Sampling device for plant extraction

Abstract

The utility model relates to the technical field of sampling devices, in particular to a sampling device for plant extraction, which comprises a sampling tube, a needle head is connected to the bottom end of the sampling tube, an observation window is arranged on the surface of the sampling tube, and a drawing rod is inserted into the top end of the sampling tube. The threaded ring connected to the bottom end of the limiting sleeve is rotationally connected to the outer wall of the top end of the sampling tube to limit the control ring, then the sampling tube connected to the bottom end of the needle head is inserted into a plant rhizome, and then the control ring is pulled to drive the drawing rod and the sealing gasket to move at the same time; the sampling pipe is arranged on the surface of the sampling pipe, so that the sampling pipe extracts liquid in plant rhizomes, the liquid enters the sampling pipe, and the observation window arranged on the surface of the sampling pipe is used for observing the liquid in real time and checking whether impurities exist in the liquid or not, so that plants are sampled, and the situation that the amount of extracted liquid and whether impurities exist in the liquid or not cannot be observed is avoided; the sampling accuracy is influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to sampling device technical field, concretely is a kind of sampling device for plant extraction. BACKGROUND

[0002] The main role of plant extraction sampler is to collect and analyze plant samples for subsequent chemical composition analysis and research, which plays an important role in plant science research, agricultural production and plant pathology research, and can help researchers understand the physiological state, growth and disease of plants, and through specific sampler, the required tissue or liquid sample such as root system, leaf, juice can be accurately extracted from plants, so that the chemical composition in plant sample can be analyzed to determine whether the plant is attacked by disease or the nutrition is sufficient, which simplifies the process of plant research and improves the efficiency and convenience of research.

[0003] When the existing plant extraction sampling device is used, the plant extraction sampling device extracts the required tissue or liquid sample from the plant, but the existing sampling device cannot observe the amount of extracted liquid and whether there are impurities inside the liquid, which affects the sampling accuracy. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of plant extraction sampling device to solve the problem that the existing sampling device cannot observe the amount of extracted liquid and whether there are impurities inside the liquid, which affects the sampling accuracy as proposed in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme, a kind of plant extraction sampling device, including sampling tube:

[0006] The bottom end of the sampling tube is connected with a needle, the surface of the sampling tube is provided with an observation window, the inside of the top end of the sampling tube is inserted with a pull rod, the bottom end of the pull rod is connected with a sealing gasket, the top end of the pull rod is connected with a control ring, the outer wall of the control ring is sleeved with a limiting sleeve, and the surface of the bottom end of the limiting sleeve is connected with a threaded ring.

[0007] Preferably, the pull rod is inserted into the needle and is slidingly connected with the sampling tube, and the material of the observation window is transparent.

[0008] Preferably, the limiting sleeve is abutted to the surface of the top end of the sampling tube, the surface of the limiting sleeve is provided with a through hole, and the top end of the pull rod is inserted into the through hole of the limiting sleeve.

[0009] Preferably, the top end of the sampling tube is provided with a thread on the outer surface, and the sampling tube and the threaded ring are rotationally connected by the thread.

[0010] Preferably, the control ring is connected with a fixed rod on both sides, the inner surface of the fixed rod is connected with a torsion spring on both sides, one end of the torsion spring is connected with a movable block, and the bottom end of the movable block is connected with a supporting rod.

[0011] Preferably, the surface of one end of the fixed rod is provided with a receiving groove, one end of the torsion spring is connected to one side of the inner wall of the receiving groove of the fixed rod, and the fixed rod and the movable block are elastically connected through the torsion spring.

[0012] Preferably, the top end surface of the limiting sleeve is provided with a groove on both sides, and the fixed rod is inserted into the groove of the limiting sleeve.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] By rotating the threaded ring connected to the bottom end of the limiting sleeve on the outer wall of the top end of the sampling pipe, the control ring is limited, then the sampling pipe connected to the bottom end of the needle is inserted into the plant rhizome, then the control ring is pulled to drive the pull rod and the sealing gasket to move at the same time, so that the sampling pipe extracts the liquid in the plant rhizome, and the liquid enters the inside of the sampling pipe, and the observation window arranged on the surface of the sampling pipe is used for observing the liquid in real time to check whether the liquid contains impurities, so that the plant is sampled, and the problem that the amount of extracted liquid and whether the liquid contains impurities cannot be observed is avoided, and the sampling accuracy is affected.

[0015] By rotating the supporting rod, the movable block is rotated in the receiving groove of the fixed rod, and the torsion spring connected to the two sides of the movable block is twisted, so that the supporting rod connected to the bottom end of the movable block is rotated at the same time, the supporting rod is rotated to the two sides of the control ring, the control ring is more easily gripped and moved when moving, and when the control ring does not need to be moved, the movable block and the supporting rod are reset by the torsion spring, so that the movable block and the supporting rod are retracted, and the adjusting effect of the supporting rod is realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure front view of the utility model;

[0017] Figure 2 It is a structure front view of the utility model;

[0018] Figure 3 It is a structure front view of the utility model;

[0019] Figure 4 It is a structure front view of the utility model;

[0020] Figure 5 It is a structure front view of the utility model; Figure 2 It is a structure front view of the utility model;

[0021] In the figure: 1, sampling tube; 2, needle; 3, observation window; 4, draw rod; 5, sealing pad; 6, control ring; 7, limiting sleeve; 8, threaded ring; 9, fixed rod; 10, torsion spring; 11, movable block; 12, support rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-5 An embodiment provided by the utility model:

[0024] A sampling device for plant extraction, comprising a sampling tube 1:

[0025] The sampling tube 1 is connected with a needle 2 at the bottom end, and the surface of the sampling tube 1 is provided with an observation window 3. A draw rod 4 is inserted into the inside of the top end of the sampling tube 1. The bottom end of the draw rod 4 is connected with a sealing pad 5. The top end of the draw rod 4 is connected with a control ring 6. The outer wall of the control ring 6 is sleeved with a limiting sleeve 7. The bottom end surface of the limiting sleeve 7 is connected with a threaded ring 8. The internal material of the sampling tube 1 is the prior art, which can be purchased on the market, and is not the technical protection point of the present application. Therefore, it is not necessary to make too many statements.

[0026] Further, the draw rod 4 is inserted into the needle 2 and is in sliding connection with the sampling tube 1. The material of the observation window 3 is transparent material, so that the inside of the sampling tube 1 can be observed in real time through the observation window 3.

[0027] Further, the limiting sleeve 7 is abutted to the top end surface of the sampling tube 1. The surface of the limiting sleeve 7 is provided with a through hole. The top end of the draw rod 4 is inserted into the through hole of the limiting sleeve 7, so that the draw rod 4 is positioned through the through hole of the limiting sleeve 7.

[0028] Further, the top end outer surface of the sampling tube 1 is provided with threads. The sampling tube 1 and the threaded ring 8 are in rotational connection through threads, so that the threaded ring 8 is limited through the threads provided on the sampling tube 1.

[0029] Further, the control ring 6 is connected with fixed rods 9 at both sides. The inner surface of the fixed rods 9 is connected with torsion springs 10 at both sides. One end of the torsion spring 10 is connected with a movable block 11. The bottom end of the movable block 11 is connected with a support rod 12, so that the movement of the control ring 6 is more convenient through the adjustment of the angle of the support rod 12.

[0030] Further, the surface of one end of the fixed rod 9 is provided with a receiving groove, one end of the torsion spring 10 is connected to the receiving inner wall of the fixed rod 9, and the fixed rod 9 and the movable block 11 are elastically connected by the torsion spring 10, so that the fixed rod 9 and the movable block 11 are elastically connected by the torsion spring 10.

[0031] Further, the surface of both sides of the top end of the limiting sleeve 7 is provided with a groove, the fixed rod 9 is inserted into the groove of the limiting sleeve 7, and the fixed rod 9 is positioned by the groove of the limiting sleeve 7.

[0032] Working principle: when the sampling device for plant extraction is used, the threaded ring 8 connected to the bottom end of the limiting sleeve 7 is rotatably connected to the outer wall of the top end of the sampling tube 1, the control ring 6 is limited, then the sampling tube 1 connected to the bottom end of the needle 2 is inserted into the plant rhizome, then the control ring 6 is pulled to drive the extraction rod 4 and the sealing gasket 5 to move at the same time, so that the sampling tube 1 extracts the liquid in the plant rhizome, and the liquid enters the inside of the sampling tube 1, and the observation window 3 arranged on the surface of the sampling tube 1 is used to observe the liquid in real time, check whether the liquid contains impurities, so as to realize sampling of the plant.

[0033] When the sampling device for plant extraction is adjusted, the movable block 11 is rotated in the receiving groove of the fixed rod 9 by rotating the supporting rod 12, and the torsion spring 10 connected to both sides of the movable block 11 is twisted, so that the supporting rod 12 connected to the bottom end of the movable block 11 is rotated at the same time, the supporting rod 12 is rotated to both sides of the control ring 6, so that it is easier to grasp and move when the control ring 6 moves, and when the control ring 6 does not need to be moved, the torsion spring 10 drives the movable block 11 and the supporting rod 12 to reset, so that the movable block 11 and the supporting rod 12 are retracted, and the adjustment of the supporting rod 12 is realized.

[0034] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A plant extraction sampling device, comprising a sampling tube (1), characterized in that: the bottom end of the sampling tube (1) is connected with a needle (2), the surface of the sampling tube (1) is provided with an observation window (3), the inside of the top end of the sampling tube (1) is inserted with a pumping rod (4), the bottom end of the pumping rod (4) is connected with a sealing gasket (5), the top end of the pumping rod (4) is connected with a control ring (6), the outer wall of the control ring (6) is sleeved with a limiting sleeve (7), and the bottom end surface of the limiting sleeve (7) is connected with a threaded ring (8). The pumping rod (4) is slidingly connected inside the needle (2) and the sampling tube (1), and the material of the observation window (3) is transparent.

2. The sampling device for plant extraction according to claim 1, characterized in that: The limiting sleeve (7) abuts against the top end surface of the sampling tube (1), the surface of the limiting sleeve (7) is provided with a through hole, and the top end of the pumping rod (4) is inserted into the through hole of the limiting sleeve (7).

3. The sampling device for plant extraction according to claim 1, characterized in that: The top end outer surface of the sampling tube (1) is provided with threads, and the sampling tube (1) and the threaded ring (8) are rotationally connected by threads.

4. The sampling device for plant extraction according to claim 1, characterized in that: The control ring (6) is connected with a fixed rod (9) on both sides, the inner surface of the fixed rod (9) is connected with a torsion spring (10) on both sides, one end of the torsion spring (10) is connected with a movable block (11), and the bottom end of the movable block (11) is connected with a supporting rod (12).

5. The sampling device for plant extraction according to claim 1, characterized in that: The one end surface of the fixed rod (9) is provided with a receiving groove, one end of the torsion spring (10) is connected to one side of the receiving inner wall of the fixed rod (9), and the fixed rod (9) and the movable block (11) are elastically connected by the torsion spring (10).

6. A sampling device for plant extraction according to claim 5, wherein: The top end surface of the limiting sleeve (7) is provided with a groove on both sides, and the fixed rod (9) is inserted into the groove of the limiting sleeve (7).

7. A sampling device for plant extraction according to claim 5, characterized in that: ​

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