CN111693336A - Fluid sampling device for pharmaceutical analysis - Google Patents
Fluid sampling device for pharmaceutical analysis Download PDFInfo
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- CN111693336A CN111693336A CN202010580708.4A CN202010580708A CN111693336A CN 111693336 A CN111693336 A CN 111693336A CN 202010580708 A CN202010580708 A CN 202010580708A CN 111693336 A CN111693336 A CN 111693336A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
- G01N31/18—Burettes specially adapted for titration
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- Molecular Biology (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a fluid sampling device for drug analysis, which comprises a sampling barrel, wherein the bottom of the sampling barrel is communicated with a sampling needle tube, the top of the sampling barrel is provided with two air outlet holes for adjusting air pressure, an isolation sleeve plate is fixed in the sampling barrel, the sampling barrel is divided into two cavities through the isolation sleeve plate, and a multi-bottle sampling device for quantitatively sampling a plurality of bottles of drug analysis is arranged on the sampling barrel.
Description
Technical Field
The invention relates to the technical field of drug analysis sampling, in particular to a fluid sampling device for drug analysis.
Background
Pharmaceutical analysis is a subject of chemical, physical, biological and microbiological studies to study chemical tests of drugs, drug stability, bioavailability, clinical monitoring of drugs and qualitative and quantitative determination of active ingredients of herbs. It includes chemical inspection of finished medicine, quality control in medicine production process, quality inspection in medicine storage process, clinical medicine analysis, in vivo medicine analysis, etc.
When carrying out the analysis to raw materials medicine, all need do the pertinence sampling, it carries out the medicine sample to take the instrument for personnel to take usually, then analyze, current fluid medicine utilizes sampling tube or rubber head burette to absorb the medicine usually, then it is intraductal to drip into the test, when carrying out the fluid sample now, to the accuse of extraction volume all personnel observe the scale on the test bottle and measure, there is the observation error, lead to the easy deviation that appears of sampling volume between a plurality of samples, and sample at every turn and only can drip a bottle, when the detection analysis item is more, can't carry out a large amount of samplings in the short time, lead to the efficiency lower, for this reason, we propose a fluid sampling device for the pharmaceutical analysis.
Disclosure of Invention
The present invention is directed to a fluid sampling device for drug analysis, which is capable of sampling in batch at a time and controlling the sampling amount, so as to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: fluid sampling device for pharmaceutical analysis, including the sampling bucket, sampling bucket bottom intercommunication has the sample needle tubing, and open at sampling bucket top has two ventholes that are used for adjusting atmospheric pressure, the sampling bucket internal fixation has the isolation lagging to divide into two cavitys with the sampling bucket through the isolation lagging, install many bottles of sampling device that are used for many bottles of quantitative samplings of pharmaceutical analysis to use on the sampling bucket.
Preferably, many bottles of sampling device includes first piston rod and second piston rod, first piston rod and second piston rod one end all slide and run through the sampling bucket top to all be fixed with the piston board of sampling bucket inner wall looks adaptation, and distribute in isolation lagging both sides, first piston board top is rotated and is cup jointed and is pressed the board, and presses and open on the board and have the sliding opening, first piston board outside cover has reset spring, and the reset spring both ends respectively with press board bottom and sampling bucket top contact, the sampling bucket outside corresponds second piston rod one side and installs the reposition of redundant personnel subassembly, the ration regulating part is installed in the second piston rod outside, realizes titrating a plurality of samples to disposable ration through many bottles of sampling device.
Preferably, the reposition of redundant personnel subassembly includes L type connecting pipe and loading board, L type connecting pipe one end is fixed to run through sampling bucket bottom one side, and the other end intercommunication has a plurality of liquid heads, it has the removal mouth to open in the loading board, and the loading board both sides are fixed with the connecting plate to it is fixed with the sampling bucket outside through the connecting plate, install a plurality of fluid-discharge tubes in the removal mouth, and the fluid-discharge tube tail end passes through the rubber tube and is connected with liquid head, satisfies once only titrating a plurality of samples through the reposition of redundant personnel subassembly.
Preferably, a limiting plate is fixed on the outer side of the tail end of the liquid discharge pipe, an adjusting cap is sleeved on the outer side of the liquid discharge pipe in a threaded manner, the adjusting cap and the limiting plate are respectively located on two sides of the bearing plate, a sealing sleeve is sleeved on the outer end of the liquid discharge pipe, and the position of the liquid discharge pipe on the bearing plate is adjusted through the mutual matching of the adjusting cap and the limiting plate.
Preferably, the quantitative regulation piece includes the connecting seat, the arc post has been cup jointed to connecting seat outside screw thread, second piston rod top is fixed with the spacing ring, and second piston rod top outside screw thread has cup jointed the adjustable ring, be painted scale mark on the second piston rod, the adjustable ring can be adjusted in the motion on the second piston rod, simultaneously through with the arc post contact, realize the accuse to the discharge liquid medicine volume for when titrating, can control the volume of titrating of every bottle.
Preferably, the separation lagging includes the separation shell, open the separation shell bottom has the liquid through mouth, and the separation shell top is close to first piston rod one side and opens there is the regulation mouth, sliding plug has the division board in the separation shell, and the division board outside is fixed with the regulating plate, the inner wall sliding connection in the regulating plate outside and the regulation mouth, and regulating plate top both ends all are fixed with the telescopic link, telescopic link outside cover has the extrusion spring, and the extrusion spring both ends respectively with regulating plate top and sampling bucket inner wall contact, through the division board one end in the separation lagging, realize opening and being closed to the liquid through mouth to the realization is with the conversion of two intracavity liquid.
Preferably, the sampling needle tube is installed and is kept away from reposition of redundant personnel subassembly one end in sampling bucket bottom, and the sampling needle tube is located the sampling bucket outermost end for it is more convenient to follow-up carry out many bottles of titration operations.
Preferably, the top of the arc-shaped column is fixed with an arc-shaped abutting plate, so that the contact area is increased, and the adjustment is more convenient.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the medicine is sampled by stretching the first piston rod in the multi-bottle sampling device, and the quantitative adjusting part is matched with the flow dividing assembly, so that the same amount of medicine samples can be titrated in a plurality of test tubes at one time.
Drawings
FIG. 1 is a schematic view of the overall configuration of the present invention;
FIG. 2 is a partial cross-sectional view of the internal structure of the present invention;
FIG. 3 is a schematic view showing a position relationship between the pressing plate and the second piston rod after the pressing plate is fastened;
FIG. 4 is a partial cross-sectional structural schematic view of the shunt assembly of the present invention;
FIG. 5 is a schematic view of a drain according to the present invention;
FIG. 6 is a schematic view of the structure of the insulating sleeve of the present invention;
FIG. 7 is a bottom plan view of the spacer sleeve of the present invention;
FIG. 8 is a schematic view of the quantitative adjustment member of the present invention.
In the figure: 1-sampling a barrel; 2-sampling needle tube; 3-isolating the sleeve plate; 4-a multi-vial sampling device; 5-a first piston rod; 6-a second piston rod; 7-a piston plate; 8-pressing the board; 9-sliding port; 10-a return spring; 11-a flow splitting assembly; 12-a quantitative adjustment; 13-L shaped connecting pipe; 14-a carrier plate; 15-liquid outlet head; 16-a moving port; 17-a connecting plate; 18-a drain pipe; 19-a limiting plate; 20-adjusting the cap; 21-sealing sleeve; 22-a connecting seat; 23-arc column; 24-a stop collar; 25-an adjusting ring; 26-an insulating shell; 27-liquid through port; 28-an adjustment port; 29-a separator plate; 30-adjusting plate; 31-a telescopic rod; 32-a compression spring; 33-arc-shaped abutting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the fluid sampling device for drug analysis in the figure comprises a sampling barrel 1, a sampling needle tube 2 is communicated with the bottom of the sampling barrel 1, two air outlets for adjusting air pressure are formed in the top of the sampling barrel 1, the air outlets are formed in the top of the sampling barrel 1, so that the sampling barrel 1 can be adjusted more smoothly, an isolation sleeve plate 3 is fixed in the sampling barrel 1, the sampling barrel 1 is divided into two cavities by the isolation sleeve plate 3, and a multi-bottle sampling device 4 for quantitatively sampling a plurality of bottles of drug analysis is mounted on the sampling barrel 1.
Wherein, the multi-bottle sampling device 4 comprises a first piston rod 5 and a second piston rod 6, one end of the first piston rod 5 and one end of the second piston rod 6 both slide and penetrate through the top end of the sampling barrel 1, piston plates 7 matched with the inner wall of the sampling barrel 1 are fixed and distributed at two sides of the isolation sleeve plate 3, a pressing plate 8 is rotatably sleeved at the top of the first piston plate 7, a sliding opening 9 is arranged on the pressing plate 8, a return spring 10 is sleeved outside the first piston plate 7, two ends of the return spring 10 are respectively contacted with the bottom of the pressing plate 8 and the top of the sampling barrel 1, a flow dividing assembly 11 is arranged on one side, corresponding to the second piston rod 6, of the outer side of the sampling barrel 1, a quantitative adjusting piece 12 is arranged on the outer side of the second piston rod 6, the first piston rod 5 and the second piston rod 6 are distributed on two sides of the isolation sleeve plate 3, the first piston rod 5 mainly plays a role in extracting medicines, and the second piston rod 6 mainly realizes batch titration of the extracted medicines;
the flow dividing assembly 11 comprises an L-shaped connecting pipe 13 and a bearing plate 14, one end of the L-shaped connecting pipe 13 fixedly penetrates through one side of the bottom of the sampling barrel 1, the other end of the L-shaped connecting pipe is communicated with a plurality of liquid outlet heads 15, a moving port 16 is formed in the bearing plate 14, connecting plates 17 are fixedly arranged on two sides of the bearing plate 14 and are fixed to the outer side of the sampling barrel 1 through the connecting plates 17, a plurality of liquid discharge pipes 18 are mounted in the moving port 16, the tail ends of the liquid discharge pipes 18 are connected with the liquid outlet heads 15 through rubber pipes, and the flow dividing assembly 11 is used for achieving equivalent flow dividing and discharging of liquid, so that batch;
limiting plate 19 is fixed to the outside of fluid-discharge tube 18 tail end, and fluid-discharge tube 18 outside screw thread cover has adjusted cap 20, adjust cap 20 and limiting plate 19 and be located the loading board 14 both sides respectively, 18 outer pot heads of fluid-discharge tube have seal cover 21, change position and distance between a plurality of fluid-discharge tubes 18 to satisfy the titration to different interval test tubes, titrate more nimble, also can block up partial fluid-discharge tube 18 through seal cover 21 simultaneously, realize the regulation to titrating quantity in batches.
In addition, quantitative regulating part 12 includes connecting seat 22, connecting seat 22 outside screw thread sleeve has arc post 23, and wherein, arc post 23 top is fixed with arc and supports board 33, 6 tops of second piston rod are fixed with spacing ring 24, and 6 top outside screw threads of second piston rod have cup jointed adjustable ring 25, be painted scale mark on the second piston rod 6, through the scale mark on the second piston rod 6 to can measure the distance between adjustable ring 25 and the arc and support board 33 top, thereby can calculate the volume of fluid-discharge tube 18 discharge medicine, and through the position that changes adjustable ring 25, realize the accuse of the medicine discharge volume.
In addition, isolation lagging 3 is including isolation shell 26, it has liquid through port 27 to open isolation shell 26 bottom, and isolation shell 26 top is close to 5 one side of first piston rod and opens regulation port 28, it has division board 29 to slide in isolation shell 26, and the division board 29 outside is fixed with regulating plate 30, the regulating plate 30 outside and regulation port 28 inner wall sliding connection, and regulating plate 30 top both ends all are fixed with telescopic link 31, the cover has extrusion spring 32 in the telescopic link 31 outside, and extrusion spring 32 both ends respectively with the contact of regulating plate 30 top and sampling bucket 1 inner wall, through extrusion spring 32's elasticity under the normal condition for division board 29 is effectual to lead to liquid through port 27 and blocks up, makes two cavitys not circulate, makes things convenient for first piston rod 5 to absorb the medicine.
In the scheme, when the medicine is analyzed and sampled, the first piston rod 5 is firstly plugged into the deepest part, then the sampling needle tube 2 is inserted into the fluid medicine, then the first piston rod 5 is stretched and retracted through the reset spring 10 and is drawn out by personnel, so that a certain amount of medicine is absorbed in the cavity on one side of the sampling barrel 1, then the sampling barrel 1 is rotated by 90 degrees, the shunt assembly 11 is positioned at the bottom, the personnel pulls the first piston rod 5 to the outermost end again, meanwhile, the adjusting plate 30 is driven to move, the partition plate 29 is not blocked on the liquid through port 27 any more, so that the fluid medicine in the sampling barrel 1 flows into another cavity, after the flow is finished, the personnel pushes the first piston rod 5 again, the partition plate 29 closes the liquid through port 27, meanwhile, the press plate 8 is rotated by 180 degrees, the sliding port 9 can be sleeved on the outer side of the second piston rod 6 properly, and the elastic force, make second piston rod 6 remove to the outermost end, thereby accomplish the process of getting it filled, and begin to titrate, before titrating, through the position that rotates spacing ring 24, adjust the distance between spacing ring 24 and the arc butts against board 33, thereby control medicine titration amount, then take off seal cover 21 again, aim at a plurality of test tubes of titrating with a plurality of fluid-discharge tubes 18, personnel press down spacing ring 24, make adjustable ring 25 move to 33 surface contact with the arc butts against board, thereby accomplish once and titrate in batches, then rethread reset spring 10 makes second piston rod 6 remove to the outermost end, begin the second time, the circulation action, both can titrate the sample to realizing in batches, compare with the mode of titrating of test tube of current personnel, titration speed is fast, and still need not to measure every intraductal solution titration amount, a large amount of time has been saved.
In this scheme, sampling bucket 1 makes for transparent plastic housing, conveniently observes the stock of inside medicine, and arc post 23 also can be unscrewed simultaneously and break away from connecting seat 22 to break away from second piston rod 6 and take out, can change the arc post 23 of different length, be used for adjusting the discharge amount, make and adjust more in a flexible way.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Fluid sampling device for pharmaceutical analysis, including sampling bucket (1), sampling bucket (1) bottom intercommunication has sample needle tubing (2), and sampling bucket (1) top division has two ventholes that are used for adjusting atmospheric pressure, its characterized in that: sampling bucket (1) internal fixation has isolation lagging (3) to will sample bucket (1) and fall into two cavitys through isolation lagging (3), install many bottles of sampling device (4) that are used for many bottles of ration samples of pharmaceutical analysis usefulness on sampling bucket (1).
2. The fluid sampling device for pharmaceutical analysis according to claim 1, wherein: many bottles of sampling device (4) include first piston rod (5) and second piston rod (6), first piston rod (5) and second piston rod (6) one end all slide and run through sampling bucket (1) top to all be fixed with piston board (7) with sampling bucket (1) inner wall looks adaptation, and distribute in isolation lagging (3) both sides, first piston board (7) top is rotated and is cup jointed according to board (8), and has been opened sliding opening (9) on according to board (8), first piston board (7) outside cover has reset spring (10), and reset spring (10) both ends respectively with according to board (8) bottom and sampling bucket (1) top contact, sampling bucket (1) outside corresponds second piston rod (6) one side and installs reposition of redundant personnel subassembly (11), quantitative regulating part (12) is installed in second piston rod (6) outside.
3. The fluid sampling device for pharmaceutical analysis according to claim 2, wherein: shunt subassembly (11) are including L type connecting pipe (13) and loading board (14), L type connecting pipe (13) one end is fixed to run through sampling bucket (1) bottom one side, and the other end intercommunication has a plurality of liquid heads (15), it has removal mouth (16) to open in loading board (14), and loading board (14) both sides are fixed with connecting plate (17) to it is fixed with sampling bucket (1) outside through connecting plate (17), it installs a plurality of fluid-discharge tubes (18) in mouth (16) to move, and fluid-discharge tube (18) tail end passes through the rubber tube and is connected with liquid head (15).
4. The fluid sampling device for pharmaceutical analysis according to claim 3, wherein: a limiting plate (19) is fixed on the outer side of the tail end of the liquid discharge pipe (18), an adjusting cap (20) is sleeved on the outer side of the liquid discharge pipe (18) in a threaded mode, the adjusting cap (20) and the limiting plate (19) are located on two sides of the bearing plate (14) respectively, and a sealing sleeve (21) is sleeved on the outer end of the liquid discharge pipe (18).
5. The fluid sampling device for pharmaceutical analysis according to claim 3, wherein: quantitative adjusting part (12) are including connecting seat (22), arc post (23) have been cup jointed to connecting seat (22) outside screw thread, second piston rod (6) top is fixed with spacing ring (24), and second piston rod (6) top outside screw thread has cup jointed adjustable ring (25), second piston rod (6) are gone up and are painted the scale mark.
6. The fluid sampling device for pharmaceutical analysis according to claim 2, wherein: isolation lagging (3) are including isolation shell (26), open isolation shell (26) bottom has logical liquid mouth (27), and isolation shell (26) top is close to first piston rod (5) one side and opens and have regulation mouth (28), it has division board (29) to slide in isolation shell (26), and division board (29) outside is fixed with regulating plate (30), regulating plate (30) outside and regulation mouth (28) inner wall sliding connection, and regulating plate (30) top both ends all are fixed with telescopic link (31), telescopic link (31) outside cover has extrusion spring (32), and extrusion spring (32) both ends respectively with regulating plate (30) top and sampling bucket (1) inner wall contact.
7. The fluid sampling device for pharmaceutical analysis according to claim 3, wherein: the sampling needle tube (2) is arranged at one end of the bottom of the sampling barrel (1) far away from the shunt assembly (11).
8. The fluid sampling device for pharmaceutical analysis according to claim 5, wherein: an arc-shaped abutting plate (33) is fixed at the top of the arc-shaped column (23).
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| CN202010580708.4A CN111693336B (en) | 2020-06-23 | 2020-06-23 | Fluid sampling device for pharmaceutical analysis |
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| CN202010580708.4A CN111693336B (en) | 2020-06-23 | 2020-06-23 | Fluid sampling device for pharmaceutical analysis |
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| CN111693336A true CN111693336A (en) | 2020-09-22 |
| CN111693336B CN111693336B (en) | 2023-03-14 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112255038A (en) * | 2020-10-27 | 2021-01-22 | 冯英明 | Take groundwater water quality testing sampling device of formula mechanism is decided to atmospheric pressure |
| CN112903359A (en) * | 2021-02-04 | 2021-06-04 | 高代祥 | New coronary vaccine detects with sampling device who has regulation formula |
| CN112914621A (en) * | 2021-01-26 | 2021-06-08 | 陈侠 | Liquid collecting device for bronchoscope |
| CN113252397A (en) * | 2021-05-06 | 2021-08-13 | 浙江大学医学院附属第一医院 | Nephrology department urine examination sampling device and sampling method thereof |
| CN116698518A (en) * | 2023-08-09 | 2023-09-05 | 佳木斯冬梅大豆食品有限公司 | Detection sampling device is used in processing of protein peptide |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112255038A (en) * | 2020-10-27 | 2021-01-22 | 冯英明 | Take groundwater water quality testing sampling device of formula mechanism is decided to atmospheric pressure |
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| CN112914621A (en) * | 2021-01-26 | 2021-06-08 | 陈侠 | Liquid collecting device for bronchoscope |
| CN112914621B (en) * | 2021-01-26 | 2022-06-10 | 陈侠 | Liquid collecting device for bronchoscope |
| CN112903359A (en) * | 2021-02-04 | 2021-06-04 | 高代祥 | New coronary vaccine detects with sampling device who has regulation formula |
| CN112903359B (en) * | 2021-02-04 | 2024-01-30 | 嘉兴倍创网络科技有限公司 | Sampling device with regulation formula for new crown vaccine detection |
| CN113252397A (en) * | 2021-05-06 | 2021-08-13 | 浙江大学医学院附属第一医院 | Nephrology department urine examination sampling device and sampling method thereof |
| CN116698518A (en) * | 2023-08-09 | 2023-09-05 | 佳木斯冬梅大豆食品有限公司 | Detection sampling device is used in processing of protein peptide |
| CN116698518B (en) * | 2023-08-09 | 2023-10-20 | 佳木斯冬梅大豆食品有限公司 | Detection sampling device is used in processing of protein peptide |
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