CN218315988U

CN218315988U - Novel ruler

Info

Publication number: CN218315988U
Application number: CN202222521762.9U
Authority: CN
Inventors: 伍永安; 张军强
Original assignee: Jincheng Zhengener Education Consulting Co ltd
Current assignee: Jincheng Zhengener Education Consulting Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-01-17
Anticipated expiration: 2032-09-23

Abstract

The utility model provides a new ruler, which comprises a ruler body, wherein the ruler body comprises a ruler, a protractor, a 45-degree set square and a 30-degree set square; the ruler the protractor 45 set square with the top of 30 set square is equipped with the multiunit scale, and the scale includes scale mark, logarithm scale interval, square root scale interval respectively. The utility model discloses the scale mark with main commonly used, the logarithm scale interval, square root scale interval and reciprocal scale interval set up on the ruler, the angle scale interval, the sine scale interval, the cosine scale interval, the tangent scale interval, the radian scale interval and contain pi scale interval and set up on the protractor, the scale mark sets up on 30 set squares, the logarithm scale interval of 0.5-1.5 within range, square root scale interval, the scale interval of e, ln scale interval and square root scale interval set up on 45 set squares, make things convenient for the student to use when doing the problem, be convenient for student's reading and measurement, improve the efficiency of doing the problem, practice thrift the examination time.

Description

Novel ruler

Technical Field

The utility model relates to a stationery technical field, in particular to new style ruler.

Background

The ruler is needed in the course of junior high school, the conventional ruler is only limited to measuring length and angle size, the logarithm value, the square root value, the inverse value, the sine value, the cosine value, the tangent value, the radian value and the tangent ratio of the special triangle can be used in the problem solving process, the conventional ruler cannot measure and read the problem, the problem solving efficiency is reduced, the examination time is increased, and therefore a new ruler is provided.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is to provide a new ruler to solve or alleviate the technical problems in the prior art, and at least to provide a useful choice.

The utility model discloses technical scheme is so realized: a novel ruler comprises a ruler body, wherein the ruler body comprises a straight ruler, a protractor, a 45-degree set square and a 30-degree set square;

the ruler, the protractor, the 45-degree triangular plate and the 30-degree triangular plate are provided with a plurality of groups of scales above, and the scales respectively comprise scale marks, logarithmic scale values, square root scale values, reciprocal scale values, angle scale values, tangent scale values, sine scale values, cosine scale values, radian scale values, tangent ratio scale values of seven triangles, scale values containing pi fraction, logarithmic scale values, square root scale values, e scale values, ln scale values and square root scale values.

Preferably, five rows of scales are arranged above the ruler, the numerical values of the scale marks in the first row and the last row are the same, the second row is a logarithmic scale value, the third row is a square root scale value, and the fourth row is a reciprocal scale value.

Preferably, six half circles of scales are arranged above the protractor, a first circle of scales from outside to inside above the protractor is an angle scale value, a second circle of scales is a tangent scale value, a third circle of scales is a sine scale value, a fourth circle of scales is a cosine scale value, a fifth circle of scales is a radian scale value, the left half part of the sixth circle is a tangent ratio scale value of seven triangular acute angles, and the right half circle is a scale value containing pi fraction.

Further preferably, two right-angle sides of the 30-degree triangular plate are respectively provided with scale marks, and the zero point of the scale marks on the 30-degree triangular plate is located at the intersection point of the two right-angle sides.

Further preferably, three sides of 45 set square all are equipped with the scale, the hypotenuse department mark of 45 set square is the logarithm scale value and the square root scale value of 0.5-1.5 within ranges, the first row and the fourth row numerical value of 45 set square hypotenuse department are the same, mark respectively on two other sides of 45 set square the scale value, ln scale value and the square root scale value of e.

Further preferably, the ruler, the protractor, the 45-degree triangular plate and the scale dense positions on the 30-degree triangular plate are staggered up and down in scale value and scale line.

The embodiment of the utility model provides a owing to adopt above technical scheme, it has following advantage:

the utility model discloses the scale mark with main commonly used, the logarithm scale interval, square root scale interval and reciprocal scale interval set up on the ruler, the angle scale interval, the sine scale interval, the cosine scale interval, the tangent scale interval, the radian scale interval and contain pi scale interval and set up on the protractor, the scale mark sets up on 30 set-squares, the logarithm scale interval within 0.5-1.5 range, square root scale interval, the scale interval of e, ln scale interval and square root scale interval set up on 45 set-squares, make things convenient for the student to use when the problem is being done, be convenient for student's reading and measurement, improve the efficiency of doing the problem, practice thrift the examination time.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and the following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a structural view of the straight ruler of the utility model;

fig. 2 is a structure diagram of the protractor of the present invention;

FIG. 3 is a structural view of a 45-degree set square of the present invention;

fig. 4 is a 30-degree triangle structure diagram of the present invention.

Reference numerals are as follows: 1. a ruler body; 2. a straightedge; 3. a protractor; 4. a 45 degree set square; 5. a 30 degree triangle.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1, the embodiment of the present invention provides a new ruler, which includes a ruler body 1, wherein the ruler body 1 includes a ruler 2, a protractor 3, a 45 ° triangle 4, and a 30 ° triangle 5;

a plurality of groups of scales are arranged above the ruler 2, the protractor 3, the 45-degree triangular plate 4 and the 30-degree triangular plate 5, and the scales respectively comprise scale lines, a logarithmic scale value, a square root scale value, a reciprocal scale value, an angle scale value, a tangent scale value, a sine scale value, a cosine scale value, a radian scale value, a tangent ratio scale value of seven triangles, a scale value containing pi fraction, a logarithmic scale value, a square root scale value, an e scale value, an ln scale value and a square root scale value.

In one embodiment, five rows of scales are arranged above the ruler 2, the first row and the last row of scale marks have the same numerical value, the second row is a logarithmic scale value, the third row is a square root scale value, and the fourth row is a reciprocal scale value.

In one embodiment, the scale on the ruler 2 is dense, and the scale values and the scale lines can be arranged in a staggered manner from top to bottom.

Example two:

as shown in fig. 2, the embodiment of the present invention provides a new ruler, which includes a ruler body 1, the ruler body 1 includes a ruler 2, a protractor 3, a 45 ° triangle 4, and a 30 ° triangle 5;

a plurality of groups of scales are arranged above the ruler 2, the protractor 3, the 45-degree triangular plate 4 and the 30-degree triangular plate 5, and the scales respectively comprise scale lines, logarithmic scale values, square root scale values, reciprocal scale values, angle scale values, tangent scale values, sine scale values, cosine scale values, radian scale values, tangent ratio scale values of seven triangles, scale values containing pi fraction, logarithmic scale values, square root scale values, e scale values, ln scale values and square root scale values.

In one embodiment, six half-circle scales are arranged above the protractor 3, a first circle above the protractor 3 from outside to inside is an angle scale value, a second circle is a tangent scale value, a third circle is a sine scale value, a fourth circle is a cosine scale value, a fifth circle is a radian scale value, the left half of the sixth circle is a tangent ratio scale value of seven triangular acute angles, and the right half of the sixth circle is a scale value containing pi fraction.

In one embodiment, the scales on the protractor 3 are dense, and the scales can be arranged in a staggered manner up and down.

Example three:

as shown in fig. 4, an embodiment of the present invention provides a new ruler, which includes a ruler body 1, the ruler body 1 includes a ruler 2, an angle gauge 3, a 45 ° set square 4, and a 30 ° set square 5;

In one embodiment, two right-angle sides of the 30-degree triangular plate 5 are respectively provided with scale marks, and the zero point of the scale marks on the 30-degree triangular plate 5 is located at the intersection point of the two right-angle sides, so that a rectangular coordinate system can be conveniently drawn.

In one embodiment, the scales on the 30-degree triangular plate 5 are dense, and the scale lines can be arranged in a staggered mode from top to bottom.

Example four:

as shown in fig. 3, the embodiment of the present invention provides a new ruler, which includes a ruler body 1, wherein the ruler body 1 includes a ruler 2, a protractor 3, a 45 ° triangle 4, and a 30 ° triangle 5;

In one embodiment, three sides of the 45-degree triangular plate 4 are provided with scales, the inclined side of the 45-degree triangular plate 4 is marked with a logarithmic scale value and a square root scale value within the range of 0.5-1.5, the first row and the fourth row of values at the inclined side of the 45-degree triangular plate 4 are the same, the other two sides of the 45-degree triangular plate 4 are respectively marked with a scale value e, a scale value ln and a square root scale value, and the first row and the fourth row of values at the inclined side of the 45-degree triangular plate 4 are the same, so that the corresponding values in the middle can be read or found after alignment, and errors caused by inclination of the 45-degree triangular plate 4 can be reduced.

In one embodiment, the scales on the 45-degree triangular plate 4 are dense, and the scale values can be arranged in a staggered mode from top to bottom.

The utility model discloses at the during operation: a user holds the ruler 2 by hand, and since the numerical values of the first row of scale marks and the last row of scale marks are the same, the personnel can conveniently find out the numerical value corresponding to the middle part by alignment, the error generated by the inclination of the ruler 2 is reduced, when the personnel need to measure the logarithmic value, the square root value and the reciprocal value, the personnel can also find out the numerical value corresponding to the middle part by alignment of the first row of scale marks and the last row of scale marks, the error of the ruler 2 is reduced again, and the personnel can conveniently and accurately measure the logarithmic scale value, the square root scale value and the reciprocal scale value on the ruler 2;

when a person holds the protractor 3 and places the protractor on a measured object, a middle corresponding numerical value is found out for a positive angle numerical value in the angle scale values, and an angle value can also be found according to the middle numerical value, and the angle value is sequentially subjected to angle scale values, tangent scale values, sine scale values, cosine scale values, radian scale values, tangent ratio scale values of seven triangular acute angles and scale values containing pi fraction, so that the person can conveniently measure different numerical values at the same position, and the measurement is convenient;

when a person holds the 30-degree triangular plate 5 and places the 30-degree triangular plate on a measured object, the zero point of the scale mark on the 30-degree triangular plate 5 and the intersection point of the two right-angle sides on the 30-degree triangular plate 5 are convenient for the person to position, the error of the placement of the 30-degree triangular plate 5 is reduced, the measurement is convenient, and a right-angle coordinate system is convenient to draw;

when the person holds 45-degree triangular plates 4 by hands and places the triangular plates on a measuring object, the numerical values of the first row and the fourth row on the 45-degree triangular plates 4 are the same, the numerical values corresponding to the middle are convenient to read or find out after alignment, the error generated by the inclination of the 45-degree triangular plates 4 is reduced, at the moment, the person observes and measures the logarithmic scale value and the square root scale value within the range of 0.5-1.5, the e scale value, the ln scale value and the square root scale value on the other two sides on the 45-degree triangular plates 4 can measure under the condition that the positions of the 45-degree triangular plates 4 are not moved.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a new style ruler, includes ruler body (1), its characterized in that: the ruler body (1) comprises a ruler (2), a protractor (3), a 45-degree triangular plate (4) and a 30-degree triangular plate (5);

the ruler (2), the protractor (3), the 45-degree triangular plate (4) and the 30-degree triangular plate (5) are provided with multiple groups of scales, and the scales respectively comprise scale marks, logarithmic scale values, square root scale values, reciprocal scale values, angle scale values, tangent scale values, sine scale values, cosine scale values, radian scale values, tangent ratio scale values of seven triangles, scale values containing pi fraction, logarithmic scale values, square root scale values, e scale values, l n scale values and square root scale values.

2. The new ruler of claim 1, wherein: the scale is equipped with to five rows of scales in the top of ruler (2), and the numerical value of first row and last row scale mark is the same, and the second row is the logarithm scale value, and the third row is square root scale value, and the fourth row is reciprocal scale value.

3. The new ruler of claim 1, wherein: the top of protractor (3) is equipped with six half circle scales, the top of protractor (3) is from outer to the first circle inwards for the angle scale interval, and the second circle is the tangent scale interval, and the third circle is the sine scale interval, and the fourth circle is the cosine scale interval, and the fifth circle is the radian scale interval, and the sixth circle left half is the tangent ratio scale interval of seven triangle-shaped acute angles, and the right half is for containing pi fraction scale interval.

4. The new ruler of claim 1, wherein: two right-angle sides of 30 set square (5) are equipped with the scale mark respectively, the zero point of scale mark is located two right-angle side nods on 30 set square (5).

5. The new ruler of claim 1, wherein: three limits of 45 set square (4) all are equipped with the scale, the hypotenuse department mark of 45 set square (4) is the logarithm scale value and the square root scale value of 0.5-1.5 within range, the first row and the fourth row numerical value of 45 set square (4) hypotenuse department are the same, mark respectively on two other edges of 45 set square (4) the scale value, ln scale value and the square root scale value of e.

6. The new ruler of claim 1, wherein: the ruler (2), the protractor (3), the 45-degree set square (4) and the 30-degree set square (5) are arranged at the scale dense position in a staggered mode from top to bottom.