A root fertilizer applicator for tobacco leaf cultivation of a new tobacco variety
By designing a tobacco root fertilizer applicator that includes a fertilizer tank, a hydraulic cylinder, and a fertilizer head, the problems of poor root fertilization effect and low work efficiency in the existing technology are solved, achieving uniformity and high efficiency of root fertilization, and improving the convenience and adaptability of use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YUZHOU NATURAL AGRI TECH CO LTD
- Filing Date
- 2025-08-12
- Publication Date
- 2026-06-30
AI Technical Summary
Existing root fertilizer applicators for tobacco cultivation have poor root fertilization effects, low work efficiency, poor adaptability and adjustment, and are inconvenient to use.
A root fertilizer applicator for tobacco leaves was designed, comprising components such as a fertilizer tank, a support base, a hydraulic cylinder, and a fertilizer applicator head. The conical fertilizer applicator head is inserted into the root, and precise fertilization is achieved by combining a flow meter and a flow regulating valve. The fertilizer applicator head can be adjusted and replaced through locking grooves and threaded splicing grooves, making it highly adaptable.
It achieves uniform and efficient root fertilization, facilitates the disassembly and assembly of the fertilizer head and length adjustment, and improves the ease of use and adaptability.
Smart Images

Figure CN224419629U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of tobacco root fertilizer applicators, specifically a tobacco root fertilizer applicator for cultivating new tobacco varieties. Background Technology
[0002] In the breeding of new tobacco varieties, proper fertilization is a key step in ensuring normal growth and improving the quality of tobacco leaves. The efficiency of fertilizer absorption by the tobacco root system directly affects its growth status; therefore, fertilizer needs to be applied precisely near the roots.
[0003] There is an existing tobacco root fertilizer applicator (CN202420211386.X) for tobacco cultivation. This applicator uses a motor to control the rotation of the first connecting block, which in turn controls the stirring rod to perform a circular stirring motion, thereby increasing the stirring range and improving the stirring efficiency. However, it has shortcomings. The existing equipment has poor root fertilization effect, poor working efficiency, poor adaptability and adjustment, and is inconvenient to use. Therefore, there is a need for a new tobacco root fertilizer applicator for tobacco variety cultivation to solve the above problems. Utility Model Content
[0004] The purpose of this utility model is to provide a root fertilizer applicator for cultivating new tobacco varieties, in order to solve the problems mentioned in the background art, such as poor root fertilization effect, poor working efficiency, poor adaptability and adjustment, and inconvenience of use of root fertilizer applicators for tobacco planting.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a root fertilizer applicator for cultivating new tobacco varieties, comprising a fertilizer tank, a support base fixedly connected to the lower end of the fertilizer tank, movable wheels rotatably connected to both sides of the support base, and a push-pull handle vertically fixedly connected to the rear edge of the upper end of the support base; a hydraulic cylinder vertically fixedly connected to the middle position of the upper end of the fertilizer tank, and a piston pusher block fixedly connected to the output end of the hydraulic cylinder; the piston pusher block is distributed in close contact with the inner wall of the fertilizer tank, and an inlet is connected to the upper front edge of the fertilizer tank; a threaded sealing groove is formed on one edge of the inlet, and a threaded sealing ring is inserted into the inner wall of the threaded sealing groove; a sealing cap is fixedly connected to the other end of the threaded sealing ring; a magnetic mounting groove protrudes and is fixedly connected to the middle position of the outer wall of the fertilizer tank, and a connecting sleeve is inserted into the inner wall of the magnetic mounting groove; a connecting rod is slidably inserted into the inner wall of the connecting sleeve, and a gripping handle is vertically fixedly connected to the upper end of the connecting rod; and pull-out sliders are fixedly connected to both sides of the lower end of the connecting rod. The connecting sleeve has pull-out grooves on both sides of its inner wall, and a locking groove is formed on the inner wall of one side of the pull-out groove. The connecting rod has a telescopic groove on the inner wall of its pull-out slider, and a connecting spring is fixedly connected to the inner wall of the telescopic groove. A locking block is fixedly connected to one end of the connecting spring, and the locking block is inserted into the locking groove. A material guide groove is formed at the lower end of the connecting sleeve's inner wall, and a threaded splicing groove is formed at the lower edge of the material guide groove. A threaded splicing ring is inserted into the inner wall of the threaded splicing groove. The lower end of the spliced ring is connected to a fertilizer head, and a fertilizer hole is opened in the middle of the outer wall of the fertilizer head. The front side of the guide trough is connected to a water inlet, and the other end of the water inlet is spliced and connected to a conveying pipe. The lower end of the outer wall of the fertilizer tank protrudes and is connected to a discharge port, and the other end of the discharge port is spliced and connected to the conveying pipe. The rear side of the discharge port is connected to a flow meter, and the front side of the discharge port is connected to a flow regulating valve. The lower front end of the hydraulic cylinder is electrically connected to a PLC controller.
[0006] Preferably, the inlet is located at the upper front end of the fertilizer tank at an upward angle, and the sealing cover is screwed and sealed to the inlet through a threaded sealing groove and a threaded sealing ring.
[0007] Preferably, the connecting sleeve is magnetically connected to the fertilizer tank via a magnetic mounting groove, and the connecting sleeve, connecting rod, fertilizer head, and handle are arranged in four annular positions on the outer wall of the fertilizer tank. The connecting rod and handle are connected to the connecting sleeve in a limited sliding connection via a pull-out groove and a pull-out slider, and the pull-out slider is locked to the connecting sleeve via a locking groove and a locking block.
[0008] Preferably, the fertilizer applicator has a conical structure, and the fertilizer applicator is connected to the feed guide groove by a threaded splicing groove and a threaded splicing ring. The fertilizer holes are distributed in three straight lines on the outer wall of the fertilizer applicator, and the inner wall edge of the fertilizer holes is integrated with a mesh through-hole structure.
[0009] Preferably, the fertilizer applicator is connected to the fertilizer tank via a feed pipe between the inlet and outlet, and the flow meter and flow regulating valve are arranged in parallel positions at the outlet.
[0010] Preferably, the piston pusher block is connected to the fertilizer tank by a hydraulic cylinder in a lifting and pressing manner, and the shape of the piston pusher block matches the shape of the inner wall of the fertilizer tank. The moving wheel is a wide wheel structure, and the fertilizer tank has a front viewing window structure.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: This tobacco root fertilizer applicator for cultivating new tobacco varieties can be inserted into the root through the conical structure of the fertilizer head, and can be evenly fitted through the fertilizer hole, which can efficiently penetrate the root and achieve good results. Moreover, it can perform four sets of operations at the same time, and the length of the connecting rod can be easily adjusted through the locking groove and locking block. Furthermore, the fertilizer head can be screwed on, disassembled, and replaced through the threaded splicing groove and threaded splicing ring, and the feed pipe can be disassembled and installed independently, making adaptation and adjustment more convenient and achieving better results. Attached Figure Description
[0012] Figure 1 This is a front view of a tobacco root fertilizer applicator for cultivating a new tobacco variety according to this utility model;
[0013] Figure 2 This is a schematic diagram of the internal structure of a root fertilizer applicator for cultivating a new tobacco variety according to this utility model;
[0014] Figure 3 This is a schematic diagram showing the connection between the fertilizer head and the fertilizer hole of a root fertilizer applicator for cultivating new tobacco varieties according to this utility model.
[0015] Figure 4 This utility model relates to a root fertilizer applicator for cultivating new tobacco varieties. Figure 2 Enlarged view of point A in the middle;
[0016] Figure 5 This utility model relates to a root fertilizer applicator for cultivating new tobacco varieties. Figure 2 Enlarged view at point B in the middle;
[0017] Figure 6 This utility model relates to a root fertilizer applicator for cultivating new tobacco varieties. Figure 2 Enlarged view at point C;
[0018] Figure 7This utility model relates to a root fertilizer applicator for cultivating new tobacco varieties. Figure 2 Enlarged view of point D in the middle.
[0019] In the diagram: 1. Fertilizer tank, 2. Support base, 3. Casters, 4. Hydraulic cylinder, 5. Push-pull handle, 6. Connecting rod, 7. Inlet, 8. Connecting sleeve, 9. Water inlet, 10. Fertilizer head, 11. Feed pipe, 12. Magnetic mounting groove, 13. Piston pusher block, 14. Handle, 15. Fertilizer hole, 16. Sealing cover, 17. Threaded sealing groove, 18. Threaded sealing ring, 19. Guide groove, 20. Threaded splicing groove, 21. Threaded splicing ring, 22. Flow meter, 23. Flow regulating valve, 24. Outlet, 25. Pull-out slide, 26. Pull-out slider, 27. Telescopic groove, 28. Connecting spring, 29. Locking buckle groove, 30. Locking buckle block, 31. PLC controller. Detailed Implementation
[0020] 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.
[0021] Please see Figure 1-7This utility model provides a technical solution: a root fertilizer applicator for cultivating new tobacco varieties, comprising a fertilizer tank 1, a support base 2, casters 3, a hydraulic cylinder 4, a push-pull handle 5, a connecting rod 6, a feed inlet 7, a connecting sleeve 8, a water inlet 9, a fertilizer head 10, a conveying pipe 11, a magnetic mounting groove 12, a piston pusher block 13, a grip handle 14, a fertilizer hole 15, a sealing cover 16, a threaded sealing groove 17, a threaded sealing ring 18, a guide groove 19, a threaded splicing groove 20, a threaded splicing ring 21, a flow meter 22, a flow regulating valve 23, a discharge port 24, a pull-out slide 25, a pull-out slider 26, a telescopic groove 27, a connecting spring 28, a locking buckle groove 29, a locking buckle block 30, and a PLC controller 31. The fertilizer tank 1 is located below... A support base 2 is fixedly connected to the end of the fertilizer tank 1. Moving wheels 3 are rotatably connected to both sides of the support base 2. A push-pull handle 5 is vertically fixed to the rear edge of the upper end of the support base 2. A hydraulic cylinder 4 is vertically fixed to the middle of the upper end of the fertilizer tank 1. A piston pusher block 13 is fixedly connected to the output end of the hydraulic cylinder 4. The piston pusher block 13 is connected to the fertilizer tank 1 via the hydraulic cylinder 4 in a lifting and pressing connection. The shape of the piston pusher block 13 matches the shape of the inner wall of the fertilizer tank 1. The moving wheels 3 are wide wheels. The fertilizer tank 1 has a viewing window on the front side. This allows the piston pusher block 13 to stably extrude material and move stably, while also allowing for direct observation of the fertilizer level for timely replenishment. The piston pusher block 13 fits snugly against the inner wall of the fertilizer tank 1. The fertilizer tank 1 has an inlet 7 connected to the upper front edge. The inlet 7 is positioned at an upward angle on the upper front edge of the fertilizer tank 1. The sealing cover 16 is screwed and sealed to the inlet 7 via a threaded sealing groove 17 and a threaded sealing ring 18. This allows for convenient and stable feeding of the inlet 7, and provides excellent sealing. One edge of the inlet 7 has a threaded sealing groove 17, and a threaded sealing ring 18 is inserted into the inner wall of the threaded sealing groove 17. The other end of the threaded sealing ring 18 is fixedly connected to the sealing cover 16. A magnetic mounting groove 12 is protruding and fixedly connected to the middle of the outer wall of the fertilizer tank 1. A connecting sleeve 8 is inserted into the inner wall of the magnetic mounting groove 12. The connecting sleeve 8 is magnetically connected to the fertilizer tank 1 via the magnetic mounting groove 12. The connecting sleeve 8, connecting rod 6, fertilizer head 10, and handle 14 are arranged in four rings on the outer wall of the fertilizer tank 1. The connecting rod 6 and handle 14 are connected to the connecting sleeve 8 in a limited sliding connection via a pull-out groove 25 and a pull-out slider 26. The pull-out slider 26 is locked to the connecting sleeve 8 via a locking groove 29 and a locking block 30. This allows the connecting sleeve 8 to be easily installed magnetically, and it can be extended and adjusted. It can also perform four operations simultaneously, resulting in high efficiency. The connecting rod 6 is slidably inserted into the inner wall of the connecting sleeve 8, and the handle 14 is vertically fixed to the upper end of the connecting rod 6. The pull-out sliders 26 are fixedly connected to both sides of the lower end of the connecting rod 6. Pull-out grooves 25 are provided on both sides of the inner wall of the connecting sleeve 8.Furthermore, a locking groove 29 is provided on the inner wall of the pull-out slide groove 25 on one side of the connecting sleeve 8, and a telescopic groove 27 is provided on the inner wall of the pull-out slider 26 on one side of the connecting rod 6. A connecting spring 28 is fixedly connected to the inner wall of the telescopic groove 27, and a locking block 30 is fixedly connected to one end of the connecting spring 28. The locking block 30 is inserted into the locking groove 29. A guide groove 19 is provided at the lower end of the inner wall of the connecting sleeve 8, and a threaded splicing groove 20 is provided at the lower edge of the guide groove 19. A threaded splicing ring 21 is inserted into the inner wall of the splicing groove 20, and the lower end of the threaded splicing ring 21 is connected to a fertilizer head 10. The fertilizer head 10 has a conical structure and is screwed into the guide groove 19 via the threaded splicing groove 20 and the threaded splicing ring 21. The fertilizer holes 15 are arranged in three straight lines on the outer wall of the fertilizer head 10, and the inner edge of the fertilizer hole 15 has an integrated mesh through-hole structure. This allows the fertilizer head 10 to be quickly inserted into the root zone for convenient and efficient fertilization. Furthermore, the fertilizer head 10 can be quickly disassembled and replaced. The fertilizer head 10 is connected to the fertilizer tank 1 via a feed pipe 11 between the inlet 9 and the outlet 24. The flow meter 22 and flow regulating valve 23 are arranged in parallel on the outlet 24. This allows for real-time flow monitoring via the flow meter 22 and rapid adjustment via the flow regulating valve 23 during fertilizer application, resulting in better fertilization. A fertilizer applicator is connected to the middle of the outer wall of the fertilizer head 10. Hole 15, the front side of the feed chute 19 is connected to a water inlet 9, and the other end of the water inlet 9 is connected to a feed pipe 11. The lower end of the outer wall of the fertilizer tank 1 protrudes and is connected to a discharge port 24, the other end of which is connected to the feed pipe 11. A flow meter 22 is connected to the rear side of the discharge port 24, and a flow regulating valve 23 is connected to the front side of the discharge port 24. A PLC controller 31 is electrically connected to the lower front end of the hydraulic cylinder 4.
[0022] Working principle: When using this tobacco root fertilizer applicator for cultivating new tobacco varieties, first move the device to the tobacco leaf, then remove the connecting sleeve 8, and insert the fertilizer head 10 into the root. Then, the PLC controller 31 controls the hydraulic cylinder 4 to drive the piston pusher block 13 to press down, thereby guiding the waste liquid through the conveying pipe 11 and flowing out through the fertilizer hole 15 for precise fertilization. During discharge, the flow rate can be detected by the flow meter 22 and controlled by the flow regulating valve 23. When the length of the handle 14 needs to be adjusted, it can be slid and pulled by the connecting rod 6 and locked by the locking groove 29 and locking block 30. When the fertilizer head 10 is damaged, it can be quickly disassembled and replaced by screwing on the threaded splicing groove 20 and threaded splicing ring 21. After use, it can be quickly magnetically locked in place by the magnetic mounting groove 12. When in use, it can be replenished through the feed inlet 7. This is the usage process of this tobacco root fertilizer applicator for cultivating new tobacco varieties.
[0023] It should be noted that this utility model is a root fertilizer applicator for cultivating new tobacco varieties. All components are standard parts or parts known to those skilled in the art. Its structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods. Furthermore, all electrical components mentioned above refer to power elements, electrical components, and the matching monitoring computer and power supply connected by wires. The specific connection method should refer to the working principle described above, where the electrical connection between each electrical component is completed in sequence. The detailed connection method is a well-known technology in the field.
[0024] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A root fertilizer applicator for cultivating new tobacco varieties, comprising a fertilizer tank (1), wherein a support base (2) is fixedly connected to the lower end of the fertilizer tank (1), and movable wheels (3) are rotatably connected to both sides of the support base (2), and a push-pull handle (5) is vertically fixedly connected to the rear edge of the upper end of the support base (2), characterized in that: A hydraulic cylinder (4) is vertically fixedly connected to the middle of the upper end of the fertilizer tank (1), and a piston pusher block (13) is fixedly connected to the output end of the hydraulic cylinder (4). The piston pusher block (13) is distributed close to the inner wall side of the fertilizer tank (1), and an inlet (7) is connected to the upper edge of the front side of the fertilizer tank (1). A threaded sealing groove (17) is opened on one edge of the inlet (7), and a threaded sealing ring (18) is inserted into the inner wall of the threaded sealing groove (17). A sealing cap (16) is fixedly connected to the other end of the threaded sealing ring (18). The middle of the outer wall of the fertilizer tank (1) is convex. A magnetic mounting groove (12) is fixedly connected to the inner wall of the magnetic mounting groove (12), and a connecting sleeve (8) is inserted into the inner wall of the connecting sleeve (8). A connecting rod (6) is slidably inserted into the inner wall of the connecting sleeve (8), and a handle (14) is vertically fixedly connected to the upper end of the connecting rod (6). Pull-out sliders (26) are fixedly connected to both sides of the lower end of the connecting rod (6). Pull-out grooves (25) are opened on both sides of the inner wall of the connecting sleeve (8), and a locking groove (29) is opened on the inner wall of the pull-out groove (25) on one side of the inner wall of the connecting sleeve (8). The inner wall of the pull-out slider (26) on one side of the connecting rod (6) is opened into the inner wall of the connecting sleeve (8). The device is provided with a telescopic groove (27), and a connecting spring (28) is fixedly connected to the inner wall of the telescopic groove (27). A locking buckle (30) is fixedly connected to one end of the connecting spring (28), and the locking buckle (30) is inserted into the locking buckle groove (29). A guide groove (19) is provided at the lower end of the inner wall of the connecting sleeve (8), and a threaded splicing groove (20) is provided at the lower edge of the guide groove (19). A threaded splicing ring (21) is inserted into the inner wall of the threaded splicing groove (20), and a fertilizer head (10) is connected to the lower end of the threaded splicing ring (21). The fertilizer head (10) is located in the middle of the outer wall of the middle position. The fertilizer tank (1) is connected to a fertilizer application hole (15). The front side of the feed trough (19) is connected to a water inlet (9), and the other end of the water inlet (9) is connected to a feed pipe (11). The lower end of the outer wall of the fertilizer tank (1) is connected to a discharge port (24), and the other end of the discharge port (24) is connected to the feed pipe (11). The rear side of the discharge port (24) is connected to a flow meter (22), and the front side of the discharge port (24) is connected to a flow regulating valve (23). The lower front end of the hydraulic cylinder (4) is electrically connected to a PLC controller (31).
2. The tobacco root fertilizer applicator for cultivating new tobacco varieties according to claim 1, characterized in that: The feed inlet (7) is located at the upper front side of the fertilizer tank (1) and is inclined upward. The sealing cover (16) is connected to the feed inlet (7) by a threaded sealing groove (17) and a threaded sealing ring (18).
3. The tobacco root fertilizer applicator for cultivating new tobacco varieties according to claim 2, characterized in that: The connecting sleeve (8) is magnetically connected to the fertilizer tank (1) through the magnetic mounting groove (12). The connecting sleeve (8), connecting rod (6), fertilizer head (10) and grip handle (14) are arranged in four annular positions on the outer wall of the fertilizer tank (1). The connecting rod (6) and grip handle (14) are connected to the connecting sleeve (8) through the pull-out slide groove (25) and pull-out slider (26). The pull-out slider (26) is locked to the connecting sleeve (8) through the locking buckle groove (29) and locking buckle block (30).
4. The tobacco root fertilizer applicator for cultivating new tobacco varieties according to claim 3, characterized in that: The fertilizer head (10) has a conical structure and is connected to the guide groove (19) by a threaded splicing groove (20) and a threaded splicing ring (21). The fertilizer holes (15) are distributed in three straight lines on the outer wall of the fertilizer head (10) and the inner edge of the fertilizer hole (15) has an integrated mesh through hole structure.
5. The tobacco root fertilizer applicator for cultivating new tobacco varieties according to claim 4, characterized in that: The fertilizer head (10) is connected to the fertilizer tank (1) through the feed pipe (11) between the water inlet (9) and the discharge outlet (24). The flow meter (22) and the flow regulating valve (23) are distributed in parallel positions on the discharge outlet (24).
6. The tobacco root fertilizer applicator for cultivating new tobacco varieties according to claim 5, characterized in that: The piston pusher block (13) is connected to the fertilizer tank (1) by a hydraulic cylinder (4) in a lifting and pressing manner, and the shape of the piston pusher block (13) matches the shape of the inner wall of the fertilizer tank (1). The moving wheel (3) is a wide wheel structure, and the fertilizer tank (1) has a front viewing window structure.
Citation Information
Patent Citations
Tobacco leaf root fertilizer applicator for tobacco leaf planting
CN221996019U