CN220625647U - Pipettor adhesion calibrating installation - Google Patents
Pipettor adhesion calibrating installation Download PDFInfo
- Publication number
- CN220625647U CN220625647U CN202321346159.XU CN202321346159U CN220625647U CN 220625647 U CN220625647 U CN 220625647U CN 202321346159 U CN202321346159 U CN 202321346159U CN 220625647 U CN220625647 U CN 220625647U
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- China
- Prior art keywords
- reagent bottle
- glass tube
- glass pipe
- sealing liquid
- bottle
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- 238000009434 installation Methods 0.000 title claims abstract description 4
- 239000011521 glass Substances 0.000 claims abstract description 65
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 241001411320 Eriogonum inflatum Species 0.000 claims abstract description 4
- 230000006978 adaptation Effects 0.000 claims abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000003556 assay Methods 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000012742 biochemical analysis Methods 0.000 description 1
- 238000010876 biochemical test Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Abstract
The utility model provides a pipettor adaptation calibrating installation, including the reagent bottle, the upper end of reagent bottle is equipped with the bottleneck, and bottleneck department can dismantle and be equipped with the sealing plug, be equipped with a certain amount of sealing liquid in the reagent bottle, peg graft on the bottle stopper and have first glass pipe and second glass pipe, first glass pipe and second glass pipe all downwardly extending are in the reagent bottle, the bottom of first glass pipe extends to in the sealing liquid, the bottom of second glass pipe is located the liquid level top of sealing liquid, the upper end of first glass pipe and second glass pipe all upwards extends the reagent bottle, and first glass pipe can dismantle and be connected with first pipe, the right side of reagent bottle is equipped with air exhaust device, be equipped with the second pipe between air exhaust device and the second glass pipe, air exhaust device passes through second pipe and second glass pipe intercommunication, be equipped with the manometer that plays the display pressure on the air exhaust device. The utility model has simple structure and convenient use.
Description
Technical Field
The utility model belongs to the technical field of pipettor seal detection, and particularly relates to a pipettor sealing performance verification device.
Background
The liquid-transferring device is also called a sample-adding gun, is a metering tool for transferring liquid from the original container to another container in a certain measuring range, is a piston type suction tube, works by utilizing the air discharge principle, determines the capacity of the liquid-transferring device by the moving distance of a piston in a piston sleeve, and is widely used for sampling or adding liquid in biochemical analysis and test in the production and scientific research departments of environmental protection, medicine, food sanitation, and the like. When the existing pipettor adhesion is detected, a syringe pump and an air duct are adopted, the syringe pump and the pipettor are connected through the air duct, a worker manually pulls a syringe pump piston to enable negative pressure to be generated in the syringe pump, then whether the pipettor leaks air is observed, the pressure of the detection method is unstable, whether the pipettor leaks air is not easily observed, and therefore the technical problems of inconvenience in observation and unstable pressure exist in the prior art.
Disclosure of Invention
The utility model provides a device for detecting the sealing property of a liquid-transfering device, which aims to solve the technical problems that the observation is inconvenient and the pressure is unstable during the sealing detection of the existing liquid-transfering device, and the device comprises a reagent bottle which is arranged vertically, is made of hard and difficult-to-deform materials and is transparent, the reagent bottle is made of transparent glass, the observation is convenient, the upper end of the reagent bottle is provided with a bottle mouth, the bottle mouth is detachably provided with a sealing plug, a certain amount of sealing liquid is arranged in the reagent bottle, and the sealing liquid is distilled water or deionized water which meets the requirements of GB/T 6682-2008 analysis laboratory water specification and test method. The bottle stopper is inserted with a first glass tube and a second glass tube, the first glass tube and the second glass tube extend downwards into the reagent bottle, the bottom end of the first glass tube extends into sealing liquid, the bottom end of the second glass tube is located above the liquid level of the sealing liquid, the upper ends of the first glass tube and the second glass tube extend upwards out of the reagent bottle, the first glass tube is detachably connected with a first guide tube, a first switch valve is arranged on the first guide tube, the first switch valve can control the on-off of the first guide tube, an air exhaust device is arranged on the right side of the reagent bottle, a second guide tube is arranged between the air exhaust device and the second glass tube, a second switch valve is arranged on the second guide tube, the second switch valve can control the on-off of the second guide tube, the air exhaust device is communicated with the second glass tube through the second guide tube, a pressure gauge for displaying pressure is arranged on the air exhaust device, and air in the reagent bottle can be exhausted through the second guide tube, so that negative pressure is generated in the reagent bottle.
Preferably, the end of the first conduit is provided with a plug connector for plugging the pipette.
Preferably, the reagent bottle is provided with a vertically arranged graduated scale, so that the quantity of the sealing liquid and the depth of the first glass tube entering the sealing liquid can be observed conveniently.
Preferably, the lower end of the first glass tube extends to 5-8cm below the liquid surface of the sealing liquid, so that bubbles can be observed conveniently.
The adoption of the scheme has the following advantages:
the reagent bottle is made of transparent glass, so that a tester can observe the condition in the reagent bottle conveniently, and when in test, the tester can observe whether bubbles exist in the reagent bottle conveniently; the air extractor is communicated with the reagent bottle through a second conduit, and is provided with a pressure gauge, so that air in the reagent bottle can be extracted more quickly, negative pressure is generated in the reagent bottle, and the air pressure value in the reagent bottle is set by observing the pressure gauge; the plug connector is arranged at the end part of the first catheter, so that the connection of the pipettor is facilitated, and the testing efficiency is improved; the setting of scale is convenient for observe the volume of sealing liquid and the degree of depth that first glass pipe entered into sealing liquid.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Reference numerals: 1. a reagent bottle; 2. a first glass tube; 3. a second glass tube; 4. a pipette; 5. an air extracting device; 11. a bottle mouth; 12. a sealing plug; 13. sealing liquid; 14. a graduated scale; 21. a first conduit; 22. a first switching valve; 23. plugging and unplugging the connector; 31. a second conduit; 32. a second switching valve; 51. a pressure gauge.
Detailed Description
As shown in FIG. 1, a pipettor adhesion assay device comprises a reagent bottle 1 which is vertically arranged, wherein the reagent bottle 1 is made of hard and difficult-to-deform materials and is transparent, the reagent bottle 1 is made of transparent glass, the observation is convenient, the upper end of the reagent bottle 1 is provided with a bottle opening 11, a sealing plug 12 is detachably arranged at the bottle opening 11, a certain amount of sealing liquid 13 is arranged in the reagent bottle 1, and distilled water or deionized water is used as the sealing liquid 13. The bottle stopper 12 is inserted with a first glass tube 2 and a second glass tube 3, the first glass tube 2 and the second glass tube 3 extend downwards into the reagent bottle 1, the bottom end of the first glass tube 2 extends into the sealing liquid 13, the bottom end of the second glass tube 3 is positioned above the liquid level of the sealing liquid 13, the upper ends of the first glass tube 2 and the second glass tube 3 extend upwards out of the reagent bottle 1, the first glass tube 2 is detachably connected with a first guide tube 21, the first guide tube 21 is provided with a first switch valve 22, the first switch valve 22 can control the on-off of the first guide tube 21, the right side of the reagent bottle 1 is provided with an air extractor 5, a second guide tube 31 is arranged between the air extractor 5 and the second glass tube 3, the second guide tube 31 is provided with a second switch valve 32, the second switch valve 32 can control the on-off of the second guide tube 31, the air extractor 5 is communicated with the second glass tube 3 through the second guide tube 31, the upper end of the air extractor 5 is provided with a pressure gauge 51 for displaying pressure, and the air extractor 5 can extract air in the reagent bottle 1 through the second guide tube 31, so that negative pressure is generated in the reagent bottle 1.
Preferably, the end of the first conduit 21 is provided with a plug connector 23 for plugging the pipette 4.
Preferably, the reagent bottle 1 is provided with a vertically arranged graduated scale 14, so as to observe the amount of the sealing liquid 13 and the depth of the first glass tube 2 entering the sealing liquid 13.
Preferably, the lower end of the first glass tube 2 extends to 5-8cm below the liquid surface of the sealing liquid 13, facilitating the observation of bubbles.
The using process comprises the following steps:
when the utility model is used, firstly, proper distilled water is injected into the reagent bottle 1, then a sealing plug 12 which is inserted with a first glass tube 2 and a second glass tube 3 is inserted into a bottle mouth 11, then the length of the first glass tube 2 under the water surface is adjusted to enable the bottom end of the first glass tube 2 to be positioned 5-8cm below the water surface, the lower end of the second glass tube 3 is adjusted to be positioned above the water surface, then one end of a first guide tube 21 is connected to the upper end of the first glass tube 2, the other end of the first guide tube 21 is inserted into a liquid transfer device 4 to be detected, one end of the second guide tube 3 is connected to the top end of the second glass tube 3, and the other end of the second guide tube 31 is connected with an air extraction device 5; then, the first switch valve 22 is closed, the second switch valve 32 is opened, the air extractor 5 is started, the air extractor 5 extracts air in the reagent bottle 1, negative pressure is generated in the reagent bottle 1, the numerical value of the pressure gauge 51 is observed, after reaching the preset value of-0.04 MPa, the air extractor is stopped, the numerical value of the pressure gauge 51 is observed for a period of time, if the numerical value of the pressure gauge 51 is stabilized at-0.04 MPa, the sealing between the bottle mouth 11 and the sealing plug 12 is indicated, the first switch valve 22 is opened, whether continuous bubbles are generated at the end part of the glass tube 2 is observed, if no continuous bubbles are generated, the tightness of the liquid dispenser 4 is indicated to be good, if the liquid dispenser 4 is a qualified product, and if the end part of the first glass tube 2 is provided with continuous bubbles, the tightness of the liquid dispenser 4 is indicated to be unqualified, and the requirements are not met.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (5)
1. The utility model provides a pipettor adaptation calibrating installation, includes the reagent bottle of vertical setting, and the reagent bottle is hard non-deformable's material and transparent, and the upper end of reagent bottle is equipped with the bottleneck, and bottleneck department can dismantle and be equipped with the sealing plug, is equipped with a certain amount of sealing liquid, its characterized in that in the reagent bottle: the bottle stopper is inserted with a first glass tube and a second glass tube, the first glass tube and the second glass tube extend downwards into the reagent bottle, the bottom end of the first glass tube extends into the sealing liquid, the bottom end of the second glass tube is positioned above the liquid level of the sealing liquid, the upper ends of the first glass tube and the second glass tube extend upwards out of the reagent bottle, the first glass tube is detachably connected with a first guide tube, the right side of the reagent bottle is provided with an air extractor, a second guide tube is arranged between the air extractor and the second glass tube, the air extractor is communicated with the second glass tube through the second guide tube, and a pressure gauge for displaying pressure is arranged on the air extractor; the first conduit is provided with a first switch valve; the reagent bottle is a transparent glass bottle, and a scale is arranged on the reagent bottle.
2. The pipette seal assay arrangement of claim 1 wherein: the end of the first conduit is provided with a plug connector for plugging the pipettor.
3. The pipette seal assay arrangement of claim 2, wherein: the second conduit is provided with a second switch valve.
4. A pipette seal assay arrangement as defined in claim 3 wherein: sealing liquid distilled water or deionized water.
5. A pipette seal assay arrangement as claimed in any one of claims 1 to 4 wherein: the lower end of the first glass tube extends to 5-8cm below the liquid level of the sealing liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321346159.XU CN220625647U (en) | 2023-05-30 | 2023-05-30 | Pipettor adhesion calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321346159.XU CN220625647U (en) | 2023-05-30 | 2023-05-30 | Pipettor adhesion calibrating installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220625647U true CN220625647U (en) | 2024-03-19 |
Family
ID=90227355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321346159.XU Active CN220625647U (en) | 2023-05-30 | 2023-05-30 | Pipettor adhesion calibrating installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220625647U (en) |
-
2023
- 2023-05-30 CN CN202321346159.XU patent/CN220625647U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |