CN206810312U - A kind of chemical dropper - Google Patents
A kind of chemical dropper Download PDFInfo
- Publication number
- CN206810312U CN206810312U CN201720438709.9U CN201720438709U CN206810312U CN 206810312 U CN206810312 U CN 206810312U CN 201720438709 U CN201720438709 U CN 201720438709U CN 206810312 U CN206810312 U CN 206810312U
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- CN
- China
- Prior art keywords
- cover plate
- reagent
- chemical
- dropper
- glass pipette
- 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.)
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Abstract
It the utility model is related to chemical experiment apparatus field, a kind of chemical dropper, including dropper body are disclosed, dropper body includes glass pipette and Capsule, the first cover plate is arranged with the glass pipette below Capsule, the first described cover plate can be slided up and down on glass pipette；The size of the first described cover plate is not less than the size of the bottleneck for the reagent bottle for being used to hold reagent.The utility model can be reduced chemical reagent being spread across operating personnel on hand in the pipetting processes for carrying out chemical reagent, and the chemical reagent in reagent bottle can be prevented to evaporate into extraneous chemical dropper to a certain extent.
Description
(1) technical field
Chemical experiment apparatus field is the utility model is related to, more particularly to a kind of chemical dropper.
(2) background technology
During chemical experiment is carried out, often pipetting is carried out with dropper.And many chemical reagent have compared with
Strong oxidisability, such as：The concentrated sulfuric acid, concentrated nitric acid etc., some reagents have very strong dyeability, such as：Liquor potassic permanganate etc., also have
A little reagents can give out penetrating odor or have stronger volatility, such as：Ammoniacal liquor, concentrated hydrochloric acid, oleum etc..To this
When a little chemical reagent carry out pipetting, these reagents are easy to flow to operating personnel on hand along dropper, to operating personnel
Damage, while its smell distributed can also impact to operating personnel.
(3) content of the invention
The technical problems to be solved in the utility model be to provide it is a kind of can carry out chemical reagent pipetting processes in, subtract
Major general's chemical reagent is spread across operating personnel on hand, and the chemical reagent in reagent bottle can be prevented to evaporate into the external world to a certain extent
Chemical dropper.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of chemical dropper, including dropper body, dropper body include glass pipette and Capsule, the glass below Capsule
The first cover plate is arranged with suction pipe, the first described cover plate can be slided up and down on glass pipette；The first described lid
The size of plate is not less than the size of the bottleneck for the reagent bottle for being used to hold reagent.
In a specific embodiment of the present utility model, on the glass pipette between the first described cover plate and Capsule
One second cover plate is arranged with, the second cover plate is connected with glass pipette；Described the first cover plate and the second cover plate passes through some flexible
Bar is connected.
In a specific embodiment of the present utility model, the first described cover plate is in back taper, the bottom of the first cover plate
Cross-sectional area be less than top cross-sectional area；The cross-sectional area of the bottom of the first described cover plate, which is less than, to be used to hold reagent
The size of the bottleneck of reagent bottle, the cross-sectional area at the top of the first cover plate are more than the big of the bottleneck for the reagent bottle for being used to hold reagent
It is small.
In preferred embodiment of the present utility model, along the first cover plate at the bottom margin of the first described cover plate
Bottom margin is provided with a circle baffle plate.
In preferred embodiment of the present utility model, scale is provided with described glass pipette.
In preferred embodiment of the present utility model, anticorrosive coating is coated with the internal layer of described Capsule.
In preferred embodiment of the present utility model, the material of the first described cover plate and the second cover plate all for glass or
Person's plastics.
Compared with prior art, the beneficial effects of the utility model are as follows：
The utility model provides a kind of chemical dropper, can be in the pipetting processes for carrying out chemical reagent, and reducing to change
Learn reagent and be spread across operating personnel on hand, and the chemical reagent in reagent bottle can be prevented to evaporate into the external world to a certain extent.
The first cover plate being sheathed on glass pipette, its size are not less than the big of the bottleneck for the reagent bottle for being used to hold reagent
It is small, the bottleneck of the reagent bottle of storage chemical reagent can be just covered in the first cover plate so in the pipetting processes of chemical reagent
Position, while not influenceing dropper and carrying out taking liquid to operate, distributing for chemical reagent volatilization taste in reagent bottle can be reduced, is carried
The operating efficiency of high operating personnel, lower actual bodily harm of the chemical reagent to operating personnel.Meanwhile scale on dropper be present, need
When dropper is inverted into progress reading, the chemical reagent that can prevent from attaching on glass pipette directly slides along glass dropper
To operating personnel on hand, operating personnel are damaged.
The second cover plate is set above the first cover plate, and the first cover plate and the second cover plate are connected with expansion link, on the one hand may be used
To prevent the first cover plate from sliding, pipetting for chemical reagent is influenceed；On the other hand it can increase when being inverted chemical dropper, change
Learn reagent and the time of operating personnel on hand is flowed to from glass pipette.
First cover plate is in back taper, and the cross-sectional area of the bottom of the first cover plate is less than the cross-sectional area at top；First cover plate
Bottom cross-sectional area be less than be used for hold reagent reagent bottle bottleneck size, the cross-sectional area at the top of the first cover plate
More than the size of the bottleneck of the reagent bottle for holding reagent, such setting is enabled to when pipetting chemical reagent, and first
The bottom of cover plate is filled in the bottleneck for the reagent bottle for holding reagent, and more preferable closure, such knot are formed to the bottleneck of reagent bottle
Structure can further prevent leaking for volatile chemical smell, and this structure can cause chemical dropper to be applied to
The reagent bottle of sizes bottleneck.
A circle baffle plate is provided with along the bottom margin of the first cover plate at the bottom margin of first cover plate, baffle plate can pipette
The bottleneck of reagent bottle during chemical reagent to holding chemical reagent covers, again can when being inverted chemical dropper,
The chemical reagent for preventing to attach on glass pipette drips from the edge of the first cover plate.
Scale is provided with glass pipette, experiment operator can be allowed more accurately to be pipetted to chemical reagent.
Anticorrosive coating is coated with the internal layer of Capsule, and the material of the first cover plate and the second cover plate is all glass or modeling
Material, these settings can reduce damage of the chemical dropper during severe corrosive chemical reagent is pipetted to a certain extent
Consumption, glass material correspond to pipetting for strong reagents, and plastic material then correspond to pipette strong base reagent.
Certainly, implement any product of the present utility model to it is not absolutely required to reach all the above advantage simultaneously.
(4) illustrate
The utility model is further described below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment 1；
Fig. 2 is the structural representation of the utility model embodiment 2；
Fig. 3 is Fig. 2 upward view；
Fig. 4 is the structural representation of the utility model embodiment 3；
Fig. 5 is Fig. 4 upward view.
In figure, 1, glass pipette, 2, Capsule, the 3, first cover plate, 4, scale, the 5, second cover plate, 6, expansion link, 7, baffle plate.
(5) embodiment
For prior art when carrying out the pipetting of chemical reagent, chemical reagent is easily spread across to the hand of operating personnel
On, and some chemical reagent are due to that with stronger volatility, can give out an unpleasant smell, influence the efficiency of experimenter
The defects of, the utility model provides a kind of chemical dropper, and the utility model is done further with reference to specific embodiment
Description.
Embodiment 1：
Referring to Fig. 1, the chemical dropper in the present embodiment includes：
Dropper body, dropper body include glass pipette 1 and Capsule 2, are arranged with the glass pipette 1 below Capsule 2
First cover plate 3, the first described cover plate 3 can be slided up and down on glass pipette 1；The size of the first described cover plate 3
Not less than the size of the bottleneck of the reagent bottle for holding reagent；Scale 4 is provided with described glass pipette 1；Described
The internal layer of Capsule 2 is coated with anticorrosive coating；The material of the first described cover plate 3 is glass.
The application method of the present embodiment is as follows：
When pipetting of chemical reagent is being carried out, the bottle cap for the reagent bottle for holding chemical reagent is being opened, Capsule 2 is clutched, by glass
Glass suction pipe 1 is insinuated into reagent bottle under the liquid level of chemical reagent, by the slide downward of the first cover plate 3 so that the bottom of the first cover plate 3
The bottleneck of portion and reagent bottle fits, and unclamps Capsule 2 and draws chemical reagent, chemical dropper is removed, is inverted, is read by scale 4
The volume for pipetting liquid is taken, chemical reagent of completion pipettes.During inversion, partly attach on glass pipette 1
Chemical reagent can drip downwards along glass pipette 1, be stopped by the first cover plate 3.
Embodiment 2：
Referring to Fig. 2 and Fig. 3, the chemical dropper in the present embodiment includes：
Dropper body, dropper body include glass pipette 1 and Capsule 2, are arranged with the glass pipette 1 below Capsule 2
First cover plate 3, the first described cover plate 3 can be slided up and down on glass pipette 1；The size of the first described cover plate 3
Not less than the size of the bottleneck of the reagent bottle for holding reagent；Glass pipette between the first described cover plate 3 and Capsule 2
One second cover plate 5 is arranged with 1, the second cover plate 5 is connected with glass pipette 1；The first described cover plate 3 passes through with the second cover plate 5
Some expansion links 6 are connected；Scale 4 is provided with described glass pipette 1；Anticorrosion is coated with the internal layer of described Capsule 2
Coating；The first described cover plate 3 and the material of the second cover plate 5 are all glass.
The application method of the present embodiment is as follows：
When pipetting of chemical reagent is being carried out, the bottle cap for the reagent bottle for holding chemical reagent is being opened, Capsule 2 is clutched, by glass
Glass suction pipe 1 is insinuated into reagent bottle under the liquid level of chemical reagent, and by the slide downward of the first cover plate 3, expansion link 6 extends so that
The bottom of first cover plate 3 and the bottleneck of reagent bottle fit, and unclamp Capsule 2 and draw chemical reagent, chemical dropper is removed, fall
Put, the volume for pipetting liquid is read by scale 4, chemical reagent of completion pipettes.During inversion, partly attach to
Chemical reagent on glass pipette 1 can drip downwards along glass pipette 1, be stopped by the first cover plate 3.
Embodiment 3：
Referring to Fig. 4 and Fig. 5, the chemical dropper in the present embodiment includes：
Dropper body, dropper body include glass pipette 1 and Capsule 2, are arranged with the glass pipette 1 below Capsule 2
First cover plate 3, the first described cover plate 3 can be slided up and down on glass pipette 1；The first described cover plate 3 is in back taper
Shape, the cross-sectional area of the bottom of the first cover plate 3 are less than the cross-sectional area at top；The cross section of the bottom of the first described cover plate 3
Product is less than the size of the bottleneck for the reagent bottle for being used to hold reagent, and the cross-sectional area at the top of the first cover plate 3, which is more than, to be used to hold
The size of the bottleneck of the reagent bottle of reagent；Set at the bottom margin of the first described cover plate 3 along the bottom margin of the first cover plate 3
There is a circle baffle plate 7；One second cover plate 5, the second lid are arranged with glass pipette 1 between the first described cover plate 3 and Capsule 2
Plate 5 is connected with glass pipette 1；The first described cover plate 3 is connected with the second cover plate 5 by some expansion links 6；In described glass
Suction pipe 1 is provided with scale 4；Anticorrosive coating is coated with the internal layer of described Capsule 2；The first described cover plate 3 and the second lid
The material of plate 5 is all plastics.
The application method of the present embodiment is as follows：
When pipetting of chemical reagent is being carried out, the bottle cap for the reagent bottle for holding chemical reagent is being opened, Capsule 2 is clutched, by glass
Glass suction pipe 1 is insinuated into reagent bottle under the liquid level of chemical reagent, and by the slide downward of the first cover plate 3, expansion link 6 extends so that
The bottom of first cover plate 3 is stretched in the bottleneck of reagent bottle, and the tapered side of the first cover plate 3 and the bottleneck of reagent bottle fit,
Unclamp Capsule 2 and draw chemical reagent, chemical dropper is removed, be inverted, the volume for pipetting liquid is read by scale 4, complete one
Secondary chemical reagent pipettes.During inversion, the chemical reagent partly attached on glass pipette 1 can be along glass pipette 1
Drippage downwards, is stopped, when the chemical reagent of outflow is more, chemical reagent can be located at the edge of the first cover plate 3 by the first cover plate 3
The baffle plate 7 at place stops.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its inventive concept is subject to equivalent substitution or change, should all cover the scope of protection of the utility model it
It is interior.Part is not described in detail for the utility model, is the known technology of those skilled in the art of the present technique.
Claims (7)
1. a kind of chemical dropper, including dropper body, dropper body includes glass pipette and Capsule, it is characterised in that in Capsule
The first cover plate is arranged with the glass pipette of lower section, the first described cover plate can be slided up and down on glass pipette；Institute
The size for the first cover plate stated is not less than the size of the bottleneck for the reagent bottle for being used to hold reagent.
2. chemical dropper according to claim 1, it is characterised in that the glass between the first described cover plate and Capsule
One second cover plate is arranged with suction pipe, the second cover plate is connected with glass pipette；If described the first cover plate and the second cover plate by
Dry expansion link is connected.
3. chemical dropper according to claim 1, it is characterised in that the first described cover plate is in back taper, the first cover plate
Bottom cross-sectional area be less than top cross-sectional area；The cross-sectional area of the bottom of the first described cover plate, which is less than, to be used to hold
The size of the bottleneck of the reagent bottle of reagent, the cross-sectional area at the top of the first cover plate are more than the bottle for the reagent bottle for being used to hold reagent
The size of mouth.
4. chemical dropper according to claim 1, it is characterised in that along at the bottom margin of the first described cover plate
The bottom margin of one cover plate is provided with a circle baffle plate.
5. chemical dropper according to claim 1, it is characterised in that scale is provided with described glass pipette.
6. chemical dropper according to claim 1, it is characterised in that applied in the internal layer of described Capsule coated with anticorrosion
Material.
7. the chemical dropper according to any one in claim 1-6, it is characterised in that the first described cover plate and second
The material of cover plate is all glass or plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720438709.9U CN206810312U (en) | 2017-04-24 | 2017-04-24 | A kind of chemical dropper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720438709.9U CN206810312U (en) | 2017-04-24 | 2017-04-24 | A kind of chemical dropper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206810312U true CN206810312U (en) | 2017-12-29 |
Family
ID=60754359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720438709.9U Expired - Fee Related CN206810312U (en) | 2017-04-24 | 2017-04-24 | A kind of chemical dropper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206810312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112090460A (en) * | 2020-10-22 | 2020-12-18 | 烟台工程职业技术学院(烟台市技师学院) | Sampling device for chemical engineering |
-
2017
- 2017-04-24 CN CN201720438709.9U patent/CN206810312U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112090460A (en) * | 2020-10-22 | 2020-12-18 | 烟台工程职业技术学院(烟台市技师学院) | Sampling device for chemical engineering |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171229 Termination date: 20180424 |