A soil collection device

Abstract

This utility model discloses a soil sampling device, relating to the field of soil testing technology. The soil sampling device includes a sampling bracket and a sampling cylinder that can move up and down inside the sampling bracket. A drive screw for driving downward pressure is installed on the top of the sampling cylinder. The drive screw is threadedly connected to the top of the sampling bracket, and a connecting mechanism is provided between the sampling cylinder and the drive screw. This soil sampling device rotates the drive screw to move the sampling cylinder downwards. At this time, the sampling cylinder passes through a positioning sleeve and spirals downwards into the soil for sampling. This avoids situations where the soil is too hard to allow for proper downward pressure sampling, and also facilitates direct replacement of the sampling cylinder without the need for on-site sample removal, saving sampling time and preventing subsequent samples from being contaminated by previously sampled samples.

Description

Technical Field

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

[0002] When conducting soil testing, multiple sampling points are usually selected, samples are collected, and then the collected samples are brought back to the laboratory for testing. This process usually requires the use of a sampling device.

[0003] Traditional sampling devices involve welding a long handle to the top of a sampling tube, pressing the handle downwards to insert the sampling tube into the soil for sampling, and then pulling it out to remove the soil inside the sampling tube.

[0004] Traditional sampling devices are difficult to operate due to several drawbacks. First, they are hard to press down on hard soil, making operation difficult and laborious. Second, after collecting the sample, the sampling tube needs to be lifted upwards and placed into a storage container, which delays sampling time and may contaminate subsequent samples. To address these issues, we propose a soil sampling device. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model discloses a soil sampling device to solve the problems mentioned in the background art. On the one hand, traditional sampling devices are difficult to press down on hard soil, making operation difficult and laborious. On the other hand, after collecting samples, the sampling tube needs to be lifted upwards and then placed into a storage container, which delays sampling time and may cause contamination of subsequent samples.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a soil collection device, comprising:

[0009] A sampling bracket and a sampling cylinder that can move up and down inside the sampling bracket;

[0010] The top of the sampling cylinder is equipped with a drive screw for driving downward pressure, and the drive screw is threadedly connected to the top of the sampling bracket;

[0011] A connecting mechanism is provided between the sampling cylinder and the drive screw, and the connecting mechanism includes:

[0012] Connecting seat and triangular locking blocks located on both sides inside the connecting seat;

[0013] A locking spring is disposed between two sets of triangular locking blocks;

[0014] The bottom end of the connector is movably inserted into the top of the sampling tube, and the triangular locking block is movably locked into the inner side wall of the connector.

[0015] Preferably, a foot pedal is fixedly connected to the bottom of the sampling bracket, and multiple positioning posts are fixedly welded to the bottom of the foot pedal.

[0016] Preferably, a positioning sleeve is fixedly welded to the top of the foot pedal, and the sampling tube is movably inserted into the inside of the positioning sleeve.

[0017] Preferably, the sampling tube includes a tube body and a toothed drill bit integrally formed in the tube body. The top of the tube body is provided with an assembly groove, and the inner side wall of the assembly groove is provided with a slot. The triangular block is movably engaged in the slot, and the bottom of the assembly groove is provided with a connecting groove for pushing out the soil sample.

[0018] Preferably, the connecting seat has movable L-shaped pressure rods on both sides inside, the triangular block is fixedly connected to the bottom end of the L-shaped pressure rod, a positioning shaft is movably inserted between the two sets of L-shaped pressure rods, and the locking spring is movably sleeved on the outer surface of the positioning shaft.

[0019] Preferably, a threaded sleeve is fixedly connected to the top of the sampling bracket, the drive screw is threaded inside the threaded sleeve, and a handle is installed at the top of the drive screw.

[0020] This utility model discloses a soil collection device, which has the following beneficial effects:

[0021] 1. This soil sampling device involves holding a sampling tube, which is installed at the bottom of a connecting base. Holding the handle, the foot pedal is placed at the sampling position on the ground and stepped on with both feet. At this time, the positioning column is inserted into the soil. Then, the handle is rotated clockwise, causing the drive screw to move downward spirally inside the threaded sleeve. At this time, the drive screw drives the sampling tube to rotate downward through the connecting mechanism. The sampling tube passes through the positioning sleeve and moves downward spirally into the soil for sampling, thus avoiding the inability to complete the downward sampling due to the soil being too hard.

[0022] 2. In this soil sampling device, after sampling is completed, the two sets of L-shaped pressure rods are pressed towards the center, which compresses the locking spring and drives the two sets of triangular blocks to move out of the slot. At this time, the sampling tube is pulled out from the bottom of the connecting seat, which facilitates direct replacement of the sampling tube without the need to remove the sample on site, saving sampling time and avoiding contamination of subsequent samples by the previously sampled samples. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 This is a schematic diagram of the overall bottom structure of this utility model;

[0025] Figure 3 This is a cross-sectional view of the internal structure of the sampling tube of this utility model;

[0026] Figure 4 This is a schematic diagram of the connection mechanism of this utility model.

[0027] In the diagram: 1. Foot pedal; 2. Sampling bracket; 3. Threaded sleeve; 4. Drive screw; 5. Sampling cylinder; 51. Cylinder body; 52. Toothed drill bit; 53. Assembly slot; 54. Slot; 6. Handle; 7. Positioning pin; 8. Connecting mechanism; 81. Connecting seat; 82. L-shaped pressure bar; 83. Triangular locking block; 84. Locking spring; 85. Positioning shaft; 9. Positioning sleeve. Detailed Implementation

[0028] This utility model discloses a soil collection device, such as... Figure 1-4 As shown, it includes:

[0029] Sampling bracket 2 and sampling cylinder 5, which can move up and down and is located inside sampling bracket 2;

[0030] The top of the sampling cylinder 5 is equipped with a drive screw 4 for driving downward pressure, and the drive screw 4 is threadedly connected to the top of the sampling bracket 2;

[0031] A connecting mechanism 8 is provided between the sampling cylinder 5 and the drive screw 4. The connecting mechanism 8 includes:

[0032] Connecting base 81 and triangular locking blocks 83 disposed on both sides inside the connecting base 81;

[0033] Locking spring 84 is located between two sets of triangular latches 83;

[0034] The bottom end of the connecting seat 81 is movably inserted into the top of the sampling tube 5, and the triangular locking block 83 is movably locked into the inner side wall of the connecting seat 81.

[0035] See attached document Figure 4 The bottom of the sampling bracket 2 is fixedly connected to a foot pedal 1. Multiple positioning posts 7 are fixedly welded to the bottom of the foot pedal 1. The foot pedal 1 is placed on the sampling position on the ground and then stepped on with both feet. At this time, the positioning posts 7 are inserted into the soil to prevent the foot pedal 1 from rotating during sampling.

[0036] See attached document Figure 2 A positioning sleeve 9 is fixedly welded to the top of the foot pedal 1, and the sampling tube 5 is movably inserted into the inside of the positioning sleeve 9.

[0037] See attached document Figure 3The sampling tube 5 includes a tube body 51 and a toothed drill bit 52 integrally formed in the tube body 51. An assembly groove 53 is provided on the top of the tube body 51. A slot 54 is provided on the inner side wall of the assembly groove 53. A triangular locking block 83 is movably engaged in the inside of the slot 54. A connecting groove for pushing out the soil sample is provided at the bottom of the assembly groove 53.

[0038] See attached document Figure 4 The connecting seat 81 has movable L-shaped pressure rods 82 on both sides inside. Triangular blocks 83 are fixedly connected to the bottom of the L-shaped pressure rods 82. A positioning shaft 85 is movably inserted between the two sets of L-shaped pressure rods 82. A locking spring 84 is movably sleeved on the outer surface of the positioning shaft 85. Pressing the two sets of L-shaped pressure rods 82 toward the center compresses the locking spring 84 and drives the two sets of triangular blocks 83 to move out of the slot 54. At this time, the sampling tube 5 is pulled out from the bottom of the connecting seat 81.

[0039] See attached document Figure 4 The top of the sampling bracket 2 is fixedly connected to a threaded sleeve 3, and the drive screw 4 is threadedly connected inside the threaded sleeve 3. A handle 6 is installed at the top of the drive screw 4. Rotating the handle 6 clockwise causes the drive screw 4 to move downward spirally inside the threaded sleeve 3.

[0040] Working principle:

[0041] In use, the sampling tube 5 is held by hand and inserted into the bottom outer surface of the connecting seat 81, causing the triangular locking block 83 to be pressed towards the center. At this time, the locking spring 84 is compressed. When the bottom of the connecting seat 81 is fully inserted into the assembly groove 53, the triangular locking block 83 is facing the groove 54. Under the action of the locking spring 84, the triangular locking block 83 is automatically inserted into the groove 54, completing the assembly of the sampling tube 5.

[0042] Then, holding handle 6, place foot pedal 1 on the sampling position on the ground and step on it with both feet. At this time, positioning post 7 is inserted into the soil. Then, rotate handle 6 clockwise so that drive screw 4 moves downward spirally inside threaded sleeve 3. At this time, drive screw 4 drives sampling cylinder 5 to rotate downward through connecting mechanism 8. At this time, sampling cylinder 5 passes through positioning sleeve 9 and spirals down into the soil for sampling.

[0043] After the sampling tube 5 is fully inserted into the soil, turn the handle 6 counterclockwise to make the drive screw 4 move upward in a spiral motion, and drive the sampling tube 5 to move upward. At this time, the sampling tube 5 is removed from the soil and takes out the sampled soil. Then, press the two sets of L-shaped pressure rods 82 towards the middle to compress the locking spring 84, and at the same time, drive the two sets of triangular locking blocks 83 to move out of the slot 54. At this time, the sampling tube 5 is pulled out from the bottom of the connecting seat 81, and the sampling is completed.

[0044] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A soil sampling device, comprising: Sampling bracket (2) and sampling tube (5) that can move up and down inside the sampling bracket (2); The sampling cylinder (5) is characterized in that a driving screw (4) for driving downward pressure is installed on the top of the sampling cylinder (5), and the driving screw (4) is threadedly connected to the top end of the sampling bracket (2). A connecting mechanism (8) is provided between the sampling cylinder (5) and the driving screw (4), and the connecting mechanism (8) includes: Connecting seat (81) and triangular locking blocks (83) disposed on both sides inside the connecting seat (81); A locking spring (84) is disposed between two sets of triangular blocks (83); The bottom end of the connecting seat (81) is movably inserted into the inner top of the sampling tube (5), and the triangular locking block (83) is movably locked into the inner side wall of the connecting seat (81).

2. The soil sampling device according to claim 1, characterized in that: The bottom end of the sampling bracket (2) is fixedly connected to a foot pedal (1), and multiple positioning posts (7) are fixedly welded to the bottom of the foot pedal (1).

3. A soil sampling device according to claim 2, characterized in that: The top of the foot pedal (1) is fixedly welded with a positioning sleeve (9), and the sampling tube (5) is movably inserted into the inside of the positioning sleeve (9).

4. A soil sampling device according to claim 1, characterized in that: The sampling tube (5) includes a tube body (51) and a toothed drill bit (52) integrally formed on the tube body (51). The top of the tube body (51) is provided with an assembly groove (53). The inner side wall of the assembly groove (53) is provided with a slot (54). The triangular block (83) is movably engaged inside the slot (54). The bottom of the assembly groove (53) is provided with a connecting groove for pushing out the soil sample.

5. A soil sampling device according to claim 1, characterized in that, The connecting seat (81) has movable L-shaped pressure rods (82) on both sides inside. The triangular block (83) is fixedly connected to the bottom end of the L-shaped pressure rod (82). A positioning shaft (85) is movably inserted between the two sets of L-shaped pressure rods (82). The locking spring (84) is movably sleeved on the outer surface of the positioning shaft (85).

6. A soil sampling device according to claim 1, characterized in that: The top of the sampling bracket (2) is fixedly connected to a threaded sleeve (3), the drive screw (4) is threadedly connected inside the threaded sleeve (3), and a handle (6) is installed on the top of the drive screw (4).

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