CN107179383B

CN107179383B - Device capable of accurately reading burette

Info

Publication number: CN107179383B
Application number: CN201710587343.6A
Authority: CN
Inventors: 崔丽云; 徐颖; 张鹏远
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2017-07-18
Filing date: 2017-07-18
Publication date: 2023-04-07
Anticipated expiration: 2037-07-18
Also published as: CN107179383A

Abstract

The invention aims to provide a device capable of accurately reading a burette, which comprises a small laser instrument, a telescopic rotary burette clamp, a detachable iron stand and a small level. The level gauge on the demountable iron stand is used for adjusting and guaranteeing the level of the demountable iron stand, then the small laser is vertically hung on a cantilever rod of the demountable iron stand, the end part of the burette is tightly clamped by the telescopic rotary burette clamp at the moment, the burette and the small laser are guaranteed to be on a horizontal line as far as possible, a switch of the small laser is turned on, and the position of the burette is adjusted until a complete laser point appears on the table top of the demountable iron stand. At this point, the burette is placed vertically for more accurate readings. The device design is simple, the operation of being convenient for burette reading is more accurate in the titration experiment.

Description

Device capable of accurately reading burette

Technical Field

The invention relates to the field of experimental instruments, in particular to a device capable of accurately reading a burette.

Background

The main devices of the titration test are a burette, an iron stand and a conical flask. Burettes are glass devices that measure the volume of a titration solution and are generally classified into acid-type burettes and base-type burettes. The burette in the test is possibly in an inclined state due to the corrosion of the detachable iron stand, the corrosion of the rubber plug of the burette clamp and the improper manual operation, so that the reading is inaccurate. The present invention successfully overcomes the above-mentioned disadvantages. Convenient use and good effect.

Disclosure of Invention

The invention aims to provide a device capable of accurately reading a burette; the device can make the burette accurately read.

The invention adopts the following technical scheme for realizing the purpose:

an apparatus for accurately reading a burette is comprised of four parts: small-size laser instrument (1), flexible rotatory titration pipe clamp (2), can dismantle iron stand platform (3), small-size spirit level (4), spirit level (4) on can dismantling the iron stand platform are used for adjusting and guarantee the level that can dismantle the iron stand platform, then with the vertical suspension of small-size laser instrument (1) on the cantilever bar of dismantling iron stand platform (3). At this moment, tightly clip buret tip with flexible rotatory buret clamp (2), guarantee as far as possible that buret and small-size laser instrument are on a horizontal line, open small-size laser instrument (1) switch, adjust the position of buret and appear a complete laser point on can dismantling the iron stand mesa, at this moment, the buret is vertical placing to more accurate reading. The method is characterized in that: the small laser instrument (1) is switched on, when a complete bright spot appears on the detachable iron stand, and the burette is ensured to be in a vertical state when the laser in the burette is not refracted.

Preferably, the device capable of accurately reading the burette is provided, and the telescopic rotating burette clamp (2) can flexibly adjust the position of the burette through telescopic rotation so as to ensure that the burette is in a vertical state.

Preferably, the device capable of accurately reading the burette is characterized in that the detachable iron stand (3) is used for hanging a small laser instrument and fixing a telescopic rotary burette clamp. The vertical support of iron stand platform designs to dismantle, is convenient for deposit, does not account for the space.

Preferably, the invention provides a device capable of accurately reading a burette, and the small level gauge (4) is used for checking the level of the detachable iron stand.

Has the advantages that:

compared with the prior art, the invention has the beneficial effects that:

the suspended small laser (1) ensures that laser is vertical by utilizing a plumb principle and a principle that the laser is transmitted in a solution along a straight line and can be refracted in different media, the small level gauge (4) embedded in the detachable iron stand ensures that the iron stand is horizontal, and the burette is in a vertical state by adjusting the telescopic rotary burette clamp (2), so that the purpose of accurate degree is achieved.

The invention overcomes the defects of the prior art, and provides the matching device capable of accurately reading the burette, so that the reading of the titration experiment is more accurate.

Drawings

FIG. 1 is a front view of an apparatus for correcting the vertical state of a burette

Detailed Description

The invention is further illustrated by the following specific examples.

The specific embodiment is a device capable of accurately reading a burette, which comprises four parts: small-size laser instrument (1), flexible rotatory buret clamp (2), can dismantle iron stand platform (3), small-size spirit level (4), spirit level (4) on can dismantling the iron stand platform are used for adjusting and guarantee the level that can dismantle the iron stand platform, then with small-size laser instrument (1) vertical suspension in the cantilever bar of dismantling iron stand platform (3), tightly clip buret tip with flexible rotatory buret clamp (2) this moment, guarantee buret and small-size laser instrument on a water flat line as far as possible. And (3) opening a switch of the small laser instrument (1), and adjusting the position of the burette until a complete laser spot appears on the table top of the detachable iron stand. At this point, the burette is placed vertically, for more accurate readings,

the small laser instrument (1) is switched on, when a complete bright spot appears on the detachable iron stand, and the burette is ensured to be in a vertical state when the laser in the burette is not refracted.

The telescopic rotating burette clamp (2) can flexibly adjust the position of the burette through telescopic rotation so as to ensure that the burette is in a vertical state.

The detachable iron stand (3) is used for hanging a small laser instrument and fixing a telescopic rotary burette clamp. The vertical support of iron stand platform designs to dismantle, is convenient for deposit, does not account for the space.

The small-sized level meter (4) is used for checking the level of the detachable iron stand.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An apparatus for accurately reading a burette is comprised of four parts: small-size laser instrument (1), flexible rotatory buret clamp (2), demountable year iron pallet (3), small-size spirit level (4), spirit level (4) on the demountable year iron pallet are used for adjusting and guarantee the level of demountable year iron pallet, then with small-size laser instrument (1) vertical hang on the cantilever bar of demountable year iron pallet (3), tightly clip the buret tip with flexible rotatory buret clamp (2) this moment, guarantee buret and small-size laser instrument on a water flat line as far as possible, open small-size laser instrument (1) switch, the position of adjusting the buret appears a complete laser point until can uninstall on the iron pallet mesa, at this moment, the buret is vertical the placing, so that more accurate reading, and is characterized by: the small laser instrument (1) is switched on, when a complete bright spot appears on the demountable iron stand, and the burette is ensured to be in a vertical state when the laser in the burette is not refracted.

2. An apparatus for enabling accurate readings of a burette as defined in claim 1, wherein: the telescopic rotating burette clamp (2) can flexibly adjust the position of the burette through telescopic rotation so as to ensure that the burette is in a vertical state.

3. An apparatus for enabling accurate readings of a burette as defined in claim 1, wherein: the detachable iron stand (3) is used for hanging a small laser and fixing a telescopic rotary burette clamp; the vertical support of iron stand platform designs to dismantle, is convenient for deposit, does not account for the space.

4. An apparatus for enabling accurate readings of a burette as set forth in claim 1, wherein: the small-sized level meter (4) is used for checking the level of the table top of the detachable iron support.