CN201989513U - Multifunctional angle gauge - Google Patents
Multifunctional angle gauge Download PDFInfo
- Publication number
- CN201989513U CN201989513U CN2011200396439U CN201120039643U CN201989513U CN 201989513 U CN201989513 U CN 201989513U CN 2011200396439 U CN2011200396439 U CN 2011200396439U CN 201120039643 U CN201120039643 U CN 201120039643U CN 201989513 U CN201989513 U CN 201989513U
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- CN
- China
- Prior art keywords
- angle
- circular hole
- angle gauge
- hole
- circle
- 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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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model relates to an angle gauge, in particular to a multifunctional angle gauge, which belongs to stationery supplies, is circular, and is divided into an upper semi-circle zone and a lower semi-circle zone. Angle indexes ranging from 0 to 180 degrees are arranged on the upper semi-circle zone, and long arc holes are respectively and symmetrically arranged at two sides of a 90-degree line; the lower semi-circle zone is provided with a round hole and a rectangular hole respectively, and short arc holes are respectively and symmetrically arranged at two sides of a 270-degree line; a small round hole is arranged at the top end of the 90-degree line, and by adopting the small round hole as a starting point, a small hole is opened at intervals of 72 degrees. The multifunctional angle gauge not only has the function of measuring angles, but also the functions of drawing angle bisectors, five-pointed stars, rounds, arcs and rectangles, thus solving the problem that the function of a common angle gauge is single.
Description
Technical field
The utility model relates to a kind of protractor, particularly relates to a kind of multi-function protractor, belongs to stationery.
Technical background
Usually the student is in learning process, need to prepare a lot of stationery, as compasses, ruler, set square etc., protractor is a stationery very general in the daily life, general protractor all is semicircular, is provided with yardstick above, and main function is exactly a measuring angle, function is comparatively single, can not satisfy the needs that the student solves a problem, maps.
Summary of the invention
The purpose of this utility model just provides a kind of a kind of multi-function protractor that overcomes above-mentioned protractor defective,
The technical solution of the utility model realizes by following approach, it is rounded, divide upper and lower two semicircle zones, wherein upper semi-circle is provided with 0-180 ° angle measuring calibration, and have the long circular hole of symmetrical distribution 90 ° of line both sides, be respectively equipped with circular hole, slot on the lower half circle, have the short circular hole of symmetrical distribution 270 ° of line both sides, and have a small sircle hole on the top of 90 ° of lines, have a small sircle hole every 72 ° with this as the starting point.
The utility model not only has the function of angulation, and has the function of picture angular bisector, five-pointed star, circle, circular arc, rectangle, has solved the problem of common protractor function singleness.
Description of drawings
Accompanying drawing is a structural representation of the present utility model
Wherein: 1, upper semi-circle, 2, lower half circle, 3, long circular hole, 4, slot, 5, circular hole, 6, small sircle hole, 7, short circular hole
The specific embodiment
Describe the specific embodiment of the present utility model in detail below in conjunction with accompanying drawing.
The utility model is rounded, divide upper and lower two semicircle zones, wherein upper semi-circle 1 is provided with 0-180 ° angle measuring calibration, and have the long circular hole 3 of symmetrical distribution 90 ° of line both sides, be respectively equipped with circular hole 5, slot 4 on the lower half circle 2, have the short circular hole 7 of symmetrical distribution 270 ° of line both sides, and have a small sircle hole 6 on the top of 90 ° of lines, have a small sircle hole 6 every 72 ° with this as the starting point, have 5 small sircle holes 6.
The opening angle of long circular hole 3 is respectively 80 °-0 ° and 100 °-180 °, and the utility model is provided with 5,1 slot 4 of 4 circular holes.
The utility model can be drawn common circle, measures opening angle arbitrarily, can also draw the perpendicular bisector of five-pointed star, angular bisector, line segment.
Below mainly the perpendicular bisector of five-pointed star, angular bisector, line segment is described, the technique of painting of five-pointed star is pressed in the utility model on the paper that will draw five-pointed star, at center of circle O, and 5 small sircle holes 6 carry out mark, carry out line then and get final product with pen.The technique of painting of angular bisector overlaps center of circle O with the summit A at angle, the both sides of drawing arc and angle A with suitable arc intersect at B, C 2 points, and then are the center of circle with B, C respectively, and suitable arc is drawn in the arc angle of cut and the D point, connects the bisector that AD is angle A.The technique of painting of the perpendicular bisector of line segment, terminal A, the B with line segment AB is that arc is drawn in the center of circle respectively, two arcs intersect at D, C 2 points, connect D, C, are the perpendicular bisector of line segment AB.
Claims (3)
1. multi-function protractor, it is characterized in that it is rounded, divide upper and lower two semicircle zones, wherein upper semi-circle (1) is provided with 0-180 ° angle measuring calibration, and have the long circular hole (3) of symmetrical distribution 90 ° of line both sides, be respectively equipped with circular hole (5), slot (4) on the lower half circle (2), have the short circular hole (7) of symmetrical distribution 270 ° of line both sides, and have a small sircle hole (6) on the top of 90 ° of lines, have a small sircle hole (6) every 72 ° with this as the starting point.
2. a kind of multi-function protractor according to claim 1 is characterized in that the opening angle of described long circular hole (3) is respectively 80 °-0 ° and 110 °-180 °.
3. a kind of multi-function protractor according to claim 1 is characterized in that described circular hole (5) has 4, slot (4) to have 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200396439U CN201989513U (en) | 2011-02-16 | 2011-02-16 | Multifunctional angle gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200396439U CN201989513U (en) | 2011-02-16 | 2011-02-16 | Multifunctional angle gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201989513U true CN201989513U (en) | 2011-09-28 |
Family
ID=44666012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200396439U Expired - Fee Related CN201989513U (en) | 2011-02-16 | 2011-02-16 | Multifunctional angle gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201989513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873674A (en) * | 2020-08-10 | 2020-11-03 | 燕山大学 | Product design drawing ruler with high practicability |
-
2011
- 2011-02-16 CN CN2011200396439U patent/CN201989513U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873674A (en) * | 2020-08-10 | 2020-11-03 | 燕山大学 | Product design drawing ruler with high practicability |
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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: 20110928 Termination date: 20120216 |