Dishwasher

Abstract

The utility model discloses a dish washing machine which comprises a shell, an inner container, a partition piece and an upper cavity water way system. The inner container is arranged in the shell and is provided with a washing inner cavity; the separator is assembled in the washing inner cavity to divide the washing inner cavity into an upper washing cavity and a lower washing cavity; the upper cavity waterway system is suitable for supplying and draining water to the upper washing cavity, the upper cavity waterway system comprises an upper cavity washing pump and an upper cavity draining pump, and the upper cavity washing pump and the upper cavity draining pump are arranged on the left side and the right side of the inner container respectively and located between the shell and the inner container. According to the technical scheme, diversified washing requirements of users can be met.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of kitchen appliances, in particular to a dishwasher. BACKGROUND

[0002] In the related art, most of the existing dishwashers have only one washing cavity, and the volume is fixed and cannot be flexibly adjusted according to the actual number of tableware of the user. When the user needs to wash a small amount of tableware, it will cause waste of space and cannot fully exert the efficiency of the dishwasher, and at the same time, it may also cause poor cleaning effect due to the dispersion of the tableware. This situation makes the dishwasher unable to meet the user's compatible washing demand for different amounts of tableware, thereby causing poor user experience and failing to truly meet the user's demand for convenient, efficient and personalized tableware cleaning. SUMMARY

[0003] The embodiment of the present application provides a main dishwasher, which can meet the user's various washing demands by separating the washing inner cavity into upper and lower parts.

[0004] The embodiment of the present application provides a dishwasher, which comprises a shell, an inner container, a partition piece and an upper cavity waterway system; the inner container is arranged in the shell and has a washing inner cavity; the partition piece is assembled in the washing inner cavity to separate the washing inner cavity into an upper washing cavity and a lower washing cavity; the upper cavity waterway system is suitable for supplying and draining water to the upper washing cavity, wherein the upper cavity waterway system comprises an upper cavity washing pump and an upper cavity drainage pump, and the upper cavity washing pump and the upper cavity drainage pump are respectively arranged on the left and right sides of the inner container and located between the shell and the inner container.

[0005] In some embodiments, the upper cavity washing pump and the upper cavity drainage pump are both arranged between the part of the inner container corresponding to the lower washing cavity and the shell.

[0006] In some embodiments, the left and right side parts of the inner container are respectively arranged concave to the lower washing cavity, so that part of the inner container, the lower wall of the partition piece and the shell jointly define a first mounting space, and the upper cavity washing pump and the upper cavity drainage pump are respectively located in the corresponding first mounting space.

[0007] In some embodiments, the part of the rear side of the inner container is arranged concave to the lower washing cavity, so that part of the inner container, the lower wall of the partition piece and the shell jointly define a second mounting space.

[0008] In some embodiments, the upper cavity waterway system further comprises an upper cavity water cup, and the inlet sides of the upper cavity washing pump and the upper cavity drainage pump are both communicated with the upper cavity water cup.

[0009] The upper cavity water cup is connected to the partition and located in the second installation space, and a slot opening upward is further formed in the partition, and the upper cavity water cup is communicated with the upper washing cavity through the slot.

[0010] In some embodiments, a flow guide slope is further arranged on the partition, the flow guide slope is formed on the upper wall surface of the partition, and the flow guide slope is arranged to be inclined towards the slot.

[0011] In some embodiments, the upper cavity waterway system further comprises:

[0012] An upper cavity drain pipe is communicated with the outlet side of the upper cavity drain pump and used for draining washing water in the upper washing cavity, the upper cavity drain pipe comprises a first drain section, an elbow section and a second drain section communicated in sequence, the first drain section is connected with the outlet side of the upper cavity drain pump, and the highest position of the center line of the elbow section is arranged higher than the upper surface of the cavity bottom wall of the partition forming the upper washing cavity.

[0013] In some embodiments, a water cup drain pipe connecting the upper cavity water cup and the inlet side of the upper cavity drain pump is further included, the second installation space extends along the left-right direction of the inner container, and has a first through opening on one side in the left-right direction of the inner container, and part of the water cup drain pipe extends to the side in the left-right direction of the inner container through the first through opening to be connected with the inlet side of the upper cavity drain pump.

[0014] In some embodiments, an upper cavity water supply pipe connecting the upper cavity water cup is further included, and the second installation space has a second through opening on the other side in the left-right direction of the inner container, and the upper cavity water supply pipe is arranged in the second through opening.

[0015] In some embodiments, the inner container comprises an upper shell assembly and a lower shell assembly, the partition is inserted into the upper shell assembly and cooperates with the upper shell assembly to define the upper washing cavity, and / or the partition is inserted into the lower shell assembly and cooperates with the lower shell assembly to define the lower washing cavity.

[0016] In some embodiments, a first insertion part is arranged on the side wall of the upper shell assembly, a first insertion slot into which the first insertion part is inserted is arranged on the partition, and the first insertion slot comprises:

[0017] a first inner side wall located on the side close to the upper shell assembly; and

[0018] a first outer side wall located on the side away from the upper shell assembly and arranged opposite to the first inner side wall, and the height dimension of the first inner side wall is smaller than the height dimension of the first outer side wall.

[0019] In some embodiments, a lower cavity waterway system is further included, and a base is connected to the bottom of the outer shell and located below the bottom disc of the inner container, the lower cavity waterway system being adapted to supply and drain water to the lower washing cavity and being located between the base and the bottom disc.

[0020] In some embodiments, an upper cavity spraying device is arranged in the upper washing cavity and is arranged on the partition and in communication with the upper cavity waterway system;

[0021] In some embodiments, a lower cavity spraying device is arranged in the lower washing cavity and is arranged on the bottom disc and in communication with the lower cavity waterway system.

[0022] The dishwasher according to the embodiments of the present application has an inner container arranged in an outer shell and having a washing inner cavity, so that tableware can be stored in the washing inner cavity and cleaned, sterilized and dried. A partition is assembled in the washing inner cavity to divide the washing inner cavity into an upper washing cavity and a lower washing cavity. By arranging the relatively independent upper washing cavity and lower washing cavity, the washing demand of different amounts of tableware can be better met. When a user has a large amount of tableware to be washed, the upper washing cavity and the lower washing cavity can be used at the same time, the total washing space is increased, and the space utilization is improved, so that the diversified use demand of the user is met.

[0023] In addition, the upper cavity washing pump and the upper cavity drainage pump are arranged between the portion of the inner container corresponding to the lower washing cavity and the outer shell. Compared with placing the upper cavity waterway system and the lower cavity waterway system together between the base and the bottom disc, the arrangement makes the upper cavity waterway system closer to the upper washing cavity, shortens the length of the water supply and drainage pipeline, reduces the water flow resistance, can pump in or drain out water faster, shortens the washing and drainage time, improves the water supply and drainage efficiency, can drain out sewage faster through gravity, avoids sewage retention, reduces the possibility of secondary pollution, and improves the washing efficiency, so that the diversified washing demand of the user is better met. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0025] Figure 1 FIG. 1 is a structural schematic diagram of an embodiment of the dishwasher of the present application;

[0026] Figure 2 FIG. 2 is a structural schematic diagram of another embodiment of the dishwasher of the present application; Figure 1Figure 2 is an exploded structural schematic view of the dishwasher shown in Figure 1;

[0027] Figure 3 Figure 3 is a structural schematic view of the dishwasher shown in Figure 1 from another perspective; Figure 1 Figure 4 is a structural schematic view of the dishwasher shown in Figure 1 from another perspective;

[0028] Figure 4 Figure 5 is a structural schematic view of the dishwasher shown in Figure 1 from another perspective.

[0029] Figure 5 Figure 6 is a structural schematic view of the dishwasher shown in Figure 1 from another perspective. Figure 1 Figure 7 is a sectional structural schematic view of the dishwasher shown in Figure 1;

[0030] Figure 6 Figure 8 is a sectional structural schematic view of the dishwasher shown in Figure 1 from another perspective. Figure 1 Figure 9 is a sectional structural schematic view of the dishwasher shown in Figure 1 from another perspective.

[0031] Figure 7 Figure 10 is a sectional structural schematic view of the dishwasher shown in Figure 1 from another perspective. Figure 6 Figure 11 is a sectional structural schematic view of the dishwasher shown in Figure 1 from another perspective.

[0032] BRIEF DESCRIPTION OF DRAWINGS

[0033] 1. Dishwasher; 10. Inner tub; 101. First mounting space; 102. Second mounting space; 102a. First through-opening; 102b. Second through-opening; 11. Upper shell assembly; 110. Upper washing cavity; 12. Lower shell assembly; 121. Lower washing cavity; 13. Rear back plate; 131. Upper back plate; 132. Lower back plate; 20. Partition; 21. Slot; 30. Upper cavity waterway system; 31. Upper cavity washing pump; 32. Upper cavity drainage pump; 34. Connection pipeline; 341. Pump inlet pipe; 35. Upper cavity water cup; 36. Upper cavity drainage pipe; 361. First drainage section; 362. Elbow section; 363. Second drainage section; 37. Water cup drainage pipe; 40. Lower cavity waterway system; 50. Base plate; 60. Upper cavity spraying device; 70. Lower cavity spraying device.

[0034] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solutions and advantages of the present application more clear, the following will further describe the embodiments of the present application with reference to the accompanying drawings.

[0036] The following description of the drawings relates to the drawings in the order of their appearance. Unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementations described in the following example embodiments are not meant to represent all implementations consistent with the present application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of the present application as detailed in the appended claims.

[0037] In the description of the present application, it should be understood that the terms "first", "second" and the like are used only for descriptive purposes, and cannot be understood as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood in specific cases. In addition, in the description of the present application, "a plurality of" means two or more, unless otherwise specified. The association relationship of the associated objects is described, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. The character " / " generally represents an "or" relationship between the associated objects before and after it.

[0038] 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 the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0039] With the continuous progress of society, people's demand for the intelligence of kitchen appliances is getting higher and higher. Dishwasher is favored by people because of its good cleaning effect, multiple disinfection functions, time and labor saving, and other advantages, which can reduce people's labor burden in modern life.

[0040] The present application provides a dishwasher, which can effectively remove food residues on the surface of tableware (bowls, plates, etc.), disinfect and sterilize the tableware during the cleaning process, and dry the tableware after cleaning and disinfection. Among them, the disinfection and sterilization can add cleaning liquid to the water for cleaning tableware, and control the internal environment of the dishwasher (including the water temperature of the cleaning liquid) to be about 70-85℃. At this temperature, the activity of common pathogenic microorganisms such as Escherichia coli and Staphylococcus aureus will be inhibited or even killed, so as to ensure the hygiene of tableware. The drying method of the dishwasher can be heat exchange drying, hot air drying, etc., which can effectively prevent bacteria from breeding and odor from being produced due to damp tableware.

[0041] In the related art, the dishwasher is only configured with one washing cavity, and the space of the washing cavity is fixed. Therefore, it is not flexible to adjust according to the actual number of tableware of the user. For example, when the user needs to clean a small amount of tableware, part of the space cannot be utilized, and the water in the cleaning process will still be sprayed in the blank area without placing tableware, which not only causes space waste, but also cannot fully exert the efficiency of the dishwasher.

[0042] In addition, when the washing cavity is divided into two, three or more sub-cavities to meet the user's washing requirements in multiple scenarios, each sub-cavity needs to be equipped with a separate waterway system to better control the waterway of each sub-cavity. At this time, multiple waterway systems are carried on the dishwasher, which occupies a large space and has a bulky structure, and cannot meet the user's different use requirements.

[0043] To solve the above problems, please refer to Figures 1 to 4 The dishwasher 1 in the embodiments of the present application includes a shell, an inner container 10, a partition 20, and an upper cavity waterway system 30.

[0044] The inner container 10 is arranged in the shell and has a washing inner cavity, so that tableware can be stored in the washing inner cavity and cleaned, sterilized and dried. The partition 20 is assembled in the washing inner cavity to divide the washing inner cavity into an upper washing cavity 110 and a lower washing cavity 121. On the one hand, by arranging the relatively independent upper washing cavity 110 and lower washing cavity 121, the cleaning demand of different amounts of tableware can be better met. When the user has a large amount of tableware to be cleaned, the upper washing cavity 110 and the lower washing cavity 121 can be used at the same time, improving the space utilization and meeting the user's diversified use requirements.

[0045] It should be noted that the space size of the upper washing cavity 110 can be different from that of the lower washing cavity 121. For example, the space size of the upper washing cavity 110 is smaller than that of the lower washing cavity 121, so that the type of tableware placed in the upper washing cavity 110 will be different from that of the lower washing cavity 121, so that the tableware can be placed more compactly. Alternatively, the space size of the upper washing cavity 110 can also be the same as that of the lower washing cavity 121. When the amount of tableware is small, the user can only use one of the washing cavities. Therefore, the space waste of a single large-capacity washing cavity when cleaning a small amount of tableware is avoided. In this way, the space utilization of the dishwasher 1 is more reasonable, meets the user's use requirements in different tableware quantity scenarios, and fully utilizes the performance of the dishwasher 1.

[0046] On the other hand, the independent upper washing cavity 110 and lower washing cavity 121 make the cleaning process more clear. During the washing process, the two washing cavities can work in parallel, shortening the overall washing time. Moreover, when one washing cavity fails or needs maintenance, the other washing cavity can still be used normally, without affecting the user's daily tableware cleaning demand.

[0047] In the embodiment, the inner container 10 comprises an upper shell assembly 11 and a lower shell assembly 12. The upper shell assembly 11 can have an upper top wall, an upper back wall, and upper side walls, the number of which is configured to be two, and the two upper side walls are oppositely arranged and are both connected perpendicularly to the upper top wall to form a U-shaped workpiece, and the upper top wall can be integrally formed with the two upper side walls, and the upper back wall can be integrally formed with the upper top wall and fixedly connected with the upper side walls. In this way, the connection points between the workpieces can be reduced, the continuity is better, and the overall structural strength of the upper shell assembly 11 is higher, so that the inner container 10 can better withstand the internal water pressure and external forces such as possible collisions during long-term use of the dishwasher 1, thereby reducing the risk of damage such as cracking and deformation, and also helping to ensure the sealing of the upper shell assembly 11 and effectively prevent the risk of water leakage from the spliced joint, thereby improving the reliability and service life of the inner container 10 and the dishwasher 1, and reducing the failure and maintenance costs caused by water leakage. At the same time, the use of an integral molding process can also simplify the production process, improve production efficiency and processing accuracy, and reduce the cost of manpower and material resources during production. In addition, the surface of the integrally formed upper shell assembly 11 is smoother, reducing the splicing gap, and food residues are less likely to accumulate in the gap during cleaning of the inner container 10, not only reducing the cleaning difficulty, but also preventing the risk of bacterial and mold breeding in the gap, thereby ensuring the dishwasher 1 and ensuring that the cleaned tableware is more hygienic.

[0048] In addition to the above-mentioned manner, the upper back wall can be integrally formed with one of the upper side walls and fixedly connected with the upper top wall, which can also ensure the overall structural strength and stability of the upper shell assembly 11 and has production process and cost advantages. It should be noted here that the upper top wall is fixedly connected with the two upper side walls and the upper back wall. The fixed connection here should be understood as that the upper back wall, the upper top wall, and the two upper side walls are all separately formed workpieces, which is conducive to fine processing and quality control of each separate workpiece, and also makes the production process and assembly process more flexible. In the assembly process, the upper back wall, the upper top wall, and the two upper side walls are first engaged and spliced adjacent to each other, and then welded or riveted, and sealed by gluing. In actual production process, considering factors such as production difficulty, production demand, and production cost, the splicing assembly and integral molding are combined for production and manufacturing.

[0049] Correspondingly, the lower shell assembly 12 can also include a lower bottom wall, a lower top wall, two lower side walls and a lower back wall. The two lower side walls are oppositely arranged and each is vertically connected to the lower top wall. The lower top wall is oppositely arranged with the lower bottom wall. The lower top wall is integrally formed with the two lower side walls, and the two upper side walls are connected to the lower bottom wall to form a mouth-shaped workpiece. The lower back wall is integrally formed with the upper top wall and is fixedly connected to the lower bottom wall and the two lower side walls. Alternatively, the lower back wall can be integrally formed with one of the two lower side walls and is fixedly connected to the lower top wall and the lower bottom wall. The overall structural strength and stability of the lower shell assembly 12 can be ensured. In the assembly process, the lower back wall, the lower top wall, the lower bottom wall and the two lower side walls are first engaged and then welded, riveted or sealed by glue, and the present application does not limit this.

[0050] In summary, the U-shaped upper shell assembly 11 is stacked and mounted on the top of the mouth-shaped lower shell assembly 12. The upper shell assembly 11 and the lower shell assembly 12 can be independently machined during production. Subsequently, only the upper shell assembly 11 and the lower shell assembly 12 need to be assembled to form the upper washing cavity 110 and the lower washing cavity 121 to meet the different use requirements of users. This stacking and mounting method is relatively simple, can well avoid complex internal structure assembly, reduce assembly steps and difficulty, and improve production convenience and efficiency, thereby solving the problem of complex overall structure of the existing upper and lower split-cavity dishwasher 1, which leads to complicated assembly. The simple overall structure also helps to reduce the cost of production.

[0051] It should be noted that when the dishwasher 1 is provided with a door body facing the user's standing direction, the front-to-back direction of the dishwasher 1 inner container 10 described in the present application is the user's facing direction, and the left and right sides of the dishwasher 1 inner container 10 are the user's left and right sides. One of the two upper side walls defined above is defined as an upper left side wall, and the other is an upper right side wall. One of the two lower side walls defined above is defined as a lower left side wall, and the other is a lower right side wall. The upper left side wall is coplanar with the lower left side wall, and the upper right side wall is coplanar with the lower right side wall. The coplanar arrangement here means that they are in the same plane. Specifically, in the up-down direction, the upper left side wall and the lower left side wall are in the same plane, and the upper right side wall and the lower right side wall are in the same plane.

[0052] Such arrangement not only enables the upper shell assembly 11 and the lower shell assembly 12 to better support each other at the connection part, but also enhances the stability and firmness of the overall dishwasher 1 inner container 10 structure, reducing the possibility of deformation or damage caused by vibration during the washing process. At the same time, it is beneficial to the alignment and connection of the upper shell assembly 11 and the lower shell assembly 12 during assembly, reducing the difficulty and precision requirements of assembly and improving the assembly efficiency. It also makes the side lines of the dishwasher 1 more smooth and neat, improving the overall aesthetics and meeting the aesthetic needs of users for product appearance design.

[0053] In addition to the separation of the washing inner cavity into the upper washing cavity 110 and the lower washing cavity 121 by the upper top wall of the upper shell assembly 11 or the lower top wall of the lower shell assembly 12, in an embodiment of the present application, the partition 20 is inserted into the upper shell assembly 11 and cooperates with the upper shell assembly 11 to define the upper washing cavity 110, and the partition 20 is inserted into the lower shell assembly 12 and cooperates with the lower shell assembly 12 to define the lower washing cavity 121. At this time, the upper surface of the partition 20 forms the wall surface of the upper bottom wall of the upper shell assembly 11, and the lower surface of the partition 20 forms the lower top wall of the lower shell assembly 12. The upper shell assembly 11 and the lower shell assembly 12 are respectively inserted into the partition 20 to divide the washing inner cavity into the upper washing cavity 110 and the lower washing cavity 121. This arrangement simplifies the assembly process, reduces the difficulty of assembly and the requirement for worker skills, improves the assembly speed, and reduces the assembly time and labor cost. In the assembly process or the replacement process in the later maintenance, the upper shell assembly 11 or the lower shell assembly 12 can be more conveniently separated from the partition 20, which reduces the disassembly and repair difficulty, thereby reducing the assembly cost and repair cost.

[0054] In an embodiment of the present application, please refer to Figures 4 to 7 The dishwasher 1 further comprises a lower cavity waterway system 40 and a base connected to the bottom of the outer shell and located below the bottom disc 50 of the inner container 10. The lower cavity waterway system 40 is suitable for supplying and draining water to the lower washing cavity 121, and the upper and lower cavity independent waterway systems can realize independent washing of the upper and lower cavities. Users can open only the upper cavity or the lower cavity for washing according to needs during the washing process, which can save water resources and energy, and also can flexibly select according to different numbers and types of tableware. Of course, the two washing cavities can also work in parallel to shorten the overall washing time. Moreover, when one washing cavity fails or needs maintenance, the other washing cavity can still be used normally, which will not affect the daily tableware cleaning needs of users.

[0055] The lower cavity waterway system 40 is located between the base and the bottom disc 50. The space between the base and the bottom disc 50 is usually compact. Placing the lower cavity waterway system 40 in this space can make full use of the space, avoid occupying other areas, effectively utilize the space at the bottom of the dishwasher 1, improve the space utilization rate, and shorten the length of the pipeline for supplying and draining water to the lower cavity, improve the water supply efficiency, and reduce energy loss, realize efficient water supply and drainage, and facilitate maintenance and repair of the lower cavity waterway system 40.

[0056] The upper cavity waterway system 30 is suitable for supplying and draining water to the upper washing cavity 110. The upper cavity waterway system 30 includes an upper cavity washing pump 31 and an upper cavity drainage pump 32, which are respectively arranged on the left and right sides of the inner container 10 and between the outer shell and the inner container 10. In this way, the space between the outer shell and the inner container 10 is fully utilized, avoiding the problem of crowding caused by the concentration of components, reducing the crossing of pipelines and the mutual interference between components, and improving the stability of system operation. This design makes the overall structure of the dishwasher 1 more compact, helps to reduce the size of the equipment, meets the requirements of modern kitchens for the size of household appliances, and meets the diversified washing needs of users. Since the upper cavity washing pump 31 and the upper cavity drainage pump 32 are respectively located on the left and right sides of the inner container 10, they avoid being arranged on the same side, which makes the model more coordinated and symmetrical, and also facilitates the separate disassembly and maintenance of the upper cavity washing pump 31 and the upper cavity drainage pump 32. If a component fails, it can be quickly located and replaced without the need to disassemble the entire waterway system.

[0057] The upper cavity washing pump 31 and the upper cavity drainage pump 32 are both arranged between the part of the inner container 10 corresponding to the lower washing cavity 121 and the outer shell. Compared with placing the upper cavity waterway system 30 and the lower cavity waterway system 40 together between the base and the bottom plate 50, this arrangement places the upper cavity waterway system 30 closer to the upper washing cavity 110, shortens the length of the water supply and drainage pipeline, reduces water flow resistance, and can pump water in or out more quickly, shortening the washing and drainage time and improving the water supply and drainage efficiency. It can also quickly drain sewage through gravity, avoid sewage retention, reduce the possibility of secondary pollution, and thus improve washing efficiency, thereby better meeting the diversified washing needs of users.

[0058] In some embodiments, the left and right side portions of the inner tub 10 are each concavely arranged downwards into the lower washing cavity 121, so that the partial inner tub 10, the lower wall surface of the partition 20 and the outer shell jointly define the first installation space 101, that is, the left and right sides of the inner tub 10 each have two opposite and mutually independent first installation spaces 101, and the upper cavity washing pump 31 and the upper cavity drainage pump 32 are respectively located in the corresponding first installation space 101. The partial structure of the rear side of the inner tub 10 is concavely arranged downwards into the lower washing cavity 121, so that the partial inner tub 10, the lower wall surface of the partition 20 and the outer shell jointly define the second installation space 102. It can be understood that the inner tub 10 further comprises a rear back plate 13, which is arranged on the rear side of the upper shell assembly 11 and the lower shell assembly 12. In the structure in which the partial inner tub 10 forms the second installation space 102, the rear back plate 13 can comprise an upper back plate 131 and a lower back plate 132 arranged in an upper-lower separation manner, the upper back plate 131 is connected to the rear side of the upper back wall, and the lower back plate 132 is connected to the rear side of the lower back wall, so as to structurally support the inner tub 10 on the rear side and ensure the structural strength. Thus, the second installation space 102 corresponding to the part of the lower washing cavity 121 can be formed by the partial structure of the two lower side walls and the partial structure of the lower rear wall, and is located between the upper back plate 131 and the lower back plate 132.

[0059] In this way, the upper cavity washing pump 31 and the upper cavity drainage pump 32 are both arranged outside the washing inner cavity, avoiding occupying too much internal effective washing space, and can be closer to the upper cavity washing area, reducing the length of the pipeline and improving the efficiency of water flow, while being conducive to heat dissipation and maintenance of the upper cavity washing pump 31 and the upper cavity drainage pump 32. Moreover, the two are installed in the concave space formed by the structure of the inner tub 10 itself and enclosed by the outer shell, providing stable support for the components and reducing the vibration and displacement of the components during operation, improving the structural stability of the entire dishwasher 1. Not only space is saved, but also the internal structure is more compact, improving the overall space utilization rate of the dishwasher 1. The concave structure makes the installation of the components more concealed, reduces the occupation of the internal washing space, so as to increase the placement space of the tableware and improve the practicality of the dishwasher 1.

[0060] In some embodiments, the upper cavity waterway system 30 further comprises an upper cavity water cup 35, the inlet sides of the upper cavity washing pump 31 and the upper cavity drainage pump 32 are both communicated with the upper cavity water cup 35, the upper cavity water cup 35 is connected to the partition 20 and located in the second installation space 102, the partition 20 is further provided with a slot 21 facing upward, the upper cavity water cup 35 is communicated with the upper washing cavity 110 through the slot 21, and the slot 21 is used to output the sewage produced by the upper washing cavity 110 to the outside of the upper washing cavity 110, that is, the sewage after washing the tableware can be collected into the upper cavity water cup 35 through the slot 21 and discharged. It can be understood that the slot 21 can also be equipped with a filter (such as a filter screen, a filter cover, etc.), on the one hand, food residues, oil, debris and other impurities will fall off from the tableware during the washing process. The filter can effectively intercept these impurities to prevent them from clogging the pipeline or entering other parts of the dishwasher 1 when the sewage is discharged. On the other hand, the filter can separate the impurities generated during the washing process from the washing water in time, so that the washing water used in circulation can be kept relatively clean. Clean washing water can better play the role of detergent, improve the washing effect, avoid the reattachment of impurities on the tableware, and ensure that the tableware can be thoroughly washed.

[0061] In some embodiments, the side wall of the upper shell assembly 11 is provided with a first plug-in part, the partition 20 is provided with a first plug-in slot in which the first plug-in part is inserted, the first plug-in slot is upwardly open to cooperate with the first plug-in part, and the first plug-in slot comprises a first inner side wall and a first outer side wall, the first inner side wall is located on the side close to the upper shell assembly 11, and the first outer side wall is located on the side away from the upper shell assembly 11 and is oppositely arranged with the first inner side wall.

[0062] Correspondingly, the partition 20 is further provided with a downwardly open second plug-in slot, the lower shell assembly 12 is provided with a second plug-in part, the first plug-in part can be arranged on the upper back wall or the upper side wall, and the second plug-in part can be arranged on the lower back wall or the lower side wall. Then, when assembled, the first plug-in part is inserted into the first plug-in slot, and the upper shell assembly 11 and the partition 20 are configured to form the upper washing cavity 110, the second plug-in part is inserted into the second plug-in slot, and the lower shell assembly 12 and the partition 20 are configured to form the lower washing cavity 121, so that the upper washing cavity 110 and the lower washing cavity 121 are relatively independent, which can better meet the cleaning needs of different amounts of tableware and be suitable for different washing scenes to meet the different use needs of users.

[0063] The plug-in assembly mode described above also helps to improve the assembly precision. The first slot and the second slot can be used as positioning structures to guide the upper shell assembly 11 and the lower shell assembly 12 to be accurately mounted to the two sides of the partition 20, thereby ensuring the position precision and structural stability of the upper washing cavity 110 and the lower washing cavity 121. Such an accurate assembly mode can reduce quality problems caused by improper assembly, such as poor sealing of the washing inner cavity, deviation of the water spraying angle of the spraying device, and the like, thereby improving the quality stability of the product.

[0064] In some embodiments, the height dimension of the first inner side wall is smaller than the height dimension of the first outer side wall, that is, a height difference is formed between the first inner side wall and the first outer side wall. In this way, the higher first outer side wall can form a relatively high blocking structure on the side away from the upper washing cavity 110. When the dishwasher 1 is working, even if a small amount of washing water seeps from the connection between the first plug-in part and the first slot, it will be blocked by the higher first outer side wall and is not easy to flow out of the washing cavity directly, but will form a relatively static water seal area in the first slot, further preventing water from continuing to seep outwards, achieving the purpose of sealing and preventing water leakage. At the same time, the height dimension of the first inner side wall is relatively small and close to the side of the upper washing cavity 110, so that the water flow is more likely to flow back into the upper washing cavity 110 along the connection between the first plug-in part and the first slot under the action of gravity and the internal pressure of the washing cavity, rather than accumulating at the connection to cause leakage.

[0065] In some embodiments, a flow guide slope is further provided on the partition 20. The flow guide slope is formed on the upper wall surface of the partition 20 and is inclined towards the slot 21, that is, the flow guide slope is inclined to the first inner side wall. Specifically, the flow guide slope is inclined downward along the direction close to the center of the upper shell assembly 11. The flow guide slope here can be a plane, that is, the flow guide slope has a chamfer structure. Of course, the flow guide slope can also be an arc surface provided in a convex manner, that is, the flow guide slope has a rounded corner structure; or the flow guide slope can also be an arc surface provided in a concave manner. In this way, under the action of the flow guide slope, the water flow flows along the inclined direction of the flow guide slope, avoiding irregular splashing or directly vertical downward flow, which helps to more concentratedly guide the water flow to a specific position.

[0066] Meanwhile, during the operation of the dishwasher 1, a large amount of water vapor is generated in the interior, and the inclined flow guide slope can enable the condensed water vapor to be more quickly concentrated and guided to the slot 21 on the partition 20, so as to better converge the water flow, avoid irregular condensation of the water vapor on the first inner side wall to form water droplets, and accelerate the drainage speed. This not only reduces the problem of moisture in the interior of the dishwasher 1 caused by condensation of the water vapor, but also helps to shorten the duration of the moist environment in the upper washing cavity 110, maintain a dry environment in the upper washing cavity 110, reduce the corrosion and mildew of components caused by moisture, and reduce the water accumulation time in the upper washing cavity 110, which is beneficial to improve the overall working efficiency of the dishwasher 1, especially in the drainage stage, the drainage operation can be completed more quickly, time is saved for subsequent rinsing, drying and other processes, and the reliability and stability of the dishwasher 1 are improved.

[0067] The upper cavity waterway system 30 further comprises an upper cavity drain pipe 36, which is in communication with the outlet side of the upper cavity drain pump 32 and is used for draining the washing water in the upper washing cavity 110 to the outside. The upper cavity drain pipe 36 comprises a first drain section 361, an elbow section 362 and a second drain section 363 which are sequentially communicated. The first drain section 361 is connected with the outlet side of the upper cavity drain pump 32, and the highest position of the center line of the elbow section 362 is higher than the upper surface of the cavity bottom wall formed by the partition 20, so as to prevent backflow of water flow during drainage, prevent water from leaking out of the upper cavity drain pipe 36 during washing, and ensure smooth drainage.

[0068] The highest position of the center line of the elbow section 362 and the upper surface of the partition 20 have a height difference H, and the height difference H is greater than or equal to 5 mm. In actual operation, there is inevitably some washing water remaining in the upper washing cavity 110, which cannot be immediately drained out of the upper washing cavity 110 through the upper cavity water cup 35. Therefore, in actual use, there is a height difference H between the highest position of the center line of the elbow section 362 and the actual highest water level in the upper washing cavity 110, and the height difference H is greater than or equal to 5 mm. The height difference H can be 5 mm, 6 mm or 7.5 mm, etc. The present application does not limit this. It can be understood that the height difference H should not be too large, otherwise the height of the elbow section 362 will be too high, which will cause the drainage pressure difference to be too large, increase the difficulty of drainage, and make the structure of the upper cavity drain pipe 36 redundant.

[0069] In some embodiments, please refer to Figure 1 , Figures 5 to 7The upper cavity waterway system 30 further comprises a water cup drainage pipe 37 connecting the upper cavity water cup 35 and the inlet side of the upper cavity drainage pump 32. The second installation space 102 extends in the left-right direction of the inner container 10 and has a first through opening 102a on one side in the left-right direction of the inner container 10. Part of the water cup drainage pipe 37 extends to the side in the left-right direction of the inner container 10 through the first through opening 102a to be connected with the inlet side of the upper cavity drainage pump 32. Through the design of the first through opening 102a, the water cup drainage pipe 37 can avoid other components inside the inner container 10, fully utilize the extension area of the second installation space 102 in the left-right direction, and avoid occupying additional external space. Reducing the complexity of pipeline layout, realizing compact layout, further saving installation space, extending the water cup drainage pipe 37 to the side of the inner container 10 can avoid crossing with the pipelines of other waterway components, while ensuring the smoothness of the drainage path.

[0070] In another embodiment, an upper cavity water supply pipe connected with the upper cavity water cup 35 is further included. The second installation space 102 has a second through opening 102b on the other side in the left-right direction of the inner container 10, and the upper cavity water supply pipe is arranged through the second through opening 102b. In addition, in the structure in which the upper cavity washing pump 31 is arranged in the first installation space 101, the upper cavity washing pump 31 is further connected with a connecting pipeline 34. The connecting pipeline 34 comprises a pump inlet pipe 341 and a pump outlet pipe. The pump inlet pipe 341 and the pump outlet pipe of the connecting pipeline 34 can also be arranged through the second through opening 102b, which facilitates the connection of the pump inlet pipe 341 with the upper cavity water cup 35 and facilitates the pipeline of the pump outlet pipe from the rear, thereby realizing the reasonable layout of the upper cavity waterway system 30.

[0071] In some embodiments, the upper washing cavity 110 is provided with an upper cavity spraying device 60, and the upper cavity spraying device 60 is arranged on the partition 20 and communicates with the upper cavity waterway system 30. The lower washing cavity 121 is provided with a lower cavity spraying device 70, and the lower cavity spraying device 70 is arranged on the bottom disc 50 and communicates with the lower cavity waterway system 40. Alternatively, only the upper cavity spraying device 60 or only the lower cavity spraying device 70 can be arranged, and the cavity without the spraying device can be used for sterilization and drying alone, thereby realizing the simplification of the structure of the dishwasher 1 and ensuring the diversity of the functions of the dishwasher 1, thereby meeting the diversified use experience of users.

[0072] The same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components; in the description of the present application, it is understood that if the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the orientations or positional relationships shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationships in the drawings are only used for exemplary illustration and cannot be understood as a limitation on the present application, for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0073] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A dishwasher, characterized in that The utility model relates to a washing machine, comprising: a housing; a tub arranged in the housing and having a washing cavity; a partition arranged in the washing cavity to divide the washing cavity into an upper washing cavity and a lower washing cavity; and an upper cavity waterway system adapted to supply and drain water to the upper washing cavity, wherein the upper cavity waterway system comprises an upper cavity washing pump and an upper cavity drainage pump, and the upper cavity washing pump and the upper cavity drainage pump are arranged on the left and right sides of the tub respectively and between the housing and the tub.

2. The dishwasher according to claim 1, characterized in that The upper cavity washing pump and the upper cavity drainage pump are arranged between the portions of the tub corresponding to the lower washing cavity and the housing.

3. The warewashing machine of claim 2, wherein, The left and right side portions of the tub are respectively arranged concavely into the lower washing cavity, so that the portions of the tub, the lower wall of the partition and the housing jointly define a first mounting space, and the upper cavity washing pump and the upper cavity drainage pump are respectively arranged in the corresponding first mounting space.

4. The warewashing machine of claim 3, wherein, The rear portion of the tub is arranged concavely into the lower washing cavity, so that the portions of the tub, the lower wall of the partition and the housing jointly define a second mounting space.

5. The warewashing machine of claim 4, wherein, The upper cavity waterway system further comprises an upper cavity water cup, and the inlet sides of the upper cavity washing pump and the upper cavity drainage pump are both communicated with the upper cavity water cup. The upper cavity water cup is connected to the partition and arranged in the second mounting space, and a slot opening upward is further formed in the partition, and the upper cavity water cup is communicated with the upper washing cavity through the slot opening.

6. The warewashing machine of claim 5, wherein, A flow guide slope is further arranged on the partition, the flow guide slope is formed on the upper wall of the partition, and the flow guide slope is arranged obliquely towards the slot opening.

7. The warewashing machine of claim 4, wherein, The upper cavity waterway system further comprises: an upper cavity drainage pipe communicated with the outlet side of the upper cavity drainage pump and used for draining washing water in the upper washing cavity to the outside, the upper cavity drainage pipe comprises a first drainage section, an elbow section and a second drainage section communicated in sequence, the first drainage section is connected with the outlet side of the upper cavity drainage pump, and the highest position of the center line of the elbow section is arranged higher than the upper surface of the cavity bottom wall of the partition forming the upper washing cavity.

8. The warewash machine of claim 7, wherein, The upper cavity waterway system further comprises a water cup drainage pipe connecting the upper cavity water cup and the inlet side of the upper cavity drainage pump, the second mounting space extends along the left and right directions of the tub, has a first through opening on one side in the left and right directions of the tub, and a portion of the water cup drainage pipe extends to the side in the left and right directions of the tub through the first through opening to be connected with the inlet side of the upper cavity drainage pump.

9. The warewash machine of claim 8, wherein, The upper cavity waterway system further comprises an upper cavity water supply pipe connected with the upper cavity water cup, the second mounting space has a second through opening on the other side in the left and right directions of the tub, and the upper cavity water supply pipe is arranged in the second through opening.

10. The warewashing machine of any one of claims 3 to 9, wherein, The tub comprises an upper shell assembly and a lower shell assembly, the partition is inserted into the upper shell assembly and cooperates with the upper shell assembly to define the upper washing cavity, and / or the partition is inserted into the lower shell assembly and cooperates with the lower shell assembly to define the lower washing cavity.

11. The warewash machine of claim 10, wherein, A first insertion part is arranged on the side wall of the upper shell assembly, a first insertion slot into which the first insertion part is inserted is arranged on the partition, and the first insertion slot comprises A first inner side wall is located on a side close to the upper shell assembly; and A first outer side wall is located on a side away from the upper shell assembly and is arranged opposite to the first inner side wall, and a height dimension of the first inner side wall is smaller than a height dimension of the first outer side wall.

12. The warewashing machine of any one of claims 3 to 9, wherein, Further comprising a lower cavity waterway system and a base, the base is connected to a bottom of the outer shell and is located below a bottom disc of the inner container, the lower cavity waterway system is suitable for supplying and draining water to the lower washing cavity and is located between the base and the bottom disc.

13. The warewash machine of claim 12, wherein, An upper cavity spraying device is arranged in the upper washing cavity, the upper cavity spraying device is arranged on the partition and communicates with the upper cavity waterway system; And / or, a lower cavity spraying device is arranged in the lower washing cavity, the lower cavity spraying device is arranged on the bottom disc and communicates with the lower cavity waterway system pipeline.

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