Fermented grain sampler

Abstract

The utility model belongs to the technical field of wine brewing, and particularly relates to a fermented grain sampler. During sampling, a part of the sampling drill is positioned outside the second sleeve, and the fermented grain sampler is inserted into the fermented grains by utilizing the sampling drill; when the fermented grain sampler is not inserted to a specified depth, the side part of the sampling drill can block the sampling opening of the second sleeve, so that other fermented grain samples are prevented from entering the second sleeve; after the fermented grain sampler reaches a specified depth, the sampling drill moves towards the direction close to the first sleeve, and at the moment, the sampler is continuously inserted into the fermented grains, so that the fermented grain sample can be pressed into the second sleeve. When the fermented grain sample is stripped, the sampling drill moves in the direction away from the first sleeve, and the fermented grains in the second sleeve are discharged, so that the sampling process of the fermented grains is completed. The fermented grain sampler can be quickly inserted into the specified depth of the fermented grains so as to accurately sample the fermented grains, and the fermented grain sample in the sampler is efficiently discharged into a sampling bag, so that the pollution of the fermented grain sample is reduced.

Description

Technical Field

[0001] This application belongs to the technical field of brewing, and specifically relates to a fermented grains sampler. Background Art

[0002] During the brewing process, it is necessary to regularly detect the fermented grains samples in the workshop to analyze the fermentation situation of the fermented grains. There are at least three problems in obtaining the fermented grains samples. First, there is a large resistance when inserting into the interior of the fermented grains for sampling; second, the fermented grains at other positions may be mixed into the sampler during the sampling process; third, it is necessary to collect the fermented grains samples and discharge the collected fermented grains samples from the sampler into the sampling bag. When the existing sampler is used for fermented grains sampling, on the one hand, when the sampler is inserted into the fermented grains, the insertion resistance is large, and it is necessary to repeat the operation many times to discharge the fermented grains above the sampling point; on the other hand, when sampling the fermented grains at a certain position, the fermented grains samples at different depths will be mixed into the sampler, resulting in inaccurate sampling; on the third hand, the obtained fermented grains need to be manually peeled off from the sampler by using other tools, which affects the efficiency of obtaining the fermented grains samples and is also easy to contaminate the obtained fermented grains samples. Summary of the Utility Model

[0003] The invention object of this application is to provide a fermented grains sampler, in which the fermented grains sampler can be quickly inserted to a specified depth of the fermented grains to achieve accurate sampling of the fermented grains, and efficiently discharge the fermented grains samples in the sampler into the sampling bag, reducing the contamination of the fermented grains samples.

[0004] According to an embodiment of the present application, in a first aspect, there is provided a fermented grains sampler, and the fermented grains sampler includes:

[0005] A first sleeve, one end of the first sleeve is provided with a card slot, the other end of the first sleeve is provided with a second sleeve, the diameter of the second sleeve is larger than that of the first sleeve, and the second sleeve is used for sampling fermented grains;

[0006] A movable rod, one end of the movable rod is provided with a buckle, the other end of the movable rod is provided with a sampling drill, the movable rod is located inside the first sleeve, the sampling drill is located inside the second sleeve, the buckle can cooperate with the card slot, when the buckle cooperates with the card slot, at least part of the sampling drill is located outside the second sleeve, and the side wall of the sampling drill can block the sampling port of the second sleeve; when the buckle is separated from the card slot, the sampling drill can move towards the direction close to the first sleeve, the fermented grains can be pressed into the second sleeve, and when the sampling drill moves away from the first sleeve, the fermented grains in the second sleeve can be discharged.

[0007] In one embodiment, the cross-sectional area of the sampling drill gradually decreases in the direction of the sampling port near the second sleeve; and / or, the sampling drill is threadedly connected to the movable rod.

[0008] In one embodiment, a sealing layer is provided on the outer wall of the sampling drill on the side close to the first sleeve, and the sealing layer seals the gap between the side wall of the sampling drill and the inner wall of the second sleeve.

[0009] In one embodiment, a first threaded section is provided on the outer wall of the sampling drill on the side close to the first sleeve, and a second threaded section is provided on the inner wall of the second sleeve. The second threaded section can cooperate with the first threaded section. When the movable rod rotates, it can drive the first threaded section in the sampling drill to rotate around the second threaded section in the second sleeve, so that the sampling drill moves away from or close to the first sleeve.

[0010] In one embodiment, a limiting portion is further provided at one end of the movable rod close to the first sleeve, and the limiting portion forms a position interference with one end of the first sleeve to limit the movement of the movable rod in the direction close to the second sleeve.

[0011] In one embodiment, the limiting portion is triangular or the limiting portion is bent.

[0012] In one embodiment, retaining plates are respectively provided at both ends of the first sleeve, and through holes for the movable rod and the buckle to pass through are respectively provided on the retaining plates. The retaining plates prevent the fermented grains from entering the interior of the first sleeve.

[0013] In one embodiment, the card slot includes a first channel and a second channel. The first channel communicates with the edge of the first sleeve and extends along the axial direction of the first sleeve. The second channel communicates with the first channel, and the included angle between the second channel and the first channel is an acute angle.

[0014] In one embodiment, a handle is further provided on the outside of the first sleeve; and / or, scales are provided on the outside of the first sleeve and the second sleeve.

[0015] In one embodiment, the edge of the sampling port of the second sleeve is designed to be wavy or serrated.

[0016] During the process of sampling fermented grains with the fermented grains sampler of the present application, a part of the sampling drill is located outside the second sleeve, so that the fermented grains sampler is inserted into the fermented grains by using the sampling drill; when the fermented grains sampler is not inserted to the specified depth, the side of the sampling drill can block the sampling port of the second sleeve, thereby preventing other fermented grains samples from entering the inside of the second sleeve; after the fermented grains sampler reaches the specified depth, the sampling drill moves towards the first sleeve, and at this time, the sampler is continuously inserted into the fermented grains so that the fermented grains sample can be pressed into the second sleeve. When separating the fermented grains sample, the sampling drill is moved away from the first sleeve, and the fermented grains in the second sleeve are discharged, thereby completing the sampling process of the fermented grains. The fermented grains sampler in the present application can be quickly inserted into the fermented grains through the sampling drill, and at the same time, the side wall of the sampling drill is used to block the sampling port of the second sleeve to reduce the risk of other fermented grains samples entering the second sleeve during the sampling process, improving the sampling accuracy; finally, the fermented grains sample is directly discharged from the second sleeve through the sampling drill, thereby improving the efficiency of obtaining the sample and reducing the contamination of the fermented grains sample. Description of the Drawings

[0017] Figure 1 Schematic structural diagram of the fermented grains sampler in an embodiment of the present application;

[0018] Figure 2 is Figure 1 Partial enlarged schematic view of part A in

[0019] Figure 3 Schematic cross-sectional view of the fermented grains sampler in an embodiment of the present application;

[0020] Figure 4 is Figure 3 Partial enlarged schematic view of part B in

[0021] Explanation of the reference numerals in the drawings:

[0022] 100, first sleeve; 110, card slot; 111, first channel; 112, second channel; 120, handle; 130, baffle;

[0023] 200, second sleeve;

[0024] 300, movable rod; 310, buckle; 320, sampling drill; 321, sealing layer; 330, limiting part. Detailed Description of the Embodiment

[0025] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0026] It should be noted that the illustrations provided in this embodiment only schematically illustrate the basic concept of the present utility model.

[0027] The structures, proportions, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those skilled in this technology to understand and read, and are not used to limit the conditions under which the present utility model can be implemented. Any modification of the structure, change in the proportional relationship, or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in the present utility model.

[0028] The orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "middle", "longitudinal", "transverse", "horizontal", "inner", "outer", "radial", "circumferential", etc. cited in this specification is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0029] As described in the background, during the brewing process, it is necessary to regularly detect the fermented grains samples in the workshop to analyze the fermentation situation of the fermented grains. There are at least three problems in obtaining the fermented grains samples. The first is that there is a relatively large resistance when inserting into the fermented grains for sampling; the second is that the fermented grains at other positions may be mixed into the sampler during the sampling process; the third is the need for the collection of the fermented grains samples and the discharge of the collected fermented grains samples from the sampler into the sampling bag. When the existing sampler is used for sampling fermented grains, on the one hand, when the sampler is inserted into the fermented grains, the insertion resistance is relatively large, and it is necessary to repeat the operation multiple times to discharge the fermented grains above the sampling point; on the other hand, when sampling the fermented grains at a certain position, the fermented grains samples at different depths will be mixed into the sampler, resulting in inaccurate sampling; on the third hand, the obtained fermented grains need to be manually peeled from the sampler using other tools, which affects the efficiency of obtaining the fermented grains samples and is also prone to contaminating the obtained fermented grains samples. In order to better solve this problem, the researchers in this application propose a fermented grains sampler, which can quickly insert to the specified depth of the fermented grains to achieve accurate sampling of the fermented grains, and efficiently discharge the fermented grains samples in the sampler into the sampling bag, reducing the contamination of the fermented grains samples. It should be noted that the fermented grains sampler in this application is applicable not only to the sampling of fermented grains in the wine cellar, but also to sampling scenarios such as fermented grains samples during the stacking process.

[0030] As Figure 1 shown, Figure 1This is a schematic structural diagram of a fermented grains sampler in an embodiment of the present application. The fermented grains sampler includes: a first sleeve 100, a second sleeve 200, a movable rod 300, and a sampling drill 320. The movable rod 300 moves in the first sleeve 100, and the sampling drill 320 is connected to the movable rod 300 and the sampling drill 320 is in the second sleeve 200. During the process of inserting the fermented grains sampler into the fermented grains, a position interference will be formed between the movable rod 300 and the first sleeve 100, thereby restricting the movement of the movable rod 300. At this time, the sampling drill 320 can partially extend outside the second sleeve 200, and at the same time, the side wall of the sampling drill 320 can block the sampling port of the second sleeve. The sampling drill 320 is beneficial for the fermented grains sampler to be inserted into the interior of the fermented grains. At the same time, after the side wall of the sampling drill 320 blocks the second sleeve 200, it can reduce the entry of other fermented grains samples into the interior of the second sleeve 200 and affect the accuracy of the sampled fermented grains. When the fermented grains sampler reaches the designated depth position of the fermented grains, for example, after 1.5 meters, the position interference relationship between the movable rod 300 and the first sleeve 100 is released, and the sampling drill 320 retracts into the second sleeve 200. When the fermented grains sampler is continuously inserted into the fermented grains, the fermented grains can be pressed into the interior of the second sleeve 200, and finally the fermented grains sample in the second sleeve 200 is discharged again through the sampling drill 320. Researchers intend to use this sampler to achieve accurate sampling of fermented grains and efficiently discharge the fermented grains sample in the sampler into the sampling bag.

[0031] Specifically, referring to Figure 1 and Figure 2 As shown, a clamping groove 110 is provided at one end of the first sleeve 100, and a second sleeve 200 is provided at the other end of the first sleeve 100. The diameter of the second sleeve 200 is larger than that of the first sleeve 100, and the second sleeve 200 is used for sampling fermented grains. A clamping buckle 310 is provided at one end of the movable rod 300, and a sampling drill 320 is provided at the other end of the movable rod 300. The movable rod 300 is located in the first sleeve 100, and the sampling drill 320 is located in the second sleeve 200. The clamping buckle 310 can cooperate with the clamping groove 110. When the clamping buckle 310 cooperates with the clamping groove 110, at least part of the sampling drill 320 is located outside the second sleeve 200, and the side wall of the sampling drill 320 can block the sampling port of the second sleeve 200. When the clamping buckle 310 is separated from the clamping groove 110, the sampling drill 320 can move in the direction close to the first sleeve 100, and the fermented grains can be pressed into the second sleeve 200. When the sampling drill 320 moves in the direction away from the first sleeve 100, it can discharge the fermented grains in the second sleeve 200.

[0032] In this embodiment, when it is necessary to take a sample of fermented grains, the movable rod 300 is controlled so that the buckle 310 provided in the movable rod 300 cooperates with the card slot 110 provided in the first sleeve 100. For example, the movable rod 300 is rotated so that the buckle 310 in the movable rod 300 cooperates with the card slot 110, thereby limiting and fixing the movable rod 300. At this time, at least a part of the sampling drill 320 is located outside the second sleeve 200. During the process of inserting into the fermented grains, the sampling drill 320 located outside the second sleeve 200 can quickly insert into the interior of the fermented grains, improving the efficiency of the sampler during the process of inserting into the fermented grains. At the same time, the side wall of the sampling drill 320 can block the sampling port of the second sleeve 200 to prevent other fermented grain samples from entering the second sleeve 200 and affecting the accuracy of the sampled fermented grains; when the fermented grain sampler is inserted to a specified depth in the fermented grains, for example, after 1.5 meters, the buckle 310 in the movable rod 300 is controlled to be separated from the card slot 110 again, and the movable rod 300 is controlled to move away from the first sleeve 100. At the same time, the movable rod 300 can drive the sampling drill 320 to move towards the first sleeve 100 as well. The sampling drill 320 retracts into the interior of the second sleeve 200. At this time, the fermented grain sampler is continuously inserted into the fermented grains, and the fermented grains can be pressed into the space between the sampling drill 320 and the end of the second sleeve 200, thereby completing the collection of the fermented grain sample; after the sampler is taken out, the movable rod 300 is controlled again to make the sampling drill 320 move away from the first sleeve 100, thereby discharging the fermented grains located in the second sleeve 200 into the sampling bag, thus completing the collection of the fermented grain sample.

[0033] In this application, the sampling drill 320 can quickly penetrate into the fermented grains. The design of the sampling drill 320 is beneficial to the insertion of the sampler into the fermented grains; at the same time, the side wall of the sampling drill 320 can block the sampling port of the second sleeve 200 to reduce the risk of fermented grains at other different depth positions being pressed into the second sleeve 200; finally, the fermented grain sample pressed into the second sleeve 200 can be discharged by the sampling drill 320, thereby improving the efficiency of peeling the fermented grains into the sampling bag and also reducing the risk of contamination of the fermented grain sample caused by dust, rust, or microorganisms, etc. being brought into the fermented grain sample during the manual peeling process. It should be noted that the cross-sectional area of the sampling drill 320 should not be greater than the cross-sectional area of the second sleeve 200, and at the same time, the gap between the sampling drill 320 and the second sleeve 200 should be reduced during the design process; in addition, the diameter of the second sleeve 200 is larger than the diameter of the first sleeve 100. The reason is that the second sleeve 200 needs to collect the fermented grains, so the diameter size of the second sleeve 200 should be larger than the diameter of the first sleeve 100.

[0034] In one embodiment, the cross-sectional area of the sampling drill 320 gradually decreases in the direction close to the sampling port of the second sleeve 200; and / or, the sampling drill 320 is threadedly connected to the movable rod 300.

[0035] In this embodiment, the cross-sectional area of the sampling drill 320 is designed to gradually decrease towards the sampling port of the second sleeve 200, that is, the cross-sectional area of the part of the sampling drill 320 extending out of the second sleeve 200 is the smallest, and the sampling drill 320 is conical, so it is beneficial for the sampling drill 320 to penetrate into the fermented grains. In addition, the sampling drill 320 and the movable rod 300 are connected by a threaded connection, which is beneficial for the installation and disassembly between the sampling drill 320 and the movable rod 300, and the cleaning of the inside of the second sleeve 200.

[0036] In one embodiment, referring to Figure 3 and Figure 4 as shown, a sealing layer 321 is provided on the outer wall of the sampling drill 320 on the side close to the first sleeve 100, and the sealing layer 321 seals the gap between the side wall of the sampling drill 320 and the inner wall of the second sleeve 200.

[0037] In this embodiment, the researchers considered that there may be a gap between the sampling drill 320 and the second sleeve 200. When the fermented grains enter through the gap between the sampling drill 320 and the second sleeve 200, they may remain inside the second sleeve 200. In addition, the fermented grain samples entering the second sleeve 200 may also remain on the inner wall of the second sleeve 200. For this reason, in this embodiment, the researchers provided a sealing layer 321 on the outer wall of the sampling drill 320. On the one hand, the sealing layer 321 can prevent the fermented grain samples from passing through the gap between the sampling drill 320 and the second sleeve 200; on the other hand, when the sampling drill 320 moves in the second sleeve 200, the sealing layer 321 can scrape off the fermented grain samples remaining on the inner wall of the second sleeve 200, thereby reducing the risk of cross-contamination of multiple fermented grain samples during the sampling process. The sealing layer 321 can be a polyvinyl chloride sealing ring.

[0038] In one embodiment, a first threaded section is provided on the outer wall of the sampling drill 320 on the side close to the first sleeve 100, and a second threaded section is provided on the inner wall of the second sleeve 200. The second threaded section can cooperate with the first threaded section. When the movable rod 300 rotates, it can drive the first threaded section in the sampling drill 320 to rotate around the second threaded section in the second sleeve 200, so that the sampling drill 320 moves away from or close to the first sleeve 100.

[0039] In this embodiment, by providing a first threaded section in the sampling drill 320 and a second threaded section in the inner wall of the second sleeve 200, the fermented grain samples in the second sleeve 200 are discharged by rotating the sampling drill 320 relative to the second sleeve 200. Compared with directly pushing the movable rod 300 to make the sampling drill 320 move away from the first sleeve 100, this method can achieve the effect of saving effort.

[0040] In one embodiment, referring to Figure 1As shown, a limiting portion 330 is further provided at one end of the movable rod 300. The limiting portion 330 forms a position interference with one end of the first sleeve 100 to limit the movement of the movable rod 300 in the direction approaching the second sleeve 200.

[0041] In this embodiment, by providing a limiting portion 330 at one end of the movable rod 300, the limiting portion 330 can form a position interference with one end of the first sleeve 100, thereby avoiding the risk that the movable rod 300 separates from the first sleeve 100 after moving in the direction approaching the second sleeve 200.

[0042] Furthermore, in one embodiment, the limiting portion 330 is triangular or the limiting portion 330 is zigzag.

[0043] In this embodiment, the limiting portion 330 can be triangular, where the tip of the triangle can face the inside of the first sleeve 100, and the side corresponding to the tip is in a horizontal state, which is beneficial to applying a force to the movable rod 300 through this side.

[0044] When a first threaded section is provided on the sampling drill 320 and a second threaded section is provided on the second sleeve 200, it is necessary to rotate the movable rod 300 to drive the sampling drill 320 to rotate at this time. Therefore, the limiting portion 330 can be designed as a bent line, such as an inverted letter "L" shape, where the bent portion can form a limiting relationship with the edge of the first sleeve 100. Additionally, by rotating the bent portion, the movable rod 300 can also be driven to rotate to achieve the rotation of the sampling drill 320 relative to the second sleeve 200.

[0045] In one embodiment, referring to Figure 2 As shown, retaining plates 130 are respectively provided at both ends of the first sleeve 100. Through holes for the movable rod 300 and the buckle 310 to pass through are respectively provided in the retaining plates 130. The retaining plates 130 prevent the fermented grains from entering the inside of the first sleeve 100.

[0046] In this embodiment, retaining plates 130 are respectively provided at both ends of the first sleeve 100, thereby reducing the risk of foreign matters entering the fermented grains sampler, and the residual fermented grains in the second sleeve 200 entering the inside of the first sleeve 100 through the channel between the second sleeve 200 and the first sleeve 100.

[0047] In one embodiment, referring to Figure 2 As shown, the card slot 110 in the first sleeve 100 includes a first channel 111 and a second channel 112. The first channel 111 communicates with the edge of the first sleeve 100 and extends along the axial direction of the first sleeve 100. The second channel 112 communicates with the first channel 111, and the included angle between the second channel 112 and the first channel 111 is an acute angle.

[0048] In this embodiment, when it is necessary to keep a part of the sampling drill 320 outside the second sleeve 200, the card slot 110 in the movable rod 300 can be rotated into the second channel 112. Since the included angle between the second channel 112 and the first channel 111 is an acute angle and the first channel 111 extends along the axis direction of the first sleeve 100, the buckle 310 in the movable rod 300 can be pressed against the outer wall of the second channel 112. During the process of pressing down the fermented grains sampler, due to the limiting relationship between the buckle 310 and the outer wall of the second channel 112, the position of the sampling drill 320 extending out of the second sleeve 200 can be kept unchanged, which is beneficial to inserting the sampling drill 320 into the fermented grains.

[0049] In one embodiment, referring to Figure 1 As shown, a handle 120 is further provided outside the first sleeve 100; and / or, scales are provided outside the first sleeve 100 and the second sleeve 200.

[0050] In this embodiment, providing the handle 120 outside the first sleeve 100 is beneficial for applying a force to the fermented grains sampler. For example, when the buckle 310 in the movable rod 300 cooperates with the card slot 110 in the first sleeve 100, a force can be applied to the handle 120 to quickly insert the sampler into the fermented grains. In addition, scales are provided in both the first sleeve 100 and the second sleeve 200. The scales can be marked at intervals of 0.5 meters, 1 meter, 1.5 meters, etc. Of course, the scale marking can also be carried out according to actual needs, so as to know the depth to which the fermented grains sampler is inserted into the fermented grains and accurately complete the sampling process.

[0051] In one embodiment, the edge of the sampling port of the second sleeve 200 is designed to be wavy or serrated.

[0052] In this embodiment, the edge of the sampling port of the second sleeve 200 is designed to be wavy or serrated. The reason is that after the sampling drill 320 extends and retracts into the second sleeve 200, the fermented grains sampler still needs to be further inserted into the fermented grains, and the wavy or serrated shape is beneficial for cutting the fermented grains, so that the fermented grains sampler can reach the required depth faster.

[0053] The technical features of the above embodiments can be combined arbitrarily. For the sake of brief description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0054] The above embodiments only illustrate several implementation manners of the present application. The description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all fall within the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the appended claims.

Claims

1. A fermented grains sampler, characterized in that: The fermented grains sampler comprises: A first sleeve (100), wherein a slot (110) is disposed at one end of the first sleeve (100), and a second sleeve (200) is disposed at the other end of the first sleeve (100), wherein the diameter of the second sleeve (200) is greater than the diameter of the first sleeve (100), and the second sleeve (200) is used for sampling fermented grains; A movable rod (300), one end of which is provided with a buckle (310), and the other end of which is provided with a sampling drill (320), the movable rod (300) is located in the first sleeve (100), and the sampling drill (320) is located in the second sleeve (200), and the buckle (310) can cooperate with the slot (110), and when the buckle (310) cooperates with the slot (110), the sampling drill (320) is at least partially located in the first sleeve (100). Outside the second sleeve (200), the side wall of the sampling drill (320) can block the sampling port of the second sleeve (200); when the buckle (310) is separated from the slot (110), the sampling drill (320) can move toward the first sleeve (100), and the mash can be pressed into the second sleeve (200); when the sampling drill (320) moves away from the first sleeve (100), the mash in the second sleeve (200) can be discharged.

2. The fermented grains sampler according to claim 1, characterized in that: The cross-sectional area of ​​the sampling drill (320) gradually decreases in the direction close to the sampling port of the second sleeve (200); and / or the sampling drill (320) is threadedly connected to the movable rod (300).

3. The fermented grains sampler according to claim 1, characterized in that: A sealing layer (321) is provided on the outer wall of the sampling drill (320) on the side close to the first sleeve (100), and the sealing layer (321) seals the gap between the side wall of the sampling drill (320) and the inner wall of the second sleeve (200).

4. The fermented grains sampler according to claim 3, characterized in that: The outer wall of the sampling drill (320) on the side close to the first sleeve (100) is provided with a first thread segment, and the inner wall of the second sleeve (200) is provided with a second thread segment, and the second thread segment can cooperate with the first thread segment. When the movable rod (300) rotates, it can drive the first thread segment in the sampling drill (320) to rotate around the second thread segment in the second sleeve (200), so that the sampling drill (320) moves in a direction away from the first sleeve (100) or in a direction close to the first sleeve (100).

5. The fermented grains sampler according to claim 1, characterized in that: A limiting portion (330) is also provided at one end of the movable rod (300) close to the first sleeve (100), and the limiting portion (330) forms position interference with one end of the first sleeve (100) to limit the movable rod (300) from moving in a direction close to the second sleeve (200).

6. The fermented grains sampler according to claim 5, characterized in that: The limiting portion (330) is triangular in shape or the limiting portion (330) is bent in shape.

7. The fermented grains sampler according to claim 1, characterized in that: Blocking plates (130) are respectively provided at both ends of the first sleeve (100), and the blocking plates (130) are respectively provided with through holes for the movable rod (300) and the buckle (310) to pass through, and the blocking plates (130) prevent the mash from entering the interior of the first sleeve (100).

8. The fermented grains sampler according to claim 1, characterized in that: The card slot (110) comprises a first channel (111) and a second channel (112); the first channel (111) is connected to the edge of the first sleeve (100) and extends along the axial direction of the first sleeve (100); the second channel (112) is connected to the first channel (111), and the included angle between the second channel (112) and the first channel (111) is an acute angle.

9. The fermented grains sampler according to claim 1, characterized in that: The first sleeve (100) is further provided with a handle (120) on its exterior; and / or the first sleeve (100) and the second sleeve (200) are provided with scales on their exteriors.

10. The fermented grains sampler according to claim 1, characterized in that: The edge of the sampling port of the second sleeve (200) is designed to be wavy or sawtooth.

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