A soil microplastic pollution survey sampling tool

Abstract

This utility model discloses a soil microplastic pollution investigation and sampling tool, belonging to the field of soil pollution investigation technology. It includes a handle, a connecting rod fixedly connected to the center of the bottom of the handle, a first groove on the lower part of the surface of the connecting rod, a soil sampling sleeve fixedly connected to the bottom of the connecting rod, a sleeve cutting edge at the bottom of the soil sampling sleeve, and a sealing plate fixedly connected to the top of the soil sampling sleeve. A second groove is opened in the center of the top of the sealing plate. The soil sampling part, composed of the handle, connecting rod, penetration pedal, soil sampling sleeve, limiting block, and sealing plate, and the soil-topping part, composed of the top plate, ribs, limiting teeth, and top pedal, are both made of stainless steel. This material eliminates the problem of ordinary materials potentially releasing microplastics that could interfere with soil microplastic detection, ensuring the accuracy and reliability of the detection results.

Description

Technical Field

[0001] This utility model relates to the field of soil pollution investigation technology, and more specifically, to a soil microplastic pollution investigation sampling tool. Background Technology

[0002] Soil microplastic pollution survey sampling refers to the process of collecting soil samples from different types of soil environments using scientific methods and specific tools to obtain information on the types, quantities, and distribution of microplastics in the soil, providing basic data for assessing the potential risks of microplastics to soil ecosystems and human health;

[0003] Existing technologies do not fully consider the impact of sampling tool materials on soil microplastic pollution surveys. Tools may release microplastics, interfering with the detection of the true content of soil microplastics and leading to biased survey results. In addition, the existing technology has an unreasonable structural design, making the assembly and disassembly process complicated, inconvenient for daily maintenance, and cumbersome in operation, increasing the difficulty and time cost for sampling personnel. Utility Model Content

[0004] The main technical problem solved by this utility model is to provide a soil microplastic pollution investigation and sampling tool that can solve the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, according to one aspect of this utility model, more specifically, a soil microplastic pollution investigation and sampling tool includes a handle, a connecting rod fixedly connected to the middle of the bottom of the handle, a first groove provided on the lower part of the surface of the connecting rod, a soil sampling sleeve fixedly connected to the bottom of the connecting rod, a sleeve cutting foot provided at the bottom of the soil sampling sleeve, a sealing plate fixedly connected to the top of the soil sampling sleeve, a second groove provided in the middle of the top of the sealing plate, a limit stop provided between the second groove and the penetration pedal, two limit stops in total, a scale provided on the outer wall of the soil sampling sleeve, a movable soil-lifting rod provided inside the soil sampling sleeve, a soil-lifting plate fixedly connected to the bottom of the soil-lifting rod, a rib fixedly connected to the top of the soil-lifting plate, and a soil-lifting pedal fixedly connected to the top of the rib.

[0006] Furthermore, the rib is fixedly connected to the top of the top soil plate and the bottom of the top soil rod, and a limiting tooth is fixedly connected to the upper part of the outer wall of the top soil rod, the limiting tooth being located between two limiting blocks.

[0007] Furthermore, the top of the sealing plate is provided with a third groove, and the outer wall of the soil-collecting sleeve is provided with a fourth groove. The third groove is connected to the fourth groove and the second groove respectively.

[0008] Furthermore, an opening is provided on one side of the penetrating pedal. The opening is arc-shaped, and the inner diameter of the opening matches the outer diameter of the connecting rod.

[0009] Furthermore, the handle, connecting rod, penetration pedal, soil-taking sleeve, limiting block, and sealing plate constitute the soil-taking part of the sampling tool, while the top soil plate, rib plate, limiting teeth, and top soil pedal constitute the top soil part of the sampling tool. Both the soil-taking part and the top soil part are made of stainless steel.

[0010] Furthermore, the inner diameters of the first, third, and fourth slots are the same, the widths of the ribs and limiting teeth are the same, the inner diameter of the first slot matches the width of the ribs, and the inner diameter of the second slot matches the outer diameter of the top soil rod.

[0011] The beneficial effects of this utility model's soil microplastic pollution survey sampling tool are as follows:

[0012] The soil sampling tool, consisting of a handle, connecting rod, penetration pedal, soil sampling sleeve, limiting block, and sealing plate, and the soil-topping tool, consisting of a top plate, rib plate, limiting teeth, and top pedal, are both made of stainless steel. This material eliminates the problem of ordinary materials potentially releasing microplastics that could interfere with soil microplastic detection, thus ensuring the accuracy and reliability of the test results.

[0013] By opening slots in the sealing plate and connecting rod, the length of the soil sampling sleeve can be fully utilized. The slots in the sealing plate serve as sliding channels for the top soil rod and limit its movement. The slots in the lower part of the connecting rod allow the top soil part to move fully upward during sampling until the upper surface of the top soil plate is in contact with the lower surface of the sealing plate, thereby fully utilizing the length advantage of the soil sampling sleeve and improving sampling efficiency and quality.

[0014] By inserting the self-sampling sleeve with the limiting tooth facing upwards, simultaneously sliding the limiting tooth upwards through the fourth slot and moving it out through the third slot at the sealing plate, then aligning the upper edge of the rib plate with the lower edge of the sleeve's cutting edge, rotating the top soil rod to align the rib plate with the fourth slot, and then fixing the limiting tooth between the two limiting blocks, the sampling tool is assembled. For disassembly, the sleeve's cutting edge faces downwards, then the upper edge of the rib plate is aligned with the lower edge of the sleeve's cutting edge, and the top soil rod is rotated to align the limiting tooth with the third slot on the sealing plate. Finally, it is pulled downwards to remove the tool. This sampling tool can be assembled and disassembled through simple insertion, rotation, and alignment operations, greatly improving work efficiency. This assembly and disassembly design facilitates cleaning and maintenance of the tool after field sampling, and also makes it convenient for storage and transportation, effectively reducing the risk of tool damage. Attached Figure Description

[0015] The present invention will now be described in further detail with reference to the accompanying drawings and specific implementation methods.

[0016] Figure 1 This is an overall schematic diagram of a soil microplastic pollution investigation and sampling tool according to the present invention;

[0017] Figure 2 This is a schematic diagram showing the maximum sampling depth of a soil microplastic pollution investigation sampling tool according to this utility model;

[0018] Figure 3 This is an enlarged schematic diagram of part A of a soil microplastic pollution investigation and sampling tool according to the present invention;

[0019] Figure 4 This is an enlarged schematic diagram of part B of a soil microplastic pollution investigation and sampling tool according to the present invention;

[0020] Figure 5 This is a partial schematic diagram of the soil sampling sleeve of a soil microplastic pollution investigation and sampling tool according to the present invention;

[0021] Figure 6 This is a schematic diagram of the top soil rod of a soil microplastic pollution investigation and sampling tool according to this utility model.

[0022] In the diagram: 1. Handle; 2. Connecting rod; 3. First slot; 4. Limiting block; 5. Penetration pedal; 6. Sealing plate; 7. Second slot; 8. Third slot; 9. Soil-taking sleeve; 10. Fourth slot; 11. Sleeve cutting edge; 12. Scale; 13. Limiting tooth; 14. Soil-lifting rod; 15. Soil-lifting plate; 16. Rib plate; 17. Soil-lifting pedal. Detailed Implementation

[0023] To make the technical solution of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0024] Example 1

[0025] like Figures 1-6As shown, according to one aspect of this utility model, a soil microplastic pollution investigation sampling tool is provided, including a handle 1, a connecting rod 2 fixedly connected to the middle of the bottom of the handle 1, a first groove 3 provided on the lower part of the surface of the connecting rod 2, a soil sampling sleeve 9 fixedly connected to the bottom of the connecting rod 2, a sleeve cutting foot 11 provided at the bottom of the soil sampling sleeve 9, a sealing plate 6 fixedly connected to the top of the soil sampling sleeve 9, a second groove 7 provided in the middle of the top of the sealing plate 6, a limit stop 4 provided between the second groove 7 and the penetration pedal 5, two limit stops 4 in total, a scale 12 provided on the outer wall of the soil sampling sleeve 9, a movable soil-lifting rod 14 provided inside the soil sampling sleeve 9, a soil-lifting plate 15 fixedly connected to the bottom of the soil-lifting rod 14, a rib plate 16 fixedly connected to the top of the soil-lifting plate 15, and a soil-lifting pedal 17 fixedly connected to the top of the rib plate 16. The handle 1 is fixedly connected to the connecting rod 2. This design makes it easy for the operator to control the tool and greatly improves the stability and convenience of operation. During sampling, the sleeve blade 11 at the bottom of the soil sampling sleeve 9 allows the tool to cut into the soil more easily, improving soil sampling efficiency. In addition, the sealing plate 6 at the top of the soil sampling sleeve 9 and the second hole groove 7 in the middle, together with the limiting block 4, can limit and guide the soil lifting rod 14, ensuring that the soil lifting rod 14 moves stably inside the soil sampling sleeve 9. Then, the scale 12 on the outer wall of the soil sampling sleeve 9 makes it easy to accurately grasp the soil sampling depth and improve the sampling accuracy. After the soil sampling operation is completed, the movable soil lifting rod 14 inside the soil sampling sleeve 9, as well as the soil lifting plate 15, rib plate 16 and soil lifting pedal 17 connected to the soil lifting rod 14, can easily push the collected soil sample out from the soil sampling sleeve 9 to complete the sampling operation.

[0026] In this embodiment, the rib plate 16 is fixedly connected to the top of the top of the topsoil plate 15 and the lower part of the topsoil rod 14. The upper part of the outer wall of the topsoil rod 14 is fixedly connected to the limiting tooth 13, which is located between two limiting blocks 4. The rib plate 16 is fixedly connected to the top of the topsoil plate 15 and the lower part of the topsoil rod 14. This connection method provides a stable support structure for the topsoil rod 14 and the topsoil plate 15, so that during the topsoil process, the topsoil plate 15 can stably bear and transmit the force of the topsoil rod 14, ensuring the continuity and stability of the topsoil action. The limiting tooth 13 fixed to the upper part of the outer wall of the topsoil rod 14, together with the two limiting blocks 4 located on both sides, plays a key limiting role. The cooperation between the limiting tooth 13 and the limiting blocks 4 restricts the movement range of the topsoil rod 14, ensuring that the topsoil rod 14 moves within the specified stroke and avoiding over- or under-topsoil.

[0027] In this embodiment, the top of the sealing plate 6 is provided with a third slot 8, and the outer wall of the soil sampling sleeve 9 is provided with a fourth slot 10. The third slot 8 is connected to the fourth slot 10 and the second slot 7 respectively, providing a basis for precise cooperation between the various components of the sampling tool. During assembly, it facilitates the installation of the soil-lifting part, allowing the limiting teeth 13 on the soil-lifting rod 14 to accurately fall between the two limiting blocks 4 through the third slot 8, thus completing the assembly. During use, it helps the soil-lifting part to move smoothly. When the soil-lifting rod 14 slides in the second slot 7, the connection between the third slot 8 and the fourth slot 10 allows the rib plate 16 to cooperate with the soil-lifting action in the appropriate position, ensuring stable and efficient soil-lifting operation, thereby improving the overall performance and work efficiency of the sampling tool.

[0028] In this embodiment, an opening is provided on one side of the penetration pedal 5. The opening is arc-shaped, and the inner diameter of the opening matches the outer diameter of the connecting rod 2. This allows the penetration pedal 5 to tightly surround the connecting rod 2. When the sampling personnel step on the penetration pedal 5, it ensures that the penetration pedal 5 is stable and does not shake. This allows the applied pressure to be stably transmitted to the soil sampling sleeve 9, helping it to penetrate the soil smoothly and improving the stability and efficiency of the soil sampling operation.

[0029] In this embodiment, the handle 1, connecting rod 2, penetration pedal 5, soil sampling sleeve 9, limiting block 4, and sealing plate 6 constitute the soil sampling part of the sampling tool, while the top soil plate 15, rib plate 16, limiting tooth 13, and top soil pedal 17 constitute the top soil part of the sampling tool. Both the soil sampling part and the top soil part are made of stainless steel. Stainless steel has good corrosion resistance, which can effectively resist the erosion of various chemicals in the soil, extend the service life of the tool, and reduce the cost of frequent tool replacement. At the same time, its material stability is high, and it will not easily deform or be damaged in complex field sampling environments, ensuring that each component always maintains a precise fit and ensuring the smooth operation of the sampling operation. In addition, stainless steel itself does not release microplastics, avoiding contamination of soil samples and obtaining purer and more accurate soil samples, providing reliable data support for soil microplastic pollution investigation.

[0030] In this embodiment, the inner diameters of the first slot 3, the third slot 8, and the fourth slot 10 are identical, as are the widths of the rib plate 16 and the limiting teeth 13. The inner diameter of the first slot 3 matches the width of the rib plate 16, and the inner diameter of the second slot 7 matches the outer diameter of the top soil rod 14. This precise matching ensures a tight fit between the top soil part and the sampling part. During assembly, the rib plate 16 and the limiting teeth 13 can smoothly pass through each slot, accurately position themselves, and complete the assembly. During use, the stable fit between the components allows the top soil rod 14 to move freely in the second slot 7, while the rib plate 16 can slide stably in the fourth slot 10 in conjunction with the top soil rod 14. This ensures a smooth and efficient top soil action, reduces component shaking or jamming, and improves the stability and reliability of the sampling tool, thereby enabling more accurate and efficient completion of soil microplastic pollution investigation sampling.

[0031] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A soil microplastic pollution investigation sampling tool comprising a handle (1), characterised in that: A connecting rod (2) is fixedly connected to the middle of the bottom of the handle (1). A first groove (3) is provided on the lower part of the surface of the connecting rod (2). A soil-taking sleeve (9) is fixedly connected to the bottom of the connecting rod (2). A sleeve cutting foot (11) is provided at the bottom of the soil-taking sleeve (9). A sealing plate (6) is fixedly connected to the top of the soil-taking sleeve (9). A second groove (7) is opened in the middle of the top of the sealing plate (6). A limit block (4) is provided between the second groove (7) and the penetration pedal (5). There are two limit blocks (4). A scale (12) is provided on the outer wall of the soil-taking sleeve (9). A movable soil-lifting rod (14) is provided inside the soil-taking sleeve (9). A soil-lifting plate (15) is fixedly connected to the bottom of the soil-lifting rod (14). A rib plate (16) is fixedly connected to the top of the soil-lifting plate (15). A soil-lifting pedal (17) is fixedly connected to the top of the rib plate (16).

2. A soil microplastics pollution investigation sampling tool according to claim 1, characterized in that: The rib plate (16) is fixedly connected to the top of the top soil plate (15) and the lower part of the top soil rod (14). The upper part of the outer wall of the top soil rod (14) is fixedly connected to the limiting tooth (13), which is located between two limiting blocks (4).

3. The soil microplastics pollution investigation sampling tool according to claim 1, wherein: The top of the sealing plate (6) is provided with a third groove (8), and the outer wall of the soil-collecting sleeve (9) is provided with a fourth groove (10). The third groove (8) is connected to the fourth groove (10) and the second groove (7) respectively.

4. The soil microplastics pollution investigation sampling tool according to claim 1, wherein: An opening is provided on one side of the infeed pedal (5), the opening is arc-shaped, and the inner diameter of the opening matches the outer diameter of the connecting rod (2).

5. The soil microplastics pollution investigation sampling tool according to claim 1, wherein: The handle (1), connecting rod (2), penetration pedal (5), soil-taking sleeve (9), limiting block (4), and sealing plate (6) constitute the soil-taking part of the sampling tool, and the top soil plate (15), rib plate (16), limiting tooth (13), and top soil pedal (17) constitute the top soil part of the sampling tool. Both the soil-taking part and the top soil part are made of stainless steel.

6. The soil microplastics pollution investigation sampling tool according to claim 3, characterized in that: The inner diameters of the first slot (3), the third slot (8), and the fourth slot (10) are the same, and the widths of the rib plate (16) and the limiting tooth (13) are the same. The inner diameter of the first slot (3) matches the width of the rib plate (16), and the inner diameter of the second slot (7) matches the outer diameter of the top soil rod (14).

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