CN217659733U

CN217659733U - Dish washing machine

Info

Publication number: CN217659733U
Application number: CN202220983687.5U
Authority: CN
Inventors: 田乐; 朴晶兰; 金波; 莫建刚; 周进斌; 李国良; 赵成英
Original assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-10-28
Anticipated expiration: 2032-04-26

Abstract

The utility model discloses a dish-washing machine, dish-washing machine is including catchmenting cup, first filter and second filter. The water collecting cup comprises a filter cavity, and a washing pump water inlet is formed in the side wall of the filter cavity; the first filter is arranged in the filter cavity, is arranged in an annular shape and is arranged at intervals with the side wall of the filter cavity; the second filter is arranged between the first filter and the side wall of the filter cavity and used for filtering water flowing to the water inlet of the washing pump. The utility model discloses dish washer has simple structure, the practicality is strong, can solve the user effectively and get into the spray arm and block up the orifice to the orifice under the condition to first filter installation mistake or installation not in place, improves dish washer's washing ability.

Description

Dish washing machine

Technical Field

The utility model relates to a life electrical apparatus technical field, in particular to dish washer.

Background

The washing process of a dishwasher is generally divided into three phases: prewashing, main wash, rinsing, thereby its theory of operation all is through washing pump suction washing filtration water back through spray arm rotatory injection to the tableware wash, and wherein, filtration system plays crucial effect to the washing effect and the user experience of dish washer.

In the correlation technique, the washing water of dish washer is usually pumped into the spray arm through the water pump and is sprayed, and after the dish washer long-time operation, filtration pieces such as cylinder filter screen need wash to guarantee the whole cleaning cleanliness factor of dish washer. However, when a user detaches the filter elements such as the cylindrical filter screen and cleans the filter elements, the filter elements may be mounted incorrectly or not in place. Thereby lead to the dish washer when operation once more large granule food waste can flow whole waterway system and shine into the jam to spray arm, orifice, and then influence the rotational speed and the injection of spray arm and make the whole cleaning cleanliness factor of dish washer decline.

The above is only for the purpose of assisting understanding of the technical solution of the present invention, and does not represent an admission that the above is the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dish washer aims at solving because the cylinder filters the piece installation mistake or not in place, leads to large granule food waste to get into waterway system and shines into the technical problem who blocks up to spray arm, orifice.

To achieve the above object, the present invention provides a dishwasher including: the water collecting cup comprises a filter cavity, and a washing pump water inlet is formed in the side wall of the filter cavity;

the first filter is arranged in the filter cavity, is arranged in an annular shape and is arranged at intervals with the side wall of the filter cavity; and

and the second filter is arranged between the first filter and the side wall of the filter cavity and is used for filtering the water flowing to the water inlet of the washing pump.

In one embodiment, the second filter is attached to a side wall of the filter chamber.

In one embodiment, the second filter comprises a filter element, the filter element being located at the water inlet of the washing pump.

In one embodiment, the filter member is disposed in an arc shape convex toward a side away from the first filter.

In an embodiment, the filtering element is a filtering net, the filtering net is provided with a first filtering hole, and the aperture of the first filtering hole is smaller than that of a spray hole on a spray arm of the dishwasher.

In one embodiment, the sum of the flow areas of all the first filtering holes is greater than or equal to the flow area of the washing pump water inlet.

In one embodiment, the second filter includes a filter element and a mounting bracket that is closed to form a frame for receiving the filter element, the filter element being attached to the mounting bracket.

In an embodiment, the filtering member is a filtering net, a first filtering hole is formed in the filtering net, a second filtering hole is formed in the mounting bracket, and the aperture of each of the first filtering hole and the second filtering hole is smaller than the aperture of a spraying hole in a spraying arm of the dishwasher.

In one embodiment, the sum of the flow areas of all the first filtering holes and all the second filtering holes is greater than or equal to the flow area of the washing pump water inlet.

In one embodiment, the second filter is injection molded integrally with the water collection cup.

In one embodiment, the first filter is a cylindrical filter, and the cylindrical filter is annularly arranged.

In one embodiment, the filter screen and the mounting bracket are integrally injection molded.

In one embodiment, the second filter is removably attached to the water collection cup.

In one embodiment, the second filter is fixedly connected with the water collecting cup in an inserting mode.

In an embodiment, the second filter includes a mounting bracket, the mounting bracket is provided with a buckle, a slot is formed in a wall of the filter cavity, the slot extends along an axial direction of the filter cavity, the mounting bracket is inserted into the slot from a cavity opening of the filter cavity to a cavity bottom of the filter cavity, and the buckle is clamped on a hole wall of the water inlet of the washing pump.

The utility model discloses dish washer is including catchmenting cup, first filter and second filter. The water collecting cup comprises a filter cavity, and a washing pump water inlet is formed in the side wall of the filter cavity; the first filter is arranged in the filter cavity, is arranged in an annular shape and is arranged at intervals with the side wall of the filter cavity; the second filter is arranged between the first filter and the side wall of the filter cavity and is used for filtering water flowing to the water inlet of the washing pump. This application is through first filter with set up between the filter chamber lateral wall the second filter to the convection current is through the water of washing pump water inlet filters, in order to prevent first filter and/or the large granule food waste passes through washing pump water inlet entering spray arm under the condition that the user's installation is wrong or the installation is not in place, in order to cause the jam to the orifice. The reliability of the dishwasher and the service life of the dishwasher can be effectively improved.

Drawings

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

FIG. 1 is a schematic structural view of an embodiment of a dishwasher of the present invention;

FIG. 2 is a partial cross-sectional view of FIG. 1;

FIG. 3 is a schematic diagram of an embodiment of the second filter of FIG. 1;

FIG. 4 is a schematic structural view of another embodiment of the second filter of FIG. 1;

FIG. 5 is a schematic structural view of another embodiment of the dishwasher of the present invention;

FIG. 6 is a schematic structural view of the water collection cup of FIG. 5;

FIG. 7 is a schematic view of the dishwasher of FIG. 5 from another perspective;

fig. 8 is a schematic view of the mounting bracket of fig. 5.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a dish washing machine.

In the embodiment of the present invention, as shown in fig. 1 to 3, the dishwasher 10 includes a water collecting cup 11, a first filter 12 and a second filter 13, the water collecting cup 11 includes a filter chamber 111, and a washing pump water inlet 112 is opened on a side wall of the filter chamber 111; the first filter 12 is arranged in the filter cavity 111, and the first filter 12 is arranged annularly and is arranged at an interval with the side wall of the filter cavity 111; the second filter 13 is disposed between the first filter 12 and the side wall of the filter chamber 111, and is used for filtering the water flowing to the washing pump water inlet 112.

Specifically, in the embodiment of the present invention, the dishwasher may include an inner tub 20, a water collecting cup 11, a washing pump, a drain pump, and the like.

In the embodiment of the present invention, the inner container 20 defines a cleaning chamber 21 therein, a shelf for placing the articles to be cleaned, such as tableware, can be provided in the cleaning chamber 21, and a spraying arm for spraying washing water toward the articles to be cleaned is further provided in the cleaning chamber 21. The water collecting cup 11 is arranged at the bottom of the inner container 20, the water collecting cup 11 and the inner container 20 are hermetically arranged, and the spray arm performs rotary spraying on articles to be cleaned, so that tableware is cleaned. After washing, the washing water is collected in the water collecting cup 11 and filtered by the multi-filtering system of the dishwasher 10.

Optionally, an upper spray arm, a middle spray arm and a lower spray arm may be disposed in the inner container 20, wherein the washing pump may guide the water in the water collecting cup 11 into the lower spray arm, and when the middle spray arm and the lower spray arm are required to spray water, the water flowing out from the washing pump may be guided to the middle spray arm and the lower spray arm through an inner water pipe, so as to meet different washing requirements of the dishwasher.

The water collecting cup 11 comprises a filter cavity 111, a washing pump water inlet 112 is formed in the side wall of the filter cavity 111, the washing pump water inlet 112 can be connected with a washing pump, and therefore the washing pump can pump washing water collected in the water collecting cup 11 into a spray arm to circularly clean tableware. In addition, the water collecting cup 11 may further include a drain pump water inlet 113, and the drain pump water inlet 113 is configured to circulate water in the water collecting cup 11 to a certain number of times to discharge the sewage outside the dishwasher. The water inlet 113 of the drainage pump is provided with a residue collecting area 114 at the connection position of the first filter 12, and the water in the water collecting cup 11 is circulated and washed for a certain number of times to be communicated with the sewage and discharged outside the dishwasher. The washing pump is used for pumping water from the water collecting cup 11, when the washing pump pumps the water in the water collecting cup 11, the washing water needs to be filtered first to filter food residues, so that the food residues are prevented from entering the washing pump and blocking spray holes in a spray arm connected with the washing pump, and the service life of the whole dishwasher can be influenced.

The dishwasher also comprises a multiple filtering system, wherein the multiple filtering system is used for filtering the washing water after the tableware is washed, the filtered washing water is pumped into the spraying arm through the washing pump to be sprayed to wash the tableware, and the steps are repeated.

In an embodiment of the present invention, the dishwasher 10 includes a flat filter 14 and a first filter 12. The flat filter 14 is arranged above the water collecting cup 11. Specifically, the planar filter 14 in the present application means that the filter member is formed in a substantially planar structure, and the horizontal dimension of the filter member is larger than the vertical dimension thereof, but the shape of the filter member is not limited to a standard planar surface, and for example, the filter member may have a deformed structure such as bending, folding, and the like. The planar filter 14 is in this application arranged substantially annularly. The first filter 12 may be a cylindrical filter or a cylinder-like filter, and is not limited herein. The first filter 12 is exemplified as a cylindrical filter, and the cylindrical filter is annularly disposed in the filter cavity 111. The first filter 12 is rotatably arranged in the filter chamber 111 of the water collecting cup 11, and the first filter 12 is in transitional connection with the inner ring of the plane filter 14. The first filter 12 is formed in a hollow cylindrical shape, i.e., a cylindrical shape or a ring shape, and the first filter 12 is rotatable in the filter chamber 111.

Because dishwasher is after long-time work, in order to guarantee better washing effect, the user need with planar filter 14 with first filter 12 is pulled down and is washd, but has the condition emergence of installation mistake or installation not in place when reinstalling, can make like this planar filter 14 with first filter 12 with there is the clearance in the cooperation between the cup 11, when washing dishes again, food waste then can get into the washing pump through clearance from washing pump water inlet 112, goes into spray arm through the washing pump again, consequently probably shines into the jam to spray arm and spray orifice on the spray arm to influence the rotational speed and the water jet of spray arm, and then influence dishwasher's washing effect.

In the embodiment of the present invention, the dishwasher 10 further comprises a second filter 13, the second filter 13 is a secondary filtering component of the multiple filtering system relative to the plane filter 14 and the first filter 12, so as to prevent food debris from entering the spray arm through the washing pump water inlet 112 to block the spray arm when the plane filter 14 and the first filter 12 are installed again by a user due to an installation error or an installation failure. The second filter 13 is arranged between the filter cavity 111 and the first filter 12, and the second filter 13 is connected with the inner wall of the filter cavity 111. The second filter 13 may be disposed only at the washing pump water inlet 112 to filter the water flowing to the washing pump water inlet 112, or may be disposed between the cylindrical filter 131 and the side wall of the filter cavity 111 in an annular shape to filter the water flowing to the washing pump water inlet 112, which is not limited herein. The adaptive setting may be performed according to the above-described embodiment. The second filter 13 is used for filtering the washing water for the second time when the washing water passes through the washing pump inlet 112.

During operation, the washing water sprayed and washed in the inner container 20 may sequentially pass through the planar filter 14 and the first filter 12 for filtration, then pass through the second filter 13 for secondary filtration, and finally pass through the washing pump water inlet 112 and then reach the washing pump.

The dishwasher 10 of the utility model comprises a water collecting cup 11, a first filter 12 and a second filter 13, wherein the water collecting cup 11 comprises a filter cavity 111, and the side wall of the filter cavity 111 is provided with a washing pump water inlet 112; the first filter 12 is arranged in the filter cavity 111, and the first filter 12 is arranged annularly and is arranged at an interval with the side wall of the filter cavity 111; the second filter 13 is disposed between the first filter 12 and the side wall of the filter chamber 111, and is used for filtering the water flowing to the washing pump water inlet 112. The present application is provided with the second filter 13 disposed between the first filter 12 and the side wall of the filter chamber 111 to filter the water flowing through the washing pump water inlet 112, so as to prevent the first filter 12 and/or the plane filter 14 from entering the spray arm through the washing pump water inlet 112 in case of wrong or not in place installation of the user, thereby blocking the spray hole. The reliability of the dishwasher 10 and the lifespan of the dishwasher 10 can be effectively improved.

Referring to fig. 1 to 2, in an embodiment, the second filter 13 is attached to a sidewall of the filter cavity 111. It can be understood that, by attaching the second filter 13 to the wall surface inside the filter cavity 111, the installation space of the second filter 13 in the filter cavity 111 can be reduced, so as to reduce the modification of the existing water collecting cup 11 and reduce the modification cost.

Specifically, in some embodiments, the second filter 13 includes a filter element disposed at the wash pump water inlet 112. In this application it is in to filter piece mainly used setting washing pump water inlet 112 department prevents that the food waste of large granule from following in the washing pump water inlet 112 gets into the washing pump, it is right the spray arm causes the jam, only will filter the piece setting washing pump water inlet 112 department can reduce filter the material reduce cost of piece and reduce the mould and change, improve the performance in business.

Referring to fig. 2, in one embodiment, the filter elements are arcuately arranged to be convex toward a side remote from the first filter 12. This prevents interference between the filter element and the first filter 12, thereby affecting rotation of the first filter 12 within the filter cavity 111 and reducing the filtering efficiency of the dishwasher 10. Of course, in other embodiments, the filtering member may be disposed in an arc shape protruding inward toward a side close to the first filter 12 when the first filter 12 is not rotatably disposed, or may be disposed in a flat plate shape, and the like, and is not particularly limited herein.

Referring to fig. 1-2, in another embodiment, the second filter 13 includes a filter element and a mounting bracket 132, the mounting bracket 132 being closed to form a frame for receiving the filter element, the filter element being attached to the mounting bracket 132. It will be appreciated that in order to improve the support of the filter elements, to prevent damage or deformation of the filter elements due to excessive water flow rates, etc., the second filter 13 is easily removable, in the case where it is removable. This application still sets up installing support 132, installing support 132 is right filter piece plays the fixed effect of support, improves second filter 13's reliability.

Referring to fig. 3 to 4, in some embodiments, the filter element is a filter screen 131, a first filter hole 131a is formed in the filter screen 131, a second filter hole 132a is formed in the mounting bracket 132, and the aperture of each of the first filter hole 131a and the second filter hole 132a is smaller than the aperture of the nozzle hole of the nozzle arm. It is understood that the first filtering hole 131a is provided on the filtering net 131 to filter the water flowing to the washing pump water inlet 112. In the present application, in order to increase the filtering area and improve the filtering effect, the mounting bracket 132 may further include a second filtering hole 132a. Of course, in other embodiments, the second filtering hole 132a may not be disposed on the mounting bracket 132, and is not particularly limited herein, and may be disposed according to actual requirements. Therefore, the water in the filter cavity 111 can flow to the washing pump water inlet 112 through the first filter holes 131a of the filter screen 131 on the one hand, and can flow to the washing pump water inlet 112 through the second filter holes 132a of the mounting bracket 132 on the other hand, so that the filter area of the second filter 13 is effectively increased, and the filter effect is improved.

Of course, in other embodiments, the second filter element 13 may include only the filter screen 131, the first filter holes 131a are disposed on the filter screen 131, and the sum of the flow areas of all the first filter holes 131a is greater than or equal to the flow area of the washing pump water inlet 112, and the effect of such an arrangement is the same as the above effect, and is not repeated herein.

Further, in this application, in order to prevent the food waste greater than the spray hole on the spray arm from entering the washing pump and blocking the spray hole, the first filtering hole 131a and the second filtering hole 132a are smaller than the pore size of the spray hole on the spray arm of the dishwasher 10, so as to effectively filter the food waste particles whose diameter is greater than the spray hole, improve the filtering effectiveness of the second filter 13, and further improve the filtering and anti-blocking capability of the second filter 13.

In some embodiments, the sum of the flow areas of all of the first filtering holes 131a and all of the second filtering holes 132a is greater than or equal to the flow area of the washing pump water inlet 112. It will be appreciated that the second filter 13 is prevented from affecting the normal operation of the washing pump due to the slow filtration speed. The present application also sets the sum of the flow areas of all the first filtering holes 131a and the flow areas of all the second filtering holes 132a to be greater than or equal to the flow area of the washing pump water inlet 112. Therefore, the influence on the normal washing work of the washing pump caused by the over-flow area of the second filter 13 is effectively prevented. Reducing the washing effect of the dishwasher 10.

In one embodiment, the second filter 13 is injection molded integrally with the water collection cup 11. It will be appreciated that in order to prevent a user from mounting the second strainer 13 out of position so that there is a gap between the second strainer 13 and the side wall of the water collecting cup 11, large food particles enter the washing pump through the gap. The second filter 13 is integrally injection-molded on the water collecting cup 11 and is molded at the position of the washing pump water inlet 112, so that a gap between the second filter 13 and the water collecting cup 11 caused by disassembling and assembling the second filter 13 is avoided.

Of course, in other embodiments, in order to prevent the second filter 13 from being clogged by food waste, the filtering effect is reduced, and the detachment and installation of the entire water collecting cup 11 are reduced. In other embodiments of the present application, the filter screen 131 and the mounting bracket 132 are integrally formed by injection molding, and the second filter 13 is detachably connected to the water collecting cup 11. The water collecting cup 11 and the mounting bracket 132 are provided with a matched dismounting and mounting structure. Thereby facilitating the separate washing of the second filter 13.

Referring to fig. 5, in the embodiment of the present invention, the second filter 13 is inserted and fixed with the water collecting cup 11. Thereby facilitating the separate disassembly and assembly of the second filter 13 so as to clean or replace the second filter 13, and improving the overall cleaning capacity and service life of the dishwasher 10.

Specifically, referring to fig. 6 to 8, the second filter 11 includes a mounting bracket 132, the mounting bracket 132 is provided with a buckle 132b, the cavity wall of the filter cavity 111 is provided with a slot 111a, the slot 111a extends along the axial direction of the filter cavity 111, the mounting bracket 132 is inserted into the slot 111a from the cavity opening of the filter cavity 111 toward the cavity bottom of the filter cavity 111, and the buckle 132b is clamped on the hole wall of the washing pump water inlet 112. As can be seen from the figure, be equipped with the protruding 111b of direction that extends along the axis direction on the inner wall of filter chamber 111, the protruding 111b of direction certainly filter chamber 111's accent extends towards the chamber bottom, in order to right installing support 132 follows filter chamber 111's accent is led towards the chamber bottom, slot 111a is located on the chamber bottom and be located the protruding 111b of direction is close to one side of washing pump water inlet 112, in order to right installing support 132 is close to the one end of chamber bottom and is fixed, installing support 132 also can with the protruding 111b cooperation of direction is right installing support 132 fastens along the both sides of axis direction. Meanwhile, in order to improve the connection tightness between the mounting bracket 132 and the side wall of the filter cavity 111, a buckle 132b may be further disposed on one side of the mounting bracket 132 close to the side wall of the filter cavity 111, the buckle 132b is disposed opposite to the outer periphery of the washing pump water inlet 112, and the buckle 132b is fastened with the outer periphery of the washing pump water inlet 112 to fasten one end of the mounting bracket 132 close to the cavity bottom, so that the connection tightness between the mounting bracket 132 and the side wall of the filter cavity 111 may be improved, and the mounting and dismounting may be facilitated for a user.

Referring to fig. 5 and 8, a handle portion 132c is disposed on one side of the mounting bracket 132 close to the opening of the filter cavity 111, and the handle portion 132c is convenient for a user to assemble and disassemble the second filter 13, so that the user experience is improved.

Optionally, in the present application, the filter screen 131 includes a metal filter screen 131 and a plastic filter screen. Of course, in other embodiments, the filter screen 131 may be made of other materials, and is not limited herein.

In one embodiment, the second filter 13 further comprises a seal member disposed between the mounting bracket 132 and the sidewall of the filter cavity 111. It can be understood that, due to the detachable connection between the second filter 13 and the water collecting cup 11, in order to prevent the mounting bracket 132 and the side wall of the water collecting cup 11 from being detached for a long time, the mounting bracket 132 and the side wall of the water collecting cup 11 may be separated from each other in terms of fitting, or a process error may exist between the mounting bracket 132 and the water collecting cup 11, or the like, thereby generating a fitting gap. This application is still in installing support 132 with installing support 132 connects set up the sealing member between the lateral wall of cup 11 that catchments, the sealing member is used for strengthening installing support 132 with the connection compactness between the lateral wall of cup 11 that catchments to prevent that large granule's food waste from the installing support 132 with the gap of connection gets into between the lateral wall of cup 11 the washing pump, in order to right the spray arm causes the jam, improves multiple filtration system's reliability. Alternatively, the sealing member may be an elastic sealing ring or a gasket integrally or separately disposed between the mounting bracket 132 and the sidewall of the water collecting cup 11, and is not limited herein.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A dishwasher, comprising:

the water collecting cup comprises a filter cavity, and a washing pump water inlet is formed in the side wall of the filter cavity;

the first filter is arranged in the filter cavity and is arranged at intervals with the side wall of the filter cavity; and

2. The dishwasher of claim 1, wherein the second filter is disposed adjacent to a sidewall of the filter chamber.

3. The dishwasher of claim 1, wherein the second filter comprises a filter element disposed at the wash pump water inlet.

4. A dishwasher according to claim 3, wherein the filter element is arcuately arranged to be convex towards a side remote from the first filter.

5. The dishwasher of claim 3, wherein the filter member is a filter screen having a first filter hole with a smaller diameter than a diameter of the spray hole of the spray arm of the dishwasher.

6. A dishwasher according to claim 5, wherein the sum of the flow areas of all the first filter apertures is greater than or equal to the flow area of the wash pump water inlet.

7. The dishwasher of claim 1, wherein the second filter includes a filter element and a mounting bracket that is closed to form a frame for placement of the filter element, the filter element being attached to the mounting bracket.

8. The dishwasher of claim 7, wherein the filter element is a filter screen, the filter screen is provided with a first filter hole, the mounting bracket is provided with a second filter hole, and the first filter hole and the second filter hole have smaller apertures than the apertures of the spray holes on the spray arm of the dishwasher.

9. The dishwasher of claim 8, wherein the sum of the flow areas of all of the first filter holes and all of the second filter holes is greater than or equal to the flow area of the wash pump water inlet.

10. The dishwasher of claim 1, wherein the second filter is integrally injection molded with the water collection cup.

11. The dishwasher of claim 1 wherein the first filter is a cylindrical filter, the cylindrical filter being annularly disposed.

12. The dishwasher of claim 8, wherein the filter screen is integrally injection molded with the mounting bracket.

13. The dishwasher of claim 1, wherein the second filter is removably connected to the water collection cup.

14. The dishwasher of claim 13, wherein the second filter is secured to the catch cup by a bayonet connection.

15. The dishwasher of claim 14, wherein the second filter comprises a mounting bracket, the mounting bracket is provided with a buckle, the wall of the filter chamber is provided with a slot, the slot extends along the axial direction of the filter chamber, the mounting bracket is inserted into the slot from the mouth of the filter chamber to the bottom of the filter chamber, and the buckle is clamped on the wall of the water inlet of the washing pump.