Toilet and drainage system thereof
By introducing a powered drainage device and a backflow preventer into the bathroom drainage system, the problem of poor drainage is solved, ensuring smooth drainage and preventing backflow, thus adapting to the drainage needs of various scenarios.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI HONGDIAN SANITARY WARE TECH CO LTD
- Filing Date
- 2025-02-28
- Publication Date
- 2026-04-17
AI Technical Summary
In existing bathroom drainage systems, problems such as excessively long pipes or insufficient drainage slope lead to poor drainage, especially in situations where gravity drainage is difficult to achieve, resulting in poor water flow or even no flow at all.
A power-driven drainage system is adopted. A drainage device is installed between the floor drain and the main drainage riser. It utilizes directional suction and a one-way sealing plate, combined with a check valve, to achieve forward water flow and prevent reverse flow. The power unit is located inside the drainage branch pipe, and the sensor unit controls the opening and closing of the device.
It ensures smooth drainage in the bathroom, avoids taking up extra space, adapts to various scenarios, prevents water backflow, and improves drainage efficiency.
Smart Images
Figure CN224133857U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of toilet technology, specifically a toilet and its drainage system. Background Technology
[0002] The building's internal drainage system mainly includes drainage fittings for connecting sanitary fixtures, drainage branch pipes, and main drainage risers.
[0003] Generally, the drainage principle of bathrooms in buildings is based on gravity, utilizing the elevation and slope differences between pipes to transport wastewater and sewage from upstream to downstream treatment or discharge points. In actual engineering projects, some bathrooms cannot meet gravity drainage requirements, and some drainage pipes are too long, resulting in poor drainage. This utility model provides a bathroom drainage system that can solve the problems of poor water flow or even no flow caused by excessively long pipes or insufficient drainage slope, ensuring smooth drainage. Utility Model Content
[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide a drainage system for bathrooms to solve the problem of poor drainage in bathrooms.
[0005] To solve the above-mentioned technical problems, this utility model provides a drainage system for a bathroom, including a drainage device. The drainage device is positioned at any location between the floor drain and the main drainage riser. The drainage device is a power device, and when activated, it is configured to smoothly drain water from the floor drain to the main drainage riser. The drainage direction of the drainage device is maintained from the floor drain to the main drainage riser. The floor drain is connected to the bathroom floor, and its outer surface is a drainage inlet. One end of the floor drain away from the drainage inlet is connected to a drainage branch pipe. The drainage device is positioned on the drainage channel where the drainage branch pipe is located, and one or both ends of the drainage device are sealed to the drainage branch pipe.
[0006] Furthermore, the drainage device is provided with a water passage part and a power part. The water passage part is kept inside the drainage channel where the drainage branch pipe is located, and the diameter of the water passage part is kept to be no larger than the diameter of the drainage branch pipe.
[0007] Furthermore, the water passage is configured to have directional suction, so that when the drainage device is activated, the water in the drainage branch pipe between the floor drain and the drainage device can be converted into positive thrust through the water passage of the drainage device and discharged to the main drainage riser by directional suction.
[0008] Furthermore, the power unit is also provided with a one-way sealing plate, which is configured to open towards the side closer to the main drainage pipe when the drainage device is performing forward drainage, and to close when the drainage device stops starting and when drainage is not being performed.
[0009] Furthermore, the diameter of the drainage device is kept at or near the diameter of the drainage branch pipe, and the power unit is kept inside the drainage branch pipe.
[0010] Furthermore, the power unit is configured to protrude from the drainage branch pipe, and the distance A from the protrusion is configured to be no more than 5 cm.
[0011] Furthermore, the vertical height of the drainage device is 3cm-15cm.
[0012] Furthermore, the cross-sectional outer contour shape of the water passage is maintained as a circular, annular, elliptical, or elliptical annular structure, matching the shape of the cross-section of the inner wall of the drainage branch pipe.
[0013] Furthermore, it also includes a backflow preventer, which is installed inside the drainage branch pipe to prevent water from flowing back to the floor drain between the backflow preventer and the main drainage riser when the drainage device stops working.
[0014] Furthermore, the check valve is positioned between the floor drain and the drainage device, and the check valve is configured to accelerate the forward flow of water in the drainage direction from the floor drain to the main drainage riser.
[0015] Furthermore, the cross-section of the check device is a circular or arc-shaped check structure, and the check device includes multiple backflow prevention check chambers to prevent the reverse flow of water.
[0016] Furthermore, it also includes a sensor unit that is effectively waterproof, which is used to control the opening and closing of the drainage device. The sensor unit is kept in place at the floor drain and / or on the drainage device.
[0017] The beneficial effects achieved by this utility model are:
[0018] First, the power drainage device solves the problem of drainage without slope or poor drainage in the bathroom; second, by setting the water passage of the power drainage device inside the drainage branch pipe, it does not occupy other space in the bathroom, has a flexible layout, small size, avoids raising the ground, is easy to install, and has a wide range of applications; finally, by setting a check device with multiple anti-backflow check chambers between the floor drain and the drainage device, the reverse flow of water is prevented, promoting efficient drainage of the drainage system of this utility model. Attached Figure Description
[0019] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0020] Figure 1 This is a schematic diagram of the drainage system of this utility model. Figure 1 .
[0021] Figure 2 This is a schematic diagram of the drainage system of this utility model. Figure 2 . Detailed Implementation
[0022] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, what is described is only a part of the embodiments of this utility model, not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the protection scope of this utility model. Example 1
[0023] Please refer to Figure 1-2 This utility model discloses a bathroom, primarily comprising a drainage system. The drainage system is implemented by installing a powered drainage device 1 on the drainage channel between the floor drain 2 and the main drainage riser 3, where a branch pipe 4 is located. The drainage device 1 is installed using the space within the branch pipe 4, forming a drainage device 1 that is easy to connect to and matches the shape of the branch pipe 4. In this embodiment, the drainage device 1 is almost no larger than the diameter of the branch pipe 4, requiring no separate space. The drainage device 1 of this utility model is compact, flexible in installation, and can be placed at any position between the floor drain and the main drainage riser according to specific site conditions, making it widely applicable. By activating the powered drainage device 1, problems such as drainage issues caused by a lack of slope in the bathroom floor and poor drainage due to excessively long branch pipes can be solved.
[0024] The drainage device 1 of this utility model is disposed between the floor drain 2 and the main drainage riser 3, preferably disposed on the drainage channel where the drainage branch pipe 4 connects the floor drain 2 and the main drainage riser 3, and its size and height match those of the drainage branch pipe 4. The height of the drainage device 1 of this utility model is set to 3cm-15cm in the vertical direction. Commonly used drainage branch pipes in bathrooms include those with diameters of 5cm, 7.5cm, 9cm, and 11cm. The size of the drainage device 1 of this utility model is increased according to the site conditions and location of use in the bathroom, and the overall size of the drainage device 1 is set to meet the requirements.
[0025] Specifically, this utility model discloses a drainage system that uses a power source to solve the problem of poor drainage. The power source is a drainage device 1, which is controlled to open and close by a waterproof sensing unit. When the drainage device 1 is activated, it is configured to have directional suction, allowing water from the floor drain to flow smoothly into the main drainage riser 3. The drainage direction of the drainage device 1 is maintained from the floor drain 1 to the main drainage riser 3. The forward drainage direction described in this utility model is the direction from the floor drain 2 to the main drainage riser 3. In this embodiment, the sensing unit is located below the floor drain opening. When water flow is sensed below the floor drain opening, the drainage device 1 is activated to begin drainage. When the water flow stops passing through the sensing unit, the drainage device 1 stops generating directional suction and ceases operation.
[0026] In this embodiment, the diameter of the drainage device 1 is kept to be no greater than or close to the diameter of the drainage branch pipe 4, and the outer contour shape of the cross section of the drainage device 1 is kept to be circular, annular, elliptical, or elliptical annular structure, which matches the shape of the cross section of the inner wall of the drainage branch pipe 1.
[0027] The drainage device 1 is equipped with a water passage section 11 and a power unit 12. The water passage section 11 is located inside the drainage channel where the drainage branch pipe 4 is located, and the diameter of the water passage section 11 is set to be no larger than the diameter of the drainage branch pipe 4. The power unit 12 is located inside the drainage channel of the drainage branch pipe 4. The power unit 12 is attached to the top of the drainage channel where the drainage branch pipe 4 is located, and the air inlet is located in front of the floor drain 2. Some of the gas will mix with the water to form a gas-water mixture. The direction of water flow and the direction of gas flow are the same, which will generate superimposed power, accelerate the drainage flow of the drainage branch pipe 4, and promote the forward flow to the main drainage riser 3.
[0028] The power unit 12 is also provided with a one-way sealing plate 13. The one-way sealing plate 13 is located on the drainage device 1 in the direction close to the main drainage riser 3. The one-way sealing plate 13 is configured to open to the side close to the main drainage riser 3 when the drainage device 1 is draining in the forward direction, and close when the drainage device 1 stops starting and is not draining, so as to prevent water backflow and avoid odor.
[0029] It also includes a check device 5, which is installed in the drainage channel where the drainage branch pipe 4 is located. The check device 5 is positioned between the floor drain 2 and the drainage device 1 to prevent water from flowing back to the floor drain 1 between the check device 5 and the main drainage riser 3 when the drainage device 1 stops working. The check device 5 is configured to accelerate the forward flow of water in the drainage direction from the floor drain 1 to the main drainage riser 3. The check device 5 has a circular or arc-shaped check structure in its cross-section. The check structure 5 has a convex-concave structure in the middle part to affect the water flow. When the water flows forward, the narrowing of the water passage area accelerates the water flow speed. When the water flows backward, the check device 5 has multiple anti-backflow check chambers 51 arranged in the opposite direction. The water will enter the downward small channel due to gravity, forming a force opposite to the water flow direction, preventing the water from continuing to flow forward. Example 2
[0030] Unlike Embodiment 1 described above, in this embodiment, the power unit is configured to protrude from the drainage branch pipe to ensure that the cross-sectional area of the water passage 11 is close to the cross-sectional area of the drainage branch pipe 4 (see reference). Figure 2 In this embodiment, the distance A from the protrusion of the power unit 12 out of the drainage channel portion where the drainage branch pipe 4 is located is kept to be no more than 5cm, so that it can be hidden using the space of the decorative layer and avoid occupying space. Example 3
[0031] Unlike the above embodiments, the drainage device 1 in this embodiment is provided with an annular ventilation channel, which is located outside the drainage channel. Example 4
[0032] Unlike the above embodiments, the middle part of the check device 5 in this embodiment is magnetically levitated, without structural obstruction, thus avoiding the accumulation of dirt. Example 5
[0033] Unlike the above embodiments, the sensing unit in this embodiment is disposed on the drainage device 1.
[0034] Preferably, in this embodiment, the sensing unit is located in the middle part of the one-way sealing plate 13 near the drain outlet, which can not only control the opening and closing of the drainage device 1, but also accurately control the opening and closing of the one-way sealing plate 13.
[0035] The working principle of this utility model is as follows: when water enters the drainage branch pipe through the floor drain, the sensing device detects the water needing to be drained and immediately activates the drainage device. The drainage device generates suction, and the water flows through the check valve and the water passage on the drainage device where the drainage channel is located. The one-way sealing plate then opens, and the water is also pushed to the main drainage riser until the drainage device stops working, completing the drainage process. At the same time, the water seal is replenished, and the one-way sealing plate closes. A small amount of residual water is intercepted when it flows back to the check valve, preventing it from returning to the floor drain. It should be noted that the activation and deactivation times of the drainage device can be adjusted according to the mode and position settings of the sensing unit to meet various on-site environments and needs. This utility model's drainage system solves common problems encountered in bathrooms with special floor plans, old bathrooms, and even those undergoing renovations without removing the original floor covering, such as insufficient slope and excessively long drainage branch pipes, thus promoting efficient drainage.
[0036] In the description of this utility model, it should be understood that the terms "bottom", "inside", "one side", "both sides", "one end", "both ends", "left", "right", "upper", "lower", "top", "inner", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. 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.
[0037] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "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 or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection 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.
[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A drainage system characterised in that, The device includes a drainage system, which is positioned at any location between the floor drain and the main drainage riser. The drainage system is a power device, and when activated, it is designed to smoothly drain water from the floor drain to the main drainage riser. The drainage direction of the drainage system is maintained from the floor drain to the main drainage riser. The floor drain is connected to the bathroom floor, and its outer surface is a drainage inlet. One end of the floor drain away from the drainage inlet is connected to a drainage branch pipe. The drainage system is positioned on the drainage channel where the drainage branch pipe is located, and one or both ends of the drainage system are sealed to the drainage branch pipe.
2. The drainage system of claim 1, wherein, The drainage device is provided with a water passage part and a power part. The water passage part is kept inside the drainage channel where the drainage branch pipe is located, and the diameter of the water passage part is kept to be no larger than the diameter of the drainage branch pipe.
3. The drainage system of claim 2, wherein, The water passage is configured to have directional suction. When the drainage device is activated, the water in the drainage branch pipe between the floor drain and the drainage device is converted into positive thrust through the water passage of the drainage device by directional suction and discharged to the main drainage riser.
4. The drainage system of claim 3, wherein, The power unit is also equipped with a one-way sealing plate, which is configured to open towards the side closest to the main drainage pipe when the drainage device is performing positive drainage, and close when the drainage device stops starting and when drainage is not in progress.
5. The drainage system of claim 4, wherein, The diameter of the drainage device is kept at a value not greater than or close to the diameter of the drainage branch pipe, and the power unit is kept inside the drainage branch pipe.
6. The drainage system of claim 4, wherein, The power unit is configured to protrude from the drainage branch pipe, and the distance A from the protrusion is configured to be no more than 5 cm.
7. A drainage system according to claim 5 or 6, characterised in that, The vertical height of the drainage device is 3cm-15cm.
8. The drainage system of claim 7, wherein, The cross-sectional outer contour shape of the water passage is maintained as a circular, annular, elliptical, or elliptical annular structure, matching the shape of the cross-section of the inner wall of the drainage branch pipe.
9. The drainage system of claim 8, wherein, It also includes a backflow prevention device, which is installed inside the drainage branch pipe to prevent water from flowing back to the floor drain between the backflow prevention device and the main drainage riser when the drainage device stops working.
10. The drainage system of claim 9, wherein, The check valve is positioned between the floor drain and the drainage device, and is configured to accelerate the forward flow of water in the drainage direction from the floor drain to the main drainage riser.
11. The drainage system of claim 10, wherein, The check valve has a circular or arc-shaped cross-section and includes multiple backflow prevention chambers to prevent water from flowing backward.
12. The drainage system of claim 11, wherein, It also includes a waterproof sensing unit, which is used to control the opening and closing of the drainage device. The sensing unit is installed at the floor drain and / or on the drainage device.
13. A sanitary room comprising a drainage system, characterized in that The drainage system is the drainage system described in any one of claims 1-11.