CN205182783U - Micro -fluidic chip anchor clamps - Google Patents
Micro -fluidic chip anchor clamps Download PDFInfo
- Publication number
- CN205182783U CN205182783U CN201520999606.0U CN201520999606U CN205182783U CN 205182783 U CN205182783 U CN 205182783U CN 201520999606 U CN201520999606 U CN 201520999606U CN 205182783 U CN205182783 U CN 205182783U
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- micro
- holder
- fluidic chip
- grasping part
- mounting groove
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Abstract
The application discloses micro -fluidic chip anchor clamps, including the first holder and the second holder of butt joint, between the opposite face of first holder and second holder respectively concave establishing be formed with first mounting groove and second mounting groove, both ends that micro -fluidic chip has an inlet plant respectively in in first mounting groove and the second mounting groove, be fixed with on the first holder with the at least feed liquor pipe that the micro -fluidic chip inlet corresponds, be fixed with on the second holder with the at least liquid delivering pipe that the micro -fluidic chip liquid outlet corresponds, can dismantle the connection through the mounting between first holder and the second holder. Should dismantle the convenience through screw rod jockey and chip, with low costs, anchor clamps are whole small, two sets of holders pass through the screw rod to be connected, and screw length is variable, is suitable for different length micro -fluidic chip.
Description
Technical field
The application belongs to micro fluidic chip technical field, particularly relates to a kind of micro-fluidic chip clamp, is applied to hard micro-fluidic chip especially.
Background technology
Microfluidic chip technology (Microfluidics) is that biological, chemistry, medical analysis process the basic operation unit such as sample preparation, reaction, separation, detection is integrated on the chip of one piece of micro-meter scale, automatically completes analysis overall process.Because it is in the great potential in the field such as biology, chemistry, medical science, develop into the brand-new research field of the subject crossing such as biology, chemistry, medical science, fluid, electronics, material, a machinery.
Because its volume is little, reagent consumption is low and the feature such as Highgrade integration, increasing researcher starts to pay close attention to micro-fluidic chip.For the use of micro-fluidic chip, an important link is exactly the connection of external fluid and micro-fluidic chip pipeline.Overwhelming majority micro-fluid chip user still adopts the method for attachment directly hard chip and fluid conduit systems being carried out gluing.This type of method of attachment belongs to irreversible connection, and chip and fluid conduit systems cannot realize disassembling and follow-up use, and this method of attachment simultaneously also have impact on the fixing of chip and observation to a great extent.In addition, the method complicated operation of gluing, and likely sample is polluted, therefore hinder the large-scale application of micro-fluidic chip.
The external clip tool adapting to hard micro-fluid chip can be good at addressing these problems.But the development progress of this type of chip fixture is slow, and the clamp types rarely had exists problems, as method of attachment is complicated, connected mode is fixed, and does not possess controllability, simultaneously, the connection seal of fixture and chip is poor, and decompression, leakage easily occur, and affects the result of use of chip.
Utility model content
The purpose of this utility model is to provide a kind of micro-fluidic chip clamp, to overcome deficiency of the prior art.
For achieving the above object, the utility model provides following technical scheme:
The embodiment of the present application discloses a kind of micro-fluidic chip clamp, comprise the first holder and second holder of docking, recessedly respectively between described first holder and the opposite face of the second holder be formed with the first mounting groove and the second mounting groove, the two ends that micro-fluidic chip has inlet are inserted in described first mounting groove and the second mounting groove respectively, described first holder is fixed with at least one piece feed liquor conduit corresponding with described micro-fluidic chip inlet, described second holder is fixed with at least one piece eluate conduit corresponding with described micro-fluidic chip liquid outlet, removably connected by fixture between described first holder and the second holder.
Preferably, in above-mentioned micro-fluidic chip clamp,
Described first holder has the first grasping part, described first mounting groove is connected with described first grasping part, described first grasping part internal fixtion has the first elastic washer, described first elastic washer two ends have been formed through the first installing hole, described feed liquor conduit correspondence is inserted in one end of described installing hole, and the other end of described first installing hole to protrude in described first mounting groove and corresponding with the inlet of described micro-fluidic chip;
Described second holder has the second grasping part, described second mounting groove is connected with described second grasping part, described second grasping part internal fixtion has the second elastic washer, described second elastic washer two ends have been formed through the second installing hole, described eluate conduit correspondence is inserted in one end of described installing hole, and the other end of described second installing hole to protrude in described second mounting groove and corresponding with the liquid outlet of described micro-fluidic chip.
Preferably, in above-mentioned micro-fluidic chip clamp,
Described first holder comprises assembles the first fixing upper cover plate and the first lower cover up and down, described first grasping part is surrounded between described first upper cover plate and the first lower cover, described first grasping part comprises the first gasket groove and the first conduit trough, and described first gasket groove and the first conduit trough are respectively in order to place the first elastic washer and spacing feed liquor conduit;
Described second holder comprises assembles the second fixing upper cover plate and the second lower cover up and down, described second grasping part is surrounded between described second upper cover plate and the second lower cover, described second grasping part comprises the second gasket groove and the second conduit trough, and described second gasket groove and the second conduit trough are respectively in order to place the second elastic washer and spacing eluate conduit.
Preferably, in above-mentioned micro-fluidic chip clamp, fixed by the screw rod that matches and nut between described first upper cover plate and the first lower cover; Fixed by the screw rod that matches and nut between described second upper cover plate and the second lower cover.
Preferably, in above-mentioned micro-fluidic chip clamp, described first grasping part also comprises positioning screw first installing hole running through described first holder two ends, described second grasping part also comprises positioning screw second installing hole running through described second holder two ends, described positioning screw first installing hole is corresponding with positioning screw second installing hole, and positioning screw is each passed through described positioning screw first installing hole and positioning screw second installing hole and setscrew nut and rotates fixing.
Preferably, in above-mentioned micro-fluidic chip clamp, positioning screw is held between described first upper cover plate and the first lower cover and between the second upper cover plate and the second lower cover.
Preferably, in above-mentioned micro-fluidic chip clamp, between described first mounting groove and described first grasping part, be formed with stage portion; Stage portion is formed between described second mounting groove and described second grasping part.
Preferably, in above-mentioned micro-fluidic chip clamp, the material of described first elastic washer and the second elastic washer is polytetrafluoro rubber.
Preferably, in above-mentioned micro-fluidic chip clamp, described feed liquor conduit and eluate conduit are PTFE conduit.
Compared with prior art, the utility model has the advantage of:
(1), by screw rod jockey and chip, convenient disassembly, cost is low, fixture overall volume is little;
(2), adopt the elastic washer of polytetrafluoro quality of rubber materials, withstand voltage properties is strong, and corrosion resistance is strong, and elastic washer connects chip and liquid entrance pipeline, good sealing effect, can not leakage; PTFE tube road and chip pipeline compact siro spinning technology is made by elastic washer;
(3), as required multiple liquid entrance can be set, be applicable to complicated biochemical reaction;
(4), this case fixture is applicable to the hard micro-fluidic chips such as the fixing glass of thickness and width and PMMA, and is applicable to the hard micro-fluidic chip of different length;
(5), observation window is had, fixture and directly cooperation microscopic examination experimental result in the middle of chip.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Figure 1 shows that the stereogram of micro-fluidic chip clamp in the utility model specific embodiment;
Figure 2 shows that the three-dimensional exploded view of micro-fluidic chip clamp in the utility model specific embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be described in detail the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Shown in ginseng Fig. 1 and Fig. 2, micro-fluidic chip clamp comprises the first holder 100 and the second holder 200 of docking, recessedly respectively between first holder 100 and the opposite face of the second holder 200 be formed with the first mounting groove 101 and the second mounting groove 201, the two ends that micro-fluidic chip (not shown) has inlet are inserted in the first mounting groove 101 and the second mounting groove 201 respectively, first holder is fixed with at least one piece feed liquor conduit 102 corresponding with micro-fluidic chip inlet, second holder is fixed with at least one piece eluate conduit 202 corresponding with micro-fluidic chip liquid outlet, removably connected by fixture between first holder and the second holder.
In this technical scheme, micro-fluidic chip is preferably hard chip, and chip thickness and width are fixed, and the grasping part consistent size of holder.Micro-fluidic chip liquid in-out mouth is that side is imported and exported, and one-sidedly can configure multiple liquid in-out mouth, and liquid in-out mouth side by side and be uniformly distributed.After hard micro-fluidic chip bonding, ensure that liquid in-out mouth is positioned at overall chip centre position, guarantee accurately to be connected with conduit, gasket position.
First holder 100 has the first grasping part 103, first mounting groove 101 is connected with the first grasping part 103, first grasping part 103 internal fixtion has the first elastic washer 104, first elastic washer two ends have been formed through the first installing hole 105, feed liquor conduit correspondence is inserted in one end of installing hole, and the other end of the first installing hole to protrude in the first mounting groove 101 and corresponding with the inlet of micro-fluidic chip.
First holder 100 comprises assembles the first fixing upper cover plate 106 and the first lower cover 107 up and down, the first grasping part is surrounded between first upper cover plate 106 and the first lower cover 107, first grasping part comprises the first gasket groove 108 and the first conduit trough 109, first gasket groove and the first conduit trough respectively in order to place the first elastic washer 104 and spacing feed liquor conduit 102.
Second holder 200 has the second grasping part 203, second mounting groove 201 is connected with the second grasping part 203, second grasping part 203 internal fixtion has the second elastic washer 204, second elastic washer two ends have been formed through the second installing hole 205, eluate conduit correspondence is inserted in one end of installing hole, and the other end of the second installing hole to protrude in the second mounting groove 201 and corresponding with the liquid outlet of micro-fluidic chip.
Second holder 200 comprises assembles the second fixing upper cover plate 206 and the second lower cover 207 up and down, the second grasping part is surrounded between second upper cover plate 206 and the second lower cover 207, second grasping part comprises the second gasket groove 208 and the second conduit trough 209, second gasket groove and the second conduit trough respectively in order to place the second elastic washer 204 and spacing eluate conduit 202.
Further, fixed by the screw rod 110 that matches and nut 111 between the first upper cover plate 106 and the first lower cover 107; Fixed by the screw rod 210 that matches and nut 211 between second upper cover plate 206 and the second lower cover 207.Screw rod and nut are preferably M3 screw rod and M3 nut.
In this technical scheme, first upper cover plate and the first lower cover, realize detachable fixing by the screw rod that matches and nut between the second upper cover plate and the second lower cover, be easy to it is envisioned that, the mode that can also be coordinated with screw by screw rod between upper cover plate and lower cover realizes detachable fixing, and the modes such as buckle can also be adopted to realize.
Further, the upper and lower cover plates material of the first holder and the second holder is preferably aluminum.
Further, first grasping part also comprises positioning screw first installing hole 112 running through the first holder two ends, second grasping part also comprises positioning screw second installing hole 212 running through the second holder two ends, positioning screw first installing hole 112 and positioning screw second installing hole 212 corresponding, positioning screw 301 is each passed through positioning screw first installing hole and positioning screw second installing hole and setscrew nut 302 and rotates fixing.Positioning screw and setscrew nut are preferably M3 screw rod and M3 nut.
As preferably, positioning screw 301 is held between the first upper cover plate and the first lower cover and between the second upper cover plate and the second lower cover.
In this technical scheme, four through holes preferably processed by polytetrafluoro rubber washer, lead to the hole site and micro-fluidic chip stream position correspondence, and through-hole diameter is less than PTFE catheter outer diameter.Polytetrafluoro rubber washer overall dimensions is greater than the gasket groove of holder, utilizes the deformation of screw extruding packing ring, realizes compact siro spinning technology.
In order to carry out spacing to micro-fluidic chip, between the first mounting groove 101 and the first grasping part 103, be formed with stage portion; Stage portion 213 is formed between second mounting groove 201 and the second grasping part 202.
In technique scheme, the material of the first elastic washer and the second elastic washer is preferably polytetrafluoro rubber.But the elastic washer in the present embodiment also can adopt other elastomeric materials, such as FFKM etc.
In technique scheme, feed liquor conduit and eluate conduit are preferably PTFE conduit.Its internal diameter is greater than micro-fluidic chip pipeline aperture, and external diameter is a bit larger tham polytetrafluoro caoutchouc elasticity packing ring internal diameter, and the enough supporting tubes of conduit wall thickness enter packing ring and do not produce deformation.The material of conduit can also be FEP, ECTFE, ETFE, PFA or PEEK conduit.
When mounted, PTFE conduit is inserted into the polytetrafluoro rubber washer with conduit mouth, packing ring and catheter body are placed between one-sided upper and lower cover plates, M3 screw rod is fixed and M3 nut fixed by cover plate by cover plate, left and right two cover cover plate completes in succession, is placed on by micro-fluidic chip between the cover cover plate of left and right two, is fixed by location M3 screw rod and location M3 nut, enter face to connect, prevent leakage.Left and right two cover cover plate is connected by screw rod, and spiro rod length is variable, is suitable for different length micro-fluidic chip.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the detailed description of the invention of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of the application.
Claims (9)
1. a micro-fluidic chip clamp, it is characterized in that, comprise the first holder and second holder of docking, recessedly respectively between described first holder and the opposite face of the second holder be formed with the first mounting groove and the second mounting groove, the two ends that micro-fluidic chip has inlet are inserted in described first mounting groove and the second mounting groove respectively, described first holder is fixed with at least one piece feed liquor conduit corresponding with described micro-fluidic chip inlet, described second holder is fixed with at least one piece eluate conduit corresponding with described micro-fluidic chip liquid outlet, removably connected by fixture between described first holder and the second holder.
2. micro-fluidic chip clamp according to claim 1, is characterized in that:
Described first holder has the first grasping part, described first mounting groove is connected with described first grasping part, described first grasping part internal fixtion has the first elastic washer, described first elastic washer two ends have been formed through the first installing hole, described feed liquor conduit correspondence is inserted in one end of described installing hole, and the other end of described first installing hole to protrude in described first mounting groove and corresponding with the inlet of described micro-fluidic chip;
Described second holder has the second grasping part, described second mounting groove is connected with described second grasping part, described second grasping part internal fixtion has the second elastic washer, described second elastic washer two ends have been formed through the second installing hole, described eluate conduit correspondence is inserted in one end of described installing hole, and the other end of described second installing hole to protrude in described second mounting groove and corresponding with the liquid outlet of described micro-fluidic chip.
3. micro-fluidic chip clamp according to claim 2, is characterized in that:
Described first holder comprises assembles the first fixing upper cover plate and the first lower cover up and down, described first grasping part is surrounded between described first upper cover plate and the first lower cover, described first grasping part comprises the first gasket groove and the first conduit trough, and described first gasket groove and the first conduit trough are respectively in order to place the first elastic washer and spacing feed liquor conduit;
Described second holder comprises assembles the second fixing upper cover plate and the second lower cover up and down, described second grasping part is surrounded between described second upper cover plate and the second lower cover, described second grasping part comprises the second gasket groove and the second conduit trough, and described second gasket groove and the second conduit trough are respectively in order to place the second elastic washer and spacing eluate conduit.
4. micro-fluidic chip clamp according to claim 3, is characterized in that: fixed by the screw rod that matches and nut between described first upper cover plate and the first lower cover; Fixed by the screw rod that matches and nut between described second upper cover plate and the second lower cover.
5. micro-fluidic chip clamp according to claim 3, it is characterized in that: described first grasping part also comprises positioning screw first installing hole running through described first holder two ends, described second grasping part also comprises positioning screw second installing hole running through described second holder two ends, described positioning screw first installing hole is corresponding with positioning screw second installing hole, and positioning screw is each passed through described positioning screw first installing hole and positioning screw second installing hole and setscrew nut and rotates fixing.
6. micro-fluidic chip clamp according to claim 5, is characterized in that: positioning screw is held between described first upper cover plate and the first lower cover and between the second upper cover plate and the second lower cover.
7. micro-fluidic chip clamp according to claim 2, is characterized in that: be formed with stage portion between described first mounting groove and described first grasping part; Stage portion is formed between described second mounting groove and described second grasping part.
8. micro-fluidic chip clamp according to claim 2, is characterized in that: the material of described first elastic washer and the second elastic washer is polytetrafluoro rubber.
9. micro-fluidic chip clamp according to claim 1, is characterized in that: described feed liquor conduit and eluate conduit are PTFE conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520999606.0U CN205182783U (en) | 2015-12-04 | 2015-12-04 | Micro -fluidic chip anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520999606.0U CN205182783U (en) | 2015-12-04 | 2015-12-04 | Micro -fluidic chip anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205182783U true CN205182783U (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520999606.0U Withdrawn - After Issue CN205182783U (en) | 2015-12-04 | 2015-12-04 | Micro -fluidic chip anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205182783U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344404A (en) * | 2015-12-04 | 2016-02-24 | 苏州汶颢芯片科技有限公司 | Micro-fluidic chip fixture |
| CN108851809A (en) * | 2018-08-20 | 2018-11-23 | 滁州市棋然装饰工程有限公司 | A kind of multi-functional display and demonstration platform |
| CN112808333A (en) * | 2020-12-29 | 2021-05-18 | 厦门大学 | Micro-fluidic chip anchor clamps |
-
2015
- 2015-12-04 CN CN201520999606.0U patent/CN205182783U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344404A (en) * | 2015-12-04 | 2016-02-24 | 苏州汶颢芯片科技有限公司 | Micro-fluidic chip fixture |
| CN108851809A (en) * | 2018-08-20 | 2018-11-23 | 滁州市棋然装饰工程有限公司 | A kind of multi-functional display and demonstration platform |
| CN112808333A (en) * | 2020-12-29 | 2021-05-18 | 厦门大学 | Micro-fluidic chip anchor clamps |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215808 Suzhou Industrial Park, Jiangsu Road, No. 128 Patentee after: Suzhou Wen Hao microfluidic technology Limited by Share Ltd Address before: 215808 Suzhou Industrial Park, Jiangsu Road, No. 128 Patentee before: Suzhou Wenhao Chip Technology Co., Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160427 Effective date of abandoning: 20170915 |