A dust extraction device

Abstract

This utility model discloses a vacuum cleaner device, including a vacuum cleaner and a base station on which the vacuum cleaner is mounted. The vacuum cleaner is installed in a mounting chamber via a vacuum cleaner main unit to achieve mounting on the base station. The vacuum cleaner has a switchable first air duct and a second air duct. The first air duct is used for normal vacuuming, and the second air duct is used as the air source for dust collection at the base station. The base station guides the air generated by the second air duct of the vacuum cleaner to the dust cup of the vacuum cleaner through an internal ventilation channel, and blows the dirt in the dust cup into the dust collection bag below, thereby achieving dust collection for the vacuum cleaner. The above dust collection method has two advantages: firstly, the air blows directly into the dust cup, which can directly blow up the dust adhering to the inner wall of the dust cup, thus making the dust cup cleaner more thoroughly; secondly, since the vacuum cleaner fan is used as the power source for dust collection, the base station does not need to have a fan component, simplifying the structure and reducing the complexity of the control circuit, greatly saving manufacturing costs.

Description

Technical Field

[0001] This utility model belongs to the field of vacuum cleaners, specifically a vacuum cleaning device. Background Technology

[0002] Vacuum cleaners are common cleaning appliances, frequently used in homes and offices. Modern vacuum cleaners are often equipped with a base station that automatically collects dust from the dust cup, forming a complete cleaning system. In existing technology, the automatic dust collection base station uses a suction motor to draw dust from the dust cup into a collection bag. After multiple collections, the dust is processed centrally, making it more convenient for users. However, currently, the base station and vacuum cleaner use two separate fans, resulting in a complex structure and high manufacturing costs, leading to high product prices and hindering widespread sales. Summary of the Invention

[0003] In order to overcome the shortcomings of the existing technology, this utility model provides a dust collection device.

[0004] The technical solution adopted by this utility model to solve its technical problem is:

[0005] A vacuuming device includes a vacuum cleaner and a base station for mounting the vacuum cleaner; a mounting chamber is formed on the top of the base station; a dust collection port is formed on the bottom wall of the mounting chamber, and a dust collection bag is located below the dust collection port; the vacuum cleaner includes a vacuum cleaner main unit, a vacuum hose, and a floor brush; the vacuum cleaner is mounted on the base station by being installed in the mounting chamber via the vacuum cleaner main unit; the vacuum cleaner main unit includes a main body, a fan, and a dust cup; the fan is installed inside the main body, and the main body has an air intake and an air exhaust port corresponding to the fan; the bottom of the dust cup has a dust exhaust port, which is aligned with the dust collection port when the vacuum cleaner main unit is placed in the mounting chamber; the dust exhaust port has a dust exhaust valve that can be triggered and opened by the base station; the main body is located below the air intake port. The system comprises a dust cup docking interface for connecting the dust cup and a suction pipe for inserting the suction pipe; the dust cup includes an air outlet at the top and a first air inlet and a second air inlet on the side wall; under normal conditions, the second air inlet is sealed by a cover mechanism, and the top of the dust cup is fixed to the dust cup docking interface, through which the air outlet communicates with the suction port; the main body of the unit also has a first connecting port and a second connecting port, the first connecting port being located on the side wall of the suction pipe and communicating with the first air inlet of the dust cup. The first air duct is formed by connecting the first air duct to the second air inlet, and then directly connecting the second air inlet to the suction port. The fan generates suction to draw air into the suction pipe, which then passes through the first air inlet and the first air intake into the dust cup, before exiting through the exhaust port, the suction port, and the exhaust port, forming the first air duct. The fan also generates suction to draw air directly through the second air inlet to the suction port and then to the exhaust port, forming the second air duct. The main body of the machine is equipped with an air duct switching mechanism, which allows the first and second air ducts to be selectively connected. Under normal conditions, the air ducts are switched... The switching mechanism maintains the first air duct open; the side wall of the base station's installation chamber is provided with an air inlet and an air outlet corresponding to the exhaust port and the second air inlet, respectively, and a ventilation channel connecting the air inlet and the air outlet is formed inside the base station; after the vacuum cleaner installs the vacuum cleaner host into the installation chamber, the air duct switching mechanism is triggered to open the second air duct, the exhaust port of the main body of the machine is connected to the air inlet, the cover mechanism on the dust cup is triggered to open to connect the second air inlet to the air outlet, and the air discharged from the second air duct enters the dust cup through the ventilation channel.

[0006] The air duct switching mechanism includes a connection port switching mechanism and an installation port switching mechanism. The connection port switching mechanism is arranged inside the suction pipe. The connection port switching mechanism can selectively connect either the first connection port or the second connection port. The connection port switching mechanism is linked with the installation port switching mechanism. When the connection port switching mechanism connects the first connection port, the installation port switching mechanism opens the dust cup interface to connect the dust cup's air outlet to the suction port. When the connection port switching mechanism connects the second connection port, the installation port switching mechanism closes the dust cup interface, blocking the connection between the dust cup's air outlet and the suction port.

[0007] The second connecting port is arranged at the top of the suction pipe. The connecting port switching mechanism includes a sliding sleeve. The sliding sleeve is movably connected inside the suction pipe and has a first slot and a second slot on its side wall corresponding to the first connecting port and the second connecting port. The distance between the first slot and the second slot is smaller than the distance between the first connecting port and the second connecting port.

[0008] A spring is sandwiched between the top of the sliding sleeve and the top of the suction pipe. Under the action of the spring, the sliding sleeve normally maintains a downward posture so that the first slot and the first connecting port remain connected.

[0009] There is a gap between the dust cup interface and the air intake to form an air intake chamber. The mounting port switch mechanism is located in the air intake chamber and includes a linkage arm and a cover plate. The middle part of the linkage arm is hinged in the air intake chamber to achieve flipping movement. One end of the linkage arm is hinged to the top of the sliding sleeve, and the other end is movably connected to the cover plate.

[0010] The cover mechanism includes a flip cover that can be flipped to open or close the second air inlet, a limiting plate that can limit the flip cover to maintain a closed state, and a trigger button that triggers the limiting plate to release the flip cover to open; the side wall of the installation chamber is provided with a protrusion I for pushing the trigger button and a protrusion II located above the air outlet for resetting the flip cover to close.

[0011] The base station has a cavity below the installation room to accommodate dust collection bags, and a ventilation opening is provided at the bottom of the cavity.

[0012] The ventilation opening is located on the side wall of the receiving cavity, and the receiving cavity is directly connected to the outside through the ventilation opening.

[0013] The ventilation opening is located at the bottom of the receiving cavity. The base station also includes a ground base with an air guide channel inside. The ventilation opening is connected to the air guide channel. The top of the ground base is provided with a platform for placing a floor brush. The platform is provided with the end outlet of the air guide channel. The end outlet is sealed and connected to the dust suction channel of the floor brush.

[0014] The bottom of the floor brush is provided with a connector and is sealed with a silicone baffle. The end outlet protrudes from the platform surface and can be inserted into the connector and push open the silicone baffle to connect the air guide channel and the dust suction channel.

[0015] The beneficial effects of this utility model are as follows: The vacuum cleaner of this utility model has a first air duct and a second air duct that can be switched between operation. The first air duct is used for normal vacuuming, and the second air duct is used as the air source for dust collection at the base station. The base station guides the air generated by the second air duct of the vacuum cleaner to the dust cup of the vacuum cleaner through the ventilation channel set inside, and blows the dirt in the dust cup into the dust collection bag below, thereby realizing the dust collection work of the vacuum cleaner. On the one hand, the air blows directly into the dust cup, which can directly blow up the dust adhering to the inner wall of the dust cup, thus making the dust cup cleaner more thoroughly. On the other hand, since the vacuum cleaner fan is used as the power source for dust collection, the base station does not need to set up a fan component, which simplifies the structure and reduces the complexity of the control circuit, greatly saving manufacturing costs. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0017] Figure 1 is a schematic diagram of the internal structure of the vacuum cleaner of this utility model;

[0018] Figure 2 is an enlarged view of point A in Figure 1;

[0019] Figure 3 is a schematic diagram of the structure of the vacuum cleaner of this utility model mounted on the back of the base station;

[0020] Figure 4 is an enlarged view of point B in Figure 3;

[0021] Figure 5 is a schematic diagram of the internal structure of Figure 3 after it has been rotated 90 degrees.

[0022] Figure 6 is an enlarged view of point C in Figure 5;

[0023] Figure 7 is a schematic diagram of the internal structure of the vacuum cleaner host of this utility model;

[0024] Figure 8 is a structural schematic diagram of another embodiment of the present invention;

[0025] Figure 9 is an enlarged view of point D in Figure 8. Detailed Implementation

[0026] Referring to Figures 1 to 7, a vacuum cleaner includes a vacuum cleaner 1 and a base station 2 on which the vacuum cleaner 1 is mounted.

[0027] A mounting chamber 21 is formed on the top of the base station 2; a dust collection port 22 is formed on the bottom wall of the mounting chamber 21, and a dust collection bag 23 is below the dust collection port 22; the vacuum cleaner 1 includes a vacuum cleaner host 11, a vacuum cleaner pipe 12 and a floor brush 13; the vacuum cleaner 1 is mounted on the base station 2 by inserting the vacuum cleaner host 11 into the mounting chamber 21.

[0028] The vacuum cleaner host 11 includes a main body 3, a fan 4, and a dust cup 5. The fan 4 is installed inside the main body 3. The main body 3 is provided with an air intake 31 and an air exhaust 32 corresponding to the fan 4. The dust cup 5 is provided with a dust discharge port 51 at the bottom and is arranged to be aligned with the dust collection port 22 when the vacuum cleaner host 11 is placed in the installation chamber 21. The dust discharge port 51 is provided with a dust discharge valve 52 that can be triggered and opened by the base station 2. How the dust discharge valve 52 is triggered and opened is existing technology and will not be described in detail here.

[0029] The main body 3 has a dust cup interface 33 for connecting the dust cup 5 and a suction pipe 37 for connecting the suction pipe 12 below the air intake 31. The dust cup 5 includes an air outlet 53 at the top, a dust discharge port 51 at the bottom, and a first air inlet 54 and a second air inlet 55 on the side wall. Under normal conditions, the second air inlet 55 is covered by a cover mechanism 56, and the top of the dust cup 5 is fixed to the location of the dust cup interface 33, through which the air outlet 53 communicates with the air intake 31. The main body 3 also has a first connecting port 34 and a second connecting port 35. The first connecting port 34 is located on the side wall of the suction pipe 37 and connects with the dust cup interface 33. The first air inlet 54 of the dust cup 5 is connected, and the second connecting port 35 is directly connected to the air intake 31. The operation of the fan 4 generates suction to draw air into the air intake pipe 37, which enters the dust cup 5 through the first connecting port 34 and the first air inlet 54, and then exits the main body 3 through the air outlet 53, the air intake 31, and the exhaust port to form the first air duct 6. The operation of the fan 4 generates suction to draw air directly through the second connecting port 35 to the air intake 31 and then to the exhaust port 32 to exit the main body 3 to form the second air duct 7. The main body 3 is provided with an air duct switching mechanism, which can selectively connect the first air duct 6 and the second air duct 7. Under normal conditions, the air duct switching mechanism keeps the first air duct 6 connected.

[0030] The side wall of the installation chamber 21 of base station 2 is provided with an air inlet 24 and an air outlet 25 corresponding to the exhaust port 32 and the second air inlet 55, respectively. A ventilation channel 26 connecting the air inlet 24 and the air outlet 25 is formed inside the base station 2. After the vacuum cleaner 1 installs the vacuum cleaner host 11 into the installation chamber 21, the air duct switching mechanism is triggered to open the second air duct 7. The exhaust port 32 of the main body 3 is connected to the air inlet 24, and the cover mechanism 56 on the dust cup 5 is triggered to open so that the second air inlet 55 is connected to the air outlet 25. The air discharged from the second air duct 7 passes through the ventilation channel 26. 6. The air enters the dust cup 5 and blows the dust and debris inside the dust cup 5 and the dust adhering to the inner wall into the dust collection bag 23 below through the dust collection port 22, thus realizing the dust collection work for the vacuum cleaner 1. The above dust collection method has two advantages. First, the air blows directly into the dust cup 5, which can directly blow up the dust adhering to the inner wall of the dust cup 5, so that the dust cup 5 can be cleaned more thoroughly. Second, since the vacuum cleaner fan 4 is used as the power source for the dust collection work, the base station 2 does not need to set up a fan component, which simplifies the structure and reduces the complexity of the control circuit, greatly saving manufacturing costs.

[0031] As a preferred embodiment of this utility model, the air duct switching mechanism includes a connection port switching mechanism 8 and an installation port switching mechanism 9. The connection port switching mechanism 8 is arranged inside the suction pipe 37. The connection port switching mechanism 8 can selectively connect either the first connection port 34 or the second connection port 35. The connection port switching mechanism 8 is linked with the installation port switching mechanism 9. When the connection port switching mechanism 8 connects the first connection port 34, the installation port switching mechanism 9 opens the dust cup connection interface 33 to connect the air outlet 53 of the dust cup 5 to the suction port 31. When the connection port switching mechanism 8 connects the second connection port 35, the installation port switching mechanism 9 closes the dust cup connection interface 33 to block the connection between the air outlet 53 of the dust cup 5 and the suction port 31, so as to prevent the air entering from the second connection port 35 from being carried away by the suction port 31 and thus affecting the blowing and cleaning of the dust cup 5.

[0032] Specifically, the second connecting port 35 is arranged at the top of the suction pipe 37. The connecting port switching mechanism 8 includes a sliding sleeve 81, which is movably inserted into the suction pipe 37 and has a first slot 82 and a second slot 83 on its side wall corresponding to the first connecting port 34 and the second connecting port 35. The distance between the first slot 82 and the second slot 83 is smaller than the distance between the first connecting port 34 and the second connecting port 35. That is, when the first slot 82 is aligned with the first connecting port 34, the second slot 83 cannot connect to the second connecting port 35 due to the difference in distance, thereby achieving the purpose of switching the connection between the first connecting port 34 and the second connecting port 35. The sliding sleeve 81 can be driven to slide up and down by a trigger (not shown in the figure). When the vacuum cleaner host 11 is installed in the installation chamber 21 of the base station 2, the trigger abuts against the wall of the installation chamber 21, causing the sliding sleeve 81 to move upward so that the second slot 83 is aligned with the second connecting port 35.

[0033] A suction chamber 36 is formed between the dust cup interface 33 and the air intake 31. The mounting port switching mechanism 9 is located in the suction chamber 36 and includes a linkage arm 91 and a cover plate 92. The middle part of the linkage arm 91 is hinged in the suction chamber 36 to achieve flipping movement. Specifically, it can be hinged to the wall of the suction chamber 36 or a hinge bracket can be set in the suction chamber 36, so that the linkage arm 91 forms a seesaw-like structure. One end of the linkage arm 91 is hinged to the top of the sliding sleeve 81, and the other end is movably connected to the cover plate 92. When the sliding sleeve 81 moves down to the state where the first slot 82 connects to the first connecting port 34, the cover plate 92 is lifted by the linkage arm 91, so that the dust cup interface 33 is opened. When the sliding sleeve 81 moves up to the state where the second slot 83 connects to the second connecting port 35, the linkage arm 91 presses down the cover plate 92 to cover the dust cup interface 33 and isolate the air outlet 53 of the dust cup 5 from the air intake 31. Preferably, a spring 84 is sandwiched between the top of the sliding sleeve 81 and the top of the suction pipe 37. Under the action of the spring 84, the sliding sleeve 81 normally maintains a downward posture so that the first slot 82 is connected to the first connecting port 34. Furthermore, the side wall of the sliding sleeve 81 is provided with a multi-layer sealing ring wall 85 arranged axially and abutting against the inner wall of the suction pipe 37. The sealing ring wall 85 is arranged at the top and bottom of the sliding sleeve 81 and at the upper and lower ends of the first slot 82 and the second slot 83, ensuring that the air entering the suction pipe 37 is completely guided by the sliding sleeve 81 to the first slot 82 or the second slot 83 for conduction.

[0034] Preferably, as shown in Figures 5 and 6, the cover mechanism 56 includes a flip cover 561 that can be flipped to open or close the second air inlet 55, a limiting plate 562 that can limit the flip cover 561 to maintain a closed state, and a trigger button 563 that triggers the limiting plate 562 to release the flip cover 561 to open. Specifically, the flip cover 561 is rotatably connected by a hinge shaft provided above the second air inlet 55, and a torsion spring is provided between the hinge shaft and the flip cover 561 to flip the flip cover 561 open. The flip cover 561 is also provided with a sealing structure to seal and close the second air inlet 55. The limiting plate 562 is slidably installed below the second air inlet 55 and is provided with... The return spring causes the limiting plate 562 to pop up. When the flip cover 561 closes the second air inlet 55, the popped end of the limiting plate 562 abuts against the outside of the flip cover 561, restricting the opening of the flip cover 561. The trigger button 563 is also equipped with a return spring. The bottom of the trigger button 563 is equipped with a pushing slope that pushes the limiting plate 562 downward. The limiting plate 562 is equipped with a pressure-receiving slope that cooperates with the pushing slope. When the trigger button 563 is pushed inward, the two slopes cooperate with each other to make the limiting plate 562 move downward, thereby causing the top of the limiting plate 562 to leave the flip cover 561, causing the flip cover 561 to flip and open the second air inlet 55. The side wall of the mounting chamber 21 is provided with a protrusion I 211 corresponding to the cover mechanism 56 for pressing the trigger button 563 and a protrusion II 212 located above the air outlet 25 for resetting the flip cover 561 to close. When the vacuum cleaner host 11 is installed and inserted into the mounting chamber 21, and the second air inlet 55 of the dust cup 5 is aligned with the air outlet 25 of the mounting chamber 21, the protrusion I 211 located below the air outlet 25 simultaneously pushes the trigger button 563 inward, thereby releasing the flip cover 561 to flip. When opened, the second air inlet 55 is connected to the air outlet 25; when the vacuum cleaner 11 is pulled out from the housing 21, as the vacuum cleaner 11 moves upward, the flip cover 561 will contact the protrusion II 212 above the air outlet 25 and push the flip cover 561 back to the closed state. At the same time, the trigger button 563 leaves the protrusion II 212, causing the trigger button 563 to reset and the limit plate 562 to pop out again and press against the outside of the flip cover 561, so that the flip cover 561 remains closed.

[0035] As a preferred embodiment, base station 2 has a receiving cavity 27 for accommodating dust collection bags 23 arranged below the installation chamber 21. The receiving cavity 27 has a ventilation opening 28 at its lower part, through which the air entering the receiving cavity 27 is exhausted. Figure 3 shows one embodiment, where the ventilation opening 28 is located on the side wall of the receiving cavity 27, and the receiving cavity 27 is directly connected to the outside through the ventilation opening 28, so the air entering the receiving cavity 27 is also directly exhausted to the outside. Figures 8 and 9 show another embodiment. The vent 28 is located at the bottom of the receiving cavity 27. The base station 2 also includes a ground base 29. The ground base 29 has an air guide channel 291 inside, and the vent 28 is connected to the air guide channel 291. The top of the ground base 29 is provided with a platform for placing the floor brush 13. The platform is provided with the end outlet 292 of the air guide channel 291. The end outlet 292 is sealed and connected to the dust suction channel 14 of the floor brush 13. At this time, the suction airflow of the floor brush 13 suction channel brings suction to the receiving cavity 27, and forms a circulation with the airflow of the second air duct 7 above, thereby better and faster removing the garbage in the dust cup 5. Furthermore, the bottom of the floor brush 13 is provided with a docking interface 131 and is sealed by a silicone baffle 132. The end outlet 292 protrudes from the platform surface and can be inserted into the docking interface 131 and push open the silicone baffle 132 to realize the connection between the air guide channel 291 and the dust suction channel 14, so as to ensure that the suction airflow of the floor brush 13 can be fully applied to the receiving cavity 27, providing sufficient suction for the receiving cavity 27.

Claims

1. A vacuuming device, comprising a vacuum cleaner (1) and a base station (2) on which the vacuum cleaner (1) is mounted; The base station (2) has a mounting chamber (21) on its top; a dust collection port (22) is formed on the bottom wall of the mounting chamber (21), and a dust collection bag (23) is located below the dust collection port (22); the vacuum cleaner (1) includes a vacuum cleaner host (11), a vacuum cleaner pipe (12) and a floor brush (13); the vacuum cleaner (1) is mounted on the base station (2) by inserting the vacuum cleaner host (11) into the mounting chamber (21); The vacuum cleaner host (11) includes a main body (3), a fan (4), and a dust cup (5); the fan (4) is installed inside the main body (3), and the main body (3) is provided with an air intake (31) and an exhaust port (32) respectively corresponding to the fan (4). The dust cup (5) is provided with a dust discharge port (51) at the bottom and is arranged to be aligned with the dust collection port (22) when the vacuum cleaner host (11) is placed in the installation room (21); the dust discharge port (51) is provided with a dust discharge valve (52) that can be triggered and opened by the base station (2). Its features are: The main body (3) has a dust cup docking interface (33) for connecting the dust cup (5) and a suction pipe (37) for connecting the suction pipe (12) below the suction port (31). The dust cup (5) includes an air outlet (53) on the top and a first air inlet (54) and a second air inlet (55) on the side wall. Normally, the second air inlet (55) is covered by a cover mechanism (56), and the top of the dust cup (5) is fixed at the location of the dust cup docking interface (33) and the air outlet (53) is connected to the suction port (31) through the dust cup docking interface (33). The main body (3) also has a first connecting port (34) and a second connecting port (35). The first connecting port (34) is located on the side wall of the suction pipe (37) and docks with the first air inlet (54) of the dust cup (5). The second connecting port (35) is directly connected to the suction port (31). The fan (4) generates suction to draw air into the suction pipe (37), which then enters the dust cup (5) through the first connecting port (34) and the first air inlet (54), and is discharged from the main body (3) through the air outlet (53), the air inlet (31), and the exhaust port, forming the first air duct (6); the fan (4) generates suction to draw air directly through the second connecting port (35) to the air inlet (31) and then to the exhaust port (32) to be discharged from the main body (3), forming the second air duct (7); the main body (3) is provided with an air duct switching mechanism, which allows the first air duct (6) and the second air duct (7) to be connected. Under normal conditions, the air duct switching mechanism keeps the first air duct (6) connected. The side wall of the installation chamber (21) of the base station (2) is provided with an air inlet (24) and an air outlet (25) respectively corresponding to the exhaust port (32) and the second air inlet (55). A ventilation channel (26) connecting the air inlet (24) and the air outlet (25) is formed inside the base station (2). After the vacuum cleaner (1) puts the vacuum cleaner host (11) into the installation chamber (21), the air duct switching mechanism is triggered to open the second air duct (7). The exhaust port (32) of the main body (3) is connected to the air inlet (24). The cover mechanism (56) on the dust cup (5) is triggered to open so that the second air inlet (55) is connected to the air outlet (25). The air discharged from the second air duct (7) enters the dust cup (5) through the ventilation channel (26).

2. The dust extraction apparatus of claim 1, wherein: The air duct switching mechanism includes a connection port switching mechanism (8) and an installation port switching mechanism (9). The connection port switching mechanism (8) is arranged inside the suction pipe (37). The connection port switching mechanism (8) can connect either the first connection port (34) or the second connection port (35). The connection port switching mechanism (8) is linked with the installation port switching mechanism (9). When the connection port switching mechanism (8) connects the first connection port (34), the installation port switching mechanism (9) opens the dust cup interface (33) to connect the air outlet (53) of the dust cup (5) to the suction port (31). When the connection port switching mechanism (8) connects the second connection port (35), the installation port switching mechanism (9) closes the dust cup interface (33) to block the connection between the air outlet (53) of the dust cup (5) and the suction port (31).

3. The dust extraction apparatus of claim 2, wherein: The second connecting port (35) is arranged at the top of the suction pipe (37). The connecting port switching mechanism (8) includes a sliding sleeve (81). The sliding sleeve (81) is movably connected inside the suction pipe (37) and has a first slot (82) and a second slot (83) on its side wall corresponding to the first connecting port (34) and the second connecting port (35). The distance between the first slot (82) and the second slot (83) is smaller than the distance between the first connecting port (34) and the second connecting port (35).

4. The dust extraction apparatus of claim 3, wherein: A spring (84) is sandwiched between the top of the sliding sleeve (81) and the top of the suction pipe (37). Under the action of the spring (84), the sliding sleeve (81) normally maintains a downward posture so that the first slot (82) and the first connecting port (34) remain connected.

5. A dust extraction arrangement according to claim 3 or 4, wherein: There is a gap between the dust cup interface (33) and the air inlet (31) to form an air inlet cavity (36). The mounting port switch mechanism (9) is located in the air inlet cavity (36) and includes a linkage arm (91) and a cover plate (92). The middle part of the linkage arm (91) is hinged in the air inlet cavity (36) to achieve a flipping movement. One end of the linkage arm (91) is hinged to the top of the sliding sleeve (81), and the other end is movably connected to the cover plate (92).

6. The dusting apparatus of claim 1, wherein: The cover mechanism (56) includes a flip cover (561) that can be flipped to open or close the second air inlet (55), a limiting plate (562) that can limit the flip cover (561) to maintain its closed state, and a trigger button (563) that triggers the limiting plate (562) to release the flip cover (561) from opening; the side wall of the installation chamber (21) is provided with a protrusion I (211) for pushing the trigger button (563) and a protrusion II (212) located above the air outlet (25) for resetting the flip cover (561) to close.

7. The dusting apparatus of claim 1, wherein: The base station (2) has a cavity (27) for accommodating dust collection bags (23) arranged below the installation room (21), and a vent (28) is provided at the bottom of the cavity (27).

8. The vacuum cleaner according to claim 7, characterized in that: The vent (28) is located on the side wall of the cavity (27), and the cavity (27) is directly connected to the outside through the vent (28).

9. The dusting apparatus of claim 7, wherein: The vent (28) is located at the bottom of the receiving cavity (27). The base station (2) also includes a base (29). The base (29) has an air guide channel (291) inside. The vent (28) is connected to the air guide channel (291). The base (29) has a platform on top for placing the floor brush (13). The platform has the end outlet (292) of the air guide channel (291). The end outlet (292) is sealed and connected to the dust suction channel (14) of the floor brush (13).

10. The dust extraction apparatus of claim 9, wherein: The bottom of the floor brush (13) is provided with a docking interface (131) and is sealed by a silicone baffle (132). The end outlet (292) protrudes from the platform surface and can be inserted into the docking interface (131) and push open the silicone baffle (132) to realize the connection between the air guide channel (291) and the dust suction channel (14).

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