CN218969216U

CN218969216U - Amplification reagent tube

Info

Publication number: CN218969216U
Application number: CN202223373295.6U
Authority: CN
Inventors: 袁志强; 严欢; 王红春; 汪建德
Original assignee: Shenzhen Jinrui Biotechnology Co ltd
Current assignee: Shenzhen Jinrui Biotechnology Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-05
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses an amplification reagent tube, which comprises an amplification cup, an amplification cup holder and a cup cover; the amplification cup is placed on the amplification cup holder, a first lock catch is sleeved on the amplification cup, a ring wall protrusion is arranged in the amplification cup, a boss matched with the ring wall protrusion is arranged on the cup cover, and a second lock catch is arranged on the amplification cup holder; when the cup cover is pressed on the amplifying cup, the boss is tightly attached to the bulge on the annular wall, and when the first lock catch stretches into the second lock catch, the amplifying cup is rotated to tightly lock the first lock catch and the second lock catch. According to the amplification reagent tube, the amplification cup holder and the cup cover are improved, the boss in the cup cover and the bulge on the annular wall in the amplification cup are mutually attached, the effect of sealing the amplification cup is achieved, the first lock catch on the amplification cup and the second lock catch on the amplification cup holder are mutually matched and twisted tightly, the amplification cup can be fixed, the structure is simple, the processing difficulty is low, and the problems of cross infection and liquid leakage between the amplification cups are avoided.

Description

Amplification reagent tube

Technical Field

The utility model relates to the technical field of biological product containers, in particular to an amplification reagent tube.

Background

Currently, PCR reaction technology is indispensable in molecular biology research and medical clinical diagnosis. The PCR reaction, i.e., the polymerase chain reaction (polymerase chain reaction, PCR), is a method of rapidly amplifying a specific gene or DNA sequence in vitro, and is also called an in vitro amplification method of a gene. The two oligonucleotide primers complementary to the two sides of the DNA fragment to be amplified are denatured, annealed and extended for several cycles, and the DNA is amplified 2 times square. The PCR reaction is usually carried out by using tools such as a PCR tube, a PCR tube strip, a PCR tube plate and the like, wherein the PCR tube is single-hole, the PCR tube strip is generally 8-hole and 12-hole, the PCR reaction plate is generally 96-hole or 384-hole, and the PCR reaction plate is specially designed for batch reaction and is used for a PCR instrument and a sequencer.

Reagents, also known as biochemical reagents or reagents; the method mainly realizes chemical reaction, analysis and assay, research experiment, teaching experiment and pure chemicals used by chemical formula; generally, the reagent is classified into general reagents, high purity reagents, analytical reagents, instrumental analytical reagents, clinical diagnostic reagents, biochemical reagents, inorganic ion color developing reagent and the like according to the purpose. When the existing reagent is detected, the detection is carried out through a single reagent tube, the structure is single, the splashing is easily caused due to poor sealing performance, the detection result cannot be intuitively reflected in a plurality of groups of experiments, and when the traditional reagent is quantitatively detected, the reagent is required to be manually controlled to be flush with the tube body, but the reagent is easy to overflow.

The prior amplification reagent tube is sealed by utilizing the tube cover to be clamped in the tube orifice of the tube body during preservation, but the clamping force between the tube cover and the tube body of the prior amplification reagent tube is smaller, the tube cover can be separated from the tube body in the experimental process due to the operation of the movement of the tube body, the centrifugal experiment, the high-low pressure experiment and the like, the sealing effect is poor, and the sealing is unreliable, so that the problems of liquid leakage and cross contamination of the amplification reagent tube are caused.

Disclosure of Invention

The utility model mainly aims to provide an amplification reagent tube, which aims to solve the problems of liquid leakage and cross contamination of the amplification reagent tube.

In order to achieve the above purpose, the utility model provides an amplification reagent tube, which comprises an amplification cup, an amplification cup holder and a cup cover; the amplification cup is placed on the amplification cup holder, a first lock catch is sleeved on the amplification cup, a circular wall protrusion is arranged in the amplification cup, a boss matched with the circular wall protrusion is arranged on the cup cover, and a second lock catch is arranged on the amplification cup holder; when the cup cover is pressed on the amplification cup, the boss is tightly attached to the protrusion of the annular wall, and when the first lock catch stretches into the second lock catch, the amplification cup is rotated, and the first lock catch is tightly buckled with the second lock catch.

In one embodiment, a connecting strip for fixing the cup cover is integrally formed on one side of the cup cover, and the cup cover is connected with the amplification cup holder through the connecting strip.

In one embodiment, the amplification cup holder is provided with a mounting hole, the second lock catch is fixed on the inner wall of the mounting hole, and the amplification cup is mounted in the mounting hole.

In one embodiment, a first Z-shaped protrusion is disposed on the outer wall of the first lock catch, a second Z-shaped protrusion matched with the first Z-shaped protrusion is disposed on the inner wall of the second lock catch, and the first Z-shaped protrusion is tightly clamped with the second Z-shaped protrusion.

In one embodiment, the two sides of the amplification cup holder are provided with fixing plates, a notch which is matched with the fixing plates is arranged on the position, corresponding to the fixing plates, of the cup cover, and when the cup cover is pressed on the amplification cup, the fixing plates are fixed in the notch.

In one embodiment, the upper end of the fixing plate is provided with a handle for skid prevention, and the lower end of the fixing plate is provided with a buckle for fixing the amplification cup holder.

In one embodiment, the amplifying cups are arranged side by side.

The utility model has the beneficial effects that:

according to the amplification reagent tube, the amplification cup holder and the cup cover are improved, the boss in the cup cover and the bulge on the annular wall in the amplification cup are mutually attached, the effect of sealing the amplification cup is achieved, the first lock catch on the amplification cup and the second lock catch on the amplification cup holder are mutually matched and twisted tightly, the amplification cup can be fixed, the structure is simple, the processing difficulty is low, and the problems of cross infection and liquid leakage between the amplification cups are avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an amplification reagent tube of the present utility model;

FIG. 2 is a block diagram of the amplification cup holder and cap of the present utility model;

FIG. 3 is a block diagram of an amplification cup of the present utility model.

Reference numerals illustrate:

an amplification cup 10; a first shackle 101; a first Z-shaped protrusion 1011; a circumferential wall protrusion 102; amplification cup holder 20; a second lock 201; a second Z-shaped protrusion 2011; a mounting hole 202; a fixing plate 203; a handle 2031; clasp 2032; a cup cover 30; a boss 301; a connecting bar 302; notch 303;

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1, an embodiment of the present utility model provides an amplification reagent tube, which comprises an amplification cup 10, an amplification cup holder 20, and a cup cover 30; the amplification cup 10 is placed on the amplification cup holder 20, a first lock catch 101 is sleeved on the amplification cup 10, a ring wall protrusion 102 is arranged in the amplification cup 10, a boss 301 matched with the ring wall protrusion 102 is arranged on the cup cover 30, and a second lock catch 201 is arranged on the amplification cup holder 20; when the cup cover 30 is pressed on the amplification cup 10, the boss 301 is tightly attached to the annular wall protrusion 102, when the first lock catch 101 stretches into the second lock catch 201, the amplification cup 10 is rotated, the first lock catch 101 is tightly buckled with the second lock catch 201, the effect of fixing and sealing the amplification cup 10 is achieved through the design, the structure of two-layer buckling is simple, the processing difficulty is low, liquid leakage can be effectively avoided, and cross infection between the amplification cups 10 is prevented.

Referring to fig. 1, a connecting strip 302 for fixing the cup cover 30 is integrally formed on one side of the cup cover 30, the cup cover 30 is connected with the amplification cup holder 20 through the connecting strip 302, the cup cover 30 can be conveniently fixed on one side of the amplification cup holder 20 by the aid of the connecting strip 302, cross infection caused by cross use of different cup covers 30 when the cup cover 30 is needed is effectively avoided, the connecting strip 302 has ductility, can be bent and folded, is convenient for bending the cup cover 30 towards the amplification cup holder 20, and further covers the cup cover 30 on the amplification cup 10, and when the cup cover 30 is not covered on the amplification cup 10, the cup cover 30 is placed at 90 degrees with the amplification cup 10, so that automatic capping operation of a user and equipment is facilitated.

Referring to fig. 2, the amplifying cup holder 20 is provided with a mounting hole 202, the second lock catch 201 is fixed on the inner wall of the mounting hole 202, the amplifying cup 10 is mounted in the mounting hole 202, one mounting hole 202 corresponds to one amplifying cup 10, each amplifying cup 10 has a dedicated position, cross infection between the amplifying cups 10 can be avoided, and the number of the mounting holes 202 can be set according to actual situation needs.

Referring to fig. 1 and 3, a first Z-shaped protrusion 1011 is provided on the outer wall of the first lock catch 101, a second Z-shaped protrusion 2011 matching with the first Z-shaped protrusion 1011 is provided on the inner wall of the second lock catch 201, the first Z-shaped protrusion 1011 and the second Z-shaped protrusion are tightly clamped, when the amplification cup 10 is inserted into the amplification cup holder 20, the first lock catch 101 corresponds to the position of the second lock catch 201, and when the amplification cup 10 is rotated by a user, the first lock catch 101 and the first Z-shaped protrusion 1011 are rotated accordingly, and when the first lock catch 101 and the first Z-shaped protrusion 1011 are rotated until the first and the second Z-shaped protrusion 2011 cannot be rotated, the first Z-shaped protrusion 1011 and the second Z-shaped protrusion 2011 are tightly buckled together, so that the amplification cup 10 is fixed on the amplification cup holder, and when the amplification cup 10 is required to be removed, the amplification cup 10 is only required to be rotated in the opposite direction, and the amplification cup 10 is required to be extended out of the amplification cup holder 20.

Referring to fig. 1, fixing plates 203 are disposed on two sides of the amplification cup holder 20, notches 303 matching with the fixing plates 203 are disposed on positions of the cup cover 30 corresponding to the fixing plates 203, when the cup cover 30 is pressed on the amplification cup 10, the fixing plates 203 are fixed in the notches 303, the size of the notches 303 is consistent with the width of the fixing plates 203, when the cup cover 30 is pressed on the amplification cup 10, the fixing plates 203 are located at the positions of the notches 303, and the fixing plates 203 and the notches 303 are abutted against each other, so that the positions of the cup cover 30 are further fixed, the cup cover 30 is limited from moving left and right, slight shaking of the cup cover 30 is prevented, the stability of the positions of the cup cover 30 is enhanced, the cup cover 30 is firmer, and the tightness of the amplification cup 10 is further improved.

Referring to fig. 1, the upper end of the fixing plate 203 is provided with a handle 2031 for preventing slipping, the lower end of the fixing plate 203 is provided with a buckle 2032 for fixing the amplification cup holder 20, when a user needs to take the whole amplification cup holder 20, the user can place the thumb and the index finger at the lower end of the handle 2031, and the thumb and the index finger are abutted to the handle 2031, so that the amplification cup holder 20 can be prevented from slipping off the hand of the user, the amplification cup 10 can be prevented from falling and breaking, infection is caused, the buckle 2032 is convenient for the user to fix the amplification cup holder 20 on a reagent table, and the amplification cup holder 20 is buckled on the reagent table through the buckle 2032, so that the stability of the amplification cup holder 20 is ensured.

Referring to fig. 1, a plurality of amplification cups 10 are arranged side by side, the number of the amplification cups 10 can be adjusted according to actual conditions, the amplification cups 10 required by corresponding items can be selected corresponding to different items, and the amplification cups 10 can be placed on the amplification cup holder 20 for detection, if the items are replaced, the amplification cups 10 can be directly disassembled, and the required amplification cups 10 can be replaced, so that reagents are not wasted, the probability of cross contamination can be reduced, and a user can conveniently and flexibly select the items; the cup cover 30 may also be provided with a plurality of bosses 301, where the number of bosses 301 is consistent with that of the amplification cup 10, when the cup cover 30 is pressed onto the amplification cup 10, a capping operation may be performed on a plurality of amplification cups 10 at a time, and in another embodiment, the size of the amplification cup 10 may be adjusted according to the requirement.

The working principle of the utility model is as follows:

when the amplification reagent tube of this embodiment is used, firstly, the amplification cup 10 is stretched into the amplification cup holder 20, the amplification cup 10 is rotated clockwise, so that the first lock catch 101 on the amplification cup 10 is tightly clamped with the second lock catch 201 on the amplification cup holder 20, that is, the first Z-shaped protrusion 1011 and the second Z-shaped protrusion 2011, and then the cup cover 30 is pressed towards the amplification cup holder 20, so that the boss 301 enters the amplification cup 10 and is attached to the annular wall protrusion 102, the annular wall protrusion 102 abuts against the boss 301, the boss 301 is fixed in the amplification cup 10, the effect of sealing the amplification cup 10 is achieved, and the condition of liquid leakage of the amplification cup 10 is effectively prevented.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. An amplification reagent tube is characterized by comprising an amplification cup, an amplification cup holder and a cup cover; the amplification cup is placed on the amplification cup holder, a first lock catch is sleeved on the amplification cup, a circular wall protrusion is arranged in the amplification cup, a boss matched with the circular wall protrusion is arranged on the cup cover, and a second lock catch is arranged on the amplification cup holder;

when the cup cover is pressed on the amplification cup, the boss is tightly attached to the protrusion of the annular wall, and when the first lock catch stretches into the second lock catch, the amplification cup is rotated, and the first lock catch is tightly buckled with the second lock catch.

2. The amplification reagent tube of claim 1, wherein a connecting strip for fixing the cup cover is integrally formed on one side of the cup cover, and the cup cover and the amplification cup holder are connected through the connecting strip.

3. The amplification reagent tube of claim 1, wherein the amplification cup holder is provided with a mounting hole, the second lock catch is fixed on an inner wall of the mounting hole, and the amplification cup is mounted in the mounting hole.

4. The amplification reagent tube of claim 1, wherein a first Z-shaped protrusion is provided on the outer wall of the first lock catch, a second Z-shaped protrusion is provided on the inner wall of the second lock catch, the second Z-shaped protrusion being mated with the first Z-shaped protrusion, and the first Z-shaped protrusion being tightly clamped with the second Z-shaped protrusion.

5. The amplification reagent tube of claim 1, wherein the two sides of the amplification cup holder are provided with fixing plates, a notch matched with the fixing plates is arranged on the position of the cup cover corresponding to the fixing plates, and the fixing plates are fixed in the notch when the cup cover is pressed on the amplification cup.

6. The amplification reagent tube of claim 5, wherein the upper end of the fixing plate is provided with a grip for preventing slipping, and the lower end of the fixing plate is provided with a buckle for fixing the amplification cup holder.

7. The amplification reagent tube of claim 1, wherein the amplification cups are arranged side by side.