CN106525503A - Micropipettor for food detection - Google Patents
Micropipettor for food detection Download PDFInfo
- Publication number
- CN106525503A CN106525503A CN201611089903.7A CN201611089903A CN106525503A CN 106525503 A CN106525503 A CN 106525503A CN 201611089903 A CN201611089903 A CN 201611089903A CN 106525503 A CN106525503 A CN 106525503A
- Authority
- CN
- China
- Prior art keywords
- micropipettor
- socket
- fixedly connected
- connecting rod
- suction nozzle
- 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
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Food Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Medicinal Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The invention discloses a micropipettor for food detection. The micropipettor comprises a micropipettor body; the micropipettor body is mainly composed of a pipe barrel, a plunger, a connecting rod and a suction head; the bottom of the pipe barrel is fixedly connected with a connecting pipe; the top of the micropipettor body is provided with the plunger; the connecting rod is arranged in the micropipettor body and fixedly connected with the plunger; the bottom of the connecting rod is fixedly connected with a piston; a spring is arranged in the pipe barrel; the bottom of the micropipettor body is detachably connected with the suction head; the inner top of the suction head is fixedly connected with a separator plate; a plurality of micropores are formed in the separator plate; blocking lamellas are fixedly connected with the inner wall, located above the separator plate, of the suction head, are of semispherical structures and are integrated with the suction head; and a floating ball is arranged between the blocking lamellas and the separator plate. The micropipettor can effectively and accurately extract and transfer a quantified amount of a to-be-determined solution and overcomes the problem of inaccurate detection results due to excess extraction and transfer of the solution; and the micropipettor is accurate in detection results and greatly improves food safety.
Description
Technical field
The present invention relates to field of detection of food safety, specifically a kind of micropipettor of food inspection.
Background technology
Food safety is the hot issue of current world today's research, and bread is the staff of life, and food directly influences people's
Healthy and even life, food need to detect by the experiment of relevant departments before the use, it is ensured that food consumption
When security performance.
Food inspection has become a kind of new industry of hot topic at present, and what food inspection predominantly detected in food poisonous has
Whether evil cannot exceed relevant criterion, and food safety risk is preferably minimized, in food inspection, the micropipette of food inspection
Device is requisite a kind of detection means in food inspection.
But existing micropipettor is due to non-industrial mass production, pipettor to pipette precision not accurate enough,
In food inspection, the volume of sampling not enough can accurately cause experimental configuration to there is certain deviation, there is certain food safety
Hidden danger, is unfavorable for that people's is healthy.
The content of the invention
It is an object of the invention to provide a kind of micropipettor of food inspection, to solve to carry in above-mentioned background technology
The problem for going out.
For achieving the above object, the present invention provides following technical scheme:
A kind of micropipettor of food inspection, including pipettor body;The pipettor body is mainly by socket, pushes away
Handss, connecting rod and suction nozzle are constituted, and the socket bottom is fixedly connected with connecting tube, and connecting tube is connected with socket, the liquid relief
Device bodies top is provided with pushing hands, and pipettor is originally provided with connecting rod in vivo, and connecting rod is fixedly connected with pushing hands, and connecting rod is prolonged
Extend inside socket;The connecting rod bottom is fixedly connected with piston;Spring, the pipettor is provided with the socket socket
Body bottom portion is removably connected with suction nozzle, and suction nozzle is hollow structure, and suction nozzle inner top is fixedly connected with dividing plate, uniform cloth on dividing plate
It is provided with multiple micropores;The suction nozzle is internally located in dividing plate upper inner wall and is fixedly connected with obstruction lobe, and obstruction lobe is semiglobe
And obstruction lobe is integrally formed with suction nozzle;Ball float is provided between the obstruction lobe and dividing plate.
As further scheme of the invention:The pipettor body is made using rigid plastics material, pipettor body
Socket is provided with, socket is hollow structure.
As further scheme of the invention:The piston is fixedly connected on connecting rod bottom by way of hot pressing.
As further scheme of the invention:The both ends of the spring has been respectively fixedly connected with piston lower surface and socket
Bottom interior wall.
As further scheme of the invention:The ball float with diameter greater than obstruction the distance between lobe.
Compared with prior art, the invention has the beneficial effects as follows:The micropipettor effectively can precisely pipette quantitative treating
Determine solution, it is to avoid solution to refer to when pipetting that excessively cause testing result inaccurate, and the solution that the device pipettes is quantitative, detection
As a result accurately, substantially increase food consumption safety.
Description of the drawings
Structural representations of the Fig. 1 for the micropipettor of food inspection;
Fig. 2 is enlarged drawing at the A of the micropipettor of food inspection.
In figure:1- pipettor bodies;2- sockets;3- pushing hands;4- connecting rods;5- pistons;6- springs;7- connecting tubes;8- inhales
Head;9- dividing plates;10- blocks lobe;11- ball floats.
Specific embodiment
Technical scheme is described in more detail with reference to specific embodiment.
Fig. 1-2 is referred to, a kind of micropipettor of food inspection, including pipettor body 1;The pipettor body
1 is mainly made up of socket 2, pushing hands 3, connecting rod 4 and suction nozzle 8;The pipettor body 1 adopts rigid plastics material system
Into pipettor body 1 is provided with socket 2, and socket 2 is hollow structure, and 2 bottom of socket is fixedly connected with connecting tube 7, connecting tube 7
Connect with socket 2.
Be provided with pushing hands 3 at the top of the pipettor body 1, in pipettor body 1, be provided with connecting rod 4, connecting rod 4 with push away
Handss 3 are fixedly connected, and connecting rod 4 is extended to inside socket 2;4 bottom of the connecting rod is fixedly connected with work by hot pressing mode
Plug 5;Spring 6 is provided with the socket socket 2,6 two ends of spring have been respectively fixedly connected with 2 bottom of 5 lower surface of piston and socket
Portion's inwall.
1 bottom of pipettor body is removably connected with suction nozzle 8, and suction nozzle 8 is hollow structure, and 8 inner top of suction nozzle is fixed
Dividing plate 9 is connected with, multiple micropores on dividing plate 9, are uniformly laid with;The suction nozzle 8 is internally located in 9 upper inner wall of dividing plate fixed company
Obstruction lobe 10 is connected to, obstruction lobe 10 is that semiglobe and obstruction lobe 10 are integrally formed with suction nozzle 8;The obstruction lobe 10 and dividing plate 9
Between be provided with ball float 11, and ball float 11 with diameter greater than the distance between obstruction lobe 10.
The present invention operation principle be:By pressing downwards pressure pushing hands 3, connecting rod 4 is moved to 2 inner bottom part of socket, and spring 6 is received
Air in socket 2 is discharged by contracting, piston 5 by absorbing 8, and suction nozzle 8 is put in food solution, unclamps pushing hands 3, connecting rod 4
Move up, the pressure in socket 2 reduces, solution is entered inside suction nozzle 8, after solution is risen at the top of dividing plate 9, ball float 11 is floated
Rise, ball float 11 is connected between obstruction lobe 10, and solution is prohibited from entering inside pipettor body 1, it is fixed by the transfer of pipettor body 1
The solution of amount.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of description is only that those skilled in the art should for clarity
Using description as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (5)
1. a kind of micropipettor of food inspection, including pipettor body(1);The pipettor body(1)Mainly by
Socket(2), pushing hands(3), connecting rod(4)And suction nozzle(8)Constitute, it is characterised in that the socket(2)Bottom is fixedly connected with
Connecting tube(7), connecting tube(7)With socket(2)Connection, the pipettor body(1)Top is provided with pushing hands(3), pipettor sheet
Body(1)Connecting rod is provided with inside(4), connecting rod(4)With pushing hands(3)It is fixedly connected, and connecting rod(4)Extend to socket(2)It is interior
Portion;The connecting rod(4)Bottom is fixedly connected with piston(5);The socket socket(2)Spring is provided with inside(6), the liquid relief
Device body(1)Bottom is removably connected with suction nozzle(8), suction nozzle(8)For hollow structure, suction nozzle(8)Inner top be fixedly connected with every
Plate(9), dividing plate(9)On be uniformly laid with multiple micropores;The suction nozzle(8)It is internally located at dividing plate(9)It is fixed in upper inner wall to connect
It is connected to obstruction lobe(10), block lobe(10)For semiglobe and obstruction lobe(10)With suction nozzle(8)It is integrally formed;The obstruction lobe
(10)With dividing plate(9)Between be provided with ball float(11).
2. a kind of micropipettor of food inspection according to claim 1, it is characterised in that the pipettor body
(1)Made using rigid plastics material, pipettor body(1)It is provided with socket(2), socket(2)For hollow structure.
3. a kind of micropipettor of food inspection according to claim 1, it is characterised in that the piston(5)It is logical
The mode for crossing hot pressing is fixedly connected on connecting rod(4)Bottom.
4. a kind of micropipettor of food inspection according to claim 1, it is characterised in that the spring(6)Two
End has been respectively fixedly connected with piston(5)Lower surface and socket(2)Bottom interior wall.
5. a kind of micropipettor of food inspection according to claim 1, it is characterised in that the ball float(11)'s
With diameter greater than obstruction lobe(10)The distance between.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611089903.7A CN106525503A (en) | 2016-12-01 | 2016-12-01 | Micropipettor for food detection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611089903.7A CN106525503A (en) | 2016-12-01 | 2016-12-01 | Micropipettor for food detection |
Publications (1)
Publication Number | Publication Date |
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CN106525503A true CN106525503A (en) | 2017-03-22 |
Family
ID=58354101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201611089903.7A Pending CN106525503A (en) | 2016-12-01 | 2016-12-01 | Micropipettor for food detection |
Country Status (1)
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CN (1) | CN106525503A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106979873A (en) * | 2017-04-26 | 2017-07-25 | 云南农业大学 | A kind of method for pipetting nectar |
CN107192578A (en) * | 2017-05-23 | 2017-09-22 | 惠安县冠威机械设备有限公司 | A kind of automatic sampling equipment |
CN107941559A (en) * | 2017-10-16 | 2018-04-20 | 百奥森(江苏)食品安全科技有限公司 | A kind of food security sampling Detection equipment |
CN107941560A (en) * | 2017-10-18 | 2018-04-20 | 百奥森(江苏)食品安全科技有限公司 | A kind of food inspection extraction element with leakproofness |
CN111408427A (en) * | 2020-05-08 | 2020-07-14 | 山东鲁健检测技术服务有限公司 | Fruit vegetables detect with sample liquid-transfering device |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3622821A1 (en) * | 1985-07-26 | 1987-01-29 | Justin Joel Shapiro | PRECISION MICROPIPETTING DEVICE |
CN1248734A (en) * | 1998-09-22 | 2000-03-29 | 陈国君 | Dial plate type adjustable pipette |
CN2447765Y (en) * | 2000-09-05 | 2001-09-12 | 王振明 | Pipet |
CN1900680A (en) * | 2005-07-18 | 2007-01-24 | 全谱科技股份有限公司 | Sensing device for micro quanlity split injector |
CN201135889Y (en) * | 2007-12-25 | 2008-10-22 | 代峰 | Trace liquid shifter |
CN203949896U (en) * | 2014-06-12 | 2014-11-19 | 国家电网公司 | The automatic sampler of coulometry micro-water analyzer and injector sampling assemble |
CN204469723U (en) * | 2015-01-26 | 2015-07-15 | 安徽理工大学 | A kind of pipette |
-
2016
- 2016-12-01 CN CN201611089903.7A patent/CN106525503A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3622821A1 (en) * | 1985-07-26 | 1987-01-29 | Justin Joel Shapiro | PRECISION MICROPIPETTING DEVICE |
CN1248734A (en) * | 1998-09-22 | 2000-03-29 | 陈国君 | Dial plate type adjustable pipette |
CN2447765Y (en) * | 2000-09-05 | 2001-09-12 | 王振明 | Pipet |
CN1900680A (en) * | 2005-07-18 | 2007-01-24 | 全谱科技股份有限公司 | Sensing device for micro quanlity split injector |
CN201135889Y (en) * | 2007-12-25 | 2008-10-22 | 代峰 | Trace liquid shifter |
CN203949896U (en) * | 2014-06-12 | 2014-11-19 | 国家电网公司 | The automatic sampler of coulometry micro-water analyzer and injector sampling assemble |
CN204469723U (en) * | 2015-01-26 | 2015-07-15 | 安徽理工大学 | A kind of pipette |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106979873A (en) * | 2017-04-26 | 2017-07-25 | 云南农业大学 | A kind of method for pipetting nectar |
CN107192578A (en) * | 2017-05-23 | 2017-09-22 | 惠安县冠威机械设备有限公司 | A kind of automatic sampling equipment |
CN107192578B (en) * | 2017-05-23 | 2020-10-30 | 广东惠利通检测技术有限公司 | Automatic sampling equipment |
CN107941559A (en) * | 2017-10-16 | 2018-04-20 | 百奥森(江苏)食品安全科技有限公司 | A kind of food security sampling Detection equipment |
CN107941560A (en) * | 2017-10-18 | 2018-04-20 | 百奥森(江苏)食品安全科技有限公司 | A kind of food inspection extraction element with leakproofness |
CN111408427A (en) * | 2020-05-08 | 2020-07-14 | 山东鲁健检测技术服务有限公司 | Fruit vegetables detect with sample liquid-transfering device |
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C06 | 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: 20170322 |