Automatic discharge sewage tank and robot sweeper

Abstract

The utility model belongs to the technical field of sweeping robot, disclose a kind of automatic discharge sewage tank and sweeping robot equipment, automatic discharge sewage tank includes sewage tank and discharge component, and sewage tank has accommodating cavity inside, accommodating cavity is used to hold sewage, and the bottom of accommodating cavity is provided with fixed support;Discharge component includes sewage pump, sewage pipe and butt joint pipe head, sewage pump is detachably connected in fixed support, the inlet of sewage pump is towards the bottom of accommodating cavity, butt joint pipe head is set to the top of sewage tank, butt joint pipe head is configured as detachably connected work base station, and the both ends of sewage pipe are connected respectively in butt joint pipe head and the outlet of sewage pump.The utility model discloses automatic discharge sewage tank can sewage emptying rate, reduce sewage tank in sewage residual, reduce the cavitation phenomenon that appears in sewage pump, and then improve the cleaning efficiency of sweeping robot equipment, reduce downtime.

Description

Technical Field

[0001] This utility model relates to the field of sweeping robot technology, and in particular to an automatic sewage discharge tank and sweeping robot equipment. Background Technology

[0002] A cleaning robot is a smart home appliance that automates floor cleaning tasks such as sweeping, vacuuming, and mopping. The robot cleans while moving, storing wastewater in a tank and discharging it upon returning to its base station. Existing technology provides a cleaning robot with a water pump mounted on top of the wastewater tank. The pump's suction pipe extends into the tank, and its discharge port connects to the base station, pumping wastewater from the tank to the station. However, when the wastewater level is low, air can enter the suction pipe, reducing or eliminating the pressure difference between the suction pipe and the tank. This leaves some wastewater in the suction pipe that is difficult for the pump to completely remove, resulting in a low emptying rate. The remaining wastewater in the tank can ferment, breed bacteria, and produce odors, negatively impacting the user experience. Furthermore, the pump's inlet height is higher than the wastewater depth, allowing air entering the suction pipe to enter the pump with the water flow the next time it operates, causing cavitation. This reduces pumping efficiency, increases noise, and can even damage the pump. Utility Model Content

[0003] The first objective of this utility model is to provide an automatic sewage discharge tank that can solve the problems of existing sewage tanks where the water pump is located at the top, making it difficult to completely pump out the residual sewage in the suction pipe, thus affecting the sewage discharge efficiency, and the water pump is prone to dry suction.

[0004] To achieve this objective, the present invention adopts the following technical solution:

[0005] An automatic wastewater discharge tank is provided, comprising:

[0006] A sewage tank, wherein the sewage tank has a receiving cavity for holding sewage, and a fixed support is provided at the bottom of the receiving cavity;

[0007] The discharge assembly includes a sewage pump, a sewage pipe, and a connecting pipe. The sewage pump is detachably connected to the fixed bracket, and the inlet of the sewage pump faces the bottom of the receiving cavity. The connecting pipe is disposed on the top of the sewage tank and is configured to be detachably connected to the working base station. The two ends of the sewage pipe are respectively connected to the connecting pipe and the outlet of the sewage pump.

[0008] In one embodiment, the automatic wastewater discharge tank is further equipped with a level detection device, which is communicatively connected to the wastewater pump and configured to detect the maximum wastewater depth; and / or,

[0009] Along the width of the sewage tank, the connecting pipe and the sewage pump are respectively disposed on both sides of the receiving cavity, and the sewage pipe is inclined from bottom to top; and / or,

[0010] The bottom wall of the sewage tank extends at an incline to form a lower end and a higher end that are oppositely arranged, and the fixed bracket is disposed at the lower end.

[0011] In one embodiment, the automatic wastewater discharge tank further includes a filter assembly disposed at the inlet of the wastewater pump, the filter assembly being used to filter wastewater entering the wastewater pump.

[0012] In one embodiment, the filtration assembly includes filter cotton and a filter box, the filter box being detachably connected to the wastewater tank, the filter box having a filter chamber, and the filter cotton being disposed within the filter chamber.

[0013] In one embodiment, the top wall of the filter box has a filter port, and the box wall of the filter box has multiple water inlets. The filter port and the water inlets are both connected to the filter chamber. The filter box is connected to the bottom plate of the sewage tank. The sewage pump is located above the filter box, and the inlet of the sewage pump is connected to the filter port.

[0014] In one embodiment, the fixing bracket is detachably connected to the filter box, the fixing bracket has a mounting groove that communicates with the filter port, and the sewage pump is disposed in the mounting groove.

[0015] In one embodiment, the fixed bracket includes a frame and a top cover. The frame is detachably connected to the filter box, the mounting slot is disposed in the frame, and the top cover is detachably connected to the frame. The top cover covers the sewage pump and closes the opening of the mounting slot.

[0016] In one embodiment, the fixed bracket is further provided with a connecting port, the connecting port being connected to the mounting groove, and a sewage pipe connector is provided at the outlet of the sewage pump, the sewage pipe connector being inserted through the connecting port, and the sewage pipe connector being used to connect the other end of the sewage pipe away from the connecting pipe.

[0017] In one embodiment, one of the fixed bracket and the filter box is provided with an elastic buckle, and the other is provided with a buckle groove, wherein the elastic buckle is engaged in the buckle groove.

[0018] Another objective of this invention is to provide a sweeping robot device having an automatic wastewater discharge tank as described in any of the above embodiments.

[0019] To achieve this objective, the present invention employs the following technical solution in another aspect:

[0020] A sweeping robot device is provided, including an automatic wastewater discharge tank as described in any of the above embodiments. The sweeping robot device also includes an automatic cleaning device and a working base station. The automatic wastewater discharge tank is disposed on the automatic cleaning device. The wastewater tank of the automatic wastewater discharge tank is used to hold the working wastewater of the automatic cleaning device. The connecting pipe of the automatic wastewater discharge tank is configured to be detachably connected to the working base station.

[0021] The beneficial effects of this utility model are:

[0022] The automatic sewage discharge tank provided by this utility model includes a sewage tank and a discharge assembly. The sewage tank has a receiving cavity for holding sewage, and a fixed support is provided at the bottom of the receiving cavity. The discharge assembly includes a sewage pump, a sewage pipe, and a connecting pipe. The sewage pump is detachably connected to the fixed support, and the inlet of the sewage pump faces the bottom of the receiving cavity. The connecting pipe is located at the top of the sewage tank and is configured to be detachably connected to the working base station. The two ends of the sewage pipe are respectively connected to the connecting pipe and the outlet of the sewage pump. The sewage pump draws sewage from the receiving cavity and discharges it to the working base station through the sewage pipe and the connecting pipe, eliminating the need for manual sewage emptying by operators and avoiding direct contact with contaminants. Because the inlet of the sewage pump faces the bottom of the receiving cavity, sewage enters the sewage pump directly through the inlet without needing to be transported upwards through pipelines. This ensures that the sewage pump can minimize sewage residue at the end of the discharge process, improve the emptying rate, and prevent problems such as bacterial fermentation and odor generation due to residual sewage in the sewage tank, thus improving the user experience. Furthermore, during operation, the inlet of the sewage pump remains submerged below the sewage level, preventing air from entering the pump during pipeline transmission, reducing cavitation, ensuring pump reliability, and avoiding problems such as decreased pumping efficiency, increased operating noise, or even pump damage. The connecting pipe at the top of the sewage tank facilitates connection to the work station, allowing gravity-assisted discharge of sewage pumped to higher locations, resulting in higher discharge efficiency.

[0023] The sweeping robot equipment provided by this utility model has the above-mentioned automatic sewage discharge tank, which can improve the sewage emptying rate and reduce sewage residue in the sewage tank. Moreover, during operation, the inlet of the sewage pump is always submerged below the sewage surface, avoiding the problem of air mixing into the sewage pump during pipeline transmission, reducing cavitation phenomenon in the sewage pump, ensuring the working reliability of the sewage pump, thereby improving the cleaning efficiency of the sweeping robot equipment and reducing downtime. Attached Figure Description

[0024] Figure 1 This is a structural cross-sectional view of the automatic sewage discharge tank provided in this embodiment of the utility model;

[0025] Figure 2 This is a partial structural disassembly diagram of the automatic sewage discharge tank provided in this embodiment of the utility model;

[0026] Figure 3 This is a partial structural schematic diagram of the fixed bracket provided in an embodiment of the present utility model.

[0027] In the picture:

[0028] 1. Wastewater tank; 11. Receiving cavity; 12. Fixing bracket; 121. Mounting groove; 122. Frame; 123. Top cover; 124. Connecting port; 125. Snap-fit ​​groove;

[0029] 2. Discharge assembly; 21. Sewage pump; 211. Sewage pipe connector; 22. Sewage pipe; 23. Connecting pipe;

[0030] 3. Filter assembly; 31. Filter cotton; 32. Filter box; 321. Filter port; 322. Water inlet; 323. Flexible buckle. Detailed Implementation

[0031] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0032] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions. Moreover, "above," "on top of," and "over" the first feature in relation to the second feature includes the first feature directly above and diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "under," and "below" the first feature in relation to the second feature includes the first feature directly below and diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0035] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0036] like Figures 1 to 3 As shown, this utility model provides an automatic sewage discharge tank, which includes a sewage tank 1 and a discharge assembly 2. The sewage tank 1 has a receiving cavity 11 for holding sewage, and a fixed support 12 is provided at the bottom of the receiving cavity 11. The discharge assembly 2 includes a sewage pump 21, a sewage pipe 22, and a connecting pipe 23. The sewage pump 21 is detachably connected to the fixed support 12, and the inlet of the sewage pump 21 faces the bottom of the receiving cavity 11. The connecting pipe 23 is located at the top of the sewage tank 1 and is configured to be detachably connected to a working base station (not shown in the figure). The two ends of the sewage pipe 22 are respectively connected to the connecting pipe 23 and the outlet of the sewage pump 21. The sewage pump 21 draws the sewage contained in the receiving cavity 11 and discharges it to the working base station through the sewage pipe 22 and the connecting pipe 23, eliminating the need for manual sewage emptying by operators and avoiding direct contact with pollutants. Because the inlet of the sewage pump 21 faces the bottom of the receiving cavity 11, sewage enters the sewage pump 21 directly through the inlet without needing to be transported upwards through pipelines. This ensures that the sewage pump 21 can minimize sewage residue at the end of the sewage discharge process, improve the emptying rate, and avoid problems such as bacterial growth and odor caused by residual sewage fermentation in the sewage tank 1, thus improving the user experience. Moreover, during operation, the inlet of the sewage pump 21 is always submerged below the sewage surface, preventing the possibility of air mixing into the sewage pump 21 during pipeline transmission, reducing cavitation phenomena, ensuring the operational reliability of the sewage pump 21, and avoiding problems such as decreased pumping efficiency, increased operating noise, or even damage to the sewage pump 21. The connecting pipe 23 located at the top of the sewage tank 1 facilitates docking with the working base station, allowing sewage pumped to higher levels to be discharged using gravity assistance, resulting in higher docking efficiency.

[0037] This embodiment does not impose limitations on the specific structure of the connector 23 and the working base station, as this is not the focus of this application; existing technologies can be referenced for configuration. The sewage pump 21 has an IP68 waterproof rating and will not experience corrosion or leakage problems when operating inside the sewage tank 1 for extended periods.

[0038] The automatic sewage discharge tank is also equipped with a level detection device (not shown in the figure). The level detection device is communicatively connected to the sewage pump 21 and is configured to detect the maximum sewage depth. When the level detection device detects that the sewage accumulated in the sewage tank 1 has reached the maximum sewage depth, it sends a signal, and the sewage pump 21 receives the signal and begins the sewage discharge operation. The specific structure and detection principle of the level detection device can be set by referring to the existing technology shown.

[0039] Along the width of the sewage tank 1, the connecting pipe 23 and the sewage pump 21 are respectively arranged on both sides of the receiving cavity 11, and the sewage pipe 22 is inclined from bottom to top. The sewage pipe 22 is made of a braided flexible hose. Compared with the vertical arrangement, the inclined sewage pipe 22 is easier to vent when the sewage pump 21 is started, which helps to reduce the starting load and operating current of the sewage pump 21.

[0040] In one embodiment, the bottom wall of the sewage tank 1 is inclined, and the fixing bracket 12 is located at the lower end of the bottom wall. Gravity is used to cause the sewage to gather towards the sewage pump 21, so that as much sewage as possible is discharged.

[0041] In one embodiment, the automatic sewage discharge tank further includes a filter assembly 3, which is disposed at the inlet of the sewage pump 21. The filter assembly 3 is used to filter the sewage entering the sewage pump 21. The filter assembly 3 removes solid waste from the sewage, preventing blockage of the internal pipes of the sewage pump 21 and improving the operational reliability of the sewage pump 21.

[0042] Specifically, the filter assembly 3 includes filter cotton 31 and a filter box 32. The filter box 32 is detachably connected to the wastewater tank 1. The filter box 32 has a filter chamber, and the filter cotton 31 is disposed inside the filter chamber. The filter box 32 is fixed to the bottom plate of the wastewater tank 1 with screws, which also secures the filter cotton 31. The detachable filter box 32 allows for periodic replacement of the filter cotton 31.

[0043] The top wall of the filter box 32 has a filter port 321, and the box wall of the filter box 32 has multiple water inlets 322. Both the filter port 321 and the water inlets 322 are connected to the filter chamber. The filter box 32 is connected to the bottom plate of the sewage tank 1. The filter box 32 is mainly used to filter large particles of solid waste, while the filter cotton 31 is mainly used to filter fine dust particles and flocculent matter, preventing these solid wastes from causing wear on the sewage pump 21 or clogging of the sewage pipe 22. The sewage pump 21 is located above the filter box 32, and the inlet of the sewage pump 21 is connected to the filter port 321. This arrangement is relatively compact, effectively filtering sewage while keeping the inlet height of the sewage pump 21 as low as possible.

[0044] In one embodiment, the fixing bracket 12 is detachably connected to the filter box 32. The fixing bracket 12 has a mounting groove 121, which communicates with the filter port 321. The sewage pump 21 is disposed within the mounting groove 121. Detachably connecting the fixing bracket 12 and the filter box 32 simplifies the manufacturing process. By placing the sewage pump 21 within the mounting groove 121 and aligning its inlet with the filter port 321, filtered wastewater can enter the sewage pump 21 without obstructing the water inlet.

[0045] The fixed bracket 12 includes a frame 122 and a top cover 123. The frame 122 is detachably connected to the filter box 32. The mounting groove 121 is disposed within the frame 122. The top cover 123 is detachably connected to the frame 122 and covers the top of the sewage pump 21, sealing the opening of the mounting groove 121. The sewage pump 21 is embedded in the mounting groove 121, and then the top cover 123 is placed on top of the sewage pump 21. Screws are used to connect the top cover 123 and the frame 122 to ensure that the sewage pump 21 is firmly constrained on the fixed bracket 12 and will not shake.

[0046] The fixed bracket 12 also has a connecting port 124, which connects to the mounting groove 121. A sewage pipe connector 211 is provided at the outlet of the sewage pump 21. The sewage pipe connector 211 passes through the connecting port 124 and is used to connect the other end of the sewage pipe 22 away from the connecting pipe 23. The connecting port 124 is located on the side of the fixed bracket 12 to accommodate the inclined sewage pipe 22.

[0047] One of the fixed bracket 12 and the filter box 32 is provided with an elastic buckle 323, and the other has a buckle groove 125. The elastic buckle 323 is engaged in the buckle groove 125, thereby connecting the fixed bracket 12 and the filter box 32. Specifically, in one embodiment, the fixed bracket 12 has a buckle groove 125, and the top of the filter box 32 is provided with an elastic buckle 323, which is inserted into the buckle groove 125. To ensure the reliability of the connection, the top of the filter box 32 is provided with two elastic buckles 323, which are located on both sides of the fixed bracket 12. The fixed bracket 12 is provided with two corresponding buckle grooves 125, and the two buckle grooves 125 and the two elastic buckles 323 are inserted one-to-one. The snap-fit ​​structure does not require screws for connection, is easy to disassemble and assemble, and facilitates maintenance of the sewage pump 21.

[0048] This utility model embodiment also provides a sweeping robot device, which includes an automatic wastewater discharge tank as described in any of the above embodiments. The sweeping robot device also includes an automatic cleaning device and a working base station. The automatic wastewater discharge tank is disposed on the automatic cleaning device. The wastewater tank 1 of the automatic wastewater discharge tank is used to hold the working wastewater of the automatic cleaning device. The connecting pipe 23 of the automatic wastewater discharge tank is configured to be detachably connected to the working base station. A fixed bracket 12 is provided at the bottom of the receiving cavity 11 of the automatic wastewater discharge tank. The sewage pump 21 is detachably connected to the fixed bracket 12. The inlet of the sewage pump 21 faces the bottom of the receiving cavity 11. The sewage pump 21 draws the wastewater contained in the receiving cavity 11 and discharges it to the working base station through the sewage pipe 22 and the connecting pipe 23. This eliminates the need for operators to manually empty the wastewater and avoids direct contact with pollutants. Because the inlet of the sewage pump 21 faces the bottom of the receiving cavity 11, sewage enters the sewage pump 21 directly through the inlet without needing to be transported upwards through pipelines. This ensures that the sewage pump 21 can minimize sewage residue at the end of the sewage discharge process, improve the emptying rate, and avoid problems such as bacterial growth and odor caused by residual sewage fermentation in the sewage tank 1, thus improving the user experience. Moreover, during operation, the inlet of the sewage pump 21 is always submerged below the sewage surface, preventing the possibility of air mixing into the sewage pump 21 during pipeline transmission, reducing cavitation phenomena, ensuring the operational reliability of the sewage pump 21, and avoiding problems such as decreased pumping efficiency, increased operating noise, or even damage to the sewage pump 21. The connecting pipe 23 located at the top of the sewage tank 1 facilitates docking with the work station. Sewage pumped to a higher position can be discharged with gravity assistance, improving the cleaning efficiency of the sweeping robot and reducing downtime.

[0049] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. An automatic sewage discharge tank, characterized in that, include: A sewage tank (1) has a receiving cavity (11) inside, the receiving cavity (11) is used to hold sewage, and a fixed support (12) is provided at the bottom of the receiving cavity (11); The discharge assembly (2) includes a sewage pump (21), a sewage pipe (22), and a connecting pipe (23). The sewage pump (21) is detachably connected to the fixed bracket (12), and the inlet of the sewage pump (21) faces the bottom of the receiving cavity (11). The connecting pipe (23) is located on the top of the sewage tank (1) and is configured to be detachably connected to the working base station. The two ends of the sewage pipe (22) are respectively connected to the connecting pipe (23) and the outlet of the sewage pump (21).

2. The automatic sewage discharge tank according to claim 1, characterized in that, The automatic sewage discharge tank is also equipped with a level detection device, which is communicatively connected to the sewage pump (21). The level detection device is configured to detect the maximum sewage depth; and / or, Along the width direction of the sewage tank (1), the connecting pipe (23) and the sewage pump (21) are respectively disposed on both sides of the receiving cavity (11), and the sewage pipe (22) is arranged inclined from bottom to top; and / or, The bottom wall of the sewage tank (1) extends at an angle to form a lower end and a higher end that are arranged opposite to each other, and the fixed bracket (12) is arranged at the lower end.

3. The automatic sewage discharge tank according to claim 1, characterized in that, The automatic sewage discharge tank also includes a filter assembly (3), which is located at the inlet of the sewage pump (21) and is used to filter the sewage entering the sewage pump (21).

4. The automatic sewage discharge tank according to claim 3, characterized in that, The filter assembly (3) includes a filter cotton (31) and a filter box (32). The filter box (32) is detachably connected to the sewage tank (1). The filter box (32) has a filter cavity, and the filter cotton (31) is disposed in the filter cavity.

5. The automatic sewage discharge tank according to claim 4, characterized in that, The filter box (32) has a filter port (321) on its top wall and multiple water inlets (322) on its box wall. The filter port (321) and the water inlets (322) are both connected to the filter chamber. The filter box (32) is connected to the bottom plate of the sewage tank (1). The sewage pump (21) is located above the filter box (32) and the inlet of the sewage pump (21) is connected to the filter port (321).

6. The automatic sewage discharge tank according to claim 5, characterized in that, The fixed bracket (12) is detachably connected to the filter box (32). The fixed bracket (12) has a mounting groove (121) which is connected to the filter port (321). The sewage pump (21) is located in the mounting groove (121).

7. The automatic sewage discharge tank according to claim 6, characterized in that, The fixed bracket (12) includes a frame (122) and a top cover (123). The frame (122) is detachably connected to the filter box (32). The mounting groove (121) is disposed in the frame (122). The top cover (123) is detachably connected to the frame (122). The top cover (123) covers the sewage pump (21) and closes the opening of the mounting groove (121).

8. The automatic sewage discharge tank according to claim 6, characterized in that, The fixed bracket (12) is also provided with a connecting port (124), which is connected to the mounting groove (121). A sewage pipe connector (211) is provided at the outlet of the sewage pump (21). The sewage pipe connector (211) passes through the connecting port (124) and is used to connect the other end of the sewage pipe (22) away from the connecting pipe connector (23).

9. The automatic sewage discharge tank according to claim 6, characterized in that, One of the fixed bracket (12) and the filter box (32) is provided with an elastic buckle (323), and the other is provided with a buckle groove (125). The elastic buckle (323) is engaged in the buckle groove (125).

10. A robotic vacuum cleaner, characterized in that, The sweeping robot device includes an automatic wastewater discharge tank as described in any one of claims 1-9, and further includes an automatic cleaning device and a working base station. The automatic wastewater discharge tank is disposed on the automatic cleaning device. The wastewater tank (1) of the automatic wastewater discharge tank is used to hold the working wastewater of the automatic cleaning device. The connecting pipe (23) of the automatic wastewater discharge tank is configured to be detachably connected to the working base station.

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