A rotary disc floor cleaning machine and cleaning system

Abstract

The application relates to the technical field of floor washing machines, in particular to a rotary disc type floor washing machine and a cleaning system, which comprises a rotary disc assembly arranged at the bottom of the floor washing machine, a wet wiping part connected with the rotary disc assembly, a dry wiping part arranged outside the wet wiping part in a surrounding mode, an air suction part arranged in the floor washing machine and communicated with the rotary disc assembly, and a self-cleaning assembly fixedly arranged at the bottom of the rotary disc assembly. In the application, the rotary disc assembly can drive the wet wiping part to rotate to rotateally wash the ground; when the wet wiping part works, the rotary disc assembly drives the wet wiping part to rotate circularly all the time, so that the wet wiping part continuously passes through the self-cleaning assembly during the process of cleaning the ground, the self-cleaning assembly scrapes off the water and garbage on the wet wiping part, the scraped water and garbage are sucked into the floor washing machine through the air suction part, and the residual water marks on the ground are wiped dry through the dry wiping part outside the rotary disc assembly, so that the cleaning effect is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of floor cleaning machines, in particular to a rotating disc type floor cleaning machine and cleaning system. BACKGROUND

[0002] Floor cleaning machines, as cleaning household appliances, are increasingly favored by the majority of users, especially wireless floor cleaning machine products, because they use battery power and are not bound by power lines during use, so they are particularly favored by users. With the development of floor cleaning machine products, users pay more and more attention to the cleaning efficiency of floor cleaning machine products.

[0003] The existing rotating disc type automatic floor cleaning machine will leave water marks after cleaning the ground. After cleaning an area, the garbage on the mop will be smeared on the ground along the movement track of the floor cleaning machine, resulting in incomplete cleaning and leaving a large amount of water marks and garbage on the ground after cleaning.

[0004] Therefore, the existing technology needs to be improved. SUMMARY

[0005] The main purpose of the present application is to provide a rotating disc type floor cleaning machine and cleaning system, which aims to solve the problem of leaving a large amount of water marks and garbage during cleaning of the floor cleaning machine.

[0006] In order to achieve the above purpose, the technical scheme of the present application is as follows: a rotating disc type floor cleaning machine, comprising: a rotating disc assembly arranged at the bottom of the floor cleaning machine, a wet mopping part connected with the rotating disc assembly, a dry mopping part arranged outside the wet mopping part, an air suction part arranged in the floor cleaning machine and communicated with the rotating disc assembly, and a self-cleaning assembly fixedly arranged at the bottom of the rotating disc assembly.

[0007] Among them, the rotating disc assembly can drive the wet mopping part to rotate and clean the floor, and the water and garbage on the wet mopping part can be scraped off by the self-cleaning assembly. The water and garbage left during cleaning will be sucked into the floor cleaning machine through the air suction part, and the water marks on the ground will be dried by the dry mopping part arranged outside the wet mopping part.

[0008] By adopting the above technical scheme, the rotating disc type floor cleaning machine comprises a rotating disc support, an inner ring mounting frame connected with the rotating disc support, an outer ring mounting frame floatingly arranged at the bottom of the edge of the rotating disc support, and an elastic sealing element arranged between the rotating disc support and the outer ring mounting frame.

[0009] Among them, the wet mopping part is arranged on the inner ring mounting frame, the dry mopping part and the self-cleaning assembly are arranged on the outer ring mounting frame, the inner ring mounting frame is provided with a first through hole, the first through hole is exposed to the ground relative to the wet mopping part, and the air suction part forms an air suction channel through the first through hole, so that the air suction part can suck and recycle the water and garbage on the ground through the first through hole.

[0010] The rotating disc type floor cleaning machine further comprises a clean water tank, a water guide column connected with the clean water tank, and an ultrasonic atomizer connected with the water guide column, and the ultrasonic atomizer is communicated with the wet mopping part.

[0011] The water guide column can guide the water in the clean water tank to the ultrasonic atomizer, the water is scattered into water mist by the ultrasonic atomizer, and the water mist is transported to the wet mopping part through the water pipe.

[0012] The rotating disc type floor cleaning machine further comprises a garbage can which is integrally formed on one side of the clean water tank, and the garbage can is connected with the air suction part through the sewage pipe.

[0013] The wet mopping part is a ring-shaped mop cloth which is floatingly arranged on the outer ring mounting frame, so that the ring-shaped mop cloth is in contact with the ground during floating to increase the negative pressure between the ring-shaped mop cloth and the ground, and the air suction part can suck the water and garbage into the garbage can under small wind power.

[0014] The rotating disc type floor cleaning machine further comprises an air outlet which is arranged on one side of the rotating disc type floor cleaning machine, the air outlet is connected with the garbage can through an air duct pipe, and the air suction part is communicated with the air outlet.

[0015] The rotating disc type floor cleaning machine further comprises a limiting screw which is arranged between the rotating disc support and the outer ring mounting frame, and the limiting screw is used for limiting the up-and-down floating position of the outer ring mounting frame.

[0016] The inner ring mounting frame is further provided with a second through hole, and the wet mopping part is arranged at the bottom of the second through hole.

[0017] The water mist reaches the wet mopping part and the ground through the second through hole, so that the wet mopping part can clean the ground in a wet manner.

[0018] The self-cleaning assembly is a scraper which is connected with the outer ring mounting frame, when the inner ring mounting frame drives the wet mopping part to rotate to the position of the scraper, the scraper is in interference contact with the wet mopping part and scrapes off the sewage on the wet mopping part, so that the wet mopping part is self-cleaned.

[0019] A cleaning system comprises the rotating disc type floor cleaning machine.

[0020] The beneficial effects brought by the present application: in the scheme of the present rotary disc type floor cleaning machine, the rotary disc assembly can drive the wet mop part to rotate for rotary floor cleaning, and when the wet mop part is working, the rotary disc assembly drives the wet mop part to rotate continuously, so that the wet mop part passes through the self-cleaning assembly during the cleaning process, so that the self-cleaning assembly scrapes off the water and garbage on the wet mop part, the scraped water and garbage are sucked into the floor cleaning machine through the air suction part, and the residual water marks on the ground are dried by the dry mop part outside the rotary disc assembly, thereby improving the cleaning effect, and solving the problem that the existing floor cleaning machine is easy to leave a large amount of water marks and garbage during cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0022] Figure 2 It is a schematic diagram of the cross-sectional structure of the rotary disc assembly of the present application;

[0023] Figure 3 It is a schematic diagram of the air suction part structure of the present application;

[0024] Figure 4 It is a schematic diagram of the explosion structure of the rotary disc assembly of the present application.

[0025] Among them, 1, rotary disc assembly; 2, wet mop part; 3, dry mop part; 20, rotary disc support; 21, inner ring mounting frame; 22, outer ring mounting frame; 23, elastic sealing element; 24, limiting screw; 210, first through hole; 211, second through hole; 4, air suction part; 5, self-cleaning assembly; 6, clean water tank; 7, water guide column; 8, ultrasonic atomizer; 9, garbage can; 10, air outlet; 11, driving assembly.

[0026] The implementation, functional characteristics and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0027] It should be understood that the embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0028] In the description of the present application, it needs to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0029] In the description of the present application, it needs to be understood that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "above" and "on" of the first feature to the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "under" and "under" of the first feature to the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0031] As Figure 1 shown, the embodiment of the present application provides a rotary disc type floor cleaning machine, which comprises: a rotary disc assembly 1 arranged at the bottom of the floor cleaning machine, a wet mopping part 2 connected with the rotary disc assembly 1, a dry mopping part 3 arranged around the outer side of the wet mopping part 2, an air suction part 4 arranged in the floor cleaning machine and communicated with the rotary disc assembly 1, and a self-cleaning assembly 5 fixedly arranged at the bottom of the rotary disc assembly 1.

[0032] The rotating disc assembly 1 can drive the wet mopping part 2 to rotate and wash the floor, and the self-cleaning assembly 5 can scrape the water and garbage on the wet mopping part 2, and the water and garbage remaining on the floor during the washing process can be sucked into the floor cleaning machine through the air suction part 4 and then be dried by the dry mopping part 3 arranged outside the wet mopping part 2.

[0033] In this embodiment, the rotating disc assembly 1 can drive the wet mopping part 2 to rotate and wash the floor, the dry mopping part 3 can quickly dry the water traces remaining on the wet mopping part 2 after cleaning, thereby improving the cleaning effect, the self-cleaning assembly 5 can scrape the water and garbage on the wet mopping part 2, and when the rotating disc assembly 1 drives the wet mopping part 2 to rotate to a fixed position, the self-cleaning assembly 5 can scrape the water and garbage on the wet mopping part 2, thereby achieving the self-cleaning effect of the wet mopping part 2, and the air suction part 4 can suck the water and garbage scraped by the self-cleaning assembly 5 into the floor cleaning machine through negative pressure, thereby recycling the water and garbage on the floor and improving the cleaning effect.

[0034] Specifically, the rotating disc assembly 1 can drive the wet mopping part 2 to rotate and wash the floor, and when the wet mopping part 2 is working, the rotating disc assembly 1 drives the wet mopping part 2 to rotate and circulate all the time, so that the wet mopping part 2 continuously passes through the self-cleaning assembly 5 during the cleaning process, the self-cleaning assembly 5 scrapes the water and garbage on the wet mopping part 2, the scraped water and garbage are sucked into the floor cleaning machine through the air suction part 4, and the residual water traces on the floor are dried by the dry mopping part 3 arranged outside the rotating disc assembly 1, thereby improving the cleaning effect and solving the problem that the floor cleaning machine in the prior art is prone to leaving a large amount of water traces and garbage during cleaning.

[0035] As shown in Figure 2 Further, the rotating disc assembly 1 comprises a rotating disc support 20, an inner ring mounting bracket 21 connected with the rotating disc support 20, an outer ring mounting bracket 22 floatingly arranged at the bottom edge of the rotating disc support 20, and an elastic sealing member 23 arranged between the rotating disc support 20 and the outer ring mounting bracket 22.

[0036] The wet mopping part 2 is arranged on the inner ring mounting bracket 21, the dry mopping part 3 and the self-cleaning assembly 5 are arranged on the outer ring mounting bracket 22, the inner ring mounting bracket 21 is provided with a first through hole 210, the first through hole 210 is exposed to the ground relative to the wet mopping part 2, and the air suction part 4 forms an air suction channel through the first through hole 210, so that the air suction part 4 can suck and recycle the water and garbage on the ground through the first through hole 210.

[0037] In this embodiment, the inner ring mounting frame 21 can be used to mount the wet mop part 2, and the first through hole 210 provided on the inner ring mounting frame 21 allows the air suction part 4 to suck water and garbage on the ground into the floor cleaning machine through the first through hole 210; the outer ring mounting frame 22 is floatingly arranged and can be used to mount the dry mop part 3, so that the dry mop part 3 can float up and down in the outer ring mounting frame 22, thereby increasing the negative pressure in the floor cleaning machine when the air suction part 4 sucks water and garbage, so that the water and garbage can be easily sucked in when the suction force is small; the elastic sealing sponge is arranged between the turntable support 20 and the outer ring mounting frame 22, so that the outer ring mounting frame 22 can float up and down on the turntable support 20, and the sealing between the turntable support 20 and the outer ring mounting frame 22 can be improved.

[0038] As shown in Figure 3 , further, the floor cleaning machine is further provided with a clean water tank 6, a water guide column 7 connected with the clean water tank 6, and an ultrasonic atomizer 8 connected with the water guide column 7, wherein the ultrasonic atomizer 8 is in communication with the wet mop part 2.

[0039] The water guide column can guide the water in the clean water tank 6 out of the ultrasonic atomizer 8, the water is dispersed into water mist by the ultrasonic atomizer 8, and the water mist is delivered to the wet mop part 2 through the water pipe.

[0040] In this embodiment, the clean water tank 6 is provided, the user can add clean water or cleaning liquid to the clean water tank 6, the clean water tank 6 guides the clean water out of the ultrasonic atomizer 8 to disperse the clean water by ultrasonic waves, thereby forming water mist, and the water mist is delivered to the cleaning part through the water pipe to be wetted, the water mist wetting method can improve the cleaning effect, and the self-cleaning assembly 5 is arranged at the fixed position of the wet mop part 2, so that when the wet mop part 2 rotates to the fixed position, the surface water and garbage can be scraped off by the self-cleaning assembly 5, and then the dry mop part 3 wipes off the water and traces, and the air suction part 4 sucks in the garbage. In order to avoid the traditional floor cleaning machine using the method of pouring water on the ground to clean the floor, a large amount of water traces and garbage are easily left on the ground when the floor is cleaned by pouring water, and the garbage cannot be effectively cleaned.

[0041] As shown in Figure 2 , further, the clean water tank 6 is further provided with an integrated garbage can 9, and the garbage can 9 is connected with the air suction part 4 through a sewage pipe.

[0042] In this embodiment, the garbage can 9 is connected with the air suction part 4, so that when the air suction part 4 sucks air through the first through hole 210, the sucked water and garbage can be guided into the garbage can 9 through the sewage pipe, thereby realizing the recycling of garbage and improving the cleaning effect, so as to avoid the influence of a large amount of water and garbage left on the ground on the cleaning effect when the floor cleaning machine is cleaning the floor.

[0043] As Figure 4 shown, further, the dry mop part 3 is a ring-shaped mop, which is floatingly arranged on the outer ring mounting frame 22, so that the ring-shaped mop is in close contact with the ground during floating, so as to increase the negative pressure between the ring-shaped mop and the ground, so that the air suction part 4 can suck water and garbage into the garbage can 9 under smaller wind power.

[0044] In this embodiment, the dry mop part 3 adopts a ring-shaped mop, which is floatingly arranged on the outer ring mounting frame 22, so as to enhance the sealing between the ring-shaped mop and the ground, so that the air suction part 4 can suck water and garbage under negative pressure, and the ability to suck garbage is improved. Since the scrubber is easy to cause poor endurance of the scrubber under larger power on the suction part, the negative pressure between the air suction part 4 and the ground is changed, so that the air suction part 4 can easily suck water and garbage into the garbage can 9 under smaller suction.

[0045] As Figure 3 shown, further, one side of the scrubber is provided with an air outlet 10, the air outlet 10 is connected with the garbage can 9 through an air duct, and the air suction part 4 is communicated with the air outlet 10.

[0046] In this embodiment, the air outlet 10 is arranged to connect the air suction part 4, so that the air suction part 4 can achieve air flow circulation when sucking air. The air suction part 4 sucks air in the garbage can 9, so that negative pressure occurs in the garbage can 9. The garbage can 9 sucks air through the sewage pipe to the first through hole 210, so that negative pressure is formed between the ground and the annular space position of the dry mop part 3, so as to suck water and garbage on the ground into the sewage pipe and then into the garbage can 9.

[0047] As Figure 2 shown, further, the rotating disc assembly 1 is further provided with a limiting screw 24, the limiting screw 24 is arranged between the rotating disc support 20 and the outer ring mounting frame 22, and the limiting screw 24 is used to limit the up-and-down floating position of the outer ring mounting frame 22.

[0048] In this embodiment, the limiting screw 24 is arranged to limit the outer ring mounting frame 22 and the rotating disc support 20. The end of the limiting screw 24 is provided with a larger contact surface, which is used to support the outer ring mounting frame 22. The limiting screw 24 can limit the lowest position of the outer ring mounting frame 22 when it moves up and down, so as to limit the outer ring mounting frame 22.

[0049] As Figure 4 shown, further, the inner ring mounting frame 21 is further provided with a second through hole 211, and the wet mop part 2 is arranged at the bottom of the second through hole 211.

[0050] The water mist reaches the wet mopping section 2 and the ground through the second through hole 211, so that the wet mopping section 2 cleans the ground in a moist manner.

[0051] In this embodiment, the inner ring mounting bracket 21 is provided with a second through hole 211, so that the clean water in the clean water tank 6 can reach the bottom wet mopping part 2 through the second through hole 211, so that the wet mopping part 2 can wet the ground in the form of water mist, thereby achieving the effect of washing the floor.

[0052] like Figure 1 As shown, the self-cleaning component 5 is a scraper, which is connected to the outer ring mounting bracket 22. When the inner ring mounting bracket 21 drives the wet mopping part 2 to rotate to the position of the scraper, the scraper makes interference contact with the wet mopping part 2 and scrapes off the sewage on the wet mopping part 2, so that the wet mopping part 2 is self-cleaning.

[0053] In this embodiment, the self-cleaning component 5 uses a scraper. By connecting the scraper laterally to the inner ring mounting frame 21, the inner ring mounting frame 21 can scrape off excess sewage, water, and garbage from the surface of the wet mopping part 2 at the location where the scraper passes when the cleaning part 2 rotates, thereby achieving self-cleaning of the wet mopping part 2. The wet mopping part 2 rotates continuously, achieving uninterrupted self-cleaning. The scraped water and garbage are then sucked into the garbage bin 9 by the suction part 4 for recycling, achieving double cleaning of the floor and improving the cleaning ability of the floor scrubber.

[0054] Furthermore, the wet mopping section 2 is a replaceable cleaning mop. In this embodiment, the wet mopping section 2 uses a replaceable cleaning mop. By setting the cleaning mop at the bottom of the second through hole 211, the inner ring mounting bracket 21 drives the cleaning mop to rotate and clean the floor. After the cleaning work is completed, the cleaning mop can be disassembled for cleaning or replaced periodically to avoid the growth of bacteria.

[0055] like Figure 2 As shown, the floor scrubber is further provided with a drive assembly 11, which is connected to the inner ring mounting frame 21 and is used to drive the inner ring mounting frame 21 to rotate.

[0056] In this embodiment, the drive component 11 can drive the inner ring mounting frame 21 to rotate, so that the inner ring mounting frame 21 drives the wet mopping part 2 to rotate, thereby realizing the floor scrubbing machine to perform rotary floor scrubbing.

[0057] A cleaning system comprising the aforementioned rotary floor scrubber.

[0058] Furthermore, the cleaning system is equipped with a detection and reminder module, which is used to detect the water level in the clean water tank 6. When the water level in the clean water tank 6 is detected to be lower than the preset scale line, the user will be reminded to add water to the clean water tank 6.

[0059] In the embodiment, the detection reminding module arranged in the cleaning system can be used to detect the water level in the clean water tank 6. When it is detected that the water level in the clean water tank 6 is lower than the preset scale water level, a reminder can be sent to remind the user to add clean water, so as to avoid the problem that the wet mop part 2 fails to wet the ground and causes poor cleaning effect.

[0060] With the above technical solutions, in the scheme of the rotary disc type floor cleaning machine, the rotary disc assembly 1 can drive the wet mop part 2 to rotate to clean the ground in a rotary manner. When the wet mop part 2 works, the rotary disc assembly 1 drives the wet mop part 2 to rotate and circulate all the time, so that the wet mop part 2 continuously passes through the self-cleaning assembly 5 in the process of cleaning the ground. Thus, the self-cleaning assembly 5 scrapes off the water and garbage on the wet mop part 2, the scraped water and garbage are sucked into the floor cleaning machine through the air suction part 4, and the residual water marks on the ground are dried by the dry mop part 3 outside the rotary disc assembly 1, thereby improving the cleaning effect and solving the problem that the existing floor cleaning machine is prone to leaving a large amount of water marks and garbage during cleaning.

[0061] The above is only the preferred embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent flow transformation based on the content of the specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection scope of the present application.

Claims

1. A rotary floor scrubber, characterized in that, include: The floor scrubber includes a turntable assembly at the bottom, a wet mopping section connected to the turntable assembly, a mopping head surrounding the outside of the wet mopping section, an air intake section inside the floor scrubber and communicating with the turntable assembly, and a self-cleaning assembly fixedly installed at the bottom of the turntable assembly. The turntable assembly can drive the wet mopping part to rotate and wash the floor, and the self-cleaning component can scrape off the water and debris on the wet mopping part. The water and debris remaining during the washing process will be sucked into the floor scrubber through the air intake, and then the water on the floor will be dried by the mopping head set on the outside of the wet mopping part. The turntable assembly includes a turntable bracket, an inner ring mounting bracket connected to the turntable bracket, an outer ring mounting bracket floatingly disposed at the bottom edge of the turntable bracket, and an elastic seal disposed between the turntable bracket and the outer ring mounting bracket. The wet mopping part is mounted on the inner ring mounting frame, the mop head and the self-cleaning component are respectively mounted on the outer ring mounting frame, the inner ring mounting frame is provided with a first through hole, the first through hole is exposed on the ground relative to the wet mopping part, and the air suction part forms an air suction channel through the first through hole, so that the air suction part can suck up and recycle water and garbage on the ground through the first through hole. The rotary floor scrubber is equipped with a drive assembly, which is connected to the inner ring mounting frame and is used to drive the inner ring mounting frame to rotate, thereby causing the inner ring mounting frame to drive the wet mopping part to rotate.

2. The rotary floor scrubber according to claim 1, characterized in that, It is also equipped with a clean water tank, a water guide column connected to the clean water tank, and an ultrasonic atomizer connected to the water guide column. The ultrasonic atomizer is connected to the wet mopping section. The water guide column can guide the water in the clean water tank to the ultrasonic atomizer, where the water is ultrasonically dispersed into water mist, and then the water mist is transported to the wet mopping section through the water pipe.

3. The rotary floor scrubber according to claim 2, characterized in that, A one-piece molded garbage bin is also provided on one side of the clean water tank, and the garbage bin is connected to the air intake unit through a sewage pipe.

4. The rotary floor scrubber according to claim 3, characterized in that, The mop head is a ring-shaped mop cloth, which is floatingly mounted on the outer ring mounting frame. This allows the ring-shaped mop cloth to adhere to the ground during the floating process, thereby increasing the negative pressure between the ring-shaped mop cloth and the ground. This allows the suction unit to draw water and garbage into the garbage bin under the force of the air.

5. The rotary floor scrubber according to claim 3, characterized in that, The floor scrubber has an air outlet on one side, which is connected to the trash can via an air duct. The suction unit is connected to the air outlet.

6. The rotary floor scrubber according to claim 1, characterized in that, The turntable assembly is also provided with a limiting screw, which is located between the turntable bracket and the outer ring mounting bracket. The limiting screw is used to limit the vertical movement of the outer ring mounting bracket.

7. The rotary floor scrubber according to claim 2, characterized in that, The inner ring mounting bracket is also provided with a second through hole, and the wet drag part is located at the bottom of the second through hole; The water mist reaches the wet mopping section and the ground through the second through hole, so that the wet mopping section cleans the ground in a moist manner.

8. The rotary floor scrubber according to claim 1, characterized in that, The self-cleaning component is a scraper, which is connected to the outer ring mounting bracket. When the inner ring mounting bracket rotates the wet mopping part to the position of the scraper, the scraper makes interference contact with the wet mopping part and scrapes off the sewage on the wet mopping part, so that the wet mopping part is self-cleaning.

9. A cleaning system comprising a rotary floor scrubber as described in any one of claims 1 to 8.

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