CN220657604U - Clamp device for microfluidic chip - Google Patents
Clamp device for microfluidic chip Download PDFInfo
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- CN220657604U CN220657604U CN202322269928.7U CN202322269928U CN220657604U CN 220657604 U CN220657604 U CN 220657604U CN 202322269928 U CN202322269928 U CN 202322269928U CN 220657604 U CN220657604 U CN 220657604U
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- clamping plate
- transmission
- base
- microfluidic chip
- groove
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- 230000005540 biological transmission Effects 0.000 claims abstract description 65
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a clamp device for a microfluidic chip, which comprises: base and clamping assembly, offered the standing groove on the base, clamping assembly includes: the first limiting rod, the first telescopic spring and the first sliding block; the first sliding block is fixedly provided with a left convex clamping plate, the base is symmetrically provided with a bidirectional transmission rod, the bidirectional transmission rod is provided with a transmission block, the transmission block is fixedly provided with a right convex clamping plate, the side wall of the placing groove is provided with a limiting groove in an array manner, the limiting groove is internally provided with a second limiting rod, and the second limiting rod is provided with a second telescopic spring in a matched manner; the micro-fluidic chip is placed in the placing groove, the micro-fluidic chip is clamped and fixed in the vertical direction by utilizing the elasticity of the second telescopic spring and the second limiting rod, the bidirectional transmission rod drives the right convex clamping plate and the left convex clamping plate on the transmission block to move relatively, the micro-fluidic chip is clamped, and the problem that the clamping stability of only a single direction is poor when the micro-fluidic chip is clamped and fixed is solved.
Description
Technical Field
The utility model relates to the technical field of microfluidic chip clamp devices, in particular to a clamp device for a microfluidic chip.
Background
The micro-fluidic chip is a micro-chip with micro-channels and micro-structures, is used for realizing micro-fluid operation and analysis, has micro-scale channels and structures, and can be used for manipulating and controlling micro-liquid or gas; the micro-fluidic chip clamp is a tool for fixing and operating the micro-fluidic chip, provides a stable platform, is connected with an external fluid source and a control system to realize the in-out and accurate control of fluid, and the conventional micro-fluidic chip clamp device is hard in contact with the contact part of the micro-fluidic chip due to the fact that the contact part is clamped, so that the micro-fluidic chip is extremely easy to damage the contact surface of the clamp when clamped through the clamp.
In order to solve the above problem, application number 202223375812.3 proposes a micro-fluidic chip anchor clamps, including the mounting panel, the mounting panel bottom is seted up flutedly, the inside fixed plate that is provided with of recess, fixed plate one side is provided with first protection pad, the through-hole has been seted up at the mounting panel top, the inside slide bar that is provided with of through-hole, be provided with first slider on the slide bar, first slider bottom is provided with and presss from both sides and get the mechanism, it is not being in hard contact to get the mechanism through setting up to press from both sides the contact site that gets department and chip, can also be further avoid pressing from both sides the time spent too much through the spring that sets up in getting the mechanism, thereby make the chip can very easily appear the phenomenon that damages appear with the contact surface of device when pressing from both sides through the device.
Although the problem of damage is got to the clamp has been solved to a certain extent, still there is certain problem, for example when the centre gripping is fixed, only carries out the centre gripping in single position, and stability is relatively poor, influences subsequent use, and the device also can only carry out the centre gripping of single chip simultaneously, and the degree of difficulty is high when dismantling after the detection is accomplished, waste time and energy for detection efficiency reduces.
Accordingly, there is a need for improvements in the prior art microfluidic chip fixture devices to address the above issues.
Disclosure of Invention
The utility model overcomes the defects of the prior art and provides the clamp device for the micro-fluidic chip.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a clamp device for a microfluidic chip, comprising: the base is symmetrically arranged on a plurality of clamping assemblies on the base, and fixing assemblies matched with the clamping assemblies.
Offer a plurality of standing grooves on the base, every clamping component installs around the standing groove, just clamping component includes: the first limiting rods are matched with first telescopic springs arranged on the first limiting rods and first sliding blocks arranged on the first telescopic springs; the left convex clamping plate is fixedly arranged on the first sliding block, and the bottom of the left convex clamping plate is in contact with the bottom of the placing groove.
A plurality of bidirectional transmission rods are symmetrically arranged on the base, a plurality of transmission blocks are arranged on the bidirectional transmission rods, a right convex type clamping plate is fixedly arranged on the transmission blocks, and one end, far away from the right convex type clamping plate, of the transmission block is fixedly provided with a left convex type clamping plate; a plurality of limiting grooves are formed in the side wall of the placing groove in an array mode, a second limiting rod is arranged in each limiting groove, and a second telescopic spring is arranged on the second limiting rod in a matched mode.
In a preferred embodiment of the present utility model, a plurality of second sliding blocks are fixedly connected to the plurality of second telescopic springs, and a pressing plate is fixedly connected to each of the second sliding blocks.
In a preferred embodiment of the present utility model, the plurality of pressing plates are symmetrically disposed at two sides of the placement groove, one end of the second expansion spring is fixedly connected with the inner wall of the limit groove, and the other end is fixedly connected with the second sliding block.
In a preferred embodiment of the present utility model, the fixing assembly includes: the upper clamping plate, a plurality of sealing frames arranged on the upper clamping plate, and a perspective opening arranged on the sealing frames.
In a preferred embodiment of the present utility model, the middle position of the bidirectional transmission rod corresponds to the middle position of the base, and the right convex clamping plate and the left convex clamping plate are correspondingly installed.
In a preferred embodiment of the present utility model, the base is provided with a plurality of sliding grooves and a plurality of transmission grooves, each sliding groove is internally provided with a first limit rod, each transmission groove is internally provided with a bidirectional transmission rod, and two ends of the bidirectional transmission rod are rotatably connected with the inner wall of the transmission groove.
In a preferred embodiment of the present utility model, a transmission motor is mounted on the base, and an output end of the transmission motor is electrically connected with the bidirectional transmission rod.
In a preferred embodiment of the utility model, a plurality of threaded holes are formed in the periphery of the base and the upper clamping plate, and a fixing screw is arranged in each threaded hole in a matched mode.
In a preferred embodiment of the present utility model, the upper clamping plate is provided with a plurality of grooves, and the grooves are arranged corresponding to the left convex clamping plate and the right convex clamping plate.
The utility model solves the defects existing in the background technology, and has the following beneficial effects:
(1) The utility model provides a clamp device for a microfluidic chip, which is characterized in that the microfluidic chip is placed in a placing groove, the upper and lower directions of the microfluidic chip are clamped and fixed by utilizing the elasticity of a second telescopic spring and the cooperation of a second limiting rod, and then a transmission motor drives a bidirectional transmission rod to rotate, so that a right convex clamping plate and a left convex clamping plate on a transmission block are driven to relatively move above the transmission groove until the microfluidic chip is clamped against the left convex clamping plate and the right convex clamping plate which are mutually corresponding, the problems that the clamping stability of only a single direction is poor and the subsequent use is affected when the clamping is fixed are solved, and the problem that the detection efficiency is reduced due to the fact that only a single chip is clamped is solved.
(2) According to the utility model, the first limiting rod is matched with the first telescopic spring, the bidirectional transmission rod is matched with the transmission block, the left convex clamping plate and the right convex clamping plate are moved to clamp the microfluidic chip, when the microfluidic chip is disassembled, the first telescopic spring and the second telescopic spring are used for telescopic, and three directions of the microfluidic chip can be moved, so that the microfluidic chip is more convenient to disassemble and clamp.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a perspective view of a preferred embodiment of the present utility model;
FIG. 2 is an exploded view of a preferred embodiment of the present utility model;
FIG. 3 is a top view of the base of the preferred embodiment of the present utility model;
FIG. 4 is a cross-sectional view of a preferred embodiment of the present utility model;
FIG. 5 is an enlarged view of a partial structure of a preferred embodiment of the present utility model;
FIG. 6 is a bottom view of the upper clamp plate of the preferred embodiment of the present utility model;
in the figure: 1. a base; 2. an upper clamping plate; 3. a sealing frame; 4. a perspective opening; 5. a fixing screw; 6. a threaded hole; 7. a left convex clamping plate; 8. a right convex clamping plate; 9. pressing the plate; 10. a sliding groove; 11. a placement groove; 12. a first stop lever; 13. a first extension spring; 14. a two-way transmission rod; 15. a drive motor; 16. a transmission block; 17. a first slider; 18. a limit groove; 19. a second limit rod; 20. a second extension spring; 21. a second slider; 22. a groove.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the utility model, which are presented only by way of illustration, and thus show only the structures that are relevant to the utility model.
As shown in fig. 1 and 2, a clamp device for a microfluidic chip includes: the clamping device comprises a base 1, a plurality of clamping assemblies symmetrically arranged on the base 1 and a fixing assembly matched with the clamping assemblies; a plurality of standing grooves 11 have been seted up on the base 1, and every clamping assembly installs around standing groove 11, and clamping assembly includes: a plurality of first limiting rods 12, a first telescopic spring 13 arranged on each first limiting rod 12 in a matching way, and a first sliding block 17 arranged on the first telescopic spring 13; the first sliding block 17 is fixedly provided with a left convex clamping plate 7, and the bottom of the left convex clamping plate 7 is in contact installation with the bottom of the placing groove 11.
A plurality of bidirectional transmission rods 14 are symmetrically arranged on the base 1, a plurality of transmission blocks 16 are arranged on the bidirectional transmission rods 14, a right convex type clamping plate 8 is fixedly arranged on the transmission blocks 16, and a left convex type clamping plate 7 is fixedly arranged at one end, far away from the right convex type clamping plate 8, of the transmission blocks 16; a plurality of limiting grooves 18 are formed in the side wall of the placing groove 11 in an array mode, a second limiting rod 19 is installed in each limiting groove 18, and a second telescopic spring 20 is arranged on the second limiting rod 19 in a matched mode.
Through setting up first gag lever post 12 and first telescopic spring 13, two-way transfer line 14 and transmission piece 16 cooperation use, remove protruding grip block 7 in left side and protruding grip block 8 in right side and carry out the centre gripping to the micro-fluidic chip, when dismantling the micro-fluidic chip, flexible through first telescopic spring 13 and second telescopic spring 20, three positions of micro-fluidic chip are portable, have made things convenient for the dismantlement and the centre gripping of chip more.
As shown in fig. 3 and 4, a plurality of second sliding blocks 21 are fixedly connected to a plurality of second telescopic springs 20, and each second sliding block 21 is fixedly connected to a pressing plate 9; the pressing plates 9 are symmetrically arranged on two sides of the placing groove 11, one end of the second telescopic spring 20 is fixedly connected with the inner wall of the limiting groove 18, and the other end of the second telescopic spring is fixedly connected with the second sliding block 21.
The fixed subassembly includes: an upper clamping plate 2, a plurality of sealing frames 3 arranged on the upper clamping plate 2, and a perspective opening 4 arranged on the sealing frames 3; the middle position of the bidirectional transmission rod 14 corresponds to the middle position of the base 1, and the right convex clamping plate 8 and the left convex clamping plate 7 are correspondingly arranged.
The base 1 is provided with a plurality of sliding grooves 10 and a plurality of transmission grooves, a first limiting rod 12 is arranged in each sliding groove 10, a two-way transmission rod 14 is arranged in each transmission groove, and two ends of the two-way transmission rod 14 are rotatably connected with the inner wall of each transmission groove; the base 1 is provided with a transmission motor 15, and the output end of the transmission motor 15 is electrically connected with the bidirectional transmission rod 14.
As shown in fig. 5 and 6, a plurality of threaded holes 6 are formed in the periphery of the base 1 and the upper clamping plate 2, and a fixing screw 5 is arranged in each threaded hole 6 in a matched manner; the upper clamping plate 2 is provided with a plurality of grooves 22, and the grooves 22 are arranged corresponding to the left convex clamping plate 7 and the right convex clamping plate 8.
The micro-fluidic chip is placed in the placing groove 11, the upper and lower directions of the micro-fluidic chip are clamped and fixed by utilizing the elasticity of the second telescopic spring 20 and the cooperation of the second limiting rod 19, and then the transmission motor 15 drives the bidirectional transmission rod 14 to rotate, so that the right convex clamping plate 8 and the left convex clamping plate 7 on the transmission block 16 are driven to move relatively above the transmission groove until the micro-fluidic chip is clamped by the left convex clamping plate 7 and the right convex clamping plate 8 which are opposite to each other, the problems that the clamping stability of only a single direction is poor and the subsequent use is affected when the micro-fluidic chip is clamped and fixed are solved, and the problem that the detection efficiency is reduced due to the fact that only a single chip is clamped is solved.
When the micro-fluidic chip clamping device is used, a plurality of micro-fluidic chips to be clamped are placed in the placing groove 11, the micro-fluidic chips are clamped and fixed by the aid of the elastic force of the second telescopic springs 20 and the cooperation of the second limiting rods 19 through the pressing plates 9 arranged on the two side walls, then the transmission motor 15 drives the bidirectional transmission rods 14 to rotate, and further the right convex clamping plates 8 and the left convex clamping plates 7 on the transmission blocks 16 are driven to move relatively above the transmission groove until the micro-fluidic chips are clamped by the corresponding left convex clamping plates 7 and right convex clamping plates 8, and meanwhile, in the moving process, workers can take the pressing plates 9 away to prevent the micro-fluidic chips from being difficult to move and damaging the micro-fluidic chips due to the pressing of the pressing plates 9;
after the clamping is finished, when the microfluidic chip is continuously detected and observed, the microfluidic chip is prevented from being damaged, the upper clamping plate 2 is attached to the base 1, the grooves 22 are correspondingly formed in the left convex clamping plate 7 and the right convex clamping plate 8, the upper clamping plate 2 and the base 1 are fixedly installed together through the fixing screws 5, and then the microfluidic chip is observed and detected through the perspective port 4.
The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (9)
1. A clamp device for a microfluidic chip, comprising: the base (1), a plurality of clamping components symmetrically arranged on the base (1) and a fixing component matched with the clamping components are characterized in that,
a plurality of standing grooves (11) are formed in the base (1), each clamping assembly is installed around each standing groove (11), and each clamping assembly comprises: a plurality of first limiting rods (12), first telescopic springs (13) matched with each first limiting rod (12), and first sliding blocks (17) mounted on the first telescopic springs (13); the first sliding block (17) is fixedly provided with a left convex clamping plate (7), and the bottom of the left convex clamping plate (7) is in contact installation with the bottom of the placing groove (11);
a plurality of bidirectional transmission rods (14) are symmetrically arranged on the base (1), a plurality of transmission blocks (16) are arranged on the bidirectional transmission rods (14), a right convex clamping plate (8) is fixedly arranged on the transmission blocks (16), and a left convex clamping plate (7) is fixedly arranged at one end, far away from the right convex clamping plate (8), of the transmission blocks (16); a plurality of limit grooves (18) are formed in the side wall of the placing groove (11) in an array mode, a second limit rod (19) is installed in each limit groove (18), and a second telescopic spring (20) is arranged on the second limit rod (19) in a matched mode.
2. The jig device for a microfluidic chip according to claim 1, wherein: a plurality of second sliding blocks (21) are fixedly connected to the second telescopic springs (20), and a pressing plate (9) is fixedly connected to each second sliding block (21).
3. The jig device for a microfluidic chip according to claim 2, wherein: the pressing plates (9) are symmetrically arranged on two sides of the placing groove (11), one end of the second telescopic spring (20) is fixedly connected with the inner wall of the limiting groove (18), and the other end of the second telescopic spring is fixedly connected with the second sliding block (21).
4. The jig device for a microfluidic chip according to claim 1, wherein: the fixing assembly includes: the upper clamping plate (2), a plurality of sealing frames (3) arranged on the upper clamping plate (2), and a perspective opening (4) arranged on the sealing frames (3).
5. The jig device for a microfluidic chip according to claim 1, wherein: the middle position of the bidirectional transmission rod (14) corresponds to the middle position of the base (1), and the right convex clamping plate (8) and the left convex clamping plate (7) are correspondingly arranged.
6. The jig device for a microfluidic chip according to claim 1, wherein: a plurality of sliding grooves (10) and a plurality of transmission grooves are formed in the base (1), a first limiting rod (12) is arranged in each sliding groove (10), a bidirectional transmission rod (14) is arranged in each transmission groove, and two ends of the bidirectional transmission rod (14) are rotatably connected with the inner wall of each transmission groove.
7. The jig device for a microfluidic chip according to claim 1, wherein: the base (1) is provided with a transmission motor (15), and the output end of the transmission motor (15) is electrically connected with the bidirectional transmission rod (14).
8. The fixture device for a microfluidic chip according to claim 4, wherein: a plurality of threaded holes (6) are formed in the periphery of the base (1) and the upper clamping plate (2), and a fixing screw (5) is arranged in each threaded hole (6) in a matched mode.
9. The fixture device for a microfluidic chip according to claim 4, wherein: a plurality of grooves (22) are formed in the upper clamping plate (2), and the grooves (22) are correspondingly arranged with the left convex clamping plate (7) and the right convex clamping plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322269928.7U CN220657604U (en) | 2023-08-23 | 2023-08-23 | Clamp device for microfluidic chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322269928.7U CN220657604U (en) | 2023-08-23 | 2023-08-23 | Clamp device for microfluidic chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220657604U true CN220657604U (en) | 2024-03-26 |
Family
ID=90333999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322269928.7U Active CN220657604U (en) | 2023-08-23 | 2023-08-23 | Clamp device for microfluidic chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220657604U (en) |
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2023
- 2023-08-23 CN CN202322269928.7U patent/CN220657604U/en active Active
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