CN208833545U - A kind of micro solution acquisition device - Google Patents
A kind of micro solution acquisition device Download PDFInfo
- Publication number
- CN208833545U CN208833545U CN201821597573.7U CN201821597573U CN208833545U CN 208833545 U CN208833545 U CN 208833545U CN 201821597573 U CN201821597573 U CN 201821597573U CN 208833545 U CN208833545 U CN 208833545U
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- CN
- China
- Prior art keywords
- test tube
- drain pipe
- fixed amount
- nozzle
- measuring fixed
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Abstract
The utility model discloses a kind of micro solution acquisition devices, including volumetric soiutions acquisition suction nozzle and flexible plastic test tube, it includes measuring fixed amount capillary that volumetric soiutions, which acquire suction nozzle, drain pipe and test tube plug, drain pipe is in truncated cone, the miner diameter end caliber of drain pipe is greater than measuring fixed amount capillary caliber, the miner diameter end nozzle and the upper end tube nozzle of measuring fixed amount capillary of drain pipe are docked and connected, test tube plug is set in the bigger diameter end of drain pipe, the bigger diameter end nozzle of drain pipe protrudes from test tube plug upper surface and forms drain outlet, test tube plug lower surface periphery is provided with the annular stopper being halved together with flexible plastic test tube nozzle.Its is easy to operate, time saving and energy saving, is suitable for micro solution and quantifies pipetting.
Description
Technical field
The utility model relates to chemical devices technical field, in particular to a kind of micro solution acquisition device.
Background technique
Pipette is that one kind measures formula instrument, only is used to measure the volume of its released solution.It is directed to micro solution at present
It is acquired, the micropipettor complex structural designs of pipetting, use cost is high, and operation difficulty is big, operates unskilled
Person, it is time-consuming and laborious, easily cause the deviation of liquid relief amount.
Utility model content
In view of the deficiencies of the prior art, the technical problem to be solved is that provide a kind of micro solution acquisition for the utility model
Device, it is easy to operate, it is time saving and energy saving, it is suitable for micro solution and quantifies pipetting.
The utility model is to be addressed above-mentioned technical problem by the following technical programs.
A kind of micro solution acquisition device, including volumetric soiutions acquisition suction nozzle and flexible plastic test tube, volumetric soiutions are adopted
Collection suction nozzle includes measuring fixed amount capillary, drain pipe and test tube plug, and drain pipe is in truncated cone, and the miner diameter end caliber of drain pipe is big
In measuring fixed amount capillary caliber, the miner diameter end nozzle and the upper end tube nozzle of measuring fixed amount capillary of drain pipe are docked and connected, examination
Pipe close is set in the bigger diameter end of drain pipe, and the bigger diameter end nozzle of drain pipe protrudes from test tube plug upper surface and forms drain outlet,
Test tube plug lower surface periphery is provided with the annular stopper being halved together with flexible plastic test tube nozzle.
Preferably, being provided with pipe cap in drain outlet.
Preferably, annular stopper is by being arranged at intervals on the annular protrusion and outer annular protrusion structure of test tube plug lower surface
At annular protrusion fits with plastic test tube inner tubal wall, and outer annular protrusion fits with plastic test tube outer tube wall.
Preferably, the internal diameter of measuring fixed amount capillary is 1mm to 2mm.
Preferably, measuring fixed amount capillary and drain pipe pipe thickness are 0.5mm to 0.8mm.
Preferably, measuring fixed amount capillary is in straight barrel type.
The utility model has the beneficial effects that
1. passing through the micro solution of measuring fixed amount capillary suction measuring fixed amount and quantifying storage, pass through the pipe being pre-designed
Diameter and length formulate the storage capacity of measuring fixed amount capillary, the quantitative storage of micro solution are realized, due to the path of drain pipe
End pipe mouth and the upper end tube nozzle of measuring fixed amount capillary are docked and connected, so that the solution alone that capillary phenomenon is drawn stops at capillary
At the upper end tube nozzle of pipe, to realize accurate measuring fixed amount.
2. volumetric soiutions acquire under suction nozzle and flexible plastic test tube assembled state, suction nozzle is acquired by volumetric soiutions and is drawn
Solution in flexible plastic test tube, and make solution export discharge through drain by being inverted the flexible plastic test tube of extruding, thus
Realize that metering accurately quantifies pipetting function, easy to operate, work efficiency is high, is less prone to liquid relief deviation.
Detailed description of the invention
The following drawings is intended to not constitute the limitation to scope of protection of the utility model convenient for description preferred embodiment.
Fig. 1 is the assembling structure schematic diagram of the utility model embodiment；
Fig. 2 is the separate structure schematic cross-sectional view of Fig. 1；
Fig. 3 is the structural schematic diagram under the draw solution state of the utility model embodiment；
Fig. 4 is the structural schematic diagram under the discharge solution state of the utility model embodiment.
In figure: 1- volumetric soiutions acquire suction nozzle, 2- pliability plastic test tube, 3- measuring fixed amount capillary, 4- drain pipe, 5-
Test tube plug, 6- annular stopper, 7- drain outlet, 8- pipe cap, 9- annular protrusion, 10- outer annular protrusion.
Specific embodiment
In order to facilitate the utility model is understood, with reference to the accompanying drawing in the preferred embodiment pair of the utility model that provides
The utility model is described in detail.
As depicted in figs. 1 and 2, a kind of micro solution acquisition device of the utility model embodiment, including volumetric soiutions are adopted
Collect suction nozzle 1 and flexible plastic test tube 2.It is plastic material that volumetric soiutions, which acquire suction nozzle 1, for example uses PP, PS or PE material,
Fluorinated plastic can be used.It includes measuring fixed amount capillary 3, drain pipe 4 and test tube plug 5, quantitative scoring that volumetric soiutions, which acquire suction nozzle 1,
Measuring capillary 3 is in straight barrel type, and the internal diameter of measuring fixed amount capillary 3 is 1mm to 2mm, length according to actually required setting, internal diameter and
Length presets the quantitative volume for realizing measuring fixed amount capillary 3.4 pipe thickness of measuring fixed amount capillary 3 and drain pipe
Preferably 0.5mm to 0.8mm.Drain pipe 4 is in truncated cone, and the miner diameter end caliber of drain pipe 4 is managed greater than measuring fixed amount capillary 3
Diameter, the miner diameter end nozzle and the upper end tube nozzle of measuring fixed amount capillary 3 of drain pipe 4 are docked and connected, and test tube plug 5 is set in drain pipe
4 bigger diameter end, the bigger diameter end nozzle of drain pipe 4 protrude from 5 upper surface of test tube plug and form drain outlet 7, set in drain outlet 7
It is equipped with pipe cap 8,5 lower surface periphery of test tube plug is provided with the annular stopper 6 being halved together with flexible 2 nozzle of plastic test tube, one
In a embodiment, annular stopper 6 is by being arranged at intervals on the annular protrusion 9 and 10 structure of outer annular protrusion of 5 lower surface of test tube plug
At annular protrusion 9 fits with 2 inner tubal wall of plastic test tube, and outer annular protrusion 10 fits with 2 outer tube wall of plastic test tube.
As shown in Figure 3 and Figure 4, in quantitative collection micro solution, solution is injected in flexible plastic test tube 2, will be determined
Amount solution acquisition suction nozzle 1 is assembled together with flexible plastic test tube 2, at this point, making measuring fixed amount capillary 3 through capillary action
Absorb solution in test tube makes since the miner diameter end nozzle and the upper end tube nozzle of measuring fixed amount capillary 3 of drain pipe 4 are docked and connected
It obtains the solution alone that capillary phenomenon is drawn to stop at the upper end tube nozzle of measuring fixed amount capillary 3, to realize accurate quantitative
Metering.In liquid relief discharge, it is only necessary to be inverted volumetric soiutions acquisition suction nozzle 1 and 2 entirety of flexible plastic test tube, at this point, gently
2 side wall of light press pliability plastic test tube makes the volumetric soiutions being stored in measuring fixed amount capillary 3 through 7 discharge of drain outlet.
Embodiment described above is only the preferred embodiment of the utility model, is not used to limit the guarantor of the utility model
Range is protected, the technical concept based on the utility model can be light using the well-known technique or conventional technical means of the art
That easily realizes is capable of any variation and improved embodiment of equivalence replacement, should all be covered by the protection scope of the utility model
Within.
Claims (6)
1. a kind of micro solution acquisition device, it is characterized in that: including volumetric soiutions acquisition suction nozzle (1) and flexible plastic test tube
(2), volumetric soiutions acquisition suction nozzle (1) includes measuring fixed amount capillary (3), drain pipe (4) and test tube plug (5), and drain pipe (4) is in
The miner diameter end caliber of truncated cone, drain pipe (4) is greater than measuring fixed amount capillary (3) caliber, the miner diameter end nozzle of drain pipe (4)
It is docked and connected with the upper end tube nozzle of measuring fixed amount capillary (3), test tube plug (5) is set in the bigger diameter end of drain pipe (4), drain pipe
(4) bigger diameter end nozzle protrudes from test tube plug (5) upper surface and forms drain outlet (7), the setting of test tube plug (5) lower surface periphery
There is the annular stopper (6) being halved together with flexible plastic test tube (2) nozzle.
2. micro solution acquisition device according to claim 1, it is characterized in that: being provided with pipe cap in drain outlet (7)
(8)。
3. micro solution acquisition device according to claim 1, it is characterized in that: annular stopper (6) is by being arranged at intervals on examination
The annular of pipe close (5) lower surface raised (9) and outer annular protrusion (10) are constituted, in annular protrusion (9) and plastic test tube (2)
Tube wall fits, and outer annular protrusion (10) fits with plastic test tube (2) outer tube wall.
4. micro solution acquisition device according to claim 1, it is characterized in that: the internal diameter of measuring fixed amount capillary (3) is
1mm to 2mm.
5. micro solution acquisition device according to claim 1, it is characterized in that: measuring fixed amount capillary (3) and drain pipe
(4) pipe thickness is 0.5mm to 0.8mm.
6. micro solution acquisition device according to claim 1, it is characterized in that: measuring fixed amount capillary (3) is in straight barrel type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821597573.7U CN208833545U (en) | 2018-09-29 | 2018-09-29 | A kind of micro solution acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821597573.7U CN208833545U (en) | 2018-09-29 | 2018-09-29 | A kind of micro solution acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208833545U true CN208833545U (en) | 2019-05-07 |
Family
ID=66317118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821597573.7U Expired - Fee Related CN208833545U (en) | 2018-09-29 | 2018-09-29 | A kind of micro solution acquisition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208833545U (en) |
-
2018
- 2018-09-29 CN CN201821597573.7U patent/CN208833545U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190507 Termination date: 20210929 |
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| CF01 | Termination of patent right due to non-payment of annual fee |