Dish washing device

Abstract

The invention relates to a dish washing device which comprises an inner container, a dish washing device body and a dish washing device body. The flow guiding device comprises a shell assembly and a valve, the shell assembly is provided with a liquid passing cavity, a water inlet, a first water outlet channel and a second water outlet channel, the water inlet, the first water outlet channel and the second water outlet channel are communicated with the liquid passing cavity, and the valve is rotatably arranged in the liquid passing cavity and is configured to be capable of adjusting the flow ratio of liquid flowing from the liquid passing cavity to the first water outlet channel and the second water outlet channel; the lower gushing arm assembly comprises a gushing arm body and a rotating part, the gushing arm body is arranged in the inner container, the rotating part is rotatably arranged on the shell assembly, the water inlet end of the rotating part communicates with the liquid passing cavity through a first water outlet channel, and the water outlet end of the rotating part extends into the inner container through the first mounting opening to be connected with the gushing arm body; and the driving device is arranged on the shell assembly, and the driving device is in driving connection with the rotating part, so that the lower spraying arm assembly can rotate relative to the inner container.

Description

Technical Field

[0001] The present invention relates to the technical field of household appliances, and particularly to a dishwashing device. Background Art

[0002] At present, the lower spray arms of dishwashers in China are mainly divided into two driving methods. One is to utilize the reaction force of water to make the lower spray arm spin for dishwashing, and the other is to use electric drive to achieve rapid rotary spraying. The advantage of using electric drive for the lower spray arm is that the rotation of the lower spray arm can be controlled by a driving motor, thereby improving the overall washing performance. However, in order to improve the airtightness of the device and prevent the motor from getting water, most of the currently available electric-driven lower spray arms cannot be disassembled by users themselves. When the spray arm holes are blocked, users cannot clean them by themselves, resulting in difficult maintenance. Therefore, most of the current dishwashers still adopt the former driving method, with poor washing efficiency and unable to well meet the cleaning requirements of users.

[0003] In addition, the water distribution valves of current dishwashers are usually integrated in the water cup to supply water to different spray arms, which also leads to a larger volume of the water cup, increasing the single water consumption of the dishwasher and causing certain resource waste. Summary of the Invention

[0004] Based on this, in view of the problem that most of the currently available electric-driven lower spray arms cannot be disassembled by users themselves, resulting in difficult cleaning and maintenance, it is necessary to provide a dishwashing device.

[0005] A dishwashing device includes: an inner container, a first installation opening is provided on the bottom wall of the inner container; a diversion device, the diversion device includes a housing assembly and a valve, at least part of the housing assembly is arranged outside the bottom of the inner container, the housing assembly is provided with a liquid passing cavity and a water inlet, a first water outlet channel and a second water outlet channel respectively communicating with the liquid passing cavity, the valve is rotatably arranged in the liquid passing cavity, and the valve is configured to be able to adjust the liquid flow ratio flowing from the liquid passing cavity to the first water outlet channel and the second water outlet channel respectively; a lower spray arm assembly, the lower spray arm assembly includes a spray arm body and a rotating part, the spray arm body is arranged in the inner container, the rotating part is rotatably arranged on the housing assembly, the water inlet end of the rotating part is communicated with the liquid passing cavity through the first water outlet channel, and the water outlet end of the rotating part extends into the inner container through the first installation opening and is connected with the spray arm body; a driving device, the driving device is arranged on the housing assembly, and the driving device is drivingly connected with the rotating part so that the lower spray arm assembly can rotate relative to the inner container.

[0006] The present application provides a dishwashing device. A water distribution system is provided at the bottom of the inner tank for supplying water to the spray arms in the inner tank. The water distribution system is provided with a valve. By rotating the valve, the liquid in the liquid passing cavity can be respectively guided to the first water outlet channel or the second water outlet channel for output according to the required flow rate, so as to supply the spray arms at different positions. At the same time, the lower spray arm assembly is rotatably arranged on the housing assembly through a rotating part, and a driving device is provided on the housing assembly for driving connection with the rotating part. The driving device can drive the rotating part to rotate, so that the rotation condition of the lower spray arm assembly can be controlled by a driving motor, improving the overall washing performance. When the user needs to disassemble the lower spray arm for cleaning and maintenance, the lower spray arm can be directly separated from the rotating part, or the rotating part can be exposed by disassembling the housing assembly to achieve the removal of the lower spray arm. It is convenient for the user to disassemble the lower spray arm by himself on the premise of meeting the electric drive of the lower spray arm, thereby improving the user experience and reducing the maintenance cost. In addition, the water distribution system can be independently arranged outside the water cup. Compared with the common design of integrating the water distribution system in the water cup, it can avoid the problem that the single water consumption of the dishwasher increases due to the large volume of the water cup in the integrated design, thereby further improving the washing performance of the dishwasher.

[0007] In one embodiment, the housing assembly is provided with a third water outlet channel communicating with the liquid passing cavity, and the valve is configured to be able to adjust the liquid flow rate ratio flowing from the liquid passing cavity to the first water outlet channel, the second water outlet channel and the third water outlet channel respectively.

[0008] In one embodiment, the liquid passing cavity is cylindrical, the peripheral wall of the liquid passing cavity is provided with a first liquid passing port communicating with the first water outlet channel and a second liquid passing port communicating with the second water outlet channel, the valve is arc-shaped, and the valve is configured to be able to slide and abut against the peripheral wall of the liquid passing cavity when rotating, so as to respectively adjust the conduction areas of the first liquid passing port and the second liquid passing port. By adopting the above structure, when the valve rotates, it will slide along the peripheral wall of the cylindrical liquid passing cavity, so that the first liquid passing port and the second liquid passing port are all or partially closed, thereby realizing the flow rate adjustment function, with a simple structure and convenient assembly.

[0009] In one embodiment, the first liquid passing port and the second liquid passing port are arranged on the same side. This is beneficial to reducing the volume of the valve and shortening the adjustment time.

[0010] In one embodiment, the flow guiding device further includes a second driving motor. The housing assembly is provided with a second mounting opening communicating with the liquid passing cavity. The second mounting opening is coaxially arranged with the liquid passing cavity. The second driving motor is adaptively mounted with the second mounting opening. The output end of the second driving motor extends into the liquid passing cavity and is drivingly connected with the valve. By adopting the above structure, the housing assembly is provided with a second driving motor for drivingly connecting with the valve, so that the rotation of the valve can be controlled by the second driving motor, and the overall washing performance can be improved.

[0011] In one embodiment, the flow guiding device further includes a first sealing ring. The first sealing ring is sleeved on the outer peripheral wall of the second driving motor. The first sealing ring is used for sealing the gap between the second driving motor and the second mounting opening. Through the arrangement of the first sealing ring, the connection gap between the second driving motor and the second mounting opening can be well sealed, effectively preventing the liquid in the liquid passing cavity from leaking through the second mounting opening.

[0012] In one embodiment, the second driving motor is provided with a first connecting hole, and the housing assembly is provided with a second connecting hole. The first connecting hole and the second connecting hole are connected by fasteners to cooperate in connecting the second driving motor and the housing assembly. By adopting the above connection structure, the assembly and disassembly of the second driving motor and the housing assembly can be facilitated. The fasteners can generate a large dispersive force with the hole wall, making the connection part more stable and tight, thus facilitating the sealed connection between the second driving motor and the housing assembly.

[0013] In one embodiment, the rotating part includes a rotating shaft body and a limiting part. The limiting part is arranged on the outer side wall of the rotating shaft body. The housing assembly includes a mounting main body and a connecting cover plate. The connecting cover plate is detachably arranged on the outside of the mounting main body. The mounting main body is provided with the liquid passing cavity, the water inlet and the first water outlet channel. The connecting cover plate is provided with a through hole opposite to the water outlet of the first water outlet channel. The rotating shaft body is rotatably arranged at the water outlet. The water inlet end of the rotating shaft body communicates with the liquid passing cavity through the first water outlet channel. The water outlet end of the rotating shaft body passes through the first mounting opening and the through hole and is connected with the spray arm body. The top wall of the limiting part abuts against the connecting cover plate. By providing a detachably connected mounting main body and connecting cover plate, when the rotating shaft body is installed at the water outlet of the first water outlet channel on the mounting main body, the limiting part on the outer wall of the rotating shaft body can be limited by the cooperation between the connecting cover plate and the mounting main body. The connecting cover plate abuts against the top of the limiting part to limit the movement of the spray arm in the height direction, so as to ensure that the lower spray arm assembly will not become loose and fall off when it is impacted by the water flow from the mounting housing.

[0014] In one embodiment, the limiting portion is annular and sleeved on the outer side of the rotating shaft body.

[0015] In one embodiment, the bottom wall of the inner container is clamped between the connecting cover plate and the mounting body. By adopting the above structure, the cooperation of the connecting cover plate and the mounting body can enable the housing assembly to be stably arranged at the bottom of the inner container, and the mounting body and the connecting cover plate are detachably connected, which is convenient for the user to disassemble and clean.

[0016] In one embodiment, a second sealing ring is further included, and the second sealing ring is used to seal the connection gap between the bottom wall of the inner container and the mounting body and / or the connecting cover plate. Through the arrangement of the second sealing ring, the connection gap between the bottom wall of the inner container and the mounting body and / or the connecting cover plate can be well sealed, effectively preventing the liquid in the inner container from leaking through the mounting opening.

[0017] In one embodiment, the mounting body is provided with a third connecting hole, and the connecting cover plate is provided with a fourth connecting hole. The third connecting hole and the fourth connecting hole are connected by a fastener to cooperate with the mounting body and the connecting cover plate. By adopting the above connection structure, the assembly and disassembly of the connecting cover plate and the mounting body can be facilitated. The fastener can generate a large dispersive force with the hole wall, making the connection part more stable and tight, thereby facilitating the sealed connection of the connecting cover plate, the bottom wall of the inner container and the mounting body.

[0018] In one embodiment, the connecting cover plate and the mounting body enclose to form the second water outlet channel, and the connecting cover plate forms the water outlet end of the second water outlet channel, and the water outlet end is located in the inner container. By adopting the above structure, the water outlet end of the second water outlet channel can be led into the inner container to be connected with the middle spray arm or the top spray arm or the back area washing. Compared with the water outlet end of the second water outlet channel being arranged outside the inner container, it can be beneficial to reduce the inconvenience caused by water leakage at the connection part.

[0019] In one embodiment, the second water outlet channel is communicated with the middle spray arm or the top spray arm or the back area washing, etc.

[0020] In one embodiment, an installation platform is formed on one side of the housing assembly close to the inner tank. The installation platform is provided with an outlet of the first water outlet channel. The rotating part is rotatably arranged at the outlet. The driving device includes a first driving motor and a gear assembly. The gear assembly is rotatably arranged on the installation platform. The input end of the gear assembly is in transmission connection with the output shaft of the first driving motor. A rack is formed on the outer peripheral wall of the rotating part. The rack extends along the rotation direction of the rotating part and meshes with the output end of the gear assembly. By adopting the above structure, a gear assembly is fixedly arranged on the output shaft of the first driving motor, and the other end of the gear assembly is simultaneously meshed and connected with the rack on the outer wall of the rotating part. Thus, when the first driving motor drives the gear assembly to rotate, the gear assembly will cooperate with the rack to drive the rotating part and the spray arm body to rotate around their axes. The gear transmission structure is compact, suitable for short-distance transmission and adjustment of the rotation direction, which can greatly facilitate the designers to reasonably arrange the installation of the first driving motor and the rotating part.

[0021] In one embodiment, the rack is arranged on the outer peripheral wall of the rotating shaft body or the limiting part.

[0022] In one embodiment, an annular groove is formed on one side of the rotating part away from the installation opening. A limiting ring is formed on one side of the installation platform close to the inner tank. The inner wall of the limiting ring forms the outlet of the first water outlet channel. The limiting ring is adaptively installed with the annular groove. By adopting the above structure, without affecting the rotation of the rotating part, the cooperation of the annular groove and the limiting ring can limit the rotating part, which helps the quick positioning and installation of the rotating part, ensures that the rack of the rotating part can be smoothly meshed and connected with the gear assembly, and when the rotating part is inserted into the outlet of the first water outlet channel, the limiting ring is simultaneously adaptively installed with the annular groove at the bottom of the rotating part, which can improve the sealing performance at the connection between the rotating part and the outlet of the first water outlet channel and prevent the liquid in the housing assembly from leaking through the connection.

[0023] In one embodiment, the mounting table is provided with a shaft hole. The first driving motor is arranged on the side of the mounting table away from the inner tank. The output shaft of the first driving motor passes through the shaft hole and is in transmission connection with the input end of the gear assembly. The driving device further includes a third sealing ring, which is sleeved on the output shaft of the first driving motor and is used to seal the gap between the output shaft of the first driving motor and the shaft hole. By adopting the above structure, the first driving motor is arranged on the side of the mounting table away from the inner tank. On the one hand, it realizes the reasonable arrangement of the first driving motor, which is beneficial to shortening the distance between the water outlet of the first water outlet channel and the mounting opening and reducing the length of the rotating part. On the other hand, the mounting table can separate the inner tank and the first driving motor, reducing the possibility of the first driving motor getting into the water. Moreover, the gap between the output shaft of the first driving motor and the shaft hole of the mounting table is well sealed by the third sealing ring. With this structure, it not only ensures that the first driving motor can drive the gear assembly to rotate on the mounting table to realize the transmission of the rotating part, but also effectively realizes leakage prevention, thereby improving the rotation efficiency and use safety of the lower spray arm assembly.

[0024] In one embodiment, the mounting table is provided with a connecting column, which is used to fix the first driving motor. By using the connecting column, the installation of the first driving motor can be more flexible, so that the output shaft of the first driving motor can be stably arranged and not easily loosened when assembled with the shaft hole of the mounting table.

[0025] In one embodiment, the gear assembly includes an input gear and an output gear. The input gear and the output gear are respectively arranged on the mounting table. The input gear is sleeved on the output shaft of the first driving motor. The input gear is in transmission connection with the output gear, and the output gear is meshed with the rack. The gear transmission has a compact structure, is suitable for short-distance transmission, has high transmission efficiency, reliable operation and long service life.

[0026] In one embodiment, it further includes a positioning shaft, which is arranged on the mounting table. The output gear is rotationally connected to the mounting table through the positioning shaft.

[0027] In one embodiment, it further includes a position detection component, which is used to obtain the rotation position of the lower spray arm assembly. By detecting the rotation position of the lower spray arm assembly, it is convenient for the first driving motor to cooperate to realize the precise control of the forward and reverse rotation of the lower spray arm, so as to better realize the enhanced washing of specific areas.

[0028] In one embodiment, the position detection component includes a first detection ring and a tactile switch. The first detection ring is sleeved outside the output shaft of the first driving motor. A plurality of detection contacts for triggering the tactile switch are formed by protrusions on the outer peripheral wall of the first detection ring. The plurality of detection contacts are spaced apart along the rotation direction of the output shaft of the first driving motor, and the stroke between any one of the detection contacts and the adjacent two detection contacts is different. By adopting the above structure, when the output shaft of the first driving motor rotates, it will drive the first detection ring to rotate synchronously relative to the tactile switch. When the detection contact on the first detection ring touches the detection end of the tactile switch, the tactile switch can be triggered. Thus, the two detection contacts corresponding to the stroke can be determined by the time values of two consecutive triggers, and the rotation positions of the corresponding output shaft of the first driving motor and the lower spray arm assembly can be further analyzed and obtained.

[0029] In one embodiment, the position detection component includes a second detection ring and a photoelectric coupler. The second detection ring is sleeved outside the output shaft of the first driving motor. A plurality of protrusions and a plurality of notches are formed on the outer peripheral wall of the second detection ring. The plurality of protrusions and the plurality of notches are alternately distributed one by one along the rotation direction of the output shaft of the first driving motor. The plurality of protrusions are used to block the light emitted by the photoelectric coupler, and the plurality of notches are used to pass the light emitted by the photoelectric coupler. The widths of at least two of the protrusions are different from each other and / or the widths of at least two of the notches are different from each other. By arranging the photoelectric coupler to emit and receive light sources, when the output shaft of the first driving motor rotates, it will drive the second detection ring to rotate synchronously relative to the photoelectric coupler. When the protrusion on the second detection ring rotates to the detection position of the photoelectric coupler, the light is blocked until it rotates to the notch where the light passes through again. Thus, the photoelectric coupler is triggered to generate a signal and record it by the blocking or conduction of the light path. The two protrusions or two notches corresponding to the stroke can be determined by judging the time values of two consecutive triggers, and the rotation positions of the corresponding output shaft of the first driving motor and the lower spray arm assembly can be further analyzed and obtained.

[0030] In one embodiment, the spray arm body and the rotating part are integrally formed. This can help improve the connection strength, reduce the number of components, and simplify the installation steps. When the user needs to disassemble the lower spray arm assembly, the rotating part can be exposed by disassembling the connection cover plate to achieve the disassembly of the lower spray arm assembly.

[0031] In one embodiment, the connection cover plate includes a first plate body and a second plate body. The first plate body and the second plate body are respectively detachably arranged outside the installation main body, and the first plate body and the second plate body cooperate to form the through hole.

[0032] In one embodiment, the spray arm body is connected to the rotating part by at least one of snap connection, threading or bolts. The quick loading and unloading between the spray arm body and the rotating part can be realized, which provides convenience for the user to clean and maintain the spray arm body, thereby improving the user experience and reducing the maintenance cost.

[0033] In one embodiment, a connecting part for connecting with the rotating part is formed at the bottom of the spray arm body.

[0034] In one embodiment, a limiting step is formed by the convex outer peripheral wall of one of the rotating part and the connecting part, and a connecting ear is formed on the other of the rotating part and the connecting part. The connecting ear is configured to be able to be buckled with the limiting step to limit the movement of the spray arm body in the direction away from the first water outlet channel. By respectively providing the matching limiting step and connecting ear on the rotating part and the connecting part, the quick connection and separation of the spray arm body and the rotating part can be realized, and when the spray arm body is buckled on the limiting step of the rotating part through the connecting ear, the connecting ear will be in abutting fit with the limiting step to limit the movement of the spray arm body in the height direction, so as to ensure that the spray arm body will not become loose and fall off when it is impacted by the water flow from the installation shell.

[0035] In one embodiment, the limiting step is formed on the peripheral wall of the rotating part. The connecting part includes a connecting shaft and the connecting ear. The connecting shaft communicates with the liquid passing cavity through the rotating part. The connecting ear includes a connecting arm and an abutting part. One end of the connecting arm is connected to the outer peripheral wall of the connecting shaft, and the other end of the connecting arm extends downward to be connected to the abutting part. The abutting part abuts against the bottom wall of the limiting step to limit the movement of the spray arm body in the direction away from the first water outlet channel. By adopting the above structure, when the spray arm body is buckled on the limiting step of the rotating part through the connecting ear, the abutting part will be in abutting fit with the bottom wall of the limiting step to limit the movement of the spray arm body in the height direction, so as to ensure that the spray arm body will not become loose and fall off when it is impacted by the water flow from the installation shell.

[0036] In one embodiment, the connecting ear and the outer peripheral wall of the connecting shaft cooperate to form a limiting groove, and one end of the rotating part away from the housing assembly extends into the limiting groove and abuts against the bottom wall of the limiting groove. By adopting the above structure, the abutting of the rotating part against the bottom wall of the limiting groove can provide stable support for the installation of the spray arm body.

[0037] In one embodiment, the connecting shaft is inserted into the rotating part, and the connecting part further includes a fourth sealing ring sleeved on the outer peripheral wall of the connecting shaft for sealing the connection gap between the connecting shaft and the rotating part. Through the arrangement of the fourth sealing ring, the connection gap between the connecting shaft and the rotating part can be well sealed, effectively preventing the liquid entering the rotating part from leaking through the connection gap between the two.

[0038] In one embodiment, one of the connecting shaft and the rotating part is formed with a rib, and the other of the connecting shaft and the rotating part is provided with a clamping groove, and the rib is adaptively installed with the clamping groove. By adopting the above structure, the cooperation between the rib and the clamping groove can form a restriction on the self-rotation of the spray arm body, avoiding the self-rotation of the spray arm body due to the reaction force of water, and ensuring that the spray arm body and the rotating part rotate synchronously.

[0039] In one embodiment, the number of the clamping grooves is at least two, and at least two clamping grooves are arranged at intervals along the circumferential direction of the rotating part, and the number of the ribs is the same as that of the clamping grooves and is arranged in one-to-one correspondence.

[0040] In one embodiment, the number of the connecting ears is at least two, and at least two connecting ears are arranged at intervals along the circumferential direction of the rotating part and are alternately distributed with at least two ribs. Description of the Drawings

[0041] Figure 1 An exploded view of a cleaning device according to an embodiment;

[0042] Figure 2 A partial structural view of a cleaning device according to an embodiment;

[0043] Figure 3 A first installation schematic diagram of a housing assembly and a rotating part according to an embodiment;

[0044] Figure 4 A second installation schematic diagram of a housing assembly and a rotating part according to an embodiment;

[0045] Figure 5 An exploded view of a diversion device according to an embodiment;

[0046] Figure 6 A first installation schematic diagram of a driving device and a rotating part according to an embodiment;

[0047] Figure 7 A second installation schematic diagram of a driving device and a rotating part according to an embodiment;

[0048] Figure 8 A first structural schematic diagram of a position detection component according to an embodiment;

[0049] Figure 9 It is a second structural schematic diagram of a position detection component of an embodiment;

[0050] Figure 10 It is a first installation schematic diagram of a lower spray arm and a rotating part of an embodiment;

[0051] Figure 11 It is a second installation schematic diagram of a lower spray arm and a rotating part of an embodiment.

[0052] Among them, the corresponding relationship between the reference numerals and the component names is as follows:

[0053] 1 Inner tank, 101 First installation port;

[0054] 2 Flow guiding device, 201 Liquid passing cavity, 202 Water inlet, 203 First water outlet channel, 2031 Water outlet, 204 Second water outlet channel, 205 First liquid passing port, 206 Second liquid passing port, 207 Second installation port, 208 Third connection hole, 209 Fourth connection hole, 210 Shaft hole, 21 Housing assembly, 211 Installation main body, 2111 Installation table, 21111 Limit ring, 2112 Connection column, 2113 Positioning shaft, 212 Connection cover plate, 22 Valve, 23 Second driving motor, 24 First sealing ring;

[0055] 3 Lower spray arm assembly, 301 Annular groove, 302 Limit groove, 303 Card slot, 31 Spray arm body, 311 Connection part, 3111 Connection shaft, 3112 Connection ear, 31121 Connection arm, 31122 Abutting part, 3113 Fourth sealing ring, 3114 Rib, 32 Rotating part, 321 Rotating shaft body, 322 Limiting part, 323 Rack, 324 Limiting step;

[0056] 4 Driving device, 41 First driving motor, 42 Gear assembly, 421 Input gear, 422 Output gear, 43 Third sealing ring;

[0057] 5 Second sealing ring;

[0058] 6 Position detection component, 61 First detection ring, 62 Tactile switch, 63 Second detection ring, 64 Optocoupler. Specific embodiments

[0059] In order to be able to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0060] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention may be practiced in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited by the specific embodiments disclosed below.

[0061] The following describes some embodiments of the dishwashing device of the present invention with reference to the accompanying drawings.

[0062] As Figures 1 to 11 shown, this embodiment discloses a dishwashing device, including: an inner container 1, and a first mounting opening 101 is provided on the bottom wall of the inner container 1; a diversion device 2, the diversion device 2 includes a housing assembly 21 and a valve 22, at least part of the housing assembly 21 is disposed outside the bottom of the inner container 1, the housing assembly 21 is provided with a liquid passing cavity 201, a water inlet 202, a first water outlet channel 203 and a second water outlet channel 204 that are respectively connected to the liquid passing cavity 201, the valve 22 is rotatably disposed in the liquid passing cavity 201, and the valve 22 is configured to be able to adjust the liquid flow ratio flowing from the liquid passing cavity 201 to the first water outlet channel 203 and the second water outlet channel 204 respectively; a lower spray arm assembly 3, the lower spray arm assembly 3 includes a spray arm body 31 and a rotating part 32, the spray arm body 31 is disposed in the inner container 1, the rotating part 32 is rotatably disposed on the housing assembly 21, the water inlet end of the rotating part 32 is communicated with the liquid passing cavity 201 through the first water outlet channel 203, and the water outlet end of the rotating part 32 extends into the inner container 1 through the first mounting opening 101 and is connected to the spray arm body 31; a driving device 4, the driving device 4 is disposed on the housing assembly 21, and the driving device 4 is drivingly connected to the rotating part 32 so that the lower spray arm assembly 3 can rotate relative to the inner container 1.

[0063] The present application provides a dishwashing device. A water distribution system is provided at the bottom of the inner tank 1 for supplying water to the spray arms in the inner tank 1. The water distribution system is provided with a valve 22. By rotating the valve 22, the liquid in the liquid passing cavity 201 can be respectively guided to the first water outlet channel 203 or the second water outlet channel 204 for output according to the required flow rate, so as to supply the spray arms at different positions. At the same time, the lower spray arm assembly 3 is rotatably arranged on the housing assembly 21 through a rotating part 32. A driving device 4 is provided on the housing assembly 21 for driving connection with the rotating part 32. The driving device 4 can drive the rotating part 32 to rotate, so that the rotation condition of the lower spray arm assembly 3 can be controlled by the driving motor, improving the overall washing performance. When the user needs to disassemble the lower spray arm for cleaning and maintenance, the lower spray arm can be directly separated from the rotating part 32, or the rotating part 32 can be exposed by disassembling the housing assembly 21 to realize the removal of the lower spray arm. It is convenient for the user to disassemble the lower spray arm by himself on the premise of satisfying the electric drive of the lower spray arm, thereby improving the user experience and reducing the maintenance cost. In addition, the water distribution system can be independently arranged outside the water cup. Compared with the common design of integrating the water distribution system in the water cup, it can avoid the problem that the large volume of the water cup in the integrated design leads to an increase in the single water consumption of the dishwasher, thereby further improving the washing performance of the dishwasher.

[0064] In addition to the features of the above embodiments, the present embodiment further defines that: the housing assembly 21 is provided with a third water outlet channel communicating with the liquid passing cavity 201, and the valve 22 is configured to be able to adjust the liquid flow ratio flowing from the liquid passing cavity 201 to the first water outlet channel 203, the second water outlet channel 204 and the third water outlet channel respectively.

[0065] As Figure 3 and Figure 5 As shown, in addition to the features of the above embodiments, the present embodiment further defines that: the liquid passing cavity 201 is cylindrical. The peripheral wall of the liquid passing cavity 201 is provided with a first liquid passing port 205 communicating with the first water outlet channel 203 and a second liquid passing port 206 communicating with the second water outlet channel 204. The valve 22 is arc-shaped and is configured to be able to slidably abut against the peripheral wall of the liquid passing cavity 201 when rotating, so as to respectively adjust the conduction areas of the first liquid passing port 205 and the second liquid passing port 206. By adopting the above structure, when the valve 22 rotates, it will slide along the peripheral wall of the cylindrical liquid passing cavity 201, so that the first liquid passing port 205 and the second liquid passing port 206 are all or partially closed, thereby realizing the flow rate adjustment function. The structure is simple and convenient for assembly.

[0066] As Figure 3 shown, in addition to the features of the above embodiments, the present embodiment further defines that: the first liquid passing port 205 and the second liquid passing port 206 are arranged on the same side. This is beneficial to reducing the volume of the valve 22 and shortening the adjustment time.

[0067] As Figure 3 andFigure 5 As shown, in addition to the features of the above embodiments, this embodiment further defines that the diversion device 2 further includes a second driving motor 23. The housing assembly 21 is provided with a second mounting port 207 communicating with the liquid passing cavity 201. The second mounting port 207 is coaxially arranged with the liquid passing cavity 201. The second driving motor 23 is adaptively mounted with the second mounting port 207. The output end of the second driving motor 23 extends into the liquid passing cavity 201 and is drivingly connected to the valve 22. By adopting the above structure, the housing assembly 21 is provided with a second driving motor 23 for drivingly connecting with the valve 22. Thus, the rotation of the valve 22 can be controlled by the second driving motor 23, improving the overall washing performance.

[0068] As Figure 5 shown, in addition to the features of the above embodiments, this embodiment further defines that the diversion device 2 further includes a first sealing ring 24. The first sealing ring 24 is sleeved on the outer peripheral wall of the second driving motor 23. The first sealing ring 24 is used for sealing the gap between the second driving motor 23 and the second mounting port 207. Through the arrangement of the first sealing ring 24, the connection gap between the second driving motor 23 and the second mounting port 207 can be well sealed, effectively preventing the liquid in the liquid passing cavity 201 from leaking through the second mounting port 207.

[0069] As Figure 5 shown, in addition to the features of the above embodiments, this embodiment further defines that the second driving motor 23 is provided with a first connection hole, and the housing assembly 21 is provided with a second connection hole. The first connection hole and the second connection hole are cooperatively connected by fasteners to connect the second driving motor 23 and the housing assembly 21. By adopting the above connection structure, the assembly and disassembly of the second driving motor 23 and the housing assembly 21 can be facilitated. The fasteners can generate a large dispersive force with the hole wall, making the connection part 311 more stable and tight. Thus, it is beneficial to the sealed connection between the second driving motor 23 and the housing assembly 21.

[0070] As Figure 3 and Figure 4As shown, in addition to the features of the above embodiments, this embodiment further defines that: the rotating part 32 includes a rotating shaft body 321 and a limiting part 322. The limiting part 322 is arranged on the outer side wall of the rotating shaft body 321. The housing assembly 21 includes a mounting main body 211 and a connecting cover plate 212. The connecting cover plate 212 is detachably arranged on the outer side of the mounting main body 211. The mounting main body 211 is provided with a liquid passing cavity 201, a water inlet 202 and a first water outlet channel 203. The connecting cover plate 212 is provided with a through hole opposite to the water outlet 2031 of the first water outlet channel 203. The rotating shaft body 321 is rotatably arranged at the water outlet 2031. The water inlet end of the rotating shaft body 321 is communicated with the liquid passing cavity 201 through the first water outlet channel 203. The water outlet end of the rotating shaft body 321 passes through the first mounting opening 101 and the through hole to be connected with the spray arm body 31. The top wall of the limiting part 322 abuts against the connecting cover plate 212. By providing the detachably connected mounting main body 211 and the connecting cover plate 212, when the rotating shaft body 321 is installed at the water outlet 2031 of the first water outlet channel 203 on the mounting main body 211, the cooperation between the connecting cover plate 212 and the mounting main body 211 can be used to limit the limiting part 322 on the outer wall of the rotating shaft body 321. The connecting cover plate 212 abuts against the top of the limiting part 322 to limit the movement of the spray arm in the height direction, so as to ensure that the lower spray arm assembly 3 will not become loose and fall off when it is impacted by the water flow from the installation housing.

[0071] In addition to the features of the above embodiments, this embodiment further defines that: the limiting part 322 is annular, and the limiting part 322 is sleeved on the outer side of the rotating shaft body 321.

[0072] As Figure 1 shown, in addition to the features of the above embodiments, this embodiment further defines that: the bottom wall of the inner tank 1 is clamped between the connecting cover plate 212 and the mounting main body 211. By adopting the above structure, the cooperation between the connecting cover plate 212 and the mounting main body 211 can make the housing assembly 21 be stably arranged at the bottom of the inner tank 1, and the mounting main body 211 and the connecting cover plate 212 are detachably connected, which is convenient for the user to disassemble and clean.

[0073] As Figure 6 and Figure 7 shown, in addition to the features of the above embodiments, this embodiment further defines that: it further includes a second sealing ring 5. The second sealing ring 5 is used to seal the connection gap between the bottom wall of the inner tank 1 and the mounting main body 211 and / or the connecting cover plate 212. Through the arrangement of the second sealing ring 5, the connection gap between the bottom wall of the inner tank 1 and the mounting main body 211 and / or the connecting cover plate 212 can be well sealed, effectively preventing the liquid in the inner tank 1 from leaking through the mounting opening.

[0074] As Figure 4 and Figure 6As shown, in addition to the features of the above embodiments, this embodiment further defines that: the installation main body 211 is provided with a third connection hole 208, and the connection cover plate 212 is provided with a fourth connection hole 209. The third connection hole 208 and the fourth connection hole 209 are connected by fasteners to cooperate in connecting the installation main body 211 and the connection cover plate 212. By adopting the above connection structure, the assembly and disassembly of the connection cover plate 212 and the installation main body 211 can be facilitated. The fasteners can generate a large dispersive force with the hole wall, so that the connection part 311 is more stable and tight, which is beneficial to the sealed connection of the connection cover plate 212, the bottom wall of the inner tank 1 and the installation main body 211.

[0075] As Figure 3 and Figure 4 shown, in addition to the features of the above embodiments, this embodiment further defines that: the connection cover plate 212 and the installation main body 211 enclose to form a second water outlet channel 204. The connection cover plate 212 forms a water outlet end of the second water outlet channel 204, and the water outlet end is located in the inner tank 1. By adopting the above structure, the water outlet end of the second water outlet channel 204 can be led into the inner tank 1 to be connected with the middle spray arm or the top spray arm or the back area wash. Compared with the water outlet end of the second water outlet channel 204 being arranged outside the inner tank 1, it is beneficial to reduce the inconvenience caused by water leakage at the connection part 311.

[0076] In addition to the features of the above embodiments, this embodiment further defines that: the second water outlet channel 204 is communicated with the middle spray arm or the top spray arm or the back area wash, etc.

[0077] As Figure 6 and Figure 7 shown, in addition to the features of the above embodiments, this embodiment further defines that: on one side of the housing assembly 21 close to the inner tank 1, an installation table 2111 is formed. The installation table 2111 is provided with a water outlet 2031 of the first water outlet channel 203. The rotating part 32 is rotatably arranged at the water outlet 2031. The driving device 4 includes a first driving motor 41 and a gear assembly 42. The gear assembly 42 is rotatably arranged on the installation table 2111. The input end of the gear assembly 42 is in transmission connection with the output shaft of the first driving motor 41. A rack 323 is formed on the outer peripheral wall of the rotating part 32. The rack 323 extends along the rotating direction of the rotating part 32 and meshes with the output end of the gear assembly 42. By adopting the above structure, a gear assembly 42 is fixedly arranged on the output shaft of the first driving motor 41, and the other end of the gear assembly 42 is simultaneously meshed and connected with the rack 323 on the outer wall of the rotating part 32. Thus, when the first driving motor 41 drives the gear assembly 42 to rotate, the gear assembly 42 will cooperate with the rack 323 to drive the rotating part 32 and the spray arm body 31 to rotate around their axes. The gear transmission structure is compact, suitable for short-distance transmission and adjustment of the rotation direction, which can greatly facilitate the reasonable arrangement of the installation of the first driving motor 41 and the rotating part 32 by designers.

[0078] As Figure 6 and Figure 7 shown, in addition to the features of the above embodiments, this embodiment further defines that: the rack 323 is disposed on the outer peripheral wall of the rotating shaft body 321 or the limiting portion 322.

[0079] As Figure 3 and Figure 7 shown, in addition to the features of the above embodiments, this embodiment further defines that: an annular groove 301 is formed on one side of the rotating portion 32 away from the mounting opening, a limiting ring 21111 is formed on one side of the mounting table 2111 close to the inner tank 1, a water outlet 2031 of the first water outlet passage 203 is formed on the inner wall of the limiting ring 21111, and the limiting ring 21111 is adaptively mounted with the annular groove 301. By adopting the above structure, without affecting the rotation of the rotating portion 32, the cooperation of the annular groove 301 and the limiting ring 21111 can limit the rotating portion 32, which helps the quick positioning and installation of the rotating portion 32, ensures that the rack 323 of the rotating portion 32 can be smoothly engaged with the gear assembly 42, and when the rotating portion 32 is inserted into the water outlet 2031 of the first water outlet passage 203, the limiting ring 21111 is simultaneously adaptively mounted with the annular groove 301 at the bottom of the rotating portion 32, which can improve the sealing performance at the connection between the rotating portion 32 and the water outlet 2031 of the first water outlet passage 203 and prevent the liquid in the housing assembly 21 from leaking through the connection.

[0080] As Figure 7 shown, in addition to the features of the above embodiments, this embodiment further defines that: the mounting table 2111 is provided with a shaft hole 210, the first driving motor 41 is disposed on one side of the mounting table 2111 away from the inner tank 1, an output shaft of the first driving motor 41 passes through the shaft hole 210 and is in transmission connection with an input end of the gear assembly 42, the driving device 4 further includes a third sealing ring 43, the third sealing ring 43 is sleeved on the output shaft of the first driving motor 41, and the third sealing ring 43 is used for sealing a gap between the output shaft of the first driving motor 41 and the shaft hole 210. By adopting the above structure, the first driving motor 41 is disposed on one side of the mounting table 2111 away from the inner tank 1. On the one hand, it realizes the reasonable arrangement of the first driving motor 41, which is beneficial to shortening the distance between the water outlet 2031 of the first water outlet passage 203 and the mounting opening and reducing the length of the rotating portion 32. On the other hand, the mounting table 2111 can separate the inner tank 1 and the first driving motor 41, reducing the possibility of the first driving motor 41 entering the water, and the gap between the output shaft of the first driving motor 41 and the shaft hole 210 of the mounting table 2111 is well sealed by the third sealing ring 43. With this structure, it not only ensures that the first driving motor 41 can drive the gear assembly 42 to rotate on the mounting table 2111 to realize the transmission of the rotating portion 32, but also effectively realizes leak prevention, thereby improving the rotation efficiency and use safety of the lower spray arm assembly 3.

[0081] As Figure 6 and Figure 7 shown, in addition to the features of the above embodiments, this embodiment further defines that: a connecting column 2112 is provided on the mounting table 2111, and the connecting column 2112 is used to fix the first driving motor 41. By providing the connecting column 2112, the installation of the first driving motor 41 can be made more flexible, so that when the output shaft of the first driving motor 41 is assembled with the shaft hole 210 of the mounting table 2111, it can be stably arranged and not easily loosened.

[0082] As Figure 6 and Figure 7 shown, in addition to the features of the above embodiments, this embodiment further defines that: the gear assembly 42 includes an input gear 421 and an output gear 422. The input gear 421 and the output gear 422 are respectively arranged on the mounting table 2111. The input gear 421 is sleeved on the output shaft of the first driving motor 41. The input gear 421 is in transmission connection with the output gear 422, and the output gear 422 is meshed with the rack 323. The gear drive has a compact structure, is suitable for short-distance transmission, has high transmission efficiency, reliable operation, and long service life.

[0083] As Figure 6 and Figure 7 shown, in addition to the features of the above embodiments, this embodiment further defines that: it further includes a positioning shaft 2113. The positioning shaft 2113 is arranged on the mounting table 2111, and the output gear 422 is rotatably connected to the mounting table 2111 through the positioning shaft 2113.

[0084] As Figure 2 shown, in addition to the features of the above embodiments, this embodiment further defines that: it further includes a position detection component 6. The position detection component 6 is used to obtain the rotational position of the lower spray arm assembly 3. By detecting and knowing the rotational position of the lower spray arm assembly 3, it is convenient for the first driving motor 41 to cooperate to achieve precise control of the forward and reverse rotation of the lower spray arm, so as to better achieve enhanced washing in a specific area.

[0085] As Figure 8As shown, in addition to the features of the above embodiments, this embodiment further defines that the position detection component 6 includes a first detection ring 61 and a touch switch 62. The first detection ring 61 is sleeved outside the output shaft of the first driving motor 41. A plurality of detection contacts for triggering the touch switch 62 are formed by protrusions on the outer peripheral wall of the first detection ring 61. The plurality of detection contacts are spaced apart along the rotation direction of the output shaft of the first driving motor 41, and the travel between any one detection contact and the adjacent two detection contacts is different. By adopting the above structure, when the output shaft of the first driving motor 41 rotates, it will drive the first detection ring 61 to rotate synchronously relative to the touch switch 62. When the detection contact on the first detection ring 61 touches the detection end of the touch switch 62, the touch switch 62 can be triggered. Thus, the two detection contacts corresponding to the travel can be determined by the time values of two consecutive triggers, and the rotation positions of the corresponding output shaft of the first driving motor 41 and the lower spray arm assembly 3 can be further analyzed and obtained.

[0086] As Figure 9 As shown, in addition to the features of the above embodiments, this embodiment further defines that the position detection component 6 includes a second detection ring 63 and an opto-coupler 64. The second detection ring 63 is sleeved outside the output shaft of the first driving motor 41. A plurality of protrusions and a plurality of notches are formed on the outer peripheral wall of the second detection ring 63. The plurality of protrusions and the plurality of notches are alternately distributed one by one along the rotation direction of the output shaft of the first driving motor 41. The plurality of protrusions are used to block the light emitted by the opto-coupler 64, and the plurality of notches are used to pass the light emitted by the opto-coupler 64. The widths of at least two protrusions are different from each other and / or the widths of at least two notches are different from each other. By providing the opto-coupler 64 to emit and receive light sources, when the output shaft of the first driving motor 41 rotates, it will drive the second detection ring 63 to rotate synchronously relative to the opto-coupler 64. When the protrusion on the second detection ring 63 rotates to the detection position of the opto-coupler 64, the light is blocked until it rotates to the notch where the light passes through again. Thus, the opto-coupler 64 is triggered to generate a signal and record it by the blocking or conduction of the light path. Thus, the two protrusions or two notches corresponding to the travel can be determined by judging the time values of two consecutive triggers, and the rotation positions of the corresponding output shaft of the first driving motor 41 and the lower spray arm assembly 3 can be further analyzed and obtained.

[0087] In addition to the features of the above embodiments, this embodiment further defines that the spray arm body 31 and the rotating part 32 are integrally formed. This can help improve the connection strength, reduce the number of components, and simplify the installation steps. When the user needs to disassemble the lower spray arm assembly 3, the rotating part 32 can be exposed by disassembling the connection cover plate 212 to achieve the disassembly of the lower spray arm assembly 3.

[0088] In addition to the features of the above embodiments, this embodiment further defines that the connecting cover plate 212 includes a first plate body and a second plate body, the first plate body and the second plate body are respectively detachably arranged on the outer side of the installation main body 211, and the first plate body and the second plate body cooperate to form a through hole.

[0089] In addition to the features of the above embodiments, this embodiment further defines that the spray arm body 31 and the rotating part 32 are connected by at least one of snap connection, threading or bolts. The quick loading and unloading between the spray arm body 31 and the rotating part 32 can be realized, which provides convenience for the user to clean and maintain the spray arm body 31, thereby improving the user experience and reducing the maintenance cost.

[0090] As Figure 2 shown, in addition to the features of the above embodiments, this embodiment further defines that a connecting part 311 for connecting with the rotating part 32 is formed at the bottom of the spray arm body 31.

[0091] As Figure 10 and Figure 11 shown, in addition to the features of the above embodiments, this embodiment further defines that a limiting step 324 is formed by the convexity of the outer peripheral wall of one of the rotating part 32 and the connecting part 311, and a connecting ear 3112 is formed on the other of the rotating part 32 and the connecting part 311. The connecting ear 3112 is configured to be able to be buckled with the limiting step 324 to limit the movement of the spray arm body 31 in the direction away from the first water outlet channel 203. By respectively arranging the matching limiting step 324 and connecting ear 3112 on the rotating part 32 and the connecting part 311, the quick connection and separation of the spray arm body 31 and the rotating part 32 can be realized, and when the spray arm body 31 is buckled on the limiting step 324 of the rotating part 32 through the connecting ear 3112, the connecting ear 3112 will be in abutting cooperation with the limiting step 324 to limit the movement of the spray arm body 31 in the height direction, so as to ensure that the spray arm body 31 will not become loose and fall off when it is impacted by the water flow from the installation shell.

[0092] As Figure 10 and Figure 11As shown, in addition to the features of the above embodiments, this embodiment further defines that: a limiting step 324 is formed on the peripheral wall of the rotating part 32. The connecting part 311 includes a connecting shaft 3111 and a connecting ear 3112. The connecting shaft 3111 communicates with the liquid cavity 201 through the rotating part 32. The connecting ear 3112 includes a connecting arm 31121 and an abutting part 31122. One end of the connecting arm 31121 is connected to the outer peripheral wall of the connecting shaft 3111, and the other end of the connecting arm 31121 extends downward and is connected to the abutting part 31122. The abutting part 31122 abuts against the bottom wall of the limiting step 324 to limit the movement of the spray arm body 31 away from the first water outlet channel 203. By adopting the above structure, when the spray arm body 31 is buckled on the limiting step 324 of the rotating part 32 through the connecting ear 3112, the abutting part 31122 will abut against the bottom wall of the limiting step 324 to cooperate and limit the movement of the spray arm body 31 in the height direction, so as to ensure that the spray arm body 31 will not become loose and fall off when it is impacted by the water flow from the installation housing.

[0093] As Figure 10 shown, in addition to the features of the above embodiments, this embodiment further defines that: the connecting ear 3112 and the outer peripheral wall of the connecting shaft 3111 cooperate to form a limiting groove 302. One end of the rotating part 32 away from the housing assembly 21 extends into the limiting groove 302 and abuts against the bottom wall of the limiting groove 302. By adopting the above structure, the abutting of the rotating part 32 against the bottom wall of the limiting groove 302 can provide stable support for the installation of the spray arm body 31.

[0094] As Figure 10 shown, in addition to the features of the above embodiments, this embodiment further defines that: the connecting shaft 3111 is inserted into the rotating part 32. The connecting part 311 further includes a fourth sealing ring 3113. The fourth sealing ring 3113 is sleeved on the outer peripheral wall of the connecting shaft 3111. The fourth sealing ring 3113 is used to seal the connection gap between the connecting shaft 3111 and the rotating part 32. Through the arrangement of the fourth sealing ring 3113, the connection gap between the connecting shaft 3111 and the rotating part 32 can be well sealed, effectively preventing the liquid entering the rotating part 32 from leaking through the connection gap between the two.

[0095] As Figure 11 shown, in addition to the features of the above embodiments, this embodiment further defines that: one of the connecting shaft 3111 and the rotating part 32 is formed with a rib 3114, and the other of the connecting shaft 3111 and the rotating part 32 is provided with a clamping groove 303. The rib 3114 is adaptively installed with the clamping groove 303. By adopting the above structure, the cooperation of the rib 3114 and the clamping groove 303 can form a restriction on the self-rotation of the spray arm body 31, avoiding the self-rotation of the spray arm body 31 due to the reaction force of water, and ensuring that the spray arm body 31 and the rotating part 32 rotate synchronously.

[0096] As Figure 11 shown, in addition to the features of the above embodiments, this embodiment further defines that the number of the card slots 303 is at least two, the at least two card slots 303 are arranged at intervals along the circumferential direction of the rotating part 32, and the number of the ribs 3114 is the same as and corresponds to the number of the card slots 303 one by one.

[0097] As Figure 11 shown, in addition to the features of the above embodiments, this embodiment further defines that the number of the connecting lugs 3112 is at least two, the at least two connecting lugs 3112 are arranged at intervals along the circumferential direction of the rotating part 32, and are alternately distributed with the at least two ribs 3114.

[0098] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0099] The above-described embodiments only represent several implementation manners of the present invention. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the invention patent should be subject to the appended claims.

Claims

1. A dishwashing device, characterized in that: include: An inner container (1), wherein a bottom wall of the inner container (1) is provided with a first mounting opening (101); A flow guiding device (2), the flow guiding device (2) comprising a shell component (21) and a valve (22), at least part of the shell component (21) being arranged on the outer side of the bottom of the inner container (1), the shell component (21) being provided with a liquid passage cavity (201) and a water inlet (202), a first water outlet channel (203) and a second water outlet channel (204) respectively connected to the liquid passage cavity (201), the valve (22) being rotatably arranged in the liquid passage cavity (201), and the valve (22) being configured to be able to adjust the flow ratio of liquid flowing from the liquid passage cavity (201) to the first water outlet channel (203) and the second water outlet channel (204) respectively; A lower spray arm assembly (3), the lower spray arm assembly (3) comprising a spray arm body (31) and a rotating part (32), the spray arm body (31) being arranged in the inner container (1), the rotating part (32) being rotatably arranged on the shell assembly (21), the water inlet end of the rotating part (32) being connected to the liquid passage chamber (201) through the first water outlet channel (203), and the water outlet end of the rotating part (32) extending into the inner container (1) through the first installation opening (101) to be connected to the spray arm body (31); A driving device (4), wherein the driving device (4) is arranged on the shell assembly (21), and the driving device (4) is connected to the rotating part (32) so that the lower spray arm assembly (3) can rotate relative to the inner tank (1).

2. The dishwashing device according to claim 1, characterized in that: The liquid passage chamber (201) is cylindrical, and the peripheral wall of the liquid passage chamber (201) is provided with a first liquid passage opening (205) connected to the first water outlet channel (203) and a second liquid passage opening (206) connected to the second water outlet channel (204). The valve (22) is arc-shaped, and the valve (22) is configured to be able to slide and abut against the peripheral wall of the liquid passage chamber (201) when rotating, so as to respectively adjust the conduction areas of the first liquid passage opening (205) and the second liquid passage opening (206).

3. The dishwashing device according to claim 2, characterized in that: The flow guide device (2) further comprises a second drive motor (23); the housing assembly (21) is provided with a second mounting port (207) in communication with the liquid passage chamber (201); the second mounting port (207) is coaxially arranged with the liquid passage chamber (201); the second drive motor (23) is adapted to be mounted on the second mounting port (207); an output end of the second drive motor (23) extends into the liquid passage chamber (201) and is driven and connected to the valve (22).

4. The dishwashing device according to claim 1, characterized in that: The rotating part (32) comprises a rotating shaft body (321) and a limiting part (322), wherein the limiting part (322) is arranged on the outer side wall of the rotating shaft body (321), and the housing assembly (21) comprises a mounting body (211) and a connecting cover plate (212), wherein the connecting cover plate (212) is detachably arranged on the outer side of the mounting body (211), and the mounting body (211) is provided with the liquid passage cavity (201), the water inlet (202) and the first water outlet channel (203), and the connecting cover plate (212) is provided with a connecting cover plate (212). ) is provided with a through hole opposite to the water outlet (2031) of the first water outlet channel (203), the shaft body (321) is rotatably arranged at the water outlet (2031), the water inlet end of the shaft body (321) is connected with the liquid chamber (201) through the first water outlet channel (203), the water outlet end of the shaft body (321) is connected with the spray arm body (31) through the first installation port (101) and the through hole, and the top wall of the limiting portion (322) is against the connecting cover plate (212).

5. The dishwashing device according to claim 4, characterized in that: The bottom wall of the inner container (1) is sandwiched between the connecting cover plate (212) and the mounting body (211); and / or It also includes a second sealing ring (5), the second sealing ring (5) being used to seal the connection gap between the bottom wall of the inner container (1) and the installation body (211) and / or the connection cover plate (212); and / or The installation body (211) is provided with a third connection hole (208), the connection cover plate (212) is provided with a fourth connection hole (209), and the third connection hole (208) and the fourth connection hole (209) are matched to connect the installation body (211) and the connection cover plate (212) via fasteners; and / or The connecting cover plate (212) and the mounting body (211) are combined to form the second water outlet channel (204); the connecting cover plate (212) is formed with a water outlet end of the second water outlet channel (204); and the water outlet end is located in the inner tank (1).

6. The dishwashing device according to claim 1, characterized in that: A mounting platform (2111) is formed on one side of the housing component (21) close to the inner tank (1); the mounting platform (2111) is provided with a water outlet (2031) of the first water outlet channel (203); the rotating part (32) is rotatably arranged at the water outlet (2031); the driving device (4) comprises a first driving motor (41) and a gear component (42); the gear component (42) is rotatably arranged on the mounting platform (2111); the input end of the gear component (42) is drivingly connected to the output shaft of the first driving motor (41); a rack (323) is formed on the outer peripheral wall of the rotating part (32); the rack (323) extends along the rotation direction of the rotating part (32) and meshes with the output end of the gear component (42).

7. The dishwashing device according to claim 6, characterized in that: An annular groove (301) is formed on a side of the rotating portion (32) away from the mounting opening, a limiting ring (21111) is formed on a side of the mounting platform (2111) close to the inner container (1), an inner wall of the limiting ring (21111) forms a water outlet (2031) of the first water outlet channel (203), and the limiting ring (21111) is adapted to be mounted in the annular groove (301); and / or The mounting platform (2111) is provided with an axial hole (210); the first drive motor (41) is arranged on a side of the mounting platform (2111) away from the inner container (1); the output shaft of the first drive motor (41) passes through the axial hole (210) and is transmission-connected to the input end of the gear assembly (42); the drive device (4) further comprises a third sealing ring (43); the third sealing ring (43) is sleeved on the output shaft of the first drive motor (41); the third sealing ring (43) is used to seal a gap between the output shaft of the first drive motor (41) and the axial hole (210); and / or The mounting platform (2111) is provided with a connecting column (2112), and the connecting column (2112) is used to fix the first driving motor (41).

8. The dishwashing device according to claim 6, characterized in that: It also comprises a position detection component (6), wherein the position detection component (6) is used to obtain the rotational position of the lower spray arm component (3).

9. The dishwashing device according to claim 8, characterized in that: The position detection assembly (6) comprises a first detection ring (61) and a touch switch (62), wherein the first detection ring (61) is sleeved on the outside of the output shaft of the first drive motor (41), and a plurality of detection contacts for triggering the touch switch (62) are formed on the outer peripheral wall of the first detection ring (61), wherein the plurality of detection contacts are spaced apart along the rotation direction of the output shaft of the first drive motor (41), and the stroke between any one of the detection contacts and two adjacent detection contacts is different; or The position detection component (6) comprises a second detection ring (63) and a photoelectric coupler (64); the second detection ring (63) is sleeved on the outside of the output shaft of the first drive motor (41); the outer peripheral wall of the second detection ring (63) is formed with a plurality of protrusions and a plurality of notches; the plurality of protrusions and the plurality of notches are alternately distributed along the rotation direction of the output shaft of the first drive motor (41); the plurality of protrusions are used to block the light emitted by the photoelectric coupler (64); the plurality of notches are used to pass the light emitted by the photoelectric coupler (64); the widths of at least two of the protrusions are different from each other and / or the widths of at least two of the notches are different from each other.

10. The dishwashing device according to any one of claims 1 to 9, characterized in that: The spray arm body (31) and the rotating part (32) are integrally formed; or The spray arm body (31) is connected to the rotating part (32) by at least one of a buckle, a thread or a bolt.

Images