CN205613441U - Pipette - Google Patents
Pipette Download PDFInfo
- Publication number
- CN205613441U CN205613441U CN201620330600.9U CN201620330600U CN205613441U CN 205613441 U CN205613441 U CN 205613441U CN 201620330600 U CN201620330600 U CN 201620330600U CN 205613441 U CN205613441 U CN 205613441U
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- China
- Prior art keywords
- pipettor
- suction tube
- moving spring
- cylinder
- piston
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 230000004888 barrier function Effects 0.000 claims description 14
- 239000000463 material Substances 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model provides a pipette, pipette includes: hollow barrel, promote mainly the pole, the one end and the movably setting that are located the barrel are at the barrel, a plurality of suction tubes, the other end that all sets up at the barrel just communicates with the barrel, first piston, movably setting is in every suction tube, pipette still includes: a spacing subassembly sets up in every suction tube adjustablely for limiting a piston displacement. through the utility model provides a pipette can solve the problem that pipette among the prior art can only absorb quantitative sample.
Description
Technical field
This utility model relates to sample collecting technical field, in particular to a kind of pipettor.
Background technology
At present, when liquid is acquired in order to once obtain plurality of reagents, pipettor arranges multiple suction tube.During use,
By multiple suction tubes, different reagent are drawn simultaneously, use requirement can be met.By the shifting of multiple suction tubes in prior art
When reagent is drawn by liquid device, the dosage drawn of every kind of reagent is the most identical, is the most often restricted.
Utility model content
Main purpose of the present utility model is to provide a kind of pipettor, can only draw quantitatively solving pipettor of the prior art
The problem of sample.
To achieve these goals, a kind of pipettor provided according to this utility model, pipettor includes: the cylinder of hollow；Main
Push rod, is positioned at one end of cylinder and is movably disposed at cylinder；Multiple suction tubes, be arranged at cylinder the other end and with cylinder
Body connects；First piston, is movably disposed in each suction tube；Pipettor also includes: for limiting first piston displacement
Limit assembly, is adjustably disposed in each suction tube.
Further, limit assembly includes: threaded rod, is arranged in each suction tube, and one end of threaded rod is connected with first piston
And threaded rod is towards the direction setting of primary push rod；Nut, threadeds with threaded rod；Barrier portion, is arranged on each suction tube interior with only
Gear nut.
Further, barrier portion is dividing plate, is fixedly installed on the inwall of suction tube, and dividing plate is provided with through hole, and threaded rod runs through
Through hole is arranged.
Further, limit assembly also includes: the first back-moving spring, is arranged in each suction tube, one end of the first back-moving spring
Being connected with barrier portion, the other end of the first back-moving spring is connected with first piston.
Further, the first back-moving spring is set on threaded rod, and the internal diameter of the first back-moving spring is more than the external diameter of nut.
Further, pipettor also includes: handle, be arranged on cylinder and with primary push rod homonymy.
Further, primary push rod is connected through handle with cylinder.
Further, primary push rod includes straight-bar and the second piston；Pipettor also includes: the second back-moving spring, is set on straight-bar,
One end of second back-moving spring is connected with the second piston, and the other end of the second back-moving spring is connected with the inwall of handle.
Further, multiple suction tubes are disposed side by side on one end of cylinder.
Further, multiple suction tubes are circumferentially disposed at one end of cylinder.
Application the technical solution of the utility model, in each suction tube of pipettor, adjustable ground arranges a limit assembly, uses
Time, for the sample of different demands, the suction volume of suction tube can be set beforehand through regulation limit assembly, so may be implemented in into
Different suction tube can be made during row once-through operation to suck the sample of various dose, facilitate staff to use.
Accompanying drawing explanation
The Figure of description of the part constituting the application is used for providing being further appreciated by of the present utility model, of the present utility model
Schematic description and description is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the pipettor that this utility model provides.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
10, cylinder；20, primary push rod；21, straight-bar；22, the second piston；30, suction tube；40, first piston；50, limit
Hyte part；51, threaded rod；52, nut；53, barrier portion；54, the first back-moving spring；60, handle；70, second is multiple
Position spring.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As it is shown in figure 1, this utility model embodiment provides a kind of pipettor, this pipettor includes: the cylinder 10 of hollow, promote mainly
Bar 20, multiple suction tube 30 and first piston 40.Wherein, primary push rod 20 is positioned at one end of cylinder 10 and is movably disposed
In cylinder 10, multiple suction tubes 30 are arranged at the other end of cylinder 10 and multiple suction tube 30 connects with cylinder 10, and first lives
Plug 40 is movably disposed in each suction tube 30, by push-and-pull primary push rod 20, can realize the discharge of suction tube 30 or suck sample
Product.In the present embodiment, this pipettor also includes the limit assembly 50 for limiting first piston 40 displacement, limit assembly 50
It is adjustably disposed in each suction tube 30.
The technical solution of the utility model, in each suction tube 30 of pipettor, adjustable ground arranges a limit assembly 50, uses
Time, for the sample of different demands, the suction volume of suction tube 30 can be set beforehand through regulation limit assembly 50, so can be real
Different suction tube can be made when now primary push rod being carried out once-through operation to suck the sample of various dose, facilitate staff to use.
Specifically, this limit assembly 50 includes: threaded rod 51, nut 52 and barrier portion 53.Wherein, each suction tube 30
Inside being respectively provided with a threaded rod 51, one end of threaded rod 51 is connected with first piston 40 and threaded rod 51 is towards the side of primary push rod 20
To setting, in nut 52 is arranged on suction tube 30 and threadeding with threaded rod 51, barrier portion 53 is arranged in each suction tube 30
And be positioned at above nut 52.Suction tube 30 carry out pipette samples operation time, first piston 40 moves up, threaded rod 51 and
Nut 52 on threaded rod 51 moves upwardly together with first piston 40, when nut 52 moves to barrier portion 53, passes through
Barrier portion 53 carries out barrier to nut 52, can limit first piston 40 and move in suction tube 30.
In order to simplify structure, barrier portion 53 is set to dividing plate, is fixed on the inwall of suction tube 30.Wherein, dividing plate is arranged
Having through hole, when first piston 40 moves in suction tube 30, threaded rod 51 may pass through through hole and moves up and down.
In the present embodiment, this limit assembly 50 also includes the first back-moving spring 54.First back-moving spring 54 is arranged on each suction
Cylinder 30 is internal, and one end of the first back-moving spring 54 is connected with barrier portion 53, and the other end of the first back-moving spring 54 and first is lived
Plug 40 connection.First back-moving spring 54 can play the effect of reset first piston 40, and can by the first back-moving spring 54
When suction tube 30 pipette samples, make first piston 40 slowly upper to move, there is cushioning effect.Wherein, the first back-moving spring
54 outsides that can be threaded bar 51, it is possible to be set on threaded rod 51.In order to make first piston 40 uniform force and overall knot
Structure is the compactest, is preferably set on threaded rod 51 by the first back-moving spring 54.For avoiding nut 52 to answer with first when movement
Position spring 54 interferes, and the internal diameter of the first back-moving spring 54 is set greater than the external diameter of nut 52.
Wherein, staff takes pipettor for convenience, and this pipettor also includes that handle 60, handle 60 are arranged on cylinder 10
Top is also connected with cylinder 10.In the present embodiment, in order to simplify overall structure, be easy to staff and take, by handle 60
Being set to hollow structure, primary push rod 20 is connected through handle 60 with cylinder 10.Wherein, primary push rod 20 includes straight-bar 21 and
Two pistons 22, the second piston 22 is positioned at described cylinder 10, and straight-bar 21 is positioned partially at outside handle 60, straight by manipulation
Bar 21, makes the second piston 22 move in cylinder 10.
In the present embodiment, this pipettor also includes the second back-moving spring 70, and this second back-moving spring 70 is set on straight-bar 21,
One end of second back-moving spring 70 is connected with the second piston 22, and the other end of the second back-moving spring 70 connects with the inwall of handle 60
Connect.The second piston 22 so can be facilitated to reset.
In order to adapt to the sample of different putting position, multiple suction tubes 30 can lay out in parallel in one end of cylinder 10, it is possible to circumferentially
Direction is placed in one end of cylinder 10.And being detachably provided with suction nozzle below suction tube 30, suction nozzle is set to taper, with
Facilitate suction tube 30 pipette samples.
In the present embodiment as a example by 6 suction tubes 30, suction tube 30 is disposed side by side on one end of cylinder 10.Each suction tube 30 is effective
Volume aspirated is 10ml, diameter 12mm, highly 10cm, and material can be selected for polythene material.Wherein, first piston 40 is thick
Degree is 2mm, and material can be selected for polytetrafluoroethylmaterial material, and threaded rod 51 is connected with first piston 40, and threaded rod 51 is a diameter of
3mm, nut 52 is external diameter 7mm, and internal diameter is supporting with threaded rod 51, and material is carbon steel, and the first back-moving spring 54 is selected stainless
Steel matter.The pipettor provided by this utility model, can be adjusted the volume that each suction tube 30 is drawn, facilitates work
Make librarian use.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this area
For technical staff, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, institute
Any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. a pipettor, described pipettor includes:
The cylinder (10) of hollow；
Primary push rod (20), is positioned at one end of described cylinder (10) and is movably disposed at described cylinder (10)；
Multiple suction tubes (30), are arranged at the other end of described cylinder (10) and connect with described cylinder (10)；
First piston (40), is movably disposed in each described suction tube (30)；
It is characterized in that, described pipettor also includes:
For limiting the limit assembly (50) of described first piston (40) displacement, it is adjustably disposed in each described suction tube
(30) in.
Pipettor the most according to claim 1, it is characterised in that described limit assembly (50) including:
Threaded rod (51), is arranged in each described suction tube (30), one end of described threaded rod (51) and described first
Piston (40) connect and described threaded rod (51) towards described primary push rod (20) direction arrange；
Nut (52), threadeds with described threaded rod (51)；
Barrier portion (53), is arranged on each described suction tube (30) interior with nut described in backstop (52).
Pipettor the most according to claim 2, it is characterised in that described barrier portion (53) is dividing plate, is fixedly installed on institute
Stating on the inwall of suction tube (30), described dividing plate is provided with through hole, described threaded rod (51) runs through described through hole and arranges.
Pipettor the most according to claim 2, it is characterised in that described limit assembly (50) also includes:
First back-moving spring (54), is arranged in each described suction tube (30), the one of described first back-moving spring (54)
End is connected with described barrier portion (53), the other end of described first back-moving spring (54) and described first piston (40)
Connect.
Pipettor the most according to claim 4, it is characterised in that described first back-moving spring (54) is set in described screw thread
On bar (51), the internal diameter of described first back-moving spring (54) is more than the external diameter of described nut (52).
Pipettor the most according to claim 1, it is characterised in that described pipettor also includes:
Handle (60), be arranged on described cylinder (10) upper and with described primary push rod (20) homonymy.
Pipettor the most according to claim 6, it is characterised in that described primary push rod (20) through described handle (60) with
Described cylinder (10) connects.
Pipettor the most according to claim 7, it is characterised in that
Described primary push rod (20) includes straight-bar (21) and the second piston (22)；
Described pipettor also includes:
Second back-moving spring (70), is set on described straight-bar (21), one end of described second back-moving spring (70) with
Described second piston (22) connects, the other end of described second back-moving spring (70) and the inwall of described handle (60)
Connect.
Pipettor the most according to claim 1, it is characterised in that the plurality of suction tube (30) is disposed side by side on described cylinder
(10) one end.
Pipettor the most according to claim 1, it is characterised in that the plurality of suction tube (30) is circumferentially disposed at described cylinder
One end of body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620330600.9U CN205613441U (en) | 2016-04-18 | 2016-04-18 | Pipette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620330600.9U CN205613441U (en) | 2016-04-18 | 2016-04-18 | Pipette |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205613441U true CN205613441U (en) | 2016-10-05 |
Family
ID=57027614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620330600.9U Active CN205613441U (en) | 2016-04-18 | 2016-04-18 | Pipette |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205613441U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106754297A (en) * | 2017-04-11 | 2017-05-31 | 尹康康 | A kind of Bacteria Culture multi-channel pipette |
| CN108097341A (en) * | 2018-01-08 | 2018-06-01 | 江苏师范大学 | A kind of automatic ration gradient sample adding device |
| CN108187771A (en) * | 2018-01-08 | 2018-06-22 | 江苏师范大学 | A kind of automatic ration gradient is loaded multichannel pipettor piston component |
| CN109999936A (en) * | 2019-04-27 | 2019-07-12 | 李俊 | High-precision quantitative liquid-transfering gun applied to biology/chemical industry/medicine test, detection |
| 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 |
| CN111957362A (en) * | 2020-08-13 | 2020-11-20 | 温州市人民医院 | Sample sucking device in batches |
| CN111974473A (en) * | 2020-08-13 | 2020-11-24 | 温州市人民医院 | Batch sample adding device |
-
2016
- 2016-04-18 CN CN201620330600.9U patent/CN205613441U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110139717B (en) * | 2016-11-14 | 2021-09-24 | 艾卡工厂有限及两合公司 | Hand-held dosing device and hand-held dosing device arrangement |
| CN106754297A (en) * | 2017-04-11 | 2017-05-31 | 尹康康 | A kind of Bacteria Culture multi-channel pipette |
| CN108097341A (en) * | 2018-01-08 | 2018-06-01 | 江苏师范大学 | A kind of automatic ration gradient sample adding device |
| CN108187771A (en) * | 2018-01-08 | 2018-06-22 | 江苏师范大学 | A kind of automatic ration gradient is loaded multichannel pipettor piston component |
| CN109999936A (en) * | 2019-04-27 | 2019-07-12 | 李俊 | High-precision quantitative liquid-transfering gun applied to biology/chemical industry/medicine test, detection |
| CN111957362A (en) * | 2020-08-13 | 2020-11-20 | 温州市人民医院 | Sample sucking device in batches |
| CN111974473A (en) * | 2020-08-13 | 2020-11-24 | 温州市人民医院 | Batch sample adding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |