A pesticide spraying device for pear trees

By designing a spraying device that includes a storage box, a rotating frame, and a motor drive, the problems of low efficiency and inability to spray high places in existing spraying devices are solved, achieving efficient and uniform spraying effect and convenient storage.

CN224482723UActive Publication Date: 2026-07-14JINZHAI COUNTY HEIGOUYAN ECOLOGICAL AGRICULTURE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JINZHAI COUNTY HEIGOUYAN ECOLOGICAL AGRICULTURE CO LTD
Filing Date
2025-06-18
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Most existing spraying devices dissolve the pesticide in a sprayer, which is then carried by the grower on their back and sprayed while walking around. This results in low spraying efficiency and an inability to spray the pesticide on higher parts of the pear trees.

Method used

A spraying device was designed, comprising a storage box, a rotating frame, an internally threaded tube, an externally threaded tube, a spraying tube, and a motor. The motor drives the externally threaded tube to rotate, and the threaded connection drives the internally threaded tube and the spraying tube to rise, fall, and expand. Combined with a water pump and a stirring rod, the pesticide solution is transported and mixed, ensuring that the pesticide solution is evenly sprayed to all parts of the pear tree.

Benefits of technology

It enables efficient spraying of pesticide solution to high places on pear trees, improving spraying efficiency. Its small size makes it easy to store when not in use, ensuring uniform mixing of the pesticide solution and improving the spraying effect.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to pear tree planting technical field, especially disclose a kind of pesticide spraying device for pear tree planting, including storage tank, rotating installation is rotated on the storage tank, sliding installation is rotated on the rotating frame inner thread pipe, fixed installation is rotated on the inner thread pipe U-shaped frame, symmetrical rotating installation is rotated on the U-shaped frame pesticide spraying pipe, rotating installation is rotated on the rotating frame outer thread pipe, the outer thread pipe and inner thread pipe are threadedly connected, sliding installation is rotated in the outer thread pipe T-shaped rod, the top end of T-shaped rod and the top end of pesticide spraying pipe sliding connection, evenly fixed installation is rotated on the pesticide spraying pipe nozzle;First motor starts by first gear set drive outer thread pipe counterclockwise rotation, pesticide spraying pipe not only height increases, but also expands to both sides, water pump starts and will be stored in the inside of storage tank medicine water along conduit delivery to pesticide spraying pipe, again by the nozzle evenly installed on pesticide spraying pipe to the blade of pear tree, reached the effect that medicine can be sprayed to the higher place of pear tree.
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Description

Technical Field

[0001] This utility model relates to the field of pear tree planting technology, and in particular to a spraying device for pear tree planting. Background Technology

[0002] In pear tree cultivation, precise and efficient spraying is crucial for effectively controlling pests and diseases and ensuring healthy growth and fruit yield and quality. In practical applications, a high-performance spraying device for pear tree cultivation typically requires the following technologies:

[0003] 1. Spraying mechanism: Different types of nozzles such as high-pressure nozzles, fan nozzles or mist nozzles are used in conjunction with spraying rods to evenly spray pesticides onto pear trees;

[0004] 2. Power mechanism: The engine or electric water pump provides power for spraying, driving the nozzles to carry out large-area, high-intensity spraying operations;

[0005] 3. Pesticide mixing and delivery technology: The pesticide and water are mixed evenly in proportion by a stirring device to ensure consistent concentration and achieve the best control effect. Then, the mixed pesticide is delivered to each nozzle through a pipeline system.

[0006] Most existing spraying devices dissolve the pesticide in a sprayer, which is then carried by the grower on their back and sprayed while walking. However, this method is not only inefficient, but also fails to spray the pesticide onto the higher parts of the pear trees. Utility Model Content

[0007] To address the shortcomings of existing technologies, this utility model provides a spraying device for pear tree planting, which solves the technical problem that most existing spraying devices dissolve the pesticide in a sprayer, and the planter carries the sprayer on his back and holds the sprayer while walking and spraying the pesticide. However, this method is not only inefficient, but also cannot spray the pesticide to higher parts of the pear tree.

[0008] To achieve the above objectives, this utility model provides the following technical solution:

[0009] A spraying device for pear tree planting includes a storage box, a rotating frame rotatably mounted on the storage box, an internally threaded tube slidably mounted on the rotating frame, a U-shaped frame fixedly mounted on the internally threaded tube, spraying pipes symmetrically rotatably mounted on the U-shaped frame, an externally threaded tube rotatably mounted on the rotating frame, the externally threaded tube and the internally threaded tube being threadedly connected, a T-shaped rod slidably mounted in the externally threaded tube, the top end of the T-shaped rod being slidably connected to the top end of the spraying pipe, nozzles evenly fixedly mounted on the spraying pipe, a first motor fixedly mounted on the rotating frame, a first gear set installed between the output shaft of the first motor and the externally threaded tube, and pins symmetrically mounted on the storage box.

[0010] Preferably, a guide tube is fixedly installed on the spray pipe.

[0011] Preferably, a water pump is fixedly installed at the end of the conduit, and the water pump is located inside the storage tank.

[0012] Preferably, the storage tank has a stirring rod symmetrically mounted inside for rotation.

[0013] Preferably, a second gear set is installed between the two stirring rods.

[0014] Preferably, a second motor is fixedly installed on the storage box.

[0015] Preferably, a third gear set is installed between the output shaft of the second motor and the stirring rod.

[0016] Preferably, a trolley is fixedly installed at the bottom of the storage box.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. When using, pull out the two pins, rotate the rotating frame 90 degrees, and then insert the rotating frame back in to make the internal threaded tube stand upright. Then, start the first motor and drive the external threaded tube to rotate counterclockwise through the first gear set. Figure 5 (From a certain perspective), because the external and internal threaded pipes are connected by threads, the internal threaded pipe will be pushed to slide upwards. The internal threaded pipe will drive the spraying pipe and the T-shaped rod to slide upwards synchronously. When the T-shaped rod slides to its limit position, it will be blocked by the external threaded pipe and stop sliding. The internal threaded pipe will drive the spraying pipe to continue sliding. Because the top of the spraying pipe and the top of the T-shaped rod are rotatably connected, the spraying pipe will be rotated and unfolded. At this time, the spraying pipe not only increases in height, but also unfolds to both sides. The water pump will start and transport the pesticide inside the storage tank to the spraying pipe through the conduit. Then, the nozzles evenly installed on the spraying pipe will spray the pesticide onto the leaves of the pear tree, achieving the effect of spraying the pesticide to a higher part of the pear tree.

[0019] 2. When not in use, the equipment is in a folded-back state, its small size making it easy to store. Before use, pour the various medicines into the storage tank according to the proportions, then start the second motor. The second motor will drive the outer stirring rod to rotate through the third gear set. Figure 4 (From a certain perspective), the outer stirring rod will drive the inner stirring rod to rotate relative to it through the second gear set, so as to stir and mix the various medicines inside the storage tank evenly. Attached Figure Description

[0020] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0021] Figure 1 This is a diagram of the storage structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the unfolded structure of this utility model;

[0023] Figure 3 This is a cross-sectional view of the externally threaded pipe of this utility model;

[0024] Figure 4 This is a cross-sectional structural diagram of the storage box of this utility model;

[0025] Figure 5 This is a cross-sectional view of the internally threaded pipe of this utility model;

[0026] Figure 6 This is a structural diagram of the present invention.

[0027] Legend: 1. Storage box; 2. Rotating frame; 3. Internally threaded pipe; 4. U-shaped frame; 5. Spraying pipe; 6. Externally threaded pipe; 7. T-shaped rod; 8. Nozzle; 9. First motor; 11. First gear set; 12. Pin; 13. Guide tube; 14. Water pump; 15. Stirring rod; 16. Second gear set; 17. Second motor; 18. Third gear set; 19. Trolley. Detailed Implementation

[0028] This application provides a spraying device for pear tree planting, effectively solving the technical problem that most existing spraying devices dissolve the pesticide in a sprayer, which is then carried by the grower on their back and held by the sprayer while walking and spraying. However, this method is not only inefficient but also fails to spray the pesticide to higher parts of the pear tree. In use, the two pins are pulled out, the rotating frame is rotated 90 degrees, and then the rotating frame is inserted back in, making the internal threaded tube stand upright. Then, the first motor starts and drives the external threaded tube to rotate counterclockwise through the first gear set. Figure 5(From a perspective) Because the external and internal threaded tubes are connected by threads, the internal threaded tube will be pushed upwards. The internal threaded tube will then drive the spraying tube and T-shaped rod to slide upwards synchronously. When the T-shaped rod slides to its limit, it will be blocked by the external threaded tube and stop sliding. The internal threaded tube will then drive the spraying tube to continue sliding. Because the top of the spraying tube and the top of the T-shaped rod are rotatably connected, the spraying tube will rotate and unfold. At this time, the spraying tube not only increases in height but also unfolds to both sides. The water pump will start and transport the pesticide solution inside the storage tank along the guide tube to the spraying tube. Then, the nozzles evenly installed on the spraying tube will spray the pesticide onto the leaves of the pear tree, achieving the effect of spraying the pesticide onto a higher part of the pear tree. When not in use, the equipment is in a storage state. Its small size makes it easy to store. Before use, pour the various pesticide solutions into the storage tank according to the ratio. Then, start the second motor. The second motor will drive the outer stirring rod to rotate through the third gear set. Figure 4 (From a certain perspective), the outer stirring rod will drive the inner stirring rod to rotate relative to it through the second gear set, so as to stir and mix the various medicines inside the storage tank evenly.

[0029] Example

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the technical solution in this application embodiment effectively solves the technical problem that most existing spraying devices dissolve the pesticide in a sprayer, which is carried by the grower on their back and held by the sprayer while walking and spraying the pesticide. However, this method is not only inefficient, but also cannot spray the pesticide to the higher parts of the pear trees. The overall idea is as follows:

[0031] To address the problems existing in the prior art, this utility model provides a spraying device for pear tree planting, including a storage box 1, a rotating frame 2 rotatably mounted on the storage box 1, an internally threaded pipe 3 slidably mounted on the rotating frame 2, a U-shaped frame 4 fixedly mounted on the internally threaded pipe 3, spraying pipes 5 symmetrically rotatably mounted on the U-shaped frame 4, an externally threaded pipe 6 rotatably mounted on the rotating frame 2, the externally threaded pipe 6 and the internally threaded pipe 3 being threadedly connected, and a T-shaped rod 7 slidably mounted in the externally threaded pipe 6.

[0032] The top end of the T-shaped rod 7 is slidably connected to the top end of the spray pipe 5. Nozzles 8 are evenly fixedly installed on the spray pipe 5. The first motor 9 is fixedly installed on the rotating frame 2. The first gear set 11 is installed between the output shaft of the first motor 9 and the external threaded pipe 6. Pins 12 are symmetrically installed on the storage box 1. The conduit 13 is fixedly installed on the spray pipe 5. The water pump 14 is fixedly installed at the end of the conduit 13.

[0033] The water pump 14 is located inside the storage tank 1. The stirring rods 15 are symmetrically rotated inside the storage tank 1. A second gear set 16 is installed between the two stirring rods 15. A second motor 17 is fixedly installed on the storage tank 1. A third gear set 18 is installed between the output shaft of the second motor 17 and the stirring rods 15. A trolley 19 is fixedly installed at the bottom of the storage tank 1.

[0034] Storage box 1: As the core component of the entire spraying device, it is used to store the prepared pesticide. Its internal space provides a place for storing the pesticide solution, and it is also the space for the stirring rod 15 to stir and mix the pesticide solution. The trolley 19 installed at the bottom facilitates the overall movement of the device. In addition, storage box 1 provides a mounting base for components such as rotating frame 2, pin rod 12, and water pump 14.

[0035] Rotating frame 2: It is a key structure connecting the storage box 1 and the spraying execution component. By rotating, the initial direction of the spraying pipe 5 is changed, so that the device can be stored when idle and unfolded when in use. At the same time, the rotating frame 2 provides installation positions for components such as the internal threaded pipe 3, the external threaded pipe 6, and the first motor 9, and works together to realize the lifting and unfolding actions of the spraying pipe 5.

[0036] Internal threaded tube 3: It is threadedly connected to external threaded tube 6. When external threaded tube 6 rotates, internal threaded tube 3 slides up and down due to thread transmission, thereby driving the U-shaped frame 4 and spray pipe 5 fixed on it to move up and down. It is the key component to realize the height adjustment of spray pipe 5.

[0037] U-shaped frame 4: Provides structural support for the rotational installation of the spray pipe 5, allowing the spray pipe 5 to rotate on the U-shaped frame 4, realizing the unfolding and retraction of the spray pipe 5, and ensuring the stability of the spray pipe 5 under different working conditions;

[0038] Spraying pipe 5: This is the direct component that sprays pesticides onto pear trees. The nozzles 8, which are evenly installed on the spraying pipe 5, are responsible for spraying out the pesticide solution. When the device is working, the spraying pipe 5 is extended by lifting and rotating. The top of the spraying pipe 5 is slidably connected to the T-shaped rod 7 to achieve the extension action of the spraying pipe 5. At the same time, it is connected to the water pump 14 through the conduit 13 to obtain the pesticide solution in the storage tank 1.

[0039] External threaded tube 6: It is threadedly engaged with internal threaded tube 3 and rotates under the drive of the first motor 9 through the first gear set 11. It uses thread transmission to push the internal threaded tube 3 to slide up and down, thereby controlling the lifting and lowering of the spraying tube 5. At the same time, during the unfolding process of the spraying tube 5, the external threaded tube 6 plays a limiting role on the T-shaped rod 7, causing the spraying tube 5 to rotate and unfold.

[0040] T-shaped rod 7: Its top end is slidably connected to the top end of the spray pipe 5. During the upward movement of the spray pipe 5, the T-shaped rod 7 rises synchronously with the spray pipe 5. When it reaches the limit position of the external threaded pipe 6, the T-shaped rod 7 stops sliding, while the spray pipe 5 continues to rise. Due to the connection between the T-shaped rod 7 and the top end of the spray pipe 5, the spray pipe 5 rotates and unfolds around the connection point with the U-shaped frame 4, assisting the spray pipe 5 in unfolding.

[0041] Nozzle 8: Sprays the pesticide delivered from the spray pipe 5 onto the leaves of the pear tree in the form of a spray, realizing the spraying operation on the pear tree. Its uniform distribution ensures the coverage and uniformity of the spraying.

[0042] First motor 9: As the power source for the lifting and unfolding of the spray pipe 5, after starting, it drives the external threaded pipe 6 to rotate through the first gear set 11, thereby realizing the movement of components such as the internal threaded pipe 3 and the spray pipe 5, and controlling the lifting and unfolding process of the spray pipe 5.

[0043] First gear set 11: transmits the rotational power of the output shaft of the first motor 9 to the external threaded tube 6, ensuring that the first motor 9 can effectively drive the external threaded tube 6 to rotate, thereby realizing the power transmission for the lifting and unfolding of the spraying tube 5.

[0044] Pin 12: Used to fix the position of rotating frame 2. When in use, pull out pin 12, rotating frame 2 can rotate 90 degrees, and then insert pin 12 back to fix rotating frame 2, realizing the conversion of the device from storage to working state;

[0045] The conduit 13 is used to transport the pesticide pumped by the water pump 14 from the storage tank 1 to the spray pipe 5, providing a pesticide source for the spray pipe 5 and ensuring the continuous operation of the spraying operation.

[0046] Water pump 14: Its function is to draw the uniformly mixed medicine in the storage tank 1 through the conduit 13 and transport it to the spray pipe 5, providing power for the spraying process and ensuring that the medicine can smoothly reach the spray pipe 5 and be sprayed out from the nozzle 8.

[0047] Stirring rod 15: Driven by the second motor 17 through the third gear set 18, the two stirring rods 15 rotate relative to each other through the second gear set 16, stirring and mixing the various medicines in the storage tank 1 to ensure uniform concentration of medicines and achieve the best spraying effect.

[0048] The second gear set 16 transmits the rotational power of the outer stirring rod 15 to the inner stirring rod 15, enabling the two stirring rods 15 to rotate relative to each other, thereby achieving more thorough and uniform stirring of the medicine in the storage tank 1.

[0049] The second motor 17 serves as the power source for the rotation of the stirring rod 15. After starting, it drives the outer stirring rod 15 to rotate through the third gear set 18, thereby driving the inner stirring rod 15 to rotate relative to it, thus realizing the stirring and mixing operation of the medicine in the storage tank 1.

[0050] The third gear set 18 transmits the rotational power of the output shaft of the second motor 17 to the outer stirring rod 15, ensuring that the second motor 17 can effectively drive the stirring rod 15 to rotate, thereby realizing the power transmission for the drug stirring function.

[0051] Cart 19: Provides mobility for the entire spraying device. The device can be easily moved to different locations in the pear orchard via cart 19, facilitating spraying operations on the pear trees and improving the device's mobility and ease of use.

[0052] Working principle:

[0053] The first step is that when the device is idle, it is in a stored state, and its small size makes it easy to store. Before use, pour the various medicines into the storage tank 1 according to the ratio. Then, the second motor 17 is started, and the second motor 17 will drive the outer stirring rod 15 to rotate through the third gear set 18. Figure 4 (From a certain perspective), the outer stirring rod 15 will drive the inner stirring rod 15 to rotate relative to each other through the second gear set 16, so as to stir and mix the various medicines inside the storage box 1 evenly. Then, the device can be moved to the pear orchard by the trolley 19 for use.

[0054] The second step is to pull out the two pins 12 when using the device, rotate the rotating frame 2 ninety degrees, and then insert the rotating frame 2 back in to make the internal threaded tube 3 stand up. Then, the first motor 9 starts and drives the external threaded tube 6 to rotate counterclockwise through the first gear set 11. Figure 5 (From a perspective) Since the external threaded tube 6 and the internal threaded tube 3 are threadedly connected, the internal threaded tube 3 will be pushed to slide upward. The internal threaded tube 3 will drive the spraying tube 5 and the T-shaped rod 7 to slide upward synchronously. When the T-shaped rod 7 slides to the limit position, it will be blocked by the external threaded tube 6 and stop sliding. The internal threaded tube 3 will drive the spraying tube 5 to continue sliding. Since the top of the spraying tube 5 and the top of the T-shaped rod 7 are rotatably connected, the spraying tube 5 will be rotated and unfolded. At this time, the spraying tube 5 not only increases in height, but also unfolds to both sides. The water pump 14 will start and transport the medicine inside the storage box 1 to the spraying tube 5 along the conduit 13. Then, the nozzles 8 evenly installed on the spraying tube 5 will spray it onto the leaves of the pear tree.

[0055] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A spraying device for pear tree planting, comprising a storage tank (1), characterized in that, A rotating frame (2) is rotatably mounted on the storage box (1). An internally threaded tube (3) is slidably mounted on the rotating frame (2). A U-shaped frame (4) is fixedly mounted on the internally threaded tube (3). A spraying tube (5) is symmetrically rotatably mounted on the U-shaped frame (4). An externally threaded tube (6) is rotatably mounted on the rotating frame (2). The externally threaded tube (6) and the internally threaded tube (3) are threadedly connected. A T-shaped rod (7) is slidably mounted in the externally threaded tube (6). The top end of the T-shaped rod (7) is slidably connected to the top end of the spraying tube (5). Nozzles (8) are evenly fixedly mounted on the spraying tube (5). A first motor (9) is fixedly mounted on the rotating frame (2). A first gear set (11) is installed between the output shaft of the first motor (9) and the externally threaded tube (6). Pins (12) are symmetrically mounted on the storage box (1).

2. The spraying device for pear tree planting as described in claim 1, characterized in that, A conduit (13) is fixedly installed on the spray pipe (5).

3. The spraying device for pear tree planting as described in claim 2, characterized in that, A water pump (14) is fixedly installed at the end of the conduit (13), and the water pump (14) is located inside the storage tank (1).

4. The spraying device for pear tree planting as described in claim 1, characterized in that, The storage tank (1) is symmetrically and rotatably equipped with a stirring rod (15) inside.

5. The spraying device for pear tree planting as described in claim 4, characterized in that, A second gear set (16) is installed between the two stirring rods (15).

6. The spraying device for pear tree planting as described in claim 1, characterized in that, A second motor (17) is fixedly installed on the storage box (1).

7. A spraying device for pear tree planting as described in claim 6, characterized in that, A third gear set (18) is installed between the output shaft of the second motor (17) and the stirring rod (15).

8. The spraying device for pear tree planting as described in claim 1, characterized in that, A trolley (19) is fixedly installed at the bottom of the storage box (1).