[go: up one dir, main page]

CN201304818Y - 磁性教具圆规 - Google Patents

磁性教具圆规 Download PDF

Info

Publication number
CN201304818Y
CN201304818Y CNU2008201411646U CN200820141164U CN201304818Y CN 201304818 Y CN201304818 Y CN 201304818Y CN U2008201411646 U CNU2008201411646 U CN U2008201411646U CN 200820141164 U CN200820141164 U CN 200820141164U CN 201304818 Y CN201304818 Y CN 201304818Y
Authority
CN
China
Prior art keywords
compasses
teaching aid
magnetic
utility
model
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
CNU2008201411646U
Other languages
English (en)
Inventor
王宇晨
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 CNU2008201411646U priority Critical patent/CN201304818Y/zh
Application granted granted Critical
Publication of CN201304818Y publication Critical patent/CN201304818Y/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Drawing Aids And Blackboards (AREA)

Abstract

本实用新型涉及一种教具。公知的现在的圆规教具,起固定作用的支架是吸盘,其缺点是黑板上粉笔灰过多,其固定效果就不佳,很容易滑动,不太理想。本实用新型提供一种由圆规和磁铁片组成的磁性教具圆规,其特征是:在圆规架一脚端部,设置一个球头装置,球头装置端部设置有磁铁片。使用起来可以活动自如。

Description

磁性教具圆规
技术领域
本实用新型涉及一种教具。
背景技术
目前,公知的现在的圆规教具,起固定作用的支架是吸盘,其缺点是黑板上粉笔灰过多,其固定效果不佳,很容易滑动,不太理想。
发明内容
为了克服上述不足,本实用新型提供一种磁性教具圆规,在现有含铁金属制黑板上使用就能达到不易滑动的目的。
本实用新型解决其技术问题的技术方案是:由圆规和磁铁片组成的磁性教具圆规,其特征是:在圆规架一脚端部,设置一个球头装置,球头装置端部设置有磁铁片。使用起来可以活动自如。
本实用新型的有益效果是:结构简单、使用方便、圆规不易滑动效果好。
附图说明
下面结合附图和实施例对本实用新型作进一步说明:
图1为本实用新型全景示意图。
图中1.圆规架,2.球头装置,3.磁铁片。
具体实施方式
图1中,在圆规架(1)一脚端部,设置一个球头装置(2),球头装置端部设置有磁铁片(3)。使用起来可以活动自如。

Claims (1)

1、一种磁性教具圆规,由圆规和磁铁片组成,其特征是:在圆规架(1)一脚端部,设置一个球头装置(2),球头装置端部设置有磁铁片(3)。
CNU2008201411646U 2008-11-05 2008-11-05 磁性教具圆规 Expired - Fee Related CN201304818Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201411646U CN201304818Y (zh) 2008-11-05 2008-11-05 磁性教具圆规

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201411646U CN201304818Y (zh) 2008-11-05 2008-11-05 磁性教具圆规

Publications (1)

Publication Number Publication Date
CN201304818Y true CN201304818Y (zh) 2009-09-09

Family

ID=41097279

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008201411646U Expired - Fee Related CN201304818Y (zh) 2008-11-05 2008-11-05 磁性教具圆规

Country Status (1)

Country Link
CN (1) CN201304818Y (zh)

Similar Documents

Publication Publication Date Title
CN201304818Y (zh) 磁性教具圆规
CN203535852U (zh) 思想政治教育挂图装置
CN202319550U (zh) 数学教学用圆规
CN202382002U (zh) 磁铁手电筒
CN204701338U (zh) 一种便携式黑板专用圆规
CN201970716U (zh) 一种带磁铁的圆规
CN201304813Y (zh) 磁性三角尺
CN203078071U (zh) 粉笔圆规
CN201220547Y (zh) 一种圆规
CN201619351U (zh) 新型画圆器
CN201619354U (zh) 吸盘式画圆器
CN202593104U (zh) 新型黑板擦
CN202463335U (zh) 便捷式教学圆规
CN201941403U (zh) 一种组合教具
CN201102410Y (zh) 新型直尺
CN202720795U (zh) 新型练字毛毡
CN202169812U (zh) 一种新型黑板
CN202487843U (zh) 新式插座
CN202439432U (zh) 吸盘式教学圆规
CN202593100U (zh) 新型黑板擦
CN202727853U (zh) 新型画板
CN201211795Y (zh) 吸盘圆规
CN203210942U (zh) 多功能尺子
CN2774387Y (zh) 一种足踝固定装置
CN202463326U (zh) 一种用于黑板上的磁性圆规

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: 20090909

Termination date: 20101105