Leakage-proof microfluidic interface structure of kit

Abstract

The invention relates to the technical field of kits, and discloses a leakproof microfluidic interface structure of a kit, the leakproof microfluidic interface structure comprises a box body, the top of the box body is provided with a top cover, the outer wall of the box body is provided with a liquid guide pipe in a penetrating manner, the inner wall of the liquid guide pipe is fixedly sleeved with a positioning ring, the outer wall of the positioning ring is provided with an extension spring, and the extension spring is provided with a liquid outlet. A connecting pipe is arranged at the end, away from the positioning ring, of the extension spring. According to the anti-leakage microfluidic interface structure of the kit, through the arrangement of the box body, the top cover, the liquid guide pipe, the connecting pipe, the positioning ring, the movable groove, the liquid outlet groove, the first electromagnet and the second electromagnet, in the use process of the kit, a user can generate repulsive force by electrifying the first electromagnet and the second electromagnet; a gap is formed between the connecting pipe and the baffle plate, so that the effect of adjusting the liquid flow is realized, a user can conveniently extract sample liquid with different volumes, and the practicability of the kit is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of reagent kits, in particular to a leakage-proof microfluidic interface structure of a reagent kit. BACKGROUND

[0002] A reagent kit is a special container for storing reagents for detecting chemical components, drug residues, virus types, etc., and is mainly used in hospitals, pharmaceutical enterprises and scientific research fields. Its core function is to standardize the storage of experimental reagents, simplify the detection process, and common types include nucleic acid extraction, protein detection, etc. Special categories.

[0003] The existing reagent kit can store sample liquid and allow the user to extract the sample liquid stored therein during use, but the existing reagent kit does not have a mechanism for the user to extract different volumes of sample liquid, so the extraction of sample liquid can only be done purely by experience, thereby reducing the practicality of the existing reagent kit. Therefore, we propose a leakage-proof microfluidic interface structure of a reagent kit. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a leakage-proof microfluidic interface structure of a reagent kit, which solves the problems mentioned in the background.

[0005] The present application provides the following technical solution: a leakage-proof microfluidic interface structure of a reagent kit, comprising a box body, a top cover is arranged on the top of the box body, a liquid guide pipe is arranged through the outer wall of the box body, a positioning ring is fixedly sleeved on the inner wall of the liquid guide pipe, a tension spring is arranged on the outer wall of the positioning ring, a connecting pipe is arranged on the end of the tension spring away from the positioning ring, a liquid inlet groove is arranged on the end of the connecting pipe away from the tension spring, a circular groove is arranged on the inner wall of the liquid inlet groove, an active groove and a liquid outlet groove are respectively arranged on the end of the connecting pipe close to the positioning ring, a positioning rod is fixedly assembled on the inner wall of the liquid guide pipe, a baffle is fixedly assembled on the outer wall of the positioning rod, a liquid guide groove is arranged on the outer wall of the baffle, an electromagnet one is fixedly assembled on the inner wall of the liquid outlet groove, and an electromagnet two and a sealing rod are fixedly assembled on the end of the baffle close to the connecting pipe.

[0006] As a preferred technical solution of the present application, the inner wall of the active groove is in sliding connection with the outer wall of the positioning rod, and the positioning rod, the sealing rod and the baffle are all made of rubber.

[0007] As a preferred technical solution of the present application, the number of the positioning rods is two, and the two positioning rods are symmetrically distributed along the outer wall of the baffle.

[0008] As a preferred technical solution of the present application, the outer wall of the connecting pipe is in sliding connection with the inner wall of the liquid guide pipe, and the shape of the liquid outlet groove is matched with the shape of the liquid guide groove.

[0009] As a preferred technical scheme of the present application, the electromagnet one and the electromagnet two repel each other when both are energized, and the position of the electromagnet one corresponds to the position of the electromagnet two.

[0010] As a preferred technical scheme of the present application, the box body is connected with the outside through the connecting pipe, and the inner wall of the movable groove is tightly fitted with the outer wall of the sealing rod when the inner wall of the movable groove is fitted with the outer wall of the positioning rod.

[0011] As a preferred technical scheme of the present application, the number of the tension springs is two, and the two tension springs are symmetrically distributed along the outer wall of the positioning ring.

[0012] Compared with the prior art, the present application has the following beneficial effects: 1. The leakage-proof micro-fluidic interface structure of the kit, through the box body, the top cover, the liquid guide pipe, the connecting pipe, the positioning ring, the movable groove, the liquid outlet groove, the electromagnet one and the electromagnet two structure, the user can generate repulsion by energizing the electromagnet one and the electromagnet two during use, so that a gap is generated between the connecting pipe and the baffle, the effect of adjusting the liquid flow is achieved, and the user can extract samples of different volumes, improving the practicability of the kit.

[0013] 2. The leakage-proof micro-fluidic interface structure of the kit, through the tension spring, the sealing rod, the liquid guide groove, the baffle, the circular groove and the positioning rod structure, when the electromagnet one and the electromagnet two are both de-energized during use, the connecting pipe is reset by the resilience of the tension spring, so that the sealing rod is re-inserted into the circular groove, the effect of sealing the box body and the liquid guide pipe is achieved, and the sealing performance of the kit is improved, making it easier for the user to operate. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a schematic diagram of the three-dimensional structure of the present application; Figure 2 is a schematic diagram of the side view structure of the present application; Figure 3 is a schematic diagram of the side view structure of the present application; Figure 4 is a schematic diagram of the tension spring structure of the present application; Figure 5 is a schematic diagram of the tension spring structure of the present application; Figure 4 is a schematic diagram of the tension spring structure of the present application;

[0015] In the figure: 1, box body; 2, top cover; 3, liquid guide pipe; 4, connecting pipe; 5, positioning ring; 6, liquid inlet groove; 7, tension spring; 8, movable groove; 9, positioning rod; 10, baffle; 11, circular groove; 12, electromagnet one; 13, electromagnet two; 14, liquid outlet groove; 15, sealing rod; 16, liquid guide groove. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0017] Please refer to Figures 1-5 A leakage-proof microfluidic interface structure of a kit, comprising a box body 1, a top cover 2 arranged on the top of the box body 1, a liquid guide pipe 3 penetrating through the outer wall of the box body 1, a positioning ring 5 fixedly sleeved on the inner wall of the liquid guide pipe 3, a tension spring 7 arranged on the outer wall of the positioning ring 5, a connecting pipe 4 arranged on the end of the tension spring 7 away from the positioning ring 5, a liquid inlet groove 6 arranged on the end of the connecting pipe 4 away from the tension spring 7, a circular groove 11 arranged on the inner wall of the liquid inlet groove 6, an active groove 8 and a liquid outlet groove 14 respectively arranged on the end of the connecting pipe 4 close to the positioning ring 5, a positioning rod 9 fixedly assembled on the inner wall of the liquid guide pipe 3, a baffle 10 fixedly assembled on the outer wall of the positioning rod 9, a liquid guide groove 16 arranged on the outer wall of the baffle 10, an electromagnet one 12 fixedly assembled on the inner wall of the liquid outlet groove 14, and an electromagnet two 13 and a sealing rod 15 fixedly assembled on the end of the baffle 10 close to the connecting pipe 4.

[0018] In the above structure, the box body 1, the top cover 2, the liquid guide pipe 3, the connecting pipe 4, the positioning ring 5, the liquid inlet groove 6, the tension spring 7 and the active groove 8 are arranged, so that after installation, the user can generate repulsion by energizing the electromagnet one 12 and the electromagnet two 13, so that the connecting pipe 4 slides along the inner wall of the liquid guide pipe 3 to generate a gap between the connecting pipe 4 and the baffle 10, thereby increasing the activity space of the liquid medicine and achieving the effect of adjusting the liquid flow, thereby improving the practicality of the structure.

[0019] In a preferred embodiment, the inner wall of the active groove 8 is in sliding connection with the outer wall of the positioning rod 9, and the positioning rod 9, the sealing rod 15 and the baffle 10 are all made of rubber.

[0020] In the above structure, the rubber material has the characteristics of elasticity and air tightness, which can achieve the effect of blocking the sample liquid, and in the use process, the baffle 10 and the sealing rod 15 can respectively seal the connecting pipe 4 and the circular groove 11, thereby preventing the sample liquid from leaking, thereby improving the sealing performance of the structure.

[0021] In a preferred embodiment, the number of the positioning rods 9 is two, and the two positioning rods 9 are symmetrically distributed along the outer wall of the baffle 10.

[0022] In the structure, the two positioning rods 9 are used to limit the movement of the connecting pipe 4, so as to prevent the connecting pipe 4 from tilting or even deviating during movement, thereby improving the stability of the connecting pipe 4 during movement.

[0023] In a preferred embodiment, the outer wall of the connecting pipe 4 is in sliding connection with the inner wall of the liquid guide pipe 3, and the shape of the liquid outlet groove 14 is matched with the shape of the liquid guide groove 16.

[0024] In the structure, the connecting pipe 4 can be adjusted in flow during use, so that the user can take different amounts of liquid when taking the sample liquid, thereby facilitating the user's operation.

[0025] In a preferred embodiment, the electromagnet one 12 and the electromagnet two 13 repel each other after being powered on, and the position of the electromagnet one 12 corresponds to the position of the electromagnet two 13.

[0026] In the structure, the repulsive force between the electromagnet one 12 and the electromagnet two 13 is used to adjust the liquid flow, so that the user does not need to manually adjust the operation, thereby simplifying the operation process of the structure and improving the practicability of the structure.

[0027] In a preferred embodiment, the box body 1 is connected to the outside through the connecting pipe 4, and when the inner wall of the movable groove 8 is in close contact with the outer wall of the positioning rod 9, the inner wall of the circular groove 11 is in close contact with the outer wall of the sealing rod 15.

[0028] In the structure, the movable groove 8, the positioning rod 9, and the circular groove 11 are used to isolate the inside of the box body 1 by inserting the circular groove 11 and the sealing rod 15, so as to achieve the effect of sealing the box body 1 and the connecting pipe 4, thereby ensuring the sealing and storage effect of the sample.

[0029] In a preferred embodiment, the number of the tension springs 7 is two, and the two tension springs 7 are symmetrically distributed along the outer wall of the positioning ring 5.

[0030] In the structure, when the electromagnet one 12 and the electromagnet two 13 are both powered off, the elasticity of the tension spring 7 is used to pull the connecting pipe 4, so that the connecting pipe 4 is re-sealed by the sealing rod 15, thereby ensuring that the connecting pipe 4 can be reset without the sealing rod 15 and the circular groove 11 being inserted out of position, thereby ensuring the normal use of the structure.

[0031] Working principle: first, the user in the sample liquid for taking, can first through the electromagnetic iron 12 and electromagnetic iron 13 between the two power generation repulsion, so that the repulsive force effect connecting pipe 4 along the inner wall of the guide tube 3 to the box 1 sliding, so as to adjust the spacing between the connecting pipe 4 and the baffle 10, so that the flow is adjusted, in order to facilitate the user to take different number of sample liquid, and the electromagnetic iron 12 and electromagnetic iron 13 power can complete the operation, without the need for manual adjustment, and in the process of work can also be through the electromagnetic iron 12 and electromagnetic iron 13 power off so that the extension spring 7 pull connecting pipe 4 reset and make the inner wall of the round groove 11 and the outer wall of the sealing rod 15 tightly, so as to realize the sealing effect of the box 1, so as to ensure that the subsequent use of the kit will not be affected, improve the sealing of the kit.

[0032] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, alternatives and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A leak-proof microfluidic interface structure of a kit, characterized by, The utility model provides a box body (1), the top of box body (1) is equipped with top cover (2), the outer wall of box body (1) is passed through and is equipped with liquid guide pipe (3), the inner wall of liquid guide pipe (3) is fixedly sleeved with the positioning ring (5), the outer wall of positioning ring (5) is equipped with tension spring (7), the one end of tension spring (7) away from positioning ring (5) is equipped with connecting pipe (4), the one end of connecting pipe (4) away from tension spring (7) is equipped with liquid inlet groove (6), the inner wall of liquid inlet groove (6) is equipped with round groove (11), the one end of connecting pipe (4) close to positioning ring (5) is equipped with movable slot (8) and liquid outlet groove (14) respectively, the inner wall of liquid guide pipe (3) is fixedly assembled with the positioning rod (9), the outer wall of positioning rod (9) is fixedly assembled with baffle (10), the outer wall of baffle (10) is equipped with liquid guide groove (16), the inner wall of liquid outlet groove (14) is fixedly assembled with electromagnet one (12), the one end of baffle (10) close to connecting pipe (4) is fixedly assembled with electromagnet two (13) and sealing rod (15) respectively.

2. The leak-proof microfluidic interface structure of a kit according to claim 1, wherein, The inner wall of movable slot (8) is slidably connected with the outer wall of positioning rod (9), and positioning rod (9), sealing rod (15) and baffle (10) are all made of rubber.

3. The leak-proof microfluidic interface structure of a kit according to claim 1, wherein, The number of positioning rod (9) is two, and the two positioning rods (9) are symmetrically distributed along the outer wall of baffle (10).

4. The leak-proof microfluidic interface structure of a kit according to claim 1, wherein, The outer wall of connecting pipe (4) is slidably connected with the inner wall of liquid guide pipe (3), and the shape of liquid outlet groove (14) is matched with the shape of liquid guide groove (16).

5. The leak-proof microfluidic interface structure of a kit according to claim 1, wherein, Electromagnet one (12) and electromagnet two (13) repel each other after electrification, and the position of electromagnet one (12) corresponds to the position of electromagnet two (13).

6. The leak-proof microfluidic interface structure of a kit according to claim 1, wherein, The box body (1) is connected with the outside through connecting pipe (4), when the inner wall of movable slot (8) is attached with the outer wall of positioning rod (9), the inner wall of round groove (11) is tightly attached with the outer wall of sealing rod (15).

7. The leak-proof microfluidic interface structure of a kit according to claim 1, wherein, The number of tension spring (7) is two, and the two tension springs (7) are symmetrically distributed along the outer wall of positioning ring (5).

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