CN114526534A

CN114526534A - Air purifier

Info

Publication number: CN114526534A
Application number: CN202210338264.2A
Authority: CN
Inventors: 柳良东
Original assignee: Ningbo Taller Electrical Appliance Co Ltd
Current assignee: Ningbo Taller Electrical Appliance Co Ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-05-24
Anticipated expiration: 2042-04-01
Also published as: CN114526534B

Abstract

The application relates to an air purifier relates to air conditioning's field, and it includes: the water tank is provided with a water storage cavity; the filtering structure is arranged on the water tank and is provided with an air channel with an opening facing to the direction far away from the water tank; the shell is arranged on the filtering structure and is provided with an air inlet, an air outlet and a cavity communicated with the air inlet and the air outlet; the air draft structure is arranged in the shell and is used for driving air to sequentially pass through the air channel, the air inlet, the cavity and the air outlet from the outer side of the filtering structure; the humidifying structure is used for driving the water in the water tank to humidify the air passing through the air channel; and the water adding bin is arranged on the upper side of the water tank, the water adding bin is provided with a water storage cavity and a water adding port communicated with the water storage cavity, and water can enter the water tank from the water adding bin. This application has the effect that has improved the convenience of adding water in to the water tank.

Description

Air purifier

Technical Field

The application relates to the field of air conditioning, in particular to an air purifier.

Background

With the development of society, people pay more and more attention to the air quality of living environment, and air purifiers are produced at the same time, and the air purifiers refer to products capable of adsorbing, decomposing or converting various air pollutants (generally including PM2.5, dust, pollen, peculiar smell, decoration pollution such as formaldehyde, bacteria, allergen and the like) to improve the air cleanliness.

As the chinese patent with application publication No. CN 106642367A, an air purifier is disclosed, which comprises: the reservoir chamber, the chamber of admitting air, the clean room, the separation chamber and the chamber of giving vent to anger, the reservoir chamber comprises the water tank, the water pump, the chamber of admitting air comprises air intake and turbine centrifugal fan, the clean room comprises purification cavity, water supply pipe and atomizing system, go out the chamber, the separation chamber, the clean room, admit air chamber and reservoir chamber from last to distributing down in proper order, the separation chamber can be retrieved the water droplet and get into the clean room, the air then is followed the separation chamber and is gone out and discharge into in the ambient air via the chamber of giving vent to anger.

In view of the above-mentioned related technologies, the inventor believes that the air inlet cavity is located between the water storage chamber and the air outlet cavity, so that water is difficult to be added into the water tank from the air outlet cavity when water is added, the water tank needs to be detached when water is added, the operation is complex, and there is still room for improvement.

Disclosure of Invention

In order to add water in the water tank conveniently, this application provides an air purifier.

The application provides an air purifier adopts following technical scheme:

an air purifier, comprising:

the water tank is provided with a water storage cavity;

the filtering structure is arranged on the water tank and is provided with an air channel with an opening facing to the direction far away from the water tank;

the shell is arranged on the filtering structure and is provided with an air inlet, an air outlet and a cavity communicated with the air inlet and the air outlet;

the air draft structure is arranged in the shell and is used for driving air to sequentially pass through the air channel, the air inlet, the cavity and the air outlet from the outer side of the filtering structure;

the humidifying structure is used for driving the water in the water tank to humidify the air passing through the air channel; and

the water adding bin is arranged on the upper side of the water tank and is provided with a water storage cavity and a water adding port communicated with the water storage cavity, and water can enter the water tank from the water adding bin.

Through adopting above-mentioned technical scheme for need not to pull down the water tank when adding water in to the water tank, directly add water in to the storehouse of adding water through the filler, during water can flow to the water storage chamber of water tank from the retaining chamber, improved the convenience of adding water in to the water tank.

Optionally, a water filling port of the water filling bin is hinged to a cover plate for covering the water filling port.

By adopting the technical scheme, the water filling port is covered, so that sundries and the like are not easy to enter the water filling bin to pollute the water filling bin.

Optionally, the apron closes portion, guide portion and fender portion including the lid, the lid closes the portion lid and fits the water filling port department in watering storehouse, guide portion locates the downside that the lid closed the portion just is located the water storage intracavity, fender portion locates the lid close the portion with the both sides of guide portion, fender portion with the lid close the portion the guide portion cooperation forms the guiding groove.

Through adopting above-mentioned technical scheme, flange portion closes portion, guide part cooperation formation guiding groove with the lid for when the apron was opened, directly add water to the portion that closes of lid, water can flow to the storehouse of adding water along the guiding groove, improved the convenience of adding water in to the storehouse of adding water.

Optionally, be equipped with the stopper in the storehouse of adding water, the stopper has a spacing face, when the apron is opened, flange portion with spacing face butt, the apron from last slope down to set up in the storehouse of adding water.

Through adopting above-mentioned technical scheme, spacing face and flange portion butt each other spacing, carry on spacingly to the apron when opening for from last to slope down when the apron is opened and to adding the storehouse in, make add when adding water add to cover to close the portion can, need not the angle when manual control apron is opened simultaneously, improved to adding the convenience of adding water in the storehouse.

Optionally, when the cover plate covers the water filling opening, the covering part is arranged in the water filling opening, and the guide part is mutually attached to the inner side wall of the water filling bin.

Through adopting above-mentioned technical scheme, when the portion of closing lid locates the filler opening lid and closes the filler opening, guide portion and the inside wall in filler storehouse laminate mutually, close the portion to the lid and carry on spacingly, the lid when having improved the apron lid and closing the filler opening closes the effect for debris are difficult to get into the filler storehouse through the filler opening.

Optionally, the filtering structure includes a first filter screen and a second filter screen, the first filter screen and the second filter screen are all in an annular arrangement, the second filter screen is arranged in the first filter screen in a penetrating manner, and the air passage is arranged in the second filter screen.

Through adopting above-mentioned technical scheme, the setting of two-layer filter screen, relative one deck filter screen has better filter effect, has improved air purifier to the filter effect of air.

Optionally, the humidification structure includes humidification driving piece, water pipe, drenches the water ring and absorbs water the piece, the water pipe drench the water ring with it all locates to absorb water the piece in the air passage, the water tank upside is equipped with the confession absorb water a downside male insertion groove, the tank bottom of insertion groove be equipped with the backward flow hole that the water storage chamber communicates mutually, drench the water ring downside be equipped with the confession absorb water a upside and insert the arrangement groove of settling, drench the water ring have one with the water spraying chamber that the arrangement groove communicates mutually, the both ends of water pipe respectively with drench the water ring humidification driving piece is connected, the humidification driving piece orders about water to follow in the water tank the water pipe gets into the water spraying chamber.

Through adopting above-mentioned technical scheme, the water in humidification driving piece in with the water tank is carried to the water spraying intracavity in the water spraying ring, and water drenches from the water spraying chamber to the piece that absorbs water on makes the piece that absorbs water keep moist, carries out the humidification to the air through the piece that absorbs water.

Optionally, the air draft structure comprises a wind wheel and a wind wheel driving piece, the wind wheel driving piece is arranged in the cavity, and the wind wheel is arranged at the output end of the wind wheel driving piece.

Through adopting above-mentioned technical scheme, the wind wheel driving piece orders about the wind wheel initiative to produce the negative pressure in the cavity, make the air in the filtration outside can get into air passage through filtration, pass through air inlet, cavity and the gas outlet of casing in proper order.

Optionally, the water tank is detachably connected with the shell through a locking structure.

Through adopting above-mentioned technical scheme, the sheath provides the protection for filtration is difficult for damaging because of colliding with other objects in the external world.

Optionally, the locking structure includes a base block, an insertion block, a pressing block, a hook, and an elastic member, the insertion block is disposed on one side of the base block, the base block is provided with a sliding groove and an extending hole, the pressing block slides in the sliding groove and extends out of the extending hole, the insertion block is provided with a sliding groove and a through hole, the sliding groove is communicated with the through hole and the sliding groove, the through hole and the extending hole are disposed toward the same side, the hook slides in the sliding groove along with the pressing block, the hook can extend out of the through hole, the elastic member is disposed in the sliding groove, and the pressing block keeps a tendency of extending out of the extending hole due to the elastic member.

Through adopting above-mentioned technical scheme, the casing can be dismantled with filtration, water tank and connect in, when changing casing, filtration or water tank, only need press the pressing block and remove the locking of pothook to corresponding part, can change corresponding part, has improved the efficiency that the part was changed.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when water is added into the water tank, the water tank does not need to be detached, water is directly added into the water adding bin through the water adding port, and water can flow into the water storage cavity of the water tank from the water storage cavity, so that the convenience of adding water into the water tank is improved;

2. keep off limit portion and lid and close portion, guide portion cooperation formation guiding groove for when the apron was opened, directly add water to the lid and close the portion, water can flow to the storehouse of adding water along the guiding groove, improved to the convenience of adding water in the storehouse.

Drawings

Fig. 1 is a side view of an air purifier according to an embodiment of the present application.

Fig. 2 is a partial sectional view taken along a-a in fig. 1.

Fig. 3 is a schematic structural view of the housing and the air draft structure according to the embodiment of the present application.

Fig. 4 is an exploded view of the water feeding bin and the cover plate according to the embodiment of the present application.

Fig. 5 is a top view of the water adding bin and the cover plate according to the embodiment of the present application.

Fig. 6 is a full sectional view taken along line B-B in fig. 5.

Fig. 7 is a schematic diagram of a locking structure and a partial explosion of a jacket and a water tank according to an embodiment of the application.

Fig. 8 is a side view of a coupling ring and locking structure of an embodiment of the present application.

Fig. 9 is a full sectional view taken along line C-C in fig. 8.

Description of reference numerals: 10. a water tank; 11. a water storage cavity; 12. inserting the groove; 13. a return orifice; 14. a groove; 15. a card slot;

20. a filter structure; 21. an air passage; 22. a first filter screen; 23. a second filter screen;

30. a housing; 31. an air inlet; 32. an air outlet; 33. a cavity; 34. a connecting rod; 35. a stationary case; 36. a grid;

40. an air draft structure; 41. a wind wheel; 42. a wind wheel driving member;

50. a humidifying structure; 51. a humidification drive; 52. a water pipe; 53. a water sprinkling ring; 531. a placing groove; 532. a water spraying cavity; 533. a communicating hole; 54. a water absorbing member;

60. a water adding bin; 61. a water storage cavity; 62. a water filling port; 63. a cover plate; 631. a covering part; 632. a guide section; 633. a flange part; 634. a guide groove; 635. connecting blocks; 636. a hinge slot; 64. a limiting block; 641. a limiting surface; 65. a hinged column; 66. a water feeding pipe;

70. a sheath; 71. an air inlet; 72. a slot; 73. a clamping groove;

80. a locking structure; 81. a base block; 811. a sliding groove; 812. an outlet hole; 82. inserting a block; 821. a chute; 822. perforating; 83. a pressing block; 84. a hook; 85. an elastic member; 86. a limiting plate;

90. and (7) connecting rings.

Detailed Description

The present application is described in further detail below with reference to figures 1-9. The positive direction indicated by the arrow x is up, and the negative direction indicated by the arrow x is down.

The embodiment of the application discloses an air purifier. Referring to fig. 1 and 2, the air cleaner includes a water tank 10, a filtering structure 20, a case 30, an air exhausting structure 40, a humidifying structure 50, and a watering chamber 60.

The water tank 10 has a water storage chamber 11, and the water storage chamber 11 is used for storing water.

The filter structure 20 is provided at an upper side of the water tank 10, and the filter structure 20 includes a first filter 22 and a second filter 23. Specifically, the first filter 22 and the second filter 23 are both arranged in an annular shape, and may be a circular ring, a square ring, or other closed ring. The through holes of the first filter screen 22 and the second filter screen 23 are arranged along the vertical direction, the second filter screen 23 is arranged in the through hole of the first filter screen 22 in a penetrating manner, and the through hole of the second filter screen 23 is the air passage 21 of the filter structure 20. First filter screen 22 equals with second filter screen 23's height, and first filter screen 22 all butts in the upside of water tank 10 with second filter screen 23's downside, and first filter screen 22 is HEPA, and second filter screen 23 is the active carbon filter screen.

The housing 30 is fixed to the upper side of the filter structure 20, and the housing 30 has an inlet 31, an outlet 32, and a cavity 33. An air inlet 31 is located at the lower side of the housing 30, the air inlet 31 communicating with the air passage 21 of the filter structure 20. The air outlet 32 is located on the upper side of the housing 30, the cavity 33 is disposed in the housing 30, and the cavity 33 is used for communicating the air outlet 32 and the air inlet 31 from top to bottom.

Referring to fig. 2 and 3, the air extracting structure 40 is disposed in the cavity 33, and the air extracting structure 40 is used for forming a negative pressure in the cavity 33 so as to drive the air outside the filter structure 20 to enter the air channel 21 of the filter structure 20 through the filter structure 20 and then sequentially pass through the air inlet 31, the cavity 33 and the air outlet 32 of the housing 30. Air extraction structure 40 includes a wind wheel 41 and a wind wheel drive 42. The wind wheel driving piece 42 is a motor, a fixing shell 35 is arranged in the cavity 33 of the shell 30, the wind wheel driving piece 42 is installed in the fixing shell 35, an output shaft of the wind wheel driving piece 42 penetrates downwards and extends out of the fixing shell 35, at least one connecting rod 34 is fixed on the peripheral side of the fixing shell 35, and two ends of the connecting rod 34 are fixedly connected with the inner side wall of the shell 30 and the outer side wall of the fixing shell 35 respectively. When the number of the connecting rods 34 is two or more, the two or more connecting rods 34 are uniformly arranged along the peripheral side of the fixed case 35. The wind rotor 41 is fixed to an output end of the wind rotor driving member 42 to be rotated by the wind rotor driving member 42.

The air inlet 31 of the housing 30 is further provided with a grille 36, so that fingers are not easy to enter the air inlet 31 of the housing 30 by mistake when the filtering structure 20 is replaced, and further, the fingers are not easy to be injured due to the contact with the wind wheel 41.

The humidifying structure 50 is used for driving water in the water tank 10 to humidify air passing through the air passage 21 of the filter structure 20, and the humidifying structure 50 includes a humidifying driving member 51, a water pipe 52, a water spraying ring 53 and a water absorbing member 54. The water absorbing piece 54 is made of absorbent cotton, the water absorbing piece 54 is arranged in a ring shape, the water absorbing piece 54 is arranged in the air channel 21 of the filtering structure 20, and the through holes of the water absorbing piece 54 are arranged vertically, so that air can be humidified by moisture in the water absorbing piece 54 when passing through the water absorbing piece 54. The top plate of the water tank 10 is recessed to form an insertion groove 12, the insertion groove 12 is annularly formed, and the lower side of the water absorbing member 54 is inserted into the insertion groove 12. The bottom of the insertion groove 12 is provided with a return hole 13, and the return hole 13 is communicated with the insertion groove 12 and the water storage cavity 11, so that the water in the water absorbing member 54 can return to the water storage cavity 11 of the water tank 10 through the return hole 13.

The water spraying ring 53 is arranged on the upper side of the water absorbing piece 54, the lower side of the water spraying ring 53 is provided with a placing groove 531, the placing groove 531 is annularly arranged, and the upper side of the water absorbing piece 54 is inserted into the placing groove 531. The water spraying ring 53 has a water spraying cavity 532, the water spraying cavity 532 is disposed in a ring shape, and the water spraying cavity 532 is located inside the placing groove 531. The side wall of the water spraying cavity 532 adjacent to the placement groove 531 is provided with a communication hole 533, and two ends of the communication hole 533 are respectively communicated with the placement groove 531 and the water spraying cavity 532, so that water in the water spraying cavity 532 can enter the placement groove 531 through the communication hole 533 and then is sprayed to the upper side of the water absorbing piece 54.

Humidification driving piece 51 is the water pump, and humidification driving piece 51 is located in the water storage chamber 11 of water tank 10, and the water pump leads to pipe 52 to be connected with trickle ring 53, and the upper end and the trickle chamber 532 intercommunication of water pipe 52 for humidification driving piece 51 can carry the water in the water tank 10 to trickle chamber 532 in.

Referring to fig. 2 and 4, the water adding chamber 60 is used to add water into the water tank 10, and the water adding chamber 60 is adjacently disposed at an upper side of the filter structure 20 so that a user does not need to squat when adding water into the water adding chamber 60. The water adding bin 60 is provided with a water storage cavity 61 and a water adding port 62, the bottom of the water storage cavity 61 is communicated with the top of the water tank 10 through a water adding pipe 66, the water adding port 62 is arranged on the side wall of the water adding bin 60, and the water adding port 62 is communicated with the water storage cavity 61 so that a user can add water into the water storage cavity 61 through the water adding port 62 conveniently.

The water filling port 62 of the water filling bin 60 is hinged with a cover plate 63, the cover plate 63 is used for covering the water filling port 62, and the cover plate 63 comprises a covering part 631, a guide part 632 and a flange part 633. The cover 631 covers the filler 62, the guide 632 is fixed to the lower side of the cover 631, the guide 632 is located inside the water storage chamber 61, and the cover 631 has a weight greater than that of the guide 632. The number of the blocking portions 633 is two, the two blocking portions 633 are respectively fixed on two sides of the covering portion 631, the blocking portions 633 extend from the top of the covering portion 631 to the bottom of the guiding portion 632, the blocking portions 633 are matched with the covering portion 631 and the guiding portion 632 to form a guiding groove 634, and the guiding groove 634 extends from top to bottom.

All be fixed with connecting block 635 on the lateral wall dorsad of two flange portion 633, connecting block 635 is located the junction of closing portion 631 and guide portion 632, has seted up hinge groove 636 on the connecting block 635, all is fixed with articulated post 65 on the double-phase opposite lateral wall of filler 62 department, and two articulated posts 65 insert respectively in two hinge grooves 636 and rotate in hinge groove 636 to articulate apron 63 on watering storehouse 60. The hinge slot 636 has a notch towards the underside that is sized slightly smaller than the diameter of the hinge post 65 so that the hinge post 65 can be installed into the hinge slot 636 by squeezing the notch to deform it.

Referring to fig. 5 and 6, a limiting block 64 is fixed on the inner sidewall of the water adding bin 60, the limiting block 64 has a limiting surface 641, when the cover 63 is opened, the rib portion 633 abuts against the limiting surface 641, and the cover 63 and the guide groove 634 are both inclined from top to bottom toward the water storage cavity 61. At this time, water is added to the upper side of the cover 631, and the water flows into the water storage chamber 61 under the guide of the guide groove 634.

When the cover plate 63 covers the filler 62, the covering portion 631 is inserted into the filler 62 to cover the filler 62, and the guide portion 632 is attached to the inner wall of the filler tank 60.

Referring to fig. 2 and 7, a sheath 70 is sleeved outside the filter structure 20, the sheath 70 surrounds the outside of the filter structure 20 to protect the filter structure 20, and a plurality of air inlets 71 are opened on a side wall of the sheath 70, so that air outside the sheath 70 can enter the sheath 70 through the air inlets 71.

Both ends of sheath 70 all are equipped with coupling ring 90, and the coupling ring 90 and the casing 30 fixed connection of sheath 70 upside, coupling ring 90 and the sheath 70 detachable connection of sheath 70 upside pass through locking structure 80. The connection ring 90 at the lower side of the sheath 70 is fixedly connected with the sheath 70, the connection ring 90 at the lower side of the sheath 70 is detachably connected with the water tank 10 through the locking structure 80, and the locking structure 80 is described by taking the connection of the connection ring 90 at the upper side of the sheath 70 and the sheath 70 as an example in the embodiment.

Referring to fig. 7, 8 and 9, one connecting ring 90 corresponds to two locking structures 80, the two locking structures 80 are respectively disposed on two outer sidewalls of the connecting ring 90 which are disposed oppositely, the two locking structures 80 are disposed oppositely, and the locking structures 80 include a base block 81, an insertion block 82, a pressing block 83, a hook 84 and an elastic member 85. The base block 81 is fixed on the connecting ring 90, the base block 81 is provided with a sliding groove 811 and a protruding hole 812, the sliding groove 811 is open towards the upper side, the protruding hole 812 is communicated with the sliding groove 811, and the protruding hole 812 is open towards the direction away from the other base block 81. The pressing block 83 is installed in the sliding groove 811 from the opening of the sliding groove 811, and the pressing block 83 is connected in the sliding groove 811 in a sliding manner in the horizontal direction and can extend out of the sliding groove 811 from the extending hole 812. The elastic element 85 is a compression spring, the elastic element 85 is arranged in the sliding groove 811, and the elastic element 85 is positioned between one side wall of the sliding groove 811 and the pressing block 83, so that the pressing block 83 keeps a tendency to slide out of the sliding groove 811. The insertion block 82 is fixed to the lower side of the base block 81, the insertion block 82 is provided with a sliding groove 821 and a through hole 822, the sliding groove 821 is communicated with the sliding groove 811, the through hole 822 is communicated with the sliding groove 821, and the through hole 822 is opened in a direction away from the other opposite insertion block 82. The hook 84 is fixed on the lower side of the pressing block 83 and slides along with the pressing block 83 in the horizontal direction, the hook 84 is connected in the sliding groove 821 in a sliding manner, and the clamping part of the hook 84 can extend out of the through hole 822.

Slots 72 are formed on two opposite inner side walls of the upper side of the sheath 70, and the slots 72 are used for inserting the insertion blocks 82. The opposite side walls of the two slots 72 are respectively provided with a clamping groove 73, and the clamping grooves 73 are used for inserting and clamping the clamping parts of the hooks 84 extending out of the through holes 822 so as to detachably connect the shell 30 and the sheath 70.

Correspondingly, a groove 14 is formed in the water tank 10, the insertion block 82 is inserted into the groove 14, a clamping groove 15 is formed in the inner side wall of the groove 14, and the clamping portion of the clamping hook 84 extending out of the through hole 822 is inserted into and clamped by the clamping groove 15, so that the protective sleeve 70 is detachably connected with the water tank 10.

When the pressing block 83 is completely accommodated in the sliding groove 811, the stopper plate 86 is further inserted into the sliding groove 811 so that the pressing block 83 is not easily slid out from the opening of the sliding groove 811, and when the pressing block 83 is pressed and the pressing block 83 is brought into contact with the stopper plate 86, the pressing block 83 is partially fitted into the extension hole 812.

The implementation principle of the air purifier in the embodiment of the application is as follows: the water adding bin 60 is arranged on the upper side of the filtering structure 20, and the water storage cavity 61 of the water adding bin 60 is communicated with the water storage cavity 11 of the water tank 10 through the water adding pipe 66, so that when a user adds water into the water tank 10, the water tank 10 does not need to be detached, and water can be directly added into the water adding bin 60 through the water adding port 62.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An air purifier, comprising:

a water tank (10) having a water storage chamber (11);

the filtering structure (20) is arranged on the water tank (10) and is provided with an air channel (21) with an opening facing away from the water tank (10);

the shell (30) is arranged on the filtering structure (20), and the shell (30) is provided with an air inlet (31), an air outlet (32) and a cavity (33) for communicating the air inlet (31) with the air outlet (32);

the air draft structure (40) is arranged in the shell (30) and is used for driving air to sequentially pass through the air channel (21), the air inlet (31), the cavity (33) and the air outlet (32) from the outer side of the filtering structure (20);

a humidifying structure (50) for driving water in the water tank (10) to humidify the air passing through the air passage (21); and

the water adding bin (60) is arranged on the upper side of the water tank (10), the water adding bin (60) is provided with a water storage cavity (61) and a water adding port (62) communicated with the water storage cavity (61), and water can enter the water tank (10) from the water adding bin (60).

2. The air purifier of claim 1, wherein: a cover plate (63) for covering the water filling port (62) is hinged to the water filling port (62) of the water filling bin (60).

3. The air purifier of claim 2, wherein: apron (63) closes portion (631), guide portion (632) and flange portion (633) including the lid, the lid closes portion (631) lid and fits the filler mouth (62) department of watering storehouse (60), guide portion (632) are located the downside that the lid closed portion (631) just is located in water storage chamber (61), flange portion (633) are located the lid close portion (631) with the both sides of guide portion (632), flange portion (633) with the lid closes portion (631), guide portion (632) cooperation forms guide groove (634).

4. The air purifier of claim 3, wherein: be equipped with stopper (64) in watering storehouse (60), stopper (64) have a spacing face (641), when apron (63) are opened, flange portion (633) with spacing face (641) butt, apron (63) from last to slope down to set up in watering storehouse (60).

5. The air purifier of claim 3, wherein: when the cover plate (63) covers the water filling opening (62), the covering part (631) is arranged in the water filling opening (62), and the guide part (632) is attached to the inner side wall of the water filling bin (60).

6. The air purifier of claim 1, wherein: filtration (20) include first filter screen (22) and second filter screen (23), first filter screen (22) with second filter screen (23) all are the annular setting, second filter screen (23) wear to locate in first filter screen (22), air passage (21) are located in second filter screen (23).

7. The air purifier of claim 6, wherein: the humidifying structure (50) comprises a humidifying driving piece (51), a water pipe (52), a water spraying ring (53) and a water absorbing piece (54), the water pipe (52), the water spraying ring (53) and the water absorbing piece (54) are all arranged in the air channel (21), an insertion groove (12) for inserting the lower side of the water absorbing piece (54) is arranged on the upper side of the water tank (10), the bottom of the insertion groove (12) is provided with a return hole (13) which is communicated with the water storage cavity (11), a placing groove (531) for inserting the upper side of the water absorbing piece (54) is arranged at the lower side of the water spraying ring (53), the water spraying ring (53) is provided with a water spraying cavity (532) which is mutually communicated with the placing groove (531), two ends of the water pipe (52) are respectively connected with the water spraying ring (53) and the humidifying driving piece (51), the humidifying drive (51) drives water from the water tank (10) through the water pipe (52) into the sprinkling cavity (532).

8. The air purifier of claim 1, wherein: convulsions structure (40) include wind wheel (41) and wind wheel driving piece (42), wind wheel driving piece (42) are located in cavity (33), wind wheel (41) are located the output of wind wheel driving piece (42).

9. The air purifier of claim 1, wherein: the water tank is characterized by further comprising a protective sleeve (70) sleeved on the outer side of the filtering structure (20), wherein an air inlet hole (71) is formed in the side wall of the protective sleeve (70), and two ends of the protective sleeve (70) are detachably connected with the shell (30) and the water tank (10) through locking structures (80).

10. The air cleaner of claim 9, wherein: the locking structure (80) comprises a base block (81), an insertion block (82), a pressing block (83), a clamping hook (84) and an elastic piece (85), the insertion block (82) is arranged on one side of the base block (81), a sliding groove (811) and an extending hole (812) are arranged on the base block (81), the pressing block (83) slides in the sliding groove (811) and extends out through the extending hole (812), a sliding groove (821) and a through hole (822) are arranged on the insertion block (82), the sliding groove (821) is communicated with the through hole (822) and the sliding groove (811), the through hole (822) and the extending hole (812) face towards the same side, the clamping hook (84) slides in the sliding groove (821) along with the pressing block (83), the clamping hook (84) can penetrate out of the through hole (822), and the elastic piece (85) is arranged in the sliding groove (811), the elastic member (85) keeps the pressing block (83) in a tendency to extend out of the extending hole (812).