sets up to realize the fixed clamping to the shell through the fixed slot.
Further, the bottom plate is close to four corners and all is provided with the hole of stepping down, and the inboard of the hole of stepping down is provided with the gyro wheel, and the upper end and the ejector pin fixed connection of electric telescopic handle of gyro wheel, and electric telescopic handle's upper end is installed and is fixed in the fixed slot, and the bottom plate pushes down the gyro wheel through the ejector pin of electric telescopic handle and then can remove air cleaner to support down.
Further, the center of the upper surface of the bottom plate is provided with a spring for propping up the movable plate, and the center of the upper surface of the bottom plate is provided with a spring groove for installing the spring, and the filter element is elastically compressed by the spring propping up the movable plate.
Compared with the prior art, the invention has the beneficial effects that:
Through the continuous upside of centrifugal fan that sets up blowing make the inlet port constantly get into the air, carry out coarse filtration through the shell to outside air this moment, the air after the filtration carries out fine filtration once more through the filter core and has better filter effect to the air from guaranteeing, when changing the filter core simultaneously, dismantle the bottom plate then can take out the filter core easily, pass the inboard of base at the shell with the filter core of changing, carry out elastic compression through the fly leaf on the bottom plate simultaneously, make the change of filter core more convenient, and when moving to the air purifier, through adjusting then can nimble removal to the bottom plate, use operation is more convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of a portable air purifier having multiple filter assemblies according to the present invention;
FIG. 2 is a schematic illustration of the housing of a portable air purifier with multiple filter assemblies according to the present invention;
FIG. 3 is a schematic illustration of a filter cartridge of a portable air purifier having multiple filter assemblies according to the present invention;
FIG. 4 is a schematic view of a stationary cartridge of a portable air purifier with multiple filter assemblies according to the present invention;
FIG. 5 is a schematic diagram of a centrifugal fan of a portable air purifier with multiple filter assemblies according to the present invention;
FIG. 6 is a schematic view of a partition of a portable air purifier with multiple filter assemblies according to the present invention;
FIG. 7 is a schematic view of a housing of a portable air purifier with multiple filter assemblies according to the present invention;
FIG. 8 is a schematic view of a base of a portable air purifier with multiple filter assemblies according to the present invention;
Fig. 9 is a schematic view of a base plate of a portable air purifier with multiple filter assemblies according to the present invention.
In the figure: 1. a fan housing; 110. an air outlet; 120. a clamping table; 130. inserting plate; 2. a fixed cylinder; 21. a sleeve groove; 22. a guide groove; 23. a clamping plate; 24. a buckling groove; 3. a housing; 31. a filter plate; 32. a clamping groove; 33. a clamping groove; 34. an air inlet hole; 4. a base; 41. an annular groove; 42. a mounting port; 43. a mounting cavity; 44. a fixing groove; 5. a bottom plate; 51. an electric telescopic rod; 52. a movable plate; 53. a spring; 54. a roller; 55. a relief hole; 6. a filter element; 61. a pressing ring; 62. an outer filter cartridge; 63. an activated carbon filter cartridge; 64. an inner filter cartridge; 65. a retainer ring; 7. a centrifugal fan; 71. a fixing frame; 8. a partition plate; 81. a vent; 82. a buckle; 83. and (5) fixing rings.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Embodiment 1, referring to fig. 1,2, 6 and 9, a portable air purifier with multiple filter components, comprising a fixed cylinder 2, a centrifugal fan 7 capable of moving upwards and being taken out is arranged at the inner side of the fixed cylinder 2, the centrifugal fan 7 is clamped at the inner side of the fixed cylinder 2, a fan housing 1 exhausting air outwards is clamped at the upper end of the fixed cylinder 2, a shell 3 for coarsely filtering the inlet air is detachably connected at the lower end of the fixed cylinder 2, a partition plate 8 is clamped at the inner side of the lower port of the fixed cylinder 2, a ventilation opening 81 is arranged at the center of the partition plate 8, evenly distributed air inlet holes 34 are arranged at four end surfaces at the outer side of the shell 3, the lower end of the shell 3 is fixedly inserted at the inner side of the upper end of a base 4, a detachable filter element 6 is arranged at the inner center of the shell 3, the filter element 6 finely filters the air, the filter element 6 is inserted at the inner side of the shell 3 through the base 4, the upper end of the filter element 6 is communicated with the ventilation opening 81, the bottom plate 5 which can move and fixedly support is clamped at the lower end of the base 4, the movable plate 52 which can elastically press the filter element 6 is arranged at the inner side of the upper port of the bottom plate 5, the air is continuously blown upwards through the arranged centrifugal fan 7 to enable the air inlet 34 to continuously enter the air, the outside air is coarsely filtered through the shell 3 at the moment, the filtered air is finely filtered again through the filter element 6 to ensure a better filtering effect on the air, meanwhile, when the filter element 6 is replaced, the filter element 6 can be easily taken out by detaching the bottom plate 5, the replaced filter element 6 passes through the base 4 and is inserted at the inner side of the shell 3, meanwhile, the movable plate 52 on the bottom plate 5 is elastically pressed, so that the replacement of the filter element 6 is more convenient, and when the air purifier is moved, the base plate 5 can be flexibly moved by adjusting, so that the use and the operation are more convenient.
Referring to fig. 2, a clamping groove 32 engaged with the fixed cylinder 2 is provided on the inner side of the upper port of the housing 3, clamping grooves 33 are provided on four inner side walls of the housing 3, a filter plate 31 is fixedly inserted into the inner side of the clamping grooves 33, the housing 3 is engaged with the fixed cylinder 2 through the clamping groove 32, and coarse filtration of air is performed through the filter plate 31 inserted into the clamping grooves 33.
Referring to fig. 3, the filter cartridge 6 includes an inner filter cartridge 64, a retainer ring 65 protruding outward is provided at a lower port edge of the inner filter cartridge 64, an outer filter cartridge 62 is sleeved outside the inner filter cartridge 64, an activated carbon filter cartridge 63 is interposed between the outer filter cartridge 62 and the inner filter cartridge 64, a pressing ring 61 clamped between the outer filter cartridge 62 and the inner filter cartridge 64 is provided at an upper end of the activated carbon filter cartridge 63, air passing and filtering are achieved through the outer filter cartridge 62 and the inner filter cartridge 64, and air is purified through the set activated carbon filter cartridge 63.
Referring to fig. 4, a sleeve groove 21 for clamping the fan housing 1 is formed in the inner side of the upper port of the fixed cylinder 2, guide grooves 22 are formed in four side walls of the inner side of the fixed cylinder 2, a plurality of clamping plates 23 clamped in the clamping grooves 32 are arranged at the edge of the lower port of the fixed cylinder 2, buckling grooves 24 matched with the partition plates 8 are further formed in four side surfaces of the inner side of the fixed cylinder 2, the fixed seat 2 clamps the centrifugal fan 7 through the arranged guide grooves 22, and clamping and fixing of the partition plates 8 are realized through the buckling grooves 24.
Referring to fig. 5, the rotary shaft at the lower end of the centrifugal fan 7 is fixed on a cross-shaped fixing frame 71, the end part of the fixing frame 71 is clamped in the guide groove 22, the centrifugal fan 7 is clamped in the guide groove 22 through the fixing frame 71 to realize clamping, and meanwhile, the centrifugal fan is convenient to detach.
Referring to fig. 6, a buckle 82 engaged in the buckle groove 24 is provided on the outer side of the partition plate 8, a fixing ring 83 is provided on the lower side of the partition plate 8 to be engaged with the upper end of the inner filter cartridge 64 through the buckle 82, and the upper end of the inner filter cartridge 64 is positioned and engaged with the fixing ring 83.
Referring to fig. 7, the upper surface of the fan housing 1 is provided with evenly arranged air outlets 110, the lower end of the fan housing 1 is provided with a clamping table 120 clamped in the sleeve groove 21, the lower side of the fan housing 1 is also provided with a plugboard 130 inserted in the guide groove 23, and the fan housing 1 is inserted in the guide groove 22 through the plugboard 130 to limit and block the fixing frame 71.
Referring to fig. 8, a mounting opening 42 is formed in the center of the base 4, an annular groove 41 matched with the housing 3 is formed in the edge of the upper surface of the base 4, a mounting cavity 43 is formed in the lower side of the housing 4, a plurality of uniformly distributed fixing grooves 44 are formed in the top of the inner side of the mounting cavity 43, the base 4 is inserted when the filter element 6 is mounted through the mounting opening 42, and the housing 3 is fixedly clamped through the fixing grooves 44.
Referring to fig. 9, the bottom plate 5 is provided with a yielding hole 55 near four corners, the inner side of the yielding hole 55 is provided with a roller 54, the upper end of the roller 54 is fixedly connected with the ejector rod of the electric telescopic rod 51, the upper end of the electric telescopic rod 51 is inserted and fixed in the fixed groove 44, the bottom plate 5 can move the air filter by supporting the roller 54 downwards through the ejector rod of the electric telescopic rod 51, the center of the upper surface of the bottom plate 5 is provided with a spring 53 propping up the movable plate 52, the center of the upper surface of the bottom plate 5 is provided with a spring groove for installing the spring 53, and the spring 53 is propped up against the movable plate 52 to elastically compress the filter element 6.
When the air purifier works, the centrifugal fan 7 continuously blows air to the upper side to enable the air inlet hole 34 to continuously suck air, the air is filtered through the filter plate 31 by impurities and dust in the air, the filtered air is filtered through the outer filter cylinder 62, the inner filter cylinder 64 and the active carbon filter cylinder 63 by harmful substances in the air, when the filter element 6 is replaced, the filter element 6 can be easily taken out by disassembling the bottom plate 5, the replaced filter element 6 passes through the mounting hole 42 on the base 4 and is inserted into the inner side of the shell 3, the movable plate 52 is mounted in the mounting hole 42, and then the bottom plate 5 is clamped on the base 4 to push the movable plate 52 through the spring 53 to elastically compress the filter element 6, so that the replacement of the filter element 6 is completed.
The device obtained through the design can basically meet the requirements of the existing air purifier on good air filtering effect, the filter element is convenient to replace, and meanwhile, the air purifier is convenient to use and operate, but the designer further improves the device on the basis of the aim of further improving the functions of the air purifier.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A portable air purifier with multiple filtration assemblies, comprising a fixed cartridge (2), characterized in that: the utility model discloses a filter cartridge, including filter cartridge (52) that can carry out the removal, fixed cylinder (2) inboard is provided with centrifugal fan (7) that can upwards remove and take out, and centrifugal fan (7) cartridge is inboard at fixed cylinder (2), fixed cylinder (2)'s upper end cartridge has fan housing (1) that is discharged outside, and fixed cylinder (2)'s lower extreme can dismantle and be connected with shell (3) that carries out coarse filtration to the air that gets into, fixed cylinder (2)'s lower port inboard cartridge has baffle (8), and baffle (8) center is provided with vent (81), four terminal surfaces in the outside of shell (3) are provided with inlet port (34) of evenly arranging, and the lower extreme of shell (3) is installed and is fixed in the upper end inboard of base (4), the inboard center of shell (3) is provided with detachable filter core (6), and filter core (6) carry out fine filtration to the air, filter core (6) are installed in the inboard of shell (3) through base (4), and the upper end and vent (81) intercommunication of filter core (6), base (4) are equipped with the filter core (6) that can carry out removal and carry out the bottom plate (52) on the filter cartridge (6) is equipped with in the movable plate (52), the utility model discloses a wind turbine, including inner filter cartridge (64), baffle plate (21) and baffle plate (8), baffle plate (8) are provided with baffle plate (64), baffle plate (64) are provided with bellied retaining ring (65) to outside in the lower port edge of inner filter cartridge (64), and the outside cover of inner filter cartridge (64) is provided with outer filter cartridge (62), install active carbon cartridge (63) between outer filter cartridge (62) and inner filter cartridge (64), and active carbon cartridge (63) are installed to the outside cover of inner filter cartridge (64), and active carbon cartridge (63) upper end is provided with clamping ring (61) between outer filter cartridge (62) and inner filter cartridge (64), the upper end of baffle plate (8) is provided with sleeve groove (21) of clamping fan housing (1), and the inboard four lateral walls of inner side of fixed cartridge (2) are all provided with guiding groove (22), the lower port edge of fixed cartridge (2) is provided with a plurality of clamping plates (23) of clamping in clamping groove (32), and the inboard four lateral surfaces of fixed cartridge (2) are provided with buckling grooves (24) of baffle plate (8) complex, the outside of baffle plate (8) is provided with clamping ring (82), and the lower side of clamping ring (21) is provided with clamping ring (21), the fan cover is characterized in that a plugboard (130) inserted in the guide groove (22) is further arranged on the lower side of the fan cover (1), a mounting opening (42) is formed in the center of the base (4), an annular groove (41) matched with the shell (3) is formed in the edge of the upper surface of the base (4), a mounting cavity (43) is formed in the lower side of the base (4), and a plurality of uniformly distributed fixing grooves (44) are formed in the top of the inner side of the mounting cavity (43).
2. The portable air purifier with the multiple filtering assemblies according to claim 1, wherein clamping grooves (32) matched with the fixed cylinder (2) in a clamping mode are formed in the inner side of the upper port of the shell (3), clamping grooves (33) are formed in the four side walls of the inner side of the shell (3), and a filter plate (31) is fixedly inserted into the inner side of the clamping grooves (33).
3. The portable air purifier with the multiple filtering assemblies according to claim 1, wherein a rotating shaft at the lower end of the centrifugal fan (7) is fixed on a cross-shaped fixing frame (71), and the end part of the fixing frame (71) is clamped in the guide groove (22).
4. The portable air purifier with the multiple filtering components according to claim 1, wherein the base plate (5) is provided with a yielding hole (55) at each of four corners close to the base plate, a roller (54) is arranged on the inner side of the yielding hole (55), the upper end of the roller (54) is fixedly connected with a top rod of the electric telescopic rod (51), and the upper end of the electric telescopic rod (51) is fixedly inserted into the fixing groove (44).
5. The portable air purifier with multiple filter assemblies according to claim 4, wherein the upper surface center of the base plate (5) is provided with a spring (53) pushing against the movable plate (52), and the upper surface center of the base plate (5) is provided with a spring groove mounting the spring (53).
CN202210415699.2A 2022-04-20 2022-04-20 Portable air purifier with multiple filtration subassembly Active CN114857722B (en)

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Application Number Priority Date Filing Date Title
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CN114857722B true CN114857722B (en) 2024-05-10

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