Multifunctional geometric tool for junior high school

Abstract

The utility model discloses a multifunctional junior high school geometry tool, and relates to the technical field of drawing tools. The device comprises a square plate, an inscribed circle is formed in the square plate, a circular plate is fixedly arranged in the inscribed circle, a special-shaped groove is formed in the circular plate, a first triangular block and a second triangular block are fixedly arranged in the special-shaped groove, and one side of the first triangular block is fixedly connected with one side of the second triangular block; a plurality of first holes are formed in the circular plate; through cooperation of the square plate and the ruler, a rectangular coordinate system can be accurately drawn, two geometric circles with different diameters are drawn through the inscribed circle and the circular plate, and an equilateral triangle and a special isosceles triangle are respectively drawn through the first triangular block and the second triangular block, so that the convenience of geometric figure drawing is improved; the convenience of mathematics teaching is improved; by arranging the magnet block, the geometric tool can be attracted and fixed to the blackboard through the magnet block, and operation is convenient and fast in the geometric figure drawing process.

Description

Technical Field

[0001] This utility model relates to the field of drafting tools, specifically to multifunctional geometry tools for junior and senior high school students. Background Technology

[0002] Geometric tools are a class of tools used to assist teaching and learning. They are mainly used to help learners intuitively understand and master geometric concepts, shapes, sizes, and spatial relationships. Plane geometry teaching tools usually include models of various geometric shapes, such as special right-angled triangles, compasses, spheres, cubes, cones, cylinders, etc., as well as tools and materials for constructing and manipulating these shapes. Geometric tools are widely used in education, especially in geometry teaching. They can help students understand abstract geometric concepts through practical operations and enhance their spatial imagination and hands-on skills.

[0003] However, the geometric figures in existing junior and senior high school geometry tools are mostly simple. If different types of geometric figures need to be drawn, different types of geometric tools are required, which makes the drawing of geometric figures very inconvenient. Utility Model Content

[0004] In order to solve the above problems, the purpose of this utility model is to provide a multifunctional geometry tool for junior and senior high school students.

[0005] To solve the above technical problems, the present invention adopts the following technical solution: a multifunctional junior and senior high school geometry tool, including a square plate, an inscribed circle on the square plate, a circular plate fixedly arranged inside the inscribed circle, an irregular groove on the circular plate, and a first triangle block and a second triangle block fixedly arranged inside the irregular groove, with one side of the first triangle block and one side of the second triangle block fixedly connected.

[0006] The circular plate has several holes of number one, the number one triangular block has several holes of number two, the number two triangular block has several holes of number three, and several semi-circular holes are opened on one side of the number one triangular block and one side of the number two triangular block.

[0007] The first triangle is an equilateral triangle, and the second triangle is a golden triangle.

[0008] Preferably, a ruler is provided on all four sides of the square plate.

[0009] Preferably, magnet blocks are fixedly installed at each of the four corners of the square plate.

[0010] Preferably, the square plate has hanging holes.

[0011] Preferably, the square plate has a slot, and a U-shaped handle is hinged to the inside of the slot.

[0012] Preferably, the square plate, the circular plate, the first triangular block and the second triangular block are made of transparent plate.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、In the utility model, through the cooperation of the square plate and the scale, the coordinate system can be accurately drawn, two geometric circles with different diameters are drawn through the inscribed circle and the circular plate, the equilateral triangle, the right triangle, the isosceles right triangle, the golden triangle, the regular pentagon, the five-pointed star, the parallel line, the parallelogram, the special parallelogram, the right trapezoid, the isosceles trapezoid and even the parabola can be drawn through the first triangular block and the second triangular block, almost covering all high school plane geometric figures, thereby improving the convenience of geometric figure drawing, and further improving the convenience of mathematics teaching.

[0015] 2、In the utility model, through the setting of the hanging hole, the geometric appliance can be hung on the wall when not in use, through the setting of the U-shaped handle, the square plate can be conveniently taken by the teaching personnel, and the operation is convenient.

[0016] 3、In the utility model, through the setting of the magnet block, the geometric appliance can be fixed on the blackboard through the magnet block, and in the process of drawing geometric figures, the operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.

[0018] Fig. 1 It is the overall structure schematic diagram of the utility model multifunctional high school geometry appliance.

[0019] Fig. 2 It is the opening state schematic diagram of the utility model U-shaped handle.

[0020] Fig. 3 It is the angle marking diagram of the triangular block of the utility model.

[0021] In the drawing: 1, square plate;2, inscribed circle;3, circular plate;4, special groove;5, first triangular block;6, second triangular block;11, scale;12, magnet block;13, hanging hole;14, slot;15, U-shaped handle;31, first hole;51, second hole;61, third hole;62, semicircular hole. DETAILED DESCRIPTION

[0022] 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.

[0023] Example: Figs. 1-3 As shown, this utility model provides a multifunctional geometry tool for junior and senior high school students, including a square board 1. A ruler 11 is provided around the four sides of the square board 1. By using the ruler 11, a precise coordinate system (unit: cm, X-axis and Y-axis) can be drawn on the blackboard. Magnet blocks 12 are fixedly installed at each of the four corners of the square board 1. By attaching the magnet blocks 12 to the blackboard, the square board 1 can be fixed to the blackboard, facilitating the drawing of geometric figures by teachers. A hanging hole 13 is provided on the square board 1, allowing it to be hung on a wall when not in use. A slot 14 is provided on the square board 1, and a U-shaped handle 15 is hinged inside the slot 14, making it easy for teachers to carry. An inscribed circle 2 is provided on the square board 1, and a circular plate 3 is fixedly installed inside the inscribed circle 2. Circle 2 and circular plate 3 can be used to draw two geometric circles of different diameters. Circular plate 3 has irregular grooves 4, and triangular blocks 5 and 6 are fixedly set inside the irregular grooves 4. By setting the irregular grooves 4, triangular blocks 5 and 6, equilateral triangles and golden triangles can be drawn. One side of triangular block 5 and one side of triangular block 6 are fixedly connected. Triangular block 5 is an equilateral triangle with three angles of 60°. Triangular block 6 is a golden triangle with two angles of 72° and the other angle of 36°. Its application spans mathematics, art, nature, and industry. Its core lies in the universal influence of the golden ratio on human visual perception and natural laws. Through geometric construction and proportional coordination, it establishes a deep connection between aesthetics and function.

[0024] A plurality of first holes 31 are formed on the circular plate 3, a plurality of second holes 51 are formed on the first triangular block 5, and a plurality of third holes 61 are formed on the second triangular block 6, through the first holes 31, the second holes 51 and the third holes 61, when the coordinate system is drawn through the square plate 1, different points can be drawn in the coordinate system according to the first holes 31, the second holes 51 and the third holes 61, and then a curve (the chalk passes through the first holes 31, the second holes 51 and the third holes 61) is drawn according to the different points, a plurality of semicircular holes 62 are formed on one side of the first triangular block 5 and one side of the second triangular block 6, through the semicircular holes 62, two adjacent semicircular holes 62 form a whole circle, and when the chalk passes through the two adjacent semicircular holes 62, the sides of the equilateral triangle and the isosceles triangle can be drawn;

[0025] The square plate 1, the circular plate 3, the first triangular block 5 and the second triangular block 6 are made of transparent plates, through the square plate 1, the circular plate 3, the first triangular block 5 and the second triangular block 6 made of transparent plates, when the geometric tool is pasted on the blackboard, the operation is convenient to observe;

[0026] Working principle: when a geometric figure needs to be drawn, a teaching staff first pastes the geometric tool on the blackboard, and through the adsorption of the four magnet blocks 12 and the blackboard, the geometric tool is fixed on the blackboard;

[0027] Then, the coordinate system is accurately drawn through the square plate 1 and the scale 11, different points are drawn in the coordinate system through the first holes 31, the second holes 51 and the third holes 61, and then a curve is drawn according to the different points, so that the drawing of the coordinate system is completed;

[0028] Two geometric circles with different diameters are drawn through the inscribed circle 2 and the circular plate 3, an equilateral triangle, a right triangle, an isosceles right triangle, a golden triangle, a regular pentagon, a five-pointed star, parallel lines, a parallelogram, a special parallelogram, a right trapezoid, an isosceles trapezoid and even a parabola can be drawn through the first triangular block 5 and the second triangular block 6, which almost covers all the plane geometric figures in junior and senior high schools.

[0029] The standard parts used in the present application can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0030] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. Multifunctional primary and secondary school geometry set, comprising a square plate (1), characterized in that: The square plate (1) is provided with an inscribed circle (2), the inside of the inscribed circle (2) is fixedly provided with a circular plate (3), the circular plate (3) is provided with a special-shaped groove (4), the inside of the special-shaped groove (4) is fixedly provided with a first triangular block (5) and a second triangular block (6), one side of the first triangular block (5) and one side of the second triangular block (6) are fixedly connected. The circular plate (3) is provided with a plurality of first holes (31), the first triangular block (5) is provided with a plurality of second holes (51), the second triangular block (6) is provided with a plurality of third holes (61), one side of the first triangular block (5) and one side of the second triangular block (6) are provided with a plurality of semicircular holes (62). The first triangular block (5) is an equilateral triangle, and the second triangular block (6) is a golden triangle.

2. The multi-purpose junior high school geometry set according to claim 1, wherein The square plate (1) is provided with a scale (11) around.

3. The multi-purpose junior high school geometry set according to claim 1, wherein The square plate (1) is provided with a magnet block (12) at the four corners.

4. The multi-purpose junior high school geometry set according to claim 1, wherein The square plate (1) is provided with a hanging hole (13).

5. The multi-purpose junior-high school geometry set according to claim 1, wherein The square plate (1) is provided with a notch (14), and the inside of the notch (14) is hingedly provided with a U-shaped handle (15).

6. The multi-purpose junior high school geometry set of claim 1, wherein, The square plate (1), the circular plate (3), the first triangular block (5) and the second triangular block (6) are made of transparent plates.

Images