# CN205255846U - 一种中学数学用多功能学具 - Google Patents

## Info

Publication number
CN205255846U
CN205255846U CN201521084067.4U CN201521084067U CN205255846U CN 205255846 U CN205255846 U CN 205255846U CN 201521084067 U CN201521084067 U CN 201521084067U CN 205255846 U CN205255846 U CN 205255846U
Authority
CN
China
Prior art keywords
chi
protractor
ruler
positioning
sleeve
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
CN201521084067.4U
Other languages
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 CN201521084067.4U priority Critical patent/CN205255846U/zh
Application granted granted Critical
Publication of CN205255846U publication Critical patent/CN205255846U/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

## Landscapes

• Drawing Aids And Blackboards (AREA)

## Claims (3)

1.一种中学数学用多功能学具，包括量角器，其特征在于，所述量角器的下端连接有直尺，量角器上还设有副尺，副尺的一端开设有圆环状开口，量角器的中心点设有与圆环状开口相卡合的凸起块，凸起块设在直尺的顶部中心处，量角器的下部设有下端尺，下端尺上设有放置副尺的凹槽，直尺与下端尺一体构成，直尺的下部沿尺面设置有定位凸起，定位凸起的左端即直尺的左端设置有定位座，定位座下方设置有定位针；定位凸起上设置有与其滑动连接的滑动座，滑动座上设置有滑动旋钮；滑动旋钮一侧的滑动座上设置有定位套，定位套与滑动座固定连接，定位套中穿有与其滑动连接的粉笔套，定位套上设置有粉笔定位钮。
2.根据权利要求1所述的中学数学用多功能学具，其特征在于，所述粉笔套与定位凸起之间垂直设置。
3.根据权利要求1或2所述的中学数学用多功能学具，其特征在于，所述粉笔套的上端设置有定位线。
CN201521084067.4U 2015-12-23 2015-12-23 一种中学数学用多功能学具 Expired - Fee Related CN205255846U (zh)

## Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521084067.4U CN205255846U (zh) 2015-12-23 2015-12-23 一种中学数学用多功能学具

## Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521084067.4U CN205255846U (zh) 2015-12-23 2015-12-23 一种中学数学用多功能学具

## Publications (1)

Publication Number Publication Date
CN205255846U true CN205255846U (zh) 2016-05-25

# Family

## Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521084067.4U Expired - Fee Related CN205255846U (zh) 2015-12-23 2015-12-23 一种中学数学用多功能学具

## Country Status (1)

CN (1) CN205255846U (zh)

## Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106476497A (zh) * 2016-11-10 2017-03-08 陈征瀚 一种多功能角度尺

## Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106476497A (zh) * 2016-11-10 2017-03-08 陈征瀚 一种多功能角度尺

## Similar Documents

Publication Publication Date Title
CN204278857U (zh) 一种多功能数学教学用具
CN201646147U (zh) 多用途教学用尺规
CN203713333U (zh) 一种多功能数学教学用具
CN205395548U (zh) 一种数学教学用黑板
CN203805585U (zh) 一种组合数学教具
CN205255846U (zh) 一种中学数学用多功能学具
CN205468137U (zh) 一种数学绘图仪
CN204894899U (zh) 一种多功能数学教具
CN201979940U (zh) 数学教师用画尺
CN203611603U (zh) 数学绘图测量多用尺
CN204712734U (zh) 伸缩式复合教具
CN203713334U (zh) 一种组合式教学绘图工具
CN203974326U (zh) 一种新型圆规
CN203780151U (zh) 一种初中数学教具
CN202006675U (zh) 数学教具
CN208324682U (zh) 一种数学教学用多功能绘图尺
CN203600845U (zh) 一种数学教学尺
CN204506255U (zh) 一种数学老师用多功能绘图工具
CN201922780U (zh) 教学圆规三角板
CN204278871U (zh) 一种新型数学教学教具
CN202656729U (zh) 一种组合式三角板
CN203681085U (zh) 三合形状教具
CN201961019U (zh) 一种教学多用尺
CN201941411U (zh) 一种组合教具
CN201907330U (zh) 数学教学用便携式作图尺

## 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: 20160525

Termination date: 20161223