CN211358889U - Clamping device for micro-fluidic chip - Google Patents
Clamping device for micro-fluidic chip Download PDFInfo
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- CN211358889U CN211358889U CN201921526954.0U CN201921526954U CN211358889U CN 211358889 U CN211358889 U CN 211358889U CN 201921526954 U CN201921526954 U CN 201921526954U CN 211358889 U CN211358889 U CN 211358889U
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Abstract
The utility model discloses a clamping device for micro-fluidic chip especially relates to micro-fluidic chip technical field, and clamping device includes: the handle, the handle upper end runs through and sliding connection has the button. When the microfluidic chip needs to be clamped, the button is pressed by holding the handle, and the lower pressing rod and the upper pressing rod respectively drive the upper clamping plate to move downwards and the lower clamping plate to move upwards along with the pressing of the button, so that the clamping force between the upper clamping plate and the lower clamping plate is controlled along with the force of pressing the button, and the force control is more coordinated; when needs fixed punch holder and lower plate, along with punch holder and lower plate clamp micro-fluidic chip mutually, can be through pressing the inserted bar, and make the inserted bar insert in the slot with the connecting plate joint to make the button joint, and then can play the effect of fixed punch holder and lower plate, make and not need the user to press the button always, overcome among the prior art dynamics control and be difficult to coordinate and be difficult to defects such as fixed splint.
Description
Technical Field
The utility model relates to a micro-fluidic chip technical field especially relates to a clamping device for micro-fluidic chip.
Background
The micro-fluidic chip technology integrates basic operation units of sample preparation, reaction, separation, detection and the like in the biological, chemical and medical analysis process into a micron-scale chip to automatically complete the whole analysis process, has been developed into a brand-new research field crossing with disciplines such as biology, chemistry, medicine, fluid, electronics, materials, machinery and the like due to the huge potential of the micro-fluidic chip in the fields such as biology, chemistry, medicine and the like, and needs a clamping device in the clamping process of the micro-fluidic chip.
However, in the clamping device for the microfluidic chip, when the microfluidic chip is clamped, force control is difficult to coordinate, so that the microfluidic chip is easy to damage, and when the microfluidic chip is clamped, the clamping plate is difficult to fix, so that a user needs to apply force to the clamping plate all the time.
SUMMERY OF THE UTILITY MODEL
In order to overcome among the prior art dynamics control be difficult to coordinate and be difficult to defects such as solid fixed splint, the utility model provides a clamping device for micro-fluidic chip, dynamics control is more coordinated, is convenient for fixed punch holder and lower plate moreover.
The utility model provides a technical scheme that its technical problem adopted is: a clamping device for a microfluidic chip, the clamping device comprising: the handle, the upper end of the handle is connected with a button in a penetrating and sliding manner, the lower end of the button is connected with a connecting plate in the handle in a penetrating manner, the left side of the lower end of the connecting plate is fixedly connected with a lower pressure rod, the tail end of the lower pressure rod is connected with an upper clamping plate in a penetrating manner through the handle, the middle part in the handle is fixedly connected with a fixing plate, the left side and the right side of the upper end of the fixing plate are respectively fixed with a first piston tube and a second piston tube, the inside of the first piston tube is connected with a first piston in a sliding manner, the upper end of the first piston is fixedly embedded with a first piston rod in an L-shaped structure, the tail end of the first piston rod extends out of the first piston tube to be fixedly connected with the lower pressure rod, the inside of the second piston tube is connected with a second piston in a sliding manner, the, the tail end of the upper pressure rod penetrates through the handle to be connected with a lower clamping plate, the lower side of the right end of the lower pressure rod and the lower side of the left end of the upper pressure rod are fixedly connected with side blocks, and the lower end of each side block is fixedly embedded with a return spring connected with the handle; the utility model discloses a handle, including connecting plate, slot, handle left end, inserted bar, kerve, side channel, every side channel tank bottom all scarf joint and be fixed with the pressure spring, every the terminal homogeneous phase of pressure spring has connect the fixture block of pegging graft with the slot, the draw-in groove has all been opened at both ends about the slot inner wall, the handle left end runs through and sliding connection has the inserted bar, the inserted bar is pegged graft with the slot, the side channel has all been opened at both ends about the inserted bar, every the.
In the clamping device, the connecting pipe is connected between the first piston pipe and the second piston pipe, and the first piston pipe and the second piston pipe are communicated through the connecting pipe.
In the clamping device, the lower pressure rod and the upper pressure rod are both in an L-shaped structure, and the tail ends of the lower pressure rod and the upper pressure rod are positioned on the same vertical plane.
In the clamping device, hydraulic oil is filled in the first piston tube.
In the clamping device, the right end of the side block on the left side is fixedly connected with the slide rail, the left end of the side block on the right side is fixedly connected with the slide block, and the slide block is slidably connected with the slide rail.
In the clamping device, at least three limiting rings are vertically and uniformly fixed at the left end and the right end of the inner wall of the handle, and the limiting rings are respectively connected with the lower pressing rod and the upper pressing rod in a sliding manner.
Compared with the prior art, the utility model discloses the beneficial effect who realizes: when the microfluidic chip needs to be clamped, the button is pressed by holding the handle, and the lower pressing rod and the upper pressing rod respectively drive the upper clamping plate to move downwards and the lower clamping plate to move upwards along with the pressing of the button, so that the clamping force between the upper clamping plate and the lower clamping plate is controlled along with the force of pressing the button, and the force control is more coordinated; when the upper clamp plate and the lower clamp plate are required to be fixed, the insert rod can be inserted into the insert slot and clamped with the connecting plate through pressing the insert rod along with the micro-fluidic chip clamped by the upper clamp plate and the lower clamp plate, so that the button is clamped, the effect of fixing the upper clamp plate and the lower clamp plate can be achieved, and a user is not required to press the button all the time.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a general schematic view of the present invention;
FIG. 2 is a schematic view of the overall usage of the present invention;
fig. 3 is an enlarged view of a portion a of the web of fig. 2.
In the figure: 1-handle, 2-spacing ring, 3-button, 4-connecting plate, 5-slot, 6-neck, 7-inserted rod, 8-lower pressure rod, 9-first piston rod, 10-first piston, 11-first piston tube, 12-upper clamping plate, 13-side block, 14-reset spring, 15-upper pressure rod, 16-second piston rod, 17-second piston tube, 18-second piston, 19-fixing plate, 20-lower clamping plate, 21-sliding rail, 22-sliding block, 23-side groove, 24-clamping block and 25-pressure spring.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Referring to fig. 1 to 2, a clamping device for a microfluidic chip comprises: the handle 1, the upper end of the handle 1 is connected with a button 3 in a penetrating and sliding manner, the lower end of the button 3 is connected with a connecting plate 4 in the handle 1 in a penetrating manner, the left side of the lower end of the connecting plate 4 is fixedly connected with a lower pressure rod 8, the tail end of the lower pressure rod 8 is connected with an upper clamping plate 12 in a penetrating manner through the handle 1, the middle part inside the handle 1 is fixedly connected with a fixing plate 19, the left side and the right side of the upper end of the fixing plate 19 are respectively fixed with a first piston tube 11 and a second piston tube 17, the first piston tube 11 is connected with a first piston 10 in a sliding manner, the upper end of the first piston 10 is embedded and fixed with a first piston rod 9 in an L-shaped structure, the tail end of the first piston rod 9 extends out to be fixedly connected with the lower pressure rod 8, the inside the second piston tube 17 is connected with a second piston 18 in a sliding manner, and the, a second piston tube 17 extends from the end of the second piston rod 16 to be fixedly connected with an upper pressure rod 15, the end of the upper pressure rod 15 penetrates through the handle 1 to be connected with a lower clamping plate 20, the lower side of the right end of the lower pressure rod 8 and the lower side of the left end of the upper pressure rod 15 are fixedly connected with side blocks 13, the lower end of each side block 13 is fixedly embedded with a return spring 14 connected with the handle 1, a connecting tube is connected between the first piston tube 11 and the second piston tube 17, the first piston tube 11 is communicated with the second piston tube 17 through the connecting tube, the lower pressure rod 8 and the upper pressure rod 15 are both in an L-shaped structure, the ends of the lower pressure rod 8 and the upper pressure rod 15 are positioned on the same vertical plane, hydraulic oil is filled in the first piston tube 11, when a microfluidic chip needs to be clamped, the handle 1 is held to press the button 3, and the connecting plate 4 is used for driving the lower pressure rod, when the lower pressing rod 8 drives the upper clamping plate 12 to press downwards, the first piston rod 9 is driven to press downwards, so that the first piston 10 extrudes hydraulic oil in the first piston tube 11, then the hydraulic oil is input into the second piston tube 17 through the connecting tube to extrude the second piston 18, so that the second piston 18 drives the second piston rod 16 to move upwards, the upper pressing rod 15 is driven to move upwards through the second piston rod 16, the lower clamping plate 20 moves upwards to be matched with the upper clamping plate 12 to clamp a microfluidic chip, the clamping force between the upper clamping plate 12 and the lower clamping plate 20 is controlled along with the force of pressing the button 3, and the force control is more coordinated.
Further, when the button 3 is released, the lower pressure bar 8 and the upper pressure bar 15 are respectively driven to return to the original positions by the return spring 14 which is pressed against the side block 13, so that the lower clamping plate 20 and the upper clamping plate 12 are released.
As shown in fig. 1 to 3, the embodiment is different from the above embodiments in that the left end of the connecting plate 4 is provided with a slot 5, the upper end and the lower end of the inner wall of the slot 5 are provided with a slot 6, the left end of the handle 1 is penetrated and slidably connected with an insertion rod 7, the insertion rod 7 is inserted into the slot 5, the upper end and the lower end of the insertion rod 7 are provided with side grooves 23, the bottom of each side groove 23 is embedded and fixed with a pressure spring 25, the tail end of each pressure spring 25 is connected with a clamping block 24 inserted into the slot 6, when the upper clamping plate 12 and the lower clamping plate 20 need to be fixed, the insertion rod 7 can be inserted into the slot 5 by pressing the insertion rod 7 along with the micro-fluidic chip clamped between the upper clamping plate 12 and the lower clamping plate 20, the insertion rod 7 can be clamped with the clamping block 6 and the slot 6 along with the pressure spring 25 in the side groove 23 bouncing against the clamping block 24 to clamp 6, so that the insertion rod 7 is clamped with the connecting plate, so that the user is not required to hold down the button 3 all the time.
As shown in fig. 1 to 2, preferably, the right end of the side block 13 on the left side is fixedly connected with a slide rail 21, the left end of the side block 13 on the right side is fixedly connected with a slide block 22, the slide block 22 is slidably connected with the slide rail 21, when the lower pressing rod 8 and the upper pressing rod 15 both drive the side block 13 to move up and down, the slide block 22 slides in the slide rail 21, so that the stability of the lower pressing rod 8 and the upper pressing rod 15 can be increased, and the phenomenon of shaking of the lower pressing rod 8 and the upper pressing rod 15 is prevented.
As shown in fig. 1 to 2, preferably, at least three limiting rings 2 are vertically and uniformly fixed at the left end and the right end of the inner wall of the handle 1, the limiting rings 2 are respectively connected with the lower pressing rod 8 and the upper pressing rod 15 in a sliding manner, and when the lower pressing rod 8 and the upper pressing rod 15 move up and down in the limiting rings 2, the limiting function of the lower pressing rod 8 and the upper pressing rod 15 can be achieved through the limiting rings 2, so that the stability of the lower pressing rod 8 and the upper pressing rod 15 is further improved.
The working principle is as follows: firstly, when a micro-fluidic chip needs to be clamped, the handle 1 is held to press the button 3, the connecting plate 4 is used for driving the lower pressing rod 8 to move downwards, the lower pressing rod 8 drives the upper clamping plate 12 to press downwards and simultaneously drives the first piston rod 9 to press downwards, so that the first piston 10 extrudes hydraulic oil in the first piston tube 11, then the hydraulic oil is input into the second piston tube 17 through the connecting tube to extrude the second piston 18, so that the second piston 18 drives the second piston rod 16 to move upwards, the second piston rod 16 drives the upper pressing rod 15 to move upwards, the lower clamping plate 20 moves upwards to be matched with the upper clamping plate 12 to clamp the micro-fluidic chip, the clamping force between the upper clamping plate 12 and the lower clamping plate 20 is controlled along with the force of pressing the button 3, the force control is more coordinated, when the button 3 is loosened, the side block 13 is bounced by the reset spring 14 to restore to the original position, and drive depression bar 8 and last depression bar 15 respectively and resume the normal position, thereby make the lower plate 20 and the punch holder 12 of loosening, when needs fixed punch holder 12 and lower plate 20, along with punch holder 12 presss from both sides micro-fluidic chip with lower plate 20 mutually, can be through pressing the inserted bar 7, and make the inserted bar 7 insert in the slot 5, along with the pressure spring 25 in the side channel 23 is bouncing on the fixture block 24 and is inserting draw-in groove 6 and draw-in groove 6 joint, and make inserted bar 7 and connecting plate 4 joint, thereby make button 3 joint, and then can play the effect of fixed punch holder 12 and lower plate 20, make not need the user to press button 3 always.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A clamping device for a microfluidic chip, the clamping device comprising:
the handle, the upper end of the handle is connected with a button in a penetrating and sliding manner, the lower end of the button is connected with a connecting plate in the handle in a penetrating manner, the left side of the lower end of the connecting plate is fixedly connected with a lower pressure rod, the tail end of the lower pressure rod is connected with an upper clamping plate in a penetrating manner through the handle, the middle part in the handle is fixedly connected with a fixing plate, the left side and the right side of the upper end of the fixing plate are respectively fixed with a first piston tube and a second piston tube, the inside of the first piston tube is connected with a first piston in a sliding manner, the upper end of the first piston is fixedly embedded with a first piston rod in an L-shaped structure, the tail end of the first piston rod extends out of the first piston tube to be fixedly connected with the lower pressure rod, the inside of the second piston tube is connected with a second piston in a sliding manner, the, the tail end of the upper pressure rod penetrates through the handle to be connected with a lower clamping plate, the lower side of the right end of the lower pressure rod and the lower side of the left end of the upper pressure rod are fixedly connected with side blocks, and the lower end of each side block is fixedly embedded with a return spring connected with the handle; the utility model discloses a handle, including connecting plate, slot, handle left end, inserted bar, kerve, side channel, every side channel tank bottom all scarf joint and be fixed with the pressure spring, every the terminal homogeneous phase of pressure spring has connect the fixture block of pegging graft with the slot, the draw-in groove has all been opened at both ends about the slot inner wall, the handle left end runs through and sliding connection has the inserted bar, the inserted bar is pegged graft with the slot, the side channel has all been opened at both ends about the inserted bar, every the.
2. A holding device for a microfluidic chip as claimed in claim 1, wherein: the first piston pipe and the second piston pipe are communicated through the connecting pipe.
3. A holding device for a microfluidic chip as claimed in claim 1, wherein: the lower pressure lever and the upper pressure lever are both in L-shaped structures, and the tail ends of the lower pressure lever and the upper pressure lever are positioned on the same vertical plane.
4. A holding device for a microfluidic chip as claimed in claim 1, wherein: and hydraulic oil is filled in the first piston tube.
5. A holding device for a microfluidic chip as claimed in claim 1, wherein: the right end of the left side block is fixedly connected with a slide rail, the left end of the right side block is fixedly connected with a slide block, and the slide block is connected with the slide rail in a sliding manner.
6. A holding device for a microfluidic chip as claimed in claim 1, wherein: at least three limiting rings are vertically and uniformly fixed at the left end and the right end of the inner wall of the handle, and the limiting rings are respectively connected with the lower pressing rod and the upper pressing rod in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921526954.0U CN211358889U (en) | 2019-09-12 | 2019-09-12 | Clamping device for micro-fluidic chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921526954.0U CN211358889U (en) | 2019-09-12 | 2019-09-12 | Clamping device for micro-fluidic chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211358889U true CN211358889U (en) | 2020-08-28 |
Family
ID=72164013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921526954.0U Active CN211358889U (en) | 2019-09-12 | 2019-09-12 | Clamping device for micro-fluidic chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211358889U (en) |
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2019
- 2019-09-12 CN CN201921526954.0U patent/CN211358889U/en active Active
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20210819 Address after: No.66210, 3rd floor, Pudong Free Trade Zone, Shanghai, China Patentee after: Shanghai Renxin Biotechnology Co.,Ltd. Address before: 201203 Pudong New Area, Shanghai, China (Shanghai) free trade trial area, No. 3, 1 1, Fang Chun road. Patentee before: SHANGHAI RENJING BIOLOGICAL TECHNOLOGY Co.,Ltd. |