CN221028362U - Liquid transfer device for microorganism culture detection - Google Patents
Liquid transfer device for microorganism culture detection Download PDFInfo
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- CN221028362U CN221028362U CN202322641806.6U CN202322641806U CN221028362U CN 221028362 U CN221028362 U CN 221028362U CN 202322641806 U CN202322641806 U CN 202322641806U CN 221028362 U CN221028362 U CN 221028362U
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- pipette
- tube
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- liquid suction
- solution
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- 239000007788 liquid Substances 0.000 title claims abstract description 23
- 244000005700 microbiome Species 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 title abstract description 12
- 238000000605 extraction Methods 0.000 claims abstract description 9
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000009629 microbiological culture Methods 0.000 claims 5
- 230000037431 insertion Effects 0.000 claims 3
- 238000003780 insertion Methods 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model provides a pipette for microorganism culture detection, which comprises a pipette, wherein an extraction device is arranged in the pipette, a funnel pipe is fixedly arranged at the bottom of the pipette, a connecting pipe is fixedly arranged at the bottom of the funnel pipe, a pipette is arranged below the connecting pipe, and a cannula is fixedly arranged at one end, close to the connecting pipe, of the pipette. According to the utility model, the extracting device is designed on the liquid transfer device for microorganism culture, when the liquid transfer device is used, the liquid suction pipe is assembled with the connecting pipe through the cannula, then the liquid suction pipe is inserted into a solution, an upward external force is applied to the connecting disk, so that the piston is driven to move upwards in the liquid suction pipe, the solution is sucked through pressure, when the piston moves to a required capacity line approximately, the rotating disc is used for driving the screw rod to rotate, so that the piston is driven to slowly move upwards in the liquid suction pipe, the accuracy of the solution in the extracting process is improved, and the problem of accuracy reduction caused by the solution in subsequent microorganism culture detection is reduced.
Description
Technical Field
The utility model relates to the technical field of pipettors, in particular to a pipette for microorganism culture detection.
Background
Microorganisms including bacteria, viruses, fungi, small protozoa, microalgae and the like are a large biological population, the individuals are tiny and closely related to human beings, the large biological population is beneficial and harmful, the large biological population is widely related to various fields such as food, medicine, industry and agriculture, environmental protection, sports and the like, when the microorganisms are cultured, related detection is often needed to be carried out on a solution containing the microorganisms in a culture dish, pipetting operation is often needed to be carried out when the solution is detected, the detection is generally carried out through a pipettor, and the pipettor is an instrument widely applied to analysis and testing in the fields such as biology, chemistry and the like and is mainly used for quantitatively transferring liquid.
The existing pipettor has the defects that the volume of the extracted and output solution is difficult to control and the operation is inconvenient in the use process, and when the solution is extracted, workers easily have the condition that the extraction amount is increased due to inertia, so that the accuracy of the subsequent microorganism culture detection is affected.
Therefore, in order to solve the above problems, we propose a pipette for detecting the culture of microorganisms.
Disclosure of utility model
The utility model aims to provide a liquid transfer device for microorganism culture detection, which aims to solve the problems of the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a microorganism is cultivateed and is detected and use pipettor, includes the pipette, the inside extraction device that is provided with of pipette, pipette bottom fixed mounting has the funnel, funnel bottom fixed mounting has the connecting pipe, the connecting pipe below is provided with the pipette, the one end fixed mounting that the pipette is close to the connecting pipe has the intubate.
As a further description of the utility model: the extracting device comprises a screw rod, a bearing ring is rotationally connected to the bottom of the screw rod, a piston is fixedly installed on an outer ring of the bearing ring, the outer diameter size of the piston is matched with the inner diameter size of the pipette, and a turntable is fixedly installed at one end, far away from the piston, of the screw rod.
As a further description of the utility model: the screw rod is connected with a connecting disc in a threaded mode, the outer diameter of the connecting disc is matched with that of the pipette, the connecting disc is located right above the pipette, two groups of sliding rods are fixedly installed at the bottom of the connecting disc, and sliding holes for the sliding rods to slide up and down are formed in the pipette.
As a further description of the utility model: the outer diameter of the cannula is matched with the inner diameter of the connecting pipe, a circle of rubber ring is sleeved on the outer wall of the cannula, and the liquid suction pipe is spliced with the connecting pipe through the cannula.
As a further description of the utility model: the pipette is made of transparent materials, and capacity lines are carved on the outer wall of the pipette.
As a further description of the utility model: the fixed cover of pipette outer wall is equipped with the rubber cover, the quantity of rubber cover is three sets of, and equidistance distributes about the pipette outer wall.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the extracting device is designed on the liquid transfer device for microorganism culture, when the liquid transfer device is used, the liquid suction pipe is assembled with the connecting pipe through the cannula, then the liquid suction pipe is inserted into a solution, an upward external force is applied to the connecting disk, so that the piston is driven to move upwards in the liquid suction pipe, the solution is sucked through pressure, when the piston moves to a required capacity line approximately, the rotating disc is used for driving the screw rod to rotate, so that the piston is driven to slowly move upwards in the liquid suction pipe, the accuracy of the solution in the extracting process is improved, and the problem of accuracy reduction caused by the solution in subsequent microorganism culture detection is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of an extracting device according to the present utility model;
Fig. 3 is a schematic view of the pipette and cannula configuration of the present utility model.
In the figure: 1. a pipette; 2. extraction means; 201. a screw rod; 202. a bearing ring; 203. a piston; 204. a turntable; 205. a connecting disc; 206. a slide bar; 3. a funnel tube; 4. a connecting pipe; 5. a pipette; 6. a cannula; 7. a rubber sleeve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a microorganism is cultivateed and is detected and use pipettor, includes pipette 1, and pipette 1 inside is provided with extraction device 2, and pipette 1 bottom fixed mounting has funnel 3, and funnel 3 bottom fixed mounting has connecting pipe 4, and connecting pipe 4 below is provided with pipette 5, and the one end fixed mounting that pipette 5 is close to connecting pipe 4 has intubate 6.
In this embodiment: the extraction device 2 comprises a screw rod 201, a bearing ring 202 is rotatably connected to the bottom of the screw rod 201, a piston 203 is fixedly mounted on the outer ring of the bearing ring 202, the outer diameter size of the piston 203 is matched with the inner diameter size of the pipette 1, and a turntable 204 is fixedly mounted at one end, far away from the piston 203, of the screw rod 201.
The specific use is as follows: the pipette 5 is inserted into the solution, and an upward external force is applied to the connection pad 205 to drive the piston 203 to move upward inside the pipette 1, thereby sucking the solution by pressure.
In this embodiment: the screw rod 201 is connected with a connecting disc 205 in a threaded mode, the outer diameter of the connecting disc 205 is matched with that of the pipette 1, the connecting disc 205 is located right above the pipette 1, two groups of sliding rods 206 are fixedly installed at the bottom of the connecting disc 205, and sliding holes for the sliding rods 206 to slide up and down are formed in the pipette 1.
The specific use is as follows: when the solution in the pipette 1 is drawn to a line with approximately required capacity, the turntable 204 is used for driving the screw rod 201 to rotate so as to drive the piston 203 to slowly move upwards in the pipette 1, thereby improving the accuracy of the solution in the drawing process and reducing the problem of accuracy reduction caused by the solution in the subsequent microorganism culture detection.
In this embodiment: the outer diameter of the cannula 6 is matched with the inner diameter of the connecting pipe 4, a circle of rubber ring is sleeved on the outer wall of the cannula 6, and the liquid suction pipe 5 is spliced with the connecting pipe 4 through the cannula 6.
The specific use is as follows: the cannula 6 can facilitate the installation and the disassembly of the connecting pipe 4 and the liquid suction pipe 5, and the rubber ring is used for sealing.
In this embodiment: the pipette 1 is made of transparent materials, and capacity lines are carved on the outer wall of the pipette 1.
The specific use is as follows: the volume of the solution in the transparent liquid storage tube can be known at any time through the capacity line, the solution with corresponding volume can be extracted according to the requirement, and the operation is simple and convenient.
In this embodiment: the fixed cover of pipette 1 outer wall is equipped with rubber sleeve 7, and the quantity of rubber sleeve 7 is three group, and equidistance distributes about pipette 1 outer wall.
The specific use is as follows: the rubber sleeve 7 can avoid falling and breaking caused by the fact that the pipettor is not held tightly in the pipetting process.
Working principle: during the use, assemble pipette 5 through intubate 6 and connecting pipe 4, later insert the solution with pipette 5 in, and apply ascending external force to connection pad 205, so as to drive piston 203 at the inside upward movement of pipette 1, and then through the pressure suction solution, when piston 203 moved to approximately required capacity line, turn round dish 204 drive lead screw 201 rotation, so as to drive piston 203 at the inside slow upward movement of pipette 1, thereby improve the accuracy of solution in the extraction process, reduce the accuracy decline problem that follow-up microorganism culture detection leads to because of the solution how much.
Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features thereof, and any modifications, equivalent substitutions, improvements and the like within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (6)
1. The utility model provides a microorganism culture detects and uses pipettor, includes pipette (1), its characterized in that: the pipette comprises a pipette body, wherein an extraction device (2) is arranged inside the pipette body (1), a funnel tube (3) is fixedly arranged at the bottom of the pipette body (1), a connecting tube (4) is fixedly arranged at the bottom of the funnel tube (3), a liquid suction tube (5) is arranged below the connecting tube (4), and a cannula (6) is fixedly arranged at one end, close to the connecting tube (4), of the liquid suction tube (5).
2. The pipette for detecting microbial cultures according to claim 1, wherein: the extraction device (2) comprises a screw rod (201), a bearing ring (202) is rotationally connected to the bottom of the screw rod (201), a piston (203) is fixedly installed on the outer ring of the bearing ring (202), the outer diameter size of the piston (203) is matched with the inner diameter size of the pipette (1), and a turntable (204) is fixedly installed at one end, far away from the piston (203), of the screw rod (201).
3. The pipette for detecting microbial cultures according to claim 2, wherein: the screw rod (201) is connected with a connecting disc (205) in a threaded mode, the outer diameter of the connecting disc (205) is matched with that of the pipette (1), the connecting disc (205) is located right above the pipette (1), two groups of sliding rods (206) are fixedly installed at the bottom of the connecting disc (205), and sliding holes for the sliding rods (206) to slide up and down are formed in the pipette (1).
4. The pipette for detecting microbial cultures according to claim 1, wherein: the outer diameter of the insertion tube (6) is matched with the inner diameter of the connecting tube (4), a circle of rubber ring is sleeved on the outer wall of the insertion tube (6), and the liquid suction tube (5) is inserted into the connecting tube (4) through the insertion tube (6).
5. The pipette for detecting microbial cultures according to claim 1, wherein: the pipette (1) is made of transparent materials, and capacity lines are carved on the outer wall of the pipette (1).
6. The pipette for detecting microbial cultures according to claim 1, wherein: the fixed cover of pipette (1) outer wall is equipped with rubber sleeve (7), the quantity of rubber sleeve (7) is three group, and equidistance distributes about pipette (1) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322641806.6U CN221028362U (en) | 2023-09-28 | 2023-09-28 | Liquid transfer device for microorganism culture detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322641806.6U CN221028362U (en) | 2023-09-28 | 2023-09-28 | Liquid transfer device for microorganism culture detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221028362U true CN221028362U (en) | 2024-05-28 |
Family
ID=91131925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322641806.6U Active CN221028362U (en) | 2023-09-28 | 2023-09-28 | Liquid transfer device for microorganism culture detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221028362U (en) |
-
2023
- 2023-09-28 CN CN202322641806.6U patent/CN221028362U/en active Active
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| GR01 | Patent grant |