CN204008679U - The automatic sampler that comprises test tube integral sealing means - Google Patents
The automatic sampler that comprises test tube integral sealing means Download PDFInfo
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- CN204008679U CN204008679U CN201420429630.6U CN201420429630U CN204008679U CN 204008679 U CN204008679 U CN 204008679U CN 201420429630 U CN201420429630 U CN 201420429630U CN 204008679 U CN204008679 U CN 204008679U
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- automatic sampler
- sealing means
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Abstract
The utility model relates to a kind of automatic sampler that comprises test tube integral sealing means, comprise chassis, X/Y arm and Z arm, X/Y jib is located on chassis, Z jib is located on X/Y arm, Z arm can be driven and move along directions X and Y-direction by X/Y arm, on Z arm, aspirating needle is installed, aspirating needle can move along Z direction on Z arm; Aspirating needle connects suction pumps by liquid line, and suction pumps is set up on chassis; Described chassis is provided with test tube rack bearing, on described test tube rack bearing, places the first test tube rack, holding test tubes in described the first test tube rack, and described test tube top is provided with test tube gland bonnet.Anticorrosion of the present utility model, can puncture seal pad, solved liquid and waited as long for the problem of volatilizing in process.This apparatus structure is simple, cost of manufacture is low, reliability is high.Make the liquid handling work of automatic sampler both economical, reliable again.
Description
Technical field
The utility model device relates to a kind of experiment, automated analysis instrument and liquid automatic processing equipment of biochemical field, particularly a kind of automatic sampler that comprises test tube integral sealing means.
Background technology
The primary structure of automatic sampler comprises: automatic sampler chassis, X/Y arm and Z arm.Wherein, Z arm is provided with aspirating needle, and aspirating needle can move in X, Y, tri-directions of Z.Suction pumps provides the power of liquid flow, and common suction pumps mainly comprises: syringe-type syringe pump, ceramic pump, peristaltic pump or gear-type pump.By cooperatively interacting of suction pumps, aspirating needle and automatic sampler, can realize the continuous processing operation to liquid, such as: imbibition, liquid feeding, to move liquid, dilution etc. fluid operated.A hundreds of test tube carries out in order successively, batch gets off and to need several hours consuming time, comes liquid below in the situation that there is no seal approach, be very easy to occur evaporating, thereby volume reduces, and the precision of liquid operation is got in impact.And often when using test tube, can not seal test tube, this is a very large hidden danger.
Traditional test tube rack sealing means has two kinds: plastic test tube adopts duroplasts lid, and glass test tube adopts sealed membrane.Two kinds of above sealing means respectively have relative merits: the advantage of first kind of way is, standardized threaded cap, and technical difficulty is minimum.Shortcoming is that aspirating needle cannot puncture to duroplasts lid, causes cannot using on automatic sampler under test tube sealing state, in reality, will not adopt.The advantage of the second way is.Aspirating needle is easy to sealed membrane to realize puncture.Shortcoming is that the quantity of automatic sampler batch processing test tube can reach 200-300, and so many test tube need to manually seal in turn, and workload is very large, also inadvisable in actual use.
In view of this, for solving above-mentioned familiar lacunas, the research and development of the inventor based on association area, and through constantly test and improvement, and then have generation of the present utility model.
Utility model content
For solving the above-mentioned problems in the prior art, the utility model provides a kind of automatic sampler that comprises test tube integral sealing means.By following technical scheme, realized:
A kind of automatic sampler that comprises test tube integral sealing means, comprise chassis, X/Y arm and Z arm, X/Y jib is located on chassis, Z jib is located on X/Y arm, Z arm can be driven and move along directions X and Y-direction by X/Y arm, on Z arm, aspirating needle is installed, described aspirating needle can move along Z direction on Z arm; Described aspirating needle connects suction pumps by liquid line, and described suction pumps is set up on chassis; Described chassis is provided with test tube rack bearing, on described test tube rack bearing, places the first test tube rack, holding test tubes in described the first test tube rack, and described test tube top is provided with test tube gland bonnet.
The described automatic sampler that comprises test tube integral sealing means, described test tube gland bonnet is comprised of sealing gasket and sealing gasket pressing plate, and described sealing gasket is positioned over test tube top, and described sealing gasket pressing plate is placed in sealing gasket top.
The described automatic sampler that comprises test tube integral sealing means, is fixed with guide pole on described test tube rack bearing, and described sealing gasket pressing plate, through after this guide pole, is positioned over directly over sealing gasket.
The described automatic sampler that comprises test tube integral sealing means, described sealing gasket pressing plate, through after guide pole, is screwed on guide pole and is fixed by nut, makes sealing gasket and test tube mouth press seal.
The described automatic sampler that comprises test tube integral sealing means, described sealing gasket is made of plastics, the one side spraying teflon that sealing pad contacts with test tube mouth.
The described automatic sampler that comprises test tube integral sealing means, described sealing gasket is whole silica gel thin film, sealing pad is cut cross recess at the position of aspirating needle puncture.
The described automatic sampler that comprises test tube integral sealing means, described liquid line is teflon material pipe.
The described automatic sampler that comprises test tube integral sealing means, described aspirating needle is made by stainless steel.
The described automatic sampler that comprises test tube integral sealing means, is also placed with the second test tube rack on described chassis.
Compared with prior art, adopt the advantage the utlity model has of technique scheme to be:
The utility model compact conformation, cost performance are high, applicable all kinds liquid.Aspirating needle penetrates test tube, and then suction pumps is sequentially drawn the liquid in test tube successively, has solved and liquid volume inaccurate problem that evaporate cause oversize due to whole process time; Test tube sealing gasket adopts etch-proof polytetrafluorethylecoatings coatings material, and dismountable design is convenient to clean test tube sealing gasket, be finished rear capable of washing and reuse, thereby solve the different in vitro cross-contamination issues of liquid.The utility model is simple and practical, and cost performance is high, and the liquid tube of applicable various height, guarantees that the liquid volume in test tube below can not change because of volatilization when automatic sampler is processed successively to several hundred liquid tubes.
Accompanying drawing explanation
Fig. 1 is schematic perspective view of the present utility model;
Fig. 2 is test tube packoff schematic diagram;
Fig. 3 is working state schematic representation of the present utility model;
Fig. 4 is another working state schematic representation of the present utility model.
Description of reference numerals: 1-chassis; 2-the second test tube rack; 3-the first test tube rack; 4-test tube gland bonnet; 5-aspirating needle; 6-X/Y arm; 7-Z arm; 8 liquid lines; 9-suction pumps; 10-test tube rack bearing; 11-test tube; 12-guide pole; 13-sealing gasket; 14-sealing gasket pressing plate.
Embodiment
Below mainly in conjunction with the drawings and the specific embodiments the automatic sampler that comprises test tube integral sealing means is described in further detail.
Shown in Fig. 1 and Fig. 2, the automatic sampler that comprises test tube integral sealing means of one embodiment, comprise chassis 1, X/Y arm 6 and Z arm 7, X/Y arm 6 is set up on chassis 1, Z arm 7 is set up on X/Y arm 6, Z arm 7 can be driven and move along directions X and Y-direction by X/Y arm 6, aspirating needle 5 is installed on Z arm 7, described aspirating needle 5 can move along Z direction on Z arm 7, described aspirating needle 5 is the material of acid and alkali-resistance, organic solvent-resistant, what adopt in the present embodiment is stainless steel, and aspirating needle 5 can move in X, Y, tri-directions of Z, aspirating needle 5 connects suction pumps 9 by liquid line 8, and described liquid line 8 is teflon material pipes, and this material has very strong tolerance to corrosive soda acid and organic solvent, and anticorrosion ability is good, residual little, suction pumps 9 is set up on chassis 1, and described suction pumps 9 is adopted as the liquor pumps such as syringe pump, ram pump, volume pump, peristaltic pump, and suction pumps 9 requires that corrosive soda acid and organic solvent are had to very strong tolerance, on described chassis, 1 is provided with test tube rack bearing 10, on described test tube rack bearing 10, place the first test tube rack 3, the interior holding test tubes 11 of described the first test tube rack 3, described test tube 11 adopts the material of anticorrosive property, in the present embodiment, what adopt is Pyrex materials, described test tube 11 tops are provided with test tube gland bonnet 4, described test tube gland bonnet 4 is comprised of sealing gasket 13 and sealing gasket pressing plate 14, described sealing gasket 13 is positioned over test tube 11 tops, described sealing gasket pressing plate 14 is placed in sealing gasket 13 tops, on described test tube rack bearing 10, be fixed with guide pole 12, guide pole 12 tops are screw thread, described sealing gasket pressing plate 14 is through after this guide pole 12, be positioned over directly over sealing gasket 13, described sealing gasket pressing plate 14 is through after guide pole 12, by nut, be screwed on guide pole 12 fixing, make sealing gasket 13 and 11 mouthfuls of press seals of test tube, described sealing gasket 13 is made of plastics, the one side spraying teflon that sealing pad 13 contacts with 11 mouthfuls, test tube, described sealing gasket 13 is whole silica gel thin film, sealing pad 13 is cut cross recess at the position of aspirating needle puncture, be convenient to the liquid that aspirating needle 5 is drawn in test tube 11 through sealing gasket 13, on described chassis 1, be also placed with the second test tube rack 3, the first test tube racks 3 and the second test tube rack 2, for holding glass or the uncovered test tube 11 of plastic material of different size, the number of test tube 11 be 24-300 not etc.
Aspirating needle 5 is by the linear stepping motor on automatic sampler Z arm 7, can move up and down, and through sealing gasket 13, meanwhile, because there is the barrier effect of sealing gasket pressing plate 14, when aspirating needle 5 moves upward while leaving sealing gasket 13, sealing gasket 13 can not taken up, after suction pumps sucks the liquid in current test tube 11, aspirating needle 5 can move to the next position of test tube 11, so successively the liquid of all positions in test tube 11 is sucked.In the whole process finishing in wait, imbibition, imbibition, test tube 11 always 13, sealed pad seals, and the liquid in test tube 11 does not exist the possibility of volatilization yet.
Next 1 to Fig. 4 elaborate three job steps of the present utility model by reference to the accompanying drawings:
The first step: test tube gland bonnet 4 is installed.The first test tube rack 3 and the second test tube rack 2 are positioned over to position fixing on chassis 1; Good standby liquid will be added in test tube 11; Then sealing gasket 13 is passed to guide pole 12, sealing gasket 13 and test tube 11 ports are close to; Next sealing gasket pressing plate 14 is passed to guide pole 12, press seal pad 13, finally twists M4 nut at guide pole 12 top hands, guarantees that test tube 11 ports and sealing gasket 13 fit tightly, and then this process finishes.
Second step: the process of the liquid that exhausts from test tube 11 successively.According to the order setting, aspirating needle 5 is through sealing gasket 13, and suction pumps 9 is started working, and in whole process, test tube 11 keeps sealing; After liquid in test tube 11 is blotted only, aspirating needle 5 is under the driving of Z arm 7, from test tube 11, extract, and in the driving of X/Y arm 6, be moved to the next position of test tube 11, repeat above-mentioned imbibition process, until all liquid is all blotted only in the test tube 11 on the first test tube rack 3 and the second test tube rack 2, this process finishes.
The 3rd step: the dismounting of test tube gland bonnet 4 and cleaning process.Next, the M4 nut of the guide pole end of manually dismantling, removes sealing gasket pressing plate 14 and sealing gasket 13 vertically upward successively; Then the specific liquid of sealing gasket 13 use is cleaned, dried, in order to sealing next time, use, so far whole process finishes.
Anticorrosion of the present utility model, can puncture seal pad, solved liquid and waited as long for the problem of volatilizing in process.This apparatus structure is simple, cost of manufacture is low, reliability is high.Make the liquid handling work of automatic sampler both economical, reliable again.
More than illustrate the utility model just illustrative; and nonrestrictive, those of ordinary skills understand, in the situation that do not depart from the spirit and scope that claim limits; can make many modifications, variation or equivalence, but within all falling into protection domain of the present utility model.
Claims (9)
1. an automatic sampler that comprises test tube integral sealing means, comprise chassis, X/Y arm and Z arm, X/Y jib is located on chassis, Z jib is located on X/Y arm, Z arm can be driven and move along directions X and Y-direction by X/Y arm, on Z arm, aspirating needle is installed, described aspirating needle can move along Z direction on Z arm; Described aspirating needle connects suction pumps by liquid line, and described suction pumps is set up on chassis; It is characterized in that: described chassis is provided with test tube rack bearing, on described test tube rack bearing, place the first test tube rack, holding test tubes in described the first test tube rack, described test tube top is provided with test tube gland bonnet.
2. the automatic sampler that comprises test tube integral sealing means according to claim 1, it is characterized in that: described test tube gland bonnet is comprised of sealing gasket and sealing gasket pressing plate, described sealing gasket is positioned over test tube top, and described sealing gasket pressing plate is placed in sealing gasket top.
3. the automatic sampler that comprises test tube integral sealing means according to claim 2, is characterized in that: on described test tube rack bearing, be fixed with guide pole, described sealing gasket pressing plate, through after this guide pole, is positioned over directly over sealing gasket.
4. the automatic sampler that comprises test tube integral sealing means according to claim 3, is characterized in that: described sealing gasket pressing plate, through after guide pole, is screwed on guide pole and is fixed by nut, makes sealing gasket and test tube mouth press seal.
5. the automatic sampler that comprises test tube integral sealing means according to claim 2, is characterized in that: described sealing gasket is made of plastics, the one side spraying teflon that sealing pad contacts with test tube mouth.
6. the automatic sampler that comprises test tube integral sealing means according to claim 2, is characterized in that: described sealing gasket is whole silica gel thin film, and sealing pad is cut cross recess at the position of aspirating needle puncture.
7. the automatic sampler that comprises test tube integral sealing means according to claim 1, is characterized in that: described liquid line is teflon material pipe.
8. the automatic sampler that comprises test tube integral sealing means according to claim 1, is characterized in that: described aspirating needle is made by stainless steel.
9. the automatic sampler that comprises test tube integral sealing means according to claim 1, is characterized in that: on described chassis, be also placed with the second test tube rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420429630.6U CN204008679U (en) | 2014-07-31 | 2014-07-31 | The automatic sampler that comprises test tube integral sealing means |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420429630.6U CN204008679U (en) | 2014-07-31 | 2014-07-31 | The automatic sampler that comprises test tube integral sealing means |
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| CN204008679U true CN204008679U (en) | 2014-12-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108057389A (en) * | 2017-11-27 | 2018-05-22 | 北京莱伯泰科仪器股份有限公司 | Automatical dosing instrument |
| CN109212243A (en) * | 2017-06-05 | 2019-01-15 | 深圳迈瑞生物医疗电子股份有限公司 | Analysis system, analyzer and sample container fixing means |
-
2014
- 2014-07-31 CN CN201420429630.6U patent/CN204008679U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212243A (en) * | 2017-06-05 | 2019-01-15 | 深圳迈瑞生物医疗电子股份有限公司 | Analysis system, analyzer and sample container fixing means |
| CN108057389A (en) * | 2017-11-27 | 2018-05-22 | 北京莱伯泰科仪器股份有限公司 | Automatical dosing instrument |
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