An extraction device for veterinary drug residue detection

Abstract

This utility model relates to the technical field of extraction devices for veterinary drug residue detection, and more particularly to an extraction device for veterinary drug residue detection, comprising a device body, a receiving frame fixedly connected to the top left side of the device body, a feeding box fixedly installed at the top rear section of the receiving frame, a cover plate hinged to the top of the feeding box, and a flow guide frame connected to one end of the front of the feeding box. In the sample addition stage, the inclined design of the flow guide frame allows the sample to automatically slide into the centrifuge tank, eliminating the need for manual transfer; during centrifugation, the centrifuge and pump one automatically complete solid-liquid separation and liquid storage; during reagent titration, pump two and the titration nozzle precisely and quantitatively add reagents; compared to traditional manual operation or simple mechanical assistance extraction devices, this reduces a large number of tedious manual operation steps, significantly shortens the detection time, increases the sample processing capacity per unit time, and effectively meets the high efficiency requirements of modern veterinary drug residue detection.

Description

Technical Field

[0001] This utility model relates to the technical field of extraction devices for veterinary drug residue detection, and in particular to an extraction device for veterinary drug residue detection. Background Technology

[0002] With the rapid development of modern animal husbandry, the widespread use of veterinary drugs has effectively safeguarded animal health and farming efficiency. However, the problem of veterinary drug residues has also arisen. Veterinary drug residues not only threaten human food safety but may also trigger ecological risks such as bacterial resistance. Therefore, accurate and efficient detection of veterinary drug residues has become a crucial link in ensuring food safety.

[0003] Currently, the extraction process for veterinary drug residue detection generally faces numerous challenges. Traditional extraction devices often rely on manual operation or simple mechanical assistance. During sample separation, some devices exhibit poor separation performance, making it difficult to effectively extract veterinary drug residues and affecting the sensitivity and reliability of subsequent detection. Furthermore, existing extraction devices have low functional integration, with each stage operating relatively independently, resulting in bulky devices, low space utilization, and insufficient smooth connection between different components, increasing the risk of sample contamination. Based on these issues, an extraction device for veterinary drug residue detection is proposed to address the aforementioned problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides an extraction device for veterinary drug residue detection. It solves the problems that some devices have poor separation effects during sample separation, making it difficult to effectively extract veterinary drug residues, which affects the sensitivity and reliability of subsequent detection. Furthermore, existing extraction devices have low functional integration, with each step being relatively independent, resulting in a large device size, low space utilization, and insufficient smooth connection between different components, which increases the risk of sample contamination.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: an extraction device for veterinary drug residue detection, comprising a device body, a receiving frame fixedly connected to the top left side of the device body, a feeding box fixedly installed at the top rear section of the receiving frame, a cover plate hinged to the top of the feeding box, a flow guide frame connected to one end of the front of the feeding box, a centrifuge tank connected to one end of the front of the flow guide frame, a centrifuge fixedly installed at the top of the centrifuge tank, a discharge pipe connected to the bottom of the centrifuge tank, a liquid extraction pipe connected to the top of the centrifuge tank, a pump connected to the other end of the liquid extraction pipe, a discharge pipe connected to one end of the back of the pump, a liquid tank connected to the bottom of the discharge pipe, and the receiving frame... A test tube rack is fixedly installed at the right end of the receiving frame. A placement rack is slidably connected to the inner wall of the test tube rack. A ring frame is fixedly installed at the top of the placement rack. Test tubes are clamped and connected to the inner wall of the ring frame. A central box is fixedly installed at the top of the rear section of the device body. A liquid storage box is fixedly installed at the top of the middle section of the device body. A fixed sliding rod is fixedly connected to one end of the front of the liquid storage box. A sliding clamp is slidably connected to the outer wall of the fixed sliding rod. A vertical rod is fixedly connected to the top of the sliding clamp. A fixed rod is fixedly connected to the top of the vertical rod. A second pump is fixedly installed at the top of the fixed rod. A second liquid extraction pipe is connected to the right end of the second pump. A second drop pipe is connected to one end of the back of the second pump. A dropper head is connected to one end of the back of the second drop pipe.

[0006] A further improvement is that the guide frame is tilted downwards at one end of the front of the feeding box; because the guide frame is tilted downwards at one end of the front of the feeding box, the sample automatically slides down along the guide frame under the action of gravity and enters the centrifuge tank fixedly installed on the inner wall of the receiving frame. This process does not require manual intervention, reducing operational errors and the risk of contamination.

[0007] A further improvement is that the centrifuge tank is fixedly installed on the inner wall of the receiving frame, and the discharge pipe is inclined downwards and located on the top left side of the storage box. When the sample enters the centrifuge tank, the centrifuge fixedly installed on the top is started. The centrifuge rotates at high speed to generate centrifugal force, which separates the different components in the sample due to their density differences. The denser solid residue settles to the bottom of the centrifuge tank and automatically slides into the storage box through the discharge pipe inclined downwards and located on the top left side of the storage box.

[0008] A further improvement is that the pump is fixedly installed on the top of the receiving frame, and the liquid discharge pipe is connected to the inner wall of the receiving frame.

[0009] A further improvement is that the liquid tank is fixedly installed on the top left side of the device body, while the liquid with lower density is located on the top of the centrifuge tank. At this time, the first pump is turned on, and the first pump extracts the separated liquid through the first liquid extraction pipe connected to the top of the centrifuge tank. The liquid is then transported through the first liquid drop pipe to the liquid tank fixedly installed on the top left side of the device body for storage, thus completing the initial separation of the sample.

[0010] A further improvement is that the test tube rack is supported on the top of the central box, and the test tubes are equidistantly arranged on the inner wall of the limiting hole opened in the mounting frame; the inner wall of the test tube rack fixedly installed on the right end of the support frame is slidably connected to the mounting frame, and the testing personnel can clamp and place the test tubes in the ring frame at the top of the mounting frame according to actual needs, and the test tubes are equidistantly arranged on the inner wall of the limiting hole opened in the mounting frame to ensure that the test tubes are arranged neatly.

[0011] A further improvement is that the bottom of the second suction tube is located at the bottom of the inner cavity of the storage box, and the titration head is connected to the inner wall of the fixed rod, with the bottom of the titration head located at the top of the test tube; the storage box is used to store the reagents required for extraction, and a sliding clamp is slidably connected to the outer wall of the fixed sliding rod fixedly connected to one end of its front; the sliding clamp is fixedly installed with the second pump through the top upright and fixed rod, and the bottom of the second suction tube of the second pump is located at the bottom of the inner cavity of the storage box, ensuring that the reagents in the storage box can be completely extracted.

[0012] By employing the above technical solution, this utility model provides an extraction device for detecting veterinary drug residues, which has at least the following beneficial effects:

[0013] 1. In the sample addition stage, this utility model utilizes the inclined design of the guide rack to allow the sample to automatically slide into the centrifuge tank without manual transfer; during centrifugation, the centrifuge and pump one automatically complete solid-liquid separation and liquid storage; during reagent titration, pump two and the titration dropper precisely add reagents in quantitative amounts; compared with traditional manual operation or simple mechanically assisted extraction devices, it reduces a large number of tedious manual operation steps, significantly shortens the detection time, increases the sample processing volume per unit time, and effectively meets the high efficiency requirements of modern veterinary drug residue detection.

[0014] 2. In this invention, test tubes are equidistantly positioned within the limiting holes of the mounting frame. The sliding clamp and fixed slide rod allow for flexible adjustment of the titling tip position, ensuring precise reagent delivery into the test tubes. The second suction tube extends deep into the bottom of the storage box, enabling complete reagent extraction and quantitative addition. The centrifuge and centrifuge design ensures efficient sample separation and reduces interference from residual impurities. These designs effectively avoid human error, improve the precision of sample processing, and thus make veterinary drug residue detection results more accurate and reliable, meeting increasingly stringent testing standards. Attached Figure Description

[0015] The accompanying drawings, which are provided to further illustrate this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application.

[0016] In the attached diagram:

[0017] Figure 1This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the back side structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the oblique side structure of this utility model;

[0020] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0021] In the diagram: 1. Device body; 2. Receiving frame; 3. Feeding box; 4. Cover plate; 5. Flow guide frame; 6. Centrifuge tank; 7. Centrifuge; 8. Feed pipe; 9. Liquid extraction pipe one; 10. Pump one; 11. Liquid extraction pipe one; 12. Liquid tank; 13. Test tube rack; 14. Placement rack; 15. Ring frame; 16. Test tube; 17. Central box; 18. Liquid storage box; 19. Fixed slide bar; 20. Sliding clamp; 21. Vertical pole; 22. Fixed rod; 23. Pump two; 24. Liquid extraction pipe two; 25. Liquid extraction pipe two; 26. Titration dropper. Detailed Implementation

[0022] 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.

[0023] During sample separation, some devices fail to achieve satisfactory separation results, making it difficult to effectively extract veterinary drug residues. This affects the sensitivity and reliability of subsequent detection. Furthermore, existing extraction devices have low functional integration, with each step relatively independent, resulting in bulky devices, low space utilization, and insufficient smooth connection between different components, increasing the risk of sample contamination. This embodiment provides an extraction device for veterinary drug residue detection. Please refer to... Figures 1-4The embodiment provides an extraction device for detecting veterinary drug residues, including a device body 1. A receiving frame 2 is fixedly connected to the top left side of the device body 1. A feeding box 3 is fixedly installed on the top rear section of the receiving frame 2. A cover plate 4 is hinged to the top of the feeding box 3. A flow guide frame 5 is connected to one end of the front of the feeding box 3. A centrifuge tank 6 is connected to one end of the front of the flow guide frame 5. A centrifuge 7 is fixedly installed on the top of the centrifuge tank 6. A discharge pipe 8 is connected to the bottom of the centrifuge tank 6. A liquid extraction pipe 9 is connected to the top of the centrifuge tank 6. The other end of the liquid extraction pipe 9 is connected to... A pump 10 is installed, with a drop pipe 11 connected to one end of the back of the pump 10. A liquid tank 12 is connected to the bottom of the drop pipe 11. A test tube rack 13 is fixedly installed on the right end of the receiving frame 2. A mounting frame 14 is slidably connected to the inner wall of the test tube rack 13. A ring frame 15 is fixedly installed on the top of the mounting frame 14. Test tubes 16 are clamped and connected to the inner wall of the ring frame 15. A central box 17 is fixedly installed on the top of the rear section of the device body 1. A liquid storage box 18 is fixedly installed on the top of the middle section of the device body 1. A fixed sliding rod is fixedly connected to one end of the front of the liquid storage box 18. 19. A sliding clamp 20 is slidably connected to the outer wall of the fixed sliding rod 19. A vertical rod 21 is fixedly connected to the top of the sliding clamp 20. A fixed rod 22 is fixedly connected to the top of the vertical rod 21. A second pump 23 is fixedly installed on the top of the fixed rod 22. A second liquid extraction pipe 24 is connected to the right end of the second pump 23. A second liquid drop pipe 25 is connected to one end of the back of the second pump 23. A dropper head 26 is connected to one end of the back of the second liquid drop pipe 25. A flow guide 5 is inclined downward and set at one end of the front of the feeding box 3. A centrifuge tank 6 is fixedly installed on the inner wall of the receiving frame 2. The discharge pipe 8 is inclined downward and set on the top left side of the liquid storage box 18; the pump 10 is fixedly installed on the top of the receiving frame 2, and the discharge pipe 11 is connected to the inner wall of the receiving frame 2; the liquid tank 12 is fixedly installed on the top left side of the device body 1; the test tube rack 13 is supported on the top of the central box 17, and the test tubes 16 are equidistantly set on the inner wall of the limiting hole opened in the mounting frame 14; the bottom of the second suction pipe 24 is set at the bottom of the inner cavity of the liquid storage box 18, and the titrating head 26 is connected to the inner wall of the fixing rod 22, and the bottom of the titrating head 26 is set at the top of the test tube 16.

[0024] Working principle: The testing personnel open the hinged cover 4 at the top of the feeding box 3 and place the sample to be tested into the feeding box 3. Because the guide frame 5 is tilted downwards at one end of the front of the feeding box 3, the sample automatically slides down along the guide frame 5 under gravity and enters the centrifuge tank 6, which is fixedly installed on the inner wall of the receiving frame 2. This process requires no manual intervention, reducing operational errors and the risk of contamination. After the sample enters the centrifuge tank 6, the centrifuge 7, fixedly installed at the top, is started. The centrifuge 7 rotates at high speed, generating centrifugal force, causing different components in the sample to separate due to density differences. The denser solid residue settles to the bottom of the centrifuge tank 6 and automatically slides into the storage box 18 through the downward-tilting drop pipe 8 located at the top left side of the storage box 18. Meanwhile, the less dense solid residue... The liquid is located at the top of the centrifuge tank 6. At this time, the pump 10 is turned on. The pump 10 draws out the separated liquid through the liquid extraction pipe 9 connected to the top of the centrifuge tank 6 and delivers it through the liquid drop pipe 11 to the liquid tank 12 fixedly installed on the top left side of the device body 1 for storage, completing the initial separation of the sample. The test tube rack 13 fixedly installed on the right end of the receiving frame 2 is slidably connected to the placement rack 14. The testing personnel can clamp and place the test tubes 16 in the ring frame 15 at the top of the placement rack 14 according to actual needs. The test tubes 16 are equidistantly arranged on the inner wall of the limiting hole opened in the placement rack 14 to ensure that the test tubes are neatly arranged. By sliding the placement rack 14, the position of the test tubes 16 can be adjusted so that they are precisely aligned with the titration dropper 26, preparing for the subsequent reagent titration.

[0025] The storage box 18 is used to store the reagents required for extraction. A sliding clamp 20 is slidably connected to the outer wall of a fixed sliding rod 19 fixedly connected to one end of its front. The sliding clamp 20 is fixedly mounted with a second pump 23 via a top upright 21 and a fixed rod 22. The bottom of the second pump 23's suction tube 24 is positioned at the bottom of the inner cavity of the storage box 18, ensuring complete extraction of the reagents from the storage box 18. When reagents need to be added to the test tube 16, the second pump 23 is activated, drawing the reagents from the storage box 18 and delivering them via a dropper tube 25 to a titrating nozzle 26 connected to the inner wall of the fixed rod 22. The titrating nozzle 26 then precisely drips the reagents into the test tube 16 located below it. Because the bottom of the titrating nozzle 26 is precisely positioned at the top of the test tube 16… The device enables quantitative addition of reagents, which are then thoroughly mixed with the separated liquid stored in the liquid tank 12 in the test tube 16 to complete the extraction process of veterinary drug residues. The components of the device achieve efficient collaborative work through a reasonable spatial layout and connection method. For example, the receiving frame 2, as a key support structure, not only fixes components such as the feeding box 3, centrifuge tank 6, and pump 10, but also provides an installation foundation for the test tube rack 13, ensuring accurate positional relationships between components and smooth material transfer and operation. Simultaneously, the cooperation between the sliding clamp 20 and the fixed slide rod 19 allows for flexible adjustment of the positions of pump 23 and the titration nozzle 26, adapting to the titration needs of test tubes of different specifications, thus improving the versatility and practicality of the device.

[0026] Through the close cooperation and orderly operation of the above components, this device achieves automation, precision and efficiency in the extraction process for veterinary drug residue detection, effectively solves the problems existing in traditional devices, and meets the high standards required for modern veterinary drug residue detection.

[0027] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An extraction device for detecting veterinary drug residues, comprising a device body (1), characterized in that: The device body (1) is fixedly connected to the top left side of the support frame (2). The top rear section of the support frame (2) is fixedly installed with a feeding box (3). The top of the feeding box (3) is hinged with a cover plate (4). One end of the front of the feeding box (3) is connected to a flow guide frame (5). One end of the front of the flow guide frame (5) is connected to a centrifuge tank (6). The top of the centrifuge tank (6) is fixedly installed with a centrifuge (7). The bottom of the centrifuge tank (6) is connected to a discharge pipe (8). The top of the centrifuge tank (6) is connected to a liquid extraction pipe (9). The other end of the liquid extraction pipe (9) is connected to a pump (10). One end of the back of the pump (10) is connected to a discharge pipe (11). The bottom of the discharge pipe (11) is connected to a liquid tank (12). The right end of the support frame (2) is fixedly installed with a test tube rack (13). The inner wall of the test tube rack (13) is slidably connected with a mounting frame (14). The top of the mounting frame (14) is fixedly installed with a ring frame (15), and the inner wall of the ring frame (15) is clamped and connected with a test tube (16). The top of the rear section of the device body (1) is fixedly installed with a central box (17), and the top of the middle section of the device body (1) is fixedly installed with a liquid storage box (18). One end of the front of the liquid storage box (18) is fixedly connected with a fixed slide rod (19), and the outer wall of the fixed slide rod (19) is slidably connected with a sliding clamp (20). The top of the sliding clamp (20) is fixedly connected with a vertical rod (21), and the top of the vertical rod (21) is fixedly connected with a fixed rod (22). The top of the fixed rod (22) is fixedly installed with a second pump (23). The right end of the second pump (23) is connected to a second liquid extraction pipe (24), and one end of the back of the second pump (23) is connected to a second liquid drop pipe (25). One end of the back of the second liquid drop pipe (25) is connected to a titration dropper (26).

2. The extraction device for detecting veterinary drug residues according to claim 1, characterized in that: The flow guide (5) is inclined downward at one end of the front of the feeding box (3).

3. The extraction device for detecting veterinary drug residues according to claim 1, characterized in that: The centrifuge tank (6) is fixedly installed on the inner wall of the receiving frame (2), and the discharge pipe (8) is inclined downward and set on the top left side of the liquid storage box (18).

4. The extraction device for detecting veterinary drug residues according to claim 1, characterized in that: The pump (10) is fixedly installed on the top of the support frame (2), and the liquid drop pipe (11) is connected to the inner wall of the support frame (2).

5. The extraction device for detecting veterinary drug residues according to claim 1, characterized in that: The liquid tank (12) is fixedly installed on the top left side of the device body (1).

6. The extraction device for detecting veterinary drug residues according to claim 1, characterized in that: The test tube rack (13) is supported on the top of the central box (17), and the test tubes (16) are equidistantly arranged on the inner wall of the limiting hole opened in the mounting frame (14).

7. The extraction device for detecting veterinary drug residues according to claim 1, characterized in that: The bottom of the second suction tube (24) is located at the bottom of the inner cavity of the liquid storage box (18), and the titration head (26) is connected to the inner wall of the fixing rod (22), with the bottom of the titration head (26) located at the top of the test tube (16).

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