CN108704681B - Plug-in type micro-fluidic chip securing device - Google Patents
Plug-in type micro-fluidic chip securing device Download PDFInfo
- Publication number
- CN108704681B CN108704681B CN201810512397.0A CN201810512397A CN108704681B CN 108704681 B CN108704681 B CN 108704681B CN 201810512397 A CN201810512397 A CN 201810512397A CN 108704681 B CN108704681 B CN 108704681B
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- device body
- stabilizing
- fixedly connected
- sliding rod
- chip
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
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- Dispersion Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Sampling And Sample Adjustment (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
The invention discloses an instant insertion type microfluidic chip stabilizing device which comprises a device body, wherein a chip slot is arranged inside the device body, a stabilizing slot is arranged at the end face position of the device body, an anti-reverse insertion mechanism is arranged inside the device body, a sliding rod is arranged on the device body, a sliding way is arranged on the side face of the device body, a fixing plate is arranged at the other end of the sliding rod, a pressing plate is arranged right above the sliding rod, and a protective rubber pad and a plastic spring are arranged on the inner side face of the pressing plate. The anti-insertion device is simple in structure, prevents the anti-insertion situation through the mutual matching effect of the limiting block and the limiting column, stabilizes the chip through the matching effect of the sliding rod, the protective rubber pad and the plastic spring, and is convenient to use and high in practicability.
Description
Technical Field
The invention relates to a stabilizing mechanism, in particular to an instant-plugging type micro-fluidic chip stabilizing device.
Background
The microfluidic chip technology integrates basic operation units of sample preparation, reaction, separation, detection and the like in biological, chemical and medical analysis processes into a micron-scale chip, and automatically completes the whole analysis process. Due to its great potential in the fields of biology, chemistry, medicine and the like, the method has been developed into a new research field crossing the disciplines of biology, chemistry, medicine, fluid, electronics, materials, machinery and the like.
Due to their small size, low reagent consumption, high integration and other features, more and more researchers are beginning to focus on microfluidic chips. For the use of microfluidic chips, an important part is the connection between the external fluid and the microfluidic chip pipeline. Most microfluidic chip users still employ a direct adhesive bonding method for bonding the rigid chip to the fluid conduit. The connection method belongs to irreversible connection, the chip and the fluid conduit cannot be disassembled and used subsequently, and meanwhile, the connection method also influences the fixation and observation of the chip to a great extent. The problem of chip robustness needs to be solved.
Disclosure of Invention
The present invention is directed to a securing device for an insert-type microfluidic chip, which solves the above problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
an instant-plugging type micro-fluidic chip stabilizing device comprises a device body, wherein a chip slot is arranged inside the device body, the chip slot is fixedly connected with the inner wall of the device body, a stabilizing slot is arranged at the end face position of the device body, the stabilizing slot is arranged at the outer side of the chip slot, the stabilizing slot is fixedly connected with the end face of the device body, an anti-reverse-plugging mechanism is arranged inside the device body, a sliding rod is arranged on the device body, a sliding way is arranged on the side face of the device body, the sliding way is fixedly connected with the device body under the action of a screw, the sliding rod is slidably connected with the device body, a fastening knob is arranged on the sliding rod, the fastening knob is fixedly connected with the sliding rod under the action of a thread, a fixing plate is arranged at the other end of the sliding rod, and the fixing plate and the sliding rod are of an integrally-formed structure, set screw is arranged on the fixing plate, effect fixed connection is achieved between the set screw and the fixing plate through threads, a pressing plate is arranged right above the sliding rod, effect fixed connection is achieved between the pressing plate and the sliding rod through screws, a protective rubber pad and a plastic spring are arranged on the inner side face of the pressing plate, the protective rubber pad and the pressing plate are connected in a sticking mode through the effect of glue, and the plastic spring is fixedly connected with the pressing plate through the effect of the screws.
As a further scheme of the invention: the device comprises a device body and is characterized in that first stabilizing bolts are arranged at two ends of the device body, four first stabilizing bolts are arranged at the two ends of the device body, and two first stabilizing bolts are arranged at the two ends of the device body.
As a further scheme of the invention: the inner wall of the device body is provided with a first internal thread sleeve, and the first stabilizing bolt is fixedly connected with the first internal thread sleeve through the action of threads.
As a further scheme of the invention: the limiting block is of a right-angle triangular prism structure, a right-angle surface of the limiting block is fixedly connected with the inner wall of the device body, the end part of the limiting block faces the outer side and is of a pointed structure, and the end surface of the inner side of the limiting block is of another right-angle surface.
As a further scheme of the invention: the anti-reverse-insertion mechanism is provided with a limiting block, the anti-reverse-insertion mechanism is provided with a limiting groove, the limiting groove is fixedly connected with the inner wall of the device body, and a limiting column is arranged inside the limiting groove.
As a further scheme of the invention: spacing post comprises hinge, three angle bolts, convex bolt, the firm bolt of second, second internal thread sleeve, the bottom of spacing post sets up the hinge, the bottom fixed connection of the one end of hinge and spacing groove, fixed connection between the bottom of the other end and spacing post, the top of spacing post sets up three angle bolts, the bottom of three angle bolts sets up convex bolt, effect fixed connection through convex bolt between three angle bolts and the spacing post, the outside of spacing post sets up the firm bolt of second, the inside of spacing post sets up second internal thread sleeve, fastens through the effect of second firm bolt and second internal thread sleeve.
As a still further scheme of the invention: the protection rubber pads are arranged in two numbers, and the plastic rubber springs are arranged in the middle of the two protection rubber pads.
Compared with the prior art, the invention has the beneficial effects that: the anti-insertion device is simple in structure, prevents the anti-insertion situation through the mutual matching effect of the limiting block and the limiting column, stabilizes the chip through the matching effect of the sliding rod, the protective rubber pad and the plastic spring, and is convenient to use and high in practicability.
Drawings
Fig. 1 is a schematic structural diagram of a securing device for an insert-type microfluidic chip.
Fig. 2 is a schematic structural diagram of a limiting column in the plug-in type microfluidic chip stabilizing device.
Fig. 3 is a schematic structural diagram of the inner side surface of the pressure plate in the plug-in type microfluidic chip stabilizing device.
In the figure: 1-device body, 2-chip slot, 3-first stabilizing bolt, 4-first internal thread sleeve, 5-stabilizing slot, 6-limiting slot, 7-limiting column, 8-hinge, 9-hinge, 10-convex bolt, 11-second stabilizing bolt, 12-second internal thread sleeve, 13-slideway, 14-sliding rod, 15-fastening knob, 16-fixing plate, 17-fixing screw, 18-pressing plate, 19-protective rubber pad and 20-plastic spring.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-3, an instant insert type microfluidic chip securing device includes a device body 1, a chip slot 2 is disposed inside the device body 1, the chip slot 2 is fixedly connected to an inner wall of the device body 1, and is connected to a pipeline by the chip slot 2, so as to achieve the purpose of power-on, four first securing bolts 3 are disposed at two ends of the device body 1, two first securing bolts 3 are disposed at two ends of the device body 1, a first internal thread sleeve 4 is disposed on the inner wall of the device body 1, the first securing bolts 3 are fastened to the first internal thread sleeve 4 by the action of threads, an internal connector of the device body 1 is fastened by the action of the first securing bolts 3, so as to prevent the connector from being connected to the device body 1 unstably and easily falling off, a securing slot 5 is disposed at an end face of the device body 1, the firm slot 5 is arranged at the outer side of the chip slot 2, the firm slot 5 is fixedly connected with the end surface of the device body 1, a slide bar 14 is arranged on the device body 1, a slide 13 is arranged at the side surface of the device body 1, the slide 13 is fixedly connected with the device body 1 through the action of screws, the slide bar 14 is slidably connected with the device body 1, a fastening knob 15 is arranged on the slide bar 14, the fastening knob 15 is fixedly connected with the slide bar 14 through the action of threads, the other end of the slide bar 14 is provided with a fixing plate 16, the fixing plate 16 and the slide bar 14 are of an integrally formed structure, a fixing screw 17 is arranged on the fixing plate 16, the fixing screw 17 is fixedly connected with the fixing plate 16 through the action of threads, a pressing plate 18 is arranged right above the slide bar 14, and the pressing plate 18 is fixedly connected with the slide bar 14 through the action of screws, set up protection rubber pad 19 and plastic spring 20 on the medial surface of clamp plate 18, paste through the effect of glue between protection rubber pad 19 and the clamp plate 18 and be connected, effect fixed connection through the screw between plastic spring 20 and the clamp plate 18, protection rubber pad 19 sets up two, plastic spring 20 sets up the intermediate position at two protection rubber pads 19.
The anti-reverse-insertion device is characterized in that an anti-reverse-insertion mechanism is arranged inside the device body 1, the anti-reverse-insertion mechanism is provided with a limiting block, the limiting block is of a right-angle triangular prism structure, one right-angle surface of the limiting block is fixedly connected with the inner wall of the device body 1, the end part of the limiting block, facing the outer side, is of a pointed structure, the end surface of the inner side of the limiting block is of the other right-angle surface, the anti-reverse-insertion mechanism is provided with a limiting groove 6, the limiting groove 6 is fixedly connected with the inner wall of the device body 1, a limiting column 7 is arranged inside the limiting groove 6, reverse insertion is prevented through the action of the limiting block and the limiting column 7, and the limiting column 7 mainly comprises a hinge 8, a triangular pin 9, a convex bolt 10, a second stabilizing bolt 11 and a second internal thread sleeve 12; the bottom of spacing post 7 sets up hinge 8, the one end of hinge 8 and the bottom fixed connection of spacing groove 6, fixed connection between the bottom of the other end and spacing post 7, the top of spacing post 7 sets up three angle bolts 9, three angle bolts 9's bottom sets up convex bolt 10, effect fixed connection through convex bolt 10 between three angle bolts 9 and the spacing post 7, and through convex bolt 10's connected mode, make three angle bolts 9 can follow the trade as required, avoid long-term the use to lead to three angle bolts 9 to damage to lose and prevent the effect of anti-reverse plug to weaken, the outside of spacing post 7 sets up second stabilizing bolt 11, the inside of spacing post 7 sets up second internal thread sleeve 12, fastens through second stabilizing bolt 11 and second internal thread sleeve 12's the effect, makes its connection more firm, avoids droing.
The working principle of the invention is as follows: when the chip fixing device is used, a chip is inserted into the chip slot 2, the chip is connected with a pipeline through the action of the chip slot 2, the circuit is burnt off due to the fact that the chip is placed by an anti-reverse insertion mechanism in the insertion process, the anti-reverse insertion is prevented through the mutual matching action of the limiting block and the limiting column 7, the chip is fixed through the action of the sliding rod 14, the sliding rod 14 is moved leftwards and rightwards when the sliding rod 14 is used, the plastic spring 20 on the inner side surface of the pressing plate 18 is contacted with the end part of the chip, the end part of the chip is contacted with the protective rubber pad 19 through extrusion, the sliding rod 14 is stopped moving at the moment, the position of the sliding rod 14 is fixed through the action of the fastening knob 15 and the fixing screw 17, and the position of the chip is fixed, the structure of the chip is simple, and the anti-reverse insertion is prevented through the mutual matching action of the limiting block and the limiting column 7, and the chip is stabilized through the action of the slide rod 14 matched with the protective rubber pad 19 and the plastic spring 20, and the chip is placed to fall off, so that the use is convenient, and the practicability is high.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (4)
1. An instant-plugging type micro-fluidic chip stabilizing device comprises a device body (1) and is characterized in that a chip slot (2) is arranged inside the device body (1), the chip slot (2) is fixedly connected with the inner wall of the device body (1), a stabilizing slot (5) is arranged at the end face position of the device body (1), the stabilizing slot (5) is arranged at the outer side of the chip slot (2), the stabilizing slot (5) is fixedly connected with the end face of the device body (1), an anti-reverse plugging mechanism is arranged inside the device body (1), a sliding rod (14) is arranged on the device body (1), a sliding way (13) is arranged on the side face of the device body (1), the sliding way (13) is fixedly connected with the device body (1) through the action of a screw, and the sliding connection between the sliding rod (14) and the device body (1), a fastening knob (15) is arranged on the sliding rod (14), the fastening knob (15) is fastened and connected with the sliding rod (14) through the action of threads, the other end of the sliding rod (14) is provided with a fixed plate (16), the fixed plate (16) and the sliding rod (14) are of an integrated structure, the fixing plate (16) is provided with a fixing screw (17), the fixing screw (17) is fixedly connected with the fixing plate (16) through the action of screw threads, a pressure plate (18) is arranged right above the sliding rod (14), the pressure plate (18) is fixedly connected with the sliding rod (14) through the action of a screw, a protective rubber pad (19) and a plastic spring (20) are arranged on the inner side surface of the pressing plate (18), the protective rubber pad (19) is connected with the pressing plate (18) through the function of glue, the plastic spring (20) is fixedly connected with the pressure plate (18) through the action of a screw; two ends of the device body (1) are provided with first stabilizing bolts (3), four first stabilizing bolts (3) are arranged, and two ends of the device body (1) are respectively arranged; a first internal thread sleeve (4) is arranged on the inner wall of the device body (1), and the first stabilizing bolt (3) is tightly connected with the first internal thread sleeve (4) through the action of threads; the anti-reverse-insertion mechanism is provided with a limiting block, the anti-reverse-insertion mechanism is provided with a limiting groove (6), the limiting groove (6) is fixedly connected with the inner wall of the device body (1), and a limiting column (7) is arranged inside the limiting groove (6).
2. The plug-in type microfluidic chip stabilizing device according to claim 1, wherein the limiting block is of a right-angle rhombus structure, one right-angle surface of the limiting block is fixedly connected with the inner wall of the device body (1), the end part of the limiting block facing outwards is of a pointed structure, and the end surface of the inner side of the limiting block is of the other right-angle surface.
3. The plug-in microfluidic chip stabilizing device according to claim 2, wherein the limiting column (7) mainly comprises a hinge (8), a triangular pin (9), a convex bolt (10), a second stabilizing bolt (11) and a second internal threaded sleeve (12), the hinge (8) is arranged at the bottom of the limiting column (7), one end of the hinge (8) is fixedly connected with the bottom of the limiting groove (6), the other end of the hinge is fixedly connected with the bottom of the limiting column (7), the triangular pin (9) is arranged at the top of the limiting column (7), the convex bolt (10) is arranged at the bottom of the triangular pin (9), the triangular pin (9) is fixedly connected with the limiting column (7) through the action of the convex bolt (10), the second stabilizing bolt (11) is arranged at the outer side of the limiting column (7), the second internal threaded sleeve (12) is arranged inside the limiting column (7), fastening is performed by the action of a second stabilizing bolt (11) and a second internally threaded sleeve (12).
4. The securing device for plug-in microfluidic chip of claim 3, wherein there are two protective rubber pads (19), and the plastic spring (20) is disposed in the middle of the two protective rubber pads (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810512397.0A CN108704681B (en) | 2018-05-25 | 2018-05-25 | Plug-in type micro-fluidic chip securing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810512397.0A CN108704681B (en) | 2018-05-25 | 2018-05-25 | Plug-in type micro-fluidic chip securing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108704681A CN108704681A (en) | 2018-10-26 |
| CN108704681B true CN108704681B (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810512397.0A Expired - Fee Related CN108704681B (en) | 2018-05-25 | 2018-05-25 | Plug-in type micro-fluidic chip securing device |
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| CN (1) | CN108704681B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020090481A1 (en) * | 2018-10-29 | 2020-05-07 | Nok株式会社 | Micro-fluid chip and micro-fluid device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6431212B1 (en) * | 2000-05-24 | 2002-08-13 | Jon W. Hayenga | Valve for use in microfluidic structures |
| CN201524578U (en) * | 2009-10-19 | 2010-07-14 | 深港产学研基地 | Reaction tray |
| CN105344404B (en) * | 2015-12-04 | 2017-09-15 | 苏州汶颢芯片科技有限公司 | Micro-fluidic chip clamp |
| CN105413779B (en) * | 2015-12-11 | 2018-02-06 | 苏州汶颢芯片科技有限公司 | Prepare the micro-fluidic chip clamp of multistage emulsion and the preparation system of multistage emulsion |
| CN206937137U (en) * | 2017-04-26 | 2018-01-30 | 广东工业大学 | A kind of L-type hole position micro-fluidic chip leads to liquid fixture |
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2018
- 2018-05-25 CN CN201810512397.0A patent/CN108704681B/en not_active Expired - Fee Related
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| CN108704681A (en) | 2018-10-26 |
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Granted publication date: 20211001 |