CN205109673U - Crooked formula ration pipettor - Google Patents
Crooked formula ration pipettor Download PDFInfo
- Publication number
- CN205109673U CN205109673U CN201520883362.XU CN201520883362U CN205109673U CN 205109673 U CN205109673 U CN 205109673U CN 201520883362 U CN201520883362 U CN 201520883362U CN 205109673 U CN205109673 U CN 205109673U
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- ball
- section
- arc
- pipeline section
- arc pipeline
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Abstract
The utility model belongs to the technical field of the biochemistry equipment, especially, relate to a crooked formula ration pipettor, including dosing pipe and the combination suction ball device that sets up with the cooperation of dosing pipe's upper end, to connect arc at dosing pipe's lower extreme and move the liquid end, combination suction ball device includes suction ball, copper ball valve, coupling and connection rubber tube, the liquid end is moved including the arc pipeline section, diverging section and the straight tube linkage segment that connect gradually to arc, it is coniform that the arc pipeline section is the hollow, and hollow circle conic section's axial lead is the arc, and diverging section docks with the installing port of arc pipeline section, and diverging section includes the straight pipe body of one section transparent plastics, sets up cross cutting piece in this straightens the pipe body, the utility model discloses to the measurement experiment device in -process of solution sugar can be fast, stably realize solution transfer operation, avoid extravagant, resources are saved reduces the cost, the cross cutting piece that sets up in the end can be surely broken with absorbing the vacuole that the solution in -process produced, avoids the vacuole to produce follow -up measuring and disturb.
Description
Technical field
The utility model relates to Bioexperiment equipment technical field, is specially a kind of bending-type quantitative liquid shifter.
Background technology
In the determination experiment process at solution sugar, often can use pipettor during liquid or semi liquid state sample extraction operates, pipettor is furnished with the arc pipeline section of different size.But the pipettor arc pipeline section of routine is straight-tapered, often having the liquid in bottle to get in an experiment does not totally have residual polluting to affect experiment effect or reagent waste; And in suction operation process, the improper easy generation vacuole of the assurance for capture velocity, affects follow-up testing inspection effect.
Adopt rubber pipette bulb to carry out moving liquid to coordinate pipette in conventional method, the operative skill for operator requires higher, and moves liquid requirement by once, and centre slightly misoperation just needs to re-start, and this is extremely bothersome effort for new hand student.Simultaneously owing to using rubber pipette bulb to control the volume pipetting liquid, control the improper liquid that may make and go out pipette instantaneously, a lot of uncertainty is added to the result detected, makes the data detected occur very large deviation.
Utility model content
The purpose of this utility model is to provide a kind of bending-type quantitative liquid shifter, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of bending-type quantitative liquid shifter, comprises quantity tube and inhales ball device with the combination that the upper end of quantity tube is equipped with, and connects circular arc moving liquid termination in the lower end of quantity tube; Combination is inhaled ball device and is comprised suction ball, copper ball valve, pipe joint and connection rubber tube, inhale ball top and be provided with exhaust outlet, exhaust outlet is provided with deflation structure, deflation structure comprises valve and one-way exhaust film lobe, valve is tightly connected with suction ball, and one-way exhaust film lobe is arranged on valve inside and outwards opens setting; The bottom of inhaling ball is provided with air entry, and copper ball valve is connected with the air entry inhaling ball, and one end of pipe joint is connected with copper ball valve by connection rubber tube, and the pipe joint other end is connected with quantity tube; Inhale on ball and be also provided with imbibition tune amount structure, imbibition tune amount structure is inhaled on ball along the axis inhaling ball horizontal direction for being symmetricly set on; Circular arc moving liquid termination comprises the arc pipeline section, shunting section and the straight tube linkage section that connect successively; Described arc pipeline section is that hollow is coniform, and the axial line of hollow conical section is arc; The large mouth of arc pipeline section hollow circular cone is installing port, and comparatively osculum is liquid inlet and outlet, and the comparatively osculum of arc pipeline section hollow circular cone is oval, liquid inlet and outlet and datum line in same level, with the line of the liquid inlet and outlet of arc pipeline section and installing port for datum line; Shunting section docks with the installing port of arc pipeline section, and shunting section comprises one section of transparent straight pipe body of plastics, in this straight pipe body, arrange a cross cutting blade.
As the utility model further technical scheme, adjustment rotating disk is arranged on the outside of suction ball and is fixedly connected with the outer end of connecting rod, and adjustment rotating disk is provided with adjustment scale.
As the utility model further technical scheme, imbibition tune amount structure comprises quantification dish, connecting rod, adapter sleeve and adjustment rotating disk, adapter sleeve is sealedly and fixedly connected with suction ball, connecting rod is threaded with adapter sleeve, quantification dish be arranged on inhale ball inside on and be fixedly connected with connecting rod the inner.
As the utility model further technical scheme, cross cutting blade by mutual decile vertically disposed transverse slat sheet and riser sheet one-body molded, the circulation passage in straight pipe to be divided into four parts of separate subchannels by cross cutting.
Compared with prior art, the utility model is to can be quick in the determination experiment process of solution sugar, stable realizes solution transfer operation, and avoid waste, economize on resources, reduce cost, the vacuole produced in draw solution process can be cut brokenly by the cross cutting blade arranged in termination, avoids vacuole to produce interference to follow-up measuring.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of bending-type quantitative liquid shifter of the utility model.
The structural representation of circular arc moving liquid termination in the utility model of Fig. 2 position.
Detailed description of the invention
Be described in more detail below in conjunction with the technical scheme of detailed description of the invention to this patent.
Refer to Fig. 1 ~ 2, a kind of bending-type quantitative liquid shifter, comprise quantity tube 11 and inhale ball device 7 with the combination that the upper end of quantity tube 11 is equipped with, connect circular arc moving liquid termination in the lower end of quantity tube 11;
Combination is inhaled ball device 7 and is comprised suction ball 2, copper ball valve 10, pipe joint and connection rubber tube, inhaling ball 2 is latex material component, inhale ball 2 top and be provided with exhaust outlet, exhaust outlet is provided with deflation structure 1, deflation structure 1 comprises valve and one-way exhaust film lobe, valve is tightly connected with suction ball 2, and one-way exhaust film lobe is arranged on valve inside and outwards opens setting; The bottom of inhaling ball 2 is provided with air entry, and copper ball valve 10 is connected with the air entry inhaling ball, and one end of pipe joint is connected with copper ball valve 10 by connection rubber tube, and the pipe joint other end is connected with quantity tube 11, inhales on ball 2 and is also provided with imbibition tune amount structure 3; Imbibition tune amount structure 3 is provided with one group, imbibition tune amount structure 3 is inhaled on ball 2 along the axis inhaling ball 2 horizontal direction for being symmetricly set on, imbibition tune amount structure 3 comprises quantification dish 4, connecting rod 6, adapter sleeve and adjustment rotating disk 5, adapter sleeve is sealedly and fixedly connected with suction ball 2, connecting rod 6 is threaded with adapter sleeve, quantification dish 4 be arranged on inhale ball 2 inside on and be fixedly connected with connecting rod 6 the inner, adjustment rotating disk 5 is arranged on the outside of suction ball 2 and is fixedly connected with the outer end of connecting rod 6, and adjustment rotating disk 5 is provided with adjustment scale.
Circular arc moving liquid termination comprises the arc pipeline section 9, shunting section 8 and the straight tube linkage section 11 that connect successively, described arc pipeline section 9 is that hollow is coniform, and the axial line of hollow conical section is arc, the large mouth of arc pipeline section 9 hollow circular cone is installing port, comparatively osculum is liquid inlet and outlet, the comparatively osculum of arc pipeline section 9 hollow circular cone is oval, liquid inlet and outlet and datum line d in same level, with the line of the liquid inlet and outlet of arc pipeline section 9 and installing port for datum line d, shunting section 8 docks with the installing port of arc pipeline section 9, shunting section 8 comprises one section of transparent straight pipe body of plastics, in this straight pipe body, a cross cutting blade 81 is set, cross cutting blade 81 is one-body molded by mutual decile vertically disposed transverse slat sheet 811 and riser sheet 812, circulation passage in straight pipe is divided into four parts of separate subchannels by cross cutting blade 81, the vacuole produced in draw solution process can be cut brokenly by cross cutting blade 81, vacuole is avoided to produce interference to follow-up measuring, the outer end of shunting section 8 is connected with straight tube linkage section 11, conveniently dock with pipettor.
The maximum deflection angle α of described arc pipeline section 9 is 10 ° ~ 30 °.Described knuckle α is: the tangent line c making camber line with the some A that knuckle on the outer camber line of arc pipeline section 9 sidewall is maximum, the angle of datum line d and tangent line c two lines is maximum deflection angle α, does vertical line from an A to datum line d, intersects at B point with datum line d.Distance m between A, B be arc pipeline section 9 by the minimum diameter of the mouth of pipe.
Adopt arc pipeline section termination effectively prevent with during the imbitition of straight-tapered termination due to amount of liquid is few, bottleneck angle etc. make liquid assimilating inconvenience, inaccurate, air is easily had to be mixed into the shortcoming with liquid residue, can accurate imbitition, avoid the inaccuracy of bottle being toppled over imbibition; Waste can be avoided again, economize on resources, reduce cost, and the vacuole produced in draw solution process can be cut brokenly by the cross cutting blade arranged in termination, avoid vacuole to produce interference to follow-up measuring.
Pipe joint is rubber hose structure, pipe joint is provided with the grafting body coordinated with quantity tube 11 inner wall sealing.
When using this safety quantitative pipettor to carry out moving liquid, adjustment imbibition tune amount structure 3, rotate adjustment rotating disk 5, the amount of moving liquid as required, adjust certain adjustment scale 18, make quantification dish 4 away from or near the center of sucker 4, open copper ball valve 10, liquid is inserted in circular arc moving liquid termination, ball 2 is inhaled in extruding, the gas inhaling ball 2 inside is discharged by the one-way exhaust film lobe in deflation structure 1, when the quantification dish 4 that suction ball 2 is expressed to both sides touches mutually, stop extruding, the one-way exhaust film lobe automatic fall-back now inhaling ball 2 upper end closes valve, unclamp and inhale ball 2, inhale ball 2 outwards to recover under the elastic reaction of self, liquid is inhaled into quantity tube 11, after completing quantitative liquid suction, close copper ball valve 10, safely liquid can be moved on to the container of needs, open copper ball valve 10, inhale ball 2 by extruding and the liquid safe of quantity tube 11 inside is moved into container, complete pipetting.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (4)
1. a bending-type quantitative liquid shifter, is characterized in that: comprise quantity tube and inhale ball device with the combination that the upper end of quantity tube is equipped with, and connects circular arc moving liquid termination in the lower end of quantity tube; Combination is inhaled ball device and is comprised suction ball, copper ball valve, pipe joint and connection rubber tube, inhale ball top and be provided with exhaust outlet, exhaust outlet is provided with deflation structure, deflation structure comprises valve and one-way exhaust film lobe, valve is tightly connected with suction ball, and one-way exhaust film lobe is arranged on valve inside and outwards opens setting; The bottom of inhaling ball is provided with air entry, and copper ball valve is connected with the air entry inhaling ball, and one end of pipe joint is connected with copper ball valve by connection rubber tube, and the pipe joint other end is connected with quantity tube; Inhale on ball and be also provided with imbibition tune amount structure, imbibition tune amount structure is inhaled on ball along the axis inhaling ball horizontal direction for being symmetricly set on; Circular arc moving liquid termination comprises the arc pipeline section, shunting section and the straight tube linkage section that connect successively; Described arc pipeline section is that hollow is coniform, and the axial line of hollow conical section is arc; The large mouth of arc pipeline section hollow circular cone is installing port, and comparatively osculum is liquid inlet and outlet, and the comparatively osculum of arc pipeline section hollow circular cone is oval, liquid inlet and outlet and datum line in same level, with the line of the liquid inlet and outlet of arc pipeline section and installing port for datum line; Shunting section docks with the installing port of arc pipeline section, and shunting section comprises one section of transparent straight pipe body of plastics, in this straight pipe body, arrange a cross cutting blade.
2. a kind of bending-type quantitative liquid shifter according to claim 1, is characterized in that: adjustment rotating disk is arranged on the outside of suction ball and is fixedly connected with the outer end of connecting rod, and adjustment rotating disk is provided with adjustment scale.
3. a kind of bending-type quantitative liquid shifter according to claim 1, it is characterized in that: imbibition tune amount structure comprises quantification dish, connecting rod, adapter sleeve and adjustment rotating disk, adapter sleeve is sealedly and fixedly connected with suction ball, connecting rod is threaded with adapter sleeve, quantification dish be arranged on inhale ball inside on and be fixedly connected with connecting rod the inner.
4. a kind of bending-type quantitative liquid shifter according to claim 1, it is characterized in that: cross cutting blade by mutual decile vertically disposed transverse slat sheet and riser sheet one-body molded, the circulation passage in straight pipe to be divided into four parts of separate subchannels by cross cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520883362.XU CN205109673U (en) | 2015-11-09 | 2015-11-09 | Crooked formula ration pipettor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520883362.XU CN205109673U (en) | 2015-11-09 | 2015-11-09 | Crooked formula ration pipettor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205109673U true CN205109673U (en) | 2016-03-30 |
Family
ID=55565322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520883362.XU Expired - Fee Related CN205109673U (en) | 2015-11-09 | 2015-11-09 | Crooked formula ration pipettor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205109673U (en) |
-
2015
- 2015-11-09 CN CN201520883362.XU patent/CN205109673U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160330 Termination date: 20161109 |