Debris collection assembly and dishwasher

Abstract

A debris collection assembly and a dishwasher. The debris collection assembly has a water collection cavity (101) and a debris collection cavity (102) in communication with the water collection cavity (101), wherein the water collection cavity (101) is configured to collect washing water, and the debris collection cavity (102) is provided with a water outlet (103) and a debris discharge port (104). The debris collection assembly comprises a debris collection filter screen (121), which is disposed in the debris collection cavity (102) and is configured to separate debris from water in washing water, wherein the water separated from the washing water is discharged through the water outlet (103), and the separated debris remain in the debris collection cavity (102) and can be discharged through the debris discharge port (104).

Description

Sludge collecting assembly and dishwasher

[0001] Cross-reference to related applications

[0002] The present application claims priority to the Chinese patent application No. 202411311249.4, filed on September 19, 2024, with the Chinese Patent Office, the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0003] The present application relates to the technical field of kitchen appliances, in particular to a sludge collecting assembly and a dishwasher. BACKGROUND

[0004] The dishwasher applies internal circulating water for jet washing, so as to reduce water consumption. During the washing process, food residues enter the water and are filtered by the filter screen. As the food residues accumulate, the holes on the filter screen are gradually blocked by large particles, the water inlet of the water pump is gradually reduced, the water jet intensity of the washing is affected, and the tableware is not washed clean. In order to ensure the washing effect of the dishwasher, the user must clean the filter screen regularly.

[0005] In the existing internal circulation system, the residues are always flushed by the circulating water, and small particles of residues can enter the cleaning water and be brought to the tableware, causing secondary pollution of the tableware. In order to ensure the washing effect of the dishwasher, there are usually the following solutions: 1) increasing the area of the filter screen to reduce the frequency of cleaning the filter screen by the user; 2) using a scraper to clean the side where the residues accumulate on the filter screen.

[0006] However, increasing the area of the filter screen increases the cost of the filter screen; when the scraper cleans, the residues are squeezed and enter the water pump through the filter screen, causing secondary pollution, affecting the cleaning effect, affecting the performance and service life of the filter screen, and also increasing the secondary pollution and affecting the cleaning effect. In addition, the residues adhere to the filter screen, and the residues are difficult to discharge.

[0007] SUMMARY

[0008] One object of the present application is to provide a sludge collecting assembly which can filter washing water and collect residues in a sludge collecting cavity.

[0009] Another object of the present application is to provide a dishwasher.

[0010] According to the sludge collecting assembly of the present application, the sludge collecting assembly has a water collecting cavity and a sludge collecting cavity communicating with the water collecting cavity, the water collecting cavity is used to collect washing water, and the sludge collecting cavity is provided with a water outlet and a residue discharge port; the sludge collecting assembly comprises a sludge collecting filter screen, which is arranged in the sludge collecting cavity and used to separate residues and water in the washing water, the separated water in the washing water is discharged through the water outlet, and the separated residues are retained in the sludge collecting cavity and can be discharged through the residue discharge port.

[0011] According to the slag collecting assembly, the washing water can be filtered, and the slag can be collected in the slag collecting cavity.

[0012] In addition, the slag collecting assembly can have the following additional technical features.

[0013] In some embodiments, the slag collecting filter screen is rotatably arranged in the slag collecting cavity.

[0014] In some embodiments, the slag collecting filter screen is arranged to rotate freely.

[0015] In some embodiments, the slag collecting assembly further comprises a driving member, the driving member is in transmission connection with the slag collecting filter screen, and the driving member is used to drive the slag collecting filter screen to rotate.

[0016] In some embodiments, the driving member is arranged side by side on the outside of the slag collecting cavity, and the slag collecting assembly further comprises a transmission assembly, the transmission assembly is in transmission connection with the driving member and the slag collecting filter screen respectively, and is used to transmit the rotating motion of the driving shaft of the driving member to the slag collecting filter screen.

[0017] In some embodiments, the slag collecting filter screen is arranged in a cylindrical shape, the circumferential wall of the slag collecting filter screen is used to filter the washing water, the water outlet is arranged on the inside of the slag collecting filter screen, and the space on the outside of the slag collecting filter screen is in communication with the water collecting cavity and the slag discharging port.

[0018] In some embodiments, the slag collecting assembly further comprises a flow disturbing member, the flow disturbing member is arranged in the slag collecting cavity, and is used to agitate the water and the slag in the slag collecting cavity.

[0019] In some embodiments, the flow disturbing member is rotatably arranged in the slag collecting cavity, or the flow disturbing member comprises a plurality of blades which are spaced apart in the circumferential direction, or the flow disturbing member is relatively static with the slag collecting filter screen or is relatively static with the slag collecting cavity, or at least a part of the flow disturbing member is located in the lower part of the slag collecting cavity.

[0020] In some embodiments, the water collecting cavity and the slag collecting cavity are arranged side by side, and the circumferential wall of the water collecting cavity is provided with a communication port which is in communication with the slag collecting cavity.

[0021] In some embodiments, the communication port is higher than the inner bottom surface of the water collecting cavity and / or the inner bottom surface of the slag collecting cavity, and / or the slag collecting cavity is closed at other positions except the communication port and the water outlet during the filtering of the slag collecting assembly.

[0022] In some embodiments, the filter screen aperture of the slag collecting filter screen is not less than 0.1 mm and not more than 1 mm, or the filter screen aperture of the slag collecting filter screen is not less than 0.6 mm and not more than 1 mm.

[0023] In some embodiments, the inner bottom surface of the slag collecting cavity is configured to be inclined downwardly in a direction from the water collecting cavity to the slag discharging port; and / or, the lower end of the slag collecting filter screen is higher than the inner bottom surface of the slag collecting cavity; and / or, the inner bottom surface of the slag collecting cavity is provided with a boss, the water outlet is arranged on the top surface of the boss, and the slag collecting filter screen is arranged on the boss.

[0024] In some embodiments, the slag discharging port is provided with a one-way valve configured to open the slag discharging port in a direction of discharging slag of the slag collecting cavity.

[0025] In some embodiments, the slag collecting assembly comprises a water cup, the water collecting cavity and the slag collecting cavity are arranged in the water cup, the water collecting cavity and the slag collecting cavity extend in an up-down direction and the upper ends thereof penetrate through the top surface of the water cup, the upper end of the water collecting cavity is configured to form a water inlet, and the upper end of the slag collecting cavity is provided with a slag collecting cavity cover for closing the slag collecting cavity.

[0026] In some embodiments, the slag collecting cavity cover is provided with a positioning structure, and the slag collecting filter screen is positioned on the slag collecting cavity cover; and / or, the slag collecting cavity cover is detachably connected with the water cup.

[0027] In some embodiments, the slag collecting assembly further comprises: a planar filter screen having an opening, and being configured to be inclined downwardly from the periphery to the opening, and the upper end of the water collecting cavity is open and opposite to the opening; and a filter cup arranged in the opening and the water collecting cavity.

[0028] The dishwasher according to the embodiments of the present application comprises the aforementioned slag collecting assembly. BRIEF DESCRIPTION OF DRAWINGS

[0029] FIG. 1 is a schematic view of a slag collecting assembly according to an embodiment of the present application.

[0030] FIG. 2 is a schematic view of the slag collecting assembly according to an embodiment of the present application in one direction.

[0031] FIG. 3 is a schematic view of the slag collecting assembly according to an embodiment of the present application in another direction.

[0032] FIG. 4 is a schematic view of the slag collecting assembly according to an embodiment of the present application in still another direction.

[0033] FIG. 5 is a sectional view of the slag collecting assembly according to an embodiment of the present application.

[0034] FIG. 6 is an exploded view of the slag collecting assembly according to an embodiment of the present application.

[0035] Reference numerals: Slag collection assembly 10, water cup 11, flow channel plate 111, boss 112, water collection chamber 101, slag collection chamber 102, water outlet 103, slag discharge port 104, connecting port 105, slag collection filter screen 121, flow turbulence component 122, one-way valve 123, slag collection chamber cover 124, driving component 13, first gear 141, second gear 142, flat filter screen 151, filter cup 152, circulation pump 161, drainage pump 162. Detailed Implementation

[0036] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application.

[0037] As shown in Figures 1 to 6, the slag collection assembly 10 according to an embodiment of this application is used in a dishwasher. The slag collection assembly 10 has a water collection chamber 101 and a slag collection chamber 102, which is connected to the water collection chamber 101. The water collection chamber 101 is used to collect washing water, and the slag collection chamber 102 is provided with a water outlet 103 and a slag discharge port 104. In addition, the slag collection assembly 10 includes a slag collection filter screen 121, which is disposed in the slag collection chamber 102 and is used to separate the residue and water in the washing water. The water separated from the washing water is discharged through the water outlet 103, and the separated residue remains in the slag collection chamber 102 and can be discharged through the slag discharge port 104.

[0038] Specifically, during the dishwasher's washing process, the washing water flows into the water collection chamber 101, and then from the water collection chamber 101 into the residue collection chamber 102. Under the filtration of the residue collection filter screen 121, water and residue are separated. The filtered water is sent out from the water outlet 103. Driven by the circulation pump 161, the water from the water outlet 103 is sent into the spray arm, which cleans the dishes. The remaining residue after filtration is stored in the residue collection chamber 102. The water sprayed from the spray arm cleans the dishes and then flows back into the water collection chamber 101. During the drainage process, the residue stored in the residue collection chamber 102 is discharged, thereby discharging the residue stored in the residue collection assembly 10.

[0039] According to the slag collection assembly 10 of this application embodiment, the slag collection chamber 102 can collect slag, separating the slag from the circulating washing water and keeping the circulating water clean. It can filter the washing water and collect slag using the slag collection chamber 102. The washing water will enter the circulation after being filtered through the slag collection filter 121. All the washing water in the water collection chamber 101 will be filtered through the slag collection filter 121, achieving complete filtration of the washing water, improving the filtration efficiency of the washing water, improving the washing effect and stability of the dishwasher, and preventing or reducing the possibility of pipe blockage in the dishwasher.

[0040] In some embodiments, the slag collecting filter screen 121 is rotatably arranged in the slag collecting cavity 102. The rotation of the slag collecting filter screen 121 can be used to clean the surface of the filter screen to maintain the filtering performance of the slag collecting filter screen 121. In this case, the centrifugal force during the rotation of the slag collecting filter screen 121 can separate the residues attached to the surface from the slag collecting filter screen 121, and the relative movement between the slag collecting filter screen 121 and the water can also separate the residues attached to the surface from the slag collecting filter screen 121.

[0041] In this case, the slag collecting filter screen 121 can be arranged to rotate freely. That is, the slag collecting filter screen 121 can be arranged to rotate under the driving action of the water flow, which can simplify the structure of the slag collecting assembly 10 and facilitate the surface cleaning of the slag collecting filter screen 121 during the filtering process.

[0042] In addition, as shown in FIG. 5, the slag collecting assembly 10 can further include a driving member 13, which is drivingly connected to the slag collecting filter screen 121 and is used to drive the slag collecting filter screen 121 to rotate. That is, the driving member 13 can be used to drive the slag collecting filter screen 121 to rotate to achieve passive rotation of the slag collecting filter screen 121, so as to further improve the surface cleanliness of the slag collecting filter screen 121 and improve the filtering effect of the slag collecting filter screen 121.

[0043] In this case, the driving member 13 is arranged side by side on the outside of the slag collecting cavity 102, and the slag collecting assembly 10 further includes a transmission assembly, which is drivingly connected to the driving member 13 and the slag collecting filter screen 121, respectively, and is used to transmit the rotational movement of the driving shaft of the driving member 13 to the slag collecting filter screen 121. This can optimize the arrangement of components of the slag collecting assembly 10, reduce the size of the slag collecting assembly 10 in the up-down direction, and improve the space utilization of the slag collecting assembly 10.

[0044] In this case, as shown in FIG. 5, the transmission assembly can include a first gear 141 and a second gear 142, the first gear 141 is drivingly connected to the driving member 13, the second gear 142 is drivingly connected to the first gear 141, and the second gear 142 is drivingly connected to the slag collecting filter screen 121. In this case, the transmission assembly can be arranged on the bottom wall of the slag collecting cavity 102, and in addition, the water outlet 103 can also be arranged on the bottom wall of the slag collecting cavity 102 and integrated with a flow channel in the bottom wall of the slag collecting cavity 102 for connecting the circulating pump 161.

[0045] As shown in FIG. 5 and FIG. 6, in some embodiments, the slag collecting filter 121 is provided in a cylindrical shape, and the circumferential wall of the slag collecting filter 121 is used to filter the washing water. The water outlet 103 is arranged on the inner side of the slag collecting filter 121, and the space on the outer side of the slag collecting filter 121 is connected to the water collecting cavity 101 and the slag discharging port 104. The filtering area of the slag collecting filter 121 can be increased, so that a larger flow of water can be filtered, thereby ensuring the washing efficiency of the dishwasher. In combination with the aforementioned slag collecting filter 121 which is arranged to be rotatable around the axis of the slag collecting filter 121 and is arranged in the slag collecting cavity 102, the inner space of the slag collecting filter 121 is opposite to the water outlet 103.

[0046] In some embodiments, as shown in FIG. 5 and FIG. 6, the slag collecting assembly 10 further comprises a flow disturbing member 122 arranged in the slag collecting cavity 102 and used to agitate the water and the residue in the slag collecting cavity 102. The flow disturbing member 122 can be used to promote the flow disturbance in the slag collecting cavity 102, so as to facilitate the collection of the residue. When the slag collecting cavity 102 is used to discharge the residue, the flow disturbing member 122 can also be used to disturb the flow in the slag collecting cavity 102, so as to facilitate the emptying of the residue in the slag collecting cavity 102, facilitate the cleaning of the dishwasher, avoid the breeding of bacteria, and improve the cleaning effect and safety of the dishwasher.

[0047] In some embodiments, the flow disturbing member 122 is arranged to be rotatable in the slag collecting cavity 102, and the flow disturbing member 122 can be rotated to disturb the flow in the slag collecting cavity 102.

[0048] Optionally, the flow disturbing member 122 comprises a plurality of blades arranged in the circumferential direction and spaced apart from each other, so as to improve the flow disturbing effect on the flow in the slag collecting cavity 102. Further, the flow disturbing member 122 can be arranged in a rotating manner around the axis of the circumference, so that the plurality of blades can disturb the flow in the slag collecting cavity 102 during the rotation of the flow disturbing member 122. Optionally, the slag collecting cavity 102 is provided with a rotatable slag collecting filter 121, and the end of the slag collecting filter 121 is provided with a blade. The slag collecting filter 121 can be used to agitate the residue and the water in the slag collecting cavity 102, so as to facilitate the discharge of the residue. The blade arranged on the end of the slag collecting filter 121 can push the water to flush the surface of the side filter when the slag collecting filter 121 is rotated, so as to separate the residue from the filter.

[0049] Optionally, the flow disturbing member 122 is relatively stationary with respect to the slag collecting filter 121. When the slag collecting filter 121 is rotated, the flow disturbing member 122 can be rotated, so as to simplify the driving structure of the flow disturbing member 122. Alternatively, the flow disturbing member 122 can be arranged to be relatively stationary with respect to the slag collecting cavity 102. In this way, when the water flows through the flow disturbing member 122, the water flow can generate vortexes, and the vortexes can be used to disturb the water flow.

[0050] In addition, at least a part of the flow disturbing member 122 is located in the lower part of the slag collecting cavity 102. The flow disturbing effect on the flow in the slag collecting cavity 102 can be improved.

[0051] In some embodiments, the water collecting cavity 101 and the slag collecting cavity 102 are arranged side by side, and the circumferential wall of the water collecting cavity 101 is provided with a communication opening 105 which is in communication with the slag collecting cavity 102. The washing water in the water collecting cavity 101 can flow into the slag collecting cavity 102 conveniently, and the washing water can be collected in the water collecting cavity 101 conveniently, and the washing water can be filtered conveniently, and the residue can be stored in the water collecting cavity.

[0052] Optionally, the communication opening 105 is higher than the inner bottom surface of the water collecting cavity 101, or the communication opening 105 is higher than the inner bottom surface of the slag collecting cavity 102, or the communication opening 105 is higher than the inner bottom surface of the water collecting cavity 101 and the inner bottom surface of the slag collecting cavity 102, so that the slag can be collected conveniently and the residue can be prevented from flowing back. When the slag collecting assembly 10 is filtering, the slag collecting cavity 102 is closed except the communication opening 105 and the water outlet 103. The residue can be stored in the slag collecting cavity 102, and the filtering efficiency and effect of the slag collecting assembly 10 can be improved.

[0053] In some embodiments, the filter screen aperture of the slag collecting filter screen 121 is not less than 0.1 mm and not more than 1 mm. When the slag collecting filter screen 121 is rotatable and the rotating speed is high (for example, greater than 1000 rpm), the filter screen aperture of the slag collecting filter screen 121 can be enlarged appropriately, for example, the filter screen aperture of the slag collecting filter screen 121 is not less than 0.6 mm and not more than 1 mm. For example, the filter screen aperture of the slag collecting filter screen 121 can be 0.1 mm, 0.2 mm, 0.35 mm, 0.5 mm, 0.6 mm, 0.75 mm or 1 mm, etc. Of course, when the rotating speed of the slag collecting filter screen 121 is low (for example, not more than 1000 rpm), the filter screen aperture of the slag collecting filter screen 121 can be reduced appropriately.

[0054] In some embodiments, the inner bottom surface of the slag collecting cavity 102 is provided with an inclined surface which inclines downward gradually in the direction from the water collecting cavity 101 to the residue discharging opening 104, so that the residue or water, etc. which enters the slag collecting cavity 102 can flow toward the residue discharging opening 104, so that the residue can be discharged smoothly through the residue discharging opening 104, and the bacteria can be prevented from breeding due to the residue stored in the slag collecting cavity 102. Optionally, the lower end of the slag collecting filter screen 121 is higher than the inner bottom surface of the slag collecting cavity 102, so that the residue stored in the slag collecting cavity 102 can be prevented from adhering to the surface of the slag collecting filter screen 121, and the filtering performance of the slag collecting filter screen 121 can be improved. Optionally, the inner bottom surface of the slag collecting cavity 102 is provided with a boss 112, the water outlet 103 is arranged on the top surface of the boss 112, and the slag collecting filter screen 121 is arranged on the boss 112. The filtering performance of the slag collecting filter screen 121 can be improved, and the boss 112 can be used to support the slag collecting filter screen 121, so that the stability of the slag collecting filter screen 121 can be maintained.

[0055] In some embodiments, as shown in FIG. 1 and FIG. 5, the slag discharge port 104 is provided with a one-way valve 123, which is configured to open the slag discharge port 104 in the direction of slag discharge of the slag collection cavity 102. Further, the bottom of the water collection cavity 101 is provided with a water discharge port, and the slag discharge port 104 is arranged at the bottom of the slag collection cavity 102 and is in communication with the water collection cavity when the slag discharge port 104 is opened. During the filtration process, the water discharge pump 162 is closed, and the air pressure in the water discharge channel is relatively high; the slag collection cavity 102 is provided with a water outlet 103, through which fluid can be discharged from the slag collection cavity 102, and the air pressure in the slag collection cavity 102 is relatively low, so that the one-way valve 123 is in a closed state. During the slag discharge process, the water discharge pump 162 is operated, and the air pressure in the water discharge channel is relatively low, so as to filter and wash the water in the slag collection cavity 102; the air pressure in the slag collection cavity 102 is relatively high, and the one-way valve 123 is in an open state, so as to discharge the residue in the slag collection cavity 102.

[0056] The slag collection cavity 102 and the water collection cavity 101 can be communicated through a one-way valve 123. During the cleaning work, the one-way valve 123 is closed, and the slag collection cavity 102 realizes the slag collection function; during the water discharge, the one-way valve 123 is opened, and the residue in the slag collection cavity 102 enters the water collection cavity 101 and is discharged through the water discharge pump 162.

[0057] In some embodiments, as shown in FIG. 6, the slag collection assembly 10 includes a water cup 11, and the water collection cavity 101 and the slag collection cavity 102 are arranged in the water cup 11 and extend in the up-down direction. The upper end of the water collection cavity 101 penetrates the top surface of the water cup 11, and the upper end opening of the water collection cavity 101 forms a water inlet. The upper end of the slag collection cavity 102 penetrates the top surface of the water cup 11, and the upper end of the slag collection cavity 102 is provided with a slag collection cavity cover 124 for closing the slag collection cavity 102. Thus, the assembly and maintenance of the slag collection assembly 10 can be facilitated, and the assembly efficiency of the slag collection assembly 10 can be improved.

[0058] The slag collection cavity cover 124 is provided with a positioning structure, and the slag collection filter screen 121 is positioned on the slag collection cavity cover 124, so that the slag collection cavity cover 124 can be quickly assembled. Alternatively, the slag collection cavity cover 124 is detachably connected with the water cup. The slag collection cavity cover 124 can be quickly disassembled and assembled, the stability of the slag collection assembly 10 can be improved, and the state in the slag collection cavity 102 can be easily observed, so that the slag collection assembly 10 can be easily cleaned.

[0059] The slag collecting cavity cover 124 covers the water cup 11 and seals the slag collecting cavity 102. The circumferential surface of the slag collecting cavity cover 124 is provided with a groove portion, and a slag sealing ring is arranged along the circumference of the slag collecting cavity cover 124 and is matched with the groove portion. The slag sealing ring seals the gap between the slag collecting cavity cover 124 and the inner circumferential surface of the slag collecting cavity 102. In addition, the slag collecting cavity cover 124 is also provided with a bearing, and the upper end of the slag filter screen 121 is connected with the bearing, so that the rotation connection between the slag filter screen 121 and the slag collecting cavity cover 124 is realized by the bearing. The transmission assembly further includes a first shaft, and the upper end of the slag filter screen 121 is provided with a mounting hole. The first shaft is arranged in the slag filter screen 121 and is matched with the mounting hole at the upper end. The matching between the first shaft and the mounting hole can be spline matching or the like, so as to drive the slag filter screen 121 to rotate by the first shaft. The lower end of the first shaft is connected with a second gear 142, and the driving shaft of the driving member 13 is connected with a first gear 141. The first gear 141 and the second gear 142 are in transmission connection, so that the first shaft is driven to rotate by the driving member 13, and then the slag filter screen 121 is driven to rotate.

[0060] The flow channel plate 111 is internally provided with a flow channel. One end of the flow channel is connected with the water outlet 103, and the other end is communicated with the circulating pump 161. The circumferential wall of the water outlet 103 is provided with an opening communicated with the circulating pump 161, and the bottom wall is provided with an opening for the first shaft to pass through. The oil seal and the bearing are arranged between the first shaft and the flow channel plate 111.

[0061] In some embodiments, the slag collecting assembly 10 further includes a flat filter screen 151. The flat filter screen 151 has an opening, and the flat filter screen 151 is inclined downward from the circumference to the opening. The upper end of the water collecting cavity 101 is open and opposite to the opening. A filter cup 152 is arranged in the opening and the water collecting cavity 101. The flat filter screen 151 can be used to filter the washing water once, so as to further improve the filtering effect of the washing water. In addition, the filter cup 152 can store larger residues, and the slag collecting assembly 10 can be cleaned by removing the filter screen.

[0062] The dish washing machine according to the embodiments of the present application includes the slag collecting assembly 10.

[0063] The filter screens (the filter cup 152, the centrifugal filter screen and / or the slag filter screen 121) in the present application can be arranged in a structure easy to be assembled and disassembled, and can be taken out from the inside of the cleaning cavity, so as to facilitate the later maintenance.

[0064] In addition, the slag collecting assembly 10 of the present application can further include a centrifugal cavity. Specifically, the slag collecting assembly 10 of the present application includes the water collecting cavity 101, the centrifugal cavity, the slag collecting cavity 102, the circulating pump 161, the drainage pump 162 and the water distribution valve. In addition, it further includes the flat filter screen, the filter cup 152, the centrifugal filter screen, the slag filter screen 121, the circulating pump 161 and the driving member 13. The slag collecting assembly 10 can include multi-stage filtering.

[0065] The primary filter is composed of a flat filter screen and a filter cup 152. During the cleaning process, the water washes the surface of the tableware, and then the water carries the residues to the bottom of the cleaning cavity, flows through the flat filter screen, and is collected in the water collection cavity 101. The residues smaller than the aperture size of the flat filter screen (0.5-2 mm) enter the water collection cavity 101. The residues larger than the aperture size of the flat filter screen enter the filter cup 152.

[0066] The filter cup 152 has two apertures, the aperture size of the side of the filter cup 152 is small, and can be set to 0.5-3 mm. The aperture size of the bottom of the filter cup 152 is large, and can be set to 5-10 mm. The residues larger than the aperture of the bottom of the filter cup 152 need to be cleaned manually. The residues smaller than the aperture of the bottom of the filter cup 152 and larger than the aperture of the side are discharged by the drainage pump 162 during the drainage. The residues smaller than the aperture of the side of the filter cup 152 enter the residue collection cavity 102. The primary filter realizes the filtration of residues larger than 3 mm.

[0067] The secondary filter is composed of a centrifugal filter screen, a residue collection filter screen 121, and a driving member 13. The centrifugal filter screen and the residue collection filter screen 121 have the same aperture, which can be set to 0.4-0.1 mm, and preferably 0.25-0.35 mm. The water and residues entering the centrifugal cavity are filtered by the centrifugal filter screen. The tiny particles smaller than the filter screen can penetrate the filter screen and enter the circulating pump 161 with the water. The residues larger than the filter screen (0.1-3 mm) enter the residue collection cavity 102. During the drainage, the residues in the residue collection cavity 102 are discharged by the drainage pump 162.

[0068] The centrifugal filter screen and the residue collection filter screen 121 of the secondary filter are driven to rotate by the driving member 13. Under the action of the centrifugal force, the residues are separated from the filter screen.

[0069] After the multi-stage filtration, the water is pressurized by the circulating pump 161, most of the water enters the spraying flow channel through the water distribution valve module. A small part of the water enters the backflush flow channel through the backflush flow channel port arranged on the pump outlet flow channel, is then distributed to multiple backflush spray arms, and is sprayed to the centrifugal filter screen through the backflush spray ports. The centrifugal filter screen is cleaned in the reverse direction from the inside to the outside. The contaminants attached to the outer surface of the centrifugal filter screen are separated from the centrifugal filter screen, so that the filter screen has better water permeability. The filter screen rotates under the drive of the motor, so that the filter screen as a whole can be cleaned.

[0070] The slag collecting cavity 102 is communicated with the water collecting cavity and is provided with a water outlet 103 communicated with the circulating pump 161. When the circulating pump 161 works, water is sucked into the pump cavity. A low pressure area is formed at the inlet flow channel of the circulating pump 161, the water collecting cavity 101 (or the aforementioned centrifugal cavity) is a relatively high pressure area, and the communication port is a relatively high pressure area, so that part of the water enters the inlet flow channel of the circulating pump 161 through the slag collecting cavity 102. The contaminants outside the filter screen are pushed to the communication port by the water flow and enter the slag collecting cavity 102 through the communication port. Since the water flow in the slag collecting cavity 102 is slow, and the slag collecting filter screen 121 is arranged in the slag collecting cavity 102, the contaminants are collected in the slag collecting cavity 102, realizing the residue collecting function and separating the contaminants from the circulating water, so that the water for cleaning tableware is always clean water, avoiding secondary pollution of the tableware.

[0071] The slag collecting cavity 102, the slag collecting filter screen 121 and the like in the present application constitute a slag collecting module. The slag collecting module comprises at least one of the slag collecting cavity 102, the slag collecting filter screen 121, a slag collecting screen cover, a first shaft, a first gear 141, a second gear 142, a bearing, an oil seal, a sealing ring and a one-way valve 123.

[0072] In the cleaning process, the water filtered by the first filter enters the slag collecting cavity 102, and the residues are collected in the slag collecting cavity 102 and separated from the main circulating water, realizing the slag-water separation. In order to solve the problem of residue blocking the slag collecting filter screen 121, the slag collecting filter screen 121 is provided with blades at the bottom, the slag collecting filter screen 121 is driven to rotate by the slag collecting motor, the blades drive the water flow to scour the surface of the filter screen, so that the residues are separated from the surface of the filter screen. When draining, the slag collecting filter screen 121 rotates, and the impeller agitates the water in the slag collecting cavity 102 to move, so that the residues move with the water and are discharged through the slag discharge port 104 of the slag collecting cavity 102. The slag collecting module mainly realizes the residue collecting function and the slag-water separation function. The slag collecting filter screen 121 in the present application is provided with blades at the bottom and a filter screen at the side, and the filter screen hole size can be set to 0.1-1 mm, preferably 0.6-1 mm.

[0073] In addition, the slag collecting assembly 10 of the present application can further comprise a cleaning module of the centrifugal filter screen. Optionally, the slag collecting assembly 10 can further comprise at least one of a centrifugal cavity, a centrifugal filter screen, a centrifugal cavity cover, a first shaft, a first gear 141, a third gear, a bearing, an oil seal, a sealing ring and a driving member 13.

[0074] The centrifugal cavity is provided with a centrifugal filter screen, a backflush spray arm, a backflush spray port, an exhaust port, a first shaft, a bearing, an oil seal, and a centrifugal cavity cover, etc. The centrifugal cavity is provided with a driving member 13, a first gear 141, and a third gear on the outside. In addition, the centrifugal cavity is further provided with a circulating pump 161, an inlet water channel, a backflush channel, a slag collecting cavity 102, and a water collecting cavity 101. The cleaning module of the centrifugal filter screen mainly realizes the functions of circulating water microfiltration and backflush cleaning of the filter screen. The filter screen rotates under the driving of the motor, the blades push the water to move to the filter surface, and the filter surface is flushed to separate the residues from the filter screen.

[0075] The water cup 11 of the present application can include a water collecting cavity 101, a centrifugal cavity, a slag collecting cavity 102, a drainage cavity, a shunt cavity, etc. The slag collecting cavity 102 is communicated with the water collecting cavity 101 through a slag discharge port 104, and the slag discharge port 104 is provided with a one-way valve 123. During cleaning, the one-way valve 123 is closed, and the water collecting cavity 101 is separated from the slag collecting cavity 102; during drainage, the one-way valve 123 is opened, and the water collecting cavity 101 is communicated with the slag collecting cavity 102. The water cup 11 mainly realizes the functions of water collection, slag collection, spray arm channel switching, and drainage and slag discharge.

[0076] The aforementioned one-way valve 123 can include a one-way valve 123 cover plate, a one-way valve 123 rubber cover, a one-way valve 123 bracket, and a sealing ring, etc., and mainly realizes the opening and closing functions of the slag discharge port 104.

[0077] The bottom of the water cup 11 is provided with a channel plate 111, which can be integrated with a backflush spray arm, a backflush channel, an inlet channel of a circulating pump 161, an outlet of the centrifugal cavity, a water outlet, and a gear cavity. It mainly realizes the functions of backflush cleaning of the filter screen and circulating water backflow into the circulating pump 161.

[0078] In addition, the filter cup 152, the centrifugal filter screen, and the slag collecting filter screen 121 in the present application can be taken out from the inside of the cleaning cavity for convenient maintenance.

[0079] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0080] In addition, the terms "first", "second", etc. are used only for descriptive purposes and do not connote or imply relative importance or a quantity of the indicated technical features. Thus, a feature defined with "first", "second", etc. can include at least one of the features, explicitly or implicitly. In the description of the present application, the meaning of "a plurality" is at least two, for example, two, three, etc., unless otherwise specifically defined.

[0081] In the present application, unless specifically defined and limited otherwise, the terms "mounting", "connecting", "connecting", "fixing" and the like should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically defined. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0082] In the present application, unless specifically defined and limited otherwise, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0083] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or features of different embodiments or examples described in the present application without contradiction.

[0084] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application.

Claims

1. A slag collecting assembly (10) for a dishwasher, wherein, The slag collecting assembly (10) has a water collecting cavity (101) and a slag collecting cavity (102) communicating with the water collecting cavity (101), the water collecting cavity (101) is used for collecting washing water, and the slag collecting cavity (102) is provided with a water outlet (103) and a slag discharge port (104); The slag collecting assembly (10) comprises a slag collecting filter screen (121) arranged in the slag collecting cavity (102) and used for separating residues and water in the washing water, the separated water in the washing water is discharged through the water outlet (103), and the separated residues remain in the slag collecting cavity (102) and can be discharged through the slag discharge port (104).

2. The slag collection assembly (10) according to claim 1, wherein The slag collecting filter screen (121) is rotatably arranged in the slag collecting cavity (102).

3. The slag collection assembly (10) of claim 2, wherein, The slag collecting filter screen (121) is arranged to be freely rotatable.

4. The slag collection assembly (10) of claim 2, wherein, The slag collecting assembly (10) further comprises a driving member (13) drivingly connected with the slag collecting filter screen (121), and the driving member (13) is used for driving the slag collecting filter screen (121) to rotate.

5. The slag collection assembly (10) of claim 4, wherein, The driving member (13) is arranged outside the slag collecting cavity (102) in parallel, and the slag collecting assembly (10) further comprises a transmission assembly drivingly connected with the driving member (13) and the slag collecting filter screen (121) respectively and used for transmitting the rotating motion of a driving shaft of the driving member (13) to the slag collecting filter screen (121).

6. The skimming assembly (10) according to any one of claims 1-5, wherein The slag collecting filter screen (121) is arranged in a cylindrical shape, a circumferential wall of the slag collecting filter screen (121) is used for filtering washing water, the water outlet (103) is arranged inside the slag collecting filter screen (121), and a space outside the slag collecting filter screen (121) is in space communication with the water collecting cavity (101) and the slag discharge port (104).

7. The skimming assembly (10) according to any one of claims 1-6, wherein The slag collecting assembly (10) further comprises a flow disturbing member (122) arranged in the slag collecting cavity (102) and used for agitating water and residues in the slag collecting cavity (102).

8. The slag collection assembly (10) of claim 7, wherein, The flow disturbing member (122) is rotatably arranged in the slag collecting cavity (102), or the flow disturbing member (122) comprises a plurality of blades distributed in a circumferential direction at intervals, or the flow disturbing member (122) is relatively stationary with the slag collecting filter screen (121) or is relatively stationary with the slag collecting cavity (102), or at least a part of the flow disturbing member (122) is located in a lower part of the slag collecting cavity (102).

9. The skimming assembly (10) according to any one of claims 1-8, wherein, The water collecting cavity (101) and the slag collecting cavity (102) are arranged in parallel, and a circumferential wall of the water collecting cavity (101) is provided with a communication port in communication with the slag collecting cavity (102).

10. The slag collection assembly (10) according to claim 9, wherein, The communication port is higher than an inner bottom surface of the water collecting cavity (101) and / or an inner bottom surface of the slag collecting cavity (102); and / or, other positions of the slag collecting cavity (102) except the communication port and the water outlet (103) are closed during filtering of the slag collecting assembly (10).

11. The skimming assembly (10) according to any one of claims 1-10, wherein A mesh size of the slag collecting filter screen (121) is not less than 0.1 mm and not more than 1 mm, or the mesh size of the slag collecting filter screen (121) is not less than 0.6 mm and not more than 1 mm.

12. The skimming assembly (10) according to any one of claims 1-11, wherein, The inner bottom surface of the slag collecting cavity (102) is provided as an inclined surface gradually inclined downward in the direction from the water collecting cavity (101) to the slag discharge port (104); and / or, the lower end of the slag collecting filter screen (121) is higher than the inner bottom surface of the slag collecting cavity (102); and / or, the inner bottom surface of the slag collecting cavity (102) is provided with a boss (112), the water outlet (103) is arranged on the top surface of the boss (112), and the slag collecting filter screen (121) is arranged on the boss (112).

13. The skimming assembly (10) according to any one of claims 1-12, wherein, The slag discharge port (104) is provided with a one-way valve (123) configured to open the slag discharge port (104) in the slag discharge direction of the slag collecting cavity (102) in one direction; and / or, the bottom of the water collecting cavity (101) is provided with a water discharge port, the slag discharge port (104) is arranged at the bottom of the slag collecting cavity (102), and the slag discharge port (104) is communicated with the water collecting cavity when the slag discharge port (104) is opened.

14. The skimming assembly (10) according to any one of claims 1-13, wherein, The slag collecting assembly (10) comprises a water cup (11), the water collecting cavity (101) and the slag collecting cavity (102) are arranged in the water cup (11), the water collecting cavity (101) and the slag collecting cavity (102) extend in the up-down direction and the upper end penetrates the top surface of the water cup (11), the upper end of the water collecting cavity (101) is configured as a water inlet, and the upper end of the slag collecting cavity (102) is provided with a slag collecting cavity cover for closing the slag collecting cavity (102).

15. The slag collection assembly (10) of claim 14, wherein, The slag collecting cavity cover is provided with a positioning structure, and the slag collecting filter screen (121) is positioned on the slag collecting cavity cover; and / or, the slag collecting cavity cover and the water cup (11) are detachably connected.

16. The skimming assembly (10) according to any one of claims 1-15, wherein, The slag collecting assembly (10) further comprises: A planar filter screen (151) having an opening, and the planar filter screen (151) is provided as being inclined downward from the periphery to the opening, and the upper end of the water collecting cavity (101) is open and opposite to the opening; A filter cup (152) penetrating the opening and the water collecting cavity (101).

17. A dishwasher, wherein, The slag collecting assembly (10) comprises the slag collecting assembly (10) according to any one of claims 1-16. The slag collecting assembly (10) comprises the slag collecting assembly (10) according to any one of claims 1-16.

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