Dish washing machine
By integrating a partition and a spray mechanism, the problem of insufficient upper chamber space in existing dishwashers has been solved, achieving a higher tableware loading capacity and cleaning effect.
Patent Information
- Application Number
- CN202520024756.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-01-06
AI Technical Summary
Existing dishwashers have a small upper chamber space due to the presence of partitions and spray arm assemblies, which cannot fully accommodate tableware.
Design a spray mechanism that integrates a partition and a spray function. The partition is equipped with a water inlet channel and a spray plate. The spray plate can rotate around its own axis to clean the upper and lower chambers. The spray arm cleans in the lower chamber.
It improves the space utilization of the upper chamber, enhances the tableware loading capacity and adaptability, and ensures the cleaning effect.
Smart Images

Figure CN223886828U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of kitchen appliance technology, specifically relating to a dishwasher. Background Technology
[0002] Existing dishwashers are equipped with partitions to achieve compartmentalized washing. Their spray systems are typically composed of upper and lower spray arm assemblies, with water flow controlled by a water distribution valve assembly. Specifically, Chinese invention patent application No. 201810693906.4, entitled "A Dishwasher with Dual-Cavity Spraying" (publication No. CN108852224A), includes a body, an upper and lower dish rack within the body, and a spray system. The spray system includes an upper spray device located below the upper dish rack, an upper water inlet pipe connected to the upper spray device, and a lower spray device located below the lower dish rack. The dishwasher also includes a partition installed between the upper and lower dish racks to divide the body into an upper and lower cavity. The dishwasher has a first usage state and a second usage state. In the first usage state, the upper spray device is connected to the upper water inlet pipe within the upper cavity, forming simultaneous spraying of the upper and lower cavities. In the second usage state, the upper spray device is removed from the upper cavity, forming separate spraying of the lower cavity.
[0003] The existing dishwashers have a small interior space due to the presence of both a partition and an upper spray arm assembly above the partition, which limits the installation of the dish rack and makes it difficult to fully accommodate tableware. Utility Model Content
[0004] The technical problem to be solved by this utility model is to provide a dishwasher that, in view of the current state of the technology, can increase the cleaning space while ensuring the cleaning effect.
[0005] The technical solution adopted by this utility model to solve the above-mentioned technical problems is: a dishwasher, comprising:
[0006] A hollow box;
[0007] A partition is installed inside the box to divide the internal space of the box into two parts: an upper chamber located above the partition and a lower chamber located below the partition.
[0008] The spraying mechanism is located in the lower chamber;
[0009] The partition is characterized by comprising:
[0010] A plate-shaped main body is placed horizontally inside the box. A portion of the upper surface of the plate-shaped main body is recessed downward to form a groove. A water inlet channel is provided inside the plate-shaped main body. The water inlet end of the water inlet channel is used to connect to a water source, and the water outlet end of the water inlet channel opens into the bottom wall of the groove.
[0011] A spray plate is horizontally placed in the groove, and the interior of the spray plate is hollow to form a water collection cavity. The bottom wall of the water collection cavity is provided with a water inlet hole corresponding to the water outlet end of the water inlet channel to supply water into the water collection cavity. The top wall of the water collection cavity is provided with a first spray hole for water to spray out. The spray plate is arranged so that it can rotate around a first axis extending vertically on its own under the action of the water flow sprayed from the first spray hole.
[0012] In this way, the spray mechanism can clean the tableware in the lower chamber, while the partition can separate the internal space of the cabinet and also clean the tableware in the upper chamber, ensuring the cleaning effect. Furthermore, since the partition integrates the chamber division and spray function, the structure is more compact and the space is optimized, increasing the volume of the upper chamber, thereby increasing the loading capacity of tableware to be cleaned and its compatibility with tableware.
[0013] Preferably, the upper surface of the spray plate is flush with the upper surface of the plate-shaped body. Alternatively, the upper surface of the spray plate may be lower than or slightly higher than the upper surface of the plate-shaped body.
[0014] Preferably, the water inlet is located in the center of the bottom wall of the water collection cavity, and the bottom wall of the water collection cavity is also provided with baffles extending outward from the edge of the water inlet. There are at least two baffles, which are arranged at intervals along the circumference, thereby dividing the water collection cavity into circumferentially adjacent units.
[0015] The top wall of the water collection chamber is provided with the aforementioned first spray hole corresponding to the position of each unit.
[0016] In this way, the water flowing into the water collection chamber from the inlet hole is divided along the units formed by each baffle, and finally sprayed out from their respective first spray holes.
[0017] Preferably, the baffle is at an angle to the radial direction of the corresponding water inlet hole, so that the baffles are arranged in a clockwise or counterclockwise first rotation direction.
[0018] Furthermore, the baffle is in the shape of an arc that gradually curves from the inside out.
[0019] Furthermore, at least two sets of first spray holes, arranged at intervals in the radial direction, are arranged at intervals in the circumferential direction and are respectively set to correspond to their respective water collection chamber units.
[0020] Furthermore, the orientation of the first spray holes is inclined relative to the vertical plane, and the orientation of each group of first spray holes is arranged in the aforementioned first rotational direction. This allows the water flow from the first spray holes to drive the spray plate to rotate.
[0021] In the above embodiments, preferably, the edge contour of the plate-shaped main body is a U-shape with a notch, and a portion of the spray plate is horizontally positioned across the notch. In this way, the spray plate can perform the spraying function while also acting as a baffle, horizontally blocking the notch.
[0022] Preferably, the spray plate is circular and the groove is semi-circular.
[0023] To further improve the spraying effect, the plate-shaped main body is further provided with a diversion channel connected to the water inlet channel. The diversion channel is arranged along the edge of the recess, and multiple second spray holes are spaced apart on the edge of the recess to allow water from the diversion channel to flow out. In this way, the second spray holes and the first spray holes can spray water simultaneously, increasing the spraying range and spraying effect.
[0024] Furthermore, the front of the box is open and has a door that can be opened and closed, and the recess is positioned facing forward.
[0025] In the above embodiments, preferably, the volume of the upper chamber is smaller than the volume of the lower chamber. The structure of the partition in this invention ensures that the volume of the upper chamber is not additionally occupied by structures such as the spray arm.
[0026] Preferably, the spraying mechanism includes a spray arm with an internal main channel, which is rotatable at the bottom of the lower chamber, extending vertically about its own second axis. The bottom of the spray arm has a water inlet for supplying water into the main channel, and the top of the spray arm has a spray nozzle for supplying water outflow. Since the lower chamber has a large volume, an existing spray arm can be used for spraying.
[0027] Compared with existing technologies, the advantages of this invention are as follows: the spray mechanism can clean the tableware in the lower chamber, and the partition can separate the internal space of the cabinet while also cleaning the tableware in the upper chamber, ensuring the cleaning effect. Furthermore, since the partition integrates the chamber division and spray functions, the structure is more compact and the space is optimized, increasing the volume of the upper chamber, thereby increasing the loading capacity of the tableware to be cleaned and its compatibility with tableware. Attached Figure Description
[0028] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;
[0029] Figure 2 This is a partial structural diagram of an embodiment of the present utility model (door body omitted);
[0030] Figure 3 This is a partial structural diagram of an embodiment of the present utility model (the door and bowl rack are omitted);
[0031] Figure 4This is a partial structural schematic diagram from another perspective of an embodiment of the present utility model (the door and bowl rack are omitted);
[0032] Figure 5 This is a schematic diagram of the partition structure according to an embodiment of the present utility model;
[0033] Figure 6 This is a structural schematic diagram of the partition from another perspective in an embodiment of the present utility model;
[0034] Figure 7 This is a sectional view of a partial structure of the partition in an embodiment of the present utility model (the sectional view is a vertical plane extending front and back);
[0035] Figure 8 This is a cross-sectional view (the cross-section is a plane) of a partial structure of the partition in an embodiment of the present utility model;
[0036] Figure 9 This is an exploded perspective view of a portion of the partition structure according to an embodiment of the present invention. Detailed Implementation
[0037] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.
[0038] like Figures 1-9 As shown, this is a preferred embodiment of a dishwasher according to the present invention. The dishwasher includes a cabinet 1, a partition 2, and a spraying mechanism 3.
[0039] The interior of the box 1 is hollow and the front is open, and it is equipped with a door 13 that can open and close the opening.
[0040] like Figures 2-4 As shown, the partition 2 is located inside the box 1 to divide the internal space of the box 1 into two parts, namely the upper chamber 11 located above the partition 2 and the lower chamber 12 located below the partition 2; the volume of the upper chamber 11 is smaller than the volume of the lower chamber 12.
[0041] And such as Figures 5-9 As shown, the partition 2 includes a plate-shaped main body 21 and a spray plate 22. The plate-shaped main body 21 is placed horizontally inside the box body 1, and the edge contour of the plate-shaped main body 21 is U-shaped with a notch, with the notch facing forward. A partial downward recess on the upper surface of the plate-shaped main body 21 forms a semi-circular groove 211, as detailed in the attached image. Figure 9Meanwhile, the plate-shaped main body 21 also has a water inlet channel 212 extending from rear to front. The water inlet end 21a on the rear side of the water inlet channel 212 is used to connect to a water source (the connection method between the water inlet end 21a and the water source can refer to existing technology designs). The water outlet end 21b on the front side of the water inlet channel 212 opens at the center of the bottom wall of the semi-circular groove 211. The plate-shaped main body 21 also has a diversion channel 213 connected to the water inlet channel 212. The diversion channel 213 is arranged along the edge of the groove, and multiple second spray holes 214 are spaced apart on the edge of the groove for water to spray out from the diversion channel 213. Please refer to [link / reference] for details. Figure 7 , 8 .
[0042] The aforementioned spray plate 22 is circular, with its first semicircular portion placed within the groove 211 and its second semicircular portion horizontally blocking the groove. The upper surface of the spray plate 22 is flush with the upper surface of the plate-shaped main body 21. The interior of the spray plate 22 is hollow, forming a water collection cavity 220. A water inlet hole 22a is located at the center of the bottom wall of the water collection cavity 220, corresponding to the water outlet end 21b of the water inlet channel 212. A first spray hole 22b is located on the top wall of the water collection cavity 220, allowing water to flow into the cavity. The spray plate 22 is arranged such that it can rotate around its vertically extending first axis under the action of the water flow from the first spray hole 22b. In this embodiment, a plurality of baffles 221 are spaced circumferentially on the bottom wall of the water collection cavity 220. Each baffle 221 extends outward from the edge of the water inlet hole 22a, and each baffle 221 forms an angle with the radial direction of the corresponding water inlet hole 22a and is an arc shape that gradually curves from the inside to the outside, so that each baffle 221 is arranged in a first spiral direction, either clockwise or counterclockwise. Each baffle 221 divides the water collection cavity 220 into a plurality of circumferentially adjacent units. At the same time, the top wall of the water collection cavity 220 is provided with the aforementioned first spray holes 22b at the position corresponding to each unit, and the first spray holes 22b are arranged in groups of at least two groups, spaced circumferentially, and respectively corresponding to their respective water collection cavity 220 units. At the same time, the orientation of the first spray holes 22b is inclined relative to the vertical plane, and the orientation of each group of first spray holes 22b is arranged in the aforementioned first spiral direction. This allows the spray plate 22 to rotate around its own vertically extending first axis under the action of the water flow sprayed from the first spray hole 22b.
[0043] The aforementioned spraying mechanism 3 is located within the lower chamber 12, and includes a spraying arm 31 with an internal main channel. This arm is rotatable around a second axis extending vertically from its base at the bottom of the lower chamber 12. The bottom of the spraying arm 31 has an inlet for water to enter the main channel, and the top of the spraying arm 31 has spray nozzles for water to flow out. In this embodiment, the spraying arm 31 and its installation structure are the same as in the prior art and will not be described in detail here.
[0044] In use, the spray mechanism 3 can clean the tableware in the lower chamber 12, while the partition 2 can separate the internal space of the cabinet 1 and also clean the tableware in the upper chamber 11, ensuring the cleaning effect. Furthermore, since the partition 2 integrates the chamber separation and spray functions, the structure is more compact and the space is optimized, increasing the volume of the upper chamber 11, thereby increasing the loading capacity of the tableware to be cleaned and its compatibility with tableware.
[0045] In this embodiment, the partition 2 can be fixed inside the box 1 or moved out from the front opening of the box. After the partition 2 is moved out, the spraying mechanism 3 sprays water separately.
[0046] In the specification and claims of this utility model, terms indicating direction, such as "front," "rear," "upper," "lower," "side," "top," and "bottom," are used to describe various exemplary structural parts and elements of this utility model. However, the use of these terms is merely for illustrative purposes and is based on the exemplary orientations shown in the accompanying drawings. Since the embodiments disclosed in this utility model can be arranged in different orientations, these terms indicating direction are for illustrative purposes only and should not be considered as limitations. For example, "upper" and "lower" are not necessarily limited to directions opposite to or consistent with the direction of gravity.
[0047] The term "radial" is also used in the specification and claims of this utility model, meaning basically along the inside and outside direction, and is not limited to the radial direction that passes through the center of the circle, but can also be slightly deviated from the radial direction.
Claims
1. A dishwasher, comprising: A hollow box (1); A partition (2) is provided inside the box (1) to divide the internal space of the box (1) into two parts, namely the upper chamber (11) located above the partition (2) and the lower chamber (12) located below the partition (2); The spraying mechanism (3) is located in the lower chamber (12); Its features The partition (2) includes: A plate-shaped main body (21) is placed horizontally inside the box (1). A groove (211) is formed by a partial downward indentation on the upper surface of the plate-shaped main body (21). A water inlet channel (212) is provided inside the plate-shaped main body (21). The water inlet end (21a) of the water inlet channel (212) is used to connect to a water source. The water outlet end (21b) of the water inlet channel (212) opens into the bottom wall of the groove (211). A spray plate (22) is placed horizontally in the groove (211), and the interior of the spray plate (22) is hollow to form a water collection cavity (220). The bottom wall of the water collection cavity (220) is provided with a water inlet hole (22a) for water to flow into the water collection cavity (220) at the position corresponding to the water outlet end (21b) of the water inlet channel (212). The top wall of the water collection cavity (220) is provided with a first spray hole (22b) for water to flow out. The spray plate (22) is arranged so that it can rotate around a first axis extending vertically on itself under the action of the water flow sprayed out by the first spray hole (22b).
2. The dishwasher according to claim 1, characterized in that: The upper surface of the spray plate (22) is flush with the upper surface of the plate-shaped body (21).
3. The dishwasher according to claim 1, characterized in that: The water inlet (22a) is located in the center of the bottom wall of the water collection cavity (220). The bottom wall of the water collection cavity (220) is also provided with baffles (221) extending outward from the edge of the water inlet (22a). There are at least two baffles (221) and they are arranged at intervals along the circumference, thereby dividing the water collection cavity (220) into adjacent units in the circumference. The top wall of the water collection chamber (220) is provided with the first spray hole (22b) as described above, corresponding to the position of each unit.
4. The dishwasher according to claim 3, characterized in that: The baffle (221) forms an angle with the radial direction of the corresponding water inlet (22a), so that each baffle (221) is arranged in a clockwise or counterclockwise first rotation direction.
5. The dishwasher according to claim 4, characterized in that: The baffle (221) is an arc shape that gradually curves from the inside to the outside.
6. The dishwasher according to claim 4, characterized in that: There are at least two groups of first spray holes (22b) that are radially spaced apart, arranged circumferentially and respectively corresponding to their respective water collection chambers (220) units.
7. The dishwasher according to claim 6, characterized in that: The orientation of the first spray hole (22b) is inclined relative to the vertical plane, and the orientation of each group of first spray holes (22b) is arranged in the first rotation direction as described above.
8. The dishwasher according to any one of claims 1 to 7, characterized in that: The edge contour of the plate-shaped body (21) is U-shaped with a notch, and the spray plate (22) partially blocks the notch.
9. The dishwasher according to claim 8, characterized in that: The spray plate (22) is circular, and the groove (211) is semi-circular.
10. The dishwasher according to claim 8, characterized in that: The plate-shaped main body (21) is also provided with a diversion channel (213) connected to the water inlet channel (212). The diversion channel (213) is arranged along the edge of the recess, and a plurality of second spray holes (214) are provided at intervals on the edge of the recess for water in the diversion channel (213) to spray out.
11. The dishwasher according to claim 10, characterized in that: The front of the box (1) is open and has a door (13) that can open and close the opening, with the notch facing forward.
12. The dishwasher according to any one of claims 1 to 7, characterized in that: The volume of the upper chamber (11) is smaller than the volume of the lower chamber (12).
13. The dishwasher according to claim 12, characterized in that: The spraying mechanism (3) includes a spraying arm (31) with a main channel inside, which is located at the bottom of the lower chamber (12) in a manner that allows it to rotate around a second axis that extends vertically. The bottom of the spraying arm (31) is provided with an inlet for water to enter the main channel, and the top of the spraying arm (31) is provided with a spray hole for water to flow out.
Citation Information
Patent Citations
Double-cavity spray dish washing machine
CN108852224A
A dual-chamber spray dishwasher
CN108852224B