CN221060557U

CN221060557U - Cyclone separating apparatus and cleaning apparatus

Info

Publication number: CN221060557U
Application number: CN202322913647.0U
Authority: CN
Inventors: 请求不公布姓名; 周小峰; 倪兵兵; 叶力荣
Original assignee: Shenzhen Silver Star Intelligent Group Co Ltd
Current assignee: Shenzhen Silver Star Intelligent Group Co Ltd
Priority date: 2023-10-27
Filing date: 2023-10-27
Publication date: 2024-06-04
Anticipated expiration: 2033-10-27

Abstract

The application discloses a cyclone separation device and a cleaning device, wherein the cyclone separation device comprises a dust cup and a cyclone separator; the dust cup is provided with a cyclone cavity and an air inlet communicated with the cyclone cavity, the cyclone separator comprises a cyclone assembly and an air guide assembly, the air guide assembly is wound on the outer wall of the cyclone assembly, the cyclone assembly is arranged in the cyclone cavity, the air guide assembly surrounds the inner wall of the cyclone cavity and the outer wall of the cyclone assembly to form an air guide channel, and the air inlet is communicated with the air guide channel, so that wind flowing in through the air inlet forms a cyclone under the guiding action of the air guide channel. According to the technical scheme, the wind guide channel plays a role in guiding wind in the cyclone cavity, so that the flow loss of airflow is reduced, the formation of cyclone is facilitated, and the dust and air separation efficiency is improved.

Description

Cyclone separating apparatus and cleaning apparatus

Technical Field

The application relates to the technical field of cleaning equipment, in particular to a cyclone separation device and a cleaning device.

Background

Along with the continuous improvement of the living standard of people, a cleaning device with a suction function is more and more widely popularized, the cleaning device sucks dust, paper scraps and other garbage on a working surface through the suction device to clean the dust, the suction device generates air negative pressure in the cleaning device, external air is sucked into a cyclone cavity of a dust cup, after dust and wind are separated, the air is discharged, and the dust is stored in the cyclone cavity.

The air entering the cyclone cavity from the air inlet generally contains more dust, paper scraps and other garbage, and the dust and the air are generally separated by the cyclone separation device, namely, the dust and the air are separated by the cyclone separation device, the air is discharged by the cyclone separation device, and the dust is stored in the cyclone cavity.

In the prior art, the dust inlet is not provided with a guide structure, and wind entering from the dust inlet can directly enter the filter cover of the cyclone assembly, so that the flow loss of airflow is caused, cyclone is not formed in the cyclone cavity, the cyclone efficiency is reduced, the dust and air separation efficiency is directly influenced, and the dust collection efficiency of the dust cup is further influenced.

Disclosure of utility model

The application mainly aims to provide a cyclone separation device, which aims to guide wind in a cyclone cavity through the action of a wind guide channel, reduce the flow loss of airflow and facilitate the formation of cyclone, thereby improving the efficiency of separating dust from air.

In order to achieve the above object, the present application provides a cyclone separation device, which includes a dust cup and a cyclone separator; wherein,

The dust cup is provided with a cyclone cavity and an air inlet communicated with the cyclone cavity;

The cyclone separator comprises a cyclone assembly and an air guide assembly, and the air guide assembly is wound on the outer wall of the cyclone assembly;

The cyclone component is arranged in the cyclone cavity, the air guide component surrounds the inner wall of the cyclone cavity and the outer wall of the cyclone component to form an air guide channel, and the air inlet is communicated with the air guide channel, so that wind flowing in through the air inlet forms cyclone under the guiding action of the air guide channel.

In some embodiments of the present application, the air guiding assembly includes a first air guiding plate extending along an axial direction of the cyclone assembly and being inclined to an outer wall of the cyclone assembly, wherein one side of the first air guiding plate abuts against a periphery of the air inlet, and the other side of the first air guiding plate is connected to the outer wall of the cyclone assembly to form a first air guiding surface guiding the air guiding channel at the air inlet.

In some embodiments of the present application, the air guiding assembly further includes a second air guiding plate and an arc-shaped connecting plate, one side of the second air guiding plate is abutted against the inner wall of the cyclone cavity, and the other side of the second air guiding plate is connected with the outer wall of the cyclone assembly, wherein the second air guiding plate extends along the circumferential direction of the cyclone assembly and is perpendicular to the first air guiding plate;

One end of the arc-shaped connecting plate is connected with the first air deflector, and the other end of the arc-shaped connecting plate is connected with the second air deflector so as to form an arc-shaped transitional cambered surface between the first air deflector and the second air deflector.

In some embodiments of the present application, the air guiding assembly further comprises a second air guiding plate and an arc-shaped connecting plate, one side of the second air guiding plate is abutted against the inner wall of the cyclone cavity, and the other side of the second air guiding plate is connected with the outer wall of the cyclone assembly, wherein the second air guiding plate extends downwards in a tilting manner along the peripheral side of the cyclone assembly;

In some embodiments of the present application, the air guiding assembly further includes at least one third air guiding plate, and the at least one third air guiding plate is disposed at intervals from the second air guiding plate along the axial direction of the cyclone assembly and is located in the air guiding channel, so that the air guiding channel is formed into at least two sub-channels at intervals.

In some embodiments of the application, the dust cup further comprises a flip cover, wherein one side of the flip cover is rotatably connected with one side of the air inlet adjacent to the first air deflector so as to cover or open the air inlet.

In some embodiments of the present application, the cyclone assembly is circumferentially provided with a step surface, and the step surface, the inner wall of the cyclone chamber and the outer wall of the cyclone assembly form the air guide channel;

The wind guide assembly further comprises a fourth wind guide plate, one side of the fourth wind guide plate is in butt joint with the inner wall of the cyclone cavity, the other side of the fourth wind guide plate is connected with the outer wall of the cyclone assembly, wherein the fourth wind guide plate extends downwards in an inclined mode along the circumferential direction of the cyclone cavity by the step surface and is connected with one side, close to the arc-shaped connecting plate, of the second wind guide plate, and therefore a fourth wind guide surface with a downward guiding effect on wind is formed.

In some embodiments of the application, the air guide assembly includes a skirt shroud disposed about a perimeter of the cyclone assembly and below the air guide channel.

In some embodiments of the application, the skirt cover comprises an arc section and a cylinder section, wherein the inner peripheral side of the arc section is connected with the peripheral side of the cyclone assembly, the outer peripheral side of the arc section is connected with the cylinder section, and the cylinder section is arranged at intervals with the cyclone assembly so as to form a dust blocking surface on the outer surface of the skirt cover.

The application also provides a cleaning device which comprises a host, a suction device and any one of the cyclone separation devices, wherein the suction device and the cyclone separation device are arranged on the host, the cyclone separation device is provided with an air outlet, and the suction device is opposite to the air outlet.

According to the technical scheme, the cyclone separation device comprises the dust cup and the cyclone separator, wherein the dust cup is provided with the cyclone cavity and the air inlet communicated with the cyclone cavity, the cyclone separator comprises the cyclone assembly and the air guide assembly, the air guide assembly is wound on the outer wall of the cyclone assembly, the cyclone assembly is arranged in the cyclone cavity, the air guide assembly surrounds the inner wall of the cyclone cavity and the outer wall of the cyclone assembly to form an air guide channel, and the air inlet is communicated with the air guide channel, so that wind flowing in through the air inlet forms a cyclone under the guiding action of the air guide channel. The wind with dust, paper dust and other garbage enters the wind guide channel from the wind inlet, the wind guide component winds the outer wall of the cyclone component, so that the wind guide channel guides the wind in the cyclone cavity, flow loss of airflow is reduced, cyclone is facilitated, the wind with garbage is generated in the cyclone cavity under the action of the wind guide channel, and most of garbage can be separated from the wind in the rotating process and falls at the bottom of the cyclone cavity, so that the dust and air separation efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a cleaning apparatus according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of the cleaning device of FIG. 1;

FIG. 3 is a schematic view of the dirt cup of the cleaning apparatus of FIG. 1;

FIG. 4 is a view showing the construction of a cyclone separator of the cleaning apparatus of FIG. 1;

FIG. 5 is another view of the cyclone separator of FIG. 4;

Fig. 6 is another embodiment of the cyclone separator of fig. 4.

Reference numerals illustrate:

Reference numerals	Name of the name	Reference numerals	Name of the name
				100	Cyclone separator	223	Third air deflector
10	Dust cup	224	Fourth air deflector
				11	Cyclone chamber	225	Arc-shaped connecting plate
12	Air inlet	226	Skirt edge cover
				13	Flip cover	2261	Arc section
20	Cyclone separator	2262	Cylinder segment
				21	Cyclone assembly	23	Air outlet
211	Step surface	1000	Cleaning device
				22	Air guide assembly	200	Host machine
221	First air deflector	300	Suction device
				222	Second air deflector

The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the present application, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.

The present utility model proposes a cyclone separating apparatus 100, which is applied to a cleaning apparatus 1000, separates dust and air for the cleaning apparatus 1000, and stores the dust and discharges the air. Referring to fig. 1 to 6 in combination, in an embodiment of the present utility model, a cyclone separating apparatus 100 includes a dust cup 10 and a cyclone 20.

The dirt cup 10 is provided with a cyclone chamber 11 and an air inlet 12 which is communicated with the cyclone chamber 11. It will be appreciated that the cyclonic separating apparatus 100 may generate cyclones within the cyclone chamber 11, and that the inner wall of the cyclone chamber 11 may be cylindrical to facilitate cyclone formation. The cyclone chamber 11 of the dust cup 10 can be used for storing dust, paper scraps and the like, so that the dust cup 10 can be made of transparent materials, a user can clearly observe the situation of garbage accumulation in the cyclone chamber 11, and then the garbage can be cleaned timely, and the dust collection effect is prevented from being influenced by excessive accumulation.

The cyclone separator 20 comprises a cyclone assembly 21 and an air guide assembly 22, wherein the air guide assembly 22 is wound on the outer wall of the cyclone assembly 21. The wind guiding assembly 22 is wound around the outer wall of the cyclone assembly 21 in various manners, in one embodiment, one side of the wind guiding assembly 22 is fixedly connected with the outer wall of the cyclone assembly 21, and in another embodiment, the wind guiding assembly 22 is sleeved on the outer wall of the cyclone assembly 21. It will be appreciated that the air guiding assembly 22 may comprise a plurality of air guiding plates, which may be respectively connected to the outer wall of the cyclone assembly 21, and the plurality of air guiding plates may be integrally formed and disposed at different positions on the outer wall of the cyclone assembly 21.

The cyclone component 21 is installed in the cyclone chamber 11, the wind guide component 22 forms a wind guide channel with the inner wall of the cyclone chamber 11 and the outer wall of the cyclone component 21, and the air inlet 12 is communicated with the wind guide channel, so that wind flowing in through the air inlet 12 forms a cyclone under the guiding action of the wind guide channel.

There are various forms in which the cyclone assembly 21 is mounted to the cyclone chamber 11, and in one arrangement the cyclone chamber 11 has an opening, and the cyclone assembly 21 is provided with a mounting frame which covers the opening, the mounting frame being located on one side of the cyclone chamber 11 to form the inner wall of the cyclone chamber 11. In another arrangement, the dirt cup 10 includes an end cap to which the cyclone assembly 21 is connected.

It will be appreciated that the air guide channels serve to guide airflow along a predetermined path at the outer wall of the cyclone assembly 21, and in particular, the air guide assembly 22 is arranged around the outer wall of the cyclone assembly 21 so that the airflow can flow around the outer wall of the cyclone assembly 21 to form a cyclone which rotates around the cyclone chamber 11.

It should be noted that, the cyclone assembly 21 generally includes a centrifugal cone, and the wind flowing in through the air inlet 12 forms a cyclone under the guiding action of the air guiding channel, and after the dust and wind are separated, the air flows into the centrifugal cone for further dust and wind separation.

According to the technical scheme, the cyclone separation device 100 of the cyclone separation device 100 comprises a dust cup 10 and a cyclone separator 20, wherein the dust cup 10 is provided with a cyclone cavity 11 and an air inlet 12 communicated with the cyclone cavity 11, the cyclone separator 20 comprises a cyclone assembly 21 and an air guide assembly 22, the air guide assembly 22 is wound on the outer wall of the cyclone assembly 21, the cyclone assembly 21 is arranged in the cyclone cavity 11, the air guide assembly 22, the inner wall of the cyclone cavity 11 and the outer wall of the cyclone assembly 21 are surrounded to form an air guide channel, and the air inlet 12 is communicated with the air guide channel, so that air flowing in through the air inlet 12 forms a cyclone under the guiding action of the air guide channel. The arrangement is that the wind with dust, paper scraps and other garbage enters the wind guide channel from the air inlet 12, wherein the wind guide component 22 winds the outer wall of the cyclone component 21, so that the wind guide channel guides the wind in the cyclone cavity 11, the flow loss of the airflow is reduced, the cyclone is facilitated to be formed, the wind with garbage is generated in the cyclone cavity 11 under the action of the wind guide channel, and most of garbage can be separated from the wind in the rotating process and falls at the bottom of the cyclone cavity 11, so that the dust and air separation efficiency is improved.

Considering that the air inlet 12 of the dirt cup 10 is typically provided on the peripheral side of the dirt cup 10, the wind will enter the cyclone chamber 11 directly perpendicular to the outer wall of the cyclone assembly 21, which is detrimental to the formation of a cyclone.

In some examples, as shown in fig. 2 to 5, the air guiding assembly 22 includes a first air guiding plate 221, where the first air guiding plate 221 extends along an axial direction of the cyclone assembly 21 and is disposed obliquely to an outer wall of the cyclone assembly 21, and one side of the first air guiding plate 221 abuts against a periphery of the air inlet 12, and the other side of the first air guiding plate 221 is connected to the outer wall of the cyclone assembly 21 to form a first air guiding surface of an air guiding channel at the air inlet 12.

Specifically, the left side of the first air deflector 221 is abutted against the periphery of the air inlet 12, and the right side of the first air deflector 221 is connected to the outer wall of the cyclone assembly 21, so that the air is guided to flow along the first air deflector surface to the right side to generate a cyclone rotating counterclockwise in the cyclone chamber 11.

Among them, the first air deflector 221 and the outer wall of the cyclone assembly 21 may be fixedly connected by welding, bonding, or the like.

So set up, the wind that gets into the wind-guiding passageway by air intake 12 can get into the wind-guiding passageway from a direction by the effect of first wind-guiding face in, avoided the air current chaotic, avoided the wind to produce the turbulent flow along the opposite direction of wind-guiding passageway, influence the formation of whirlwind to improve dust wind separation efficiency.

In some examples, as shown in fig. 4, the air guiding assembly 22 further includes a second air guiding plate 222 and an arc-shaped connecting plate 225, one side of the second air guiding plate 222 is abutted against the inner wall of the cyclone chamber 11, the other side of the second air guiding plate 222 is connected with the outer wall of the cyclone assembly 21, wherein the second air guiding plate 222 extends along the circumference of the cyclone assembly 21 and is perpendicular to the first air guiding plate 221, one end of the arc-shaped connecting plate 225 is connected with the first air guiding plate 221, and the other end of the arc-shaped connecting plate 225 is connected with the second air guiding plate 222, so that an arc-shaped transitional cambered surface is formed between the first air guiding plate 221 and the second air guiding plate 222.

Specifically, referring to fig. 4, the second air deflector 222 extends along the circumferential direction of the cyclone assembly 21, which means that the second air deflector 222 extends along the horizontal direction, i.e. the upper surface of the second air deflector 222 is parallel to the horizontal plane.

It should be noted that, the transition cambered surface is intended to transition the first air guiding surface and the second air guiding plate 222, and the present utility model is not particularly limited to the radian of the transition cambered surface.

So set up, through the effect of this transition cambered surface, the air current can flow along the radian of transition cambered surface, avoids the wind directly to hit on second aviation baffle 222, reduces the flow loss of air current, then the air current can flow in the horizontal direction along the surface of second aviation baffle 222, promotes the rotation of air inlet to improve whirlwind in efficiency.

In some examples, as shown in fig. 6, the air guiding assembly 22 further includes a second air guiding plate 222 and an arc-shaped connecting plate 225, one side of the second air guiding plate 222 is abutted against the inner wall of the cyclone chamber 11, the other side of the second air guiding plate 222 is connected with the outer wall of the cyclone assembly 21, wherein the second air guiding plate 222 extends obliquely downwards along the circumferential side of the cyclone assembly 21, one end of the arc-shaped connecting plate 225 is connected with the first air guiding plate 221, and the other end of the arc-shaped connecting plate 225 is connected with the second air guiding plate 222, so that an arc-shaped transitional cambered surface is formed between the first air guiding plate 221 and the second air guiding plate 222.

Specifically, referring to fig. 6, the downward inclined extension of the second air deflector 222 along the peripheral side of the cyclone assembly 21 means that the second air deflector 222 extends obliquely downward, i.e. the side of the second air deflector 222 connected with the arc-shaped connection plate 225 is vertically higher than the side of the second air deflector 222 away from the arc-shaped connection plate 225, so that the second air deflector 222 is in a downward spiral shape.

So set up, through the effect of this transition cambered surface, the air current can flow along the radian of transition cambered surface, avoids the wind directly to hit on second aviation baffle 222, reduces the flow loss of air current, then the air current can flow downwards along the surface spiral of second aviation baffle 222, promotes the rotation of air inlet to improve the efficiency at whirlwind.

In some examples, as shown in fig. 6, the air guiding assembly 22 further includes at least one third air guiding plate 223, and the at least one third air guiding plate 223 is disposed at intervals from the second air guiding plate 222 along the axial direction of the cyclone assembly 21 and is located in the air guiding channel, so as to form at least two sub-channels at intervals. The arrangement is aimed at reducing the mutual interference caused by the disturbance of the air flow, so that the wind flows along the wind guide channel under the guiding action of at least one third wind guide plate 223, and the formation of the cyclone is promoted.

In some examples, as shown in fig. 3, the dirt cup 10 further includes a flip cover 13, one side of the flip cover 13 being rotatably connected to a side of the air intake 12 adjacent to the first air deflector 221 to cover or uncover the air intake 12.

It will be appreciated that the flip 13 may be pivoted open to the outside of the dirt cup 10, that the flip 13 may also be pivoted open to the inside of the dirt cup 10, and that the flip 13 may also be electrically driven. It will be appreciated that in one arrangement, the flip 13 is made of a flexible material, and when the cleaning device 1000 is activated, a negative pressure is generated in the cyclone chamber 11, and the negative pressure drives the flip 13 to rotate towards the inside of the dirt cup 10 and is attached to the first air deflector 221.

So set up, when cleaning device 1000 is out of service, flip 13 can close air intake 12 to prevent dust in cyclone chamber 11 from spilling out, and when cleaning device 1000 is in service, flip 13 can open air intake 12 to supply air flow into cyclone chamber 11.

In some examples, as shown in fig. 4 and 5, the cyclone assembly 21 is circumferentially provided with a step surface 211, the step surface 211 surrounds the air guiding assembly 22, the inner wall of the cyclone chamber 11 and the outer wall of the cyclone assembly 21 to form an air guiding channel, the air guiding assembly 22 further comprises a fourth air guiding plate 224, one side of the fourth air guiding plate 224 is abutted against the inner wall of the cyclone chamber 11, the other side of the fourth air guiding plate 224 is connected with the outer wall of the cyclone assembly 21, the fourth air guiding plate 224 extends downwards in a inclined manner along the circumferential side of the cyclone chamber 11 by the step surface 211, and is connected with one side, close to the arc-shaped connecting plate 225, of the second air guiding plate 222 to form a fourth air guiding surface which plays a role in guiding the air downwards.

The step surface 211 may be provided in a plurality of ways, and in one arrangement the cyclone assembly 21 is provided with a protrusion around it, the step surface 211 being formed on the side of the protrusion facing the fourth air deflector 224. In another arrangement, referring to the content of the above-mentioned mounting frame, the step surface 211 may be the mounting frame located on one side of the cyclone chamber 11, i.e. the step surface 211 is part of the inner wall of the cyclone chamber 11.

Specifically, referring to fig. 4, the fourth air deflector 224 forms an included angle a with the horizontal plane, and the angle range of the included angle a is preferably 45 ° or more and 55 ° or less, and the degree of the included angle a is not particularly limited in the present utility model.

So set up, this fourth wind-guiding face can further guide the direction of air current, and under the effect of fourth wind-guiding face, the air current can spiral downwardly moving to further improve the whirlwind can the efficiency of separation to the dirt.

In some examples, as shown in fig. 4 and 5, the air guide assembly 22 includes a skirt cover 226, the skirt cover 226 being provided on a peripheral side of the cyclone assembly 21 and below the air guide passage.

Specifically, referring to FIG. 4, the distance between the skirt cover 226 and the second air deflector 222 is B, where B is greater than or equal to 13mm, which is beneficial to cyclone formation.

By this arrangement, it is possible to reduce that dust which has fallen into the bottom of the cyclone chamber 11 is not lifted again by the influence of the airflow, and the dust-wind separation work of the subsequent cyclone assembly 21 is affected, thereby improving the overall filtering effect of the cleaning apparatus 1000.

In some examples, as shown in fig. 4 and 5, the skirt cover 226 includes a circular arc section 2261 and a cylindrical section 2262, an inner circumferential side of the circular arc section 2261 is connected to a circumferential side of the cyclone assembly 21, an outer circumferential side of the circular arc section 2261 is connected to the cylindrical section 2262, and the cylindrical section 2262 is spaced apart from the cyclone assembly 21 to form a dust blocking surface on an outer surface of the skirt cover 226.

Specifically, referring again to FIGS. 4 and 5, the skirt cover 226 has a length C, B being greater than or equal to 25mm, and referring to FIG. 2, the cylindrical section 2262 has a distance D from the inner wall of the cyclone chamber 11, C being greater than or equal to 15mm, which is advantageous for cyclone formation.

So arranged, it is intended to further facilitate the formation of cyclones while avoiding air flow disturbances affecting the dust at the bottom of the cyclone chamber 11.

The present application further provides a cleaning device 1000, where the cleaning device 1000 includes a main machine 200, a suction device 300, and a cyclone separation device 100, and the specific structure of the cyclone separation device 100 refers to the above embodiments, and since the cleaning device 1000 adopts all the technical solutions of all the embodiments, at least has all the beneficial effects brought by the technical solutions of the embodiments, and will not be described in detail herein. Wherein the suction device 300 and the cyclone separation device 100 are installed on the main machine 200, the cyclone separation device 20 is provided with an air outlet 23, and the suction device 300 is arranged opposite to the air outlet 23.

The foregoing description is only of the optional embodiments of the present application, and is not intended to limit the scope of the application, and all the equivalent structural changes made by the description of the present application and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the application.

Claims

1. A cyclone separation device, characterized in that the cyclone separation device comprises a dust cup and a cyclone separator; wherein,

2. The cyclone separation device as claimed in claim 1, wherein the air guide assembly comprises a first air guide plate extending along an axial direction of the cyclone assembly and being inclined to an outer wall of the cyclone assembly, wherein one side of the first air guide plate abuts against a periphery of the air inlet, and the other side of the first air guide plate is connected to the outer wall of the cyclone assembly to form a first air guide surface guiding the air guide passage at the air inlet.

3. The cyclone separation device as claimed in claim 2, wherein the air guide assembly further comprises a second air guide plate and an arc-shaped connecting plate, one side of the second air guide plate is abutted against the inner wall of the cyclone chamber, the other side of the second air guide plate is connected with the outer wall of the cyclone assembly, and the second air guide plate extends along the circumferential direction of the cyclone assembly and is perpendicular to the first air guide plate;

4. The cyclone separation device as claimed in claim 2, wherein the air guide assembly further comprises a second air guide plate and an arc-shaped connection plate, one side of the second air guide plate is abutted with the inner wall of the cyclone chamber, the other side of the second air guide plate is connected with the outer wall of the cyclone assembly, wherein the second air guide plate extends obliquely downwards along the circumferential side of the cyclone assembly;

5. The cyclone separation device as claimed in claim 3 or 4, wherein the air guide assembly further comprises at least one third air guide plate, which is disposed at a distance from the second air guide plate along the axial direction of the cyclone assembly and is located in the air guide passage, so as to form at least two sub-passages at intervals.

6. The cyclone device of claim 2, wherein the dirt cup further comprises a flip cover, one side of which is rotatably connected to one side of the air inlet adjacent to the first air deflector to close or open the air inlet.

7. The cyclone separation device as claimed in claim 4, wherein the cyclone assembly is circumferentially provided with a step surface, and the step surface forms the air guide channel with the air guide assembly, the inner wall of the cyclone chamber, and the outer wall of the cyclone assembly;

8. The cyclone separation device of claim 1, wherein the air guide assembly comprises a skirt cover provided on a peripheral side of the cyclone assembly and positioned below the air guide passage.

9. The cyclone separation device as claimed in claim 8, wherein the skirt cover comprises an arc section and a cylinder section, an inner circumferential side of the arc section is connected to a circumferential side of the cyclone assembly, an outer circumferential side of the arc section is connected to the cylinder section, and the cylinder section is spaced apart from the cyclone assembly to form a dust blocking surface on an outer surface of the skirt cover.

10. A cleaning device comprising a main machine, a suction device and a cyclone separation device according to any one of claims 1 to 9, wherein the suction device and the cyclone separation device are mounted on the main machine, the cyclone separation device is provided with an air outlet, and the suction device is arranged opposite to the air outlet.