CN206424973U - A kind of Novel push-type buret - Google Patents
A kind of Novel push-type buret Download PDFInfo
- Publication number
- CN206424973U CN206424973U CN201621431356.1U CN201621431356U CN206424973U CN 206424973 U CN206424973 U CN 206424973U CN 201621431356 U CN201621431356 U CN 201621431356U CN 206424973 U CN206424973 U CN 206424973U
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- China
- Prior art keywords
- cross sliding
- sliding clock
- adjusting plug
- hole
- pressing
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Abstract
The utility model discloses a kind of Novel push-type buret used during analytical chemistry field capacity analysis, to solve the problem of existing buret operation is inconvenient, adaptability is inadequate.It includes being connected to the buret main body and water dropper above and below pressing adjusting plug, press adjusting plug center and be provided with vertical through hole, cross sliding clock is provided with pressing adjusting plug, cross sliding clock or so two is equipped with sliding space, button of the cross sliding clock right-hand member by connecting rod with pressing regulation beyond the Great Wall is connected, cross sliding clock left end is connected by spring with pressing adjusting plug left end inwall, the wedge-shaped through hole that cross section gradually increases from left to right is provided with cross sliding clock, wedge-shaped through hole extends vertically through cross sliding clock, by the overlapping area for adjusting the wedge-shaped through hole of cross sliding clock right position regulation and pressing adjusting plug center vertical through hole, so as to adjust the lower drop speed of titrating solution.The utility model can as needed press and discharge various sizes of drop, improve the accuracy of titration.
Description
Technical field
The utility model is related to a kind of Novel push-type buret used during analytical chemistry field capacity analysis.
Background technology
Capacity analysis is the important component of chemical analysis, and buret is the main device in capacity analysis, application
It is quite varied.The buret being widely used at present, its is simple in construction, easy to maintenance, cheap, is a very classical
Design, has had also been employed that for a long time.But there is also some problems during use：Rotary piston is such as used, it is right
Get up and inconvenient in new hand's control, particularly want to discharge less drop relatively difficult；Hand is needed during operation ceaselessly
Rotary-piston, long-time operation, hand is also easy to produce fatigue；Every buret is only applicable to a titration volumes scope, it is impossible to same
When meet macro-analysis and micro-analysis, if it is desired to carry out the analysis of different content scope, it is necessary to change buret or preparation
The titrating solution of various concentrations, improves analysis cost.
Utility model content
The purpose of this utility model is to overcome prior art defect that there is provided a kind of Novel push-type buret.
What the technical solution of the utility model was realized in：A kind of Novel push-type buret, includes the titration of tubulose
There is the water dropper of dropping liquid passage at pipe main body and center, and it is, in addition to pressing adjusting plug, and pressing adjusting plug center is provided with vertical logical
Hole, vertical through hole extends to form boss in pressing adjusting plug upper and lower surface, and buret main body lower end passes through outside screw thread and convex platform
Circumference is connected, and water dropper upper end is connected with the sealing rubber ring set in lower convex platform jack so that vertical through hole turns into titrating solution from drop
Fixed tube main body is to the flow channel of water dropper, and provided with cross sliding clock in pressing adjusting plug, cross sliding clock or so two is equipped with cunning
Dynamic space, button of the cross sliding clock right-hand member by connecting rod with pressing regulation beyond the Great Wall is connected, and cross sliding clock left end is by spring with pressing
Pressure adjusting plug left end inwall is connected, and the wedge-shaped through hole that cross section gradually increases from left to right, wedge are provided with cross sliding clock
Shape through hole extends vertically through cross sliding clock, is hung down by adjusting the wedge-shaped through hole of cross sliding clock right position regulation with pressing adjusting plug center
The overlapping area of clear opening, so as to adjust the lower drop speed of titrating solution.
It is preferred that, pressing adjusting plug left end is equipped with knob, and cross sliding clock left end is connected by spring with knob, works as water
Smooth block is slided to the left reaches the limit of position when propping up knob.
It is preferred that, margin stop is fixed with connecting rod.
It is preferred that, pressing adjusting plug right-hand member is equipped with lid, and cross sliding clock right-hand member connecting rod is through lid with pressing regulation beyond the Great Wall
Button be connected.
The utility model can discharge various sizes of drop as needed, improve the accuracy of titration, and lead to
Cross the buret main body and water dropper for changing different inner diameters, it is convenient to realize constant titration and microtitration.Due to using combination
Formula is designed, simple in construction, handling ease, using flexible, and easy care, cost is low, and laboratory's requirement can be met very well.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is pressing adjusting plug structural representation.
Fig. 3 is sliding block left view.
Fig. 4 is sliding block top view.
In figure, 1-pressing adjusting plug；2-cross sliding clock；3-lid；4-button；5-sealing rubber ring；6-spring；
7-connecting rod；8-knob；9-vertical through hole；10-convex platform；11- lower convex platforms；12-wedge shape through hole；13-annular groove；14―
Margin stop；15-buret main body；16-water dropper.
Embodiment
It is further described below in conjunction with the accompanying drawings：
As Figure 1-Figure 4, a kind of Novel push-type buret, includes the buret main body 15 and water dropper 16 of tubulose, drop
Fixed tube main body 15 is similar with common buret, is glass material, upper end is horn mouth, in order to topple over titrating solution into pipe, under
There is internal thread at end；Water dropper 16 is bullet shaped, and center is provided with vertical dropping liquid passage；Also include pressing adjusting plug 1, press adjusting plug
1 is a cylinder kept flat, is made of polytetrafluoroethylplastic plastic, can be with acid-alkali-corrosive-resisting, and plays the role of self-lubricating, is easy to close
Envelope；Press the center of adjusting plug 1 and be provided with vertical through hole 9, vertical through hole 9 extends to form boss, dripped in the pressing upper and lower surface of adjusting plug 1
The lower end of fixed tube main body 15 is connected by screw thread with the excircle of convex platform 10, and circular socket holes, and Socket walls are provided with lower convex platform 11
On have sealing rubber ring 5, the upper end of water dropper 16 is connected with the sealing rubber ring 5 set in the circular socket holes of lower convex platform 11 so that vertical logical
Hole 9 turns into titrating solution from buret main body 15 to the flow channel of water dropper 16；The level provided with flat is slided in pressing adjusting plug 1
Block 2, two of cross sliding clock 2 or so is equipped with sliding space, and the right-hand member of cross sliding clock 2 passes through connecting rod 7 and pressing outside pressing adjusting plug 1
Button 4 is connected, and margin stop 14 is fixed with connecting rod 7, prevents cross sliding clock 2 from deviating to the right, and pressing adjusting plug 1 right-hand member is equipped with lid
3, connecting rod 7 is connected through lid 3 with the button 4 outside pressing adjusting plug 1, and lid 3 is movable, is easy to cleaning treatment；Level is slided
The left end of block 2, which is provided with annular groove 13, to be used to fix spring 6, is connected by spring 6 with the pressing left end knob 8 of adjusting plug 1, is worked as water
Smooth block 2 slides reach the limit of position when propping up knob 8 to the left, by rotate adjustment knob 8 to pressing adjusting plug 1 in put in away from
From the extreme position of adjustable water smooth block 2 to the left；The wedge shape that cross section gradually increases from left to right is provided with cross sliding clock 2
Through hole 12, wedge-shaped through hole 12 extends vertically through cross sliding clock 2, and wedge-shaped through hole is adjusted by pressing adjustment cross sliding clock 2 right position
12 overlapping area with pressing the center vertical through hole 9 of adjusting plug 1, so as to adjust the lower drop speed of titrating solution.
The buret main body 15 of suitable inner diameter is selected when using as needed, by the lower end internal thread of buret main body 15 with
Press the external screw thread connection of 1 convex platform of adjusting plug 10；Select in the water dropper 16 of suitable inner diameter, the insertion pressing lower convex platform 11 of adjusting plug 1
Sealing rubber ring 5, makes it closely connect by sealing rubber ring 5, then adds titrating solution by the upper end horn mouth of buret main body 15.
, can be with the moving range of controlled level sliding block 2, so as to set wedge-shaped through hole by rotating the pressure left side knob 8 of adjusting plug 1 before titration
The excursion in 12 apertures, and then control the excursion of liquid droping speed., can be with controlled level by button press 4 during titration
The position of sliding block 2, so that the wedge-shaped through hole 12 on cross sliding clock 2 is connected with the pressing center vertical through hole 9 of adjusting plug 1, makes drop
Determine liquid to pass through, while the stream of titrating solution can be controlled by controlling wedge-shaped through hole 12 pore size overlapping with vertical through hole 9
Speed.Because wedge-shaped through hole 12 is relatively fine, thus it can easily discharge less drop, it is easy to accomplish accurate titration.When
During release button 4, the resilience of cross sliding clock 2 in the presence of spring 6 makes wedge-shaped through hole 12 be separated with vertical through hole 9, under titrating solution
The passage fallen is blocked, and titration stops.
The pressing adjusting plug 1 of the buret is operated by the pressing of operator, and drop is controlled by the depth of pressing
Size, pressing operation can be saved compared with intrinsic rotation process operating personnel muscle power, make titration work lighter.
Buret uses modular design simultaneously, is coordinated by the buret main body 15 and water dropper 16 that press adjusting plug 1 and different inner diameters,
The need for different volumes titration can be met.Each several part is also caused to make respectively using modular design, its difficulty of processing is significantly
Reduction, can improve the precision of making, and reduce production cost.
Claims (5)
1. there is the water dropper of dropping liquid passage at a kind of Novel push-type buret, including the buret main body of tubulose and center, its feature
It is：Also include pressing adjusting plug, pressing adjusting plug center is provided with vertical through hole, and vertical through hole is in pressing adjusting plug upper and lower surface
Extension forms boss, and buret main body lower end is connected by screw thread with convex platform excircle, in water dropper upper end and lower convex platform jack
If sealing rubber ring connection so that vertical through hole turn into flow channel of the titrating solution from buret main body to water dropper, pressing
Provided with cross sliding clock in adjusting plug, cross sliding clock or so two is equipped with sliding space, and cross sliding clock right-hand member is by connecting rod with pressing
The button of pressure regulation beyond the Great Wall is connected, and cross sliding clock left end is connected by spring with pressing adjusting plug left end inwall, in level
The wedge-shaped through hole that cross section gradually increases from left to right is provided with sliding block, wedge-shaped through hole extends vertically through cross sliding clock, passes through adjustment
The overlapping area of the wedge-shaped through hole of cross sliding clock right position regulation and pressing adjusting plug center vertical through hole, so as to adjust titrating solution
Lower drop speed.
2. a kind of Novel push-type buret according to claim 1, it is characterised in that：Adjusting plug left end is pressed equipped with rotation
Button, cross sliding clock left end is connected by spring with knob, is reached the limit of when cross sliding clock is slided to the left props up knob
Position.
3. a kind of Novel push-type buret according to claim 1 or 2, it is characterised in that：The limit is fixed with connecting rod
Block.
4. a kind of Novel push-type buret according to claim 1 or 2, it is characterised in that：Press adjusting plug right-hand member peace
There is lid, cross sliding clock right-hand member connecting rod is connected through button of the lid with pressing regulation beyond the Great Wall.
5. a kind of Novel push-type buret according to claim 3, it is characterised in that：Adjusting plug right-hand member is pressed equipped with lid
Son, cross sliding clock right-hand member connecting rod is connected through button of the lid with pressing regulation beyond the Great Wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621431356.1U CN206424973U (en) | 2016-12-23 | 2016-12-23 | A kind of Novel push-type buret |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621431356.1U CN206424973U (en) | 2016-12-23 | 2016-12-23 | A kind of Novel push-type buret |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206424973U true CN206424973U (en) | 2017-08-22 |
Family
ID=59586863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621431356.1U Active CN206424973U (en) | 2016-12-23 | 2016-12-23 | A kind of Novel push-type buret |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206424973U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100466A (en) * | 2018-09-17 | 2018-12-28 | 山东工业职业学院 | A kind of high-precision regulation titration outfit |
| CN111665322A (en) * | 2020-07-21 | 2020-09-15 | 韩笑 | Precision constant burette for inspection and detection center |
-
2016
- 2016-12-23 CN CN201621431356.1U patent/CN206424973U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100466A (en) * | 2018-09-17 | 2018-12-28 | 山东工业职业学院 | A kind of high-precision regulation titration outfit |
| CN111665322A (en) * | 2020-07-21 | 2020-09-15 | 韩笑 | Precision constant burette for inspection and detection center |
| CN111665322B (en) * | 2020-07-21 | 2022-07-01 | 韩笑 | Precision constant burette for inspection and detection center |
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