CN204820794U - Compasses - Google Patents
Compasses Download PDFInfo
- Publication number
- CN204820794U CN204820794U CN201520462949.3U CN201520462949U CN204820794U CN 204820794 U CN204820794 U CN 204820794U CN 201520462949 U CN201520462949 U CN 201520462949U CN 204820794 U CN204820794 U CN 204820794U
- Authority
- CN
- China
- Prior art keywords
- compasses
- dead lever
- utility
- model
- mapping
- 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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- Pens And Brushes (AREA)
Abstract
The utility model provides a compasses, be equipped with compasses foot and dead lever on the sharp pole of awl, be equipped with aperture and pencil on the compasses foot. Dead lever and little jogged joint. It is all scalable to bore sharp pole and dead lever. The utility model provides a pair of compasses through adopting foretell structure, during the mapping, bores sharp pole and can remain throughout with the paper perpendicularly, avoids sideslipping, because two the pencil simultaneous workings of drawing, the sparingly times of mapping, in addition, all scalable because of boring sharp pole and dead lever, through adjusting its length, the less and great circle of diameter can conveniently draw up.
Description
Technical field
The utility model relates to study article field, particularly a kind of compasses.
Background technology
Compasses of today, be all be made up of a sharp bar of cone and a lead for retractable pencil end that can draw, in mapping process, first will adjust subtended angle, fixed cone point, then rotates compasses, draws figure.But when mapping, because cone point keeps certain inclination angle with paper, and need the power it being applied to a certain size when drawing, be easy to like this cone point is breakked away, not only cause mapping unsuccessfully, also can stave paper.In addition, because the problem of this body structure of compasses, the circle making radius too small or excessive is more difficult.For addressing this problem, provide a kind of compasses.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of compasses, during mapping, bores sharp bar and can remain vertical with paper, avoids breakking away; Because two picture pencils work simultaneously, the mapping time can be saved; Utilize fixed bar simultaneously, compass foot subtended angle can be made constant, facilitate secondary to map.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of compasses, and bore sharp bar and be provided with compass foot and fixed bar, compass foot is provided with aperture and pencil; Described fixed bar is connected with aperture.The sharp bar of described cone and fixed bar all scalable.
A kind of compasses that the utility model provides, by adopting above-mentioned structure, during mapping, boring sharp bar and can remain vertical with paper, avoid breakking away; Because two picture pencils work simultaneously, the mapping time can be saved; Utilize fixed bar simultaneously, compass foot subtended angle can be made constant, facilitate secondary to map.In addition, owing to boring sharp bar and fixed bar is all scalable, by regulating its length, the less and larger circle of diameter can be drawn easily.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is overall structure schematic diagram of the present utility model.
In figure: pencil 1, compass foot 2, bores sharp bar 3, fixed bar 4, aperture 5.
Detailed description of the invention
As in Fig. 1, a kind of compasses, bore sharp bar 3 and be provided with compass foot 2 and fixed bar 4, compass foot 2 is provided with aperture 5 and pencil 1.Described fixed bar 4 is connected with aperture 5.The sharp bar of described cone 3 and fixed bar 4 all scalable.Structure thus, during mapping, bores sharp bar and can remain vertical with paper, avoids breakking away; Because two picture pencils work simultaneously, the mapping time can be saved; Utilize fixed bar simultaneously, compass foot subtended angle can be made constant, facilitate secondary to map.In addition, owing to boring sharp bar and fixed bar is all scalable, by regulating its length, the less and larger circle of diameter can be drawn easily.
The above embodiments are only optimal technical scheme of the present utility model; and should not be considered as restriction of the present utility model; the technical scheme that protection domain of the present utility model should be recorded with claim, the equivalents comprising technical characteristic in the technical scheme of claim record is protection domain.Namely the equivalent replacement within the scope of this improves, also within protection domain of the present utility model.
Claims (1)
1. compasses, is characterized in that: bore sharp bar (3) and be provided with compass foot (2) and fixed bar (4), compass foot (2) is provided with aperture (5) and pencil (1); Described fixed bar (4) is connected with aperture (5), the sharp bar of described cone (3) and fixed bar (4) all scalable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520462949.3U CN204820794U (en) | 2015-07-01 | 2015-07-01 | Compasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520462949.3U CN204820794U (en) | 2015-07-01 | 2015-07-01 | Compasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204820794U true CN204820794U (en) | 2015-12-02 |
Family
ID=54678428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520462949.3U Expired - Fee Related CN204820794U (en) | 2015-07-01 | 2015-07-01 | Compasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204820794U (en) |
-
2015
- 2015-07-01 CN CN201520462949.3U patent/CN204820794U/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 | ||
| 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: 20151202 Termination date: 20160701 |