CN207913815U - Pipettor gun head - Google Patents
Pipettor gun head Download PDFInfo
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- CN207913815U CN207913815U CN201820136236.1U CN201820136236U CN207913815U CN 207913815 U CN207913815 U CN 207913815U CN 201820136236 U CN201820136236 U CN 201820136236U CN 207913815 U CN207913815 U CN 207913815U
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- pipettor
- internal diameter
- active region
- gun head
- transition
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- 230000007704 transition Effects 0.000 claims abstract description 51
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 238000002474 experimental method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000005842 biochemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000003759 clinical diagnosis Methods 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The utility model discloses a kind of pipettor gun heads, specifically, including pipette tips ontology, pipette tips ontology is integrated or integrally formed, and pipette tips ontology is tubulose, pipette tips ontology includes suction nozzle area, liquid storage area, transition region and pipettor active region from the bottom to top, and the inner cavity of the pipette tips ontology of tubulose is tapered configuration from top to bottom；The height in suction nozzle area is 7 10mm, apex angle α, wherein 10 °≤α≤45 °, internal diameter is 0.4 0.9mm；The height of liquid storage area is 30 35mm, apex angle β, wherein 10 °≤β≤45 °, internal diameter is 0.8 1.8mm；The height of transition region is 10 11mm, and internal diameter is 1.8 5.4mm；The height of pipettor active region is 5.4 5.8mm, and internal diameter is 5.3 6.5mm.The pipettor gun head of the utility model, simple in structure, range is moderate, and structural strength is high, and liquid relief precision is high, the small volume suitable for being widely present at present and high-throughput experiment.
Description
Technical field
The utility model is related to Bioexperiment clothing arts, relate more specifically to be suitable for high-throughput, small size and accurate
Spend a kind of small-range of high biochemical reaction, high-precision pipettor gun head.
Background technology
With the rapid development of scientific and technical research, more and more high throughputs are tested in biological scientific research, medicament research and development, are divided
The fields such as analysis chemistry and clinical diagnosis are widely used.Manual mode of operation cannot meet at high-throughput sample
Required high efficiency, accuracy and safety during reason, part or overall process automatic operating in experimental implementation flow
Have become inexorable trend, more and more liquid working stations are developed and apply.In life science and medicament research and development
Equal fields, with the limitation of the factors such as the raising of the detecting instrument sensitivity used and sample preparation difficulty, small size it is anti-
System and component is answered more and more to be applied, such as the reaction system of microlitre (μ L) grade and micro updating small component below are built
It is vertical.Small size reaction system means to propose higher liquid relief required precision to the high-throughput liquid working station used, and makes
The design and quality of pipettor gun head are most important for the raising of liquid relief precision.Many liquid working stations use at present
The range of pipettor gun head is larger, and precision is relatively low, such as the pipette tips of 100 common μ L, and liquid relief precision is 2 μ L；The pipette tips of 50 μ L are moved
Liquid precision is 1 μ L；Or precision is suitable, but range is smaller, and such as pipette tips of 10 μ L, liquid relief precision is 0.2 μ L；This kind of pipettor gun head
It is difficult suitable for high-throughput at present, small volume and high-precision biochemical reaction demand, therefore, it is a kind of that exploitation is badly in need of in this field
The pipettor gun head that range is medium but liquid relief precision is high, can be compatible with liquid working station used at present.
Invention content
The purpose of this utility model is to provide a kind of pipettor gun head, the pipettor gun header structure letters of the utility model
Single, range is moderate, and structural strength is high, and liquid relief precision is high, the small volume suitable for being widely present at present and high-throughput experiment.
The utility model provides a kind of pipettor gun head, and specifically, including pipette tips ontology, the pipette tips ontology are one
Or it is integrally formed, and the pipette tips ontology be tubulose, the pipette tips ontology from the bottom to top include suction nozzle area, liquid storage area, mistake
Area and pipettor active region are crossed, the inner cavity of the pipette tips ontology of tubulose is tapered configuration from top to bottom；The height in the suction nozzle area
Degree is 7-10 mm, apex angle α, wherein 1 °≤α≤30 °, internal diameter is 0.4-0.9 mm；The height of the liquid storage area is 30-
35 mm, apex angle β, wherein 1 °≤β≤30 °, internal diameter is 0.8-1.8 mm；The height of the transition region is 10-11 mm,
Internal diameter is 1.8-5.4 mm；The height of the pipettor active region is 5.4-5.8 mm, and internal diameter is 5.3-6.5 mm.
It should be noted that since the inner cavity of the pipettor gun head of the utility model is tapered configuration under upper,
The inner cavity of its different section forms truncated cone-shaped space, and the cone-apex angle which corresponds to cone is exactly the utility model institute
" apex angle " stated.
In another preferred example, the suction nozzle area is connected with the liquid storage area, the liquid storage area and the transition region phase
Connection, the transition region are connected to the pipettor active region.
In another preferred example, α=β.
In another preferred example, the periphery of the transition region is uniformly arranged multiple first protrusions.
In another preferred example, the quantity of first protrusion is 4-12.
In another preferred example, the transition region includes First Transition area and the second transition region, wherein the First Transition
Area is fixedly connected with the liquid storage area, and second transition region is fixedly connected with the pipettor active region.
In another preferred example, the internal diameter in the First Transition area is the 1/3-2/3 of the second transition region internal diameter.
In another preferred example, the internal diameter in the First Transition area is the 2/5 of the second transition region internal diameter.
In another preferred example, middle transition section is equipped between the First Transition area and second transition region.
In another preferred example, the multiple first protrusion is uniformly arranged on the periphery of the middle transition section.
In another preferred example, the periphery of the pipettor active region is uniformly arranged multiple second protrusions.
In another preferred example, the quantity of second protrusion is 4-12.
In another preferred example, the pipettor active region includes the first active region and the second active region, wherein described the
One active region is fixedly connected with the transition region, and second active region is fixedly connected with first active region.
In another preferred example, the internal diameter of first active region is bigger than the internal diameter of second active region by 0.5-1.5
mm。
In another preferred example, the multiple second protrusion is uniformly arranged on the periphery of second active region.
In another preferred example, the inner cavity of the pipettor active region and existing conventional the pipettor removably company of adaptation
It connects.
In another preferred example, the range of the pipettor gun head is 20-40 μ L；Preferably, 30 μ L.
In another preferred example, the liquid relief precision of the pipettor gun head is 0.3-0.8 μ L；Preferably, 0.5 μ L.
In another preferred example, the pipette tips are plastics pipette tips.
In another preferred example, the pipette tips are polypropylene pipette tips.
In another preferred example, it is equipped with scale marker in the outer surface of the pipette tips, person easy to operation reads the pipette tips institute
The approximate volume of the prepare liquid of absorption.
In another preferred example, the suction nozzle area, the liquid storage area, the transition region and the pipettor active region are same
Axis setting.
The major advantage of the utility model includes：
(a) pipettor gun head range is small, liquid relief precision is high；
(b) especially suitable for high-throughput, small size reaction system；
(c) simple in structure, it is elegant in shape；
(d) pipettor active region can be compatible with the high-throughput pipettor at liquid working station of current mainstream, need not weigh
New liquid working station is newly designed and built, reduces cost, and easy to spread.
It should be understood that in the scope of the utility model, above-mentioned each technical characteristic of the utility model and below (such as implementation
Example) in specifically describe each technical characteristic between can be combined with each other, to form a new or preferred technical solution.It is limited to
Length, not repeated them here.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art does and simply introduces, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the sectional view of the pipettor gun head in one example of the utility model.
Fig. 2 is the front view of the pipettor gun head in one example of the utility model.
Fig. 3 is the upward view of the pipettor gun head in one example of the utility model.
Fig. 4 is the stereogram of the pipettor gun head in one example of the utility model.
In each attached drawing, each mark is as follows：
1- suction nozzles area；
2- liquid storage areas；
3- transition regions；
4- pipettors active region；
31- First Transitions area；
The second transition regions of 32-；
The first protrusions of 33-；
The first active regions 41-；
The second active regions 42-；
The second protrusions of 43-.
Specific implementation mode
The present inventor after extensive and in-depth study, by largely screening, develops a kind of pipettor gun head for the first time, with
The prior art is compared, and the pipettor gun head of the utility model is particularly suitable for small volume and high-throughput experiment, simple in structure,
And structural strength is high, range is moderate, and liquid relief precision is high, and by taking range is this pipette tips of 30 μ L as an example, liquid relief precision is 0.5 μ L,
The utility model is completed on this basis.
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, attached drawing is schematic diagram, therefore utility model device and set
Standby is not limited by the size or ratio of the schematic diagram.
It should be noted that in the claim and specification of this patent, such as first and second or the like relationship
Term is only used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying
There are any actual relationship or orders between these entities or operation.Moreover, the terms "include", "comprise" or its
Any other variant is intended to non-exclusive inclusion so that including the processes of a series of elements, method, article or
Equipment includes not only those elements, but also includes other elements that are not explicitly listed, or further include for this process,
Method, article or the intrinsic element of equipment.In the absence of more restrictions, being wanted by what sentence " including one " limited
Element, it is not excluded that there is also other identical elements in the process, method, article or apparatus that includes the element.
Embodiment
The utility model provides pipettor gun head, it is a kind of pipettor gun head with specific structure.
The pipettor gun head of the present embodiment is as shown in Figs 1-4.The pipettor gun head of the present embodiment includes pipette tips ontology, the rifle
Head ontology from the bottom to top include suction nozzle area 1, liquid storage area 2, transition region 3, pipettor active region 4, this body by integral forming of pipette tips and
At.
Suction nozzle area 1 is tubulose, is connected with liquid storage area 2, and the internal diameter in suction nozzle area 1 is 0.4 mm -0.9 mm, to meet height
The apex angle α of liquid relief required precision, the inner cavity in suction nozzle area 1 is 1-30 °.Liquid storage area 2 is connected with transition region 3, internal diameter by upper and
Under be gradually reduced, the apex angle ss of the inner cavity of liquid storage area 2 is identical with α angular dimensions.Transition region 3 is connected to pipettor active region 4,
Including First Transition area 31 and the second transition region 32, the internal diameter in First Transition area 31 is smaller than the second transition region 32, and transition region 3 can
Reduce liquid and enter the probability of pipettor, prevent cross contamination, protect pipettor, First Transition area 31 and the second transition region 32 it
Between be equipped with 8 the first protrusions 33, facilitate the pipette tips of the utility model to be positioned in pipette tips box.Pipettor active region 4 includes first
The internal diameter of active region 41 and the second active region 42, the first active region 41 is more bigger than the internal diameter of the second active region 42, the second active region
42 internal diameter is more bigger than the internal diameter of transition region 3, and the outer wall of the second active region 42 is equipped with 6 the second protrusions 43, pipettor active region 4
Can be compatible with existing pipettor, while inserting the when of taking arms for automated fluid work station pipettor and mechanical support is provided, it protects
Liquid storage area 2 and suction nozzle area 1.
The internal diameter of pipette tips ontology is gradually increased from the bottom to top.The internal diameter of liquid storage area 2 is 0.8 mm-1.8 mm.First
The internal diameter of transition region 31 is the 1/3-2/3 of 32 internal diameter of the second transition region, preferably 2/5.The internal diameter of first active region 41 is than second
The big 0.5 mm-1.5 mm of internal diameter of active region 42.The pipette tips of the utility model are made of plastic material, preferably by polypropylene system
At.
For the pipettor gun head of the utility model by industrial design, setting range is 30 μ L, and liquid relief precision is 0.5 μ L, is fitted
Reaction system for small size, high-precision and high throughput.It, can be with current mainstream and by the design to pipettor active region
High-throughput liquid working station pipettor compatibility, need not redesign and build new liquid working station, reduce cost, and
It is easy to spread.
It is incorporated herein by reference in all documents that the utility model refers to, just as each document quilt
It is individually recited as reference.In addition, it should also be understood that, after having read the above-mentioned instruction content of the utility model, this field skill
Art personnel can make various changes or modifications the utility model, and such equivalent forms equally fall within the application appended claims
Book limited range.
Claims (10)
1. a kind of pipettor gun head, which is characterized in that including pipette tips ontology, the pipette tips ontology is integrated or is integrally formed
, and the pipette tips ontology is tubulose, the pipette tips ontology includes suction nozzle area, liquid storage area, transition region and pipettor from the bottom to top
The inner cavity of active region, the pipette tips ontology of tubulose is tapered configuration from top to bottom；
The height in the suction nozzle area is 7-10 mm, apex angle α, wherein 1 °≤α≤30 °, internal diameter is 0.4-0.9 mm；
The height of the liquid storage area is 30-35 mm, apex angle β, wherein 1 °≤β≤30 °, internal diameter is 0.8-1.8 mm；
The height of the transition region is 10-11 mm, and internal diameter is 1.8-5.4 mm；
The height of the pipettor active region is 5.4-5.8 mm, and internal diameter is 5.3-6.5 mm.
2. pipettor gun head according to claim 1, which is characterized in that α=β.
3. pipettor gun head according to claim 1, which is characterized in that the periphery of the transition region is uniformly arranged multiple
One protrusion.
4. pipettor gun head according to claim 3, which is characterized in that the transition region includes First Transition area and second
Transition region, wherein the First Transition area is fixedly connected with the liquid storage area, and second transition region is acted on the pipettor
Area is fixedly connected.
5. pipettor gun head according to claim 4, which is characterized in that the internal diameter in the First Transition area is described second
The 1/3-2/3 of transition region internal diameter.
6. pipettor gun head according to claim 4, which is characterized in that in the First Transition area and second transition
Middle transition section is equipped between area.
7. pipettor gun head according to claim 1, which is characterized in that the periphery of the pipettor active region is uniformly arranged
Multiple second protrusions.
8. pipettor gun head according to claim 7, which is characterized in that the pipettor active region includes the first active region
With the second active region, wherein first active region is fixedly connected with the transition region, second active region and described first
Active region is fixedly connected.
9. pipettor gun head according to claim 8, which is characterized in that the internal diameter of first active region is than described
Big 0.5-1.5 mm of internal diameter of two active regions.
10. pipettor gun head according to claim 8, which is characterized in that the multiple second protrusion is uniformly arranged on institute
On the periphery for stating the second active region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820136236.1U CN207913815U (en) | 2018-01-26 | 2018-01-26 | Pipettor gun head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820136236.1U CN207913815U (en) | 2018-01-26 | 2018-01-26 | Pipettor gun head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207913815U true CN207913815U (en) | 2018-09-28 |
Family
ID=63605563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820136236.1U Active CN207913815U (en) | 2018-01-26 | 2018-01-26 | Pipettor gun head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207913815U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499637A (en) * | 2019-01-27 | 2019-03-22 | 刘晓 | A kind of bent angle liquid relief plastics pipette tips |
| CN110075937A (en) * | 2018-01-26 | 2019-08-02 | 康码（上海）生物科技有限公司 | Pipettor gun head |
-
2018
- 2018-01-26 CN CN201820136236.1U patent/CN207913815U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110075937A (en) * | 2018-01-26 | 2019-08-02 | 康码（上海）生物科技有限公司 | Pipettor gun head |
| CN109499637A (en) * | 2019-01-27 | 2019-03-22 | 刘晓 | A kind of bent angle liquid relief plastics pipette tips |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: Building No. 12, 118 Lane, Furong Hualu, Pudong New Area, Shanghai, 201321 Patentee after: KANGMA-HEATHCODE (SHANGHAI) BIOTECH Co.,Ltd. Address before: 3rd Floor, No. 8 Building, 500 Lane, Furong Hualu, Pudong New Area, Shanghai, 201321 Patentee before: KANGMA-HEATHCODE (SHANGHAI) BIOTECH Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Pipette gun head Effective date of registration: 20200813 Granted publication date: 20180928 Pledgee: Bank of Nanjing Limited by Share Ltd. Shanghai branch Pledgor: KANGMA-HEATHCODE (SHANGHAI) BIOTECH Co.,Ltd. Registration number: Y2020980004969 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20180928 Pledgee: Bank of Nanjing Limited by Share Ltd. Shanghai branch Pledgor: KANGMA-HEATHCODE (SHANGHAI) BIOTECH Co.,Ltd. Registration number: Y2020980004969 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |