Precipitation-preventing sample reserving device for drug detection
By designing a sample retention cylinder with stirring and cleaning functions, the problem of sticking and precipitation of the drug liquid on the inner wall of the device is solved, and a more efficient sample retention and cleaning effect of the drug liquid is achieved.
Patent Information
- Application Number
- CN202421256431.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-04
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-06-04
AI Technical Summary
When used in the existing sample retention device for drug testing, the sampled liquid will easily stick to the inner wall of the sample retention device and will be inconvenient for cleaning, resulting in contamination and precipitation of the liquid.
A device including a sample retention cylinder and a sampling test tube is designed. The sample retention cylinder is fixedly connected with a partition plate and a first motor. The rotating shaft and the stirring plate are driven by the first motor to complete the stirring of the drug liquid and the inner wall cleaning to prevent the precipitation of the drug liquid.
Effectively prevent the liquid from sticking and precipitating on the inner wall of the sample retention tube, improve the sample retention effect of the liquid, and avoid contamination of the liquid.
Smart Images

Figure CN222895974U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of drug sampling, in particular to a sample retaining device for drug detection which can prevent precipitation. Background Art
[0002] The sample retention device for drug testing is mainly used to sample the drugs that need to be tested, and then bring the drugs into the testing room for testing, making it convenient to carry and transfer the drug solution.
[0003] After searching, the utility model patent with Chinese patent publication number CN111458211A discloses a sample retention device for drug detection to prevent precipitation, including a sample retention device body, a rubber head, a handle, a label area, a switch button, a connecting line and a sealing cap. The top of the sample retention device body is bolted with an upper sealing plate, and a connecting sleeve is welded on the top of the upper sealing plate, and a threaded groove is provided inside the connecting sleeve, and the threaded groove is connected to the connecting head on the rubber head. A sampling tube is arranged at the lower part of the connecting head, a motor is arranged at the middle part of the lower end of the fixed plate, a connecting plate is welded above the rotating plate, and a stirring piece is welded on the outer side of the connecting plate, and the connecting plate is connected to the fixed sleeve bearing through a circular ring at its top, and a sealing gasket is arranged at the lower part of the threaded groove. Although the device stirs the sampled liquid through the rotation of multiple stirring pieces, in actual use, the sampled liquid will stick to the inner wall of the sample retention device, and it is inconvenient to clean the inner wall of the sample retention device, which easily causes the phenomenon of contamination of the sampled liquid. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies of the prior art, the utility model provides a sample retaining device for drug testing which can prevent precipitation.
[0006] (II) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sample retention device for drug testing to prevent precipitation, comprising a sample retention cylinder and a sampling test tube, wherein a partition is fixedly connected to the interior of the sample retention cylinder, a first motor is fixedly connected to the bottom end of the interior of the sample retention cylinder, a rotating shaft is fixedly connected to the output end of the first motor, the top end of the rotating shaft extends to the top end of the partition, and a stirring and cleaning mechanism is fixedly installed on the outer wall of the rotating shaft;
[0008] The top of the sample retaining tube is fixedly connected with a cover plate, the top of the cover plate is provided with a rotating through hole, the top of the cover plate is fixedly connected with a threaded tube, the outer wall of the threaded tube is threaded with a threaded sleeve, the top of the threaded sleeve is fixedly connected with a rotating sleeve, and the outer wall of the sampling test tube is fixedly connected with two limiting blocks, one end of the two limiting blocks is in contact with the bottom end of the rotating sleeve respectively;
[0009] A liquid discharge pipe is installed at one end of the sample retaining tube.
[0010] Preferably, the stirring and cleaning mechanism includes two stirring plates, one end of the two stirring plates are respectively fixedly connected to the outer wall of the rotating shaft, a sampling groove is opened at the top of the rotating shaft, sampling through grooves are opened at both ends of the sampling groove, two fixed plates are fixedly connected to the outer wall of the rotating shaft, a cleaning plate is fixedly connected between the two fixed plates, and a cleaning scraper is fixedly connected to one end of the two cleaning plates.
[0011] Furthermore, an observation window is provided at one end of the sample retaining tube, and an observation glass is installed inside the observation window.
[0012] Furthermore, one end of the sample retaining tube is fixedly connected to a hand handle.
[0013] Based on the above, a mounting door is installed at one end of the sample retaining tube, and a door handle is fixedly connected to one end of the mounting door.
[0014] Further on the basis of the above, one end of the two stirring plates is provided with a plurality of stirring through holes.
[0015] (III) Beneficial effects
[0016] Compared with the prior art, the utility model provides a sample retention device for drug testing that prevents precipitation, which has the following beneficial effects:
[0017] The sample retaining device for drug testing that prevents precipitation is implemented by pouring the sample solution into the interior of the sample retaining tube. When the first motor is powered on and started, the output end of the first motor drives the rotating shaft to rotate. The rotating shaft drives the stirring plate to rotate during the rotation process and completes the stirring of the sample solution. The rotating shaft drives the fixed plate and the cleaning plate to rotate, and the cleaning scraper cleans the inner wall of the sample retaining tube, thereby further preventing the sample solution from precipitating and avoiding the solution from adhering to the inner wall of the sample retaining tube, thereby further improving the effect of retaining the sample of the solution. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the front view structure of the utility model;
[0019] Figure 2It is a schematic diagram of the front cross-sectional structure of the threaded sleeve of the utility model;
[0020] Figure 3 This is a schematic diagram of the front cross-sectional structure of the sample retaining tube of the utility model;
[0021] Figure 4 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.
[0022] In the figure: 1. sample cylinder; 2. sampling test tube; 3. partition; 4. first motor; 5. rotating shaft; 6. cover plate; 7. threaded cylinder; 8. threaded sleeve; 9. rotating sleeve; 10. limiting block; 11. drain pipe; 12. stirring plate; 13. fixing plate; 14. cleaning plate; 15. cleaning scraper; 16. hand grip; 17. installation door; 18. door handle. DETAILED DESCRIPTION
[0023] See also Figure 1-4 , a sample retention device for drug detection to prevent precipitation, comprising a sample retention tube 1 and a sampling test tube 2, a partition 3 is fixedly connected inside the sample retention tube 1, a first motor 4 is fixedly connected to the bottom end of the sample retention tube 1, a rotating shaft 5 is fixedly connected to the output end of the first motor 4, the top of the rotating shaft 5 extends to the top of the partition 3, a stirring and cleaning mechanism is fixedly installed on the outer wall of the rotating shaft 5, the stirring and cleaning mechanism comprises two stirring plates 12, one end of the two stirring plates 12 is respectively fixedly connected to the outer wall of the rotating shaft 5, a sampling groove is opened at the top of the rotating shaft 5, and sampling through grooves are opened at both ends of the sampling groove, two fixed plates 13 are fixedly connected to the outer wall of the rotating shaft 5, a cleaning plate 14 is fixedly connected between the two fixed plates 13, and one end of the two cleaning plates 14 is fixedly connected to a cleaning scraper 15, the top of the sample retention tube 1 is fixedly connected to a cover plate 6, a rotating through hole is opened at the top of the cover plate 6, and the top of the cover plate 6 is fixed It is connected with a threaded barrel 7, a threaded sleeve 8 is screwed on the outer wall of the threaded barrel 7, and a rotating sleeve 9 is fixedly connected to the top of the threaded sleeve 8. Two limiting blocks 10 are fixedly connected to the outer wall of the sampling test tube 2, and one end of the two limiting blocks 10 is respectively in contact with the bottom end of the rotating sleeve 9. A discharge pipe 11 is installed at one end of the sample retention barrel 1. By pouring the sample liquid into the interior of the sample retention barrel 1, and when the first motor 4 is powered on and started, the output end of the first motor 4 will drive the rotating shaft 5 to rotate, and the rotating shaft 5 will drive the stirring plate 12 to rotate during the rotation process, and complete the stirring treatment of the sample liquid, and the fixed plate 13 and the cleaning plate 14 are driven to rotate through the rotating shaft 5, and the inner wall of the sample retention barrel 1 is cleaned by the cleaning scraper 15, so as to further prevent the sample liquid from precipitating, and avoid the situation that the liquid sticks to the inner wall of the sample retention barrel 1, so as to further improve the effect of retaining the sample of the liquid.
[0024] It should also be noted that an observation window is provided at one end of the sample tube 1, and an observation glass is installed inside the observation window, which makes it more convenient to check the interior of the sample tube 1. A hand handle 16 is fixedly connected to one end of the sample tube 1, which makes it more convenient to take and put the sample tube 1. An installation door 17 is installed at one end of the sample tube 1, and a door handle 18 is fixedly connected to one end of the installation door 17. A plurality of stirring holes are provided at one end of the two stirring plates 12 to improve the stirring effect of the stirring plates 12 on the medicinal solution.
[0025] In summary, when the sample retention device for drug testing that prevents precipitation is used, the sample solution is first poured into the interior of the sample retention tube 1, and when the first motor 4 is powered on and started, the output end of the first motor 4 will drive the rotating shaft 5 to rotate, and the rotating shaft 5 will drive the stirring plate 12 to rotate during the rotation process, and complete the stirring treatment of the sample solution, and the rotating shaft 5 drives the fixed plate 13 and the cleaning plate 14 to rotate, and the cleaning scraper 15 is used to clean the inner wall of the sample retention tube 1, and after the sampling test tube 2 is inserted into the interior of the sampling groove, the sampling treatment of the sample solution can be completed, and after the threaded sleeve 8 and the threaded tube 7 are screwed together, the position of the sampling test tube 2 is fixed.
Claims
1. A sample retention device for drug testing to prevent precipitation, comprising a sample retention cylinder (1) and a sampling test tube (2), characterized in that: The interior of the sample retaining cylinder (1) is fixedly connected to a partition (3); the bottom end of the interior of the sample retaining cylinder (1) is fixedly connected to a first motor (4); the output end of the first motor (4) is fixedly connected to a rotating shaft (5); the top end of the rotating shaft (5) extends to the top end of the partition (3); and a stirring and cleaning mechanism is fixedly installed on the outer wall of the rotating shaft (5); The top end of the sample retaining tube (1) is fixedly connected to a cover plate (6), the top end of the cover plate (6) is provided with a rotation through hole, the top end of the cover plate (6) is fixedly connected to a threaded tube (7), the outer wall of the threaded tube (7) is threaded with a threaded sleeve (8), the top end of the threaded sleeve (8) is fixedly connected to a rotation sleeve (9), and the outer wall of the sampling test tube (2) is fixedly connected to two limiting blocks (10), one end of the two limiting blocks (10) is respectively in contact with the bottom end of the rotation sleeve (9); A liquid discharge pipe (11) is installed at one end of the sample retaining cylinder (1).
2. A sample retention device for drug testing to prevent precipitation according to claim 1, characterized in that: The stirring and cleaning mechanism comprises two stirring plates (12), one end of each of the two stirring plates (12) is fixedly connected to the outer wall of the rotating shaft (5), the top end of the rotating shaft (5) is provided with a sampling groove, both ends of the sampling groove are provided with sampling through grooves, two fixed plates (13) are fixedly connected to the outer wall of the rotating shaft (5), a cleaning plate (14) is fixedly connected between the two fixed plates (13), and one end of each of the two cleaning plates (14) is fixedly connected to a cleaning scraper (15).
3. A sample retention device for drug testing to prevent precipitation according to claim 2, characterized in that: An observation window is provided at one end of the sample retaining tube (1), and an observation glass is installed inside the observation window.
4. A sample retention device for drug testing to prevent precipitation according to claim 3, characterized in that: One end of the sample retaining tube (1) is fixedly connected to a hand-held handle (16).
5. A sample retention device for drug testing to prevent precipitation according to claim 4, characterized in that: A mounting door (17) is installed at one end of the sample retaining cylinder (1), and a door handle (18) is fixedly connected to one end of the mounting door (17).
6. A sample retention device for drug testing to prevent precipitation according to claim 5, characterized in that: One end of the two stirring plates (12) is provided with a plurality of stirring through holes.
Citation Information
Patent Citations
Anti-precipitation sample reserving device for drug detection
CN111458211A