Water cup assembly for cleaning machine and cleaning machine

Abstract

The invention relates to a water cup assembly for a cleaning machine and the cleaning machine. The water cup assembly comprises a water cup. The filter plate covers the top opening of the water cup; a drainage structure; the slag basket structure comprises a frame body, a filter screen; a second water passing opening located below the first water passing opening is further formed in the peripheral wall of the frame body and located below the through hole. The filter screen can move up and down relative to the frame body to a first position and a second position, the filter screen is located at the first position and shields the first water passing opening in the state that the drainage valve cuts off an inlet of the drainage pump, the filter screen is located at the second position and shields the second water passing opening in the state that the drainage valve communicates with the inlet of the drainage pump, and the first water passing opening is opened; the brush can be in contact with the peripheral wall of the filter screen, and when the filter screen is in the second position, the brush rotates around the vertically extending axis to brush the filter screen. And each time of water inlet and drainage is self-cleaning, so that the cleaning effect and the self-cleaning effect are better improved.

Description

Technical Field

[0001] The present invention relates to the technical field of washing machines for washing tableware and / or fruits and vegetables, and in particular to a water cup assembly for a washing machine and a washing machine. Background Art

[0002] As people's living standards continue to improve, dishwashers, as a kitchen appliance, are increasingly entering households. A dishwasher generally includes a housing and a spray device disposed in the housing, the spray device being used to draw water from the bottom of the housing into a water spray component and spraying it into a washing chamber to wash dishes.

[0003] A drain area is generally provided at the bottom of the dishwasher to realize water circulation, such as the "A slag basket, a sink-type cleaning machine with the slag basket, and a cleaning method" disclosed in the Chinese invention patent application with patent number CN202011623665.X (publication number CN114081410A). The slag basket includes: a basket seat, which is a vertical cylindrical structure with a cavity inside, and the upper end of the basket seat is open for food residues to enter; a basket cover, covering the upper end of the basket seat, the basket cover has a vertically extending annular side wall and a top wall covering the top end of the annular side wall, and the annular side wall is provided with a slag drop hole connected to the upper end opening of the basket seat for food residues to fall into. The water tank cleaning machine includes a slag discharge pipe arranged below the water tank body for food residues and water in the water tank body to be discharged along the pipe, a drainage pump arranged in the slag discharge pipe for pumping out food residues and water in the slag discharge pipe, and a valve body arranged in the slag discharge pipe for opening and closing the passage in the slag discharge pipe. The inlet of the slag discharge pipe is arranged upward on the drain port, and the inlet of the slag discharge pipe is connected with the slag dropping channel in the basket seat. The maximum inner diameter of the slag discharge pipe is greater than the maximum aperture of the slag dropping hole.

[0004] The bottom of the water tank body has a drain area at least in the central part, and a pump body is arranged in the drain area to pump the water in the drain area to the top of the drain area, and the drain area is covered with a drain plate, and the space above the drain plate is the above-mentioned cleaning chamber; the drain port is located in the drain area, and the slag hole is exposed above the drain plate, and the lower edge of the slag hole is basically on the same horizontal plane as the upper surface of the drain plate; at least part of the basket seat is located in the drain area, and a filter screen is correspondingly arranged on the side wall of the basket seat. In this way, part of the water can enter the drain area through the slag basket, and then be pumped out to the cleaning chamber through the pump body for circulation.

[0005] The patent discloses a filter screen on the peripheral wall of the basket seat corresponding to the drain area to filter out the residue, but the residue is difficult to be cleaned manually. When the water circulates in the drain area, it will be contaminated by the residue for the second time, and the return water efficiency will also be affected. In addition, the residue is easily retained on the filter screen, which is likely to contaminate the water again during the next cleaning, affecting the cleaning effect of the dishwasher. Summary of the invention

[0006] The first technical problem to be solved by the present invention is to provide a water cup assembly for a cleaning machine that prevents residues in a slag basket structure from contaminating a drain area of ​​a water cup in response to the current state of the prior art.

[0007] The second technical problem to be solved by the present invention is to provide a cleaning machine using the above-mentioned water cup assembly in view of the current status of the prior art.

[0008] The technical solution adopted by the present invention to solve the above-mentioned first technical problem is: a water cup assembly for a washing machine, comprising

[0009] A water cup, wherein the water cup has a drain area with an open top, and a through hole connected to the drain area is provided at the bottom of the drain area;

[0010] A filter plate is covered on the top opening of the water cup;

[0011] A drainage structure, including a drainage pump for pumping water out of the drainage area and a drainage valve for cutting off or connecting the inlet of the drainage pump;

[0012] Slag basket structure, including

[0013] The frame is in a vertically penetrating cylindrical shape and is fixedly inserted in the through hole, the top opening of the frame is located above the filter plate or flush with the upper surface of the filter plate, and a first water outlet is provided on the peripheral wall of the frame, and the first water outlet is located in the drainage area;

[0014] A filter is located in the frame;

[0015] The invention is characterized in that a second water outlet is further provided on the peripheral wall of the frame body and is located below the first water outlet, and the second water outlet is located below the through hole; the filter screen can move up and down relative to the frame body to a first position and a second position, and when the drain valve cuts off the inlet of the drain pump, the filter screen is in the first position and blocks the first water outlet, and when the drain valve is connected to the inlet of the drain pump, the filter screen is in the second position and blocks the second water outlet, and the first water outlet is open;

[0016] The water cup assembly also includes a brush arranged in the frame, and the brush can contact the peripheral wall of the filter screen. When the filter screen is in the second position, the brush rotates around a vertically extending axis to brush the filter screen.

[0017] The filter screen can be a plurality of pieces of separate design, or the filter screen can be in the shape of a vertically penetrating cylinder. In this way, the filter screen is an integrated part, which is easy to process and manufacture, and can be raised or lowered as a whole.

[0018] The filter can be driven up and down by a driving mechanism such as a motor, but the driving mechanism takes up space in the frame, affects the flow of water, and increases the cost. Therefore, a buoyancy cylinder that can float up under the action of water force is provided at the bottom of the filter. When water enters the drainage area, the buoyancy cylinder moves up under the action of buoyancy, and moves up with the filter synchronously; when the drainage area is drained, the filter and the buoyancy cylinder move downward under the impact of the water flow; in this way, only a buoyancy cylinder made of lightweight material is simply set up, and in conjunction with the water flow, the filter can be moved up and down, and the structure is simplified.

[0019] In the above scheme, the filter screen and the buoyancy cylinder are connected by a connecting ring, a vertically extending mounting shaft is provided at the central portion of the connecting ring, a water-passing gap is provided between the mounting shaft and the peripheral wall of the connecting ring, and the brush is rotatably mounted on the mounting shaft. The mounting frame structure formed by the connecting ring and the mounting shaft not only realizes the fixed connection between the filter screen and the connecting ring, but also can be used to mount the brush, and has a compact structure.

[0020] A motor can be set to drive the brush to rotate, but this involves more parts, so the water cup assembly also includes a first impeller, the first impeller includes a first mounting rod mounted on the mounting shaft, the first mounting rod is provided with a first blade on the peripheral wall thereof to drive the first mounting rod to rotate under the impact of the water flow, and the first mounting rod is mounted on the mounting shaft and can rotate relative to the mounting shaft around an axis extending vertically, the brush is mounted on a second mounting rod, the second mounting rod is fixedly connected to the first mounting rod and the two are coaxial. When draining water, the first impeller rotates under the impact of the water flow, and because the second mounting rod is fixedly connected to the first mounting rod, the first impeller drives the brush to rotate synchronously.

[0021] In order to enable the first impeller to rotate under the drive of water flow, the first blade has at least two pieces arranged at intervals along the circumference of the first mounting rod, each of the first blades extends spirally along the circumference of the first mounting rod, and the upper surface of each first blade is a water-facing surface facing the water flow.

[0022] In order to further prevent residues from remaining on the filter screen, a hollow spraying part is provided on the mounting shaft, and the spraying part can rotate around the mounting shaft. A water inlet and a nozzle are provided on the top wall of the spraying part, and the nozzle is located outside the water inlet and faces the filter screen. The brush cooperates with the water flow sprayed by the spraying part to scrub the residues on the filter screen, and the cleaning effect is good.

[0023] A motor can be set to drive the spray part to rotate, but this involves more parts, so the mounting shaft is also provided with a second impeller that can rotate relative to it, the second impeller is coaxially arranged with the first impeller and relatively fixed, and the second impeller is fixedly connected to the spray part and can drive the spray part to rotate. When the first impeller rotates, it not only drives the brush to rotate, but also drives the second impeller to rotate. Because the second impeller is fixedly connected to the spray part, the second impeller drives the spray part to rotate to spray water on the filter screen.

[0024] In order to allow the water entering the slag basket to flow to the first impeller and ensure sufficient water flow impact force to rotate the first impeller, the water cup assembly also includes a water collecting pipe extending vertically and open at both ends. The water collecting pipe is in a cone shape with a larger top and a smaller bottom. The lower end of the water collecting pipe is located in the filter. The water collecting pipe can move up and down, and the water collecting pipe is always located above the first impeller. The water collecting pipe not only serves to guide water to the first impeller, but also has a funnel shape, which can prevent the residue in the lower part of the water collecting pipe from flowing back into the drainage area from the open top of the slag basket.

[0025] In order to limit the up and down movement of the water collecting pipe and the filter, the first limiting part and the second limiting part for limiting the water collecting pipe are vertically spaced on the frame. When the filter is in the first position, the water collecting pipe abuts against the first limiting part, and the top of the filter abuts against the outer peripheral wall of the water collecting pipe. When the filter is in the second position, the filter abuts against the bottom wall of the frame, and the water collecting pipe abuts against the second limiting part.

[0026] The technical solution adopted by the present invention to solve the above-mentioned second technical problem is: a cleaning machine, characterized in that it includes a box body and the above-mentioned water cup assembly, the bottom wall of the box body is the water cup, or the bottom wall of the box body is provided with a notch, the water cup is installed at the bottom of the box body, and the top of the water cup faces the notch of the box body.

[0027] Compared with the prior art, the advantages of the present invention are as follows: a first water outlet and a second water outlet are provided on the peripheral wall of the frame of the present invention, and the second water outlet is located below the through hole; the filter screen can move up and down relative to the frame body to a first position and a second position, and when the drain valve cuts off the inlet of the drain pump, the filter screen is in the first position and blocks the first water outlet, and when the drain valve is connected to the inlet of the drain pump, the filter screen is in the second position and blocks the second water outlet, and the first water outlet is opened, and in this state, the brush rotates around the vertically extending axis to scrub the filter screen.

[0028] When the drain valve cuts off the inlet of the drain pump, water flows into the drain area, and the filter is in the first position, it is cleaned normally and the slag basket can filter the residue; when drainage is required, the drain valve connects to the inlet of the drain pump, the filter is in the second position, and the brush scrubs the filter to clean the food residue attached to the filter. Since the entire self-cleaning process is carried out below the through hole, the cleaned food residue will only stay below the drain area and be discharged along with the drainage structure, and the residue will not be left in the drain area, thereby improving the cleaning effect and reducing secondary pollution. Each time a water inlet and outlet is a self-cleaning, thus better improving the cleaning effect and self-cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic structural diagram of a water cup assembly according to an embodiment of the present invention;

[0030] Figure 2 for Figure 1 (the filter is in the second position);

[0031] Figure 3 for Figure 2 A magnified image of point A;

[0032] Figure 4 for Figure 3 A schematic diagram of the structure of the slag basket structure (the water collecting pipe is not shown);

[0033] Figure 5 for Figure 3 Schematic diagram of the exploded structure of the slag basket;

[0034] Figure 6 for Figure 1 (the filter is in the first position);

[0035] Figure 7 for Figure 6 Schematic diagram of the structure of a water cup. DETAILED DESCRIPTION

[0036] The present invention is further described in detail below with reference to the accompanying drawings.

[0037] like Figures 1 to 7 As shown, the cleaning machine of this preferred embodiment includes a box body (not shown in the figure) and a water cup assembly, the water cup assembly includes a water cup 1 and a filter plate (not shown in the figure), the water cup 1 has a drain area 11 with an open top, and the water cup 1 is provided with a through hole 12 connected to the drain area 11 at the bottom of the drain area 11, and the filter plate cover is provided at the top open part of the water cup 1. The bottom wall of the box body is the water cup 1, or the bottom wall of the box body is provided with a notch, the water cup 1 is installed at the bottom of the box body, and the top of the water cup 1 faces the notch of the box body. These are existing technologies and will not be repeated here.

[0038] The water cup assembly also includes a drainage structure, including a drainage pump for pumping water out of the drain area 11 and a drainage valve for cutting off or connecting the inlet of the drainage pump. The specific structure of the drainage structure and its coordination with the water cup 1 all adopt the existing technology and will not be repeated here. For example, a pump housing is set at the bottom of the water cup, and the lower part of the frame 2 below is located in the pump housing. The drainage pump and the drainage valve are both set on the pump housing to process the water in the pump housing. You can also refer to the patents disclosed in the background technology of this application, and you can also refer to the many existing patents applied by the applicant regarding this part.

[0039] The water cup assembly also includes a slag basket structure, which includes a frame 2, a filter screen 3, a brush 4, a first impeller 5, a second impeller 6, a spray part 7, a buoyancy cylinder 8, etc.

[0040] The frame 2 is in the shape of a vertically penetrating cylinder and is fixedly inserted in the through hole 12. The assembly between the frame 2 and the water cup 1 can be achieved through the existing rotation positioning structure, that is, a clamping block is provided on the frame 2, and a clamping groove for the clamping block to be rotatably engaged is provided on the peripheral wall of the through hole 12 on the water cup 1, and the frame 2 and the water cup 1 can be detachably connected; of course, the frame 2 and the through hole 12 can also be tightly matched. Preferably, the drainage area 11 is partially concave to form a slag collection area 13, and the through hole 12 is provided at the bottom of the slag collection area 13, so that the water in the drainage area 11 flows toward the slag basket structure.

[0041] The top opening of the frame 2 is located above the filter plate or flush with the upper surface of the filter plate. The top opening of the frame 2 serves as a water inlet 20 for water flowing above the drain area 11 in the box to enter the slag basket.

[0042] A first water outlet 21 and a second water outlet 22 located below the first water outlet 21 are provided on the peripheral wall of the frame 2 . The first water outlet 21 is located in the drainage area 11 , and the second water outlet 22 is located below the through hole 12 .

[0043] The filter screen 3 is located in the frame 2, and the filter screen 3 can move up and down to a first position and a second position relative to the frame 2. When the drain valve cuts off the inlet of the drain pump, the filter screen 3 is in the first position and blocks the first water outlet 21, and the second water outlet 22 is open. When the drain valve is connected to the inlet of the drain pump, the filter screen 3 is in the second position and blocks the second water outlet 22, and the first water outlet 21 is open.

[0044] In this embodiment, the filter screen 3 is in the shape of a vertically penetrating cylinder, and a buoyancy cylinder 8 capable of floating under the action of water force is provided at the bottom of the filter screen 3. The filter screen 3 and the buoyancy cylinder 8 are connected via a connecting ring 91, and a vertically extending mounting shaft 92 is provided at the central portion of the connecting ring 91. There is a water-passing gap between the mounting shaft 92 and the peripheral wall of the connecting ring 91, and the mounting ring and the connecting ring 91 are connected via connecting ribs 93, and there are multiple connecting ribs 93 arranged at intervals along the circumference of the connecting ring 91. The filter screen 3 can be bonded to the connecting ring 91, and a dovetail groove-shaped protrusion 911 is provided at the bottom of the connecting ring 91, and a dovetail groove 81 capable of embedding the protrusion 911 is provided on the top wall of the buoyancy cylinder 8, so as to achieve relative fixation of the connecting ring 91 and the buoyancy cylinder 8.

[0045] When the drain valve cuts off the inlet of the drain pump and water enters the drain area 11, the buoyancy cylinder 8 moves upward under the action of buoyancy, and moves the filter screen 3 upward synchronously; when the drain valve connects the inlet of the drain pump and the drain area 11 to drain water, the filter screen 3 and the buoyancy cylinder 8 both move downward under the impact of the water flow; in this way, only a buoyancy cylinder 8 made of lightweight material is simply set up, and in conjunction with the water flow, the filter screen 3 can be moved up and down, and the structure is simplified.

[0046] The brush 4 is disposed in the frame 2 , and can contact the peripheral wall of the filter 3 . The brush 4 can be rotatably mounted on the mounting shaft 92 . When the filter 3 is in the second position, the brush 4 rotates around the vertically extending axis to scrub the filter 3 .

[0047] Specifically, the first impeller 5 includes a first mounting rod 51 mounted on the mounting shaft 92, and a first blade 52 is provided on the peripheral wall of the first mounting rod 51 to drive the first mounting rod 51 to rotate under the impact of the water flow. The first blade 52 has at least two blades arranged at intervals along the circumference of the first mounting rod 51, and each first blade 52 extends along the circumference of the first mounting rod 51 in a spiral, and the upper surface of each first blade 52 is a water-facing surface facing the water flow. It should be noted that the method of driving the first blade 52 to rotate is not limited to the water flow drive method of this embodiment. A motor can be provided on the mounting shaft 92, and the motor is connected to the first impeller 5 to drive the first impeller 5 to rotate.

[0048] The first mounting rod 51 can rotate relative to the mounting shaft 92 around the vertically extending axis, and the brush 4 is mounted on the second mounting rod 42. The second mounting rod 42 is fixedly connected to the first mounting rod 51 and the two are coaxial. When draining water, the first impeller 5 rotates under the impact of the water flow, and because the second mounting rod 42 is fixedly connected to the first mounting rod 51, the first impeller 5 drives the brush 4 to rotate synchronously.

[0049] The mounting shaft 92 is also provided with a spraying member 7 with a hollow interior, which can rotate around the mounting shaft 92. A water inlet 71 and a nozzle 72 are provided on the top wall of the spraying member 7. The nozzle 72 is located outside the water inlet 71 and faces the filter 3. The brush 4 cooperates with the water flow sprayed by the spraying member 7 to scrub the residue on the filter 3, and the cleaning effect is good.

[0050] The second impeller 6 is coaxially arranged with the first impeller 5 and relatively fixed, and the second impeller 6 is fixedly connected to the spraying part 7 and can drive the spraying part 7 to rotate. When the first impeller 5 rotates, it not only drives the brush 4 to rotate, but also drives the second impeller 6 to rotate. Because the second impeller 6 is fixedly connected to the spraying part 7, the second impeller 6 drives the spraying part 7 to rotate to spray water on the filter 3.

[0051] In this embodiment, a convex portion 921 is provided on the peripheral wall of the mounting shaft 92, and a through hole for the mounting shaft 92 to pass through is provided on the bottom wall of the spray member 7, and a circle of grooves 73 with grooves facing the convex portion 921 are provided around the circumference of the through hole on the bottom wall of the spray member 7, and the convex portion 921 is embedded in the embedded groove 73 to position the spray member 7 in the vertical direction; and the bottom wall of the spray member 7 can rotate around the axis of the mounting shaft 92.

[0052] The lower part of the second impeller 6 is located in the spraying member 7 and is fixedly connected to the spraying member 7. The upper end of the second impeller 6 passes through the water inlet 71 and is fixedly connected to the first mounting rod 51 of the first impeller 5. In this embodiment, the two are connected by threads. The second impeller 6 can be in the same structural form as the first impeller 5, or it can be just a rod body installed on the mounting shaft 92.

[0053] The water cup assembly also includes a water collecting pipe 0 extending vertically and open at both ends. The water collecting pipe 0 is in the shape of a cone with a larger top and a smaller bottom. The lower end of the water collecting pipe 0 is located in the filter 3. The water collecting pipe 0 can move up and down, and the water collecting pipe 0 is always located above the first impeller 5; the water collecting pipe 0 not only serves to guide water to the first impeller 5, ensuring sufficient water flow impact force to rotate the first impeller 5, but also the water collecting pipe 0 is in the shape of a funnel, which can prevent the residue at the bottom of the water collecting pipe 0 from flowing back from the open top of the slag basket to the drainage area 11.

[0054] A first limiting portion 23 and a second limiting portion 24 for limiting the water collecting pipe 0 are vertically spaced along the upper edge of the frame 2. When the filter screen 3 is in the first position, the water collecting pipe 0 abuts against the first limiting portion 23, and the top of the filter screen 3 abuts against the outer peripheral wall of the water collecting pipe 0, thereby limiting the upper limit position of the water collecting pipe 0 and the filter screen 3. When the filter screen 3 is in the second position, the filter screen 3 abuts against the bottom wall of the frame 2, and the water collecting pipe 0 abuts against the second limiting portion 24, thereby limiting the lower limit position of the filter screen 3 and the water collecting pipe 0.

[0055] In this embodiment, the first limiting portion 23 is the top wall of the first water outlet 21 of the frame body 2 , and the second limiting portion 24 is the bottom wall of the first water outlet 21 of the frame body 2 .

[0056] In this embodiment, the second mounting rod 42 , the first mounting rod 51 , and the second impeller 6 are sequentially arranged from top to bottom along the axial direction of the mounting shaft 92 .

[0057] The working process of the water cup 1 assembly of this embodiment is as follows:

[0058] When the drain valve cuts off the inlet of the drain pump, water enters the drain area 11, and the buoyancy cylinder 8 moves upward under the buoyancy of the water flow, driving the filter 3 to move upward until the filter 3 is in the first position. At this time, the slag basket can filter the residue during normal cleaning; when drainage is required, the drain valve is connected to the inlet of the drain pump, and the water flow impacts the filter 3, the impeller 5, the spray part 7 and other components, and the filter 3 moves downward until the filter 3 is in the second position. Because of the impact of the water flow, the first impeller 5 rotates, driving the brush 4 and the spray part 7 to rotate, and the spray part 7 sprays water to the filter 3, and cooperates with the brush 4 to brush the filter 3, and cleans the food residue attached to the filter 3. And because the entire self-cleaning process is carried out below the through hole 12, the cleaned food residue will only stay below the drain area 11 and be discharged together with the drainage structure, and the residue will not be left in the drain area 11, thereby improving the cleaning effect and improving secondary pollution. Each time a water inlet and outlet is a self-cleaning, thereby better improving the cleaning effect and self-cleaning effect.

[0059] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Since the embodiments disclosed in the present invention can be arranged in different directions, these terms indicating directions are only for illustration and should not be regarded as limitations. For example, "up" and "down" are not necessarily limited to directions opposite to or consistent with the direction of gravity.

Claims

1. A water cup assembly for a cleaning machine, comprising: A water cup (1), the water cup (1) having a drain area (11) with an open top, and a through hole (12) connected to the drain area (11) is provided at the bottom of the drain area (11) on the water cup (1); A filter plate, which is arranged to cover the top opening of the water cup (1); A drainage structure, comprising a drainage pump for pumping water out of the drainage area (11) and a drainage valve for cutting off or connecting the inlet of the drainage pump; Slag basket structure, including The frame (2) is in the shape of a vertically penetrating cylinder and is fixedly inserted into the through hole (12). The top opening of the frame (2) is located above the filter plate or flush with the upper surface of the filter plate. The peripheral wall of the frame (2) is provided with a first water outlet (21), and the first water outlet (21) is located in the drainage area (11); A filter (3) is located in the frame (2); It is characterized in that The frame (2) is also provided with a second water outlet (22) located below the first water outlet (21) on the peripheral wall, and the second water outlet (22) is located below the through hole (12); the filter screen (3) can move up and down relative to the frame (2) to a first position and a second position; when the drain valve cuts off the inlet of the drain pump, the filter screen (3) is in the first position and blocks the first water outlet (21); when the drain valve is connected to the inlet of the drain pump, the filter screen (3) is in the second position and blocks the second water outlet (22); The water cup assembly also includes a brush (4) arranged in the frame (2), the brush (4) being able to contact the peripheral wall of the filter (3), and when the filter (3) is in the second position, the brush (4) rotates around a vertically extending axis to brush the filter (3).

2. The water cup assembly according to claim 1, characterized in that: The filter screen (3) is in the shape of a vertically penetrating cylinder.

3. The water cup assembly according to claim 2, characterized in that: The bottom of the filter screen (3) is provided with a buoyancy cylinder (8) which can float up under the action of water force.

4. The water cup assembly according to any one of claims 1 to 3, characterized in that: The filter screen (3) is connected to a connecting ring (91), a vertically extending mounting shaft (92) is provided at the central portion of the connecting ring (91), a water-passing gap is provided between the mounting shaft (92) and the peripheral wall of the connecting ring (91), and the brush (4) is rotatably mounted on the mounting shaft (92).

5. The water cup assembly according to claim 4, characterized in that: The invention also comprises a first impeller (5), the first impeller (5) comprising a first mounting rod (51) mounted on a mounting shaft (92), a first blade (52) being provided on a peripheral wall of the first mounting rod (51) for driving the first mounting rod (51) to rotate under the impact of water flow, and the first mounting rod (51) being mounted on the mounting shaft (92) and being able to rotate relative to the mounting shaft (92) around an axis extending vertically, the brush (4) being mounted on a second mounting rod (42), the second mounting rod (42) being fixedly connected to the first mounting rod (51) and the two being coaxial.

6. The water cup assembly according to claim 5, characterized in that: The first blade (52) has at least two blades spaced apart along its circumference, each of the first blades (52) spirally extends along the circumference of the first mounting rod (51), and the upper surface of each of the first blades (52) is a water-facing surface facing the water flow.

7. The water cup assembly according to claim 4, characterized in that: The installation shaft (92) is also provided with a spraying member (7) with a hollow interior. The spraying member (7) can rotate around the installation shaft (92). A water inlet (71) and a nozzle (72) are provided on the top wall of the spraying member (7). The nozzle (72) is located outside the water inlet (71).

8. The water cup assembly according to claim 7, characterized in that: The mounting shaft (92) is also provided with a second impeller (6) which can rotate relative to the mounting shaft. The second impeller (6) is coaxially arranged with the first impeller (5) and relatively fixed. The second impeller (6) is fixedly connected to the spraying member (7) and can drive the spraying member (7) to rotate.

9. The water cup assembly according to claim 5, characterized in that: It also includes a water collecting pipe (0) extending vertically and open at both ends, the water collecting pipe (0) is in the shape of a cone with a larger top and a smaller bottom, the lower end of the water collecting pipe (0) is located in the filter screen (3), the water collecting pipe (0) can move up and down, and the water collecting pipe (0) is always located above the first impeller (5).

10. The water cup assembly according to claim 9, characterized in that: A first limiting portion (23) and a second limiting portion (24) for limiting the water collecting pipe (0) are vertically spaced apart on the upper side of the frame (2); when the filter screen (3) is in the first position, the water collecting pipe (0) abuts against the first limiting portion (23), and the top of the filter screen (3) abuts against the outer peripheral wall of the water collecting pipe (0); when the filter screen (3) is in the second position, the filter screen (3) abuts against the bottom wall of the frame (2), and the water collecting pipe (0) abuts against the second limiting portion (24).

11. A cleaning machine, characterized in that: The invention comprises a box body and a water cup assembly as claimed in any one of claims 1 to 10, wherein the bottom wall of the box body is the water cup (1), or a notch is provided on the bottom wall of the box body, and the water cup (1) is installed at the bottom of the box body, and the top of the water cup (1) faces the notch of the box body.

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