Drainage device with water-saving function
By designing a drainage device that includes a filter and a water pump, the problem of direct discharge of household wastewater is solved, and the purification and reuse of wastewater are realized, reducing water waste and the formation of dirt.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YILI NORMAL UNIV
- Filing Date
- 2025-05-14
- Publication Date
- 2026-04-28
AI Technical Summary
Wastewater generated in daily life is often discharged directly into the sewer pipes, which is not easy to reuse and leads to waste of water resources.
Design a drainage device that includes a filter section, a water container, and a water pump. The filter section purifies the wastewater and stores it in the water container, while the water pump delivers the purified water to the water usage location for reuse.
It achieves wastewater purification and storage, enabling the reuse of purified water, reducing water waste and minimizing fouling.
Smart Images

Figure CN224173445U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of drainage equipment technology, and specifically to a drainage device with water-saving function. Background Technology
[0002] With the increasing consumption of domestic water and the growing scarcity of water resources, water conservation has become an urgent task. Statistics show that household water use accounts for more than 60% of total urban water consumption. This means that a large amount of water is used and a significant amount of wastewater is generated in daily life, such as when washing vegetables, brushing teeth, and doing laundry. Currently, wastewater generated in households is often directly discharged into the sewer system, making it inconvenient to reuse it. Utility Model Content
[0003] In view of this, the purpose of this utility model is to provide a drainage device with water-saving function to solve the technical problem that wastewater generated in people's daily lives is often directly discharged into the sewer pipe, making it inconvenient to reuse this wastewater.
[0004] This utility model is achieved through the following technical solution:
[0005] A water-saving drainage device includes a filter section, a water container, and a water pump. The filter section has an inlet for water to enter and an outlet for water to exit. The filter section is used to filter the water flowing through it. The water container is hollow inside and open at the top. The water container is used to hold the water discharged through the outlet. The water pump is used to pump the water in the water container to the water usage location.
[0006] Furthermore, the filter is located inside the water container.
[0007] Furthermore, it also includes a first water pipe and a second water pipe. One end of the first water pipe is connected to the inner cavity of the water container and the other end is connected to the inlet of the water pump. One end of the second water pipe is connected to the outlet of the water pump and the other end is used to extend to the water usage location.
[0008] Furthermore, it also includes a filter disposed on the first water pipe, the filter being used to filter water flowing from one end of the first water pipe to the other end of the first water pipe.
[0009] Furthermore, the filtration unit includes a screw cap, a cylinder, a fixing plate, and a filter element. The opening of the screw cap faces downward, and an internal thread is formed inside the screw cap. The upper end of the cylinder is provided with an external thread, and the upper end of the cylinder is threadedly connected to the inside of the screw cap. The fixing plate is fixed in the inner cavity of the lower end of the cylinder. The filter element is slidably fitted inside the cylinder. The filter element is used to filter water flowing through the cylinder along the axial direction of the cylinder.
[0010] The water inlet is formed on the upper wall of the screw cap, and the drain outlet is formed on the fixing plate.
[0011] Furthermore, the filter element includes a gauze layer, a quartz sand layer, an activated carbon layer, and a filter cotton layer arranged from top to bottom.
[0012] Furthermore, the filter element also includes a tube body and multiple circular plates. The tube body and multiple circular plates are all located inside the cylinder. The circular plates cooperate with the inner cavity of the cylinder. The multiple circular plates are all located on the lower side of the tube body and are arranged in a staggered manner from top to bottom. Each pair of adjacent circular plates is fixedly connected by a pull rope. The upper side of the topmost circular plate is fixedly connected to the lower end of the tube body. Multiple first mesh holes are formed on the topmost circular plate. The multiple first mesh holes are located within the area enclosed by the lower edge of the tube body. Multiple second mesh holes are formed on the remaining circular plates.
[0013] The gauze layer includes gauze that is detachably fixed to the tube body and seals the upper end of the tube body; the quartz sand layer consists of quartz sand particles filled between two adjacent circular plates; the activated carbon layer consists of activated carbon particles filled between two other adjacent circular plates; and the filter cotton layer consists of filter cotton filled between two other adjacent circular plates.
[0014] Furthermore, the filter element also includes a first conical tube and a ring. The large end of the first conical tube faces downward. Both the first conical tube and the ring are located inside the cylinder. The ring is located below the first conical tube and is fixedly connected to the first conical tube.
[0015] The tube body includes a second tapered tube and a round tube. The large end of the second tapered tube faces downward and is inserted into the first tapered tube. The upper end of the round tube is directly opposite and fixed to the lower end of the second tapered tube. An external thread is formed on the outer circumferential surface of the round tube, and an internal thread is formed inside the ring. The ring is threadedly connected to the round tube.
[0016] The middle part of the gauze closes the upper opening of the second conical tube, and the edge of the gauze is located between the first conical tube and the second conical tube.
[0017] Furthermore, the bottom of the water container is provided with a drain pipe, and a valve is installed on the drain pipe.
[0018] The beneficial effects of this utility model are as follows:
[0019] The water-saving drainage device of this invention can purify and store wastewater, and can also pump the stored water to the point of use for reuse. The water is then discharged from the point of use into the sewer pipe, thus achieving the purpose of drainage. Furthermore, the water-saving drainage device of this invention facilitates the reuse of water during the drainage process, thereby conserving water resources.
[0020] Other advantages, objectives, and features of this invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination and study, or may be learned from practice of this invention. The objectives and other advantages of this invention can be realized and obtained through the following description. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the drainage device with water-saving function according to this utility model;
[0022] Figure 2 This is a top view of the filter section in the water-saving drainage device of this utility model;
[0023] Figure 3 for Figure 2 AA section view;
[0024] Figure 4 for Figure 3 Enlarged view of 'a' in the middle;
[0025] Figure 5 This is a diagram showing the usage state of the drainage device with water-saving function of this utility model.
[0026] In the diagram: Water container-1; Water pump-2; Inlet-3; Drain-4; Washbasin-5; Second water pipe-6; Filter-7; First pipe section-8; Second pipe section-9; Screw cap-10; Cylinder-11; Fixing plate-12; Circular plate-13; Pull rope-14; First mesh-15; Second mesh-16; Gauze-17; Quartz sand particles-18; Activated carbon particles-19; Filter cotton-20; First conical tube-21; Ring-22; Second conical tube-23; Circular tube-24; Connecting rod-25; Drain pipe-26; Valve-27. Detailed Implementation
[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0029] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0030] In the above description of this utility model, it should be noted that the terms "one side," "the other side," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model and 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. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0031] Furthermore, terms such as "identical" do not imply that components must be absolutely identical; minor differences are permissible. The term "perpendicular" simply means that the positional relationship between components is more perpendicular than "parallel," not that the structure must be perfectly perpendicular; a slight tilt is acceptable.
[0032] Please see Figures 1-5 This utility model provides a technical solution: a drainage device with water-saving function, including a filter section, a water container 1, and a water pump 2. The filter section has an inlet 3 for water to enter its interior and a drain outlet 4 for water to exit its interior. The filter section is used to filter the water flowing through its interior. The water container 1 has a hollow interior and an open top structure. The water container 1 is used to contain the water discharged through the drain outlet 4. The water pump 2 can be a water pump of model APsm37AE. The water pump 2 is used to pump the water in the water container 1 to the water usage location.
[0033] Before using the water-saving drainage device described in this utility model, connect the inlet 3 of the filter section to the location where wastewater will be generated through a pipe, and then connect the outlet of the water pump 2 to the location where water is used through another pipe.
[0034] In this embodiment, the location where wastewater is generated is the washbasin 5. Specifically, when connecting the inlet 3 of the filter unit to the washbasin 5 via the pipe, the inlet 3 of the filter unit is connected to the drain of the washbasin 5 via the pipe. In other embodiments, the location where wastewater is generated can also be a vegetable washing basin or a laundry tub. When connecting the inlet 3 of the filter unit to the vegetable washing basin or laundry tub, the inlet 3 of the filter unit is connected to the drain pipe 26 of the vegetable washing basin or laundry tub.
[0035] In this embodiment, the water usage location is a toilet tank (not shown in the figure). When connecting the outlet of the water pump 2 to the toilet tank through the other pipe, the outlet of the water pump 2 is also connected to the inlet of the toilet tank through the other pipe. It can be understood that in other embodiments, the water usage location can also be a squat toilet tank. In this case, when connecting the outlet of the water pump 2 to the squat toilet tank through the other pipe, the outlet of the water pump 2 is also connected to the inlet of the squat toilet tank through the other pipe.
[0036] When using the water-saving drainage device described in this utility model, wastewater generated during washing sequentially enters the filter section through the drain of the washbasin 5, the pipe, and the inlet 3, and then exits through the drain outlet 4. During the flow of wastewater through the filter section, the filter section filters the wastewater, ensuring that the water discharged from the drain outlet 4 is relatively clean. During drainage from the drain outlet 4, the water container 1 holds and stores the relatively clean water discharged from the drain outlet 4. After the water in the toilet tank is drained, the water pump 2 can be activated to pump the water from the water container 1 to the toilet tank. When flushing the toilet with the water from the toilet tank, the water flows through the toilet into the house's sewer system.
[0037] The water-saving drainage device of this invention can purify and store wastewater, and can also pump the stored water to the water usage location for reuse. The water is then discharged from the water usage location into the sewer pipe, thus achieving the purpose of drainage. Furthermore, the water-saving drainage device of this invention facilitates water reuse during the drainage process, saving water resources. The filter section filters the water, ensuring that the water entering the water container 1 and the toilet tank is relatively clean, reducing the amount of dirt formed on the side walls of the water container 1 and inside the toilet tank.
[0038] In this embodiment, the water container 1 is a square water tank with an open top. It can be understood that in other embodiments, the water container 1 can also be other structural forms, such as a cylindrical water tank with an open top.
[0039] In this embodiment, the filter section is located inside the water container 1. By placing the filter section inside the water container 1, the structure of the water-saving drainage device of this utility model is compact, so that the filter section can only occupy the space inside the water container 1, and will not occupy the space outside the water container 1.
[0040] In this embodiment, the water-saving drainage device of the present invention further includes a first water pipe and a second water pipe 6. One end of the first water pipe is connected to the inner cavity of the water container 1, and the other end is connected to the inlet of the water pump 2. One end of the second water pipe 6 is connected to the outlet of the water pump 2, and the other end is extended to the water usage location. Specifically, the other end of the second water pipe 6 is extended to the toilet tank.
[0041] When installing the water-saving drainage device of this utility model, the other end of the second water pipe 6 is fixedly connected to the inlet of the toilet tank.
[0042] When the water pump 2 is started, the water in the water container 1 flows sequentially through the first water pipe, the inside of the water pump 2, and the second water pipe 6 before entering the toilet tank. With this structure, the water pump 2 can pump the water in the water container 1 to the toilet tank, and thus deliver the water in the water container 1 to the water usage location.
[0043] In this embodiment, the drainage device with water-saving function of the present invention further includes a filter 7, which may be a filter of model NW340. The filter 7 is disposed on the first water pipe and is used to filter the water flowing from one end of the first water pipe to the other end of the first water pipe.
[0044] During the process of pumping water from water container 1 to the water usage location by pump 2, that is, during the process of pumping water from water container 1 to the toilet tank by pump 2, filter 7 can filter the water again, making the water entering the toilet tank cleaner and further reducing the dirt formed inside the toilet tank by wastewater.
[0045] In this embodiment, the first water pipe includes a first pipe section 8 and a second pipe section 9. One end of the first pipe section 8 is connected to the inner cavity of the water container 1, and the other end is connected to the inlet of the filter 7. One end of the second pipe section 9 is connected to the outlet of the filter 7, and the other end is connected to the inlet of the water pump 2. After the water pump 2 is started, the water in the water container 1 can flow through the first pipe section 8, the filter 7, and the second pipe section 9 in sequence before entering the water pump 2. The filter 7 can thus filter the water flowing from one end of the first water pipe to the other end of the first water pipe.
[0046] In this embodiment, the filtration unit includes a screw cap 10, a cylinder 11, a fixing plate 12, and a filter element. The opening of the screw cap 10 faces downward, and an internal thread is formed inside the screw cap 10. The upper end of the cylinder 11 is provided with an external thread, and the upper end of the cylinder 11 is threadedly connected to the screw cap 10. The fixing plate 12 is fixed in the inner cavity of the lower end of the cylinder 11. The filter element is slidably fitted inside the cylinder 11. The filter element is used to filter the water flowing through the cylinder 11 along the axial direction of the cylinder 11.
[0047] The water inlet 3 is formed on the upper wall of the cap 10, and the drain outlet 4 is formed on the fixing plate 12.
[0048] When wastewater enters the filter section through the inlet 3, specifically, it enters the cylinder 11 through the inlet 3. After flowing axially through the cylinder 11, the wastewater is discharged through the outlet 4. During this axial flow, the filter element filters the wastewater. With this structure, the filter section 1 can filter the water flowing through it.
[0049] After the filter section has been used for a long time, the cylinder 11 can be unscrewed from the cap 10, and the filter element can be removed from the upper end of the cylinder 11 to replace the filter element.
[0050] In this embodiment, the filter element includes a gauze layer, a quartz sand layer, an activated carbon layer, and a filter cotton layer arranged sequentially from top to bottom. As wastewater flows through the cylinder 11 along its axial direction, the gauze layer, the quartz sand layer, the activated carbon layer, and the filter cotton layer sequentially filter the wastewater, resulting in a better filtration effect.
[0051] In this embodiment, the filter element further includes a tube and multiple circular plates 13. The tube and multiple circular plates 13 are all located inside the cylinder 11. The circular plates 13 cooperate with the inner cavity of the cylinder 11. The multiple circular plates 13 are all located on the lower side of the tube and are arranged sequentially from top to bottom at intervals. Each pair of adjacent circular plates 13 are fixedly connected by a pull rope 14. The pull rope can be a rubber rope. The upper side of the topmost circular plate 13 is fixedly connected to the lower end of the tube. Multiple first mesh holes 15 are formed on the topmost circular plate 13. The multiple first mesh holes 15 are located within the area enclosed by the lower edge of the tube. Multiple second mesh holes 16 are formed on the remaining circular plates 13.
[0052] The gauze layer includes gauze 17 that is detachably fixed to the tube body and seals the upper end of the tube body; the quartz sand layer consists of quartz sand particles 18 that are filled between two adjacent circular plates 13; the activated carbon layer consists of activated carbon particles 19 that are filled between two other adjacent circular plates 13; and the filter cotton layer consists of filter cotton 20 that is filled between two other adjacent circular plates 13.
[0053] The size of the first mesh 15 and the second mesh 16 is smaller than the size of the quartz sand particles 18, so that the quartz sand particles 18 cannot pass through the first mesh 15 and the second mesh 16; the size of the second mesh 16 is smaller than the size of the activated carbon particles 19, so that the activated carbon particles 19 cannot pass through the second mesh 16.
[0054] As the wastewater flows along the axial direction of the cylinder 11, the wastewater entering the upper end of the cylinder 11 from the inlet 3 flows sequentially through the gauze 17, the pipe body, the first mesh 15, the quartz sand layer, the second mesh 16 on the circular plate 13 between the quartz sand layer and the activated carbon layer, the activated carbon layer, the second mesh 16 on the circular plate 13 between the activated carbon layer and the filter cotton layer, the filter cotton layer, and the second mesh 16 on the circular plate 13 located below the filter cotton layer, and then exits from the drain outlet 4 on the fixed plate 12.
[0055] After unscrewing the cylinder 11 from the cap 10, the tube body is moved upwards. This allows multiple circular plates 13 to be moved out of the cylinder 11, and the gauze 17, quartz sand particles 18, activated carbon particles 19, and filter cotton 20 can all be removed from the cylinder 11. Then, the gauze 17 is removed from the tube body, and the quartz sand particles 18, activated carbon particles 19, and filter cotton 20 are removed from between their respective circular plates 13.
[0056] Then, a new gauze 17 is reattached to the tube body, and the new gauze 17 seals the upper end of the tube body. Then, the multiple circular plates 13 and the tube body are sequentially placed back into the cylinder 11. In each pair of adjacent circular plates 13, after one circular plate 13 enters the cylinder 11 and before the other circular plate 13 enters, a corresponding filter material is placed on the circular plate 13 entering the cylinder 11 through the opening at the upper end of the cylinder 11. Specifically, the filter material placed on a particular circular plate 13 before the filter material is changed is the same type of filter material placed on that circular plate 13 after it enters the cylinder 11.
[0057] After the multiple circular plates 13 and the tube are re-inserted into the cylinder 11 in sequence, and the corresponding filter material is placed on all the circular plates 13 except the topmost circular plate 13, the cylinder 11 is re-threaded onto the cap 10. At this point, the filter element replacement is completed. When replacing the filter element, only the gauze 17, quartz sand particles 18, activated carbon particles 19 and filter cotton 20 need to be replaced. It is not necessary to replace the entire filter element, which can reduce cost waste.
[0058] In this embodiment, the filter element further includes a first conical tube 21 and a ring 22. The large end of the first conical tube 21 faces downward. Both the first conical tube 21 and the ring 22 are located inside the cylinder 11. The ring 22 is located below the first conical tube 21 and is fixedly connected to the first conical tube 21. Specifically, the ring 22 is fixedly connected to the first conical tube 21 through the connecting rod 25.
[0059] The tube body includes a second tapered tube 23 and a round tube 24. The large end of the second tapered tube 23 faces downward and is inserted into the first tapered tube 21. The second tapered tube 23 and the first tapered tube 21 are matched. The upper end of the round tube 24 is directly opposite and fixed to the lower end of the second tapered tube 23. The outer circumferential surface of the round tube 24 is formed with an external thread, and the inner ring 22 is formed with an internal thread. The ring 22 is threadedly connected to the round tube 24.
[0060] The middle part of the gauze 17 closes the upper opening of the second conical tube 23, and the edge of the gauze 17 is located between the first conical tube 21 and the second conical tube 23.
[0061] Since the middle part of the gauze 17 closes the upper opening of the second conical tube 23, the gauze 17 can thus close the upper end of the tube.
[0062] Rotating the ring 22 on the circular tube 24 causes the ring 22 to move upward, which in turn drives the first conical tube 21 to move upward. The gap between the inner surface of the first conical tube 21 and the outer surface of the second conical tube 23 gradually increases, allowing the edge of the gauze 17 to be pulled out from the gap between the first conical tube 21 and the second conical tube 23. At this point, the gauze 17 can be removed from the second conical tube 23, and thus removed from the tube body.
[0063] The upper end of the second conical tube 23 is sealed by the middle part of the gauze 17. Then, the edge of the gauze 17 is placed in the gap between the first conical tube 21 and the second conical tube 23. Then, the ring 22 is rotated on the circular tube 24, causing the ring 22 to move downward. The ring 22 drives the first conical tube 21 to move downward. The gap between the inner surface of the first conical tube 21 and the outer surface of the second conical tube 23 can gradually decrease. The inner surface of the first conical tube 21 and the outer surface of the second conical tube 23 can gradually clamp the edge of the gauze 17 in the middle. At this time, the gauze 17 can be fixed on the second conical tube 23, and the gauze 17 can be fixed on the tube body.
[0064] In this embodiment, the bottom of the water container 1 is provided with a drain pipe 26, and a valve 27 is provided on the drain pipe 26. When installing the water-saving drainage device of this utility model, the drain pipe 26 can be connected to the house's sewer pipe. When the flow rate of water in the water container 1 is slower than the flow rate of water entering the water container 1, that is, when there is too much water in the water container 1, the valve 27 can be opened to discharge some of the water in the water container 1 into the house's sewer pipe.
[0065] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.
Claims
1. A drainage device with water-saving function, characterized in that: The device includes a filter section, a water container, and a water pump. The filter section has an inlet for water to enter and an outlet for water to exit. The filter section is used to filter the water flowing through it. The water container is hollow inside and open at the top. The water container is used to hold the water discharged through the outlet. The water pump is used to pump the water in the water container to the water usage location.
2. The drainage device with water-saving function according to claim 1, characterized in that: The filtration unit is located inside the water container.
3. The drainage device with water-saving function according to claim 1, characterized in that: It also includes a first water pipe and a second water pipe. One end of the first water pipe is connected to the inner cavity of the water container and the other end is connected to the inlet of the water pump. One end of the second water pipe is connected to the outlet of the water pump and the other end is used to extend to the water usage location.
4. The drainage device with water-saving function according to claim 3, characterized in that: It also includes a filter disposed on the first water pipe, the filter being used to filter water flowing from one end of the first water pipe to the other end of the first water pipe.
5. The drainage device with water-saving function according to claim 1, characterized in that: The filtration unit includes a screw cap, a cylinder, a fixing plate, and a filter element. The screw cap has an opening facing downwards and an internal thread. The upper end of the cylinder has an external thread and is threadedly connected to the screw cap. The fixing plate is fixed in the inner cavity of the lower end of the cylinder. The filter element is slidably fitted inside the cylinder and is used to filter water flowing through the cylinder along its axial direction. The water inlet is formed on the upper wall of the screw cap, and the drain outlet is formed on the fixing plate.
6. The drainage device with water-saving function according to claim 5, characterized in that: The filter element comprises, from top to bottom, a gauze layer, a quartz sand layer, an activated carbon layer, and a filter cotton layer.
7. The drainage device with water-saving function according to claim 6, characterized in that: The filter element also includes a tube and multiple circular plates. The tube and multiple circular plates are located inside the cylinder. The circular plates are fitted with the inner cavity of the cylinder. The multiple circular plates are located on the lower side of the tube and are arranged at intervals from top to bottom. Each pair of adjacent circular plates is fixedly connected by a pull rope. The upper side of the topmost circular plate is fixedly connected to the lower end of the tube. Multiple first mesh holes are formed on the topmost circular plate. The multiple first mesh holes are located within the area enclosed by the lower edge of the tube. Multiple second mesh holes are formed on the remaining circular plates. The gauze layer includes gauze that is detachably fixed to the tube body and seals the upper end of the tube body; the quartz sand layer consists of quartz sand particles filled between two adjacent circular plates; the activated carbon layer consists of activated carbon particles filled between two other adjacent circular plates; and the filter cotton layer consists of filter cotton filled between two other adjacent circular plates.
8. The drainage device with water-saving function according to claim 7, characterized in that: The filter element also includes a first conical tube and a ring. The large end of the first conical tube faces downward. Both the first conical tube and the ring are located inside the cylinder. The ring is located below the first conical tube and is fixedly connected to the first conical tube. The tube body includes a second tapered tube and a round tube. The large end of the second tapered tube faces downward and is inserted into the first tapered tube. The upper end of the round tube is directly opposite and fixed to the lower end of the second tapered tube. An external thread is formed on the outer circumferential surface of the round tube, and an internal thread is formed inside the ring. The ring is threadedly connected to the round tube. The middle part of the gauze closes the upper opening of the second conical tube, and the edge of the gauze is located between the first conical tube and the second conical tube.
9. The drainage device with water-saving function according to claim 1, characterized in that: The bottom of the water container is equipped with a drain pipe, and a valve is installed on the drain pipe.