Hole type seed-metering device shell and hole type seed-metering device

By designing the cover plate of the hole-type seed metering device as a split structure, the problem of difficulty in disassembling and repairing the seed metering wheel or replacing the brush in the existing technology is solved, and more efficient disassembly and assembly operations are achieved.

CN224124620UActive Publication Date: 2026-04-17YINGSHANG COUNTY SHOUSONG AGRICULTURAL MACHINERY MANUFACTURING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YINGSHANG COUNTY SHOUSONG AGRICULTURAL MACHINERY MANUFACTURING CO LTD
Filing Date
2025-05-19
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

The existing hole-type seed metering device has a cover plate integrated with the seed inlet and seed outlet, which makes it difficult to disassemble and repair the seed metering wheel or replace the brush, thus affecting the efficiency of disassembly and assembly.

Method used

The seed inlet shell, seed outlet cover, and seed chamber cover are designed as separate units, which are detachably connected to the main shell. The seed chamber cover can be removed separately to replace or maintain the seed metering wheel or the rolling brush.

Benefits of technology

It simplifies the disassembly and assembly process, improves maintenance efficiency, and reduces operational difficulty.

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Abstract

The utility model provides a hole type seed-metering device shell and a hole type seed-metering device, the hole type seed-metering device shell comprises a main shell, a gearbox shell, a seed inlet shell, a seed leakage opening cover plate and a seed bin cover plate, the gearbox shell is detachably connected with the rear side of the main shell; the seed inlet shell, the seed leakage opening cover plate and the seed bin cover plate are respectively and detachably connected with the front side of the main shell; the seed inlet shell is arranged on the upper side of the seed bin cover plate, a seed inlet channel is defined between the seed inlet shell and the main shell, and the seed inlet channel is communicated with the seed discharging bin chamber; the seed leakage opening cover plate is arranged on the lower side of the seed bin cover plate, a seed leakage channel is formed between the seed leakage opening cover plate and the main shell, and the seed leakage channel is communicated with the seed discharging bin chamber. According to the hole type seed-metering device shell provided by the utility model, the seed inlet shell, the seed leakage opening cover plate and the seed bin cover plate adopt a split structure, so that when a seed-metering wheel or a rolling brush needs to be replaced, only the seed bin cover plate needs to be detached independently, and the operation is convenient.
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Description

Technical Field

[0001] This utility model relates to the field of seed metering technology, and in particular to a seed metering housing and a seed metering device for planting holes. Background Technology

[0002] The seed metering device is an agricultural machine used for precision seeding. Existing seed metering devices mainly consist of a seed metering housing, a seed inlet and a seed outlet on the housing, a seed metering wheel and a rolling brush installed inside the housing, and a gearbox that drives the seed metering wheel. However, the cover plate used to seal the seed chamber in existing seed metering housings is an integrated structure combined with the seed inlet and seed outlet. When it is necessary to disassemble and repair the seed metering wheel or replace the brush, the cover plate on one side of the seed metering housing must be completely removed, making the replacement and maintenance of the seed metering wheel and brush difficult and affecting the efficiency of disassembly and assembly. Utility Model Content

[0003] The primary objective of this invention is to provide a housing for a seed metering device that solves the problem of difficult operation when disassembling and repairing the seed metering wheel or replacing the brush in the prior art.

[0004] The second objective of this invention is to provide a hole-type seed metering device.

[0005] This utility model provides a seed metering device housing, including a main housing, a gearbox housing, a seed inlet housing, a seed outlet cover, and a seed chamber cover. The gearbox housing is detachably connected to the rear side of the main housing, forming a gearbox mounting cavity between the gearbox housing and the main housing. The seed inlet housing, the seed outlet cover, and the seed chamber cover are detachably connected to the front side of the main housing. The seed chamber cover and the main housing form a seed metering chamber for installing a seed metering wheel and a rolling brush. The seed inlet housing is located on the upper side of the seed chamber cover, and the seed inlet housing and the main housing enclose a seed inlet channel, which communicates with the seed metering chamber. The seed outlet cover is located on the lower side of the seed chamber cover, and the seed outlet cover and the main housing form a seed leakage channel, which communicates with the seed metering chamber.

[0006] According to the seed metering device housing provided by this utility model, the main housing includes a partition plate and an outer peripheral plate disposed on the outer ring of the partition plate. A plurality of first mounting holes are provided on the upper front side of the partition plate, and a plurality of seed inlet housing mounting holes corresponding to the first mounting holes are provided on the seed inlet housing. The corresponding first mounting holes and the seed inlet housing mounting holes are connected by first screws.

[0007] According to the seed meter housing provided by this utility model, a plurality of second mounting holes are provided in the middle of the front side of the partition plate, and a plurality of seed chamber cover plate mounting holes corresponding to the second mounting holes are provided on the seed chamber cover plate. The corresponding second mounting holes and the seed chamber cover plate mounting holes are connected by second screws.

[0008] According to the seed meter housing provided by this utility model, a plurality of third mounting holes are provided on the lower front side of the partition plate, and a plurality of seed leakage port cover plate mounting holes corresponding to the third mounting holes are provided on the seed leakage port cover plate. The corresponding third mounting holes and the seed leakage port cover plate mounting holes are connected by a third screw.

[0009] According to the seed metering device housing provided by this utility model, the seed inlet housing includes a seed inlet chamber with an upper opening, an upper cover plate, and a side cover plate. The upper cover plate and the side cover plate are integrally connected to the seed inlet chamber. The first mounting hole is provided on the side cover plate. An upper mounting hole is provided on the upper cover plate. A mounting opening corresponding to the upper cover plate is provided on the outer perimeter plate. A fourth mounting hole corresponding to the upper mounting hole is provided on the outer perimeter plate. The corresponding fourth mounting hole is connected to the upper mounting hole by a fourth screw. A seed outlet is also provided on the side cover plate.

[0010] According to the seed metering device housing provided by this utility model, the partition plate is respectively provided with a seed metering wheel drive shaft hole and a rolling brush drive shaft hole.

[0011] According to the seed meter housing provided by this utility model, a plurality of fifth mounting holes are provided on the rear side of the partition plate, and a plurality of gearbox housing mounting holes corresponding to the fifth mounting holes are provided on the gearbox housing, and the corresponding fifth mounting holes are connected to the gearbox housing mounting holes by fifth screws.

[0012] According to the seed meter housing provided by this utility model, a vertical mounting plate is also fixed on one side of the main housing, and the vertical mounting plate is provided with a plurality of connection holes.

[0013] According to the seed metering device housing provided by this utility model, the seed inlet housing, the seed outlet cover plate, and the seed chamber cover plate are all made of transparent material.

[0014] This utility model also provides a hole-type seed metering device, which includes the aforementioned hole-type seed metering device housing.

[0015] The seed metering device housing provided by this utility model has a split structure for the seed inlet housing, the seed outlet cover plate, and the seed chamber cover plate. The three parts can be detachably connected to the main housing. Therefore, when it is necessary to replace or maintain the seed metering wheel or the rolling brush inside the seed metering chamber, only the seed chamber cover plate needs to be removed. The operation is simple and convenient, and the efficiency of disassembly and assembly is improved. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is an exploded view of the housing of the hole-type seed metering device of this utility model;

[0018] Figure 2 This is a front view of the seed inlet shell of the hole-type seed metering device of this utility model;

[0019] Figure 3 This is a three-dimensional structural diagram of the seed inlet shell in the seed metering device housing of this utility model;

[0020] Figure 4 This is a schematic diagram of the second three-dimensional structure of the seed inlet shell in the seed metering device of this utility model;

[0021] Figure 5 This is a schematic diagram of the seed leakage port cover plate in the housing of the hole-type seed metering device of this utility model;

[0022] Figure 6 This is a schematic diagram of the seed bin cover plate in the housing of the hole-type seed metering device of this utility model;

[0023] Figure 7 This is a front view of the main housing of the hole-type seed metering device of this utility model;

[0024] Figure 8 This is a three-dimensional structural diagram of the main housing in the hole-type seed metering device of this utility model;

[0025] Figure 9 This is a schematic diagram of the assembly of the main housing and the gearbox housing mounting holes in the hole-type seed metering device housing of this utility model;

[0026] Figure 10 This is a schematic diagram of the structure of the hole-type seed metering device of this utility model;

[0027] Figure 11 This is an exploded view of the hole-type seed metering device of this utility model;

[0028] Figure 12 This is a schematic diagram of the seed metering wheel in the hole-type seed metering device of this utility model;

[0029] Figure 13 This is a schematic diagram of the assembly of the seed metering wheel in the hole-type seed metering device of this utility model;

[0030] Figure 14 This is a schematic diagram of the spring assembly in the hole-type seed metering device of this utility model.

[0031] Explanation of reference numerals in the attached figures:

[0032] 1. Main housing; 11. Partition plate; 12. Outer plate; 101. First mounting hole; 102. Second mounting hole; 103. Third mounting hole; 104. Mounting opening; 105. Fourth mounting hole; 106. Seed discharge groove; 107. Seed metering wheel drive shaft hole; 108. Rolling brush drive shaft hole;

[0033] 2. Gearbox housing; 201. Gearbox housing mounting holes;

[0034] 3. Seed inlet shell; 31. Seed inlet chamber; 32. Upper cover plate; 33. Side cover plate; 301. Seed inlet shell mounting hole; 302. Upper mounting hole; 303. Seed outlet;

[0035] 4. Seed sluice cover plate; 401. Seed sluice cover plate mounting holes;

[0036] 5. Seed bin cover; 501. Seed bin cover mounting holes; 502. Threaded holes;

[0037] 6. Vertical mounting plate; 601. Connecting holes;

[0038] 7. Seeding reel; 71. First reel body; 72. Second reel body; 73. Hole; 74. Spring; 701. Locking block; 702. First half-hole groove; 703. Locking groove; 704. Second half-hole groove;

[0039] 8. Adjust the handwheel. Detailed Implementation

[0040] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0041] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model 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 this utility model.

[0042] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified. Furthermore, the terms "installed," "connected," and "linked" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0043] like Figures 1 to 9 As shown, the seed metering device housing of this utility model embodiment includes a main housing 1, a gearbox housing 2, a seed inlet housing 3, a seed outlet cover 4, and a seed bin cover 5. The gearbox housing 2 is detachably connected to the rear side of the main housing 1 so that a gearbox mounting cavity can be formed between the gearbox housing 2 and the main housing 1, and the gearbox mounting cavity is used to install the gearbox.

[0044] The seed inlet shell 3, the seed outlet cover 4, and the seed chamber cover 5 are detachably connected to the front side of the main shell 1. A seed dispensing chamber is formed between the seed chamber cover 5 and the main shell 1, where seed dispensing wheels and rolling brushes are installed. The seed inlet shell 3 is located above the seed chamber cover 5, and the enclosure between the seed inlet shell 3 and the main shell 1 forms a seed inlet channel, which connects to the seed dispensing chamber. The seed outlet cover 4 is located below the seed chamber cover 5, and a seed leakage channel is formed between the seed outlet cover 4 and the main shell 1, which connects to the seed dispensing chamber.

[0045] The seed metering device housing of this utility model has a split structure for the seed inlet housing 3, the seed outlet cover 4, and the seed chamber cover 5. The three can be detachably connected to the main housing 1. Therefore, when it is necessary to replace or maintain the seed metering wheel or the rolling brush inside the seed metering chamber, it is only necessary to remove the seed chamber cover 5 separately. The operation is simple and convenient, and the efficiency of disassembly and assembly is improved.

[0046] In some embodiments of this utility model, the main housing 1 includes a partition plate 11 and an outer peripheral plate 12 disposed on the outer ring of the partition plate 11, so that an installation groove can be formed between the front side of the partition plate 11 and the outer peripheral plate 12, for cooperating with the seed inlet housing 3, the seed chamber cover plate 5 and the seed leakage outlet cover plate 4 to form a seed inlet channel, a seed discharge chamber and a seed leakage channel respectively.

[0047] The partition plate 11 has multiple first mounting holes 101 on its upper front side, and the seed inlet housing 3 has multiple seed inlet housing mounting holes 301 corresponding to the first mounting holes 101. The corresponding first mounting holes 101 and seed inlet housing mounting holes 301 are detachably connected by first screws.

[0048] The partition plate 11 has multiple second mounting holes 102 in the middle of its front side, and the seed bin cover plate 5 has multiple seed bin cover plate mounting holes 501 corresponding to the second mounting holes 102. The corresponding second mounting holes 102 and seed bin cover plate mounting holes 501 are detachably connected by second screws.

[0049] The partition plate 11 has multiple third mounting holes 103 on its lower front side, and the seed outlet cover plate 4 has multiple seed outlet cover plate mounting holes 401 corresponding to the third mounting holes 103. The corresponding third mounting holes 103 and seed outlet cover plate mounting holes 401 are detachably connected by third screws.

[0050] Specifically, the seed inlet housing 3 includes a seed inlet chamber 31 with an opening at the top, an upper cover plate 32, and a side cover plate 33. The upper cover plate 32 and the side cover plate 33 are integrally connected to the seed inlet chamber 31. A first mounting hole 101 is provided on the side cover plate 33. An upper mounting hole 302 is provided on the upper cover plate 32, and a mounting opening 104 corresponding to the upper cover plate 32 is provided on the outer plate 12. A fourth mounting hole 105 corresponding to the upper mounting hole 302 is also provided on the outer plate 12. During installation, the upper cover plate 32 is sealed at the mounting opening 104, and then the corresponding fourth mounting hole 105 is detachably connected to the upper mounting hole 302 using a fourth screw.

[0051] Among them, a seed leakage groove 106 is provided on the outer plate 12 at the position corresponding to the seed leakage port cover plate 4, which is used to cooperate with the seed leakage port cover plate 4 to form a seed leakage channel.

[0052] The side cover plate 33 is also provided with a seed outlet 303. After the seed metering device is used, the remaining seeds inside can be poured out through the seed outlet 303. A cover can also be detachably installed on the seed outlet 303 to seal the seed outlet 303 during use.

[0053] The partition plate 11 has multiple fifth mounting holes on its rear side, and the gearbox housing 2 has multiple gearbox housing mounting holes 201 corresponding to the fifth mounting holes. The corresponding fifth mounting holes and gearbox housing mounting holes 201 are detachably connected by fifth screws.

[0054] The partition plate 11 has a through-hole 107 for the seed metering wheel drive shaft and a through-hole 108 for the rolling brush drive shaft. The seed metering wheel drive shaft 107 is for the seed metering wheel drive shaft to pass through, and the seed metering wheel is mounted on the seed metering wheel drive shaft to drive the seed metering wheel to rotate. The rolling brush drive shaft 108 is for the rolling brush drive shaft to pass through, and the rolling brush is mounted on the rolling brush drive shaft to drive the rolling brush to rotate.

[0055] Specifically, a vertical mounting plate 6 is also fixed on one side of the main housing 1. The vertical mounting plate 6 has multiple connection holes 601 for connecting and installing with equipment such as seeders.

[0056] Specifically, the seed inlet shell 3, the seed outlet cover 4, and the seed chamber cover 5 can all be made of transparent material to facilitate a direct view of the seed dispensing situation. Of course, the seed inlet shell 3, the seed outlet cover 4, and the seed chamber cover 5 can also be made of opaque material.

[0057] like Figures 10 to 14 As shown, this utility model embodiment also provides a hole-type seed metering device, including the hole-type seed metering device housing of the above embodiment. Because this hole-type seed metering device uses the hole-type seed metering device housing of the above embodiment, it possesses all the advantages of the hole-type seed metering device housing of the above embodiment, thereby improving the performance of the hole-type seed metering device.

[0058] The seed metering device also includes a seed metering wheel 7 and an adjusting handwheel 8. The seed metering wheel 7 includes a first wheel body 71 and a second wheel body 72 that cooperate with each other. On the outer circumferential surface of the first wheel body 71, there are multiple staggered locking blocks 701 and first half-hole grooves 702. On the outer circumferential surface of the second wheel body 72, there are multiple staggered locking slots 703 and second half-hole grooves 704. Each locking block 701 can be engaged and fixed with each locking slot 703 so that each first half-hole groove 702 can correspond to each second half-hole groove 704 to form multiple equally spaced holes 73.

[0059] The first wheel body 71 has a hexagonal shaft hole at its center that matches the seed metering wheel drive shaft, allowing the drive shaft to rotate the first wheel body 71. The second wheel body 72 has a circular hole at its center for the end of the seed metering wheel drive shaft to pass freely, allowing it to rotate synchronously with the first wheel body 71. A spring 74 is installed between the first wheel body 71 and the second wheel body 72, fitted onto the seed metering wheel drive shaft. Adjusting the compression state of the spring 74 adjusts the distance between the two wheels, thereby adjusting the size of the seed hole 73. The seed bin cover plate 5 has a threaded hole 502 for threaded engagement with the adjusting handwheel 8, allowing the stud end of the adjusting handwheel 8 to pass through the threaded hole 502 and abut against the outer end face of the second wheel body 72. Therefore, by rotating the adjusting handwheel 8, the compression state of the second wheel 72 can be adjusted to adjust the distance between the first wheel 71 and the second wheel 72, thereby achieving the adjustment of the size of the hole 73.

[0060] The hole-type seed metering device of this embodiment can maximize the diameter of the seed metering wheel within a limited space to increase the number of holes, thereby reducing the rotation speed of the seed metering wheel during operation and increasing stability.

[0061] In use, the seeds enter the seed inlet channel through the upper opening of the seed inlet shell 3, and then enter the seed metering chamber. Due to the contact between the rolling brush and the seed metering wheel, the seed metering wheel and the rolling brush work together to achieve single-seed equidistant seeding in the pit.

[0062] This embodiment of the hole-type seed metering device ensures that the seed metering chamber is always full of seeds, allowing them to easily enter the holes even when the seed metering wheel is rotating at high speed. The seed metering wheel is easily replaceable, enabling the sowing of various crops by changing different wheel types. This embodiment of the hole-type seed metering device can achieve sowing at a speed of 8 kilometers per hour, more than twice the agricultural machinery certification standard, significantly increasing the sowing speed in farmland and providing equipment support for the rapid planting of crops.

[0063] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model 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 therein. 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 this utility model.

Claims

1. A cell opener housing, characterized in that, The device includes a main housing, a gearbox housing, a seed inlet housing, a seed outlet cover, and a seed chamber cover. The gearbox housing is detachably connected to the rear side of the main housing, forming a gearbox mounting cavity between them. The seed inlet housing, the seed outlet cover, and the seed chamber cover are detachably connected to the front side of the main housing. The seed chamber cover and the main housing form a seed dispensing chamber for mounting a seed dispensing wheel and a rolling brush. The seed inlet housing is located on the upper side of the seed chamber cover, forming a seed inlet channel with the main housing. This seed inlet channel communicates with the seed dispensing chamber. The seed outlet cover is located on the lower side of the seed chamber cover, forming a seed leakage channel with the main housing. This seed leakage channel communicates with the seed dispensing chamber.

2. The cell housing of claim 1, wherein, The main housing includes a partition plate and an outer peripheral plate disposed on the outer ring of the partition plate. A plurality of first mounting holes are provided on the upper front side of the partition plate. A plurality of inlet housing mounting holes corresponding to the first mounting holes are provided on the inlet housing. The corresponding first mounting holes and the inlet housing mounting holes are connected by first screws.

3. The cell housing of claim 2, wherein, A plurality of second mounting holes are provided in the middle of the front side of the partition plate, and a plurality of seed bin cover plate mounting holes corresponding to the second mounting holes are provided on the seed bin cover plate. The corresponding second mounting holes and the seed bin cover plate mounting holes are connected by second screws.

4. The cell housing of claim 2, wherein, A plurality of third mounting holes are provided on the lower front side of the partition plate, and a plurality of seed leakage port cover plate mounting holes corresponding to the third mounting holes are provided on the seed leakage port cover plate. The corresponding third mounting holes and the seed leakage port cover plate mounting holes are connected by a third screw.

5. The cell housing of claim 2, wherein, The seed inlet housing includes a seed inlet chamber with an opening at the top, an upper cover plate, and a side cover plate. The upper cover plate and the side cover plate are integrally connected to the seed inlet chamber. The first mounting hole is provided on the side cover plate. An upper mounting hole is provided on the upper cover plate. A mounting opening corresponding to the upper cover plate is provided on the outer perimeter plate. A fourth mounting hole corresponding to the upper mounting hole is provided on the outer perimeter plate. The corresponding fourth mounting hole is connected to the upper mounting hole by a fourth screw. A seed outlet is also provided on the side cover plate.

6. The cell housing of claim 2, wherein, The partition plate is provided with a seed metering wheel drive shaft hole and a rolling brush drive shaft hole respectively.

7. The cell housing of claim 2, wherein, Multiple fifth mounting holes are provided on the rear side of the partition plate, and multiple gearbox housing mounting holes corresponding to the fifth mounting holes are provided on the gearbox housing. The corresponding fifth mounting holes are connected to the gearbox housing mounting holes by fifth screws.

8. The cell housing of claim 1, wherein, A vertical mounting plate is also fixed on one side of the main housing, and the vertical mounting plate is provided with multiple connection holes.

9. The cell housing of claim 1, wherein, The seed inlet shell, the seed outlet cover, and the seed chamber cover are all made of transparent material.

10. A furrow opener characterized by Includes the housing of the seed metering device as described in any one of claims 1 to 9.