CN109012776A - A kind of intelligent liquid dispensing device of chemical experiment - Google Patents
A kind of intelligent liquid dispensing device of chemical experiment Download PDFInfo
- Publication number
- CN109012776A CN109012776A CN201811079211.3A CN201811079211A CN109012776A CN 109012776 A CN109012776 A CN 109012776A CN 201811079211 A CN201811079211 A CN 201811079211A CN 109012776 A CN109012776 A CN 109012776A
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- solution bottle
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- 239000007788 liquid Substances 0.000 title claims abstract description 119
- 238000002474 experimental method Methods 0.000 title claims abstract description 20
- 239000000126 substance Substances 0.000 title claims abstract description 19
- 239000002775 capsule Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000001704 evaporation Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B01L3/0241—Drop counters; Drop formers
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- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The invention discloses a kind of intelligent liquid dispensing devices of chemical experiment, are related to experimental instrument technology.The present invention includes solution bottle, dropping liquid control device and reaction flask, lower part is fixed with a stifled liquid component in solution bottle, solution bottle bottom end is fixed with an outlet tube, stifled liquid component includes fixed plate, one surface of fixed plate is fixed there are four connecting rod, and connecting rod one end is fixedly connected with solution bottle inner bottom surface, and one surface of fixed plate is fixed with a telescopic sleeve, telescopic sleeve one end is fixed with a stifled liquid plate, and stifled liquid plate is located inside outlet tube and is slidably matched with outlet tube.The present invention, with the use of the dropping liquid number of control dropping liquid and the interval time of dropping liquid, solves the problems, such as that dropping liquid quantity occurs in artificial dropping liquid and interval time is unable to accurately control by processor, electric switching valve, electric putter, extruding plate, rubber liquid capsule, slit minim pipette, the first button, the second button, third button, timer and counter.
Description
Technical field
The invention belongs to experimental instrument technologies, more particularly to a kind of intelligent liquid dispensing device of chemical experiment.
Background technique
The instrument that laboratory apparatus is used when being natural science specific experiment, mainly physics, chemistry, biology use instrument
Device is more, and modern and common laboratory apparatus has test tube, beaker, evaporating dish, crucible, alcolhol burner, Buchner funnel, drexel bottle, drying
Pipe, counter balance, graduated cylinder, volumetric flask, buret and vessel device etc..
It is frequently necessary in chemical experiment with liquid, that is, a kind of reaction solution is added drop-wise in reaction vessel, make it
It is chemically reacted with other solution, the chemical experiment high for precise requirements, amount, the speed of dropwise addition of reaction solution dropwise addition
Rate has strict requirements, and the prior art carries out manual operations using dropper, above-mentioned requirements, and some testing liquids are not achieved
It is toxic to be corrosive, also it is easy to happen danger.
Summary of the invention
The purpose of the present invention is to provide a kind of intelligent liquid dispensing devices of chemical experiment, pass through processor, motor switch
Valve, electric putter, extruding plate, rubber liquid capsule, slit minim pipette, the first button, the second button, third button, timer and counting
It the interval time with the use of the dropping liquid number and dropping liquid for controlling dropping liquid of device, solves artificial dropping liquid and dropping liquid quantity and interval occurs
The problem of time is unable to accurately control.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention is a kind of intelligent liquid dispensing device of chemical experiment, including solution bottle, dropping liquid control device and reaction flask；
Lower part is fixed with a stifled liquid component in the solution bottle, and the solution bottle bottom end is fixed with an outlet tube；
The stifled liquid component includes fixed plate, and one surface of fixed plate is fixed, and there are four connecting rod, the connecting rods one
End is fixedly connected with solution bottle inner bottom surface, and one surface of fixed plate is fixed with a telescopic sleeve, and described telescopic sleeve one end is solid
Surely have a stifled liquid plate, the stifled liquid plate is located inside outlet tube and is slidably matched with outlet tube, the stifled liquid plate and fixed plate it
Between be fixed with a spring, the spring is circumferentially positioned at telescopic sleeve outer surface；
The dropping liquid control device includes connection shell and extruding shell；
The connection shell inner surface is threadedly engaged with outlet tube week side, and described connection shell one end is fixed with a rubber liquid
Capsule, rubber liquid capsule are hollow sphere structure, and the liquid outlet fixation of the rubber liquid capsule is communicated with a slit minim pipette, the slit
Minim pipette is equipped with electric switching valve, and the inlet fixation of the rubber liquid capsule is communicated with an inlet tube, and the inlet tube is located at
Be slidably matched inside outlet tube and with outlet tube, the inlet tube week side offer four openings, be open for inlet tube
Input liquid；
The extruding shell top is fixedly connected with shell bottom end is connect, and the extruding shell week side is pushed away through fixed there are three electricity
Bar, the output end of the electric putter are fixed with an extruding plate, and the extruding plate, which is located at, to be squeezed inside shell.
Further, connection shell week side is fixed with a control shell, is equipped with processor, timer in the control shell
And counter, processor are ARM9 series processors, timer CN101A model timer, counter is YAOYE-4 model
Counter, the control shell week side be fixed with a display screen, the connection shell week side be fixed with one group of first button, one group
Second button and a third button, adduction of two first buttons for control timer subtract, and two second buttons are counted for controlling
The adduction of device subtracts, and third button is used for the switch of control circuit, the timer, counter, electric switching valve, display screen, electricity
Push rod, the first button, the second button and third button are connect with processor.
Further, solution bottle week side is fixed with a label and two dimensional code, and label and two dimensional code are molten for differentiating
Solution in liquid bottle, the solution bottle top are threaded with a lid, and lid prevents solution evaporation too fast.
Further, described reaction flask one end is fixed with a positioning block, is opened up on the locating piece there are three location hole, institute
State that squeeze shell bottom end fixed there are three locating rod, the locating rod and location hole clearance fit, the extruding shell week side fix
There is lantern ring, the internal diameter of the lantern ring and the outer diameter of locating piece are identical, can by being used cooperatively for locating rod, location hole and lantern ring
Shell will be squeezed to be placed on above reaction flask.
Further, the outer diameter of the stifled liquid plate and inlet tube is identical as the internal diameter of outlet tube, outside the fixed plate
Diameter is less than the internal diameter of solution bottle, and in the range of 5-8mm, solution can be fallen difference by the gap between fixed plate and solution bottle
Under.
Further, the telescopic sleeve is made of inner and outer tubes, and the sum of the length of the outer tube and stifled liquid plate is less than
The length of connecting rod, range of the difference in 8-12mm.
Further, the open top end at a distance from inlet tube top in the range of 3-5mm, the open bottom end with into
The distance on liquid pipe top guarantees that opening can be located inside solution bottle in the range of 8-12mm.
Further, the extruding plate is arc chip architecture, opposite on the extruding plate and rubber liquid capsule position, described to squeeze
One surface of tabletting is adhesively fixed with rubber pad.
Further, the solution bottle and reaction flask are made of transparent glass, being capable of observing response using transparent material
The reaction of bottle and the solution balance in solution bottle, the connection shell, extruding shell and outlet tube are made of PC plastic material, institute
It states lid inner top surface and connection shell top surface is respectively and fixedly provided with rubber sheet gasket, rubber sheet gasket plays the role of sealing.
The invention has the following advantages:
1, the present invention by the first button to processor input two drop dropping liquids between time interval, by the second button to
Processor inputs the molten number of drops needed, is opened by processor control electric switching valve and controls electric putter operation drive extruding
Piece squeezes a rubber liquid capsule, and solution when extruding in rubber liquid capsule is fallen in inside reaction flask by slit minim pipette to be reacted
With with liquid, electric putter resets at once after squeezing once and electric switching valve is closed, and is made by the cooperation of processor and timer
The time between dropping liquid is dripped with control two, dropping liquid dropping liquid number is controlled by processor and being used cooperatively for counter, is avoided artificial
There is dropping liquid quantity and the case where interval time is unable to accurately control in dropping liquid, and ensure that the accuracy of experimental data.
2, the present invention by connection shell one end alignment outlet tube and rotates, passes through by the way that solution bottle to be used will be needed to be inverted
Connection shell and being threadedly engaged for outlet tube drive inlet tube to move upwards along outlet tube, move upwards contact by inlet tube
Stifled liquid plate simultaneously drives stifled liquid plate to move upwards, and stifled liquid plate is with passing through opening band in the guiding movement to solution bottle of telescopic sleeve
Solution in dynamic solution bottle is fallen in inlet tube, and the solution in inlet tube is discharged into inside rubber liquid capsule, is opened by electric switching valve
The circulation and closure for opening or closing slit minim pipette facilitate installation and remove dropping liquid control device, user-friendly, and
The waste of experimental solutions and the danger of solution leakage are not will cause.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural schematic diagram of the intelligent liquid dispensing device of chemical experiment of the invention；
Fig. 2 is Structure explosion diagram of the invention；
Fig. 3 is the structural schematic diagram of solution bottle；
Fig. 4 is the structural schematic diagram of stifled liquid component；
Fig. 5 is the structural schematic diagram of dropping liquid control device；
Fig. 6 is the structural schematic diagram for connecting shell；
Fig. 7 is the structural schematic diagram for squeezing shell；
Fig. 8 is the structural schematic diagram of reaction flask；
In attached drawing, parts list represented by the reference numerals are as follows:
1- solution bottle, 2- dropping liquid control device, 3- reaction flask, 4- block up liquid component, 5- connection shell, and 6- squeezes shell, and 101- goes out
Liquid pipe, 102- label, 103- two dimensional code, 104- lid, 301- locating piece, 302- location hole, 401- fixed plate, 402- connection
Bar, 403- telescopic sleeve, 404- block up liquid plate, 405- spring, 501- rubber liquid capsule, 502- slit minim pipette, 503- motor switch
Valve, 504- inlet tube, 505- opening, 506- control shell, 507- display screen, the first button of 508-, the second button of 509-, 510- the
Three buttons, 601- electric putter, 602- extruding plate, 603- locating rod, 604- lantern ring.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-7, the present invention is a kind of intelligent liquid dispensing device of chemical experiment, including solution bottle 1, dropping liquid
Control device 2 and reaction flask 3；
Lower part is fixed with a stifled liquid component 4 in solution bottle 1, and 1 bottom end of solution bottle is fixed with an outlet tube 101；
Stifled liquid component 4 includes fixed plate 401, and 401 1 surface of fixed plate is fixed, and there are four connecting rod 402, connecting rods 402 1
End is fixedly connected with 1 inner bottom surface of solution bottle, and 401 1 surface of fixed plate is fixed with a telescopic sleeve 403,403 one end of telescopic sleeve
Be fixed with a stifled liquid plate 404, stifled liquid plate 404 is located at 101 inside of outlet tube and is slidably matched with outlet tube 101, block up liquid plate 404 and
A spring 405 is fixed between fixed plate 401, spring 405 is circumferentially positioned at 403 outer surface of telescopic sleeve；
Dropping liquid control device 2 includes connection shell 5 and extruding shell 6；
Connection 101 weeks sides of 5 inner surface of shell and outlet tube are threadedly engaged, and connection 5 one end of shell is fixed with a rubber liquid capsule
501, rubber liquid capsule 501 is hollow sphere structure, and the liquid outlet fixation of rubber liquid capsule 501 is communicated with a slit minim pipette 502, micro-
It stitches minim pipette 502 and is equipped with electric switching valve 503, the inlet fixation of rubber liquid capsule 501 is communicated with an inlet tube 504, feed liquor
Pipe 504 is located at 101 inside of outlet tube and is slidably matched with outlet tube 101, and 504 weeks sides of inlet tube offer four openings 505,
Opening 505 is for inputting liquid to inlet tube 504；
It squeezes 6 top of shell to be fixedly connected with 5 bottom end of shell is connect, squeezing 6 weeks sides of shell, there are three electric putters through fixing
601, the output end of electric putter 601 is fixed with an extruding plate 602, and extruding plate 602, which is located at, to be squeezed inside shell 6.
Wherein as shown in Figure 5 and Figure 6, connection 5 weeks sides of shell are fixed with a control shell 506, are equipped with processing in control shell 506
Device, timer and counter, processor are ARM9 series processors, and timer CN101A model timer, counter is
The counter of YAOYE-4 model, control 506 weeks sides of shell are fixed with a display screen 507, and connection 5 weeks sides of shell are fixed with one group
First 508, one group second of button button 509 and a third button 510, two first buttons 508 are used for the adduction of control timer
Subtracting, adduction of two second buttons 509 for control counter subtracts, switch of the third button 510 for control circuit, timer,
Counter, electric switching valve 503, display screen 507, electric putter 601, the first button 508, the second button 509 and third button 510
It is connect with processor.
Wherein as shown in figure 3,1 week side of solution bottle is fixed with a label 102 and two dimensional code 103, label 102 and two dimensional code
103 for differentiating the solution in solution bottle 1, and 1 top of solution bottle is threaded with a lid 104, and lid 104 prevents solution evaporation
It is too fast.
Wherein as shown in FIG. 7 and 8,3 one end of reaction flask is fixed with a positioning block 301, opens up that there are three fixed on locating piece 301
Position hole 302 squeezes 6 bottom end of shell and fixes there are three locating rod 603, locating rod 603 and 302 clearance fit of location hole, squeezes shell 6 weeks
Side is fixed with lantern ring 604, and the internal diameter of lantern ring 604 is identical as the outer diameter of locating piece 301, passes through locating rod 603, location hole 302
Extruding shell 6 can be placed on 3 top of reaction flask with being used cooperatively for lantern ring 604.
Wherein as shown in Fig. 3, Fig. 4 and Fig. 5, internal diameter of the outer diameter of liquid plate 404 and inlet tube 504 with outlet tube 101 is blocked up
Identical, the outer diameter of fixed plate 401 is less than the internal diameter of solution bottle 1, and for difference in the range of 5-8mm, solution can pass through fixed plate 401
Gap between solution bottle 1 is fallen.
Wherein, telescopic sleeve 403 is made of inner and outer tubes, and the sum of length of outer tube and stifled liquid plate 404 is less than connecting rod
402 length, range of the difference in 8-12mm.
Wherein, 505 tops of opening are in the range of 3-5mm at a distance from 504 top of inlet tube, and be open 505 bottom ends and feed liquor
The distance on 504 top of pipe guarantees that opening 505 can be located inside solution bottle 1 in the range of 8-12mm.
It is opposite on extruding plate 602 and 501 position of rubber liquid capsule wherein as shown in fig. 7, extruding plate 602 is arc chip architecture,
602 1 surface of extruding plate is adhesively fixed with rubber pad.
Wherein, solution bottle 1 and reaction flask 3 are made of transparent glass, are capable of the anti-of observing response bottle 3 using transparent material
Answer and solution bottle 1 in solution balance, connection shell 5 squeezes shell 6 and outlet tube 101 and is made of PC plastic material, lid
104 inner top surfaces and connection 5 top surface of shell are respectively and fixedly provided with rubber sheet gasket, and rubber sheet gasket plays the role of sealing.
One concrete application of the present embodiment are as follows: in use, by the first button 508 to processor input two drop dropping liquids it
Between time interval, the molten number of drops needed by the second button 509 to processor input, taking out needs solution bottle 1 to be used
Be inverted, the alignment of connection 5 one end of shell and rotated outlet tube 101, with connection shell 5 and outlet tube 101 be threadedly engaged drive into
Liquid pipe 504 is moved upwards along outlet tube 101, and 504 tip contact of inlet tube blocks up liquid plate 404 and drives stifled liquid plate 404 fortune upwards
It is dynamic, liquid plate 404 is blocked up as in the guiding movement to solution bottle 1 of telescopic sleeve 403, the solution in solution bottle 1 is fallen by opening 505
Into inlet tube 504, the solution in inlet tube 504 is discharged into inside rubber liquid capsule 501.
When needing with liquid, solution bottle 1 is limited in by reaction flask 3 by locating rod 603 and being used cooperatively for location hole 302
Surface, presses third button 510, and processor control electric switching valve 503 is opened and controls the operation drive of electric putter 601 and squeezes
Piece 602 squeezes a rubber liquid capsule 501, and solution when extruding in rubber liquid capsule 501 falls in reaction flask by slit minim pipette 502
Inside 3, electric putter 601 resets at once after squeezing once and electric switching valve 503 is closed, and passes through processor, electric switching valve
503, the time of electric putter 601 and timer being used cooperatively between two drop dropping liquids of control, pass through processor, electric switching valve
503, electric putter 601 and being used cooperatively for counter control dropping liquid dropping liquid number.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (9)
1. a kind of intelligent liquid dispensing device of chemical experiment, it is characterised in that: including solution bottle (1), dropping liquid control device (2) and
Reaction flask (3)；
The interior lower part of the solution bottle (1) is fixed with a stifled liquid component (4), and solution bottle (1) bottom end is fixed with an outlet tube
(101)；
The stifled liquid component (4) includes fixed plate (401), and (401) one surface of fixed plate is fixed with several connecting rods
(402), described connecting rod (402) one end is fixedly connected with solution bottle (1) inner bottom surface, and (401) one surface of fixed plate is fixed
Have a telescopic sleeve (403), described telescopic sleeve (403) one end is fixed with a stifled liquid plate (404), stifled liquid plate (404) position
It is slidably matched in outlet tube (101) inside and with outlet tube (101), it is fixed between the stifled liquid plate (404) and fixed plate (401)
Have a spring (405), the spring (405) is circumferentially positioned at telescopic sleeve (403) outer surface；
The dropping liquid control device (2) includes connection shell (5) and squeezes shell (6)；
Connection shell (5) inner surface is threadedly engaged with all sides of outlet tube (101), and described connection shell (5) one end is fixed with one
Rubber liquid capsule (501), the liquid outlet of the rubber liquid capsule (501) is fixed to be communicated with a slit minim pipette (502), the slit drop
Liquid pipe (502) is equipped with electric switching valve (503), and the inlet fixation of the rubber liquid capsule (501) is communicated with an inlet tube
(504), the inlet tube (504) is located at outlet tube (101) inside and is slidably matched with outlet tube (101), the inlet tube
(504) all sides offer several openings (505)；
The extruding shell (6) top is fixedly connected with shell (5) bottom end is connect, and the extruding shell (6) is fixed with if all sides are run through
Dry electric putter (601), the output end of the electric putter (601) are fixed with an extruding plate (602), and the extruding plate (602) is located at
It is internal to squeeze shell (6).
2. a kind of intelligent liquid dispensing device of chemical experiment according to claim 1, which is characterized in that the connection shell
(5) all sides are fixed with a control shell (506), and processor, timer and counter are equipped in the control shell (506), described
The all sides of control shell (506) are fixed with a display screen (507), and all sides of the connection shell (5) are fixed with one group of first button
(508), one group of second button (509) and a third button (510), the timer, electric switching valve (503), are shown counter
Display screen (507), electric putter (601), the first button (508), the second button (509) and third button (510) connect with processor
It connects.
3. a kind of intelligent liquid dispensing device of chemical experiment according to claim 1, which is characterized in that the solution bottle
(1) all sides are fixed with a label (102) and two dimensional code (103), and solution bottle (1) top is threaded with a lid
(104)。
4. a kind of intelligent liquid dispensing device of chemical experiment according to claim 1, which is characterized in that the reaction flask
(3) one end is fixed with a positioning block (301), is offered several location holes (302) on the locating piece (301), the extruding shell
(6) bottom end is fixed with several locating rods (603), the locating rod (603) and location hole (302) clearance fit, the extruding shell
(6) all sides are fixed with lantern ring (604), and the internal diameter of the lantern ring (604) is identical as the outer diameter of locating piece (301).
5. a kind of intelligent liquid dispensing device of chemical experiment according to claim 1, which is characterized in that the stifled liquid plate
(404) and the outer diameter of inlet tube (504) is identical as the internal diameter of outlet tube (101), and the outer diameter of the fixed plate (401) is less than molten
The internal diameter of liquid bottle (1), range of the difference in 5-8mm.
6. a kind of intelligent liquid dispensing device of chemical experiment according to claim 1, which is characterized in that the telescopic sleeve
(403) it is made of inner and outer tubes, the sum of length of the outer tube and stifled liquid plate (404) is less than the length of connecting rod (402), poor
It is worth the range in 8-12mm.
7. a kind of intelligent liquid dispensing device of chemical experiment according to claim 1, which is characterized in that the opening
(505) top at a distance from inlet tube (504) top in the range of 3-5mm, opening (505) bottom end and inlet tube (504)
Range of the distance on top in 8-12mm.
8. a kind of intelligent liquid dispensing device of chemical experiment according to claim 1, which is characterized in that the extruding plate
It (602) is arc chip architecture, opposite, the extruding plate (602) one on the extruding plate (602) and rubber liquid capsule (501) position
Surface is adhesively fixed with rubber pad.
9. a kind of intelligent liquid dispensing device of chemical experiment according to claim 1 or 3, which is characterized in that the solution
Bottle (1) and reaction flask (3) are made of transparent glass, and the connection shell (5), extruding shell (6) and outlet tube (101) are moulded by PC
Material material is made, and lid (104) inner top surface and connection shell (5) top surface are respectively and fixedly provided with rubber sheet gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811079211.3A CN109012776B (en) | 2018-09-14 | 2018-09-14 | Intelligent liquid device that joins in marriage for chemistry experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811079211.3A CN109012776B (en) | 2018-09-14 | 2018-09-14 | Intelligent liquid device that joins in marriage for chemistry experiments |
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| Publication Number | Publication Date |
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| CN109012776A true CN109012776A (en) | 2018-12-18 |
| CN109012776B CN109012776B (en) | 2020-12-29 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109012776B (en) | 2020-12-29 |
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