CN107121543A - Liquid detection cup and its detection method with vacuum drawing liquid structure - Google Patents
Liquid detection cup and its detection method with vacuum drawing liquid structure Download PDFInfo
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- CN107121543A CN107121543A CN201710302940.XA CN201710302940A CN107121543A CN 107121543 A CN107121543 A CN 107121543A CN 201710302940 A CN201710302940 A CN 201710302940A CN 107121543 A CN107121543 A CN 107121543A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/558—Immunoassay; Biospecific binding assay; Materials therefor using diffusion or migration of antigen or antibody
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Abstract
The invention discloses a kind of liquid detection cup with vacuum drawing liquid structure, including cup, cup lid, test paper inserted sheet, Test paper, vacuum drawing liquid structure and graduation mark, vacuum drawing liquid structure includes vacuum casting, vacuum casting lid, vacuum tube, sealing-plug, liquid pumping needle, cup lid accommodates set and vacuum casting lid holding tank provided with vacuum tube, the liquid pumping needle is located at vacuum tube receiving set bottom and syringe needle is set upward, liquid pumping needle bottom is connected with cup internal liquid, cup lid is connected with cup by thread seal, test paper inserted sheet and Test paper are arranged in vacuum casting, feed liquor deflector is provided with inside vacuum casting lid, two feed pathways are formed between feed liquor deflector two ends and vacuum casting lid inwall, test paper dividing plate is provided with above feed liquor deflector, through hole of the test paper dividing plate provided with some cooperation Test papers.Present invention detection and sample-adding process are convenient and healthy, and accuracy of detection is high, and packing cost is low, and the feature of environmental protection is good, and is easy to the follow-up repeated authentication of sample liquid and detection.
Description
Technical field
The invention belongs to technical field of liquid detection, more particularly to a kind of liquid detection cup with vacuum drawing liquid structure and its
Detection method.
Background technology
Whether liquid-detecting is mainly for detection of various compositions to be detected are contained in liquid, traditional colloid gold test paper is examined
It is usually that sample liquid is put into detection cup to survey cup, and the imbibition end of Test paper, which is directly placed into sample liquid, to be detected, this kind
Structure causes accuracy of the sample liquid in follow-up repeated authentication and detection by certain influence；
And because sample liquid also needs to follow-up repeated authentication and detection, therefore, sample liquid needs to take out after having detected,
When sampling and sample-adding, sample liquid is easily inadvertently contacted, so as to cannot get medical support；
Furthermore, Test paper is usually to be directly encapsulated into cup, accordingly, it would be desirable to drier and aluminium foil bag are packed,
Packing cost is not only improved, and used drier and aluminium foil bag easily cause secondary environmental pollution；
And urine detection cup generally required just to can ensure that the sealing property of detection cup equipped with sealing ring in cup lid in the past,
Add sealing ring production and assembly cost.
The content of the invention
There is provided one kind detection and sample-adding process in order to solve defect present in above-mentioned prior art and deficiency by the present invention
Convenient and healthy, accuracy of detection is high, and packing cost is low, and the feature of environmental protection is good, and sample liquid can be prevented to be detected test paper pollution, is easy to
The follow-up repeated authentication of sample liquid and the liquid detection cup with vacuum drawing liquid structure and its detection method of detection.
Technical scheme：A kind of liquid detection cup with vacuum drawing liquid structure, including cup, cup lid, test paper are inserted
Piece, Test paper, vacuum drawing liquid structure and the graduation mark being engraved on cup inwall, the vacuum drawing liquid structure are included outside vacuum
Shell, vacuum casting lid, the vacuum tube for being arranged on vacuum casting base portion, the sealing-plug for being arranged on vacuum bottom of the tube, it is arranged on cup
The liquid pumping needle of fitted seal plug is covered, the cup lid accommodates set and vacuum casting lid holding tank, the drawing liquid provided with vacuum tube
Pin be located at vacuum tube accommodate set bottom and syringe needle set upward, liquid pumping needle bottom is connected with cup internal liquid, the cup lid and
Cup is connected by thread seal, and the test paper inserted sheet and Test paper are arranged in vacuum casting, in the vacuum casting lid
Portion is provided with feed liquor deflector, and two feed pathways are formed between the feed liquor deflector two ends and vacuum casting lid inwall, described
Test paper dividing plate, through hole of the test paper dividing plate provided with some cooperation Test papers are provided with above feed liquor deflector.
The present invention, which is extracted sample liquid in vacuum casting using principle of negative pressure, to be detected, whole process need not contact sample
Liquid, no leakage is loaded process more safety and sanitation, and sample liquid unidirectionally flows out from cup, does not result in the sample in sample cup
This liquid pollutes, beneficial to the checking and detection subsequently repeated；While control that can be to vacuum magnitude in vacuum casting, can accurately be controlled
The sampling amount of this liquid of sample preparation, the reading of the degree of accuracy and subsequent result beneficial to detection, and Test paper are directly in negative pressure state
It is lower to preserve, completely cut off with outside air, to install drier and packaging of aluminium foil bag additional again without such as other detection cups, it is to avoid environment is produced
Raw secondary pollution；Cup lid seals simple and reliable with cup simultaneously, economizes on resources, the setting of feed liquor deflector can prevent sample liquid
Because negative pressure is directly made a dash into vacuum casting from centre so that sample liquid can be from both sides into liquid level in vacuum casting slowly
Rise, so that it is guaranteed that uniformity and completeness that the imbibition end of Test paper is contacted with sample liquid, improve detection efficiency and guarantee
Detection results；The setting of test paper dividing plate can both prevent Test paper from dropping, and ensure that the pressure balance in vacuum casting.
Preferably, it is provided with and coordinates in externally threaded in the external screw thread provided with connection cup lid at the top of the cup, the cup lid
It is provided with below screw thread, the external screw thread of the cup wherein side below a rim of a cup stuck point, the internal thread provided with cooperation rim of a cup card
The cup lid cramp of point.
This kind of structure facilitates operator to judge the link position of cup lid and cup, it is ensured that the degree of being connected firmly of cup lid and cup
And connection sealing.
Preferably, the vacuum casting is flat structure, and the diameter of the vacuum tube is more than the thickness of vacuum casting lid, institute
State in the middle part of vacuum casting lid holding tank provided with the arc concave shape for coordinating vacuum tube.
The design of the flat structure of vacuum casting, is more convenient to folded high heap and adds, more save space, beneficial to transport.
Preferably, the vacuum tube accommodates set bottom and is provided with liquid pumping needle mounting head, and the liquid pumping needle bottom is provided with a screw thread
The internal thread of matching thread connector is provided with connector, the liquid pumping needle mounting head.
This kind of structure ensures the degree of firmly installing of liquid pumping needle, improves its drawing liquid stability and detection reliability.
Preferably, the liquid pumping needle is externally provided with needle guard, and sealing ring is provided between the needle guard and threaded connector, described to take out
Liquid pin bottom connects a liquid suction pipe, and the drawing liquid bottom of the tube is located in cup under liquid level.
This kind of structure improves its sealing and drawing liquid stability.
Preferably, the vacuum bottom of the tube is provided with a bottom, and the bottom covers tightly sealing-plug in vacuum bottom of the tube.
This kind of structure ensures the firmly installing property of sealing-plug, so as to ensure vacuum tube, vacuum casting and vacuum casting lid
Sealing.
Preferably, the feed liquor deflector is curved, and its is opening down, and the cup lid outer ring is provided with anti-skidding raised line.
This kind of structure is further ensured that its feed liquor water conservancy diversion effect, it is ensured that sample liquid can enter vacuum casting lid from both sides.
Preferably, test paper inserted sheet neck is provided with inside the vacuum casting, the imbibition end of the Test paper is set down
In the through hole for inserting test paper dividing plate.
This kind of structure improves the degree of firmly installing of Test paper, and may insure that the imbibition end of Test paper can be fine
Absorption sample liquid detected.
Preferably, the vacuum casting lid cover behind vacuum casting bottom by welding be fastenedly connected.
This kind of structure ensures the degree of being connected firmly and sealing of vacuum casting lid and vacuum casting.
A kind of detection method of the liquid detection cup with vacuum drawing liquid structure, comprises the steps：
1) liquid to be detected is put into cup according to demand, it is ensured that drawing liquid bottom of the tube be located at liquid to be detected liquid level it
Under, cover cup lid；
2) Test paper of required detection is inserted and be put into test paper inserted sheet in vacuum casting, then by vacuum casting lid lid
It is integrally welded after on vacuum casting；
3) vacuum casting of lid is placed on evacuator and vacuumized, the vacuum in vacuum casting is according to demand
It is previously set；
4) vacuum tube that the vacuum tube for exhausting vacuum is slowly inserted into cup lid is accommodated in set, and liquid pumping needle punctures sealing-plug；
5) now, due to suction function, the liquid to be detected in cup can be entered by liquid suction pipe, liquid pumping needle and vacuum tube
In vacuum casting lid and vacuum casting；
6) when liquid to be detected from vacuum tube enter vacuum casting lid in when can after feed liquor deflector water conservancy diversion from
Both sides enter vacuum casting lid in after liquid level slowly rise, prevent liquid to be detected because suction function directly made a dash from centre on
Go；
7) when the liquid level of liquid to be detected rises to test paper partition position, on the liquid level of liquid to be detected will stop
Rise, now, the imbibition end of Test paper is located just under liquid level, can intuitively see testing result.
The present invention, which is extracted sample liquid in vacuum casting using principle of negative pressure, to be detected, whole process need not contact sample
Liquid, no leakage is loaded process more safety and sanitation, and sample liquid unidirectionally flows out from cup, does not result in the sample in sample cup
This liquid pollutes, beneficial to the checking and detection subsequently repeated；While control that can be to vacuum magnitude in vacuum casting, can accurately be controlled
The sampling amount of this liquid of sample preparation, the reading of the degree of accuracy and subsequent result beneficial to detection, and Test paper are directly in negative pressure state
It is lower to preserve, completely cut off with outside air, to install drier and packaging of aluminium foil bag additional again without such as other detection cups, it is to avoid environment is produced
Raw secondary pollution；Cup lid seals simple and reliable with cup simultaneously, economizes on resources, the setting of feed liquor deflector can prevent sample liquid
Because negative pressure is directly made a dash into vacuum casting from centre so that sample liquid can be from both sides into liquid level in vacuum casting slowly
Rise, so that it is guaranteed that uniformity and completeness that the imbibition end of Test paper is contacted with sample liquid, improve detection efficiency and guarantee
Detection results；The setting of test paper dividing plate can both prevent Test paper from dropping, and ensure that the pressure balance in vacuum casting.
Brief description of the drawings
Fig. 1 is the schematic cross-sectional view of vacuum casting lid in the present invention；
Fig. 2 is exploded perspective view of the invention；
Fig. 3 is structural representation of the invention；
1. cup in figure, 2. cup lids, 3. vacuum casting lids, 4. vacuum castings, 5. vacuum tubes, 6 liquid pumping needles, 7. needle guards, 8.
Sealing ring, 9. vacuum casting lid holding tanks, 10. arc concave shapes, 11. Test papers, 12. test paper inserted sheets, 13. test paper dividing plates, 14.
Sealing-plug, 15. bottoms, 16. vacuum tubes accommodate set, 17. external screw threads, 18. rim of a cup stuck points, 19. anti-skidding raised lines, 20. feed liquor water conservancy diversion
Plate, 21. liquid suction pipes, 22. liquid pumping needle mounting heads, 23. threaded connectors.
Embodiment
The invention will now be described in further detail with reference to the accompanying drawings, but is not the limit to the scope of the present invention
System.
As Figure 1-3, a kind of liquid detection cup with vacuum drawing liquid structure, including cup 1, cup lid 2, test paper inserted sheet
12nd, Test paper 11, vacuum drawing liquid structure and the graduation mark being engraved on the inwall of cup 1.Vacuum drawing liquid structure includes vacuum casting
4th, vacuum casting lid 3, the sealing-plug 14 for being arranged on the vacuum tube 5 of the bottom of vacuum casting lid 3, being arranged on the bottom of vacuum tube 5, setting
The liquid pumping needle 6 of fitted seal plug 14 on cup lid 2, cup lid 2 accommodates set 16 and vacuum casting lid holding tank 9 provided with vacuum tube,
Liquid pumping needle 6 is located at vacuum tube receiving 16 bottoms of set and syringe needle is set upward, and the bottom of liquid pumping needle 6 is connected with the internal liquid of cup 1.Cup
Lid 2 is connected with cup 1 by thread seal, and test paper inserted sheet 12 and Test paper 11 are arranged in vacuum casting 4, vacuum casting lid
3 inside are provided with feed liquor deflector 20, and two feed pathways are formed between the two ends of feed liquor deflector 20 and the inwall of vacuum casting lid 3,
The top of feed liquor deflector 20 is provided with test paper dividing plate 13, through hole of the test paper dividing plate 13 provided with some cooperation Test papers 11.Cup 1
Top is provided with outside the internal thread provided with cooperation external screw thread 17 in the external screw thread 17 of connection cup lid 2, cup lid 2, the wherein side of cup 1
The lower section of screw thread 17 is provided with below a rim of a cup stuck point 18, internal thread provided with the cup lid cramp for coordinating rim of a cup stuck point 18.Vacuum casting 4 is
Flat structure, the diameter of vacuum tube 5 is more than the thickness of vacuum casting lid 3, and the middle part of vacuum casting lid holding tank 9 is provided with cooperation vacuum
The arc concave shape 10 of pipe 5.Vacuum tube accommodates 16 bottoms of set and is provided with liquid pumping needle mounting head 22, and the bottom of liquid pumping needle 6 connects provided with a screw thread
The internal thread of matching thread connector 23 is provided with joint 23, liquid pumping needle mounting head 22.Liquid pumping needle 6 is externally provided with needle guard 7, needle guard 7
Sealing ring 8 is provided between threaded connector 23, the bottom of liquid pumping needle 6 connects a liquid suction pipe 21, and the bottom of liquid suction pipe 21 is located at cup 1
Under interior liquid level.The bottom of vacuum tube 5 is provided with a bottom 15, and bottom 15 covers tightly sealing-plug 14 in the bottom of vacuum tube 5.Feed liquor water conservancy diversion
Plate 20 is curved, and its is opening down, and the outer ring of cup lid 2 is provided with anti-skidding raised line 19.The inside of vacuum casting 4 is provided with test paper inserted sheet card
Groove, the imbibition end of Test paper 11 is set in the through hole of insertion test paper dividing plate 13 down.Vacuum casting lid 3 is covered in vacuum casting 4
It is fastenedly connected behind bottom by welding.
A kind of detection method of the liquid detection cup with vacuum drawing liquid structure, comprises the steps：
1) liquid to be detected is put into cup according to demand, it is ensured that drawing liquid bottom of the tube be located at liquid to be detected liquid level it
Under, cover cup lid；
2) Test paper of required detection is inserted and be put into test paper inserted sheet in vacuum casting, then by vacuum casting lid lid
It is integrally welded after on vacuum casting；
3) vacuum casting of lid is placed on evacuator and vacuumized, the vacuum in vacuum casting is according to demand
It is previously set；
4) vacuum tube that the vacuum tube for exhausting vacuum is slowly inserted into cup lid is accommodated in set, and liquid pumping needle punctures sealing-plug；
5) now, due to suction function, the liquid to be detected in cup can be entered by liquid suction pipe, liquid pumping needle and vacuum tube
In vacuum casting lid and vacuum casting；
6) when liquid to be detected from vacuum tube enter vacuum casting lid in when can after feed liquor deflector water conservancy diversion from
Both sides enter vacuum casting lid in after liquid level slowly rise, prevent liquid to be detected because suction function directly made a dash from centre on
Go；
7) when the liquid level of liquid to be detected rises to test paper partition position, on the liquid level of liquid to be detected will stop
Rise, now, the imbibition end of Test paper is located just under liquid level, can intuitively see testing result.
Claims (10)
1. a kind of liquid detection cup with vacuum drawing liquid structure, including cup, cup lid, test paper inserted sheet, Test paper, vacuum drawing liquid
Structure and the graduation mark being engraved on cup inwall, it is characterised in that：The vacuum drawing liquid structure includes vacuum casting, vacuum casting
The sealing-plug that cover, be arranged on the vacuum tube in vacuum casting base portion, is arranged on vacuum bottom of the tube, it is arranged on fitted seal on cup lid
The liquid pumping needle of plug, the cup lid accommodates set and vacuum casting lid holding tank provided with vacuum tube, and the liquid pumping needle is located at vacuum tube
Accommodate set bottom and syringe needle is set upward, liquid pumping needle bottom is connected with cup internal liquid, the cup lid passes through screw thread with cup
It is tightly connected, the test paper inserted sheet and Test paper are arranged in vacuum casting, is led inside the vacuum casting lid provided with feed liquor
Plate is flowed, is formed between the feed liquor deflector two ends and vacuum casting lid inwall on two feed pathways, the feed liquor deflector
Side is provided with test paper dividing plate, through hole of the test paper dividing plate provided with some cooperation Test papers.
2. a kind of liquid detection cup with vacuum drawing liquid structure according to claim 1, it is characterised in that：The cup top
Portion, which is provided with the external screw thread of connection cup lid, the cup lid to be provided with, coordinates externally threaded internal thread, outside the cup wherein side
It is provided with below screw thread below a rim of a cup stuck point, the internal thread provided with the cup lid cramp for coordinating rim of a cup stuck point.
3. a kind of liquid detection cup with vacuum drawing liquid structure according to claim 1, it is characterised in that：Outside the vacuum
Shell is flat structure, and the diameter of the vacuum tube, which is more than in the middle part of the thickness of vacuum casting lid, the vacuum casting lid holding tank, to be set
There is the arc concave shape for coordinating vacuum tube.
4. a kind of liquid detection cup with vacuum drawing liquid structure according to claim 3, it is characterised in that：The vacuum tube
Accommodate set bottom and be provided with liquid pumping needle mounting head, the liquid pumping needle bottom is provided with a threaded connector, the liquid pumping needle mounting head
Internal thread provided with matching thread connector.
5. a kind of liquid detection cup with vacuum drawing liquid structure according to claim 4, it is characterised in that：The liquid pumping needle
Needle guard is externally provided with, sealing ring is provided between the needle guard and threaded connector, the liquid pumping needle bottom connects a liquid suction pipe, described
Drawing liquid bottom of the tube is located in cup under liquid level.
6. a kind of liquid detection cup with vacuum drawing liquid structure according to claim 1, it is characterised in that：The vacuum tube
Bottom is provided with a bottom, and the bottom covers tightly sealing-plug in vacuum bottom of the tube.
7. a kind of liquid detection cup with vacuum drawing liquid structure according to claim 1, it is characterised in that：The feed liquor is led
Stream plate is curved, and its is opening down, and the cup lid outer ring is provided with anti-skidding raised line.
8. a kind of liquid detection cup with vacuum drawing liquid structure according to claim 1, it is characterised in that：Outside the vacuum
Test paper inserted sheet neck is provided with inside shell, the imbibition end of the Test paper is set in the through hole of insertion test paper dividing plate down.
9. a kind of liquid detection cup with vacuum drawing liquid structure according to claim 1, it is characterised in that：Outside the vacuum
Cap cover behind vacuum casting bottom by welding be fastenedly connected.
10. a kind of detection method of the liquid detection cup as claimed in claim 5 with vacuum drawing liquid structure, it is characterised in that：
It comprises the steps：
1) liquid to be detected is put into cup according to demand, it is ensured that drawing liquid bottom of the tube is located under the liquid level of liquid to be detected,
Cover cup lid；
2) Test paper of required detection is inserted and be put into test paper inserted sheet in vacuum casting, then by vacuum casting lid Gai Zhen
It is integrally welded after on empty shell；
3) vacuum casting of lid is placed on evacuator and vacuumized, the vacuum in vacuum casting is prior according to demand
Set；
4) vacuum tube that the vacuum tube for exhausting vacuum is slowly inserted into cup lid is accommodated in set, and liquid pumping needle punctures sealing-plug；
5) now, due to suction function, the liquid to be detected in cup can enter vacuum by liquid suction pipe, liquid pumping needle and vacuum tube
In casing cover and vacuum casting；
6) can be after feed liquor deflector water conservancy diversion from both sides when liquid to be detected enters in vacuum casting lid from vacuum tube
Liquid level slowly rises after in into vacuum casting lid, prevents liquid to be detected because suction function is directly made a dash up from centre；
7) when the liquid level of liquid to be detected rises to test paper partition position, the liquid level of liquid to be detected will stop rising, this
When, the imbibition end of Test paper is located just under liquid level, can intuitively see testing result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710302940.XA CN107121543A (en) | 2017-05-03 | 2017-05-03 | Liquid detection cup and its detection method with vacuum drawing liquid structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710302940.XA CN107121543A (en) | 2017-05-03 | 2017-05-03 | Liquid detection cup and its detection method with vacuum drawing liquid structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107121543A true CN107121543A (en) | 2017-09-01 |
Family
ID=59726582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710302940.XA Pending CN107121543A (en) | 2017-05-03 | 2017-05-03 | Liquid detection cup and its detection method with vacuum drawing liquid structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107121543A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490172A (en) * | 2018-12-21 | 2019-03-19 | 遵义师范学院 | A kind of architectural waterproof material detection device |
| CN109752532A (en) * | 2017-11-03 | 2019-05-14 | 中国人民解放军军事医学科学院放射与辐射医学研究所 | A kind of incubation sampling device based on the detection of multichannel immunochromatography |
| CN110596361A (en) * | 2019-09-19 | 2019-12-20 | 杭州博拓生物科技股份有限公司 | Detection device |
| CN112858283A (en) * | 2021-01-08 | 2021-05-28 | 创健医疗(深圳)有限公司 | Sampling cup capable of detecting pH value |
| CN113791210A (en) * | 2021-09-17 | 2021-12-14 | 石家庄洹众生物科技有限公司 | Reagent strip and device for simultaneously detecting matrix metalloproteinase-8 and interleukin-6 and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109752532A (en) * | 2017-11-03 | 2019-05-14 | 中国人民解放军军事医学科学院放射与辐射医学研究所 | A kind of incubation sampling device based on the detection of multichannel immunochromatography |
| CN109752532B (en) * | 2017-11-03 | 2022-04-15 | 中国人民解放军军事医学科学院放射与辐射医学研究所 | Incubation sample loading device based on multi-channel immunochromatography detection |
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| CN112858283A (en) * | 2021-01-08 | 2021-05-28 | 创健医疗(深圳)有限公司 | Sampling cup capable of detecting pH value |
| CN113791210A (en) * | 2021-09-17 | 2021-12-14 | 石家庄洹众生物科技有限公司 | Reagent strip and device for simultaneously detecting matrix metalloproteinase-8 and interleukin-6 and application thereof |
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Application publication date: 20170901 |