CN216331109U

CN216331109U - Multifunctional teaching aid

Info

Publication number: CN216331109U
Application number: CN202122604891.XU
Authority: CN
Inventors: 李玉琼; 李发忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-19
Anticipated expiration: 2031-10-27

Abstract

The utility model relates to the technical field of teaching aids, in particular to a multifunctional teaching aid. Including two first rulers and electronic digital display bevel protractors, electronic digital display bevel protractor includes that two rotate the angle square and the electron angle table of connecting, two angle squares of electronic digital display bevel protractor inlay the one end of establishing at two first rulers respectively, make two first rulers form and rotate the connection, outside first ruler was located to the electron angle table for measure the contained angle that shows between two first rulers, the one end that deviates from electronic digital display bevel protractor on the first ruler inlays and is equipped with the chalk sleeve that is used for putting into the chalk. The multifunctional ruler can replace the functions of a ruler, compasses, a set square and a protractor, realizes a multi-purpose effect, and is convenient to carry and use.

Description

Multifunctional teaching aid

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a multifunctional teaching aid.

Background

The teaching aid is a general name of various appliances used for enabling students to visually and vividly understand teaching contents and appliances used by teachers during teaching, and is called teaching aid for short. The teaching aid can improve the learning interest of students, enrich the perceptual knowledge, help to form clear concepts and develop the observation ability and thinking ability of the students. Generally, the teaching aid is classified into a common teaching aid, a special teaching aid and an infant teaching aid 3. The common teaching aids comprise conventional and professional teaching aids used for primary and secondary school basic education and various professional education of major and secondary schools. Generally, the object is a real object, and objective objects are directly presented to students so that the students can directly feel the object; simulation objects including specimens, models and other reproductions, such as globes, human models, engineering equipment models, etc.; the diagram for depicting the object image comprises various visualization diagrams such as pictures, photos, maps, statistics, designs and the like; modern equipment for reproducing the image of the object and the process thereof, such as movie machines, television sets, audio recorders, video recorders, slide projectors, projectors and the like. And conventional teaching aids used during teaching, such as blackboards, blackboard erasers, whiteboards, chalks and the like.

Along with the richness of primary school's science teaching content, the experiment teaching aid kind that needs to use is also more and more, but present teaching aid exists alone mostly and uses, may use several teaching aid simultaneously when the classroom is taught, like ruler, compasses, set-square, protractor etc. the teacher just need carry several apparatus simultaneously like this, and is very inconvenient.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a multifunctional teaching aid which can replace the functions of a ruler, compasses, a set square and a protractor when in use, realizes a multi-purpose effect and is convenient to carry and use.

The technical scheme adopted by the utility model is as follows:

the utility model provides a multifunctional teaching aid, includes two first rulers and electronic digital display bevel protractors, electronic digital display bevel protractor includes that two rotate the angle square and the electron angle table of connecting, two angle squares of electronic digital display bevel protractor inlay the one end of establishing at two first rulers respectively, make two first rulers form to rotate and connect, outside first rulers were located to the electron angle table for measure the contained angle that shows between two first rulers, the one end that deviates from electronic digital display bevel protractor on the first ruler inlays and is equipped with the chalk sleeve that is used for putting into the chalk.

Based on the technical content, the two first rulers can be used for achieving the function of ruler line drawing respectively, the two first rulers can be turned to corresponding included angles by being matched with an electronic angle meter, then angles and triangles can be drawn, and the two first rulers can be erected to be used as compasses for drawing circles by placing chalk in the chalk sleeve. The multifunctional teaching aid can replace the functions of a ruler, compasses, a set square and a protractor, realizes a multi-purpose effect, and is convenient to carry and use.

In one possible design, the teaching aid further comprises a second ruler, and the second ruler is detachably erected on the two first rulers to form a triangular structure. When the ruler is used, the second ruler is detachably erected on the two first rulers, the two first rulers are fixed in position, the two first rulers are prevented from offsetting when a circle is drawn and a line is drawn, a triangular structure is formed by the two first rulers and the second ruler, and a corresponding triangle can be directly drawn after the electronic digital display angle ruler measures a good angle.

In one possible design, a first limiting groove is formed in the first straight ruler, a second limiting groove is formed in the second straight ruler, the second limiting groove is aligned with the first limiting groove, and the second straight ruler is in limiting connection with the first straight ruler through a fixed limiting bolt penetrating through the second limiting groove and the first limiting groove. When the ruler is used, the first ruler and the second ruler can be aligned and adjusted through the first limiting groove in the first ruler and the second limiting groove in the second ruler, so that the connecting position of the first ruler and the second ruler can be adjusted, and the positions of the first ruler and the second ruler can be fixed through the fixing limiting bolts, so that the ruler can be used stably.

In one possible design, the first and second straightedges are provided with graduation marks. When the ruler is used, distance reference is facilitated when lines are drawn through the scale marks arranged on the first ruler and the second ruler.

In one possible embodiment, the chalk sleeve is detachably connected to the first straight rule. When the chalk sleeve is used, the chalk sleeve is detachably connected with the first ruler, so that the chalk sleeve is convenient to disassemble, assemble, replace and carry.

In one possible design, a third limiting groove is formed in the first straight ruler, a movable groove is formed in one end, used for being abutted to the chalk sleeve, of the first straight ruler, the movable groove is communicated with the third limiting groove, a limiting hole aligned with the third limiting groove is formed in one end, deviating from the chalk, of the chalk sleeve, one end, deviating from the chalk, of the chalk sleeve is used for being inserted into the movable groove, and the chalk sleeve is connected with the first straight ruler in a limiting mode through fixing limiting bolts penetrating through the third limiting groove and the limiting hole. When the chalk sleeve is used, the chalk sleeve can be installed and inserted through the movable groove, the alignment adjustment can be carried out through the limiting hole and the third limiting groove, the corresponding fixed limiting bolt can be inserted into the limiting hole and screwed down through the third limiting groove after the position is adjusted, the position fixing is realized, and the chalk sleeve is convenient to assemble and use quickly.

In one possible design, the two first straight rules form a rotation connection with an included angle of 0-180 degrees. When the angle adjusting device is applied, an included angle of 0-180 degrees is formed between the two first straight rulers, so that the angle adjustment in a large range is facilitated, and the two first straight rulers are spliced by 180 degrees so as to draw a longer line segment conveniently.

In one possible design, the first ruler is a transparent plastic ruler, and the two first rulers are the same length. When the transparent plastic ruler is used, the transparent plastic ruler is light in material, firm and durable, and is more suitable for teaching.

The utility model has the beneficial effects that:

the two first rulers can respectively realize the function of drawing lines through the two first rulers, the two first rulers can be turned to the corresponding included angle by matching with the electronic angle meter, then the angle drawing and the triangle drawing are carried out, and the two first rulers can be erected as compasses to be used for drawing circles by placing chalk in the chalk sleeve. The multifunctional teaching aid can replace the functions of a ruler, compasses, a set square and a protractor, realizes a multi-purpose effect, and is convenient to carry and use.

Drawings

Reference will now be made in brief to the drawings that are needed in describing embodiments or prior art.

FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 3 is a schematic view of an electronic digital display angle ruler;

FIG. 4 is a schematic view of the arrangement of the movable slots;

FIG. 5 is a schematic view of the positioning hole;

fig. 6 is a 180-degree splicing view of the first ruler.

In the figure: 1. a first straightedge; 2. an electronic angle meter; 3. a chalk sleeve; 4. chalk; 5. a second straightedge; 6. a first limit groove; 7. a second limit groove; 8. fixing a limit bolt; 9. a third limiting groove; 10. a movable groove; 11. and a limiting hole.

Detailed Description

The utility model is further described with reference to the following figures and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the utility model. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

Example 1:

this embodiment provides a multi-functional teaching aid, as shown in fig. 1 to fig. 3, including two first rulers 1 and electron digital display bevel protractors, electron digital display bevel protractor includes two angle rulers and the electron angle table 2 of rotating the connection, two angle rulers of electron digital display bevel protractor inlay the one end of establishing at two first rulers 1 respectively, make two first rulers 1 form and rotate the connection, electron angle table 2 is located outside first ruler 1 for measure and show the contained angle between two first rulers 1, the one end that deviates from electron digital display bevel protractor on first ruler 1 inlays and is equipped with chalk sleeve 3 that is used for putting into chalk 4.

During specific implementation, the functions of drawing lines on the two first rulers 1 can be achieved respectively, the two first rulers 1 can be turned to corresponding included angles by matching with the electronic angle meter 2, then angles and triangles can be drawn, and the two first rulers 1 can be erected to be used as compasses for drawing circles by placing the chalk 4 in the chalk sleeve 3. The multifunctional teaching aid can replace the functions of a ruler, compasses, a set square and a protractor, realizes a multi-purpose effect, and is convenient to carry and use.

Example 2:

as the optimization to above-mentioned embodiment, teaching aid still includes second ruler 5, second ruler 5 erects on two first rulers 1 detachablely, forms the triangle structure. During concrete implementation, through erectting on two first rulers 1 with the second ruler 5 is detachable, be convenient for carry out rigidity to two first rulers 1, prevent when drawing a circle and setting-out use, two first rulers 1 take place the skew, and form the triangle-shaped structure through two first rulers 1 and second ruler 5, be convenient for directly draw corresponding triangle-shaped after the good angle of electron digital display angle chi volume.

Furthermore, a first limit groove 6 is arranged on the first ruler 1, a second limit groove 7 is arranged on the second ruler 5, the second limit groove 7 is aligned with the first limit groove 6, and the second ruler 5 is in limit connection with the first ruler 1 through a fixed limit bolt 8 penetrating through the second limit groove 7 and the first limit groove 6. During the concrete implementation, through first spacing groove 6 on first ruler 1 and second spacing groove 7 on the second ruler 5, can carry out the counterpoint adjustment of first ruler 1 and second ruler 5 to adjust the hookup location of first ruler 1 and second ruler 5, the rethread is fixed a position and is fixed 8, just can use steadily.

Furthermore, the first ruler 1 and the second ruler 5 are both provided with scale marks. During specific implementation, distance reference is convenient to carry out when drawing lines through the scale marks arranged on the first ruler 1 and the second ruler 5.

Example 3:

as an optimization of the above embodiment, the chalk sleeve 3 is detachably connected to the first straightedge 1. During the concrete implementation, through the detachable connection of chalk sleeve 3 and first ruler 1, be convenient for carry out the dismouting of chalk sleeve 3 and change and carry.

Furthermore, as shown in fig. 4 to 5, a third limiting groove 9 is arranged on the first ruler 1, a movable groove 10 is arranged at one end of the first ruler 1, which is used for being abutted to the chalk sleeve 3, the movable groove 10 is communicated with the third limiting groove 9, a limiting hole 11 which is aligned with the third limiting groove 9 is arranged at one end, which is deviated from the chalk 4, of the chalk sleeve 3, one end, which is deviated from the chalk 4, of the chalk sleeve 3 is used for being inserted into the movable groove 10, and the chalk sleeve 3 is in limiting connection with the first ruler 1 through a fixing limiting bolt 8 which is arranged in the third limiting groove 9 and the limiting hole 11 in a penetrating manner. During specific implementation, the chalk sleeve 3 can be installed and inserted through the movable groove 10, the alignment adjustment can be carried out through the limiting hole 11 and the third limiting groove 9, the corresponding fixed limiting bolt 8 can be inserted into the limiting hole 11 and the third limiting groove 9 and screwed down after the position is adjusted, the position fixing is realized, and the fast assembly and the use are convenient.

Example 4:

as an optimization of the above embodiment, as shown in fig. 6, the two first straight rulers 1 form a rotational connection with an included angle of 0-180 degrees. During specific implementation, an included angle of 0-180 degrees is formed between the two first rulers 1, so that large-range angle adjustment is facilitated, and the two first rulers 1 are spliced by 180 degrees so as to draw longer line segments conveniently.

Furthermore, the first ruler 1 is a transparent plastic ruler, and the lengths of the two first rulers 1 are the same. When the teaching ruler is specifically implemented, the transparent plastic ruler is light in material, firm and durable, and is more suitable for teaching.

The present invention is not limited to the above-described alternative embodiments, and various other forms of products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the utility model, which is defined in the claims, and which the description is intended to be interpreted accordingly.

Claims

1. A multifunctional teaching aid is characterized in that: including two first rulers (1) and electron digital display bevel protractors, electron digital display bevel protractor includes that two rotate the angle square and the electron angle table (2) of connecting, two angle squares of electron digital display bevel protractor inlay the one end of establishing in two first rulers (1) respectively, make two first rulers (1) form and rotate the connection, outside first ruler (1) was located in electron angle table (2) for measure and show the contained angle between two first rulers (1), the one end that deviates from electron digital display bevel protractor on first ruler (1) inlays and is equipped with chalk sleeve (3) that are used for putting into chalk (4).

2. A multi-functional teaching aid as claimed in claim 1, wherein: teaching aid still includes second ruler (5), second ruler (5) are erectd on two first rulers (1) detachablely, form triangular structure.

3. A multi-functional teaching aid as claimed in claim 2, wherein: be equipped with first spacing groove (6) on first ruler (1), be equipped with second spacing groove (7) on second ruler (5), second spacing groove (7) are counterpointed with first spacing groove (6) to through wearing to establish fixed spacing bolt (8) in second spacing groove (7) and first spacing groove (6) with second ruler (5) with first ruler (1) spacing connection.

4. A multi-functional teaching aid as claimed in claim 2, wherein: and scale marks are arranged on the first ruler (1) and the second ruler (5).

5. A multi-functional teaching aid as claimed in claim 1, wherein: the chalk sleeve (3) is detachably connected with the first ruler (1).

6. A multi-functional teaching aid as claimed in claim 5, wherein: be equipped with third spacing groove (9) on first ruler (1), and first ruler (1) is used for docking the one end of chalk sleeve (3) and is equipped with movable groove (10), movable groove (10) and third spacing groove (9) intercommunication, the one end that chalk sleeve (3) deviate from chalk (4) is equipped with spacing hole (11) of counterpointing with third spacing groove (9), and the one end that chalk sleeve (3) deviate from chalk (4) is used for inserting movable groove (10) in, through wearing to establish fixed spacing bolt (8) in third spacing groove (9) and spacing hole (11) with chalk sleeve (3) and first ruler (1) spacing connection.

7. A multi-functional teaching aid as claimed in claim 1, wherein: the two first rulers (1) form a rotary connection with an included angle of 0-180 degrees.

8. A multi-functional teaching aid as claimed in claim 1, wherein: the first ruler (1) is a transparent plastic ruler, and the two first rulers (1) are the same in length.