CN220205953U

CN220205953U - Air purifier

Info

Publication number: CN220205953U
Application number: CN202321965618.2U
Authority: CN
Inventors: 钟塔主; 柳良东
Original assignee: Ningbo Tianrui Intelligent Technology Co ltd
Current assignee: Ningbo Tianrui Intelligent Technology Co ltd
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2023-12-19
Anticipated expiration: 2033-07-25

Abstract

The utility model provides an air purifier, and relates to the technical field of air treatment. An air purifier, comprising: the device comprises an outer shell, wherein a first air outlet is formed in one side face of the outer shell, and first air inlets are formed in the other two side faces of the outer shell; the inner shell is arranged in the outer shell, a gap is formed between the inner shell and the outer shell, a second air outlet is formed in the side face, opposite to the first air outlet, of the inner shell, a second air inlet is formed in the side face, opposite to the first air inlet, of the inner shell, and a filter element mounting cavity is formed in the outer side of the second air inlet; at least one filter element, the filter element is arranged in the filter element installation cavity; the air guide mechanism is arranged in the inner shell; under the action of the air guide mechanism, air entering the first air inlet sequentially passes through the filter element, the second air inlet and the second air outlet and is discharged from the first air outlet. Through set up first air intake on two sides for this air purifier intake is big, and purification efficiency improves.

Description

Air purifier

Technical Field

The utility model belongs to the technical field of air treatment, and particularly relates to an air purifier.

Background

The air purifier is also called as an air cleaner, an air freshener and a purifier, and is a product capable of adsorbing, decomposing or converting various air pollutants and effectively improving the air cleanliness. The air purifier mainly comprises a motor, a fan, an air filter screen and other systems, and the working principle of the air purifier is as follows: the motor drives the fan to rotate so that indoor air circularly flows, and polluted air passes through the air filter screen to filter or adsorb various pollutants, and the filtered clean air is discharged out of the machine, so that the purposes of cleaning and purifying the air are achieved.

Although the existing air purifiers have respective advantages, the existing air purifiers have defects such as low air guiding efficiency of an air guiding mechanism, so that the air purifier is low in purifying speed, and a heating mechanism and a humidifying mechanism in the air purifier cannot be independently installed and used.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides an air purifier which is high in air guiding efficiency and capable of independently installing and using a heating mechanism and a humidifying mechanism in a modularized mode.

The aim of the utility model can be achieved by the following technical scheme: an air purifier, comprising:

the device comprises an outer shell, wherein a first air outlet is formed in one side face of the outer shell, and first air inlets are formed in the other two side faces of the outer shell;

the inner shell is arranged in the outer shell, a gap is formed between the inner shell and the outer shell, a second air outlet is formed in the side face, opposite to the first air outlet, of the inner shell, a second air inlet is formed in the side face, opposite to the first air inlet, of the inner shell, and a filter element mounting cavity is formed in the outer side of the second air inlet;

at least one filter element disposed in the filter element mounting cavity;

the air guide mechanism is arranged in the inner shell;

under the action of the air guide mechanism, air entering the first air inlet sequentially passes through the filter element, the second air inlet and the second air outlet and is discharged from the first air outlet.

As a further improvement of the utility model, the wind guiding mechanism comprises a motor and a wind wheel, wherein the wind wheel comprises a wheel wall and spokes which are arranged in the wheel wall and are connected with the wheel wall, the wheel wall is composed of a plurality of fan blades distributed along the circumferential direction, the motor is arranged in the wind wheel, and an output shaft of the motor is connected with the spokes.

As a further improvement of the utility model, two ends of the wheel wall are provided with circular rings, two ends of the fan blade in the length direction are respectively connected with the circular rings, and the fan blade is arranged in a cylindrical space formed by extending along the two circular rings.

As a further improvement of the utility model, the wind wheel is arranged in a cylindrical shape, the spoke divides the wind wheel into two parts, the motor is arranged in one part, and a plurality of reinforcing ribs and lightening holes distributed along the circumferential direction are arranged on the spoke.

As a further improvement of the utility model, the second air inlet is provided with an air inlet grille, the air inlet grille is provided with a mounting base, the motor is arranged on the mounting base, the side wall of the inner shell is provided with a reinforcing rod, and the reinforcing rod penetrates through the air inlet grille and is connected with the mounting base.

As a further improvement of the utility model, the inner shell comprises a filter element frame and an air guide shell, the filter element frame is arranged on two sides of the air guide shell, the air guide shell is respectively communicated with the second air inlet and the second air outlet, at least two installation spaces are arranged in the air guide shell, the installation spaces are distributed along the vertical direction, and the air guide mechanism is arranged in the installation spaces.

As a further improvement of the utility model, the air conditioner further comprises a heating mechanism, wherein the heating mechanism is arranged outside the second air outlet, the heating mechanism comprises a first part and a second part, a protruding part is arranged between the two installation spaces, and the protruding part is arranged between the first part and the second part.

As a further improvement of the utility model, at least one side surface is arranged between the side surface where the first air outlet is arranged and the side surface where the first air inlet is arranged, and at least one side surface is arranged between the side surfaces where the two first air inlets are arranged.

As a further improvement of the utility model, the humidifying device further comprises a humidifying mechanism, wherein the humidifying mechanism comprises a first water tank, a second water tank, a valve body and a humidifying filter screen, the first water tank is arranged above the inner shell, the humidifying filter screen is arranged outside the second air outlet, the second water tank is arranged above the humidifying filter screen, and the valve body is respectively connected with the first water tank and the second water tank through pipelines.

As a further improvement of the utility model, the humidifying mechanism further comprises a water recovery tank, wherein the water recovery tank comprises an upper cover body and a lower tank body which are connected, a water containing tank is arranged on the upper cover body, a water leakage hole is arranged on the side wall of the water containing tank, and the water leakage hole is communicated with the lower tank body.

Based on the technical scheme, the utility model at least has the following technical effects:

1. the first air outlet is formed in one side surface of the outer shell, and the first air inlets are formed in the other two side surfaces, so that the air inlet of the air purifier is large, the purification efficiency is improved, meanwhile, the inner shell is arranged in the outer shell, and a gap between the outer shell and the inner shell can be conveniently used for additionally arranging a heating mechanism and a humidifying mechanism without influencing the basic purification function;

2. the wind wheel is arranged to be cylindrical, and a plurality of blades distributed along the circumferential direction are used for forming the wheel wall of the wind wheel, so that the wind wheel has a good wind guiding effect;

3. the spoke is provided with the plurality of reinforcing ribs and the lightening holes which are distributed along the circumferential direction, so that the spoke can bear larger torque and rotating speed, and simultaneously lighten the weight of the spoke, thereby enabling the wind wheel to obtain better wind guiding effect;

4. the reinforcing rods are arranged on the side wall of the inner shell and penetrate through the air inlet grille to be connected with the mounting base, so that the motor is more firmly mounted, the motor can output with higher power, and the air guiding efficiency is improved;

5. at least two installation spaces are arranged in the air guide shell along the vertical direction, so that at least two air guide mechanisms can be arranged in the air guide shell, and the air guide efficiency of the air purifier is further improved;

6. the heating mechanism is arranged between the first air outlet and the second air outlet and at the two sides of the protruding part, so that the space between the inner shell and the outer shell is fully utilized, and the space utilization rate is high;

7. by arranging the valve body between the first water outlet of the first water tank and the second water inlet of the second water tank, a user can control whether the first water tank supplies water for the second water tank or not by controlling the on-off of the valve body, so that the independent control of the humidifying function can be realized;

8. through setting up the water recovery case and including upper cover body and lower box to set up water holding tank and hole that leaks on the upper cover body, make the humidification filter screen drip water can get into lower box through the hole that leaks, liquid in the water recovery case is difficult to spill inside the air purifier at the air purifier removal in-process simultaneously.

Drawings

Fig. 1 is a schematic diagram of the structure of the present air cleaner.

Fig. 2 is a cross-sectional view of the present air cleaner.

Fig. 3 is a schematic view of the present air purifier with the outer housing, filter cartridge and humidification filter screen removed.

Fig. 4 is another angular schematic view of the first tank removed from fig. 3.

Fig. 5 is a schematic view of the inner housing and motor in the present air purifier.

Fig. 6 is a schematic view of a wind wheel in the present air purifier.

Fig. 7 is a schematic view of a humidifying mechanism in the present air purifier.

Fig. 8 is a schematic view of a second water tank in the present air purifier.

Fig. 9 is a schematic view of a water recovery tank of the present air cleaner.

100, an outer shell; 110. a first air outlet; 120. a first air inlet; 200. an inner housing; 210. a second air outlet; 220. a second air inlet; 221. an air inlet grille; 222. a mounting base; 223. a reinforcing rod; 224. a fixing pin; 230. a filter element frame; 231. a cartridge mounting cavity; 232. a filter element; 240. an air guiding shell; 241. an installation space; 242. a protruding portion; 300. an air guide mechanism; 310. a motor; 311. a locking ring; 320. a wind wheel; 321. a fan blade; 322. a circular ring; 323. a spoke; 323a, reinforcing ribs; 323b, lightening holes; 400. a heating mechanism; 410. a first portion; 420. a second portion; 500. a first water tank; 510. a water storage cavity; 520. a first water inlet; 530. a first water outlet; 540. a third water inlet; 600. a second water tank; 610. a second water inlet; 620. a second water outlet; 630. a bar-shaped protrusion; 631. a drain hole; 640. a valve body; 700. humidifying a filter screen; 800. a water recovery tank; 810. an upper cover; 811. a water tank; 812. a water leakage hole; 813. an inclined plane; 820. a lower box body; 821. a bracket; 822. a third water outlet; 900. and (3) a water pump.

Detailed Description

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. Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. 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. In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

The following is a specific embodiment of the present utility model, and the technical solution of the present utility model will be further described with reference to fig. 1 to 9, but the present utility model is not limited to the following embodiment.

An air purifier, comprising: the filter element comprises an outer shell 100, an inner shell 200, filter elements 232 and a wind guiding mechanism 300, wherein a first air outlet 110 is formed in one side face of the outer shell 100, first air inlets 120 are formed in the other two side faces of the outer shell 100, the inner shell 200 is arranged in the outer shell 100, a gap is formed between the inner shell 200 and the outer shell 100, a second air outlet 210 is formed in the side face, opposite to the first air outlet 110, of the inner shell 200, a second air inlet 220 is formed in the side face, opposite to the first air inlet 120, of the inner shell 200, a filter element mounting cavity 231 is formed in the outer side of the second air inlet 220, at least one filter element 232 is arranged in the filter element mounting cavity 231, and the wind guiding mechanism 300 is arranged in the inner shell 200; under the action of the air guiding mechanism 300, the air entering the first air inlet 120 sequentially passes through the filter element 232, the second air inlet 220, and the second air outlet 210, and is discharged from the first air outlet 110. Through set up first air outlet 110 on the side of shell body 100, set up first air intake 120 on two other sides for this air purifier intake is big, and purification efficiency improves, sets up interior casing 200 in shell body 100 inside simultaneously, and the space between shell body 100 and interior casing 200 can be convenient be used for installing heating mechanism 400 and humidification mechanism additional, and does not influence basic purification performance.

Preferably, at least one side is spaced between the side surface of the first air outlet 110 and the side surface of the first air inlet 120, and at least one side is spaced between the side surfaces of the two first air inlets 120. In this embodiment, the cross section of the air purifier is hexagonal, and the side surfaces of the first air outlet 110 and the two first air inlets 120 are spaced from each other by one side surface. In other embodiments, the cross section of the air purifier may be heptagonal, octagonal, etc. as desired. The arrangement optimizes the air duct, so that the air guiding efficiency is improved.

Preferably, the first air inlet 120, the second air inlet 220 and the filter element 232 are all arranged in an even number and symmetrically arranged at two sides of the air purifier. In this embodiment, the number of the first air inlets 120 is two, the number of the second air inlets 220 is four, and the number of the filter elements 232 is two, and in other embodiments, the number of the first air inlets 120, the number of the second air inlets 220, and the number of the filter elements 232 can be adjusted according to design requirements. Through set up first air intake 120, second air intake 220 and filter core 232 in this air purifier's bilateral symmetry, improve this air purifier's intake for this air purifier's purification efficiency improves.

The wind guiding mechanism 300 in the air purifier comprises a motor 310 and a wind wheel 320, wherein the wind wheel 320 is in a cylindrical shape, the wind wheel 320 comprises a wheel wall and spokes 323 which are arranged in the wheel wall and connected with the wheel wall, the wheel wall is composed of a plurality of fan blades 321 which are uniformly distributed along the circumferential direction, circular rings 322 are arranged at two ends of the wheel wall, the fan blades 321 are in a bent strip shape, two ends of the length direction of the fan blades 321 are respectively connected with the circular rings 322, and the fan blades 321 are arranged in a cylindrical space formed by extending along the two circular rings 322. The fan blade 321 motor 310 is arranged in the wind wheel 320, an output shaft of the motor 310 is connected with a spoke 323, the spoke 323 divides the wind wheel 320 into two parts, the motor 310 is arranged in one part, and a plurality of reinforcing ribs 323a and lightening holes 323b distributed along the circumferential direction are arranged on the spoke 323. The wind wheel 320 is cylindrical, and the plurality of blades 321 distributed along the circumferential direction are used for forming the wheel wall of the wind wheel 320, so that the wind wheel 320 has a good wind guiding effect, and the plurality of reinforcing ribs 323a and lightening holes 323b distributed along the circumferential direction are arranged on the spoke 323, so that the spoke 323 can bear larger torque and rotating speed, and simultaneously, the self weight of the wind wheel 323 is reduced, and the wind wheel 320 has a better wind guiding effect.

Further, an air inlet grille 221 is arranged on the second air inlet 220, an installation base 222 is arranged on the air inlet grille 221, a motor 310 is arranged on the installation base 222, a locking ring 311 is sleeved on the motor 310, a locking hole is formed in the locking ring 311, a plurality of fixing pins 224 are circumferentially distributed on the outer side of the installation base 222, one end of each fixing pin 224 is fixedly connected with the air inlet grille 221, the other end of each fixing pin 224 is connected with the corresponding locking hole, a reinforcing rod 223 is arranged on the side wall of the inner shell 200, and the reinforcing rod 223 penetrates through the air inlet grille 221 and is connected with the installation base 222. Through set up stiffener 223 on the lateral wall of inner casing 200, and stiffener 223 passes air inlet grille 221 and links to each other with installation base 222, sets up fixed pin 224 and locking ring 311 simultaneously for motor 310's installation is more firm, can let motor 310 with higher power take off, thereby improves wind-guiding efficiency.

The inner housing 200 of the air purifier comprises a filter element frame 230 and an air guiding housing 240, wherein the filter element frame 230 is arranged at two sides of the air guiding housing 240, and the air guiding housing 240 is respectively communicated with the second air inlet 220 and the second air outlet 210. In this embodiment, two installation spaces 241 are provided in the air guiding housing 240, the installation spaces 241 are distributed along the vertical direction, and in other embodiments, three, four or even more installation spaces 241 may be provided in the air guiding housing 240, and the air guiding mechanism 300 is disposed in the installation spaces 241. By arranging at least two installation spaces 241 in the air guiding housing 240 along the vertical direction, at least two air guiding mechanisms 300 can be arranged in the air guiding housing 240, thereby providing the air guiding efficiency of the air purifier.

The air purifier further comprises a heating mechanism 400, wherein the heating mechanism 400 is configured as a PTC heater in the present embodiment, the heating mechanism 400 is disposed outside the second air outlet 210, the heating mechanism 400 comprises a first portion 410 and a second portion 420, a protrusion 242 is disposed between the two installation spaces 241, and the protrusion 242 is disposed between the first portion 410 and the second portion 420. By arranging the heating mechanism 400 between the first air outlet 110 and the second air outlet 210 and on both sides of the protruding portion 242, the space between the inner case 200 and the outer case 100 is fully utilized, and the space utilization rate is high.

The air purifier further comprises a humidifying mechanism, wherein the humidifying mechanism comprises a first water tank 500, a second water tank 600, a valve body 640, a humidifying filter screen 700 and a water recovery tank 800, the first water tank 500 is arranged at the top of the air purifier, a water storage cavity 510 is arranged in the first water tank 500, and the first water tank 500 is provided with a first water inlet 520 and a first water outlet 530 which are communicated with the water storage cavity 510; the second water tank 600 is provided with a second water inlet 610 and a second water outlet 620, the second water tank 600 is provided with a height smaller than that of the first water tank 500, and water in the first water tank 500 flows to the second water inlet 610 through the first water outlet 530; the valve body 640 is disposed between the first water outlet 530 and the second water inlet 610, the valve body 640 is connected with the first water outlet 530 and the second water inlet 610 through pipelines (not shown in the figure), in this embodiment, the valve body 640 is a solenoid valve, and is used for controlling the on-off of the pipelines between the first water outlet 530 and the second water inlet 610; the humidification screen 700 is disposed below the second water tank 600, water in the second water tank 600 flows to the humidification screen 700 through the second water outlet 620, and the water recovery tank 800 is disposed below the humidification screen 700 for receiving water dropped from the humidification screen 700. By providing the valve body 640 between the first water outlet 530 of the first water tank 500 and the second water inlet 610 of the second water tank 600, a user can control whether the first water tank 500 supplies water to the second water tank 600 by controlling the on-off of the valve body 640, so that separate control of the humidifying function can be achieved.

Preferably, the second water tank 600 is provided at the bottom with a bar-shaped protrusion 630, and the second water outlet 620 is provided on the bar-shaped protrusion 630. The second water outlet 620 is configured to be composed of a plurality of drain holes 631, and the drain holes 631 are uniformly arranged along the length direction of the bar-shaped protrusions 630. The second water tank 600 is provided at the top with a mounting groove in which the valve body 640 is disposed. By arranging the bar-shaped protrusions 630 at the bottom of the second water tank 600 and arranging the plurality of uniformly distributed drain holes 631 on the bar-shaped protrusions 630, water in the second water tank 600 can uniformly and slowly drop on the humidifying filter screen 700, so that the humidifying filter screen 700 is sufficiently and uniformly wetted.

Preferably, the water recovery tank 800 includes an upper cover 810 and a lower tank 820 connected to each other, a water receiving groove 811 is provided on the upper cover 810, a water leakage hole 812 is provided on one sidewall of the water receiving groove 811, and the water leakage hole 812 is communicated with the lower tank 820. Through setting up water recovery box 800 and including upper cover body 810 and lower box 820 to set up flourishing basin 811 and hole 812 that leaks on upper cover body 810, make the water that humidification filter screen 700 dripped can get into lower box 820 through hole 812 that leaks, liquid in water recovery box 800 is difficult to spill inside the air purifier at the air purifier removal in-process simultaneously.

Further, in two opposite side walls of the water receiving groove 811, a plurality of water leakage holes 812 are uniformly formed in one of the side walls, and a slope 813 is formed in the other side wall. By arranging the water containing groove 811 on two opposite side walls, one of the two opposite side walls is uniformly provided with a plurality of water leakage holes 812, and the other one of the two opposite side walls is provided with a slope 813, so that water dripping on the humidifying filter screen 700 can be better collected by the water containing groove 811 and then enter the lower box 820.

The humidifying mechanism further comprises a water pump 900, a support 821 is arranged on the side wall of the water recovery tank 800, the water pump 900 is arranged on the support 821, a third water outlet 822 is arranged at the bottom of the water recovery tank 800, a third water inlet 540 is arranged on the first water tank 500, and the water pump 900 is respectively connected with the third water outlet 822 and the third water inlet 540 through pipelines (not shown in the figure). By arranging the water pump 900, the water stored in the water recovery tank 800 can be pumped into the water tank for recycling.

The air purifier has three functions of space purification, air heating and air humidification, when the air purifier starts the purification function, the motor 310 drives the wind wheel 320 to rotate, and air entering the first air inlet 120 sequentially passes through the filter element 232, the second air inlet 220 and the second air outlet 210 and is discharged from the first air outlet 110; when the air purifier starts the heating function, the PTC heater starts the air passing through the second air outlet 210 to be heated by the PTC heater and then discharged from the first air outlet 110; when the air purifier starts the humidifying function, the valve of the valve body 640 is opened, water in the first water tank 500 sequentially passes through the first water outlet 530, the pipeline, the valve body 640, the pipeline and the second water inlet 610 and then enters the second water tank 600, water in the second water tank 600 drops onto the humidifying filter screen 700 in a water drop shape through the plurality of drain holes 631 at the bottom of the second water tank 600, the humidifying filter screen 700 is wetted by the water drops, air flow generated by the wind wheel 320 in the air purifier flows through the humidifying filter screen 700, so that air is humidified, water dropped at the bottom of the humidifying filter screen 700 is recovered by the water recovery tank 800, and when the water in the water recovery tank 800 reaches a certain amount, the water pump 900 starts pumping water and pumps the water in the water recovery tank 800 into the first water tank 500.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. An air purifier, comprising:

at least one filter element disposed in the filter element mounting cavity;

the air guide mechanism is arranged in the inner shell;

2. An air cleaner according to claim 1, wherein the air guiding mechanism comprises a motor and a wind wheel, the wind wheel comprises a wheel wall and spokes arranged in the wheel wall and connected with the wheel wall, the wheel wall is composed of a plurality of blades distributed along the circumferential direction, the motor is arranged in the wind wheel, and an output shaft of the motor is connected with the spokes.

3. An air cleaner according to claim 2, wherein the wheel wall is provided with circular rings at both ends, the fan blades are connected to the circular rings at both ends in the longitudinal direction, and the fan blades are disposed in a cylindrical space formed by extending along both the circular rings.

4. An air cleaner according to claim 2, wherein the rotor is arranged in a cylindrical shape, the spokes divide the rotor into two parts, the motor is arranged in one of the parts, and the spokes are provided with a plurality of circumferentially distributed reinforcing ribs and lightening holes.

5. The air purifier of claim 2, wherein an air inlet grille is arranged on the second air inlet, a mounting base is arranged on the air inlet grille, the motor is arranged on the mounting base, a reinforcing rod is arranged on the side wall of the inner shell, and the reinforcing rod penetrates through the air inlet grille to be connected with the mounting base.

6. The air purifier of claim 1, wherein the inner housing comprises a filter core frame and a wind guiding housing, the filter core frame is arranged on two sides of the wind guiding housing, the wind guiding housing is respectively communicated with the second air inlet and the second air outlet, at least two installation spaces are arranged in the wind guiding housing, the installation spaces are distributed along the vertical direction, and the wind guiding mechanism is arranged in the installation spaces.

7. The air cleaner of claim 6, further comprising a heating mechanism disposed outside the second air outlet, the heating mechanism including a first portion and a second portion, a protrusion disposed between the two mounting spaces, the protrusion disposed between the first portion and the second portion.

8. An air cleaner according to claim 1 wherein the first air outlet is spaced from the first air inlet by at least one side and the first air inlet is spaced from the first air inlet by at least one side.

9. The air purifier of claim 1, further comprising a humidifying mechanism, wherein the humidifying mechanism comprises a first water tank, a second water tank, a valve body and a humidifying filter screen, the first water tank is arranged above the inner shell, the humidifying filter screen is arranged outside the second air outlet, the second water tank is arranged above the humidifying filter screen, and the valve body is respectively connected with the first water tank and the second water tank through pipelines.

10. The air purifier of claim 9, wherein the humidifying mechanism further comprises a water recovery tank, the water recovery tank comprises an upper cover body and a lower tank body which are connected, a water containing tank is arranged on the upper cover body, water leakage holes are formed in the side wall of the water containing tank, and the water leakage holes are communicated with the lower tank body.