CN107243366A - A kind of detachable suction head type liquid sucking device of anti-backflow - Google Patents
A kind of detachable suction head type liquid sucking device of anti-backflow Download PDFInfo
- Publication number
- CN107243366A CN107243366A CN201710562737.6A CN201710562737A CN107243366A CN 107243366 A CN107243366 A CN 107243366A CN 201710562737 A CN201710562737 A CN 201710562737A CN 107243366 A CN107243366 A CN 107243366A
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- China
- Prior art keywords
- suction pipe
- backflow
- suction
- shell
- type liquid
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- 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
- B01L3/0224—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type having mechanical means to set stroke length, e.g. movable stops
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- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The present invention relates to a kind of detachable suction head type liquid sucking device of anti-backflow, including：Shell and the imbibition rifle for being arranged in shell, imbibition rifle includes suction pipe, with being arranged and the pipette tips assist device on suction pipe, the suction nozzle being connected with suction pipe one end, the rubber tube being connected with the suction pipe other end, one end port of suction pipe connection suction nozzle is provided with anti-backflow device, anti-backflow device is in round table-like, two ends are provided with mouth suitable for reading and lower, insertion between suitable for reading and lower mouth, and lower port diameter is more than lower port diameter, the through slot of two is offered on the side wall of shell, suction pipe and cage connection, suction nozzle boost motor outer surface is provided with a pair of pushing blocks and a pair of abutting blocks, pushing block is arranged in through slot, and can be slided in through slot；Abut and a spring is provided between block and shell, one end is abutted with abutting block, and the other end is abutted with shell.The solution of the present invention is simple in construction, easy to operate, can effectively prevent residual liquid water conservancy diversion, improve operating efficiency, also reduce experimental pollution.
Description
Technical field
The present invention relates to experiment consumptive material instrument field, specifically a kind of detachable suction head type liquid sucking device of anti-backflow.
Background technology
When waste liquid is drawn in current laboratory, its pipette be generally can not self-unloading suction nozzle, be often required to two hands while aiding in grasping
Make, and be placed in outside superclean bench, such operator inevitably contacts in experiment with the external world, causes experimental pollution；
And a small amount of liquid residue is usually had in pipette, after liquid sucking device draws liquid, the liquid remained on tube wall
It can be flowed out again from suction pipe, it is easy to pollute.
The content of the invention
The purpose of the present invention is that there is provided a kind of detachable suction head type liquid sucking device of anti-backflow for above-mentioned present situation.
The technical solution adopted by the present invention is：A kind of detachable suction head type liquid sucking device of anti-backflow, including：One shell and a suction
Liquid rifle, the imbibition rifle is arranged in shell, and the imbibition rifle includes suction pipe, a pipette tips assist device, a suction nozzle and a rubber tube,
The pipette tips assist device is mutually fixed with the suction pipe, and the suction nozzle is connected with one end of the suction pipe, the rubber tube and institute
The connection of the suction pipe other end is stated, one end port that the suction pipe connects the suction nozzle is provided with anti-backflow device, the anti-backflow dress
Put in round table-like, two ends are provided with insertion between mouth suitable for reading and lower, described suitable for reading and lower mouth, and the lower mouth diameter more than under described
The diameter of mouth.
The present invention effect be：The detachable suction head type liquid sucking device of a kind of anti-backflow of the present invention, simple in construction, operation
Convenient, operator singlehanded can complete whole imbibition and the operation of lower suction nozzle, and can effectively prevent residual liquid water conservancy diversion, improve
While the efficiency of experiment, experimental pollution is also reduced as far as possible.
Brief description of the drawings
Fig. 1 show a kind of front view for the detachable suction head type liquid sucking device of anti-backflow that the present invention is provided；
Fig. 2 show a kind of side view for the detachable suction head type liquid sucking device of anti-backflow that the present invention is provided；
Fig. 3 show a kind of profile for the detachable suction head type liquid sucking device of anti-backflow that the present invention is provided；
In figure：1-shell, 11-through slot, 12-external screw thread, 2-imbibition rifle, 21-suction pipe, 211-link slot,
212-internal thread, 213-anti-backflow device, 2131-suitable for reading, 2132-lower mouth, 22-suction nozzle boost motor, 221-pushing block,
222-abut block, 223-spring, 23-suction nozzle, 24-rubber tube, 241-circle silk.
Embodiment
The detachable suction head type liquid sucking device of anti-backflow of the present invention is introduced below in conjunction with the accompanying drawings：
Fig. 1 and Fig. 2 are referred to, the detachable suction head type liquid sucking device of a kind of anti-backflow provided for the present invention, including：One shell
1 and an imbibition rifle 2, the imbibition rifle 2 is arranged in the shell 1, and the imbibition rifle 2 includes suction pipe 21, a pipette tips assist device
22nd, a suction nozzle 23, a rubber tube 24, a getter device and a power supply, the pipette tips assist device 22 are mutually solid with the suction pipe 21
Fixed, the suction nozzle 23 is connected with one end of the suction pipe 21, and the rubber tube 24 is connected with the other end of suction pipe 21, described to inhale
Device of air is connected with the rubber tube 24, and the power supply is connected with the getter device, and the power supply supplies for the getter device
Electricity.
Fig. 1, Fig. 2 and Fig. 3 are referred to, in the present embodiment, shell 1 is in offer two on annulus column, the side wall of shell 1
It is individual on the symmetrical through slot 11 of shell 1.One end inwall of shell 1 is provided with external screw thread 12.
Suction pipe 21 is in annulus column, and the one end of suction pipe 21 away from rubber tube 24 is provided with link slot 211, for connecting suction nozzle
23.Suction pipe 21 is provided with the internal thread 212 matched with external screw thread 12.Suction pipe 21 is threadedly coupled with shell 1.Suction pipe 21 is close to suction
First 23 one end port is provided with an anti-backflow device 213, and anti-backflow device 213 is in round table-like, the two ends of anti-backflow device 213
Provided with suitable for reading 2131 and lower mouth 2132.Insertion between suitable for reading 2131 and lower mouth 2132；Suitable for reading 2131 is rounded with lower mouth 2132, and on
The diameter of mouth 2131 is more than the diameter of lower mouth 2132, and the diameter of lower mouth 2131 is equal with the diameter of suction pipe 21.
Suction nozzle boost motor 22 is in annulus column, be set on suction pipe 21 and relative suction pipe 21 slidably, suction nozzle boost motor 22
Outer surface is provided with a pair of pushing blocks 221 and a pair of abutting blocks 222.Pushing block 221 is arranged in through slot 11, and can be in through slot 11
Slide.Abutting the bottom surface abutting of block 222 has spring 223, and the one end of spring 223 is abutted with abutting block 222, and the other end is supported with shell 1
Connect.
Suction nozzle 23 is detachably connected with suction pipe 21.
The one end of rubber tube 24 is connected provided with circle silk 241 and with suction pipe 21, in the present embodiment, and rubber tube 24 leads to suction pipe 21
Circle silk 241 is crossed mutually to fix.
When specifically used, the suction nozzle 23 that correspondence model is plugged according to the actual requirements directly starts imbibition, sucks after waste liquid,
Pushing block 221 is pushed down on, drives the relative suction pipe 21 of suction nozzle boost motor 22 to slide, suction nozzle 23 is promoted and departed from by suction nozzle boost motor 22
Suction pipe, unclamps pushing block 221, and suction nozzle boost motor 22 sets back in the presence of spring 223, and liquid assimilating is completed.The device makes
With simplicity, one hand can complete drainage procedure, be effectively reduced the pollution of experiment.
The detachable suction head type liquid sucking device of a kind of anti-backflow of the present invention, simple in construction, easy to operate, operator can be single
Hand completes whole imbibition and the operation of lower suction nozzle, and can effectively prevent residual liquid water conservancy diversion, improve experiment efficiency it is same
When, experimental pollution is also reduced as far as possible.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of detachable suction head type liquid sucking device of anti-backflow, it is characterised in that including：One shell and an imbibition rifle, the imbibition
Rifle is arranged in shell, and the imbibition rifle includes suction pipe, a pipette tips assist device, a suction nozzle and a rubber tube, the pipette tips boosting
Device is mutually fixed with the suction pipe, and the suction nozzle is connected with one end of the suction pipe, the rubber tube and the suction pipe other end
Connection, one end port that the suction pipe connects the suction nozzle is provided with anti-backflow device, and the anti-backflow device is in round table-like, and two
End is provided with insertion between mouth suitable for reading and lower, described suitable for reading and lower mouth, and diameter of the diameter more than the lower mouth of the lower mouth.
2. the detachable suction head type liquid sucking device of anti-backflow as claimed in claim 1, it is characterised in that opened on the side wall of the shell
Provided with the through slot of two, the suction pipe and the cage connection, the suction nozzle boost motor outer surface provided with a pair of pushing blocks and
A pair of abutting blocks, the pushing block is arranged in the through slot, and can be slided in the through slot；It is described to abut block and described outer
A spring is provided between shell, described one end is abutted with the block that abuts, and the other end is abutted with the shell.
3. the detachable suction head type liquid sucking device of anti-backflow as claimed in claim 2, it is characterised in that the described suitable for reading and lower mouth
It is rounded, and the diameter of the lower mouth is equal with the diameter of the suction pipe.
4. the detachable suction head type liquid sucking device of anti-backflow as claimed in claim 3, it is characterised in that the shell is in annulus post
Shape, one end inwall of the shell is provided with external screw thread, and the through slot is symmetrical on the shell.
5. the detachable suction head type liquid sucking device of anti-backflow as claimed in claim 4, it is characterised in that the suction pipe is in annulus post
Shape, the one end of the suction pipe away from the rubber tube is provided with link slot, and the suction pipe is provided with what is matched with the external screw thread
Internal thread, the suction pipe is connected with the outer casing screw.
6. the detachable suction head type liquid sucking device of anti-backflow as claimed in claim 5, it is characterised in that the suction nozzle passes through the company
Access slot is detachably connected with the suction pipe.
7. the detachable suction head type liquid sucking device of anti-backflow as claimed in claim 6, it is characterised in that the suction nozzle boost motor is in circle
Central column, be set on the suction pipe and relatively described suction pipe slidably.
8. the detachable suction head type liquid sucking device of anti-backflow as claimed in claim 7, it is characterised in that described rubber tube one end is provided with
Circle silk, the rubber tube is mutually fixed with the suction pipe by circle silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710562737.6A CN107243366A (en) | 2017-07-11 | 2017-07-11 | A kind of detachable suction head type liquid sucking device of anti-backflow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710562737.6A CN107243366A (en) | 2017-07-11 | 2017-07-11 | A kind of detachable suction head type liquid sucking device of anti-backflow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107243366A true CN107243366A (en) | 2017-10-13 |
Family
ID=60013974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710562737.6A Pending CN107243366A (en) | 2017-07-11 | 2017-07-11 | A kind of detachable suction head type liquid sucking device of anti-backflow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107243366A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875460A (en) * | 2017-12-13 | 2018-04-06 | 天津神州视联科技有限公司 | A kind of medical portable liquid collector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202270532U (en) * | 2011-03-25 | 2012-06-13 | 刘蓉 | Novel efficient pipettor |
| CN203842599U (en) * | 2014-03-14 | 2014-09-24 | 罗耿荣 | Pipettor gun barrel and sucker connecting structure |
| CN205474533U (en) * | 2016-03-20 | 2016-08-17 | 辽宁天舜环保工程有限公司 | A cut device for filter material processing |
| JP2017013058A (en) * | 2015-06-30 | 2017-01-19 | サートリウス・ビオヒット・リキッド・ハンドリング・オイＳａｒｔｏｒｉｕｓ Ｂｉｏｈｉｔ Ｌｉｑｕｉｄ Ｈａｎｄｌｉｎｇ Ｏｙ | Pipette equipped with tip removal structure, tip removal method, and pipetting method |
| CN106582907A (en) * | 2015-10-15 | 2017-04-26 | 常州福生生物技术有限公司 | Pipettor with automatic suction head withdrawal function |
| CN207221952U (en) * | 2017-07-11 | 2018-04-13 | 长江大学 | A kind of detachable suction head type liquid absorption device of anti-backflow |
-
2017
- 2017-07-11 CN CN201710562737.6A patent/CN107243366A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202270532U (en) * | 2011-03-25 | 2012-06-13 | 刘蓉 | Novel efficient pipettor |
| CN203842599U (en) * | 2014-03-14 | 2014-09-24 | 罗耿荣 | Pipettor gun barrel and sucker connecting structure |
| JP2017013058A (en) * | 2015-06-30 | 2017-01-19 | サートリウス・ビオヒット・リキッド・ハンドリング・オイＳａｒｔｏｒｉｕｓ Ｂｉｏｈｉｔ Ｌｉｑｕｉｄ Ｈａｎｄｌｉｎｇ Ｏｙ | Pipette equipped with tip removal structure, tip removal method, and pipetting method |
| CN106582907A (en) * | 2015-10-15 | 2017-04-26 | 常州福生生物技术有限公司 | Pipettor with automatic suction head withdrawal function |
| CN205474533U (en) * | 2016-03-20 | 2016-08-17 | 辽宁天舜环保工程有限公司 | A cut device for filter material processing |
| CN207221952U (en) * | 2017-07-11 | 2018-04-13 | 长江大学 | A kind of detachable suction head type liquid absorption device of anti-backflow |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875460A (en) * | 2017-12-13 | 2018-04-06 | 天津神州视联科技有限公司 | A kind of medical portable liquid collector |
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