CN215175774U

CN215175774U - air purifier

Info

Publication number: CN215175774U
Application number: CN202121137734.6U
Authority: CN
Inventors: 刘世波
Original assignee: Dongguan Estin Home Products Co ltd
Current assignee: Dongguan Estin Home Products Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-12-14
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses an air purifier, which comprises a purifier housing, an air filter element is arranged in the purifier housing, an upper cover is connected to the top of the purifier housing, an air extraction device is arranged under the upper cover, and a negative ion generator is arranged in the purifier housing The air extraction device, the negative ion generator and the UV lamp are respectively electrically connected to the control assembly, and the control assembly is arranged under the upper cover; the periphery of the purifier housing is provided with several air inlet holes, and the upper cover surface is provided with several air outlet holes The bottom of the purifier shell is detachably connected to a bottom cover, and the bottom cover is connected to the bottom of the purifier shell through a snap-fit structure. According to the air purifier of the utility model, a negative ion generator is provided, the air enters from the air inlet hole, the particles of the air carry negative ions, and the particles are trapped in the air filter element to improve the air purification efficiency; the bottom of the purifier shell passes through the bottom cover. The buckle structure is connected, the bottom cover can be quickly removed, and the internal air filter element can be replaced and cleaned, which is convenient for replacement and simple operation.

Description

Air purifier

Technical Field

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

Background

An air cleaner is called an air cleaner, an air freshener, a purifier or the like, and is a product capable of adsorbing, decomposing and converting various air pollutants and effectively improving air cleanliness, and is mainly divided into household, commercial, industrial and building products. Air purification generally adopts adsorption technology, anion technique, catalytic technology, photocatalyst technique, HEPA high efficiency filtration technique and electrostatic precipitation technique etc. among the air purifier of current, and the material generally chooses for use photocatalyst, active carbon, synthetic fiber, HEPA high efficiency material and anion generator etc..

Common air purifier adopts compound structure more, adopts multiple purification technique and material medium simultaneously promptly, leads to air purifier's manufacturing cost height, the loaded down with trivial details equipment of structure inconvenient, and occupation space is big. The air purifier for the desktop has the advantages of miniaturization, simple structure, low manufacturing cost, unsatisfactory air purification effect of the desktop purifier, low purification rate, single function, inconvenience in disassembly and troublesome filter element replacement operation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is unsatisfactory to aim at solving at least "purifying effect that exists among the prior art, and purification rate is low, and the function is single, and it is inconvenient to dismantle, the technical problem of renew cartridge troublesome poeration". Therefore, the utility model provides an air purifier has good filter effect, and it is simple to dismantle, and the filter core is changed conveniently.

According to some embodiments of the present invention, an air purifier includes a purifier housing, an air filter element disposed in the purifier housing; the purifier is characterized in that the top of the purifier shell is connected with an upper cover, an air draft device is arranged below the upper cover, a negative ion generator and a UV lamp are arranged in the purifier shell, the air draft device, the negative ion generator and the UV lamp are respectively and electrically connected with a control assembly, and the control assembly is arranged below the upper cover; the periphery of the purifier shell is provided with a plurality of air inlet holes, and the surface of the upper cover is provided with a plurality of air outlet holes; the bottom of the purifier shell is detachably connected with a bottom cover, and the bottom cover is connected with the bottom of the purifier shell through a buckle structure.

According to some embodiments of the present invention, the upper cover is made of plastic material.

According to the utility model discloses a some embodiments, the bottom includes bottom ring dish and fixed chassis, fixed chassis with buckle and draw-in groove that are provided with the lock that slides each other between the bottom ring dish, fixed chassis periphery is provided with a plurality of the draw-in groove, the interior circumference of bottom ring dish is provided with a plurality of the buckle, the draw-in groove with the position of buckle matches each other, and quantity equals.

According to the utility model discloses a some embodiments, the draw-in groove is followed fixed chassis periphery equidistant distribution, the draw-in groove to fixed chassis is inboard sunken, the buckle is followed bottom ring dish periphery equidistant distribution, the buckle to fixed chassis inboard protrusion, bottom ring dish embedding clarifier casing bottom, through wind fixed chassis rotates, the gomphosis the draw-in groove with the buckle.

According to some embodiments of the utility model, a plurality of spliced poles set up in the clarifier casing, the spliced pole winds the equidistant setting of fixed chassis periphery, spliced pole one end with fixed chassis passes through screwed connection, the other end with the upper cover is connected.

According to some embodiments of the utility model, a mounting bracket of fixed connection in the clarifier casing, the mounting bracket is located the upper cover below, control assembly updraft ventilator with the UV lamp install respectively in on the mounting bracket, the mounting bracket with upper cover fixed connection.

According to some embodiments of the present invention, a cross beam is fixedly connected below the mounting frame, and the UV lamp is fixedly connected to the cross beam; one end of an LED lamp is connected with the cross beam, a mounting groove is formed in the middle of the fixing base plate, the other end of the LED lamp is embedded into the mounting groove and is perpendicular to the fixing base plate, and the fixing base plate extends upwards to the position below the air draft device.

According to some embodiments of the utility model, be provided with shift knob and light button on the mounting bracket, shift knob with light button passes the upper cover, outstanding in the upper cover surface, shift knob with light button respectively with the control assembly electricity is connected.

According to some embodiments of the utility model, be provided with a plurality of callus on the sole ring dish, it is a plurality of the callus on the sole in the equidistant setting of sole ring dish periphery.

According to some embodiments of the utility model, be provided with power supply unit on the fixed chassis, power supply unit with the control assembly electricity is connected, power supply unit includes DC power and/or electricity core.

According to the utility model discloses an air purifier of some embodiments has following beneficial effect at least:

1. the negative ion generator is arranged in the purifier shell, air enters from the air inlet holes at the periphery of the purifier shell, negative ions are carried by particles in the air in the purifier shell, and the particles are trapped in the air filter element, so that the air purification efficiency is improved;

2. the bottom of purifier casing with the bottom passes through buckle structural connection, can demolish fast the bottom is inside air filter changes and cleans, conveniently trades and gets easy operation.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of an air purifier according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of an air purifier according to an embodiment of the present invention;

fig. 3 is a partially exploded schematic view of an air purifier according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

fig. 5 is a partial schematic view of an air purifier according to an embodiment of the present invention;

fig. 6 is a bottom schematic view of the air purifier of the embodiment of the present invention.

Reference numerals:

the air purifier comprises a purifier shell 100, an air inlet 101, an air filter element 200, an anion generator 210, an LED lamp 220, a mounting rack 300, a cross beam 310, a UV lamp 311, a control component 320, an air draft device 330, an upper cover 400, an air outlet 401, a switch button 410, a light button 420, a bottom ring disc 510, a buckle 511, a foot pad 520, a fixed bottom disc 530, a clamping groove 531, a mounting groove 532, a connecting column 540 and a power supply component 550.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, top, bottom, etc., is the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

An air purifier according to an embodiment of the present invention is described below with reference to fig. 1 to 6.

As shown in fig. 1 to 6, the air purifier includes a purifier housing 100, an air filter element 200 is disposed in the purifier housing 100, an upper cover 400 is connected to the top of the purifier housing 100, the upper cover 400 is placed from the bottom of the purifier housing 100, the diameter of the upper cover 400 is larger than the opening diameter of the top of the purifier housing 100, the upper cover 400 is mounted to the top of the purifier housing 100 from the inside of the purifier housing 100, an air exhaust device 330 is disposed below the upper cover 400, an anion generator 210 is further disposed in the purifier housing 100, the anion generator 210 is disposed in the purifier housing 100, the anion generator 210 can generate anions and make air particles flowing through the air filter element 200 carry the anions, and the anions are more easily adsorbed to a filter layer of the air filter element 200, thereby improving the efficiency of air purification. A control assembly 320 is arranged below the upper cover 400, and the control assembly 320 is electrically connected with the air draft device 330, the UV lamp 311 and the anion generator 210, so that the working states of the air draft device 330, the UV lamp 311 and the anion generator 210 are controlled.

In this embodiment, purifier housing 100 is the cylinder type, is provided with a plurality of fresh air inlets 101 at the periphery of purifier housing 100, is provided with a plurality of exhaust vents 401 on upper cover 400 surface, and the surface of upper cover 400 sets to the shape sunken to the middle part, and exhaust vents 401 is circular arc strip, and the center of going around upper cover 400 encircles the setting, and the updraft ventilator 330 of being convenient for is to the external world air supply, promotes filterable flow. Air enters from the air inlet holes 101, passes through the filter element wall of the air filter element 200, and finally flows out from the air outlet holes 401, and the air flow direction of the air draft device 330 is from bottom to top, namely, the air is blown to the upper cover 400 inside the purifier shell 100.

It should be understood that the air outlet 401 is not limited to the only embodiment, and in other embodiments, the air outlet 401 may be in a grid or lattice pattern according to the actual production requirement. The utility model discloses the pattern to exhaust vent 401 is not different a repeated description, should understand, does not deviate from the utility model discloses under the prerequisite of basic concept, exhaust vent 401's the nimble transform of pattern all should be regarded as being in the utility model discloses within the scope of protection injectd.

The bottom of clarifier casing 100 can be dismantled and connect a bottom, the bottom passes through buckle structure to be connected in the bottom of clarifier casing 100, air filter 200 puts into the back from the bottom of clarifier casing 100, can open or close the bottom of clarifier casing 100 fast through bottom buckle structure, when needing to be changed or clearance air filter 200, it is simpler to demolish the step, the person of facilitating the use hands on the change of air filter 200 and updraft ventilator 330's clearance etc., also be convenient for clear up the inside of clarifier casing 100.

In some embodiments of the present invention, specifically, in order to improve the purification efficiency of the air purifier, the effect of the negative ion generator 210 is improved, and the upper cover 400 is made of a plastic material. If the metal material is adopted, the generated negative ions are partially attracted by the upper cover 400 made of the metal material, the generation amount of the negative ions of the negative ion generator 210 can be influenced, particles in the air can not be fully contacted with the negative ions, and when the particles pass through the air filter element 200, the particles can not be well captured by the filter layer of the air filter element 200, and the air filtering effect is reduced as the air passes through the filter layer. The upper cover 400 made of plastic can avoid the consumption of ions generated by the anion generator 210, improve the contact density of the ions and air particles, and make the air particles fully take the ions, when the filter layer is passed, the particles in the air are adsorbed on the filter layer by the principle of electrostatic adsorption, and the electrostatic adsorption can make the air particles more uniformly distributed on the filter layer, so that the particles are not concentrated at a certain position of the filter layer, the service life of the air filter element 200 is shortened, and the anions generated by the anion generator 210 can improve the air quality, and the environment is improved.

In some embodiments of the present invention, as shown in fig. 2-4, specifically, the bottom cover includes a bottom ring plate 510 and a fixed chassis 530, a buckle 511 and a clamping groove 531 are disposed between the fixed chassis 530 and the bottom ring plate 510, the clamping groove 531 is disposed on the periphery of the fixed chassis 530, the buckle 511 is disposed on the periphery of the bottom ring plate 510, the positions of the clamping groove 531 and the buckle 511 are matched with each other, and the number of the clamping grooves is equal, the clamping groove 531 is equally spaced along the periphery of the fixed chassis 530, and the buckle 511 is equally spaced along the periphery of the fixed chassis 530. In this embodiment, three slots 531 are equidistantly formed on the periphery of the fixed chassis 530, three fasteners 511 are equidistantly formed on the periphery of the bottom ring 510, the bottom ring 510 is first fastened to the periphery of the fixed chassis 530 in a staggered manner, and then the bottom ring 510 is rotated to slide the fasteners 511 of the fixed chassis 530 into the slots 531, so that the bottom ring 510 and the fixed chassis 530 are fixed to each other.

It should be understood that three sets of the fasteners 511 and the card slots 531 are not the only embodiments, and in other embodiments, two sets, four sets, five sets, etc. of the fasteners 511 and the card slots 531 may be used to fix the bottom ring 510 and the fixed chassis 530 to each other according to the actual production requirement. The utility model discloses not lasting again to buckle 511 and draw-in groove 531's quantity combination, should understand, not deviating from the utility model discloses under the prerequisite of basic design, the nimble transform of buckle 511 and draw-in groove 531's quantity combination all should be regarded as being in the utility model discloses within the scope of protection injectd.

As shown in fig. 3 and 4, the locking groove 531 is recessed towards the inner side of the fixed chassis 530, the buckle 511 is protruded towards the inner side of the fixed chassis 530, when the bottom ring disc 510 is installed, the bottom ring disc 510 is embedded into the bottom of the purifier housing 100, at this time, the fixed chassis 530 is at the center of the bottom of the purifier housing 100, after the bottom ring disc 510 is embedded, the bottom ring disc 510 is blocked by the base of the air filter element 200, at this time, the buckle 511 of the bottom ring disc 510 just falls into the locking groove 531 of the fixed chassis 530, and then, the bottom ring disc 510 is rotated to drive the buckle 511 to rotate, so that the buckle 511 rotates into the inside of the locking groove 531, thereby fixing the position of the fixed chassis 530. Realize the quick detach fast-assembling of bottom through buckle connection structure, use air purifier for a long time after, in order to guarantee air purification's effect, need regularly change or wash air filter 200 in the air purifier, the mode of connecting through the buckle reduces the utility model discloses air purifier's the dismouting degree of difficulty lets the user can easily take out air filter 200 and wash it or change more convenient, promotes follow-up maintenance and experiences.

It should be understood that the clip 511 is provided to the bottom ring plate 510 and the clip groove 531 is provided to the fixing base plate 530, but in other embodiments, the clip 511 may be provided to the periphery of the fixing base plate 530, the clip groove 531 is provided to the bottom ring plate 510 or both sides of the inner ring and the outer ring of the bottom ring plate 510 are provided with the clip 511, the clip groove 531 is provided on the inner sides of the fixing base plate 530 and the purifier housing 100, and both sides of the bottom ring plate 510 are fixed at the same time, so that the bottom of the air purifier is more firm. The utility model discloses setting up position to buckle 511 and draw-in groove 531 and not remaining again, should understand, not deviating from the utility model discloses under the prerequisite of basic design, the nimble transform in position that sets up of buckle 511 and draw-in groove 531 all should be regarded as being in the utility model discloses within the scope of protection injectd.

In order to fix the position of the fixed chassis 530, as shown in fig. 2, 3 and 5, a plurality of connecting columns 540 are arranged in the purifier housing 100, the connecting columns 540 are arranged around the periphery of the fixed chassis 530 at equal intervals, one end of each connecting column 540 is connected with the fixed chassis 530 through a screw, the other end of each connecting column is connected with the upper cover 400 in a limiting manner, that is, an installation slot is arranged at a position of the upper cover 400 corresponding to the installation of the connecting column 540, and the connecting columns 540 are inserted into the installation slot to complete the fixation. In this embodiment, the number of the connecting columns 540 is four, and the connecting columns 540 are triangular prism-shaped, and are formed by combining a straight plate and a triangular plate, so that the structural stability of the connecting columns 540 is ensured, the weight of the connecting columns 540 is reduced, the weight of the air purifier is reduced, and the portability is improved.

It should be understood that the connecting column 540 is not limited to the triangular column structure, and in other embodiments, a cylindrical structure, a rectangular parallelepiped structure, an elliptic cylinder structure, etc. may be used as the shape of the connecting column 540. The utility model discloses the structural shape to spliced pole 540 is not repeated one by one, should understand, does not deviate from the utility model discloses under the prerequisite of basic concept, the structural shape of spliced pole 540 is nimble to be changeed, all should regard as and is in the utility model discloses within the scope of protection of injecing.

In some embodiments of the present invention, as shown in fig. 2, 3 and 5, specifically, a mounting frame 300 is further fixedly connected inside the purifier housing 100, the mounting frame 300 is located below the upper cover 400, the control assembly 320, the air exhaust device 330 and the UV lamp 311 are respectively mounted on the mounting frame 300, and the mounting frame 300 is fixedly connected to the upper cover 400. The UV lamp 311 is fixedly connected to the cross beam 310, in this embodiment, one end of an LED lamp 220 is connected to the cross beam 310, a mounting groove 532 is disposed in the middle of the fixing chassis 530, the other end of the LED lamp 220 is embedded into the mounting groove 532, and the fixing chassis 530 is perpendicular to the fixing chassis and extends upward to the lower side of the air draft device 330. Specifically, the mounting bracket 300 and the upper cover 400 are fixed by screws, and after the upper cover 400 and the mounting bracket 300 are installed in the purifier housing 100, the air filter element 200 is placed in the purifier housing 100, and the positions of the upper cover 400 and the mounting bracket 300 in the purifier housing 100 are fixed by the top of the air filter element 200. The air extracting device 330 is fixed with the upper cover 400 through screws, the bottom of the air extracting device 330 is supported by the mounting frame 300, so that the position of the air extracting device 330 is relatively fixed, the negative ion emitting point of the negative ion generator 210 is arranged above the fixed chassis 530, and generated negative ions are adsorbed with air entering the purifier shell 100, so that the air quality is improved.

As shown in fig. 3 and 5, a cross beam 310 is further fixedly connected below the mounting frame 300, a UV lamp 311 is fixedly connected to the cross beam 310, the UV lamp 311 is arranged towards the direction of the fixed chassis 530, the UV lamp 311 is electrically connected with the control component 320, and by arranging the UV lamp 311, the air purifier can sterilize the filtered air while purifying the air, so that microorganisms in the air can be killed, and the filtering quality is improved.

In other embodiments, an air quality sensor can be added to be electrically connected with the control component 320, the air quality sensor is electrically connected with the UV lamp 311, the control component 320 can set the UV lamp 311 to be turned on or off according to the quality detected by the air quality sensor, and a user can intuitively know the current air quality.

In order to manually control the operation state of the air purifier, as shown in fig. 2 and 3, a switch button 410 and a light button 420 are provided on the mounting bracket 300, the switch button 410 and the light button 420 penetrate through the upper cover 400 and protrude from the surface of the upper cover 400, and the switch button 410 and the light button 420 are electrically connected to the control unit 320, respectively. The user controls air purifier's state through pressing the button that corresponds, presses shift knob 410 and can switch opening or closing of air purifier, presses light button 420 and can switch the operating condition of UV lamp 311 or LED lamp 220, and in this embodiment, shift knob 410 and light button 420 adopt the auto-lock reset switch, and when the switch was in the operating condition, the key position of button can descend, and the user just can know air purifier's current operating condition through the mode of blind operation.

It should be understood that the button is not limited to the only embodiment, and in other embodiments, a capacitive touch switch, a mechanical switch, or the like may be used as the switch button 410 and the light button 420. The utility model discloses structure kind to the button is not different one and is repeated, should understand, does not deviate from the utility model discloses under the prerequisite of basic concept, the structure kind of button is nimble to be changeed, all should be regarded as being in the utility model discloses within the scope of protection injectd.

The utility model discloses an in some embodiments, as shown in fig. 6, specifically, be provided with a plurality of callus on the sole 520 on the ring dish 510 to callus on the sole 520 is at equidistant setting of ring dish 510 periphery, and callus on the sole 520 has anti-skidding effect, can let air purifier at the steady setting of different coefficient of friction on the surface, avoids leading to air purifier to slide because of the material difference on surface.

Still be provided with power supply unit 550 on fixed chassis 530, power supply unit 550 is connected with control assembly 320 electricity, for updraft ventilator 330, negative ion generator 210 etc. need the power drive's part to supply energy, and power supply unit 550 includes DC power supply and/or electric core, and in this embodiment, power supply unit 550 adopts the DC power supply to supply energy directly to air purifier. In other some embodiments, can also adopt electric power storage electricity core to supply energy for air purifier, after pulling out the power cord, air purifier still can work a period, conveniently carries. The utility model discloses the structure to power supply unit 550 is not different a be repeated, should understand, does not deviate from the utility model discloses under the prerequisite of basic concept, power supply unit 550's the nimble transform of structure all should be regarded as being in the utility model discloses within the scope of protection of injecing.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An air purifier comprising a purifier housing (100), wherein an air filter element (200) is arranged in the purifier housing (100); it is characterized in that the top of the purifier housing (100) An upper cover (400) is connected, an air extraction device (330) is arranged below the upper cover (400), and a negative ion generator (210) and a UV lamp (311) are arranged in the purifier housing (100), so The air extraction device (330), the negative ion generator (210) and the UV lamp (311) are respectively electrically connected with a control assembly (320), and the control assembly (320) is arranged on the upper cover (400) below;

A plurality of air inlet holes (101) are arranged on the periphery of the purifier housing (100), and a plurality of air outlet holes (401) are arranged on the surface of the upper cover (400);

A bottom cover is detachably connected to the bottom of the purifier housing (100), and the bottom cover is connected to the bottom of the purifier housing (100) through a snap-fit structure.

2. The air purifier according to claim 1, wherein the upper cover (400) is made of plastic material.

3. The air purifier according to claim 2, wherein the bottom cover comprises a bottom ring plate (510) and a fixed chassis (530), the fixed chassis (530) and the bottom ring plate (510) A buckle (511) and a slot (531) that slide and buckle each other are arranged between ), a plurality of the slots (531) are arranged on the periphery of the fixed chassis (530), and the bottom ring plate (510) is The inner circumferential edge is provided with a plurality of said buckles (511), the positions of said clamping grooves (531) and said buckles (511) are matched with each other, and the numbers are equal.

4 . The air purifier according to claim 3 , wherein the card slots ( 531 ) are distributed at equal intervals along the periphery of the fixed chassis ( 530 ), and the card slots ( 531 ) are directed toward the fixed chassis ( 530 ). 5 . 530) The inner side is recessed, the buckles (511) are distributed at equal intervals along the periphery of the bottom ring plate (510), the buckles (511) protrude toward the inner side of the fixed chassis (530), and the bottom ring plate (510) (510) is embedded in the bottom of the purifier housing (100), and by rotating around the fixed chassis (530), the slot (531) and the buckle (511) are fitted.

5. The air purifier according to claim 4, wherein a plurality of connecting columns (540) are arranged in the purifier housing (100), and the connecting columns (540) surround the fixed chassis (530). ) are arranged at equal intervals around the periphery, one end of the connecting column (540) is connected with the fixing chassis (530) by screws, and the other end is connected with the upper cover (400).

6. The air purifier according to claim 5, characterized in that, a mounting bracket (300) is fixedly connected in the purifier housing (100), and the mounting bracket (300) is located on the upper cover (400). ), the control assembly (320), the ventilation device (330) and the UV lamp (311) are respectively mounted on the mounting bracket (300), the mounting bracket (300) and the upper cover (400) Fixed connection.

7. The air purifier according to claim 6, characterized in that a beam (310) is fixedly connected below the mounting bracket (300), and the UV lamp (311) is fixedly connected to the beam (310) superior;

One end of an LED lamp (220) is connected to the beam (310), an installation groove (532) is provided in the middle of the fixed chassis (530), and the other end of the LED lamp (220) is embedded in the installation groove (532). ), and is perpendicular to the fixed chassis (530) and extends upward to below the air extraction device (330).

8. The air purifier according to claim 7, wherein a switch button (410) and a light button (420) are provided on the mounting frame (300), and the switch button (410) and the light The button (420) passes through the upper cover (400) and protrudes from the surface of the upper cover (400). The switch button (410) and the light button (420) are electrically connected to the control assembly (320) respectively. connect.

9. The air purifier according to any one of claims 3-8, characterized in that, a plurality of foot pads (520) are provided on the bottom ring plate (510), and a plurality of the foot pads (520) are arranged on each of the foot pads (520). The periphery of the bottom ring disk (510) is arranged at equal intervals.

10. The air purifier according to claim 9, wherein a power supply assembly (550) is provided on the fixed chassis (530), and the power supply assembly (550) is electrically connected to the control assembly (320) , the power supply assembly (550) includes a DC power supply and/or a battery cell.