CN202570211U - Adjustable quantitative liquid transferring device for chemical laboratory - Google Patents
Adjustable quantitative liquid transferring device for chemical laboratory Download PDFInfo
- Publication number
- CN202570211U CN202570211U CN 201220204223 CN201220204223U CN202570211U CN 202570211 U CN202570211 U CN 202570211U CN 201220204223 CN201220204223 CN 201220204223 CN 201220204223 U CN201220204223 U CN 201220204223U CN 202570211 U CN202570211 U CN 202570211U
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- Prior art keywords
- sleeve pipe
- plunger
- pipette
- column
- stick harness
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- Expired - Fee Related
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Abstract
The utility model discloses an adjustable quantitative liquid transferring device for a chemical laboratory, relates to the adjustable quantitative liquid transferring device and aims to solve the problems that a small amount of liquid is transferred at one time, and a large amount of liquid is transferred by multiple times of operation, so inconvenience is brought to an operator, and the liquid transferring amount is not accurate due to multiple times of liquid transferring in the liquid transferring process of the conventional adjustable quantitative liquid transferring device for the laboratory. According to the adjustable quantitative liquid transferring device, one end of a first plunger column is fixedly connected with the lower end of a plunger device; the other end of the first plunger column is arranged in a first sleeve pipe which is fixed with the lower end of a first columnar plunger; a second columnar plunger is sleeved on a columnar pipe and is fixedly arranged on a through port of a supporting and fixing frame; one end of a plunger rod is fixedly arranged on one side of the plunger device, and the other end of the plunger rod slidably penetrates through the columnar pipe and is fixed with a second plunger column; a second sleeve pipe is sleeved on the second plunger column and is fixedly connected with the lower end of the second columnar plunger; the volume ratio of the second sleeve pipe to the first sleeve pipe is 3 to 1; and the adjustable quantitative liquid transferring device is used for the liquid transferring process in the chemical laboratory.
Description
Technical field
The utility model relates to a kind of adjustable quantitative liquid-transfering device, is specifically related to a kind of adjustable quantitative liquid-transfering device that is used for chemical laboratory.
Background technology
But pipettor be a kind of in certain range of capacity the liquid taking device of regulated at will; Principle is: utilize the straight line of its inner special piston in piston cylinder to move the internal capacity that changes piston cylinder; Thereby realize the absorption or the discharge of liquid, reach the purpose of quantitative transfer liquid.People utilize this principle to invent a lot of pipettors, and wherein adjustable pipette is through adjusting device, and the variation of piston/cylinder volume is realized in the position that changes the piston rest point; And the effect that utilizes the one-level spring force makes piston get back to initial position, and this pipettor is because long-time the use, and the force-bearing situation of spring is not good; It is inaccurate to cause moving liquid; Simultaneously, spring also gets rusty easily, and has shortened the service life of spring.In order to overcome above-mentioned shortcoming; The design that the patent No. is 2011200541945, the applying date is on March 3rd, 2011, patent name has been cancelled spring for disclosed pipettor in the patent of " the adjustable quantitative pipettor is used in the laboratory "; It is few that but liquid measure is moved with adjustable quantitative pipettor single in moving the liquid process in existing this laboratory, needs multi-pass operation to accomplish and move liquid in a large number, brought inconvenience to the operator; Simultaneously, repeatedly move liquid and cause easily that to move liquid measure not accurate.
Summary of the invention
The purpose of the utility model is that to move liquid measure with adjustable quantitative pipettor single in moving the liquid process few in order to solve the current experiments chamber; Need multi-pass operation to accomplish and move liquid in a large number; Bring inconvenience to the operator; Simultaneously, repeatedly move liquid and cause easily and move not problem accurately of liquid measure, and then a kind of adjustable quantitative liquid-transfering device that is used for chemical laboratory is provided.
The technical scheme of the utility model is: a kind of adjustable quantitative liquid-transfering device that is used for chemical laboratory comprises solution bottle, plunger device, column chi, first pipette, bottle cap, first sleeve pipe, the first feed liquor check valve, unidirectional delivery valve, first stick harness, drawing handle, vernier scale and snap ring, and the bottle cap lid is contained on the solution bottle, and the first column plug is packed in the lower end of bottle cap; The plunger device slides successively and passes bottle cap and the first column plug is arranged in the solution bottle, and an end of first stick harness and the lower end of plunger device are affixed, and the other end of first stick harness is arranged in first sleeve pipe that installs with the first column plug lower end; And be matched in clearance with the inwall of first sleeve pipe, the lower end of first sleeve pipe has first inlet, is provided with the first feed liquor check valve in first inlet; One end of first pipette is connected with the lower end of first sleeve pipe, and the other end of first pipette passes the outside that bottle cap extends to the solution bottle, is provided with unidirectional delivery valve in first pipette; The top of plunger device is provided with drawing handle; One side of drawing handle is provided with vernier scale, and vernier scale is mutually the right angle overlap joint with the column chi that is fixed on the bottle cap, and snap ring is arranged on the column chi; The scale of column chi is consistent with the scale of first sleeve pipe; Said adjustable quantitative liquid-transfering device also comprises second sleeve pipe, the second feed liquor check valve, second stick harness, plunger rod, second pipette, hose clamp, supporting and mounting bracket and stylostome, and the lower end of second sleeve pipe has second inlet, and the second feed liquor check valve is arranged in second inlet; Supporting and mounting bracket is packed in the solution bottle; The second column plug sleeve is contained on the stylostome, and the second column plug is packed in passing on the mouth of supporting and mounting bracket, and an end of plunger rod is packed in a side of plunger device; Stylostome is passed in the other end slip of plunger rod and second stick harness installs; Second casing pipe sleeve is contained on second stick harness, and is matched in clearance between second sleeve pipe and second stick harness, and the lower end of second sleeve pipe and the second column plug is affixed; One end of second pipette is connected with the bottom of second sleeve pipe; The other end of second pipette is connected with first pipette, and hose clamp is arranged on second pipette, and the volumetric ratio of second sleeve pipe and first sleeve pipe is 3:1.
The utility model compared with prior art has following effect: 1. the utility model adopts two sleeve pipes to move liquid simultaneously; It is many to move liquid measure; Effectively solved and moved in the liquid process single to move liquid measure few, needed multi-pass operation to accomplish and move liquid in a large number, brought inconvenient problem to the operator.2. the utility model is simple to operate, and not only two sleeve pipes can move liquid simultaneously, and the volume between two sleeve pipes is directly proportional, and is convenient to accurately move liquid.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
The specific embodiment one: combine Fig. 1 that this embodiment is described, this embodiment comprises solution bottle 1, plunger device 2, column chi 3, first pipette 4, bottle cap 5, first sleeve pipe 6, the first feed liquor check valve 8, unidirectional delivery valve 9, first stick harness 10, drawing handle 11, vernier scale 12, snap ring 13, second sleeve pipe 14, the second feed liquor check valve 15, second stick harness 16, plunger rod 17, second pipette 18, hose clamp 19, supporting and mounting bracket 21 and stylostome 22, and bottle cap 5 lids are contained on the solution bottle 1; The first column plug is packed in the lower end of bottle cap 5, and plunger device 2 slides successively and passes bottle cap 5 and the first column plug is arranged in the solution bottle 1, and an end of first stick harness 10 and the lower end of plunger device 2 are affixed; The other end of first stick harness 10 is arranged in first sleeve pipe 6 that installs with the first column plug lower end, and is matched in clearance with the inwall of first sleeve pipe 6, and the lower end of first sleeve pipe 6 has first inlet 7; Be provided with the first feed liquor check valve 8 in first inlet 7; One end of first pipette 4 is connected with the lower end of first sleeve pipe 6, and the other end of first pipette 4 passes the outside that bottle cap 5 extends to solution bottle 1, is provided with unidirectional delivery valve 9 in first pipette 4; The top of plunger device 2 is provided with drawing handle 11; One side of drawing handle 11 is provided with vernier scale 12, and vernier scale 12 is mutually the right angle overlap joint with the column chi 3 that is fixed on the bottle cap 5, and snap ring 13 is arranged on the column chi 3; The scale of column chi 3 is consistent with the scale of first sleeve pipe 6; The lower end of second sleeve pipe 14 has second inlet, 20, the second feed liquor check valves 15 and is arranged in second inlet 20, and supporting and mounting bracket 21 is packed in the solution bottle 1; The second column plug sleeve is contained on the stylostome 22; The second column plug is packed in passing on the mouth of supporting and mounting bracket 21, and an end of plunger rod 17 is packed in a side of plunger device 2, and stylostome 22 is passed in the other end slip of plunger rod 17 and second stick harness 16 installs; Second sleeve pipe 14 is sleeved on second stick harness 16; And be matched in clearance between second sleeve pipe 14 and second stick harness 16, the lower end of second sleeve pipe 14 and the second column plug is affixed, and an end of second pipette 18 is connected with the bottom of second sleeve pipe 14; The other end of second pipette 18 is connected with first pipette 4; Hose clamp 19 is arranged on second pipette 18, and the volumetric ratio of second sleeve pipe 14 and first sleeve pipe 6 is 3:1, and plunger rod 17 is processed one with plunger device 2.
The course of work of the utility model is:
1, low capacity moves liquid (moving liquid measure less than 10ml):
At first, make the hose clamp 19 on second pipette 18 be in closed condition, simultaneously, take out the second feed liquor check valve 15; Then, according to the position of demand setting snap ring 13, upwards extract drawing handle 11, until snap ring 13 places that are provided with, solution gets in first sleeve pipe 6; At last, promoting drawing handle 11 can will wait to move liquid and transfer in other containers through first pipette 4.
2, low capacity moves liquid (moving liquid measure greater than 10ml):
At first, make the hose clamp 19 on second pipette 18 be in opening, simultaneously, put into the second feed liquor check valve 15; Then, proportionally calculate the scale value of required amount of liquid on column chi 3, and snap ring 13 is packed in corresponding position, upwards extract drawing handle 11, until snap ring 13 places that are provided with, solution gets into respectively in first sleeve pipe 6 and second sleeve pipe 14; At last, promote drawing handle 11 can with first sleeve pipe 6 and second sleeve pipe 14 interior wait that moving liquid transfers in other containers through first pipette 4 and second pipette 18.
Claims (2)
1. adjustable quantitative liquid-transfering device that is used for chemical laboratory; It comprises solution bottle (1), plunger device (2), column chi (3), first pipette (4), bottle cap (5), first sleeve pipe (6), the first feed liquor check valve (8), unidirectional delivery valve (9), first stick harness (10), drawing handle (11), vernier scale (12) and snap ring (13); Bottle cap (5) lid is contained on the solution bottle (1); The first column plug is packed in the lower end of bottle cap (5); Plunger device (2) slides successively and passes bottle cap (5) and the first column plug is arranged in the solution bottle (1), and the lower end of an end of first stick harness (10) and plunger device (2) is affixed, and the other end of first stick harness (10) is arranged in first sleeve pipe (6) that installs with the first column plug lower end; And be matched in clearance with the inwall of first sleeve pipe (6); The lower end of first sleeve pipe (6) has first inlet (7), is provided with the first feed liquor check valve (8) in first inlet (7), and an end of first pipette (4) is connected with the lower end of first sleeve pipe (6); The other end of first pipette (4) passes the outside that bottle cap (5) extends to solution bottle (1); Be provided with unidirectional delivery valve (9) in first pipette (4), the top of plunger device (2) is provided with drawing handle (11), and a side of drawing handle (11) is provided with vernier scale (12); Vernier scale (12) is mutually the right angle overlap joint with the column chi (3) that is fixed on the bottle cap (5); Snap ring (13) is arranged on the column chi (3), and the scale of column chi (3) is consistent with the scale of first sleeve pipe (6), it is characterized in that: said adjustable quantitative liquid-transfering device also comprises second sleeve pipe (14), the second feed liquor check valve (15), second stick harness (16), plunger rod (17), second pipette (18), hose clamp (19), supporting and mounting bracket (21) and stylostome (22); The lower end of second sleeve pipe (14) has second inlet (20); The second feed liquor check valve (15) is arranged in second inlet (20), and supporting and mounting bracket (21) is packed in the solution bottle (1), and the second column plug sleeve is contained on the stylostome (22); The second column plug is packed in passing on the mouth of supporting and mounting bracket (21); One end of plunger rod (17) is packed in a side of plunger device (2), and the other end slip of plunger rod (17) is passed stylostome (22) and installed with second stick harness (16), and second sleeve pipe (14) is sleeved on second stick harness (16); And be matched in clearance between second sleeve pipe (14) and second stick harness (16); Second sleeve pipe (14) is affixed with the lower end of the second column plug, and an end of second pipette (18) is connected with the bottom of second sleeve pipe (14), and the other end of second pipette (18) is connected with first pipette (4); Hose clamp (19) is arranged on second pipette (18), and second sleeve pipe (14) is 3:1 with the volumetric ratio of first sleeve pipe (6).
2. a kind of adjustable quantitative liquid-transfering device that is used for chemical laboratory according to claim 1 is characterized in that: plunger rod (17) is processed one with plunger device (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220204223 CN202570211U (en) | 2012-05-09 | 2012-05-09 | Adjustable quantitative liquid transferring device for chemical laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220204223 CN202570211U (en) | 2012-05-09 | 2012-05-09 | Adjustable quantitative liquid transferring device for chemical laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202570211U true CN202570211U (en) | 2012-12-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220204223 Expired - Fee Related CN202570211U (en) | 2012-05-09 | 2012-05-09 | Adjustable quantitative liquid transferring device for chemical laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202570211U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634611A (en) * | 2013-11-14 | 2015-05-20 | 艾博生物医药(杭州)有限公司 | Device and method using same |
| CN106799266A (en) * | 2016-11-23 | 2017-06-06 | 中国计量大学 | A kind of hand-held capacity calibration device of pipettor and calibration method |
| CN110227567A (en) * | 2019-06-19 | 2019-09-13 | 武汉科技大学 | A kind of numerical control high temperature liquid-transfering gun |
-
2012
- 2012-05-09 CN CN 201220204223 patent/CN202570211U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634611A (en) * | 2013-11-14 | 2015-05-20 | 艾博生物医药(杭州)有限公司 | Device and method using same |
| CN104634611B (en) * | 2013-11-14 | 2018-07-13 | 艾博生物医药(杭州)有限公司 | A method of the device of quantitative shunting is carried out to liquid sample and uses the device |
| CN106799266A (en) * | 2016-11-23 | 2017-06-06 | 中国计量大学 | A kind of hand-held capacity calibration device of pipettor and calibration method |
| CN106799266B (en) * | 2016-11-23 | 2018-12-25 | 中国计量大学 | A kind of hand-held capacity calibration device of pipettor and calibration method |
| CN110227567A (en) * | 2019-06-19 | 2019-09-13 | 武汉科技大学 | A kind of numerical control high temperature liquid-transfering gun |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20140509 |