Centrifugal tube with colorimetric card

Abstract

The utility model provides a centrifuge tube with a colorimetric card, which comprises a tube body and a cover body, the whole body of the tube body is transparent, the upper end of the tube body is open, and the cover body detachably covers the upper end of the tube body; a colorimetric card is arranged on the outer side of the tube body, the colorimetric card comprises a plurality of color standard areas, and the color standard areas are used for identifying colors with different concentrations, so that a detector can directly compare the colors of reagents conveniently, the convenience and accuracy of an experiment are improved, and the color concentration detection tube is suitable for various experiment occasions needing color concentration detection.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal tube field especially, and it is centrifugal tube with colorimetric card. BACKGROUND

[0002] In food and drug ring fast detection, color reaction is a kind of very important method. Color reaction is the method that the substance to be measured is converted into colored compound through chemical reaction, and then the color depth is used to carry out quantitative analysis. This method is widely used in the field of food safety detection, environmental monitoring and the like because it has the advantages of simple operation, low cost, intuitive result and the like. In order to further facilitate detection, some companies produce fast detection kit according to relevant color reaction. At present, according to the "Fast Detection of Methanol in Baijiu" (KJ201912) issued by the State Administration for Market Regulation, some commercial companies produce methanol fast detection kit. The reagent used in the fast detection kit reacts with methanol to finally generate blue-purple compound; the deeper the color is, the higher the methanol content in the liquor sample is. By comparison with the colorimetric card, the methanol content in the sample is determined.

[0003] After the reagent reaction is completed, the detection personnel need to compare with the standard colorimetric card to determine the content of methanol, but since the centrifugal tube and the colorimetric card are not in the same position, when comparing, the centrifugal tube needs to be taken to find the colorimetric card, which delays the detection time. Since the detection personnel are familiar with the operation steps due to frequent detection, they can not need to refer to the relevant instruction manual, but when comparing the color, they also need to find the colorimetric card to compare, and there is only one colorimetric card in a reagent kit. If multiple detection personnel perform detection at the same time, they also face the situation that the same colorimetric card needs to be used. Moreover, the colorimetric card is easily disturbed by external natural light and background light during use, which may cause deviation of the colorimetric result. The user may have difficulty in accurately judging the color of the water sample due to light problem, which affects the accuracy of the detection result.

[0004] The above situation causes inconvenience in detection work and affects the detection efficiency. UTILITY MODEL CONTENT

[0005] Therefore, it is necessary to provide a centrifugal tube with colorimetric card to solve the problems in the background art.

[0006] To achieve the above purpose, the utility model provides a centrifugal tube with colorimetric card, which comprises a tube body and a cover body, the tube body is transparent and has an open upper end, and the cover body is detachably arranged on the upper end of the tube body; a colorimetric card is arranged on the outer side of the tube body, and the colorimetric card comprises a plurality of color standard areas, and the plurality of color standard areas are used to identify different concentrations of color.

[0007] Further, the color card is made of waterproof material.

[0008] Further, the side wall of the tube body is provided with a clamping groove, and the color card is fixed by being inserted into the clamping groove.

[0009] Further, the color card is pasted to the tube body by means of a glue layer arranged on the back of the color card.

[0010] Further, a supporting ring is further included, the tube body is a conical tube, one end of the supporting ring is fixedly connected to the lower part of the tube body, the supporting ring is coaxial with the tube body and has a diameter not greater than the maximum diameter of the tube body, and the length of the supporting ring extends to at least the bottom end of the tube body.

[0011] Further, the diameter of the supporting ring is the same as the maximum diameter of the tube body.

[0012] Further, the lower end of the supporting ring is in the same plane as the lowest end of the tube body.

[0013] Further, the supporting ring and the tube body are detachably connected.

[0014] Different from the prior art, the above technical solution not only can meet the basic centrifugal function, that is, form the basic structure of the centrifugal tube through the transparent tube body and the cover body, but also integrate the color card on the side of the tube body, so as to facilitate the detection personnel to directly compare the color of the reagent, improve the convenience and accuracy of the experiment, and be suitable for various experimental occasions requiring color concentration detection. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a front view of the centrifugal tube according to the embodiment;

[0016] Figure 2 is a front view of the centrifugal tube provided with a clamping groove according to the embodiment;

[0017] Figure 3 is a process cross-sectional view of the tube body provided with a groove and the color card fixed by a glue layer according to the embodiment;

[0018] Figure 4 is a front view of the centrifugal tube provided with a supporting ring according to the embodiment;

[0019] Figure 5 is a perspective view of the supporting ring according to the embodiment.

[0020] BRIEF DESCRIPTION OF REFERENCE NUMERALS:

[0021] 10, tube body; 101, clamping groove; 102, groove; 20, cover body; 30, color card; 301, color standard area; 302, adhesive layer; 40, support ring. DETAILED DESCRIPTION

[0022] To describe the technical solutions, technical features, purposes and effects of the technical solutions in detail, the following will be described in detail in combination with specific embodiments and with reference to the drawings.

[0023] In this paper, the term "embodiment" means that the specific features, structures or properties described in combination with the embodiment can be included in at least one embodiment of the application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, and does not particularly limit the independence or association between other embodiments. In principle, in this application, as long as there is no technical contradiction or conflict, each technical feature mentioned in each embodiment can be combined in any way to form a corresponding implementable technical solution.

[0024] Unless otherwise defined, the meaning of the technical terms used in this paper is the same as that generally understood by those skilled in the art to which the application belongs; the use of related terms in this paper is only for the purpose of describing specific embodiments, and is not intended to limit the application.

[0025] In the description of the application, the phrase "and / or" is used to describe the logical relationship between the objects, which means that there can be three relationships, for example, A and / or B, which means that there are three cases: A exists, B exists, and A and B exist at the same time. In addition, the character " / " in this paper generally represents the logical relationship of "or" between the associated objects before and after.

[0026] In this application, such as "first" and "second", the terms are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantity, primary and secondary or order relationship between the entities or operations.

[0027] In this application, without more limitation, the "include", "contain", "have" or other similar expressions used in the sentence are intended to cover non-exclusive inclusion, and these expressions do not exclude the existence of other elements in the process, method or product including the described elements, so that the process, method or product including a series of elements can not only include those limited elements, but also include other elements not explicitly listed, or also include the elements inherent in such process, method or product.

[0028] As the same understanding in the "Examination Guidelines", in this application, "greater than", "less than", "exceed" and so on are understood as not including the number; "above", "below", "within" and so on are understood as including the number. In addition, in the description of the embodiments of the application, the meaning of "multiple" is more than two (including two), and similar expressions related to "multiple" are also understood in this way, for example, "multiple groups", "multiple times" and the like, unless otherwise explicitly specified.

[0029] In the description of the embodiments of the application, the spatially related expressions used, such as "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiment or the drawing, and are only for the convenience of describing the specific embodiments of the application or for the reader to understand, and do not indicate or imply that the indicated device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the application.

[0030] Unless otherwise explicitly specified or limited, in the description of the embodiments of the application, the terms "mount", "connect", "connect", "fix", "set" and the like should be understood broadly. For example, the "connection" can be fixed connection, or detachable connection, or integral setting; it can be mechanical connection, or electrical connection, or communication connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art to which the application belongs, the specific meaning of the above terms in the embodiments of the application can be understood according to the specific circumstances.

[0031] After the reagent reaction is completed, the tester needs to compare with the standard color card to determine the content of methanol, but since the centrifugal tube and the color card used for detection are not in the same position, when comparing, the centrifugal tube needs to be taken to find the color card, which delays the detection time; the tester is familiar with the operation steps because of frequent detection, and can not need to refer to the relevant instruction manual, but when comparing the color, the color card also needs to be found to compare, and there is only one color card in a reagent box, if multiple testers are detecting at the same time, they also face the situation of using the same color card. And the color card is easily disturbed by external natural light and background light during use, which may cause deviation of the colorimetric result. The user will have difficulty in accurately judging the color of the water sample due to the light problem, which affects the accuracy of the detection result.

[0032] Please refer to Figures 1 to 5The embodiment provides a centrifugal tube with a colorimetric card 30, which comprises a tube body 10 and a cover body 20, the tube body 10 is transparent and has an open upper end, and the cover body 20 is detachably arranged on the upper end of the tube body 10; a colorimetric card 30 is arranged on the outer side of the tube body 10, and the colorimetric card 30 comprises a plurality of color standard areas 301, and the plurality of color standard areas 301 are used for identifying different color concentrations.

[0033] The tube body and the cover body can be sealed in a pressing mode or by screwing in a screwing mode to realize sealing, and the two cover types are different according to the size and use requirement of the centrifugal tube, and are designed to ensure the safety of the sample in the centrifugal process and prevent leakage.

[0034] The utility model relates to a centrifugal tube with colorimetric card 30, and the centrifugal tube mainly comprises two parts of tube body 10 and cover body 20. Tube body 10 is the main component of centrifugal tube, and it is transparent, which facilitates the observation of the color change of the liquid in the tube. The upper end of the tube body 10 is designed as an opening to facilitate the injection and removal of the liquid. The cover body 20 is detachable and can tightly cover the upper opening of the tube body 10, ensuring that the liquid in the tube does not leak during centrifugation, and also protecting the liquid in the tube from external pollution. On the outer side of the tube body 10, a colorimetric card 30 is provided. The colorimetric card 30 is composed of a plurality of color standard areas 301, each color standard area 301 corresponds to a different color concentration, and is used for rapid comparison and identification of the color concentration of the liquid in the tube during the experiment. The design of the colorimetric card 30 enables the experimenter to make preliminary color concentration judgment without taking out additional colorimetric cards 30, improving the convenience and accuracy of the experiment.

[0035] In practical application, the material selection of the centrifugal tube has an important influence on its performance. The tube body 10 and the cover body 20 are usually made of polypropylene (PP) material, because polypropylene has good chemical stability and heat resistance, can withstand the heat generated during high-speed centrifugation, and can also resist the erosion of various chemical reagents. In addition, the polypropylene material has good transparency, which is conducive to observing the color change of the liquid in the tube. In some cases, polycarbonate (PC) material can also be selected, which has higher transparency and stronger impact resistance, but the cost is relatively high.

[0036] The connecting structure of the tube body 10 and the cover body 20 is designed to be simple and effective to ensure that the cover body 20 can be stably fixed on the upper end of the tube body 10 and is convenient to disassemble. The cover body 20 is usually connected with the tube body 10 in a threaded connection manner, and the thread design not only ensures the tightness of the connection, but also enables the cover body 20 to be easily screwed on and off. A sealing ring, such as a silica gel sealing ring, can be designed on the inner edge of the cover body 20 to enhance the sealing between the cover body 20 and the tube body 10 and prevent liquid from leaking during the centrifugation process. In some embodiments, the cover body 20 can also be designed with a buckle structure, which is matched with the clamping groove 101 of the tube body 10 to achieve quick clamping and unlocking. This design is particularly suitable for experimental operations that require frequent opening and closing of the cover body 20, improving the efficiency of the experiment.

[0037] Through the above structural design, the centrifugal tube of the utility model not only can meet the basic centrifugal function, still improves the convenience and accuracy of the experiment through the integration of the colorimetric card 30, and is suitable for various experimental occasions needing color concentration detection.

[0038] The colorimetric card can be made of various materials, such as paper, which is a common color reference tool, low in cost, easy to print and make, convenient to carry and use; plastic color card can also be used, which is more durable than paper color card, not easy to deform and wear, has a long service life, and has high transparency, but the color card printed on the glossy surface material is easy to reflect light; cloth color card can also be used, which is soft in material, comfortable in hand feeling, exquisite in production, and can be decorated on the surface with three-dimensional embroidery process, has certain ornamental value and texture feeling, but is easy to be deformed by moisture and relatively high in price; metal color card can also be used, which belongs to high-grade color card, is made of copper, aluminum and other metals, and the surface can be treated by spraying paint, which is beautiful and elegant, and has excellent texture, but is expensive and not easy to carry and use; hardboard color card can also be used, which is commonly used to make sewing thread color cards that need to be more solid and durable, and is thick and solid, and can be made by cutting, trimming and binding.

[0039] Further, the colorimetric card 30 is made of waterproof material. The colorimetric card 30 is made of waterproof material, which is designed to ensure that the colorimetric card 30 can still maintain the clarity and durability of the color standard area 301 in the case of liquid splashing or humid environment. The waterproof material can be any material that can prevent water from penetrating, such as polyester plastic, polyvinyl chloride (PVC) or paper coated with a waterproof coating. The selection of such material not only protects the colorimetric card 30 itself, but also ensures that the accuracy of the experimental results will not be deviated due to the influence of water.

[0040] Further, the side wall of the tube body 10 is provided with a clamping groove 101, and the color card 30 is fixed by being inserted into the clamping groove 101. The clamping groove 101 is provided on the side wall of the tube body 10, and the color card 30 is fixed by being inserted into the clamping groove 101. This design enables the color card 30 to be stably fixed on the tube body 10, while facilitating replacement or movement of the color card 30. The clamping groove 101 can be longitudinal or transverse, depending on the size and shape of the color card 30. The design of the clamping groove 101 can also be a series of grooves 102 to adapt to different sizes of color cards 30, increasing the versatility and flexibility of the centrifugal tube.

[0041] Further, the color card 30 is pasted to the tube body 10 by providing an adhesive layer 302 on the back of the color card 30. The color card 30 is pasted to the tube body 10 by providing an adhesive layer 302 on the back of the color card 30. This design provides another way to fix the color card 30, making it easy to paste and remove the color card 30, and can be compatible with existing centrifugal tube molds, reducing mold opening costs. The adhesive layer 302 can be a pressure-sensitive adhesive that can be pasted under slight pressure and easily removed without leaving residue. This design makes the use of the color card 30 more flexible, allowing it to be replaced or repositioned as needed.

[0042] When using existing rapid detection kits, testers often encounter the following problems: the matching centrifugal tube is basically a conical centrifugal tube, which cannot stand alone and must rely on another centrifugal tube holder to stand upright. Without the ability to stand upright, the tester must hold it by hand when adding liquid to ensure that the centrifugal tube does not tilt and leak, etc., affecting detection efficiency. Further, a support ring 40 is included, the tube body 10 is a conical tube, one end of the support ring 40 is fixedly connected to the lower part of the tube body 10, the support ring 40 is coaxial with the tube body 10 and has a diameter not greater than the maximum diameter of the tube body 10; the length of the support ring 40 extends at least to the bottom end of the tube body 10. For ease of explanation, the tube body 10 is subdivided into an upper cylindrical structure section and a lower conical structure section. The support ring 40 can extend downward from the bottom of the cylindrical structure section of the tube body 10, or it can have a smaller diameter than the cylindrical structure section of the tube body 10 and extend vertically downward from a certain ring line of the conical structure section of the tube body 10. The centrifugal tube can stand on the desktop through the support ring 40, without the need for an additional centrifugal tube storage tray, and the placement position is more flexible, making it convenient for testers to temporarily pick up or place the centrifugal tube in places without a centrifugal tube storage tray. It should be noted that this embodiment can still place the centrifugal tube in the centrifugal tube storage tray without affecting the original function.

[0043] Further, the diameter of the support ring 40 is the same as the maximum diameter of the tube body 10. This design makes the support ring 40 visually form a unified whole with the tube body 10, while also providing the maximum support area, enhancing the stability of the tube body 10.

[0044] Further, the lower end of the support ring 40 is in the same plane as the lowest end of the tube body 10. That is, when the centrifuge tube is placed on a plane, the lower end of the support ring 40 and the lowest end of the tube body 10 are both in contact with the plane, and the bottom end of the tube body 10 provides an additional support point. This design also makes the tube body 10 more stable when placed, reducing the risk of tipping over.

[0045] Further, the support ring 40 and the tube body 10 are detachably connected. This embodiment allows the support ring 40 to be detached when needed, facilitating cleaning and maintenance. The detachable connection can be achieved through threads, buckles, or magnetic attraction, etc. This design improves the flexibility and applicability of the centrifuge tube, allowing users to choose whether to use the support ring 40 according to specific experimental needs.

[0046] It should be noted that although the above embodiments have been described in this paper, the patent protection scope of the present application is not limited thereby. Therefore, based on the innovative concept of the present application, changes and modifications to the embodiments described herein, or equivalent structures or equivalent process transformations made using the contents of the present application specification and drawings, directly or indirectly apply the above technical solutions to other related technical fields, are all included within the protection scope of the present application patent.

Claims

1. A centrifuge tube with a colorimetric card, characterized in that: It includes a tube body and a cap body. The tube body is completely transparent and open at the top. The cap body is detachably placed on the top of the tube body. A colorimetric card is provided on the outside of the tube body. The colorimetric card includes multiple color standard areas, which are used to identify colors of different concentrations.

2. A centrifuge tube with a colorimetric card according to claim 1, characterized in that: The colorimetric card is made of waterproof material.

3. A centrifuge tube with a colorimetric card according to claim 1, characterized in that: The tube body has a slot on its side wall, and the colorimetric card is fixed by inserting it into the slot.

4. A centrifuge tube with a colorimetric card according to claim 1, characterized in that: The colorimetric card is attached to the tube by an adhesive layer on its back.

5. A centrifuge tube with a colorimetric card according to any one of claims 1-4, characterized in that: It also includes a support ring. The tube body is a conical tube. One end of the support ring is fixedly connected to the lower part of the tube body. The support ring is coaxial with the tube body and its diameter is not greater than the maximum diameter of the tube body. The length of the support ring extends at least to the bottom end of the tube body.

6. A centrifuge tube with a colorimetric card according to claim 5, characterized in that: The diameter of the support ring is the same as the maximum diameter of the tube body.

7. A centrifuge tube with a colorimetric card according to claim 5, characterized in that: The lower end of the support ring is on the same plane as the lowest end of the tube.

8. A centrifuge tube with a colorimetric card according to claim 5, characterized in that: The support ring is detachably connected to the tube body.

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