Medicament sampling device

Abstract

The utility model provides a medicament sampling device and belongs to the technical field of medicament sampling. Comprising an outer frame assembly, a mounting cylinder is arranged at the lower end of the inner side of the outer frame assembly, an extraction assembly is arranged in the mounting cylinder, a bearing is arranged in the middle of the upper end of the extraction assembly, a servo motor is arranged in the middle of the upper end of the outer frame assembly, a limiting assembly is arranged at the lower end of the extraction assembly, and a connecting assembly is arranged at the lower end of the limiting assembly. According to the multi-sample collecting device disclosed by the utility model, a multi-sample collecting structure is formed by mutual combination of the extraction tanks and the hoses, when a medicament is extracted, the integration pipe is firstly put into the medicament, and then the extraction assembly is matched with the bearing and the servo motor to start working; according to the chemical sampling device, chemical samples are extracted from the liquid inlets installed at different heights at the outer end of the integration pipe and enter different extraction tanks to be stored, chemical sampling work at different depths is achieved, and compared with a traditional single sample sampling device, the whole process is more time-saving and labor-saving, and the chemical sampling device is more practical and convenient to popularize.

Description

TECHNICAL FIELD

[0001] The utility model relates to medicament sampling technical field, especially a medicament sampling device. BACKGROUND

[0002] Medicament sampling is the operation of extracting representative part samples from a large number of medicaments in the process of drug research and development, production, quality control and related detection, so as to accurately analyze and evaluate the quality, composition, purity and other characteristics of the medicaments. Different sampling devices are needed for sampling different medicaments. Among them, different devices are needed for sampling before and after the extraction of traditional Chinese medicine medicaments.

[0003] At present, the existing liquid sampling device for traditional Chinese medicine medicament after extraction, such as the liquid chemical medicament sampling device disclosed in Chinese utility model patent application publication No. CN219641327U, by setting the adjusting mechanism, the push rod automatically slides upward under the action of the spring, which is convenient for automatic suction of liquid. By sliding up and down the adjusting ring, rotating the fastener to fix the adjusting ring, the push rod drives the guide rod to slide, so that the fixed pad contacts the bottom of the adjusting ring, and then stops sucking liquid, which is convenient for sucking different amounts of different liquids and convenient for quantitative adjustment. However, in actual use, the device is still a traditional syringe type sampling structure, and only one tube can be sampled each time. It may be suitable for small batch sampling in some laboratories. When large batch medicament production sampling is encountered, medicament sampling in different areas of the same reaction kettle is generally needed, which requires simultaneous multiple sample collection, resulting in insufficient single sample sampling device. At the same time, the existing syringe type sampling device generally needs manual operation, which may pose a certain safety risk when sampling some dangerous chemical medicaments. Therefore, the present application provides a medicament sampling device to meet the needs. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to provide a medicament sampling device to solve the deficiency of the existing syringe type sampling device in multiple sample collection, and the safety risk of manual operation of the traditional sampling device.

[0005] To solve the above technical problems, the utility model provides the following technical scheme:

[0006] The utility model provides a medicine sampling device, including the lower end of the inside of outer frame component is equipped with the installation cylinder, the inside of installation cylinder is equipped with the extraction component, the middle part of upper end of extraction component is equipped with the bearing, the middle part of upper end of outer frame component is equipped with servo motor, the lower end of extraction component is equipped with the limiting component, the lower end of limiting component is equipped with the connecting component, the lower end of connecting component is equipped with the filter component, the middle part of filter component lower end is equipped with the integrated pipe, the front side of the outer end of integrated pipe is equipped with the liquid inlet, the front and rear sides of the outer end of connecting component are equipped with the handle.

[0007] Optionally, the outer frame component comprises a frame body, a top plate, a clamping arm and an external block, the upper end of the front end of the frame body is provided with the top plate, the lower end of the top plate is provided with the clamping arm, and the middle part of the rear end of the frame body is provided with the external block.

[0008] Optionally, the extraction component comprises a lower pressing plate, a middle circular plate, a bottom plate, an extraction tank, a piston rod and a protruding block, the lower end of the lower pressing plate is provided with the middle circular plate, the lower end of the middle circular plate is provided with the bottom plate, the upper end of the bottom plate is provided with the extraction tank, the upper end of the extraction tank is provided with the piston rod, and the outer end of the lower pressing plate is provided with the protruding block.

[0009] Optionally, the limiting component comprises a protective tube, a threaded joint and a rubber ring, the lower end of the protective tube is provided with the threaded joint, and the inner side of the upper end of the protective tube is provided with the rubber ring.

[0010] Optionally, the connecting component comprises a rotating block, a butt joint groove, a through hole, a hose and a pipeline joint, the inner side of the upper end of the rotating block is provided with the butt joint groove, the lower end of the inside of the butt joint groove is provided with the through hole, the inside of the upper end of the through hole is provided with the hose, and the upper end of the hose is provided with the pipeline joint.

[0011] Optionally, the filter component comprises a conical block, an outer ring block, a filter pipe, a cover and a filling block, the outer side of the upper end of the conical block is provided with the outer ring block, the upper end of the conical block is provided with the filter pipe, the upper and lower sides of the outer end of the filter pipe are provided with the cover, and the inside of the filter pipe is provided with the filling block.

[0012] Optionally, the inner side of the upper end of the installation cylinder is provided with a lifting groove, the front side of the outer end of the installation cylinder is provided with an arc-shaped plate, the transmission end of the servo motor is screwed through the inner side of the bearing and extends downward, the limiting component and the extraction component are reinforced through bolts, the inside of the integrated pipe is provided with three extraction pipes, the front end of the extraction pipe is in communication with the liquid inlet, and the handles are symmetrically distributed.

[0013] Optionally, the frame body, the top plate, the clamping arm and the external block are in an integrated structure, the clamping arm is longitudinally distributed in two, the clamping arm is composed of two half-arc-shaped rods, the external block is longitudinally distributed at the rear end of the frame body, and a threaded hole is formed in the middle part of the upper end of the external block.

[0014] Optionally, the overall diameter of the lower pressing plate, the middle circular plate and the bottom plate is equal, a reinforcing hole is arranged in the middle part of the outer end of the middle circular plate, four extraction tanks are symmetrically arranged, a scale is arranged on the outer end of the extraction tank, the lower end of the piston rod penetrates the inner side of the middle circular plate and continues to extend into the inside of the extraction tank, and the four protruding blocks are symmetrically arranged.

[0015] Optionally, the four through holes are symmetrically arranged, and the four hoses are symmetrically arranged.

[0016] Compared with the prior art, the utility model has at least the following beneficial effects:

[0017] In the scheme, the extraction tank and the hose are arranged, can be communicated with the multiple extraction pipes arranged in the integrated pipe, form the complete extraction structure, and due to the multiple designs of the extraction tank and the hose, the structure that can simultaneously collect multiple samples is formed, before the medicament is extracted, the integrated pipe can be placed in the medicament, then the extraction assembly is operated by cooperating with the bearing and the servo motor, the liquid inlet installed at different heights is extracted from the outer end of the integrated pipe, the medicament sample is simultaneously extracted into the extraction tank, different depth multiple sample sampling work in the medicament is realized, compared with the traditional single sample sampling device, the whole process is more time-saving and labor-saving, and is more practical, and is convenient to promote.

[0018] The bearing is arranged in the middle part of the lower pressing plate, and the bearing is sleeved with the lower pressing plate, when the medicament needs to be extracted, the servo motor is started, the bearing is driven to move downwards along the transmission shaft of the servo motor, at the same time, the lower pressing plate is also displaced upwards along the lifting groove in the inside of the installation cylinder under the rotation of the bearing, the piston rod is pulled to move upwards in the inside of the extraction tank, the suction force is generated to drive the lower end medicament along the liquid inlet into the extraction pipe in the inside of the integrated pipe, and the medicament is sucked into the extraction tank through the hose, and the whole process does not need manual participation, and is safer and faster. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings incorporated herein and forming part of the specification show embodiments of the present utility model, and together with the specification further serve to explain the principles of the present utility model, and enable a person skilled in the relevant art to practice and use the present utility model.

[0020] Figure 1 It is a three-dimensional structure schematic view of the medicament sampling device;

[0021] Figure 2 It is a three-dimensional structure schematic view of the medicament sampling device outer frame assembly, the installation cylinder and the servo motor;

[0022] Figure 3 The stereogram of the extraction assembly of the medicament sampling device is shown in the figure.

[0023] Figure 4 The stereogram of the limiting assembly and the connecting assembly of the medicament sampling device is shown in the figure.

[0024] Figure 5 The stereogram of the filtering assembly of the medicament sampling device is shown in the figure.

[0025] Figure 6 The stereogram of the filtering pipe, the cover and the filling block of the medicament sampling device is shown in the figure.

[0026] Figure 7 The sectional structure of the integrated pipe and the liquid inlet of the medicament sampling device is shown in the figure.

[0027] [Reference signs]

[0028] 1, outer frame assembly; 2, mounting cylinder; 3, extraction assembly; 4, bearing; 5, servo motor; 6, limiting assembly; 7, connecting assembly; 8, filtering assembly; 9, integrated pipe; 10, liquid inlet; 11, handle; 101, frame body; 102, top plate; 103, clamping arm; 104, external block; 301, lower pressing plate; 302, middle circular plate; 303, bottom plate; 304, extraction tank; 305, piston rod; 306, protruding block; 601, protective pipe; 602, threaded joint; 603, rubber ring; 701, rotating block; 702, butt joint groove; 703, through hole; 704, hose; 705, pipe joint; 801, conical block; 802, outer ring block; 803, filtering pipe; 804, cover; 805, filling block.

[0029] As shown in the figure, in order to clearly realize the structure of the embodiment of the present application, specific structures and devices are marked in the figure, but this is only for the need of illustration, and is not intended to limit the present application in the specific structure, device and environment, and according to the specific need, the devices and environment can be adjusted or modified by the ordinary skilled in the art. DETAILED DESCRIPTION

[0030] The medicament sampling device provided by the present application is described in detail below in combination with the drawings and specific embodiments. It is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and other alternative ways can also be used by the skilled in the art to implement some known technologies; and the drawings are only used to describe the embodiments in more detail, and are not intended to specifically limit the present application.

[0031] It is to be appreciated that the use of any of the following terms "one embodiment," "an embodiment," "some embodiments," "one example," "an example," "some examples," and the like, are not intended to limit the scope of the application to a specific embodiment or embodiment, nor imply that all embodiments include the discussed feature, advantage or mode of operation. Rather, these terms are intended to encompass the subject matter recited in the claims, and those come within the scope of the application as expressed in the claims.

[0032] Generally, the nomenclature is chosen to be illustrative of the features that one of ordinary skill in the art would appreciate is of significance. For example, the term "one or more" as used herein, depending at least in part upon the context, can be used to describe any feature, structure, or characteristic in a singular sense or can be used in a plural sense to describe a combination of features, structures or characteristics. Additionally, the term "based on" can be understood as not necessarily being constrained to a set of exclusive factors, but rather, can instead be interpreted in a more liberal sense to allow for the inclusion of other factors not necessarily explicitly described.

[0033] It is to be understood that the terms "on," "over," and "above" in the present disclosure are to be interpreted in the broadest possible way consistent with the context. Consequently, "on," "over," and "above" should be understood not only to mean "directly on" something, but also to mean there are no intervening features or layers between the two elements, and also that "on," "over," and "above" can mean "on," "over," and "above" something with intervening features or layers between the two elements.

[0034] In addition, spatially relative terms, such as "beneath", "below", "lower", "above", "upper" and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0035] As Figures 1 to 7As shown, the utility model discloses a kind of medicament sampling devices, including outer frame component 1, the lower end of the inner side of outer frame component 1 is equipped with installation cylinder 2, the inner side of installation cylinder 2 upper end is equipped with lifting groove, and, the front side of installation cylinder 2 outer end is equipped with arc plate, installation cylinder 2 can be opened to observe the inside extraction condition, the inside of installation cylinder 2 is equipped with extraction assembly 3, the middle part of extraction assembly 3 upper end is equipped with bearing 4, bearing 4 and the contact end of extraction assembly 3 are in sleeve joint, the middle part of outer frame component 1 upper end is equipped with servo motor 5, the transmission end of servo motor 5 is screwed through the inner side of bearing 4, and extend downward, the lower end of extraction assembly 3 is equipped with limiting component 6, limiting component 6 and extraction assembly 3 are reinforced by bolt, the lower end of limiting component 6 is equipped with connecting component 7, the lower end of connecting component 7 is equipped with filter component 8, the middle part of filter component 8 lower end is equipped with integration pipe 9, three extraction pipes are equipped in the inside of integration pipe 9, and the front end of extraction pipe and inlet 10 are interconnected, the front side of integration pipe 9 outer end is equipped with inlet 10, inlet 10 is longitudinally distributed with four according to the difference of height, and, the front end of inlet 10 is equipped with filter screen, can carry out preliminary filtration, the front and back sides of connecting component 7 outer end are equipped with handle 11, handle 11 is symmetrically distributed, by the design of handle 11, when needing to disassemble and clean, can hand handle 11 rotation connecting component 7, separate it from limiting component 6, facilitate to clean inside.

[0036] As Figures 1 to 3As shown, the outer frame assembly 1 comprises a frame body 101, a top plate 102, a clamping arm 103 and an external block 104, the upper end of the front end of the frame body 101 is provided with the top plate 102, the lower end of the top plate 102 is provided with the clamping arm 103, the clamping arm 103 is longitudinally distributed with two, and the clamping arm 103 is composed of two half-arc-shaped rods, the contact ends of the two half-arc-shaped rods can be tightened by a screw pin, the middle of the rear end of the frame body 101 is provided with the external block 104, the external block 104 is longitudinally distributed on the rear end of the frame body 101, and a threaded hole is formed in the middle of the upper end of the external block 104, which can be connected with an external lifting displacement device, so as to facilitate the carrying and lifting of the whole sampling device, and secondly, the frame body 101, the top plate 102, the clamping arm 103 and the external block 104 are in an integral structure; the extraction assembly 3 comprises a lower pressing plate 301, a middle circular plate 302, a bottom plate 303, an extraction tank 304, a piston rod 305 and a protruding block 306, the lower end of the lower pressing plate 301 is provided with the middle circular plate 302, the middle of the outer end of the middle circular plate 302 is provided with a reinforcing hole, which is convenient for reinforcing the outer wall of the installation cylinder 2, the lower end of the bottom plate 303 is arranged on the lower end of the bottom plate 303, and the lower end of the bottom plate 303 is arranged on the lower end of the bottom plate 303, and the lower end of the bottom plate 303 is arranged on the lower end of the bottom plate 303. The lower end of the bottom plate 303 can be spliced with the upper end of the protective tube 601, and the overall diameter between the lower pressing plate 301, the middle circular plate 302 and the bottom plate 303 is equal, the upper end of the bottom plate 303 is provided with the extraction tank 304, the extraction tank 304 is symmetrically distributed with four, and the lower end of the extraction tank 304 penetrates through the bottom plate 303 and is in contact with the limiting assembly 6, at the same time, the outer end of the extraction tank 304 is provided with a scale, the upper end of the extraction tank 304 is provided with the piston rod 305, the piston rod 305 is symmetrically distributed with four, and the lower end of the piston rod 305 penetrates through the inner side of the middle circular plate 302 and continues to extend into the inside of the extraction tank 304, the outer end of the lower pressing plate 301 is provided with the protruding block 306, the protruding block 306 is symmetrically distributed with four, which can ensure that the lower pressing plate 301 will not be angularly offset during the up-down displacement process.

[0037] By setting the extraction tank 304 and the hose 704, a plurality of extraction pipes laid in the integrated pipe 9 can be communicated with each other to form a complete extraction structure, and due to the multiple designs of the extraction tank 304 and the hose 704, they can be combined to form a structure that can simultaneously collect multiple samples. Before extracting the medicament, the integrated pipe 9 can be placed in the medicament, and then the extraction assembly 3 cooperates with the bearing 4 and the servo motor 5 to start working, so that the liquid inlet 10 installed at different heights on the outer end of the integrated pipe 9 can simultaneously extract the medicament sample into the extraction tank 304 for storage, thereby achieving the sampling of multiple samples at different depths in the medicament. Compared with the traditional single-sample sampling device, the whole process is more time-saving and labor-saving, and is more practical and convenient for promotion.

[0038] By setting the bearing 4, which is installed in the middle of the lower plate 301, the two are mutually nested, when the medicine needs to be extracted, the servo motor 5 is started, which drives the bearing 4 to move downward along the transmission shaft of the servo motor 5, at the same time, the lower plate 301 will also be displaced upward along the lifting groove inside the installation cylinder 2 under the rotating action of the bearing 4, pulling the piston rod 305 to move upward inside the extraction tank 304, generating suction to drive the lower end of the medicine along the liquid inlet 10, into the integrated pipe 9 inside the extraction pipe, through the hose 704 into the extraction tank 304, the whole process does not need manual participation, it is safer and faster.

[0039] As shown in Figure 1 and Figure 4 The limiting assembly 6 includes a protective tube 601, a threaded joint 602 and a rubber ring 603, the protective tube 601 is made of iron sheet as a whole and has a hollow structure inside, the lower end of the protective tube 601 is provided with the threaded joint 602, the threaded joint 602 is designed to make the protective tube 601 and the connecting assembly 7 more convenient to install and disassemble, the inside of the upper end of the protective tube 601 is provided with the rubber ring 603, the design of the rubber ring 603 is in contact with the bottom of the extraction tank 304 and plays a protective role at the lower end of the extraction tank 304; the connecting assembly 7 includes a rotating block 701, a butt joint groove 702, a through hole 703, a hose 704 and a pipe joint 705, the inside of the upper end of the rotating block 701 is provided with the butt joint groove 702, the lower part inside the butt joint groove 702 is provided with the through hole 703, the through hole 703 is symmetrically distributed in four, the inside of the upper end of the through hole 703 is provided with the hose 704, the hose 704 is symmetrically distributed in four, and the lower end of the hose 704 is a folding pipe, the upper end of the hose 704 is provided with the pipe joint 705, and the hose 704 and the pipe joint 705 are in one piece.

[0040] The limiting assembly 6 and the connecting assembly 7 are provided, wherein the limiting assembly 6 mainly plays a protective role on the internal pipeline, and the connecting assembly 7 plays a role in connecting the extraction assembly 3 with the lower integrated pipe 9, facilitating subsequent medicine extraction and separation of the two after extraction for subsequent cleaning work.

[0041] As shown in Figures 5 to 7 The filtering assembly 8 includes a conical block 801, an outer ring block 802, a filter pipe 803, a cover 804 and a filling block 805, the outside of the upper end of the conical block 801 is provided with the outer ring block 802, the upper end of the conical block 801 is provided with the filter pipe 803, the upper and lower sides of the outer end of the filter pipe 803 are provided with the cover 804, and the inside of the filter pipe 803 is provided with the filling block 805.

[0042] Through the filter pipe 803, the cover 804 and the filling block 805, the three constitute a complete filter structure, and four groups of the filter structure are symmetrically distributed, and the upper and lower ends of the four groups of the filter structure are respectively connected with different extraction pipes and the hose 704, so that in subsequent medicine sampling work, larger granular impurities in the medicine can be filtered to prevent the hose 704 from being blocked.

[0043] The medicine sampling device has the working principle that the extraction tank 304 and the hose 704 can be connected with the plurality of extraction pipes arranged in the integrated pipe 9, and form a complete extraction structure; in addition, the extraction tank 304 and the hose 704 are combined to form a structure capable of simultaneously collecting multiple samples; before the medicine is extracted, the integrated pipe 9 can be placed in the medicine, and then the extraction assembly 3 cooperates with the bearing 4 and the servo motor 5 to start working, so that the liquid inlet 10 installed at different heights at the outer end of the integrated pipe 9 simultaneously extracts the medicine samples into the extraction tank 304, thereby achieving the multiple sample sampling work at different depths in the medicine; in addition, the bearing 4 is arranged on the inner side of the middle part of the lower pressing plate 301, and the bearing 4 and the lower pressing plate 301 are connected with each other, when the medicine needs to be extracted, the servo motor 5 is started, the bearing 4 moves downward along the transmission shaft of the servo motor 5, at the same time, the lower pressing plate 301 moves upward along the lifting groove in the inner side of the installation cylinder 2 under the rotation of the bearing 4, the piston rod 305 moves upward in the extraction tank 304, the suction force is generated to drive the lower end of the medicine into the extraction pipe in the integrated pipe 9 through the liquid inlet 10, and the medicine is sucked into the extraction tank 304 through the hose 704, and the whole process does not need manual participation, so that the process is safer and faster.

[0044] The utility model covers any alternative, modification, equivalent method and scheme which is made on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the following preferred embodiments of the utility model, and the utility model can also be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known method, process, flow, element and circuit are not explained in detail.

[0045] The above only is the preferred implementation mode of the utility model, should point out, for ordinary skill in the prior art, on the premise that without departing from the principle of the utility model, still can make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection range of the utility model.

Claims

1. A medicament sampling device, characterized by, The utility model provides an external frame component, the lower end of the inside of external frame component is equipped with the installation cylinder, the inside of installation cylinder is equipped with the extraction component, the middle part of upper end of extraction component is equipped with the bearing, the middle part of upper end of external frame component is equipped with servo motor, the lower end of extraction component is equipped with the limiting component, the lower end of limiting component is equipped with the connecting component, the lower end of connecting component is equipped with the filter component, the middle part of lower end of filter component is equipped with the integrated pipe, the front side of external end of integrated pipe is equipped with the liquid inlet, the inside of integrated pipe is equipped with three extraction pipes, and the front end of extraction pipe and liquid inlet are intercommunicated, the front and back of external end of connecting component is equipped with the handle, The extraction component comprises a lower pressing plate, a middle circular plate, a bottom plate, extraction tanks, a piston rod and a protruding block, the lower pressing plate is provided with the middle circular plate below, the middle circular plate is provided with the bottom plate below, the bottom plate is provided with the extraction tanks at the upper end, the extraction tanks are symmetrically distributed, the extraction tanks are provided with the piston rod at the upper end, the lower pressing plate is provided with the protruding block at the outer end, and the protruding block is symmetrically distributed. The connecting component comprises a rotating block, a butt joint groove, a through hole, a hose and a pipe joint, the inner side of the upper end of the rotating block is provided with the butt joint groove, the lower part of the inside of the butt joint groove is provided with the through hole, the inside of the upper end of the through hole is provided with the hose, the hose is symmetrically distributed, and the upper end of the hose is provided with the pipe joint.

2. The medicament sampling device of claim 1, wherein, The external frame component comprises a frame body, a top plate, clamping arms and an external block, the upper end of the front end of the frame body is provided with the top plate, the lower part of the top plate is provided with the clamping arms, and the middle part of the rear end of the frame body is provided with the external block.

3. The medicament sampling device of claim 1, wherein, The limiting component comprises a protective tube, a threaded joint and a rubber ring, the lower end of the protective tube is provided with the threaded joint, and the inner side of the upper end of the protective tube is provided with the rubber ring.

4. The medicament sampling device of claim 1, wherein, The filter component comprises a conical block, an outer ring block, a filter pipe, a cover and a filling block, the outer side of the upper end of the conical block is provided with the outer ring block, the upper end of the conical block is provided with the filter pipe, the upper and lower sides of the outer end of the filter pipe are provided with the cover, and the inside of the filter pipe is provided with the filling block.

5. The medicament sampling device of claim 1, wherein, The inner side of the upper end of the installation cylinder is provided with a lifting groove, the front side of the outer end of the installation cylinder is provided with an arc-shaped plate, the transmission end of the servo motor is screwed through the inner side of the bearing and extends downward, the limiting component and the extraction component are reinforced through bolts, and the handles are symmetrically distributed.

6. The medicament sampling device of claim 2, wherein, The frame body, the top plate, the clamping arms and the external block are in an integrated structure, the clamping arms are longitudinally distributed, the clamping arms are composed of two half-arc-shaped rods, the external block is longitudinally distributed at the rear end of the frame body, and the middle part of the upper end of the external block is provided with a threaded hole.

7. The medicament sampling device of claim 1, wherein, The overall diameters of the lower pressing plate, the middle circular plate and the bottom plate are equal, the middle part of the outer end of the middle circular plate is provided with a reinforcing hole, the outer end of the extraction tank is provided with a scale, the lower end of the piston rod penetrates the inner side of the middle circular plate and continuously extends into the inside of the extraction tank, and the protruding blocks are symmetrically distributed.

8. The medicament sampling device of claim 1, wherein, The through holes are symmetrically distributed, the lower end of the hose is a folding pipe, and the hose and the pipe joint are in an integrated structure.

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