CN218422903U - Universal clamp for micro-fluidic chip - Google Patents
Universal clamp for micro-fluidic chip Download PDFInfo
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- CN218422903U CN218422903U CN202222652822.0U CN202222652822U CN218422903U CN 218422903 U CN218422903 U CN 218422903U CN 202222652822 U CN202222652822 U CN 202222652822U CN 218422903 U CN218422903 U CN 218422903U
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Abstract
The utility model relates to a micro-fluidic chip universal fixturing, contain the main base and rather than the mating cooperation base, it has the recess all to open, the combination forms the groove of putting of holding that is used for holding the micro-fluidic chip, the micro-fluidic chip is arranged in it, it is as an organic whole with main base lock joint with the cooperation base through locking screw, the lateral part of main base and cooperation base all is opened along the horizontal direction has the through-hole, equal interference fit has the stereoplasm tubule that is linked together with the horizontal runner of micro-fluidic chip in the through-hole, it compresses tightly the slider to connect one on the main base, compress tightly a slider lateral part and seted up the horizontal hole along the horizontal direction, interference fit has the stereoplasm tubule in the horizontal hole, it is equipped with the vertical hole that is linked together with the horizontal hole to compress tightly in the slider, vertical hole is linked together with the vertical runner of micro-fluidic chip. Interfaces for entering and exiting samples are arranged in the horizontal direction and the vertical direction, and multiple samples can be entered and exited in the horizontal direction and the vertical direction simultaneously; the thread pair is connected and clamped, clamping force is respectively provided in the horizontal direction and the vertical direction, and the micro-fluidic chip clamping device is suitable for clamping micro-fluidic chips with different appearance structures.
Description
Technical Field
The utility model relates to a micro-fluidic chip universal fixturing for the centre gripping of micro-fluidic chip belongs to microfluid control technology field.
Background
At present, the clamping clamps of the microfluid control chip are designed independently according to the shape structure of the chip and are manufactured in a customized mode, the universality is low, the cost is high, and the working efficiency is low.
Therefore, it is urgently needed to design a multi-interface, universal and fast-assembly microfluidic chip clamp.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art existence, provide a micro-fluidic chip universal fixturing.
The purpose of the utility model is realized through the following technical scheme:
the universal fixture for the microfluidic chip is characterized in that: contain main base and rather than the matching base that pairs, all open flutedly, the combination forms the groove of putting of holding that is used for holding microfluid chip, microfluid chip arranges in it, it is as an organic whole with main base lock connection through locking screw with the matching base, the lateral part of main base and matching base all is opened along the horizontal direction has the through-hole, equal interference fit has the stereoplasm tubule that is linked together with the horizontal runner of microfluid chip in the through-hole, connect one on the main base and compress tightly the slider, compress tightly slider lateral part and seted up the horizontal hole along the horizontal direction, interference fit has the stereoplasm tubule in the horizontal hole, it is equipped with the vertical hole that is linked together with the horizontal hole in the slider to compress tightly, vertical hole is linked together with the vertical runner of microfluid chip.
Further, in the above general fixture for microfluidic chips, a sealing rubber pad is lined at the butt joint surface of the transverse flow channel of the microfluidic chip with the through holes of the main base and the matching base, and a hole is formed on the sealing rubber pad at the position opposite to the transverse flow channel.
Further, in the above general fixture for microfluidic chips, the bottom surface of the compressing slider is provided with a rubber pad mounting groove, a matched rubber pad is embedded, and a hole is formed in the position, opposite to the vertical hole, of the rubber pad.
Further, in the above general fixture for microfluidic chips, the matching base is symmetrically provided with screw holes for the locking screws to pass through, correspondingly, the main base is symmetrically provided with threaded holes for screwing with the locking screws, and the two locking screws pass through the screw holes and are screwed into the threaded holes to lock and connect the matching base and the main base into a whole.
Furthermore, according to the above general fixture for microfluidic chips, the compression sliding blocks are symmetrically provided with waist-shaped holes for the compression screws to pass through, correspondingly, the main base is symmetrically provided with threaded holes for screwing with the compression screws, and the two compression screws pass through the waist-shaped holes and are screwed into the threaded holes to press the compression sliding blocks on the main base.
Further, in the above general fixture for a microfluidic chip, the side portions of the main base and the matching base are both provided with more than two through holes along the horizontal direction, and correspondingly, more than two hard thin tubes are in interference fit.
Further, in the above general fixture for a microfluidic chip, the lateral part of the pressing slider is provided with more than two horizontal holes along the horizontal direction, and correspondingly, more than two hard thin tubes are in interference fit.
Compared with the prior art, the utility model have apparent advantage and beneficial effect, the concrete aspect that embodies is in following:
(1) the utility model provides a universal fixture with multiple interfaces and capable of being quickly assembled, which is three parts on the whole, wherein interfaces for entering and exiting samples are arranged in the horizontal direction and the vertical direction, at least one group of interfaces in the same direction is arranged, and various samples can be simultaneously entered and exited in the horizontal direction and the vertical direction;
(2) the screw thread pair is used for connecting and clamping, clamping forces are respectively provided in the horizontal direction and the vertical direction, the micro-fluidic chip clamping device is suitable for clamping micro-fluidic chips with different appearance structures, a flexible rubber pad is adopted for sealing the joint of the micro-fluidic chip and a flow channel, sample leakage is reduced, and the assembly is simple and rapid;
(3) the sample inlet and outlet ports are connected in an interference fit manner by adopting holes and pipes, the manufacture and the connection are simple, and the connection part has good self-sealing property;
(4) the main base is provided with a longitudinal pressing mechanism, the pressing mechanism can move to adjust the pressing position, so that the microfluid chip is effectively pressed, the leakage at the joint of the flow channel is prevented, and meanwhile, the clamp has better universality.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.
FIG. 1: the utility model discloses an assembly structure schematic diagram of the clamp;
FIG. 2: the utility model discloses an exploded structure schematic diagram of a clamp;
FIG. 3: the structural schematic diagram of the main base;
FIG. 4: the structure schematic diagram of the sealing rubber pad;
FIG. 5: a schematic structural diagram of a view angle of the pressing slider;
FIG. 6: the structure schematic diagram of another visual angle of the pressing slide block;
FIG. 7: the structure schematic diagram of the rubber cushion;
FIG. 8: a schematic diagram of a microfluidic chip structure;
FIG. 9: the structure of the matching base is shown schematically.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the directional terms, the sequence terms, and the like are used only for distinguishing the description, and are not construed as indicating or implying relative importance.
As shown in fig. 1 to 9, the micro-fluidic chip universal fixture comprises a main base 2 and a matching base 9 matched with the main base, both of which are provided with grooves, the main base and the matching base are combined to form a containing groove for containing a micro-fluidic chip 7, the micro-fluidic chip 7 is arranged in the containing groove, the matching base 9 and the main base 2 are locked and connected into a whole through a locking screw 8, the main base 2 and the matching base 9 are both provided with more than two through holes along the horizontal direction, hard thin tubes 1 communicated with a transverse flow channel of the micro-fluidic chip 7 are respectively in interference fit in the through holes, the main base 2 is connected with a pressing slide block 4, one side part of the pressing slide block 4 is provided with more than two horizontal holes along the horizontal direction, correspondingly, the horizontal holes are provided with more than two hard thin tubes in interference fit, the pressing slide block 4 is provided with vertical holes communicated with the horizontal holes, and the vertical holes are communicated with the vertical flow channel of the micro-fluidic chip 7.
In addition, a sealing rubber pad 3 is lined at the butt joint surface of the transverse flow channel of the microfluid chip 7 and the through holes of the main base 2 and the matching base 9, and a hole is formed in the position, right opposite to the transverse flow channel, of the sealing rubber pad 3. The bottom surface of the pressing sliding block 4 is provided with a rubber cushion mounting groove, a matched rubber cushion 6 is embedded, and a hole is formed in the position, right opposite to the vertical hole, of the rubber cushion 6.
When the locking device is specifically designed, screw holes for allowing the locking screws 8 to penetrate through are symmetrically formed in the matching base 9, correspondingly, threaded holes for being screwed with the locking screws 8 are symmetrically formed in the main base 2, and the two locking screws 8 penetrate through the screw holes and are screwed into the threaded holes to enable the matching base 9 and the main base 2 to be connected into a whole in a locking mode.
Waist-shaped holes for the compression screws 5 to pass through are symmetrically formed in the compression slide block 4, correspondingly, threaded holes for the compression screws 5 to be screwed are symmetrically formed in the main base 2, and the two compression screws 5 pass through the waist-shaped holes and are screwed into the threaded holes to press the compression slide block 4 onto the main base 2.
When the device is installed, the main base 2, the matching base 9 and the pressing slide block 4 are in interference fit with the hard thin tube 1 in the side hole and inserted into the hole, and the device has self-sealing property;
placing two punched sealing rubber pads 3 on sealing surfaces of a main base 2 and a matching base 9 respectively, aligning positioning screw holes of the main base 2 and the matching base 9, screwing up a locking screw 8 to preliminarily position the main base 2 and the matching base 9, placing a microfluid chip 7 in a containing groove formed by combining the main base 2 and the matching base 9, adjusting the positions of the main base 2 and the matching base 9, and screwing up the locking screw 8 to seal a channel;
put into the rubber mat mounting groove that compresses tightly slider 4 to rubber mat 6 that punches, align the set screw hole that compresses tightly slider 4 and main base 2, twist on housing screw 5 and make and compress tightly slider 4 and main base 2 preliminary location, the adjustment compresses tightly the vertical hole in slider 4 bottom and the vertical channel hole of microfluid chip 7 just right, screws housing screw 5 after the alignment, makes the passageway sealed.
The hard thin tube 1 is in interference fit with the main base 2, the matching base 9 and the hole on the pressing sliding block 4, and has good self-sealing performance.
The matching surfaces of the main base 2 and the matching base 9 and the microfluid chip 7 are lined with the sealing rubber pad 3, and the locking screw 8 seals the channel, so that the leakage at the joint of the microfluid chip 7 and the main base 2 and the matching base 9 through the circulation channel is prevented.
The rubber pad 6 is lined on the matching surface of the compression slide block 4 and the main base 2, and the compression screw 5 seals the vertical channel to prevent the leakage of the connection part of the microfluid chip 7 and the circulation channel of the compression slide block 4.
To sum up, the utility model discloses but many interfaces, the general type anchor clamps of fast-assembling novel in design, structure are succinct, are the triplex on the whole, and the level all has the interface of business turn over sample with the vertical direction, and the equidirectional interface has at least a set ofly, can pass in and out multiple sample simultaneously at horizontal direction and vertical direction.
The screw thread pair is used for connecting and clamping, clamping force is provided in the horizontal direction and the vertical direction respectively, the micro-fluidic chip clamping device is suitable for clamping micro-fluidic chips with different appearance structures, a flexible rubber pad is used for sealing a joint with a micro-fluidic chip flow channel, sample leakage is reduced, and assembly is simple and rapid.
The sample inlet and outlet interface is connected by adopting the interference fit of the hole and the pipe, the manufacture and the connection are simple, and the joint has good self-sealing property.
The main base is provided with a longitudinal pressing mechanism, the pressing mechanism can move and adjust the pressing position to effectively press the microfluid chip, the leakage of the joint of the flow channel is prevented, and meanwhile, the clamp has better universality.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
Claims (7)
1. Micro-fluidic chip universal fixturing, its characterized in that: contain main base (2) and rather than mating cooperation base (9), all open flutedly, the combination forms the groove of putting of holding microfluid chip (7), microfluid chip (7) are arranged in it, through locking screw (8) will cooperate base (9) and main base (2) locking connection as an organic whole, the lateral part of main base (2) and cooperation base (9) all is opened along the horizontal direction has the through-hole, equal interference fit has communicating stereoplasm tubule (1) with the horizontal runner of microfluid chip (7) in the through-hole, connect one on main base (2) and compress tightly slider (4), horizontal hole has been seted up along the horizontal direction in a lateral part of compress tightly slider (4), interference fit has the stereoplasm, be equipped with the vertical hole that is linked together with the horizontal hole in compressing tightly slider (4), vertical hole is linked together with the vertical runner of microfluid chip (7).
2. The microfluidic chip universal fixture of claim 1, wherein: the joint fitting surface of the transverse flow channel of the microfluid chip (7) and the through holes of the main base (2) and the matching base (9) is lined with a sealing rubber pad (3), and a hole is formed in the sealing rubber pad (3) at the position opposite to the transverse flow channel.
3. The microfluidic chip universal fixture of claim 1, wherein: the bottom surface of the pressing sliding block (4) is provided with a rubber cushion mounting groove, a matched rubber cushion (6) is embedded, and a hole is formed in the position, right opposite to the vertical hole, of the rubber cushion (6).
4. The microfluidic chip universal fixture of claim 1, wherein: the matching base (9) is symmetrically provided with screw holes for the locking screws (8) to pass through, correspondingly, the main base (2) is symmetrically provided with threaded holes for screwing with the locking screws (8), and the two locking screws (8) pass through the screw holes and are screwed into the threaded holes to lock and connect the matching base (9) and the main base (2) into a whole.
5. The microfluidic chip universal fixture of claim 1, wherein: waist-shaped holes for the compression screws (5) to pass through are symmetrically formed in the compression sliding block (4), correspondingly, threaded holes for the compression screws (5) to be screwed are symmetrically formed in the main base (2), and the two compression screws (5) pass through the waist-shaped holes and are screwed into the threaded holes to press the compression sliding block (4) on the main base (2).
6. The microfluidic chip universal fixture of claim 1, wherein: the main base (2) and the matching base (9) are provided with more than two through holes along the horizontal direction, and correspondingly, more than two hard thin tubes (1) are in interference fit.
7. The microfluidic chip universal fixture of claim 1, wherein: the lateral part of the pressing slide block (4) is provided with more than two horizontal holes along the horizontal direction, and correspondingly, more than two hard thin tubes are in interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222652822.0U CN218422903U (en) | 2022-10-08 | 2022-10-08 | Universal clamp for micro-fluidic chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222652822.0U CN218422903U (en) | 2022-10-08 | 2022-10-08 | Universal clamp for micro-fluidic chip |
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| Publication Number | Publication Date |
|---|---|
| CN218422903U true CN218422903U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222652822.0U Active CN218422903U (en) | 2022-10-08 | 2022-10-08 | Universal clamp for micro-fluidic chip |
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| CN (1) | CN218422903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116920980A (en) * | 2023-09-14 | 2023-10-24 | 微纳动力(北京)科技有限责任公司 | Micro-fluidic chip fixture |
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2022
- 2022-10-08 CN CN202222652822.0U patent/CN218422903U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116920980A (en) * | 2023-09-14 | 2023-10-24 | 微纳动力(北京)科技有限责任公司 | Micro-fluidic chip fixture |
| CN116920980B (en) * | 2023-09-14 | 2023-12-01 | 微纳动力(北京)科技有限责任公司 | Micro-fluidic chip fixture |
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