CN204390554U - A kind of geometry teaching aid - Google Patents

A kind of geometry teaching aid Download PDF

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CN204390554U
CN204390554U CN201420867494.9U CN201420867494U CN204390554U CN 204390554 U CN204390554 U CN 204390554U CN 201420867494 U CN201420867494 U CN 201420867494U CN 204390554 U CN204390554 U CN 204390554U
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magnetic
cross bar
bar
boards
rods
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项洋
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Suzhou University
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Abstract

本实用新型提出一种几何教具,包括黑板、两根支撑杆、两块活塞、两个轴承、两根L形杆、横杆、若干块磁性拼图板及磁性板。两根支撑杆呈水平放置,两根支撑杆上都设有一个开口导轨槽及若干个定位杆,两块活塞分别设置在两个开口导轨槽中。横杆一端固定在一块活塞上,横杆另一端固定在另一块活塞上。每一根L形杆上平行于横杆一端穿过一个开口导轨槽与一个轴承一侧相连,轴承另一侧与一个活塞相连。每一根L形杆上垂直于横杆一端上设置有与定位杆卡合的卡扣。黑板的上边缘悬挂在横杆上,磁性板两端分别固定在两根支撑杆上,若干块磁性拼图板吸附在磁性板表面。本实用新型的优点在于:结构简单,使用方便,将知识点的讲解和几何图形的演示相统一。

The utility model provides a geometric teaching aid, which comprises a blackboard, two support rods, two pistons, two bearings, two L-shaped rods, a cross bar, several magnetic puzzle boards and magnetic boards. The two support rods are placed horizontally, and an open guide rail groove and a plurality of positioning rods are arranged on the two support rods, and the two pistons are respectively arranged in the two open guide rail grooves. One end of the cross bar is fixed on a piston, and the other end of the cross bar is fixed on another piston. One end of each L-shaped bar parallel to the cross bar passes through an open guide rail groove and is connected with one side of a bearing, and the other side of the bearing is connected with a piston. One end of each L-shaped bar perpendicular to the cross bar is provided with a buckle engaged with the positioning bar. The upper edge of the blackboard is suspended on the crossbar, the two ends of the magnetic board are respectively fixed on two supporting rods, and several magnetic puzzle boards are adsorbed on the surface of the magnetic board. The utility model has the advantages of simple structure and convenient use, and unifies the explanation of knowledge points and the demonstration of geometric figures.

Description

一种几何教具a geometry teaching aid

技术领域technical field

本实用新型涉及一种教具,尤其涉及一种几何教具。The utility model relates to a teaching aid, in particular to a geometric teaching aid.

背景技术Background technique

教师在教授几何课时,为了更加直观的向学生们阐述所要授予的知识点,通常需要携带各种形状的几何板进行演示。教师通过用手将几何板固定在黑板上来完成几何图形演示过程。但是,这种几何板存在一些局限性,教师通常只能用这种几何板演示简单的几何图形,对于一些复杂的几何图形,用这种几何板就不容易演示。目前,解决这种问题的方案是提供一种磁性装置演示几何图形,如专利文献公告为CN2367355Y的磁性活动拼图板。但是,这类磁性装置只能单独演示几何图形,却不能达到对照知识点进行几何图形讲解的效果。When teaching geometry, teachers usually need to carry geometric boards of various shapes for demonstration in order to explain the knowledge points to be imparted to students more intuitively. The teacher completes the geometry demonstration process by fixing the geometry board on the blackboard by hand. However, this geometry board has some limitations. Teachers usually can only use this geometry board to demonstrate simple geometric figures. For some complex geometric figures, it is not easy to demonstrate with this geometry board. At present, the solution to this problem is to provide a magnetic device to demonstrate geometric figures, such as the magnetic activity jigsaw puzzle CN2367355Y disclosed in the patent literature. However, this type of magnetic device can only demonstrate geometric figures alone, but cannot achieve the effect of explaining geometric figures in comparison with knowledge points.

实用新型内容Utility model content

根据当前技术的这一缺陷,本实用新型旨在提供一种结构简单、使用方便,节约空间,可以进行复杂几何图形的演示,将知识点的讲解和几何图形的演示相统一的几何教具。According to this defect of the current technology, the utility model aims to provide a geometric teaching aid which is simple in structure, easy to use, saves space, can demonstrate complex geometric figures, and unifies the explanation of knowledge points and the demonstration of geometric figures.

本实用新型采用以下技术方案解决上述技术问题的:一种几何教具,包括支架、黑板、磁性拼图装置。所述支架包括两根支撑杆、两块活塞、两个轴承、两根L形杆及横杆。所述两根支撑杆呈水平放置,所述两根支撑杆上都设有一个开口导轨槽及若干个定位杆,所述若干定位杆的一端均固定在与其对应的支撑杆上,所述若干定位杆的另一端均能与所述L形杆卡合。所述两块活塞分别设置在两个所述开口导轨槽中。所述横杆的两端分别固定在两块所述活塞的一侧,而两块所述活塞的另一侧分别设置两个所述轴承。当需要固定所述黑板时,将每一根L形杆平行于所述横杆的一端分别安装在两个所述轴承中,将每一根L形杆垂直于所述横杆的一端分别面向所述定位杆的方向旋转,并卡合在距离所述L形杆最近的所述定位杆上。当需要上下移动所述黑板时,将每一根L形杆均从所述横杆上取出,通过移动所述横杆,实现所述黑板的运动。所述黑板的上边缘悬挂在所述横杆上。所述磁性拼图装置包括若干块磁性拼图板和磁性板,所述磁性板的两端分别固定在所述两根支撑杆上,所述若干块磁性拼图板吸附在所述磁性板表面。The utility model adopts the following technical solutions to solve the above-mentioned technical problems: a geometric teaching aid, including a bracket, a blackboard, and a magnetic jigsaw puzzle device. The support includes two support rods, two pistons, two bearings, two L-shaped rods and a cross bar. The two support rods are placed horizontally, and the two support rods are provided with an open rail groove and a plurality of positioning rods. One ends of the plurality of positioning rods are all fixed on the corresponding support rods. The other end of the positioning rod can be engaged with the L-shaped rod. The two pistons are respectively arranged in the two opening guide rail grooves. The two ends of the cross bar are respectively fixed on one side of the two pistons, and the other sides of the two pistons are respectively provided with two bearings. When the blackboard needs to be fixed, one end of each L-shaped bar parallel to the cross bar is installed in the two bearings respectively, and one end of each L-shaped bar perpendicular to the cross bar faces the The direction of the positioning rod is rotated and engaged with the positioning rod closest to the L-shaped rod. When the blackboard needs to be moved up and down, each L-shaped bar is taken out from the cross bar, and the movement of the blackboard is realized by moving the cross bar. The upper edge of the blackboard is suspended from the cross bar. The magnetic puzzle device includes several magnetic puzzle boards and magnetic boards, the two ends of the magnetic boards are respectively fixed on the two support rods, and the several magnetic puzzle boards are adsorbed on the surface of the magnetic boards.

优选地:所述两根支撑杆上的若干个定位杆的数量相等。Preferably: the number of positioning rods on the two supporting rods is equal.

优选地:所述两根支撑杆的位置呈一一水平对应关系。Preferably: the positions of the two support rods are in a one-to-one horizontal correspondence.

优选地:所述若干块磁性拼图板厚度相等。Preferably: the thicknesses of the several magnetic puzzle boards are equal.

优选地:所述若干块磁性拼图板形状各异。Preferably: the several magnetic puzzle boards have different shapes.

本实用新型通过首先在黑板上描述所要教授的几何知识点的概念,然后移动黑板,将黑板与磁性板的位置错开,再根据知识点的内容选取磁性拼图板,再用选取的磁性拼图板在磁性板表面进行图形的演示,达到一边讲解几何知识点一边进行图形演示的目的。同时,本实用新型可以根据所要演示图形的大小,选择黑板与磁性板错开的程度。The utility model first describes the concept of geometric knowledge points to be taught on the blackboard, then moves the blackboard, staggers the positions of the blackboard and the magnetic board, and then selects a magnetic jigsaw board according to the content of the knowledge point, and then uses the selected magnetic jigsaw board in the Graphical demonstration on the surface of the magnetic board achieves the purpose of graphic demonstration while explaining geometric knowledge points. Simultaneously, the utility model can select the degree of staggering between the blackboard and the magnetic board according to the size of the graphics to be demonstrated.

本实用新型的优点在于:结构简单,使用方便,节约空间,可以进行复杂几何图形的演示,将知识点的讲解和几何图形的演示相统一,主要运用于几何教具的应用领域。The utility model has the advantages of simple structure, convenient use, space saving, demonstration of complex geometric figures, unification of explanation of knowledge points and demonstration of geometric figures, and is mainly used in the application field of geometric teaching aids.

附图说明Description of drawings

图1为本实用新型一种几何教具的结构图。Fig. 1 is a structural diagram of a geometric teaching aid of the present invention.

图2为图1中几何教具的局部结构图。Fig. 2 is a partial structural diagram of the geometry teaching aid in Fig. 1 .

具体实施方式Detailed ways

以下结合附图对本实用新型进行详细的描述。Below in conjunction with accompanying drawing, the utility model is described in detail.

如图1-2所示,本实用新型实施例提供一种几何教具,包括支架1、黑板2以及磁性拼图装置3。所述支架1包括两根支撑杆11、两块活塞12、两个轴承13、两根L形杆14以及横杆15。所述两根支撑杆11呈水平放置,所述两根支撑杆11上都设有一个开口导轨槽111以及若干个定位杆112,所述两块活塞12分别设置在两个所述开口导轨槽111中。所述横杆15的一端固定在一个活塞12上,另一端固定在另一个活塞12上。每一根L形杆14上平行于横杆11的一端穿过一个开口导轨槽111与轴承13的一侧相连,轴承13的另一侧与活塞12相连。每一根L形杆14上垂直于横杆15的一端上设置有卡扣16,所述垂直于横杆15的一端通过卡扣16与定位杆112卡合。所述黑板2的上边缘悬挂在横杆15上。所述磁性拼图装置3包括若干块磁性拼图板31和磁性板32。所述磁性板32的两端分贝固定在两根支撑杆11上,所述若干块磁性拼图板31吸附在磁性板32表面。As shown in FIGS. 1-2 , the embodiment of the present invention provides a geometry teaching aid, which includes a bracket 1 , a blackboard 2 and a magnetic puzzle device 3 . The bracket 1 includes two support rods 11 , two pistons 12 , two bearings 13 , two L-shaped rods 14 and a cross bar 15 . The two support rods 11 are placed horizontally, and the two support rods 11 are provided with an open guide rail groove 111 and several positioning rods 112, and the two pistons 12 are respectively arranged in the two open guide rail grooves. 111 in. One end of the cross bar 15 is fixed on one piston 12 , and the other end is fixed on the other piston 12 . One end of each L-shaped bar 14 parallel to the cross bar 11 passes through an open rail groove 111 and is connected to one side of the bearing 13 , and the other side of the bearing 13 is connected to the piston 12 . One end of each L-shaped bar 14 perpendicular to the cross bar 15 is provided with a buckle 16 , and the end perpendicular to the cross bar 15 is engaged with the positioning rod 112 through the buckle 16 . The upper edge of the blackboard 2 is suspended on the cross bar 15 . The magnetic puzzle device 3 includes several magnetic puzzle boards 31 and magnetic boards 32 . The two ends of the magnetic board 32 are decibelly fixed on the two support rods 11 , and the several pieces of magnetic puzzle boards 31 are adsorbed on the surface of the magnetic board 32 .

本实用新型实施例通过在黑板2上描述出所要讲解的几何知识点的内容,然后确定该几何知识点所需要的几何图形,再分析演示该几何图形所需的空间大小,将L形杆14平行于横杆15的一端从轴承13中取出,再通过横杆15向上或者向下运动将黑板2与磁性板32错开。当黑板2与磁性板32的错开的程度满足演示所需空间时,将L形杆14平行于横杆15的一端安装在轴承13中,将L形杆14垂直于横杆15的一端面向定位杆14的方向旋转,并卡合在距离L形杆14最近的定位杆112上,接着根据演示需要选取磁性拼图板31,用选取的磁性拼图板31在磁性板32表面进行几何图形演示,实现几何知识点的讲解和几何图形的演示相统一。The embodiment of the utility model describes the content of the geometric knowledge point to be explained on the blackboard 2, then determines the geometric figure required by the geometric knowledge point, then analyzes and demonstrates the required space of the geometric figure, and the L-shaped bar 14 One end parallel to the cross bar 15 is taken out from the bearing 13, and the blackboard 2 and the magnetic board 32 are staggered by moving the cross bar 15 upwards or downwards. When the degree of staggering between the blackboard 2 and the magnetic board 32 satisfies the required space for the demonstration, one end of the L-shaped bar 14 parallel to the cross bar 15 is installed in the bearing 13, and one end of the L-shaped bar 14 perpendicular to the cross bar 15 is positioned. The direction of the rod 14 is rotated, and it is engaged on the positioning rod 112 closest to the L-shaped rod 14, and then the magnetic puzzle board 31 is selected according to the demonstration needs, and the geometric figure demonstration is performed on the surface of the magnetic board 32 with the magnetic puzzle board 31 selected to realize The explanation of geometric knowledge points and the demonstration of geometric figures are unified.

以上所述仅为本实用新型创造的较佳实施例而已,并不用以限制本实用新型创造,凡在本实用新型创造的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本实用新型创造的保护范围之内。The above descriptions are only preferred embodiments of the utility model creation, and are not intended to limit the utility model creation. Any modifications, equivalent replacements and improvements made within the spirit and principles of the utility model creation should be Included within the scope of protection created by the utility model.

Claims (5)

1.一种几何教具,其特征在于:包括支架、黑板、磁性拼图装置;所述支架包括两根支撑杆、两块活塞、两个轴承、两根L形杆及横杆;所述两根支撑杆呈水平放置,所述两根支撑杆上都设有一个开口导轨槽及若干个定位杆,所述若干定位杆的一端均固定在与其对应的支撑杆上,所述若干定位杆的另一端均能与所述L形杆卡合;所述两块活塞分别设置在两个所述开口导轨槽中;所述横杆的两端分别固定在两块所述活塞的一侧,而两块所述活塞的另一侧分别设置两个所述轴承;当需要固定所述黑板时,将每一根L形杆平行于所述横杆的一端分别安装在两个所述轴承中,将每一根L形杆垂直于所述横杆的一端分别面向所述定位杆的方向旋转,并卡合在距离所述L形杆最近的所述定位杆上;当需要上下移动所述黑板时,将每一根L形杆均从所述横杆上取出,通过移动所述横杆,实现所述黑板的运动;所述黑板的上边缘悬挂在所述横杆上;所述磁性拼图装置包括若干块磁性拼图板和磁性板,所述磁性板的两端分别固定在所述两根支撑杆上,所述若干块磁性拼图板吸附在所述磁性板表面。1. A geometric teaching aid is characterized in that: it comprises a support, a blackboard, and a magnetic jigsaw puzzle; the support comprises two support rods, two pistons, two bearings, two L-shaped bars and a cross bar; the two The support rods are placed horizontally, and the two support rods are provided with an open guide rail groove and a plurality of positioning rods. One end can be engaged with the L-shaped rod; the two pistons are respectively arranged in the two open rail grooves; the two ends of the cross bar are respectively fixed on one side of the two pistons, and the two pistons The other side of the block described piston is provided with two described bearings respectively; One end of each L-shaped bar is perpendicular to the horizontal bar and rotates in the direction facing the positioning bar respectively, and is engaged on the positioning bar closest to the L-shaped bar; when it is necessary to move the blackboard up and down , each L-shaped bar is taken out from the cross bar, and by moving the cross bar, the movement of the blackboard is realized; the upper edge of the blackboard is suspended on the cross bar; the magnetic puzzle device It includes several magnetic puzzle boards and magnetic boards, the two ends of the magnetic boards are respectively fixed on the two support rods, and the several magnetic puzzle boards are adsorbed on the surface of the magnetic boards. 2.根据权利要求1所述的一种几何教具,其特征在于:所述两根支撑杆上的若干个定位杆的数量相等。2. A geometry teaching aid according to claim 1, characterized in that: the number of positioning rods on the two supporting rods is equal. 3.根据权利要求1所述的一种几何教具,其特征在于:所述两根支撑杆的位置呈一一水平对应关系。3. A geometry teaching aid according to claim 1, characterized in that: the positions of the two support rods are in a one-to-one horizontal correspondence. 4.根据权利要求1所述的一种几何教具,其特征在于:所述若干块磁性拼图板厚度相等。4. A geometry teaching aid according to claim 1, characterized in that: said several magnetic puzzle boards have the same thickness. 5.根据权利要求1所述的一种几何教具,其特征在于:所述若干块磁性拼图板形状各异。5. A geometry teaching aid according to claim 1, characterized in that: said several magnetic jigsaw puzzles have different shapes.
CN201420867494.9U 2014-12-31 2014-12-31 A kind of geometry teaching aid Expired - Fee Related CN204390554U (en)

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