CN216803156U

CN216803156U - Verifying attachment is used in production of micro-fluidic biochip

Info

Publication number: CN216803156U
Application number: CN202220277168.7U
Authority: CN
Inventors: 戴昕辉; 周新; 吴建锋; 戴良
Original assignee: Wuxi Guosheng Bio Engineering Co ltd
Current assignee: Wuxi Guosheng Bio Engineering Co ltd
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2022-06-24
Anticipated expiration: 2032-02-10

Abstract

The utility model belongs to the field of microfluidic biochips, and particularly relates to a testing device for microfluidic biochip production, which comprises a cross rod, a support rod and a pressing assembly; it is a pair of the both ends of horizontal pole are the symmetry rigid coupling and have a pair of vertical pole, through setting up the horizontal pole, the vertical pole, branch, the slider, the dead lever, the screw rod, regulating block and depression bar, when using, slip branch, with this position and interval of adjusting branch, later staff puts micro-control pump and chip between two branches, rotatory regulating block, later the depression bar can extrude the slider top side, with this compress tightly the slider, thereby can fix chip and micro-control pump, rely on this setting to adjust the interval of two branches, with this chip and micro-control pump that can be convenient for fix not unidimensional, thereby can improve device's application scope, make things convenient for the staff to inspect the chip.

Description

Verifying attachment is used in production of micro-fluidic biochip

Technical Field

The utility model relates to the field of microfluidic biochips, in particular to a testing device for microfluidic biochip production.

Background

The microfluidic biochip has multiple fine cavities and pipelines inside, which integrates the functions of the laboratory into the microfluidic biochip for use.

In the prior art, in order to control the quality of the produced microfluidic biochip, a sample can be randomly extracted in production to carry out inspection and test, a worker can clamp the biochip into a fixed support, micro-control pumps are arranged on two sides of the support to inject required liquid into the biochip, and then the biochip is actually used to inspect the quality of the biochip.

However, the types and sizes of the microfluidic biochips are different, but the sizes of the existing fixing supports cannot be adjusted, the fixing supports of different types need to be replaced, and the existing fixing supports are inconvenient to use when workers detect the types of the biochips; therefore, an inspection device for microfluidic biochip production is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a testing device for producing a microfluidic biochip, which comprises a cross rod, a support rod and a pressing assembly; a pair of longitudinal rods is symmetrically and fixedly connected to two ends of the pair of cross rods; a pair of sliding blocks is symmetrically and fixedly connected to two ends of the supporting rod; the sliding block is arranged on the top side of the cross rod and is in sliding connection with the cross rod; a group of fixed rods is fixedly connected to the top side of the supporting rod; the fixed rod is a round rod; the compressing assembly is arranged at the top of the sliding block, so that chips and micro-control pumps with different sizes can be fixed conveniently, the application range of the device can be widened, and workers can detect the chips conveniently.

Preferably, the compression assembly comprises a compression bar; a screw rod is fixedly connected to the top side of the cross rod; the screw rod is positioned in the middle of the cross rod; the screw rod penetrates through the pressure rod and is connected with the pressure rod in a sliding manner; the top end of the screw rod is provided with an adjusting block; the screw penetrates through the adjusting block and is connected with the adjusting block through threads; the adjusting block is positioned at the top of the pressure lever so as to fix the sliding block and the supporting rod.

Preferably, a pair of guide rods is symmetrically and fixedly connected to two ends of the longitudinal rod; the positions of the pressure lever corresponding to the guide rods are provided with through holes; the guide rod penetrates through the through hole; the guide rod is connected with the through hole in a sliding mode, and therefore the pressing plate can be positioned.

Preferably, the top of the sliding block is provided with a clamping assembly; the clamping assembly comprises a push block; the group of push blocks are fixedly connected to the positions of the bottom side of the pressure lever, which correspond to the slide blocks; a fixed cylinder is fixedly connected to the top side of the sliding block; the fixed cylinder is internally and slidably connected with a block body; the push block is a trapezoidal block; the top end of the block body is designed into an arc structure; a spring is fixedly connected to the bottom side of the block body; the bottom end of the spring is fixedly connected with the top side wall body of the sliding block, so that the fixing effect on the chip can be improved.

Preferably, a fixing component is arranged on one side of the longitudinal rod away from the transverse rod; the fixing component comprises a supporting rod; one side of the longitudinal rod, which is far away from the transverse rod, is fixedly connected with a pair of hinge seats; one end of the supporting rod close to the longitudinal rod is rotatably connected with the hinge seat; the sucking disc is fixedly connected to one end, far away from the longitudinal rod, of the longitudinal rod, so that the device can be fixed and is not easy to move.

Preferably, a protective sleeve is fixedly connected to the surface of the fixing rod; the protective sleeve is made of rubber materials, so that the chip can be protected.

The utility model has the advantages that:

1. according to the utility model, by arranging the transverse rods, the longitudinal rods, the supporting rods, the sliding blocks, the fixing rods, the screw rods, the adjusting blocks and the pressing rods, when the device is used, the supporting rods are slid to adjust the positions and the intervals of the supporting rods, then a worker places the micro-control pump and the chip between the two supporting rods, the adjusting blocks are rotated, and then the pressing rods can extrude the top sides of the sliding blocks to press the sliding blocks tightly, so that the chip and the micro-control pump can be fixed, the intervals of the two supporting rods are adjusted by means of the arrangement, so that the chips and the micro-control pumps with different sizes can be conveniently fixed, the application range of the device can be improved, and the worker can conveniently inspect the chips.

2. According to the utility model, through the arrangement of the push block, the block body, the spring and the fixed cylinder, when the micro-control pump fixing device is used, the press rod moves downwards, the push block can extrude the block body, and then the block body exerts a transverse moving force under the action of the inclined surface of the push block to enable the support rod to approach the screw rod at the center, so that the clamping force on a chip and the micro-control pump can be improved, and the fixing effect is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a cross bar according to a first embodiment;

FIG. 2 is a schematic top view of a cross bar according to the first embodiment;

FIG. 3 is an enlarged view of a portion A of FIG. 1;

FIG. 4 is a schematic view of a longitudinal bar according to the first embodiment;

fig. 5 is a schematic structural view of the ball according to the second embodiment.

In the figure: 11. a cross bar; 12. a longitudinal bar; 13. a slider; 14. a strut; 15. fixing the rod; 21. a screw; 22. a pressure lever; 23. an adjusting block; 3. a guide bar; 41. pushing a block; 42. a fixed cylinder; 43. a block body; 51. A hinged seat; 52. a support bar; 53. a suction cup; 6. a protective sleeve; 7. and a ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, an inspection apparatus for microfluidic biochip production includes a cross bar 11, a support bar 14, and a pressing assembly; a pair of longitudinal rods 12 are symmetrically and fixedly connected to two ends of the pair of cross rods 11; a pair of sliding blocks 13 are symmetrically and fixedly connected to two ends of the supporting rod 14; the sliding block 13 is arranged on the top side of the cross rod 11 and is connected with the cross rod in a sliding manner; a group of fixing rods 15 are fixedly connected to the top side of the supporting rod 14; the fixed rod 15 is a round rod; the pressing component is arranged at the top of the sliding block 13; the compression assembly includes a compression bar 22; a screw rod 21 is fixedly connected to the top side of the cross rod 11; the screw 21 is positioned in the middle of the cross rod 11; the screw 21 penetrates through the pressure rod 22 and is connected with the pressure rod in a sliding manner; the top end of the screw 21 is provided with an adjusting block 23; the screw 21 penetrates through the adjusting block 23 and is connected with the adjusting block through threads; the adjusting block 23 is positioned at the top of the pressure rod 22; a pair of guide rods 3 are symmetrically and fixedly connected to two ends of the longitudinal rod 12; the positions of the compression bar 22 corresponding to the guide rod 3 are provided with through holes; the guide rod 3 penetrates through the through hole; the guide rod 3 is connected with the through hole in a sliding manner; when the device is used, the supporting rods 14 are slid to adjust the positions of the supporting rods 14, then a worker places the micro-control pump and the chip between the two supporting rods 14 and is positioned on the top sides of the supporting rods 14, the chip and the micro-control pump are fixed from two sides through the fixing rods 15, then the adjusting block 23 is rotated, the adjusting block 23 moves downwards to drive the pressing rods 22 to move downwards, then the pressing rods 22 extrude the top sides of the sliding blocks 13 to press the sliding blocks 13 tightly, so that the supporting rods 14 are fixed, the fixing rods 15 are further fixed, the chip and the micro-control pump can be fixed, the distance between the two supporting rods 14 is adjusted by means of the arrangement, the chips and the micro-control pump with different sizes can be conveniently fixed, the application range of the device can be improved, the chips can be conveniently detected by the worker, in the use process, the pressing rods 22 can be positioned on two sides through the two guide rods 3, when the pressing rod 22 moves downwards, the pressing rod slides on the guide rod 3, so that the use of workers can be facilitated, and the pressing rod 22 is not easy to be dislocated with the sliding block 13.

The top of the sliding block 13 is provided with a clamping assembly; the clamping assembly comprises a push block 41; the group of push blocks 41 are fixedly connected to the positions of the bottom side of the pressure lever 22 corresponding to the slide block 13; a fixed cylinder 42 is fixedly connected to the top side of the sliding block 13; a block 43 is slidably connected in the fixed cylinder 42; the push block 41 is a trapezoidal block; the top end of the block 43 is designed into an arc structure; a spring is fixedly connected to the bottom side of the block 43; the bottom end of the spring is fixedly connected with the top side wall body of the sliding block 13; when using, the depression bar 22 moves downwards, ejector pad 41 can extrude block 43 simultaneously, later block 43 is under the inclined plane effect of ejector pad 41, it exerts a lateral shifting's power, make branch 14 draw close to the screw rod 21 at center, thereby can improve the clamp force to chip and micro-control pump, thereby improve fixed effect, after branch 14 and chip laminate completely, block 43 is extruded and can be removed in fixed cylinder 42, spring compression simultaneously, with this effect that can play the protection, reduce the too big chip that damages of clamp force.

A fixing component is arranged on one side of the longitudinal rod 12 far away from the transverse rod 11; the fixing assembly includes a support rod 52; a pair of hinge seats 51 are fixedly connected to one side of the longitudinal rod 12 away from the transverse rod 11; one end of the support rod 52 close to the longitudinal rod 12 is rotatably connected with the hinge seat 51; a sucker 53 is fixedly connected to one end of the longitudinal rod 12 far away from the longitudinal rod 12; a protective sleeve 6 is fixedly connected to the surface of the fixed rod 15; the protective sleeve 6 is made of rubber; before using, staff's manual rotation bracing piece 52 to this drives bracing piece 52 and expandes, later presses the sucking disc 53 of bracing piece 52 tip, adsorbs on the desktop through sucking disc 53 to this can be fixed bracing piece 52, and then fixes the device, makes its difficult emergence remove, through setting up lag 6, with this can protect the chip, increases frictional force simultaneously, improves fixed effect.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, a set of balls 7 is engaged and connected to an inner sidewall of the through hole in a rolling manner, and when the sliding friction between the guide rod 3 and the balls 7 is changed into rolling friction, so that the friction force can be reduced.

The working principle is that when the device is used, the supporting rod 14 is slid to adjust the position of the supporting rod 14, a worker places a micro-control pump and a chip between the two supporting rods 14 and is positioned on the top side of the supporting rod 14, the chip and the micro-control pump are fixed from two sides through the fixing rod 15, the adjusting block 23 is rotated and moves downwards, the adjusting block 23 drives the pressing rod 22 to move downwards, the pressing rod 22 extrudes the top side of the sliding block 13 to press the sliding block 13 tightly, the supporting rod 14 is fixed, the fixing rod 15 is fixed, the chip and the micro-control pump can be fixed, the distance between the two supporting rods 14 is adjusted by means of the arrangement, the chips and the micro-control pumps with different sizes can be fixed conveniently, the application range of the device can be enlarged, the worker can detect the chips conveniently, in the using process, the pressing rod 22 can be positioned on two sides through the two guide rods 3, when the pressing rod 22 moves downwards, the pressing rod slides on the guide rod 3, so that the use of a worker is facilitated, the pressing rod 22 is not easy to be dislocated with the sliding block 13, when the pressing rod 22 moves downwards, the pushing block 41 can extrude the block 43 at the same time, then the block 43 exerts a transverse moving force under the action of the inclined surface of the pushing block 41, so that the supporting rod 14 is drawn close to the central screw 21, so that the clamping force on a chip and a micro-control pump can be improved, the fixing effect is improved, when the supporting rod 14 is completely attached to the chip, the block 43 is extruded to move towards the inside of the fixing cylinder 42, and the spring is compressed, so that the protection effect can be achieved, the damage to the chip caused by the overlarge clamping force is reduced, before the use, the worker manually rotates the supporting rod 52 to drive the supporting rod 52 to expand, then presses the sucking disc 53 at the end part of the supporting rod 52, and is adsorbed on a table top through the sucking disc 53, can fix bracing piece 52 with this, and then fix the device, make it be difficult for taking place to remove, through setting up lag 6 to this can protect the chip, increases frictional force simultaneously, improves fixed effect.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a verifying attachment is used in production of micro-fluidic biochip which characterized in that: comprises a cross bar (11), a support bar (14) and a pressing component; a pair of longitudinal rods (12) are symmetrically and fixedly connected to two ends of the pair of cross rods (11); a pair of sliding blocks (13) is symmetrically and fixedly connected to two ends of the supporting rod (14); the sliding block (13) is arranged on the top side of the cross rod (11) and is in sliding connection with the cross rod; a group of fixed rods (15) are fixedly connected to the top side of the supporting rod (14); the fixed rod (15) is a round rod; the pressing component is arranged at the top of the sliding block (13).

2. The testing device for microfluidic biochip production according to claim 1, wherein: the compression assembly includes a compression bar (22); a screw rod (21) is fixedly connected to the top side of the cross rod (11); the screw rod (21) is positioned in the middle of the cross rod (11); the screw rod (21) penetrates through the pressure rod (22) and is connected with the pressure rod in a sliding manner; the top end of the screw rod (21) is provided with an adjusting block (23); the screw rod (21) penetrates through the adjusting block (23) and is connected with the adjusting block through threads; the adjusting block (23) is positioned at the top of the pressure rod (22).

3. The testing device for microfluidic biochip production according to claim 2, wherein: a pair of guide rods (3) are symmetrically and fixedly connected to two ends of the longitudinal rod (12); the positions of the pressure lever (22) corresponding to the guide rod (3) are provided with through holes; the guide rod (3) penetrates through the through hole; the guide rod (3) is connected with the through hole in a sliding mode.

4. The device according to claim 3, wherein the device comprises: the top of the sliding block (13) is provided with a clamping assembly; the clamping assembly comprises a push block (41); the group of push blocks (41) are fixedly connected to the positions, corresponding to the slide blocks (13), of the bottom side of the pressure lever (22); a fixed cylinder (42) is fixedly connected to the top side of the sliding block (13); a block body (43) is connected in the fixed cylinder (42) in a sliding way; the push block (41) is a trapezoidal block; the top end of the block body (43) is designed into an arc structure; a spring is fixedly connected to the bottom side of the block body (43); the bottom end of the spring is fixedly connected with the top side wall body of the sliding block (13).

5. The device according to claim 4, wherein the device comprises: a fixing component is arranged on one side, far away from the transverse rod (11), of the longitudinal rod (12); the fixed assembly comprises a support rod (52); one side of the longitudinal rod (12) far away from the transverse rod (11) is fixedly connected with a pair of hinge seats (51); one end of the support rod (52) close to the longitudinal rod (12) is rotatably connected with the hinge seat (51); and one end of the longitudinal rod (12) far away from the longitudinal rod (12) is fixedly connected with a sucker (53).

6. The device according to claim 5, wherein the device comprises: a protective sleeve (6) is fixedly connected to the surface of the fixing rod (15); the protective sleeve (6) is made of rubber.