CN2524951Y - Multifunction teaching compasses - Google Patents
Multifunction teaching compasses Download PDFInfo
- Publication number
- CN2524951Y CN2524951Y CN 01268354 CN01268354U CN2524951Y CN 2524951 Y CN2524951 Y CN 2524951Y CN 01268354 CN01268354 CN 01268354 CN 01268354 U CN01268354 U CN 01268354U CN 2524951 Y CN2524951 Y CN 2524951Y
- Authority
- CN
- China
- Prior art keywords
- bar
- compasses
- deciding
- blackboard
- circle
- 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
Links
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Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
Multifunction teaching compasses are provided, the end part of a fixing bar of the compasses is a cupula which can fix the compasses on the blackboard; a movable bar is marked with scale, and can draw a circle with a certain radius and be used as a ruler. The compasses have multiple functions and convenient use, thereby being a practical educational affiliation.
Description
(1) technical field: the present invention relates to educational compasses, particularly a kind of sucked type compasses.
(2) background technology: at present, its end part of movable rod of the educational compasses that uses is chalk, and deciding boom end is spike, is made by glass because blackboard for education is many, and spike is bad fixing on blackboard, makes compasses be difficult to operation, the fenestra inconvenience of the certain radius of drawing.
(3) summary of the invention: the purpose of this utility model provides a kind of sucked type multifunctional compass, and this compasses can be fixed on the Glass blackboard easily, uses nimbly and freely.The present invention is achieved in that a kind of multifunctional teaching compasses by deciding bar 1 and moving bar 2 constitutes, and it is characterized in that deciding bar 1 end is a glue head sucker 3, and deciding bar 1 other end top is a turning axle 4, decides bar 1 and can rotate relative to glue head sucker 3; Moving bar 2 is a loop bar 5, and it is marked with scale 6, and the end is a chalk sleeve 7.The beneficial effects of the utility model be more convenient on blackboard with the chalk circle that draws, also can directly control the radius of a circle size, in addition, moving bar can be worked as ruler and be used, compact conformation, the common educational compasses of its function ratio is more.
(4) description of drawings: further specify embodiment below in conjunction with accompanying drawing 1:
1, decides bar
2, moving bar
3, glue head sucker
4, turning axle
5, loop bar
6, scale
7, chalk sleeve
(5) embodiment:
Chalk is installed in the chalk sleeve 7, firmly 3 absorption of glue head sucker is given on the blackboard,, adjust loop bar 5 according to required radius of circle and show drawn radius of circle by scale 6 as center of circle point of fixity.Pin on the other hand and decide bar 1, another hand steered chalk sleeve, the angle of adjustment chalk and blackboard, a circle of radius as can be known easily can draw.
Claims (1)
1. multifunctional compass, by deciding bar 1 and moving bar 2 constitutes, it is characterized in that deciding bar 1 end is a glue head sucker 3, deciding bar 1 other end top is a turning axle 4, decides bar 1 and can rotate relative to glue head sucker 3; Moving bar 2 is a loop bar 5, and it is marked with scale 6, and the end is a chalk sleeve 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01268354 CN2524951Y (en) | 2001-10-22 | 2001-10-22 | Multifunction teaching compasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01268354 CN2524951Y (en) | 2001-10-22 | 2001-10-22 | Multifunction teaching compasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2524951Y true CN2524951Y (en) | 2002-12-11 |
Family
ID=33674551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01268354 Expired - Fee Related CN2524951Y (en) | 2001-10-22 | 2001-10-22 | Multifunction teaching compasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2524951Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336098A (en) * | 2011-08-23 | 2012-02-01 | 崔守孝 | Teaching compass |
| CN102371823A (en) * | 2010-08-04 | 2012-03-14 | 陈沈洋 | Cursor-sucker teaching compasses |
-
2001
- 2001-10-22 CN CN 01268354 patent/CN2524951Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371823A (en) * | 2010-08-04 | 2012-03-14 | 陈沈洋 | Cursor-sucker teaching compasses |
| CN102336098A (en) * | 2011-08-23 | 2012-02-01 | 崔守孝 | Teaching compass |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |