CN116236136A

CN116236136A - Cleaning machine and cleaning method

Info

Publication number: CN116236136A
Application number: CN202111529991.9A
Authority: CN
Inventors: 王栋; 顾洪良; 钟海
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2023-06-09

Abstract

The invention relates to a cleaning machine and a cleaning method, wherein the cleaning machine comprises a box body and a slag collecting basket, a diversion area communicated with a water return area is concavely arranged at the bottom of the box body, a baffle capable of covering the diversion area is arranged at the top of the diversion area, and a water pumping mechanism capable of pumping water from the water return area to the upper part of the baffle through the diversion area is arranged at the bottom of the box body. According to the invention, the water pumping mechanism, the water return area and the filter plate are arranged separately, namely, the water return area and the filter plate are arranged at the side of the water pumping mechanism independently, and the water pumping mechanism does not need to pass through the filter plate for installation, so that convenience is provided for assembly; the baffle is not involved in filtration, so that the defects of poor filtration effect and residue accumulation at the driving mechanism are overcome, more and faster water flows are filtered through the filter plate and are collected through the residue collecting basket, and the filtration and residue collecting effects are improved; because the pump water mechanism is not installed in the water return area, the limit of the installation space is eliminated, the water absorption surface of the pump water mechanism is conveniently reduced, bubbles are prevented from entering the water return, and the performance of the water pump is improved.

Description

Cleaning machine and cleaning method

Technical Field

The invention relates to the technical field of kitchen appliances, in particular to a cleaning machine and a cleaning method for cleaning bowls, dishes and fruits and vegetables.

Background

With the increasing level of living of people, dish washers are increasingly entering home as household electrical appliances for kitchen use. The existing dish-washing machines on the market are generally divided into three types of a desk type dish-washing machine, a cabinet type dish-washing machine and a trough type dish-washing machine, wherein the desk type dish-washing machine is of an integral independent structure and is generally placed on a desk for use; the cabinet type dish washer is also an independent structure, but needs to be embedded into a kitchen cabinet for use; the tub dishwasher is combined with a tub and is generally installed in a kitchen cabinet.

The structure of the sink type cleaning machine on the market at present is mainly the structure mentioned in the prior application CN201310750968.1 of the applicant, and comprises a box body for forming a cleaning space, wherein the box body comprises a sink body and a cover plate rotatably connected to the sink body, the bottom of the sink body is provided with a concave draining area at least at the central part, a water pump for discharging a water pump in the draining area to the cleaning space above the draining area is arranged in the draining area, the draining area is covered with a draining plate with draining holes, and a rotary spray arm which is in fluid communication with the water pump and provided with water outlet holes is arranged above the draining plate. In order to further improve the cleaning effect, the applicant's prior applications CN201810334714.4, CN201810334713.X "tank structure of tank-type cleaning machine" set a heating plate capable of heating water in the draining area at the bottom of the tank body on the basis of the above-mentioned structure; in order to facilitate slag discharge, a slag basket which is arranged corresponding to the water discharge opening is arranged at the bottom of the water discharge area.

In the cleaning machine adopting the open water pump, the motor and the heating plate of the water pump are arranged at the bottom of the draining area, the draining plate is covered at the top of the draining area, and the spray arm and the water pump are installed through the draining plate, so that the cleaning machine is inconvenient to install, in the process that water flows into the draining area through the filtering of the draining plate, when the water flows near the spray arm and the water pump, the water flows are far away from the slag collecting basket in practice, and residues are easy to accumulate at the position, and the slag collecting effect of the slag collecting basket is poor. Meanwhile, the existing spray arm is generally supported in a draining area through a flow guide seat, namely, the flow guide seat and the slag collecting basket are both installed in the draining area, and limited by installation space, the water absorption surface of the flow guide seat is approximately flush with the water absorption surface of the slag collecting basket and even higher than the water absorption surface of the slag collecting basket, so that bubbles are easy to enter a water pump cavity along with water flow, the power of the water pump is caused to be rapidly reduced, the water lift of the spray arm is rapidly reduced, and the basic cleaning requirement cannot be met.

Disclosure of Invention

The first technical problem to be solved by the invention is to provide a cleaning machine which improves the performance of a water pump and the slag collecting effect by independently arranging a filtering area and reducing a water absorbing surface.

The second technical problem to be solved by the invention is to provide a cleaning method using the cleaning machine aiming at the current state of the art.

The invention solves at least one of the technical problems by adopting the following technical proposal: the utility model provides a cleaning machine, includes box and collection sediment basket, the bottom half is provided with the backwater region of indent, and this backwater region's top covers there is the filter, collection sediment basket's lower part holding is in backwater region and upper end exposes in the filter, the concave water conservancy diversion region that is linked together with the backwater region that is equipped with in bottom half, and this water conservancy diversion region's top sets up the baffle that can cover it, the bottom half is provided with the pump mechanism that can pump water from backwater region to the baffle on through the water conservancy diversion region.

In the invention, the water pumping mechanism comprises a spray arm, an impeller assembly and a driving piece, wherein the spray arm is arranged on the baffle, the upper part of the impeller assembly penetrates through the baffle to extend into the spray arm, the lower part of the impeller assembly penetrates through the baffle to be positioned in a semi-closed space surrounded by the baffle and the diversion area, and the driving piece is arranged at the bottom of the box body and the power output shaft penetrates through the diversion area to be connected with the impeller assembly. By adopting the structure, the semi-closed space formed by the baffle plate and the diversion area is utilized to form an open type ductless water pump, so that the baffle plate is convenient to dismantle to clean the inside of the water pump.

Preferably, the connection of the spray arm and the baffle is adjacent to and spaced apart from the filter plate. The spray arm is arranged at the side of the filter plate without penetrating the filter plate, the assembly is convenient, the water pumping mechanism does not carry out filtering work, on one hand, residue accumulation can be avoided, on the other hand, water flow with residues can be guided to the filter plate and the residue collecting basket through maximum speed and shortest path, and the residue collecting effect is improved.

Preferably, the semi-closed space and the inner cavity of the spray arm for accommodating the upper part of the impeller assembly jointly form a pump cavity of the pump mechanism, and the joint of the diversion area and the return water area forms a water inlet of the pump cavity. This structure facilitates the formation of a pipeless open water pump structure.

Preferably, the upper surface of the baffle is smoothly connected with the bottom wall in the box body, and the edge of the baffle extends outwards and downwards at the position corresponding to the water inlet of the pump cavity to form a water guide surface which is arranged close to the side part of the slag collecting basket. The upper surface of the baffle is approximately flush with the bottom wall of the box body, and the return water can not be blocked, so that the return water can flow to the filter plate rapidly, the return water speed is improved, and the accumulation of residues near the spray arm is avoided.

Preferably, a surrounding edge which can partially surround the side part of the slag collecting basket and longitudinally extends is formed at the outer edge of the water guide surface, and the height of the lower edge of the surrounding edge is lower than that of the water suction surface at the top of the slag collecting basket. The slag collecting basket is provided with a guide plate which is inclined downwards from the edge to the middle and is close to the filter plate, the height of the lower edge of the guide plate is the height of the water absorbing surface of the slag collecting basket, the height of the lower edge of the surrounding edge is lower than the height of the water absorbing surface, the height of the water absorbing surface of the water pumping mechanism is actually reduced to be lower than the water absorbing surface of slag collecting basket, slag collecting and water returning, air bubbles can be prevented from being absorbed, and the performance of the water pump is improved.

Preferably, a water inlet is formed in the bottom wall of the spray arm, correspondingly, a guide sleeve which is vertically through and is connected with the water inlet is arranged in the middle of the baffle, and the lower part of the impeller assembly is positioned in the guide sleeve.

Preferably, the water pumping mechanism and the diversion area are arranged at the central part of the bottom of the tank body, and the backwater area is arranged close to the edge of the bottom of the tank body and is positioned beside the diversion area. Because the top of the diversion area is covered by the baffle, by adopting the structure, even if the central part of the box body is kept flat and an assembly structure which can block residues and backwater does not exist, the backwater effect and the slag collecting effect are improved.

Preferably, the bottom of the water return area is recessed near the diversion area to form a slag collecting area, the bottom of the slag collecting area is provided with a water outlet, the lower part of the slag collecting basket is accommodated in the slag collecting area, and the lower end of the slag collecting basket is arranged corresponding to the water outlet. The side wall of the slag collecting area, which is close to the diversion area, forms a diversion slope surface which gradually inclines upwards along the water flow. The structure ensures that the water inlet part of the water pumping mechanism and the backwater slag collecting part keep the shortest distance, and the water absorption capacity of the water pumping mechanism can be furthest transmitted to the slag collecting basket, thereby improving the water passing amount of the slag collecting basket and the slag collecting effect and backwater effect.

Preferably, the backwater area is a rectangular area, the first end of the rectangular area is close to one corner of the box body, the second end of the rectangular area is close to the middle of the box body, and the slag collecting area is close to the first end of the rectangular area. This arrangement is advantageous for forming excellent filtering and slag collecting effects.

Preferably, the bottom of the tank is provided with a heating element located in the return water zone and arranged close to the second end of the rectangular zone.

Preferably, the inner bottom wall of the box body gradually inclines downwards from the edge to the backwater area to form a diversion surface. Preferably, the upper surface of the filter plate gradually inclines downwards from the edge to the slag collecting basket to form a diversion inclined plane.

Preferably, the bottom of the tank body is provided with a water softener outlet which is positioned outside the water return area and is close to the first end of the rectangular area.

As an improvement, the bottom of the backwater area is provided with a water outlet which is arranged at the lower end of the slag collecting basket, the lower end of the power output shaft of the driving piece is exposed at the bottom of the driving piece and is connected with a water draining impeller, the bottom of the driving piece is provided with a water draining cavity which is arranged around the water draining impeller, and the water draining cavity is communicated with the water outlet through a water guiding pipeline. The structure can utilize the same driving mechanism to complete water return and drainage actions, and the integral structure is simplified.

Preferably, the side part of the drainage cavity is connected with a drain pipe for supplying water and draining, and the bottom of the box body is provided with a valve capable of communicating or blocking the drain pipe.

Preferably, the bottom wall of the diversion area is not higher than the bottom wall of the backwater area and lower than the water outlet. The structure can further avoid bubbles from entering the backwater.

The cleaning method is completed by applying the cleaning method, and comprises the following steps:

(1) Water is fed into the box body, and water feeding is stopped after the water feeding amount meets the requirement;

the driving mechanism operates, the power output shaft rotates positively to drive the impeller assembly to rotate positively, the impeller assembly pumps water in the water return area into the spray arm through the flow guide area and sprays the water upwards, and the water falling after spraying enters the water return area after being filtered by the filter plate and collected by the residue collecting basket; in the process, the drainage impeller idles and does not drain water;

(2) After the cleaning is finished, the driving mechanism operates, the power output shaft rotates reversely, and the water in the water return area is discharged by the water discharge impeller through the water discharge port, the water guide pipeline and the water discharge cavity; in the process, the impeller assembly is reversed to form air flow along the direction of the spray arm, the diversion area and the backwater area, and the air flow improves the drainage speed and the drainage purity.

Compared with the prior art, the invention has the advantages that: according to the invention, the water pumping mechanism, the water return area and the filter plate are arranged separately, namely, the water return area and the filter plate are arranged at the side of the water pumping mechanism independently, and the water pumping mechanism does not need to pass through the filter plate for installation, so that convenience is provided for assembly; meanwhile, the baffle is not involved in filtration, so that the defects of poor filtration effect and residue accumulation at the driving mechanism are overcome, more and quicker water flows are filtered through the filter plate and are collected through the residue collecting basket, and the filtration and residue collecting effects are improved; because the pump water mechanism is not installed in the water return area, the limit of the installation space is eliminated, the water absorption surface of the pump water mechanism is conveniently reduced, bubbles are prevented from entering the water return, and the performance of the water pump is improved.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

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

FIG. 4 is a schematic view of the hidden spray arm of FIG. 1;

FIG. 5 is a schematic view of the hidden filter board of FIG. 4;

FIG. 6 is a schematic view of the hidden slag collecting basket and baffle of FIG. 5;

fig. 7 is a schematic structural view of a baffle according to an embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 7, the cleaning machine of this embodiment includes a box 1 and a slag collecting basket 2, a water return area 11 is provided at the bottom of the box 1, a filter plate 12 is covered at the top of the water return area 11, the lower part of the slag collecting basket 2 is accommodated in the water return area 11 and the upper end is exposed out of the filter plate 12, a diversion area 13 is provided at the bottom of the box 1, which is communicated with the water return area 11, a baffle 3 is provided at the top of the diversion area 13, which can cover the diversion area, and a water pumping mechanism 4 is provided at the bottom of the box 1, which can pump water from the water return area 11 to the upper part of the baffle 3 through the diversion area 13.

In this embodiment, the water pumping mechanism 4 is an open water pump, and includes a spray arm 41, an impeller assembly 42 and a driving member 43, where the spray arm 41 is disposed on the baffle 3, the upper portion of the impeller assembly 42 is a centrifugal impeller for dispersing water in the flow channel of the spray arm along the circumferential direction, and the lower portion of the impeller assembly 42 is an axial flow impeller for drawing water in the diversion area 13 upward into the spray arm 41. The upper part of the impeller assembly 42 penetrates through the baffle plate 3 and extends into the spray arm 41, the lower part of the impeller assembly is positioned in a semi-closed space 100 formed by enclosing the baffle plate 3 and the diversion area 13, the driving part 43 is a motor, and the power output shaft 431 is arranged at the bottom of the box body 1 and penetrates through the diversion area 13 to be connected with the impeller assembly 42. By adopting the structure, the semi-closed space formed by the baffle plate 3 and the diversion area 13 is utilized to form an open type ductless water pump, so that the baffle plate 3 is convenient to dismantle to clean the inside of the water pump.

The junction of the spray arm 41 and the baffle 4 is adjacent to and spaced from the filter plate 12. The spray arm 41 is arranged beside the filter plate 12 without penetrating the filter plate 12, so that the assembly is convenient, the water pumping mechanism 4 does not perform filtering work, on one hand, residue accumulation can be avoided, and on the other hand, water flow with residues can be guided to the filter plate and the residue collecting basket 2 by maximum speed and shortest path, thereby being beneficial to improving the residue collecting effect.

The semi-enclosed space 100 and the inner cavity of the spray arm 41 for accommodating the upper part of the impeller assembly 42 together form a pump cavity of the pump mechanism 4, and the joint of the diversion area 13 and the return water area 11 forms a water inlet 401 of the pump cavity. This structure facilitates the formation of a pipeless open water pump structure.

The upper surface of the baffle plate 3 in this embodiment is smoothly connected with the inner bottom wall of the box body 1, the edge of the baffle plate 3 extends outwards and downwards at the corresponding water inlet 401 of the pump cavity to form a water guide surface 31 arranged close to the side part of the slag collecting basket 2, and the water guide surface 31 is a slightly concave cambered surface. The upper surface of the baffle plate 3 is approximately flush with the bottom wall of the box body 1, and the return water can not be blocked, so that the return water can flow to the filter plate 12 quickly, the return water speed is improved, and the accumulation of residues near the spray arm 41 is avoided.

At the outer edge of the water guiding surface 31, a surrounding edge 32 which can partially surround the side part of the slag collecting basket 2 and longitudinally extends is formed, and the height of the lower edge of the surrounding edge 32 is lower than the height of the water absorbing surface at the top of the slag collecting basket 2. The slag collecting basket 2 is formed with a guide plate 21 which is inclined downwards from the edge to the middle near the filter plate 12, the height of the lower edge of the guide plate 21 is the height of the water absorbing surface of the slag collecting basket 2, the height of the lower edge of the surrounding edge 32 is lower than the height of the water absorbing surface, the height of the water absorbing surface of the water pumping mechanism 4 is actually reduced below the water absorbing surface of the slag collecting basket 2 for collecting slag and returning water, air bubbles can be prevented from being absorbed, and the performance of the water pump is improved.

The bottom wall of the spray arm 41 is provided with a water inlet 411, correspondingly, the middle part of the baffle 3 is provided with a guide sleeve 33 which is vertically penetrated and is connected with the water inlet 411, and the lower part of the impeller assembly 42 is positioned in the guide sleeve 33. The spray arm 41 is rotatably disposed on the top of the guide sleeve 33 through a collar, and the specific rotational connection structure is a mature technology in the prior art, and will not be described again.

In this embodiment, the pumping mechanism 4 and the diversion area 13 are disposed at the central portion of the bottom of the tank 1, and the backwater area 11 is disposed near the edge of the bottom of the tank 1 and beside the diversion area 13. Because the top of the diversion area 13 is covered by the baffle plate 3, by adopting the structure, even if the central part of the box body 1 is kept flat and an assembly structure which can block residues and backwater does not exist, the backwater effect and the slag collecting effect can be improved.

The bottom of the water return area 11 is downwards concave to form a slag collecting area 14 near the diversion area 13, a water outlet 141 is formed at the bottom of the slag collecting area 14, the lower part of the slag collecting basket 2 is accommodated in the slag collecting area 14, and the lower end of the slag collecting basket is arranged corresponding to the water outlet 141. The side wall of the slag collecting region 14, which is close to the diversion region 13, forms a diversion slope 142 which gradually slopes upwards along the water flow. The structure ensures that the water inlet 401 of the water pumping mechanism 4 and the backwater slag collecting position keep the shortest distance, and the water absorption capacity of the water pumping mechanism 4 can be furthest transmitted to the slag collecting basket 2, thereby improving the water flow of the slag collecting basket 2 and the slag collecting effect and backwater effect.

The backwater area 11 of this embodiment is a rectangular area, a first end of the rectangular area is disposed near one corner of the case 1, a second end of the rectangular area is disposed near the middle of the case 1, and the slag collecting area 14 is disposed near the first end of the rectangular area. This arrangement is advantageous for forming excellent filtering and slag collecting effects.

The bottom of the box 1 is provided with a heating element 5 located in the return water zone 11 and arranged close to the second end of the rectangular zone. The inner bottom wall of the box body 1 gradually inclines downwards from the edge to the backwater area 11 to form a diversion surface 10. The upper surface of the filter plate 12 gradually slopes downwards from the edge to the slag collecting basket 2 to form a diversion slope 121. The bottom of the tank body 1 is provided with a water softener outlet 6 which is positioned outside the water return area 11 and is arranged near the first end of the rectangular area.

The lower end of the power output shaft 431 of the driving member 43 of the present embodiment is exposed at the bottom of the driving member 43 and connected with the drain impeller 7, the bottom of the driving member 43 is provided with a drain cavity 430 arranged around the drain impeller 7, and the drain cavity 430 is communicated with the drain port 141 through a water guide pipe 432. The structure can utilize the same driving mechanism to complete water return and drainage actions, and the integral structure is simplified. The side of the drainage chamber 430 is connected with a drain pipe for supplying water and draining, and the bottom of the box 1 is provided with a valve capable of communicating or blocking the drain pipe.

The bottom wall of the diversion area 13 in this embodiment is not higher than the bottom wall of the backwater area 11 and lower than the bottom of the slag collecting area 14 and the water drain 141. The structure can further avoid bubbles from entering the backwater.

The cleaning method of the embodiment is completed by applying the cleaning method, and comprises the following steps:

(1) Water is fed into the box body 1, and water feeding is stopped after the water feeding amount meets the requirement;

the driving mechanism 4 operates, the power output shaft 431 rotates positively to drive the impeller assembly 42 to rotate positively, the impeller assembly 42 pumps water in the water return area 11 into the spray arm 41 through the diversion area 13 and sprays the water upwards, and the water falling after spraying is filtered by the filter plate 12 again, and the slag is collected by the slag collecting basket 2 and enters the water return area 11; in the process, the drainage impeller 7 idles and does not drain water;

(2) After the cleaning is finished, the driving mechanism 4 operates, the power output shaft 431 reversely rotates, and the water in the water return area 11 is discharged by the water discharge impeller 7 through the water discharge outlet 141, the water guide pipeline 432 and the water discharge cavity 430; in this process, the impeller assembly 42 is reversed, creating an air flow along the spray arm 41, the flow guiding region 13, and the water return region 11, which increases the drainage rate and cleanliness.

In the description and claims of the present invention, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various example structural parts and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the invention may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.

Claims

1. The utility model provides a cleaning machine, includes box (1) and collection sediment basket (2), box (1) bottom is provided with return water region (11) of indent, and the top of this return water region (11) is covered with filter (12), the lower part holding of collection sediment basket (2) is in return water region (11) and the upper end exposes in filter (12), its characterized in that: the water pumping device is characterized in that a diversion area (13) communicated with a water return area (11) is concavely arranged at the bottom of the box body (1), a baffle (3) capable of covering the diversion area (13) is arranged at the top of the diversion area (13), and a water pumping mechanism (4) capable of pumping water from the water return area (11) to the baffle (3) through the diversion area (13) is arranged at the bottom of the box body (1).

2. The cleaning machine of claim 1, wherein: the water pumping mechanism (4) comprises a spray arm (41), an impeller assembly (42) and a driving piece (43), wherein the spray arm (41) is arranged on the baffle plate (3), the upper part of the impeller assembly (42) penetrates through the baffle plate (3) to extend into the spray arm (41), the lower part of the impeller assembly is positioned in a semi-closed space (100) formed by encircling the baffle plate (3) and the diversion area (13), and the driving piece (43) is arranged at the bottom of the box body (1) and a power output shaft (431) penetrates through the diversion area (13) to be connected with the impeller assembly (42).

3. The cleaning machine of claim 2, wherein: the connection part of the spray arm (41) and the baffle plate (3) is adjacent to the filter plate (12) and is arranged at intervals.

4. The cleaning machine of claim 2, wherein: the semi-closed space (100) and the inner cavity of the spray arm (41) used for accommodating the upper part of the impeller assembly (42) jointly form a pump cavity of the pump mechanism (4), and the joint of the diversion area (13) and the return water area (11) forms a water inlet (401) of the pump cavity.

5. The cleaning machine of claim 4, wherein: the upper surface of the baffle plate (3) is smoothly connected with the inner bottom of the box body (1), and the edge of the baffle plate (3) extends outwards and downwards at the water inlet (401) of the corresponding pump cavity to form a water guide surface (31) which is arranged close to the side part of the slag collecting basket (2).

6. The cleaning machine of claim 5, wherein: the outer edge of the water guide surface (31) is provided with a surrounding edge (32) which can partially surround the side part of the slag collecting basket (2) and longitudinally extends, and the height of the lower edge of the surrounding edge (32) is lower than the height of the water suction surface at the top of the slag collecting basket (2).

7. The cleaning machine of claim 2, wherein: the bottom wall of the spray arm (41) is provided with a water inlet (411), correspondingly, the middle part of the baffle (3) is provided with a guide sleeve (33) which is vertically communicated and is connected with the water inlet (411), and the lower part of the impeller assembly (42) is positioned in the guide sleeve (33).

8. The cleaning machine of any one of claims 1-7, wherein: the water pumping mechanism (4) and the diversion area (13) are arranged at the central part of the bottom of the box body (1), and the backwater area (11) is arranged close to the edge of the bottom of the box body (1) and is positioned beside the diversion area (13).

9. The cleaning machine of claim 8, wherein: the bottom of return water region (11) is near the regional (13) department of water conservancy diversion and is concave formation album sediment region (14), and the bottom of this album sediment region (14) is opened there is outlet (141), the lower part holding of album sediment basket (2) is in this album sediment region (14) and the lower extreme corresponds outlet (141) and arranges.

10. The cleaning machine of claim 9, wherein: the water return area (11) is a rectangular area, the first end of the rectangular area is close to one corner of the box body (1), the second end of the rectangular area is close to the middle of the box body (1), and the slag collecting area (14) is close to the first end of the rectangular area.

11. The cleaning machine of claim 10, wherein: the bottom of the box body (1) is provided with a heating piece (5) which is positioned in the backwater area (11) and is close to the second end of the rectangular area.

12. The cleaning machine of claim 10, wherein: the inner bottom wall of the box body (1) gradually inclines downwards from the edge to the backwater area (11) to form a diversion surface (10).

13. The cleaning machine of claim 10, wherein: the bottom of the box body (1) is provided with a water softener outlet (6) which is positioned outside the water return area (11) and is close to the first end of the rectangular area.

14. The cleaning machine of any one of claims 1-7, wherein: the upper surface of the filter plate (12) gradually inclines downwards from the edge to the slag collecting basket (2) to form a diversion inclined plane (121).

15. The cleaning machine of any one of claims 2-7, wherein: the bottom of return water region (11) is opened there is outlet (141) that corresponds album sediment basket (2) lower extreme and arranges, power take off shaft (431) lower extreme of driving piece (43) exposes in driving piece (43) bottom and is connected with drainage impeller (7), driving piece (43) bottom is provided with drainage chamber (430) that arrange around this drainage impeller (7), this drainage chamber (430) through drain pipe (432) with outlet (141) are linked together.

16. The cleaning machine of claim 15, wherein: the side part of the drainage cavity (430) is connected with a drain pipe for supplying water and draining, and the bottom of the box body (1) is provided with a valve capable of communicating or isolating the drain pipe.

17. The cleaning machine of claim 15, wherein: the bottom wall of the diversion area (13) is not higher than the bottom wall of the backwater area (11) and lower than the water outlet (141).

18. A cleaning method, characterized in that the cleaning method is completed using the cleaning according to claim 15 or 16 or 17, comprising the steps of:

(1) Water is fed into the box body (1), and water feeding is stopped after the water feeding amount meets the requirement;

the driving mechanism operates, the power output shaft (431) rotates positively to drive the impeller assembly (42) to rotate positively, the impeller assembly (42) pumps water in the water return area (11) to the spray arm (41) through the flow guide area (13) and sprays the water upwards, and the water falling after spraying is filtered by the filter plate (12) again, and the water enters the water return area (11) after being collected by the slag collecting basket (2); in the process, the drainage impeller (7) idles and does not drain water;

(2) After the cleaning is finished, the driving mechanism operates, the power output shaft (431) rotates reversely, and the water in the water return area (11) is discharged by the water discharge impeller (7) through the water discharge outlet (141), the water guide pipeline (432) and the water discharge cavity (430); in the process, the impeller assembly (42) is reversed to form air flows along the spray arm (41), the diversion area (13) and the return water area (11), and the air flows improve the drainage speed and the drainage purity.