CN216167314U - Filtering component and dish washing machine - Google Patents

Abstract

The utility model 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 for washing the cylindrical filtering part (2), 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 a limiting structure for limiting the up-and-down movement of the cylindrical filtering part (2) is arranged between the cylindrical filtering part (2) and the filtering bracket (3). The filter assembly can reduce the frequency of disassembly and cleaning by a user, improve the user experience, improve the cleaning effect and prevent the gap slag leakage generated by the rotary cylindrical surface filter component.

Description

Filtering component and dish washing machine

Technical Field

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

Background

The dish washer is used to automatically clean tableware, such as dish, chopsticks, dish, knife, fork, etc. and has less labor strength, high work efficiency and high cleanness and hygiene. At present, small dish-washing machines gradually enter common families, but because food residues are stuck on tableware, a filtering structure is required to be arranged on the dish-washing machine.

At present, in the process of washing tableware with pollutants by a dishwasher, some fine pollutants enter a filter of the dishwasher after being washed off the tableware, and a filtering system of the common dishwasher is provided with a cylindrical filter which is arranged on a water cup and is used for filtering the fine pollutants so as to prevent the pollutants from entering a washing system again and polluting the tableware again. After washing, the cylindrical filter needs to be taken out, impurities are poured into the garbage can for treatment, and then the impurities adhered to the surface of the filter screen are cleaned.

The cylinder filter is when filtering tiny pollutant, and the pollutant adheres to on the filter screen very easily for the cylinder filter blocks up, leads to washing pump suction difficulty, causes the washing effect not good, even unable normal washing, and in addition, the continuous accumulation of pollutant on the cylinder filter needs artificial often to go clean, has caused the inconvenience that the user used.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a filter assembly which can reduce the frequency of disassembly and cleaning of a user, improve the user experience, improve the cleaning effect and prevent clearance slag leakage generated by a rotating cylindrical surface filter component.

In order to solve the technical problem, a first aspect of the present invention provides a filter assembly, which includes a water cup, a cylindrical filter component, and a flushing assembly for flushing the cylindrical filter component, wherein a filter holder is installed in the water cup, the cylindrical filter component is rotatably installed in the filter holder, and a limiting structure for limiting the up-and-down movement of the cylindrical filter component is disposed between the cylindrical filter component and the filter holder.

Optionally, the limiting structure includes a limiting groove disposed on one of the cylindrical surface filtering component and the filtering bracket and a limiting protrusion formed on the other of the cylindrical surface filtering component and the filtering bracket, a gap is formed between an upper inner surface of the limiting groove and an upper surface of the limiting protrusion, and the gap is smaller than or equal to the aperture of the filtering hole in the cylindrical surface filtering component.

Specifically, the bottom of the limiting protrusion is provided with a protruding part for limiting the cylindrical surface filtering component to move along the radial direction.

Further, the clearance is less than or equal to 0.3 mm.

Optionally, the flushing assembly comprises at least one flushing element for flushing the cylindrical filter component.

Furthermore, the flushing assembly also comprises a water inlet pipeline, wherein the water inlet end of the water inlet pipeline is connected with the water inlet, and the water outlet end of the water inlet pipeline is connected with the flushing element.

Optionally, 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.

Optionally, a control valve is arranged on the first water pipe.

Optionally, the flushing element is a nozzle.

Optionally, the water cup is connected with a water outlet pipeline, and a drainage pump is arranged on the water outlet pipeline.

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

In addition, the technical problem to be solved by the utility model is to provide the dish washing machine, which can reduce the frequency of disassembly and cleaning for users, improve the user experience and improve the cleaning effect.

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

Through the technical scheme, the utility model has the following beneficial effects:

in the running process of a washing program, a water outlet of the washing assembly faces the cylindrical surface filtering component, and the washing assembly can enable the cylindrical surface filtering component to rotate, so that under the action of the rotation of the cylindrical surface filtering component and the water jet of the washing assembly to the filter screen on the side surface of the cylindrical surface filtering component, food residues adhered to the filter screen on the side surface of the cylindrical surface filtering component can be washed away, and the frequency of cleaning when a user detaches the cylindrical surface filtering component is reduced; moreover, the filtering effect of the cylindrical surface filtering component can be ensured, and the cleaning effect is improved. 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. Set up limit structure between cylinder filtering component and the filtration support, can prevent that cylinder filtering component from shifting up and down at rotatory in-process.

Furthermore, the gap between the inner surface of the upper side of the limiting groove and the upper surface of the limiting protrusion is designed to be smaller than or equal to the aperture of the filtering hole in the cylindrical surface filtering component, so that the gap generated by the rotation of the cylindrical surface filtering component can be prevented from leaking slag.

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

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. 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 diagram of a filter assembly according to another embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is a partially enlarged view of a portion B in fig. 4.

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 101 spacing recess

102 limiting protrusion L1 limiting groove width

Thickness of L2 limiting projection

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 utility model.

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. 3, with the filter holder 3 on the outside and the cylindrical filter component 2 on the inside, as shown in fig. 3, 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 utility model 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 utility model. 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 utility model can be applied to household appliances with a function of waiting for washing of a dish-washing machine. In the specific embodiment, the dishwasher is mainly taken as an example to illustrate the beneficial effects of the utility model.

As shown in fig. 1 to 5, a filter assembly according to a basic embodiment of the present invention includes a water cup 1, a cylindrical filter member 2, and a washing assembly for washing the cylindrical filter member 2, a filter holder 3 installed in the water cup 1, the cylindrical filter member 2 installed in the filter holder 3, and the cylindrical filter member 2 being capable of rotating in the filter holder 3; 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, because the assembling tolerance exists between the cylindrical filtering component 2 and the water cup 1, when the cylindrical filtering component 2 rotates in the water cup 1 relatively, a gap is easy to appear between the cylindrical filtering component 2 and the water cup, so that fine food residues are leaked to the outside from the assembling and combining position of the cylindrical filtering component 2 and the water cup to pollute the environment; however, according to the present invention, the filter bracket 3 is disposed between the water cup 1 and the cylindrical filter component 2, that is, the filter bracket 3 is installed in the water cup 1, the filter bracket 3 and the water cup 1 do not rotate relatively, the size of the gap between the filter bracket 3 and the water cup 1 is relatively fixed, which can reduce the possibility of leakage of food residues, and then the cylindrical filter component 2 is installed in the filter bracket 3, and under the action of the flushing component, the cylindrical filter component 2 can make relative rotation movement in the filter bracket 3, such that, since the position between the filter bracket 3 and the water cup 1 is relatively fixed, no large gap is generated, so that the food residues can be limited in the water cup 1 and will not leak from the assembly position between the water cup 1 and the filter bracket 3. Moreover, use and wash the subassembly and wash the filter screen of cylinder filter element 2 to make cylinder filter element 2 can be rotary motion, can wash cylinder filter element 2's filter screen well, reduce the jam of cylinder filter element 2's filter screen, guarantee clean effect, also reduced the user simultaneously and dismantled abluent frequency, promote user experience. Be provided with limit structure between cylinder filtering component 2 and the filtration support 3, limit structure can restrict cylinder filtering component 2 and reciprocate.

Wherein, a filter screen is formed on the outer side surface of the cylindrical surface filter component 2, the flushing assembly may include one or more flushing elements 41, the flushing elements 41 may be selected from a nozzle and other spraying mechanisms, the one or more flushing elements 41 may be set to flush towards the filter screen on the cylindrical surface filter component 2, and the specific number of the flushing elements 41 is set according to design requirements, for example, a plurality of flushing elements 41 are dispersedly arranged along the outer circumferential surface of the cylindrical surface filter component 2, or a plurality of flushing elements 41 are dispersedly arranged along the axial direction of the cylindrical surface filter component 2. Furthermore, the direction of the water flow sprayed by the flushing element 41 can be tangential or nearly tangential to the outer circumferential surface of the cylindrical filter component 2, so that the cylindrical filter component 2 can perform a rotational movement, so as to achieve a better flushing effect.

As a specific structure of the spacing structure, referring to fig. 5, a spacing structure can be formed by using a spacing groove 101 and a spacing protrusion 102, in the embodiment shown in fig. 5, the spacing groove 101 is disposed on the filter support 3, for example, at a position near the bottom of the inner surface of the filter support 3, correspondingly, the spacing protrusion 102 is disposed on the cylindrical filter component 2, for example, at a position near the bottom of the outer surface of the cylindrical filter component 2, the spacing protrusion 102 is inserted into the spacing groove 101, the cross-sectional shape of the spacing protrusion 102 is the same as the cross-sectional shape of the spacing groove 101, for example, both are rectangular, trapezoidal, etc., the spacing groove 101 is composed of an upper spacing buckle and a lower rotating guide rail, generally, the spacing protrusion 102 makes a rotating motion along the rotating guide rail, and a gap is provided between the inner lower surface of the spacing groove 101 and the upper surface of the spacing protrusion 102, that is, a gap is formed between the lower surface of the limit buckle and the upper surface of the limit protrusion 102, and in order to prevent the problem of the leakage of the rotation, the gap is designed to be smaller than or equal to the aperture of the filtering hole on the cylindrical filtering part 2, so that food residues are prevented from flowing into the space below the cylindrical filtering part 2 from the gap between the cylindrical filtering part 2 and the edge position where the filtering bracket 3 is contacted with the cylindrical filtering part and then from the gap between the filtering bracket 3 and the combining position of the water cup 1. Of course, it is also possible to arrange the limiting groove 101 on the cylindrical filter element 2 and, correspondingly, the limiting projection 102 on the filter holder 3; alternatively, other structural forms of the limiting structure are adopted to achieve similar functions. Further, a protrusion is formed at the bottom of the limit projection 102, and the protrusion can limit the cylindrical filter member 2 from moving in the radial direction during rotation.

Generally, the aperture of the filtering hole of the filter net on the cylindrical filtering component 2 is small, and about 0.3mm is generally adopted, therefore, the gap between the upper inner surface of the limiting groove 101 and the upper surface of the limiting protrusion 102 can be designed to be less than or equal to 0.3mm, that is, the width L1 of the limiting groove-the thickness L2 of the limiting protrusion is less than or equal to 0.3 mm.

As a specific embodiment, referring to fig. 4, a rotating shaft 7 may also 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 rotating shaft 7 drives the cylindrical filtering component 2, so that the cylindrical filtering component 2 and the rotating shaft 7 rotate coaxially, that is, 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. Wherein the wash pump 43 may be hydraulically powered devices such as a bi-directional hydraulic pump or the like.

Furthermore, the water cup 1 is also communicated with a water outlet pipeline 46, the water outlet pipeline 46 is provided with a drainage pump 6, when the washing water needs to be drained, the drainage pump 6 can be opened, and the washing water flows out of the water outlet pipeline 46 under the action of the drainage 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. Wherein the drain pump 6 may be hydraulically powered equipment such as a one-way hydraulic pump, a two-way 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 make the washing water flow into the cylindrical filter part 2 better, referring to fig. 3 and 4, the flat filter part 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 shape similar to a trumpet or a cone with a high outer side and a low inner side, so that the water flow can flow into 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 spray arm shunt valve 9 is preferably a hydraulic reversing valve, is mainly used for controlling the on-off of a water channel, and can also be a flow valve used for controlling the flow in the water channel.

The utility model 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 utility model. The utility model 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 (12)

1. The utility model provides a filter assembly, its characterized in that includes drinking cup (1), cylinder filter component (2) and is used for washing the subassembly that washes of cylinder filter component (2), install in drinking cup (1) and filter support (3), cylinder filter component (2) rotatably install filter support (3) in, cylinder filter component (2) with be equipped with between filter support (3) and be used for the restriction the limit structure that cylinder filter component (2) reciprocated.

2. The filter assembly according to claim 1, wherein the limiting structure comprises a limiting groove (101) provided on one of the cylindrical filter element (2) and the filter holder (3) and a limiting protrusion (102) formed on the other, an upper inner surface of the limiting groove (101) and an upper surface of the limiting protrusion (102) form a gap, the gap being equal to or smaller than an aperture of a filter hole on the cylindrical filter element (2).

3. A filter assembly as claimed in claim 2, wherein the bottom of the restraining projection (102) is provided with a projection for restraining the cylindrical filter element (2) from moving radially.

4. The filter assembly of claim 2, wherein the gap is 0.3mm or less.

5. A filter assembly as claimed in claim 1, characterised in that the flushing assembly comprises at least one flushing element (41) for flushing the cylindrical filter component (2).

6. A filter assembly as claimed in claim 5, wherein the flushing assembly further comprises a water inlet conduit (42), the water inlet conduit (42) being connected at its water inlet end to the water inlet and at its water outlet end to the flushing element (41).

7. A filter assembly as claimed in claim 6, wherein the flushing assembly further comprises a washing pump (43), a first water pipe (44) and a second water pipe (45), the first water pipe (44) being connected at one end to the water inlet end of the water inlet conduit (42), the first water pipe (44) being connected at the other end to the second water pipe (45) via the washing pump (43), the second water pipe (45) being connected to the water cup (1).

8. A filter assembly as claimed in claim 7, wherein a control valve (5) is provided on the first water line (44).

9. A filter assembly as claimed in any one of claims 5 to 8, wherein the flushing element (41) is a nozzle.

10. A filter assembly as claimed in any one of claims 1 to 8, wherein an outlet conduit (46) is connected to the water cup (1), the outlet conduit (46) being provided with a drain pump (6).

11. A filter assembly as claimed in any one of claims 1 to 8, further comprising a planar filter member (8), the planar filter member (8) being mounted on top of the filter support (3).

12. A dishwasher, characterized in that a filter assembly according to any one of claims 1 to 11 is provided.

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