CN216221358U - Rolling brush structure for cleaning robot and cleaning robot - Google Patents

Abstract

The utility model relates to the technical field of robots, in particular to a rolling brush structure used for cleaning robots and a cleaning robot. The rolling brush structure includes a rolling brush and a water storage tank. The water storage tank is arranged above the rolling brush and extends along the The length direction of the rolling brush extends, the water storage tank has a water storage cavity, the top of the water storage tank is provided with a water inlet that communicates with the water storage cavity, and the side wall of the water storage cavity is provided with a water inlet. a plurality of overflow openings, and the plurality of overflow openings are distributed at intervals along the length direction of the water storage tank, and the water storage tank is provided with a water outlet groove extending along its own length direction on the side of the water storage cavity, The water outlet is communicated with the overflow port, and the water outlet is located above the roller brush. The utility model adopts the form of the roller brush, which increases the contact area between the brush plate and the ground, and through the arrangement of the water storage tank, the water can be evenly guided to the roller brush, thereby improving the cleaning effect and the cleaning efficiency.

Description

A roller brush structure for cleaning robot and cleaning robot

technical field

The embodiments of the utility model relate to the technical field of robots, and in particular, to a roller brush structure for a cleaning robot and a cleaning robot.

Background technique

In recent years, with the development of intelligent technology, the application of robots has become more and more extensive. Among them, more and more indoor floor cleaning is completed by intelligent robots. This kind of robot can independently build maps, path planning, obstacle avoidance, and then realize autonomous navigation and indoor floor cleaning by means of laser, ultrasonic, infrared and other sensors. The robot has a good cleaning effect on dust, particles and stains on the ground, and is widely used in relatively clean places such as office buildings, waiting halls, arenas, and supermarkets.

At present, the existing floor washing tools of the indoor floor intelligent cleaning robot mostly use a brush plate, and the brush plate brush has a small contact area with the ground, and the cleaning is not clean enough and the efficiency is low.

Utility model content

The purpose of the embodiments of the present invention is to provide a roller brush structure for a cleaning robot and a cleaning robot, which can improve cleaning effect and cleaning efficiency.

For this purpose, the embodiment of the present utility model adopts the following technical solutions:

A roller brush structure for a cleaning robot, comprising:

roller brush;

The water storage tank is arranged above the rolling brush and extends along the length direction of the rolling brush, the water storage tank has a water storage cavity, and the top of the water storage tank is provided with Connected water inlets, the side wall of the water storage cavity is provided with a plurality of overflow ports, and the plurality of the overflow ports are distributed along the length direction of the water storage tank, and the water storage tank is located in the water storage tank. The side of the cavity is provided with a water outlet groove extending along its own length direction, the water outlet groove is communicated with the overflow port, and the water outlet groove is located above the roller brush.

As a preferred technical solution of the roller brush structure for cleaning robots, the roller brush includes an active roller brush and a driven roller brush, the active roller brush is driven to rotate by a driving member, and the active roller brush is connected to the driven roller brush. The brushes are connected by a synchronous belt;

The two opposite side walls of the water storage cavity are provided with a plurality of the overflow ports, and the water storage tank is provided with the water outlet grooves extending along its own length direction on both sides of the water storage cavity. And each of the water outlet grooves is communicated with the overflow port on the side wall corresponding to the water storage cavity, and the two water outlet grooves are respectively located above the active rolling brush and the driven rolling brush.

As a preferred technical solution of the roller brush structure used for cleaning robots, a groove wall of the water outlet groove is provided between the overflow port and the water outlet of the water outlet groove extending along the length direction of the water storage tank. Flood slope.

As a preferred technical solution of the roller brush structure for cleaning robots, both the active roller brush and the driven roller brush include a roller body and a floor scrubbing layer wrapped on the roller body.

A cleaning robot includes the roller brush structure for a cleaning robot as described in any of the above solutions.

As the preferred technical solution of the cleaning robot, the cleaning robot also includes:

a chassis, the lower end of the chassis is provided with a walking assembly and the rolling brush structure;

The water tank structure is arranged on the upper end of the chassis, and the water tank structure is used for storing and providing the clean water required by the rolling brush structure, and collecting and storing the sewage after the rolling brush structure cleans the ground.

As a preferred technical solution for the cleaning robot, the water tank structure includes:

A water tank, a partition plate is slidably arranged in the water tank, and the partition plate divides the water tank into a clean water cavity and a sewage cavity distributed up and down, and the partition plate can change with the change of the water volume in the clean water cavity. move.

As a preferred technical solution of the cleaning robot, an elastic member is arranged between the partition plate and the bottom wall of the sewage chamber or between the partition plate and the top wall of the water purification chamber. When the water is in the water, the baffle can move in the direction of compressing the volume of the sewage chamber under the pressure of the clean water; when the amount of water in the clean water chamber decreases, the baffle can move in the direction of the elastic member. Under the restoring force, it moves in the direction of compressing the volume of the water purification chamber.

As a preferred technical solution of the cleaning robot, the outer peripheral wall of the partition plate is provided with a sealing ring.

As a preferred technical solution for the cleaning robot, the water tank is provided with a clean water empty tank detection sensor and a clean water full tank detection sensor, and the clean water empty tank detection sensor and the clean water full tank detection sensor are respectively used to detect the The upper limit position and the lower limit position of the partition plate moving in the water tank, the clean water empty tank detection sensor and the clean water full tank detection sensor are both electrically connected to the control unit, and the clean water empty tank detection sensor and the clean water full tank detection sensor is respectively used to provide the signal of starting water inflow and stopping water inflow of the clean water chamber.

As a preferred technical solution for the cleaning robot, the water tank structure further includes:

a water purification water inlet assembly, used for providing purified water into the water purification chamber;

a water-purifying water outlet assembly, used for guiding the water in the water-purifying chamber to the rolling brush structure;

a sewage collection component for collecting the sewage after cleaning the ground into the sewage cavity;

The sewage discharge component is used to discharge the sewage collected in the sewage cavity.

The beneficial effects of the embodiment of the present utility model:

The roller brush structure for cleaning robots provided by the embodiment of the present invention includes a roller brush and a water storage tank, and adopts the form of a roller brush, which increases the contact area between the brush disc and the ground, and the water storage tank can store water It is evenly guided to the roller brush, which improves the cleaning effect and cleaning efficiency.

Description of drawings

1 is a schematic structural diagram of an intelligent cleaning robot system provided by an embodiment of the present invention;

2 is a cross-sectional view of an intelligent cleaning robot system provided by an embodiment of the present invention;

3 is a schematic structural diagram of a cleaning robot according to an embodiment of the present invention from a first perspective;

4 is a schematic structural diagram of a cleaning robot according to an embodiment of the present invention from a second perspective;

5 is a schematic structural diagram of the cleaning robot according to the embodiment of the present invention after the front cover is removed;

6 is a cross-sectional view of a cleaning robot involved in an embodiment of the present invention;

7 is a schematic structural diagram of a roller brush structure involved in an embodiment of the present invention;

8 is a cross-sectional view of the roller brush structure according to the embodiment of the present invention.

In the picture:

10. Chassis; 11. Horizontal plate; 12. Vertical plate; 13. Supporting frame;

21. Left traveling wheel; 22. Right traveling wheel; 23. Left traveling drive motor; 24. Right traveling drive motor; 25. Front universal wheel; 26. Rear universal wheel;

30, rolling brush structure; 31, active rolling brush; 32, driven rolling brush; 33, timing belt; 34, water storage tank; 341, water inlet; 342, water storage cavity; 343, overflow port; 344, water outlet ; 345, flood slope;

40, water tank structure; 41, water tank; 411, partition plate; 412, water purification chamber; 413, sewage chamber; 414, elastic part; 42, water purification water inlet assembly; 421, water purification water inlet pipe; 422, first pass Break valve; 43, sewage discharge assembly; 431, first sewage drain pipe; 432, second sewage drain pipe; 433, second on-off valve; 441, water outlet compression pipe; 442, first water outlet hard pipe ; 443, water pump; 444, the second water purification water outlet hard pipe; 445, flow control valve; 451, air extraction and compression pipe; 452, air extraction hard pipe; 453, vacuum pump; Sewage suction pipe; 456, suction rake;

50. Front cover;

60. Battery; 61. Second charging contact pad;

70. Control unit;

100. Cleaning robot;

200, indoor; 201, sewage outlet; 202, automatic faucet; 203, first charging contact panel; 204, position sensing sensor.

Detailed ways

The technical solutions of the embodiments of the present utility model are further described below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, the accompanying drawings only show some but not all of the related embodiments of the present invention.

In the description of the embodiments of the present utility model, unless otherwise expressly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In the embodiments of the present invention, unless otherwise expressly specified and limited, the first feature "on" or "under" the second feature may include the first and second features in direct contact, or may include the first and second features. The second feature is not in direct contact but is in contact through another feature between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of the embodiments of the present invention, the terms “upper”, “lower”, “left”, “right”, etc. are based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of description and The operation is simplified, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first" and "second" are only used for distinction in description, and have no special meaning.

As shown in FIG. 1 , an embodiment of the present invention provides an intelligent cleaning robot system, including a cleaning robot 100 and an automatic replenishment position, wherein the cleaning robot 100 can automatically clean the floor of the indoor 200; the automatic replenishment position is set in the indoor 200, The cleaning robot 100 can automatically complete the actions of discharging sewage, replenishing purified water, and replenishing electric energy at the automatic replenishment position, so as to completely separate from human participation and truly realize the behavior of robots replacing humans.

Specifically, as shown in FIG. 2 , the automatic replenishment position is provided with a sewage outlet 201 , an automatic faucet 202 , a first charging contact panel 203 and a position sensing sensor 204 , and the cleaning robot 100 is provided with clean water that can be connected to the automatic faucet 202 . The water inlet assembly 42, the sewage discharge assembly 43 that can be connected to the sewage outlet 201, the second charging contact pad 61 that can be connected to the first charging contact pad 203 for charging, and the battery 60 that is electrically connected to the second charging contact pad 61. The water inlet assembly 42 includes a clean water inlet pipe 421 and a first on-off valve 422 arranged on the clean water inlet pipe 421, and the sewage discharge assembly 43 includes a sewage drain pipe and a second on-off valve 433 arranged on the sewage drain pipe , the position sensing sensor 204 , the first on-off valve 422 and the second on-off valve 433 are all electrically connected to the control unit 70 . When the cleaning robot 100 is running out of power, running out of clean water and/or full of sewage, the cleaning robot 100 will automatically go to the automatic replenishment position. When the position sensing sensor 204 senses that the cleaning robot 100 has reached the automatic replenishment position, it will send a signal to the automatic replenishment position. The control unit 70, after receiving the signal, the control unit 70 will control the first on-off valve 422 and the second on-off valve 433 to open, the sewage in the sewage chamber 413 is discharged to the sewage outlet 201 through the sewage drain pipe, and the automatic faucet 202 is clean. The water enters the water purification chamber 412 through the water purification water inlet pipe 421 , and at the same time, the first charging contact pad 203 and the second charging contact pad are docked to supplement the battery 60 with electric energy.

Specifically, as shown in FIGS. 3 to 6 , the cleaning robot 100 includes a chassis 10 , a walking assembly, a rolling brush structure 30 and a water tank structure 40 . Wherein, the chassis 10 includes a horizontal plate 11 and a vertical plate 12 vertically arranged on the horizontal plate 11. The walking assembly and the rolling brush structure 30 are arranged on the lower end of the horizontal plate 11. The walking assembly is used to drive the chassis 10 to walk, and the rolling brush structure 30 is used for The ground is cleaned when the chassis 10 is running; the water tank structure 40 is arranged on the upper end of the horizontal plate 11 and on one side of the vertical plate 12, and the water tank structure 40 is used to store and provide the clean water required by the rolling brush structure 30, and Collect and store the sewage after the roller brush structure 30 cleans the ground.

The travel assembly includes a left travel wheel 21, a right travel wheel 22, a left travel drive motor 23 that drives the left travel wheel 21, and a right travel drive motor 24 that drives the right travel wheel 22. The cleaning robot 100 can be moved forward and backward through the above travel assembly. and steering, etc. Preferably, the walking assembly further includes a front universal wheel 25 and a rear universal wheel 26, and the front universal wheel 25 and the rear universal wheel 26 can enable the cleaning robot 100 to smoothly implement the steering action.

The water tank structure 40 includes a water tank 41, the above-mentioned clean water inlet component 42, a clean water outlet component, a sewage collection component and the above-mentioned sewage discharge component 43. The water tank 41 is used to store clean water and sewage, and the clean water inlet component 42 is used to The clean water cavity 412 of the water tank 41 provides clean water, the clean water outlet component is used to guide the clean water in the water clean cavity 412 of the water tank 41 to the rolling brush structure 30, and the sewage collection component is used to clean the ground after the rolling brush structure 30. The sewage is collected into the sewage chamber 413 of the water tank 41 , and the sewage discharge assembly 43 is used to discharge the sewage collected in the sewage chamber 413 of the water tank 41 .

The water tank 41 is an integral box body, and the water tank 41 is slidably provided with a partition 411 . move with changes in the amount of water. In this embodiment, an elastic member 414 is arranged between the partition 411 and the bottom wall of the sewage chamber 413 or between the partition 411 and the top wall of the water purification chamber 412; when the water purification chamber 412 enters the water, the partition 411 It can move in the direction of compressing the volume of the sewage chamber 413 under the pressure of the clean water; when the water volume in the clean water chamber 412 decreases, the baffle 411 can compress the water clean chamber under the restoring force of the elastic member 414 412 moves in the direction of the volume. By arranging the partition plate 411 in the integral box body, the integrated box body can be divided into the water purification chamber 412 and the sewage chamber 413 arranged up and down. In addition, the partition plate 411 is arranged to be slidably connected to the inner wall of the water tank 41, and at the same time The elastic member 414 can make the volumes of the water purification chamber 412 and the sewage chamber 413 in a state of dynamic change, so that the volumes of the water purification chamber 412 and the sewage chamber 413 can basically reach the volume of the integral box, which greatly increases the water purification. The volumes of the cavity 412 and the sewage cavity 413 are increased, thereby increasing the battery life of the cleaning operation of the cleaning robot 100 and improving the efficiency of the cleaning operation. In other embodiments, the partition plate 411 can also be driven to move by a driving component, and a sensor is provided in the water purification chamber 412. The sensor can detect the amount of water in the water purification chamber 412, which can be a water level detection sensor or a weight sensor. The sensor is detected, the driving component is connected in communication with the sensor, and the driving component drives the partition plate 411 according to the detection signal of the sensor. When the sensor detects that the amount of water in the clean water chamber 412 increases, the drive assembly drives the partition plate 411 to move in the direction of compressing the volume of the sewage chamber 413; when the sensor detects that the amount of water in the clean water chamber 412 decreases, the drive assembly drives The partition plate 411 moves in the direction of compressing the volume of the clean water chamber 412 . The specific form of the driving assembly is not listed here, and any form that can realize the movement of the driving partition 411 may be used.

Preferably, the outer peripheral wall of the partition plate 411 is provided with a sealing ring to prevent the purified water in the clean water chamber 412 from mixing into the sewage chamber 413 and the sewage in the sewage chamber 413 from mixing into the clean water chamber 412 . Preferably, the bottom of the water tank 41 is provided with a mounting groove for placing the battery 60 and for passing the pipeline.

Preferably, the water tank 41 is provided with a clean water empty tank detection sensor and a clean water full tank detection sensor, and the clean water empty tank detection sensor and the clean water full tank detection sensor are respectively used to detect the upper limit of the movement of the partition 411 in the water tank 41 The position and the lower limit position, the clean water empty tank detection sensor and the clean water full tank detection sensor are all electrically connected to the control unit 70, and the clean water empty tank detection sensor and the clean water full tank detection sensor are respectively used to provide the start of the clean water chamber 412 Incoming water and signal to stop water ingress. When the clean water empty tank detection sensor detects that the partition plate 411 is at the upper limit position, it indicates that the clean water is exhausted. After receiving the signal, the control unit 70 will control the cleaning robot 100 to return to the automatic replenishment position, and control the clean water to enter the water. The first on-off valve 422 of the component 42 is opened for replenishment; when the clean water full tank detection sensor detects that the partition 411 is at the lower limit position, it indicates that the clean water is full, and the control unit 70 will control the first after receiving the signal. An on-off valve 422 is closed, and controls the cleaning robot 100 to continue the cleaning operation.

The clean water inlet assembly 42 includes a clean water inlet pipe 421 and a first on-off valve 422. One end of the clean water inlet pipe 421 is communicated with the clean water chamber 412, and the other end can be connected to the automatic faucet 202 of the automatic replenishment position, so that the inside of the faucet is connected. The water can flow into the clean water chamber 412 through the clean water inlet pipe 421; the first on-off valve 422 is electrically connected to the control unit 70, and the control unit 70 can control the opening and closing of the first on-off valve 422, thereby controlling the clean water inlet pipe 421 on and off.

The water purification and water outlet assembly includes a water purification water outlet compression pipe 441, a first water purification water outlet hard pipe 442, a water pump 443, a second water purification water outlet hard pipe 444, a flow regulating valve 445 and a third on-off valve, and the water purification water outlet compression pipe 441 It is arranged between the partition plate 411 and the bottom wall of the sewage chamber 413, and one end of the water purification outlet compression pipe 441 connected to the partition plate 411 is connected to the water purification chamber 412, and one end of the first water purification water outlet hard pipe 442 is connected to the purified water outlet. One end of the compression pipe 441 is connected to the bottom wall of the sewage cavity 413, and the other end is connected to the water inlet 341 of the water pump 443 after passing through the groove wall of the installation groove and the vertical plate 12, and the water outlet of the water pump 443 is connected with the second water purification water outlet hard pipe One end of 444 is connected, and the other end of the second water purification outlet pipe is communicated with the rolling brush structure 30 after passing through the horizontal plate 11. The flow regulating valve 445 and the third on-off valve are arranged on the first water purification water outlet hard pipe 442 or the second On the clean water outlet hard pipe 444 , the flow regulating valve 445 and the third on-off valve are both electrically connected to the control unit 70 . After the water pump 443 is started, the clean water in the water purification chamber 412 will flow to the rolling brush structure 30 through the water purification water outlet compression pipe 441, the first water purification water outlet hard pipe 442 and the second water purification water outlet hard pipe 444, and pass through the third water purification water outlet hard pipe 444. The on-off valve can control the on-off of the water flow, and the flow regulating valve 445 can adjust the size of the water flow. By arranging the water purification water outlet compression pipe 441 between the partition plate 411 and the bottom wall of the sewage chamber 413, the above water purification water outlet assembly can make the water purification water outlet compression pipe 441 freely expand and contract along with the movement of the partition plate 411, and through the The water outlet compression pipe 441 communicates with the water purification chamber 412 from the partition plate 411 , and can completely lead out the purified water in the water purification chamber 412 .

The sewage collection assembly includes an air suction and compression pipe 451, an air suction hard pipe 452, a vacuum pump 453, a fourth on-off valve 454, a sewage suction pipe 455 and a water suction rake 456. The air suction and compression pipe 451 is arranged on the partition 411 and the water purification chamber. 412, and one end of the suction and compression pipe 451 connected to the partition 411 is communicated with the sewage cavity 413, and the other end is communicated with one end of the suction pipe 452, and the other end of the suction pipe 452 passes through the purified water. The cavity wall of the cavity 412 and the vertical plate 12 are communicated with the vacuum pump 453. The fourth on-off valve 454 is arranged on the air suction pipe 452. One end of the sewage suction pipe 455 is communicated with the sewage cavity 413, and the other end passes through the horizontal plate 11. Afterwards, it communicates with the interior of the suction rake 456 disposed at the lower end of the chassis 10 . The suction rake 456 is in the prior art, and its working principle will not be described in detail here. The fourth on-off valve 454 is electrically connected to the control unit 70 . When collecting sewage, first start the vacuum pump 453 to vacuum the sewage chamber 413, and then the sewage in the suction rake 456 will enter the sewage chamber 413 through the suction pipe 455 under the action of negative pressure. By arranging the suction and compression pipe 451 between the baffle 411 and the top wall of the clean water chamber 412 in the above sewage collection assembly, the suction and compression pipe 451 can be freely expanded and contracted with the movement of the baffle 411, and by compressing the suction The pipe 451 communicates with the sewage chamber 413 from the partition plate 411 , so that the vacuuming of the sewage chamber 413 is not affected by the amount of sewage in the sewage chamber 413 .

The sewage discharge assembly 43 includes a sewage drainage pipe and a second on-off valve 433. One end of the sewage drainage pipe is connected to the sewage cavity 413, and the other end can be connected to the sewage outlet 201 of the automatic replenishment position, so that the sewage collected in the sewage cavity 413 can be connected to the sewage cavity 413. The sewage is discharged to the sewage outlet 201 through the sewage drainage pipe; the second on-off valve 433 is electrically connected to the control unit 70, and the control unit 70 can control the opening and closing of the second on-off valve 433, thereby controlling the on-off of the sewage drainage pipe. Preferably, the sewage drainage pipe includes a first sewage drainage pipe 431 and a second sewage drainage pipe 432 , the first sewage drainage pipe 431 is U-shaped, and the upper ends of the two vertical pipes of the first sewage drainage pipe 431 are both communicated with the sewage cavity 413 The horizontal pipe of the first sewage drainage pipe 431 is located below the horizontal plate 11 , one end of the second sewage drainage pipe 432 is connected to the middle of the first sewage drainage pipe 431 , and the other end can be connected to the sewage outlet 201 . Through the above arrangement, the sewage drain pipe can provide a space to avoid the placement of the battery 60 , and the battery 60 can be placed between the two vertical pipes of the first sewage drain pipe 431 .

The upper end of the horizontal plate 11 is provided with a front cover 50 on the other side of the vertical plate 12 to cover part of the structure of the water purification and outlet assembly, part of the structure of the sewage collection assembly and the control unit 70, so as to make the appearance more neat. Preferably, a support frame 13 is connected to the horizontal plate 11 and the vertical plate 12 to provide an installation support force for the front cover 50 and improve the installation strength of the front cover 50 .

As shown in FIGS. 7 and 8 , the rolling brush structure 30 includes a rolling brush and a water storage tank 34, wherein the rolling brush is rotatably connected to the chassis 10; Extending along the length direction of the roller brush, the water storage tank 34 has a water storage cavity 342. The top of the water storage tank 34 is provided with a water inlet 341 that communicates with the water storage cavity 342. The two purifying water outlet hard pipes 444 are connected to each other. The side wall of the water storage cavity 342 is provided with a plurality of water overflow ports 343, and the plurality of water overflow ports 343 are spaced along the length direction of the water storage tank 34. The water storage tank 34 is located in the water storage cavity. The side of 342 is provided with a water outlet groove 344 extending along its own length direction. The contact area between the roller brush and the ground is large, and the water storage tank 34 can guide the water to the roller brush evenly, which improves the cleaning effect and the cleaning efficiency.

Further, the rolling brush includes an active rolling brush 31 and a driven rolling brush 32, the active rolling brush 31 is driven to rotate by a driving member, and the active rolling brush 31 and the driven rolling brush 32 are connected by a synchronous belt 33; The two opposite side walls are provided with a plurality of overflow ports 343. The water storage tank 34 is provided with water outlet grooves 344 extending along its own length direction on both sides of the water storage cavity 342. The overflow port 343 on the side wall of the water cavity 342 is communicated with each other, and the two water outlet grooves 344 are located above the active rolling brush 31 and the driven rolling brush 32 respectively. Through the above arrangement, the cleaning area can be further increased, thereby further improving the cleaning effect and cleaning efficiency.

In this embodiment, preferably, between the overflow port 343 and the water outlet of the water outlet groove 344 , a water flood slope 345 extending along the length direction of the water storage tank 34 is provided on the groove wall of the water outlet groove 344 . By arranging the flooding slope 345, the purified water can flow slowly and steadily, so that it can be evenly and stably sprinkled on the roller brush.

In this embodiment, preferably, both the active roller brush 31 and the driven roller brush 32 include a roller body and a scrubbing layer covered on the roller body, and the scrubbing layer can be a hard sponge or nylon fabric, which can be used to wipe the floor substance.

Obviously, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included within the protection scope of the claims of the present utility model.

Claims (11)

1. a roller brush structure for cleaning robot, is characterized in that, comprises: roller brush; A water storage tank (34) is arranged above the rolling brush and extends along the length direction of the rolling brush, the water storage tank (34) is provided with a water storage cavity (342), and the water storage tank ( 34) A water inlet (341) communicated with the water storage cavity (342) is provided at the top of the The overflow ports (343) are distributed at intervals along the length direction of the water storage tank (34), and the water storage tank (34) is provided with an outlet extending along its own length direction on the side of the water storage cavity (342). A water tank (344), the water outlet groove (344) is communicated with the overflow port (343), and the water outlet groove (344) is located above the roller brush. 2. The roller brush structure for cleaning robots according to claim 1, wherein the roller brush comprises an active roller brush (31) and a driven roller brush (32), and the active roller brush (31) Driven to rotate by a driving member, the active roller brush (31) and the driven roller brush (32) are connected by a synchronous belt (33); The two opposite side walls of the water storage cavity (342) are provided with a plurality of the overflow ports (343), and the water storage tank (34) is provided with both sides of the water storage cavity (342). the water outlet grooves (344) extending along its own length direction, and each of the water outlet grooves (344) communicates with the overflow port (343) on the side wall corresponding to the water storage cavity (342) , the two water outlet grooves (344) are respectively located above the active rolling brush (31) and the driven rolling brush (32). 3. The roller brush structure for cleaning robots according to claim 1 or 2, wherein the water outlet groove (344) has a groove wall on the overflow port (343) and the water outlet groove (344). A flood slope (345) extending along the length direction of the water storage tank (34) is provided between the water outlets of the ) . 4. The roller brush structure for a cleaning robot according to claim 2, characterized in that, both the active roller brush (31) and the driven roller brush (32) comprise a roller body and are covered on the The scrubbing layer on the drum body. 5. A cleaning robot, characterized in that it comprises the roller brush structure (30) for a cleaning robot according to any one of claims 1-4. 6. The cleaning robot according to claim 5, wherein the cleaning robot further comprises: a chassis (10), the lower end of the chassis (10) is provided with a walking assembly and the rolling brush structure (30); A water tank structure (40) is provided on the upper end of the chassis (10), and the water tank structure (40) is used for storing and providing the clean water required by the roller brush structure (30), as well as collecting and storing the rollers The brush structure (30) cleans the sewage after the ground. 7. The cleaning robot according to claim 6, wherein the water tank structure (40) comprises: A water tank (41), wherein a partition plate (411) is slidably provided in the water tank (41), and the partition plate (411) divides the water tank (41) into a clean water chamber (412) distributed up and down and sewage A cavity (413), the partition plate (411) can move with the change of the water volume in the water purification cavity (412). 8. The cleaning robot according to claim 7, characterized in that, between the partition plate (411) and the bottom wall of the sewage chamber (413) or between the partition plate (411) and the water purification chamber An elastic member (414) is arranged between the top walls of (412), and when water enters the water purification chamber (412), the partition plate (411) can compress the sewage chamber under the pressure of the purified water. (413) moves in the direction of the volume; when the amount of water in the clean water chamber (412) decreases, the partition plate (411) can compress the clean water under the restoring force of the elastic member (414). The direction of the volume of the water chamber (412) moves. 9 . The cleaning robot according to claim 7 , wherein a sealing ring is provided on the outer peripheral wall of the partition plate ( 411 ). 10 . 10. The cleaning robot according to claim 7, wherein a clean water empty tank detection sensor and a clean water full tank detection sensor are provided in the water tank (41), and the clean water empty tank detection sensor and the The clean water full tank detection sensor is respectively used to detect the upper limit position and the lower limit position of the partition plate (411) moving in the water tank (41), the clean water empty tank detection sensor and the clean water full tank The detection sensors are all electrically connected to the control unit (70), and the clean water empty tank detection sensor and the clean water full tank detection sensor are respectively used to provide the water supply starting and stopping of the water supply in the clean water cavity (412). Signal. 11. The cleaning robot according to any one of claims 7-10, wherein the water tank structure (40) further comprises: a clean water inlet assembly (42) for providing clean water into the water clean chamber (412); a water-purifying water outlet assembly, used for guiding the water in the water-purifying chamber (412) to the rolling brush structure (30); a sewage collection component for collecting the sewage after cleaning the ground into the sewage cavity (413); The sewage discharge assembly (43) is used to discharge the sewage collected in the sewage cavity (413).

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