CN108378804B - Dish washer and filtration system thereof - Google Patents
Dish washer and filtration system thereof Download PDFInfo
- Publication number
- CN108378804B CN108378804B CN201810301086.XA CN201810301086A CN108378804B CN 108378804 B CN108378804 B CN 108378804B CN 201810301086 A CN201810301086 A CN 201810301086A CN 108378804 B CN108378804 B CN 108378804B
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- filter element
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- dishwasher
- motor
- water
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- 238000001914 filtration Methods 0.000 title claims abstract description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 129
- 238000005406 washing Methods 0.000 claims abstract description 65
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 15
- 230000005540 biological transmission Effects 0.000 description 27
- 238000007789 sealing Methods 0.000 description 21
- 239000007921 spray Substances 0.000 description 19
- 239000010794 food waste Substances 0.000 description 12
- 238000009434 installation Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 238000004851 dishwashing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009957 hemming Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4202—Water filter means or strainers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
- A47L15/4217—Fittings for water supply, e.g. valves or plumbing means to connect to cold or warm water lines, aquastops
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
- A47L15/4219—Water recirculation
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Washing And Drying Of Tableware (AREA)
Abstract
The invention discloses a dish washer and a filtering system thereof. The dishwasher includes a water collecting cup, and the filter system according to an embodiment of the present invention includes: a cylindrical filter member configured to be cylindrical and rotatably provided within the water collection cup; the motor is used for driving the cylindrical surface filtering component to rotate; an ultrasonic generator disposed adjacent to the cylindrical filter element. In this filtration system, motor drive cylinder filtering component rotates to can make supersonic generator carry out 360 degrees washings to the cylinder filtering component, the cleaning effect of cylinder filtering component is good, and then can improve the washing effect of dish washer.
Description
Technical Field
The invention relates to the field of household appliances, in particular to a filtering system of a dish washer and the dish washer with the filtering system.
Background
The washing process of a dishwasher is generally divided into three phases: the working principles of the dishwasher are that washing filtered water is pumped by a washing pump and then is sprayed by the spray arm in a rotating way to clean tableware, wherein the filtering system plays a vital role in the washing effect and user experience of the dishwasher.
In the related art, washing water of the dish washer is pumped into the spray arm through the water pump to be sprayed, the setting position of the water pump is fixed, so that the water pump pumps water from a fixed direction of the filtering system for a long time, residues such as food can be accumulated on the same position of the filtering system, the residues are accumulated more and more, the water pumping quantity of the water pump can be directly influenced, and the water spraying pressure of the spray arm is further influenced, so that the cleaning effect of the dish washer is reduced.
In summary, the dishwasher filter system is not only one of the cores affecting the washing performance, but also has a great influence on the user product experience.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a filtering system of a dish washer, wherein in the filtering system, a motor drives a cylindrical surface filtering component to rotate, so that the cylindrical surface filtering component can be cleaned by 360 degrees by an ultrasonic generator, the cleaning effect of the cylindrical surface filtering component is good, and the washing effect of the dish washer can be improved.
The invention also provides a dish washer with the filtering system.
The dishwasher includes a water collecting cup, and the filter system according to an embodiment of the present invention includes: a cylindrical filter member configured to be cylindrical and rotatably provided within the water collection cup; the motor is used for driving the cylindrical surface filtering component to rotate; an ultrasonic generator disposed adjacent to the cylindrical filter element.
According to the filtering system of the dish washing machine, the cylindrical filtering component is driven to rotate by the motor, so that the cylindrical filtering component can be kept to rotate all the time by the motor in the whole washing process of the dish washing machine, the problem of accumulation of food residues caused by the fact that the cylindrical filtering component is fixed in the washing process of the dish washing machine in the prior art can be solved, the effective utilization area of the cylindrical filtering component can be increased, and therefore the water quantity is not influenced when the washing pump pumps washing water, and the washing effect of the dish washing machine can be guaranteed. And after the dish washer stops the operation, the user dismantles the cylindrical filter part, just can clean up the cylindrical filter part through simple washing, lightens user's clearance degree of difficulty.
In addition, through setting up ultrasonic generator and can utilize this ultrasonic generator to wash the cylindrical filter element, like this when ultrasonic generator during operation, the uninterrupted rotation of cylindrical filter element to can utilize ultrasonic generator to wash the cylindrical filter element in 360 degrees scope, the cleaning performance is good.
According to one embodiment of the invention, the water collection cup is provided with a water outlet, and the ultrasonic generator is arranged at the water outlet and towards the cylindrical filtering component.
According to one embodiment of the invention, a first flange part is arranged at the water outlet, a second flange part is arranged on the ultrasonic generator, and the first flange part and the second flange part are connected with each other.
According to one embodiment of the invention, the filtering system of the dishwasher further comprises a transmission shaft which is arranged through the bottom of the water collecting cup, and two ends of the transmission shaft are respectively connected with the motor and the cylindrical filtering part.
According to one embodiment of the invention, the cylindrical filtering component is provided with a sleeve with an open bottom, and the sleeve is sleeved on the transmission shaft.
According to one embodiment of the invention, a support pad is provided between the motor and the drive shaft.
According to one embodiment of the invention, the motor comprises a motor body and a motor shaft extending upwards from the motor body, an annular flange is arranged at the bottom of the transmission shaft, and the support pad is arranged around the motor shaft and is positioned between the motor body and the annular flange.
According to one embodiment of the invention, the filter system of the dishwasher further comprises a planar filter element arranged above the water collection cup, the cylindrical filter screen being out of contact with the planar filter element.
According to one embodiment of the invention, the cylindrical filter element is open at the top, and the filter system further comprises a cylindrical coarse filter element disposed on the planar filter element and received within the cylindrical filter element after passing downwardly through the planar filter element.
According to one embodiment of the invention, a third thread is provided between the inner circumferential wall of the cylindrical filter element and the outer circumferential wall of the coarse filter element.
According to one embodiment of the invention, a second thread is provided between the bottom peripheral wall of the cylindrical filter element and the inner peripheral wall of the water collection cup.
A dishwasher according to an embodiment of a second aspect of the invention is characterized by comprising a filter system of a dishwasher according to the invention as described above.
A dishwasher according to an embodiment of a second aspect of the invention comprises a filter system of a dishwasher according to an embodiment of the first aspect of the invention. Through setting up foretell filtration, can make the cleaning performance of dish washer obtain great promotion to can reduce user's clearance pressure, promote user's impression.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a partial structure of a dishwasher according to an embodiment of the present invention;
FIG. 2 is an exploded view of the dishwasher shown in FIG. 1;
fig. 3 is a cross-sectional view of a dishwasher according to an embodiment of the present invention, from a front view perspective;
FIG. 4 is a cross-sectional view from a top view of a filtration system of a dishwasher in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of a cylindrical filter element according to one embodiment of the invention;
FIG. 6 is a schematic view of a cylindrical filter element according to another embodiment of the present invention;
FIG. 7 is a schematic view of the structure of a coarse filter element according to one embodiment of the present invention;
FIG. 8 is a schematic view of a coarse filter element according to another embodiment of the present invention;
FIG. 9 is a schematic view of a coarse filter element according to yet another embodiment of the present invention;
fig. 10 is a schematic view of a connection structure of a water collecting cup and an ultrasonic generator according to an embodiment of the present invention.
Reference numerals:
dishwasher 1000;
A filtration system 100;
a planar filter element 1; a support platform 11;
a cylindrical filter member 2; an upper ring portion 21; a lower ring portion 22; vertical ribs 23; a sleeve 24; radial ribs 26; a second thread 27;
A coarse filtration member 5; supporting the ring rib 51; a third thread 52; a raised structure 53; legs 54; a card slot 55;
a motor 110; a motor main body 111; a motor shaft 112;
A drive shaft 120; an annular flange 121; an annular groove 1211; a shaft main body 122; axle seat 123;
A seal ring 130;
a support pad 140;
An ultrasonic generator 8; a second flange portion 81; a second connection hole 811;
An annular gasket 9; a seal ring 10;
An inner container 200; a cleaning chamber 202;
A water collection cup 300; a washing water outlet 301; an annular stop surface 302; a water outlet 305; a water outlet pipe 306; a first flange portion 307; a first connection hole 3071; a receiving groove 308; annular rib 309.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, in an embodiment of the present invention, a dishwasher 1000 includes a liner 200, a sump cup 300, and a wash pump (not shown).
The inner container 200 defines a cleaning chamber 202 therein, a rack (not shown) for placing articles to be cleaned such as tableware can be provided in the cleaning chamber 202, and a spray arm (not shown) for spraying washing water toward the articles to be cleaned can be provided in the cleaning chamber 202. The water collecting cup 300 is arranged at the bottom of the inner container 200, the water collecting cup 300 and the inner container 200 are installed in a sealing way, and as shown in fig. 2, a sealing ring 10 can be arranged between the water collecting cup 300 and the inner container 200. The spray arm performs rotary spraying on the articles to be cleaned, so that tableware is cleaned. After washing, the washing water is collected at the sump cup 300 and filtered by the filtering system 100.
Optionally, an upper spray arm, a middle spray arm and a lower spray arm (not shown) may be provided in the inner container 200, wherein the washing pump may guide water in the water collecting cup 300 into the lower spray arm, and when water spraying from the middle spray arm and the lower spray arm is required, water flowing out of the washing pump may be guided to the middle spray arm and the lower spray arm through the water pipe, thereby satisfying different washing demands of the dishwasher 1000. As shown in fig. 1, the water pipe is provided on the inner wall of the liner 200 and extends in the up-down direction.
As shown in fig. 1 to 4, the water collecting cup 300 is provided with a washing water outlet 301, and the washing water outlet 301 can be connected with a washing pump, so that the washing pump can pump the washing water collected in the water collecting cup 300 into the spray arm to circularly clean tableware.
The washing pump is used for pumping water from the water collecting cup 300, when the washing pump pumps water in the water collecting cup 300, the washing water needs to be filtered firstly, and food residues are prevented from entering the washing pump, so that the service life of the washing pump can be prolonged.
The dishwasher 1000 further includes a filtering system 100, wherein the filtering system 100 is used for filtering the washing water after washing the tableware, and the filtered washing water is pumped into the spray arm through the washing pump to spray and wash the tableware, so that the washing water is circulated.
A filter system 100 of a dishwasher 1000 according to an embodiment of the first aspect of the present invention will be described with reference to fig. 1 to 9, the filter system 100 comprising a cylindrical filter element 2, a motor 110 and an ultrasonic generator 8. The cylindrical filter element 2 is configured to be cylindrical and rotatably provided in the water collecting cup 300, and the motor 110 is used to drive the cylindrical filter element 2 to rotate, and the ultrasonic generator 8 is provided adjacent to the cylindrical filter element 2.
Alternatively, the cylindrical filter element 2 constitutes a hollow cylindrical surface, i.e. a cylindrical shape, the cylindrical filter element 2 being rotatable within the water collection cup 300. The washing water sprayed and washed in the inner container 200 can be filtered by the cylindrical filtering component 2 and then enter the washing pump, and the washing pump pumps the washing water into the spray arm to spray water, so that the washing water is circulated.
Preferably, the rotation axis of the cylindrical filtering part 2 coincides with the central axis of the water collecting cup 300, so that the cylindrical filtering part 2 can rotate smoothly and stably in the water collecting cup 300 without interfering with the water collecting cup 300.
According to the filtering system 100 of the dish washer 1000 of the embodiment of the invention, the cylindrical filtering part 2 is driven by the motor 110 to rotate, so that the cylindrical filtering part 2 can be kept to rotate all the time through the driving of the motor 110 in the whole washing process of the dish washer 1000, the problem of food residue accumulation caused by the fact that the cylindrical filtering part is fixed in the washing process of the dish washer in the prior art can be solved, the effective utilization area of the cylindrical filtering part 2 can be increased, and the water quantity is not influenced when the washing pump pumps the washing water, so that the washing effect of the dish washer 1000 can be ensured. And after the dish washer 1000 stops running, the user dismantles cylindrical filter part 2, just can clean up cylindrical filter part 2 through simple washing, alleviates user's clearance degree of difficulty.
In addition, through setting up ultrasonic generator 8 can utilize this ultrasonic generator 8 to wash cylindrical filter element 2, like this at ultrasonic generator 8 during operation, the uninterrupted rotation of cylindrical filter element 2 to can utilize ultrasonic generator 8 to wash cylindrical filter element 2 in 360 degrees within range, the cleaning performance is good.
As shown in fig. 2 to 4, the water collection cup 300 is provided with a water outlet 305, and the ultrasonic generator 8 is provided at the water outlet 305 and toward the cylindrical filter element 2. In this way, the ultrasonic generator 8 can be arranged more adjacent to the cylindrical filtering component 2, and the cleaning effect is ensured.
As shown in fig. 10, a first flange portion 307 is provided at the water outlet 305, and a second flange portion 81 is provided on the ultrasonic generator 8, the first flange portion 307 and the second flange portion 81 being connected to each other. Thus, the ultrasonic generator 8 can be stably arranged outside the water collecting cup 300, so that the occupation of the space inside the water collecting cup 300 is avoided, the volume of the water collecting cup 300 can be reduced, and the layout flexibility of parts is improved.
As shown in fig. 10, a water outlet pipe 306 extending to the outside of the water collecting cup 300 is arranged at the water outlet 305, the first flange 307 is configured as a free end surface of the water outlet pipe 306, and a plurality of first connecting holes 3071 are arranged on the free end surface of the water outlet pipe 306; the second flange portion 81 is configured as an annular gasket 9 provided around the outer peripheral wall of the ultrasonic generator 8, the annular gasket 9 is provided with a plurality of second connection holes 811, the plurality of first connection holes 3071 and the plurality of second connection holes 811 are in one-to-one correspondence, and the corresponding second connection holes 811 and first connection holes 3071 are sequentially penetrated by fasteners, thereby completing the installation of the ultrasonic generator 8.
Preferably, a sealing gasket is provided between the first flange portion 307 and the second flange portion 81, so that water leakage can be prevented.
In some embodiments of the present invention, the filter system 100 of the dishwasher 1000 further includes a driving shaft 120, the driving shaft 120 is disposed through the bottom of the water collecting cup 300, and both ends of the driving shaft 120 are connected to the motor 110 and the cylindrical filter part 2, respectively. As shown in fig. 2 and 3, the transmission shaft 120 may include a shaft main body 122 and a shaft seat 123, the shaft main body 122 is disposed on the shaft seat 123, the shaft main body 122 passes through the bottom of the water collecting cup 300 and is connected with the cylindrical filtering component 2, the shaft main body 122 is connected with the motor shaft 112 of the motor 110, the transmission shaft 120 plays a role in power transmission, and the transmission shaft 120 may more conveniently extend into the water collecting cup 300 and be connected with the cylindrical filtering component 2, thereby the motor 110 may be disposed on the outer side of the water collecting cup 300, and thus, the potential hazards such as electric leakage caused by the contact of the motor 110 with water may be avoided. And the motor shaft 112 of the motor 110 is effectively extended by the transmission shaft 120, so that the rotary power is conveniently transmitted to the cylindrical filtering part 2, and the cylindrical filtering part 2 is further driven to rotate.
Preferably, the cross-section of the shaft body 122 is preferably non-circular, that is to say the cross-section of the shaft body 122 is preferably non-circular, for example in the example shown in fig. 2, the cross-section of the shaft body 122 is "cross-shaped", and correspondingly, the cylindrical filter element 2 may be provided with a groove of cross-section "cross-shaped" into which the shaft body 122 protrudes to complete the connection of the drive shaft 120 with the cylindrical filter element 2. And in the rotation process, the transmission shaft 120 is connected with the cylindrical filtering component 2 more stably, and the relative rotation problem of the transmission shaft and the cylindrical filtering component is avoided.
Further, as shown in fig. 6, the cylindrical filter element 2 is provided with a sleeve 24 with an open bottom, and the sleeve 24 is sleeved on the transmission shaft 120. By providing the cylindrical filter element 2 with a sleeve 24, the filter element can be conveniently connected to the drive shaft 120. Wherein the sleeve 24 defines a recess therein, which may have the same shape as the drive shaft 120, preferably the cross-section of the recess in the sleeve 24 and the cross-section of the drive shaft 120 are non-circular, whereby the connection of the drive shaft 120 to the cylindrical filter element 2 is stabilized.
In the embodiment of the present invention, as shown in fig. 2 and 3, a sealing ring 130 is provided between the transmission shaft 120 and the water collecting cup 300, and water can be prevented from flowing out of a gap between the transmission shaft 120 and the water collecting cup 300 by providing the sealing ring 130, thereby ensuring electrical safety.
Alternatively, in one example of the present invention, as shown in fig. 2 and 3, the bottom of the transmission shaft 120 is provided with an annular flange 121, and the sealing ring 130 is disposed between the bottom of the water collecting cup 300 and the annular flange 121. Wherein optionally, annular flange 121 is provided at the bottom of transmission shaft 120, annular flange 121 is provided around the circumference of transmission shaft 120, annular flange 121 is located below the bottom of water collection cup 300 and has a certain distance between the bottom wall of water collection cup 300, sealing ring 130 is sleeved on the outer peripheral wall of axle seat 123 and is located between annular flange 121 and the bottom wall of water collection cup 300, thereby sealing the gap between transmission shaft 120 and the bottom wall of water collection cup 300 by sealing ring 130, preventing washing water from flowing out from the gap and endangering electrical safety.
As shown in fig. 3, alternatively, in another example of the present invention, the bottom of the water collecting cup 300 is provided with an upwardly concave receiving groove 308, and the sealing ring 130 is sleeved on the outer wall of the transmission shaft 120 and received in the receiving groove 308. Therefore, the installation position of the sealing ring 130 is hidden, and the false disassembly caused by the false operation of a user can be prevented, so that the tightness of the filtering system 100 is affected.
As shown in fig. 3, the outer diameter of the sealing ring 130 may alternatively be equal to the inner diameter of the receiving groove 308, for example, the outer diameter of the sealing ring 130 may be slightly larger than the inner diameter of the receiving groove 308, so that the sealing effect of the sealing ring 130 may be better.
As shown in fig. 3, in another example of the present invention, an annular flange 121 is provided at the bottom of the transmission shaft 120, an upwardly concave receiving groove 308 is provided at the bottom of the water collecting cup 300, a sealing ring 130 is sleeved on the outer wall of the transmission shaft 120 and is received in the receiving groove 308, and the annular flange 121 is located under the sealing ring 130. Thus, not only the mounting of the seal ring 130 can be protected by the accommodation groove 308, but also the mounting position of the seal ring 130 can be further protected by the annular flange 121. Alternatively, the annular flange 121 is provided at the bottom of the water collecting cup 300 and covers the bottom opening of the receiving groove 308, whereby the sealing ring 130 is defined in a space defined by the bottom wall of the water collecting cup 300, the inner peripheral wall of the receiving groove 308, the upper wall surface of the annular flange 121 and the outer peripheral wall of the transmission shaft 120, and the sealing ring 130 is provided in a position hidden from easy disassembly. And the gap between the transmission shaft 120 and the bottom wall of the water collecting cup 300 is sealed through multiple structures, so that the sealing effect is good.
In the preferred example of the above example, the annular flange 121 of the bottom of the transmission shaft 120 may be provided with a downwardly concave annular groove 1211, and the water collection cup 300 is provided with an annular rib 309, the annular rib 309 being received in the annular groove 1211. As shown in fig. 3, that is, the annular flange 121 and the water collecting cup 300 may be further mounted by the structure of the annular groove 1211 and the annular rib 309, whereby the sealing effect may be further improved. Optionally, an annular rib 309 is provided within the receiving groove 308 and extends downwardly.
In some embodiments of the present invention, a support pad 140 is provided between the motor 110 and the drive shaft 120. By providing the support pad 140, the transmission shaft 120 can be supported by the support pad 140, and the installation stability of the transmission shaft 120 can be improved.
Specifically, the motor 110 includes a motor body 111 and a motor shaft 112 extending upward from the body, the bottom of the transmission shaft 120 is provided with an annular flange 121, and the support pad 140 is disposed around the motor shaft 112 between the motor body 111 and the annular flange 121. The motor body 111 applies upward pressure to the support pad 140, and the support pad 140 further applies upward pressure to the driving shaft 120, so that the installation of the motor shaft 112 on the water collecting cup 300 is more stable and is not easy to fall off.
Wherein optionally, the support pad 140 and the motor 110 may be fastened to the sump cup 300 by fasteners so that the filter system 100 is formed as an integral assembly, and the filter system 100 may be individually assembled and commissioned when the dishwasher 1000 is assembled, whereby the assembly efficiency of the dishwasher 1000 may be improved.
In an embodiment of the present invention, the filter system 100 of the dishwasher 1000 further comprises a planar filter member 1, the planar filter member 1 being disposed above the water collection cup 300, the cylindrical filter mesh being out of contact with the planar filter member 1.
Specifically, the "planar filter element 1" as referred to herein means that the filter screen is formed in a substantially planar structure, and the horizontal dimension of the filter screen is larger than the dimension in the vertical direction thereof, but the filter screen is not limited to a standard planar shape, and may have a deformed structure such as bending, hemming, or the like, for example. The washing water sprayed and washed in the inner container 200 may be filtered by the plane filter member 1 and the cylindrical filter member 2 in this order, and then introduced into the washing pump. The cylindrical filter element 2 has a smaller pore size than the planar filter element 1,
As shown in fig. 3 and 6, the cylindrical filter element 2 has an open top, and the filter system 100 further includes a cylindrical coarse filter element 5, and the coarse filter element 5 is disposed on the planar filter element 1 and is accommodated in the cylindrical filter element 2 after passing down through the planar filter element 1.
The coarse filter element 5 can play a certain role in shielding the gap between the plane filter element 1 and the cylindrical filter element 2, so that residues are prevented from entering the water collection cup 300 through the gap between the plane filter element 1 and the cylindrical filter element 2 and then directly flowing to the washing pump without being filtered by the cylindrical filter element 2. This can improve the filtering effect of the filtering system 100.
In an embodiment of the invention, as shown in fig. 7-9, the coarse filter element 5 may be formed by a plurality of annular ribs 309, longitudinal ribs, interlaced, whereby the coarse filter element 5 is of simple construction.
According to the filter system 100 of the embodiment of the present invention, by making the cylindrical filter element 2 and the planar filter element 1 not in contact with each other, it is possible to prevent interference between the cylindrical filter element 2 and the planar filter element 1 during rotation, which prevents the cylindrical filter element 2 from rotating. The provision of the coarse filter element 5 can block the gap and prevent food waste from entering the washing pump through the gap. Of course, the coarse filter may also filter large pieces of food waste, such as bones.
It should be explained here that "coarse filter screen" means that the pore size of the filter screen is larger than the pore size of the cylindrical filter element 2 and the pore size of the plane filter element 1, and alternatively, the pore sizes of the coarse filter screen, the plane filter element 1, and the cylindrical filter element 2 are sequentially increased.
As shown in fig. 3 and 7-9, the planar filter component 1 may be provided with a support platform 11, and the coarse filter component 5 is provided with a support ring rib 51, where the support ring rib 51 is supported on the support platform 11. Whereby after the cylindrical filter element 2 is placed in the water collection cup 300, the flat filter element 1 is placed at the bottom of the inner container 200, and the coarse filter mesh can be placed on the support platform 11 of the flat filter element 1.
In an alternative embodiment of the invention, at least a part of the coarse filter element 5 protrudes inside the cylindrical filter element 2, optionally the middle part of the planar filter element 1 is provided with a through hole, and the lower part of the coarse filter element 5 is accommodated inside the cylindrical filter element 2 after passing through the through hole. Optionally, an annular support ring rib 51 is provided on the peripheral wall of the coarse filter element 5, which support ring rib 51 can be supported on the support platform 11. The coarse filter element 5 is thus simple in construction and easy to install.
In some examples of the invention, optionally, a first magnet is provided on the coarse filter element 5, a second magnet is provided within the water collection cup 300, the second magnet is located below the first magnet, and the first magnet and the second magnet are attracted to each other. Therefore, the coarse filter element 5 is detachably arranged in the water collecting cup 300, when the coarse filter element 5 is arranged in the water collecting cup 300, attractive force is generated between the second magnet and the first magnet, and the attractive force can fix the coarse filter element 5 so as to ensure the stability of the coarse filter element 5.
In a specific example of the present invention, as shown in fig. 7 and 8, the coarse filter element 5 is provided with a protrusion structure 53 inside, and the first magnet may be sleeved on the protrusion structure 53.
As shown in fig. 9, in another specific example of the present invention, the first magnet may be configured in a ring shape, the lower portion of the coarse filter member 5 is provided with a plurality of spaced apart legs 54, and the ends of the legs 54 are provided with a catching groove 55 for catching the first magnet, and the circumference of the first magnet is caught in the catching groove 55 so that the first magnet is fixed in the coarse filter member 5.
Set up first magnet on coarse filtration part 5, set up the bottom at water collecting cup 300 with the fixed setting of second magnet, make coarse filtration part 5 can set up in water collecting cup 300 steadily, when installing coarse filtration part 5, the appeal of first magnet and second magnet can be better with coarse filtration part 5 location, coarse filtration part 5 can be fixed cylindrical filtration part 2 simultaneously, the dismantlement of coarse filtration part 5 is convenient to fix a position stably, the washing and the change of coarse filtration part 5 and cylindrical filtration part 2 of being convenient for have improved dish washer 1000's practicality.
Alternatively, as shown in fig. 5 and 6, the cylindrical filter part 2 may include: the upper ring portion 21, the lower ring portion 22 and the plurality of vertical ribs 23, the upper ring portion 21 is located above the lower ring portion 22, and the upper ring portion 21 and the lower ring portion 22 are arranged at intervals in the up-down direction. Two ends of each vertical rib 23 are connected to the upper ring portion 21 and the lower ring portion 22, respectively, and a plurality of vertical ribs 23 are arranged at intervals in the circumferential direction.
The upper ring part 21 can keep the structural stability of the cylindrical filtering component 2, so that the center of the upper ring part 21 can be kept at the rotation center in the rotation process of the cylindrical filtering component 2, and the phenomenon that the cylindrical filtering component 2 tilts due to the too high flow rate of the washing liquid to influence the rotation of the cylindrical filtering component 2 is avoided. The upper ring part 21 is connected with the lower ring part 22 through a plurality of spaced vertical ribs 23, so that the connection between the upper ring part 21 and the lower ring part 22 is stable, and meanwhile, a plurality of spaced fins 25 are arranged on each vertical rib 23, so that the contact area between the cylindrical filtering component 2 and water flow can be increased, and the cylindrical filtering component 2 can be driven to rotate more easily in the flowing process of washing water.
Alternatively, as shown in fig. 5 and 6, the sleeve 24 is connected to at least one of the lower ring portion 22, the upper ring portion 21, and the vertical ribs 23 by a plurality of radial connection ribs 26. That is, the sleeve 24 may be connected to the lower ring portion 22 through the radial connection rib 26, or the sleeve 24 may be connected to the upper ring portion 21 through the radial connection rib 26, or the sleeve 24 may be connected to the vertical rib 23 through the radial connection rib 26, and furthermore, the sleeve 24 may be connected to the lower ring portion 22 and the upper ring portion 21 through the radial connection rib 26 at the same time, the sleeve 24 may be connected to the lower ring portion 22 and the vertical rib 23 through the radial connection rib 26 at the same time, and the sleeve 24 may be connected to the upper ring portion 21 and the vertical rib 23 at the same time through the radial connection rib 26 at the same time. Thereby enabling the connection mode of the sleeve 24 to be diversified and facilitating the installation.
Alternatively, as shown in fig. 5, in one specific example of the present invention, each radial connection rib 26 is formed in a straight line shape, and a plurality of radial connection ribs 26 are disposed at intervals around the circumference of the sleeve 24, whereby the structure of the sleeve 24 can be simplified and the manufacturing can be made easier.
Alternatively, as shown in fig. 6, in another specific example of the present invention, each radial connection rib 26 is formed in an arc shape, and a plurality of radial connection ribs 26 are disposed at intervals around the circumference of the sleeve 24. For example, radial ribs 26 may connect lower ring portion 22 to sleeve 24, maintaining sleeve 24 on the axis of cylindrical filter element 2; the radial connecting ribs 26 are configured into an arc shape, so that the resistance of the cylindrical filter element 2 in the rotation process can be reduced, and the cylindrical filter element 2 can be kept stable.
Further, as shown in fig. 3 and 7 to 9, a third screw thread 52 is provided between the inner peripheral wall of the cylindrical filter element 2 and the outer peripheral wall of the coarse filter element 5. By providing this third screw thread 52, it is thereby possible to effectively prevent food waste from entering the fitting gap of the cylindrical filter element 2 and the coarse filter element 5. Wherein the third screw thread 52 may be provided on the inner circumferential wall of the cylindrical filter element 2, or the third screw thread 52 may be provided on the outer circumferential wall of the coarse filter element 5, or the third screw thread 52 may be provided on both the inner circumferential wall of the cylindrical filter element 2 and the outer circumferential wall of the coarse filter element 5, as long as the rotation of the cylindrical filter element 2 within the water collecting cup 300 is not affected.
In a specific example of the present invention, the cylindrical filter element 2 is provided with the upper ring portion 21 as shown in fig. 3, and the coarse filter element 5 is located inside the upper ring portion 21, wherein the third screw thread 52 may be provided between the upper ring portion 21 and the coarse filter element 5, in other words, the third screw thread 52 may be provided on the upper ring portion 21, or the third screw thread 52 may be provided on the coarse filter element 5, as long as the third screw thread 52 is located between the upper ring portion 21 and the coarse filter element 5. Whereby food waste in the cylindrical filter element 2 is effectively prevented from entering the washing pump through the gap between the cylindrical filter element 2 and the coarse filter element 5 when the cylindrical filter element 2 is rotated. Wherein the third thread 52 may be a single thread.
Preferably, as shown in fig. 3, a second screw thread 27 is provided between the bottom outer circumferential wall of the cylindrical filter element 2 and the inner circumferential wall of the water collecting cup 300. Thus, by providing the second screw 27, food waste can be effectively prevented from entering the fitting gap of the cylindrical filter element 2 and the water collecting cup 300. The second screw thread 27 may be provided on the bottom outer circumferential wall of the cylindrical filter element 2, or the second screw thread 27 may be provided on the inner circumferential wall of the water collecting cup 300, or the second screw thread 27 may be provided on both the bottom outer circumferential wall of the cylindrical filter element 2 and the inner circumferential wall of the water collecting cup 300, as long as the rotation of the cylindrical filter element 2 in the water collecting cup 300 is not affected.
Specifically, as shown in fig. 3, an annular limiting surface 302 may be provided in the water collecting cup 300, and the lower portion of the cylindrical filter element 2 is located inside the limiting surface, wherein the annular limiting surface 302 is matched with the lower portion of the cylindrical filter element 2 through the second screw thread 27. That is, the second screw thread 27 may be provided on the annular stopper surface 302, and the second screw thread 27 may also be provided outside the cylindrical filter element 2. Thus, when the cylindrical filter member 2 rotates, food waste in the cylindrical filter member 2 can be effectively prevented from entering the washing pump through the gap between the cylindrical filter member 2 and the water collection cup 300. Wherein the second thread 27 may be a single thread. The annular limiting surface 302 may be an inner wall surface of an annular rib provided at the bottom of the water collecting cup 300. Wherein in the embodiment of the invention the second screw thread 27 is provided on the outer wall of the lower ring portion 22 of the cylindrical filter element 2.
In summary, the filtering system 100 of the dishwasher 1000 according to an embodiment of the present invention may have the following advantages:
(1) By rotating the cylindrical filter element 2, the effective utilization area of the cylindrical filter element 2 can be increased;
(2) The cylindrical filtering part 2 is driven to rotate by the motor 110, so that the cylindrical filtering part 2 can be driven to rotate during the whole washing process of the dishwasher 1000, and the structure is simple;
(3) The cylindrical filtering part 2 is washed, so that food residues can be prevented from blocking meshes of the cylindrical filtering part 2, the water supply amount of a washing pump can be improved, the nozzle pressure of a spray arm is ensured, and the washing effect is improved;
(4) By cleaning the cylindrical filter member 2 by using the ultrasonic generator 8, it is possible to perform a cleaning work during the operation of the dishwasher 1000, thereby reducing a user's manual cleaning pressure;
(5) The coarse filter element 5 is arranged through interaction with the magnet at the bottom of the water collecting cup 300, so that the difficulty in taking and assembling is reduced, and more importantly, a connecting space is provided for the rotary structure in the middle of the cylindrical filter element 2;
(6) By providing a gap between the cylindrical filter element 2 and the planar filter element 1, interference between the cylindrical filter element 2 and the planar filter element 1 during rotation can be avoided, thereby preventing rotation of the cylindrical filter element 2;
(7) By arranging the thread structure between the periphery of the coarse filter screen and the inner side of the cylindrical filter component 2, food residues can be effectively prevented from entering the washing pump through the gap when the cylindrical filter component 2 rotates;
(8) By providing a screw structure between the cylindrical filtering bottom and the connection part of the water collecting cup 300, the internal food residues can be prevented from entering the washing pump when the cylindrical filtering part 2 rotates;
The dishwasher 1000 according to the embodiment of the second aspect of the present invention comprises a filter system 100 of the dishwasher 1000 according to the embodiment of the first aspect of the present invention. By providing the above-described filter system 100, the cleaning effect of the dishwasher 1000 can be greatly improved, and the cleaning pressure of the user can be reduced, thereby improving the user's feeling.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (11)
1. A filtration system of a dishwasher, the dishwasher comprising a sump cup, the filtration system comprising:
A cylindrical filter member configured to be cylindrical and rotatably provided within the water collection cup;
the motor is used for driving the cylindrical surface filtering component to rotate;
An ultrasonic generator disposed adjacent to the cylindrical filter element;
The water collecting cup is provided with a water outlet, and the ultrasonic generator is arranged at the water outlet and is arranged towards the cylindrical surface filtering component;
the water collecting cup is provided with a washing water outlet which is connected with a washing pump.
2. The filter system of a dishwasher according to claim 1, wherein a first flange portion is provided at the water outlet, and a second flange portion is provided on the ultrasonic generator, the first flange portion and the second flange portion being connected to each other.
3. The filter system of a dishwasher of claim 1, further comprising a drive shaft disposed through a bottom of the water collection cup, both ends of the drive shaft being connected to the motor and the cylindrical filter element, respectively.
4. A filter system of a dishwasher according to claim 3, wherein the cylindrical filter element is provided with an open-bottomed sleeve which is fitted over the drive shaft.
5. A filter system of a dishwasher according to claim 3, characterized in that a support pad is provided between the motor and the drive shaft.
6. The dishwasher filter system of claim 5, wherein the motor comprises a motor body and a motor shaft extending upwardly from the body, the bottom of the drive shaft being provided with an annular flange, the support pad being disposed about the motor shaft and between the motor body and the annular flange.
7. The dishwasher filter system of claim 1, further comprising a planar filter member disposed above the sump cup, the cylindrical filter screen being out of contact with the planar filter member.
8. The filter system of claim 7, wherein the cylindrical filter element has an open top, and further comprising a cylindrical coarse filter element disposed in the planar filter element and received within the cylindrical filter element after passing downwardly through the planar filter element.
9. The filter system of a dishwasher of claim 8, wherein a third thread is provided between an inner peripheral wall of the cylindrical filter element and an outer peripheral wall of the coarse filter element.
10. The filter system of a dishwasher according to claim 1, wherein a second thread is provided between the bottom peripheral wall of the cylindrical filter element and the inner peripheral wall of the water collection cup.
11. A dishwasher, characterized by comprising a filter system of a dishwasher according to any one of claims 1-10.
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CN109674425A (en) * | 2019-02-15 | 2019-04-26 | 佛山市顺德区美的洗涤电器制造有限公司 | Filtration system and household electrical appliance |
CN109793477A (en) * | 2019-03-06 | 2019-05-24 | 佛山市顺德区美的洗涤电器制造有限公司 | Filtration system and household electrical appliance with it |
CN109805868A (en) * | 2019-03-06 | 2019-05-28 | 佛山市顺德区美的洗涤电器制造有限公司 | Filtration system and household electrical appliance |
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CN102821667A (en) * | 2010-03-31 | 2012-12-12 | Lg电子株式会社 | Dishwasher and control method thereof |
CN104688157A (en) * | 2015-03-11 | 2015-06-10 | 佛山市顺德区美的洗涤电器制造有限公司 | Self-cleaning water flow system of dish-washing machine and dish-washing machine |
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