WO2015169079A1 - Figure change demonstration device for surfaces rotating to form solids - Google Patents

Figure change demonstration device for surfaces rotating to form solids Download PDF

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Publication number
WO2015169079A1
WO2015169079A1 PCT/CN2014/091212 CN2014091212W WO2015169079A1 WO 2015169079 A1 WO2015169079 A1 WO 2015169079A1 CN 2014091212 W CN2014091212 W CN 2014091212W WO 2015169079 A1 WO2015169079 A1 WO 2015169079A1
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Prior art keywords
hole
graphic
fixed column
fixed
demonstration
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PCT/CN2014/091212
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French (fr)
Chinese (zh)
Inventor
崔群
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崔群
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Publication of WO2015169079A1 publication Critical patent/WO2015169079A1/en

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
    • G09B23/04—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics for geometry, trigonometry, projection or perspective

Definitions

  • the present invention relates to a teaching apparatus, and more particularly to a graphic change demonstrator for face-to-face formation.
  • the technical problem to be solved by the present invention is to provide a graphical change demonstrator for face-to-face formation, which is reasonable in design, convenient to use, and easy to use.
  • the technical problem to be solved by the present invention is achieved by the following technical solutions.
  • the present invention is a graphic change demonstrator for face-to-face formation, which is characterized in that it comprises a demonstration stand, which is arranged side by side on the demonstration stand.
  • each of the fixed columns is vertically provided with a through hole
  • the demonstration stand is provided with a positioning groove corresponding to the through hole
  • a vertical rotating shaft is arranged in the through hole
  • the vertical rotating shaft is arranged The lower end is disposed in the positioning groove of the demonstration table, and the upper end of the vertical rotating shaft is provided with an upper fork port for clamping the graphic piece body, and the vertical rotating shaft in the fixing column is provided with two reversely wound pulling wires, one end of the pulling wire Fixed on the vertical shaft, the other end of the cable is placed outside the fixed column through the wire hole on the fixed column.
  • the technical problem to be solved by the present invention can be further achieved by the following technical solution.
  • the axis of the wire hole is perpendicular to the axis of the fixed column. Settings.
  • the spacing between the adjacent fixed columns is 5 cm to 8 cm.
  • the hole diameter of the wire hole is 0.8 mm to 1.2 mm.
  • the technical problem to be solved by the present invention can be further achieved by the following technical solution.
  • the height of the upper fork is greater than the height of the graphic sheet. Half of it.
  • the invention Compared with the prior art, the invention has the advantages of simple structure, convenient operation and intuitive presentation effect, which is beneficial to improving students' interest in learning, making the problem easy to understand and easy to find.
  • 1 is a schematic view showing the structure of the present invention.
  • Embodiment 1 referring to FIG. 1, a graphic change demonstrator for face-to-face formation, comprising a demonstration stand 1 on which a plurality of fixed columns 2 arranged upwardly are arranged side by side, each fixed column 2
  • the center of the center is vertically provided with a through hole 3, and the demonstration stand 1 is provided with a positioning groove 4 corresponding to the through hole 3, and a vertical rotating shaft 5 is disposed in the through hole 3, and the lower end of the vertical rotating shaft 5 is disposed on the demonstration stage
  • the upper end of the vertical rotating shaft 5 is provided with an upper fork opening 6 for clamping the graphic sheet body 7.
  • the vertical rotating shaft 5 in the fixing column 2 is provided with two reversely wound pulling wires 9 in the positioning groove 4. One end of the pull wire 9 is fixed on the vertical rotating shaft 5, and the other end of the pull wire 9 is fixed on the fixed hole 2 through the wire hole 8 of the column Set the column 2 outside.
  • Embodiment 2 In the graphic change demonstrator for face-lifting embodiment described in Embodiment 1, the end of the pull wire 9 outside the fixing post 2 is provided with a pull ring 10.
  • Embodiment 3 In the pattern change demonstrator for face-to-face formation described in Embodiment 1, the axis of the wire hole 8 is perpendicular to the axis of the fixed column 2.
  • Embodiment 4 in the graphic change demonstrator for face-to-face formation described in Embodiment 1, the adjacent fixed column
  • the spacing between 2 is 5 cm.
  • Embodiment 5 In the pattern change demonstrator for face-lifting body described in Embodiment 1, the spacing between the adjacent fixing posts 2 is 8 cm.
  • Embodiment 6 In the pattern change demonstrator for face-to-face formation described in Embodiment 1, the hole diameter of the wire hole 8 is 0.8 mm.
  • Embodiment 7 in the pattern change demonstrator for face-to-face formation described in Embodiment 1, the hole diameter of the wire hole 8 is 1.2 mm.
  • Embodiment 8 In the pattern change demonstrator for face-to-face formation described in Embodiment 1, the height of the upper fork 6 is greater than half of the height of the pattern sheet 7.
  • the demonstration stand 1 is provided with a plurality of fixing columns 2, which can simultaneously demonstrate the appearance of the three-dimensional graphics formed by the rotation of the different planar patterns around the vertical rotating shaft 5; and the two pulling wires 9 of the reversely wound vertical rotating shaft 5 can be The winding and release of the pull wire 9 alternately, so that the experiment can be carried out continuously, saving time and trouble, and helping the students to understand; setting the proper spacing between the fixed columns 2 to ensure that the individual figures are independently rotated and undisturbed, making the presentation clearer.
  • the height of the upper fork 6 is greater than half of the height of the graphic sheet 7, preventing the graphic sheet 7 from being rotated around the vertical rotating shaft 5, so that the graphic sheet 7 can be better clamped.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
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  • Business, Economics & Management (AREA)
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Abstract

A figure change demonstration device for surfaces rotating to form solids, comprising a demonstration platform (1) on which a plurality of fixing columns (2) is positioned upwards side by side. The center of each fixing column (2) is vertically provided with a through hole (3). The demonstration platform (1) is provided with positioning grooves (4) corresponding to the through holes (3). Vertical rotation shafts (5) are provided in the through holes (3). The lower ends of the vertical rotation shafts (5) are provided in the positioning grooves (4) of the demonstration platform (1). The upper end of each vertical rotation shaft (5) is provided with an upper fork opening (6) for clamping a figure sheet body (7). The vertical rotation shaft (5) in each fixing column (2) is provided with two pull lines (9) that are wound reversely. One end of each pull line (9) is fixed on the vertical rotation shaft (5) and the other end of the pull line (9) is provided outside the fixing column (2) through a line guide hole (8) on the column body of the fixing column (2). The figure change demonstration device is simple in structure, easy in operation, direct in vision, and beneficial for improving learning interest of students, and enables the problem to be simple and understandable and easy to find out rules.

Description

发明名称：用于面动成体的图形变化演示器 技术领域  Title of Invention: Graphic Change Demonstrator for Face-Mounting Adults
[0001] 本发明涉及一种教学设备， 特别涉及一种用于面动成体的图形变化演示器。  [0001] The present invention relates to a teaching apparatus, and more particularly to a graphic change demonstrator for face-to-face formation.
背景技术  Background technique
[0002] 在现有数学教研中， 通常老师都会通过模型的演示来加强学生的理解能力， 现 有数学模型或演示器多种多样， 但还没有一个能用于探究一个平面图形绕某个 转轴旋转一周所成立体图形问题的探究。  [0002] In the existing mathematics teaching and research, teachers usually use the demonstration of the model to enhance students' understanding. There are many kinds of existing mathematical models or demonstrators, but none of them can be used to explore a plane graphic around a certain axis. The exploration of the body figure problem established by one rotation.
技术问题  technical problem
[0003] 本发明所要解决的技术问题是针对现有技术的不足， 提供一种设计合理， 使用 方便， 体验面动成体这一现象， 用于面动成体的图形变化演示器。  [0003] The technical problem to be solved by the present invention is to provide a graphical change demonstrator for face-to-face formation, which is reasonable in design, convenient to use, and easy to use.
问题的解决方案  Problem solution
技术解决方案  Technical solution
[0004] 本发明所要解决的技术问题是通过以下的技术方案来实现的， 本发明是一种用 于面动成体的图形变化演示器， 其特点是， 包括演示台， 演示台上并排设有若 干个向上设置的固定柱， 每个固定柱的中心均竖向设有通孔， 演示台上设有与 通孔相对应的定位槽， 在通孔内设有竖向转轴， 竖向转轴的下端设在演示台的 定位槽内， 竖向转轴的上端设有夹住图形片体的上叉口， 所述固定柱内的竖向 转轴上设有两根反向缠绕的拉线， 拉线的一端固定在竖向转轴上， 拉线的另一 端通过固定柱柱体上的导线孔设在固定柱外。  [0004] The technical problem to be solved by the present invention is achieved by the following technical solutions. The present invention is a graphic change demonstrator for face-to-face formation, which is characterized in that it comprises a demonstration stand, which is arranged side by side on the demonstration stand. a plurality of fixed columns arranged upwardly, each of the fixed columns is vertically provided with a through hole, the demonstration stand is provided with a positioning groove corresponding to the through hole, and a vertical rotating shaft is arranged in the through hole, and the vertical rotating shaft is arranged The lower end is disposed in the positioning groove of the demonstration table, and the upper end of the vertical rotating shaft is provided with an upper fork port for clamping the graphic piece body, and the vertical rotating shaft in the fixing column is provided with two reversely wound pulling wires, one end of the pulling wire Fixed on the vertical shaft, the other end of the cable is placed outside the fixed column through the wire hole on the fixed column.
[0005] 本发明所要解决的技术问题还可以通过以下的技术方案来进一步实现， 在以上 所述的用于面动成体的图形变化演示器中： 所述固定柱外的拉线端部设有拉环  [0005] The technical problem to be solved by the present invention can be further achieved by the following technical solution. In the above-mentioned graphic change demonstrator for face-to-face formation, the wire end of the fixed column is provided with a pull. Ring
[0006] 本发明所要解决的技术问题还可以通过以下的技术方案来进一步实现， 在以上 所述的用于面动成体的图形变化演示器中： 所述导线孔的轴线与固定柱的轴线 垂直设置。 [0006] The technical problem to be solved by the present invention can be further achieved by the following technical solution. In the above-mentioned graphic change demonstrator for face-to-face formation, the axis of the wire hole is perpendicular to the axis of the fixed column. Settings.
[0007] 本发明所要解决的技术问题还可以通过以下的技术方案来进一步实现， 在以上 所述的用于面动成体的图形变化演示器中： 所述相邻固定柱之间的间距为 5cm〜 8cm。 [0007] The technical problem to be solved by the present invention can be further achieved by the following technical solutions, In the graphic change demonstrator for face-to-face formation, the spacing between the adjacent fixed columns is 5 cm to 8 cm.
[0008] 本发明所要解决的技术问题还可以通过以下的技术方案来进一步实现， 在以上 所述的用于面动成体的图形变化演示器中： 所述导线孔的孔径为 0.8mm〜1.2mm  [0008] The technical problem to be solved by the present invention can be further achieved by the following technical solution. In the above-mentioned graphic change demonstrator for face-to-face formation, the hole diameter of the wire hole is 0.8 mm to 1.2 mm.
[0009] 本发明所要解决的技术问题还可以通过以下的技术方案来进一步实现， 在以上 所述的用于面动成体的图形变化演示器中： 所述上叉口的高度大于图形片体高 度的一半。 [0009] The technical problem to be solved by the present invention can be further achieved by the following technical solution. In the above-mentioned graphic change demonstrator for face-to-face formation, the height of the upper fork is greater than the height of the graphic sheet. Half of it.
发明的有益效果  Advantageous effects of the invention
有益效果  Beneficial effect
[0010] 与现有技术相比， 本发明结构简单， 操作方便， 演示效果直观形象， 有利于提 高学生的学习兴趣， 使得问题变得浅显易懂， 易于发现规律。  Compared with the prior art, the invention has the advantages of simple structure, convenient operation and intuitive presentation effect, which is beneficial to improving students' interest in learning, making the problem easy to understand and easy to find.
对附图的简要说明  Brief description of the drawing
附图说明  DRAWINGS
[0011] 图 1是本发明的结构示意图。  1 is a schematic view showing the structure of the present invention.
实施该发明的最佳实施例  BEST MODE FOR CARRYING OUT THE INVENTION
本发明的最佳实施方式  BEST MODE FOR CARRYING OUT THE INVENTION
[0012] 以下参照附图， 进一步描述本发明的具体技术方案， 以便于本领域的技术人员 进一步地理解本发明， 而不构成对其权利的限制。  [0012] The specific technical solutions of the present invention are further described below with reference to the accompanying drawings, so that those skilled in the art can further understand the present invention and do not limit the rights thereof.
本发明的实施方式 Embodiments of the invention
[0013] 实施例 1， 参照图 1， 一种用于面动成体的图形变化演示器， 包括演示台 1， 演 示台 1上并排设有若干个向上设置的固定柱 2， 每个固定柱 2的中心均竖向设有通 孔 3， 演示台 1上设有与通孔 3相对应的定位槽 4， 在通孔 3内设有竖向转轴 5， 竖 向转轴 5的下端设在演示台 1的定位槽 4内， 竖向转轴 5的上端设有夹住图形片体 7 的上叉口 6， 所述固定柱 2内的竖向转轴 5上设有两根反向缠绕的拉线 9， 拉线 9的 一端固定在竖向转轴 5上， 拉线 9的另一端通过固定柱 2柱体上的导线孔 8设在固 定柱 2外。 [0013] Embodiment 1, referring to FIG. 1, a graphic change demonstrator for face-to-face formation, comprising a demonstration stand 1 on which a plurality of fixed columns 2 arranged upwardly are arranged side by side, each fixed column 2 The center of the center is vertically provided with a through hole 3, and the demonstration stand 1 is provided with a positioning groove 4 corresponding to the through hole 3, and a vertical rotating shaft 5 is disposed in the through hole 3, and the lower end of the vertical rotating shaft 5 is disposed on the demonstration stage The upper end of the vertical rotating shaft 5 is provided with an upper fork opening 6 for clamping the graphic sheet body 7. The vertical rotating shaft 5 in the fixing column 2 is provided with two reversely wound pulling wires 9 in the positioning groove 4. One end of the pull wire 9 is fixed on the vertical rotating shaft 5, and the other end of the pull wire 9 is fixed on the fixed hole 2 through the wire hole 8 of the column Set the column 2 outside.
[0014] 实施例 2， 实施例 1所述的用于面动成体的图形变化演示器中： 所述固定柱 2外 的拉线 9端部设有拉环 10。  [0014] Embodiment 2 In the graphic change demonstrator for face-lifting embodiment described in Embodiment 1, the end of the pull wire 9 outside the fixing post 2 is provided with a pull ring 10.
[0015] 实施例 3， 实施例 1所述的用于面动成体的图形变化演示器中： 所述导线孔 8的 轴线与固定柱 2的轴线垂直设置。 [0015] Embodiment 3 In the pattern change demonstrator for face-to-face formation described in Embodiment 1, the axis of the wire hole 8 is perpendicular to the axis of the fixed column 2.
[0016] 实施例 4， 实施例 1所述的用于面动成体的图形变化演示器中： 所述相邻固定柱[0016] Embodiment 4, in the graphic change demonstrator for face-to-face formation described in Embodiment 1, the adjacent fixed column
2之间的间距为 5cm。 The spacing between 2 is 5 cm.
[0017] 实施例 5， 实施例 1所述的用于面动成体的图形变化演示器中： 所述相邻固定柱 2之间的间距为 8cm。  [0017] Embodiment 5: In the pattern change demonstrator for face-lifting body described in Embodiment 1, the spacing between the adjacent fixing posts 2 is 8 cm.
[0018] 实施例 6， 实施例 1所述的用于面动成体的图形变化演示器中： 所述导线孔 8的 孔径为 0.8mm。  [0018] Embodiment 6 In the pattern change demonstrator for face-to-face formation described in Embodiment 1, the hole diameter of the wire hole 8 is 0.8 mm.
[0019] 实施例 7， 实施例 1所述的用于面动成体的图形变化演示器中： 所述导线孔 8的 孔径为 1.2mm。  [0019] Embodiment 7, in the pattern change demonstrator for face-to-face formation described in Embodiment 1, the hole diameter of the wire hole 8 is 1.2 mm.
[0020] 实施例 8， 实施例 1所述的用于面动成体的图形变化演示器中： 所述上叉口 6的 高度大于图形片体 7高度的一半。  [0020] Embodiment 8 In the pattern change demonstrator for face-to-face formation described in Embodiment 1, the height of the upper fork 6 is greater than half of the height of the pattern sheet 7.
[0021] 演示台 1上设多个固定柱 2， 可以同吋演示不同平面图形绕竖向转轴 5旋转所形 成的立体图形的样子； 设两根反向缠绕竖向转轴 5的拉线 9， 可以交替缠绕和释 放拉线 9， 使得实验能够连续进行， 省吋省事， 又有助于学生的理解； 固定柱 2 之间设置合适的间距， 保证各个图形在独立旋转吋不受干扰， 使得演示更加清 晰； 所述上叉口 6的高度大于图形片体 7高度的一半， 防止图形片体 7在围绕竖向 转轴 5旋转吋甩出去， 可以更好的夹紧图形片体 7。  [0021] The demonstration stand 1 is provided with a plurality of fixing columns 2, which can simultaneously demonstrate the appearance of the three-dimensional graphics formed by the rotation of the different planar patterns around the vertical rotating shaft 5; and the two pulling wires 9 of the reversely wound vertical rotating shaft 5 can be The winding and release of the pull wire 9 alternately, so that the experiment can be carried out continuously, saving time and trouble, and helping the students to understand; setting the proper spacing between the fixed columns 2 to ensure that the individual figures are independently rotated and undisturbed, making the presentation clearer. The height of the upper fork 6 is greater than half of the height of the graphic sheet 7, preventing the graphic sheet 7 from being rotated around the vertical rotating shaft 5, so that the graphic sheet 7 can be better clamped.
[0022]  [0022]

Claims

权利要求书 claims
[权利要求 1] 一种用于面动成体的图形变化演示器， 其特征在于： 包括演示台 ， 演示台上并排设有若干个向上设置的固定柱， 每个固定柱的中 心均竖向设有通孔， 演示台上设有与通孔相对应的定位槽， 在通 孔内设有竖向转轴， 竖向转轴的下端设在演示台的定位槽内， 固 定柱上方的竖向转轴上端设有夹住图形片体的上叉口， 所述固定 柱内的竖向转轴上设有两根反向缠绕的拉线， 拉线的一端固定在 竖向转轴上， 拉线的另一端通过固定柱柱体上的导线孔设在固定 柱外。 [Claim 1] A graphic change demonstrator for facial movement, characterized in that: it includes a demonstration table, and a number of fixed columns arranged upward are arranged side by side on the demonstration table, and the center of each fixed column is vertically arranged. There is a through hole, and the demonstration platform is provided with a positioning slot corresponding to the through hole. A vertical rotating shaft is provided in the through hole. The lower end of the vertical rotating shaft is located in the positioning slot of the demonstration platform. The upper end of the vertical rotating shaft above the fixed column is There is an upper fork for clamping the graphic sheet body, and two reversely wound pull wires are provided on the vertical shaft in the fixed column. One end of the pull wire is fixed on the vertical shaft, and the other end of the pull wire passes through the fixed column. The wire holes on the body are located outside the fixed posts.
[权利要求 2] 根据权利要求 1所述的用于面动成体的图形变化演示器， 其特征在 于： 所述固定柱外的拉线端部设有拉环。 [Claim 2] The graphic change demonstrator for facial motion adult according to claim 1, characterized in that: the end of the pull wire outside the fixed column is provided with a pull ring.
[权利要求 3] 根据权利要求 1所述的用于面动成体的图形变化演示器， 其特征在 于： 所述导线孔的轴线与固定柱的轴线垂直设置。 [Claim 3] The graphic change demonstrator for facial motion adult according to claim 1, characterized in that: the axis of the wire hole is arranged perpendicularly to the axis of the fixed column.
[权利要求 4] 根据权利要求 1所述的用于面动成体的图形变化演示器， 其特征在 于： 所述相邻固定柱之间的间距为 5cm〜8cm。 [Claim 4] The graphic change demonstrator for facial motion adult according to claim 1, characterized in that: the distance between adjacent fixed columns is 5cm~8cm.
[权利要求 5] 根据权利要求 1所述的用于面动成体的图形变化演示器， 其特征在 于： 所述导线孔的孔径为 0.8mm〜1.2mm。 [Claim 5] The pattern change demonstrator for facial motion adult according to claim 1, characterized in that: the aperture of the wire hole is 0.8mm~1.2mm.
[权利要求 6] 根据权利要求 1所述的用于面动成体的图形变化演示器， 其特征在 于： 所述上叉口的高度大于图形片体高度的一半。 [Claim 6] The graphic change demonstrator for facial motion adult body according to claim 1, characterized in that: the height of the upper fork is greater than half of the height of the graphic sheet.
PCT/CN2014/091212 2014-05-08 2014-11-15 Figure change demonstration device for surfaces rotating to form solids WO2015169079A1 (en)

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CN201410192309.5A CN105096700A (en) 2014-05-08 2014-05-08 Figure change demonstration device for forming of entity through movement of plane

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108198490A (en) * 2017-12-29 2018-06-22 佛山杰致信息科技有限公司 It is a kind of tiltedly to throw and movement of falling object contrast teaching instrument
CN108831262A (en) * 2018-06-15 2018-11-16 北京优如兰文化发展有限责任公司 Architectural mathematics thinking ability training aid and its application method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5651679A (en) * 1995-09-27 1997-07-29 Altman; Frederick Jerome Virtual polyhedra models
CN2590093Y (en) * 2002-12-30 2003-12-03 黄蕾 Teaching aid for demonstrating revolving solid by plane
JP2008040440A (en) * 2006-08-09 2008-02-21 Toshihiko Osakabe Changing rectangular solid
CN201159951Y (en) * 2008-02-04 2008-12-03 杜平 Mathematical pendulum vibration image demonstration instrument
CN101777277A (en) * 2009-01-09 2010-07-14 上海市嘉定区迎园中学 Wall-mounted three-dimensional figure generating demo board
CN203149931U (en) * 2013-04-08 2013-08-21 任志成 Translation-type simulated solid geometry model
CN203825885U (en) * 2014-05-08 2014-09-10 崔群 Figure change demonstration device for surfaces moving to form bodies

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5651679A (en) * 1995-09-27 1997-07-29 Altman; Frederick Jerome Virtual polyhedra models
CN2590093Y (en) * 2002-12-30 2003-12-03 黄蕾 Teaching aid for demonstrating revolving solid by plane
JP2008040440A (en) * 2006-08-09 2008-02-21 Toshihiko Osakabe Changing rectangular solid
CN201159951Y (en) * 2008-02-04 2008-12-03 杜平 Mathematical pendulum vibration image demonstration instrument
CN101777277A (en) * 2009-01-09 2010-07-14 上海市嘉定区迎园中学 Wall-mounted three-dimensional figure generating demo board
CN203149931U (en) * 2013-04-08 2013-08-21 任志成 Translation-type simulated solid geometry model
CN203825885U (en) * 2014-05-08 2014-09-10 崔群 Figure change demonstration device for surfaces moving to form bodies

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* Cited by examiner, † Cited by third party
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CN108198490A (en) * 2017-12-29 2018-06-22 佛山杰致信息科技有限公司 It is a kind of tiltedly to throw and movement of falling object contrast teaching instrument
CN108831262A (en) * 2018-06-15 2018-11-16 北京优如兰文化发展有限责任公司 Architectural mathematics thinking ability training aid and its application method
CN108831262B (en) * 2018-06-15 2020-03-17 北京优如兰文化发展有限责任公司 Building mathematics thinking ability training teaching aid and use method thereof

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