CN214688761U

CN214688761U - Mathematics teaching ruler

Info

Publication number: CN214688761U
Application number: CN202120181652.5U
Authority: CN
Inventors: 曲春芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-11-12
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a mathematics teaching ruler, including the main scale, the groove of accomodating has been seted up along length direction to one side upper surface of main scale, accomodate inslot portion movable mounting has vice chi, accomodate groove one side and install limit switch, limit switch comprises stopper and spout, the stopper is connected with vice chi, main scale one side fixed mounting has the bevel protractor, the mode and main scale one side fixed connection that the bevel protractor passes through the adhesion, the inside spacing groove of having seted up of bevel protractor, the circular arc chi has been cup jointed to the spacing groove, circular arc chi one side fixed mounting has the bearing connecting block, bearing connecting block and main scale one side fixed connection, the utility model discloses a set up main scale and bevel protractor and make things convenient for the teacher to carry out the measurement of sharp drawing and angle on the classroom, need not the teacher and frequently switch over the ruler that uses difference, practiced thrift valuable classroom time.

Description

Mathematics teaching ruler

Technical Field

The utility model relates to a mathematical education technical field specifically is a mathematical education chi.

Background

At present, the teaching aid function that the teacher used all is more single to all need take multiple teaching aid when the teacher took lessons, especially mathematics teacher more needs multiple teaching aid on lessons, for example drawing ruler, compasses, protractor etc. the teacher gives lessons and will use different mapping tools when the blackboard mapping, will instruct simultaneously again for the student, moreover, present drawing ruler function is more single, and it is extremely troublesome to operate. Therefore, it is necessary to provide a multipurpose ruler for mathematics teaching to solve the above problems. Therefore, we improve this and propose a mathematical teaching ruler.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a mathematics teaching ruler, including the main scale, main scale front end upper surface is provided with length scale mark along length direction, one side upper surface of main scale has been seted up along length direction and has been accomodate the groove, accomodate the inside movable mounting in groove and have the vice chi, accomodate groove one side and install limit switch, limit switch comprises stopper and spout, the stopper is connected with the vice chi, main scale one side fixed mounting has the bevel protractor, the bevel protractor passes through the mode of adhesion and main scale one side fixed connection, the inside spacing groove of having seted up of bevel protractor, the circular arc chi has been cup jointed to the spacing groove, circular arc chi one side fixed mounting has the bearing connecting block, bearing connecting block and main scale one side fixed connection, a chalk is placed and rectangular spout has been seted up at the circular arc chi middle part.

As a preferred technical scheme of the utility model, a section of thick bamboo is placed for hollow structure just to the chalk place a section of thick bamboo portable setting inside rectangular spout, a section of thick bamboo one side fixed mounting is placed to the chalk has the joint module.

As a preferred technical scheme of the utility model, the joint module comprises two sets of joint pieces and joint groove, the joint groove is seted up in circular arc chi one side, the joint piece sets up at joint inslot portion.

As the utility model discloses a preferred technical scheme, an angle chi side surface is provided with the angle sign, an arc chi side surface is provided with the length scale sign, angle sign and length scale sign set up the both sides surface at angle chi and arc chi respectively.

As a preferred technical scheme of the utility model, the right-hand member of main scale is provided with the rotation post along vertical direction normal running fit, the lower terminal surface parallel and level of lower terminal surface and main scale of rotation post, the upper end of rotating the post is fixed with the turn button.

As a preferred technical scheme of the utility model, the cover is established and is fixed with the swivel becket in the rotation post outside, the swivel becket corresponds the position and is being equipped with and accomodate the inslot, the swivel becket sets up with accomodating groove normal running fit, swivel becket one side and vice chi fixed connection.

As an optimal technical scheme of the utility model, the antiskid line has been seted up along the circumference to the turn-button, the main scale uses wooden three-ply board to make, the main scale outside scribbles anticorrosive paint.

The utility model has the advantages that: the utility model is different from the prior art, has reasonable structure, convenient use and simple operation, and can lead a user to understand the working principle simply and clearly, and the utility model is convenient for teachers to draw straight lines and measure angles in class by arranging the main ruler and the angle ruler, thereby avoiding the need of frequently switching and using different rulers by teachers and saving valuable class time; by the aid of the arranged arc ruler, teachers can draw circles with different radiuses, functions are diversified, and the application range is wide; through setting up the pitch arc that the arc chi and the angle ruler teacher can draw required angle, it is accurate to draw, has improved the teaching quality.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of a mathematical education ruler of the present invention;

FIG. 2 is an enlarged view of FIG. 1A;

fig. 3 is an enlarged view at fig. 1B.

In the figure: 1. a main scale; 2. length scale marks; 3. a receiving groove; 4. a secondary ruler; 5. a limit switch; 6. an angle ruler; 7. a circular arc ruler; 8. a bearing connecting block; 9. a chalk placing cylinder; 10. A strip chute; 11. clamping the module; 12. a clamping block; 13. a clamping groove; 14. rotating the column; 15. and (6) turning a button.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, the utility model relates to a mathematics teaching ruler, including main scale 1, main scale 1 front end upper surface is provided with length scale mark 2 along length direction, main scale 1's one side upper surface has been seted up along length direction and has been accomodate groove 3, accomodate the inside movable mounting in groove 3 and have vice chi 4, accomodate groove 3 one side and install limit switch 5, limit switch 5 comprises stopper and spout, the stopper is connected with vice chi 4, main scale 1 one side fixed mounting has bevel protractor 6, bevel protractor 6 is through the mode and the main scale 1 one side fixed connection of adhesion, the inside spacing groove of having seted up of bevel protractor 6, the spacing groove has cup jointed circular arc chi 7, circular arc chi 7 one side fixed mounting has bearing connecting block 8, bearing connecting block 8 and main scale 1 one side fixed connection, circular arc chi 7 middle part has been seted up the chalk and has been placed a section of thick bamboo 9 and rectangular spout 10.

Wherein, a section of thick bamboo 9 is placed for hollow structure and chalk and a section of thick bamboo 9 is portable to be set up inside rectangular spout 10, and a section of thick bamboo 9 one side fixed mounting is placed to chalk has joint module 11, through the joint module 11 that sets up, can fix the chalk after placing the chalk.

Wherein, joint module 11 comprises two sets of joint pieces 12 and joint groove 13, and joint groove 13 is seted up in circular arc chi 7 one side, and joint piece 12 sets up inside joint groove 13, through joint piece 12 and the joint groove 13 that sets up, can make things convenient for the teacher to carry out the fixed of chalk.

Wherein, 6 side surfaces of bevel protractor are provided with the angle sign, and 7 side surfaces of circular arc chi are provided with length scale sign 2, and angle sign and length scale sign 2 set up respectively at the both sides surface of bevel protractor 6 and circular arc chi 7, through circular arc chi 7 and bevel protractor 6 that set up, can make things convenient for the teacher to draw the pitch arc of required angle.

Wherein, the right-hand member of main scale 1 is provided with along vertical direction normal running fit and rotates post 14, rotates the lower terminal surface parallel and level of post 14 and main scale 1, rotates the upper end of post 14 and is fixed with turn button 15, through the rotation post 14 and the turn button 15 that set up, can make things convenient for the teacher to control vice chi 4.

Wherein, rotating column 14 outside cover is established and is fixed with the swivel becket, and the swivel becket corresponds the position and is being equipped with and accomodate the groove 3 in, and the swivel becket sets up with accomodating 3 normal running fit, swivel becket one side and vice chi 4 fixed connection, through the swivel becket that sets up, can make things convenient for vice chi 4 to shift out and take in from accomodating groove 3.

Wherein, anti-skidding line has been seted up along the circumference to turn button 15, and main scale 1 uses wooden three-ply board to make, and main scale 1 outside scribbles anticorrosive paint, through the anticorrosive paint who scribbles, can prolong the life of whole teaching chi.

The working principle is as follows: when the device works, whether the device is normal or not is firstly checked, whether the connection of each part is normal or not is checked, and after the check is finished, the device is started to be used. When the length needs to be measured, the main ruler 1 is directly used for measuring, the carved identification can accurately measure the length and the distance, when the angle needs to be measured, the angle ruler 6 at the top is used for measuring, when the arc and the circle need to be drawn, the chalk is placed in the chalk placing barrel 9, the chalk is fixed through the clamping groove 13 and the clamping block 12, and after the required position distance is adjusted, the arc or the circle can be drawn through the rotation of the arc ruler 7. The utility model has the advantages that the main ruler 1 and the angle ruler 6 are arranged to facilitate the teacher to draw straight lines and measure angles in class, the teacher does not need to frequently switch different rulers, and the valuable class time is saved; by the aid of the arc ruler 7, teachers can draw circles with different radiuses, functions are diversified, and the application range is wide; the teacher can draw the arc line of required angle through setting up

circular arc chi

7 and 6 angles chi, and the drawing is accurate, has improved the teaching quality.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The mathematics teaching ruler comprises a main ruler (1) and is characterized in that a length scale mark (2) is arranged on the upper surface of the front end of the main ruler (1) along the length direction, a containing groove (3) is formed in the upper surface of one side of the main ruler (1) along the length direction, an auxiliary ruler (4) is movably arranged in the containing groove (3), a limit switch (5) is arranged on one side of the containing groove (3), the limit switch (5) is composed of a limit block and a sliding groove, the limit block is connected with the auxiliary ruler (4), an angle ruler (6) is fixedly arranged on one side of the main ruler (1), the angle ruler (6) is fixedly connected with one side of the main ruler (1) in an adhesion mode, a limit groove is formed in the inside of the angle ruler (6), an arc ruler (7) is sleeved in the limit groove, and a bearing connecting block (8) is fixedly arranged on one side of the arc ruler (7), the bearing connecting block (8) is fixedly connected with one side of the main ruler (1), and the middle part of the circular arc ruler (7) is provided with a chalk placing barrel (9) and a strip sliding groove (10).

2. The mathematics teaching ruler of claim 1, characterized in that said chalk holding cylinder (9) is hollow and said chalk holding cylinder (9) is movably arranged inside the long sliding groove (10), and a clamping module (11) is fixedly mounted on one side of said chalk holding cylinder (9).

3. A mathematics teaching ruler according to claim 2, characterized in that said clamping module (11) is composed of two sets of clamping blocks (12) and clamping grooves (13), said clamping grooves (13) are opened on one side of the circular arc ruler (7), said clamping blocks (12) are arranged inside the clamping grooves (13).

4. The mathematics teaching ruler according to claim 1, characterized in that said angle ruler (6) is equipped with angle marks on one side surface, said arc ruler (7) is equipped with length scale marks (2) on one side surface, said angle marks and length scale marks (2) are respectively equipped on two side surfaces of angle ruler (6) and arc ruler (7).

5. A mathematics teaching ruler according to claim 1, characterized in that the right end of the main ruler (1) is vertically and rotatably fitted with a rotating column (14), the lower end surface of the rotating column (14) is flush with the lower end surface of the main ruler (1), and the upper end of the rotating column (14) is fixed with a rotating knob (15).

6. The mathematics teaching ruler according to claim 5, characterized in that, the outside of said rotating column (14) is sleeved and fixed with a rotating ring, said rotating ring is correspondingly positioned in the containing groove (3), said rotating ring is rotatably matched with the containing groove (3), one side of said rotating ring is fixedly connected with the auxiliary ruler (4).

7. The mathematics teaching ruler of claim 5, characterized in that said knob (15) is equipped with anti-skid lines along the circumference, said main ruler (1) is made of wood plywood, and the outside of said main ruler (1) is coated with anti-corrosion paint.