CN202606173U - Accurate liquid-moving device used in chemical laboratory - Google Patents
Accurate liquid-moving device used in chemical laboratory Download PDFInfo
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- CN202606173U CN202606173U CN 201220224731 CN201220224731U CN202606173U CN 202606173 U CN202606173 U CN 202606173U CN 201220224731 CN201220224731 CN 201220224731 CN 201220224731 U CN201220224731 U CN 201220224731U CN 202606173 U CN202606173 U CN 202606173U
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- liquid
- transfering device
- moving device
- sleeve pipe
- bottle cap
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Abstract
The utility model discloses an accurate liquid-moving device used in a chemical laboratory, relates to an accurate liquid-moving device and aims at solving the problems that in the process of moving of liquid, an existing liquid-moving device, with adjustable ration, used for the laboratory is small in amount of liquid moved in one time, moving of a large amount of liquid can be achieved only after operated repeatedly, and therefore the fractional part of the amount of the moved liquid is easily caused to be not accurate enough. One end of a first liquid-moving tube of the accurate liquid-moving device is communicated with the lower end of a first liquid-moving device. The other end of the first liquid-moving pipe passes through a bottle cap and is connected with the outside. One end of a column-shaped tube is communicated with the lower end of a second liquid-moving device, and the other end of the column-shaped tube is communicated with the first liquid-moving tube. Two longitudinal rows of graduations are arranged on a column-shaped ruler. The containing volume of the second liquid-moving device is 1-5 times that of the first liquid-moving device. The column-shaped ruler is fixed on the bottle cap. A clamping ring is clamped on the column-shaped ruler. A push-pull handle is clamped between the column-shaped ruler and the upper portion of the first liquid-moving device or the upper portion of the second liquid-moving device. The accurate liquid-moving device is used in the process of moving of the liquid in the chemical laboratory.
Description
Technical field
The utility model relates to a kind of accurate pipettor, is specifically related to a kind of accurate pipettor that is used for chemistry laboratory.
Background technology
Pipettor is a biological or chemical laboratory single track pipettor commonly used, and distinguished is that pipettor has and can move liquid measure by user oneself calibration, and auxiliary without instrument, the characteristics of quick detachable and easy care.Simultaneously, the also abundant ergonomic principle of pipettor is used by each laboratory widely.Adjustable pipette is as basic pipettor, if long-time the use make that the force-bearing situation of spring is not good, thereby it is inaccurate to cause moving liquid, in addition, spring gets rusty easily, and has shortened the service life of spring.In order to overcome above-mentioned shortcoming; The patent No. is 2011200541945, the applying date is on March 3rd, 2011, patent name has been cancelled the design of spring for disclosed pipettor in the patent of " the adjustable quantitative pipettor use in the laboratory ", but needs the accurately experiment of prescription for some, and the amount of liquid is required very strictness; Existing this laboratory with the adjustable quantitative pipettor in moving the liquid process; It is few to exist single to move liquid measure, needs multi-pass operation to accomplish and moves liquid in a large number, causes the not accurate enough problem of fractional part of moving liquid measure easily; Move liquid 500.5ml or 0.5 ml liquid like needs, have that to move the liquid error big.
The utility model content
The purpose of the utility model be for solve existing this laboratory with the adjustable quantitative pipettor in moving the liquid process; It is few to exist single to move liquid measure; Need multi-pass operation to accomplish and move liquid in a large number; Cause the not accurate enough problem of fractional part of moving liquid measure easily, and then a kind of accurate pipettor that is used for chemistry laboratory is provided.
The technical scheme of the utility model is: the accurate pipettor that is used for chemistry laboratory comprises first liquid-transfering device, solution bottle, bottle cap, first pipette and unidirectional delivery valve, and the bottle cap lid is contained on the solution bottle, and first liquid-transfering device passes bottle cap and is arranged in the solution bottle; One end of first pipette is communicated with the lower end of first liquid-transfering device; The other end of first pipette passes bottle cap and is connected with extraneous, and unidirectional delivery valve is arranged in first pipette, and said accurate pipettor also comprises second liquid-transfering device, column chi, snap ring, stylostome, pipe clamp and drawing handle; Second liquid-transfering device passes bottle cap and is arranged in the solution bottle; One end of stylostome is communicated with the lower end of second liquid-transfering device, and the other end of stylostome is communicated with first pipette, and pipe clamp is clamped on the stylostome; The column chi is provided with two vertical row's scales; The first vertical scale of arranging is represented the capacity that takes up in first liquid-transfering device, and second vertical row's scale is represented the capacity that takes up of second liquid-transfering device, and the capacity of taking up of second liquid-transfering device is 1-5 a times of the capacity that takes up in first liquid-transfering device; The column chi is packed on the bottle cap; And the column chi is between first liquid-transfering device and second liquid-transfering device, and snap ring is installed on the column chi, and drawing handle is arranged between the top of top or second liquid-transfering device of the column chi and first liquid-transfering device.
The utility model compared with prior art has following effect: 1. the utility model is simple in structure, is easy to realize, between first liquid-transfering device and second liquid-transfering device, is provided with the column chi; And extracting solution through the drawing handle that is installed on the draw-in groove, the column chi is provided with two vertical row's scales, and is provided with snap ring; Effectively guaranteed the extraction precision of solution; First liquid-transfering device is used to extract the liquid of low capacity, can guarantee that the fractional part of liquid measure is accurate, and second liquid-transfering device is used to extract jumbo liquid; It is convenient to extract, quick.
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 first liquid-transfering device, solution bottle 1, bottle cap 5, first pipette 6 and unidirectional delivery valve 8, and bottle cap 5 lids are contained on the solution bottle 1, and first liquid-transfering device passes bottle cap 5 and is arranged in the solution bottle 1; One end of first pipette 6 is communicated with the lower end of first liquid-transfering device; The other end of first pipette 6 passes bottle cap 5 and is connected with extraneous, and unidirectional delivery valve 8 is arranged in first pipette 6, and said accurate pipettor also comprises second liquid-transfering device, column chi 10, snap ring 11, stylostome 12, pipe clamp 13 and drawing handle 9; Second liquid-transfering device passes bottle cap 5 and is arranged in the solution bottle 1; One end of stylostome 12 is communicated with the lower end of second liquid-transfering device, and the other end of stylostome 12 is communicated with first pipette 6, and pipe clamp 13 is clamped on the stylostome 12; Column chi 10 is provided with two vertical row's scales; The first vertical scale of arranging is represented the capacity that takes up in first liquid-transfering device, and second vertical row's scale is represented the capacity that takes up of second liquid-transfering device, and the capacity of taking up of second liquid-transfering device is 1-5 a times of the capacity that takes up in first liquid-transfering device; Column chi 10 is packed on the bottle cap 5; And column chi 10 is between first liquid-transfering device and second liquid-transfering device, and snap ring 11 is installed on the column chi 10, and drawing handle 9 is arranged between the top of top or second liquid-transfering device of the column chi 10 and first liquid-transfering device.
First liquid-transfering device of this embodiment comprises first sleeve pipe 2, first stick harness 3, the first plunger device 4 and the first feed liquor check valve 7; The first plunger device 4 slides and is located on the bottle cap 5; First stick harness 3 is packed in the bottom of the first plunger device 4; First sleeve pipe 2 is sleeved on first stick harness 3, and matched in clearance between first sleeve pipe 2 and first stick harness 3, and the lower end of first sleeve pipe 2 has the first inlet 2-1; An end that is provided with the first feed liquor check valve, 7, the first pipettes 6 in the first inlet 2-1 is communicated with the lower end of first sleeve pipe 2.
Have on the first plunger device 4 of this embodiment and the corresponding a plurality of first plunger device draw-in groove 4-1 of first vertical row's scale.
Second liquid-transfering device of this embodiment comprises second sleeve pipe 14, second stick harness 15, the second plunger device 16 and the second feed liquor check valve 17; The second plunger device 16 slides and is located on the bottle cap 5; Second stick harness 15 is packed in the bottom of the second plunger device 16; Second sleeve pipe 14 is sleeved on second stick harness 15, and matched in clearance between second sleeve pipe 14 and second stick harness 15, and the lower end of second sleeve pipe 14 has the second inlet 14-1; Be provided with the second feed liquor check valve 17 in the second inlet 14-1, an end of stylostome 12 is communicated with the lower end of second sleeve pipe 14.
Have on the second plunger device 16 of this embodiment and the corresponding a plurality of second plunger device draw-in groove 16-1 of second vertical row's scale.
The drawing handle 9 of this embodiment comprises pull bar 9-1 and handle 9-2, and handle 9-2 is packed in the center of pull bar 9-1.Guaranteed that in the push-and-pull process two ends that are arranged on the drawing handle 9 on the first plunger device 4 or the second plunger device 16 and the column chi 10 keep balance.
The course of work of the utility model is:
1, low capacity moves liquid (moving liquid measure less than 10ml):
Only need the first liquid-transfering device work, at first, close the pipe clamp 13 on the stylostome 12, and take out the second feed liquor check valve 17; Then; According to the demand of moving liquid snap ring 11 is installed on corresponding position; One end of drawing handle 9 is slidingly arranged on the column chi 10, and the other end of drawing handle 9 is installed on the first plunger device draw-in groove 4-1 of the first plunger device 4, upwards extracts drawing handle 9; Until snap ring 13 places that are provided with, solution gets in first sleeve pipe 2; At last, promoting drawing handle 9 can will wait to move liquid and transfer in other containers through first pipette 6.
2, big capacity moves liquid (moving liquid measure greater than 10ml):
Move liquid measure when being integer, like 500 ml, 600 ml or 601 ml.
Only need the second liquid-transfering device work, at first, open the pipe clamp 13 on the stylostome 12, and the second feed liquor check valve 17 is placed in the second inlet 14-1; Then; According to the demand of moving liquid snap ring 11 is installed on corresponding position; One end of drawing handle 9 is slidingly arranged on the column chi 10, and the other end of drawing handle 9 is installed on the second plunger device draw-in groove 16-1 of the second plunger device 16, upwards extracts drawing handle 9; Until snap ring 13 places that are provided with, solution gets in second sleeve pipe 14; At last, promoting drawing handle 9 can will wait to move liquid and transfer in other containers through the stylostome 12 and first pipette 6.
When moving liquid measure and be integer+decimal, like 500 .5ml, 600.5 ml or 601.5 ml.
Need first liquid-transfering device and second liquid-transfering device to work simultaneously, second liquid-transfering device extracts the liquid of integer part, and first liquid-transfering device extracts the liquid of fractional part.Abstracting method is the same.
The utility model is simple in structure, and the fractional part that extracts liquid measure is more accurate.Not only be applicable to the extraction of low capacity, but also be applicable to jumbo extraction.Be particularly useful for solution amount and require occasion use accurately.
Claims (6)
1. accurate pipettor that is used for chemistry laboratory; It comprises first liquid-transfering device, solution bottle (1), bottle cap (5), first pipette (6) and unidirectional delivery valve (8); Bottle cap (5) lid is contained on the solution bottle (1); First liquid-transfering device passes bottle cap (5) and is arranged in the solution bottle (1), and an end of first pipette (6) is communicated with the lower end of first liquid-transfering device, and the other end of first pipette (6) passes bottle cap (5) and is connected with extraneous; Unidirectional delivery valve (8) is arranged in first pipette (6); It is characterized in that: said accurate pipettor also comprises second liquid-transfering device, column chi (10), snap ring (11), stylostome (12), pipe clamp (13) and drawing handle (9), and second liquid-transfering device passes bottle cap (5) and is arranged in the solution bottle (1), and an end of stylostome (12) is communicated with the lower end of second liquid-transfering device; The other end of stylostome (12) is communicated with first pipette (6); Pipe clamp (13) is clamped on the stylostome (12), and column chi (10) is provided with two vertical row's scales, and first vertical row's scale is represented the capacity that takes up in first liquid-transfering device; Second vertical row's scale is represented the capacity that takes up of second liquid-transfering device; The capacity of taking up of second liquid-transfering device is 1-5 a times of the capacity that takes up in first liquid-transfering device, and column chi (10) is packed on the bottle cap (5), and column chi (10) is between first liquid-transfering device and second liquid-transfering device; Snap ring (11) is installed on the column chi (10), and drawing handle (9) is arranged between the top of top or second liquid-transfering device of the column chi (10) and first liquid-transfering device.
2. the accurate pipettor that is used for chemistry laboratory according to claim 1; It is characterized in that: said first liquid-transfering device comprises first sleeve pipe (2), first stick harness (3), the first plunger device (4) and the first feed liquor check valve (7); The first plunger device (4) slides and is located on the bottle cap (5); First stick harness (3) is packed in the bottom of the first plunger device (4); First sleeve pipe (2) is sleeved on first stick harness (3), and matched in clearance between first sleeve pipe (2) and first stick harness (3), and the lower end of first sleeve pipe (2) has first inlet (2-1); Be provided with the first feed liquor check valve (7) in first inlet (2-1), an end of first pipette (6) is communicated with the lower end of first sleeve pipe (2).
3. the accurate pipettor that is used for chemistry laboratory according to claim 2 is characterized in that: have on the said first plunger device (4) and the corresponding a plurality of first plunger device draw-in grooves (4-1) of first vertical row's scale.
4. the accurate pipettor that is used for chemistry laboratory according to claim 1 and 2; It is characterized in that: said second liquid-transfering device comprises second sleeve pipe (14), second stick harness (15), the second plunger device (16) and the second feed liquor check valve (17); The second plunger device (16) slides and is located on the bottle cap (5); Second stick harness (15) is packed in the bottom of the second plunger device (16); Second sleeve pipe (14) is sleeved on second stick harness (15), and matched in clearance between second sleeve pipe (14) and second stick harness (15), and the lower end of second sleeve pipe (14) has second inlet (14-1); Be provided with the second feed liquor check valve (17) in second inlet (14-1), an end of stylostome (12) is communicated with the lower end of second sleeve pipe (14).
5. the accurate pipettor that is used for chemistry laboratory according to claim 4 is characterized in that: have on the said second plunger device (16) and the corresponding a plurality of second plunger device draw-in grooves (16-1) of second vertical row's scale.
6. the accurate pipettor that is used for chemistry laboratory according to claim 5 is characterized in that: said drawing handle (9) comprises pull bar (9-1) and handle (9-2), and handle (9-2) is packed in the center of pull bar (9-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220224731 CN202606173U (en) | 2012-05-18 | 2012-05-18 | Accurate liquid-moving device used in chemical laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220224731 CN202606173U (en) | 2012-05-18 | 2012-05-18 | Accurate liquid-moving device used in chemical laboratory |
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| Publication Number | Publication Date |
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| CN202606173U true CN202606173U (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220224731 Expired - Fee Related CN202606173U (en) | 2012-05-18 | 2012-05-18 | Accurate liquid-moving device used in chemical laboratory |
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| CN (1) | CN202606173U (en) |
Cited By (7)
| 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 |
| CN108459171A (en) * | 2018-02-11 | 2018-08-28 | 苏州长光华医生物医学工程有限公司 | A kind of high-precision sample adding system |
| CN111256774A (en) * | 2020-02-28 | 2020-06-09 | 利辛县儒康医药有限公司 | Liquid medicine measuring cup |
| CN111567202A (en) * | 2020-05-29 | 2020-08-25 | 山东省农业技术推广总站 | Water and fertilizer integrated intelligent irrigation system |
| CN112924703A (en) * | 2021-01-26 | 2021-06-08 | 英华达（上海）科技有限公司 | Pipetting system and pipetting operation method thereof |
| CN113447668A (en) * | 2021-08-09 | 2021-09-28 | 江苏国际旅行卫生保健中心(南京海关口岸门诊部) | Liquid transfer device for medical clinical laboratory |
| CN114471766A (en) * | 2022-01-26 | 2022-05-13 | 樊凤菊 | Liquid-transfering metering device for medical examination |
-
2012
- 2012-05-18 CN CN 201220224731 patent/CN202606173U/en not_active Expired - Fee Related
Cited By (9)
| 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 |
| CN108459171A (en) * | 2018-02-11 | 2018-08-28 | 苏州长光华医生物医学工程有限公司 | A kind of high-precision sample adding system |
| CN111256774A (en) * | 2020-02-28 | 2020-06-09 | 利辛县儒康医药有限公司 | Liquid medicine measuring cup |
| CN111567202A (en) * | 2020-05-29 | 2020-08-25 | 山东省农业技术推广总站 | Water and fertilizer integrated intelligent irrigation system |
| CN111567202B (en) * | 2020-05-29 | 2022-05-17 | 山东省农业技术推广总站 | Water and fertilizer integrated intelligent irrigation system |
| CN112924703A (en) * | 2021-01-26 | 2021-06-08 | 英华达（上海）科技有限公司 | Pipetting system and pipetting operation method thereof |
| CN113447668A (en) * | 2021-08-09 | 2021-09-28 | 江苏国际旅行卫生保健中心(南京海关口岸门诊部) | Liquid transfer device for medical clinical laboratory |
| CN114471766A (en) * | 2022-01-26 | 2022-05-13 | 樊凤菊 | Liquid-transfering metering device for medical examination |
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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: 20121219 Termination date: 20140518 |