CN117297482A - Filter assembly for dish washing machine and dish washing machine - Google Patents

Abstract

The invention relates to the technical field of dish washers, in particular to a filter assembly for a dish washer, and aims to solve the problem that food residues cannot be collected intensively due to the fact that the outer edges of inner and outer layers of filter pieces of the existing filter assembly are arranged in parallel. To this end, the filter assembly for a dishwasher of the present invention comprises: the outer filter piece and interior filter piece, outer filter piece is including thin filtration section of thick bamboo wall and the thick filter tube wall of setting in thin filtration section of thick bamboo wall top, still be provided with first well cutting arch in the inboard of thin filtration section of thick bamboo wall, interior filter piece is including well filtration section of thick bamboo wall, the inboard of well filtration section of thick bamboo wall still is provided with second well cutting arch, interior filter piece sets up the inboard of thin filtration section of thick bamboo wall at outer filter piece to the second well cutting arch is ridden on first well cutting arch, the top surface height of well filtration section of thick bamboo wall is less than the top surface height of thin filtration section of thick bamboo wall. The height difference design is favorable for carrying out concentrated collection treatment on food residues, and can also guide water flow to the middle filtering cylinder wall for filtering and then discharging outwards.

Description

Filter assembly for dish washing machine and dish washing machine

Technical Field

The invention relates to the technical field of dish washers, and particularly provides a filter assembly for a dish washer and the dish washer.

Background

Traditional filter generally includes inlayer filter and outer filter, and inlayer filter overlaps with outer filter and establishes and inlayer filter sets up with the outer parallel and level of outer filter, but this kind of setting can be in the collection in-process of food waste, and food waste is difficult to gather together, and food waste distributes in each position department of dish washer inner bag because of being difficult to gather, finally still can influence the follow-up cleaning to the inside of dish washer.

Accordingly, there is a need in the art for a new filter assembly for a dishwasher to solve the problem that the outer edge flush arrangement of the inner and outer filter elements of the existing filter assembly results in the inability to collect food waste in a concentrated manner.

Disclosure of Invention

The invention aims to solve the technical problems, namely the problem that food residues cannot be collected intensively due to the fact that the outer edges of the inner layer filter elements and the outer layer filter elements of the existing filter assembly are arranged in parallel.

In a first aspect, the present invention provides a filter assembly for a dishwasher, the filter assembly comprising an outer filter comprising a fine filter cartridge wall and a coarse filter cartridge wall disposed above the fine filter cartridge wall, a first mid-cut protrusion being further provided on an inner side of the fine filter cartridge wall, the inner filter comprising a mid-filter cartridge wall, a second mid-cut protrusion being further provided on an inner side of the mid-filter cartridge wall, the inner filter being disposed on an inner side of the fine filter cartridge wall of the outer filter, and the second mid-cut protrusion riding on the first mid-cut protrusion; the top surface of the middle filter cylinder wall is lower than the top surface of the thin filter cylinder wall.

In a preferred embodiment of the above-described filter assembly for a dishwasher, a rounded corner is also provided on the side of the filter opening of the coarse filter cartridge wall facing outwards.

In the preferable technical scheme of the filtering component for the dish washer, a circular rib is arranged above the wall of the coarse filtering cylinder, and the top surface of the circular rib is provided with an inclined surface which is inclined from outside to inside; and/or the number of the groups of groups,

the outer edge of the top surface of the middle filter cylinder wall is provided with an inclined surface which inclines from outside to inside.

In the above preferred technical scheme of the filter assembly for a dish washer, the top of the inner filter element is further provided with a clamping post, the clamping post is provided with a clamping joint, and correspondingly, the wall of the coarse filter cylinder of the outer filter is further provided with a clamping hole.

In the above preferred technical solution of the filter assembly for a dishwasher, a protruding pinching head is further provided at the top of the clamping post, and a pinching head receiving groove is correspondingly provided at the top of the outer filter.

In the preferred technical solution of the filter assembly for a dishwasher, the clamping posts are disposed at both sides of the second middle cutting protrusion.

In the preferable technical scheme of the filtering assembly for the dish washer, a side water outlet and a bottom water outlet are also arranged in the middle filtering cylinder wall.

In the preferred technical scheme of the filtering assembly for the dish washing machine, a crosspiece which is higher than the bottom surface is further arranged at the bottom of the middle filtering cylinder wall, so that a water outlet which enters from the side to the bottom and is discharged is formed.

In the preferred technical solution of the filtering assembly for a dishwasher described above, the size of the bottom water outlet is larger than the size of the side water outlet.

The invention also provides a dishwasher comprising a filter assembly for a dishwasher according to any one of the above-mentioned technical solutions.

As will be appreciated by those skilled in the art, the filter assembly for a dishwasher in the technical scheme of the present invention includes: the outer filter piece and interior filter piece, outer filter piece is including thin filtration section of thick bamboo wall and the thick filter tube wall of setting in thin filtration section of thick bamboo wall top, still be provided with first well cutting arch in the inboard of thin filtration section of thick bamboo wall, interior filter piece is including well filtration section of thick bamboo wall, the inboard of well filtration section of thick bamboo wall still is provided with second well cutting arch, interior filter piece sets up the inboard of thin filtration section of thick bamboo wall at outer filter piece to the second well cutting arch is ridden on first well cutting arch, the top surface height of well filtration section of thick bamboo wall is less than the top surface height of thin filtration section of thick bamboo wall.

Under the condition that the technical scheme is adopted, the height of the top surface of the middle filtering cylinder wall is set to be lower than that of the top surface of the fine filtering cylinder wall, the connecting part of the middle filtering cylinder wall and the fine filtering cylinder wall can be better plugged by utilizing the height difference, food residues can be better collected in a concentrated mode, in addition, water flow driving the food residues can be guided to enter the middle filtering cylinder wall for filtering, the rest food residues are discharged out of the dish washer after filtering, and the arrangement can effectively prevent the food residues from directly entering the fine filtering cylinder wall to plug water outlet holes of the fine filtering cylinder wall or plug a water outlet pipe.

Drawings

Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of the filter assembly of the present invention disposed on a lower sprayer base;

FIG. 2 is a side view of an inner filter element of the filter assembly of the present invention;

FIG. 3 is a bottom view of the inner filter element of the filter assembly of the present invention;

FIG. 4 is a side view of an outer filter element of the filter assembly of the present invention;

FIG. 5 is a bottom view of the outer filter element of the filter assembly of the present invention;

FIG. 6 is a side view of the connection of the inner filter element to the outer filter element of the filter assembly of the present invention;

FIG. 7 is a bottom view of the connection of the inner filter element and the outer filter element of the filter assembly of the present invention;

FIG. 8 is a schematic view of the filter screen of the filter assembly of the present invention in an installed position;

FIG. 9 is a cross-sectional view of the top surface of the fine filter cartridge wall and the top surface of the middle filter cartridge wall of the filter assembly of the present invention;

fig. 10 is a cross-sectional view of the connection structure of the lower sprayer base and the inner container of the invention.

List of reference numerals:

1. a filter assembly; 11. an outer filter; 111. a crude filtration cylinder wall; 1111. a filter hole; 1112. chamfering; 1113. a circular rib; 1114. a clamping hole; 1115. a pinching head accommodating groove; 112. a fine filter cartridge wall; 1121. a first center cut protrusion; 1122. the inner wall of the fine filter cylinder; 11221. a third side water outlet hole; 1123. a second bottom water outlet hole; 1124. a fourth side water outlet hole; 1125. a filter screen; 1126. a top surface of the fine filter cartridge wall; 12. an inner filter; 121. a middle filtering cylinder wall; 1211. a second center cut protrusion; 1212. the inner wall of the middle filtering cylinder wall; 12121. a first side water outlet hole; 1213. a second side water outlet hole; 1214. a first bottom water outlet hole; 1215. the top surface of the middle filter cylinder wall; 1216. a crosspiece; 122. a clamping column; 1221. a clamping joint; 1222. the protrusion is pinched; 2. a lower sprayer base; 21. a high step; 22. a low step; 23. sealing the bent edge; 3. a handle; 31. a large arc; 32. switch lock marks; 33. fixing the supporting ribs; 4. an inner container; 41. sealing ribs.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention. Those skilled in the art can adapt it as desired to suit a particular application.

It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.

As shown in fig. 1 to 10, in order to solve the problem that the food waste cannot be collected intensively due to the flush arrangement of the outer edges of the inner and outer filter members of the conventional filter assembly, the filter assembly for a dishwasher of the present invention is provided on the lower sprayer housing 2 as shown in fig. 1, the lower sprayer housing 2 is provided with a step having a low side and a high side, the filter assembly 1 is mounted on the low step, and the lower sprayer housing 2 is further provided with a sealing bent edge 23 as shown in fig. 10.

The lower sprayer base 2 is of a front-back flush structure or has a front-back inclination angle, but the inclination angle is very small, so that food residues are not easy to collect together by the design of the lower sprayer base 2, and are easy to disperse in various positions, and the lower sprayer base 2 is of a step-shaped structure, so that a sprayer (not shown in the figure) can slide downwards along the gradient from the high step 21 or move downwards under the scouring action of spraying water flow after washing food residues on tableware, and the food residues are collected and cleaned in the dish washer afterwards by the design of the invention to the position of the filter assembly 1 at the low step 22. In order to more conveniently collect food residues, the filter assembly 1 can be arranged at the lowest position on the low step 22, after the tableware is washed, the food residues on the high step 21 move to the low step 22, and the food residues on the low step 22 move to the filter assembly 1 along with washing water, so that the food residues are collected. In addition, still set up inner bag 4 on lower sprayer base 2, in order to make inner bag 4 and lower sprayer base 2 sealing connection, also in order to prevent simultaneously that tiny food waste like tiny spinach She Zhelei from entering between lower sprayer base 2 and inner bag 4, and along with the circumstances that rivers flow into the water pump and then secondary pollution tableware takes place, be provided with sealed bent edge 23 at lower sprayer base 2, and be provided with sealing rib 41 at the outer lane of inner bag 4, sealing rib 41 and sealed bent edge 23 cooperation setting have increased sealed effect, have effectively prevented tiny residue and have flowed back to the water pump along the gap of inner bag 4 and lower sprayer base 2, the tableware is polluted.

As shown in fig. 2 to 9, the filter assembly 1 includes an outer filter 11 and an inner filter 12, as shown in fig. 4 and 5, the outer filter 11 includes a fine filter cylinder wall 112 and a coarse filter cylinder wall 111 disposed above the fine filter cylinder wall 112, a first middle cut protrusion 1121 is further provided at an inner side of the fine filter cylinder wall 112, as shown in fig. 2 and 3, the inner filter 12 includes a middle filter cylinder wall 121, a second middle cut protrusion 1211 is further provided at an inner side of the middle filter cylinder wall 121, the inner filter 12 is disposed at an inner side of the fine filter cylinder wall 112 of the outer filter 11, and the second middle cut protrusion 1211 rides on the first middle cut protrusion 1121 (as shown in fig. 9).

After food residues are washed by the high step 21 to the low step 22 and then concentrated to the filter assembly 1, the upper part of the outer filter element 11 of the filter assembly 1 is provided with a coarse filter cylinder wall 111, the coarse filter cylinder wall 111 is provided with a large filter hole 1111, large food residues cannot pass through the filter hole 1111 due to oversized large food residues, so that the large food residues are blocked outside the filter assembly 1, at the moment, small and medium food residues enter the middle filter cylinder wall 121 of the inner filter element 12 through the filter hole 1111, the inner side of the middle filter cylinder wall 121 is also provided with a second middle cutting protrusion 1211, the left side and the right side of the second middle cutting protrusion 1211 are respectively connected with the bottom of the middle filter cylinder wall 121 to form a middle filter cylinder inner wall 1212, the middle filter cylinder inner wall 1212 is also provided with a first side water outlet 12121, the middle filter cylinder wall 121 is provided with a second side water outlet 1213 and a first bottom water outlet 1214, the medium-sized food residues are left in the middle filter cylinder wall 121 because the size is larger than the first side water outlet 12121, the second side water outlet 1213 and the first bottom water outlet 1214 of the middle filter cylinder wall 121, at this time, only the small-sized food residues are left to flow into the fine filter cylinder wall 112 from the first side water outlet 12121, the second side water outlet 1213 and the first bottom water outlet 1214 along with the water flow, the inner side of the fine filter cylinder wall 112 is further provided with a first middle cutting protrusion 1121, the left and right sides of the first middle cutting protrusion 1121 are respectively connected with the bottom of the fine filter cylinder wall 112 to form a fine filter cylinder inner wall 1122, the fine filter cylinder inner wall 1122 is provided with a third side water outlet 11221, the bottom of the fine filter cylinder wall 112 is provided with a second bottom water outlet 1123, the side of the fine filter cylinder wall 112 is provided with a fourth side water outlet 1124, as shown in fig. 6, 7, 8, the fine filter cylinder wall 112 is further provided with a filter screen 1125, the fine filter cylinder inner wall 1122 corresponding to the fine filter cylinder wall 112 is also provided with a filter screen 1125, that is, the third side water outlet hole 11221 and the fourth side water outlet hole 1124 are provided with the filter screen 1125, the water entering the fine filter cylinder wall 112 is filtered by the filter screen 1125, the filtered water flows into the return pipe (not shown in the figure) to be used as circulating water continuously, the small food residues filtered by the filter screen 1125 flow to the water outlet pipe (not shown in the figure) through the second bottom water outlet hole 1123 at the bottom of the fine filter cylinder wall 112, and finally are discharged to the outside of the dish washer along with the water in the water outlet pipe, wherein the filter screen 1125 is not provided on the second bottom water outlet 1123. The sizes of the filtering holes 1111, the first side water outlet 12121, the second side water outlet 1213, the first bottom water outlet 1214 and the second bottom water outlet 1123 are different, so that food residues with different sizes can be screened and concentrated, and the food residues are prevented from being blocked at the opening of the filtering assembly 1, so that the water flow discharge and the water recycling are affected. By arranging the first middle cutting protrusion 1121 and the second middle cutting protrusion 1211, two filtering surfaces, namely a middle filtering cylinder inner wall 1212 and a fine filtering cylinder inner wall 1122, are respectively added in the middle filtering cylinder wall 121 and the fine filtering cylinder wall 112, so that the filtering area is increased, meanwhile, the middle filtering cylinder inner walls 1212 on the left side and the right side of the second middle cutting protrusion 1211 respectively form filtering cavities (not shown) with the bottom and the side parts of the corresponding middle filtering cylinder wall 121, when one filtering cavity is blocked, the other filtering cavity can work, the working efficiency of the filtering assembly 1 is greatly increased, and the blocking risk of the filtering assembly 1 is greatly reduced. In addition, the two filter chambers (not shown) defined by the inner wall 1122 and the wall 112 of the fine filter cartridge are formed in the same manner as the filter chambers described above, and the arrangement of these two filter chambers also increases the working efficiency of the filter assembly 1 and reduces the risk of clogging the filter assembly 1.

As shown in fig. 4, a rounded corner 1112 is further provided on the side of the filter hole 1111 of the coarse filter cylinder wall 111 facing outward, a circular bead 1113 is provided above the coarse filter cylinder wall 111, the top surface of the circular bead 1113 is provided with a slope inclined from outside to inside (the arrow direction on the circular bead 1113 in fig. 4 is an inclined direction from outside to inside), as shown in fig. 9, the top surface 1215 of the middle filter cylinder wall 121 is lower in height than the top surface 1126 of the fine filter cylinder wall 112, and the outer edge of the top surface 1215 of the middle filter cylinder wall 121 is provided with a slope inclined from outside to inside.

The rounded corners 1112 disposed on the side of the filter hole 1111 of the coarse filter cylinder wall 111 facing to the outside can make food residues more easily enter the middle filter cylinder wall 121 along the filter hole 1111, in addition, the top surface 1215 of the middle filter cylinder wall 121 is set to be lower than the top surface 1126 of the fine filter cylinder wall 112 and the outer edge of the top surface 1215 of the middle filter cylinder wall 121 is set to be inclined surface inclined from the outside to the inside, firstly, the connection part of the middle filter cylinder wall 121 and the fine filter cylinder wall 112 can be better plugged, secondly, the height difference design is favorable for collecting the food residues intensively, and can better guide the water flow driving the food residues to enter the middle filter cylinder wall 121 firstly, and after the food residues are filtered by the middle filter cylinder wall 121, the water flows into the fine filter cylinder wall 112 to prevent the food residues from directly entering the fine filter cylinder wall 112, so as to prevent the discharge of the sewage from being blocked, and simultaneously, the large food residues are prevented from directly entering the fine filter cylinder wall 112 without the middle filter cylinder wall 121, and the water outlet pipe is blocked by the fourth side water outlet pipe 1124 and the second bottom water outlet pipe 1123. In addition, the top surface of the circular rib 1113 above the coarse filtering cylinder wall 111 is provided with an inclined surface inclined from outside to inside, so that the design of the inclined surface of the modeling top end of the filtering hole 1111 from outside to inside is ensured, that is, the part of the filtering hole 1111, which is firstly contacted with water flow, is the part with the largest cross section of the filtering hole 1111, and the arrangement mode is more beneficial to the flow of water so as to avoid water accumulation.

As shown in fig. 2 and 3, the top of the inner filter 12 is further provided with a clamping post 122, a clamping head 1221 is provided on the clamping post 122, a protruding pinching head 1222 is further provided on the top of the clamping post 122, correspondingly, as shown in fig. 4 and 5, a clamping hole 1114 is further provided on the coarse filter cylinder wall 111 of the outer filter, a pinching head accommodating groove 1115 is provided on the top of the outer filter, and the clamping posts 122 are provided on both sides of the second middle cutting protrusion 1211.

To facilitate the firm engagement of the inner filter element 12 to the outer filter element 11, the middle filter cartridge wall 121 of the inner filter element 12 is provided with an engagement post 122, and the engagement 1221 of the engagement post 122 is inserted into the engagement hole 1114 of the coarse filter cartridge wall 111, and at the same time, to prevent the risk of the protrusion pinching head 1222 at the top of the engagement post 122 being suspended outside and thereby broken, the top of the coarse filter cartridge wall 111 of the outer filter is provided with a pinching head receiving groove 1115 to receive the protrusion pinching head 1222. In order to make the clamping effect better, and simultaneously make the collection effect of food waste better, the clamping columns 122 are arranged at two sides of the second middle cutting protrusion 1211, so that food waste can be prevented from directly falling onto the second middle cutting protrusion 1211 from the filtering holes 1111 when entering the middle filtering cylinder wall 121 along with water flow, thereby influencing the collection and discharge of the food waste, and meanwhile, the two sides of the second middle cutting protrusion 1211 have higher strength, and the clamping columns 122 are arranged at two sides of the second middle cutting protrusion 1211, so that the connection stability of the inner filtering piece 12 can be ensured.

As shown in fig. 2, 3 and 9, the inside of the middle filter cylinder wall 121 is provided with a side water outlet, namely the second side water outlet 1213, a bottom water outlet, namely the first bottom water outlet 1214, and the inner wall 1212 of the middle filter cylinder is also provided with a first side water outlet 12121, and the bottom of the middle filter cylinder wall 121 is also provided with a ledge 1216 higher than the bottom surface, forming a water outlet for side entering the bottom to be discharged, preferably, the size of the bottom water outlet, namely the first bottom water outlet 1214, is larger than the size of the side water outlet, namely the first side water outlet 12121 or the second side water outlet 1213.

The ledge 1216 provided at the upper portion of the first bottom outlet hole 1214 may guide strip-shaped or sheet-shaped impurities such as potato chips, broad powder, etc. entering the middle filter cylinder wall 121 from the upper portion, not easily fall directly into the first side outlet hole 12121, the second side outlet hole 1213, or the first bottom outlet hole 1214, such residual food can be laterally inserted into a side inlet formed by the ledge 1216 and the bottom surface and then moved downward, so that it is discharged from the bottom of the ledge 1216, and in addition, the first bottom outlet hole 1214 of the bottom is sized larger than the first side outlet hole 12121 and the second side outlet hole 1213 of the side so that food residues are discharged from the bottom when it cannot be discharged from the side.

As shown in fig. 4 to 7, in a preferred embodiment, a handle 3 is further provided on the coarse filter cartridge wall 111, a large arc 31 is further provided between the handle 3 and the coarse filter cartridge wall 111, a switch lock mark 32 is further provided on the handle 3, and a fixing support rib 33 is further provided on the handle 3.

The setting of handle 3 makes the dismantlement of filter component 1 more convenient, and switch lock seal 32 then simpler has marked the dismantlement direction of filter component 1, makes handle 3 more convenient when using, satisfies the outside-in inclination of ring muscle 1113 equally in the large circular arc 31 between handle 3 and the thick filter cylinder wall 111, and the setting of large circular arc 31 can also increase the area of connection of handle 3 and thick filter cylinder wall 111 under the condition that does not influence the filtration pore 1111 work on the thick filter cylinder wall 111, still can make the joint strength of handle 3 and thick filter cylinder wall 111 higher when increasing the experience of holding. The fixing support rib 33 on the handle 3 plays a role of increasing the use strength of the handle 3 and preventing the handle 3 from being broken off when being rotated.

In summary, the lower sprayer base 2 is configured in a step-shaped structure, so that the sprayer can wash food residues on tableware and then slide downwards along the gradient from the high step 21 to the position of the filter assembly 1 at the low step 22, which is beneficial to the collection of food residues and the subsequent cleaning of the inside of the dish washer. In order to enable the inner container 4 to be in sealing connection with the lower sprayer base 2 and prevent fine food residues from entering between the lower sprayer base 2 and the inner container 4, a sealing bent edge 23 is arranged on the lower sprayer base 2, and sealing ribs 41 are arranged on the outermost ring of the inner container 4 in a matching manner. The sizes of the filter hole 1111, the first side water outlet 12121, the second side water outlet 1213, the first bottom water outlet 1214 and the second bottom water outlet 1123 on the filter assembly 1 are different, which is beneficial to screening and collecting different food residues, so that the food residues can be discharged out of the dishwasher while being prevented from blocking the opening of the filter assembly 1. The provision of the first and second slit protrusions 1121, 1211 increases the filtering area while reducing the risk of clogging of the filter assembly 1. The provision of the rounded corners 1112 can make it easier for food waste to enter the middle filter cylinder wall 121 along the filter holes 1111, set the top surface 1215 of the middle filter cylinder wall 121 to be lower than the top surface 1126 of the fine filter cylinder wall 112 and set the outer edge of the top surface 1215 of the middle filter cylinder wall 121 to be an inclined surface inclined from outside to inside, so as to better guide and drive the food waste to flow into the fine filter cylinder wall 112, prevent the food waste from blocking the fourth side water outlet holes 1124 and the second bottom water outlet holes 1123 or blocking the water outlet pipes, set the top surface of the circular rib 1113 above the coarse filter cylinder wall 111 to be an inclined surface inclined from outside to inside, and facilitate the flow of sewage to avoid water accumulation. The ledge 1216 provided at the upper portion of the first bottom outlet hole 1214 may guide the strip-shaped or sheet-shaped impurities entering the middle filter cartridge wall 121 from the upper portion to move downward, thereby allowing food waste to enter from the side of the ledge 1216 and be discharged from the bottom, the first bottom outlet hole 1214 having a size larger than the first and second side outlet holes 12121 and 1213 of the side may allow food waste to be discharged from the bottom when it cannot be discharged from the side, and the handle 3 may be provided to facilitate the removal of the filter assembly 1.

It should be noted that the above-mentioned embodiments are merely for illustrating the principles of the present invention, and are not intended to limit the scope of the invention, and those skilled in the art can modify the above-mentioned structure to apply the present invention to more specific application scenarios without departing from the principles of the present invention.

The invention furthermore provides a dishwasher having a filter assembly for a dishwasher as described in any of the embodiments above.

Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will fall within the scope of the present invention.

Claims (10)

1. A filter assembly for a dishwasher, characterized in that the filter assembly comprises an outer filter element and an inner filter element, the outer filter element comprises a fine filter cylinder wall and a coarse filter cylinder wall arranged above the fine filter cylinder wall, a first middle cutting protrusion is further arranged on the inner side of the fine filter cylinder wall, the inner filter element comprises a middle filter cylinder wall, a second middle cutting protrusion is further arranged on the inner side of the middle filter cylinder wall, the inner filter element is arranged on the inner side of the fine filter cylinder wall of the outer filter element, and the second middle cutting protrusion rides on the first middle cutting protrusion; the top surface of the middle filter cylinder wall is lower than the top surface of the thin filter cylinder wall.

2. The filter assembly for a dishwasher according to claim 1, characterized in that a rounded corner is also provided on the side of the filter opening of the coarse filter cartridge wall facing outwards.

3. The filter assembly for a dishwasher of claim 1, wherein a circular bead is provided above the cartridge wall, the top surface of the circular bead being provided as an inclined surface inclined from the outside to the inside; and/or the number of the groups of groups,

the outer edge of the top surface of the middle filter cylinder wall is provided with an inclined surface which inclines from outside to inside.

4. The filter assembly for a dishwasher according to claim 1, wherein the top of the inner filter element is further provided with a snap-in post, on which a snap-in fitting is provided, and correspondingly on the coarse filter cartridge wall of the outer filter.

5. The filter assembly for a dishwasher of claim 4, further comprising a raised nipple at the top of the snap post, and a nipple receiving slot at the top of the outer filter, respectively.

6. The filter assembly for a dishwasher of claim 4, wherein the snap posts are disposed on both sides of the second mid-cut protrusion.

7. The filter assembly for a dishwasher of claim 1, wherein a side water outlet and a bottom water outlet are also provided in the interior of the middle filter cartridge wall.

8. The filter assembly for a dishwasher of claim 7, wherein a ledge is further provided at the bottom of the middle filter cartridge wall above the bottom surface, forming a water outlet laterally into the bottom discharge.

9. The filter assembly for a dishwasher of claim 7, wherein the bottom water outlet has a size greater than the side water outlet.

10. A dishwasher, characterized in that the dishwasher is provided with a filter assembly for a dishwasher as claimed in any one of claims 1-9.