Cleaning assembly, shelf and dish washing machine

Abstract

The utility model belongs to the technical field of kitchen appliances, and discloses a cleaning assembly, a shelf and a dish washing machine. The cleaning assembly comprises a base, a cleaning head and a fluid driving structure, a flow channel is formed in the base, and a cleaning medium is introduced into the flow channel; the cleaning head is rotationally connected with the base, an inner cavity communicated with the flow channel is formed in the cleaning head, the outer wall of the cleaning head is provided with a cleaning part and spraying holes communicated with the inner cavity, and the cleaning part is used for making contact with a part to be cleaned; the fluid driving structure is arranged in the inner cavity and can drive the cleaning head to rotate relative to the base under the action of a cleaning medium. A cleaning medium is sprayed to the cup through rotation of the cleaning head, and the cleaning effect is better; the cleaning piece is arranged to make contact with the cup, and the cup is further cleaned; rotation of the cleaning head is driven by flowing of the cleaning medium, a driving source does not need to be additionally arranged, and production and use cost can be reduced.

Description

Technical Field

[0001] This utility model relates to the field of kitchen appliance technology, and in particular to a cleaning component, shelf and dishwasher. Background Technology

[0002] A dishwasher is a dishwashing appliance that can replace manual dishwashing. Dishwashers are generally equipped with racks to hold dishes to be washed, such as bowls, chopsticks, plates, and cups.

[0003] Current dishwashers typically invert cups on a shelf and rinse the inside with a spray system. However, this spray method alone is insufficient for removing stubborn stains and consumes a large amount of water, resulting in significant waste. Utility Model Content

[0004] The purpose of this invention is to provide a cleaning component, shelf, and dishwasher that can solve the problem that cleaning cups by spraying alone makes it difficult to clean stubborn dirt inside the cups and consumes a lot of water.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] A cleaning assembly, comprising:

[0007] A base, wherein a flow channel is provided inside the base for introducing a cleaning medium;

[0008] A cleaning head is rotatably connected to the base. The cleaning head has an inner cavity that communicates with the flow channel. The outer wall of the cleaning head is provided with a cleaning component and a spray hole that communicates with the inner cavity. The cleaning component is used to contact the item to be cleaned.

[0009] A fluid-driven structure is disposed within the inner cavity, which can drive the cleaning head to rotate relative to the base under the action of the cleaning medium.

[0010] As an alternative to the above-mentioned cleaning components, the cleaning element includes bristles and / or a cleaning layer.

[0011] As an alternative to the above-mentioned cleaning assembly, the fluid drive structure includes at least two blades disposed in the inner cavity, the blades being inclined relative to the flow direction of the cleaning medium;

[0012] And / or, the fluid drive structure includes a helical portion disposed on the inner wall of the inner cavity, the helical portion extending helically about the axis of the inner cavity;

[0013] And / or, the fluid drive structure includes a drive hole circumferentially tangent to the cleaning head, the drive hole communicating with the inner cavity.

[0014] As an alternative to the above-mentioned cleaning assembly, the blades are fan-shaped, the arc-shaped edges of the blades are connected to the inner wall of the inner cavity, the centers of all the blades coincide, and adjacent blades are spaced apart along the circumference of the inner cavity to form a water passage gap.

[0015] As an alternative to the above-mentioned cleaning assembly, the cleaning head includes a cleaning section and a connecting tube connected together. The cleaning section is hollow and communicates with the connecting tube. The cleaning element and the spray hole are disposed in the cleaning section. The connecting tube is rotatably connected to the base and communicates with the flow channel.

[0016] As an alternative to the above-mentioned cleaning assembly, the fluid drive structure is disposed inside the connecting pipe;

[0017] And / or, the outer wall of the cleaning part is spherical.

[0018] As an alternative to the above-mentioned cleaning assembly, the cleaning head and the base are nested together, one of the cleaning head and the base is provided with an annular groove, and the other of the cleaning head and the base is provided with an annular flange, which is rotatably disposed within the groove.

[0019] As an alternative to the above-mentioned cleaning components, the end of the base away from the cleaning head is provided with a connecting structure, which is used for detachable connection with the shelf body.

[0020] A shelf includes a shelf body and the aforementioned cleaning assembly, wherein the base is connected to the shelf body.

[0021] A dishwasher includes a body and the aforementioned shelf, wherein the body has an inner cavity and the shelf body is disposed within the inner cavity.

[0022] The beneficial effects of this utility model are:

[0023] The cleaning assembly provided by this utility model allows the cup to be placed upside down outside the cleaning assembly when cleaning. The cleaning medium is introduced into the inner cavity through the flow channel. The cleaning medium impacts the fluid drive structure, which drives the cleaning head to rotate relative to the base. During the rotation, the cleaning medium is sprayed to achieve the purpose of rinsing the cup. The rotation of the cleaning head can increase the rinsing effect of the cleaning medium on the cup and improve the cleaning effect. At the same time, the cleaning component can contact the inner wall of the cup to further clean the cup.

[0024] The cleaning head sprays cleaning media onto the cup by rotating, resulting in better cleaning compared to spraying at a fixed angle. The cleaning components contact the cup for further cleaning. The rotation of the cleaning head is driven by the flow of the cleaning media, eliminating the need for an additional drive source, which helps reduce production and usage costs and improves safety. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of the shelf provided by this utility model;

[0026] Figure 2 This is a partial structural schematic diagram of the shelf provided by this utility model;

[0027] Figure 3 This is a schematic diagram of the structure of the shelf and the cup provided by this utility model when they are combined;

[0028] Figure 4 This is a schematic diagram of the structure of the cleaning assembly provided by this utility model;

[0029] Figure 5 This is a first sectional view of the cleaning assembly provided by this utility model;

[0030] Figure 6 This is a second sectional view of the cleaning assembly provided by this utility model;

[0031] Figure 7 This is a third sectional view of the cleaning assembly provided by this utility model.

[0032] In the picture:

[0033] 1000, Shelf; 100, Cleaning assembly; 110, Base; 111, Main tube; 112, Second tube; 113, Snap-fit ​​arm; 114, Slot; 120, Cleaning head; 121, Connecting tube; 1211, Annular flange; 122, Cleaning section; 1221, Spray nozzle; 130, Brush bristles; 140, Blade; 150, Water passage gap; 200, Shelf body; 210, Rib; 2000, Cup. Detailed Implementation

[0034] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0035] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0036] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0037] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0038] This embodiment provides a dishwasher, including a body and a shelf 1000. The body has an inner cavity, and the shelf 1000 is placed inside the inner cavity. The dishes to be washed are placed inside the shelf 1000 for washing.

[0039] like Figure 1 As shown, the shelf 1000 includes a shelf body 200, which forms a receiving groove in which tableware to be washed can be placed.

[0040] In some embodiments, the shelf body 200 can be formed by connecting multiple intersecting ribs 210. On the one hand, there are gaps between adjacent ribs 210 to drain water during the washing process and facilitate drying. On the other hand, the cross-sectional area of ​​the ribs 210 is small, which can reduce the area of ​​the tableware covered by the ribs 210, thereby fully cleaning the surface of the tableware and also helping to reduce water stains remaining on the surface of the tableware.

[0041] Optionally, the shelf body 200 generally forms a rectangular groove, and some of the ribs 210 that form the shelf body 200 extend along the X direction, some of the ribs 210 extend along the Y direction, and some of the ribs 210 extend along the Z direction, with the X, Y, and Z directions being perpendicular to each other.

[0042] The shelf 1000 also includes a cleaning assembly 100, which is connected to the shelf body 200. The cleaning assembly 100 is used to fix and clean the cup 2000. Specifically, the cup 2000 is upside down and fitted over the cleaning assembly 100, which can spray water to clean the cup 2000.

[0043] To improve the cleaning effect on the cup 2000, combined with Figure 1 and Figure 2 As shown, the cleaning assembly 100 includes a base 110, a cleaning head 120, and a fluid drive structure. The base 110 is disposed on the shelf body 200, and a flow channel is provided inside the base 110 for introducing a cleaning medium, which can be water or a mixture of water and detergent. The cleaning head 120 is rotatably connected to the base 110, and an inner cavity communicating with the flow channel is provided inside the cleaning head 120. The outer wall of the cleaning head 120 is provided with cleaning components and spray holes 1221 communicating with the inner cavity. The fluid drive structure is disposed in the inner cavity, and the fluid drive structure can drive the cleaning head 120 to rotate relative to the base 110 under the action of the cleaning medium.

[0044] Combination Figures 1-3 When cleaning cup 2000, cup 2000 is placed upside down outside the cleaning component. The cleaning medium (water in this embodiment) is introduced into the inner cavity through the flow channel. The water impacts the fluid drive structure, which drives the cleaning head 120 to rotate relative to the base 110. During the rotation, water is sprayed to achieve the purpose of rinsing cup 2000. The rotation of the cleaning head 120 can increase the rinsing effect of water on cup 2000 and improve the cleaning effect. At the same time, the cleaning component can contact the inner wall of cup 2000 to further clean cup 2000.

[0045] In this embodiment, water is sprayed onto the cup 2000 by rotating the cleaning head 120, which has a better cleaning effect than spraying at a fixed angle; the cup 2000 is further cleaned by setting the cleaning component to contact the cup 2000; the rotation of the cleaning head 120 is driven by the flow of water, which does not require an additional drive source, which helps to reduce production and usage costs and improve usage safety.

[0046] like Figure 4 As shown, in some embodiments, the cleaning component includes bristles 130, which can scrub the inner wall of the cup 2000 as the cleaning head 120 rotates, improving the cleaning effect on dirt, reducing the amount of spray water, and avoiding water waste.

[0047] Optionally, the cleaning component includes multi-clump bristles 130, which are spaced apart on the outer wall of the cleaning head 120 to improve the cleaning effect on the cup 2000.

[0048] In some embodiments, the cleaning element can be a cleaning layer that covers the outer wall of the cleaning head 120 and achieves the cleaning purpose by contacting the cup 2000. Alternatively, the cleaning layer can be a cleaning sponge layer.

[0049] In some embodiments, the cleaning component may include bristles 130 and a cleaning layer to improve cleaning effectiveness.

[0050] In some embodiments, the cleaning head 120 includes a cleaning section 122 and a connecting pipe 121 connected together. The cleaning section 122 is hollow and communicates with the connecting pipe 121. A cleaning component and a spray hole 1221 are disposed in the cleaning section 122. The connecting pipe 121 is rotatably connected to the base 110 and communicates with the flow channel. The placement of the cleaning component and the spray hole 1221 in the cleaning section 122 and the rotatable connection between the connecting pipe 121 and the base 110 avoids interference between the mating structure at the connection between the cleaning head 120 and the base 110 and the cleaning component, and also avoids affecting the normal spraying of the spray hole 1221.

[0051] In order to achieve thorough spraying of the inner wall of the cup 2000, the outer wall of the cleaning part 122 is spherical, and multiple spray holes 1221 are evenly distributed on the spherical surface, which can fully and evenly spray the inner wall of the cup 2000 as the cleaning part 122 rotates; in addition, the bristles 130 are set on the spherical surface, which can make the bristles 130 fully contact the inner wall of the cup 2000 and improve the cleaning effect.

[0052] It should be noted that the outer wall of the cleaning part 122 can be an incomplete sphere, that is, the outer surface of the cleaning part 122 can be a spherical crown.

[0053] In some embodiments, the inner surface of the cleaning section 122 can be partially spherical, so that the wall thickness of the cleaning section 122 is uniform, which helps to ensure the uniformity of the sprayed water.

[0054] To improve the driving effect of water flow on the rotation of the cleaning head 120, the fluid drive structure is set inside the connecting pipe 121 so that the fluid drive structure is closer to the water inlet of the cleaning head 120, thereby increasing the impact of water on the fluid drive structure and increasing the driving force of the water flow. This ensures that the cleaning head 120 can rotate relative to the base 110 at a certain speed, thereby improving the cleaning effect.

[0055] In some embodiments, such as Figures 5-7 As shown, the fluid drive structure includes at least two blades 140 disposed in the connecting pipe 121. The blades 140 are inclined relative to the flow direction of the water in the inner cavity, so that the blades 140 drive the cleaning head 120 to rotate under the impact of the water flow.

[0056] In some embodiments, along the circumference of the inner cavity, the blade 140 is gradually inclined from the end of the inner cavity near the base 110 to the end of the inner cavity away from the base 110. The blade 140 is used to guide the spiral flow of the cleaning medium to drive the cleaning head 120 to rotate.

[0057] Specifically, refer to Figure 5 and Figure 6 As shown, the blade 140 is inclinedly disposed within the connecting pipe 121, with the plane of the blade 140 forming an angle with the radial section of the connecting pipe 121. That is, along the circumference of the connecting pipe 121, one end of the blade 140 is close to the base 110, and the other end gradually extends towards the cleaning section 122. This arrangement causes the water flowing into the connecting pipe 121 to be blocked by the blade 140, and the water flows spirally along the surface of the blade 140 towards the cleaning section 122. The force of the water flow acting on the blade 140 pushes the cleaning head 120 to rotate relative to the base 110.

[0058] For example, when the cleaning component is placed on the shelf body 200, the axis of the connecting tube 121 is vertically arranged, the cleaning part 122 is located at the top of the connecting tube 121, the base 110 is connected to the bottom of the connecting tube 121, and the blade 140 extends from the bottom of the connecting tube 121 to the top of the connecting tube 121 along the circumference of the connecting tube 121.

[0059] To ensure that the water flows in the same direction through the blades 140, all blades 140 are tilted in the same direction. That is, along the circumference of the connecting pipe 121, the top of the previous blade 140 is adjacent to the bottom of the next blade 140.

[0060] In some embodiments, such as Figure 6 and Figure 7 As shown, the blade 140 is fan-shaped, and the arc-shaped edge of the blade 140 is connected to the inner wall of the connecting pipe 121. The centers of all blades 140 coincide and are located on the axis of the connecting pipe 121. With this arrangement, the blade 140 has a large guiding area for the water flow, which allows most of the water flow passing through the fluid drive structure to impact the blade 140, thereby increasing the driving force of the water flow.

[0061] To ensure that water can smoothly pass through the fluid drive structure and enter the cleaning section 122, adjacent blades 140 are spaced apart along the circumference of the connecting pipe 121 to form a water passage gap 150. Water entering the connecting pipe 121 can enter the cleaning section 122 through the water passage gap 150 and be sprayed onto the inner wall of the cup 2000 through the spray hole 1221.

[0062] For example, the fluid drive structure includes two blades 140, which are semi-circular. The edges formed by the radii of the two blades 140 are offset along the axial position of the connecting pipe 121 to form a water passage gap 150, thereby ensuring water flow.

[0063] In other embodiments, the number of blades 140 can be set according to actual needs, and can be three, four or more. By increasing the number of blades 140, the total force of the water flow on the blades 140 can be increased, thereby improving the driving effect of the water flow on the rotation of the cleaning head 120, so as to improve the cleaning effect on the cup 2000.

[0064] In some embodiments, the projections of two adjacent blades 140 along the axial direction of the connecting tube 121 can partially overlap. That is, the edges formed by the radii of the blades 140 are spaced apart and arranged opposite each other along the axial direction of the connecting tube 121, which can improve the driving effect on the cleaning head 120.

[0065] It is understandable that the angle between the surface of the blade 140 facing the base 110 and the axis of the connecting pipe 121 affects the driving force of the water flow on the cleaning head 120. For example, the larger the angle between the surface of the blade 140 facing the base 110 and the axis of the connecting pipe 121, the greater the force exerted by the water flow on the cleaning head 120 in the direction of rotation. Therefore, by adjusting the tilt angle of the blade 140, the force acting on the cleaning head 120 in the direction of rotation can be adjusted, thereby ensuring that the cleaning head 120 can rotate smoothly under the action of the water flow.

[0066] Optionally, the angle between the side surface of the blade 140 facing the base 110 and the axis of the connecting pipe 121 can be 20°-80°. For example, the angle can be 20°, 25°, 30°, 35°, 40°, 45°, 50°, 55°, 60°, 65°, 70°, 75°, or 80°.

[0067] In some other embodiments, the fluid drive structure includes a spiral portion disposed on the inner wall of the inner cavity, the spiral portion extending spirally around the axis of the inner cavity, the spiral portion can be a ridge or a groove, and can also drive the cleaning head 120 to rotate by the impact of water flow.

[0068] In some other embodiments, the fluid drive structure includes a drive hole circumferentially tangential to the cleaning head 120, the drive hole communicating with the inner cavity. Water flows through the drive hole to the outside of the cleaning head 120, and the reaction force of the water flow on the inner wall of the drive hole can drive the cleaning head 120 to rotate.

[0069] In other embodiments, the fluid drive structure may include at least two of the blade 140, the helical portion, and the drive hole, so as to increase the force on the cleaning head 120 by cooperating with each other, ensuring that the cleaning head 120 can rotate and has a certain rotation speed.

[0070] To facilitate the rotational connection between the cleaning head 120 and the base 110, in some embodiments, such as Figure 5 As shown, the cleaning head 120 and the base 110 are nested together. Specifically, the connecting tube 121 is sleeved on the outside of the base 110. The inner wall of the connecting tube 121 in the cleaning head 120 near the base 110 is provided with an annular flange 1211. The outer wall of the base 110 is provided with an annular groove. The annular flange 1211 is inserted into the groove and can rotate along the groove, so as to realize the rotational connection between the cleaning head 120 and the base 110.

[0071] In other embodiments, the connecting tube 121 may be inserted into the base 110. Correspondingly, the annular flange 1211 is provided on the outer wall of the connecting tube 121, and the groove is provided on the inner wall of the base 110.

[0072] In other embodiments, the annular flange 1211 can also be provided on the base 110, and correspondingly, the groove is provided on the connecting tube 121, which can also realize the rotatable connection between the cleaning head 120 and the base 110.

[0073] In some embodiments, the base 110 includes a main tube 111, in which at least a partial flow channel is formed. One end of the main tube 111 that connects to the cleaning head 120 is coaxially provided with a first tube body, and a groove is provided on the outer peripheral surface of the first tube body.

[0074] Optionally, the outer diameter of the first tube is smaller than that of the main tube 111, and the connecting tube 121 is sleeved outside the first tube. The outer diameter of the connecting tube 121 is equal to the outer diameter of the end of the main tube 111 that connects to the first tube, so that there is no protruding or recessed structure at the connection between the cleaning head 120 and the base 110, and to avoid dirt or water stains remaining at the connection.

[0075] To facilitate the flow of water into the main pipe 111, a second pipe 112 is provided at the other end of the main pipe 111. The second pipe 112 is used to connect to the water pipe to facilitate the flow of water into the main pipe 111.

[0076] Optionally, the second pipe body 112 is coaxially arranged with the main pipe body 111, and the outer wall of the second pipe body 112 is smaller than the outer wall of the main pipe body 111. When the water-carrying pipe is fitted with the second pipe body 112, the pipe can be sleeved on the second pipe body 112 and limited by the axial end face at the connection between the main pipe body 111 and the second pipe body 112, thus playing a limiting role.

[0077] To increase the spray intensity, in some embodiments, the inner diameter of the main pipe 111 gradually decreases along the axial direction towards the end near the cleaning head 120, causing the flow channel inside the main pipe 111 to contract and increase the spray pressure.

[0078] To facilitate adjustment of the cleaning components' position on the shelf body according to usage needs, the base 110 is provided with a connection structure that can be detachably connected to the shelf body.

[0079] Optionally, the connecting structure is snap-fitted and fixed to the shelf body. (Combined) Figure 5 and Figure 6 As shown, the connection structure includes a slot 114, which is located at the end of the base 110 away from the cleaning head 120. The slot 114 is used to engage with the ribs 210 on the shelf body to fix the cleaning components to the shelf body.

[0080] Specifically, the connection structure also includes a snap-fit ​​arm 113 disposed on the base 110, the snap-fit ​​arm 113 being provided with a snap-fit ​​groove 114, the rib 210 being able to be accommodated in the snap-fit ​​groove 114 to fix the cleaning component to the shelf body, making disassembly convenient.

[0081] Optionally, the slot 114 can be a through slot. By setting the slot 114 as a through slot, the slot 114 can slide and engage with the rib 210. The cleaning component can slide along the rib 210 it engages with without being disassembled, so as to adjust the position of the cleaning component on the shelf body.

[0082] Optionally, the snap-fit ​​arm 113 is disposed on the circumferential outer side of the second tube body 112, and a snap-fit ​​groove 114 is provided on the side of the snap-fit ​​arm 113 facing the second tube body 112. With this arrangement, the outer circumferential surface of the second tube body 112 can cooperate with the snap-fit ​​groove 114 to further limit the rib 210, prevent the rib 210 from disengaging from the snap-fit ​​groove 114, and improve the fixing effect.

[0083] Optionally, at least two snap-fit ​​arms 113 are provided, with at least two snap-fit ​​arms 113 spaced apart circumferentially along the second tube body 112 to improve the fixing effect of the cleaning component.

[0084] In other embodiments, the base 110 can be connected to the shelf body in other ways. For example, the base 110 can be connected to a cover plate by fasteners such as screws. The cover plate and the bottom surface of the base 110 cooperate to clamp the ribs 210, which can also realize the detachable connection between the cleaning component and the shelf body 200.

[0085] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A cleaning assembly, characterized in that, include: A base (110) is provided with a flow channel for introducing a cleaning medium; A cleaning head (120) is rotatably connected to the base (110). The cleaning head (120) has an inner cavity that communicates with the flow channel. The outer wall of the cleaning head (120) is provided with a cleaning component and a spray hole (1221) that communicates with the inner cavity. The cleaning component is used to contact the part to be cleaned. A fluid-driven structure is disposed in the inner cavity, and the fluid-driven structure can drive the cleaning head (120) to rotate relative to the base (110) under the action of the cleaning medium.

2. The cleaning assembly according to claim 1, characterized in that, The cleaning component includes bristles (130) and / or a cleaning layer.

3. The cleaning assembly according to claim 1, characterized in that, The fluid drive structure includes at least two blades (140) disposed in the inner cavity, the blades (140) being inclined relative to the flow direction of the cleaning medium; And / or, the fluid drive structure includes a helical portion disposed on the inner wall of the inner cavity, the helical portion extending helically about the axis of the inner cavity; And / or, the fluid drive structure includes a drive hole circumferentially tangent to the cleaning head (120), the drive hole communicating with the inner cavity.

4. The cleaning assembly according to claim 3, characterized in that, The blade (140) is fan-shaped, and the arc-shaped edge of the blade (140) is connected to the inner wall of the inner cavity. The centers of all the blades (140) coincide. Along the circumference of the inner cavity, two adjacent blades (140) are spaced apart to form a water passage gap (150).

5. The cleaning assembly according to any one of claims 1-4, characterized in that, The cleaning head (120) includes a cleaning part (122) and a connecting pipe (121) connected to each other. The cleaning part (122) is hollow and communicates with the connecting pipe (121). The cleaning component and the spray hole (1221) are disposed in the cleaning part (122). The connecting pipe (121) is rotatably connected to the base (110) and communicates with the flow channel.

6. The cleaning assembly according to claim 5, characterized in that, The fluid drive structure is disposed inside the connecting pipe (121); And / or, the outer wall of the cleaning part (122) is spherical.

7. The cleaning assembly according to any one of claims 1-4, characterized in that, The cleaning head (120) and the base (110) are nested together. One of the cleaning head (120) and the base (110) is provided with an annular groove, and the other of the cleaning head (120) and the base (110) is provided with an annular flange (1211). The annular flange (1211) is rotatably disposed in the groove.

8. The cleaning assembly according to any one of claims 1-4, characterized in that, The base (110) has a connecting structure at the end away from the cleaning head (120), the connecting structure being used for detachable connection with the shelf body.

9. A shelf, characterized in that, Includes a shelf body and a cleaning assembly as described in any one of claims 1-8, wherein the base (110) is connected to the shelf body.

10. A dishwasher, characterized in that, It includes a fuselage and a shelf as described in claim 9, wherein the fuselage has an inner cavity and the shelf body is disposed within the inner cavity.

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