CN216569773U - Cleaning assembly and automatic cleaning device - Google Patents

Abstract

The utility model provides a cleaning assembly and an automatic cleaning device, wherein the cleaning assembly is used for cleaning a mop of cleaning equipment and comprises a base plate, the base plate is positioned in a base station, a supporting piece is arranged in the base station, and the base plate is rotatably connected with the supporting piece. The utility model is connected with the supporting piece in a rotating way by arranging the chassis, so that a user can clean the residual garbage in the cleaning tank conveniently. In addition, by arranging the elastic piece, the chassis can be automatically reset when the external force is cancelled. The automatic mop cleaning device is simple in structure, achieves the function of automatically cleaning mops, reduces the times of automatically replacing the mops by users, is high in cleaning efficiency and good in effect, reduces the production cost, and improves the experience of the users.

Description

Cleaning assembly and automatic cleaning device

Technical Field

The utility model relates to the technical field of sweeping robots, in particular to a cleaning assembly and an automatic cleaning device.

Background

Along with the continuous improvement of the living standard of people, various intelligent homes reflect eye curtains, and floor sweeping robots are produced by transportation. The floor sweeping robot is also called an automatic cleaner, intelligent dust collection, a robot dust collector and the like, is one of intelligent household appliances, and can automatically finish floor cleaning work in a room by means of certain artificial intelligence. Generally, the garbage collecting box adopts a brushing and vacuum mode to absorb the impurities on the ground into the garbage collecting box, so that the function of cleaning the ground is achieved. Generally, a robot that performs cleaning, dust collection and floor wiping is also collectively called a floor sweeping robot.

After the cleaning work of the existing sweeping robot is finished, cleaning components of the sweeping robot are often stuck with a lot of stains or sundries, the cleaning components such as mops and the like are generally required to be cleaned by users, the replacement times are frequent, and a lot of time of the users is wasted. Therefore, how to enable the sweeping robot to automatically complete the operation of cleaning components such as mops and the like becomes a problem to be solved urgently.

Accordingly, there is a need for a new cleaning assembly and an automatic cleaning device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cleaning assembly and an automatic cleaning device, which are used for realizing the function of automatically cleaning a mop, reducing the times of replacing the mop by a user and improving the experience of the user.

In order to achieve the above object, the present invention provides a cleaning assembly for cleaning mops of cleaning devices, comprising a chassis, wherein the chassis is located in a base station, wherein a support member is arranged in the base station, and the chassis is rotatably connected with the support member.

As a further improvement of the present invention, a first rotating portion is provided on the supporting member, a second rotating portion matching and connected to the first rotating portion is provided on the chassis at a position corresponding to the first rotating portion, and the first rotating portion is rotatably connected to the second rotating portion, so that the chassis is rotatably connected to the supporting member.

As a further improvement of the present invention, the first rotating portion is a rotating shaft, the second rotating portion is a through groove, and the rotating shaft is inserted into the through groove, so that the chassis is rotatably connected with the supporting member.

As a further improvement of the present invention, the first rotating portion is a through groove, the second rotating portion is a rotating shaft, and the through groove is sleeved on the outer side of the rotating shaft, so that the chassis is rotatably connected with the supporting member.

As a further improvement of the utility model, the cleaning assembly further comprises an elastic member, and the elastic member is respectively connected with the chassis and the supporting member to drive the chassis to reset.

As a further improvement of the present invention, there are 2 elastic members, each elastic member is located between the first rotating portion and the second rotating portion, and a connecting end of each elastic member is fixedly connected to a side edge of the supporting member and an end of the chassis near the supporting member.

As a further improvement of the utility model, at least one connecting part is arranged on the chassis, a fastener penetrates through the connecting part to rotatably connect the connecting part with the supporting part, at least one connecting part is provided with first clamping parts which are circumferentially arranged, the position of the supporting part corresponding to the connecting part is provided with a second clamping part, and the first clamping part and the second clamping part are connected in a clamping manner.

As a further improvement of the present invention, the first clamping portion is a clamping groove, the second clamping portion is a clamping tooth matched with the clamping groove, and the clamping tooth is connected with the clamping groove in a clamping manner.

As a further improvement of the sewage treatment device, a filter screen is arranged below the base plate, the filter screen is positioned in the middle of the base plate and above the sewage tank, and the area of the filter screen is smaller than that of the base plate.

In order to further achieve the aim, the utility model also discloses an automatic cleaning device which comprises a driving device, a sliding device in driving connection with the driving device and the cleaning assembly, wherein the driving device drives the sliding device to drive the cleaning assembly to reciprocate so as to clean the mop.

The utility model has the beneficial effects that: the utility model has simple structure through the rotary connection between the chassis and the supporting piece. In addition, through setting up the elastic component, can realize the automatic re-setting of chassis when external force cancels. Furthermore, the water inlet pipe can be well accommodated in the fixing part by arranging the fixing part. The automatic mop cleaning device is simple in structure, achieves the function of automatically cleaning mops, reduces the times of automatically replacing the mops by users, is high in cleaning efficiency and good in effect, reduces the production cost, and improves the experience of the users.

Drawings

Fig. 1 is a schematic structural view of a cleaning assembly according to a preferred embodiment of the present invention.

Fig. 2 is a schematic structural view of the chassis in fig. 1.

Fig. 3 is a top view of fig. 2.

Fig. 4 is a schematic view of an angled configuration of the chassis.

FIG. 5 is a positional relationship diagram of the automatic cleaning apparatus and the cleaning tank.

FIG. 6 is a schematic view of the structure of the outlet pipe and the fastener.

FIG. 7 is a view showing the connection of the base plate, the support member and the outlet pipe.

Fig. 8 is a schematic structural view of the support member.

Fig. 9 is a schematic structural view of an automatic cleaning apparatus according to a preferred embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure.

In the description of the present invention, it is to be understood that the terms "on" and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. In addition, when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, unless otherwise defined, the terms "first," "second," and the like, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.

Referring to fig. 1-7, a cleaning assembly 1 of the present invention is shown, wherein the cleaning assembly 1 includes a base plate 11, a water outlet pipe 12 and a water inlet pipe 13. Wherein, the chassis 11 is located in the cleaning tank 1001 of the base station 1000, and the upper surface of the chassis 11 is provided with at least 3 water spraying holes 111 which are not on the same straight line. The water outlet pipe 12 is fixedly connected with the chassis 11 and is located at the bottom of the chassis 11, and a water outlet hole 121 is arranged on the water outlet pipe 12 at a position corresponding to the water spraying hole 111. The two ends of the water inlet pipe 13 are respectively connected with a water source and a water outlet pipe 12. The utility model has simple structure, high cleaning efficiency and good effect, reduces the production cost and also improves the experience of users.

Referring to fig. 1-8, a chassis 11 is located within a sink 1001 of a base station 1000 for washing mops. Preferably, the size of the chassis 11 is smaller than that of the cleaning tank 1001. The base station 1000 is provided with a support 31, and the chassis 11 is rotatably connected with the support 31. Through setting up chassis 11 and support piece 31 rotation connection to conveniently open chassis 11, the rubbish of remaining in washing tank 1001 is cleared up simply fast.

Furthermore, a first rotating part 311 is arranged on the supporting member 31, a second rotating part 10 matched and connected with the first rotating part 311 is arranged on the chassis at a position corresponding to the first rotating part 311, and the first rotating part 311 is rotatably connected with the second rotating part 10, so that the chassis 11 is rotatably connected with the supporting member 31.

In this embodiment, the first rotating portion 311 is a rotating shaft disposed on the supporting member 31, the second rotating portion 10 is a through groove, and the chassis 11 is provided with a through groove connected to the rotating shaft in a matching manner, and is inserted into the through groove through the rotating shaft, so that the chassis 11 is rotatably connected to the supporting member 31. In other embodiments, the first rotating portion 311 may also be a through groove, the second rotating portion 10 is a rotating shaft, in other words, the rotating shaft is disposed on the chassis, a through groove matching and connecting with the rotating shaft is disposed at a position corresponding to the rotating shaft at the bottom of the supporting member, and the chassis 11 is rotatably connected with the supporting member 31 by sleeving the through groove on the outer side of the rotating shaft. The utility model is not limited in this regard.

Further, the washing assembly 1 includes elastic members respectively connected to the chassis 11 and the support member 31 to drive the chassis 11 to return. Preferably, there are 2 elastic members, each elastic member is located between the first rotating portion 311 and the second rotating portion 10, and the connecting end of each elastic member is fixedly connected to the side of the supporting member 31 and one end of the chassis 11 close to the supporting member 31. Preferably, the elastic member is a torsion spring. Through setting up the elastic component to when the remaining rubbish in the cleaning tank 1001 needs to be cleared up, exert external force and lift up chassis 11, after the clearance is accomplished and is cancelled external force, chassis 11 automatic re-setting under the effect of the elastic force of elastic component.

In other embodiments, the chassis 11 is provided with at least one connecting portion 112, a fastening member passes through the connecting portion 112 to rotatably connect the connecting portion 112 and the supporting member 31, the at least one connecting portion 112 is provided with first clamping portions arranged circumferentially, the supporting member 31 is provided with second clamping portions at positions corresponding to the connecting portion 112, and the first clamping portions are connected with the second clamping portions in a clamping manner. Optionally, the first clamping portion is a clamping groove, the second clamping portion is a clamping tooth matched with the clamping groove, and the clamping tooth is clamped in the clamping groove so that the first clamping portion and the second clamping portion are connected in a clamping mode. When the applied external force is greater than the friction force between the latch and the slot, the chassis 11 rotates and lifts up to clean the residual garbage in the cleaning tank 1001, when the external force is cancelled, the latch falls into the slot, and the latch and the slot can be clamped and fixed through the friction force between the latch and the slot, namely, the chassis 11 and the supporting piece 31 are clamped and fixed. Of course, the first retaining portion may also be a latch, and the second retaining portion is a slot, which is not limited in this application. In a preferred embodiment, the number of the connecting portions 112 is 2, and the connecting portions are symmetrically distributed on both sides of the supporting member 31. In other embodiments, the number of the connecting portions 112 may also be 1, and the chassis 11 and the supporting member 31 on the side without the connecting portions 112 may be connected by other methods, such as a telescopic rod, to maintain the stability of the connection between the chassis 11 and the supporting member 31.

The side edge of chassis 11 upwards extends and forms first flange 113, so sets up, is favorable to getting rid of the sewage on the mop, improves the cleaning performance and the driping moisture of mop. The chassis 11 includes a peripheral portion 114, a horizontal portion 115, and a vertical portion 116, the horizontal portion 115 and the vertical portion 116 are located inside the peripheral portion 114, the vertical portion 116 and the horizontal portion 115 are perpendicular to each other, and an end of the vertical portion 116 is connected to an inner wall of the peripheral portion 114. Alternatively, there are a plurality of horizontal portions 115 and vertical portions 116, some of the horizontal portions 115 are connected between the outer peripheral portion 114 and the vertical portions 116, and the remaining horizontal portions 115 are connected between adjacent vertical portions 116. A water leakage part is formed between the horizontal part 115 and the vertical part 116, and sewage generated by cleaning mops can be gathered into a sewage tank of the base station 1000 from the water leakage part. Further, the side edge of the vertical portion 116 extends upward to form a second rib 1161, and in a preferred embodiment, the height of the second rib 1161 is equal to the height of the first rib 113. The second rim 1161 further improves the efficiency of mop draining and cleaning. In addition, the number of the horizontal portions 115 and the vertical portions 116 may be limited according to the actual use requirement, and is not further limited herein.

Optionally, the lateral edges of the peripheral portion 114, the horizontal portion 115 and the vertical portion 116 respectively extend downward to form a plurality of extending portions, a plurality of receiving grooves are defined between adjacent extending portions, and a part of the receiving grooves are used for receiving the outlet pipe 12.

Further, the upper surface of the bottom plate 11 is provided with a plurality of protrusions 117 for washing the mop. In a preferred embodiment, the protruding portion 117 is a gentle arc structure, and the gentle arc structure can maximize the contact surface between the protruding portion 117 and the mop cloth during the cleaning process of the mop cloth, and meanwhile, the mop cloth can be prevented from being damaged by the protruding portion 117 during the cleaning process, so that the service life of the mop cloth is effectively prolonged. In a preferred embodiment, the peripheral portion 114 and the vertical portion 116 of the bottom plate 11 are respectively provided with a plurality of protrusions 117, and when the bottom plate 11 moves left and right, the protrusions 117 on the vertical portion 116 can clean the mop maximally, thereby effectively improving the cleaning efficiency of the mop. Preferably, the protrusions 117 on the vertical portion 116 are arranged in an array. Of course, the structure of the protrusions 117 is merely exemplary, and should not be limited thereto, so that the mop cloth can be effectively cleaned.

The upper surface of the base plate 11 is provided with a number of water spraying holes 111 from which water is sprayed onto the mops to wet the mops for further cleaning operations. The plurality of watering holes 111 includes at least one first watering hole 111 and at least 2 second watering holes 111, the first watering hole 111 is located on the upper surface of the horizontal portion 115, and the second watering holes 111 are located on the upper surface of the vertical portion 116. Preferably, the first and second watering holes 111 and 111 are not collinear. For current design that is the hole for water spraying 111 of linear type arrangement, so set up, can effective dispersion rivers, enlarge the scope of soaking of mop to carry out the cleaning of mop better, improved clean efficiency. In a preferred embodiment, the number of the first water spraying holes 111 is 1, and the first water spraying holes are arranged close to the protrusions 117 of the nearest vertical part 116, the number of the second water spraying holes 111 is 2, the second water spraying holes are located between the adjacent protrusions 117 of the vertical part 116, and a plurality of protrusions 117 are arranged between every two 2 second water spraying holes 111. Of course, the number of the first water injection holes 111 and the second water injection holes 111 may be plural, and may be set according to the actual size of the chassis 11.

Optionally, a support 118 is fixedly connected to the lower portion of the chassis 11, and the support 118 is provided with a through hole. Specifically, the support member 118 is engaged with the chassis 11 and fixed below the chassis 11 by a fastener. The through hole of the support 118 is used for the inlet pipe 13 to pass through and connect with the outlet pipe 12.

The water outlet pipe 12 is fixedly connected with the chassis 11 and is positioned at the bottom of the chassis 11. The interior of the water outlet pipe 12 is of a hollow structure and is used for being connected with the water inlet pipe 13 in an inserting mode, one end, close to the water inlet pipe 13, of the water outlet pipe 12 is provided with an inserting hole matched with the diameter of the water inlet pipe 13, and the water inlet pipe 13 is connected with the water outlet pipe 12 in an inserting mode through the inserting hole. The outlet pipe 12 is provided with a water outlet hole 121 at a position corresponding to the water spraying hole 111, and the water flow of the inlet pipe 13 reaches the mop through the water outlet hole 121 and the water spraying hole 111 in sequence. Compared with the existing water outlet pipe 12 which is additionally provided with the supporting bracket and/or the water spray nozzle below the chassis 11, the water outlet pipe 12 is simple in structure, the water spray effect of the water spray nozzle can be realized, and the production cost is greatly reduced.

In addition, at least 2 first fixing holes 122 are formed in the water outlet pipe 12 in an outward extending manner, a second fixing hole 119 is formed in a position, corresponding to the first fixing hole 122, of the chassis 11, the first fixing hole 122 and the second fixing hole 119 are fixedly connected through a fastening member such as a screw, so that the water outlet pipe 12 is fixed on the chassis 11, and the number of the first fixing holes 122 and the second fixing holes 119 is enough to enable the water outlet pipe 12 to be stably fixed on the chassis 11. In a preferred embodiment, the number of the water outlet pipes 12 is 2, 2 water outlet pipes 12 are symmetrically arranged along the center of the chassis 11, and the number of the water outlet holes 121 of each water outlet pipe 12 is 3. In other embodiments, the number of the water outlet pipes 12 may also be multiple, and may be specifically set according to actual use requirements. Preferably, the outlet pipe 12 is an "L" shaped outlet pipe 12, and it should be understood that the "L" shaped outlet pipe 12 in this application is only an example and should not be limited thereto, and in other embodiments, the outlet pipe 12 may also be an "F" shaped structure, a "mountain" shaped structure, and other structures, and high cleaning efficiency can also be achieved.

The two ends of the water inlet pipe 13 are respectively connected with a water source and a water outlet pipe 12. In this application, the water source is provided by a clean water tank 1002 of the base station 1000. In one embodiment, the number of inlet pipes 13 is 1, and correspondingly, the number of outlet pipes 12 is 1. In other embodiments, the water inlet pipe 13 is designed in a herringbone structure, the water inlet pipe 13 comprises a first water inlet pipe 131 and a second water inlet pipe 132, and the first water inlet pipe 131 and the second water inlet pipe 132 are respectively connected with 2 water outlet pipes 12. Preferably, the flow rate of the water in the first inlet pipe 131 is the same as the flow rate of the water in the second inlet pipe 132. In one embodiment, the diameter of the first inlet conduit 131 is the same as the diameter of the second inlet conduit 132. In other embodiments, the diameter of the first water inlet pipe 131 is greater than the diameter of the second water inlet pipe 132, and it can be known that the flow rate of the water in the first water inlet pipe 131 is greater than the flow rate of the water in the second water inlet pipe 132, at this time, a flow valve can be respectively set for the first water inlet pipe 131 and the second water inlet pipe 132 to adjust the flow rates of the water in the first water inlet pipe 131 and the second water inlet pipe 132 to be the same, so as to avoid the problems of overflow of the water caused by too large flow rate and insufficient cleaning force on the mop caused by too small flow rate. Of course, both flow valves may be pre-adjusted for user use.

A filter screen 14 is arranged below the chassis 11, and the filter screen 14 is positioned above the sewage tank. Preferably, the sewage tank is formed by sinking the middle part of the clean water tank downwards. The filter screen 14 is arranged to prevent solid waste from blocking the sewage pipe. In a preferred embodiment, filter 14 is located in the middle of chassis 11, and the area of filter 14 is smaller than that of chassis 11.

Referring to fig. 5, the present invention further discloses an automatic cleaning apparatus 100, wherein the automatic cleaning apparatus 100 includes the cleaning assembly 1, the driving device 2 and the sliding device 3. The driving device drives the sliding device 3 to drive the cleaning assembly 1 to reciprocate so as to clean the mop. In this application, self-cleaning device 100 establishes in the basic station 1000 of robot of sweeping the floor, and after robot income basic station 1000 sweeps the floor, the mop of robot of sweeping the floor is located on chassis 11, and self-cleaning device 100 works, and chassis 11 is reciprocating motion under the mop of robot of sweeping the floor, under the combined action of bellying 117 and first flange 113 and second flange 1161 on chassis 11, cleans the mop effectively, and clean efficient and clean effectual. In addition, the base station 1000 may also charge the sweeping robot body.

Referring to fig. 9, the base station 1000 of the present invention includes a clean water tank 1002, a clean water pump 1003, an electrolytic water device 1004 and the cleaning assembly 1, wherein the clean water tank 1002, the clean water pump 1003, the electrolytic water device 1004 and the cleaning assembly 1 are connected in sequence. The base station 1000 includes the aforementioned automatic cleaning apparatus 100. Preferably, the water inlet and outlet of the electrolytic water device 1004 are located on the same side of the electrolytic water device 1004. Preferably, the bottom of clear water tank 1002 is equipped with first level sensor to monitor the water level in the clear water tank 1002, when the water level was crossed lowly, can remind the user in time to supply clear water, humanized and intelligent degree is high. The base station 1000 is electrically connected with a power supply device, and the power supply device supplies power to the base station 1000.

Further, a clean water pump 1003 and an electrolytic water device 1004 are located on the rear side wall of the base station 1000. In a preferred embodiment, the rear side wall of the clean water tank 1002 is recessed inwardly to form a recess in which the clean water pump 1003 is at least partially disposed, and preferably, the clean water pump 1003 is a vacuum pump. One end of the water inlet pipe 13 of the cleaning assembly 1 is connected with the electrolytic water device 1004, and the water outlet pipe 12 is located at one side of the water inlet pipe 13 far away from the electrolytic water device 1004. Water in the clean water pump 1003 is pumped into the water electrolysis device 1004 through the clean water pump 1003, after the water electrolysis device 1004 electrolyzes, mineral substances such as calcium, magnesium, potassium and sodium with positive electricity in the water can be concentrated on a cathode to generate acidic ion reduced water, and components such as sulfur, phosphorus, nitric acid and chlorine with negative electricity can be concentrated on an anode to generate acidic ion oxidized water, so that molecular groups of the water are reduced in the decomposition process, the mineral substances are ionized, the electrolyzed water sequentially passes through the water inlet pipe 13 and the water outlet pipe 12 and reaches the surface of the mop cloth, the mop cloth can be sterilized and disinfected to a certain degree while being soaked and cleaned, the sanitation degree of the mop cloth is improved, and the problem that the household environment is polluted to a certain degree and the health of a human body is influenced when the cleaned mop cloth is subjected to subsequent ground cleaning work is avoided.

The sliding device 3 comprises a supporting member 31, the supporting member 31 is an "L" shaped supporting member 31, the rotating shaft is located on the horizontal portion of the supporting member 31, the side edge of the vertical portion of the supporting member 31 is provided with a fixing portion, and the water inlet pipe 13 passes through the fixing portion and is connected with the water outlet pipe 12. When the supporting member 118 is fixedly connected to the lower portion of the chassis 11, the water inlet pipe 13 sequentially passes through the fixing portion and the through hole to be connected with the water outlet pipe 12. The number of fixing parts corresponds to the number of inlet pipes 13. It will be appreciated that the slide 3 further includes components such as cranks, pulleys, slide bars, and links to effect reciprocating movement of the slide 3.

The driving device 2 is used for driving the sliding device 3 to reciprocate left and right and driving the chassis 11 to reciprocate through the supporting piece 31 so as to clean the mop cloth. The specific structure of the driving device 2 is not limited further, and the sliding device 3 may be driven to reciprocate left and right.

The utility model provides a robot of sweeping floor includes robot body and the aforementioned basic station 1000 of sweeping the floor, and robot body accepts in basic station 1000 of sweeping the floor, and the mop of robot body is swept in the cleaning assembly 1 washing in the basic station 1000, can also carry out the disinfection of disinfecting of certain degree to the mop, washs the mop through cleaning assembly 1, can effectively improve cleaning efficiency and cleaning performance.

In summary, the present invention facilitates the user to clean the residual garbage in the cleaning tank 1001 by the rotational connection between the chassis 11 and the supporting member 31. In addition, by providing the elastic member, automatic return of the chassis 11 can be achieved when the external force is cancelled. Further, by providing the fixing portion, the first water inlet pipe 131 and the second water inlet pipe 132 can be accommodated in the fixing portion, respectively. The automatic mop cleaning device is simple in structure, achieves the function of automatically cleaning mops, reduces the times of automatically replacing the mops by users, is high in cleaning efficiency and good in effect, reduces the production cost, and improves the experience of the users.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.

Claims (10)

1. A cleaning assembly for cleaning a mop of a cleaning device, characterized by: the cleaning assembly comprises a chassis, the chassis is located in the base station, a supporting piece is arranged in the base station, and the chassis is rotatably connected with the supporting piece.

2. The cleaning assembly of claim 1, wherein: the supporting piece is provided with a first rotating portion, a second rotating portion which is connected with the first rotating portion in a matched mode is arranged on the chassis corresponding to the first rotating portion, and the first rotating portion is connected with the second rotating portion in a rotating mode so that the chassis is connected with the supporting piece in a rotating mode.

3. The cleaning assembly of claim 2, wherein: the first rotating portion is a rotating shaft, the second rotating portion is a through groove, and the rotating shaft is inserted into the through groove so that the chassis is rotatably connected with the supporting piece.

4. The cleaning assembly of claim 2, wherein: the first rotating portion is a through groove, the second rotating portion is a rotating shaft, and the through groove is sleeved on the outer side of the rotating shaft, so that the chassis is rotatably connected with the supporting piece.

5. The cleaning assembly of claim 2, wherein: the cleaning assembly further comprises an elastic piece, and the elastic piece is respectively connected with the chassis and the supporting piece so as to drive the chassis to reset.

6. The cleaning assembly of claim 5, wherein: the elastic component is equipped with 2, every the elastic component is located respectively first rotation portion with between the second rotation portion, and every the link of elastic component respectively with the side of support piece and the chassis is close to support piece's one end fixed connection.

7. The cleaning assembly of claim 1, wherein: the chassis is provided with at least one connecting part, a fastener penetrates through the connecting part to connect the connecting part with the supporting part in a rotating manner, at least one connecting part is provided with first clamping parts which are circumferentially arranged, the supporting part is provided with second clamping parts at positions corresponding to the connecting part, and the first clamping parts are connected with the second clamping parts in a clamping manner.

8. The cleaning assembly of claim 7, wherein: the first clamping part is a clamping groove, the second clamping part is a clamping tooth matched with the clamping groove, and the clamping tooth is connected with the clamping groove in a clamping mode.

9. The cleaning assembly of claim 1, wherein: the sewage treatment device is characterized in that a filter screen is arranged below the base plate, the filter screen is positioned in the middle of the base plate and above the sewage tank, and the area of the filter screen is smaller than that of the base plate.

10. An automatic cleaning device is characterized in that: the automatic cleaning device comprises a driving device, a sliding device in driving connection with the driving device, and a cleaning assembly according to any one of claims 1-9, wherein the driving device drives the sliding device to drive the cleaning assembly to reciprocate so as to clean mops.

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