CN212368875U - Dust collector air duct structure and dust collector - Google Patents

Abstract

The utility model relates to a dust catcher wind channel structure and dust catcher belongs to domestic appliance technical field for solve current dust catcher and lead the not good problem of dirt effect. The utility model discloses a dust catcher wind channel structure, including wind-guiding portion, dust cup, motor element and the portion of airing exhaust, dirty gas gets into the dust cup by wind-guiding portion, filters the dust removal in the dust cup, and the dust catcher is derived by the portion of airing exhaust to the gas after the filtration under motor element's suction effect. The dust collector is provided with the air guide part, so that the dust-containing gas can be guided into the dust collecting cup as soon as possible under the guiding action of the air guide part, and the dust removing effect of the dust collector is improved; the first air flow channel of the air guide part is a nonlinear channel which is inclined downwards, so that dust particles with larger particles can be prevented from being deposited in the air guide part; the area of the first inlet is smaller than that of the first inlet, so that the dust-containing gas is guided into the dust collecting cup as soon as possible, and the dust removal efficiency of the dust collector is improved.

Description

Dust collector air duct structure and dust collector

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to a dust catcher wind channel structure and dust catcher.

Background

In the existing dust collector, dust-containing airflow directly enters the dust collecting cup from the air inlet at the bottom, an air inlet channel is not arranged between the air inlet and the dust collecting cup, and the dust guiding effect is poor, so that the dust removing effect of the dust collector is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above analysis, an embodiment of the present invention provides an air duct structure of a vacuum cleaner and a vacuum cleaner, so as to solve the problem of poor dust guiding effect of the existing vacuum cleaner.

On the one hand, the utility model provides a dust catcher wind channel structure, including wind-guiding portion, dust cup, motor element and the portion of airing exhaust, dirty gas gets into the dust cup by wind-guiding portion, filters the dust removal in the dust cup, and the gas after the filtration is derived the dust catcher by the portion of airing exhaust under motor element's suction effect.

Furthermore, the air guide part is provided with a first air flow channel for air flow to pass through, and the first air flow channel is communicated with the dust collecting cup;

the first air flow channel is provided with a first inlet and a first outlet, the position of the first inlet is higher than that of the first outlet, and the area of the first inlet is smaller than that of the first outlet.

Further, the first air flow channel is a nonlinear channel inclined downwards.

Further, the bottom wall surface of the first air flow passage includes a first inclined surface and a second inclined surface, and the second inclined surface is located below the first inclined surface.

Further, the inclination angle of the first inclined plane is smaller than that of the second inclined plane.

Further, the bottom wall surface of the first air flow channel is a downward-inclined streamline curved surface or a downward-inclined arc-shaped surface.

Further, a dust detection assembly is arranged in the first air flow channel.

Further, the dust cup comprises a dust cup body and a filter assembly;

a dust collecting cavity is arranged in the dust collecting cup body, and the dust collecting cup body is provided with a fluid inlet and a fluid outlet which are communicated with the dust collecting cavity;

the filter assembly is positioned in the dust collection cavity and covered on the fluid outlet.

Further, the shape of the filter assembly is cylindrical;

the bottom plate of the dust collection cup body is positioned below the fluid inlet, the bottom plate and the top plate of the dust collection cup body are flat plates parallel to the horizontal plane, and the rear plate of the dust collection cup body is an arc-shaped plate which is connected with the bottom plate and the top plate in a tangent mode.

Further, the air exhaust part comprises a side air exhaust part and a lower air exhaust part, and air exhausted from the motor assembly flows through the side air exhaust part and the lower air exhaust part to be led out of the dust collector.

On the other hand, the utility model provides a dust collector, including foretell dust collector wind channel structure and casing, dust collector wind channel structure is located the casing.

Furthermore, the dust collector comprises a rolling brush component and a sterilization component, the sterilization component is positioned behind the rolling brush component, the dust cup and the motor component are positioned behind the sterilization component, and the filtering component of the dust cup and the motor component are coaxially and transversely arranged in the shell.

Compared with the prior art, the utility model discloses can realize one of following beneficial effect at least:

(1) by arranging the air guide part, the dust-containing gas is quickly guided into the dust collecting cup under the guiding action of the air guide part, so that the dust removing effect of the dust collector is improved;

(2) the first air flow channel of the air guide part is a nonlinear channel which is inclined downwards, so that dust particles with larger particles can be prevented from being deposited in the air guide part; the area of the first inlet is smaller than that of the first inlet, so that the dust-containing gas is quickly led into the dust collecting cup, and the dust removal efficiency of the dust collector is improved;

(3) the rear plate of the dust collecting cup body is an arc-shaped plate, and the arc-shaped plate and the filtering component are coaxially arranged, so that the dust-containing fluid is rotationally and radially guided into the filtering component, and the dust removal effect of the dust collector is improved;

(4) the side exhaust part and the lower exhaust part are arranged, so that air flow exhausted from the motor assembly is led out of the dust collector from two directions, the air exhaust area of the air flow is increased, and noise caused by air flow overstocking is greatly reduced;

(5) the second air flow channel is a nonlinear channel so as to greatly reduce the impact force or flow velocity of the air flow towards the side air outlet and play a role in reducing the noise of the air flow; a mesh noise reduction plate is arranged at a second inlet of the second airflow channel, so that the noise reduction effect of the dust collector is further improved;

(6) the air inlet, the sterilization port and the lower air outlet are sequentially arranged on the bottom end face of the dust collector shell from front to back, the cleaning face is firstly flapped, dedusted and dehaired by the rolling brush assembly at the air inlet, then the sterilization assembly at the sterilization port is used for removing mites and sterilizing, and finally the high-temperature air flow at the lower air outlet is used for blowing to perform high-temperature disinfection, so that the cleaning face is cleaned step by step in three different levels.

The utility model discloses in, can also make up each other between the above-mentioned each technical scheme to realize more preferred combination scheme. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.

FIG. 1 is a block diagram of a vacuum cleaner according to an embodiment;

FIG. 2 is a second view showing the construction of the vacuum cleaner in the embodiment;

FIG. 3 is a partial cross-sectional view of the vacuum cleaner in an exemplary embodiment;

FIG. 4 is a partial cross-sectional view of the vacuum cleaner in an exemplary embodiment (second) (arrows in the figure indicate the direction of airflow);

FIG. 5 is a partial cross-sectional view of the vacuum cleaner in an exemplary embodiment (III);

FIG. 6 is a partial cross-sectional view of the vacuum cleaner in an exemplary embodiment (IV);

FIG. 7 is a partial cross-sectional view of the vacuum cleaner in an exemplary embodiment (V);

FIG. 8 is a partial cross-sectional view of the vacuum cleaner in an exemplary embodiment (VI);

FIG. 9 is a partial cross-sectional view of the vacuum cleaner in an exemplary embodiment (seventy); .

Reference numerals:

1-a wind guide part; 11-a first inclined plane; 12-a second inclined surface; 2-a dust collecting cup; 201-a fluid inlet; 21-a filter assembly; 22-a dust collection chamber; 3-a motor assembly; 31-a suction motor; 311-air outlet; 32-motor cover; 321-a first air outlet; 322-a second air outlet; 4-side exhaust part; 401-side air outlet; 41-mesh noise reduction plate; 42-intermediate baffle plate; 5-lower exhaust part; 501-lower air outlet; 6-a rolling brush component; 601-air inlet; 602-a communication port; 61-rolling brush; 62-rolling brush cover; 7-a sterilization component; 701-a sterilization port; 71-germicidal tube; 72-Reflector.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of the invention, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection, which may be a mechanical connection, an electrical connection, which may be a direct connection, or an indirect connection via an intermediate medium. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The terms "top," "bottom," "above … …," "below," and "on … …" as used throughout the description are relative positions with respect to components of the device, such as the relative positions of the top and bottom substrates inside the device. It will be appreciated that the devices are multifunctional, regardless of their orientation in space.

The utility model discloses usual working face can be plane or curved surface, can incline, also can the level. For convenience of explanation, the embodiments of the present invention are placed on a horizontal plane and used on the horizontal plane, and thus "high and low" and "up and down" are defined.

Example one

The embodiment provides an air duct structure of a dust collector, which is arranged in the dust collector as shown in figures 1-9, and dust-containing air entering the dust collector is filtered and dedusted in the air duct structure and then discharged out of the dust collector. The dust collector air duct structure comprises an air guide part 1, a dust collecting cup 2, a motor component 3 and an air exhaust part, dust-containing gas enters the dust collecting cup 2 from the air guide part 1, dust is filtered and removed in the dust collecting cup 2, and the filtered gas is led out of the dust collector from the air exhaust part under the suction action of the motor component 3.

Compared with the prior art, the dust collector air duct of the embodiment leads the dust-containing gas to be guided into the dust collecting cup 2 as soon as possible under the guiding action of the air guiding part 1 by arranging the air guiding part 1, so as to improve the dust removing effect of the dust collector.

The air guide part 1 is provided with a first air flow channel for air flow to pass through, the first air flow channel is communicated with the dust cup 2, and the air guide part 1 is hermetically connected with the dust cup 2, so that dust-containing air entering the dust collector enters the dust cup 2 under the guide effect of the air guide part 1.

The first air flow channel is provided with a first inlet and a first outlet, dust-containing gas entering the dust collector enters the air guide part 1 through the first inlet, and the dust-containing gas entering the air guide part 1 is led out of the air guide part 1 through the first outlet. The position of the first inlet is higher than that of the first outlet, so that dust particles with larger particles can be prevented from being deposited in the air guide part 1, and the dust particles with larger particles enter the dust collecting cup 2 from the air guide part 1 under the action of gravity and the thrust of airflow. In order to direct the airflow into the dust cup 2 as quickly as possible, the area of the first inlet is smaller than the area of the first outlet.

Specifically, the first air flow channel is a non-linear channel inclined downwards, and the first air flow channel is a divergent channel from the first inlet to the first outlet. In order to increase the gravitational potential energy of the dust particles falling into the air guiding portion 1, the top of the first inlet extends horizontally to the top of the first outlet, the bottom of the first inlet is higher than the bottom of the first outlet, i.e. the top wall of the first air flow channel is parallel to the horizontal plane, and the bottom wall of the first air flow channel is inclined downwards.

In this embodiment, the top wall surface of the first air flow channel is a plane parallel to the horizontal plane, the two side wall surfaces of the first air flow channel are planes perpendicular to the top wall, and the bottom wall surface of the first air flow channel is a downward inclined surface, specifically, the bottom wall surface of the first air flow channel includes a first inclined surface 11 and a second inclined surface 12, the second inclined surface 12 is located below the first inclined surface 11 and is connected with the lower end of the first inclined surface 11, that is, the bottom of the first inlet extends to the bottom of the first outlet through the first inclined surface 11 and the second inclined surface 12 in sequence.

Furthermore, the inclination angle of the first inclined surface 11 is smaller than that of the second inclined surface 12, so as to ensure that dust particles falling on the bottom of the air guiding part 1 can fall into the dust collecting cup 2.

It should be noted that the bottom wall surface of the first air flow channel may also be a streamline curved surface which is always inclined downward or an arc-shaped surface which is always inclined downward.

In order to detect the content of dust particles in the air flow, a dust detection assembly is arranged in the first air flow channel, specifically, the dust detection assembly comprises a light emitting end and a light receiving end, the light emitting end and the light receiving end are oppositely arranged on the side wall of the first air flow channel, the light receiving end can receive light rays emitted by the light emitting end, the light intensity emitted by the light emitting end and the light intensity received by the light receiving end are tested, the data such as the content and the grade of the dust particles in the air flow between the light emitting end and the light receiving end can be judged through calculation, the working frequency of the motor assembly is controlled by the dust collector according to the data, the dust collector realizes variable frequency control dust removal, and the dust collector removes dust more reasonably and saves energy.

The dust cup 2 comprises a dust cup body and a filter assembly 21, a dust collecting cavity 22 is formed in the dust cup body, the dust collecting cavity 22 is used for storing dust, the dust cup body is provided with a fluid inlet 201 and a fluid outlet which are communicated with the dust collecting cavity 22, the filter assembly 21 is positioned in the dust collecting cavity 22 and covers the fluid outlet, dust-containing airflow entering the dust cup 2 is discharged through the fluid outlet after being filtered and dedusted by the filter assembly 21, and the dust is stored in the dust cup body.

The fluid inlet 201 of the dust cup 2 is positioned to correspond to the first outlet, and the shape and size of the fluid inlet 201 are the same as those of the first outlet, so that the dust-containing gas and the large dust particles can enter the dust cup body rapidly and unimpededly. In this embodiment, the fluid inlet 201 is formed on the front plate of the dust cup, the rear end of the air guiding part 1 is hermetically connected to the outer side of the front plate of the dust cup, and the first outlet is communicated with the fluid inlet 201.

The fluid outlet is arranged on the right plate of the dust collecting cup body, the filter component 21 is detachably arranged on the inner side of the right plate of the dust collecting cup body, and the sealing cover is arranged on the fluid outlet, so that the dust-containing gas entering the dust collecting cavity 22 is guided out from the fluid outlet after being filtered and dedusted by the filter component 21.

The shape of the filtering component 21 is cylindrical, specifically, the filtering component 21 includes a filtering net cover and a filtering hypa, the filtering hypa is located in the filtering net cover, the filtering net cover is cylindrical, one end of the cylinder is closed, the other end of the cylinder is provided with a filtering outlet for air to flow through, the cylinder wall is provided with meshes, air enters the filtering component through the meshes, the filtering outlet is hermetically connected with the fluid outlet, and the shape and size of the filtering outlet are the same as those of the fluid outlet. The filter handkerchief is stuck on the inner side of the side wall of the filter screen cover and can cover all meshes.

The bottom plate of collection dirt cup is located the below of fluid inlet 201, and the bottom plate of collection dirt cup and roof are the flat board parallel with the horizontal plane, and the back plate of collection dirt cup is the arc of being connected with bottom plate, roof are tangent, and the arc sets up with filter assembly 21 is coaxial, and the radius of arc is greater than filter assembly 21's radius, and the direction through bottom plate, the back plate of collection dirt cup makes the rotatory radial leading-in filter assembly 21 of air current, improves the dust removal effect of dust catcher.

In this embodiment, the bottom, top and back plates of the dirt cup are spaced the same distance from the filter assembly 21, and the filter assembly 21 is centrally located within the dirt collection chamber 22 to better direct air to the filter assembly 21.

After entering the dust cup 2 from the fluid inlet 201, the dust-containing gas is guided backward by the bottom plate and the back plate (arc plate), so that the dust-containing gas radially enters the filter assembly 21 for filtering and dust removing, and the dust-removed gas is guided out of the dust cup from the filter outlet of the filter assembly 21 and the fluid outlet of the dust cup along the axial direction and finally flows to the motor assembly 3.

The motor assembly 3 is positioned at the right side of the dust cup 2, and the fluid outlet is communicated with the air collecting port of the motor assembly 3, so that the air flowing out of the dust cup 2 flows to the motor assembly 3.

It should be noted that the air duct structure of the dust collector is located in the casing of the dust collector, that is, the air guiding portion 1, the dust cup 2, the motor assembly 3 and the air exhaust portion are located in the casing of the dust collector, the motor assembly 3 is transversely installed in the casing from left to right, that is, the air flow circulates from the left end to the right end of the motor assembly 3, and the air collecting port of the motor assembly 3 is located at the left end of the motor assembly.

The exhaust part comprises a side exhaust part 4 and a lower exhaust part 5, the side exhaust part 4 is positioned on the right side of the motor component 3, the lower exhaust part 5 is positioned below the motor component 3, and exhaust gas from the motor component 3 flows through the side exhaust part 4 and the lower exhaust part 5 to be led out of the dust collector. By arranging the side air exhaust part 4 and the lower air exhaust part 5, the air flow exhausted from the motor component 3 is led out of the dust collector from two directions, the air exhaust area of the air flow is increased, and the noise caused by the overstocked air flow is greatly reduced.

A side air outlet 401 of the side air exhaust part 4 is arranged on the side wall of the shell, and the side air outlet 401 is positioned on the right side of the motor component 3; the lower air outlet 501 of the lower air outlet part 5 is arranged on the bottom end surface of the casing, and the lower air outlet 501 is positioned below the motor component 3.

The motor assembly 3 comprises an air suction motor 31 and a motor cover 32, the motor cover 32 is provided with a cavity for installing the air suction motor 31, the motor cover 32 is provided with an air outlet communicated with an air side exhaust part 4 and an air side exhaust part 5, the air outlet is respectively a first air outlet 321 and a second air outlet 322, the first air outlet 321 is communicated with the air side exhaust part 4, the second air outlet 322 is communicated with the air side exhaust part 5, namely, the air discharged from the air suction motor 31 flows through the first air outlet 321 on the motor cover 32, the second air outlet 322 flows to the air side exhaust part 4 and the air side exhaust part 5.

The suction motor 31 has two or more air outlets 311, and the air flow discharged from the air outlets 311 is guided to the side air discharge part 4 and the lower air discharge part 5 by the first air outlet 321 and the second air outlet 322. In this embodiment, the air suction motor 31 has three air outlets 311, which are distributed in an equilateral triangle at the tail of the air suction motor 31, and the center of the equilateral triangle is located on the axis of the air suction motor 31, so that the air flow is uniformly discharged from the tail of the air suction motor 31.

In order to guide the airflow discharged by the suction motor to the side exhaust part 4 and the lower exhaust part 5 as fast as possible, the second air outlet 322 is formed on the side wall of the motor cover 32, and further, the second air outlet 322 is arranged opposite to the at least one air outlet 311 of the suction motor 31, so that a part of the airflow discharged by the suction motor is directly guided to the lower exhaust part 5 through the second air outlet 322; the first air outlet 321 is located on the right end surface of the motor cover 32, and further, the right end of the motor cover 32 is completely open, i.e., the opening is the first air outlet 321, so that the remaining part of the air flow discharged by the suction motor (excluding the air flow discharged by the second air outlet 322) is directly guided to the side air exhaust part 4 by the first air outlet 321.

The side air exhaust part 4 is located in the casing and on the right side of the motor assembly 3, the side air exhaust part 4 is provided with a second air flow channel, the second air flow channel is provided with a second inlet and a second outlet, the second inlet is communicated with the first air outlet 321, and the second outlet is a side air outlet 401 arranged on the side wall of the casing.

In order to further improve the noise reduction effect of the dust collector, the second inlet is provided with a mesh noise reduction plate 41, and the airflow guided out from the first air outlet 321 enters the second airflow channel through the meshes on the mesh noise reduction plate 41 and is guided out of the dust collector through the side air outlet 401.

In order to further improve the noise reduction effect of the side exhaust part 4, the second airflow channel is a non-linear channel, specifically, the second airflow channel is a bent channel, so as to greatly reduce the impact or flow velocity of the airflow towards the side exhaust outlet 401, and play a role in reducing the airflow noise.

In this embodiment, the middle baffle 42 is disposed between the mesh noise reduction plate 41 and the side air outlet 401, the straight-line channel is transformed into a bending channel, that is, the straight-line channel is disposed on the side wall of the enclosure where the mesh noise reduction plate 41 and the side air outlet 401 are located, the middle baffle 42 is disposed in the straight-line channel to form a second air flow channel, the middle baffle 42 is connected to a side wall surface of the straight-line channel, a gap for air flow circulation is reserved between the middle baffle 42 and an opposite side wall surface (that is, the side wall surface opposite to the side wall surface connected to the middle baffle 42), and the middle baffle 42 is parallel to the side wall of the enclosure where the mesh noise reduction plate 41 and the side air outlet. In order to further improve the noise reduction effect of the second airflow channel, the middle baffle 42 projects towards the mesh noise reduction plate 41, so as to completely cover all meshes on the mesh noise reduction plate 41, and the airflow introduced from the mesh noise reduction plate 41 is guided by the middle baffle 42 and then is guided out by the side air outlet 401.

It should be noted that, in the present embodiment, the projection of the middle baffle 42 to the direction of the side air outlet 401 can also completely cover the side air outlet 401, so that the middle baffle 42 can achieve better flow guiding and noise reducing effects.

The side air outlet 401 includes a plurality of strip-shaped air outlets, and the strip-shaped air outlets are parallel to the bottom plate of the housing, so that the air flow can be discharged from the first air flow passage more smoothly and rapidly.

The lower exhaust part 5 is located in the casing and below the motor component 3, the lower exhaust part 4 is provided with a third air flow channel, the third air flow channel is provided with a third inlet and a third outlet, the third inlet is communicated with the second air outlet 322, and the third outlet is a lower exhaust opening 501 arranged on the bottom plate of the casing.

Because the second air outlet 322 corresponds to the at least one air outlet 311, the air flowing out of the at least one air outlet 311 of the suction motor directly enters the third air flow channel through the second air outlet 322, and then the air flow is guided out of the housing through the lower air outlet 501 and blown to the surface of the object to be cleaned.

The air flow from the lower air outlet 501 is the high-temperature air flow discharged from the air suction motor 31, and the high-temperature air flow is guided out through the lower air outlet 501 and then blown to the surface to be cleaned to perform high-temperature disinfection on the surface to be cleaned, so that the cleaning effect of the dust collector is improved.

In this embodiment, the lower air outlet 501 includes a plurality of through holes, and the plurality of through holes are arranged in a row.

Example two

The embodiment provides a dust collector, as shown in fig. 1 to 9, which includes the dust collector air duct structure and a casing according to the first embodiment, and the dust collector air duct structure is located in the casing.

The dust collector also comprises a rolling brush component 6 and a sterilization component 7, the sterilization component 7 is positioned behind the rolling brush component 6, the dust collecting cup 2 and the motor component 3 are positioned behind the sterilization component 7, and the filtering component 21 and the motor component 3 are coaxially and transversely arranged in the machine shell.

An air inlet 601 and a sterilization port 701 are formed in the bottom plate of the housing, the air inlet 601 is located in front of the sterilization port 701, and the sterilization port 601 is located in front of the lower exhaust port 501. The air inlet 601 is in sealed communication with the first air flow passage of the air guiding portion 1, so that all the dust-containing air entering the dust collector from the air inlet 601 enters the first air flow passage.

The rolling brush assembly 6 is located right above the air inlet 601, specifically, the rolling brush assembly 6 includes a rolling brush 61, a rolling brush cover 62 and a driving motor, the rolling brush cover 62 is hermetically covered on the air inlet 601, the rolling brush 61 is located between the rolling brush cover 62 and the air inlet 601, and the driving motor is connected with the rolling brush 61 and is used for driving the rolling brush 61 to rotate.

The rolling brush cover 62 is provided with a communication port 602, the communication port 602 is located at the top of the rolling brush cover 62, and the communication port 602 is in sealed communication with the first inlet of the first air flow passage, so that all the dust-containing fluid entering from the air inlet 601 is guided to the first air flow passage from the communication port 602.

The rolling brush 61 adsorbs scattered hair on the surface to be cleaned in the rolling process so as to prevent the hair from blocking the communicating port and further blocking the whole air duct, and the dust removal effect of the dust collector is influenced. Through setting up sealed round brush cover 62 can prevent effectively that the dust from getting into except that the assembly space in the outer casing of wind channel structure, influence the course of work of other parts, avoid the dust to form static, collection dirt in the casing, and then damage the part in the casing.

The sterilizing component 7 is located right above the sterilizing opening 701, specifically, the sterilizing component 7 includes a sterilizing lamp tube 71 (for example, a UV lamp tube) and a reflecting shade 72, the reflecting shade 72 is hermetically covered on the sterilizing opening 701, the sterilizing lamp tube 71 is located between the sterilizing opening 701 and the reflecting shade 72, and a part of light emitted by the sterilizing lamp tube 71 can still be emitted from the sterilizing opening 701 after passing through the reflecting shade 72, so that the sterilizing effect of the sterilizing component 7 is enhanced.

The air current that follow lower air outlet 501 exhaust is the high temperature air current of coming out from motor element 3 directly, and this high temperature air current blows to on the cleaning surface after being cleaned, disinfected by round brush subassembly 6, the subassembly 7 that disinfects after lower air outlet 501 discharges, further carries out high temperature disinfection to this cleaning surface, and then improves 7 cleaner's clean effect.

The air inlet 601, the sterilization port 701 and the lower air outlet 501 are sequentially arranged on the end face of the bottom of the shell from front to back, the face to be cleaned is firstly flapped, dedusted and dehaired by the rolling brush assembly 6 at the air inlet 601, then the sterilization assembly 7 at the sterilization port 701 is used for mite removal and sterilization, and finally high-temperature air flow at the lower air outlet 501 is used for blowing for high-temperature sterilization, so that the face to be cleaned is cleaned in three different levels and progressively cleaned step by step.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims (12)

1. The air duct structure of the dust collector is characterized by comprising an air guide part (1), a dust collecting cup (2), a motor component (3) and an air exhaust part, wherein dust-containing gas enters the dust collecting cup (2) from the air guide part (1), the dust collecting cup (2) is used for filtering and removing dust, and the filtered gas is led out of the dust collector from the air exhaust part under the suction action of the motor component (3).

2. The air duct structure of the dust collector as claimed in claim 1, wherein the air guiding part (1) is provided with a first air flow passage for passing the air flow, and the first air flow passage is communicated with the dust collecting cup (2);

the first air flow channel is provided with a first inlet and a first outlet, the position of the first inlet is higher than that of the first outlet, and the area of the first inlet is smaller than that of the first outlet.

3. The vacuum cleaner duct structure according to claim 2, wherein the first air flow passage is a non-linear passage inclined downward.

4. The vacuum cleaner duct structure according to claim 3, wherein the bottom wall surface of the first air flow path includes a first inclined surface (11) and a second inclined surface (12), the second inclined surface (12) being located below the first inclined surface (11).

5. The vacuum cleaner duct structure according to claim 4, wherein the inclination angle of the first inclined surface (11) is smaller than the inclination angle of the second inclined surface (12).

6. The vacuum cleaner duct structure according to claim 3, wherein the bottom wall surface of the first air flow passage is a downward-inclined streamline curved surface or a downward-inclined arc surface.

7. The vacuum cleaner duct structure according to claim 2, wherein a dust detection assembly is provided in the first air flow passage.

8. The vacuum cleaner ducting configuration of claim 1, wherein the dirt cup (2) comprises a dirt cup body and a filter assembly (21);

a dust collecting cavity (22) is arranged in the dust collecting cup body, and a fluid inlet (201) and a fluid outlet which are communicated with the dust collecting cavity (22) are formed in the dust collecting cup body;

the filter assembly (21) is located in the dust collection chamber (22) and covers the fluid outlet.

9. The vacuum cleaner ducting structure of claim 8, wherein the filter assembly (21) is cylindrical in shape;

the bottom plate of the dust collection cup body is positioned below the fluid inlet (201), the bottom plate and the top plate of the dust collection cup body are flat plates parallel to the horizontal plane, and the rear plate of the dust collection cup body is an arc-shaped plate which is connected with the bottom plate and the top plate in a tangent mode.

10. The air duct structure of the dust collector as claimed in any one of claims 1 to 9, wherein the exhaust part comprises a side exhaust part (4) and a lower exhaust part (5), and the air exhausted from the motor assembly (3) flows through the side exhaust part (4) and the lower exhaust part (5) and is guided out of the dust collector.

11. A vacuum cleaner comprising a duct structure according to any one of claims 1 to 10 and a housing, the duct structure being located within the housing.

12. The vacuum cleaner as claimed in claim 11, further comprising a rolling brush assembly (6) and a sterilization assembly (7), wherein the sterilization assembly (7) is located behind the rolling brush assembly (6), the dust cup (2) and the motor assembly (3) are located behind the sterilization assembly (7), and the filter assembly (21) of the dust cup (2) and the motor assembly (3) are coaxially and transversely arranged in the machine shell.

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