Device for applying organic fertilizer and inorganic fertilizer in proportion

By designing the automatic mixed mixing structure, the problem of troubles and proportional control in the process of water applied in the process of water adding water is designed, and the more convenient and efficient fertilization process is achieved.

CN222396177UActive Publication Date: 2025-01-28张林鹏
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Patent Information

Application Number
CN202420620763.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-28
Publication Date
2025-01-28
Estimated Expiration
2034-03-28

AI Technical Summary

Technical Problem

The existing organic fertilizer-inorganic fertilizer proportional fertilizer applicators need to manually control the proportion of water during the water mixing process, which is troublesome and cannot be accurately controlled.

Method used

Design a mixing structure including fertilizer warehouse, mixture, and water tank. By rotating the coordination of the motor and the discharge board, the automatic mix of organic fertilizer and inorganic fertilizer is realized. Add and control the proportion of water.

Benefits of technology

Simplified the mixing process of water adding, reducing manual operation, improving the accuracy of the water ratio, making the fertilization process more convenient and efficient.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fertilizing devices, and discloses an organic fertilizer and inorganic fertilizer proportional fertilizing device which comprises a cart, a storage battery is fixedly connected to the top of the cart, a material mixing structure is arranged at the top of the cart and comprises a fertilizer bin, a material mixing pipe and a water tank, the material mixing pipe is fixedly connected to the top of the cart, and the water tank is connected with the storage battery. The fertilizer bin is fixedly connected to the top of the mixing pipe, the water tank is fixedly connected to the rear wall face of the fertilizer bin, the mixing pipe is in a hollow cylindrical shape, a cavity of the fertilizer bin is hollow, the mixing pipe is communicated with the cavity of the fertilizer bin, and the mixing structure can mix organic fertilizer and inorganic fertilizer. By arranging the material mixing structure, water can be more conveniently added into the fertilizer for mixing during use; due to the fact that the mixing structure stores the fertilizer and the water and can mix the fertilizer and the water when the fertilizer and the water need to be used, manual adding is needed only when no fertilizer and water exist in the device in the process, and manual mixing and adding are not needed in the other steps.
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Description

Technical Field

[0001] The utility model belongs to the technical field of fertilizing devices, and in particular relates to a device for fertilizing organic fertilizers and inorganic fertilizers in proportion. Background Art

[0002] The prior art (application number: 202321267308.3) discloses a dryland organic fertilizer-inorganic fertilizer proportional fertilizer applicator, comprising a base plate, a walking mechanism is installed on the bottom surface of the base plate, and a fertilizer quantitative supply mechanism and a mixing and stirring mechanism are installed on the top surface of the base plate.

[0003] The prior art mixes organic fertilizer and inorganic fertilizer in a device so that they can be mixed and then fertilized in proportion. However, when the organic fertilizer and the inorganic fertilizer are mixed together, if water needs to be added to the fertilizer, the water must be manually added in proportion to achieve the purpose of adding water. Moreover, after the mixed fertilizer in the device is used up, water must continue to be manually added. This process requires water to be carried separately and the proportion cannot be accurately controlled when adding water, which is more troublesome.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0006] A device for fertilizing organic fertilizer and inorganic fertilizer in proportion comprises a cart, a storage battery is fixedly connected to the top of the cart, a mixing structure is arranged on the top of the cart, the mixing structure comprises a fertilizer bin, a mixing pipe and a water tank, the mixing pipe is fixedly connected to the top of the cart, the fertilizer bin is fixedly connected to the top of the mixing pipe, the water tank is fixedly connected to the rear wall of the fertilizer bin, the mixing pipe is in a hollow cylindrical shape, the fertilizer bin cavity is hollow, the mixing pipe is connected to the fertilizer bin cavity, the mixing structure can mix the organic fertilizer and the inorganic fertilizer, the water tank is in a hollow rectangular shape, the top wall of the fertilizer bin is in a capsule shape, the cavity of the water tank can also be connected to the cavity of the mixing pipe; the mixing structure also comprises a partition, a top plate, a flow pipe and a rotating motor, the partition is fixedly connected to the cavity of the fertilizer bin, the top plate is symmetrically rotatably connected to the top of the fertilizer bin, the flow pipe is fixedly connected to the bottom of the fertilizer bin, and the rotating motor is fixedly connected to the wall of the flow pipe.

[0007] As a preferred embodiment of the utility model, the partition can divide the fertilizer bin into two independent hollow cavities, the symmetrical top plate can cover the opening of the fertilizer bin, the flow tube is in the shape of a hollow tube, the flow tube is symmetrically fixedly connected to the bottom of the fertilizer bin, the rotating motor is fixedly connected between the symmetrical flow tubes, the cavity of the flow tube can be connected to the fertilizer bin, the symmetrical flow tubes are respectively connected to the two independent hollow cavities of the fertilizer bin, and the bottom of the flow tube is fixedly connected and connected to the mixing pipe.

[0008] As a preferred embodiment of the utility model, the mixing structure also includes a discharge plate, a rotating shaft, a stirring rod and a scraper rod. The discharge plate is rotatably connected to the bottom of the flow tube, the rotating shaft is rotatably connected to the cavity of the mixing tube, the stirring rod is fixedly connected to the wall of the rotating shaft, and the scraper rod is fixedly connected to the wall of the stirring rod.

[0009] As a preferred embodiment of the utility model, the bottom of the rotating motor can pass through the wall of the flow tube and be fixedly connected to the top of the rotating shaft. The position and number of the discharge plates correspond to the flow tube. The discharge plates can block the bottom of the flow tube in the mixing tube. The top cross-section of the scraper rod is an isosceles triangle. The scraper rod can contact the inner wall of the mixing tube cavity. The wall surface where the scraper rod contacts the mixing tube is arc-shaped.

[0010] As a preferred embodiment of the utility model, the mixing structure also includes a water pipe, a water inlet plate, a live groove and a water control rod. The water pipe is fixedly connected to the bottom of the water tank, the water inlet plate is fixedly connected to the top of the water tank, the live groove is opened on the wall of the water inlet plate, the water control rod is slidably connected in the cavity of the water tank, the water pipe is a hollow L-shaped tube, the bottom of the water pipe can be connected to the cavity of the mixing pipe, the top of the water pipe can be connected to the cavity of the water tank, the bottom of the water control rod can block the opening connecting the bottom of the water tank cavity and the water pipe, the water control rod can slide in the live groove, the top of the water inlet plate is sloped, and there is a gap between the side wall of the water inlet plate and the water tank cavity.

[0011] As a preferred embodiment of the utility model, the bottom of the cart is fixedly connected to a bottom shaft, the discharge plate is rotatably connected to the wall of the bottom shaft, a circular hole is opened through the bottom of the cart, the circular hole at the bottom of the cart is connected to the mixing tube cavity, and the top of the discharge plate can block the circular hole at the bottom of the cart.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. By setting up a mixing structure, it is more convenient to add water to the fertilizer for mixing when it is used, because the mixing structure can store fertilizer and water and mix them when needed, and this process only needs to be manually added when there is no fertilizer and water in the device, and the remaining steps do not require manual mixing and adding. Therefore, compared with the prior art, this solution is more convenient when water needs to be added.

[0014] 2. This scheme has a compact structure but complete functions, making it lighter and more convenient to use. In addition, this scheme has a simple structure and is more convenient and simple to repair and maintain.

[0015] The specific implementation modes of the present utility model are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In the attached picture:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 This is a disassembled diagram of the discharge plate and the trolley of the utility model;

[0019] Figure 3 This is an exploded view of the flow pipe and fertilizer bin of the utility model;

[0020] Figure 4 This is a structural diagram of the mixing tube cavity of the utility model;

[0021] Figure 5 This is an exploded view of the water tank and water control rod of the utility model.

[0022] In the figure: 20, cart; 21, battery; 22, bottom shaft; 23, discharge plate; 30, fertilizer bin; 31, partition; 32, top plate; 40, flow pipe; 41, rotating motor; 42, discharge plate; 50, mixing pipe; 51, rotating shaft; 52, stirring rod; 53, scraper rod; 60, water tank; 61, water pipe; 62, water inlet plate; 63, active trough; 64, water control rod. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0024] like Figure 1 and Figure 2 As shown, a device for fertilizing organic fertilizer and inorganic fertilizer in proportion includes a cart 20, a battery 21 is fixedly connected to the top of the cart 20, wheels are installed on the wall of the cart 20, and the battery 21 can drive the wheels of the cart 20 to roll. This is an existing technology, so it will not be described here.

[0025] like Figure 1 , Figure 2 , Figure 3As shown, a mixing structure is provided on the top of the cart 20, and the mixing structure includes a fertilizer bin 30, a mixing pipe 50 and a water tank 60. The mixing pipe 50 is fixedly connected to the top of the cart 20, the fertilizer bin 30 is fixedly connected to the top of the mixing pipe 50, and the water tank 60 is fixedly connected to the rear wall of the fertilizer bin 30. The mixing pipe 50 is hollow cylindrical, and the cavity of the fertilizer bin 30 is hollow. The mixing pipe 50 is connected to the cavity of the fertilizer bin 30. The mixing structure can mix organic fertilizer and inorganic fertilizer. The water tank 60 is in a hollow rectangular shape, and the top wall of the fertilizer bin 30 is in a capsule shape. The cavity of the water tank 60 can also be connected to the cavity of the mixing pipe 50. The mixing structure also includes a partition 31, a top plate 32, a flow tube 40 and a rotating motor 41. The partition 31 is fixedly connected to the cavity of the fertilizer bin 30, the top plate 32 is symmetrically rotatably connected to the top of the fertilizer bin 30, the flow tube 40 is fixedly connected to the bottom of the fertilizer bin 30, and the rotating motor 41 is fixedly connected to the wall of the flow tube 40.

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the mixing structure also includes a discharge plate 42, a rotating shaft 51, a stirring rod 52 and a scraper rod 53. The discharge plate 42 is rotatably connected to the bottom of the flow tube 40, the rotating shaft 51 is rotatably connected to the cavity of the mixing tube 50, the stirring rod 52 is fixedly connected to the wall of the rotating shaft 51, and the scraper rod 53 is fixedly connected to the wall of the stirring rod 52. The bottom of the rotating motor 41 can pass through the wall of the flow tube 40 and is fixedly connected to the top of the rotating shaft 51. The position and number of the discharge plate 42 correspond to the flow tube 40. The discharge plate 42 can block the bottom of the flow tube 40 in the mixing tube 50. The top section of the scraper rod 53 is an isosceles triangle. The scraper rod 53 can contact the wall of the cavity of the mixing tube 50. The wall contacted by the scraper rod 53 and the mixing tube 50 is arc-shaped. The mixing structure also includes a water pipe 61, a water inlet plate 62, a live groove 63 and a water control rod 64. The water pipe 61 is fixedly connected to the bottom of the water tank 60, and the water inlet plate 62 is connected to the mixing tube 50. The plate 62 is fixedly connected to the top of the water tank 60, the active groove 63 is opened on the wall of the water inlet plate 62, the water control rod 64 is slidably connected to the cavity of the water tank 60, the water pipe 61 is a hollow L-shaped tube, the bottom of the water pipe 61 can be connected to the cavity of the mixing tube 50, the top of the water pipe 61 can be connected to the cavity of the water tank 60, the bottom of the water control rod 64 can block the opening connecting the bottom of the cavity of the water tank 60 and the water pipe 61, the water control rod 64 can slide in the active groove 63, the top of the water inlet plate 62 is sloped, and there is a gap between the side wall of the water inlet plate 62 and the cavity of the water tank 60, the bottom of the cart 20 is fixedly connected to the bottom of the bottom shaft 22, the discharge plate 23 is rotatably connected to the wall of the bottom shaft 22, a circular hole is opened through the bottom of the cart 20, the circular hole at the bottom of the cart 20 is connected to the cavity of the mixing tube 50, and the top of the discharge plate 23 can block the circular hole at the bottom of the cart 20;

[0027] During specific use, the top plate 32 is rotated on the top of the fertilizer bin 30. At this time, the top of the fertilizer bin 30 will be in an open state. At this time, the organic fertilizer and the inorganic fertilizer are respectively poured into the corresponding fertilizer bin 30 cavities. At this time, the fertilizers will be accumulated and stored in the fertilizer bin 30 and the cavity of the flow tube 40. The rotating motor 41 is electrically connected to the corresponding power supply. The discharge plate 42 is also provided with a motor capable of controlling the rotation of the discharge plate 42 at the rotation position at the bottom of the flow tube 40. The motor on the wall of the discharge plate 42 is electrically connected to the corresponding power supply. This motor can control the rotation angle and time of the discharge plate 42. When mixing is required When mixing fertilizer, the discharge plate 42 is controlled by the motor on the wall of the discharge plate 42 to rotate. When the discharge plate 42 rotates, the bottom of the flow tube 40 will be in an open state, and the fertilizer in the cavity of the flow tube 40 will flow from the bottom of the flow tube 40 to the cavity of the mixing tube 50. When the fertilizer enters the cavity of the mixing tube 50, the power of the rotating motor 41 is turned on, and the rotating motor 41 can drive the rotating shaft 51 to rotate. When the fertilizer enters the cavity of the mixing tube 50, if water needs to be mixed into the cavity of the mixing tube 50 at this time, it is necessary to manually pull the water control rod 64 so that the bottom of the water control rod 64 no longer blocks the top of the water pipe 61. When the water in the water tank 60 cavity is connected to the mixing tube 50 cavity, the water will flow into the mixing tube 50 cavity through the water pipe 61. Before the device is used, the water in the water tank 60 cavity needs to be manually filled with water from the top of the water tank 60. When the water is added to the water tank 60, the water will flow into the water tank 60 cavity through the gap between the water inlet plate 62 and the cavity along the top of the water inlet plate 62. When the required amount of water is sufficient, the bottom of the water control rod 64 can cover the top of the water pipe 61. When the rotating shaft 51 rotates, the stirring rod 52 and the scraping rod 53 will be driven to rotate at the same time. When the stirring rod 52 rotates, it will stir the fertilizer in the mixing tube 50 cavity to mix it. , the scraper rod 53 will scrape off the fertilizer attached to the inner wall of the mixing tube 50 when it rotates, and a motor capable of driving the discharging plate 23 to rotate is fixedly installed on the wall of the bottom shaft 22, and the motor driving the discharging plate 23 to rotate is electrically connected to the corresponding power supply, and when the device moves to the desired fertilization location, the motor driving the discharging plate 23 to rotate is turned on, and at this time, the discharging plate 23 will no longer block the bottom of the cart 20 when it rotates, and the fertilizer in the mixing tube 50 cavity will flow out from the bottom of the cart 20. If it is necessary to stop fertilization, the motor driving the discharging plate 23 to rotate can be used to block the bottom of the cart 20;

[0028] In summary, by setting up a mixing structure, it is more convenient to add water to the fertilizer for mixing when using it, because the mixing structure can store fertilizer and water and mix them when needed, and this process only requires manual addition when there is no fertilizer and water in the device, and the remaining steps do not require manual mixing and adding. Therefore, compared with the prior art, this solution is more convenient when water needs to be added.

[0029] like Figure 1 , Figure 2 and Figure 3As shown, the partition 31 can divide the fertilizer bin 30 into two independent hollow cavities, the symmetrical top plate 32 can cover the opening of the fertilizer bin 30, the flow tube 40 is in a hollow tube shape, the flow tube 40 is symmetrically fixedly connected to the bottom of the fertilizer bin 30, the rotating motor 41 is fixedly connected between the symmetrical flow tubes 40, the cavity of the flow tube 40 can be connected to the fertilizer bin 30, the symmetrical flow tubes 40 are respectively connected to the two independent hollow cavities of the fertilizer bin 30, and the bottom of the flow tube 40 is fixedly connected and connected to the mixing pipe 50;

[0030] In specific use, the walls of both sides of the fertilizer bin 30 are made of transparent glass, and a part of the rear wall of the water tank 60 is also made of transparent glass. The amount of fertilizer in the fertilizer bin 30 cavity can be observed through the glass, and the water level in the water tank 60 cavity can also be seen through the glass;

[0031] In summary, by setting up this solution with a compact structure but complete functions, it is lighter and more convenient to use, and the solution has a simple structure and is more convenient and simple to repair and maintain.

[0032] Working principle: The top plate 32 is rotated on the top of the fertilizer bin 30, and the top of the fertilizer bin 30 is in an open state. At this time, the organic fertilizer and the inorganic fertilizer are respectively poured into the corresponding cavities of the fertilizer bin 30. At this time, the fertilizers are accumulated and stored in the cavities of the fertilizer bin 30 and the flow tube 40. When the fertilizers need to be mixed, the discharge plate 42 is controlled by the motor on the wall of the discharge plate 42 to rotate. When the discharge plate 42 rotates, the bottom of the flow tube 40 is in an open state, and the fertilizers in the cavity of the flow tube 40 are stored. The fertilizer will flow from the bottom of the flow tube 40 to the mixing tube 50 cavity. When the fertilizer enters the mixing tube 50 cavity, the power of the rotating motor 41 is turned on, and the rotating motor 41 can drive the rotating shaft 51 to rotate. When the fertilizer enters the mixing tube 50 cavity, if water needs to be mixed into the mixing tube 50 cavity at this time, it is necessary to manually pull the water control rod 64 so that the bottom of the water control rod 64 no longer blocks the top of the water pipe 61. At this time, the water in the water tank 60 cavity will enter the mixing tube 50 cavity along the water pipe 61 for mixing. Before using the device, the water tank 60 cavity needs to be manually filled with water from the top of the water tank 60. When adding water to the water tank 60, the water will slide along the top of the water inlet plate 62 to the cavity of the water tank 60 and the gap between the water inlet plate 62 and flow into the cavity of the water tank 60. After the required amount of water is sufficient, the bottom of the water control rod 64 can cover the top of the water pipe 61. When the rotating shaft 51 rotates, it will drive the stirring rod 52 and the scraping rod 53 to rotate at the same time. When the stirring rod 52 rotates, it will stir the fertilizer in the cavity of the mixing tube 50 The scraper 53 will scrape off the fertilizer attached to the inner wall of the mixing tube 50 when it rotates. A motor that can drive the discharge plate 23 to rotate is fixedly installed on the wall of the bottom shaft 22. The motor that drives the discharge plate 23 to rotate is electrically connected to the corresponding power supply. When the device moves to the required fertilization location, the motor that drives the discharge plate 23 to rotate is turned on. At this time, the discharge plate 23 no longer blocks the bottom of the cart 20 when it rotates, and the fertilizer in the mixing tube 50 cavity will flow out from the bottom of the cart 20.

[0033] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A device for fertilizing organic fertilizer and inorganic fertilizer in proportion, comprising a cart (20), a battery (21) being fixedly connected to the top of the cart (20), characterized in that: The top of the cart (20) is provided with a mixing structure, which comprises a fertilizer bin (30), a mixing pipe (50) and a water tank (60). The mixing pipe (50) is fixedly connected to the top of the cart (20), the fertilizer bin (30) is fixedly connected to the top of the mixing pipe (50), and the water tank (60) is fixedly connected to the rear wall of the fertilizer bin (30). The mixing pipe (50) is in a hollow cylindrical shape, the cavity of the fertilizer bin (30) is hollow, the mixing pipe (50) and the cavity of the fertilizer bin (30) are connected, and the mixing structure can mix organic fertilizer and inorganic fertilizer. The water tank (60) is fixedly connected to the rear wall of the fertilizer bin (30). (60) is in a hollow rectangular shape, the top wall of the fertilizer bin (30) is in a capsule shape, and the cavity of the water tank (60) can also be connected to the cavity of the mixing pipe (50); the mixing structure also includes a partition (31), a top plate (32), a flow pipe (40) and a rotating motor (41), the partition (31) is fixedly connected to the cavity of the fertilizer bin (30), the top plate (32) is symmetrically rotatably connected to the top of the fertilizer bin (30), the flow pipe (40) is fixedly connected to the bottom of the fertilizer bin (30), and the rotating motor (41) is fixedly connected to the wall of the flow pipe (40).

2. The device for fertilizing organic fertilizer and inorganic fertilizer in proportion according to claim 1, characterized in that: The partition (31) can divide the fertilizer bin (30) into two independent hollow cavities, the symmetrical top plate (32) can cover the opening of the fertilizer bin (30), the flow tube (40) is in a hollow tube shape, the flow tube (40) is symmetrically fixedly connected to the bottom of the fertilizer bin (30), the rotating motor (41) is fixedly connected between the symmetrical flow tubes (40), the cavity of the flow tube (40) can be connected to the fertilizer bin (30), the symmetrical flow tubes (40) are respectively connected to the two independent hollow cavities of the fertilizer bin (30), and the bottom of the flow tube (40) is fixedly connected and connected to the mixing tube (50).

3. The device for fertilizing organic fertilizer and inorganic fertilizer in proportion according to claim 1, characterized in that: The mixing structure further comprises a discharge plate (42), a rotating shaft (51), a stirring rod (52) and a scraping rod (53); the discharge plate (42) is rotatably connected to the bottom of the flow tube (40); the rotating shaft (51) is rotatably connected to the cavity of the mixing tube (50); the stirring rod (52) is fixedly connected to the wall surface of the rotating shaft (51); and the scraping rod (53) is fixedly connected to the wall surface of the stirring rod (52).

4. The device for fertilizing organic fertilizer and inorganic fertilizer in proportion according to claim 3, characterized in that: The bottom of the rotating motor (41) can pass through the wall of the flow tube (40) and be fixedly connected to the top of the rotating shaft (51); the position and number of the discharge plates (42) correspond to the flow tube (40); the discharge plates (42) can shield the bottom of the flow tube (40) in the mixing tube (50); the top section of the scraper rod (53) is an isosceles triangle; the scraper rod (53) can contact the inner wall of the mixing tube (50); and the wall contacted by the scraper rod (53) and the mixing tube (50) is arc-shaped.

5. The device for fertilizing organic fertilizer and inorganic fertilizer in proportion according to claim 3, characterized in that: The mixing structure further comprises a water pipe (61), a water inlet plate (62), a movable groove (63) and a water control rod (64); the water pipe (61) is fixedly connected to the bottom of the water tank (60); the water inlet plate (62) is fixedly connected to the top of the water tank (60); the movable groove (63) is provided on the wall surface of the water inlet plate (62); the water control rod (64) is slidably connected in the cavity of the water tank (60); the water pipe (61) is in a hollow L-shaped tube; the water pipe (61) is fixedly connected to the bottom of the water tank (60); the water inlet plate (62) is fixedly connected to the top of the water tank (60); the movable groove (63) is provided on the wall surface of the water inlet plate (62); the water control rod (64) is slidably connected in the cavity of the water tank (60); the water pipe (61) is in a hollow L The bottom of the water pipe (61) can be connected to the cavity of the mixing pipe (50), the top of the water pipe (61) can be connected to the cavity of the water tank (60), the bottom of the water control rod (64) can block the opening connecting the bottom of the cavity of the water tank (60) and the water pipe (61), the water control rod (64) can slide in the active groove (63), the top of the water inlet plate (62) is sloped, and there is a gap between the side wall surface of the water inlet plate (62) and the cavity of the water tank (60).

6. The device for fertilizing organic fertilizer and inorganic fertilizer in proportion according to claim 4, characterized in that: The bottom of the trolley (20) is fixedly connected to a bottom shaft (22), and a discharge plate (23) is rotatably connected to the wall surface of the bottom shaft (22). A circular hole is penetrated through the bottom of the trolley (20), and the circular hole at the bottom of the trolley (20) is connected to the cavity of the mixing tube (50), and the top of the discharge plate (23) can cover the circular hole at the bottom of the trolley (20).

Citation Information

Patent Citations

  • Fertilizer applicator for organic fertilizer and inorganic fertilizer in proportion in dry land

    CN220000006U