CN217016667U - Micro-fluidic control dish that micro-fluidic reagent was used - Google Patents

Abstract

The utility model discloses a micro-fluidic control disk for a micro-fluidic reagent, which relates to the technical field of micro-fluidics and comprises a micro-fluidic control disk body and a limiting clamping groove arranged at the central position of the micro-fluidic control disk body, wherein a flexible gasket is arranged on the inner wall of the limiting clamping groove, an isolation ring is arranged on the top end surface of the micro-fluidic control disk body, identification lines are uniformly distributed on the inner wall of the isolation ring, and a sample detection mechanism is arranged inside the micro-fluidic control disk body. The two movable push blocks are respectively held by a thumb and a forefinger, the connecting spring is compressed, the connecting cover plate is used as an acting point, the forefinger and the thumb are respectively and tightly attached to the corresponding movable push blocks and the connecting cover plate, the micro-fluidic control disk body is picked up, a sample is dripped into a sample inlet according to test requirements, detection ports with different calibers are selected, a micro-fluidic reagent is dripped into the detection ports, and then the micro-fluidic reagent is placed into centrifugal equipment for testing.

Description

Micro-fluidic control dish that micro-fluidic reagent was used

Technical Field

The utility model relates to the technical field of microfluidics, in particular to a microfluidic control disk for a microfluidic reagent.

Background

Microfluidics refers to the science and technology involved in systems that process or manipulate tiny fluids (nanoliters to attoliters in volume) using microchannels (tens to hundreds of microns in size), and is an emerging interdiscipline involving chemistry, fluid physics, microelectronics, new materials, biology, and biomedical engineering. 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.

With the rapid development of microfluidic technology, microfluidic disks become a consumable material frequently used in biochemical analyzers due to the advantages of simple operation, low cost and the like. But current micro-fluidic control dish structure is comparatively simple, generally is disc structure, and inconvenient taking during the operation leads to misoperation easily at the in-process that adds reagent, influences the experiment effect.

SUMMERY OF THE UTILITY MODEL

The utility model provides a micro-fluidic control disc for a micro-fluidic reagent, which has the advantage of convenient operation and solves the problems that the existing micro-fluidic control disc is simple in structure, generally has a disc-shaped structure, is inconvenient to take during operation, is easy to cause misoperation in the process of adding the reagent and influences the experimental effect.

In order to realize the purpose of convenient operation, the utility model provides the following technical scheme: the utility model provides a little flow control dish that little flow control reagent was used, includes little flow control dish body and sets up the spacing draw-in groove in little flow control dish body central point department of putting, flexible gasket is installed to the inner wall of spacing draw-in groove, the top surface mounting of little flow control dish body keeps apart the ring, the inner wall evenly distributed who keeps apart the ring has the identification line, sample detection mechanism has been seted up to the inside of little flow control dish body, the outside surface evenly distributed of little flow control dish body has fixed establishment.

As a preferred technical scheme of the utility model, the sample detection mechanism comprises a sample inlet and sample detection components, the surface of the top end of the micro-fluidic control disk body on the inner side of the isolation ring is provided with the uniformly distributed sample inlets, and the sample detection components are correspondingly distributed in the micro-fluidic control disk body.

As a preferred technical scheme of the utility model, the sample detection assembly comprises a microfluidic channel and a detection port, the top end surface of the microfluidic control disc body on one side of the sample inlet is provided with the corresponding detection port, and the microfluidic channel is arranged between the sample inlet and the detection port.

As a preferred technical scheme of the utility model, the calibers of the detection ports are different, and the inner diameters of the corresponding microfluidic channels are different.

As a preferable technical scheme of the utility model, the fixing mechanism comprises movable components and connecting components, the movable components are uniformly distributed on the outer side surface of the micro-fluidic disc body, and the connecting components are mounted on the top end surfaces of the movable components.

As a preferred technical scheme of the utility model, the movable assembly comprises movable grooves and movable push blocks, the movable grooves are uniformly distributed on the outer side surface of the micro-fluidic disk body, the inner walls of the movable grooves are provided with connecting springs, and the end surfaces of the connecting springs are provided with the movable push blocks.

As a preferred technical scheme of the utility model, the connecting assembly comprises a mounting groove and a movable ball shaft, the mounting groove is formed in the inner wall of the movable groove above the movable push block, the movable ball shaft is uniformly distributed on the inner wall of the mounting groove, a connecting cover plate is arranged on the outer side surface of the movable ball shaft, a magnet block is arranged in the connecting cover plate, and a magnetic attraction block is arranged in an isolation ring adjacent to the connecting cover plate.

Compared with the prior art, the utility model provides a micro-fluidic control disc for a micro-fluidic reagent, which has the following beneficial effects:

1. when the micro-fluidic disk for the micro-fluidic reagent is used, two connecting cover plates positioned on the same diagonal line are selected, the two connecting cover plates are respectively turned over to a vertical state from a horizontal state through the movable ball shaft, and the magnetism of the corresponding surfaces of the magnet block and the magnetic attraction block is opposite, so that the magnetic attraction force is generated between the magnet block and the magnetic attraction block, and the connecting cover plates are fixed in the vertical state.

2. This miniflow accuse dish that micro-fluidic reagent used exposes movable ejector pad, hold two movable ejector pads with thumb and forefinger respectively, will connect the spring compression, will connect the apron as the impetus, make forefinger and thumb closely laminate with the movable ejector pad that corresponds and connection apron respectively, take up the miniflow accuse dish body, according to experimental demand, drip into the sample entry with the sample, select the detection mouth of different bores, drip into the detection mouth with micro-fluidic reagent, then put into centrifugal equipment and test.

Drawings

FIG. 1 is a schematic view of the external front structure of the present invention;

FIG. 2 is a schematic view of an external backside structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention.

In the figure: 1. a microfluidic disk body; 2. a limiting clamping groove; 3. a flexible gasket; 4. an isolation ring; 5. marking a line; 6. a sample inlet; 7. a detection port; 8. a microfluidic channel; 9. a movable groove; 10. a connecting spring; 11. a movable push block; 12. mounting grooves; 13. a movable ball shaft; 14. connecting the cover plate; 15. a magnet block; 16. a magnetic attraction block.

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.

Referring to fig. 1-3, the present invention discloses a micro-fluidic control disk for micro-fluidic reagents, which includes a micro-fluidic control disk body 1 and a limiting clamping groove 2 formed at a central position of the micro-fluidic control disk body 1, wherein a flexible gasket 3 is installed on an inner wall of the limiting clamping groove 2, an isolation ring 4 is installed on a top end surface of the micro-fluidic control disk body 1, identification lines 5 are uniformly distributed on an inner wall of the isolation ring 4, a sample detection mechanism is arranged inside the micro-fluidic control disk body 1, and a fixing mechanism is uniformly distributed on an outer side surface of the micro-fluidic control disk body 1.

Specifically, the sample detection mechanism includes sample entry 6 and sample determine module, and evenly distributed's sample entry 6 is seted up on the micro-fluidic control dish body 1 top surface of isolation ring 4 inboard, and the inside of micro-fluidic control dish body 1 corresponds the distribution and has the sample determine module.

Further, the sample detection subassembly includes miniflow passageway 8 and detection mouth 7, corresponding detection mouth 7 has all been seted up on the 1 top surface of miniflow control dish body of 6 one sides of sample entry, be provided with miniflow passageway 8 between sample entry 6 and the detection mouth 7 jointly, the bore of detection mouth 7 is all inequality, the passageway internal diameter of miniflow passageway 8 that corresponds is inequality, according to experimental demand, instil sample entry 6 with the sample, select the detection mouth 7 of different bores, instil the miniflow control reagent in the detection mouth 7, then put into and test in the centrifugal equipment.

Further, fixed establishment includes movable assembly and coupling assembling, micro-flow control dish body 1's outside surface evenly distributed has movable assembly, movable assembly's top surface mounting has coupling assembling, movable assembly includes activity groove 9 and activity ejector pad 11, micro-flow control dish body 1's outside surface evenly distributed has activity groove 9, coupling spring 10 is all installed to the inner wall of activity groove 9, coupling spring 10's terminal surface all installs activity ejector pad 11, expose activity ejector pad 11, hold two activity ejector pads 11 with thumb and forefinger respectively, compress coupling spring 10, will connect apron 14 as the impetus, make forefinger and thumb closely laminate with the activity ejector pad 11 and the connection apron 14 that correspond respectively, take up micro-flow control dish body 1.

Further, the connecting assembly comprises a mounting groove 12 and a movable ball shaft 13, the mounting groove 12 is formed in the inner wall of the movable groove 9 above the movable push block 11, the movable ball shaft 13 is uniformly distributed on the inner wall of the mounting groove 12, a connecting cover plate 14 is installed on the outer side surface of the movable ball shaft 13, a magnet block 15 is installed inside the connecting cover plate 14, a magnetic attraction block 16 is installed inside the isolation ring 4 adjacent to the connecting cover plate 14, two connecting cover plates 14 located on the same diagonal line are selected during use, the two connecting cover plates 14 are respectively turned to the vertical state from the horizontal state through the movable ball shaft 13, the magnetic attraction blocks 15 and the magnetic attraction blocks 16 are opposite in corresponding surface, therefore, magnetic attraction force is generated between the magnet block 15 and the magnetic attraction blocks 16, and the connecting cover plate 14 is fixed in the vertical state.

The working principle and the using process of the utility model are as follows: when in use, two connecting cover plates 14 positioned on the same diagonal are selected, the two connecting cover plates 14 are respectively turned over from a horizontal state to a vertical state through the movable ball shafts 13, and the magnetism of the corresponding surfaces of the magnet block 15 and the magnetic attraction block 16 is opposite, so that the magnetic attraction force is generated between the magnet block 15 and the magnetic attraction block 16, and the connecting cover plates 14 are fixed in the vertical state;

at this time, the movable push blocks 11 are exposed, the thumb and the forefinger are used for holding the two movable push blocks 11 respectively, the connecting spring 10 is compressed, the connecting cover plate 14 is used as an acting point, so that the forefinger and the thumb are respectively tightly attached to the corresponding movable push blocks 11 and the connecting cover plate 14, and the micro-fluidic disk body 1 is taken up;

according to test requirements, a sample is dripped into a sample inlet 6, detection ports 7 with different calibers are selected, a microfluidic reagent is dripped into the detection ports 7, and then the microfluidic reagent is placed into centrifugal equipment for testing.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a little flow control dish that little flow control reagent was used, includes little flow control dish body (1) and sets up in spacing draw-in groove (2) of little flow control dish body (1) central point department, its characterized in that: flexible gasket (3) are installed to the inner wall of spacing draw-in groove (2), the top surface mounting of micro-current control dish body (1) has isolation ring (4), the inner wall evenly distributed of isolation ring (4) has identification line (5), sample detection mechanism has been seted up to the inside of micro-current control dish body (1), the outside surface evenly distributed of micro-current control dish body (1) has fixing mechanism.

2. A microfluidic disk for microfluidic reagents according to claim 1, wherein: the sample detection mechanism comprises a sample inlet (6) and a sample detection assembly, the surface of the top end of the micro-fluidic control disk body (1) on the inner side of the isolation ring (4) is provided with the sample inlet (6) which is uniformly distributed, and the sample detection assembly is correspondingly distributed in the micro-fluidic control disk body (1).

3. A microfluidic disk for microfluidic reagents according to claim 2, wherein: the sample detection assembly comprises a microfluidic channel (8) and a detection port (7), the top end surface of the microfluidic control disc body (1) on one side of the sample inlet (6) is provided with the corresponding detection port (7), and the microfluidic channel (8) is arranged between the sample inlet (6) and the detection port (7) together.

4. A microfluidic disk for microfluidic reagents according to claim 3, wherein: the calibers of the detection ports (7) are different, and the inner diameters of the corresponding microfluidic channels (8) are different.

5. A microfluidic disk for microfluidic reagents according to claim 1, wherein: the fixing mechanism comprises a movable assembly and a connecting assembly, the movable assembly is uniformly distributed on the surface of the outer side of the micro-fluidic disk body (1), and the connecting assembly is arranged on the surface of the top end of the movable assembly.

6. A microfluidic control disk for microfluidic reagents according to claim 5, wherein: the movable assembly comprises a movable groove (9) and a movable push block (11), the movable groove (9) is uniformly distributed on the surface of the outer side of the micro-fluidic disk body (1), the inner wall of the movable groove (9) is provided with a connecting spring (10), and the surface of the tail end of the connecting spring (10) is provided with the movable push block (11).

7. A microfluidic control disk for microfluidic reagents according to claim 5, wherein: coupling assembling includes mounting groove (12) and activity ball axle (13), and mounting groove (12) have been seted up to activity groove (9) inner wall of activity ejector pad (11) top, and the inner wall evenly distributed of mounting groove (12) has activity ball axle (13), and the outside surface mounting of activity ball axle (13) has connection cover plate (14), and the internally mounted of connection cover plate (14) has magnet piece (15), and the internally mounted of the isolation ring (4) of neighbouring connection cover plate (14) has magnetism to attract piece (16).

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