CN107991505A - A kind of auto spring puncture needle sampling structure - Google Patents
A kind of auto spring puncture needle sampling structure Download PDFInfo
- Publication number
- CN107991505A CN107991505A CN201711392978.7A CN201711392978A CN107991505A CN 107991505 A CN107991505 A CN 107991505A CN 201711392978 A CN201711392978 A CN 201711392978A CN 107991505 A CN107991505 A CN 107991505A
- Authority
- CN
- China
- Prior art keywords
- puncture needle
- guide bush
- auto spring
- guide sleeve
- fixed seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 36
- 210000002445 nipple Anatomy 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000523 sample Substances 0.000 description 45
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000012864 cross contamination Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
A kind of auto spring puncture needle sampling structure disclosed by the invention, including upper guide bush, lower guide sleeve, auto spring, pin fixed seat and puncture needle；The lower guide sleeve is slidably socketed fixedly sleeved in upper guide bush upper end in upper guide bush lower end, pin fixed seat lower end；The auto spring is arranged in upper guide bush, and auto spring upper end connection pin fixed seat and the lower guide sleeve of lower end connection；The puncture needle is arranged in upper guide bush, and puncture needle upper end wears and is fixed in pin fixed seat, and puncture needle lower end is threaded through in lower guide sleeve.The present invention is suitable for the sealed sample bottle sampling between different height difference, not only realizes high-accuracy sampling, but also low manufacture cost.
Description
Technical field
The invention belongs to sampling equipment technical field, more particularly to a kind of auto spring puncture needle sampling structure.
Background technology
It is by fixed sample bottle or the dead weight by sample bottle that existing implementation, which automatically punctures sampling mode,
Depart from either prevents sample bottle is taken up from coming by fixed baffle, but baffle arrangement have for the bottle of different height it is very big
Limitation.
Either existing puncture needle is the structure of a pin, or it is using two separately different pins, existing single needle
Puncture and inhale sample it is difficult to ensure that the accuracy of sample is inhaled, when particularly suction amount is big；Two independent needle construction complexity, operate
To take up space very much.
In view of this, the present inventor is improved puncture needle sampling structure, and especial manufacture goes out one kind and is suitable for different height
Thus the high-precision puncture needle sampling structure of sealed sample bottle sampling between degree is different, this case produce.
The content of the invention
It is an object of the invention to provide a kind of auto spring puncture needle sampling structure, it is suitable for different height difference
Between sealed sample bottle sampling, not only realize high-accuracy sampling, but also low manufacture cost.
To achieve these goals, technical scheme is as follows：
A kind of auto spring puncture needle sampling structure, including upper guide bush, lower guide sleeve, auto spring, pin fixed seat and puncture needle；Institute
State lower guide sleeve be slidably socketed it is fixedly sleeved in upper guide bush upper end in upper guide bush lower end, pin fixed seat lower end；The auto spring is set
In in upper guide bush, and auto spring upper end connection pin fixed seat and the lower guide sleeve of lower end connection；The puncture needle is arranged in upper guide bush,
And puncture needle upper end wears and is fixed in pin fixed seat, puncture needle lower end is threaded through in lower guide sleeve.
Further, the puncture needle sampling structure further includes seal nipple, and pin fixed seat opens up through hole, seal nipple grafting
The through hole upper end is fixed on, puncture needle is penetrated from the through hole lower end and is fixedly connected with seal nipple.
Further, the puncture needle includes minute hand and hour hand, and the minute hand is arranged in upper guide bush, and minute hand upper end is worn simultaneously
It is fixed in pin fixed seat, minute hand lower end wears and from lower guide sleeve；The hour hand is welded on minute hand lower end, and minute hand lower end surpasses
Go out the certain length of hour hand.
Upper guide bush lower end is placed in the lower guide sleeve.
After using the above scheme, sampling process of the present invention is：Using one can chucking device by the present invention upper guide bush or
Pin fixed seat is clamped, and then above the mobile present invention to target sample bottle, is then moved down the present invention to target sample bottle, is led instantly
Set is when withstanding sample bottle cap, and due to lower pressure, there are upper guide bush and pin fixed seat to continue to move down, and lower guide sleeve is on being pressed into
In guide sleeve, auto spring is compressed, and when lower guide sleeve gradually slips into upper guide bush, puncture needle lower end is pierced by from lower guide sleeve, is then worn
Cross the soft silica gel structure among bottle cap, be pierced into sample bottle, when puncture needle soon close to bottom of bottle when upper guide bush and under pin fixed seat stops
Move, sampling probe opens up suction sample；
At the end of inhaling sample, chucking device drives upper guide bush and pin fixed seat to move up, since lower guide sleeve props up sample bottle, in appliance for releasing single
Sample bottle can ensure not to be punctured pin band and get up until puncture needle and sample bottle and sample bottle completely disengage under the active force of spring, extremely
The sampling of this position terminates.
Beneficial effects of the present invention are：
1st, the present invention can avoid sample bottle from being punctured the sealed sample that pin takes up and can be adapted for different height different-diameter
Bottle, applicability is extensive, and cost of implementation is relatively low；
2nd, when puncture needle does not sample in upper guide bush and lower guide sleeve, prevent from being contaminated；
3rd, the puncture needle structure of hour hand is added to may insure the air pressure balance inside and outside sample bottle using unique minute hand so as to ensure to take
Sample precision, while ensure that hour hand is not exposed to the sample in bottle, reduce cross contamination.
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Brief description of the drawings
Side view when Fig. 1 is present invention sampling；
Fig. 2 is the C-C directional profile figures of Fig. 1；
Fig. 3 is the state diagram when present invention coordinates the sampling of three-dimensional machinery arm.
Label declaration
Upper guide bush 1, lower guide sleeve 2, auto spring 3, pin fixed seat 4, through hole 41, puncture needle 5, minute hand 51, hour hand 52, seal nipple
6, three-dimensional machinery arm 7, Z axis mechanical arm 71, Y-axis mechanical arm 72, sample disc 8, sample bottle 9, bottle cap 91.
Embodiment
As shown in Figs. 1-3, a kind of auto spring puncture needle sampling structure 100 for disclosing of the present invention, including upper guide bush 1, under
Guide sleeve 2, auto spring 3, pin fixed seat 4 and puncture needle 5；Lower guide sleeve 2 is slidably socketed in 1 lower end of upper guide bush, and lower guide sleeve inner sleeve
In upper guide bush lower end；4 lower end of pin fixed seat is fixedly sleeved in 1 upper end of upper guide bush；Auto spring 3 is arranged in upper guide bush 1, and automatically
3 upper end of spring connects pin fixed seat 4 and lower end connects lower guide sleeve 2；Puncture needle 5 includes minute hand 51 and hour hand 52, the minute hand 51
In upper guide bush 1, and 51 upper end of minute hand wears and is fixed in pin fixed seat 4, minute hand 51 set end wear with from lower guide sleeve
In；The hour hand is welded on minute hand lower end, and minute hand lower end is beyond the certain length of hour hand.In upper guide bush 1, and puncture needle
5 upper ends wear and are fixed in pin fixed seat 4, and puncture needle lower end is threaded through in lower guide sleeve.
Further, the puncture needle sampling structure further includes seal nipple 6, and pin fixed seat 4 opens up through hole 41, seal nipple
In 41 upper end of through hole, the minute hand 51 of puncture needle 5 is penetrated and consolidated with seal nipple 65 plugged and fixeds from 41 lower end of through hole
Fixed connection.
Referring to Fig. 3, the present invention is controlled using a three-dimensional machinery arm 7 that can clamp the present invention, arranges and puts in sample disc 8
Multiple sample bottles 9 are put, the Z axis mechanical arm 71 of three-dimensional machinery arm 7 can control puncture needle sampling structure to move up and down, Y-axis mechanical arm
72 can drive pricker sampling structure to move left and right, therefore sampling process of the present invention is as follows：
Each sample bottle 9 among bottle cap 91 and bottle cap 91 for soft silica gel with sealing, when Y-axis mechanical arm 72 moves on to target sample
When on bottle, Z axis mechanical arm 71 declines, and the lower guide sleeve 2 for puncturing sampling needle construction withstands the bottle cap 91 of sample bottle, Z axis mechanical arm 71
Continue to drive upper guide bush 1 and pin fixed seat 4 to move down because there is auto spring 3 in upper guide bush 1, auto spring 3 is compressed, under lead
Set 2 is pressed into upper guide bush 1 that the puncture needles 5 of puncture needle are pierced into sample bottles 9 at the same time, when puncture needle 5 soon close to bottom of bottle when Z axis machinery
Arm 91, which declines, to be stopped, and sampling probe starts to inhale sample, and at the end of sample is inhaled, Z axis mechanical arm 91 rises, and sample bottle 9 is pushed up by lower guide sleeve 2
Firmly, sample bottle 9 ensures by pin band not got up until 5 lower end of puncture needle is completely into lower guide sleeve 2 under the active force of auto spring 3
In, sampling structure is completely disengaged with the lid of sample bottle 9, and the sampling to this position terminates；Y-axis mechanical arm 92 continues to drive this hair
The bright position for being moved to next sample bottle 9, carries out next sub-sampling.
5 structure of puncture needle that the present embodiment uses is welded on the lower end of minute hand 51 using one is long and the other is short double needle, hour hand 52,
When puncturing, minute hand 51 is first inserted into bottle cap 91, and 91 middle part of bottle cap is soft silica gel structure, the hour hand 52 when bottom of bottle of minute hand 51
Be also inserted into bottle cap 91 and half half is outside bottle in bottle, final two syringe needles can all be inserted into bottle cap 91, and the effect of minute hand 51 is
For the liquid in pipette samples bottle 9, the effect of hour hand 52 is the tonifying Qi into sample bottle 9 when liquid is sucked out, it is ensured that sample
Pressure inside and outside bottle 9 is consistent, the final accuracy for ensureing to inhale sample, and in addition hour hand 52 can connect to avoid with the sample in sample bottle 9
Touch, reduce the cross contamination of sample.Height of the hour hand 52 on minute hand 51 can be customized according to the length of bottle.
The specific embodiment of the present invention is these are only, not to the restriction of protection scope of the present invention.
The equivalent variations that all mentalities of designing according to this case are done, each fall within the protection domain of this case.
Claims (4)
- A kind of 1. auto spring puncture needle sampling structure, it is characterised in that：Fixed including upper guide bush, lower guide sleeve, auto spring, pin Seat and puncture needle；The lower guide sleeve is slidably socketed fixedly sleeved in upper guide bush upper end in upper guide bush lower end, pin fixed seat lower end；Institute Auto spring is stated in the upper guide bush, and auto spring upper end connection pin fixed seat and the lower guide sleeve of lower end connection；The puncture needle In upper guide bush, and puncture needle upper end wears and is fixed in pin fixed seat, and puncture needle lower end is threaded through in lower guide sleeve.
- A kind of 2. auto spring puncture needle sampling structure as claimed in claim 1, it is characterised in that：The puncture needle sampling knot Structure further includes seal nipple, and pin fixed seat opens up through hole, and seal nipple plugged and fixed is in the through hole upper end, and puncture needle is from described Through hole lower end penetrates and is fixedly connected with seal nipple.
- A kind of 3. auto spring puncture needle sampling structure as claimed in claim 1, it is characterised in that：The puncture needle includes length Pin and hour hand, the minute hand are arranged in upper guide bush, and minute hand upper end wears and is fixed in pin fixed seat, minute hand lower end wear with From lower guide sleeve；The hour hand is welded on minute hand lower end, and minute hand lower end is beyond the certain length of hour hand.
- A kind of 4. auto spring puncture needle sampling structure as claimed in claim 1, it is characterised in that：It is placed in the lower guide sleeve Upper guide bush lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711392978.7A CN107991505A (en) | 2017-12-21 | 2017-12-21 | A kind of auto spring puncture needle sampling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711392978.7A CN107991505A (en) | 2017-12-21 | 2017-12-21 | A kind of auto spring puncture needle sampling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107991505A true CN107991505A (en) | 2018-05-04 |
Family
ID=62038069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711392978.7A Pending CN107991505A (en) | 2017-12-21 | 2017-12-21 | A kind of auto spring puncture needle sampling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107991505A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540601A (en) * | 2018-12-19 | 2019-03-29 | 孝感市森茂激光数控设备有限公司 | A kind of suction nozzle buffer mechanism of automatic sedimentation pelleter |
| CN110787849A (en) * | 2019-11-18 | 2020-02-14 | 睿科集团(厦门)股份有限公司 | Puncture needle capable of balancing air pressure |
| CN113834710A (en) * | 2021-09-23 | 2021-12-24 | 睿科集团(厦门)股份有限公司 | Full-automatic liquid treatment workstation |
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| FR2380765A1 (en) * | 1977-02-22 | 1978-09-15 | Goulesque Jean | Biological liq. sampling instrument - has needle inserted in bottle through independent, movable sealing plug |
| EP0468565A2 (en) * | 1990-07-23 | 1992-01-29 | Akzo N.V. | Piercing and sampling probe |
| CA2454299A1 (en) * | 2002-12-31 | 2004-06-30 | Taiject Medical Device Co., Ltd. | Safety fluid injecting/sampling apparatus |
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| US20130078625A1 (en) * | 2011-09-25 | 2013-03-28 | Theranos, Inc., a Delaware Corporation | Fluid handling apparatus and configurations |
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| CN106395121A (en) * | 2016-11-07 | 2017-02-15 | 珠海聚能精密工业有限公司 | Concentric multi-channel feeding-picking device |
| US20170120234A1 (en) * | 2015-10-28 | 2017-05-04 | Bruker Biospin Gmbh | Needle guide with centering for septum piercing |
| US20170258682A1 (en) * | 2014-09-18 | 2017-09-14 | Equashield Medical Ltd. | Improved needle valve and connectors for use in liquid transfer apparatuses |
| CN107389964A (en) * | 2017-08-25 | 2017-11-24 | 北京镁伽机器人科技有限公司 | A kind of three-dimensional automatic sampling system |
| CN107402273A (en) * | 2017-08-25 | 2017-11-28 | 北京镁伽机器人科技有限公司 | automatic sampling component and three-dimensional automatic sampling system |
| CN206756507U (en) * | 2017-03-24 | 2017-12-15 | 武汉中浩生物技术有限公司 | A kind of reagent sampling device |
| CN207798862U (en) * | 2017-12-21 | 2018-08-31 | 睿科仪器（厦门）有限公司 | A kind of auto spring puncture needle sampling structure |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2380765A1 (en) * | 1977-02-22 | 1978-09-15 | Goulesque Jean | Biological liq. sampling instrument - has needle inserted in bottle through independent, movable sealing plug |
| EP0468565A2 (en) * | 1990-07-23 | 1992-01-29 | Akzo N.V. | Piercing and sampling probe |
| US20040138619A1 (en) * | 2001-06-14 | 2004-07-15 | Kiehne Bruce Leigh | Retractable needle assembly for a catheter and which uses an elastomeric member to retract the needle |
| CA2454299A1 (en) * | 2002-12-31 | 2004-06-30 | Taiject Medical Device Co., Ltd. | Safety fluid injecting/sampling apparatus |
| CN1826515A (en) * | 2003-07-18 | 2006-08-30 | C2诊断公司 | Sampling device and method for an automatic analyser |
| AU2012201276A1 (en) * | 2004-12-06 | 2012-03-22 | Washington Biotech Corporation | Medicine injection devices and methods |
| CN2834417Y (en) * | 2005-11-02 | 2006-11-08 | 赵元明 | Hemostix |
| CN201105055Y (en) * | 2007-09-05 | 2008-08-27 | 颜晓菊 | Novel transfusion needle head |
| CN101819193A (en) * | 2009-10-23 | 2010-09-01 | 郑州克莱克特科学仪器有限公司 | Multifunctional gas-chromatograph automatic sample injector |
| US20130078625A1 (en) * | 2011-09-25 | 2013-03-28 | Theranos, Inc., a Delaware Corporation | Fluid handling apparatus and configurations |
| CN102599917A (en) * | 2012-03-28 | 2012-07-25 | 浙江大学 | Disposable blood sampling device with pre-coded two-dimensional barcodes |
| CN103472163A (en) * | 2012-06-06 | 2013-12-25 | 北京普源精电科技有限公司 | Automatic sample injector having bottle pressing function and liquid chromatograph |
| CN105008227A (en) * | 2013-02-07 | 2015-10-28 | 伊奎希尔德医疗有限公司 | Improvements to closed drug transfer system |
| CN203385745U (en) * | 2013-07-08 | 2014-01-08 | 东莞市鸿企生物科技有限公司 | Sampling mechanical arm for full-automatic detection analyzer |
| CN203385741U (en) * | 2013-07-08 | 2014-01-08 | 东莞市鸿企生物科技有限公司 | Full-automatic detection analyzer |
| CN104058250A (en) * | 2014-06-26 | 2014-09-24 | 深圳市同盛医疗设备有限公司 | Mechanical arm sampling component and method for sampling by utilizing same |
| US20170258682A1 (en) * | 2014-09-18 | 2017-09-14 | Equashield Medical Ltd. | Improved needle valve and connectors for use in liquid transfer apparatuses |
| CN104406822A (en) * | 2014-12-08 | 2015-03-11 | 重庆南方数控设备有限责任公司 | Puncture sampling device for hemorheology detection |
| US20170120234A1 (en) * | 2015-10-28 | 2017-05-04 | Bruker Biospin Gmbh | Needle guide with centering for septum piercing |
| CN205374483U (en) * | 2016-02-24 | 2016-07-06 | 北京乐普医疗科技有限责任公司 | Full -automatic fluorescence immunity quantitative analysis equipment |
| CN106395121A (en) * | 2016-11-07 | 2017-02-15 | 珠海聚能精密工业有限公司 | Concentric multi-channel feeding-picking device |
| CN206756507U (en) * | 2017-03-24 | 2017-12-15 | 武汉中浩生物技术有限公司 | A kind of reagent sampling device |
| CN107389964A (en) * | 2017-08-25 | 2017-11-24 | 北京镁伽机器人科技有限公司 | A kind of three-dimensional automatic sampling system |
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| CN207798862U (en) * | 2017-12-21 | 2018-08-31 | 睿科仪器（厦门）有限公司 | A kind of auto spring puncture needle sampling structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540601A (en) * | 2018-12-19 | 2019-03-29 | 孝感市森茂激光数控设备有限公司 | A kind of suction nozzle buffer mechanism of automatic sedimentation pelleter |
| CN110787849A (en) * | 2019-11-18 | 2020-02-14 | 睿科集团(厦门)股份有限公司 | Puncture needle capable of balancing air pressure |
| CN113834710A (en) * | 2021-09-23 | 2021-12-24 | 睿科集团(厦门)股份有限公司 | Full-automatic liquid treatment workstation |
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Effective date of registration: 20211015 Address after: 361000 5-6f, No. 176, Xinfeng Road, Huizhi space, torch high tech Zone, Xiamen, Fujian Applicant after: Ruike Group (Xiamen) Co.,Ltd. Address before: 361000 room n206a, Weiye building, entrepreneurship Park, torch high tech Zone, Xiamen, Fujian Applicant before: REEKO INSTRUMENT (XIAMEN) Co.,Ltd. |