CN206756495U - A kind of mixing sampling needle mechanism for sample analysis - Google Patents
A kind of mixing sampling needle mechanism for sample analysis Download PDFInfo
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- CN206756495U CN206756495U CN201720447111.6U CN201720447111U CN206756495U CN 206756495 U CN206756495 U CN 206756495U CN 201720447111 U CN201720447111 U CN 201720447111U CN 206756495 U CN206756495 U CN 206756495U
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- China
- Prior art keywords
- sampling needle
- clutch
- sampling
- sample analysis
- mixing
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Abstract
A kind of mixing sampling needle mechanism for sample analysis, including：Sampling needle, sampling pipe, the clutch that can be rotated using own axes as rotary shaft, 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 separates 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 effectively be mixed to sample during parameter.Such as 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, the technology that sampling needle combination mixes mainly has following several：
When compressing mix, after this technology needs sampling needle to stretch into sample liquid, draw a part of sample, then again
This part sample, which spues, to be come, and using spuing, the liquid stream come realizes mixing.This technology needs control sequential to coordinate, and mixes effect
Rate is low.
Second, bubble mixes, sampling needle is two pipes and together or is nested together, and has two inner chambers, one of them use
In sampling, another is used for blow bubble, bubble into liquid sample makes to move down on sample liquid during in liquid rising
It is dynamic, produce Blending Efficiency of Blending.The shortcomings that this technology, often rises liquid level so as to which sample spilling occur when being pin mouth discharge gas
The phenomenon of test tube, is polluted.
Third, stirring and evenly mixing, this technology typically uses a single stirring rod, stretches into sample and is 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 improves and divides
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 connects.
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, improve analytical instrument operational efficiency.
Brief description of the drawings
Accompanying drawing 1 is the basic structure schematic diagram for mixing sampling needle mechanism for being used for sample analysis of the invention.
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 is rotated, and clutch drive 6 is fixed on fixed arm 4 and driving clutch 3 moves upwards
Work makes that sampling pipe 2 separates with sampling needle 1 or downward actuation makes sampling pipe 2 be connected with the sampling needle 1.
2 and accompanying drawing 3 referring to the drawings, in the first embodiment of the present invention, sampling needle rotary drive mechanism 5 pass for timing belt
Motivation structure, clutch drive 6 are 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 401 rotatable fixation of bearing
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 among fixed arm 4.It is living when the iron core of direct acting electromagnet 601 moves 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 moves 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 connects.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, the worm screw 505 being connected directly between on direct current generator 504, the worm screw 505 are engaged with the turbine 102 on sampling needle.
When direct current generator 504 exports rotary motion, worm screw 505 drives turbine 102 to rotate, and makes sampling needle 1 using own axes as rotation
Axle rotates.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 are 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 moves upwards, and movement arm 609 moves 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 moves downward, movement arm 609 is therewith along slide guide
Bar 608 moves downward, and drives 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, the driving gear 507 being directly set on the output shaft of stepper motor 506, with
The gear 508 that the driving gear 507 is meshed.The top of sampling needle 1 has driven gear 103, the driven gear 103 and gear
508 engagements.When stepper motor 506 export rotary motion when, driving gear 507 rotates with moving gear 508, gear 508 drive from
Moving gear 103 rotates, and sampling needle 1 is rotated by rotary shaft of own axes.5 and accompanying drawing 6 referring to the drawings, clutch drive
6 include fixed connecting plate 610, motor 611, rotation cam 612, spacing sliding sleeve 613, are arranged in the spacing side wall of sliding sleeve 613
The stopper slot 614 of vertical direction, the helical form cam skewed slot 615 being arranged in the side wall of rotation cam 612, is arranged on clutch 3
The cam follower 616 of side, stopper slot 614, cam skewed slot 615, cam follower 616 are two groups be arranged oppositely along axis.
Fixed connecting plate 610 is bolted fixed arm 4, and fixes and be connected as a single entity with spacing sliding sleeve 613, makes spacing sliding sleeve 613
Put fixation；Clutch 3, spacing sliding sleeve 613 and rotation cam 612 are arranged concentrically, and clutch 3 is internally, and spacing sliding sleeve 613 exists
Centre, 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 that is arranged in rotation cam 612；Motor 611 connects and drives rotation cam 612.When
When the driving of motor 611 rotation cam 612 is rotated, rotation cam 612 rotates in the spacing outside of sliding sleeve 613, makes insertion
The cam follower 616 of cam 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
Connect.The side of sampling needle 1 has helical form flank.In the present embodiment, the driving of motor 611 of clutch drive 6 rotates
The part of cam 612 has used bevel gear engaging mechanism, and may be otherwise the mechanisms such as selection spur gear, turbine and worm, V belt translation
Form.
For those skilled in the art, being optionally combined for mechanism is carried out according to embodiment provided by the invention, so as to be formed
Other technical scheme is simple thing, therefore carries out simple mechanism on the basis of technical scheme and replace institute's shape
Into technical scheme, fall within protection scope of the present invention.
Claims (9)
- A kind of 1. 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 the driving 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 |
|---|---|---|---|
| CN201720447111.6U CN206756495U (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 |
|---|---|---|---|
| CN201720447111.6U CN206756495U (en) | 2017-04-26 | 2017-04-26 | A kind of mixing sampling needle mechanism for sample analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206756495U true CN206756495U (en) | 2017-12-15 |
Family
ID=60616101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720447111.6U Expired - Fee Related CN206756495U (en) | 2017-04-26 | 2017-04-26 | A kind of mixing sampling needle mechanism for sample analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206756495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063753A (en) * | 2017-04-26 | 2017-08-18 | 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 CN201720447111.6U patent/CN206756495U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063753A (en) * | 2017-04-26 | 2017-08-18 | 江西欧范医疗器械有限公司 | A kind of mixing sampling needle mechanism for sample analysis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20171215 Termination date: 20200426 |