CN213610272U - Air purifier with replaceable filter material - Google Patents

Abstract

The air purifier with the replaceable filter material comprises an air inlet, an air outlet and an air flow channel arranged between the air inlet and the air outlet; a filter material component is arranged in the air flow channel; the filter material component comprises N filter material sheets and a fixed bracket; n is a natural number more than or equal to 2; the main body of each filter material sheet is provided with a filter material for filtering air; each filter material sheet is detachably arranged on the fixed bracket; the filter material pieces are enclosed to form a filter material assembly, so that the filter material assembly can filter and purify air entering from different directions. Each filter media piece detachably dress makes the filtering capability that air purifier can the independent combination wants on the not equidirectional of fixed bolster, and makes things convenient for each filter media piece freely to change independently, and the pertinence of changing the filter media is better, need not that the filter media is whole or carry out filtering component's whole change together with the support, and the cost is lower, and comprehensive efficiency is higher.

Description

Air purifier with replaceable filter material

Technical Field

The utility model relates to an air purifier especially relates to the air purifier that can freely change the filter media.

Background

The prior art air purifiers have various forms.

The filter screen of the air purifier with single-side air inlet is usually a single sheet and is arranged in the air flow channel. The single-side air inlet flaky filter screen has the advantages of small filtering air inlet area, single function and low comprehensive purification efficiency.

The filter screen of the air purifier with multi-side air inlet is usually a whole barrel-shaped filter screen, and when the air purifier needs to be replaced, the air purifier needs to be replaced integrally, so that the replacement cost is high. And the filtering characteristics of a whole filter screen are generally the same, and the filter screen also needs to be integrally replaced if different filtering requirements are needed.

In the air purifier, the sheet-shaped filter screens with lower cost are adopted, and a plurality of filter screens form a closed filter space to form a multi-surface air inlet filter system; the filter screens with different functions and different service lives can be freely combined, are assembled and disassembled in a plug-in mode, are convenient to replace, and solve the problems that the existing single-side air inlet type sheet filter screen type purifier is insufficient in filter area, high in replacement cost of multi-surface air inlet type cylindrical filter screens, single in fixed filter function and difficult to replace randomly. Can be according to the filter screen of different life-spans, the selectivity is changed, more practices thrift the cost, also can select different function filter screen combinations to play the use according to the demand, can satisfy diversified air filter requirement.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in avoiding above-mentioned prior art filter screen can not change or the higher weak point of whole replacement cost, and proposes a more economy, only needs to change the filter material piece, and makes up different filtering capability's air purifier design more easily.

The technical scheme for solving the technical problems is that the air purifier with the replaceable filter material comprises an air inlet, an air outlet and an air flow channel arranged between the air inlet and the air outlet; a filter material component is arranged in the air flow channel; the filter material component comprises N filter material sheets and a fixed bracket; n is a natural number more than or equal to 2; the main body of the filter material sheet is provided with a filter material for filtering air; each filter material sheet is detachably arranged on the fixed bracket; the filter material pieces are enclosed to form a filter material assembly, so that the filter material assembly can filter and purify air entering from different directions.

Each filter material sheet is made of filter materials with different filtering functions or different service lives; or each filter material sheet is made of filter materials with the same filtering function or the same service life; the two sides of each filter material sheet are provided with clamping strips; the fixed support comprises a support bottom surface, a support top surface and M support columns which are longitudinally arranged; the number of the struts is equal to that of the filter material sheets, namely M is a natural number more than or equal to 2, and M is equal to N; the bottom end of each strut is connected with the bottom surface of the support, each strut extends upwards, and the top end of each strut is connected with the top surface of the support; the top surface of the bracket is provided with a filter material component air outlet; the opposite surfaces of the pillars are provided with slots; the clamping strips on the two sides of the filter material sheet can be detachably inserted into the corresponding slots of the two support columns respectively; after all the filter material sheets are inserted into the corresponding slots, the filter material sheets are enclosed to form a hollow filter material component; the air to be purified enters from different directions and passes through each filter material sheet, and enters the filter material component through the filtration of each filter material sheet, and the filtered air flows out from the air outlet of the filter material component.

The filter material sheet is a plane; after all the filter material pieces are inserted into the corresponding slots, the filter material pieces are enclosed to form a hollow polyhedral filter material assembly.

The filter material sheets are four; four support columns are arranged; after the four filter material sheets are inserted into the slots of each pair of the supporting columns, the four filter material sheets are enclosed to form a hollow tetrahedral filter material assembly; treat that air-purifying filters the filter media subassembly inside through the filter media piece respectively from four directions, and the air after the filtration flows out from the filter media subassembly air outlet.

The filter material sheet is a cambered surface; the filter material sheets are divided into two pieces; two of the supporting columns are arranged; after the two filter material sheets are inserted into the corresponding slots on the support, the filter material sheets are enclosed to form a hollow cylindrical filter material component.

The filter material sheet comprises a plurality of filter material strips which are transversely arranged; the filter material strips are mutually connected to form a filter material net with a longitudinal section like a Z shape; the air enters the inner side from the outer side of the filter screen formed by the filter material strips, and then the air is purified and filtered.

The air purifier with the replaceable filter material also comprises a purifier main machine; the main machine of the purifier comprises a main machine shell, a main machine base, a main machine air outlet and a main machine air suction inlet; the shell wall at the lower part of the main machine shell is provided with a vent hole; the vent hole is used as an air inlet of the air purifier; the lower part of the main machine shell is hollow and is used for accommodating the filter material assembly; the bottom of the filter material component is detachably fixed on the base of the host machine; the main machine air outlet is arranged at the top of the main machine shell and is used as an air outlet of the air purifier; the main machine shell is internally provided with a clapboard which is used for dividing the hollow main body of the main machine shell into an upper part and a lower part; an air power device is arranged in the upper inner cavity of the main machine shell; the baffle is arranged above the filter material component, the host air suction inlet is arranged in the center of the baffle, and the position of the host air suction inlet corresponds to the air outlet of the filter material component; when the air purifier works, namely the internal air power device works, external air passes through the ventilation hole in the lower part of the main case to enter the lower part of the main case, then passes through the filter material sheets to enter the filter material component, and the filtered air flows out from the air outlet of the filter material component to enter the air suction inlet of the main machine and then is discharged from the air outlet of the main machine after passing through the air power device.

The main machine shell is in a hollow cylindrical shape; the lower part of the main casing is provided with a window for the filter material assembly to enter and exit the main casing; a rotating locking device is arranged on the host machine base; the bottom of the filter material component is detachably fixed on the base of the main machine through a rotating locking device.

The rotary locking device also comprises a rotary handle; a sealing ring is arranged above the air outlet of the filter material component; when the rotating handle drives the rotating locking device to rotate, the whole filter material component is lifted upwards along with the rotating locking device, so that the air outlet of the filter material component and the air suction inlet of the host are pressed and sealed through the sealing ring to form a closed air flow channel.

The main case also comprises a lower buckle cover; the lower buckle cover is used for covering the window and is connected with the main case main body through a magnetic part or an elastic buckle; the lower buckle cover is also provided with a buckle cover through hole for ventilation; the cover through hole (895) also serves as an air inlet of the air cleaner when the lower cover is fastened to the main chassis.

Compared with the prior art, technical scheme's in this application beneficial effect is: 1. the filter material sheets are detachably arranged on the fixed support, so that the filter material sheets are convenient to replace, and only the corresponding filter material sheets need to be replaced, so that the cost for replacing the filter material is lower; 2. the fixing bracket can at least fix two filter material sheets, different filter material sheets correspond to the air inlet in different directions, the air entering in all directions can be purified, and the purified air circulation efficiency is high; when the filter material is replaced, only the filter material in a specific direction needs to be replaced, the replacement is more targeted, and the comprehensive efficiency is higher; 3. at least two filter material sheets can be fixed on the fixing bracket, and different filter material sheets can be freely inserted; different filter material sheets can correspond to different filtering functions, so that the air purifier can freely combine the desired filtering functions; for example, a filter material sheet with the function of filtering macromolecular pollutants and a filter material sheet with the function of filtering small molecular pollutants can be arranged; after the filter material sheets with different materials and functions reach the corresponding service life, the filter material sheets are independently replaced without the need of replacing the whole filter sheet and the support.

Drawings

FIG. 1 is a schematic isometric projection of one of the preferred embodiments of the air purifier in an assembled state;

FIG. 2 is an isometric view of the air purifier with the lower cover 890 removed;

FIG. 3 is a schematic isometric view of lower cover 890;

FIG. 4 is a schematic perspective view of the air purifier in an exploded state with the lower cover 890 removed; the filter material assembly 100 is shown moved outside the purifier main body;

FIG. 5 is an isometric view of the air cleaner with the lower cover 890 and filter assembly 100 removed;

FIG. 6 is an isometric view of the filter assembly 100 in an exploded position;

FIG. 7 is an isometric view of the filter assembly with the filter sheet 150 partially removed;

FIG. 8 is a schematic perspective view of the filter assembly in an exploded position with the filter sheet 150 fully removed;

fig. 9 is a schematic cross-sectional orthographic view of the air cleaner in an assembled state along a longitudinal central axis, the direction of the arrows in the figure being the air flow direction.

Detailed Description

The following detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.

In the embodiment of the filter material replaceable air cleaner shown in fig. 1 to 2, the air cleaner includes an air inlet and an air outlet, and an air flow channel disposed between the air inlet and the air outlet; the air flow channel is provided with a filter material component 100; the filter assembly 100 includes N filter sheets 150 and a fixing bracket 160; n is a natural number more than or equal to 2; a filter material for air filtration is provided on the main body of each filter sheet 150; each filter media sheet 150 is removably mounted to the mounting bracket 160; the filter sheets 150 enclose the filter assembly 100 to allow the filter assembly 100 to filter and purify air entering from different directions.

A plurality of filter material pieces are detachably arranged on the fixed support, so that the filter material pieces are convenient to replace. And only the filter material sheet needs to be replaced pertinently, so that the cost for replacing the filter material is lower. If the air pollutant that one side air inlet corresponds is more, then the filter media piece consumption of this one side also can be very fast, and when the filter media piece life-span of this side was used up, the filter media piece life-span of other sides was not used up, at this moment, can only change this side life-span used up the filter media piece can, and the filter media piece of other sides can also continue to use. Due to the design, the replacement is more targeted, and the comprehensive efficiency is improved.

In some embodiments not shown in the drawings, each filter sheet 150 is made of a filter material having a different filtering function or a different service life; or each filter sheet 150 is made of a filter material having the same filtering function or the same service life.

Each filter material sheet has different filtering functions or filter materials with different service lives, so that the air purifier can have multiple purifying functions, and not only has a single purifying function. And the filter material piece life-span of different purification performance also can the diverse, can arrange a plurality of filter material pieces according to life is nimble. After the life-span of each filter media piece expires, freely change, can not influence each other, do not have the more abundant of usefulness a bit, the condition that can also use a bit, can both make the best use of things on every filter media piece of every direction, synthesize use cost and change maintenance cost all greatly reduced.

In the embodiment of the air cleaner with replaceable filter material shown in fig. 4 and fig. 7 to 9, the filter material sheets 150 are provided with clamping strips 155 on both sides; the fixed bracket 160 comprises a bracket bottom surface 162, a bracket top surface 163 and M vertically arranged pillars 161; the number of the struts 161 is equal to the number of the filter sheets 150, that is, M is a natural number greater than or equal to 2, and M is equal to N; the bottom end of each strut 161 is connected with the bracket bottom surface 162, each strut 161 extends upwards, and the top end of each strut 161 is connected with the bracket top surface 163; a filter material component air outlet 164 is arranged on the support top surface 163; the opposite surfaces of each support post 161 are provided with slots 166; the clamping strips 155 on the two sides of the filter material sheet 150 can be detachably inserted into one of the opposite slots 166 of the two support columns 161 respectively; after each filter sheet 150 is inserted into the corresponding slot 166, the hollow filter assembly 100 is formed by enclosing; air to be purified enters from different directions and passes through each filter material sheet 150, and enters the interior of the filter material assembly 100 after being filtered by each filter material sheet 150, and the filtered air flows out from the air outlet 164 of the filter material assembly.

In the embodiment of the filter-replaceable air cleaner shown in fig. 4 and fig. 7 to 9, the filter sheet 150 is a plane; after each filter element 150 is inserted into the corresponding slot 166, it encloses to form the hollow polyhedral filter element assembly 100. Four filter material sheets 150 are provided; there are four struts 161; after the four filter sheets 150 are inserted into the slots 166 of each pair of support columns 161, they form a hollow tetrahedral filter assembly 100; the air to be purified is filtered by each filter material sheet 150 from four directions and enters the filter material assembly 100, and the filtered air flows out from the filter material assembly air outlet 164.

In some embodiments not shown in the drawings, the filter sheet 150 is a curved surface; the filter sheet 150 has two pieces; two struts 161; after both filter sheets 150 are inserted into the slots 166 of the corresponding posts 161, they enclose the hollow cylindrical filter assembly 100. The air to be purified is filtered into the filter material assembly 100 through the two filter material sheets 150 from two directions, and the filtered air flows out from the filter material assembly air outlet 164.

In some embodiments not shown in the drawings, the filter sheet 150 is curved or flat; three filter media sheets 150 are provided; there are three struts 161; the three filter sheets 150 are inserted into the slots 166 of the corresponding posts 161 to form a triangular prism filter assembly 100. The air to be purified is filtered into the filter material assembly 100 through the three filter material sheets 150 from three directions, and the filtered air flows out from the filter material assembly air outlet 164.

In some embodiments not shown in the drawings, the filter sheet 150 is curved or flat; five filter medium sheets 150 are provided; five struts 161; after the five filter sheets 150 are inserted into the slots 166 on the corresponding support posts 161, they form a pentagonal prism filter assembly 100. Air to be purified is filtered into the filter material assembly 100 through the five filter material sheets 150 from five directions, and the filtered air flows out from the filter material assembly air outlet 164.

The design mode of the multiple filter material sheets enables the direction of the air inlet to be expanded, and on the basis that the air to be purified can be fully sucked into the outside, the purification in each direction is more targeted and the purification is more sufficient.

In the embodiment of the filter-replaceable air cleaner shown in fig. 4 and fig. 7-9, the filter sheet 150 includes a plurality of transversely disposed filter strips 158; the filter strips 158 are connected with each other to form a filter net with a Z-shaped section; the air enters the inner side from the outer side of the filter screen formed by the filter material strips 158, and then the air is purified and filtered. The filtering material net with the Z-shaped section furthest expands the contact between air and the filtering material in the air purifying and filtering process, and is beneficial to full purification.

In the embodiment of the air purifier with replaceable filter material shown in fig. 1 to 4 and 9, the air purifier further includes a purifier main body 800; the purifier host 800 comprises a host shell 810, a host base 820, a host air outlet 830 and a host air suction opening 840; a ventilation hole 811 is arranged on the shell wall at the lower part of the main machine shell 810; the ventilation hole 811 serves as an air inlet of the air cleaner; the lower part of the main casing 810 is hollow and is used for accommodating the filter material assembly 100; the bottom of the filter material assembly 100 is detachably fixed on the main machine base 820; the main machine air outlet 830 is arranged at the top of the main machine shell 810 and is used as an air outlet of the air purifier; a partition 850 is disposed in the main chassis 810 to divide the hollow main body of the main chassis 810 into an upper part and a lower part; an air power device 880 is arranged in the upper inner cavity of the main chassis 810; baffle 850 sets up in the top of filter media subassembly 100, and host computer inlet scoop 840 sets up in the center of baffle 850, and the position of host computer inlet scoop 840 corresponds with filter media subassembly air outlet 164.

As shown by the arrow direction in fig. 9, when the air cleaner is in operation, that is, when the internal aerodynamic device 880 is in operation, external air passes through the ventilation hole 811 at the lower portion of the main housing 810, enters the lower portion of the main housing 810, passes through the filter material sheets 150, enters the filter material assembly 100, flows out from the filter material assembly air outlet 164, enters the main machine air suction opening 840, passes through the aerodynamic device 880, and is discharged from the main machine air outlet 830.

In the embodiment of the filter-material-replaceable air cleaner shown in fig. 1 to 4, the main housing 810 is a hollow cylinder; a window 815 is arranged at the lower part of the main casing 810 and is used for allowing the filter material assembly 100 to enter and exit the main casing 810; the host base 820 is provided with a rotary locking device 860; the bottom of the filter material assembly 100 is detachably fixed on the main machine base 820 through a rotary locking device 860; the rotational lock 860 further includes a rotational handle 865.

In the embodiment of the filter-replaceable air cleaner shown in fig. 4 to 8, a sealing ring 167 is disposed above the air outlet 164 of the filter assembly; when the rotating handle 865 drives the rotating locking device 860 to rotate, the whole filtering material assembly 100 is lifted upwards along with the rotating locking device 830, so that the filtering material assembly air outlet 164 and the host air suction inlet 840 are pressed and sealed through the sealing ring 167 to form a closed air flow channel.

The direction of the arrow in fig. 2 is the direction of the rotational locking device 830 locked by the rotational handle 865. When locking is needed, the handle 865 is rotated according to the arrow indicating direction, so that the filter material assembly 100 can be locked, the air channel after filtering is sealed, and the purifying effect of the purifier is ensured. When the filter sheet 150 on the filter unit 100 needs to be replaced, the handle 865 is rotated in the opposite direction to the direction indicated by the arrow, so that the filter unit 100 can be unlocked, and then the filter unit 100 can be taken out to replace the filter sheet 150.

The double-headed arrows in fig. 7 indicate that the filter media sheet 150 can be inserted into or pulled out of the insertion slot 166, that moving the filter media sheet 150 upward will cause the filter media sheet 150 to be pulled out of the insertion slot 166, and that moving the filter media sheet 150 downward will cause the filter media sheet 150 to be inserted into the insertion slot 166.

In the embodiment of the filter media replaceable air cleaner shown in fig. 1 and 3, the main housing 810 further includes a lower cover 890; the lower cover 890 is used for covering the window 815, and the lower cover 890 is connected with the main body of the main chassis 810 through a magnetic component or a spring buckle; the lower buckle cover 890 is also provided with a buckle cover through hole 895 for ventilation; the cover through hole 895 also serves as an air inlet of the air cleaner when the lower cover 890 is fastened with the main chassis 810. The main chassis 810 is also provided with a cover opening 891 to facilitate the separation of the lower cover 890 from the main chassis 810.

Compared with the prior art, the air purifier with the replaceable filter material comprises an air inlet, an air outlet and an air flowing channel arranged between the air inlet and the air outlet; the air flow channel is provided with a filter material component 100; the filter assembly 100 includes N filter sheets 150 and a fixing bracket 160; n is a natural number more than or equal to 2; a filter material for air filtration is provided on the main body of each filter sheet 150; each filter media sheet 150 is removably mounted to the mounting bracket 160; the filter sheets 150 enclose the filter assembly 100 to allow the filter assembly 100 to filter and purify air entering from different directions. Each filter media piece detachably dress makes the filtering capability that air purifier can the independent combination wants on the not equidirectional of fixed bolster, and makes things convenient for each filter media piece freely to change independently, and the pertinence of changing the filter media is better, need not that the filter media is whole or carry out filtering component's whole change together with the support, and the cost is lower, and comprehensive efficiency is higher.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, and all the equivalent structures or equivalent processes that are made by using the contents of the specification and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the same way in the protection scope of the present invention.

Claims (10)

1. An air purifier with replaceable filter materials comprises an air inlet, an air outlet and an air flow channel arranged between the air inlet and the air outlet; the method is characterized in that:

a filter material component (100) is arranged in the air flow channel;

the filter material assembly (100) comprises N filter material sheets (150) and a fixing bracket (160); n is a natural number more than or equal to 2; a filter material for filtering air is arranged on the main body of the filter material sheet (150);

each filter material sheet (150) is detachably arranged on the fixed bracket (160); the filter sheets (150) are enclosed to form a filter assembly (100), so that the filter assembly (100) can filter and purify air entering from different directions.

2. The air cleaner as recited in claim 1, wherein the filter medium is replaceable,

each filter material sheet (150) is made of filter materials with different filtering functions or different service lives; or each filter material sheet (150) is made of filter materials with the same filtering function or the same service life;

clamping strips (155) are arranged on two sides of each filter material sheet (150); the fixed support (160) comprises a support bottom surface (162), a support top surface (163) and M support columns (161) which are longitudinally arranged; the number of the support columns (161) is equal to that of the filter material sheets (150), namely M is a natural number which is more than or equal to 2, and M is equal to N;

the bottom end of each strut (161) is connected with the bottom surface (162) of the bracket, each strut (161) extends upwards, and the top end of each strut (161) is connected with the top surface (163) of the bracket; the top surface (163) of the bracket is provided with a filter material component air outlet (164);

the opposite surfaces of the pillars (161) are provided with slots (166);

the clamping strips (155) at the two sides of the filter material sheet (150) can be detachably inserted into one slot (166) corresponding to the two support columns (161); after each filter material sheet (150) is inserted into the corresponding slot (166), the hollow filter material assembly (100) is formed by enclosing;

air to be purified enters from different directions and passes through each filter material sheet (150), the air enters the filter material component (100) through the filtration of each filter material sheet (150), and the filtered air flows out from the air outlet (164) of the filter material component.

3. The air cleaner with replaceable filter medium of claim 2,

the filter material sheet (150) is a plane; after each filter material sheet (150) is inserted into the corresponding slot (166), the filter material sheets are enclosed to form a hollow polyhedral filter material assembly (100).

4. The air cleaner as recited in claim 3, wherein the filter medium is replaceable,

four filter material sheets (150) are provided; four of the struts (161);

after the four filter material sheets (150) are inserted into the slots (166) of each pair of the support columns (161), the filter material components (100) of a hollow tetrahedron are formed in an enclosing way;

air to be purified is filtered by the filter material sheets (150) from four directions and enters the filter material assembly (100), and the filtered air flows out from the air outlet (164) of the filter material assembly.

5. The air cleaner with replaceable filter medium of claim 2,

the filter material sheet (150) is an arc surface;

the filter material sheet (150) has two sheets; two of the struts (161);

after the two filter material sheets (150) are inserted into corresponding slots (166) on the support columns (161), the hollow cylindrical filter material assembly (100) is formed in an enclosing mode.

6. The air cleaner as recited in claim 1, wherein the filter medium is replaceable,

the filter material sheet (150) comprises a plurality of filter material strips (158) which are transversely arranged;

the filter strips (158) are connected with each other to form a filter net with a longitudinal section like a Z shape; the air enters the inner side from the outer side of the filter screen formed by the filter material strips (158), and then the air is purified and filtered.

7. The air cleaner with replaceable filter medium as set forth in claim 3 or 5,

the purifier also comprises a purifier main machine (800);

the purifier main unit (800) comprises a main unit shell (810), a main unit base (820), a main unit air outlet (830) and a main unit air suction opening (840);

a ventilation hole (811) is arranged on the shell wall at the lower part of the main machine shell (810); the ventilation hole (811) serves as an air inlet of the air cleaner;

the lower part of the main machine shell (810) is hollow and is used for accommodating the filter material assembly (100); the bottom of the filter material assembly (100) is detachably fixed on the main machine base (820);

the main machine air outlet (830) is arranged at the top of the main machine shell (810) and is used as an air outlet of the air purifier;

a clapboard (850) is arranged in the main case (810) and is used for dividing the hollow main body of the main case (810) into an upper part and a lower part; an air power device (880) is arranged in the upper inner cavity of the main machine shell (810);

the partition plate (850) is arranged above the filter material assembly (100), the host air suction opening (840) is arranged in the center of the partition plate (850), and the position of the host air suction opening (840) corresponds to the air outlet (164) of the filter material assembly;

when the air purifier works, namely the internal air power device (880) works, external air passes through the vent hole (811) at the lower part of the main casing (810) and enters the lower part of the main casing (810), then enters the filter material assembly (100) through each filter material sheet (150), and the filtered air flows out from the air outlet (164) of the filter material assembly and enters the air suction port (840) of the main machine and then is discharged from the air outlet (830) of the main machine after passing through the air power device.

8. The air cleaner as recited in claim 7, wherein the filter medium is replaceable,

the main machine shell (810) is in a hollow cylindrical shape;

the lower part of the main casing (810) is provided with a window (815) for the filter material assembly (100) to enter and exit the main casing (810);

a rotary locking device (860) is arranged on the host base (820);

the bottom of the filter material assembly (100) is detachably fixed on the main machine base (820) through a rotating locking device (860).

9. The air cleaner as recited in claim 8, wherein the filter medium is replaceable,

the rotational locking device (860) further comprises a rotational handle (865);

a sealing ring (167) is arranged above the air outlet (164) of the filter material component;

when the rotating handle (865) drives the rotating locking device (860) to rotate, the filter material assembly (100) is integrally lifted upwards along with the rotating locking device (860), so that the filter material assembly air outlet (164) and the host air suction opening (840) are pressed and sealed through the sealing ring (167) to form a closed air flow channel.

10. The air cleaner as recited in claim 8, wherein the filter medium is replaceable,

the main chassis (810) further comprises a lower buckle cover (890); the lower buckle cover (890) is used for covering the window (815), and the lower buckle cover (890) is connected with the main machine shell (810) main body through a magnetic part or a spring buckle; the lower buckle cover (890) is also provided with a buckle cover through hole (895) for ventilation; the cover through hole (895) also serves as an air inlet of the air cleaner when the lower cover (890) is fastened to the main chassis (810).

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