# CN204398686U - 数学教学辅助教具 - Google Patents

## Info

Publication number
CN204398686U
CN204398686U CN201520096116.XU CN201520096116U CN204398686U CN 204398686 U CN204398686 U CN 204398686U CN 201520096116 U CN201520096116 U CN 201520096116U CN 204398686 U CN204398686 U CN 204398686U
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China
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bridle port
ruler
rope
slide block
locating piece
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Expired - Fee Related
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CN201520096116.XU
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English (en)
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Individual
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Individual
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Priority to CN201520096116.XU priority Critical patent/CN204398686U/zh
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## Landscapes

• Drawing Aids And Blackboards (AREA)

## Claims (2)

1.一种数学教学辅助教具，包括直尺(11)和量角器(2)，其特征在于直尺(11)的零刻度线一端的下方固定有定位块(14)，定位块(14)的下方套接有吸盘(13)，定位块(14)上面设置有绳索孔二(15)，绳索孔二(15)、吸盘(13)的圆心和直尺(11)零刻度线在同一竖直线上，直尺(11)上设置有滑道(6)，滑道(6)内设置有滑块(5)，滑块(5)下方固定有粉笔套一(8)，滑块(5)上面设置有紧固螺母(9)、定位线(16)和绳索孔一(7)，定位线(16)、粉笔套一(8)的轴线和绳索孔一(7)在同一竖直线上，绳索孔一(7)与绳索孔二(15)在同一水平线上，绳索孔一(7)与绳索孔二(15)之间设置有绳索(12)，绳索(12)上设置有可在绳索(12)上滑动的粉笔套二(10)，量角器(2)固定在直尺(11)的两端，量角器(2)内部有一空腔(4)，直尺(11)中部铰接有辅助尺(3)。
2.根据权利要求1所述的数学教学辅助教具，其特征在于量角器(2)上设置有3-5个手指槽(1)。
CN201520096116.XU 2015-02-10 2015-02-10 数学教学辅助教具 Expired - Fee Related CN204398686U (zh)

## Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520096116.XU CN204398686U (zh) 2015-02-10 2015-02-10 数学教学辅助教具

## Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520096116.XU CN204398686U (zh) 2015-02-10 2015-02-10 数学教学辅助教具

## Publications (1)

Publication Number Publication Date
CN204398686U true CN204398686U (zh) 2015-06-17

# Family

## Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520096116.XU Expired - Fee Related CN204398686U (zh) 2015-02-10 2015-02-10 数学教学辅助教具

## Country Status (1)

CN (1) CN204398686U (zh)

## Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106114012A (zh) * 2016-07-29 2016-11-16 咸宁职业技术学院 一种带滑道画圆的教学用三角板

## Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106114012A (zh) * 2016-07-29 2016-11-16 咸宁职业技术学院 一种带滑道画圆的教学用三角板

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## Legal Events

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

Granted publication date: 20150617

Termination date: 20160210

CF01 Termination of patent right due to non-payment of annual fee