CN111451957A

CN111451957A - Reversible micro-fluidic chip anchor clamps

Info

Publication number: CN111451957A
Application number: CN202010302999.0A
Authority: CN
Inventors: 刘学伟; 黄仕海
Original assignee: Shenzhen Flyking Technology Co ltd
Current assignee: Shenzhen Flyking Technology Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-07-28

Abstract

The invention discloses a reversible microfluidic chip clamp, which comprises a base, a supporting table and a clamp body, wherein the supporting table is arranged above the base, the clamp body is fixedly arranged on the supporting table, the middle part of the clamp body is provided with a groove, U-shaped clamping grooves are symmetrically arranged at two sides of the groove, an upper pressing plate and a side pressing plate are movably arranged in the two U-shaped clamping grooves, a plurality of second threaded rods are inserted into the left side and the right side of the top of the clamp body from front to back through threads, the lower ends of the plurality of second threaded rods positioned at the same side are rotatably connected onto the upper pressing plate close to the upper pressing plate, two sliding rods are symmetrically inserted into the two sides of the clamp body in a sliding manner from front to back, one ends of the sliding rods facing the inside of the clamp body are fixedly connected onto the side pressing plate close to the sliding rods, the bottom of the groove is symmetrically provided with, high firmness and high stability.

Description

Reversible micro-fluidic chip anchor clamps

Technical Field

The invention relates to the technical field of microfluidic chips, in particular to a reversible microfluidic chip clamp.

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, and has been developed into a brand-new research field crossing the disciplines of biology, chemistry, medicine, fluid, electronics, materials, machinery and the like due to the huge potential of the micro-fluidic chip in the fields of biology, chemistry, medicine and the like.

The micro-fluidic chip has the advantages of small volume, less reagent usage, high integration and the like, more and more researchers begin to pay attention to the micro-fluidic chip, most researchers of the micro-fluidic chip adopt direct gluing of the chip and a guide pipe at the present stage, the connection method belongs to irreversible connection, so that the micro-fluidic chip cannot be disassembled, the cost is high, and subsequent observation is influenced.

Disclosure of Invention

Embodiments of the present invention aim to provide a reversible microfluidic chip clamp to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme:

a reversible microfluidic chip clamp comprises a base, a supporting table and a clamp body, wherein the supporting table is arranged above the base, two first threaded rods are rotatably arranged on the base through bearings, an internal thread sleeve is in threaded connection with each of the two first threaded rods, the upper end of each internal thread sleeve is fixedly connected to the bottom of the supporting table, and the clamp body is fixedly arranged on the supporting table; the anchor clamps body middle part is equipped with the recess, the recess bilateral symmetry is equipped with U type draw-in groove, equal activity is equipped with top plate and side guide in the twice U type draw-in groove, anchor clamps body top left and right sides is inserted by preceding back screw thread and is equipped with many second threaded rods, lie in all rotating the connection on the top plate close with it with many second threaded rod lower extremes of one side, the symmetrical slip is inserted around anchor clamps body both sides is equal and is equipped with two slide bars, the slide bar is towards the equal fixed connection of this internal one end of anchor clamps on the side guide close with it, recess bottom symmetry is equipped with two telescopic links, every telescopic link upper end is all fixed and is.

In one alternative: and a damping cushion is attached to the bottom of the base.

In one alternative: the base is the cavity structure, and the base internal fixation is equipped with electric motor, and electric motor's output shaft is connected with one of them lower extreme of two first threaded rods, is connected through first belt drive mechanism between two first threaded rods.

In one alternative: lie in with many of one side be connected through second belt drive between the second threaded rod and one of them upper end hoop equidistance is equipped with many hand-rotating rods, all evenly is equipped with anti-skidding line on every hand-rotating rod.

In one alternative: lie in two with one side the slide bar is towards fixedly connected with push rod between this external one end of anchor clamps, and every slide bar is located all to slide on the pole section of anchor clamps body inside and outside both sides and overlaps and be equipped with the lantern ring, all is equipped with the fastening bolt who is used for fixing a position its self on every lantern ring.

In one alternative: the telescopic link is electric telescopic link.

In one alternative: and rubber cushions are fixedly attached to the end faces, facing the center of the clamp body, of the upper pressing plate, the supporting plate and the side pressing plates.

Compared with the prior art, the embodiment of the invention has the following beneficial effects:

1. the fixture is suitable for microfluidic chips of various specifications and models, has stronger practicability, adopts a 360-degree all-dimensional fixing mode, has high firmness and good stability, can freely lift up and down to be matched with a metallographic microscope to better test and observe, and is simple to operate and convenient to use;

2. the base bottom subsides are equipped with the shock attenuation cushion, can effectively reduce the influence that the observation platform vibrations led to the fact this anchor clamps to in test better and observe.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.

Notations for reference numerals: 1-base, 2-electric motor, 3-first belt transmission mechanism, 4-first threaded rod, 5-internal thread sleeve, 6-supporting table, 7-clamp body, 8-groove, 9-push rod, 10-U-shaped clamping groove, 11-second threaded rod, 12-hand rotating rod, 13-second belt transmission mechanism, 14-upper pressing plate, 15-supporting plate, 16-rubber cushion, 17-telescopic rod, 18-side pressing plate, 19-sliding rod, 20-button, 21-storage battery, 22-lantern ring, 23-fastening bolt, 24-microfluidic chip body and 25-shock absorption cushion.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

Referring to fig. 1 and 2, in an embodiment of the present invention, a reversible microfluidic chip clamp includes a base 1, a supporting table 6 and a clamp body 7, where the supporting table 6 is disposed above the base 1, two first threaded rods 4 are rotatably mounted on the base 1 through bearings, an internal threaded sleeve 5 is respectively in threaded connection with each of the two first threaded rods 4, the upper ends of the internal threaded sleeves 5 are respectively and fixedly connected to the bottom of the supporting table 6, the base 1 is of a cavity structure, an electric motor 2 is fixedly disposed in the base 1, an output shaft of the electric motor 2 is connected to the lower end of one of the two first threaded rods 4, the two first threaded rods 4 are connected through a first belt transmission mechanism 3, and the clamp body 7 is fixedly disposed on the supporting table 6.

A groove 8 is arranged in the middle of the clamp body 7, U-shaped clamping grooves 10 are symmetrically arranged on two sides of the groove 8, the U-shaped clamping grooves 10 longitudinally penetrate through the clamp body 7, an upper pressing plate 14 and side pressing plates 18 are movably arranged in each U-shaped clamping groove 10, a plurality of second threaded rods 11 are inserted into the left side and the right side of the top of the clamp body 7 from front to back threads, the lower ends of the plurality of second threaded rods 11 positioned on the same side are rotatably connected to the upper pressing plate 14 close to the upper pressing plate, the plurality of second threaded rods 11 positioned on the same side are connected through a second belt transmission mechanism 13, a plurality of hand rotating rods 12 are circumferentially and equidistantly arranged on one upper end of each hand rotating rod 12, two sliding rods 19 are symmetrically inserted into the two sides of the clamp body 7 in a front-back sliding mode, a push rod 9 is fixedly connected between one ends, facing the outside of the clamp body 7, of the two sliding rods 19 facing the inside of the clamp body 7, every slide bar 19 is located all to slide on the pole section of the inside and outside both sides of anchor clamps body 7 and overlaps and be equipped with lantern ring 22, all is equipped with fastening bolt 23 that is used for fixing a position its self on every

lantern ring

22, and 8 bottom symmetries of recess are equipped with two telescopic links 17, telescopic link 17 is electric telescopic handle, and every telescopic link 17 upper end is all fixed and is equipped with layer board 15, and top board 14, layer board 15 and side pressure plate 18 are all fixed the subsides on the terminal surface towards anchor clamps body 7 center and are equipped with rubber cushion 16.

Be equipped with two buttons 20 that are used for controlling electric motor 2 and telescopic link 17 respectively on the base 1, the base 1 internal fixation is equipped with and is used for the battery 21 of each power supply with electrical apparatus of this anchor clamps, fixedly on the base 1 lateral wall being equipped with the interface that charges that is used for battery 21 to charge.

When using, insert between two U type draw-in grooves 10 with micro-fluidic chip body 24 from anchor clamps body 7 front side, then promote two push rods 9 towards anchor clamps body 7 internal direction and screw fastening bolt 23 in proper order and make two side pressure plates 18 press from the micro-fluidic chip body 24 side tightly with it, hand rocking rod 12 rotates second threaded rod 11 in proper order afterwards and makes two top board 14 compress tightly it from micro-fluidic chip body 24 top, last control telescopic link 17 extension makes two layer boards 15 from micro-fluidic chip body 24 below with its top tight, 360 all-round fixed, the firmness is higher, accessible control electric motor 2 makes supporting bench 6 freely go up and down to test with the cooperation metallographic microscope and observe, moreover, the steam generator is simple in structure, and is convenient and practical.

Example 2

Referring to fig. 3, the embodiment of the present invention is different from embodiment 1 in that, in order to improve the stability of the fixture, a shock absorbing cushion 25 is attached to the bottom of the base 1, and the shock absorbing cushion 25 can effectively reduce the influence of the vibration of the observation table on the fixture, so as to better perform test observation.

The working principle of the invention is as follows: when the micro-fluidic chip clamping fixture is used, the micro-fluidic chip body 24 is inserted between the two U-shaped clamping grooves 10 from the front side of the fixture body 7, then the two push rods 9 are pushed towards the inner direction of the fixture body 7, the fastening bolts 23 are sequentially screwed, so that the two side pressure plates 18 are clamped from the side of the micro-fluidic chip body 24, then the hand-operated rotating rod 12 rotates the second threaded rod 11 in sequence, so that the two upper pressure plates 14 are tightly pressed from the upper side of the micro-fluidic chip body 24, finally the telescopic rod 17 is controlled to extend, so that the two supporting plates 15 are tightly pressed from the lower side of the micro-fluidic chip body 24, the all-directional 360-direction fixation is realized, the firmness is higher, the supporting table 6 can be freely lifted by controlling the electric motor 2.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A reversible microfluidic chip clamp comprises a base (1), a supporting table (6) and a clamp body (7), and is characterized in that the supporting table (6) is arranged above the base (1), two first threaded rods (4) are rotatably arranged on the base (1) through bearings, an internal thread sleeve (5) is in threaded connection with each of the two first threaded rods (4), the upper ends of the internal thread sleeves (5) are fixedly connected to the bottom of the supporting table (6), and the clamp body (7) is fixedly arranged on the supporting table (6);

the fixture comprises a fixture body (7), wherein a groove (8) is formed in the middle of the fixture body (7), U-shaped clamping grooves (10) are symmetrically formed in two sides of each groove (8), an upper pressing plate (14) and side pressing plates (18) are movably arranged in each U-shaped clamping groove (10), a plurality of second threaded rods (11) are inserted into the left side and the right side of the top of the fixture body (7) through front threads and back threads, the lower ends of the plurality of second threaded rods (11) located on the same side are rotatably connected to the upper pressing plates (14) close to the lower ends of the plurality of second threaded rods, two sliding rods (19) are symmetrically inserted into the two sides of the fixture body (7) in a front-back sliding mode, the sliding rods (19) are fixedly connected to the side pressing plates (18) close to the fixture body towards the inner end of the fixture body (7).

2. The reversible microfluidic chip holder according to claim 1, wherein a shock absorbing cushion (25) is attached to the bottom of the base (1).

3. The fixture for the reversible microfluidic chip of claim 1, wherein the base (1) is a cavity structure, the electric motor (2) is fixedly arranged in the base (1), an output shaft of the electric motor (2) is connected with the lower end of one of the two first threaded rods (4), and the two first threaded rods (4) are connected with each other through the first belt transmission mechanism (3).

4. The reversible microfluidic chip clamp according to claim 1, wherein the second threaded rods (11) on the same side are connected through a second belt transmission mechanism (13), one of the second threaded rods is circumferentially provided with a plurality of hand-turning rods (12) at equal intervals at the upper end, and each hand-turning rod (12) is uniformly provided with anti-skid grains.

5. The clamp for the reversible microfluidic chip according to claim 1, wherein a push rod (9) is fixedly connected between one ends of the two slide rods (19) which are positioned on the same side and face the outside of the clamp body (7), a sleeve ring (22) is slidably sleeved on each rod section of each slide rod (19) which is positioned on the inside and outside of the clamp body (7), and a fastening bolt (23) for positioning the sleeve ring (22) is arranged on each sleeve ring (22).

6. The reversible microfluidic chip holder according to claim 1, wherein the telescoping rod (17) is an electric telescoping rod.

7. The fixture for the reversible microfluidic chip according to any one of claims 1 to 6, wherein rubber cushions (16) are fixedly attached to the end surfaces of the upper pressure plate (14), the supporting plate (15) and the side pressure plates (18) facing the center of the fixture body (7).