Pesticide residue detecting and sampling device
By designing a pesticide residue detection and sampling device, the separation of samples and culture medium is achieved using components such as placement rings, placement plates, and filter holes, which solves the problem of difficulty in separation after contact between the detection sample and the culture medium, and improves the detection effect.
Patent Information
- Application Number
- CN202420670494.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-02
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-04-02
AI Technical Summary
During the pesticide residue detection process, it is difficult to separate the test sample after contact with the culture medium, resulting in the sample being injected into the collection cylinder along with the culture medium, affecting the detection effect.
A pesticide residue detection sampling device is designed, including sampling tubes, discharge tubes, control valves, placement rings, placement plates, filter holes, cover plates, seal plugs, counterbars and limit blocks. Through the combination of these components, Effective separation of the sample and the culture medium is achieved, and the sample is prevented from being injected into the collection cylinder with the culture medium.
It effectively solves the problem of difficulty in separation after contact with the culture medium, ensures the accuracy and effectiveness of subsequent testing, and improves the operation convenience of the detection process.
Smart Images
Figure CN222299234U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pesticide sampling, in particular to a pesticide residue detection sampling device. Background Art
[0002] Food safety plays a very important role in modern life. Safe and pollution-free food is the most needed guarantee for modern people. However, most fruits and vegetables currently need to be sprayed with pesticides for many times in the growth process before they can mature and be put on the market, and the varieties of pesticides sprayed each time are also very different. The resulting pesticide residues in agricultural products, food and other items are one of the important potential factors that endanger human health, making the rapid and efficient detection of pesticide residues particularly important.
[0003] During the test, the user will place the test sample in a sampling tube and contact it with the culture solution, so that the pesticide residues attached to the surface of the test sample are mixed with the culture solution, so that the culture solution can be discharged into the interior of the collection tube accordingly and the culture solution in the collection tube is tested accordingly at the same time, so that the content of pesticide residues in the test sample can be detected. However, in the actual operation process, there is a problem that after the test sample contacts the culture solution, it cannot be easily separated from the culture solution, and it is easy to be injected into the interior of the collection tube along with the culture solution, thereby affecting the subsequent detection effect. Therefore, corresponding improvements need to be made according to the above problems. Utility Model Content
[0004] The purpose of the utility model is to provide a pesticide residue detection sampling device to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pesticide residue detection sampling device, comprising a sampling tube, the bottom end of the sampling tube is connected to a discharge pipe, and the outer surface of the discharge pipe is provided with a control valve, a placement ring is placed inside the sampling tube, and a placement plate is overlapped on the top surface of the placement ring, a plurality of groups of filter holes are opened inside the placement plate, a cover plate is placed on the top end of the sampling tube, and a sealing plug is installed at the bottom end of the cover plate, a plurality of groups of abutting rods are installed at the bottom end of the sealing plug, and limit blocks are installed at the bottom ends of the abutting rods.
[0006] Preferably, a handle bar is installed on the top of the cover plate, and a collecting cylinder is placed directly below the discharge pipe.
[0007] Preferably, the sealing plug is disposed inside the sampling tube, and the outer diameter of the sealing plug is matched with the inner diameter of the sampling tube, and the shape of the sealing plug is annular.
[0008] Preferably, the plurality of groups of the abutting rods are centrally symmetrically arranged with the center point of the sealing plug as the center point.
[0009] Preferably, the limiting blocks are all arc-shaped, and the bottom surfaces of the limiting blocks are fitted with the top surface of the placement plate.
[0010] Preferably, a hand-held rod is installed at a middle position on the top of the placement plate, and the top surface of the hand-held rod is arranged flush with the top surface of the sampling tube.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] The arrangement of components such as a placement ring, a placement plate, a filter hole, a hand-held rod, a cover plate, a hand-held rod, a sealing plug, a support rod and a limit block can effectively solve the problem that during the detection operation, when the test sample comes into contact with the culture solution, it cannot be easily separated from the culture solution, and is easily injected into the interior of the collection tube along with the culture solution, thus affecting the subsequent detection results. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional structural schematic diagram of the main body of the utility model.
[0014] Figure 2 It is a schematic diagram of the internal three-dimensional structure of the sampling tube of the utility model.
[0015] Figure 3 for Figure 2 Enlarged schematic diagram at point A in the middle.
[0016] In the figure: 1. sampling tube; 11. discharge pipe; 12. control valve; 13. placement ring; 14. placement plate; 15. filter hole; 16. hand-held rod; 2. cover plate; 21. hand-held rod; 22. sealing plug; 23. support rod; 24. limit block; 3. collection tube. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] See also Figures 1 to 3The utility model provides a technical solution: a sampling device for detecting pesticide residues, comprising a sampling tube 1, a liquid injection hole is provided on the outer surface of the sampling tube 1 near the top, a discharge pipe 11 is connected to the bottom end of the sampling tube 1, and a control valve 12 is provided on the outer surface of the discharge pipe 11, a placement ring 13 is placed inside the sampling tube 1, and a placement plate 14 is overlapped on the top surface of the placement ring 13, the placement ring 13 can support the placement plate 14, a plurality of groups of filter holes 15 are provided inside the placement plate 14, a hand-held rod 16 is installed at the middle position of the top end of the placement plate 14, and the top surface of the hand-held rod 16 is arranged to be flush with the top surface of the sampling tube 1.
[0019] A cover plate 2 is placed on the top of the sampling tube 1, and a sealing plug 22 is installed on the bottom of the cover plate 2. The sealing plug 22 is arranged inside the sampling tube 1, and the outer diameter of the sealing plug 22 is matched with the inner diameter of the sampling tube 1. The shape of the sealing plug 22 is annular. A plurality of groups of abutting rods 23 are installed on the bottom of the sealing plug 22, and a limiting block 24 is installed on the bottom end of the abutting rod 23. The plurality of groups of abutting rods 23 are centrally symmetrically arranged with the center point of the sealing plug 22 as the center point. The shape of the limiting blocks 24 are all arc-shaped, and the bottom surfaces of the limiting blocks 24 are all fitted with the top surface of the placement plate 14. A hand grip rod 21 is installed on the top of the cover plate 2, and a collecting cylinder 3 is placed directly below the discharge pipe 11.
[0020] The sampling tube 1 is installed inside the top plate, and a support plate is installed on one side of the top plate. A workbench is installed at the bottom end of the support plate, and the collecting tube 3 is placed on the table top of the workbench.
[0021] During use, the user can place the test sample inside the sampling tube 1 (the test sample is an edible after spraying pesticides), so that the test sample can be placed on the top surface of the placement plate 14. After that, the cover plate 2 can be covered on the top surface of the sampling tube 1 by the hand holding rod 21, so that the sealing plug 22 can be placed in the top position of the inside of the sampling tube 1. At the same time, several groups of supporting rods 23 can extend into the interior of the sampling tube 1, so that the bottom surface of the limiting block 24 can be fitted with the top surface of the placement plate 14 and limited accordingly. After that, the culture solution can be injected into the interior of the sampling tube 1 through the injection hole, so that the culture solution attached to the surface of the test sample can be Pesticide residues can be mixed with the culture solution, and the placement plate 14 is limited by several groups of supporting rods 23 and several groups of limit blocks 24, so that the placement plate 14 will not float accordingly. After that, the control valve 12 can be rotated to open, so that the culture solution mixed with the pesticide residues in the sampling tube 1 can be injected into the collection tube 3 through the discharge pipe 11. Due to the arrangement of the placement plate 14 and several groups of filter holes 15, the test sample cannot be injected into the collection tube 3 along with the culture solution, thereby completing the sampling operation of the pesticide residue. Finally, the collection tube 3 can be placed in a special detector for corresponding detection.
[0022] When all the culture fluid in the sampling tube 1 is discharged, the user can take out the cover plate 2 and the top of the sampling tube 1 by holding the rod 21, so that the sealing plug 22, several groups of supporting rods 23 and several groups of limit blocks 24 can be taken out from the interior of the sampling tube 1, and finally the placement plate 14 can be moved upward by holding the rod 16, so that the placement plate 14 can be moved out from the interior of the sampling tube 1, so that the test sample can be moved out together.
[0023] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A sampling device for pesticide residue detection, comprising a sampling tube (1), characterized in that: The bottom end of the sampling tube (1) is connected to a discharge pipe (11), and a control valve (12) is provided on the outer surface of the discharge pipe (11). A placement ring (13) is placed inside the sampling tube (1), and a placement plate (14) is overlapped on the top surface of the placement ring (13). A plurality of groups of filter holes (15) are provided inside the placement plate (14). A cover plate (2) is placed on the top end of the sampling tube (1), and a sealing plug (22) is installed at the bottom end of the cover plate (2). A plurality of groups of abutting rods (23) are installed at the bottom end of the sealing plug (22), and a limit block (24) is installed at the bottom end of each of the abutting rods (23).
2. A pesticide residue detection sampling device according to claim 1, characterized in that: A handle bar (21) is installed at the top end of the cover plate (2), and a collecting cylinder (3) is placed directly below the discharge pipe (11).
3. A pesticide residue detection sampling device according to claim 1, characterized in that: The sealing plug (22) is arranged inside the sampling tube (1), and the outer diameter of the sealing plug (22) is matched with the inner diameter of the sampling tube (1). The shape of the sealing plug (22) is annular.
4. A pesticide residue detection sampling device according to claim 1, characterized in that: The plurality of groups of the abutting rods (23) are all centrally symmetrically arranged with the center point of the sealing plug (22) as the center point.
5. A pesticide residue detection sampling device according to claim 1, characterized in that: The shape of the limit blocks (24) is an arc, and the bottom surface of the limit blocks (24) is fitted with the top surface of the placement plate (14).
6. A pesticide residue detection sampling device according to claim 1, characterized in that: A hand-held rod (16) is installed at the middle position of the top end of the placement plate (14), and the top surface of the hand-held rod (16) is arranged flush with the top surface of the sampling tube (1).