CN108080047B - liquid transfer device with liquid dropping function and liquid transfer method - Google Patents
liquid transfer device with liquid dropping function and liquid transfer method Download PDFInfo
- Publication number
- CN108080047B CN108080047B CN201711259266.8A CN201711259266A CN108080047B CN 108080047 B CN108080047 B CN 108080047B CN 201711259266 A CN201711259266 A CN 201711259266A CN 108080047 B CN108080047 B CN 108080047B
- Authority
- CN
- China
- Prior art keywords
- liquid
- flow deflector
- cylindrical barrel
- push rod
- pore
- Prior art date
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Links
- 239000007788 liquid Substances 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims description 16
- 239000011148 porous material Substances 0.000 claims abstract description 32
- 230000000149 penetrating effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 241000238367 Mya arenaria Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
- B01L3/0217—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type
Abstract
The invention discloses a liquid transfer device with a liquid dropping function, which comprises a transparent cylindrical barrel with an opening at one end, wherein the cylindrical barrel is inwards connected with a first flow deflector and a second flow deflector along the inner wall from the opening end; the first flow deflector is provided with a plurality of first pore channels at equal angles, and the second flow deflector is provided with a plurality of second pore channels at equal angles; the quantitative transfer and constant-speed dripping of the liquid can be realized; still have simple structure, the leakproofness is good, easy operation, the precision, advantage that the flexibility is good.
Description
Technical Field
The invention relates to the technical field of experimental equipment, in particular to a liquid transfer device with a liquid dropping function and a liquid transfer method by using the device.
Background
The liquid-transfering device is a measuring device for accurately transferring a certain volume of solution, the existing liquid-transfering device can measure the solution by means of the artificial cooperation of an ear sucking ball, the uncertainty of artificial control is large, and the required effect can be achieved by measuring for many times. The dropping funnel is the conventional instrument of synthetic experiment, most are used for organic synthetic experiment, when using the dropping funnel, can make the even outflow of liquid in the funnel, can also control reaction rate through the speed of control dropping liquid, because the tee bend department of current funnel is open structure with the external world, can make the outer hourglass of solution run off because of connecting inseparably between piston and the tee bend during the dropping liquid, cause the solution dropwise add volume inaccurate, the experimental effect variation, and the liquid that drips is usually through other volume liquid container transfer in dropping funnel, its troublesome poeration, at the in-process that moves the liquid, also have certain loss to liquid. The pipetting device and the dropping funnel are only suitable for taking and dropping, respectively, and therefore their use is limited.
Disclosure of Invention
The invention aims to provide a liquid transfer device with a liquid dropping function, which can realize quantitative transfer and constant-speed dropping of liquid in the liquid transfer process.
it is another object of the present invention to provide a pipetting method.
The invention adopts the technical scheme that the liquid transfer device with the liquid dropping function comprises a transparent cylindrical barrel with an opening at one end, wherein the cylindrical barrel is inwards connected with a first flow deflector and a second flow deflector along the inner wall from the opening end;
The first flow deflector is provided with a plurality of first pore channels at equal angles, and the second flow deflector is provided with a plurality of second pore channels at equal angles.
The invention is also characterized in that:
the outer eaves of first water conservancy diversion piece, second water conservancy diversion piece have all cup jointed the flexible glue shell, and every flexible glue shell is laminated with the cylinder inner wall mutually.
One end of the second push rod outside the cylindrical barrel is connected with a plug.
The number of the first pore passage and the second pore passage is at least three.
The invention adopts another technical scheme that a liquid transferring method is based on the constant-pressure liquid dropping by using the liquid transferring device, and the specific method comprises the following steps:
Pushing the first push rod to push the first flow deflector and the second flow deflector to one end of the cylindrical barrel close to the liquid suction pipe; rotating the first push rod, and simultaneously driving the first flow deflector by the first push rod to ensure that a first pore passage on the first flow deflector is completely staggered with a second pore passage on the second flow deflector;
The liquid suction pipe is stretched into the liquid to be dripped, the second push rod is pushed towards the opening end of the cylindrical barrel, the liquid is sucked into the cylindrical barrel, and the amount of the dripped liquid to be measured is judged through the scale marks; and moving the liquid transfer device to the mouth of the experimental container to be dripped, rotating the first push rod, and adjusting the overlapping area of the first pore channel and the second pore channel so as to realize constant-speed liquid dripping.
The invention adopts another technical scheme that a liquid transfer method is based on quantitative transfer by using the liquid transfer device, and the specific method comprises the following steps:
pushing the first push rod to push the first flow deflector and the second flow deflector to one end of the cylindrical barrel close to the liquid suction pipe; rotating the first push rod, and simultaneously driving the first flow deflector by the first push rod to ensure that a first pore passage on the first flow deflector is completely staggered with a second pore passage on the second flow deflector;
the liquid suction pipe is stretched into the liquid to be transferred, the second push rod is pushed towards the opening end of the cylindrical barrel, the liquid is sucked into the cylindrical barrel, and meanwhile the amount of the solution to be measured is judged through the scale marks; the liquid transferring device is moved to the opening of an experimental container needing to be added with the solution, and the first push rod is pushed to one end, close to the liquid transferring tube, of the cylindrical barrel, so that quantitative transfer of the liquid is achieved.
The liquid transfer device with the liquid dropping function has the beneficial effects that the liquid transfer device with the liquid dropping function can realize quantitative transfer and constant-speed dropping of liquid; still have simple structure, the leakproofness is good, easy operation, the precision, advantage that the flexibility is good.
Drawings
fig. 1 is a schematic structural view of a liquid transfer device with a liquid dropping function according to the present invention.
In the figure, 1, a cylindrical barrel, 2, a first flow deflector, 3, a second flow deflector, 4, a first push rod, 5, a second push rod, 6, a first pore passage, 7, a scale mark, 8, a second pore passage, 9, a pipette, 10, a plug and 11, a soft rubber shell.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to a liquid transfer device with a liquid dropping function, which comprises a transparent cylindrical barrel 1 with an opening at one end, wherein the cylindrical barrel 1 is connected with a first flow deflector 2 and a second flow deflector 3 from the opening end to the inner side along the inner wall, a first push rod 4 is connected to one surface of the first flow deflector 2 away from the second flow deflector 3, the first push rod 4 extends to the outside of the cylindrical barrel 1 from the opening of the cylindrical barrel 1, a second push rod 5 is connected to one surface of the second flow deflector 3 away from the first flow deflector 2, the second push rod 5 passes through the other end of the cylindrical barrel 1 and extends to the outside of the cylindrical barrel 1, a liquid suction pipe 9 is communicated with the outside of the other end of the cylindrical barrel 1, and the outer wall of the cylindrical barrel 1 is provided with a scale mark 7 which can quantitatively measure;
the first flow deflector 2 is provided with a plurality of first pore channels 6 at equal angles, and the second flow deflector 3 is provided with a plurality of second pore channels 8 at equal angles.
The outer eaves of first water conservancy diversion piece 2, second water conservancy diversion piece 3 have all cup jointed soft shell 11, and every soft shell 11 and 1 inner wall of a cylinder are laminated mutually, make first water conservancy diversion piece 2, second water conservancy diversion piece 3 and 1 leakproofness of a cylinder better in the use.
One end of the second push rod 5 outside the cylindrical barrel 1 is connected with a plug 10, so that the second push rod 5 can be pushed conveniently, and the second push rod 5 can be prevented from entering the cylindrical barrel 1.
At least three first pore passages 6 and at least three second pore passages 8 are provided, so that the dropping speed can be conveniently controlled during dropping.
a liquid transfer method is based on the constant-pressure liquid dropping by using the liquid transfer device, and the specific method comprises the following steps:
pushing the first push rod 4 to push the first guide vane 2 and the second guide vane 3 to one end of the cylindrical barrel 1 close to the liquid suction pipe 9; rotating the first push rod 4, and simultaneously driving the first flow deflector 2 by the first push rod 4 to ensure that the first pore passage 6 on the first flow deflector 2 and the second pore passage 8 on the second flow deflector 3 are completely staggered;
the pipette 9 is extended into the liquid to be dripped, the second push rod 5 is pushed towards the opening end of the cylindrical barrel 1, then the liquid is sucked into the cylindrical barrel 1, and the required amount of the dripped liquid is judged through the scale mark 7; and moving the liquid transfer device to the mouth of the experimental container to be dripped, rotating the first push rod 4, and adjusting the overlapping area of the first pore channel 6 and the second pore channel 8 so as to realize constant-speed liquid dripping.
A pipetting method is based on quantitative transfer by using the pipetting device, and comprises the following specific steps:
pushing the first push rod 4 to push the first guide vane 2 and the second guide vane 3 to one end of the cylindrical barrel 1 close to the liquid suction pipe 9; rotating the first push rod 4, and simultaneously driving the first flow deflector 2 by the first push rod 4 to ensure that the first pore passage 6 on the first flow deflector 2 and the second pore passage 8 on the second flow deflector 3 are completely staggered;
The liquid suction pipe 9 is extended into the liquid to be transferred, the second push rod 5 is pushed towards the opening end of the cylindrical barrel 1, then the liquid is sucked into the cylindrical barrel 1, and meanwhile, the amount of the solution to be measured is judged through the scale marks 7; the liquid transferring device moves to the mouth of the experimental container to which the solution needs to be added, and the first push rod 4 is pushed to one end of the cylindrical barrel 1 close to the liquid transferring tube 9, so that quantitative transfer of the liquid is realized.
Through the mode, the liquid transfer device with the liquid dropping function can realize quantitative transfer and constant-speed dropping of liquid; still have simple structure, the leakproofness is good, easy operation, the precision, advantage that the flexibility is good.
Claims (4)
1. The liquid transfer device with the liquid dropping function is characterized by comprising a cylindrical barrel (1) with an opening at one end and being transparent, wherein the cylindrical barrel (1) is internally connected with a first flow deflector (2) and a second flow deflector (3) along the inner wall respectively from the opening end, one side of the first flow deflector (2) far away from the second flow deflector (3) is connected with a first push rod (4), the first push rod (4) extends to the outside of the cylindrical barrel (1) from the opening of the cylindrical barrel (1), the second flow deflector (3) far away from the first flow deflector (2) is connected with a second push rod (5), one end of the second push rod (5) outside the cylindrical barrel (1) is connected with a plug (10), the other end of the second push rod (5) penetrating through the cylindrical barrel (1) extends to the outside of the cylindrical barrel (1), and the outside of the other end of the cylindrical barrel (1) is communicated with a liquid suction pipe (9), the outer wall of the cylindrical barrel (1) is provided with scale marks (7); soft rubber shells (11) are sleeved on the outer edges of the first flow deflector (2) and the second flow deflector (3), and each soft rubber shell (11) is attached to the inner wall of the cylindrical barrel (1);
The first flow deflector (2) is provided with a plurality of first pore channels (6) at equal angles, and the second flow deflector (3) is provided with a plurality of second pore channels (8) at equal angles.
2. A liquid transfer apparatus with a dripping function according to claim 1, wherein said first hole (6) and said second hole (8) are at least three.
3. A pipetting method characterized by performing constant pressure pipetting based on the pipetting device as recited in any one of claims 1 to 2 by:
Pushing the first push rod (4) to push the first flow deflector (2) and the second flow deflector (3) to one end of the cylindrical barrel (1) close to the liquid suction pipe (9); rotating the first push rod (4), and simultaneously driving the first flow deflector (2) by the first push rod (4) to ensure that a first pore passage (6) on the first flow deflector (2) is completely staggered with a second pore passage (8) on the second flow deflector (3);
The liquid suction pipe (9) is stretched into the liquid to be dripped, the second push rod (5) is pushed towards the opening end of the cylindrical barrel (1), then the liquid is sucked into the cylindrical barrel (1), and the amount of the dripped liquid to be measured is judged through the scale mark (7); and moving the liquid transfer device to the mouth of the experimental container needing to be dripped, rotating the first push rod (4), and adjusting the overlapping area of the first pore channel (6) and the second pore channel (8) so as to realize liquid dripping.
4. A pipetting method characterized by carrying out quantitative transfer based on the pipetting device according to any one of claims 1 to 2, the method comprising:
Pushing the first push rod (4) to push the first flow deflector (2) and the second flow deflector (3) to one end of the cylindrical barrel (1) close to the liquid suction pipe (9); rotating the first push rod (4), and simultaneously driving the first flow deflector (2) by the first push rod (4) to ensure that a first pore passage (6) on the first flow deflector (2) is completely staggered with a second pore passage (8) on the second flow deflector (3);
A liquid suction pipe (9) is stretched into the liquid to be transferred, a second push rod (5) is pushed towards the opening end of the cylindrical barrel (1), then the liquid is sucked into the cylindrical barrel (1), and the amount of the solution to be measured is judged through the scale marks (7); the liquid transfer device is moved to the mouth of an experimental container to which the solution needs to be added, and the first push rod (4) is pushed to one end of the cylindrical barrel (1) close to the liquid transfer tube (9), so that quantitative transfer of the liquid is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711259266.8A CN108080047B (en) | 2017-12-04 | 2017-12-04 | liquid transfer device with liquid dropping function and liquid transfer method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711259266.8A CN108080047B (en) | 2017-12-04 | 2017-12-04 | liquid transfer device with liquid dropping function and liquid transfer method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108080047A CN108080047A (en) | 2018-05-29 |
| CN108080047B true CN108080047B (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711259266.8A Active CN108080047B (en) | 2017-12-04 | 2017-12-04 | liquid transfer device with liquid dropping function and liquid transfer method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108080047B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4294125A (en) * | 1980-04-24 | 1981-10-13 | Lee Tsao Piao | Pipette controller with graduate reading plunger and lever assembly for gravity drainage |
| CN202666878U (en) * | 2012-06-29 | 2013-01-16 | 深圳市瑞沃德生命科技有限公司 | Regulation and control device for trace liquid sample pipette |
| CN204234114U (en) * | 2014-06-24 | 2015-04-01 | 青岛易邦生物工程有限公司 | Move liquid auxiliary support frame |
| CN207769824U (en) * | 2017-12-04 | 2018-08-28 | 西安工程大学 | A kind of liquid relief and dropping liquid integral type experimental provision |
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2017
- 2017-12-04 CN CN201711259266.8A patent/CN108080047B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108080047A (en) | 2018-05-29 |
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Effective date of registration: 20201217 Address after: No. 406, Huaihe West Road, Chuzhou, Anhui Province Patentee after: Chuzhou Chuangxing refrigeration accessories Processing Co.,Ltd. Address before: 710048 No. 19 Jinhua South Road, Shaanxi, Xi'an Patentee before: XI'AN POLYTECHNIC University |
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Effective date of registration: 20240109 Address after: No. 180 Langya Road, Chuzhou City, Anhui Province, 239000 (West 4th Floor, Chuzhou Grand Theater) Patentee after: Chuzhou Modern Industry Investment and Development Co.,Ltd. Address before: No. 406, Huaihe West Road, Chuzhou, Anhui Province Patentee before: Chuzhou Chuangxing refrigeration accessories Processing Co.,Ltd. |