A top spray structure of a dishwasher

Abstract

The utility model discloses a top spray structure of dish washer, including water inlet pipe and rotating shunt structure, and water inlet pipe has the water inlet and water outlet that communicate in proper order along the water direction, rotating shunt structure includes the shift lever and the rotary disc, the shift lever is connected with the supporting piece, and the shift lever swing joint water inlet pipe, and the supporting piece is supported by water inlet pipe, to make the shift lever can shift along the gravity direction relative to water inlet pipe, the rotary disc is installed in the shift lever, and can rotate around the circumferential direction of shift lever relative to water inlet pipe, the rotary disc has the water flow drive rotary part, is located on the injection path of water outlet, to make the water flow drive rotary part drive rotary disc rotation around the circumferential direction of shift lever under the impact of water flow. Through the utility model under the prerequisite of not needing motor drive, enlarge the spraying range, to improve the cleaning effect.

Description

Technical Field

[0001] This utility model relates to the field of dishwasher technology, and in particular to a top spray structure for a dishwasher. Background Technology

[0002] Traditional dishwasher top spray systems typically employ either static spraying or motor-driven spraying. Static spraying is simple, but its fixed water flow path limits coverage and creates numerous blind spots, resulting in uneven cleaning of dishes. While motor-driven spraying, used to improve coverage, expands the rinsing area by rotating the spray arms, it is structurally complex, more expensive, and the motor's long-term operation in the high-temperature, high-humidity environment of the dishwasher poses reliability risks and noise issues.

[0003] Therefore, this utility model provides a top spray structure for a dishwasher that expands the spraying range and improves the cleaning effect without the need for a motor drive. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the purpose of this utility model is to provide a top spray structure for a dishwasher that can expand the spraying range without the need for a motor drive.

[0005] The objective of this utility model is achieved through the following technical solution:

[0006] A top spray structure for a dishwasher includes:

[0007] The water inlet pipe has an inlet and an outlet connected sequentially along the water flow direction;

[0008] A rotary diversion structure includes a zigzag rod and a rotary disk. The zigzag rod is connected to a support member and is movably connected to the inlet pipe. The support member is supported by the inlet pipe, allowing the zigzag rod to move relative to the inlet pipe along the direction of gravity. The rotary disk is mounted on the zigzag rod and can rotate circumferentially around the zigzag rod relative to the inlet pipe. The rotary disk has a water flow-driven rotating part located on the spray path of the outlet, so that the water flow-driven rotating part drives the rotary disk to rotate circumferentially around the zigzag rod under the impact of the water flow.

[0009] Furthermore, the moving rod has a insertion hole that extends radially along the moving rod, and the supported member is inserted into the insertion hole.

[0010] Furthermore, the insertion hole is a through hole structure, and the supported member is a component made of elastic material; the supported member includes two elastic segments connected in sequence, the free ends of the two elastic segments are arranged at intervals, and the distance between them is greater than the diameter of the insertion hole; the diameter of the connection between the two elastic segments is greater than the diameter of the insertion hole.

[0011] Furthermore, the top of the moving rod extends through the top wall of the water inlet pipe to the outside of the water inlet pipe, and the insertion hole is located at the top of the moving rod.

[0012] Furthermore, the diameter of the outlet is smaller than the diameter of the inlet.

[0013] Furthermore, the moving rod is provided with a support portion, and the rotary table is movably sleeved on the moving rod so as to be able to rotate around the moving rod in a circumferential direction relative to the moving rod; the rotary table is supported by the support portion; the support portion is provided at the bottom of the moving rod.

[0014] Furthermore, the rotary table and the swaying rod are spaced apart to form a swaying clearance groove, which is used to allow the rotary table to sway relative to the swaying rod.

[0015] Furthermore, the water flow driving rotating part is a diverting blade, and there are multiple diverting blades. The multiple diverting blades are distributed circumferentially around the moving rod, and the diverting blades extend from the inside to the outside along the radial direction of the rotary disk; the water outlet faces the rotation center of the rotary disk.

[0016] Furthermore, the outer edge of the rotary table is provided with a notch and multiple water-spraying support plates. The notch is located between two adjacent water-spraying support plates and penetrates the rotary table along its thickness direction.

[0017] Furthermore, the water-spraying support plate is provided in multiple pieces, and the multiple water-spraying support plates are distributed at intervals along the circumference of the moving rod.

[0018] Furthermore, the rotary table is provided with a connecting strip on the outer edge of the notch, and the two ends of the connecting strip are respectively connected to one of the water-spraying support plates, so that the notch forms a through hole structure.

[0019] Furthermore, the distance between the water-spraying support plate and the rotation axis of the rotary table is defined as the water-spraying distance, and there are at least two water-spraying distances that are not equal.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0021] 1. Based on a dynamic spray design combining the circumferential rotation of the rotary table and the axial movement of the traverse rod, this top spray structure achieves an expanded cleaning coverage area and a significant improvement in cleaning uniformity. This three-dimensional composite motion allows the sprayed water to form a constantly changing, undulating three-dimensional rinsing network, thereby expanding its coverage area at the top of the dishwasher cavity. This dynamic water flow can reach hidden corners and the backs of dishes that are difficult to reach by traditional fixed spray arms or single rotating spray arms, effectively eliminating cleaning dead spots. Compared to static spray with a fixed trajectory, this irregular multi-angle impact can perform a more thorough scanning rinse on the surface of the dishes, removing residual stains more times and more effectively, improving the cleaning effect without adding any electric components.

[0022] 2. This design, employing a pure water-powered drive without a motor, fundamentally avoids the reliability risks associated with traditional motors under the harsh conditions of high temperature and humidity in dishwashers, such as insulation aging, short circuits, and component corrosion. This enhances the product's durability and lifespan. Simultaneously, this design completely eliminates the electromagnetic noise and mechanical vibration generated by the motor, ensuring that the dishwasher's operating noise is primarily the gentle sound of flowing water, further improving the user's kitchen environment experience. In terms of economic benefits, this structure eliminates complex components such as motors, seals, and corresponding control circuits, directly reducing material costs and simplifying the assembly process. It also reduces the probability of after-sales repairs due to electrical faults, thus achieving lower overall costs throughout the dishwasher's operating cycle. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the top spray structure of a dishwasher according to the present invention;

[0024] Figure 2 for Figure 1 The cross-sectional view shown;

[0025] Figure 3 for Figure 1 A bottom view.

[0026] In the diagram: 1. Inlet pipe; 101. Inlet; 102. Outlet; 2. Rotary diversion structure; 201. Moving rod; 211. Insertion hole; 212. Support part; 202. Rotary disc; 221. Water flow driven rotating part; 3. Supported part; 4. Shaking clearance groove; 5. Notch; 6. Water-throwing support plate; 7. Connecting strip; 8. Water-throwing distance. Detailed Implementation

[0027] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0028] It should be noted that when an element is described as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is described as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementations.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the specification of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0030] See Figures 1-3 A preferred embodiment of the present invention provides a top spray structure for a dishwasher, comprising a water inlet pipe 1 and a rotating diversion structure 2. The water inlet pipe 1 has an inlet 101 and an outlet 102 connected sequentially along the water flow direction. The rotating diversion structure 2 includes a moving rod 201 and a rotary table 202. The moving rod 201 is connected to a support member 3, and the moving rod 201 is movably connected to the water inlet pipe 1. The support member 3 is supported by the water inlet pipe 1 so that the moving rod 201 can move relative to the water inlet pipe 1 in the direction of gravity. The rotary table 202 is mounted on the moving rod 201 and can rotate circumferentially around the moving rod 201 relative to the water inlet pipe 1. The rotary table 202 has a water flow driven rotating part 221 located on the spray path of the outlet 102, so that the water flow driven rotating part 221 drives the rotary table 202 to rotate circumferentially around the moving rod 201 under the impact of the water flow.

[0031] The working principle of this utility model is as follows: During operation, washing water enters the inlet pipe 1 from the inlet 101 and is ejected at high speed from the outlet 102. This water flow directly impacts the rotating part 221 of the rotary disc 202 mounted on the traversing rod 201, using the kinetic energy of the water to drive the rotary disc 202 to rotate continuously around the circumference of the traversing rod 201. At the same time, the supported part 3 connected to the traversing rod 201 is supported and constrained by the inlet pipe 1, allowing the traversing rod 201 to move adaptively along the direction of gravity. Through the combination of the rotational motion of the rotary disc 202 and the vertical movement of the traversing rod 201, the spray holes on the rotary disc 202 form a three-dimensional dynamic spray trajectory that is both rotating and undulating. This design does not require a motor drive, but only uses water power to expand the spray coverage area and effectively reduce rinsing dead corners.

[0032] Clearly, based on the dynamic spray design combining the circumferential rotation of the rotary table 202 and the axial movement of the traverse rod 201, this top spray structure achieves an expanded cleaning coverage area and a significant improvement in cleaning uniformity. This three-dimensional composite motion allows the sprayed water to form a constantly changing, undulating three-dimensional rinsing network, thereby expanding its coverage area at the top of the dishwasher cavity. This dynamic water flow can reach hidden corners and the backs of dishes that are difficult to reach by traditional fixed spray arms or single rotating spray arms, effectively eliminating cleaning dead zones. Compared to static spray with a fixed trajectory, this irregular multi-angle impact can perform a more thorough scanning rinse on the surface of the dishes, removing residual stains more times and more effectively, improving the cleaning effect without adding any electric components.

[0033] This design, employing a motorless, purely hydraulic drive, fundamentally avoids the reliability risks associated with traditional motors under the harsh conditions of high temperature and humidity in dishwashers, such as insulation aging, short circuits, and component corrosion, thereby improving product durability and lifespan. Simultaneously, this design completely eliminates the electromagnetic noise and mechanical vibration generated during motor operation, ensuring that the dishwasher's noise level is primarily the gentle sound of flowing water, further enhancing the user's kitchen environment experience. In terms of economic benefits, this structure eliminates complex components such as motors, seals, and corresponding control circuits, directly reducing material costs and simplifying the assembly process. It also reduces the probability of after-sales repairs due to electrical faults, resulting in lower overall costs throughout the dishwasher's operating cycle.

[0034] More preferably, the moving rod 201 has a insertion hole 211, which extends radially along the moving rod 201, and the supported part 3 is inserted into the insertion hole 211. The design of the insertion hole 211 in this design improves the convenience of assembly and the reliability of the connection. The supported part 3 can be an independent pin, a section of needle roller, or a short shaft, and a reliable connection with the moving rod 201 can be achieved through simple radial insertion, simplifying the assembly process and improving production efficiency. This insertion structure makes the supported part 3 a radially protruding support point on the moving rod 201, forming a stable and clear line contact or point contact with the support structure of the water inlet pipe 1, ensuring that the moving rod 201 will not detach from the water inlet pipe 1. Furthermore, the standardized and modular design facilitates the separate manufacturing and material optimization of the two parts. For example, the pulsating rod 201 can be made of wear-resistant engineering plastic, while the supported part 3 can be made of smoother and more wear-resistant metal or ceramic materials, thereby controlling costs while further improving the mechanical performance and service life of the entire rotary diverting mechanism.

[0035] More preferably, the insertion hole 211 is a through-hole structure, and the supported member 3 is a component made of elastic material. The supported member 3 includes two elastic segments connected in sequence, with the free ends of the two elastic segments spaced apart from each other, and the distance between them is greater than the diameter of the insertion hole 211. The diameter of the connection between the two elastic segments is greater than the diameter of the insertion hole 211. In this embodiment, this structure achieves quick, stable, and snap-fit ​​assembly without the need for additional fasteners. During assembly, the deformation capability of the elastic material is utilized to compress the connection between the two elastic segments and pass them through the insertion hole 211. Since the diameter of the connection is greater than the hole diameter, once it passes through, it will quickly spring back and lock onto the outside of the hole wall, forming a reliable axial limit. This effectively prevents the supported member 3 from accidentally loosening from the insertion hole 211 during movement, improving the convenience of assembly and the overall reliability of the connection. It is worth noting that this design integrates the support function and the elastic buffer function. When the supported component 3 bears the support force of the water inlet pipe 1 and copes with the impact of surging, its elastic segment can play a good role in buffering and self-adjustment, which helps to absorb vibration and noise during operation and reduce wear of contact parts, thereby further improving the stability and durability of the top spray structure.

[0036] More preferably, the top of the agitator 201 extends through the top wall of the inlet pipe 1 to the outside of the inlet pipe 1, and the insertion hole 211 is located at the top of the agitator 201. In this embodiment, the supported component 3 is located outside the inlet pipe 1 and isolated from the internal water flow channel. The supported component 3 and its supporting contact surface with the inlet pipe 1 do not come into contact with the high-speed water flow, thereby avoiding the risk of scale accumulation and wear in this critical moving part, improving the long-term reliability of the mechanism and reducing maintenance requirements. This layout provides great convenience for assembly and maintenance. Operators do not need to disassemble the inlet pipe 1 or access the complex internal flow channel. They can directly and quickly insert and install or replace the supported component 3 at the top of the dishwasher cavity, improving the efficiency of production assembly and after-sales maintenance. Finally, this external design frees up the internal space of the inlet pipe 1, reduces the complexity of the flow channel structure, helps optimize the internal water flow pattern, reduces hydraulic loss, and ensures that more water flow energy is efficiently used to drive the rotary table 202 to rotate, thereby indirectly improving cleaning efficiency.

[0037] More preferably, the diameter of the outlet 102 is smaller than that of the inlet 101. When the washing water flows from the wide inlet 101 to the narrow outlet 102, the reduced cross-sectional area of ​​the flow channel forces the water flow to accelerate, thereby increasing the speed and dynamic pressure of the water jet from the outlet 102. This concentrated and accelerated high-energy water flow can impact the water flow drive rotation unit 221 of the rotary disc 202 more far and more concentratedly, thus more efficiently converting the kinetic energy of the water flow into the mechanical energy to drive the rotary disc 202 to rotate. This ensures that even when the inlet water pressure fluctuates or is low, the rotation mechanism can be reliably started and maintain stable and powerful rotation. At the same time, the higher jet speed also directly translates into a stronger impact force on the surface of the tableware, which is especially helpful in removing firmly adhered dried stains, improving cleaning efficiency and effect.

[0038] More preferably, the moving rod 201 is provided with a support part 212, and the rotary table 202 is movably sleeved on the outside of the moving rod 201 so that it can rotate circumferentially around the moving rod 201 relative to the moving rod 201; the rotary table 202 is supported by the support part 212; the support part 212 is located at the bottom of the moving rod 201. The core purpose of this design is to introduce a third dimension of motion freedom by allowing the rotary table 202 to rotate independently relative to the moving rod 201 while the moving rod 201 moves up and down. This design breaks the traditional periodic spraying pattern, making the water flow highly undirected and unpredictable in both time and space. The water flow can cover every corner of the dishwasher cavity and the dishes at infinitely many angles and trajectories, repeatedly rinsing those static dead corners that have long existed in the fixed spraying pattern, thereby solving the problem of uniform cleaning and achieving a cleaning effect without differences or dead corners.

[0039] More preferably, the rotary table 202 and the traction rod 201 are spaced apart to form a swaying avoidance groove 4, which allows the rotary table 202 to sway relative to the traction rod 201. In this embodiment, the swaying avoidance groove 4 can absorb the instantaneous impact energy of the water flow, preventing the mechanism from stopping or being damaged due to jamming, thus improving operational reliability. At the same time, this energy is converted into the power to drive the rotary table 202 to sway in an undirected manner. This limited swaying further increases the randomness and coverage of the water spray trajectory, allowing it to adapt more flexibly to the complex environment inside the cavity and reach more cleaning dead spots that are difficult to cover by traditional rigid structures. This design, while ensuring the core motion function, enhances the anti-interference ability, durability, and cleaning effect of the entire top spray system by introducing a flexible buffer mechanism.

[0040] More preferably, the water-driven rotating part 221 is a splitting blade, with multiple splitting blades distributed circumferentially around the pulsating rod 201. The splitting blades extend radially from the inside to the outside along the rotary disk 202; the outlet 102 faces the rotation center of the rotary disk 202. The water flow ejected from the outlet 102 is guided to the root of the blades (i.e., the rotation center), so that the water flow impact force can act on the starting point of the lever arm to the maximum extent, thereby generating the maximum rotational torque. This ensures that the rotary disk 202 can be driven efficiently and reliably, and can start smoothly even under low water pressure conditions. When the water flow impacts the blades, it is effectively captured, divided, and guided to multiple different angles by these radially distributed blades. This not only transforms a single water flow into multiple uniform rotational driving forces, reducing torque pulsation and making the rotation smoother, but also simultaneously completes the process of radiating and splitting the central water flow to the surrounding areas, realizing the integration of driving and splitting. This structure allows the sprayed water to cover a wider area and be more evenly distributed, thereby improving the cleaning coverage and cleaning uniformity of the dishwasher's interior.

[0041] More preferably, the outer edge of the rotary table 202 is provided with a notch 5 and multiple water-spraying support plates 6. The notch 5 is located between two adjacent water-spraying support plates 6 and penetrates the rotary table 202 along its thickness direction. When the water flow driven to the edge of the rotary table 202 by the diverting blades impacts the water-spraying support plate 6, its rotational kinetic energy is fully received and converted into outward splashing power, thereby accurately throwing the water flow into the inner cavity of the dishwasher at a higher linear velocity. At this time, the through notch 5 between adjacent water-spraying support plates 6 provides another low-resistance direct spray path for the water flow. This part of the water flow can maintain its original trajectory and fill the near-field coverage blind spots caused by rotation. This combined effect of water-spraying and direct spraying forms a three-dimensional cleaning network covering high, medium, and low levels, avoiding near-end dead corners of spraying and improving the uniformity of dishwashing.

[0042] More preferably, the spin-off support plate 6 is provided in multiple pieces, and the multiple spin-off support plates 6 are distributed at intervals along the circumference of the rotating rod 201. When the rotary table 202 rotates, these evenly distributed spin-off support plates 6 can periodically and continuously catch and spin out the water flow, thereby forming a series of continuous and evenly distributed water curtains in the inner cavity of the dishwasher. This circumferential uniformity ensures that the inner cavity sidewalls and the tableware placed around them receive a cleaning action with basically consistent frequency and impact force from all angles, effectively avoiding local cleaning blind spots or weak cleaning areas caused by uneven distribution of spin-off points.

[0043] More preferably, the rotary disc 202 has a connecting strip 7 on the outer edge of the notch 5, with each end of the connecting strip 7 connected to one of the water-spraying support plates 6, so that the notch 5 forms a through-hole structure. When the rotary disc 202 rotates at high speed, the water flowing out of the traditional open notch 5 is subjected to a huge centrifugal force, and most of it is prematurely and disorderly thrown outward, resulting in excessive dispersion of water flow, rapid energy attenuation, and difficulty in effectively reaching and rinsing the tableware located in the near-field area directly below the rotary disc 202. The added connecting strip 7 forms a guiding channel (through-hole structure), which can effectively constrain and guide the water flow through the notch 5, resist the interference of centrifugal force, and keep it more in a downward spray direction in the initial stage. This ensures that the water flow with sufficient kinetic energy can directly and concentratedly impact the surface of the tableware directly below to remove stubborn stains, thereby balancing the relationship between the wide coverage of centrifugal water spraying and the vertical spray rinsing method, and achieving a better cleaning effect that takes into account both near and far areas.

[0044] More preferably, the distance between the water-spraying support plate 6 and the rotation axis of the rotary table 202 is defined as the water-spraying distance 8, and at least two water-spraying distances 8 are not equal. (Reference) Figure 1 and Figure 3 In the top spray structure of this dishwasher, the water-spinning distance 8 between the spin-off support plate 6 and the rotation axis of the rotary disc 202 is not completely equal (b≠c), thus achieving diversification and complexity of the water-spinning trajectory. This non-equidistant design breaks the periodic and repetitive spraying pattern formed by the traditional uniformly distributed spin-off plates, making the water flow distribution in the dishwasher cavity more random and widespread. At the same rotation speed, the spin-off support plates 6 with different spin-off distances 8 have different outer edge linear velocities, thus throwing the water out with different initial velocities and angles, forming a composite water curtain covering the near and far fields with alternating strengths. This design effectively avoids fixed rinsing blind spots that may be formed due to a single spin-off trajectory, improves the uniformity and irregularity of water flow coverage, thereby further enhancing the cleaning effect and ensuring that all surfaces of the tableware are thoroughly rinsed. It should be noted that in one embodiment, the water-throwing distance 8 between the rotation axis of the rotary table 202 and the notch 5 is a, and the lengths of a, b, and c increase sequentially to cover more rinsing areas.

[0045] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of those different embodiments or examples.

[0046] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0047] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this application, and these should all be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A top spray structure for a dishwasher, characterized in that, include: Water inlet pipe (1), the water inlet pipe (1) has a water inlet (101) and a water outlet (102) connected sequentially along the water flow direction. A rotating diversion structure (2) includes a moving rod (201) and a rotary disk (202); the moving rod (201) is connected to a supported member (3), the moving rod (201) is movably connected to the water inlet pipe (1), the supported member (3) is supported by the water inlet pipe (1) so that the moving rod (201) can move relative to the water inlet pipe (1) in the direction of gravity; the rotary disk (202) is installed on the moving rod (201) and can rotate around the moving rod (201) circumferentially relative to the water inlet pipe (1); the rotary disk (202) has a water flow driven rotating part (221) located on the spray path of the water outlet (102) so that the water flow driven rotating part (221) drives the rotary disk (202) to rotate around the moving rod (201) circumferentially under the impact of the water flow.

2. The top spray structure of a dishwasher according to claim 1, characterized in that, The moving rod (201) has a insertion hole (211) that extends radially along the moving rod (201), and the supported member (3) is inserted into the insertion hole (211).

3. The top spray structure of a dishwasher according to claim 2, characterized in that, The insertion hole (211) is a through hole structure, and the supported member (3) is a component made of elastic material; the supported member (3) includes two elastic segments connected in sequence, the free ends of the two elastic segments are arranged at intervals, and the distance between them is greater than the diameter of the insertion hole (211); the diameter of the connection between the two elastic segments is greater than the diameter of the insertion hole (211).

4. The top spray structure of a dishwasher according to claim 2, characterized in that, The top of the moving rod (201) extends through the top wall of the water inlet pipe (1) to the outside of the water inlet pipe (1), and the insertion hole (211) is located at the top of the moving rod (201).

5. The top spray structure of a dishwasher according to claim 1, characterized in that, The diameter of the outlet (102) is smaller than the diameter of the inlet (101).

6. The top spray structure of a dishwasher according to claim 1, characterized in that, The moving rod (201) is provided with a support part (212), and the rotary table (202) is movably sleeved on the outside of the moving rod (201) so that it can rotate around the moving rod (201) in a circumferential direction relative to the moving rod (201); the rotary table (202) is supported by the support part (212); the support part (212) is provided at the bottom of the moving rod (201).

7. The top spray structure of a dishwasher according to claim 6, characterized in that, The rotary table (202) and the swaying rod (201) are spaced apart to form a swaying relief groove (4), which is used to allow the rotary table (202) to sway relative to the swaying rod (201).

8. The top spray structure of a dishwasher according to claim 1, characterized in that, The water flow driven rotating part (221) is a flow divider blade. There are multiple flow divider blades. The multiple flow divider blades are distributed circumferentially around the moving rod (201). The flow divider blades extend from the inside to the outside along the radial direction of the rotary disk (202). The water outlet (102) faces the rotation center of the rotary disk (202).

9. The top spray structure of a dishwasher according to claim 1, characterized in that, The turntable (202) has a notch (5) and multiple water-spraying support plates (6) at its outer edge. The notch (5) is located between two adjacent water-spraying support plates (6) and penetrates the turntable (202) along its thickness direction.

10. The top spray structure of a dishwasher according to claim 9, characterized in that, The water-spraying support plate (6) is provided in multiple pieces, and the multiple water-spraying support plates (6) are distributed at intervals along the circumference of the moving rod (201).

11. The top spray structure of a dishwasher according to claim 9, characterized in that, The rotary table (202) has a connecting strip (7) on the outer edge of the notch (5), and the two ends of the connecting strip (7) are respectively connected to one of the water-spraying support plates (6) so that the notch (5) forms a through hole structure.

12. The top spray structure of a dishwasher according to claim 10, characterized in that, The distance between the water-spraying support plate (6) and the rotation axis of the rotary table (202) is defined as the water-spraying distance (8), and there are at least two water-spraying distances (8) that are not equal.

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