CN114680767A - Cleaning machine - Google Patents

Abstract

The invention relates to a cleaning machine, which comprises a box body, a water pumping mechanism and a water supply pipeline, wherein a concave draining area is arranged at the bottom of the box body, a draining plate covers the top of the draining area, the water pumping mechanism is used for pumping water in the draining area to the position above the draining plate, the lower end of the water supply pipeline penetrates through the draining plate and is communicated with the water pumping mechanism in a fluid mode, and the cleaning machine is characterized in that: the draining plate comprises a first part, a second part and a third part which can be spliced with each other, in order to adapt to the open type water pump structure, the draining plate is arranged into the three parts which can be spliced with each other, the first part is small in size and convenient to assemble with 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 and the third part cover the range of a main body of a draining area, the second part is locked on the box body, and when the draining area needs to be cleaned, only the third part is taken down, so that the operation is convenient.

Description

Cleaning machine

Technical Field

The invention relates 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 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 cupboard type dishwasher is also a separate 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 invention 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.

Disclosure of Invention

The invention 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 disassembling and assembling the filter screen plate so as to clean the lower side of the filter screen plate by reasonably splicing the filter screen plate.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a cleaning machine, includes box, pump water mechanism and water supply pipe, the bottom half is provided with recessed waterlogging caused by excessive rainfall region, has relative arrangement's first edge and second edge, and the top in this waterlogging caused by excessive rainfall region covers there is the waterlogging caused by excessive rainfall board, and pump water mechanism is used for the regional water pump of waterlogging caused by excessive rainfall to waterlogging caused by excessive rainfall board top, the lower extreme of water supply pipe passes the waterlogging caused by excessive rainfall board and arranges and with pump water mechanism fluid intercommunication, its characterized in that: the draining board comprises

A first portion, arranged proximate to a first edge of the draining area and positioned on the tank, for providing an assembly area for the water supply pipes;

the second part is spliced with the first part and locked on the box body through a detachable connecting structure;

the third part is arranged close to the second edge of the draining area and is spliced with the second part, and the third part is detachably restrained on the box body;

and a mounting port which is matched and connected with the water pumping mechanism is formed at the joint of the second part or the second part and the third part.

Preferably, the edge of the second portion is provided with a semicircular first notch, correspondingly, the edge of the third portion is provided with a semicircular second notch, and the first notch and the second notch are mutually matched to form the mounting opening. When the draining area is cleaned, the first part and the second part do not need to be detached, but only the third part is taken out, and the first notch and the second notch which are oppositely matched are arranged, so that only the third part is detached conveniently.

Preferably, the water pumping mechanism is provided with a supporting plate arranged close to the lower edge of the mounting opening, a first convex ring extending upwards is arranged at the first gap, a second convex ring extending upwards is arranged at the second gap, the first convex ring and the second convex ring are mutually combined to form an assembly ring capable of being arranged on the periphery of the supporting plate in a surrounding manner, a detachable clamping ring is arranged above the draining plate and is clamped on the supporting plate, the lower edge of the clamping ring is tightly pressed on the first convex ring and the second convex ring, and the clamping ring is arranged on the supporting plate through a clamping structure. The clamping ring is convenient to mount the upper shell, meanwhile, the third part can be pressed on the second part, when the third part is dismounted, the upper shell and the clamping ring are taken down, and then the third part is dismounted, so that the operation is convenient.

Preferably, the second part is a plastic part, the first convex ring and the second part are integrally formed, the third part is a metal part, and the second convex ring is a plastic part which is connected to the third part in a melting mode. The structure is favorable for improving the assembly compactness and the practicability of the draining plate.

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, and 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 lower shell is connected below the upper shell, a second accommodating cavity used for installing the lower part of the upper impeller is formed in the upper part of the lower shell, the second accommodating cavity is communicated with the first accommodating cavity, a first water inlet used for supplying water into the second accommodating cavity is formed in the side wall of the lower shell, the first water inlet is located in a water draining area, a third accommodating cavity used for installing the lower impeller is formed in the lower part of the lower shell, a second water inlet used for supplying water into the third accommodating cavity is formed in the bottom wall of the lower shell, a water outlet used for outputting water from the third accommodating cavity is formed in the side wall of the lower shell, and the water outlet is communicated with the water supply pipeline;

the bottom of the upper housing is rotatably constrained to the collar.

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 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 at the junction 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.

Preferably, the second portion is provided with a U-shaped fitting groove at an edge near the third portion, and correspondingly, a convex edge capable of being clamped in the fitting groove is formed at the corresponding edge of the third portion in a downward extending manner. The assembly groove is formed by sinking the edge of the second part, and the upper wall surface of the second part is approximately flush with the upper wall surface of the third part at the joint position in the assembled state. When the draining area needs to be cleaned, only the third part is detached, and the third part is conveniently detached by adopting the structure.

As an improvement, the outer side wall of the assembling groove is provided with a U-shaped flow guide port communicated with the bottom of the assembling groove. Because the concatenation department of second portion and third part roughly is located the central part of bottom half, during tiny food waste in the rivers that fall back got into the gap of second portion and third part concatenation easily, set up above-mentioned structure, can wash into the waterlogging caused by excessive rainfall region through the tiny waste in water conservancy diversion mouth with the help of the power of beating of the rivers that fall back in with the gap, avoid long-term not clearing up and breed the bacterium.

Preferably, the third part is provided with a slag collecting basket, the third part is provided with an opening, the top of the slag collecting basket is provided with a supporting edge which is supported on the upper edge of the opening, the lower part of the slag collecting basket is accommodated in the draining area, the bottom of the box body is provided with a water outlet, and the bottom of the slag collecting basket is detachably clamped on the edge of the water outlet. Through above-mentioned structure, can carry on spacingly to the third part, after taking out the sediment basket, can cancel the spacing to the third part, be convenient for pull down the third part.

Compared with the prior art, the invention has the advantages that: in order to adapt to the open type water pump structure, the draining plate is provided with three parts which can be spliced with each other, the first part is small in size and convenient to assemble with a water supply pipeline, the first part is taken 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 and the third part cover the main body range of the draining area, the second part is locked on the box body, when the draining area needs to be cleaned, only the third part is taken down, and the operation is convenient.

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;

FIG. 9 is a schematic structural view of a draining board according to an embodiment of the present invention;

fig. 10 is an exploded view of fig. 9.

Detailed Description

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

As shown in fig. 1 to 10, 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 outlet 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, a second part 62b and a third part 62c which can be spliced with each other, the size of the first part 62a is consistent with the size of the periphery of the water supply pipeline 7, the bottom wall of the draining area 61 extends upwards to form a mounting table 616 arranged close to the lower wall surface of the first part 62a, a water diversion cavity 617 which is communicated with the water pumping mechanism a is arranged below the mounting 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 press the first part 62a onto the mounting table 616, and the second part 62b is detachably connected with 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, and 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 and extends downwards. 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 third portion 62c is arranged proximate to a second edge of the draining area 61, arranged opposite to the first edge, and is reciprocally coupled with the second portion 62b, the third portion 62c being removably constrained to the tank 6. The joint of the second part 62b and the third part 62c is provided with a mounting port 60 which is matched and connected with the water pumping mechanism a.

Specifically, a semicircular first notch 601 is formed at an edge of the second portion 62b, and correspondingly, a semicircular second notch 602 is formed at an edge of the third portion 62c, and the first notch 601 and the second notch 602 are mutually matched to form the mounting opening 60. In actual use, the second portion 62b is screwed to the bottom wall of the tank 6, and the third portion 62c is directly rested on the edge of the second portion 62b and the draining area 61.

The water pumping mechanism a is provided with a supporting plate 44 arranged close to the lower edge of the mounting port 60, a first convex ring 6011 extending upwards is arranged at the first notch 601, a second convex ring 6021 extending upwards is arranged at the second notch 602, the first convex ring 6011 and the second convex ring 6021 are mutually combined to form an assembly ring capable of enclosing the periphery of the supporting plate 44, a clamping ring 603 which is detachably clamped on the supporting plate 44 and the lower edge of which is pressed on the first convex ring 6011 and the second convex ring 6021 is arranged above the draining plate 62, and the clamping ring 603 is mounted on the supporting plate 44 through a clamping structure.

The first part 62a and the second part 62b are made of plastic, the first convex ring 6011 and the second part 62b are integrally formed by injection molding, the third part 62c is made of metal, and the second convex ring 6021 is made of plastic fused with the third part 62 c. The structure is favorable for improving the assembly compactness and the practicability of the draining plate.

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, a first accommodating cavity 31 for installing the upper part of the upper impeller 1 is formed in a central portion of the body, flow passages communicated with the first accommodating cavity 31 are respectively formed in two sides of the body, and a spray hole 32 communicated with the flow passages is formed in a top wall of the upper casing 3.

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 casing 4 is arranged in the draining area 61 and has a water gap with the bottom wall of the draining area 61.

The bottom of the upper housing 3 is rotatably constrained to the collar 603 by snap-fitting. The collar 603 facilitates mounting of the upper housing 3 while also pressing the third part 62c against the second part 62 b.

The second portion 62b is provided with a U-shaped fitting groove 626 near an edge of the third portion 62c, and correspondingly, a convex edge 627 capable of being caught in the fitting groove 626 is formed extending downward from the corresponding edge of the third portion 62 c. The fitting groove 626 is formed by sinking the edge of the second portion 62b, and the upper wall surface of the second portion 62b is substantially flush with the upper wall surface of the third portion 62c at the junction in the fitted state.

The outer side wall of the assembly groove 626 is provided with a U-shaped diversion port 6261 which is communicated with the bottom of the assembly groove 626. Because the splicing part of the second part 62b and the third part 62c is approximately positioned at the central part of the bottom of the box body 6, fine food residues in the falling water flow easily enter a gap formed by splicing the second part 62b and the third part 62c, and by means of the structure, the fine food residues in the gap can be flushed into the draining area 61 through the flow guide opening 6261 by means of the beating force of the falling water flow, so that the condition that bacteria are bred for a long time is avoided.

The third part 62c is provided with a slag collecting basket 9, the third part 62c is provided with an opening 628, the top of the slag collecting basket 9 is provided with a supporting edge 91 which is supported on the upper edge of the opening 628, and the lower part of the slag collecting basket 9 is accommodated in the draining area 61. 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 bottom of the slag collecting basket 9 is detachably clamped at the edge of the water outlet 613 by a buckle.

In the embodiment, when the draining area 61 needs to be cleaned, only the third part 62c is detached, when the third part 62c is detached, the retainer ring 603 is detached, the abutting pressure of the retainer ring 603 on the third part 62c is cancelled, the slag collection basket 9 is taken out, the constraint force of the slag collection basket 9 on the third part 62c is cancelled, and the third part 62c can be taken out by lifting up, so that the operation is convenient.

The upper housing 3 of this 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 accommodating groove 612 of the water draining area 61 into the second accommodating cavity 41 through the suction nozzle 40 and the first water inlet 411 and convey the water upwards into the first accommodating cavity 31, and the water in the first accommodating 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 invention, 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 (15)

1. A cleaning machine comprising a tank (6), a water pumping mechanism (a) and a water supply pipeline (7), wherein a recessed draining area (61) is provided at the bottom of the tank (6), the draining area having a first edge and a second edge which are oppositely arranged, a draining plate (62) is covered on the top of the draining area (61), the water pumping mechanism (a) is used for pumping water in the draining area (61) to the position above the draining plate (62), and the lower end of the water supply pipeline (7) passes through the draining plate (62) to be arranged and is in fluid communication with the water pumping mechanism (a), and the cleaning machine is characterized in that: the draining board (62) comprises

A first portion (62a) arranged proximate to a first edge of said draining area (61) and positioned on the tank (6) for providing an assembly area for the water supply pipe (7);

the second part (62b) is spliced with the first part (62a) and locked on the box body (6) through a detachable connecting structure;

-a third portion (62c) arranged proximate to a second edge of said draining area (61) and reciprocally joined with the second portion (62b), said third portion (62c) being removably constrained to the tank (6);

the joint of the second part (62b) or the second part (62b) and the third part (62c) is provided with a mounting port (60) which is matched and connected with the water pumping mechanism (a).

2. The cleaning machine of claim 1, wherein: the edge of the second part (62b) is provided with a semicircular first notch (601), correspondingly, the edge of the third part (62c) is provided with a semicircular second notch (602), and the first notch (601) and the second notch (602) are mutually matched to form the mounting opening (60).

3. The cleaning machine of claim 2, wherein: the water pumping mechanism (a) is provided with a supporting plate (44) arranged close to the lower edge of the mounting opening (60), a first convex ring (6011) extending upwards is arranged at the first notch (601), a second convex ring (6021) extending upwards is arranged at the second notch (602), the first convex ring (6011) and the second convex ring (6021) are mutually combined to form an assembly ring capable of surrounding the periphery of the supporting plate (44), and a detachable clamping ring (603) which is clamped on the supporting plate (44) and the lower edge of which is pressed on the first convex ring (601) and the second convex ring (602) is arranged above the draining plate (62).

4. The cleaning machine of claim 3, wherein: the second part (62b) is a plastic part, the first convex ring (6011) and the second part (62b) are integrally formed, the third part (62c) is a metal part, and the second convex ring (6021) is a plastic part which is connected to the third part (62c) in a melting mode.

5. The cleaning machine of claim 3, 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), and the top wall and/or the side wall of the upper shell (3) is/are provided with spray holes (32) which are communicated with the first accommodating cavity (31) in a fluid mode; and

a lower shell (4) connected below the upper shell (3), wherein 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), the second containing cavity (41) is communicated with the first containing cavity, a first water inlet (411) for water to enter the second containing cavity (41) is arranged on the side wall of the lower shell (4), the first water inlet (411) is positioned in the draining area, the lower part of the lower shell (4) is provided with a third containing cavity (42) for installing a lower impeller (2), a second water inlet (421) for water to enter the third accommodating cavity (42) is formed in the bottom wall of the lower shell (4), a water outlet (422) for supplying water to be output from the third accommodating cavity (42) is formed in the side wall of the lower shell (4), and the water outlet (422) is communicated with the water supply pipeline (7);

the bottom of the upper housing (3) is rotatably constrained to a collar (603).

6. The cleaning machine of any one of claims 1-5, wherein: 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 distribution cavity (617) communicated with the water pumping mechanism (a) is arranged below the assembly table (616), and the lower end of the water supply pipeline (7) penetrates through the first part (62a) to be connected with the water distribution cavity (617) and presses the first part (62a) on the assembly table (616).

7. The cleaning machine of claim 6, 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).

8. The cleaning machine of claim 7, 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.

9. The cleaning machine of claim 6, wherein: the assembly table (616) is provided with a water passing port (6161) communicated with the water distribution cavity (617), the first part (61a) 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).

10. The cleaning machine of claim 9, 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).

11. The cleaning machine of claim 9, wherein: an assembly sleeve (6162) which extends 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.

12. The cleaning machine of any one of claims 2 to 5, wherein: the second part (62b) is provided with a U-shaped assembly groove (626) at the edge close to the third part (62c), and correspondingly, a convex edge (627) which can be clamped in the assembly groove (626) is formed by extending downwards at the corresponding edge of the third part (62 c).

13. The washing machine as claimed in claim 12, wherein: the assembly groove (626) is formed by sinking the edge of the second part (62b), and in an assembled state, the upper wall surface of the second part (62b) is approximately flush with the upper wall surface of the third part (62c) at the joint.

14. The cleaning machine of claim 12, wherein: and a U-shaped diversion port (6261) communicated with the bottom of the assembly groove (626) is formed in the outer side wall of the assembly groove (626).

15. The cleaning machine of claim 12, wherein: the third part (62c) is provided with a slag collecting basket (9), the third part (62c) is provided with an opening (628), the top of the slag collecting basket (9) is provided with a supporting edge (91) which is supported on the upper edge of the opening (628), the lower part of the slag collecting basket (9) is accommodated in the draining area (61), the bottom of the box body (6) is provided with a water outlet (613), and the bottom of the slag collecting basket (9) is detachably clamped at the edge of the water outlet (613).

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