CN215493626U

CN215493626U - Chromatography detection device

Info

Publication number: CN215493626U
Application number: CN202120717340.1U
Authority: CN
Inventors: 刘元; 姚玲玲; 郑日记; 端木家喜; 季通云
Original assignee: Jiangsu Gemkeeper Biotech Co ltd
Current assignee: Jiangsu Gemkeeper Biotech Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2022-01-11
Anticipated expiration: 2031-04-08

Abstract

The utility model relates to the technical field of solid-liquid detection, in particular to a chromatography detection device, which comprises a bottle cap, an inner bottle and a sampling rod which are independently arranged, wherein liquid is arranged in the inner bottle, the bottle cap comprises a hollow cylindrical part, the upper end and the lower end of the hollow cylindrical part are respectively an opening end and a sealing end, and the hollow cylindrical part extends into the inner bottle. The precision and the efficiency of detection are greatly improved.

Description

Chromatography detection device

Technical Field

The utility model relates to the technical field of solid-liquid detection, in particular to a chromatography detection device.

Background

The current hospital excrement detection process comprises the steps of enabling a physical examiner to go to a clinical laboratory to get an excrement sampling cup, go to a toilet to collect excrement into the excrement cup, transporting the excrement into the clinical laboratory, enabling the clinical examiner to collect the excrement into a diluent to be uniformly mixed, discarding redundant excrement, opening a reagent package to take out a reagent, sucking the uniformly mixed sample by a straw, adding the sample on a reagent sample pad, and judging the result within 5-10 minutes.

Therefore, in the process, high sealing performance of the excrement storage condition needs to be kept, other solid-liquid sampling detection is the same, and a good sealing performance needs to be kept in the reaction process or the standing state, so that a good detection effect can be obtained, and sufficient detection efficiency is ensured.

The existing detection device is generally sealed by adopting a plunger, and after long-time use, the sealing mode easily causes the volatilization of the reaction liquid inside to the outside air, so that the precision of the detection result is influenced, and meanwhile, in the reaction process, the enough sealing property cannot be ensured.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a chromatography detection device, and aims to solve the technical problem of improving the sealing performance of the monitoring device and simplifying the operation.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a chromatography detection device comprises a bottle cap, an inner bottle and a sampling rod which are independently arranged, wherein liquid is arranged in the inner bottle, the bottle cap comprises a hollow cylindrical part, the upper end and the lower end of the hollow cylindrical part are respectively an opening end and a sealing end, the opening end is communicated with the outside, the sealing end is provided with a first puncture part, the hollow cylindrical part extends into the inner bottle, the bottle cap is connected with the inner bottle and seals the inner bottle, and the hollow cylindrical part and the first puncture part are of an integrally formed structure;

the two ends of the sampling rod are respectively provided with a pointed part and a plunger piston, the plunger piston is movably and hermetically arranged in the hollow cylindrical part, the pointed part is pointed, and the hardness of the pointed part is greater than that of the first puncture part.

Further, the bottom of interior bottle is provided with the second puncture portion, and the length of sampling stick is greater than the distance between first puncture portion to the second puncture portion.

Further, the thickness of the first puncture part and the second puncture part is smaller than the wall thickness of the hollow cylindrical part and the wall thickness of the inner bottle respectively.

Furthermore, the outer part of the inner bottle is provided with a transparent outer bottle, and the bottle cap is connected with the top of the outer bottle.

Furthermore, a plurality of reagent strips which are vertically placed are arranged between the outer bottle and the inner bottle.

Further, the bottle cap is connected with the inner bottle through threads.

Further, the pointed portion is provided with a sample collection portion.

The beneficial effect that this technical scheme brought is: according to the chromatographic detection device, the reagent strip needing drying conditions is completely sealed and isolated from liquid through the reasonably designed bottle cap, inner bottle and sampling rod structures, so that the reagent strip and the liquid are integrated, the operation is convenient, the operation can be carried out without experience, a completely sealed environment in the detection process is realized, and the pollution of people and the environment and the discomfort of operators are avoided. When not inserting the sampling stick, bottle and the inside sealed of outer bottle in can guaranteeing by first puncture portion, after inserting the sampling stick, when first puncture portion was passed in its bottom, the open end can just be sealed to the plunger, has guaranteed from this to have the air admission that can not have the outside. When the tip of sampling stick passes second puncture portion, receive the gas of plunger extrusion also can enter into the inner bottle, play the pushing action to liquid for liquid enters into in the outer bottle from second puncture portion department.

When the sampling rod is used, the sampling rod is held by hand to collect a stool sample by using the pointed part, the pointed part penetrates through the first puncturing part and enters the inner bottle to be contacted with liquid, the stool sample and the liquid are uniformly mixed by shaking, the plunger is pushed, the liquid flows into the outer bottle and is contacted with the reagent to react, the sampling rod is vertically placed, and the result is checked within 5-15 minutes.

Under the state of stewing after the reaction, the liquid in the outer bottle is not easy to volatilize to the air due to the integral sealing performance, and the detection precision and efficiency are greatly improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of a chromatography detection apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a bottle cap in an embodiment of a chromatography detection apparatus of the present invention;

FIG. 3 is a schematic structural diagram of a sampling rod in an embodiment of a chromatographic detection device of the utility model;

FIG. 4 is a schematic structural diagram of an inner bottle and an outer bottle of a chromatography detection apparatus according to an embodiment of the present invention;

in the figure: 1-bottle cap, 2-inner bottle, 3-sampling rod, 4-hollow cylindrical part, 41-opening end, 42-sealing end, 43-first puncture part, 31-plunger, 32-pointed part, 21-second puncture part, 5-outer bottle and 51-reagent strip.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

As shown in fig. 1, the chromatography detection device comprises a bottle cap 1, an inner bottle 2 and a sampling rod 3 which are independent from each other, wherein liquid is arranged in the inner bottle 2, the bottle cap 1 comprises a hollow cylindrical part 4, the upper end and the lower end of the hollow cylindrical part 4 are respectively an open end 41 and a sealing end 42, the sealing end 42 is provided with a first puncture part 43, the open end 41 is communicated with the outside, the hollow cylindrical part 4 extends into the inner bottle 2, the bottle cap 1 is connected with the inner bottle 2 and seals the inner bottle 2, and the hollow cylindrical part 4 and the first puncture part 4 are of an integrally formed structure.

In addition, the two ends of the sampling rod 3 are respectively provided with a plunger 31 and a pointed part 32, the plunger 31 is movably and hermetically arranged in the hollow cylindrical part 4, the pointed part 32 is pointed, and the hardness of the pointed part 32 is greater than that of the first puncture part 4. Thus, after the sampling rod 3 is inserted into the hollow cylindrical portion 4, the pointed portion 32 can penetrate the first piercing portion 43 to extend into the inner bottle 2, and at the same time, the plunger 31 can fill the hollow cylindrical portion 4 to achieve a sealing effect. When the device is in the state of standing detection, external gas is difficult to penetrate through the opening end 41 and enter the inner bottle 2, and liquid in detection is difficult to volatilize to the external environment, so that the detection effect is influenced.

In this embodiment, the bottom of the inner bottle 2 is provided with the second puncturing part 21, and the length of the sampling rod 3 is greater than the distance between the first puncturing part 4 and the second puncturing part 21, so that the tip 32 can continuously pass through the second puncturing part 21 after passing through the first puncturing part 43, and thus the gas extruded in the process that the plunger 31 is filled with the hollow cylindrical part 4 can enter the inner bottle 2 together, and after the second puncturing part 21 is penetrated, the gas plays a role in boosting the pushing force of the liquid in the inner bottle 2, and the liquid reacted with the tip 32 is pushed to the next environment for detection.

In this embodiment, the thickness of the first piercing part 43 and the second piercing part 21 is smaller than the thickness of the hollow cylindrical part 43 and the wall of the inner bottle 2, respectively, so that the stability of the piercing process can be ensured.

In this embodiment, the outside of interior bottle 2 is provided with and is transparent outer bottle 5, and bottle lid 1 and the top sealing connection of outer bottle 5, this connected mode can be threaded connection, and it has advantages such as easy dismounting, sealing performance are good. Thus, the liquid reacted by the tip portion 32 is pushed between the outer bottle 5 and the inner bottle 2 by the gas, and the detection reaction is performed.

In this embodiment, be provided with the vertical reagent strip 51 of placing of a plurality of between outer bottle 5 and the interior bottle 2, the precision that detects can be improved in the setting of a plurality of reagent, also is convenient for directly observe the detection effect.

In this embodiment, the tip portion 32 is provided with a sample collecting portion, which may be a tapered structure, so that the tip portion 32 can rapidly pierce through the first piercing portion 43 and the second piercing portion 21, thereby ensuring normal operation of the detection process, and meanwhile, the tapered design can facilitate sampling and collection.

In conclusion, the chromatography detection device provided by the utility model realizes a completely closed environment in the detection process through the reasonably designed structures of the bottle cap 1, the inner bottle 2 and the sampling rod 3. When the sampling rod 3 is not inserted, the first puncturing part 43 can ensure the sealing between the inner bottle 2 and the outer bottle 5, and when the sampling rod 3 is inserted, the bottom end of the pointed part 32 of the sampling rod passes through the first puncturing part 43, the plunger 31 can just seal the opening end 41, thereby ensuring that no external air enters. When the bottom end of the sampling rod 3 passes through the second puncture part 21, the gas squeezed by the plunger 31 also enters the inner bottle 2 to push the liquid, so that the liquid enters the outer bottle 5 from the second puncture part 21 and contacts with the reagent 51 to react, and detection is performed.

Under the state of stewing after the reaction, the liquid inside the outer bottle 5 is not easy to volatilize into the air due to the integral sealing performance, and the detection precision and efficiency are greatly improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A chromatography detection device is characterized in that: the sampling bottle comprises a bottle cap, an inner bottle and a sampling rod which are independently arranged, wherein liquid is arranged in the inner bottle, the bottle cap comprises a hollow cylindrical part, the two ends of the hollow cylindrical part are respectively an opening end and a sealing end, the sealing end is provided with a first puncture part, the opening end is communicated with the outside, the hollow cylindrical part extends into the inner bottle, the bottle cap is connected with the inner bottle and seals the inner bottle, and the hollow cylindrical part and the first puncture part are of an integrally formed structure;

the both ends of sampling stick are point form portion and plunger respectively, plunger movable sealing sets up in the hollow cylinder portion, point form portion is the point shape, the hardness of point form portion is greater than the hardness of first puncture portion.

2. The chromatography detection apparatus according to claim 1, wherein: the bottom of interior bottle is provided with the second puncture portion, the length of sampling stick is greater than first puncture portion to the distance between the second puncture portion.

3. A chromatographic test device in accordance with claim 2 wherein: the thicknesses of the first puncture part and the second puncture part are respectively smaller than the thicknesses of the hollow cylindrical part and the inner bottle.

4. The chromatography detection apparatus according to claim 1, wherein: the outer bottle that is transparent form is provided with in the outside of interior bottle, the bottle lid with the top of outer bottle is connected.

5. The chromatography detection apparatus according to claim 4, wherein: a plurality of reagent strips which are vertically placed are arranged between the outer bottle and the inner bottle.

6. The chromatography detection apparatus according to claim 1, wherein: the bottle cap is connected with the inner bottle through threads.

7. The chromatography detection apparatus according to claim 1, wherein: the pointed part is provided with a sample collecting part.