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Educational technology auxiliary teaching device

An auxiliary teaching and technology technology, applied in the field of educational technology auxiliary teaching devices, can solve the problems of clamping and fixing test tubes of different diameters, shaking and mixing liquids, etc., and achieves the effect of simple structure and labor-saving operation.

Inactive Publication Date: 2021-03-12
ZHENGZHOU RAILWAY VOCATIONAL & TECH COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides an educational technology auxiliary teaching device, which effectively solves the problem that the existing device cannot clamp and fix test tubes of different diameters and shake and mix the liquid in the test tube question

Method used

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  • Educational technology auxiliary teaching device
  • Educational technology auxiliary teaching device
  • Educational technology auxiliary teaching device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1, an auxiliary teaching device for educational technology, comprising an experiment box 1, the experiment box 1 is in the shape of a cylinder, the experiment box 1 can be made of transparent material, and the upper end surface of the experiment box 1 is provided with a circular hole, the test box 1 is slidingly installed with a bearing plate 2 up and down. A support column 3 is fixedly installed, and the upper end of the support column 3 is provided with threads, and the coaxial sleeve on the support column 3 is provided with a sliding plate 4 located at the lower end of the thread, and the sliding plate 4 can slide up and down on the support column 3, The coaxial sleeve on the support column 3 is provided with the first compression spring 5 between the bearing plate 2 and the sliding disc 4. The model of the first compression spring 5 is selected according to the use. When in use, the sliding disc 4 can be Press down the first compression spring 5, and clam...

Embodiment 2

[0039] Embodiment 2, on the basis of Embodiment 1, the support 3 is coaxially rotatably mounted with a gear ring 22 on the bearing plate 2, and a plurality of inner gear rings 22 are respectively rotatably installed on the bearing plate 2. The driving gear 23 with tooth meshing, the rotation of the gear ring 22 can synchronously rotate with a plurality of driving gears 23, and a plurality of push rods 24 are evenly slidably installed on the bearing plate 2, and each of the push rods 24 is connected with the driving gear. Rotate between gear 23 and be connected with rotating bar 25, offer the rotating hole that is positioned at driving gear 23 center one side on each described driving gear 23, one end of each described rotating rod 25 is respectively rotated and installed in the rotating hole, each The other ends of the two rotating rods 25 are respectively rotated and installed on one end of the push rod 24, and each of the driving gears 23 can be rotated by the corresponding r...

Embodiment 3

[0040] Embodiment three, on the basis of embodiment two, second compression springs 27 are respectively fixedly installed in each of the sliding boxes 26, the type of the second compression springs 27 is selected according to the use, each of the second compression springs One end of the spring 27 is respectively fixedly connected with a guard plate 28 positioned at the front side of the test tube 6, and a third compression spring 29 is respectively installed between the front end of each of the sliding boxes 26 and the rotating disk 4, and the third compression spring 29 The model is selected according to the time of use. When in use, each of the push rods 24 pushes the corresponding sliding box 26 to slide back and forth, and each of the sliding boxes 26 swings back and forth with the bottom of the corresponding tube 6 respectively. The corresponding liquid or particles in 6 are shaken evenly, which is more labor-saving than traditional manual shaking, and at the same time re...

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Abstract

The invention provides an educational technology auxiliary teaching device. An experimental tube can be clamped through mutual cooperative use of a clamping device and a protective plate, the phenomenon of slipping during use is prevented, meanwhile, liquid or particles in the experimental tube can be shaken up through cooperative use of a rotating ball and a sliding box, and the educational technology auxiliary teaching device comprises an experimental box; a bearing plate is installed in the experiment box in an up-down sliding mode, a supporting column is fixedly installed in the center ofthe bearing plate, the supporting column is coaxially sleeved with a sliding disc, the supporting column is coaxially sleeved with a first compressed spring located between the bearing plate and the sliding disc, and a plurality of experiment pipes are evenly and circumferentially installed at the upper end of the bearing plate. Each experiment pipe is sleeved with the clamping device, the bearingplate can be turned over through cooperative use of the lifting device, the half gear and the cleaning device, then the experiment pipes can be cleaned, and the situation that next-time use is affected by residual impurities in the experiment pipes is prevented.

Description

technical field [0001] The invention relates to the technical field of experimental equipment, in particular to an educational technology auxiliary teaching device. Background technique [0002] Chemistry is a kind of natural science, mainly at the level of molecules and atoms, to study the composition, properties, structure and changes of substances, and to create new substances (essentially, molecules that do not exist in nature). The world is composed of matter, and there are mainly two forms of change, chemical change and physical change (and nuclear reaction). Unlike particle physics and nuclear physics, which study smaller scales, chemistry studies the material structure of atoms, molecules, and ions, as well as chemical bonds, intermolecular forces, and other interactions, and its scale is the closest to the macroscopic in the microscopic world. Their natural laws are also most closely related to the physical and chemical properties of substances and materials in the...

Claims

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Application Information

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IPC IPC(8): B01L9/06B08B9/36G09B23/24
CPCB01L9/06B08B9/36G09B23/24
Inventor 陈静远张荣凡任新社于春平梅茜
Owner ZHENGZHOU RAILWAY VOCATIONAL & TECH COLLEGE
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