Dish-washing machine filtering assembly and dish-washing machine

By designing a detachable coarse and fine filter structure, the problem of having to disassemble multiple parts simultaneously in existing dishwasher filter structures is solved, achieving the convenience of disassembling and cleaning the coarse filter separately and simplifying the operation.

CN223667909UActive Publication Date: 2025-12-16ZHEJIANG YOUJIA ELECTRIC APPLIANCES CO LTD
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Patent Information

Application Number
CN202520055035.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2025-12-16
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

The existing dishwasher filter structure requires the simultaneous disassembly of the planar filter, coarse filter, and fine filter, resulting in numerous disassembly parts, large size, and cumbersome operation. In particular, the coarse filter requires frequent cleaning, but the existing structure is not convenient for disassembly alone.

Method used

Design a dishwasher filter assembly in which the coarse filter and the fine filter are detachable. The coarse filter can be removed separately from the fine filter, and the flat filter screen can remain connected to the water cup, realizing separate disassembly and reducing the volume of each disassembly.

Benefits of technology

The removable coarse filter design makes it easy to clean the coarse filter separately, simplifies the operation process, reduces the disassembly volume, and improves the user experience.

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Abstract

The dish-washing machine filtering assembly comprises a fine filter and a coarse filter, the upper end of the fine filter is open, and at least part of the coarse filter extends into the fine filter; the fine filter comprises an upper supporting ring, the upper part of the upper supporting ring is fixedly connected with an upper filtering ring part, the upper end of the coarse filter is fixedly connected with two extension blocks, and the extension blocks can be respectively clamped with the inner circumference of the upper filtering ring part. According to the utility model, the coarse filter and the fine filter in the filter assembly are provided with detachable structures, so that the coarse filter can be independently detached from the interior of the fine filter, and the coarse filter can be conveniently and independently detached and cleaned.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a dish washing machine equipment, more particularly, relate to a dish washing machine filter assembly, further relate to a dish washing machine with the filter assembly BACKGROUND

[0002] At present, the dish washing machine generally has three filters, generally plane filter, coarse filter and fine filter, the plane filter is roughly planar structure, covers the upper portion of the water cup, has larger water area, the coarse filter and the fine filter are integrated structure. When disassembling, the coarse filter, the fine filter and the plane filter are disassembled simultaneously, the disassembled parts are more, and the volume is larger, and the operation is relatively troublesome.

[0003] In actual use, the main impurities are concentrated in the coarse filter, if there is a large piece of residue in tableware, it will directly react in the coarse filter, and frequent disassembly and cleaning are required. The residue in the fine filter is basically relatively small, and according to the actual use, cleaning can be carried out every month or every week, and the specific selection is carried out according to the use frequency of the dish washing machine. Overall, the frequency of cleaning the coarse filter is greater than that of the fine filter, and the filter structure of the current dish washing machine can only disassemble the plane filter, the coarse filter and the fine filter simultaneously, which is not conducive to the cleaning operation of the user.

[0004] Therefore, a new scheme needs to be proposed to solve the problem. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the deficiency of prior art, and provides a dish washing machine filter assembly and dish washing machine.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A dish washing machine filter assembly, comprising a fine filter and a coarse filter, the upper end of the fine filter is open, and at least part of the coarse filter extends into the fine filter. The fine filter comprises an upper support ring, and the upper part of the upper support ring is fixedly connected with an upper filter ring part. The upper end of the coarse filter is fixedly connected with two extension blocks, and can be respectively and mutually clamped with the inner periphery of the upper filter ring part.

[0008] The utility model is further provided with two extension blocks distributed on both sides of the upper end outer periphery of the fine filter, and the positions of the two extension blocks and the inner periphery of the upper filter ring part are separated by relatively pressing the two extension blocks.

[0009] The utility model is further provided with a clamping groove in the upper filter ring part, and a clamping block is fixedly connected with one side of the upper filter ring part, and the clamping block and the clamping groove are one-to-one corresponding and can be mutually clamped.

[0010] The utility model further sets up, the outer periphery fixed connection of extension block has locating block, the inner periphery of upper filter ring department forms and sets up locating step surface three to the up, the coarse filter extends into fine filter, and locating block and locating step surface three are opposite and realize the positioning.

[0011] The utility model further sets up, the upper end of upper filter ring department is provided with the notched part, the notched part and press part one to one correspond, the press part part embeds in the notched part.

[0012] The utility model further sets up, fine filter still includes lower support ring, lower support ring is located the downside of upper support ring, it is connected fixed through a plurality of connecting ribs between upper support ring and lower support ring, the clearance is formed between the connecting rib and passes through filter cover, the inner periphery of lower support ring also passes through filter screen cover.

[0013] The utility model also provides a kind of dishwasher, including inner container bottom plate, plane filter screen and dishwasher filter assembly as described above, the middle of the inner container bottom plate forms the water cup portion that is concave downward, the upper portion outer periphery of the water cup portion forms sink part, the bottom surface of sink part is inclined downward to the direction of water cup portion, the plane filter screen is embedded in the sink part, sink part is covered, the plane filter screen is provided with a plurality of filter holes three;The plane filter screen is provided with through hole, the through hole is opposite to water cup portion, part of the dishwasher filter assembly passes through through hole and extends into water cup portion.

[0014] The utility model further sets up, upper support ring is projected to the outer periphery of fine filter, the edge of the through hole is formed with locating step surface two, upper support ring and locating step surface two are opposite and realize the positioning;The inner wall of the water cup portion is fixedly connected with clamping part one, the lower part of fine filter is fixedly connected with clamping part two, clamping part one and clamping part two are mutually clamped and fixed.

[0015] The utility model further sets up, filter ring department is located the upside of plane filter screen, and is provided with a plurality of filter holes one.

[0016] The utility model further sets up, at least part of coarse filter extends into the downside of the plane filter screen.

[0017] Summarized above, the utility model has following beneficial effects:

[0018] By setting the detachable structure of the coarse filter and the fine filter in the filtering assembly, the coarse filter can be separately detached from the inside of the fine filter, and then the coarse filter can be conveniently separately disassembled and cleaned; when the coarse filter is detached, the fine filter can remain connected with the water cup, and the planar filter screen can be press-fitted at the bottom of the inner container, so that the filtering assembly can be disassembled in a split manner, the disassembly volume of the coarse filter in a single disassembly process is reduced, the user can conveniently disassemble and clean the coarse filter, and the user can conveniently use. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective view of a filtering assembly of a dish washing machine in the embodiment;

[0020] Figure 2 It is an exploded perspective view of a filtering assembly of a dish washing machine in the embodiment;

[0021] Figure 3 It is a sectional exploded view of a filtering assembly of a dish washing machine in the embodiment;

[0022] Figure 4 It is a structural schematic view of the fine filter and the coarse filter in the embodiment.

[0023] The reference signs are as follows: inner container bottom plate 1, water cup part 11, clamping part one 111, sink part 12, positioning step surface one 121;

[0024] Planar filter screen 2, filter hole three 20, through hole 21, positioning step surface two 211;

[0025] Fine filter 3, upper support ring 31, lower support ring 32, connecting rib 33, clamping ring part 34, clamping part two 341, upper filter ring part 35, filter hole one 351, positioning step surface three 36, clamping groove 37, notch part 38;

[0026] Coarse filter 4, filter hole two 41, extension block 42, positioning block 43, clamping block 44, pressing part 45. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] The embodiment discloses a filtering assembly of a dish washing machine, referring to Figures 1-4 The filtering assembly is installed at the bottom position of the inner container of the dish washing machine, and cooperates with the water cup and the planar filter screen 2 at the bottom of the inner container.

[0029] The filter assembly comprises a fine filter 3 and a coarse filter 4, the upper end of the fine filter 3 is open, and at least part of the coarse filter 4 extends into the fine filter 3. Generally, the fine filter 3 and the coarse filter 4 are both in a cylindrical structure, and the lower end is closed by a filter mesh structure, and the lower end is in an open state, and the coarse filter 4 extends into the open upper end of the fine filter 3 to form a mutual sleeve structure. When filtering water, water carrying residual debris enters from the upper part of the filter assembly, and flows out from the center to the outer periphery in the internal part of the filter assembly. The residual debris first passes through the coarse filter 4 for preliminary filtration, and the residual debris with a larger volume is blocked in the coarse filter 4, and then passes through the fine filter 3 for filtration, and the residual debris with a small particle size is blocked in the fine filter 3.

[0030] In order to facilitate the disassembly and assembly of the filter assembly, the fine filter 3 and the coarse filter 4 of the filter assembly are connected in a detachable structure. The coarse filter 4 is inserted into the fine filter 3 to be clamped to form a whole. When disassembled, the clamping structure can be unlocked, the coarse filter 4 can be disassembled alone, and then the fine filter 3 can be disassembled. The volume of a single part is reduced, and the disassembly and cleaning are facilitated.

[0031] Referring to Figure 2 , Figure 3 , Figure 4 , the fine filter 3 comprises an upper support ring 31 and a lower support ring 32, the lower support ring 32 is located below the upper support ring 31, and the upper support ring 31 and the lower support ring 32 are connected and fixed by a plurality of connecting ribs 33. The connecting ribs 33 form gaps and are covered by a filter, and the inner periphery of the lower support ring 32 is also covered by a filter mesh, so that a fine filter structure can be formed on the outer periphery and the bottom of the fine filter 3. The filter mesh is not shown in the figure.

[0032] An upper filter ring part 35 is fixedly connected to the upper part of the upper support ring 31, and the upper end of the coarse filter 4 is fixedly connected with two extension blocks 42 which can be clamped with the inner periphery of the upper filter ring part 35 respectively. Specifically, the two extension blocks 42 are distributed on both sides of the upper end of the fine filter 3, the extension blocks 42 and the coarse filter 4 are made of a plastic material which has a certain elastic deformation, and the two extension blocks 42 can be separated from the clamping position with the inner periphery of the upper filter ring part 35 by pressing the two extension blocks 42 relatively.

[0033] Specifically, the upper filter ring part 35 is provided with a clamping groove 37, and the side of the extension block 42 facing the upper filter ring part 35 is fixedly connected with a clamping block 44, the clamping block 44 corresponds to the clamping groove 37 one by one, and can be clamped with each other. The lower side of the clamping block 44 is inclined, and the thickness of the clamping block 44 protruding outward gradually decreases from top to bottom, forming an inclined guide transition structure, which can smoothly clamp the clamping block 44 into the clamping groove 37 and clamp and fix each other.

[0034] A positioning block 43 is fixedly connected to the outer periphery of the extension block 42, and an upward positioning step surface three 36 is formed on the inner periphery of the upper filtering ring part 35, and the surface of the positioning step surface three 36 is coplanar with the lower side of the clamping groove 37. The coarse filter 4 extends into the fine filter 3, the positioning block 43 abuts against the positioning step surface three 36 to achieve positioning, and meanwhile, the clamping block 44 is embedded into the clamping groove 37 to achieve mutual clamping and fixing, so that the coarse filter 4 can be stably clamped and installed in the fine filter 3.

[0035] A notch part 38 is formed on the upper end of the upper filtering ring part 35, and the notch part 38 corresponds to the pressing part 45 one by one, and the pressing part 45 is partially embedded into the notch part 38, so that the installation of the coarse filter 4 can be aligned, and the user can be facilitated to install. Moreover, an outward protruding protrusion is formed on the upper end of the pressing part 45, the protrusion is embedded into the notch part 38, so that a hanging structure can be formed. The protrusion and the clamping block 44 are in an up-down opposite state, and a plurality of positioning support points are formed in the circumferential direction and the up-down direction.

[0036] The embodiment also discloses a dish washing machine, referring to Figs. 1-8, Figure 1 , Figure 2 , Figure 3 The dish washing machine filtering assembly includes an inner container bottom plate 1, a plane filter screen 2, and the like, a water cup part 11 is formed in the middle of the inner container bottom plate 1 and is downwardly recessed, and the water cup part 11 is used for receiving washing water in the inner container of the dish washing machine.

[0037] A sink part 12 is formed on the upper part of the outer periphery of the water cup part 11, the bottom surface of the sink part 12 is inclined downward toward the water cup part 11, so that water can be inclined and guided to the water cup part 11. The plane filter screen 2 is embedded into the sink part 12 to cover the sink part 12, a positioning step surface one 121 is formed on the inner peripheral edge position of the sink part 12, the edge of the plane filter screen 2 abuts against the positioning step surface one 121 to achieve positioning. The surface of the plane filter screen 2 is substantially flush with the bottom surface of the inner container, and a plurality of filter holes three 20 are densely arranged on the surface of the plane filter screen 2, and only part of the filter holes three 20 are shown in the figure for illustration.

[0038] A through hole 21 is formed on the plane filter screen 2, the through hole 21 is opposite to the water cup part 11 in the up-down direction, and the through hole 21 is used for installing the filtering assembly. When installed, part of the dish washing machine filtering assembly extends into the water cup part 11 through the through hole 21, and the filtering assembly is clamped with the inner part of the water cup part 11, so that the installation of the filtering assembly can be achieved, and the plane filter screen 2 is pressed on the inner container bottom plate 1.

[0039] The filter ring 35 is located on the upper side of the flat filter screen 2 and has a number of filter holes 351. The diameter of the filter holes 351 is close to the diameter of the filter holes 41 of the coarse filter 4. This can form a raised annular filter structure on the upper side of the flat filter screen 2, which can block excessively large impurities at the outer periphery of the filter ring 35.

[0040] The upper support ring 31 protrudes outward from the outer periphery of the fine filter 3, and a positioning stepped surface 211 is formed on the edge of the through hole 21. The outer diameter of the protruding upper support ring 31 is matched with the contour of the positioning stepped surface 211, and the upper support ring 31 and the positioning stepped surface 211 are nested together to achieve positioning.

[0041] The inner wall of the water cup part 11 is fixedly connected to a first snap-fit ​​part 111, and the lower part of the fine filter 3 is fixedly connected to a second snap-fit ​​part 341. The first snap-fit ​​part 111 and the second snap-fit ​​part 341 are snap-fitted together. The first snap-fit ​​part 111 and the second snap-fit ​​part 341 are arranged along the axial direction. By rotating the fine filter 3 axially, the snap-fit ​​can be achieved, and conversely, by rotating in the opposite direction, the filter can be unlocked.

[0042] At least a portion of the coarse filter 4 extends into the lower part of the flat filter screen 2. The main filtration areas of both the fine filter 3 and the coarse filter 4 are concentrated in the lower part of the flat filter screen 2, enabling them to collect the filtered material.

[0043] During the washing process, the coarse filter will accumulate large particles of residue washed off the dishes. When a lot of residue accumulates, the user needs to remove both the coarse and fine filters to clean the residue from the coarse filter. Alternatively, the coarse filter can be removed separately to clean the residue, making it convenient for the user to disassemble and clean.

[0044] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A dishwasher filter assembly, characterized by, The fine filter (3) and the coarse filter (4) are arranged, the upper end of the fine filter (3) is open, and at least part of the coarse filter (4) extends into the fine filter (3); the fine filter (3) comprises an upper support ring (31), the upper part of the upper support ring (31) is fixedly connected with an upper filter ring part (35), the upper end of the coarse filter (4) is fixedly connected with two extension blocks (42), and the two extension blocks (42) can be respectively clamped with the inner circumferences of the upper filter ring part (35).

2. The dishwasher filter assembly of claim 1, wherein, The two extension blocks (42) are arranged on both sides of the upper end of the fine filter (3), and the two extension blocks (42) are separated from the positions of being clamped with the inner circumferences of the upper filter ring part (35) by pressing the two extension blocks (42) towards each other.

3. The dishwasher filter assembly of claim 1, wherein, The upper filter ring part (35) is provided with a clamping groove (37), and the side of the extension block (42) facing the upper filter ring part (35) is fixedly connected with a clamping block (44), the clamping block (44) corresponds to the clamping groove (37) one by one, and the clamping block (44) and the clamping groove (37) can be clamped with each other.

4. The dishwasher filter assembly of claim 1, wherein, The outer circumference of the extension block (42) is fixedly connected with a positioning block (43), the inner circumference of the upper filter ring part (35) is formed with an upwardly arranged positioning step surface three (36), the coarse filter (4) extends into the fine filter (3), and the positioning block (43) is positioned by abutting against the positioning step surface three (36).

5. The dishwasher filter assembly of claim 2, wherein, The upper end of the upper filter ring part (35) is provided with a notch part (38), the notch part (38) corresponds to a pressing part (45) one by one, and the pressing part (45) is partially embedded in the notch part (38).

6. The dishwasher filter assembly of claim 1, wherein, The fine filter (3) further comprises a lower support ring (32), the lower support ring (32) is located below the upper support ring (31), and the upper support ring (31) and the lower support ring (32) are fixedly connected through a plurality of connecting ribs (33); gaps are formed between the connecting ribs (33) and are covered by a filter, and the inner circumference of the lower support ring (32) is also covered by a filter.

7. A dishwasher, characterized in that The inner container bottom plate (1), the planar filter screen (2) and the dishwasher filter assembly of any one of claims 1-6 are arranged, the middle of the inner container bottom plate (1) is formed with a downwardly recessed water cup part (11), the upper part of the outer circumference of the water cup part (11) is formed with a sink part (12), the bottom surface of the sink part (12) is inclined downwardly towards the direction of the water cup part (11), the planar filter screen (2) is embedded in the sink part (12) to cover the sink part (12), and a plurality of filter holes three (20) are arranged on the planar filter screen (2); a through hole (21) is arranged on the planar filter screen (2), the through hole (21) is opposite to the water cup part (11) in the up-down direction, and part of the dishwasher filter assembly extends into the water cup part (11) through the through hole (21).

8. The warewash machine of claim 7, wherein, The upper supporting ring (31) protrudes to the outer periphery of the fine filter (3), the edge of the through hole (21) is formed with a positioning step surface two (211), and the upper supporting ring (31) is positioned by abutting against the positioning step surface two (211); the inner wall of the water cup part (11) is fixedly connected with a clamping part one (111), the lower part of the fine filter (3) is fixedly connected with a clamping part two (341), and the clamping part one (111) and the clamping part two (341) are clamped and fixed with each other. 9.The dish washer of claim 7, wherein The filter ring part (35) is located on the upper side of the plane filter screen (2) and is provided with a plurality of filter holes one (351). 10.The dish washer of claim 7, wherein At least part of the coarse filter (4) extends into the lower side of the plane filter screen (2).