Liquid medicine detection sampling device

By designing a vertical insertion sampling cone and a push rod piston structure for liquid drug testing and sampling devices, the problems of contamination and breakage during liquid drug sampling are solved, achieving clean and efficient sampling and sample transfer, and facilitating data traceability.

CN223727471UActive Publication Date: 2025-12-26SHANDONG MUSHENG JIAHE TECHNOLOGY & TRADE CO LTD
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Patent Information

Application Number
CN202423275779.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-26
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing liquid drug testing and sampling devices are prone to contamination of liquid drugs after the sealing film is torn off, which affects the accuracy of the test data.

Method used

A liquid drug detection and sampling device was designed. The sampling cone is inserted vertically into the liquid drug for sampling, avoiding tilting and collision breakage. The transfer and aspiration of the liquid drug are realized through the push rod and piston structure.

Benefits of technology

This ensures that the sampling process does not contaminate the medicine and avoids container breakage, achieving clean and efficient sampling and sample transfer, which facilitates subsequent data traceability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of liquid medicine detection, in particular to a liquid medicine detection sampling device. Comprising a pipe barrel assembly and a sampling assembly, the pipe barrel assembly comprises a sampling pipe barrel and a liquid pushing rod, the sampling assembly comprises an assembling round pipe, a sampling conical head and a sealing gasket, one end of the assembling round pipe is connected with an assembling end pipe, one end of the sampling conical head is connected with a liquid guiding suction pipe, and the end, away from the sampling conical head, of the liquid guiding suction pipe is connected with a connecting inner pipe. During sampling, the sampling conical head is guaranteed to be clean and free of residues, whether the tip end of the sampling conical head is sharp or not is checked, then the tip end of the sampling conical head is aligned with the center of a liquid medicine sealing film, the sampling conical head is vertically inserted into the liquid medicine by a preset depth, and the sampling conical head is vertically inserted into the liquid medicine. The sampling conical head is used for avoiding collision and breakage of the sampling conical head to a liquid medicine container due to inclination and is slowly pulled out after sampling is completed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to liquid medicine detection technical field, concretely is a kind of liquid medicine detection sampling device. BACKGROUND

[0002] When detecting liquid medicine, the staff needs to sample the liquid medicine, and when sampling a small amount, a rubber-tipped dropper can be used for sampling, and when a large amount of liquid medicine needs to be accurately sampled, a graduated pipette is used. When using, the staff inserts the rubber suction capsule interface into the opening at the top end of the graduated pipette, squeezes the rubber suction capsule, and relies on the suction force of the rubber suction capsule to suck the liquid medicine into the graduated pipette. When the liquid medicine surface reaches the corresponding scale, the staff removes the rubber suction capsule in time to stop sucking the liquid medicine, and the finger synchronously seals the top opening of the graduated pipette.

[0003] The patent document with the authorized announcement number CN221224341U, a liquid medicine detection sampling device, includes a sampling pipette main body, a negative pressure suction chamber is arranged above the sampling pipette main body, a pull-out plate is slidably connected to the inner wall of the negative pressure suction chamber, and the pull-out plate is sealingly connected to the inner wall of the negative pressure suction chamber. However, due to the lack of a sampling cone, when sampling liquid medicine with a sealing film, the sealing film needs to be torn off before sampling. However, after tearing off the sealing film of the liquid medicine, the liquid medicine is easily contaminated by the surrounding environment, affecting the accuracy of subsequent detection data. SUMMARY

[0004] To solve the problem that when sampling liquid medicine with a sealing film, the sealing film needs to be torn off before sampling, but after tearing off the sealing film of the liquid medicine, the liquid medicine is easily contaminated by the surrounding environment, affecting the accuracy of subsequent detection data, the tip of the sampling cone is aligned with the center of the sealing film of the liquid medicine, and the sampling cone is vertically inserted into the liquid medicine to a predetermined depth. By vertically inserting the sampling cone, the collision and breakage of the liquid medicine container caused by the inclination of the sampling cone are avoided, and the sampling cone is slowly pulled out after sampling.

[0005] In order to achieve the above object, the utility model discloses the technical scheme that adopts: a liquid medicine detection sampling device, including the tube assembly, sampling assembly, the tube assembly includes the sampling tube, pushes the liquid rod, the sampling assembly includes the assembly round pipe, sampling cone head, sealing washer, the one side of sampling tube outer ring wall body is provided with the mark groove, one end of pushing the liquid rod is connected with the liquid pushing handle, the one end of pushing the liquid rod away from liquid pushing handle extends to the inside of sampling tube and is connected with the liquid pushing piston, one end of assembly round pipe is connected with the assembly end pipe, one end of sampling cone head is connected with the liquid guide pipet, the inside of the one end of sampling cone head away from liquid guide pipet is provided with sampling suction hole, one end of liquid guide pipet away from sampling cone head is connected with the connecting inner tube.

[0006] The utility model discloses the beneficial effect that: when sampling, first ensure that sampling cone head is clean and has no residual, and check whether the tip of sampling cone head is sharp, then the tip of sampling cone head is aimed at the center of liquid medicine sealing film, and sampling cone head is vertically inserted into the predetermined depth in liquid medicine, through the vertical insertion of sampling cone head, is used for avoiding the collision breakage of liquid medicine container caused by the inclination of sampling cone head, and slowly pulls out sampling cone head after completing sampling.

[0007] In order to push the liquid pushing piston through the liquid pushing rod, for the liquid medicine inside sampling tube is transferred:

[0008] As the further improvement of the above technical scheme: the one side of outer ring wall body is provided with the identification plaque, and the identification plaque and the mark groove are arranged on the same side of sampling tube.

[0009] The beneficial effect of the improvement is: after completing the liquid medicine detection sampling work, sampling tube is placed in the liquid medicine transfer position, the liquid pushing piston is pushed through the liquid pushing rod, for the liquid medicine inside sampling tube is transferred, then the information card is taken out from the mark groove, and the sampling date is filled, which is convenient for the traceability of subsequent samples, and the identification plaque is used for classifying sampling tube.

[0010] In order to the pressure difference between the inside and outside of sampling tube can make liquid medicine be sucked into sampling tube:

[0011] As the further improvement of the above technical scheme: the surface of the one side of sampling tube outer ring wall body is laser engraved with scale mark line, the inside of the one end wall body of liquid guide pipet and connecting inner tube is connected with sealing washer, and the sealing washer is annular structure rubber washer.

[0012] The beneficial effect of the improvement is: when sampling, hold the liquid pushing handle and gradually pull, the liquid pushing handle moves the liquid pushing piston through the liquid pushing rod in the process of pulling, the volume of sampling tube increases and the pressure decreases when the liquid pushing piston moves, according to Pascal's law, the pressure difference between the inside and outside of sampling tube can make liquid medicine be sucked into sampling tube.

[0013] In order to be used for conveying the liquid medicine in the assembling round pipe into the sampling pipe cylinder through the setting of the assembling end pipe:

[0014] As a further improvement of the above technical solution: the inner ring wall body of the assembling end pipe is provided with an internal thread, and the assembling round pipe, the assembling end pipe and the sampling pipe cylinder are integrally formed.

[0015] The improved beneficial effect is that the liquid medicine in the assembling round pipe is conveyed into the sampling pipe cylinder through the setting of the assembling end pipe, and the assembling round pipe is connected with the liquid guide pipe.

[0016] In order to be used for assembling the liquid guide pipe with the assembling round pipe, and facilitating the cleaning and replacement of the sampling cone head:

[0017] As a further improvement of the above technical solution: the liquid guide pipe and the sampling cone head are integrally formed, and the outer ring wall body of the connecting inner pipe is provided with an external thread.

[0018] The improved beneficial effect is that the liquid guide pipe is assembled with the assembling round pipe through the setting of the connecting inner pipe, and the cleaning and replacement of the sampling cone head are facilitated.

[0019] In order to avoid the collision and breakage of the liquid medicine container caused by the inclination of the sampling cone head through the vertical insertion of the sampling cone head:

[0020] As a further improvement of the above technical solution: the sampling suction hole is connected with the inner cavity of the sampling cone head, and the sampling cone head is a hollow cone structure.

[0021] The improved beneficial effect is that when sampling, the sampling cone head is ensured to be clean and free of residues, and the sharpness of the tip of the sampling cone head is checked, then the tip of the sampling cone head is aligned with the center of the liquid medicine sealing film, and the sampling cone head is vertically inserted into the liquid medicine to a predetermined depth, the vertical insertion of the sampling cone head is used to avoid the collision and breakage of the liquid medicine container caused by the inclination of the sampling cone head, and the sampling cone head is slowly pulled out after sampling. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the utility model.

[0023] Figure 2 It is Figure 1 It is an enlarged structural schematic diagram of A in the middle.

[0024] Figure 3 It is a three-dimensional structural schematic diagram of the liquid guide pipe of the utility model.

[0025] Figure 4 It is a front view structure schematic diagram of the utility model.

[0026] In the figure: 1, tube assembly; 11, sampling tube; 12, scale mark; 13, mark groove; 14, identification nameplate; 15, liquid pushing rod; 16, liquid pushing handle; 17, liquid pushing piston; 2, sampling assembly; 21, assembled round pipe; 22, assembled end pipe; 23, sampling cone head; 24, connecting inner pipe; 25, sampling suction hole; 26, liquid guiding suction pipe; 27, sealing washer. DETAILED DESCRIPTION

[0027] In order to make the person skilled in the art better understand the technical scheme of the utility model, the utility model is described in detail below in combination with the drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the utility model.

[0028] As Figures 1-4As shown, a liquid medicine detection sampling device, including a barrel assembly 1, a sampling assembly 2, the barrel assembly 1 includes a sampling barrel 11, a liquid pushing rod 15, the sampling assembly 2 includes an assembled round pipe 21, a sampling cone head 23, a sealing washer 27, one side of the outer ring wall body of the sampling barrel 11 is provided with a mark groove 13, one end of the liquid pushing rod 15 is connected with a liquid pushing handle 16, the end of the liquid pushing rod 15 away from the liquid pushing handle 16 extends to the inside of the sampling barrel 11 and is connected with a liquid pushing piston 17, one end of the assembled round pipe 21 is connected with an assembled end pipe 22, one end of the sampling cone head 23 is connected with a liquid guide suction pipe 26, the inside of the end of the sampling cone head 23 away from the liquid guide suction pipe 26 is provided with a sampling suction hole 25, the end of the liquid guide suction pipe 26 away from the sampling cone head 23 is connected with a connecting inner pipe 24, one side of the outer ring wall body is provided with an identification plaque 14, the identification plaque 14 and the mark groove 13 are arranged on the same side of the sampling barrel 11; after completing the liquid medicine detection sampling work, the sampling barrel 11 is placed at the liquid medicine transfer position, the liquid pushing piston 17 is pushed by the liquid pushing rod 15, and the liquid medicine in the sampling barrel 11 is transferred, then an information card is taken out from the mark groove 13, and the sampling date is filled in, so that the traceability of the subsequent sample is facilitated, the identification plaque 14 is used for classification of the sampling barrel 11, the surface of one side of the outer ring wall body of the sampling barrel 11 is laser engraved with a scale mark line 12, the inside of the end wall body connected with the connecting inner pipe 24 of the liquid guide suction pipe 26 is connected with the sealing washer 27, and the sealing washer 27 is a rubber washer with an annular structure; when sampling, the liquid pushing handle 16 is held and gradually pulled, the liquid pushing handle 16 drives the movement of the liquid pushing piston 17 in the pulling process through the liquid pushing rod 15, the volume of the sampling barrel 11 increases and the pressure decreases when the liquid pushing piston 17 moves, according to Pascal's law, the pressure difference between the inside and outside of the sampling barrel 11 will cause the liquid medicine to be sucked into the sampling barrel 11, the inner ring wall body of the end of the assembled round pipe 21 away from the assembled end pipe 22 is provided with an internal thread, and the assembled round pipe 21, the assembled end pipe 22 and the sampling barrel 11 are integrally formed; through the arrangement of the assembled end pipe 22, the liquid medicine in the assembled round pipe 21 is conveyed into the sampling barrel 11, through the arrangement of the assembled round pipe 21, the liquid guide suction pipe 26 is connected and assembled, the liquid guide suction pipe 26 and the sampling cone head 23 are integrally formed, and the outer ring wall body of the connecting inner pipe 24 is provided with an external thread; through the arrangement of the connecting inner pipe 24, the liquid guide suction pipe 26 and the assembled round pipe 21 are assembled, and the sampling cone head 23 is convenient to clean and replace, the sampling suction hole 25 communicates with the inner cavity of the sampling cone head 23, and the sampling cone head 23 is a hollow cone structure.When sampling, first ensure that the sampling cone head 23 is clean and free of residues, and check whether the tip of the sampling cone head 23 is sharp, then align the tip of the sampling cone head 23 with the center of the liquid medicine sealing film, and vertically insert the sampling cone head 23 into the liquid medicine to a predetermined depth, by the vertical insertion of the sampling cone head 23, to avoid the collision and breakage of the liquid medicine container caused by the inclination of the sampling cone head 23, and slowly pull out the sampling cone head 23 after sampling.

[0029] The working principle of the utility model is: when sampling, first ensure that the sampling cone head 23 is clean and free of residues, and check whether the tip of the sampling cone head 23 is sharp, then align the tip of the sampling cone head 23 with the center of the liquid medicine sealing film, and vertically insert the sampling cone head 23 into the liquid medicine to a predetermined depth, by the vertical insertion of the sampling cone head 23, to avoid the collision and breakage of the liquid medicine container caused by the inclination of the sampling cone head 23, and slowly pull out the sampling cone head 23 after sampling.

[0030] It should be noted that in this paper, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment.

[0031] The principle and implementation mode of the present application are described by using specific examples herein, and the above examples are only used for helping to understand the method and core idea of the present application. The above preferred embodiments of the present application are described, and it should be pointed out that due to the limited expression, there are infinite specific structures objectively, and for ordinary skilled persons in the technical field, some improvements, decorations or changes can be made without departing from the principle of the present application, and the above technical features can be combined in a proper way; the improvements, decorations, changes or combinations, or the direct application of the concept and technical solution of the present application to other occasions without improvement, should be regarded as the protection scope of the present application.

Claims

1. A liquid medicine detection sampling device, comprising a barrel assembly (1) and a sampling assembly (2), the barrel assembly (1) comprising a sampling barrel (11) and a liquid pushing rod (15), the sampling assembly (2) comprising an assembled round tube (21), a sampling cone head (23) and a sealing washer (27), characterized in that: The outer ring wall body of the sampling tube (11) is provided with a mark groove (13) on one side, one end of the liquid pushing rod (15) is connected with a liquid pushing handle (16), the end of the liquid pushing rod (15) away from the liquid pushing handle (16) extends to the inside of the sampling tube (11) and is connected with a liquid pushing piston (17), one end of the assembled circular tube (21) is connected with an assembled end tube (22), one end of the sampling cone head (23) is connected with a liquid guide straw (26), the inside of the end of the sampling cone head (23) away from the liquid guide straw (26) is provided with a sampling suction hole (25), and the end of the liquid guide straw (26) away from the sampling cone head (23) is connected with a connecting inner tube (24).

2. The liquid drug product testing and sampling device of claim 1, wherein: The outer ring wall body is provided with an identification plaque (14) on the same side as the mark groove (13) and the sampling tube (11).

3. The liquid drug detection sampling device of claim 1, wherein: The surface of the outer ring wall body on one side of the sampling tube (11) is laser engraved with a scale mark (12), the inside of the end of the liquid guide straw (26) and the connecting inner tube (24) is connected with a sealing gasket (27), and the sealing gasket (27) is a rubber gasket with an annular structure.

4. The liquid drug detection sampling device of claim 1, wherein: The inner ring wall body of the end of the assembled circular tube (21) away from the assembled end tube (22) is provided with an internal thread, and the assembled circular tube (21), the assembled end tube (22) and the sampling tube (11) are integrally formed.

5. The liquid drug product testing and sampling device of claim 1, wherein: The liquid guide straw (26) and the sampling cone head (23) are integrally formed, and the outer ring wall body of the connecting inner tube (24) is provided with an external thread.

6. The liquid drug product testing and sampling device of claim 1, wherein: The sampling suction hole (25) communicates with the inner cavity of the sampling cone head (23), and the sampling cone head (23) is a hollow cone structure.

Citation Information

Patent Citations

  • Liquid medicine detection sampling device

    CN221224341U