CN113854926A - Filtering component and dish washing machine - Google Patents

Abstract

The invention relates to the technical field of dish washing machines and discloses a filtering assembly and a dish washing machine, wherein the filtering assembly comprises a water cup (1), a cylindrical filtering part (2) and a washing assembly, a filtering bracket (3) is installed in the water cup (1), the cylindrical filtering part (2) is rotatably installed in the filtering bracket (3), and the washing assembly comprises at least one washing element (41) for washing the cylindrical filtering part (2). The filter assembly provided by the invention can reduce the frequency of disassembly and cleaning for a user, improve the user experience and improve the cleaning effect.

Description

Filtering component and dish washing machine

Technical Field

The invention relates to the technical field of dish washing machines, in particular to a filter assembly. Furthermore, a dishwasher is also provided.

Background

With the improvement of living standard, people have higher requirements on living quality, and the dish washing machine gradually enters our lives.

Dishwashers typically have a filtration system in which a cylindrical filter is mounted in the water cup for filtering these fine contaminants from re-entering the washing system and re-contaminating the dishware. When the cylindrical filter filters the fine pollutants, the pollutants are easily adhered to the cylindrical filter, so that the cylindrical filter is blocked, the suction of a washing pump is difficult, the washing effect is influenced, even the washing pump cannot be normally washed, the manual cleaning is required to be periodically detached, and the user experience is poor.

In view of the above, there is a need to design a new filter assembly that overcomes or alleviates the above-mentioned problems.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a filter assembly, which can reduce the frequency of disassembly and cleaning for a user, improve the user experience and improve the cleaning effect.

In order to solve the above technical problems, a first aspect of the present invention provides a filter assembly including a water cup having a filter holder mounted therein, a cylindrical filter member rotatably mounted in the filter holder, and a flushing assembly including at least one flushing element for flushing the cylindrical filter member.

Optionally, the flushing assembly further comprises a water inlet pipe, a water inlet end of the water inlet pipe is connected with the water inlet, and a water outlet end of the water inlet pipe is connected with the flushing element.

Furthermore, the washing assembly further comprises a washing pump, a first water pipe and a second water pipe, one end of the first water pipe is connected with the water inlet end of the water inlet pipeline, the other end of the first water pipe is connected with the second water pipe through the washing pump, and the second water pipe is connected with the water cup.

Specifically, a control valve is arranged on the first water pipe. Specifically, the water cup is connected with a water outlet pipeline, and a drainage pump is arranged on the water outlet pipeline.

Optionally, the cylindrical surface filtering component is sleeved on a rotating shaft, and the rotating shaft penetrates through the filtering bracket.

In particular, the flushing element is a nozzle.

Optionally, the filter further comprises a planar filter component, and the planar filter component is mounted on the top of the filter support.

Specifically, the planar filter element is provided with a flow guide inclined plane.

Specifically, the flow guide slopes are arranged along the edges of the planar filter member and are tapered.

Specifically, the mesh aperture of the screen of the planar filter component is smaller than the mesh aperture of the screen of the cylindrical filter component.

Optionally, the flushing element sprays water in a direction tangential to the outer circumferential surface of the cylindrical filter component.

The invention provides a dishwasher, which is provided with the filter assembly of any one of the above technical solutions.

Through the technical scheme, the invention has the following beneficial effects:

in the washing procedure operation process, wash the component towards cylinder filtering component to, cylinder filtering component is rotating always, thereby under the effect that cylinder filtering component self is rotatory and wash the component to the filter screen jet water flow of cylinder filtering component side, can wash the food waste of adhesion on the filter screen of cylinder filtering component side, reduce the user and dismantle the abluent frequency of cylinder filtering component, moreover, can guarantee cylinder filtering component's filter effect, improve clean effect. In addition, the cylindrical surface filtering component rotates in the filtering bracket, the filtering bracket is fixedly arranged in the water cup, the position between the filtering bracket and the water cup is relatively fixed, and the phenomenon that slag leaks from gaps generated by the direct rotation of the cylindrical surface filtering component in the water cup can be prevented.

And the surface of the plane filtering component is a flow guide inclined plane, so that the water flow sprayed by the spray arm can be guided to flow to the filtering port of the plane filtering component and flow into the cylindrical surface filtering component for secondary filtering.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic diagram of a filtration system according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a filter assembly according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view taken along line a-a in fig. 2.

Description of the reference numerals

1 cup and 2 cylindrical surface filtering components

3 Filter holder 41 flushing element

42 water inlet pipeline 43 washing pump

44 first water pipe 45 second water pipe

46 outlet conduit 47 third water pipe

5 control valve 6 draining pump

7 rotating shaft 8 plane filtering component

9 spray arm shunt valve

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, and it is to be understood that the detailed description is provided for purposes of illustration and explanation and is not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, and therefore the features defined "first", "second", "third" may explicitly or implicitly include one or more of the features described.

It should be noted at the outset that where no contrary is made, the use of the terms of orientation such as "inner and outer" are defined with respect to the inner and outer of the respective components, for example, as shown in fig. 2, with the filter holder 3 on the outside and the cylindrical filter component 2 on the inside, as shown in fig. 2, with the planar filter component 8 on the top and, correspondingly, the cup 1 on the bottom, it is to be understood that the terms are based on the orientation or positional relationship shown in the drawings, merely for convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. The directional terminology of the present invention should be understood in conjunction with the actual installation state.

The filter assembly provided by the embodiment of the invention can be applied to household appliances with washing functions, such as a dish-washing machine. In the specific embodiment, the dishwasher is mainly taken as an example to illustrate the beneficial effects of the invention.

Referring to fig. 1 to 3, the filter assembly according to the basic technical solution of the present invention includes a water cup 1, a cylindrical filter part 2, and a washing assembly, the water cup 1 having a filter holder 3 mounted therein, the cylindrical filter part 2 being mounted in the filter holder 3, and the cylindrical filter part 2 being rotatable within the filter holder 3, the washing assembly including at least one washing member 41, the washing member 41 being capable of washing the cylindrical filter part 2.

If the cylindrical filtering component 2 is directly installed in the water cup 1 and the cylindrical filtering component 2 rotates in the water cup 1, the assembling tolerance exists between the cylindrical filtering component 2 and the water cup 1, and the cylindrical filtering component 2 rotates relatively in the water cup 1, a gap is easy to appear between the cylindrical filtering component 2 and the water cup, so that fine food residues are leaked from the assembling and combining position of the cylindrical filtering component 2 and the water cup; however, according to the present invention, the filter holder 3 is disposed between the cup 1 and the cylindrical filter member 2, that is, the filter holder 3 is installed in the cup 1, the filter holder 3 and the cup 1 are not relatively rotated, and then the cylindrical filter member 2 is installed in the filter holder 3, and the cylindrical filter member 2 is relatively rotated in the filter holder 3, so that since the filter holder 3 and the cup 1 are relatively fixed, a large gap is not generated, and food residues can be confined in the cup 1 without leaking from the assembly position between the cup 1 and the filter holder 3. Moreover, use and wash component 41 and wash the filter screen of cylinder filter component 2, cooperate the rotary motion of cylinder filter component 2, can wash cylinder filter component 2's filter screen well, reduce the jam of cylinder filter component 2's filter screen, guarantee clean effect, also reduced the user simultaneously and dismantled abluent frequency, promote user experience.

Wherein, a filter screen is formed on the outer side surface of the cylindrical surface filter part 2, the flushing element 41 can be selected as a spray mechanism such as a nozzle, one or more flushing elements 4 can be arranged to flush towards the filter screen on the cylindrical surface filter part 2, and the specific number of the flushing elements 4 can be set according to design requirements, for example, a plurality of flushing elements 4 are dispersedly arranged along the outer peripheral surface of the cylindrical surface filter part 2, or a plurality of flushing elements 4 are dispersedly arranged along the axial direction of the cylindrical surface filter part 2. Furthermore, the direction of the water flow emitted by the flushing element 4 can be made tangential or nearly tangential to the outer circumferential surface of the cylindrical filter component 2, in order to achieve a better flushing effect.

As a specific example, referring to fig. 3, a rotating shaft 7 may be provided, the rotating shaft 7 penetrates into the filtering bracket 3 from one end of the filtering bracket 3, the cylindrical filtering component 2 is sleeved on the rotating shaft 7, and the cylindrical filtering component 2 and the rotating shaft 7 rotate coaxially, i.e. the cylindrical filtering component 2 and the rotating shaft 7 are fixedly connected. Set up the bearing between filtering support 3 and the rotation axis 7, rotation axis 7 passes through the shaft coupling with the motor and is connected, perhaps, rotation axis 7 passes through gear drive with the motor and is connected, and under the motor drive, rotation axis 7 can drive cylindrical filtering component 2 and make rotary motion. Wherein, can set up the arch at the bottom upper surface of drinking cup 1, correspondingly, set up the recess in the bottom of filtering support 3, make drinking cup 1 and filter support 3 lock each other, realize mutual fixed.

As a specific example, referring to fig. 1, a water inlet pipe 42 may be disposed in the flushing assembly, and a water inlet end of the water inlet pipe 42 is connected to a water inlet, which is an interface connected to an external water source, such as tap water, to provide washing water; the outlet end of the inlet conduit 42 is connected to the flushing member 41. Thus, tap water flows directly through the water inlet pipe 42 to the flushing element 41, and flushes the cylindrical filter element 2.

In a specific embodiment, referring to fig. 1, a washing pump 43, a first water pipe 44 and a second water pipe 45 may be further disposed in the flushing assembly, and meanwhile, a nozzle at one end of the first water pipe 44 is connected to the water inlet end of the water inlet pipe 42, that is, a nozzle at one end of the first water pipe 44 is connected to the water inlet, a nozzle at the other end of the first water pipe 44, a nozzle at one end of the washing pump 43 and a nozzle at one end of the second water pipe 45 are sequentially connected, and a nozzle at the other end of the second water pipe 45 is connected to the water cup 1. Generally, the control valve 5 may be mounted on the first water pipe 44, and the control valve 5 is preferably a hydraulic directional valve, and is mainly used for controlling the on/off of the water path, and may also be a flow valve for controlling the flow rate in the water path. Thus, the control valve 5 is opened to connect the first water pipe 44 with tap water, the washing pump 43 is started at the same time, washing water flows into the water cup 1 through the first water pipe 44, the washing pump 43 and the second water pipe 45, then the tap water switch is closed, the washing pump 43 rotates reversely, water flows continuously and circularly along a circulating loop formed by the water cup 1, the second water pipe 45, the washing pump 43, the first water pipe 44, the water inlet pipeline 42, the cylindrical surface filtering part 2 and the water cup 1, and the cylindrical surface filtering part 2 is continuously washed through the washing element 41, so that the washing is more thorough. The washing pump 43 may be a hydraulic power driving device, such as a bidirectional hydraulic pump.

Furthermore, the water cup 1 is also communicated with a water outlet pipeline 46, the water outlet pipeline 46 is provided with a water discharge pump 6, when the washing water needs to be discharged, the water discharge pump 6 can be opened, and the washing water flows out from the water outlet pipeline 46 under the action of the water discharge pump 6. Of course, during the flushing process, a closed loop may not be formed, and the tap water may flow through the inlet conduit 42, the cylindrical filter element 2, the water cup 1, and the outlet conduit 46 to complete the flushing operation. The drainage pump 6 may be a hydraulic power driving device, such as a unidirectional hydraulic pump, a bidirectional hydraulic pump, etc.

Furthermore, a flat filter element 8 can be provided, the flat filter element 8 being mounted on top of the filter holder 3. Generally, in a dishwasher, dishes are washed by a spray arm, and dropped washing water flows to a plane filtering component 8 and then enters a cylindrical filtering component 2, and the plane filtering component 8 and the cylindrical filtering component 2 are used for double filtering, generally, the mesh aperture of a filter screen of the plane filtering component 8 is larger, so that food residues can completely flow into the cylindrical filtering component 2 under the action of water flow sprayed by the spray arm, and the mesh aperture of the filter screen of the cylindrical filtering component 2 is smaller, so that the food residues in the water flow can be intercepted, and the filtering function is realized.

The planar filter member 8 is a filter net formed in a substantially planar structure as a whole, and the horizontal dimension of the filter net is larger than the vertical dimension thereof, but the filter net is not limited to a standard planar shape, and may have a deformed structure such as bending or folding.

In order to allow the washing water to flow into the cylindrical filter member 2 better, referring to fig. 2 and 3, the flat filter member 8 includes a filter hole having a filter structure, and a guide slope is provided around the filter hole, and the guide slope is designed in a trumpet-like shape or a cone shape having a high outer side and a low inner side so that the water flow can flow toward the filter hole along the guide slope.

Referring to fig. 1, a spray arm shunt valve 9 may be further disposed in the filter assembly, the spray arm shunt valve 9 is connected to the spray arm, and meanwhile, the spray arm shunt valve 9 is connected to the first water pipe 44 and the washing pump 43 through a third water pipe 47 to form a filter system, and the filter system has three sets of water circulation states. State one, water flow external circulation: running water flows in from the water inlet and flows into the water cup 1 through the water inlet pipeline 42, the washing pump 43 and the spray arm shunt valve 9 are opened, water flows into the spray arm through the second water pipe 45, the washing pump 43, the third water pipe 47 and the spray arm shunt valve 9, dishes and other tableware are sprayed and washed through the spray arm, the washing water falls into the planar filtering component 8 and then flows into the cylindrical surface filtering component 2 to be filtered, and the filtered washing water flows out through the water outlet pipeline 46, so that the process of spraying and washing the tableware is realized once. State two, internal water circulation: running water flows in from the water inlet, flows into the water cup 1 through the water inlet pipeline 42, the washing pump 43 and the spray arm shunt valve 9 are opened, the drainage pump 6 is closed, water flows into the spray arm through the second water pipe 45, the washing pump 43, the third water pipe 47 and the spray arm shunt valve 9, dishes and other tableware are sprayed and washed through the spray arm, the washing water falls into the planar filtering part 8 and then flows into the cylindrical filtering part 2 to be filtered, the filtered washing water enters the water cup 1 and flows into the spray arm through the second water pipe 45, the washing pump 43, the third water pipe 47 and the spray arm shunt valve 9 again, the dishes and other tableware are sprayed and washed through the spray arm, and accordingly circular washing of the dishes is achieved. State three, flush cycle: the control valve 5 is opened and the spray arm shunt valve 9 is closed, so that the washing water in the water cup 1 flows to the washing element 41 through the second water pipe 45, the washing pump 43, the first water pipe 44 and the water inlet pipeline 42, and the cylindrical surface filter component 2 is washed by matching with the rotation motion of the cylindrical surface filter component 2.

The invention also provides a dishwasher, which can have the filter assembly described in any embodiment, namely, adopts all the technical solutions of all the filter assembly embodiments, thereby having at least all the benefits brought by the technical solutions of the filter assembly embodiments. Can reduce the user and dismantle abluent frequency, promote user experience, improve clean effect.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims (13)

1. A filter assembly, characterized in that it comprises a water cup (1), a cylindrical filter element (2) and a flushing assembly, a filter holder (3) being mounted in the water cup (1), the cylindrical filter element (2) being rotatably mounted in the filter holder (3), the flushing assembly comprising at least one flushing element (41) for flushing the cylindrical filter element (2).

2. The filtering assembly according to claim 1, characterized in that said flushing assembly further comprises a water inlet conduit (42), the water inlet end of said water inlet conduit (42) being connected to the water inlet and the water outlet end thereof being connected to said flushing element (41).

3. The filtering assembly according to claim 2, characterized in that the flushing assembly further comprises a washing pump (43), a first water pipe (44) and a second water pipe (45), one end of the first water pipe (44) being connected with the water inlet end of the water inlet pipe (42), the other end of the first water pipe (44) being connected with the second water pipe (45) through the washing pump (43), the second water pipe (45) being connected with the water cup (1).

4. A filter assembly as claimed in claim 3, wherein a control valve (5) is provided on the first water line (44).

5. A filter assembly as claimed in any one of claims 1 to 4, wherein an outlet conduit (46) is connected to the water cup (1), the outlet conduit (46) being provided with a drain pump (6).

6. A filter assembly as claimed in any one of claims 1 to 4, wherein the cylindrical filter element (2) is fitted over a rotation shaft (7), the rotation shaft (7) being arranged through the filter holder (3).

7. A filter assembly as claimed in any one of claims 1 to 4, wherein the flushing element (41) is a nozzle.

8. A filter assembly as claimed in claim 1, further comprising a planar filter member (8), the planar filter member (8) being mounted on top of the filter holder (3).

9. A filter assembly as claimed in claim 8, wherein the planar filter member (8) is provided with a flow directing chamfer.

10. A filter assembly as claimed in claim 9, wherein the flow-directing chamfer is arranged along the edge of the planar filter member (8) and is conical.

11. A filter assembly as claimed in claim 8, wherein the mesh aperture of the screen of the planar filter element (8) is smaller than the mesh aperture of the screen of the cylindrical filter element (2).

12. A filter assembly as claimed in any one of claims 1 to 4, wherein the direction of the water flow emitted by the flushing element (41) is tangential to the outer peripheral surface of the cylindrical filter component (2).

13. A dishwasher, characterized in that a filter assembly according to any one of claims 1 to 12 is provided.

Images