Tobacco liquid sampling tool

Abstract

The invention belongs to the technical field of cigarettes, and discloses a tobacco feed liquid sampling tool. The tobacco feed liquid sampling tool comprises a bearing table and a rotating part, the bearing table is provided with a containing cavity and at least two feeding holes, the at least two feeding holes are communicated with the containing cavity, and the at least two feeding holes are distributed in the axial direction of the bearing table at intervals; the rotating part is inserted into the containing cavity and can rotate relative to the containing cavity, the rotating part is provided with at least two storage chambers, the at least two storage chambers are distributed at intervals in the axial direction of the rotating part, the at least two storage chambers and the at least two feeding holes are arranged in a one-to-one correspondence mode, the rotating part is rotated in the forward direction so that openings of the storage chambers can be communicated with the corresponding feeding holes, and the rotating part is rotated in the reverse direction so that the openings of the storage chambers can be communicated with the corresponding feeding holes. And the openings of the storage chambers and the corresponding feeding holes are all staggered. According to the tobacco feed liquid sampling tool, feed liquid at different height positions in the storage tank can be sampled at the same time through the tobacco feed liquid sampling tool, segmented storage can be achieved, the sampling procedure is simple, the influence on feed liquid detection results can be reduced, and sampling is convenient.

Description

Technical Field

[0001] This invention relates to the field of cigarette technology, and in particular to a sampling tool for tobacco liquid. Background Technology

[0002] In the cigarette-making process, tobacco additives are added to enhance the aroma of tobacco products and improve the taste of the smoke. These additives can be flavorings or fragrances. In existing technology, the prepared flavorings and fragrances are stored in two separate storage tanks. During cigarette making, the prepared flavorings and fragrances are transported from the two storage tanks to the production site for use via a conveyor.

[0003] Both prepared and unused tobacco liquids require multiple quality inspections to determine their quality. However, storage tanks for these liquids are typically deep, necessitating sampling from multiple samples at different depths within the tank. Current technology uses multiple test tubes at varying depths to sample these samples, requiring the samples to be individually transferred to sealed containers for testing. This cumbersome sampling process further complicates the process. Furthermore, the unsealed test tubes expose the liquid to external contamination during transfer, affecting test results. Therefore, a novel tobacco liquid sampling fixture is urgently needed to address these technical challenges. Summary of the Invention

[0004] The purpose of this invention is to provide a sampling fixture for tobacco liquid. This fixture can simultaneously sample liquid at different heights in a storage tank and can also achieve segmented storage. The sampling process is relatively simple, and the liquid is not exposed to the external environment, which reduces the impact on the liquid test results. In addition, it is convenient for operators to sample and saves sampling time.

[0005] To achieve this objective, the present invention adopts the following technical solution: A sampling fixture for tobacco liquid materials includes: The support platform has a receiving cavity and at least two feed holes, the at least two feed holes are all connected to the receiving cavity, and the at least two feed holes are distributed at intervals along the axial direction of the support platform; A rotating component is inserted into the receiving cavity and can rotate relative to the receiving cavity. The rotating component has at least two storage chambers, which are spaced apart along the axial direction of the rotating component. The at least two storage chambers are arranged in a one-to-one correspondence with at least two feed holes. When the rotating component is rotated in the forward direction, the opening of the storage chamber is connected to the corresponding feed hole. When the rotating component is rotated in the reverse direction, the opening of the storage chamber is completely offset from the corresponding feed hole.

[0006] In some possible implementations, the opening area of ​​the feed port is smaller than the opening area of ​​the storage chamber.

[0007] In some possible implementations, the rotating component has a slot and a plane, the slot being a semi-circular slot with its axis coinciding with the axis of the rotating component, the slot and the plane together forming the storage chamber, and the opening area of ​​the feed hole being smaller than the opening area of ​​the storage chamber.

[0008] In some possible implementations, the cavity wall of the receiving cavity is recessed with a sliding groove, the rotating member is provided with an insertion part, the insertion part extends into the sliding groove, the insertion part can slide along the groove wall of the sliding groove, the sliding groove includes a first groove body, the first groove body extends along the axial direction of the support platform, and the first end of the first groove body penetrates through the top surface of the support platform.

[0009] In some possible implementations, the sliding groove further includes a second groove body, which communicates with the first groove body and extends circumferentially along the support platform. When the insertion part abuts against one of the two opposite end faces of the second groove body, the opening of the storage chamber communicates with the corresponding feed hole. When the insertion part abuts against the other end face, the opening of the storage chamber is completely offset from the corresponding feed hole.

[0010] In some possible implementations, the sliding groove penetrates the outer wall of the support platform, the insertion part extends into the sliding groove and out of the support platform; the second end of the first groove body is connected to the first end of the second groove body, and when the insertion part contacts the second end face of the second groove body, the storage chamber and the corresponding feed hole are completely offset.

[0011] In some possible implementations, the insertion part is a columnar structure that extends radially along the rotating member; the outer end of the insertion part is connected to a limiting part that extends axially along the rotating member and can fit against the outer wall of the support platform.

[0012] In some possible implementations, the support platform includes a platform body and a connector, the connector being detachably connected to the platform body, the platform body having a first cavity, the connector having a second cavity, the second cavity communicating with the first cavity and forming the receiving cavity.

[0013] In some possible implementations, the top of the platform is provided with an external thread, and the second cavity is provided with an internal thread on the side near the platform, wherein the internal thread is threadedly connected to the external thread; The platform is provided with a marking line that extends along the axial direction of the platform. The connector is provided with a marking post that can be aligned with the marking line.

[0014] In some possible implementations, the flue gas liquid sampling fixture further includes at least two quick-opening valves, which are disposed on the support platform. The at least two quick-opening valves are disposed in one-to-one correspondence with at least two storage chambers. When the openings of the storage chambers are completely offset from the corresponding feed holes, the quick-opening valves are used to control the discharge of liquid from the corresponding storage chambers. The sampling fixture for the tobacco liquid also includes a handle, which is disposed on the rotating component and extends radially along the rotating component; The sampling fixture for the tobacco liquid also includes a sealing element, which is disposed between the outer wall of the rotating component and the cavity wall of the receiving cavity, and the sealing element is provided on at least one side of each storage chamber.

[0015] The beneficial effects of this invention are: The present invention provides a sampling fixture for tobacco liquid, comprising a support platform and a rotating component. Since at least two feed holes are spaced apart along the axial direction of the support platform, and at least two storage chambers are spaced apart along the axial direction of the rotating component, with each storage chamber corresponding to one of the feed holes, simultaneous sampling of liquid at different heights within the storage tank can be achieved during sampling. Liquid at different heights is stored in its corresponding storage chamber. During sampling, the tobacco liquid sampling fixture is placed into the storage tank, and the rotating component is rotated clockwise to connect the opening of the storage chamber with the corresponding feed hole. Liquid at different heights within the storage tank flows into the corresponding storage chamber through the feed hole. Once the storage chamber is full, the rotating component is rotated counterclockwise to completely offset the opening of the storage chamber from the corresponding feed hole, thus blocking the connection and sealing the liquid flowing into the storage chamber between the storage chamber and the cavity wall. Therefore, this invention utilizes a single sampling fixture for tobacco liquid to simultaneously sample liquid at different heights within a storage tank. After sampling, the liquid is directly stored within the fixture. Since at least two storage chambers are spaced apart along the axial direction of the rotating component, segmented storage of liquid at different heights is also possible. The sampling process is relatively simple, and the liquid is not exposed to the external environment, reducing the impact on the liquid testing results. Furthermore, during operation, the operator can perform sampling simply by rotating the rotating component, facilitating sampling and saving time. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the flue gas liquid sampling fixture provided by the present invention; Figure 2 This is an exploded view of the flue gas liquid sampling fixture provided by the present invention; Figure 3 This is a first-view structural schematic diagram of the rotating component involved in this invention; Figure 4 This is a second-view structural schematic diagram of the rotating component involved in this invention; Figure 5 This is a first-view structural schematic diagram of the platform involved in this invention; Figure 6 This is a second-view structural diagram of the platform involved in the present invention.

[0017] In the picture: 1. Support platform; 11. Feed hole; 12. Sliding groove; 121. First groove; 122. Second groove; 13. Platform; 130. First cavity; 131. External thread; 132. Base; 14. Connector; 141. Identifier post; 2. Rotating component; 21. Storage chamber; 211. Slot; 212. Plane; 213. First edge line; 214. Second edge line; 215. Third edge line; 216. Fourth edge line; 22. Insertion part; 23. Limiting part; 24. Annular groove; 3. Quick-opening valve; 4. Handle; 5. Seal. Detailed Implementation

[0018] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0019] In the description of this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection or a detachable connection; a mechanical connection or an electrical connection; a direct connection or an indirect connection through an intermediate medium; or the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0020] In the description of this invention, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0021] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0022] like Figures 1 to 6 As shown, the present invention provides a sampling fixture for tobacco liquid, including a support platform 1 and a rotating component 2. The support platform 1 is provided with a receiving cavity and at least two feed holes 11, which are all connected to the receiving cavity and are spaced apart along the axial direction of the support platform 1. The rotating component 2 is inserted into the receiving cavity and can rotate relative to the receiving cavity. The rotating component 2 is provided with at least two storage chambers 21, which are spaced apart along the axial direction of the rotating component 2. The at least two storage chambers 21 are arranged in a one-to-one correspondence with the at least two feed holes 11. Rotating the rotating component 2 in the forward direction makes the opening of the storage chamber 21 connected to the corresponding feed hole 11. Rotating the rotating component 2 in the reverse direction makes the opening of the storage chamber 21 completely offset from the corresponding feed hole 11.

[0023] Since at least two feed holes 11 are spaced apart along the axial direction of the support platform 1, and at least two storage chambers 21 are spaced apart along the axial direction of the rotating component 2, with each of the at least two storage chambers 21 corresponding to one of the at least two feed holes 11, during sampling, liquid samples at different heights within the storage tank can be sampled simultaneously and stored in the corresponding storage chambers 21. During sampling, the tobacco liquid sampling fixture is placed into the storage tank, and the rotating component 2 is rotated clockwise to connect the opening of the storage chamber 21 with the corresponding feed hole 11. Liquid samples at different heights within the storage tank flow into the corresponding storage chambers 21 through the feed holes 11. Once the storage chambers 21 are full, the rotating component 2 is rotated counterclockwise to completely offset the openings of the storage chambers 21 from the corresponding feed holes 11, thus blocking the connection and sealing the liquid flowing into the storage chambers 21 between the storage chambers 21 and the cavity wall of the receiving chamber. Therefore, this invention utilizes a single tobacco liquid sampling fixture to simultaneously sample liquids at different heights within a storage tank. After sampling, the liquids are directly stored within the fixture. Since at least two storage chambers 21 are spaced apart along the axial direction of the rotating component 2, segmented storage of liquids at different heights is also possible. The sampling process is relatively simple, and the liquids are not exposed to the external environment, reducing the impact on the liquid testing results. Furthermore, during operation, the operator can perform sampling simply by rotating the rotating component 2, facilitating sampling and saving time.

[0024] Optionally, in this embodiment, there are three feed inlets 11 and three storage chambers 21, with each of the three storage chambers 21 corresponding to one of the three feed inlets 11. This arrangement allows for the detection of three portions of liquid at the top, middle, and bottom positions in the storage tank, providing a rough assessment of the liquid's quality. In other embodiments, there may be two, four, or more feed inlets 11.

[0025] Optionally, in this embodiment, the opening area of ​​the feed hole 11 is smaller than the opening area of ​​the storage chamber 21. When the operator rotates the rotating component 2 in the reverse direction, it is convenient for the operator to block the feed hole 11 because the opening area of ​​the feed hole 11 is smaller than the opening area of ​​the storage chamber 21. Optionally, the feed hole 11 is an elongated hole, and the elongated hole extends along the axial direction of the support platform 1.

[0026] Optionally, in this embodiment, as Figure 3 and Figure 4 As shown, the rotating component 2 has a slot 211 and a plane 212. The slot 211 is a semi-circular slot, and its axis coincides with the axis of the rotating component 2. The slot 211 and the plane 212 together form a storage chamber 21. The opening area of ​​the feed hole 11 is smaller than the opening area of ​​the storage chamber 21. This configuration is simple and facilitates the processing of the storage chamber 21. The opening area of ​​the storage chamber 21 located above the rotating component 2 is the area of ​​the semi-circular surface formed by the first side line 213, the second side line 214, the third side line 215, and the fourth side line 216. In this embodiment, the slot 211 of the rotating component 2 is a semi-circular slot, that is, the slot wall of the slot 211 extends 180 degrees along the circumference of the rotating component 2. In other embodiments, the rotating component 2 has a slot 211, and the extension angle of the slot wall along the circumference of the rotating component 2 can be greater than 180 degrees. In addition, the storage chamber 21 located at the upper and middle parts of the rotating part 2 is provided with two planes 212, which are located on both sides of the slot 211, and the storage chamber 21 located at the lower part of the rotating part 2 is provided with one plane 212.

[0027] Optionally, the cavity wall of the receiving cavity is recessed with a sliding groove 12, and the rotating member 2 is provided with an insertion part 22. The insertion part 22 extends into the sliding groove 12 and can slide along the groove wall of the sliding groove 12. The sliding groove 12 includes a first groove body 121, which extends axially along the support platform 1. The first end of the first groove body 121 penetrates the top surface of the support platform 1. Specifically, the first end of the first groove body 121 penetrates the top surface of the connector 14. Since the first end of the first groove body 121 penetrates the top surface of the support platform 1, when the rotating member 2 is installed on the support platform 1, the insertion part 22 can be directly inserted into the sliding groove 12 from the top surface of the support platform 1, which facilitates the installation of the rotating member 2. By extending the first groove body 121 axially along the support platform 1, the first groove body 121 can limit the insertion position of the rotating member 2. In this embodiment, there are two sliding grooves 12, which are symmetrically distributed. There are also two insertion parts 22, which correspond one-to-one with the two sliding grooves 12.

[0028] Optionally, the sliding groove 12 further includes a second groove 122, which communicates with the first groove 121 and extends circumferentially along the support platform 1. When the insertion part 22 abuts against one of the two opposite end faces of the second groove 122, the opening of the storage chamber 21 communicates with the corresponding feed hole 11; when the insertion part 22 abuts against the other end face, the opening of the storage chamber 21 is completely offset from the corresponding feed hole 11. By providing the second groove 122, the rotation position of the rotating member 2 can be limited, thereby limiting whether the opening of the storage chamber 21 communicates with or is completely offset from the corresponding feed hole 11.

[0029] Optionally, the sliding groove 12 penetrates the outer wall of the support platform 1. Specifically, the sliding groove 12 penetrates the outer wall of the connector 14, and the insertion part 22 extends into the sliding groove 12 and out of the support platform 1. This arrangement facilitates observation of the position of the insertion part 22. Optionally, the second end of the first groove 121 is connected to the first end of the second groove 122. When the insertion part 22 contacts the second end face of the second groove 122, the storage chamber 21 and the corresponding feed hole 11 are completely offset. This arrangement makes the sliding groove 12 an L-shaped groove. When the insertion part 22 contacts the second end face of the second groove 122 and the liquid is in storage, the second groove 122 restricts the axial position of the rotating part 2 relative to the support platform 1, ensuring reliable storage of the liquid. In other embodiments, the second end of the first groove 121 is connected to the middle of the second groove 122, making the sliding groove 12 a T-shaped groove.

[0030] Optionally, the insertion part 22 has a columnar structure, and the columnar structure extends radially along the rotating member 2. This configuration simplifies the structure of the insertion part 22. Optionally, a limiting part 23 is connected to the outer end of the insertion part 22. The limiting part 23 extends axially along the rotating member 2 and can fit against the outer wall of the support platform 1. This configuration makes the rotating member 2 rotate more smoothly.

[0031] Optionally, the support platform 1 includes a platform body 13 and a connector 14. The connector 14 is detachably connected to the platform body 13. The platform body 13 has a first cavity 130, and the connector 14 has a second cavity. The second cavity communicates with the first cavity 130 to form a receiving cavity. Specifically, a sliding groove 12 is provided on the connector 14. This arrangement facilitates the assembly and disassembly of the support platform 1, and makes it easy to replace the connector 14 when it is damaged. Optionally, in this embodiment, the top end of the platform body 13 has an external thread 131, and the side of the second cavity near the platform body 13 has an internal thread. The internal thread is threadedly connected to the external thread 131. This arrangement enables a reliable connection between the platform body 13 and the connector 14.

[0032] Optionally, in this embodiment, the platform 13 is provided with a marking line, which extends along the axial direction of the platform 13, such as... Figure 2As shown, the connector 14 is provided with a marker post 141, which can be aligned with the marker line. By setting the marker post 141 and the marker line, when the connector 14 is installed on the platform 13, aligning the marker post 141 with the marker line can determine the installation position of the connector 14 relative to the platform 13. Specifically, since the sliding groove 12 is provided on the connector 14, aligning the marker post 141 with the marker line facilitates determining the position of the sliding groove 12 relative to the platform 13, thereby ensuring the accuracy of the relative position of the storage chamber 21 and the corresponding feed hole 11.

[0033] To save manpower, optionally in this embodiment, the support platform 1 is placed inside the storage tank, with the bottom of the support platform 1 fitting against the bottom wall of the storage tank's inner cavity. With this configuration, sampling can be performed simply by placing the support platform 1 inside the storage tank. Furthermore, as... Figure 5 and Figure 6 As shown, the platform 13 includes a platform body and a base 132. The base 132 is fixed to the bottom of the platform body and has a cross-shaped structure. Setting the base 132 in a cross-shaped structure allows water pressure to act on multiple branch surfaces rather than concentrating on a single continuous surface, helping to avoid localized stress concentration and delaying fatigue damage. Optionally, the platform body can be a cylindrical structure, and the rotating component 2 can be a cylindrical structure. Optionally, both the platform 13 and the rotating component 2 can be made of stainless steel, which has good corrosion resistance.

[0034] Optionally, the sampling fixture for tobacco liquid also includes at least two quick-opening valves 3, which are disposed on the support platform 1. Each of the at least two quick-opening valves 3 corresponds to at least two storage chambers 21. When the openings of the storage chambers 21 are completely offset from their corresponding feed holes 11, the quick-opening valves 3 control the discharge of liquid from the corresponding storage chambers 21. Before testing the liquid, the liquid in the storage chambers 21 is discharged by manually controlling the quick-opening valves 3, and quantitative sampling can be performed according to the required amount. In this embodiment, the quick-opening valves 3 and the feed holes 11 are located on opposite sides of the support platform 1.

[0035] Furthermore, in this embodiment, in order to accelerate the entry of the liquid into the storage chamber 21, the feed port 11 is located near the upper end of the storage chamber 21. In order to accelerate the outflow of the liquid from the storage chamber 21, the quick-opening valve 3 is located near the lower end of the storage chamber 21.

[0036] Optionally, the sampling fixture for flue gas liquid also includes a handle 4, which is disposed on the rotating part 2 and extends radially along the rotating part 2. The handle 4 facilitates the operator's rotation of the rotating part 2. Extending the handle 4 radially along the rotating part 2 makes the rotation operation less strenuous.

[0037] Optionally, the sampling fixture for tobacco liquid also includes a sealing element 5, which is disposed between the outer wall of the rotating member 2 and the inner wall of the support platform 1. At least one side of each storage chamber 21 is provided with a sealing element 5. By providing the sealing element 5, the sealing performance of the space between the storage chamber 21 and the cavity wall of the receiving chamber can be improved. Specifically, in this embodiment, the storage chamber 21 located above the rotating member 2 has sealing elements 5 on both sides, with two sealing elements 5 on each side. Providing two sealing elements 5 on each side further improves the sealing performance; even if the liquid flows out from the sealing element 5 near the storage chamber 21, it can be blocked by the sealing element 5 away from the storage chamber 21. Furthermore, the storage chamber 21 located in the middle of the rotating member 2 has sealing elements 5 on both sides, with two sealing elements 5 on each side; the storage chamber 21 located below the rotating member 2 has two sealing elements 5 on one side. Optionally, the sealing element 5 is an annular sealing ring. In addition, the outer wall of the rotating component 2 is provided with an annular groove 24, which is coaxially arranged with the rotating component 2, and the annular sealing ring is disposed in the annular groove 24. This arrangement can restrict the axial position of the annular sealing ring.

[0038] When installing the sampling fixture for flue gas liquid, connect the internal thread of the connector 14 to the external thread 131 at the top of the platform 13; install the annular sealing ring in the annular groove 24; finally insert the rotating part 2 into the receiving cavity of the support platform 1, and align the insertion part 22 on the rotating part 2 with the first end of the first groove 121, so that the rotating part 2 passes through the first groove 121 and slides to the second end of the second groove 122.

[0039] When sampling is required, the tobacco liquid sampling fixture is placed into the storage tank, and the bottom of the support platform 1 is made to fit against the bottom wall of the inner cavity of the storage tank. Then, the handle 4 on the rotating part 2 is rotated clockwise so that the insertion part 22 on the rotating part 2 contacts the first end face of the second tank 122. At this time, the opening of the storage chamber 21 is connected to the corresponding feed hole 11. Since there are three storage chambers 21, the liquid at three different heights (upper, middle, and lower) flows into the storage chambers 21. After the tobacco liquid sampling fixture is filled with liquid, the handle 4 is rotated counterclockwise so that the insertion part 22 on the rotating part 2 contacts the second end face of the second tank 122. At this time, the opening of the storage chamber 21 is completely offset from the corresponding feed hole 11, and the liquid flowing into the tobacco liquid sampling fixture is completely sealed inside the tobacco liquid sampling fixture. After removing the sampling fixture for the flue gas liquid, the liquid in the storage chamber 21 can be manually discharged through the quick-opening valve 3 on the support platform 1. The quick-opening valve 3 can be manually opened to perform quantitative sampling according to the usage.

[0040] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A sampling fixture for tobacco liquid, characterized in that, include: The support platform (1) is provided with a receiving cavity and at least two feed holes (11), and the at least two feed holes (11) are connected to the receiving cavity, and the at least two feed holes (11) are distributed at intervals along the axial direction of the support platform (1); A rotating component (2) is inserted into the receiving cavity and can rotate relative to the receiving cavity. The rotating component (2) is provided with at least two storage chambers (21). The at least two storage chambers (21) are distributed at intervals along the axial direction of the rotating component (2). The at least two storage chambers (21) are arranged in a one-to-one correspondence with the at least two feed holes (11). When the rotating component (2) is rotated in the forward direction, the opening of the storage chamber (21) is connected to the corresponding feed hole (11). When the rotating component (2) is rotated in the reverse direction, the opening of the storage chamber (21) is completely offset from the corresponding feed hole (11).

2. The sampling fixture for tobacco liquid as described in claim 1, characterized in that, The opening area of ​​the feed hole (11) is smaller than the opening area of ​​the storage chamber (21).

3. The sampling fixture for tobacco liquid according to claim 2, characterized in that, The rotating component (2) is provided with a slot (211) and a plane (212). The slot (211) is a semi-circular slot. The axis of the slot (211) coincides with the axis of the rotating component (2). The slot (211) and the plane (212) together form the storage chamber (21). The opening area of ​​the feed hole (11) is smaller than the opening area of ​​the storage chamber (21).

4. The sampling fixture for tobacco liquid as described in claim 1, characterized in that, The cavity wall of the receiving cavity is recessed with a sliding groove (12), and the rotating part (2) is provided with an insertion part (22). The insertion part (22) extends into the sliding groove (12) and can slide along the groove wall of the sliding groove (12). The sliding groove (12) includes a first groove body (121). The first groove body (121) extends along the axial direction of the support platform (1), and the first end of the first groove body (121) penetrates the top surface of the support platform (1).

5. The sampling fixture for tobacco liquid according to claim 4, characterized in that, The sliding groove (12) further includes a second groove (122), which is connected to the first groove (121). The second groove (122) extends circumferentially along the support platform (1). When the insertion part (22) abuts against one of the two end faces of the second groove (122), the opening of the storage chamber (21) is connected to the corresponding feed hole (11). When the insertion part (22) abuts against the other end face, the opening of the storage chamber (21) is completely offset from the corresponding feed hole (11).

6. The sampling fixture for tobacco liquid according to claim 5, characterized in that, The sliding groove (12) penetrates the outer wall of the support platform (1), and the insertion part (22) extends into the sliding groove (12) and out of the support platform (1); the second end of the first groove (121) is connected to the first end of the second groove (122), and when the insertion part (22) contacts the second end face of the second groove (122), the storage chamber (21) and the corresponding feed hole (11) are completely offset.

7. The sampling fixture for tobacco liquid according to claim 6, characterized in that, The insertion part (22) is a columnar structure, and the columnar structure extends radially along the rotating member (2); the outer end of the insertion part (22) is connected to a limiting part (23), the limiting part (23) extends axially along the rotating member (2), and the limiting part (23) can fit against the outer wall of the support platform (1).

8. The sampling fixture for tobacco liquid according to any one of claims 1-7, characterized in that, The support platform (1) includes a platform body (13) and a connector (14). The connector (14) is detachably connected to the platform body (13). The platform body (13) is provided with a first cavity (130), and the connector (14) is provided with a second cavity. The second cavity communicates with the first cavity (130) and forms the receiving cavity.

9. The sampling fixture for tobacco liquid according to claim 8, characterized in that, The top of the platform (13) is provided with an external thread (131), and the second cavity is provided with an internal thread on the side near the platform (13), and the internal thread is threadedly connected to the external thread (131). The platform (13) is provided with a marking line, which extends along the axial direction of the platform (13). The connector (14) is provided with a marking post (141), which can be aligned with the marking line.

10. The sampling fixture for tobacco liquid according to any one of claims 1-7, characterized in that, The sampling fixture for the tobacco liquid also includes at least two quick-opening valves (3). The quick-opening valves (3) are set on the support platform (1). At least two quick-opening valves (3) are set one-to-one with at least two storage chambers (21). When the opening of the storage chamber (21) is completely offset from the corresponding feed hole (11), the quick-opening valve (3) is used to control the discharge of the liquid in the corresponding storage chamber (21). The sampling fixture for the tobacco liquid also includes a handle (4), which is disposed on the rotating part (2) and extends radially along the rotating part (2); The sampling fixture for tobacco liquid also includes a sealing element (5), which is disposed between the outer wall of the rotating part (2) and the cavity wall of the receiving cavity, and the sealing element (5) is provided on at least one side of each storage chamber (21).

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