CN201304818Y - Magnetic teaching aid compasses - Google Patents
Magnetic teaching aid compasses Download PDFInfo
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a teaching aid. In the prior compasses, a sucker serves as a support which plays the role of fixation, so the fixing effect is poor if the blackboard has too much chalk dust, and the compasses are easy to slide and not ideal. The utility model relates to magnetic teaching aid compasses which consist of compasses and magnetic plates, and are characterized in that the end of one leg of a compass frame is provided with a ball joint device; and the end of the ball joint device is provided with the magnetic plates. Therefore, the magnetic teaching aid compasses can be used very freely.
Description
Technical field
The utility model relates to a kind of teaching aid.
Background technology
At present, known present compasses teaching aid, the support that plays fixation is a sucker, and its shortcoming is that chalk dust is too much on the blackboard, and its fixed effect is not good, is easy to slide, and is not ideal.
Summary of the invention
In order to overcome above-mentioned deficiency, the utility model provides a kind of magnetic teaching aid compasses, uses just to reach the purpose that is difficult for slip on existing ferrous metal system blackboard.
The technical scheme in the invention for solving the technical problem is: the magnetic teaching aid compasses by compasses and flat thin magnet are formed is characterized in that: in compasses frame one foot portion, a bulb device is set, bulb device end is provided with flat thin magnet.Use can activity freely.
The beneficial effects of the utility model are: simple in structure, easy to use, that compasses are difficult for sliding effect is good.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is the utility model panorama schematic diagram.
1. compasses framves, 2. bulb device, 3. flat thin magnet among the figure.
The specific embodiment
Among Fig. 1, in compasses frame (1) one foot portion, a bulb device (2) is set, bulb device end is provided with flat thin magnet (3).Use can activity freely.
Claims (1)
1, a kind of magnetic teaching aid compasses are made up of compasses and flat thin magnet, it is characterized in that: in compasses frame (1) one foot portion, a bulb device (2) is set, bulb device end is provided with flat thin magnet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201411646U CN201304818Y (en) | 2008-11-05 | 2008-11-05 | Magnetic teaching aid compasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201411646U CN201304818Y (en) | 2008-11-05 | 2008-11-05 | Magnetic teaching aid compasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201304818Y true CN201304818Y (en) | 2009-09-09 |
Family
ID=41097279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201411646U Expired - Fee Related CN201304818Y (en) | 2008-11-05 | 2008-11-05 | Magnetic teaching aid compasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201304818Y (en) |
-
2008
- 2008-11-05 CN CNU2008201411646U patent/CN201304818Y/en not_active Expired - Fee Related
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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 |