CN215584060U

CN215584060U - Liquid supply assembly and clean base station

Info

Publication number: CN215584060U
Application number: CN202121202077.9U
Authority: CN
Inventors: 李军; 周林林
Original assignee: Shenzhen Silver Star Intelligent Technology Co Ltd
Current assignee: Shenzhen Silver Star Intelligent Group Co Ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-01-21
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a liquid supply assembly and a cleaning base station, wherein the liquid supply assembly comprises a main shell and an auxiliary shell; the main shell is provided with an accommodating part and a connecting part, and the accommodating part is used for accommodating the cleaning container; the first opening end that vice casing was equipped with first stock solution chamber and the first stock solution chamber of intercommunication, the first opening end and the connecting portion sealing connection of vice casing, first stock solution chamber is used for storing the cleaning solution. Through being connected the sub-casing with the connecting portion on the main casing body to assemble into the cleaning fluid tank fast, portably, and with this cleaning fluid tank external, the cleaning fluid tank need not to assemble inside other boxes again complicacy promptly, has greatly improved convenience and installation effectiveness. Meanwhile, the cleaning liquid tank can not occupy the space of other tank bodies, so that the other tank bodies can be ensured to be loaded with sufficient liquid.

Description

Liquid supply assembly and clean base station

Technical Field

The utility model relates to the technical field of cleaning equipment, in particular to a liquid supply assembly and a cleaning base station.

Background

The cleaning robot has the functions of automatically cleaning, mopping and the like, and is often applied to markets, hotels, office buildings and home furnishing. One of the devices matched with the cleaning robot is a cleaning base station (also called a cleaning workstation) which has the functions of supplying liquid to the cleaning robot and the like.

In existing cleaning stations or similar intelligent cleaning accessories, cleaning solution is often stored in a separate dedicated container that is then placed into the tank of the cleaning station. The container has high production cost and complex assembly, and is difficult to place and assemble in the box body due to the small and high shape of the box body, and the container occupies the inner space of the box body after being placed.

SUMMERY OF THE UTILITY MODEL

It is a primary object of the present invention to provide a liquid supply assembly that overcomes the difficulties associated with the assembly of cleaning liquid containers of the prior art.

In order to achieve the above object, the present invention provides a liquid supply assembly for a cleaning base station of a cleaning robot, the liquid supply assembly including a main housing and a sub-housing; the main shell is provided with an accommodating part and a connecting part, and the accommodating part is used for accommodating a cleaning container; the inferior casing is equipped with first stock solution chamber and intercommunication the first open end in first stock solution chamber, the first open end of inferior casing with connecting portion sealing connection, first stock solution chamber is used for storing the cleaning solution.

In some embodiments of the utility model, the connecting portion is provided with a second liquid storage cavity and a second open end communicated with the second liquid storage cavity, and the second open end is in butt-joint communication and sealed connection with the first open end, so that the second liquid storage cavity and the first liquid storage cavity form a cleaning liquid cavity.

In some embodiments of the present disclosure, the liquid supply assembly further includes a seal ring sealingly engaged between the first open end and the second open end.

In some embodiments of the present invention, the main housing is provided with at least one receiving part including a first receiving part for receiving the clean water tank and a second receiving part for receiving the dirty water tank.

In some embodiments of the present invention, the first receiving portion and the second receiving portion are arranged side by side with a space provided therebetween, and the connecting portion and the sub-housing are located in the space.

In some embodiments of the present invention, the main housing is provided with a connecting plate connecting the accommodating portion and the connecting portion, and the accommodating portion and the connecting portion are both disposed to protrude in the same direction with respect to the connecting plate.

In some embodiments of the utility model, the connecting plate is provided with a liquid filling port communicated with the first liquid storage chamber, and the liquid supply assembly further comprises a sealing plug which covers the liquid filling port.

In some embodiments of the present invention, the receiving portion, the connecting portion, and the connecting plate are integrally injection molded.

In some embodiments of the present invention, a liquid level sensor for detecting a residual amount of the cleaning liquid is disposed inside the cleaning liquid chamber.

The utility model also provides a cleaning base station, which comprises the liquid supply assembly and a base capable of accommodating the cleaning robot; the liquid supply assembly is arranged on the base.

According to the technical scheme, the auxiliary shell is connected with the connecting part on the main shell, so that the cleaning liquid tank is quickly and simply assembled, and is externally arranged, namely the cleaning liquid tank does not need to be assembled inside other tank bodies in a complex manner, and convenience and installation efficiency are greatly improved. Meanwhile, the cleaning liquid tank can not occupy the space of other tank bodies, so that the other tank bodies can be ensured to be loaded with sufficient liquid.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic perspective view of a cleaning base station according to the present invention;

FIG. 2 is a schematic perspective view of the liquid supply assembly of FIG. 1;

FIG. 3 is an enlarged view of a portion of the portion A of FIG. 2;

FIG. 4 is an enlarged partial view of the position B in FIG. 2;

fig. 5 is a partially enlarged view of the position C in fig. 2.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				1000	Clean base station	22	Sealing ring
100	Liquid supply assembly	23	Annular groove
				10	Main shell	24	Fixing ring
11a	First accommodation part	30	Cleaning liquid box
				11b	Second accommodating part	31	Sealing plug
11c	Dodging groove	32	Box cover
				12	Connecting part	40	Clean water tank
13	Second open end	41	First cover body
				14	Fixing column	42	Lock fastener
15	Connecting plate	50	Sewage tank
				16	Liquid filling opening	51	Second cover body
17	Limiting groove	52	Third cover body
				20	Auxiliary shell	200	Base seat
21	First open end	300	Connecting frame

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should be considered to be absent and not within the protection scope of the present invention.

Referring to fig. 1 to 3, the liquid supply assembly 100 of the present invention can be applied to a cleaning base station 1000 of a cleaning robot (also called an intelligent floor washing machine or a floor sweeping robot). The liquid supply assembly 100 includes a main housing 10 and a secondary housing 20.

The main housing 10 serves as a main load-bearing body for mounting the various structures. The material of the main housing 10 may be plastic, light metal (such as aluminum alloy) or other materials that are easy to process.

The main housing 10 is provided with an accommodating portion and a connecting portion 12. Wherein the receiving portion is used for receiving cleaning containers (such as a clean water tank 40 and a dirty water tank 50). The connecting portion 12 is connected to the sub-housing 20. The interior of the connecting portion 12 may be a hollow structure or a solid structure. The cross-sectional shape of the connecting portion 12 may be circular, rectangular, or other shapes. These shapes are easy to machine and low in manufacturing cost. Specifically, as shown in fig. 2, the cross-sectional shape of the connecting portion 12 is substantially rectangular, and the area of the rectangular shape is larger than that of a circular structure with the same diameter and length, so that the volume, i.e., the capacity, of the structure is also larger.

The auxiliary housing 20 is a tubular structure with an open end, and is provided with a first liquid storage cavity, the upper end of the first liquid storage cavity is a first open end 21, and the lower end of the first liquid storage cavity is provided with a liquid outlet (not shown). Similarly, the cross-sectional shape of the sub-housing 20 may be a circular shape, a rectangular shape, or other shapes, which are not listed here, and which are easy to process and low in manufacturing cost. The first open end 21 of the sub-housing 20 is sealingly connected to the connecting portion 12 to define a cleaning liquid tank 30 for storing cleaning liquid.

The first open end 21 is connected to the connecting portion 12 in various ways. For example, the first open end 21 and the connecting portion 12 are screwed, and the first open end 21 and the connecting portion 12 are respectively provided with internal and external threads, and are screwed by the threads. For another example, the first open end 21 and the connecting portion 12 are connected by a snap, and the first open end 21 and the connecting portion 12 are respectively provided with a slot and a snap, and are clamped by the slot and the snap. For another example, the first open end 21 and the connecting portion 12 are connected by screws, and the first open end 21 and the connecting portion 12 are provided with screw holes, and the sub-housing 20 and the connecting portion 12 are assembled by screws.

The liquid supply assembly 100 is quickly and simply assembled into the cleaning liquid tank 30 by connecting the auxiliary housing 20 with the connecting part 12 on the main housing 10, and the cleaning liquid tank 30 is externally arranged, i.e. the cleaning liquid tank 30 does not need to be assembled into other tank bodies in a complex way, so that the convenience and the installation efficiency are greatly improved. Meanwhile, the cleaning liquid tank 30 does not occupy the space of other tanks, so that the other tanks can be guaranteed to be loaded with sufficient liquid.

Referring to fig. 1 and 3, in some embodiments, the connecting portion 12 has a substantially rectangular parallelepiped shape. The connecting part 12 is hollow, and the connecting part 12 is provided with a second liquid storage cavity and a second open end 13 communicated with the second liquid storage cavity. The second open end 13 is connected with the first open end 21 in an abutting connection and a sealing connection, and the second liquid storage cavity and the first liquid storage cavity form a cleaning liquid cavity. In this way, the volume of the cleaning liquid tank 30 is increased when the hollow connecting portion 12 and the sub-housing 20 are assembled.

Further, referring to FIG. 3, to improve the sealing at the connection between the sub-housing 20 and the connection portion 12 to prevent liquid leakage, the liquid supply assembly 100 further includes a sealing member. Wherein the seal is arranged between the first open end 21 and the second open end 13. It should be noted that there are various sealing manners between the connecting portion 12 and the sub-housing 20, for example, the connecting portion 12 and the sub-housing 20 are sealed by a sealant, and the connecting portion 12 and the sub-housing 20 are sealed by a sealing ring.

Specifically, as shown in fig. 3, the connection portion 12 and the sub-housing 20 are sealed by a seal ring 22. Specifically, the first open end 21 of the sub-housing 20 is provided with an annular groove 23, and the seal ring 22 is fitted in the annular groove 23. The cross-sectional shape of the seal ring 22 is substantially quadrangular. The sealing ring 22 may be made of rubber, silica gel, or other material with good sealing performance. The sealing ring 22 may partially extend out of the annular groove 23 when being installed in the annular groove 23, or may be substantially flush with the notch of the annular groove 23, as long as the sealing requirement is met, and will not be described in detail herein.

In other embodiments, the cross-sectional shape of the sealing ring 22 may also be "H" shaped, and the sealing ring 22 has a mounting groove on each of the upper and lower sides. The second open end 13 of the connecting portion 12 is inserted into an installation groove of an upper portion of the sealing ring 22, and the first open end 21 of the sub-housing 20 is inserted into an installation groove of a lower portion of the sealing ring 22. In this way, the sealing ring 22 is pressed by the connecting portion 12 and the sub-housing 20, and the sealing performance between the two is ensured to be good.

Still further, referring to fig. 3, the sub-housing 20 is provided with fixing rings 24 on both sides thereof near the first open end 21. The connecting portion 12 is provided with a fixing post 14 at a position corresponding to the fixing ring 24, the fixing post 14 is provided with a threaded hole or a pin hole, and a locking member (a screw or a pin) penetrates through the fixing ring 24 and then is connected with the fixing post 14. In this way, the connection between the connection part 12 and the sub-housing 20 can be ensured to be firm, and the connection part 12 and the sub-housing 20 can be quickly separated by detaching the screw or the pin, so that the operation is simple and efficient.

In other embodiments, one side of the first open end 21 may also be hinged to the connecting portion 12, and the other side is provided with said fixing ring 24. A fixing post 14 is arranged on the connecting portion 12 at a position corresponding to the fixing ring 24, a threaded hole or a pin hole is formed in the fixing post 14, and a locking member (a screw or a pin) penetrates through the fixing ring 24 and then is connected with the fixing post 14, so that the first open end 21 can be quickly aligned with the second open end 13, and the assembly efficiency of the sub-housing 20 and the connecting portion 12 is further improved.

It should be noted that the shape of the cleaning liquid tank 30 assembled by the sub-housing 20 and the connecting portion 12 is various. For example, the connecting portion 12 and the sub-housing 20 are assembled to form an "l" -shaped box structure (see fig. 2). For example, the connection portion 12 and the sub-housing 20 are assembled to form an L-shaped box structure (not shown). For another example, the connecting portion 12 and the sub-housing 20 are assembled to form an inverted "T" shaped box structure (not shown), which is not illustrated here.

Preferably, a liquid level sensor (not shown) is further disposed inside the cleaning liquid tank 30 to monitor the remaining liquid amount in the cleaning liquid tank 30 in real time. In some embodiments, the level sensor is a contact sensor, such as a ball float level sensor, a float bowl level sensor, or the like. In other embodiments, the level sensor is a non-contact sensor, such as an opto-electronic level sensor, an ultrasonic level sensor, or the like.

Referring to fig. 2, the main housing 10 is provided with at least one accommodating portion, such as 1, 2, 4, etc., and the number of the accommodating portions can be adjusted according to the number of the cleaning containers of the box, which is not illustrated herein. As shown in fig. 2, the main housing 10 is provided with two accommodating portions including a first accommodating portion 11a and a second accommodating portion 11 b. The cleaning vessel includes a clean water tank 40 containing clean water, and a sewage tank 50 for recovering sewage. The first receiving portion 11a receives the clean water tank 40, and the second receiving portion 11b receives the dirty water tank 50. Thus, the stable positioning of the clean water tank 40 and the sewage tank 50 can be ensured, and the liquid supply assembly 100 can have the functions of clean water supply and sewage recovery.

With continued reference to fig. 2, the first and second

accommodating parts

11a and 11b are arranged side by side with a space therebetween. The connecting portion 12 and the sub-housing 20 are located in the gap, and the arrangement order may be: sewage tank-cleaning liquid tank-clear water tank, or clear water tank-cleaning liquid tank-sewage tank. Due to the certain interval between the first accommodating part 11a and the second accommodating part 11b, the cleaning liquid tank 30 is arranged between the first accommodating part and the second accommodating part, so that the utilization rate of air can be sufficiently improved, and the structures on two sides of the liquid supply assembly 100 are relatively balanced.

Referring again to fig. 2, the main housing 10 further includes a connection plate 15 connecting the first and second

accommodating parts

11a and 11b and the connection part 12, and the first and second

accommodating parts

11a and 11b protrude downward with respect to the connection plate 15. The receiving portion and the connecting portion 12 may be detachably connected to the connecting plate 15, or may be integrally formed. Preferably, as shown in fig. 2, the main housing 10 is formed by integral molding, that is, the connecting plate 15, the accommodating portion, and the connecting portion 12 are an integral structure. In this manner, by extending the receiving portion and the connecting portion 12 under the connecting plate 15, assembly is not required, and the overall structure is also more robust.

Referring to fig. 2 and 4 together, a filling opening 16 penetrates through the connecting plate 15, and the filling opening 16 is communicated with the second liquid storage cavity of the connecting part 12. In order to prevent leakage and foreign matter from falling into the cleaning solution tank 30 at the position of the filling opening 16, the cleaning solution tank 30 further has a sealing plug 31 adapted to the filling opening 16, and the sealing plug 31 is arranged to cover the filling opening 16.

For example, the sealing plug 31 is made of a soft rubber with good corrosion resistance and elasticity (see fig. 4). The sealing plug 31 is plugged into the filling opening 16 and is in interference fit with the filling opening 16, so that the sealing plug is not easy to loosen.

For another example, the sidewall of the filling opening 16 is provided with an internal thread, and the periphery of the sealing plug 31 is provided with an external thread. In this manner, the filler opening 16 can be closed by a screw-fit.

Further, referring to fig. 4, the cleaning liquid tank 30 is further provided with a tank cover 32, and the sealing plug 31 is provided on the tank cover 32. The cover 32 may be plate-shaped (see fig. 4), elongated, or block-shaped. The sealing plug 31 can be easily placed in the filling opening 16 by holding the lid 32.

It should be noted that the cover 32 can be mounted on the connecting plate 15 in various ways, such as covering, single-side hinge, magnetic attraction, or snap connection. Specifically, as shown in fig. 4, the cover 32 is provided on the connecting portion 12 in a covering manner. So, establish this kind of simple and easy mode through adopting direct lid, can not only simplify relevant structure, need not to add extra connecting piece, make the lid 32 after the lid is established moreover more natural with linking of support panel.

Still further, referring to fig. 4, the outer periphery of the filler opening 16 is recessed to form a stopper groove 17, and the stopper groove 17 is shaped to conform to the shape of the tank cover 32. By providing the limiting groove 17, when the box cover 32 is located in the limiting groove 17, the surface of the box cover 32 is substantially flush with the surface of the bracket, so that the filling opening 16 and the box cover 32 can be concealed, and the unity can be better embodied. It should be noted that the limiting groove 17 is substantially conical, and has a larger upper end and a smaller lower end, so that a sufficient space is left for fingers to pick and place the box cover 32.

Referring to fig. 2, the clean water tank 40 is detachably installed in the first receiving portion 11 a. Thus, by providing the clean water tank 40, the liquid supply assembly 100 can not only supply cleaning liquid to the cleaning robot, but also supply clean water, thereby greatly improving convenience. However, it is understood that in some embodiments, the clean water may be provided by other external structures, which are not described herein.

The sewage tank 50 is detachably mounted in the second receiving portion 11 b. So, through being equipped with sewage case 50, can shift the sewage in the cleaning machines people to the sewage case 50 in, further improved the convenience. However, it is understood that in some embodiments, the sewage in the cleaning robot may be discharged to other places, which is not described herein.

The detachable connection between the clean water tank 40 and the dirty water tank 50 and the two receiving portions includes: the modes of direct lifting and placing, clamping connection and the like are not listed.

Specifically, as shown in fig. 2, the clean water tank 40 and the dirty water tank 50 are substantially rectangular parallelepiped in shape. In other embodiments, the shape of the clean water tank 40 and the dirty water tank 50 may be cylindrical. The upper portions of the clean water tank 40 and the dirty water tank 50 are open. The lower part of the clean water tank 40 is provided with a water outlet (not shown). A sewage suction port (not shown) is provided at a lower portion of the sewage tank 50.

Referring to fig. 2 and 5 together, a first cover 41 is disposed on the top of the clean water tank 40. In order to open or close the first cover 41, the first cover 41 is provided with a handle, which may be a groove or a protrusion. As shown in fig. 2, in the present embodiment, the carrying portion is preferably two grooves disposed on the first cover 41, and can be held by one hand when in use, and the force can be applied to the first cover 41 by extending a palm into the two grooves, which is very convenient.

In order to prevent the first cover 41 from being loosened, the clear water tank 40 is further provided with a locking member 42. As shown in fig. 5, the locking member 42 is substantially plate-shaped, one end of the locking member 42 is rotatably connected to the first cover 41, and the other end thereof is provided with a pin hole. The body of the clean water tank 40 is provided with a pin inserted into the pin hole. In this way, quick locking and unlocking of the first cover 41 can be achieved.

With continued reference to fig. 2, the top of the waste water tank 50 is provided with a second cover 51. Similarly, in order to lock and unlock the second cover 51 quickly, the waste water tank 50 is also provided with a plurality of locking members 42, which will not be described again.

Further, as shown in fig. 2, a third cover 52 is further provided on the second cover 51. A through hole is formed through the middle of the second cover 51, and the third cover 52 is located in the through hole. It should be noted that the third cover 52 and the second cover 51 may be clamped or screwed. So, when needing to pump away the sewage in the sewage case 50, through twisting the third lid 52 on the second lid 51, take out the third lid 52, stretch into the sewage case 50 with the pipeline again, can take away sewage to need not to open great second lid 51 fussy, it is very convenient.

Since the latching members 42 are provided at the upper positions of the clean water tank 40 and the dirty water tank 50, in order to prevent the latching members 42 from interfering with each other, the first accommodating portion 11a and the second accommodating portion 11b are provided with the avoiding grooves 11c (see fig. 2) at positions corresponding to the latching members 42.

Referring to fig. 1, the present invention further provides a cleaning base station 1000, wherein the cleaning base station 1000 includes the liquid supply assembly 100, and further includes a base 200 capable of accommodating a cleaning robot (not shown). Specifically, as shown in FIG. 1, the liquid supply assembly 100 is disposed on a base 200. The base 200 is partially penetrated to form an abdicating opening for the cleaning robot to enter and exit. An electronic control module (not shown) is disposed in the base 200 for providing power and controlling the circuit. In order to charge the cleaning robot, a charging pole piece may be further disposed in the base 200.

Further, to facilitate concealment of the associated lines and pipes (not shown), the cleaning base station 1000 further includes a connection frame 300 connecting the liquid supply assembly 100 and the base 200. The connection frame 300 is mounted on the base 200, the liquid supply assembly 100 is mounted on the connection frame 300, and related lines and pipes are received in the connection frame 300. It should be noted that, please refer to the above embodiments for the specific structure of the liquid supply assembly 100, and since the cleaning base station 1000 adopts all the technical solutions of all the above embodiments, at least the beneficial effects brought by the technical solutions of the above embodiments are achieved, and are not repeated herein.

In some embodiments, when the cleaning robot (not shown) is docked with the cleaning base station 1000, the clean water tank 40 may be communicated with the clean water storage container of the cleaning robot through a pipeline, the cleaning liquid tank 30 may be communicated with the cleaning liquid storage container of the cleaning robot through a pipeline, so as to deliver clean water or a mixed liquid of clean water and cleaning liquid into the cleaning liquid storage container, and the sewage tank 50 may be communicated with the sewage collection container of the cleaning robot through a pipeline, so as to draw sewage in the sewage collection container into the sewage tank 50. Therefore, the clean water supply, the cleaning liquid supply and the sewage extraction can be quickly and efficiently completed for the cleaning robot.

In other embodiments, when the cleaning robot (not shown) is docked with the cleaning base station 1000, the cleaning base station 1000 may perform cleaning maintenance on the mopping member of the cleaning robot, the clean water in the clean water tank 40 and the cleaning liquid in the cleaning liquid tank 30 may be mixed in the pipeline and then delivered to the mopping member, and the sewage tank 50 may recover the sewage generated during the cleaning maintenance through the pipeline.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A liquid supply assembly for use in a cleaning station of a cleaning robot, the liquid supply assembly comprising:

a main housing provided with an accommodating part for accommodating a cleaning container and a connecting part;

the auxiliary housing body is provided with a first liquid storage cavity and a first opening end of the first liquid storage cavity, the first opening end of the auxiliary housing body is connected with the connecting portion in a sealing mode, and the first liquid storage cavity is used for storing cleaning liquid.

2. The liquid supply assembly of claim 1, wherein the connecting portion defines a second reservoir and a second open end in communication with the second reservoir, the second open end in abutting communication with the first open end and being sealingly connected such that the second reservoir and the first reservoir define a cleaning liquid chamber.

3. The liquid supply assembly of claim 2, further comprising a seal ring sealingly engaged between the first open end and the second open end.

4. The liquid supply assembly of claim 1, wherein the main housing defines at least one receptacle, the at least one receptacle including a first receptacle for receiving a fresh water tank and a second receptacle for receiving a waste water tank.

5. The liquid supply assembly of claim 4, wherein the first receptacle and the second receptacle are positioned side-by-side, wherein a space is disposed between the first receptacle and the second receptacle, and wherein the connecting portion and the sub-housing are positioned within the space.

6. The liquid supply assembly of claim 1, wherein the main housing includes an attachment plate connecting the receiving portion and the attachment portion, and wherein the receiving portion and the attachment portion are each disposed to project in the same direction relative to the attachment plate.

7. The liquid supply assembly of claim 6, wherein the connecting plate is provided with a filling port in communication with the first reservoir chamber, and further comprising a sealing plug that closes the filling port arrangement.

8. The liquid supply assembly of claim 6, wherein the receptacle, the connecting portion, and the connecting plate are integrally injection molded.

9. The liquid supply assembly of claim 1, wherein a level sensor is disposed within the cleaning liquid chamber for sensing a level of cleaning liquid.

10. A cleaning base station, comprising the liquid supply assembly of any one of claims 1 to 9, further comprising a base for receiving a cleaning robot; the liquid supply assembly is arranged on the base.