CN217016707U

CN217016707U - Micro-fluidic chip fixture device suitable for different sizes

Info

Publication number: CN217016707U
Application number: CN202220814191.5U
Authority: CN
Inventors: 许亮
Original assignee: Jiangsu Jianxin Biotechnology Co ltd
Current assignee: Jiangsu Jianxin Biotechnology Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-07-22
Anticipated expiration: 2032-04-08

Abstract

The utility model discloses a microfluidic chip fixture device suitable for different sizes, which comprises a base, wherein a groove is formed in the top end of the base, a group of sliding plates are connected in the groove in a sliding manner, an outer sliding groove is formed in the outer wall of each sliding plate, a sliding block is connected in the outer sliding groove in a sliding manner, the side wall of each sliding block is fixedly connected with a convex block, the side wall of each outer sliding groove is provided with an inner sliding groove, each convex block is positioned in the inner sliding groove and is in sliding connection with the inner sliding groove, the bottom end of each outer sliding groove is provided with a slot, and the inner top end of each outer sliding groove is fixedly connected with a cylinder.

Description

Micro-fluidic chip fixture device suitable for different sizes

Technical Field

The utility model relates to the technical field of microfluidic chips, in particular to a microfluidic chip fixture device suitable for different sizes.

Background

The flow control chip technology integrates basic operation units of sample preparation, reaction, separation, detection and the like in the biological, chemical and medical analysis processes into a micron-scale chip to automatically complete the whole analysis process. Due to its great potential in the fields of biology, chemistry, medicine, etc., it has been developed into a new research field across the disciplines of biology, chemistry, medicine, fluid, electronics, materials, mechanics, etc. Because of the miniaturization, integration, and other features, microfluidic devices are commonly referred to as microfluidic chips, also known as lab-on-a-chip and micro total analysis systems.

At present, the existing microfluidic chip fixture device suitable for different sizes can only fix one position of the side wall or the top end of a chip, is low in stability, inconvenient to detach and high in later maintenance cost, and therefore the microfluidic chip fixture device suitable for different sizes is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a clamp device suitable for microfluidic chips with different sizes, and aims to solve the problems that the existing clamp device suitable for microfluidic chips with different sizes in the background technology can only fix one direction of the side wall or the top end of the chip, and is low in stability, inconvenient to disassemble and high in later maintenance cost.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a micro-fluidic chip fixture device suitable for not unidimensional, the on-line screen storage device comprises a base, the base top is seted up flutedly, sliding connection has a set of slide in the recess, outer spout has been seted up to the slide outer wall, sliding connection has the slider in the outer spout, the equal fixedly connected with lug of slider lateral wall, the inner chute has all been seted up to outer spout lateral wall, the lug is located inner chute and sliding connection with it, the slot has been seted up to outer spout bottom, top fixedly connected with cylinder in the outer spout, cylinder outer wall cover is equipped with the inner spring, and the inner spring is laminated with the slider outer wall mutually.

As a further scheme of the utility model: the bottom end in the groove is attached with a micro-fluidic chip, the side wall of the micro-fluidic chip is attached with the sliding plate, and the top end of the micro-fluidic chip is attached with the sliding block.

As a further scheme of the utility model: a set of clamping groove is formed in the top end of the base, a clamping block is connected in the clamping groove in a clamping mode, the clamping block penetrates through the top end of the base, and an elongated groove is formed in the joint of the base and the clamping block.

As a further scheme of the utility model: the circular groove has been seted up to the fixture block outer wall, be equipped with coupling assembling in the circular groove, the fixture block has the telescopic link through the coupling assembling cooperation.

As a further scheme of the utility model: coupling assembling is including being located the half arc board of circular slot, the laminating of half arc board outer wall one side has the screw bolt, the screw bolt runs through the fixture block lateral wall.

As a further scheme of the utility model: the connecting part of the clamping block and the threaded bolt is provided with a threaded hole and is in threaded connection with the threaded hole, the other side of the outer wall of the semi-arc plate is attached with a telescopic rod, and the outer wall of the telescopic rod is sleeved with an outer spring.

As a further scheme of the utility model: the telescopic link runs through the slide outer wall, and the slide outer wall has seted up spacing hole with the telescopic link junction, the telescopic link tip laminates with spacing hole mutually.

The utility model has the beneficial effects that:

1. with outer spring housing on the telescopic link outer wall, insert the circular slot on the fixture block to half arc board again, later insert between two half arc boards with the telescopic link, twist through the screw hole with the screw bolt until half arc board fixes the telescopic link, then insert the fixture block in the draw-in groove, immediately install the slide, at first aim at the slot with the slider and insert into, after with inner spring housing on the cylinder, put into the recess with the slide after the installation finishes, and remove to the telescopic link of both sides, insert on the spacing hole on the slide outer wall until the telescopic link, then accomplish the installation of whole device, and convenient the dismantlement, make later maintenance only need dismantle the change to the spare part of damage, daily use and maintenance cost have been reduced.

2. The slide plate is firstly loosened under the action of the outer spring, the slide plate is rebounded by the elasticity of the outer spring and clamps the side wall of the microfluidic chip, then the slide block is loosened, under the action of the inner spring, the slide block is rebounded and clamps the top end of the microfluidic chip, the all-dimensional clamping and fixing of the microfluidic chip are realized, the situation that the traditional clamp can only fix one of the side wall or the top end of the traditional clamp is avoided, the fixing of the microfluidic chip is more stable, and the operation is convenient.

Drawings

To facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is an overall elevational view of the present invention;

FIG. 2 is a schematic view of a card slot of the present invention;

FIG. 3 is a disassembled view of the fixture block and the connecting assembly of the present invention;

FIG. 4 is a disassembled view of the outer sliding groove and the sliding block of the present invention;

FIG. 5 is a disassembled view of the telescopic rod and the sliding plate of the present invention.

In the figure: 1. a base; 2. a groove; 3. a microfluidic chip; 4. a clamping block; 5. a long groove; 6. a card slot; 7. a slide plate; 8. a threaded hole; 9. a circular groove; 10. a connecting assembly; 101. a threaded bolt; 102. a half-arc plate; 11. a slider; 12. a bump; 13. a cylinder; 14. an outer chute; 15. an inner spring; 16. an inner chute; 17. inserting slots; 18. a limiting hole; 19. an outer spring; 20. a telescopic rod.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in FIGS. 1-5, a microfluidic chip fixture device suitable for different sizes comprises a base 1, a set of clamping grooves 6 are formed at the top end of the base 1, a fixture block 4 is clamped in the clamping grooves 6, the fixture block 4 penetrates through the top end of the base 1, a long groove 5 is formed at the joint of the base 1 and the fixture block 4, a circular groove 9 is formed in the outer wall of the fixture block 4, a connecting component 10 is arranged in the circular groove 9, the fixture block 4 is matched with a telescopic rod 20 through the connecting component 10, the connecting component 10 comprises a semi-arc plate 102 positioned in the circular groove 9, a threaded bolt 101 is attached to one side of the outer wall of the semi-arc plate 102, the threaded bolt 101 penetrates through the side wall of the fixture block 4, a threaded hole 8 is formed at the joint of the fixture block 4 and the threaded bolt 101 and is in threaded connection with the fixture block, a telescopic rod 20 is attached to the other side of the outer wall of the semi-arc plate 102, an outer spring 19 is sleeved on the outer wall of the telescopic rod 20, the telescopic rod 20 penetrates through the outer wall of a sliding plate 7, and a limiting hole 18 is formed at the joint of the outer wall of the sliding plate 7 and the telescopic rod 20, the end part of an expansion link 20 is attached to a limiting hole 18, an outer spring 19 is sleeved on the outer wall of the expansion link 20, then a half-arc plate 102 is inserted into a circular groove 9 on a clamping block 4, then the expansion link 20 is inserted between the two half-arc plates 102, a threaded bolt 101 is screwed in through a threaded hole 8 until the half-arc plate 102 fixes the expansion link 20, then the clamping block 4 is inserted into a clamping groove 6, a sliding plate 7 is then installed, firstly, a sliding block 11 is inserted into the clamping groove 17 in an aligning way, then, an inner spring 15 is sleeved on a cylinder 13, after the installation, the sliding plate 7 is placed into a groove 2 and moves towards the expansion links 20 at two sides until the expansion link 20 is inserted into the limiting hole 18 on the outer wall of the sliding plate 7, the top end of a base 1 is provided with a groove 2, the groove 2 is connected with a group of sliding plates 7 in a sliding way, the outer wall of the sliding plate 7 is provided with an outer sliding way 14, the sliding block 11 is connected in the outer sliding way, the side wall of the sliding block 11 is fixedly connected with a convex block 12, the side walls of the outer sliding grooves 14 are all provided with inner sliding grooves 16, the bumps 12 are positioned in the inner sliding grooves 16 and are in sliding connection with the inner sliding grooves, the bottom ends of the outer sliding grooves 14 are provided with slots 17, the top ends of the inner sliding grooves 14 are fixedly connected with cylinders 13, the outer walls of the cylinders 13 are sleeved with inner springs 15, the inner springs 15 are attached to the outer walls of the sliding blocks 11, the inner bottom ends of the grooves 2 are attached with the microfluidic chip 3, the side walls of the microfluidic chip 3 are attached to sliding plates 7, the top ends of the microfluidic chip 3 are attached to the sliding blocks 11, the sliding plates 7 in the grooves 2 are mutually far away, the sliding plates 7 are provided with telescopic rods 20 to move along the grooves 2 and extrude the outer springs 19 on the outer walls of the telescopic rods 20, then the microfluidic chip 3 is placed in the grooves 2, the sliding blocks 11 are pulled upwards at the same time, so that the bumps 12 are driven by the sliding blocks 11 to move along the inner sliding grooves 16 and extrude the inner springs 15 until the sliding blocks 11 reach the same height as the microfluidic chip 3, firstly, the sliding plate 7 is loosened under the action of the outer spring 19, the sliding plate 7 is rebounded by the elasticity of the outer spring and clamps the side wall of the microfluidic chip 3, then the sliding block 11 is loosened, and under the action of the inner spring 15, the sliding block 11 is rebounded and clamps the top end of the microfluidic chip 3, so that the all-dimensional clamping and fixing of the microfluidic chip 3 are realized.

The working principle of the utility model is as follows: during the use, overlap outer spring 19 on telescopic link 20 outer wall, insert half arc board 102 again in the circular slot 9 on the fixture block 4, later insert two half arc boards between 102 with telescopic link 20, twist screw bolt 101 through screw hole 8 and fix telescopic link 20 until half arc board 102, then insert draw-in groove 6 with fixture block 4, install slide 7 immediately, at first insert into with slider 11 alignment slot 17, later overlap inner spring 15 on cylinder 13, put into recess 2 with slide 7 after the installation finishes, and remove to the telescopic link 20 of both sides, until telescopic link 20 inserts on the spacing hole 18 on the slide 7 outer wall, then accomplish the installation of whole device, and convenient the dismantlement, make later maintenance only need dismantle the change to the spare part of damage, daily use and maintenance cost have been reduced.

After the device is installed, the sliding plate 7 in the groove 2 is far away from each other, the sliding plate 7 is provided with the telescopic rod 20 to move along the groove 2 and extrude the outer spring 19 on the outer wall of the telescopic rod 20, then the microfluidic chip 3 is placed in the groove 2, and the sliding block 11 is pulled upwards at the same time, so that the sliding block 11 drives the bump 12 to move along the inner chute 16 and extrude the inner spring 15 until the sliding block 11 reaches the height same as that of the microfluidic chip 3, firstly, the sliding plate 7 is loosened under the action of the outer spring 19, the sliding plate 7 is rebounded by the elasticity of the sliding plate and clamps the side wall of the microfluidic chip 3, then, the sliding block 11 is loosened, and under the action of the inner spring 15, the sliding block 11 is rebounded and clamps the top end of the microfluidic chip 3, the omnibearing clamping and fixing of the microfluidic chip 3 are realized, the situation that a traditional clamp can only fix one of the side wall or the top end of the traditional clamp is avoided, and the fixing of the microfluidic chip 3 is more stable, and the operation is convenient.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand the utility model for and utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The microfluidic chip clamp device suitable for different sizes is characterized by comprising a base (1), a groove (2) is arranged at the top end of the base (1), a group of sliding plates (7) are connected in the groove (2) in a sliding way, an outer sliding groove (14) is formed in the outer wall of the sliding plate (7), a sliding block (11) is connected in the outer sliding groove (14) in a sliding mode, the side walls of the sliding blocks (11) are fixedly connected with convex blocks (12), the side walls of the outer sliding chutes (14) are provided with inner sliding chutes (16), the convex block (12) is positioned in the inner chute (16) and is connected with the inner chute in a sliding way, the bottom end of the outer chute (14) is provided with a slot (17), the top end fixedly connected with cylinder (13) in outer spout (14), cylinder (13) outer wall cover is equipped with inner spring (15), and inner spring (15) and slider (11) outer wall laminate mutually.

2. The device for clamping the microfluidic chip with different sizes as claimed in claim 1, wherein the microfluidic chip (3) is attached to the inner bottom end of the groove (2), the side wall of the microfluidic chip (3) is attached to the sliding plate (7), and the top end of the microfluidic chip (3) is attached to the sliding block (11).

3. The microfluidic chip clamping device suitable for different sizes according to claim 1, wherein a set of clamping grooves (6) are formed in the top end of the base (1), clamping blocks (4) are clamped in the clamping grooves (6), the clamping blocks (4) penetrate through the top end of the base (1), and long grooves (5) are formed in the joints of the base (1) and the clamping blocks (4).

4. The microfluidic chip fixture device suitable for different sizes according to claim 3, wherein the fixture block (4) is provided with a circular groove (9) on an outer wall thereof, a connecting assembly (10) is disposed in the circular groove (9), and the fixture block (4) is matched with the telescopic rod (20) through the connecting assembly (10).

5. The microfluidic chip clamping device suitable for different sizes according to claim 4, wherein the connecting assembly (10) comprises a half-arc plate (102) located in the circular groove (9), a threaded bolt (101) is attached to one side of the outer wall of the half-arc plate (102), and the threaded bolt (101) penetrates through the side wall of the clamping block (4).

6. The microfluidic chip fixture device suitable for different sizes according to claim 5, wherein a threaded hole (8) is formed in a joint of the fixture block (4) and the threaded bolt (101) and is in threaded connection with the threaded bolt, a telescopic rod (20) is attached to the other side of the outer wall of the half-arc plate (102), and an outer spring (19) is sleeved on the outer wall of the telescopic rod (20).

7. The microfluidic chip clamping device suitable for different sizes according to claim 6, wherein the telescopic rod (20) penetrates through the outer wall of the sliding plate (7), a limiting hole (18) is formed in the joint of the outer wall of the sliding plate (7) and the telescopic rod (20), and the end of the telescopic rod (20) is attached to the limiting hole (18).