CN203198513U - Set square - Google Patents
Set square Download PDFInfo
- Publication number
- CN203198513U CN203198513U CN 201320189323 CN201320189323U CN203198513U CN 203198513 U CN203198513 U CN 203198513U CN 201320189323 CN201320189323 CN 201320189323 CN 201320189323 U CN201320189323 U CN 201320189323U CN 203198513 U CN203198513 U CN 203198513U
- Authority
- CN
- China
- Prior art keywords
- set square
- square body
- isosceles right
- hole
- hypotenuse
- 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 set square, belonging to the technical field of learning stationery. The set square comprises a set square body, wherein the set square body is an isosceles right-angle set square, the three angular portions of the set square body are provided with curved outer edges, a semicircular protractor is arranged on the set square body, an isosceles right-angle triangular through hole is formed in the set square body located in the protractor, a straight plate is arranged in the isosceles right-angle triangular through hole, and an included angle of 15 degrees is formed by the straight plate and an hypotenuse of the isosceles right-angle triangular through hole; and the set square body is provided with a sunk stage close to the hypotenuse, and a ruler is mounted on the sunk stage in a hinged manner. Due to the curved outer edges, the set square is prevented from scratching books when the set square is packed in a schoolbag; the protractor and the set square are combined together, so that the carrying is facilitated; the isosceles right-angle triangular through hole is used for angle drawing, so that the condition that the normal angle drawing cannot be carried out due to the fact that the three angles of the set square are worn cannot occur, and the number of times of set square replacement is reduced; and a longer straight line can be once drawn through extending the ruler, so that the error caused by repeated ruler moving is reduced.
Description
Technical field
The utility model belongs to study stationery technical field, relates in particular to a kind of set square.
Background technology
Set square is a kind of study stationery commonly used, can be used for picture angle or draw straight line.But three angles of existing set square are all relatively sharper, be contained in the school bag and easily books or homework book scratched, also easily wearing and tearing or drop to the ground and easily fracture in other three angles, just can not continue the picture angle, the set square that need to more renew when three corner wears or after fractureing; The set square that existing student commonly uses is all smaller for specification easy to carry, needs the movable triangular plate repeatedly when drawing long straight line, therefore may cause error.
The utility model content
Technical problem to be solved in the utility model is: provide a kind of set square, to solve the in use problem of inconvenience of existing set square.
For solving the problems of the technologies described above, the technical solution of the utility model is: set square, comprise the set square body, described set square body is the isosceles right angle triangle, three bights of described set square body are provided with the arc outer rim, described set square body is provided with semicircle protractor, arc-shaped edges along described protractor is provided with deep-slotted chip breaker, the described set square body that is positioned at described protractor is provided with an isosceles right angled triangle through hole, the hypotenuse of described isosceles right triangle through hole parallels with the hypotenuse of described set square body, be provided with always plate in the described isosceles right triangle through hole, described straight plate becomes 15 degree angles with the hypotenuse of described isosceles right triangle through hole; Described set square body is provided with a heavy stand, the hinged ruler that is equipped with of described heavy stand one end near hypotenuse.
As a kind of improvement, a right-angle side of described set square body is provided with wave tooth.
As a kind of improvement, the hypotenuse of described set square body is provided with scale and indicates.
As a kind of improvement, described ruler is provided with scale and indicates.
After having adopted technique scheme, the beneficial effects of the utility model are:
Because the set square body is the isosceles right angle triangle, three bights of set square body are provided with the arc outer rim, can prevent from that set square is contained in the school bag books are scratched; Because the set square body is provided with a semicircle protractor, be provided with deep-slotted chip breaker along the arc-shaped edges of protractor, protractor and set square are combined, picture only needs a set square during angle, and is convenient and simple, also is conducive to carry; Owing to being provided with an isosceles right angled triangle through hole in the protractor, the hypotenuse of isosceles right triangle through hole parallels with the hypotenuse of isosceles right triangle, be provided with always plate in the isosceles right triangle through hole, straight plate becomes 15 degree angles with the hypotenuse of isosceles right triangle through hole, convenient when utilizing waist right angled triangle through hole to draw 15 degree, 30 degree, 45 degree, 60 degree, an angle of 90 degrees, can can't normally not use because of three corner wears of set square yet, can greatly reduce and change the set square number of times; Again because the set square body is provided with a heavy stand near hypotenuse, the hinged ruler that is equipped with on the heavy stand, when the straight line of required picture is longer than the shape hypotenuse of set square body, can rotate ruler ruler is stretched out set square, can disposablely draw long straight line, reduce the error that causes because of mobile ruler repeatedly, use very simple and conveniently, also do not affect and carry.
Because a right-angle side of set square body is provided with wave tooth, can be convenient and simple draw wave.
Because the hypotenuse of set square body is provided with scale and indicates, and can accurately measure drawn straight line.
Because ruler is provided with scale and indicates, and can accurately measure drawn straight line.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model ruler when stretching out;
Among the figure: 1, set square body, 2, protractor, 3, deep-slotted chip breaker, 4, the isosceles triangle through hole, 5, straight plate, 6, heavy stand, 7, ruler, 8, wave tooth.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Fig. 1 is the structural representation of the set square that provides of the utility model, and Fig. 2 is the structural representation of the utility model ruler when stretching out, and for convenience of explanation, has only provided the part relevant with the utility model among the figure.
The set square that the utility model provides, comprise set square body 1, set square body 1 is the isosceles right angle triangle, three bights of set square body 1 are provided with the arc outer rim, can prevent that set square is contained in scratches books in the school bag, set square body 1 is provided with a semicircle protractor 2, arc-shaped edges along protractor 2 is provided with deep-slotted chip breaker 3, protractor and set square are combined, only need a set square when drawing the angle, convenient and simple, also be conducive to carry, the set square body 1 that is positioned at protractor 2 is provided with an isosceles right angled triangle through hole 4, and the hypotenuse of isosceles right triangle through hole 4 parallels with the hypotenuse of set square body 1, is provided with always plate 5 in the isosceles right triangle through hole 4, straight plate 5 becomes 15 degree angles with the hypotenuse of isosceles right triangle through hole 4, utilize waist right angled triangle through hole 4 to draw 15 degree, 30 degree, 45 degree, 60 degree, convenient during an angle of 90 degrees, can can't normally not use because of three corner wears of set square yet, can greatly reduce and change the set square number of times; Set square body 1 is provided with a heavy stand 6 near hypotenuse, the hinged ruler 7 that is equipped with on the heavy stand 6, when the straight line of required picture is longer than the hypotenuse of set square body 1, can rotate ruler 7 ruler 7 is stretched out set square, can disposablely draw long straight line, reduce the error that causes because of mobile ruler repeatedly, use very simple and conveniently, also do not affect and carry.
One right-angle side of set square body 1 is provided with wave tooth 8, can be convenient and simple draw wave; The hypotenuse of set square body 1 is provided with scale and indicates, and ruler 7 is provided with scale and indicates, and can accurately measure drawn straight line.
Below only be preferred embodiment of the present utility model, not in order to limiting the utility model, all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. set square, comprise the set square body, it is characterized in that, described set square body is the isosceles right angle triangle, three bights of described set square body are provided with the arc outer rim, described set square body is provided with semicircle protractor, arc-shaped edges along described protractor is provided with deep-slotted chip breaker, the described set square body that is positioned at described protractor is provided with an isosceles right angled triangle through hole, the hypotenuse of described isosceles right triangle through hole parallels with the hypotenuse of described set square body, be provided with always plate in the described isosceles right triangle through hole, described straight plate becomes 15 degree angles with the hypotenuse of described isosceles right triangle through hole; Described set square body is provided with a heavy stand, the hinged ruler that is equipped with of described heavy stand one end near hypotenuse.
2. set square as claimed in claim 1 is characterized in that, a right-angle side of described set square body is provided with wave tooth.
3. set square as claimed in claim 2 is characterized in that, the hypotenuse of described set square body is provided with scale and indicates.
4. set square as claimed in claim 3 is characterized in that, described ruler is provided with scale and indicates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320189323 CN203198513U (en) | 2013-04-15 | 2013-04-15 | Set square |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320189323 CN203198513U (en) | 2013-04-15 | 2013-04-15 | Set square |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203198513U true CN203198513U (en) | 2013-09-18 |
Family
ID=49142650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320189323 Expired - Fee Related CN203198513U (en) | 2013-04-15 | 2013-04-15 | Set square |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203198513U (en) |
-
2013
- 2013-04-15 CN CN 201320189323 patent/CN203198513U/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: 20130918 Termination date: 20140415 |