An irrigation device for landscaping
By introducing a buffer filter chamber and a flexible silicone membrane into the irrigation device, the problem of uneven irrigation caused by flow fluctuations is solved, achieving uniform irrigation and anti-clogging capabilities under complex conditions, and meeting the requirements for high reliability and maintenance-free operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YICHANG GEZHOUBAFENGJING GARDEN CO LTD
- Filing Date
- 2025-09-01
- Publication Date
- 2026-07-21
AI Technical Summary
Existing irrigation devices suffer from unstable flow rates when pressure fluctuates, resulting in uneven water distribution to plants, making precise irrigation impossible, and they are also prone to clogging and difficult to maintain.
The irrigation device, which adopts a purely mechanical structure, includes a buffer filter chamber, a regulating chamber, and a flexible silicone diaphragm. It automatically compensates for pressure fluctuations, ensures a constant flow rate, and improves its anti-clogging ability through a detachable design.
It automatically maintains a stable outlet flow under complex pipeline network conditions, achieving uniform irrigation, preventing local waterlogging and root rot, and drought stress, and possesses high reliability and convenient maintenance.
Smart Images

Figure CN224521967U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of garden irrigation technology, specifically to an irrigation device for garden greening. Background Technology
[0002] With the widespread application of water-saving irrigation technology in the field of landscaping, precision irrigation methods such as drip irrigation and subsurface irrigation have become industry standards. The core component of this technology is the irrigation device (such as drippers and drip arrows), whose performance directly determines the uniformity, water-saving efficiency, and reliability of the irrigation system. Most ordinary irrigation devices show a positive correlation between their outlet flow rate and inlet pressure. When the pipeline pressure fluctuates, or when there is an inconsistency between the initial and final pressures due to terrain differences or pipe friction, it can cause significant differences in outlet flow rates at different locations within the irrigation system. This directly leads to uneven watering of plants, with some areas experiencing waterlogging and root rot, while others suffer from drought stress, failing to achieve the goal of precision irrigation. Therefore, there is an urgent need in this field for a highly reliable irrigation device with a purely mechanical structure that can automatically maintain a constant outlet flow rate, strong anti-clogging capabilities, and easy maintenance. To address this need, an irrigation device for landscaping has been designed. Utility Model Content
[0003] The purpose of this utility model is to provide an irrigation device for landscaping, which overcomes the shortcomings of the prior art and provides a purely mechanical irrigation device with a clever structure, no external power required, automatic compensation for pressure fluctuations, and constant output flow, thereby solving the industry pain point mentioned in the background art of uneven watering of plants caused by huge flow fluctuations with pressure in ordinary irrigation devices.
[0004] To achieve the above objectives, this utility model provides the following technical solution: an irrigation device for landscaping, comprising a main pipe, branch pipes, and an irrigation mechanism. Several branch pipes are connected to the main pipe. The irrigation mechanism includes a housing and a filter cylinder. The housing has an inlet and an outlet. The end of each branch pipe away from the main pipe is connected to the inlet of the housing. A buffer filtration chamber and an adjustment chamber are respectively provided inside the housing. The filter cylinder is located in the buffer filtration chamber. A through pipe communicating with the filter cylinder is provided on the inner wall of the adjustment chamber. A flexible silicone diaphragm is provided in the adjustment chamber. The flexible silicone diaphragm is perpendicular to the water flow direction of the adjustment chamber, and there is a gap between the flexible silicone diaphragm and the adjustment chamber.
[0005] Based on the above technical solution, the present invention can be further improved as follows.
[0006] Preferably, the housing includes a detachably connected left and right shell, which can be separated to open the buffer filter chamber.
[0007] Preferably, a partition is provided inside the outer shell, which divides the internal space of the outer shell into a buffer filter chamber and an adjustment chamber, and the two ends of the through pipe pass through the partition and the filter cylinder respectively.
[0008] Preferably, the filter cartridge is provided with a connecting plate, and the filter cartridge is fixedly connected to the inner wall of the outer shell through the connecting plate.
[0009] Preferably, the filter cylinder has a square hole, and a filter screen is disposed inside the square hole.
[0010] Preferably, a plurality of clamping plates are provided on the inner wall of the adjustment cavity, the clamping plates are distributed along the circumference of the adjustment cavity, and the flexible silicone diaphragm is fixedly connected to the clamping plates.
[0011] Preferably, the outer casing is provided with a pressure relief hole, which is connected to the regulating chamber. The pressure relief hole is connected to the main pipeline through a return hose, and a one-way valve is provided on the return hose.
[0012] Beneficial effects Compared with the prior art, the technical solution of this application has the following beneficial technical effects: This invention can automatically maintain a highly stable outlet flow rate under complex pipeline network conditions and terrain elevation differences, ensuring extremely uniform irrigation. At the same time, its detachable and washable structure gives the product superior anti-clogging ability and convenient maintenance. Ultimately, it perfectly meets the market's urgent need for a highly reliable, maintenance-free constant flow irrigation device in a purely mechanical form, fundamentally eliminating local waterlogging and root rot and drought stress, and achieving truly precise irrigation. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the orthographic section of the present invention; Figure 2 for Figure 1 A cross-sectional three-dimensional structural schematic diagram; Figure 3 This is a front view structural diagram of the present invention; Figure 4 This is a side view of the three-dimensional structure of the present invention.
[0014] In the diagram: 1. Main pipe; 2. Branch pipe; 3. Outer shell; 4. Filter cartridge; 5. Buffer filter chamber; 6. Adjustment chamber; 7. Through pipe; 8. Flexible silicone diaphragm; 9. Connecting ring; 10. Connecting pipe; 11. Partition plate; 12. Connecting plate; 13. Filter screen; 14. Clamping plate; 15. Pressure relief hole; 16. Return hose; 17. Check valve. 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: an irrigation device for landscaping, including a main pipe 1, branch pipes 2, and an irrigation mechanism. The main pipe 1 is connected to several branch pipes 2. The irrigation mechanism includes a shell 3 and a filter cylinder 4. The shell 3 is divided into a left shell and a right shell. A connecting ring 9 is fixedly connected to one side of the right shell. The left shell has a circular groove adapted to the connecting ring 9 on its side. A rubber sealing ring is fitted on the circular groove. The right shell is threadedly connected to the left shell through the connecting ring 9. By separating the shell 3, it is convenient to clean the filter cylinder 4 inside the shell 3 regularly, preventing impurities from clogging the filter cylinder 4. This gives the irrigation device a strong anti-clogging ability and convenient maintenance.
[0017] The outer casing 3 is provided with an inlet and an outlet. The end of the branch pipe 2 away from the main pipe 1 is connected to the inlet of the outer casing 3. A connecting pipe 10 is fixedly connected to the inlet of the outer casing 3, and the connecting pipe 10 is sleeved on the branch pipe 2 and threadedly connected to the branch pipe 2. A rubber sealing ring 2 is provided between the inlet of the outer casing 3 and the branch pipe 2. By providing the connecting pipe 10 on the irrigation device, it is convenient to connect the device to the branch pipes 2 at various points on the main pipe 1.
[0018] Furthermore, the outer shell 3 is provided with a buffer filter chamber 5 and an adjustment chamber 6 respectively. The filter cylinder 4 is located in the buffer filter chamber 5. The inner wall of the adjustment chamber 6 is provided with a pipe 7 that connects to the filter cylinder 4. The outer shell 3 is provided with a partition 11, which divides the internal space of the outer shell into the buffer filter chamber 5 and the adjustment chamber 6. The two ends of the pipe 7 pass through the partition 11 and the filter cylinder 4 respectively and are fixedly connected to the partition 11 and the filter cylinder 4. By providing the pipe 7, it is convenient for the water to flow into the adjustment chamber 6 inside the outer shell 3 after the filter cylinder 4 has filtered the water, which greatly reduces the damage of impurities to the internal structure of the adjustment chamber 6.
[0019] The filter cylinder 4 is symmetrically provided with connecting plates 12, and the filter cylinder 4 is fixedly connected to the inner wall of the outer shell 3 through the connecting plates 12. The filter cylinder 4 is symmetrically provided with filter square holes, and filter screens 13 are provided in the filter square holes. The filter screens 13 are composed of multiple layers of filter screens with different pore sizes. The filter square holes and the connecting plates 12 are arranged in a cross pattern. The setting of the connecting plates 12 greatly increases the connection stability between the filter cylinder 4 and the outer shell 3. At the same time, the setting of the filter cylinder 4 can slow down and buffer the extremely fast water flow, and allow the buffered water flow to enter the filter cylinder 4 through the filter screens 13 on the filter cylinder 4.
[0020] A flexible silicone diaphragm 8 is provided in the regulating cavity 6, and the midpoint of the flexible silicone diaphragm 8 and the outlet of the outer shell 3 are on the same axis. Several clamping plates 14 are provided on the inner wall of the regulating cavity 6. The clamping plates 14 are distributed around the circumference of the regulating cavity 6, and a clamping groove is opened on the side of the clamping plate 14 away from the outer shell 3. The flexible silicone diaphragm 8 is inserted into the clamping plate 14 and fixedly connected to the clamping plate 14. By providing a flexible silicone diaphragm 8 in the regulating cavity 6 of the outer shell 3, the toughness and elasticity of the diaphragm can be used to control the water flow at the outlet of the outer shell 3, so that each branch pipe 2 on the main pipe 1 can receive a uniform amount of water, preventing different areas from being too dry or too flooded.
[0021] The outer casing 3 is provided with a pressure relief hole 15, and a return hose 16 is provided between the pressure relief hole 15 and the main pipe 1. A miniature one-way valve 17 is provided on the return hose 16. By providing the pressure relief hole 15, when the water pressure inside the main pipe 1 is too high, in order to avoid damage to the diaphragm, the water flow in the regulating chamber 6 inside the outer casing 3 can be depressurized through the pressure relief hole 15. The flow rate of this pressure relief hole 15 is extremely small, and it usually does not exist in the form of "water flow", but in the form of "water vapor" or "slow leakage". Its core function is to balance air pressure or provide a small amount of pressure relief, rather than drainage. In order to avoid water waste, a return hose 16 is specially provided at the pressure relief hole 15 so that the water flow can return to the main pipe 1 and then enter other branch pipes 2 with insufficient pressure. The setting of the pressure relief hole 15 does not affect the normal drainage of the regulating chamber 6. Only when the pressure in the regulating chamber 6 is too high will the pressure relief hole 15 be opened to depressurize the regulating chamber 6. After depressurization, it will return to the original state of slow dripping.
[0022] This embodiment can automatically maintain a highly stable outlet flow rate under complex pipeline network conditions and terrain elevation differences, ensuring extremely uniform irrigation. At the same time, its detachable and washable structure gives the product superior anti-clogging ability and convenient maintenance. Ultimately, it perfectly meets the market's urgent need for a highly reliable, maintenance-free constant flow irrigation device in a purely mechanical form, fundamentally eliminating local waterlogging and root rot and drought stress, and achieving truly precise irrigation.
[0023] Working principle: When the inlet pressure increases, the high-pressure water flow acts on the flexible silicone diaphragm 8, driving the diaphragm to produce a concave deformation, reducing the flow area of the outlet of the outer shell 3. Due to the reduction of the flow channel area, the local resistance of the fluid increases, thereby consuming the excess pressure potential energy and suppressing the trend of increasing flow rate.
[0024] When the inlet pressure decreases: the pressure acting on the flexible silicone diaphragm 8 decreases, and the flexible diaphragm rebounds and resets itself due to its own elasticity, increasing the flow area of the outlet of the outer shell 3. The flow channel area increases, the fluid resistance decreases, and thus the flow rate is maintained at a certain level, avoiding flow rate decay.
[0025] The mechanisms, components, and parts in this utility model that are not specifically described are all existing structures that already exist in the prior art and can be purchased directly from the market.
[0026] 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. An irrigation device for landscaping, characterized in that: The system includes a main pipe (1), branch pipes (2), and an irrigation mechanism. Several branch pipes (2) are connected to the main pipe (1). The irrigation mechanism includes a shell (3) and a filter cylinder (4). The shell (3) is provided with an inlet and an outlet. The end of the branch pipe (2) away from the main pipe (1) is connected to the inlet of the shell (3). The shell (3) is provided with a buffer filter chamber (5) and an adjustment chamber (6). The filter cylinder (4) is located in the buffer filter chamber (5). The inner wall of the adjustment chamber (6) is provided with a through pipe (7) that connects to the filter cylinder (4). The adjustment chamber (6) is provided with a flexible silicone membrane (8). The flexible silicone membrane (8) is perpendicular to the water flow direction of the adjustment chamber (6), and there is a gap between the flexible silicone membrane (8) and the adjustment chamber (6).
2. The irrigation device for landscaping as described in claim 1, characterized in that: The outer casing (3) includes a detachably connected left and right casings that can be separated to open the buffer filter chamber (5).
3. The irrigation device for landscaping as described in claim 1, characterized in that: The shell (3) is provided with a partition (11), which divides the internal space of the shell (3) into a buffer filter chamber (5) and an adjustment chamber (6), and the two ends of the through pipe (7) pass through the partition (11) and the filter cylinder (4) respectively.
4. The irrigation device for landscaping according to claim 1, characterized in that: The filter cylinder (4) is provided with a connecting plate (12), and the filter cylinder (4) is fixedly connected to the inner wall of the outer shell (3) through the connecting plate (12).
5. The irrigation device for landscaping according to claim 1, characterized in that: The filter cylinder (4) has a square hole, and a filter screen (13) is installed inside the square hole.
6. The irrigation device for landscaping according to claim 1, characterized in that: Several clamping plates (14) are provided on the inner wall of the adjustment cavity (6). The clamping plates (14) are distributed along the circumference of the adjustment cavity (6). The flexible silicone diaphragm (8) is fixedly connected to the clamping plates (14).
7. The irrigation device for landscaping according to claim 1, characterized in that: The outer shell (3) is provided with a pressure relief hole (15), and the pressure relief hole (15) is connected to the regulating chamber (6). The pressure relief hole (15) is connected to the main pipe (1) through the return hose (16). A one-way valve (17) is provided on the return hose (16).