CN206440681U - A kind of on-line automatic titrator - Google Patents
A kind of on-line automatic titrator Download PDFInfo
- Publication number
- CN206440681U CN206440681U CN201720138072.1U CN201720138072U CN206440681U CN 206440681 U CN206440681 U CN 206440681U CN 201720138072 U CN201720138072 U CN 201720138072U CN 206440681 U CN206440681 U CN 206440681U
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- CN
- China
- Prior art keywords
- runing rest
- linking arm
- line automatic
- pump
- automatic titrator
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of on-line automatic titrator, including control unit, titrate unit and agitating unit, titrating unit includes peristaltic pump, peristaltic pump includes pump seat, rotor and elastic pump tubes, rotor includes runing rest, circumference uniform distribution is in some hinge axis on runing rest, correspondence is hinged the linking arm being installed on each hinge axis and is rotatablely installed in the squeezing roller of each linking arm end, each hinge axis, the pivot center of squeezing roller and runing rest is parallel to each other, also rotated coaxially on runing rest and be provided with for synchronously driving each linking arm around its hinge axis to adjust the adjustment plate of distance between axles between each squeezing roller and runing rest, tightening structure fixed after adjustment is installed between runing rest and adjustment plate.On-line automatic titrator of the present utility model can be adjusted is used to extrude distance between axles between the roller of elastic pump tubes and runing rest in peristaltic pump, it is to avoid limitations of the elastic pump tubes to peristaltic pump, and elastic pump tubes are very convenient to.
Description
Technical field
The utility model belongs to measurement analysis technical field, relates generally to a kind of titrator, is specifically to be related to one kind
On-line automatic titrator.
Background technology
Analysis by titration, is called volumetric analysis, is the standard liquid of known actual concentrations to be added drop-wise in detected solution
Or detected solution is added drop-wise in standard liquid, until added standard liquid, stoichiometrically relation is quantified with measured matter
Untill reaction, then the volume of measurement standard solution consumption, according to the concentration of standard liquid and the volume consumed, calculates and treats
The content of material is surveyed, this analysis by titration is widely used, and has the higher degree of accuracy in macro-analysis.Traditional titrimetry
The predominantly artificial operation of experiment, it operates very trouble, it is necessary to carry out needing in the training of specialty, and experiment to testing crew
Repeatedly artificial reading and calculating can just draw testing result, and its test accuracy is relatively low, to evade the defect of Traditional Man titration, expand
The application of big titrimetric technique, the various automatic Titration instruments using peristaltic pump as core emerge in succession.Current various titrators
In the peristaltic pump that generally uses mainly drive roller to extrude the elastic pump tubes of U-shaped by driving stepper motor rotor, pass through pump line
The absorption and conveying of fluid are realized in the change of deformation generation volume.This peristaltic pump can not only carry out the defeated of fluid in the running
Send, also so-called when being stopped can close conveyance conduit as stop valve.The defect of existing peristaltic pump is：1., to pump line
Diameter and wall thickness have higher requirement, if the diameter of pump line or the wall thickness of pump line are undesirable, peristaltic pump just can not be normal
Work, has a strong impact on the accuracy of titrator；2., the extruding force of pair of rollers pump line can not be adjusted, and excessive extruding force not only adds
The speed damage and aging of pump line, and the load of stepper motor can be increased, and relatively low extruding force can not then ensure pump line
Sealing, influences the job stability of peristaltic pump；3., pump line is extruded by roller all the time, it is necessary to which first pair roller is dismantled
Pump line could be taken out, changes and bothers very much；Cause the maintenance of titrator more difficult.
Utility model content
The purpose of this utility model is：A kind of on-line automatic titrator easy to maintenance, working stability is provided, on overcoming
State the defect of prior art presence.
The technical solution of the utility model is：A kind of on-line automatic titrator, including control unit, titration unit and stirring
Unit, the titration unit includes stepper motor driven peristaltic pump, and the peristaltic pump includes pump seat, rolling assembling in pump seat
Rotor and the elastic pump tubes between pump seat and rotor, the rotor include runing rest, circumference uniform distribution in rotation branch
Some hinge axis on frame, correspondingly it is hinged the linking arm being installed on each hinge axis and is rotatablely installed in each linking arm end
Squeezing roller, the pivot center of each hinge axis, squeezing roller and runing rest is parallel to each other, and is also rotated coaxially on runing rest
It is provided with for synchronously driving each linking arm around its hinge axis to adjust distance between axles between each squeezing roller and runing rest
Adjustment plate, tightening structure fixed after adjustment is installed between runing rest and adjustment plate.
Lengthwise offers slotted hole respectively on described each linking arm, is vertically and fixedly provided with the adjustment plate and each company
Connect the slotted hole on arm and be oriented to the adjusting pin being slidably matched.
Described linking arm is arcuate structure, and described slotted hole is the fan-shaped elongated hole that arcuately linking arm lengthwise is opened up.
Described tightening structure includes being vertically fixed on fastening bolt on runing rest end face, concentric in adjustment plate
Offer the fan-shaped waist hole passed for fastening bolt.
Adjustment handle is fixed with by the fin of integral projection on the surface of the adjustment plate.
Described control unit includes master control cabinet, the inclined-plane of front upper place is provided with the top of master control cabinet and oblique at this
Control panel is installed, the agitating unit is integrated the magnetic force heating stirrer for the lower right side for being fixedly arranged on master control cabinet on face,
Peristaltic pump is fixedly mounted on the master control cabinet side board above the magnetic force heating stirrer.
The container locating slot for being used for placing standard liquid is provided with the top of master control cabinet.
Also it is vertically fixed on column, column to be oriented in the master control enclosure top and is slidably fitted with liquid droping head fixation branch
Frame, be installed with the liquid droping head fixed support with column coordinate press closer handle.
On-line automatic titrator of the present utility model is that the roller for being used to extrude elastic pump tubes in peristaltic pump is passed through into correspondence
The swing arm of setting is arranged on runing rest, utilizes coaxial mounted each roller of adjustment plate synchronous adjustment on runing rest and rotation
Distance between axles between support, by rotating the distance between axles between adjustment plate regulation roller and runing rest, can not only adjust rolling
Extruding force between wheel and elastic pump tubes so that the peristaltic pump can use a variety of different walls, the elastic pump tubes of different-diameter,
The stability of on-line automatic titrator work is ensure that, and each roller can be made to depart from and elasticity in peristaltic pump maintenance process
Extruding between pump line, so as to facilitate the replacing of elastic pump tubes in peristaltic pump, improves the maintenance facility of on-line automatic titrator
Property, the on-line automatic titrator is simple in construction, easy to use, effectively solves the problem of prior art is present.
Brief description of the drawings
Fig. 1 is the stereogram of on-line automatic titrator of the present utility model；
Fig. 2 is the structural representation of peristaltic pump in Fig. 1.
Embodiment
As shown in Figure 1 and Figure 2, it is mainly by control unit, drop for the concrete structure of on-line automatic titrator of the present utility model
Order member and the part of agitating unit three composition, wherein, control unit includes master control cabinet 100, is set at the top of master control cabinet 100
There is the inclined-plane towards front upper place and control panel 101 is installed on the inclined-plane, control panel 101 revolves provided with display screen and control
Button, agitating unit is integrated the magnetic force heating stirrer 102 for the lower right side for being fixedly arranged on master control cabinet 100, and magnetic force heating is stirred
Mix device 102 and be provided with the workbench 103 for being used for placing detected solution container, the core of titration unit is peristaltic pump 104, and this is compacted
Dynamic pump 104 is fixed on the side plate of master control cabinet 100 of the top of magnetic force heating stirrer 102, drives the stepping electricity of the peristaltic pump 104
Machine is arranged on inside master control cabinet 100.It is fixed with to be oriented on column 105, column 105 in the top vertical of master control cabinet 100 and slides
Liquid droping head fixed support 106 is installed, be installed with the liquid droping head fixed support 106 with column 105 coordinate press closer handle
107, meanwhile, the container locating slot 108 for placing standard liquid container is additionally provided with the top of master control cabinet 100.
Wherein, peristaltic pump 104 includes being rotatably equipped with rotor in pump seat 1, pump seat 1, and bullet is provided between pump seat 1 and rotor
Property pump line 4, be connected at the two ends of elastic pump tubes 4 in the connector 13 with the location and installation of pump seat 1, the utility model, turn
Attached bag includes runing rest 2 of the radially installed in rotating shaft 3, and circumference is uniformly rotatablely equipped with three on the runing rest 2
Hinge axis 14, by three hinge axis 14, correspondence is hinged and is provided with three linking arms 5 on runing rest 2, in three connections
The end of arm 5 is rotatablely equipped with squeezing roller 6 alternately with the extrusion fit of elastic pump tubes 4, each hinge axis 14, squeezing roller respectively
6 are parallel to each other with rotating shaft 3, meanwhile, also rotate coaxially and be provided with for synchronous each connection of driving in the rotating shaft 3 of runing rest 2
Arm 5 is rotated around correspondence hinge axis 14 to adjust the adjustment plate 8 of distance between axles between each squeezing roller 6 and runing rest 2, and in rotation
The tightening structure of fixed position between the two after adjustment is installed between support 2 and adjustment plate 8.In the present embodiment, it is each
Offer slotted hole 9 on linking arm 5 along its length respectively, be vertically and fixedly provided with adjustment plate 8 and the length on each linking arm 5
Circular hole 9 is correspondingly oriented to the adjusting pin 7 being slidably matched, due to the slotted hole 9 on each linking arm 5 with corresponding hinge axis 14 in bias
Structure, when rotating adjustment plate 8, adjustment plate 8 coordinates synchronous drive by the adjusting pin 7 of fixed installation with corresponding slotted hole 9
Each linking arm 5 is swung around its hinge axis 14, so as to adjust the squeezing roller 6 each end of linking arm 5 installed closer or far from
Runing rest 2, when each squeezing roller 6 is away from runing rest 2, i.e., is increased between squeezing roller 6 and elastic pump tubes 4 simultaneously
Extruding force, when each squeezing roller 6 is close to runing rest 2, i.e., is reduced between each squeezing roller 6 and elastic pump tubes 4 simultaneously
Extruding force, can make peristaltic pump use different wall, difference by the distance between axles adjusted between squeezing roller 6 and runing rest 2
The elastic pump tubes of diameter, make the work of peristaltic pump not limited by elastic pump tubes；When between squeezing roller 6 and runing rest 2
When spacing reaches minimum, each squeezing roller 6 can be made to depart from the contact between elastic pump tubes 4, now easily can more renewed
Elastic pump tubes 4.Positioning after being adjusted for convenience of squeezing roller 6, the above-mentioned structure that presses closer includes being vertically fixed on runing rest 2
Fastening bolt 11 on end face, it is concentric in adjustment plate 8 to offer the fan-shaped waist hole 10 passed for fastening bolt 11, the sector
The length of waist hole 10 is set according to the adjusting range of distance between axles between squeezing roller 6 and runing rest 2.For convenience of hand Screw or
Unscrew in fastening bolt 11, the present embodiment, wing nut is installed in fastening bolt 11.When need adjustment squeezing roller 6 with rotation
During distance between axles between support 2, the wing nut in fastening bolt 11 is first unscrewed, you can rotate adjustment plate 8, after adjustment is finished,
Screw wing nut adjustment plate 8 is fixed on runing rest 2, you can determine the operating position of squeezing roller 6.
In concrete application, above-mentioned each linking arm 5 is arcuate structure, is opened in the slotted hole 9 on each linking arm 5 for arcuately
The fan-shaped long pore structure that linking arm 5 is opened up；For convenience of rotating in adjustment plate 8, the present embodiment, it passes through on the surface of adjustment plate 8
Radially three fins of integral projection are fixed with adjustment handle 12.
Claims (8)
1. a kind of on-line automatic titrator, including control unit, titration unit and agitating unit, the titration unit include stepping
Motor-driven peristaltic pump, the peristaltic pump includes rotor in pump seat of pump seat, rolling assembling and located at pump seat and rotor
Between elastic pump tubes, it is characterised in that the rotor include runing rest, circumference uniform distribution in some hinges on runing rest
Axle, correspondingly it is hinged the linking arm being installed on each hinge axis and is rotatablely installed in the squeezing roller of each linking arm end, each hinge
The pivot center of chain rivet, squeezing roller and runing rest is parallel to each other, and also rotates coaxially and is provided with for same on runing rest
Each linking arm of step driving, to adjust the adjustment plate of distance between axles between each squeezing roller and runing rest, is revolving around its hinge axis
Turn that tightening structure fixed after adjustment is installed between support and adjustment plate.
2. on-line automatic titrator according to claim 1, it is characterised in that lengthwise is distinguished on described each linking arm
Slotted hole is offered, is vertically and fixedly provided with the adjustment plate and is oriented to the adjustment being slidably matched with the slotted hole on each linking arm
Pin.
3. on-line automatic titrator according to claim 2, it is characterised in that described linking arm is arcuate structure, institute
The slotted hole stated is the fan-shaped elongated hole that arcuately linking arm lengthwise is opened up.
4. on-line automatic titrator according to claim 1, it is characterised in that described tightening structure includes vertical fixed
Fastening bolt on runing rest end face, it is concentric in adjustment plate to offer the fan-shaped waist hole passed for fastening bolt.
5. on-line automatic titrator according to claim 1, it is characterised in that pass through one on the surface of the adjustment plate
The fin of projection is fixed with adjustment handle.
6. the on-line automatic titrator according to claim 1-5 any one, it is characterised in that described control unit includes
Master control cabinet, the inclined-plane of front upper place is provided with the top of master control cabinet and control panel is installed on the inclined-plane, described to stir
The magnetic force heating stirrer that unit is integrated the lower right side for being fixedly arranged on master control cabinet is mixed, above the magnetic force heating stirrer
Peristaltic pump is fixedly mounted on master control cabinet side board.
7. on-line automatic titrator according to claim 6, it is characterised in that being provided with the top of master control cabinet is used to put
Put the container locating slot of standard liquid.
8. on-line automatic titrator according to claim 6, it is characterised in that also solid vertically in the master control enclosure top
Surely have to be oriented on column, column and be slidably fitted with liquid droping head fixed support, be installed with and column on the liquid droping head fixed support
What is coordinated presses closer handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720138072.1U CN206440681U (en) | 2017-02-15 | 2017-02-15 | A kind of on-line automatic titrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720138072.1U CN206440681U (en) | 2017-02-15 | 2017-02-15 | A kind of on-line automatic titrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206440681U true CN206440681U (en) | 2017-08-25 |
Family
ID=59634640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720138072.1U Expired - Fee Related CN206440681U (en) | 2017-02-15 | 2017-02-15 | A kind of on-line automatic titrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206440681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113633857A (en) * | 2021-08-16 | 2021-11-12 | 王旭 | Dual-purpose powder supply device and using method thereof |
-
2017
- 2017-02-15 CN CN201720138072.1U patent/CN206440681U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113633857A (en) * | 2021-08-16 | 2021-11-12 | 王旭 | Dual-purpose powder supply device and using method thereof |
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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: 20170825 Termination date: 20180215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |