CN219596665U

CN219596665U - Leak-proof dropper for detection

Info

Publication number: CN219596665U
Application number: CN202320319365.5U
Authority: CN
Inventors: 王鑫; 程胤凯; 毛洁; 朱桂芬; 阮晓东
Original assignee: Hangzhou Jucheng Medical Products Co ltd
Current assignee: Hangzhou Jucheng Medical Products Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-08-29
Anticipated expiration: 2033-02-10

Abstract

The utility model belongs to the technical field of droppers, and relates to a detection leakage-proof dropper, which is characterized by comprising a lower dropper, an upper dropper and a squeezing block, wherein a lower pipe cavity is formed in the lower dropper, and an upper pipe cavity is formed in the upper dropper; the opening part of one side of the lower tube cavity is fixedly provided with a leakage-proof inner ring, the opening part of one side of the upper tube cavity is fixedly provided with a leakage-proof outer ring, the leakage-proof inner ring is in sliding connection with the leakage-proof outer ring, the leakage-proof inner ring is in tight contact with the leakage-proof outer ring, an extrusion block is placed in the lower tube cavity, and a through cavity is formed in the extrusion block. According to the utility model, through the design of the lower dropper, the upper dropper and the extrusion block, the plastic sealing film can be poked through the extrusion block, so that the poked plastic sealing film can be dripped on the reaction plate, the pyrolysis liquid cannot be polluted, meanwhile, the leak-proof inner ring and the leak-proof outer ring are tightly connected, the tightness of the lower lumen and the upper lumen is ensured, and in addition, the pyrolysis liquid cannot leak when the lower dropper is extruded.

Description

Leak-proof dropper for detection

Technical Field

The utility model belongs to the technical field of droppers, and particularly relates to a detection leakage-proof dropper.

Background

The detection dropper is commonly used for antigen detection, is often used together with an antigen detection kit, is used for biological sampling, and has the following operation flow: sampling by using a sampling swab matched with the antigen detection kit; the sampled swab is placed into a lysate in a dropper for release, and the lysate containing the sample is dripped on a reaction plate;

chinese utility model patent: the application number CN202120381311.2 and publication number CN214622701U disclose an antigen detection leakage-proof reagent dropper, which comprises a tube body and an upper cover, wherein the upper cover is sealed on the tube body, a liquid outlet channel communicated with the tube body is arranged in an inner cavity of the upper cover, an upper cover breaking point is arranged on the upper cover, and the liquid outlet channel is communicated with the outside after the upper cover breaking point is broken; the pipe body comprises a multi-taper pipe body and a small-diameter pipe bottom, and the swab after sampling is arranged in the pipe body and is covered by an upper cover after being broken. The whole process of sample solution storage, transportation, sample collection, release and addition can be realized;

in the practical use process of the dropper, the upper cover of the dropper needs to be broken, fine glass scraps can enter the cracking liquid to influence subsequent observation, meanwhile, the tube body and the upper cover of the dropper are connected through threads, the tightness is poor, the cracking liquid can infiltrate to the threads in the extrusion mixing process to cause secondary pollution, and therefore the detection leakage-proof dropper is designed to solve the problem.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a detection leakage-proof dropper, which can solve the problems that the traditional dropper can pollute a lysate, has poor tightness and is easy to cause secondary pollution.

The detecting leakage-proof dropper is characterized by comprising a lower dropper, an upper dropper and a squeezing block;

a lower lumen is arranged in the lower dropper, and an upper lumen is arranged in the upper dropper;

the opening at one side of the lower tube cavity is fixedly provided with a leakage-proof inner ring, the opening at one side of the upper tube cavity is fixedly provided with a leakage-proof outer ring, and the leakage-proof inner ring is in sliding connection with the leakage-proof outer ring and is in tight contact with the leakage-proof outer ring;

an extrusion block is arranged in the lower lumen, and a through cavity is arranged in the extrusion block.

Preferably, a rubber plug is fixedly arranged at the opening at the other side of the upper lumen.

Preferably, a plastic sealing film is fixedly arranged at the opening of the other side of the lower lumen;

the lower dropper is made of TPE material.

Preferably, the shape of the extrusion block is a combination of a truncated cone and an inverted truncated cone.

Preferably, the circumference outer sides of the lower dropper and the upper dropper are provided with anti-skid patterns.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the leakproof dropper is detected, the plastic sealing film can be poked through the design of the lower dropper, the upper dropper and the extrusion block, so that the poked plastic sealing film can be dripped on the reaction plate, the pyrolysis liquid cannot be polluted, meanwhile, the leakproof inner ring is tightly connected with the leakproof outer ring, the tightness of the lower lumen and the upper lumen is ensured, and in addition, the pyrolysis liquid cannot leak and secondary pollution is avoided when the lower dropper is extruded.

2. According to the anti-leakage dropper for detection, through the design of the rubber plug, the pyrolysis liquid in the lower lumen can be pumped out through the needle cylinder, the lower lumen and the upper lumen do not need to be repeatedly opened, and meanwhile, the air pressure in the dropper can be adjusted through the rubber plug, so that the anti-leakage dropper is simple in structure and convenient to use.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a perspective cross-sectional view of the leak-proof inner race of the present utility model;

FIG. 3 is a schematic perspective view of the lower dropper of the present utility model;

FIG. 4 is a schematic perspective view of the upper dropper of the present utility model;

FIG. 5 is a schematic perspective view of an extrusion block according to the present utility model;

FIG. 6 is a cross-sectional view of the present utility model;

in the figure: 1. the plastic sealing device comprises a lower dropper, 1-1 parts of a lower pipe cavity, 2 parts of an upper dropper, 2-1 parts of an upper pipe cavity, 3 parts of a rubber plug, 4 parts of a leak-proof inner ring, 5 parts of a leak-proof outer ring, 6 parts of an extrusion block, 6-1 parts of a through cavity, 7 parts of a plastic sealing film.

Detailed Description

Referring to fig. 1-6, a detection leakage-proof dropper is disclosed, which is a detection leakage-proof dropper that does not pollute the lysate, has strong tightness, and does not cause secondary pollution. Specifically, the detection leakage-proof dropper comprises a lower dropper 1, an upper dropper 2 and an extrusion block 6.

The lower dropper 1 is internally provided with a lower pipe cavity 1-1, the upper dropper 2 is internally provided with an upper pipe cavity 2-1, an opening at one side of the lower pipe cavity 1-1 is fixedly provided with a leakage-proof inner ring 4, an opening at one side of the upper pipe cavity 2-1 is fixedly provided with a leakage-proof outer ring 5, the leakage-proof inner ring 4 is in sliding connection with the leakage-proof outer ring 5 and is in tight contact with the leakage-proof outer ring 5, an extrusion block 6 is arranged in the lower pipe cavity 1-1, a through cavity 6-1 is arranged in the extrusion block 6, a plastic sealing film 7 can be poked through the extrusion block 6, so that a cracking liquid in the lower pipe cavity 1-1 is dripped on a reaction plate, the poked plastic sealing film 7 cannot pollute the cracking liquid, meanwhile, the leakage-proof inner ring 4 is tightly connected with the leakage-proof outer ring 5, the sealing performance of the lower pipe cavity 1-1 and the upper pipe cavity 2-1 is ensured, and secondary pollution is avoided when the dropper 1 is extruded.

The rubber plug 3 is fixedly arranged at the opening part of the other side of the upper lumen 2-1, the pyrolysis liquid in the lower lumen 1-1 can be pumped out through the needle cylinder, the lower lumen 1-1 and the upper lumen 2-1 do not need to be repeatedly opened, and meanwhile, the air pressure in the dropper can be adjusted through the rubber plug 3, so that the dropper is simple in structure and convenient to use.

A plastic sealing film 7 is fixedly arranged at the opening of the other side of the lower tube cavity 1-1, and the lower dropper 1 is made of TPE material.

The extrusion block 6 is a combination of a truncated cone shape and an inverted truncated cone shape.

Anti-skid patterns are arranged on the outer sides of the periphery of the lower dropper 1 and the periphery of the upper dropper 2.

When the dropper is used, the upper dropper 2 is opened, the lower lumen 1-1 is filled with the lysis solution, the swab is used for sampling, the upper dropper 2 is opened, the sampled swab is placed into the lysis solution in the lower lumen 1-1, and after the upper dropper 2 is covered, the part of the lower dropper 1 containing the swab head is extruded, so that the lysis solution is fully contacted with the swab head;

when the air pressure in the dropper is different from the outside after the dropper is contacted, the air pressure in the dropper can be adjusted by inserting the needle tube into the rubber plug 3;

after full contact, the part of the lower dropper 1 containing the extrusion block 6 is extruded, so that the extrusion block 6 moves to the plastic sealing film 7 and breaks the plastic sealing film 7, at the moment, the extrusion block 6 is also clamped and fixed at the opening of the lower lumen 1-1, the lower lumen 1-1 is extruded, and the cracked solution with the sample is dripped on the reaction plate.

Claims

1. The detecting leakage-proof dropper is characterized by comprising a lower dropper (1), an upper dropper (2) and an extrusion block (6);

a lower lumen (1-1) is arranged in the lower dropper (1), and an upper lumen (2-1) is arranged in the upper dropper (2);

an anti-leakage inner ring (4) is fixedly arranged at the opening at one side of the lower pipe cavity (1-1), an anti-leakage outer ring (5) is fixedly arranged at the opening at one side of the upper pipe cavity (2-1), and the anti-leakage inner ring (4) is in sliding connection with the anti-leakage outer ring (5) and is in tight contact with the anti-leakage outer ring;

an extrusion block (6) is arranged in the lower pipe cavity (1-1), and a through cavity (6-1) is arranged in the extrusion block (6).

2. The test drip tube of claim 1, wherein: a rubber plug (3) is fixedly arranged at the opening at the other side of the upper tube cavity (2-1).

3. The test drip tube of claim 1, wherein: a plastic sealing film (7) is fixedly arranged at the opening of the other side of the lower pipe cavity (1-1);

the lower dropper (1) is made of TPE material.

4. The test drip tube of claim 1, wherein: the shape of the extrusion block (6) is a combination of a truncated cone and an inverted truncated cone.

5. The test drip tube of claim 1, wherein: the peripheral outer sides of the lower dropper (1) and the upper dropper (2) are provided with anti-skid patterns.