# CN204687647U - 一种数学教学用尺 - Google Patents

## Info

Publication number
CN204687647U
CN204687647U CN201520406140.9U CN201520406140U CN204687647U CN 204687647 U CN204687647 U CN 204687647U CN 201520406140 U CN201520406140 U CN 201520406140U CN 204687647 U CN204687647 U CN 204687647U
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CN
China
Prior art keywords
secondary chi
main scale
mathematics teaching
chute
rotating shaft
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Expired - Fee Related
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CN201520406140.9U
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English (en)
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Application filed by 任修敏 filed Critical 任修敏
Priority to CN201520406140.9U priority Critical patent/CN204687647U/zh
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Publication of CN204687647U publication Critical patent/CN204687647U/zh
Expired - Fee Related legal-status Critical Current
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• 241000606706 Chione <angiosperm> Species 0.000 claims abstract description 25
• 238000000034 method Methods 0.000 description 1

## Claims (4)

1.一种数学教学用尺，其特征在于，包括主尺、副尺一和副尺二，所述主尺、副尺一和副尺二一端通过转轴连接，主尺、副尺一和副尺二相互重叠，副尺一位于副尺二和主尺中间，所述转轴上端位于副尺二一侧设有量角圆盘，所述主尺上设有滑槽，滑槽内设有滑块，滑槽和滑块均为中空设置，所述副尺一另外一端为尖角，中心部位设有中心线，中心线一端与副尺一端部尖角的顶点连接，所述副尺二上设有水平仪，主尺、副尺一、副尺二和量角圆盘上均设有刻度值，量角圆盘上设有零度标线，滑块上位于主尺上刻度值的一侧设有指针。
2.根据权利要求1所述的一种数学教学用尺，其特征是：所述转轴位于主尺的一端与主尺固定连接。
3.根据权利要求1所述的一种数学教学用尺，其特征是：所述主尺的长度大于副尺一的长度，副尺一的长度大于副尺二的长度。
4.根据权利要求1所述的一种数学教学用尺，其特征是：所述量角圆盘与转轴固定连接，零度标线与主尺的中心线重合。
CN201520406140.9U 2015-06-12 2015-06-12 一种数学教学用尺 Expired - Fee Related CN204687647U (zh)

## Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520406140.9U CN204687647U (zh) 2015-06-12 2015-06-12 一种数学教学用尺

## Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520406140.9U CN204687647U (zh) 2015-06-12 2015-06-12 一种数学教学用尺

## Publications (1)

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CN204687647U true CN204687647U (zh) 2015-10-07

# Family

## Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520406140.9U Expired - Fee Related CN204687647U (zh) 2015-06-12 2015-06-12 一种数学教学用尺

## Country Status (1)

CN (1) CN204687647U (zh)

## Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108357250A (zh) * 2018-02-22 2018-08-03 黄河科技学院 一种基础数学用教具

## Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108357250A (zh) * 2018-02-22 2018-08-03 黄河科技学院 一种基础数学用教具
CN108357250B (zh) * 2018-02-22 2019-12-31 黄河科技学院 一种基础数学用教具

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

Granted publication date: 20151007

Termination date: 20160612