CN212964827U - Sampling device for pharmaceutical analysis - Google Patents
Sampling device for pharmaceutical analysis Download PDFInfo
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- CN212964827U CN212964827U CN202021201693.8U CN202021201693U CN212964827U CN 212964827 U CN212964827 U CN 212964827U CN 202021201693 U CN202021201693 U CN 202021201693U CN 212964827 U CN212964827 U CN 212964827U
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- sampling device
- sleeved
- pharmaceutical analysis
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Abstract
The utility model discloses a sampling device for pharmaceutical analysis, belonging to the technical field of sampling titration devices, which is characterized in that the sampling device comprises a dropper body, wherein the top of the dropper body is provided with an extrusion component; the extrusion assembly comprises a fixed cylinder, a limiting fixed ring is fixedly arranged on the inner side of the top of the fixed cylinder, a screw penetrates through the inner side of the limiting fixed ring, a bearing is fixedly sleeved at one end of the screw, a first fixed block is fixedly arranged at the bottom of the bearing, a nut is sleeved on the screw, and a second fixed block is sleeved on the nut; through directly pressing down the operation panel, can carry out the high-speed titration, when rotating the operation panel, drive the slow and stable extrusion bellows of first fixed block to accomplish accurate titration, avoided directly adopting the rubber cap to extrude and drip regularly, be not convenient for operation and operational stability poor and make the unstable condition of pharmaceutical reagent addition take place, guaranteed the accuracy of data, easy operation is convenient.
Description
Technical Field
The utility model belongs to the technical field of the sample titration outfit, more specifically says, it relates to a sampling device for pharmaceutical analysis.
Background
The pharmaceutical analysis is a subject of chemical, physical, biological and microbiological methods and techniques to study and study the chemical examination of the drug, the drug stability, the bioavailability, the clinical monitoring of the drug and the qualitative and quantitative analysis of the effective components of Chinese herbs, and includes the chemical examination of the finished drug, the quality control of the drug production process, the quality inspection of the drug storage process, the clinical drug analysis, the in vivo drug analysis, and so on.
When carrying out the pharmaceutical analysis, need use titration outfit to take a sample, and titration outfit still has some problems when using among the prior art, for example titration outfit generally constitutes for rubber cap and burette, when extrusion rubber cap carries out the titration, operates unstably to the medicine reagent volume that leads to titrating is not accurate, influences later stage data.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a sampling device for pharmaceutical analysis, its advantage lies in stability and precision when can effectively improving titration operation.
In order to achieve the above purpose, the utility model provides a following technical scheme: a sampling device for drug analysis comprises a dropper body, wherein an extrusion assembly is arranged at the top of the dropper body;
the extrusion assembly comprises a fixed cylinder, a limiting fixed ring is fixedly arranged on the inner side of the top of the fixed cylinder, a screw rod penetrates through the inner side of the limiting fixed ring, a bearing is fixedly sleeved at one end of the screw rod, a first fixed block is fixedly arranged at the bottom of the bearing, a nut is sleeved on the screw rod, a second fixed block is sleeved on the nut, limiting slide bars are fixedly arranged on two sides of the first fixed block and the second fixed block, limiting slide grooves are respectively formed in two sides of the inner part of the fixed cylinder, a corrugated pipe is fixedly arranged at the bottom of the first fixed block, a fixed plate is fixedly arranged on the inner side of the bottom of the fixed cylinder, a communicating pipe penetrates through the fixed plate, the top of the communicating pipe is fixedly connected with the bottom of the corrugated pipe, a retainer ring is fixedly sleeved at one end of the, an operating panel is fixedly arranged at the top of the screw rod.
Through directly pressing the operation panel, make the bellows flatten and make the pharmaceutical reagent extruded, can carry out the rapid titration, carry out the accurate timing of dripping of minidose when needs, adopt the mode of rotating the operation panel, when making the screw rod driven to rotate, for the slow downstream of nut, the motion stability and rate of movement are slow, drive the slow and stable extrusion bellows of first fixed block, thereby accomplish accurate titration, avoided directly adopting the rubber cap to extrude and drip regularly, be not convenient for operation and operational stability poor and make the unstable condition of pharmaceutical reagent addition take place, the accuracy of data has been guaranteed, and is simple in operation convenient.
The utility model discloses further set up to: the bottom of the fixed plate is fixedly provided with a connecting and fixing pipe body, and the dropper body is sleeved on the connecting and fixing pipe body.
Through adopting above-mentioned technical scheme to the installation burette body is convenient for.
The utility model discloses further set up to: the dropper body is in threaded connection with the connecting and fixing pipe body.
Through adopting above-mentioned technical scheme to the burette body installation and dismantlement are changed.
The utility model discloses further set up to: the outer side of the connecting and fixing pipe body is fixedly sleeved with a sealing ring, and the sealing ring is arranged between the fixing plate and the dropper body.
Through adopting above-mentioned technical scheme to increase the leakproofness between fixed plate and the burette body.
The utility model discloses further set up to: the bearing is arranged inside the fixed cylinder body.
Through adopting above-mentioned technical scheme to installation bearing.
The utility model discloses further set up to: the nut is arranged at the top of the bearing.
Through adopting above-mentioned technical scheme to the mounting nut is convenient for.
The utility model discloses further set up to: the limiting sliding rod is arranged inside the limiting sliding groove.
Through adopting above-mentioned technical scheme to carry on spacingly to spacing slide bar.
The utility model discloses further set up to: the check ring is arranged at the top of the fixed cylinder body.
Through adopting above-mentioned technical scheme to in block the spring.
To sum up, the utility model has the advantages of it is following:
1. the bellows is flattened by directly pressing the operation panel to extrude a medicinal reagent, so that rapid titration can be carried out, when small-dose accurate titration is required, the operation panel is rotated, the screw rod is driven to rotate and slowly moves downwards relative to the nut, the bellows is stably and stably extruded by the first fixed block, so that accurate titration is finished, the situation that the addition of the medicinal reagent is unstable due to inconvenience and poor operation stability caused by directly adopting a rubber cap for extrusion titration is avoided, the accuracy of data is ensured, and the operation is simple and convenient;
2. through set up the fixed connection body bottom the fixed plate, utilize the fixed connection body threaded connection burette body of connection for this body coupling effect of burette is more stable, and the dismantlement of the later stage burette body of being convenient for is changed, installs the burette body of different specifications, through the sealing washer card that sets up between fixed plate and burette body top, thereby increased the leakproofness between burette body and the fixed plate, avoided gaseous from the inside outflow of burette body and influenced the operation, further improved operating stability.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is an enlarged view of the portion A in FIG. 1 of the present embodiment;
FIG. 3 is an enlarged view of the portion B of FIG. 2;
FIG. 4 is a perspective view of the fixing cylinder of the present embodiment;
description of reference numerals: 1. a dropper body; 2. an extrusion assembly; 3. fixing the cylinder; 4. a limiting fixing ring; 5. a screw; 6. a bearing; 7. a first fixed block; 8. a nut; 9. a second fixed block; 10. a limiting slide bar; 11. a limiting chute; 12. a bellows; 13. a fixing plate; 14. a communicating pipe; 15. a retainer ring; 16. a spring; 17. an operation panel; 18. connecting and fixing the pipe body; 19. and (5) sealing rings.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.
The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The sampling device for drug analysis shown in the attached figures 1-4 comprises a dropper body 1, wherein a squeezing assembly 2 is arranged at the top of the dropper body 1;
the extrusion assembly 2 comprises a fixed cylinder 3, a limiting fixed ring 4 is fixedly arranged on the inner side of the top of the fixed cylinder 3, a screw 5 is arranged on the inner side of the limiting fixed ring 4 in a penetrating manner, a bearing 6 is fixedly sleeved at one end of the screw 5, a first fixed block 7 is fixedly arranged at the bottom of the bearing 6, a nut 8 is sleeved on the screw 5, a second fixed block 9 is sleeved on the nut 8, limiting slide rods 10 are fixedly arranged on two sides of the first fixed block 7 and the second fixed block 9, limiting slide grooves 11 are respectively arranged on two sides inside the fixed cylinder 3, a corrugated pipe 12 is fixedly arranged at the bottom of the first fixed block 7, a fixed plate 13 is fixedly arranged on the inner side of the bottom of the fixed cylinder 3, a communicating pipe 14 is arranged on the fixed plate 13 in a penetrating manner, the top of the communicating pipe 14 is fixedly connected with the bottom, a spring 16 is sleeved on the screw rod 5, the spring 16 is arranged between the limiting fixing ring 4 and the check ring 15, and an operating panel 17 is fixedly arranged at the top of the screw rod 5;
the bearing 6 is arranged inside the fixed cylinder 3;
the nut 8 is arranged at the top of the bearing 6;
the limiting slide rod 10 is arranged inside the limiting slide groove 11;
the retainer ring 15 is arranged at the top of the fixed cylinder 3.
The implementation mode is specifically as follows: when the rapid sampling device is used, when rapid sampling is needed, the operation panel 17 is moved downwards by directly pressing the operation panel 17, the operation panel 17 moves downwards to drive the screw rod 5 on the operation panel to move downwards, the screw rod 5 moves downwards to drive the first fixing block 7 on the operation panel to move downwards, the first fixing block 7 moves downwards to extrude the corrugated pipe 12, the corrugated pipe 12 is flattened, air in the corrugated pipe is exhausted, when a drug reagent is extracted, the operation panel 17 is directly released, the operation panel 17 is not extruded any more, the check ring 15 is pushed to ascend under the action of the self elasticity of the spring 16 to drive the screw rod 5 on the operation panel to ascend, the screw rod 5 ascends to drive the first fixing block 7 to ascend, the first fixing block 7 pulls the corrugated pipe 12 to expand, negative pressure is generated in the corrugated pipe 12 to extract the drug reagent, and when rapid dripping is carried out, the rapid sampling device can be obtained by directly pressing the operation panel 17, make bellows 12 squashed and make the pharmaceutical reagent extruded, when need carry out the accurate timing of dripping of little dose, at first still press operation panel 17 and extract the pharmaceutical reagent, when carrying out the pharmaceutical reagent and extrude, do not adopt the mode of pressing operation panel 17, and adopt the mode of rotating operation panel 17, operation panel 17 drives screw rod 5 on it to rotate when being rotated, when screw rod 5 rotates, because screw rod 5 and nut 8 threaded engagement, and screw rod 5 is drawn under spring 16 elasticity effect at this moment and is hugged closely in spacing retainer plate 4 bottom, and by the spacing unable rotation of second fixed block 9 spacing, make screw rod 5 slow downward motion relative to nut 8 when rotating, the motion is stable and the rate of motion is slow, drive the slow and stable extrusion bellows 12 of first fixed block 7, thereby accomplish accurate titration.
The sampling device for drug analysis shown in fig. 1 and 2 further comprises a connecting and fixing tube body 18, wherein the connecting and fixing tube body 18 is fixedly arranged at the bottom of the fixing plate 13, and the dropper body 1 is sleeved on the connecting and fixing tube body 18;
the dropper body 1 is in threaded connection with the connecting and fixing pipe body 18;
a sealing ring 19 is fixedly sleeved on the outer side of the connecting and fixing pipe body 18, and the sealing ring 19 is arranged between the fixing plate 13 and the dropper body 1.
The implementation mode is specifically as follows: through set up connection fixed body 18 in fixed plate 13 bottom, utilize connection fixed body 18 threaded connection burette body 1, make burette body 1 joint effect more stable, and be convenient for later stage burette body 1's dismantlement is changed, install the burette body 1 of different specifications, 19 cards are between fixed plate 13 and burette body 1 tops through the sealing washer that sets up, thereby increase the leakproofness between burette body 1 and fixed plate 13, avoided gas from burette body 1 inside outflow and influence the operation, operation stability has further been improved.
The utility model discloses the theory of operation:
referring to the attached drawings 1-4 of the specification, when the utility model is used, the operation panel 17 is directly pressed to flatten the corrugated pipe 12 so as to extrude the medicinal reagent, so that the quick titration can be carried out, when the small-dose accurate titration needs to be carried out, the operation panel 17 is rotated, the screw 5 is driven to rotate, the screw 5 slowly moves downwards relative to the nut 8, the movement is stable and the movement speed is slow, the corrugated pipe 12 is slowly and stably extruded by the first fixing block 7, so that the accurate titration is completed, the situation that the addition of the medicinal reagent is unstable due to the fact that the operation is inconvenient and the operation stability is poor is avoided when the rubber cap is directly adopted for extruding and dripping, the accuracy of data is ensured, and the operation is simple and convenient;
refer to description attached drawings 1 and 2, in using the utility model discloses the time, through set up in fixed plate 13 bottom and connect fixed body 18, utilize and connect fixed body 18 threaded connection burette body 1, make burette body 1 connection effect more stable, and be convenient for later stage burette body 1's dismantlement change, install the burette body 1 of different specifications, 19 cards of sealing washer through the setting are between fixed plate 13 and burette body 1 top, thereby increase the leakproofness between burette body 1 and the fixed plate 13, avoided gas from burette body 1 inside outflow and influence the operation, operating stability has further been improved.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. The utility model provides a sampling device for pharmaceutical analysis, includes burette body (1), its characterized in that: the top of the dropper body (1) is provided with an extrusion assembly (2);
the extrusion assembly (2) comprises a fixed barrel (3), a limiting fixed ring (4) is fixedly arranged on the inner side of the top of the fixed barrel (3), a screw (5) penetrates through the inner side of the limiting fixed ring (4), a bearing (6) is fixedly sleeved at one end of the screw (5), a first fixed block (7) is fixedly arranged at the bottom of the bearing (6), a nut (8) is sleeved on the screw (5), a second fixed block (9) is sleeved on the nut (8), limiting slide rods (10) are fixedly arranged on two sides of the first fixed block (7) and the second fixed block (9), limiting slide grooves (11) are respectively arranged on two inner sides of the fixed barrel (3), a corrugated pipe (12) is fixedly arranged at the bottom of the first fixed block (7), a fixed plate (13) is fixedly arranged on the inner side of the bottom of the fixed barrel (3), a communicating pipe (14) penetrates through the fixed plate (13, communicating pipe (14) top and bellows (12) bottom fixed connection, bearing (6) one end fixed cover is kept away from in screw rod (5) has connect retaining ring (15), spring (16) have been cup jointed on screw rod (5), between spacing retainer plate (4) and retaining ring (15) are located in spring (16), fixed operation board (17) that is equipped with in screw rod (5) top.
2. A sampling device for pharmaceutical analysis according to claim 1, wherein: the bottom of the fixing plate (13) is fixedly provided with a connecting and fixing pipe body (18), and the dropper body (1) is sleeved on the connecting and fixing pipe body (18).
3. A sampling device for pharmaceutical analysis according to claim 2, wherein: the dropper body (1) is in threaded connection with the connecting and fixing pipe body (18).
4. A sampling device for pharmaceutical analysis according to claim 2, wherein: the outer side of the connecting and fixing pipe body (18) is fixedly sleeved with a sealing ring (19), and the sealing ring (19) is arranged between the fixing plate (13) and the dropper body (1).
5. A sampling device for pharmaceutical analysis according to claim 1, wherein: the bearing (6) is arranged inside the fixed cylinder body (3).
6. A sampling device for pharmaceutical analysis according to claim 1, wherein: the nut (8) is arranged at the top of the bearing (6).
7. A sampling device for pharmaceutical analysis according to claim 1, wherein: the limiting sliding rod (10) is arranged inside the limiting sliding groove (11).
8. A sampling device for pharmaceutical analysis according to claim 1, wherein: the retainer ring (15) is arranged at the top of the fixed cylinder body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021201693.8U CN212964827U (en) | 2020-06-27 | 2020-06-27 | Sampling device for pharmaceutical analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021201693.8U CN212964827U (en) | 2020-06-27 | 2020-06-27 | Sampling device for pharmaceutical analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212964827U true CN212964827U (en) | 2021-04-13 |
Family
ID=75389056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021201693.8U Active CN212964827U (en) | 2020-06-27 | 2020-06-27 | Sampling device for pharmaceutical analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212964827U (en) |
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2020
- 2020-06-27 CN CN202021201693.8U patent/CN212964827U/en active Active
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