CN211856004U - Sample extractor for pharmaceutical experiment - Google Patents
Sample extractor for pharmaceutical experiment Download PDFInfo
- Publication number
- CN211856004U CN211856004U CN202020395659.2U CN202020395659U CN211856004U CN 211856004 U CN211856004 U CN 211856004U CN 202020395659 U CN202020395659 U CN 202020395659U CN 211856004 U CN211856004 U CN 211856004U
- Authority
- CN
- China
- Prior art keywords
- liquid storage
- storage tank
- push rod
- piston
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a pharmacy experiment sample injector belongs to medicine and draws technical field, and the device includes: a push rod and a liquid storage tank; the push rod penetrates through the top of the liquid storage tank, a piston is arranged below the penetrating part, and the size of the piston is matched with that of the liquid storage tank; a liquid suction pipe penetrates through the lower part of the liquid storage tank, a limiting mechanism is arranged at the upper end in the liquid storage tank, and the limiting mechanism limits the rising position of the piston in the liquid storage tank; a handle is arranged above the push rod; the liquid storage tank is provided with symmetrical fixed plates on the left side wall and the right side wall, a first movable plate is hinged to the fixed plates, and a buckle is hinged to the lower portion of the first movable plate. The utility model fixes the whole device on the sample container to be checked by sampling through the movably connected bayonet, thereby avoiding the shaking of the device when absorbing the sample and bringing other adverse effects; through the setting of gear and threaded rod, cooperate the scale mark again and can carry out accurate location to the sample volume of absorbing in advance.
Description
Technical Field
The utility model relates to a medicine draws technical field, concretely relates to pharmacy experiment sample injector.
Background
At present, with the rapid development of society, new products are continuously appeared in various industries. For example, in the medical industry, a variety of medical devices and new drugs are produced, wherein the new drug developed needs to be tested during the development of the drug, and therefore a device capable of sampling the drug to be tested is required.
In the prior art, a liquid sample is usually extracted by using a hollow tube with scales, the suction end of the tube is inserted into a sample when the sample is extracted, then a leather bag at the tail of the tube is squeezed, the sample enters the tube through the suction port at the lower end of the tube by using atmospheric pressure, and the tube is taken out of the sample when the sample reaches the required scales.
In implementing the present invention, the inventor finds that the prior art has at least the following disadvantages: firstly, the extracted sample amount can only be confirmed by visual inspection, and the extracted sample amount is inaccurate; secondly, the tube body is basically made of glass, the phenomenon of slipping hands exists during sample extraction, and the leather bag at the tail of the tube body ages along with the lengthening of the using time, so that broken leather bag slag falls into the tube body, and the tube body and the sample are polluted; moreover, the volume of body is less, can not carry out a large amount of samples and draw to at the in-process of sample, the body relies on the manual work unsettled, thereby leads to the sample process troublesome inconvenient.
Disclosure of Invention
The utility model aims at the above problem, a pharmacy experiment sample injector is provided.
The utility model adopts the technical proposal that: a pharmaceutical experiment sampler comprising: a push rod and a liquid storage tank; the push rod penetrates through the top of the liquid storage tank, the lower end of the penetrating part is provided with a piston, and the size of the piston is matched with that of the liquid storage tank;
a liquid suction pipe penetrates through the lower portion of the liquid storage box, a limiting mechanism is arranged at the upper end of the inner portion of the liquid storage box, and the limiting mechanism limits the rising position of the piston in the liquid storage box.
Furthermore, the liquid storage tank is made of transparent materials, and scale marks are arranged on the outer side wall of the liquid storage tank.
Furthermore, scale marks are arranged on the outer side wall of the liquid storage tank.
Furthermore, the limiting mechanism comprises a gear, the push rod is embedded with the gear, the gear is embedded between the tops of the liquid storage tanks, and the diameter of the gear is larger than the width of the liquid storage tanks; two symmetrical rotating shafts are nested on the gear; the two rotating shafts are respectively positioned at two sides of the push rod, penetrate through the top of the liquid storage tank and are connected with the liquid storage tank through nuts; threaded rods are meshed with the left side and the right side of the gear, penetrate through the top of the liquid storage tank, and the lower end of the threaded rods is connected with a fixing block; the push rod penetrates through the fixed block; the size of fixed block and the size phase-match of liquid reserve tank, the length of screw rod is greater than the height of liquid reserve tank.
Furthermore, a first spring is arranged below the fixed block, and a groove is formed above the piston; the first spring and the groove are on the same plumb line.
Furthermore, the liquid storage box is provided with symmetrical fixed plates on the left side wall and the right side wall of the liquid storage box, a first movable plate is hinged to the fixed plates, a buckle is hinged to the lower portion of the first movable plate, and a second spring is arranged between the first movable plate and the side wall of the liquid storage box.
The utility model has the advantages that:
firstly, the whole device is fixed on a sample container to be sampled and inspected through the movably connected bayonet, so that the shaking of the device when a sample is sucked is avoided, other adverse effects are brought, and the result is inaccurate; secondly, through the setting of gear and threaded rod, cooperate the scale mark again and can carry out accurate location to the sample volume of absorbing in advance to when absorbing the sample, the accurate quantitative sample of absorbing is accomplished to the pulling push rod that can be direct quick.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
Fig. 1 is a schematic front structural view of an embodiment of the present invention;
fig. 2 is a schematic view of a gear connection structure according to an embodiment of the present invention.
Reference numerals:
1 is the push rod, 2 is the liquid reserve tank, 3 is the piston, 4 is the pipette, 5 is the handle and drags, 6 is the scale mark, 7 is the gear, 8 is the pivot, 9 is the threaded rod, 10 is the fixed block, 11 is first spring, 12 is the recess, 13 is first fly leaf, 14 is the buckle, 15 is the second spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 to 2, a pharmaceutical experiment sampler includes: a push rod 1 and a liquid storage tank 2; the suction push rod 1 penetrates through the top of the liquid storage tank 2, a piston 3 is arranged at the lower end of the penetrating part, and the size of the piston 3 is matched with that of the liquid storage tank 2;
a liquid suction pipe penetrates through the lower portion of the liquid storage box, a limiting mechanism is arranged at the upper end of the inner portion of the liquid storage box, and the limiting mechanism limits the rising position of the piston in the liquid storage box.
The utility model provides a pair of pharmacy experiment sample injector: the experimenter removes the air in the liquid storage tank 2 through the push rod 1; next, the experimenter inserts the pipette 4 at the lower end of the liquid storage tank 2 into the sample; then, the experimenter stabilizes the liquid storage tank 2 with one hand, stretches the push rod 1 with the other hand, and the push rod 1 slides in the liquid storage tank 2 so as to drive the piston 3 to slide, and under the action of atmospheric pressure, the sample flows through the pipette 4 and enters the liquid outlet cavity, so that the sample suction process is completed.
In one embodiment of the utility model, a handle drag 5 is arranged above the push rod 1; therefore, when a sample is sucked, the handle 5 can more conveniently drive the push rod 1 to move, so that the operation is more convenient.
In one embodiment of the present invention, the liquid storage tank 2 is made of transparent material, and the outer wall thereof is provided with scale marks 6; the liquid storage tank 2 is made of transparent material, so that the position of the sample entering the liquid storage tank 2 can be observed, and the suction volume of the sample can be further confirmed by using the scale marks 6.
In one embodiment of the utility model, the limiting mechanism comprises a gear 7, the gear 7 is embedded on the push rod 1, the gear 7 is embedded between the tops of the liquid storage tanks 2, and the diameter of the gear 7 is larger than the width of the liquid storage tank 2; two symmetrical rotating shafts 8 are nested on the gear 7; the two rotating shafts 8 are respectively positioned at two sides of the push rod 1, and the rotating shafts 8 penetrate through the top of the liquid storage tank 2 and are connected with the liquid storage tank 2 through nuts; threaded rods 9 are meshed with the left side and the right side of the gear 7, the threaded rods 9 penetrate through the top of the liquid storage tank 2, and the lower ends of the threaded rods are connected with fixing blocks 10; the push rod 1 penetrates through the fixed block 10; the size of fixed block 10 and the size phase-match of liquid reserve tank 2, the length of threaded rod 9 is greater than the height of liquid reserve tank 2.
It should be noted that the gear 7 and the rotating shaft 8 are meshed, so that the rotating shaft 8 can be driven to rotate when the gear 7 is rotated, the lower part of the rotating shaft 8 is connected with the fixed block 10 through a bearing, when the rotating shaft 8 rotates, the fixed block 10 can be driven to move on the inner wall of the liquid storage tank 2, and the extracted sample amount can be positioned in advance by matching with the scale marks on the outer wall of the liquid storage tank 2; therefore, when the sample is sucked, the push rod 1 can be directly and quickly pulled to finish the sucking of the sample with accurate quantification.
In one embodiment of the present invention, a first spring 11 is disposed below the fixed block 10, and a groove 12 is disposed above the piston 3; the first spring 11 and the groove 12 are on the same plumb line; so, when tensile push rod 1, the motion of drive piston 3 of push rod 1, when piston 3 and fixed block contact, can cushion it through the first spring 11 that sets up, caused the striking to fixed block 10 when having avoided piston 3 to move at the excessive speed, make fixed block 10 and piston 3 hug closely the back through setting up of recess 12, first spring 11 shrink is in recess 12, can not have fixed block 10 and piston 3 and can not all laminate, and the sample volume that influences the absorption of reality is inaccurate.
In an embodiment of the present invention, symmetrical fixing plates 12 are disposed on the left and right side walls of the liquid storage tank 2, a first movable plate 13 is hinged on the fixing plates 12, a buckle 14 is hinged below the first movable plate 13, and a second spring 15 is disposed between the first movable plate 13 and the side wall of the liquid storage tank 2; so, when absorbing the sample, can fix whole device on the sample container of treating the selective examination through swing joint's bayonet socket 14 to, having avoided the rocking of device when absorbing the sample, and brought other harmful effects, lead to the result inaccurate.
The utility model provides a pharmaceutical experiment sampler, experimenters can completely remove the air in a liquid storage tank 2 through a push rod 1; next, the experimenter inserts the pipette 4 at the lower end of the liquid storage tank 2 into the sample; then, the experimenter stabilizes the liquid storage tank 2 with one hand, stretches the push rod 1 with the other hand, and the push rod 1 slides in the liquid storage tank 2 so as to drive the piston 3 to slide, and under the action of atmospheric pressure, the sample flows through the pipette 4 and enters the liquid outlet cavity, so that the sample suction process is completed.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (3)
1. A pharmaceutical experiment sampler comprising: a push rod (1) and a liquid storage tank (2); the device is characterized in that the push rod (1) vertically penetrates through the top of the liquid storage tank (2), a piston (3) is arranged below the penetrating part, and the size of the piston (3) is matched with that of the liquid storage tank (2);
a liquid suction pipe (4) penetrates through the lower part of the liquid storage tank (2), a limiting mechanism is arranged at the upper end inside the liquid storage tank (2), and the limiting mechanism limits the rising position of the piston (3) in the liquid storage tank (2);
the liquid storage tank (2) is made of transparent materials, and the outer side wall of the liquid storage tank is provided with scale marks (6);
the limiting mechanism comprises a gear (7), the gear (7) is embedded on the push rod (1), the gear (7) is embedded in the top of the liquid storage box (2), and the diameter of the gear (7) is larger than the width of the liquid storage box (2); two symmetrical rotating shafts (8) are nested on the gear (7); the two rotating shafts (8) are respectively positioned at two sides of the push rod (1), and the rotating shafts (8) penetrate through the top of the liquid storage tank (2) and are connected with the liquid storage tank (2) through nuts; threaded rods (9) are meshed with the left side and the right side of the gear (7), the threaded rods (9) penetrate through the top of the liquid storage tank (2), and the lower ends of the threaded rods are connected with fixing blocks (10); the push rod (1) penetrates through the fixed block (10); the size of the fixing block (10) is matched with that of the liquid storage tank (2), and the length of the threaded rod (9) is greater than the height of the liquid storage tank (2);
the liquid storage tank is characterized in that symmetrical fixing plates are arranged on the left side wall and the right side wall of the liquid storage tank (2), a first movable plate (13) is hinged to the fixing plates, a buckle (14) is hinged to the lower portion of the first movable plate (13), and a second spring (15) is arranged between the first movable plate (13) and the side wall of the liquid storage tank (2).
2. The pharmaceutical experiment sampler according to claim 1, characterized in that a handle (5) is arranged above the push rod (1).
3. The pharmaceutical sample injector according to claim 1, characterized in that the first spring (11) is arranged below the fixed block (10), and the groove (12) is arranged above the piston (3); the first spring (11) and the groove (12) are on the same vertical line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020395659.2U CN211856004U (en) | 2020-03-25 | 2020-03-25 | Sample extractor for pharmaceutical experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020395659.2U CN211856004U (en) | 2020-03-25 | 2020-03-25 | Sample extractor for pharmaceutical experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211856004U true CN211856004U (en) | 2020-11-03 |
Family
ID=73136907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020395659.2U Expired - Fee Related CN211856004U (en) | 2020-03-25 | 2020-03-25 | Sample extractor for pharmaceutical experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211856004U (en) |
-
2020
- 2020-03-25 CN CN202020395659.2U patent/CN211856004U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4342341A (en) | Blood transfer device | |
| US3246559A (en) | Force feed cuvette | |
| CN211856004U (en) | Sample extractor for pharmaceutical experiment | |
| CN206444634U (en) | A kind of quantitative liquid-transfering device | |
| CN202757793U (en) | Microscale sample moving machine | |
| CN210400943U (en) | Medical treatment is biochemical with multi-functional sampling tube | |
| CN210269853U (en) | Urinary sediment analyzer convenient for accurately placing sample rack | |
| CN205729378U (en) | A kind of child takes a blood sample the quantitative blood-taking device of special negative pressure | |
| CN201016885Y (en) | Examination micro-sampler | |
| CN110954372A (en) | Hemocyte analyzer is with device of drawing blood | |
| CN207423596U (en) | A kind of chemical industry measurement sampler | |
| CN201983950U (en) | Testing sampler | |
| CN205562214U (en) | High pharmacy experiment sampling device of security | |
| CN213336944U (en) | Novel high accuracy pharmacy experiment sample device | |
| CN207923525U (en) | Medical test sampler | |
| CN210036868U (en) | Chemical reagent sampler | |
| CN207923482U (en) | One kind being used for medicinal cream pipe sampler | |
| CN217359153U (en) | Laboratory material detector sampling device | |
| CN221514536U (en) | Quantitative pipetting device with accurate sampling | |
| CN202442895U (en) | Trace sampling device for medical inspection | |
| CN216207871U (en) | Sample extractor for pharmaceutical experiment | |
| CN207324859U (en) | A kind of clinical laboratory's pipette | |
| CN214749104U (en) | Biological reagent sampler | |
| CN206146678U (en) | Liquid drug sampling pipe that conveniently carries and deposit | |
| CN218646676U (en) | Sampling device for liquid preparation production detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 Termination date: 20210325 |