CN202491608U - 360-degree protractor - Google Patents
360-degree protractor Download PDFInfo
- Publication number
- CN202491608U CN202491608U CN2012201499333U CN201220149933U CN202491608U CN 202491608 U CN202491608 U CN 202491608U CN 2012201499333 U CN2012201499333 U CN 2012201499333U CN 201220149933 U CN201220149933 U CN 201220149933U CN 202491608 U CN202491608 U CN 202491608U
- Authority
- CN
- China
- Prior art keywords
- protractor
- hole
- angle measuring
- angle
- measuring board
- 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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- 238000005096 rolling process Methods 0.000 claims abstract description 5
- 241000405070 Percophidae Species 0.000 claims description 10
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a 360-degree protractor. The 360-degree protractor comprises a protractor body, wherein the protractor body is provided with a round angle measuring board through hole; the outer edge of the angle measuring board through hole is provided with scales; the angle measuring board through hole is internally provided with a round angle measuring board; four duckbilled bayonets are arranged at the places of 0 degree, 90 degrees, 180 degrees and 270 degrees of the outer edge of the angle measuring board through hole; the angle measuring board is movably clamped in the four duckbilled bayonet; rolling wheel axles are arranged on the duckbilled bayonet and between the angle measuring board and the outer edge of the angle measuring board through hole; and the angle measuring board is provided with scale lines and angle taking holes. The 360-degree protractor, disclosed by the utility model, has the advantages of being convenient to use, easy to operate, disposable, and capable of drawing various angles directly without calculation.
Description
Technical field:
The utility model relates to a kind of study stationery, relates in particular to a kind of 360 ° of protractors.
Background technology:
Existing protractor can only be drawn 180 ° with interior angle, draws 180 ° to 360 ° angle and draws boost line or calculate drafting with regard to needs, and drafting is made troubles.
The utility model content:
The purpose of the utility model be to provide a kind of can be disposable, need not calculate 360 ° of protractors of the various angles of direct drafting.
The utility model is implemented by following technical scheme: 360 ° of protractors; It comprises the protractor main body; On said protractor main body, be provided with circular Angle protractor through hole, on said Angle protractor through hole outer, be provided with scale, in said Angle protractor through hole, be provided with circular Angle protractor; Locate to be provided with 4 Duckbill type bayonet sockets 0 °, 90 °, 180 ° and 270 ° of said Angle protractor through hole outer; Said Angle protractor active card is connected in 4 said Duckbill type bayonet sockets, on the said Duckbill type bayonet socket, be provided with rolling shaft between said Angle protractor and the said Angle protractor through hole outer, on said Angle protractor, be provided with graduation mark and get the hole, angle.
The advantage of the utility model: easy to use, simple to operate, disposable, need not calculate and can directly draw various angles.
Description of drawings:
Fig. 1 is the overall schematic of the utility model.
Fig. 2 is the A-A generalized section of Fig. 1.
Fig. 3 is the B portion partial enlarged drawing of Fig. 2.
Protractor main body 1, Angle protractor through hole 2, Angle protractor 3, Duckbill type bayonet socket 4, rolling shaft 5, scale 6, graduation mark 7, get hole, angle 8.
The specific embodiment: extremely shown in Figure 3 like Fig. 1; 360 ° of protractors, it comprises protractor main body 1, on protractor main body 1, is provided with circular Angle protractor through hole 2; On Angle protractor through hole 2 outers, be provided with scale 6; In Angle protractor through hole 2, be provided with circular Angle protractor 3, locate to be provided with 4 Duckbill type bayonet sockets 40 °, 90 °, 180 ° and 270 ° of Angle protractor through hole 2 outers, Angle protractor 3 active card are connected in 4 Duckbill type bayonet sockets 4; On the Duckbill type bayonet socket 4, be provided with rolling shaft 5 between Angle protractor 3 and Angle protractor through hole 2 outers, on Angle protractor 3, be provided with graduation mark 7 and get hole, angle 8.
Claims (1)
1.360 ° protractor; It comprises the protractor main body, it is characterized in that, on said protractor main body, is provided with circular Angle protractor through hole; On said Angle protractor through hole outer, be provided with scale; In said Angle protractor through hole, be provided with circular Angle protractor, locate to be provided with 4 Duckbill type bayonet sockets 0 °, 90 °, 180 ° and 270 ° of said Angle protractor through hole outer, said Angle protractor active card is connected in 4 said Duckbill type bayonet sockets; On the said Duckbill type bayonet socket, be provided with rolling shaft between said Angle protractor and the said Angle protractor through hole outer, on said Angle protractor, be provided with graduation mark and get the hole, angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201499333U CN202491608U (en) | 2012-04-01 | 2012-04-01 | 360-degree protractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201499333U CN202491608U (en) | 2012-04-01 | 2012-04-01 | 360-degree protractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202491608U true CN202491608U (en) | 2012-10-17 |
Family
ID=46997847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201499333U Expired - Fee Related CN202491608U (en) | 2012-04-01 | 2012-04-01 | 360-degree protractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202491608U (en) |
-
2012
- 2012-04-01 CN CN2012201499333U patent/CN202491608U/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: 20121017 Termination date: 20130401 |