CN212440297U - Filter assembly and washing device - Google Patents

Abstract

The utility model provides a filtering component and a washing device, relating to the technical field of washing machines or cleaning machines, wherein the filtering component comprises a primary filter, a secondary filter and a tertiary filter; the primary filter is provided with a first accommodating cavity, a primary filtering upper hole and a drain hole are formed in the primary filter, and the primary filtering upper hole and the drain hole are communicated with the first accommodating cavity; the secondary filter is arranged in the first accommodating cavity; the third-stage filter is detachably connected to the drain hole; at least part of water flows through the upper hole of the first-stage filter, the second-stage filter and the third-stage filter and is discharged after being filtered. The washing device includes a filter assembly. Through this filtering component, the technical problem that the residue on the filter after filtration of the dishwasher in the prior art is inconvenient to clean is solved.

Description

Filter assembly and washing device

Technical Field

The utility model belongs to the technical field of washing machine or cleaning machine technique and specifically relates to a filtering component and washing device are related to.

Background

A dishwasher is a machine that can achieve automatic washing. The existing dish washer is usually used for washing tableware such as bowls, chopsticks, dishes, knives and forks, and can also be used for washing foods such as vegetables, fruits and the like. In the actual use process, tableware or food is put into the dish-washing machine and started, the dish-washing machine can automatically complete the cleaning work, and a user can complete the cleaning work only by simply operating the button. Furthermore, the dishwasher is generally provided with a water circulation system, the washing water can be continuously recycled, and only 10 liters of water is needed for completing one washing operation.

The existing dish washer includes a plane filter screen, a fine filter and a coarse filter, and when washing dishes or food, washing water in the dish washer is directly discharged through a drain pump after the coarse filter. However, during this process, the residue on the coarse filter accumulates and is not easily cleaned.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a filtering component and washing device to alleviate the technical problem that the residue of dish washer after the filtration on the filter is not convenient for clear up among the prior art.

In a first aspect, an embodiment of the present invention provides a filter assembly, including: a primary filter, a secondary filter and a tertiary filter.

The primary filter is provided with a first accommodating cavity, a primary filtering upper hole and a drain hole are formed in the primary filter, and the primary filtering upper hole and the drain hole are communicated with the first accommodating cavity; the secondary filter is arranged in the first accommodating cavity; the three-stage filter is detachably connected to the drain hole.

At least part of water flows through the upper hole of the primary filter, the secondary filter and the tertiary filter and is discharged after being filtered.

Further, the secondary filter and the tertiary filter are arranged up and down.

The third-stage filter is embedded in the drain hole and is clamped with the second-stage filter.

Further, tertiary filter includes the cambered surface body, the cambered surface body is sunken to the direction that is kept away from secondary filter, be equipped with tertiary filtration pore on the cambered surface body.

Furthermore, the cambered surface body epirelief is equipped with many spliced poles, be equipped with the trip on the spliced pole, the trip with the bottom joint of secondary filter.

Furthermore, the cambered surface body is a hemispherical body, and the diameter of the hemispherical body is larger than the aperture of the drain hole, so that the hemispherical body is clamped in the drain hole.

The opening of the hemispherical body faces the secondary filter.

Further, the secondary filter comprises a second body, the second body is provided with a second containing cavity with an open upper end, and the open edge is tightly abutted to the inner wall of the first containing cavity.

And a secondary filter hole is formed in the side wall of the second body, a water flow channel is arranged between the secondary filter and the primary filter, and the water flow channel is communicated with the secondary filter hole and the tertiary filter respectively.

Further, the second body includes column section and back taper flaring section, back taper flaring section connect in the upper end of column section, the upper end edge of back taper flaring section with the inner wall in first holding chamber closely offsets.

The second-stage filtering holes are formed in the columnar section.

Further, the filter assembly further comprises a plane filter screen.

The plane filter screen is fixedly sleeved on the primary filter.

Furthermore, the plane filter screen is inwards sunken to be provided with a concave table, and the bottom surface of the concave table is provided with a mounting hole for sleeving the primary filter.

The primary filter comprises a cylindrical first body, a flange portion is arranged on the outer peripheral surface of the first body along the radial direction of the first body, and the flange portion is clamped on the concave platform.

Furthermore, a first-stage filtering lower hole is further formed in the first-stage filter, and the first-stage filtering upper hole and the first-stage filtering lower hole are formed in the plane filter screen to separate the water flow inlet.

And part of water flows through the plane filter screen, the first-stage filtering lower hole and the third-stage filter and then is discharged.

Has the advantages that:

the utility model provides a filtering component, which comprises a primary filter, a secondary filter and a tertiary filter; the first-stage filter is provided with a first accommodating cavity, the second-stage filter is arranged in the first accommodating cavity, and the third-stage filter is detachably connected with the drain hole; on the other hand, the three-stage filter is detachably connected with the drain hole, residues filtered by the three-stage filter can be accumulated on the three-stage filter, and the three-stage filter is detachably connected with the drain hole, so that when the three-stage filter needs to be cleaned, the residues accumulated on the three-stage filter can be cleaned by detaching the three-stage filter, and the purpose of cleaning is achieved. In addition, the filtering component can ensure that washing water is filtered for many times, so that larger residues can be filtered, the residues are not easy to block, and the effect of smooth drainage is achieved.

In a second aspect, an embodiment of the present invention provides a washing device, including: a sump and a filter assembly according to any of the preceding embodiments.

The water tank comprises a tank bottom, and the tank bottom is sunken downwards to form a groove.

The plane filter screen is erected at the notch of the groove.

The primary filter protrudes downwards from the notch of the groove to the plane filter screen and is connected with the water tank.

The drain hole is used for communicating with the outside of the water tank.

Has the advantages that:

the utility model provides a washing device includes above-mentioned filter assembly, and from this, technical advantage and effect that this washing device reached include technical advantage and effect that filter assembly reached equally, and here is no longer repeated.

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 embodiments or the technical solutions in 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 for those skilled in the art, other drawings can be obtained according to these drawings 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 exploded view of a filter assembly according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a filter assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a three-stage filter in a filtering assembly according to an embodiment of the present invention;

fig. 5 is a schematic view of a connection structure between the filtering assembly and the water tank according to an embodiment of the present invention.

Icon:

100-plane filter screen; 110-concave stage; 111-mounting holes;

200-a first filter; 210-primary filtration upper hole; 220-a drain hole; 230-a flange portion;

300-a secondary filter; 310-column section; 320-an inverted conical flared section; 311-secondary filter pores;

400-three-stage filter; 410-three-stage filter holes; 420-connecting column;

500-a water tank; 510-grooves.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Examples

The present embodiment provides a filter assembly, as shown in fig. 1 to 3, the filter assembly includes a primary filter 200, a secondary filter 300, and a tertiary filter 400; the primary filter 200 is provided with a first accommodating cavity, the primary filter 200 is provided with a primary filtering upper hole 210 and a water discharging hole 220, and the primary filtering upper hole 210 and the water discharging hole 220 are both communicated with the first accommodating cavity; the secondary filter 300 is arranged in the first accommodating cavity; the tertiary filter 400 is detachably connected to the drain hole 220; at least a part of water is filtered and discharged through the first filtering upper hole 210, the second filter 300 and the third filter 400.

The filtering assembly provided by the present embodiment includes a primary filter 200, a secondary filter 300, and a tertiary filter 400; on one hand, at least part of water flows through the upper primary filtering hole 210, the secondary filter 300 and the tertiary filter 400 and is then discharged, so that the tertiary filtration can be realized; on the other hand, the third filter 400 is detachably connected to the drain hole 220, and the residue filtered by the third filter 400 is accumulated on the third filter 400, and since the third filter 400 is detachably connected to the drain hole 220, when cleaning is required, the residue accumulated on the third filter 400 can be cleaned by detaching the third filter 400, thereby achieving the purpose of cleaning. In addition, the filtering component can ensure that washing water is filtered for many times, so that larger residues can be filtered, the residues are not easy to block, and the effect of smooth drainage is achieved.

Further, the secondary filter 300 and the tertiary filter 400 are arranged up and down; the third filter 400 is inserted into the water discharge hole 220 and is engaged with the second filter 300.

In this embodiment, with reference to fig. 3 and 4, the third-stage filter 400 includes an arc body, the arc body is recessed toward a direction away from the second-stage filter 300, and the arc body is provided with a third-stage filtering hole 410, wherein the arc body is configured to allow small residues in the water to flow out more easily.

Optionally, the shape of the tertiary filter holes 410 may not be limited, for example, the tertiary filter holes 410 are rectangular-like holes or circular holes.

Specifically, a plurality of connecting columns 420 are convexly arranged on the cambered surface body, and clamping hooks are arranged on the connecting columns 420 and are clamped with the bottom of the secondary filter 300; specifically, the bottom of the secondary filter 300 may be provided with a slot matched with the hook.

Further, referring to fig. 3, the cambered surface body is a hemispherical body, and the diameter of the hemispherical body is larger than the aperture of the drainage hole 220, so that the hemispherical body is clamped in the drainage hole 220; the opening of the hemispherical body is directed toward the secondary filter 300.

On the basis of the above embodiment, referring to fig. 3, the secondary filter 300 includes a second body having a second receiving cavity with an open upper end, and the edge of the open upper end is tightly abutted against the inner wall of the first receiving cavity; the side wall of the second body is provided with a secondary filtering hole 311, a water flow channel is arranged between the secondary filter 300 and the primary filter 200, and the water flow channel is respectively communicated with the secondary filtering hole 311 and the tertiary filter 400.

The "water flow passage" mentioned above refers to an annular region between the outer peripheral side of the secondary filter 300 and the inner peripheral side of the primary filter 200 as shown in fig. 3.

In some embodiments, the secondary filtering holes 311 are uniformly distributed along the circumferential direction of the second body, so that the water flows outwards from the circumferential direction of the second body into the water flow channel, then converges to the tertiary filter 400 located at the middle part, and finally is filtered by the tertiary filter 400 and discharged.

Alternatively, the shape of the secondary filter holes 311 may not be limited, for example, the secondary filter holes 311 may be rectangular-like holes or circular holes.

Further, referring to fig. 3, the second body includes a cylindrical section 310 and an inverted conical flared section 320, the inverted conical flared section 320 is connected to the upper end of the cylindrical section 310, and the edge of the upper end of the inverted conical flared section 320 is tightly abutted to the inner wall of the first receiving cavity; the secondary filtering holes 311 are arranged on the columnar section 310; this arrangement enables the water to enter through the primary filter up hole 210, be filtered through the secondary filter 300, and exit through the secondary filter hole 311.

Further, referring to fig. 1 and 2, the filter assembly further includes a planar filter screen 100; the planar filtering net 100 is fixedly sleeved on the primary filter 200.

Specifically, the pore diameter of the primary filtering upper pore 210 is not greater than the pore diameter of the secondary filtering pore of the secondary filter 300, and both the pore diameter of the primary filtering upper pore 210 and the pore diameter of the secondary filtering pore 311 of the secondary filter 300 are greater than the pore diameter of the tertiary filtering pore of the tertiary filter 400; at least a portion of the water is discharged after passing through the first-stage filtering upper hole 210, the second-stage filter 300, and the third-stage filter 400.

The mesh size of the planar filtering net 100 can be set according to the requirement, for example, the mesh size of the planar filtering net 100 is equal to the pore size of the primary filtering upper hole 210.

The plane filtering net 100 is fixedly sleeved on the primary filter 200 and can adopt various forms, for example, when the plane filtering net 100 is sleeved on the primary filter 200, the plane filtering net is also clamped with the primary filter 200; or, the plane filtering net 100 is sleeved on the first-stage filter 200 and is clamped with a water tank in the washing device.

In some embodiments, referring to fig. 2, the planar filter screen 100 has a concave 110 inwardly, and a bottom surface of the concave 110 is provided with a mounting hole 111 for sleeving the primary filter 200; the primary filter 200 includes a cylindrical first body, a flange part 230 is provided on the outer circumferential surface of the first body along the radial direction thereof, and the flange part 230 is engaged with the recess 110; the flange 230 is engaged with the recess 110, so that the planar filter 100 and the primary filter 200 can be mounted in a limited manner, and the two filters can be mounted more conveniently.

Alternatively, the cross-sectional shape of the first body may be circular or rectangular, etc. In this embodiment, the cross-sectional shape of the first body is circular.

Specifically, with continued reference to fig. 2, the primary filter 200 has a substantially cylindrical shape, and the flange 230 is disposed on the outer circumferential surface of the cylindrical shape and disposed around the cylindrical shape.

In this embodiment, referring to fig. 3, a first-stage filter lower hole (not shown) is further formed on the first-stage filter 200, and the first-stage filter upper hole 210 and the first-stage filter lower hole separate the water inlet by the planar filter screen 100; part of the water flows through the flat filter screen 100, the first-stage filter lower hole and the third-stage filter 400 and is discharged.

It should be noted that, the planar filtering net 100 is provided with meshes, a part of the water flow can flow into the first-stage filtering upper hole 210, and another part of the water flow can flow into the first-stage filtering lower hole, that is, the water flow can be divided into two parts and discharged after passing through the third-stage filter 400 according to different paths.

Wherein, the upper hole 210 of the first stage filter is opened on the upper side of the flange part 230, and the lower hole of the first stage filter is opened on the lower side of the flange part 230; optionally, the shape of the first-stage filtering lower hole is not limited, for example, the second-stage filtering hole 311 may be a rectangular-like hole or a circular hole, and the size of the hole may be equal to the size of the first-stage filtering upper hole 210.

The working process of the filter assembly is as follows:

after filtering larger residues from a part of washing water in the washing device through the primary filtering upper hole 210, allowing the part of washing water to enter the secondary filter 300, filtering primary residues through the secondary filter 300, allowing the part of washing water to flow to the tertiary filter 400 through the secondary filtering hole 311, filtering the larger residues through the tertiary filter 400 after the third filtering, and directly discharging the smaller residues through a drainage pump;

meanwhile, after the other part of the water flows through the plane filter screen 100 to filter out large residues, the water flows through the first-stage filter bottom hole to filter the residues once and then flows to the third-stage filter 400, the water is filtered out by the third-stage filter 400 for the third time, and the small residues are directly discharged by the drainage pump.

The present embodiment further provides a washing apparatus, referring to fig. 5, which includes a water tank 500 and the filtering assembly in the above embodiment; the water tank 500 includes a tank bottom recessed downward to form a trough 510; the plane filter screen 100 is erected at the notch of the groove 510; the primary filter 200 protrudes downwards from the opening of the groove 510 to the plane filter screen 100 and is connected with the water tank 500; the drain hole 220 is for communication with the outside of the water tank 500.

Referring to fig. 5, a gap is left between the primary filter 200 and the sidewall of the groove 510 for allowing the water filtered by the planar filter 100 to flow to the primary filter bottom hole.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (11)

1. A filter assembly, comprising: a primary filter (200), a secondary filter (300), and a tertiary filter (400);

the primary filter (200) is provided with a first accommodating cavity, a primary filtering upper hole (210) and a water discharging hole (220) are formed in the primary filter (200), and the primary filtering upper hole (210) and the water discharging hole (220) are communicated with the first accommodating cavity; the secondary filter (300) is arranged in the first accommodating cavity; the three-stage filter (400) is detachably connected to the drain hole (220);

at least part of water flows through the primary filtering upper hole (210), the secondary filter (300) and the tertiary filter (400) and is discharged after being filtered.

2. The filter assembly according to claim 1, wherein the secondary filter (300) is arranged above the tertiary filter (400);

the third-stage filter (400) is embedded in the drain hole (220) and is clamped with the second-stage filter (300).

3. The filter assembly of claim 2, wherein the tertiary filter (400) comprises a cambered body which is concave in a direction away from the secondary filter (300), and wherein the cambered body is provided with tertiary filter holes (410).

4. The filter assembly according to claim 3, wherein a plurality of connecting posts (420) are protruded from the cambered body, and hooks are arranged on the connecting posts (420) and are clamped with the bottom of the secondary filter (300).

5. The filter assembly according to claim 4, wherein the cambered surface body is a hemispherical body, and the diameter of the hemispherical body is larger than the pore diameter of the drainage hole (220), so that the hemispherical body is clamped in the drainage hole (220);

the opening of the hemispherical body faces the secondary filter (300).

6. The filter assembly according to claim 1, wherein the secondary filter (300) comprises a second body having a second housing cavity open at an upper end, the open edge being in close abutment with an inner wall of the first housing cavity;

and a secondary filtering hole (311) is formed in the side wall of the second body, a water flow channel is arranged between the secondary filter (300) and the primary filter (200), and the water flow channel is communicated with the secondary filtering hole (311) and the tertiary filter (400) respectively.

7. The filtering assembly according to claim 6, wherein the second body comprises a cylindrical section (310) and a reverse tapered flared section (320), the reverse tapered flared section (320) is connected to the upper end of the cylindrical section (310), and the edge of the upper end of the reverse tapered flared section (320) is tightly abutted against the inner wall of the first accommodating cavity;

the secondary filtering hole (311) is arranged on the columnar section (310).

8. A filter assembly as claimed in any one of claims 1 to 7, further comprising a planar filter screen (100);

the plane filter screen (100) is fixedly sleeved on the primary filter (200).

9. The filtering assembly according to claim 8, wherein the planar filtering net (100) is recessed with a concave platform (110), and a bottom surface of the concave platform (110) is provided with a mounting hole (111) for sleeving the primary filter (200);

the primary filter (200) comprises a cylindrical first body, a flange part (230) is arranged on the outer peripheral surface of the first body along the radial direction of the first body, and the flange part (230) is clamped on the concave platform (110).

10. The filter assembly according to claim 8, wherein the primary filter (200) is further provided with a primary filter lower hole, and the primary filter upper hole (210) and the primary filter lower hole separate the water flow inlet through the planar filter screen (100);

and part of water flows through the plane filter screen (100), the first-stage filtering lower hole and the third-stage filter (400) and then is discharged.

11. A washing apparatus, comprising: a water tank (500) and a filter assembly according to any one of claims 8-10;

the water tank (500) comprises a tank bottom which is downwards sunken to form a groove (510);

the plane filter screen (100) is erected at the notch of the groove (510);

the primary filter (200) protrudes downwards from the notch of the groove (510) to the plane filter screen (100) and is connected with the water tank (500);

the drain hole (220) is used for communicating with the outside of the water tank (500).

Images