CN203149933U - 一种数学教学用角度尺 - Google Patents

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Publication number
CN203149933U
CN203149933U CN 201320182094 CN201320182094U CN203149933U CN 203149933 U CN203149933 U CN 203149933U CN 201320182094 CN201320182094 CN 201320182094 CN 201320182094 U CN201320182094 U CN 201320182094U CN 203149933 U CN203149933 U CN 203149933U
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CN 201320182094
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• 230000000875 corresponding Effects 0.000 abstract description 4
• 238000000034 method Methods 0.000 description 1
• 230000004048 modification Effects 0.000 description 1
• 238000006011 modification reaction Methods 0.000 description 1

Claims (2)

1.一种数学教学用角度尺，其特征在于，所述数学教学用角度尺包括直角尺，所述直角尺包括水平尺和竖直尺，所述水平尺上设有沿其长度方向延伸的水平滑槽，所述水平滑槽内通过第一铰链铰接有第一滑动尺，所述竖直尺上设有沿其长度方向延伸的竖直滑槽，所述竖直滑槽和所述水平滑槽相连通，所述竖直滑槽内通过第二铰链铰接有第二滑动尺，所述第一滑动尺上设有沿其长度方向延伸的第一滑动尺滑槽，所述第二滑动尺上设有沿其长度方向延伸的第二滑动尺滑槽，所述第一滑动尺和所述第二滑动尺通过第三铰链铰接在一起，所述第三铰链位于所述第一滑动尺滑槽和所述第二滑动尺滑槽内，所述直角尺和所述第一滑动尺以及第二滑动尺的内侧均设有刻线。
2.如权利要求1所述的数学教学用角度尺，其特征在于，所述水平尺和所述竖直尺的结合处固定设有量角器。
CN 201320182094 2013-04-12 2013-04-12 一种数学教学用角度尺 Expired - Fee Related CN203149933U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320182094 CN203149933U (zh) 2013-04-12 2013-04-12 一种数学教学用角度尺

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Application Number Priority Date Filing Date Title
CN 201320182094 CN203149933U (zh) 2013-04-12 2013-04-12 一种数学教学用角度尺

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CN203149933U true CN203149933U (zh) 2013-08-21

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104647997A (zh) * 2015-03-15 2015-05-27 田元元 一种方便调整尺寸的矩形绘图工具
CN104827809A (zh) * 2015-04-14 2015-08-12 四川师范大学 一种透视尺及其实现方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104647997A (zh) * 2015-03-15 2015-05-27 田元元 一种方便调整尺寸的矩形绘图工具
CN104827809A (zh) * 2015-04-14 2015-08-12 四川师范大学 一种透视尺及其实现方法

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Granted publication date: 20130821

Termination date: 20140412