CN213336944U - Novel high accuracy pharmacy experiment sample device - Google Patents
Novel high accuracy pharmacy experiment sample device Download PDFInfo
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- CN213336944U CN213336944U CN202022749651.4U CN202022749651U CN213336944U CN 213336944 U CN213336944 U CN 213336944U CN 202022749651 U CN202022749651 U CN 202022749651U CN 213336944 U CN213336944 U CN 213336944U
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- sampling tube
- threaded rod
- piston
- fixedly connected
- sampling
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- 238000002474 experimental method Methods 0.000 title claims abstract description 20
- 238000005070 sampling Methods 0.000 claims abstract description 119
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 229940079593 drug Drugs 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000010170 biological method Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229940121657 clinical drug Drugs 0.000 description 1
- 238000007905 drug manufacturing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000013048 microbiological method Methods 0.000 description 1
- 238000005220 pharmaceutical analysis Methods 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The utility model discloses a novel high accuracy pharmacy experiment sampling device, including first sampling tube, first sampling tube bottom fixedly connected with pipette, first sampling tube inside is equipped with first piston, first piston and first sampling tube inner wall phase-match, the first dog of first sampling tube top fixedly connected with, first through-hole has been seted up at first dog top. The utility model discloses a be equipped with first sampling tube and second sampling tube, the first rotatory piece of volume rotation earlier of as required sample, make first threaded rod drive the rotatory ascension of first piston, absorb a large amount of liquid with first sampling tube, then rotatory second rotatory piece, make the second threaded rod drive the rotatory ascension of second piston, absorb remaining a small amount of liquid with the second sampling tube, realize that the accurate absorption waits to get liquid, this device has realized effectively controlling the extraction volume, the precision is improved, the production of error has been avoided, the accuracy of experiment has been guaranteed effectively.
Description
Technical Field
The utility model relates to a pharmacy experiment technical field, concretely relates to novel high accuracy pharmacy experiment sample device.
Background
The pharmaceutical analysis is a subject to study the quality of synthetic or natural drugs and their preparations with well-defined chemical structures by using chemical, physical, biological and microbiological methods and techniques, and includes chemical inspection of finished drugs, quality control of drug production process, quality inspection of drug storage process, clinical drug analysis and in vivo drug analysis.
However, the sampling device in the laboratory at present realizes the sampling of reagent through artifical pulling piston, and the error is great, and the precision is lower, and is great to the experimental result influence, probably causes the experiment failure.
Therefore, it is necessary to invent a new high-precision sampling device for pharmaceutical experiment to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel high accuracy pharmacy experiment sampling device, through being equipped with first sampling tube and second sampling tube, first threaded rod and first piston fixed connection, second threaded rod and second piston fixed connection, the first rotatory piece of volume rotatory earlier of as required sample, make first threaded rod drive the rotatory rise of first piston, absorb a large amount of liquid with first sampling tube, then rotatory second rotatory piece, make the second threaded rod drive the rotatory rise of second piston, absorb a small amount of remaining liquid with the second sampling tube, realize that the accurate absorption is waited to get liquid, this device has realized the control of extraction volume effectively, the precision is improved, the production of error has been avoided, the accuracy of experiment has been guaranteed effectively, with the above-mentioned weak point in the solution technique.
In order to achieve the above object, the present invention provides the following technical solutions: a novel high-precision sampling device for pharmaceutical experiments comprises a first sampling tube, wherein the bottom of the first sampling tube is fixedly connected with a pipette, a first piston is arranged in the first sampling tube, the first piston is matched with the inner wall of the first sampling tube, the top of the first sampling tube is fixedly connected with a first stop block, the top of the first stop block is provided with a first through hole, a first threaded rod is arranged in the first through hole, the bottom of the first threaded rod is fixedly connected with the top of the first piston, an internal thread is arranged in the first through hole, an external thread is arranged on the outer surface of the first threaded rod, the internal thread is matched with the external thread, the top of the first threaded rod is fixedly connected with a first rotating block, one side of the first sampling tube is provided with a second sampling tube, the second sampling tube is communicated with the first sampling tube, and the inside of the second sampling tube is provided with a second piston, the second piston is matched with the inner wall of the second sampling pipe, a second stop block is fixedly connected to the top of the second sampling pipe, a second through hole is formed in the top of the second stop block, a second threaded rod is arranged inside the second through hole, the bottom of the second threaded rod is fixedly connected with the top of the second piston, an internal thread is arranged inside the second through hole, an external thread is arranged on the outer surface of the second threaded rod, the internal thread is matched with the external thread, and a second rotating block is fixedly connected to the top of the second threaded rod.
Preferably, the first sampling pipe surface is equipped with first scale, the second sampling pipe surface is equipped with the second scale.
Preferably, the first threaded rod makes one rotation to set a suction liquid volume to 1ml, and the second threaded rod makes one rotation to set a suction liquid volume to 0.1 ml.
Preferably, the first sampling tube and the second sampling tube are both made of transparent plastic materials, and the inner walls of the first sampling tube and the second sampling tube are both smooth surfaces.
Preferably, first sampling tube one side fixedly connected with handle, first sampling tube one side is provided with the antiskid burr.
Preferably, the outer surface of the pipette is fixedly connected with a stabilizing block, and the top of the stabilizing block is fixedly connected with the bottom of the first sampling tube.
In the technical scheme, the utility model provides a technological effect and advantage:
through being equipped with first sampling tube and second sampling tube, first threaded rod and first piston fixed connection, second threaded rod and second piston fixed connection, the first rotatory piece of volume of taking a sample as required rotates earlier, make first threaded rod drive the rotatory rise of first piston, absorb a large amount of liquid with first sampling tube, then rotatory second rotatory piece, make the second threaded rod drive the rotatory rise of second piston, absorb remaining a small amount of liquid with the second sampling tube, realize that the accurate absorption waits to get liquid, the device has realized the control to the extraction volume effectively, the precision is improved, the production of error has been avoided, the accuracy of experiment has been guaranteed effectively.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a sectional view of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
fig. 4 is an enlarged view of a portion B of fig. 2 according to the present invention.
Description of reference numerals:
1. a first sampling tube; 2. a pipette; 3. a first piston; 4. a first stopper; 5. a first through hole; 6. a first threaded rod; 7. a first rotating block; 8. a second sampling tube; 9. a second piston; 10. a second stopper; 11. a second through hole; 12. a second threaded rod; 13. a second rotating block; 14. a first scale; 15. a second scale; 16. a handle; 17. and (6) stabilizing the block.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The utility model provides a novel high-precision sampling device for pharmaceutical experiment as shown in figures 1-4, which comprises a first sampling tube 1, wherein the bottom of the first sampling tube 1 is fixedly connected with a pipette 2, a first piston 3 is arranged inside the first sampling tube 1, the first piston 3 is matched with the inner wall of the first sampling tube 1, the top of the first sampling tube 1 is fixedly connected with a first stop block 4, the top of the first stop block 4 is provided with a first through hole 5, a first threaded rod 6 is arranged inside the first through hole 5, the bottom of the first threaded rod 6 is fixedly connected with the top of the first piston 3, an internal thread is arranged inside the first through hole 5, the outer surface of the first threaded rod 6 is provided with an external thread, the internal thread is matched with the external thread, the top of the first threaded rod 6 is fixedly connected with a first rotating block 7, one side of the first sampling tube 1 is provided with a second sampling tube 8, the second sampling tube 8 is communicated with the first sampling tube 1, a second piston 9 is arranged in the second sampling tube 8, the second piston 9 is matched with the inner wall of the second sampling tube 8, a second stop block 10 is fixedly connected to the top of the second sampling tube 8, a second through hole 11 is formed in the top of the second stop block 10, a second threaded rod 12 is arranged in the second through hole 11, the bottom of the second threaded rod 12 is fixedly connected with the top of the second piston 9, an internal thread is arranged in the second through hole 11, an external thread is arranged on the outer surface of the second threaded rod 12, the internal thread is matched with the external thread, a second rotating block 13 is fixedly connected to the top of the second threaded rod 12, when the sampling tube 2 is inserted into a liquid to be sampled, the first rotating block 7 is rotated according to the volume to be sampled, so that the first threaded rod 6 drives the first piston 3 to rotate and rise, absorb a large amount of liquid with first sampling tube 1, then rotatory second rotatory piece 13, make second threaded rod 12 drive second piston 9 rotatory rising, absorb remaining a small amount of liquid with second sampling tube 8, then the rotatory piece 13 of reverse rotation second, make liquid in the second sampling tube 8 discharge by pipette 2, then the first rotatory piece 7 of reverse rotation, make liquid in the first sampling tube 1 discharge by pipette 2, then the accurate absorption is waited to get liquid, the device has realized the control of extraction volume effectively, the precision is improved, the production of error has been avoided, the accuracy of experiment has been guaranteed effectively.
Further, in above-mentioned technical scheme, first scale 14 is equipped with on the first sampling tube 1 surface, second scale 15 is equipped with on the second sampling tube 8 surface, and first scale 14 and second scale 15 conveniently read the volume of absorbing liquid.
Further, in the above technical scheme, the volume of the liquid sucked by the first threaded rod 6 rotating one turn is set to be 1ml, the volume of the liquid sucked by the second threaded rod 12 rotating one turn is set to be 0.1ml, the first rotating block 7 is rotated first according to the volume to be sampled, the first threaded rod 6 drives the first piston 3 to rotate and rise, the first sampling tube 1 is used for sucking a large amount of liquid, then the second rotating block 13 is rotated, the second threaded rod 12 drives the second piston 9 to rotate and rise, the second sampling tube 8 is used for sucking the remaining small amount of liquid, for example, 6.8ml of liquid needs to be sucked, the first rotating block 7 is rotated first for six turns, the first sampling tube 1 is used for sucking 6ml of liquid, then the second rotating block 13 is rotated for eight turns, the second sampling tube 8 is used for sucking 0.8ml of liquid, 6.8ml of liquid can be sucked accurately, and accurate suction of the liquid to be sucked is.
Further, in above-mentioned technical scheme, first sampling tube 1 and second sampling tube 8 are made by transparent plastic material, first sampling tube 1 and 8 inner walls of second sampling tube all set up to the smooth surface, and first sampling tube 1 and second sampling tube 8 that transparent plastic material made are convenient for comparing first scale 14 and second scale 15, and first sampling tube 1 and 8 inner walls of second sampling tube all set up to the smooth surface and ensure the precision of sample, make things convenient for liquid to discharge.
Further, in above-mentioned technical scheme, first sampling tube 1 one side fixedly connected with handle 16, first sampling tube 1 one side is provided with anti-skidding burr, and when using, a hand passes handle 16 and tightly grips first sampling tube 1, is equipped with handle 16 and makes things convenient for this device to carry and use, is equipped with anti-skidding burr increase frictional force, prevents this device landing.
Further, in the above technical scheme, the outer surface of the pipette 2 is fixedly connected with a stabilizing block 17, the top of the stabilizing block 17 is fixedly connected with the bottom of the first sampling tube 1, and the stabilizing block 17 is arranged to improve the stability of the pipette 2.
This practical theory of operation:
referring to the attached drawings 1-4 of the specification, in use, one hand passes through the handle 16 to tightly hold the first sampling tube 1, then the pipette 2 is inserted into the liquid to be sampled, the first rotating block 7 is rotated according to the volume to be sampled, the first threaded rod 6 drives the first piston 3 to rotate and rise, the first sampling tube 1 is used for sucking a large amount of liquid, then the second rotating block 13 is rotated, the second threaded rod 12 drives the second piston 9 to rotate and rise, the second sampling tube 8 is used for sucking the residual small amount of liquid, such as 6.8ml of liquid, the pipette is rotated by six circles, the first rotating block 7 is used for sucking 6ml of liquid by the first sampling tube 1, then the second rotating block 13 is rotated by eight circles, the second sampling tube 8 is used for sucking 0.8ml of liquid, 6.8ml of liquid can be accurately sucked, then the second rotating block 13 is rotated reversely, the liquid in the second sampling tube 8 is discharged from the second sampling tube 2, and then the first rotating block 7 is rotated reversely, the liquid in the first sampling tube 1 is discharged from the pipette 2, and the liquid to be taken is accurately aspirated.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (6)
1. The utility model provides a novel high accuracy pharmacy experiment sampling device, includes first sampling tube (1), its characterized in that: the bottom of the first sampling tube (1) is fixedly connected with a pipette (2), a first piston (3) is arranged in the first sampling tube (1), the first piston (3) is matched with the inner wall of the first sampling tube (1), a first stop block (4) is fixedly connected with the top of the first sampling tube (1), a first through hole (5) is formed in the top of the first stop block (4), a first threaded rod (6) is arranged in the first through hole (5), the bottom of the first threaded rod (6) is fixedly connected with the top of the first piston (3), an internal thread is arranged in the first through hole (5), an external thread is arranged on the outer surface of the first threaded rod (6), the internal thread is matched with the external thread, a first rotating block (7) is fixedly connected with the top of the first threaded rod (6), a second sampling tube (8) is arranged on one side of the first sampling tube (1), second sampling tube (8) are linked together with first sampling tube (1), second piston (9) are equipped with to second sampling tube (8) inside, second piston (9) and second sampling tube (8) inner wall phase-match, second sampling tube (8) top fixedly connected with second dog (10), second through-hole (11) have been seted up at second dog (10) top, second through-hole (11) inside is equipped with second threaded rod (12), second threaded rod (12) bottom and second piston (9) top fixed connection, second through-hole (11) inside is equipped with the internal thread, second threaded rod (12) surface is equipped with the external screw thread, internal thread and external screw thread phase-match, second threaded rod (12) top fixedly connected with second rotation piece (13).
2. The novel sampling device for high-precision pharmaceutical experiment according to claim 1, wherein: the outer surface of the first sampling tube (1) is provided with a first scale (14), and the outer surface of the second sampling tube (8) is provided with a second scale (15).
3. The novel sampling device for high-precision pharmaceutical experiment according to claim 1, wherein: the volume of the liquid sucked by the first threaded rod (6) is set to be 1ml by one rotation, and the volume of the liquid sucked by the second threaded rod (12) is set to be 0.1ml by one rotation.
4. The novel sampling device for high-precision pharmaceutical experiment according to claim 1, wherein: the sampling device is characterized in that the first sampling tube (1) and the second sampling tube (8) are both made of transparent plastic materials, and the inner walls of the first sampling tube (1) and the second sampling tube (8) are both smooth surfaces.
5. The novel sampling device for high-precision pharmaceutical experiment according to claim 1, wherein: the anti-skid sampling tube is characterized in that a handle (16) is fixedly connected to one side of the first sampling tube (1), and anti-skid convex patterns are arranged on one side of the first sampling tube (1).
6. The novel sampling device for high-precision pharmaceutical experiment according to claim 1, wherein: the outer surface of the pipette (2) is fixedly connected with a stabilizing block (17), and the top of the stabilizing block (17) is fixedly connected with the bottom of the first sampling tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022749651.4U CN213336944U (en) | 2020-11-25 | 2020-11-25 | Novel high accuracy pharmacy experiment sample device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022749651.4U CN213336944U (en) | 2020-11-25 | 2020-11-25 | Novel high accuracy pharmacy experiment sample device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213336944U true CN213336944U (en) | 2021-06-01 |
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ID=76078606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022749651.4U Expired - Fee Related CN213336944U (en) | 2020-11-25 | 2020-11-25 | Novel high accuracy pharmacy experiment sample device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213336944U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114602565A (en) * | 2022-04-01 | 2022-06-10 | 江苏科华医疗器械科技有限公司 | Built-in block adjusting type pipette |
-
2020
- 2020-11-25 CN CN202022749651.4U patent/CN213336944U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114602565A (en) * | 2022-04-01 | 2022-06-10 | 江苏科华医疗器械科技有限公司 | Built-in block adjusting type pipette |
| CN114602565B (en) * | 2022-04-01 | 2023-06-02 | 江苏科华医疗器械科技有限公司 | Built-in block body adjusting type pipette |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210601 |
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| CF01 | Termination of patent right due to non-payment of annual fee |