CN220713859U - Cleaning assembly and dish washer - Google Patents

Abstract

The application relates to a wash subassembly and dish washer, wash the subassembly and be used for dish washer, including spray arm. The spray arm is configured with a spray opening and is configured to spray cleaning fluid through the spray opening toward an inner wall of the dishwasher. The cleaning assembly is used in a dish washer, cleaning fluid can be sprayed to the inner wall of the dish washer by using the spraying arm, and then the inner wall of the dish washer is cleaned by using the cleaning fluid, so that self-cleaning of the dish washer is realized. The cleaning fluid can take away dirt and oil dirt attached to the inner wall of the dish washing machine, and after each dish washing operation or periodically, the cleaning assembly is utilized for self cleaning, so that the dirt deposition or dry attachment of the inner wall of the dish washing machine can be reduced, bacterial breeding caused by the dirt deposition or dry attachment is reduced, black spots are even generated, the dish washing quality is improved, and the dish washing machine is beneficial to the physical health of users.

Description

Cleaning assembly and dish washer

Technical Field

The application relates to the technical field of tableware cleaning, in particular to a cleaning assembly and a dish washer.

Background

A dish washing space for washing dishes such as bowls and chopsticks is formed in the dish washing machine, generally, a bowl basket for containing the dishes is arranged in the dish washing space, and when the dish washing machine works, the spray arm sprays the dishes in the bowl basket. After the dishwasher is used for a period of time, a large amount of accumulated dirt and oil dirt are easily deposited on the inner wall of the dishwasher, and each time the dishwasher is washed, the dirt and bacteria pollute the environment in the dishwasher, and are more likely to pollute tableware in the dishwasher.

The main reason for generating dirt inside the dish washing machine is that when tableware is washed, dirt such as grease, residues, foam of dish washing powder and the like on the tableware are adhered to the inner wall of the dish washing machine, and if the inside of the dish washing machine is not cleaned manually in time after each time of dish washing, the dirt such as grease, residues, foam of dish washing powder and the like generated in the past is deposited or dried on the inner wall of the dish washing machine when the next time of dish washing is carried out, a large amount of bacteria and even black spots are easily generated after long-term accumulation of the dirt, the dish washing quality is influenced after long-term removal, and even adverse effects are brought to the body health of a user.

Disclosure of Invention

Accordingly, it is necessary to provide a washing assembly and a dishwasher capable of improving the cleanliness of the inner wall, aiming at the problem that dirt is easily generated on the inner wall of the dishwasher.

A washing assembly for a dishwasher, the washing assembly comprising:

a spray arm configured with a spray port and configured to spray cleaning fluid through the spray port toward an inner wall of the dishwasher.

The cleaning assembly is used in a dish washer, cleaning fluid can be sprayed to the inner wall of the dish washer by using the spraying arm, and then the inner wall of the dish washer is cleaned by using the cleaning fluid, so that self-cleaning of the dish washer is realized. The cleaning fluid can take away dirt and oil dirt attached to the inner wall of the dish washing machine, and after each dish washing operation or periodically, the cleaning assembly is utilized for self cleaning, so that the dirt deposition or dry attachment of the inner wall of the dish washing machine can be reduced, bacterial breeding caused by the dirt deposition or dry attachment is reduced, black spots are even generated, the dish washing quality is improved, and the dish washing machine is beneficial to the physical health of users.

In one embodiment, the spray ports comprise self-cleaning spray ports that face an inner wall of the dishwasher.

In one embodiment, the spray ports further comprise a dishwashing spray port facing a dishwashing space within the dishwasher.

In one embodiment, a first channel and a second channel which are not communicated with each other are formed in the spray arm, the self-cleaning spray port is communicated with the first channel, and the dish washing spray port is communicated with the second channel.

In one embodiment, the cleaning assembly further comprises a three-way valve, the three-way valve is provided with a water inlet end and two water outlet ends, the water inlet end is communicated with the water supply pipeline, and the two water outlet ends are respectively communicated with the first channel and the second channel.

In one embodiment, the self-cleaning spray opening comprises a first spray opening and a second spray opening, wherein the spray arm is provided with a plurality of first spray openings along the longitudinal direction of the spray arm, and at least one of two ends of the spray arm along the longitudinal direction of the spray arm is provided with a second spray opening.

In one embodiment, the cleaning assembly comprises two spray arms respectively positioned at two opposite sides of the dish washing space, and the first spray openings of the two spray arms are arranged oppositely.

In one embodiment, the spray ports include a plurality of self-cleaning spray ports, and at least one of all of the self-cleaning spray ports is capable of being disposed toward a drain port in the dishwasher and capable of separately spraying a cleaning fluid.

In one embodiment, the spray opening is configured to be rotatable and capable of being rotated to be disposed toward an inner wall of the dishwasher and toward a dishwashing space within the dishwasher, respectively.

A dishwasher comprising the washing assembly described above.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view showing a part of a structure of a dish washer having a washing unit according to an embodiment of the present application.

FIG. 2 is a schematic view of the cleaning assembly of FIG. 1 when self-cleaning.

Fig. 3 is a schematic view of the cleaning assembly of fig. 1 during dishwashing.

Fig. 4 is a schematic view of the structure of the spray arm of the cleaning assembly of fig. 1.

Fig. 5 is a schematic cross-sectional view of a three-way valve in the cleaning assembly shown in fig. 1.

Reference numerals illustrate: 100. cleaning the assembly; 10. a spray arm; 11. a spray port; 111. self-cleaning a spray opening; 1111. a first spray port; 1113. a second spray port; 113. a bowl washing spray port; 30. a water supply pipe; 50. a three-way valve; 51. a water inlet end; 53. a water outlet end; 55. a valve core assembly; 551. an electromagnetic valve core; 552. a coil; 553. a spring; 554. a rubber valve; 555. a connection terminal; 57. a fixing plate; 200. dish washing machine; 201. a cleaning tank; 203. an inner wall; 2031. a sidewall; 2033. a bottom wall.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that, if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., these terms refer to the orientation or positional relationship based on the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the term "and/or" is merely an association relation describing the association object, meaning that three relations may exist, e.g. a and/or B, may be represented: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1-4, one embodiment of the present application provides a cleaning assembly 100 for a dishwasher 200, including a spray arm 10. The spray arm 10 is configured with spray ports 11 and is configured to spray cleaning fluid through the spray ports 11 toward the inner wall 203 of the dishwasher 200.

It will be appreciated that the spray arm 10 is disposed within the dishwasher 200 and is specifically located within the sink 201. The washing tub 201 of the dish washer 200 is a region for washing dishes, in which a basket for holding the washed dishes is provided. The inner wall 203 of the dishwasher 200 may also include side walls 2031, a bottom wall 2033, and a top wall (not shown) of the wash tank 201.

The spray arm 10 may turn on the cleaning fluid and spray the cleaning fluid from the spray ports 11, wherein the cleaning fluid may be, but not limited to, water, detergent, steam, etc., the spray ports 11 may be nozzles, spray heads, etc., and the spray ports 11 may be a plurality of spray ports arranged at intervals. The spray arm 10 is capable of spraying cleaning fluid through the spray opening 11 to at least one of the inner wall 203 of the dishwasher 200, i.e., the side wall 2031, bottom wall 2033, and top wall of the bowl.

The cleaning assembly 100 is used in the dishwasher 200, and can spray cleaning fluid to the inner wall 203 of the dishwasher 200 by using the spray arm 10, and further clean the inner wall 203 of the dishwasher 200 by using the cleaning fluid, thereby realizing self-cleaning of the dishwasher 200. The cleaning fluid can take away dirt and oil dirt attached to the inner wall 203 of the dish washer 200, and the self-cleaning of the cleaning assembly 100 after each dish washing operation or periodically can reduce the occurrence of dirt deposition or dry attachment of the inner wall 203 of the dish washer 200, thereby reducing bacterial growth caused by the dirt deposition or dry attachment and even generating black spots, improving the dish washing quality and being beneficial to the physical health of users.

Further, the shower arm 10 is rotatably disposed about a rotation axis, which is configured to be parallel to a height direction (corresponding to an X direction in fig. 1) or a horizontal direction (corresponding to a Y direction in fig. 1) of the dishwasher 200. The longitudinal direction of the spray arm 10 is perpendicular to the rotation axis, and is centrosymmetric with the rotation axis as a centrosymmetric axis, and at least part of the spray openings 11 are arranged at intervals with the rotation axis.

It will be appreciated that the spray arm 10 is capable of 360 ° rotation about a rotational axis and that the height of the dishwasher 200 may be perpendicular to the horizontal. When the rotation shaft is configured to be parallel to the height direction of the dishwasher 200, the lengthwise direction of the spray arm 10 is horizontally arranged. When the rotation shaft is configured to be parallel to the horizontal direction, the lengthwise direction of the shower arm 10 is vertically arranged.

The spray arm 10 is rotatably arranged around the rotation axis, and the spray opening 11 rotates along with the rotation axis, so that the spray arm 10 can have a larger cleaning range when spraying.

Further, the cleaning assembly 100 further includes a water supply pipe 30, and the water supply pipe 30 is rotatably connected to the shower arm 10 and supplies water to the shower arm 10.

It will be appreciated that the water supply pipe 30 may be used to deliver other cleaning fluids in addition to the water supply. The water supply pipe 30 may be partially exposed to the inside of the washing tub 201, partially entirely inside the structure of the dishwasher 200, and communicate with an external water source. In addition, the water supply pipe 30 may also serve as a support structure for the shower arm 10.

The water supply pipe 30 is rotatably connected to the spray arm 10, and continuously supplies water to the spray arm 10 while not affecting the rotation function of the spray arm 10.

In some embodiments, spray ports 11 include self-cleaning spray ports 111, self-cleaning spray ports 111 facing inner wall 203 of dishwasher 200.

It will be appreciated that the self-cleaning spray opening 111 may be configured on the side of the spray arm 10 facing the inner wall 203 of the dishwasher 200, and may be plural.

The spray arm 10 is capable of performing a self-cleaning function by spray cleaning (spray direction is shown by arrow in fig. 2) of the inner wall 203 of the dishwasher 200 toward which the self-cleaning spray opening 111 is directed.

In other embodiments, the spray arm 10 may also be oriented by rotating and moving the position of the spray ports 11 such that at least a portion of the spray ports 11 are oriented toward the interior wall 203 of the dishwasher 200 for the purpose of the spray arm 10 being able to spray cleaning fluid through the spray ports 11 toward the interior wall 203 of the dishwasher 200, as not specifically limited herein.

Further, the spray ports 11 also include a dishwashing spray port 113, the dishwashing spray port 113 facing a dishwashing space within the dishwasher 200.

It will be appreciated that the dishwashing spray port 113 is specifically directed towards the bowl basket, and that the dishwashing spray port 113 is configured on the side of the spray arm 10 directed towards the dishwashing space, i.e. towards the bowl basket. The spray arm 10 may be configured with a plurality of dishwashing spray ports 113 along its lengthwise direction, and the dishwashing spray ports 113 may be oriented perpendicular to the lengthwise direction of the spray arm 10.

The spray arm 10 is capable of performing a dishwashing function by spraying cleaning (spray direction shown by arrows in fig. 3) through the dishwashing spray opening 113 into the bowl basket toward which it is directed.

Further, the spray arm 10 is internally provided with a first channel and a second channel (not shown) which are not communicated with each other, the self-cleaning spray opening 111 is communicated with the first channel, and the dish washing spray opening 113 is communicated with the second channel.

It will be appreciated that the first and second channels are used to deliver cleaning fluid to the self-cleaning spray port 111 and the dishwashing spray port 113, respectively. Specifically, the first and second channels communicate with the water supply pipe 30 for delivering a water flow.

The self-cleaning spray port 111 and the dishwashing spray port 113 receive cleaning fluid through a first channel and a second channel, respectively, and the first channel and the second channel are not in communication with each other. Thus, the self-cleaning spray opening 111 and the dishwashing spray opening 113 can operate independently without affecting each other, and the cleaning fluids sprayed by the two can be the same or different.

Referring to fig. 5, specifically, the cleaning assembly 100 further includes a three-way valve 50, the three-way valve 50 has a water inlet 51 and two water outlets 53, and the two water outlets 53 are respectively connected to the first channel and the second channel.

The three-way valve 50 is connected between the water supply pipe 30 and the shower arm 10, and the water inlet end 51 is communicable with the water supply pipe 30 and is rotatable in connection with the water supply pipe 30. The three-way valve 50 can selectively supply cleaning fluid to the first and second channels by controlling the opening and closing of the two water outlets 53.

When the water outlet 53 communicated with the first passage is opened, cleaning fluid can flow into the first passage, and the self-cleaning spraying opening 111 sprays the cleaning fluid, so that a self-cleaning function is realized. When the water outlet 53 communicating with the second channel is opened, cleaning fluid can flow into the second channel and be sprayed by the dishwashing spray port 113, thereby realizing a dishwashing function.

Specifically, the three-way valve 50 is a three-way electromagnetic valve, and further includes a valve core assembly 55 for controlling the opening and closing of the two water outlet ends 53, wherein the valve core assembly 55 includes an electromagnetic valve core 551, a coil 552 sleeved outside the electromagnetic valve core 551, a spring 553 arranged at one end of the electromagnetic valve core 551, a rubber valve 554 connected with the other end of the electromagnetic valve core 551, and a connection terminal 555.

The coil 552 is connected with electricity through the wiring terminal 555, and is controlled to drive the electromagnetic valve core 551 to move, and the electromagnetic valve core 551 drives the rubber valve 554 to act. The rubber valve 554 is movable between a blocking position, in which the rubber valve 554 blocks communication between the water inlet end 51 and the water outlet end 53, closing the water outlet end 53, and a conducting position, in which the rubber valve 554 allows communication between the water inlet end 51 and the water outlet end 53, opening the water outlet end 53.

Further, the three-way valve 50 may also be constructed in such a manner that a fixing plate 57 is formed at the outer circumference of the water inlet end 51 to protrude radially outward.

In some embodiments, the self-cleaning spray port 111 includes a first spray port 1111 and a second spray port 1113, the spray arm 10 being configured with a plurality of first spray ports 1111 in its longitudinal direction and with the second spray port 1113 at least one of its two ends in its longitudinal direction.

The first spray opening 1111 may be oriented perpendicular to the longitudinal direction of the spray arm 10, and the second spray opening 1113 may be oriented along the longitudinal direction of the spray arm 10. Specifically, when the lengthwise direction of the shower arm 10 is arranged in the horizontal direction, the first shower mouth 1111 faces the top or bottom wall 2033, and the second shower mouth 1113 faces the side wall 2031; when the lengthwise direction of the spray arm 10 is arranged in the height direction of the dishwasher 200, the first spray port 1111 faces the side wall 2031 and the second spray port 1113 faces the top or bottom wall 2033.

The first spray opening 1111 and the second spray opening 1113 are configured at different positions, so that different orientations can be formed conveniently to fully cover the inner wall 203 at different positions, and spray dead angles are reduced.

Further, the cleaning assembly 100 includes two spray arms 10 positioned on opposite sides of the dishwashing space, wherein the first spray openings 1111 of the two spray arms 10 are disposed opposite to each other.

It will be appreciated that the two spray arms 10 may be disposed on either the upper or lower sides of the dishwashing space, or on either the left or right sides or both the front and rear sides of the dishwashing space. When two spray arms 10 are arranged on both the upper and lower sides of the dishwashing space, the first spray opening 1111 of the upper spray arm 10 faces upward, and in particular toward the top wall, the first spray ports 1111 of the spray arms 10 located below face downward and specifically toward the bottom wall 2033, and the second spray ports 1113 at both ends face toward the peripheral side in the height direction surrounding the dishwasher 200 and specifically toward the side wall 2031. When the two spray arms 10 are disposed at both left and right sides of the dish washing space, the first spray ports 1111 of the spray arm 10 located at the left side face to the left and specifically toward the left side wall 2031, the first spray ports 1111 of the spray arm 10 located at the right side face to the right and specifically toward the right side wall 2031, and the second spray ports 1113 at both ends face to the circumferential side around the horizontal direction and specifically toward the front and rear side walls 2031, the bottom wall 2033, or the top wall. When the two spray arms 10 are disposed at both front and rear sides of the dish washing space, the first spray ports 1111 of the spray arms 10 located at the front side face forward and face specifically toward the front side wall 2031, the first spray ports 1111 of the spray arms 10 located at the rear side face rearward and face specifically toward the rear side wall 2031, and the second spray ports 1113 at both ends face toward the circumferential side around the horizontal direction and face specifically toward the left and right side walls 2031, the bottom wall 2033, or the top wall.

The two spray arms 10 can more fully cover the inner wall 203 of the dishwasher 200, reduce spray dead angles, and can more fully clean dishes located in the dish washing space.

In other embodiments, the cleaning assembly 100 includes four or six spray arms 10 and can be positioned on both the left and right sides, front and back sides, and top and bottom sides of the dishwashing space.

In some embodiments, spray ports 11 comprise a plurality of self-cleaning spray ports 111, and at least one of all self-cleaning spray ports 111 is capable of being positioned toward a drain outlet (not shown) within dishwasher 200, and is capable of spraying cleaning fluid alone.

The plurality of self-cleaning shower ports 111 includes the first shower port 1111 and the second shower port 1113, and the self-cleaning shower port 111 provided toward the water discharge port may be the first shower port 1111, the second shower port 1113, or the self-cleaning shower ports 111 other than the first shower port 1111 and the second shower port 1113. The spray arm 10 can spray the water outlet through the self-cleaning spray opening 111 provided toward the water outlet, and the spray opening 11 can work alone means that the rest of the self-cleaning spray openings 111 can stop spraying by blocking the supply flow or closing the self-cleaning spray opening 111, and all the cleaning fluid is sprayed by the self-cleaning spray opening 111 provided toward the water outlet.

The self-cleaning shower nozzle 111 provided toward the drain opening can shower the drain opening, untangling dirt, impurities, etc. that may accumulate at the drain opening. In addition, the self-cleaning spray can also independently clean the fluid, strengthen the flow velocity of the cleaning fluid sprayed by the self-cleaning spray, help to disperse accumulated dirt, impurities and the like, and reduce the possibility of blocking a water outlet.

In another embodiment, the spray ports 11 are configured to be rotatable and capable of being rotated to be disposed toward the inner wall 203 of the dishwasher 200 and toward the dishwashing space within the dishwasher 200, respectively.

The rotatable finger of the spraying opening 11 can be rotated independently, the spraying arm 10 can also be rotated, the spraying opening 11 can rotate along with the spraying arm 10, the inner wall 203 is used for spraying and cleaning when the spraying opening is rotated to be arranged towards the inner wall 203 of the dish washer 200, the self-cleaning function is realized, and the spraying opening 11 is used for spraying and cleaning tableware when the spraying opening is rotated to be arranged towards the dish washing space in the dish washer 200, so that the dish washing function is realized.

The spray opening 11 is specifically configured at one side of the spray arm 10 in the longitudinal direction by following the spray arm 10, and the spray arm 10 can rotate around the longitudinal direction of the spray arm 10, so that the direction of the spray opening 11 can be changed when the spray opening rotates, and the spray opening can respectively face the inner wall 203 of the dishwasher 200 to wash the inner wall 203, or face the dish washing space in the dishwasher 200, that is, face the bowl basket to wash the dishes in the bowl basket.

Therefore, the spray arm 10 can be provided with only one spray opening 11 or a group of spray openings 11, and can be used for washing dishes or automatically cleaning according to the needs by rotating, and the spray openings 11 do not need to be excessively distinguished. In addition, the direction of the spray opening 11 can be enriched by rotating, the spray range is increased, and dead angles are reduced.

In the dish washing machine 200, when the dish washing machine works, the three-way valve 50 is communicated with the water supply pipe 30 and the second channel, the two spray arms 10 rotate continuously, water flows in from the second channel, sprays into the bowl basket from the dish washing spray opening 113, and changes the spray position continuously along with rotation, so that tableware in the bowl basket is cleaned fully. After the bowl washing operation is finished, the self-cleaning operation can be unfolded, the three-way valve 50 is communicated with the water supply pipe 30 and the first passage, the two spray arms 10 rotate continuously, water flows in from the first passage, sprays from the first spray opening 1111 of the upper spray arm 10 to the top wall, sprays from the first spray opening 1111 of the lower spray arm 10 to the bottom wall 2033, sprays from the second spray opening 1113 of the two spray arms 10 to the side wall 2031, and changes the spray position continuously along with rotation, so that the inner wall 203 of the dish washing machine 200 is cleaned fully. In addition, there is a self-cleaning spray opening 111 in the spray arm 10 that can be directed toward the drain opening, and the self-cleaning spray opening 111 alone performs a spray operation directed toward the drain opening, and untangling dirt, impurities, etc. that may accumulate at the drain opening.

The present application also provides a dishwasher 200 comprising the above-described washing assembly 100.

In addition, a self-cleaning button for starting the self-cleaning function of spraying the spray arm 10 toward the inner wall 203 of the dishwasher 200 may be further provided on the operation panel of the dishwasher 200.

The dishwasher 200 may periodically alert the user to manual activation, may be automatically activated each time after the end of dishwashing, and may also periodically activate a self-cleaning function.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (10)

1. A washing assembly for a dishwasher (200), characterized in that it comprises:

a spray arm (10) configured with spray openings (11) and configured to spray cleaning fluid through the spray openings (11) towards an inner wall (203) of the dishwasher (200).

2. The washing assembly according to claim 1, characterized in that the spray opening (11) comprises a self-cleaning spray opening (111), the self-cleaning spray opening (111) being directed towards an inner wall (203) of the dishwasher (200).

3. The washing assembly according to claim 2, characterized in that the spray opening (11) further comprises a dishwashing spray opening (113), the dishwashing spray opening (113) being directed towards a dishwashing space within the dishwasher (200).

4. A cleaning assembly according to claim 3, characterized in that the spray arm (10) is internally provided with a first channel and a second channel which are not communicated with each other, the self-cleaning spray port (111) is communicated with the first channel, and the dish washing spray port (113) is communicated with the second channel.

5. The cleaning assembly of claim 4, further comprising a three-way valve (50), the three-way valve (50) having one water inlet end (51) and two water outlet ends (53), the two water outlet ends (53) being in communication with the first channel and the second channel, respectively.

6. The cleaning assembly according to claim 2, wherein the self-cleaning spray opening (111) comprises a first spray opening (1111) and a second spray opening (1113), the spray arm (10) is configured with a plurality of first spray openings (1111) along its longitudinal direction and with a second spray opening (1113) at least one of its longitudinal ends.

7. The cleaning assembly according to claim 6, characterized in that it comprises two spray arms (10) on opposite sides of the dishwashing space, the first spray openings (1111) of each of the two spray arms (10) being arranged opposite each other.

8. The washing assembly according to claim 2, characterized in that the spray openings (11) comprise a plurality of the self-cleaning spray openings (111), and that at least one of all the self-cleaning spray openings (111) is capable of being arranged towards a drain opening in the dishwasher (200) and of spraying cleaning fluid alone.

9. The washing assembly according to claim 1, characterized in that the spray opening (11) is configured to be rotatable and rotatable to be arranged towards an inner wall (203) of the dishwasher (200) and towards a dishwashing space within the dishwasher (200), respectively.

10. A dishwasher (200), characterized in that the dishwasher (200) comprises a washing assembly according to any one of claims 1 to 9.