CN212693791U

CN212693791U - Fluorescent quantitative rapid detection card for detecting heavy metal cadmium in grain

Info

Publication number: CN212693791U
Application number: CN202020826484.6U
Authority: CN
Inventors: 肖理文; 徐秀; 赵皖
Original assignee: Nanjing Microdetection Biological Technology Co ltd
Current assignee: Nanjing Microdetection Biological Technology Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-03-12
Anticipated expiration: 2030-05-18

Abstract

The utility model provides a detect fluorescence quantitative short-term test card of heavy metal cadmium among grain cereal, includes that inside is equipped with the box that is used for detecting the detection strip of heavy metal cadmium, the box includes that to have open box body on the roof and according to the top cap of horizontal extension, the top cap is mobilizable to inlay on the box body on vertical. A plurality of extrusion parts are fixedly connected to two opposite side walls in the box body, and all the extrusion parts are of sheet structures and are propped against the bottom wall of the top cover; a pair of pressing blocks distributed in a mirror image mode are screwed on the top wall of the box body, and the pair of pressing blocks are distributed on two sides of the top cover according to the length direction of the top cover; the box body is also provided with a pair of torsion pieces. The box body and the top cover are usually damaged by combining other structures, so that the defect that the box body and the top cover are usually damaged by separating the box body of the box with the detection strip for detecting the heavy metal cadmium in the prior art from the top cover is effectively overcome.

Description

Fluorescent quantitative rapid detection card for detecting heavy metal cadmium in grain

Technical Field

The utility model belongs to the technical field of heavy metal cadmium detects, concretely relates to fluorescence quantitative short-term test card of heavy metal cadmium among detection grain cereal.

Background

Cadmium is a heavy metal element and is very important in the industries of metallurgy, plastics, electronics and the like. It is usually discharged into the environment by waste water and then into the food by irrigation, rice being a typical "victim crop". Cadmium rice generally refers to rice with excessive cadmium content. The Guangdong finds a great amount of cadmium-containing toxic rice produced in Hunan. People can suffer from pain after eating cadmium-containing food for a long time. The symptoms are manifested by arthralgia of waist, hands and feet. After the disease lasts for several years, neuralgia and bone pain can occur on all parts of the patient, the patient has difficulty in moving, and even breathing can bring intolerable pain. Therefore, cadmium is required to be detected, the conventional equipment for detecting cadmium mainly comprises a detection strip for detecting heavy metal cadmium, the detection strip for detecting heavy metal cadmium is usually arranged in a box, the box comprises a box body and a top cover, the box body is used for arranging the detection strip for detecting heavy metal cadmium, the top cover covers the box body, and the box body and the top cover form the box.

However, the current top cover is generally adhered to the box body by an adhesive, and when the detection strip for detecting the heavy metal cadmium in the box needs to be replaced, the adhesion structure is difficult to separate the box body from the top cover, and if the box body is hard to separate from the top cover, the box body and the top cover are often damaged.

Disclosure of Invention

In order to solve the problem, the utility model provides a detect fluorescence ration short-term test card of heavy metal cadmium among grain cereal has effectively avoided separately will letting box body and top cap the defect of damaging often appear in the box body that will be equipped with the box that is used for detecting the detection strip of heavy metal cadmium among the prior art and top cap.

In order to overcome the deficiencies in the prior art, the utility model provides a detect solution of fluorescence quantitative short-term test card of heavy metal cadmium in grain cereal, specifically as follows:

the utility model provides a detect fluorescence quantitative short-term test card of heavy metal cadmium among grain cereal, its includes that inside is equipped with the box that is used for detecting the detection strip of heavy metal cadmium, the box includes that have open box body 2 on the roof and according to the top cap 3 of horizontal extension, top cap 3 is vertically mobilizable to inlay on box body 2.

Furthermore, a plurality of squeezing parts 32 are fixedly connected to two opposite side walls in the box body 2, and all the squeezing parts 32 are of sheet structures and are pressed against the bottom wall of the top cover 3; a pair of pressing blocks 33 distributed in a mirror image manner are screwed on the top wall of the box body 2, and the pair of pressing blocks 33 are distributed on two sides of the top cover 3 according to the length direction of the top cover 3; the box body 2 is also provided with a pair of torsion pieces, the torsion pieces are torsion disc springs 34, the torsion disc springs correspond to the buckling blocks one by one, and two ends of each torsion disc spring 34 are fixedly connected to the box body 2 and the corresponding buckling block 33.

Furthermore, the head parts of the pair of buckling and pressing blocks 33 are provided with guide openings 35, the pair of guide openings 35 are arranged at the two ends of the buckling and pressing block 33 where the pair of guide openings 35 are arranged, and the extension directions of the pair of buckling and pressing blocks 33 and the extension directions of the pair of guide openings 35 are parallel to the extension direction of the top cover 3; a pair of mobile devices are arranged in the guide port 35, each mobile device comprises a supporting block 36 which is pressed against the top wall of the top cover 3 and a pair of mobile strips 37 which are respectively movably arranged in the guide port 35, and the pair of mobile strips 37 are respectively fixedly connected to two opposite sides of the supporting block 36.

Furthermore, a pair of the moving strips 37 are provided with movable balls 38 disposed in the corresponding guiding openings 35, and a pair of the balls 38 are provided with rotating openings 39 allowing the moving strips 37 to rotatably extend.

Further, the top walls of the pair of supporting blocks 36 are fixedly connected with the handles 40.

Furthermore, the bottom walls of the supporting blocks 36 are provided with openings 4, a pair of placing frames 42 are movably arranged in the openings 4, and the bottom walls of the placing frames 42 are provided with inserting ports 43, wherein a first foam is movably arranged in one inserting port 43, and a second foam 45 is movably arranged in the other inserting port 43; a pair of said openings 4 are provided with a telescopic member, said telescopic member is a disc spring 46, and both ends of a pair of said disc springs 46 are fixedly connected to the corresponding supporting block 36 and the surface in the opening 4.

Further, the length of each of the pair of buckling pieces 33 is higher than that of the top cover 3.

Furthermore, the bottom wall in the box body is provided with an accommodating opening, the accommodating opening is filled with detection strips for detecting heavy metal cadmium in a transition fit mode, and the top of the top cover is provided with a through liquid injection opening and a through observation opening.

Further, the detection strip for detecting the heavy metal cadmium comprises a support plate 1-1, a latex pad 1-2 coated with a fluorescent microsphere labeled heavy metal cadmium antibody and an NC membrane 1-3 are sequentially arranged on the support plate 1-1, and a detection line 1-4 sprayed with a heavy metal cadmium antigen and a control line 1-5 sprayed with a goat anti-chicken secondary antibody are arranged on the NC membrane 1-3.

The utility model has the advantages that:

the extrusion part, the torsion disc spring, the buckling block, the supporting block and the moving strip are introduced, so that the top cover is firmly buckled in the box body, and the assembly and the disassembly of the top cover are facilitated; the introduction of the first foam and the second foam can remove particulate impurities on the top wall of the top cover; the placing frame and the telescopic piece are introduced, so that the second foam and the first foam are firmly supported on the top wall of the top cover, and the performance of cleaning particulate impurities is improved.

Drawings

Fig. 1 is a schematic view of a three-dimensional portion of a box provided with a detection strip for detecting heavy metal cadmium therein.

Fig. 2 is a cross-sectional view of the supporting block and the buckling block of the present invention.

Fig. 3 is an exploded view of the box of the present invention, in which a detection strip for detecting heavy metal cadmium is provided.

Fig. 4 is a partial schematic view of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1-4, the fluorescent quantitative rapid detection card for detecting heavy metal cadmium in edible grain comprises a box with a detection strip inside for detecting heavy metal cadmium, the box comprises a box body 2 with an open rectangular box shape on the top wall and a top cover 3 with a rectangular box shape extending transversely, and the top cover 3 is movably embedded on the box body 2 in the longitudinal direction. A plurality of squeezing parts 32 are fixedly connected to two opposite side walls in the box body 2, and all the squeezing parts 32 are of sheet structures and are propped against the bottom wall of the top cover 3; a pair of buckling and pressing blocks 33 which are distributed in a mirror image manner and are rectangular in shape are screwed on the top wall of the box body 2, and the pair of buckling and pressing blocks 33 are distributed on two sides of the top cover 3 in the length direction of the top cover 3; the box body 2 is also provided with a pair of torsion pieces, the torsion pieces are torsion disc springs 34, the torsion disc springs correspond to the buckling blocks one by one, and two ends of each torsion disc spring 34 are fixedly connected to the box body 2 and the corresponding buckling block 33. When the torsion disc spring 34 is in a relaxed state, the pressing piece 33 fastens the top cover 3 to the pressing portion 32, so that the top cover 3 is hard to fall off from the case 2. The head parts of the pair of buckling and pressing blocks 33 are provided with strip-shaped guide ports 35, the pair of guide ports 35 are arranged at the two ends of the buckling and pressing block 33 where the pair of guide ports 35 are arranged, and the extending directions of the pair of buckling and pressing blocks 33 and the pair of guide ports 35 are parallel to the extending direction of the top cover 3; a pair of mobile devices are arranged in the pair of guide openings 35 in a transition fit manner, each mobile device comprises a block-shaped supporting block 36 which is propped against the top wall of the top cover 3 and a pair of strip-shaped moving strips 37 which are movably arranged in the pair of guide openings 35 in a clearance fit manner, and the pair of moving strips 37 are fixedly connected to two opposite sides of the supporting block 36 respectively. The pair of moving strips 37 prevents the pair of buckling pressing blocks 33 from rotating relatively, so that the buckling performance of the buckling pressing blocks 33 on the top cover 3 is ensured; the supporting block can support the top cover 3, and the firmness of the top cover 3 can be improved. The pair of moving strips 37 are provided with balls 38 movably arranged in the corresponding guide openings 35 in a clearance fit manner, and the pair of balls 38 are provided with rotating openings 39 allowing the moving strips 37 to rotatably extend into, so that the balls 38 can rotate in the guide openings 35 during the movement of the supporting block 36, and the movement of the buckling block 33 is facilitated. The detection strip for detecting the heavy metal cadmium comprises a support plate 1-1, wherein an emulsion pad 1-2 and an NC membrane 1-3 are sequentially arranged on the support plate 1-1, the surface of the support plate is coated with an antibody of the heavy metal cadmium marked by fluorescent microspheres, a detection line 1-4 sprayed by a heavy metal cadmium antigen and a control line 1-5 sprayed by a goat anti-chicken secondary antibody are arranged on the NC membrane 1-3, the detection line and the control line are parallel to each other, and the detection line is close to the emulsion pad; the top of top cap is opened has through-type application of sample hole and through-type display window, and the application of sample hole is in the top of latex pad, and the display window is in the top of detection line and control line. And when the detection is finished, the detection strip is inserted into a fluorescence immunoassay quantitative analyzer for reading, and the reading value is the actual detection concentration of the sample. After the chromatography is finished, the ultraviolet lamp can be directed to the reaction pad to check the fluorescence brightness.

The top walls of the supporting blocks 36 are fixedly connected with columnar handles 40, and the movement of the supporting blocks 36 is facilitated by holding the handles 40 with hands. Openings 4 are formed in the bottom walls of the supporting blocks 36, sheet-shaped placing frames 42 are movably arranged in the openings 4 in a clearance fit mode, inserting ports 43 are formed in the bottom walls of the placing frames 42, a first foam is movably arranged in one inserting port 43 in a clearance fit mode, and a second foam 45 is movably arranged in the other inserting port 43 in a clearance fit mode; a pair of said openings 4 are provided with a telescopic member, said telescopic member is a disc spring 46, and both ends of a pair of said disc springs 46 are fixedly connected to the corresponding supporting block 36 and the surface in the opening 4. When the pair of supporting blocks 36 is moved, the first foam and the second foam 45 clean the particulate impurities on the top wall of the top cover 3 one by one, and the second foam 45 can be taken out from the first foam through the corresponding inserting port 43 for replacement. The length of the pair of buckling blocks 33 is higher than that of the top cover 3, so that the first foam and the second foam 45 can clean particulate impurities on the top wall of the top cover 3 more thoroughly.

During the disassembly of the cap 3, the cap 3 can be removed from the housing 2 by first pulling on the handle 40 to remove the balls 38 through the guide openings 35 and then moving a pair of retaining blocks 33 away from the cap 3.

During the assembly of the top cover 3, the top cover 3 is moved into the case 2 and connected to the upper end of the pressing portion 32, then the pressing block 33 is pulled by the torsion disc spring 34 to be screwed and fastened to the top wall of the top cover 3, at this time, the pressing block 33 and the pressing portion 32 are clamped on the top cover 3 in cooperation, then the support handle 40 is held to allow the pair of balls 38 to move into the corresponding guide openings 35 respectively, so that the pair of pressing blocks 33 are difficult to be screwed relatively, and the pair of pressing blocks 33 are used to fasten the top cover 3 to the case 2. The bottom wall in the box body is provided with an accommodating opening, and the accommodating opening is filled with detection strips for detecting the heavy metal cadmium in a transition fit manner.

In addition, during the process of cleaning the top wall of the top cover 3, firstly, the handle 40 is pulled to enable the foam to move to remove the particulate impurities on the top wall of the top cover 3, the disc spring 46 is positioned in a squeezing state to enable the foam to be firmly supported on the top wall of the top cover 3, so that the cleaning performance of the particulate impurities is improved, and the spherical body 38 also moves in the guide port 35 to be beneficial to the movement of the supporting block 36; the other handle 40 is then pulled to move the second foam 45 to remove particulate matter from the top wall of the lid 3.

Having thus described the present invention by way of example, it will be appreciated by those skilled in the art that the present disclosure is not limited to the embodiments described above, and that various changes, modifications and substitutions may be made without departing from the scope of the invention.

Claims

1. A fluorescent quantitative rapid detection card for detecting heavy metal cadmium in grain grains is characterized by comprising a box, wherein a detection strip for detecting the heavy metal cadmium is arranged in the box;

a plurality of extrusion parts are fixedly connected to two opposite side walls in the box body, and all the extrusion parts are of sheet structures and are propped against the bottom wall of the top cover; a pair of pressing blocks distributed in a mirror image mode are screwed on the top wall of the box body, and the pair of pressing blocks are distributed on two sides of the top cover according to the length direction of the top cover; the box body is also provided with a pair of torsion pieces which are torsion disc springs, the torsion disc springs are in one-to-one correspondence with the buckling blocks, and two ends of each torsion disc spring are fixedly connected to the box body and the corresponding buckling block.

2. The fluorescent quantitative rapid detection card for detecting the heavy metal cadmium in the grain grains according to claim 1, wherein the head parts of the pair of buckling blocks are provided with guide ports, the pair of guide ports are arranged at two ends of the buckling block where the pair of buckling blocks are arranged, and the extension directions of the pair of buckling blocks and the pair of guide ports are parallel to the extension direction of the top cover; a pair of mobile devices are arranged in the guide opening, each mobile device comprises a supporting block and a pair of movable moving strips, the supporting block is supported on the top wall of the top cover, the movable moving strips are respectively movably arranged in the guide opening, and the movable moving strips are respectively fixedly connected to two opposite sides of the supporting block.

3. The fluorescence quantitative rapid detection card for detecting the heavy metal cadmium in the grain crops as claimed in claim 2, wherein a pair of said movable strips are provided with movable spheroids disposed in the corresponding guide openings, and a pair of said spheroids are provided with rotary openings for allowing said movable strips to rotatably extend.

4. The fluorescent quantitative rapid detection card for detecting the heavy metal cadmium in the grain crops as claimed in claim 2, wherein the top walls of the pair of supporting blocks are fixedly connected with the handles.

5. The fluorescent quantitative rapid detection card for detecting the heavy metal cadmium in the grain grains according to claim 2, wherein the bottom walls of a pair of supporting blocks are provided with openings, a placing frame is movably arranged in each opening, and the bottom walls of the placing frames are provided with insertion ports, wherein one insertion port is movably provided with a first foam, and the other insertion port is movably provided with a second foam; the pair of openings are internally provided with telescopic pieces which are disc springs, and two ends of each disc spring are fixedly connected to the corresponding supporting block and the inner surface of the opening.

6. The fluorescent quantitative rapid detection card for detecting the heavy metal cadmium in the grain grains according to claim 2, wherein the length of the pair of buckling blocks is higher than that of the top cover.

7. The fluorescence quantitative rapid detection card for detecting the heavy metal cadmium in the grain crops as claimed in claim 1, wherein the bottom wall in the box body is provided with an accommodating opening, the accommodating opening is filled with a detection strip for detecting the heavy metal cadmium in a transition fit manner, and the top of the top cover is provided with a through type liquid injection opening and a through type observation opening.

8. The fluorescent quantitative rapid detection card for detecting the heavy metal cadmium in the grain grains according to claim 1, wherein the detection strip for detecting the heavy metal cadmium comprises a support plate, an emulsion pad and an NC membrane which are sequentially connected are arranged on the support plate, the surface of the emulsion pad is coated with a heavy metal cadmium antibody marked by fluorescent microspheres, and a detection line sprayed by a heavy metal cadmium antigen and a control line sprayed by a goat anti-chicken secondary antibody are arranged on the NC membrane.