CN209564999U - A kind of bent angle liquid relief plastics pipette tips - Google Patents
A kind of bent angle liquid relief plastics pipette tips Download PDFInfo
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- CN209564999U CN209564999U CN201920136419.8U CN201920136419U CN209564999U CN 209564999 U CN209564999 U CN 209564999U CN 201920136419 U CN201920136419 U CN 201920136419U CN 209564999 U CN209564999 U CN 209564999U
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- pipette tips
- cavity
- bent angle
- resorption
- liquid relief
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Abstract
The utility model discloses a kind of bent angle liquid relief plastics pipette tips, including pipette tips ontology and filter core；The pipette tips ontology includes cavity of resorption, upper cylinder and connecting cavity connecting the two composition, and three is structure as a whole, and the filter core is arranged in the cavity of resorption inner cavity；The beneficial effects of the utility model are, the liquid transfer gun head of the utility model is compared during each liquid separation using original classical straight pipette tips, operational motion more adapts to artificial engineering principles, operating process is more easy and convenient, it is particularly suitable for needing the experiment of the artificial pipetting of various long-times, guarantees the aseptic result during various pipettings；The liquid transfer gun head of the utility model is arranged using bent angle, and after facilitating forced draft to pull away from oral cavity, immediately under the adjustment of such bent angle pipette tips, rapidly downwards, under the protection of mask, inlet port suction pipe carries out subsequent various accurate pipettings.
Description
Technical field
The utility model relates to biology and medicine technology field, especially a kind of bent angle liquid relief plastics pipette tips.
Background technique
Pipetting is one of mode of operation most basic in biomedical activity, and current operation mainly passes through various
The mating pipettor plastics pipette tips of pipettor (rifle), carry out various types of related liquids and pipette, in preparation experiment clinical event
Various drops, wherein because being limited to previous liquid transfer gun head shape, all straights are brought in actual use
Problem.Such as in various pipetting processes, in order to guarantee the precision of pipetting volume, liquid relief movement must keep specification vertical, because
All pipettor gun heads are all straights, and operator in all pipetting processes is just forced all pipettor must to be kept vertical,
Can guarantee that matched pipettor gun head is vertical, so guarantee in pipettor gun head accurately to pipette liquid volume unaffected.But
In a large amount of long period of operation, operator leads to arm part DOMS to keep this special vertically-acting, it is long-term and
Speech, causes the various problems such as muscular strain, aponeurositis, how to face and solves the problems, such as it is that we have to one considered.And
And this vertical operation is easy to cause in operating process, is pipetted liquid entrance and is pipetted object (such as test tube, culture dish or each orifice plate)
When, it pipettes the brings dusts such as various pipettors, pipette tips, the arm above object and falls into, lead to various pollutions.Separately in laboratory
It during liquid pipettes, is not necessarily to pipettor, in many pipettings, because operator's both hands have been set operating remaining
It is standby, such as surgical instrument or microscope, micromanipulation system, pipettor is operated without hand, it is common a kind of here
Method is to carry out all kinds of pipettings with the mating various pipettor gun heads of mouth suction pipe, but in biomedical laboratory, need
Keeping the sterile environment of high-cleanness, high, mask is conventional when becoming operation to use article, but in mouth suction pipe use process, if
With the common straight pipette tips operation connect on mouth suction pipe is sucked, mask will be jacked up by pipette tips and leather hose, it is difficult to be guaranteed sterile
Effect, and long-time operation, oral cavity muscle is also relatively elaborate, and the problems in this practical mouth suction pipe pipetting process is also anxious
It needs to solve.
Utility model content
1. the technical issues that need to address
The purpose of this utility model is to provide a kind of bent angle liquid relief plastics pipette tips, by previous operator from for a long time
Mechanical pipetting is easy to cause in the operation of the problems such as muscular fatigue, aponeurosis (aponeuroses) strain and frees repeatedly, also solves vertical behaviour
Various pollutions caused by top dust caused by work is fallen, and for the various mouth suction pipe pipettings for needing liquid transfer gun head
It is more convenient efficiently to ensure that a mouthful aseptic result for suction pipe pipetting, it is more easily accurate.
2. technical solution
To achieve the goals above, the technical solution of the utility model is: a kind of bent angle liquid relief plastics pipette tips, including pipette tips
Ontology and filter core；The pipette tips ontology is half-headed cavity body structure；The pipette tips ontology includes both cavity of resorption, upper cylinder and connection
Connecting cavity composition, and three is structure as a whole；The cavity of resorption is half-headed circular cone cavity body structure, and the upper cylinder is upper big
Under small tubular structure, the connecting cavity is up big and down small and axis is arc-shaped tubular structure；The cavity of resorption top surface and institute
Stating the angle between cylinder bottom surface is acute angle；The filter core is PE filter core, and the filter core is arranged in the cavity of resorption inner cavity, and
And the distance between the filter core bottom surface and the cavity of resorption bottom l are 32mm.
Above-mentioned bent angle liquid relief plastics pipette tips, wherein the angle α between the cavity of resorption top surface and the upper cylinder bottom surface is
45°。
Above-mentioned bent angle liquid relief plastics pipette tips, wherein the upper cylinder top surface outer diameter D is 7mm.
Above-mentioned bent angle liquid relief plastics pipette tips, wherein between the upper cylinder end face center and the connecting cavity center away from
It is 13mm from h.
Above-mentioned bent angle liquid relief plastics pipette tips, wherein the distance between the cavity of resorption bottom and the connecting cavity center H is
40mm。
Above-mentioned bent angle liquid relief plastics pipette tips, wherein the pipette tips ontology is using polypropylene material, polythene material or gathers
One of tetrafluoroethene is made.
Above-mentioned bent angle liquid relief plastics pipette tips, wherein extend radially outward to form thickening part at the top of the upper cylinder.
Above-mentioned bent angle liquid relief plastics pipette tips, wherein the upper barrel thickness is 1mm, and cavity of resorption wall thickness is 2mm.
3. beneficial effect
In conclusion the utility model has the beneficial effects that:
(1) liquid transfer gun head of the utility model is compared during each liquid separation using original classical straight pipette tips,
Operational motion more adapts to artificial engineering principles, and operating process is more easy and convenient, is particularly suitable for needing various long-times
The experiment of artificial pipetting, guarantees the aseptic result during various pipettings；
(2) liquid transfer gun head of the utility model is arranged using bent angle, after facilitating forced draft to pull away from oral cavity, exists immediately
Under the adjustment of such bent angle pipette tips, rapidly downwards, under the protection of mask, inlet port suction pipe carries out subsequent various accurate liquid reliefs
Operation；
(3) the liquid transfer gun head middle section of the utility model is equipped with filter core, guarantees in liquid relief use process, because of pipettor piston
When the air-flow that movement generates passes through the pipette tips, the attached air-flow of bacterium for preventing pipettor part from adhering to is brought by the pipette tips to be prepared
In the drop come, guarantee prepares the sterile working during drop.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of bent angle liquid relief plastics pipette tips of the utility model.
Fig. 2 is a kind of side view of bent angle liquid relief plastics pipette tips of the utility model.
In figure: 1- pipette tips ontology, 101- cavity of resorption, the upper cylinder of 102-, 103- connecting cavity, 2- filter core.
Specific embodiment
It please refers to shown in attached drawing 1 to attached drawing 2, a kind of bent angle liquid relief plastics pipette tips, including pipette tips ontology 1 and filter core 2；It is described
Pipette tips ontology 1 is half-headed cavity body structure；The pipette tips ontology 1 includes cavity of resorption 101, upper cylinder 102 and connection connecting the two
Chamber 103 forms, and three is structure as a whole；The cavity of resorption 101 is half-headed circular cone cavity body structure, and the upper cylinder 102 is
Up big and down small tubular structure, the connecting cavity 103 are that up big and down small and axis is arc-shaped tubular structure；The cavity of resorption
Angle between 101 top surfaces and 102 bottom surface of upper cylinder is acute angle；The filter core 2 is PE filter core, and the filter core 2 is arranged
In 101 inner cavity of cavity of resorption, and the distance between 2 bottom surface of the filter core and 101 bottom of cavity of resorption are 32mm.
Angle between 101 top surface of cavity of resorption and 102 bottom surface of upper cylinder is 45 °, and such arm can be protected with human body
Comfortable 45° angle is held, arm can also keep consistent under normal physiological conditions with the palm of pipettor and mating pipette tips is kept, with
Movement posture when human normal holds conventional pipettor matches.
The 102 top surface outer diameter of upper cylinder is 7mm, and upper 102 top surface of the cylinder use changes size and can satisfy most of liquid relief
The use of rifle.
The distance between 102 end face center of upper cylinder and 103 center of connecting cavity are 13mm, 101 bottom of cavity of resorption
The distance between portion and 103 center of connecting cavity are 40mm.
The pipette tips ontology 1 is made of one of polypropylene material, polythene material or polytetrafluoroethylene (PTFE).
It extends radially outward to form thickening part 104 at the top of the upper cylinder 102, described add is set at the top of the upper cylinder 102
Thick portion 104 can be improved the Anti -collapse ability of the entire pipette tips ontology 1, the pipette tips ontology 1 avoided to damage.
102 wall thickness of upper cylinder is 1mm, and 101 wall thickness of cavity of resorption is 2mm, and 103 wall thickness of connecting cavity is the upper cylinder 102
With the transition of 101 wall thickness of cavity of resorption.
When use: upper 102 top card of cylinder is contained on liquid-transfering gun, and through the lip up and down of liquid-transfering gun, or
The thickening part 104 is bitten by front tooth above and below liquid-transfering gun, completes the fixed installation of the pipette tips ontology 1, is then turned on described
Liquid-transfering gun completes accurate liquid relief by the upper cylinder 102, and liquid passes through the connecting cavity 103 and filter core 2 later, under described
Chamber 101 realizes sterile liquid relief.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Any equivalent structural transformation made using the contents of the description of this utility model is directly or indirectly related with other are attached to
The technical field of product, liquid transfer gun head, pipette, suction pipe, tubule including various specifications size etc., is similarly included in this reality
With in novel scope of patent protection.
Claims (9)
1. a kind of bent angle liquid relief plastics pipette tips, it is characterised in that: including pipette tips ontology (1) and filter core (2)；The pipette tips ontology
It (1) is half-headed cavity body structure；The pipette tips ontology (1) includes cavity of resorption (101), upper cylinder (102) and connection connecting the two
Chamber (103) composition, and three is structure as a whole；It is characterized by: the cavity of resorption (101) is half-headed circular cone cavity knot
Structure, the upper cylinder (102) are up big and down small tubular structure, and the connecting cavity (103) is that up big and down small and axis is arc-shaped
Tubular structure；Angle between cavity of resorption (101) top surface and the upper cylinder (102) bottom surface is acute angle；The filter core (2) is
PE filter core, and the filter core (2) is arranged in the cavity of resorption (101) inner cavity, and the filter core (2) bottom surface and the cavity of resorption
(101) the distance between bottom is 32mm.
2. a kind of bent angle liquid relief plastics pipette tips according to claim 1, it is characterised in that: cavity of resorption (101) top surface with
Angle between upper cylinder (102) bottom surface is 45 °.
3. a kind of bent angle liquid relief plastics pipette tips according to claim 1, it is characterised in that: outside upper cylinder (102) top surface
Diameter is 7mm.
4. a kind of bent angle liquid relief plastics pipette tips according to claim 1, it is characterised in that: in upper cylinder (102) top surface
The distance between the heart and the connecting cavity (103) center are 13mm.
5. a kind of bent angle liquid relief plastics pipette tips according to claim 1, it is characterised in that: cavity of resorption (101) bottom with
The distance between described connecting cavity (103) center is 40mm.
6. a kind of bent angle liquid relief plastics pipette tips according to claim 1, it is characterised in that: the pipette tips ontology (1) uses
One of polypropylene material, polythene material or polytetrafluoroethylene (PTFE) are made.
7. a kind of bent angle liquid relief plastics pipette tips according to claim 1, it is characterised in that: edge at the top of the upper cylinder (102)
It extends radially outwardly to form thickening part (104).
8. a kind of bent angle liquid relief plastics pipette tips according to claim 1, it is characterised in that: the upper barrel thickness is 1mm, under
Cavity wall thickness is 2mm.
9. a kind of bent angle liquid relief plastics pipette tips according to claim 1, it is characterised in that: cavity of resorption (101) top surface with
Angle between upper cylinder (102) bottom surface is acute angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920136419.8U CN209564999U (en) | 2019-01-27 | 2019-01-27 | A kind of bent angle liquid relief plastics pipette tips |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920136419.8U CN209564999U (en) | 2019-01-27 | 2019-01-27 | A kind of bent angle liquid relief plastics pipette tips |
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| CN209564999U true CN209564999U (en) | 2019-11-01 |
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Cited By (1)
| 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 |
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2019
- 2019-01-27 CN CN201920136419.8U patent/CN209564999U/en active Active
Cited By (1)
| 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 |
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