Sewage tank assembly, sweeping robot and sweeping robot system

Abstract

The utility model discloses a sewage tank assembly, a sweeping robot and a sweeping robot system. The sewage tank assembly comprises a containing tank and a sewage tank, wherein the containing tank is provided with a containing cavity and a containing cavity water outlet communicated with the containing cavity; and the sewage collecting piece is provided with a collecting cavity, and the collecting cavity is communicated with the accommodating cavity water outlet, so that sewage in the accommodating cavity flows into the collecting cavity through the accommodating cavity water outlet. The sewage tank assembly has the advantages of being more convenient to use, good in use experience and the like.

Description

Technical Field

[0001] This utility model relates to the field of sweeping robots, specifically to a wastewater tank assembly, and also to a sweeping robot and a sweeping robot system having the wastewater tank assembly. Background Technology

[0002] When a robotic vacuum cleaner mops, the wastewater on its roller brush is first collected in a wastewater tank, and then sucked into a wastewater reservoir. Once the robotic vacuum cleaner enters the cleaning station, a pump draws the wastewater from its wastewater tank into the cleaning station's wastewater reservoir. A drawback of this technology is that the wastewater tank easily accumulates dirt, requiring users to clean it regularly. This inconveniences users and negatively impacts the user experience. Utility Model Content

[0003] This invention aims to at least partially solve one of the technical problems in related technologies. To this end, embodiments of this invention provide a wastewater tank assembly, a sweeping robot, and a sweeping robot system.

[0004] The wastewater tank assembly of this utility model includes: a receiving tank having a receiving cavity and a receiving cavity drain outlet communicating with the receiving cavity; and a wastewater collection component having a collection cavity communicating with the receiving cavity drain outlet so that wastewater in the receiving cavity flows into the collection cavity through the receiving cavity drain outlet.

[0005] The wastewater tank assembly of this invention can use the wastewater in the containing chamber to flush the collection chamber, thereby removing dirt and impurities from the collection chamber. This eliminates the need for users to clean the collection chamber periodically, reducing user workload and improving the user experience. It offers advantages such as ease of use and a superior user experience.

[0006] Optionally, the collection chamber is located below the receiving chamber.

[0007] Optionally, the sewage collection device is provided with a collection chamber drain outlet communicating with the collection chamber, so that the sewage in the collection chamber can be discharged through the collection chamber drain outlet.

[0008] Optionally, the wastewater tank assembly further includes a first switch and a second switch, wherein the first switch cooperates with the drain outlet of the receiving cavity to open and close the drain outlet of the receiving cavity, and the second switch cooperates with the drain outlet of the collection cavity to open and close the drain outlet of the collection cavity.

[0009] Optionally, the drain outlet of the receiving cavity is located on the bottom wall surface of the receiving cavity, or the drain outlet of the receiving cavity is located on the side wall surface of the receiving cavity and adjacent to the bottom wall surface of the receiving cavity; or the drain outlet of the collecting cavity is located on the bottom wall surface of the collecting cavity, or the drain outlet of the collecting cavity is located on the side wall surface of the collecting cavity and adjacent to the bottom wall surface of the collecting cavity; or the receiving box further has a sewage inlet, the sewage inlet being connected to both the receiving cavity and the collecting cavity, so that sewage in the collecting cavity enters the receiving cavity through the sewage inlet, wherein the sewage inlet and the drain outlet of the receiving cavity are the same opening or the sewage inlet and the drain outlet of the receiving cavity are different openings.

[0010] Optionally, the first switch is movably disposed between a first open position for opening the drain outlet of the receiving cavity and a first closed position for closing the drain outlet of the receiving cavity, and the second switch is movably disposed between a second open position for opening the drain outlet of the collecting cavity and a second closed position for closing the drain outlet of the collecting cavity.

[0011] Optionally, the first switch and the second switch are linked so that when the second switch moves from the second closed position to the second open position, it drives the first switch to move from the first closed position to the first open position.

[0012] Optionally, the wastewater tank assembly further includes an opening member that cooperates with each of the first and second switches so that when the second switch moves from the second closed position to the second open position, the opening member drives the first switch to move from the first closed position to the first open position.

[0013] Optionally, the first switch is sleeved on the opening member, the lower end of the opening member is located inside the collection cavity, and the lower end of the opening member is adjacent to or abuts against the second switch.

[0014] Optionally, the second switch element in the second closed position engages within the drain outlet of the collecting cavity or abuts against the bottom wall of the collecting cavity. When the second switch element moves from the second closed position to the second open position, at least a portion of the second switch element moves from bottom to top. Similarly, the first switch element in the first closed position engages within the drain outlet of the receiving cavity or abuts against the bottom wall of the receiving cavity. When the first switch element moves from the first closed position to the first open position, at least a portion of the first switch element moves from bottom to top. The opening element mates with at least a portion of the first switch element and at least a portion of the second switch element. The second switch, located in the second closed position, engages with the drain outlet of the collection chamber or abuts against the lower surface of the sewage collection component. When the second switch moves from the second closed position to the second open position, at least a portion of the second switch moves from top to bottom. The first switch, located in the first closed position, engages with the drain outlet of the receiving chamber or abuts against the lower surface of the receiving box. When the first switch moves from the first closed position to the first open position, at least a portion of the first switch moves from top to bottom. The opening component engages with at least a portion of the first switch and at least a portion of the second switch.

[0015] Optionally, the second switch is rotatably disposed between the second open position and the second closed position.

[0016] Optionally, the rotation axis of the second switching element extends horizontally, wherein the second switching element includes a first part and a second part, the first part and the second part being located on opposite sides of the rotation axis of the second switching element, and the opening element cooperating with one of the first part and the second part.

[0017] Optionally, the wastewater tank assembly further includes a reset member that cooperates with the first switch member to apply a reset force to the first switch member to move the first switch member toward the first closed position.

[0018] Optionally, the reset element is an elastic element, one end of the reset element is connected to the first switch element, and the other end of the reset element is connected to the receiving tank or the sewage collection element; or the reset element includes a first magnetic element, and the first switch element includes a second magnetic element or a first ferromagnetic element.

[0019] Optionally, both the first switch and the reset member are located within the receiving cavity. The sewage tank assembly further includes a mounting member disposed on the wall of the receiving cavity. The reset member is an elastic member, with its upper end connected to the mounting member and its lower end connected to the first switch, so that the reset member applies a reset force to the first switch.

[0020] Optionally, the first switch includes a cover portion and a first annular portion disposed on the cover portion. When the first switch is in the first closed position, the cover portion abuts against the bottom wall of the receiving cavity to close the drain outlet of the receiving cavity. The first annular portion has a first mounting cavity. The mounting member includes a second annular portion, which has a second mounting cavity. A portion of the reset member is located in the first mounting cavity, and another portion of the reset member is located in the second mounting cavity. The reset member is in a compressed state.

[0021] Optionally, the wastewater tank assembly further includes a wastewater conveying component having a first wastewater conveying channel communicating with each of the receiving cavity and the collecting cavity.

[0022] Optionally, the opening member has the first sewage conveying channel so that the opening member constitutes the sewage conveying member.

[0023] Optionally, the lower port of the first sewage conveying channel is located at the lower end of the opening member, and the upper port of the first sewage conveying channel is located inside the receiving cavity.

[0024] Optionally, the wastewater tank assembly further includes an elastic buffer member disposed on the opening member, the lower end of the elastic buffer member being adjacent to or abutting against the second switching member, wherein the elastic buffer member has a second wastewater conveying channel, the second wastewater conveying channel being connected to the first wastewater conveying channel.

[0025] Optionally, the elastic buffer includes: a vertical annular portion sleeved on the opening member; a horizontal annular portion adjacent to or abutting the second switching member; and an arc-shaped transition portion, the upper end of which is connected to the vertical annular portion, and the lower end of which is connected to the horizontal annular portion.

[0026] Optionally, the wastewater tank assembly further includes a filter element sandwiched between the lower end of the elastic buffer and the second switch element, wherein the filter element has a filter mesh that communicates with the second wastewater conveying channel.

[0027] Optionally, a filter element is provided at the end of the first sewage conveying channel near the collection chamber.

[0028] Optionally, the filter element includes: a plate having the filter mesh, the lower end of the elastic buffer abutting against the upper surface of the plate; and a convex ring disposed on the lower surface of the plate and abutting against the upper surface of the second switch, wherein the convex ring has a third sewage conveying channel communicating with the filter mesh.

[0029] Optionally, the second switch is provided with a seal, and when the second switch closes the drain outlet of the collection chamber, the seal abuts against the wall of the drain outlet of the collection chamber.

[0030] Optionally, the wall of the receiving cavity is provided with an air extraction port.

[0031] The sweeping robot of this utility model includes: a wastewater tank assembly, wherein the wastewater tank assembly is the wastewater tank assembly described in this utility model.

[0032] Accordingly, the sweeping robot of this invention can use the wastewater in the receiving cavity to flush the collection cavity, so as to use the wastewater to remove dirt and impurities from the collection cavity. This eliminates the need for users to clean the collection cavity regularly, thereby reducing the user's workload, improving the user experience, and offering the advantages of being easier to use and providing a better user experience.

[0033] The sweeping robot system of this utility model includes: a wastewater tank assembly, which is the wastewater tank assembly described in this utility model; and a cleaning base station, which cooperates with the collection chamber of the wastewater tank assembly so that the wastewater in the receiving chamber of the wastewater tank assembly flows through the collection chamber and enters the cleaning base station.

[0034] Accordingly, the sweeping robot system of this invention can use the wastewater in the receiving cavity to flush the collection cavity, so as to use the wastewater to remove dirt and impurities from the collection cavity. This eliminates the need for users to clean the collection cavity regularly, thereby reducing user workload, improving the user experience, and offering advantages such as greater ease of use and a better user experience.

[0035] Optionally, the cleaning base station includes a drive unit that can cooperate with a second switch of the sewage tank assembly to drive the second switch from a second closed position to a second open position.

[0036] Optionally, the driving part includes a protrusion; or the driving part includes a third magnetic element, and the second switching element includes a fourth magnetic element or a second ferromagnetic element. Attached Figure Description

[0037] Figure 1 This is a partial structural schematic diagram of a sewage tank assembly according to an embodiment of the present utility model;

[0038] Figure 2 This is a partial cross-sectional view of a sewage tank assembly according to an embodiment of the present utility model;

[0039] Figure 3 This is a partial structural schematic diagram of a sweeping robot according to an embodiment of the present utility model;

[0040] Figure 4 This is a partial usage diagram of the sewage tank assembly according to an embodiment of the present utility model;

[0041] Figure 5 This is a partial structural schematic diagram of a sewage tank assembly according to an embodiment of the present utility model;

[0042] Figure 6 This is a partial structural schematic diagram of a sewage tank assembly according to an embodiment of the present utility model;

[0043] Figure 7 This is a structural schematic diagram of the filter element of the sewage tank assembly according to an embodiment of the present utility model. Detailed Implementation

[0044] The embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0045] The wastewater tank assembly 100 according to an embodiment of the present invention is described below with reference to the accompanying drawings. Figures 1-7 As shown, the sewage tank assembly 100 according to an embodiment of the present invention includes a receiving tank 1 and a sewage collection component 2.

[0046] The container 1 has a receiving cavity 11 and a receiving cavity drain outlet 12, which is connected to the receiving cavity 11. The sewage collection device 2 has a collection cavity 21, which is connected to the receiving cavity drain outlet 12, so that sewage in the receiving cavity 11 flows into the collection cavity 21 through the receiving cavity drain outlet 12.

[0047] When cleaning the floor using a robotic vacuum cleaner 1000 including a wastewater tank assembly 100, wastewater on the robotic vacuum cleaner 1000's roller brush 200 is collected into a collection chamber 21. Subsequently, the wastewater in the collection chamber 21 enters a receiving chamber 11.

[0048] After cleaning is completed or the receiving cavity 11 is filled with sewage, the sweeping robot 1000 enters the cleaning base station to drain the sewage from the receiving cavity 11. Specifically, the sewage in the receiving cavity 11 first flows into the collection cavity 21 and then enters the cleaning base station from the collection cavity 21.

[0049] This allows the wastewater in the receiving cavity 11 to flush the collection cavity 21 of the wastewater collection device 2, thus removing dirt and impurities from the collection cavity 21. This eliminates the need for users to regularly clean the collection cavity 21, reducing their workload and improving their user experience.

[0050] Therefore, the sewage tank assembly 100 according to the present utility model has advantages such as ease of use and good user experience.

[0051] This utility model also discloses a sweeping robot system. According to an embodiment of this utility model, the sweeping robot system includes a sweeping robot 1000 and a cleaning base station.

[0052] The robotic vacuum cleaner 1000 includes a wastewater tank assembly 100 and a roller brush 200. The roller brush 200 engages with a collection chamber 21 of the wastewater tank assembly 100 so that wastewater on the roller brush 200 is collected into the collection chamber 21. For example, the roller brush 200 and the collection chamber 21 can engage in a known manner.

[0053] like Figures 1-7 As shown, the wastewater tank assembly 100 according to an embodiment of the present invention includes a receiving tank 1 and a wastewater collection component 2. The receiving tank 1 has a receiving cavity 11 and a receiving cavity drain outlet 12, the receiving cavity drain outlet 12 being connected to the receiving cavity 11. The wastewater collection component 2 has a collection cavity 21 and a collection cavity drain outlet 22, the collection cavity drain outlet 22 being connected to the collection cavity 21.

[0054] The collection chamber 21 is connected to the drain outlet 12 of the receiving chamber, and the cleaning base station cooperates with the collection chamber 21. Thus, the sewage in the receiving chamber 11 flows into the collection chamber 21 through the drain outlet 12 of the receiving chamber, and then the sewage flows out of the collection chamber 21 through the drain outlet 22 of the collection chamber so as to enter the cleaning base station.

[0055] like Figure 2 and Figure 3 As shown, the drain outlet 12 of the receiving cavity is located on the bottom wall surface 111 of the receiving cavity 11. This allows the sewage in the receiving cavity 11 to be drained more fully and thoroughly.

[0056] Optionally, the drain outlet 12 of the receiving cavity is located on the side wall of the receiving cavity 11, and the drain outlet 12 is adjacent to the bottom wall 111 of the receiving cavity 11. That is, the drain outlet 12 of the receiving cavity 11 is located on the side wall of the receiving cavity 11, adjacent to the bottom wall 111 of the receiving cavity 11. This allows the sewage in the receiving cavity 11 to be drained more fully and thoroughly.

[0057] like Figures 3-6As shown, the drain outlet 22 of the collection chamber is located on the bottom wall surface 211 of the collection chamber 21. This allows for a more thorough and complete removal of sewage, dirt, impurities, etc. from the collection chamber 21.

[0058] Optionally, the drain outlet 22 of the collection chamber is located on the side wall of the collection chamber 21, adjacent to the bottom wall 211 of the collection chamber 21. That is, the drain outlet 22 of the collection chamber is located on the side wall of the collection chamber 21, adjacent to the bottom wall 211 of the collection chamber 21. This allows for a more thorough and complete removal of sewage, dirt, impurities, etc., from the collection chamber 21.

[0059] like Figure 3 As shown, the collection chamber 21 is located below the receiving chamber 11, so that the collection chamber 21 is below the drain outlet 12 of the receiving chamber. This allows the sewage in the receiving chamber 11 to flow into the collection chamber 21 under its own gravity, thus eliminating the need for components to transport the sewage in the receiving chamber 11 to the collection chamber 21, thereby making the structure of the sewage tank assembly 100 simpler and the manufacturing cost lower.

[0060] like Figures 2-6 As shown, the wastewater tank assembly 100 also includes a first switch 3 and a second switch 4. The first switch 3 cooperates with the drain outlet 12 of the receiving chamber to open and close the drain outlet 12. The second switch 4 cooperates with the drain outlet 22 of the collection chamber to open and close the drain outlet 22. Thus, the first switch 3 can be used to better control the opening and closing of the drain outlet 12 of the receiving chamber, and the second switch 4 can be used to better control the opening and closing of the drain outlet 22 of the collection chamber.

[0061] The first switch 3 is movably disposed between a first open position where the drain outlet 12 of the receiving cavity is open and a first closed position where the drain outlet 12 of the receiving cavity is closed. The second switch 4 is movably disposed between a second open position where the drain outlet 22 of the collecting cavity is open and a second closed position where the drain outlet 22 of the collecting cavity is closed. This allows the first switch 3 to better open and close the drain outlet 12 of the receiving cavity, and the second switch 4 to better open and close the drain outlet 22 of the collecting cavity.

[0062] For example, a first switch 3 in the first closed position closes the drain outlet 12 of the receiving cavity, and at least a portion of the first switch 3 in the first open position disengages from the drain outlet 12 of the receiving cavity to open the drain outlet 12 of the receiving cavity. A second switch 4 in the second closed position closes the drain outlet 22 of the collecting cavity, and at least a portion of the second switch 4 in the second open position disengages from the drain outlet 22 of the collecting cavity to open the drain outlet 22 of the collecting cavity.

[0063] Optionally, both the receiving cavity drain outlet 12 and the collecting cavity drain outlet 22 are round holes, and both the first switch element 3 and the second switch element 4 are circular flat plates.

[0064] Optionally, the first switch 3 and the second switch 4 are linked so that when the second switch 4 moves from the second closed position to the second open position, it drives the first switch 3 to move from the first closed position to the first open position.

[0065] Therefore, by opening the second switch 4, the first switch 3 can be opened. Under the action of its own gravity, the sewage in the receiving cavity 11 flows out of the receiving cavity 11 through the receiving cavity drain 12 and enters the collecting cavity 21, and then flows out of the collecting cavity 21 through the collecting cavity drain 22.

[0066] Therefore, there is no need to use a pump as a power source to discharge sewage from the sewage tank assembly 100, which not only effectively reduces the manufacturing cost of the sewage tank assembly 100 and the sweeping robot 1000, but also simplifies the structure of the sewage tank assembly 100 and the sweeping robot 1000, reduces the manufacturing difficulty of the sewage tank assembly 100 and the sweeping robot 1000, and avoids the complex assembly structure of the sewage tank assembly 100 and the sweeping robot 1000 due to the installation of a pump.

[0067] like Figures 1-3 As shown, the wastewater tank assembly 100 also includes an opening member 5. The opening member 5 cooperates with each of the first switch member 3 and the second switch member 4 so that when the second switch member 4 moves from the second closed position to the second open position, the opening member 5 drives the first switch member 3 to move from the first closed position to the first open position.

[0068] The cleaning base station includes a drive unit that can cooperate with the second switch 4 of the sewage tank assembly 100 to drive the second switch 4 from a second closed position to a second open position.

[0069] After the robotic vacuum cleaner 1000 enters the cleaning base station, the drive unit of the cleaning base station cooperates with the second switch 4 of the wastewater tank assembly 100. The drive unit drives the second switch 4 from the second closed position to the second open position. Then, the second switch 4 drives the first switch 3 from the first closed position to the first open position through the opening member 5. As a result, the wastewater in the receiving cavity 11 flows out of the receiving cavity 11 through the receiving cavity drain 12 under its own gravity and enters the collecting cavity 21, and then flows out of the collecting cavity 21 through the collecting cavity drain 22 and enters the cleaning base station.

[0070] Therefore, there is no need to use a pump as a power source to discharge sewage from the sewage tank assembly 100, which not only effectively reduces the manufacturing cost of the sewage tank assembly 100 and the sweeping robot 1000, but also simplifies the structure of the sewage tank assembly 100 and the sweeping robot 1000, reduces the manufacturing difficulty of the sewage tank assembly 100 and the sweeping robot 1000, and avoids the complex assembly structure of the sewage tank assembly 100 and the sweeping robot 1000 due to the installation of a pump.

[0071] Therefore, the sewage tank assembly 100 according to the present utility model has the advantages of low manufacturing cost, simple structure and low manufacturing difficulty.

[0072] like Figure 2 and Figure 3 As shown, in one embodiment of this utility model, the second switch 4 in the second closed position is engaged within the drain outlet 22 of the collection chamber, or the second switch 4 in the second closed position abuts against the bottom wall surface 211 of the collection chamber 21. When the second switch 4 moves from the second closed position to the second open position, at least a portion of the second switch 4 moves upward from bottom to top; when the second switch 4 moves from the second open position to the second closed position, the at least a portion of the second switch 4 moves downward from top to bottom to reset.

[0073] The first switch element 3, located in the first closed position, is fitted inside the drain outlet 12 of the receiving cavity, or the first switch element 3, located in the first closed position, abuts against the bottom wall surface 111 of the receiving cavity 11. When the first switch element 3 moves from the first closed position to the first open position, at least a portion of the first switch element 3 moves upward from bottom to top; when the first switch element 3 moves from the first open position to the first closed position, at least a portion of the first switch element 3 moves downward from top to bottom to reset.

[0074] The opening element 5 engages with at least a portion of the first switch element 3 and at least a portion of the second switch element 4. When the driving unit drives the second switch element 4 from the second closed position to the second open position, at least a portion of the second switch element 4 moves upward to open the collection chamber drain outlet 22. Furthermore, the at least a portion of the second switch element 4, through the opening element 5, drives at least a portion of the first switch element 3 to move upward to open the receiving chamber drain outlet 12. This allows for a more rational structure of the wastewater tank assembly 100.

[0075] In another embodiment of this utility model, the second switch 4 in the second closed position is fitted inside the drain outlet 22 of the collection chamber, or the second switch 4 in the second closed position abuts against the lower surface of the sewage collection member 2, that is, the second switch 4 is located outside the collection chamber 21. When the second switch 4 moves from the second closed position to the second open position, at least a portion of the second switch 4 moves from top to bottom; when the second switch 4 moves from the second open position to the second closed position, the at least a portion of the second switch 4 moves from bottom to top to reset.

[0076] The first switch element 3, located in the first closed position, is fitted inside the drain outlet 12 of the receiving cavity, or the first switch element 3, located in the first closed position, abuts against the lower surface of the receiving box 1, i.e., the first switch element 3 is located outside the receiving cavity 11. When the first switch element 3 moves from the first closed position to the first open position, at least a portion of the first switch element 3 moves downwards; when the first switch element 3 moves from the first open position to the first closed position, at least a portion of the first switch element 3 moves upwards to reset.

[0077] The opening member 5 engages with at least a portion of the first switch member 3 and at least a portion of the second switch member 4. When the driving unit drives the second switch member 4 from the second closed position to the second open position, at least a portion of the second switch member 4 moves downward to open the collection chamber drain outlet 22. Furthermore, the at least a portion of the second switch member 4, through the opening member 5, drives at least a portion of the first switch member 3 to move downward to open the receiving chamber drain outlet 12. This allows for a more rational structure of the wastewater tank assembly 100.

[0078] like Figures 4-6 As shown, the second switch 4 is rotatably disposed between the second open position and the second closed position in order to reduce the installation difficulty of the second switch 4 and to better match the second switch 4 with the drain outlet 22 of the collection chamber.

[0079] The rotation axis of the second switch 4 extends horizontally. The second switch 4 includes a first part 42 and a second part 43, which are located on opposite sides of the rotation axis of the second switch 4. The opening member 5 cooperates with one of the first part 42 and the second part 43, and the drive part of the cleaning base station cooperates with that one of the first part 42 and the second part 43.

[0080] Since the first part 42 and the second part 43 are located on both sides of the rotation axis of the second switch 4, when the second switch 4 rotates from the second closed position to the second open position, one of the first part 42 and the second part 43 moves from bottom to top (from top to bottom), and the other of the first part 42 and the second part 43 moves from top to bottom (from bottom to top).

[0081] When the robotic vacuum cleaner 1000 enters the cleaning base station, the drive unit cooperates with one of the first part 42 and the second part 43 to drive the first part 42 and the second part 43 to move from bottom to top (from top to bottom), that is, the drive unit drives the second switch 4 to rotate from the second closed position to the second open position. Furthermore, the first part 42 and the second part 43, through the opening member 5, drives the first switch 3 to move from bottom to top (from top to bottom) to open the drain outlet 12 of the receiving cavity. This makes the structure of the wastewater tank assembly 100 more rational.

[0082] like Figure 4 As shown, the drive unit includes a protrusion 300. When the robotic vacuum cleaner 1000 enters the cleaning base station, the protrusion 300 abuts against at least a portion of the second switch 4 to drive at least a portion of the second switch 4 to move upward from bottom to open the collection chamber drain outlet 22. Then, at least a portion of the second switch 4 drives at least a portion of the first switch 3 to move upward from bottom to open the receiving chamber drain outlet 12 via the opening member 5.

[0083] Furthermore, the drive unit may also include a third magnetic element, and the second switch 4 may include a fourth magnetic element or a second ferromagnetic element. Thus, when the robotic vacuum cleaner 1000 enters the cleaning base station, the drive unit can apply an attractive or repulsive force to the second switch 4, which drives the second switch 4 from the second closed position to the second open position.

[0084] For example, when the robotic vacuum cleaner 1000 enters the cleaning base station, the like poles (unlike poles) of the third and fourth magnetic components are arranged opposite each other in the vertical direction, so that the third magnetic component applies an upward repulsive force (downward attraction force) to the fourth magnetic component. As a result, the third magnetic component (driving part) drives at least a portion of the second switching component 4 to move from bottom to top (from top to bottom) to open the drain outlet 22 of the collection chamber. In turn, the at least a portion of the second switching component 4 drives at least a portion of the first switching component 3 to move from bottom to top (from top to bottom) through the opening component 5 to open the drain outlet 12 of the receiving chamber.

[0085] Accordingly, when the second switch 4 includes the second ferromagnetic element, after the robotic vacuum cleaner 1000 enters the cleaning base station, the third magnetic element applies a downward attractive force to the second ferromagnetic element. This causes the third magnetic element (driving part) to drive at least a portion of the second switch 4 to move downwards to open the collection chamber drain outlet 22. Furthermore, this at least portion of the second switch 4, through the opening element 5, drives at least a portion of the first switch 3 to move downwards to open the receiving chamber drain outlet 12.

[0086] like Figure 3 and Figure 4As shown, the second switch 4, located in the second closed position, engages within the drain outlet 22 of the collection chamber. The second switch 4 is equipped with a sealing element 44, which abuts against the wall of the drain outlet 22 when the second switch 4 closes the drain outlet 22. This improves the sealing performance of the collection chamber 21, preventing wastewater from leaking out from the gap between the second switch 4 and the wall of the drain outlet 22 when the second switch 4 closes the drain outlet 22 (e.g., when the robotic vacuum cleaner 1000 is cleaning the floor).

[0087] Optionally, the seal 44 is a sealing ring, which is disposed on the outer peripheral surface of the second switch 4. When the second switch 4 is in the second closed position, the seal 44 abuts against the wall of the drain outlet 22 of the collection chamber.

[0088] like Figure 3 and Figure 4 As shown, the bottom wall surface 211 of the collection cavity 21 is provided with a stop portion 23. The stop portion 23 is located directly above the other of the first part 42 and the second part 43, and the stop portion 23 is adjacent to the other of the first part 42 and the second part 43 in the vertical direction.

[0089] When the driving unit of the cleaning base station drives one of the first part 42 and the second part 43 to move upward to open the drain outlet 22 of the collection chamber, the other part of the first part 42 and the second part 43 moves downward. By providing a stop part 23 directly above the other part of the first part 42 and the second part 43, it is possible to prevent the other part of the first part 42 and the second part 43 from moving upward due to misoperation, and to prevent one of the first part 42 and the second part 43 from moving downward due to misoperation, thereby preventing the first switch 3 from failing to move from the first closed position to the first open position due to misoperation. (Up and down direction as follows) Figure 2 and Figure 3 As shown by arrow A in the diagram.

[0090] like Figure 5 and Figure 6 As shown, the bottom wall surface 211 of the collection chamber 21 is provided on the first mounting boss 24 and the second mounting boss 25. The second switch 4 is mounted on the first mounting boss 24 via the first mounting shaft 26, and the second switch 4 is mounted on the second mounting boss 25 via the second mounting shaft 27. This makes the structure of the sewage tank assembly 100 more reasonable.

[0091] like Figure 2 and Figure 3As shown, the wastewater tank assembly 100 further includes a reset member 6. The reset member 6 cooperates with the first switch member 3 so that the reset member 6 applies a reset force to the first switch member 3, causing the first switch member 3 to move toward a first closed position. Thus, the reset member 6 can drive the first switch member 3 from a first open position to a first closed position, thereby eliminating the need for the user to manually reset the first switch member 3, further reducing the user's workload and making the wastewater tank assembly 100 and the robot vacuum cleaner 1000 easier to use, thus improving the user experience.

[0092] Optionally, when the first switch 3 moves from the first open position to the first closed position, the opening component 5 drives the second switch 4 from the second open position to the second closed position. This eliminates the need for the user to manually reset the second switch 4, further reducing the user's workload and making the wastewater tank assembly 100 and the sweeping robot 1000 easier to use, thus improving the user experience.

[0093] like Figure 2 and Figure 3 As shown, the reset member 6 is an elastic member (e.g., a spring). One end of the reset member 6 is connected to the first switch member 3, and the other end of the reset member 6 is connected to the receiving tank 1 or the sewage collection member 2.

[0094] Specifically, in one embodiment of the present invention, when the first switch 3 moves from the first open position to the first closed position, at least a portion of the first switch 3 moves from top to bottom to reset; when the second switch 4 moves from the second open position to the second closed position, at least a portion of the second switch 4 moves from top to bottom to reset.

[0095] The upper end of the reset member 6 is connected to the wall of the receiving cavity 11, and the lower end of the reset member 6 is connected to the first switch member 3. When the first switch member 3 is in the first open position, the reset member 6 is in a compressed state so that the reset member 6 applies a reset force to the first switch member 3, and the reset force can move at least a portion of the first switch member 3 from top to bottom to reset.

[0096] Alternatively, the lower end of the reset member 6 is connected to the wall of the collecting cavity 21, and the upper end of the reset member 6 passes through the drain outlet 12 of the receiving cavity and is connected to the first switch member 3. When the first switch member 3 is in the first open position, the reset member 6 is in a stretched state so that the reset member 6 applies a downward reset force to the first switch member 3, and the downward reset force can move at least a portion of the first switch member 3 from top to bottom to reset.

[0097] In another embodiment of the present invention, when the first switch 3 moves from the first open position to the first closed position, at least a portion of the first switch 3 moves from bottom to top to reset; when the second switch 4 moves from the second open position to the second closed position, at least a portion of the second switch 4 moves from bottom to top to reset.

[0098] The lower end of the reset member 6 is connected to the wall of the collecting cavity 21, and the upper end of the reset member 6 is connected to the first switch member 3. When the first switch member 3 is in the first open position, the reset member 6 is in a compressed state so that the reset member 6 applies an upward reset force to the first switch member 3, and the upward reset force can move at least a portion of the first switch member 3 from bottom to top to reset.

[0099] Alternatively, the upper end of the reset member 6 is connected to the wall of the receiving cavity 11, and the lower end of the reset member 6 passes through the drain outlet 12 of the receiving cavity and is connected to the first switch member 3. When the first switch member 3 is in the first open position, the reset member 6 is in a stretched state so that the reset member 6 applies an upward reset force to the first switch member 3, and the upward reset force can move at least a portion of the first switch member 3 from bottom to top to reset.

[0100] Optionally, the reset member 6 includes a first magnetic element, and the first switching member 3 includes a second magnetic element or a first ferromagnetic element. Thus, the reset member 6 can apply an attractive or repulsive force to the first switching member 3; that is, the reset force is either an attractive or repulsive force.

[0101] For example, when the first switch 3 moves from the first open position to the first closed position, at least a portion of the first switch 3 moves downward to reset. The first magnetic element is located above the second magnetic element, and the same magnetic poles of the first and second magnetic elements are arranged opposite each other in the vertical direction, so that the first magnetic element applies a downward repulsive force to the first switch 3 (second magnetic element), and the downward repulsive force can cause at least a portion of the first switch 3 to move downward to reset.

[0102] Alternatively, a first magnetic element is disposed on the bottom wall surface 111 of the receiving cavity 11, and the first switching element 3 includes a first ferromagnetic element so that the first magnetic element applies a downward attractive force to the first switching element 3, and the downward attractive force can move at least a portion of the first switching element 3 from top to bottom to reset. Furthermore, the first switching element 3 includes a second magnetic element, and the opposite magnetic poles of the first and second magnetic elements are arranged opposite each other in the vertical direction so that the first magnetic element applies a downward attractive force to the first switching element 3 (second magnetic element), and the downward attractive force can move at least a portion of the first switching element 3 from top to bottom to reset.

[0103] like Figure 2 and Figure 3As shown, both the first switching element 3 and the reset element 6 are located within the receiving cavity 11. The wastewater tank assembly 100 further includes a mounting element 7 disposed on the wall of the receiving cavity 11. For example, the mounting element 7 is mounted to the wall of the receiving cavity 11 by screws or bolts, or the mounting element 7 can be welded to the wall of the receiving cavity 11.

[0104] The reset member 6 is an elastic member. The upper end 63 of the reset member 6 is connected to the mounting member 7, and the lower end 64 of the reset member 6 is connected to the first switch member 3, so that the reset member 6 applies a downward reset force to the first switch member 3. By providing the mounting member 7 on the wall of the receiving cavity 11, the reset member 6 can be installed more conveniently and more securely.

[0105] like Figure 2 and Figure 3 As shown, the first switch member 3 includes a cover plate portion 31 and a first annular portion 32, with the first annular portion 32 disposed on the cover plate portion 31. When the first switch member 3 is in the first closed position, the cover plate portion 31 abuts against the bottom wall surface 111 of the receiving cavity 11 to close the drain outlet 12 of the receiving cavity. That is, when the first switch member 3 is in the first closed position, the cover plate portion 31 abuts against the bottom wall surface 111 of the receiving cavity 11 and covers the drain outlet 12 of the receiving cavity.

[0106] The first annular portion 32 has a first mounting cavity 321. The mounting member 7 includes a second annular portion 71, which has a second mounting cavity 711. A portion 61 of the reset member 6 is located within the first mounting cavity 321, and another portion 62 of the reset member 6 is located within the second mounting cavity 711. The reset member 6 is in a compressed state. This allows for easier and more secure installation of the reset member 6, preventing it from shifting during deformation.

[0107] Optionally, the first annular portion 32 has a first mounting cavity 321 open at the upper end, and the second annular portion 71 has a second mounting cavity 711 open at the lower end.

[0108] like Figure 2 and Figure 3 As shown, the first annular portion 32 is fitted onto the second annular portion 71, or the second annular portion 71 is fitted onto the first annular portion 32. This not only makes it easier and more secure to install the reset member 6, but also allows the first switch member 3 to move more stably between the first closed position and the first open position.

[0109] like Figure 2 and Figure 3As shown, the wastewater tank assembly 100 further includes an elastic sealing ring 33, which is disposed on the bottom wall surface 111 of the receiving cavity 11 and surrounds the drain outlet 12 of the receiving cavity. The first switch member 3 (cover plate portion 31) in the first closed position abuts against the elastic sealing ring 33. This further prevents wastewater leakage from the receiving cavity 11.

[0110] Optionally, the wastewater tank assembly 100 also includes a wastewater conveying component having a first wastewater conveying channel 51 communicating with each of the receiving cavity 11 and the collection cavity 21. During the cleaning process of the robotic vacuum cleaner 1000, wastewater collected in the collection cavity 21 can enter the receiving cavity 11 through the first wastewater conveying channel 51.

[0111] The container 1 also has a sewage inlet, which is connected to both the container cavity 11 and the collection cavity 21, so that sewage in the collection cavity 21 can enter the container cavity 11 through the sewage inlet. For example, one end of the first sewage conveying channel 51 is connected to the collection cavity 21, and the other end of the first sewage conveying channel 51 is connected to the sewage inlet.

[0112] The sewage inlet and the drain outlet 12 of the containment cavity can be the same opening. Alternatively, the sewage inlet and the drain outlet 12 of the containment cavity can be different openings.

[0113] like Figure 2 and Figure 3 As shown, the opening member 5 has a first sewage conveying channel 51 so that the opening member 5 constitutes a sewage conveying member. This can further simplify the structure of the sewage tank assembly 100 and further reduce the manufacturing difficulty and manufacturing cost of the sewage tank assembly 100.

[0114] like Figure 2 and Figure 3 As shown, the first switch element 3 is sleeved on the opening element 5, meaning the opening element 5 passes through the first switch element 3. The lower end 52 of the opening element 5 is located inside the collection chamber 21, and the lower end 52 of the opening element 5 is adjacent to or abuts against the second switch element 4. This allows for a more compact structure of the sewage tank assembly 100.

[0115] When at least a portion of the second switch 4 moves from bottom to top so that the second switch 4 moves from the second closed position to the second open position, the at least a portion of the second switch 4 drives the opening member 5 to move from bottom to top, and then the opening member 5 drives at least a portion of the first switch 3 to move from bottom to top so that the first switch 3 moves from the first closed position to the first open position.

[0116] The lower port 511 of the first sewage conveying channel 51 is located at the lower end of the opening member 5, and the upper port 512 of the first sewage conveying channel 51 is located inside the receiving cavity 11. Thus, the sewage in the collecting cavity 21 enters the first sewage conveying channel 51 through the lower port 511, and then the sewage in the first sewage conveying channel 51 enters the receiving cavity 11 through the upper port 512.

[0117] Optionally, the first sewage conveying channel 51 extends through the opening member 5 in the vertical direction, thereby making the structure of the sewage tank assembly 100 more reasonable. The upper port 512 of the first sewage conveying channel 51 (the upper end of the opening member 5) passes upward through the drain outlet 12 of the receiving cavity, so as to make the structure of the sewage tank assembly 100 more reasonable.

[0118] The upper port 512 of the first sewage conveying channel 51 may be located at the top of the receiving cavity 11 so that the receiving cavity 11 can hold more sewage. Optionally, the sewage tank assembly 100 further includes a conveying hose, one end of which is connected to the upper port 512 of the first sewage conveying channel 51, and the other end of which is located at the top of the receiving cavity 11 so that the receiving cavity 11 can hold more sewage.

[0119] Optionally, the outer peripheral surface of the opening member 5 is provided with a first groove 54, and a portion of the delivery hose is fitted into the first groove 54 so as to more securely install the delivery hose onto the opening member 5.

[0120] like Figure 2 and Figure 3 As shown, the wastewater tank assembly 100 further includes an elastic buffer 8, which is disposed on the opening member 5. The elastic buffer 8 has a second wastewater conveying channel 81, which communicates with the first wastewater conveying channel 51.

[0121] The lower end 82 of the elastic buffer 8 is adjacent to or abuts against the second switch 4. When at least a portion of the second switch 4 moves upward from bottom to top, so that the second switch 4 moves from the second closed position to the second open position, the at least a portion of the second switch 4 contacts the elastic buffer 8 and causes the elastic buffer 8 to deform. When the elastic buffer 8 deforms to a certain extent, the at least a portion of the second switch 4 drives the elastic buffer 8 to move upward from bottom to top, so that the opening member 5 moves upward from bottom to top via the elastic buffer 8. Finally, the opening member 5 drives at least a portion of the first switch 3 to move upward from bottom to top, so that the first switch 3 moves from the first closed position to the first open position.

[0122] The robotic vacuum cleaner's roller brush has a lifting function, meaning it can move up and down. When the roller brush moves up and down, the wastewater collection component also moves up and down along with it. To avoid interference between the wastewater conveying component and the upward-moving wastewater collection component, the bottom wall of the wastewater conveying component and the collection chamber of the wastewater collection component are spaced a certain distance apart in the vertical direction to allow space for the wastewater collection component to move upward. This results in some wastewater remaining in the collection chamber of the wastewater collection component, as not all wastewater in the collection chamber can pass through the wastewater conveying component into the receiving chamber.

[0123] By providing an elastic buffer 8 adjacent to or abutting against the second switch 4 on the opening member 5, the deformation of the elastic buffer 8 can compensate for the upward displacement of the bottom wall surface 211 of the collection chamber 21. This not only ensures that the lower end 82 of the elastic buffer 8 is always adjacent to the bottom wall surface 211 of the collection chamber 21, so that all the sewage in the collection chamber 21 is transported into the receiving chamber 11, ensuring that there is no residual sewage in the collection chamber 21, but also prevents the drain outlet 12 of the receiving chamber from being accidentally opened due to the collection chamber 21 (sewage collection member 2) moving upward with the roller brush 200.

[0124] like Figure 2 and Figure 3 As shown, the elastic buffer 8 includes a vertical annular portion 83, an arc-shaped transition portion 84, and a horizontal annular portion 85. The vertical annular portion 83 is fitted onto the opening member 5, for example, the vertical annular portion 83 is fitted onto the lower end 52 of the opening member 5. The horizontal annular portion 85 is adjacent to or abuts against the second switching member 4. By making the horizontal annular portion 85 adjacent to or abut against the second switching member 4, the contact area between the horizontal annular portion 85 and the second switching member 4 can be increased, so that the horizontal annular portion 85 (elastic buffer 8) and the second switching member 4 can be more stably engaged.

[0125] The upper end of the arc-shaped transition portion 84 is connected to the vertical annular portion 83, and the lower end of the arc-shaped transition portion 84 is connected to the horizontal annular portion 85. The arc-shaped transition portion 84 can deform to compensate for the upward displacement of the bottom wall surface 211 of the collecting cavity 21. Optionally, the arc-shaped transition portion 84 is generally trumpet-shaped. The elastic buffer 8 is made of rubber, silicone, etc.

[0126] Optionally, such as Figure 2 and Figure 3 As shown, the opening member 5 is rod-shaped and vertically arranged, as is the first sewage conveying channel 51. A stop portion 53 is provided on the outer circumferential surface of the opening member 5, and the upper end portion 831 of the vertical annular portion 83 abuts against the stop portion 53. A second groove 55 is also provided on the outer circumferential surface of the opening member 5, and a portion of the vertical annular portion 83 fits into the second groove 55 to more securely install the elastic buffer member 8 onto the opening member 5.

[0127] like Figure 2, Figure 3 and Figure 7 As shown, the wastewater tank assembly 100 further includes a filter element 9, which is clamped between the lower end 82 of the elastic buffer member 8 and the second switch member 4. For example, the filter element 9 is clamped between the horizontal annular portion 85 and the second switch member 4. The filter element 9 has filter mesh 91, which communicates with the second wastewater conveying channel 81. By providing the filter element 9, larger particles and impurities in the wastewater can be intercepted, thereby preventing not only blockage of the wastewater conveying channel but also the accumulation of larger particles and impurities in the receiving cavity 11.

[0128] like Figure 2 , Figure 3 and Figure 7 As shown, the filter element 9 includes a mounting hole 94 extending through it along its thickness direction, which can be aligned with the vertical direction. A mushroom-shaped mounting protrusion 86 is provided on the lower surface of the horizontal annular portion 85, and the mounting protrusion 86 fits into the mounting hole 94. This allows for a more secure connection between the horizontal annular portion 85 (elastic buffer 8) and the filter element 9, resulting in a more stable fit between them, and consequently, a more stable fit between the horizontal annular portion 85 (elastic buffer 8), the filter element 9, and the second switch element 4.

[0129] Optionally, the mounting protrusion 86 is interference-fitted into the mounting hole 94. This allows for a more secure connection between the horizontal annular portion 85 (elastic buffer 8) and the filter element 9.

[0130] like Figure 2 and Figure 7 As shown, the filter element 9 includes a plate 92 and a protruding ring 93. The plate 92 has filter mesh 91, and the lower end 82 of the elastic buffer 8 abuts against the upper surface 921 of the plate 92. For example, a horizontal annular portion 85 abuts against the upper surface 921 of the plate 92. The protruding ring 93 is provided on the lower surface 922 of the plate 92 and abuts against the upper surface 41 of the second switch element 4. The protruding ring 93 has a third sewage conveying channel 931 communicating with the filter mesh 91. This makes the structure of the filter element 9 more reasonable.

[0131] Optionally, a filter element 9 is provided at the end of the first sewage conveying channel 51 near the collection chamber 21. That is, the filter element 9 is located inside the first sewage conveying channel 51. By providing the filter element 9, larger particles and impurities in the sewage can be intercepted, thus preventing not only blockage of the sewage conveying channel but also the accumulation of larger particles and impurities in the receiving chamber 11. Moreover, by placing the filter element 9 inside the first sewage conveying channel 51, the structure of the sewage tank assembly 100 can be made more compact.

[0132] The wall of the receiving cavity 11 may be provided with an air extraction port. Optionally, the air extraction port may be located at the top of the side wall of the receiving cavity 11. When the sweeping robot 1000 cleans the floor, the air in the receiving cavity 11 can be extracted through the air extraction port to create a negative pressure environment. Under pressure, the sewage in the collection cavity 21 enters the receiving cavity 11 sequentially through the third sewage delivery channel 931, the filter mesh 91, the second sewage delivery channel 81, and the first sewage delivery channel 51.

[0133] like Figure 7 As shown, the convex ring 93 includes a plurality of protrusions 932, which are circumferentially spaced along the second sewage conveying channel 81 (first sewage conveying channel 51). A third sewage conveying channel 931 is defined between two adjacent protrusions 932, thereby forming a plurality of third sewage conveying channels 931. This allows the sewage in the collection chamber 21 to be conveyed into the receiving chamber 11 more quickly.

[0134] like Figure 3 As shown, the upper surface 41 of the second switching element 4 can be flush with the bottom wall surface 211 of the collecting chamber 21, or the upper surface 41 of the second switching element 4 can be slightly lower than the bottom wall surface 211 of the collecting chamber 21. This allows the wastewater in the collecting chamber 21 to be more thoroughly transported into the receiving chamber 11, further ensuring that there is no residual wastewater in the collecting chamber 21.

[0135] 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.

[0136] 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.

[0137] 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, an electrical connection, or a connection that allows communication between them; 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.

[0138] 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.

[0139] In this utility model, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. 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.

[0140] 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 sewage tank assembly, characterized in that, include: A receiving box having a receiving cavity and a receiving cavity drain outlet communicating with the receiving cavity; and A sewage collection device having a collection chamber that is connected to the drain outlet of the receiving chamber, so that sewage in the receiving chamber flows into the collection chamber through the drain outlet of the receiving chamber.

2. The sewage tank assembly according to claim 1, characterized in that, The collection chamber is located below the receiving chamber.

3. The sewage tank assembly according to claim 1, characterized in that, The sewage collection device has a collection chamber drain outlet that communicates with the collection chamber so that the sewage in the collection chamber can be discharged through the collection chamber drain outlet.

4. The sewage tank assembly according to claim 3, characterized in that, It also includes a first switch and a second switch, the first switch cooperating with the drain outlet of the receiving cavity to open and close the drain outlet of the receiving cavity, and the second switch cooperating with the drain outlet of the collecting cavity to open and close the drain outlet of the collecting cavity.

5. The sewage tank assembly according to claim 4, characterized in that, The drain outlet of the receiving cavity is located on the bottom wall surface of the receiving cavity, or the drain outlet of the receiving cavity is located on the side wall surface of the receiving cavity and adjacent to the bottom wall surface of the receiving cavity; or The drain outlet of the collection chamber is located on the bottom wall surface of the collection chamber, or the drain outlet of the collection chamber is located on the side wall surface of the collection chamber and adjacent to the bottom wall surface of the collection chamber; or The container also has a sewage inlet, which is connected to both the container cavity and the collection cavity, so that sewage in the collection cavity enters the container cavity through the sewage inlet. The sewage inlet and the drain outlet of the container cavity are either the same opening or different openings.

6. The sewage tank assembly according to claim 4, characterized in that, The first switch is movably disposed between a first open position for opening the drain outlet of the receiving cavity and a first closed position for closing the drain outlet of the receiving cavity, and the second switch is movably disposed between a second open position for opening the drain outlet of the collecting cavity and a second closed position for closing the drain outlet of the collecting cavity.

7. The sewage tank assembly according to claim 6, characterized in that, The first switch and the second switch are linked so that when the second switch moves from the second closed position to the second open position, it drives the first switch to move from the first closed position to the first open position.

8. The wastewater tank assembly according to claim 6 or 7, characterized in that, It also includes an opening element that cooperates with each of the first switch element and the second switch element so that when the second switch element moves from the second closed position to the second open position, the opening element drives the first switch element to move from the first closed position to the first open position.

9. The sewage tank assembly according to claim 8, characterized in that, The first switch is sleeved on the opening member, the lower end of the opening member is located inside the collection cavity, and the lower end of the opening member is adjacent to or abuts against the second switch.

10. The sewage tank assembly according to claim 8, characterized in that, The second switch, located in the second closed position, engages with the drain outlet of the collection chamber or abuts against the bottom wall of the collection chamber. When the second switch moves from the second closed position to the second open position, at least a portion of the second switch moves from bottom to top. The first switch element located in the first closed position is engaged in the drain outlet of the receiving cavity or abuts against the bottom wall of the receiving cavity. When the first switch element moves from the first closed position to the first open position, at least a portion of the first switch element moves from bottom to top, and the open element engages with at least a portion of the first switch element and at least a portion of the second switch element. or The second switch, located in the second closed position, engages with the drain outlet of the collection chamber or abuts against the lower surface of the sewage collection component. When the second switch moves from the second closed position to the second open position, at least a portion of the second switch moves from top to bottom. The first switch element located in the first closed position is engaged in the drain outlet of the receiving cavity or abuts against the lower surface of the receiving box. When the first switch element moves from the first closed position to the first open position, at least a portion of the first switch element moves from top to bottom, and the opening element engages with at least a portion of the first switch element and at least a portion of the second switch element.

11. The wastewater tank assembly according to claim 8, characterized in that, The second switch is rotatably disposed between the second open position and the second closed position.

12. The wastewater tank assembly according to claim 11, characterized in that, The rotation axis of the second switching element extends horizontally, wherein the second switching element includes a first part and a second part, the first part and the second part are located on both sides of the rotation axis of the second switching element, and the opening element cooperates with one of the first part and the second part.

13. The wastewater tank assembly according to claim 6 or 7, characterized in that, It also includes a reset element that cooperates with the first switch element to apply a reset force to the first switch element, causing the first switch element to move toward the first closed position.

14. The wastewater tank assembly according to claim 13, characterized in that, The reset element is an elastic element, one end of which is connected to the first switch element, and the other end of which is connected to the receiving tank or the sewage collection element; or The reset component includes a first magnetic component, and the first switching component includes a second magnetic component or a first ferromagnetic component.

15. The wastewater tank assembly according to claim 14, characterized in that, Both the first switch and the reset member are located within the receiving cavity. The sewage tank assembly also includes a mounting member disposed on the wall of the receiving cavity. The reset member is an elastic member, with its upper end connected to the mounting member and its lower end connected to the first switch, so that the reset member applies a reset force to the first switch.

16. The wastewater tank assembly according to claim 15, characterized in that, The first switch includes a cover plate portion and a first annular portion disposed on the cover plate portion. When the first switch is in the first closed position, the cover plate portion abuts against the bottom wall of the receiving cavity to close the drain outlet of the receiving cavity. The first annular portion has a first mounting cavity. The mounting member includes a second annular portion, which has a second mounting cavity. A portion of the reset member is located in the first mounting cavity, and another portion of the reset member is located in the second mounting cavity. The reset member is in a compressed state.

17. The wastewater tank assembly according to claim 8, characterized in that, It also includes a sewage conveying component having a first sewage conveying channel that communicates with each of the receiving cavity and the collecting cavity.

18. The wastewater tank assembly according to claim 17, characterized in that, The opening element has the first sewage conveying channel so that the opening element constitutes the sewage conveying element.

19. The wastewater tank assembly according to claim 18, characterized in that, The lower port of the first sewage conveying channel is located at the lower end of the opening member, and the upper port of the first sewage conveying channel is located inside the receiving cavity.

20. The wastewater tank assembly according to claim 19, characterized in that, It also includes an elastic buffer member disposed on the opening member, the lower end of the elastic buffer member being adjacent to or abutting against the second switching member, wherein the elastic buffer member has a second sewage conveying channel, the second sewage conveying channel being connected to the first sewage conveying channel.

21. The wastewater tank assembly according to claim 20, characterized in that, The elastic buffer includes: A vertical annular portion, which is sleeved on the opening member; A horizontal annular portion, said horizontal annular portion being adjacent to or abutting against the second switching element; and An arc-shaped transition section, the upper end of which is connected to the vertical annular section, and the lower end of which is connected to the horizontal annular section.

22. The wastewater tank assembly according to claim 20, characterized in that, It also includes a filter element, which is clamped between the lower end of the elastic buffer and the second switch element, wherein the filter element has a filter mesh that communicates with the second sewage conveying channel.

23. The wastewater tank assembly according to claim 17, characterized in that, A filter element is provided at the end of the first sewage conveying channel near the collection chamber.

24. The wastewater tank assembly according to claim 22, characterized in that, The filter element includes: A plate having the filter mesh, the lower end of the elastic buffer abutting against the upper surface of the plate; and A convex ring is provided on the lower surface of the plate and abuts against the upper surface of the second switch. The convex ring is provided with a third sewage conveying channel communicating with the filter mesh.

25. The sewage tank assembly according to claim 4, characterized in that, The second switch is provided with a sealing element. When the second switch closes the drain outlet of the collection chamber, the sealing element abuts against the wall of the drain outlet of the collection chamber.

26. The wastewater tank assembly according to any one of claims 1-7, characterized in that, The wall of the receiving cavity is provided with an air extraction port.

27. A robotic vacuum cleaner, characterized in that, include: Wastewater tank assembly, wherein the wastewater tank assembly is the wastewater tank assembly according to any one of claims 1-26.

28. A robotic vacuum cleaner system, characterized in that, include: A wastewater tank assembly, wherein the wastewater tank assembly is the wastewater tank assembly according to any one of claims 1-26; and A cleaning base station is provided, which cooperates with the collection chamber of the sewage tank assembly so that sewage in the receiving chamber of the sewage tank assembly flows through the collection chamber and enters the cleaning base station.

29. The robotic vacuum cleaner system according to claim 28, characterized in that, The cleaning base station includes a drive unit that can cooperate with a second switch of the sewage tank assembly to drive the second switch from a second closed position to a second open position.

30. The robotic vacuum cleaner system according to claim 29, characterized in that, The driving part includes a protrusion; or The driving unit includes a third magnetic element, and the second switching element includes a fourth magnetic element or a second ferromagnetic element.

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