Water cup assembly and dish washing machine

Abstract

The utility model discloses a dish-washing machine and a water cup assembly, the water cup assembly comprises: a water cup, the water cup is provided with a water storage cavity and a water outlet, the water outlet is communicated with the water storage cavity; the drainage device is communicated with the drainage opening; an air blowing opening of the air blowing device is communicated with the water drainage device, and the air blowing device blows air to the water drainage device through the air blowing opening so as to discharge water in the water drainage device through air pressure. According to the water cup assembly of the dish washing machine, the drainage effect of the drainage device is improved through airflow, and water residues in the drainage device are reduced.

Description

Technical Field

[0001] This utility model relates to the field of kitchen appliance technology, and in particular to a water cup assembly and a dishwasher. Background Technology

[0002] After a dishwasher finishes or during a wash cycle, it typically needs to drain water using a water cup assembly. However, due to the location of the drain pipe in the relevant technology, the water cup assembly has difficulty emptying the water completely, and water residue can easily remain inside the pipe wall. After a period of use, this can easily lead to the growth of bacteria and the development of unpleasant odors. Utility Model Content

[0003] One objective of this invention is to provide a water cup assembly for a dishwasher that utilizes airflow to improve the drainage effect of the water cup assembly and reduce water residue in the water cup assembly.

[0004] Another objective of this invention is to provide a dishwasher.

[0005] A dishwasher water cup assembly according to an embodiment of the present invention includes: a water cup having a water storage cavity and a drain outlet, the drain outlet being connected to the water storage cavity; a drain device being connected to the drain outlet; and an air blowing device having an air blowing port being connected to the drain device, the air blowing device blowing air through the air blowing port to the drain device to discharge water from the drain device using air pressure.

[0006] According to the embodiments of the present invention, the water cup assembly of the dishwasher utilizes airflow to improve the drainage effect of the water cup assembly and reduce water residue in the water cup assembly.

[0007] In addition, the water cup assembly of the dishwasher according to the above embodiments of the present invention may also have the following additional technical features:

[0008] In some embodiments, the air inlet is located upstream of the drainage device.

[0009] In some embodiments, the water cup assembly further includes an air duct that connects the air blowing device and the air blowing port, wherein the air duct is integrated into the water cup; or, the air duct and the water cup are configured as separate structures; or, the air duct is located at the lower part of the water cup and is distributed horizontally alongside the lower space of the water storage cavity.

[0010] In some embodiments, the water cup also has an air inlet and a water outlet, the two ends of the air duct are respectively connected to the air inlet and the air outlet, the water outlet is used to connect to the washing pump, and the air inlet and the water outlet are located on the same side of the water cup.

[0011] In some embodiments, the air blowing device includes a fan and an air inlet pipe, one end of which is connected to the fan and the other end of which blows air toward the drainage device, and the fan is an axial flow fan.

[0012] In some embodiments, the water cup assembly further includes: a check valve connected to the water cup and having a first position and a second position, wherein in the first position the check valve closes the drain outlet and in the second position the check valve opens the drain outlet; and / or, in the first position the check valve opens the air inlet and in the second position the check valve closes the air inlet.

[0013] In some embodiments, the water cup further includes a drain channel and a connecting port, one end of the drain channel is connected to the drain port and the other end is connected to the connecting port, the air blowing port is disposed on the side wall of the drain channel, and the check plate is rotatably disposed in the drain channel, the check plate switching between the first position and the second position by rotation.

[0014] In some embodiments, the air inlet and the drain outlet are arranged adjacent to each other and have an included angle, and the check valve is rotatably disposed between the air inlet and the drain outlet.

[0015] In some embodiments, the check valve includes a rotating shaft and a lever, the rotating shaft being connected to the water cup, and the lever being connected to the rotating shaft and rotatable about the rotating shaft between a first position and a second position.

[0016] In some embodiments, the check valve is configured as an elastic element connected to the water cup, the elastic element switching between the first position and the second position by elastic deformation.

[0017] In some embodiments, the drain outlet is configured as an arc extending circumferentially along the water storage cavity, and the shape of the check valve is adapted to the shape of the drain outlet.

[0018] A dishwasher according to an embodiment of the present invention includes: an inner tub having a washing chamber; and the aforementioned water cup assembly having the water cup connected to the washing chamber.

[0019] In some embodiments, the dishwasher further includes: a washing device including a washing pump; and a diversion valve connected to the air blowing device, the washing pump, the water cup, and the draining device, respectively, the diversion valve controlling the on / off connection between the air blowing device, the washing pump, the water cup, and the draining device.

[0020] In some embodiments, the diversion valve has a first connected state, in which the air blowing device is connected to the drain device; and / or, the diversion valve also has a second connected state, in which the air blowing device is connected to both the drain device and the water cup; and / or, the diversion valve also has a third connected state, in which the air blowing device is connected to the washing pump; and / or, the diversion valve also has a shut-off state, in which the air blowing device is disconnected from the drain device, the water cup, and the washing device, and the water cup is connected to the washing pump.

[0021] In some embodiments, the diversion valve has an air inlet and a first outlet, a second outlet and a third outlet, the diversion valve being located between the water cup and the washing pump, the first outlet being connected to a drain device, the second outlet being connected to the water cup, and the third outlet being connected to the inlet of the washing pump. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of a water cup assembly according to an embodiment of the present invention.

[0023] Figure 2 This is a schematic diagram of a water cup assembly according to an embodiment of the present invention.

[0024] Figure 3 This is a schematic diagram of a water cup assembly according to an embodiment of the present invention, wherein the check valve is in the first position.

[0025] Figure 4 This is a schematic diagram of a water cup assembly according to an embodiment of the present invention, wherein the check valve is in the second position.

[0026] Figure 5 This is a schematic diagram of a partial structure of a dishwasher according to an embodiment of the present invention in a first direction.

[0027] Figure 6 This is a schematic diagram of a partial structure of a dishwasher according to an embodiment of the present invention in a second direction.

[0028] Figure 7 This is a schematic diagram of a partial structure of a dishwasher according to an embodiment of the present invention from a third-party perspective.

[0029] Figure 8 This is a cross-sectional view of a partial structure of a dishwasher according to an embodiment of the present invention.

[0030] Figure 9 This is a schematic diagram of the reversing device of a dishwasher according to an embodiment of the present invention.

[0031] Figure 10This is a cross-sectional view of a reversing device of a dishwasher according to an embodiment of the present invention, wherein the reversing device is in a first connected state.

[0032] Figure 11 This is a cross-sectional view of a reversing device of a dishwasher according to an embodiment of the present invention, wherein the reversing device is in a second connected state.

[0033] Figure 12 This is a cross-sectional view of a reversing device of a dishwasher according to an embodiment of the present invention, wherein the reversing device is in a third connected state.

[0034] Figure 13 This is a cross-sectional view of the reversing device of a dishwasher according to an embodiment of the present invention, with the reversing device in the off state.

[0035] Figure 14 This is a schematic diagram of a dishwasher according to one embodiment of the present invention.

[0036] Figure label:

[0037] Dishwasher 100, main body 10, water cup 11, water storage chamber 1101, drain outlet 1102, drain channel 1103, connecting port 1104, water outlet 1105, check valve 112, drain device 12, washing device 13, washing pump 131, water distribution valve 132, rinsing assembly 133, top spray arm 1331, middle spray arm 1332, lower spray arm 1333, reversing device 20, air inlet 208, first outlet 201, second outlet 202, third outlet 203, sealing part 204, housing 21, air distribution component 22, baffle 221, baffle plate 222, air blowing device 30, air blowing port 301, air inlet 302, air duct 303. Detailed Implementation

[0038] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0039] Combination Figures 1 to 4 The water cup 11 of the dishwasher 100 according to the present utility model embodiment includes: water cup 11, drain device 12 and air blowing device 30.

[0040] Specifically, the water cup 11 has a water storage chamber 1101 and a drain outlet 1102. The water storage chamber 1101 is used to receive and store water. For example, at the start of the wash cycle, wash water will flow into the water storage chamber 1101 so that the wash pump 131 can draw water from the water storage chamber 1101 for the dishwasher 100 to clean the dishes. During the wash cycle, the wash water falls into the water storage chamber 1101 after cleaning the dishes in the wash chamber. After the wash cycle is completed or when drainage is required during the wash cycle, the wash water is stored in the wash chamber and can be drained from the water storage chamber 1101 using the drain outlet 1102.

[0041] The drainage device 12 is connected to the drain outlet 1102. Water in the water storage chamber 1101 of the water cup 11 can be sent to the drainage device 12 through the drain outlet 1102 and discharged from the water storage chamber 1101 under the action of the drainage device 12, thereby realizing the discharge of water in the water storage chamber 1101. The drainage device 12 can be configured as a suction drainage method. Specifically, water can be drawn from the drain outlet 1102 by the drainage device 12 and then discharged from the water cup 11.

[0042] The air blowing device 30 has an air blowing port 301 connected to the drainage device 12. The air blowing device 30 blows air into the drainage device 12 through the air blowing port 301 to discharge the water in the drainage device (12) using air pressure. If there is water in the drainage device 12, the water can be discharged from the drainage device 12 under the action of air pressure. If there is no water in the drainage device 12, but there is residual water on the inner wall surface of the drainage device 12, the airflow can dry the residual water on the inner wall surface, thereby achieving complete drying of the drainage device 12.

[0043] According to the present invention, the water cup 11 of the dishwasher 100 can be vented into the drain device 12 by the air blowing device 30. The positive pressure airflow drives the water stored in the drain device 12 to be discharged from the drain device 12 to the outside of the dishwasher, and at the same time dries the water inside the drain device 12. This can avoid the problem of bacterial growth in the drain device 12 causing odor or affecting the washing effect of the dishwasher 100. This facilitates the drainage and drying of the water cup 11 and improves the stability of the dishwasher 100. In addition, the dishwasher 100 can also be used to store tableware, thereby reducing the problem of bacterial growth caused by excessive humidity during storage.

[0044] The drainage device 12 of this utility model may include a drainage pump and a drainage pipe. The inlet of the drainage pump can be connected to the drain outlet 1102, and the outlet of the drainage pump can be connected to the drainage pipe. Under the driving action of the drainage pump, water at the inlet of the drainage pump can flow to the outlet and be discharged from the outlet into the drainage pipe, and then discharged out of the dishwasher through the drainage pipe. The drainage pump may include a pump chamber and a drive unit. The inlet and outlet of the drainage pump are conveniently located on the wall of the pump chamber, and the drive unit may include an impeller located in the drainage chamber. The wall of the drainage chamber may be integrally formed with the water cup 11, for example, the wall of the drainage chamber is integrally formed with the water cup 11, and the wall of the drainage chamber is arranged around the drain outlet 1102.

[0045] Combination Figures 1 to 4 In some embodiments, the air outlet 301 is located upstream of the drain device 12. The airflow delivered by the air blowing device 30 can enter the drain device 12 through the air outlet 301, using positive pressure airflow to drive the water stored in the drain device 12 out of the dishwasher, and can dry the entire drain device 12, thereby improving the drying effect of the drain device 12. Moreover, since the air outlet 301 is located upstream of the drain device 12, the airflow delivered from the air outlet 301 can pass through the entire drain device 12, thus improving the removal of residual water and the drying effect of the drain device 12. In addition, placing the air outlet 301 upstream of the drain device 12 can avoid or reduce water flow into the air outlet 301 due to the pressure of the water pump during the draining process, thereby simplifying the structure of the water cup 11 and improving the efficiency and effect of drainage.

[0046] Optionally, in conjunction with the foregoing, the drainage device 12 may include a drainage pump and a drainage pipe. The drainage pump may include a pump chamber and a drive unit. The air outlet 301 is located upstream of the drainage device 12, allowing the airflow from the air blowing device 30 to enter the pump chamber and subsequently flow from the pump chamber into the drainage pipe, thereby drying the pump chamber and the drainage pipe. Furthermore, since the drainage device 12 is configured to utilize a drainage pump, a negative pressure can be generated upstream of the drainage pump during the drainage process, thereby preventing wastewater from entering the air outlet 301 during the drainage process.

[0047] Of course, the air inlet 301 can also be located on the drainage device 12, for example, the air inlet 301 can be configured to connect to the pump chamber, etc.

[0048] like Figure 2 In some embodiments, the drain outlet 1102 is located at the lower part of the side wall of the water storage cavity 1101. This allows water in the water cup 11 to be conveniently discharged through the drain outlet 1102. The inner bottom surface of the water storage cavity 1101 can be configured to slope downwards towards the drain outlet 1102. Of course, the drain outlet 1102 in this invention can also be located on the inner bottom surface of the water storage cavity 1101 or other similar locations.

[0049] In addition, the drain outlet 1102 of this invention can be configured as a grid, which can have a certain filtering effect, preventing impurities from being discharged through the drain outlet 1102 and affecting the stable operation of the drainage pump. Furthermore, in conjunction with the check plate 112 in the following embodiments, the grid-shaped drain outlet 1102 can also facilitate the positioning of the check plate 112, thereby improving its stability.

[0050] like Figure 3 and Figure 4 In some embodiments, the water cup 11 further includes a drain channel 1103 and a connecting port 1104. One end of the drain channel 1103 is connected to the drain outlet 1102, and the other end is connected to the connecting port 1104. The drain device 12 is connected to the connecting port 1104, and the air outlet 301 is connected to the drain channel 1103. The drain channel 1103 can be configured to connect the water storage chamber 1101 and the drain device 12, allowing air to be expelled through the air outlet 301. Thus, during drainage, water can flow through the drain channel 1103 and then to the drain device 12; during air supply, airflow can flow through the drain channel 1103 and then to the drain device 12. This simplifies the structure of the water cup 11 and improves its stability. The drain channel 1103 can be configured to extend horizontally, or it can be configured to slope upwards or downwards in the direction from the drain outlet 1102 to the connecting port 1104.

[0051] The air outlet 301 can be located on the side wall of the drain channel 1103, which simplifies the air outlet structure of the air outlet 301, reduces the amount of washing water entering the air blowing device 30 through the air outlet 301 during the washing process, improves the stability of the water cup 11, and reduces or avoids the problem of water accumulation in the air outlet 301. Alternatively, the air outlet 301 can also be located on the top wall of the drain channel 1103 or at other locations. Furthermore, the air outlet 301 and the drain outlet 1102 can be arranged horizontally. This makes the heights of the air outlet 301 and the drain outlet 1102 relatively similar, increasing the resistance of water discharged from the drain outlet 1102 to flowing into the air outlet 301, thus facilitating drainage of the water cup 11 and the use of airflow to dry the drain device 12.

[0052] In addition, the air inlet 301 is located on the side wall of the drainage channel 1103 in this utility model, which can simplify the structure of the water cup 11. The horizontal arrangement of the air inlet 301 and the drainage outlet 1102 has little impact on the structure of the water cup 11, and facilitates the production and design of the water cup 11.

[0053] like Figure 1In some embodiments, the water cup 11 may also include an air duct 303, which connects the air blowing device 30 and the air blowing port 301. The air duct is configured to guide the airflow from the air supply component into the air blowing port 301, so that the airflow output by the air blowing device 30 can be sent to the air blowing port 301 by the air duct 303 and finally discharged from the air blowing port 301.

[0054] In this invention, the air duct 303 can be integrated into the water cup 11. This simplifies the structure of the water cup 11, improves its integration, and optimizes its performance. Alternatively, the air duct 303 and the water cup 11 can be configured as separate units.

[0055] Furthermore, the air duct 303 is located at the lower part of the water cup 11, which can make full use of the space at the lower part of the water cup 11 and improve space utilization. In addition, when integrating the air duct 303 into the water cup 11, placing the air duct 303 at the lower part of the water cup 11 can reduce the impact of the air duct 303 on the structure of the water storage cavity 1101, and avoid the addition of the air duct 303 causing the structure of the water cup 11 to become complicated or affecting the water cup 11's ability to collect water from the washing cavity. Optionally, the air duct 303 and the lower space of the water storage cavity are distributed side by side in the horizontal direction.

[0056] Optionally, combined Figure 1 and Figure 2 The two ends of the air duct 303 are respectively located on opposite sides of the water cup 11. This allows for easy connection of one side of the water cup 11 to the drain device 12 and the other side to the air blowing device 30, avoiding space constraints caused by mutual interference between components. Furthermore, in conjunction with the following embodiment, it also facilitates the diversion valve 20 to divert the airflow delivered by the air blowing device 30, thereby facilitating the connection between the diversion valve 20 and the water cup 11, effectively improving the performance and stability of the dishwasher 100, and increasing space utilization.

[0057] Among them, such as Figure 2 The water cup 11 also has an air inlet 302, and the two ends of the air duct 303 are connected to the air inlet 302 and the air outlet 301, respectively. The air inlet 208 can be used to connect to the air blowing device 30, and the air outlet 301 can be used to blow air to the drain pump. By setting it up, the air blowing device 30 can be connected to the water cup 11, which can achieve the connection with the air outlet 301, simplifying the structure of the water cup 11.

[0058] Optionally, such as Figure 2The water cup 11 also has an air inlet 302 and a water outlet 1105. The two ends of the air duct 303 are connected to the air inlet 302 and the air blowing port 301, respectively. The water outlet 1105 is used to connect to the inlet of the washing pump 131. The air inlet 302 and the water outlet 1105 are located on the same side of the water cup 11. The air inlet 208 can be used to connect to the air blowing device 30, and the water outlet 1105 can be used to connect to the washing pump 131. This facilitates the connection of the water cup 11 to other components.

[0059] In addition, in some embodiments of this utility model, a diversion valve 20 may also be included. The diversion valve 20 can be used to connect the air inlet 302, the water outlet 1105, and the inlet of the washing pump 131. Since the water outlet 1105 and the air inlet 302 are located on the same side of the water cup 11, it is convenient to connect the diversion valve 20 to the water outlet 1105 and the air inlet 302. In addition, the washing pump 131 is usually located near the water outlet 1105. Thus, the inlet of the washing pump 131 can be connected through the diversion valve 20, so as to control the airflow direction of the air outlet assembly, so as to control the airflow to the drain device 12, the water cup 11, and / or the washing pump 131. This simplifies the structure of the dishwasher 100 with the drain device 12 and optimizes the performance of the dishwasher 100.

[0060] like Figure 3 and Figure 4 In some embodiments, the water cup 11 further includes: a check valve 112, which is connected to the water cup 11 and has a first position and a second position, wherein in the first position the check valve 112 closes the drain outlet 1102 and in the second position the check valve 112 opens the drain outlet 1102; and / or, in the first position the check valve 112 opens the air outlet 301 and in the second position the check valve 112 closes the air outlet 301.

[0061] Optionally, the check valve 112 can be configured to open and close the drain outlet 1102, i.e., in the first position, the check valve 112 closes the drain outlet 1102, and in the second position, the check valve 112 opens the drain outlet 1102; the check valve 112 can also be configured to open and close the air inlet 301, i.e., in the first position, the check valve 112 opens the air inlet 301, and in the second position, the check valve 112 closes the air inlet 301; the check valve 112 can also be configured to open and close both the drain outlet 1102 and the air inlet 301, i.e., in the first position, the check valve 112 closes the drain outlet 1102 and opens the air inlet 301, and in the second position, the check valve 112 opens the drain outlet 1102 and closes the air inlet 301.

[0062] With the above settings, when the water cup 11 drains, the water will flow out from the drain port 1102 and be sent to the drain device 12. At this time, the drain port 1102 can be opened using the check plate 112 so that the water in the water storage chamber 1101 can be discharged smoothly. At this time, the air blowing port 301 can also be closed using the check plate 112 to prevent washing water during the washing process from easily flowing into the air blowing port 301. In addition, during the drying process of the drain device 11, the airflow will be sent out from the air blowing port 301 and be sent to the drain device 12. At this time, the air blowing port 301 can be opened using the check plate 112 so that the airflow can smoothly enter the drain device 12. At this time, the drain port 1102 can also be closed using the check plate 112 so that the airflow during the washing process can easily flow into the drain port 1102 during the drying process, thereby increasing the air pressure to the water cup 11 and improving the drying effect of the drain device 12.

[0063] The check valve 112 of this utility model may include, but is not limited to, the following embodiments.

[0064] In the first embodiment, the check valve 112 is rotatably connected to the water cup 11, and the check valve 112 switches between a first position and a second position by rotating. The rotation of the check valve 112 enables switching between the first and second positions, improving the stability of the check valve 112 when switching between different positions.

[0065] Optionally, the water cup 11 also includes a drain channel 1103 and a connecting port 1104. One end of the drain channel 1103 is connected to the drain port 1102, and the other end is connected to the connecting port 1104. The air blowing port 301 is provided on the side wall of the drain channel 1103. The check plate 112 is rotatably provided in the drain channel 1103. The check plate 112 switches between a first position and a second position by rotation.

[0066] The air inlet 301 and the drain outlet 1102 are arranged adjacent to each other and have an included angle, and the check plate 112 is rotatably disposed between the air inlet 301 and the drain outlet 1102.

[0067] The check valve 112 may include a rotating shaft and a lever. The rotating shaft is connected to the water cup 11, and the lever is connected to the rotating shaft and can rotate around the rotating shaft between a first position and a second position. The rotating shaft can be used to achieve stable rotation of the check valve 112, thereby improving the stability of the check valve 112.

[0068] Furthermore, the drain outlet 1102 and the air inlet 301 are distributed around the rotation axis; and / or, the air inlet 301 and the drain outlet 1102 are arranged adjacent to each other and have an included angle, and the check plate 112 is rotatably disposed between the air inlet 301 and the drain outlet 1102. This allows the check plate 112 to easily switch between the positions of closing the drain outlet 1102 and closing the air inlet 301 during rotation, so that the state switching of the drain outlet 1102 and the air inlet 301 can be achieved using a single check plate 112, simplifying the structure of the water cup 11 and improving the stability of the water cup 11.

[0069] In the second embodiment, the check valve 112 is configured as an elastic element connected to the water cup 11. The elastic element switches between a first position and a second position through elastic deformation. This further simplifies the structure of the check valve 112, utilizing elastic deformation to open and close the drain outlet 1102 or the air outlet 301, thereby preventing the rotating check valve 112 from failing due to foreign objects getting stuck, and improving the stability and service life of the water cup 11.

[0070] In this utility model, the air blowing device 30 includes a fan 31 and an air inlet pipe 32. One end of the air inlet pipe 32 is connected to the fan 31, and the other end blows air toward the drainage device 12. The fan 31 is an axial flow fan.

[0071] like Figure 3 and Figure 4 In some embodiments of this utility model, the shape of the check plate 112 is adapted to the shape of the drain outlet 1102, which can improve the sealing effect of the check plate 112 on the drain outlet 1102 in the first position, thereby increasing the air volume of the air blowing port 301 into the drain device 12, and thus improving the drying effect of the air outlet assembly.

[0072] Optionally, the drain outlet 1102 can be configured as an arc extending circumferentially along the water storage cavity 1101. The drain outlet 1102 can be located at the lower part of the peripheral wall of the water storage cavity 1101. By configuring the drain outlet 1102 as an arc, the structure of the drain outlet 1102 can be simplified.

[0073] In conjunction with the foregoing, the water cup 11 also includes a drainage channel 1103 and a connecting port 1104. One end of the drainage channel 1103 is connected to the drain port 1102, and the other end is connected to the connecting port 1104. The drainage device 12 is connected to the connecting port 1104, and the check plate 112 is disposed within the drainage channel 1103. This facilitates the installation of the check plate 112.

[0074] In addition, this utility model also provides a dishwasher 100. According to an embodiment of this utility model, the dishwasher 100 includes: an inner tub and the aforementioned water cup 11. The inner tub is provided with a washing chamber; the water cup 11 is connected to the washing chamber. The aforementioned water cup 11 can be used to drain water, so as to facilitate the drying of the dishwasher 100 and avoid odors caused by bacterial growth. The dishwasher 100 can be used to effectively store washed tableware and the like.

[0075] The drainage channel 1103 is equipped with a check valve 112 and a water inlet is provided at the downstream end of the drainage channel 1103. A one-way valve is provided at the rear end of the highest position of the internal drainage pipe, and a water inlet is provided at the rear end of the one-way valve. A drainage pump is provided between the two water inlets to remove residual water between the two individual structures.

[0076] Specific implementation description: The pump chamber is connected to the inner cavity of the water cup 11; the pump chamber contains a drain pump, which can discharge water outwards; the pump chamber is formed together with the drain pump and the water cup 11; the inner cavity of the water cup 11 is mainly a water storage structure; the pump chamber mainly discharges water from the inner cavity of the water cup 11 through a drain channel 1103, on which a check valve 112 is installed; the drain channel 1103 also has an air duct 303, which is connected to the pump chamber, and when the air duct 303 is in operation, water in the cavity can be discharged; when the drain pump is in operation, the check valve will connect the pump chamber to the inner cavity of the water cup 11 under the action of water flow, and at the same time close the connection with the air duct 303; when the air duct 303 is in operation, the check valve 112 will close the connection with the inner cavity of the water cup 11 under the pressure of the air duct 303.

[0077] This utility model also provides a dishwasher 100 according to an embodiment.

[0078] Combination Figures 1 to 14 In some embodiments, the dishwasher 100 further includes a washing device 13 and a diversion valve 20. The washing device 13 includes a washing pump 131. The diversion valve 20 is connected to an air blowing device 30, the washing pump 131, a water cup 11, and a drain device 12, respectively. The diversion valve 20 controls the on / off connection between the air blowing device 30, the washing pump 131, the water cup 11, and the drain device 12. The airflow delivered by the air blowing device 30, after reaching the diversion valve 20, can be directed to the washing pump 131, the water cup 11, and / or the drain device 12 according to the selection of the diversion valve 20. This allows the airflow delivered by the air blowing device 30 to dry the washing pump 131, the water cup 11, and / or the drain device 12, thereby achieving whole-machine drying of the dishwasher 100 and further improving the efficiency and effect of drying the dishwasher 100 using airflow. Furthermore, by setting the diversion valve 20 to change the airflow direction, the control of the dishwasher 100 can be simplified.

[0079] like Figures 5 to 10The dishwasher 100 also includes: a main body 10, a diversion valve 20, and an air blowing device 30. The main body 10 is used for storing and washing dishes, the air blowing device 30 is used for supplying air into the main body 10, and the diversion valve 20 is used for switching the air intake direction of the air blowing device 30.

[0080] The main body 10 of the device includes a water cup 11, a drain device 12, and a washing device 13. The water cup 11 is used to collect and store water. For example, at the start of washing, washing water is introduced into the water cup 11 so that the washing pump 131 can draw water from the water cup 11 for the dishwasher 100 to clean the dishes. During washing, the washing water falls into the water cup 11 after cleaning the dishes in the washing chamber. After washing is completed or when drainage is needed during washing, the washing water is stored in the water cup 11 and can be drained from the water cup 11 using the drain outlet. The drain device 12 is connected to the water cup 11, allowing the water in the water cup 11 to be drained. The drain device 12 can be configured as a suction drain; specifically, water can be drawn from the drain outlet using the drain device 12 and then discharged from the water cup 11. The washing device 13 is used to clean tableware and other items stored in the washing chamber. The washing device 13 can be connected to the water cup 11. When it is necessary to clean tableware, the washing device 13 can send water from the water cup 11 to the washing chamber and clean the tableware and other items in the washing chamber by rinsing or other means.

[0081] The diversion valve 20 has an air inlet 208 and multiple air outlets. The diversion valve 20 controls the connection and disconnection of the air inlet 208 and the multiple air outlets. The air outlets are connected to at least one of the water cup 11, the drain device 12, and the washing device 13. The air blowing device 30 is connected to the air inlet 208. The air blowing device 30 can deliver air to the air inlet 208. The diversion valve 20 can control the airflow, thereby switching the airflow direction and controlling the on / off of the airflow, so as to achieve airflow control.

[0082] According to the present invention, the dishwasher 100 can adjust the airflow direction of the air blowing device 30 by using the diversion valve 20, thereby achieving air drying of different parts of the dishwasher 100. This can reduce the possibility of bacterial growth inside the dishwasher 100 leading to odors, thus ensuring the washing effect of the dishwasher 100. In addition, when it is necessary to use the dishwasher 100 to store tableware, the air blowing can be used to dry different parts inside the dishwasher 100, which can improve the storage effect of tableware and extend the storage time of tableware.

[0083] The diversion valve 20 has a first connected state. In the first connected state, the air blowing device 30 is connected to the drain device 12, and the air blowing device 30 is disconnected from the water cup 11 and the washing pump 131.

[0084] The diversion valve 20 also has a second connected state, in which the air blowing device 30 is connected to the drain device 12 and the water cup 11, and the air blowing device 30 is disconnected from the washing pump 131.

[0085] The diversion valve 20 also has a third connected state, in which the air blowing device 30 is connected to the washing pump 131, and the air blowing device 30 is disconnected from the water cup 11 and the drain device 12.

[0086] The diversion valve 20 also has a shut-off state, in which the air blowing device 30 is disconnected from the drain device 12, the water cup 11 and the washing device 13, while the water cup 11 is connected to the washing pump 131.

[0087] In the first connected state, the airflow delivered by the air blowing device 30 can be sent to the drainage device 12 to dry the drainage device 12; in the second connected state, the airflow delivered by the air blowing device 30 can be sent to the drainage device 12 and the water cup 11 to facilitate the use of the drainage device 12.

[0088] like Figure 14 and Figure 7 In some embodiments, the air outlet includes a first outlet 201, a second outlet 202, and a third outlet 203. The first outlet 201 is connected to the drain device 12, the second outlet 202 is connected to the water cup 11, and the third outlet 203 is connected to the washing device 13. The diversion valve 20 can switch the direction of airflow. It can connect the air inlet 208 to at least one of the first outlet 201, the second outlet 202, and the third outlet 203, or it can isolate the air inlet 208 from all three outlets. By providing multiple outlets, the direction of airflow can be easily controlled, facilitating the drying of different areas of the dishwasher 100 and improving the overall drying effect of the dishwasher 100.

[0089] like Figure 14 and Figure 7 In some embodiments, the diversion valve 20 has multiple connected states. In the connected state, the diversion valve 20 controls at least one of the first outlet 201, the second outlet 202, and the third outlet 203 to open and connect to the air inlet 208. This allows control of the airflow direction to optimize the air-blowing drying effect on the dishwasher 100, thereby improving the drying efficiency and effectiveness of the dishwasher 100.

[0090] The diversion valve 20 in this invention can have multiple connection states. For example, it can include controlling the air inlet 208 to connect to the first outlet 201; controlling the air inlet 208 to connect to the second outlet 202; controlling the air inlet 208 to connect to the third outlet 203; controlling the air inlet 208 to connect to the first outlet 201 and the second outlet 202; controlling the air inlet 208 to connect to the first outlet 201 and the third outlet 203; controlling the air inlet 208 to connect to the second outlet 202 and the third outlet 203; controlling the air inlet 208 to connect to the first outlet 201, the second outlet 202, and the third outlet 203, etc. Of course, the diversion valve 20 in this invention does not necessarily need to have all of these states. In order to simplify the control of the diversion valve 20 and simplify its structure, the diversion valve 20 in this invention may only include a part of the above-mentioned connection states.

[0091] In some embodiments of this utility model, such as Figure 10 The system includes multiple connection states, including a first connection state in which the first outlet 201 is opened and the second outlet 202 and the third outlet 203 are closed. In the first connection state, the first outlet 201 is open, and the airflow can be sent to the drainage device 12 after passing through the diversion valve 20, thus drying the drainage device 12. Since the drainage device 12 may contain a large amount of water, introducing air into the drainage device 12 separately can increase the air pressure of the airflow sent to the drainage device 12, thereby improving the drainage effect of the drainage device 12.

[0092] like Figure 11 The multiple connection states also include a second connection state, in which the first outlet 201 and the second outlet 202 are opened and the third outlet 203 is closed. In the second connection state, the first outlet 201 and the second outlet 202 are open, and the airflow can be sent to the drain device 12 and the water cup 11 after passing through the diversion valve 20, so as to dry the drain device 12 and the water cup 11. During the air-blowing drying process of the water cup 11, a portion of the airflow is sent to the drain device 12. During the drying process of the water cup 11, the high-humidity airflow inside the water cup 11 can be sent to the drain device 12, and the airflow entering the drain device 12 blows away the moisture, thereby effectively improving the air-blowing drying effect on the water cup 11 and the drain device 12.

[0093] like Figure 12The multiple connection states also include a third connection state, in which the third outlet 203 is opened and the first outlet 201 and the second outlet 202 are closed. In the third connection state, the third outlet 203 is open, and the airflow can be sent to the washing device 13 after passing through the diversion valve 20, so as to dry the washing device 13. During the air-blowing drying process of the washing device 13, since the washing device 13 has multiple components to be dried, including the washing pump 131 and the spray arm, individually introducing airflow into the washing device 13 can improve the drying effect of the washing device 13.

[0094] In addition, such as Figure 13 The diversion valve 20 also has a shut-off state, in which the air inlet 208 and the first outlet 201 are closed, and the second outlet 202 and the third outlet 203 are opened. At this time, the air inlet 208 is closed, and the airflow delivered by the blowing device 30 is difficult to enter the diversion valve 20. Moreover, the fluid flowing in the diversion valve 20 is also difficult to enter the blowing device 30 from the air inlet 208. However, when the second outlet 202 and the third outlet 203 are connected, the fluid in the water cup 11 can be sent to the washing device 13 through the diversion valve 20. In this way, when the dishwasher 100 is cleaning dishes, the washing device 13 can use the water in the water cup 11 to clean the dishes, etc., thereby simplifying the control of the diversion valve 20 and enabling the dishwasher 100 to operate more stably and conveniently.

[0095] In some embodiments, the diversion valve 20 includes a housing 21 and an air distribution member 22, with a first outlet 201, a second outlet 202, and a third outlet 203 disposed on the housing 21. The air distribution member 22 is rotatably disposed on the housing 21 along its circumference, and is configured to control the opening of at least one of the first outlet 201, the second outlet 202, and the third outlet 203 by rotation. This simplifies the structure of the diversion valve 20, improves the stability and safety of its operation, and enables timely and rapid switching of airflow direction.

[0096] Optionally, the shell 21 is further provided with a sealing section 204, and the first outlet 201, the second outlet 202, the third outlet 203 and the sealing section 204 are distributed along the circumference of the shell 21. This allows the airflow direction to be controlled by the air distribution component 22, simplifies the structure of the heat exchange device, and improves the operational stability of the heat exchange device.

[0097] Among them, combined Figures 9 to 14 In some examples, the first outlet 201, the second outlet 202, the third outlet 203, and the closure 204 are sequentially distributed along the circumference of the housing 21. The air distribution element 22 can be configured to simultaneously block two adjacent outlets.

[0098] In conjunction with the foregoing embodiments, the aforementioned first connected state, second connected state, third connected state, and cut-off state can be quickly achieved. In the first connected state, the air distributor 22 can block the second outlet 202 and the third outlet 203, at which time the first outlet 201 is open; in the second state, when the air distributor 22 rotates, it blocks the third outlet 203 and the sealing part 204, at which time the first outlet 201 and the second outlet 202 are open; in the third connected state, the air distributor 22 blocks the first outlet 201 and the second outlet 202, and the third outlet 203 is open; in the cut-off state, the air distributor 22 blocks the first outlet 201 and the sealing part 204, and the second outlet 202 and the third outlet 203 are open.

[0099] It can be seen that the air distribution component 22 blocks adjacent parts each time, so that the air distribution component 22 can be set as a continuous plate structure. Of course, the air distribution component 22 can also be set as multiple discontinuous plate structures, etc.

[0100] In other examples, the second outlet 202, the first outlet 201, the third outlet 203, and the closure 204 are distributed sequentially along the circumference of the housing 21; or, the first outlet 201, the second outlet 202, the third outlet 203, and the closure 204 are distributed at equal intervals along the circumference of the housing 21.

[0101] like Figures 8 to 14 In some embodiments, the air distribution component 22 includes a baffle 221, which is movable circumferentially along the housing 21 to close and open the first outlet 201, the second outlet 202, and the third outlet 203. The movement of the baffle 221 can be used to switch the flow divider valve 20 between different connection states, simplifying the structure of the flow divider valve 20 and enabling rapid switching between different connection states.

[0102] The baffle 221 is designed as a sheet that extends continuously along the circumference of the housing 21, thereby improving the structural strength of the baffle 221 and facilitating the switching of the state of the diversion valve 20. Of course, the baffle 221 in this invention can also be provided as multiple discontinuous sheets. For example, in some examples, the baffle 221 has a first sheet portion and a second sheet portion distributed along the circumference of the housing 21.

[0103] As described above, the baffle 221 enables the diversion valve 20 to switch between the first connected state, the second connected state, and the third connected state. When the diversion valve 20 needs to switch between the connected state and the closed state, it is necessary to block and open the air inlet 208. Therefore, in some embodiments of this utility model, the air distribution component 22 also includes a baffle 222, which is connected to the baffle 221. The baffle 221 is used to open and close the air inlet 208. In the aforementioned first connected state, second connected state, and third connected state, the baffle 221 can be in the state where the air inlet 208 is open. The air inlet 208 can be set at a position offset from the rotation center axis of the air distribution component 22, and a corresponding hollow structure can be provided on the baffle 222 to achieve communication between the air inlet 208 and the inner cavity of the housing 21. Moreover, when the baffle 221 moves to block the first outlet 201 and the closing part 204, the baffle 222 is set to close the air inlet 208.

[0104] In some embodiments of this utility model, the diversion valve 20 is connected to the pipeline between the water cup 11 and the washing device 13. In conjunction with the foregoing embodiments, the diversion valve 20 has multiple connected and disconnected states. In the disconnected state, the diversion valve 20 can connect the water cup 11 and the washing device 13, thus connecting them. By connecting the diversion valve 20 between the water cup 11 and the washing device 13, the diversion valve 20 can act as a channel between the water cup 11 and the washing device 13, meeting the washing requirements. This reduces changes to the structure of the dishwasher 100, thus maintaining the stability of the dishwasher 100.

[0105] Optionally, the washing device 13 includes a washing pump 131, a water distribution valve 132, and a rinsing assembly 133. The water distribution valve 132 is connected to the outlet of the washing pump 131; the rinsing assembly 133 is connected to the water distribution valve 132 and is used to spray a medium into the washing chamber. A diversion valve 20 is located between the washing pump 131 and the water cup 11. The air outlet includes a second outlet 202 and a third outlet 203. The second outlet 202 is connected to the water cup 11, and the third outlet 203 is connected to the washing pump 131. This fully satisfies the requirement of connecting the water cup 11 to the washing pump 131 during normal washing, and also meets the requirement of drying using the air blowing device 30, simplifying the structure of the dishwasher 100 and optimizing its performance.

[0106] Some specific embodiments of this utility model are described below with reference to the accompanying drawings.

[0107] Combination Figures 1 to 14The diversion valve 20 in this utility model may include a housing, an air distribution component 22, a sealing cover and a drive shaft. The air distribution component 22 may include a baffle 221 and a baffle plate 222. When the drive shaft rotates, it can drive the air distribution block to rotate. The air distribution block is set inside the housing and can block the first outlet 201, the second outlet 202 and the third outlet 203 on the housing accordingly.

[0108] Optionally, the baffle 222 has a perforated structure, and the end plate of the outer shell has an air inlet 208. During the rotation of the air distributor, when the perforated structure of the baffle 222 aligns with the air inlet 208, the circuit is open; otherwise, if the perforated structure of the baffle 222 is misaligned with the air inlet 208, the circuit is closed. The air distributor can have several states during rotation.

[0109] State 1, i.e. the aforementioned first connected state: the hollow structure is connected to the air inlet 208, and the air distribution block blocks the second outlet 202 and the third outlet 203. At this time, the air inlet 208 is connected to the first outlet 201, or in other words, the air inlet 208 is connected to the drainage device 12, and the air pressure discharges the residual water in the drainage device 12 through the drain outlet via the air duct.

[0110] State 2, also known as the second connected state mentioned above: the air distributor and the baffle hole are connected, and the air distributor blocks pipe 3. At this time, the air inlet is connected to pipe 1 and pipe 2.

[0111] Gas can enter the diversion valve 20 through the air inlet, and the hollow structure is connected to the air inlet 208, allowing airflow to reach the bottom of the water cup 11. After the dishwasher 100 finishes its operation, a certain amount of residual water remains at the bottom of the water cup 11, which cannot be drained. If stored for a long time, this can lead to bacterial growth and unpleasant odors. This method removes the residual water from the bottom of the water cup 11 by blowing gas towards the drain device 12, then activating the drain pump to drain most of the water, and continuing to introduce gas into the water cup 11, simultaneously drying the bottom of the water cup 11, the cylindrical filter screen, and the cup handle.

[0112] State 3, the aforementioned third connected state: the hollow structure is connected to the air inlet 208, and the air distribution block blocks the first outlet 201 and the second outlet 202. At this time, the air inlet is connected to the third outlet 203. Through the diversion valve 20, when the dishwasher 100 is in the drying stage, the blowing device directly introduces gas through the air inlet 208. This gas can be hot gas, which aids in drying. The gas enters the washing pump 131 directly through the diversion valve 20, and then reaches the top spray arm 1331, the middle spray arm 1332, and the lower spray arm 1333 through internal pipes. The top spray arm 1331, the middle spray arm 1332, and the lower spray arm 1333 are equipped with drive holes. Under the action of airflow, the drive holes can drive the spray arms to rotate. Simultaneously, gas is ejected from the nozzles on the spray arms, directly spraying onto the tableware and blowing away water droplets. At this time, the rotating spray arms can evenly spray gas onto the tableware from all directions. By maintaining the airflow for a certain period of time, the gas can dry the tableware and remove any residual water inside the pipes. This significantly reduces drying time and improves the drying effect.

[0113] State 4, i.e. the aforementioned medium state: the hollow structure is disconnected from the air inlet 208, the air inlet 208 is closed, and the air distribution component 22 blocks the first outlet 201. At this time, the second outlet 202 and the second outlet 202 are connected.

[0114] Use case: This diversion valve 20 is used for the air drying function of the dishwasher 100. When the dishwasher 100 is working normally, the water flow will pass through the diversion valve 20. The diversion valve 20 does not need to introduce gas. It only needs to connect the second outlet 202 and the third outlet 203 so that the machine can wash normally and water will not enter the air inlet 208, as in state 4.

[0115] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0116] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0117] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0118] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0119] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0120] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A water cup assembly, characterized in that, include: A water cup (11) having a water storage cavity (1101) and a drain outlet (1102) connected to the water storage cavity (1101); A drainage device (12) is connected to the drain outlet (1102); An air blowing device (30) is provided, the air blowing port (301) of which is connected to the drainage device (12). The air blowing device (30) blows air into the drainage device (12) through the air blowing port (301) to discharge the water in the drainage device (12) by means of air pressure.

2. The water cup assembly according to claim 1, characterized in that, The air inlet (301) is located upstream of the drainage device (12).

3. The water cup assembly according to claim 1, characterized in that, The water cup assembly also includes an air duct (303) that connects the air blowing device (30) and the air blowing port (301). The air duct (303) is integrated into the water cup (11); or the air duct (303) and the water cup (11) are configured as separate structures; or the air duct (303) is located at the lower part of the water cup (11) and is distributed horizontally alongside the lower space of the water storage cavity.

4. The water cup assembly according to claim 3, characterized in that, The water cup (11) also has an air inlet (302) and a water outlet (1105). The two ends of the air duct (303) are respectively connected to the air inlet (302) and the air blowing port (301). The water outlet (1105) is used to connect to the washing pump (131). The air inlet (302) and the water outlet (1105) are located on the same side of the water cup (11).

5. The water cup assembly according to claim 1, characterized in that, The air blowing device (30) includes a fan (31) and an air inlet pipe (32). One end of the air inlet pipe (32) is connected to the fan (31), and the other end blows air toward the drainage device (12). The fan (31) is an axial flow fan.

6. The water cup assembly according to any one of claims 1-5, characterized in that, The water cup assembly also includes: A check valve (112) is connected to the water cup (11) and has a first position and a second position. Wherein, in the first position, the check plate (112) closes the drain outlet (1102), and in the second position, the check plate (112) opens the drain outlet (1102); and / or, in the first position, the check plate (112) opens the air inlet (301), and in the second position, the check plate (112) closes the air inlet (301).

7. The water cup assembly according to claim 6, characterized in that, The water cup (11) also includes a drain channel (1103) and a connecting port (1104). One end of the drain channel (1103) is connected to the drain outlet (1102), and the other end is connected to the connecting port (1104). The air blowing port (301) is provided on the side wall of the drain channel (1103). The check plate (112) is rotatably disposed in the drain channel (1103). The check plate (112) switches between the first position and the second position by rotation.

8. The water cup assembly according to claim 7, characterized in that, The air inlet (301) and the drain outlet (1102) are arranged adjacent to each other and have an included angle, and the check plate (112) is rotatably disposed between the air inlet (301) and the drain outlet (1102).

9. The water cup assembly according to claim 7, characterized in that, The check valve (112) includes a rotating shaft and a lever. The rotating shaft is connected to the water cup (11), and the lever is connected to the rotating shaft and can rotate around the rotating shaft between the first position and the second position.

10. The water cup assembly according to claim 6, characterized in that, The check valve (112) is configured as an elastic element connected to the water cup (11), and the elastic element switches between the first position and the second position by elastic deformation.

11. The water cup assembly according to claim 9, characterized in that, The drain outlet (1102) is designed as an arc extending circumferentially along the water storage cavity (1101), and the shape of the check plate (112) is adapted to the shape of the drain outlet (1102).

12. A dishwasher, characterized in that, include: The inner liner is provided with a washing chamber; The water cup assembly according to any one of claims 1-11, wherein the water cup (11) is connected to the washing chamber.

13. The dishwasher according to claim 12, characterized in that, The dishwasher (100) also includes: Washing device (13), the washing device (13) includes a washing pump (131); Diverter valve (20) is connected to the air blowing device (30), the washing pump (131), the water cup (11) and the drain device (12) respectively. The diverter valve (20) controls the on / off connection between the air blowing device (30), the washing pump (131), the water cup (11) and the drain device (12).

14. The dishwasher according to claim 13, characterized in that, The diversion valve (20) has a first connected state, in which the air blowing device (30) is connected to the drain device (12); And / or, the diversion valve (20) also has a second connected state in which the air blowing device (30) is connected to the drain device (12) and the water cup (11); And / or, the diversion valve (20) also has a third connected state in which the air blowing device (30) is connected to the washing pump (131); And / or, the diversion valve (20) also has a shut-off state in which the air blowing device (30) is disconnected from the drain device (12), the water cup (11) and the washing device (13), and the water cup (11) is connected to the washing pump (131).

15. The dishwasher according to claim 14, characterized in that, The diversion valve (20) has an air inlet (208) and a first outlet (201), a second outlet (202) and a third outlet (203). The diversion valve (20) is located between the water cup (11) and the washing pump (131). The first outlet (201) is connected to the drain device (12), the second outlet (202) is connected to the water cup (11), and the third outlet (203) is connected to the inlet of the washing pump (131).

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