A portable rice paddy fertilizer sprayer
The design of the portable rice paddy fertilizer sprayer solves the problems of traditional equipment not being able to spray continuously and frequently add fertilizer, enabling uninterrupted fertilization and improving convenience, while ensuring the uniformity of fertilization and the healthy growth of rice.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SILK ROAD HUI SUPPLY CHAIN MANAGEMENT (YUNNAN) CO LTD
- Filing Date
- 2025-07-22
- Publication Date
- 2026-06-30
AI Technical Summary
Existing rice paddy fertilization equipment cannot achieve continuous spraying, requires frequent addition of fertilizer, and lacks ease of use.
A portable rice paddy fertilizer sprayer was designed, which includes a backpack-mountable spray pipe connected to a water tank for continuous water supply. It is equipped with a stirring mechanism to prevent fertilizer sedimentation and uses electric components and a winding mechanism to achieve uninterrupted spraying and convenient operation.
It enables uninterrupted fertilization spraying, reduces the frequency of manual addition of water and fertilizer, and improves ease of use and fertilization quality.
Smart Images

Figure CN224419375U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of agricultural machinery and equipment technology, specifically a portable rice paddy fertilizer sprayer. Background Technology
[0002] Fertilization is a crucial step in ensuring healthy rice growth and increasing yield during rice cultivation. Currently, the traditional methods of fertilizing rice paddies mainly include manual application and the use of large-scale spraying equipment.
[0003] Existing technology includes a convenient fertilization device for rice transplanting, as disclosed in patent application number CN202220992249.5. The back of the fertilizer storage box is fixedly connected to a mounting back plate, and mounting seats are fixedly connected to the four corners of the back of the mounting back plate. One end of each mounting seat is rotatably connected to a connecting block via a rotating shaft. A telescopic swing rod is fixedly connected to the middle of one side of the connecting block. An adjusting swing rod is slidably sleeved on the outer side of the telescopic swing rod. A guide elongated groove is formed through the middle of the top of the adjusting swing rod. This invention adjusts the tilt angle of the mounting seat by extending the telescopic swing rod, while simultaneously guiding the telescopic swing rod through the guide elongated groove and fixing bolt to prevent it from shifting during adjustment. By quickly installing the fertilizer storage box onto the side of the rice transplanter, the functionality of the rice transplanter is effectively expanded, enabling simultaneous fertilizer application during transplanting, thus significantly improving the convenience of rice transplanting fertilization. However, this technical solution suffers from problems in practical use, such as the inability to achieve continuous spraying and the need for frequent fertilizer additions, resulting in insufficient convenience during use.
[0004] In view of this, we propose a portable rice paddy fertilizer sprayer. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides a portable rice paddy fertilizer sprayer.
[0006] The technical solution of this utility model is:
[0007] A portable rice paddy fertilizer sprayer includes a platform and a water tank mounted on the platform, as well as a back panel. A spray pipe is fixedly connected to the outer wall of the back panel. Several evenly spaced nozzles are installed at the bottom of the spray pipe, and a water inlet pipe is installed at the top of the spray pipe. The water inlet pipe communicates with the inside of the water tank via a first flexible hose. A winding mechanism for winding the first flexible hose is installed on the platform. A stirring mechanism is installed inside the water tank. A protective pad is fixedly connected to the outer wall of the back panel on the side away from the spray pipe, and a carrying strap is installed on both sides of the pad. By setting up a spray pipe that can be carried manually and connected to the water tank, water can be continuously supplied to the spray pipe from the water tank, thus achieving uninterrupted spraying. During spraying, the spraying position can be changed by the operator walking, thereby avoiding frequent manual returns to the bank to add water and fertilizer, effectively improving the convenience of use.
[0008] As a preferred technical solution, the bottom of the vehicle platform has two straight wheels symmetrically fixedly connected near the front and two swivel wheels symmetrically fixedly installed near the rear. The straight wheels provide stable forward guidance and support for the equipment, while the swivel wheels enable flexible steering.
[0009] As a preferred technical solution, a pushcart frame is fixedly connected to the top of the vehicle platform near the rear, and a battery box is fixedly installed between the pushcart frame and the water tank. A storage battery is installed inside the battery box. The pushcart frame on the top of the vehicle platform facilitates farmers pushing the equipment, and the battery box and storage battery provide power to the equipment's electric components.
[0010] As a preferred technical solution, a support block is fixedly connected to both sides of the top of the vehicle platform, and the support block is tightly fitted to the outer wall of the water tank. This provides stable support and positioning for the water tank, preventing it from shaking, tilting, or even falling during equipment movement.
[0011] As a preferred technical solution, the winding mechanism includes two support plates symmetrically fixed to the top of the vehicle platform, with a hollow winding shaft rotatably mounted between the two support plates. A winding motor with an output shaft coaxially fixed to the winding shaft is mounted on one of the support plates. After fertilization, the farmer can start the winding motor to neatly wind the first hose onto the winding shaft, eliminating the need for manual labor and saving time and manpower.
[0012] As a preferred technical solution, an outer connecting pipe is installed on the outer wall of the take-up shaft, which is fixedly connected to the first flexible hose. A connecting pipe is rotatably mounted at the end of the outer connecting pipe away from the take-up motor via a bearing. This connecting pipe is connected to the inside of the water tank via a second flexible hose. This ensures that the first flexible hose maintains communication with the water tank during take-up and untake-up processes, guaranteeing the continuity of fertilizer delivery.
[0013] As a preferred technical solution, the water tank is equipped with a water outlet pipe connected to the second flexible hose, and a water pump is installed on the water outlet pipe. A feeding hopper is installed on the top of the water tank. The water pump can extract and pressurize the fertilizer solution in the water tank, and deliver it to the spray pipe and nozzle through the second flexible hose, the outer connecting pipe, and the first flexible hose, providing power for the spraying of fertilizer.
[0014] As a preferred technical solution, the stirring mechanism includes a stirring shaft rotatably installed inside the water tank. Several stirring blades are fixed to the outer circumference of the stirring shaft. A stirring motor with an output shaft coaxially fixed to the stirring shaft is installed on the outer wall of the water tank. The stirring motor drives the stirring shaft to rotate, and the stirring blades on the stirring shaft rotate accordingly, stirring the fertilizer in the water tank. During the fertilization process, the stirring blades continuously agitate the fertilizer solution, preventing fertilizer particles from settling at the bottom of the water tank, maintaining the uniformity of the fertilizer solution, ensuring that the concentration of fertilizer solution is consistent at every point sprayed from the nozzle, ensuring that the rice can absorb fertilizer nutrients evenly, improving fertilization quality, and promoting the growth and development of rice.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] This invention features a spray pipe that can be carried by a person and connected to a water tank. Water can be continuously supplied to the spray pipe from the tank, enabling uninterrupted spraying. During spraying, the operator can move around to change the spraying position, thus avoiding the need for frequent manual return to the shore to add water and fertilizer, effectively improving the convenience of use. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of the trolley plate and water tank in this utility model;
[0018] Figure 2 This is a schematic diagram of the back plate and spray pipe of this utility model;
[0019] Figure 3 This is a schematic diagram of the internal structure of the water tank in this utility model;
[0020] Figure 4 This is a schematic diagram of the winding mechanism in this utility model;
[0021] The meanings of the labels in the diagram are as follows:
[0022] 1. Carriage platform; 10. Support block; 11. Battery box; 2. Water tank; 20. Feed hopper; 21. Mixing motor; 22. Mixing shaft; 23. Mixing blade; 24. Water outlet pipe; 25. Water pump; 3. Winding mechanism; 30. Support plate; 31. Winding motor; 32. Winding shaft; 33. External pipe; 34. Connecting pipe; 35. Second hose; 4. Straight wheel; 5. Universal wheel; 6. Carriage frame; 7. Back panel; 70. Pad; 71. Shoulder strap; 8. Spray pipe; 80. Water inlet pipe; 81. Spray head; 9. First hose. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Please see Figures 1-4 This utility model provides a technical solution:
[0025] A portable rice paddy fertilizer sprayer includes a platform 1 and a water tank 2 mounted on the platform 1, as well as a back plate 7. A spray pipe 8 is fixedly connected to the outer wall of the back plate 7. Several equally spaced nozzles 81 are installed at the bottom of the spray pipe 8, and a water inlet pipe 80 is installed at the top of the spray pipe 8. The water inlet pipe 80 is connected to the inside of the water tank 2 through a first flexible hose 9. A winding mechanism 3 for winding the first flexible hose 9 is installed on the platform 1. A stirring mechanism is installed inside the water tank 2. A protective pad 70 is fixedly connected to the outer wall of the back plate 7 on the side away from the spray pipe 8, and a carrying strap 71 is installed on both sides of the protective pad 70. By setting up a spray pipe 8 that can be carried manually and connecting it to the water tank 2, water can be continuously supplied to the spray pipe 8 through the water tank 2, thereby achieving uninterrupted spraying. During the spraying process, the spraying position can be changed by the operator walking, thus avoiding the need for frequent manual return to the bank to add water and fertilizer, effectively improving the convenience of use.
[0026] In a preferred embodiment, two straight wheels 4 are symmetrically fixedly connected to the bottom of the vehicle platform 1 near the front, and two omnidirectional wheels 5 are symmetrically fixedly installed near the rear. The straight wheels 4 provide stable forward guidance and support for the equipment, while the omnidirectional wheels 5 enable the equipment to turn flexibly.
[0027] In a preferred embodiment, a pushcart frame 6 is fixedly connected to the top of the vehicle platform 1 near the rear side, and a battery box 11 is fixedly installed between the pushcart frame 6 and the water tank 2, with a storage battery installed inside the battery box 11. The pushcart frame 6 on the top of the vehicle platform 1 facilitates farmers in pushing the equipment, and the battery box 11 and the storage battery provide power to the electric components of the equipment.
[0028] In a preferred embodiment, a support block 10 is fixedly connected to both sides of the top of the vehicle platform 1 on both sides of the water tank 2. The support block 10 fits tightly against the outer wall of the water tank 2. This provides stable support and positioning for the water tank 2, preventing it from shaking, tilting, or even falling during equipment movement.
[0029] In a preferred embodiment, the winding mechanism 3 includes two support plates 30 symmetrically fixed to the top of the vehicle platform 1. A hollow winding shaft 32 is rotatably mounted between the two support plates 30. A winding motor 31 with an output shaft coaxially fixed to the winding shaft 32 is mounted on one of the support plates 30. After fertilization, the farmer can start the winding motor 31 to neatly wind the first hose 9 onto the winding shaft 32, eliminating the need for manual labor and saving time and manpower.
[0030] In a preferred embodiment, an outer connecting pipe 33, which is fixedly connected to the first flexible hose 9, is installed on the outer wall of the winding shaft 32. A connecting pipe 34 is rotatably mounted on the end of the outer connecting pipe 33 away from the winding motor 31 via a bearing. The connecting pipe 34 is connected to the interior of the water tank 2 via a second flexible hose 35. This ensures that the first flexible hose 9 maintains communication with the water tank 2 during winding and unwinding, guaranteeing the continuity of fertilizer delivery.
[0031] In a preferred embodiment, the water tank 2 is equipped with a water outlet pipe 24 that communicates with the second flexible hose 35, and a water pump 25 is installed on the water outlet pipe 24. A feeding hopper 20 is installed on the top of the water tank 2. The water pump 25 can extract and pressurize the fertilizer solution in the water tank 2, and deliver it to the spray pipe 8 and the nozzle 81 through the second flexible hose 35, the outer connecting pipe 33, and the first flexible hose 9, providing power for the spraying of fertilizer.
[0032] In a preferred embodiment, the stirring mechanism includes a stirring shaft 22 rotatably mounted inside the water tank 2. Several stirring blades 23 are fixed to the outer circumference of the stirring shaft 22. A stirring motor 21, with its output shaft coaxially fixed to the stirring shaft 22, is mounted on the outer wall of the water tank 2. The stirring motor 21 drives the stirring shaft 22 to rotate, causing the stirring blades 23 on the stirring shaft 22 to rotate accordingly, thus stirring the fertilizer in the water tank 2. During the fertilization process, the stirring blades 23 continuously agitate the fertilizer solution, preventing fertilizer particles from settling at the bottom of the water tank 2, maintaining the uniformity of the fertilizer solution, ensuring a consistent concentration of fertilizer solution at every point sprayed from the nozzle 81, ensuring that the rice can uniformly absorb fertilizer nutrients, improving fertilization quality, and promoting the growth and development of the rice.
[0033] When using the portable rice paddy fertilizer sprayer of this utility model, first mix fertilizer and water in proportion and put them into water tank 2. Start the stirring motor 21 to drive the stirring shaft 22 and stirring blades 23 to rotate, so as to stir the fertilizer solution in water tank 2, ensure that the fertilizer is evenly dispersed, avoid sedimentation and clumping, and ensure that the solution concentration is consistent.
[0034] Then, the farmer moves the cart 1 to the designated fertilization area, carries the backboard 7 on his back, and walks through the paddy field. During this walking process, he starts the water pump 25, which extracts and pressurizes the fertilizer solution from the water tank 2. The solution is then transported through the outlet pipe 24, the second hose 35, the connecting pipe 34, the external connecting pipe 33, and the first hose 9 to the spray pipe 8, and finally sprayed evenly from the nozzle 81. During spraying, the farmer can change the spraying position by walking, achieving large-area, uninterrupted fertilization without frequently returning to the bank to add water and fertilizer. Before walking with the backboard 7, the first hose 9 needs to be fully released using the rewind motor 31 to avoid the first hose 9 affecting the farmer's walking.
[0035] After the fertilization operation is completed, start the winding motor 31. The winding motor 31 drives the winding shaft 32 to rotate, automatically winding the first hose 9 onto the winding shaft 32.
[0036] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A portable rice field fertilizer sprayer characterized by: The device includes a platform (1) and a water tank (2) mounted on the platform (1), as well as a back panel (7). A spray pipe (8) is fixedly connected to the outer wall of the back panel (7). Several nozzles (81) are installed at equal intervals at the bottom of the spray pipe (8). A water inlet pipe (80) is installed at the top of the spray pipe (8). The water inlet pipe (80) is connected to the inside of the water tank (2) through a first flexible hose (9). A winding mechanism (3) for winding the first flexible hose (9) is installed on the platform (1). A stirring mechanism is installed inside the water tank (2). A pad (70) is fixedly connected to the outer wall of the back panel (7) away from the spray pipe (8), and a shoulder strap (71) is installed on both sides of the pad (70).
2. The portable rice field fertilizer sprayer of claim 1, wherein: The bottom of the vehicle board (1) has two straight wheels (4) symmetrically fixedly connected near the front side and two omnidirectional wheels (5) symmetrically fixedly installed near the rear side.
3. The portable rice paddy fertilizer sprayer as described in claim 2, characterized in that: A trolley frame (6) is fixedly connected to the top of the vehicle board (1) near the rear side, and a battery box (11) is fixedly installed between the trolley frame (6) and the water tank (2), and a storage battery is installed in the battery box (11).
4. The portable rice paddy fertilizer sprayer as described in claim 3, characterized in that: The top of the vehicle plate (1) is fixedly connected to a support block (10) on both sides of the water tank (2), and the support block (10) is tightly attached to the outer wall of the water tank (2).
5. The portable rice paddy fertilizer sprayer as described in claim 4, characterized in that: The winding mechanism (3) includes two support plates (30) symmetrically fixed to the top of the vehicle plate (1). A hollow winding shaft (32) is rotatably installed between the two support plates (30). A winding motor (31) with an output shaft coaxially fixed to the winding shaft (32) is installed on one of the support plates (30).
6. The portable rice paddy fertilizer sprayer as described in claim 5, characterized in that: An outer tube (33) is installed on the outer wall of the take-up shaft (32) and is fixedly connected to the first hose (9). A connecting pipe (34) is rotatably installed at the end of the outer tube (33) away from the take-up motor (31) through a bearing. The connecting pipe (34) is connected to the inside of the water tank (2) through the second hose (35).
7. The portable rice paddy fertilizer sprayer as described in claim 6, characterized in that: The water tank (2) is equipped with a water outlet pipe (24) that is connected to the second hose (35), and a water pump (25) is installed on the water outlet pipe (24). A feeding hopper (20) is installed on the top of the water tank (2).
8. The portable rice paddy fertilizer sprayer as described in claim 7, characterized in that: The stirring mechanism includes a stirring shaft (22) rotatably installed inside the water tank (2), and a number of stirring blades (23) are fixed on the outer circumference of the stirring shaft (22). A stirring motor (21) with an output shaft coaxially fixed to the stirring shaft (22) is installed on the outer wall of the water tank (2).