Negative one-layer double-row anti-blocking drainage structure

By designing a double-drain anti-blocking drainage structure in the bathroom drainage system on the negative floor, and using the design of inclined three-way and multiple drainage transverse pipes, the problem of sewage reflux caused by the blockage of drainage pipes in the single-drain drainage system is solved, and a more flexible and efficient drainage system is achieved.

CN223017752UActive Publication Date: 2025-06-24TIANLUN BAY HANDAN REAL ESTATE CO LTD
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Patent Information

Application Number
CN202422037184.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-22
Publication Date
2025-06-24
Estimated Expiration
2034-08-22

AI Technical Summary

Technical Problem

In the existing bathroom drainage system on the first floor, the single drainage design causes the sewage to quickly return when the drain pipe is blocked, causing the first floor residents to be soaked in sewage, and it is difficult to effectively inspect and investigate the blockage problem.

Method used

A negative layer double-row anti-blocking drainage structure is designed. Through a drainage riser installed from top to bottom, an inclined three-way connection is provided at the bottom to connect the first and second drainage horizontal pipes. The horizontal pipes extend into the outdoor sewage well respectively, and an observation groove and a wedge-shaped drainage valve are provided on the inner wall of the sewage well for easy observation and drainage.

Benefits of technology

Through the double-pipe drainage design, when the main pipe is blocked, the backup water pipe can be drained in time to avoid sewage returning; property personnel can promptly detect the drainage cross pipe blockage through the observation trough in the well, improving the inspection and treatment efficiency, and enhancing the flexibility and efficiency of the drainage system.

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Abstract

The utility model discloses a negative first floor double-row anti-blocking drainage structure which comprises a drainage vertical pipe arranged from top to bottom, the drainage vertical pipe extends downwards from an upper floor and penetrates through a first floor to enter the negative first floor, and a first drainage transverse pipe is arranged at the bottom of the drainage vertical pipe through an inclined tee joint; the bottom of the inclined tee joint is connected with a second elbow through a pipeline, and the second elbow is connected with a second drainage transverse pipe; the first drainage transverse pipe and the second drainage transverse pipe horizontally extend into an outdoor sewage well; an in-well observation groove is formed in the inner wall of the sewage well. Compared with the prior art, the double-pipe drainage system has the advantages that due to the double-pipe drainage design, when the main pipeline is blocked, the standby water pipe can drain water in time, and sewage is prevented from returning to the home of residents on the first floor; property management personnel can observe whether sewage is accumulated or not through the in-well observation groove so as to judge whether the drainage transverse pipe is blocked or not, and problems can be conveniently found and handled in time. Due to the design of the first drainage transverse pipe and the second drainage transverse pipe, the drainage system is more flexible and efficient, and the drainage requirements under different conditions are met.
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Description

Technical Field

[0001] The utility model relates to the technical field of building drainage, in particular to a double-row anti-blocking drainage structure for the basement floor Background Technique

[0002] At present, the drainage of the basement floor toilet mostly adopts the design of a single-row drainage horizontal pipe. This design has the defects of single drainage form and inability to effectively inspect and troubleshoot blockages. Once the drain pipe is blocked, the sewage will quickly back up to the homes of the first-floor residents. In severe cases, the homes of the first-floor residents will be soaked by sewage, causing great losses. The PVC pipe technology has been widely used globally, but there is still a need for improvement in the anti-blocking design of the drainage system to meet the higher requirements of building drainage

[0003] Therefore, a double-row anti-blocking drainage structure for the basement floor is urgently needed to be studied Content of the Utility Model

[0004] The purpose of the utility model is to provide a double-row anti-blocking drainage structure for the basement floor to solve the problems raised in the above background technique

[0005] To solve the above technical problems, the technical solution provided by the utility model is: a double-row anti-blocking drainage structure for the basement floor, including a drainage vertical pipe arranged from top to bottom. The drainage vertical pipe extends downward from the upper floor, passes through the first floor and enters the basement floor. An inclined tee is provided at the bottom of the drainage vertical pipe. The inclined tee is connected to a first drainage horizontal pipe through a first elbow

[0006] A second elbow is provided at the bottom of the inclined tee through a pipe connection. The second elbow is connected to a second drainage horizontal pipe

[0007] The first drainage horizontal pipe and the second drainage horizontal pipe extend horizontally into the sewage well outdoors

[0008] An in-well observation groove is provided on the inner wall of the sewage well. A drain hole is provided at the bottom of the in-well observation groove. A wedge-shaped drain valve is provided in the in-well observation groove. The wedge-shaped drain valve is used in matching with the drain hole. A T-shaped metal handle is provided at the top of the wedge-shaped drain valve

[0009] As a preferred scheme, the water outlet of the first drainage horizontal pipe is located above the in-well observation groove, and the water outlet of the second drainage horizontal pipe is located below the in-well observation groove

[0010] As a preferred scheme, the pipe type of the drainage vertical pipe is De110, the inclined tee is a 45° inclined tee of model De110*75, the first elbow is a 135° elbow, the second elbow is a De110*160 reducing 45° elbow, the pipe type of the first drainage horizontal pipe is De75, and the pipe type of the second drainage horizontal pipe is De160

[0011] As a preferred solution, the drainage slope i of the first horizontal drainage pipe is 0.025, and the drainage slope i of the second horizontal drainage pipe is 0.007.

[0012] As a preferred solution, the observation trough in the well is made of stainless steel, and the wedge-shaped drain valve is made of rubber.

[0013] The advantages of the present utility model compared with the prior art are as follows: Through the double-pipe drainage design, when the main pipeline is blocked, the standby water pipe can drain water in time to prevent sewage from flowing back to the homes of the first-floor residents; Property management personnel can observe whether there is sewage accumulation through the observation trough in the well, so as to judge whether the horizontal drainage pipe is blocked, which is convenient for timely discovery and handling of problems; The design of the first horizontal drainage pipe and the second horizontal drainage pipe makes the drainage system more flexible and efficient, meeting the drainage requirements under different conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the present utility model.

[0015] Figure 2 is the present utility model Figure 1 partial enlarged view of A therein.

[0016] Figure 3 is a schematic structural diagram of the observation trough in the well of the present utility model.

[0017] As shown in the figure: 1, drainage riser; 2, first floor; 3, basement floor; 4, oblique tee; 5, first elbow; 6, first horizontal drainage pipe; 7, second elbow; 8, second horizontal drainage pipe; 9, sewage well; 10, observation trough in the well; 11, drain hole; 12, wedge-shaped drain valve; 13, metal handle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and illustrated in the drawings here can be arranged and designed in various different configurations.

[0019] In the description of the embodiments of the present utility model, it should be noted that if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used to indicate the orientation or positional relationship, it is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of this utility model is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, terms such as "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0020] In addition, if terms such as "horizontal", "vertical", "hanging" are used, it does not mean that the components are required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0021] In the description of the embodiments of the present utility model, "a plurality of" represents at least two.

[0022] In the description of the embodiments of the present utility model, it should also be noted that unless otherwise clearly specified and limited, if terms such as "set", "installed", "connected", "connected" are used, they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] Combined with the drawings, a double-row anti-blocking drainage structure on the negative first floor 3 includes a drainage riser 1 arranged from top to bottom. The drainage riser 1 extends downward from the upper floors, passes through the first floor 2 and enters the negative first floor 3. A slant tee 4 is provided at the bottom of the drainage riser 1, and the slant tee 4 is connected to a first drainage horizontal pipe 6 through a first elbow 5;

[0024] A second elbow 7 is provided at the bottom of the slant tee 4 through a pipeline connection, and the second elbow 7 is connected to a second drainage horizontal pipe 8;

[0025] The first drainage horizontal pipe 6 and the second drainage horizontal pipe 8 extend horizontally into the sewage well 9 outdoors;

[0026] The inner wall of the sewage well 9 is provided with an in-well observation groove 10. A drain hole 11 is provided at the bottom of the in-well observation groove 10. A wedge-shaped drain valve 12 is provided in the in-well observation groove 10. The wedge-shaped drain valve 12 is used in matching with the drain hole 11. A T-shaped metal handle 13 is provided at the top of the wedge-shaped drain valve 12.

[0027] The water outlet of the first drain horizontal pipe 6 is located above the in-well observation groove 10, and the water outlet of the second drain horizontal pipe 8 is located below the in-well observation groove 10.

[0028] The pipe type of the drain vertical pipe 1 is De110. The inclined tee 4 is a 45° inclined tee of model De110*75. The first elbow 5 is a 135° elbow. The second elbow 7 is a De110*160 reduced-diameter 45° elbow. The pipe type of the first drain horizontal pipe 6 is De75, and the pipe type of the second drain horizontal pipe 8 is De160.

[0029] The drainage slope i of the first drain horizontal pipe 6 is 0.025, and the drainage slope i of the second drain horizontal pipe 8 is 0.007.

[0030] The in-well observation groove 10 is made of stainless steel, and the wedge-shaped drain valve 12 is made of rubber.

[0031] When the present utility model is specifically implemented, the drain vertical pipe adopts a De110 pipe type and extends downward from the upper floors to the first basement floor. A 45° inclined tee of model De110*75 is installed at the bottom of the drain vertical pipe. The first drain horizontal pipe of De75 pipe type is connected above the inclined tee through a 135° elbow; the second drain horizontal pipe of De160 pipe type is connected below the inclined tee through a De110*160 reduced-diameter 45° elbow. The first drain horizontal pipe and the second drain horizontal pipe respectively extend horizontally into the sewage well outdoors, and the water outlet of the first drain horizontal pipe is located above the in-well observation groove, and the water outlet of the second drain horizontal pipe is located below the in-well observation groove. The inner wall of the sewage well is provided with an in-well observation groove made of stainless steel, and a drain hole is provided at the bottom. A wedge-shaped drain valve made of rubber is installed in the in-well observation groove. A T-shaped metal handle is provided at the top of the wedge-shaped drain valve for easy operation. The drainage slope of the first drain horizontal pipe is set to i = 0.025, and the drainage slope of the second drain horizontal pipe is set to i = 0.007 to meet the drainage requirements and prevent waterlogging.

[0032] Under normal circumstances of the present utility model, sewage is discharged through the second drain horizontal pipe. When the second drain horizontal pipe is blocked, the sewage can automatically flow into the first drain horizontal pipe and be discharged through the wedge-shaped drain valve in the in-well observation groove, effectively preventing the sewage from flowing back.

[0033] The present utility model can effectively solve the problem that the existing single-drainage method on the first basement floor is prone to cause the sewage to quickly flow back to the homes of the first-floor residents after the drain pipe is blocked, resulting in serious consequences.

[0034] The above description is made on the present utility model and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and without departing from the gist of the creation of the present utility model, they creatively design structural manners and embodiments similar to the technical solution, all of which shall fall within the protection scope of the present utility model.

Claims

1. A double-row anti-blocking drainage structure on the first floor below ground, characterized by: It includes a drainage riser arranged from top to bottom, the drainage riser extends downward from the upper floor, passes through the first floor and enters the basement floor, an oblique tee is arranged at the bottom of the drainage riser, and the oblique tee is connected to the first drainage horizontal pipe through a first elbow; A second elbow is provided at the bottom of the oblique tee through a pipeline connection, and the second elbow is connected to a second drainage horizontal pipe; The first drainage transverse pipe and the second drainage transverse pipe extend horizontally to an outdoor sewage well; An inner wall of the sewage well is provided with an in-well observation groove, a drainage hole is provided at the bottom of the in-well observation groove, a wedge-shaped drainage valve is provided in the in-well observation groove, the wedge-shaped drainage valve is matched with the drainage hole, and a T-shaped metal handle is provided on the top of the wedge-shaped drainage valve.

2. The double-row anti-blocking drainage structure for the first basement floor according to claim 1 is characterized by: The water outlet of the first drainage transverse pipe is located above the observation groove in the well, and the water outlet of the second drainage transverse pipe is located below the observation groove in the well.

3. The double-row anti-blocking drainage structure for the first basement floor according to claim 1 is characterized by: The drainage riser pipe type is De110, the inclined tee is a 45° inclined tee of model De110*75, the first elbow is a 135° elbow, the second elbow is a De110*160 reduced diameter 45° elbow, the first drainage cross pipe pipe type is De75, and the second drainage cross pipe pipe type is De160.

4. The double-row anti-blocking drainage structure for the first basement floor according to claim 1 is characterized by: The drainage slope of the first drainage transverse pipe is i=0.025, and the drainage slope of the second drainage transverse pipe is i=0.

007.

5. The double-row anti-blocking drainage structure for the first basement floor according to claim 1 is characterized by: The observation trough in the well is made of stainless steel, and the wedge-shaped drain valve is made of rubber.