Agricultural cultivation drip irrigation device

Abstract

The invention discloses an agricultural cultivation drip irrigation device, and relates to the technical field of seed and seedling cultivation equipment, the agricultural cultivation drip irrigation device comprises a planting rack, a mounting rack, a plurality of groups of planting pots, a sleeve, an inner pipe, an insertion pipe, a mounting mechanism and a sealing mechanism, the mounting rack is fixed on the planting rack in a triangular shape, the planting pots are detachably mounted on the mounting rack, the sleeve is fixed in the mounting rack, and the inner pipe is fixed in the mounting rack; when the insertion pipes are inserted, the installation mechanism passively drives the insertion pipes to be connected with the inner pipes in a sealed mode and communicate with a drip irrigation water source, and the sealing mechanism reinforces connection of the insertion pipes and the inner pipes and improves the sealing effect by means of water flow impact force and the gravity of cultivation soil in the planting pots. The installation mechanism comprises a conical column, an ejector rod, a movable plate, a movable cap and other components, and automatic communication and water flow guiding and filtering can be achieved. The sealing mechanism is composed of a fixed clamping ring and a movable clamping ring which are meshed with each other, mounting and dismounting convenience and sealing stability are both considered, and the drip irrigation device is suitable for drip irrigation in traditional Chinese medicine seedling cultivation scenes.

Description

Technical Field

[0001] This invention relates to seed and seedling cultivation equipment technology, specifically an agricultural drip irrigation device. Background Technology

[0002] As is well known, in the field of Chinese medicinal herb seedling cultivation, existing technologies mostly employ planting racks within greenhouses for seedling cultivation. These racks typically feature planting containers to hold the potting soil and seedlings, coupled with a drip irrigation system to provide water to the seedlings. These planting racks require manual installation and fixation of the planting containers, followed by manual connection of the drip irrigation lines to the water source interface before drip irrigation can commence. Furthermore, the existing sealing structure of the drip irrigation lines and water source interface is simple, relying solely on basic connectors for fixation. Adding potting soil to the planting containers increases the risk of loosening due to gravity, leading to water leakage. Additionally, the lack of water filtration and guidance design makes it easy for impurities to clog the drip irrigation lines or for excessive water flow to negatively impact seedling growth. Moreover, when disassembling the planting containers, the sealing structure is prone to jamming, hindering flexible adjustment or replacement of the containers. Overall, the ease of operation, connection stability, and drip irrigation accuracy all require improvement. Summary of the Invention

[0003] The purpose of this invention is to provide an agricultural drip irrigation device to overcome the aforementioned shortcomings of the prior art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: comprising: a planting frame, wherein a mounting frame is fixedly arranged in a triangular shape on the planting frame; and further comprising: Multiple sets of planting pots, which can be detachably installed on the mounting frame; Sleeves, multiple sets of sleeves are fixedly installed in the mounting bracket; Inner tube, which is fixedly installed inside the sleeve and connected to the water valve; Insertion tube, which is fixedly installed at both ends on one side of the planting pot and can be detachably inserted into the sleeve; The installation mechanism is installed inside the sleeve and the insert tube. The installation mechanism is connected to the insert tube in a driving manner. When the insert tube is inserted into the sleeve, the installation mechanism passively drives the connection and seal between the insert tube and the inner tube, opening the connection between the inner tube and the insert tube to allow the drip irrigation water source to flow into the drip tube. At the same time, the sealing mechanism uses the impact force of the water flow and the weight of the potting soil in the planting pot to provide reinforcement and sealing protection for the connection between the insert tube and the inner tube.

[0005] As a further description of the above technical solution: the installation mechanism includes insertion tubes fixedly installed at both ends of one side of the planting rack. The ends of the insertion tubes are connected to a drip tube set above the planting pot via water pipes. A conical column is fixedly connected to one end of the water pipe inside the insertion tube. The tip of the conical column faces the opening end of the insertion tube and is fixedly connected to a top rod. The surface of the conical column is evenly spaced with outwardly protruding abutment plates. A filter plate is provided on the surface of the conical column between multiple sets of abutment plates.

[0006] As a further description of the above technical solution: the installation mechanism also includes an annular slot formed by the inner side of the sleeve and the outer side of the inner tube, a detachable insert tube is inserted into the slot, the bottom end of the inner tube is connected to a water valve, a fixing ring is fixedly connected to the inner wall of the top end of the inner tube, and multiple sets of movable plates with elastic deformation capabilities are connected to the end of the fixing ring facing the water valve of the inner tube. The multiple sets of movable plates are combined in a trapezoidal arc shape to form a cone shape, and the tips of the multiple sets of movable plates are movably inserted into the movable cap.

[0007] As a further description of the above technical solution: a limiting ball is fixedly connected to the outer side of the tip position of multiple sets of movable plates, the limiting ball is slidably connected in the limiting groove, and the limiting groove is correspondingly opened on the inner side wall of the movable cap.

[0008] As a further description of the above technical solution: sealing elements are provided at the connection points between the multiple sets of movable plates, as well as at the contact points between the inner side of the movable cap and the end faces of the tips of the multiple sets of movable plates.

[0009] As a further description of the above technical solution: the sealing mechanism includes a fixed retaining ring disposed on the outer periphery of the inner tube and a movable retaining ring disposed on the inner side of the insertion tube, wherein the fixed retaining ring and the movable retaining ring are engaged and connected.

[0010] As a further description of the above technical solution: both the fixed retaining ring and the movable retaining ring have sharp tips and expand outwards. The tip of the fixed retaining ring on the outer side of the inner tube expands inwards, and the movable retaining ring on the inner side of the insertion tube expands inwards at its tip.

[0011] As a further description of the above technical solution: the movable cap is provided with a flow guiding membrane that can be recessed inward or protruded outward.

[0012] As a further description of the above technical solution: the movable cap is configured as a cone with an isosceles trapezoidal cross-section.

[0013] As a further description of the above technical solution: when the guide membrane inside the movable cap contracts into the movable cap, it forms a groove on the surface of the movable cap; when the guide membrane inside the movable cap protrudes outward, it forms a cone with an isosceles trapezoidal cross-section on the end face of the movable cap facing the water valve.

[0014] In the above technical solution, the agricultural drip irrigation device provided by the present invention has the following beneficial effects: 1. Achieve automatic connection for drip irrigation: When inserting the tube into the sleeve, the installation mechanism can passively drive the tube to connect and seal with the inner tube and open the connection. No additional manual operation is required. After the planting pot is installed, it can automatically supply water for drip irrigation, improving the convenience of operation.

[0015] 2. Ensure stable connection and sealing: The sealing mechanism combines the impact force of water flow with the weight of the potting soil inside the planting pot, making the fixed and movable retaining rings mesh more tightly. This not only enhances the sealing effect after the planting pot bears the weight, but also prevents water leakage, and does not affect the subsequent disassembly of the planting pot.

[0016] 3. Optimize water flow and guidance: The guide membrane inside the movable cap can switch shapes with the movement of the top rod. When it protrudes, it can guide the water flow to reduce impact. Combined with the expansion of the movable plate, it forms a stable water flow channel. The filter plate on the surface of the conical column can also filter the water flow and prevent impurities from clogging the drip tube.

[0017] 4. Ensure stable water flow: The contact plate of the conical column in the installation mechanism can resist and limit the movable plate in the expanded state, preventing water flow impact from causing changes or contraction in the gap of the movable plate, ensuring stable drip irrigation water flow, and meeting the precise water requirements of seedling cultivation.

[0018] 5. Adaptable to flexible cultivation needs: The planting pots are detachable and easy to replace or adjust according to cultivation needs. The overall structure of the device is adapted to greenhouse planting racks, and is especially suitable for the cultivation of water-sensitive seedlings such as Chinese medicinal herbs. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0020] Figure 1 This is a schematic diagram of the overall structure provided for an embodiment of the present invention; Figure 2 This is a schematic diagram of the mounting bracket provided in an embodiment of the present invention; Figure 3 This is a schematic diagram of the structure of a planting pot provided in an embodiment of the present invention; Figure 4 This is a schematic diagram of the internal structure of the cannula and insertion tube in a separated state provided in an embodiment of the present invention; Figure 5 This is a schematic diagram of the structure of the movable cap and movable plate in two states after being separated, according to an embodiment of the present invention. Figure 6This is a schematic diagram of the structure of the flow-guiding membrane inside the active cap in two states provided in an embodiment of the present invention; Figure 7 This is a schematic diagram of the structure of the sealing element between multiple sets of movable plates provided in an embodiment of the present invention; Figure 8 This is a schematic diagram of the structure of the inner side of the active cap provided in an embodiment of the present invention; Figure 9 The diagram shows the structure of the sealing mechanism in two states provided in the embodiments of the present invention.

[0021] Explanation of reference numerals in the attached figures: 1-Planting rack; 2-Mounting rack; 3-Planting pot; 4-Drip tube; 5-Sleeve; 6-Insertion tube; 7-Water valve; 8-Water pipe; 9-Fixing retaining ring; 10-Slot; 11-Top rod; 12-Filter plate; 13-Movable cap; 14-Movable plate; 15-Inner tube; 16-Movable retaining ring; 17-Abutting plate; 18-Conical column; 19-Fixing ring; 20-Guiding membrane; 21-Limiting ball; 22-Limiting groove; 23-Sealing element. Detailed Implementation

[0022] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0023] Please see Figures 1-9 This invention provides a technical solution for an agricultural drip irrigation device, comprising: a planting frame 1, on which a mounting frame 2 is fixedly mounted in a triangular shape; and further comprising: Multiple sets of planting pots 3, which can be detachably installed on the mounting frame 2; Sleeve 5, multiple sets of sleeve 5 are fixedly installed in the mounting bracket 2; Inner pipe 15 is fixedly installed inside sleeve 5 and connected to water valve 7; Insertion tube 6 is fixedly installed at both ends of one side of the planting pot 3 and can be detachably inserted into the sleeve 5; The installation mechanism is installed inside the sleeve 5 and the insertion tube 6. The installation mechanism is connected to the insertion tube 6 by a drive. When the insertion tube 6 is inserted into the sleeve 5, the installation mechanism passively drives the connection and seal between the insertion tube 6 and the inner tube 15, opening the connection between the inner tube 15 and the insertion tube 6 to allow the drip irrigation water source to flow into the drip pipe 4. At the same time, the sealing mechanism uses the impact force of the water flow and the weight of the cultivation soil in the planting pot 3 to provide reinforcement and sealing protection for the connection between the insertion tube 6 and the inner tube 15.

[0024] The cultivation of Chinese medicinal herbs is also a part of agricultural planting. Before planting Chinese medicinal herbs, in order to cultivate good seedlings, the seedlings are usually cultivated on planting racks installed in greenhouses. During the cultivation of seedlings, since the seedlings are in the initial growth stage, they do not need to be watered too much. They only need to be supplemented with water by drip irrigation. Before planting and cultivating Chinese medicinal seedlings, the planting pot 3 needs to be installed on the mounting frame 2 set on the planting rack 1. Then, add the cultivation soil and Chinese medicinal seedlings to the planting pot 3 for planting and cultivation. During the cultivation process, the water can be drip-irrigated to the planting pot 3 using the drip pipe 4. The planting rack 1 is equipped with a water storage mechanism or can be directly connected to an external water source. The water is connected to the water valve 7 through the water pipe 8 in the mounting rack 2, and then connected to the inner pipe 15 through the water valve 7 and discharged into the drip pipe 4 through the insertion pipe 6 for drip irrigation. In another embodiment of the present invention, preferably, the installation mechanism includes insertion tubes 6 fixedly installed at both ends of one side of the planting rack 1. The end of the insertion tube 6 is connected to a drip tube 4 set above the planting pot 3 through a water pipe 8. A conical column 18 is fixedly connected to one end of the water pipe 8 inside the insertion tube 6. The tip of the conical column 18 faces the opening end of the insertion tube 6 and is fixedly connected to a top rod 11. The surface of the conical column 18 is evenly spaced with outwardly protruding abutment plates 17. A filter plate 12 is provided on the surface of the conical column 18 between multiple sets of abutment plates 17.

[0025] In another embodiment of the present invention, the installation mechanism further includes an annular slot 10 formed by the inner side of the sleeve 5 and the outer side of the inner tube 15. A detachable insert tube 6 is inserted into the slot 10. The bottom end of the inner tube 15 is connected to a water valve 7. A fixing ring 19 is fixedly connected to the inner wall of the top end of the inner tube 15. The fixing ring 19 is connected to a plurality of movable plates 14 with elastic deformation capabilities at the end facing the water valve 7 of the inner tube 15. The plurality of movable plates 14 are combined in a trapezoidal arc shape to form a cone shape. The tips of the plurality of movable plates 14 are movably inserted into the movable cap 13.

[0026] In another embodiment of the present invention, a limiting ball 21 is fixedly connected to the outer side of the tip position of multiple sets of movable plates 14, and the limiting ball 21 is slidably connected in the limiting groove 22, which is correspondingly opened on the inner side wall of the movable cap 13.

[0027] In another embodiment of the present invention, a sealing element 23 is provided at the connection between the multiple sets of movable plates 14, as well as at the contact point between the inner side of the movable cap 13 and the end face of the tip of the multiple sets of movable plates 14.

[0028] During the installation between the planting pot 3 and the mounting frame 2, the drip pipe 4 is automatically connected to the water valve 7 located inside the mounting frame 2. This allows for automatic connection between the water valve 7 and the drip pipe 4 after the planting pot 3 is installed, enabling drip irrigation of the medicinal herb seedlings cultivated in the planting pot 3. The specific principle is as follows: When installing the planting pot 3, the insertion tubes 6, which are set at both ends of the installation plate on one side of the installation mechanism, are inserted into the sleeves 5 set on the surface of the mounting frame 2. An inner tube 15 is fixedly installed at the center of the sleeve 5 and is connected to the water valve 7. A slot 10 is opened between the inside of the sleeve 5 and the outside of the inner tube 15. The insertion tube 6 is inserted into the slot 10. The sealing mechanism fixes the insertion tube 6 in the slot 10 and connects it with the sleeve 5 and the inner tube 15. During the process of inserting the insertion tube 6 into the slot 10, the surface of the fixing ring 19 fixedly installed inside the insertion tube 6 is provided with a hollow conical column 18 that protrudes outward. A top rod 11 is provided at the top of the conical column 18. During the process of inserting the peripheral wall of the insertion tube 6 into the slot 10, the top rod 11 and the conical column 18 are inserted into the inner tube 15. Specifically, the following is observed: The push rod 11 first contacts multiple sets of arc-shaped movable plates 14 and is guided by the movable plates 14 to slide forward and abut against the inside of the movable cap 13. At this time, the push rod 11 first pushes the guide film 20 set inside the movable cap 13 from the attachment Figure 5 The S1 state, which is concave inward, continues to push outward to the attachment. Figure 5 In state S2, where the plate protrudes outwards, the push rod 11 continues to push, causing the movable cap 13 to slide away from the movable plate 14. This utilizes the conical shape of the movable cap 13 to slide the limiting balls 21 located on the outer side of the top of the multiple movable plates 14 within the limiting grooves 22 on the inner side of the movable cap 13, from top to bottom. Thus, the shape of the movable cap 13 restricts the movement of the tops of the multiple movable plates 14 from the attached... Figure 5 In the S1 state, the fitted state changes to the expanded state in the S2 state. As the top positions of the multiple sets of movable plates 14 expand, the connection between the multiple sets of movable plates 14 also expands. The gaps that are leaked can allow water to flow. The water flows through the gaps between the multiple sets of movable plates 14 to the filter plate 12 on the surface of the conical column 18 set in the insertion tube 6. After passing through the filter plate 12, the water flows into the water pipe 8 and then into the drip tube 4 for drip irrigation. At the same time, the contact plate 17 set on the surface of the conical column 18 corresponding to the inner side of the movable plate 14 abuts against the inner side of the movable plate 14 to prevent the expansion gap between the movable plates 14 from changing with the impact of the water flow or even shrinking directly. The contact plate 17 is used to limit the gap between the movable plates 14. And as attached Figure 6In state S2, the guide membrane 20 is pushed outward by the push rod 11, forming a cone shape with the guide membrane 20 and the movable cap 13 as a whole. This also provides a guiding effect for the water flow, reduces the impact of the water flow on the movable cap 13, and thus better fixes the position of the multiple movable plates 14 during expansion.

[0029] In another embodiment of the present invention, the sealing mechanism includes a fixed retaining ring 9 disposed on the outer periphery of the inner tube 15 and a movable retaining ring 16 disposed on the inner side of the insertion tube 6, wherein the fixed retaining ring 9 and the movable retaining ring 16 are engaged with each other.

[0030] In another embodiment of the present invention, both the fixed retaining ring 9 and the movable retaining ring 16 have sharp tips and expand outwards. The tip of the fixed retaining ring 9 on the outer side of the inner tube 15 expands inwards, while the movable retaining ring 16 on the inner side of the insertion tube 6 expands inwards at its tip.

[0031] Utilizing the significant downward force of the added potting soil in the planting pot 3, the sealing mechanism provides a better seal between the water valve 7 and the drip tube 4. This seal does not hinder the removal of the planting pot 3, ensuring both quick installation and disassembly while maintaining a tight seal at the connection point. Even if the planting pot 3 falls a certain distance due to gravity, the seal remains effective. The specific principle is as follows: Combined with appendix Figure 9 After the planting pot 3 is installed, the sealing part 23 has two states: state A, where the planting pot 3 is in a cavity; and state B, where the gravity of the planting pot 3 increases greatly after the addition of potting soil. In state A, the fixed retaining ring 9, fixed on the outside of the inner tube 15, and the movable retaining ring 16, fixed on the inside of the insertion tube 6, engage with each other at their ends. Both the fixed retaining ring 9 and the movable retaining ring 16 are made of a material with elastic deformation capability (such as rubber), with sharp, outwardly expanding tips and their bottom ends fixedly connected to the surface of the inner tube 15 and the inner wall of the insertion tube 6. The tip of the fixed retaining ring 9 on the outside of the inner tube 15 is inclined inwards, and the movable retaining ring 16 on the inside of the insertion tube 6 is also inclined inwards. Therefore, when the insertion tube 6 is inserted into the slot 10, the inclined position of the outer tip of the movable retaining ring 16 and the inclined position of the outer tip of the fixed retaining ring 9 on the outside of the inner tube 15 come into contact with each other, causing mutual compression and deformation. In state A, even if the planting pot 3 needs to be disassembled, there is an attached... Figure 9 As shown in state A, the tips of the fixed retaining ring 9 and the movable retaining ring 16 are in contact, and only a certain force is needed to pull them outward. The tips of the fixed retaining ring 9 and the movable retaining ring 16 are also small in size, which makes it easier to deform between them and disassemble the insertion tube 6 and the inner tube 15. In state B, the planting pot 3 has a significant weight due to the addition of a large amount of potting soil. At this point, as shown in the attached image... Figure 9 As shown in state B, the tips of the fixed retaining ring 9 and the movable retaining ring 16 are inserted into each other at their deepest positions, making the fixed retaining ring 9 and the movable retaining ring 16 interlocked. At this time, there is great resistance between the insert tube 6 and the inner tube 15, so not only can the insert tube 6 not be pulled out, but also, since the fixed retaining ring 9 and the movable retaining ring 16 are fully in contact and interlocked, a relatively tight sealing effect is naturally formed, thus providing a better seal. When removing the planting pot 3, as the planting pot 3 is pulled outward and the insertion tube 6 is pulled out of the slot 10, the movable cap 13 loses the pressure of the push rod 11, and the movable plate 14 also loses the resistance of the abutment plate 17. With the impact of the water flow, the guide membrane 20 set inside the movable cap 13 contracts inward to form the shape shown in the attached figure. Figure 6 In the S1 state, the inward concave shape increases the impact force of the water flow on the movable cap 13, and moves the movable cap 13 towards the top of the movable plate 14. Through the limiting groove 22 and the limiting ball 21, the multiple sets of movable plates 14 are gradually contracted until the movable cap 13 is attached to the top of the multiple sets of movable plates 14. At this time, a closed state is provided inside the inner tube 15 to prevent the water flow from spraying out of the inner tube 15.

[0032] It should be noted that the fixing and sealing between the sleeve 5, the inner tube 15, and the insertion tube 6 is achieved by utilizing the interlocking force of the sealing mechanism, combined with the impact force of the water flow. The specific principle is as follows: The principle of the sealing mechanism described above explains the sealing effect. Here, it is explained how water flow impact is used to achieve fixation and sealing. When the water flow impacts the conical column 18, it will also impact the insertion tube 6 outward from the inner tube 15, which will make the fit between the fixed retaining ring 9 and the movable retaining ring 16 tighter. Since the movable plate 14 is integrally formed with the fixed ring 19 at one end, and the movable plate 14 itself has the ability to deform, after being resisted by the contact plate 17 and restricted by the limiting ball 21 and the limiting groove 22, the tip of the movable plate 14 can expand outward, separating the multiple sets of movable plates 14 to create gaps. In another embodiment of the present invention, a flow guiding membrane 20 that can be recessed inward or protruded outward is provided inside the movable cap 13.

[0033] In another embodiment of the present invention, the movable cap 13 is provided as a cone with an isosceles trapezoidal cross-section.

[0034] In another embodiment of the present invention, preferably, when the guide membrane 20 inside the movable cap 13 contracts into the movable cap 13, it forms a groove on the surface of the movable cap 13; when the guide membrane 20 inside the movable cap 13 protrudes outward, it forms a cone with an isosceles trapezoidal cross-section on the end face of the movable cap 13 facing the water valve 7.

[0035] The flow-guiding membrane 20 inside the active cap 13 is attached Figure 6 In the S1 state, the water-facing surface inside the water valve 7 forms an inward concave shape, which can use the impact force of the water flow on the concave area and the squeezing force of the water flow in the water valve 7 to squeeze and fix the movable cap 13. When the guide membrane 20 protrudes outward, the conical shape of the surface of the guide membrane 20 can be used to guide the water flow, reduce the impact of the water flow, and facilitate the water flow through the gap of the movable plate 14 into the insertion tube 6.

[0036] After multiple sets of movable plates 14 are attached, as shown in the attached document. Figure 7 As shown, a sealing element 23 is provided at the connection of the movable plate 14. The sealing element 23 can be uneven and has a sealing gasket on its surface. Sealing gaskets are also provided at the top of the movable plate 14 and the inside of the movable cap 13. This ensures that when the movable plates 14 are tightly pressed together, no water will seep out from here and cause water to leak from the inside of the sleeve 5. Other sealing devices on the market can also be used for the sealing element 23, such as sealing rings and sealing gaskets. The sealing element 23 here is common knowledge to those skilled in the art and will not be described in detail here.

[0037] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An agricultural drip irrigation device, comprising: Planting rack (1), on which a mounting frame (2) is fixedly arranged in a triangular shape; characterized in that it further includes: Multiple sets of planting pots (3), the multiple sets of planting pots (3) can be detachably installed on the mounting frame (2); Sleeves (5), multiple sets of sleeves (5) are fixedly installed in the mounting bracket (2); Inner tube (15), the inner tube (15) is fixedly installed inside the sleeve (5) and connected to the water valve (7); Insertion tube (6), which is fixedly installed at both ends of one side of the planting pot (3) and can be detachably inserted into the sleeve (5); The installation mechanism is installed inside the sleeve (5) and the insertion tube (6). The installation mechanism is connected to the insertion tube (6) in a transmission manner. The insertion tube (6) is inserted into the sleeve (5). The installation mechanism passively drives the connection and seal between the insertion tube (6) and the inner tube (15), opening the connection between the inner tube (15) and the insertion tube (6) to allow the drip irrigation water source to flow into the drip tube (4). At the same time, the sealing mechanism uses the impact force of the water flow and the gravity of the cultivation soil in the planting pot (3) to provide reinforcement and sealing protection for the connection between the insertion tube (6) and the inner tube (15).

2. The agricultural drip irrigation device according to claim 1, characterized in that, The installation mechanism includes a tube (6) fixedly installed at both ends of one side of the planting rack (1). The end of the tube (6) is connected to a drip tube (4) set above the planting pot (3) through a water pipe (8). A conical column (18) is fixedly connected to one end of the water pipe (8) inside the tube (6). The tip of the conical column (18) faces the opening end of the tube (6) and is fixedly connected to a top rod (11). The surface of the conical column (18) is evenly spaced with outwardly protruding contact plates (17). A filter plate (12) is provided on the surface of the conical column (18) between multiple sets of contact plates (17).

3. The agricultural drip irrigation device according to claim 2, characterized in that, The installation mechanism also includes an annular slot (10) formed on the inner side of the sleeve (5) and the outer side of the inner tube (15). A detachable insert tube (6) is inserted into the slot (10). The bottom end of the inner tube (15) is connected to a water valve (7). A fixing ring (19) is fixedly connected to the inner wall of the top end of the inner tube (15). The fixing ring (19) is connected to a plurality of movable plates (14) with elastic deformation capabilities at one end facing the water valve (7) of the inner tube (15). The plurality of movable plates (14) are combined in a trapezoidal arc shape to form a cone shape. The tips of the plurality of movable plates (14) are movably inserted into the movable cap (13).

4. The agricultural drip irrigation device according to claim 3, characterized in that, Multiple sets of movable plates (14) are fixedly connected to the outer side of the tip position of the limiting ball (21), the limiting ball (21) is slidably connected in the limiting groove (22), the limiting groove (22) is correspondingly opened on the inner side wall of the movable cap (13).

5. An agricultural drip irrigation device according to claim 4, characterized in that, Sealing elements (23) are provided at the connection between multiple sets of movable plates (14), as well as at the inner side of the movable cap (13) and the end face of the tip of the multiple sets of movable plates (14).

6. The agricultural drip irrigation device according to claim 5, characterized in that, The sealing mechanism includes a fixed retaining ring (9) disposed on the outer periphery of the inner tube (15) and a movable retaining ring (16) disposed on the inner side of the insertion tube (6), wherein the fixed retaining ring (9) and the movable retaining ring (16) are engaged and connected.

7. An agricultural drip irrigation device according to claim 6, characterized in that, Both the fixed retaining ring (9) and the movable retaining ring (16) have sharp tips and expand outwards. The fixed retaining ring (9) on the outside of the inner tube (15) is inclined and expands inwards. The movable retaining ring (16) on the inside of the insertion tube (6) is inclined and expands inwards at its tip.

8. An agricultural drip irrigation device according to claim 7, characterized in that, The movable cap (13) is provided with a flow guide membrane (20) that can be recessed inward or protruded outward.

9. An agricultural drip irrigation device according to claim 8, characterized in that, The active cap (13) is a cone with an isosceles trapezoidal cross-section.

10. An agricultural drip irrigation device according to claim 9, characterized in that, When the guide membrane (20) inside the movable cap (13) contracts into the movable cap (13), it forms a groove on the surface of the movable cap (13). When the guide membrane (20) inside the movable cap (13) protrudes outward, it forms a cone with an isosceles trapezoidal cross-section on the end face of the movable cap (13) facing the water valve (7).

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