CN112976891A

CN112976891A - Novel ruler for mathematical education

Info

Publication number: CN112976891A
Application number: CN201911277397.8A
Authority: CN
Inventors: 苏文华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2021-06-18

Abstract

The invention discloses a novel ruler for mathematical education, which comprises a main body, wherein the main body is internally connected with a protractor and a set square respectively, scale marks are fixed on the edges of the main body, the protractor and the set square, rotating shafts are connected inside the main body, the protractor and the set square, a handle is fixed on one side of the main body, a laser pen is connected on one side of the main body, a light beam window is fixed on the outer surface of the laser pen, a laser pen is fixed on one side of the laser pen, and magnetic strips are fixed on the bottom and one side of the main body. According to the invention, the protractor and the triangular ruler can be folded through the arranged rotating shaft, so that the protractor and the triangular ruler are convenient to carry and draw during class, and meanwhile, the triangular ruler can be adjusted to be parallel to the main body when the length of the main body is insufficient, so that the length of the main body is increased more conveniently in teaching, and the problem that the main body needs to be replaced frequently in the using process is solved.

Description

Novel ruler for mathematical education

Technical Field

The invention relates to the technical field of novel rulers for mathematical education, in particular to a novel ruler for mathematical education.

Background

The stationery includes study stationery, office stationery, gift stationery and the like, the study stationery is an important branch of stationery, the study stationery is mainly divided into student supplies and teaching supplies, at present, teacher equipment is rapidly developed, and a ruler is also called a measuring ruler, and is a common tool in the stationery field for drawing line segments and measuring length. The scale is usually graduated to measure length. Some rulers, leave special shape like letter or circular shape hole in the centre, make things convenient for the user to draw, be used for measuring length usually, generally divide into the tape measure, slide caliper, the square, the ruler, primary school's teaching ruler function singleness among the prior art, it is inconvenient to carry, the teacher can not carry out quick drawing on the blackboard according to the content of giving lessons when using, common multi-functional teaching ruler function is complicated, the cost of manufacture is high, and be unsuitable for using widely, the teaching work of giving the teacher brings very big inconvenience.

Present mathematical education uses novel ruler, in teaching, in order to draw the circle, the angle of drawing, water flat line etc. often will multiple ruler or protractor cooperation use, it is very troublesome and difficult to carry to use, need frequently to change in the use, the waste time, and the ruler, the set-square, protractor etc. are stored and are also relatively wasted the space, present mathematical education uses novel ruler, in teaching, in the time of especially mathematical class, when the teacher need carry out the explanation to one topic or a picture, need a stand lift up the arm on the platform and carry out the explanation, can all lead to the very sour mr's arm especially stature than short mr like this usually, also can't go down the classroom discipline of whole class indifferent classmate of platform.

Disclosure of Invention

The invention aims to: the novel ruler for mathematical education is provided for solving the problems of the functionality of the ruler and teaching of teachers.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a novel ruler is used in mathematics teaching, includes the main part, the inside of main part is connected with protractor and set square respectively, the limit of main part and protractor and set square is fixed with the scale mark, the internal connection of main part and protractor and set square has the pivot, one side of main part is fixed with the handle, one side of main part is connected with the laser pen, the external fixed surface of laser pen has the light beam window, one side of laser pen is fixed with the laser pen and opens light, the internal fixation of laser pen has the battery, one side of battery is connected with the laser circuit board, one side of laser circuit board is connected with the laser module, the bottom and one side of main part are fixed with the magnetic strip.

As a further description of the above technical solution:

and the outer surfaces of the scale marks are provided with a layer of protective film.

As a further description of the above technical solution:

the main body, the protractor and the set square are made of plastic.

As a further description of the above technical solution:

and protective strips are arranged at 8 corners of the main body and 3 corners of the triangular ruler.

As a further description of the above technical solution:

the laser pen can release laser and astigmatism through the laser module.

As a further description of the above technical solution:

the length of the scale line of the main body is 50 cm.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. the portable folding ruler is provided with the main body, the protractor, the set square, the rotating shaft, the handle and the magnetic strip, the protractor and the set square can be folded through the rotating shaft, drawing during class is convenient to carry, and meanwhile, the set square can be adjusted to be parallel to the main body when the length of the main body is insufficient, so that the length of the main body is increased more conveniently in teaching, and the problem that the main body needs to be replaced frequently in the using process is solved.

2. According to the invention, the main body and the laser pen are arranged, so that a teacher needs to stand on a platform to lift arms for explanation in the teaching process, the arms of the teacher are very sour, especially the teacher with a short stature, and the teacher cannot get off the classroom discipline of individual classmates.

Drawings

Fig. 1 is a schematic main structural view of a novel ruler for mathematical education according to the present invention;

FIG. 2 is a schematic back structure view of the novel ruler for mathematical education according to the present invention;

FIG. 3 is a schematic bottom structure view of the novel ruler for mathematics teaching according to the present invention;

fig. 4 is a schematic partial structural view of the novel ruler for mathematical education according to the present invention.

Illustration of the drawings:

1. a main body; 2. a protractor; 3. a set square; 4. scale lines; 5. a rotating shaft; 6. a handle; 7. a laser pen; 8. a beam window; 9. a laser pen switch; 10. a magnetic strip; 11. a protective film; 12. an anti-collision strip; 13. a laser module; 14. a laser circuit board; 15. a battery.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a novel ruler is used in mathematics teaching, includes main part 1, the inside of main part 1 is connected with protractor 2 and set square 3 respectively, main part 1 is fixed with scale mark 4 with protractor 2 and set square 3's limit, main part 1 and protractor 2 and set square 3's internal connection have pivot 5, one side of main part 1 is fixed with handle 6, one side of main part 1 is connected with laser pen 7, the external fixed surface of laser pen 7 has light beam window 8, one side of laser pen 7 is fixed with the laser pen and opens light 9, the internal fixation of laser pen 7 has battery 15, one side of battery 15 is connected with laser circuit board 14, one side of laser circuit board 14 is connected with laser module 13, the bottom and one side of main part 1 are fixed with magnetic strip 10.

Specifically, as shown in fig. 1-2, the outer surfaces of the graduation marks 4 are provided with a protective film 11 to prevent scratching and blurring of the graduation marks 4.

Specifically, as shown in fig. 1-2, the main body 1, the protractor 2 and the triangular ruler 3 are made of plastic, so that the durability is improved.

Specifically, as shown in fig. 1-2, protection bars 12 are arranged at 8 corners of the

main body

1 and 3 corners of the triangular ruler 3, so that a teacher or a student can be prevented from colliding during use.

Specifically, as shown in fig. 1-2, the laser pointer 7 may release laser light and astigmatism through the laser module 13.

Specifically, as shown in fig. 1-2, the graduation mark 4 of the main body 1 has a length of 50 cm.

The working principle is as follows: when in use, firstly, a user can hold the handle 6 of the main body 1 to draw pictures at selected positions, after the selected positions are selected, the magnetic strips 10 at the bottom and one side of the main body 1 can generate attraction with a blackboard for fixing, secondly, the user can fold the protractor 2 and the triangular ruler 3 through the arranged rotating shaft 5, the carrying and the drawing in class are convenient, meanwhile, the triangular ruler 3 can be adjusted to be parallel to the main body 1 when the length of the main body 1 is insufficient, thereby the length of the main body 1 is more convenient in teaching, the problem that the user needs to frequently change in the use process is solved, and finally, because the user needs to stand on a platform to lift the arm for explaining in the teaching process, the arm of a teacher is very sour, especially the user with short stature, and the classroom discipline of individual students can not be got off, according to the invention, a user can carry out targeted teaching under the desk only by pressing the laser pen switch 9 and emitting a light beam at a desired place through the light beam window 8 only through the laser pen 7 on one side of the main body 1, and when the user wants to point at the desired place, the problem of teaching mode of a teacher is solved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The novel ruler for mathematical education comprises a main body (1) and is characterized in that the main body (1) is internally connected with a protractor (2) and a set square (3) respectively, the main body (1) is fixed with scale marks (4) with the protractor (2) and the set square (3), the main body (1) is connected with a rotating shaft (5) with the protractor (2) and the set square (3), one side of the main body (1) is fixed with a handle (6), one side of the main body (1) is connected with a laser pen (7), the outer surface of the laser pen (7) is fixed with a light beam window (8), one side of the laser pen (7) is fixed with a laser pen opening light (9), the inside of the laser pen (7) is fixed with a battery (15), one side of the battery (15) is connected with a laser circuit board (14), one side of the laser circuit board (14) is connected with a laser module (13), magnetic strips (10) are fixed at the bottom and one side of the main body (1).

2. The novel ruler of claim 1, wherein the outer surfaces of the graduation marks (4) are provided with a protective film (11).

3. The novel ruler of claim 1, wherein the main body (1), the protractor (2) and the set square (3) are made of plastic.

4. The novel ruler for mathematics teaching as claimed in claim 1, characterized in that said main body (1) has protection strips (12) at 8 corners and at 3 corners of said set square (3).

5. The novel ruler of claim 1, wherein the laser pen (7) can release laser light and astigmatism through the laser module (13).

6. The novel ruler for mathematics teaching as claimed in claim 1, characterized in that said scale marks (4) of said main body (1) are 50cm long.