Road pavement drainage structure
By placing the water grate vertically and combining it with a U-shaped shaft and a baffle plate, the problems of easy damage to the water grate and backflow are solved, achieving a durable and backflow-proof drainage effect.
Patent Information
- Application Number
- CN202422953260.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-02
AI Technical Summary
Existing road surface drainage grates are easily damaged by being run over and there is a problem of rainwater or sewage backflow.
A vertically placed water grate structure was designed, which combines a U-shaped shaft and a baffle plate to form a one-way valve function. It opens during normal drainage and closes during backflow. It is made of transparent materials and stainless steel to enhance durability and visibility.
It effectively prevents water grates from being damaged by load, extends their service life, and prevents rainwater or sewage backflow, thus improving the reliability of the drainage system.
Smart Images

Figure CN223523228U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to road construction field especially relates to a road pavement drainage structure. BACKGROUND
[0002] Such as China practical new type announcement number CN218580803U discloses a kind of construction device of rainwater grate around quick drainage, it includes rainwater grate and drainage plate;The drainage plate inside is provided with multiple inclined ramps with air slot for drainage;Air slot outlet is discharge port;The discharge port is communicated with drainage ditch;The rainwater grate is set on the drainage ditch;The contact end of the drainage plate and the rainwater grate is provided with support gap to place the rainwater grate.It is placed horizontally due to the rainwater grate used, as force structure, it can be rolled by pedestrian, vehicle etc. SUMMARY
[0003] The utility model solves the technical problem to provide a kind of road pavement drainage structure, it can avoid that rainwater grate is subjected to greater dynamic static load, and rainwater or sewage can be prevented from backflow.
[0004] To solve the above-mentioned problems and adopt a kind of road pavement drainage structure, it includes:
[0005] Road;
[0006] Drainage ditch, it is set in one side of road;
[0007] Sidewalk base layer, it is padded on drainage ditch, and first installation slot is set in its side face;
[0008] Drainage pipe, it is installed in the first installation slot of sidewalk base layer, it is padded on the side wall of drainage ditch, and second installation slot is set in the front wall;
[0009] Water grate, it is installed in the second installation slot of the front wall of L-shaped drainage pipe;
[0010] Sleeve, it is fixedly installed on the upper groove wall of second installation slot;
[0011] U-shaped shaft, wherein central shaft section is slidably connected in sleeve;
[0012] L-shaped plate, vertical section is fixed in the both ends of U-shaped shaft;
[0013] Water baffle, it is fixed on the horizontal section of L-shaped plate.
[0014] With the structure, the water grate is vertically placed and is not pressed by vehicles, so the service life is greatly prolonged, when normal drainage, the water flow pushes the water baffle to rotate around the U-shaped shaft middle axis as the center line, so as to open the drainage channel, when rainwater or sewage backflow or reverse flow occurs, the water flow pushes the water baffle to close the water grate, so as to cut off the drainage channel, so as to avoid or weaken the water reverse flow, and the water baffle can form a one-way valve.
[0015] As a further improvement of the utility model, the bottom wall of the drain pipe is inversely sloped to the drainage ditch.
[0016] With the structure, the drain pipe is beneficial to drainage.
[0017] As a further improvement of the utility model, the end of the water grate drainage grid is provided with a bolt, the bolt passes through the water grate and the second installation groove and is fastened on the pipe wall of the drain pipe.
[0018] With the structure, the water grate is beneficial to installation and dismounting.
[0019] As a further improvement of the utility model, a cylinder is arranged between the groove wall of the second installation groove and the pipe wall of the drain pipe, one end of the cylinder is fixed on the pipe wall of the drain pipe, the other end of the cylinder abuts on the groove wall of the second installation groove and is slidably connected with the bolt.
[0020] With the structure, since the water grate no longer bears large static and dynamic load, the water grate itself can be made thinner and lighter, when the bolt is tightened, the thin plate part is easily deformed, after the cylinder is tightly pressed, the bolt is prevented from extruding and deforming the weak part of the water grate and the second installation groove.
[0021] As a further improvement of the utility model, the side wall of the cylinder is slidably connected with the side wall of the two branch shafts of the U-shaped shaft.
[0022] With the structure, the cylinder can form a limiting structure, prevents the U-shaped shaft from moving sideways, so that the sleeve does not have to be too long, and material is saved.
[0023] As a further improvement of the utility model, the two branch shafts of the U-shaped shaft pass through the vertical plate of the L-shaped plate and are fastened by nuts, and the nuts are located on both sides of the vertical plate.
[0024] As a further improvement of the utility model, the L-shaped plate and the water baffle are made of transparent material.
[0025] With the structure, the internal situation can be seen to determine whether it needs to be removed and cleaned, and the material can be selected from hard transparent plastics, mainly including polycarbonate (PC), acrylic resin (PMMA), polyethylene terephthalate (PETG) and polymethyl methacrylate (PVC).
[0026] As further improvement of the utility model, the sidewalk base and the drainage ditch are made of concrete.
[0027] As further improvement of the utility model, the water grate is made of stainless steel material.
[0028] As further improvement of the utility model, the road and the drainage ditch share a cushion layer.
[0029] The utility model can avoid that the water grate bears large dynamic load and prevent rainwater or sewage from backflowing. BRIEF DESCRIPTION OF DRAWINGS
[0030] Figure 1 It is a structural schematic view of the embodiment.
[0031] Figure 2 It is a partial cutaway structural schematic view of the embodiment.
[0032] Figure 3 It is a partial enlarged schematic view. Figure 2
[0033] Reference signs: 1, road; 2, drainage ditch; 3, sidewalk base; 301, first installation groove; 4, drainage pipe; 401, front wall; 402, second installation groove; 5, water grate; 501, drainage grid; 6, sleeve; 7, U-shaped shaft; 8, L-shaped plate; 9, water baffle; 10, bolt; 11, cylinder; 12, nut; 13, cushion layer. DETAILED DESCRIPTION
[0034] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0035] In the description of the utility model, need explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore cannot be understood as the limitation to the utility model, the term "first", "second", "third" is only for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise expressly provided and limited, the term "installation", "connection", "connection" should be broad sense, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.
[0036] Embodiment 1
[0037] As Figures 1-3 shown, a road pavement drainage structure comprises:
[0038] a road 1;
[0039] a drainage ditch 2 arranged on one side of the road 1;
[0040] a sidewalk base layer 3 padded on the drainage ditch 2, with a first mounting groove 301 formed on the side surface;
[0041] a drainage pipe 4 mounted in the first mounting groove 301 of the sidewalk base layer 3, with a front wall 401, and a second mounting groove 402 formed on the front wall 401;
[0042] a water strainer 5 mounted in the second mounting groove 402 of the front wall 401 of the L-shaped drainage pipe 4;
[0043] a sleeve 6 fixedly mounted on the upper groove wall of the second mounting groove 402;
[0044] a U-shaped shaft 7 with a middle shaft segment slidingly penetrating into the sleeve 6;
[0045] an L-shaped plate 8 with a vertical segment fixedly connected to both ends of the U-shaped shaft 7;
[0046] a water baffle 9 fixedly connected to the horizontal segment of the L-shaped plate 8.
[0047] With the structure, the water grate 5 is vertically placed and is not pressed by vehicles, so its service life is greatly prolonged. When normal drainage, the water flow pushes the water baffle 9 to rotate around the central axis of the U-shaped shaft 7, so as to open the drainage channel. When the water flows backward, the water flow pushes the water baffle 9 to close the water grate 5, so as to cut off the drainage channel, thereby avoiding or weakening the water flow backward. The water baffle 9 can thus form a one-way valve.
[0048] In the embodiment, the bottom wall of the drain pipe 4 is downwardly inclined to the drain ditch 2.
[0049] With the structure, the water grate 5 is vertically placed and is not pressed by vehicles, so its service life is greatly prolonged. When normal drainage, the water flow pushes the water baffle 9 to rotate around the central axis of the U-shaped shaft 7, so as to open the drainage channel. When the water flows backward, the water flow pushes the water baffle 9 to close the water grate 5, so as to cut off the drainage channel, thereby avoiding or weakening the water flow backward. The water baffle 9 can thus form a one-way valve.
[0050] In the embodiment, the bottom wall of the drain pipe 4 is downwardly inclined to the drain ditch 2.
[0051] With the structure, the water grate 5 is vertically placed and is not pressed by vehicles, so its service life is greatly prolonged. When normal drainage, the water flow pushes the water baffle 9 to rotate around the central axis of the U-shaped shaft 7, so as to open the drainage channel. When the water flows backward, the water flow pushes the water baffle 9 to close the water grate 5, so as to cut off the drainage channel, thereby avoiding or weakening the water flow backward. The water baffle 9 can thus form a one-way valve.
[0052] In the embodiment, the bottom wall of the drain pipe 4 is downwardly inclined to the drain ditch 2.
[0053] With the structure, the water grate 5 is vertically placed and is not pressed by vehicles, so its service life is greatly prolonged. When normal drainage, the water flow pushes the water baffle 9 to rotate around the central axis of the U-shaped shaft 7, so as to open the drainage channel. When the water flows backward, the water flow pushes the water baffle 9 to close the water grate 5, so as to cut off the drainage channel, thereby avoiding or weakening the water flow backward. The water baffle 9 can thus form a one-way valve.
[0054] In the embodiment, the bottom wall of the drain pipe 4 is downwardly inclined to the drain ditch 2.
[0055] With the structure, the water grate 5 is vertically placed and is not pressed by vehicles, so its service life is greatly prolonged. When normal drainage, the water flow pushes the water baffle 9 to rotate around the central axis of the U-shaped shaft 7, so as to open the drainage channel. When the water flows backward, the water flow pushes the water baffle 9 to close the water grate 5, so as to cut off the drainage channel, thereby avoiding or weakening the water flow backward. The water baffle 9 can thus form a one-way valve.
[0056] In the embodiment, the bottom wall of the drain pipe 4 is downwardly inclined to the drain ditch 2.
[0057] In the embodiment, the bottom wall of the drain pipe 4 is downwardly inclined to the drain ditch 2.
[0058] With the structure, the internal condition can be seen to determine whether to remove and clean, and the material can be selected from hard transparent plastics, including polycarbonate (PC), acrylic resin (PMMA), polyethylene terephthalate (PETG) and polymethyl methacrylate (PVC).
[0059] In the embodiment, the sidewalk base 3 and the drainage ditch 2 are made of concrete.
[0060] In the embodiment, the water grate 5 is made of stainless steel.
[0061] In the embodiment, the road and the drainage ditch 2 share the cushion 13.
[0062] The utility model can avoid that the water grate bears larger dynamic and static load, and can prevent rainwater or sewage from flowing back.
[0063] The above content is further detailed description of the utility model in combination with specific preferred embodiments, and the specific implementation of the utility model cannot be limited to the description. For the skilled in the art to which the utility model belongs, without departing from the concept of the utility model, a number of equivalent substitutions or obvious variations can be made, and the performance or use is the same, which should be regarded as belonging to the protection scope of the utility model.
Claims
1. A road pavement drainage structure, characterized by The utility model relates to a kind of road drainage structures, including: Road (1); Drainage ditch (2), which is arranged on one side of the road (1); Sidewalk base layer (3), which is padded on the drainage ditch (2), has a first installation slot (301) on the side face; Drain pipe (4), which is installed in the first installation slot (301) of the sidewalk base layer (3), is padded on the side wall of the drainage ditch (2), and has a front wall (401), and the second installation slot (402) is opened on the front wall (401); Water strainer (5), which is installed in the second installation slot (402) of the front wall (401) of the L-shaped drain pipe (4); Sleeve (6), which is fixedly installed on the upper groove wall of the second installation slot (402); U-shaped shaft (7), wherein the middle shaft segment is slidably connected in the sleeve (6); L-shaped plate (8), which is fixed on the vertical segment of the U-shaped shaft (7) both ends; Water baffle (9), which is fixed on the horizontal segment of the L-shaped plate (8).
2. The road pavement drainage structure according to claim 1, characterized in that The bottom wall of the drain pipe (4) is inclined to the drainage ditch (2).
3. The road pavement drainage structure according to claim 1, wherein The end of the drain grid (501) of the water strainer (5) is provided with a bolt (10), which penetrates the water strainer (5) and the second installation slot (402) and is fastened on the pipe wall of the drain pipe (4).
4. The road pavement drainage structure according to claim 3, characterized in that A cylinder (11) is arranged between the groove wall of the second installation slot (402) and the pipe wall of the drain pipe (4), one end of the cylinder (11) is fixed on the pipe wall of the drain pipe (4), the other end abuts on the groove wall of the second installation slot (402), and the bolt (10) is slidably connected.
5. The road pavement drainage structure according to claim 4, characterized in that The sidewall of the cylinder (11) is slidably connected to the sidewall of the two branches of the U-shaped shaft (7).
6. The road pavement drainage structure according to claim 1, wherein The two branches of the U-shaped shaft (7) penetrate the vertical plate of the L-shaped plate (8) and are fastened with nuts (12) on both sides of the vertical plate.
7. The road pavement drainage structure according to claim 1, wherein The L-shaped plate (8) and the water baffle (9) are made of transparent material.
8. The road pavement drainage structure according to claim 1, wherein The sidewalk base layer (3) and the drainage ditch (2) are made of concrete.
9. The road pavement drainage structure according to claim 1, wherein The water strainer (5) is made of stainless steel material.
10. The road pavement drainage structure according to claim 1, characterized in that The road and the drainage ditch (2) share a cushion layer (13).
Citation Information
Patent Citations
Construction device for rapidly draining water around rainwater grate
CN218580803U