Portable small agricultural seeder
By designing a pulley and synchronous belt drive system and a feeding mechanism, the problems of time-consuming, labor-intensive, and uneven sowing in traditional seeders have been solved, enabling efficient and uniform sowing in portable small agricultural seeders.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-03-13
AI Technical Summary
Traditional manual seeders consume a lot of physical strength, have low work efficiency, and produce uneven seeding. In addition, large-scale machinery is expensive and complicated to operate.
The transmission system using pulleys and synchronous belts, combined with the feeding mechanism design, including the circular array distribution of the distribution plates, ensures stable power transmission, uniform seed dispersion, and even sowing.
It reduces the physical exertion of operators, achieves efficient and uniform sowing results, and lowers the difficulty and cost of operation.
Smart Images

Figure CN223987410U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of agricultural planting technology, specifically a portable small agricultural seeder. Background Technology
[0002] A seeder is an agricultural machine whose main function is to accurately and efficiently sow crop seeds into the soil at specific intervals, depths, and seeding rates, providing a good start for crop growth. Seeders are widely used in the planting of various grain crops (such as wheat, corn, and rice), cash crops (such as cotton, soybeans, and rapeseed), and vegetables and fruits. They are an indispensable tool for achieving large-scale and efficient agricultural production. Different types of seeders have different functional focuses. For example, traditional manual seeders are operated by farmers manually, using simple funnels or containers to hold seeds, and manually controlling the sowing rhythm and range, which can meet the needs of small-area, simple sowing.
[0003] Traditional manual seeders require long periods of bending over to manually sow seeds. This method is not only physically demanding but also extremely inefficient. Farmers can only sow a limited area each day, typically only 0.2-0.3 acres. Furthermore, due to the difficulty in ensuring consistency during manual operation, there are significant differences in seed spacing and sowing depth, making it impossible to guarantee uniform sowing. While some large seeding machines offer certain efficiency advantages when operating on large, flat farmlands, these devices have numerous drawbacks, including their bulky size and high purchase costs. Utility Model Content
[0004] In order to solve the problems of time-consuming and labor-intensive sowing process and uneven material distribution, the purpose of this utility model is to provide a portable small agricultural seeder.
[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a portable small agricultural seeder, including a frame, a feeding mechanism symmetrically fixedly installed on the upper part of the frame, a drive motor and a battery box fixedly installed on one side of the frame, a front axle and a drive shaft rotatably connected between the lower inner walls of the frame, a front wheel symmetrically fixedly sleeved on the outer surface of the front axle, a third pulley fixedly sleeved at both ends of the drive shaft passing through the frame, a second pulley fixedly sleeved at both ends of the front axle passing through the frame, a second synchronous belt sleeved on the outer surfaces of the second pulley and the third pulley, a first pulley fixedly connected to the output end of the drive motor and one side of one of the third pulleys, a first synchronous belt sleeved on the outer surface of the first pulley, and a plowshare fixedly sleeved at the lower end of the feeding mechanism.
[0006] Preferably, the feeding mechanism includes a feeding hopper, the outer surface of which is fixedly connected to the upper inner wall of the frame, a feeding port at the upper end of the feeding hopper, a distributing box at the lower end of the feeding hopper, a feeding pipe at the lower end of the distributing box, a discharging port at the lower end of the feeding pipe, a drive shaft passing through the distributing box and having multiple distributing plates fixedly connected to its outer surface, the distributing plates being located inside the distributing box.
[0007] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0008] This invention, through the coordinated use of pulleys and synchronous belts in the transmission and feeding mechanism, ensures stable power transmission in the seeder's power transmission system, guaranteeing normal operation and reducing the physical exertion of the seeders. Simultaneously, the rational design of components such as the rear roller and plowshare allows for soil compaction and ditching operations to be completed using the seeder's own power, eliminating the need for additional manual labor and further reducing the operator's burden. In the feeding mechanism, the circular array distribution and rotating design of the distribution plates evenly disperse the seeds into the feeding pipe, ensuring uniform seed drop from the outlet and achieving efficient and uniform sowing. Attached Figure Description
[0009] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0010] Figure 1 This is a schematic diagram of the structure of this utility model.
[0011] Figure 2 This is a partial structural diagram of the present utility model.
[0012] Figure 3 This is a schematic diagram of the structure of this utility model.
[0013] In the diagram: 10. Drive motor; 11. Frame; 12. Front axle; 13. Drive shaft; 14. Front wheel; 15. Second pulley; 16. Third pulley; 17. Second synchronous belt; 18. First pulley; 19. First synchronous belt; 20. Feeding mechanism; 21. Rear roller; 22. Handle; 23. Side support kit; 24. Plowhead; 25. Rear wheel; 26. Feed hopper; 27. Feed inlet; 28. Distribution box; 29. Distribution plate; 30. Feed pipe; 31. Discharge port; 32. Battery box. Detailed Implementation
[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0015] Example: Figure 1-3 As shown, this utility model provides a portable small agricultural seeder, including a frame 11. A feeding mechanism 20 is symmetrically fixedly installed on the upper part of the frame 11. A handle 22 is fixedly installed on the side of the frame 11 near the feeding mechanism 20. The handle 22 provides a grip for the operator, making it convenient for the operator to control the direction and speed of the seeder, thus enhancing the portability and operability of the seeder. A drive motor 10 and a battery box 32 are fixedly installed on one side of the frame 11. A front shaft 12 and a drive shaft 13 are rotatably connected between the lower inner walls of the frame 11. A rear roller 21 is rotatably connected on the side of the frame 11 away from the front shaft 12. The rear roller 21 is cylindrical and can compact the soil after sowing, making the soil around the sown seeds compact, ensuring close contact between the seeds and the soil, improving the germination rate, and ensuring that the ground is flat after sowing, creating a good environment for crop growth.
[0016] The front axle 12 has a front wheel 14 symmetrically fixedly sleeved on its outer surface. The two ends of the drive shaft 13 pass through the frame 11 and are each fixedly sleeved with a third pulley 16. The two ends of the front axle 12 pass through the frame 11 and are each fixedly sleeved with a second pulley 15. The diameter of the third pulley 16 is larger than that of the second pulley 15. The outer surfaces of the second pulley 15, the third pulley 16, and the first pulley 18 are all treated with anti-slip treatment. The larger diameter of the third pulley 16 is to increase the transmission ratio between the third pulley 16 and the second pulley 15, so that the third pulley 16 can better transmit power to the second pulley 15. The anti-slip treatment enhances the friction between them, prevents slippage, ensures stable and reliable power transmission, and ensures the normal operation of the seeder.
[0017] The outer surfaces of the second pulley 15 and the third pulley 16 are jointly fitted with a second synchronous belt 17. The output end of the drive motor 10 is fixedly connected to one side of one of the third pulleys 16 with a first pulley 18. The outer surface of the first pulley 18 is fitted with a first synchronous belt 19. A plowshare 24 is fixedly fitted to the lower end of the feeding mechanism 20. One end of the plowshare 24 is inclined, a design that makes it easier for the plowshare 24 to penetrate the soil, easily breaking up the soil to form suitable planting furrows, while reducing frictional resistance with the soil and extending the service life of the plowshare 24. Driven by the drive motor 10, the first pulley 18 and the first synchronous belt 19 transmit power to the third pulley 16, causing the drive shaft 13 to rotate. The drive shaft 13 then uses the second synchronous belt 17 to rotate the front axle 12, causing the front wheel 14 to drive the seeder forward.
[0018] The feeding mechanism 20 includes a feeding hopper 26, the outer surface of which is fixedly connected to the upper inner wall of the frame 11. A feeding inlet 27 is provided at the upper end of the feeding hopper 26. A distribution box 28 is connected through to the lower end of the feeding hopper 26. A feeding pipe 30 is connected through to the lower end of the distribution box 28. A side support assembly 23 is fixedly sleeved on the outer surface of the feeding pipe 30. A rear wheel 25 is rotatably connected to one side of the side support assembly 23. The feeding pipe 30 passes through a plow head 24 and is fixedly connected to it. The cooperation between the side support assembly 23 and the rear wheel 25 provides support. A discharge outlet 31 is provided at the lower end of the feeding pipe 30. A drive shaft 13 passes through the distribution box 28 and has multiple distribution... The seed distribution plates 29 are arranged in a ring array. When the drive shaft 13 rotates, the ring array of seed distribution plates 29 can more evenly disperse the seeds that enter the seed distribution box 28 from the feed hopper 26 through the feed inlet 27, so that the seeds are evenly sown into the soil through the feed pipe 30 and the discharge port 31, ensuring the uniformity of sowing. The seed distribution plates 29 are located inside the seed distribution box 28. The feed inlet 27 connects the frame 11 to the seed distribution box 28. The drive shaft 13 passes through the seed distribution box 28. The ring array of seed distribution plates 29 on the shaft rotates with the shaft, evenly distributing the seeds entering the seed distribution box 28 to each feed pipe 30. The seeds are discharged from the discharge port 31 and fall into the shallow furrows opened by the plow head 24 to complete the sowing.
[0019] Working principle: The drive motor 10 serves as the power source. After starting, the output shaft of the drive motor 10 drives the first pulley 18 connected to it to rotate. The first pulley 18 transmits power to the third pulley 16 through the first synchronous belt 19. Since the third pulley 16 is fixedly sleeved at both ends of the drive shaft 13, the drive shaft 13 begins to rotate. The rotation of the drive shaft 13 drives the second synchronous belt 17, which is sleeved on its outer surface, to move. The second synchronous belt 17 cooperates with the second pulley 15, which is fixed at both ends of the front shaft 12, thereby driving the front shaft 12 to rotate. The front wheel 14 is symmetrically fixedly sleeved on the front shaft 12, so the front wheel 14 rotates under the drive of the drive motor 10, realizing the forward movement of the seeder. At the same time, a rear roller 21 is rotatably connected to the side of the frame 11 away from the front shaft 12. It rolls as the seeder moves forward, playing a role in leveling the land or compacting the soil around the seeds.
[0020] When sowing is needed, seeds enter the feeding mechanism 20 through the feed inlet 27. The feed inlet 27 is connected to the distribution box 28, which contains a circular array of distribution plates 29. The distribution plates 29 are fixedly connected to the drive shaft 13. When the drive shaft 13 rotates, it drives the distribution plates 29 to rotate, evenly dispersing the seeds entering the distribution box 28 into the feeding pipe 30. The seeds fall along the feeding pipe 30 and are discharged from the discharge port 31. The plow head 24 below the discharge port 31 creates shallow furrows in the ground as the seeder moves forward. The seeds fall directly from the discharge port 31 into the shallow furrows created by the plow head 24, thus achieving sowing.
[0021] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.
Claims
1. A portable small-sized agricultural seeder comprising a frame (11), characterized in that: The upper part of the frame (11) is symmetrically fixedly installed with a discharging mechanism (20), one side of the frame (11) is fixedly installed with a driving motor (10) and a battery box (32), the lower inner walls of the frame (11) are rotationally connected with a front shaft (12) and a driving shaft (13), the outer surface of the front shaft (12) is symmetrically fixedly sleeved with a front wheel (14), the two ends of the driving shaft (13) penetrate through the frame (11) and are both fixedly sleeved with a third pulley (16), the two ends of the front shaft (12) penetrate through the frame (11) and are both fixedly sleeved with a second pulley (15), the outer surface of the second pulley (15) and the outer surface of the third pulley (16) are commonly sleeved with a second synchronous belt (17), the output end of the driving motor (10) and one side of one of the third pulleys (16) are both fixedly connected with a first pulley (18), the outer surface of the first pulley (18) is sleeved with a first synchronous belt (19), and the lower end of the discharging mechanism (20) is fixedly sleeved with a plow head (24).
2. A portable small-sized agricultural seeder according to claim 1, wherein The discharging mechanism (20) comprises a discharging hopper (26), the outer surface of the discharging hopper (26) is fixedly connected with the upper inner wall of the frame (11), the upper end of the discharging hopper (26) is provided with a feeding port (27), the lower end of the discharging hopper (26) is through-connection with a distribution box (28), the lower end of the distribution box (28) is through-connection with a discharging pipe (30), the lower end of the discharging pipe (30) is provided with a discharging port (31), the driving shaft (13) penetrates through the distribution box (28) and is fixedly connected with a plurality of distribution plates (29) in the outer surface, and the distribution plates (29) are located in the inside of the distribution box (28).
3. A portable small-sized agricultural seeder according to claim 2, wherein The outer surface of the discharging pipe (30) is fixedly sleeved with a side support assembly (23), one side of the side support assembly (23) is rotationally connected with a rear wheel (25), and the discharging pipe (30) penetrates through the plow head (24) and is fixedly connected with the plow head (24).
4. A portable small-sized agricultural seeder according to claim 1, wherein The frame (11) is rotationally connected with a rear roller (21) on the side away from the front shaft (12), and the rear roller (21) is in a cylindrical shape.
5. A portable small-sized agricultural seeder according to claim 1, wherein The diameter of the third pulley (16) is greater than that of the second pulley (15), and the outer surfaces of the second pulley (15), the third pulley (16) and the first pulley (18) are all provided with anti-skid treatment.
6. A portable small-sized agricultural seeder according to claim 2, wherein The distribution plates (29) are arranged in an annular array.
7. A portable small-sized agricultural seeder according to claim 1, wherein One end of the plow head (24) is in an inclined surface.
8. A portable small-sized agricultural seeder according to claim 1, wherein The frame (11) is fixedly installed with a handlebar (22) on the side close to the discharging mechanism (20).