CN201329284Y - Precise quantitative liquid transfer device with electronic timing function - Google Patents
Precise quantitative liquid transfer device with electronic timing function Download PDFInfo
- Publication number
- CN201329284Y CN201329284Y CNU2008201387257U CN200820138725U CN201329284Y CN 201329284 Y CN201329284 Y CN 201329284Y CN U2008201387257 U CNU2008201387257 U CN U2008201387257U CN 200820138725 U CN200820138725 U CN 200820138725U CN 201329284 Y CN201329284 Y CN 201329284Y
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- procapsid
- piston
- pipettor
- accurate
- liquid transfer
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- 239000007788 liquid Substances 0.000 title abstract description 17
- 238000012546 transfer Methods 0.000 title abstract description 11
- 108090000565 Capsid Proteins Proteins 0.000 claims description 44
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000011160 research Methods 0.000 abstract description 7
- 238000002474 experimental method Methods 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 238000010256 biochemical assay Methods 0.000 abstract 1
- 238000010876 biochemical test Methods 0.000 abstract 1
- 210000003660 reticulum Anatomy 0.000 description 16
- 239000000126 substance Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000011835 investigation Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
A precise quantitative liquid transfer device with the electronic timing function is a precise quantitative liquid transfer device which has a precision calibrating mechanism, uses a piston to calibrate zero position, possesses an electronic timing function, and ensures quantitative liquid transfer is accurate. The device is suitable for use in hospitals, biochemical institutes, and science, research and production units as a means for liquid transfer and application of sample for biochemical tests, assay and experiment, and is characterized in that a piston rod (20) inside the housing of the liquid transfer device consists of a piston section (6), a spring rod section (13), a precision section D, and a pair of push rod gears (19-1 and 19-2); the piston section (6) which is in precise slide fit with a front housing (8) is arranged inside a piston cavity (24) within the front housing; and a plurality of pairs of gear pair grooves varying in length L are formed on the inner wall of a rear housing (14). The utility model can straightforwardly display the scale value of air volume as well as the actual stroke of the piston, and can ensure that the precision is straightforward and trustworthy and that quantitative liquid transfer and application of sample are precise. A Cronometro can prevent errors in time reading caused by sight transfer so as to ensure that application of sample and timing are synchronous and accurate.
Description
Affiliated technical field
The utility model relates to a kind of quantitative pipettor, particularly includes the precision correcting mechanism, and piston calibration zero-bit is arranged, and the electric time-keeping function is arranged, and quantitatively moves the quantitative pipettor of the accurate many gears of a kind of accurately electric time-keeping of liquid.The biochemical investigations, chemical examination, experiment etc. that are applicable to hospital, Biochemical Research institute, scientific research, production unit move liquid, application of sample is used.
Background technology
Quantitatively pipettor also claims quantitative sample injector, is that the biochemical investigation, chemical examination, experiment etc. of hospital, Biochemical Research institute, scientific research, production unit move the indispensable of liquid, application of sample, the most frequently used instrument, apparatus; Quantitatively accuracy, the accuracy of pipettor relate to the biochemical investigation crucial apparatus of correctness as a result.The existing quantitative pipettor, in use, the no precision calibration that has, whether not directly perceived the precision that has is accurately, accurately inaccurate bad judgement, to its accurately with suspicion do not have yet how; In addition, in check, chemical examination operation, because stopwatch not before sight is watched in operation attentively, timing to see table, the error of sight transfer time also can not be ignored, and the biochemistry that more particularly is accurate to second is operated, and application of sample and timing also are a problem synchronously.
Summary of the invention
In view of the foregoing, the utility model provides a kind of electric time-keeping accurate quantitatively pipettor, utilizes with the air displacement of the volume liquid principle with volume, is provided with the many gears of air fixed volume of replacement fluid; Design has the precision correcting mechanism, and the volume of air scale value of being furnished with replacement fluid shows that intuitively piston calibration zero-bit is arranged, and can see the piston traveled distance intuitively; In addition, also be provided with electronic timepiece, be beneficial to application of sample and timing is synchronous.
The technical scheme that the invention for solving the technical problem adopted is: the accurate quantitatively pipettor of electric time-keeping, pipettor housing, bonnet, procapsid head, piston rod are arranged, it is characterized in that: procapsid (8), back casing (14), bonnet (18) connect to form the pipettor housing by procapsid rib-loop (9), back casing rib-loop (15); The piston rod (20) that runs through is arranged in the pipettor housing, and piston rod (20) is by piston section (6), spring lever section (13), and accurate section D, pair of push rods shelves (19-1), (19-2) form; Spring lever section (13) is outer to be with spring (12), and the appearance that piston rod (20) exposes bonnet (18) has piston rod groove E; Plunger shaft (24), procapsid inner chamber (7) are arranged in the procapsid (8); Can enter the accurate with it piston section (6) that is slidingly matched in the plunger shaft (24), procapsid inner chamber (7) can enter spring lever section (13); Spring cavity (11) is arranged in the back casing (14), the length L that also has back casing (14) inwall does not wait many to gear to groove: a gear is to groove (1), (1 '), two gears to groove (2), (2 '), three gears to groove (3), (3 '), fourth gear position to groove (4), (4 '), five gears to groove (5), (5 ') Like this, rotating piston bar (20), the length L of pair of push rods shelves (19-1), (19-2) can inserting does not respectively wait many to gear in the groove, pair of push rods shelves (19-1), (19-2) length L do not wait many to gear to the stroke in the groove, be exactly the different stroke of piston (6), the different stroke of piston (6), it is exactly the liquid absorption of the different gears of pipettor, that is to say that rotating piston bar (20) can reach the function of many gears imbibition.
The accurate quantitatively pipettor of this electric time-keeping can also be provided with precision and regulate gap (10) between procapsid (8), back casing (14).
The accurate quantitatively pipettor of this electric time-keeping, procapsid (8) can also be transparent material, quantitative scale and calibration zero-bit can also be arranged on procapsid head (26) surface, can regulate appreciable piston (6) by procapsid rib-loop (9) and be aligned in 0 of the lip-deep scale of procapsid head (26), with calibration accuracy.
The accurate quantitatively pipettor of this electric time-keeping has each gear scale on the panel of bonnet (18); Can also be provided with electronic watch core (16), battery (28) in the bonnet (18), can also be provided with LCDs (17), stopwatch lid (30) on the panel of bonnet (18), the outer of bonnet (18) can also be provided with stopwatch button (29).
The accurate quantitatively pipettor of this electric time-keeping, spring cavity (11) also is provided with spring cavity passage (B), and procapsid inner chamber (7) also is provided with procapsid inner chamber passage (C), with equilibrium air pressure.
The accurate quantitatively pipettor of this electric time-keeping can also be provided with push rod cup (21), push rod (23), push rod spring (22), suction nozzle and push away (25), can press push rod cup (21) when displacement suction nozzle (27), and suction nozzle (27) is turned down.
The accurate quantitatively pipettor of this electric time-keeping, plunger shaft (24) inwall, spring cavity (11) inwall, high accuracy, best bright finish, particularly plunger shaft (24), piston section (6) are wanted in the outer wall processing of the piston section (6) of piston rod (20), accurate section D, and processing is high accuracy and fineness more.
The accurate quantitatively pipettor of this electric time-keeping, utilization is with the air displacement of the volume liquid principle with volume, be provided with the many gears of air fixed volume of replacement fluid, design has the precision correcting mechanism, on transparent procapsid head surface, there is the volume of air scale value of replacement fluid intuitively to show, piston calibration zero-bit is arranged, can also see the piston traveled distance intuitively, can be directly perceived, relieved to its degree of accuracy, can accomplish quantitatively to move accurately liquid and application of sample; In addition, also be provided with electronic timepiece,, be beneficial to synchronous, the accurately timing of application of sample and timing to exempt the sight error of transfer time.The utility model is applicable to that the biochemical investigation, chemical examination, experiment of hospital, Biochemical Research institute, scientific research, production unit etc. moves liquid, application of sample is used.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Figure of description 1 is the horizontal appearance view of the utility model embodiment.
Figure of description 2 is right views of the utility model embodiment Fig. 1.
Figure of description 3 is transverse sectional view of the utility model embodiment.
Figure of description 4 is that the A-A of the utility model embodiment Fig. 3 is to cutaway view.
Among each figure: 1,1 '. a gear is to groove, and 2,2 '. two gears are to groove, and 3,3 '. three gears are to groove, 4,4 '. the fourth gear position is to groove, and 5,5 '. five gears are to groove, 6. the piston section, 7. procapsid inner chamber, 8. procapsid, 9. procapsid rib-loop, 10. precision is regulated gap, 11. spring cavitys, 12. springs, 13. the spring lever section, 14. back casings, 15. back casing rib-loops, 16. electronic watch core, 17. LCDs, 18. bonnets, 19-1,19-2. the pair of push rods shelves, 20. piston rods, 21. push rod cups, 22. push rod spring, 23. push rods, 24. plunger shaft, 25. suction nozzle pushes away, 26. procapsid heads, 27. suction nozzles, 28. battery, 29. stopwatch buttons, 30. stopwatches lid, B. spring cavity passage, C. procapsid inner chamber passage, the accurate section of D., E. piston rod groove.
The specific embodiment
In the Figure of description 1, the procapsid of transparent material (8), back casing (14), bonnet (18), and by procapsid rib-loop (9), back casing rib-loop (15) connection back composition pipettor housing, be added with precision between procapsid (8), back casing (14) and regulate gap (10), there is the piston rod (20) that runs through to pass bonnet (18) in the pipettor housing, the appearance that piston rod (20) exposes bonnet (18) has piston rod groove E, rotary-piston bar (20) makes groove E aim at each gear scale quantitatively to pipette liquid.
In the Figure of description 1, the accurate quantitatively pipettor of this electric time-keeping, procapsid (8) is transparent high physical and chemical stability material, quantitative scale and calibration zero-bit are arranged on procapsid head (26) surface, can regulate appreciable piston (6) by procapsid rib-loop (9) and be aligned in 0 of the lip-deep scale of procapsid head (26), to calibrate its precision.
In the Figure of description 2, the accurate quantitatively pipettor of this electric time-keeping, LCDs (17), stopwatch lid (30), each gear scale are arranged on the panel of bonnet (18), stopwatch button (29) is exposed in the outer of bonnet (18), can in application of sample, press timing, and exempt the sight error of transfer time, be beneficial to synchronous, the accurately timing of application of sample and timing.
Among Figure of description 3, Fig. 4, the accurate quantitatively pipettor of this electric time-keeping, procapsid (8), back casing (14), bonnet (18), and, there is precision to regulate gap (10) between procapsid (8), back casing (14) by procapsid rib-loop (9), back casing rib-loop (15) connection back composition pipettor housing.
Among Figure of description 3, Fig. 4, the accurate quantitatively pipettor of this electric time-keeping, the piston rod (20) that runs through is arranged in the pipettor housing, piston rod (20) is made up of piston section (6), spring lever section (13), accurate section D, pair of push rods shelves (19-1), (19-2), spring lever section (13) is outer to be with spring (12), and the appearance that piston rod (20) exposes bonnet (18) has piston rod groove E.
Among Figure of description 3, Fig. 4, the accurate quantitatively pipettor of this electric time-keeping, plunger shaft (24), procapsid inner chamber (7) are arranged in the procapsid (8), can enter the accurate with it piston section (6) that is slidingly matched in the plunger shaft (24), procapsid inner chamber (7) can enter spring lever section (13).
Among Figure of description 3, Fig. 4, the accurate quantitatively pipettor of this electric time-keeping, spring cavity (11) is arranged in the back casing (14), the length L that also has back casing (14) inwall does not wait many to gear to groove: a gear is to groove (1), (1 '), two gears to groove (2), (2 '), three gears to groove (3), (3 '), fourth gear position to groove (4), (4 '), five gears to groove (5), (5 '), present embodiment has drawn 5 pairs of gears to groove; Can enter the accurate with it accurate section D that is slidingly matched in the spring cavity (11), each in the groove, can enter pair of push rods shelves (19-1), (19-2) of precision-fit with it to gear.
Among Figure of description 3, Fig. 4, the accurate quantitatively pipettor of this electric time-keeping has electronic watch core (16), battery (28) in the bonnet (18).
In the Figure of description 3, the accurate quantitatively pipettor of this electric time-keeping, spring cavity (11) also is provided with spring cavity passage (B), procapsid inner chamber (7) also is provided with procapsid inner chamber passage (C), with equilibrium air pressure.
Among Figure of description 3, Fig. 4, the accurate quantitatively pipettor of this electric time-keeping also is provided with push rod cup (21), push rod spring (22), push rod (23), suction nozzle and pushes away (25), can press push rod cup (21) when displacement suction nozzle (27), and suction nozzle (27) is turned down.Can avoid hand contact suction nozzle and liquid harmful, that infect like this, with the protection operator.
Among Figure of description 3, Fig. 4, the accurate quantitatively pipettor of this electric time-keeping, plunger shaft (24) inwall, spring cavity (11) inwall, high accuracy, best bright finish are wanted in the outer wall processing of the piston section (6) of piston rod (20), accurate section D, particularly plunger shaft (24), piston section (6), processing is high accuracy and fineness more, to guarantee the quantitatively high accuracy of pipettor metering of this precision.
Claims (5)
1. the accurate quantitatively pipettor of an electric time-keeping, pipettor housing, bonnet, procapsid head, piston rod are arranged, it is characterized in that: procapsid (8), back casing (14), bonnet (18) connect to form the pipettor housing by procapsid rib-loop (9), back casing rib-loop (15); The piston rod (20) that runs through is arranged in the pipettor housing, and piston rod (20) is made up of piston section (6), spring lever section (13), accurate section D, pair of push rods shelves (19-1), (19-2); Spring lever section (13) is outer to be with spring (12), and the appearance that piston rod (20) exposes bonnet (18) has piston rod groove E; Plunger shaft (24), procapsid inner chamber (7) are arranged in the procapsid (8); Spring cavity (11) is arranged in the back casing (14), back casing (14) inwall has that length L do not wait many to gear to groove.
2. the accurate quantitatively pipettor of electric time-keeping according to claim 1 is characterized in that: have precision to regulate gap (10) between described procapsid (8), back casing (14).
3. the accurate quantitatively pipettor of electric time-keeping according to claim 1, it is characterized in that: described procapsid (8) is a transparent material, and quantitative scale and calibration zero-bit are arranged on procapsid head (26) surface.
4. the accurate quantitatively pipettor of electric time-keeping according to claim 1, it is characterized in that: electronic watch core (16), battery (28) are arranged in the described bonnet (18), LCDs (17), stopwatch lid (30), each gear scale are arranged on the panel of bonnet (18), and there is stopwatch button (29) outer of bonnet (18).
5. the accurate quantitatively pipettor of electric time-keeping according to claim 1, it is characterized in that: described spring cavity (11) is provided with spring cavity passage (B), and procapsid inner chamber (7) is provided with procapsid inner chamber passage (C).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201387257U CN201329284Y (en) | 2008-11-14 | 2008-11-14 | Precise quantitative liquid transfer device with electronic timing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201387257U CN201329284Y (en) | 2008-11-14 | 2008-11-14 | Precise quantitative liquid transfer device with electronic timing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201329284Y true CN201329284Y (en) | 2009-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201387257U Expired - Fee Related CN201329284Y (en) | 2008-11-14 | 2008-11-14 | Precise quantitative liquid transfer device with electronic timing function |
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| Country | Link |
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| CN (1) | CN201329284Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179269A (en) * | 2011-04-11 | 2011-09-14 | 深圳市博卡生物技术有限公司 | Precision finely adjustable liquid transfer device |
| CN104634611A (en) * | 2013-11-14 | 2015-05-20 | 艾博生物医药(杭州)有限公司 | Device and method using same |
| CN104903687A (en) * | 2013-08-28 | 2015-09-09 | 株式会社奥巴尔 | Piston calibrator |
| CN110139717A (en) * | 2016-11-14 | 2019-08-16 | 艾卡工厂有限及两合公司 | Hand-held dosing device and hand-held dosing device arrangement |
| CN112930229A (en) * | 2018-08-31 | 2021-06-08 | 贝克曼库尔特有限公司 | High volume and low volume precision pipettor |
-
2008
- 2008-11-14 CN CNU2008201387257U patent/CN201329284Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179269A (en) * | 2011-04-11 | 2011-09-14 | 深圳市博卡生物技术有限公司 | Precision finely adjustable liquid transfer device |
| CN104903687A (en) * | 2013-08-28 | 2015-09-09 | 株式会社奥巴尔 | Piston calibrator |
| CN104903687B (en) * | 2013-08-28 | 2017-12-05 | 株式会社奥巴尔 | Piston prover |
| CN104634611A (en) * | 2013-11-14 | 2015-05-20 | 艾博生物医药(杭州)有限公司 | Device and method using same |
| CN104634611B (en) * | 2013-11-14 | 2018-07-13 | 艾博生物医药(杭州)有限公司 | A method of the device of quantitative shunting is carried out to liquid sample and uses the device |
| CN110139717A (en) * | 2016-11-14 | 2019-08-16 | 艾卡工厂有限及两合公司 | Hand-held dosing device and hand-held dosing device arrangement |
| CN112930229A (en) * | 2018-08-31 | 2021-06-08 | 贝克曼库尔特有限公司 | High volume and low volume precision pipettor |
| US11872552B2 (en) | 2018-08-31 | 2024-01-16 | Beckman Coulter, Inc. | High and low volume precision pipettor with improved accuracy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20091214 |