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Geometric body cross section demonstration device

A technology of a geometric body and a demonstrator, applied in the field of teaching appliances, can solve the problems of inconvenience to carry, difficult to control, etc., and achieve the effects of improving teaching efficiency, being convenient for carrying, and being easy to control.

Inactive Publication Date: 2017-05-24
崔群
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Disadvantages: This method needs to adjust the air bag and solution bag back and forth to control the volume of liquid in the geometry, which is difficult to control and inconvenient to carry

Method used

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  • Geometric body cross section demonstration device

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Embodiment Construction

[0012] The specific technical solutions of the present invention will be further described below with reference to the accompanying drawings, so that those skilled in the art can further understand the present invention, without limiting their rights.

[0013] refer to figure 1 , a kind of geometry cross-section demonstrator, it is characterized in that: comprise transparent geometry container 1, needle tube injector 2, one side of described geometry container is provided with air hole 5, opposite other side is provided with a protruding short conduit 3, so The short conduit is movably connected with the injection port of the needle syringe, and the colored liquid 4 is housed in the needle syringe.

[0014] The geometric body can be a cube, a cuboid, a cylinder, a cone, etc., and the cross-sectional shapes of different geometric bodies can be observed.

[0015] The geometric container is made of transparent acrylic material, and the liquid is colored liquid.

[0016] The inn...

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Abstract

The invention provides a geometric body cross section demonstration device comprising a transparent geometric body container and a needle tube injector. One side of the geometric body container is provided with an air hole, and the opposite side is provided with a liquid inlet hole. The liquid inlet hole is internally provided with a protruding short conduit. The short conduit is flexibly connected with the injection port of the needle tube injector. Liquid is arranged in the needle tube injector. The liquid volume in the geometric body container is directly controlled by pushing and pulling the piston of the needle tube injector, and the liquid surface is enabled to present the shape of the cross section by changing the position and the angle of the geometric body container so that control is facilitated, the teaching efficiency can be enhanced, the liquid is absorbed out of the geometric body container into the needle tube injector after completion of teaching, and thus the device is easy to carry and is not liable to damage.

Description

technical field [0001] The invention relates to a teaching tool, in particular to a geometrical body section demonstrator. Background technique [0002] Prior art: the air hole on one side of the geometric body is connected to an air bag through a hose, and the liquid inlet on the opposite side is connected to a solution bag containing a solution through a hose. Press the solution bag during teaching, the liquid enters the container through the hose, press the air bag to make the liquid flow back to the solution bag when changing other cross-sections, and adjust the liquid capacity to realize the cross-section change. [0003] Disadvantages: This method needs to adjust the air bag and solution bag back and forth to control the volume of liquid in the geometry, which is difficult to control and inconvenient to carry. Contents of the invention [0004] The technical problem to be solved by the present invention is to provide a direct and convenient geometry cross-section de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/04
Inventor 崔群
Owner 崔群
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