CN108554468A - A kind of mechanical structure of autopipette - Google Patents
A kind of mechanical structure of autopipette Download PDFInfo
- Publication number
- CN108554468A CN108554468A CN201810344585.7A CN201810344585A CN108554468A CN 108554468 A CN108554468 A CN 108554468A CN 201810344585 A CN201810344585 A CN 201810344585A CN 108554468 A CN108554468 A CN 108554468A
- Authority
- CN
- China
- Prior art keywords
- sample injector
- piston
- fixing axle
- autopipette
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003028 elevating effect Effects 0.000 claims abstract description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract description 3
- 238000007664 blowing Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 abstract description 2
- 239000003814 drug Substances 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000005213 imbibition Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000010876 biochemical test Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
- B01L3/0217—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type
- B01L3/0224—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type having mechanical means to set stroke length, e.g. movable stops
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
- B01L3/0217—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type
- B01L3/0227—Details of motor drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
- B01L3/0217—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type
- B01L3/0237—Details of electronic control, e.g. relating to user interface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
Landscapes
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of mechanical structures of autopipette, including fixture, fixing axle, connecting rod, sample injector, piston, gear-box, rack, elevating lever, lift link block and electric cylinder, it is provided with fixing axle above the fixture, the fixing axle side is provided with connecting rod, described connecting rod one end is connected with sample injector, it is provided with sample injector outer wall on the outside of the sample injector, the sample injector outer wall is internally provided with photo resistance, the sample injector is internally provided with piston, it is provided with elevating lever above the piston, it is connect with rack above the elevating lever by lifting link block.The configuration of the present invention is simple, it is novel in design, sample injector with high accuracy, auxiliary measured, the operating process of transfer liquid, the device can be automatically into luggage suction nozzle, suction and the process for blowing out liquid, and using the feedback control principle of sensor, can accurately measure liquid volume, the error for avoiding the manual operation of experimenter from bringing improves the preciseness of experiment.
Description
Technical field
The present invention relates to a kind of experimental implementation equipment, more particularly to a kind of mechanical structure of autopipette.
Background technology
During the experiment, especially biochemical test, is often required to use pipettor, measures, shifts a small amount of or micro liquid
Body.The pipettor occurred now has mattress sample injector, piston just moving sample injector, multi-channel loading device, electronics sample-adding
Device and distributor etc..But during manual operation, stressed uneven and pressing speed is applied due to thumb and is controlled not
Good, the viscosity of liquid is different, causes the liquid volume drawn inaccurate, causes experimental error.For this purpose, it is proposed that a kind of automatic
The mechanical structure of sample injector.
Invention content
The main purpose of the present invention is to provide a kind of mechanical structures of autopipette, can effectively solve background technology
The problems in.
To achieve the above object, the technical solution that the present invention takes is：
A kind of mechanical structure of autopipette, including fixture, fixing axle, connecting rod, sample injector, piston, gear-box, tooth
Item, elevating lever, lifting link block and electric cylinder, the fixture top are provided with fixing axle, and the fixing axle side is provided with
Connecting rod, described connecting rod one end are connected with sample injector, are provided with sample injector outer wall on the outside of the sample injector, outside the sample injector
Pars intramuralis is provided with photo resistance, and the sample injector is internally provided with piston, elevating lever, the liter are provided with above the piston
It is connect with rack above drop bar by lifting link block, the internal piston is provided with light source, and setting is with teeth on the outside of the rack
Roller box, the gear-box side are connected with electric cylinder.
Further, it is provided with connecting tube below the sample injector, suction nozzle is connected with below the connecting tube.
Further, the fixing axle is internally provided with balancing pole.
Further, it is electrically connected by electric wire between the electric cylinder and photo resistance.
Further, the fixture is specially that stainless steel is made.
Compared with prior art, the present invention has the advantages that：The mechanical structure of this kind of autopipette：
1, manufacturing process is simple, detachably, novel in design, sample injector with high accuracy, and auxiliary measured, transfer liquid
Operating process, which can be automatically into luggage suction nozzle, suction and the process for blowing out liquid, and utilizes the feedback control of sensor original
Reason, can accurately measure liquid volume, the error for avoiding the manual operation of experimenter from bringing improves the rigorous of experiment
Property.
2, suction nozzle, drug and the container to be added are placed on designated position, the body of liquid feeding body is wanted in input on computers
Product, under control of a computer program, fixture are clamped sample injector and reach designated position, and downlink fills suction nozzle；Again as fixture moves
The position of drug, downlink are reached, electric cylinder work starts to draw liquid；When liquid level reaches sensor sensing position, signal
Feedback makes electric cylinder body be stopped, and liquid level is kept；Fixture is moved to specified containers, and electric cylinder reverse operation blows out liquid
Body；The action that sample injector returns to initial position imbibition with fixture, blows liquid can be accurately by sensor feedback control
Liquid volume is measured, the preciseness of experimental implementation is increased.
Description of the drawings
Fig. 1 is the overall structure diagram of the mechanical structure of autopipette of the present invention.
In figure：1, fixture；2, fixing axle；3, balancing pole；4, connecting rod；5, sample injector；6, sample injector outer wall；7, photosensitive electricity
Resistance；8, light source；9, piston；10, gear-box；11, rack；12, elevating lever；13, link block is lifted；14, electric cylinder；15, even
It takes over；16, suction nozzle.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
As shown in Figure 1, a kind of mechanical structure of autopipette, including fixture 1, fixing axle 2, connecting rod 4, sample injector 5,
Piston 9, gear-box 10, rack 11, elevating lever 12, lifting link block 13 and electric cylinder 14,1 top of the fixture are provided with solid
Dead axle 2,2 side of the fixing axle are provided with connecting rod 4, and 4 one end of the connecting rod is connected with sample injector 5, outside the sample injector 5
Side is provided with sample injector outer wall 6, and the sample injector outer wall 6 is internally provided with photo resistance 7, and the sample injector 5 is internally provided with
Piston 9,9 top of the piston are provided with elevating lever 12, and 12 top of the elevating lever is connected by lifting link block 13 with rack 11
It connects, the piston 9 is internally provided with light source 8, and 11 outside of the rack is provided with gear-box 10, the connection of 10 side of the gear-box
There is electric cylinder 14.
Wherein, 5 lower section of the sample injector is provided with connecting tube 15, and 15 lower section of the connecting tube is connected with suction nozzle 16.
Wherein, the fixing axle 2 is internally provided with balancing pole 3.
Wherein, it is electrically connected by electric wire between the electric cylinder 14 and photo resistance 7.
Wherein, the fixture 1 is specially that stainless steel is made.
It should be noted that the present invention is a kind of mechanical structure of autopipette, when work, by suction nozzle 16, drug with
And the container to be added is placed on designated position, the volume of liquid feeding body is wanted in input on computers, under control of a computer program,
Fixture 1 is clamped sample injector 5 and reaches designated position, and downlink fills suction nozzle 16；Again as fixture 1 moves to reach the position of drug, under
Row, electric cylinder 14 work, and start to draw liquid；When liquid level reaches sensor sensing position, signal feedback makes electric cylinder
14 are stopped, and liquid level is kept；Fixture 1 is moved to specified containers, and 14 reverse operation of electric cylinder blows out liquid；Sample injector 5 with
The action that fixture 1 returns to initial position imbibition, blows liquid can accurately measure liquid bulk by sensor feedback control
Product, increases the preciseness of experimental implementation.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (5)
1. a kind of mechanical structure of autopipette, including fixture (1), fixing axle (2), connecting rod (4), sample injector (5), piston
(9), gear-box (10), rack (11), elevating lever (12), lifting link block (13) and electric cylinder (14), it is characterised in that：Institute
It states and is provided with fixing axle (2) above fixture (1), fixing axle (2) side is provided with connecting rod (4), the connecting rod (4) one
End is connected with sample injector (5), and sample injector outer wall (6) is provided on the outside of the sample injector (5), and the sample injector outer wall (6) is internal
It is provided with photo resistance (7), the sample injector (5) is internally provided with piston (9), elevating lever is provided with above the piston (9)
(12), it is connect with rack (11) above the elevating lever (12) by lifting link block (13), the piston (9) is internally provided with
Light source (8), rack (11) outside are provided with gear-box (10), and gear-box (10) side is connected with electric cylinder
(14)。
2. a kind of mechanical structure of autopipette according to claim 1, it is characterised in that：Under the sample injector (5)
Side is provided with connecting tube (15), and suction nozzle (16) is connected with below the connecting tube (15).
3. a kind of mechanical structure of autopipette according to claim 1, it is characterised in that：In the fixing axle (2)
Portion is provided with balancing pole (3).
4. a kind of mechanical structure of autopipette according to claim 1, it is characterised in that：The electric cylinder (14)
It is electrically connected by electric wire between photo resistance (7).
5. a kind of mechanical structure of autopipette according to claim 1, it is characterised in that：The fixture (1) is specific
It is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810344585.7A CN108554468A (en) | 2018-04-17 | 2018-04-17 | A kind of mechanical structure of autopipette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810344585.7A CN108554468A (en) | 2018-04-17 | 2018-04-17 | A kind of mechanical structure of autopipette |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108554468A true CN108554468A (en) | 2018-09-21 |
Family
ID=63535677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810344585.7A Pending CN108554468A (en) | 2018-04-17 | 2018-04-17 | A kind of mechanical structure of autopipette |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108554468A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215944A (en) * | 2019-07-08 | 2019-09-10 | 昆山汇先医药技术有限公司 | A kind of automatic liquid-transfering gun |
| CN113976198A (en) * | 2021-10-29 | 2022-01-28 | 美东汇成生命科技(昆山)有限公司 | Multifunctional liquid transfer suction head |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040179972A1 (en) * | 2003-03-14 | 2004-09-16 | Nanostream, Inc. | Systems and methods for detecting manufacturing defects in microfluidic devices |
| CN101063441A (en) * | 2006-04-25 | 2007-10-31 | 上海凯实生物科技有限公司 | Gas replacement type trace quantity micro sampling-fetching pump |
| CN201689095U (en) * | 2010-01-04 | 2010-12-29 | 深圳市亚辉龙生物科技有限公司 | Full-automatic autoantibody analyzer |
| CN103499701A (en) * | 2013-09-04 | 2014-01-08 | 深圳市锦瑞电子有限公司 | Specific protein analyzer and analysis method thereof |
| CN204613225U (en) * | 2015-03-23 | 2015-09-02 | 中国动物卫生与流行病学中心 | Autopipette |
| CN107795474A (en) * | 2017-11-29 | 2018-03-13 | 北京众驰伟业科技发展有限公司 | A kind of micro automatic injection pump |
-
2018
- 2018-04-17 CN CN201810344585.7A patent/CN108554468A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040179972A1 (en) * | 2003-03-14 | 2004-09-16 | Nanostream, Inc. | Systems and methods for detecting manufacturing defects in microfluidic devices |
| CN101063441A (en) * | 2006-04-25 | 2007-10-31 | 上海凯实生物科技有限公司 | Gas replacement type trace quantity micro sampling-fetching pump |
| CN201689095U (en) * | 2010-01-04 | 2010-12-29 | 深圳市亚辉龙生物科技有限公司 | Full-automatic autoantibody analyzer |
| CN103499701A (en) * | 2013-09-04 | 2014-01-08 | 深圳市锦瑞电子有限公司 | Specific protein analyzer and analysis method thereof |
| CN204613225U (en) * | 2015-03-23 | 2015-09-02 | 中国动物卫生与流行病学中心 | Autopipette |
| CN107795474A (en) * | 2017-11-29 | 2018-03-13 | 北京众驰伟业科技发展有限公司 | A kind of micro automatic injection pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215944A (en) * | 2019-07-08 | 2019-09-10 | 昆山汇先医药技术有限公司 | A kind of automatic liquid-transfering gun |
| CN113976198A (en) * | 2021-10-29 | 2022-01-28 | 美东汇成生命科技(昆山)有限公司 | Multifunctional liquid transfer suction head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180921 |