Fixing device for trace burette

Abstract

The utility model relates to a trace burette fixing device, which comprises a base, a support rod, a titration clamp, a magnifying glass and a trace burette, the trace burette comprises a liquid injection tube, a graduated measuring tube and a solid glass column, the upper part of the liquid injection tube is clamped and fixed through the titration clamp, the titration clamp is arranged on the support rod, and the magnifying glass is arranged on the base. The bottom of the supporting rod is fixed on the base, the base is provided with a supporting sleeve corresponding to the solid glass column, the supporting sleeve is inserted into the base, the solid glass column of the micro burette is inserted into the supporting sleeve, and the magnifying glass is arranged corresponding to the scale marks of the scale measuring tube. The micro burette is doubly fixed by adopting the support sleeve and the titration clamp up and down, so that the micro burette is not easy to shake in the test process, the operation error is reduced, and the test efficiency is improved; the magnifying lens can be better used for test reading, and the accuracy of test results is improved; the device is simple to operate, convenient to disassemble and assemble and accurate in test data, and has positive popularization significance.

Description

Technical Field

[0001] The utility model relates to the technical field of test equipment, in particular to a fixing device for a micro-burette. Background Art

[0002] Microburettes are different from ordinary burettes. They are more accurate, more complicated to operate, and more difficult for inspectors to get started. At present, the fixing device used with microburettes only has a simple base, which is light and easy to knock over; the fixing position is plug-in, the base aperture does not match the burette to a high degree, and the burette is easy to rotate during the experiment, which brings great inconvenience to the test operation. In addition, microburettes have high accuracy, but the readings are not easy to see clearly. Utility Model Content

[0003] The utility model aims to overcome the above-mentioned shortcomings and provides a fixing device for a microburette. The supporting sleeve and the titration clamp are used to fix the microburette in a dual manner, so that the microburette is not easy to shake during the test process, the operating errors are reduced, and the test efficiency is improved; the magnifying glass can be better used for test readings, and the accuracy of the test results is improved; the operation is simple, the disassembly and installation are convenient, the test data is accurate, and the utility model has positive promotion significance.

[0004] The purpose of the utility model is achieved in this way:

[0005] A fixing device for a microburette comprises a base, a support rod, a titration clamp, a magnifying glass and a microburette, wherein the microburette comprises an injection tube, a graduated measuring tube and a solid glass column, wherein the upper portion of the injection tube is clamped and fixed by the titration clamp, the titration clamp is arranged on the support rod, the bottom of the support rod is fixed on the base, a supporting sleeve is arranged on the base corresponding to the solid glass column, the supporting sleeve is inserted into the base, the solid glass column of the microburette is inserted into the supporting sleeve, and the magnifying glass is arranged corresponding to the scale line of the graduated measuring tube.

[0006] Preferably, the support sleeve is made of rubber.

[0007] Preferably, the top of the support sleeve extends out of the base.

[0008] Preferably, the magnifying glass is connected to a sliding sleeve via a universal hose, the sliding sleeve is sleeved on a supporting rod, and the sliding sleeve is locked and fixed by a locking knob.

[0009] The beneficial effects of the utility model are:

[0010] The solid glass column of the microburette is inserted into the support sleeve to perform preliminary fixation of the microburette; a titration clamp and a magnifying glass are installed on the support rod of the base, and the titration clamp clamps the upper part of the injection tube of the microburette to perform secondary fixation of the microburette; the magnifying glass is aligned with the scale measuring tube of the microburette, and the position of the magnifying glass is adjustable. Accurately adjusting the position of the magnifying glass can more accurately observe the position of the liquid surface, reduce the error generated when reading, and thus improve the accuracy of the measurement result. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model.

[0012] The components include: a base 1; a support rod 2; a titration clamp 3; a magnifying glass 4; a micro-burette 5; a liquid injection tube 5.1; a graduated measuring tube 5.2; a solid glass column 5.3; a support sleeve 6; a universal hose 7; a sliding sleeve 8; and a locking knob 9. DETAILED DESCRIPTION

[0013] See also Figure 1 The utility model relates to a fixing device for a microburette, comprising a base 1, a support rod 2, a titration clamp 3, a magnifying glass 4 and a microburette 5, wherein the microburette 5 comprises a liquid injection tube 5.1, a graduated measuring tube 5.2 and a solid glass column 5.3, wherein the liquid injection tube 5.1 and the graduated measuring tube 5.3 are arranged in parallel, the solid glass column 5.3 is arranged at the bottom of the liquid injection tube 5.1 and the graduated measuring tube 5.3, the upper part of the liquid injection tube 5.1 is clamped and fixed by the titration clamp 3, the titration clamp 3 is arranged on the support rod 2, and the bottom of the support rod 2 is provided with a solid glass column 5.3. The bottom of the solid glass column 5.3 is inserted into the support sleeve 6. The support sleeve 6 is made of rubber. The bottom of the solid glass column 5.3 is inserted into the support sleeve 6. The support sleeve 6 is fixed through the bottom of the solid glass column 5.3 to fix the microburette 5 as a whole. The support sleeve made of rubber protects the solid glass column 5.3 to prevent the microburette 5 from being damaged during insertion and removal.

[0014] The magnifying glass 4 is set corresponding to the scale line of the graduated measuring tube 5.2. The magnifying glass 4 is connected to the sliding sleeve 8 through the universal hose 7. The sliding sleeve 8 is set on the support rod 2. The sliding sleeve 8 is adjusted in height by the locking knob 9 to roughly adjust the height position of the magnifying glass 4. The universal hose 7 can change direction at will to fine-tune the position of the magnifying glass 4, magnify the scale area where the liquid level of the graduated measuring tube 5.3 is located, and the scale line is accurately read. The position of the magnifying glass is easy to adjust, which greatly improves the detection efficiency.

[0015] The top of the support sleeve 6 extends out of the base 1 for easy disassembly and assembly. The inner diameter of the support sleeve 6 matches the outer diameter of the solid glass column 5.3. According to the outer diameter specification of the solid glass column 5.3, the corresponding support sleeve 6 is selected to improve the matching degree of the support sleeve.

[0016] The microburette is installed as follows:

[0017] The solid glass column of the microburette is inserted into the support sleeve to perform preliminary fixation of the microburette; a titration clamp and a magnifying glass are installed on the support rod of the base, and the titration clamp clamps the upper part of the injection tube of the microburette to perform secondary fixation of the microburette; the magnifying glass is aligned with the scale measuring tube of the microburette, and the position of the magnifying glass is adjustable. Accurately adjusting the position of the magnifying glass can more accurately observe the position of the liquid surface, reduce the error generated when reading, and thus improve the accuracy of the measurement result.

[0018] In addition to the above embodiments, the present invention also includes other implementation modes. Any technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.

Claims

1. A fixing device for a microburette, characterized in that: It comprises a base, a support rod, a titration clamp, a magnifying glass and a micro-burette, wherein the micro-burette comprises an injection tube, a graduated measuring tube and a solid glass column, the upper part of the injection tube is clamped and fixed by the titration clamp, the titration clamp is arranged on the support rod, the bottom of the support rod is fixed on the base, a support sleeve is arranged on the base corresponding to the solid glass column, the support sleeve is inserted in the base, the solid glass column of the micro-burette is inserted in the support sleeve, and the magnifying glass is arranged corresponding to the scale line of the graduated measuring tube.

2. A fixing device for a microburette according to claim 1, characterized in that: The supporting sleeve is made of rubber.

3. The fixing device for a microburette according to claim 1, characterized in that: The top of the support sleeve extends out of the base.

4. A fixing device for a microburette according to claim 1, characterized in that: The magnifying glass is connected to a sliding sleeve via a universal hose, the sliding sleeve is sleeved on a supporting rod, and the sliding sleeve is locked and fixed via a locking knob.

Images