Double-roller assembly and floor washing robot with same

Abstract

The utility model discloses a double-roller assembly and a floor washing robot with the double-roller assembly, the double-roller assembly is used for the floor washing robot and comprises a shell, a first roller, a second roller, a first water distribution piece and a second water distribution piece, and the first roller is rotatably arranged on the shell; the second roller is rotatably arranged on the shell, and the second roller and the first roller are arranged in parallel at an interval; the first water diversion piece is arranged on the upper side of the first roller and used for supplying water to the first roller; the second water diversion piece is arranged on the upper side of the second roller and used for supplying water to the second roller. According to the double-roller assembly, the operation mode can be adjusted according to the requirement of a user, and the use experience of the user is improved.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of cleaning equipment, and in particular to a double-drum assembly and a floor-cleaning robot having the same. Background Art

[0002] The double-drum floor-cleaning robot is provided with two front and rear drum structures, and the floor-cleaning robot can mop the floor by means of a mop cloth set on the outer surface of the drum. Currently, the double-drum structure in the double-drum floor-cleaning robot usually has a relatively single operation mode, which cannot meet the various needs of users. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a dual-drum assembly, which can adjust the operation mode according to the needs of the user to enhance the user experience.

[0004] The utility model also provides a floor-cleaning robot, which comprises the above-mentioned double-drum assembly.

[0005] The double-drum assembly according to the embodiment of the utility model is used for a floor washing robot and includes a shell, a first drum, a second drum, a first water-dividing member and a second water-dividing member, wherein the first drum is rotatably disposed on the shell; the second drum is rotatably disposed on the shell, and the second drum is parallel to the first drum and spaced apart; the first water-dividing member is disposed on the upper side of the first drum for supplying water to the first drum; the second water-dividing member is disposed on the upper side of the second drum for supplying water to the second drum.

[0006] According to the double-drum assembly of the embodiment of the utility model, the first drum and the second drum are rotatably arranged on the shell, the first water distribution part supplies water to the first drum, and the second water distribution part supplies water to the second drum. The first drum and the second drum can both be in a wet state, and the first drum and the second drum clean the floor at the same time, which can increase the cleaning area of ​​the floor by the first drum and the second drum, and increase the cleaning efficiency of the floor; or one of the first drum and the second drum located in front of the moving direction of the floor washing robot can be in a wet state, and the other can be in a dry state, the wet first drum or the second drum cleans the floor, and the other wipes the water stains on the floor, thereby increasing the cleaning effect of the double-drum assembly on the floor, and preventing the wooden floor from stretching and deforming after absorbing water; and it can prevent the floor from being slippery, and prevent the elderly or children in the user's home from falling due to the slippery floor. The floor washing robot can adjust the operation mode according to the needs of the user to increase the user's experience.

[0007] In some embodiments of the utility model, the floor cleaning robot includes a clean water tank and a water pump, and the dual-drum assembly includes two connecting pipes, which are arranged outside the shell and are used to guide the water in the clean water tank to the first water distribution member and / or the second water distribution member.

[0008] In some embodiments of the utility model, there is one water pump, the water outlet of the water pump is connected to the first water distribution member and the second water distribution member at the same time, and a control valve for controlling on and off is provided between at least one of the first water distribution member and the second water distribution member and the outlet of the water pump; or, there are two water pumps, and the outlets of the two water pumps are connected to the first water distribution member and the second water distribution member respectively.

[0009] In some embodiments of the present invention, the dual-roller assembly further includes a driving device, which is disposed on the shell and is used to drive the first roller and the second roller to rotate synchronously.

[0010] In some embodiments of the present utility model, the driving device includes a first driving motor and a second driving motor, the first driving motor is arranged on the shell, and is used to drive the first roller to rotate; the second driving motor is arranged on the shell, and is used to drive the second roller to rotate.

[0011] In some embodiments of the present invention, the driving device includes a third driving motor and a transmission structure, the third driving motor is directly connected to the first roller; the transmission structure connects the third driving motor and the second roller.

[0012] In some embodiments of the present invention, the dual roller assembly further includes a wiper assembly, which is disposed on the shell and abuts against the first roller and the second roller, and the wiper assembly has a wiper groove for receiving sewage on the first roller and the second roller.

[0013] In some embodiments of the utility model, the wiper assembly includes a wiper blade, which is arranged in the wiper groove, the wiper blade is located between the first roller and the second roller, and the opposite ends of the wiper blade are respectively abutted against the first roller and the second roller; or, the wiper assembly includes two wiper blades, the two wiper blades are respectively located on one side of the first roller and one side of the second roller, the two wiper blades are respectively abutted against the first roller and the second roller, and the wiper blade is arranged in the wiper groove.

[0014] In some embodiments of the utility model, a water suction port is provided on the bottom wall of the scraper tank, and the floor cleaning robot includes a negative pressure device and a sewage tank, and the negative pressure device is connected to the water suction port and the sewage tank.

[0015] A floor cleaning robot according to an embodiment of the utility model includes the above-mentioned double-drum assembly.

[0016] According to the floor-cleaning robot of the embodiment of the utility model, the first roller and the second roller are rotatably arranged on the shell, the first water-distributing member supplies water to the first roller, and the second water-distributing member supplies water to the second roller. The first roller and the second roller can both be in a wet state, and the first roller and the second roller clean the floor at the same time, which can increase the cleaning area of ​​the floor by the first roller and the second roller, and increase the cleaning efficiency of the floor; or one of the first roller and the second roller located in front of the moving direction of the floor-cleaning robot can be in a wet state, and the other can be in a dry state, the wet first roller or the second roller cleans the floor, and the other wipes the water stains on the floor, thereby increasing the cleaning effect of the double-roller assembly on the floor, and preventing the wooden floor from stretching and deforming after absorbing water; and it can prevent the floor from being slippery, and prevent the elderly or children in the user's home from falling due to the slippery floor. The floor-cleaning robot can adjust the operation mode according to the needs of the user, and increase the user's experience.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 is an exploded view of a double-drum assembly according to an embodiment of the utility model;

[0020] Figure 2 It is a cross-sectional view of a floor cleaning robot according to an embodiment of the utility model.

[0021] Reference numerals:

[0022] 100. Floor cleaning robot;

[0023] 10. Double roller assembly;

[0024] 1. Shell; 2. First drum; 3. Second drum; 4. First water distribution member; 41. First water inlet; 5. Second water distribution member; 51. Second water inlet;

[0025] 6. driving device; 61. first driving motor; 62. second driving motor;

[0026] 7. Wiper assembly; 71. Wiper plate; 72. Wiper groove; 73. Water suction port. DETAILED DESCRIPTION

[0027] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0028] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] The double-drum assembly 10 according to an embodiment of the present utility model will be described below with reference to the accompanying drawings.

[0031] like Figure 1 As shown, the double-drum assembly 10 according to the embodiment of the utility model includes a shell 1, a first drum 2, a second drum 3, a first water distribution member 4 and a second water distribution member 5.

[0032] Specifically, Figure 1 and Figure 2 As shown, the double-drum assembly 10 is used for a floor-cleaning robot 100, and the double-drum assembly 10 can clean the floor more effectively, especially for stubborn stains and water stains. Compared with a single-drum design, the double-drum assembly 10 can complete the task faster, saving the user's time and energy.

[0033] like Figure 1As shown, the first roller 2 is rotatably disposed on the shell 1, and the second roller 3 is rotatably disposed on the shell 1. The second roller 3 is parallel to the first roller 2 and is spaced apart. The first roller 2 and the second roller 3 can complement each other. After one of the first roller 2 and the second roller 3 cleans the floor, the other can subsequently perform secondary cleaning, thereby making the cleaning process of the floor scrubber 100 more thorough and improving the cleaning efficiency of the floor scrubber 100.

[0034] like Figure 1 As shown, the first water distribution member 4 is disposed on the upper side of the first drum 2, and is used to supply water to the first drum 2. The second water distribution member 5 is disposed on the upper side of the second drum 3, and is used to supply water to the second drum 3. When the floor cleaning robot 100 is working, the first water distribution member 4 and the second water distribution member 5 can both supply water to the first drum 2 and the second drum 3, and the first drum 2 and the second drum 3 are both in a wet state. The first drum 2 and the second drum 3 clean the floor at the same time, which can increase the cleaning area of ​​the floor by the first drum 2 and the second drum 3, and increase the cleaning efficiency of the floor, and is suitable for tile floors.

[0035] like Figure 1 As shown, the first water dividing member 4 may supply water to the first drum 2, and the second water dividing member 5 may not supply water to the second drum 3, or the second water dividing member 5 may supply water to the second drum 3, and the first water dividing member 4 may not supply water to the first drum 2. One of the first drum 2 and the second drum 3 located in front of the traveling direction of the floor washing robot 100 is in a wet state, and the other is in a dry state. The wet first drum 2 or the second drum 3 cleans the floor, and the other wipes the water stains on the floor, thereby increasing the cleaning effect of the double-drum assembly 10 on the floor. The double-drum assembly 10 is suitable for wooden floors to prevent the wooden floors from stretching and deforming after absorbing water. The double-drum assembly 10 may also avoid slippery floors, and prevent the elderly or children in the user's home from falling due to slippery floors.

[0036] According to the double-drum assembly 10 of the embodiment of the utility model, the first drum 2 and the second drum 3 are rotatably arranged on the housing 1, the first water distribution member 4 supplies water to the first drum 2, and the second water distribution member 5 supplies water to the second drum 3. The first drum 2 and the second drum 3 can both be in a wet state, and the first drum 2 and the second drum 3 clean the floor at the same time, which can increase the cleaning area of ​​the floor by the first drum 2 and the second drum 3, and increase the cleaning efficiency of the floor; or one of the first drum 2 and the second drum 3 located in front of the moving direction of the floor washing robot 100 can be in a wet state, and the other can be in a dry state, the wet first drum 2 or the second drum 3 cleans the floor, and the other wipes the water stains on the floor, thereby increasing the cleaning effect of the double-drum assembly 10 on the floor, preventing the wooden floor from stretching and deforming after absorbing water; and preventing the floor from being slippery, and preventing the elderly or children in the user's home from falling due to the slippery floor. The floor washing robot 100 can adjust the operation mode according to the needs of the user to increase the user's experience.

[0037] In some embodiments of the present invention, the floor scrubber robot 100 includes a clean water tank and a water pump. The clean water tank is close to the first drum 2 and the second drum 3, which is convenient for the first drum 2 and the second drum 3 to replenish water and ensure the cleaning effect of the floor scrubber robot 100. The double drum assembly 10 includes two connecting pipes, which are arranged outside the housing 1 and are used to guide the water in the clean water tank to the first water distribution member 4 and / or the second water distribution member 5.

[0038] By controlling the working state of the water pump, the opening or closing of the connecting pipe and the opening degree when it is opened, the water flow directed to the first water distribution member 4 and the second water distribution member 5 can be adjusted, thereby adjusting the wetness of the first drum 2 and the second drum 3 to meet different cleaning needs. And by controlling the switch of the water pump, the opening or closing of the connecting pipe and the opening degree when it is opened, it is possible to control whether the water in the clean water tank enters the first water distribution member 4 and / or the second water distribution member 5, so that the first drum 2 and the second drum 3 can clean the floor at the same time; or one of the first drum 2 and the second drum 3 located in front of the moving direction of the floor washing robot 100 is in a wet state, and the other is in a dry state, the wet first drum 2 or the second drum 3 cleans the floor, and the other wipes the water stains on the floor. The floor washing robot 100 can switch between the two working states to meet the user's usage needs.

[0039] In this embodiment, the first water distribution member 4 is provided with a first water receiving port 41, the second water distribution member 5 is provided with a second water receiving port 51, one end of the connecting pipe is connected to the first water receiving port 41 or the second water receiving port 51, and the other end of the connecting pipe is connected to the water pump, so as to divert the water in the clean water tank to the first water distribution member 4 and / or the second water distribution member 5.

[0040] In some embodiments of the utility model, there is one water pump, and the water outlet of the water pump is connected to the first water distribution member 4 and the second water distribution member 5 at the same time. A control valve for controlling the on-off is provided between at least one of the first water distribution member 4 and the second water distribution member 5 and the outlet of the water pump. The control valve controls whether the water in the clean water tank enters the first water distribution member 4 and / or the second water distribution member 5, so that the first drum 2 and the second drum 3 can clean the floor at the same time; or one of the first drum 2 and the second drum 3 located in front of the traveling direction of the floor washing robot 100 is in a wet state, and the other is in a dry state. The wet first drum 2 or the second drum 3 cleans the floor, and the other wipes the water stains on the floor. The floor washing robot 100 can switch between the two working states to meet the user's usage needs.

[0041] In some embodiments of the utility model, there are two water pumps, and the outlets of the two water pumps are connected to the first water distribution member 4 and the second water distribution member 5 respectively. By controlling the opening or closing of the two water pumps, the valve can be controlled to control whether the water in the clean water tank enters the first water distribution member 4 and / or the second water distribution member 5, so that the first drum 2 and the second drum 3 can clean the floor at the same time; or one of the first drum 2 and the second drum 3 located in front of the traveling direction of the floor washing robot 100 is in a wet state, and the other is in a dry state, and the wet first drum 2 or the second drum 3 cleans the floor, and the other wipes the water stains on the floor. The floor washing robot 100 can switch between the two working states to meet the user's usage needs.

[0042] In some embodiments of the present invention, Figure 1 As shown, the dual-drum assembly 10 also includes a driving device 6, which is arranged on the shell 1 and is used to drive the first drum 2 and the second drum 3 to rotate synchronously. The driving device 6 can drive the first drum 2 and the second drum 3 to rotate, and the first drum 2 and the second drum 3 can both clean the floor, so that the cleaning effect of the floor scrubbing robot 100 is better.

[0043] In some embodiments of the present invention, Figure 1 As shown, the driving device 6 includes a first driving motor 61 and a second driving motor 62. The first driving motor 61 is arranged on the housing 1 and is used to drive the first roller 2 to rotate. The second driving motor 62 is arranged on the housing 1 and is used to drive the second roller 3 to rotate. The first roller 2 and the second roller 3 can be driven automatically, and the driving device 6 can be driven automatically, thereby increasing the transmission efficiency of the double roller assembly 10.

[0044] In addition, the first drive motor 61 and the second drive motor 62 can drive the first drum 2 and the second drum 3 to rotate at different speeds, and the first drum 2 and the second drum 3 rotate differentially, wherein the one of the first drum 2 and the second drum 3 located behind the traveling direction of the floor washing robot 100 rotates at a lower speed. Since the one of the first drum 2 and the second drum 3 located behind the traveling direction of the floor washing robot 100 mainly performs secondary cleaning on the water stains remaining after the other of the first drum 2 and the second drum 3 is cleaned, setting the one of the first drum 2 and the second drum 3 located behind the traveling direction of the floor washing robot 100 to rotate at a lower speed will not affect the effect of cleaning water stains, and can also save electric energy and increase the standby time of the floor washing robot 100.

[0045] In some embodiments of the utility model, the driving device 6 includes a third driving motor and a transmission structure. The third driving motor is directly connected to the first roller 2. The transmission structure connects the third driving motor and the second roller 3. The transmission structure can transmit the driving force of the third driving motor to the second roller 3, so as to realize the automatic driving of the first roller 2 and the second roller 3, and realize the automatic driving of the driving device 6, thereby increasing the transmission efficiency of the dual roller assembly 10.

[0046] In some embodiments of the present invention, Figure 1 As shown, the dual roller assembly 10 further includes a wiper assembly 7, which is disposed on the housing 1 and abuts against the first roller 2 and the second roller 3. The wiper assembly 7 can scrape off the residual water and stains on the first roller 2 and the second roller 3, ensuring that the floor can be quickly dried after cleaning to avoid secondary pollution. The wiper assembly 7 has a wiper groove 72 for receiving the sewage on the first roller 2 and the second roller 3. After the wiper assembly 7 scrapes off the residual water and stains on the first roller 2 and the second roller 3, the sewage can be concentrated in the wiper groove 72, realizing centralized treatment of the sewage.

[0047] In some embodiments of the present invention, Figure 1 As shown, the wiper assembly 7 includes a wiper plate 71, which is arranged in a wiper groove 72. The wiper plate 71 is located between the first roller 2 and the second roller 3, and the opposite ends of the wiper plate 71 are respectively in contact with the first roller 2 and the second roller 3. The first roller 2 and the second roller 3 rotate relatively, and the residual water and stains on the first roller 2 and the second roller 3 can be scraped off by the opposite ends of the wiper plate 71 and enter the wiper groove 72, thereby realizing centralized treatment of sewage.

[0048] In some embodiments of the utility model, the wiper assembly 7 includes two wiper blades 71, which are respectively located on one side of the first roller 2 and one side of the second roller 3, and the two wiper blades 71 are respectively in contact with the first roller 2 and the second roller 3, and the wiper blades 71 are arranged in the wiper groove 72. The two wiper blades 71 can respectively scrape off the residual water and stains on the first roller 2 and the second roller 3, and enter the corresponding wiper groove 72 to achieve centralized treatment of sewage.

[0049] In some embodiments of the present invention, Figure 1 As shown, the bottom wall of the scraper groove 72 is provided with a water suction port 73, and the floor cleaning robot 100 includes a negative pressure device and a sewage tank, and the negative pressure device is connected to the water suction port 73 and the sewage tank. The negative pressure device can collect the sewage in the scraper groove 72 into the sewage tank, so as to realize the centralized treatment of the residual water and stains on the first roller 2 and the second roller 3.

[0050] A double-drum assembly 10 according to a specific embodiment of the present invention is described below with reference to the accompanying drawings. It is worth noting that the following description is merely exemplary and is intended to be used to explain the present invention, but is not to be construed as a limitation on the present invention.

[0051] like Figure 1 and Figure 2 As shown, the double-drum assembly 10 according to the embodiment of the utility model includes a housing 1, a first drum 2, a second drum 3, a first water-dividing member 4, a second water-dividing member 5, a driving device 6 and a wiper assembly 7.

[0052] Specifically, the double-drum assembly 10 is used in the floor-cleaning robot 100 . The double-drum assembly 10 can clean the floor more effectively, especially in dealing with stubborn stains and water stains.

[0053] The first roller 2 is rotatably disposed on the shell 1, and the second roller 3 is rotatably disposed on the shell 1. The second roller 3 is parallel to the first roller 2 and is spaced apart. The first roller 2 and the second roller 3 can complement each other. After one of the first roller 2 and the second roller 3 cleans the floor, the other can subsequently perform secondary cleaning, thereby making the cleaning process of the floor scrubber 100 more thorough and improving the cleaning efficiency of the floor scrubber 100.

[0054] The first water distribution member 4 is disposed on the upper side of the first drum 2, and is used to supply water to the first drum 2. The second water distribution member 5 is disposed on the upper side of the second drum 3, and is used to supply water to the second drum 3. When the floor cleaning robot 100 is working, the first water distribution member 4 and the second water distribution member 5 can both supply water to the first drum 2 and the second drum 3, and the first drum 2 and the second drum 3 are both in a wet state. The first drum 2 and the second drum 3 clean the floor at the same time, which can increase the cleaning area of ​​the floor by the first drum 2 and the second drum 3, and increase the cleaning efficiency of the floor, and is suitable for tile floors.

[0055] Alternatively, the first water dividing member 4 supplies water to the first drum 2, and the second water dividing member 5 does not supply water to the second drum 3, or the second water dividing member 5 supplies water to the second drum 3, and the first water dividing member 4 does not supply water to the first drum 2. One of the first drum 2 and the second drum 3 located in front of the traveling direction of the floor washing robot 100 is in a wet state, and the other is in a dry state. The wet first drum 2 or the second drum 3 cleans the floor, and the other wipes the water stains on the floor, thereby increasing the cleaning effect of the dual-drum assembly 10 on the floor. The dual-drum assembly 10 is suitable for wooden floors to prevent the wooden floors from expanding and contracting after absorbing water, and can prevent the floor from getting wet and slippery, and prevent the elderly or children in the user's home from falling due to the wet and slippery floor.

[0056] The floor scrubbing robot 100 includes a clean water tank, which is located close to the first drum 2 and the second drum 3 , so that the first drum 2 and the second drum 3 can be easily replenished with water, thereby ensuring the cleaning effect of the floor scrubbing robot 100 .

[0057] The double-drum assembly 10 includes a water pump, which is arranged in the housing 1 and is used to guide the water in the clean water tank to the first water distribution member 4 and / or the second water distribution member 5. By controlling the working state of the water pump, the water flow rate directed to the first water distribution member 4 and the second water distribution member 5 can be adjusted, thereby adjusting the wetness of the first drum 2 and the second drum 3 to meet different cleaning needs. And by controlling the switch of the water pump, it is possible to control whether the water in the clean water tank enters the first water distribution member 4 and / or the second water distribution member 5, so that the first drum 2 and the second drum 3 can clean the floor at the same time; or one of the first drum 2 and the second drum 3 located in front of the direction of travel of the floor washing robot 100 is in a wet state, and the other is in a dry state, and the wet first drum 2 or the second drum 3 cleans the floor, and the other wipes the water stains on the floor. The floor washing robot 100 can switch between the two working states to meet the user's usage needs.

[0058] The double-drum assembly 10 further includes a driving device 6, which is disposed on the housing 1 and is used to drive the first drum 2 and the second drum 3 to rotate synchronously. The driving device 6 can drive the first drum 2 and the second drum 3 to rotate, and both the first drum 2 and the second drum 3 can clean the ground, so that the cleaning effect of the floor scrubber robot 100 is better. The driving device 6 includes a first driving motor 61 and a second driving motor 62, and the first driving motor 61 is disposed on the housing 1 and is used to drive the first drum 2 to rotate, and the second driving motor 62 is disposed on the housing 1 and is used to drive the second drum 3 to rotate. The first drum 2 and the second drum 3 can be driven automatically, and the driving device 6 can be driven automatically, thereby increasing the transmission efficiency of the double-drum assembly 10.

[0059] The wiper assembly 7 is arranged on the housing 1 and abuts against the first roller 2 and the second roller 3. The wiper assembly 7 can scrape off the residual water and stains on the first roller 2 and the second roller 3, ensuring that the ground can be quickly dried after cleaning to avoid secondary pollution. The wiper assembly 7 has a wiper groove 72 for receiving sewage on the first roller 2 and the second roller 3. The wiper assembly 7 includes a wiper plate 71, and the wiper plate 71 has a wiper groove 72. The wiper plate 71 is located between the first roller 2 and the second roller 3, and the opposite ends of the wiper plate 71 are respectively abutted against the first roller 2 and the second roller 3. The first roller 2 and the second roller 3 rotate relatively. The residual water and stains on the first roller 2 and the second roller 3 can be scraped off by the opposite ends of the wiper plate 71 and enter the wiper groove 72, so as to realize the centralized treatment of sewage. The bottom wall of the wiper groove 72 is provided with a water suction port 73. The floor cleaning robot 100 includes a negative pressure device and a sewage tank. The negative pressure device is connected to the water suction port 73 and the sewage tank. The negative pressure device can collect the sewage in the scraper groove 72 into the sewage tank, thereby realizing the centralized treatment of the water and stains remaining on the first roller 2 and the second roller 3 .

[0060] The floor cleaning robot 100 according to the embodiment of the present invention includes the above-mentioned double-drum assembly 10 .

[0061] According to the floor-cleaning robot 100 of the embodiment of the utility model, the first drum 2 and the second drum 3 are rotatably arranged on the housing 1, the first water-distributing member 4 supplies water to the first drum 2, and the second water-distributing member 5 supplies water to the second drum 3. The first drum 2 and the second drum 3 can both be in a wet state, and the first drum 2 and the second drum 3 clean the floor at the same time, which can increase the cleaning area of ​​the floor by the first drum 2 and the second drum 3, and increase the cleaning efficiency of the floor; or one of the first drum 2 and the second drum 3 located in the front of the traveling direction of the floor-cleaning robot 100 can be in a wet state, and the other can be in a dry state, and the wet first drum 2 or the second drum 3 cleans the floor, and the other wipes the water stains on the floor, thereby increasing the cleaning effect of the double-drum assembly 10 on the floor, and preventing the wooden floor from stretching and deforming after absorbing water; and preventing the floor from being slippery, and preventing the elderly or children in the user's home from falling due to the slippery floor. The floor-cleaning robot 100 can adjust the operation mode according to the needs of the user to increase the user's experience.

[0062] Other structures and operations of the double-drum assembly 10 and the floor-cleaning robot 100 having the same according to the embodiment of the utility model are well known to those skilled in the art and will not be described in detail here.

[0063] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0064] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A double roller assembly, characterized in that: For floor scrubbing robots and comprising: case; a first roller, the first roller being rotatably disposed on the housing; a second roller, the second roller being rotatably disposed on the housing, the second roller being parallel to and spaced from the first roller; a first water distribution member, which is disposed on the upper side of the first drum and is used to supply water to the first drum; A second water distribution member is disposed on the upper side of the second drum and is used for supplying water to the second drum.

2. The double-drum assembly according to claim 1, characterized in that: The floor cleaning robot includes a clean water tank and a water pump, and the double-drum assembly includes two connecting pipes, which are arranged outside the shell and are used to guide the water in the clean water tank to the first water distribution member and / or the second water distribution member.

3. The double-drum assembly according to claim 2, characterized in that: There is one water pump, the water outlet of the water pump is connected to the first water distribution member and the second water distribution member at the same time, and a control valve for controlling on and off is provided between at least one of the first water distribution member and the second water distribution member and the outlet of the water pump; Alternatively, there are two water pumps, and outlets of the two water pumps are respectively connected to the first water distribution member and the second water distribution member.

4. The double-drum assembly according to claim 1, characterized in that: Also includes: A driving device is disposed on the shell and is used to drive the first roller and the second roller to rotate synchronously.

5. The double-drum assembly according to claim 4, characterized in that: The driving device comprises: a first driving motor, which is disposed on the housing and is used to drive the first roller to rotate; A second driving motor is disposed on the housing and is used to drive the second roller to rotate.

6. The double-drum assembly according to claim 4, characterized in that: The driving device comprises: a third driving motor, the third driving motor being directly connected to the first roller; A transmission structure is provided, wherein the transmission structure connects the third driving motor and the second roller.

7. The double-drum assembly according to claim 1, characterized in that: Also includes: The wiper assembly is arranged on the shell and abuts against the first roller and the second roller. The wiper assembly has a wiper groove for receiving sewage on the first roller and the second roller.

8. The double-drum assembly according to claim 7, characterized in that: The wiper assembly includes a wiper blade, which is arranged in the wiper groove, and is located between the first roller and the second roller, and opposite ends of the wiper blade are respectively in contact with the first roller and the second roller; Alternatively, the wiper assembly includes two wiper blades, which are respectively located on one side of the first roller and one side of the second roller, and are respectively abutted against the first roller and the second roller, and are arranged in the wiper groove.

9. The double-drum assembly according to claim 8, characterized in that: The bottom wall of the scraper tank is provided with a water suction port, and the floor scrubbing robot comprises a negative pressure device and a sewage tank, and the negative pressure device is connected with the water suction port and the sewage tank.

10. A floor-cleaning robot, characterized in that: include: A double drum assembly according to any one of claims 1 to 9.

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