Sampling and preserving device for plant investigation

Abstract

The utility model relates to the technical field of plant sampling, and discloses a plant investigation sampling retention device which comprises a sampling tube, a cutting mechanism is arranged on the sampling tube, the cutting mechanism comprises a sampling conical head, the sampling conical head is fixedly connected to the sampling tube, a sampling cavity and a cutter cavity are formed in the sampling conical head, and the cutter cavity is arranged in the sampling conical head. Four arc-shaped fixing plates are fixedly connected into the sampling conical head, interception blades are slidably connected to the arc-shaped fixing plates, connecting plates are fixedly connected to the surfaces of the two sides of the interception blades, and springs are fixedly connected to the surfaces of one sides of the connecting plates. According to the sampling and preserving device for plant investigation, through the arrangement of the interception blade, the device can be rotated in the sampling process to enable the interception blade to conduct girdling on a sample, the sample can be pulled off more easily after girdling, and then the sample is preserved in the sample storage pipe, so that the effect that the sample is completely and stably taken out and preserved is achieved, and meanwhile the sample is prevented from being scratched.

Description

Technical Field

[0001] The utility model relates to the technical field of plant sampling, in particular to a plant investigation sampling and retention device. Background Art

[0002] Plant sampling is an important part of botanical research. It involves extracting a part of the sample from the plant community for analysis in order to understand the characteristics and status of the entire plant community. Plant sampling and analysis are of great significance for understanding the composition, structure and function of the plant community. In the process of plant sampling, a sampling retention device is required.

[0003] The utility model patent, granted with the authorization number CN218725437U, discloses a "plant core sampling device," comprising a hollow sampling rod, a rotating handle, and a mandrel. The front end of the hollow sampling rod is equipped with a sampling cone. This cone is shaped like a cone and has a spiral thread with a sharp outer edge. The inner surface of the cone is provided with inwardly angled, raised barbs that prevent withdrawal. This tree core sampling device, through the tightening and retaining design of the long rod end and the overall protection of the rod core sample, enables more stable and labor-saving tightening of trees, and a high success rate in extracting complete tree core samples.

[0004] However, the above-mentioned existing technical solutions still have the following shortcomings: the sampling cone head is provided with multiple anti-retraction barbs, which will cause the sample to be scratched by the barbs due to pulling during the process of taking the sample out of the plant, resulting in damage to the sample and affecting subsequent research. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a plant survey sampling and retention device that can stably, labor-savingly and with a high success rate remove complete tree core samples while avoiding scratching the samples.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] A plant survey sampling and retention device comprises a sampling tube, wherein the sampling tube is provided with a cutting mechanism;

[0008] The truncation mechanism includes a sampling cone head, which is fixedly connected to the sampling tube. A sampling cavity and a cutter cavity are provided in the sampling cone head. Four arc-shaped fixing plates are fixedly connected in the sampling cone head. A retaining blade is slidably connected to the arc-shaped fixing plate. Both side surfaces of the retaining blade are fixedly connected to a connecting plate. A spring is fixedly connected to one side surface of the connecting plate. The other end of the spring is fixedly connected to the inner surface of the arc-shaped fixing plate. A rotating tube is rotatably installed in the sampling cone head, and three rollers are rotatably installed on the inner wall of the rotating tube.

[0009] Preferably, a swivel is fixedly connected to the outer surface of the swivel tube, and a clamp is fixedly connected to the outer surface of the swivel.

[0010] Preferably, the outer surface of the sampling tube is fixedly connected to a limiting block, and the outer surface of the sampling tube is slidably mounted with a U-shaped slider.

[0011] Preferably, a square ring plate is fixedly connected to the sampling tube, and four rotating handles are fixedly connected to the square ring plate.

[0012] Preferably, a sample storage tube is placed in the arc-shaped fixing plate, and the curvature of the sample storage tube is adapted to the curvature of the arc-shaped fixing plate.

[0013] Preferably, a knife groove is provided on the arc-shaped fixing plate, and the size of the knife groove is adapted to the thickness of the intercepting blade.

[0014] Preferably, the front end of the sampling cone head is provided with an annular blade, and the size of the block is slightly smaller than that of the U-shaped slider.

[0015] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0016] First, through the setting of the cut-off mechanism, rotating the swivel can enable the roller to push the intercepting blade out to cut into the tree core sample, which can stably, labor-savingly and successfully remove the complete tree core sample with a high success rate while avoiding scratching the sample.

[0017] Second, by setting the card block, the limit block and the U-shaped slider, the rotation of the rotating tube can be limited in two directions, so that the roller can push out the intercepting blade and limit it stably, thereby improving the stability when taking out the tree core sample. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the decomposition of the utility model;

[0020] Figure 3 This is a front cross-sectional view of the cutting mechanism of the present invention;

[0021] Figure 4 This is a schematic diagram of the left side cross-section of the cutting mechanism of the utility model;

[0022] Figure 5 It is a schematic diagram of the overall cross-section of the utility model.

[0023] Wherein: 1. Sampling tube; 2. Truncation mechanism; 21. Sampling cone head; 22. Sampling cavity; 23. Cutter cavity; 24. Arc-shaped fixing plate; 25. Intercepting blade; 26. Connecting plate; 27. Spring; 28. Rotating tube; 29. Roller; 3. Rotating ring; 4. Block; 5. Limiting block; 6. C-shaped slider; 7. Rotating handle; 8. Sample storage tube. Specific embodiments

[0024] The following will further describe the specific embodiments of the present utility model in detail with reference to the accompanying drawings.

[0025] Please refer to Figure 1-5 , a plant survey sampling and retention device, including a sampling tube 1, and a truncation mechanism 2 is provided on the sampling tube 1;

[0026] The truncation mechanism 2 includes a sampling cone head 21, the sampling cone head 21 is fixedly connected to the sampling tube 1, a sampling cavity 22 and a cutter cavity 23 are opened in the sampling cone head 21, four arc-shaped fixing plates 24 are fixedly connected in the sampling cone head 21, an intercepting blade 25 is slidably connected to the arc-shaped fixing plates 24, connecting plates 26 are fixedly connected to both side surfaces of the intercepting blade 25, a spring 27 is fixedly connected to one side surface of the connecting plate 26, the other end of the spring 27 is fixedly connected to the inner side surface of the arc-shaped fixing plate 24, a rotating tube 28 is rotatably installed in the sampling cone head 21, and three rollers 29 are rotatably installed on the inner wall of the rotating tube 28.

[0027] Specifically, a rotating ring 3 is fixedly connected to the outer surface of the rotating tube 28, and a block 4 is fixedly connected to the outer surface of the rotating ring 3.

[0028] Through the above technical solution, the rotating tube 28 can be rotated by rotating the rotating ring 3.

[0029] Specifically, a limiting block 5 is fixedly connected to the outer surface of the sampling tube 1, and a C-shaped slider 6 is slidably installed on the outer surface of the sampling tube 1.

[0030] Through the above technical solution, when the block 4 rotates to a position corresponding to the C-shaped slider 6, the C-shaped slider 6 can be slid to engage with the block 4 to limit the block 4. Similarly, the limiting block 5 also limits the block 4.

[0031] Specifically, a square ring plate is fixedly connected to the sampling tube 1, and four rotating handles 7 are fixedly connected to the square ring plate.

[0032] Through the above technical solution, during sampling, the threaded sampling cone head 21 can be rotated into the tree trunk by rotating the rotating handle 7, which is convenient for sampling.

[0033] Specifically, a sample storage tube 8 is placed inside the arc-shaped fixing plate 24, and the radian of the sample storage tube 8 is adapted to the radian of the arc-shaped fixing plate 24.

[0034] Through the above technical solution, the sample can be stored in the sample storage tube 8 after being truncated.

[0035] Specifically, a knife groove is formed on the arc-shaped fixing plate 24, and the size of the knife groove is adapted to the thickness size of the intercepting blade 25.

[0036] Through the above technical solution, the intercepting blade 25 can move in the knife groove.

[0037] Specifically, a circular blade is provided at the front end of the sampling cone head 21, and the size of the clamping block 4 is slightly smaller than the size of the C-shaped slider 6.

[0038] Through the above technical solution, the setting of the circular blade can facilitate the sampling device to enter the interior of the tree trunk; through the setting that the size of the clamping block 4 is slightly smaller than the size of the C-shaped slider 6, it is convenient for the C-shaped slider 6 to slide and be clamped with the clamping block 4 to limit the clamping block 4.

[0039] During use, press the device firmly against the tree trunk and then rotate the rotating handle 7. After the device enters the interior of the tree trunk, rotate the rotating ring 3 to make the clamping block 4 reach the position corresponding to the C-shaped slider 6. Then slide the C-shaped slider 6 to engage it with the clamping block 4. While rotating the rotating ring 3, the rotating tube 28 rotates with the rotating ring 3, so that the roller 29 pushes out a part of the intercepting blade 25 to cut into the tree core sample. At the same time, the spring 27 is stretched. Then rotate the rotating handle 7 one circle to let the intercepting blade 25 cut the tree core sample in a circular shape. Then pull the whole device outwards for a certain distance, and break the tree core sample by the intercepting blade 25. The tree core sample falls into the sample storage tube 8. Pull out the sample storage tube 8 and seal the other end to obtain and retain the sample. Then rotate and screw out the whole device to complete the sampling work. Then slide the C-shaped slider 6 back to its original position to release the restriction on the rotating tube 28. Then rotate the rotating ring 3 to make the clamping block 4 fit with the limiting block 5, and the intercepting blade 25 returns to its original position under the action of the spring 27, which is convenient for the next sampling work.

[0040] Although the specific embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these specific embodiments without departing from the principle and spirit. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plant survey sampling and retention device, comprising a sampling tube (1), characterized in that: The sampling tube (1) is provided with a cut-off mechanism (2); The cutting mechanism (2) comprises a sampling cone head (21), which is fixedly connected to the sampling tube (1). A sampling cavity (22) and a cutter cavity (23) are provided in the sampling cone head (21). Four arc-shaped fixed plates (24) are fixedly connected in the sampling cone head (21). A retaining blade (25) is slidably connected to the arc-shaped fixed plate (24). Both side surfaces of the retaining blade (25) are fixedly connected to a connecting plate (26). A spring (27) is fixedly connected to one side surface of the connecting plate (26). The other end of the spring (27) is fixedly connected to the inner side surface of the arc-shaped fixed plate (24). A rotating tube (28) is rotatably installed in the sampling cone head (21), and three rollers (29) are rotatably installed on the inner wall of the rotating tube (28).

2. A plant survey sampling and storage device according to claim 1, characterized in that: The outer surface of the rotating tube (28) is fixedly connected to a rotating ring (3), and the outer surface of the rotating ring (3) is fixedly connected to a clamping block (4).

3. The plant survey sampling and storage device according to claim 1, characterized in that: The outer surface of the sampling tube (1) is fixedly connected to a limiting block (5), and the outer surface of the sampling tube (1) is slidably mounted with a U-shaped sliding block (6).

4. The plant survey sampling and storage device according to claim 1, characterized in that: A square ring plate is fixedly connected to the sampling tube (1), and four rotating handles (7) are fixedly connected to the square ring plate.

5. The plant survey sampling and storage device according to claim 1, characterized in that: A sample storage tube (8) is placed in the arc-shaped fixing plate (24), and the curvature of the sample storage tube (8) is adapted to the curvature of the arc-shaped fixing plate (24).

6. The plant survey sampling and storage device according to claim 1, characterized in that: The arc-shaped fixing plate (24) is provided with a knife groove, the size of which is adapted to the thickness of the intercepting blade (25).

7. The plant survey sampling and storage device according to claim 2, characterized in that: The front end of the sampling cone head (21) is provided with an annular blade, and the size of the clamping block (4) is slightly smaller than that of the U-shaped sliding block (6).

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