CN216724485U - Filtering component and dish washing machine - Google Patents

Abstract

The utility model relates to the technical field of kitchen appliances, in particular to a filtering assembly and a dish washing machine. The filter assembly provided by the utility model comprises a first filter element, a second filter element and a water outlet, wherein the first filter element is arranged in the water outlet; the first filtering piece comprises a body, a first filtering hole is formed in the body, a filtering cavity communicated with the first filtering hole is formed in the body, and the body can lift relative to the inner container along with the change of water level in the drainage hole. Through setting up the first filtration piece that can reciprocate in the wash port, during the dish washer drainage, first filtration piece floats, and the residue is followed water and is flowed into the filter chamber by first filtration hole to stay in the filter chamber, after stopping the drainage, first filtration piece falls under the effect of gravity, and residue and residual water stay in wash port (filter chamber) and inside the non-inner bag, have avoided production such as peculiar smell. The user experience is better.

Description

Filtering component and dish washing machine

Technical Field

The utility model relates to the technical field of kitchen appliances, in particular to a filtering component and a dish-washing machine.

Background

The dishwasher is in the process of washing the tableware, food residues in the tableware can flow away along with water flow sprayed by the spraying arm of the dishwasher, and in order to prevent the food residues from flowing into the drainage pipeline to block the drainage pump, a filtering device is arranged at the drainage position of the dishwasher to prevent the food residues from entering.

Through setting up filter equipment in the drainage department of dish washer, though can effectively prevent in food waste enters into drainage pipe, but dish washer washs the completion back, food waste can stay the inside of dish washer always, if after the dish washer has washd the tableware, the inside food waste of dish washer is not in time cleared up to the user, food waste gives off the peculiar smell very easily, leads to the unable tableware of storing of dish washer, has seriously influenced the use experience of dish washer.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the following problems: after the tableware is cleaned in the dish washer, if the food residues left in the dish washer are not cleaned in time, peculiar smell can be emitted, and the use experience of the dish washer is influenced.

(II) technical scheme

In order to solve the technical problem, an embodiment of the utility model provides a filter assembly for a dishwasher, the dishwasher comprises an inner container, an accommodating cavity is formed in the inner container, a drain hole is formed in the bottom wall of the inner container, and the drain hole is communicated with the accommodating cavity; the filter assembly includes: a first filter member installed in the drain hole;

the first filtering piece comprises a body, a first filtering hole is formed in the body, a filtering cavity communicated with the first filtering hole is formed in the body, and the body can lift relative to the inner container along with the change of water level in the drainage hole.

According to one embodiment of the utility model, the first filter element is provided with a floating block;

and/or;

the density of the first filter element is less than the density of water;

when the dishwasher is supplied with water, the body extends out of the drain hole;

when the dishwasher drains, the body retracts into the drain hole.

According to one embodiment of the utility model, the first filter element further comprises a blocking portion;

the blocking part is connected with the body;

when the body retracts to the drain hole, the blocking part closes the drain hole.

According to one embodiment of the utility model, the body comprises a first end part and a second end part which are opposite, the first end part is provided with a first filtering hole, and the blocking part is arranged at the first end part;

the first end portion can extend out of or retract into the drain hole.

According to an embodiment of the present invention, the first filtering hole is disposed on a side wall of the first end portion and is communicated with the drain hole;

the blocking part is an end cover arranged at the first end part, and the end cover can cover and seal the drain hole.

According to one embodiment of the utility model, the edge of the drain hole is provided with a flange, and the edge of the end cover is lapped on the flange.

According to an embodiment of the present invention, a filtering chamber is disposed in the main body, and a second filtering hole communicating the drain hole and the filtering chamber is further disposed on a sidewall of the second end portion.

According to an embodiment of the utility model, the area of the first filter aperture is larger than the area of the second filter aperture.

According to an embodiment of the utility model, the body further comprises a connection portion;

the two ends of the connecting part are respectively connected with the first end part and the second end part, the first end part and the second end part are coaxially arranged, and the inner diameter of the first end part is larger than that of the second end part;

the connecting part is provided with the second filtering hole.

According to one embodiment of the utility model, a water storage cavity is arranged in the drain hole, the body is positioned in the water storage cavity, and the water storage cavity is communicated with a water source;

when the dishwasher is supplied with water, the water level in the water storage cavity rises, and the body extends out of the drain hole;

after the dishwasher drains water, the water level in the water storage cavity is reduced, and the body retracts into the drain hole.

According to one embodiment of the utility model, the float is mounted at the second end or the float is mounted within the filter chamber.

According to one embodiment of the utility model, the first filter element further comprises a mounting frame;

the floating block is installed at the second end part through the installation frame, or the floating block is installed in the filtering cavity through the installation frame.

According to one embodiment of the utility model, the filter assembly further comprises a control member;

the control piece is used for controlling the water quantity in the water storage cavity to meet the floating requirement of the floating block.

According to one embodiment of the utility model, further comprising a second filter element;

the second filter piece is arranged at the outer edge of the drain hole, and a third filter hole is formed in the side wall of the second filter piece;

when the dishwasher is supplied with water, the first end part at least partially extends out of the drain hole, and the first filtering hole is communicated with the third filtering hole.

According to an embodiment of the utility model, the area of the third filtering hole is smaller than the area of the first filtering hole, while the area of the third filtering hole is larger than the area of the second filtering hole.

According to one embodiment of the present invention, the second filter member has a cylindrical structure;

two ends of the second filter element are respectively communicated with the drain hole and the accommodating cavity;

the first filter member floats up and down in the drain hole and the second filter member.

According to one embodiment of the utility model, the device further comprises a mounting plate;

the mounting plate is mounted on the bottom wall of the inner container and provided with a sinking groove, and a connecting hole is formed in the bottom wall of the sinking groove;

the connecting hole is communicated with the drain hole, and the first filter piece and the second filter piece penetrate through the connecting hole and are installed in the drain hole.

Another embodiment of the present invention provides a dishwasher, including the filter assembly of any of the above embodiments.

The utility model has the beneficial effects that:

the utility model provides a filter assembly for a dish washing machine, which comprises an inner container, wherein an accommodating cavity is formed in the inner container, a drain hole is formed in the bottom wall of the inner container, and the drain hole is communicated with the accommodating cavity; the filter assembly includes: a first filter member installed in the drain hole; the first filtering piece comprises a body, a first filtering hole is formed in the body, and the body can lift relative to the inner container along with the change of the water level in the water drainage hole.

Through setting up the first filtration piece that can reciprocate in the drainage hole, during the dish washer drainage, first filtration piece floats, and the residue is followed water and is flowed into the filter chamber by first filtration hole to stay in the filter chamber. After the drainage is stopped, the first filter element falls under the action of gravity, and residues and residual water are left in the drainage hole (filter cavity) instead of the inner container, so that peculiar smell and the like are avoided. The user experience is better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural diagram of a filter assembly according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a mounting plate structure according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a second filter according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a first filter according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a filter assembly according to an embodiment of the present invention in an elevated state;

fig. 6 is a cross-sectional view of a filter assembly in a lowered state according to an embodiment of the present invention.

Icon: 100-a drain hole; 110-a water storage cavity; 120-flanging;

200-a first filter element; 210-a body; 211-a first end portion; 212-a second end; 213-first filter hole; 214-a second filter aperture; 215-a filter chamber; 216-a connecting portion; 220-end cap; 230-a floating block; 240-a mounting frame;

300-a second filter; 310-a third filtration pore;

400-mounting a plate; 410-connecting hole.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 6, one embodiment of the present invention provides a filter assembly for a dishwasher, the dishwasher includes an inner container, a receiving cavity is formed in the inner container, a drain hole 100 is formed on a bottom wall of the inner container, and the drain hole 100 is communicated with the receiving cavity; the filter assembly includes: a first filter member 200, the first filter member 200 being installed in the drain hole 100; the first filter element 200 includes a body 210, the body 210 is provided with a first filter hole 213, a filter cavity 215 communicated with the first filter hole 213 is provided in the body 210, and the body 210 can move up and down relative to the inner container along with the water level change in the drain hole 100.

The filter assembly provided by the embodiment is used for filtering residues generated in the spraying and cleaning processes of the dishwasher.

Specifically, the dishwasher comprises an inner container, wherein a containing cavity for washing and placing tableware is formed in the inner container, sewage, residues and the like generated in the washing process flow out of the drain hole 100, and a filtering component is arranged between the containing cavity and the drain hole 100 and used for preventing excessive large residues from entering the drain hole 100 and blocking the drain hole 100.

In this embodiment, the filter assembly includes the first filter element 200, the first filter element 200 is telescopically disposed in the drain hole 100, and is used for intercepting some large residues in the first filter element 200, so as to avoid blocking in the drain hole 100, meanwhile, after the washing is completed, the sewage in the drain hole 100 may have a problem of unclean discharge, and after the drainage of the dishwasher is completed, the first filter element 200 is retracted into the drain hole 100, and the residues are left in the filter chamber 215, so as to avoid the peculiar smell in the accommodating chamber.

In this embodiment, as shown in fig. 5 and fig. 6, a floating block 230 is disposed on the first filter element 200, and the floating block 230 is used for driving the first filter element 200 to ascend and descend; and/or the density of the first filter member 200 is less than the density of water.

In this embodiment, the first filter member 200 includes various arrangements to allow the first filter member 200 to move up and down in the drain hole 100.

One is to provide a floating block 230 on the first filter member 200, and to drive the first filter member 200 to float up and down in the drain hole 100 by the buoyancy of the floating block 230.

Or the first filter member 200 is made of a material having a density less than that of water, and since the density of the first filter member 200 is less than that of water, the first filter member 200 can float out of the drain hole 100.

Or the first filter member 200 is made of a material having a density less than that of water, and a floating block 230 is disposed on the first filter member 200 to drive the first filter member 200 to float up and down in the drain hole 100.

In practical use, in the drain hole 100, a water storage chamber 110 for providing buoyancy to the first filter 200 is provided, as will be described in detail below.

Alternatively, a bent structure such as a bend may be provided at the drain hole 100 to enable water to be stored to provide buoyancy for the first filter 200 to float.

In this embodiment, the first filter member 200 further includes a plugging portion; the blocking part is connected with the body 210; when the body 210 is retracted into the drain hole 100, the stopper closes the drain hole 100.

Through setting up the shutoff portion for shutoff wash port 100 avoids sewage to get damp, causes to hold the intracavity and has the peculiar smell.

In practical use, after the dishwasher starts to feed water, the first filter element 200 can extend from the drain hole 100 under the action of buoyancy, and both ends of the first filter hole 213 on the first filter element 200 are respectively communicated with the filter chamber 215 and the accommodating chamber, so that food residues can be intercepted in the filter chamber 215.

After the dishwasher drains water, the first filter element 200 retracts into the drain hole 100, and at this time, the sealing part seals the drain hole 100, so as to prevent the drain hole from getting damp to the accommodating cavity and prevent the accommodating cavity from generating peculiar smell.

In this embodiment, when the dishwasher starts to supply water, at this time, a spraying system for washing dishes in the dishwasher is connected to a water source, and water is supplied to the spraying system, and at this time, the water source also supplies water to the water storage chamber 110, so that the first filter 200 can extend out of the drain hole 100. The dishwasher discharges water, namely the dishwasher finishes the washing of the tableware, and discharges sewage generated in the washing process. When the dishwasher drains water, the water in the water storage chamber 110 for providing buoyancy to the first filter 200 may be discharged together with the sewage, but since the water discharge amount is too large, the water level in the water storage chamber 110 may not be changed much, and when the dishwasher drains water, the water in the water storage chamber 110 may be discharged together with the sewage, and at this time, the first filter 200 is retracted into the water discharge hole 100.

It can be understood that the filtering assembly provided by the embodiment can also be used for bathroom floor drains, washing machines and other equipment.

As shown in fig. 1, 4, 5 and 6, the body 210 includes a first end portion 211 and a second end portion 212 which are opposite to each other, the first end portion 211 is provided with a first filter hole 213, and the blocking portion is provided at the first end portion 211; the first end 211 can extend or retract into the drain hole 100; when the dishwasher is supplied with water, the first end part 211 at least partially extends out of the drain hole 100, and the accommodating cavity is communicated with the drain hole 100 through the first filtering hole 213; when the dishwasher drains, the first end portion 211 retracts into the drain hole 100, and the blocking portion covers and blocks the drain hole 100.

In the filter assembly provided by this embodiment, the first filtering hole 213 is located at the first end portion 211, and the blocking portion and the first filtering hole 213 are both disposed at the first end portion 211 to filter residues or seal. When the water is supplied into the dishwasher, at the moment, the first end part 211 at least partially extends out of the drain hole 100, when the dishwasher drains water, sewage flows into the drain hole 100, and the accommodating cavity is communicated with the drain hole 100 through the first filtering hole 213; after the drainage of the dishwasher is completed, the first end portion 211 retracts into the drainage hole 100, and the drainage hole 100 is sealed by the sealing portion, so that odor and the like cannot return to the accommodating cavity from the drainage hole 100.

As shown in fig. 1, 4, 5 and 6, the body 210 is a cylindrical structure, a filter cavity 215 is disposed in the body 210, and the first filter hole 213 is disposed on a side wall of the first end portion 211 and is communicated with the drain hole 100; the blocking portion is an end cap 220 disposed at the first end portion 211, and the end cap 220 can cover and seal the drainage hole 100.

In the filter assembly of this embodiment, the first filtering hole 213 is disposed on the sidewall of the first end portion 211, and after the first end portion 211 extends out of the drainage hole 100, the sewage can flow into the drainage hole 100 through the first filtering hole 213, and meanwhile, the end surface of the first end portion 211 is provided with the end cap 220, so that on one hand, the sewage cannot flow into the drainage hole 100 through the upper end of the first end portion 211, and on the other hand, the drainage hole 100 can be closed after the first end portion 211 retracts into the drainage hole 100.

As shown in fig. 1, 4, 5 and 6, the edge of the drainage hole 100 is provided with a flange 120, and the edge of the end cap 220 is overlapped on the flange 120.

In the filter assembly provided in this embodiment, the edge of the end cap 220 overlaps the flange 120 to close the drainage hole 100. Meanwhile, the flange 120 can prevent the first filter element 200 from falling too deeply in the drain hole 100 during the falling process, and thus the first filter element is difficult to take out or float when used next time.

As shown in fig. 1, 4, 5 and 6, a filter chamber 215 is disposed in the body 210, and a second filter hole 214 communicating the drain hole 100 and the filter chamber 215 is further disposed on a sidewall of the second end portion 212.

In the filter assembly of the present embodiment, the filter chamber 215 is used for containing small debris, so as to prevent the debris from entering the drain hole 100.

Specifically, when the dishwasher is started, the first end portion 211 extends out of the drain hole 100, sewage with residues flows into the drain hole 100, the residues flow into the filter chamber 215 along with the sewage, and the second filter hole 214 is used for intercepting smaller residues in the filter chamber 215, so that the residues flow into the drain hole 100 along with the sewage, and the drain hole 100 is prevented from being blocked.

As shown in fig. 1, 4, 5 and 6, in particular, the area of the first filter hole 213 is larger than the area of the second filter hole 214. To intercept debris within the filter chamber 215.

As shown in fig. 1, 4, 5 and 6, the body 210 further includes a connection portion 216; for connecting the first end 211 and the second end 212. Meanwhile, the side wall of the connecting part 216 is also provided with the second filtering hole 214 for intercepting the residue.

Both ends of the connecting portion 216 are respectively connected to the first end portion 211 and the second end portion 212, the first end portion 211 and the second end portion 212 are both cylindrical structures, the first end portion 211 and the second end portion 212 are coaxially disposed, and an inner diameter of the first end portion 211 is greater than an inner diameter of the second end portion 212.

In this embodiment, it is preferable that the inner diameter of the first end portion 211 is slightly smaller than the inner diameter of the drainage hole 100 to increase the water inlet area of the first filter 200.

Meanwhile, the inner diameter of the second end portion 212 is smaller than that of the first end portion 211, and the gap between the second end portion 212 and the inner wall of the drain hole 100 is relatively large, so that the sewage can flow through relatively fast, and the influence on the drainage efficiency of the dishwasher due to relatively slow drainage is avoided. Meanwhile, small particle residues can be prevented from being clamped between the outer wall of the second end part 212 and the inner wall of the drain hole 100, and the first filter member 200 is prevented from moving up and down in the drain hole 100.

As shown in fig. 5 and 6. A water storage cavity 110 is arranged in the water discharge hole 100, the body 210 is located in the water storage cavity 110, and the water storage cavity 110 is communicated with a water source.

In practical use, a water storage chamber 110 is further disposed in the drainage hole 100 for storing a certain amount of water so that the first filter 200 can float out of the drainage hole 100.

The water storage chamber 110 is communicated with a water source, and when the dishwasher is supplied with water, the water from the water source is firstly injected into the water storage chamber 110, so that the first filter 200 can float out of the drain hole 100.

In this embodiment, a water source can divide a pipeline alone, communicates with water storage chamber 110, also can with the same pipeline of sharing such as spray arm in the dish washer to save space.

In this embodiment, the first filter member 200 is driven to float up and down in the drain hole 100 by providing the floating block 230 on the first filter member 200. Wherein, the floating block 230 comprises a plurality of installation modes.

The float 230 may be disposed at the second end 212. The second end 212 is far away from the connection between the water drain hole 100 and the inner container and is inserted into the water storage cavity 110 deepest, so the floating block 230 is preferably arranged at the second end 212. At this time, a small amount of water may be filled in the water storage chamber 110, and the floating block 230 may drive the first filter 200 to float out of the water discharge hole 100.

The flotage 230 may also be disposed inside the filter cavity 215. Since the filter chamber 215 is communicated with the drainage hole 100, that is, the water storage chamber 110, when the water storage chamber 110 is filled with water, the filter chamber 215 is also filled with water, and the first filter element 200 is driven to float upward by the floating block 230.

As shown in fig. 4 to 6, the first filter element 200 further comprises a mounting frame 240; the floating block 230 is mounted to the second end 212 through the mounting bracket 240, or the floating block 230 is mounted in the filter cavity 215 through the mounting bracket 240.

It will be appreciated that in this embodiment, the floating block 230 may also be connected to the filter member by riveting, gluing, etc., which also achieves the purpose of driving the first filter member 200 up and down in this embodiment.

As shown in fig. 5 and 6, the filter assembly further includes a control member; the control element is used for controlling the water amount in the water storage cavity 110 to enable the floating block 230 to float upwards.

In order to prevent the first filter 200 from floating up due to the water in the storage chamber 110 being completely drained away in actual use, the control member is disposed in the storage chamber 110 for satisfying that the water in the storage chamber 110 is enough for the floating block 230 to drive the first filter 200 to float up.

In this embodiment, the control member may be a drain pump. The drainage pump is in communication with the drainage hole 100, and on one hand, can pump out the water in the drainage hole 100, and on the other hand, can control the water in the water storage chamber 110 enough for the floating block 230 to drive the first filter 200 to float.

It is understood that, in this embodiment, the control member may also be a solenoid valve, which also can achieve the purpose of controlling the water in the water storage cavity 110 to be sufficient for the floating block 230 to drive the first filter element 200 to float.

As shown in fig. 1, 3, 5 and 6, a second filter 300 is further included; the second filter member 300 is disposed at the outer edge of the drain hole 100, and a third filtering hole 310 is formed in the sidewall of the second filter member 300; when the dishwasher is started, the first end portion 211 at least partially extends out of the drain hole 100, and the first filtering hole 213 and the third filtering hole 310 are communicated.

The filter assembly provided by this embodiment further includes a second filter 300, and the second filter 300 is used for filtering the sewage in the accommodating cavity for the first time, so as to intercept a part of the large residue in the accommodating cavity, and prevent the drainage hole 100 from being blocked by the residue too much.

As shown in fig. 1, 3, 5 and 6, the area of the third filtering hole 310 is smaller than that of the first filtering hole 213, and the area of the third filtering hole 310 is larger than that of the second filtering hole 214.

In practical use, when the dishwasher is supplied with water, the water source injects water into the water storage chamber 110, the floating block 230 drives the first filter element 200 to float, the first end 211 extends out of the water discharge hole 100, and the first filter hole 213 is communicated with the third filter hole 310. A portion of the residue is intercepted by the third filtering holes 310 in the containing chamber. The rest part flows into the filter cavity 215 along with the water, and the second filter holes 214 intercept part of the residues in the filter cavity 215. The rest small residues can be broken by the drainage pump, and the drainage hole 100, a sewer and the like cannot be blocked. The user need only clean the filter chamber 215 periodically.

As shown in fig. 1, 3, 5 and 6, the second filter member 300 has a cylindrical structure; both ends of the second filter 300 are respectively communicated with the drain hole 100 and the accommodating chamber; so that the first filter member 200 can float up and down in the drain hole 100 and the second filter member 300.

As shown in fig. 1, 2, 5 and 6, the filter assembly further includes a mounting plate 400; the mounting plate 400 is mounted on the bottom wall of the inner container, the mounting plate 400 is provided with a sinking groove, and the bottom wall of the sinking groove is provided with a connecting hole 410; the connection hole 410 is communicated with the drain hole 100, and the first filter member 200 and the second filter member 300 pass through the connection hole 410 and are installed in the drain hole 100.

In this embodiment, the residue intercepted by the second filter 300 is entirely located on the mounting plate 400, which is convenient for the user to clean.

In practical use, the mounting plate 400 is detachably arranged on the bottom wall of the inner container, and after the dishwasher is shut down, a user takes down the mounting plate 400 and pours residues on the mounting plate 400.

The embodiment of the utility model also provides a dishwasher, which comprises the filter assembly in any embodiment.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the communication may be direct or indirect through an intermediate medium, or may be internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (18)

1. A filter assembly for a dishwasher comprises an inner container, wherein an accommodating cavity is formed in the inner container, a drain hole (100) is formed in the bottom wall of the inner container, and the drain hole (100) is communicated with the accommodating cavity; characterized in that said filter assembly comprises: a first filter member (200), the first filter member (200) being installed in the drain hole (100);

the first filter element (200) comprises a body (210), a first filter hole (213) is formed in the body (210), a filter cavity (215) communicated with the first filter hole (213) is formed in the body (210), and the body (210) can lift relative to the inner container along with the change of the water level in the water drain hole (100).

2. A filter assembly as claimed in claim 1, wherein the first filter member (200) is provided with a float (230);

and/or;

the density of the first filter element (200) is less than the density of water;

when the dishwasher is supplied with water, the body (210) extends out of the drain hole (100);

when the dishwasher is drained, the body (210) is retracted into the drain hole (100).

3. A filter assembly as claimed in claim 2, wherein the first filter element (200) further comprises a blocking portion;

the blocking part is connected with the body (210);

when the body (210) is retracted into the drain hole (100), the stopper closes the drain hole (100).

4. A filter assembly as claimed in claim 3, wherein the body (210) comprises first and second opposite ends (211, 212), the first end (211) being provided with a first filter aperture (213), the plug being provided at the first end (211);

the first end portion (211) is capable of extending or retracting the drain hole (100).

5. A filter assembly as claimed in claim 4, wherein the closure is an end cap (220) provided at the first end (211), the end cap (220) being capable of covering and sealing the drain hole (100).

6. The filter assembly according to claim 5, wherein the edge of the drain hole (100) is provided with a flange (120), and the edge of the end cap (220) overlaps the flange (120).

7. A filter assembly as claimed in claim 5, wherein the second end portion (212) is further provided, on a side wall thereof, with a second filter hole (214) communicating the drain hole (100) with the filter chamber (215).

8. A filter assembly as claimed in claim 7, wherein the area of the first filter aperture (213) is greater than the area of the second filter aperture (214).

9. The filter assembly of claim 7, wherein the body (210) further comprises a connection portion (216);

the two ends of the connecting part (216) are respectively connected with the first end part (211) and the second end part (212), the first end part (211) and the second end part (212) are coaxially arranged, and the inner diameter of the first end part (211) is larger than that of the second end part (212);

the connecting part (216) is provided with the second filtering hole (214).

10. The filter assembly according to claim 2, wherein a water storage cavity (110) is provided in the drain hole (100), the body (210) is located in the water storage cavity (110), and the water storage cavity (110) is communicated with a water source;

when the dishwasher is supplied with water, the water level in the water storage cavity (110) rises, and the body (210) extends out of the drain hole (100);

when the water level in the water storage cavity (110) is reduced after the water is drained from the dishwasher, the body (210) retracts into the drain hole (100).

11. The filter assembly of claim 4, wherein the float block (230) is mounted at the second end (212) or the float block (230) is mounted within the filter cavity (215).

12. The filter assembly according to claim 11, wherein the first filter member (200) further comprises a mounting bracket (240);

the floating block (230) is mounted to the second end (212) by the mounting bracket (240), or the floating block (230) is mounted within the filter cavity (215) by the mounting bracket (240).

13. The filter assembly of claim 10, further comprising a control;

the control element is used for controlling the water amount in the water storage cavity (110) to meet the floating requirement of the floating block (230).

14. A filter assembly as claimed in claim 7, further comprising a second filter element (300);

the second filter piece (300) is arranged at the outer edge of the drain hole (100), and a third filter hole (310) is formed in the side wall of the second filter piece (300);

when the dishwasher is supplied with water, the first end part (211) at least partially extends out of the drain hole (100), and the first filtering hole (213) and the third filtering hole (310) are communicated.

15. A filter assembly as claimed in claim 14, wherein the area of the third filter aperture (310) is smaller than the area of the first filter aperture (213), while the area of the third filter aperture (310) is larger than the area of the second filter aperture (214).

16. A filter assembly as claimed in claim 15, wherein the second filter member (300) is of cylindrical configuration;

two ends of the second filter piece (300) are respectively communicated with the drain hole (100) and the accommodating cavity;

the first filter member (200) floats up and down in the drain hole (100) and the second filter member (300).

17. The filter assembly of claim 16, further comprising a mounting plate (400);

the mounting plate (400) is mounted on the bottom wall of the inner container, the mounting plate (400) is provided with a sinking groove, and the bottom wall of the sinking groove is provided with a connecting hole (410);

the connection hole (410) is communicated with the drain hole (100), and the first filter member (200) and the second filter member (300) pass through the connection hole (410) and are installed in the drain hole (100).

18. A dishwasher, comprising a filter assembly as claimed in any one of claims 1 to 17.

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