CN215838897U - Cleaning machine - Google Patents

Abstract

The utility model relates to a cleaning machine which comprises a box body, a first water outlet structure, a second water outlet structure and a water pumping mechanism, wherein a draining plate comprises a first part and a second part which can be spliced with each other, the bottom wall of a draining area extends upwards to form an assembly table arranged close to the lower wall surface of the first part, a water distributing cavity communicated with the water pumping mechanism in a fluid mode is arranged below the assembly table, the lower end of a water supply pipeline penetrates through the first part to be connected with the water distributing cavity and tightly presses the first part on the assembly table, and the second part is detachably connected with the bottom of the box body. The draining plate is provided with two parts which can be spliced with each other, the first part is small in size and only used for assembling a water supply pipeline, the first part is used as a fixing part and is restrained at the bottom of the box body by the water supply pipeline when leaving a factory, the second part covers the range of the main body of the draining area and is detachably connected with the box body, and when the draining area needs to be cleaned, the restraining relation between the second part and the box body is cancelled, and the second part is taken out.

Description

Cleaning machine

Technical Field

The utility model relates to a cleaning machine for cleaning dishes, fruits and vegetables.

Background

With the increasing living standard of people, the dish washing machine is used as a kitchen household appliance and is more and more introduced into families. The dish-washing machines on the market at present are generally divided into a table type dish-washing machine, a cabinet type dish-washing machine and a trough type dish-washing machine, 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.

Relatively speaking, the desk type and cabinet type dish washing machines have larger volume, can wash more dishes, but have larger energy consumption for each washing; the trough type dish washer has smaller volume, the quantity of the dishes which can be washed once is less, but the energy consumption amount of each washing is less. The applicant's prior application ZL201310752030.3 "open sink washer" discloses a sink dish washer that uses an open water pump with a spray arm as part of the pump volute, while taking into account the functions of drawing water and spraying water columns. Chinese utility model patent application publication No. CN106859563A, energy-saving dishwasher (application No. CN201611232345.5), discloses a table or cabinet type dishwasher, which includes a chamber for accommodating tableware and providing a cleaning space, a spray system for spraying water to clean the tableware, and a pump body for pumping water and supplying water to the spray system; the spraying system is arranged in the cavity; the water pumping end of the pump body is communicated with the cavity, and the water supply end is communicated with the spraying system; the spraying system comprises an inner water pipe and more than two sets of spraying devices, and the more than two sets of spraying devices are respectively arranged on the inner water pipe; the water supply end of the pump body is connected with a water distribution device, the water distribution device is provided with more than two water outlets corresponding to more than two sets of spraying devices, and the spraying devices are communicated with the corresponding water outlets; when the spraying device works, the water distribution device conducts more than one water outlet according to the instruction, so that more than one set of spraying device can perform cleaning work.

In the above-mentioned existing dish washer capable of performing bottom spraying and top spraying, it is generally necessary to separate bottom water supply from top water supply by a water diversion device, and a pipeline for top water supply is communicated with the water diversion device through a filter screen plate. For the current dish washer that adopts closed water pump, because its water pump need not with filter the screen board cooperation installation, consequently it does not have the problem of filter the screen board dismouting, but to the dish washer that adopts open water pump, on filter screen board and water supply pipe complex basis, then be difficult to realize filter the dismouting of screen board to lead to the region below the filter screen board to be difficult to wash.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of the prior art, and provides a cleaning machine which is convenient for connecting a filter screen plate with a water supply pipeline and cleaning the lower side of the filter screen plate by reasonably splicing the filter screen plate.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a cleaning machine, includes box, first water structure, second water structure and pumping mechanism, the bottom half is provided with recessed waterlogging caused by excessive rainfall region, and the top in this waterlogging caused by excessive rainfall region covers there is the waterlogging caused by excessive rainfall board, first water structure is located the bottom half and is located the waterlogging caused by excessive rainfall board top, first water structure top and through water supply pipe and pumping mechanism fluid intercommunication, its characterized in that are located to the second water structure: the draining plate comprises a first part and a second part which can be spliced with each other, the bottom wall of the draining area extends upwards to form an assembly table which is arranged close to the lower wall surface of the first part, a water distributing cavity communicated with the water pumping mechanism in a fluid mode is arranged below the assembly table, the lower end of the water supply pipeline penetrates through the first part to be connected with the water distributing cavity and tightly presses the first part on the assembly table, and the second part is detachably connected with the bottom of the box body.

In the above scheme, a U-shaped groove is formed at the inner edge of the first part, and correspondingly, a clamping edge capable of being clamped in the U-shaped groove is formed at the corresponding edge of the second part in a downward extending mode. By adopting the structure, on one hand, the first part and the second part are convenient to splice, and the sealing performance of the spliced part is kept; on the other hand, when leaving the factory, water supply pipe and the connection of dividing between the water cavity have formed, and first part is retrained at the bottom half and not dismantled promptly, but in order to facilitate the part in the waterlogging caused by excessive rainfall region to wash, the second part needs to be dismantled, and the card limit of above-mentioned second part is pressed and is held in the U-shaped groove, when dismantling the second part, cancels the restraint relation between second part and the box, can directly take out the second part rebound, the dismouting of being convenient for.

Preferably, the U-shaped channel is formed by a depression in the inner edge of the first part, the upper wall of the first part remaining substantially flush with the upper wall of the second part in the assembled state. The structure is favorable for keeping better water flow guiding effect, and the influence on the water return effect caused by the obstruction of the water flow direction is avoided.

Preferably, the assembly table is provided with a water passing opening communicated with the water dividing cavity, the first part is provided with an assembly opening arranged corresponding to the water passing opening, the lower end of the water supply pipeline is provided with an insertion part penetrating through the assembly opening and connected with the water passing opening in a sealing manner, and a boss capable of abutting against the first part is formed at the joint of the water supply pipeline and the insertion part. The structure is beneficial to improving the connection compactness and the sealing performance among the water supply pipeline, the first part, the assembly table and the water distribution cavity.

Preferably, a bayonet which is through from top to bottom is formed in the inner wall of the assembling opening, and correspondingly, a convex card which can be clamped with the lower wall surface of the first part through the bayonet is arranged on the outer peripheral wall of the inserting part. The structure can prevent the water supply pipeline from loosening from the first part to influence the positioning effect on the first part, and also avoid the separation of the lower end of the water supply pipeline.

Preferably, an assembly sleeve extending upwards around the water passing opening is arranged on the upper wall surface of the assembly table, and in an assembled state, the outer peripheral wall of the insertion part is arranged close to the inner peripheral wall of the assembly sleeve, and a sealing ring is arranged between the outer peripheral wall and the inner peripheral wall. This structure is advantageous for further improving the connection sealability.

Preferably, a first surrounding edge arranged close to the inner peripheral wall of the draining area extends downwards at the outer edge of the first part, and a second surrounding edge arranged close to the inner peripheral wall of the draining area extends downwards at the outer edge of the second part. The structure can improve the compactness of connection between the draining plate and the box body, and avoid residues and the like from being accumulated in a connecting gap between the draining plate and the box body.

In order to facilitate the disassembly and assembly, the second part is locked on the bottom wall of the box body through screws.

The water pumping mechanism of the present invention comprises:

the upper part of the upper impeller is a centrifugal impeller, and the lower part of the upper impeller is an axial-flow impeller;

the lower impeller is a centrifugal impeller;

the upper shell is provided with a first accommodating cavity for mounting the upper part of the upper impeller, the top wall and/or the side wall of the upper shell are/is provided with spray holes communicated with the first accommodating cavity in a fluid mode, and the upper shell forms the first water outlet structure; and

the lower shell is connected to the lower portion of the upper shell, a second containing cavity used for installing the lower portion of the upper impeller is formed in the upper portion of the lower shell and communicated with the first containing cavity, a first water inlet used for supplying water into the second containing cavity is formed in the side wall of the lower shell, the first water inlet is located in a water draining area, a third containing cavity used for installing the lower impeller is formed in the lower portion of the lower shell, a second water inlet used for supplying water into the third containing cavity is formed in the bottom wall of the lower shell, a water outlet used for outputting water from the third containing cavity is formed in the side wall of the lower shell, and the water outlet is communicated with the water distribution cavity.

The structure actually forms an open type double-pump system, wherein the second accommodating cavity, the first accommodating cavity and the upper impeller which are positioned on the upper part spray water for the bottom, the third accommodating cavity and the lower impeller which are positioned on the lower part spray water for the top and/or the middle, and because the power of the two paths of water flow is independently supplied by the corresponding pump, the lift and the water flow of each path of water flow are improved, and the cleaning effect is favorably improved.

In order to facilitate assembly, the bottom of the lower shell is arranged in the draining area, a water passing gap is formed between the bottom of the lower shell and the bottom wall of the draining area, an installation opening for the upper part of the lower shell to penetrate through is formed in the second part, a slag collecting basket located beside the installation opening is further arranged on the second part, and the lower part of the slag collecting basket is located in the draining area.

Preferably, the box diapire in the waterlogging caused by excessive rainfall region is the concave first storage tank that is used for installing pump water mechanism that is equipped with on the upper strata, and the side of this first storage tank is provided with the second storage tank that the degree of depth is greater than this first storage tank, the lower part holding of collection sediment basket is in the second storage tank, open the bottom of second storage tank has the outlet, the lateral part of first storage tank has the uncovered that is linked together with second storage tank lateral part, pump water mechanism's first water inlet is located this uncovered top, just be connected with the suction nozzle that slant downwardly extending to this uncovered department on the first water inlet. By adopting the structure, the bottom of the second accommodating groove is the lowest part of the draining area, and the water outlet is arranged at the lowest part, so that residual water can be drained completely, and bacteria and the like caused by water storage can be avoided; the water suction port of the water pumping mechanism is greatly lowered by arranging the first accommodating groove and the second accommodating groove, and the bubbles are isolated above the water level, so that the water flow lift is prevented from being influenced by the bubbles; in the cleaning process, rivers are being carried in the pump water mechanism through the second storage tank after the sediment basket filters, and first storage tank can also play the water conservancy diversion effect with the cooperation of second storage tank on the basis of assembly pump water mechanism, and the suction nozzle has further reduced the height of absorbing water, and is favorable to reducing energy loss, improves rivers jet lift.

Compared with the prior art, the utility model has the advantages that: in order to adapt to the open type water pump structure, the draining plate is arranged into two parts which can be spliced with each other, the first part is small in size and only used for assembling a water supply pipeline, the first part is taken as a fixed part and is restrained at the bottom of the box body by the water supply pipeline when leaving a factory, the second part covers the main body range of the draining area and is detachably connected with the box body, when the draining area needs to be cleaned, the restraining relation between the second part and the box body is cancelled, and the second part is taken out.

Drawings

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

FIG. 2 is a schematic diagram of a portion of an embodiment of the present invention;

FIG. 3 is a cross-sectional view of an embodiment of the present invention;

FIG. 4 is another cross-sectional view of an embodiment of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 3;

FIG. 6 is a schematic view showing an assembly structure of a water supply pipeline and a draining plate according to an embodiment of the present invention;

FIG. 7 is an exploded view of FIG. 6;

fig. 8 is a schematic structural view of a lower case according to an embodiment of the present invention.

Detailed Description

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

As shown in fig. 1 to 8, the cleaning machine of the present embodiment includes a box 6, a first water outlet structure, a second water outlet structure b and a water pumping mechanism a, a concave draining area 61 is provided at the bottom of the box 6, a draining plate 62 covers the top of the draining area 61, the water pumping mechanism a is used for providing water pumping power for the first water outlet structure and the second water outlet structure b, the first water outlet structure is provided at the bottom of the box 6 and located above the draining plate 62, and the second water outlet structure b is provided above the first water outlet structure and is in fluid communication with the water pumping mechanism a through a water supply pipeline 7.

The draining plate 62 comprises a first part 62a and a second part 62b which can be spliced with each other, the first part 62a is matched with the peripheral dimension of the water supply pipeline 7, the bottom wall of the draining area 61 extends upwards to form an assembling table 616 arranged close to the lower wall surface of the first part 62a, a water diversion cavity 617 communicated with the water pumping mechanism a is arranged below the assembling table 616, the lower end of the water supply pipeline 7 penetrates through the first part 62a to be connected with the water diversion cavity 617 and presses the first part 62a onto the assembling table 616, and the second part 62b is detachably restrained on the bottom of the box body 6. A shunt valve 8 is disposed in the shunt chamber 617 for controlling the water supply condition of the water supply pipeline 7.

A U-shaped groove 621 is formed at the inner edge of the first portion 62a (located at the inner side of the draining area 61), and correspondingly, a clamping edge 622 capable of being clamped in the U-shaped groove 621 is formed at the corresponding edge of the second portion 62b in a downward extending manner. The second portion 62b is screwed to the bottom wall of the box 6. With the structure, on one hand, the first part 62a and the second part 62b are convenient to splice, and the sealing performance of the spliced part is kept; on the other hand, when the water dispenser is shipped from a factory, the connection between the water supply pipeline 7 and the water diversion cavity 617 is formed, that is, the first part 62a is constrained at the bottom of the box body 6 and is not disassembled, but in order to facilitate cleaning of the part in the draining area 61, the second part 62b needs to be disassembled, the clamping edge 622 of the second part 62b is pressed in the U-shaped groove 621, when the second part 62b is disassembled, the screw locking relationship between the second part 62b and the box body 6 is cancelled, and the second part 62b can be directly moved upwards to be taken out, so that the disassembly and the assembly are convenient.

The U-shaped groove 621 is formed by sinking the inner edge of the first portion 62a, and the upper wall surface of the first portion 62a is substantially flush with the upper wall surface of the second portion 62b at the junction thereof in the assembled state. The structure is favorable for keeping better water flow guiding effect, and the influence on the water return effect caused by the obstruction of the water flow direction is avoided.

The assembling table 616 is provided with a water passing port 6161 communicated with the water dividing cavity 617, the first portion 62a is provided with an assembling port 623 arranged corresponding to the water passing port 6161, the lower end of the water supply pipeline 7 is provided with an inserting part 70 which penetrates through the assembling port 623 and is hermetically connected with the water passing port 6161, and a boss 701 capable of pressing against the first portion 62a is formed at the joint of the water supply pipeline 70 and the inserting part 70. This configuration is advantageous in improving the compactness and the tightness of the connection between the water supply pipe 7, the first portion 62a, the mounting station 616 and the water-diversion chamber 617. The inner wall of the fitting opening 623 is provided with a vertically through bayonet 6231, and correspondingly, the outer peripheral wall of the plug 70 is provided with a convex card 702 which can be inserted through the bayonet 6231 and clamped with the lower wall surface of the first portion 62 a. This structure prevents the water supply pipe 7 from being loosened from the first portion 62a to affect the positioning of the first portion 62a, and also prevents the lower end of the water supply pipe 7 from being detached.

An assembly sleeve 6162 extending upwards around the water passing hole 6161 is arranged on the upper wall surface of the assembly table 616, and in an assembled state, the outer peripheral wall of the insertion part 70 is arranged close to the inner peripheral wall of the assembly sleeve 6162, and a sealing ring 703 is arranged between the outer peripheral wall and the assembly sleeve 6162. This structure is advantageous for further improving the connection sealability.

In this embodiment, a first peripheral edge 624 is formed at the outer edge of the first portion 62a and a second peripheral edge 625 is formed at the outer edge of the second portion 62 b. This structure can improve the compactness of the connection between the draining board 62 and the box body 6, and avoid the accumulation of residue and the like in the connecting gap between the draining board and the box body.

The water pumping mechanism a of the present embodiment includes an upper impeller 1, a lower impeller 2, an upper housing 3, a lower housing 4, and a driving member 5.

Wherein, the upper part of the upper impeller 1 is a centrifugal impeller, and the lower part is an axial-flow impeller. The lower impeller 2 is a centrifugal impeller.

The upper casing 3 is rotatably disposed above the draining plate 62, the upper casing 3 has a body extending in a length direction, the central portion of the body has a first accommodating cavity 31 for mounting the upper portion of the upper impeller 1, two sides of the body respectively have a flow channel communicated with the first accommodating cavity 31, the top wall of the upper casing 3 is provided with a spray hole 32 communicated with the flow channel, and the upper casing 3 constitutes a first water outlet component, i.e., a bottom spray arm.

The lower shell 4 is connected below the upper shell 3, the upper part of the lower shell 4 is provided with a second accommodating cavity 41 for installing the lower part of the upper impeller 1, and the side wall of the lower shell 4 is provided with a first water inlet 411 for water to enter the second accommodating cavity 41; the lower part of the lower shell 4 is provided with a third containing cavity 42 for installing the lower impeller 2, the bottom wall of the lower shell 4 is provided with a second water inlet 421 for water to enter the third containing cavity 42, the side wall is provided with a water outlet 422 for water to be output from the third containing cavity 42, and the water outlet 422 is communicated with the water distribution cavity 617.

The bottom of the lower shell 4 is arranged in the draining area 61 and has a water passing gap with the bottom wall of the draining area 61, and the second part 62b is provided with a mounting hole 626 for the upper part of the lower shell 4 to pass through.

The driving part 5 is a motor, is arranged below the lower shell 4, and the output shaft 51 is arranged upward, and the output shaft 51 penetrates through the lower shell 4 from bottom to top and extends into the first accommodating cavity 31 of the upper shell 3, and is respectively connected with the lower impeller 2 and the upper impeller 1, and is used for driving the upper impeller 1 and the lower impeller 2 to rotate.

A first containing groove 611 for installing the lower part of the water pumping mechanism a is concavely arranged on the bottom wall of the box body 6 in the draining area 61, a second containing groove 612 with a depth larger than that of the first containing groove 611 is arranged beside the first containing groove 611, the lower part of the slag collecting basket 9 is contained in the second containing groove 612, a water outlet 613 is arranged at the bottom of the second containing groove 612, and a drain valve and a drain pump structure communicated with the water outlet 613 are arranged at the outer bottom of the box body 6. The side of the first containing groove 611 has an opening 6111 communicated with the side of the second containing groove 612, the first water inlet 411 of the water pumping mechanism a is located above the opening 6111, the first water inlet 411 is connected with a suction nozzle 40 extending obliquely downward to the opening 6111, and the second water inlet 421 is located beside the opening 6111. The bottom of the second receiving groove 612 is the lowest position of the draining area 61, and the water outlet 613 is arranged at the lowest position, so that residual water can be drained completely, and bacteria and the like caused by water storage can be avoided; by arranging the first containing groove 611 and the second containing groove 612, the position of the water suction port of the water pumping mechanism a is greatly reduced, bubbles are isolated above the water level, and the water flow lift is prevented from being influenced by the bubbles; in the cleaning process, after being filtered by the slag collecting basket 9, water flow is conveyed to the water pumping mechanism a through the second accommodating groove 612, the first accommodating groove 611 can be matched with the second accommodating groove 612 to play a role in guiding flow on the basis of assembling the water pumping mechanism a, the water absorption height of the suction nozzle 40 is further reduced, energy loss is reduced, and the water flow jet lift is improved.

The upper housing 3 of the present embodiment forms a first water outlet structure, and the lower housing 4 is confined in the first containing groove 611. Have relatively independent first branch pipeline 71, second branch pipeline 72 in the water supply pipeline 7, first branch pipeline 71 is used for carrying the spray arm at box middle part with rivers, and second branch pipeline 72 is used for rivers to carry the spray arm at box top, and the spray arm at box middle part, the spray arm at box top constitute second play water structure b jointly to realize that lower floor, middle level, top layer spray, are favorable to improving the cleaning performance.

When the water draining device is used, the output shaft 51 of the driving part 5 rotates to drive the upper impeller 1 and the lower impeller 2 to rotate, the axial flow blades at the lower part of the upper impeller 1 suck water from the second containing groove 612 of the water draining area 61 into the second containing cavity 41 through the suction nozzle 40 and the first water inlet 411 and convey the water upwards into the first containing cavity 31, and the water in the first containing cavity 31 is sprayed out through the spray holes 32 under the action of the upper part of the upper impeller 1; the lower impeller 2 sucks water from the second containing groove 612 of the draining area 61 into the third containing cavity 42 through the second water inlet 421, and conveys the water upwards along the guide pipeline 423 in the circumferential direction to the water supply pipeline 7 through the water outlet 422, the water supply pipeline 7 conveys the water upwards to perform top and/or middle spraying, part of the fallen water flows into the second containing groove 612 after being preliminarily filtered by the draining plate 62, and part of the fallen water enters the second containing groove 612 after being filtered by the diameter of the slag collecting basket 9.

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.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion, respectively), i.e., a fluid (gas, liquid or a mixture of both) can flow along a flow path from the first portion and/or be transported to the second portion, and may be a direct communication between the first portion and the second portion, or an indirect communication between the first portion and the second portion via at least one third element, such as a fluid channel, e.g., a pipe, a channel, a duct, a flow guide, a hole, a groove, or a chamber that allows a fluid to flow through, or a combination thereof.

Claims (11)

1. The utility model provides a cleaning machine, includes box (6), first structure, the second of going out water structure (b) and pump water mechanism (a), box (6) bottom is provided with recessed waterlogging caused by excessive rainfall region (61), and the top of this waterlogging caused by excessive rainfall region (61) covers has waterlogging caused by excessive rainfall board (62), box (6) bottom and be located waterlogging caused by excessive rainfall board (62) top are located to first structure of going out water, first structure of going out water top and through water supply pipe (7) and pump water mechanism (a) fluid intercommunication, its characterized in that are located to second structure of going out water (b): the draining plate (62) comprises a first part (62a) and a second part (62b) which can be spliced with each other, the bottom wall of the draining area (61) extends upwards to form an assembly table (616) arranged close to the lower wall surface of the first part (62a), a water distributing cavity (617) communicated with the water pumping mechanism (a) is arranged below the assembly table (616), the lower end of the water supply pipeline (7) penetrates through the first part (62a) to be connected with the water distributing cavity (617) and presses the first part (62a) onto the assembly table (616), and the second part (62b) is detachably connected with the bottom of the box body (6).

2. The cleaning machine of claim 1, wherein: a U-shaped groove (621) is arranged at the inner edge of the first part (62a), and correspondingly, a clamping edge (622) capable of being clamped in the U-shaped groove (621) is formed by extending downwards at the corresponding edge of the second part (62 b).

3. The cleaning machine of claim 2, wherein: the U-shaped groove (621) is formed by sinking the inner edge of the first part (62a), and the upper wall surface of the first part (62a) is approximately flush with the upper wall surface of the second part (62b) at the joint position in the assembled state.

4. The cleaning machine of claim 1, wherein: the assembly table (616) is provided with a water passing port (6161) communicated with the water distribution cavity (617), the first part (62a) is provided with an assembly port (623) arranged corresponding to the water passing port (6161), the lower end of the water supply pipeline (7) is provided with an insertion part (70) penetrating through the assembly port (623) and connected with the water passing port (6161) in a sealing way, and a joint of the water supply pipeline (7) and the insertion part (70) is provided with a boss (701) capable of being pressed on the first part (62 a).

5. The cleaning machine of claim 4, wherein: the inner wall of the assembling opening (623) is provided with a bayonet (6231) which is penetrated through up and down, and correspondingly, the peripheral wall of the inserting part (70) is provided with a convex card (702) which can be clamped with the lower wall surface of the first part (62a) through the bayonet (6231).

6. The cleaning machine of claim 4, wherein: an assembly sleeve (6162) extending upwards around the water gap (6161) is arranged on the upper wall surface of the assembly table (616), and in an assembled state, the outer peripheral wall of the insertion part (70) is arranged close to the inner peripheral wall of the assembly sleeve (6162) and a sealing ring (703) is arranged between the outer peripheral wall and the inner peripheral wall.

7. The cleaning machine of any one of claims 1-6, wherein: a first peripheral edge (624) arranged close to the inner peripheral wall of the draining area (61) extends downwards at the outer edge of the first part (62a), and a second peripheral edge (625) arranged close to the inner peripheral wall of the draining area (61) extends downwards at the outer edge of the second part (62 b).

8. The cleaning machine of any one of claims 1-6, wherein: the second portion (62b) is screwed to the bottom wall of the box (6).

9. The cleaning machine of claim 1, wherein: the water pumping mechanism (a) comprises

An upper impeller (1);

a lower impeller (2);

the upper shell (3) is provided with a first accommodating cavity (31) for mounting the upper part of the upper impeller (1), the top wall and/or the side wall of the upper shell (3) is/are provided with spray holes (32) communicated with the first accommodating cavity (31) in a fluid mode, and the upper shell (3) forms the first water outlet structure; and

the lower casing (4) is connected below the upper casing (3), a second accommodating cavity (41) used for installing the lower part of the upper impeller (1) is formed in the upper part of the lower casing (4), the second accommodating cavity (41) is communicated with the first accommodating cavity, a first water inlet (411) for supplying water into the second accommodating cavity (41) is formed in the side wall of the lower casing (4), the first water inlet (411) is located in a water draining area, a third accommodating cavity (42) used for installing the lower impeller (2) is formed in the lower part of the lower casing (4), a second water inlet (421) for supplying water into the third accommodating cavity (42) is formed in the bottom wall of the lower casing (4), a water outlet (422) for supplying water output from the third accommodating cavity (42) is formed in the side wall of the lower casing (4), and the water outlet (422) is communicated with the water diversion cavity (617).

10. The cleaning machine of claim 9, wherein: the bottom of the lower shell (4) is arranged in the draining area (61) and a water passing gap is formed between the bottom wall of the draining area (61), the second part (62b) is provided with a mounting hole (626) for the upper part of the lower shell (4) to pass through, the second part (62b) is further provided with a slag collecting basket (9) located beside the mounting hole (626), and the lower part of the slag collecting basket (9) is located in the draining area (61).

11. The cleaning machine of claim 10, wherein: a first containing groove (611) for installing a water pumping mechanism (a) is concavely arranged on the bottom wall of the box body (6) in the draining area (61), a second containing groove (612) with the depth larger than that of the first containing groove (611) is arranged beside the first containing groove (611), the lower part of the slag collecting basket (9) is contained in the second containing groove (612), a water outlet (613) is formed in the bottom of the second containing groove (612), an opening (6111) communicated with the side part of the second containing groove (612) is formed in the side part of the first containing groove (611), a first water inlet (411) of the water pumping mechanism (a) is located above the opening (6111), and a suction nozzle (40) extending downwards to the opening (6111) is connected to the first water inlet (411).

Images