Spiral flow guide noise reduction drainage ditch structure
Patent Information
- Application Number
- CN202522075169.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-26
- Publication Date
- 2026-08-21
- Estimated Expiration
- 2035-09-26
AI Technical Summary
针对现有技术的直壁平底排水沟存在的水流紊乱导致噪音突出、排水效率低、杂物易沉积堵塞且维护成本高的技术问题,本实用新型提供了螺旋导流降噪排水沟结构
与现有技术相比,本实用新型提供了螺旋导流降噪排水沟结构,具备以下有益效果:
Smart Images

Figure CN224663754U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of drainage facility technology, specifically to a spiral flow-guiding and noise-reducing drainage ditch structure. Background Technology
[0002] As is well known, drainage ditches play a crucial role in the drainage systems of municipal roads, residential areas, and public spaces, effectively removing rainwater, domestic sewage, and surface runoff. Traditional drainage ditches often employ a straight-walled, flat-bottomed design, which has several shortcomings in practical use: water lacks effective guidance after entering the ditch, easily forming turbulent flow; direct impacts between the water and the ditch walls and bottom, as well as internal friction within the water flow, generate significant noise, especially during periods of heavy rainfall, disrupting the daily lives of nearby residents; turbulent flow reduces drainage speed, causing rainwater to accumulate on roads or surfaces, affecting traffic safety; and debris such as leaves and fibers carried by sewage and rainwater easily deposit at the bottom of the ditch. Due to the lack of pre-treatment structures, this accumulation of debris easily clogs the drainage channels, requiring frequent manual cleaning, increasing maintenance costs and workload. Therefore, it is necessary to propose solutions to these technical problems. Utility Model Content
[0003] (a) Technical problems to be solved To address the technical problems of existing straight-walled, flat-bottomed drainage ditches, such as turbulent water flow leading to excessive noise, low drainage efficiency, easy accumulation and blockage of debris, and high maintenance costs, this utility model provides a spiral flow-guiding and noise-reducing drainage ditch structure.
[0004] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: a spiral flow-guiding and noise-reducing drainage ditch structure, comprising a drainage ditch, the bottom of which is arc-shaped, mounting plates at the top of both ends of the drainage ditch, a drainage mechanism between the two mounting plates, mounting columns in the drainage ditch, spiral blades on the mounting columns, connecting columns at both ends of the mounting columns, a support column at the top of the connecting columns, a reinforcing plate at the top of the support column, the reinforcing plate being embedded in the two mounting plates, a connecting groove at one end of the first connecting column, a butt joint at one end of the second connecting column, a bearing on the first connecting column, a crushing blade on the bearing, the crushing blade being inclined, and multiple crushing blades.
[0005] Furthermore, the drainage mechanism includes a fixing groove and a drainage plate. The fixing groove is opened on one side of the mounting plate, and the drainage plate is located above the drainage ditch and embedded in two of the fixing grooves. The drainage plate has multiple drainage holes arranged in an array.
[0006] Furthermore, the drainage plate is provided with sealing strips around its perimeter.
[0007] Furthermore, the bottom end of the mounting plate has multiple mounting holes arranged in an array.
[0008] Furthermore, both the docking groove and the mating joint have a cross-shaped structure.
[0009] Furthermore, the outer side of the connector is provided with an inclined groove.
[0010] (III) Beneficial Effects Compared with the prior art, this utility model provides a spiral flow guiding and noise reduction drainage ditch structure, which has the following beneficial effects: This spiral-guided noise-reducing drainage ditch structure features fixed spiral blades within the ditch. Water entering the ditch is guided by these blades and flows along a spiral trajectory, avoiding the turbulent flow problems found in traditional straight-walled drainage ditches. This spiral flow reduces direct collisions between the water and the ditch walls and bottom, while also minimizing internal friction. This accelerates water flow, significantly improves drainage efficiency, effectively alleviates flooding during rainfall, and reduces noise generation at its source, improving the surrounding environment. Multiple inclined shredders are mounted on the connecting columns via bearings. As water flows through, it impacts these blades, causing them to rotate under the bearings and shred debris such as leaves and fibers mixed in with the water. The shredded debris is then smoothly discharged with the water flow, preventing blockages caused by debris accumulating at the bottom of the ditch. This reduces the frequency of manual cleaning and lowers maintenance difficulty and costs. Attached Figure Description
[0011] Figure 1 This is a first-view structural diagram of the present invention; Figure 2 This is a schematic diagram of the second-view structure of the present invention; Figure 3 This is a front half-sectional view of the structure of this utility model; Figure 4 This is a left half-sectional view of the structure of this utility model.
[0012] In the diagram: 1. Drainage ditch; 2. Mounting plate; 3. Mounting column; 4. Spiral blade; 5. Connecting column; 6. Support column; 7. Reinforcing plate; 8. Connecting groove; 9. Joint; 10. Bearing; 11. Crusher; 12. Fixing groove; 13. Drainage plate; 14. Drainage hole. Detailed Implementation
[0013] 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.
[0014] Please see Figures 1-4 This utility model relates to a spiral flow-guiding and noise-reducing drainage ditch structure, comprising a drainage ditch 1 with an arc-shaped bottom. Mounting plates 2 are located at the top of both ends of the drainage ditch 1, and a drainage mechanism is provided between the two mounting plates 2. Mounting columns 3 are located within the drainage ditch 1, and spiral blades 4 are mounted on the mounting columns 3. Connecting columns 5 are located at both ends of the mounting columns 3, and a support column 6 is located at the top of each connecting column 5. A reinforcing plate 7 is located at the top of each support column 6, and the reinforcing plate 7 is embedded in the two mounting plates 2. A connecting groove 8 is formed at one end of the first connecting column 5, and a connecting groove 8 is formed at one end of the second connecting column 5. A connector 9 is provided, and a bearing 10 is provided on the first connecting column 5. A crushing blade 11 is provided on the bearing 10. The crushing blade 11 is inclined and there are multiple crushing blades 11. In this embodiment, a single section of drainage ditch 1 is first fixed on a preset ground foundation. When two adjacent drainage ditch sections 1 are connected, the connecting groove 8 of the previous section is precisely fitted with the connector 9 of the next section to complete the multi-section assembly. The mounting column 3 is embedded in the mounting plate 2 through the reinforcing plate 7 at the top of the support column 6 to fix the mounting column 3 in the drainage ditch 1. The drainage mechanism is installed in the fixing groove 12 between the two mounting plates 2 to complete the overall assembly. Rainwater and sewage enter drainage ditch 1 through the drainage mechanism. After entering, the water impacts the spiral blades 4 on the mounting column 3, and the water flows along the spiral trajectory of the spiral blades 4. At the same time, the water impacts the inclined crushing blades 11, which rotate with the water flow under the action of the bearings 10, crushing debris such as leaves and fibers in the water. After being guided by the spiral blades 4 and processed by the crushing blades 11, the water flows smoothly out along the arc-shaped bottom and inner wall of drainage ditch 1, completing the drainage process. The arc-shaped bottom reduces the contact area between the water flow and the bottom of the ditch, reducing frictional resistance. The water flow through the spiral blades 4 forms a spiral flow, reducing turbulence and direct collision with the ditch wall. The inclined crushing blades 11 rotate freely under the action of the bearings 10, using the impact force of the water flow to crush impurities. The connecting column 5 achieves multi-unit connection with the connecting joint 9 through the connecting groove 8. The support column 6 and the reinforcing plate 7 enhance the connection strength between the mounting column 3 and the mounting plate 2, ensuring structural stability. Spiral flow guide reduces water flow turbulence and drainage noise; shredder 11 pre-treats impurities to prevent drainage ditch 1 from clogging; arc-shaped bottom and spiral flow improve drainage efficiency; modular docking design facilitates long-distance laying, and the overall structure is stable and durable.
[0015] To facilitate rainwater drainage into the drainage ditch 1, the drainage mechanism in this design includes a fixing groove 12 and a drainage plate 13. The fixing groove 12 is located on one side of the mounting plate 2, and the drainage plate 13 is positioned above the drainage ditch 1 and embedded in two fixing grooves 12. The drainage plate 13 has multiple drainage holes 14 arranged in an array. The drainage plate 13 is installed between two mounting plates 2 via the fixing grooves 12, forming a top water inlet structure for the drainage ditch 1. The multiple arrayed drainage holes 14 disperse the water flow, preventing concentrated water impact on the ditch body. This dispersed water inlet reduces the impact force of the water flow and further reduces noise. The drainage holes 14 can initially filter large debris such as stones, reducing the load on the subsequent crushing blade 11. The fit between the drainage plate 13 and the fixing groove 12 facilitates disassembly, cleaning, and maintenance.
[0016] To prevent water leakage from the gap between the drainage board 13 and the mounting plate 2, a sealing strip is provided around the drainage board 13 in this design. The sealing strip fills the gap between the drainage board 13 and the fixing groove 12, forming a sealed structure. This prevents water leakage from the gap between the drainage board 13 and the mounting plate 2, avoids soil erosion, reduces the spread of odors from the drainage ditch 1, and improves the surrounding environment.
[0017] To facilitate the assembly and fixation of the mounting plate 2 onto the foundation, in this design, the bottom end of the mounting plate 2 is provided with multiple, arrayed mounting holes. These holes can be connected to the foundation or a fixed structure using bolts, expansion screws, etc., to secure the drainage ditch 1 as a whole. This ensures that the drainage ditch 1 does not shift or tilt under water flow impact or external loads; it also enhances the overall structure's resistance to deformation and extends its service life.
[0018] In this design, both the docking groove 8 and the connector 9 have a cross-shaped structure. The cross-shaped docking groove 8 and the connector 9 use a concave-convex fit, with a flat contact surface, which can transmit torque and provide precise positioning. This ensures coaxiality when multiple drainage ditch units 1 are connected. The cross-shaped structure distributes force evenly, enhances connection strength, and prevents the joint from detaching due to water flow impact.
[0019] To facilitate the insertion of the connector 9 into the docking groove 8 for splicing this structure, in this design, an inclined groove is provided on the outer side of the connector 9. The inclined groove on the outer side of the connector 9 forms a guide slope, which guides the connector 9 to slide smoothly into the docking groove 8 during docking, reducing the difficulty of alignment.
[0020] 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 spiral flow-guiding and noise-reducing drainage ditch structure, comprising a drainage ditch (1), characterized in that, The bottom of the drainage ditch (1) is arc-shaped. The top of both ends of the drainage ditch (1) is provided with mounting plates (2). A drainage mechanism is provided between the two mounting plates (2). The drainage ditch (1) is provided with mounting columns (3). The mounting columns (3) are provided with spiral blades (4). The two ends of the mounting columns (3) are provided with docking columns (5). The top of the docking columns (5) is provided with a support column (6). The top of the support column (6) is provided with a reinforcing plate (7). The reinforcing plate (7) is embedded in the two mounting plates (2). One end of the first docking column (5) is provided with a docking groove (8). One end of the second docking column (5) is provided with a connecting joint (9). The first docking column (5) is provided with a bearing (10). The bearing (10) is provided with a crushing blade (11). The crushing blade (11) is inclined. There are multiple crushing blades (11).
2. The spiral flow-guiding and noise-reducing drainage ditch structure according to claim 1, characterized in that, The drainage mechanism includes a fixed groove (12) and a drainage plate (13). The fixed groove (12) is opened on one side of the mounting plate (2). The drainage plate (13) is located above the drainage ditch (1) and is embedded in two of the fixed grooves (12). The drainage plate (13) has multiple drainage holes (14) arranged in an array.
3. The spiral flow-guiding and noise-reducing drainage ditch structure according to claim 2, characterized in that, The drainage board (13) is provided with sealing strips around its perimeter.
4. The spiral flow-guiding and noise-reducing drainage ditch structure according to claim 1, characterized in that, The bottom end of the mounting plate (2) has multiple mounting holes arranged in an array.
5. The spiral flow-guiding and noise-reducing drainage ditch structure according to claim 1, characterized in that, Both the docking groove (8) and the docking joint (9) have a cross-shaped structure.
6. The spiral flow-guiding and noise-reducing drainage ditch structure according to claim 5, characterized in that, The outer side of the connector (9) is provided with an inclined groove.