CN202498899U - Antiskid teaching compasses - Google Patents
Antiskid teaching compasses Download PDFInfo
- Publication number
- CN202498899U CN202498899U CN2012200862601U CN201220086260U CN202498899U CN 202498899 U CN202498899 U CN 202498899U CN 2012200862601 U CN2012200862601 U CN 2012200862601U CN 201220086260 U CN201220086260 U CN 201220086260U CN 202498899 U CN202498899 U CN 202498899U
- Authority
- CN
- China
- Prior art keywords
- antiskid
- compass leg
- sleeve
- compasses
- sucker
- 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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Abstract
The utility model relates to a teaching instrument, and specifically provides antiskid teaching compasses. The antiskid teaching compasses comprises two inverted V-shaped compass legs which are connected on an angle regulator; wherein the angle regulator is provided with a line drawing knob; the front end of one compass leg is provided with a nib, and the front end of the other compass leg is provided with a sucker. The top of the sucker is provided with a sleeve, and the front end of the compass leg is movably inserted into the sleeve. Compared with the prior art, the antiskid teaching compasses have a reasonable design and a simple structure, is convenient to use and is antiskid, and can draw lines in a plurality of shapes.
Description
Technical field
The present invention relates to a kind of teaching appliance, be specially a kind of compasses for teaching.
Background technology
Mostly educational compasses is iron leg compasses at present.Because blackboard for education is a glassware now,, bring difficulty to operation using fixedly easy slip of iron pin in the center of circle of original educational compasses.
Summary of the invention
The purpose of the utility model is to overcome existing iron pin compasses defective, and a kind of anti-slip educational compasses is provided.
The technical scheme that the utility model adopted is: a kind of anti-slip educational compasses; Comprise that two of being connected on the angle demodulator are lambdoid compass leg; The setting-out knob is arranged on the angle demodulator, and the front end of one of them compass leg has setting-out nib, at the front end of another compass leg sucker is arranged.
One sleeve is arranged at said sucker top, and the movable sleeve of the front end of said compass leg is in this sleeve.
The educational compasses of the utility model compared with prior art, have reasonable in design, simple in structure, easy to use, anti-skidding, the multiple characteristics such as linear of can drawing.
Description of drawings
Fig. 1 is the utility model stereochemical structure sketch.
Among the figure, 1. setting-out is written, 2. adjusting knob, 3. compass leg, 4. angle demodulator, 5. setting-out knob, 6. sucker, 7. sleeve.
The specific embodiment
A kind of anti-slip educational compasses; Comprise that two of being connected on the angle demodulator are lambdoid compass leg 3; Setting-out knob 5 is arranged on the angle demodulator 4, and the front end of one of them compass leg has setting-out nib 1, at the front end of another compass leg sucker 6 is arranged; One sleeve 7 is arranged at said sucker 6 tops, and the movable sleeve of the front end of said compass leg is in this sleeve.
Claims (2)
1. anti-slip educational compasses comprises that two of being connected on the angle demodulator are lambdoid compass leg, and the setting-out knob is arranged on the angle demodulator, and the front end of one of them compass leg has the setting-out nib, it is characterized in that at the front end of another compass leg sucker being arranged.
2. a kind of anti-slip educational compasses as claimed in claim 1 is characterized in that at said sucker top one sleeve being arranged, and the movable sleeve of the front end of said compass leg is in this sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200862601U CN202498899U (en) | 2012-03-09 | 2012-03-09 | Antiskid teaching compasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200862601U CN202498899U (en) | 2012-03-09 | 2012-03-09 | Antiskid teaching compasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202498899U true CN202498899U (en) | 2012-10-24 |
Family
ID=47035524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200862601U Expired - Fee Related CN202498899U (en) | 2012-03-09 | 2012-03-09 | Antiskid teaching compasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202498899U (en) |
-
2012
- 2012-03-09 CN CN2012200862601U patent/CN202498899U/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: 20121024 Termination date: 20130309 |