CN219657259U - Medicine quality detection sampling device - Google Patents
Medicine quality detection sampling device Download PDFInfo
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- CN219657259U CN219657259U CN202322123378.8U CN202322123378U CN219657259U CN 219657259 U CN219657259 U CN 219657259U CN 202322123378 U CN202322123378 U CN 202322123378U CN 219657259 U CN219657259 U CN 219657259U
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- Prior art keywords
- buffer
- sampling
- pipeline
- tank
- tube
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- 238000005070 sampling Methods 0.000 title claims abstract description 88
- 239000003814 drug Substances 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 229940079593 drug Drugs 0.000 title claims abstract description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 60
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 28
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 9
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 12
- 230000002265 prevention Effects 0.000 claims description 6
- 238000012372 quality testing Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to the technical field of medicine quality detection, in particular to a medicine quality detection sampling device. Medicine quality testing sampling device, including the protective tank, the protective tank passes through connecting tube and links to each other with the buffer tank, the buffer tank passes through buffer tube and links to each other with the sample tank, be connected with out appearance pipeline and sampling tube on the sample tank, go out the sampling tube and go deep into sample tank bottom, be equipped with the nitrogen gas entry on the sampling tube, be equipped with anti-return pressure stabilizing mouth on the buffer tube, be equipped with sealed lid on the sample tank, the protective tank has the vacuum pump through going out protective tank pipe connection. The device is provided with the vacuum pump and the nitrogen pipeline, and air in the device is replaced before sampling, so that the problem that air exists in the device before sampling is avoided, and the detection quality is improved.
Description
Technical Field
The utility model relates to the technical field of medicine quality detection, in particular to a medicine quality detection sampling device.
Background
The medicine quality detection sampling device is mostly used for detecting medicine performance, and unqualified medicines are prevented from flowing into the market. In the detection of solutions prepared from liquid or solid drugs, special sampling devices are generally required.
Patent application CN209727530U, publication time 2019.12.03. The utility model discloses an extraction device that medicine quality management used, including the fixed plate, the top fixed mounting of fixed plate has power and miniature water pump, miniature water pump passes through the interface contact of power cord and power, miniature water pump's the fixed intercommunication of pumping mouth has the connecting pipe, the other end fixed mounting of connecting pipe has the seal shell, the inner wall of seal shell is equipped with the internal thread. However, the sample to be measured is sucked only by vacuum, and air in the sucking device is not replaced in advance, so that the sample to be measured is possibly oxidized.
To sum up, the prior art can sample the liquid sample through vacuum, but there is the problem that the air in the extraction device is not replaced before sampling, and during sampling, the sample which is just taken out often has the accidental performance, the intermediate quantity of the liquid to be detected should be selected for sampling detection, and the prior art does not solve the problem.
Disclosure of Invention
According to the defects in the prior art, the utility model aims to provide the medicine quality detection sampling device, and the air in the device is replaced before sampling by arranging the vacuum pump and the nitrogen pipeline, so that the problem that the air exists in the device before sampling is avoided, and the detection quality is improved; through the setting of buffer tank for the sample that awaits measuring that takes out earlier gets into the buffer tank, has avoided the inaccurate problem of sample.
The utility model is realized by adopting the following technical scheme:
medicine quality testing sampling device, including the protective tank, the protective tank passes through connecting tube and links to each other with the buffer tank, the buffer tank passes through buffer tube and links to each other with the sample tank, be connected with out appearance pipeline and sampling tube on the sample tank, go out the sampling tube and go deep into sample tank bottom, be equipped with the nitrogen gas entry on the sampling tube, be equipped with anti-return pressure stabilizing mouth on the buffer tube, be equipped with sealed lid on the sample tank, the protective tank has the vacuum pump through going out protective tank pipe connection. The protection tank, the buffer tank and the sampling tank are all closed tanks.
The vacuum pump is used for providing negative pressure state and power for the device; the protective tank is used for preventing the sample to be tested from being sucked into the vacuum pump; the buffer tank is used for temporarily storing the first sucked sample to be tested; the nitrogen in the nitrogen inlet is used for providing power for taking out the sample to be tested in the sampling tank.
The buffer pipeline is of an inverted U shape, and the backflow prevention pressure stabilizing port is positioned in the buffer tank.
The sealing plug is arranged at the joint of the buffer pipeline and the sealing cover, and the buffer pipeline is provided with a buffer pipeline valve.
The sealing cover is provided with a supporting seat, the supporting seat is provided with a thin supporting column, and the thin supporting column is provided with an elastic movable pin.
The thin support column on swing joint have thick support column, be equipped with the fixed orifices on the thick support column, be equipped with the buffering pipeline snap ring on the thick support column, the buffering pipeline snap ring is located on the buffering pipeline.
The elastic movable pin moves up and down in the radial direction of the thin support column, the diameter of the elastic movable pin is smaller than that of the fixing hole, and the fixing hole is nested outside the elastic movable pin.
The sampling tube is provided with a sampling tube valve.
The nitrogen inlet is connected with a nitrogen pipeline, and a nitrogen pipeline valve is arranged on the nitrogen pipeline.
And a sample outlet pipeline valve is arranged on the sample outlet pipeline.
The working principle of the utility model is as follows:
the buffer pipeline is adjusted to be deep into the height of the sampling tank through the fixed hole and the elastic movable pin, so that the purpose of quantitative sampling is achieved. The movable pin with elasticity can move up and down in the radial direction of the thin support column, the movable pin with elasticity is pressed down, the corresponding fixing hole is selected, then the movable pin with elasticity is sprung up, the thick support column and the thin support column are fixed, and the inner diameter of the thick support column is larger than the outer diameter of the thin support column. Opening a nitrogen pipeline valve, closing a sampling pipeline valve and a sampling pipeline valve, then opening a vacuum pump to replace gas in a sampling device, closing the nitrogen pipeline valve after replacement is completed, extending the sampling pipeline into a sample to be tested, opening the sampling pipeline valve to sample, gradually sucking the sample entering the sampling device into a buffer tank, and sequentially closing the sampling pipeline valve and the buffer pipeline valve after the sampling is completed; and sequentially opening a nitrogen pipeline valve and a sampling pipeline valve, and extruding a sample to be tested out of the sampling device through nitrogen. The backflow prevention pressure stabilizing port is used for avoiding backflow of the sample to be detected, when the liquid level in the buffer tank is in contact with the buffer pipeline, if the pressure in the sampling tank is larger than that in the buffer tank, the backflow of the sample to be detected is easy to occur, and the accuracy of later detection is affected.
Compared with the prior art, the utility model has the beneficial effects that:
by adopting the medicine quality detection sampling device, the air in the device is replaced before sampling by arranging the vacuum pump and the nitrogen pipeline, so that the problem that the air exists in the device before sampling is avoided, and the detection quality is improved; through the arrangement of the buffer tank, the sample to be detected which is taken out firstly enters the buffer tank, so that the problem of inaccurate sampling is avoided; through the cooperation of thick support column, fixed orifices, thin support column and take elastic movable pin to use, realized quantitative sampling, promoted the degree of accuracy of sampling.
Drawings
FIG. 1 is a schematic diagram of a medicine quality detecting and sampling device according to the present utility model;
FIG. 2 is an enlarged view of the utility model at A in FIG. 1;
FIG. 3 is a top view of the seal cap of the present utility model;
in the figure: 1. a protective tank; 2. a buffer tank; 3. a sampling tank; 4. a vacuum pump; 5. a pipeline from the protection tank; 6. a connecting pipe; 7. a buffer pipe; 8. a backflow prevention pressure stabilizing port; 9. a sample outlet pipeline; 10. a sampling pipe valve; 11. a sampling tube; 12. a sampling tube valve; 13. a nitrogen inlet; 14. a nitrogen gas pipe; 15. a nitrogen pipeline valve; 16. sealing cover; 17. a sealing plug; 18. a buffer pipeline valve; 19. buffer pipe clasp; 20. coarse support columns; 21. a fixing hole; 22. a support base; 23. a thin support column; 24. a movable pin with elasticity.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects and technical solutions of the present utility model more apparent.
Example 1
As shown in fig. 1, the medicine quality detection sampling device comprises a protection tank 1, wherein the protection tank 1 is connected with a buffer tank 2 through a connecting pipeline 6, the buffer tank 2 is connected with a sampling tank 3 through a buffer pipeline 7, a sample outlet pipeline 9 and a sampling pipe 11 are connected to the sampling tank 3, the sample outlet pipeline 9 penetrates into the bottom of the sampling tank 3, a nitrogen inlet 13 is arranged on the sampling pipe 11, a backflow prevention pressure stabilizing port 8 is arranged on the buffer pipeline 7, a sealing cover 16 is arranged on the sampling tank 3, and the protection tank 1 is connected with a vacuum pump 4 through the sample outlet protection tank pipeline 5. The protection tank 1, the buffer tank 2 and the sampling tank 3 are all closed tanks. The buffer pipeline 7 is of an inverted U shape, and the backflow prevention pressure stabilizing port 8 is positioned in the buffer tank 2. As shown in fig. 2-3, a sealing plug 17 is arranged at the joint of the buffer pipeline 7 and the sealing cover 16, and a buffer pipeline valve 18 is arranged on the buffer pipeline 7. The sealing cover 16 is provided with a supporting seat 22, the supporting seat 22 is provided with a thin supporting column 23, and the thin supporting column 23 is provided with an elastic movable pin 24. The thin support column 23 is movably connected with a thick support column 20, a fixing hole 21 is formed in the thick support column 20, a buffer pipeline clamping ring 19 is arranged on the thick support column 20, and the buffer pipeline clamping ring 19 is arranged on the buffer pipeline 7. The elastic movable pin 24 moves up and down in the radial direction of the thin support column 23, the diameter of the elastic movable pin 24 is smaller than that of the fixed hole 21, and the fixed hole 21 is nested outside the elastic movable pin 24. The sampling tube 11 is provided with a sampling tube valve 12. The nitrogen inlet 13 is connected with a nitrogen pipeline 14, and the nitrogen pipeline 14 is provided with a nitrogen pipeline valve 15. The sample outlet pipeline 9 is provided with a sample outlet pipeline valve 10.
The medicine quality detection sampling device comprises the following steps in operation:
(1) The height of the buffer pipeline 7 penetrating into the sampling tank 3 is adjusted through the fixed hole 21 and the elastic movable pin 24, so that the purpose of quantitative sampling is achieved; (2) Opening a nitrogen pipeline valve 15, closing a sampling pipeline valve 10 and a sampling pipeline valve 12, opening a vacuum pump 4, replacing gas in a sampling device, closing the nitrogen pipeline valve 15 after replacement, placing a sampling pipe into a sample to be tested, opening the sampling pipeline valve 12, sampling, gradually sucking a sample entering the sampling device into a buffer tank 2, and sequentially closing the sampling pipeline valve 12 and a buffer pipeline valve 18 after sampling is finished; (3) Then the nitrogen pipeline valve 15 and the outlet pipeline valve 10 are sequentially opened, and the sample to be tested is pressed out of the sampling device through nitrogen.
Claims (9)
1. Drug quality detects sampling device, a serial communication port, including protective housing (1), protective housing (1) links to each other with buffer tank (2) through connecting tube (6), buffer tank (2) link to each other with sample tank (3) through buffer tube (7), be connected with out appearance pipeline (9) and sampling tube (11) on sample tank (3), go out appearance pipeline (9) and go deep into sample tank (3) bottom, be equipped with nitrogen gas entry (13) on sampling tube (11), be equipped with anti-return voltage stabilizing mouth (8) on buffer tube (7), be equipped with sealed lid (16) on sample tank (3), protective housing (1) are connected with vacuum pump (4) through going out protective housing pipeline (5).
2. The medicine quality detection sampling device according to claim 1, wherein the buffer pipeline (7) is of an inverted U shape, and the backflow prevention pressure stabilizing port (8) is positioned in the buffer tank (2).
3. Drug quality detection sampling device according to claim 1, characterized in that the junction of the buffer tube (7) and the sealing cover (16) is provided with a sealing plug (17), and the buffer tube (7) is provided with a buffer tube valve (18).
4. Drug quality detection sampling device according to claim 1, characterized in that the sealing cover (16) is provided with a supporting seat (22), the supporting seat (22) is provided with a thin supporting column (23), and the thin supporting column (23) is provided with an elastic movable pin (24).
5. The medicine quality detection sampling device according to claim 4, wherein the thin support column (23) is movably connected with a thick support column (20), a fixing hole (21) is formed in the thick support column (20), a buffer pipeline clamping ring (19) is arranged on the thick support column (20), and the buffer pipeline clamping ring (19) is arranged on the buffer pipeline (7).
6. The medicine quality detecting and sampling device according to claim 5, wherein the elastic movable pin (24) moves up and down in the radial direction of the thin support column (23), the diameter of the elastic movable pin (24) is smaller than that of the fixed hole (21), and the fixed hole (21) is nested outside the elastic movable pin (24).
7. The medicine quality detection sampling device according to claim 1, wherein the sampling tube (11) is provided with a sampling tube valve (12).
8. The medicine quality detection sampling device according to claim 1, wherein the nitrogen inlet (13) is connected with a nitrogen pipeline (14), and the nitrogen pipeline (14) is provided with a nitrogen pipeline valve (15).
9. The medicine quality detection sampling device according to claim 1, wherein the sampling pipe (9) is provided with a sampling pipe valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322123378.8U CN219657259U (en) | 2023-08-09 | 2023-08-09 | Medicine quality detection sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322123378.8U CN219657259U (en) | 2023-08-09 | 2023-08-09 | Medicine quality detection sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219657259U true CN219657259U (en) | 2023-09-08 |
Family
ID=87860872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322123378.8U Active CN219657259U (en) | 2023-08-09 | 2023-08-09 | Medicine quality detection sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219657259U (en) |
-
2023
- 2023-08-09 CN CN202322123378.8U patent/CN219657259U/en active Active
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