# CN202006675U - 数学教具 - Google Patents

## Info

Publication number
CN202006675U
CN202006675U CN2011201391860U CN201120139186U CN202006675U CN 202006675 U CN202006675 U CN 202006675U CN 2011201391860 U CN2011201391860 U CN 2011201391860U CN 201120139186 U CN201120139186 U CN 201120139186U CN 202006675 U CN202006675 U CN 202006675U
Authority
CN
China
Prior art keywords
compasses
teaching aid
protractor
set square
mathematics
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
CN2011201391860U
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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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN2011201391860U priority Critical patent/CN202006675U/zh
Application granted granted Critical
Publication of CN202006675U publication Critical patent/CN202006675U/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

## Claims (3)

1.一种数学教具，它包括三角尺教具(1)，所述三角尺教具(1)安装有手柄(2)，其特征在于：在所述三角尺教具上邻近两直角边处设有倒L形滑槽(3)，它还有一圆规教具(10)，包括圆规定杆(4)和圆规转杆(6)，在所述圆规定杆(4)上一体的设有量角器(8)，所述圆规教具(10)通过转动件(9)安装在所述倒L形滑槽(3)内，所述转动件(9)与所述圆规定杆(4)及圆规转杆(6)的交点和所述量角器(8)的原点重合。
2.根据权利要求1所述的数学教具，其特征在于：在所述圆规定杆(4)的底部设有吸盘(5)，在所述圆规转杆(6)的底部设有插槽(7)。
3.根据权利要求1或2所述的数学教具，其特征在于：所述量角器(8)为半圆环形，其上设有角度刻度。
CN2011201391860U 2011-04-21 2011-04-21 数学教具 Expired - Fee Related CN202006675U (zh)

## Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201391860U CN202006675U (zh) 2011-04-21 2011-04-21 数学教具

## Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201391860U CN202006675U (zh) 2011-04-21 2011-04-21 数学教具

## Publications (1)

Publication Number Publication Date
CN202006675U true CN202006675U (zh) 2011-10-12

# Family

## Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011201391860U Expired - Fee Related CN202006675U (zh) 2011-04-21 2011-04-21 数学教具

## Country Status (1)

CN (1) CN202006675U (zh)

## Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103568664A (zh) * 2013-11-15 2014-02-12 南丹县大厂镇中心小学 三合形状教具
CN105730089A (zh) * 2016-03-31 2016-07-06 李诚智 一种三角板
CN106864121A (zh) * 2017-03-15 2017-06-20 李路平 一种数学教学教具

## Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103568664A (zh) * 2013-11-15 2014-02-12 南丹县大厂镇中心小学 三合形状教具
CN105730089A (zh) * 2016-03-31 2016-07-06 李诚智 一种三角板
CN106864121A (zh) * 2017-03-15 2017-06-20 李路平 一种数学教学教具

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## Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111012

Termination date: 20120421