Quantitative sampling and dosing device

Abstract

The utility model provides a kind of quantitative sampling sampling device, it is related to sampling sampling device technical field.The quantitative sampling sampling device includes extrusion cavity, and the partition is equipped in extrusion cavity, and the partition separates the inside extrusion cavity of extrusion cavity into first extrusion cavity and second extrusion cavity, and the side wall of first extrusion cavity is equipped with air hole, and first extrusion cavity is connected with connecting pipe, and the end of connecting pipe is connected with quantitative capillary, and quantitative capillary can quantitatively add sample into quantitative capillary by siphon effect, and first extrusion cavity is used to extrude sample in quantitative capillary and sample, and second extrusion cavity is used to quantitatively store diluent.Based on the technical scheme of the utility model, the quantitative sampling sampling device can accurately quantitatively sample and sample, and portable accurately quantitatively add diluent.

Description

Technical Field

[0001] This utility model relates to the field of sampling and adding device technology, and in particular to a quantitative sampling and adding device. Background Technology

[0002] Immunochromatographic strips are a rapid, on-site immunoassay technique. Strips are divided into qualitative and quantitative strips. In qualitative strip testing, the sample volume and diluent volume have little impact, but quantitative addition is preferable. In quantitative strip testing, the sample volume and diluent volume have a significant impact. Generally, quantitative assays require precise pipetting to add the diluent to the sample container.

[0003] Existing quantitative sampling and sample addition techniques mostly employ pipette devices, requiring specialized pipettes and operation. The addition of diluents also primarily utilizes pipettes. While dropper bottles are sometimes used for adding diluents, their insufficient precision leads to inaccurate sample addition.

[0004] Therefore, it is necessary to design a quantitative sampling and dispensing device that can accurately and quantitatively sample and dispense the sample, and to conveniently and accurately add the diluent. Utility Model Content

[0005] To address the problems in the prior art, this application proposes a quantitative sampling and dispensing device that can accurately and quantitatively sample and dispense the sample, and conveniently and accurately dispensing the diluent.

[0006] This invention provides a quantitative sampling and dispensing device, which includes a squeezing chamber. A partition plate is provided inside the squeezing chamber, dividing the internal squeezing chamber into a first squeezing chamber and a second squeezing chamber. A vent hole is provided on the side wall of the first squeezing chamber, which is connected to a connecting tube. A quantitative capillary tube is connected to the end of the connecting tube. The quantitative capillary tube can quantitatively add the sample into the capillary tube through a siphon effect. The first squeezing chamber is used to squeeze out and dispense the sample from the quantitative capillary tube, and the second squeezing chamber is used to quantitatively store the diluent.

[0007] As a further improvement to the above technical solution: In the aforementioned quantitative sampling and dispensing device, the second extrusion chamber is further connected to a liquid inlet pipe, which is used to quantitatively deliver the diluent to the second extrusion chamber, and the liquid inlet pipe is provided with a heat-sealing handle, which can seal the liquid inlet pipe.

[0008] In the aforementioned quantitative sampling and adding device, the squeezing chamber located at one end of the second squeezing chamber is conical, and the liquid inlet pipe is connected to the top of the conical shape.

[0009] In the aforementioned quantitative sampling and dispensing device, the quantitative capillary tube is further nested within the inner wall of the end of the connecting tube.

[0010] The above-mentioned technical features can be combined in various suitable ways or replaced by equivalent technical features, as long as the purpose of this utility model can be achieved.

[0011] The present invention provides a quantitative sampling and dispensing device, which, compared with the prior art, has at least the following advantages: In manufacturing this device, a quantitative amount of diluent is stored in the second squeezing chamber. When using this device, the sample is first quantitatively added to the quantitative capillary tube through automatic siphon action. The operator holds the squeezing chamber and uses their fingers to block the vent, squeezing the first squeezing chamber to expel the sample from the connecting tube for quantitative dispensing. The second squeezing chamber is then opened, and squeezing it dispenses the pre-filled diluent for quantitative dispensing. This quantitative sampling and dispensing device can accurately and quantitatively sample and dispense the diluent, and it allows for portable and accurate quantitative dispensing of the diluent.

[0012] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0014] The present invention will be described in more detail below based on embodiments and with reference to the accompanying drawings. Wherein: Figure 1 A schematic diagram of the structure of the quantitative sampling and dispensing device provided in an embodiment of this utility model is shown.

[0015] In the accompanying drawings, the same parts use the same reference numerals. The drawings are not to scale.

[0016] Explanation of reference numerals in the attached figures: 100 - Quantitative sampling and dispensing device; 110 - Inside the squeezing chamber; 111 - Divider plate; 112 - First squeezing chamber; 113 - Second squeezing chamber; 114 - Vent hole; 120 - Connecting tube; 130 - Quantitative capillary tube; 140 - Liquid inlet tube; 141 - Heat-sealed handle. Detailed Implementation

[0017] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0018] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0019] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0020] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0021] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0022] The present invention will be further described below with reference to the accompanying drawings.

[0023] This utility model provides a quantitative sampling and adding device 100, which can accurately and quantitatively sample and add samples, and conveniently and accurately add diluent.

[0024] Please see Figure 1 The present invention provides a quantitative sampling and dispensing device 100, which includes a squeezing chamber. A partition plate 111 is provided inside the squeezing chamber 110, which divides the internal squeezing chamber of the squeezing chamber into a first squeezing chamber 112 and a second squeezing chamber 113. A vent hole 114 is provided on the side wall of the first squeezing chamber 112. The first squeezing chamber 112 is connected to a connecting pipe 120, and the end of the connecting pipe 120 is connected to a quantitative capillary tube 130. The quantitative capillary tube 130 can add the sample to the quantitative capillary tube 130 by siphon action. The first squeezing chamber 112 is used to squeeze out the sample in the quantitative capillary tube 130 for dispensing, and the second squeezing chamber 113 is used to quantitatively store the diluent.

[0025] In manufacturing the quantitative sampling and dispensing device 100, a quantitative amount of diluent is stored in the second squeezing chamber 113. When using the quantitative sampling and dispensing device 100, the sample is first added to the quantitative capillary 130 through the automatic siphon action of the quantitative capillary 130. After the sample volume is quantitatively added to the quantitative capillary 130, the operator holds the squeezing chamber and uses their fingers to block the vent 114, squeezing the first squeezing chamber 112 to expel the sample in the connecting tube 120 for quantitative dispensing. The second squeezing chamber 113 is then opened and squeezed to quantitatively dispense the diluent pre-filled in the second squeezing chamber 113. The quantitative sampling and dispensing device 100 provided by this embodiment of the present invention can accurately and quantitatively sample and dispense the sample, and can conveniently and accurately add diluent in a quantitative manner.

[0026] The quantitative sampling and dispensing device 100 provided in this embodiment of the present invention is further described in the following reference: Figure 1 The second squeezing chamber 113 is connected to an inlet pipe 140, which is used to quantitatively deliver the diluent to the second squeezing chamber 113. The inlet pipe 140 is equipped with a heat-sealing handle 141, which can seal the inlet pipe 140. When manufacturing this quantitative sampling and dispensing device 100, the diluent is first quantitatively delivered to the second squeezing chamber 113 through the inlet pipe 140. Then, the inlet pipe 140 is heat-sealed by a heat-sealing arm to form a heat-sealing handle 141. When quantitative dispensing of the diluent is required, the heat-sealing handle 141 is broken, and the second squeezing chamber 113 is squeezed to quantitatively dispense the diluent pre-filled within the second squeezing chamber 113.

[0027] In this embodiment, please refer to Figure 1The extrusion chamber is tapered at one end of the second extrusion chamber 113, and the inlet pipe 140 is connected to the top of the tapered shape. The metering capillary 130 is sealed and nested within the inner wall of the end of the connecting pipe 120. This installation method facilitates the replacement of the metering capillary 130.

[0028] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

Claims

1. A quantitative sampling and dispensing device, characterized in that, The quantitative sampling and dispensing device (100) includes a squeezing chamber. The squeezing chamber (110) is provided with a partition plate (111). The partition plate (111) divides the internal squeezing chamber of the squeezing chamber into a first squeezing chamber (112) and a second squeezing chamber (113). The side wall of the first squeezing chamber (112) is provided with a vent hole (114). The first squeezing chamber (112) is connected to a connecting tube (120). The end of the connecting tube (120) is connected to a quantitative capillary tube (130). The quantitative capillary tube (130) can quantitatively add the sample to the quantitative capillary tube (130) through a siphon effect. The first squeezing chamber (112) is used to squeeze out the sample in the quantitative capillary tube (130) and add it. The second squeezing chamber (113) is used to quantitatively store the diluent.

2. The quantitative sampling and dispensing device according to claim 1, characterized in that, The second extrusion chamber (113) is connected to an inlet pipe (140), which is used to quantitatively deliver the diluent to the second extrusion chamber (113). The inlet pipe (140) is provided with a heat-sealing handle (141), which can block the inlet pipe (140).

3. The quantitative sampling and dispensing device according to claim 2, characterized in that, The extrusion chamber is tapered at one end of the second extrusion chamber (113), and the inlet pipe (140) is connected to the top of the tapered shape.

4. The quantitative sampling and dispensing device according to claim 1, characterized in that, The quantitative capillary (130) is nested on the inner sidewall of the end of the connecting tube (120).

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