CN206638593U - A kind of senior chemistry determines device with pH value - Google Patents
A kind of senior chemistry determines device with pH value Download PDFInfo
- Publication number
- CN206638593U CN206638593U CN201720315308.4U CN201720315308U CN206638593U CN 206638593 U CN206638593 U CN 206638593U CN 201720315308 U CN201720315308 U CN 201720315308U CN 206638593 U CN206638593 U CN 206638593U
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- CN
- China
- Prior art keywords
- test paper
- standing groove
- paper standing
- value
- base
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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.)
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
Device is determined with pH value the utility model discloses a kind of senior chemistry, including：Base, pole, transverse slat and conical hopper, the base is provided with several test paper standing grooves, bottom in the test paper standing groove is equipped with foam-rubber cushion, the both sides of the test paper standing groove are equipped with chute, the chute slidably connects fixed block, the lower section of the test paper standing groove of the base upper surface is provided with standard color comparison card, the both sides of the base upper surface have been fixedly connected with pole, it is fixedly connected between the upper end of the pole by transverse slat, the transverse slat is provided with several manholes, the quantity of the manhole is identical with the quantity of test paper standing groove, the manhole is located at the surface of test paper standing groove and one-to-one corresponding, the conical hopper is positioned on manhole, the liquid outlet of the conical hopper is located at the surface of test paper standing groove.Test paper is placed stable in the utility model, will not be polluted experimental bench, can be contrasted the pH value of a variety of testing liquids.
Description
Technical field
Chemical test Instrument technology field is the utility model is related to, more particularly to a kind of senior chemistry is determined with pH value and filled
Put.
Background technology
At present, it is not especially high in the measurement accuracy requirement to pH value in chemical field particularly Chemistry Teaching of Senior High School
In the case of, commonly using pH test paper.By in the liquid that will determine contamination to pH test paper, according to the change of test paper color with
The color of standard color comparison card compares, it is possible to judges to be determined the pH value of liquid.But such case is often people certainly
Own hand takes pH test paper, and pH test paper is put into testing liquid, or by utensils such as suction pipe, glass bars, by testing liquid
Drip on test paper, compare the pH value that color reads liquid, when testing liquid is that have corrosive liquid, this assay method
With certain danger.Chinese patent application Authorization Notice No.：CN201522434U, " pH value detection means " is disclosed, its
Test paper only is clamped with clip, is not sufficiently stable, testing liquid easily drips pollution test stand, it is impossible to contrasts a variety of testing liquids
PH value.
The content of the invention
The utility model is intended to one of technical problem at least solving in correlation technique to a certain extent.Therefore, this reality
It is to propose a kind of senior chemistry pH value measure device with a new purpose, test paper places stabilization, will not pollute experiment
Platform, the pH value of a variety of testing liquids can be contrasted.
Device is determined with pH value according to a kind of senior chemistry of the utility model embodiment, including：Base, pole, transverse slat
And conical hopper, the base are provided with several test paper standing grooves, the bottom in the test paper standing groove is equipped with foam-rubber cushion,
The both sides of the test paper standing groove are equipped with chute, and the chute slidably connects fixed block, the examination of the base upper surface
The lower section of paper standing groove is provided with standard color comparison card, and the both sides of the base upper surface have been fixedly connected with pole, the pole
It is fixedly connected between upper end by transverse slat, the transverse slat is provided with several manholes, the quantity of the manhole and examination
The quantity of paper standing groove is identical, and the manhole is located at the surface of test paper standing groove and one-to-one corresponding, the conical hopper
It is positioned on manhole, the liquid outlet of the conical hopper is located at the surface of test paper standing groove.
Further, the quantity of the test paper standing groove is identical with the quantity of conical hopper and corresponds.
Further, the quantity of the test paper standing groove, manhole and conical hopper is 3.
Further, the base is made of corrosion-resistant stainless steel.
Further, by being welded and fixed between the pole and base and pole and transverse slat.
In the utility model, test paper can be placed on the top of foam-rubber cushion in test paper standing groove, and then the both ends of test paper lead to
Crossing fixed block and pushing down makes its smooth, can be finally added to testing liquid in conical hopper finally by dropper or glass bar
It is added drop-wise on test paper, foam-rubber cushion can absorb the testing liquid of spilling and can clean or change, and whole process avoids hand
Contact measured liquid is removed, security is higher, can carry out multiple contrast experiments, and base is made of corrosion-resistant stainless steel, uses
Long lifespan, can also place filter paper on conical hopper, and whether detection filtering has an impact to the pH value of liquid, simple in construction, makes
With conveniently.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 be the utility model proposes a kind of senior chemistry pH value determine device structural representation.
In figure：1 base, 2 foam-rubber cushions, 3 chutes, 4 fixed blocks, 5 poles, 6 transverse slats, 7 manholes, 8 conical hoppers, 9 marks
Quasi- colorimetric card.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
The example of the embodiment is shown in the drawings, wherein same or similar label represents identical or class from beginning to end
As element or with same or like function element.The embodiments described below with reference to the accompanying drawings are exemplary, purport
For explaining the utility model, and it is not intended that to limitation of the present utility model.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
Reference picture 1, a kind of senior chemistry determine device with pH value, including：Base 1, pole 5, transverse slat 6 and conical hopper 8,
Base 1 is provided with several test paper standing grooves, and the bottom in test paper standing groove is equipped with foam-rubber cushion 2, the both sides of test paper standing groove
Chute 3 is equipped with, chute 3 slidably connects fixed block 4, and the lower section of the test paper standing groove of the upper surface of base 1 is provided with standard ratio
Colour atla 9, the both sides of the upper surface of base 1 have been fixedly connected with pole 5, have been fixedly connected between the upper end of pole 5 by transverse slat 6, horizontal
Plate 6 is provided with several manholes 7, and the quantity of manhole 7 is identical with the quantity of test paper standing groove, and manhole 7 is located at
The surface of test paper standing groove and one-to-one corresponding, conical hopper 8 are positioned on manhole 7, and the liquid outlet of conical hopper 8 is located at
The surface of test paper standing groove.
The quantity of test paper standing groove is identical with the quantity of conical hopper 8 and corresponds, test paper standing groove, manhole 7
Quantity with conical hopper 8 is 3, and base 1 is made of corrosion-resistant stainless steel, pole 5 and base 1 and pole 5 and horizontal stroke
By being welded and fixed between plate 6, standard color comparison card 9 is pasted onto on base 1.
In use, test paper to be placed on to the top of foam-rubber cushion 2 in test paper standing groove, then fixed block 4 is inserted accordingly
Pushing down the both ends of test paper in chute 3 makes its smooth, finally testing liquid can be added into cone by dropper or glass bar
Finally it is added drop-wise in shape funnel 8 on test paper, then test paper and standard color comparison card contrast can obtain to the pH value of testing liquid, sea
Continuous pad 2 can absorb the testing liquid of spilling and can clean or change, and whole process avoids hand and removes contact measured liquid,
Security is higher, and multiple test paper standing grooves can carry out multiple contrast experiments, and base 1 is made of corrosion-resistant stainless steel, is used
Long lifespan, can also place filter paper on conical hopper 8, and whether detection filtering has an impact to the pH value of testing liquid.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.
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 utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (5)
1. a kind of senior chemistry determines device with pH value, it is characterised in that including：Base, pole, transverse slat and conical hopper, institute
State base and be provided with several test paper standing grooves, the bottom in the test paper standing groove is equipped with foam-rubber cushion, and the test paper is placed
The both sides of groove are equipped with chute, and the chute slidably connects fixed block, under the test paper standing groove of the base upper surface
Side is provided with standard color comparison card, and the both sides of the base upper surface have been fixedly connected with pole, passed through between the upper end of the pole
Transverse slat is fixedly connected, and the transverse slat is provided with several manholes, the quantity of the manhole and the number of test paper standing groove
Measure identical, the manhole is located at the surface of test paper standing groove and one-to-one corresponding, and the conical hopper is positioned over circular logical
Kong Shang, the liquid outlet of the conical hopper are located at the surface of test paper standing groove.
2. senior chemistry according to claim 1 determines device with pH value, it is characterised in that：The number of the test paper standing groove
Amount is identical with the quantity of conical hopper and corresponds.
3. senior chemistry according to claim 1 determines device with pH value, it is characterised in that：The test paper standing groove, circle
The quantity of shape through hole and conical hopper is 3.
4. senior chemistry according to claim 1 determines device with pH value, it is characterised in that：The base is using corrosion-resistant
Stainless steel is made.
5. senior chemistry according to claim 1 determines device with pH value, it is characterised in that：The pole and base and
By being welded and fixed between pole and transverse slat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720315308.4U CN206638593U (en) | 2017-03-29 | 2017-03-29 | A kind of senior chemistry determines device with pH value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720315308.4U CN206638593U (en) | 2017-03-29 | 2017-03-29 | A kind of senior chemistry determines device with pH value |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206638593U true CN206638593U (en) | 2017-11-14 |
Family
ID=60258754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720315308.4U Expired - Fee Related CN206638593U (en) | 2017-03-29 | 2017-03-29 | A kind of senior chemistry determines device with pH value |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206638593U (en) |
-
2017
- 2017-03-29 CN CN201720315308.4U patent/CN206638593U/en not_active Expired - Fee Related
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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: 20171114 Termination date: 20180329 |