CN115013922B

CN115013922B - Air purifier

Info

Publication number: CN115013922B
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: 2024-02-13
Anticipated expiration: 2042-05-30
Also published as: CN115013922A

Abstract

The application relates to an air purifier relates to the field of air conditioning, and it includes: a base; the cylinder is arranged on the upper side of the base, and air inlets which are arranged at intervals are arranged on the peripheral wall of the cylinder; the cylindrical filter screen is arranged on the upper side of the base and positioned in the cylinder; the shell is arranged at 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 the inner hole of the cylindrical filter screen, and the air outlet is arranged back to the cylindrical filter screen; the air exhausting structure is arranged in the inner cavity and drives air outside the cylinder body 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 provided on the crossing portion and disposed toward the cylinder. The application has the effect of avoiding the direct light of the light to eyes when in use and sealing the air purifier when not in use.

Description

Air purifier

Technical Field

The present application relates to the field of air conditioning, and more particularly to an air purifier.

Background

With the development of society, people pay more and more attention to the air quality of living environments, and air purifiers have been developed, which are products capable of adsorbing, decomposing or converting various air pollutants to improve air cleanliness.

In the related art, as in the chinese patent publication CN 109210633A, a desk lamp air purifier is disclosed, which comprises a base provided with an LED lamp switch, a columnar filter air purifier is connected to the upper part of the base, an LED lamp post is provided to the upper part of the filter air purifier, a top cover with an air outlet is connected to the upper part of the LED lamp post, and the air outlet is communicated with the filter air purifier; an air inlet hole is formed in the outer wall of a columnar device body of the filter type air purifier, a ring-shaped filter screen arranged along the inner wall of the device body is arranged in an inner cavity of the device body, and an air guide fan is arranged in the middle of the inner cavity of the device body or on an air outlet channel communicated with the inner cavity of the device body; the outer wall of the device body is also provided with a purifier switch for controlling the operation of the air guide fan of the filter type air purifier.

Aiming at the related technology, the inventor considers that when the air purifier is used, the lamplight of the LED lamp post is directly irradiated to the periphery, so that the vision of a user is fuzzy after long-time use, the eye health of the user is not facilitated, and the improvement is still provided.

Disclosure of Invention

In order to prevent light from directly irradiating eyes when the air purifier is used, the application provides the air purifier.

The application provides an air purifier adopts following technical scheme:

an air purifier, comprising:

a base;

the cylinder is arranged on the upper side of the base, and air inlets which are arranged at intervals are arranged on the peripheral wall of the cylinder;

the cylindrical filter screen is arranged on the upper side of the base and 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 which is communicated with the air inlet and the air outlet, the air inlet is arranged towards the cylindrical filter screen and is communicated with the inner hole of the cylindrical filter screen, and the air outlet is arranged back to the cylindrical filter screen;

the air exhausting structure is arranged in the inner cavity and drives air outside the cylinder body 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 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

and the luminous body is arranged on the crossing part and is arranged towards the cylinder body.

Through adopting above-mentioned technical scheme, the luminous body sets up towards the barrel for when air purifier and luminous body use, the difficult condition that the light directly reaches user's eyes that appears 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 illuminant 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 chargeable power supply can be for air purifier and luminous body power supply, also can charge through the switching mouth, or for other electronic equipment power supply, has improved the variety of air purifier function.

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

Through adopting above-mentioned technical scheme, wind wheel drive source drives the wind wheel and rotates in the inner chamber and produce negative pressure to make the outside air of barrel can pass through inlet port, tubular filter screen, air inlet, inner chamber and gas outlet in proper order.

Optionally, the air conditioner further comprises a grille detachably connected to the air outlet of the shell, and the grille is provided with air guide holes.

By adopting the technical scheme, the object with larger size is not easy to fall into the shell due to the arrangement of the grille, so that the wind wheel is not easy 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, improved the security when air purifier uses.

Optionally, the grille comprises an inner ring, an outer ring and air guide plates, the outer ring is detachably connected to the shell, the inner ring is concentrically arranged in the outer ring in a penetrating manner, two ends of each air guide plate are respectively connected with the inner ring and the outer ring, the air guide plates are uniformly arranged along the circumferential direction of the inner ring, and two adjacent air guide plates, the inner ring and the outer ring form air guide holes in a fan shape;

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

Through adopting above-mentioned technical scheme, when air purifier does not use, can rotate the closure flap and close the wind-guiding hole for in air purifier does not use in the dust etc. is difficult for getting into the casing through the wind-guiding hole, has guaranteed the air cleanliness factor that blows out when air purifier uses.

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

the rotation limiting groove is provided with a sealing abutting surface and an opening abutting surface, and when the rotation limiting block abuts against the sealing abutting surface, the sealing piece seals the air guide hole; when the rotation limiting block is abutted to the opening abutting surface, the sealing piece is overlapped with the air guide piece.

Through adopting above-mentioned technical scheme, realized rotating the lantern ring and connecting the function on the internal ring, simultaneously, guarantee the closure of closure piece to the wind-guiding hole through the butt of rotation stopper with closing the butt face, guarantee to open completely when the wind-guiding hole is opened through the butt of rotation stopper with opening the butt face.

Optionally, the seal structure still includes a plurality of driving pieces, and is a plurality of the driving piece is followed the circumference of lantern ring evenly sets up, the driving piece can with the up end sliding friction of wind wheel, when the wind wheel rotates, the driving piece can drive the seal piece is followed the circumference slip of inner circle.

By adopting the technical scheme, the sealing piece can rotate under the drive of the wind wheel, so that the automatic opening and closing of the wind guide hole are realized.

Optionally, the device further comprises a sealing piece for sealing the air inlet, the sealing piece is attached to the inner side wall of the cylinder, the sealing piece can slide along the circumferential direction relative to the cylinder, the sealing piece 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 closing 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 piece and close the inlet port for in air purifier does not use in dust etc. is difficult for getting into the barrel through the inlet port, reduced the invalid use of tube-shape filter screen, improved tube-shape filter screen's life and effective utilization ratio.

Optionally, a driving part is arranged on the upper side of the sealing piece, the driving part can slide and rub with the lower end surface of the wind wheel, and when the wind wheel rotates, the driving part can drive the sealing piece to rotate;

the shell is provided with a closed limit groove, and the driving part is arranged in the closed limit groove in a penetrating manner and can slide in the closed limit groove along the circumferential direction of the cylinder body.

By adopting the technical scheme, the sealing piece can rotate under the drive of the wind wheel, so that the automatic opening and closing of the air inlet hole are realized.

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

By adopting the technical scheme, the sealing of the sealing piece to the air inlet hole is ensured through the abutting joint of the driving part and the closing abutting surface, and the air inlet hole is ensured to be completely opened when the driving part is in abutting joint with 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 piece 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 when the air purifier is used is ensured;

2. the sealing piece can rotate under the drive of the wind wheel so as to realize the automatic opening and closing of the wind guide hole;

3. the sealing piece can rotate under the drive of the wind wheel so as to realize the automatic opening and closing of the air inlet.

Drawings

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

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

Fig. 3 is an exploded view of the grille and the upper, wind wheel, lower housing of 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 the direction B-B in fig. 4.

Fig. 6 is an exploded schematic view of the grid and wind wheel drive source, upper housing, wind wheel, lower housing of embodiment 2 of the present application.

Fig. 7 is an exploded view of the grille and the closed structure of embodiment 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 housing, the closure, and the barrel of embodiment 2 of the present application.

Reference numerals illustrate: 10. a base; 20. a cylinder; 21. an air inlet hole; 22. a plug-in 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 abutment surface; 442. opening the abutting surface; 45. a lower housing; 46. an upper housing; 461. a connecting sheet; 462. a mounting cylinder; 50. an air draft structure; 51. a wind wheel; 52. a wind wheel driving source; 60. a support rod; 61. a connection part; 611. a rechargeable power source; 612. a transfer port; 613. a plug hole; 62. a cross section; 70. a light emitting body; 80. a grille; 81. an inner ring; 811. rotating the limit groove; 8111. closing the abutting surface; 8112. opening the abutting surface; 812. sliding into the groove; 82. an outer ring; 83. an air guiding sheet; 84. an air guide hole; 90. a closed structure; 91. a collar; 911. a rotation limiting block; 92. a closure tab; 93. a transmission member; 100. a closure; 101. an opening part; 102. a closing part; 103. a driving section; 110. a buckle structure; 111. a clamping block; 112. a clamping piece; 1121. and (5) clamping the hole.

Detailed Description

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

The embodiment of the application discloses an air purifier.

Example 1

Referring to fig. 1 and 2, the air purifier includes a base 10, a cylinder 20, a cylindrical filter 30, a housing 40, an air suction structure 50, a support bar 60, and a luminous body 70.

The chassis is arranged in a disc shape. The cylinder 20 is fixed on the upper side of the chassis, and the cylinder 20 and the chassis are concentrically arranged. The tubular filter screen 30 butt is in the upside on chassis, and tubular filter screen 30 is located the inboard of barrel 20, and tubular filter screen 30 is concentric with barrel 20 and sets up, and tubular filter screen 30 is used for filtering the air that passes through the perisporium of tubular filter screen 30, and tubular filter screen 30 can be the active carbon filter screen, also can be HEPA. Air inlets 21 are formed in 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 inlets 21.

Referring to fig. 2 and 3, the housing 40 is disposed on the upper side of the cylindrical filter screen 30 and is disposed inside the cylinder 20, the housing 40 is detachably connected in 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 easy to shake.

The casing 40 includes an upper casing 46 and a lower casing 45, the upper casing 46 and the lower casing 45 are concentrically arranged, the upper casing 46 and the lower casing 45 are detachably connected by a fastening structure 110, and the fastening structure 110 includes a fastening block 111 and a fastening piece 112. Specifically, a plurality of clamping blocks 111 are integrally disposed on the outer peripheral wall of the upper side of the lower housing 45, and the plurality of clamping blocks 111 are uniformly disposed along the circumferential direction of the lower housing 45. The plurality of clamping pieces 112 are integrally arranged on the peripheral wall of the lower side of the upper shell 46, the clamping pieces 112 downwards extend 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 case 46 and the lower case 45 are assembled, the lower end surface of the upper case 46 and the upper end surface of the lower case 45 are abutted against each other, the plurality of engaging pieces 112 are clamped on the outer peripheral wall of the lower case 45, and the engaging pieces 112 are engaged with the engaging pieces 111 by inserting them into the engaging holes 1121.

The lower end of the lower housing 45 has an air inlet 41, and the air inlet 41 communicates with the inner hole of the cylindrical filter 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 which is communicated with 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 negative pressure in the inner cavity 43 so as to drive air outside the cylinder 20 to sequentially enter the inner cavity 43 through the air inlet 21, the cylindrical filter screen 30 and the air inlet 41, and to be discharged out of the inner cavity 43 through the air outlet 42. The suction structure 50 includes a wind wheel 51 and a wind wheel 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, a mounting cylinder 462 is disposed in the upper housing 46 and is opened toward the upper side, the mounting cylinder 462 is disposed concentrically with the upper housing 46, a plurality of connecting plates 461 are disposed on the outer peripheral wall of the mounting cylinder 462, and two ends of the connecting plates 461 are respectively fixed to the inner side wall of the upper housing 46 and the outer side wall of the mounting cylinder 462 to fix the mounting cylinder 462 to the inner side of the upper housing 46. The wind wheel drive source 52 is fixed within the mounting barrel 462, and the output shaft of the wind wheel drive source 52 extends downwardly through and out of the mounting barrel 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 grille 80, wherein the grille 80 is detachably connected to the air outlet 42 of the upper housing 46 through a fastening structure 110, so that objects are not easy to fall into the upper housing 46 from the air outlet 42. The grille 80 comprises an inner ring 81, an outer ring 82 and air guide pieces 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 plurality of air guide pieces 83 are arranged between the inner ring 81 and the outer ring 82, the air guide pieces 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 pieces 83.

The plurality of clamping blocks 111 are integrally arranged on the peripheral wall of the upper side of the upper shell 46, and the plurality of clamping blocks 111 are uniformly arranged along the circumferential direction of the upper shell 46. The plurality of clamping pieces 112 are integrally arranged on the peripheral wall of the lower side of the outer ring 82, the clamping pieces 112 downwards extend 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 and the upper end surface of the upper housing 46 are abutted against each other, the plurality of locking pieces 112 are clamped on the outer peripheral wall of the upper housing 46, and the locking pieces 111 are inserted into the locking holes 1121 to be locked with the locking pieces 112.

The support bar 60 is detachably connected to the cylinder 20, and the support bar 60 includes a connection portion 61 and a crossing portion 62. Specifically, the connecting portion 61 is disposed on one side of the barrel 20, the outer side wall of the barrel 20 is integrally provided with a plurality of plugging columns 22, the plurality of plugging columns 22 are disposed at intervals along the axial direction of the barrel 20, the connecting portion 61 is provided with corresponding plugging holes 613, and the plugging columns 22 are plugged in the plugging holes 613 so as to detachably connect the connecting portion 61 to one side of the barrel 20. The upper end of the connecting portion 61 protrudes upward from the cylinder 20, and the spanning portion 62 is integrally formed with the upper end of the connecting portion 61, the spanning portion 62 spanning the upper side of the cylinder 20.

The luminous body 70 is an LED lamp, and the luminous body 70 is arranged in the crossing part 62 and is arranged towards the cylinder body 20, so that light is not easy to direct when a user uses the luminous body, and eyes of the user are not easy to damage.

The connection portion 61 is further provided with a rechargeable power supply 611, where the rechargeable power supply 611 may be a lithium battery, a storage battery, or a nickel-metal hydride 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 connection portion 61 is further provided with a switching interface 612, the switching interface 612 is electrically connected with the rechargeable power supply 611, a user can charge the rechargeable power supply 611 through the switching interface 612, and the user can also supply power to other electronic devices through the switching interface 612 by utilizing the rechargeable power supply 611.

The implementation principle of the embodiment 1 is as follows: the illuminant 70 irradiates towards the cylinder 20, so that the direct light is not easy to generate when a user uses the lamp, and eyes of the user are not easy to be damaged. The rechargeable power supply 611 can supply power for the wind wheel driving source 52 and the illuminant 70, and can also supply power for other electronic devices, so that the functional diversity of the air purifier is improved.

Example 2

Referring to fig. 4, 5 and 6, the difference between the present embodiment and embodiment 1 is that two ends of the air guiding sheet 83 are integrally connected with the outer sidewall of the inner ring 81 and the inner sidewall of the outer ring 82, respectively, the air guiding sheets 83 are uniformly arranged along the circumferential direction of the inner ring 81, and two adjacent air guiding sheets 83 cooperate with the inner ring 81 and the outer ring 82 to form air guiding holes 84 arranged in a fan shape.

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

Referring to fig. 6 and 7, a closing structure 90 is used to close the air guide hole 84, and the closing structure 90 includes a collar 91 and a closing piece 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 piece 83 or may be located on the lower side of the air guiding piece 83, in this embodiment, the collar 91 is described by taking the lower side of the air guiding piece 83 as an example, the inner diameter of the collar 91 is equal to the outer diameter of the inner ring 81, and the collar 91 may rotate relative to the inner ring 81. The sealing piece 92 is fixed in the outside of lantern ring 91, and a plurality of sealing pieces 92 are evenly arranged along the circumference of lantern ring 91, and sealing piece 92 is fan-shaped setting, sealing piece 92 and wind guiding hole 84 looks adaptation, sealing piece 92 can the butt in the downside of wind guiding piece 83. When the rotary sealing plate 92 is completely overlapped on the lower side of the air guiding plate 83, the air guiding hole 84 is opened, and the purified air can be discharged through the air guiding hole 84; when the closing piece 92 is rotated to the right lower side of 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 when the air purifier is used is ensured.

Referring to fig. 7, 8 and 9, a plurality of rotation stoppers 911 are integrally provided on an inner sidewall of the collar 91, and the rotation stoppers 911 are uniformly provided along a circumferential direction of the collar 91. The outer side wall of the inner ring 81 is provided with a rotation limit groove 811, the rotation limit groove 811 is arranged in an arc shape and concentric with the inner ring 81, a rotation limit block 911 is arranged in the rotation limit groove 811, and the rotation limit block 911 can slide in the rotation limit groove 811 along the circumferential direction of the inner ring 81 so as to rotationally connect the collar 91 to the inner ring 81.

The rotation limiting groove 811 has a sealing abutting surface 8111 and an opening abutting surface 8112, the sealing abutting surface 8111 and the opening abutting surface 8112 are respectively located at two ends of the rotation limiting groove 811, when the rotation limiting block 911 abuts against the sealing abutting surface 8111, the sealing piece 92 is located at the right lower side of the air guide hole 84, and the sealing piece 92 seals the air guide hole 84; when the rotation stopper 911 abuts against the opening abutment surface 8112, the closing piece 92 is completely overlapped on the lower side of the air guide piece 83, the closing piece 92 overlaps the air guide piece 83, and the air guide hole 84 is opened.

The sealing structure 90 further comprises a plurality of transmission pieces 93, the transmission pieces 93 are uniformly arranged along the circumference of the lantern ring 91, the upper ends of the transmission pieces 93 and the lantern ring 91 are integrally arranged, the lower ends of the transmission pieces 93 and the upper end face of the wind wheel 51 slide and rub, and when the wind wheel 51 rotates, the transmission pieces 93 and the sealing pieces 92 can slide along the circumference 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 keep abutting with the opening abutting surface 8112, and the wind guide hole 84 keeps open; when the air purifier is turned off, the wind wheel driving source 52 rotates clockwise for a plurality of turns and then stops rotating, and the rotation limiting block 911 is driven to rotate to abut against the sealing abutting surface 8111, so that the wind 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 mutually 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 part of the rotation limiting groove 811 or can be communicated with the middle part of the rotation limiting groove 811.

Referring to fig. 5 and 10, the sealing member 100 is disposed concentrically with the cylinder 20, the sealing member 100 may be disposed in a cylindrical shape, or may be an arc-shaped sheet, specifically may be disposed according to the shape of the cylinder 20, the sealing member 100 is attached to the inner side wall of the cylinder 20, and the sealing member 100 may rotate circumferentially relative to the cylinder 20. The closure 100 includes an opening portion 101 and a closing portion 102, the opening portion 101 being a through hole penetrating the closure 100, the closing portion 102 being located on a portion of the closure 100 other than the through hole. The opening part 101 may overlap the air intake hole 21, and when the opening part 101 overlaps the air intake hole 21, the air intake hole 21 is opened; the closing portion 102 may overlap the air intake hole 21, and when the closing portion 102 overlaps the air intake hole 21, the air intake hole 21 is closed, and the opening portion 101 is driven to overlap the air intake hole 21 by rotating the closing member 100, or the closing portion 102 is driven to overlap the air intake hole 21.

The upper side of the sealing piece 100 is fixed with a driving part 103, the upper end of the driving part 103 slides and rubs with the lower end face of the wind wheel 51, the lower shell 45 is provided with a sealing limit groove 44, the sealing limit groove 44 is arranged in an arc shape and is arranged concentrically with the lower shell 45, the driving part 103 is arranged in the sealing limit groove 44 in a penetrating manner, and the driving part 103 can slide along the circumferential direction of the cylinder 20 in the sealing limit groove 44. When the wind wheel 51 rotates, the closing member 100 is driven to rotate by friction with the driving part 103 to open or close the air inlet 21.

The closed limiting groove 44 has a closed abutting surface 441 and an open abutting surface 442, the closed limiting groove 44 has a closed abutting surface 441 and an open abutting surface 442 located at two ends of the closed limiting groove 44, respectively, when the driving portion 103 abuts against the closed abutting surface 441, the closed portion 102 overlaps 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 hole 21, and the intake hole 21 is opened.

When the air purifier works, the wind wheel driving source 52 rotates anticlockwise, the driving part 103 is driven to keep abutting with the opening abutting surface 442, and the air inlet 21 is kept open; when the air purifier is closed, the wind wheel driving source 52 rotates for a plurality of circles clockwise and then stops rotating, and the driving part 103 is driven to rotate to be abutted with the closing abutting surface 441, so that the air inlet 21 is closed, dust and the like are not easy to enter the cylinder 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 started, 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 rotate from abutting against the closed abutting surface 8111 to abutting against the opening abutting surface 8112 through friction, the rotation limiting block 911 is kept abutting against the opening abutting surface 8112, and the air guide hole 84 is opened; at the same time, the wind wheel 51 rotates from abutting against the closing abutment surface 441 to abutting against the opening abutment surface 442 by friction of the driving portion 103, and the driving portion 103 is kept abutting against the opening abutment surface 442, so that the air intake hole 21 is opened, and the air cleaner operates normally.

When the air purifier is closed, the wind wheel driving source 52 drives the wind wheel 51 to rotate for a plurality of circles clockwise, the wind wheel 51 drives the rotation limiting block 911 to rotate from abutting against the opening abutting surface 8112 to abutting against the closing abutting surface 8111 through friction, and the rotation limiting block 911 is kept abutting against the closing abutting surface 8111, and the wind 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 by friction of the driving portion 103, and the driving portion 103 is kept abutting against the closing abutting surface 441, and the air inlet 21 is closed, so that magazines such as dust are not easy to enter the air cleaner.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this 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 inlets (21) which are arranged at intervals are formed in the peripheral wall of the cylinder body (20);

a cylindrical filter screen (30) which is provided on the upper side of the base (10) and is positioned in the cylinder (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) is arranged towards the cylindrical filter screen (30) and is communicated with the inner hole of the cylindrical filter screen (30), and the air outlet (42) is arranged away from the cylindrical filter screen (30);

the air exhausting structure (50) is arranged in the inner cavity (43) and drives air outside the cylinder 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);

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

a light-emitting body (70) provided on the cross section (62) and disposed toward the cylinder (20);

the air conditioner further comprises a grille (80) detachably connected to the air outlet (42) of the shell (40), and the grille (80) is provided with an air guide hole (84);

the grid (80) comprises an inner ring (81), an outer ring (82) and air guide plates (83), wherein the outer ring (82) is detachably connected to the shell (40), the inner ring (81) is concentrically arranged in the outer ring (82) in a penetrating mode, two ends of each air guide plate (83) are respectively connected with the inner ring (81) and the outer ring (82), the air guide plates (83) are uniformly arranged along the circumferential direction of the inner ring (81), and two adjacent air guide plates (83), the inner ring (81) and the outer ring (82) form air guide holes (84) which are arranged in a fan shape;

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);

the inner side wall of the collar (91) is provided with a rotation limiting block (911), the outer side wall of the inner ring (81) is provided with a rotation limiting groove (811), and the rotation limiting block (911) is arranged in the rotation limiting groove (811) and can slide along the circumferential direction of the inner ring (81) in the rotation limiting groove (811);

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

2. An air cleaner according to claim 1, wherein: the connecting part (61) is internally provided with a chargeable power supply (611), the chargeable power supply (611) is electrically connected with the luminous body (70) and the air draft structure (50), and the connecting part (61) is also provided with an adapter (612) electrically connected with the chargeable power supply (611).

3. An air cleaner according to claim 1, wherein: the air draft structure (50) comprises a wind wheel (51) and a wind wheel driving source (52), the wind wheel driving source (52) is arranged in the inner cavity (43), and the wind wheel (51) is arranged at the output end of the wind wheel driving source (52).

4. An air cleaner according to claim 3, wherein: the sealing structure (90) further comprises a plurality of transmission pieces (93), the transmission pieces (93) are uniformly arranged along the circumference of the sleeve ring (91), the transmission pieces (93) can slide and rub 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 piece (92) to slide along the circumference of the inner ring (81).

5. An air cleaner according to claim 3, wherein: the device further comprises a sealing piece (100) for sealing the air inlet hole (21), wherein the sealing piece (100) is attached to the inner side wall of the cylinder body (20), the sealing piece (100) can slide relative to the cylinder 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.

6. An air cleaner according to claim 5 wherein: a driving part (103) is arranged on the upper side of the sealing piece (100), the driving part (103) can slide and rub with the lower end surface of the wind wheel (51), and when the wind wheel (51) rotates, the driving part (103) can drive the sealing piece (100) to rotate;

the shell (40) is provided with a closed limit groove (44), and the driving part (103) is arranged in the closed limit groove (44) in a penetrating manner and can slide in the closed limit groove (44) along the circumferential direction of the cylinder body (20).

7. An air cleaner according to claim 6 wherein: the closed limit groove (44) is provided with a closed abutting surface (441) and an open 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 part (103) is abutted against the opening abutment surface (442), the opening part (101) overlaps the air inlet hole (21).