CN213322394U - Multifunctional ruler for mathematical teaching - Google Patents

Abstract

The utility model discloses a multifunctional ruler for mathematical education, which comprises a main ruler and an auxiliary ruler, wherein one side of the main ruler is in threaded connection with a protractor through a first bolt, the middle part of the main ruler is provided with a slide way, the middle part of the auxiliary ruler is in threaded connection with a second bolt through a threaded hole, the second bolt is in sliding connection with the slide way, the top of one end of the auxiliary ruler is in sliding connection with a first splint through a first chute, the bottom of one end of the auxiliary ruler is in sliding connection with a second splint through a second chute, one side of the first splint is in threaded connection with the top of a third bolt, and the bottom of the third bolt is in threaded connection with one side of the second splint. The device is convenient for measuring longer objects and is very convenient to use.

Description

Multifunctional ruler for mathematical teaching

Technical Field

The utility model relates to a teaching aid field specifically is a multi-functional chi of using of mathematical education.

Background

Mathematics is a subject of studying concepts such as quantity, structure, variation, space, and information, and belongs to a form science from a certain point of view. Mathematicians and philosophies have a range of views on the exact scope and definition of mathematics. In the process of mathematical teaching in primary and middle schools, a drawing tool often needs to be used, and teachers often need to carry various drawing tools such as a straight ruler, a triangular ruler, a protractor and the like, so that various straight lines, angles, circles and the like can be drawn conveniently, and the graphic structure is displayed more vividly for students.

However, the existing teaching ruler has the defects that the structure function is single, and only the function of measuring and drawing a straight line can be realized, later triangular rulers, angle measuring rulers and the like with specific functions only have the characteristics of themselves and do not have the functions commonly used in other mathematics drawing, teachers may need to bring different types of rulers sometimes during class, the carrying is inconvenient, meanwhile, the existing ruler generally has a certain scale range, if objects explained by the teachers in a class exceed the measuring range of the common ruler, the use of a single ruler is inconvenient, in addition, some multifunctional rulers appearing in the market can not fix two or three rulers on one ruler, and the dismounting and using effects are not convenient and good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional chi of using of mathematics teaching, but the shortcoming of the present ruler of using of teaching that proposes in solving above-mentioned background art lies in that structural function is more single, can only realize measuring and the effect of drawing the straight line, the special function's that appears afterwards set-square and angle scale etc. only also are the characteristic that possesses itself, do not have the function commonly used in other mathematics drawings, mr probably needs to take different types of ruler sometimes when in class, it is inconvenient to carry, the ruler that has now simultaneously generally has certain scale range, if the object that mr explains on the classroom has surpassed the measuring range of general ruler, single ruler uses inconveniently, in addition, some multi-functional chi of appearing on the market, it is not exactly to fix two three rulers on one, dismantle inconvenient result of use also not good enough.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multi-functional chi of using of mathematics teaching, includes main scale and vice chi, one side of main scale is through first bolt and protractor threaded connection, the slide has been seted up at the middle part of main scale, there is the second bolt at the middle part of vice chi through screw hole threaded connection, second bolt and slide sliding connection, just slide and nut threaded connection are passed to the one end of second bolt, the one end fixedly connected with handle of main scale, the other end fixedly connected with shaft pad of main scale, first spout and first splint sliding connection are passed through at the top of vice chi one end, second spout and second splint sliding connection are passed through to the bottom of vice chi one end, the one side of first splint and the top threaded connection of third bolt, the bottom of third bolt and one side threaded connection of second splint.

As a preferred technical scheme of the utility model, main scale and vice chi specification are the same, just the scale has all been carved with on the surface of main scale and the surface of vice chi, the surface of protractor is carved with the protractor scale.

As a preferred technical scheme of the utility model, main scale, vice chi and angle square all have certain thickness, main scale, vice chi and angle square are reinforced plastics and make, the corner of main scale, the corner of vice chi all are the arc design.

As an optimal technical scheme of the utility model, the bottom of main scale and the bottom of vice chi are all wiped the laminating through magic subsides and rubber and are connected.

As an optimal technical scheme of the utility model, the inner wall spraying of slide has lubricating oil, the surface and the nut spraying of second bolt have the anti-rust paint.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the multifunctional ruler is characterized in that a main ruler, an auxiliary ruler and a protractor are arranged, so that functions of the teaching ruler are diversified, the main ruler and the auxiliary ruler are the same in specification, the two rulers can be designed to be 90 degrees and can be used as an isosceles right triangle ruler and an x axis and a y axis of a coordinate system, a shaft pad is arranged at the bottom end of the main ruler, a first clamping plate and a second clamping plate are arranged at the bottom end of the auxiliary ruler, a chalk end can be clamped and temporarily used as a compass, the effect is superior to that of pure hand drawing, multiple functional rulers are integrated, and the multifunctional ruler is simple, practical and convenient to carry;

2. set up first bolt and second bolt, when using, when the special needs need the split to use, can be directly with the protractor, main scale and vice chi three part separately, use as the teaching chi alone, set up the slide simultaneously, when measuring object length is longer, can become flexible the second bolt, make vice chi transversely slide right, fix through the second bolt, the diversion lengthens the main scale, in order to need from time to time, can dismantle, collapsible, high durability and convenient use, excellent in use effect.

Drawings

FIG. 1 is a structural diagram of a main ruler of the multifunctional ruler for mathematics teaching of the present invention;

FIG. 2 is a structural diagram of the auxiliary ruler of the multifunctional ruler for mathematical education of the present invention;

FIG. 3 is a schematic view of the connection between the main ruler and the auxiliary ruler of the multifunctional ruler for mathematics teaching of the present invention;

fig. 4 is the utility model relates to a multi-functional enlarger with chi A of mathematical education.

In the figure: 1. a main scale; 2. a secondary ruler; 3. an angle measuring ruler; 4. a first bolt; 5. a handle; 6. a slideway; 7. a shaft pad; 8. wiping with rubber; 9. a second bolt; 10. a nut; 11. a threaded hole; 12. a first splint; 13. a second splint; 14. and a third bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a multifunctional ruler for mathematical education, comprising a main ruler 1 and an auxiliary ruler 2, wherein one side of the main ruler 1 is connected with a protractor 3 by a first bolt 4, a slideway 6 is arranged at the middle part of the main ruler 1, a second bolt 9 is connected with the middle part of the auxiliary ruler 2 by a threaded hole 11 by a thread, the second bolt 9 is connected with the slideway 6 in a sliding way, and one end of the second bolt 9 passes through the slideway 6 to be in threaded connection with the nut 10, one end of the main ruler 1 is fixedly connected with the handle 5, the other end of the main ruler 1 is fixedly connected with the shaft pad 7, the top of one end of the auxiliary ruler 2 is in sliding connection with the first clamping plate 12 through the first chute, the bottom of one end of the auxiliary ruler 2 is in sliding connection with the second clamping plate 13 through the second chute, one side of the first clamping plate 12 is in threaded connection with the top of the third bolt 14, and the bottom of the third bolt 14 is in threaded connection with one side of the second clamping plate 13.

Preferably, the main scale 1 and the auxiliary scale 2 have the same specification, and the surface of the main scale 1 and the surface of the auxiliary scale 2 are both marked with scales, and the surface of the angle measuring scale 3 is marked with angle measuring scales.

Preferably, the main ruler 1, the auxiliary ruler 2 and the angle ruler 3 all have a certain thickness, the main ruler 1, the auxiliary ruler 2 and the angle ruler 3 are all made of reinforced plastics, and the corners of the main ruler 1 and the corners of the auxiliary ruler 2 are both designed in an arc shape.

Preferably, the bottom of main scale 1 and the bottom of vice chi 2 are all wiped 8 laminating connections through magic subsides and rubber.

Preferably, the inner wall of the slideway 6 is sprayed with lubricating oil, and the surface of the second bolt 9 and the nut 10 are sprayed with antirust paint.

When the multifunctional ruler is used in a concrete way, the main ruler 1 and the auxiliary ruler 2 can be used as rulers when measuring straight lines or drawing straight lines, when angles are required to be measured or drawing angles, the angle measuring ruler 3 on one side of the main ruler 1 can be directly used, the main ruler 1 and the auxiliary ruler 2 have the same specification, when the two rulers are designed to be 90 degrees, points at two ends can be connected to draw isosceles right triangle, and can also be used as an x axis and a y axis of a coordinate system, in addition, the bottom end of the main ruler 1 is provided with the shaft pad 7, the bottom end of the auxiliary ruler 2 is provided with the first clamping plate 12 and the second clamping plate 13, when a teacher draws circles without other tools, a chalk head can be placed between the first clamping plate 12 and the second clamping plate 13, the chalk head is wrapped by sliding the first clamping plate 12 and the second clamping plate 13, the chalk head is fixed by rotating the third bolt 14, then the hand 5 is used for drawing circles by taking the main ruler 1 as a shaft, can regard as a compasses to use temporarily, in addition main scale 1 and vice chi 2 merge together, the handwriting on some blackboards can be cleaned to rubber eraser 8, can take off after the use and clear up, simple and practical, and convenient to carry, when using, because special needs need the split when using, can directly separate protractor 3, main scale 1 and vice chi 2 three, use as the teaching chi alone, longer being greater than main scale 1 length often when measuring object length, twist nut 10, can be not hard up second bolt 9, make vice chi 2 transversely slide right at slide 6, fix through second bolt 9 and nut 10, the diversion lengthens main scale 1, in order to be in the future need of from time to time, can dismantle, folding, and convenient to use.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (5)

1. The utility model provides a multi-functional chi of using of mathematical education, includes main scale (1) and vice chi (2), its characterized in that: one side of the main ruler (1) is in threaded connection with the angle measuring ruler (3) through a first bolt (4), a slide (6) is arranged in the middle of the main ruler (1), the middle of the auxiliary ruler (2) is in threaded connection with a second bolt (9) through a threaded hole (11), the second bolt (9) is in sliding connection with the slide (6), one end of the second bolt (9) penetrates through the slide (6) to be in threaded connection with a nut (10), one end of the main ruler (1) is fixedly connected with a handle (5), the other end of the main ruler (1) is fixedly connected with a shaft pad (7), the top of one end of the auxiliary ruler (2) is in sliding connection with a first clamping plate (12) through a first sliding groove, the bottom of one end of the auxiliary ruler (2) is in sliding connection with a second clamping plate (13) through a second sliding groove, one side of the first clamping plate (12) is in threaded connection with the top of a third bolt (14), the bottom of the third bolt (14) is in threaded connection with one side of the second clamping plate (13).

2. The multifunctional ruler for mathematics teaching of claim 1, wherein: the main ruler (1) and the auxiliary ruler (2) are the same in specification, scales are marked on the surface of the main ruler (1) and the surface of the auxiliary ruler (2), and angle measuring scales are marked on the surface of the angle measuring ruler (3).

3. The multifunctional ruler for mathematics teaching of claim 1, wherein: the main scale (1), the auxiliary scale (2) and the angle measuring scale (3) are all of certain thickness, the main scale (1), the auxiliary scale (2) and the angle measuring scale (3) are made of reinforced plastics, and corners of the main scale (1) and corners of the auxiliary scale (2) are both arc-shaped.

4. The multifunctional ruler for mathematics teaching of claim 1, wherein: the bottom of the main ruler (1) and the bottom of the auxiliary ruler (2) are connected with the rubber eraser (8) in a fitting mode through magic tapes.

5. The multifunctional ruler for mathematics teaching of claim 1, wherein: the inner wall spraying of slide (6) has lubricating oil, the surface and the nut (10) spraying of second bolt (9) have the anti rust paint.

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