Vegetable pesticide residue rapid detection device

Abstract

The utility model discloses a rapid vegetable pesticide residue detection device, which relates to the technical field of pesticide residue detection and comprises a machine body, one side of the machine body is connected with a movable plate through a rotating shaft, the bottom end of the movable plate is connected with a telescopic rod through a connecting shaft, and the other end of the telescopic rod is fixedly mounted on the outer wall of the machine body; the interior of the movable plate is connected with a lead screw through a bearing. According to the utility model, the movable plate is rotationally arranged on one side of the machine body, so that the movable plate can guide an eluted vegetable solution to be detected on the surface into the sample receiving groove, and the device can directly and quickly detect vegetables conveniently; according to the vegetable pesticide residue detection device, the movable plate is arranged on the surface of the movable plate, a dropping pipette can accurately drop and elute vegetables on the surface of the movable plate, the detection quality of the vegetables is ensured, and under the action of a spectrum detector arranged below the sample receiving groove, efficient and accurate pesticide residue detection on the vegetables by the spectrum detector is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of pesticide residue detection, in particular to a rapid detection device for vegetable pesticide residues. Background Art

[0002] As the quality of life gradually improves, people's requirements for food safety are getting higher and higher. Vegetables are an important source of essential vitamins and minerals for the human body and are essential foods for people's nutritious meals. In vegetable cultivation, applying pesticides to prevent insects is an indispensable link. Pesticides have a certain degradation period. Some vegetables, especially those with a short growth period, still contain a certain amount of difficult-to-decompose residues when they are harvested and enter consumers' homes. Therefore, these vegetables need to be tested in real time.

[0003] A rapid fruit and vegetable pesticide residue detection device with a Chinese patent publication number of CN213957341U is disclosed, which includes a device body, a support fixedly connected to the bottom of the device body, a display screen fixedly installed on one side of the device body, a fixed block fixedly connected to one side of the inner side of the device body, a slide rail fixedly connected to one side of the fixed block, a detection platform slidably connected to one side of the slide rail, and a slide rod fixedly connected to one side of the detection platform.

[0004] In the above-mentioned document, the rapid fruit and vegetable pesticide residue detection device realizes the function of rapid detection of organophosphorus and carbamate pesticide residues in vegetables through detection rods and spectrometers. However, the detection device detects and extracts samples through detection rods, which affects the subsequent detection accuracy and easily interferes with the detection results of vegetable pesticide residues. In addition, the detection rods are inconvenient to replace, which has poor practicality and increases the cost of use and maintenance. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the existing detection device that detects and extracts samples through detection rods, which affects the accuracy of subsequent detection, easily interferes with the detection results of vegetable pesticide residues, is inconvenient to replace the detection rods, has poor practicality, and increases the cost of use and maintenance, and a vegetable pesticide residue rapid detection device is proposed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A rapid detection device for pesticide residues in vegetables comprises a body, one side of the body is connected to a movable plate via a rotating shaft, the bottom end of the movable plate is connected to a telescopic rod via a connecting shaft, and the other end of the telescopic rod is fixedly mounted on the outer wall of the body;

[0008] A lead screw is connected to the inside of the movable plate through a bearing, and a movable plate is connected to the outer wall of the lead screw through a ball nut. The bottom end of the movable plate is slidably arranged on the surface of the guide rail.

[0009] A guide tube is arranged at the bottom end of one side of the movable plate, and the guide tube is fixedly installed inside the machine body.

[0010] A sample receiving groove is arranged below the guide tube, and the top end of the sample receiving groove is slidably connected to the machine body through a slider.

[0011] As a further description of the above technical solution:

[0012] The guide rail is fixedly installed on the surface of the movable plate, and two groups of guide rails are symmetrically arranged about the central axis of the lead screw, and the lead screw is arranged in the middle of the movable plate.

[0013] As a further description of the above technical solution:

[0014] Limit clips are arranged on both sides above the movable plate.

[0015] As a further description of the above technical solution:

[0016] The lead screw is driven to rotate by a driving motor, and the driving motor is fixedly installed on one side of the movable plate.

[0017] As a further description of the above technical solution:

[0018] A spectral detector is arranged below the sample receiving groove, and the spectral detector is fixedly installed on the inner bottom of the machine body.

[0019] As a further description of the above technical solution:

[0020] The sample receiving groove is arranged in a "U" - shaped structure, and a through - hole for accommodating the detection of the spectral detector is provided in the middle of the sample receiving groove.

[0021] As a further description of the above technical solution:

[0022] A sample testing paper is movably arranged on the inner bottom wall of the sample receiving groove.

[0023] As a further description of the above technical solution:

[0024] A liquid - discharging cylinder is arranged above the machine body, and the bottom end of the liquid - discharging cylinder is connected with a liquid - dropping tube, and the liquid - dropping tube is arranged above one side of the movable plate;

[0025] A baffle is arranged at the top of the liquid - dropping tube, and the top end of the baffle is connected with a connecting rod;

[0026] A liquid - adding tube is arranged at the top of the liquid - discharging cylinder.

[0027] As a further description of the above technical solution:

[0028] The outer wall of the connecting rod is sleeved with a return spring, and the return spring is arranged on the top of the drip tube.

[0029] As a further description of the above technical solution:

[0030] The connecting rod and the baffle are vertically distributed, and the baffle is telescopically movable inside the deliquidation cylinder to open and close the top of the dropper tube.

[0031] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0032] In the utility model, a movable plate is rotatably arranged on one side of the machine body, so that the movable plate can guide the eluted vegetable solution to be detected on the surface into the sample receiving slot, so that the device can directly and quickly detect the vegetables. At the same time, under the action of the deliquidation cylinder and the dropper tube arranged above the machine body, the dropper tube can accurately drip and elute the vegetables on the surface of the movable plate, thereby ensuring the detection quality of the vegetables. Moreover, under the action of the spectrometer arranged below the sample receiving slot, the spectrometer can perform efficient and accurate pesticide residue detection on the vegetables. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a three-dimensional structural schematic diagram of a rapid detection device for vegetable pesticide residues in the utility model;

[0034] Figure 2 This is a schematic cross-sectional structure diagram of a rapid detection device for vegetable pesticide residues in the utility model;

[0035] Figure 3 It is a three-dimensional structural schematic diagram of the movable plate and the moving plate in the utility model;

[0036] Figure 4 For the utility model Figure 2 A is an enlarged structural diagram of FIG.

[0037] Legend:

[0038] 1. Machine body; 2. Rotating shaft; 3. Movable plate; 4. Connecting shaft; 5. Telescopic rod; 6. Screw rod; 7. Moving plate; 8. Limiting clamp; 9. Guide rail; 10. Driving motor; 11. Guide tube; 12. Sample receiving slot; 13. Sliding block; 14. Spectrometer; 15. Sample paper; 16. Deliquidation cylinder; 17. Dropping tube; 18. Baffle; 19. Connecting rod; 20. Return spring. DETAILED DESCRIPTION

[0039] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0040] Referring to Figure 1-Figure 4 , a rapid detection device for vegetable pesticide residues, comprising a machine body 1, a rotating shaft 2, a movable plate 3, a connecting shaft 4, a telescopic rod 5, a lead screw 6, a moving plate 7, a limit clip 8, a guide rail 9, a driving motor 10, a guide tube 11, a sample receiving groove 12, a slider 13, a spectral detector 14, a sample testing paper 15, a liquid discharging cylinder 16, a dropping tube 17, a baffle 18, a connecting rod 19 and a return spring 20. On one side of the machine body 1, a movable plate 3 is connected through a rotating shaft 2, and the movable plate 3 is arranged in a wedge shape on one side inside the machine body 1. At the same time, a telescopic rod 5 is connected to the bottom end of the movable plate 3 through a connecting shaft 4, and the other end of the telescopic rod 5 is fixedly installed on the outer wall of the machine body 1. Through such a setting, the telescopic rod 5 drives the movable plate 3 to move through driving. Under the action of the connecting shaft 4, it is ensured that the extension of the telescopic rod 5 drives the movable plate 3 to rotate through the rotating shaft 2, and in order to facilitate the effective detection of the sample to be detected inside the machine body 1;

[0041] On the bottom end of one side of the movable plate 3, a guide tube 11 is arranged, and the guide tube 11 is fixedly installed inside the machine body 1. Through such a setting, when the movable plate 3 rotates through the rotating shaft 2, the sample on the surface enters the guide tube 11. A sample receiving groove 12 is arranged below the guide tube 11, and the sample receiving groove 12 is arranged in a "U" shape. At the same time, a sample testing paper 15 is movably arranged on the inner bottom wall of the sample receiving groove 12, which is convenient for the sample to flow to the surface of the sample testing paper 15. Moreover, in order to maintain and replace the sample testing paper 15 inside the sample receiving groove 12, the top end of the sample receiving groove 12 is slidably connected to the machine body 1 through a slider 13, which is convenient for stretching the sample receiving groove 12. And a handle is arranged on the surface of the sample receiving groove 12, which is convenient for pulling the sample receiving groove 12. At the same time, a spectral detector 14 is arranged below the sample receiving groove 12, and the spectral detector 14 is fixedly installed at the inner bottom of the machine body 1. And a through hole for the spectral detector 14 to detect is arranged in the middle of the sample receiving groove 12. Through such a setting, the spectral detector 14 can detect the sample testing paper 15 with sample reagents inside the sample receiving groove 12 inside the machine body 1, which is convenient for detecting the pesticide residues in vegetable samples;

[0042] Furthermore, considering the accuracy and flexibility of detecting vegetable samples on the surface of the movable plate 3, a screw rod 6 is connected to the inside of the movable plate 3 through a bearing, and the screw rod 6 is driven to rotate by a drive motor 10, and the drive motor 10 is fixedly installed on one side of the movable plate 3. At the same time, a movable plate 7 is connected to the outer wall of the screw rod 6 through a ball nut, which is convenient for the movable plate 7 to move on the surface of the movable plate 3, and it is convenient for the user to move the vegetables to the inner side of the body 1 from the outside. In order to improve the stability of the vegetables to be detected, limit clamps 8 are arranged on both sides above the movable plate 7 to facilitate the fixing of the vegetables. At the same time, the bottom end of the movable plate 7 is slidably arranged on the surface of the guide rail 9, and the guide rail 9 is fixedly installed on the surface of the movable plate 3 to ensure the movement effect of the movable plate 7. At the same time, considering the movement balance of the movable plate 7, two groups of guide rails 9 are symmetrically arranged about the central axis of the screw rod 6, and the screw rod 6 is arranged in the middle of the movable plate 3, so as to realize the precise movement of the movable plate 7, so that the movable plate 7 can drive the vegetables to be detected to move to the bottom of the deliquidation cylinder 16.

[0043] Reference Figure 1-Figure 4 Furthermore, considering the washing effect on the vegetables, a deliquidating cylinder 16 is arranged above the body 1, and a liquid adding tube is arranged on the top of the deliquidating cylinder 16, so as to add the solution to the inside, and a dropper 17 is connected to the bottom end of the deliquidating cylinder 16, and the dropper 17 is arranged above one side of the movable plate 3, so that when the movable plate 7 drives the vegetables to move to the inside of the body 1, the dropper 17 performs drip washing on the vegetables. Specifically, considering the working effect of the dropper 17, a baffle 18 is arranged on the top of the dropper 17, and the baffle 18 A connecting rod 19 is connected to the top end, so that the connecting rod 19 and the baffle 18 are distributed vertically. At the same time, a reset spring 20 is sleeved on the outer wall of the connecting rod 19, and the reset spring 20 is set at the top of the drip tube 17, so that when the user stretches the connecting rod 19, the reset spring 20 is stretched, and the reset spring 20 achieves the closing effect of the baffle 18 on the drip tube 17 under normal conditions, so that the baffle 18 can be telescopically moved inside the deliquidation cylinder 16 to open and close the top of the drip tube 17, which is conducive to the device to accurately drip wash the vegetables.

[0044] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A rapid detection device for pesticide residues in vegetables, comprising a body (1), characterized in that: One side of the body (1) is connected with a movable plate (3) through a rotating shaft (2), and the bottom end of the movable plate (3) is connected with a telescopic rod (5) through a connecting shaft (4), and the other end of the telescopic rod (5) is fixedly installed on the outer wall of the body (1); A lead screw (6) is connected to the inside of the movable plate (3) through a bearing, and a moving plate (7) is connected to the outer wall of the lead screw (6) through a ball nut, and the bottom end of the moving plate (7) is slidably arranged on the surface of a guide rail (9); A guide tube (11) is arranged at the bottom end of one side of the movable plate (3), and the guide tube (11) is fixedly installed inside the body (1); A sample receiving groove (12) is arranged below the guide tube (11), and the top end of the sample receiving groove (12) is slidably connected to the body (1) through a slider (13).

2. A rapid detection device for pesticide residues in vegetables according to claim 1, characterized in that: The guide rail (9) is fixedly installed on the surface of the movable plate (3), and two groups of guide rails (9) are symmetrically arranged about the central axis of the lead screw (6), and the lead screw (6) is arranged in the middle of the movable plate (3).

3. A rapid detection device for pesticide residues in vegetables according to claim 1, characterized in that: Limit clips (8) are arranged on both sides above the moving plate (7).

4. A rapid detection device for pesticide residues in vegetables according to claim 2, characterized in that: The lead screw (6) is driven to rotate by a driving motor (10), and the driving motor (10) is fixedly installed on one side of the movable plate (3).

5. A rapid detection device for pesticide residues in vegetables according to claim 1, characterized in that: A spectral detector (14) is arranged below the sample receiving groove (12), and the spectral detector (14) is fixedly installed on the inner bottom of the body (1).

6. A rapid detection device for pesticide residues in vegetables according to claim 5, characterized in that: The sample receiving groove (12) is arranged in a "U" shape, and a through hole for accommodating the detection of the spectral detector (14) is opened in the middle of the sample receiving groove (12).

7. A rapid detection device for pesticide residues in vegetables according to claim 6, characterized in that: A sample testing paper (15) is movably arranged on the inner bottom wall of the sample receiving groove (12).

8. A rapid detection device for pesticide residues in vegetables according to claim 5, characterized in that: A liquid discharging cylinder (16) is arranged above the body (1), and the bottom end of the liquid discharging cylinder (16) is connected with a liquid dropping tube (17), and the liquid dropping tube (17) is arranged above one side of the movable plate (3); A baffle (18) is arranged at the top of the liquid dropping tube (17), and the top end of the baffle (18) is connected with a connecting rod (19); A liquid adding tube is arranged at the top of the liquid discharging cylinder (16).

9. A rapid detection device for pesticide residues in vegetables according to claim 8, characterized in that: A return spring (20) is sleeved on the outer wall of the connecting rod (19), and the return spring (20) is arranged at the top of the liquid dropping tube (17).

10. A rapid detection device for pesticide residues in vegetables according to claim 8, characterized in that: The connecting rod (19) and the baffle (18) are vertically distributed, and the baffle (18) telescopically moves inside the liquid discharging cylinder (16) to open and close the top of the liquid dropping tube (17).

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