CN209014537U - A kind of reading auxiliary device of buret - Google Patents
A kind of reading auxiliary device of buret Download PDFInfo
- Publication number
- CN209014537U CN209014537U CN201821626009.3U CN201821626009U CN209014537U CN 209014537 U CN209014537 U CN 209014537U CN 201821626009 U CN201821626009 U CN 201821626009U CN 209014537 U CN209014537 U CN 209014537U
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- buret
- slideway
- sliding
- auxiliary device
- pointer
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Abstract
The utility model belongs to chemical experiment device field, and in particular to a kind of reading auxiliary device of buret.The reading auxiliary device includes bottom plate, positioning mechanism and measuring mechanism set on the bottom plate, and the fixing piece for clamping buret；The positioning mechanism includes slideway and the sliding shoe that is slidably connected with slideway；Sliding shoe is equipped with caging bolt and pointer；The measuring mechanism includes sliding rail, the sliding ruler and positioning bolt being slidably connected with sliding rail；Tapped through hole is offered on the sliding rail, positioning bolt passes through tapped through hole, and positioning bolt end and sliding ruler phase apical grafting；The slideway is parallel with the position of sliding rail.The utility model and buret disposably accurate, direct can read liquid-consumed volume in buret with the use of can avoid because of error in reading caused by buret scale is unintelligible or personnel's operating experience is insufficient, improve conventional efficient and accuracy.
Description
Technical field
The utility model belongs to chemical experiment device field, and in particular to a kind of reading auxiliary device of buret.
Background technique
When using buret in current chemical experiment, the numerical value for reading buret fully relies on experimenter's
Operating experience is easy readings occurred by the interference of the factors such as light, graduation mark clarity and reagent color in use inaccurate
True situation；Moreover, needing to read the forward and backward numerical value twice of titration in titration process respectively, and drop is calculated on this basis
The consumption volume for determining liquid in pipe, further increases and a possibility that operating error occurs.
Summary of the invention
In order to solve existing technical problem, the utility model aim is the reading auxiliary device for proposing a kind of buret,
By being used cooperatively for auxiliary device and buret, disposably accurate, direct liquid-consumed volume in buret can be read, subtracted
Few operating error.
In order to achieve the above technical purposes, the utility model adopts the following technical solution:
A kind of reading auxiliary device of buret, including bottom plate, positioning mechanism and measuring mechanism set on the bottom plate, and
For clamping the fixing piece of buret；
The positioning mechanism includes slideway and the sliding shoe that is slidably connected with slideway；Sliding shoe is equipped with caging bolt and refers to
Needle；Sliding shoe offers the tapped through hole perpendicular to slideway, and caging bolt passes through tapped through hole, and caging bolt end and slideway
Phase apical grafting；
The measuring mechanism includes sliding rail, the sliding ruler and positioning bolt being slidably connected with sliding rail；It is opened up on the sliding rail
There is tapped through hole, positioning bolt passes through tapped through hole, and positioning bolt end and sliding ruler phase apical grafting；
The slideway is parallel with the position of sliding rail.
Downslide motion block of the sliding shoe by being located at the upper sliding shoe of slideway upper end and positioned at slideway lower end forms；Set on upper
The pointer of sliding shoe is upper pointer, and the pointer on downslide motion block is lower pointer, to indicate respectively the forward and backward buret of titration
The scale of interior liquid.
In preferred embodiment, fixing piece is fixing clamp, and fixing clamp is detachably connected or is fixedly connected with bottom plate；Pass through fixing clamp
It can secure a base plate on buret, to realize being used cooperatively for auxiliary device and buret.
Preferably, the bottom plate is PVC material；Bottom plate can reduce the weight of single unit system with PVC material, keep device lighter
Just.
Preferably, the measuring mechanism is metal material；Measuring mechanism can reduce deformation using metal material, to improve
Measurement accuracy.
Reading auxiliary device described in the utility model when in use, can be divided into following steps:
(1) fixing clamp is located on buret, and makes the slightly below upper pointer of the liquid level position of buret；
(2) be aligned upper pointer with the meniscus lower edge lowest part of liquid level in buret (when liquid color is too deep, it can be with
The alignment of liquid level most upper limb), screw the caging bolt on sliding shoe；
(3) at the position that the zero point for sliding ruler is adjusted to supreme pointer, the positioning bolt on sliding rail is screwed, makes to slide ruler
Position is fixed, and titration operation is then started；
(4) after the completion of titrating, by the lowest part of lower pointer regulation to liquid level meniscus lower edge (when liquid color is too deep,
It is aligned with liquid level most upper limb), screw the caging bolt on downslide motion block；
This scale that pointer is directed toward on sliding ruler at present is exactly the titration liquid volume consumed.
Reading auxiliary device described in the utility model is avoided that by being used cooperatively with buret because of buret scale
Error in reading caused by unintelligible or personnel's operating experience deficiency, and disposably accurate, direct can read titration liquid in pipe
Volume is consumed, conventional efficient and accuracy are improved.
Detailed description of the invention
The schematic diagram of Fig. 1 the utility model reading auxiliary device；
The schematic diagram that the utility model reading auxiliary device and buret are used cooperatively in Fig. 2 embodiment 1；
The schematic diagram that the utility model reading auxiliary device and buret are used cooperatively in Fig. 3 embodiment 2.
Specific embodiment
The utility model is further elaborated below in conjunction with specific embodiment.
Embodiment 1
A kind of reading auxiliary device of buret, as shown in Figure 1, include bottom plate 1, positioning mechanism on bottom plate 1 and
Measuring mechanism, and the fixing clamp 11 set on bottom panel side；
The positioning mechanism includes slideway 9 and the upper sliding shoe 3 and downslide motion block 4 that are slidably connected with slideway 9；Upper sliding shoe
3 and downslide motion block 4 on be equipped with caging bolt 10 and pointer, wherein set on upper sliding shoe 3 pointer be upper pointer 5, be set to down
4 pointer is lower pointer 6 on sliding shoe；Upper and lower pointer is respectively used to the scale of the forward and backward titration liquid in pipe of instruction titration；On
Sliding shoe 3 and downslide motion block 4 offer the tapped through hole perpendicular to slideway 9, and caging bolt 10 passes through tapped through hole, and limits spiral shell
The end of bolt 10 and 9 phase apical grafting of slideway；By screwing caging bolt 10, the position of upper and lower sliding shoe is fixed, unclamps limit spiral shell
Bolt 10 can make upper and lower sliding shoe restore sliding；
The measuring mechanism includes sliding rail 8, the sliding ruler 2 and positioning bolt 7 being slidably connected with sliding rail 8；It is opened on sliding rail 8
Equipped with tapped through hole, positioning bolt 7 passes through tapped through hole, and 7 end of positioning bolt and sliding 2 phase apical grafting of ruler；
Slideway 9 is parallel with the position of sliding rail 8.
1 side of bottom plate is equipped with connecting rod, and fixing clamp 11 is fixed in connecting rod by the positioning bolt of tail portion, to realize
Fixing clamp 11 is detachably connected with bottom plate 1；Fixing clamp 11 can also be directly fixedly connected on bottom plate 1, and two kinds of connection types are equal
It can achieve identical technical effect.
The material selection PVC of bottom plate 1, can reduce the weight of single unit system with PVC material, keep device lighter, with titration
It is not easy to glide when pipe is used cooperatively.
The material of measuring mechanism is metal；Measuring mechanism can reduce deformation using metal material, to improve measurement accuracy.
Reading auxiliary device described in the utility model when in use, as shown in Fig. 2, following steps can be divided into:
(1) fixing clamp 11 is located on buret 12, and makes the slightly below upper pointer 5 of the liquid level position of buret 12；
(2) be aligned upper pointer 5 with the meniscus lower edge lowest part of liquid level in buret 12 (when liquid color is too deep,
Can be aligned with liquid level most upper limb), screw the caging bolt on sliding shoe 3；
(3) zero point for sliding ruler 2 is adjusted at the position of supreme pointer 5, screws the positioning bolt 7 on sliding rail, makes to slide
The position of ruler 2 is fixed, and titration operation is then started；
(4) titrate after the completion of, by lower pointer 6 adjust to the lowest part of liquid level meniscus lower edge (when liquid color is too deep,
It is aligned with liquid level most upper limb), screw the caging bolt on downslide motion block 4；
This scale that pointer 6 is directed toward on sliding ruler 2 at present is exactly the titration liquid volume consumed.
Embodiment 2
Reading auxiliary device described in the utility model, as shown in figure 3, positioning mechanism includes slideway 9 and sliding shoe 13, sliding
Block 13 is equipped with caging bolt 15 and pointer 14；Other technologies scheme is same as Example 1.
The reading auxiliary device can be divided into following steps when in use:
(1) fixing clamp 11 is located on buret 12, and the liquid level position of buret 12 is made to be slightly below pointer 14；
(2) be aligned pointer 14 with the meniscus lower edge lowest part of liquid level in buret 12 (when liquid color is too deep, it can
It is aligned with liquid level most upper limb), screw the caging bolt 15 on sliding shoe 13；
(3) zero point for sliding ruler 2 is adjusted to the position of pointer 14, screws positioning bolt 7, make the position for sliding ruler 2
It is fixed, then start titration operation；
(4) titrate after the completion of, unclamp caging bolt 15, pointer 14 is adjusted to the lowest part of liquid level meniscus lower edge (when
When liquid color is too deep, it is aligned with liquid level most upper limb), then screw caging bolt 15；
The scale that pointer 14 is directed toward on sliding ruler 2 at this time is exactly the titration liquid volume consumed.
Reading auxiliary device described in the utility model is avoided that by being used cooperatively with buret because of buret scale
Error in reading caused by unintelligible or personnel's operating experience deficiency, and disposably accurate, direct can read titration liquid in pipe
Volume is consumed, conventional efficient and accuracy are improved.
It should be noted last that: the technical solution of the utility model that the above embodiments are only illustrative and not limiting is appointed
What to the utility model carry out equivalent replacement and do not depart from the spirit and scope of the utility model modification or part replace,
It should cover within the scope of the utility model claims protection.
Claims (5)
1. a kind of reading auxiliary device of buret, it is characterised in that: described device includes bottom plate, localization machine set on the bottom plate
Structure and measuring mechanism, and the fixing piece for clamping buret；The positioning mechanism includes slideway and is slidably connected with slideway
Sliding shoe；Sliding shoe is equipped with caging bolt and pointer；Sliding shoe offers the tapped through hole perpendicular to slideway, caging bolt
Across tapped through hole, and caging bolt end and slideway phase apical grafting；The measuring mechanism includes sliding rail, is slidably connected with sliding rail
Slide ruler and positioning bolt；Tapped through hole is offered on the sliding rail, positioning bolt passes through tapped through hole, and positioning bolt end
End and sliding ruler phase apical grafting；The slideway is parallel with the position of sliding rail.
2. reading auxiliary device as described in claim 1, it is characterised in that: the sliding shoe is by the upper cunning positioned at slideway upper end
Motion block and positioned at slideway lower end downslide motion block form；Pointer set on upper sliding shoe is upper pointer, on downslide motion block
Pointer is lower pointer.
3. reading auxiliary device as described in claim 1, it is characterised in that: the fixing piece is fixing clamp, fixing clamp and bottom
Plate is detachably connected or is fixedly connected.
4. reading auxiliary device as described in any one of claims 1 to 3, it is characterised in that: the bottom plate is PVC material.
5. reading auxiliary device as described in any one of claims 1 to 3, it is characterised in that: the measuring mechanism is metal material
Matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821626009.3U CN209014537U (en) | 2018-10-08 | 2018-10-08 | A kind of reading auxiliary device of buret |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821626009.3U CN209014537U (en) | 2018-10-08 | 2018-10-08 | A kind of reading auxiliary device of buret |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209014537U true CN209014537U (en) | 2019-06-21 |
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ID=66837716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821626009.3U Active CN209014537U (en) | 2018-10-08 | 2018-10-08 | A kind of reading auxiliary device of buret |
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| Country | Link |
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| CN (1) | CN209014537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112387324A (en) * | 2021-01-20 | 2021-02-23 | 潍坊市利程建材科技有限公司 | Detachable burette convenient to inside washing |
-
2018
- 2018-10-08 CN CN201821626009.3U patent/CN209014537U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112387324A (en) * | 2021-01-20 | 2021-02-23 | 潍坊市利程建材科技有限公司 | Detachable burette convenient to inside washing |
| CN112387324B (en) * | 2021-01-20 | 2021-05-28 | 青岛大学附属医院 | Detachable burette convenient to inside washing |
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