CN107063753A - A kind of mixing sampling needle mechanism for sample analysis - Google Patents
A kind of mixing sampling needle mechanism for sample analysis Download PDFInfo
- Publication number
- CN107063753A CN107063753A CN201710281804.7A CN201710281804A CN107063753A CN 107063753 A CN107063753 A CN 107063753A CN 201710281804 A CN201710281804 A CN 201710281804A CN 107063753 A CN107063753 A CN 107063753A
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- China
- Prior art keywords
- sampling needle
- clutch
- sampling
- sample analysis
- mixing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
A kind of mixing sampling needle mechanism for sample analysis, including：Sampling needle, sampling pipe, the clutch that can be rotated by rotary shaft of own axes, sampling needle rotary drive mechanism, clutch drive, the sampling pipe is connected at the top of the sampling needle by the clutch, the sampling needle rotary drive mechanism drives the sampling needle rotation, and the clutch drive drives the clutch, and action makes that the sampling pipe is separated with the sampling needle or downward actuation makes the sampling pipe be connected with the sampling needle upwards.
Description
Technical field
The present invention relates to the mixing and sampling in the Sample analysis instruments field of in-vitro diagnosis, more particularly, to sample analysis
Mechanism.
Background technology
Analysis is an important analysis field containing fine-grained liquid sample, is analyzing this kind of liquid sample particle concentration
, it is necessary to carry out effective mixing to sample during parameter.For example in water analysis, the water containing silt generally has silt and sunk to the bottom now
As；In body fluid analysis, body fluid（Such as urine, Pleural effusions, chamber hydrops）In the cell particles that contain also have and sink to the bottom phenomenon.In order to
Analysis result can be made accurate and with repeatability, fast and effectively mix means and be used on the sampling needle of analytical instrument.
At present, sampling needle, which combines the technology mixed, mainly following several：
One is that compressing is mixed, and this technology needs sampling needle to stretch into after sample liquid, a part of sample is drawn, then again this portion
Point sample, which spues, to be come, and the liquid stream come using spuing realizes mixing.This technology needs control sequential to coordinate, and blending efficiency is low
Under.
Two be that bubble is mixed, and sampling needle is two pipes and together or is nested together, with two inner chambers, one of use
In sampling, another is used for the blow bubble into liquid sample, and bubble makes to move down on sample liquid during in liquid rising
It is dynamic, produce Blending Efficiency of Blending.The shortcoming of this technology often makes liquid level rise to occur sample spilling when being pin mouthful discharge gas
The phenomenon of test tube, is polluted.
Three be to stir and evenly mix, and this technology typically using a single stirring rod, is stretched into sample and mixed, then
Again sample transport to sampling location, sampled.This technical requirements stirring rod and sampling needle are carried out to a sample respectively
Processing, so as to add cleaning demand, also increases cross pollution link between sample.
The content of the invention
To solve the above problems, the present invention provides a kind of mixing sampling needle mechanism for sample analysis, it is intended to improve and divide
The Blending Efficiency of Blending of analyzer device sampling.
The solution of the present invention is：For the mixing sampling needle mechanism of sample analysis, including：Can be using own axes as rotation
Sampling needle, sampling pipe, the clutch of axle rotation, the sampling pipe are connected at the top of the sampling needle by the clutch.
The present invention the mixing sampling needle mechanism for sample analysis, in addition to fixed arm, sampling needle rotary drive mechanism,
Clutch drive, the sampling needle is rotatable to be fixed on the fixed arm, and the sampling needle rotary drive mechanism is consolidated
It is scheduled on the fixed arm and drives the sampling needle to rotate, the clutch drive is fixed on the fixed arm and driven
Move the clutch upwards action make the sampling pipe separated with the sampling needle or downward actuation make the sampling pipe with it is described
Sampling needle is connected.
Preferably, the sampling needle rotary drive mechanism is synchronous belt drive mechanism.
Preferably, the sampling needle rotary drive mechanism is worm-and-wheel gear.
Preferably, the sampling needle rotary drive mechanism is gear drive.
Preferably, the clutch drive is leverage.
Preferably, the clutch drive is slide guide bar straight-moving mechanism.
Preferably, the clutch drive is spatial cam.
Preferably, the sampling needle has helical form flank.
Beneficial effects of the present invention：Realize that a sampling needle can either complete high-quality mixing action and can also complete to adopt
Sample, improves analytical instrument operational efficiency.
Brief description of the drawings
Accompanying drawing 1 is used for the basic structure schematic diagram for mixing sampling needle mechanism of sample analysis for the present invention's.
Accompanying drawing 2 is the structural representation of the first embodiment for mixing sampling needle mechanism for being used for sample analysis of the present invention.
Accompanying drawing 3 is the texture edge cutting of the first embodiment for mixing sampling needle mechanism for being used for sample analysis of the present invention
Schematic diagram.
Accompanying drawing 4 is the structural representation of the second embodiment for mixing sampling needle mechanism for being used for sample analysis of the present invention.
Accompanying drawing 5 is the structural representation of the 3rd embodiment for mixing sampling needle mechanism for being used for sample analysis of the present invention.
Accompanying drawing 6 is the clutch driving machine of the 3rd embodiment for mixing sampling needle mechanism for being used for sample analysis of the present invention
The part exploded perspective view of structure.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
Referring to the drawings 1, the mixing sampling needle mechanism for sample analysis of the invention includes：Can be using own axes as rotation
Sampling needle 1, sampling pipe 2, the clutch 3 of axis of rotation, sampling pipe 2 are connected to the top of sampling needle 1 by clutch 3.
Referring to the drawings 1, the mixing sampling needle mechanism for sample analysis also includes fixed arm 4, sampling needle rotary driving machine
Structure 5, clutch drive 6, sampling needle 1 is rotatable to be fixed on fixed arm 4, and sampling needle rotary drive mechanism 5 is fixed on
On fixed arm 4 and driving sampling needle 1 rotates, clutch drive 6 is fixed on fixed arm 4 and driving clutch 3 is dynamic upwards
Work makes that sampling pipe 2 is separated with sampling needle 1 or downward actuation makes sampling pipe 2 be connected with the sampling needle 1.
Referring to the drawings 2 and accompanying drawing 3, in the first embodiment of the present invention, sampling needle rotary drive mechanism 5 is that timing belt is passed
Motivation structure, clutch drive 6 is leverage.Specifically, sampling needle rotary drive mechanism 5 includes being fixed on fixed arm 4
On DC speed-reducing 501, synchronous pulley 502, timing belt 503, synchronous pulley 502 is directly set in DC speed-reducing
On 501 output shaft, and its rotary shaft is parallel with the axis of sampling needle 1.Sampling needle 1 passes through the rotatable fixation of bearing 401
In the end of fixed arm 4, and the top of sampling needle 1 has driven pulley 101, and the driven pulley 101 is in together with synchronous pulley 502
It is connected in one plane and by timing belt 503.When DC speed-reducing 501 exports rotary motion, the rotary motion is same
Step band 503 is delivered to sampling needle 1, sampling needle 1 is rotated by rotary shaft of own axes.Clutch drive 6 includes fixing
Direct acting electromagnet 601 and support frame 605 on fixed arm 4, and the support frame 605 is located at direct acting electromagnet 601 and sampling needle
Between 1, it is fixed with support frame 605 with bearing 604 and the rotating shaft 603 for penetrating the bearing 604, the connection activity of rotating shaft 603
Lever 602, small range rotates centered on alloing the active lever 602 rotating shaft 603, and one end of the active lever 602 is direct
Clutch 3 is fixedly connected with, the other end is directly connected to direct acting electromagnet 601, to increase mechanism reliability, in active lever 602
With setting back-moving spring 606 and spring lead 607 in the middle of fixed arm 4.It is living when the iron core of direct acting electromagnet 601 is moved downward
Dynamic lever 602 is done rotationally clockwise under the effect of the elastic force of back-moving spring 606 around rotating shaft 603, drives clutch 3 to transport upwards
It is dynamic, sampling pipe 2 is separated with sampling needle 1；When the iron core of direct acting electromagnet 601 is moved upwards, active lever 602 is in electromagnet
Rotated in an anti-clockwise direction under 601 thrusts around rotating shaft 603, drive clutch 3 to move downward, make sampling pipe 2 and sampling
Pin 1 is connected.The side of sampling needle 1 has helical form flank.
Referring to the drawings 4, in the second embodiment of the present invention, sampling needle rotary drive mechanism 5 is worm-and-wheel gear, from
Clutch drive mechanism 6 is slide guide linkage.Specifically, sampling needle rotary drive mechanism 5 includes the direct current being fixed on fixed arm 4
Motor 504, is connected directly between the worm screw 505 on direct current generator 504, and the worm screw 505 is engaged with the turbine 102 on sampling needle.
When direct current generator 504 exports rotary motion, the driving turbine 102 of worm screw 505 is rotated, and makes sampling needle 1 using own axes as rotation
Axle is rotated.Clutch drive 6 includes the direct acting electromagnet 601 and slide guide bar 608 being fixed on fixed arm 4, direct acting electromagnetism
The iron core connection movement arm 609 of iron 601, the movement arm 609 is directly connected to clutch 3 and can moved up and down along slide guide bar 608.When
The iron core of direct acting electromagnet 601 is moved upwards, and movement arm 609 is moved upwards along slide guide bar 608 therewith, drives clutch 3 upward
Motion, makes sampling pipe 2 be separated with sampling needle 1；When the iron core of direct acting electromagnet 601 is moved downward, movement arm 609 is therewith along slide guide
Bar 608 is moved downward, and is driven clutch 3 to move downward, sampling pipe 2 is connected with sampling needle 1.The side of sampling needle 1 has spiral shell
Revolve shape flank.
Referring to the drawings 5, in the third embodiment of the present invention, sampling needle rotary drive mechanism 5 is gear set mechanism, clutch
Device drive mechanism 6 is spatial cam.Specifically, sampling needle rotary drive mechanism 5 includes being fixed on
Stepper motor 506 on fixed arm 4, is directly set in the driving gear 507 on the output shaft of stepper motor 506, with the master
The gear 508 that moving gear 507 is meshed.The top of sampling needle 1 has driven gear 103, the driven gear 103 and gear 508
Engagement.When stepper motor 506 exports rotary motion, driving gear 507 is rotated with moving gear 508, and gear 508 drives driven tooth
Wheel 103 is rotated, and sampling needle 1 is rotated by rotary shaft of own axes.Referring to the drawings 5 and accompanying drawing 6, clutch drive 6 is wrapped
Include fixed connecting plate 610, motor 611, rotation cam 612, spacing sliding sleeve 613, it is vertical on the spacing side wall of sliding sleeve 613 to be arranged on
The stopper slot 614 in direction, is arranged on the helical form cam skewed slot 615 on the side wall of rotation cam 612, is arranged on the side of clutch 3
Cam follower 616, stopper slot 614, cam skewed slot 615, cam follower 616 are two groups be arranged oppositely along axis.It is fixed
Connecting plate 610 is bolted fixed arm 4, and is connected as a single entity with the fixation of spacing sliding sleeve 613, consolidates the spacing position of sliding sleeve 613
It is fixed；Clutch 3, spacing sliding sleeve 613 are arranged concentrically with rotation cam 612, and clutch 3 is internally, and spacing sliding sleeve 613 is in
Between, rotation cam 612 is in outside；The cam follower 616 of the side of clutch 3 is arranged on through being arranged on spacing sliding sleeve 613
Stopper slot 614 and the cam skewed slot 615 being arranged in rotation cam 612；Motor 611 connects and drives rotation cam 612.Work as electricity
The driving rotation cam 612 of machine 611 is when being rotated, and rotation cam 612 is rotated in the spacing outside of sliding sleeve 613, makes to be embedded in convex
The cam follower 616 of wheel skewed slot 615 and stopper slot 614 is moved upwardly or downwardly, and sampling pipe 2 is separated or is connected with sampling needle 1.
The side of sampling needle 1 has helical form flank.In the present embodiment, the driving rotation cam of motor 611 of clutch drive 6
612 parts have used bevel gear engaging mechanism, and may be otherwise the mechanism forms such as selection spur gear, turbine and worm, V belt translation.
For those skilled in the art, the embodiment provided according to the present invention carries out being optionally combined for mechanism, so as to be formed
Other technical scheme is simple thing, therefore carries out on the basis of technical scheme simple mechanism and replace institute's shape
Into technical scheme, fall within protection scope of the present invention.
Claims (9)
1. a kind of mixing sampling needle mechanism for sample analysis, it is characterised in that including：Can be using own axes as rotary shaft
Sampling needle, sampling pipe, the clutch of rotation, the sampling pipe are connected or separated with the sampling needle by the clutch.
2. as claimed in claim 1 be used for sample analysis mixing sampling needle mechanism, it is characterised in that also including fixed arm,
Sampling needle rotary drive mechanism, clutch drive, the sampling needle is rotatable to be fixed on the fixed arm, described to adopt
Sample pin rotary drive mechanism is fixed on the fixed arm and drives the sampling needle to rotate, and the clutch drive is fixed
On the fixed arm and drive the clutch action makes the sampling pipe be separated with the sampling needle or downward actuation upwards
The sampling pipe is set to be connected with the sampling needle.
3. it is used for the mixing sampling needle mechanism of sample analysis as claimed in claim 2, it is characterised in that the sampling needle rotation
Drive mechanism is synchronous belt drive mechanism.
4. it is used for the mixing sampling needle mechanism of sample analysis as claimed in claim 2, it is characterised in that the sampling needle rotation
Drive mechanism is worm-and-wheel gear.
5. it is used for the mixing sampling needle mechanism of sample analysis as claimed in claim 2, it is characterised in that the sampling needle rotation
Drive mechanism is gear drive.
6. it is used for the mixing sampling needle mechanism of sample analysis as claimed in claim 2, it is characterised in that the clutch driving
Mechanism is leverage.
7. it is used for the mixing sampling needle mechanism of sample analysis as claimed in claim 2, it is characterised in that the clutch driving
Mechanism is slide guide bar straight-moving mechanism.
8. it is used for the mixing sampling needle mechanism of sample analysis as claimed in claim 2, it is characterised in that the clutch driving
Mechanism is spatial cam.
9. it is used for the mixing sampling needle mechanism of sample analysis as claimed in claim 1, it is characterised in that the sampling needle has
Helical form flank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710281804.7A CN107063753A (en) | 2017-04-26 | 2017-04-26 | A kind of mixing sampling needle mechanism for sample analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710281804.7A CN107063753A (en) | 2017-04-26 | 2017-04-26 | A kind of mixing sampling needle mechanism for sample analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107063753A true CN107063753A (en) | 2017-08-18 |
Family
ID=59604524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710281804.7A Pending CN107063753A (en) | 2017-04-26 | 2017-04-26 | A kind of mixing sampling needle mechanism for sample analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107063753A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931396A (en) * | 2018-05-23 | 2018-12-04 | 湖南农业大学 | Automatic Bulk Grain sampling sharp-pointed tube |
| CN110104191A (en) * | 2019-05-27 | 2019-08-09 | 浙江省舟山中学 | A kind of underwater water sample automatic acquisition device based on unmanned plane |
| CN111024481A (en) * | 2019-12-30 | 2020-04-17 | 深圳开立生物医疗科技股份有限公司 | Sample mixing method and sample analyzer |
| CN113820513A (en) * | 2021-09-18 | 2021-12-21 | 浙江盛域医疗技术有限公司 | Arm group module for sample adding |
| CN114002445A (en) * | 2021-10-29 | 2022-02-01 | 深圳市国赛生物技术有限公司 | Sampling needle stirring mechanism of blood coagulation analyzer and blood coagulation analyzer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3831554A (en) * | 1973-06-27 | 1974-08-27 | American Optical Corp | Specimen agitator |
| CN2857015Y (en) * | 2005-12-09 | 2007-01-10 | 沈阳东软医疗系统有限公司 | Sampling and stirring device of wholly automatic biochemistry amalyzer |
| CN101537320A (en) * | 2008-03-20 | 2009-09-23 | 深圳迈瑞生物医疗电子股份有限公司 | Stirring and evenly mixing device |
| CN201425555Y (en) * | 2009-06-22 | 2010-03-17 | 桂林优利特医疗电子有限公司 | Sampling/stirring device |
| CN102200495A (en) * | 2011-04-13 | 2011-09-28 | 珠海科域生物工程有限公司 | Novel sampling mechanism |
| CN102879505A (en) * | 2011-07-11 | 2013-01-16 | 株式会社岛津制作所 | Needle adaptor and automatic sampler using the same |
| CN105709626A (en) * | 2016-04-08 | 2016-06-29 | 苏州雅睿生物技术有限公司 | Stirring device |
| CN206756495U (en) * | 2017-04-26 | 2017-12-15 | 江西欧范医疗器械有限公司 | A kind of mixing sampling needle mechanism for sample analysis |
-
2017
- 2017-04-26 CN CN201710281804.7A patent/CN107063753A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3831554A (en) * | 1973-06-27 | 1974-08-27 | American Optical Corp | Specimen agitator |
| CN2857015Y (en) * | 2005-12-09 | 2007-01-10 | 沈阳东软医疗系统有限公司 | Sampling and stirring device of wholly automatic biochemistry amalyzer |
| CN101537320A (en) * | 2008-03-20 | 2009-09-23 | 深圳迈瑞生物医疗电子股份有限公司 | Stirring and evenly mixing device |
| CN201425555Y (en) * | 2009-06-22 | 2010-03-17 | 桂林优利特医疗电子有限公司 | Sampling/stirring device |
| CN102200495A (en) * | 2011-04-13 | 2011-09-28 | 珠海科域生物工程有限公司 | Novel sampling mechanism |
| CN102879505A (en) * | 2011-07-11 | 2013-01-16 | 株式会社岛津制作所 | Needle adaptor and automatic sampler using the same |
| CN105709626A (en) * | 2016-04-08 | 2016-06-29 | 苏州雅睿生物技术有限公司 | Stirring device |
| CN206756495U (en) * | 2017-04-26 | 2017-12-15 | 江西欧范医疗器械有限公司 | A kind of mixing sampling needle mechanism for sample analysis |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931396A (en) * | 2018-05-23 | 2018-12-04 | 湖南农业大学 | Automatic Bulk Grain sampling sharp-pointed tube |
| CN110104191A (en) * | 2019-05-27 | 2019-08-09 | 浙江省舟山中学 | A kind of underwater water sample automatic acquisition device based on unmanned plane |
| CN110104191B (en) * | 2019-05-27 | 2024-03-26 | 浙江省舟山中学 | Unmanned aerial vehicle-based underwater water sample automatic acquisition device |
| CN111024481A (en) * | 2019-12-30 | 2020-04-17 | 深圳开立生物医疗科技股份有限公司 | Sample mixing method and sample analyzer |
| CN113820513A (en) * | 2021-09-18 | 2021-12-21 | 浙江盛域医疗技术有限公司 | Arm group module for sample adding |
| CN114002445A (en) * | 2021-10-29 | 2022-02-01 | 深圳市国赛生物技术有限公司 | Sampling needle stirring mechanism of blood coagulation analyzer and blood coagulation analyzer |
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Application publication date: 20170818 |
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