Adjustable flow seedling fertilizer applicator

By designing an adjustable flow seedling fertilizer applicator, and utilizing an adjustable structure and mixing components, the problem of inconvenient fertilizer application in seedling fertilizer applicators has been solved, enabling precise fertilization based on seedling type and improving the applicability and efficiency of the fertilizer applicator.

CN224936142UActive Publication Date: 2026-11-06HEFENG COUNTY HUACHU SEEDLING CO LTD
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Patent Information

Application Number
CN202521890086.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-03
Publication Date
2026-11-06
Estimated Expiration
2035-09-03

AI Technical Summary

Technical Problem

Existing seedling fertilizer applicators are not convenient for adjusting the amount of fertilizer according to the type of plant, and their applicability is insufficient.

Method used

An adjustable flow seedling fertilizer applicator was designed. By setting up an adjustment structure and a rotation structure, the flow area between the flow channel and the outer shell is adjusted using a spherical regulator and a handle to adjust the fertilizer flow rate. The solubility of water-soluble fertilizer is improved by a stirring component to avoid fertilizer leakage and blockage.

Benefits of technology

It enables the adjustment of fertilizer application based on the needs of seedlings, improves the convenience and efficiency of fertilizer applicators, reduces fertilizer waste, and adapts to the fertilization needs of different plant types.

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Abstract

This utility model relates to the field of fertilizer applicator technology, providing an adjustable flow seedling fertilizer applicator, including a movable base, a bracket fixed to one side of the top of the movable base, a storage component disposed above the movable base, a stirring component disposed inside the storage component, and a rotating structure fixed to the bottom of the storage component. This utility model, by incorporating an adjustment structure, allows rotation of a spherical adjuster by turning a handle and adjusting rod, thereby adjusting the communication area between the flow channel and the central groove of the outer shell. This adjusts the fertilizer flow rate to meet the fertilization needs of different seedlings. The mechanical adjustment eliminates the need for complex circuitry, making it suitable for field operations. Rotating the flow channel to a position perpendicular to the central groove of the outer shell closes the channel, completely sealing it and preventing fertilizer leakage. This device allows for easy adjustment of the fertilizer application rate as needed, improving the convenience of use.
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Description

Technical Field

[0001] This utility model relates to the field of fertilizer applicator technology, and in particular to an adjustable flow seedling fertilizer applicator. Background Technology

[0002] As modern agriculture develops towards precision, efficiency, and ecology, seedling cultivation, as a fundamental link in forestry, horticulture, and urban greening, places higher demands on fertilization technology. Traditional manual spreading or simple mechanical fertilization has problems such as fertilizer waste, uneven distribution, and high labor intensity, which cannot meet the needs of the modern seedling industry. Therefore, it is necessary to design an adjustable flow seedling fertilizer applicator.

[0003] To this end, patent CN216982558U discloses a dual-purpose dry and wet fertilizer applicator. The fertilizer applicator includes a fertilizer tank, the top of which is connected to a sealing cap by a snap fastener. The bottom right side of the fertilizer tank has a discharge port with a flexible hose. The other end of the flexible hose is connected to a fertilizer delivery pipe via a converter. The end of the fertilizer delivery pipe near the converter has a ball valve. The back of the fertilizer tank has a shoulder strap, and the bottom of the back of the fertilizer tank has a movable hook. The end of the shoulder strap is connected to the movable hook.

[0004] While the aforementioned dry and wet fertilizer applicators are labor-saving and efficient during use, they are not convenient for adjusting the amount of fertilizer according to the type of plant, and their applicability is insufficient. Therefore, it is necessary to design an adjustable flow seedling fertilizer applicator. Utility Model Content

[0005] The purpose of this invention is to provide an adjustable flow seedling fertilizer applicator to solve the shortcomings of existing seedling fertilizer applicators, which are inconvenient to adjust the amount of fertilizer according to the plant type and have insufficient applicability.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: an adjustable flow seedling fertilizer applicator, including a movable base;

[0007] A bracket is fixed to one side of the top of the movable base, a storage component is provided above the movable base, and a stirring component is provided inside the storage component.

[0008] The bottom of the storage component is fixed with a rotating structure;

[0009] Both sides of the bottom of the storage component are fixed with connecting pipes. An adjustment structure is fixed at the end of the connecting pipe away from the storage component. The adjustment structure includes a housing bolted to one end of the connecting pipe. A spherical adjuster is provided inside the housing. A flow groove is opened inside the spherical adjuster. An adjustment rod is fixed at the middle position of the top of the spherical adjuster. The top of the adjustment rod extends to the outside of the housing and is fixedly connected to a handle.

[0010] Furthermore, the storage component includes a fertilizer box disposed above a movable base, the fertilizer box having a fertilizer chamber inside, a cover fixed to the top of the fertilizer box, a compressor fixedly installed on one side of the top of the cover, a piston being interference-fitted to the side of the top of the cover away from the compressor, and a discharge pipe fixed to one side of the bottom of the fertilizer box.

[0011] Furthermore, the stirring assembly includes a drive shaft disposed inside the fertilizer chamber, and stirring shafts are uniformly fixed on the outer walls on both sides of the drive shaft. The stirring assembly also includes a drive motor fixedly installed at the middle position of the top of the cover.

[0012] Furthermore, the top end of the drive shaft extends to the outside of the cover and is fixedly connected to the output end of the drive motor, the bottom end of the drive shaft extends to the bottom of the fertilizer box and is rotatably connected to the fertilizer box, and the stirring shafts are evenly distributed on the outer wall of the drive shaft.

[0013] Furthermore, the outer wall of the spherical regulator and the inner wall of the outer shell abut against each other, the central axis of the flow channel and the central axis of the outer shell are collinear, and the outer shell is symmetrically distributed on both sides of the fertilizer box.

[0014] Furthermore, a nozzle is bolted to the end of the outer casing away from the connecting pipe.

[0015] Furthermore, the rotating structure includes a rotating groove, a rotating seat, balls, a limiting groove, and a limiting ring. The rotating groove is located at the top of the movable base, the rotating seat is fixed to the edge of the bottom of the fertilizer box, balls are evenly distributed at the bottom of the rotating seat, the limiting groove is located inside the movable base outside the rotating groove, and a limiting ring is provided inside the limiting groove.

[0016] Furthermore, the rotating seat and the movable base are rotatably connected by a rotating groove, the balls are evenly distributed at the bottom of the rotating seat, and the inner wall of the limiting ring and the outer wall of the rotating seat are fixedly connected.

[0017] The adjustable flow seedling fertilizer applicator provided by this utility model has the following advantages:

[0018] With an adjustable structure, the spherical regulator can be rotated by turning the handle and adjusting rod, adjusting the communication area between the flow channel and the central groove of the outer shell. This allows for adjustment of the fertilizer flow rate to meet the fertilization needs of different seedlings. The mechanical adjustment eliminates the need for complex circuitry, making it suitable for field operations. Rotating the flow channel to a position perpendicular to the central groove of the outer shell closes the channel, creating a complete seal and preventing fertilizer leakage. This device allows for easy adjustment of the fertilizer application rate as needed, improving the convenience of using the seedling fertilizer applicator.

[0019] By incorporating a rotating structure, the direction of the adjustment mechanism can be easily changed by rotating the fertilizer box. During fertilization, the adjustment mechanism can be rotated to both sides of the movable base, and the nozzle can be aimed at the seedlings. After fertilization, the adjustment mechanism and nozzle can be rotated to the top of the movable base for easy storage, preventing damage to the adjustment mechanism and nozzle during movement. The evenly distributed ball bearings at the bottom of the rotating base facilitate the rotation of the fertilizer box and reduce friction during rotation. This device achieves the function of facilitating the rotation of the storage components and adjustment mechanism, improving the convenience of using the seedling fertilizer applicator.

[0020] By incorporating a stirring component, the mechanical stirring of the stirring shaft can improve the solubility of water-soluble fertilizer, prevent pipe blockage, and avoid uneven dissolution of the fertilizer leading to insufficient efficacy. This device effectively improves the dissolution efficiency of water-soluble fertilizer, enhancing the convenience and efficiency of the adjustable flow seedling fertilizer applicator during use. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the front cross-sectional structure of this utility model;

[0023] Figure 3 For the present utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0024] Figure 4 This is a three-dimensional structural schematic diagram of the main cross-section of this utility model;

[0025] Figure 5 This is a side view cross-sectional three-dimensional structural schematic diagram of the present invention;

[0026] Figure 6 This is a top-view cross-sectional three-dimensional structural diagram of the present invention.

[0027] The following are the annotations in the diagram: 1. Movable base; 2. Support; 3. Storage component; 31. Fertilizer box; 32. Fertilizer chamber; 33. Cover; 34. Compressor; 35. Piston; 36. Discharge pipe; 4. Mixing component; 41. Drive motor; 42. Drive shaft; 43. Mixing shaft; 5. Adjustment structure; 51. Handle; 52. Adjustment rod; 53. Outer shell; 54. Spherical adjuster; 55. Flow channel; 6. Nozzle; 7. Connecting pipe; 8. Rotating structure; 81. Rotating groove; 82. Rotating seat; 83. Ball bearing; 84. Limiting groove; 85. Limiting ring. Detailed Implementation

[0028] 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.

[0029] Please see Figures 1-6 The adjustable flow seedling fertilizer provided by this utility model includes a movable base 1.

[0030] Reference Figures 1-6 A support bracket 2 is fixed to one side of the top of the movable base 1. A storage component 3 is arranged above the movable base 1. The storage component 3 includes a fertilizer box 31 arranged above the movable base 1. The fertilizer box 31 has a fertilizer chamber 32 inside. A cover 33 is fixed to the top of the fertilizer box 31. A compressor 34 is fixedly installed on one side of the top of the cover 33. A piston 35 is interference-fitted to the side of the top of the cover 33 away from the compressor 34. A discharge pipe 36 is fixed to one side of the bottom of the fertilizer box 31. The storage component 3 is arranged inside... The mixing assembly 4 includes a drive shaft 42 disposed inside the fertilizer chamber 32, and mixing shafts 43 are evenly fixed on the outer walls on both sides of the drive shaft 42. The mixing assembly 4 also includes a drive motor 41 fixedly installed at the middle position of the top of the cover 33. The top end of the drive shaft 42 extends to the outside of the cover 33 and is fixedly connected to the output end of the drive motor 41. The bottom end of the drive shaft 42 extends to the bottom of the fertilizer box 31 and is rotatably connected to the fertilizer box 31. The mixing shafts 43 are evenly distributed on the outer wall of the drive shaft 42.

[0031] When the drive motor 41 is started, the drive motor 41 will drive the drive shaft 42 to rotate, which will drive the stirring shaft 43 on the side wall to cut and mix the fertilizer. The bottom of the drive shaft 42 is rotatably connected to the fertilizer box 31, and the top extends to the outside and is fixed to the output end of the drive motor 41, forming a closed transmission structure. The stirring shafts 43 are evenly distributed to form vortices and enhance the mixing effect.

[0032] Reference Figure 2 , Figure 4 and Figure 5The bottom of the storage component 3 is fixed with a rotating structure 8. The rotating structure 8 includes a rotating groove 81, a rotating seat 82, balls 83, a limiting groove 84, and a limiting ring 85. The rotating groove 81 is opened at the top of the movable base 1. The rotating seat 82 is fixed at the edge of the bottom of the fertilizer box 31. Balls 83 are evenly arranged at the bottom of the rotating seat 82. The limiting groove 84 is opened outside the rotating groove 81 and inside the movable base 1. A limiting ring 85 is arranged inside the limiting groove 84. The rotating seat 82 and the movable base 1 are rotatably connected through the rotating groove 81. The balls 83 are evenly distributed at the bottom of the rotating seat 82. The inner side wall of the limiting ring 85 is fixedly connected to the outer side wall of the rotating seat 82.

[0033] When fertilizing, hold the fertilizer box 31 and apply force. The fertilizer box 31 will drive the rotating seat 82 to rotate inside the rotating groove 81. When the rotating seat 82 rotates, it will drive the ball bearings 83 to contact the inner wall of the movable base 1, generating rolling friction. This changes the sliding friction between the rotating seat 82 and the movable base 1 into rolling friction, reducing the friction force. In addition, the ball bearings 83 are evenly distributed at the bottom of the rotating seat 82, forming multi-point support, which can keep the equipment stable.

[0034] Reference Figures 1-6 Both sides of the bottom of the storage component 3 are fixed with connecting pipes 7. The end of the connecting pipe 7 away from the storage component 3 is fixed with an adjustment structure 5. The adjustment structure 5 includes a housing 53 bolted to one end of the connecting pipe 7. A spherical adjuster 54 is provided inside the housing 53. A flow channel 55 is opened inside the spherical adjuster 54. An adjustment rod 52 is fixed at the middle position of the top of the spherical adjuster 54. The top of the adjustment rod 52 extends to the outside of the housing 53 and is fixedly connected with a handle 51. The outer wall of the spherical adjuster 54 and the inner wall of the housing 53 abut against each other. The central axis of the flow channel 55 and the central axis of the housing 53 are collinear. The housing 53 is symmetrically distributed on both sides of the fertilizer box 31. A nozzle 6 is bolted to the end of the housing 53 away from the connecting pipe 7.

[0035] Rotating handle 51 causes adjusting rod 52 to rotate, which in turn causes spherical regulator 54 to rotate. Rotation of spherical regulator 54 changes the angle between flow channel 55 and housing 53. The flow rate is maximized when the flow channel 55 and the internal channels of housing 53 are parallel to each other, and minimized when they are perpendicular. The outer wall of spherical regulator 54 is in close contact with the inner wall of housing 53. After the spherical regulator 54 and flow channel 55 are rotated and adjusted, friction ensures the position of spherical regulator 54, preventing automatic slippage.

[0036] 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. An adjustable flow seedling fertilizer applicator, including a movable base (1); Its features are: A bracket (2) is fixed to one side of the top of the movable base (1), and a storage component (3) is provided above the movable base (1). A stirring component (4) is provided inside the storage component (3). The bottom end of the storage component (3) is fixed with a rotating structure (8). The storage component (3) has connecting pipes (7) fixed on both sides of its bottom. The end of the connecting pipe (7) away from the storage component (3) is fixed with an adjustment structure (5). The adjustment structure (5) includes a housing (53) bolted to one end of the connecting pipe (7). A spherical adjuster (54) is provided inside the housing (53). A flow groove (55) is opened inside the spherical adjuster (54). An adjustment rod (52) is fixed at the middle position of the top of the spherical adjuster (54). The top of the adjustment rod (52) extends to the outside of the housing (53) and is fixedly connected with a handle (51).

2. The adjustable flow seedling fertilizer applicator according to claim 1, characterized in that: The storage component (3) includes a fertilizer box (31) disposed above a movable base (1). The fertilizer box (31) has a fertilizer chamber (32) inside. A cover (33) is fixed to the top of the fertilizer box (31). A compressor (34) is fixedly installed on one side of the top of the cover (33). A piston (35) is interference-fitted to the side of the top of the cover (33) away from the compressor (34). A discharge pipe (36) is fixed to one side of the bottom of the fertilizer box (31).

3. The adjustable flow seedling fertilizer applicator according to claim 1, characterized in that: The stirring assembly (4) includes a drive shaft (42) disposed inside the fertilizer chamber (32), and stirring shafts (43) are uniformly fixed on the outer walls on both sides of the drive shaft (42). The stirring assembly (4) also includes a drive motor (41) fixedly installed at the middle position of the top of the cover (33).

4. The adjustable flow seedling fertilizer applicator according to claim 3, characterized in that: The top end of the drive shaft (42) extends to the outside of the cover (33) and is fixedly connected to the output end of the drive motor (41). The bottom end of the drive shaft (42) extends to the bottom of the fertilizer box (31) and is rotatably connected to the fertilizer box (31). The stirring shaft (43) is evenly distributed on the outer wall of the drive shaft (42).

5. The adjustable flow seedling fertilizer applicator according to claim 1, characterized in that: The outer wall of the spherical regulator (54) and the inner wall of the outer shell (53) abut against each other. The central axis of the flow channel (55) and the central axis of the outer shell (53) are collinear. The outer shell (53) is symmetrically distributed on both sides of the fertilizer box (31).

6. The adjustable flow seedling fertilizer applicator according to claim 1, characterized in that: The nozzle (6) is bolted to the end of the outer shell (53) away from the connecting pipe (7).

7. The adjustable flow seedling fertilizer applicator according to claim 1, characterized in that: The rotating structure (8) includes a rotating groove (81), a rotating seat (82), ball bearings (83), a limiting groove (84), and a limiting ring (85). The rotating groove (81) is located on the top of the movable base (1). The rotating seat (82) is fixed to the edge of the bottom of the fertilizer box (31). Ball bearings (83) are evenly arranged on the bottom of the rotating seat (82). The limiting groove (84) is located inside the movable base (1) outside the rotating groove (81). A limiting ring (85) is provided inside the limiting groove (84).

8. The adjustable flow seedling fertilizer applicator according to claim 7, characterized in that: The rotating seat (82) and the movable base (1) are rotatably connected by a rotating groove (81). The balls (83) are evenly distributed at the bottom of the rotating seat (82). The inner wall of the limiting ring (85) and the outer wall of the rotating seat (82) are fixedly connected.

Citation Information

Patent Citations

  • Wet and dry dual-purpose fertilizer applicator

    CN216982558U