Water quality sample fixative dropping device

By designing a water quality sample fixative dripping device with a rotating structure and magnetic connection, the problems of cross-contamination and spillage caused by improper placement of the fixative box were solved, realizing dedicated dripping and reducing costs and safety risks.

CN224308427UActive Publication Date: 2026-06-02HUAIAN HUASHI TESTING TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUAIAN HUASHI TESTING TECH CO LTD
Filing Date
2025-05-23
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

In existing technologies, the fixative box contains a large amount of fixative, making it difficult to fix the burette and easily causing cross-contamination; if the fixative bottle cap is not tightly closed, it can easily spill out and cause burns; and since each batch of samples is of many types, frequent replacement of burettes is wasteful.

Method used

A water sample fixative dripping device is designed, which adopts a rotating structure and magnetic connection to achieve dedicated tubes, reduce the need for burette replacement, avoid cross-contamination and spillage, and protect operators.

Benefits of technology

This reduces the frequency of burette use, minimizes the risk of cross-contamination and spillage, lowers costs, and protects operator safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to water quality detection technical field, concretely is a kind of water quality sample fixing agent dropping device, it includes: box, the top surface of the box swing installation has flip cover;The inside of the box is installed with rotating structure, and the rotating structure includes rotating column, and the rotating column is swing-mounted in the inside of box by bearing, and the middle part of the rotating column is fixedly connected with lower turntable, and the outer wall on the lower turntable is fixedly installed with movable magnetic block, and the outside of the lower turntable is swing-mounted with mounting plate by bearing, and the inner wall on the mounting plate is fixedly installed with fixed magnetic block, and the surface of the lower turntable is fixedly installed with bottle seat, and the upper end of the lower turntable is fixedly connected with upper turntable.The utility model drops device special tube special, reduce the use amount of frequent replacement buret due to adding different fixing agent, reduce cost, and eliminate cross contamination, routine operation is not easy to spill, overflow, protect on-site sampling engineer, prevent the harm of acid and alkali.
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Description

Technical Field

[0001] This utility model relates to the field of water quality testing technology, specifically to a water sample fixative dripping device. Background Technology

[0002] Water quality analysis involves many items, and the main function of fixatives is to stabilize the various components in a water sample through chemical reactions or physical processes, preventing changes in the water sample composition due to changes in environmental conditions (such as temperature, light, and microbial activity) during storage and transportation. This ensures that when the water sample is sent to the laboratory for analysis, the results more accurately reflect the original state of the water body.

[0003] However, based on the current storage and usage process of fixatives, it has been found that:

[0004] 1. The fixative box contains a large amount of fixative, and the burette is not easy to fix in place, which can easily cause cross-contamination;

[0005] 2. If the fixative bottle cap is not tightly closed, the fixative may spill out due to shaking, causing burns to personnel during handling;

[0006] 3. The variety of samples in each batch, and the need to switch between different types of fixatives, results in frequent waste of burette replacement.

[0007] Therefore, in order to solve the above problems, a water quality sample fixative dripping device is proposed. Utility Model Content

[0008] The purpose of this invention is to provide a water sample fixative dripping device to solve the problems mentioned in the background art, such as the fixative box containing a large amount of fixative, the burette being difficult to fix and prone to cross-contamination, the fixative bottle cap not being tightly closed causing the fixative to shake and spill, causing burns to personnel during operation, and the waste of frequently changing burettes due to the large variety of samples in each batch and the need to switch between different types of fixatives.

[0009] To achieve the above objectives, this utility model provides the following technical solution: a water quality sample fixative dripping device, comprising: a box body, wherein a flip cover is movably installed on the top surface of the box body;

[0010] The housing has a rotating structure inside, which includes a rotating column. The rotating column is movably mounted inside the housing via bearings. A lower turntable is fixedly connected to the middle of the rotating column. A movable magnetic block is fixedly mounted on the outer wall of the lower turntable. An mounting plate is movably mounted on the outer side of the lower turntable via bearings. A fixed magnetic block is fixedly mounted on the inner wall of the mounting plate. A bottle holder is fixedly mounted on the surface of the lower turntable. An upper turntable is fixedly connected to the upper end of the lower turntable. A ring handle is fixedly mounted on the outer wall of the upper turntable. A liquid tank is fixedly mounted on the top surface of the upper turntable. A hose is fixedly connected to the bottom end of the liquid tank. A valve is installed at the bottom end of the hose.

[0011] Preferably, the movable magnetic blocks are provided in three sets, and the three sets of movable magnetic blocks are respectively located on the front side and the left and right sides of the lower turntable.

[0012] Preferably, the fixed magnetic block is located on the front side of the inner wall of the mounting plate, and the fixed magnetic block is magnetically connected to the movable magnetic block on the front side of the lower turntable.

[0013] Preferably, the mounting plate is fixedly installed inside the housing.

[0014] Preferably, the liquid tank, hose, valve and bottle holder are provided in three sets, the three sets of liquid tanks contain different fixatives, and the three sets of liquid tanks, hoses, valves and bottle holders are installed vertically in correspondence.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the dripping device of this utility model is dedicated to a single purpose, which reduces the amount of burette used due to the frequent replacement of different fixatives, reduces costs, and eliminates cross-contamination. It is also less prone to spillage and overflow during daily operation, protecting on-site sampling engineers from acid and alkali damage.

[0016] This invention features a rotating structure. The sample bottle is placed in the bottle holder below the corresponding liquid container. The hose is then held so that its bottom end is inside the sample bottle. The valve is then opened, allowing the corresponding fixative to be added to the bottle holder. When different fixatives need to be added, pulling the ring handle rotates the upper turntable, which in turn rotates the lower turntable inside the mounting plate. This allows the corresponding liquid container, hose, valve, and bottle holder to move together, reducing the need for frequent burette changes for different fixatives, lowering costs, and preventing cross-contamination. It also minimizes spillage and overflow during daily operation, protecting on-site sampling engineers from acid and alkali damage. The rotation of the lower turntable causes the movable magnetic block to move in a circular motion. The fixed magnetic block can magnetically attract the movable magnetic block, fixing the angles of the lower turntable, rotating column, and upper turntable. This prevents the device from rotating on its own and guides the user to ensure the corresponding liquid container is positioned directly in front. Attached Figure Description

[0017] Figure 1 This is a front view schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a side view sectional view of the box body of this utility model, viewed from below.

[0019] Figure 3 This is a top sectional view of the structure of the lower turntable and mounting plate of this utility model;

[0020] Figure 4 This is a bottom view of the structure of the upper turntable of this utility model.

[0021] In the diagram: 1. Box body; 11. Flip-top; 2. Rotating structure; 21. Rotating column; 22. Lower turntable; 23. Movable magnetic block; 24. Mounting plate; 25. Fixed magnetic block; 26. Bottle holder; 27. Upper turntable; 28. Ring handle; 29. ​​Liquid tank; 210. Hose; 211. Valve. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-4 An embodiment of a water quality sample fixative dripping device provided by this utility model:

[0024] The housing 1, the flip cover 11, and the valve 211 used in this application are products that can be purchased directly from the market. Their principles and connection methods are existing technologies well known to those skilled in the art, so they will not be described in detail here.

[0025] A water quality sample fixative dripping device includes: a box 1, and a flip cover 11 is movably installed on the top surface of the box 1;

[0026] The interior of the housing 1 is equipped with a rotating structure 2, which includes a rotating column 21. The rotating column 21 is movably mounted on the inner side of the housing 1 via bearings. A lower turntable 22 is fixedly connected to the middle of the rotating column 21. A movable magnetic block 23 is fixedly mounted on the outer wall of the lower turntable 22. An installation plate 24 is movably mounted on the outer side of the lower turntable 22 via bearings. A fixing magnetic block 25 is fixedly mounted on the inner wall of the installation plate 24. A bottle holder 26 is fixedly mounted on the surface of the lower turntable 22. An upper turntable 27 is fixedly connected to the upper end of the lower turntable 22. A ring handle 28 is fixedly mounted on the outer wall of the upper turntable 27. A liquid tank 29 is fixedly mounted on the top surface of the upper turntable 27. A hose 210 is fixedly connected to the bottom end of the liquid tank 29. A valve 211 is installed at the bottom end of the hose 210. This dedicated hose reduces the amount of burette used due to the frequent replacement of different fixatives, lowers costs, and prevents cross-contamination. It also prevents spillage and overflow during daily operation, protecting on-site sampling engineers from acid and alkali damage.

[0027] Furthermore, three sets of movable magnetic blocks 23 are provided. The three sets of movable magnetic blocks 23 are located on the front and left and right sides of the lower turntable 22, respectively. The three sets of movable magnetic blocks 23, together with the fixed magnetic blocks 25, can fix the lower turntable 22 when adding different fixatives, to prevent the fixative from spilling or overflowing, and to protect the on-site sampling engineers from acid and alkali damage.

[0028] Furthermore, the fixed magnetic block 25 is located on the front side of the inner wall of the mounting plate 24. The fixed magnetic block 25 is magnetically connected to the movable magnetic block 23 on the front side of the lower turntable 22. The fixed magnetic block 25, together with the movable magnetic block 23, can fix the mounting plate 24 and the lower turntable 22, providing guidance for the user to determine that the corresponding liquid tank 29 is located on the front side.

[0029] Furthermore, the mounting plate 24 is fixedly installed inside the housing 1, and the mounting plate 24 provides support for the installation of the rotating column 21 and the lower turntable 22.

[0030] Furthermore, three sets of liquid tanks 29, hoses 210, valves 211, and bottle holders 26 are provided. The fixatives inside the three sets of liquid tanks 29 are different. The three sets of liquid tanks 29, hoses 210, valves 211, and bottle holders 26 are installed vertically in correspondence. The fixative in the liquid tank 29 can be added to the sample bottle in the corresponding bottle holder 26 through the corresponding hose 210 and valve 211. This dedicated system reduces the amount of burettes used due to the frequent replacement of different fixatives, lowers costs, and prevents cross-contamination.

[0031] Working principle: When carried, the rotating structure 2 can be transferred through the case 1 and the flip cover 11;

[0032] When using, place the sample vial in the bottle holder 26 below the corresponding liquid tank 29, then hold the hose 210 so that the bottom end of the hose 210 is inside the sample vial, and then open the valve 211 to add the corresponding fixative in the liquid tank 29 into the bottle holder 26 below.

[0033] When different fixatives need to be added, pull the ring handle 28, which drives the rotating column 21 to rotate via the upper turntable 27. The rotating column 21 then drives the lower turntable 22 to rotate inside the mounting plate 24, allowing the corresponding liquid tank 29, hose 210, valve 211, and bottle holder 26 to move together. This dedicated system reduces the amount of burettes used due to frequent changes when adding different fixatives, lowers costs, and prevents cross-contamination. It also prevents spills and overflows during daily operation, protecting on-site sampling engineers from acid and alkali damage. When the lower turntable 22 rotates, it drives the movable magnetic block 23 to move in a circular motion. The fixed magnetic block 25 can be magnetically attracted to the movable magnetic block 23 to fix the angle of the lower turntable 22, rotating column 21, and upper turntable 27, preventing the device from rotating on its own and providing guidance for the user to determine that the corresponding liquid tank 29 is located directly in front.

[0034] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or equivalent variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are considered equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A device for adding a fixative to a water sample, comprising: Box (1), the top surface of which is movably fitted with a flip cover (11); Its features are: The housing (1) is equipped with a rotating structure (2). The rotating structure (2) includes a rotating column (21). The rotating column (21) is movably mounted on the inner side of the housing (1) via a bearing. A lower turntable (22) is fixedly connected to the middle of the rotating column (21). A movable magnetic block (23) is fixedly installed on the outer wall of the lower turntable (22). An installation plate (24) is movably mounted on the outer side of the lower turntable (22) via a bearing. A fixed magnetic block (25) is fixedly installed on the inner wall of the installation plate (24). A bottle holder (26) is fixedly installed on the surface of the lower turntable (22). An upper turntable (27) is fixedly connected to the upper end of the lower turntable (22). A ring handle (28) is fixedly installed on the outer wall of the upper turntable (27). A liquid tank (29) is fixedly installed on the top surface of the upper turntable (27). A hose (210) is fixedly connected to the bottom end of the liquid tank (29). A valve (211) is installed at the bottom end of the hose (210).

2. The water sample fixative dripping device according to claim 1, characterized in that: The movable magnetic block (23) is provided in three sets, and the three sets of movable magnetic blocks (23) are located on the front side and the left and right sides of the lower turntable (22), respectively.

3. The water sample fixative dripping device according to claim 2, characterized in that: The fixed magnetic block (25) is located on the front side of the inner wall of the mounting plate (24), and the fixed magnetic block (25) is magnetically connected to the movable magnetic block (23) on the front side of the lower turntable (22).

4. The water sample fixative dripping device according to claim 1, characterized in that: The mounting plate (24) is fixedly installed inside the housing (1).

5. The water sample fixative dripping device according to claim 1, characterized in that: The liquid tank (29), hose (210), valve (211) and bottle holder (26) are respectively provided in three sets. The three sets of liquid tanks (29) contain different fixatives. The three sets of liquid tanks (29), hose (210), valve (211) and bottle holder (26) are installed vertically in correspondence.