A round cross-section drainage channel
By designing a circular cross-section drainage channel, the water collection area and drainage channels are increased, solving the problems of small collection area and easy clogging of existing rainwater inlets, and achieving efficient and stable drainage effect.
Patent Information
- Application Number
- CN202521882217.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-02
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-09-02
AI Technical Summary
In existing municipal drainage systems, the small collection area of rainwater inlets leads to low drainage efficiency, easily causing road flooding during heavy rain and making it prone to blockages, which fails to meet the requirements of efficiency and stability in modern cities.
Design a circular cross-section drainage ditch, including a drainage channel along the length of the drainage ditch and multiple water inlets. The water inlets are connected to the drainage channel. The external shape is rectangular or circular. Steel grating rainwater grates are added at the water inlets. Adjacent ditches are connected by socket joints. The drainage ditch can be buried under or inside the road surface.
It significantly increases the water collection area, reduces the risk of blockage, improves drainage efficiency, reduces surface runoff, is easy to maintain, and meets the drainage needs of modern cities.
Smart Images
Figure CN224678826U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of municipal drainage technology, specifically a circular cross-section drainage trough. Background Technology
[0002] Currently, municipal drainage systems primarily use rainwater inlets, typically one to three inlets every 20 to 30 meters, to collect rainwater from the road surface. The collected rainwater is then discharged through municipal rainwater pipes.
[0003] The current problems are that the water collection area is too small, resulting in low drainage efficiency, especially during heavy rain, which can easily cause road flooding. In addition, existing storm drains are usually located at the lowest point of the road, which can easily cause blockages when the water carries a large amount of mud, sand, fallen leaves and other debris, increasing maintenance frequency and costs. At the same time, the drainage capacity of the storm drains is limited, making it difficult to meet the requirements of modern cities for efficient and stable drainage systems.
[0004] Therefore, a new type of drainage channel with a reasonable structural design, high drainage efficiency, and convenient maintenance is needed to overcome the above-mentioned defects. Utility Model Content
[0005] The purpose of this invention is to provide a circular cross-section drainage channel to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, the present invention provides the following technical solution: a circular cross-section drainage ditch, including a drainage ditch located on one side of the curbstone, a drainage channel is provided on the drainage ditch along the length direction, a plurality of water inlets are opened on the top of the drainage ditch, and a support block is provided between two adjacent water inlets; The upper part of the drainage trough is a planar structure, and the inner walls of the top of both sides of the water inlet are inclined, and the water inlet is connected to the drainage channel.
[0007] Preferably, the shape of the drainage channel is any one of circular, elliptical, oval, or rounded rectangle.
[0008] Preferably, the external shape of the drainage trough is rectangular or circular.
[0009] Preferably, the outer bottom corner of the drainage channel is chamfered.
[0010] Preferably, the interface between two adjacent drainage channels is fixed by a socket joint.
[0011] Preferably, a steel grating rainwater grate is added to the inlet of the drainage channel.
[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. The upper part of the drainage trough is a flat surface or a V-shaped surface that is higher at both ends and slightly lower in the middle; 2. There is a water inlet in the middle of the upper part of the drainage trough, or slightly off-center, or at the lowest point of the V-shape; 3. The water inlet is not continuous but segmented to increase strength; 4. It can be used alone or with steel grating rainwater grates added on top to achieve various usage scenarios. Attached Figure Description
[0013] Figure 1 This is a front view structural diagram of the present invention; Figure 2 This is a schematic diagram of the AA cross-section structure of this utility model; Figure 3 This is a schematic diagram of the structure where the water inlet of this utility model is flush with the road surface; Figure 4 This is a schematic diagram of the structure of the steel grating rainwater grate of this utility model.
[0014] In the picture: 1. Drainage trough; 2. Drainage channel; 3. Water inlet; 4. Curbstone; 5. Road surface; 6. Road paving; 7. Steel grating rain grate. Detailed Implementation
[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0016] Please see Figure 1-4 This utility model provides a technical solution: a circular cross-section drainage ditch, including a drainage ditch 1 located on one side of the curbstone 4, a drainage channel 2 provided along the length direction of the drainage ditch 1, and multiple water inlets 3 opened at the top of the drainage ditch 1, with a support block provided between two adjacent water inlets 3; the upper water inlets 3 run through the entire drainage ditch 1, or are partially separated by a support block in the middle, to enhance the overall structure and prevent product damage during use or transportation; The upper part of the drainage trough 1 is a flat structure, and the inner walls of the top of the two sides of the water inlet 3 are inclined. The water inlet 3 is connected to the drainage channel 2. The upper part of the concrete drainage trough 1 is flat or the two ends are slightly higher, and the water inlet 3 is slightly lower. The water inlet is located in the middle or slightly off-center of the upper flat surface. The water inlet 3 runs through the entire upper part of the drainage trough 1.
[0017] In this utility model, the shape of the drainage channel 2 can be any one of the following: circular, elliptical, oval, or rounded rectangle.
[0018] In this utility model, the external shape of the drainage trough 1 is rectangular or circular. The shape can be the same as the end face, or some weight reduction measures that do not affect the strength can be adopted.
[0019] In this utility model, the outer bottom corner of the drainage trough 1 is chamfered, which can effectively reduce damage during transportation and installation.
[0020] In this utility model, the interface between two adjacent drainage troughs 1 is fixed by a socket joint, or a flat joint with a rubber strip can be used, and then connected with a steel plate.
[0021] In this utility model, a steel grating rainwater grate 7 is added to the water inlet 3 of the drainage trough 1.
[0022] In this utility model, the drainage channel 1 can be set below the road surface 5 or inside the road surface paving 6 of the road surface 5. When the top of the drainage channel 1 is flush with the road surface 5, the steel grating rain grate 7 is not required. When the top of the drainage channel 1 is set inside the road surface paving 6, the water inlet 3 of the drainage channel 1 extends to the road surface 5 through the steel grating rain grate 7. The upper surface of the steel grating rain grate 7 is flush with the road surface. This is used in places where aesthetic requirements are relatively high, such as parks and landscape squares.
[0023] Compared with existing rainwater inlets, the circular drainage trough of this invention significantly increases the water collection area. Taking a 400*700 rainwater inlet with a length of 30 meters as an example, when the rainwater grate is fully open, the maximum water collection area for 30 meters is 0.4*0.7=0.28㎡. When using a circular drainage trough with a water collection inlet width of 30mm, the water collection area of the drainage trough with reinforced partition is 30*0.85*0.03=0.765㎡. The water collection area of the circular drainage trough is approximately 2.7 times that of a conventional rainwater inlet. If the water collection inlet width of the drainage trough is increased, the water collection area will increase further.
[0024] Because of its large water collection area, it is not easy to get clogged. The entire roadside is a water collection point, which can collect all the rainwater flowing through it into the drainage system, significantly reducing surface runoff and reducing the water depth on the road surface.
[0025] Because the horizontal drainage pipes are buried at a very shallow depth, it is relatively easy to inspect and clean the entire pipe. Once a blockage is detected, cleaning can begin from any point in the middle, without having to enter from the far end of the manhole.
[0026] The contents not described in detail in this specification are prior art known to those skilled in the art. 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 variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A circular cross-section drainage ditch, comprising a drainage ditch (1) located on one side of a curbstone (4), characterized in that: The drainage trough (1) is provided with a drainage channel (2) along its length, and the top of the drainage trough (1) is provided with multiple water inlets (3), and a support block is provided between two adjacent water inlets (3); The upper part of the drainage trough (1) is a planar structure, the inner walls of the top of the two sides of the water inlet (3) are inclined, and the water inlet (3) is connected to the drainage channel (2).
2. A circular cross-section drainage channel according to claim 1, characterized in that: The shape of the drainage channel (2) can be any one of the following: circular, elliptical, oval, or rounded rectangle.
3. A circular cross-section drainage channel according to claim 1, characterized in that: The external shape of the drainage trough (1) is rectangular or circular.
4. A circular cross-section drainage trough according to claim 1, characterized in that: The drainage channel (1) has a chamfered bottom corner.
5. A circular cross-section drainage channel according to claim 1, characterized in that: The interface between two adjacent drainage troughs (1) is fixed by a socket joint.
6. A circular cross-section drainage channel according to claim 1, characterized in that: A steel grating rainwater grate (7) is added to the inlet (3) of the drainage trough (1).