The utility model discloses a multi-functional triangular plate for teaching mathematics, including a side plate A and a side plate C. The lateral side of the side plate A and the side plate B is set with a scale. The inside edge of the side of the side plate B is provided with a clamp, and a groove is arranged on the inside of the side plate B. One end of the side plate B is provided with a pin hole, and the side of the side plate B is provided with a pin hole, and the side of the side plate B is provided with a pin hole. A convex block is arranged on the outside side of the inside of the plate C, and the side of one end of the side plate C is a circular arc surface, a pin hole is arranged on the arc surface, and one end of the side plate C is installed in the groove of the side plate A, connected by the first pin shaft, and one end of the side plate C is installed inside the side plate B, and the side is connected through the second pin shaft and the side is connected. The side is connected by the side, and the side is connected by the side. The side is connected through the second pin axis. The side is connected to the side, the side is connected by the side, the side is connected by the side, sides of the side, and the side is connected through the second pin axis, the side is connected to the side. The side is connected by the side, the side is connected, the side is connected through the second pin axis to connect, side said side The other end of the plate C is provided with a cylindrical pin. The utility model has the advantages of simple structure, convenient movement, easy to carry, or use as a ruler. In addition, when measuring the length of the object, the side plate A and the side plate B are Unspread, so that the side plate A and the side plate B are 180 degrees increasing the range of the triangle plate. One
【技术实现步骤摘要】
一种多功能的数学教学用三角板
本技术涉及数学教学
,具体为一种多功能的数学教学用三角板。
技术介绍
在我们现代社会中,三角板是学数学、量角度的主要作图工具之一。每副三角板由两个特殊的直角三角形组成。一个是等腰直角三角板,另一个是特殊角的直角三角板。现有的教师上课教学用三角板的体积大,不方便携带。
技术实现思路
本技术要解决的技术问题是克服现有技术的缺陷,提供一种多功能的数学教学用三角板。为了解决上述技术问题,本技术提供了如下的技术方案:一种多功能的数学教学用三角板,包括侧板A和侧板C,所述侧板A和侧板B的外侧边上都设置有刻度,所述侧板B的背面的内侧边处设置有卡口,同时侧板B的内侧设置有凹槽,所述侧板B的一端设置有销孔,所述侧板C内侧的外侧边处设置有凸块,且侧板C的一端的侧面为圆弧面,圆弧面上设置有销孔,所述侧板C的一端安装在侧板A的凹槽内,通过第一销轴进行连接,所述侧板C的一端安装在侧板B的内部,并通过第二销轴进行连接,所述侧板C的另一端设置有圆柱销头。优选的,所述侧板A、侧板B与侧板C彼此首尾相连构成等边三角形。优选的,所述卡口的长度和宽度与凸块的长度和宽度相等。优选的,所述圆柱销头安装在侧板A一端的内部。优选的,所述侧板B和侧板C的厚度与凹槽的宽度相等。本技术所达到的有益效果是:一种多功能的数学教学用三角板结构简单,不同的侧板之间通过销轴连接,活动方便,并且侧板B和侧板C能够重叠在一起,放置在侧板A内部设置的凹槽内,能够方便携带,或者是充当直尺使用,另外在对物体的长度进行测量时,展开侧板A和侧板B,使得侧板A和侧板B呈180°增加三角板的量程。附图说 ...
【技术保护点】
1.一种多功能的数学教学用三角板,包括侧板A(2)和侧板C(4),其特征在于:所述侧板
【技术特征摘要】
1.一种多功能的数学教学用三角板,包括侧板A(2)和侧板C(4),其特征在于:所述侧板A(2)和侧板B(3)的外侧边上都设置有刻度(1),所述侧板B(3)的背面的内侧边处设置有卡口(5),同时侧板B(3)的内侧设置有凹槽(9),所述侧板B(3)的一端设置有销孔(10),所述侧板C(4)内侧的外侧边处设置有凸块(7),且侧板C(4)的一端的侧面为圆弧面(12),圆弧面(12)上设置有销孔(10),所述侧板C(4)的一端安装在侧板A(2)的凹槽(9)内,通过第一销轴(6)进行连接,所述侧板C(4)的一端安装在侧板B(3)的内部,并通过第二销轴(8)进行...
【专利技术属性】
技术研发人员:冯芳伟,绳玉涛,刘丁姣,张同群,明玲,刘翠玲,王少翔,
申请(专利权)人:冯芳伟,绳玉涛,刘丁姣,张同群,明玲,刘翠玲,王少翔,
类型:新型
国别省市:河南,41
还没有人留言评论。发表了对其他浏览者有用的留言会获得科技券。