CN215838891U - Cleaning machine - Google Patents

Abstract

The utility model relates to a cleaning machine which comprises a box body, a first water outlet component, a second water outlet component and a water pumping mechanism, wherein the first water outlet component is arranged at the lower part of the box body and used for providing bottom spraying, the second water outlet component is arranged at the upper part of the box body and used for providing upper spraying, the water pumping mechanism is used for providing water drawing power for the first water outlet component and the second water outlet component, the water pumping mechanism comprises a water drawing component and a driving component, the water drawing component can independently supply water for the first water outlet component and the second water outlet component, the driving component is used for providing power for the water drawing component, the water drawing component is arranged in the box body, and the driving component is arranged outside the box body. The utility model provides an open type water pump which adopts a single power source and a double-pump structure and can respectively provide power for two paths of water flow independently, so that the problem that the two paths of water supply compete for the water flow is avoided, the work done on the single path of water flow is increased, the lift and the water flow of each path of water flow are improved, and the cleaning effect is improved.

Description

Cleaning machine

Technical Field

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

Background

For table type and cabinet type dish washing machines, because the washing space is large, in order to achieve better washing effect, a top spray arm, a middle spray arm and a lower spray arm are generally designed; when the dishwasher is in operation, the washing pump conveys water to the top, the middle and the lower spray arms through pipelines, the water is sprayed out of the top, the middle spray arms and the lower spray arms and washes tableware and then falls back into a water cup at the bottom of the dishwasher, and the washing pump conveys the fallen water to the top, the middle and the lower spray arms again to complete a cycle.

For example, the chinese utility model patent application publication No. CN106859563A, energy saving dishwasher (application No. CN201611232345.5), discloses a structure including 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 current dish washer that can carry out bottom and spray, top sprays, a pump for supplying water for the spraying system generally adopts closed structure, is about to locate the spiral case of washing pump in the box below, is provided with ability pivoted impeller in the spiral case, and the water inlet of washing pump spiral case is linked together bottom the washing chamber, and the delivery port of spiral case is connected with the water diversion device, and this water diversion device divides into the first branch road of supplying water to bottom spray arm and the second branch road of supplying water to top spray arm with rivers. Because the water pressure of the top spraying water and the bottom spraying water is independently supplied by the washing pump, the lift, the flow and the impact force of the water flow on each branch are greatly reduced after the water flow is divided, and the cleaning effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of the prior art and provides a cleaning machine which can respectively provide power for two paths of washing water so as to improve the lift and the water flow and further improve the cleaning effect.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a cleaning machine comprises a box body, a first water outlet component, a second water outlet component and a water pumping mechanism, wherein the first water outlet component is arranged at the lower part of the box body and used for providing bottom spraying, the second water outlet component is arranged at the upper part of the box body and used for providing upper spraying, the water pumping mechanism is used for providing water drawing power for the first water outlet component and the second water outlet component, the water pumping mechanism comprises a water drawing component and a driving component, the water drawing component can independently supply water for the first water outlet component and the second water outlet component, the driving component is used for providing power for the water drawing component, the water drawing component is arranged in the box body, and the driving component is arranged outside the box body.

In the above scheme, the water drawing assembly includes a volute, a first impeller and a second impeller, the volute has a first water drawing cavity and a second water drawing cavity which are relatively independent and respectively in fluid communication with the tank body, the first impeller is rotatably disposed in the first water drawing cavity, the second impeller is rotatably disposed in the second water drawing cavity, and an output shaft of the driving member is connected with the first impeller and the second impeller. By the arrangement of the structure, power is conveniently provided for bottom spraying and upper spraying respectively, and the problem of water supply competition is avoided, so that the water flow lift is improved.

The volute comprises an upper shell and a lower shell, wherein the upper shell is provided with a first accommodating cavity for installing the upper part of a first impeller, the lower shell is connected below the upper shell, the upper part of the lower shell is provided with a second accommodating cavity for installing the lower part of the first impeller, the first accommodating cavity and the second accommodating cavity are communicated up and down to form a first water sucking cavity, the side wall of the lower shell is provided with a first water inlet for water to enter the second accommodating cavity, the second water sucking cavity is positioned at the lower part of the lower shell, and the side wall and/or the bottom wall of the lower shell is/are provided with a second water inlet for water to enter the second water sucking cavity and a water outlet for water to be output from the second water sucking cavity.

Preferably, the upper part of the first impeller is a centrifugal impeller, the lower part of the first impeller is an axial-flow impeller, and the second impeller is a centrifugal impeller.

Preferably, the top wall and/or the side wall of the upper shell is provided with an injection hole which is in fluid communication with the first accommodating cavity, and the upper shell is rotatably arranged at the top of the lower shell and forms the first water outlet component.

In the above scheme, the middle part of the lower shell is provided with a partition plate for dividing the second accommodating cavity and the second water drawing cavity into relatively independent cavities. The second containing cavity and the second water drawing cavity are relatively independent, so that water supply for downward spraying through the first impeller and water supply for top and/or middle spraying through the second impeller are facilitated, mutual fluid disturbance is reduced, capacity loss is reduced, and water flow lift, water flow and spraying force are improved.

Preferably, the second water drawing cavity is located below the partition plate and is approximately disc-shaped, the second water inlet is formed in the bottom wall of the lower shell, and the water outlet is formed in the side wall of the lower shell and is tangentially connected with the second water drawing cavity through a guide pipeline. The structure is beneficial to reducing the capacity loss of the second water drawing cavity for outputting water flow.

Preferably, the second accommodating cavity is located above the partition plate and extends vertically, and the inner diameter of the second accommodating cavity is smaller than that of the second water pumping cavity and is matched with the lower part of the first blade. The structure is beneficial to reducing the capacity loss of water flow when the water flow passes through the second accommodating cavity.

Preferably, the top wall of the partition board is provided with a n-shaped coaming board extending transversely, the coaming board and the partition board jointly enclose a water inlet channel communicated with the second accommodating cavity, and an outer port of the water inlet channel forms the first water inlet. By adopting the structure, the water inlet channel is convenient to produce and manufacture, and is arranged at the bottom of the second accommodating cavity, so that the water flow disturbance is favorably reduced, and the capacity loss of the water flow flowing through the second accommodating cavity is further reduced.

For the convenience of assembly, the outer circumferential wall of the upper portion of the lower housing is provided with a support plate extending in a radial direction, and the upper housing is restrained on the support plate. The upper wall surface of the supporting plate is provided with a clamping ring, and the bottom wall of the upper shell is provided with a clamping pin which can rotatably penetrate through the clamping ring to be arranged and is clamped and limited with the bottom wall of the clamping ring, so that the upper shell is detachably connected to the top of the lower shell.

Preferably, a third water inlet arranged corresponding to the first accommodating cavity is formed in the bottom wall of the upper shell, and the third water inlet is butted with an upper port of the second accommodating cavity. The diameter of the third water inlet is larger than the inner diameter of the second accommodating cavity, and the inner diameter of the upper part of the lower shell close to the upper end of the second accommodating cavity is gradually enlarged to form a guide part which can be smoothly transited and connected with the inner bottom wall of the first accommodating cavity. The structure is beneficial to reducing the capacity loss of water flow in the process of entering the first accommodating cavity from the second accommodating cavity.

Preferably, the outer edge of the guide portion is arranged close to the inner edge of the third water inlet, a blocking piece which extends along the radial direction and is supported on the bottom wall of the upper shell is arranged on the outer peripheral wall of the guide portion, and the outer edge of the blocking piece is arranged corresponding to the inner edge of the blocking foot. The structure is favorable for improving the sealing performance of the third water inlet, and avoids water leakage from influencing the bottom spraying lift.

In the utility model, a concave draining area is arranged at the bottom of the box body, a draining plate covers the top of the draining area, the bottom of the lower shell is supported in the draining area, a water passing gap is formed between the bottom wall of the lower shell and the bottom wall of the box body, the first water inlet and the second water inlet are both positioned below the draining plate, and the upper shell is positioned above the draining plate.

Preferably, a first containing groove for installing the lower shell is concavely arranged on the bottom wall of the box body in the draining area, a second containing groove with the depth larger than that of the first containing groove is arranged beside the first containing groove, a slag collecting basket is arranged on the draining plate, the lower part of the slag collecting basket is contained in the second containing groove, a water outlet is formed in the bottom of the second containing groove, an opening communicated with the side part of the second containing groove is formed in the side part of the first containing groove, and a water inlet of the water pumping mechanism is located nearby the opening. 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, water flow is conveyed to the water pumping mechanism through the second accommodating groove after being filtered by the slag collecting basket, and the first accommodating groove can be matched with the second accommodating groove to play a role in guiding water on the basis of assembling the water pumping mechanism, so that the water return efficiency is improved.

Preferably, the first water inlet is located uncovered top, just be connected with the suction nozzle that slope downwardly extending to uncovered department on the first water inlet, the second water inlet is located uncovered side. The structure is beneficial to reducing the energy loss of water flow and improving the water return efficiency and the water flow lift.

Preferably, the bottom of the tank body is provided with a valve-pump integrated structure which is connected with the water outlet and is used for closing the water outlet or quickly draining water. So as to discharge the stored water quickly and fully.

Preferably, a sensor for detecting water temperature and/or detecting water turbidity is arranged in the draining area. The structure can provide basis for the cleaning process and improve the cleaning effect.

Preferably, a heating element for heating water is arranged on the bottom wall of the box body corresponding to the draining area.

Preferably, a water supply pipeline for conveying water at the bottom of the tank body upwards to the second water outlet component is arranged in the tank body, and the lower end of the water supply pipeline is in fluid communication with the water outlet of the lower shell.

Preferably, the second water outlet component comprises a middle spraying arm and a top spraying arm, the water supply pipeline is provided with a first branch pipeline and a second branch pipeline which are relatively independent, the water outlet end of the first branch pipeline is connected with the water inlet end of the middle spraying arm, and the water outlet end of the second branch pipeline is connected with the water inlet end of the top spraying arm. By adopting the structure, the spraying of the lower layer, the middle layer and the top layer is realized, and the cleaning effect is favorably improved.

Preferably, the bottom of the box body is further provided with a shunt valve for controlling whether the first branch pipeline and the second branch pipeline circulate or not, a water inlet of the shunt valve is connected with a water outlet of the lower shell, a first water outlet of the shunt valve is connected with an input end of the first branch pipeline, and a second water outlet of the shunt valve is connected with an input end of the second branch pipeline. The structure is convenient for controlling the use states of the middle-layer spraying and the top-layer spraying according to requirements, for example, the first branch pipeline can be closed, the second branch pipeline can be opened, and only the top-layer spraying is carried out; the first branch pipeline can be opened, the second branch pipeline can be closed, and only middle-layer spraying is carried out, so that more use requirements are met.

Preferably, the middle part of the box body is provided with a partition board which can divide the inner cavity of the box body into an upper cavity and a lower cavity which are relatively independent from each other from top to bottom, the bottom spray arm is positioned at the bottom of the lower cavity, the middle spray arm is positioned at the middle part or the upper part of the lower cavity, and the top spray arm is positioned in the upper cavity. By adopting the structure, the lower cavity or the upper cavity and the lower cavity can be conveniently sprayed and cleaned according to the requirements, so that more requirements of consumers are met.

Preferably, water supply pipeline presses close to the box inner wall and arranges, the top spray arm includes from water supply pipeline to the first spray arm that the box middle part extended and be located this first spray arm top and be close to the second spray arm that the box inner wall was arranged, first spray arm is located the bottom of cavity and is used for upwards spraying rivers, the second spray arm is located the middle part or the upper portion of cavity and is used for spraying rivers to the region of first spray arm top. The structure is favorable for eliminating the cleaning dead angle of the upper cavity and improving the cleaning effect in the upper cavity.

Compared with the prior art, the utility model has the advantages that: the utility model provides an open type water pump which adopts a single power source and a double-pump structure and can respectively provide power for two paths of water flow independently, so that the problem that the two paths of water supply compete for the water flow is avoided, the work done on the single path of water flow is increased, the lift and the water flow of each path of water flow are improved, and the cleaning effect is improved.

Drawings

FIG. 1 is a schematic structural diagram of a water pumping mechanism in an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;

FIG. 3 is a cross-sectional view of a water pumping mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a lower housing according to an embodiment of the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 from another angle;

FIG. 6 is a cross-sectional view of the lower housing in an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a cleaning machine according to an embodiment of the present invention;

FIG. 8 is a cross-sectional view of a cleaning machine in an embodiment of the present invention;

FIG. 9 is a partial cross-sectional view of a cleaning machine in an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a bottom of the case body according to the 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 10, the cleaning machine of the present embodiment includes a box 6, a first water outlet component, a second water outlet component b and a water pumping mechanism a, wherein the first water outlet component is disposed at a lower portion of the box 6 and used for providing bottom spraying, and the second water outlet component b is disposed at an upper portion of the box 6 and used for providing upper spraying. The water pumping mechanism a is arranged at the bottom of the box body 6 and is used for providing water drawing power for the first water outlet component and the second water outlet component b.

As shown in fig. 1, 2, 3 and 8, the pumping mechanism a of the present embodiment includes a water drawing assembly 100 capable of independently supplying water to the first water outlet member and the second water outlet member b, and a driving member 5 for providing power to the water drawing assembly 100, wherein the water drawing assembly 100 is disposed in the box body 6, and the driving member 5 is disposed outside the box body 6.

The water drawing assembly 100 includes a volute 10, a first impeller 1 and a second impeller 2, the volute 10 has a first water drawing chamber and a second water drawing chamber 42 which are relatively independent and respectively in fluid communication with the tank 6, the first impeller 1 is rotatably disposed in the first water drawing chamber, the second impeller 2 is rotatably disposed in the second water drawing chamber 42, and an output shaft 51 of the driving member 5 is connected to the first impeller 1 and the second impeller 2. The upper part of the first impeller 1 is a centrifugal impeller, the lower part is an axial-flow impeller, and the second impeller 2 is a centrifugal impeller.

Specifically, the scroll casing 10 includes an upper casing 3 and a lower casing 4, the upper casing 3 has a first accommodating chamber 31 for installing the upper portion of the first impeller 1, the lower casing 4 is connected below the upper casing 2, the upper portion of the lower casing 4 has a second accommodating chamber 41 for installing the lower portion of the first impeller 1, the first accommodating chamber 31 and the second accommodating chamber 41 are vertically communicated to form the first water drawing chamber, a first water inlet 411 for supplying water into the second accommodating chamber 41 is formed in the side wall of the lower casing 4, the second water drawing chamber 42 is located at the lower portion of the lower casing 4, a second water inlet 421 for supplying water into the second water drawing chamber 42 is formed in the bottom wall of the lower casing 4, and a water outlet 422 for supplying water out from the second water drawing chamber 42 is formed in the side wall of the lower casing 4. The top wall of the upper shell 3 is provided with a spray hole 32 which is in fluid communication with the first accommodating cavity 31, and the upper shell 3 is rotatably arranged at the top of the lower shell 4 and forms a first water outlet component, namely a bottom spray arm.

The middle portion of the lower housing 4 of this embodiment is provided with a partition plate 43 for dividing the second receiving chamber 41 and the second drawing chamber 42 into relatively independent chambers. The second accommodating cavity 41 and the second water drawing cavity 42 are relatively independent, so that water supply for downward spraying through the first impeller 1 and water supply for top and/or middle spraying through the second impeller 2 are facilitated, mutual fluid disturbance is reduced, capacity loss is reduced, and water flow lift, water flow and spraying force are improved.

The second drawing cavity 42 is located below the partition 43 and is substantially disc-shaped, the second water inlet 421 is opened at the center of the bottom wall of the lower housing 4, and the water outlet 422 is tangentially connected with the second drawing cavity 42 through the guide pipeline 423, which is favorable for reducing the capacity loss of the second drawing cavity 42 for outputting water flow.

The second receiving chamber 41 is located above the partition 43 and extends vertically, and the inner diameter of the second receiving chamber 41 is smaller than the inner diameter of the second pumping chamber 42 and is adapted to the lower portion of the first blade 12. This configuration is advantageous in reducing the loss of water flow through the second receiving chamber 41.

As shown in fig. 4, 5 and 6, the top wall of the partition 43 is provided with a n-shaped skirt 431 extending transversely, the skirt 431 and the partition 43 together define a water inlet passage 432 communicating with the second receiving chamber 41, and an outer port of the water inlet passage 432 forms the first water inlet 411. By adopting the structure, the production and the manufacture are convenient, and the water inlet channel 432 is arranged at the bottom of the second accommodating cavity 41, so that the disturbance of water flow is reduced, and the capacity loss of the water flow flowing through the second accommodating cavity 42 is further reduced.

For ease of assembly, the outer peripheral wall of the upper portion of the lower case 4 is provided with a support plate 44 extending in the radial direction, and the upper case 3 is restrained on the support plate 44. A clamping ring 441 is arranged on the upper wall surface of the supporting plate 44, and a clamping pin 33 which can be rotatably arranged through the clamping ring 441 and is clamped and limited with the bottom wall of the clamping ring 441 is arranged on the bottom wall of the upper shell 3, so that the upper shell 3 is detachably connected to the top of the lower shell 4.

As shown in fig. 3, a third water inlet 34 is formed on the bottom wall of the upper housing 3 and arranged corresponding to the first accommodating chamber 31, and the third water inlet 34 is butted against the upper port of the second accommodating chamber 41. The diameter of the third water inlet 34 is larger than the inner diameter of the second accommodating chamber 41, and the inner diameter of the upper part of the lower housing 4 near the upper end of the second accommodating chamber 41 is gradually enlarged to form a guide part 412 which can be smoothly transited and connected with the inner bottom wall of the first accommodating chamber 31. This structure is advantageous for reducing the loss of the water flow in the process of entering the first accommodation chamber 31 from the second accommodation chamber 41. The outer edge of the guide part 412 is disposed close to the inner edge of the third water inlet 34, and a stopper 413 extending in the radial direction and supported on the bottom wall of the upper housing 3 is disposed on the outer peripheral wall of the guide part 412, and the outer edge of the stopper 413 is disposed corresponding to the inner edge of the locking leg 33. This structure is favorable to improving the leakproofness of third inlet 34 department, avoids rivers to leak and influences the lift that the bottom sprays.

The output shaft 51 of the present embodiment is radially limited to the first impeller 1 and the second impeller 2, and a nut capable of preventing the first impeller 1 from moving along the axial direction of the output shaft 51 is disposed at the upper end of the output shaft 51. Adopt above-mentioned structure, the dismouting of being convenient for is taking off last casing 3 from rand 441 after, unscrews the nut, can take off first impeller 1, washs last casing 3, first impeller 1, the cavity on casing 4 upper portion down to avoid bacterial growing, improve cleaning performance.

As shown in fig. 7 to 10, the bottom of the box body 6 of this embodiment is provided with a concave draining area 61, the top of the draining area 61 is covered with a draining plate 62, the bottom of the lower shell 4 is supported in the draining area 61, a water passing gap 60 is formed between the bottom wall of the lower shell 4 and the bottom wall of the box body 6, the first water inlet 411 and the second water inlet 421 are both located below the draining plate 62, and the upper shell 3 is located above the draining plate 62. The draining board 62 is provided with a slag collecting basket 9.

As shown in fig. 9 and 10, a first receiving groove 611 for mounting the lower housing 4 is concavely formed on the bottom wall of the box body 6 in the draining area 61, a second receiving groove 612 having a depth greater than that of the first receiving groove 611 is formed beside the first receiving groove 611, the lower portion of the slag collecting basket 9 is received in the second receiving groove 612, a water outlet 613 is formed at the bottom of the second receiving groove 612, and a drain valve and a drain pump structure communicated with the water outlet 613 are formed at the outer bottom of the box body 6, and the structure is a valve-pump integrated structure. The side of the first containing groove 611 has an opening 6111 communicating with the side of the second containing groove 612, the first water inlet 411 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 draining area 61 is provided with a temperature sensor m for detecting water temperature and a turbidity sensor n for detecting water turbidity, the temperature sensor m is arranged on the inner bottom wall of the first accommodating groove 611 and is close to the opening 6111, and the turbidity sensor n is located on the side of the second accommodating groove 612. A heating element f for heating water is arranged on the bottom wall of the box body 6 corresponding to the draining area 61.

The tank 6 of this embodiment is provided therein with a water supply pipe 7 for supplying water at the bottom of the tank 6 upward to the second water outlet part b, and the lower end of the water supply pipe 7 is in fluid communication with the water outlet 422 of the lower housing 4. The second water outlet component b comprises a middle spray arm a1 and a top spray arm a2, the water supply pipeline 7 is provided with a first branch pipeline 71 and a second branch pipeline 72 which are independent, the water outlet end of the first branch pipeline 71 is connected with the water inlet end of the middle spray arm a1, and the water outlet end of the second branch pipeline 72 is connected with the water inlet end of the top spray arm a 2. By adopting the structure, the spraying of the lower layer, the middle layer and the top layer is realized, and the cleaning effect is favorably improved.

The bottom of the box 6 is further provided with a shunt valve 8 for controlling whether the first branch pipeline 71 and the second branch pipeline 72 circulate, a water inlet of the shunt valve 8 is connected with a water outlet 422 of the lower shell 4, a first water outlet of the shunt valve 8 is connected with an input end of the first branch pipeline 71, and a second water outlet of the shunt valve 8 is connected with an input end of the second branch pipeline 72. The structure is convenient for controlling the use state of the middle-layer and top-layer spraying according to the requirement, for example, the first branch pipeline 71 can be closed, the second branch pipeline 72 can be opened, and only the top-layer spraying is carried out; the first branch pipeline 71 can be opened, the second branch pipeline 72 can be closed, and only middle-layer spraying is carried out, so that more use requirements can be met.

The middle part of the box body 6 is provided with a clapboard which can divide the inner cavity of the box body into an upper cavity and a lower cavity which are relatively independent from each other up and down, the bottom spray arm is positioned at the bottom of the lower cavity, the middle spray arm a1 is positioned at the middle part or the upper part of the lower cavity, and the top spray arm a2 is positioned in the upper cavity. By adopting the structure, the lower cavity or the upper cavity and the lower cavity can be conveniently sprayed and cleaned according to the requirements, so that more requirements of consumers are met.

The water supply pipeline 7 is arranged close to the inner side wall of the box body 6, the top spray arm a2 comprises a first spray arm a21 extending from the water supply pipeline 7 to the middle of the box body 6 and a second spray arm a22 located above the first spray arm a21 and arranged close to the inner side wall of the box body 6, the first spray arm a21 is located at the bottom of the upper cavity and used for upwards spraying water, and the second spray arm a22 is located at the middle or upper part of the upper cavity and used for spraying water to the area above the first spray arm a 21. The structure is favorable for eliminating the cleaning dead angle of the upper cavity and improving the cleaning effect in the upper cavity.

When the cleaning machine of the embodiment is used, the output shaft 51 of the driving member 5 rotates to drive the first impeller 1 and the second impeller 2 to rotate, the axial flow blade at the lower part of the first impeller 1 sucks water into the second accommodating cavity 41 from the first water inlet 411 and conveys the water upwards to 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 first impeller 1; the second impeller 2 sucks water from the second water inlet 421 into the second water sucking cavity 42, and conveys the water to the water supply pipeline 7 through the water outlet 422 along the guide pipeline 423 in the circumferential direction, the water supply pipeline 7 conveys the water flow upwards to perform top and/or middle spraying, and during water drainage, the water is sucked and discharged through the valve-pump integrated structure at the bottom of the box body 6 below 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 (25)

1. The cleaning machine comprises a box body (6), a first water outlet component, a second water outlet component (b) and a water pumping mechanism (a), wherein the first water outlet component is arranged at the lower part of the box body (6) and used for providing bottom spraying, the second water outlet component (b) is arranged at the upper part of the box body (6) and used for providing upper spraying, and the water pumping mechanism (a) is used for providing water drawing power for the first water outlet component and the second water outlet component (b), and is characterized in that: the water pumping mechanism (a) comprises a water drawing component (100) capable of independently supplying water for the first water outlet component and the second water outlet component (b) respectively and a driving piece (5) used for providing power for the water drawing component (100), the water drawing component (100) is arranged in the box body (6), and the driving piece is arranged outside the box body (6).

2. The cleaning machine of claim 1, wherein: the water drawing assembly (100) comprises a volute (10), a first impeller (1) and a second impeller (2), the volute (10) is provided with a first water drawing cavity and a second water drawing cavity (42) which are relatively independent and are respectively communicated with a tank body (6) in a fluid mode, the first impeller (1) can be rotatably arranged in the first water drawing cavity, the second impeller (2) can be rotatably arranged in the second water drawing cavity (42), and an output shaft (51) of a driving piece (5) is connected with the first impeller (1) and the second impeller (2).

3. The cleaning machine of claim 2, wherein: the volute (10) comprises an upper shell (3) and a lower shell (4), the upper shell (3) is provided with a first accommodating cavity (31) for installing the upper part of the first impeller (1), 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 first impeller (1), the first containing cavity (31) and the second containing cavity (41) are communicated up and down to form the first water drawing cavity, a first water inlet (411) for water to enter the second accommodating cavity (41) is formed in the side wall of the lower shell (4), the second water drawing cavity (42) is positioned at the lower part of the lower shell (4), and a second water inlet (421) for water to enter the second water drawing cavity (42) and a water outlet (422) for water to be output from the second water drawing cavity (42) are formed in the side wall and/or the bottom wall of the lower shell (4).

4. The cleaning machine of claim 3, wherein: the upper part of the first impeller (1) is a centrifugal impeller, the lower part of the first impeller is an axial-flow impeller, and the second impeller (2) is a centrifugal impeller.

5. The cleaning machine of claim 3, wherein: 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 the upper shell (3) can be rotatably arranged at the top of the lower shell (4) and forms the first water outlet component.

6. The cleaning machine of claim 3, wherein: the middle part of the lower shell (4) is provided with a clapboard (43) which is used for dividing the second containing cavity (41) and the second water sucking cavity (42) into relatively independent cavities.

7. The cleaning machine of claim 6, wherein: the second water drawing cavity (42) is located below the partition plate (43) and is approximately disc-shaped, the second water inlet (421) is formed in the bottom wall of the lower shell (4), and the water outlet (422) is formed in the side wall of the lower shell (4) and is tangentially connected with the second water drawing cavity (42) through a guide pipeline (423).

8. The cleaning machine of claim 6, wherein: the second accommodating cavity (41) is located above the partition plate (43) and extends vertically, and the inner diameter of the second accommodating cavity (41) is smaller than that of the second water pumping cavity (42) and is matched with the lower portion of the first impeller (1).

9. The cleaning machine of claim 8, wherein: the n-shaped coaming (431) transversely extending is arranged on the top wall of the partition plate (43), a water inlet channel (432) communicated with the second accommodating cavity (41) is formed by the coaming (431) and the partition plate (43) in a surrounding mode, and the outer port of the water inlet channel (432) forms the first water inlet (411).

10. The cleaning machine of claim 3, wherein: the outer peripheral wall of the upper portion of the lower casing (4) is provided with a support plate (44) extending in the radial direction, and the upper casing (3) is restrained on the support plate (44).

11. The cleaning machine of claim 10, wherein: be provided with rand (441) on the upper wall of backup pad (44), be provided with on the diapire of last casing (3) and pass rand (441) with rotating and arrange and with rand (441) diapire looks joint spacing card foot (33).

12. The cleaning machine of claim 3, wherein: and a third water inlet (34) arranged corresponding to the first accommodating cavity (31) is formed in the bottom wall of the upper shell (3), and the third water inlet (34) is butted with the upper end opening of the second accommodating cavity (41).

13. The cleaning machine of claim 12, wherein: the diameter of the third water inlet (34) is larger than the inner diameter of the second accommodating cavity (41), and the inner diameter of the upper part of the lower shell (4) close to the upper end of the second accommodating cavity (41) is gradually enlarged to form a guide part (412) which can be smoothly transited and connected with the inner bottom wall of the first accommodating cavity (31).

14. The cleaning machine of claim 13, wherein: the outer edge of the guide part (412) is close to the inner edge of the third water inlet (34), and a blocking piece (413) which extends along the radial direction and is supported on the bottom wall of the upper shell (3) is arranged on the outer peripheral wall of the guide part (412).

15. The cleaning machine of claim 3, wherein: the utility model discloses a water logging device, including box (6), 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 draining plate (62), lower casing (4) bottom sprag has water clearance (60) in waterlogging caused by excessive rainfall region (61) and between lower casing (4) diapire and the bottom wall in box (6), first water inlet (411) and second water inlet (421) all are located draining plate (62) below, it is located draining plate (62) top to go up casing (3).

16. The cleaning machine of claim 15, wherein: a first containing groove (611) for installing a lower shell 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), a slag collecting basket (9) is arranged on the draining plate, the lower part of the slag collecting basket (9) is positioned in the draining area (61) and is contained in the second containing groove (612), a water outlet (613) is formed in the bottom of the second containing groove (612), and 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).

17. The cleaning machine of claim 16, wherein: the first water inlet (411) is positioned above the opening (6111), the first water inlet (411) is connected with a suction nozzle (40) which obliquely and downwardly extends to the opening (6111), and the second water inlet (421) is positioned beside the opening (6111).

18. The cleaning machine of claim 16, wherein: the bottom of the box body (6) is provided with a valve-pump integrated structure which is connected with the water outlet (613) and is used for closing the water outlet (613) or quickly draining water.

19. The cleaning machine of claim 15, wherein: and a sensor for detecting water temperature and/or water turbidity is arranged in the draining area (61).

20. The cleaning machine of claim 15, wherein: and a heating piece (f) for heating water is arranged on the bottom wall of the box body (6) corresponding to the draining area (61).

21. The cleaning machine of claim 3, wherein: and a water supply pipeline (7) used for conveying water at the bottom of the box body (6) upwards to the second water outlet component is arranged in the box body (6), and the lower end of the water supply pipeline (7) is in fluid communication with a water outlet (422) of the lower shell (4).

22. The cleaning machine of claim 21, wherein: the second water outlet component comprises a middle spray arm (a1) and a top spray arm (a2), the water supply pipeline (7) is internally provided with a first branch pipeline (71) and a second branch pipeline (72) which are independent, the water outlet end of the first branch pipeline (71) is connected with the water inlet end of the middle spray arm (a1), and the water outlet end of the second branch pipeline (72) is connected with the water inlet end of the top spray arm (a 2).

23. The cleaning machine of claim 22, wherein: the bottom of the box body (6) is also provided with a shunt valve (8) used for controlling whether the first branch pipeline (71) and the second branch pipeline (72) circulate or not, a water inlet of the shunt valve (8) is connected with a water outlet (422) of the lower shell (4), a first water outlet of the shunt valve is connected with the input end of the first branch pipeline (71), and a second water outlet of the shunt valve is connected with the input end of the second branch pipeline (72).

24. The cleaning machine of claim 23, wherein: the middle part of the box body (6) is provided with a clapboard which can separate the inner cavity of the box body into an upper cavity and a lower cavity which are relatively independent from each other from top to bottom, the first water outlet component is positioned at the bottom of the lower cavity, the middle spray arm (a1) is positioned at the middle part or the upper part of the lower cavity, and the top spray arm (a2) is positioned in the upper cavity.

25. The cleaning machine of claim 24, wherein: box (6) inside wall arrangement is pressed close to in water supply pipe (7), top spray arm (a2) include from water supply pipe (7) to box (6) middle part extension first spray arm (a21) and be located this first spray arm (a21) top and be close to second spray arm (a22) that box (6) inside wall arrangement, first spray arm (a21) are located the bottom of cavity and are used for upwards spraying rivers, second spray arm (a22) are located the middle part or the upper portion of cavity and are used for spraying rivers to the region of first spray arm (a21) top.

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