CN206334685U - A kind of micro-fluid chip - Google Patents
A kind of micro-fluid chip Download PDFInfo
- Publication number
- CN206334685U CN206334685U CN201621397650.5U CN201621397650U CN206334685U CN 206334685 U CN206334685 U CN 206334685U CN 201621397650 U CN201621397650 U CN 201621397650U CN 206334685 U CN206334685 U CN 206334685U
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- China
- Prior art keywords
- transparent pipe
- fixed
- micro
- lower transparent
- substrate
- 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.)
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Abstract
The utility model discloses a kind of micro-fluid chip, including substrate, cover plate, sensing chamber is provided with substrate, the microchannel connected with sensing chamber is provided with substrate, the outer wall of substrate is provided with the import connected with microchannel, it is provided with cover plate on the venthole connected with sensing chamber, cover plate and is fixed with air intake valve.Its advantage is：It is practical, easy to use.
Description
Technical field
The utility model is related to a kind of micro-fluid chip.
Background technology
At present, hospital is general to use slide as carrier when being detected to blood sample or humoral sample, will
Blood sample or humoral sample are applied to above, are operated cumbersome.In view of this, Chinese patent
201521129180.X provides a kind of micro-fluid chip, is repeatedly connected to glass substrate layer, intermediate layer and upper lid successively from the bottom up
Layer, the glass substrate layer, intermediate layer are engaged the annular fluid channel for defining closing and sensing chamber with upper cap rock, described micro-
Runner is located at the outside of sensing chamber, and is connected with sensing chamber, and the upper cap rock side is provided with the fluid injection connected with fluid channel
Mouthful, the upper cap rock is provided with steam vent in the other end of fluid channel.It is simple to operate using the technical scheme of the utility model, can
With the convenient area for calculating detection sample, quick detection is realized, it is as a result more accurate；By setting steam vent so as to be measured
The flow resistance of fluid reduces, and flowing more rapidly, realizes Fast Filling sensing chamber, improves efficiency；For blood sample, test
Time length will not also cause blood rapid solidification, improve the accuracy of test result；Material is easy to get, and makes simple, reduces
Cost.But steam vent is provided with the utility model so that blood for a long time and air contact, is easily infected by bacterial, practicality
Difference.
Utility model content
Problem to be solved in the utility model is to provide a kind of practical, easy to use micro-fluid chip.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of micro-fluid chip, including base
Be provided with plate, the cover plate for being movably arranged on the surface, the substrate on sensing chamber, the substrate be provided with it is described
The microchannel of sensing chamber's connection, the outer wall of the substrate is provided with the import connected with the microchannel, the cover plate and set
There is the venthole connected with the sensing chamber, it is characterised in that be fixed with air intake valve on the cover plate；The air intake valve bag
Include and be fixed on lower transparent pipe connect at the top of the cover plate and with the venthole, be fixed on the lower transparent pipe top and with institute
State the upper transparent pipe of lower transparent pipe connection, the internal diameter of the upper transparent pipe is more than the internal diameter of the lower transparent pipe, it is described under it is transparent
Inwall of the pipe close to top, which is slided, is provided with a movable valve, is located in the lower transparent pipe below the movable valve along vertical
Direction is provided with active oblique gear, horizontally disposed has the passive helical gear engaged with the active oblique gear, the quilt
Dynamic helical gear top, which is fixed with screw mandrel, the screw mandrel, has been connected through a screw thread a drive block, and the top of the drive block is consolidated
Surely there is the rotation for being fixed with and being extended to outside the lower transparent pipe on the vertical rod being connected with the movable valve, the active oblique gear
Axle, the termination that the rotary shaft is located at outside the lower transparent pipe is fixed with L-type rocking bar, the left and right sides inwall of the lower transparent pipe
The slide plate for being slided in a guided way, the guided way and being provided with and being connected with the drive block is vertically fixed with respectively.
Preferably, above-mentioned micro-fluid chip, wherein the outer wall of the rotary shaft be located at the lower transparent pipe inner side and
Outside is respectively fixed with a limiting plate.
Preferably, above-mentioned micro-fluid chip, wherein the movable valve includes being fixed on the circle at the top of the vertical rod
Plate, the sealing ring for being set in the circular slab outer wall.
Preferably, above-mentioned micro-fluid chip, wherein being movably set with lid in the import.
Preferably, above-mentioned micro-fluid chip, wherein the sealing ring has been embedded in wear-resistant layer, the wear-resistant layer
Two surfaces are provided with multiple connection hemisphere being embedded into the sealing ring.
Preferably, above-mentioned micro-fluid chip, wherein the bottom of the cover plate is provided with least two connection projections, correspondence
, at least two connecting grooves inserted for the connection projection are provided with the top of the substrate.
It is of the present utility model to have the technical effect that：When needing filling detected material indoor towards detection, user rotates L
Type rocking bar, then drives active oblique gear, passive helical gear to rotate, and then drive screw mandrel to rotate so that drive block is on screw mandrel
Motion upwards, and then drive movable valve to move in transparent pipe, the indoor air of detection can just flow out of upper transparent pipe
Go out, so that reducing detected material enters the indoor resistance of detection；Fill after detected material, customer reverse rotates L-type and shaken
Bar so that movable valve is moved in lower transparent pipe, you can to play a part of sealing, it is to avoid detected material for a long time with the external world
Air contact and be infected, it is easy to use, practical.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of air intake valve in Fig. 1；
Fig. 3 is the structural representation of movable valve in Fig. 2；
Fig. 4 is the structural representation of wear-resistant layer in Fig. 3；
Fig. 5 is the structural representation of guided way in Fig. 2；
Fig. 6 is active oblique gear, passive helical gear structural representation in Fig. 2.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described, so that the utility model
Technical scheme be more readily understood and grasp.
As shown in Fig. 1,2,3,4,5,6, a kind of micro-fluid chip, including substrate 1, the lid for being movably arranged on the top of substrate 1
The microchannel 12 for being provided with and being connected with sensing chamber 11 on sensing chamber 11, substrate 1 is provided with plate 2, substrate 1, the outer wall of substrate 1 is set
It is equipped with the venthole 21 for being provided with and being connected with sensing chamber 11 on the import 13 connected with microchannel 12, cover plate 2.
Air intake valve 3 is fixed with cover plate 2；Air intake valve 3 includes what is be fixed on the top of cover plate 2 and connected with venthole 21
Lower transparent pipe 31, be fixed on the top of lower transparent pipe 31 and the upper transparent pipe 32 connected with lower transparent pipe 31, upper transparent pipe 32 it is interior
Footpath is more than the internal diameter of lower transparent pipe 31, and inwall of the lower transparent pipe 31 close to top, which is slided, is provided with a movable valve 4, lower transparent pipe
It is located at the lower section of movable valve 4 in 31 to be vertically provided with active oblique gear 33, horizontally disposed have and active helical teeth
The passive helical gear 34 of the engagement of wheel 33, the top of passive helical gear 34, which is fixed with screw mandrel 35, screw mandrel 35, to be connected through a screw thread
One drive block 36, the top of drive block 36, which is fixed with to be fixed with the vertical rod 37 being connected with movable valve 4, active oblique gear 33, prolongs
The rotary shaft 38 outside lower transparent pipe 31 is extended, the termination that rotary shaft 38 is located at outside lower transparent pipe 31 is fixed with L-type rocking bar 39, lower
The left and right sides inwall of bright pipe 31 is vertically fixed with to slide in a guided way 51, guided way 51 respectively and is provided with and drives
The slide plate 52 that block 36 is connected.
The inner side and outer side that the outer wall of rotary shaft 38 in the utility model is located at lower transparent pipe 31 is respectively fixed with a limit
Position plate 6, so design prevent rotary shaft 38 to slide.
Movable valve 4 in the utility model includes being fixed on the circular slab 41 at the top of vertical rod 37, is set in circular slab 41
The sealing ring 42 of outer wall, so design improve sealing effectiveness.Wherein lid 80 is movably set with import 13.
Preferably, sealing ring 42 has been embedded in wear-resistant layer 8, it is therefore prevented that sealing ring 42 weares and teares.Wear-resistant layer 8
Two surfaces are provided with multiple connection hemisphere 81 being embedded into sealing ring 42, and so design causes wear-resistant layer 8 and sealing
The connection of circle 42 is closer.Wherein wear-resistant layer 8 is metal grill, and connection hemisphere 81 is arranged on the warp and weft of metal grill
Intersection.
The bottom of cover plate 2 in the utility model is provided with least two connection projections 20, corresponding, the top of substrate 1
At least two connecting grooves 10 inserted for connection projection 20 are provided with, so design make it that cover plate 2 is connected tighter with substrate 1
It is close.
Certainly, it these are only preferred embodiment of the present utility model, it is non-therefore limit to patent of the present utility model
Simple modification and the equivalent structure change for it of scope, all utilization the utility model specifications and schema content institute, all should similarly be wrapped
It is contained within scope of patent protection of the present utility model.
Claims (6)
1. it is provided with inspection on a kind of micro-fluid chip, including substrate, the cover plate for being movably arranged on the surface, the substrate
Room is surveyed, microchannel connect with the sensing chamber is provided with the substrate, the outer wall of the substrate is provided with micro- to be led to described
The venthole connected with the sensing chamber is provided with the import of road connection, the cover plate, it is characterised in that：It is solid on the cover plate
Surely there is air intake valve；The air intake valve include being fixed on connect at the top of the cover plate and with the venthole lower transparent pipe,
The upper transparent pipe connected at the top of the lower transparent pipe and with the lower transparent pipe is fixed on, the internal diameter of the upper transparent pipe is more than institute
The internal diameter of lower transparent pipe is stated, inwall of the lower transparent pipe close to top, which is slided, is provided with a movable valve, the lower transparent pipe
It is interior be located at below the movable valve be vertically provided with active oblique gear, horizontally disposed have oblique with the active
The passive helical gear of gear engagement, the passive helical gear top, which is fixed with screw mandrel, the screw mandrel, to be connected through a screw thread
It is fixed with the top of one drive block, the drive block on the vertical rod being connected with the movable valve, the active oblique gear fixed
There is the rotary shaft extended to outside the lower transparent pipe, the termination that the rotary shaft is located at outside the lower transparent pipe is fixed with L-type and shaken
Bar, the left and right sides inwall of the lower transparent pipe is vertically fixed with to slide in a guided way, the guided way respectively and set
It is equipped with the slide plate being connected with the drive block.
2. micro-fluid chip according to claim 1, it is characterised in that：The outer wall of the rotary shaft be located at it is described under it is transparent
The inner side and outer side of pipe is respectively fixed with a limiting plate.
3. micro-fluid chip according to claim 1, it is characterised in that：The movable valve includes being fixed on the vertical rod
The circular slab at top, the sealing ring for being set in the circular slab outer wall.
4. micro-fluid chip according to claim 1, it is characterised in that：Lid is movably set with the import.
5. micro-fluid chip according to claim 3, it is characterised in that：The sealing ring has been embedded in wear-resistant layer, institute
Two surfaces for stating wear-resistant layer are provided with multiple connection hemisphere being embedded into the sealing ring.
6. micro-fluid chip according to claim 1, it is characterised in that：The bottom of the cover plate is provided with least two companies
Projection is connect, it is corresponding, at least two connecting grooves inserted for the connection projection are provided with the top of the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621397650.5U CN206334685U (en) | 2016-12-20 | 2016-12-20 | A kind of micro-fluid chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621397650.5U CN206334685U (en) | 2016-12-20 | 2016-12-20 | A kind of micro-fluid chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206334685U true CN206334685U (en) | 2017-07-18 |
Family
ID=59301479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621397650.5U Active CN206334685U (en) | 2016-12-20 | 2016-12-20 | A kind of micro-fluid chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206334685U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110719826A (en) * | 2018-12-10 | 2020-01-21 | 深圳大学 | Micro-structure mold core of micro-fluidic chip and manufacturing method thereof |
-
2016
- 2016-12-20 CN CN201621397650.5U patent/CN206334685U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110719826A (en) * | 2018-12-10 | 2020-01-21 | 深圳大学 | Micro-structure mold core of micro-fluidic chip and manufacturing method thereof |
| CN110719826B (en) * | 2018-12-10 | 2021-04-20 | 深圳大学 | Micro-structure mold core of micro-fluidic chip and manufacturing method thereof |
| US11305277B2 (en) | 2018-12-10 | 2022-04-19 | Shenzhen University | Micro-structured mold-core of microfluidic chip and its manufacturing method |
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