Quantitative diluting and blending device

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By designing a quantitative dilution and mixing device including a machine seat, a one-way valve, a liquid inlet nozzle, a mixing wheel and other components, the problem that the existing devices cannot be fully diluted and mixed is solved, and the reagents and pure water are fully mixed, ensuring the effect of the reagents.

CN222567389UActive Publication Date: 2025-03-07URIT MEDICAL ELECTRONICS CO LTD

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Patent Information

Application Number: CN202421287719.3
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-06-06
Publication Date: 2025-03-07
Estimated Expiration: 2034-06-06

AI Technical Summary

Technical Problem

The existing devices cannot fully dilute and mix the introduced reagents and pure water, resulting in poor reagent use.

Method used

A quantitative dilution mixing device is designed, including a machine seat, a one-way valve, a liquid inlet nozzle, a mixing wheel, a liquid outlet nozzle, a pure water gear, a reagent gear, a first pump body member and a second pump body member. After entering the pump body member through pure water and reagent, a vortex is formed through a plurality of mixing wheels to achieve full mixing.

Benefits of technology

Through the design of this device, the reagent and pure water can be fully diluted and mixed, ensuring the effect of the reagent, and preventing the backflow of the liquid through a check valve, improving the accuracy of the pump.

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Abstract

The utility model relates to the technical field of medical IVD equipment, in particular to a quantitative diluting and blending device which comprises a machine base, a one-way valve, a liquid inlet nozzle, a blending wheel, a liquid outlet nozzle, a pure water gear, a reagent gear, a first pump body component and a second pump body component, the one-way valve is connected with the machine base, the liquid inlet nozzle is respectively connected with the machine base and the one-way valve, the blending wheel is arranged on the machine base, and the pure water gear is connected with the reagent gear. The liquid outlet nozzle is connected with the machine base, the pure water gear is connected with the machine base, the reagent gear is connected with the machine base, the first pump body component is arranged on the machine base, the second pump body component is arranged on the machine base, the introduced reagent and pure water can be fully mixed after being diluted through rotation of the uniform mixing wheel, and then the use effect of the reagent is guaranteed.

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Description

Technical Field

[0001] The utility model relates to the technical field of medical IVD equipment, in particular to a quantitative dilution and mixing device. Background Art

[0002] The operation of various medical IVD equipment usually requires the addition of various reagents for cleaning, maintenance, testing, etc. At present, they are usually pre-configured and sent to users for direct use. Due to the large consumption of some reagents, the packaging specifications are usually 10L or 20L, which causes problems such as time-consuming and labor-intensive reagent replacement, large storage space required, and high transportation costs.

[0003] Commonly used reagents have low concentrations, and the base liquid is usually deionized water, which the hospital has its own. Therefore, high-concentration small-package reagents can be used. When in use, they are automatically diluted and mixed with deionized water in the instrument before use, which makes replacement easier and reduces storage space and transportation costs.

[0004] However, the existing device cannot fully mix the introduced reagent and pure water after dilution, so the use effect of the reagent cannot be guaranteed. Utility Model Content

[0005] The utility model aims to provide a quantitative dilution and mixing device, aiming to solve the problem that the existing device cannot fully mix the introduced reagent and pure water after dilution, thereby failing to ensure the use effect of the reagent.

[0006] To achieve the above-mentioned purpose, the utility model provides a quantitative dilution and mixing device, including a machine base, a one-way valve, a liquid inlet nozzle, a mixing wheel, a liquid outlet nozzle, a pure water gear, a reagent gear, a first pump body component and a second pump body component, the one-way valve is connected to the machine base and is located on one side of the machine base, the liquid inlet nozzle is respectively connected to the machine base and the one-way valve, and is located on the side of the machine base close to the one-way valve, the mixing wheel is arranged on the machine base and is located on one side of the machine base, the liquid outlet nozzle is connected to the machine base and is located on the side of the machine base close to the mixing wheel, the pure water gear is connected to the machine base and is located on one side of the machine base, the reagent gear is connected to the machine base and is located on the side of the machine base away from the pure water gear, the first pump body component is arranged on the machine base, and the second pump body component is arranged on the machine base.

[0007] Among them, the first pump body component includes a first end cover and a first screw, the first end cover is connected to the machine base through the first screw, and is located on the side of the machine base close to the pure water gear; the first screw is arranged on the machine base and connected to the first end cover.

[0008] Wherein, the second pump body component includes a second end cover and a second screw, the second end cover is connected to the machine base through the second screw and is located on a side of the machine base close to the reagent gear; the second screw is arranged on the machine base and connected to the second end cover.

[0009] Wherein, the first pump body component further includes a first sealing ring, which is arranged on the machine base and located on a side of the machine base close to the first end cover.

[0010] Wherein, the second pump body component further includes a second sealing ring, which is arranged on the machine base and located on a side of the machine base close to the second end cover.

[0011] The utility model discloses a quantitative dilution and mixing device, wherein pure water and reagent respectively enter the liquid inlet chamber of the independent pure water gear pump formed by the first pump body component cooperating with the pure water gear block and the machine base on the right side of the machine body and the liquid inlet chamber of the independent pure water gear pump formed by the second pump body component cooperating with the reagent gear block and the machine base on the left side of the machine body after passing through the corresponding two one-way valves from the two liquid inlet nozzles, the pure water gear pump liquid inlet chamber and the reagent gear pump liquid inlet chamber are connected with the liquid outlet of the reagent gear pump liquid inlet chamber, and are discharged from the liquid outlet nozzle after passing through a plurality of mixing wheels, the pure water gear pump and the reagent gear pump have no active driving device, when the instrument extracts pure water and reagent, the liquid flow force in the pipeline of the machine base drives the two pumps to work, when liquid flows in the pipeline of the device, the plurality of mixing wheels will rotate to form a vortex in the liquid to achieve a sufficient mixing effect, and at the same time the one-way valve can prevent the liquid from flowing back and improve the accuracy of the pump, so that the introduced reagent and pure water can be diluted and fully mixed through the rotation of the mixing wheel, thereby ensuring the use effect of the reagent. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic structural diagram of a quantitative dilution and mixing device according to the first embodiment of the utility model.

[0014] Figure 2 It is a cross-sectional view of the quantitative dilution and mixing device of the first embodiment of the utility model.

[0015] Figure 3 It is an exploded view of the quantitative dilution and mixing device of the first embodiment of the utility model.

[0016] In the figure: 101-machine base, 102-check valve, 103-liquid inlet nozzle, 104-mixing wheel, 105-liquid outlet nozzle, 106-pure water gear, 107-reagent gear, 108-first end cover, 109-first screw, 110-first sealing ring, 111-second end cover, 112-second screw, 113-second sealing ring. DETAILED DESCRIPTION

[0017] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0018] The first embodiment of the present application is:

[0019] See also Figures 1 to 3 ,in Figure 1 It is a schematic structural diagram of a quantitative dilution and mixing device according to the first embodiment of the utility model. Figure 2 It is a cross-sectional view of the quantitative dilution and mixing device of the first embodiment of the utility model. Figure 3 It is an exploded view of the quantitative dilution and mixing device of the first embodiment of the utility model.

[0020] The utility model provides a quantitative dilution and mixing device, including a base 101, a one-way valve 102, a liquid inlet nozzle 103, a mixing wheel 104, a liquid outlet nozzle 105, a pure water gear 106, a reagent gear 107, a first pump body component and a second pump body component, wherein the first pump body component includes a first end cover 108, a first screw 109 and a first sealing ring 110, and the second pump body component includes a second end cover 111, a second screw 112 and a second sealing ring 113. The above-mentioned solution solves the problem that the existing device cannot fully mix the introduced reagent and pure water after dilution, thereby failing to ensure the use effect of the reagent. It can be understood that the above-mentioned solution can be used in the case where the introduced reagent and pure water need to be diluted and fully mixed.

[0021] In this embodiment, the left and right sides of the base 101 each have two cavities, and the upper and lower connections of the base 101 have pipelines connected to the cavities on both sides.

[0022] The one-way valve 102 is connected to the base 101 and is located on one side of the base 101. The liquid inlet nozzle 103 is connected to the base 101 and the one-way valve 102 respectively and is located on the side of the base 101 close to the one-way valve 102. The mixing wheel 104 is arranged on the base 101 and is located on one side of the base 101. The liquid outlet nozzle 105 is connected to the base 101 and is located on the side of the base 101 close to the mixing wheel 104. The pure water gear 106 is connected to the base 101 and is located on one side of the base 101. The reagent gear 107 is connected to the base 101 and is located on the side of the base 101 away from the pure water gear 10 6, the first pump body component is arranged on the machine base 101, the second pump body component is arranged on the machine base 101, the one-way valve 102 is provided with two, the two one-way valves 102 are connected and fixed in the machine base 101, the one-way valve 102 can prevent the liquid from flowing back, the two liquid inlet nozzles 103 are provided with two, the two liquid inlet nozzles 103 are connected and fixed on the machine body, and are communicated with the corresponding two one-way valves 102, the pure water and the reagent respectively pass through the corresponding two one-way valves 102 from the two liquid inlet nozzles 103, and then enter the liquid inlet cavity on the left and right sides of the machine base 101 through the liquid inlet port of the machine base 101, and the mixing wheel 104 is provided with a plurality of, and the plurality of mixing wheels 104 It is arranged on the machine base 101, and the liquid outlets in the liquid inlet chamber on the left and right sides of the machine base 101 are connected. The liquid in the connected liquid outlet pipeline can be concentrated and then pass through multiple mixing wheels 104. When liquid flows in the pipeline, the multiple mixing wheels 104 will rotate to form a vortex in the liquid to achieve a sufficient mixing effect. The liquid outlet nozzle 105 is connected and fixed on the machine base 101, and the mixed liquid can be concentrated and discharged through the liquid outlet nozzle 105. There are two pure water gears 106, and the two pure water gears 106 are installed in the right liquid inlet cavity of the machine base 101. There are two reagent gears 107, and the two reagent gears 107 are installed in the left liquid inlet cavity of the machine base 101. The first pump body component is arranged on the machine base 101, and the right liquid inlet cavity where the pure water gear 106 is installed can be sealed by the first pump body component, so that the first pump body component cooperates with the pure water gear block and the machine base 101 to form an independent pure water gear 106 pump on the right side of the machine base 101. The second pump body component is arranged on the machine base 101, and the left liquid inlet cavity where the reagent gear 107 is installed can be sealed by the second pump body component, so that the second pump body component cooperates with the reagent gear block and the machine base 101 to form an independent reagent gear 107 pump on the left side of the machine base 101. The displacement ratio of the two pumps is the dilution ratio of the reagent.Thus, pure water and reagent respectively enter the independent pure water gear 106 pump liquid inlet cavity formed by the first pump body component cooperating with the pure water gear block and the machine base 101 on the right side of the machine body and the second pump body component cooperating with the reagent gear block and the machine base 101 on the left side of the machine body after passing through the corresponding two one-way valves 102 from the two liquid inlet nozzles 103, and the liquid outlet of the pure water gear 106 pump liquid inlet cavity and the reagent gear 107 pump liquid inlet cavity are connected, and after passing through a plurality of the mixing wheels 104, the pure water gear 106 pump liquid inlet cavity and the reagent gear 107 pump liquid inlet cavity are connected. , discharged from the liquid outlet 105, the pure water gear 106 pump and the reagent gear 107 pump have no active driving device. When the instrument extracts pure water and reagents, the liquid flow force in the pipeline of the base 101 drives the two pumps to work. When liquid flows in the pipeline of the device, the multiple mixing wheels 104 will rotate to form a vortex in the liquid to achieve a full mixing effect. At the same time, the one-way valve 102 can prevent the liquid from flowing back and improve the accuracy of the pump. Therefore, the introduced reagent and pure water can be diluted and fully mixed through the rotation of the mixing wheel 104, thereby ensuring the use effect of the reagent. ,

[0023] Secondly, the first end cover 108 is connected to the base 101 through the first screw 109 and is located on the side of the base 101 close to the pure water gear 106; the first screw 109 is arranged on the base 101 and connected to the first end cover 108, and the first end cover 108 is connected and fixed to the right side of the base 101 by multiple first screws 109, thereby achieving the purpose of forming an independently sealed pure water gear 106 pump on the right side of the base 101 by cooperating with the base 101 and the pure water gear 106 through the connected and fixed first end cover 108.

[0024] At the same time, the second end cover 111 is connected to the base 101 through the second screw 112 and is located on the side of the base 101 close to the reagent gear 107; the second screw 112 is arranged on the base 101 and connected to the second end cover 111, and the second end cover 111 is connected and fixed to the left side of the base 101 through multiple second screws 112, thereby achieving the purpose of forming an independently sealed reagent gear 107 pump on the left side of the base 101 by the connected and fixed second end cover 111 cooperating with the base 101 and the reagent gear 107.

[0025] In addition, the first sealing ring 110 is arranged on the machine base 101 and is located on the side of the machine base 101 close to the first end cover 108. The first sealing ring 110 is arranged between the machine base 101 and the first end cover 108. The first sealing ring 110 can better improve the sealing between the machine base 101 and the first end cover 108.

[0026] Finally, the second sealing ring 113 is arranged on the machine base 101 and connected to the second end cover 111. It is located on the side of the machine base 101 close to the second end cover 111. The second sealing ring 113 is arranged between the machine base 101 and the second end cover 111. The second sealing ring 113 can better improve the sealing between the machine base 101 and the second end cover 111.

[0027] When using a quantitative dilution and mixing device of the present embodiment, pure water and reagent respectively enter the two liquid inlet nozzles 103 through the corresponding two one-way valves 102, and then enter the independent liquid inlet chamber of the pure water gear 106 pump formed by the first pump body component cooperating with the pure water gear block and the machine base 101 on the right side of the machine body, and the independent liquid inlet chamber of the pure water gear 106 pump formed by the second pump body component cooperating with the reagent gear block and the machine base 101 on the left side of the machine body. The liquid outlet of the pure water gear 106 pump liquid inlet chamber and the reagent gear 107 pump liquid inlet chamber are connected, and through a plurality of the After the mixing wheel 104, the liquid is discharged from the liquid outlet 105. The pure water gear 106 pump and the reagent gear 107 pump have no active driving device. When the instrument extracts pure water and reagents, the liquid flow force in the pipeline of the base 101 drives the two pumps to work. When liquid flows in the pipeline of the device, multiple mixing wheels 104 will rotate to form a vortex in the liquid to achieve a sufficient mixing effect. At the same time, the one-way valve 102 can prevent the liquid from flowing back and improve the accuracy of the pump. Therefore, the introduced reagent and pure water can be diluted and fully mixed through the rotation of the mixing wheel 104, thereby ensuring the use effect of the reagent.

[0028] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A quantitative dilution and mixing device, characterized in that: It includes a machine base, a one-way valve, a liquid inlet nozzle, a mixing wheel, a liquid outlet nozzle, a pure water gear, a reagent gear, a first pump body component and a second pump body component. The one-way valve is connected to the machine base and is located on one side of the machine base. The liquid inlet nozzle is respectively connected to the machine base and the one-way valve and is located on the side of the machine base close to the one-way valve. The mixing wheel is arranged on the machine base and is located on one side of the machine base. The liquid outlet nozzle is connected to the machine base and is located on the side of the machine base close to the mixing wheel. The pure water gear is connected to the machine base and is located on one side of the machine base. The reagent gear is connected to the machine base and is located on the side of the machine base away from the pure water gear. The first pump body component is arranged on the machine base, and the second pump body component is arranged on the machine base.

2. The quantitative dilution and mixing device according to claim 1, characterized in that: The first pump body component includes a first end cover and a first screw. The first end cover is connected to the machine base through the first screw and is located on a side of the machine base close to the pure water gear. The first screw is arranged on the machine base and connected to the first end cover.

3. The quantitative dilution and mixing device according to claim 1, characterized in that: The second pump body component includes a second end cover and a second screw. The second end cover is connected to the base via the second screw and is located on a side of the base close to the reagent gear. The second screw is arranged on the base and connected to the second end cover.

4. The quantitative dilution and mixing device according to claim 2, characterized in that: The first pump body component also includes a first sealing ring, which is arranged on the machine base and located on a side of the machine base close to the first end cover.

5. The quantitative dilution and mixing device according to claim 3, characterized in that: The second pump body component also includes a second sealing ring, which is arranged on the machine base and located on a side of the machine base close to the second end cover.