Road drainage filtering device
By introducing ∧-shaped slopes and supporting vertical slab structures into the highway drainage system, the problem of blockage caused by sediment accumulation was solved, achieving efficient separation of debris and enhancing structural stability, thus ensuring the normal operation of the drainage system.
Patent Information
- Application Number
- CN202520157031.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-01-23
AI Technical Summary
In traditional highway drainage systems, silt and impurities tend to accumulate, leading to reduced drainage efficiency and blockages.
Design a highway drainage filtration device that uses a ∧-shaped slope plate, mudguard plate and supporting upright plate assembly. It separates mud and sand through filter lining and flow guiding structure, blocks larger debris and enhances structural stability.
It effectively reduces the amount of sediment entering the drainage pipes, lowers the risk of blockage, improves drainage efficiency, and ensures the stability of the device under vehicle pressure.
Smart Images

Figure CN223824300U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of highway drainage facilities, and in particular relates to a highway drainage filtration device. Background Technology
[0002] In highway construction and maintenance, drainage systems are a crucial component for ensuring road surface dryness, vehicle safety, and extending road lifespan. Traditional highway drainage systems typically consist of drainage ditches and pipes, which collect and guide rainwater away from the road surface. However, over time, these systems often accumulate large amounts of silt and other impurities, leading to reduced drainage efficiency and even blockages. Furthermore, larger debris can also enter the drainage system with the water flow, further exacerbating the blockage problem.
[0003] To solve the above problems, a road drainage filtration device that can effectively separate mud and sand, filter debris, and has a stable structure is needed. Utility Model Content
[0004] The purpose of this utility model is to provide a highway drainage filtration device, which solves the problem of easy accumulation of mud and other impurities in the existing highway drainage system, leading to reduced drainage efficiency and blockage, by setting up components such as a ∧-shaped slope plate with a special structure, mudguard plate and support plate.
[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:
[0006] This utility model relates to a highway drainage filtration device, comprising a drainage trough, a filter liner, and a cover plate; the drainage trough comprises a rectangular trough; a drainage pipe joint is fixedly fixed through the center of the bottom surface of the rectangular trough; the filter liner is installed inside the rectangular trough; the cover plate covers the upper end of the drainage trough; the filter liner comprises a ∧-shaped slope plate; a ∧-shaped edge strip is fixed on each side of the slope surface of the ∧-shaped slope plate; a mudguard is fixed at each end of the two ∧-shaped edge strips; filter holes are evenly distributed on the upper surface of the ∧-shaped slope plate, and the filter holes are located between the two ∧-shaped edge strips and the two mudguards.
[0007] As a preferred embodiment of this utility model, a row of strips is vertically fixed to the bottom surface of the rectangular groove; a row of through holes is formed on the strips.
[0008] As a preferred embodiment of this utility model, a pair of vertically arranged rectangular strips are fixedly provided on the lower surfaces of the two sloping plates of the ∧-shaped slope plate; two support plates for supporting the ∧-shaped slope plate are fixed together on the bottom surface and the two side walls of the rectangular groove; the top surfaces of the two support plates are both sloping surfaces, and the top surfaces of the two support plates are in contact with the lower surfaces of the two sloping plates of the ∧-shaped slope plate; the relative inner surfaces of the two support plates are in contact with the rectangular strips; and several water passage holes are opened in the lower half of the support plates.
[0009] As a preferred embodiment of this utility model, the cover plate includes a rectangular plate; the rectangular plate has a plurality of drainage holes; and a rectangular retaining ring that mates with the inner wall of the opening end of the rectangular groove is fixedly provided on the lower surface of the rectangular plate.
[0010] As a preferred technical solution of this utility model, a mesh pad is laid on the upper surface of the ∧-shaped slope plate on the outer side of the two ∧-shaped edge strips and the two mudguards.
[0011] This utility model has the following beneficial effects:
[0012] This invention reduces the amount of sediment entering the drainage pipe by setting a filter liner inside the drainage trough, using a ∧-shaped slope plate and a flow-guiding barrier between the trough and the drainage trough to filter sediment, and using the ∧-shaped slope plate to separate debris. This reduces the risk of pipe blockage.
[0013] This invention enhances the structural stability of the filter liner by fixing rectangular strips to the lower surface of the ∧-shaped slope plate and combining them with the supporting upright plate. In particular, it ensures stable support for the upper cover plate under the condition that it may be subjected to vehicle pressure.
[0014] This invention uses filter holes on the cover plate to prevent larger debris from entering the drainage trough, while lighter debris will slide down the slope under the flushing water, preventing debris from entering the drainage pipe and causing blockage.
[0015] In order to increase the storage capacity of mud and sand within the diversion enclosure, this utility model lays a mesh mat on the outside of the two ∧-shaped edge strips and the two mudguards. The mesh mat can hold more mud and sand.
[0016] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description
[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 This is a schematic diagram of the structure of the highway drainage filtration device of this utility model.
[0019] Figure 2 This is a schematic diagram of the drainage trough.
[0020] Figure 3 This is a schematic diagram of the filter liner.
[0021] Figure 4 This is a schematic diagram of the cover plate.
[0022] Figure 5 This is a schematic diagram of the structure of Example 2.
[0023] The attached diagram lists the components represented by each number as follows:
[0024] 1-Drainage trough, 2-Filter lining, 3-Cover plate, 11-Rectangular trough, 12-Drainage pipe joint, 13-Strip, 14-Round through hole, 15-Supporting upright plate, 16-Water passage hole, 21-∧-shaped slope plate, 22-∧-shaped edge strip, 23-Mud baffle plate, 24-Filter hole, 25-Rectangular strip, 31-Rectangular plate, 32-Drain hole, 33-Rectangular retaining ring. Detailed Implementation
[0025] 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 scope of protection of the present utility model. Specific Implementation Example 1:
[0027] Please see Figure 1-4 As shown, this utility model is a highway drainage filtration device, including a drainage trough 1, a filter liner 2, and a cover plate 3. The filter liner 2 is placed inside the drainage trough 1, and the cover plate 3 covers the drainage trough 1, with the top of the filter liner 2 supporting the middle of the cover plate 3. The cover plate 3 includes a rectangular plate 31. Several drainage holes 32 are provided on the rectangular plate 31, with the holes being elongated circular holes approximately two centimeters wide. A rectangular retaining ring 33 is fixedly provided on the lower surface of the rectangular plate 31, which mates with the inner wall of the opening end of the rectangular trough 11.
[0028] The drainage trough 1 includes a rectangular trough 11. A drain pipe connector 12 is fixed through the center of the bottom surface of the rectangular trough 11. A filter liner 2 is installed inside the rectangular trough 11. A cover plate 3 covers the top of the drainage trough 1. The filter liner 2 includes a ∧-shaped slope plate 21. A ∧-shaped baffle strip 22 is fixed to each side of the slope surface of the ∧-shaped slope plate 21. A mudguard plate 23 is fixed to each end of the two ∧-shaped baffle strips 22. As rainwater flows along the perimeter of the drainage ditch 1 into its interior, the sediment carried by the water first flows into the flow-guiding enclosure formed between the side wall of the rectangular ditch 11, the two ∧-shaped edge strips 22, and the two mudguards 23. The sediment flows downwards along the slope of the ∧-shaped slope 21, with most of it converging and remaining at the lowest point. Then, water with a lower sediment content overflows the ∧-shaped edge strips 22 and enters the ∧-shaped slope 21 for filtration before flowing into the drainage pipe joint 12 below the drainage ditch 1 and being discharged into the drainage pipe. The sediment carried by the water flow enters the highway drainage filtration device, where it is first collected and separated, reducing the amount of sediment entering the drainage pipe and lowering the risk of sediment buildup and blockage.
[0029] The upper surface of the ∧-shaped slope plate 21 is evenly provided with filter holes 24, which are located between the two ∧-shaped edge strips 22 and the two mudguards 23. The filter holes 24 are elongated circular holes with a width of about 5 mm. When lighter debris is flushed by water flow through the cover plate 3 and enters the filter lining 2 inside the drainage trough 1, the debris is placed on the ∧-shaped slope plate 21 and separated from the water. The lighter debris is washed down the slope of the ∧-shaped slope plate 21 by rainwater. The flushing of water flows the debris on the filter lining 2 towards the mudguards 23 at both ends, ensuring the long-term effective filtration function of the filter lining 2 and effectively avoiding the risk of blockage caused by debris entering the pipe.
[0030] To ensure the stability of the drainage trough 1 during installation, a row of strips 13 is vertically fixed to the bottom surface of the rectangular trough 11. A row of through holes 14 are formed on each strip 13. The row of strips 13 on the bottom surface of the rectangular trough 11 is inserted into the concrete, increasing the relative contact area with the cement during installation and improving the stability of the drainage trough 1.
[0031] To increase the storage capacity of sediment within the diversion enclosure, a mesh mat (not shown in the figure) is laid on the upper surface of the ∧-shaped slope 21 on the outer side of the two ∧-shaped edge strips 22 and the two mudguards 23. The mesh mat can accommodate sediment retained on the slope of the ∧-shaped slope 21. Specific Implementation Example 2:
[0033] Based on the first specific embodiment, considering the possibility that the filter device might be run over by passing vehicles, the structural stability of the filter liner 2 within the drainage trough 1 is improved to enhance the support stability of the filter liner 2 for the upper cover plate 3. The difference in this embodiment is as follows: Figure 5 As shown, a pair of vertically arranged rectangular strips 25 are fixedly installed on the lower surfaces of the two sloping plates of the ∧-shaped slope plate 21. Two support plates 15 for supporting the ∧-shaped slope plate 21 are fixed together on the bottom surface and side walls of the rectangular groove 11. The top surfaces of both support plates 15 are sloping, and the top surfaces of both support plates 15 are in contact with the lower surfaces of the two sloping plates of the ∧-shaped slope plate 21. The opposing inner surfaces of the two support plates 15 are in contact with the rectangular strips 25. Several water passage holes 16 are formed in the lower half of the support plates 15.
[0034] Two support plates 15 fixed inside the rectangular trough 11 add support points to the filter liner 2. At the same time, rectangular strips 25 are set on the filter liner 2 and combined with the two support plates 15 to ensure the stability of the top of the filter liner 2 under stress, thus ensuring the overall stability of the filter liner 2 supporting the upper cover plate 3.
[0035] The ∧-shaped slope plate 21 is a ∧-shaped structure formed by two inclined plates joined together at the top. The ∧-shaped edge strip 22 is also a ∧-shaped structure formed by two inclined strip structures joined together at the top.
[0036] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0037] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A highway drainage filtration device, characterized in that: It includes a drainage trough (1), a filter liner (2), and a cover plate (3); The drainage trough (1) includes a rectangular trough (11); a drainage pipe joint (12) is fixed through the center of the bottom surface of the rectangular trough (11). The filter liner (2) is installed inside the rectangular trough (11); the cover plate (3) covers the upper end of the drainage trough (1); The filter liner (2) includes a ∧-shaped slope plate (21); a ∧-shaped baffle strip (22) is fixed on each side of the slope surface of the ∧-shaped slope plate (21); a mudguard plate (23) is fixed at each end of the two ∧-shaped baffle strips (22); filter holes (24) are evenly distributed on the upper surface of the ∧-shaped slope plate (21), and the filter holes (24) are located between the two ∧-shaped baffle strips (22) and the two mudguard plates (23).
2. The highway drainage filtration device according to claim 1, characterized in that, A row of strips (13) is vertically fixed to the bottom surface of the rectangular groove (11); a row of through holes (14) is opened on the strips (13).
3. The highway drainage filtration device according to claim 1 or 2, characterized in that, A pair of vertically arranged rectangular strips (25) are fixedly provided on the lower surface of the two sloping plates of the ∧-shaped slope plate (21); two support plates (15) for supporting the ∧-shaped slope plate (21) are fixed together on the bottom surface and the two side walls of the rectangular groove (11); the top surface of the two support plates (15) is a slope, and the top surface of the two support plates (15) is in contact with the lower surface of the two sloping plates of the ∧-shaped slope plate (21); the inner surfaces of the two support plates (15) are in contact with the rectangular strips (25); a number of water passage holes (16) are opened in the lower half of the support plates (15).
4. The highway drainage filtration device according to claim 1, characterized in that, The cover plate (3) includes a rectangular plate (31); the rectangular plate (31) has a plurality of drainage holes (32); and a rectangular retaining ring (33) that cooperates with the inner wall of the opening end of the rectangular trough (11) is fixedly provided on the lower surface of the rectangular plate (31).
5. The highway drainage filtration device according to claim 1, characterized in that, A mesh pad is laid on the upper surface of the ∧-shaped slope plate (21) outside the two ∧-shaped edge strips (22) and the two mudguards (23).