Root applicator for pasture grasses

Abstract

The application belongs to the technical field of pasture root fertilizer applicator, and relates to a pasture root fertilizer applicator, which comprises a backpack type material box, a discharging pipeline, a material distributing cylinder, a fertilizer pipeline, a shaft rod, a U-shaped handle and a ring-shaped handle. Two material distributing cavities are formed in the material distributing cylinder in an up-down distribution mode. A top and a bottom sidewall of each material distributing cavity are provided with an inlet and outlet port and a joint. Four valve plates for plugging the four inlet and outlet ports are arranged on the inner sidewall of the material distributing cylinder. Each valve plate is fixed on the shaft rod through a first connecting piece. The upper outer sidewall of the shaft rod is provided with a limiting plate and is sleeved with an upper spring. The fertilizer applicator can be used for manual fertilization. The U-shaped handle can be held by hand to move the bottom end outlet of the fertilizer pipeline close to the roots of the pasture. The opening and closing of each valve plate can be controlled by moving the shaft rod up and down. The two material distributing cavities are used for alternate fertilization. The arm does not need to be repeatedly raised during the fertilization process, the arm fatigue can be reduced, the fertilization can be carried out while walking, the time for holding the fertilizer by hand can be saved, and the fertilization efficiency can be improved.

Description

Technical Field

[0001] This invention belongs to the technical field of forage root fertilizer applicators, and relates to a forage root fertilizer applicator. Background Technology

[0002] Fertilization of forage grass is an important measure to ensure healthy growth and increase yield. The main methods of forage grass fertilization are mechanized fertilization and manual fertilization. For flat planting sites such as plains, where the planting scale is usually large, mechanized fertilization is more efficient. However, for uneven planting sites such as plateaus, hills, and mountains, where the planting scale is usually small, mechanized fertilization is difficult to implement, and manual fertilization is commonly used. When fertilizing manually, fertilizer is placed in a basin or bucket. One hand holds the basin (or bucket), and the other hand grabs a handful of fertilizer from the basin (or bucket) and throws it to the roots of the forage grass. This often requires repeatedly bending over and hunching over to throw the fertilizer.

[0003] The above-mentioned methods of artificial fertilization of forage grass have the following drawbacks: carrying basins or buckets can easily cause arm soreness, repeatedly grabbing and scattering fertilizer can also easily cause arm soreness, grabbing fertilizer by hand can cause fertilizer to corrode the skin of the hands, and the amount of fertilizer grabbed each time can lead to uneven fertilization, resulting in low efficiency of artificial fertilization. Summary of the Invention

[0004] The purpose of this invention is to provide a forage root fertilizer applicator, which is a manually carried applicator that uses pipelines to deliver fertilizer, in order to solve the technical problems mentioned in the background art.

[0005] This invention is achieved through the following technical solution:

[0006] A forage root fertilizer applicator includes a backpack feed box, a feed pipe, a feed distribution cylinder, and a fertilizer application pipe;

[0007] Backpack-style fertilizer containers are used to hold fertilizer. Fertilizer workers can carry the containers on their backs. This method of carrying the fertilizer on their backs distributes the weight of the fertilizer onto their backs and shoulders, which helps reduce fatigue compared to carrying basins or buckets by hand.

[0008] The distributing cylinder is a hollow cylindrical structure sealed at both ends. It has two distributing chambers distributed vertically inside. Each distributing chamber has inlet and outlet ports on its top and bottom side walls. The outer side walls of the inlet and outlet ports are equipped with connectors. The connectors on the top side walls of each distributing chamber are connected to the bottom of the backpack material box through a discharge pipe, so that the fertilizer contained in the backpack material box can slide into the distributing chamber through the discharge pipe. The connectors on the bottom side walls of each distributing chamber are connected to a fertilizer application pipe, so that the fertilizer in the distributing chamber can slide into the fertilizer application pipe to fertilize the roots of the pasture.

[0009] The inner wall of the material distribution cylinder is provided with four valve plates for blocking the four inlet and outlet ports respectively. A shaft is installed inside the material distribution cylinder. Each valve plate is fixed to the shaft by a first connecting piece. By moving the shaft axially, each valve plate can be moved inside the material distribution cylinder to control the opening and closing of each inlet and outlet port, so that the two material distribution chambers alternately feed and discharge. Specifically, the inlet and outlet ports on the top sidewalls of the two material distribution chambers alternately open and close, the inlet and outlet ports on the bottom sidewalls of the two material distribution chambers alternately open and close, and the inlet and outlet ports on the top and bottom sidewalls of each material distribution chamber alternately open and close.

[0010] The top of the distributing cylinder is equipped with a U-shaped handle, and the inner side of the U-shaped handle is equipped with a ring handle. The top of the shaft passes through the distributing cylinder and is fixedly connected to the ring handle. A limiting plate located inside the distributing cylinder is provided on the upper outer wall of the shaft. An upper spring is fitted on the upper part of the shaft, and the two ends of the upper spring abut against the top of the distributing cylinder and the limiting plate, respectively. The fertilizer applicator holds the U-shaped handle with the web of one hand and hooks the ring handle with his fingers. Pulling the ring handle with his fingers can make the shaft move upward. After releasing his fingers, the shaft moves downward under the rebound force of the upper spring. The ring handle can also be pushed with his fingers to assist the shaft in moving downward. By controlling the shaft to move up and down, the valve plates are opened and closed, so that the two distributing chambers alternately feed and discharge. Holding the U-shaped handle with his hand can bring the bottom outlet of the fertilizer pipe closer to the roots of the grass. During the fertilization process, there is no need to repeatedly raise the arm, which can reduce arm fatigue. The fertilizer applicator can fertilize while walking, saving the time of grabbing fertilizer by hand and improving fertilization efficiency.

[0011] Further specifying, the backpack material box includes a box body, a feeding port on the top of the box body and a removable top cover, a funnel-shaped partition at the bottom of the box body, and a discharge port at the bottom of the funnel-shaped partition. The above structure facilitates the fertilizer in the box body to slide down to the discharge port. An installation hole is opened at the bottom of the box body, and one end of the feeding pipe passes through the installation hole and is detachably connected to the discharge port at the bottom of the funnel-shaped partition. The installation hole facilitates the disassembly and assembly of the feeding pipe. Two shoulder straps are provided on the side wall of the box body for fertilizer applicators to carry the backpack material box.

[0012] Further specifying, the feeding pipe consists of a feeding Y-pipe and a plastic hose. Two of the feeding Y-pipe's ports are detachably connected to the joints on the top sidewalls of the two dispensing chambers, and its other port is connected to one end of the plastic hose. The other end of the plastic hose is connected to the inner bottom of the backpack-type material box. Specifically, the feeding Y-pipe is a rigid plastic pipe to prevent it from bending and obstructing fertilizer from entering the dispensing chamber. The plastic hose is a PVC corrugated hose to prevent folding and deformation and has flexibility to adapt to the distance of the dispensing cylinder controlled by the fertilizer applicator.

[0013] Further specifying, the fertilization pipeline includes a fertilization Y-tube and a fertilization rigid tube. Two of the interfaces of the fertilization Y-tube are detachably connected to the joints on the bottom sidewalls of the two dispensing chambers, and the other interface is connected to one end of the fertilization rigid tube. Specifically, the fertilization Y-tube is a rigid plastic tube, which can prevent it from bending and thus prevent fertilizer from sliding out of the dispensing chamber. The fertilization rigid tube is also a rigid plastic tube. The fertilization worker can hold the U-shaped handle to extend the lower end of the fertilization rigid tube to the roots of the grass to apply fertilizer to the roots of the grass. Fertilization can be operated with one hand or alternately with two hands.

[0014] Furthermore, the fertilization pipeline also includes a universal bamboo joint tube, which connects the fertilization Y-tube and the fertilization rigid tube. The bending of the universal bamboo joint tube can be manually adjusted to adjust the inclination of the fertilization rigid tube. The height of the lower end of the fertilization rigid tube can be adjusted according to the height of the fertilizer, so that the lower end of the fertilization rigid tube can be close to the roots of the pasture for fertilization.

[0015] Furthermore, the lower end of the fertilizer application tube is a reducing pipe, with the diameter at the lower outlet being smaller than the diameter at the top of the fertilizer application tube. This reduces the speed at which fertilizer slides out of the tube, allowing fertilizer workers to apply fertilizer while moving around, and adjust the fertilizer application position near the roots of the same patch of grass.

[0016] Further, the interior of the dispensing cylinder is provided with four inclined baffles spaced axially. The upper two inclined baffles form an upper dispensing chamber, and the lower two inclined baffles form a lower dispensing chamber. The right side wall of the inclined baffle at the top of the upper dispensing chamber has a clearance groove for the valve plate to slide, and the left side wall of the inclined baffle at the bottom of the upper dispensing chamber has a clearance groove for the valve plate to slide. Each inclined baffle has a through hole for the shaft to pass through. The inclined baffle at the bottom of the dispensing chamber facilitates the sliding out of the fertilizer in the dispensing chamber. In addition, the inclined baffle at the top of the dispensing chamber can also be a horizontal baffle.

[0017] Further defining the material distribution cylinder, it comprises, from top to bottom, an upper cylinder cover, an upper annular plate, an upper cylinder body, a middle annular plate, a lower cylinder body, a lower annular plate, and a lower cylinder cover. The upper and lower adjacent components of the material distribution cylinder are detachably connected by bolts, making the material distribution cylinder an assembled structure that is easy to disassemble and clean. The inclined partition at the top of the upper material distribution chamber is fixedly connected to the upper annular plate by a second connecting member, allowing it to be disassembled and reassembled as a whole with the upper annular plate. The inclined partition at the bottom of the upper material distribution chamber and the inclined partition at the top of the lower material distribution chamber are located on the upper and lower sides of the middle annular plate, respectively, and are both fixedly connected to the middle annular plate by second connecting members, allowing them to be disassembled and reassembled as a whole with the middle annular plate. The inclined partition at the bottom of the lower material distribution chamber is fixedly connected to the lower annular plate by a second connecting member, allowing it to be disassembled and reassembled as a whole with the lower annular plate.

[0018] Furthermore, a connecting ring is provided between the first connecting member and the shaft. One end of the first connecting member is welded to the connecting ring, and the connecting ring is fitted onto the shaft. The connecting ring and the shaft are detachably connected by bolts, which facilitates disassembly and assembly.

[0019] Further, the bottom end of the shaft is threadedly connected to a limiting plate located inside the distribution cylinder, and a lower spring is fitted on the lower part of the shaft. The two ends of the lower spring abut against the inclined partition at the bottom of the lower distribution chamber and the limiting plate at the bottom end of the shaft, respectively. In the initial state, the lower spring is slightly compressed. When the fertilizer worker hooks his finger onto the ring handle and pulls the shaft upward, both the upper and lower springs are further compressed. After releasing his finger, the shaft can be driven downward by the rebound force of the upper and lower springs. The shaft is driven to reset by the two springs at the upper and lower ends of the shaft. The rebound force is greater, which makes the shaft reset more stable and reliable.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] This fertilizer applicator can be used for manual fertilization. The fertilizer carrier can carry the fertilizer box on their back, distributing the weight of the fertilizer across their back and shoulders, reducing fatigue compared to carrying a basin or bucket by hand. When using it, one hand is used to hold the U-shaped handle with the web of the thumb and index finger, and the fingers hook onto the ring handle. Initially, the upper spring is slightly compressed, the inlet and outlet ports on the bottom side wall of the lower dispensing chamber are blocked by valve plates, and the inlet and outlet ports on the top side wall are open, filling the lower dispensing chamber with fertilizer. Pulling the ring handle with the fingers brings it closer to the U-shaped handle, causing the shaft to rise. This further compresses the upper spring, causing the valve plates to move upwards, opening the inlet and outlet ports on the bottom side wall of the lower dispensing chamber and blocking the inlet and outlet ports on the top side wall, filling the lower dispensing chamber with fertilizer. Fertilizer slides into the fertilization pipe to fertilize the roots of the grass. At the same time, the inlet and outlet on the top side wall of the upper distribution chamber opens, while the inlet and outlet on the bottom side wall are blocked by the valve plate. Fertilizer in the backpack hopper enters the upper distribution chamber for use. After the fertilizer in the lower distribution chamber is discharged, the fingers are released, and the shaft is driven downward by the rebound force of the upper spring. The ring handle can be pushed with the fingers to assist the shaft in moving downward, so that the two distribution chambers alternately feed and discharge fertilizer, thus alternating the fertilization. The amount of fertilizer that the two distribution chambers can hold is not much different, so the amount of fertilizer applied is not much different. Holding the U-shaped handle by hand can bring the bottom outlet of the fertilization pipe closer to the roots of the grass. There is no need to repeatedly raise the arm during the fertilization process, which can reduce arm fatigue. Fertilizer workers can walk and fertilize at the same time, saving the time of grabbing fertilizer by hand and improving fertilization efficiency. Attached Figure Description

[0022] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0023] Figure 1 This is a cross-sectional view of the fertilizer applicator of the present invention;

[0024] Figure 2 This is a cross-sectional view of the dispensing cylinder in the fertilizer applicator of the present invention;

[0025] Figure 3 for Figure 2 Schematic diagram of the structure after switching the material distribution chamber;

[0026] Figure 4 This is a three-dimensional structural diagram of the dispensing cylinder in the fertilizer applicator of the present invention;

[0027] Figure 5 This is an exploded structural diagram of the dispensing cylinder in the fertilizer applicator of the present invention.

[0028] Component names in the diagram: 1. Back-mounted material box; 1.1. Box body; 1.2. Funnel-shaped partition; 1.3. Mounting hole; 1.4. Shoulder strap; 2. Discharge pipe; 2.1. Discharge Y-tube; 3. Distribution cylinder; 3.1. Upper cylinder cover; 3.2. Upper annular plate; 3.3. Upper cylinder body; 3.4. Middle annular plate; 3.5. Lower cylinder body; 3.6. Lower annular plate; 3.7. Lower cylinder cover; 4. Fertilizer pipe; 4.1. Fertilizer Y-tube; 4.2. Universal bamboo joint tube; 4.3. Fertilizer rigid tube; 5. Distribution chamber; 6. Connector; 7. Inclined partition; 8. U-shaped handle; 9. Ring handle; 10. Shaft; 11. Upper spring; 12. Valve plate; 13. Limiting plate; 14. Lower spring; 15. First connecting piece; 16. Connecting ring; 17. Second connecting piece. Detailed Implementation

[0029] The embodiments of the technical solution of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the technical solution of the present invention and are therefore intended to limit the scope of protection of the present invention.

[0030] In the description of this application, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0031] A type of forage root fertilizer applicator, such as Figure 1 and Figure 2 As shown, it mainly consists of a backpack-type material box 1, a feeding pipe 2, a distributing cylinder 3, a fertilizer application pipe 4, a valve plate 12, a shaft 10, a U-shaped handle 8, and a ring handle 9.

[0032] In this embodiment, as Figure 1 As shown, the backpack material box 1 includes a box body 1.1. A funnel-shaped partition 1.2 is provided at the bottom of the inner part of the box body 1.1. A discharge port is provided at the bottom of the funnel-shaped partition 1.2. The above structure facilitates the fertilizer in the box body 1.1 to slide down to the discharge port. An installation hole 1.3 is provided at the bottom of the box body 1.1. One end of the feeding pipe 2 passes through the installation hole 1.3 and is detachably connected to the discharge port at the bottom of the funnel-shaped partition 1.2. The installation hole 1.3 facilitates the disassembly and assembly of the feeding pipe 2.

[0033] In addition, the top of the box 1.1 is provided with a feeding port and a removable top cover, which allows fertilizer to be easily added into the box 1.1 by opening the top cover; the side wall of the box 1.1 is provided with two shoulder straps 1.4 for fertilizer applicators to carry the backpack-type material box 1; the main structure of the backpack-type material box 1 is made of plastic, making it lightweight; the above-mentioned box 1.1, funnel-shaped partition 1.2, and shoulder straps 1.4 structure of the backpack-type material box 1 are known technologies and are disclosed in patents with publication numbers CN204090525U, CN110999609A, etc.

[0034] The backpack-type material box 1 is used to hold fertilizer. Fertilizer workers can carry the backpack-type material box 1 on their backs. The weight of the fertilizer is distributed on the back and shoulders, which helps to reduce fatigue compared to carrying basins or buckets by hand.

[0035] In this embodiment, as Figure 2 As shown, the distributing cylinder 3 is a hollow cylindrical structure with both ends sealed. Four inclined baffles 7 are arranged at intervals along its axial direction inside. The upper distributing cavity 5 is formed between the two inclined baffles 7 on the upper side, and the lower distributing cavity 5 is formed between the two inclined baffles 7 on the lower side. Two distributing cavities 5 are formed inside the distributing cylinder 3, which are distributed vertically. Each distributing cavity 5 has an inlet and outlet on its top and bottom side walls. The outer side wall of the inlet and outlet is provided with a connector 6. The connector 6 on the top side wall of each distributing cavity 5 is connected to the inner bottom of the backpack material box 1 through the discharge pipe 2, so that the fertilizer contained in the backpack material box 1 can slide into the distributing cavity 5 through the discharge pipe 2. The connector 6 on the bottom side wall of each distributing cavity 5 is connected to the fertilizer application pipe 4, so that the fertilizer in the distributing cavity 5 can slide into the fertilizer application pipe 4 to fertilize the roots of the pasture.

[0036] like Figure 2As shown, the inner wall of the distributing cylinder 3 is provided with four valve plates 12 for blocking the four inlet and outlet ports respectively. A shaft 10 is installed inside the distributing cylinder 3. Each valve plate 12 is fixed to the shaft 10 by a first connecting member 15. By axially moving the shaft 10, each valve plate 12 can be moved inside the distributing cylinder 3 to control the opening and closing of each inlet and outlet port, so that the two distributing chambers 5 alternately feed and discharge materials. Specifically, the inlet and outlet ports on the top sidewalls of the two distributing chambers 5 alternately open and close, the inlet and outlet ports on the bottom sidewalls of the two distributing chambers 5 alternately open and close, and the inlet and outlet ports on the top and bottom sidewalls of each distributing chamber 5 alternately open and close. The first connecting member 15 is a connecting plate or a connecting rod.

[0037] For example, such as Figure 2 As shown, when the inlet and outlet of the upper distribution chamber 5 is blocked by the valve plate 12 and the inlet and outlet of its bottom side wall is opened, the fertilizer in the upper distribution chamber 5 slides into the fertilizer pipe 4 to fertilize the roots of the grass. At this time, the inlet and outlet of the upper distribution chamber 5 is opened and the inlet and outlet of its bottom side wall is blocked by the valve plate 12. The fertilizer in the backpack feed box 1 slides into the lower distribution chamber 5 through the discharge pipe 2 until the lower distribution chamber 5 is full of fertilizer.

[0038] like Figure 2 As shown, the right side wall of the inclined partition 7 at the top of the upper distribution chamber 5 is provided with a clearance groove for the valve plate 12 to slide, and the left side wall of the inclined partition 7 at the bottom of the upper distribution chamber 5 is provided with a clearance groove for the valve plate 12 to slide. Each inclined partition 7 is provided with a through hole for the shaft 10 to pass through. The inclined partition 7 at the bottom of the distribution chamber 5 is inclined, which can facilitate the fertilizer to slide out of the distribution chamber 5. In addition, the inclined partition 7 at the top of the distribution chamber 5 can also be a horizontal partition.

[0039] In this embodiment, as Figure 1 and Figure 2 As shown, a U-shaped handle 8 is provided on the top of the dispensing cylinder 3, and an annular handle 9 is provided on the inner side of the U-shaped handle 8. The top end of the shaft 10 passes through the dispensing cylinder 3 and is threadedly connected to the annular handle 9. A limiting plate 13 located inside the dispensing cylinder 3 is provided on the upper outer wall of the shaft 10. An upper spring 11 is fitted on the upper part of the shaft 10, and the two ends of the upper spring 11 abut against the top of the dispensing cylinder 3 and the limiting plate 13, respectively.

[0040] like Figure 2 As shown, the bottom end of the shaft 10 is threadedly connected to a limiting plate 13 located inside the distributing cylinder 3, and a lower spring 14 is fitted on the lower part of the shaft 10. The two ends of the lower spring 14 abut against the inclined partition 7 at the bottom of the lower distributing cavity 5 and the limiting plate 13 at the bottom end of the shaft 10, respectively.

[0041] In this embodiment, as Figures 2 to 5As shown, the distributing cylinder 3 is composed of an upper cylinder cover 3.1, an upper annular plate 3.2, an upper cylinder body 3.3, a middle annular plate 3.4, a lower cylinder body 3.5, a lower annular plate 3.6, and a lower cylinder cover 3.7, arranged sequentially from top to bottom. The lower cylinder cover 3.1 has a bottom outer wall, the upper annular plate 3.2 has an outer wall, the upper cylinder body 3.3 has a top outer wall and a bottom outer wall, the middle annular plate 3.4 has an outer wall, the lower cylinder body 3.5 has a top outer wall and a bottom outer wall, and the lower annular plate 3.7 are also included. The outer side wall of 6 and the top outer side wall of the lower cylinder cover 3.7 are both welded or integrally formed with two ear plates symmetrical along the central axis. Each ear plate has a hole for inserting bolts. The upper cylinder cover 3.1, upper annular plate 3.2, upper cylinder 3.3, middle annular plate 3.4, lower cylinder 3.5, lower annular plate 3.6 and lower cylinder cover 3.7 are detachably connected by installing bolts on adjacent ear plates, so that the dispensing cylinder 3 is an assembly structure that can be easily disassembled and cleaned.

[0042] like Figure 2 and Figure 5 As shown, the inclined partition 7 at the top of the upper material distribution chamber 5 is fixedly connected to the upper annular plate 3.2 by a second connecting member 17, allowing it to be disassembled and assembled as a whole with the upper annular plate 3.2. The inclined partition 7 at the bottom of the upper material distribution chamber 5 and the inclined partition 7 at the top of the lower material distribution chamber 5 are located on the upper and lower sides of the middle annular plate 3.4 respectively, and are fixedly connected to the middle annular plate 3.4 by the second connecting member 17, allowing them to be disassembled and assembled as a whole with the middle annular plate 3.4. The inclined partition 7 at the bottom of the lower material distribution chamber 5 is fixedly connected to the lower annular plate 3.6 by a second connecting member 17, allowing it to be disassembled and assembled as a whole with the lower annular plate 3.6. The second connecting member 17 is a connecting plate or a connecting rod.

[0043] like Figure 2 and Figure 5 As shown, a connecting ring 16 is provided between the first connecting member 15 and the shaft 10. One end of the first connecting member 15 is welded to the connecting ring 16. The connecting ring 16 is fitted onto the shaft 10 and the connecting ring 16 and the shaft 10 are detachably connected by bolts, which facilitates disassembly and assembly. The distributing cylinder 3 and its internal structure can be disassembled for cleaning, which facilitates disassembly and assembly.

[0044] Specifically, all components of the dispensing cylinder 3, the valve plate 12, the inclined partition 7, the first connector 15, the U-shaped handle 8, and the ring handle 9 are made of plastic, making them lightweight.

[0045] In this embodiment, as Figure 1As shown, the feeding pipe 2 consists of a feeding Y-pipe 2.1 and a plastic hose. Two of the interfaces of the feeding Y-pipe 2.1 are detachably connected to the connectors 6 on the top side walls of the two dispensing chambers 5, and the other interface is connected to one end of the plastic hose. The other end of the plastic hose is connected to the inner bottom of the backpack material box 1. Specifically, the feeding Y-pipe 2.1 is a rigid plastic pipe to prevent it from bending and obstructing fertilizer from entering the dispensing chamber 5. The plastic hose is a PVC corrugated hose to prevent folding and deformation and has flexibility to adapt to the distance of the dispensing cylinder 3 controlled by the fertilizer applicator.

[0046] In this embodiment, as Figure 1 , Figure 4 and Figure 5 As shown, the fertilization pipe 4 consists of a fertilization Y-pipe 4.1, a universal bamboo joint pipe 4.2, and a fertilization rigid pipe 4.3. Two of the interfaces of the fertilization Y-pipe 4.1 are detachably connected to the joints 6 on the bottom side walls of the two distribution chambers 5, respectively. The other interface is adjacent to one end of the universal bamboo joint pipe 4.2, and the other end of the universal bamboo joint pipe 4.2 is connected to one end of the fertilization rigid pipe 4.3. The bending of the universal bamboo joint pipe 4.2 can be manually adjusted to adjust the inclination of the fertilization rigid pipe 4.3. The height of the lower end of the fertilization rigid pipe 4.3 can be adjusted according to the height of the fertilizer so that the lower end of the fertilization rigid pipe 4.3 can be close to the roots of the grass for fertilization.

[0047] like Figure 1 As shown, the lower end of the fertilizer application tube 4.3 is a reducing pipe, and the diameter of its lower end outlet is smaller than the diameter of the top end of the fertilizer application tube 4.3. This can reduce the sliding speed of fertilizer in the fertilizer application tube 4.3, which is beneficial for fertilizer workers to apply fertilizer while moving, and to adjust the fertilizer application position by moving around near the roots of the same patch of pasture.

[0048] Specifically, the fertilizer Y-tube 4.1 is a rigid plastic tube that prevents it from bending and obstructing the fertilizer from sliding out of the dispensing chamber 5. The universal bamboo tube 4.2 is made of nylon material, which can be bent by external force and maintain its shape after the force is released. The fertilizer rigid tube 4.3 is a rigid plastic tube. The fertilizer worker can hold the U-shaped handle 8 to extend the lower end of the fertilizer rigid tube 4.3 to the roots of the grass to apply fertilizer to the roots of the grass. Fertilizer can be operated with one hand and two hands can be used alternately to operate fertilizer.

[0049] The working principle of this embodiment:

[0050] The container 1.1 is filled with fertilizer. The fertilizer worker carries the container 1.1 on his back with a shoulder strap 1.4, holding the U-shaped handle 8 with the web of one hand and hooking the ring handle 9 with his fingers.

[0051] In the initial state, such as Figure 2As shown, both the upper spring 11 and the lower spring 14 are slightly compressed. The inlet and outlet ports on the bottom side wall of the lower distributing chamber 5 are blocked by the valve plate 12, while the inlet and outlet ports on the top side wall are open. The lower distributing chamber 5 is filled with fertilizer. During fertilization, the fertilizer worker pulls the ring handle 9 with his fingers, bringing the ring handle 9 closer to the U-shaped handle 8, thereby driving the shaft 10 to rise. The upper spring 11 and the lower spring 14 are further compressed, and each valve plate 12 moves upward with the shaft 10. Figure 3 As shown, the inlet and outlet ports on the bottom side wall of the lower dispensing chamber 5 are opened, while the inlet and outlet ports on its top side wall are blocked by the valve plate 12. Fertilizer in the lower dispensing chamber 5 slides into the fertilizer pipe 4 to fertilize the roots of the grass. Simultaneously, the inlet and outlet ports on the top side wall of the upper dispensing chamber 5 are opened, while the inlet and outlet ports on its bottom side wall are blocked by the valve plate 12. Fertilizer in the backpack feed hopper 1 enters the upper dispensing chamber 5 for use. After the fertilizer in the lower dispensing chamber 5 is discharged, releasing the finger allows the shaft 10 to move downwards under the restoring force of the upper spring 11 and lower spring 14. The ring handle 9 can be pushed with the finger to assist the shaft 10 in moving downwards, thus returning to its original position. Figure 2 The state shown;

[0052] By manually controlling the shaft 10 to move up and down repeatedly, the two distributing chambers 5 are alternately fed and discharged to perform alternating fertilization. Since the lower distributing chamber 5 has the space occupied by the valve plate 12, the first connecting piece 15 and the connecting ring 16, in order to make the capacity of the two distributing chambers 5 as similar as possible, the inlet and outlet of the top side wall of the upper distributing chamber 5 and the inclined partition 7 at its top can be moved down to reduce the size of the upper distributing chamber 5, so that the amount of fertilizer that the two distributing chambers can hold is not much different, which is conducive to balanced fertilization.

[0053] The shaft 10 is driven to reset by two springs at its upper and lower ends. The rebound force is greater, which makes the shaft 10 reset more stable and reliable. By holding the U-shaped handle 8, the bottom outlet of the fertilizer pipe 4 can be brought close to the roots of the grass. There is no need to repeatedly raise the arm during the fertilization process, which can reduce arm fatigue. Fertilizer workers can fertilize while walking, saving the time of grabbing fertilizer by hand and improving fertilization efficiency.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered within the scope of the claims and specification of the present invention.

Claims

1. A forage root fertilizer applicator, comprising a backpack feed hopper (1), characterized in that: It also includes a feeding pipe (2), a distribution cylinder (3), and a fertilizer application pipe (4); The material distribution cylinder (3) is a hollow cylindrical structure with both ends sealed. It has two material distribution chambers (5) distributed vertically inside. Each material distribution chamber (5) has an inlet and outlet on its top and bottom side walls. The outer side wall of the inlet and outlet is provided with a connector (6). The connector (6) on the top side wall of each material distribution chamber (5) is connected to the bottom of the backpack material box (1) through the discharge pipe (2). The connector (6) on the bottom side wall of each material distribution chamber (5) is connected to the fertilizer pipe (4). The inner wall of the material distribution cylinder (3) is provided with four valve plates (12) for sealing the four inlet and outlet ports respectively. A shaft (10) is installed inside the material distribution cylinder (3). Each valve plate (12) is fixed on the shaft (10) by a first connecting piece (15). By axially moving the shaft (10), each valve plate (12) can be moved in the material distribution cylinder (3) to control the opening and closing of each inlet and outlet port so that the two material distribution chambers (5) alternately feed and discharge. The inlet and outlet ports of the top sidewalls of the two material distribution chambers (5) alternately open and close, the inlet and outlet ports of the bottom sidewalls of the two material distribution chambers (5) alternately open and close, and the inlet and outlet ports of the top sidewalls and bottom sidewalls of each material distribution chamber (5) alternately open and close. The top of the distributing cylinder (3) is provided with a U-shaped handle (8), and the inner side of the U-shaped handle (8) is provided with a ring handle (9). The top end of the shaft (10) passes through the distributing cylinder (3) and is fixedly connected to the ring handle (9). The upper outer wall of the shaft (10) is provided with a limiting plate (13) located inside the distributing cylinder (3). The upper part of the shaft (10) is fitted with an upper spring (11), and the two ends of the upper spring (11) abut against the top of the distributing cylinder (3) and the limiting plate (13) respectively.

2. The forage root fertilizer applicator according to claim 1, characterized in that: The backpack-type material box (1) includes a box body (1.1), a funnel-shaped partition (1.2) is provided at the bottom of the box body (1.1), a discharge port is provided at the bottom of the funnel-shaped partition (1.2), and an installation hole (1.3) is provided at the bottom of the box body (1.1). One end of the material discharge pipe (2) passes through the installation hole (1.3) and is detachably connected to the discharge port at the bottom of the funnel-shaped partition (1.2).

3. The forage root fertilizer applicator according to claim 1, characterized in that: The discharge pipe (2) consists of a discharge Y-pipe (2.1) and a plastic hose. Two of the interfaces of the discharge Y-pipe (2.1) are detachably connected to the joints (6) on the top sidewalls of the two material distribution chambers (5), and the interface at the other end is connected to one end of the plastic hose. The other end of the plastic hose is connected to the inner bottom of the backpack material box (1).

4. The forage root fertilizer applicator according to claim 1, characterized in that: The fertilization pipe (4) includes a fertilization Y-pipe (4.1) and a fertilization rigid pipe (4.3). Two of the interfaces of the fertilization Y-pipe (4.1) are detachably connected to the joints (6) on the bottom sidewalls of the two distribution chambers (5), and the interface at the other end is connected to one end of the fertilization rigid pipe (4.3).

5. The forage root fertilizer applicator according to claim 4, characterized in that: The fertilization pipe (4) also includes a universal bamboo joint pipe (4.2), which is connected between the fertilization Y pipe (4.1) and the fertilization rigid pipe (4.3).

6. The forage root fertilizer applicator according to claim 4, characterized in that: The lower end of the fertilization tube (4.3) is a reducing pipe, and the diameter of its lower end outlet is smaller than the diameter of the top end of the fertilization tube (4.3).

7. The forage root fertilizer applicator according to claim 1, characterized in that: The material distribution cylinder (3) has four inclined baffles (7) spaced apart along its axial direction. The upper material distribution chamber (5) is formed between the two inclined baffles (7) on the upper side, and the lower material distribution chamber (5) is formed between the two inclined baffles (7) on the lower side. The right side wall of the inclined baffle (7) at the top of the upper material distribution chamber (5) is provided with a relief groove for the valve plate (12) to slide. The left side wall of the inclined baffle (7) at the bottom of the upper material distribution chamber (5) is provided with a relief groove for the valve plate (12) to slide.

8. The forage root fertilizer applicator according to claim 7, characterized in that: The distributing cylinder (3) is composed of an upper cylinder cover (3.1), an upper annular plate (3.2), an upper cylinder body (3.3), a middle annular plate (3.4), a lower cylinder body (3.5), a lower annular plate (3.6), and a lower cylinder cover (3.7) arranged sequentially from top to bottom. The upper and lower adjacent components of the distributing cylinder (3) are detachably connected by bolts. The inclined partition (7) at the top of the upper distributing chamber (5) is fixedly connected to the upper annular plate (3.2) by a second connecting piece (17). The inclined partition (7) at the bottom of the upper distributing chamber (5) and the inclined partition (7) at the top of the lower distributing chamber (5) are located on the upper and lower sides of the middle annular plate (3.4) respectively and are fixedly connected to the middle annular plate (3.4) by a second connecting piece (17). The inclined partition (7) at the bottom of the lower distributing chamber (5) is fixedly connected to the lower annular plate (3.6) by a second connecting piece (17).

9. The forage root fertilizer applicator according to claim 8, characterized in that: A connecting ring (16) is provided between the first connecting member (15) and the shaft (10). One end of the first connecting member (15) is welded to the connecting ring (16). The connecting ring (16) is fitted onto the shaft (10) and the connecting ring (16) and the shaft (10) are detachably connected by bolts.

10. The forage root fertilizer applicator according to claim 8, characterized in that: The bottom end of the shaft (10) is threadedly connected to a limiting plate (13) located inside the material distribution cylinder (3). A lower spring (14) is fitted on the lower part of the shaft (10). The two ends of the lower spring (14) abut against the inclined partition (7) at the bottom of the lower material distribution cavity (5) and the limiting plate (13) at the bottom end of the shaft (10), respectively.

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