Liquid preparation device for drug inspection

Abstract

The utility model relates to the technical field of medicine inspection, and discloses a medicine inspection liquid preparation device which comprises a device shell, a placing platform is fixedly installed at the bottom of the device shell, a partition plate is fixedly installed in the middle of the device shell, and a rotating disc is rotatably installed at the top of the partition plate; and a plurality of dosing cylinders are installed in the rotating disc, and air cylinders are fixedly installed at the tops of the dosing cylinders. According to the device disclosed by the utility model, a solution enters the liquid storage tank through the connecting pipe by virtue of upward lifting of the piston block, then the solution in the liquid storage tank is extruded into the second tank by virtue of downward displacement of the piston block, and finally falls into the beaker through the liquid preparation pipe, so that the liquid preparation operation is realized; the dosing cylinder is switched through the operation of the motor, so that the cross contamination between solutions is prevented, and the solution preparation precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of drug testing, more particularly, the utility model relates to a drug testing liquid preparation device. BACKGROUND

[0002] Drugs are substances used for preventing, diagnosing and treating diseases, and the quality and safety thereof are directly related to the health and life safety of the public, therefore, drug testing is of great importance, and drug testing refers to comprehensive evaluation of drug quality by using certain testing methods and technologies according to various indexes specified in drug quality standards, so as to prevent unqualified drugs from flowing into the market, reduce adverse drug reactions and drug-induced diseases, and thus guarantee the life safety and physical health of the public.

[0003] In the process of drug testing, in order to quickly prepare a solution meeting the testing requirements, thereby improving the accuracy and efficiency of testing, a liquid preparation device is usually used to prepare liquid, and the current liquid preparation device can extract multiple solutions and mix the solutions to obtain the required solvent.

[0004] However, the current liquid preparation device, for example, the application number: CN202323043765.7 "a drug testing liquid preparation device", although the device can conveniently stir the drug residues on the inner wall of the stirring tank, improve the mixing efficiency, however, when the material enters the stirring tank through the feeding port, the device cannot accurately control the input amount of the solution, and the measurement during drug testing is usually small, which can cause large error in the proportioning of the liquid medicine, therefore, the device needs to be improved and optimized. UTILITY MODEL CONTENT

[0005] In order to overcome the defects of the prior art, the utility model provides a drug testing liquid preparation device, which has the advantages of accurate liquid preparation.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a drug testing liquid preparation device, comprising a device shell, a placing platform is fixedly installed at the bottom of the device shell, a partition plate is fixedly installed at the middle of the device shell, a rotating disc is rotatably installed at the top of the partition plate;

[0007] The rotating disk contains multiple dosing cylinders. A cylinder is fixedly mounted on the top of each dosing cylinder. A liquid storage tank is formed inside each dosing cylinder, and a piston block is movably mounted inside the liquid storage tank. The output shaft of the cylinder is fixedly connected to the piston block. A connecting pipe is formed on the outer wall of the dosing cylinder, and the connecting pipe and the liquid storage tank can communicate with each other. A liquid outlet is formed at the bottom of the liquid storage tank. A second plug is movably mounted inside the liquid outlet, and a second groove is formed inside the second plug. The top of the second plug seals the liquid outlet. An extension pipe is fixedly mounted at the bottom of the second plug. The bottom of the extension pipe and the liquid outlet are elastically connected by a second spring. A dispensing hole is formed inside the partition, and the position of the dispensing hole corresponds to that of the extension pipe.

[0008] As a preferred embodiment of this utility model, a beaker is placed on the top of the placement platform, a flat vibration motor is fixedly installed inside the placement platform, and a buffer pad is fixedly installed on the inner wall of the placement platform, with the buffer pad located on top of the flat vibration motor.

[0009] As a preferred embodiment of this utility model, a first plug is movably installed inside the connecting pipe, and the first plug and the inner wall of the connecting pipe are elastically connected by a first spring, and a first groove is formed inside the first plug.

[0010] As a preferred embodiment of this utility model, a motor is fixedly installed inside the housing of the device, and a rotating shaft is fixedly installed on the top of the rotating disk, with the output shaft of the motor and the rotating shaft being fixedly connected.

[0011] As a preferred embodiment of this utility model, a liquid dispensing pipe is fixedly installed at the bottom of the partition, the liquid dispensing pipe and the liquid dispensing hole are interconnected, and the liquid dispensing pipe is located at the top of the beaker.

[0012] As a preferred embodiment of this utility model, the outer wall of the liquid storage tank is provided with a glass groove and the outer wall of the liquid storage tank is provided with a scale.

[0013] As a preferred embodiment of this utility model, the connecting pipe is responsible for connecting the liquid storage tank and the pharmaceutical raw materials, and the first plug seals one end of the connecting pipe.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. This utility model uses the upward lifting of the piston block to allow the solution to enter the interior of the storage tank through the connecting pipe. Then, the downward displacement of the piston block forces the solution inside the storage tank to be squeezed into the second tank, and finally, the solution falls into the beaker through the dispensing pipe to complete the dispensing operation. Compared with traditional devices, this device can achieve precise control of the solution quantity by controlling the displacement of the piston block, and the operation of the motor can switch the dosing cylinder to prevent cross-contamination between solutions, thus improving the accuracy of dispensing.

[0016] 2. This utility model uses a flat vibration motor to make the beaker on the top of the platform vibrate slightly. The buffer pad prevents the solution from spilling due to excessive vibration. Since the amount of medicine being tested is usually small, this device is more compact and lightweight than traditional stirring and mixing methods. It mixes the solutions by vibration, resulting in good mixing effect and reducing the burden of testing. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the rotating shaft structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the dosing cartridge structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the second plug structure of this utility model;

[0022] Figure 5 This is a schematic diagram of the connecting pipe structure of this utility model;

[0023] Figure 6 This is a schematic diagram of the flat vibration motor structure of this utility model.

[0024] In the diagram: 1. Device casing; 2. Placement platform; 3. Partition; 4. Rotating disk; 5. Dosing cartridge; 6. Storage tank; 7. Cylinder; 8. Piston block; 9. Connecting pipe; 10. First plug; 11. First groove; 12. First spring; 13. Discharge groove; 14. Second groove; 15. Extension pipe; 16. Second spring; 17. Second plug; 18. Dispensing hole; 19. Dispensing pipe; 20. Beaker; 21. Motor; 22. Rotating shaft; 23. Flat vibration motor; 24. Buffer pad; 25. Glass tank; 26. Scale. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this utility model are described clearly and completely below. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are also within the scope of protection of this utility model.

[0026] like Figures 1 to 6 As shown, the drug testing and preparation device provided by this utility model includes a device shell 1, a placement platform 2 fixedly installed at the bottom of the device shell 1, a partition 3 fixedly installed in the middle of the device shell 1, and a rotating disk 4 rotatably installed on the top of the partition 3.

[0027] Multiple dosing cylinders 5 are installed inside the rotating disk 4. A cylinder 7 is fixedly installed on the top of the dosing cylinder 5. A liquid storage tank 6 is opened inside the dosing cylinder 5. A piston block 8 is movably installed inside the liquid storage tank 6. The output shaft of the cylinder 7 and the piston block 8 are fixedly connected. A connecting pipe 9 is opened on the outer wall of the dosing cylinder 5. The connecting pipe 9 and the liquid storage tank 6 can communicate with each other. A liquid outlet tank 13 is opened at the bottom of the liquid storage tank 6. A second plug 17 is movably installed inside the liquid outlet tank 13. A second groove 14 is opened inside the second plug 17. The top of the second plug 17 seals the liquid outlet tank 13. An extension pipe 15 is fixedly installed at the bottom of the second plug 17. The bottom of the extension pipe 15 and the liquid outlet tank 13 are elastically connected by a second spring 16. A liquid dispensing hole 18 is opened inside the partition 3. The liquid dispensing hole 18 and the extension pipe 15 are positioned correspondingly.

[0028] When testing a drug, the staff first prepares the solution. First, the drug to be tested and the solution required for preparation are securely connected to the outer wall of the connecting pipe 9 via an external rubber tube. Then, the receiving container is placed on top of the placement platform 2. Next, the cylinder 7 at the top of the foremost dosing cylinder 5 is activated, causing the piston block 8 to move upwards. This upward movement of the piston block 8 connects the connecting pipe 9 to the storage tank 6, allowing the solution to enter the storage tank 6 through the connecting pipe 9. The staff observes the amount of solution inside the storage tank 6. Once the solution reaches the appropriate concentration, the staff stops the cylinder 7 and re-seals the connection between the connecting pipe 9 and the storage tank 6. Then, the staff activates the cylinder 7 again, causing the piston block 8 to move downwards. Because the connection between the connecting pipe 9 and the storage tank 6 is sealed, the piston block 8 compresses the pipe. The solution will push down the second plug 17, and the solution will then pass through the outlet trough 13 and the second trough 14, and finally be injected into the receiving container through the dispensing hole 18. When the second plug 17 moves downward, if the extension tube 15 is not aligned with the dispensing hole 18, the baffle 3 will stop the movement of the extension tube 15 to prevent the solution from flowing out. After a single solution preparation is completed, the second spring 16 will drive the extension tube 15 and the second plug 17 to reset. Then, the operator will remove the rubber tube from the connecting tube 9, control the rotating disk 4 to rotate, and switch the dosing cylinder 5. The purpose of this operation is to prevent the new solution from mixing with the solution remaining in the storage tank 6 beforehand, which would cause cross-contamination. After multiple solution preparations are completed, the inside of the receiving container will contain the required mixed solution. Then, the operator will mix the solution inside the receiving container evenly. At this point, the solution preparation is complete.

[0029] The upward lifting of piston block 8 allows the solution to enter the storage tank 6 through connecting pipe 9. The downward displacement of piston block 8 forces the solution in the storage tank 6 to be squeezed into the second tank 14, and finally falls into the receiving container to complete the solution preparation. Compared with traditional devices, this device can achieve precise control of the solution quantity by controlling the displacement of piston block 8, and can switch the dosing cylinder 5 by rotating the rotating disk 4 to prevent cross-contamination between solutions, thus improving the accuracy of solution preparation.

[0030] The beaker 20 is placed on top of the placement platform 2, a flat vibration motor 23 is fixedly installed inside the placement platform 2, and a buffer pad 24 is fixedly installed on the inner wall of the placement platform 2, with the buffer pad 24 located on top of the flat vibration motor 23.

[0031] The aforementioned liquid receiving container can be a beaker 20. After multiple liquid preparations are completed, the beaker 20 contains the required mixed solution. Then, the operator starts the flat vibration motor 23. The operation of the flat vibration motor 23 causes the beaker 20 on the top of the platform 2 to vibrate slightly. The buffer pad 24 prevents the beaker 20 from vibrating too much and causing the solution to spill. After vibrating for a certain period of time, the solution inside the beaker 20 is mixed evenly, and the liquid preparation is completed.

[0032] The flat vibration motor 23 causes the beaker 20 on top of the platform 2 to vibrate slightly. The buffer pad 24 prevents the solution from spilling due to excessive vibration of the beaker 20. Since the amount of medicine being tested is usually small, this device is more compact and lightweight than traditional stirring and mixing methods. It mixes the solutions by vibration, resulting in good mixing effect and reducing the burden of testing.

[0033] The connecting pipe 9 has a first plug 10 installed inside it. The first plug 10 and the inner wall of the connecting pipe 9 are elastically connected by a first spring 12. The first plug 10 has a first groove 11 inside it. The connecting pipe 9 is responsible for connecting the liquid storage tank 6 and the pharmaceutical raw materials, and the first plug 10 seals one end of the connecting pipe 9.

[0034] The upward movement of piston block 8 will release the force exerted by piston block 8 on first plug 10, thereby driving first plug 10 to move toward liquid storage tank 6. First plug 10 releases the sealing effect on connecting pipe 9. At this time, solution will enter the interior of liquid storage tank 6 through connecting pipe 9 and the interior of first tank 11. After piston block 8 stops moving, the elastic potential energy of first spring 12 will cause first plug 10 to reset and seal connecting pipe 9 again.

[0035] The device housing 1 has a motor 21 fixedly installed inside, and a rotating shaft 22 fixedly installed on the top of the rotating disk 4. The output shaft of the motor 21 and the rotating shaft 22 are fixedly connected.

[0036] The rotating shaft 22 is driven by motor 21 to rotate, and the rotating disk 4 rotates further to switch the dosing cylinder 5. The purpose of this operation is to prevent the new solution from mixing with the solution remaining in the storage tank 6 beforehand, which would lead to cross-contamination.

[0037] The bottom of the partition 3 is fixedly equipped with a liquid dispensing pipe 19, which is connected to the liquid dispensing hole 18. The liquid dispensing pipe 19 is located at the top of the beaker 20.

[0038] By setting the liquid dispensing hole 18, when the extension tube 15 is not aligned with the liquid dispensing hole 18, the baffle 3 will stop the movement of the extension tube 15, thereby preventing the solution from flowing out.

[0039] The outer wall of the liquid storage tank 6 is provided with a glass groove 25 and a scale 26.

[0040] The volume of solution inside the storage tank 6 can be precisely controlled by the glass tank 25 and the scale 26.

[0041] Working principle and usage process of this utility model:

[0042] When testing a drug, the staff first prepares the solution. First, the drug to be tested and the solution required for preparation are securely connected to the outer wall of the connecting pipe 9 via an external rubber tube. Then, the beaker 20 is placed on top of the platform 2, ensuring that the beaker 20 and the preparation pipe 19 are aligned. Next, the cylinder 7 at the top of the foremost dosing cartridge 5 is activated, causing the piston block 8 to move upwards. This upward movement of the piston block 8 displaces the first plug 10, allowing the solution to flow through the connecting pipe 9 and the interior of the first groove 11 into the storage tank 6. The staff observes the amount of solution inside the storage tank 6 through the glass tank 25. Once the solution reaches the appropriate concentration, the staff stops the cylinder 7. At this point, the elastic potential energy of the first spring 12 causes the first plug 10 to reset, resealing the connecting pipe 9. Then, the operator starts cylinder 7 to move piston block 8 downward. Since connecting pipe 9 is blocked by first plug 10, the solution squeezed by piston block 8 will push down second plug 17. Further solution passes through outlet trough 13 and second trough 14, and finally through dispensing hole 18 and dispensing pipe 19 to beaker 20. When second plug 17 moves downward, if extension pipe 15 is not aligned with dispensing hole 18, baffle 3 will stop the movement of extension pipe 15, thereby preventing solution from flowing out.

[0043] After a single solution preparation is completed, the second spring 16 drives the extension tube 15 and the second plug 17 to reset. Then, the operator removes the rubber tube from the connecting tube 9 and drives the rotating shaft 22 to rotate via the motor 21. This further rotates the rotating disk 4, switching the dosing cylinder 5. This operation is to prevent cross-contamination caused by the pre-mixing of the new solution and the residual solution inside the storage tank 6. After multiple solution preparations are completed, the beaker 20 contains the required mixed solution. The operator then starts the flat vibration motor 23. The operation of the flat vibration motor 23 causes the beaker 20 on top of the platform 2 to vibrate slightly. The buffer pad 24 prevents the beaker 20 from vibrating too much and spilling the solution. After a certain period of vibration, the solution inside the beaker 20 is evenly mixed, and the solution preparation is complete.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A pharmaceutical testing solution preparation device, comprising a device housing (1), characterized in that: A placement platform (2) is fixedly installed at the bottom of the device housing (1), a partition (3) is fixedly installed in the middle of the device housing (1), and a rotating disk (4) is rotatably installed on the top of the partition (3). The rotating disk (4) is equipped with a dosing cylinder (5). A cylinder (7) is fixedly installed on the top of the dosing cylinder (5). A liquid storage tank (6) is opened inside the dosing cylinder (5). A piston block (8) is movably installed inside the liquid storage tank (6). The output shaft of the cylinder (7) and the piston block (8) are fixedly connected. A connecting pipe (9) is opened on the outer wall of the dosing cylinder (5). The connecting pipe (9) and the liquid storage tank (6) can communicate with each other. A liquid outlet tank (13) is opened at the bottom of the liquid storage tank (6). A second plug (17) is movably installed inside the tank (13). A second groove (14) is opened inside the second plug (17). The top of the second plug (17) seals the liquid outlet tank (13). An extension tube (15) is fixedly installed at the bottom of the second plug (17). The bottom of the extension tube (15) and the liquid outlet tank (13) are elastically connected by a second spring (16). A liquid dispensing hole (18) is opened inside the partition (3). The liquid dispensing hole (18) and the extension tube (15) are positioned correspondingly.

2. The drug testing solution preparation device according to claim 1, characterized in that: The first plug (10) is movably installed inside the connecting pipe (9). The first plug (10) and the inner wall of the connecting pipe (9) are elastically connected by a first spring (12). The first plug (10) has a first groove (11) inside.

3. The drug testing solution preparation device according to claim 1, characterized in that: A motor (21) is fixedly installed inside the outer casing (1) of the device. A rotating shaft (22) is fixedly installed on the top of the rotating disk (4). The output shaft of the motor (21) and the rotating shaft (22) are fixedly connected.

4. The drug testing solution preparation device according to claim 1, characterized in that: A liquid dispensing pipe (19) is fixedly installed at the bottom of the partition (3). The liquid dispensing pipe (19) and the liquid dispensing hole (18) are interconnected. The liquid dispensing pipe (19) is located at the top of the beaker (20).

5. The pharmaceutical testing solution preparation apparatus according to any one of claims 1-4, characterized in that: The outer wall of the liquid storage tank (6) is provided with a glass groove (25) and a scale (26) is provided on the outer wall of the liquid storage tank (6).

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