WO2021051688A1

WO2021051688A1 - Micro-reagent mixing and adding device

Info

Publication number: WO2021051688A1
Application number: PCT/CN2019/126206
Authority: WO
Inventors: 陈俊林; 黄飞; 马娟
Original assignee: 陈俊林
Priority date: 2019-09-19
Filing date: 2019-12-18
Publication date: 2021-03-25
Also published as: ZA202003265B

Abstract

A micro-reagent mixing and adding device, comprising a container housing (1), a sample loading bin (5), and a liquid discharge nozzle (13). A mixing rod (2) is mounted inside the container housing (1), and a stirring fan blade (4) is fixed on a side surface of the mixing rod (2). The sample loading bin (5) is mounted on a side surface of the container housing (1). A rotating shaft (7) is provided on a side surface of the sample loading bin (5). A blocking plate (8) is fixed on a side surface of the rotating shaft (7). A liquid discharge bin (9) is mounted and fixed on a lower end surface of the sample loading bin (5). A connecting rod (10) is movably connected inside the liquid discharge bin (9). A rotating handle (11) is connected to a lower end surface of the connecting rod (10). An inner plate (14) is provided under the stirring fan blade (4). The liquid discharge nozzle (13) is mounted on a right side of the inner plate (14), and a plugging pile (12) penetrates through the interior of the liquid discharge nozzle (13). A spring (16) is fixed on an outer surface of the container housing (1), and a plugging plate (15) is fixed on a side end surface of the spring (16). The micro-reagent mixing and adding device can simultaneously mix a plurality of solution groups in a sealed manner so as to avoid external bacterial interference, and uses manual stirring to improve solution mixing efficiency.

Description

Micro-reagent mixing sampler

Technical field

The utility model relates to the technical field of chemical containers, in particular to a micro reagent mixing sampler.

Background technique

Reagents, also known as biochemical reagents or reagents, are mainly pure chemicals used in chemical reactions, analytical tests, research tests, teaching experiments, and chemical formulations. Most chemical tests involve mixing of various reagents. Generally, reagents are used in various Test tubes and glass containers.

At present, the mixing test tube is generally mixed in the form of shaking. When mixing a relatively viscous liquid, the shaking and mixing is not complete, and when adding liquid to the test tube, it is easy to cause excessive liquid addition, leading to the test conclusion Inaccurate, for this reason, we propose a micro-reagent mixing and sampler.

Utility model content

The purpose of the present utility model is to provide a micro reagent mixing sampler to solve the problem proposed in the background art. At present, the test tube for mixing is generally mixed in the form of shaking. When mixing relatively viscous liquids, shaking and mixing It is not thorough, and when adding liquid to the test tube, it is easy to cause excessive addition of liquid, which leads to the problem of inaccurate test conclusions.

In order to achieve the above objective, the present invention provides the following technical solution: a micro reagent mixing sampler, comprising a container shell, a sample adding bin and a liquid outlet nozzle, the container shell is installed with a mixing rod, and the mixing rod The side surface is fixed with stirring fan blades, the sample adding chamber is installed on the side surface of the container shell, and the side surface of the sample adding chamber is provided with a rotating shaft, and the side surface of the rotating shaft is fixed with a baffle. A liquid outlet is fixed on the lower end surface of the liquid outlet, and a connecting rod is movably connected to the inside of the liquid outlet. The lower end of the connecting rod is connected with a rotating handle, and an inner plate is arranged under the stirring fan. The nozzle is installed on the right side of the inner plate, and a plugging pile penetrates through the inside of the outlet nozzle, a spring is fixed on the outer surface of the container shell, and a plugging plate is fixed on the side end surface of the spring.

Preferably, the mixing rod penetrates the inside of the container shell, and a connecting shaft is installed at the connection between the mixing rod and the container shell, and the outer structure of the container shell is an inverted triangle structure.

Preferably, the sample loading bin is fixedly connected to the side surface of the container shell, and the sample loading bins are symmetrically distributed with respect to the vertical center line of the container shell, and the inner wall of the sample loading bin is inlaid with graduation lines.

Preferably, the rotating shaft forms a rotating structure between the sample loading compartment and the baffle, and the baffle is attached to the inside of the sample loading compartment.

Preferably, a connecting structure is formed between the liquid outlet bin and the sample adding chamber, and the connecting rod is movably connected with the inner surface of the liquid outlet bin, the rotating handle and the connecting rod form a rotating structure, and the upper end surface of the connecting rod A sealed structure is formed with the opening on the lower bottom surface of the sample chamber.

Preferably, the shape of the inner plate is arc-shaped, and the lower end of the inner plate and the outlet nozzle are in the same horizontal direction, the outlet nozzle adopts an inclined design, and blocks the space between the pile and the outer surface of the container shell In a movable connection, the spring forms an elastic structure between the blocking plate and the outer surface of the container shell, and the blocking plate and the liquid outlet hole of the scale line form a sealing structure.

Compared with the prior art, the beneficial effects of the utility model are:

1. The purpose of the mixing rod is to make the mixing rod drive the internal stirring fan to rotate, thereby increasing the mixing speed of the solution inside the container shell, and making the liquid with higher viscosity mix more thoroughly, and it is directly sealed inside the container shell Stirring, it will not be infected by the environment such as external bacteria. The set sample chamber and the side surface of the container shell adopt an inclined design to avoid experimental errors caused by the solution remaining inside. The design is reasonable and easy to use;

2. The purpose of the set shaft is that the baffle can rotate to the inside of the sample chamber, which is easy to operate and does not need to be manually closed. The baffle can automatically close the opening through the shaft, which reduces the number of operations and is easy to use. The purpose of the liquid chamber is to partially leak the excess solution filled in the sample chamber to improve the precise control of the test solution;

3. Compared with the traditional test tube, the purpose of the inner plate is that it does not need to be turned over, and the operation is more convenient. The elastic force of the elastic is used to seal the plugging plate and the side end surface of the graduation line, without manual blockage, which is convenient for use.

Description of the drawings

Figure 1 is a schematic diagram of the utility model structure;

Figure 2 is a cross-sectional view of the interior of the container shell of the present invention;

Figure 3 is a cross-sectional view of the sample loading warehouse of the utility model.

In the figure: 1. Container shell; 2. Mixing rod; 3. Connecting shaft; 4. Stirring fan blade; 5. Sample loading bin; 6. Scale line; 7. Rotary shaft; 8. Baffle; 9. Liquid outlet bin; 10. Connecting rod; 11. Rotating handle; 12. Blocking pile; 13. Liquid outlet nozzle; 14. Inner plate; 15. Sealing plate; 16. Spring.

detailed description

Please refer to Figures 1-3, this utility model provides a technical solution: a micro-reagent mixing and sampler, comprising a container shell 1, a sample loading chamber 5 and a liquid outlet nozzle 13, and a mixing rod is installed inside the container shell 1 2, and the side surface of the mixing rod 2 is fixed with a stirring fan 4, the sample chamber 5 is installed on the side surface of the container shell 1, and the side surface of the sample chamber 5 is provided with a rotating shaft 7, and the side surface of the rotating shaft 7 is fixed There is a baffle 8, the lower end surface of the sample chamber 5 is fixed with a liquid outlet chamber 9, and the inside of the liquid outlet chamber 9 is movably connected with a connecting rod 10, and the lower end surface of the connecting rod 10 is connected with a rotating handle 11 and a stirring fan 4 An inner plate 14 is provided below the inner plate 14. The outlet nozzle 13 is installed on the right side of the inner plate 14, and a plugging pile 12 penetrates through the outlet nozzle 13, and the outer surface of the container shell 1 is fixed with a spring 16 and the spring 16 A plugging plate 15 is fixed on the side end surface of the container, the mixing rod 2 penetrates the inside of the container shell 1, and a connecting shaft 3 is installed at the connection between the mixing rod 2 and the container shell 1. The outer structure of the container shell 1 is an inverted triangle structure, and its function The purpose of the mixing rod 2 is that the user can rotate the mixing rod 2 so that the mixing rod 2 drives the internal stirring fan 4 to rotate, thereby increasing the mixing speed of the solution inside the container shell 1 and making the viscosity higher The liquid is mixed more thoroughly. Compared with the traditional stirring rod, it is directly sealed inside the container shell 1 for stirring, and will not be infected by the environment such as external bacteria;

The sample compartment 5 is fixedly connected to the side surface of the container shell 1, and the sample compartment 5 is symmetrically distributed with respect to the vertical center line of the container shell 1. The inner wall of the sample compartment 5 is inlaid with scale lines 6, and its function is to set The sample chamber 5 and the side surface of the container shell 1 adopt an inclined design, which makes it easier for the solution to flow down from the inner wall of the container shell 1 and the inner wall of the sample chamber 5, avoiding experimental errors caused by the solution remaining inside, and the design is reasonable and easy to use , The rotating shaft 7 forms a rotating structure between the sample loading compartment 5 and the baffle 8, and the baffle 8 is attached to the inside of the sample loading compartment 5. The purpose of the rotating shaft 7 is to make the inside of the sample loading compartment 5 When filling the solution, the baffle 8 can rotate to the inside of the sample chamber 5, which is easy to operate and does not need to be manually closed. The torsion spring inside the rotating shaft 7 realizes the baffle 8 to automatically close the opening, reducing the number of operations and making it easy to use ；

A connecting structure is formed between the liquid outlet chamber 9 and the sample adding chamber 5, and the connecting rod 10 is movably connected to the inner surface of the liquid outlet chamber 9, the rotating handle 11 and the connecting rod 10 form a rotating structure, and the upper end surface of the connecting rod 10 It forms a sealed structure with the opening on the lower bottom surface of the sample chamber 5, and its function is to set the liquid outlet chamber 9 to partially leak the excess solution filled in the sample chamber 5 to improve the accuracy of the test solution. The lower end of the sample chamber 5 has small openings, which will not cause large leakage of the solution inside the sample chamber 5. The shape of the inner plate 14 is arc-shaped, and the lower end of the inner plate 14 is connected to the liquid outlet nozzle 13 Located in the same horizontal direction, the liquid outlet nozzle 13 adopts an inclined design, and the plugging pile 12 is movably connected with the outer surface of the container shell 1. The spring 16 forms an elastic structure between the plugging plate 15 and the outer surface of the container shell 1. And the plugging plate 15 and the liquid outlet hole of the scale line 6 constitute a sealed structure. The purpose of the inner plate 14 is to make the solution inside the container shell 1 pass through the arc-shaped inner plate 14 and all flow out of the liquid outlet nozzle 13 Compared with the traditional test tube, it does not need to be turned over, and the operation is more convenient. The elastic force of the elastic 16 is used to realize the sealing of the side end surface of the blocking plate 15 and the scale line 6, without manual blocking, which is convenient for use.

Working principle: For this kind of mixer, the device is mainly composed of container shell 1, sample loading chamber 5 and liquid outlet nozzle 13. When using the device, first place the device steadily, and then pass different reagents After the reagent tube is diluted, extend the port of the reagent tube into the baffle 8. The rotating structure between the baffle 8 and the rotating shaft 7 causes the baffle 8 to rotate to the inside of the sample loading chamber 5, and then extend the reagent tube into the loading chamber 5. Inside the sample compartment 5, and squeeze the reagent tube so that the solution inside enters the sample compartment 5, the solution on the right is poured into the inside of the sample compartment 5 on the right in the same way, and the sample is added through self-study observation The scale line 6 on the inner wall of the bin 5 controls the required volume;

If you make an excessive amount of solution in the sample chamber 5 by hand, you can hold the rotating handle 11 and slightly rotate the rotating handle 11 so that the connecting rod 10 fixedly connected to the rotating handle 11 is removed from the opening of the lower port of the sample chamber 5. Disengage a little bit, so that the solution inside the sample chamber 5 will enter and flow out of the liquid outlet chamber 9, and then rotate the handle 11 counterclockwise so that the connecting rod 10 closes the opening below the sample chamber 5, so that More accurate reagents can be obtained;

Then pull the blocking plate 15 to the right to compress the spring 16 so that the solution in the inclined design of the sample chamber 5 flows from the side hole on the lower end of the sample chamber 5 into the interior of 1, when the reagents on the left and right sides are mixed , While holding the mixing rod 2, the mixing blade 4 can be used to quickly mix the solution through the rotation between the mixing rod 2 and the connecting shaft 3. When the mixing is completed, the plugging pile 12 is held and pulled up to make the plugging pile 12 under The end surface is separated from the liquid outlet nozzle 13, and the mixed solution flows into the liquid outlet nozzle 13 through the arc-shaped inner plate 14 and then flows out of the device. This is the use process and working principle of the sample injector.

Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it will be understood that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention. , Replacements and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims

A micro-reagent mixing sampler, comprising a container shell (1), a sample adding bin (5) and a liquid outlet nozzle (13), characterized in that: a mixing rod (2) is installed inside the container shell (1) ), and the side surface of the mixing rod (2) is fixed with a stirring fan (4), the sample adding compartment (5) is installed on the side surface of the container shell (1), and the sample adding compartment (5) is The surface is provided with a rotating shaft (7), the side surface of the rotating shaft (7) is fixed with a baffle (8), the lower end surface of the sample loading chamber (5) is fixed with a liquid outlet (9), and the liquid outlet A connecting rod (10) is movably connected to the inside of (9), a rotating handle (11) is connected to the lower end surface of the connecting rod (10), and an inner plate (14) is provided under the stirring fan blade (4), The liquid outlet nozzle (13) is installed on the right side of the inner plate (14), and a plugging pile (12) penetrates through the liquid outlet nozzle (13), and the outer surface of the container shell (1) is fixed with A spring (16), and a blocking plate (15) is fixed on the side end surface of the spring (16).
The micro reagent mixing and sampler according to claim 1, characterized in that: the mixing rod (2) penetrates the inside of the container shell (1), and the mixing rod (2) and the container shell (1) A connecting shaft (3) is installed at the joint, and the outer structure of the container shell (1) is an inverted triangle structure.
The micro reagent mixing sampler according to claim 1, characterized in that: the sample adding bin (5) is fixedly connected to the side surface of the container shell (1), and the sample adding bin (5) is about The vertical center lines of the container shell (1) are symmetrically distributed, and the inner wall of the sample adding chamber (5) is inlaid with graduation lines (6).
The micro reagent mixing sampler according to claim 1, characterized in that: the rotating shaft (7) forms a rotating structure between the sample adding chamber (5) and the baffle (8), and the baffle (8) ) Fit the inside of the sample chamber (5).
The micro-reagent mixing sampler according to claim 1, characterized in that: a connecting structure is formed between the liquid outlet bin (9) and the sample adding bin (5), and the connecting rod (10) and the liquid outlet The inner surface of the chamber (9) is movably connected, the rotating handle (11) and the connecting rod (10) form a rotating structure, and the upper end surface of the connecting rod (10) and the lower bottom surface of the sample adding chamber (5) have holes Form a sealed structure.
The micro reagent mixing sampler according to claim 1, characterized in that: the inner plate (14) has an arc shape, and the lower end of the inner plate (14) and the liquid outlet nozzle (13) are located In the same horizontal direction, the liquid outlet nozzle (13) adopts an inclined design, and the plugging pile (12) is movably connected with the outer surface of the container shell (1), and the spring (16) passes through the plugging plate (15) An elastic structure is formed between the outer surface of the container shell (1), and the plugging plate (15) and the liquid outlet hole of the scale line (6) form a sealing structure.