Sewage storage structure of a sewage tank of a scrubber
By incorporating an upper cover, a lower cover, and a filter assembly into the wastewater tank of the floor scrubber, the separation and storage of wastewater are achieved using a first filter plate and elastic components, thus solving the problems of wastewater backflow and splashing and improving the separation effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO HAOJIA ELECTRICAL APPLIANCES CO LTD
- Filing Date
- 2025-04-30
- Publication Date
- 2026-06-16
AI Technical Summary
Existing floor scrubber wastewater tanks lack effective wastewater isolation design, leading to problems such as wastewater backflow and wastewater splashing.
The wastewater storage structure includes an upper cover, a lower cover, and a filter assembly. Through the design of the first filter plate and elastic components, it achieves effective separation and storage of wastewater and prevents wastewater backflow.
It effectively prevents sewage backflow and suction spraying, improves the separation effect of solid waste and sewage, and ensures that sewage is stably stored at the bottom of the cover.
Smart Images
Figure CN224357538U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of floor scrubbers, and in particular to a wastewater storage structure for a wastewater tank of a floor scrubber. Background Technology
[0002] With the development of technology and people's increasing demands for quality of life, smart homes are gradually appearing in people's daily lives. Among them, household floor scrubbers and cleaning robots are becoming increasingly popular as alternatives to mopping and brooms. Currently, cleaning equipment such as floor scrubbers and cleaning robots wet the floor or the cleaning device during the cleaning process, and then collect the generated dirt (including solid and liquid waste) into a wastewater tank.
[0003] Some existing floor scrubbers can be used lying down, but the wastewater tank is not properly separated from the wastewater. This causes a large amount of wastewater to flow back into the floor when the floor scrubber is used lying down, or causes wastewater to splash everywhere during suction and spraying. Utility Model Content
[0004] To prevent the problem of sewage backflow, this application provides a sewage storage structure for the sewage tank of a floor scrubber.
[0005] The wastewater storage structure of the floor scrubbing machine wastewater tank provided in this application adopts the following technical solution:
[0006] include:
[0007] The top cover has an air inlet;
[0008] The lower cover is located at the lower end of the upper cover, and a sewage pipe that connects to the outside is installed inside the lower cover;
[0009] The filter assembly is used to separate wastewater and solid waste inside the lower cover;
[0010] The filter assembly includes a bracket, a first filter plate fixed on the bracket, a return plate sleeved on the outer wall of the sewage pipe and connected at one end to the bracket, and a baffle plate on the return plate. The first filter plate is provided with a plurality of first filter holes. The return plate is located at the lower end of the first filter plate and is provided with a first through groove. The baffle plate is provided with an elastic part for opening or closing the first through groove. The projected area of the elastic part is the same as the projected area of the first through groove. The elastic part is located on the bottom side of the lower cover.
[0011] By adopting the above technical solution, sewage enters the lower cover from the upper end of the sewage pipe. The solid waste in the sewage is separated by the first filter plate, while the sewage and air flow to the bottom of the lower cover. The sewage impacts the elastic part, opening the first channel, which facilitates the temporary storage of sewage in the bottom of the lower cover. When the lower cover is laid down, the sewage backflows. Due to the action of the elastic part, the elastic part can only open in one direction, thereby making the baffle plate seal the first channel more tightly, thus preventing the sewage from backflowing.
[0012] In one possible implementation, the filter assembly further includes baffles connected to the bracket and the first filter plate respectively; when the baffle is inserted into the lower cover, the baffle abuts against the outer wall of the sewage pipe and divides the upper end of the lower cover into two chambers, with the sewage pipe and the first filter plate located together in one of the chambers, and the air inlet communicating with the other chamber.
[0013] In one possible implementation, the filter assembly further includes a second filter plate sleeved on the outer wall of the sewage pipe. One end of the second filter plate is fixedly connected to the bracket. The second filter plate is located at the lower end of the first filter plate. The second filter plate is provided with a plurality of second filter holes, the diameter of which is smaller than the diameter of the first filter holes.
[0014] In one possible implementation, the reflux plate is provided with a connecting post, one end of which is connected to the second filter plate, and the reflux plate and the second filter plate are connected to form a reflux cavity.
[0015] In one possible implementation, the bottom of the reflux plate is configured as an inclined section.
[0016] In one possible implementation, a second through groove is provided on the inclined portion. The diameter of the second through groove is larger than that of the first through groove, and the second through groove is located at the lower part of the inclined portion, while the first through groove is located at the higher part of the inclined portion.
[0017] In one possible implementation, the second filter plate is provided with a first slot, and the return plate is provided with a first block that is inserted into the first slot.
[0018] In one possible implementation, the second filter plate is provided with a second slot, and the return plate is provided with a second block that is inserted into the second slot.
[0019] In one possible implementation, the second filter plate has a first groove and a second groove, and a first sealing ring and a second sealing ring are installed in both the first groove and the second groove. The first sealing ring is sleeved on the outer wall of the sewage pipe and is tightly fitted to the outer wall of the sewage pipe, and the outer wall of the second sealing ring is tightly fitted to the inner wall of the lower cover.
[0020] In one possible implementation, the wastewater storage structure of the floor scrubber's wastewater tank also includes a water level probe for detecting the depth of the wastewater level inside the lower cover.
[0021] In summary, this application includes the following beneficial technical effects: When the sewage tank is in operation while lying down, sewage, garbage, and gas enter from the sewage pipe. The garbage is separated by the first filter plate, while the sewage, gas, and a small amount of garbage flow to the bottom of the lower cover. The remaining garbage is separated again by the second filter plate, thereby improving the separation effect of solid garbage and sewage. Due to the gravity of the sewage, the elastic part on the baffle is pushed open, opening the first channel, allowing the sewage to smoothly enter the bottom of the lower cover. The gas is carried away by the suction motor through the air inlet. Because the elastic part can only open in one direction, when the sewage rushes upward, it will tightly adhere the elastic part of the baffle to the first channel, completely sealing the first channel. This securely locks the sewage in the space at the bottom of the lower cover, completely preventing sewage backflow and suction spray problems. Attached Figure Description
[0022] Figure 1 This is an overall schematic diagram based on an embodiment of this application;
[0023] Figure 2 This is a cross-sectional schematic diagram of an embodiment, mainly showing the filtering components;
[0024] Figure 3 yes Figure 2 An enlarged schematic diagram of part A;
[0025] Figure 4 This is an exploded view of an embodiment.
[0026] Reference numerals: 1. Top cover; 2. Bottom cover; 3. Water level probe; 4. Air inlet; 5. Sewage pipe; 6. Support; 7. First filter plate; 8. Return plate; 9. Baffle; 10. First filter hole; 11. First through groove; 12. Elastic part; 13. Baffle; 14. Second filter plate; 15. Second filter hole; 16. Connecting column; 17. Inclined part; 18. Second through groove; 19. First slot; 20. First locking block; 21. Second slot; 22. Second locking block; 23. First groove; 24. Second groove; 25. First sealing ring; 26. Second sealing ring. Detailed Implementation
[0027] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.
[0028] First, those skilled in the art should understand that these embodiments are merely used to explain the technical principles of the embodiments of this application and are not intended to limit the scope of protection of the embodiments of this application. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.
[0029] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" 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. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.
[0030] In the embodiments of this application, unless otherwise expressly 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.
[0031] Reference Figure 1-4The wastewater storage structure of the floor scrubber's wastewater tank includes an upper cover 1, a lower cover 2, a water level probe 3, and a filter assembly. The upper cover 1 is snapped onto the lower cover 2. A suction motor is installed on the upper cover 1, and an air inlet 4 is provided on the upper cover 1, which is connected to the interior of the lower cover 2. A wastewater pipe 5, which is connected to the outside, is provided inside the lower cover 2. The water level probe 3 is installed on the upper cover 1, with one end extending into the interior of the lower cover 2, and is used to detect the depth of the wastewater level inside the lower cover 2. The water level probe 3 is existing technology and can be of models such as CPR39, WE-SP1989, or WE-S2-G2. The filter assembly includes a support 6, a first filter plate 7, a return plate 8, and a baffle 9. The support 6 is fixedly mounted on the upper cover 1, and the first filter plate 7 is fixedly mounted on the support 6. The first filter plate 7 has a plurality of first filter holes 10. The return plate 8 is sleeved on the outer wall of the sewage pipe 5, and one end of the return plate 8 is fixedly connected to the support 6. The return plate 8 is located at the lower end of the first filter plate 7, and one end of the baffle 9 is snapped onto the return plate 8. The return plate 8 has a first through groove 11, and the baffle 9 has an elastic part 12 for opening or closing the first through groove 11. The projected area of the elastic part 12 is larger than the projected area of the first through groove 11. The elastic part 12 is located on one side of the bottom of the lower cover 2, so that the elastic part 12 opens and closes the first through groove 11 in one direction. Wastewater enters the lower cover 2 from the upper end of the wastewater pipe 5. Solid waste is separated from the wastewater by the first filter plate 7, while wastewater and air flow towards the bottom of the lower cover 2. The wastewater impacts the elastic part 12, opening the first channel 11 to temporarily store the wastewater at the bottom of the lower cover 2. When the lower cover 2 is tilted down, the wastewater backflows. Due to the action of the elastic part 12, it can only open in one direction, thus making the baffle 9 seal the first channel 11 more tightly, preventing wastewater from flowing back in. Air is drawn away by the suction motor through the air inlet 4.
[0032] The filter assembly also includes a baffle 13 and a second filter plate 14. The baffle 13 is connected at both ends to the bracket 6 and the first filter plate 7, respectively. The baffle 13 abuts against the outer wall of the sewage pipe 5, sealing it tightly. Therefore, the baffle 13 divides the upper end of the lower cover 2 into two chambers. The sewage pipe 5 and the first filter plate 7 are located together in one chamber, and the air inlet 4 communicates with the other chamber. The second filter plate 14 is fitted onto the outer wall of the sewage pipe 5. One end of the second filter plate 14 is fixedly connected to the bracket 6. The second filter plate 14 is located below the first filter plate 7 and has several second filter holes 15, the diameter of which is smaller than the diameter of the first filter holes 10. This further separates solid waste and sewage.
[0033] The return plate 8 is equipped with a connecting post 16, one end of which is connected to the second filter plate 14. The return plate 8 and the second filter plate 14 are connected to form a return cavity. The bottom of the return plate 8 is constructed as an inclined portion 17. A second through groove 18 is formed on the inclined portion 17. The diameter of the second through groove 18 is larger than the diameter of the first through groove 11, and the second through groove 18 is located at the lower part of the inclined portion 17, while the first through groove 11 is located at the higher part of the inclined portion 17. Through the action of the second through groove 18, when the sewage volume is large, the sewage can be introduced to the bottom of the lower cover 2 through the second through groove 18. When the lower cover 2 is tilted down, the sewage can flow back due to the action of the inclined portion 17.
[0034] The second filter plate 14 is provided with a first slot 19, the return plate 8 is provided with a first block 20 inserted into the first slot 19, the second filter plate 14 is provided with a second slot 21, and the return plate 8 is provided with a second block 22 inserted into the second slot 21.
[0035] The second filter plate 14 has a first groove 23 and a second groove 24. A first sealing ring 25 and a second sealing ring 26 are installed in both the first groove 23 and the second groove 24. The first sealing ring 25 is sleeved on the outer wall of the sewage pipe 5 and is tightly fitted to the outer wall of the sewage pipe 5. The outer wall of the second sealing ring 26 is tightly fitted to the inner wall of the lower cover 2.
[0036] like Figure 2 As shown by the middle arrow, the specific operation process is as follows: When the sewage tank is tilted and operating, sewage, garbage, and gas enter from the sewage pipe 5. The garbage is separated by the first filter plate 7, while the sewage, gas, and a small amount of garbage flow to the bottom of the lower cover 2. The remaining garbage is separated again by the second filter plate 14, thereby improving the separation effect of solid garbage and sewage. Due to the gravity of the sewage, the elastic part 12 on the baffle 9 is pushed open, opening the first channel 11, allowing the sewage to smoothly enter the bottom of the lower cover 2. The gas is carried away by the suction motor through the air inlet 4. Because the elastic part 12 can only open in one direction, when the sewage rushes upward, it will tightly adhere the elastic part 12 of the baffle 9 to the first channel 11, completely sealing the first channel 11. This locks the sewage firmly in the space at the bottom of the lower cover 2, completely preventing sewage backflow and suction spray problems.
[0037] In the description of the embodiments of this application, it should be noted that the terms "inner" and "outer" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings. This is only for the convenience of description and does not indicate or imply that the device or component must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this application.
[0038] In the description of this application, the references to terms such as "an embodiment," "some embodiments," "in this embodiment," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. 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 a suitable manner in any 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.
[0039] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.
Claims
1. A wastewater storage structure for a floor scrubber's wastewater tank, characterized in that: include: The top cover (1) is equipped with an air inlet (4); The lower cover (2) is located at the lower end of the upper cover (1), and the lower cover (2) is provided with a sewage pipe (5) that communicates with the outside. A filter assembly for separating sewage and solid waste inside the lower cover (2); The filter assembly includes a bracket (6), a first filter plate (7) fixed on the bracket (6), a return plate (8) sleeved on the outer wall of the sewage pipe (5) and connected at one end to the bracket (6), and a baffle (9) provided on the return plate (8); the first filter plate (7) is provided with a plurality of first filter holes (10), the return plate (8) is located at the lower end of the first filter plate (7), the return plate (8) is provided with a first through groove (11), and the baffle (9) is provided with an elastic part (12) for opening or closing the first through groove (11), the projected area of the elastic part (12) is larger than the projected area of the first through groove (11), and the elastic part (12) is located on the bottom side of the lower cover (2).
2. The wastewater storage structure of the floor scrubber wastewater tank according to claim 1, characterized in that: The filter assembly also includes a baffle (13) connected to the bracket (6) and the first filter plate (7) respectively; when the baffle (13) is inserted into the lower cover (2), the baffle (13) abuts against the outer wall of the sewage pipe (5) and divides the upper end of the lower cover (2) into two chambers, the sewage pipe (5) and the first filter plate (7) are located together in one of the chambers, and the air inlet (4) is connected to the other chamber.
3. The wastewater storage structure of the floor scrubber wastewater tank according to claim 1, characterized in that: The filter assembly further includes a second filter plate (14) sleeved on the outer wall of the sewage pipe (5). One end of the second filter plate (14) is fixedly connected to the bracket (6). The second filter plate (14) is located at the lower end of the first filter plate (7). The second filter plate (14) is provided with a plurality of second filter holes (15). The diameter of the second filter hole (15) is smaller than the diameter of the first filter hole (10).
4. The wastewater storage structure of the floor scrubber wastewater tank according to claim 3, characterized in that: The reflux plate (8) is provided with a connecting post (16), one end of which is connected to the second filter plate (14), and the reflux plate (8) and the second filter plate (14) are connected to form a reflux cavity.
5. The wastewater storage structure of the floor scrubber wastewater tank according to claim 4, characterized in that: The bottom of the reflux plate (8) is constructed as an inclined section (17).
6. The wastewater storage structure of the floor scrubber wastewater tank according to claim 5, characterized in that: A second through groove (18) is provided on the inclined portion (17). The diameter of the second through groove (18) is larger than the diameter of the first through groove (11). The second through groove (18) is located at the lower part of the inclined portion (17), and the first through groove (11) is located at the higher part of the inclined portion (17).
7. The wastewater storage structure of the floor scrubber wastewater tank according to claim 4, characterized in that: The second filter plate (14) is provided with a first slot (19), and the return plate (8) is provided with a first block (20) that is inserted into the first slot (19).
8. The wastewater storage structure of the floor scrubber wastewater tank according to claim 4, characterized in that: The second filter plate (14) is provided with a second slot (21), and the return plate (8) is provided with a second block (22) that is inserted into the second slot (21).
9. The wastewater storage structure of the floor scrubber wastewater tank according to claim 3, characterized in that: The second filter plate (14) has a first groove (23) and a second groove (24). A first sealing ring (25) and a second sealing ring (26) are installed in the first groove (23) and the second groove (24). The first sealing ring (25) is sleeved on the outer wall of the sewage pipe (5) and is tightly fitted to the outer wall of the sewage pipe (5). The outer wall of the second sealing ring (26) is tightly fitted to the inner wall of the lower cover (2).
10. The wastewater storage structure of the floor scrubber wastewater tank according to claim 1, characterized in that: The wastewater storage structure of the floor scrubber's wastewater tank also includes a water level probe (3) for detecting the depth of the wastewater in the lower cover (2).