CN201217334Y - Compasses for teaching - Google Patents
Compasses for teaching Download PDFInfo
- Publication number
- CN201217334Y CN201217334Y CNU2008200252197U CN200820025219U CN201217334Y CN 201217334 Y CN201217334 Y CN 201217334Y CN U2008200252197 U CNU2008200252197 U CN U2008200252197U CN 200820025219 U CN200820025219 U CN 200820025219U CN 201217334 Y CN201217334 Y CN 201217334Y
- Authority
- CN
- China
- Prior art keywords
- teaching
- fixed
- compasses
- telescopic
- 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 discloses a daily necessity, particularly disclosing a teaching bow compass, which comprises a fixed leg and a movable leg and is characterized in that a sucker is arranged at the tail end of the fixed leg; the fixed leg is telescopic; and the movable leg is also telescopic. The teaching bow compass has the advantages of simple structure and easy use; besides, the fixed leg of the compass can be fixed on a blackboard through the sucker and can not easily slide, so the user can conveniently draw a circle.
Description
(1) technical field
The utility model relates to a kind of daily living article, particularly a kind of compasses for teaching.
(2) background technology
In daily teaching, the compasses that teacher uses all are the Student's compasses that amplifies, Student's compasses is all at the paper upper drawing circle, compass foot can pass paper and be fixed on the paper, and when drawing on blackboard, compass foot can not be fixed on the blackboard, slide easily, teacher uses very inconvenient, if compass foot can be fixed on the blackboard, it is just easier to draw circle.
(3) summary of the invention
The utility model provides a kind of compasses for teaching easy to use in order to remedy the deficiencies in the prior art.
The utility model is achieved by the following technical solution:
A kind of compasses for teaching comprises fixing feet, movable pin, it is characterized in that: described fixing feet end has sucker; Described fixing feet is telescopic; Described movable pin is telescopic.
The beneficial effects of the utility model: simple in structure, easy to use, the fixing feet of compasses is fixed on the blackboard by sucker, is not easy to slide, and it is more convenient to draw circle.
(4) description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Accompanying drawing is a structural representation of the present utility model.
Among the figure, 1 movable pin, 2 fixing feet, 3 suckers.
(5) specific embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment comprises fixing feet 2, movable pin 1, and fixing feet 2 ends have sucker 3; Fixing feet 2 is telescopic; Movable pin 1 is telescopic.During use, fixing feet is fixed on the blackboard by sucker, the annulus of movable pin end is used for fixing chalk, and chalk will be fixed in the annulus like this, and sucker is fixed on fixing feet on the blackboard, and is non-slip, and it is convenient to draw circle.
Claims (1)
1. a compasses for teaching comprises fixing feet (2), movable pin (1), it is characterized in that: described fixing feet (2) end has sucker; Described fixing feet (2) is telescopic; Described movable pin (1) is telescopic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200252197U CN201217334Y (en) | 2008-07-07 | 2008-07-07 | Compasses for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200252197U CN201217334Y (en) | 2008-07-07 | 2008-07-07 | Compasses for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201217334Y true CN201217334Y (en) | 2009-04-08 |
Family
ID=40540169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200252197U Expired - Fee Related CN201217334Y (en) | 2008-07-07 | 2008-07-07 | Compasses for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201217334Y (en) |
-
2008
- 2008-07-07 CN CNU2008200252197U patent/CN201217334Y/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: 20090408 |