Seed random sampling device

By designing a rotating cylinder and four inlets on the inner cylinder in the seed sampling device, and utilizing the squeezing mechanism and rubber blocks for limiting, the problems of low sampling efficiency and poor practicality of existing devices are solved, achieving efficient and stable random sampling of seeds.

CN224066430UActive Publication Date: 2026-03-31WUHAN WENDING AGRI BIOTECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing seed sampling devices suffer from low sampling efficiency and poor practicality, especially since the fixed slot is only on one side, making it impossible to sample seeds completely randomly.

Method used

By designing a rotating cylinder and inner cylinder, setting four-sided inlets, and through the cooperation of an extrusion mechanism and rubber blocks, the inlets are staggered, closed, and limited to prevent seeds from falling out, thereby improving sampling efficiency and randomness.

Benefits of technology

This technology enables efficient random sampling of seeds, improves sampling efficiency and the practicality of the device, prevents seeds from falling out, and ensures that seeds can enter the storage chamber evenly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a seed random sampling device which comprises a device body, the device body comprises an inner cylinder and a rotating cylinder, a fixing rod is fixedly arranged at the center of the top of the inner cylinder, and the rotating cylinder is rotationally arranged on the outer side of the inner cylinder through a rotating pipe. The first inlet and the second inlet are staggered through rotation adjustment of the rotating pipe and the rotating cylinder, the first inlet is conveniently sealed through the rotating cylinder, seeds can be prevented from falling off, and therefore the sampling efficiency of the seeds is improved, and the first inlet and the second inlet are formed in the four sides of the inner cylinder and the rotating cylinder correspondingly. Random sampling of the seeds is facilitated; a movable rod is extruded by a pressing rod and a cross rod, so that the movable rod rotates in an inner cavity, a rotating pipe is extruded through a rubber block, friction between the rubber block and the inner wall of the rotating pipe is conveniently increased, the rotating pipe and a rotating cylinder are limited, crop seeds are prevented from falling off due to rotation of the rotating cylinder, and the practicability of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of seed random sampling, in particular to a kind of seed random sampling device. BACKGROUND

[0002] The quality of crop seeds directly affects the production and yield of crops, so it is necessary to sample and screen crop seeds.

[0003] The Chinese utility model patent with publication number CN220136710U proposes a crop seed random sampling device, which includes a cylinder and a vertical pipe. The bottom of the vertical pipe is fixedly connected with a convex circle. The inside of the vertical pipe is provided with a partition. The inside of the vertical pipe is fixedly connected with a guide rod on both sides of the bottom of the inner wall. The surface of the guide rod is fixedly connected with the inside of the partition. The inside of the cylinder is placed with crop seeds. The inside of the vertical pipe is provided with a power assembly that can lift and clamp the crop seeds. The surface of the vertical pipe is provided with a fixed groove for the crop seeds to enter the inside of the vertical pipe. When adjusting the moving plate, the crop seeds between the partitions are squeezed out from the inside of the fixed groove, and multiple sampling is required, which reduces the sampling and screening efficiency. Moreover, the fixed groove is only provided on one side, and the crop seeds can only enter the device from one side, which cannot completely randomly sample, reducing the practicability of the device.

[0004] Therefore, the utility model provides a kind of seed random sampling device. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model aims to provide a seed random sampling device to solve the problems raised in the background art. The utility model adjusts the rotation of the rotating cylinder so that the first inlet and the second inlet are mutually staggered. It is convenient to close the first inlet by rotating the cylinder, which can prevent the seeds from falling, thereby improving the sampling efficiency of the seeds. Moreover, the first inlet and the second inlet are respectively arranged on the four sides of the inner cylinder and the rotating cylinder, which facilitates random sampling of the seeds, thereby improving the practicability of the device.

[0006] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical scheme: a seed random sampling device, comprising a device body, the device body comprising an inner cylinder and a rotating cylinder, a fixed rod is fixedly arranged at the top center position of the inner cylinder, the rotating cylinder is rotationally arranged outside the inner cylinder through a rotating pipe, the rotating pipe is fixedly arranged at the top of the rotating cylinder, first inlets are equidistantly arranged on the four sides of the inner cylinder, second inlets are equidistantly arranged on the four sides of the rotating cylinder, a storage cavity is equidistantly arranged inside the inner cylinder, an extrusion mechanism is arranged inside the top end of the fixed rod, the extrusion mechanism comprises a movable rod and a rubber block.

[0007] Further, the top of the fixed rod is fixedly provided with a handle, and the rotating pipe is limitingly and rotatably installed outside the fixed rod.

[0008] Further, the top of the fixed rod is fixedly provided with a handle, and the rotating pipe is limitingly and rotatably installed outside the fixed rod.

[0009] Further, the pressing mechanism further comprises a pressing rod, and the pressing rod is limitingly and slidably installed at the bottom of one end of the handle.

[0010] Further, one side of the pressing rod is fixedly provided with a cross rod, and one end of the cross rod is slidably installed inside the top of the fixed rod and abuts against the top of the movable rod.

[0011] Further, a through hole is formed in the top of the fixed rod and corresponds to the position of the rotating pipe, and the rubber block is slidably installed inside the through hole.

[0012] Further, one end of the rubber block is fixedly connected with the bottom of the movable rod, and a spring is fixedly arranged between the bottom of the movable rod and the inner wall of the inner cavity.

[0013] Further, the first inlet and the second inlet are arranged outside the storage cavity, and the bottom of the inner cylinder is provided with a tapered tip.

[0014] The beneficial effects of the present application are as follows: the seed random sampling device adjusts the rotation of the rotating pipe and the rotating cylinder, so that the first inlet and the second inlet are mutually staggered, the first inlet is closed by the rotating cylinder, the seed falling is prevented, the sampling efficiency of the seed is improved, the first inlet and the second inlet are arranged on the four sides of the inner cylinder and the rotating cylinder, the random sampling of the seed is facilitated, the movable rod is rotated in the inner cavity and the rotating pipe is extruded by the rubber block through the extrusion of the pressing rod and the cross rod on the movable rod, the friction between the rubber block and the inner wall of the rotating pipe is increased, the rotating pipe and the rotating cylinder are limited, the rotating cylinder is prevented from rotating to make the crop seed fall, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural view of the seed random sampling device of the present application;

[0016] Figure 2 It is a front view of the seed random sampling device of the present application;

[0017] Figure 3 It is a side view of the seed random sampling device of the present application; Figure 2 It is an enlarged view of A in the figure;

[0018] Figure 4The utility model relates to a rotating cylinder structure diagram of a seed random sampling device.

[0019] Figure 5 The utility model relates to an inner cylinder structure diagram of a seed random sampling device.

[0020] In the figure: 1, inner cylinder, 2, rotating cylinder, 3, fixed rod, 4, rotating pipe, 5, handle, 6, extrusion mechanism, 7, first import, 8, second import, 9, storage cavity, 10, press bar, 11, movable rod, 12, inner chamber, 13, rubber block. Specific embodiment

[0021] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0022] Please refer to Figures 1 to 5 The utility model provides a technical scheme: a seed random sampling device, including device body, the device body includes inner cylinder 1 and rotating cylinder 2, the top center position of inner cylinder 1 is fixedly provided with fixed rod 3, rotating cylinder 2 is rotationally arranged at the outside of inner cylinder 1 by rotating pipe 4, and rotating pipe 4 is fixedly arranged at the top of rotating cylinder 2, the four sides of equal distance of inner cylinder 1 are provided with first import 7, the four sides of equal distance of rotating cylinder 2 are provided with second import 8, the inside of inner cylinder 1 is provided with storage cavity 9 of equal distance, the inside of the top end of fixed rod 3 is provided with extrusion mechanism 6, and extrusion mechanism 6 includes movable rod 11 and rubber block 13, by the rotation adjustment of rotating pipe 4, rotating cylinder 2, first import 7, second import 8 are conveniently staggered, first import 7 is conveniently closed to rotating cylinder 2, prevents the crop seed inside storage cavity 9 from falling, can improve the sampling efficiency of the device, and by the limiting of the extrusion mechanism 6 set 6, rotating pipe 4 and rotating cylinder 2 can be limited, prevent rotating cylinder 2 and rotating pipe 4 from autorotation.

[0023] The top of the fixed rod 3 is provided with a handle 5, the rotating pipe 4 is limitingly rotatably installed outside the fixed rod 3, the inside of the top end of the fixed rod 3 is provided with an inner cavity 12, the movable rod 11 is rotatably installed in the inner cavity 12 through the shaft rod arranged at the middle position, the pressing mechanism 6 further comprises a pressing rod 10, the pressing rod 10 is limitingly and slidably installed at the bottom of one end of the handle 5, one side of the pressing rod 10 is fixedly provided with a cross rod, one end of the cross rod is slidably arranged in the inside of the top end of the fixed rod 3 and abuts and contacts the top end of the movable rod 11, the inside of the upper end of the fixed rod 3 is provided with a through hole at the position corresponding to the rotating pipe 4, the rubber block 13 is slidably installed in the inside of the through hole, one end of the rubber block 13 is fixedly connected with the bottom end of the movable rod 11, and the spring is fixedly arranged between the bottom end of the movable rod 11 and the inner wall of the inner cavity 12, the handle 5 is arranged to facilitate holding the device, the pressing rod 10 is pressed, the pressing rod 10 extrudes the movable rod 11 through the cross rod, the movable rod 11 rotates in the inner cavity 12 through the shaft rod, and the rubber block 13 is extruded, so that the rotating pipe 4 is limited, thereby improving the stability of the rotating cylinder 2, preventing the rotating cylinder 2 from rotating, and the spring can reset the movable rod 11 and the rubber block 13, facilitating the rotation adjustment of the rotating cylinder 2 and the rotating pipe 4, and facilitating the subsequent discharge of crop seeds.

[0024] In the embodiment, the first inlet 7 and the second inlet 8 are arranged outside the storage cavity 9, the bottom end of the inner cylinder 1 is provided with a tapered tip, when the first inlet 7 and the second inlet 8 are opposite, the storage cavity 9 is communicated with the outside, which facilitates the crop seeds to enter the inside of the storage cavity 9 and facilitates the random sampling of the crop seeds.

[0025] When the random sampling device is used, the rotating pipe 4 is rotated, the rotating pipe 4 drives the rotating cylinder 2 to rotate outside the inner cylinder 1, and the rotating pipe 4 drives the second inlet 8 to rotate, adjusts the second inlet 8 to the position opposite to the first inlet 7, so that the storage cavity 9 is communicated with the outside through the first inlet 7 and the second inlet 8, holds the handle 5, and extrudes the pressing rod 10, the pressing rod 10 extrudes the movable rod 11 through the cross rod, the movable rod 11 rotates inside the inner cavity 12 through the shaft rod and drives the rubber block 13 to extrude the inner wall of the rotating pipe 4, so as to improve the friction between the rubber block 13 and the rotating pipe 4, improve the stability of the rotating pipe 4 and the rotating cylinder 2, and prevent the rotating pipe 4 and the rotating cylinder 2 from rotating, the device is inserted into the crop seeds through the conical tip, the crop seeds enter the inside of the storage cavity 9 through the second inlet 8 and the first inlet 7 on the four sides, the pressing rod 10 is released, the movable rod 11 drives the rubber block 13 to rotate reversely and separate from the inner wall of the rotating pipe 4 under the elastic force of the spring, the rotating pipe 4 and the rotating cylinder 2 are rotated, so that the first inlet 7 and the second inlet 8 are mutually staggered, the first inlet 7 is closed through the rotating cylinder 2, the seed falling is prevented, the sampling efficiency of the seed is improved, and the random sampling of the seed is facilitated; after the adjustment is completed, the pressing rod 10 is continuously pressed, the movable rod 11 is extruded by the pressing rod 10 and the cross rod, so that the movable rod 11 rotates inside the inner cavity 12 and extrudes the rotating pipe 4 through the rubber block 13, the friction between the rubber block 13 and the inner wall of the rotating pipe 4 is facilitated, so that the rotating pipe 4 and the rotating cylinder 2 are limited, the rotating cylinder 2 is prevented from rotating to make the crop seeds fall, and the practicability of the device is improved.

[0026] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A seed random sampling device comprising a device body, characterised in that, The device body comprises an inner cylinder (1) and a rotating cylinder (2), a fixed rod (3) is fixedly arranged at the top center position of the inner cylinder (1), the rotating cylinder (2) is rotatably arranged outside the inner cylinder (1) through a rotating pipe (4), the rotating pipe (4) is fixedly arranged at the top of the rotating cylinder (2), first inlets (7) are equidistantly arranged on the four sides of the inner cylinder (1), second inlets (8) are equidistantly arranged on the four sides of the rotating cylinder (2), a storage cavity (9) is equidistantly arranged inside the inner cylinder (1), an extrusion mechanism (6) is arranged inside the top end of the fixed rod (3), and the extrusion mechanism (6) comprises a movable rod (11) and a rubber block (13).

2. A seed random sampling device according to claim 1, wherein: A handle (5) is fixedly arranged at the top of the fixed rod (3), and the rotating pipe (4) is limitingly rotatably installed outside the fixed rod (3).

3. A seed random sampling device according to claim 2, wherein: An inner cavity (12) is formed in the inside of the top end of the fixed rod (3), and the movable rod (11) is rotatably installed in the inner cavity (12) through a shaft rod arranged at the middle position.

4. A seed random sampling device according to claim 3, wherein: The extrusion mechanism (6) further comprises a pressing rod (10), and the pressing rod (10) is limitingly and slidably installed at the bottom of one end of the handle (5).

5. A seed random sampling device according to claim 4, wherein: A cross rod is fixedly arranged on one side of the pressing rod (10), one end of the cross rod is slidably arranged in the inside of the top end of the fixed rod (3) and abuts against the top end of the movable rod (11).

6. A seed random sampling device according to claim 5, wherein: A through hole is formed in the inside of the upper end of the fixed rod (3) corresponding to the position of the rotating pipe (4), and the rubber block (13) is slidably installed in the inside of the through hole.

7. A seed random sampling device according to claim 6, wherein: One end of the rubber block (13) is fixedly connected with the bottom end of the movable rod (11), and a spring is fixedly arranged between the bottom end of the movable rod (11) and the inner wall of the inner cavity (12).

8. The seed random sampling device of claim 1, wherein: The first inlets (7) and the second inlets (8) are arranged outside the storage cavity (9), and a tapered tip is arranged at the bottom end of the inner cylinder (1).

Citation Information

Patent Citations

  • Crop seed random sampling device

    CN220136710U