CN115013922A

CN115013922A - Air purifier

Info

Publication number: CN115013922A
Application number: CN202210598333.3A
Authority: CN
Inventors: 赵家伟; 张翔
Original assignee: Ningbo Tianrui Intelligent Technology Co ltd
Current assignee: Ningbo Tianrui Intelligent Technology Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-06
Anticipated expiration: 2042-05-30
Also published as: CN115013922B

Abstract

The application relates to an air purifier relates to air conditioning's field, and it includes: a base; the cylinder body is arranged on the upper side of the base, and air inlet holes are arranged on the peripheral wall of the cylinder body at intervals; the cylindrical filter screen is arranged on the upper side of the base and is positioned in the cylinder; the shell is arranged on the upper side of the cylindrical filter screen and is provided with an air inlet, an air outlet and an inner cavity communicated with the air inlet and the air outlet, the air inlet is arranged towards the cylindrical filter screen and is communicated with an inner hole of the cylindrical filter screen, and the air outlet is arranged back to the cylindrical filter screen; the air exhaust structure is arranged in the inner cavity and drives air outside the cylinder to sequentially pass through the air inlet hole, the cylindrical filter screen, the air inlet, the inner cavity and the air outlet; the support rod comprises a connecting part and a crossing part, the connecting part is arranged on the cylinder body and extends upwards, and the crossing part is connected with the connecting part and crosses the upper side of the cylinder body; and a light emitting body disposed on the crossing portion and facing the barrel. This application avoids light to penetrate eyes directly when having the use to and seal air purifier's effect when not using.

Description

Air purifier

Technical Field

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

Background

Along with the development of society, people pay more and more attention to the air quality of living environment, and air purifier is born at the same time, and air purifier is the product that can adsorb, decompose or convert various air pollutants and improve air cleanliness.

In the related art, for example, chinese patent publication No. CN 109210633 a discloses a desk lamp air purifier, which includes a base with an LED lamp switch, a columnar filtering air purifier connected to the upper portion of the base, an LED lamp column connected to the upper portion of the filtering air purifier, a top cover with an air outlet connected to the upper portion of the LED lamp column, and the air outlet communicated with the filtering air purifier; an air inlet hole is arranged on the outer wall of a columnar body of the filter type air purifier, a ring-shaped filter screen arranged along the inner wall of the body is arranged in the inner cavity of the body, and an air guide fan is arranged in the middle of the inner cavity of the body or on an air outlet channel communicated with the inner cavity; the outer wall of the purifier body is also provided with a purifier switch for controlling the air guide fan of the filter type air purifier to work.

In view of the above-mentioned related technologies, the inventor believes that when the air purifier is used, the light of the LED lamp post is directly emitted to the periphery, which may lead to blurred vision of the user after long-term use, and is not good for eye health of the user, and there is still room for improvement.

Disclosure of Invention

In order to avoid light to penetrate eyes directly when making air purifier use, this application provides an air purifier.

The application provides an air purifier adopts following technical scheme:

an air purifier, comprising:

a base;

the cylinder body is arranged on the upper side of the base, and air inlet holes are arranged on the peripheral wall of the cylinder body at intervals;

the cylindrical filter screen is arranged on the upper side of the base and is positioned in the cylinder;

the shell is arranged on the upper side of the cylindrical filter screen and provided with an air inlet, an air outlet and an inner cavity communicated with the air inlet and the air outlet, the air inlet is arranged towards the cylindrical filter screen and communicated with an inner hole of the cylindrical filter screen, and the air outlet is arranged back to the cylindrical filter screen;

the air exhaust structure is arranged in the inner cavity and drives air outside the cylinder to sequentially pass through the air inlet hole, the cylindrical filter screen, the air inlet, the inner cavity and the air outlet;

the supporting rod comprises a connecting part and a crossing part, the connecting part is arranged on one side of the cylinder body and extends upwards, and the crossing part is connected with the connecting part and crosses the upper side of the cylinder body; and

the luminous body is arranged on the crossing part and faces the barrel body.

Through adopting above-mentioned technical scheme, the luminous body sets up towards the barrel, when making air purifier and luminous body use, is difficult for appearing light and penetrates the condition to user's eyes directly, has reduced the damage to user's eyes.

Optionally, a rechargeable power supply is arranged in the connecting portion, the rechargeable power supply is electrically connected with the light emitting body and the air draft structure, and a switching port electrically connected with the rechargeable power supply is further arranged on the connecting portion.

Through adopting above-mentioned technical scheme for but charging source can be for air purifier and luminous body power supply, also can charge through the switching interface, perhaps for other electronic equipment power supplies, has improved the variety of air purifier function.

Optionally, the convulsions structure includes wind wheel and wind wheel driving source, the wind wheel driving source is located the inner chamber, the wind wheel is located the output of wind wheel driving source.

Through adopting above-mentioned technical scheme, the wind wheel driving source orders about the wind wheel and rotates in the inner chamber and produce the negative pressure to the air that makes the outside of barrel can pass through inlet port, tube-shape filter screen, air inlet, inner chamber and gas outlet in proper order.

Optionally, the air outlet of the shell is detachably connected with the air inlet of the shell, and the air outlet of the shell is provided with an air guide hole.

By adopting the technical scheme, the arrangement of the grating enables objects with larger sizes to be difficult to fall into the shell, the wind wheel is difficult to damage due to collision with other objects, and the service life of the wind wheel is prolonged; simultaneously, make the finger be difficult for stretching into in the casing, security when having improved air purifier and using.

Optionally, the grille includes an inner ring, an outer ring and air deflectors, the outer ring is detachably connected to the casing, the inner ring concentrically penetrates through the outer ring, two ends of the air deflectors are respectively connected with the inner ring and the outer ring, the air deflectors are uniformly arranged along the circumferential direction of the inner ring, and two adjacent air deflectors, the inner ring and the outer ring form fan-shaped air guide holes;

the air purifier further comprises a sealing structure for sealing the air guide hole, the sealing structure comprises a lantern ring and a sealing sheet, the lantern ring is sleeved on the inner ring and can rotate around the inner ring, the sealing sheet is uniformly arranged on the outer side of the lantern ring along the circumferential direction, and the sealing sheet can seal the air guide hole.

By adopting the technical scheme, when the air purifier is not used, the sealing sheet can be rotated to close the air guide hole, so that dust and the like are not easy to enter the shell through the air guide hole when the air purifier is not used, and the air cleanliness of the air blown out when the air purifier is used is ensured.

Optionally, a rotation limiting block is arranged on the inner side wall of the sleeve ring, a rotation limiting groove is formed in the outer side wall of the inner ring, and the rotation limiting block is arranged in the rotation limiting groove and can slide in the rotation limiting groove along the circumferential direction of the inner ring;

the rotation limiting groove is provided with a closed abutting surface and an opening abutting surface, and when the rotation limiting block abuts against the closed abutting surface, the closing sheet closes the air guide hole; when the rotation limiting block abuts against the opening abutting surface, the sealing sheet is overlapped with the air guide sheet.

Through adopting above-mentioned technical scheme, realized rotating the lantern ring and connect the function on the inner circle, simultaneously, ensure the closure of closing piece to the wind-guiding hole through rotating the stopper and closing the butt of butt face, open completely when guaranteeing that the wind-guiding hole opens through rotating the stopper and opening the butt of butt face.

Optionally, the closed structure further comprises a plurality of transmission members, the transmission members are evenly arranged along the circumferential direction of the lantern ring, the transmission members can be in sliding friction with the upper end face of the wind wheel, and when the wind wheel rotates, the transmission members can drive the closed pieces to slide along the circumferential direction of the inner ring.

By adopting the technical scheme, the sealing sheet can be driven by the wind wheel to rotate so as to realize the automatic opening and closing of the wind guide hole.

Optionally, the air inlet device further comprises a sealing element for sealing the air inlet, the sealing element is attached to the inner side wall of the cylinder body, the sealing element can slide relative to the cylinder body along the circumferential direction, the sealing element comprises an opening part and a sealing part, and when the opening part is overlapped with the air inlet, the air inlet is opened; when the closed part is overlapped with the air inlet hole, the air inlet hole is closed.

Through adopting above-mentioned technical scheme, when air purifier does not use, can rotate the closure and close the inlet port, make when air purifier does not use dust etc. be difficult for getting into the barrel through the inlet port in, reduced the invalid use of tube-shape filter screen, improved tube-shape filter screen's life and availability.

Optionally, a driving part is arranged on the upper side of the closing part, the driving part can be in sliding friction with the lower end surface of the wind wheel, and when the wind wheel rotates, the driving part can drive the closing part to rotate;

the shell is provided with a closed limiting groove, and the driving part penetrates through the closed limiting groove and can slide in the closed limiting groove along the circumferential direction of the barrel.

By adopting the technical scheme, the closing piece can be driven by the wind wheel to rotate so as to realize the automatic opening and closing of the air inlet hole.

Optionally, the closed limiting groove has a closing abutting surface and an opening abutting surface, and when the driving portion abuts against the closing abutting surface, the closed portion overlaps the air inlet; when the driving part is abutted against the opening abutting surface, the opening part is overlapped with the air inlet hole.

By adopting the technical scheme, the sealing of the air inlet hole by the sealing piece is ensured through the abutting joint of the driving part and the closing abutting surface, and the air inlet hole is completely opened when opened through the abutting joint of the driving part and the opening abutting surface.

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

1. when the air purifier is not used, the sealing sheet can be rotated to close the air guide hole, so that dust and the like are not easy to enter the shell through the air guide hole when the air purifier is not used, and the cleanliness of air blown out by the air purifier when in use is ensured;

2. the sealing sheet can be driven by the wind wheel to rotate so as to realize the automatic opening and closing of the air guide hole;

3. the closing piece can be driven by the wind wheel to rotate, so that the air inlet hole can be automatically opened and closed.

Drawings

Fig. 1 is a side view of an air cleaner of embodiment 1 of the present application.

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

Fig. 3 is an exploded view of the grille and the upper and lower casings, the wind wheel, and the lower casing according to embodiment 1 of the present application.

Fig. 4 is a side view of an air cleaner of embodiment 2 of the present application.

Fig. 5 is a sectional view taken along line B-B in fig. 4.

Fig. 6 is an exploded view of the grille and the wind wheel driving source, the upper housing, the wind wheel, and the lower housing in embodiment 2 of the present application.

Fig. 7 is an exploded view of the grille and enclosure structure of example 2 of the present application.

Fig. 8 is an enlarged view of a portion C in fig. 7.

Fig. 9 is an enlarged view of a portion D in fig. 7.

Fig. 10 is an exploded view of the wind wheel and the lower shell, the closing member and the cylinder in embodiment 2 of the present application.

Description of reference numerals: 10. a base; 20. a barrel; 21. an air inlet; 22. inserting the column; 30. a cylindrical filter screen; 40. a housing; 41. an air inlet; 42. an air outlet; 43. an inner cavity; 44. closing the limit groove; 441. closing the abutting surface; 442. opening the abutting surface; 45. a lower housing; 46. an upper housing; 461. connecting sheets; 462. mounting the cylinder; 50. an air draft structure; 51. a wind wheel; 52. a wind wheel driving source; 60. a support bar; 61. a connecting portion; 611. a rechargeable power supply; 612. a transfer port; 613. inserting holes; 62. a spanning part; 70. a light emitter; 80. a grid; 81. an inner ring; 811. rotating the limiting groove; 8111. closing the abutting surface; 8112. opening the abutting surface; 812. sliding into the groove; 82. an outer ring; 83. a wind guide sheet; 84. an air guide hole; 90. a closed structure; 91. a collar; 911. rotating the limiting block; 92. a sealing sheet; 93. a transmission member; 100. a closure; 101. an opening part; 102. a closing part; 103. a drive section; 110. a buckle structure; 111. a clamping block; 112. a clip sheet; 1121. and (6) clamping the hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-10.

The embodiment of the application discloses an air purifier.

Example 1

Referring to fig. 1 and 2, the air cleaner includes a base 10, a drum 20, a cylindrical screen 30, a housing 40, an air extracting structure 50, a support bar 60, and a light 70.

The chassis is in a disc shape. The barrel 20 is fixed on the upper side of the chassis, and the barrel 20 and the chassis are arranged concentrically. The tubular screen 30 is in contact with the upper side of the chassis, the tubular screen 30 is located inside the cylinder 20, the tubular screen 30 is concentrically arranged with the cylinder 20, the tubular screen 30 is used for filtering air passing through the peripheral wall of the tubular screen 30, and the tubular screen 30 may be an activated carbon screen or a HEPA screen. An air inlet hole 21 is opened on the peripheral wall of the cylinder 20 corresponding to the cylindrical filter screen 30, so that air outside the cylinder 20 can enter the cylinder 20 through the air inlet hole 21.

Referring to fig. 2 and 3, the housing 40 is disposed on the upper side of the cylindrical filter screen 30 and inside the cylinder 20, the housing 40 is detachably connected to the inside of the cylinder 20 by screws, and the housing 40 and the base 10 are clamped on two sides of the cylindrical filter screen 30, so that the cylindrical filter screen 30 is not prone to shaking.

Casing 40 includes upper casing 46 and lower casing 45, and upper casing 46 and lower casing 45 are concentric setting, and upper casing 46 is connected through buckle structure 110 card dismantlement with lower casing 45, and buckle structure 110 includes fixture block 111 and joint piece 112. Specifically, the plurality of latch blocks 111 are integrally arranged on the peripheral wall of the upper side of the lower housing 45, and the plurality of latch blocks 111 are uniformly arranged along the circumferential direction of the lower housing 45. A plurality of clamping pieces 112 are integrally arranged on the outer peripheral wall of the lower side of the upper shell 46, the clamping pieces 112 extend downwards out of the upper shell 46, the plurality of clamping pieces 112 are uniformly arranged along the circumferential direction of the upper shell 46, and clamping holes 1121 are formed in the clamping pieces 112. When the upper housing 46 and the lower housing 45 are assembled, the lower end surface of the upper housing 46 abuts against the upper end surface of the lower housing 45, the plurality of clamping pieces 112 are clamped on the outer peripheral wall of the lower housing 45, and the clamping block 111 is inserted into the clamping hole 1121 to be clamped with the clamping pieces 112.

The lower end of the lower case 45 has an air inlet 41, and the air inlet 41 communicates with the inner hole of the cylindrical screen 30. The upper end of the upper shell 46 is provided with an air outlet 42, and the upper shell 46 and the lower shell 45 are matched to form an inner cavity 43 communicating the air inlet 41 and the air outlet 42.

The air exhausting structure 50 is disposed in the inner cavity 43, and the air exhausting structure 50 is used for forming a negative pressure in the inner cavity 43 to drive the air outside the barrel 20 to enter the inner cavity 43 through the air inlet 21, the tubular filter screen 30 and the air inlet 41 in sequence and to be discharged out of the inner cavity 43 through the air outlet 42. Extraction structure 50 includes a wind rotor 51 and a wind rotor drive source 52.

The wind wheel driving source 52 is a motor, the wind wheel driving source 52 is installed in the upper shell 46, and the wind wheel driving source 52 and the upper shell 46 are concentrically arranged. Specifically, an installation cylinder 462 which opens towards the upper side is arranged in the upper housing 46, the installation cylinder 462 and the upper housing 46 are concentrically arranged, a plurality of connection pieces 461 are arranged on the outer peripheral wall of the installation cylinder 462, and two ends of each connection piece 461 are respectively fixed with the inner side wall of the upper housing 46 and the outer side wall of the installation cylinder 462 so as to fix the installation cylinder 462 on the inner side of the upper housing 46. The wind wheel driving source 52 is fixed in the mounting cylinder 462, and the output shaft of the wind wheel driving source 52 penetrates downward and extends out of the mounting cylinder 462. The wind wheel 51 is arranged in the lower shell 45, the wind wheel 51 and the lower shell 45 are concentrically arranged, and the wind wheel 51 is fixedly connected with an output shaft of the wind wheel driving source 52 so as to form negative pressure in the inner cavity 43 under the driving of the wind wheel driving source 52.

The air purifier further includes a grill 80, and the grill 80 is detachably attached to the upper housing 46 at the air outlet 42 by a snap structure 110, so that objects are not easily dropped from the air outlet 42 into the upper housing 46. The grille 80 comprises an inner ring 81, an outer ring 82 and air guide sheets 83, wherein the inner ring 81 is positioned in the outer ring 82, the inner ring 81 and the outer ring 82 are concentrically arranged, the air guide sheets 83 are arranged between the inner ring 81 and the outer ring 82, the air guide sheets 83 are fixedly connected with the inner ring 81 and/or the outer ring 82, and air guide holes 84 are formed between the inner ring 81 and the outer ring 82 by the air guide sheets 83.

The plurality of latch blocks 111 are integrally arranged on the peripheral wall of the upper side of the upper shell 46, and the plurality of latch blocks 111 are uniformly arranged along the circumferential direction of the upper shell 46. A plurality of clamping pieces 112 are integrally arranged on the outer peripheral wall of the lower side of the outer ring 82, the clamping pieces 112 extend downwards out of the outer ring 82, the plurality of clamping pieces 112 are uniformly arranged along the circumferential direction of the outer ring 82, and clamping holes 1121 are formed in the clamping pieces 112. When the grill 80 is assembled with the upper housing 46, the lower end surface of the outer ring 82 abuts against the upper end surface of the upper housing 46, the plurality of clamping pieces 112 are clamped on the outer peripheral wall of the upper housing 46, and the clamping block 111 is inserted into the clamping hole 1121 to be clamped with the clamping pieces 112.

The support rod 60 is detachably connected to the cylinder 20, and the support rod 60 includes a connecting portion 61 and a cross portion 62. Specifically, one side of barrel 20 is located to connecting portion 61, and an organic whole is equipped with a plurality of pegs graft post 22 on the lateral wall of barrel 20, and a plurality of pegs graft post 22 are the interval setting along the axial of barrel 20, have seted up corresponding spliced eye 613 on connecting portion 61, and peg graft post 22 pegs graft in spliced eye 613 to can dismantle the one side of connecting in barrel 20 with connecting portion 61. The upper end of the connecting part 61 extends upwards out of the cylinder 20, the spanning part 62 is integrally formed with the upper end of the connecting part 61, and the spanning part 62 spans the upper side of the cylinder 20.

The light emitting body 70 is an LED lamp, and the light emitting body 70 is disposed in the crossing portion 62 and disposed toward the barrel 20, so that the user is not prone to generating direct light and damaging the eyes of the user.

The connection portion 61 is further provided with a rechargeable power supply 611, the rechargeable power supply 611 may be a lithium battery, a storage battery, or a nickel-hydrogen battery, and the rechargeable power supply 611 is electrically connected to the light emitter 70 and the wind wheel driving source 52 to supply power to the light emitter 70 and the wind wheel driving source 52.

The lower end of the connecting portion 61 is further provided with a switching port 612, the switching port 612 is electrically connected with the rechargeable power supply 611, a user can charge the rechargeable power supply 611 through the switching port 612, and the user can also use the rechargeable power supply 611 to supply power to other electronic devices through the switching port 612.

The implementation principle of the embodiment 1 is as follows: the light emitting body 70 irradiates toward the barrel 20, so that the user is not prone to generating direct light and damaging the eyes of the user when using the device. The rechargeable power supply 611 can supply power to the wind wheel driving source 52 and the light emitter 70, and can also supply power to other electronic equipment, so that the functional diversity of the air purifier is improved.

Example 2

Referring to fig. 4, 5 and 6, the present embodiment is different from embodiment 1 in that two ends of the air guiding sheet 83 are respectively and integrally connected with an outer sidewall of the inner ring 81 and an inner sidewall of the outer ring 82, the air guiding sheets 83 are uniformly arranged along the circumferential direction of the inner ring 81, and two adjacent air guiding sheets 83 are matched with the inner ring 81 and the outer ring 82 to form a fan-shaped air guiding hole 84.

Referring to fig. 5 and 6, the present embodiment is also different from embodiment 1 in that the air cleaner further includes a closing structure 90 and a closing member 100.

Referring to fig. 6 and 7, a sealing structure 90 is used to seal the air guiding hole 84, and the sealing structure 90 includes a collar 91 and a sealing sheet 92. Specifically, the collar 91 is sleeved on the inner ring 81, the collar 91 may be located on the upper side of the air guiding plate 83 or located on the lower side of the air guiding plate 83, in this embodiment, the collar 91 is described as being located on the lower side of the air guiding plate 83, the inner diameter of the collar 91 is equal to the outer diameter of the inner ring 81, and the collar 91 can rotate relative to the inner ring 81. The sealing sheets 92 are fixed on the outer side of the lantern ring 91, the plurality of sealing sheets 92 are uniformly arranged along the circumferential direction of the lantern ring 91, the sealing sheets 92 are arranged in a fan shape, the sealing sheets 92 are matched with the air guide holes 84, and the sealing sheets 92 can abut against the lower side of the air guide sheet 83. When the rotary closing sheet 92 is completely stacked on the lower side of the air guiding sheet 83, the air guiding hole 84 is opened, and the purified air can be discharged through the air guiding hole 84; when the sealing sheet 92 is rotated to the position right below the air guide hole 84, the air guide hole 84 is closed, so that dust and the like are not easy to enter the shell 40 through the air guide hole 84 when the air purifier is not used, and the cleanliness of air blown out by the air purifier when in use is ensured.

Referring to fig. 7, 8 and 9, a plurality of rotation stoppers 911 are integrally arranged on the inner side wall of the lantern ring 91, and the plurality of rotation stoppers 911 are uniformly arranged along the circumferential direction of the lantern ring 91. Seted up on the lateral wall of inner circle 81 and rotated spacing groove 811, rotated spacing groove 811 and be the arc setting and be concentric setting with inner circle 81, rotate stopper 911 and locate and rotate in the spacing groove 811, rotate stopper 911 and can follow the circumferential slip of inner circle 81 in rotating spacing groove 811 to rotate the lantern ring 91 and connect on inner circle 81.

The rotation limiting groove 811 is provided with a closing abutting surface 8111 and an opening abutting surface 8112, the closing abutting surface 8111 and the opening abutting surface 8112 are respectively positioned at two ends of the rotation limiting groove 811, when the rotation limiting block 911 abuts against the closing abutting surface 8111, the closing piece 92 is positioned right below the air guide hole 84, and the closing piece 92 closes the air guide hole 84; when the rotation stopper 911 abuts against the opening abutting surface 8112, the closing piece 92 is completely stacked on the lower side of the air guiding piece 83, the closing piece 92 is overlapped with the air guiding piece 83, and the air guiding hole 84 is opened.

The closed structure 90 further comprises a plurality of transmission members 93, the transmission members 93 are evenly arranged along the circumferential direction of the lantern ring 91, the upper end of the transmission member 93 is integrally arranged with the lantern ring 91, the lower end of the transmission member 93 has sliding friction with the upper end face of the wind wheel 51, and when the wind wheel 51 rotates, the transmission member 93 and the sealing sheet 92 are driven to slide along the circumferential direction of the inner ring 81 through friction.

When the air purifier works, the wind wheel driving source 52 rotates anticlockwise to drive the rotation limiting block 911 to be kept in abutting joint with the opening abutting surface 8112, and the air guide hole 84 is kept open; when the air purifier is closed, the wind wheel driving source 52 rotates clockwise for a plurality of circles and then stops rotating, the rotation limiting block 911 is driven to rotate to abut against the closed abutting surface 8111, and the air guide hole 84 is closed.

In order to facilitate the installation of the rotation limiting block 911 into the rotation limiting groove 811, the outer side wall of the inner ring 81 is further provided with a sliding groove 812, the sliding groove 812 is communicated with the rotation limiting groove 811, the sliding groove 812 extends downwards from the rotation limiting groove 811 to penetrate through the lower end surface of the inner ring 81, and the sliding groove 812 can be communicated with the end portion of the rotation limiting groove 811 and also can be communicated with the middle portion of the rotation limiting groove 811.

Referring to fig. 5 and 10, the sealing element 100 is disposed concentrically with the barrel 20, the sealing element 100 may be disposed in a cylindrical shape or may be an arc-shaped piece, and specifically, the sealing element 100 may be disposed according to the shape of the barrel 20, the sealing element 100 is attached to the inner side wall of the barrel 20, and the sealing element 100 may rotate in the circumferential direction relative to the barrel 20. The closure 100 includes an opening portion 101 and a closing portion 102, the opening portion 101 is a through hole penetrating the closure 100, and the closing portion 102 is located on the closure 100 except for the through hole. The opening part 101 can be overlapped with the air inlet 21, and when the opening part 101 is overlapped with the air inlet 21, the air inlet 21 is opened; the closing part 102 can overlap the air intake hole 21, when the closing part 102 overlaps the air intake hole 21, the air intake hole 21 is closed, the opening part 101 is driven to overlap the air intake hole 21 by rotating the closing part 100, or the closing part 102 is driven to overlap the air intake hole 21.

The upside of closing member 100 is fixed with drive division 103, and drive division 103's upper end and wind wheel 51's lower terminal surface sliding friction have seted up on the casing 45 and have sealed spacing groove 44, and sealed spacing groove 44 is the arc setting and is concentric setting with casing 45 down, and drive division 103 wears to locate in sealing spacing groove 44, and drive division 103 can be in sealing spacing groove 44 along the circumference slip of barrel 20. When the wind wheel 51 rotates, the closing member 100 is driven to rotate by friction with the driving portion 103, so as to open or close the air inlet hole 21.

The closed limiting groove 44 has a closing abutting surface 441 and an opening abutting surface 442, the closed limiting groove 44 has a closing abutting surface 441 and an opening abutting surface 442 which are respectively located at two ends of the closed limiting groove 44, when the driving portion 103 abuts against the closing abutting surface 441, the closing portion 102 is overlapped with the air inlet 21, and the air inlet 21 is closed; when the driving portion 103 abuts against the opening abutment surface 442, the opening portion 101 overlaps the intake port 21, and the intake port 21 opens.

When the air purifier works, the wind wheel driving source 52 rotates anticlockwise to drive the driving part 103 to be in butt joint with the opening butt joint surface 442, and the air inlet 21 is kept open; when the air purifier is closed, the wind wheel driving source 52 rotates clockwise for a plurality of circles and then stops rotating, the driving portion 103 is driven to rotate to abut against the closing abutting surface 441, the air inlet 21 is closed, dust and the like are not easy to enter the barrel 20 through the air inlet 21 when the air purifier is not used, the ineffective use of the cylindrical filter screen 30 is reduced, and the service life of the cylindrical filter screen 30 is prolonged.

The implementation principle of the embodiment 2 is as follows: when the air purifier is opened, the wind wheel driving source 52 drives the wind wheel 51 to rotate anticlockwise, the wind wheel 51 drives the rotation limiting block 911 to abut against the opening abutting surface 8112 from abutting against the closed abutting surface 8111 through friction, the rotation limiting block 911 is enabled to abut against the opening abutting surface 8112, and the air guide hole 84 is opened; meanwhile, the wind wheel 51 rotates from abutting against the closing abutting surface 441 to abutting against the opening abutting surface 442 through the friction driving portion 103, the driving portion 103 keeps abutting against the opening abutting surface 442, the air inlet 21 is opened, and the air purifier works normally.

When the air purifier is closed, the wind wheel driving source 52 drives the wind wheel 51 to rotate clockwise for a plurality of circles, the wind wheel 51 drives the rotation limiting block 911 to abut against the closed abutting surface 8111 from abutting against the opening abutting surface 8112 through friction, the rotation limiting block 911 is enabled to abut against the closed abutting surface 8111, and the air guide hole 84 is closed; meanwhile, the wind wheel 51 rotates from abutting against the opening abutting surface 442 to abutting against the closing abutting surface 441 through the friction driving portion 103, the driving portion 103 keeps abutting against the closing abutting surface 441, the air inlet hole 21 is closed, and therefore dust and other impurities are not prone to entering the air purifier.

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 base (10);

the cylinder body (20) is arranged on the upper side of the base (10), and air inlet holes (21) are arranged on the peripheral wall of the cylinder body (20) at intervals;

the cylindrical filter screen (30) is arranged on the upper side of the base (10) and is positioned in the cylinder body (20);

the shell (40) is arranged on the upper side of the cylindrical filter screen (30), the shell (40) is provided with an air inlet (41), an air outlet (42) and an inner cavity (43) for communicating the air inlet (41) with the air outlet (42), the air inlet (41) faces the cylindrical filter screen (30) and is communicated with an inner hole of the cylindrical filter screen (30), and the air outlet (42) is arranged opposite to the cylindrical filter screen (30);

the air draft structure (50) is arranged in the inner cavity (43) and drives air on the outer side of the barrel body (20) to sequentially pass through the air inlet hole (21), the cylindrical filter screen (30), the air inlet (41), the inner cavity (43) and the air outlet (42);

the supporting rod (60) comprises a connecting part (61) and a crossing part (62), the connecting part (61) is arranged on one side of the cylinder body (20) and extends upwards, and the crossing part (62) is connected with the connecting part (61) and crosses the upper side of the cylinder body (20); and

and a light emitting body (70) provided on the spanning section (62) and disposed facing the cylindrical body (20).

2. The air purifier of claim 1, wherein: a rechargeable power supply (611) is arranged in the connecting portion (61), the rechargeable power supply (611) is electrically connected with the luminous body (70) and the air draft structure (50), and a switching port (612) electrically connected with the rechargeable power supply (611) is further arranged on the connecting portion (61).

3. The air purifier of claim 1, wherein: convulsions structure (50) include wind wheel (51) and wind wheel drive source (52), wind wheel drive source (52) are located in inner chamber (43), wind wheel (51) are located the output of wind wheel drive source (52).

4. The air purifier of claim 3, wherein: the air conditioner also comprises a grid (80) detachably connected to the air outlet (42) of the shell (40), and the grid (80) is provided with an air guide hole (84).

5. The air purifier of claim 4, wherein: the grille (80) comprises an inner ring (81), an outer ring (82) and air guide sheets (83), the outer ring (82) is detachably connected to the shell (40), the inner ring (81) concentrically penetrates through the outer ring (82), two ends of each air guide sheet (83) are respectively connected with the inner ring (81) and the outer ring (82), the air guide sheets (83) are uniformly arranged along the circumferential direction of the inner ring (81), and two adjacent air guide sheets (83), the inner ring (81) and the outer ring (82) form fan-shaped air guide holes (84);

the air purifier further comprises a sealing structure (90) for sealing the air guide hole (84), the sealing structure (90) comprises a sleeve ring (91) and sealing sheets (92), the sleeve ring (91) is sleeved on the inner ring (81) and can rotate around the inner ring (81), the sealing sheets (92) are uniformly arranged on the outer side of the sleeve ring (91) along the circumferential direction, and the sealing sheets (92) can seal the air guide hole (84).

6. The air purifier of claim 5, wherein: a rotation limiting block (911) is arranged on the inner side wall of the sleeve ring (91), a rotation limiting groove (811) is arranged on the outer side wall of the inner ring (81), and the rotation limiting block (911) is arranged in the rotation limiting groove (811) and can slide in the rotation limiting groove (811) along the circumferential direction of the inner ring (81);

the rotation limiting groove (811) is provided with a closed abutting surface (8111) and an opened abutting surface (8112), and when the rotation limiting block (911) abuts against the closed abutting surface (8111), the sealing sheet (92) seals the air guide hole (84); when the rotation limiting block (911) is abutted against the opening abutting surface (8112), the sealing sheet (92) is overlapped with the air guide sheet (83).

7. The air purifier of claim 6, wherein: the closed structure (90) further comprises a plurality of transmission pieces (93), the transmission pieces (93) are arranged along the circumferential direction of the lantern ring (91) uniformly, the transmission pieces (93) can be in sliding friction with the upper end face of the wind wheel (51), and when the wind wheel (51) rotates, the transmission pieces (93) can drive the sealing pieces (92) to slide along the circumferential direction of the inner ring (81).

8. The air purifier of claim 3, wherein: the sealing piece (100) is attached to the inner side wall of the barrel body (20), the sealing piece (100) can slide relative to the barrel body (20) along the circumferential direction, the sealing piece (100) comprises an opening part (101) and a sealing part (102), and when the opening part (101) is overlapped with the air inlet hole (21), the air inlet hole (21) is opened; when the closing part (102) is overlapped with the air inlet hole (21), the air inlet hole (21) is closed.

9. The air purifier of claim 8, wherein: a driving part (103) is arranged on the upper side of the closing part (100), the driving part (103) can be in sliding friction with the lower end face of the wind wheel (51), and when the wind wheel (51) rotates, the driving part (103) can drive the closing part (100) to rotate;

the shell (40) is provided with a closed limiting groove (44), and the driving part (103) penetrates through the closed limiting groove (44) and can slide in the closed limiting groove (44) along the circumferential direction of the barrel (20).

10. The air cleaner of claim 9, wherein: the closed limiting groove (44) is provided with a closed abutting surface (441) and an opened abutting surface (442), and when the driving part (103) abuts against the closed abutting surface (441), the closed part (102) is overlapped with the air inlet hole (21); when the driving portion (103) abuts against the opening abutting surface (442), the opening portion (101) overlaps the intake hole (21).