CN215783457U - Liquid-transfering gun capable of quantitatively transfering liquid - Google Patents
Liquid-transfering gun capable of quantitatively transfering liquid Download PDFInfo
- Publication number
- CN215783457U CN215783457U CN202121965740.0U CN202121965740U CN215783457U CN 215783457 U CN215783457 U CN 215783457U CN 202121965740 U CN202121965740 U CN 202121965740U CN 215783457 U CN215783457 U CN 215783457U
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- Prior art keywords
- pipette
- liquid
- connecting pipe
- gun
- pipetting
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- 239000007788 liquid Substances 0.000 title claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 description 8
- 239000003814 drug Substances 0.000 description 6
- 238000005213 imbibition Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009509 drug development Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model discloses a liquid-transfering gun capable of quantitatively transfering liquid, including: the pipette comprises a pipette body, wherein the lower end of the pipette body is communicated with a negative pressure pipe, the bottom of the negative pressure pipe is communicated with a plurality of pipette tubes, the inner diameters of the pipette tubes are arranged in equal proportion, the bottom of the negative pressure pipe is communicated with a connecting pipe, the outer wall of the lower end of the connecting pipe is provided with an external thread, the inner wall of the top of the pipette tube is provided with an internal thread matched with the external thread, the pipette tube is screwed at the lower end of the connecting pipe, the inner wall of the upper end of the pipette tube is fixedly connected with an annular limiting block, and a sealing ring is arranged on the annular limiting block; according to the liquid transferring gun, the plurality of liquid transferring pipes are arranged in equal proportion, and the liquid transferring gun body is adjusted to the total volume of liquid to be absorbed only by adjusting the rotating rod on the liquid transferring gun body, so that the liquid with different volumes can be absorbed in equal proportion at one time, the labor intensity is effectively reduced, and the working efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a liquid transfer gun capable of quantitatively transferring liquid.
Background
In the fields of medicine, drug, gene and protein research, biological research, drug development laboratories, and other biotechnology applications, experiments are often conducted with drugs that involve transferring fluids, some simpler liquid-transfering devices such as a rubber head dropper and the like are often used in the process of transferring the liquid medicine, the pipette can be applied to pipette guns special for liquid quantification in higher-level scientific experiments, the pipette gun is a pipette which is commonly used for pipetting a small amount of or trace liquid in a laboratory, pipette heads with different sizes are matched with pipette guns with different specifications, shapes produced by different manufacturers are slightly different, but the working principle and the operation method are basically consistent, in the process of sucking the liquid medicine, the liquid medicine is pressed into the pipette tip by utilizing the principle of air pressure difference, and then the liquid sucked by the liquid is dripped into an experiment plate or an experiment tube at one time for detection.
But current liquid-transfering gun can only absorb the solution of fixed volume through adjusting the dwang, can not drip the solution of once only absorbing respectively to different laboratory plates according to different volumes, consequently the experimenter often need absorb many times, when experiment or detected volume are very big, this not only is very big the test to experimenter's physical power, has seriously reduced work efficiency moreover.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a pipette gun capable of pipetting a liquid quantitatively, so as to solve the above problems of the related art.
In order to achieve the purpose, the utility model provides the following technical scheme: a pipette gun capable of pipetting quantitatively, comprising: the pipette comprises a pipette body, wherein the lower end of the pipette body is communicated with a negative pressure pipe, the bottom of the negative pressure pipe is communicated with a pipette, and the pipette is provided with a plurality of pipettes which are arranged in equal proportion.
Through adopting above-mentioned technical scheme, during the use, the user only needs to adjust the volume of absorbing total liquid, then installs the pipette that corresponds the proportion on the negative pressure pipe can the equal proportion absorb the liquid of different volumes simultaneously, improves the absorption speed, reduces intensity of labour.
Preferably, six pipettes are provided, the six pipettes having an internal diameter ratio of 1:2:3:4:5: 6.
Through adopting above-mentioned technical scheme, can with the liquid of absorption equal proportion divide to different imbibition pipes in, the user's that significantly reduces operating procedure has saved the time, raises the efficiency.
Preferably, the bottom of the negative pressure pipe is communicated with a connecting pipe, the outer wall of the lower end of the connecting pipe is provided with an external thread, the inner wall of the top of the liquid suction pipe is provided with an internal thread matched with the external thread, and the liquid suction pipe is screwed at the lower end of the connecting pipe.
Through adopting above-mentioned technical scheme, be convenient for to the dismouting of pipette, the pipette of the internal diameter of being convenient for change needs.
Preferably, a valve is fixedly arranged on the connecting pipe.
Through adopting above-mentioned technical scheme, can select to close the valve that corresponds with the pipette that does not use, improve the suitability of this device.
Preferably, the inner wall of the upper end of the pipette is fixedly connected with an annular limiting block, and a sealing ring is arranged on the annular limiting block.
Through adopting above-mentioned technical scheme, strengthen the leakproofness between pipette and the connecting pipe.
Preferably, the pipette is provided as a transparent plastic tube.
Through adopting above-mentioned technical scheme, make things convenient for the operator to see the imbibition pipe inside clearly, be convenient for wash the inside of imbibition pipe, leave the spot when avoiding wasing.
Compared with the prior art, the utility model has the beneficial effects that:
set up a plurality of pipettes through the equal proportion, only need adjust the liquid total volume that needs absorb through the dwang on adjusting the pipette gun body, just can once only absorb the liquid of different volumes in equal proportion, effectively reduced intensity of labour, improved work efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a strap of the present invention.
In the figure: 1. a pipette body; 2. a negative pressure tube; 3. a pipette; 4. a connecting pipe; 5. a seal ring; 6. a valve; 7. annular stopper.
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. 1-2, the present invention provides a technical solution:
as shown in fig. 1 and 2, a pipette gun capable of pipetting quantitatively includes: the pipette comprises a pipette body 1, wherein the lower end of the pipette body 1 is communicated with a negative pressure pipe 2, the bottom of the negative pressure pipe 2 is communicated with a connecting pipe 4, in order to facilitate the disassembly and assembly of a pipette tube 3, the outer wall of the lower end of the connecting pipe 4 is provided with an external thread, the inner wall of the top of the pipette tube 3 is provided with an internal thread matched with the external thread, the pipette tube 3 is screwed at the lower end of the connecting pipe 4, and meanwhile, the pipette tube 3 is convenient to replace, so that an operator can see the inside of the pipette tube 3 conveniently, the inside of the pipette tube 3 is cleaned conveniently, the pipette tube 3 is arranged into a transparent plastic pipe, and stains are prevented from being left during cleaning;
in order to ensure good sealing performance between the pipette 3 and the connecting pipe 4, the inner wall of the upper end of the pipette 3 is fixedly connected with an annular limiting block 7, the annular limiting block 7 is provided with a sealing ring 5, six pipettes 3 are arranged, and the inner diameter proportion of the six pipettes 3 is 1:2:3:4:5:6, so that the pipettes can divide the sucked liquid into different pipettes 3 in equal proportion, the operation steps of a user can be reduced, the time can be saved, and the working efficiency can be improved.
According to the technical scheme, the working steps of the scheme are summarized and carded:
when the liquid pipetting gun is used, when liquid with the total volume of 120 microliters needs to be pipetted, 50 microliters are given to the first experiment plate, 75 microliters are given to the second experiment plate, the total volume of the liquid needs to be pipetted is adjusted by rotating the rotating rod on the pipette body 1, then the pipettes 3 with the inner diameter ratio of 2:3 are respectively fixed at the lower ends of the connecting pipes 4, the valves 6 are opened, the valves 6 on the other unused connecting pipes 4 are closed, then the lower ends of the pipettes 3 extend into the liquid and are extracted out through the pipette body 1 at one time, according to the principle of air pressure, one of the volumes of the liquid in the two pipettes 3 is 50 microliters, and the other is 75 microliters, and then the liquid in the two pipettes 3 is respectively dripped on different experiment plates, so that the labor intensity is reduced, and the working efficiency is improved.
To sum up: according to the liquid transferring gun, the plurality of liquid transferring pipes 3 are arranged in equal proportion, and the liquid transferring gun body 1 is adjusted to the total volume of liquid to be absorbed only by adjusting the rotating rod, so that the liquid with different volumes can be absorbed in equal proportion at one time, the labor intensity is effectively reduced, and the working efficiency is improved.
The parts not involved in the present invention are the same as or can be implemented by the prior art. 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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A pipette gun for dispensing a metered amount of liquid, comprising: the pipette comprises a pipette body (1), wherein the lower end of the pipette body (1) is communicated with a negative pressure pipe (2), the bottom of the negative pressure pipe (2) is communicated with a pipette (3), the pipette (3) is provided with a plurality of pipettes, and the inner diameters of the pipette (3) are arranged in equal proportion.
2. A pipetting gun for quantitative pipetting according to claim 1, characterized in that: six liquid suction pipes (3) are arranged, and the inner diameter ratio of the six liquid suction pipes (3) is 1:2:3:4:5: 6.
3. A pipetting gun for quantitative pipetting according to claim 2, characterized in that: the bottom of the negative pressure pipe (2) is communicated with a connecting pipe (4), the outer wall of the lower end of the connecting pipe (4) is provided with an external thread, the inner wall of the top of the pipette (3) is provided with an internal thread matched with the external thread, and the pipette (3) is in threaded connection with the lower end of the connecting pipe (4).
4. A pipetting gun for quantitative pipetting according to claim 3, characterized in that: and a valve (6) is fixedly arranged on the connecting pipe (4).
5. A pipetting gun for quantitative pipetting according to claim 4, characterized in that: the upper end inner wall fixedly connected with annular stopper (7) of pipette (3), be provided with sealing washer (5) on annular stopper (7).
6. A pipetting gun for quantitative pipetting according to claim 5, characterized in that: the pipette (3) is arranged as a transparent plastic tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121965740.0U CN215783457U (en) | 2021-08-20 | 2021-08-20 | Liquid-transfering gun capable of quantitatively transfering liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121965740.0U CN215783457U (en) | 2021-08-20 | 2021-08-20 | Liquid-transfering gun capable of quantitatively transfering liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215783457U true CN215783457U (en) | 2022-02-11 |
Family
ID=80149318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121965740.0U Expired - Fee Related CN215783457U (en) | 2021-08-20 | 2021-08-20 | Liquid-transfering gun capable of quantitatively transfering liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215783457U (en) |
-
2021
- 2021-08-20 CN CN202121965740.0U patent/CN215783457U/en not_active Expired - Fee Related
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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: 20220211 |