Sulfonamides detection reagent strip

Abstract

The sulfonamide drug detection reagent strip comprises a shell and reagent strips, a detection chamber is formed in the upper portion of the shell, an upper cover covers an opening in the top of the detection chamber in a pluggable mode, a detection disc is rotatably connected to the interior of the detection chamber, and a plurality of reagent strips are pasted to the surface of the detection disc; the interior of the detection chamber is rotatably connected with one end of an adjusting rod through a bearing, the other end of the adjusting rod penetrates through the top wall of the shell, extends to the exterior of the shell and forms a screwing part, and the adjusting rod is in transmission connection with the detection disc through a transmission belt; a first sliding groove and a second sliding groove are formed in the side wall of the lower portion of the shell, a first box chamber is rotationally connected into the first sliding groove, and a second box chamber is slidably connected into the second sliding groove. According to the utility model, the rotatable detection disc is arranged, so that the detection disc can be controlled to select a required reagent strip according to a sample, multiple experiments can be quickly carried out, multiple detection results can appear at the same time, and the convenience and the detection speed are improved.

Description

Technical Field

[0001] The utility model relates to the field of sulfonamide drug detection, in particular to a sulfonamide drug detection reagent strip. Background Art

[0002] Sulfonamides are a class of drugs used in both humans and animals and are widely used in animal husbandry, aquaculture and other breeding industries. After long-term ingestion of food containing sulfonamide residues, the drugs continue to accumulate in the human body. When the accumulation reaches a certain level, they will have toxic effects on the body and can cause kidney damage. In particular, acetylated sulfonamide has low solubility in urine and can cause greater damage to the kidneys after crystallization. The colloidal gold immunochromatography method is generally used for the detection of sulfonamides in food samples. It has the advantages of good specificity, high sensitivity, simple operation, low detection cost, and suitability for screening and detection of batch samples. It is an ideal rapid screening method.

[0003] In the related art, a utility model patent with patent announcement number CN203385731U was searched and proposed an immunochromatographic test paper card for detecting sulfonamide drug residues, including a plastic box body and a test strip encapsulated in the plastic box body, the bottom layer of the test strip is a support layer, and a closely connected sample pad, a gold-labeled antibody binding pad, a nitrocellulose membrane and an absorption pad are attached to the support layer from left to right in sequence, and a sample addition hole and an observation window are opened on the plastic box body, the position of the sample addition hole corresponds to the position of the sample pad on the test strip, and the observation window corresponds to the position of the nitrocellulose membrane on the test strip.

[0004] Based on the above prior art, the inventor combined relevant technologies and found the following problems in practical applications:

[0005] 1. The scope of test samples is relatively large, involving meat, poultry eggs, aquatic products and dairy products. Samples from the same or multiple origins need to be tested multiple times at the same time, and the existing test strips have low detection efficiency.

[0006] 2. When the detection scale is large, a large number of reagent strips are needed, but the existing reagent strips for detecting sulfonamide drugs are disposable and need to be carried in large quantities, causing difficulties in transportation and generating a large amount of waste to pollute the environment. Utility Model Content

[0007] In order to solve the problems in the prior art that the detection efficiency of the reagent strip is low when the range of the detection sample is large, it is inconvenient to carry and transport a large number of samples, and the waste pollution is serious, the utility model provides a sulfonamide drug detection reagent strip;

[0008] The utility model provides a sulfonamide drug detection reagent strip adopts the following technical solution:

[0009] A sulfonamide drug detection reagent strip comprises a shell and a reagent strip, wherein a detection chamber is provided on the upper part of the shell, a pluggable cover is provided at the top opening of the detection chamber, a detection disk is rotatably connected to the inside of the detection chamber, and a plurality of reagent strips are pasted on the surface of the detection disk; one end of an adjusting rod is rotatably connected to the inside of the detection chamber through a bearing, the other end of the adjusting rod passes through the top wall of the shell and extends to the outside of the shell and forms a screwing portion, and the adjusting rod is transmission-connected to the detection disk through a transmission belt; a first slide groove and a second slide groove are respectively provided on the lower side walls of the shell, a first box chamber is rotationally connected to the first slide groove, and a second box chamber is slidably connected to the second slide groove;

[0010] Furthermore, a sample adding slot, an observation slot and a type display slot are respectively provided at the top of the upper cover at positions corresponding to the reagent strip;

[0011] Furthermore, a curved sliding groove is provided on the top wall of the first sliding groove, and a shifting block is integrally formed on the top of the first chamber, and the shifting block can slide in the curved sliding groove;

[0012] Furthermore, the inner side wall of the second slide groove is provided with a spring for pushing the second chamber, the side wall of the second chamber outside the shell is rotatably connected with a clamping column, the outer side wall of the shell is provided with a clamping groove, and the clamping column is detachably connected with the clamping groove;

[0013] Furthermore, the surfaces of the detection plate and the adjustment rod in contact with the transmission belt are subjected to frosting treatment to increase friction;

[0014] Furthermore, a connecting portion is integrally formed at the bottom of the upper cover, and the upper cover is plugged onto the side wall of the detection chamber through the connecting portion to form an interference fit;

[0015] Furthermore, the surface of the detection disc and the bottom surface of the reagent strip are both provided with Velcro.

[0016] In summary, the beneficial effects of the utility model are:

[0017] The utility model provides a rotatable detection disk inside the detection chamber, and can manipulate the detection disk to select the required reagent strip according to whether the sample is meat, eggs, aquatic products, or dairy products. When multiple experiments are performed, multiple reagent strips can be selected through the screwing part and the samples can be dripped into the sample adding groove. The results of multiple reagent strips can appear at the same time, achieving the effect of multiple tests in one operation, thereby improving convenience and detection speed. The first box chamber and the second chamber are provided, so that the tools required for the test can be stored and quickly taken out, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main view of the utility model;

[0019] Figure 2 It is a top view cross-sectional schematic diagram of the utility model;

[0020] Figure 3 This is a schematic diagram of the bottom structure of the upper cover of the utility model;

[0021] Figure 4 It is a left side cross-sectional schematic diagram of the utility model;

[0022] Figure 5 It is a bottom view schematic diagram of the utility model.

[0023] As shown in the figure: 1-shell, 11-first slide groove, 12-second slide groove, 13-curved slide groove, 14-spring, 2-reagent strip, 21-first chamber, 22-second chamber, 23-push block, 24-card column, 25-card groove, 3-detection chamber, 4-upper cover, 41-sample loading slot, 42-observation slot, 43-type display slot, 44-connecting part, 5-detection disk, 6-adjusting rod, 61-screwing part, 62-transmission belt. DETAILED DESCRIPTION

[0024] The following is combined with Figure 1 -Attached Figure 5 The utility model is further described in detail:

[0025] The utility model embodiment discloses a sulfonamide drug detection reagent strip, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a sulfonamide drug detection reagent strip of the utility model comprises a shell 1 and a reagent strip 2, a detection chamber 3 is provided on the upper part of the shell 1, a pluggable cover 4 is covered at the top opening of the detection chamber 3, a detection disk 5 is rotatably connected to the inside of the detection chamber 3, and a plurality of reagent strips 2 are pasted on the surface of the detection disk 5; one end of an adjusting rod 6 is rotatably connected to the inside of the detection chamber 3 through a bearing, the other end of the adjusting rod 6 passes through the top wall of the shell 1 and extends to the outside of the shell 1 and is formed with a screwing portion 61, and the adjusting rod 6 is transmission-connected to the detection disk 5 through a transmission belt 62; a first slide groove 11 and a second slide groove 12 are respectively provided on the lower side walls of the shell 1, a first box chamber 21 is rotatably connected in the first slide groove 11, and a second box chamber 22 is slidably connected in the second slide groove 12; in this embodiment, the specific shape of the detection disk 5 is as follows Figure 4As shown, the inner wall of the detection chamber 3 and the bottom of the upper cover 4 are both provided with bearings, and the central axis of the detection disc 5 is rotatably connected to the inside of the detection chamber 3 by the above two bearings. By arranging a rotatable detection disc 5 inside the detection chamber 3, the detection disc 5 can be manipulated to select the required reagent strip 2 according to the type of sample, and when performing multiple experiments, multiple reagent strips 2 can be selected by the screwing portion 61 and dripped into the sample through the sample adding groove 41, and the results of multiple reagent strips 2 can appear at the same time, reaching the effect of multiple detections in one operation. By arranging the first chamber 21 and the second chamber 22, it can be used to store the necessary tools such as the reagent strip, tweezers, cotton swabs required for detection, and it is more convenient to use. Preferably, the surface of the detection disc 5 and the adjusting rod 6 in contact with the transmission belt 62 are frosted to increase friction. Preferably, the surface of the detection disc 5 and the bottom surface of the reagent strip 2 are both provided with Velcro (not shown in the figure).

[0026] like Figure 1 , Figure 2 As shown, a sample loading slot 41, an observation slot 42 and a type display slot 43 are respectively provided at the top of the upper cover 4 at positions corresponding to the reagent strip 2; in the present embodiment, the sample loading slot 41 corresponds to the sample pad of the reagent strip 2, the observation slot 42 corresponds to the detection line area of ​​the reagent strip 2, and the type display slot 43 corresponds to the absorbent pad at the end of the reagent strip 2, and the surface of the absorbent pad is marked with the detection type of the reagent strip 2 by technical means; observe the type display slot 43, and select the reagent strip 2 to be used for detecting the sample by rotating the screwing part 61.

[0027] like Figure 1 , Figure 2 , Figure 4 As shown, a curved chute 13 is provided on the top wall of the first chute 11, and a shift block 23 is integrally formed on the top of the first chamber 21, and the shift block 23 can slide in the curved chute 13; in this embodiment, an axle is integrally formed on the outer wall of the upper left corner of the first chamber 21, and the first chamber 21 is rotatably connected to the first chute 11 through the axle, and the first chamber 21 can be rotated to the left out of the first chute 11 through the cooperation of the shift block 23 and the curved chute 13. Preferably, the specific shape of the first chamber 21 is as follows Figure 2 As shown, the side wall of the first chamber 21 close to the lower part of the shell 1 is arc-shaped.

[0028] like Figure 1 , Figure 2 , Figure 5 As shown, the inner side wall of the second slide groove 12 is provided with a spring 14 for pushing the second box chamber 22, and the second box chamber 22 is rotatably connected to the side wall outside the shell 1 with a clamping column 24, and the outer side wall of the shell 1 is provided with a clamping groove 25, and the clamping column 24 is detachably connected to the clamping groove 25; in this embodiment, the specific shape of the clamping groove 25 is as follows Figure 1 , Figure 5As shown, when the clamping column 24 rotates to the inside of the clamping slot 25, it can be engaged with the clamping slot 25 to lock the second box chamber 22 inside the housing 1. Preferably, a spherical protrusion is provided on the side wall of the clamping column 24, and a spherical groove is provided on the side wall where the clamping slot 25 contacts the clamping column 24. The clamping column 24 and the clamping slot 25 are detachably engaged through the spherical protrusion and the spherical groove. The inner side wall of the second slide groove 12 is provided with a plurality of springs 14. When the clamping column 24 and the clamping slot 25 are released from the locking relationship, the second box chamber 22 will automatically pop out under the action of the springs 14, which is convenient for the use of the second box chamber 22.

[0029] like Figure 3 As shown, the bottom of the upper cover 4 is integrally formed with a connecting portion 44, and the upper cover 4 is plugged into the side wall of the detection chamber 3 through the connecting portion 44 to form an interference fit; in this embodiment, the specific shape of the connecting portion 44 is as follows Figure 3 As shown, the size and shape of the upper cover 4 are the same as the upper opening of the detection chamber 3 , and the upper cover 4 can be connected to the housing 1 in a pluggable manner by providing a connecting portion 44 .

[0030] The implementation principle of the embodiment of the utility model is:

[0031] When performing a single test, the screwing portion 61 is rotated, and the adjusting rod 6 is then rotated, thereby driving the test disk 5 to rotate through the transmission belt 62. The required reagent strip 2 is selected by observing the type display slot 43, and the sample is dripped into the sample loading slot 41. When performing a continuous experiment, the reagent strip 2 is continuously switched by the screwing portion 61, and the sample is continuously dripped into the sample loading slot 41. The sample is left to stand for a period of time and the result is observed through the observation slot 42. The results of multiple reagent strips 2 can appear at the same time, and the results can be observed by switching the reagent strips 2 through the screwing portion 61. When the reagent strip 2 needs to be replaced, the upper cover 4 is opened to expose the test disk 5, the used reagent strip 2 is removed, replaced with a new reagent strip 2, and the new reagent strip 2 is attached to the surface of the test disk 5 through Velcro.

[0032] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The various components mentioned in the utility model are common technologies in the existing field. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A sulfonamide drug detection reagent strip, comprising a housing and a reagent strip, characterized in that: The upper part of the shell (1) is provided with a detection chamber (3), the top opening of the detection chamber (3) is covered with an upper cover (4) which can be plugged in and out, the interior of the detection chamber (3) is rotatably connected with a detection disk (5), and the surface of the detection disk (5) is pasted with a plurality of reagent strips (2); the interior of the detection chamber (3) is rotatably connected with one end of an adjustment rod (6) through a bearing, the other end of the adjustment rod (6) passes through the top wall of the shell (1) and extends to the outside of the shell (1) and is formed with a screwing portion (61), and the adjustment rod (6) is transmission-connected to the detection disk (5) through a transmission belt (62); the lower side walls of the shell (1) are respectively provided with a first slide groove (11) and a second slide groove (12), the first slide groove (11) is rotatably connected with a first box chamber (21), and the second slide groove (12) is slidably connected with a second box chamber (22).

2. A sulfonamide drug detection reagent strip according to claim 1, characterized in that: A sample adding slot (41), an observation slot (42) and a type display slot (43) are respectively provided at the top of the upper cover (4) at positions corresponding to the reagent strip (2).

3. A sulfonamide drug detection reagent strip according to claim 2, characterized in that: A curved sliding groove (13) is provided on the top wall of the first sliding groove (11), and a shifting block (23) is integrally formed on the top of the first chamber (21), and the shifting block (23) can slide in the curved sliding groove (13).

4. A sulfonamide drug detection reagent strip according to claim 2 or 3, characterized in that: The inner wall of the second slide groove (12) is provided with a spring (14) for pushing the second box chamber (22); the second box chamber (22) is rotatably connected to a clamping column (24) on the side wall outside the shell (1); the outer wall of the shell (1) is provided with a clamping groove (25); the clamping column (24) and the clamping groove (25) are detachably engaged.

5. A sulfonamide drug detection reagent strip according to claim 1, characterized in that: The surfaces of the detection disk (5) and the adjustment rod (6) in contact with the transmission belt (62) are subjected to frosting treatment to increase friction.

6. A sulfonamide drug detection reagent strip according to claim 1, characterized in that: The bottom of the upper cover (4) is integrally formed with a connecting portion (44), and the upper cover (4) is plugged onto the side wall of the detection chamber (3) through the connecting portion (44) to form an interference fit.

7. A sulfonamide drug detection reagent strip according to claim 1 or 4, characterized in that: The surface of the detection disk (5) and the bottom surface of the reagent strip (2) are both provided with Velcro.

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