CN203598534U - Solid-phase extraction device - Google Patents
Solid-phase extraction device Download PDFInfo
- Publication number
- CN203598534U CN203598534U CN201320754716.1U CN201320754716U CN203598534U CN 203598534 U CN203598534 U CN 203598534U CN 201320754716 U CN201320754716 U CN 201320754716U CN 203598534 U CN203598534 U CN 203598534U
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- extraction device
- phase extraction
- lower casing
- sealing
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Abstract
The utility model discloses a solid-phase extraction device comprising a vacuum chamber, an extraction pipe and a collecting pipe, wherein the vacuum chamber comprises an upper shell and a lower shell in a buckling manner; the extraction pipe is tightly arranged at the top wall of the upper shell in a penetrating manner; the collecting pipe is arranged inside the lower shell and corresponds to the extraction pipe in position; the solid-phase extraction device also comprises a base rack and a lifting platform; the upper shell is fixed on the base rack; the lower shell is arranged on the lifting platform; four L-shaped limiting steps are arranged at the top surface of the lifting platform; four bottom angles of the lower shell are respectively clamped on the corresponding limiting steps. By adopting the solid-phase extraction device disclosed by the utility model, the extraction pipe does not need to move when the collecting pipe is taken out. Thus, the condition that liquid inside the extraction pipe is easily misplaced to drip into other collecting pipes is ensured.
Description
Technical field
The utility model relates to chemical analysis instrument field, is specifically related to a kind of solid-phase extraction device.
Background technology
SPE (Solid Phase Extraction, be called for short SPE) be a Sample Pretreatment Technique that starts to grow up mid-term from the eighties, combine and develop by liquid-solid extraction and liquid chromatography technology, be mainly used in the separation of sample, purify and enrichment, main purpose is to reduce sample substrate and disturbs, and improves detection sensitivity.
SPE technology, based on liquid-solid phase chromatographic theory, adopts the mode of selective absorption, selective elution to carry out enrichment, separation, purification to sample, is a kind of physical extraction process that comprises liquid phase and solid phase; Also it can be regarded approx as to a kind of simple chromatographic process.
SPE is the liquid chromatography separation principle of utilizing selective absorption and selective elution.More conventional method is to make fluid sample solution pass through adsorbent, retain wherein measured matter, select again suitable intensity solvent to wash away impurity, then use the rapid wash-out measured matter of a small amount of solvent, thereby reach quick isolation of purified and concentrated object, also alternative adsorptive hindrance impurity, and allow measured matter flow out; Or adsorb impurity and measured matter simultaneously, re-use suitable solvent selectivity wash-out measured matter.
Granted publication number is that the utility model of CN201454154U discloses a kind of solid-phase extracting instrument, comprise glass jar casing, panel, front and back two rows' extraction passages, collecting pipe, rack for test tube and vacuum exhaust pipe, glass jar casing comprises diapire and sidewall, vacuum exhaust pipe is arranged on sidewall, sidewall comprises left side wall and right side wall, in glass jar casing, diapire is set to right low left high, the bottom of right side wall is provided with discharging tube, above discharging tube, on right side wall and left side wall, be symmetrical arranged and be useful on the placement table that places rack for test tube, vacuum exhaust pipe is arranged on the top of placement table.
Solid-phase extracting instrument of the prior art generally includes open-topped glass casing, for the open-topped top cover of closed glass casing, be plugged in the some extracting tubes in top cover, and be positioned at extracting tube below and with extracting tube collecting pipe one to one, need to take out the liquid in collecting pipe time, conventionally all need first top cover to be removed, now, liquid in extracting tube may not drip off, and continues drippage, and then cause the liquid in collecting pipe to be subject to dirt in the process of mobile top cover.
Utility model content
The utility model provides a kind of solid-phase extraction device, in the time taking out collecting pipe, without mobile extracting tube, thereby guarantees that the difficult dislocation of liquid in extracting tube is dropped in other collecting pipes.
A kind of solid-phase extraction device, comprise that fastening the vacuum tank that forms, sealing by upper casing and lower casing is located in the extracting tube of upper casing roof and is arranged in lower casing and collecting pipe that position is corresponding with extracting tube, also comprise pedestal and lifting platform, described upper casing is fixed on pedestal, and described lower casing is positioned on lifting platform.
Vacuum tank is fastened and is formed by upper casing and lower casing, and the relative operating desk of pedestal is fixed, and after having extracted, upper casing keeps original position motionless, eliminates after vacuum, and the height of lifting platform is reduced, and the height of lower casing reduces, and takes out collecting pipe.
In this process, it is motionless that extracting tube keeps, and liquid residual in extracting tube can arbitrarily not drip, and the liquid in assurance collecting pipe is not by dirt.
As preferably, the end face of described lifting platform is provided with four L shaped limited steps, and four base angles of described lower casing are fastened on respectively corresponding limited step place.Prevent that lower casing, in the process of lifting of lifting table, is offset.
As preferably, described pedestal is with the support chip of two groups of positioned opposite, and the both sides of described upper casing are provided with the hanger being fixedly connected with two groups of support chips respectively.Between hanger and support chip, be bolted to connection.
Lifting platform can be taked various ways of the prior art, and preferably, described lifting platform is scissors type elevating frame.
As preferably, described solid-phase extraction device also comprises that the bottleneck of sample bottle, this sample bottle is provided with sealing-plug, and described sealing-plug, with drain and liquid sucting port, is inserted with pipette in described liquid sucting port, and this pipette is connected with extracting tube away from one end of sample bottle.
In order to prevent that dust from falling into sample bottle by drain, preferably, the sealing of described drain place is plugged with the blow-down pipe of bending.
As preferably, the sealing of described liquid sucting port place is plugged with sleeve pipe, and described pipette is plugged in sleeve pipe, and the top of sleeve pipe is provided with two for clamping the shell fragment of pipette.Shell fragment clamps pipette, prevents that lotion pipeline is by jumping out in reagent bottle.
As preferably, the top band of described two shell fragments is useful on the enlarging inclined-plane of guiding pipette.
In order to get rid of the liquid in lower casing, preferably, the inclined bottom surface setting of described lower casing, and be provided with sewage draining exit in minimum point.
In order to guarantee that vacuum tank has good sealing, preferably, the matching part of described upper casing and lower casing is provided with sealing ring, and the top of described lower casing is along being provided with the cannelure for accommodating described sealing ring.
A kind of solid-phase extraction device of the utility model, in the time taking out collecting pipe, without mobile extracting tube, thereby guarantees that the difficult dislocation of liquid in extracting tube is dropped in other collecting pipes.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model solid-phase extraction device.
In figure: 1, extracting tube; 2, hanger; 3, support chip; 4, upper casing; 5, pedestal; 6, lower casing; 7, collecting pipe; 8, vacuum tube; 9, blow-down pipe; 10, shell fragment; 11, sample bottle; 12, sealing-plug; 13, lifting platform; 14, limited step; 15, handle; 16, platen.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model solid-phase extraction device is described in detail.
As shown in Figure 1, a kind of solid-phase extraction device, comprise that fastening by upper casing 4 and lower casing 6 vacuum tank, the sealing that form is located in the extracting tube 1 of upper casing 4 roofs and is arranged in lower casing 6 and position collecting pipe 7, pedestal 5 and the lifting platform corresponding with extracting tube 1, wherein upper casing 4 is fixed on pedestal 5, and lower casing 6 is positioned on lifting platform.
The end face of lifting platform is provided with four L shaped limited steps 14, and four base angles of lower casing 6 are fastened on respectively corresponding limited step 14 places.
Solid-phase extraction device also comprises that the bottleneck of sample bottle 11, sample bottle 11 is provided with sealing-plug 12, and sealing-plug 12, with drain and liquid sucting port, is inserted with pipette in liquid sucting port, and pipette is connected with extracting tube 1 away from one end of sample bottle 11.The sealing of drain place is plugged with the blow-down pipe 9 of bending.
The sealing of liquid sucting port place is plugged with sleeve pipe, and pipette is plugged in sleeve pipe, and the top of sleeve pipe is provided with two for clamping the shell fragment 10 of pipette.The top band of two shell fragments 10 is useful on the enlarging inclined-plane of guiding pipette, is convenient to the insertion of pipette.
The inclined bottom surface setting of lower casing 6, and be provided with sewage draining exit (not shown) in minimum point, the sidewall of lower casing is provided with the vacuum tube 8 for vacuumizing.
The matching part of upper casing 4 and lower casing 6 is provided with sealing ring, and the top of lower casing 6 is along being provided with the cannelure for accommodating sealing ring.
When the extraction of the utility model solid-phase extraction device, by vacuum in vacuum tube 8 extracting vacuum casees, after having extracted, upper casing keeps original position motionless, eliminates after vacuum, and the height of lifting platform is reduced, and takes out collecting pipe.
Claims (6)
1. a solid-phase extraction device, comprise that fastening the vacuum tank that forms, sealing by upper casing and lower casing is located in the extracting tube of upper casing roof and is arranged in lower casing and collecting pipe that position is corresponding with extracting tube, it is characterized in that, also comprise pedestal and lifting platform, described upper casing is fixed on pedestal, and described lower casing is positioned on lifting platform; The end face of described lifting platform is provided with four L shaped limited steps, and four base angles of described lower casing are fastened on respectively corresponding limited step place; Described pedestal is with the support chip of two groups of positioned opposite, and the both sides of described upper casing are provided with the hanger being fixedly connected with two groups of support chips respectively; Described lifting platform is scissors type elevating frame; Described solid-phase extraction device also comprises sample bottle, and the bottleneck of this sample bottle is provided with sealing-plug, and described sealing-plug, with drain and liquid sucting port, is inserted with pipette in described liquid sucting port, and this pipette is connected with extracting tube away from one end of sample bottle.
2. solid-phase extraction device as claimed in claim 1, is characterized in that, the sealing of described drain place is plugged with the blow-down pipe of bending.
3. solid-phase extraction device as claimed in claim 2, is characterized in that, the sealing of described liquid sucting port place is plugged with sleeve pipe, and described pipette is plugged in sleeve pipe, and the top of sleeve pipe is provided with two for clamping the shell fragment of pipette.
4. solid-phase extraction device as claimed in claim 3, is characterized in that, the top band of described two shell fragments is useful on the enlarging inclined-plane of guiding pipette.
5. solid-phase extraction device as claimed in claim 4, is characterized in that, the inclined bottom surface setting of described lower casing, and be provided with sewage draining exit in minimum point.
6. solid-phase extraction device as claimed in claim 5, is characterized in that, the matching part of described upper casing and lower casing is provided with sealing ring, and the top of described lower casing is along being provided with the cannelure for accommodating described sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754716.1U CN203598534U (en) | 2013-11-22 | 2013-11-22 | Solid-phase extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754716.1U CN203598534U (en) | 2013-11-22 | 2013-11-22 | Solid-phase extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203598534U true CN203598534U (en) | 2014-05-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320754716.1U Expired - Fee Related CN203598534U (en) | 2013-11-22 | 2013-11-22 | Solid-phase extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203598534U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108251289A (en) * | 2018-03-29 | 2018-07-06 | 程晓东 | Culture dish liquid-transfering device |
| CN112378726A (en) * | 2021-01-18 | 2021-02-19 | 南京仪汇仪器设备有限公司 | A solid-phase extraction device for food detects |
| CN115155689A (en) * | 2022-07-05 | 2022-10-11 | 大连好米咨科技有限公司 | Solid phase extraction module |
-
2013
- 2013-11-22 CN CN201320754716.1U patent/CN203598534U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108251289A (en) * | 2018-03-29 | 2018-07-06 | 程晓东 | Culture dish liquid-transfering device |
| CN108251289B (en) * | 2018-03-29 | 2021-06-11 | 四川大学华西医院 | Culture dish liquid-transfering device |
| CN112378726A (en) * | 2021-01-18 | 2021-02-19 | 南京仪汇仪器设备有限公司 | A solid-phase extraction device for food detects |
| CN112378726B (en) * | 2021-01-18 | 2021-04-23 | 南京仪汇仪器设备有限公司 | A solid-phase extraction device for food detects |
| CN115155689A (en) * | 2022-07-05 | 2022-10-11 | 大连好米咨科技有限公司 | Solid phase extraction module |
| CN115155689B (en) * | 2022-07-05 | 2024-03-26 | 大连好米咨科技有限公司 | Solid phase extraction module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20141122 |
|
| EXPY | Termination of patent right or utility model |