Nozzle structure for spraying wheat seedlings

Abstract

The application discloses a nozzle structure for spraying pesticide on wheat seedlings, belongs to the field of pesticide application devices, and is used for applying pesticide, wherein a medicine inlet connecting pipe is communicated with a liquid distribution pipe through a wind chamber provided with a wind fan blade and a main pipe; a plurality of air supply channels are arranged in the main pipe, the top end of the air supply channel is communicated with the wind chamber, the bottom end of the air supply channel is communicated with an air outlet channel, and the outlet of the air outlet channel is located at the bottom end of the main pipe; a wind supply cover body is connected to the bottom end of the main pipe, the liquid distribution pipe is located in a space formed by the wind supply cover body, and a gap for air flow is left between the two; a liquid distribution channel is arranged in the main pipe and communicated with the medicine inlet connecting pipe and the liquid distribution pipe; a plurality of liquid distribution rotating plates are arranged in the liquid distribution pipe, and the liquid distribution rotating plates and the wind fan blade are connected with a pipe-mounted motor through a main shaft. The application can realize uniform distribution of pesticide liquid under the action of air flow, help to ensure the pesticide application efficiency and appropriate amount of the wheat seedlings, and reduce the influence of external factors on pesticide application.

Description

Technical Field

[0001] This application belongs to the field of pesticide application devices, and more specifically, relates to a nozzle structure for spraying pesticides on wheat seedlings. Background Technology

[0002] Spraying is a crucial step in controlling wheat diseases and pests and promoting growth. Existing technology discloses a nozzle device for spraying pesticides in wheat breeding and cultivation. See Chinese Patent Publication No. CN223171098U, which further discloses the following technical solution: It includes a nozzle body, a nozzle head, and a control module. The nozzle body has a cylindrical structure with a pesticide channel inside. One end of the nozzle body is connected to a spraying pipe, and the other end is connected to the nozzle head for delivering the pesticide solution. The nozzle head has a ball joint at its end, which is rotatably connected to the nozzle body. The nozzle head has multiple micro-spray holes, each equipped with an independent micro-solenoid valve. The control end of the micro-solenoid valve is electrically connected to the output end of the control module. The control module individually controls the spraying status of each spray hole, precisely spraying pesticides towards wheat seedlings. This existing technology, through the multi-pore microfluidic design and angle adjustment control function of the nozzle head, can precisely control the direction, range, and flow rate of spraying according to the wheat's growth stage and planting density, ensuring uniformity and accuracy of spraying and improving pesticide efficacy.

[0003] In the aforementioned prior art, the applicant believes that, in addition to considering the atomization effect of the spray, the nozzle structure for wheat seedlings also needs to take into account the influence of external breezes to ensure the stability and reliability of the spray range and improve the efficiency and quality of the spray. Therefore, the applicant has improved the nozzle structure based on the above considerations. Summary of the Invention

[0004] The purpose of this application is to provide a nozzle structure for spraying pesticides on wheat seedlings, which can achieve uniform distribution of pesticide solution under the action of airflow, help ensure the application efficiency and amount of pesticides on wheat seedlings, and reduce the impact of external factors on pesticide application.

[0005] To achieve the above objectives, this application employs the following technical solution:

[0006] The nozzle structure for spraying pesticides on wheat seedlings described in this application includes a pesticide inlet connecting pipe, which is connected to a liquid distribution pipe via a main pipe. An air chamber is provided at the connection point between the pesticide inlet connecting pipe and the main pipe, and a fan blade is installed inside the air chamber. The main pipe has several air supply channels inside, with the top of each channel connected to the air chamber and the bottom of each channel connected to an air outlet channel. The outlet of the air outlet channel is located at the bottom of the main pipe. An air supply hood is connected to the bottom of the main pipe, and the liquid distribution pipe is located within the space enclosed by the air supply hood. A gap for airflow is left between the inner wall of the air supply hood and the outer wall of the liquid distribution pipe. A liquid distribution channel is provided inside the main pipe, and the liquid distribution channel is connected to both the pesticide inlet connecting pipe and the liquid distribution pipe. Several liquid distribution rotating plates are installed inside the liquid distribution pipe, and the rotating plates and fan blades are connected to a pipe-mounted motor via a main shaft.

[0007] As one of the preferred technical solutions of this application, the top end face of the air chamber is provided with a plurality of air inlet holes, the bottom surface of the air chamber is provided with an air chamber base with a bushing structure, a fan blade base is rotatably mounted on the air chamber base, and the fan blade base is connected to the main shaft through a base connecting frame connected to the top end; the blower fan blade is located in the circumference of the fan blade base and is fixedly connected to the fan blade base.

[0008] As one of the preferred technical solutions of this application, the inner diameter of the air supply channel is larger than the inner diameter of the air outlet channel, and the connection between the air supply channel and the air outlet channel adopts a smooth transition.

[0009] As one of the preferred technical solutions of this application, the liquid distribution channel is provided with a hollow cylindrical liquid distribution cylinder inside. The top of the liquid distribution cylinder is open, and a number of cylinder through holes are distributed on the bottom and side walls of the liquid distribution cylinder. The liquid distribution cylinder is connected to the main shaft. A gap is left between the outer wall of the liquid distribution cylinder and the inner wall of the liquid distribution channel for liquid flow.

[0010] As one of the preferred technical solutions of this application, the top end face of the air chamber is coaxially provided with an air chamber connecting pipe, the air chamber connecting pipe is connected to the air chamber base, and the air chamber base is connected to the top opening of the liquid distribution cylinder.

[0011] As one of the preferred technical solutions of this application, the drug inlet connecting pipe is provided with a pipe-mounted base, and a pipe-mounted motor is installed on the pipe-mounted base. The pipe-mounted motor is connected to an external power supply device through a wire.

[0012] Compared with the prior art, the beneficial effects of this application are:

[0013] This application, by setting up a wind chamber structure that works in conjunction with the liquid distribution pipe, can combine air supply and liquid distribution into one during the overall linkage process. This allows for the creation of an air field that facilitates liquid distribution under the action of the nozzle's own air force, reducing the impact of external wind on liquid distribution and improving the efficiency and quality of liquid distribution. Attached Figure Description

[0014] Figure 1 This is a top view of this application.

[0015] Figure 2 yes Figure 1 A cross-sectional view showing the position and orientation indicated by AA in the middle.

[0016] Figure 3 This is the three-dimensional representation of the present application. Figure 1 .

[0017] Figure 4 This is the three-dimensional representation of the present application. Figure 2 .

[0018] Figure 5 This is a structural diagram of the stroke chamber in this application.

[0019] In the diagram: 1. Inlet connecting pipe; 2. Pipe-mounted motor; 3. Pipe-mounted base; 4. Air inlet; 5. Air chamber; 6. Main pipe; 7. Air supply hood; 8. Liquid distribution pipe; 9. Liquid distribution rotating plate; 10. Main shaft; 11. Air outlet channel; 12. Air supply channel; 13. Air supply fan blade; 14. Fan blade base; 15. Air chamber base; 16. Air chamber connecting pipe; 17. Base connecting frame; 18. Liquid distribution cylinder; 19. Cylinder through hole; 20. Liquid distribution channel. Detailed Implementation

[0020] The technical solutions described in this application will be further described below with reference to the accompanying drawings and embodiments.

[0021] Example 1

[0022] See Figures 1 to 5The nozzle structure for spraying pesticides on wheat seedlings includes a pesticide inlet connecting pipe 1, an air chamber 5, a main pipe 6, and a liquid distribution pipe 8. The pesticide inlet connecting pipe 1 has a connecting end that connects to an external liquid supply pipeline, and the other end of the pesticide inlet connecting pipe 1 is connected to the air chamber 5. The air chamber 5 is a hollow cylindrical structure, and an air chamber base 15 is coaxially arranged on the bottom surface inside the air chamber 5. The air chamber base 15 is a bushing structure, and the bottom end of the air chamber base 15 is connected to the main pipe 6. A gap is left between the top end of the air chamber base 15 and the top surface of the air chamber 5 for placing a base connecting frame 17. A fan blade base 14 is rotatably mounted on the circumferential outer wall of the air chamber base 15, and the top surface of the fan blade base 14 is fixedly connected to the base connecting frame 17; a plurality of fan blades 13 are fixedly mounted on the circumferential side of the fan blade base 14, and a through hole is provided on the bottom surface of the air chamber 5 below the fan blades 13, and a plurality of air inlet holes 4 are distributed on the top surface of the air chamber 5 above the fan blades 13; an air chamber connecting pipe 16 is provided at the position corresponding to the air chamber base 15 on the top surface of the air chamber 5, and the interior of the air chamber connecting pipe 16 is connected to the air chamber base 15.

[0023] A liquid distribution channel 20, communicating with the air chamber base 15, is provided at the central axis of the main pipe 6, with both ends of the liquid distribution channel 20 penetrating the main pipe 6. An air supply channel 12 and an air outlet channel 11 are provided inside the circumferential sidewall of the main pipe 6. The top end of the air supply channel 12 communicates with a through hole on the bottom surface of the air chamber base 15, and the bottom end of the air supply channel 12 communicates with the air outlet channel 11. The bottom end of the air outlet channel 11 communicates with the bottom surface of the main pipe 6, which is located above the liquid distribution pipe 8. A smooth transition structure is provided at the connection point between the air supply channel 12 and the air outlet channel 11.

[0024] The main pipe 6 has a liquid distribution cylinder 18 inside the liquid distribution channel 20. The liquid distribution cylinder 18 has a cylindrical structure with an open top and a sealed bottom. The liquid distribution cylinder 18 has several through holes 19 distributed on its circumferential sidewalls and bottom surface. Sufficient liquid flow distance is left between the sidewall of the liquid distribution pipe 8 and the inner wall of the liquid distribution channel 20.

[0025] The top end of the liquid distribution pipe 8 is located at the bottom end of the liquid distribution channel 20 of the main pipe 6. The liquid distribution pipe 8 has a hollow trumpet-shaped structure. A liquid distribution rotating plate 9 is provided inside the liquid distribution pipe 8. The liquid distribution rotating plate 9 is distributed circumferentially on the main shaft 10 and fixedly connected to the bottom side of the main shaft 10. The main shaft 10 is coaxially arranged with the main pipe 6 and the air chamber 5. The liquid distribution cylinder 18 is fixedly connected to the main shaft 10 through its bottom surface. The base connecting frame 17 is fixedly connected to the main shaft 10. The top end of the main shaft 10 passes through the drug inlet connecting pipe 1 and is connected to the output shaft of the pipe-mounted motor 2. The pipe-mounted motor 2 is located on the pipe-mounted base 3. The pipe-mounted base 3 is integrally arranged with the drug inlet connecting pipe 1.

[0026] An air supply hood 7 is provided on the outer wall at the bottom of the main pipe 6. The air supply hood 7 extends downward to both sides, and the liquid distribution pipe 8 is located in the space enclosed by the air supply hood 7. The bottom surface of the air supply hood 7 is lower than the bottom surface of the liquid distribution pipe 8.

[0027] Based on the above embodiments, the following paragraphs will continue to describe in detail the technical features involved and the functions and roles of these technical features in this technical solution, so as to help those skilled in the art to fully understand the technical solution and reproduce it.

[0028] In this application, the drug inlet connecting pipe 1 is used to connect with an external liquid supply pipeline. The connection between the drug inlet connecting pipe 1 and the external liquid supply pipeline can be an interference fit plug connection or a threaded connection.

[0029] In this application, the tube-mounted motor 2 is used to drive the main shaft 10. The tube-mounted motor 2 needs to be powered by a storage battery, which can be the power source of an electric sprayer.

[0030] In this application, the tube-mounted base 3 is integrally disposed on the top surface of the drug inlet connecting pipe 1, and serves as the mounting base for the tube-mounted motor 2.

[0031] In this application, the air inlet 4 is located on the top surface of the air chamber 5, and its function is to enable airflow into the air chamber 5.

[0032] In this application, the air chamber 5 is equipped with a blower fan blade 13, which has three or six blades. Its function is to direct the airflow from the air inlet 4 into the downward through-hole during rotation. The blower fan blade 13 is located on the circumferential outer wall of the blade base 14 and is fixedly connected to it. The blade base 14 is rotatably mounted on the air chamber base 15, and its top end is connected to the main shaft 10 via a base connecting frame 17. The base connecting frame 17 includes an annular plate that is attached to and rotates with the top surface of the air chamber base 15. On the inner wall of the annular plate are radially distributed rods or plates connected to the main shaft 10. The number of radially distributed rods or plates is two or three, preferably to avoid affecting the flow of the liquid medicine from the medicine inlet connecting pipe 1 into the air chamber base 15. The base connecting frame 17, through the annular plate, achieves a seal between the top end of the air chamber base 15 and the top surface of the air chamber 5.

[0033] In this application, the top end of the main pipe 6 is fixed integrally with the bottom surface of the air chamber 5, and the bottom end of the main pipe 6 is connected to the air supply hood 7 and the liquid distribution pipe 8. The liquid distribution pipe 8 is located within the space enclosed by the air supply hood 7. The main pipe 6 has a liquid distribution channel 20 at its central axis position that communicates with the air chamber base 15. The main pipe 6 has an air supply channel 12 and an air outlet channel 11 inside its circumferential sidewall. The inner diameter of the air supply channel 12 is larger than the inner diameter of the air outlet channel 11, and a smooth transition structure is provided at the connection point between the two. The top end of the air supply channel 12 communicates with a through hole on the bottom surface of the air chamber 5, and the bottom outlet of the air outlet channel 11 is located above the liquid distribution pipe 8.

[0034] In this application, a liquid distribution cylinder 18 is further provided inside the liquid distribution channel 20. The liquid distribution cylinder 18 has a hollow cylindrical structure. The top opening of the liquid distribution cylinder 18 is located below the air chamber base 15, and the bottom end of the liquid distribution cylinder 18 is sealed. Several through holes 19 are machined on the bottom surface and side wall of the liquid distribution cylinder 18. Sufficient gaps for liquid flow are left between the side wall of the liquid distribution cylinder 18 and the inner wall of the liquid distribution channel 20. The liquid distribution cylinder 18 is fixedly connected to the main shaft 10 through its bottom surface.

[0035] In this application, the top end of the liquid distribution pipe 8 is disposed inside the liquid distribution channel 20 and is tightly fitted to the inner wall of the liquid distribution channel 20. The connection between the liquid distribution pipe 8 and the liquid distribution channel 20 can be a threaded connection or an interference fit. The liquid distribution pipe 8 has a trumpet-shaped structure, and several liquid distribution holes are provided on the bottom surface of the liquid distribution pipe 8.

[0036] In this application, the air supply hood 7 is fixed to the outer wall of the main pipe 6, and the cross-section of the space formed by the air supply hood 7 is circular, with the bottom surface of the air supply hood 7 located at the bottom of the liquid distribution pipe 8.

[0037] Finally, although this specification describes embodiments, not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A nozzle structure for spraying pesticides on wheat seedlings, comprising a pesticide inlet connecting pipe (1), wherein the pesticide inlet connecting pipe (1) is connected to a liquid distribution pipe (8) via a main pipe (6), characterized in that, A wind chamber (5) is provided at the connection position between the drug inlet connecting pipe (1) and the main pipe (6), and a fan blade (13) is provided inside the wind chamber (5); a plurality of air supply channels (12) are provided inside the main pipe (6), the top of the air supply channel (12) is connected to the wind chamber (5), the bottom of the air supply channel (12) is connected to the air outlet channel (11), and the outlet of the air outlet channel (11) is located at the bottom of the main pipe (6); an air supply hood (7) is connected to the bottom of the main pipe (6). The liquid distribution pipe (8) is located in the space formed by the air supply hood (7). There is a gap between the inner wall of the air supply hood (7) and the outer wall of the liquid distribution pipe (8) for air flow. The main pipe (6) is provided with a liquid distribution channel (20), which is connected to the drug inlet connection pipe (1) and the liquid distribution pipe (8) respectively. The liquid distribution pipe (8) is provided with several liquid distribution rotating plates (9). The liquid distribution rotating plates (9) and the air supply fan blades (13) are connected to the pipe motor (2) through the main shaft (10).

2. The nozzle structure for spraying pesticides on wheat seedlings according to claim 1, characterized in that, The top end face of the air chamber (5) is provided with several air inlets (4), and the bottom surface of the air chamber (5) is provided with an air chamber base (15) with a bushing structure. A fan blade base (14) is rotatably mounted on the air chamber base (15). The fan blade base (14) is connected to the main shaft (10) through a base connecting frame (17) connected to the top end. The fan blade (13) is located in the circumference of the fan blade base (14) and is fixedly connected to the fan blade base (14).

3. The nozzle structure for spraying pesticides on wheat seedlings according to claim 2, characterized in that, The inner diameter of the air supply channel (12) is larger than the inner diameter of the air outlet channel (11), and the connection between the air supply channel (12) and the air outlet channel (11) is a smooth transition.

4. The nozzle structure for spraying pesticides on wheat seedlings according to claim 2, characterized in that, The liquid distribution channel (20) is provided with a hollow cylindrical liquid distribution cylinder (18) inside. The top of the liquid distribution cylinder (18) is open, and several cylindrical through holes (19) are distributed on the bottom and side walls of the liquid distribution cylinder (18). The liquid distribution cylinder (18) is connected to the main shaft (10). A gap is left between the outer wall of the liquid distribution cylinder (18) and the inner wall of the liquid distribution channel (20) for liquid flow.

5. The nozzle structure for spraying pesticides on wheat seedlings according to claim 4, characterized in that, The top end face of the air chamber (5) is coaxially provided with an air chamber connecting pipe (16), the air chamber connecting pipe (16) is connected to the air chamber base (15), and the air chamber base (15) is connected to the top opening of the liquid distribution cylinder (18).

6. The nozzle structure for spraying pesticides on wheat seedlings according to any one of claims 1 to 5, characterized in that, The drug inlet connecting pipe (1) is provided with a pipe base (3), and a pipe motor (2) is installed on the pipe base (3). The pipe motor (2) is connected to an external power supply device through a wire.

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