CN218895508U

CN218895508U - Air purifier

Info

Publication number: CN218895508U
Application number: CN202223362240.5U
Authority: CN
Inventors: 郑湘; 严义清; 杨波; 张胜哲
Original assignee: Shenzhen Intelligent Technology Co ltd; Shenzhen Puremate Technology Co Ltd
Current assignee: Shenzhen Intelligent Technology Co ltd; Shenzhen Puremate Technology Co Ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-04-21
Anticipated expiration: 2032-12-12

Abstract

The utility model provides an air purifier, which comprises an upper shell component, a lower shell component and a filter element component, wherein a first ventilation cavity with a through bottom is formed in the upper shell component, and an air outlet area communicated with the first ventilation cavity is further formed on the outer wall of the upper shell component; the lower shell component is arranged at the bottom end of the upper shell component and is matched with the upper shell component in a clamping way, a second ventilation cavity with a through top is formed in the lower shell component, an air inlet area communicated with the second ventilation cavity is further formed in the outer wall of the lower shell component, and the second ventilation cavity is communicated with the first ventilation cavity; the filter element component is arranged in the second ventilation cavity. According to the technical scheme, the disassembly and assembly convenience of the filter element assembly can be improved.

Description

Air purifier

Technical Field

The utility model relates to the technical field of air purification, in particular to an air purifier.

Background

The air purifier is internally provided with functional structures such as a filter element assembly, an air guide assembly and the like, and various air pollutants are filtered, adsorbed, decomposed or converted through the filter element assembly, so that the air purifying function can be realized. Among the prior art, air purifier's structure is comparatively complicated, only needs to dismantle partial casing and even inner structure and can change inside filter element assembly, and the operation is comparatively loaded down with trivial details, causes inconvenience for filter element assembly's dismouting and change.

Disclosure of Invention

The utility model mainly aims to provide an air purifier, which aims to improve the convenience in disassembly and assembly of a filter element assembly.

In order to achieve the above object, the present utility model provides an air purifier, comprising:

the upper shell assembly is internally provided with a first ventilation cavity with a through bottom, and the outer wall of the upper shell assembly is also provided with an air outlet area communicated with the first ventilation cavity;

the lower shell assembly is arranged at the bottom end of the upper shell assembly, is matched with the upper shell assembly in a clamping way, a second ventilation cavity with a through top is formed in the lower shell assembly, an air inlet area communicated with the second ventilation cavity is further formed in the outer wall of the lower shell assembly, and the second ventilation cavity is communicated with the first ventilation cavity; and

the filter element assembly is arranged in the second ventilation cavity.

Optionally, a clamping groove is formed in the end face, facing the upper shell component, of the lower shell component;

the upper shell assembly is towards one end of the lower shell assembly is provided with a locking structure, one end of the locking structure is elastically connected with the upper shell assembly so as to be movably arranged in the horizontal direction, the other end of the locking structure protrudes towards the lower shell assembly, and the upper shell assembly protrudes towards one end face of the lower shell assembly so as to be matched with the clamping groove in a clamping mode.

Optionally, the latch structure includes:

the movable part is arranged on the side wall of one end of the upper shell component, which faces the lower shell, and is elastically connected with the upper shell component, and the movable part is in an extending state and a retracting state in the horizontal direction; and

the clamping part is connected to the movable part and protrudes out of one end face of the upper shell assembly towards the lower shell assembly, and is used for being inserted into the clamping groove;

when the movable part is in the extending state, the clamping part is locked in the clamping groove so as to enable the upper shell component and the lower shell component to be matched in a clamping way;

when the movable part is in the retracted state, the clamping part is unlocked in the clamping groove.

Optionally, the lower case assembly includes:

the shell is internally provided with a containing space with a through top, and the outer wall of the shell is provided with an air inlet area communicated with the containing space; and

the inner shell is of a barrel structure, the outer side wall of one end of the inner shell is connected to the top of the inner wall of the outer shell, the clamping groove is formed in the top wall of the upper shell assembly in a direction, the other end of the inner shell extends into the accommodating space, and a second ventilation cavity with through upper ends and lower ends is formed in the inner shell so as to be respectively communicated with the first ventilation cavity and the accommodating space.

Optionally, a fixing piece is convexly arranged at one end, facing the upper shell component, of the inner side wall of the shell, a plurality of fixing pieces are arranged, and the fixing pieces are circumferentially arranged along the lower shell component;

the outer side wall of the upper end of the inner shell is also convexly provided with a fixing structure, the fixing structure is arranged along the outer side wall of the inner shell in a surrounding manner and is abutted to the inner wall of the outer shell, and the fixing structure is pressed on the top wall of the fixing piece to be fixedly connected with the fixing piece.

Optionally, the bottom of shell still is equipped with a plurality of support piece, the bottom butt of inner shell in the top of support piece.

Optionally, the inside wall of inner shell is protruding to be equipped with limit structure, the lateral wall of filter element assembly is concave to be equipped with the spacing groove, limit structure inserts and locates in the spacing groove.

Optionally, the filter element assembly is provided with a plurality of, and a plurality of filter element assemblies are arranged in a stacked manner in sequence along the air circulation direction of the second ventilation cavity.

Optionally, a handle structure is arranged on one side of the filter element assembly, which faces the upper shell assembly.

Optionally, the filter element assembly comprises a carbon cloth filter screen;

and/or, the filter element assembly comprises an activated carbon mesh.

According to the technical scheme, the upper shell component and the lower shell component are sequentially connected from top to bottom, a first ventilation cavity with a through bottom and a second ventilation cavity with a through top are respectively formed in the upper shell component and the lower shell component, and the first ventilation cavity and the second ventilation cavity are mutually communicated, so that air can enter the second ventilation cavity from an air inlet area of the lower shell component and is discharged into the outside from an air outlet area of the upper shell component after flowing through the first ventilation cavity. The filter element component is accommodated in the second ventilation cavity in the lower shell component and can adsorb, decompose or convert pollutants in air flowing through the second ventilation cavity so as to realize the purification function of the air purifier. Because the joint cooperation between epitheca subassembly and the inferior valve subassembly, then can conveniently dismouting epitheca subassembly and inferior valve subassembly, the filter core subassembly in the messenger inferior valve subassembly exposes to the external world when epitheca subassembly and inferior valve subassembly separation to can be when not changing the mounted position of other functional modules of air purifier, conveniently dismouting change the filter core subassembly in the air purifier, can improve the dismouting convenience of filter core subassembly from this.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a block diagram of an embodiment of an air purifier according to the present utility model;

FIG. 2 is an exploded view of a portion of the structure of the air purifier of FIG. 1;

FIG. 3 is an exploded view of a portion of the structure of the air purifier of FIG. 1 from another perspective;

FIG. 4 is a partial structure of the air purifier of FIG. 1;

FIG. 5 is a cross-sectional view of a portion of the structure of the air purifier of FIG. 4;

fig. 6 is an exploded view of a part of the structure of the air cleaner of fig. 4.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The present utility model proposes an air cleaner 100.

Referring to fig. 1 to 3, in some embodiments of the inventive air purifier 100, the air purifier 100 includes: the filter comprises an upper shell assembly 10, a lower shell assembly 20 and a filter element assembly 30, wherein a first ventilation cavity 11 with a through bottom is formed in the upper shell assembly 10, and an air outlet area 12 communicated with the first ventilation cavity 11 is further formed in the outer wall of the upper shell assembly 10; the lower shell assembly 20 is arranged at the bottom end of the upper shell assembly 10 and is in clamping fit with the upper shell assembly 10, a second ventilation cavity 221 with a through top is formed in the lower shell assembly 20, an air inlet area 214 communicated with the second ventilation cavity 221 is further formed on the outer wall of the lower shell assembly 20, and the second ventilation cavity 221 is communicated with the first ventilation cavity 11; the filter element assembly 30 is disposed within the second plenum 221.

In this embodiment, the air purifier 100 includes an upper shell assembly 10, a lower shell assembly 20 and a filter element assembly 30, specifically, the upper shell assembly 10 and the lower shell assembly 20 are sequentially connected from top to bottom, the bottom end of the upper shell assembly 10 is matched with the top end of the lower shell assembly 20 in a clamping manner, a first ventilation cavity 11 with a through bottom is formed in the upper shell assembly 10, a second ventilation cavity 221 with a through top is formed in the lower shell assembly 20, and the second ventilation cavity 221 is communicated with the first ventilation cavity 11. Wherein, the filter element assembly 30 is disposed in the second ventilation cavity 221 to filter, adsorb, decompose or transform the air contaminant flowing through the filter element assembly 30, and the air purifier 100 is further provided with a fan mechanism, which can generate negative pressure to drive the air to be purified from the air inlet area 214 into the air purifier 100. So set up, the air that waits to purify just can get into second ventilation chamber 221 through the air inlet district 214 of the outer wall of inferior valve subassembly 20 to get into first ventilation chamber 11 after the cleanness, the purification of the filter core subassembly 30 in the second ventilation chamber 221, finally discharge into external environment through the air-out district 12 of the outer wall of epitheca subassembly 10, thereby realize the purification performance of air purifier 100.

It should be noted that, in the related art, the structure of the air purifier 100 is relatively complex, and only a part of the casing and even a part of the internal structure in the casing need to be disassembled, so that the filter element assembly 30 inside the casing can be replaced, the operation is relatively complicated, and inconvenience is caused to the disassembly and replacement of the filter element assembly 30.

Therefore, it can be understood that in the technical solution of the present utility model, the upper shell assembly 10 and the lower shell assembly 20 of the air purifier 100 are engaged with each other, so that the upper shell assembly 10 and the lower shell assembly 20 can be conveniently detached, so that the filter element assembly 30 in the lower shell assembly 20 is exposed to the outside, and the filter element assembly 30 in the air purifier 100 can be conveniently disassembled and replaced without changing the installation positions of other functional components of the air purifier 100, thereby improving the convenience of disassembly and assembly of the filter element assembly 30.

Referring to fig. 2 or 3, in some embodiments of the air purifier 100, a clamping groove 222 is formed on an end surface of the lower housing component 20 facing the upper housing component 10; the one end of upper shell subassembly 10 orientation lower shell subassembly 20 is equipped with hasp structure 13, the one end of hasp structure 13 with upper shell subassembly 10 elastic connection is in order to set up movably in the horizontal direction, the other end orientation of hasp structure 13 lower shell subassembly 20 protrusion upper shell subassembly 10 orientation lower shell subassembly 20's one end terminal surface sets up, in order to with draw-in groove 222 joint cooperation.

In this embodiment, a clamping groove 222 is formed at one end of the lower shell assembly 20 facing the upper shell assembly 10, a locking structure 13 is formed at one end of the upper shell assembly 10 facing the lower shell assembly 20, the locking structure 13 can be in locking engagement with the clamping groove 222, so that the upper shell assembly 10 and the lower shell assembly 20 are fixedly connected, and the locking structure 13 can be unlocked in the clamping groove 222 and separated from the clamping groove 222, so that the upper shell assembly 10 and the lower shell assembly 20 are separated from each other. The latch structure 13 is elastically connected with the upper shell assembly 10 to be telescopically arranged in a horizontal direction, when the latch structure 13 is in a natural state, the latch structure 13 can extend in the horizontal direction and be latched in the clamping groove 222 so as to fixedly connect the lower shell assembly 20 with the upper shell assembly 10, and when the latch structure 13 is pressed by external force, the latch structure 13 can retract towards the upper shell assembly 10 in the horizontal direction so that the latch structure 13 can be separated from the clamping groove 222. Specifically, in one possible implementation manner, the clamping groove 222 includes a groove body with an open top and a clamping space arranged at one side of the bottom of the groove bottom, a clamping block is convexly arranged at one side of the bottom of the locking structure 13, and both the locking structure 13 and the clamping block can move in the groove body along the horizontal direction; when the locking structure 13 inserted into the clamping groove 222 is in a natural state, the clamping block extends towards the clamping space and is clamped in the clamping space, so that the locking structure 13 is locked in the clamping groove 222, at the moment, the locking structure 13 cannot be separated from the clamping groove 222, and the upper shell assembly 10 and the lower shell assembly 20 are in clamping fit; when the locking structure 13 is pressed by external force, the locking structure 13 retracts along the horizontal direction and drives the clamping block to move away from the clamping space until the clamping block is separated from the clamping space, at this time, the locking structure 13 can be separated from the groove body outwards, and the upper shell assembly 10 and the lower shell assembly 20 can be separated from each other.

In some embodiments, two locking structures 13 may be provided, where two locking structures 13 are respectively disposed on two opposite sidewalls of the upper case assembly 10, so as to improve the connection stability between the upper case assembly 10 and the lower case assembly 20.

Referring to fig. 2, in some embodiments of the air purifier 100 of the utility model, the locking structure 13 includes a movable portion 131 and a clamping portion 132, wherein the movable portion 131 is disposed on a side wall of the upper housing component 10 facing the lower housing and is elastically connected to the upper housing component 10, and the movable portion 131 has an extended state and a retracted state in a horizontal direction; the clamping part 132 is connected to the movable part 131, and protrudes out of an end surface of the upper shell assembly 10, which faces the lower shell assembly 20, and is configured to be inserted into the clamping groove 222; when the movable portion 131 is in the extended state, the locking portion 132 is locked in the locking groove 222, so that the upper shell assembly 10 and the lower shell assembly 20 are locked and matched; when the movable portion 131 is in the retracted state, the locking portion 132 is unlocked in the locking groove 222.

In this embodiment, the latch structure 13 includes a movable portion 131 and a clamping portion 132, specifically, the movable portion 131 is disposed on a side wall of one end of the upper shell assembly 10 facing the lower shell, and is elastically connected to the upper shell assembly 10, so as to be telescopically disposed in a horizontal direction, so that the movable portion 131 has an extended state under natural placement and a retracted state when being pressed by an external force; the clamping portion 132 is connected to the movable portion 131, and the protruding upper shell assembly 10 is disposed towards an end surface of the lower shell assembly 20, and is configured to be inserted into the clamping groove 222, where the clamping portion 132 can move along with the movable portion 131 in a telescopic manner along with the horizontal direction. When the movable part 131 is in the extending state, the clamping part 132 is locked in the clamping groove 222, so that the upper shell assembly 10 and the lower shell assembly 20 are in clamping fit; when the movable portion 131 is in the retracted state, the locking portion 132 is unlocked in the locking groove 222, so that the upper case assembly 10 and the lower case assembly 20 are separated from each other.

In some embodiments, a mounting groove is formed in a side wall of one end of the upper shell assembly 10, which faces the lower shell, the mounting groove extends in a horizontal direction, the movable portion 131 is movably arranged in the mounting groove, and a return spring is arranged on one side of the movable portion 131, which faces the bottom of the mounting groove. When the movable part 131 is pressed by external force, the reset spring is driven to compress to elastically deform, so that the movable part 131 can retract towards the inside of the mounting groove, and when the movable part 131 is in a natural state, the reset spring releases elastic potential energy and drives the movable part 131 to extend towards the notch of the mounting groove, so that the elastic connection between the movable part 131 and the upper shell assembly 10 can be realized.

Referring to fig. 4 to 6, in some embodiments of the inventive air purifier 100, the lower housing assembly 20 includes: an outer shell 21 and an inner shell 22, wherein a containing space 211 with a through top is formed in the outer shell 21, and an air inlet area 214 communicated with the containing space 211 is formed on the outer wall of the outer shell 21; the inner shell 22 is in a cylindrical structure, an outer side wall of one end of the inner shell 22 is connected to the top of the inner wall of the outer shell 21, the clamping groove 222 is formed towards the top wall of the upper shell assembly 10, the other end of the inner shell 22 extends into the accommodating space 211, and a second ventilation cavity 221 with through upper and lower ends is formed in the inner shell 22 so as to be respectively communicated with the first ventilation cavity 11 and the accommodating space 211.

In this embodiment, the lower shell assembly 20 includes an outer shell 21 and an inner shell 22, wherein the outer shell 21 is used as a mounting base of the inner shell 22, a containing space 211 with a through top is formed in the outer shell 21, and an air inlet area 214 communicated with the containing space 211 is formed on the outer wall of the outer shell 21, so that external air can enter the containing space 211 through the air inlet area 214; the inner shell 22 is of a hollow cylinder structure in the interior so as to form a second ventilation cavity 221 with through upper and lower ends, the top end of the second ventilation cavity 221 is communicated with the first ventilation cavity 11, and the bottom end of the second ventilation cavity 221 is communicated to the air inlet area 214 through the accommodating space 211. So configured, the air to be purified may first enter the accommodating space 211 from the air inlet area 214, then enter the second ventilation cavity 221 from the bottom end of the inner casing 22, and enter the external environment through the air outlet area 12 after sequentially flowing through the second ventilation cavity 221 and the first ventilation cavity 11.

In some embodiments, the bottom end of the inner shell 22 is disposed adjacent the air intake zone 214 to facilitate the flow of the gas to be cleaned into the air intake zone 214.

Referring to fig. 5 and 6, in some embodiments of the air purifier 100, a fixing member 212 is protruding from an end of the inner side wall of the housing 21 facing the upper housing assembly 10, and the fixing member 212 is provided with a plurality of fixing members 212 circumferentially surrounding the lower housing assembly 20;

the outer side wall of the upper end of the inner shell 22 is further provided with a fixing structure 223 in a protruding manner, the fixing structure 223 is arranged along the outer side wall of the inner shell 22 in a surrounding manner and is abutted to the inner wall of the outer shell 21, and the fixing structure 223 is pressed on the top wall of the fixing piece 212 to be fixedly connected with the fixing piece 212.

In this embodiment, a plurality of fixing members 212 are protruding from an inner side wall of the outer shell 21 toward one end of the upper shell, and the plurality of fixing members 212 are circumferentially disposed along a lower shell for supporting and fixedly mounting an upper end of the inner shell 22. Specifically, the outer side wall of the upper end of the inner casing 22 is convexly provided with a fixing structure 223, and the fixing structure 223 is circumferentially arranged along the outer side wall of the inner casing 22 and is abutted against the inner wall of the outer casing 21, so that a gap between the top of the inner casing 22 and the top of the outer casing 21 can be sealed, and air entering the accommodating space 211 can only enter the second ventilation cavity 221 through the lower end of the inner casing 22, so that the air entering the accommodating space 211 can be subjected to the purifying action of the filter element assembly 30 arranged in the second ventilation cavity 221. And, since the height of the inner case 22 is smaller than that of the outer case 21, the fixing structure 223 and the fixing member 212 are fixedly connected to fix the upper end of the outer case 21 and the upper end of the inner case 22, and the inner case 22 can be suspended in the outer case 21, so that an installation gap is left between the bottom of the inner case 22 and the bottom wall of the outer case 21, so that the gas to be purified enters the second ventilation chamber 221 from the lower end of the inner case 22.

Referring to fig. 5, in some embodiments of the air purifier 100 of the utility model, a plurality of supporting members 213 are further disposed at the bottom of the outer housing 21, and the bottom end of the inner housing 22 abuts against the top of the supporting members 213.

In this embodiment, the bottom of the housing 21 is further provided with a plurality of supporting members 213, and the plurality of supporting members 213 are circumferentially arranged along the circumference of the housing 21; the bottom of inner shell 22 butt in the top of support piece 213, so set up, can improve the structural stability of inner shell 22 through the supporting part 213 to the supporting and the spacing effect of inner shell 22.

Referring to fig. 6, in some embodiments of the air purifier 100, a limiting structure 224 is protruding from an inner side wall of the inner casing 22, a limiting groove 31 is recessed from an outer side wall of the filter element assembly 30, and the limiting structure 224 is inserted into the limiting groove 31.

In this embodiment, the inner side wall of the inner shell 22 is further provided with a limiting structure 224 in a protruding manner, the outer side wall of the filter element assembly 30 is provided with a limiting groove 31 in a recessed manner, and the limiting structure 224 is inserted into the limiting groove 31, so that the filter element assembly 30 can be stably limited in the inner shell 22, and the structural stability of the filter element assembly 30 is improved. And, so set up, when the assembly filter element assembly 30, spacing groove 31 can also play the effect of direction to spacing subassembly to can improve the assembly convenience of filter element assembly 30.

Referring to fig. 5 and 6, in some embodiments of the air purifier 100, the filter element assemblies 30 are disposed in a plurality of layers, and the filter element assemblies 30 are sequentially stacked along the air flowing direction of the second ventilation chamber 221.

In this embodiment, the filter element assemblies 30 are provided with a plurality of filter element assemblies 30, and the plurality of filter element assemblies 30 are sequentially stacked along the air flowing direction of the second ventilation cavity 221, so that the air flowing through the second ventilation cavity 221 can be sequentially purified at the plurality of filter element assemblies 30. In this manner, the purifying effect of the air purifier 100 can be further improved by the synergistic effect of the plurality of filter element assemblies 30 on the air purification. Moreover, when the user finds that the purifying capacity of the air purifier 100 is reduced, only a part of the filter screen assembly can be replaced according to actual requirements, so that the use cost of the air purifier 100 can be reduced to a certain extent; different types of filter screen assemblies can be replaced or matched according to actual requirements, so that the functionality of the air purifier 100 can be improved to a certain extent.

Referring to fig. 4-6, in some embodiments of the inventive air purifier 100, the side of the filter element assembly 30 facing the upper housing assembly 10 is provided with a handle structure 32.

In this embodiment, the side of the filter element assembly 30 facing the upper shell assembly 10 is provided with the handle structure 32, so that when the upper shell assembly 10 and the lower shell assembly 20 are in a separated state, the filter element assembly 30 can be conveniently extracted from the second ventilation cavity 221 through the handle structure 32, so that the convenience in disassembly and assembly of the filter element assembly 30 can be improved.

In some embodiments, handle structure 32 is a resilient structure that can compress or collapse when subjected to a force, and is configured to reduce the footprint of multiple cartridge assemblies 30 when stacked, facilitating assembly of multiple cartridge assemblies 30.

In some embodiments of the inventive air purifier 100, the filter element assembly 30 comprises a carbon cloth filter screen.

In this embodiment, the filter element assembly 30 is a carbon cloth filter screen, the carbon cloth filter screen includes a filter screen and small carbon particles uniformly distributed on the filter screen, and gaps between the small carbon particles are larger, so that resistance to air flow is smaller, thereby reducing the influence on the air circulation rate of the air purifier 100 while realizing the purification function. In addition, the air purifier 100 can have a better air purifying and cleaning effect through the double purifying effects of the filter screen and the carbon particles.

In some embodiments of the inventive air purifier 100, the filter element assembly 30 comprises an activated carbon mesh.

In this embodiment, the filter element assembly 30 is an activated carbon net, and the activated carbon net can adsorb gas molecules with smaller diameters through abundant apertures on the surface of the activated carbon, so that the peculiar smell of the polluted air can be effectively removed, and a better gas cleaning effect can be realized.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. An air purifier, comprising:

the filter element assembly is arranged in the second ventilation cavity.

2. The air cleaner of claim 1, wherein a slot is formed in an end surface of the lower housing assembly facing the upper housing assembly;

3. The air purifier of claim 2, wherein the latch structure comprises:

4. The air purifier of claim 2, wherein the lower housing assembly comprises:

5. The air purifier of claim 4, wherein a fixing member is arranged on one end of the inner side wall of the outer shell, which faces the upper shell component, in a protruding manner, and a plurality of fixing members are arranged in a surrounding manner along the circumference of the lower shell component;

6. The air cleaner of claim 4, wherein the bottom of the outer housing further includes a plurality of support members, and the bottom end of the inner housing abuts the top of the support members.

7. The air purifier of claim 4, wherein the inner side wall of the inner shell is convexly provided with a limiting structure, the outer side wall of the filter element assembly is concavely provided with a limiting groove, and the limiting structure is inserted into the limiting groove.

8. The air cleaner of claim 1, wherein the filter element assembly is provided in a plurality of filter element assemblies stacked in sequence along the air flow direction of the second vent chamber.

9. The air purifier of claim 7, wherein a side of the filter element assembly facing the upper housing assembly is provided with a handle structure.

10. The air purifier of any one of claims 1-9, wherein the filter element assembly comprises a carbon cloth screen;

and/or, the filter element assembly comprises an activated carbon mesh.