CN207894885U - A kind of acid base titration test bracket - Google Patents
A kind of acid base titration test bracket Download PDFInfo
- Publication number
- CN207894885U CN207894885U CN201820362976.7U CN201820362976U CN207894885U CN 207894885 U CN207894885 U CN 207894885U CN 201820362976 U CN201820362976 U CN 201820362976U CN 207894885 U CN207894885 U CN 207894885U
- Authority
- CN
- China
- Prior art keywords
- acid base
- test bracket
- base titration
- titration test
- strut
- 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.)
- Expired - Fee Related
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- Investigating Or Analysing Biological Materials (AREA)
Abstract
The utility model discloses a kind of acid base titration test bracket,Including the glass holder being set in outside titration measuring cup,The neonychium of corrugated bulge-structure is provided on the inner wall of glass holder,Branch cylinder is connected with below glass holder,It is connected with support plate below branch cylinder,There are four hinges for setting below support plate,Four hinges are uniformly distributed as rectangular configuration,Hinge is connected with the upper end of strut respectively,The lower end of strut is respectively arranged with universal wheel,Universal wheel is separately positioned in sliding slot,Sliding slot is separately positioned on the upper surface of bottom plate,The strut in left side is connected by left rotary shaft with the left end of interior bar respectively,The strut on right side is connected by right spindle with the right end of outer tube respectively,Interior bar is separately positioned in outer tube,It is connected separately with spring between the right side of interior bar and the right side of outer tube,It is respectively arranged with positioning screw hole on the side wall of outer tube,Positioning bolt is respectively arranged in positioning screw hole,It facilitates adjusting height,Improve absorbing shock performance.
Description
Technical field
The utility model is related to chemical teaching aid technical fields, and in particular to a kind of acid base titration test bracket.
Background technology
Currently, with the development of education sector, the requirement to chemistry teaching teaching aid is also higher and higher.
In existing process of general chemistry teaching, used acid base titration test bracket is mostly the structure of common frame,
Exist is inconvenient to adjust height, the poor problem of absorbing shock performance more.
Invention content
The purpose of this utility model is to provide a kind of acid base titration test bracket, in the presence of solving the prior art
Be inconvenient to adjust height, the poor problem of absorbing shock performance.
To achieve the above object, the utility model method provides a kind of acid base titration test bracket, the acid base titration examination
It includes the glass holder being set in outside titration measuring cup to test holder, and the neonychium of corrugated bulge-structure is provided on the inner wall of glass holder,
Neonychium is in contact with the outer wall of titration measuring cup respectively；It is connected with branch cylinder below glass holder, support plate is connected with below branch cylinder, props up
Setting is there are four hinge below plate, and four hinges are uniformly distributed as rectangular configuration, and hinge is connected with the upper end of strut respectively,
The lower end of strut is respectively arranged with universal wheel, and universal wheel is separately positioned in sliding slot, and sliding slot is separately positioned on the upper surface of bottom plate
On, the strut in left side is connected by left rotary shaft with the left end of interior bar respectively, and the strut on right side passes through right spindle and outer tube respectively
Right end be connected, interior bar is separately positioned in outer tube, and bullet is connected separately between the right side of interior bar and the right side of outer tube
Spring is respectively arranged with positioning screw hole on the side wall of outer tube, positioning bolt is respectively arranged in positioning screw hole.
In a kind of specific embodiment, the cross section of branch cylinder is circle.
In a kind of specific embodiment, the longitudinal section of branch cylinder is isosceles trapezoid.
In a kind of specific embodiment, sliding slot is set as transversary.
In a kind of specific embodiment, at least two fixing threaded holes, fixed spiral shell are respectively arranged on the side wall of sliding slot
Fixing bolt is respectively arranged in hole.
In a kind of specific embodiment, slip-resistant texture layer is provided on the outer wall of glass holder.
In a kind of specific embodiment, slip-resistant texture layer is set as reticulate structure.
In a kind of specific embodiment, the upper end of glass holder is set as being bent in an arc shape structure.
In a kind of specific embodiment, the protrusion direction for being bent in an arc shape structure of glass holder upper end is towards inside.
In a kind of specific embodiment, the inner surface of neonychium is set as arcwall face.
The utility model has the following advantages that：
The acid base titration test bracket of the utility model, can solve in the presence of the prior art be inconvenient to adjust height
Degree, the poor problem of absorbing shock performance facilitate adjusting height, improve absorbing shock performance.
Description of the drawings
Fig. 1 is the structural schematic diagram of the acid base titration test bracket of the utility model.
In figure, 1 is titration measuring cup, and 2 be glass holder, and 3 be neonychium, and 4 be branch cylinder, and 5 be support plate, and 6 be hinge, and 7 be strut, 8
For universal wheel, 9 be sliding slot, and 10 be bottom plate, and 11 be left rotary shaft, and 12 be interior bar, and 13 be outer tube, and 14 be right spindle, and 15 be spring, 16
For positioning bolt.
Specific implementation mode
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment
A kind of acid base titration test bracket, referring to Fig. 1, the acid base titration test bracket includes being set in titration measuring cup 1
External glass holder 2, is provided with the neonychium 3 of corrugated bulge-structure on the inner wall of glass holder 2, neonychium 3 respectively with titration measuring cup 1
Outer wall be in contact；It is connected with branch cylinder 4 below glass holder 2, support plate 5 is connected with below branch cylinder 4, is provided with below support plate 5
Four hinges 6, four hinges 6 are uniformly distributed as rectangular configuration, and hinge 6 is connected with the upper end of strut 7 respectively, under strut 7
End is respectively arranged with universal wheel 8, and universal wheel 8 is separately positioned in sliding slot 9, and sliding slot 9 is separately positioned on the upper surface of bottom plate 10,
The strut 7 in left side is connected by left rotary shaft 11 with the left end of interior bar 12 respectively, the strut 7 on right side respectively by right spindle 14 with
The right end of outer tube 13 is connected, and interior bar 12 is separately positioned in outer tube 13, the right side of interior bar 12 and the right side of outer tube 13 it
Between be connected separately with spring 15, positioning screw hole is respectively arranged on the side wall of outer tube 13, positioning is respectively arranged in positioning screw hole
Bolt 16.
The acid base titration test bracket of the present embodiment, glass holder 2 play a supporting role to titration measuring cup 1, and neonychium 3 is to titration
Measuring cup 1 plays a protective role, and branch cylinder 4 and support plate 5 are played a supporting role, by 6 rotary supporting rod 7 of hinge, can adjust support plate 5 with
The distance between bottom plate 10, to adjust the height of titration measuring cup 1, interior bar 12 is rotated by left rotary shaft 11, and outer tube 13 passes through the right side
Shaft 14 rotates, to coordinate the inclination movement of strut 7, the structure of interior bar 12, outer tube 13 and spring 15 that can coordinate inclining for strut 7
Tiltedly mobile, the height that cooperation adjusts titration measuring cup 1 can fix interior bar by the operation for holding out against interior bar 12 of positioning bolt 16
12 are located at the length in outer tube 13, and to the angle of inclination of fixed strut 7, to the height of fixed titration measuring cup 1, spring 15 rises
To the effect of buffering and connection.
In another specific embodiment, the cross section of branch cylinder 4 is circle.Facilitate processing in this way.
In another specific embodiment, the longitudinal section of branch cylinder 4 is isosceles trapezoid.It improves in this way and supports stability.
In another specific embodiment, sliding slot 9 is set as transversary.The inclination of strut 7 can be facilitated in this way
It is mobile.
In another specific embodiment, at least two fixing threaded holes are respectively arranged on the side wall of sliding slot 9, it is fixed
Fixing bolt is respectively arranged in screw hole.Universal wheel 8 can be held out against by fixing bolt in this way, to fix the inclination angle of strut 7
Degree, improves the secured performance of fixed structure.
In another specific embodiment, slip-resistant texture layer is provided on the outer wall of glass holder 2.It can improve so anti-
Slip energy.
In another specific embodiment, slip-resistant texture layer is set as reticulate structure.Facilitate processing in this way.
In another specific embodiment, the upper end of glass holder 2 is set as being bent in an arc shape structure.It can conveniently grab in this way
It holds, and plays buffer protection function.
In another specific embodiment, the protrusion direction for being bent in an arc shape structure of 2 upper end of glass holder is towards inside.This
Sample can improve glass holder 2 and titrate the tight type being bonded between measuring cup 1, improve protecting effect.
In another specific embodiment, the inner surface of neonychium 3 is set as arcwall face.Protection can be improved in this way
The buffer protection effect of pad 3.
In another specific embodiment, non-slip mat is provided on the bottom surface of bottom plate 10.Entirety can be improved in this way
Antiskid effect.
In another specific embodiment, equally distributed at least two damping is provided on the bottom surface of non-slip mat
Hole.The antiskid effect of non-slip mat can be improved in this way.
In another specific embodiment, the quantity of non-slip mat is at least three, and is uniformly distributed.It in this way can be equal
Play the role of evenly anti-skidding.
In another specific embodiment, reinforcing mat is connected between non-slip mat.10 bottom of bottom plate can be improved in this way
The intensity in portion is inside.
In another specific embodiment, air hole is provided on glass holder 2.Permeability can be improved in this way.
In another specific embodiment, air hole is set as incline structure.It can play the role of so anti-skidding.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (10)
1. a kind of acid base titration test bracket, the acid base titration test bracket includes being set in titration measuring cup（1）External cup
Set（2）, which is characterized in that glass holder（2）Inner wall on be provided with the neonychium of corrugated bulge-structure（3）, neonychium（3）Respectively
With titration measuring cup（1）Outer wall be in contact；Glass holder（2）Below be connected with branch cylinder（4）, branch cylinder（4）Below be connected with support plate
（5）, support plate（5）Below setting there are four hinge（6）, four hinges（6）It is uniformly distributed as rectangular configuration, hinge（6）Respectively
With strut（7）Upper end be connected, strut（7）Lower end be respectively arranged with universal wheel（8）, universal wheel（8）It is separately positioned on cunning
Slot（9）It is interior, sliding slot（9）It is separately positioned on bottom plate（10）Upper surface on, the strut in left side（7）Pass through left rotary shaft respectively（11）With
Interior bar（12）Left end be connected, the strut on right side（7）Pass through right spindle respectively（14）With outer tube（13）Right end be connected, it is interior
Bar（12）It is separately positioned on outer tube（13）It is interior, interior bar（12）Right side and outer tube（13）Right side between be connected separately with bullet
Spring（15）, outer tube（13）Side wall on be respectively arranged with positioning screw hole, be respectively arranged with positioning bolt in positioning screw hole（16）.
2. acid base titration test bracket as described in claim 1, which is characterized in that branch cylinder（4）Cross section be circle.
3. acid base titration test bracket as claimed in claim 2, which is characterized in that branch cylinder（4）Longitudinal section be isosceles trapezoid.
4. acid base titration test bracket as described in claim 1, which is characterized in that sliding slot（9）It is set as transversary.
5. acid base titration test bracket as described in claim 1, which is characterized in that sliding slot（9）Side wall on be respectively arranged with
At least two fixing threaded holes are respectively arranged with fixing bolt in fixing threaded hole.
6. acid base titration test bracket as described in claim 1, which is characterized in that glass holder（2）Outer wall on be provided with it is anti-skidding
Texture layer.
7. acid base titration test bracket as claimed in claim 6, which is characterized in that slip-resistant texture layer is set as reticulate structure.
8. acid base titration test bracket as described in claim 1, which is characterized in that glass holder（2）Upper end be set as curved bend
Folded structure.
9. acid base titration test bracket as claimed in claim 8, which is characterized in that glass holder（2）Upper end is bent in an arc shape structure
Protrusion direction towards inside.
10. acid base titration test bracket as described in claim 1, which is characterized in that neonychium（3）Inner surface be set as arc
Shape face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362976.7U CN207894885U (en) | 2018-03-17 | 2018-03-17 | A kind of acid base titration test bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362976.7U CN207894885U (en) | 2018-03-17 | 2018-03-17 | A kind of acid base titration test bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207894885U true CN207894885U (en) | 2018-09-21 |
Family
ID=63541418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820362976.7U Expired - Fee Related CN207894885U (en) | 2018-03-17 | 2018-03-17 | A kind of acid base titration test bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207894885U (en) |
-
2018
- 2018-03-17 CN CN201820362976.7U patent/CN207894885U/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 |
Granted publication date: 20180921 Termination date: 20190317 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |