CN108339582A - A kind of quantitative liquid taking device - Google Patents
A kind of quantitative liquid taking device Download PDFInfo
- Publication number
- CN108339582A CN108339582A CN201710052844.4A CN201710052844A CN108339582A CN 108339582 A CN108339582 A CN 108339582A CN 201710052844 A CN201710052844 A CN 201710052844A CN 108339582 A CN108339582 A CN 108339582A
- Authority
- CN
- China
- Prior art keywords
- piston
- main body
- body cylinder
- threaded rod
- taking device
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
- B01L3/0217—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type
- B01L3/0227—Details of motor drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/12—Specific details about manufacturing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/14—Process control and prevention of errors
Abstract
The invention discloses a kind of quantitative liquid taking devices, including take liquid straw, piston, connecting rod, threaded rod, micromotor and main body cylinder；Liquid straw is taken to be mounted in protection pipe, protection pipe is mounted on the lower part of main body cylinder；It is set as plunger shaft, thread cavity and guide rail inside main body cylinder successively from bottom to up；Piston is mounted in plunger shaft, and threaded rod is mounted in thread cavity, and micromotor is mounted on by the sliding block of setting on guide rail, and connecting rod connects piston and threaded rod, and the rotation of minitype motor driving threaded rod promotes piston realization and takes liquid automatically.The device not only solves in traditional chemical experiment and takes the various defects of liquid, and can accurately control metering, adjusts on demand, seldom or is accurately tested very to extraction measuring requirement very useful.
Description
Technical field
The present invention relates to chemical apparatuses field more particularly to a kind of quantitative liquid taking devices.
Background technology
The liquid instrument that takes of traditional chemical experiment is exactly dropper, and dropper is difficult that artificial control is measured during use,
Especially in accurate chemical experiment, the metering taken sometimes is considerably less, only one milliliter even several milliliters of zero, this when
Wait again with conventional nozzle be difficult to control metering, to experiment cause error, influence experiment as a result, even causing the failure of an experiment.
Invention content
The purpose of the present invention is in view of the deficienciess of the prior art, providing a kind of hand-held chemical experiment use that can be charged
Quantitative liquid taking device, simple operation, metering are accurate.
Technical solution：It is of the present invention solve the problems, such as used by technical solution be：
A kind of quantitative liquid taking device, including take liquid straw, piston, connecting rod, threaded rod, micromotor and main body cylinder；It is described
Liquid straw is taken to be mounted in protection pipe, protection pipe is mounted on the lower part of main body cylinder；It is set successively from bottom to up inside the main body cylinder
It is equipped with plunger shaft, thread cavity and guide rail；The piston is mounted in plunger shaft and piston can move up and down in plunger shaft, institute
Plunger shaft is stated to communicate with liquid straw is taken；The threaded rod is mounted in thread cavity；The connecting rod lower end is connect with piston upper end, even
Bar upper end is connect with threaded rod lower end；The upper end of threaded rod is connect with micromotor, and micromotor is installed by the sliding block of setting
On guide rail；Top in the main body cylinder is also equipped with lithium battery, and the upper end of main body cylinder is equipped with the charging charged to lithium battery
Interface；Display screen, count button and reset button are provided on the outer wall of the main body cylinder.
Preferably, seeing scale clearly for convenience and extracting the amount of the liquid in suction pipe, the pipette and pillar are all provided with
It is set to glass tube, and the glass tube can be arranged to resistance to fall glass.
Preferably, in order to further facilitate control to draw the amount of liquid, set on the glass inside pipe wall of the protection pipe
There is scale, and glass tube can scale-amplifying.
Preferably, in order to make piston preferably move up or decline, baltimore groove is set as inside the upper end of the piston, even
Bar lower end is set as convex block.
Preferably, the convex block is mounted in baltimore groove.
Preferably, the charging interface is micro USB interfaces.
Preferably, the piston is rubber piston.
Advantageous effect：The invention has the advantages that：
(1) present invention is easy to operate, is rotated by minitype motor driving threaded rod, and threaded rod pushes the micromotor edge of top
Guide rail jacket, while rotating band piston and moving up, liquid flowing tube air pressure is lower liquid assimilating.Threaded rod Design of Screw Thread is accurate, turns
A dynamic circle can move up a certain amount of height with piston, so converting threaded rod turnning circle to the volume for drawing liquid.Behaviour
Liquid taking device is put into container bottle when making, presses count button, display screen shows that liquid-taken amount, liquid taking device work take out liquid
Afterwards, liquid taking device is taken out into container bottle, presses reset button, motor work, threaded rod returns to origin-location, and liquid is pushed out；
Liquid is quantitatively drawn in realization；
(2) main body cylinder upper end of the present invention is equipped with charging interface, is charged again with dedicated charger without battery is removed,
Charging interface is the wide micro USB interfaces of current use scope, is using existing common data line and power supply adaptor
It can charge, it is easy to use；There is glass protection of pipe outside liquid flowing tube, be not easy to smash, scale is additionally provided in protection pipe, in this way
Personnel can be conveniently operated and check again for taken metering, ensure the accuracy of experiment；Operator need to only press in main body cylinder by
Button can be by display screen visual reading, and it is very convenient to operate.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is connecting rod and piston junction partial enlarged view.
Cylinder outer upper schematic diagram based on Fig. 3.
Specific implementation mode
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated, and the present embodiment is with technical solution of the present invention
Premised under implemented, it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
Embodiment one
As shown in Figure 1, Figure 2 and Figure 3, a kind of quantitative liquid taking device, including liquid straw 1 is taken, piston 2, connecting rod 3, threaded rod
4, micromotor 5 and main body cylinder 6；Described that liquid straw 1 is taken to be mounted in protection pipe 7, protection pipe 7 is mounted on the lower part of main body cylinder 6；
It is set as plunger shaft 8, thread cavity 9 and guide rail 10 inside the main body cylinder 6 successively from bottom to up；The piston 2 is mounted on piston
In chamber 8 and piston 2 can move up and down in plunger shaft 8, and the plunger shaft 8 is communicated with liquid straw 1 is taken；The threaded rod 4 is pacified
In thread cavity 9；3 lower end of the connecting rod is connect with 2 upper end of piston, and 3 upper end of connecting rod is connect with 4 lower end of threaded rod；Threaded rod 4
Upper end connect with micromotor 5, micromotor 5 is mounted on by the sliding block of setting on guide rail 10；It is upper in the main body cylinder 6
Portion is also equipped with lithium battery, and the upper end of main body cylinder 6 is equipped with the charging interface 11 to charge to lithium battery；The outer wall of the main body cylinder 6
On be provided with display screen 12, count button 13 and reset button 14.
As shown in Figure 1, on the basis of embodiment one, the pipette 1 is glass tube.
On the basis of embodiment one, the protection pipe 7 is glass tube.
On the basis of embodiment one, the glass inside pipe wall of the protection pipe 7 is equipped with scale, and glass tube can amplify quarter
Degree.
As shown in Fig. 2, on the basis of embodiment one, it is set as baltimore groove 15 inside the upper end of the piston 2, under connecting rod 3
End is set as convex block 16.
As shown in Fig. 2, on the basis of embodiment two, the convex block 16 is mounted in baltimore groove 15.
On the basis of embodiment one, the charging interface 11 is micro USB interfaces.
On the basis of embodiment one, the piston 2 is rubber piston.
The present invention is easy to operate, is rotated by minitype motor driving threaded rod, and threaded rod pushes the micromotor edge of top to lead
Rail jacket, while rotating band piston and moving up, liquid flowing tube air pressure is lower liquid assimilating.Threaded rod Design of Screw Thread is accurate, rotation
One circle can move up a certain amount of height with piston, so converting threaded rod turnning circle to the volume for drawing liquid.Operation
When liquid taking device is put into container bottle, press count button, display screen shows liquid-taken amount, liquid taking device work, after taking out liquid,
Liquid taking device is taken out into container bottle, presses reset button, motor work, threaded rod returns to origin-location, and liquid is pushed out；It realizes
Quantitatively draw liquid.
Main body cylinder upper end of the present invention is equipped with charging interface, is charged, is filled with dedicated charger again without battery is removed
Electrical interface is the wide micro USB interfaces of current use scope, utilizes existing common data line and power supply adaptor
It charges, it is easy to use；There is glass protection of pipe outside liquid flowing tube, be not easy to smash, scale is additionally provided in protection pipe, also can in this way
The personnel of being conveniently operated check again for taken metering, ensure the accuracy of experiment；Operator need to only press the button in main body cylinder
Can be by display screen visual reading, it is very convenient to operate.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of quantitative liquid taking device, it is characterised in that：Including taking liquid straw (1), piston (2), connecting rod (3), threaded rod (4),
Micromotor (5), main body cylinder (6) and protection pipe (7)；It is described that liquid straw (1) is taken to be mounted in protection pipe (7), protection pipe (7) peace
Lower part mounted in main body cylinder (6)；Be disposed with plunger shaft (8) inside the main body cylinder (6) from bottom to up, thread cavity (9) and
Guide rail (10)；The piston (2) is mounted in plunger shaft (8) and piston (2) can move up and down in plunger shaft (8), described
Plunger shaft (8) is communicated with liquid straw (1) is taken；The threaded rod (4) is mounted in thread cavity (9)；Connecting rod (3) lower end and work
The connection of (2) upper end is filled in, connecting rod (3) upper end is connect with threaded rod (4) lower end；The upper end of threaded rod (4) connects with micromotor (5)
It connects, micromotor (5) is mounted on by the sliding block of setting on guide rail (10)；Top in the main body cylinder (6) is also equipped with lithium
Battery, the upper end of main body cylinder (6) are equipped with the charging interface (11) to charge to lithium battery；It is arranged on the outer wall of the main body cylinder (6)
There are display screen (12), count button (13) and reset button (14).
2. a kind of quantitative liquid taking device according to claim 1, it is characterised in that：It is set on the outer wall of the main body cylinder (6)
It is equipped with display screen (12), count button (13) and reset button (14).
3. a kind of quantitative liquid taking device according to claim 1, it is characterised in that：The pipette (1) and protection pipe (7)
It is disposed as glass tube.
4. a kind of quantitative liquid taking device according to claim 3, it is characterised in that：In the glass tube of the protection pipe (7)
Wall is equipped with scale, and glass tube can scale-amplifying.
5. a kind of quantitative liquid taking device according to claim 1, it is characterised in that：It is set inside the upper end of the piston (2)
For baltimore groove (15), connecting rod (3) lower end is set as convex block (16).
6. a kind of quantitative liquid taking device according to claim 5, it is characterised in that：The convex block (16) is mounted on baltimore groove
(15) in.
7. a kind of quantitative liquid taking device according to claim 1, it is characterised in that：The charging interface (11) is micro
USB interface.
8. a kind of quantitative liquid taking device according to claim 1, it is characterised in that：The piston (2) is rubber piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710052844.4A CN108339582A (en) | 2017-01-24 | 2017-01-24 | A kind of quantitative liquid taking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710052844.4A CN108339582A (en) | 2017-01-24 | 2017-01-24 | A kind of quantitative liquid taking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108339582A true CN108339582A (en) | 2018-07-31 |
Family
ID=62961864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710052844.4A Pending CN108339582A (en) | 2017-01-24 | 2017-01-24 | A kind of quantitative liquid taking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108339582A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848005A (en) * | 2019-04-02 | 2019-06-07 | 深圳德诚达光电材料有限公司 | Vacuum coating equipment adds plated film pharmaceutical water systems automatically |
| CN111359690A (en) * | 2020-03-23 | 2020-07-03 | 徐州工程学院 | Hand-held type moves liquid and filters all-in-one |
| CN111889157A (en) * | 2020-07-21 | 2020-11-06 | 上海交通大学 | Intelligent liquid transfer gun and liquid transfer gun rack thereof |
-
2017
- 2017-01-24 CN CN201710052844.4A patent/CN108339582A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848005A (en) * | 2019-04-02 | 2019-06-07 | 深圳德诚达光电材料有限公司 | Vacuum coating equipment adds plated film pharmaceutical water systems automatically |
| CN111359690A (en) * | 2020-03-23 | 2020-07-03 | 徐州工程学院 | Hand-held type moves liquid and filters all-in-one |
| CN111889157A (en) * | 2020-07-21 | 2020-11-06 | 上海交通大学 | Intelligent liquid transfer gun and liquid transfer gun rack thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108339582A (en) | A kind of quantitative liquid taking device | |
| CN207585960U (en) | A kind of medical test sampler | |
| CN205269694U (en) | Measurement sampler | |
| CN208333978U (en) | A kind of medical test sample sampler | |
| CN206622123U (en) | A kind of quantitative liquid taking device | |
| CN207123539U (en) | The dilution wiper mechanism of dietetic food detection device | |
| CN204816580U (en) | Injection formula pipette | |
| CN207675257U (en) | A kind of concrete mixture quantitative sampling device for liquid | |
| CN202393627U (en) | Micro-sampler for inspection | |
| CN201983950U (en) | Testing sampler | |
| CN205175873U (en) | Intelligent transdermal measurement experiment device of dosing | |
| CN206583641U (en) | A kind of clinical laboratory measures sampling device with essence | |
| CN204807156U (en) | Gas dosing detection device | |
| CN210775895U (en) | Constant-pressure quantitative water injection type raininess simulation calibration device | |
| CN108686728A (en) | Multrirange liquid automatic quantitation pipette device | |
| CN208505810U (en) | A kind of Brinell hardness tester of portable direct-reading | |
| CN209727539U (en) | Piston type deepwater-positioning sampling device | |
| CN208420442U (en) | A kind of TDS water quality detection quantitative sampling device | |
| CN204346968U (en) | Microwater device automatic pump drainage liquid device electrode | |
| CN206974725U (en) | Microphyte organizes juice squeezer | |
| CN101915683B (en) | Metering device | |
| CN206132435U (en) | Novel medical science inspection pipe | |
| CN216645976U (en) | Standard metering and sampling device for inspection | |
| CN210785444U (en) | Adjustable standard scale | |
| CN201589636U (en) | Digital display flotation machine aeration rate measurer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180731 |