Multifunctional geometric drawing ruler

Abstract

The utility model discloses a multifunctional geometric drawing ruler which comprises a ruler body, and the ruler body is provided with a first circle drawing mechanism, a second circle drawing mechanism, a stereogram drawing mechanism, an angle measuring mechanism and a plurality of graph hollow-out areas. According to the multifunctional ruler, the first circle drawing mechanism, the second circle drawing mechanism, the stereogram drawing mechanism, the angle measuring mechanism and the graph hollowed-out areas in various shapes are arranged on the ruler body, so that straight lines and curves can be drawn, various angles can be read and drawn, and various sectors, arcs, polygons and stereoscopic graphs can be drawn; the circle drawing device further comprises another circle drawing mechanism with a pressing type circle center positioning button as a core, the sharp bottom of the pressing type circle center positioning button can be positioned on paper so as to play a role of a circle center, then a limiting block is adjusted to a proper position, a fastening bolt is screwed to fix the limiting block, and the circle drawing mechanism is used for drawing circles or concentric circles with different sizes. Therefore, radius adjustment is completed, and a larger circle can be drawn by rotating the ruler body with the pressing type circle center positioning button as the circle center.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of drawing, concretely to a multifunctional geometry drawing ruler. BACKGROUND

[0002] When learning geometry, students need to use a ruler, a set square, an angle measuring mechanism and other various auxiliary tools, and the traditional auxiliary tools are independent and separated, and are selected and used respectively, and are inconvenient to carry due to the large number of tools. In order to solve this problem, the market has successively appeared auxiliary tools that are integrated, which reduces the number of auxiliary tools to a certain extent, but still cannot meet the requirements of various geometric figures and multifunctional use, and most of the drawing rulers have complex and disordered structures, which is not conducive to beginners to understand and use. The installation of some tools is relatively complex, and it is inconvenient to disassemble and install, and once some accessories are damaged, they cannot be reassembled, which affects use. SUMMARY

[0003] The utility model aims at providing a multifunctional geometry drawing ruler to solve the problems in the background art.

[0004] To solve the above technical problems, the utility model provides the following technical scheme:

[0005] A multifunctional geometry drawing ruler comprises a ruler body, a first circle drawing mechanism, a three-dimensional drawing mechanism, an angle measuring mechanism, a second circle drawing mechanism and a plurality of pattern hollow areas are arranged on the ruler body.

[0006] The first circle drawing mechanism comprises a circular hollow, a circular turntable is rotatably nested in the circular hollow of the circle drawing mechanism, and a plurality of circle drawing holes are formed in the circular turntable.

[0007] The three-dimensional drawing mechanism comprises a square hollow, a translation movable plate is slidably nested in the square hollow of the three-dimensional drawing mechanism, and a plurality of pattern hollows are formed in the translation movable plate.

[0008] The angle measuring mechanism comprises a rotating rod and a circular hollow, a long protrusion is extended from the center of the circular hollow of the angle measuring mechanism to the ruler body, one end of the rotating rod is rotatably connected to the center of the circular hollow of the angle measuring mechanism on the long protrusion, and the other end of the rotating rod is slidably connected to the ruler body.

[0009] The second circle drawing mechanism comprises a pressing type center positioning button and a long rectangular hollow, and a radius limiting module is arranged in the rectangular hollow of the second circle drawing mechanism.

[0010] In a further embodiment, the pattern hollow areas comprise a circular hollow, a semicircular hollow, a right-angled triangular hollow, an obtuse-angled triangular hollow and a hexagonal hollow.

[0011] Further embodiments, the circular turntable is also provided with straight line hollow, trapezoidal hollow, equilateral triangle hollow, regular hexagon hollow and square hollow.

[0012] Further embodiments, the translation of the movable plate is provided with an oval hollow and parallelogram hollow.

[0013] Further embodiments, the radius limiting module includes a rectangular hollow on the second circle drawing mechanism is connected to the limiting block, the limiting block is provided with a circle drawing hole, the limiting block is provided with a fastening bolt.

[0014] Further embodiments, the ruler body side is a wavy line.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] I, the utility model discloses a first, second circle drawing mechanism, stereogram drawing mechanism, angle measuring mechanism and various shapes of figure hollow area are set up on the ruler body, not only can draw straight line, curve, but also can read and draw various angles, draw various sector, arc, polygon and stereographic figure, draw the circle of different size or concentric circle according to need, can draw the figure required through multiple ways, draw the figure of different size through multiple ways, basically meet the various geometric figures involved in mathematics teaching, compared with the traditional angle measuring drawing ruler, after the technical improvement, the product is more suitable for primary school students to conveniently, quickly, intuitively and accurately learn geometric figure;

[0017] II, the utility model further includes another set of circle drawing mechanism with the press type center positioning button as the core, the press type center positioning button can be pressed down, and the sharp bottom can be positioned on the paper to play the role of the center of the circle, then adjusting the limiting block to the appropriate position, and tightening the fastening bolt to fix the limiting block, so that the adjustment of the radius is completed, then the pen point is placed in the circle drawing hole on the limiting block, and the ruler body is rotated around the press type center positioning button to draw a larger circle, so that the way of drawing a circle is more flexible and convenient, and a larger circle can be drawn.

[0018] III, the second circle drawing mechanism in the utility model can also be used as a writing position correction mechanism, by writing in the long and narrow rectangular hollow, the position of the written text can be limited, and the text will not be offset, so that the student's writing page is neat and beautiful, and the limiting block can adjust the number of written characters in the long and narrow rectangular hollow, which is flexible and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1This is a schematic diagram of the front structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the rear structure of the present invention;

[0021] Figure 3 This is a side view of the push-button center positioning button of this utility model;

[0022] In the diagram: 1. Ruler body; 2. Circular turntable; 3. Draw circle hole; 4. Translational movable plate; 5. Rotating rod; 6. Limiting block; 7. Fastening bolt; 8. Press-type center positioning button. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example 1

[0025] like Figure 1 As shown, this embodiment provides a multifunctional geometric drawing ruler, including a ruler body 1. The ruler body 1 is provided with a first circle drawing mechanism, a 3D drawing mechanism, a protractor mechanism, a second circle drawing mechanism, and several graphic cutout areas. The first circle drawing mechanism includes a circular cutout, within which a circular turntable 2 is rotatably nested. The circular turntable 2 has several circle drawing holes 3. The 3D drawing mechanism includes a square cutout, within which a sliding movable plate 4 is slidably nested. The sliding movable plate 4 has several graphic cutouts. The protractor mechanism includes a rotating rod 5 and a circular cutout. A narrow protrusion extends from the center of the circular cutout of the protractor mechanism into the ruler body 1. One end of the rotating rod 5 is rotatably connected to the center of the circular cutout of the protractor mechanism located on the narrow protrusion. The other end of the rotating rod 5 slides on the ruler body 1. The second circle drawing mechanism includes a press-type center positioning button 8 and a narrow rectangular cutout. A radius limiting module is provided in the rectangular cutout of the second circle drawing mechanism.

[0026] The circular turntable 2 features various cutouts, including straight lines, trapezoids, equilateral triangles, regular hexagons, and squares, allowing for the drawing of corresponding shapes. The straight lines cutouts can depict straight lines, intersections, coordinate systems, or different angular shapes. Rotating the turntable 2 allows for the drawing of identical or different shapes in multiple locations on the drawing. The sliding movable plate 4 features elliptical and parallelogram cutouts. Both sides of the sliding movable plate 4 have scale lines, allowing for the use of the sides as rulers to draw straight lines of the required length.

[0027] The radius limiting module comprises a limiting block 6 which is slidingly connected to the rectangular hollow of the second circle drawing mechanism, a circle drawing hole 3 is formed in the limiting block 6, and a fastening bolt 7 is arranged on the limiting block 6.

[0028] The ruler body 1 is provided with a wavy line on one side, and a straight edge with scales on the other side, which is used for drawing straight lines; the other side is provided with a wavy line, which can be used for drawing wavy lines simply and quickly, marking important points and drawing division lines.

[0029] In the embodiment, the circle drawing mechanism with the press-type center positioning button 8 as the core plays a very important role. The press-type center positioning button 8 can be pressed downward, and the sharp bottom thereof can be positioned on the paper to play the role of the center of the circle. Then, the limiting block 6 is adjusted to the appropriate position, and the fastening bolt 7 is tightened to fix the limiting block 6. In this way, the adjustment of the radius is completed. Subsequently, the pen point is placed in the circle drawing hole 3 on the limiting block 6. The ruler body is rotated with the press-type center positioning button 8 as the center to draw a larger circle. Thus, the way of drawing a circle is more flexible and convenient, and a larger circle can be drawn.

[0030] In the embodiment, the ruler body 1 is provided with a circular rotating disc 2, an angle measuring mechanism and a translation movable plate 4. The circular rotating disc 2 is provided with a plurality of circle drawing holes 3. Different circles, arcs and sectors can be drawn through the circular rotating disc 2, and a plurality of concentric circles can also be drawn at the same time. The ruler body 1 outside the circular hollow area of the angle measuring mechanism is provided with a 0°-360° scale. When the angle measuring mechanism is used to measure an angle, first, one side of the angle is aligned with the long and narrow protruding side of the ruler body 1 extending to the center of the circular hollow area of the angle measuring mechanism, then the rotating rod 5 is rotated to align the side of the rotating rod 5 with the other side of the angle, and finally the angle is read through the scale on the ruler body 1 pointed by the end of the rotating rod 5, so that the angle of the angle is obtained. The angle measuring mechanism is arranged at one end of the ruler body 1, so that the material of the ruler body 1 is simplified, and beginners can quickly identify the angle measuring mechanism. In order to facilitate processing and mold opening, the angle measuring mechanism is integrally formed with the ruler body 1. The angle can be quickly read and drawn through the angle measuring mechanism. Beginners can easily learn and understand the knowledge of the angle through the angle measuring mechanism. The translation movable plate 4 can slide on the ruler body to draw a three-dimensional graph. The ruler body 1 is also provided with a plurality of graphic hollow areas, specifically, the graphic hollow areas include a circular hollow area, a semicircular hollow area, a right-angled triangular hollow area, an obtuse-angled triangular hollow area and a hexagonal hollow area. The corresponding graphics, such as triangles, quadrilaterals, polygons and circles, can be quickly drawn through the graphic hollow areas. The drawing ruler can draw the required graphics and graphics of different sizes through a plurality of ways, basically meeting the various geometric graphics involved in mathematics teaching. The marking line is arranged near each graphic hollow area of the ruler body 1. The line is first drawn to the marking line in the corresponding graphic hollow area, then the gap is connected through the ruler part, and the different graphics from the graphic hollow area are formed, which can develop the imagination of students. Compared with the traditional angle measuring and drawing ruler, the product is more suitable for primary school students to conveniently, quickly, intuitively and accurately learn geometric graphics after technical improvement.

[0031] In the embodiment, in order to facilitate disassembly and installation of the components, the circular rotating disc 2 is provided with a sliding groove and a gap. The ruler body 1 extending to the circular hollow area of the circle drawing mechanism is provided with a protrusion capable of sliding in the sliding groove. The protrusion enters the sliding groove through the gap. The ruler body 1 outside the circular hollow area of the circle drawing mechanism is provided with a 0°-360° scale.

[0032] In the embodiment, by setting the first and second circle drawing mechanisms, the perspective drawing mechanism, the angle measuring mechanism and the various shape pattern hollow areas on the ruler body 1, not only straight lines and curves can be drawn, but also various angles, various sectors, arc lines, polygons and perspective patterns can be read and drawn, different sizes of circles or concentric circles can be drawn according to requirements, the required patterns can be drawn in multiple ways, different sizes of patterns can be drawn in multiple ways, basically all kinds of geometric patterns involved in mathematics teaching are met, compared with the traditional angle measuring and drawing ruler, the product is more suitable for students to conveniently, quickly, intuitively and accurately learn geometric patterns, and the imagination of students is also developed.

[0033] In the embodiment, the second circle drawing mechanism in the utility model can also serve as a writing position correcting mechanism, writing in the long and narrow rectangular hollow area can limit the position of the written characters, so that the characters are not offset, and the students can write neatly and beautifully; in addition, the limiting block 6 can adjust the number of written characters in the long and narrow rectangular hollow area, which is flexible and convenient; the ruler body 1 above the rectangular hollow area is provided with a scale line, the scale line can record and divide the spacing of each character, and can better play the role of writing neatly.

[0034] Embodiment 2

[0035] The difference between the embodiment and the embodiment 1 is that the angle measuring mechanism and the ruler body 1 are set in a split structure, and the two are connected through buckle fastening or plug-in joint, and other structures are the same as those of the embodiment 1, which will not be repeated here.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-functional geometric drawing scale, characterized by: Including ruler body (1), be equipped with first draw circle mechanism, three-dimensional drawing mechanism, angle measuring mechanism, second draw circle mechanism and several graphic hollow area on the ruler body (1); The first draw circle mechanism includes a circular hollow, a circular turntable (2) is rotatably nested in the circular hollow of the draw circle mechanism, and a plurality of draw circle holes (3) are formed in the circular turntable (2); The three-dimensional drawing mechanism includes a square hollow, a translation movable plate (4) is slidingly nested in the square hollow of the three-dimensional drawing mechanism, and a plurality of graphic hollows are formed in the translation movable plate (4); The angle measuring mechanism includes a rotating rod (5) and a circular hollow, the ruler body (1) extends a narrow protrusion to the center of the circular hollow of the angle measuring mechanism, one end of the rotating rod (5) is rotatably connected to the center of the circular hollow of the angle measuring mechanism on the narrow protrusion, and the other end of the rotating rod (5) is slidingly connected to the ruler body (1); The second draw circle mechanism includes a pressing type center positioning button (8) and a narrow rectangular hollow, and a radius limiting module is arranged in the rectangular hollow of the second draw circle mechanism.

2. The multi-functional geometric drafting scale of claim 1, wherein: The graphic hollow area includes a circular hollow, a semicircular hollow, a right triangle hollow, an obtuse triangle hollow and a hexagonal hollow.

3. The multi-functional geometric drafting T-square of claim 1 wherein: The circular turntable (2) is further provided with a straight line hollow, a trapezoidal hollow, an equilateral triangle hollow, an equilateral hexagonal hollow and a square hollow.

4. The multi-functional geometric drafting T-square of claim 1 wherein: The translation movable plate (4) is provided with an elliptical hollow and a parallelogram hollow.

5. The multi-functional geometric drafting T-square of claim 1 wherein: The radius limiting module includes a limiting block (6) slidingly connected to the rectangular hollow of the second draw circle mechanism, a draw circle hole (3) is formed in the limiting block (6), and a fastening bolt (7) is arranged on the limiting block (6).

6. The multi-functional geometric drafting T-square of claim 1 wherein: One side of the ruler body (1) is in a wavy line shape.

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