An ecological drainage gate
By designing the gate frame and mudguard structure of the ecological drainage gate, the problems of complex construction and leakage of existing farmland drainage facilities have been solved, achieving simple and efficient interception of silt and pollutants, and reducing soil erosion and water pollution.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIAXING WUFENG CEMENT PROD MFG CO LTD
- Filing Date
- 2025-05-13
- Publication Date
- 2026-05-26
AI Technical Summary
Existing farmland drainage facilities are complex to construct, and leaks are common at the gate connections, making them unable to effectively intercept sediment and pollutants, leading to soil erosion and water pollution.
An ecological drainage gate was designed, which adopts an integrated gate frame, including an inclined outlet pipe, a filter screen and a mudguard. Combined with the gate frame and multiple sets of ball positioning devices, it ensures sealing and filtration effect, and intercepts silt and floating impurities through the mudguard.
It achieves simple construction, reduces soil erosion, prevents drainage ditch blockage, effectively intercepts silt and floating impurities, and improves the environmental friendliness and efficiency of farmland drainage.
Smart Images
Figure CN224281173U_ABST
Abstract
Description
Technical Field
[0001] This application pertains to the field of farmland drainage, specifically relating to an ecological drainage gate. Background Technology
[0002] In areas with relatively complete farmland drainage facilities, there are systematic drainage canals and pumping stations, which can effectively cope with a certain level of rainfall and the discharge of excess water after irrigation. However, in areas with insufficient drainage facilities, many farmlands lack effective drainage channels or have incomplete drainage systems, resulting in poor drainage.
[0003] Currently, farmland drainage mainly includes open ditch drainage, culvert drainage, horizontal drainage, and wellpoint drainage. In practical applications, multiple drainage methods are usually combined based on different terrains, soil conditions, and crop planting situations to achieve better drainage results. For example, in relatively flat plains, open ditch drainage and culvert drainage may be combined; in low-lying and flood-prone areas, wellpoint drainage may be added.
[0004] With climate change and the increasing frequency of extreme weather events, including heavy rainfall, higher demands are being placed on the drainage capacity of farmland drainage systems. Simultaneously, the application of new planting models and agricultural technologies in the process of agricultural modernization has created new requirements for farmland drainage, such as the need for precision drainage in facility agriculture. Farmland drainage often contains large amounts of pesticides, fertilizers, and other pollutants. If this drainage is directly discharged into water bodies, it will pollute surrounding rivers and lakes, impacting the aquatic ecosystem. Especially in areas with severe agricultural non-point source pollution, farmland runoff has become a significant source of water pollution. Furthermore, farmland runoff may carry away fertile soil, causing soil erosion and hindering soil fertility. Existing drainage gates typically consist of a cast-in-place frame with a gate panel, or are cemented to the sidewalls of the drainage ditch. Construction quality is often compromised, resulting in severe leakage at the gate connections, failing to meet the requirements for high-standard water conservation in farmland. Utility Model Content
[0005] The purpose of this application is to overcome the shortcomings of existing drainage gates, such as complex construction, inability to block silt and sand, and easy leakage at the outlet.
[0006] To achieve the above objectives, this application proposes an ecological drainage gate, comprising:
[0007] Gate outer frame; the gate outer frame includes a square base plate and a square back plate perpendicular to the base plate; two side plates perpendicular to the base plate and the back plate are provided on both sides of the base plate and the back plate; the base plate, the back plate and the two side plates are integrally formed;
[0008] A water outlet pipe is located near the bottom plate of the back plate and penetrates the back plate; the water outlet pipe has a downward inclination.
[0009] A gate structure, fixed to the inner side of the back plate, is used to open and close the water outlet pipe;
[0010] A filter screen, fixed to the gate structure, is used to filter floating impurities in the water; and
[0011] A mudguard, erected in the middle of the base plate or at one end of the base plate away from the back plate, is detachably connected to the two side plates.
[0012] As an improvement to the aforementioned ecological drainage gate, the outlet pipe is integrally formed with the outer frame of the gate.
[0013] As an improvement to the aforementioned ecological drainage gate, the outer frame of the gate is a concrete structure or a reinforced concrete structure.
[0014] As an improvement to the aforementioned ecological drainage gate, the gate structure includes:
[0015] A gate frame with an inverted plate structure; the gate frame has a two-layer structure with a gap in the middle;
[0016] The gate plate is inserted from top to bottom through the gap in the gate frame.
[0017] The back plate has a pre-installed flange nut; the gate frame is fixedly connected to the flange nut of the back plate using bolts.
[0018] As an improvement to the aforementioned ecological drainage gate, the gate structure also includes an opening and positioning device;
[0019] The opening and positioning device consists of multiple sets of balls distributed on both sides of the gap in the gate frame and a set of grooves at opposite positions on both sides of the gate plate.
[0020] As an improvement to the aforementioned ecological drainage gate, the two side plates protrude outward from their respective midpoints to form a protruding portion; the mudguard is located at the edge of the protruding portion near the filter screen, or at the middle of the protruding portion.
[0021] As an improvement to the aforementioned ecological drainage gate, the mudguard has multiple sections.
[0022] As an improvement to the aforementioned ecological drainage gate, multiple mudguards are of the same height or gradually increase in height along the water flow direction.
[0023] Compared with existing technologies, the advantages of this application are:
[0024] 1. The ecological drainage gate is manufactured as a single unit, making construction simple;
[0025] 2. Use mudguards to intercept sediment and reduce soil erosion in farmland;
[0026] 3. Use a filter screen to intercept floating impurities in the water to prevent drainage blockage;
[0027] 4. By utilizing the varying width of the ecological drainage gate, the water flow velocity can be altered, thus achieving a better interception of sediment.
[0028] 5. A pre-installed water outlet pipe facilitates connection with the drain pipe, eliminating the problem of water leakage at the interface. Attached Figure Description
[0029] Figure 1 The image shown is a front view of embodiment 1 of the ecological drainage gate;
[0030] Figure 2 The image shown is a rear view of embodiment 1 of the ecological drainage gate;
[0031] Figure 3 The figure shown is a longitudinal section view of embodiment 1 of the ecological drainage gate;
[0032] Figure 4 The image shown is an enlarged view of the connection between the gate frame and the back plate in Embodiment 1 of the ecological drainage gate.
[0033] Figure 5 The image shown is a front view of embodiment 1 of the ecological drainage gate;
[0034] Figure 6 The diagram shows the integration of an ecological drainage gate and a drainage canal.
[0035] Figure 7 The image shown is a front view of embodiment 2 of the ecological drainage gate;
[0036] Figure 8 The image shown is a front view of embodiment 3 of the ecological drainage gate.
[0037] Figure label:
[0038] 1. Gate outer frame; 2. Gate frame with slide plate.
[0039] 3. Gate plate 4. Filter screen
[0040] 5. Groove; 6. Mudguard
[0041] 7. Water outlet pipe 8. Protruding part
[0042] 9. Flange nuts 10. Bolts
[0043] 11. Base plate 12. Back plate
[0044] 13. Side panels Detailed Implementation
[0045] The technical solution of this application will be described in detail below with reference to the accompanying drawings.
[0046] like Figure 1-5 The image shown is the first embodiment of the ecological drainage gate of this application.
[0047] An ecological drainage gate may include a gate outer frame 1. The gate outer frame 1 may include a square base plate 11 and a square back plate 12 perpendicular to the base plate 11. Two side plates 13, perpendicular to both the base plate 11 and the back plate 12, may be present on each side of the base plate 11 and the back plate 12. The base plate 11, the back plate 12, and the two side plates 13 may be integrally formed to ensure that the gate outer frame 1 is leak-proof. The sides of the side plates 13 that do not contact the base plate 11 and the back plate 12 may be curved. The gate outer frame 1 is a concrete structure or a reinforced concrete structure.
[0048] The back plate 12 near the base plate 11 may have a downward-sloping outlet pipe 7 that penetrates the back plate 12. The outlet pipe 7 can be integrally formed with the gate outer frame 1, or a through hole can be pre-drilled in the back plate 12, through which the outlet pipe 7 passes and is sealed. The outlet pipe 7 is a PE pipe or a drainage pipe of other materials. Existing ecological drainage gates do not have a downward-sloping outlet pipe 7; instead, they only have a hole pre-drilled through the back plate 12, and for ease of production, the axis of this hole is perpendicular to the back plate 12. However, during use, the drainage pipe needs to have a certain downward angle, and in this case, the hole between the drainage pipe and the back plate 12 often cannot be sealed well, causing leakage. This application fixes the outlet pipe 7 with a certain angle to the back plate 12 during production, or integrally forms it with the back plate 12. During use, one end of the drainage pipe is connected to the outlet pipe 7, avoiding the defect of difficulty in sealing during later installation.
[0049] A gate frame 2 with an opening can be fixedly connected to the inner side of the back plate 12. Flange nuts 9 can be pre-embedded around the inner perimeter of the back plate 12, and bolts 10 can be used to fix the gate frame 2 to the back plate 12, ensuring a tight fit between the gate frame 2 and the back plate 12 to prevent leakage. The gate frame 2 can have a two-layer structure with a gap between the two layers, into which a gate plate 3 can be inserted. A handle can be provided on the top of the gate plate 3 for easy manual gripping. Multiple sets of ball bearings can be symmetrically arranged on both sides of the gap in the gate frame 2, and a groove can be provided on the opposite side of the gate plate 3. When the groove of the gate plate 3 is at the height of a set of ball bearings, that set of ball bearings can prevent the gate plate 3 from falling. Multiple sets of ball bearings allow the gate plate 3 to remain at multiple different heights within the gap in the gate frame 2, thus controlling the exposed area of the outlet pipe 7 and the drainage speed. When the gate plate 3 is pressed down, the ball retracts, allowing the gate plate 3 to descend. When the gate plate 3 is fully lowered, it completely blocks the outlet pipe 7, preventing water from flowing out. The gate frame 2 is made of PVC, PE, or other rigid materials. In other embodiments, the gate plate 3 can be raised and lowered electrically, such as by a motor. The position of the gate plate 3 can also be controlled by gears: two gears are set on both sides of the gap in the gate frame 2, and racks are set on both sides of the gate plate 3 to mesh with the gears. The gate plate 3 is raised and lowered by rotating the gears, and the position of the gate plate 3 can be fixed by fixing the rotation of the gears. The gate frame 2 can also be fixed to the back plate 12 by adhesive or other methods.
[0050] A filter screen 4 can be fixed to the inside of the gate frame 2. The filter screen 4 can be glued or fixed to the inside of the gate frame 2 with screws. Alternatively, the gate frame 2 can be configured as a multi-layer structure, and the filter screen 4 can be inserted into the gaps of the gate frame 2 like a gate plate 3. In use, filter screens 7 with different mesh sizes can be selected according to the drainage needs.
[0051] Vertical grooves 5 can be provided at opposite positions on both side plates 13. Mudguards 6 can be inserted into the grooves 5. The height of the mudguards 6 can be selected according to the water level. In other embodiments, pre-installed nuts can also be provided at opposite positions on both side plates 13, and the mudguards 6 can be fixed to the side plates 13 with screws. The mudguards 6 can intercept sediment in the water, preventing soil erosion. Simultaneously, the mudguards 6 also function as overflow drainage; only water above the mudguards 6 can be filtered out, retaining undecomposed sedimentary fertilizer in the water, thus avoiding fertilizer waste and environmental pollution.
[0052] like Figure 6As shown, in use, one end of the drain pipe is connected to the outlet pipe 7 using silicone sealant, and the other end is inserted into the drainage ditch. The gate plate 3 is lifted to a certain height, exposing part or all of the outlet pipe 7. Farmland water flows into the ecological drainage gate from the opening side of the gate's outer frame 1. The water flow is first blocked by the mudguard 6, causing sediment to settle before the mudguard 6. After overflowing the mudguard 6, the water flows into the ecological drainage gate and then into the drain pipe from the outlet pipe 7. Before the water flows into the outlet pipe 7, the filter screen 4 intercepts some floating impurities in the ecological drainage gate, preventing impurities from flowing into the drainage ditch and causing blockages.
[0053] like Figure 7 The following is a second embodiment of this application.
[0054] In this embodiment, unlike in embodiment one, the two side plates 13 may have outwardly protruding portions 8 in opposite positions. A groove 5 is located in or near the edge of the filter screen 4 within the protruding portion 8, and a mudguard 6 is also located in or near the edge of the filter screen 4 within the protruding portion 8. The two protruding portions 8 change the water flow area within the gate's outer frame 1. After water flows into the ecological drainage gate, the water flow slows down as it passes through the protruding portions 8, making it easier for sediment and undecomposed bottom fertilizer to settle. The mudguard 6 can also intercept more sediment and undecomposed bottom fertilizer, reducing soil erosion.
[0055] like Figure 8 The following is a third embodiment of this application.
[0056] In this embodiment, unlike embodiment two, the protruding portion 8 has two sets of grooves 5. One set of grooves 5 is located at the edge of the protruding portion 8 near the filter screen 4, and the other set of grooves 5 is located in the middle of the protruding portion 8. Mudguards 6 are inserted into both sets of grooves 5. When water flows in the outer frame 1 of the gate, it encounters the first mudguard 6, and the water flow is obstructed. Some of the silt and undecomposed sediment will be intercepted by the first mudguard 6. When the water flow is large or the content of silt and undecomposed sediment in the water is high, some silt and undecomposed sediment will also pass over the first mudguard 6 with the water flow. When passing over the first mudguard 6, the water flow will encounter the second mudguard 6. At this time, the water flow will form a vortex below the second mudguard 6. Due to the obstruction of the second mudguard 6, the remaining silt and undecomposed sediment will also be blocked and settle down. Therefore, the two sets of mudguards 6 can better intercept silt and undecomposed sediment in the water.
[0057] The two mudguards 6 can be the same height, or the height of the mudguards 6 can be increased along the direction of water flow, so as to better intercept silt and undecomposed sediment.
[0058] In other embodiments, if the side plate 13 is long enough, the protruding portion 8 can be made even longer, and more mudguards can be installed within it. Multiple sets of mudguards can better intercept silt and undecomposed sediment in the water, thus playing a better role in preventing soil erosion.
[0059] Multiple mudguards 6 can be of the same height, or the height of mudguards 6 can increase sequentially along the direction of water flow, which can better intercept silt and undecomposed sediment.
[0060] In other embodiments, in order to reduce the manufacturing cost of the ecological drainage gate, the protruding part 8 on the side plate 13 can be omitted. Based on the first embodiment, the number of mudguards 6 can be increased, which can also increase the interception effect on silt and undecomposed settled fertilizer to a certain extent.
[0061] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application and are not intended to limit it. Although this application has been described in detail with reference to the embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solutions of this application do not depart from the spirit and scope of the technical solutions of this application, and should all be covered within the scope of the claims of this application.
Claims
1. An ecological drainage gate, characterized in that, include: Gate outer frame; the gate outer frame includes a square base plate and a square back plate perpendicular to the base plate; two side plates perpendicular to the base plate and the back plate are provided on both sides of the base plate and the back plate; the base plate, the back plate and the two side plates are integrally formed; A water outlet pipe is located near the bottom plate of the back plate and penetrates the back plate; the water outlet pipe has a downward inclination. A gate structure, fixed to the inner side of the back plate, is used to open and close the water outlet pipe; A filter screen, fixed to the gate structure, is used to filter floating impurities in the water; and A mudguard, erected in the middle of the base plate or at one end of the base plate away from the back plate, is detachably connected to the two side plates.
2. The ecological drainage gate according to claim 1, characterized in that, The water outlet pipe is integrally formed with the outer frame of the gate.
3. The ecological drainage gate according to claim 1, characterized in that, The outer frame of the gate is a concrete structure or a reinforced concrete structure.
4. The ecological drainage gate according to claim 1, characterized in that, The gate structure includes: A gate frame with an inverted plate structure; the gate frame has a two-layer structure with a gap in the middle; The gate plate is inserted from top to bottom through the gap in the gate frame. The back plate has a pre-installed flange nut; the gate frame is fixedly connected to the flange nut of the back plate using bolts.
5. The ecological drainage gate according to claim 4, characterized in that, The gate structure also includes an opening and positioning device; The opening and positioning device consists of multiple sets of balls distributed on both sides of the gap in the gate frame and a set of grooves at opposite positions on both sides of the gate plate.
6. The ecological drainage gate according to claim 1, characterized in that, The two side plates protrude outward from their respective midpoints to form a protruding portion; the mudguard is located at the edge of the protruding portion near the filter screen, or at the middle of the protruding portion.
7. The ecological drainage gate according to claim 1 or 6, characterized in that, The mudguard has multiple sections.
8. The ecological drainage gate according to claim 7, characterized in that, The height of the multiple mudguards is the same, or gradually increases along the direction of water flow.