A rapid detection test card for pollutants

Abstract

The utility model discloses a kind of pollutant rapid detection test cards, including long strip shell, detachably equipped with inner shell in shell body, quick release structure is equipped between inner shell and shell body;Back surface is equipped with friction groove in shell body;Liquid preparation groove is equipped in friction groove;Inner shell front and close to lower end are equipped with containing groove, and several different test paper strips are equipped in containing groove;The front of inner shell is movably equipped with the stop lever that can limit test paper strip.The utility model is equipped with two parts of inner shell and shell body, and inner shell is used to store different test paper strips, and different pollutant detection is coped with;Shell body can carry out quick rubbing breakage to food sample, and simple sample can be quickly prepared after adding reagent, and detection is carried out directly through test paper strip, improve detection efficiency.

Description

Technical Field

[0001] This utility model relates to the field of food testing technology, specifically to a rapid detection test card for contaminants. Background Technology

[0002] Food safety testing is a crucial link in safeguarding public health, maintaining social stability, and promoting economic development, and is of paramount importance. By detecting harmful substances in food, such as bacteria, viruses, heavy metals, and pesticide residues, we can effectively prevent foodborne illnesses and protect consumers' health; we can promptly identify contaminants and harmful components in food, preventing consumers from ingesting excessive amounts of harmful substances and reducing the risk of chronic diseases; food safety testing ensures that food sold in the market meets national standards, preventing unscrupulous merchants from gaining illicit profits by adding illegal additives or selling substandard food, and maintaining a fair competitive environment in the market.

[0003] In the existing technology, there are a number of rapid detection methods based on test strips for the rapid detection of pesticide residues or contaminants in food. These methods are usually based on immunochromatography (such as colloidal gold test strips), enzyme inhibition methods or chemical colorimetric reactions, and are characterized by simple operation, low cost and rapid results.

[0004] In practice, food samples cannot be directly tested with test strips. They need to be crushed and mixed with a sample preparation agent to form a liquid sample. However, simple test strips do not provide the tools for this operation, requiring the search for additional tools for liquid sample preparation, which reduces testing efficiency. In addition, due to technological limitations, most test strips can only target specific substances. When multiple contaminants need to be detected, test strips need to be changed. Therefore, carrying only one type of test strip in actual use is a limitation. In summary, there is room for technological improvement. Utility Model Content

[0005] This invention aims to solve the aforementioned technical problems of low detection efficiency and limitations of test strips by providing a rapid pollutant detection test card.

[0006] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: a rapid detection test card for pollutants, including a long strip-shaped outer shell, an inner shell detachably provided inside the outer shell, and a quick-release structure provided between the inner shell and the outer shell; the quick-release structure includes limiting rods provided on both sides of the inner shell and near the upper end, and limiting grooves provided on both sides of the outer shell to accommodate the limiting rods;

[0007] The outer casing has a friction groove on its back side, and a plurality of friction protrusions are arranged in the friction groove; a liquid preparation tank is provided in the friction groove.

[0008] The inner shell has a receiving groove on its front side and near its lower end, and several different test strips are placed in the receiving groove; the front side of the inner shell is provided with a stop bar that can limit the position of the test strips.

[0009] Furthermore, the inner shell is hollow and rotatably provided with a threaded support rod. The upper end of the threaded support rod extends out of the inner shell and is provided with a disc. The outer side of the threaded support rod is threadedly connected with an inverted frustum-shaped nut block. Symmetrical limiting plates are slidably provided on the outer side of the nut block. Each limiting plate is fixedly connected to a corresponding limiting rod.

[0010] Furthermore, the disc is in close frictional contact with the inner shell; a circular button is provided on the disc.

[0011] Furthermore, the inner housing has strip grooves on both sides of the receiving groove on the front side, and a sliding rod is provided in each strip groove. A slider is slidably provided on the outside of the sliding rod, and the two ends of the stop rod are respectively fixed to the corresponding slider. A spring is provided below the slider and between the strip groove and on the outside of the sliding rod.

[0012] Furthermore, there is a height difference between the upper and lower parts of the inner shell, forming a rectangular space; the front of the outer shell is provided with a transparent cover plate adapted to the rectangular space, and the transparent cover plate is in contact with the inner side of the outer shell by compression.

[0013] Furthermore, a groove is provided on the front side of the outer shell near the upper end, and a liquid suction tube is squeezed into the groove.

[0014] The advantages of this utility model compared with the prior art are as follows:

[0015] It consists of two parts: an inner shell and an outer shell. The inner shell is used to store different test strips to detect different contaminants; the outer shell can quickly crush food samples by friction, and after adding reagents, it can quickly prepare simple samples, which can be directly tested through the test strips without the need for other tools or an operating table, thus improving the detection efficiency. It is suitable for scenarios with limited conditions but requiring rapid detection. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the inner shell structure of this utility model.

[0018] Figure 3 This is a schematic diagram of the outer shell structure of this utility model.

[0019] Figure 4 This is a schematic diagram of the quick-release structure of this utility model.

[0020] As shown in the figure: 1. Outer shell, 2. Inner shell, 3. Limiting rod, 4. Limiting groove, 5. Threaded support rod, 6. Disc, 7. Nut block, 8. Limiting plate, 9. Round button, 10. Friction groove, 11. Liquid preparation tank, 12. Test strip, 13. Stop bar, 14. Strip groove, 15. Sliding rod, 16. Spring, 17. Transparent cover plate, 18. Suction tube. Detailed Implementation

[0021] The present invention will now be described in further detail with reference to the accompanying drawings.

[0022] Example 1, in conjunction with Appendix Figure 1 , 2 3, 4, A rapid detection test card for pollutants includes an elongated outer shell 1, an inner shell 2 detachably disposed inside the outer shell 1, and a quick-release structure between the inner shell 2 and the outer shell 1; specifically, the quick-release structure includes limiting rods 3 provided on both sides of the inner shell 2 and near the upper end, and limiting grooves 4 provided on both sides of the outer shell 1 to accommodate the limiting rods 3.

[0023] Based on the above structure, the inner shell 2 is hollow and has a threaded support rod 5 that rotates. The upper end of the threaded support rod 5 extends out of the inner shell 2 and has a disc 6. The outer side of the threaded support rod 5 is threaded with an inverted frustum-shaped nut block 7. Symmetrical limiting plates 8 are slidably provided on the outer side of the nut block 7. The limiting plates 8 are all fixedly connected to the corresponding limiting rods 3. Thus, in the above structure, rotating the disc 6 drives the threaded support rod 5 to rotate, which in turn drives the nut block 7 to move. This causes the limiting plates 8 to move the corresponding limiting rods 3 into or out of the corresponding limiting grooves 4, thereby realizing the installation or disassembly of the inner shell 2. It is also worth mentioning that the limiting plates 8 have sliders on opposite sides and the nut blocks 7 have corresponding sliding grooves on both sides. The cross-sections of the sliders and sliding grooves are dovetail-shaped, which enables linkage movement without disengaging.

[0024] In addition, the disc 6 is in close frictional contact with the inner shell 2, so that the disc 6 will not rotate on its own when no external force is applied; the disc 6 is provided with a round button 9, which makes it easy to apply force to drive the disc 6 to rotate.

[0025] Combined with appendix Figure 3 The outer shell 1 has a friction groove 10 on the inner back side, and a number of friction protrusions are arranged in the friction groove 10. The friction groove 10 has a liquid preparation tank 11. The friction groove 10 can quickly rub and break the food sample, and push the broken pulp into the liquid preparation tank 11. After adding reagents, a simple sample can be quickly prepared. The outer shell 1 has a groove on the front and near the top. A liquid suction tube 18 is squeezed into the groove. The liquid suction tube 18 is used to draw liquid samples and drip them into the test strip 12.

[0026] Combined with appendix Figure 1 , 2The inner shell 2 has a receiving groove on the front and near the bottom, and several different test strips 12 are provided in the receiving groove to facilitate the detection of different pollutants;

[0027] The inner housing 2 has a movable stop bar 13 on its front side that can limit the test strip 12. Specifically, the inner housing 2 has strip grooves 14 on both sides of the receiving groove on its front side. Each strip groove 14 has a slide bar 15, and a slider is slidably mounted on the outside of the slide bar 15. The two ends of the stop bar 13 are fixed to the corresponding sliders. A spring 16 is provided between the slider and the strip groove 14 and on the outside of the slide bar 15. Thus, through the cooperation of the slide bar 15 and the slider, the stop bar 13 can be moved downward to remove the test strip 12. After releasing the handle, the stop bar 13 will automatically reset due to the reset action of the spring 16, preventing the test strip 12 from falling out later.

[0028] Combined with appendix Figure 1 There is a height difference between the upper and lower parts of the inner shell 2, forming a rectangular space; the front of the outer shell 1 is provided with a transparent cover plate 17 that is adapted to the rectangular space, and the transparent cover plate 17 is pressed and contacted with the inner side of the outer shell 1; the transparent cover plate 17 can protect the outermost test strip 12, preventing it from getting dusty, damp or ineffective.

[0029] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A rapid detection test card for pollutants, characterized in that: The device includes a long strip-shaped outer shell (1), an inner shell (2) that is detachably provided inside the outer shell (1), and a quick-release structure between the inner shell (2) and the outer shell (1); the quick-release structure includes a limiting rod (3) provided on both sides of the inner shell (2) and near the upper end, and a limiting groove (4) provided on both sides of the outer shell (1) that can accommodate the limiting rod (3). The outer shell (1) has a friction groove (10) on its inner back side, and a plurality of friction protrusions are arranged in the friction groove (10); a liquid preparation tank (11) is provided in the friction groove (10). The inner shell (2) has a receiving groove on the front and near the lower end, and a number of different test strips (12) are provided in the receiving groove; the inner shell (2) has a stop bar (13) on the front that can limit the test strips (12).

2. The rapid detection test card for pollutants according to claim 1, characterized in that: The inner shell (2) is hollow inside and is provided with a threaded support rod (5) for rotation. The upper end of the threaded support rod (5) extends out of the inner shell (2) and is provided with a disc (6). The outer side of the threaded support rod (5) is threaded with an inverted frustum-shaped nut block (7). The outer side of the nut block (7) is provided with symmetrical limiting plates (8). The limiting plates (8) are all fixedly connected to the corresponding limiting rods (3).

3. The rapid detection test card for pollutants according to claim 2, characterized in that: The disc (6) is in close frictional contact with the inner shell (2); the disc (6) is provided with a round button (9).

4. The rapid detection test card for pollutants according to claim 1, characterized in that: The inner shell (2) has a strip groove (14) on the front and on both sides of the receiving groove. A slide rod (15) is provided in each of the strip grooves (14). A slider is slidably provided on the outside of the slide rod (15). The two ends of the stop rod (13) are respectively fixed to the corresponding slider. A spring (16) is provided between the slider and the strip groove (14) and on the outside of the slide rod (15).

5. The rapid detection test card for pollutants according to claim 1, characterized in that: There is a height difference between the upper and lower parts of the inner shell (2), forming a rectangular space; the front of the outer shell (1) is provided with a transparent cover plate (17) adapted to the rectangular space, and the transparent cover plate (17) is in contact with the inner side of the outer shell (1).

6. The rapid detection test card for pollutants according to claim 1, characterized in that: The outer shell (1) has a groove on the front and near the top, and a suction tube (18) is squeezed into the groove.

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