The utility model discloses a special demonstration device for mathematical curve, which comprises a drawing board and a plurality of pushpins. The surface of the drawing board is pasted with a rubber pad, the surface of the rubber pad is provided with a drawing grid, the surface of the lower left corner of the drawing board is provided with a winding drum, the bottom wall of the drawing board is provided with a vertical lifting rod, the bottom of the lifting rod is movably inserted with a limited position rod and the limited position rod The bottom end of the rod is fixedly connected with a mounting rod, the bottom end of the mounting rod is installed with a base plate, and the outer side of the lifting rod and the mounting rod is jointly sleeved with a control sleeve. The utility model is provided with a drawing board with a rubber pad. The drawing points are selected by inserting a push pin, and then the lines are set on the push pin to simulate the drawing of the curve, so that the process of drawing the curve can be completed skillfully and conveniently. Without using chalk and wiping the lines, the lines can be withdrawn automatically after the release of the hand. The drawing board is designed in a lifting type, and the height of the drawing board can be adjusted by rotating the control sleeve It is convenient for students to watch and improve the teaching effect.
【技术实现步骤摘要】
数学曲线专用演示装置
本技术涉及数学教育
,尤其涉及数学曲线专用演示装置。
技术介绍
数学教育是研究数学教学的实践和方法的学科。数学教育是一种社会文化现象,其社会性决定了数学教育要与时俱进,不断创新.数学教育中的教育目标、教育内容、教育技术等一系列问题都会随着社会的进步而不断变革与发展。在进行数学教学时,经常需要对数学曲线进行绘制,例如抛物线、双曲线等。现有技术中一般采用的方法是人工选点手动绘制,需要频繁地擦除粉笔线条,造成不便,影响教学效率。
技术实现思路
本技术的目的是为了解决现有技术中在绘制数学曲线时操作较为繁琐的问题,而提出的数学曲线专用演示装置。为了实现上述目的,本技术采用了如下技术方案:数学曲线专用演示装置,包括绘图板和多个图钉,所述绘图板的表面贴装有橡胶垫,所述橡胶垫的表面设有绘图网格,所述绘图板左下角的表面设有绕线筒,所述绘图板的底壁上设竖直安装有升降杆,所述升降杆的底部活动插设有限位杆,所述限位杆的底端固定连接有安装杆,所述安装杆的底端安装有底板,所述升降杆和安 ...
【技术保护点】
1.数学曲线专用演示装置,包括绘图板(1)和多个图钉(3),其特征在于,所述绘图板(1)的表面贴装有橡胶垫,所述橡胶垫的表面设有绘图网格(2),所述绘图板(1)左下角的表面设有绕线筒(4),所述绘图板(1)的底壁上设竖直安装有升降杆(5),所述升降杆(5)的底部活动插设有限位杆(8),所述限位杆(8)的底端固定连接有安装杆(7),所述安装杆(7)的底端安装有底板(6),所述升降杆(5)和安装杆(7)的外侧共同套设有控制套(9),所述控制套(9)的底端与安装杆(7)活动连接,所述控制套(9)的升降杆(5)螺纹连接。/n
【技术特征摘要】
1.数学曲线专用演示装置,包括绘图板(1)和多个图钉(3),其特征在于,所述绘图板(1)的表面贴装有橡胶垫,所述橡胶垫的表面设有绘图网格(2),所述绘图板(1)左下角的表面设有绕线筒(4),所述绘图板(1)的底壁上设竖直安装有升降杆(5),所述升降杆(5)的底部活动插设有限位杆(8),所述限位杆(8)的底端固定连接有安装杆(7),所述安装杆(7)的底端安装有底板(6),所述升降杆(5)和安装杆(7)的外侧共同套设有控制套(9),所述控制套(9)的底端与安装杆(7)活动连接,所述控制套(9)的升降杆(5)螺纹连接。
2.根据权利要求1所述的数学曲线专用演示装置,其特征在于,所述绘图板(1)左下角的表面开设有安装孔,所述绕线筒(4)靠近绘图板(1)的一端安装有旋转杆(11),所述旋转杆(11)上安装有固定轴承(12),所述固定轴承(12)固定安装在安装孔的内部,所述安装孔的内部固定连接有盘式弹簧(13),且旋转杆(11)同样与...
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