CN201240177Y - Multipurpose educational compasses - Google Patents
Multipurpose educational compasses Download PDFInfo
- Publication number
- CN201240177Y CN201240177Y CNU2008201873912U CN200820187391U CN201240177Y CN 201240177 Y CN201240177 Y CN 201240177Y CN U2008201873912 U CNU2008201873912 U CN U2008201873912U CN 200820187391 U CN200820187391 U CN 200820187391U CN 201240177 Y CN201240177 Y CN 201240177Y
- Authority
- CN
- China
- Prior art keywords
- compasses
- protractor
- set square
- multipurpose
- movable 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a pair of multipurpose teaching compasses; a set square is arranged on one side of the compasses; a protractor is arranged at the cross point of two rods of the compasses; a movable sucker is arranged at the front end of the compasses; a fixed iron ring is arranged at the upper end of the movable sucker; and the lower end thereof is connected by a rivet. The pair of multi-purpose teaching compasses can not only damage a blackboard, but also realize the functions of the compasses, the set square and the protractor, thereby realizing multiple purposes and having practicality and convenience.
Description
Technical field
The utility model relates to a kind of teaching aid, particularly a kind of multipurpose educational compasses.
Background technology
At present, the rule pin of known educational compasses is the apicule of a point point, and when mapping on blackboard with this compasses, because blackboard is very level and smooth, the center of circle is not easy to fix, and makes the circular error of drawing bigger, and needle point shines into infringement blackboard easily; Compasses, set square, protractor drawing instrument all are special-purpose, used, carry, take care of and brought inconvenience.
Summary of the invention
The purpose of this utility model is to overcome above technical deficiency, provides a kind of set compasses, set square, protractor function in one, and overcomes the multipurpose educational compasses of conventional compasses needle point shortcoming.
The purpose of this utility model is achieved in that in one side of the bar of compasses and is provided with set square, is provided with protractor in the crosspoint of compasses two bars.Front end at the compasses bar is provided with the movable sucker that can freely rotate, and the upper end of movable sucker is provided with fixedly iron ring, and the lower end connects with the riveting fourth.The utility model promptly can not damage blackboard, realizes the function of compasses, set square, protractor again simultaneously, and one-object-many-purposes is practical and convenient.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the front view of multipurpose educational compasses.Wherein 1 is the compasses bodies, the 2nd, and set square, the 3rd, protractor, the 4th, movable sucker, the 5th, iron ring, the 6th, rivet.
The specific embodiment
Fig. 1 is the specific embodiment of multipurpose educational compasses, in one side of compasses body (1) set square (2) is installed, the crosspoint of two bars of compasses body (1) is provided with protractor (3), the front end of compasses body (1) is equipped with movable sucker (4), the upper end of movable sucker is provided with fixedly iron ring (5), and the lower end connects with riveting fourth (6).The utility model promptly can not shine into injury blackboard, realizes the function of compasses, set square, protractor again simultaneously, and one-object-many-purposes is practical and convenient.
Claims (2)
1, a kind of multipurpose educational compasses comprises the compasses body, it is characterized in that a side of compasses body is provided with set square, and the crosspoint of two bars of compasses body is provided with protractor.
2, according to claims 1 described a kind of multipurpose educational compasses, it is characterized in that the front end of compasses body is provided with movable sucker, the upper end of movable sucker is provided with fixedly iron ring, and the lower end connects with the riveting fourth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201873912U CN201240177Y (en) | 2008-08-07 | 2008-08-07 | Multipurpose educational compasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201873912U CN201240177Y (en) | 2008-08-07 | 2008-08-07 | Multipurpose educational compasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201240177Y true CN201240177Y (en) | 2009-05-20 |
Family
ID=40713466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201873912U Expired - Fee Related CN201240177Y (en) | 2008-08-07 | 2008-08-07 | Multipurpose educational compasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201240177Y (en) |
-
2008
- 2008-08-07 CN CNU2008201873912U patent/CN201240177Y/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: 20090520 Termination date: 20090907 |