Medicament sampling device with dosing function
By designing a drug sampling device with a measurement function, and utilizing a combination of a limiting mechanism and a piston disc, the problems of cumbersome drug measurement process and reliance on operator experience for accuracy are solved, achieving accurate, fast, and efficient drug sampling.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ORDOS MONGOLIAN MEDICINE HOSPITAL (ORDOS MONGOLIAN MEDICINE RES INST)
- Filing Date
- 2025-08-27
- Publication Date
- 2026-07-24
AI Technical Summary
In existing technologies, the drug dosage process is cumbersome and time-consuming, especially when sampling is repeated frequently, resulting in low efficiency. Furthermore, the measurement accuracy of syringe-type tools depends on the operator's experience and stability, making it difficult to guarantee high repeatability.
A drug sampling device with a measuring function was designed, including a support component and a sampling component. The sampling tube is equipped with a limiting mechanism and a piston plate. The displacement height of the piston plate is set by the limiting mechanism, and the precise setting and fine adjustment of the drug dosage is achieved by combining the slide rail and the adjusting ring.
It enables precise, rapid, and repeatable drug sampling, improves the practicality of the device and the accuracy of drug dosage, and ensures the stability and efficiency of the sampling process.
Smart Images
Figure CN224552813U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of chemical experimental equipment technology, specifically a reagent sampling device with measuring function. Background Technology
[0002] In the experimental and production processes of pharmaceuticals, chemical analysis, and biomedicine, accurately measuring specific doses of liquid or semi-liquid pharmaceutical samples is a crucial fundamental operation. Currently, conventional sampling methods mainly rely on tools such as graduated cylinders, pipettes, and syringes. However, using graduated cylinders or pipettes usually requires first pouring the pharmaceutical sample into a container and then manually drawing or pouring it to the target volume. This process involves many steps and is time-consuming, especially when frequent repetitive sampling is required, resulting in extremely low efficiency. While syringes can directly draw the sample, their measurement accuracy is highly dependent on the operator's experience and stability in manually controlling the piston stroke. Manually controlling the piston stop position is also prone to dosage deviations due to operational jitter or fatigue, making it difficult to guarantee high repeatability for each sample. Utility Model Content
[0003] To achieve the above objectives, the present invention provides the following technical solution: a drug sampling device with a measuring function, comprising a support component and a sampling component. The support component includes a support base plate, on which a support frame is fixed. The support base plate is used to ensure the stability of the device and provides rigid support to the sampling component above through the support frame.
[0004] The sampling assembly includes a sampling tube with an installation button on its side. The installation button is fixed to the support frame. The sampling tube is used to store and transfer the extracted medicine. By fixing it to the support frame through the installation button, the sampling tube is in a vertical position. Thus, when the medicine storage container is placed above the support base plate, the sampling tube can be positioned above the medicine storage container to stably extract the medicine from the container.
[0005] The sampling tube is movably connected to a drug extraction mechanism for extracting the drug, and the side of the sampling tube is movably connected to a limiting mechanism for constraining the dosage of the drug extraction mechanism.
[0006] As a further improvement to the above scheme, the side of the sampling tube is provided with graduation values along its length.
[0007] The above technical solution allows operators to accurately view the volume of the drug inside the sampling tube, and also facilitates the setting of the drug dispensing dosage by the limiting mechanism.
[0008] As a further improvement to the above solution, the drug dispensing mechanism includes a connecting rod that is movably connected inside the sampling tube. A pressing button is fixed at one end of the connecting rod, and a piston disc is fixed at the other end. The piston disc is attached to the inner wall of the sampling tube.
[0009] Using the above technical solution, pulling the button causes the connecting rod to move the piston disc upward inside the sampling tube, and the resulting suction force draws the medicine from the container into the sampling tube.
[0010] As a further improvement to the above solution, the limiting mechanism includes a sampling tube side portion, a slide rail is provided along its length direction, a slide rail plate is slidably connected to the side portion of the slide rail, a connecting rod structure is installed on the slide rail plate, a limiting plate is installed at one end of the connecting rod structure, and a sleeve hole is opened on the limiting plate.
[0011] The connecting rod is movably sleeved in the sleeve hole, while the piston disc is attached to the bottom of the limiting disc at a set height.
[0012] It should be further explained that the bottom of the limiting plate is a hollow groove, and the edge of the piston plate is a flexible silicone ring. When the connecting rod pulls the piston plate to its limit, the piston plate enters the groove at the bottom of the limiting plate, and the silicone ring on the edge is pulled into the groove by the elastic contraction force. At this time, the bottom of the piston plate is flush with the bottom of the limiting plate.
[0013] Through the above technical solution, the slide plate slides on the side of the slide rail and drives the limiting plate to move up and down in the sampling tube through the connecting rod structure, thereby setting the height at which the piston plate can be displaced and realizing the setting of the drug sampling capacity.
[0014] As a further improvement to the above solution, the linkage structure includes an L-shaped rod fixed to the slide rail plate, a connecting cylinder fixed to one end of the L-shaped rod, an extension rod movably sleeved inside the connecting cylinder, and one end of the extension rod fixed to the limiting plate.
[0015] With the above technical solution, the extension rod is in the shape of an inverted U, with one end movably sleeved inside the connecting cylinder and the other end fixed on the limiting plate. Thus, when the slide plate slides on the slide rail, it drives the limiting plate to move at the same time.
[0016] As a further improvement to the above solution, an adjusting ring is rotatably connected to the connecting cylinder, and the adjusting ring is threadedly connected to the side of one end of the extension rod.
[0017] By using the above technical solution, the height of the extension rod can be finely adjusted by rotating the adjusting ring in both directions and utilizing the force of the threaded connection between the ring body and the extension rod, thereby achieving fine adjustment of the position height of the limiting plate in the sampling tube.
[0018] As a further improvement to the above solution, a positioning button is threadedly connected to the side of the slide rail plate, and a positioning groove is opened on the surface of the slide rail along its length direction, with one end of the positioning button movably connected in the positioning groove.
[0019] The above technical solution allows the positioning button to be rotated clockwise or counterclockwise, so that its front end is either in close contact with the corresponding surface inside the positioning groove or not. When it is in close contact, the position of the slide plate on the side of the slide rail is fixed. When the front end of the positioning button is not in contact with the corresponding surface of the positioning groove, but is inside the positioning groove, the stability of the slide plate sliding on the side of the slide rail is ensured.
[0020] Compared with the prior art, the present invention provides a drug sampling device with a measuring function, which has the following beneficial effects: 1. This drug sampling device with measuring function has a limiting mechanism installed on the sampling cylinder for setting the drug dosage. The limiting mechanism restricts the displacement height of the piston disc. By setting it in advance, it can accurately, quickly and repeatedly sample drugs, effectively improving the practicality of the device.
[0021] 2. This drug sampling device with measuring function allows for significant height adjustment of the limiting plate by sliding the slide plate on the side of the slide rail. At the same time, the height of the limiting plate can be finely adjusted by rotating the adjusting ring. This allows for flexible setting of the drug extraction amount according to actual usage needs and ensures the accuracy of drug sampling, further improving the practicality of the device. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the overall left-side structure of the device of this utility model; Figure 2 This is a schematic diagram of the overall right-side structure of the device of this utility model; Figure 3 This is a schematic diagram of the connection structure between the drug dispensing mechanism and the limiting mechanism of this utility model; Figure 4 This is a schematic diagram showing the disassembled structure of the drug dispensing mechanism and the limiting mechanism of this utility model.
[0023] The attached diagram lists the components represented by each number as follows: 1. Support components; 11. Support base plate; 12. Support frame; 2. Sampling assembly; 21. Sampling tube; 211. Mounting button; 212. Graduation value; 22. Medicine dispensing mechanism; 221. Connecting rod; 222. Press button; 223. Piston disc; 23. Limiting mechanism; 231. Slide rail; 232. Positioning groove; 233. Slide rail plate; 234. Linkage structure; 2341. L-shaped rod; 2342. Connecting cylinder; 2343. Extension rod; 2344. Adjusting ring; 235. Limiting disc; 236. Sleeve; 237. Positioning button. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figure 1 - Figure 4 As shown, the drug sampling device with measuring function proposed in this embodiment includes a support component 1 and a sampling component 2. The support component 1 includes a support base plate 11, and a support frame 12 is fixed on the support base plate 11. The support base plate 11 is used to ensure the stability of the device and to provide rigid support to the sampling component 2 above through the support frame 12.
[0026] The sampling assembly 2 includes a sampling tube 21. The sampling tube 21 has an installation button 211 on its side. The installation button 211 is fixed on the support frame 12. The sampling tube 21 is used to store and transfer the extracted medicine. By fixing it to the support frame 12 through the installation button 211, the sampling tube 21 is in a vertical state. Thus, when the medicine storage container is placed above the support base plate 11, the sampling tube 21 can be positioned above the medicine storage container to stably extract the medicine from the container.
[0027] The sampling tube 21 is movably connected to a drug extraction mechanism 22 for extracting the drug, and the side of the sampling tube 21 is movably connected to a limiting mechanism 23 for constraining the drug extraction dosage of the drug extraction mechanism 22.
[0028] Furthermore, the side of the sampling tube 21 is provided with a graduation value 212 along its length.
[0029] More specifically, the graduation value 212 allows the operator to accurately view the volume of the drug inside the sampling tube 21, and also facilitates the setting of the drug dosage by the limiting mechanism 23.
[0030] Furthermore, the drug dispensing mechanism 22 includes a connecting rod 221 movably connected inside the sampling tube 21. A push button 222 is fixed at one end of the connecting rod 221, and a piston disc 223 is fixed at the other end. The piston disc 223 is attached to the inner wall of the sampling tube 21.
[0031] More specifically, pulling the button 222 causes the connecting rod 221 to move the piston disc 223 upward within the sampling tube 21, using the resulting suction force to draw the medicine from the container into the sampling tube 21.
[0032] Furthermore, the limiting mechanism 23 includes a sampling tube 21 side portion, a slide rail 231 is provided along its length direction, a slide rail plate 233 is slidably connected to the side portion of the slide rail 231, a connecting rod structure 234 is installed on the slide rail plate 233, a limiting plate 235 is installed at one end of the connecting rod structure 234, and a sleeve hole 236 is opened on the limiting plate 235.
[0033] The connecting rod 221 is movably sleeved in the sleeve hole 236, while the piston disc 223 is attached to the bottom of the limiting disc 235 at a set height.
[0034] It should be further explained that the bottom of the limiting plate 235 is a hollow groove, and the edge of the piston plate 223 is a flexible silicone ring. When the connecting rod 221 pulls the piston plate 223 to the limit, the piston plate 223 enters the groove at the bottom of the limiting plate 235, and the silicone ring at the edge is pulled into the groove under the elastic contraction force. At this time, the bottom of the piston plate 223 is flush with the bottom of the limiting plate 235.
[0035] More specifically, the slide plate 233 slides on the side of the slide rail 231 and drives the limiting plate 235 to move up and down in the sampling tube 21 through the connecting rod structure 234, thereby setting the height at which the piston plate 223 can be displaced and realizing the setting of the drug sampling capacity.
[0036] Furthermore, the connecting rod structure 234 includes an L-shaped rod 2341 fixed on the slide rail plate 233, a connecting cylinder 2342 fixed at one end of the L-shaped rod 2341, an extension rod 2343 movably sleeved inside the connecting cylinder 2342, and one end of the extension rod 2343 fixed on the limiting plate 235.
[0037] More specifically, the extension rod 2343 is in an inverted U-shape, with one end movably sleeved inside the connecting cylinder 2342, and the other end fixed to the limiting plate 235. Thus, when the slide plate 233 slides on the slide rail 231, it drives the limiting plate 235 to move simultaneously.
[0038] Furthermore, an adjusting ring 2344 is rotatably connected to the connecting cylinder 2342, and the adjusting ring 2344 is threadedly connected to the side of one end of the extension rod 2343.
[0039] More specifically, by rotating the adjusting ring 2344 clockwise and counterclockwise, the height of the extension rod 2343 is finely adjusted by utilizing the force of the threaded connection between the ring body and the extension rod 2343, thereby achieving fine adjustment of the position height of the limiting plate 235 within the sampling tube 21.
[0040] Furthermore, a positioning button 237 is threadedly connected to the side of the slide rail plate 233, and a positioning groove 232 is provided on the surface of the slide rail 231 along its length direction, with one end of the positioning button 237 movably connected in the positioning groove 232.
[0041] More specifically, by rotating the positioning button 237 clockwise or counterclockwise, the front end of the positioning button 237 can be either tightly attached to the corresponding surface inside the positioning groove 232 or not attached. When tightly attached, the position of the slide rail plate 233 on the side of the slide rail 231 is fixed. When the front end of the positioning button 237 is not attached to the corresponding surface of the positioning groove 232, but is inside the positioning groove 232, the stability of the slide rail plate 233 sliding on the side of the slide rail 231 is ensured.
[0042] The working principle of the drug sampling device with measuring function proposed in this embodiment is as follows: During use, the device is placed on the operating platform, with the support base plate 11 attached to the platform. At this time, the sampling tube 21 is in a vertical position, and the needle of the sampling tube 21 is facing downwards. By rotating the adjusting ring 2344, the extension rod 2343 drives the limiting plate 235 to move up and down within the sampling tube 21. The movement is observed by comparing the bottom of the limiting plate 235 with the horizontal line of the graduation value 212 until the bottom of the limiting plate 235 is aligned with... Align the required dosage scale value 212, tilt the container containing the medicine slightly so that the interface passes through the connector at the bottom of the sampling tube 21, and then place it flat above the support base plate 11. At this time, the medium in the container submerges the connector of the sampling tube 21. By pulling the pressing button 222, the adsorption force generated between the piston plate 223 and the sampling tube 21 draws the medicine in the container into the sampling tube 21 until the piston plate 223 is completely retracted into the groove at the bottom of the limiting plate 235, thus completing the quantitative dispensing of the medicine.
[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A pharmaceutical sampling device with measuring function, comprising a support assembly (1) and a sampling assembly (2), characterized in that, The support assembly (1) includes a support base plate (11) and a support frame (12) is fixed on the support base plate (11). The sampling assembly (2) includes a sampling tube (21), and a mounting button (211) is provided on the side of the sampling tube (21), and the mounting button (211) is fixed on the support frame (12); The sampling tube (21) is movably connected to a drug extraction mechanism (22) for extracting the drug, and the side of the sampling tube (21) is movably connected to a limiting mechanism (23) for constraining the drug extraction dosage of the drug extraction mechanism (22).
2. The pharmaceutical sampling device with measuring function according to claim 1, characterized in that: The sampling tube (21) has a scale value (212) on its side along its length.
3. A pharmaceutical sampling device with measuring function according to claim 1, characterized in that: The drug dispensing mechanism (22) includes a connecting rod (221) movably connected inside the sampling tube (21). A button (222) is fixed at one end of the connecting rod (221), and a piston disc (223) is fixed at the other end. The piston disc (223) is attached to the inner wall of the sampling tube (21).
4. A pharmaceutical sampling device with measuring function according to claim 3, characterized in that: The limiting mechanism (23) includes a sampling tube (21) side, a slide rail (231) is provided along its length, a slide rail plate (233) is slidably connected to the side of the slide rail (231), a connecting rod structure (234) is installed on the slide rail plate (233), a limiting plate (235) is installed at one end of the connecting rod structure (234), and a sleeve hole (236) is opened on the limiting plate (235). The connecting rod (221) is movably sleeved in the sleeve hole (236), while the piston disc (223) is attached to the bottom of the limiting disc (235) at a set height.
5. A pharmaceutical sampling device with measuring function according to claim 4, characterized in that: The connecting rod structure (234) includes an L-shaped rod (2341) fixed on the slide rail plate (233), a connecting cylinder (2342) fixed at one end of the L-shaped rod (2341), an extension rod (2343) movably sleeved inside the connecting cylinder (2342), and one end of the extension rod (2343) fixed on the limiting plate (235).
6. A pharmaceutical sampling device with measuring function according to claim 5, characterized in that: An adjusting ring (2344) is rotatably connected to the connecting cylinder (2342), and the adjusting ring (2344) is threaded to the side of one end of the extension rod (2343).
7. A pharmaceutical sampling device with measuring function according to claim 5, characterized in that: The slide rail plate (233) has a positioning button (237) threadedly connected to its side. The surface of the slide rail (231) has a positioning groove (232) along its length direction. One end of the positioning button (237) is movably connected in the positioning groove (232).