CN216622182U - Sample detection device - Google Patents

Abstract

The utility model relates to the technical field of sample detection devices, in particular to a sample detection device. The device comprises a detection device body and a sampling rod, wherein a sample tube and a reaction tank communicated with the sample tube are fixedly arranged on the detection device body, an inner tube filled with a detection reagent is arranged in the sample tube, a press button capable of destroying the inner tube is arranged on the sample tube, and the lower end of the sampling rod can be inserted into the reaction tank. By adopting the device, the inspection personnel can detect the extracted object to be detected on the scene of a case, so that the rapid qualitative analysis of the object to be detected is realized, and corresponding countermeasures are taken according to the detection result.

Description

Sample detection device

Technical Field

The utility model relates to the technical field of chemical inspection, in particular to a sample detection device.

Background

Chemical detection is a commonly used detection means in criminal investigation. The chemical properties of different colors generated by the reaction of the object to be detected and corresponding reagents are utilized, so that the object to be detected can be rapidly determined, and a corresponding coping strategy can be timely and rapidly made on a case site. For example, in an explosion field, the types and components of explosives are determined by reacting different explosives with corresponding reagents to generate different colors, so that directions and clues are provided for detection; and further, according to the types and components of the explosives, field personnel adopt different protective measures, and the method has important significance for protecting the safety of the field personnel.

In the prior art, a form of packaging a test paper and a corresponding reagent separately is generally adopted, when the kit is used, an object to be detected is placed on the test paper, the reagent is dripped on the test paper, and then the color of the test paper is observed to determine the components of the object to be detected. This method has the inconvenience that (1) sampling is inconvenient. The object to be detected in a criminal investigation site is usually trace, the object is transferred to detection test paper after sampling, the transfer amount is not easy to determine, and when the sample amount is too small, the color reaction is not obvious sometimes, and the result judgment is influenced. (2) The reagent is inconvenient to carry; (3) in the criminal investigation detection field, some reagents are toxic or corrosive, for example, concentrated sulfuric acid is corrosive, and if the reagents are used carelessly, the reagents can easily corrode the skin of an inspector.

This is a disadvantage of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the prior art is not enough, and provides a sample detection device, so that inspectors can rapidly detect an extracted object to be detected on site on a case, rapid qualitative analysis of the object to be detected is realized, and corresponding countermeasures are taken according to a detection result.

The scheme is realized by the following technical measures:

a sample testing device, characterized by: including detection device body and sampling rod, the fixed reaction tank that is provided with the sample cell and communicates with the sample cell on the detection device body, be provided with the inner tube that is equipped with detection reagent in the sample cell, be equipped with the press button that can destroy the inner tube on the sample cell, the sampling rod lower extreme can insert in the reaction tank.

The sample tube is communicated with the reaction tank through a closed detection reagent channel. This can prevent leakage of the detection reagent during the flow into the reaction tank.

Preferably, the number of the sample tubes is one or more, and more preferably, when the number of the sample tubes is multiple, each sample tube is communicated with the reaction tank through a separate closed detection reagent channel. When the number of the sample tubes is multiple, different detection reagents are arranged in each sample tube, and when the device is used, the multiple detection reagents can flow out of different sample tubes, and the qualitative determination of the sample is realized through the reaction between the different detection reagents and the object to be detected.

Preferably, the upper end of the sampling rod is provided with a buckle cover which can be buckled on the detection device body. When not in use, the buckle cover can fix the sampling rod on the detection device body, so that the whole device is integrated, and the transportation and the carrying are convenient.

The lower end of the sampling rod is provided with a sampling layer made of an adhesive material, and the part of the sampling layer can be inserted into the reaction tank. The adherable material may be double-sided tape or other chemically stable material having an adhesive function. The sample to be tested can be adhered to the sampling layer during sampling.

Preferably, the inner tube is a glass tube or a flexible plastic tube, the tightness is good, and the contained reagent cannot be exposed.

Preferably, the push button is provided on an outer wall of the sample tube. When the device is used, the sample button is pressed forcibly, the inner tube filled with the detection reagent in the corresponding sample tube is broken, the detection reagent flows into the reaction groove below, and the detection reagent reacts with a sample to be detected on the sampling layer to generate different colors or color changes.

Preferably, the push button is arranged at the lower end of the sample tube. This facilitates the flow of more assay reagents into the sample well.

Preferably, the volume of the reaction tank is larger than the total volume of the test agent in the inner tube. In the detection, the detection reagent flowing out of the inner tube can be ensured not to leak.

Preferably, the reaction tank is made of a transparent material. The reaction process and the color change condition in the reaction tank can be observed through the transparent material, so that the preliminary determination of the species or the components of the object to be detected is realized.

The utility model discloses a sample detection device, wherein an inspector collects a sample through a sampling layer in a case site, the sample is collected, the sample layer is inserted into a reaction tank, a button is pressed forcibly, an inner tube of a sample tube is damaged, a detection reagent in the sample tube flows into the reaction tank communicated with the sample tube and reacts with the sample to be detected on the sampling layer, so that different colors or color changes are generated, and the rapid qualitative analysis of the object to be detected can be realized through the different colors or the color changes. For different samples, sample detection devices containing the respective detection reagents are used. In the detection process, the detection reagent reacts in the reaction tank, and the reaction tank has good tightness, so that volatilization and leakage of the detection reagent can be effectively reduced, and body damage to operators is reduced.

The sample detection device can be used in the fields of criminal investigation, explosion prevention, drug inhibition, counter terrorism and the like, and can also be used in the fields of environmental protection, security inspection and the like.

Therefore, compared with the prior art, the utility model has substantive characteristics and progress, and the beneficial effects of the implementation are also obvious.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic side view of the present invention.

Wherein: 1-detection device body, 2-reaction tank, 3-buckle closure, 4-sampling rod, 5-sampling layer, 6-sample tube, 7-inner tube, 8-press button, 9-detection reagent channel.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the following explains the present solution by way of specific embodiments and with reference to the accompanying drawings.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

As shown in fig. 1-2, a sample detection device comprises a detection device body 1 and a sampling rod 4, wherein a sample tube 6 and a reaction tank 2 communicated with the sample tube are fixedly arranged on the detection device body 1, an inner tube 7 filled with a detection reagent is arranged in the sample tube 6, a press button 8 capable of destroying the inner tube 7 is arranged on the sample tube 6, and the lower end of the sampling rod 4 can be inserted into the reaction tank 2. The upper end of the sampling rod is provided with a buckle cover 3 which can be buckled on the detection device body. The pressing end of the pressing button 8 is arranged on the outer side of the sample tube 6. The push button 8 is arranged at the lower side of the sample tube 6. The sample tube 6 is arranged at the upper end of the detection device body 1, the reaction tank 2 is arranged at the lower end of the detection device body 1, and the detection reagent channel 9 penetrates through the detection device body 1. The volume of the reaction tank 2 is larger than the total volume of the test agent in the inner tube 6. The reaction tank 2 is made of a transparent material. The lower end of the sampling rod 2 is provided with a sampling layer 5 made of an adhesive material, and the part of the sampling layer 5 can be inserted into the reaction tank 2.

At the scene of a crime, the inspector can be through opening buckle closure 3, take off sampling rod 4 from detection device body 1, take the sample that awaits measuring with sampling layer 5, then insert sampling layer 5 into reaction tank 2, press button 8 hard, make the inner tube 7 that is equipped with the testing reagent in the sample tube 6 break, testing reagent flows into reaction tank 2 through testing reagent passageway 9, with the sample layer 5 on the adhesion wait to detect the thing and take place the reaction, show different colour or colour change, can realize the quick qualitative analysis of the thing that awaits measuring according to colour or colour change. For different samples, sample detection devices with corresponding detection reagents are used. In the testing process, the testing reagent takes place the reaction in the reaction tank, because the reaction tank seal nature is good, can avoid volatilizing and revealing of testing reagent and cause environmental pollution, reduce the health damage to operating personnel simultaneously.

The sample detection device can be used for rapidly detecting physical evidences such as explosives, drugs and the like on case sites, and rapidly analyzing the object to be detected through chemical reaction.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating 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 the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although the embodiments of the present invention have been shown and described, it is understood that the embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the embodiments without departing from the scope of the present invention.

Claims (10)

1. A sample testing device, characterized by: including detection device body and sampling rod, the fixed reaction tank that is provided with the sample cell and communicates with the sample cell on the detection device body, be provided with the inner tube that is equipped with detection reagent in the sample cell, be equipped with the press button that can destroy the inner tube on the sample cell, the sampling rod lower extreme can insert in the reaction tank.

2. The sample testing device of claim 1, wherein: the sample tube is communicated with the reaction tank through a closed detection reagent channel.

3. The sample testing device of claim 1, wherein: the number of the sample tubes is one or more.

4. The sample testing device of claim 3, wherein: when the number of the sample tubes is multiple, each sample tube is communicated with the reaction tank through an independent closed detection reagent channel.

5. The sample testing device of claim 1, wherein: the upper end of the sampling rod is provided with a buckle cover which can be buckled on the detection device body.

6. The sample testing device of claim 1, wherein: the lower end of the sampling rod is provided with a sampling layer made of an adhesive material, and the part of the sampling layer can be inserted into the reaction tank.

7. The sample testing device of claim 1, wherein: the push button is arranged on the outer wall of the sample tube.

8. The sample testing device of claim 1, wherein: the press button is arranged at the lower end of the sample tube.

9. The sample testing device of claim 1, wherein: the volume of the reaction tank is larger than the total volume of the detection reagent in the inner tube.

10. The sample testing device of claim 1, wherein: the reaction tank is made of transparent material.

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