CN203385355U - 一种大学数学教学用的实验教具 - Google Patents

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Publication number
CN203385355U
CN203385355U CN201320276065.XU CN201320276065U CN203385355U CN 203385355 U CN203385355 U CN 203385355U CN 201320276065 U CN201320276065 U CN 201320276065U CN 203385355 U CN203385355 U CN 203385355U
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CN
China
Prior art keywords
ruler
disc
teaching aid
teaching
angle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320276065.XU
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English (en)
Inventor

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heilongjiang University of Science and Technology
Original Assignee
Heilongjiang University of Science and Technology
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Priority to CN201320276065.XU priority Critical patent/CN203385355U/zh
Application granted granted Critical
Publication of CN203385355U publication Critical patent/CN203385355U/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Landscapes

• Length-Measuring Instruments Using Mechanical Means (AREA)

Claims (1)

1.一种大学数学教学用的实验教具，是由圆盘和直尺构成，其特征在于圆盘(1)的圆周设有角度刻度(2)，在其水平端设有与其连接为一体的直尺(3)；所述的圆盘(1)其中心开有透孔(4)，透孔(4)边缘设有与圆盘(1)相垂直的柱形筒(6)，旋转标尺(5)的一端设有透孔并卡套于柱形筒(6)上，柱形筒(6)的边沿设有卡台(7)；在旋转标尺(5)的尾端设有弹性卡夹(8)。
CN201320276065.XU 2013-05-20 2013-05-20 一种大学数学教学用的实验教具 Expired - Fee Related CN203385355U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320276065.XU CN203385355U (zh) 2013-05-20 2013-05-20 一种大学数学教学用的实验教具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320276065.XU CN203385355U (zh) 2013-05-20 2013-05-20 一种大学数学教学用的实验教具

Publications (1)

Publication Number Publication Date
CN203385355U true CN203385355U (zh) 2014-01-08

Family

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320276065.XU Expired - Fee Related CN203385355U (zh) 2013-05-20 2013-05-20 一种大学数学教学用的实验教具

Country Status (1)

CN (1) CN203385355U (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109631709A (zh) * 2018-12-10 2019-04-16 淄博职业学院 一种便于携带的平面设计用测量装置
CN110834487A (zh) * 2018-08-17 2020-02-25 成都济业教学设备有限公司 教学用多功能环形量角尺

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110834487A (zh) * 2018-08-17 2020-02-25 成都济业教学设备有限公司 教学用多功能环形量角尺
CN109631709A (zh) * 2018-12-10 2019-04-16 淄博职业学院 一种便于携带的平面设计用测量装置

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Legal Events

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140108

Termination date: 20160520