CN216139735U - Four-in-one multifunctional comprehensive ruler - Google Patents
Four-in-one multifunctional comprehensive ruler Download PDFInfo
- Publication number
- CN216139735U CN216139735U CN202122012886.XU CN202122012886U CN216139735U CN 216139735 U CN216139735 U CN 216139735U CN 202122012886 U CN202122012886 U CN 202122012886U CN 216139735 U CN216139735 U CN 216139735U
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- angle
- hole
- protractor
- guide
- triangle
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Abstract
The utility model belongs to the field of teaching appliances, in particular to a four-in-one multifunctional comprehensive ruler, which aims at solving the problems that the prior teaching appliance has single function, a plurality of functions, inconvenient carrying, opaque protractors, and poor use effect caused by the fact that two teaching appliances are required to be matched when drawing parallel lines, which comprises a right-angle triangular plate made of transparent organic glass, wherein the right-angle triangular plate is provided with a guide-rail-free right-angle side, a guide-rail right-angle side and a bevel edge, the guide-rail right-angle side is provided with a movable guide rail, compared with the traditional teaching aid, the angle drawing and angle measuring are more convenient, the circle drawing is easy and can be finished at one time, the parallel lines with known straight lines can be drawn conveniently, the regular pentagon or the regular hexagon can be drawn easily, and the sum of two internal angles which are not adjacent to the external angle of the triangle can be intuitively demonstrated.
Description
Technical Field
The utility model relates to the technical field of teaching appliances, in particular to a four-in-one multifunctional comprehensive ruler.
Background
Teaching aid: the teaching aid is a real object which aims at propagating science and technology and educating people, is a complete scientific and technology medium and is an indispensable apparatus in teenager scientific and technology activities. Teaching aids used in scientific and technological activities comprise real object teaching aids and replica teaching aids, teachers often need to draw geometric figures to explain in mathematical classrooms, and most of the teaching aids need to be used for measurement.
Traditional teaching aid function singleness, it is in large quantities, it is not convenient to carry, and the protractor is opaque, and when drawing the rule, must two teaching aid cooperations, the result of use is not good, so we have proposed the multi-functional chi of synthesizing of four unifications for solve the above-mentioned problem that proposes.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects that in the prior art, the teaching aid has single function, a large number of teaching aids and is inconvenient to carry, a protractor is not transparent, and when parallel lines are drawn, two teaching aids are required to be matched, and the using effect is poor.
In order to achieve the purpose, the utility model adopts the following technical scheme:
four-in-one multifunctional comprehensive ruler, including the right angle set square, the right angle set square is transparent organic glass material, be equipped with no guide rail right-angle side, guide rail right-angle side and hypotenuse on the right angle set square, be equipped with the movable guide rail on the guide rail right-angle side, and movable guide rail and guide rail right-angle side sliding connection, the front side of right angle set square is equipped with the protractor datum line, be equipped with the protractor on the protractor datum line, and be equipped with angle identification line on the protractor, the front side of right angle set square is opened and is equipped with compasses single foot mounting hole, the front side on right angle set square is opened and is equipped with regular pentagon hole, regular hexagon hole and round hole.
Preferably, for the convenience of drawing different radial circles, the front side of right angle set square is opened and is equipped with the radius hole, and the radius hole is provided with a plurality ofly, and a plurality of radius holes are the equidistance and arrange, the front side of right angle set square is equipped with the compasses datum line, and the centre of a circle in a plurality of radius holes and the centre of a circle in compasses single foot mounting hole all are located the compasses datum line.
Preferably, in order to facilitate the identification work of fixed-point angle drawing, an arc-shaped hole is formed in the front side of the right-angle set square, the arc-shaped hole and the protractor are arranged in the same circle center, radius scales are arranged on the bevel edge, and the bevel edge and the compass reference line are arranged in parallel.
Preferably, in order to facilitate the placement of chalk for marking, a leak hole is formed in the front side of the right-angle triangle, the circle center of the leak hole coincides with the circle center of the protractor, and scale marks are arranged on the non-guide right-angle edge and the guide right-angle edge.
The utility model has the beneficial effects that: when the angle gauge is used for measuring angles or drawing angles at fixed points, the protractor datum line is horizontally arranged, a corresponding angle marking line is searched on the protractor, the arc-shaped hole is marked, the operation of angle measurement or fixed point angle drawing can be completed, when circles with different radiuses are drawn, the circle center position of a single-pin mounting hole of the compasses is kept unchanged, chalk penetrates out of the corresponding radius hole to the rear side of the right-angle triangular plate, circles with different radiuses can be drawn by rotating the right-angle triangular plate, when parallel lines are drawn, no guide right-angle side is attached to a known straight line, the position of a moving guide rail on the guide right-angle side is kept unchanged, a right-angle guide rail side is moved upwards or downwards, the parallel lines are drawn on the guide-free right-angle side, the left-side included angle of the guide rail side and the protractor datum line, the included angles of the guide rail side and the bevel side and the protractor datum line and the bevel side can also be utilized, an external angle of the visualized demonstration triangle is equal to the sum of two internal angles which are not adjacent to the external angle, and the regular pentagon and the regular hexagon with different side lengths can be drawn by using the regular pentagon holes and the regular hexagon holes, specifically, one angle is drawn firstly, the length of one side is defined by user, and the other sides and angles are drawn in sequence;
for understanding the problem that the central line on the hypotenuse of the right triangle can not be intuitively demonstrated is equal to half of the hypotenuse, the same central line is arranged at the joint of the protractor reference line and the guide-rail-free right-angle side and the guide-rail right-angle side, and the central line on the hypotenuse of the right triangle is convenient to intuitively demonstrate and is equal to half of the hypotenuse.
Drawings
Fig. 1 is a structural perspective view of the four-in-one multifunctional comprehensive ruler provided by the utility model.
In the figure: the compass comprises a right-angle set square 1, a guide-rail-free right-angle side 2, a guide-rail right-angle side 3, a bevel side 4, an arc-shaped hole 5, a protractor 6, a leak hole 7, a regular pentagon hole 8, a regular hexagon hole 9, a round hole 10, a compass datum line 11, a radius hole 12, a compass single-foot mounting hole 13 and a protractor datum line 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1, four-in-one multifunctional comprehensive ruler, including right angle set square 1, right angle set square 1 is transparent organic glass material, be equipped with no guide rail right-angle side 2 on the right angle set square 1, guide rail right-angle side 3 and hypotenuse 4, be equipped with the removal guide rail on the guide rail right-angle side 3, and remove guide rail and 3 sliding connection on the guide rail right-angle side, the front side of right angle set square 1 is equipped with protractor datum line 14, be equipped with protractor 6 on the protractor datum line 14, and be equipped with angle identification line on the protractor 6, the front side of right angle set square 1 is opened and is equipped with compasses single foot mounting hole 13, the front side of right angle set square 1 is opened and is equipped with regular pentagon hole 8, regular hexagon hole 9 and round hole 10.
Example two
The following further improvements are made on the basis of the first embodiment:
in the utility model, in order to draw circles with different radiuses, the circle center position of the compass single-foot mounting hole 13 is kept unchanged, a chalk penetrates out of the corresponding radius hole 12 to the rear side of the right-angle triangle 1, the right-angle triangle 1 is rotated to draw circles with different radiuses, the radius hole 12 is arranged on the front side of the right-angle triangle 1, the radius holes 12 are arranged in plurality and are arranged equidistantly, the compass reference line 11 is arranged on the front side of the right-angle triangle 1, the circle centers of the radius holes 12 and the circle center of the compass single-foot mounting hole 13 are both positioned on the compass 11, when an angle or a fixed-point angle is measured by using the protractor 6, the protractor reference line 14 is horizontally arranged, the corresponding angle marking line is searched on the protractor 6, the arc-shaped hole 5 is marked, the angle measurement or the fixed-point angle drawing operation can be completed, when circles with different radiuses are drawn, the circle center position of the compasses single-leg mounting hole 13 is kept unchanged, a chalk penetrates out of the corresponding radius hole 12 to the rear side of the right-angle triangle 1, circles with different radiuses can be drawn by rotating the right-angle triangle 1, when parallel lines are drawn, the guide-rail-free right-angle side 2 is not attached to a known straight line, the position of a moving guide rail on the guide-rail right-angle side 3 is kept unchanged, the guide-rail right-angle side 3 is moved upwards or downwards, the parallel lines are drawn on the guide-rail-free right-angle side 2, the left-side included angle of the guide-rail right-angle side 3 and the protractor reference line 14, the included angle of the guide-rail right-angle side 3 and the bevel edge 4 and the included angle of the protractor reference line 14 and the bevel edge 4 can be used, an external angle of a visual demonstration triangle is equal to the sum of two internal angles which are not adjacent to the external angle, the regular pentagon and the regular hexagon with different side lengths can be drawn by using the regular pentagon hole 8 and the regular hexagon hole 9, specifically, an angle is drawn firstly, the length of one side is defined by user, the rest sides and angles are drawn in sequence, the angle drawing and angle measuring are more convenient, the circle drawing is easy and can be finished in one go, the parallel lines of the known straight lines can be drawn conveniently, the regular pentagon or the regular hexagon can be drawn easily, and the sum of two inner angles which are not adjacent to the outer angle of the triangle can be visually demonstrated.
In the utility model, in order to facilitate the marking work of fixed-point drawing, the protractor reference line 14 is horizontally arranged, a corresponding angle marking line is searched on the protractor 6, and the marking is carried out at the arc-shaped hole 5, so that the angle measurement or fixed-point drawing operation can be completed, the arc-shaped hole 5 is arranged on the front side of the right-angle triangle 1, the arc-shaped hole 5 and the protractor 6 are arranged concentrically, the bevel edge 4 is provided with radius scales, and the bevel edge 4 and the compass reference line 11 are arranged in parallel.
In the utility model, in order to conveniently place chalk for marking, the position of the circle center of the single-leg mounting hole 13 of the compasses is kept unchanged, the chalk penetrates out of the corresponding radius hole 12 to the rear side of the right-angle triangle 1, the front side of the right-angle triangle 1 is provided with the leakage hole 7, the circle center of the leakage hole 7 is coincided with the circle center of the protractor 6, and the guide-rail-free right-angle side 2 and the guide-rail-free right-angle side 3 are provided with scale marks.
In the utility model, when the angle is measured or the angle is drawn at a fixed point by using the protractor 6, the protractor reference line 14 is horizontally arranged, a corresponding angle marking line is searched on the protractor 6, the identification is carried out at the arc-shaped hole 5, the operation of angle measurement or fixed point angle drawing can be completed, when circles with different radiuses are drawn, the circle center position of the compasses single-pin mounting hole 13 is kept unchanged, chalk penetrates out of the corresponding radius hole 12 to the rear side of the right-angle triangular plate 1, the circles with different radiuses can be drawn by rotating the right-angle triangular plate 1, when parallel lines are drawn, the guide-rail-free right-angle side 2 is attached to a known straight line, the position of a moving guide rail on the guide-rail right-angle side 3 is kept unchanged, the guide-rail right-angle side 3 is moved upwards or downwards, the parallel lines are drawn on the guide-rail-free right-angle side 2, the included angles of the guide-rail-free right-angle side 3 and the bevel side 4 and the included angles of the protractor reference line 14 can also be utilized, an external angle of audio-visual demonstration triangle equals with its two nonadjacent interior angle sums, can also utilize regular pentagon hole 8 and regular hexagon hole 9 to draw the unequal regular pentagon of length of side and regular hexagon, specifically draw a corner earlier, the length on self-defined limit again, draw remaining limit and angle in proper order, compare traditional teaching aid, it is more convenient to draw the corner and measure the angle, the drawing circle is light, in one go, be convenient for draw the parallel line of known straight line, can easily draw regular pentagon or regular hexagon, an external angle that can audio-visual demonstration triangle equals with its two nonadjacent interior angle sums.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (4)
1. Four-in-one multifunctional comprehensive ruler, including right triangle (1), right triangle (1) is transparent organic glass material, be equipped with on right triangle (1) and do not have guide rail right angle limit (2), guide rail right angle limit (3) and hypotenuse (4), its characterized in that, be equipped with the removal guide rail on guide rail right angle limit (3), and remove guide rail and guide rail right angle limit (3) sliding connection, the front side of right triangle (1) is equipped with protractor datum line (14), be equipped with protractor (6) on protractor datum line (14), and be equipped with angle identification line on protractor (6), the front side of right triangle (1) is opened and is equipped with compasses monopod mounting hole (13), the front side of right triangle (1) is opened and is equipped with regular pentagon hole (8), regular hexagon hole (9) and round hole (10).
2. The four-in-one multifunctional comprehensive ruler according to claim 1, wherein a radius hole (12) is formed in the front side of the right-angle triangle (1), the radius hole (12) is provided in plurality, the radius holes (12) are arranged at equal intervals, a compass reference line (11) is arranged on the front side of the right-angle triangle (1), and the circle centers of the radius holes (12) and the compass single-foot mounting hole (13) are both located on the compass reference line (11).
3. The four-in-one multifunctional comprehensive ruler according to claim 1, wherein an arc-shaped hole (5) is formed in the front side of the right-angle set square (1), the arc-shaped hole (5) and the protractor (6) are concentrically arranged, radius scales are arranged on the bevel edge (4), and the bevel edge (4) and the compass reference line (11) are arranged in parallel.
4. The four-in-one multifunctional comprehensive ruler according to claim 1, wherein a leak hole (7) is formed in the front side of the right-angle set square (1), the circle center of the leak hole (7) is coincident with the circle center of the protractor (6), and scale marks are arranged on the guide-rail-free right-angle side (2) and the guide-rail right-angle side (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122012886.XU CN216139735U (en) | 2021-08-25 | 2021-08-25 | Four-in-one multifunctional comprehensive ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122012886.XU CN216139735U (en) | 2021-08-25 | 2021-08-25 | Four-in-one multifunctional comprehensive ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216139735U true CN216139735U (en) | 2022-03-29 |
Family
ID=80807900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122012886.XU Expired - Fee Related CN216139735U (en) | 2021-08-25 | 2021-08-25 | Four-in-one multifunctional comprehensive ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216139735U (en) |
-
2021
- 2021-08-25 CN CN202122012886.XU patent/CN216139735U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220329 |
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| CF01 | Termination of patent right due to non-payment of annual fee |