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Triangle board teaching aid for drawing parallel lines quickly

A technology of triangular boards and parallel lines, applied in the field of triangular board teaching aids, can solve the problems of inaccurate and inconvenient drawing, and achieve the effect of fast drawing

Inactive Publication Date: 2019-01-11
江苏省丰县中等专业学校
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the classroom, teachers need to use multiple teaching aids to accurately draw parallel lines on the blackboard, which is very inconvenient and the drawing is not accurate enough

Method used

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  • Triangle board teaching aid for drawing parallel lines quickly
  • Triangle board teaching aid for drawing parallel lines quickly
  • Triangle board teaching aid for drawing parallel lines quickly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] as attached figure 1 Shown, a kind of triangle teaching aid of drawing parallel lines quickly is made up of triangle 3, ruler 1, scale 1, track 5; The right-angled side with the scale is vertical; the straightedge 1 is parallel to the right-angled side with the scale of the triangular plate 3, and one end of the straightedge 1 is fixedly connected with the sliding track 5-2, and is slidably connected with the fixed track 5-1 by the sliding track 5-2, A scale 2 is fixed vertically in the middle, and the other end of the scale 2 is connected with the triangular plate 3 by sliding fit.

[0019] The middle part of described triangular plate 3 is provided with a beam 3-1 perpendicular to the right-angled side with scale of triangular plate 3;

[0020] A handle 4 is installed on the front of the beam 3-1.

[0021] On the right-angled side of the square plate 3 with scales, a limit gap 3-2 is provided, and the corresponding gap 3-2 on the ruler 1 is provided with an adjustme...

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PUM

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Abstract

The invention relates to a triangle board teaching aid for drawing parallel lines quickly. The triangle board teaching aid is composed of a triangle board, a ruler, a scaleplate and a track. A fixed track body is arranged on the back side of the triangle board and further perpendicular to the right-angle side with scales of the triangle board. The ruler is parallel to the right-angle side with scales of the triangle board. One end of the ruler is fixedly connected with a sliding track body. The sliding track body and the fixed track body are connected in a sliding mode, the middle part is vertically and fixedly connected with the scaleplate, and the other end of the scaleplate is connected with the triangle board in a sliding fit mode. On the premise that normal using of the triangle boardis not interfered, the parallel lines with accurate distances can be drawn out conveniently and quickly.

Description

technical field [0001] The invention relates to a teaching aid, in particular to a triangular board teaching aid for quickly drawing parallel lines. Background technique [0002] In the classroom, teachers need to use multiple teaching aids to accurately draw parallel lines on the blackboard, which is very inconvenient and the drawing is not accurate enough. Contents of the invention [0003] In order to solve the above problems, the present invention provides a simple, convenient and accurate triangle teaching aid for quickly drawing parallel lines. [0004] The technical scheme of the present invention is: a settable teaching aid for quickly drawing parallel lines, which is composed of settable, ruler, ruler, and track; a fixed track is arranged on the back of the settable, and the fixed track is perpendicular to the right-angled side of the settable with scale; Said straightedge is parallel to the right-angled side of the set square band scale, and one end of the strai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L7/027B43L7/10
CPCB43L7/0275B43L7/10
Inventor 刘玉光张建霞
Owner 江苏省丰县中等专业学校
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