Spray assembly and dishwasher

Abstract

The application discloses a spraying assembly and a dishwasher. The spraying assembly comprises a spraying pipe, a first nozzle, a second nozzle and a water distribution switch. The spraying pipe is internally provided with a first water flow channel and a second water flow channel. The first nozzle is arranged on the spraying pipe and communicates with the first water flow channel. The second nozzle is arranged on the spraying pipe and communicates with the second water flow channel. The water distribution switch is arranged on the spraying pipe and is adapted to control the on-off of the first water flow channel and the on-off of the second water flow channel. In the application, the water distribution switch can control the on-off of the first water flow channel and the on-off of the second water flow channel through the cooperation of the spraying pipe, the first nozzle, the second nozzle and the water distribution switch. Therefore, the appropriate nozzle can be selected to clean tableware, and the complex and more cleaning requirements can be met.

Description

Technical Field

[0001] This application relates to the field of dishwasher technology, and in particular to a spray assembly and a dishwasher. Background Technology

[0002] Dishwashers are generally equipped with rotating spray arms. The spray arms rotate by the backflow of water when they spray water. However, these spray arms have the problem of not being able to clean thoroughly and are difficult to clean containers such as bottles and cups. To address this, related technologies have developed spray components suitable for cleaning the aforementioned containers, also known as zone wash spray arms. With the continuous development of dishwasher technology, the current zone wash spray arms still need to be improved to meet complex cleaning needs. Utility Model Content

[0003] This application aims to at least partially solve one of the technical problems in the related art. To this end, this application proposes a spray assembly.

[0004] To achieve the above objectives, this application discloses a spray assembly, the spray assembly comprising: The nozzle has a first water flow channel and a second water flow channel inside. A first nozzle is disposed on the nozzle and communicates with the first water flow channel; A second nozzle, wherein the second nozzle is disposed in the nozzle and communicates with the second water flow channel; and A water distribution switch is provided on the nozzle to control the opening and closing of the first water flow channel and the second water flow channel.

[0005] In some embodiments, the water distribution switch includes a water distributor, a water distribution plate, and an operating component. The water distributor has a water inlet and a water distribution cavity communicating with the water inlet. The water distribution plate is rotatably disposed relative to the water distributor and has a water passage hole communicating with the water distribution cavity. The operating component is connected to the water distribution plate to drive the water distribution plate to rotate. The water distribution plate is adapted to change the position of the water passage hole when rotating, so as to control the opening and closing of the first water flow channel and the opening and closing of the second water flow channel.

[0006] In some embodiments, the nozzle is provided with a first connecting port and a second connecting port, the first connecting port being connected to the first water flow channel, and the second connecting port being connected to the second water flow channel; The water divider is adapted to connect the first water flow channel when at least a portion of the water passage is opposite to the first connecting port, and is adapted to disconnect the first water flow channel when the water passage and the first connecting port are misaligned. The water divider is adapted to connect the second water flow channel when at least a portion of the water passage is opposite to the second communication port, and is adapted to disconnect the second water flow channel when the water passage and the second communication port are misaligned.

[0007] In some embodiments, the water divider is adapted to connect the first water flow channel and disconnect the second water flow channel when it is moved to a first position; And / or, the water divider is adapted to connect the second water flow channel and disconnect the first water flow channel when it is moved to the second position; And / or, the water divider is adapted to connect the first water flow channel and the second water flow channel when it is moved to the third position; And / or, the water divider is adapted to disconnect the first water flow channel and the second water flow channel when it is moved to the fourth position.

[0008] In some embodiments, the water distributor has a first end and a second end that are respectively connected to the water distribution chamber. The first end and the second end are arranged along the rotation axis of the water divider. The water divider is rotatably disposed at the first end, and the operating member is rotatably disposed at the second end. The operating member and the water divider are connected through the water distribution chamber.

[0009] In some embodiments, the operating element and the water divider are connected by a connecting rod located in the water distribution chamber and offset from the rotation axis of the water divider.

[0010] In some embodiments, the first region of the nozzle is provided with the first communication port and the second communication port, the first end of the water distributor is sleeved on the first region, and the water divider and the first region are rotatably connected.

[0011] In some embodiments, the first connecting port and the second connecting port are arranged alternately along the direction of rotation around the axis of rotation of the water divider, and the water passage hole is set off from the axis of rotation of the water divider; And / or, the water-dividing plate is in contact with the plane of the first region.

[0012] In some embodiments, the nozzle is provided with a cover surrounding the first region, the interior of which is formed an open mounting cavity, and the water distributor is adapted to be mounted in the mounting cavity from the open end of the mounting cavity.

[0013] In some embodiments, the end of the cover away from the first region is provided with a first notch communicating with the mounting cavity, a baffle is formed around the periphery of the first notch, an outer step is provided around the second end of the water distributor, the outer step abuts against the baffle, and the operating component is exposed through the first notch; And / or, the water distributor also has a support arm located between the first end and the second end, the support arm having the water inlet, the cover having a second notch communicating with the mounting cavity, the support arm being engaged with the second notch and extending out of the cover through the second notch.

[0014] In some embodiments, the operating element includes an indicator portion located above the cover, the cover portion having a mark indicating that at least one of the first water flow channel and the second water flow channel is connected, the indicator portion being adapted to engage with the mark.

[0015] In some embodiments, the first nozzle is gradually expanded from its first injection port in the opposite direction to the injection direction.

[0016] In some embodiments, the second nozzle includes a nozzle seat and an impeller. The nozzle seat has a receiving cavity communicating with the second water flow channel and a second injection port communicating with the receiving cavity. The impeller is rotatably mounted in the receiving cavity.

[0017] In some embodiments, the nozzle seat is provided with a plurality of alternating first buckles along the edge of the second injection port; The impeller includes a center portion, blade portions, and a retaining ring portion. The inner side of the blade portions is located in the center portion. A plurality of blade portions are arranged in a direction around the center portion. The retaining ring portion surrounds the plurality of blade portions and is connected to the outer side of the blade portions. The impeller is adapted to abut against the first undercut in a direction away from the receiving cavity.

[0018] In some embodiments, the retaining ring portion includes an outer ring and an inner ring, a stepped space is formed between the outer ring and the inner ring, the first undercut is adapted to be embedded in the stepped space, the outer ring is adapted to abut against the first undercut in the direction in which the impeller disengages from the receiving cavity, and the inner ring is adapted to abut against the first undercut in the radial direction of the impeller.

[0019] In some embodiments, the bottom of the accommodating cavity forms a conical tip, and the central portion is a hollow structure that can rotatably abut against the conical tip.

[0020] In some embodiments, a plurality of first nozzles are disposed on a first side of the nozzle and are arranged alternately along the extension direction of the nozzle, and a plurality of second nozzles are disposed on a second side of the nozzle and are arranged alternately along the extension direction of the nozzle.

[0021] A second aspect of this application discloses a dishwasher that includes the aforementioned spray assembly.

[0022] The technical solution of this application uses a spray pipe, a first nozzle, a second nozzle and a water distribution switch to control the opening and closing of the first water flow channel and the second water flow channel. This allows for the selection of appropriate nozzles (first nozzle and second nozzle) to clean tableware, which helps to meet complex and more diverse cleaning needs.

[0023] Other advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description or may be learned by practice of this application. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other designs can be obtained based on the structures shown in these drawings without creative effort.

[0025] Figure 1 These are schematic diagrams of the spray assembly in some embodiments; Figure 2 for Figure 1 A magnified view of a portion of the structure shown; Figure 3 Cross-sectional views of the spray assembly in some embodiments; Figure 4 for Figure 3 A magnified view of a portion of the structure shown; Figure 5 This is an exploded view of the spray assembly in some embodiments; Figure 6 This is a schematic diagram of the combination of the cover and the nozzle in some embodiments; Figure 7 This is a schematic diagram of a water distribution switch in some embodiments; Figure 8 This is another schematic diagram of the water diversion switch in some embodiments; Figure 9 Exploded view of the water distribution switch in some embodiments; Figure 10 This is a cross-sectional view of the water diversion switch in some embodiments; Figure 11 This is a schematic diagram showing the water separator rotating to the first position in some embodiments; Figure 12 This is a schematic diagram showing the water separator rotating to the second position in some embodiments; Figure 13 This is a schematic diagram showing the water separator rotating to the third position in some embodiments; Figure 14 This is a schematic diagram showing the water separator rotating to the fourth position in some embodiments; Figure 15 This is a schematic diagram of the first nozzle in some embodiments; Figure 16 This is a schematic diagram of the second nozzle in some embodiments; Figure 17 An exploded view of the second nozzle in some embodiments; Figure 18 This is a cross-sectional view of the second nozzle in some embodiments; Figure 19 for Figure 18 A magnified view of a portion of the structure shown.

[0026] Explanation of icon numbers: First nozzle 100, first spray port 110, second nozzle 200, nozzle seat 210, receiving cavity 211, second spray port 2111, first inverted clasp 212, conical tip 213, impeller 220, center portion 221, blade portion 222, retaining ring portion 223, outer ring 2231, inner ring 2232, stepped space 2233, nozzle 300, first water flow channel 310, second water flow channel 320, first area 330, first connecting port 331, second connecting port 332, shaft hole 333, water distribution switch 400 Water distributor 410, first end 411, second end 412, inner step 4121, outer step 4122, support arm 413, water inlet 4131, water distribution chamber 414, water divider 420, water passage hole 421, rotating shaft 422, rotating axis 423, operating component 430, second buckle 431, indicator part 432, connecting rod 440, cover 500, mounting cavity 510, first notch 520, baffle 521, second notch 530, marking 540, first marking 541, second marking 542, third marking 543.

[0027] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0028] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0029] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0030] In this application, unless otherwise expressly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0031] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. If the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed in this application.

[0032] The first aspect of this application discloses a spray assembly, which in some embodiments is combined with Figures 1 to 5 As shown, the spray assembly includes a spray pipe 300, a first nozzle 100, a second nozzle 200, and a water diversion switch 400. The spray pipe 300 has a first water flow channel 310 and a second water flow channel 320 inside. The first nozzle 100 is located in the spray pipe 300 and communicates with the first water flow channel 310. The second nozzle 200 is located in the spray pipe 300 and communicates with the second water flow channel 320. The water diversion switch 400 is located in the spray pipe 300 to control the opening and closing of the first water flow channel 310 and the second water flow channel 320.

[0033] In this embodiment, the spray pipe 300, the first nozzle 100, the second nozzle 200 and the water diversion switch 400 work together. The water diversion switch 400 can control the opening and closing of the first water flow channel 310 and the second water flow channel 320. In this way, appropriate nozzles (first nozzle 100 and second nozzle 200) can be selected to clean the tableware, which helps to meet complex and more diverse cleaning needs.

[0034] Specifically, the nozzle 300 is used to connect to the basket, allowing the spray assembly to be installed on the basket. The nozzle 300 and the basket are relatively stationary, and as the basket is pulled out and moved, the spray assembly moves synchronously. The nozzle 300 has a first water flow channel 310 and a second water flow channel 320 inside. When water is delivered towards the nozzle 300, the first water flow channel 310 receives the water flow, and the second water flow channel 320 also receives the water flow. A first nozzle 100 is disposed on the nozzle 300 and communicates with the first water flow channel 310, and a second nozzle 200 is disposed on the nozzle and communicates with the second water flow channel 320. The water flow received by the first water flow channel 310 can be sprayed out from the first nozzle 100, and the water flow received by the second water flow channel 320 can be sprayed out from the second nozzle 200. When using the first nozzle 100 to clean tableware, the tableware needs to be placed upside down on the dish rack, and the first nozzle 100 sprays water upwards to spray the inside of the tableware. When using the second nozzle 200 to clean tableware, the tableware also needs to be placed upside down on the dish rack, and the second nozzle 200 sprays water upwards to spray the inside of the tableware.

[0035] Whether the first water flow channel 310 and the second water flow channel 320 receive water flow is controlled by the water diversion switch 400. The water diversion switch 400 is set in the nozzle 300, specifically between the first water flow channel 310 and the water supply pipeline, and between the second water flow channel 320 and the water supply pipeline. When the water flow is delivered towards the nozzle 300, it needs to flow through the water diversion switch 400 first. The water diversion switch 400 controls the opening and closing (connection and disconnection) of the first water flow channel 310 and the second water flow channel 320. In this way, the water diversion switch 400 controls the direction of water flow.

[0036] The water diversion switch 400 controls the opening and closing of the first water flow channel 310 and the second water flow channel 320. That is, the water diversion switch 400 has the functions of controlling the opening and closing of the first water flow channel 310, the opening and closing of the second water flow channel 320, and the closing and closing of the second water flow channel 320. When the water diversion switch 400 controls the first water flow channel 310 to open, water can flow towards the first water flow channel 310; when the water diversion switch 400 controls the first water flow channel 310 to close, water cannot flow towards the first water flow channel 310. Similarly, when the water diversion switch 400 controls the second water flow channel 320 to open, water can flow towards the second water flow channel 320; when the water diversion switch 400 controls the second water flow channel 320 to close, water cannot flow towards the second water flow channel 320.

[0037] The water distribution switch 400 controls the opening and closing of the first water flow channel 310 and the second water flow channel 320, including the following situations: The water diversion switch 400 controls one of the first water flow channel 310 and the second water flow channel 320 to be connected while the other is disconnected. For example, the water diversion switch 400 controls the first water flow channel 310 to be connected while the second water flow channel 320 is disconnected; or, conversely, the water diversion switch 400 controls the first water flow channel 310 to be disconnected while the second water flow channel 320 is connected. In this case, water can only flow into either the first water flow channel 310 or the second water flow channel 320.

[0038] Based on the water diversion switch 400 controlling one of the first water flow channel 310 and the second water flow channel 320 to be turned on and the other to be turned off, the water diversion switch 400 can also simultaneously control the first water flow channel 310 to be turned on and the second water flow channel 320 to be turned on, so that water can enter both the first water flow channel 310 and the second water flow channel 320, thus enabling both the first nozzle 100 and the second nozzle 200 to spray water.

[0039] Based on the water diversion switch 400 controlling one of the first water flow channel 310 and the second water flow channel 320 to be connected and the other to be disconnected, the water diversion switch 400 can also simultaneously control the first water flow channel 310 to be disconnected and control the second water flow channel 320 to be disconnected, so that the water flow can neither enter the first water flow channel 310 nor the second water flow channel 320, thus preventing the first nozzle 100 and the second nozzle 200 from spraying water.

[0040] Depending on the type and size of the tableware and the remaining capacity of the dish rack, the first nozzle 100 and / or the second nozzle 200 can be used to clean the tableware, thus meeting complex cleaning needs and being suitable for more cleaning scenarios.

[0041] Optionally, the first nozzle 100 is disposed on the first side of the spray pipe 300, and the second nozzle 200 is disposed on the second side of the spray pipe 300, so that the spray assembly can clean the tableware in at least two directions, and the tableware can be cleaned by choosing the more suitable first nozzle 100 or second nozzle 200.

[0042] Optionally, the structures of the first nozzle 100 and the second nozzle 200 are different, thus resulting in different spraying effects to meet the cleaning needs of different types of tableware.

[0043] The first nozzle 100 and the second nozzle 200 can also be used simultaneously to clean tableware, meeting the needs of cleaning more quantities / types of tableware.

[0044] Understandably, when the water diversion switch 400 disconnects both the first water flow channel 310 and the second water flow channel 320, water cannot be sprayed from the first nozzle 100 and the second nozzle 200. In other words, when the spray assembly is not needed, the water diversion switch 400 can be used to simultaneously control the first water flow channel 310 and the second water flow channel 320 to avoid a drop in water pressure in other spray arms.

[0045] Combination Figures 1 to 14 As shown, in some embodiments, the water distribution switch 400 includes a water distributor 410, a water distribution plate 420, and an operating member 430. The water distributor 410 is provided with a water inlet 4131 and a water distribution cavity 414 communicating with the water inlet 4131. The water distribution plate 420 is rotatably disposed relative to the water distributor 410 and is provided with a water passage hole 421 communicating with the water distribution cavity 414. The operating member 430 is connected to the water distribution plate 420 so as to drive the water distribution plate 420 to rotate. The water distribution plate 420 is adapted to change the position of the water passage hole 421 when rotating, so as to control the opening and closing of the first water flow channel 310 and the opening and closing of the second water flow channel 320.

[0046] The water distributor 410 is connected to the water supply pipeline through the water inlet 4131, so that the water can enter the water distribution chamber 414 of the water distributor 410 and then flow out through the water passage hole 421 of the water divider 420. Due to the rotation setting of the water divider 420, the position of the water passage hole 421 changes when the water divider 420 rotates, while the first water flow channel 310 and the second water flow channel 320 on the spray pipe 300 are stationary. In this way, the water passage hole 421 and the first water flow channel 310 and the second water flow channel 320 can cooperate with each other to realize the opening and closing of the first water flow channel 310 and the second water flow channel 320.

[0047] The rotation of the water separator 420 is achieved by the operation component 430. To reduce the structural complexity of the operation component 430, it can be designed for manual control, meaning the user manually controls the operation component 430 to drive the water separator 420 to rotate. Alternatively, in some designs, an electric mechanism can be used to drive the operation component 430; however, the latter is more structurally complex than manual control of the operation component 430.

[0048] Combination Figures 1 to 14As shown, in some embodiments, the nozzle 300 is provided with a first connecting port 331 and a second connecting port 332. The first connecting port 331 is connected to the first water flow channel 310, and the second connecting port 332 is connected to the second water flow channel 320. The water divider 420 is adapted to connect the first water flow channel 310 when at least a portion of the water passage hole 421 is opposite to the first connecting port 331, and is adapted to disconnect the first water flow channel 310 when the water passage hole 421 and the first connecting port 331 are misaligned. The water divider 420 is adapted to connect the second water flow channel 320 when at least a portion of the water passage hole 421 is opposite to the second connecting port 332, and is adapted to disconnect the second water flow channel 320 when the water passage hole 421 and the second connecting port 332 are misaligned.

[0049] Water entering the water distribution chamber 414 can flow out through the water passage hole 421. When it is necessary to clean the tableware through the first nozzle 100, the water divider 420 can be rotated so that at least a part of the water passage hole 421 is opposite to the first connecting port 331. At this time, at least a part of the water passage hole 421 and at least a part of the first connecting port 331 overlap, and the water can flow out from the water passage hole 421 and enter the first water flow channel 310 through the first connecting port 331, and then spray out from the first nozzle 100. When it is not necessary to clean the tableware through the first nozzle 100, the water divider 420 can be rotated so that the water passage hole 421 and the first connecting port 331 are misaligned. At this time, the water passage hole 421 and the first connecting port 331 no longer overlap, and the water cannot flow from the water passage hole 421 to the first connecting port 331.

[0050] When it is necessary to clean the tableware through the second nozzle 200, the water divider 420 can be rotated so that at least a portion of the water passage hole 421 is opposite to the second connecting port 332. At this time, at least a portion of the water passage hole 421 and at least a portion of the second connecting port 332 overlap, and water can flow out from the water passage hole 421 and enter the second water flow channel 320 through the second connecting port 332, thereby being sprayed out from the second nozzle 200. When it is not necessary to clean the tableware through the second nozzle 200, the water divider 420 can be rotated so that the water passage hole 421 and the second connecting port 332 are misaligned. At this time, the water passage hole 421 and the second connecting port 332 no longer overlap, and water cannot flow from the water passage hole 421 to the second connecting port 332.

[0051] By changing the position of the water passage 421 to cooperate with the first connecting port 331 and the second connecting port 332, the water supply can be controlled.

[0052] The interaction between the water passage 421 and the first connecting port 331 and the second connecting port 332 includes, but is not limited to, the following situations: The water divider 420 is adapted to connect the first water flow channel 310 and disconnect the second water flow channel 320 when it is moved to the first position. At this time, the water passage 421 and the first connecting port 331 are opposite to each other and the second connecting port 332 is offset (e.g., Figure 11As shown, water can be ejected through the first nozzle 100 but not through the second nozzle 200.

[0053] The water divider 420 is adapted to connect the second water flow channel 320 and disconnect the first water flow channel 310 when it is moved to the second position. At this time, the water passage 421 and the first connecting port 331 are offset and the second connecting port 332 are opposite (e.g., ...). Figure 12 As shown), water can be ejected through the second nozzle 200 but not through the first nozzle 100.

[0054] When the water divider 420 is moved to the third position, it is adapted to connect the first water flow channel 310 and the second water flow channel 320. At this time, a portion of the water passage 421 is opposite to the first connecting port 331, and a portion of the water passage 421 is opposite to the second connecting port 332 (e.g., Figure 13 As shown, water can be ejected through either the first nozzle 100 or the second nozzle 200.

[0055] The water divider 420 is adapted to disconnect the first water flow channel 310 and the second water flow channel 320 when it is moved to the fourth position. At this time, the water passage 421 and the first connecting port 331 are offset, and the second connecting port 332 is also offset (e.g., Figure 14 As shown), the water flow cannot be ejected through either the first nozzle 100 or the second nozzle 200.

[0056] In some embodiments, combined with Figures 7 to 10 As shown, the water distributor 410 has a first end 411 and a second end 412 that are respectively connected to the water distribution chamber 414. The first end 411 and the second end 412 are arranged along the rotation axis 423 of the water divider 420. The water divider 420 is rotatably disposed at the first end 411, and the operating member 430 is rotatably disposed at the second end 412. The operating member 430 and the water divider 420 are connected through the water distribution chamber 414.

[0057] The first end 411 and the second end 412 are arranged along the rotation axis 423 of the water distributor 420. That is, the part of the water distributor 410 from the first end 411 to the second end 412 is a hollow cylinder. The water distributor 420 is rotatably located at the first end 411, and the operating member 430 is rotatably located at the second end 412. The first end 411 is connected to the water distribution cavity 414, and the second end 412 is also connected to the water distribution cavity 414. The operating member 430 and the water distributor 420 can be connected through the water distribution cavity 414, which helps to simplify the transmission connection structure between the operating member 430 and the water distributor 420, make full use of the space occupied by the water distributor 410, and has a compact structure.

[0058] In some embodiments, combined with Figures 7 to 10As shown, the operating component 430 and the water distributor 420 are connected by a connecting rod 440. The connecting rod 440 is located in the water distribution chamber 414 and is offset from the rotation axis 423 of the water distributor 420. The connecting rod 440 extends between the first end 411 and the second end 412 of the water distributor 410 and is offset from the rotation axis 423 of the water distributor 420. Thus, when the operating component 430 rotates, it drives the water distributor 420 to rotate through the connecting rod 440. Since the connecting rod 440 is offset from the rotation axis 423 of the water distributor 420, a certain lever arm is formed between the connecting rod 440 and the rotation axis 423 of the water distributor 420. This allows the water distributor 420 to rotate with less force, improving the user experience.

[0059] In some embodiments, combined with Figures 3 to 10 As shown, the first region 330 of the nozzle 300 is provided with a first connecting port 331 and a second connecting port 332. The first end 411 of the water distributor 410 is sleeved on the first region 330, and the water divider 420 and the first region 330 are rotatably connected.

[0060] The water divider 420 and the first region 330 are rotatably connected, thereby cooperating with the first connecting port 331 and the second connecting port 332. The first end 411 is sleeved on the first region 330, so that the first end 411 covers the first region 330 and the water divider 420. The first end 411 and the first region 330 are relatively stationary, which helps to prevent water leakage. The water divider 420, as a movable part, is located inside the first end 411, which facilitates rotation and thus cooperates with the first connecting port 331 and the second connecting port 332.

[0061] The rotatable connection between the water divider 420 and the first region 330 can be achieved by the following scheme: one of the water divider 420 and the nozzle 300 is provided with a rotating shaft 422, and the other of the water divider 420 and the nozzle 300 is provided with a shaft hole 333. The rotating shaft 422 can be rotatably inserted into the shaft hole 333. A constraint can be added between the rotating shaft 422 and the shaft hole 333 to prevent the rotating shaft 422 from disengaging from the shaft hole 333.

[0062] In some embodiments, combined with Figure 6 , Figures 10 to 14 As shown, the first connecting port 331 and the second connecting port 332 are arranged alternately along the rotation axis 423 of the water divider 420, and the water passage hole 421 is set off from the rotation axis 423 of the water divider 420.

[0063] The water passage hole 421 is offset from the rotation axis 423 of the water divider plate 420. When the water divider plate 420 rotates, the water passage hole 421 rotates around the rotation axis 423 of the water divider plate 420. The first connecting port 331 and the second connecting port 332 are arranged alternately along the direction around the rotation axis 423 of the water divider plate 420, thus corresponding to the rotation path of the water passage hole 421. In this way, when the water divider plate 420 rotates, the water passage hole 421 and the first connecting port 331 and the second connecting port 332 can be matched.

[0064] In some embodiments, combined with Figures 3 to 9 As shown, the water divider 420 and the first region 330 are in planar contact, which facilitates the connection between the water passage 421 and the first connecting port 331 and the second connecting port 332, simplifying the structure.

[0065] In some embodiments, combined with Figures 8 to 10 As shown, the operating member 430 and the second end 412 are rotatably engaged. For example, the operating member 430 is adapted to be pressed into the second end 412 from the second end 412 to the first end 411, thereby rotatably engaging with the second end 412. The inner wall of the second end 412 has an inner step 4121, and the operating member 430 includes a second buckle 431 located at its edge and arranged along its rotation direction. When the operating member 430 is pressed into the second end 412, the second buckle 431 engages with the inner step 4121, thus achieving both rotatable arrangement of the operating member 430 and the second end 412 and preventing the operating member 430 from disengaging from the second end 412. When the operating member 430 is connected to the water divider 420 via the connecting rod 440, the water divider 420 can be pressed against the first region 330 to achieve a tight fit with the first connecting port 331 and the second connecting port 332.

[0066] In some embodiments, combined with Figures 1 to 6 As shown, the nozzle 300 is provided with a cover 500 surrounding the first region 330. The interior of the cover 500 forms an open mounting cavity 510, and the water distributor 410 is adapted to be installed in the mounting cavity 510 from the open end of the mounting cavity 510. The cover 500 provides a foundation for fixing the water distributor 400. The water distributor 410 is installed in the mounting cavity 510 from the open end of the mounting cavity 510, simplifying operation. Furthermore, the cover 500 can partially obscure the water distributor 400, improving aesthetics.

[0067] In some embodiments, combined with Figure 1 , Figure 2 as well as Figures 6 to 10As shown, the end of the cover 500 away from the first region 330 is provided with a first notch 520 that communicates with the mounting cavity 510. A baffle 521 is formed around the first notch 520. An outer step 4122 is provided around the second end 412 of the water distributor 410. The outer step 4122 abuts against the baffle 521. The operating component 430 is exposed through the first notch 520.

[0068] The first end 411 of the water distributor 410 is fitted into the first region 330, thus limiting the first end 411. As the second end 412 is installed in place, the outer step 4122 around the second end 412 abuts against the baffle 521 along the direction from the first end 411 to the second end 412. Thus, the water distributor 410 can be limited to the installation cavity 510, which helps to improve assembly efficiency.

[0069] Since the spray assembly is installed on the dish rack, usually on the bottom mesh of the dish rack, users are generally accustomed to operating the dish rack and the parts attached to the dish rack (such as the spray assembly) from top to bottom. For this reason, the operating part 430 is exposed through the first notch 520 to facilitate the user to control the rotation of the operating part 430.

[0070] In some embodiments, combined with Figure 1 , Figure 2 as well as Figures 6 to 10 As shown, the water distributor 410 also has a support arm 413 located between the first end 411 and the second end 412. The support arm 413 is provided with a water inlet 4131. The cover 500 is also provided with a second notch 530 communicating with the mounting cavity 510. The support arm 413 is engaged with the second notch 530 and extends out of the cover 500 through the second notch 530.

[0071] Since the first end 411 and the second end 412 are arranged along the rotation axis 423 of the water distribution plate 420, the portion of the water distributor 410 between the first end 411 and the second end 412 is a hollow cylinder. A support arm 413 is provided between the first end 411 and the second end 412, making the water distributor 410 T-shaped overall. The support arm 413 is used to connect to the water supply pipeline, allowing water to flow from the inlet 4131 into the water distribution chamber 414. The water supply pipeline can be separated from the operating component 430, avoiding mutual interference. Based on the fact that the water distributor 410 is installed in the mounting cavity 510, the support arm 413 also engages with the second notch 530, improving the installation stability of the water distributor 410, which in turn improves the installation stability of the water distribution switch 400.

[0072] In some embodiments, combined with Figure 1 , Figure 2 and Figure 7As shown, the operating member 430 includes an indicator 432 located above the cover 500. The cover 500 has a mark 540 indicating that at least one of the first water flow channel 310 and the second water flow channel 320 is connected. The indicator 432 is adapted to engage with the mark 540. The portion of the operating member 430 above the cover 500 forms the indicator 432. When the indicator 432 and the corresponding mark 540 are aligned, it indicates the currently available spraying state of the spray assembly.

[0073] For example, the cover 500 has a first mark 541 corresponding to the first nozzle 100 (the first mark 541 in the figure is a narrow-mouthed deep bottle), and a second mark 542 corresponding to the second nozzle 200 (the second mark 542 in the figure is a wine glass). A third mark 543 (the third mark 543 in the figure is the word "ON") is provided between the first mark 541 and the second mark 542. When the indicator 432 corresponds to the first mark 541, it indicates that the first nozzle 100 can be used to clean the narrow-mouthed deep bottle and the like. When the indicator 432 is opposite to the second mark 542, it indicates that the second nozzle 200 can be used to clean the wine glass and the like. When the indicator 432 is opposite to the third mark 543, it indicates that the narrow-mouthed deep bottle and the like can be cleaned by either the first nozzle 100 or the second nozzle 200.

[0074] In some embodiments, combined with Figure 1 and Figure 15 As shown, the first nozzle 100 is gradually expanded from its first spray port 110 in the opposite direction of the spraying direction. The first nozzle 100 sprays water through the first spray port 110. The first nozzle 100 has a conical contraction structure from the position away from the first spray port 110. Under the premise of constant water pressure, this helps to accelerate the flow rate of the sprayed water, making the water column formed by the water sprayed by the first nozzle 100 through the first spray port 110 more slender, which is especially suitable for cleaning narrow-mouthed and deep bottles.

[0075] In some embodiments, combined with Figure 1 , Figure 16 and Figure 17 As shown, the second nozzle 200 includes a nozzle seat 210 and an impeller 220. The nozzle seat 210 is provided with a receiving cavity 211 communicating with the second water flow channel 320 and a second spray port 2111 communicating with the receiving cavity 211. The impeller 220 is rotatably mounted in the receiving cavity 211.

[0076] Water flows into the receiving cavity 211 of the nozzle seat 210 from the second water flow channel 320, and then sprays out through the second spray nozzle 2111. In this embodiment, by setting a rotatable impeller 220 in the receiving cavity 211, the water flow will encounter the impeller 220 when passing through the receiving cavity 211. The impeller 220 rotates under the drive of the water flow. At the same time, the impeller 220 disperses the water flow, thereby expanding the water flow sprayed out from the second spray nozzle 2111. Compared with the aforementioned first nozzle 100, the second nozzle 200 has a larger spray range, which is especially suitable for wine glasses with wide mouths and shallow depths.

[0077] The impeller 220 is positioned to create an obstruction in the water flow path of the second nozzle 200. However, in this embodiment, the rotation of the impeller 220 can minimize the loss of hydraulic power while expanding the spray range.

[0078] In some embodiments, combined with Figure 17 and Figure 18 As shown, the nozzle seat 210 has a plurality of alternating first inverted buckles 212 along the edge of the second injection port 2111; The impeller 220 includes a central portion 221, blade portions 222, and a retaining ring portion 223. The inner side of the blade portions 222 is disposed on the central portion 221. Multiple blade portions 222 are arranged in a direction around the central portion 221. The retaining ring portion 223 surrounds the multiple blade portions 222 and is connected to the outer side of the blade portions 222. The impeller 220 is adapted to abut against the first inverted buckle 212 in a direction away from the receiving cavity 211.

[0079] When the impeller 220 is installed into the receiving cavity 211, the impeller 220 moves from the second injection port 2111 toward the receiving cavity 211. At this time, the retaining ring portion 223 and the first buckle 212 abut against each other. During the process of applying pressure to the impeller 220, the first buckle 212 is forced to elastically deform and avoid the retaining ring portion 223, thus allowing the impeller 220 to be installed into the receiving cavity 211. After the impeller 220 is installed into the receiving cavity 211, the first buckle 212 returns to its original position. In this way, in the direction in which the impeller 220 is detached from the receiving cavity 211 (this direction is opposite to the direction in which the impeller 220 is installed into the receiving cavity 211), the retaining ring portion 223 and the first buckle 212 abut against each other. That is, the first buckle 212 and the nozzle seat 210 together limit the impeller 220 to be located in the receiving cavity 211. In this way, when water flows through the receiving cavity 211, the impeller 220 can rotate without the need for a complex structure design for the assembly and rotation of the impeller 220.

[0080] In some embodiments, combined with Figure 18 and Figure 19As shown, the retaining ring portion 223 includes an outer ring 2231 and an inner ring 2232, with a stepped space 2233 formed between the outer ring 2231 and the inner ring 2232. The first buckle 212 is adapted to be embedded in the stepped space 2233. The outer ring 2231 is adapted to abut against the first buckle 212 in the direction in which the impeller 220 is disengaged from the receiving cavity 211, and the inner ring 2232 is adapted to abut against the first buckle 212 in the radial direction of the impeller 220. With this arrangement, the impeller 220 is restricted by the first buckle 212 in both its axial and radial directions. Thus, under the premise that the impeller 220 is driven by the water flow, the rotation of the impeller 220 is more stable, which helps to further reduce hydraulic loss.

[0081] In some embodiments, combined with Figure 18 As shown, the bottom of the accommodating cavity 211 forms a conical tip 213, and the central part 221 is a hollow structure that can rotate and abut against the conical tip 213.

[0082] As can be seen from the above, the top of the impeller 220 is limited by the cooperation of the retaining ring 223 and the first buckle 212. Based on this, in this embodiment, the bottom of the impeller 220 is limited by the cooperation of the central part 221 and the conical tip 213. This makes the rotation of the impeller 220 more stable. The cooperation between the conical tip 213 and the hollow central part 221 also helps to reduce the number of parts while achieving a rotatable fit, making it easier to assemble the second nozzle 200.

[0083] In some embodiments, combined with Figure 1 As shown, a plurality of first nozzles 100 are disposed on the first side of the nozzle 300 and are arranged alternately along the extension direction of the nozzle 300, and a plurality of second nozzles 200 are disposed on the second side of the nozzle 300 and are arranged alternately along the extension direction of the nozzle 300.

[0084] The nozzle is elongated and slender. The cross-section of the nozzle 300 (perpendicular to the extension direction of the nozzle 300) is approximately circular. The first water flow channel 310 extends along the extension direction of the nozzle 300, and the second water flow channel 320 also extends along the extension direction of the nozzle 300. The first water flow channel 310 and the second water flow channel 320 are arranged side by side. Multiple first nozzles 100 are provided on the first side of the nozzle 300, and multiple second nozzles 200 are provided on the other side of the nozzle 300. This allows for the cleaning of tableware in two directions, meeting complex cleaning needs. For example, the first and second sides of the nozzle 300 are distributed at 180° with respect to the nozzle 300. That is, a first ray perpendicular to the nozzle 300 is drawn from the first side, and a second ray perpendicular to the nozzle 300 is drawn from the second side. With the nozzle 300 as the center, the angle between the first ray and the second ray is 180°. Based on this, multiple first nozzles 100 are arranged alternately along the extension direction of the spray pipe 300, and multiple second nozzles 200 are arranged alternately along the extension direction of the spray pipe 300, which can clean a larger number of tableware at one time.

[0085] The second aspect of this application discloses a dishwasher, which, in some embodiments, combines... Figures 1 to 19 As shown, the dishwasher includes the above-mentioned spray assembly, which includes a spray pipe 300, a first nozzle 100, a second nozzle 200, and a water diversion switch 400. The spray pipe 300 has a first water flow channel 310 and a second water flow channel 320 inside. The first nozzle 100 is located in the spray pipe 300 and communicates with the first water flow channel 310. The second nozzle 200 is located in the spray pipe 300 and communicates with the second water flow channel 320. The water diversion switch 400 is located in the spray pipe 300 to control the opening and closing of the first water flow channel 310 and the second water flow channel 320.

[0086] In this embodiment, through the cooperation of the spray pipe 300, the first nozzle 100, the second nozzle 200 and the water diversion switch 400, the water diversion switch 400 can control the opening and closing of the first water flow channel 310 and the second water flow channel 320. In this way, appropriate nozzles (first nozzle 100, second nozzle 200) can be selected to clean the tableware, which helps to meet complex and more diverse cleaning needs. It is understood that the spray assembly of the dishwasher in this embodiment adopts the technical solution of the above embodiment, and therefore has at least the beneficial effects brought by the technical solution of the above embodiment, which will not be repeated here.

[0087] The above are merely preferred embodiments of this application and do not limit the patent scope of this application. Any equivalent structural transformations made based on the concept of this application and the contents of the specification and drawings of this application, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this application.

Claims

1. A spray assembly, characterized in that, The spray assembly includes: The nozzle (300) has a first water flow channel (310) and a second water flow channel (320) inside. The first nozzle (100) is disposed on the nozzle pipe (300) and communicates with the first water flow channel (310); A second nozzle (200) is disposed in the nozzle pipe (300) and communicates with the second water flow channel (320); and A water distribution switch (400) is provided on the nozzle (300) to control the opening and closing of the first water flow channel (310) and the second water flow channel (320).

2. The spray assembly as described in claim 1, characterized in that, The water distribution switch (400) includes a water distributor (410), a water distribution plate (420), and an operating component (430). The water distributor (410) is provided with a water inlet (4131) and a water distribution cavity (414) communicating with the water inlet (4131). The water distribution plate (420) is rotatably disposed relative to the water distributor (410) and is provided with a water passage hole (421) communicating with the water distribution cavity (414). The operating component (430) is connected to the water distribution plate (420) to drive the water distribution plate (420) to rotate. The water distribution plate (420) is adapted to change the position of the water passage hole (421) when rotating, so as to control the opening and closing of the first water flow channel (310) and the second water flow channel (320).

3. The spray assembly as described in claim 2, characterized in that, The nozzle (300) is provided with a first connecting port (331) and a second connecting port (332). The first connecting port (331) is connected to the first water flow channel (310), and the second connecting port (332) is connected to the second water flow channel (320). The water divider (420) is adapted to connect the first water flow channel (310) when at least a portion of the water passage (421) is opposite to the first communication port (331), and is adapted to disconnect the first water flow channel (310) when the water passage (421) and the first communication port (331) are misaligned. The water divider (420) is adapted to connect the second water flow channel (320) when rotated to the point where at least a portion of the water passage (421) is opposite to the second communication port (332), and is adapted to disconnect the second water flow channel (320) when rotated to the point where the water passage (421) and the second communication port (332) are misaligned.

4. The spray assembly as described in claim 3, characterized in that, The water divider (420) is adapted to connect the first water flow channel (310) and disconnect the second water flow channel (320) when it is moved to the first position; And / or, the water divider (420) is adapted to connect the second water flow channel (320) and disconnect the first water flow channel (310) when moved to the second position; And / or, the water divider (420) is adapted to connect the first water flow channel (310) and the second water flow channel (320) when it is moved to the third position; And / or, the water divider (420) is adapted to disconnect the first water flow channel (310) and the second water flow channel (320) when moved to the fourth position.

5. The spray assembly as described in claim 3, characterized in that, The water distributor (410) has a first end (411) and a second end (412) respectively communicating with the water distribution chamber (414). The first end (411) and the second end (412) are arranged along the rotation axis (423) of the water divider (420). The water divider (420) is rotatably disposed at the first end (411), and the operating member (430) is rotatably disposed at the second end (412). The operating member (430) and the water divider (420) are connected through the water distribution chamber (414).

6. The spray assembly as described in claim 5, characterized in that, The operating element (430) and the water divider (420) are connected by a connecting rod (440), which is located in the water distribution chamber (414) and is offset from the rotation axis (423) of the water divider (420).

7. The spray assembly as described in claim 5, characterized in that, The first region (330) of the nozzle (300) is provided with the first connecting port (331) and the second connecting port (332), the first end (411) of the water distributor (410) is sleeved on the first region (330), and the water divider (420) and the first region (330) are rotatably connected.

8. The spray assembly as described in claim 7, characterized in that, The first connecting port (331) and the second connecting port (332) are arranged alternately along the direction of the rotation axis (423) of the water divider (420), and the water passage hole (421) is set off from the rotation axis (423) of the water divider (420); And / or, the water-dividing plate (420) and the first region (330) are in planar contact.

9. The spray assembly as claimed in claim 7, characterized in that, The nozzle (300) is provided with a cover (500) surrounding the first region (330), the interior of which is formed an open mounting cavity (510), and the water distributor (410) is adapted to be mounted in the mounting cavity (510) from the open end of the mounting cavity (510).

10. The spray assembly as claimed in claim 9, characterized in that, The cover (500) has a first notch (520) communicating with the mounting cavity (510) at one end away from the first area (330). A baffle (521) is formed around the first notch (520). An outer step (4122) is provided around the second end (412) of the water distributor (410). The outer step (4122) abuts against the baffle (521). The operating member (430) is exposed through the first notch (520). And / or, the water distributor (410) also has a support arm (413) located between the first end (411) and the second end (412), the support arm (413) having the water inlet (4131), and the cover (500) having a second notch (530) communicating with the mounting cavity (510), the support arm (413) being engaged with the second notch (530) and extending out of the cover (500) through the second notch (530).

11. The spray assembly as claimed in claim 9, characterized in that, The operating element (430) includes an indicator (432) located above the cover (500). The cover (500) is provided with a mark (540) indicating that at least one of the first water flow channel (310) and the second water flow channel (320) is connected. The indicator (432) is adapted to cooperate with the mark (540).

12. The spray assembly as claimed in claim 1, characterized in that, The first nozzle (100) is gradually expanded from its first injection port (110) in the opposite direction of the injection direction.

13. The spray assembly as claimed in claim 1, characterized in that, The second nozzle (200) includes a nozzle seat (210) and an impeller (220). The nozzle seat (210) is provided with a receiving cavity (211) communicating with the second water flow channel (320) and a second spray port (2111) communicating with the receiving cavity (211). The impeller (220) is rotatably mounted in the receiving cavity (211).

14. The spray assembly as claimed in claim 13, characterized in that, The nozzle seat (210) has a plurality of alternating first buckles (212) along the edge of the second injection port (2111); The impeller (220) includes a central portion (221), blade portions (222), and a retaining ring portion (223). The inner side of the blade portions (222) is disposed on the central portion (221). A plurality of blade portions (222) are arranged in a direction around the central portion (221). The retaining ring portion (223) surrounds the plurality of blade portions (222) and is connected to the outer side of the blade portions (222). The impeller (220) is adapted to abut the retaining ring portion (223) and the first buckle (212) in a direction away from the receiving cavity (211).

15. The spray assembly as claimed in claim 14, characterized in that, The retaining ring portion (223) includes an outer ring (2231) and an inner ring (2232), a stepped space (2233) is formed between the outer ring (2231) and the inner ring (2232), the first buckle (212) is adapted to be embedded in the stepped space (2233), the outer ring (2231) is adapted to abut against the first buckle (212) in the direction in which the impeller (220) is disengaged from the receiving cavity (211), and the inner ring (2232) is adapted to abut against the first buckle (212) in the radial direction of the impeller (220).

16. The spray assembly as claimed in claim 14, characterized in that, The bottom of the accommodating cavity (211) forms a conical tip (213), and the central part (221) is a hollow structure that can rotate and abut against the conical tip (213).

17. The spray assembly as claimed in claim 1, characterized in that, A plurality of first nozzles (100) are disposed on the first side of the nozzle (300) and are arranged alternately along the extension direction of the nozzle (300), and a plurality of second nozzles (200) are disposed on the second side of the nozzle (300) and are arranged alternately along the extension direction of the nozzle (300).

18. A dishwasher, characterized in that, The dishwasher includes the spray assembly as described in any one of claims 1 to 17.

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