US2025302255A1PendingUtilityA1

Cleaning device

Assignee: SUZHOU PINETEK CO LTDPriority: Mar 28, 2024Filed: Oct 30, 2024Published: Oct 2, 2025
Est. expiryMar 28, 2044(~17.7 yrs left)· nominal 20-yr term from priority
Inventors:Dan Zhang
A47L 9/0063A47L 5/24A47L 9/20A47L 9/1666
60
PatentIndex Score
0
Cited by
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References
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Claims

Abstract

A cleaning device comprises a cleaning device main body and a base station. 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; when the cleaning device is in a first state, the cleaning device main body is separated from the base station, the fan assembly and the dust cup assembly form a 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 a 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 a dust collection duct, and the fan assembly generates a forward blowing force in the dust collection duct.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A cleaning device, comprising 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.   
     
     
         2 . The cleaning device according to  claim 1 , wherein 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. 
     
     
         3 . The cleaning device according to  claim 1 , wherein 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. 
     
     
         4 . The cleaning device according to  claim 1 , wherein 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.   
     
     
         5 . The cleaning device according to  claim 1 , wherein 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. 
     
     
         6 . The cleaning device according to  claim 5 , wherein 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. 
     
     
         7 . The cleaning device according to  claim 6 , wherein 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. 
     
     
         8 . The cleaning device according to  claim 7 , wherein 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. 
     
     
         9 . The cleaning device according to  claim 8 , wherein 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. 
     
     
         10 . The cleaning device according to  claim 9 , wherein 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. 
     
     
         11 . The cleaning device according to  claim 9 , wherein 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. 
     
     
         12 . The cleaning device according to  claim 11 , wherein 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. 
     
     
         13 . The cleaning device according to  claim 9 , wherein 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. 
     
     
         14 . The cleaning device according to  claim 8 , wherein 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. 
     
     
         15 . The cleaning device according to  claim 8 , wherein 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. 
     
     
         16 . The cleaning device according to  claim 6 , wherein 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. 
     
     
         17 . The cleaning device according to  claim 3 , wherein 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. 
     
     
         18 . The cleaning device according to  claim 17 , wherein 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. 
     
     
         19 . The cleaning device according to  claim 18 , wherein 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, 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; and 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. 
     
     
         20 . The cleaning device according to  claim 19 , wherein 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.

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