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Experiment frame for chemical experiment

A technology of chemical experiments and experimental racks, applied in the direction of laboratory appliances, chemical instruments and methods, test tube holders/clamps, etc., can solve problems such as uneven heating, non-adjustable height of alcohol lamps, dangers, etc., to improve safety and convenience The effect of using chemical experiments

Inactive Publication Date: 2019-01-04
SHIYAN DEYUAN TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In chemical experiments, it is often necessary to heat the reagents in the test tube. During the heating process, one point of the test tube is always heated. The heating is uneven, which can easily cause the test tube to crack and cause danger.
In addition, the height of the heating rack or the alcohol lamp used for heating cannot be adjusted, which is inconvenient for heating
The structure of the lamp port of the alcohol lamp is not well sealed, and there will be alcohol spills after the alcohol lamp is turned down, which will affect the safety of the experiment.

Method used

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  • Experiment frame for chemical experiment
  • Experiment frame for chemical experiment
  • Experiment frame for chemical experiment

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Embodiment Construction

[0018] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0019] The embodiment of the present invention provides a kind of experimental rack for chemical experiments, see figure 1 , the experiment rack for chemical experiments comprises a base 1, a support 2 arranged on one end of the base 1, a test tube clamp 3 connected to the support 2, an adjustment assembly 4 arranged on the base 1, a rotating assembly arranged on the adjustment assembly 4 5. The alcohol lamp 6 arranged on the rotating assembly 5;

[0020] The bracket 2 includes a vertical rod 21, a sleeve 22 arranged on the vertical rod 21, and a fastening pin 23 arranged on one side of the sleeve 22;

[0021] see figure 2 , the test tube holder 3 includes a cross bar 31 connected to the vertical bar 21 through the sleeve 22, a clam...

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Abstract

The invention relates to an experiment frame for a chemical experiment, and belongs to the field of teaching aids. The experiment frame comprises a base, a bracket arranged at one end of the base, a test tube clamp connected with the bracket, an adjusting component arranged on the base, a rotating component arranged on the adjusting component, and an alcohol lamp arranged on the rotating component; the alcohol lamp comprises a lamp body, a lamp opening connected with the lamp body, a lamp wick cover arranged at the lamp opening, a lamp body cover connected with the lamp wick cover through therotating shaft, handles arranged at two sides of the lamp body, and a scale line arranged outside the lamp body. According to the invention, the test tube clamp with a pressure spring is arranged, thetest tube can be stably clamped, and the test operations of heating and the like after the test tube is clamped is facilitated; a lifting component is arranged so as to adapt to the heating height when the frame is not in use; the alcohol lamp arranged on the rotating component can carry out circular movement and can uniformly heat the test tube; the wick cover of the alcohol lamp is connected with the lamp opening through a threaded structure, so that the occurrence of the alcohol spilling phenomenon caused by falling of the alcohol lamp is avoided, and the safety is improved.

Description

technical field [0001] The invention relates to the field of teaching aids, in particular to an experiment rack for chemical experiments. Background technique [0002] In chemical experiments, it is often necessary to heat the reagents contained in the test tube. During the heating process, one point of the test tube is always heated. The heating is relatively uneven, which can easily cause the test tube to crack and cause danger. In addition, the height of the heating rack or the alcohol lamp used for heating cannot be adjusted, which is inconvenient for heating. The structure of the lamp port of the alcohol lamp is not well sealed, and there will be phenomena such as alcohol spilling after the alcohol lamp is turned down, which will affect the safety of the experiment. Contents of the invention [0003] In order to solve the problems in the prior art, the embodiment of the present invention provides a test rack for chemical experiments that can adapt to different he...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01L9/00B01L9/06F23D3/26
CPCB01L9/00B01L9/06F23D3/26
Inventor 郑辉
Owner SHIYAN DEYUAN TECH DEV
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