Quantitative water and fertilizer spraying device for tobacco cultivation
By designing the moving rod, clamping plate, and pressing assembly inside the tank, and combining the operation of the threaded rod and the lever, the problem of cumbersome operation of the existing device is solved, and the simple and quantitative effect of water and fertilizer spraying in tobacco cultivation is realized.
Patent Information
- Application Number
- CN202520290865.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Existing water and fertilizer spraying devices for tobacco cultivation are cumbersome to operate and make it difficult to achieve simple quantitative spraying.
A quantitative water and fertilizer spraying device was designed, comprising a tank, a moving rod, a clamping plate, a pressing component, and a holding component. The distance between the fixed plate and the moving plate is adjusted by rotating the threaded rod, and quantitative water and fertilizer spraying is achieved by combining pressing and lever operation.
It simplifies the operation of water and fertilizer spraying, improving user comfort and quantitative accuracy.
Smart Images

Figure CN223758769U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tobacco water and fertilizer spraying, and in particular to a quantitative water and fertilizer spraying device for tobacco cultivation. Background Technology
[0002] Tobacco is a widely cultivated crop worldwide, whose leaves can be made into various products such as cigarettes and cigars for human consumption.
[0003] A search revealed Chinese Patent Publication No. CN208638976U, which discloses a precise quantitative water and fertilizer spraying device for tobacco cultivation experiments. The device includes a sprayer with a handle, an open top with a cap, and a nozzle on one side of the bottom. Inside the sprayer, there are upper and lower partition plates and a movable plate. A sealing ring is provided around the movable plate. The partition plate has an inlet sealed by an inlet plug, and the movable plate has an outlet sealed by a drain plug. An adjusting screw is located below the movable plate, and the adjusting screw passes through the bottom of the sprayer. The device features a threaded sleeve connection, with the bottom of the adjusting screw located externally and equipped with a handwheel. The top of the adjusting screw engages with a bearing located on the bottom surface of the movable plate. An upper support is mounted on the inner wall of the sprayer above the partition plate, with an upper fixed pulley at its end. A lower support is mounted on the inner wall of the sprayer below the movable plate, with a lower fixed pulley at its end. The top of the inlet plug is connected via an upper pull wire that passes over the upper fixed pulley, and the top of the outlet plug is connected via a lower pull wire that passes over the lower fixed pulley. The other ends of the upper and lower pull wires extend out of the sprayer and are located externally. The inlet is shaped like an inverted frustum, wider at the top and narrower at the bottom, while the outlet is also frustum-shaped. The bottom surface of the inlet plug is flush with the bottom surface of the partition plate, and the top surface of the outlet plug is flush with the top surface of the movable plate. This invention has a simple structure and ingenious design, enabling the fixation of the volume of water and fertilizer sprayed each time, ensuring that the amount of water and fertilizer sprayed meets the experimental requirements.
[0004] The aforementioned technology requires pulling an upper cable to move the inlet plug upwards along a guide rod, exposing the inlet. Water and fertilizer enter the space between the partition plate and the movable plate. Once this space is filled, the upper cable is released, causing the inlet plug to seal the inlet under the pressure of the water and fertilizer. Then, pulling the lower cable causes the drain plug to move downwards against the spring force, exposing the drain outlet. In this way, the water and fertilizer between the partition plate and the movable plate can flow out from the nozzle and spray onto the leaf surface. This operation is cumbersome and inconvenient. Therefore, a quantitative water and fertilizer spraying device for tobacco cultivation is proposed to solve the above problems. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides a quantitative water and fertilizer spraying device for tobacco cultivation, which aims to improve the problem of the cumbersome operation of spraying after quantitative water and fertilizer application in the prior art.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: a quantitative water and fertilizer spraying device for tobacco cultivation, comprising a tank, a movable rod elastically connected to the upper outer wall of the tank via a spring, a clamping plate fixedly connected to the lower outer wall of the movable rod, a fixing plate fixedly connected to the inner wall of the tank, a threaded rod rotatably connected to the lower inner wall of the fixing plate, a movable plate threadedly connected through and threaded to the outer wall of the threaded rod, a fixing block fixedly connected to the lower inner wall of the movable plate, an arc-shaped block fixedly connected to the front inner wall of the fixing block, a lever elastically connected to the inner wall of the fixing block via a spring, a rotating block fixedly connected to the upper rear outer wall of the lever, a pressing assembly provided on the upper outer wall of the tank for driving the movement of the movable rod, and a gripping assembly provided on the right inner wall of the tank for gripping the tank.
[0007] As a further description of the above technical solution:
[0008] The gripping assembly includes a gripping block, the outer wall of the left end of the gripping block is slidably connected to the inner wall of the right end of the can, the inner wall of the right end of the can is provided with a sliding groove, and a limit block is connected to the inner wall of the gripping block by a spring-triple elastic connection.
[0009] As a further description of the above technical solution:
[0010] The pressing assembly includes a fixed base, the bottom outer wall of which is fixedly connected to the upper outer wall of the tank, and a pressing block is rotatably connected to the upper inner wall of the fixed base.
[0011] As a further description of the above technical solution:
[0012] One end of the spring is fixedly connected to the upper outer wall of the tank, and the other end of the spring is fixedly connected to the outer wall of the moving rod.
[0013] As a further description of the above technical solution:
[0014] The outer wall of the movable rod is slidably connected to the upper inner wall of the tank, and a fixing post is provided on the outer wall of the front end of the movable rod.
[0015] As a further description of the above technical solution:
[0016] One end of the second spring is fixedly connected to the inner wall of the fixed block, and the other end of the second spring is fixedly connected to the outer wall of the front end of the lever.
[0017] As a further description of the above technical solution:
[0018] One end of the spring three is fixedly connected to the inner wall of the gripping block, and the other end of the spring three is fixedly connected to the left outer wall of the limiting block.
[0019] As a further description of the above technical solution:
[0020] The left outer wall of the limiting block is slidably connected to the inner wall of the gripping block, and the left outer wall of the limiting block is engaged with the inner wall of the slide groove.
[0021] This utility model has the following beneficial effects:
[0022] 1. In this utility model, by setting up a clamping plate, a moving rod, and a pressing block, the distance between the moving plate and the fixed plate is adjusted by rotating the threaded rod according to the quantitative data, so that the distance between the fixed plate and the moving plate reaches the quantitative data. By pressing the pressing block, the moving rod and the clamping plate are moved to allow water and fertilizer to enter between the moving plate and the fixed plate, thereby realizing the quantitative distribution of water and fertilizer. The operation is simple.
[0023] 2. In this utility model, by providing a gripping block, a limiting block, and a sliding groove, the limiting block is moved to release the restriction on the gripping block, and the gripping block is moved to adjust the distance between it and the pressing block. After the distance between the gripping block and the pressing block reaches a comfortable gripping distance, the limiting block is released to fix the position of the gripping block, thereby improving the user's comfort. Attached Figure Description
[0024] Figure 1 This is a three-dimensional schematic diagram of a quantitative water and fertilizer spraying device for tobacco cultivation proposed in this utility model;
[0025] Figure 2 This is a schematic cross-sectional view of the tank and pressing block of a quantitative water and fertilizer spraying device for tobacco cultivation proposed in this utility model;
[0026] Figure 3 This is a cross-sectional schematic diagram of the fixed plate and the movable plate of a quantitative water and fertilizer spraying device for tobacco cultivation proposed in this utility model;
[0027] Figure 4 This is a schematic diagram of the fixing block of a quantitative water and fertilizer spraying device for tobacco cultivation proposed in this utility model.
[0028] Legend:
[0029] 1. Tank body; 2. Pressing block; 3. Moving rod; 4. Spring 1; 5. Fixed base; 6. Holding block; 7. Limiting block; 8. Spring 3; 9. Slide groove; 10. Threaded rod; 11. Toggle rod; 12. Clamping plate; 13. Fixed plate; 14. Moving plate; 15. Arc-shaped block; 16. Spring 2; 17. Fixed block; 18. Rotating block. Detailed Implementation
[0030] 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.
[0031] Reference Figure 2 - Figure 4This utility model provides an embodiment of a quantitative water and fertilizer spraying device for tobacco cultivation, comprising a tank 1 with an inlet at the upper end. The tank 1 is made of transparent material, and scale lines are provided on the outer wall of the front end of the tank 1. A movable rod 3 is elastically connected to the outer wall of the upper end of the tank 1 via a spring-4. The movement of the movable rod 3 causes the clamping plate 12 to move synchronously, stretching the spring-4. The movable rod 3 causes the clamping plate 12 to move upward, opening the opening on the fixed plate 13, allowing water and fertilizer on the upper side of the fixed plate 13 to enter between the fixed plate 13 and the movable plate 14. The movable rod 3 can slide on the inner wall of the pressing block 2, and the outer wall of the movable rod 3 penetrates and slides on the inner wall of the upper end of the tank 1. The outer wall of the front end of the movable rod 3... A fixed column is installed on the wall. One end of spring 4 is fixedly connected to the upper outer wall of tank 1, and the other end of spring 4 is fixedly connected to the outer wall of moving rod 3. A clamping plate 12 is fixedly connected to the lower outer wall of moving rod 3. The clamping plate 12 is engaged with the inner wall of fixed plate 13 to close the opening on fixed plate 13. When the clamping plate 12 moves upward away from the inner wall of fixed plate 13, the opening on fixed plate 13 can be opened. The bottom end of clamping plate 12 is provided with two symmetrical downward protruding truncated cones. A fixed plate 13 is fixedly connected to the inner wall of tank 1. The fixed plate 13 is provided with an opening to facilitate the water and fertilizer on the upper side of fixed plate 13 to enter between fixed plate 13 and moving plate 14. A threaded rod 10 is rotatably connected to the inner wall of the bottom end of the fixed plate 13. The rotation of the threaded rod 10 drives the moving plate 14 to move, adjusting the distance between the fixed plate 13 and the moving plate 14. The moving plate 14 is threaded through and connected to the outer wall of the threaded rod 10. The moving plate 14 moves with the rotation of the threaded rod 10, adjusting the distance between the moving plate 14 and the fixed plate 13 to achieve a quantitative function. A fixed block 17 is fixedly connected to the inner wall of the bottom end of the moving plate 14. The fixed block 17 is configured to provide support for the rotation of the rotating block 18. An arc-shaped block 15 is fixedly connected to the inner wall of the front end of the fixed block 17. The arc-shaped block 15 passes through the spring 16. The outer wall of the arc-shaped block 15 passes through the inner wall of the lever 11. The inner wall of the fixed block 17 is connected by... Spring 16 is elastically connected to lever 11. Lever 11 rotates and compresses spring 16. The rotation of lever 11 drives the rotation of rotating block 18. One end of spring 16 is fixedly connected to the inner wall of fixed block 17, and the other end of spring 16 is fixedly connected to the outer wall of the front end of lever 11. Rotating block 18 is fixedly connected to the outer wall of the upper rear end of lever 11. Rotating block 18 rotates with lever 11. When the through groove on rotating block 18 overlaps with the through groove on fixed block 17, the fertilizer can flow downward. A pressing component is provided on the upper outer wall of tank 1. The pressing component is used to drive the movement of moving rod 3. A gripping component is provided on the inner wall of the right end of tank 1. The gripping component is used to grip tank 1.
[0032] Reference Figure 1The gripping assembly includes a gripping block 6, which is designed to facilitate gripping of the can 1. The outer wall of the left end of the gripping block 6 is slidably connected to the inner wall of the right end of the can 1. A groove 9 is provided on the inner wall of the right end of the can 1, which provides support for the sliding of the gripping block 6. A limit block 7 is elastically connected to the inner wall of the gripping block 6 by a spring 8. The outer wall of the limit block 7 is engaged with the inner wall of the groove 9 to fix the position of the gripping block 6. Once the outer wall of the limit block 7 is engaged with the inner wall of the groove 9, the position of the gripping block 6 can be fixed. The outer wall of the limit block 7 is slidably connected to the inner wall of the gripping block 6 and engaged with the inner wall of the groove 9. One end of the spring 8 is fixedly connected to the inner wall of the gripping block 6, and the other end of the spring 8 is fixedly connected to the outer wall of the limit block 7.
[0033] Reference Figure 1 and Figure 2 The pressing assembly includes a fixed base 5, which is configured to provide support for the rotation of the pressing block 2. The bottom outer wall of the fixed base 5 is fixedly connected to the upper outer wall of the tank body 1, and the pressing block 2 is rotatably connected to the upper inner wall of the fixed base 5. The rotation of the pressing block 2 drives the moving rod 3 to move vertically.
[0034] Working principle: The limiting block 7 is moved to release the limiting block 6. The position of the holding block 6 on the inner wall of the slide 9 is adjusted by moving the holding block 6 so that the distance between the holding block 6 and the pressing block 2 is comfortable for the user to hold. Then, the limiting block 7 is released and locked onto the inner wall of the slide 9 to fix the position of the holding block 6. Then, water and fertilizer are poured into the tank 1 through the filling hole. According to the required amount of spraying, the moving plate 14 is moved by rotating the threaded rod 10 to adjust the distance to the fixed plate 13 to achieve the quantitative effect. The moving rod is moved by pressing the pressing block 2. 3. Move upwards. Moving the moving rod 3 upwards causes the card plate 12 to move upwards, opening the upper opening of the fixed plate 13. This allows the water and fertilizer on the upper side of the fixed plate 13 to enter between the fixed plate 13 and the moving plate 14. After the space between the fixed plate 13 and the moving plate 14 is filled with water and fertilizer, release the pressing block 2. This causes the card plate 12 to move downwards and seal the upper opening of the fixed plate 13. Then, by rotating the lever 11, the rotation of the lever 11 causes the rotating block 18 to rotate. This causes the through groove on the rotating block 18 to overlap with the through groove on the fixed block 17. The water and fertilizer are then sprayed onto the tobacco through the through groove.
[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model 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 utility model should be included within the protection scope of the present utility model.
Claims
1. A quantitative water and fertilizer spraying device for tobacco cultivation, comprising a tank body (1), characterized in that: The upper end outer wall of the tank body (1) is elastically connected with a moving rod (3) through a spring (4), the bottom end outer wall of the moving rod (3) is fixedly connected with a clamping plate (12), the inner wall of the tank body (1) is fixedly connected with a fixed plate (13), the bottom end inner wall of the fixed plate (13) is rotatably connected with a threaded rod (10), the outer wall of the threaded rod (10) penetrates and is threadedly connected with a moving plate (14), the bottom end inner wall of the moving plate (14) is fixedly connected with a fixed block (17), the front end inner wall of the fixed block (17) is fixedly connected with an arc-shaped block (15), the inner wall of the fixed block (17) is elastically connected with a pushing rod (11) through a spring (16), the upper end rear side outer wall of the pushing rod (11) is fixedly connected with a rotating block (18), the upper end outer wall of the tank body (1) is provided with a pressing assembly, the pressing assembly is used for driving the movement of the moving rod (3), and the right end inner wall of the tank body (1) is provided with a holding assembly, and the holding assembly is used for holding the tank body (1).
2. The quantitative water and fertilizer spraying device for tobacco cultivation according to claim 1, characterized in that: The holding assembly comprises a holding block (6), the left end outer wall of the holding block (6) is slidably connected to the right end inner wall of the tank body (1), a sliding groove (9) is formed in the right end inner wall of the tank body (1), and the inner wall of the holding block (6) is elastically connected with a limiting block (7) through a spring (8).
3. The tobacco cultivation quantitative water and fertilizer spraying device according to claim 1, characterized in that: The pressing assembly comprises a fixed seat (5), and the bottom end outer wall of the fixed seat (5) is fixedly connected to the upper end outer wall of the tank body (1).
4. The quantitative water and fertilizer spraying device for tobacco cultivation according to claim 1, characterized in that: One end of the spring (4) is fixedly connected to the upper end outer wall of the tank body (1), and the other end of the spring (4) is fixedly connected to the outer wall of the moving rod (3).
5. The tobacco cultivation quantitative water and fertilizer spraying device according to claim 1, characterized in that: The outer wall of the moving rod (3) penetrates and is slidably connected to the upper end inner wall of the tank body (1), and the front end outer wall of the moving rod (3) is provided with a fixed column.
6. The quantitative water and fertilizer spraying device for tobacco cultivation according to claim 1, characterized in that: One end of the spring (16) is fixedly connected to the inner wall of the fixed block (17), and the other end of the spring (16) is fixedly connected to the front end outer wall of the pushing rod (11).
7. The water and fertilizer spraying device for tobacco cultivation according to claim 2, characterized in that: One end of the spring (8) is fixedly connected to the inner wall of the holding block (6), and the other end of the spring (8) is fixedly connected to the left side outer wall of the limiting block (7).
8. The water and fertilizer spraying device for tobacco cultivation according to claim 2, characterized in that: The left side outer wall of the limiting block (7) is slidably connected to the inner wall of the holding block (6), and the left side outer wall of the limiting block (7) is clamped to the inner wall of the sliding groove (9).
Citation Information
Patent Citations
Accurate quantitative liquid manure spraying device of tobacco experiment in cultivation
CN208638976U