A soil sampling device

Abstract

The utility model discloses a soil sampling device, including the handle, the bottom fixedly connected with riser of handle, the outer wall of riser has established L type groove, the inner wall sliding connection of L type groove has the handle bar, one end fixedly connected with bulldozing bar of handle bar, the bottom fixed intercommunication of riser has the sampling drill, the bottom fixedly connected with bulldozing piece of bulldozing bar, the bottom fixedly connected with silica gel piece of bulldozing piece, the outer wall of sampling drill is equipped with the direction subassembly. The utility model discloses through the stable support of the bottom piece, cooperation sliding sleeve is along the direction movement of slide bar, avoids the problem of the inclination of sampling drill and causes by the hand power, ensures sampling drill vertical in -depth soil, guarantees actual sampling depth and target depth consistent, through setting up L type groove, bulldozing bar, bulldozing piece and silica gel piece, can even release pressure when bulldozing, avoids the extrusion or tearing of rigid contact to the soil aggregate structure.

Description

Technical Field

[0001] This utility model relates to the field of soil sampling technology, and in particular to a soil sampling device. Background Technology

[0002] In agronomy, soil sampling is an indispensable step, its importance manifesting in several aspects. Firstly, soil sampling helps farmers and agricultural managers understand key indicators such as soil nutrient status, pH value, and organic matter content, thus providing a basis for scientific fertilization and soil improvement. For example, soil sampling can identify deficient nutrients in the soil, thereby reducing yield loss or improving crop quality. Furthermore, soil test results can guide farmers on how to correctly apply fertilizers, lime, and other soil conditioners, avoiding over- or under-application.

[0003] In existing technologies, the topsoil (typically 0-20cm or 0-30cm deep) is the main area of ​​crop root activity and the core layer for soil fertility, nutrient transformation, and pollutant accumulation. Most agronomic sampling focuses on the topsoil. However, in traditional topsoil sampling, the sampling drill relies on the user's hand to control the direction, which is prone to tilting due to uneven force application or changes in soil resistance. This results in a large deviation between the actual sampling depth and the target depth, destroying the vertical stratification characteristics of the gradient soil and causing the sample to fail to accurately reflect the original state of each soil layer. Furthermore, the soil-pushing mechanism of the sampling drill is often a rigid metal rod in direct contact with the soil. The pressure is concentrated and unevenly released during pushing, which easily causes compression or tearing of the soil aggregate structure. Especially for gradient soils with high clay content or rich organic matter, problems such as sample breakage and stratification misalignment often occur, making it difficult to completely preserve the physical morphology and interface characteristics of each soil layer. Therefore, we propose a soil sampling device to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a soil sampling device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A soil sampling device includes a handle, a riser fixedly connected to the bottom of the handle, an L-shaped groove on the outer wall of the riser, a handle rod slidably connected to the inner wall of the L-shaped groove, a bulldozer rod fixedly connected to one end of the handle, a sampling drill fixedly connected to the bottom of the riser, a bulldozer blade fixedly connected to the bottom of the bulldozer rod, a silicone sheet fixedly connected to the bottom of the bulldozer blade, and a guide assembly on the outer wall of the sampling drill.

[0007] Preferably, the guide assembly includes two slide rods, and two sliding sleeves are fixedly connected to the outer wall of the sampling drill. The inner walls of the two sliding sleeves are slidably connected to the outer walls of the two slide rods respectively. The top of the two slide rods is fixedly connected to the same top plate, and the bottom of the two slide rods is fixedly connected to the same bottom plate. The outer wall of the bottom plate has a through hole. By setting the guide assembly, the sampling drill is assisted to move vertically downward, avoiding tilting during sampling.

[0008] Preferably, the outer wall of the grip is fixedly fitted with two rubber sleeves, which increases the anti-slip ability and the comfort when gripping.

[0009] Preferably, the bulldozer rod is located inside the riser, and the bulldozer blade and silicone pad are moved by the bulldozer rod.

[0010] Preferably, the outer wall of the bulldozer blade is slidably connected to the inner wall of the sampling drill.

[0011] Preferably, the outer wall of the top plate has a through hole, and the riser is located inside the through hole.

[0012] Preferably, the sampling drill is located at the top of the through hole and extends into the soil along the through hole.

[0013] Compared with the prior art, the advantages of this utility model are:

[0014] This solution uses a stable support plate and a sliding sleeve to move along the guide rod, avoiding the tilting problem caused by the sampling drill relying on manual force. This ensures that the sampling drill penetrates the soil vertically and that the actual sampling depth is consistent with the target depth. By setting up an L-shaped groove, bulldozer rod, bulldozer blade, and silicone sheet, pressure can be released evenly during bulldozing, avoiding the compression or tearing of soil aggregate structure by rigid contact. Attached Figure Description

[0015] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the specific embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a three-dimensional structural diagram of a soil sampling device proposed in this utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of a soil sampling device proposed in this utility model;

[0018] Figure 3 This utility model proposes a soil sampling device. Figure 2A magnified structural diagram of part A in the diagram.

[0019] In the diagram: 1. Handle; 2. Rubber sleeve; 3. Riser; 4. L-shaped groove; 5. Handle bar; 6. Bulldozer bar; 7. Sampling drill; 8. Bulldozer blade; 9. Sliding sleeve; 10. Sliding rod; 11. Top plate; 12. Through hole; 13. Bottom plate; 14. Through hole; 15. Silicone sheet. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0021] Depend on Figures 1-3 As shown, a soil sampling device is disclosed, including a handle 1. Two rubber sleeves 2 are fixedly fitted on the outer wall of the handle 1. The rubber sleeves 2 utilize the anti-slip and elastic properties of rubber material to increase the friction between the hand and the handle 1, thereby preventing the hand from slipping during sampling.

[0022] The bottom of the handle 1 is fixedly connected to the riser 3. The outer wall of the riser 3 is provided with an L-shaped groove 4. The inner wall of the L-shaped groove 4 is slidably connected to the handle 5. The L-shaped groove 4 plays a limiting and guiding role in the movement of the handle 5. When the handle 5 is located in the transverse section of the L-shaped groove 4, it can stably support the bulldozer rod 6 and prevent it from falling down on its own. When it moves along the longitudinal section, it can smoothly drive the bulldozer rod 6 to complete the bulldozing action, realizing the controllability and convenience of bulldozing operation.

[0023] One end of the handle 5 is fixedly connected to a bulldozer rod 6, which is located inside the riser 3. A sampling drill 7 is fixedly connected to the bottom of the riser 3. The tubular structure of the sampling drill 7 can completely enclose the soil column, reducing disturbance to the surrounding soil when it penetrates deep into the soil, and ensuring that the soil sample taken out is representative.

[0024] The bottom of the bulldozer rod 6 is fixedly connected to the bulldozer blade 8. The outer wall of the bulldozer blade 8 is slidably connected to the inner wall of the sampling drill 7. Driven by the bulldozer rod 6, the bulldozer blade 8 can move smoothly along the inner wall of the sampling drill 7 and push out the soil sample in the sampling drill 7 completely through planar thrust, avoiding sample residue. The bottom of the bulldozer blade 8 is fixedly connected to the silicone sheet 15.

[0025] The outer wall of the sampling drill 7 is provided with a guide assembly, which includes two slide rods 10. Two sliding sleeves 9 are fixedly connected to the outer wall of the sampling drill 7. The inner walls of the two sliding sleeves 9 are slidably connected to the outer walls of the two slide rods 10 respectively. The sliding sleeves 9 and the slide rods 10 cooperate to form a guide structure, which restricts the movement direction of the sampling drill 7 and ensures that it always maintains a vertical state when moving up and down, avoiding tilting.

[0026] The top of the two sliding rods 10 is fixedly connected to the same top plate 11. The outer wall of the top plate 11 has a through hole 12. The riser 3 is located inside the through hole 12. The bottom of the two sliding rods 10 is fixedly connected to the same bottom plate 13. The bottom plate 13 is placed on the flat soil and provides stable support through its own planar structure, which increases the overall contact area with the soil, disperses the pressure during sampling, and prevents sinking or tilting during the application of force. The outer wall of the bottom plate 13 has a through hole 14. The sampling drill 7 is located at the top of the through hole 14.

[0027] Working principle: When sampling the planting soil, place the substrate 13 on a relatively flat soil surface, positioning the sampling drill 7 above the soil to be sampled. As the user holds the two rubber sleeves 2 and applies vertical downward force, the sampling drill 7 moves downward. The substrate 13 provides support, and the sampling drill 7 moves downward along the two sliding rods 10 via the two sliding sleeves 9, improving the verticality of the sampling drill 7 and preventing it from tilting. After the sampling drill 7 penetrates deep into the soil, it is then lifted upward via the handle 1 and the riser 3, bringing out the sampling drill 7 containing the soil. Hold the lever 5 and move it upwards along the L-shaped groove 4 for a certain distance, then release the support of the L-shaped groove 4. Hold the lever 5 and continue to move downwards along the L-shaped groove 4, thereby driving the bulldozer 6 to move downwards. The downward movement of the bulldozer 6 drives the bulldozer blade 8 and the silica gel sheet 15 to move downwards. Since the silica gel sheet 15 is elastic, it can avoid direct rigid contact with the soil inside the sampling drill 7. When bulldozing, the pressure is evenly released by the elastic force of the silica gel sheet 15, pushing the soil out of the sampling drill 7 and then storing it in the existing sample bag. When sampling at multiple points continuously, the inside of the sampling drill 7 is cleaned with existing distilled water to avoid residual impurities.

[0028] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A soil sampling device, comprising a handle (1), characterized in that, The bottom of the handle (1) is fixedly connected to a riser (3), the outer wall of the riser (3) is provided with an L-shaped groove (4), the inner wall of the L-shaped groove (4) is slidably connected to a grip (5), one end of the grip (5) is fixedly connected to a bulldozer rod (6), the bottom of the riser (3) is fixedly connected to a sampling drill (7), the bottom of the bulldozer rod (6) is fixedly connected to a bulldozer blade (8), the bottom of the bulldozer blade (8) is fixedly connected to a silicone sheet (15), and the outer wall of the sampling drill (7) is provided with a guide component.

2. The soil sampling device according to claim 1, characterized in that, The guide assembly includes two slide rods (10), and two sliding sleeves (9) are fixedly connected to the outer wall of the sampling drill (7). The inner walls of the two sliding sleeves (9) are slidably connected to the outer walls of the two slide rods (10). The top of the two slide rods (10) is fixedly connected to the same top plate (11), and the bottom of the two slide rods (10) is fixedly connected to the same bottom plate (13). The outer wall of the bottom plate (13) is provided with a through hole (14).

3. The soil sampling device according to claim 1, characterized in that, The outer wall of the grip (1) is fixedly fitted with two rubber sleeves (2).

4. A soil sampling device according to claim 1, characterized in that, The bulldozer rod (6) is located inside the riser (3).

5. A soil sampling device according to claim 1, characterized in that, The outer wall of the bulldozer blade (8) is slidably connected to the inner wall of the sampling drill (7).

6. A soil sampling device according to claim 2, characterized in that, The outer wall of the top plate (11) is provided with a through hole (12), and the riser (3) is located inside the through hole (12).

7. A soil sampling device according to claim 2, characterized in that, The sampling drill (7) is located at the top of the through hole (14).

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