Classroom equipment for applied mathematics teaching

Abstract

An applied mathematics teaching classroom device comprises a transparent angle measuring plate, an angle pointer and a pencil, the upper portion of the transparent angle measuring plate is connected with the angle pointer, the angle pointer slides on the transparent angle measuring plate, the upper portion of the angle pointer is connected with the pencil, one end of the angle pointer is provided with a fixed connecting sleeve, and the middle of the fixed connecting sleeve is provided with a first positioning hole. The lower portion of the fixed connecting sleeve is provided with a positioning groove, the upper portion of the transparent angle measuring plate is provided with a fixed protrusion, the fixed protrusion is matched with the positioning groove, angle lines of different lengths can be observed and measured conveniently, measurement is accurate, the structure is reasonable, use is convenient, the angle line drawing speed is high, and operation is easy. The ruler is combined with the angle measuring function and the angle line drawing function, the functions are diversified, and more visual teaching is provided for angle measuring, angle drawing, straight line measuring and the like in the mathematical teaching process.

Description

Technical Field

[0001] This utility model relates to the field of educational supplies, and in particular to a classroom device for applied mathematics teaching. Background Technology

[0002] An existing patent (publication number: CN 220163534 U) proposes a multifunctional math learning tool, including an angle measuring ruler. An installation component is mounted on the side of the angle measuring ruler, and a circle drawing device is mounted on the side of the installation component. However, the above device can only measure angles and cannot draw angles, which is inconvenient to use and the structure needs to be improved. Summary of the Invention

[0003] This invention addresses the aforementioned shortcomings of existing technologies by providing a convenient and accurate measurement tool for observing and measuring angle lines of different lengths. It features a reasonable structure, ease of use, fast angle line drawing speed, and simple operation. Combining the functions of a ruler with angle measurement and angle line drawing, this versatile tool offers a more intuitive approach to teaching angle measurement, angle drawing, and line measurement in mathematics.

[0004] The objective of this utility model is achieved through the following technical solution:

[0005] A classroom device for applied mathematics teaching includes a transparent angle measuring plate, an angle pointer, and a pencil. The angle pointer is connected to the upper part of the transparent angle measuring plate and slides on the plate. The pencil is connected to the upper part of the pointer. One end of the pointer has a fixed connecting sleeve with a first positioning hole in the middle and a positioning groove in the lower part. The transparent angle measuring plate has a fixed protrusion that fits into the positioning groove. The outer side of the protrusion is connected to the groove, and the protrusion rotates within the groove. The middle of the protrusion has a second positioning hole corresponding to the first.

[0006] The transparent angle measuring plate of this invention has an angle disk on its upper part, a positioning groove inside the transparent angle measuring plate, and a positioning protrusion below the angle pointer. The positioning protrusion is adapted to the positioning groove, and the positioning groove is connected to the outside of the positioning protrusion. The positioning protrusion slides in the positioning groove.

[0007] The positioning protrusion of this utility model has a positioning hole on its inner side, an auxiliary hole at the bottom of the positioning hole, and a positioning connecting sleeve on the upper part of the angle pointer. The positioning protrusion, the positioning hole, and the auxiliary hole are on the same central axis.

[0008] The positioning connecting sleeve of this utility model is connected to a pencil on its inner side, and the positioning insertion hole is also connected to a pencil on its inner side. The lower part of the pencil passes through the positioning connecting sleeve and the positioning insertion hole in sequence, connecting to an auxiliary insertion hole. The transparent angle measuring plate has an auxiliary observation hole inside, the angle pointer has a positioning insertion hole inside, and the positioning insertion hole has an observation hole inside. The positioning insertion hole is located directly above the auxiliary observation hole, and the auxiliary observation hole and the positioning slide are at the same center. The transparent angle measuring plate has a tape measure storage slot inside, and a length measuring tape is connected to the inside of the tape measure storage slot. The length measuring tape slides in the tape measure storage slot, and one end of the length measuring tape has a pull ring. Beneficial effects

[0009] This invention, through the cooperation of the positioning groove, auxiliary observation hole, and auxiliary pointer, facilitates the observation and measurement of angle lines of different lengths, ensuring accurate measurement and a reasonable structure.

[0010] This invention involves inserting a pencil into the positioning connector sleeve, moving the angle pointer, and then drawing a point on the paper or blackboard with the pencil. Connecting two points completes the required angle line. It is convenient to use, allows for fast angle line drawing, and is easy to operate.

[0011] This invention combines the functions of a ruler with angle measurement and angle line drawing. It has a simple and reasonable structure, multiple functions, and is easy to use, providing a more intuitive teaching method for angle measurement, angle drawing, and line measurement in mathematics teaching. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of an applied mathematics teaching classroom device according to the present invention.

[0013] Figure 2 This is a schematic diagram of the transparent angle measuring plate structure of an applied mathematics teaching classroom device according to the present invention.

[0014] Figure 3 This is a schematic diagram of the angle pointer structure of an applied mathematics teaching classroom device according to the present invention.

[0015] Figure 4 This is a bottom view of the angle pointer structure of an applied mathematics teaching classroom device according to the present invention.

[0016] Figure 5 This is a cross-sectional view of the structure of an applied mathematics teaching classroom device according to the present invention. Detailed Implementation

[0017] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments:

[0018] Example 1:

[0019] A classroom device for applied mathematics teaching includes a transparent angle measuring plate 01, an angle pointer 02, and a pencil 03. The angle pointer 02 is connected to the upper part of the transparent angle measuring plate 01 and slides on the transparent angle measuring plate 01. The pencil 03 is connected to the upper part of the angle pointer 02. One end of the angle pointer 02 has a fixed connecting sleeve 09. The fixed connecting sleeve 09 has a first positioning hole 19 in the middle and a positioning groove 15 in the lower part. The transparent angle measuring plate 01 has a fixed protrusion 13 on the upper part, which is adapted to the positioning groove 15. The fixed protrusion 13 is connected to the positioning groove 15 on the outside and rotates within the positioning groove 15. The fixed protrusion 13 has a second positioning hole 20 in the middle, which corresponds to the first positioning hole 19.

[0020] Example 2:

[0021] The transparent angle measuring plate 01 of this utility model has an angle disk 04 on the upper part, a positioning groove 05 inside the transparent angle measuring plate 01, and a positioning protrusion 16 at the lower part of the angle pointer 02. The positioning protrusion 16 is adapted to the positioning groove 05, and the positioning protrusion 16 is connected to the positioning groove 05 on the outside. The positioning protrusion 16 slides in the positioning groove 05.

[0022] Example 3:

[0023] The positioning protrusion 16 of this utility model has a positioning hole 18 on its inner side, and an auxiliary hole 17 at the bottom of the positioning hole 18. The angle pointer 02 has a positioning connecting sleeve 06 on its upper part. The positioning protrusion 16, the positioning hole 18, and the auxiliary hole 17 are on the same central axis.

[0024] Example 4:

[0025] The positioning connecting sleeve 06 of this utility model connects to a pencil 03 on its inner side and to a positioning insertion hole 18 on its inner side. The lower part of the pencil 03 passes through the positioning connecting sleeve 06 and the positioning insertion hole 18 in sequence and connects to an auxiliary insertion hole 17. The transparent angle measuring plate 01 has an auxiliary observation hole 07 inside. The angle pointer 02 has an auxiliary pointer 08 inside. The auxiliary pointer 08 has an observation hole 14 inside and is located directly above the auxiliary observation hole 07. The auxiliary observation hole 07 and the positioning slide 05 are at the same center. The transparent angle measuring plate 01 has a tape measure storage slot 12 inside. The tape measure storage slot 12 is connected to a length measuring tape 10 inside. The length measuring tape 10 slides in the tape measure storage slot 12. One end of the length measuring tape 10 has a pull ring 11.

[0026] Example 5:

[0027] Installation steps: With the cooperation of the positioning groove 05, auxiliary observation hole 07, and auxiliary pointer 08, it is convenient to observe and measure angle lines of different lengths. The measurement is accurate and the structure is reasonable. When it is necessary to draw an angle line, first place the endpoint of the straight line on the center of the first positioning hole 19 and the second positioning hole 20. Then move the angle pointer 02 to adjust the pointer of the angle pointer 02 to the specified angle. Then insert the pencil 03 into the positioning connecting sleeve 06 and rotate the pencil 03. The pencil 03 will make a dot on the paper or blackboard. Then connect the two dots to draw the required angle line. It is convenient to use, fast to draw, and simple to operate. The above device combines the functions of ruler, angle measurement and angle line drawing. The structure is simple and reasonable, the functions are diverse, and the use is convenient. It provides a more intuitive teaching method for angle measurement, angle drawing and straight line measurement in the process of mathematics teaching.

[0028] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A classroom device for applied mathematics teaching, characterized in that: The device includes a transparent angle measuring plate (01), an angle pointer (02), and a pencil (03). The angle pointer (02) is connected to the upper part of the transparent angle measuring plate (01) and slides on the transparent angle measuring plate (01). The pencil (03) is connected to the upper part of the angle pointer (02). One end of the angle pointer (02) has a fixed connecting sleeve (09). The fixed connecting sleeve (09) has a first positioning hole (19) in the middle and a positioning groove (15) at the lower part. The transparent angle measuring plate (01) has a fixed protrusion (13) on the upper part. The fixed protrusion (13) is adapted to the positioning groove (15). The positioning groove (15) is connected to the outside of the fixed protrusion (13). The fixed protrusion (13) rotates in the positioning groove (15). The second positioning hole (20) is located in the middle of the fixed protrusion (13) and corresponds to the first positioning hole (19).

2. The applied mathematics teaching classroom equipment according to claim 1, characterized in that: The transparent angle measuring plate (01) has an angle disk (04) on its upper part, a positioning groove (05) inside the transparent angle measuring plate (01), and a positioning protrusion (16) at the lower part of the angle pointer (02). The positioning protrusion (16) is adapted to the positioning groove (05), and the positioning protrusion (16) is connected to the positioning groove (05) on its outer side. The positioning protrusion (16) slides in the positioning groove (05).

3. The applied mathematics teaching classroom equipment according to claim 2, characterized in that: The positioning protrusion (16) has a positioning hole (18) on its inner side, and an auxiliary hole (17) at the bottom of the positioning hole (18). The angle pointer (02) has a positioning connecting sleeve (06) on its upper part. The positioning protrusion (16), the positioning hole (18), and the auxiliary hole (17) are on the same central axis.

4. The applied mathematics teaching classroom equipment according to claim 3, characterized in that: The inner side of the positioning connecting sleeve (06) is connected to a pencil (03), the inner side of the positioning socket (18) is connected to a pencil (03), the lower part of the pencil (03) passes through the positioning connecting sleeve (06) and the positioning socket (18) in sequence and connects to the auxiliary socket (17), the transparent angle measuring plate (01) has an auxiliary observation hole (07) inside, the angle pointer (02) has a positioning socket (18) inside, the positioning socket (18) has an observation hole (14) inside, the positioning socket (18) is located directly above the auxiliary observation hole (07), the auxiliary observation hole (07) and the positioning slide (05) are at the same center, the transparent angle measuring plate (01) has a tape measure storage slot (12) inside, the tape measure storage slot (12) is connected to a length measuring tape (10) inside, the length measuring tape (10) slides in the tape measure storage slot (12), and one end of the length measuring tape (10) has a pull ring (11).

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