CN208729975U - Vacuum type micro-fluidic chip punch - Google Patents
Vacuum type micro-fluidic chip punch Download PDFInfo
- Publication number
- CN208729975U CN208729975U CN201820993429.9U CN201820993429U CN208729975U CN 208729975 U CN208729975 U CN 208729975U CN 201820993429 U CN201820993429 U CN 201820993429U CN 208729975 U CN208729975 U CN 208729975U
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- China
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- upper cover
- cover part
- punching
- fluidic chip
- vacuum
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Abstract
Vacuum type micro-fluidic chip punch, it include punch main body, the punch main body includes upper cover part and punching portion in split settings, it is connected to and is connected through a screw thread inside the upper cover part and the punching portion, the punching portion is connected with punching syringe needle far from one end of upper cover part, and the punching syringe needle is connected in hollow setting and with the inside in the punching portion；The upper cover part is connected with vacuum plant far from the side in punching portion, the vacuum plant is connect by connecting tube with the upper cover part, the vacuum plant is connected with the switch for controlling the vacuum plant work, and the upper cover part is additionally provided with the filter screen for filtering residue；The air-flow for forming negative pressure in punch main body by vacuum plant makes perforating needle be adsorbed on micro-fluidic chip and suck the residue of punching generation in punch main body, improves the efficiency of micro-fluidic chip punching.
Description
Technical field
The utility model, which relates to, belongs to micro fluidic chip technical field, in particular to a kind of vacuum type micro-fluidic chip punching
Device.
Background technique
Micro-fluidic chip (Microfluidic chip) is current micro-total analysis system (Miniaturized Total
Analysis Systems) development hot fields.Microfluidic chip analysis is using chip as operating platform, while with analytical chemistry
Based on, it is to rely on micro electro mechanical processing technology, is main application at present with life science using microchannel network as structure feature
Object is the emphasis of current micro-total analysis system field development.Its target is the function entire laboratory, including sampling,
Dilution, reagent adding, reaction, separation, detection etc. are integrated on microchip, and can be used for multiple times.
PDMS (dimethyl silicone polymer) is commonly used in soft micro-fluidic chip as a kind of the macromolecule organic silicon compound,
It has optical clear, and under normal circumstances, it is considered to be inertia, it is nontoxic, and it is nonflammable, it uses and is included in bio-microelectromechanical
In micro sprue system and other micro-fluidic fields.
Due to the special nature of PDMS chip, it is desirable to micro-fluidic chip be played its special function, needed on chip
Sample is introduced into chip internal channel by conduit or other modes again after punching, but PDMS is easy deformation, usually in punching
There is the problems such as crooked, breach, remain disintegrating slag in hole, there are improvements for the prior art.
Utility model content
In order to solve the above technical problems, passing through vacuum holding the utility model proposes vacuum type micro-fluidic chip punch
It sets and forms the residue suction that the air-flow of negative pressure is adsorbed in perforating needle on micro-fluidic chip and generates punching in punch main body
Enter in punch main body, improves the efficiency of micro-fluidic chip punching.
In order to achieve the above objectives, the technical solution of the utility model is as follows: vacuum type micro-fluidic chip punch includes
Punch main body, the punch main body include upper cover part and punching portion in split settings, the upper cover part and the punching
It is connected to and is connected through a screw thread inside portion, the punching portion is connected with punching syringe needle, the perforating needle far from one end of upper cover part
Head is connected in hollow setting and with the inside in the punching portion；The upper cover part is connected with vacuum holding far from the side in punching portion
It sets, the vacuum plant is connect by connecting tube with the upper cover part, and the vacuum plant is connected with for controlling the vacuum
The switch of device work, the upper cover part are additionally provided with the filter screen for filtering residue.
The utility model is further arranged to: the punching portion is provided with close to the outside of the punching syringe needle convenient for grasping
Handling section, gather in the handling section and be provided with bumping square.
The utility model is further arranged to: the screw thread is the internal screw thread being provided in the punching portion.
The utility model is further arranged to: the punching portion is provided with circlip, the punching far from one end of upper cover part
Syringe needle includes needle holder and the perforating needle that is fixed in the needle holder, and the needle holder, which corresponds to circlip and is provided with, to be used for
Squeeze the circlip button of the circlip.
The utility model is further arranged to: the perforating needle being fixed in the needle holder prolongs towards the upper cover part side
Stretch setting.
The utility model is further arranged to: the perforating needle is provided with the cutting of chamfered structure far from upper cover part one end
End.
The utility model is further arranged to: the filter screen is detachably set in the upper cover part.
The utility model is further arranged to: the vacuum plant is the vacuum diaphragm pump connecting with the connecting tube.
In conclusion the utility model has the effect that
1, processing through-hole in micro-fluidic chip by punch can guarantee that duct is vertical, and hole wall is smooth and does not have Remaining debris；
2, due to punch in punching there are vacuum plant, can will need to punch pin position and be adsorbed at punching and solid
It is fixed, it not will cause hole splitting；
3, residue can be drawn onto the inside in punching portion by punch after drilling, guaranteed chip and station cleaning, efficiently saved
When；
4, user can be replaced different punching syringe needles according to pore size, only need since syringe needle holder structure is identical
The perforating needle of different-diameter size is preset, in needle holder convenient for the processing of different pore size；
5, the structure of punch is simple, at low cost, and batch production is easy.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described.
Fig. 1 is the overall structure diagram of vacuum type micro-fluidic chip punch；
Fig. 2 is the main part cross-sectional view of vacuum type micro-fluidic chip punch；
Fig. 3 is the structural schematic diagram of filter screen.
In figure: 1, punch main body；11, punching portion；111, bumping square；112, circlip button；12, upper cover part；121,
Filter screen；13, internal screw thread；2, syringe needle is punched；21, needle holder；22, perforating needle；221, cut end；3, vacuum plant；4, it connects
Pipe；5, it switchs.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, Figure 2 and Figure 3, vacuum type micro-fluidic chip punch includes punch main body 1, is arranged and is beating
Punching syringe needle 2 in hole device main body 1, the connecting tube 4 connecting with punch main body 1 and pass through connecting tube 4 and punch main body 1
The vacuum plant 3 of connection；Punch main body 1 includes punching portion 11 and upper cover part 12 in split type setting, upper cover part 12 and even
Adapter tube 4 is connected and is connect by connecting tube 4 with vacuum plant 3, and one of punching portion 11 far from upper cover part 12 is arranged in punching syringe needle 2
End, punching syringe needle 2 includes needle holder 21 and the perforating needle being fixed in needle holder 21 22, during perforating needle 22 is in this programme
Sky is arranged and is connected to the inside in punching portion 11, upper cover part 12, and vacuum plant 3 makes punching portion 11, upper cover part by connecting tube 4
12 inside forms negative pressure, is adsorbed in perforating needle 22 on micro-fluidic chip by the negative pressure of 22 end of perforating needle；Vacuum plant
33 pass through 5 independent control of switch.
Further, punching portion 11 is provided with the handling section convenient for grasping close to the outside of punching syringe needle 2, close in handling section
Cloth is provided with bumping square 111, improves stability when user's grasping, duct skew caused by avoiding in punching because of sliding.
Further, it is connected through a screw thread between upper cover part 12 and punching portion 11, the screw thread in this programme is to be provided with to beat
Internal screw thread 13 in hole portion 11, to improve the tightness between upper cover part 12 and punching portion 11.
Further, punching portion 11 is provided with circlip far from one end of upper cover part 12, and punching syringe needle 2 includes needle holder 21
With the perforating needle 22 being fixed in needle holder 21, the corresponding circlip of needle holder 21 is provided with the circlip button for squeezing circlip
112, needle holder 21 is connected in punching portion 11 by circlip and replaces perforating needle 22 convenient for user, in actual use user
It can be directly replaced when presetting through-hole of the perforating needle 22 of different-diameter in order to process different-diameter in needle holder 21.
Further, the perforating needle 22 being fixed in needle holder 21 is extended towards 12 side of upper cover part, avoids punching
Residue in portion 11 is again introduced into perforating needle 22, avoids perforating needle 22 stuck.
Further, perforating needle 22 is provided with the cut end 221 of chamfered structure, cut end far from 12 one end of upper cover part
221 while facilitate punch operation it is also ensured that duct inner wall smooth.
Further, filter screen 121 is detachably set in upper cover part 12.
Further, vacuum plant 3 is the vacuum diaphragm pump connecting with connecting tube 4.
Specific implementation process:
User will punch syringe needle 2, upper cover part 12, punching portion 11, connecting tube 4 and the combination of vacuum plant 3 and form vacuum type
Micro-fluidic chip punch connects each section in use process, vacuum plant 3 is opened by switch 5, by perforating needle 22
It is directed at the punch position of micro-fluidic chip, is extracted after firmly pressing slightly, subsequent machining operations are carried out；
4 one end of connecting tube: being attached by assembling process with vacuum plant 3 first, and the other end is connect with upper cover part 12, on
It is screwed with punching portion 11 by internal screw thread 13 after installing filter screen 121 in cover 12, according to the aperture of processing micro-fluidic chip
Size selects suitable perforating needle 22 to be fixed on the front end in punching portion 11 with circlip again；
Drill process: opening vacuum plant 3, holds on anti-skidding bumping square 111, is directed at the target hole of micro-fluidic chip
Place's fitting, perforating needle 22 can adsorb micro-fluidic chip at this time, keep punch column vertical and press punch main body 1, beat
Kong Hou, residue can suck in punching portion 11, extract the punching that syringe needle carries out next target again；
Scarfing cinder process: after processing micro-fluidic chip, upper cover part 12 is unscrewed, the residue sucked in punching portion 11 is fallen
Fall, and clean filter screen 121, is not necessarily to cleaning operation platform.
It should be pointed out that for those of ordinary skill in the art, before not departing from the concept of the present invention
It puts, various modifications and improvements can be made, and these are all within the protection scope of the present invention.
Claims (8)
1. vacuum type micro-fluidic chip punch, which is characterized in that it include punch main body (1), the punch main body (1)
Include upper cover part (12) and punching portion (11) in split settings, is connected to inside the upper cover part (12) and the punching portion (11)
And be connected through a screw thread, the punching portion (11) is connected with punching syringe needle (2), the perforating needle far from the one end of upper cover part (12)
Head (2) is connected in hollow setting and with the inside of the punching portion (11)；The one of the upper cover part (12) separate punching portion (11)
Side is connected with vacuum plant (3), and the vacuum plant (3) is connect by connecting tube (4) with the upper cover part (12), the vacuum
Device (3) is connected with the switch (5) for controlling the vacuum plant (3) work, and the upper cover part (12), which is additionally provided with, to be used for
Filter the filter screen (121) of residue.
2. vacuum type micro-fluidic chip punch according to claim 1, which is characterized in that the punching portion (11) is close
The outside of punching syringe needle (2) is provided with the handling section convenient for grasping, gathers in the handling section and is provided with bumping square
(111)。
3. vacuum type micro-fluidic chip punch according to claim 1 or 2, which is characterized in that the screw thread is to open up
Internal screw thread (13) on the punching portion (11).
4. vacuum type micro-fluidic chip punch according to claim 3, which is characterized in that the punching portion (11) is separate
One end of upper cover part (12) is provided with circlip, and the punching syringe needle (2) includes needle holder (21) and is fixed at the needle
Perforating needle (22) on headstock (21), the corresponding circlip of the needle holder (21) are provided with the circlip button for squeezing the circlip
(112)。
5. vacuum type micro-fluidic chip punch according to claim 4, which is characterized in that be fixed on the needle holder
(21) perforating needle (22) on is extended towards the upper cover part (12) side.
6. vacuum type micro-fluidic chip punch according to claim 5, which is characterized in that the perforating needle (22) is separate
Upper cover part (12) one end is provided with the cut end (221) of chamfered structure.
7. vacuum type micro-fluidic chip punch according to claim 1 or 2, which is characterized in that the filter screen (121)
It is detachably set in the upper cover part (12).
8. vacuum type micro-fluidic chip punch according to claim 1 or 2, which is characterized in that the vacuum plant (3)
For the vacuum diaphragm pump being connect with the connecting tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820993429.9U CN208729975U (en) | 2018-06-26 | 2018-06-26 | Vacuum type micro-fluidic chip punch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820993429.9U CN208729975U (en) | 2018-06-26 | 2018-06-26 | Vacuum type micro-fluidic chip punch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208729975U true CN208729975U (en) | 2019-04-12 |
Family
ID=66024359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820993429.9U Expired - Fee Related CN208729975U (en) | 2018-06-26 | 2018-06-26 | Vacuum type micro-fluidic chip punch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208729975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126017A (en) * | 2019-06-05 | 2019-08-16 | 浙江索凡胶粘制品有限公司 | Sticky label paper processing technology |
-
2018
- 2018-06-26 CN CN201820993429.9U patent/CN208729975U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126017A (en) * | 2019-06-05 | 2019-08-16 | 浙江索凡胶粘制品有限公司 | Sticky label paper processing technology |
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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: 20190412 Termination date: 20210626 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |