CN209348663U - A kind of hand-held capacity calibration device of pipettor - Google Patents
A kind of hand-held capacity calibration device of pipettor Download PDFInfo
- Publication number
- CN209348663U CN209348663U CN201822023905.7U CN201822023905U CN209348663U CN 209348663 U CN209348663 U CN 209348663U CN 201822023905 U CN201822023905 U CN 201822023905U CN 209348663 U CN209348663 U CN 209348663U
- Authority
- CN
- China
- Prior art keywords
- pipettor
- driving motor
- driving
- support rod
- gear
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- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 claims abstract description 26
- 210000000078 claw Anatomy 0.000 claims description 22
- 239000007787 solid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The utility model relates to pipettor calibrating installation technical field, specially a kind of hand-held capacity calibration device of pipettor；Operating platform is arranged in device noumenon top, electronic scale symmetrical two-by-two is set on operating platform, first driving motor is fixedly mounted on hoistable platform, the driving gear installed on driven gear and the first driving motor output shaft engages, shaft upper end is arranged connector sleeve, connector sleeve is fixedly connected with support rod one end, the support rod other end connects the fixed anchor ear of pipettor, push pedal bracket is mounted on support rod top, second driving motor is installed in push pedal bracket, the output axis connection push plate of second driving motor drives gear, the tooth engagement of push plate driving gear and tooth plate side, tooth plate lower end connects push plate, push plate is located above the fixed anchor ear of pipettor.The utility model disposably can repeatedly be taken liquid and liquid relief, improved calibration efficiency, avoided manually-operated error, data are more accurate.
Description
Technical field
The utility model relates to pipettor calibrating installation technical field, specially a kind of hand-held pipettor volumetric correction dress
It sets.
Background technique
Pipettor is also known as liquid-transfering gun, is a kind of utensil for quantitative transfer liquid, is widely used in the neck such as biology, chemistry
Domain.Pipettor (liquid-transfering gun) generally pipettes a small amount of or micro liquid using pipettor in the research in terms of carrying out analysis test
Body.Pipettor can be divided into gas piston formula pipettor and external piston type pipettor according to principle.Gas piston formula pipettor master
It is used for standard liquid relief, external piston type pipettor to be mainly for the treatment of the special liquids such as volatile, perishable and sticky.By shifting
Whether liquid divides manually: Manual liquid transfering device, electric pipettor.
For external hand-held pipettor, if daily require using, need every three months clean and calibrate once,
Suds or disinfection ethyl alcohol can be used, then wash with distilled water, naturally dry.Temperature there are certain requirements when calibration, pipettor
It must be carried out under room temperature condition (25+/- 2 DEG C) when calibration.Need for different scales 10000 5000 1000 200ul must
It must be calibrated respectively, and identical graduation needs are repeatedly calibrated.Needing for an empty container to be placed on precision is 0.1 milligram
It is removed the peel on electronic balance, then the water in pipettor is added in empty container and is weighed, record reading.It repeats to calibrate and repeatedly takes liquid and row
Liquid could be completed to calibrate, and manual operation will cause error, and existing volumetric correction device every time can only be to a hand-held liquid relief
Device is calibrated, or still needs repeatedly adjusting that could complete calibration for a hand-held pipettor, and calibration process is not intuitive,
It is cumbersome.
Summary of the invention
In view of the defect of the prior art, the utility model provides a kind of hand-held capacity calibration device of pipettor, can one
Secondary property carries out repeatedly taking liquid and liquid relief, improves calibration efficiency, avoids manually-operated error, data are more accurate.
In order to achieve the above object, technical solution provided by the utility model is a kind of hand-held pipettor volumetric correction dress
It sets comprising device noumenon, operating platform, electronic scale, hoistable platform, lifting drive, shaft, bearing, the first driving electricity
Machine, driving gear, driven gear, connector sleeve, support rod, pipettor fixed anchor ear, push pedal bracket, the second driving motor, push plate
Drive gear, tooth plate, push plate；Operating platform is arranged in described device body upper part, is arranged on operating platform symmetrical two-by-two
Lifting drive is arranged in electronic scale, described device body interior, and the mobile terminal of lifting drive connects hoistable platform, described
Shaft is connected to hoistable platform by bearing, and driven gear is arranged in the shaft, and first driving motor is fixedly mounted on
On hoistable platform, the driving gear installed on driven gear and the first driving motor output shaft is engaged, and shaft upper end is arranged connection
Set, connector sleeve are fixedly connected with support rod one end, and the support rod other end connects the fixed anchor ear of pipettor, and push pedal bracket is mounted on branch
Strut top, the second driving motor is installed in push pedal bracket, and the output axis connection push plate of the second driving motor drives gear, push plate
The tooth engagement of gear and tooth plate side is driven, the tooth plate lower end connects push plate, and push plate is located above the fixed anchor ear of pipettor.
Based on the above-mentioned technical proposal, it does not need to laterally adjust pipettor, it is only necessary to controller height and be revolved
Turn, can be completed and take liquid and drain, and place multiple measurement beakers by circumferential, completes repeatedly measurement, whole process and pass through
Mechanical structure is completed, and manually-operated error is avoided, and improves calibration efficiency.
Based on the above-mentioned technical proposal, the tooth engagement of gear and tooth plate side is driven to carry out hand-held pipettor by push plate
Liquid relief is pressed, can preferably be control effectively to absorption range, so that measurement calibration result is more accurate.
Further, the connector sleeve two sides respectively connect a support rod.
Based on above-mentioned and technical solution, the fixed anchor ear of two pipettors can be clamped, while being calibrated, is further increased
Working efficiency.
Preferably, the lifting drive is hydraulic cylinder.
Further, the fixed anchor ear of the pipettor includes two semicircle claws, claw shaft and clamping screw, and described two
A semicircle claw one end is connected to support rod one end by claw shaft, and two semicircle claw other ends pass through locking screw bolt-lock
Tightly.
Preferably, the electronic scale is arranged 4,6 or 8.
Further, first driving motor, the second driving motor are servo motor.
Further, the push pedal bracket includes vertical panel, two side plates, drive shaft, motor support plate, ball bearings；Institute
It states vertical panel to be connected on support rod, two side plates is fixedly connected on vertical panel, the drive shaft is connected to two by ball bearing
A side plate, the push plate driving gear are mounted in the drive shaft between two side plates, and the driving is pivotally connected to the second driving
Motor, the second driving motor are mounted in motor support plate.
The course of work of the utility model, the calibration of hand-held pipettor using " 3 points of tests (the 100% of maximum range,
50% and 10%), every six times " rule, hand-held pipettor is fixed on the fixed anchor ear of pipettor, liquid beaker will be taken to place
Measurement beaker is placed on an electronic scale on the operational platform, on other electronic scales, drives lifting drive moving lifting
Platform drives shaft to drive the hand-held pipettor clamped on support rod to move up and down, and after mobile appropriate height, second is driven
Dynamic motor driven push plate sliding tooth wheel rotation, push plate drives the tooth engagement of gear and tooth plate side, to slide downwards with moving tooth plate
It is dynamic, drive push plate to carry out taking liquid, when be drawn to required range liquid (the 100% of maximum range, 50% or 10%) when, it is reversed to drive
Dynamic second driving motor, completion take the work that surges.After driving lifting drive to adjust height, driving the first driving motor band turn
Axis rotation rotates 180 ° or 90 °, and hand-held pipettor is moved to above a measurement beaker by the corresponding measurement beaker placed,
The first driving motor of stopping driving later, driving lifting drive adjusting hand-held pipettor height to suitable position, second
Driving motor drives the rotation of push plate sliding tooth wheel, and push plate drives the tooth engagement of gear and tooth plate side, thus downward with moving tooth plate
Sliding drives push plate to carry out drain, reads and reads from electronic scale, after driving lifting drive to adjust height again, driving the
One driving motor drives shaft rotation, rotates 180 ° or 90 °, and hand-held pipettor is moved to by the corresponding measurement beaker placed
It takes above liquid beaker, is taken liquid again, after driving lifting drive to adjust height again, the first driving motor of driving is driven
Shaft rotation, turns an angle, and hand-held pipettor is moved to above next measurement beaker, carries out drain and reading again
Number, successively carries out taking liquid and drain, finally all measurement beakers all can have been carried out drain operation, read and compared i.e.
It can.Whole process can be completed repeatedly to take by the control to lifting drive, the first driving motor and the second driving motor
Liquid and drain.Lifting drive, the first driving motor and the second driving motor can be connected to PLC device, carried out automatic
Control avoids error to submit working efficiency.
The utility model has the beneficial effects that the utility model disposably can repeatedly be taken liquid and liquid relief, calibration is improved
Efficiency, avoids manually-operated error, and data are more accurate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of embodiment 2；
Fig. 3 is the working state schematic representation of embodiment 2；
Fig. 4 is operating platform top view；
Fig. 5 is the fixed hooping structure schematic diagram of pipettor；
Fig. 6 is the working state figure that the fixed anchor ear of pipettor of side is opened；
Fig. 7 is the structural schematic diagram of push pedal bracket；
Fig. 8 is the partial enlarged view of A in Fig. 7；
In figure: 1, device noumenon, 2, operating platform, 3, electronic scale, 4, hoistable platform, 5, lifting drive, 6, turn
Axis, 7, bearing, the 8, first driving motor, 9, driving gear, 10, driven gear, 11, connector sleeve, 12, support rod, 13, liquid relief
Device fixation anchor ear, 14, push pedal bracket, the 15, second driving motor, 16, push plate driving gear, 17, tooth plate, 18, push plate, 19, half
Circle claw, 20, claw shaft, 21, clamping screw, 22, vertical panel, 23, side plate, 24, drive shaft, 25, motor support plate, 26,
Ball bearing.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
A kind of hand-held capacity calibration device of pipettor comprising device noumenon 1, operating platform 2, electronic scale 3, lifting are flat
Platform 4, lifting drive 5, shaft 6, bearing 7, the first driving motor 8, driving gear 9, driven gear 10, connector sleeve 11, branch
Strut 12, pipettor fixed anchor ear 13, push pedal bracket 4, the second driving motor 15, push plate drive gear 16, tooth plate 17, push plate
18；Operating platform 2 is arranged in 1 top of described device ontology, and electronic scale 3 symmetrical two-by-two, the dress is arranged on operating platform 2
Setting lifting drive 5 inside ontology 1 is set, the mobile terminal of lifting drive 5 connects hoistable platform 4, and the shaft 6 passes through
Bearing 7 is connected to hoistable platform 4, driven gear 10 is arranged in the shaft 6, first driving motor 8 is fixedly mounted on liter
It drops on platform 4, the driving gear 9 installed on driven gear 10 and 8 output shaft of the first driving motor engages, and 6 upper end of shaft is arranged
Connector sleeve 11, connector sleeve 11 are fixedly connected with 12 one end of support rod, and 12 other end of support rod connects the fixed anchor ear 13 of pipettor, are pushed away
Board mount 4 is mounted on 12 top of support rod, and the second driving motor 15, the output of the second driving motor 15 are installed in push pedal bracket 4
Axis connection push plate drives gear 16, and push plate drives the tooth engagement of gear 16 and 17 side of tooth plate, and 17 lower end of the tooth plate connection pushes away
Plate 18, push plate 18 are located at fixed 13 top of anchor ear of pipettor.
Preferably, the lifting drive 5 is hydraulic cylinder.
Further, the fixed anchor ear 13 of the pipettor includes two semicircle claws 19, claw shaft 20 and clamping screw
21, described two 19 one end of semicircle claw are connected to 12 one end of support rod by claw shaft 20, and two semicircle claws 19 are another
It is locked by clamping screw 21 at end.
Preferably, the electronic scale 3 is arranged 4.
Further, first driving motor 8, the second driving motor 15 are servo motor.
Further, the push pedal bracket 4 include 22, two side plates 23 of vertical panel, drive shaft 24, motor support plate 25,
Ball bearing 26；The vertical panel 22 is connected on support rod 12, and two side plates 23, the drive shaft are fixedly connected on vertical panel 22
24 are connected to two side plates 23 by ball bearing 26, and the push plate driving gear 16 is mounted on the drive shaft between two side plates 23
On, the driving is pivotally connected to the second driving motor 15, and the second driving motor 15 is mounted in motor support plate 27.
Embodiment 2
A kind of hand-held capacity calibration device of pipettor comprising device noumenon 1, operating platform 2, electronic scale 3, lifting are flat
Platform 4, lifting drive 5, shaft 6, bearing 7, the first driving motor 8, driving gear 9, driven gear 10, connector sleeve 11, branch
Strut 12, pipettor fixed anchor ear 13, push pedal bracket 4, the second driving motor 15, push plate drive gear 16, tooth plate 17, push plate
18；Operating platform 2 is arranged in 1 top of described device ontology, and electronic scale 3 symmetrical two-by-two, the dress is arranged on operating platform 2
Setting lifting drive 5 inside ontology 1 is set, the mobile terminal of lifting drive 5 connects hoistable platform 4, and the shaft 6 passes through
Bearing 7 is connected to hoistable platform 4, driven gear 10 is arranged in the shaft 6, first driving motor 8 is fixedly mounted on liter
It drops on platform 4, the driving gear 9 installed on driven gear 10 and 8 output shaft of the first driving motor engages, and 6 upper end of shaft is arranged
Connector sleeve 11, connector sleeve 11 are fixedly connected with 12 one end of support rod, and 12 other end of support rod connects the fixed anchor ear 13 of pipettor, are pushed away
Board mount 4 is mounted on 12 top of support rod, and the second driving motor 15, the output of the second driving motor 15 are installed in push pedal bracket 4
Axis connection push plate drives gear 16, and push plate drives the tooth engagement of gear 16 and 17 side of tooth plate, and 17 lower end of the tooth plate connection pushes away
Plate 18, push plate 18 are located at fixed 13 top of anchor ear of pipettor.
Further, 11 two sides of connector sleeve respectively connect a support rod 12.
Preferably, the lifting drive 5 is hydraulic cylinder.
Further, the fixed anchor ear 13 of the pipettor includes two semicircle claws 19, claw shaft 20 and clamping screw
21, described two 19 one end of semicircle claw are connected to 12 one end of support rod by claw shaft 20, and two semicircle claws 19 are another
It is locked by clamping screw 21 at end.
Preferably, the electronic scale 3 is arranged 4.
Further, first driving motor 8, the second driving motor 15 are servo motor.
Further, the push pedal bracket 4 include 22, two side plates 23 of vertical panel, drive shaft 24, motor support plate 25,
Ball bearing 26；The vertical panel 22 is connected on support rod 12, and two side plates 23, the drive shaft are fixedly connected on vertical panel 22
24 are connected to two side plates 23 by ball bearing 26, and the push plate driving gear 16 is mounted on the drive shaft between two side plates 23
On, the driving is pivotally connected to the second driving motor 15, and the second driving motor 15 is mounted in motor support plate 25.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
Various changes can be made.
Claims (7)
1. a kind of hand-held capacity calibration device of pipettor, it is characterised in that: including device noumenon, operating platform, electronic scale, liter
Platform, lifting drive, shaft, bearing, the first driving motor, driving gear, driven gear, connector sleeve, support rod, shifting drop
Liquid device fixes anchor ear, push pedal bracket, the second driving motor, and push plate drives gear, tooth plate, push plate；Described device body upper part is set
Operating platform is set, electronic scale symmetrical two-by-two, described device body interior setting lifting driving dress are set on operating platform
It sets, the mobile terminal of lifting drive connects hoistable platform, and the shaft is connected to hoistable platform by bearing, in the shaft
Driven gear is set, and first driving motor is fixedly mounted on hoistable platform, and driven gear and the first driving motor export
The driving gear engagement installed on axis, shaft upper end are arranged connector sleeve, and connector sleeve is fixedly connected with support rod one end, and support rod is another
One end connects the fixed anchor ear of pipettor, and push pedal bracket is mounted on support rod top, the second driving motor is installed in push pedal bracket, the
The output axis connection push plates of two driving motors drives gear, and push plate drives the tooth engagement of gear and tooth plate side, under the tooth plate
End connection push plate, push plate are located above the fixed anchor ear of pipettor.
2. a kind of hand-held capacity calibration device of pipettor according to claim 1, it is characterised in that: the connector sleeve two
Side respectively connects a support rod.
3. a kind of hand-held capacity calibration device of pipettor according to claim 1, it is characterised in that: the lifting driving
Device is hydraulic cylinder.
4. a kind of hand-held capacity calibration device of pipettor according to claim 1, it is characterised in that: the pipettor is solid
Determining anchor ear includes two semicircle claws, claw shaft and clamping screw, and described two semicircle claws one end is connected by claw shaft
It is connected to support rod one end, two semicircle claw other ends are locked by clamping screw.
5. a kind of hand-held capacity calibration device of pipettor according to claim 1, it is characterised in that: the electronic scale is set
Set 4,6 or 8.
6. a kind of hand-held capacity calibration device of pipettor according to claim 1, it is characterised in that: first driving
Motor, the second driving motor are servo motor.
7. a kind of hand-held capacity calibration device of pipettor according to claim 1, it is characterised in that: the push pedal bracket
Including vertical panel, two side plates, drive shaft, motor support plate, ball bearings；The vertical panel is connected on support rod, vertical panel
On be fixedly connected with two side plates, the drive shaft is connected to two side plates by ball bearing, and the push plate driving gear is mounted on
In drive shaft between two side plates, the driving is pivotally connected to the second driving motor, and the second driving motor is mounted on motor branch
On fagging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822023905.7U CN209348663U (en) | 2018-12-04 | 2018-12-04 | A kind of hand-held capacity calibration device of pipettor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822023905.7U CN209348663U (en) | 2018-12-04 | 2018-12-04 | A kind of hand-held capacity calibration device of pipettor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209348663U true CN209348663U (en) | 2019-09-06 |
Family
ID=67784364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822023905.7U Expired - Fee Related CN209348663U (en) | 2018-12-04 | 2018-12-04 | A kind of hand-held capacity calibration device of pipettor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209348663U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665558A (en) * | 2019-11-11 | 2020-01-10 | 马冬梅 | Automatic reagent precise adding device |
| CN113634300A (en) * | 2021-08-05 | 2021-11-12 | 上海凯威医药科技有限公司 | Medicine is liquid medicine extraction equipment for research and development |
-
2018
- 2018-12-04 CN CN201822023905.7U patent/CN209348663U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665558A (en) * | 2019-11-11 | 2020-01-10 | 马冬梅 | Automatic reagent precise adding device |
| CN113634300A (en) * | 2021-08-05 | 2021-11-12 | 上海凯威医药科技有限公司 | Medicine is liquid medicine extraction equipment for research and development |
| CN113634300B (en) * | 2021-08-05 | 2023-03-10 | 上海凯威医药科技有限公司 | Medicine is liquid medicine extraction equipment for research and development |
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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 |
Granted publication date: 20190906 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |