CN207324860U - A kind of micropipettor of anti-suck - Google Patents
A kind of micropipettor of anti-suck Download PDFInfo
- Publication number
- CN207324860U CN207324860U CN201721032098.4U CN201721032098U CN207324860U CN 207324860 U CN207324860 U CN 207324860U CN 201721032098 U CN201721032098 U CN 201721032098U CN 207324860 U CN207324860 U CN 207324860U
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- CN
- China
- Prior art keywords
- suck
- micropipettor
- connector
- suction nozzle
- connecting tube
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- 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.)
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Abstract
The utility model discloses a kind of micropipettor of anti-suck, including micropipettor body and suction nozzle, connecting tube and anti-suck connector are additionally provided between the micropipettor body and suction nozzle；The upper end of the connecting tube is connected with micropipettor body, and the lower end of connecting tube is connected with the upper end of anti-suck connector；The lower end of the anti-suck connector is connected with suction nozzle；The anti-suck connector is placed in suction nozzle, and cylinder shape groove is opened up on the inside of anti-suck connector, is filled with filter core in the groove, the outer surface of groove is equipped with some screw threads；The connecting tube lower end is equipped with some and matched screw thread of fluted external surface.The utility model can prevent liquid suck-back using the above structure, while play the role of air filtering and protection pipettor built-in system, so that it is guaranteed that being smoothed out for experiment process, avoids unnecessary economic loss.
Description
Technical field
The utility model belongs to biochemical test equipment technical field, and in particular to a kind of micropipette of anti-suck
Device.
Background technology
Micropipettor is a kind of precise liquid-fetching device (being commonly called as rifle) that can be arbitrarily adjusted in the range of certain capacity, be into
One of indispensable instrument of row biochemical test, relies primarily on moving up and down for device inner carrier, the displacement distance of gas piston is by adjusting
Section wheel control screw-rod structure realizes that promoting button drives catch bar to move down piston, excludes the gas in plunger shaft.Pine
After hand, piston sets back under the action of resetting spring, so as to complete an imbibition process.However, micropipettor is in reality
, often can be big due to tips resistance during the use of border, resorption is too fast to wait many reasons to cause liquid to suck pipetter system
Inside, causes pipettor to damage, and while influencing experiment process, brings unnecessary economic loss.
The content of the invention
In order to solve the above technical problems, the utility model provides a kind of micropipettor of anti-suck, using the above structure
It can prevent liquid suck-back, while play the role of air filtering and protection pipettor built-in system, so that it is guaranteed that experiment process
It is smoothed out, avoids unnecessary economic loss.
To achieve these goals, technical solution is used by the utility model：
A kind of micropipettor of anti-suck, including micropipettor body and suction nozzle, the micropipettor body and
Connecting tube and anti-suck connector are additionally provided between suction nozzle；The upper end of the connecting tube is connected with micropipettor body, connection
The lower end of pipe is connected with the upper end of anti-suck connector；The lower end of the anti-suck connector is connected with suction nozzle；
The anti-suck connector is placed in suction nozzle, opens up cylinder shape groove on the inside of anti-suck connector, in the groove
Filled with filter core, the outer surface of groove is equipped with some screw threads；The connecting tube lower end is equipped with some and fluted external surface and matches
The screw thread of conjunction.
Preferably, the outer surface of the anti-suck connector is evenly arranged with some first air holes on along the circumferential direction.
Preferably, one layer of first filter layer is both provided with each first air hole, and first filter layer
Material it is consistent with the material of filter core.
Preferably, several second air holes are offered on the bottom surface of the anti-suck connector.
Preferably, one layer of second filter layer is both provided with each second air hole, and second filter layer
Material it is consistent with the material of filter core.
Preferably, the shape of the anti-suck connector is cylindrical structural, and the diameter of the anti-suck connector is less than
The inside diameter of suction nozzle upper end.
Preferably, the anti-suck bond diameter is smaller 0.8~1.2mm than the inside diameter of suction nozzle upper end.
Preferably, the filter core is made of ultra high molecular polyethylene material.
Preferably, the anti-suck connector and connecting tube are made of PP plastic materials.
The utility model compared with prior art, has the advantages that：
The utility model adds suck-back device in micropipettor, is made of anti-suck connector and connecting tube.Its
In, anti-suck connector is connected by connecting tube by the thread fitting of lower end with micropipettor, meanwhile, anti-suck connector is placed on
In suction nozzle, inside is provided with groove, and filter core is provided with groove, plays the role of hydrophobic and liquid suck-back when in use, at the same time
It can be filtered by air, and to it, so that protecting the built-in system of pipettor will not damage because liquid is flow backwards, really
Being smoothed out for experiment process has been protected, unnecessary economic loss has been avoided, there is higher market value and practical prospect.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the scheme of installation of the utility model；
Fig. 3 is the schematic enlarged-scale view at I in Fig. 2.
Shown in figure：1st, anti-suck connector, 2, filter core, 3, connecting tube, 4, suction nozzle, 5, micropipettor body.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
As shown in Figures 1 to 3, the utility model embodiment provides a kind of micropipettor of anti-suck, including micropipette
Device 5 and suction nozzle 4, further include including anti-suck connector 1 and connecting tube 3, are additionally provided between micropipettor body 5 and suction nozzle 4
Connecting tube 3 and anti-suck connector 1, wherein, the upper end of connecting tube 3 is connected with micropipettor body 5, the lower end of connecting tube 3
It is connected with the upper end of anti-suck connector 1；The lower end of anti-suck connector 1 is connected with suction nozzle 4.
Referring to shown in Fig. 1 to 2, in the present embodiment, anti-suck connector 1 is placed in suction nozzle 4, the inner side of anti-suck connector 1
Some cylinder shape grooves (not indicated in figure) are opened up, are filled with filter core 2 in the groove, the outer surface of groove is equipped with some spiral shells
Line (does not indicate) in figure, and 3 lower end of connecting tube is equipped with some and matched screw thread of fluted external surface,
3 upper end of connecting tube is inserted into micropipettor 5.
Referring to shown in Fig. 2 to 3, as the optimization of the utility model, the outer surface of anti-suck connector 1 along the circumferential direction on
Some first air holes are evenly arranged with, one layer of first filter layer, and described are both provided with each first air hole
The material of one filter layer is consistent with the material of filter core；Several the second air holes are offered on the bottom surface of anti-suck connector, often
One layer of second filter layer, and the material of second filter layer and the material one of filter core are both provided with one second air hole
Cause., can be true by offering air hole (the first air hole and the second air hole) in the outer surface of anti-suck connector 1 and bottom surface
The good air permeability of micropipettor is protected, by setting filter layer (the in the air hole (the first air hole and the second air hole)
One filter layer and the second filter layer) it can further improve the effect of filtering.
It is shown in Figure 3, further optimize the present embodiment, the shape of the anti-suck connector 1 is cylindrical structural, and institute
The diameter for stating anti-suck connector 1 is less than the inside diameter of 4 upper end of suction nozzle, in the present embodiment, the preferred diameter ratio of anti-suck connector 1
The small 0.8-1.2mm of inside diameter of 4 upper end of suction nozzle, easy to integral installation micropipettor.
In the present embodiment, filter core 2 is made of ultra high molecular polyethylene material, ensure that the effect of filtering, anti-suck
Connector 1 and connecting tube 3 are made of PP plastic materials, it is ensured that the whole service life of the micropipettor of anti-suck, suction nozzle 4
For blue suction nozzle, can play the role of easy to classification.
The utility model adds suck-back device in micropipettor, is made of anti-suck connector 1 and connecting tube 3.
Wherein, anti-suck connector 1 is connected by connecting tube 3 by the thread fitting of lower end with micropipettor 5, and anti-suck connector 1 is placed
In suction nozzle, inside is provided with groove, and filter core 2 is provided with groove, plays the role of hydrophobic and liquid suck-back when in use, together
When can be filtered by air, and to it so that protect pipettor built-in system will not because liquid flow backwards and damage,
It ensure that being smoothed out for experiment process, avoid unnecessary economic loss, there is higher market value and practical prospect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (9)
1. a kind of micropipettor of anti-suck, including micropipettor body (5) and suction nozzle (4), it is characterised in that：It is described micro-
Connecting tube (3) and anti-suck connector (1) are additionally provided between amount pipettor body (5) and suction nozzle (4)；The connecting tube (3) it is upper
End is connected with micropipettor body (5), and the lower end of connecting tube (3) is connected with the upper end of anti-suck connector (1)；It is described anti-
The lower end of suck-back connector (1) is connected with suction nozzle (4)；
The anti-suck connector (1) is placed in suction nozzle (4), and cylinder shape groove is opened up on the inside of anti-suck connector (1), described recessed
Filter core (2) is filled with groove, the outer surface of groove is equipped with some screw threads；Connecting tube (3) lower end is equipped with some and groove
The matched screw thread in outer surface.
A kind of 2. micropipettor of anti-suck according to claim 1, it is characterised in that：The anti-suck connector (1)
Outer surface some first air holes are evenly arranged with along the circumferential direction.
A kind of 3. micropipettor of anti-suck according to claim 2, it is characterised in that：Each first air hole
In be both provided with one layer of first filter layer, and the material of first filter layer is consistent with the material of filter core (2).
A kind of 4. micropipettor of anti-suck according to claim 1 or 2, it is characterised in that：The anti-suck connector
(1) several the second air holes are offered on bottom surface.
A kind of 5. micropipettor of anti-suck according to claim 4, it is characterised in that：Each second air hole
In be both provided with one layer of second filter layer, and the material of second filter layer is consistent with the material of filter core (2).
A kind of 6. micropipettor of anti-suck according to claim 1, it is characterised in that：The anti-suck connector (1)
Shape be cylindrical structural, and the diameter of the anti-suck connector (1) is less than the inside diameter of suction nozzle (4) upper end.
A kind of 7. micropipettor of anti-suck according to claim 6, it is characterised in that：It is described:Anti-suck connector (1)
Diameter is smaller 0.8~1.2mm than the inside diameter of suction nozzle (4) upper end.
8. the micropipettor of a kind of anti-suck according to claim 1, it is characterised in that the filter core (2) is using super
High molecular polythene material is made.
A kind of 9. micropipettor of anti-suck according to claim 1, it is characterised in that the anti-suck connector (1)
It is made with connecting tube (3) of PP plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721032098.4U CN207324860U (en) | 2017-08-17 | 2017-08-17 | A kind of micropipettor of anti-suck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721032098.4U CN207324860U (en) | 2017-08-17 | 2017-08-17 | A kind of micropipettor of anti-suck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207324860U true CN207324860U (en) | 2018-05-08 |
Family
ID=62372827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721032098.4U Expired - Fee Related CN207324860U (en) | 2017-08-17 | 2017-08-17 | A kind of micropipettor of anti-suck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207324860U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110975956A (en) * | 2019-12-24 | 2020-04-10 | 武汉启程嘉辉科技有限公司 | Anti-suck-back electronic pipettor |
| CN112044480A (en) * | 2019-06-05 | 2020-12-08 | 上海唯问生物技术有限公司 | Novel micropipettor |
| CN112295627A (en) * | 2019-08-02 | 2021-02-02 | 上海唯问生物技术有限公司 | Novel micropipettor |
-
2017
- 2017-08-17 CN CN201721032098.4U patent/CN207324860U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112044480A (en) * | 2019-06-05 | 2020-12-08 | 上海唯问生物技术有限公司 | Novel micropipettor |
| CN112295627A (en) * | 2019-08-02 | 2021-02-02 | 上海唯问生物技术有限公司 | Novel micropipettor |
| CN110975956A (en) * | 2019-12-24 | 2020-04-10 | 武汉启程嘉辉科技有限公司 | Anti-suck-back electronic pipettor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20200817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |