Pharmaceutical experiment sampler

By designing a pharmaceutical experimental sampler, utilizing a rotating handle and screw structure, the problem of inaccurate volume caused by non-vertical liquid sampling was solved, thus achieving accuracy in liquid sampling and reliability in experimental results.

CN223808175UActive Publication Date: 2026-01-16WEST CHINA HOSPITAL SICHUAN UNIV
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Patent Information

Application Number
CN202520053435.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2026-01-16
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

In current drug testing, it is difficult to maintain a vertical position when sampling liquid raw materials, which leads to inaccurate sampling volume and affects the experimental results.

Method used

A pharmaceutical experimental sampler was designed. By rotating the handle, the moving block and the fixed rod are moved upward to ensure that the sampling body is vertical. Combined with the cooperation of the screw and lead screw, the liquid can be accurately extracted.

Benefits of technology

This improved the accuracy of liquid sampling, reduced the difficulty of extending the arm, and ensured the accuracy of experimental results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pharmaceutical experiment sampler which comprises a sampling main body, a mounting frame is arranged on one side of the sampling main body, a long screw rod is rotatably connected to the top of the mounting frame, the long screw rod is in threaded connection with a moving block in a penetrating mode, a sleeve rod is arranged on one side, away from the sampling main body, of the moving block, and the sleeve rod is rotatably connected with a first screw rod in a penetrating mode. An inserting rod is slidably connected into the sleeve rod, a second screw rod is rotatably connected to the top of the inserting rod in a penetrating manner, a connecting frame is fixedly connected to the side, away from the sampling main body, of the sleeve rod, a positioning block is slidably connected into the connecting frame, a fixing screw rod is rotatably connected to the top of the positioning block, and the fixing screw rod penetrates through the connecting frame and is rotatably connected with the connecting frame. According to the pharmaceutical experiment sampler, the moving block can be driven to move upwards through the rotating handle, then the push rod moves upwards to achieve the sampling purpose, in the sampling process, the sampling body is in the vertical direction, a user can conveniently extract liquid with the accurate volume, and the experiment result is more accurate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to experimental sampling technical field especially relates to a pharmacy experimental sampler. BACKGROUND

[0002] The raw material, processing product and finished product need to be inspected in the production process of medicine, and the raw material is more in the synthesis process of medicine, has granular, powder and liquid state, when detecting these components, the amount of sampling product needs to be controlled to prevent inaccurate experimental results during experiment;

[0003] When detecting liquid raw material, needle tube type sampling tool is generally used, and because sample detection needs to exclude contingency, a large amount of solution is extracted, so that the needle tube used for extracting solution is too long in the horizontal direction, so that the user has great difficulty in extracting solution, and the needle tube cannot be kept vertical when extracting liquid, so that the user cannot accurately confirm the extraction capacity, thereby causing the user to extract solution not accurate enough, thereby affecting the subsequent experimental results.

[0004] In view of the above situation, a pharmacy experimental sampler is proposed. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art and provides a pharmacy experimental sampler.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A pharmacy experimental sampler, including sampling main part, the inside of sampling main part is connected with push rod slidingly, the top of push rod is fixedly connected with connecting rod, the side of sampling main part is provided with mounting frame, the top of mounting frame is rotatably connected with long lead screw, long lead screw is connected with moving block through screw, the side, away from sampling main body of moving block, is provided with sleeve rod, the sleeve rod is rotatably connected with first screw rod through penetration, the bottom of first screw rod is screw connected in the inside of moving block;

[0008] The inside of sleeve rod is connected with plug rod slidingly, the top of plug rod is rotatably connected with second screw rod through penetration, the bottom of second screw rod is screw connected in the inside of connecting rod;

[0009] The side, away from sampling main body of sleeve rod, is fixedly connected with connecting frame, the inside of connecting frame is connected with positioning block slidingly, the top of positioning block is rotatably connected with fixed screw rod, fixed screw rod penetrates connecting frame and is rotatably connected with connecting frame;

[0010] The conversion component is installed inside the mounting frame. The input end of the conversion component extends through the mounting frame and is fixedly connected to a handle on its end face. The output end of the conversion component extends through the mounting frame and is fixedly connected to the bottom end of a long lead screw.

[0011] Preferably, a sampling head is fixedly connected to the bottom of the sampling body.

[0012] Preferably, a support rod is fixedly connected to the outer surface of the mounting frame near the sampling body, a fixing plate is fixedly connected to the top of the support rod, the fixing plate is rotatably connected to the long screw rod, a limit plate is fixedly connected between the fixing plate and the mounting frame, and the outer surface of the limit plate is in contact with the outer surface of the moving block.

[0013] Preferably, a fixing rod is fixedly connected to the outer surface of the support rod facing the sampling body, and a fixing frame is fixedly connected to the top of the fixing rod.

[0014] Preferably, a positioning plate is fixedly connected to the centerline of the fixed frame, and a limiting groove is opened on the side of the positioning plate facing the sampling body. A limiting block is slidably connected inside the limiting groove, and the limiting block is fixedly connected to the outer surface of the sampling body.

[0015] Preferably, the positioning plate is rotatably connected to a bidirectional lead screw, the bidirectional lead screw is threadedly connected to a clamping plate, and the tail end of the clamping plate is in contact with the outer surface of the connecting frame.

[0016] The pharmaceutical experimental sampler proposed in this utility model has the following advantages: When sampling, the user can rotate the driving moving block to move it upward, which in turn drives the fixed rod to move upward, thereby moving the push rod upward to achieve the sampling purpose. During the sampling process, the sampling body is in a vertical position, which makes it convenient for the user to draw an accurate volume of liquid, making the experimental results more accurate. At the same time, when drawing liquid, the user does not need to spread their arm and pull the push rod to draw the liquid, thus reducing the difficulty for the user when drawing the solution. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall outer surface structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the overall internal structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 4 This utility model Figure 2 Enlarged view of point A.

[0021] In the figure: 1, sample body; 2, sampling head; 3, push rod; 4, connecting rod; 5, limit block; 6, fixed rod; 7, limit groove; 8, clamping plate; 9, fixed frame; 10, bidirectional screw rod; 11, support rod; 12, mounting frame; 13, fixed plate; 14, limit plate; 15, long screw rod; 16, moving block; 17, sleeve rod; 18, plug rod; 19, first screw; 20, second screw; 21, connecting frame; 22, positioning block; 23, fixed screw; 24, conversion assembly; 25, handle; 26, positioning plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0023] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0024] Referring to 1-4, a pharmaceutical experiment sampler, comprising a sampling body 1, a push rod 3 is slidably connected inside the sampling body 1, the top of the push rod 3 is fixedly connected with a connecting rod 4, the bottom of the sampling body 1 is fixedly connected with a sampling head 2, the sampling body 1 and the sampling head 2 have a certain corrosion resistance;

[0025] The side of the sampling body 1 is provided with a mounting frame 12, the top of the mounting frame 12 is rotationally connected with a long lead screw 15, the long lead screw 15 is threadedly connected with a moving block 16, the side of the moving block 16 away from the sampling body 1 is provided with a sleeve rod 17, the sleeve rod 17 is rotationally connected with a first screw rod 19, the bottom of the first screw rod 19 is threadedly connected in the inside of the moving block 16; the inside of the sleeve rod 17 is slidably connected with a plug rod 18, the top of the plug rod 18 is rotationally connected with a second screw rod 20, the bottom of the second screw rod 20 is threadedly connected in the inside of the connecting rod 4; the side of the sleeve rod 17 away from the sampling body 1 is fixedly connected with a connecting frame 21, the inside of the connecting frame 21 is slidably connected with a positioning block 22, the top of the positioning block 22 is rotationally connected with a fixed screw rod 23, the fixed screw rod 23 penetrates the connecting frame 21 and is rotationally connected with the connecting frame 21; the inside of the mounting frame 12 is installed with a conversion assembly 24, the input end of the conversion assembly 24 penetrates to the mounting frame 12 and is fixedly connected with a handle 25 in the end face, the output end of the conversion assembly 24 penetrates the mounting frame 12 and is fixedly connected with the bottom end of the long lead screw 15 in the end face, the end surface of the mounting frame 12 close to the sampling body 1 is fixedly connected with a supporting rod 11, the top of the supporting rod 11 is fixedly connected with a fixed plate 13, the fixed plate 13 is penetrated by the long lead screw 15 and is rotationally connected with the long lead screw 15, the fixed plate 13 is fixedly connected with a limiting plate 14 between the mounting frame 12, the outer surface of the limiting plate 14 is fitted with the outer surface of the moving block 16.

[0026] The end surface of the supporting rod 11 towards the side of the sampling body 1 is fixedly connected with a fixed rod 6, the top end of the fixed rod 6 is fixedly connected with a fixed frame 9, the middle line of the fixed frame 9 is fixedly connected with a positioning plate 26, the side of the positioning plate 26 towards the sampling body 1 is provided with a limiting groove 7, the inside of the limiting groove 7 is slidably connected with a limiting block 5, the limiting block 5 is fixedly connected with the outer surface of the sampling body 1, the positioning plate 26 is rotationally connected with a bidirectional lead screw 10, the bidirectional lead screw 10 is threadedly connected with a clamping plate 8, the tail end of the clamping plate 8 is fitted with the outer surface of the connecting frame 21, the inner wall of the clamping plate 8 is provided with a silica gel cushion, which can increase the friction and also can prevent the clamping plate 8 from damaging the sampling body 1.

[0027] In the application, when sampling, the user first rotates the second screw rod 20, so that the insertion rod 18 is separated from the fixed rod 6, and then rotates the handle 25 to drive the moving block 16 downward, until the bottom of the moving block 16 is attached to the upper side of the mounting frame 12, then the user first clamps the sampling main body 1 side limiting block 5 in the limiting groove 7, and then slides the sampling main body 1, so that the sampling head 2 can be deeply inserted into the inside of the liquid sample, then the user can first rotate the bidirectional screw rod 10 to drive the clamping plate 8 to slide in the connecting frame 21, so that the clamping plate 8 can clamp the sampling main body 1, and the purpose of positioning the sampling main body 1 is achieved, then the first screw rod 19 and the fixed screw rod 23 are rotated, so that the sleeve rod 17 and the moving block 16 can be freely rotated, and the insertion rod 18 can move in the sleeve rod 17, then the user rotates the sleeve rod 17 while moving the position of the insertion rod 18, so that the top end of the insertion rod 18 coincides with the fixed rod 6, then the second screw rod 20 is inserted into the screw hole of the fixed rod 6 and rotated, so that the position of the insertion rod 18 is positioned, then the user rotates the first screw rod 19 and the fixed screw rod 23 in sequence, so that the angle between the sleeve rod 17 and the moving block 16 is fixed, and the position of the insertion rod 18 in the sleeve rod 17 can also be positioned, then the user first rotates the handle 25 to drive the conversion assembly 24, so that the conversion assembly 24 can drive the long screw rod 15 to rotate, thereby driving the moving block 16 to move upward, and then driving the fixed rod 6 to move upward, the fixed rod 6 drives the push rod 3 to move upward, so that the sampling head 2 can suck the liquid into the inside of the sampling main body 1, when the user extracts the liquid from the sampling main body 1, the page height can be observed, until the extracted liquid amount is the same as the required liquid amount, stop rotating the handle 25, finally place the experimental vessel below the sampling head 2, rotate the handle 25 to drive the push rod 3 to extrude the required amount of liquid downward, then move the experimental vessel to perform the next experimental operation.

[0028] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A pharmaceutical experiment sampler, comprising a sampling main body (1), a push rod (3) is slidably connected inside the sampling main body (1), and a connecting rod (4) is fixedly connected to the top of the push rod (3), characterized in that, The side of the sampling body (1) is provided with a mounting frame (12), the top of the mounting frame (12) is rotationally connected with a long lead screw (15), the long lead screw (15) is threadedly connected with a moving block (16), the side of the moving block (16) away from the sampling body (1) is provided with a sleeve rod (17), the sleeve rod (17) is rotationally connected with a first screw rod (19) penetrating through, and the bottom of the first screw rod (19) is threadedly connected in the inside of the moving block (16); The inside of the sleeve rod (17) is slidably connected with a plug rod (18), the top of the plug rod (18) is rotationally connected with a second screw rod (20) penetrating through, and the bottom of the second screw rod (20) is threadedly connected in the inside of the connecting rod (4); The side of the sleeve rod (17) away from the sampling body (1) is fixedly connected with a connecting frame (21), the inside of the connecting frame (21) is slidably connected with a positioning block (22), the top of the positioning block (22) is rotationally connected with a fixed screw rod (23), the fixed screw rod (23) penetrates through the connecting frame (21) and is rotationally connected with the connecting frame (21); The inside of the mounting frame (12) is mounted with a conversion assembly (24), the input end of the conversion assembly (24) penetrates to the mounting frame (12) and is fixedly connected with a handle (25) in the end face, and the output end of the conversion assembly (24) penetrates the mounting frame (12) and is fixedly connected with the bottom end of the long lead screw (15) in the end face.

2. A pharmaceutical laboratory sampler according to claim 1, wherein, The bottom of the sampling body (1) is fixedly connected with a sampling head (2).

3. A pharmaceutical laboratory sampler according to claim 1, wherein, The end surface of the mounting frame (12) close to the sampling body (1) is fixedly connected with a support rod (11), the top of the support rod (11) is fixedly connected with a fixed plate (13), the fixed plate (13) is penetrated through by the long lead screw (15) and is rotationally connected with the long lead screw (15), the fixed plate (13) and the mounting frame (12) are fixedly connected with a limiting plate (14) therebetween, and the outer surface of the limiting plate (14) is fitted with the outer surface of the moving block (16).

4. A pharmaceutical laboratory sampler according to claim 3, wherein, The outer surface of the side of the support rod (11) toward the sampling body (1) is fixedly connected with a fixed rod (6), and the top end of the fixed rod (6) is fixedly connected with a fixed frame (9).

5. A pharmaceutical laboratory sampler according to claim 4, wherein, The middle line of the fixed frame (9) is fixedly connected with a positioning plate (26), the side of the positioning plate (26) toward the sampling body (1) is provided with a limiting groove (7), the inside of the limiting groove (7) is slidably connected with a limiting block (5), and the limiting block (5) is fixedly connected to the outer surface of the sampling body (1).

6. A pharmaceutical laboratory sampler according to claim 5, wherein, The positioning plate (26) is rotationally connected with a bidirectional lead screw (10) penetrating through, the bidirectional lead screw (10) is threadedly connected with a clamping plate (8), and the tail end of the clamping plate (8) is fitted with the outer surface of the connecting frame (21).