CN206184470U - Filter dropping liquid spoon for chemistry experiments - Google Patents

Filter dropping liquid spoon for chemistry experiments Download PDF

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Publication number
CN206184470U
CN206184470U CN201621261703.0U CN201621261703U CN206184470U CN 206184470 U CN206184470 U CN 206184470U CN 201621261703 U CN201621261703 U CN 201621261703U CN 206184470 U CN206184470 U CN 206184470U
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CN
China
Prior art keywords
spoon
chemical experiment
liquid
dropping liquid
fillter section
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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
Application number
CN201621261703.0U
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Chinese (zh)
Inventor
高烨
李宁
白鹤龙
赵仑
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Changchun Normal University
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Changchun Normal University
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Priority to CN201621261703.0U priority Critical patent/CN206184470U/en
Application granted granted Critical
Publication of CN206184470U publication Critical patent/CN206184470U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a filter dropping liquid spoon for chemistry experiments belongs to chemistry experiment apparatus field. It is including the spoon body and spoon handle, the end -to -end connection emulsoid that spoonful one end of the body was provided with the fillter section that is equipped with the filter core, fillter section is kept away from to the spoon handle, the spoon is equipped with the cavity of the internal bottom of intercommunication spoon and fillter section in the handle, when the spoon is internal when having liquid drug, extrudees during the emulsoid can inhale the fillter section with liquid drug, the emulsoid is connected with sharp mouth pipe, and the one end of being close to the emulsoid in the sharp mouth pipe sets up the check valve, the spoon handle sets up the ooff valve of steerable cavity break -make. The utility model discloses it is miscellaneous to carry out the elimination to the liquid chemical who takes to improve medicine purity, guarantee chemistry experiment's accuracy, have simple structure, design benefit, convenient and practical's advantage.

Description

A kind of chemical experiment filtering dropping liquid spoon
Technical field
The utility model belongs to chemical experiment apparatus field, more specifically to a kind of chemical experiment filtering dropping liquid Spoon.
Background technology
At present in the chemical education of school, it is often necessary to do experiment to coordinate student to understand, make in chemical laboratory It is medicine fetching spoon that the instrument of getting it filled is typically all, and medicine fetching spoon is common spoon, is made up of spoon body and kettleholder.Medicine fetching spoon in laboratory Solid powder medicine typically is taken, liquid drug is still taken sometimes, and coordinate dropper to be used together.The liquid medicine of chemical experiment Product, due to a variety of causes, such as long-term storage, ingress of air often contain some impurity so that liquid is muddy, in laboratory Needs are processed, in case liquid degree of purity not enough, influences reaction effect, or actually the amount of taking is different from institute expense, causes The failure of an experiment.Therefore, the impurity for how containing in laboratory removal liquid drug is most important to the precision of experiment.
In the prior art, the improvement to the medicine spoon of chemical experiment is a lot, and such as Chinese Patent Application No. is: 201020512453.X, publication date is:The patent document on March 16 in 2011, discloses a kind of medicine spoon specialized for chemical experiment, Belong to a kind of chemical experiment assistive device, the spoon head front side upper surface described in its structure is coated with baffle plate, is set at the rear portion of kettleholder External screw thread is equipped with, the kettleholder is threaded in sleeve pipe, the interior spiral shell being engaged with kettleholder external screw thread is provided with the inside of sleeve pipe Line, the rearward end of outside of sleeve is provided with external screw thread.New chemical experiment medicine spoon specialized compared to the prior art, with setting Meter rationally, simple structure, it is easy to use the features such as, operate with quick, it is ensured that get it filled conveniently, improve quality of chemistry teaching and religion Learn efficiency.
And for example, Chinese Patent Application No. is:201520312762.5, publication date is:In September, 2015 patent document of 9 days, Disclose a kind of chemical test and weigh medicine fetching spoon, including electronic weighing device, female spoon, sub- spoon, material toggling block, push rod, kettleholder and Weight display device, the front end integral type of the kettleholder is fixedly connected female spoon, and female spoon is internally provided with sub- spoon, the mother below sub- spoon Electronic weighing device is installed in spoon, electronic weighing device is connected with weight display device circuit, and weight display device is arranged on Kettleholder rear portion, weight display device circuit connection measurement switch is provided with push rod, putting back-end connection reset bullet inside hollow kettleholder Spring, push rod front end connection material toggling block, the push rod middle part is fixedly connected with push-and-pull block, and push-and-pull block is slidably arranged in the cunning on kettleholder In groove, a kind of chemical test is easy to operate with medicine fetching spoon, simple structure is weighed, and the work that makes to get it filled is more convenient and accurate, It is easy to operating personnel to control medicine taking amount, using effect is good, it is adaptable to the accurate weighing of chemicals.
Above two medicine spoon is all to facilitate chemical experiment to be improved, or facilitating medicine to take, is difficult to scatter, or Drug dosage can be improved and take precision, but what they contained in it can not remove medicine when taking, all for liquid drug Impurity, so as to cause medicine actual amount less than theoretical amount, influences the accuracy of chemical experiment.
The content of the invention
1st, the problem to be solved
There is impurity for the liquid drug used by existing chemical experiment, cause to test the problem of accuracy reduction, this reality With a kind of chemical experiment of new offer filtering dropping liquid spoon, filtering impurity elimination can be carried out to the liquid chemicals taken, so that Improve medicine purity, it is ensured that the accuracy of chemical experiment.
2nd, technical scheme
To solve the above problems, the utility model is adopted the following technical scheme that.
A kind of chemical experiment filtering dropping liquid spoon, including spoon body and kettleholder;Described kettleholder is set away from one end of spoon body There is fillter section, the end connection gel of fillter section is equipped with filter core in fillter section;Cavity is provided with the kettleholder, its one end The bottom in spoon body is communicated to, the other end is connected with fillter section, when having liquid drug in spoon body, extruding gel can be by liquid In body medicine suction filter section.
Used as further improvement of the utility model, the material of described gel is rubber;The filter core uses polyethers Sulfone film, nylon membrane, polypropylene screen, poly tetrafluoroethylene or Kynoar membrane cartridge.
Used as further improvement of the utility model, described gel is connected with sharp nozzle tube, near latex in sharp nozzle tube One end of body sets check valve;Described kettleholder sets switch valve, can control the break-make of cavity.
Used as further improvement of the utility model, described sharp nozzle tube is transparent glass tube, which is provided with dial markings.
As further improvement of the utility model, it is provided with consolidating that outs open is covered at the opening of described spoon body Fixed lid, cavity is provided with fixed lid, and removable cover is set in cavity, and the fixed lid of removable cover cooperation can close spoon body.
As further improvement of the utility model, the shifting block for stirring removable cover is provided with described removable cover.
3rd, beneficial effect
Compared to prior art, the beneficial effects of the utility model are:
(1) the utility model chemical experiment filtering dropping liquid spoon, is improved to traditional medicine spoon, and filtering is set on kettleholder Section, built-in filter core, fillter section connection gel, and spoon body is connected with fillter section by the cavity in kettleholder, when using the spoon After son takes the liquid drug of chemical experiment, extruding gel discharges again, can be by liquid in spoon body by cavity suction filter section In, by the filtration of filter core, impurities in liquid is removed, gel is extruded after the completion of filtering again, liquid is flowed back in spoon body, The effect of purity is improved so as to reach, it is ensured that the accuracy of chemical experiment;
(2) the utility model chemical experiment filtering dropping liquid spoon, the material of gel is rubber, just as rubber breast on dropper First sample, can extrude, long lifespan, and filter core can be using poly (ether sulfone) film, nylon membrane, polypropylene screen, poly tetrafluoroethylene or poly- inclined fluorine Liquid chemicals can be carried out except particulate, aseptic filtration, good filtration effect by ethene membrane cartridge;
(3) traditional chemical experiment medication spoon, is adapted to taking for pulverulent solids medicine, and for liquid drug, it is not Conveniently it is added drop-wise in reaction vessel, particularly small-caliber vessel, such as test tube, therefore the utility model chemical experiment filtering dropping liquid Spoon, is set on the basis of filtration, and sharp nozzle tube is connected with gel, sets unidirectional near one end of gel in sharp nozzle tube Valve, and kettleholder sets the switch valve of controllable cavity break-make, by using cooperatively for spoon body and sharp nozzle tube, you can to liquid drug Filtered, the intake and dropwise addition of liquid can be conveniently carried out again, greatly expanded its range of application;
(4) the utility model chemical experiment filtering dropping liquid spoon, sharp nozzle tube is transparent glass tube, which is provided with graduated scale Line, understand that the capacity of the liquid drug being added dropwise by sharp nozzle tube, reach the purpose of accurate measurement;
(5) the utility model chemical experiment filtering dropping liquid spoon, is provided with cover in outs open at the opening of spoon body Fixed lid, cavity is provided with fixed lid, and removable cover is set in cavity, and the fixed lid of removable cover cooperation can close spoon body, in spoon body After intake medicine, removable cover is closed spoon body, so as to prevent medicine from spilling outside spoon body, improve processing safety;
(6) the utility model chemical experiment filtering dropping liquid spoon, is provided with the shifting block for stirring removable cover on removable cover, Portable propelling lid stirs operation;
(7) the utility model chemical experiment filtering dropping liquid spoon, simple structure, design ingenious, convenient and practical.
Brief description of the drawings
Fig. 1 is a kind of structural representation of chemical experiment filtering dropping liquid spoon of the utility model.
In figure:1st, spoon body;2nd, kettleholder;3rd, fillter section;4th, gel;5th, filter core;6th, cavity;7th, switch valve;8th, sharp nozzle tube; 9th, fixed lid;10th, removable cover;11st, shifting block.
Specific embodiment
The utility model is further described below with reference to specific embodiments and the drawings.
Embodiment 1
As shown in figure 1, a kind of chemical experiment of the present embodiment filtering dropping liquid spoon, including spoon body 1 and kettleholder 2;Wherein, institute The kettleholder 2 stated is provided with fillter section 3 away from one end of spoon body 1, and the end connection gel 4 of fillter section 3 is equipped with fillter section 3 Filter core 5;Cavity 6 is provided with the kettleholder 2, its one end is communicated to the bottom in spoon body 1, the other end is connected with fillter section 3, when When holding liquid drug in spoon body 1, extruding gel 4 can be by liquid drug suction filter section 3.The chemical experiment of the present embodiment With filtering dropping liquid spoon, traditional medicine spoon is improved, after the liquid drug of chemical experiment is taken using the spoon, extruding breast Colloid 4 discharges again, can by liquid in spoon body 1 by the suction filter of cavity 6 section 3 in, by the filtration of filter core 5, remove liquid Impurity in body, extrudes gel 4 again after the completion of filtering, liquid is flowed back in spoon body 1, and the effect of purity is improved so as to reach, and protects Demonstrate,prove the accuracy of chemical experiment.
In the present embodiment, the material of described gel 4 is rubber, just as rubber pacifier on dropper, be can extrude, the longevity Life length;Filter core 5, can be to liquid using poly (ether sulfone) film, nylon membrane, polypropylene screen, poly tetrafluoroethylene or Kynoar membrane cartridge Body chemicals is carried out except particulate, aseptic filtration, and good filtration effect, the present embodiment uses Kynoar membrane cartridge.
Embodiment 2
A kind of chemical experiment filtering dropping liquid spoon of the present embodiment further improves on the basis of embodiment 1.Pass The chemical experiment medication spoon of system, is adapted to taking for pulverulent solids medicine, and for liquid drug, liquid is added dropwise its inconvenience To in reaction vessel, particularly small-caliber vessel, such as test tube, when to medicine is added in container, liquid is often opened along spoon body 1 Outside mouth edge outflow spoon body 1, cause to waste, danger may be also occurred that.Therefore, the present embodiment is connected with point in gel 4 Mouth pipe 8, check valve is set in sharp nozzle tube 8 near one end of gel 4, and the opening direction of the check valve is from gel 4 to point The sharp nozzle end of mouth pipe 8;Kettleholder 2 sets switch valve 7, can control the break-make of cavity 6.When in use, when spoon body 1 absorbed liquid medicine After product, extruding gel 4 discharge again, can by liquid in spoon body 1 by the suction filter of cavity 6 section 3 in, by the filtering of filter core 5 Effect, after removing impurities in liquid, into gel 4, closing switch valve 7 simultaneously lifts spoon body 1 so that the sharp mouth of sharp nozzle tube 8 End is downward, and gel 4 is extruded again, and check valve is opened, and liquid is oozed from the sharp nozzle end of sharp nozzle tube 8, completes filtering dropwise operation.
What deserves to be explained is, sharp nozzle tube 8 is transparent glass tube, which is provided with dial markings, be understand that by sharp nozzle tube The capacity of the liquid drug of dropwise addition, reaches the purpose of accurate measurement.
The using cooperatively by spoon body 1 and sharp nozzle tube 8 of the present embodiment chemical experiment filtering dropping liquid spoon, you can to liquid Medicine is filtered, and the intake that liquid can be conveniently carried out again is added dropwise, and greatly expands its range of application.
Embodiment 3
A kind of chemical experiment of the present embodiment filtering dropping liquid spoon, structure is substantially the same manner as Example 2, and difference exists In:The fixed lid 9 for covering in outs open is provided with the opening of described spoon body 1, cavity is provided with fixed lid 9, in cavity Removable cover 10 is set, and the fixed lid 9 of the cooperation of removable cover 10 can close spoon body 1.After the intake medicine of spoon body 1, removable cover 10 is used Spoon body is closed, so as to prevent medicine from spilling outside spoon body, processing safety is improved.Meanwhile, it is provided with removable cover 10 for dialling The shifting block 11 of dynamic removable cover 10, portable propelling lid 10 stirs operation.
Schematically the utility model and embodiments thereof are described above, the description does not have restricted, accompanying drawing Shown in be also one of implementation method of the present utility model, actual structure is not limited thereto.So, if this area Those of ordinary skill enlightened by it, do not departing from the case that the utility model creates objective, designed without creative The frame mode similar to the technical scheme and embodiment, all should belong to protection domain of the present utility model.

Claims (6)

1. a kind of chemical experiment is used and filters dropping liquid spoon, including spoon body (1) and kettleholder (2), it is characterised in that:Described kettleholder (2) One end away from spoon body (1) is provided with fillter section (3), and the end of fillter section (3) connects gel (4), and fillter section is equipped with (3) Filter core (5);Cavity (6) is provided with the kettleholder (2), its one end is communicated to the bottom in spoon body (1), the other end and fillter section (3) connect, when having liquid drug in spoon body (1), extruding gel (4) can be by liquid drug suction filter section (3).
2. a kind of chemical experiment according to claim 1 is used and filters dropping liquid spoon, it is characterised in that:Described gel (4) Material be rubber;The filter core (5) is using poly (ether sulfone) film, nylon membrane, polypropylene screen, poly tetrafluoroethylene or Kynoar Membrane cartridge.
3. a kind of chemical experiment according to claim 1 and 2 is used and filters dropping liquid spoon, it is characterised in that:Described gel (4) sharp nozzle tube (8) is connected with, check valve is set near one end of gel (4) in sharp nozzle tube (8);Described kettleholder (2) is set Switch valve (7), can control the break-make of cavity (6).
4. a kind of chemical experiment according to claim 3 is used and filters dropping liquid spoon, it is characterised in that:Described sharp nozzle tube (8) It is transparent glass tube, which is provided with dial markings.
5. a kind of chemical experiment according to claim 1 is used and filters dropping liquid spoon, it is characterised in that:Described spoon body (1) The fixed lid (9) for covering in outs open is provided with opening, cavity is provided with fixed lid (9), removable cover is set in cavity (10), the fixed lid (9) of removable cover (10) cooperation can close spoon body (1).
6. a kind of chemical experiment according to claim 5 is used and filters dropping liquid spoon, it is characterised in that:Described removable cover (10) On be provided with shifting block (11) for stirring removable cover (10).
CN201621261703.0U 2016-11-22 2016-11-22 Filter dropping liquid spoon for chemistry experiments Expired - Fee Related CN206184470U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621261703.0U CN206184470U (en) 2016-11-22 2016-11-22 Filter dropping liquid spoon for chemistry experiments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621261703.0U CN206184470U (en) 2016-11-22 2016-11-22 Filter dropping liquid spoon for chemistry experiments

Publications (1)

Publication Number Publication Date
CN206184470U true CN206184470U (en) 2017-05-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621261703.0U Expired - Fee Related CN206184470U (en) 2016-11-22 2016-11-22 Filter dropping liquid spoon for chemistry experiments

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116078454A (en) * 2023-03-14 2023-05-09 浙江爱康医用塑料有限公司 Sampling test tube

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116078454A (en) * 2023-03-14 2023-05-09 浙江爱康医用塑料有限公司 Sampling test tube
CN116078454B (en) * 2023-03-14 2023-08-25 浙江爱康医用塑料有限公司 Sampling test tube

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170524

Termination date: 20171122