Drug residue detection test paper card

Abstract

The utility model relates to the technical field of test paper cards, in particular to a drug residue detection test paper card which comprises a shell and a test paper body arranged in the shell, the shell comprises a bottom shell, a detachable upper cover is arranged on the bottom shell, a containing cavity and an installation cavity are oppositely arranged in the bottom shell, and a connecting piece is arranged in the installation cavity. Pressing pieces for pressing the test paper body are arranged on the opposite side walls of the accommodating cavity; the test paper body comprises a water-stop sheet, and a developing section, a water absorption film and a substrate section are sequentially arranged on the water-stop sheet. Through the arrangement of the connecting piece and the pressing piece, when the upper cover and the bottom shell need to be repeatedly used, the upper cover can be taken down from the bottom shell through the connecting piece, then the test paper body in the containing cavity is taken out, the upper cover and the bottom shell are cleaned and dried, a new test paper body is fixed in the containing cavity through the pressing piece, and finally the upper cover is installed on the bottom shell. Therefore, the test paper body in the test paper card can be replaced, the utilization rate of the shell is improved, and the waste of resources is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a test paper card technical field, concretely, relate to a medicine residual detection test paper card. BACKGROUND

[0002] In the agricultural production process, the commonly used pesticides are used to treat agricultural products to reduce the influence of diseases and insect pests, and pesticide residues refer to the micro amount of pesticide original body, toxic metabolite, degradation product and impurity that are not decomposed and remain in biological bodies, harvests, soil, water bodies and atmosphere within a period after the use of pesticides, at present, pesticide residues are often detected by special test paper cards.

[0003] For example, the patent with the announcement number CN221350202U discloses a kind of detection fruit and vegetable single pesticide residue colloidal gold detection card, including hollow shell, test paper body is arranged in the inside of shell, the upper surface of shell is equipped with opening, the upper surface of shell is equipped with outer cylinder on one side, the inner wall of outer cylinder is equipped with inner cylinder by screwing, the lower side of outer cylinder is equipped with aluminium foil, the upper surface of shell is equipped with recess on the side close to outer cylinder, the inner wall of recess is equipped with plug rod by sliding, the upper end of plug rod is equipped with pressing rod, the lower surface of pressing rod is attached to inner cylinder, the outer surface of plug rod is equipped with scale on one side;Although the pesticide residue colloidal gold detection card has the advantages that it does not need to be calculated during the process of dropping the sample, and the difference in milliliter amount of the sample to be injected is small, and it is easy to use;However, the test paper body in the detection card is pasted and installed in the inside of shell, since the shell is inconvenient to disassemble and assemble, after the use of the detection card is completed, the test paper body is inconvenient to replace, and the shell needs to be discarded together, which causes waste, so it needs to be improved. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of medicine residual detection test paper card to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of medicine residual detection test paper card, including shell and test paper body in shell, shell includes bottom shell, and the detachable upper cover is arranged on bottom shell, and the accommodating cavity for placing test paper body and the installation cavity located at the two sides of accommodating cavity are oppositely arranged in bottom shell, the connecting piece for realizing that upper cover is installed on bottom shell is arranged in installation cavity, and the pressing member for pressing test paper body is arranged on the opposite side wall of accommodating cavity;Test paper body includes water stop, and color development section, water absorption membrane and substrate section are sequentially arranged on water stop, color development window is arranged on upper cover corresponding to color development section, and sample addition port is arranged on upper cover corresponding to substrate section.

[0007] As preferred, the connecting piece comprises a connecting cylinder arranged in the mounting cavity and a connecting column arranged on the lower side of the upper cover, and an arc-shaped groove is arranged on the lower side wall of the connecting cylinder in opposition, and a convex ring part is formed on the outer side wall of the connecting column and protrudes outward along the circumferential direction, and the convex ring part is capable of being clamped into the corresponding arc-shaped groove.

[0008] As preferred, a notch groove is arranged on the opposite side wall of the accommodating cavity, and a fixing shaft is arranged in the notch groove; the pressing piece comprises a pressing block capable of being reversibly arranged in the notch groove, the pressing block is in L shape, the fixing shaft is arranged through the pressing block, the pressing block is reversibly arranged in the notch groove to realize the accommodation of the pressing block, and the pressing block is reversibly arranged in the accommodating cavity to press the test paper body.

[0009] As preferred, the opposite side walls of the notch groove are oppositely provided with a first fixing hole and a second fixing hole, and the opposite side walls of the pressing block are oppositely provided with a first elastic column and a second elastic column, the first elastic column is arranged in the first fixing hole to realize the accommodation of the pressing block in the notch groove, and the second elastic column is arranged in the second fixing hole to realize the pressing of the test paper body by the pressing block.

[0010] As preferred, the two ends of the water absorption film are respectively overlapped with the inner ends of the color developing section and the substrate section to form an overlapping part.

[0011] As preferred, the material of the waterproof plate is PVC.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses a test paper card, which comprises a bottom shell, a test paper body arranged in the bottom shell, an upper cover arranged on the bottom shell, a connecting piece arranged between the upper cover and the bottom shell and a pressing piece arranged in the accommodating cavity of the upper cover.

[0014] 2. The utility model discloses a test paper card, which comprises a bottom shell, a test paper body arranged in the bottom shell, an upper cover arranged on the bottom shell, a connecting piece arranged between the upper cover and the bottom shell and a pressing piece arranged in the accommodating cavity of the upper cover. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of a drug residue detection test paper card in the utility model.

[0016] Figure 2 It is an explosion view of the bottom shell, the test paper body and the upper cover in the utility model.

[0017] Figure 3 It is a structure schematic view of the upper cover and the connecting column in the utility model.

[0018] Figure 4The structure schematic view of the bottom shell, the test paper body and the compression block in the utility model.

[0019] Figure 5 The structure schematic view of the bottom shell, the test paper body and the compression block in the utility model.

[0020] Figure 6 For Figure 5 The enlarged view of A in the middle.

[0021] Figure 7 The structure schematic view of the compression block, the first elastic column and the second elastic column in the utility model.

[0022] The structure schematic view in the utility model.

[0023] The meaning of each mark in the figure is:

[0024] 100, bottom shell; 110, upper cover; 111, sample adding port; 112, color development window;

[0025] 20, test paper body; 200, accommodating cavity; 210, mounting cavity; 211, connecting barrel; 212, arc-shaped groove; 220, waterproof plate; 221, water absorption film; 222, substrate section; 223, color development section; 230, compression block.

[0026] 320, connecting column;

[0027] 400, notch groove;

[0028] 500, first fixing hole; 501, second fixing hole; 510, fixing shaft;

[0029] 600, first elastic column; 601, second elastic column. DETAILED DESCRIPTION

[0030] In order to further understand the content of the utility model, the utility model is described in detail in combination with the drawings and the embodiments. It should be understood that the embodiments are only used to explain the utility model and are not limited.

[0031] The following is combined with the drawings Figures 1-7 The embodiment is further described in detail.

[0032] Please refer to Figures 1-4The drug residue detection test paper card in the embodiment comprises a shell and a test paper body 20 arranged in the shell. The shell comprises a bottom shell 100, and a detachable upper cover 110 is arranged on the bottom shell 100. A containing cavity 200 for placing the test paper body 20 and mounting cavities 210 located on both sides of the containing cavity 200 are oppositely arranged in the bottom shell 100. A connecting piece for realizing mounting of the upper cover 110 on the bottom shell 100 is arranged in the mounting cavities 210. A pressing piece for pressing the test paper body 20 is arranged on the opposite side wall of the containing cavity 200. The test paper body 20 comprises a waterproof plate 220, and a color developing section 223, a water absorption film 221 and a substrate section 222 are sequentially arranged on the waterproof plate 220. A color developing window 112 corresponding to the color developing section 223 is arranged on the upper cover 110. A sample adding port 111 corresponding to the substrate section 222 is arranged on the upper cover 110.

[0033] In the embodiment, the waterproof plate 220 is made of a PVC plate, which is used to fix other components of the test paper body 20. Specifically, the color developing section 223 is added with an indophenol acetate reagent, and the substrate section 222 is added with a cholinesterase reagent. The water absorption film 221 is a water absorption paper. The color developing section 223 and the substrate section 222 are connected by using the water absorption film 221. In actual use, only the sample solution needs to be added dropwise to the substrate section 222. After the sample solution is mixed and reacted with the reagent in the substrate section 222, the reacted solution is absorbed to the color developing section 223 through the water absorption film 221, and then the reaction of the reagent in the color developing section 223 is performed to produce color change. The detection result can be judged by observing the color development.

[0034] The upper cover 110 and the bottom shell 100 are both made of hard plastic, so that the manufacturing cost of the test paper card is low. The sample adding port 111 and the color developing window 112 are arranged, so that in actual use, the sample solution is added dropwise to the substrate section 222 through the sample adding port 111, and the detection result is observed through the color developing window 112.

[0035] Specifically, the color developing section 223 and the substrate section 222 are both water absorption glass fiber membranes, which have good water absorption. The color developing reagent (indophenol acetate reagent) and the substrate reagent (cholinesterase reagent) are respectively filled in the water absorption glass fiber membranes. After the sample solution is added, the sample solution can fully react with the substrate reagent and is absorbed to the color developing section 223 through the water absorption film 221 for color development.

[0036] As shown in the combination Figure 2 The two ends of the water absorption film 221 are respectively overlapped with the inner ends of the color developing section 223 and the substrate section 222 to form overlapping parts. The overlapping parts are arranged to enable the solution between different regions to be fully absorbed and flow.

[0037] The connecting piece and the pressing piece are arranged, so that when the upper cover 110 and the bottom shell 100 need to be reused, the upper cover 110 can be taken off from the bottom shell 100 through the connecting piece, then the test paper body 20 in the containing cavity 200 is taken out, the upper cover 110 and the bottom shell 100 are cleaned and dried, the new test paper body 20 is fixed in the containing cavity 200 through the pressing piece, and finally the upper cover 110 is installed on the bottom shell 100, so that the test paper body 20 in the test paper card can be replaced, the utilization rate of the shell is improved, and the waste of resources is reduced.

[0038] In combination Figures 2-3 As shown in the drawings, in the embodiment, the connecting piece includes a connecting cylinder 211 arranged in the mounting cavity 210 and a connecting column 320 arranged on the lower side of the upper cover 110, and the lower side wall of the connecting cylinder 211 is oppositely provided with an arc-shaped groove 212, and the outer side wall of the connecting column 320 is outwardly protruded along the circumference to form a convex ring part which is clamped into the corresponding arc-shaped groove 212.

[0039] In the embodiment, the connecting column 320 and the convex ring part are made of rubber, which has a certain deformation performance, when the connecting column 320 is inserted into the connecting cylinder 211 from the upper end, the convex ring part on the connecting column 320 is extruded by the connecting cylinder 211, so as to be reduced to be inserted into the connecting cylinder 211, when the connecting column 320 contacts the arc-shaped groove 212, the convex ring part is deformed and reset, and is clamped into the arc-shaped groove 212, so that the connecting column 320 is fixed in the arc-shaped groove 212 through the interference fit, thereby completing the connection of the bottom shell 100 and the upper cover 110.

[0040] In combination Figures 4-7 As shown in the drawings, in the embodiment, the containing cavity 200 is provided with a notch groove 400 on the opposite side walls, and the notch groove 400 is provided with a fixing shaft 510; the pressing piece includes a pressing block 230 which is reversibly arranged in the notch groove 400, the pressing block 230 is L-shaped, the fixing shaft 510 penetrates the pressing block 230, the pressing block 230 is turned into the notch groove 400 to realize the storage of the pressing block 230, and the pressing block 230 is turned into the containing cavity 200 to press the test paper body 20.

[0041] Specifically, the first fixing hole 500 and the second fixing hole 501 are oppositely arranged on the opposite side walls of the notch groove 400, the first elastic column 600 and the second elastic column 601 are oppositely arranged on the opposite side walls of the pressing block 230, the first elastic column 600 is located in the first fixing hole 500 to realize the storage of the pressing block 230 in the notch groove 400, and the second elastic column 601 is located in the second fixing hole 501 to realize the pressing of the test paper body 20 by the pressing block 230.

[0042] In the embodiment, the pressing block 230 can rotate around the fixed shaft 510, when it is needed to press the test paper body 20, the pressing block 230 is turned out of the notch groove 400, the pressing block 230 extrudes the lap joint part, the test paper body 20 is fixed in the containing cavity 200, at this time, the second elastic column 601 is located in the second fixed hole 501, due to the friction force between the second elastic column 601 and the second fixed hole 501, the pressing block 230 always keeps the state of being close to the lap joint part, when it is needed to take out the test paper body 20, the pressing block 230 can be rotated to be away from the test paper body 20 and be turned into the notch groove 400, at this time, the first elastic column 600 is located in the first fixed hole 500, due to the friction force, the state can be kept, the pressing block 230 is stored in the notch groove 400, so that the test paper body 20 is taken out from the containing cavity 200.

[0043] Working principle: when it is needed to repeatedly use the upper cover 110 and the bottom shell 100, the upper cover 110 can be taken off from the bottom shell 100, the pressing block 230 is turned into the notch groove 400, the test paper body 20 in the containing cavity 200 is taken out, the upper cover 110 and the bottom shell 100 are cleaned and dried, so that the sample solution remaining in the upper cover 110 and the bottom shell 100 does not affect the next detection, the new test paper body 20 is placed in the containing cavity 200, the pressing block 230 is turned into the notch groove 400, the test paper body 20 is fixed, finally, the upper cover 110 is installed on the bottom shell 100, the replacement of the test paper body 20 can be realized.

[0044] In conclusion, the above only describes the preferred embodiment of the utility model, any change and modification made according to the patent application scope of the utility model should belong to the coverage range of the utility model patent.

Claims

1. A drug residue test paper card comprising a housing and a test paper body (20) provided in the housing, characterized in that: The shell comprises a bottom shell (100) provided with a detachable upper cover (110), a containing cavity (200) for placing a test paper body (20) and installation cavities (210) on both sides of the containing cavity (200) are oppositely arranged in the bottom shell (100), the installation cavities (210) are provided with connecting pieces for realizing the installation of the upper cover (110) on the bottom shell (100), and the opposite side walls of the containing cavity (200) are provided with pressing pieces for pressing the test paper body (20); the test paper body (20) comprises a waterproof plate (220), the waterproof plate (220) is sequentially provided with a color developing section (223), a water absorption film (221) and a substrate section (222), the upper cover (110) is provided with a color developing window (112) corresponding to the color developing section (223), and the upper cover (110) is provided with a sample adding port (111) corresponding to the substrate section (222).

2. The drug residue test paper card according to claim 1, characterized in that: The connecting piece comprises a connecting cylinder (211) arranged in the installation cavity (210) and a connecting column (320) arranged on the lower side of the upper cover (110), the lower side wall of the connecting cylinder (211) is oppositely provided with an arc-shaped groove (212), and the outer side wall of the connecting column (320) is outwardly protruded along the circumferential direction to form a convex ring part which is clamped into the corresponding arc-shaped groove (212).

3. The drug residue test paper card according to claim 1, characterized in that: The opposite side walls of the containing cavity (200) are provided with notched grooves (400), and the notched grooves (400) are provided with fixed shafts (510); the pressing piece comprises a pressing block (230) reversibly arranged in the notched groove (400), the pressing block (230) is L-shaped, the fixed shaft (510) penetrates the pressing block (230) and is arranged, the pressing block (230) is turned into the notched groove (400) to realize the storage of the pressing block (230), and the pressing block (230) is turned into the containing cavity (200) to press the test paper body (20).

4. The drug residue test paper card according to claim 3, characterized in that: The opposite side walls of the notched groove (400) are oppositely provided with first and second fixed holes (500, 501), and the opposite side walls of the pressing block (230) are oppositely provided with first and second elastic columns (600, 601), the first elastic column (600) is located in the first fixed hole (500) to realize the storage of the pressing block (230) in the notched groove (400), and the second elastic column (601) is located in the second fixed hole (501) to realize the pressing of the test paper body (20) by the pressing block (230).

5. The drug residue test paper card according to claim 1, characterized in that: The two ends of the water absorption film (221) are respectively connected with the inner ends of the color developing section (223) and the substrate section (222) to form a lap joint part.

6. The drug residue test paper card according to claim 1, characterized in that: The waterproof plate (220) is made of PVC.

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