CN216776990U - Cleaning machine - Google Patents

Abstract

The utility model relates to a cleaning machine which comprises a box body and a slag collecting basket, wherein a flow guide area communicated with a water return area is concavely arranged at the bottom of the box body, a baffle plate capable of covering the flow guide area is arranged at the top of the flow guide area, and a water pumping mechanism capable of pumping water from the water return area to the position above the baffle plate through the flow guide area is arranged at the bottom of the box body. The water pumping mechanism, the water return area and the filter plate are separately arranged, namely, the water return area and the filter plate are independently arranged beside the water pumping mechanism, and the water pumping mechanism does not need to penetrate through the filter plate to be installed, so that convenience is provided for assembly; the baffle does not participate in filtration, the defect that residue is accumulated due to poor filtration effect at the driving mechanism is eliminated, more and faster water flows are filtered by the filter plate and collected by the residue collection basket, and the filtration and residue collection effects are improved; because the water pumping mechanism is not installed in the water return area, the limitation of the installation space is eliminated, the water suction surface of the water pumping mechanism is convenient to reduce, bubbles are prevented from entering the water return, and the performance of the water pump is improved.

Description

Cleaning machine

Technical Field

The utility model relates to the technical field of kitchen electrical appliances, in particular to a cleaning machine for cleaning dishes, fruits and vegetables.

Background

With the increasing living standard of people, the dish washing machine as a kitchen household appliance is more and more introduced into families. The current market of dish-washing machines generally includes three types, namely table type, cabinet type and trough type, wherein the table type dish-washing machine is an integral independent structure and is generally placed on a table top for use; the cabinet type dish washing machine is also an independent structure, but needs to be embedded into a kitchen cabinet for use; the sink dishwasher is combined with a sink and is generally installed in a kitchen cabinet for use.

The structure of the water tank type cleaning machine on the market at present is mainly the structure mentioned in the prior application CN201310750968.1 water tank type cleaning machine of the applicant, and comprises a box body forming a washing space, wherein the box body comprises a water tank body and a cover plate rotationally connected to the water tank body, the bottom of the water tank body is at least provided with a concave draining area at the central part, a water pump for pumping water in the draining area to the washing 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 spraying arm which is communicated with the water pump through fluid and is provided with a water outlet hole is arranged above the draining plate. In addition, in order to further improve the cleaning effect, the prior applications CN201810334714.4 and CN201810334713.x "tank structure of water tank type cleaning machine" of the applicant are provided with a heating plate capable of heating water in the draining area on the bottom of the water tank body in addition to the above structure; in order to facilitate slag discharge, a slag basket arranged corresponding to the water discharge opening is arranged at the bottom of the draining area.

In the above-mentioned cleaning machine that adopts open water pump, the motor of water pump, the heating plate all sets up in the regional bottom of waterlogging caused by excessive rainfall, the top in waterlogging caused by excessive rainfall region covers there is the waterlogging caused by excessive rainfall board, the installation of spray arm and water pump need pass the waterlogging caused by excessive rainfall board and arrange, so not only be convenient for install, in addition at rivers through the regional in-process of filtration entering waterlogging caused by excessive rainfall of waterlogging caused by excessive rainfall board, when rivers are near through spray arm and water pump, in fact be more far away from collection sediment basket, lead to here to accumulate the residue easily, the collection sediment effect of collection sediment basket is relatively poor. Meanwhile, the existing spray arm is generally supported in a draining area through the flow guide seat, namely, the flow guide seat and the slag collecting basket are both installed in the draining area and limited by an installation space, the water absorbing surface of the flow guide seat is approximately flush with the water absorbing surface of the slag collecting basket or even higher than the water absorbing surface of the slag collecting basket, so that bubbles easily enter a water pump cavity along with water flow, the power of a water pump is reduced rapidly, the water flow lift of the spray arm is reduced rapidly, and even basic cleaning requirements cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of the prior art and provides 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 technical scheme adopted by the utility model for solving the technical problems is as follows: a cleaning machine comprises a box body and a slag collecting basket, wherein a concave water return area is arranged at the bottom of the box body, a filter plate covers the top of the water return area, the lower portion of the slag collecting basket is accommodated in the water return area, the upper end of the slag collecting basket is exposed out of the filter plate, a flow guide area communicated with the water return area is concavely arranged at the bottom of the box body, a baffle plate capable of covering the flow guide area is arranged at the top of the flow guide area, and a water pumping mechanism capable of pumping water from the water return area to the baffle plate through the flow guide area is arranged at the bottom of the box body.

In the utility model, the water pumping mechanism comprises a spraying arm, an impeller assembly and a driving part, the spraying arm is arranged on a baffle, the upper part of the impeller assembly penetrates through the baffle and extends into the spraying arm, the lower part of the impeller assembly is positioned in a semi-closed space enclosed by the baffle and a flow guide region, the driving part is arranged at the bottom of a box body, and a power output shaft penetrates through the flow guide region and is connected with the impeller assembly. By adopting the structure, the semi-closed space formed by the baffle and the diversion area is utilized to form the open type non-pipeline water pump, so that the baffle can be conveniently detached to clean the interior of the water pump.

Preferably, the connection between the spray arm and the baffle is adjacent to and spaced from the filter plate. The spraying arm is arranged at the side of the filter plate without penetrating the filter plate, so that the assembly is convenient, the water pumping mechanism is not used for filtering, on one hand, the residue accumulation can be avoided, on the other hand, the water flow with the residue can be guided to the filter plate and the residue collecting basket by the maximum speed and the shortest path, and the residue collecting effect is favorably improved.

Preferably, the semi-closed space and a spray arm inner cavity for accommodating the upper part of the impeller assembly jointly form a pump cavity of the water pumping mechanism, and the joint of the diversion area and the water return area forms a water inlet of the pump cavity. This structure is convenient for form no open water pump structure of pipeline.

Preferably, the upper surface of the baffle is smoothly connected with the inner bottom wall of 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 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, so that the return water cannot be blocked, the return water can rapidly flow to the filter plate, the return water speed is favorably improved, and the accumulation of residues near the spray arm is avoided.

Preferably, the outer edge of the water guide surface is provided with a surrounding edge which can partially surround the side part of the slag collecting basket and extends longitudinally, 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 inclines downwards from the edge to the middle of the center near 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 that of the water absorbing surface, and the height of the water absorbing surface of the water pumping mechanism is actually reduced to be lower than that of the water absorbing surface of the slag collecting basket for collecting slag and returning water, so that air bubbles can be prevented from being absorbed, and the performance of the water pump is improved.

Preferably, the bottom wall of the spraying arm is provided with a water inlet, correspondingly, the middle part of the baffle is provided with a flow guide sleeve which is communicated up and down and is connected with the water inlet, and the lower part of the impeller assembly is positioned in the flow guide sleeve.

Preferably, the water pumping mechanism and the flow guide area are arranged at the central part of the bottom of the box body, and the water return area is arranged close to the edge of the bottom of the box body and is positioned beside the flow guide area. Because the top in water conservancy diversion region is covered by the baffle, adopt above-mentioned structure, even the box central part keeps leveling and does not have the assembly structure that can block residue and return water, be favorable to improving return water effect and collection sediment effect.

Preferably, the bottom of the backwater area is recessed near the diversion area to form a slag collection area, a water outlet is formed at the bottom of the slag collection area, the lower part of the slag collection basket is accommodated in the slag collection area, and the lower end of the slag collection basket is arranged corresponding to the water outlet. The side wall of the slag collecting area close to the diversion area forms a diversion slope surface which gradually inclines upwards along the water flow. The structure ensures that the shortest distance is kept between the water inlet of the water pumping mechanism and the backwater slag collecting position, and the water suction force of the water pumping mechanism can be furthest transmitted to the slag collecting basket, so that the water passing amount of the slag collecting basket is improved, and the slag collecting effect and the backwater effect are improved.

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

Preferably, the bottom of the box body is provided with a heating element which is positioned in the water return area and is arranged close to the second end of the rectangular area.

Preferably, the inner bottom wall of the box body is gradually inclined downwards from the edge to the water return area to form a flow guide surface. Preferably, the upper surface of the filter plate is gradually inclined downwards from the edge to the slag collecting basket to form a flow guide inclined surface.

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

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

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

Preferably, the height of the bottom wall of the diversion area is not higher than that of the bottom wall of the water return area and is lower than that of the water outlet. This structure can further avoid the bubble to get into the backwater.

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

(1) feeding water into the box body, and stopping feeding water after the water inflow reaches the requirement;

the driving mechanism operates, the power output shaft rotates forwards to drive the impeller assembly to rotate forwards, 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 sprayed water which falls down enters the water return area after being filtered by the filter plate and collected by the slag collecting basket; in the process, the drainage impeller idles and does not drain water;

(2) after the washing is finished, the driving mechanism operates, the power output shaft rotates reversely, and the water in the backwater area is drained away through the water outlet, the water guide pipeline and the water drainage cavity by the water drainage impeller; in the process, the impeller assembly rotates reversely to form airflow along the directions of the spray arm, the flow guide area and the water return area, and the airflow improves the drainage speed and the drainage degree.

Compared with the prior art, the utility model has the advantages that: the water pumping mechanism, the water return area and the filter plate are separately arranged, namely the water return area and the filter plate are independently arranged beside the water pumping mechanism, and the water pumping mechanism does not need to penetrate through the filter plate to be installed, so that convenience is provided for assembly; meanwhile, the baffle does not participate in filtering, so that the defect that residue is accumulated due to poor filtering effect at the driving mechanism is overcome, more and faster water flows are filtered by the filter plate and collected by the residue collecting basket, and the filtering and residue collecting effects are improved; because the water pumping mechanism is not installed in the water return area, the limitation of the installation space is eliminated, the water suction surface of the water pumping mechanism is convenient to reduce, bubbles are prevented from entering the water return, and the performance of the water pump is improved.

Drawings

FIG. 1 is a schematic structural 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 diagram of the hidden filter plate of FIG. 4;

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

fig. 7 is a schematic structural diagram of a baffle in an embodiment of the utility model.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 7, the cleaning machine of the present embodiment includes a tank 1 and a slag collecting basket 2, a concave backwater area 11 is disposed at the bottom of the tank 1, a filter plate 12 covers the top of the backwater area 11, the lower portion of the slag collecting basket 2 is accommodated in the backwater area 11, the upper end of the slag collecting basket 2 is exposed out of the filter plate 12, a flow guide area 13 communicated with the backwater area 11 is concavely disposed at the bottom of the tank 1, a baffle plate 3 capable of covering the flow guide area 13 is disposed at the top of the flow guide area 13, and a water pumping mechanism 4 capable of pumping water from the backwater area 11 to the baffle plate 3 through the flow guide area 13 is disposed at the bottom of the tank 1.

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, 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 a flow channel of the spray arm along a circumferential direction, and the lower portion of the impeller assembly 42 is an axial impeller for pumping water in the diversion area 13 upward into the spray arm 41. The upper part of the impeller assembly 42 penetrates through the baffle 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 the baffle 3 and the diversion area 13, the driving part 43 is a motor and is arranged at the bottom of the box body 1, and the power output shaft 431 penetrates through the diversion area 13 and is connected with the impeller assembly 42. By adopting the structure, the semi-closed space formed by the baffle 3 and the diversion area 13 is utilized to form the open type non-pipeline water pump, so that the baffle 3 can be conveniently detached to clean the inside of the water pump.

The connection of the spray arm 41 and the baffle 4 is spaced adjacent to the filter plate 12. The spraying arm 41 is arranged at the side of the filter plate 12 without passing through the filter plate 12, so that the assembly is convenient, the water pumping mechanism 4 is not used for filtering, on one hand, the accumulation of residues can be avoided, on the other hand, the water flow with the residues can be guided to the filter plate and the residue collecting basket 2 at the maximum speed and the shortest path, and the residue collecting effect is favorably improved.

The semi-closed 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 water pumping mechanism 4, and the joint of the diversion area 13 and the water return area 11 forms a water inlet 401 of the pump cavity. This structure is convenient for form no open water pump structure of pipeline.

The upper surface of the baffle 3 of the embodiment is smoothly connected with the inner bottom wall of the box body 1, the edge of the baffle 3 extends outwards and downwards at the water inlet part 401 corresponding to the pump cavity to form a water guide surface 31 which is 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 3 is approximately flush with the bottom wall of the box body 1, so that the backwater cannot be blocked, the backwater can rapidly flow to the filter plate 12, the backwater speed can be improved, and the accumulation of residues near the spray arm 41 can be avoided.

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 extends longitudinally, and the height of the lower edge of the surrounding edge 32 is lower than that of the water suction surface at the top of the slag collecting basket 2. The slag collecting basket 2 is provided with a guide plate 21 which inclines downwards from the edge to the middle of the center at a position close to the filter plate 12, the height of the lower edge of the guide plate 21 is the height of a water absorbing surface of the slag collecting basket 2, the height of the lower edge of the surrounding edge 32 is lower than that of the water absorbing surface, and the height of the water absorbing surface of the water pumping mechanism 4 is actually reduced to be lower than that of the slag collecting surface and the backwater of the slag collecting basket 2, so that 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 flow guide sleeve 33 which is communicated up and down and is connected with the water inlet 411, and the lower part of the impeller component 42 is positioned in the flow guide sleeve 33. The spray arm 41 can be rotatably disposed on the top of the diversion sleeve 33 through a retainer ring, and the specific rotary connection structure is the prior mature technology and is not described again.

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

The bottom of the backwater area 11 is concave at the position close to the diversion area 13 to form a slag collection area 14, a water outlet 141 is opened at the bottom of the slag collection area 14, the lower part of the slag collection basket 2 is accommodated in the slag collection area 14, and the lower end of the slag collection basket is arranged corresponding to the water outlet 141. The slag collecting area 14 forms a diversion slope surface 142 which is gradually inclined upwards along the water flow near the side wall of the diversion area 13. The structure ensures that the shortest distance is kept between the water inlet 401 of the water pumping mechanism 4 and the backwater slag collecting position, and the water suction force of the water pumping mechanism 4 can be transmitted to the slag collecting basket 2 to the maximum extent, so that the water passing amount of the slag collecting basket 2 is improved, and the slag collecting effect and the backwater effect are improved.

The water return area 11 of this embodiment is a rectangular area, a first end of the rectangular area is arranged near one corner of the box body 1, a second end of the rectangular area is arranged near the middle of the box body 1, and the slag collecting area 14 is arranged near the first end of the rectangular area. The arrangement mode is favorable for forming excellent filtering and slag collecting effects.

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

The lower end of the power output shaft 431 of the driving member 43 of the present embodiment is exposed to the bottom of the driving member 43 and is 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 whole structure is simplified. The side of the drain chamber 430 is connected with a drain pipe for draining water, and the bottom of the case 1 is provided with a valve for connecting or cutting off the drain pipe.

The height of the bottom wall of the diversion area 13 is not higher than that of the bottom wall of the water return area 11 and lower than that of the bottom of the slag collecting area 14 and the water outlet 141. This structure can further avoid the bubble to get into the backwater.

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

(1) water is fed into the box body 1, and the water feeding is stopped after the water inflow reaches the requirement;

the driving mechanism 4 operates, the power output shaft 431 rotates forwards to drive the impeller assembly 42 to rotate forwards, the impeller assembly 42 pumps water in the backwater 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, slag is collected by the slag collection basket 2 and then enters the backwater area 11; in this process, the discharge impeller 7 idles without discharging water;

(2) after the washing is finished, the driving mechanism 4 operates, the power output shaft 431 rotates reversely, and the water in the backwater area 11 is drained away by the drainage impeller 7 through the drainage port 141, the water guide pipeline 432 and the drainage cavity 430; in the process, the impeller assembly 42 is reversely rotated to form an air flow along the direction of the spray arm 41, the diversion area 13 and the backwater area 11, and the air flow can improve the drainage speed and the drainage degree.

Directional terms such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the utility model, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims (17)

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

2. The cleaning machine of claim 1, wherein: pump water mechanism (4) are including spray arm (41), impeller subassembly (42) and driving piece (43), spray arm (41) are located on baffle (3), impeller subassembly (42) upper portion is passed baffle (3) and is stretched into in spray arm (41), and the lower part is located baffle (3) and water conservancy diversion region (13) and encloses synthetic semi-enclosed space (100), driving piece (43) are located box (1) bottom and power output shaft (431) and are passed water conservancy diversion region (13) and are connected with impeller subassembly (42).

3. The cleaning machine of claim 2, wherein: the connection part of the spray arm (41) and the baffle (3) is adjacent to the filter plate (12) and 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) for accommodating the upper part of the impeller assembly (42) jointly form a pump cavity of the water pumping mechanism (4), and the joint of the diversion area (13) and the water return 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 (3) is smoothly connected with the inner bottom wall of the box body (1), and the edge of the baffle (3) outwards and downwards extends at the position (401) corresponding to the water inlet of the 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 that of the water suction surface at the top of the slag collecting basket (2).

7. The cleaning machine of claim 2, wherein: the water inlet (411) is formed in the bottom wall of the spraying arm (41), correspondingly, the middle of the baffle (3) is provided with a flow 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 located in the flow guide sleeve (33).

8. The cleaning machine of any one of claims 1 to 7, wherein: the water pumping mechanism (4) and the flow guide region (13) are arranged at the central part of the bottom of the box body (1), and the water return region (11) is arranged close to the edge of the bottom of the box body (1) and is located on the side of the flow guide region (13).

9. The cleaning machine of claim 8, wherein: the bottom of the backwater area (11) is recessed near the diversion area (13) to form a slag collection area (14), a water outlet (141) is formed at the bottom of the slag collection area (14), the lower part of the slag collection basket (2) is accommodated in the slag collection area (14), and the lower end of the slag collection basket is arranged corresponding to the water outlet (141).

10. The cleaning machine of claim 9, wherein: the backwater area (11) is a rectangular area, the first end of the rectangular area is close to one corner of the box body (1) and 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 element (5) which is positioned in the backwater area (11) and is arranged 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) is gradually inclined downwards from the edge to the water return area (11) to form a flow guide 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 backwater area (11) and is arranged close to the first end of the rectangular area.

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

15. The cleaning machine of any one of claims 2 to 7, wherein: the bottom of the backwater area (11) is provided with a water outlet (141) corresponding to the lower end of the slag collecting basket (2), the lower end of a power output shaft (431) of the driving piece (43) is exposed out of the bottom of the driving piece (43) and is connected with a water discharging impeller (7), a water discharging cavity (430) arranged around the water discharging impeller (7) is arranged at the bottom of the driving piece (43), and the water discharging cavity (430) is communicated with the water outlet (141) through a water guide pipeline (432).

16. The cleaning machine of claim 15, wherein: the lateral part of the drainage cavity (430) is connected with a drainage pipe for water to drain away, and the bottom of the box body (1) is provided with a valve which can communicate or separate the drainage pipe.

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

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