CN216417068U

CN216417068U - Maintenance base station and cleaning robot system

Info

Publication number: CN216417068U
Application number: CN202120336247.6U
Authority: CN
Inventors: 周林林; 李军
Original assignee: Shenzhen Silver Star Intelligent Technology Co Ltd
Current assignee: Shenzhen Silver Star Intelligent Group Co Ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2022-05-03
Anticipated expiration: 2031-02-05

Abstract

The utility model provides a maintain basic station and cleaning machines people system, it is used for maintaining cleaning machines people to maintain the basic station, it has the loading end and concavely establishes a pair of first constant head tank and second constant head tank on the loading end to maintain the basic station, the loading end is used for bearing cleaning machines people, a pair of first constant head tank is used for respectively with a pair of walking wheel location fit of cleaning machines people, the second constant head tank extends along the relative direction who is on a parallel with a pair of first constant head tank, the extending direction of second constant head tank sets up side by side with the relative direction of a pair of first constant head tank, the second constant head tank is used for with cleaning machines people's cleaning roller location fit. On one hand, the structure prevents the cleaning roller of the cleaning robot from slipping relative to the bearing surface and expanding a pollution area on the bearing surface; on the other hand, when the cleaning robot is used for maintaining the butt joint of the base station, sewage stains on the cleaning roller can be accumulated in the second positioning groove under the action of gravity or external force, and the problem that the sewage stains overflow to the surface of the base station to cause pollution is avoided.

Description

Maintenance base station and cleaning robot system

Technical Field

The application relates to the field of cleaning equipment, in particular to a maintenance base station and a cleaning robot system.

Background

With the development of economy and the improvement of living standard, various cleaning robots are widely used in household cleaning tasks, such as floor sweeping robots, floor washing robots or glass wiping robots. For a cleaning robot with a cleaning roller, a large amount of sewage and stains may be attached to the cleaning roller of the cleaning robot in the cleaning process, and when the cleaning robot is butted with a base station, the surface of the base station is easily and repeatedly polluted.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a maintain basic station and cleaning machines people system to the cleaning roller that solves cleaning machines people probably attaches sewage and spot in the cleaning process, when cleaning machines people docks with the basic station, easily relapses the technical problem who causes the pollution to the surface of basic station.

The embodiment of the application provides a maintain basic station, maintain basic station have the loading end and concavely locate a pair of first constant head tank and second constant head tank on the loading end, the loading end is used for bearing cleaning machines people, a pair of first constant head tank be used for respectively with cleaning machines people's a pair of walking wheel location coordination, the second constant head tank is along being on a parallel with the relative direction of a pair of first constant head tank extends, the extending direction of second constant head tank with the relative direction of a pair of first constant head tank sets up side by side, the second constant head tank is used for the part to accept cleaning machines people's cleaning roller.

The embodiment of the application also provides a cleaning robot system, which comprises the maintenance base station.

Different from the prior art, the maintenance base station is provided with a bearing surface and a pair of first positioning grooves and a second positioning groove which are concavely arranged on the bearing surface, the pair of first positioning grooves are used for being respectively in positioning fit with a pair of travelling wheels of the cleaning robot, the cleaning robot can stay on the maintenance base station and extend along the opposite direction parallel to the pair of first positioning grooves through the second positioning groove, the extending direction of the second positioning groove is arranged side by side with the opposite direction of the pair of first positioning grooves, and the second positioning groove can be in positioning fit with a cleaning roller of the cleaning robot, so that on one hand, the cleaning roller of the cleaning robot can be prevented from slipping relative to the bearing surface to expand a pollution area on the bearing surface; on the other hand, when the cleaning robot is in butt joint with the maintenance base station, sewage stains on a cleaning roller of the cleaning robot can be accumulated in the second positioning groove under the action of gravity or external force, so that the sewage stains attached to the cleaning roller of the cleaning robot are reduced, a good self-cleaning effect is achieved, and the sewage stains are prevented from overflowing to the surface of the base station to cause pollution.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

Fig. 1 is a first schematic structural diagram of a cleaning robot system according to an embodiment of the present disclosure;

FIG. 2 is a schematic longitudinal cross-sectional structural view of a cleaning robot provided in an embodiment of the present application;

fig. 3 is a first schematic structural diagram of a maintenance base station according to an embodiment of the present application;

FIG. 4 is an enlarged schematic view at A in FIG. 3;

FIG. 5 is an enlarged schematic view at B in FIG. 3;

fig. 6 is a schematic structural diagram of a cleaning robot system according to an embodiment of the present disclosure;

fig. 7 is a partial structural schematic view of a cleaning robot system according to an embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of a maintenance base station according to an embodiment of the present application;

FIG. 9 is an enlarged schematic view at C of FIG. 7;

fig. 10 is a schematic structural diagram of a maintenance base station according to an embodiment of the present application;

fig. 11 is a schematic structural diagram of a maintenance base station according to an embodiment of the present application;

fig. 12 is a schematic structural diagram of a cleaning robot system according to an embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that, if not conflicted, the various features of the embodiments of the present application may be combined with each other within the scope of protection of the present application. Additionally, while functional block divisions are performed in apparatus schematics, with logical sequences shown in flowcharts, in some cases, steps shown or described may be performed in sequences other than block divisions in apparatus or flowcharts. In addition, the words "first", "second", "third", and the like used herein do not limit the data and execution order, but merely distinguish the same items or similar items having substantially the same functions and actions.

Referring to fig. 1 and 2, an embodiment of the present application provides a cleaning robot system 300, where the cleaning robot system 300 includes a cleaning robot 200 and a maintenance base station 100.

For the cleaning robot 200 provided in the embodiment of the present application, it can be understood that the cleaning robot 200 may be any one of a sweeping robot, a sweeping and mopping integrated robot, a floor washing robot, a floor wiping robot, and the like.

The cleaning robot 200 includes a robot main body 50. The robot main body 50 is a main body part of the cleaning robot 200, and the robot main body 50 may have any one shape, such as a circular shape, a rectangular shape, or a D-shape, and is not limited thereto. In an alternative embodiment, the robot main body 50 may also be in other design configurations, for example, the robot main body 50 is an integrally molded structure or a structure separately provided from left to right, and the material, shape, structure, and the like of the main body are not limited in the embodiment of the present application.

The robot main body 50 may include a chassis 52 and an upper cover assembly 53, the upper cover assembly 53 being detachably mounted on the chassis 52 to protect various functional components inside the cleaning robot 200 from being damaged by violent impacts or unintentionally dripped liquid during use; the chassis 52 and/or the upper cover assembly 53 are used to carry and support various functional components. The surface of the upper cover assembly 53 facing away from the chassis 52 forms an appearance surface, which can improve the overall appearance of the cleaning robot 200, and the appearance surface can be provided with keys, so that a user can conveniently operate the cleaning robot 200 through the keys. The installation cavity is formed between the chassis 52 and the upper cover assembly 53, and the installation cavity is used for providing arrangement space for internal devices of the cleaning robot 200. The cleaning robot 200 may arrange a vacuum pump, a circuit board, a floor detection sensor, a collision detection sensor, a wall sensor, and the like in the installation cavity.

The cleaning robot 200 comprises a walking mechanism 400 mounted on the chassis 52, the walking mechanism 400 comprises a pair of walking wheels 54, at least one universal wheel 55 and a motor for driving the wheels to rotate, the pair of walking wheels 54 and the at least one universal wheel 55 at least partially protrude out of the bottom of the chassis 52, for example, under the action of the self weight of the cleaning robot 200, the pair of walking wheels 54 can be partially hidden in the chassis 52. In an alternative embodiment, the travel mechanism may further include any one of a track triangle wheel, a Mecanum wheel, and the like. The running gear may also not comprise the at least one castor 55.

The cleaning robot 200 further includes a cleaning roller 56 and a driving device, the cleaning roller 56 is rotatably connected to the chassis 52, the cleaning roller 56 is driven by a motor to rotate relative to the chassis 52, and a rotation axis of the cleaning roller 56 is parallel to a plane of the chassis 52. The cleaning roller 56 is at least partially accommodated in a groove of the chassis 52, wherein a channel communicated with the cleaning container 51 is formed on a groove wall of the groove of the chassis 52, the channel is communicated with the cleaning container 51 and the fan assembly of the cleaning robot 200, and the cleaning roller 56 can take up sewage and garbage on the ground in the rotating process, and then the sewage and the garbage are absorbed by the negative pressure provided by the fan assembly to pass through the channel and then enter the cleaning container 51. The cleaning robot 200 further includes a cleaning receptacle 51 detachably coupled to the robot main body 50. The cleaning container 51 is used for storing clean water or cleaning liquid, and the liquid in the cleaning container 51 can be delivered to the cleaning roller 56 by an air pump or a water pump, so that the cleaning roller 56 is wetted, and the cleaning effect is improved.

The cleaning robot 200 may be designed to autonomously plan a path on the ground, or may be designed to move on the ground in response to a remote control command. Cleaning robot 200 can navigate through one of them or several kinds of combinations such as gyroscope, accelerometer, camera, GPS location and/or laser radar, for example, cleaning robot 200 can set up laser radar at the top surface protrusion, scans the collection barrier data to the surrounding environment through laser radar, establishes the environment map according to barrier data, can fix a position in real time according to the environment map, is convenient for plan clean route.

The cleaning robot 200 may autonomously navigate to the maintenance base station 100, so that the cleaning robot 200 and the maintenance base station 100 complete the docking, which is convenient for the maintenance base station 100 to maintain the cleaning robot 200.

For the maintenance base station 100 provided in the embodiment of the present application, the maintenance base station 100 is configured to perform maintenance on the cleaning robot 200, and the maintenance base station 100 may perform maintenance on any one or more of charging, cleaning medium replenishment, sewage recovery, cleaning garbage recovery, and the like on the cleaning robot 200.

Referring to fig. 2, 3 and 6, the maintenance base station 100 has a carrying surface 10 and a pair of first positioning grooves 20 and a second positioning groove 30 concavely disposed on the carrying surface 10, the carrying surface 10 is used for carrying the cleaning robot 200, the pair of first positioning grooves 20 are used for being respectively positioned and matched with a pair of traveling wheels of the cleaning robot 200, the second positioning groove 30 extends in a direction parallel to the pair of first positioning grooves 20, the extending direction of the second positioning groove 30 is arranged side by side with the opposite direction of the pair of first positioning grooves 20, and the second positioning groove 30 is used for partially accommodating the cleaning roller 56 of the cleaning robot 200.

Different from the prior art, the maintenance base station 100 has a bearing surface 10 and a pair of first positioning grooves 20 and a second positioning groove 30 concavely arranged on the bearing surface 10, the pair of first positioning grooves 20 are used for being respectively positioned and matched with a pair of traveling wheels of the cleaning robot 200, the cleaning robot 200 can stay on the maintenance base station 100, and the second positioning groove 30 extends along a direction parallel to the opposite direction of the pair of first positioning grooves 20, the extending direction of the second positioning groove 30 is arranged side by side with the opposite direction of the pair of first positioning grooves 20, the second positioning groove 30 can be positioned and matched with the cleaning roller 56 of the cleaning robot 200, on one hand, the cleaning roller 56 of the cleaning robot 200 can be prevented from slipping relative to the bearing surface 10 to expand a polluted area on the bearing surface 10; on the other hand, when the cleaning robot 200 is docked with the maintenance base station 100, the sewage stains on the cleaning roller 56 of the cleaning robot 200 can be accumulated in the second positioning groove 30 under the action of gravity or external force, so that the sewage stains attached to the cleaning roller 56 of the cleaning robot 200 are reduced, a good self-cleaning effect is achieved, and the sewage stains are prevented from overflowing to the surface of the base station to cause pollution.

In the present embodiment, the maintenance base station 100 includes a carrying base 13, a side casing 14 fixedly connected to the carrying base 13, and a charging assembly 15. The bearing seat 13 extends towards the horizontal direction, namely the bearing seat 13 expands the horizontal size of the base; the side casing 14 extends in the vertical direction, and the side casing 14 extends the height dimension of the base. The charging assembly 15 may be mounted on the carrying seat 13 or the side shell 14, but is not limited thereto, and the charging assembly 15 is used for interfacing with the cleaning robot 200 to further charge the cleaning robot 200. The maintenance base station 100 may install a recharge guide device 80 in the side casing 14, wherein the recharge guide device 80 is used for emitting an infrared guide signal to the outside, and guiding the cleaning robot 200 to be correctly docked with the maintenance base station 100 through the infrared guide signal, and the infrared guide signal may include a left infrared guide signal, a right infrared guide signal and a central infrared guide signal.

The carrying surface 10 is disposed on the carrying seat 13. Through the concave a pair of first positioning grooves 20 that are provided on the carrying surface 10, the pair of first positioning grooves 20 are used for positioning and matching with the pair of walking wheels 54 of the cleaning robot 200, respectively, so that the cleaning robot 200 can be prevented from slipping on the carrying surface 10. The second positioning groove 30 is used for partially accommodating the cleaning roller 56 of the cleaning robot 200, and sewage stains on the cleaning roller 56 of the cleaning robot 200 can be accumulated in the second positioning groove 30 under the action of gravity or external force, so that the sewage stains attached to the cleaning roller 56 of the cleaning robot 200 can be reduced, a good self-cleaning effect is realized, and the sewage stains are prevented from overflowing to the surface of the base station to cause pollution.

The pair of first positioning grooves 20 are spaced apart, and the spacing between the pair of first positioning grooves 20 is substantially equal to the spacing between the pair of traveling wheels 54 of the cleaning robot 200.

The second positioning groove 30 is long, and the length direction of the second positioning groove 30 is parallel to the opposite direction of the pair of first positioning grooves 20. The second positioning groove 30 is located adjacent to the side casing 14 with respect to the pair of first positioning grooves 20. The length of the second positioning groove 30 is greater than or equal to the length of the cleaning roller 56 of the cleaning robot 200.

The second positioning groove 30 has two short sides 31 and two long sides 32, the two short sides 31 are opposite to each other, the first positioning groove 20 is corresponding to each other, and the relative directions of the two short sides 31 and the relative directions of the two first positioning grooves 20 are arranged side by side. The two long sides 32 connect the two short sides 31, respectively.

The second positioning groove 30 has a predetermined depth to accommodate a certain amount of sewage stains. When the cleaning roller 56 of the cleaning robot 200 enters the second positioning groove 30, the cleaning roller 56 and the groove wall of the second positioning groove 30 generate a squeezing impact, and the liquid in the second positioning groove 30 may overflow to other areas of the carrying surface 10 and further flow onto the ground, thereby causing a large pollution.

Referring to fig. 7, 8 and 9, in order to solve the above problem, the maintenance base station 100 further has two anti-overflow structures 33 protruding on the bearing surface 10, the two anti-overflow structures 33 are both elongated protrusions, the length directions of the two anti-overflow structures 33 are both parallel to the extending direction of the second positioning slot 30, the two anti-overflow structures 33 are respectively located at two sides of the second positioning slot 30 and are respectively disposed near the two long sides 32, and the two anti-overflow structures 33 are used for abutting against the chassis 52 of the cleaning robot 200.

When the cleaning robot 200 is docked with the maintenance base station 100, the cleaning roller 56 is partially accommodated in the second positioning groove 30, the two anti-overflow structures 33 are attached to the chassis 52 of the cleaning robot 200 along the direction of the long edge 32, and the two anti-overflow structures 33 can close the gap between the chassis 52 of the cleaning robot 200 and the carrying surface 10, so that the two anti-overflow structures 33 can effectively prevent the liquid in the second positioning groove 30 from overflowing.

Referring to fig. 8, in some embodiments, the maintenance base station 100 further has two connecting structures 90 protruding on the carrying surface 10. Two connection structure 90 connect respectively two anti-overflow structure 33, two connection structure 90 with two anti-overflow structure 33 constitute the loop configuration, enclose close in the week side of second constant head tank 30. The two connecting structures 90 are both strip-shaped protrusions, and the heights of the two connecting structures 90 are consistent with the heights of the protrusions of the two anti-overflow structures 33. The two connecting structures 90 and the two overflow preventing structures 33 can be abutted against the chassis 52 of the cleaning robot 200 together, so as to prevent the liquid in the second positioning groove 30 from overflowing in all directions.

Referring to fig. 7 and 9, in some embodiments, the two overflow preventing structures 33 each have an inclined surface 34 connected to the long side 32, and the inclined surfaces 34 of the two overflow preventing structures 33 are arranged at an obtuse angle. In the present embodiment, when the cleaning roller 56 of the cleaning robot 200 enters the second positioning groove 30, the cleaning roller 56 and the groove wall of the second positioning groove 30 generate a squeezing impact, and the liquid can flow back into the second positioning groove 30 along the two inclined surfaces 34.

Referring to fig. 7 and 9, in some embodiments, the two anti-overflow structures 33 are elastic sealing portions, so that the two anti-overflow structures 33 are in sealing fit with the chassis 52 of the cleaning robot 200, and thus a better anti-overflow effect can be achieved. The two anti-overflow structures 33 may be any one of a silicone structure, a rubber structure, or a sealing cotton structure. In other embodiments, the two overflow preventing structures 33 are plastic structures, and the two overflow preventing structures are integrally disposed with the base.

Referring to fig. 3, 4, 5 and 9, in some embodiments, the second positioning groove 30 has an arc-shaped concave surface 35, the arc-shaped concave surface 35 forms a portion of the carrying surface 10, and a diameter of the arc-shaped concave surface 35 is greater than a diameter of the cleaning roller 56 of the cleaning robot 200, so that the cleaning roller 56 of the cleaning robot 200 is not completely attached to the arc-shaped concave surface 35, and a sufficient gap may be formed between the cleaning roller 56 of the cleaning robot 200 and the arc-shaped concave surface 35, which is beneficial to increase a capacity of the second positioning groove 30 for containing the sewage substances and prevent the sewage stains from overflowing to other positions of the carrying surface 10.

The second positioning groove 30 has two limiting side surfaces 36 which are oppositely arranged, the two limiting side surfaces 36 are respectively arranged corresponding to the two first positioning grooves 20, the two limiting side surfaces 36 and the arc concave surface 35 enclose to form the second positioning groove 30, and the two limiting side surfaces 36 are used for transversely limiting the cleaning roller 56 of the cleaning robot 200.

Referring to fig. 10, in some embodiments, one or more protrusions 37 are formed on the arc concave surface 35, and the one or more protrusions 37 are distributed on the arc concave surface 35 along the extending direction of the second positioning groove 30. The one or more protrusions 37 may interfere with the cleaning roller 56 of the cleaning robot 200, and support and press the cleaning roller 56 of the cleaning robot 200, so that the sewage stains may be effectively separated from the cleaning roller 56 of the cleaning robot 200 under the pressing action of the one or more protrusions 37, thereby enhancing the dewatering effect. Alternatively, the cleaning roller 56 of the cleaning robot 200 rotates and is pressed against and rubbed against the one or more protrusions 37, which may further enhance the dehydration effect and the cleaning effect.

Referring to fig. 11 and 12, in some embodiments, the bearing surface 10 is further concavely provided with wheel grooves 40, the wheel grooves 40 are distributed in a triangular manner with the pair of first positioning grooves 20, the wheel grooves 40 and the second positioning grooves 30 are respectively located at two sides of the pair of first positioning grooves 20 in the opposite direction, and the wheel grooves 40 are used for being positioned and matched with the universal wheels 55 of the cleaning robot 200.

In an embodiment, the carrier 13 has a front end 131 and a rear end 132 opposite to the front end 131. The carrying surface 10 extends from the leading end 131 toward the trailing end 132. The side shell 14 is fixed to the tail end 132 of the carrying seat 13. The second positioning groove 30 is located on the bearing surface 10 near the rear end 132, and the wheel groove 40 is located on the bearing surface 10 near the front end 131. The pair of first positioning grooves 20 are located between the second positioning grooves 30 and the wheel grooves 40, the center line direction of the pair of positioning grooves is defined as a first line direction, the center line direction of the second positioning grooves 30 and the wheel grooves 40 is defined as a second line direction, the first line direction and the second line direction are intersected, and the first line direction and the second line direction are approximately perpendicular to each other, so that the pair of first positioning grooves 20, the second positioning grooves 30 and the wheel grooves 40 can omnidirectionally limit the cleaning robot 200 on the horizontal plane, and the butt joint stability of the cleaning robot 200 and the maintenance base station 100 is improved.

Referring to fig. 11 and 12, in some embodiments, the carrying surface 10 includes a main carrying area 11 and an inclined area 12, the inclined area 12 is disposed in an inclined manner with respect to the main carrying area 11, the pair of first positioning grooves 20 and the second positioning grooves 30 are disposed in the main carrying area 11, and the inclined area 12 is used for carrying a universal wheel 55 of the cleaning robot 200.

In the present embodiment, the main bearing region 11 and the inclined region 12 are disposed adjacent to each other. The main carrying area 11 extends from the tail end 132 to the front end 131, the inclined area 12 extends from the front end 131 to the tail end 132, and a side of the main carrying area 11 away from the tail end 132 is adjacent to a side of the inclined area 12 away from the front end 131. The area of the main bearing area 11 is larger than that of the inclined area 12, and the bearing surface 10 provides a larger bearing area for the cleaning robot 200 through the main bearing area 11. The inclined area 12 is arranged obliquely with respect to the main carrying area 11, so that the part of the carrying seat 13 corresponding to the inclined area 12 is wedge-shaped, and the cleaning robot 200 can easily enter the main carrying area 11 through the inclined area 12.

Through the inclined area 12 for bearing the universal wheel 55 of the cleaning robot 200, the universal wheel 55 of the cleaning robot 200 can reside in the inclined area 12, on one hand, the occupied area of the cleaning robot 200 on the main bearing area 11 can be reduced, which is beneficial to reducing the overall structural size of the bearing seat 13 and reducing the manufacturing cost; on the other hand, the universal wheel 55 of the cleaning robot 200 resides in the inclined area 12, which increases the inclination degree of the cleaning robot 200 staying on the carrying seat 13, and is beneficial to assisting the cleaning robot 200 to rapidly and smoothly leave the carrying seat 13 against the resistance, and preventing the cleaning roller 56 of the cleaning robot 200 from being trapped in the second positioning groove 30.

Referring to fig. 11 and 12, further, the wheel grooves 40 are disposed in the inclined region 12, and the universal wheels 55 of the cleaning robot 200 are positioned and matched with the wheel grooves 40, so that the universal wheels 55 of the cleaning robot 200 can be prevented from slipping at the inclined region 12.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; within the context of the present application, where technical features in the above embodiments or in different embodiments can also be combined, the steps can be implemented in any order and there are many other variations of the different aspects of the present application as described above, which are not provided in detail for the sake of brevity; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. The utility model provides a maintain the basic station, maintain the basic station and be used for maintaining cleaning machines people, a serial communication port, maintain the basic station have the loading end and concavely locate a pair of first constant head tank and second constant head tank on the loading end, the loading end is used for bearing cleaning machines people, a pair of first constant head tank be used for respectively with cleaning machines people's a pair of walking wheel location coordination, the second constant head tank along being on a parallel with the relative direction in a pair of first constant head tank extends, the extending direction in second constant head tank with the relative direction in a pair of first constant head tank sets up side by side, the second constant head tank be used for with cleaning machines people's cleaning roller location coordination.

2. The maintenance base station as claimed in claim 1, wherein the second positioning slot has two short sides and two long sides, the two short sides are disposed opposite to each other and correspond to the first positioning slot, the two long sides are connected to the two short sides, the maintenance base station further has two anti-overflow structures protruding from the carrying surface, the two anti-overflow structures are elongated protrusions, the two anti-overflow structures have a length direction parallel to the extending direction of the second positioning slot, the two anti-overflow structures are disposed on two sides of the second positioning slot and close to the two long sides, respectively, and the two anti-overflow structures are configured to abut against the chassis of the cleaning robot.

3. The maintenance base station of claim 2, wherein the two anti-overflow structures each have an inclined surface connected to the long side, the inclined surfaces of the two anti-overflow structures being arranged at an obtuse angle.

4. The maintenance base of claim 2, wherein the two anti-overflow structures are resilient seals such that the two anti-overflow structures sealingly engage the chassis of the cleaning robot.

5. The maintenance station of claim 1, wherein the second positioning slot has an arcuate concave surface forming a portion of the carrying surface, the arcuate concave surface having a diameter greater than a diameter of a cleaning roller of the cleaning robot.

6. The maintenance station as claimed in claim 5, wherein the second positioning groove has two opposite limiting sides, the two limiting sides are respectively disposed corresponding to the two first positioning grooves, the two limiting sides and the arc-shaped concave surface enclose to form the second positioning groove, and the two limiting sides are used for transversely limiting the cleaning roller.

7. The maintenance base station of claim 5, wherein the concave arc-shaped surface is formed with one or more protrusions, and the one or more protrusions are distributed on the concave arc-shaped surface along the extending direction of the second positioning groove.

8. The maintenance base station as claimed in any one of claims 1 to 7, wherein the carrying surface is further recessed with wheel grooves, the wheel grooves are distributed in a triangular manner with the pair of first positioning grooves, the wheel grooves and the second positioning grooves are respectively located on two opposite sides of the pair of first positioning grooves, and the wheel grooves are used for positioning and matching with universal wheels of the cleaning robot.

9. The maintenance base station of any one of claims 1 to 7, wherein the carrying surface comprises a main carrying area and an inclined area, the inclined area is disposed obliquely relative to the main carrying area, the pair of first positioning grooves and the second positioning groove are disposed in the main carrying area, and the inclined area is used for carrying a universal wheel of the cleaning robot.

10. A cleaning robot system, characterized in that the cleaning robot system comprises a cleaning robot and a maintenance base station according to any of claims 1 to 9.