Wheat leaf sample collecting and sampling device

Abstract

The utility model discloses a wheat leaf sample collecting and sampling device, and relates to the technical field of wheat leaf sample collection, the wheat leaf sample collecting and sampling device comprises a sampling tube, the outer wall of the sampling tube is fixedly connected with a reinforcing ring, the bottom of the sampling tube is provided with a discharging assembly, and the top of the sampling tube is provided with a sampling assembly; the sampling assembly comprises a top ring, and the top of the top ring is rotationally connected with a turntable. According to the wheat leaf sample collecting and sampling device, a mounting cover on a sampling head is rotated out, meanwhile, a sampling pipe is held by hand, the sampling head is operated to be close to wheat leaves, the wheat leaves stretch into the sampling head, pressure is applied to a pressing plate, the pressing plate drives a spring to be extruded, and a cutting knife is driven to move downwards; the two cutting knives are used for cutting the wheat leaves in the middle, the cut wheat leaves fall into the sampling pipes, and the rotating disc is rotated to drive the sampling head to rotate at different positions, so that the wheat leaves can be conveniently collected into different sampling pipes.

Description

Technical Field

[0001] This utility model relates to the field of wheat leaf sample collection technology, specifically a wheat leaf sample collection and sampling device. Background Technology

[0002] Collecting wheat leaf samples is an important prerequisite for conducting physiological and biochemical research, nutritional diagnosis, and pest and disease monitoring. The timing of sampling should be flexibly selected according to the research objectives. If nutrient element analysis is to be performed, samples should be collected during key growth stages of wheat, such as the jointing stage and the booting stage, when plant nutrition changes are significant. If pest and disease research is to be conducted, samples should be collected promptly at the initial stage of disease or the peak of pest infestation. The sampling site is usually a functional leaf, that is, the leaf that contributes the most to photosynthesis and yield formation, such as the flag leaf or the first leaf below it. Multiple sampling points are randomly selected from different locations in the wheat field, and the samples are mixed together to form a single sample. The collection process should be rapid to avoid leaf dehydration or other factors affecting the sample. After collection, the sample should be immediately placed in a sealed bag, labeled with the sampling time, location, variety, and other information, and sent to the laboratory for analysis as soon as possible to ensure the reliability of the sample and the accuracy of the research results.

[0003] The prior art patent document CN218662990U discloses a portable wheat leaf sample collection device. The positioning component of the device includes a connecting rod, a limiting block is slidably connected to the outer surface of the connecting rod, a toggle rod is fixedly connected to the top of the limiting block, a connecting spring is sleeved on the outer surface of the connecting rod and on one side of the limiting block, and a positioning plate is fixedly connected to the end of the connecting rod away from the adjustment plate. It realizes the adjustment of the ice storage space in the refrigeration compartment according to the number of wheat leaf samples collected, avoiding unnecessary waste of ice, saving resources, and reducing the operating cost of the equipment.

[0004] Existing sampling devices often design the sampling and collection stages separately. The sampling part is mainly responsible for cutting or picking the leaves, while the collection part serves as a container for subsequent storage. Although this separate design is relatively simple in structure, it breaks the continuity between sampling and collection, resulting in a lack of effective protection mechanism for the leaves during the transfer from the sampling end to the collection device, which increases the risk of leaf damage. Therefore, we need a wheat leaf sample collection and sampling device. Utility Model Content

[0005] The purpose of this invention is to provide a wheat leaf sample collection device to solve the existing problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a wheat leaf sample collection and sampling device, comprising a sampling tube, a reinforcing ring fixedly connected to the outer wall of the sampling tube, a discharge assembly provided at the bottom of the sampling tube, and a sampling assembly provided at the top of the sampling tube; the sampling assembly includes a top ring, a turntable rotatably connected to the top of the top ring, a sampling head fixedly connected to the top of the turntable, a mounting cover threadedly connected to the top of the sampling head, a spring fixedly connected inside the mounting cover, a pressing plate fixedly connected to one end of the spring, and a cutting blade fixedly connected to the bottom of the pressing plate.

[0007] Preferably, the top ring is connected to the sampling tube by a turntable, and the bottom of the turntable is rotatably connected to the top of the top ring, while the top of the turntable is fixedly connected to the bottom of the sampling tube.

[0008] Preferably, the sampling head forms an elastic telescopic structure with a spring and a pressing plate, and the bottom of the spring is fixedly connected to the inside of the sampling head, and the top of the spring is fixedly connected to the top of the pressing plate.

[0009] Preferably, the sampling head contains two cutting blades, and the blades of the two cutting blades are arranged opposite each other.

[0010] Preferably, the unloading assembly includes a bottom cover, the bottom cover having a sealing groove inside, a sealing gasket inside the sealing groove, a screw groove inside the bottom cover, a screw rod being threadedly connected inside the screw groove, and an adjusting cap being fixedly connected to one end of the screw rod.

[0011] Preferably, the bottom cover forms a sealing structure with a sealing groove and a sealing gasket, and the outer wall of the sealing gasket is tightly fitted with the inner wall of the sealing groove.

[0012] Preferably, the bottom cover is fixed by a threaded groove and a screw rod, and the inner diameter of the threaded groove matches the outer diameter of the screw rod, and the outer wall of the screw rod is threadedly connected to the inner wall of the threaded groove.

[0013] Compared with the prior art, the beneficial effects of this utility model are: this wheat leaf sample collection and sampling device,

[0014] (1) By rotating the mounting cap on the sampling head, holding the sampling tube, and operating the sampling head close to the wheat leaf, and the wheat leaf extending into the sampling head, pressure is applied to the pressing plate, and the pressing plate drives the spring to squeeze, while driving the cutting blade to move downward, and then the two cutting blades cut the wheat leaf in the middle position. The cut wheat leaf falls into the sampling tube. At the same time, the turntable is rotated to drive the sampling head to rotate in different positions, so that the wheat leaf can be collected into different sampling tubes to meet people's daily use needs.

[0015] (2) By rotating the adjusting cap, the adjusting cap drives the screw to rotate. The screw rotates in the screw groove in the bottom cover, and the screw drives the sealing gasket to be removed from the sealing groove, thereby achieving convenient removal of wheat leaf samples and meeting people's daily use needs. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of the present utility model;

[0017] Figure 2 This is a schematic diagram of the sampling head and mounting cover structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the spring and pressing plate structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the unloading assembly structure of this utility model.

[0020] In the diagram: 1. Sampling tube; 2. Reinforcing ring; 3. Unloading assembly; 301. Bottom cover; 302. Sealing groove; 303. Sealing gasket; 304. Threaded groove; 305. Threaded rod; 306. Adjusting cap; 4. Sampling assembly; 401. Top ring; 402. Turntable; 403. Sampling head; 404. Mounting cover; 405. Spring; 406. Pressing plate; 407. Cutting blade. Detailed Implementation

[0021] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] This utility model provides a wheat leaf sample collection and sampling device, such as... Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the device includes a sampling tube 1, with a reinforcing ring 2 fixedly connected to its outer wall. A discharge assembly 3 is located at the bottom of the sampling tube 1, and a sampling assembly 4 is located at its top. The sampling assembly 4 includes a top ring 401, with a turntable 402 rotatably connected to its top. The top ring 401 and the sampling tube 1 are rotatably connected via the turntable 402. The bottom of the turntable 402 is rotatably connected to the top of the top ring 401, and the top of the turntable 402 is fixedly connected to the bottom of the sampling tube 1, thus reinforcing the connection between the top ring 401 and the turntable 402. In terms of connection, the sampling tube 1 rotates within the top ring 401 via the bottom turntable 402. A sampling head 403 is fixedly connected to the top of the turntable 402. A mounting cover 404 is threadedly connected to the top of the sampling head 403. A spring 405 is fixedly connected inside the mounting cover 404. A pressing plate 406 is fixedly connected to one end of the spring 405. The sampling head 403 forms an elastic telescopic structure with the pressing plate 406 via the spring 405. The bottom of the spring 405 is fixedly connected to the inside of the sampling head 403, and the top of the spring 405 is fixedly connected to the top of the pressing plate 406. The fixed connection strengthens the connection between the sampling head 403 and the spring 405. The sampling head 403 is supported by the spring 405 against the pressing plate 406. A cutting blade 407 is fixedly connected to the bottom of the pressing plate 406. There are two cutting blades 407 inside the sampling head 403, and the blades of the two cutting blades 407 are arranged opposite each other, which strengthens the connection between the sampling head 403 and the cutting blades 407. The two cutting blades 407 cut the wheat leaves. By rotating out the mounting cover 404 on the sampling head 403, while holding the sampling tube 1, and operating the sampling... The sampling head 403 is placed close to the wheat leaf, and the wheat leaf extends into the sampling head 403. At this time, pressure is applied to the pressing plate 406, which in turn squeezes the spring 405. Simultaneously, the cutting blade 407 moves downward, and the two cutting blades 407 cut the wheat leaf in the middle. The cut wheat leaf falls into the sampling tube 1. At the same time, the turntable 402 is rotated, causing the sampling head 403 to rotate to different positions, so that the wheat leaf can be collected into different sampling tubes 1 to meet people's daily needs.

[0023] In a further preferred embodiment of this utility model, such as Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the unloading assembly 3 includes a bottom cover 301. A sealing groove 302 is formed inside the bottom cover 301, and a sealing gasket 303 is disposed inside the sealing groove 302. The bottom cover 301 and the sealing gasket 303 form a sealing structure through the sealing groove 302 and the sealing gasket 303. The outer wall of the sealing gasket 303 is tightly fitted to the inner wall of the sealing groove 302, enhancing the connection between the bottom cover 301 and the sealing gasket 303. The sealing gasket 303 is installed inside the sealing groove 302 within the bottom cover 301. A threaded groove 304 is formed inside the bottom cover 301, and a screw 305 is threaded into the threaded groove 304. One end of the screw 305 is fixedly connected to an adjusting cap 306. The bottom cover 301 is connected to the threaded groove 304 through the threaded groove 304. 4. A threaded fixing structure is formed with the screw 305, and the inner diameter of the screw groove 304 matches the outer diameter of the screw 305. The outer wall of the screw 305 is threadedly connected to the inner wall of the screw groove 304, which strengthens the connection between the screw 305 and the bottom cover 301. The screw 305 is fastened in the screw groove 304 in the bottom cover 301 and rotates. By rotating the adjusting cap 306, the adjusting cap 306 drives the screw 305 to rotate. The screw 305 rotates in the screw groove 304 in the bottom cover 301, and the screw 305 drives the sealing gasket 303 to be removed from the sealing groove 302, thereby achieving convenient removal of wheat leaf samples and meeting people's daily use needs.

[0024] Working principle: In use, the mounting cap 404 on the sampling head 403 is rotated out, and the sampling tube 1 is held in hand. The sampling head 403 is then moved close to the wheat leaf, and the wheat leaf extends into the sampling head 403. At this time, pressure is applied to the pressing plate 406, which in turn squeezes the spring 405. Simultaneously, the cutting blade 407 moves downward, and the two cutting blades 407 cut the wheat leaf in the middle. The cut wheat leaf falls into the sampling tube 1. Simultaneously, rotating the turntable 402 causes the sampling head 403 to rotate to different positions, facilitating the collection of wheat leaves into different sampling tubes 1, thus meeting people's daily needs. In addition, by rotating the adjusting cap 306, the adjusting cap 306 drives the screw 305 to rotate. The screw 305 rotates in the screw groove 304 in the bottom cover 301, and the screw 305 drives the sealing gasket 303 to be removed from the sealing groove 302, thereby achieving convenient removal of wheat leaf samples and meeting people's daily needs.

[0025] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A wheat leaf sample collection sampling device comprising a sampling tube (1), characterised in that: The outer wall of the sampling tube (1) is fixedly connected with a reinforcing ring (2), the bottom of the sampling tube (1) is provided with a discharge assembly (3), and the top of the sampling tube (1) is provided with a sampling assembly (4). The sampling assembly (4) includes a top ring (401), a turntable (402) is rotatably connected to the top of the top ring (401), a sampling head (403) is fixedly connected to the top of the turntable (402), a mounting cover (404) is threadedly connected to the top of the sampling head (403), a spring (405) is fixedly connected inside the mounting cover (404), a pressing plate (406) is fixedly connected to one end of the spring (405), and a cutting blade (407) is fixedly connected to the bottom of the pressing plate (406).

2. A wheat leaf sample collection sampling device according to claim 1, characterised in that: The top ring (401) forms a rotating connection structure with the sampling tube (1) through the turntable (402), and the bottom of the turntable (402) is rotatably connected to the top of the top ring (401), and the top of the turntable (402) is fixedly connected to the bottom of the sampling tube (1).

3. A wheat leaf sample collection sampling device according to claim 1, characterised in that: The sampling head (403) forms an elastic telescopic structure with the pressing plate (406) via the spring (405), and the bottom of the spring (405) is fixedly connected to the inside of the sampling head (403), and the top of the spring (405) is fixedly connected to the top of the pressing plate (406).

4. A wheat leaf sample collection sampling device according to claim 1, characterised in that: The sampling head (403) contains two cutting blades (407), and the blades of the two cutting blades (407) are arranged opposite each other.

5. A wheat leaf sample collection sampling device according to claim 1, characterised in that: The unloading assembly (3) includes a bottom cover (301), a sealing groove (302) is provided inside the bottom cover (301), a sealing gasket (303) is provided inside the sealing groove (302), a screw groove (304) is provided inside the bottom cover (301), a screw rod (305) is threadedly connected inside the screw groove (304), and an adjusting cap (306) is fixedly connected to one end of the screw rod (305).

6. A wheat leaf sample collection sampling device according to claim 5, characterised in that: The bottom cover (301) forms a sealing structure with the sealing groove (302) and the sealing gasket (303), and the outer wall of the sealing gasket (303) is tightly fitted with the inner wall of the sealing groove (302).

7. A wheat leaf sample collection sampling device according to claim 5, characterised in that: The bottom cover (301) forms a threaded fixing structure with the screw (305) through the screw groove (304), and the inner diameter of the screw groove (304) matches the outer diameter of the screw (305), and the outer wall of the screw (305) is threadedly connected to the inner wall of the screw groove (304).

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