CLEANING DEVICE

Description

CROSS-REFERENCE TO RELATED APPLICATIONS

The application claims priority to Chinese patent application No. 2024222179200, filed on Sep. 10, 2024, the entire contents of which are incorporated herein by reference.

TECHNICAL FIELD

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

BACKGROUND

Vacuum cleaners in the market generally comprise a vacuum cleaner main body and a base station, one fan is arranged in the vacuum cleaner main body, which provides a sucking force to suck dust in environment when the vacuum cleaner is used, and the other fan is arranged in the base station, when the vacuum cleaner is not used, the vacuum cleaner main body is placed on the base station, and the fan in the base station provides a sucking force to suck dust and sundries in the vacuum cleaner main body into the base station, thus realizing the self-cleaning of the vacuum cleaner.

By adopting this design method, on one hand, the design of two fans will lead to higher production cost and larger power consumption of the vacuum cleaner; and on the other hand, compared with a dust bag on the base station, the fan arranged in the base station is used to exhaust air, and the efficiency of exhausting air is lower than that of blowing air. Therefore, in order to achieve the purpose of self-cleaning, the power of the fan in the base station is higher, and when exhausting air, if an air path is blocked, the efficiency will be lower, resulting in higher overall power consumption of the vacuum cleaner.

SUMMARY

In order to overcome at least one defect of the prior art above, the present application provides a cleaning device to solve the problems of high production cost and high power consumption of existing vacuum cleaner.

According to the technical solution used in the present application to solve the problems, an embodiment of the present application discloses a cleaning device, which comprises a cleaning device main body and a base station, wherein the cleaning device main body comprises a body assembly, a fan assembly and a dust cup assembly, and the base station comprises a dust bag assembly;

• • wherein, when the cleaning device is in a first state, the cleaning device main body is separated from the base station, and the fan assembly and the dust cup assembly form a dust suction duct; and
  • when the cleaning device is in a second state, the cleaning device main body is placed on the base station, and the fan assembly, the dust cup assembly and the dust bag assembly form a dust collection duct.

As an optional implementation, in the embodiment of the present application, the body assembly is provided with a first air duct and a dust-suction outlet, the fan assembly is provided with a first air inlet, a second air duct and a first air outlet, the dust cup assembly is provided with a third air duct, and the first air duct, the third air duct, the first air inlet, the second air duct and the first air outlet form the dust suction duct.

As an optional implementation, in the embodiment of the present application, the body assembly is provided with a dust-blowing inlet, the fan assembly is further provided with a second air inlet, a fourth air duct and a second air outlet, the dust cup assembly is provided with a fifth air duct, and the dust-blowing inlet, the second air inlet, the fourth air duct, the second air outlet, the fifth air duct and the dust bag assembly form the dust collection duct.

As an optional implementation, in the embodiment of the present application, the cleaning device main body further comprises an air axis assembly, and the air axis assembly comprises a first air opening, a second air opening, a third air opening and a fourth air opening;

• • when the cleaning device is in the first state, the first air opening and the second air opening are opened, the third air opening and the fourth air opening are closed, the air outlet of the fan assembly is communicated with the first air opening, and the second air opening is communicated with the dust cup assembly; and
  • when the cleaning device is in the second state, the first air opening and the second air opening are closed, the third air opening and the fourth air opening are opened, the air outlet of the fan assembly is communicated with the third air opening, and the fourth air opening is communicated with the dust cup assembly.

As an optional implementation, in the embodiment of the present application, the fan assembly is rotatably arranged on the body assembly, when the cleaning device is in the first state, the air outlet of the fan assembly rotates until the fan assembly and the dust cup assembly form the dust suction duct, and when the cleaning device is in the second state, the air outlet of the fan assembly rotates, and the air outlet of the fan assembly rotates until the fan assembly, the dust cup assembly and the dust bag assembly form the dust collection duct.

As an optional implementation, in the embodiment of the present application, the cleaning device main body further comprises a driving assembly, the base station is provided with a trigger part, when the cleaning device is in the first state, the trigger part is separated from the driving assembly, and the fan assembly rotates under an action of the driving assembly to form the dust collection duct with the dust cup assembly, and when the cleaning device is in the second state, the trigger part drives the driving assembly, and the fan assembly rotates under the action of the driving assembly to form the dust collection duct with the dust cup assembly and the dust bag assembly.

As an optional implementation, in the embodiment of the present application, the driving assembly is a transmission assembly, the transmission assembly is connected to the fan assembly, when the cleaning device is in the first state, the trigger part is separated from the driving assembly, and the transmission assembly resets and drives the fan assembly to move, and when the cleaning device is in the second state, the trigger part pushes the transmission assembly, and the transmission assembly drives the fan assembly to move.

As an optional implementation, in the embodiment of the present application, the trigger part is a bulge, the fan assembly is rotatably arranged in the body assembly, the transmission assembly comprises a first transmission part arranged on the dust cup assembly, a second transmission part arranged on the body assembly and a third transmission part, the trigger part pushes the first transmission part, and the first transmission part, the second transmission part, the third transmission part and the fan assembly rotate sequentially to drive the fan assembly to rotate.

As an optional implementation, in the embodiment of the present application, the first transmission part is a push rod, the second transmission part is a lifting rack, the third transmission part is a gear, the fan assembly is provided with meshing teeth, the rack is located in a moving direction of the push rod, the rack is meshed with the gear, and the gear is meshed with the meshing teeth of the fan assembly.

As an optional implementation, in the embodiment of the present application, the gear comprises a first gear, a second gear, a third gear and a fourth gear which are sequentially meshed, the first gear is meshed with the rack, and the fourth gear is meshed with the meshing teeth of the fan assembly.

As an optional implementation, in the embodiment of the present application, the cleaning device main body further comprises a gear box, the gear box is arranged in the body assembly, the rack is arranged in the gear box in a lifted manner, and the gear is rotatably arranged in the gear box.

As an optional implementation, in the embodiment of the present application, the rack is provided with a first guide post, the first guide post is provided with a guide groove, a second guide post is arranged in the gear box, and the second guide post and the guide groove are matched and connected.

As an optional implementation, in the embodiment of the present application, the fan assembly comprises a motor cover and a motor, the motor cover is rotatably connected to the body assembly, the motor is arranged in the motor cover, and the motor cover is provided with the meshing teeth.

As an optional implementation, in the embodiment of the present application, the driving assembly further comprises a first reset spring with one end connected to the dust cup assembly and the other end connected to the first transmission part, when the cleaning device is in the second state, the first transmission part compresses the first reset spring, and when the cleaning device is in the first state, the first reset spring resets and drives the first transmission part to reset.

As an optional implementation, in the embodiment of the present application, the driving assembly further comprises a second reset spring, the second transmission part is provided with a first guide post, the second reset spring is sleeved on the first guide post, when the cleaning device is in the second state, the second transmission part compresses the second reset spring, and when the cleaning device is in the first state, the second reset spring resets and drives the second transmission part to reset.

As an optional implementation, in the embodiment of the present application, the driving assembly is a switch module, the switch module is electrically connected to the fan assembly, when the cleaning device is in the first state, the trigger part is separated from the switch module, and the trigger part triggers the switch module to rotate to form the dust suction duct with the dust cup assembly, and when the cleaning device is in the second state, the trigger part triggers the switch module, and the switch module controls the fan assembly to rotate to form the dust collection duct with the dust cup assembly and the dust bag assembly.

As an optional implementation, in the embodiment of the present application, the dust cup assembly is provided with an air vent, the dust-blowing inlet, the second air inlet, the fourth air duct, the second air outlet, the fifth air duct and the dust bag assembly form a first dust collection duct, the dust-blowing inlet, the second air inlet, the fourth air duct, the second air outlet, the air vent and the dust bag assembly form a second dust collection duct, and the first dust collection duct and the second dust collection duct are combined to form the dust collection duct.

As an optional implementation, in the embodiment of the present application, the body assembly is provided with a dust removal opening, and when the cleaning device is in the second state, the base station drives the fan assembly to rotate in the body assembly, the second air inlet is used to communicate with the outside, the second air outlet is respectively communicated with the fifth air duct and the air vent, and the dust removal opening is opened and communicated with the dust bag assembly.

As an optional implementation, in the embodiment of the present application, a connecting support is arranged in the body assembly, one end of the connecting support is connected with the dust cup assembly, the connecting support is provided with a communication cavity having two open ends and an air cavity having two open ends, one end of the air cavity is communicated with the fifth air duct, one end of the communication cavity is communicated with the air vent, and when the cleaning device is in the second state, the other end of the communication cavity and the other end of the air cavity are both communicated with the second air outlet.

As an optional implementation, in the embodiment of the present application, the second air outlet comprises a third air outlet and a fourth air outlet, the third air outlet is communicated with the air cavity, and the fourth air outlet is communicated with the communication cavity.

As an optional implementation, in the embodiment of the present application, the fan assembly comprises a baffle, and the baffle is used for shielding the air cavity when the cleaning device is in the first state.

The implementation of the embodiment of the present application will have the following beneficial effects:

• • according to the present application, the cleaning device comprising the cleaning device main body and the base station is provided, the cleaning device main body comprises the body assembly, the fan assembly and the dust cup assembly, and the base station comprises the dust bag assembly; wherein, when the cleaning device is in the first state, the cleaning device main body is separated from the base station, the fan assembly and the dust cup assembly form the dust suction duct, and the fan assembly generates a negative pressure sucking force in the dust suction duct to suck dust in external environment; and when the cleaning device is in the second state, the cleaning device main body is placed on the base station, the fan assembly, the dust cup assembly and the dust bag assembly form the dust collection duct, and the fan assembly generates a forward blowing force in the dust collection duct to blow dust in the dust cup assembly into the dust bag assembly. By adopting this design method, on one hand, one fan can realize the functions of dust suction and self-cleaning, thus effectively reducing a production cost of a vacuum cleaner; and on the other hand, there is air blowing in an air path during self-cleaning, with a large air force, thus reducing power consumption of the vacuum cleaner.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to illustrate technical solutions in embodiments of the present application or in the prior art more clearly, the drawings which need to be used in describing the embodiments or the prior art will be briefly introduced hereinafter. Apparently, the drawings described hereinafter are only some embodiments of the present application, those of ordinary skills in the art may obtain other drawings according to these drawings without going through any creative work.

FIG. 1 is a schematic structural diagram of a cleaning device in Embodiment 1 of the present application;

FIG. 2 is a sectional view of the cleaning device in Embodiment 1 of the present application in a first state;

FIG. 3 is an enlarged view of a part A in FIG. 2;

FIG. 4 is a sectional view of the cleaning device in Embodiment 1 of the present application in a second state;

FIG. 5 is an enlarged view of a part B in FIG. 4;

FIG. 6 is an exploded view of a part structure of the cleaning device in Embodiment 1 of the present application;

FIG. 7 is a sectional view of a cleaning device in Embodiment 2 of the present application in a second state; and

FIG. 8 is an enlarged view of a part C in FIG. 7.

In the drawings, meanings of reference numerals are as follows:

• • 10 refers to cleaning device main body; 1 refers to body assembly; 11 refers to first air duct; 12 refers to air-suction outlet; 13 refers to dust-blowing inlet; 2 refers to fan assembly; 21 refers to first air inlet; 22 refers to second air duct; 23 refers to first air outlet; 231 refers to third air outlet; 232 refers to fourth air outlet; 24 refers to motor cover; 241 refers to meshing teeth; 25 refers to motor; 26 refers to baffle; 3 refers to dust cup assembly; 31 refers to third air duct; 32 refers to air vent; 33 refers to filter element; 34 refers to filter element support; 41 refers to first transmission part; 42 refers to second transmission part; 421 refers to first guide post; 43 refers to third transmission part; 431 refers to first gear; 432 refers to second gear; 433 refers to third gear; 434 refers to fourth gear; 44 refers to first reset spring; 45 refers to second reset spring; 5 refers to gear box; 51 refers to second guide post; 6 refers to connecting support; 61 refers to communication cavity; 62 refers to air cavity; 63 refers to mounting seat; 7 refers to dust removal opening; 8 refers to air suction opening; 9 refers to sealing plate; 20 refers to base station; 201 refers to dust bag assembly; 202 refers to trigger part; and 203 refers to machine body.

DETAILED DESCRIPTION OF THE EMBODIMENTS

For better understanding and implementation, technical solutions in embodiments of the present application will be clearly and completely described hereinafter with reference to the drawings in the embodiments of the present application.

In the description of the present application, it should be noted that the orientation or position relationship indicated by the terms “up”, “down”, “front”, “rear”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, and the like is based on the orientation or position relationship shown in the drawings, it is only for the convenience of description of the present application and simplification of the description, and it is not to indicate or imply that the indicated device or element must have a specific orientation, and be constructed and operated in a specific orientation. Therefore, the terms should not be understood as limiting the present application.

Unless otherwise defined, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the technical field of the present application. The terms used in the specification of the present application herein are only for the purpose of describing the specific embodiments, and are not intended to limit the present application.

Embodiment 1

With reference to FIG. 1 to FIG. 5, the embodiment of the present application discloses a cleaning device, the cleaning device of this solution comprises a cleaning device main body 10 and a base station 20, the cleaning device main body 10 comprises a body assembly 1, a fan assembly 2 and a dust cup assembly 3, and the base station 20 comprises a dust bag assembly 201; wherein, when the cleaning device is in a first state, the cleaning device main body 10 is separated from the base station 20, external environment, the fan assembly 2 and the dust cup assembly 3 form a dust suction duct, and the fan assembly 2 generates a negative pressure sucking force in the dust suction duct to suck dust in the external environment; and when the cleaning device is in a second state, the cleaning device main body 10 is placed on the base station 20, the external environment, the fan assembly 2, the dust cup assembly 3 and the dust bag assembly 201 form a dust collection duct, and the fan assembly 2 generates a forward blowing force in the dust collection duct to blow dust in the dust cup assembly 3 into the dust bag assembly 201. By adopting this design method, on one hand, one fan can realize the functions of dust suction and self-cleaning, thus effectively reducing a production cost of a vacuum cleaner; and on the other hand, there is air blowing in an air path during self-cleaning, with a large air force, thus reducing power consumption of the vacuum cleaner.

In some embodiments, in order to form the air suction duct, the body assembly 1 is provided with a first air duct 11 and a dust-suction outlet 12, the fan assembly 2 is provided with a first air inlet 21, a second air duct 22 and a first air outlet 23, the dust cup assembly 3 is provided with a third air duct 31, and external environment, the first air duct 11, the third air duct 31, the first air inlet 21, the second air duct 22 and the first air outlet 23 form the dust suction duct.

In order to form the air collection duct, the body assembly 1 is provided with a dust-blowing inlet 13, the fan assembly 2 is further provided with a second air inlet, a fourth air duct and a second air outlet, the dust cup assembly 3 is provided with a fifth air duct, and the external environment, the dust-blowing inlet 13, the second air inlet, the fourth air duct, the second air outlet, the fifth air duct and the dust bag assembly 201 form the dust collection duct.

In this embodiment, the first air inlet 21 and the second air inlet on the fan assembly 2 are the same air inlet, the second air duct 22 and the fourth air duct on the fan assembly 2 are the same air duct, the first air outlet 23 and the second air outlet on the fan assembly 2 are the same air outlet, and the third air duct 31 and the fifth air duct on the dust cup assembly 3 are the same air duct. By adopting this design method, the structure is simple. It can be understood that, in other embodiments, the air inlet, the air outlet and the air duct above may be respectively set separately, which will not be limited herein.

In order to enable the fan assembly 2 to switch an air outlet direction to meet air suction requirements of the dust suction duct and the dust collection duct, as an optional implementation, the cleaning device main body 10 further comprises an air axis assembly (not shown in the drawings), and the air axis assembly comprises a first air opening, a second air opening, a third air opening and a fourth air opening; when the cleaning device is in the first state, the first air opening and the second air opening are opened, the third air opening and the fourth air opening are closed, the air outlet of the fan assembly 2 is communicated with the first air opening, and the second air opening is communicated with the dust cup assembly 3; and when the cleaning device is in the second state, the first air opening and the second air opening are closed, the third air opening and the fourth air opening are opened, the air outlet of the fan assembly 2 is communicated with the third air opening, and the fourth air opening is communicated with the dust cup assembly 3. By adopting this design method, the air outlet direction of the fan assembly 2 is adjusted by the air axis assembly, so that the structure is simple.

As another optional implementation, the fan assembly 2 is rotatably arranged on the body assembly 1, when the cleaning device is in the first state, the air outlet of the fan assembly 2 rotates until the external environment, the fan assembly 2 and the dust cup assembly 3 form the dust suction duct, and when the cleaning device is in the second state, the air outlet of the fan assembly 2 rotates, and the air outlet of the fan assembly 2 rotates until the fan assembly 2, the dust cup assembly 3 and the dust bag assembly 201 form the dust collection duct. It can be understood that, in other embodiments, the design method of slidably arranging the fan assembly 2 on the body assembly 1 may also be adopted, which will not be limited herein.

This embodiment takes the example that the fan assembly 2 is rotatably arranged on the body assembly 1.

In some embodiments, in order to drive the fan assembly 2 to rotate relative to the body assembly 1, the cleaning device main body 10 further comprises a driving assembly, the base station 20 is provided with a trigger part 202, when the cleaning device is in the first state, the trigger part 202 is separated from the driving assembly, and the fan assembly 2 rotates under an action of the driving assembly to form the dust collection duct with the external environment and the dust cup assembly 3, and when the cleaning device is in the second state, the trigger part 202 drives the driving assembly, and the fan assembly 2 rotates under the action of the driving assembly until the external environment, the fan assembly 2, the dust cup assembly 3 and the dust bag assembly 201 form the dust collection duct.

With reference to FIG. 2 to FIG. 6, as an optional implementation, the driving assembly is a transmission assembly, the transmission assembly is connected to the fan assembly 2, when the cleaning device is in the first state, the trigger part 202 is separated from the driving assembly, and the transmission assembly resets and drives the fan assembly 2 to move, and when the cleaning device is in the second state, the trigger part 202 pushes the transmission assembly, and the transmission assembly drives the fan assembly 2 to move.

Further, the trigger part 202 is a bulge, the fan assembly 2 is rotatably arranged in the body assembly 1, the transmission assembly comprises a first transmission part 41 arranged on the dust cup assembly 3, a second transmission part 42 arranged on the body assembly 1 and a third transmission part 43, the trigger part 202 pushes the first transmission part 41, and the first transmission part 41, the second transmission part 42, the third transmission part 43 and the fan assembly 2 rotate sequentially to drive the fan assembly 2 to rotate. By adopting the design method of multi-stage transmission, a stable transmission ratio and a high load capacity are realized.

Specifically, the first transmission part 41 is a push rod, the second transmission part 42 is a lifting rack, the third transmission part 43 is a gear, the fan assembly 2 is provided with meshing teeth 241, the rack is located in a moving direction of the push rod, the rack is meshed with the gear, and the gear is meshed with the meshing teeth 241 of the fan assembly 2. Under an action of the bulge, the push rod moves and pushes the rack to move, the rack drives the gear to rotate, and the gear drives the fan assembly to rotate, thus realizing the rotation of the fan assembly 2.

Preferably, the gear comprises a first gear 431, a second gear 432, a third gear 433 and a fourth gear 434 which are sequentially meshed, the first gear 431 is meshed with the rack, and the fourth gear 434 is meshed with the meshing teeth 241 of the fan assembly 2. By adopting this design method, a stable transmission ratio and a high load capacity are realized.

In some embodiments, according to the above, the second transmission part 42 and the third transmission part 43 are arranged on the body assembly 1, and the second transmission part 42 is the rack and the third transmission part 43 is the gear. In order to realize the mounting of the rack and the gear on the body assembly 1, the cleaning device main body 10 further comprises a gear box 5, the gear box 5 is arranged in the body assembly 1, the rack is arranged in the gear box 5 in a lifted manner, and the gear is rotatably arranged in the gear box 5.

Further, the rack is provided with a first guide post 421, the first guide post 421 is provided with a guide groove, a second guide post 51 is arranged in the gear box 5, and the second guide post 51 and the guide groove are matched and connected. By the matching between the second guide post 51 and the guide groove, the rack may be lifted in the gear box 5 in a preset direction.

In some embodiments, the fan assembly 2 comprises a motor cover 24 and a motor 25, the motor cover 24 is rotatably connected to the body assembly 1, the motor 25 is arranged in the motor cover 24, and the motor cover 24 is provided with the meshing teeth 241.

In some embodiments, in order to make the first transmission part 41 reset after the driving assembly is separated from the trigger part 202, the driving assembly further comprises a first reset spring 44 with one end connected to the dust cup assembly 3 and the other end connected to the first transmission part 41, when the cleaning device is in the second state, the first transmission part 41 compresses the first reset spring 44, and when the cleaning device is in the first state, the first reset spring 44 resets and drives the first transmission part 41 to reset.

Similarly, in order to make the second transmission part 42, the third transmission part 43 and the fan assembly 2 reset after the driving assembly is separated from the trigger part 202, the driving assembly further comprises a second reset spring 45, the second transmission part 42 is provided with a first guide post 421, the second reset spring 45 is sleeved on the first guide post 421, when the cleaning device is in the second state, the second transmission part 42 compresses the second reset spring 45, and when the cleaning device is in the first state, the second reset spring 45 resets and drives the second transmission part 42 to reset, and the second transmission part 42 drives the third transmission part 43 and the fan assembly 2 to reset.

It can be understood that, in other embodiments, the second transmission part 42 may also be connected with the first transmission part 41, the first reset spring 44 drives the first transmission part 41 to reset, and the first transmission part 41 drives the second transmission part 42, the third transmission part 43 and the fan assembly 2 to reset, which will not be limited herein.

As another optional implementation, the driving assembly may also be a switch module (not shown in the drawings), the switch module is electrically connected to the fan assembly 2, when the cleaning device is in the first state, the trigger part 202 is separated from the switch module, and the trigger part 202 triggers the switch module to rotate to form the dust suction duct with the external environment and the dust cup assembly 3, and when the cleaning device is in the second state, the trigger part 202 triggers the switch module, and the switch module controls the fan assembly 2 to rotate to form the dust collection duct with the external environment, the dust cup assembly 3 and the dust bag assembly 201.

According the cleaning device provided by the present application, the cleaning device comprising the cleaning device main body 10 and the base station 20 is provided, the cleaning device main body 10 comprises the body assembly 1, the fan assembly 2 and the dust cup assembly 3, and the base station 20 comprises the dust bag assembly 201; wherein, when the cleaning device is in the first state, the cleaning device main body 10 is separated from the base station 20, the external environment, the fan assembly 2 and the dust cup assembly 3 form the dust suction duct, and the fan assembly 2 generates a negative pressure sucking force in the dust suction duct to suck dust in the external environment; and when the cleaning device is in the second state, the cleaning device main body 10 is placed on the base station 20, the external environment, the fan assembly 2, the dust cup assembly 3 and the dust bag assembly 201 form the dust collection duct, and the fan assembly 2 generates a forward blowing force in the dust collection duct to blow dust in the dust cup assembly 3 into the dust bag assembly 201. By adopting this design method, on one hand, one fan can realize the functions of dust suction and self-cleaning, thus effectively reducing a production cost of a vacuum cleaner; and on the other hand, there is air blowing in an air path during self-cleaning, with a large air force, thus reducing power consumption of the vacuum cleaner.

Embodiment 2

This embodiment of the present application is different from Embodiment 1 in that: the dust collection duct is formed by combining a first dust collection duct and a second dust collection duct, the first dust collection duct removes dust outside the dust cup assembly 3, and the second dust collection duct removes dust inside the dust cup assembly 3, thus simultaneously removing dust inside and outside the dust cup assembly 3.

With reference to FIG. 7 to FIG. 8, the dust cup assembly 3 is provided with an air vent 32, the air vent 32 is communicated with the fifth air duct, the dust-blowing inlet 13, the second air inlet, the fourth air duct, the second air outlet, the fifth air duct and the dust bag assembly 201 form the first dust collection duct, the dust-blowing inlet 13, the second air inlet, the fourth air duct, the second air outlet, the air vent 32 and the dust bag assembly 201 form the second dust collection duct, and the first dust collection duct and the second dust collection duct are combined to form the dust collection duct. The dust outside the dust cup assembly 3 is removed through the first dust collection duct, and the dust inside of the dust cup assembly 3 is removed through the second dust collection duct.

Further, the body assembly 1 is provided with a dust removal opening 7, when the cleaning device is in the first state, the base station 20 is detached from the body assembly 1, the second air inlet is communicated with the air vent 32, the second air outlet is used to communicate with the outside, and the dust removal opening 7 is closed; and when the cleaning device is in the second state, the base station 20 is connected with the body assembly 1, the base station 20 drives the fan assembly 2 to rotate, the second air inlet is used to communicate with the outside, the second air outlet is communicated with the fifth air duct and the air vent 32, and the dust removal opening 7 is opened and communicated with the base station 20, so that dust contaminated on the dust cup assembly 3 is blown down into the base station 20 and collected, thus avoiding environmental pollution.

The dust cup assembly 3 comprises a filter element 33 and a filter element support 34, the filter element support 34 is arranged in the body assembly 1, the filter element 33 is arranged in the filter element support 34, there is a gap between the filter element 33 and the filter element support 34, which is the fifth air duct, and the air vent 32 is located on the filter element 33.

A connecting support 6 and a mounting seat 63 are arranged in the body assembly 1, one end of the connecting support 6 is connected with the mounting seat 63, the other end of the connecting support 6 is connected with the filter element support 34, and the connecting support 6 is provided with a communication cavity 61 having two open ends and an air cavity 62 having two open ends, wherein, a lower end of the communication cavity 61 is communicated with the air vent 32, a lower end of the air cavity 62 is communicated with the fifth air duct, and a lower end of the body assembly 1 is provided with a dust suction opening 8. When the cleaning device is in the first state, an upper end of the communication cavity 61 is communicated with the second air inlet, and gas enters through the dust suction opening 8, and then flows out through the dust cup assembly 3, the communication cavity 61 and the dust-suction outlet 12 in sequence, thus realizing the circulation of the gas, and an upper end of the air cavity 62 is shielded, thus avoiding dust from being directly discharged without the dust cup assembly 3. When the cleaning device is in the second state, the upper end of the communication cavity 61 and the upper end of the air cavity 62 are both communicated with the second air outlet, the gas enters through the dust-blowing inlet 13, and then flows out through the second air inlet, the communication cavity 61, the interior of the dust cup assembly 3, the fifth air duct and the dust removal opening 7 in sequence, and meanwhile, the gas drives dust on the dust cup assembly 3 to move, the dust contaminated inside and outside the dust cup assembly 3 falls down at the same time, and falls into the dust bag assembly 201 through the dust removal opening 7, so that self-duct collection is realize, thus avoiding environmental pollution, and there is less dust on the dust cup assembly 3 at the same time, thus avoiding affecting the performance of the cleaning device.

The second air outlet comprises a third air outlet 231 and a fourth air outlet 232, the third air outlet 231 is communicated with the air cavity 62, and the fourth air outlet 232 is communicated with the communication cavity 61.

The base station 20 further comprises a machine body 203, the machine body 203 is detachably connected with the body assembly 1, and the trigger part 202 and the dust bag assembly 201 are both connected with the machine body 203.

The dust bag assembly 201 is communicated with the dust removal opening 7, and a sealing plate 9 is rotatably arranged at the dust removal opening 7. When the cleaning device is in the first state, the sealing plate 9 seals the dust removal opening 7, and when the cleaning device is in the second state, the sealing plate 9 rotates, so that the dust removal opening 7 is communicated with the dust bag assembly 201.

The technical means disclosed in the solution of the present application are not limited to the technical means disclosed in the above embodiments, but also comprise the technical solutions composed of any combinations of the above technical features. It should be pointed out that those of ordinary skills in the art may further make several improvements and decorations without departing from the principle of the present application, and these improvements and decorations should also be regarded as falling within the scope of protection of the present application.