Slag basket structure for cleaning machine, water cup assembly and cleaning machine

Abstract

The utility model relates to a residue basket structure for a cleaning machine, a water cup assembly and the cleaning machine, the residue basket structure comprises a frame body, the frame body is in a vertically through barrel shape, and a first water passing opening extending in the circumferential direction of the frame body is formed in the circumferential wall of the frame body; the filter screen is located in the frame body and can shield the first water passing opening; the filter screen is in a cylindrical shape which is inserted into the frame body and vertically penetrates through the frame body, the impeller is located in the frame body, the impeller is located on a flowing path of water entering from an opening in the top of the frame body, the impeller rotates around a vertically-extending axis under the impact effect of water flow, and the impeller and the filter screen are relatively fixed. Under the action of centrifugal force, residues detained on the filter screen are separated from the filter screen and then washed away by water, so that the effect of cleaning the filter screen is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a washing machine technical field for washing tableware and / or fruits and vegetables, and particularly relates to a residue basket structure for a washing machine, a water cup assembly and a washing machine. BACKGROUND

[0002] With the increasing improvement of people's living standards, dishwashers, as a kind of kitchen household electrical appliances, are increasingly entering families. The dishwasher generally comprises a box body and a spraying device arranged in the box body, and the spraying device is used to draw water at the bottom of the box body into a water spraying component and spray it into the washing cavity to flush the dishes.

[0003] The bottom of the dishwasher is generally provided with a draining area to realize water flow circulation. For example, a Chinese patent application for invention with the patent number CN202011623665.X (publication number CN114081410A) discloses a residue basket, a sink type washing machine with the residue basket and a washing method. The residue basket comprises a basket seat in a vertical cylinder structure with an internal cavity, the upper end of the basket seat is open to allow food residues to enter, and a basket cover is arranged on the upper end of the basket seat, the basket cover has a vertically extending annular side wall and a top wall covering the top end of the annular side wall, and a residue falling hole is formed in the annular side wall to communicate with the open upper end of the basket seat to allow food residues to fall into the hole. The sink type washing machine comprises a residue discharge pipeline arranged below the sink body to discharge food residues and water in the sink body, a water pump arranged in the residue discharge pipeline to pump out the food residues and water in the residue discharge pipeline, and a valve body arranged in the residue discharge pipeline to open and close the passage in the residue discharge pipeline. The inlet of the residue discharge pipeline is upwardly arranged on the water outlet, and the inlet of the residue discharge pipeline communicates with the residue falling channel in the basket seat. The maximum inner diameter of the residue discharge pipeline is greater than the maximum hole diameter of the residue falling hole.

[0004] The bottom of the sink body has at least a central draining area, a pump body is arranged in the draining area to pump out water in the draining area to the upper side of the draining area, and a draining plate is arranged on the draining area. The space above the draining plate is the cleaning cavity. The water outlet is located in the draining area, the residue falling hole is exposed above the draining plate, and the lower end edge of the residue falling hole is substantially at the same level as the upper surface of the draining plate. At least part of the basket seat is located in the draining area, and a filter screen is arranged on the side wall of the basket seat. In this way, part of the water can enter the draining area through the residue basket and then be pumped out to the cleaning cavity by the pump body for circulation.

[0005] The filter screen is arranged on the peripheral wall of the basket seat corresponding to the draining area to filter the residues. However, the residues are difficult to be manually cleaned, the water flow is secondarily contaminated by the residues when circulating in the draining area, and the water return efficiency is also affected. In addition, the residues are easily retained on the filter screen and can contaminate the water again during the next cleaning, affecting the cleaning effect of the dishwasher. Utility model content

[0006] The first technical problem to be solved by the utility model is to provide a slag basket structure capable of self-cleaning for a cleaning machine according to the prior art.

[0007] The second technical problem to be solved by the utility model is to provide a water cup assembly for a cleaning machine using the slag basket structure according to the prior art.

[0008] The third technical problem to be solved by the utility model is to provide a cleaning machine using the water cup assembly according to the prior art.

[0009] The technical scheme adopted by the utility model to solve the first technical problem is as follows: a slag basket structure for a cleaning machine, comprising

[0010] A frame body is in a vertical through cylinder shape, and a first water passage extending along the circumference of the frame body is arranged on the peripheral wall of the frame body.

[0011] A filter screen is arranged in the frame body and can shield the first water passage.

[0012] The filter screen is in a vertical through cylinder shape and is inserted into the frame body, and the slag basket structure further comprises

[0013] An impeller is arranged in the frame body, and the impeller is arranged on the flow path of water entering from the open top of the frame body, the impeller rotates around a vertical axis under the impact of water flow, and the impeller is fixed relative to the filter screen.

[0014] In order to make the impeller drive the filter screen to rotate, the slag basket structure further comprises a mounting bracket, the mounting bracket comprises a ring body and a mounting shaft, the ring body is fixedly installed at the bottom of the filter screen, the mounting shaft extends vertically and is located at the central part of the ring body, a water passage gap is formed between the mounting shaft and the ring body, and the impeller is fixedly installed on the mounting shaft.

[0015] In order to make the impeller rotate, the impeller comprises a mounting rod fixed relative to the mounting shaft and blades arranged on the peripheral wall of the mounting rod, the mounting shaft and the mounting rod are coaxially arranged, the blades are at least two pieces arranged at intervals along the circumference of the mounting rod, each blade spirally extends along the circumference of the mounting shaft, and the upper surface of each blade is a water-facing surface facing the water flow.

[0016] The technical scheme adopted by the utility model for solving the second technical problem is: a water cup assembly for a cleaning machine, characterized by comprising a water cup and the residue basket structure, the water cup has a top open dewatering area, a filter plate is arranged on the top of the dewatering area, the residue basket passes through the filter plate, the top of the frame body is open and is located above the filter plate or is flush with the upper surface of the filter plate, a first water outlet is located in the dewatering area;

[0017] The water cup assembly further comprises a drainage pump for draining water from the dewatering area and a drainage valve for cutting off or connecting the inlet of the drainage pump.

[0018] In order to prevent the secondary pollution of residues to the dewatering area, the bottom of the dewatering area is provided with a through hole, the frame body is inserted into the through hole, a second water outlet is further arranged on the peripheral wall of the frame body and located below the first water outlet, and the second water outlet is located below the through hole; the filter screen can be moved up and down relative to the frame body to a first position and a second position, in the state that the drainage valve cuts off the inlet of the drainage pump, the filter screen is in the first position and shields the first water outlet, and the second water outlet is open, in the state that the drainage valve connects the inlet of the drainage pump, the filter screen is in the second position and shields the second water outlet, and the first water outlet is open. When the drainage valve cuts off the inlet of the drainage pump, water flows into the dewatering area, the filter screen is in the first position, at this time, normal cleaning is carried out, and the residue basket can filter residues; when drainage is needed, the drainage valve connects the inlet of the drainage pump, the filter screen is in the second position, and the brush brushes the filter screen to clean the food residues attached to the filter screen, since the entire self-cleaning process is carried out below the through hole, the cleaned food residues only stay below the dewatering area and are discharged together with the drainage structure, and the residues are not left in the dewatering area, thereby improving the cleaning effect and the secondary pollution. Each time of water inlet and drainage is a self-cleaning, thereby improving the cleaning effect and the self-cleaning effect.

[0019] In order to limit the up-down travel of the filter screen, the frame body is provided with a first limiting part for limiting the upper limit position of the filter screen and a second limiting part for limiting the lower limit position of the filter screen.

[0020] The filter screen can be driven to move up and down by a driving mechanism such as a motor, but the driving mechanism occupies the space in the frame body, affects the water flow, and increases the cost, therefore the water cup assembly further comprises a buoyancy cylinder which can float up under the action of water force, the buoyancy cylinder is arranged in the frame body and is fixedly connected with the filter screen. When water flows into the dewatering area, the buoyancy cylinder moves up under the action of buoyancy and synchronously moves up with the filter screen; when the dewatering area is drained, the filter screen and the buoyancy cylinder move down under the impact of the water flow; in this way, only a buoyancy cylinder made of light material needs to be simply arranged, and the water flow is matched, so that the up-down movement of the filter screen is realized, and the structure is simple.

[0021] In order to facilitate the water flow of the water draining area into the residue basket for filtering, the water draining area is partially concave to form a residue collecting area, and the through hole is arranged on the bottom wall of the residue collecting area.

[0022] The utility model discloses a cleaning machine, its characterized in that, including box and above-mentioned water cup subassembly, the bottom wall of box is just water cup, or, be equipped with the notch on the bottom wall of box, the water cup is installed at the bottom of box, and the top of water cup is to the notch of box.

[0023] Compared with the prior art, the utility model has the advantages that: the impeller is arranged, and the impeller can rotate around the vertical extending axis under the action of water flow, and the impeller is fixedly connected with the filter screen, so that the impeller can be driven to rotate, and under the action of centrifugal force, the residues remaining on the filter screen are separated from the filter screen and then washed away by water, so that the filter screen is cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the structure schematic view of water cup subassembly of the utility model embodiment;

[0025] Figure 2 It is the sectional view (filter screen is in the first position) of Figure 1

[0026] Figure 3 It is the enlarged view of A of Figure 2

[0027] Figure 4 It is the structure schematic view of impeller in Figure 3

[0028] Figure 5 It is the structure schematic view of residue basket structure of Figure 1

[0029] Figure 6 It is the structure schematic view of water cup of Figure 1

[0030] Figure 7 It is the sectional view (filter screen is in the second position) of Figure 1 DETAILED DESCRIPTION

[0031] The utility model will be described further in detail below in connection with the drawings.

[0032] As Figures 1 to 7 ​​​​​​As shown, the cleaning machine of the preferred embodiment comprises a box body (not shown in the figure) and a water cup assembly, the water cup assembly comprises a water cup 1 and a filter plate (not shown in the figure), the water cup 1 has a top open dewatering area 11, and the water cup 1 is provided with a through hole 12 at the bottom of the dewatering area 11, the filter plate is arranged on the top opening of the water cup 1. The bottom wall of the box body is the water cup 1, or the bottom wall of the box body is provided with a notch, the water cup 1 is installed at the bottom of the box body, and the top of the water cup 1 is opposite to the notch of the box body. These are prior art, which will not be described here.

[0033] The water cup assembly further comprises a drainage structure, which comprises a drainage pump for pumping water in the dewatering area 11 and a drainage valve for cutting off or connecting the inlet of the drainage pump. The specific structure of the drainage structure and the cooperation with the water cup 1 are all prior art, which will not be described here. For example, the bottom of the water cup is provided with a pump shell, the lower part of the frame 2 in the following is located in the pump shell, and the drainage pump and the drainage valve are arranged on the pump shell to process the water in the pump shell. It can also refer to the prior patents disclosed in the background of the application and the prior patents applied by the applicant.

[0034] The water cup assembly further comprises a residue basket structure, which comprises a frame 2, a filter screen 3, a mounting bracket 4, an impeller 5, a buoyancy cylinder 6, etc.

[0035] The frame 2 is vertically through and is fixedly inserted into the through hole 12, and the assembly between the frame 2 and the water cup 1 can be realized by the existing rotary positioning structure, that is, a clamping block is arranged on the frame 2, and a clamping groove capable of rotating and clamping the clamping block is arranged on the peripheral wall of the through hole 12 of the water cup 1, so that the frame 2 and the water cup 1 are detachably connected. Of course, the frame 2 and the through hole 12 can be tightly fitted. Preferably, the dewatering area 11 is partially recessed to form a residue collecting area 13, and the through hole 12 is arranged at the bottom of the residue collecting area 13, so that the water in the dewatering area 11 flows towards the residue basket structure.

[0036] The top opening of the frame 2 is located above the filter plate or flush with the upper surface of the filter plate, and the top opening of the frame 2 serves as a water inlet 20 of the residue basket for water flowing above the dewatering area 11 in the box body.

[0037] The filter screen 3 and the impeller 5 are located in the frame 2. In this embodiment, the filter screen 3 is vertically through and the impeller 5 is located on the flow path of the water entering from the top opening of the frame 2. The impeller 5 rotates around the vertical axis under the impact of the water flow, and the impeller 5 and the filter screen 3 are relatively fixed by the mounting bracket 4.

[0038] The mounting frame 4 comprises a ring body 41 fixedly mounted at the bottom of the filter screen 3 and a mounting shaft 42 vertically extending and located at the central part of the ring body 41, and a water passing gap is formed between the mounting shaft 42 and the ring body 41, and the mounting shaft 42 and the ring body 41 are connected by a connecting rib 43, and the connecting rib 43 is at least two and is arranged along the circumference of the mounting shaft 42.

[0039] The impeller 5 is fixedly mounted on the mounting shaft 42, so that the impeller 5 rotates to drive the filter screen 3 to rotate. Figure 3 、 4 As shown in the figure, the impeller 5 comprises a mounting rod 51 fixedly arranged opposite to the mounting shaft 42 and a blade 52 arranged on the circumferential wall of the mounting rod 51, and the mounting shaft 42 and the mounting rod 51 are coaxially arranged, and in this embodiment, the mounting rod 51 is sleeved on the mounting shaft 42, and the blade 52 is at least two and is arranged along the circumference of the mounting rod 51, and each blade 52 extends spirally along the circumference of the mounting shaft 42, and the upper surface of each blade 52 is a water-facing surface facing the water flow, so that the impeller 5 can rotate under the drive of the water flow. Of course, a motor can also be arranged on the mounting shaft 42 to drive the impeller 5 to rotate.

[0040] The circumferential wall of the frame 2 is provided with a first water passing gap 21 and a second water passing gap 22 located below the first water passing gap 21, and the first water passing gap 21 is located in the draining area 11, and the second water passing gap 22 is located below the through hole 12.

[0041] The filter screen 3 can move up and down relative to the frame 2 to a first position and a second position, and in the state that the drain valve cuts off the inlet of the drain pump, as shown in the figure, the filter screen 3 is in the first position and blocks the first water passing gap 21, and the second water passing gap 22 is open, and in the state that the drain valve communicates the inlet of the drain pump, as shown in the figure, the filter screen 3 is in the second position and blocks the second water passing gap 22, and the first water passing gap 21 is open. Figure 2 Figure 7

[0042] The frame 2 is provided with a buoyancy cylinder 6 capable of floating under the action of water, and the filter screen 3 and the buoyancy cylinder 6 are connected by the ring body 41. The buoyancy cylinder 6 is made of existing light materials and needs to be capable of floating.

[0043] In the state that the drain valve cuts off the inlet of the drain pump and water flows into the draining area 11, the buoyancy cylinder 6 moves up under the action of buoyancy and synchronously moves up with the filter screen 3, and in the state that the drain valve communicates the inlet of the drain pump and the draining area 11 drains water, the filter screen 3 and the buoyancy cylinder 6 move down under the impact of the water flow, so that only a buoyancy cylinder 6 made of light material needs to be simply arranged and matched with the water flow to realize the up and down movement of the filter screen 3, and the structure is simple.

[0044] ​​The frame 2 is provided with a first limiting part 23 for limiting the upper limit position of the filter screen 3 and a second limiting part 24 for limiting the lower limit position of the filter screen 3, in the embodiment, the first limiting part 23 is the top wall of the first water passage 21, the top of the filter screen 3 can abut against the first limiting part 23, and the second limiting part 24 is the bottom wall of the second water passage 22, the bottom wall of the buoyancy cylinder 6 can abut against the second limiting part 24.

[0045] The working process of the impeller assembly of the embodiment is as follows:

[0046] When the drainage valve cuts off the inlet of the drainage pump, water flows into the water draining area 11, the buoyancy cylinder 6 moves upward under the buoyancy of the water flow, drives the filter screen 3 to move upward, until the filter screen 3 is in the first position, at this time, normal cleaning is carried out, and the residue basket can filter residues; when drainage is needed, the drainage valve connects the inlet of the drainage pump, the water flow impacts the filter screen 3, the impeller 5 and other components, the filter screen 3 moves downward, until the filter screen 3 is in the second position, and because of the impact of the water flow, the impeller 5 rotates, drives the filter screen 3 to rotate, and the residues on the filter screen 3 are thrown out; since the whole self-cleaning process is carried out below the through hole 12, the cleaned food residues only stay below the water draining area 11 and are discharged together with the drainage structure, and the residues are not left in the water draining area 11, thereby improving the cleaning effect and improving secondary pollution. Each time of water inlet and drainage is a self-cleaning, thereby better improving the cleaning effect and the self-cleaning effect.

[0047] In the description of the present application, it should be understood that 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" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, since the embodiments disclosed in the present application can be arranged in different directions, so these orientation indicating terms are only as an illustration and should not be regarded as a limitation, such as "upper", "lower" do not necessarily be limited to the direction opposite or consistent with the direction of gravity.

Claims

1. A slag basket structure for a washing machine, comprising: The frame (2) is a vertically penetrating cylindrical shape, and the periphery of the frame (2) is provided with a first water outlet (21) extending along its periphery; The filter screen (3) is located in the frame (2) and can cover the first water outlet (21); Its features are, The filter screen (3) is a cylindrical shape that is inserted into the frame (2) and runs vertically through it. The slag basket structure also includes The impeller (5) is located in the frame (2) and is located on the flow path of water entering from the top opening of the frame (2). The impeller (5) rotates around the vertically extending axis under the impact of the water flow. The impeller (5) is fixed relative to the filter screen (3).

2. The slag basket structure according to claim 1, characterized in that: The slag basket structure also includes a mounting frame (4), which includes an annular body (41) and a mounting shaft (42). The annular body (41) is fixedly installed at the bottom of the filter screen (3), and the mounting shaft (42) extends vertically and is located in the center of the annular body (41). A water passage gap is formed between the mounting shaft (42) and the annular body (41), and the impeller (5) is fixedly installed on the mounting shaft (42).

3. The slag basket structure according to claim 2, characterized in that: The impeller (5) includes a mounting rod (51) fixed relative to the mounting shaft (42) and blades (52) disposed on the peripheral wall of the mounting rod (51). The mounting shaft (42) and the mounting rod (51) are coaxially arranged. The blades (52) have at least two blades spaced apart along the circumference of the mounting rod (51). Each blade (52) extends spirally along the circumference of the mounting shaft (42), and the upper surface of each blade (52) is the water-facing surface facing the water flow.

4. A water cup assembly for a washing machine, characterized in that: The invention includes a water cup (1) and a slag basket structure as described in any one of claims 1 to 3, wherein the water cup (1) has a drain area (11) with an open top, the top of the drain area (11) is covered with a filter plate, the slag basket passes through the filter plate, the top opening of the frame (2) is located above the filter plate, and the first water outlet (21) is located in the drain area (11). The water cup (1) structure also includes a drain pump for drawing water from the draining area (11) and a drain valve for shutting off or connecting the inlet of the drain pump.

5. The water cup assembly according to claim 4, characterized in that: The bottom of the drainage area (11) is provided with a through hole (12), and the frame (2) is inserted into the through hole (12). The periphery of the frame (2) is also provided with a second water outlet (22) located below the first water outlet (21). The second water outlet (22) is located below the through hole (12). The filter screen (3) can move up and down relative to the frame (2) to a first position and a second position. When the drain valve cuts off the inlet of the drain pump, the filter screen (3) is in the first position and blocks the first water outlet (21). When the drain valve connects to the inlet of the drain pump, the filter screen (3) is in the second position and blocks the second water outlet (22).

6. The water cup assembly according to claim 5, characterized in that: The frame (2) is provided with a first limiting part for limiting the upper limit position of the filter (3) and a second limiting part for limiting the lower limit position of the filter (3).

7. The water cup assembly according to claim 6, characterized in that: It also includes a buoyancy cylinder (6) that can float under the action of water, the buoyancy cylinder (6) is located in the frame (2) and is fixedly connected to the filter screen (3).

8. The water cup assembly according to claim 5, characterized in that: The drainage area (11) is partially recessed to form a slag collection area (13), and the through hole (12) is provided on the bottom wall of the slag collection area (13).

9. A cleaning machine, characterized in that, The device includes a housing and a water cup assembly as described in any one of claims 4 to 8. The bottom wall of the housing is the water cup (1), or the bottom wall of the housing has a notch, the water cup (1) is installed at the bottom of the housing, and the top of the water cup (1) faces the notch of the housing.

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