A random sampling device for crop seeds

Abstract

This application relates to the field of agricultural testing equipment and discloses a random sampling device for crop seeds, including an outer cylinder. A sampling assembly is disposed inside the outer cylinder. A limit cap is threaded to the upper end of the outer cylinder. A rotating block is disposed at the upper end of the sampling assembly. Three sets of feed holes are formed through the circumference of the outer cylinder. The sampling assembly includes a sampling rod and a limiting rod. Twelve sets of storage troughs are formed on the circumference of the sampling rod. The diameter of the storage troughs is the same as that of the feed holes. The rotating block is fixedly connected to the upper end of the limiting rod. This application has the following advantages and effects: by setting storage troughs of different heights, seeds at different levels can be sampled; the limiting block prevents the limiting rod from rotating arbitrarily, thus preventing the sampled seeds from spilling out; sampling seeds at different levels can reflect the overall condition of stored seeds, resulting in a low detection deviation rate.

Description

Technical Field

[0001] This application relates to the field of agricultural testing equipment technology, and in particular to a random sampling device for crop seeds. Background Technology

[0002] Quality testing of crop seeds is a crucial part of agricultural production. In the field of crop seed quality testing, the sampling process is a key prerequisite for determining the scientific validity of the test results. Its core requirement is that the sample must comprehensively reflect the quality characteristics of the entire batch of seeds. However, current crop seed sampling techniques have significant shortcomings, especially when dealing with sampling seeds under large-scale storage or transportation conditions.

[0003] Traditional sampling methods primarily rely on manual scooping or single-point sampling using simple tools, which completely fails to achieve stratified sampling. For example, in seed storage silos or transport vehicles, seeds naturally stratify due to gravity: the upper layer of seeds experiences less compression and has higher plumpness; the middle layer is in a transitional state; and the lower layer, due to prolonged pressure, is prone to breakage or morphological changes. Manual sampling typically only obtains seeds from the surface or shallow layer, resulting in samples that only reflect a local condition and cannot represent the overall quality of the batch, leading to a high bias rate in the test results.

[0004] Therefore, we propose a random sampling device for crop seeds to solve the above problems. Utility Model Content

[0005] The purpose of this application is to provide a random sampling device for crop seeds, which has the effect of stratified sampling.

[0006] The above-mentioned technical objective of this application is achieved through the following technical solution: a random sampling device for crop seeds, including an outer cylinder, a sampling component is provided inside the outer cylinder, a limit cap is threadedly connected to the upper end of the outer cylinder, a rotating block is provided at the upper end of the sampling component, a feed hole is provided through the circumferential side of the outer cylinder, and three sets of feed holes are provided, the sampling component includes a sampling rod and a limit rod, a storage trough is provided on the circumferential side of the sampling rod, and twelve sets of storage troughs are provided, the diameter of the storage trough is the same as that of the feed hole, and the rotating block is fixedly connected to the upper end of the limit rod.

[0007] By adopting the above technical solution, seeds can be placed inside storage tanks at different heights, thereby enabling sampling of seeds at different levels.

[0008] A further feature of this application is that a side block is fixedly connected to the periphery of the limiting cover, and a vertical plate is fixedly connected to the upper end of the side block.

[0009] By adopting the above technical solution, the installation of the upright panel can be facilitated.

[0010] A further feature of this application is that a sliding rod is slidably connected inside the upright plate, and a limiting block is fixedly connected to one end of the sliding rod near the limiting rod.

[0011] By adopting the above technical solution, the limiting block can be limited, allowing it to move laterally.

[0012] A further feature of this application is that: a limiting groove is provided on the peripheral side of the limiting rod, and four sets of limiting grooves are provided; the limiting grooves and the storage tank face the same direction; and the limiting block is slidably connected inside the limiting groove.

[0013] By adopting the above technical solution, when the limiting block is located inside the limiting groove, it can limit the limiting rod, thereby making the limiting rod less likely to rotate.

[0014] A further feature of this application is that a spring is sleeved on the periphery of the upright plate, and the spring is fixedly connected to the upright plate and the limiting block.

[0015] By adopting the above technical solution, the limiting block can be kept inside the limiting groove, and at the same time, the limiting block can be kept in a state of conformity with the inner wall of the limiting groove.

[0016] A further feature of this application is that a pull block is fixedly connected to the end of the slide bar away from the limiting block.

[0017] By adopting the above technical solution, the slide bar can be easily pulled, which in turn makes it convenient to pull the limit block.

[0018] A further feature of this application is that: an installation box is provided at the bottom of the outer cylinder, and a threaded joint is fixedly connected to the bottom of the outer cylinder, and the installation box is threadedly connected to the threaded joint.

[0019] By adopting the above technical solution, the installation and disassembly of the mounting box can be facilitated.

[0020] A further feature of this application is that a hemispherical block is fixedly connected to the bottom of the mounting box.

[0021] By adopting the above technical solution, it is easy to insert the device deep into the stored seeds.

[0022] A further feature of this application is that a motor is installed inside the mounting box, and an eccentric block is fixedly connected to the output end of the motor.

[0023] By adopting the above technical solution, the mounting box can be made to vibrate, thereby causing the entire device to vibrate.

[0024] A further feature of this application is that the mounting box has a battery slot inside, and there are two sets of battery slots. A conductive sheet is rotatably connected inside the mounting box via a hinge.

[0025] By adopting the above technical solution, it is easy to supply power to the motor.

[0026] This application includes at least one of the following beneficial technical effects:

[0027] 1. This application allows for sampling of seeds at different levels by setting storage tanks of different heights. The limiting block prevents the limiting rod from rotating arbitrarily, thus preventing the seeds from spilling after sampling. Sampling of seeds at different levels can reflect the overall condition of the stored seeds, resulting in a lower detection deviation rate.

[0028] 2. This application uses a motor to drive the eccentric block to rotate, which can cause the device to vibrate, thereby facilitating the entry of seeds into the storage tank and improving sampling efficiency. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a three-dimensional structural diagram of this embodiment.

[0031] Figure 2 yes Figure 1 A schematic diagram of the structure of the inner and outer cylinders and the limiting cover.

[0032] Figure 3 yes Figure 1 A schematic diagram of the sampling component.

[0033] Figure 4 yes Figure 1 A magnified structural diagram of part A in the middle.

[0034] Figure 5 yes Figure 1 A schematic diagram of the internal structure of the mounting box.

[0035] In the diagram, 1. Outer cylinder; 111. Threaded connector; 112. Feed hole; 2. Sampling assembly; 21. Sampling rod; 22. Limiting rod; 23. Storage tank; 24. Limiting groove; 3. Limiting cover; 4. Rotating block; 5. Side block; 6. Vertical plate; 7. Sliding rod; 8. Limiting block; 9. Spring; 10. Pulling block; 11. Mounting box; 12. Hemispherical block; 13. Motor; 14. Eccentric block; 15. Battery slot; 16. Conductive sheet. Detailed Implementation

[0036] The technical solution of this application will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0037] See Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 This application provides a random sampling device for crop seeds, including an outer cylinder 1, a sampling component 2 inside the outer cylinder 1, a limit cap 3 threadedly connected to the upper end of the outer cylinder 1, a rotating block 4 at the upper end of the sampling component 2, a feed hole 112 through the circumference of the outer cylinder 1, and three sets of feed holes 112, the sampling component 2 including a sampling rod 21 and a limit rod 22, a storage trough 23 through the circumference of the sampling rod 21, and twelve sets of storage troughs 23, the storage troughs 23 having the same diameter as the feed hole 112, and the rotating block 4 fixedly connected to the upper end of the limit rod 22.

[0038] Specifically, the limiting cover has a side block 5 fixedly connected to the side of its 3rd perimeter, and a vertical plate 6 is fixedly connected to the upper end of the side block 5.

[0039] Specifically, a sliding rod 7 is slidably connected inside the upright plate 6, and a limit block 8 is fixedly connected to one end of the sliding rod 7 near the limit rod 22.

[0040] Specifically, a limiting groove 24 is provided on the side of the limiting rod 22, and four sets of limiting grooves 24 are provided. The limiting grooves 24 and the storage tank 23 face the same direction. The limiting block 8 is slidably connected inside the limiting groove 24. The limiting rod 22 can be limited by the cooperation between the limiting block 8 and the limiting groove 24, thereby preventing the sampling rod 21 from moving randomly inside the outer cylinder 1.

[0041] Specifically, springs 9 are fitted around the sides of the upright plate 6, and springs 9 are fixedly connected to the upright plate 6 and the limiting block 8.

[0042] Specifically, a pull block 10 is fixedly connected to the end of the slide bar 7 away from the limit block 8.

[0043] Specifically, an installation box 11 is provided at the bottom of the outer cylinder 1, and a threaded connector 111 is fixedly connected to the bottom of the outer cylinder 1. The installation box 11 and the threaded connector 111 are threadedly connected.

[0044] Specifically, a hemispherical block 12 is fixedly connected to the bottom of the mounting box 11.

[0045] Specifically, the mounting box 11 contains a motor 13, and the output end of the motor 13 is fixedly connected to an eccentric block 14.

[0046] Specifically, the mounting box 11 has a battery slot 15 inside, and there are two sets of battery slots 15. The mounting box 11 is connected to a conductive sheet 16 through a hinge. The two sets of batteries installed inside the battery slot 15 can be connected in series through the conductive sheet 16. The bottom of the battery slot 15 is provided with a wire that is electrically connected to the motor 13.

[0047] With the above structure, the crop seed random sampling device provided in this application inserts the outer cylinder 1 into the stored seeds, so that the outer cylinder 1 is at a suitable depth in the seeds. Then, by aligning the storage troughs 23 in the same vertical column with the feed hole 112, the seeds can enter the storage troughs 23 in that vertical column from the feed hole 112. Then, the sampling rod 21 is rotated 45°. At this time, the outer cylinder 1 can seal the storage troughs 23 in that vertical column, so that the seeds can be kept inside the storage troughs 23. At this time, stratified sampling of seeds at different levels can be completed.

[0048] The spring force of spring 9 allows the limiting block 8 to be engaged in the limiting groove 24, preventing the limiting rod 22 from rotating arbitrarily. This prevents the sampled seeds from spilling due to the random rotation of the sampling rod 21. A No. 7 battery is installed in the battery compartment 15, and then the mounting box 11 is installed at the bottom of the outer cylinder 1. The conductive sheet 16 is then pressed against the battery by the threaded connector 111. Power is then supplied to the motor 13, which drives the eccentric block 14 to rotate. The rotation of the eccentric block 14 causes the mounting box 11 to vibrate, thus vibrating the entire device. This vibration facilitates the entry of seeds into the storage tank 23, and the structure facilitates seed sampling.

[0049] The above provides a detailed description of a random sampling device for crop seeds provided in this application. Specific embodiments have been used to illustrate the principles and implementation methods of this application. The descriptions of these embodiments are merely for the purpose of helping to understand the method and core ideas of this application. It should be noted that those skilled in the art can make various improvements and modifications to this application without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this application.

Claims

1. A random sampling device for crop seeds, characterized in that, The device includes an outer cylinder (1), a sampling assembly (2) is provided inside the outer cylinder (1), a limit cap (3) is threaded to the upper end of the outer cylinder (1), a rotating block (4) is provided at the upper end of the sampling assembly (2), a feed hole (112) is provided through the circumference of the outer cylinder (1), and three sets of feed holes (112) are provided. The sampling assembly (2) includes a sampling rod (21) and a limit rod (22). A storage trough (23) is provided on the circumference of the sampling rod (21), and twelve sets of storage troughs (23) are provided. The storage trough (23) has the same diameter as the feed hole (112). The rotating block (4) is fixedly connected to the upper end of the limit rod (22).

2. The random sampling device for crop seeds according to claim 1, characterized in that: The limiting cover (3) has a side block (5) fixedly connected to its periphery, and a vertical plate (6) is fixedly connected to the upper end of the side block (5).

3. The random sampling device for crop seeds according to claim 2, characterized in that: The upright plate (6) is slidably connected to a slide rod (7), and a limit block (8) is fixedly connected to one end of the slide rod (7) near the limit rod (22).

4. The random sampling device for crop seeds according to claim 3, characterized in that: The limiting rod (22) has a limiting groove (24) on its circumferential side, and there are four sets of limiting grooves (24). The limiting grooves (24) and the storage tank (23) face the same direction. The limiting block (8) is slidably connected inside the limiting groove (24).

5. A random sampling device for crop seeds according to claim 4, characterized in that: A spring (9) is fitted around the periphery of the upright plate (6), and the spring (9) is fixedly connected to the upright plate (6) and the limiting block (8).

6. The random sampling device for crop seeds according to claim 5, characterized in that: A pull block (10) is fixedly connected to the end of the slide bar (7) away from the limiting block (8).

7. A random sampling device for crop seeds according to claim 6, characterized in that: The bottom of the outer cylinder (1) is provided with an installation box (11), and the bottom of the outer cylinder (1) is fixedly connected with a threaded connector (111). The installation box (11) is threadedly connected to the threaded connector (111).

8. A random sampling device for crop seeds according to claim 7, characterized in that: A hemispherical block (12) is fixedly connected to the bottom of the mounting box (11).

9. A random sampling device for crop seeds according to claim 8, characterized in that: The mounting box (11) is equipped with a motor (13), and an eccentric block (14) is fixedly connected to the output end of the motor (13).

10. A random sampling device for crop seeds according to claim 9, characterized in that: The mounting box (11) has a battery slot (15) inside, and there are two sets of battery slots (15). The mounting box (11) is connected to a conductive sheet (16) by a hinge.

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