Small seeder
By designing left and right seeding wheels and guide plate structures in a small seeder, the problem of poor adaptability of existing small seeders has been solved, enabling precise sowing of seeds of different sizes and improving sowing efficiency and accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-04-07
AI Technical Summary
Existing small seeders have poor adaptability and cannot achieve precise seeding.
The design incorporates two seeding wheels on the left and right sides, with seeding troughs of different sizes. Combined with guide plates and baffle structures, it enables precise sowing of seeds of different sizes.
It enables precise sowing of seeds of different sizes, improving sowing efficiency and accuracy.
Smart Images
Figure CN224084110U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of agricultural production, and in particular relates to a small seeder. Background Technology
[0002] With the development of agricultural mechanization, traditional manual sowing methods can no longer meet the demands of modern agriculture for high efficiency, precision, and labor-saving methods. As a small, lightweight, and flexible agricultural machinery, the seeder has been widely used in agricultural production due to its advantages such as simple operation, high efficiency, and low cost.
[0003] A seeder typically includes a seed box containing multiple seed trays. Inside each seed tray rotates a seeding wheel with a ring of seeding grooves. All seeding grooves have the same opening size. This means that if the seeding groove opening is small, the seeder can only sow smaller seeds; conversely, a larger opening allows the seeder to sow larger seeds. While it can also sow smaller seeds, the number of seeds sown at once may exceed the required quantity, failing to achieve precise sowing. Utility Model Content
[0004] In view of the above problems, the purpose of this utility model is to provide a small seeder, which aims to solve the problems that existing small seeders have poor adaptability and cannot achieve the effect of precise seeding.
[0005] The present invention adopts the following technical solution:
[0006] The small seeder includes a frame with a pair of rotatable wheels on the front and a seeding mechanism on the rear. The seeding mechanism includes a seed box with several discharge ports. A seed tray is located at the bottom of the seed box corresponding to each discharge port. A furrow opener is located on the frame facing downwards from the seed tray. A discharge pipe is located at the outlet of the seed box, with its bottom extending into the furrow opener. A partition is located inside the seed box, dividing it into left and right seeding sections. A pair of left and right seeding wheels are rotatably mounted in each seeding section. The right seeding wheel has a shallow seeding groove, and the left seeding wheel has several deep seeding grooves evenly distributed. Baffles can be inserted into the seeding sections. The frame is equipped with a drive mechanism for synchronously rotating all the seeding wheels.
[0007] Furthermore, the top of the trencher is a hollow fixed tube, and the bottom of the feed pipe extends into the fixed tube, with the bottom of the fixed tube fixed inside the trencher.
[0008] Furthermore, the drive mechanism includes a drive shaft rotatably installed inside the seed box, and the drive shaft passes through all the seed boxes. The seeding wheel is fixedly installed on the drive shaft. A connecting shaft is rotatably provided on the frame. The two ends of the connecting shaft are provided with the walking wheels. The connecting shaft is provided with a drive sprocket and a driven sprocket. A chain is sleeved between the drive sprocket and the driven sprocket.
[0009] Furthermore, each seeding interval has a shallow groove on its top surface, a baffle is inserted into the shallow groove, and the tail of the baffle forms a handle with a stop at the front end of the handle.
[0010] Furthermore, a guide plate is provided inside the trencher facing the bottom opening of the fixed pipe.
[0011] The beneficial effects of this utility model are:
[0012] 1. By setting two seeding wheels on the left and right sides inside the seeding box, and the seeding grooves on them are of different sizes, this device can accurately sow seeds of different sizes.
[0013] 2. During the sowing process, the seeds enter and exit the planting furrow through the bottom opening of the fixed tube. The guide plate plays a guiding role to achieve the purpose of precise sowing. Attached Figure Description
[0014] Figure 1 This utility model provides an overall drawing of a small seeder.
[0015] Figure 2 This utility model provides a schematic diagram of the distribution of the seeding boxes.
[0016] Figure 3 This is a schematic diagram of the seeding box provided by this utility model.
[0017] Figure 4 This utility model provides a schematic diagram of a trencher.
[0018] Figure 5 This utility model provides a schematic diagram of the structure of two seeding wheels, one on the left and one on the right.
[0019] Figure 6 This utility model provides a schematic diagram of the baffle structure. Detailed Implementation
[0020] To make the objectives, technical solutions, and advantages of this utility model patent clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model.
[0021] To illustrate the technical solution described in this utility model, specific embodiments are described below.
[0022] For ease of explanation, only the parts relevant to the embodiments of this utility model are shown.
[0023] Combination Figure 1-5 As shown, the small seeder includes a frame 1. A pair of traveling wheels 2 are rotatably mounted on the front side of the frame 1, and a seeding mechanism is mounted on the rear side. The seeding mechanism includes a seed box 3 with several material inlets inside. A seeding tray 4 is mounted at the bottom of the seed box 3 corresponding to each material inlet. A furrow opener 5 is mounted on the frame 1 facing downwards from the seed box 4. A discharge pipe 6 is mounted on the outlet of the seed box 3 corresponding to the seed box 4, with the bottom of the discharge pipe 6 extending into the furrow opener 5. A partition 7 is mounted inside the seed box 4, dividing the seed box 4 into left and right seeding sections. A pair of left and right seeding wheels are rotatably mounted in each of the two seeding sections. The right seeding wheel 81 has a shallow seeding groove 82, and the left seeding wheel 91 has several deep seeding grooves 92 evenly spaced. A baffle 10 can be inserted into the seeding section. A drive mechanism is mounted on the frame 1 to drive all the seeding wheels to rotate synchronously.
[0024] Figure 1-2 In this process, the frame 1 serves as the main carrier of the device. A traction frame 11 is provided on the front side of the frame 1. In actual operation, the traction vehicle is connected to the device through the traction frame. During sowing, the traction vehicle pulls the device.
[0025] In the above structure, the seeding box is equipped with a partition that divides the seeding box into left and right seeding sections. Both seeding sections have rotating seeding wheels. The right seeding wheel has a shallow seeding groove, while the left seeding wheel has several deep seeding grooves, with the number of deep grooves being less than the number of shallow grooves. A baffle can be inserted above the seeding section. This design, with two seeding wheels of different sizes and seeding grooves within the seeding box, allows the device to precisely sow seeds of different sizes.
[0026] In this device, Figure 3-4 The trencher 5 has a hollow fixed tube 12 at its top, and the bottom of the feed pipe 6 extends into the fixed tube 12. The bottom of the fixed tube 12 is fixed inside the trencher 5. The trencher is fixed to the frame through the fixed tube.
[0027] When sowing larger seeds, if the shallow sowing troughs are not suitable for the seed size, first insert a baffle above each right-hand seeding section to close all right-hand seeding sections. Then, pour an appropriate amount of seeds into the sowing box and spread them evenly, with the front end of the furrow opener in contact with the soil. The machine moves forward, and the furrow opener digs a planting furrow. During this process, the drive mechanism drives all the sowing wheels to rotate synchronously. Since the right-hand seeding sections are closed, the seeds only flow into the left-hand seeding sections. Therefore, each deep sowing trough simultaneously feeds seeds into the feeding pipe along with the left sowing wheel. The seeds enter and exit the planting furrow from the bottom opening of the fixed pipe.
[0028] In this structure, such as Figure 4 The furrow opener 5 has a guide plate 13 at its bottom opening facing the fixed tube 12. During the sowing process, the seeds enter and exit the planting furrow from the bottom opening of the fixed tube, and the guide plate acts as a guide to achieve precise sowing.
[0029] As a specific structure, Figure 1-2 The driving mechanism includes a drive shaft 14 rotatably installed inside the seed box 3, and the drive shaft 14 passes through all the seed boxes 4. The seeding wheel is fixedly installed on the drive shaft 14. A connecting shaft 15 is rotatably provided on the frame 1. The two ends of the connecting shaft 15 are provided with the walking wheels 2. The connecting shaft 15 is provided with a drive sprocket 17 and a driven sprocket (covered in the figure). A chain 19 is sleeved between the drive sprocket 17 and the driven sprocket 18.
[0030] When the tractor pulls the whole machine forward, the two traveling wheels drive the connecting shaft to rotate, the drive sprocket to rotate, and under the series of linkages of the chain and the drive sprocket, the drive shaft rotates together, and the drive shaft drives all the seeding wheels to rotate, so as to realize sowing.
[0031] in addition, Figure 3 , Figure 6 Each planting interval has a shallow groove 20 on its top surface. A baffle 10 is inserted into the shallow groove 20, and a handle 21 is formed with the tail of the baffle 10 facing upward. A stop block 22 is provided at the front end of the handle.
[0032] Shallow grooves are provided on the top surface of the seeding box, corresponding to the left and right seeding sections. These grooves facilitate the insertion of baffles. When the baffle is inserted into the shallow groove using the handle, it contacts the seeding box once fully inserted.
[0033] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A small seeder, characterized in that: The small seeder includes a frame with a pair of rotatable wheels on the front and a seeding mechanism on the rear. The seeding mechanism includes a seed box with several discharge ports. A seed tray is located at the bottom of the seed box corresponding to each discharge port. A furrow opener is located on the frame facing downwards from the seed tray. A discharge pipe is located at the outlet of the seed box, with its bottom extending into the furrow opener. A partition is located inside the seed box, dividing it into left and right seeding sections. A pair of left and right seeding wheels are rotatably mounted in each seeding section. The right seeding wheel has a shallow seeding groove, and the left seeding wheel has several deep seeding grooves evenly distributed. Baffles can be inserted into the seeding sections. The frame is equipped with a drive mechanism for synchronously rotating all the seeding wheels.
2. The small seeder as described in claim 1, characterized in that: The top of the trencher is a hollow fixed tube, and the bottom of the feed pipe extends into the fixed tube, with the bottom of the fixed tube fixed inside the trencher.
3. The small seeder as described in claim 2, characterized in that: The drive mechanism includes a drive shaft rotatably installed inside the seed box, and the drive shaft passes through all the seed boxes. Seeding wheels are fixedly installed on the drive shaft. A connecting shaft is rotatably provided on the frame. The two ends of the connecting shaft are provided with the walking wheels. The connecting shaft is provided with a drive sprocket and a driven sprocket. A chain is sleeved between the drive sprocket and the driven sprocket.
4. The small seeder as described in claim 3, characterized in that: Each planting section has a shallow groove on its top surface. A baffle is inserted into the shallow groove, and the tail of the baffle forms a handle with a stop at the front end of the handle.
5. A small seeder as described in claim 4, characterized in that: The trencher has a guide plate at its bottom opening facing the fixed pipe.