CN104155466A - Vertical movement mechanism for medical equipment - Google Patents
Vertical movement mechanism for medical equipment Download PDFInfo
- Publication number
- CN104155466A CN104155466A CN201410439526.XA CN201410439526A CN104155466A CN 104155466 A CN104155466 A CN 104155466A CN 201410439526 A CN201410439526 A CN 201410439526A CN 104155466 A CN104155466 A CN 104155466A
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- CN
- China
- Prior art keywords
- slipper bracket
- sample needle
- vertical movement
- movement mechanism
- fixed mount
- 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
- 230000003287 optical effect Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 102000004190 Enzymes Human genes 0.000 description 4
- 108090000790 Enzymes Proteins 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
A vertical movement mechanism for medical equipment is characterized in that the vertical movement mechanism comprises a fixing frame (1), rollers (2), a sliding bracket (3), a sampling probe (4), a capacitive liquid level sensor (5), a pinion (6), a stepping motor (7) and a selector (8), wherein the fixing frame (1) is mounted on a fully automatic enzyme immunoassay device, the rollers (2) are mounted on the fixing frame (1), the sliding bracket (3) is positioned between the rollers (2) on two sides, grids are formed at the bottom of the sliding bracket (3), the pinion (6) is meshed with the grids, the pinion (6) is driven by the stepping motor (7) mounted on the fixing frame (1), the selector (8) is mounted at the upper end of the sliding bracket (3) to block lights and let an optical sensor to generate a corresponding jump level, and the sampling probe (4) and the capacitive liquid level sensor (5) are mounted at the lower end of the sliding bracket (3). The vertical movement mechanism has the advantages of simple structure and high movement accuracy.
Description
Technical field
The present invention relates to a kind of mechanical motion mechanism, Z-direction (vertical direction) motion control mechanism using in especially a kind of medicine equipment, specifically a kind of Medical Devices vertical movement mechanism.
Background technology
At present, the application of sample motion control part of automatic enzyme immune analytic system generally adopts the structure of motor, synchronous pulley, fixed bar, this structure is heavier, to the general adopts pressure sensor of the detection of liquid, sensitivity is not as condenser type level sensor, aspect motion control, mainly rely on Electric Machine Control, affected the accuracy of detection of equipment, be necessary to improve.
Summary of the invention
The object of the invention is for the z shaft movement mechanism complex structure in existing automatic enzyme immune analytic system, the problem of low precision, to design a kind of structure light and handy, a kind of Medical Devices vertical movement mechanism that precision is high.
Technical scheme of the present invention is:
A kind of Medical Devices vertical movement mechanism, it is characterized in that it comprises fixed mount 1, roller bearing 2, slipper bracket 3, sample needle 4, condenser type level sensor 5, pinion wheel 6, stepper motor 7 and selector switch 8, fixed mount 1 is arranged on automatic enzyme immune analytical equipment, roller bearing 2 is arranged on fixed mount 1, slipper bracket 3 is between the roller bearing 2 of both sides, the bottom of slipper bracket 3 is provided with grid, pinion wheel 6 engages with described grid, pinion wheel 6 is driven by the stepper motor 7 being arranged on fixed mount 1, the upper end that described selector switch 8 is arranged on slipper bracket 3 makes optical sensor send corresponding saltus step level for shutting out the light, described sample needle 4 and condenser type level sensor 5 are arranged on the lower end of slipper bracket 3.
Described selector switch 8 adopts black plastic, Z axis can be just in time when to rise to peak be the original position of sample needle 4 in the centre position of optical sensor, stop light, optical sensor jumps to low level from high level and confirms that sample needle 4 is in Z axis original position like this, and selector switch 8 is fixedly linked by AB glue and slipper bracket 3.
Described slipper bracket 3 is connected by screw hole with condenser type level sensor 5, sample needle 4 is logical signal 0 while liquid not detected with level sensor 5, in the time touching liquid, by measuring the variation of sample needle-liquid-ground loop electric capacity, the time that becomes logical signal 1 and keep one-period time T=electric capacity to change in circuit.
The sensitivity of described sample needle 4 is based on the duration of pulse, and can under certain duration of pulse, adjust, and is used for judgement to disturb or noise.
Beneficial effect of the present invention:
The present invention adopts pinion wheel to move on slipper bracket grid, realize the application of sample motion control of Z axis by grid number and selector switch, simultaneously for making slipper bracket in Z-direction vertical movement, prevent skew, adopt 4 roller bearings to fix slipper bracket, realized Z-direction application of sample and precisely controlled.
The present invention is simple in structure, manufactures easy for installationly, and kinematic accuracy is high, easy to adjust.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
As shown in Figure 1.
A kind of Medical Devices vertical movement mechanism, it comprises fixed mount 1, roller bearing 2, slipper bracket 3, sample needle 4, condenser type level sensor 5, pinion wheel 6, stepper motor 7 and selector switch 8, as shown in Figure 1, fixed mount 1 is arranged on automatic enzyme immune analytical equipment, roller bearing 2 is arranged on fixed mount 1 and moves up and down the skew in process with anti-skidding bracket 3, slipper bracket 3 is between the roller bearing 2 of both sides, the bottom of slipper bracket 3 is provided with grid, pinion wheel 6 engages with described grid, pinion wheel 6 is driven by the stepper motor 7 being arranged on fixed mount 1, the teeth of pinion wheel 6 just in time match with grid, under the drive of stepper motor 7, pinion wheel 6 rotates, thereby controlling slipper bracket 3 rises or declines.The upper end that selector switch 8 is arranged on slipper bracket 3 makes optical sensor send corresponding saltus step level for shutting out the light, described sample needle 4 and condenser type level sensor 5 are arranged on the lower end of slipper bracket 3.Described selector switch 8 adopts black plastic, Z axis can be just in time when to rise to peak be the original position of sample needle 4 in the centre position of optical sensor, stop light, optical sensor jumps to low level from high level and confirms that sample needle 4 is in Z axis original position like this, and selector switch 8 is fixedly linked by AB glue and slipper bracket 3.Described slipper bracket 3 is connected by screw hole with condenser type level sensor 5, sample needle 4 is arranged in condenser type level sensor 5, sample needle 4 is logical signal 0 while liquid not detected with level sensor 5, in the time touching liquid, by measuring the variation of sample needle-liquid-ground loop electric capacity, the time that becomes logical signal 1 and keep one-period time T=electric capacity to change in circuit.The sensitivity of sample needle 4 is based on the duration of pulse, and can under certain duration of pulse, adjust, and is used for judgement to disturb or noise.
Assembling process of the present invention is:
Step 1, is used AB glue to be fixed on slipper bracket 3 selector switch 8;
Step 2, is used screw to be fixed on slipper bracket 3 level sensor 5 and sample needle 4;
Step 3, is used 4 screws to be fixed on fixed mount 115 stepper motors 7;
Step 4, is arranged on pinion wheel 6 on stepper motor 7;
Step 5, on the fixed mount 1 shown in two roller bearings 2 are arranged on;
Step 6, assembly and fixed mount that just step 1-5 has assembled are combined, and require to note pinion wheel to coordinate and be stuck with grid when fixing, finally two roller bearings 2 of opposite side are arranged on fixed mount 1 again, and the structure after completing is as shown in Figure 1.
Complete by above 6 these installation compositions of step, can under the acting in conjunction of stepper motor, level sensor, selector switch, roller bearing, slipper bracket, realize the vertical movement control of Z axis.
The part that the present invention does not relate to all prior art that maybe can adopt same as the prior art is realized.
Claims (4)
1. a Medical Devices vertical movement mechanism, it is characterized in that it comprises fixed mount (1), roller bearing (2), slipper bracket (3), sample needle (4), condenser type level sensor (5), pinion wheel (6), stepper motor (7) and selector switch (8), fixed mount (1) is arranged on automatic enzyme immune analytical equipment, roller bearing (2) is arranged on fixed mount (1), slipper bracket (3) is positioned between the roller bearing (2) of both sides, the bottom of slipper bracket (3) is provided with grid, pinion wheel (6) engages with described grid, pinion wheel (6) is driven by the stepper motor (7) being arranged on fixed mount (1), the upper end that described selector switch (8) is arranged on slipper bracket (3) is used for shutting out the light and makes optical sensor send corresponding saltus step level, described sample needle (4) and condenser type level sensor (5) are arranged on the lower end of slipper bracket (3).
2. a kind of Medical Devices vertical movement mechanism according to claim 1, it is characterized in that described selector switch (8) adopts black plastic, Z axis can be just in time when to rise to peak be the original position of sample needle (4) in the centre position of optical sensor, stop light, optical sensor jumps to low level from high level and confirms that sample needle (4) is in Z axis original position like this, and selector switch (8) is fixedly linked by AB glue and slipper bracket (3).
3. a kind of Medical Devices vertical movement mechanism according to claim 1, it is characterized in that described slipper bracket (3) is connected by screw hole with condenser type level sensor (5), sample needle (4) is logical signal 0 while liquid not detected with level sensor (5), in the time touching liquid, by measuring the variation of sample needle-liquid-ground loop electric capacity, the time that becomes logical signal 1 and keep one-period time T=electric capacity to change in circuit.
4. a kind of Medical Devices vertical movement mechanism according to claim 1, is characterized in that the sensitivity of described sample needle (4) is based on the duration of pulse, and can under certain duration of pulse, adjust, and is used for judging and disturbs or noise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410439526.XA CN104155466A (en) | 2014-09-01 | 2014-09-01 | Vertical movement mechanism for medical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410439526.XA CN104155466A (en) | 2014-09-01 | 2014-09-01 | Vertical movement mechanism for medical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104155466A true CN104155466A (en) | 2014-11-19 |
Family
ID=51881019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410439526.XA Pending CN104155466A (en) | 2014-09-01 | 2014-09-01 | Vertical movement mechanism for medical equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN104155466A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1454316A (en) * | 2000-06-30 | 2003-11-05 | 株式会社日立制作所 | Liquid dispensing method and device |
| JP2005337967A (en) * | 2004-05-28 | 2005-12-08 | Juki Corp | Dispenser |
| CN101782588A (en) * | 2010-01-27 | 2010-07-21 | 苏州生物医学工程技术研究所 | Double-needle sample sucking mechanism applicable to full-automatic blood type analytical instrument |
| CN201876373U (en) * | 2010-08-30 | 2011-06-22 | 广州阳普医疗科技股份有限公司 | Liquid stratified sampling device, analysis testing device and blood type analysis meter |
| CN102297934A (en) * | 2010-06-24 | 2011-12-28 | 希森美康株式会社 | Sample analyzer and liquid aspirating method |
| CN203170349U (en) * | 2013-01-15 | 2013-09-04 | 北京金麦格生物技术有限公司 | Liquid transferring mechanism |
| CN203658379U (en) * | 2013-12-24 | 2014-06-18 | 苏州长光华医生物医学工程有限公司 | Sampling device of full-automatic blood type instrument |
| CN204101573U (en) * | 2014-09-01 | 2015-01-14 | 江苏雷奥生物科技有限公司 | A kind of Medical Devices vertical movement mechanism |
-
2014
- 2014-09-01 CN CN201410439526.XA patent/CN104155466A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1454316A (en) * | 2000-06-30 | 2003-11-05 | 株式会社日立制作所 | Liquid dispensing method and device |
| JP2005337967A (en) * | 2004-05-28 | 2005-12-08 | Juki Corp | Dispenser |
| CN101782588A (en) * | 2010-01-27 | 2010-07-21 | 苏州生物医学工程技术研究所 | Double-needle sample sucking mechanism applicable to full-automatic blood type analytical instrument |
| CN102297934A (en) * | 2010-06-24 | 2011-12-28 | 希森美康株式会社 | Sample analyzer and liquid aspirating method |
| CN201876373U (en) * | 2010-08-30 | 2011-06-22 | 广州阳普医疗科技股份有限公司 | Liquid stratified sampling device, analysis testing device and blood type analysis meter |
| CN203170349U (en) * | 2013-01-15 | 2013-09-04 | 北京金麦格生物技术有限公司 | Liquid transferring mechanism |
| CN203658379U (en) * | 2013-12-24 | 2014-06-18 | 苏州长光华医生物医学工程有限公司 | Sampling device of full-automatic blood type instrument |
| CN204101573U (en) * | 2014-09-01 | 2015-01-14 | 江苏雷奥生物科技有限公司 | A kind of Medical Devices vertical movement mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141119 |
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| RJ01 | Rejection of invention patent application after publication |