Quantitative liquid transferring and taking device

Abstract

The utility model relates to the technical field of liquid taking, in particular to a liquid quantitative moving and taking device which comprises a liquid storage bottle, a T-shaped tee joint and a piston quantitative container, the liquid storage bottle is sequentially connected with a teflon bent connector control valve, the T-shaped tee joint, a backflow bottle and a reaction ball through a hose, and the T-shaped tee joint is connected with the piston quantitative container. The liquid metering device has the advantages that when flowing along the hose, liquid can gradually enter the piston quantitative containers, after the first piston quantitative container is filled with the liquid, the liquid can sequentially flow into all the other piston quantitative containers which are arranged side by side, after all the graduators are filled with the liquid, the bent control valve is closed, and the liquid can flow into the second piston quantitative container. And the solution in the hose flows into the reflux bottle, so that the condition of non-uniform moving and taking can be ensured not to be generated when the piston quantitative container is used for repeated experiments, and errors are reduced.

Description

Technical Field

[0001] This utility model relates to the field of liquid handling technology, specifically a liquid quantitative transfer device. Background Technology

[0002] In social life and industrial production, devices for transferring and handling liquids are frequently used. These devices can greatly reduce the workload of workers, improve work efficiency, and ensure safe production.

[0003] Currently, in laboratories, reagents are mostly added manually in measured quantities. However, if multiple additions are required, manual addition introduces errors, as each addition involves a slight deviation during the transfer process, making it impossible to guarantee consistent conditions and leading to inaccurate results. Therefore, this invention proposes a liquid quantitative transfer device to solve these problems. Utility Model Content

[0004] The purpose of this invention is to provide a liquid quantitative transfer device to solve the problem of errors in manual transfer mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a liquid quantitative transfer device, comprising: a storage bottle, a T-shaped tee and a piston quantitative container, wherein the storage bottle is sequentially connected to a PTFE bent-type interface control valve, a T-shaped tee, a reflux bottle and a reaction ball via a flexible hose, and the T-shaped tee is connected to the piston quantitative container.

[0006] Preferably, a flexible tube extends through the upper end of the liquid storage bottle, and a water pump is detachably installed at one end of the flexible tube. The water pump is located inside the liquid storage bottle, and the flexible tube is fixedly connected to the output end of the water pump. A PTFE bent-type interface control valve is fixedly connected to the other end of the flexible tube.

[0007] Preferably, the output end of the PTFE elbow-type interface control valve is detachably equipped with a T-type tee. The lower port of the T-type tee has a threaded groove. The T-type tee is threadedly connected to a threaded interface through the threaded groove. The surface of the threaded interface is in contact with a sealing gasket. Several T-type tees are sequentially connected to the other side of the T-type tee.

[0008] Preferably, the upper end of the piston metering container is fixedly connected to a sealing gasket and a threaded interface, and the lower end of the piston metering container is slidably connected to a sliding plug.

[0009] Preferably, the lower end of each T-shaped tee is connected to a piston metering container, and one end of the last T-shaped tee is fixedly connected to another flexible tube. The surface of the flexible tube is sequentially connected to a reflux bottle, a reflux tube, and a reaction ball, and the surface of the reaction ball is provided with a vent hole.

[0010] Preferably, the end of the reflux tube furthest from the reaction ball is connected through a tube at the top of the storage bottle, and a reflux control valve is fixedly connected at the midpoint of the reflux tube.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: when the liquid flows along the tubing, it gradually enters the piston metering container. After the first piston metering container is filled with solution, it will flow into all other piston metering containers in parallel. When all the scales are filled with solution, the curved control valve is closed, allowing the solution in the tubing to flow into the return bottle. This ensures that there is no inconsistency in the transfer when repeating experiments using piston metering containers, thus reducing errors. Attached Figure Description

[0012] Figure 1 This is a front view of the overall structure of this utility model;

[0013] Figure 2 This is a schematic diagram of the interior of the liquid storage bottle of this utility model;

[0014] Figure 3 This is a bottom-view schematic diagram of the T-shaped tee of this utility model;

[0015] Figure 4 This is a top view of the piston metering container of this utility model.

[0016] In the diagram: 1. Storage bottle; 2. Hose; 3. PTFE elbow control valve; 4. T-shaped tee; 5. Threaded groove; 6. Piston metering container; 7. Threaded interface; 8. Sealing gasket; 9. Water pump; 10. Sliding stopper; 11. Reflux bottle; 12. Reaction ball; 13. Vent; 14. Reflux control valve; 15. Reflux pipe. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0018] Please see Figures 1 to 4This utility model provides a technical solution: a liquid quantitative transfer device, including: a storage bottle 1, a T-shaped three-way valve 4, and a piston quantitative container 6. The storage bottle 1 can store solutions required for experiments, etc. A flexible tube 2 passes through the upper end of the storage bottle 1. A water pump 9 is detachably installed at one end of the flexible tube 2. When operation is required, the water pump 9 can quickly and effectively pump out the solution in the storage bottle 1 for easy access. The water pump 9 is located inside the storage bottle 1. The flexible tube 2 is fixedly connected to the output end of the water pump 9. The solution pumped out by the water pump 9 is transported through the flexible tube 2. The other end of the flexible tube 2 is fixedly connected to a PTFE bend-type interface control valve 3, which facilitates the control of the sealing of the flexible tube 2.

[0019] The output end of the PTFE bend-type interface control valve 3 is detachably equipped with a T-type tee 4. The T-type tee 4 has three interfaces. The lower port of the T-type tee 4 has a threaded groove 5. The threaded groove 5 matches the threaded interface 7. The T-type tee 4 is threadedly connected to the threaded interface 7 through the threaded groove 5 to facilitate the installation of the piston metering container 6. The surface of the threaded interface 7 is in contact with a sealing gasket 8. The sealing gasket 8 can seal the upper end of the piston metering container 6 after installation to prevent the solution from leaking from the connection. Several T-type tees 4 are connected in sequence on the other side of the T-type tee 4. However, after the water pump 9 is started, the solution passes through the hose 2, the PTFE bend-type interface control valve 3 and several T-type tees (4) in sequence.

[0020] The upper end of the piston metering container 6 is fixedly connected to the sealing gasket 8 and the threaded interface 7. The threaded interface 7 facilitates the disassembly of the piston metering container 6, thereby improving work efficiency. The lower end of the piston metering container 6 is slidably connected to a sliding plug 10, which can seal the lower end of the piston metering container 6 to prevent the internal solution from flowing out. When it is necessary to remove the internal solution, sliding the sliding plug 10 can release the seal on the lower end of the piston metering container 6. The lower ends of several T-shaped tees 4 are all connected to piston metering containers 6 to facilitate multiple uses. One end of the last T-shaped tee 4 is fixedly connected to another flexible hose 2. The surface of the flexible hose 2... The container is connected in sequence with a reflux bottle 11, a reflux pipe 15, and a reaction ball 12. During operation, the gas in the storage bottle 1 will evaporate to a certain extent. By filling the reaction ball 12 with a substance that can react with it, the evaporated gas can be absorbed, thereby avoiding its harm to the environment and personnel. The surface of the reaction ball 12 is provided with a vent hole 13 to balance the overall internal gas pressure. The end of the reflux pipe 15 away from the reaction ball 12 is connected to the surface of the flexible hose 2 at the upper end of the storage bottle 1. A reflux control valve 14 is fixedly connected at the midpoint of the reflux pipe 15, which facilitates the recovery of the remaining solution inside.

[0021] When this device is in operation, after the storage bottle 1 is filled with liquid, all the piston metering containers 6 are sequentially installed at the lower end of the corresponding T-shaped tees 4. Then, the reflux control valve 14 is closed and the PTFE elbow-type interface control valve 3 and water pump 9 are opened. At this time, the liquid in the storage bottle 1 will begin to flow into the piston metering containers 6 sequentially from near to far along the hose 2. When the first piston metering container 6 is full of solution, the liquid will begin to enter the second piston metering container 6 and so on. When all the piston metering containers 6 are full of solution, the water pump 9 and PTFE elbow-type interface control valve 3 are closed and the reflux control valve 14 is opened. At this time, the excess solution in the hose 2 will enter the reflux bottle 11 or the storage bottle 1. Subsequently, when using the piston metering containers 6, it can be ensured that the amount taken each time is consistent, thus avoiding the errors that will occur when manually moving them, and increasing the accuracy of the operation.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A liquid quantitative transfer device, characterized in that: The liquid metering device includes: a storage bottle (1), a T-type three-way valve (4) and a piston metering container (6). The storage bottle (1) is connected in sequence to a PTFE bend-type interface control valve (3), a T-type three-way valve (4), a reflux bottle (11) and a reaction ball (12) via a hose (2). The T-type three-way valve (4) is connected to the piston metering container (6).

2. The liquid quantitative transfer device according to claim 1, characterized in that: The upper end of the storage bottle (1) is connected to a flexible tube (2). A water pump (9) is detachably installed at one end of the flexible tube (2). The water pump (9) is located inside the storage bottle (1). The flexible tube (2) is fixedly connected to the output end of the water pump (9). The other end of the flexible tube (2) is fixedly connected to a PTFE bend-type interface control valve (3).

3. The liquid quantitative transfer device according to claim 1, characterized in that: The lower ends of several T-shaped tees (4) are connected to piston metering containers (6), and one end of the last T-shaped tee (4) is fixedly connected to another hose (2). The surface of the hose (2) is connected in sequence to a reflux bottle (11), a reflux tube (15) and a reaction ball (12). A vent hole (13) is opened on the surface of the reaction ball (12).

4. The liquid quantitative transfer device according to claim 1, characterized in that: The output end of the PTFE elbow-type interface control valve (3) is detachably equipped with a T-type tee (4). The port on the lower side of the T-type tee (4) is provided with a threaded groove (5). The T-type tee (4) is threadedly connected to a threaded interface (7) through the threaded groove (5). A sealing gasket (8) is in contact with the surface of the threaded interface (7). Several T-type tees (4) are sequentially connected to the other side of the T-type tee (4).

5. The liquid quantitative transfer device according to claim 1, characterized in that: The upper end of the piston metering container (6) is fixedly connected to the sealing gasket (8) and the threaded interface (7), and the lower end of the piston metering container (6) is slidably connected to the sliding plug (10).

6. A liquid quantitative transfer device according to claim 3, characterized in that: The end of the reflux tube (15) away from the reaction ball (12) is connected to the surface of the hose (2) at the upper end of the storage bottle (1), and a reflux control valve (14) is fixedly connected at the midpoint of the reflux tube (15).

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