CN208805500U - A kind of high school student's chemical test titration outfit - Google Patents
A kind of high school student's chemical test titration outfit Download PDFInfo
- Publication number
- CN208805500U CN208805500U CN201821104540.4U CN201821104540U CN208805500U CN 208805500 U CN208805500 U CN 208805500U CN 201821104540 U CN201821104540 U CN 201821104540U CN 208805500 U CN208805500 U CN 208805500U
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- CN
- China
- Prior art keywords
- threaded rod
- side wall
- slide bar
- fixedly connected
- fixed
- 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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Abstract
The utility model discloses a kind of high school student's chemical test titration outfits, including pedestal, the upper end of the pedestal is fixedly connected with mounting plate by fixed link, the upper end of the mounting plate is equipped with sample bottle, and the upside side wall of mounting plate is equipped with and the matched bottle slot of sample bottle, plug is inserted in the sample bottle, and plug is connected with dropper by connecting tube, the turn trough being vertically arranged is equipped in the fixed link, and the first threaded rod is rotatably connected in turn trough, matched nut is arranged on first threaded rod, the side wall of the nut is fixedly connected with connecting rod, the side side wall of the fixed link is equipped with the strip-shaped hole being connected to turn trough, and connecting rod is arranged through strip-shaped hole.The utility model is easy to operate, easy to use, and the dropper installing and dismounting of titration is simple and fast, convenient for carrying out cleaning replacement to it, improves work efficiency, and the position-adjustable of dropper increases the scope of application of device.
Description
Technical field
The utility model relates to chemical test technical field more particularly to a kind of high school student's chemical test titration outfits.
Background technique
Titration is the means that a kind of chemistry experiment operating is also a kind of quantitative analysis.It passes through the quantitative reaction of two kinds of solution
To determine the content of certain solute.Titrate most basic formula are as follows: wherein c is solution concentration, V to c1V1/ ν 1=c2V2/ ν 2
For liquor capacity, ν is the coefficient in reactional equation sequence.
In the experiment of high school student's chemistry titration, general titration outfit operation is more troublesome, and the buret peace of titration
Assembly and disassembly, which are unloaded, to be more troublesome, and is not easy to carry out cleaning replacement to it；For this purpose, it is proposed that a kind of high school student's chemical test titration dress
It sets to solve the above problems.
Utility model content
Purpose of the utility model is to solve existing in the prior art in the experiment of high school student's chemistry titration, generally
Titration outfit operation be more troublesome, and the buret installing and dismounting of titration is more troublesome, and is not easy to clean more it
The problems such as changing, and a kind of high school student's chemical test titration outfit proposed.
To achieve the goals above, the utility model adopts the technical scheme that
The upper end of a kind of high school student's chemical test titration outfit, including pedestal, the pedestal connects by the way that fixed link is fixed
It is connected to mounting plate, the upper end of the mounting plate is equipped with sample bottle, and the upside side wall of mounting plate is equipped with and the matched bottle of sample bottle
Slot is inserted with plug in the sample bottle, and plug is connected with dropper by connecting tube, is equipped with and is vertically arranged in the fixed link
Turn trough, and be rotatably connected to the first threaded rod in turn trough, matched nut be arranged on first threaded rod, it is described
The side wall of nut is fixedly connected with connecting rod, and the side side wall of the fixed link is equipped with the strip-shaped hole being connected to turn trough, and connects
Bar is arranged through strip-shaped hole, and the connecting rod is fixedly connected with fixed plate far from one end of nut, and the fixed plate passes through flexible
Device is connected with the clamping device being equipped with dropper.
Preferably, the telescopic device includes slide bar, and the sliding slot that opening is directed away from connecting rod is equipped in the fixed plate,
And slide bar is located in sliding slot and is slidably connected with sliding slot, the slide bar is fixedly connected far from one end of fixed plate with clamping device,
The fixation device being equipped with slide bar is equipped in the fixed plate.
Preferably, the clamping device includes the first curved splint and the second curved splint, and the first curved splint and the
Two curved splints are symmetrical arranged, and first curved splint is fixedly connected with slide bar, first curved splint and the second arc
The side wall of clamping plate has been respectively fixedly connected with the first fixed block and the second fixed block, and the side wall of first fixed block is rotatably connected to
Second threaded rod, and the second threaded rod is threadedly coupled through the second fixed block and with the second fixed block.
Preferably, the fixed device includes third threaded rod, the third threaded rod through slide bar and with slide bar screw thread
Connection, the upside side wall of the fixed plate is equipped with the strip gab being connected to sliding slot, and third threaded rod is set through strip gab
It sets, the downside inner wall of the sliding slot is equipped with the multiple and matched card slot of third threaded rod.
Preferably, the lower end of the pedestal is fixedly connected with feet, and feet is equipped with anti-skid chequer.
Preferably, first curved splint and the opposite side side wall of the second curved splint are enclosed with rubber antiskid
Pad.
The technical solution that the embodiments of the present invention provide can include the following benefits:
1, the utility model is easy to operate, easy to use, and the dropper installing and dismounting of titration is simple and fast, convenient for its into
Row cleaning replacement, improves work efficiency, and the position-adjustable of dropper increases the scope of application of device.
2, by setting feet and anti-skid chequer, the skin-friction force of pedestal is increased, keeps its difficult to slide, improves device
Stability, wrap up rubber antiskid pad by the way that the first curved splint and the opposite side side wall of the second curved splint is arranged in,
When clamping to dropper, being arranged in for rubber antiskid pad increases the firm grip of dropper, it is made to be not easy to loosen.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of high school student's chemical test titration outfit structural schematic diagram；
Fig. 2 be the utility model proposes a kind of high school student's chemical test titration outfit in clamping device plan structure
Schematic diagram；
Fig. 3 is the structural schematic diagram in Fig. 1 at A.
In figure: 1 pedestal, 2 fixed links, 3 mounting plates, 4 sample bottles, 5 plugs, 6 connecting tubes, 7 droppers, 8 turn troughs, 9 first spiral shells
Rasp bar, 10 nuts, 11 connecting rods, 12 fixed plates, 13 sliding slots, 14 slide bars, 15 first curved splints, 16 second curved splints, 17
First fixed block, 18 second fixed blocks, 19 second threaded rods, 20 third threaded rods, 21 strip gabs, 22 card slots, 23 feets.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of high school student's chemical test titration outfit, including pedestal 1, the lower end of pedestal 1 are fixedly connected
There is feet, and feet is equipped with anti-skid chequer, increases the skin-friction force of pedestal 1, keeps its difficult to slide, improves the steady of device
Qualitative, the upper end of pedestal 1 is fixedly connected with mounting plate 3 by fixed link 2, and the upper end of mounting plate 3 is equipped with sample bottle 4, and installs
The upside side wall of plate 3 is equipped with 4 matched bottles of slots of sample bottle, and plug 5 is inserted in sample bottle 4, and plug 5 passes through connecting tube 6
It is connected with dropper 7, liquid is flow in dropper 7 by plug 5 and connecting tube 6 in assay flask 4, carries out titration experiments by dropper 7；
It is equipped with the turn trough 8 being vertically arranged in fixed link 2, and is rotatably connected to the first threaded rod 9, the first screw thread in turn trough 8
Matched nut 10 is arranged on bar 9, the side wall of nut 10 is fixedly connected with connecting rod 11, the side side wall of fixed link 2
Equipped with the strip-shaped hole being connected to turn trough 8, and connecting rod 11 is arranged through strip-shaped hole, and connecting rod 11 is fixed far from one end of nut 10
It is connected with fixed plate 12, fixed plate 12 is connected with the clamping device being equipped with dropper 7 by telescopic device；
Telescopic device includes slide bar 14, and the sliding slot 13 that opening is directed away from connecting rod 11, and slide bar are equipped in fixed plate 12
14 are located in sliding slot 13 and are slidably connected with sliding slot 13, and slide bar 14 is fixedly connected far from one end of fixed plate 12 with clamping device,
The fixation device that is equipped with slide bar 14 is equipped in fixed plate 12, as needed to the position of gripping apparatus grips dropper 7 into
Row adjustment, slides slide bar 14, and slide bar 14 slides in sliding slot 13, and slide bar 14 is fixed by fixed device；
Clamping device includes the first curved splint 15 and the second curved splint 16, and the first curved splint 15 and the second arc
Clamping plate 16 is symmetrical arranged, and the first curved splint 15 is fixedly connected with slide bar 14, the first curved splint 15 and the second curved splint 16
Side wall be respectively fixedly connected with the first fixed block 17 and the second fixed block 18, the side wall of the first fixed block 17 is rotatably connected to
Two threaded rods 19, and the second threaded rod 19 is threadedly coupled through the second fixed block 18 and with the second fixed block 18, and dropper 7 is placed on
Between first curved splint 15 and the second curved splint 16, the second threaded rod 19 is rotated, drives the second fixed block 18 close to first
Fixed block 17 grips dropper 7 to make the second curved splint 16 close to the first curved splint 15, the first arc
Clamping plate 15 and the opposite side side wall of the second curved splint 16 are enclosed with rubber antiskid pad, when being clamped to dropper 7, rubber
Being arranged in for glue non-slip mat increases the firm grip of dropper 7, it is made to be not easy to loosen；
Fixed device includes third threaded rod 20, and third threaded rod 20 is threadedly coupled through slide bar 14 and with slide bar 14, Gu
The upside side wall of fixed board 12 is equipped with the strip gab 21 being connected to sliding slot 13, and third threaded rod 20 is set through strip gab 21
It sets, the downside inner wall of sliding slot 13 is equipped with the multiple and matched card slot 22 of third threaded rod 20, and reversion rotation third threaded rod 20 makes
One end is detached from card slot 22, i.e. slidably slide bar 14, is adjusted to the position of dropper 7, is needing that slide bar 14 is fixed
When, third threaded rod 20 is rotated forward, is made in one end precession card slot 22, slide bar 14 can be fixed.
When the utility model is used, sample bottle 4 is placed in bottle slot, plug 5 is injected in sample bottle 4, assay flask 4
Middle liquid is flow in dropper 7 by plug 5 and connecting tube 6, is carried out titration experiments by dropper 7, is being needed the position to dropper 7
When being adjusted, rotate the first threaded rod 9, drive nut 10 moved in turn trough 8, thus make connecting rod 11 drive dropper 7 into
The position of dropper 7 is adjusted in the movement of row vertical direction, rotates backward third threaded rod 20, and one end is made to be detached from card slot
22, i.e. slidably slide bar 14, are adjusted the position of dropper 7, when needing that slide bar 14 is fixed, rotate forward third
Threaded rod 20 makes in one end precession card slot 22, can fix slide bar 14, is needing to carry out dropper 7 to clean replacement
When, the second threaded rod 19 is inverted, drives the second fixed block 18 far from the first fixed block 17, makes the second curved splint 16 far from first
Curved splint 15, can remove dropper 7, carry out cleaning replacement to it, and when installing dropper 7, dropper 7 is placed on the first arc
Between clamping plate 15 and the second curved splint 16, the second threaded rod 19 is rotated, drives the second fixed block 18 close to the first fixed block 17,
To make the second curved splint 16 close to the first curved splint 15, dropper 7 is gripped.
The present apparatus is easy to operate, easy to use, and 7 installing and dismounting of dropper of titration is simple and fast, convenient for carrying out clearly to it
Replacement is washed, is improved work efficiency, the position-adjustable of dropper 7 increases the scope of application of device, by the way that 23 He of feet is arranged
Anti-skid chequer increases the skin-friction force of pedestal 1, keeps its difficult to slide, improves the stability of device, by being arranged first
Curved splint 15 and the opposite side side wall of the second curved splint 16 wrap up rubber antiskid pad, when being clamped to dropper 7,
Being arranged in for rubber antiskid pad increases the firm grip of dropper 7, it is made to be not easy to loosen.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of high school student's chemical test titration outfit, including pedestal (1), which is characterized in that the upper end of the pedestal (1) is logical
Fixed link (2) to be crossed to be fixedly connected with mounting plate (3), the upper end of the mounting plate (3) is equipped with sample bottle (4), and mounting plate (3)
Upside side wall is equipped with the matched bottle slot of sample bottle (4), is inserted with plug (5) in the sample bottle (4), and plug (5) passes through
Connecting tube (6) is connected with dropper (7), the turn trough (8) being vertically arranged is equipped in the fixed link (2), and rotation connects in turn trough (8)
It is connected to the first threaded rod (9), is arranged with matched nut (10) on first threaded rod (9), the nut (10)
Side wall is fixedly connected with connecting rod (11), and the side side wall of the fixed link (2) is equipped with the strip-shaped hole being connected to turn trough (8), and
Connecting rod (11) is arranged through strip-shaped hole, and the connecting rod (11) is fixedly connected with fixed plate far from the one end of nut (10)
(12), the fixed plate (12) is connected with the clamping device being equipped with dropper (7) by telescopic device.
2. a kind of high school student's chemical test titration outfit according to claim 1, which is characterized in that the telescopic device
The sliding slot (13) that opening is directed away from connecting rod (11), and slide bar (14) are equipped with including slide bar (14), in the fixed plate (12)
It is slidably connected in sliding slot (13) and with sliding slot (13), the slide bar (14) one end and clamping device far from fixed plate (12)
It is fixedly connected, the fixation device being equipped with slide bar (14) is equipped in the fixed plate (12).
3. a kind of high school student's chemical test titration outfit according to claim 2, which is characterized in that the clamping device
Including the first curved splint (15) and the second curved splint (16), and the first curved splint (15) and the second curved splint (16) are right
Claim setting, first curved splint (15) is fixedly connected with slide bar (14), first curved splint (15) and the second arc
The side wall of clamping plate (16) has been respectively fixedly connected with the first fixed block (17) and the second fixed block (18), first fixed block (17)
Side wall be rotatably connected to the second threaded rod (19), and the second threaded rod (19) through the second fixed block (18) and with it is second fixed
Block (18) is threadedly coupled.
4. a kind of high school student's chemical test titration outfit according to claim 2, which is characterized in that the fixed device
Including third threaded rod (20), the third threaded rod (20) is threadedly coupled through slide bar (14) and with slide bar (14), described solid
The upside side wall of fixed board (12) is equipped with the strip gab (21) being connected to sliding slot (13), and third threaded rod (20) is opened through bar shaped
The downside inner wall of mouth (21) setting, the sliding slot (13) is equipped with multiple and third threaded rod (20) matched card slot (22).
5. a kind of high school student's chemical test titration outfit according to claim 1, which is characterized in that the pedestal (1)
Lower end be fixedly connected with feet, and feet is equipped with anti-skid chequer.
6. a kind of high school student's chemical test titration outfit according to claim 3, which is characterized in that first arc
Clamping plate (15) and the opposite side side wall of the second curved splint (16) are enclosed with rubber antiskid pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821104540.4U CN208805500U (en) | 2018-07-12 | 2018-07-12 | A kind of high school student's chemical test titration outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821104540.4U CN208805500U (en) | 2018-07-12 | 2018-07-12 | A kind of high school student's chemical test titration outfit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208805500U true CN208805500U (en) | 2019-04-30 |
Family
ID=66228655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821104540.4U Expired - Fee Related CN208805500U (en) | 2018-07-12 | 2018-07-12 | A kind of high school student's chemical test titration outfit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208805500U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113916461A (en) * | 2021-10-12 | 2022-01-11 | 深圳华尔升智控技术有限公司 | Helium mass spectrometer leak detector capable of realizing high-voltage detection |
-
2018
- 2018-07-12 CN CN201821104540.4U patent/CN208805500U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113916461A (en) * | 2021-10-12 | 2022-01-11 | 深圳华尔升智控技术有限公司 | Helium mass spectrometer leak detector capable of realizing high-voltage detection |
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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: 20190430 Termination date: 20200712 |