CN111823759A - International economy and trade chart making devices - Google Patents
International economy and trade chart making devices Download PDFInfo
- Publication number
- CN111823759A CN111823759A CN202010713294.8A CN202010713294A CN111823759A CN 111823759 A CN111823759 A CN 111823759A CN 202010713294 A CN202010713294 A CN 202010713294A CN 111823759 A CN111823759 A CN 111823759A
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- China
- Prior art keywords
- ruler plate
- plate
- ruler
- arc
- shaped plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L7/00—Straightedges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L12/00—Means to prevent slippage
- B43L12/02—Means to prevent slippage magnetic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
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- Drawing Aids And Blackboards (AREA)
Abstract
The invention provides an international economy and trade chart making device, which comprises a first ruler plate, a magnetic blackboard and a second ruler plate, wherein the first ruler plate is adsorbed on the magnetic blackboard along the longitudinal direction, and scale marks are drawn on the upper surface of the first ruler plate along the longitudinal direction; the left end of the second ruler plate is detachably connected with the first ruler plate, and graduation lines are drawn on the upper surface of the second ruler plate along the transverse direction and used for drawing a horizontal straight line on the magnetic blackboard; the protractor is fixed on the top wall of the second ruler plate and is coplanar with the second ruler plate; the third ruler plate is arranged on the upper surface of the second ruler plate, can slide along the plate length direction of the second ruler plate and can rotate around the sliding end of the second ruler plate; the chalk fixing piece is arranged in a groove formed in the bottom of the second ruler plate. The second ruler plate is arranged and detachably connected to the first ruler plate, so that rows of tables or X-axes and Y-axes in a line drawing are conveniently drawn, the third ruler plate is matched with the second ruler plate for use and used for drawing columns in the tables or broken lines in the line drawing, and the third ruler plate is matched with the protractor for use and used for drawing pie charts.
Description
Technical Field
The invention relates to the technical field of chart making equipment, in particular to an international economy and trade chart making device.
Background
International economy and trade are important components in international economy, and are a discipline for developing compound high-level specialized talents which can systematically master the economic foundation and the international trade theory and can use measurement, statistics and accounting methods for analysis and research, however, textbook contents of international economy and trade mainly refer to text discussion, so that teachers need to exemplify and analyze abstract knowledge points in books in a manner similar to charts during teaching to deepen understanding of students.
However, with the introduction of the teaching innovation, on one hand, the teaching quality and the teaching diversification are improved, and on the other hand, the teaching environment of the teacher is improved, so that the PPT teaching mode is mostly adopted in classroom teaching at present, but although the PPT teaching mode can improve the knowledge plane of students and widen the learning visual field of students under the teaching background of the internet, the students are difficult to deduce and analyze the drawing process through the tables and graphs drawn in the PPT instantiation, so the teacher also needs to explain and draw the demonstration tables, the pie graphs and the broken line graphs on the PPT on the blackboard, which is beneficial for the students to master the knowledge points and deepen the understanding of the students to the knowledge points, however, the chart drawing tools in the prior art are mainly straight ruler amounts, protractors and compasses, when drawing the tables, the teacher needs to draw a plurality of vertical lines at equal intervals with a straight ruler, and then draw a plurality of horizontal lines at equal intervals with the straight ruler, the horizontal lines and the vertical lines are connected in the drawing process at equal intervals; when drawing the line graph, drawing coordinates firstly, and then connecting the drawn points by using a ruler; the compasses are needed to be used for drawing circles on the blackboard for drawing the pie chart, then the protractors are used for equally dividing the circles, the existing drawing mode consumes a large amount of drawing time, and the teaching efficiency is reduced, so that the important significance is realized in designing the international economy and trade chart making device capable of improving the chart drawing efficiency.
Disclosure of Invention
The invention aims to provide an international economy and trade chart making device to solve the problem that drawing tables, line graphs and pie graphs in the background art takes a lot of time.
The invention provides a device for making an international economy and trade chart, which comprises
The first ruler plate is adsorbed on the magnetic blackboard along the longitudinal direction, and scale marks are drawn on the upper surface of the first ruler plate along the longitudinal direction;
the left end of the second ruler plate is detachably connected with the first ruler plate, and scale marks are drawn on the upper surface of the second ruler plate along the transverse direction and used for drawing a horizontal straight line on the magnetic blackboard;
the protractor is fixed on the top wall of the second ruler plate and is coplanar with the second ruler plate;
the third ruler plate is arranged on the upper surface of the second ruler plate, a rolling sliding groove is formed in the upper surface of the second ruler plate, a connecting column is fixedly connected to the bottom of the third ruler plate, a ball matched with the rolling sliding groove is fixed to the bottom of the connecting column, a first sucking disc used for limiting the third ruler plate to move is clamped to the bottom of the third ruler plate, and scale marks are drawn on the upper surface of the third ruler plate along the transverse direction;
and the chalk fixing piece is arranged in a groove formed at the bottom of the second ruler plate.
Preferably, the chalk fixing part comprises a first arc, a second arc, a first cross rod, a spring and a second cross rod with adjustable length, the first arc and the second arc are oppositely arranged and spliced to form a structure matched with the chalk, one end of the first arc and the first cross rod is fixedly connected, the other end of the first cross rod is fixed on the groove side wall, the second arc and one end of the second cross rod are fixedly connected, the other end of the second cross rod is fixedly connected with the groove side wall, the spring sleeve is arranged on the second cross rod, one end of the spring is fixedly connected with the second arc, the other end of the spring is fixed on the groove side wall, and the second arc is connected with the first arc in a clamping mode.
Preferably, the inner walls of the first arc-shaped plate and the second arc-shaped plate are both provided with anti-slip lines.
Preferably, the bottom of the second ruler plate is provided with a second sucker.
Preferably, the left end of the second ruler plate is connected with the first ruler plate in a sliding mode.
Preferably, the first blade is made of a ferrous material.
The invention has the beneficial effects that:
compared with the prior art, the invention adsorbs the first ruler plate on the magnetic blackboard through magnetic adsorption for drawing a vertical line in a table or a Y axis in a line drawing, slides the second ruler plate along the plate length direction of the first ruler plate for drawing a line in the table or an X axis in the line drawing, arranges the third ruler plate, then rotates the third ruler plate in the rolling chute to be vertical to the second ruler plate for drawing a column in the table, or rotates the third ruler plate in the rolling chute to form a certain angle with the second ruler plate for connecting data points in the line drawing, installs chalk in the chalk fixing piece, takes the length between the chalk fixing piece and the sliding end of the third ruler plate as a radius, takes the sliding end of the third ruler plate as a circle center, and then equally divides the circle by using the protractor, the drawing of the pie chart is completed, and the chart drawing efficiency is high.
Drawings
FIG. 1 is a perspective view of an apparatus for creating an international economics and trade chart;
FIG. 2 is a view showing a connection relationship between a chalk fixing member and a third fixing plate in an international economy and trade chart fabricating apparatus;
FIG. 3 is a view showing a connection relationship between a third fixing plate, a vertical bar and balls of the international economics and trade chart preparing apparatus;
fig. 4 is a top view of a chalk holder of an international economy and trade chart producing apparatus.
Description of reference numerals:
1. the blackboard comprises a magnetic blackboard, 2 parts of a first ruler plate, 3 parts of a second ruler plate, 4 parts of a protractor, 5 parts of a third ruler plate, 6 parts of a chalk fixing piece, 6-1 parts of a first arc-shaped plate, 6-2 parts of a second arc-shaped plate, 6-3 parts of a first cross rod, 6-4 parts of a spring, 6-5 parts of a second cross rod, 7 parts of a rolling chute, 8 parts of a connecting column and 9 parts of balls.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
Examples
As shown in fig. 1 to 4, in the embodiment of the present invention, there is provided an international economy and trade chart making apparatus, a first ruler plate 2 is attached to a magnetic blackboard 1 along a longitudinal direction, and scale lines are drawn on an upper surface of the first ruler plate 2 along the longitudinal direction;
the left end of the second ruler plate 3 is detachably connected with the first ruler plate 2, and scale marks are drawn on the upper surface of the second ruler plate 3 along the transverse direction and used for drawing a horizontal straight line on the magnetic blackboard 1;
the protractor 4 is fixed on the top wall of the second ruler plate 3 and is coplanar with the second ruler plate 3;
a third ruler plate 5 arranged on the upper surface of the second ruler plate 3, wherein the upper surface of the second ruler plate 3 is provided with a rolling chute 7, the bottom of the third ruler plate 5 is fixedly connected with a connecting column 8, the top end of the connecting column 8 is fixedly connected with the bottom surface of the third ruler plate 5, the bottom end of the connecting column 8 is fixedly provided with a ball 9 matched with the rolling chute 7, in order to limit the third ruler plate 5, the bottom of the third ruler plate 5 is clamped with a first sucking disc for limiting the movement of the third ruler plate 5, the bottom of the third ruler plate 5 is provided with a clamping groove clamped with the first sucking disc, when the third ruler plate 5 is used for drawing a pie chart, the first sucking disc is taken down for conveniently drawing the pie chart, when the third ruler plate 5 is not used, the first sucking disc is arranged at the bottom of the third ruler plate 5 and is adsorbed on the upper surface of the second ruler plate 3 for limiting the third ruler plate 5, the upper surface of the third ruler plate 5 is also provided with scale marks along the transverse direction;
and the chalk fixing piece 6 is arranged in a groove formed at the bottom of the second ruler plate 3.
In the embodiment, in order to solve the problem that when a teacher draws a table in a teaching process, the distance between a row and a column in the table needs to be measured and equally divided by a ruler, the table can be finished only by keeping the ruler horizontal or vertical, otherwise the table needs to be redrawn, the table is complex to draw, when a line drawing is performed, the teacher needs to draw an X axis and a Y axis of the line drawing first, then the ruler is placed on the X axis and the Y axis to draw points, then the ruler is used for connecting data points, when a pie chart is drawn, compasses or a special pie chart drawing tool is used for drawing circles, the drawing modes of the table, the line drawing and the pie chart in the prior art are complex, and take a lot of time in teaching, so the application is provided with the chart making device, when the device is used for drawing the table, the first ruler 2 of the device is firstly adsorbed on the magnetic blackboard 1 along the longitudinal direction, a teacher holds chalk to draw a straight line along the plate length direction of a first ruler plate 2, can draw a column in a table, then opens the detachable connection between the first ruler plate 2 and a second ruler plate 3, (can be clamped and connected in a sliding way, when the first ruler plate 2 and the second ruler plate 3 are clamped in the sliding way, the left end of the second ruler plate 3 is provided with a clamping groove, the right side wall of the first ruler plate 2 is provided with a plurality of clamping joints along the longitudinal direction at equal intervals, the sliding connection is realized, the right side wall of the first ruler plate 2 is provided with a sliding groove along the longitudinal direction, the left end of the second ruler plate 3 is provided with a sliding block, after moving the second ruler plate 3 along the first ruler plate 2 at equal intervals, one hand is used for pressing the second ruler plate 2, the other hand holds the chalk to draw rows in the table, so that a plurality of rows can be drawn, when drawing the column in the table, the third ruler plate 5 and the second ruler plate 3 are matched for use, the third ruler plate 5 is moved along the sliding groove along the rolling 7 at equal intervals according to the scales on the, ensuring that the intervals of the columns are the same, rotating the sliding end of the third ruler plate 5 in the rolling chute 7, ensuring that the third ruler plate 5 is vertical to the second ruler plate 3, and pressing the second ruler plate 3 and the third ruler plate 5 by hands for drawing the columns in the table; the length of the third ruler plate 5 is fixed, so that the second ruler plate needs to be moved to complete the complete drawing of the columns when the columns of the table are drawn; when drawing a broken line graph, firstly drawing a Y axis along the plate length of the first ruler plate 2, then moving the position of the second ruler plate 3, drawing an X axis, then moving the second ruler plate 3 on the surface of the magnetic blackboard 1, using the second ruler plate 3 and the third ruler plate 5 (the third ruler plate 5 is matched with the second ruler plate 3, moving the third ruler plate 5 along a rolling chute 7 arranged on the second ruler plate 3, rotating the sliding end of the third ruler plate 5, making the third ruler plate 5 vertical to the second ruler plate 3, drawing points on the data in a coordinate axis, connecting the data points after drawing points through the third ruler plate 5 (when connecting, moving the second ruler plate 3 on the upper surface of the magnetic blackboard 1, when moving to the position of the data points, pressing the second ruler plate 3 with one finger, and making the third ruler plate 5 slide to a proper position along the rolling chute 7 by hand, then rotating around the sliding end of the second ruler plate 3, then, the third ruler plate 5 and the second ruler plate 3 form an angle, the second ruler plate 3 and the third ruler plate 5 are fixed by the whole left hand, and then the right hand is used for connecting lines to finish drawing of broken lines; when the pie chart is drawn, the sliding end of the third ruler plate 5 moves along the rolling sliding groove 7, the sliding end of the third ruler plate 5 is enabled to coincide with the circle center of the protractor 5, the chalk is fixed on the chalk fixing piece 6 to draw a circle (the length from the circle center to the chalk fixing piece is consistent with the radius of the protractor 5), the drawn circle is equally divided by the protractor 5, the pie chart drawing is completed, and the chart drawing device can greatly save the drawing time of teachers.
When the chalk is fixed, the clamping connection fixed connection between the second arc-shaped plate 6-2 and the first arc-shaped plate 6-1 is firstly opened, then the second arc-shaped plate 6-2 is pressed by a hand along the horizontal direction to the right side, so that the second cross rod 6-5 connected with the second arc-shaped plate 6-2 is deformed (the second cross rod 6-5 comprises a sleeve and a sleeve rod, the sleeve rod is sleeved in the sleeve along the horizontal direction, the non-sleeved end of the sleeve is fixedly connected to the inner side wall of the groove, the non-sleeved end of the sleeve rod is fixedly connected to the second arc-shaped plate 6-2), the spring 6-4 is compressed under the driving of the second cross rod 6-5, so that the chalk can be placed on the first arc-shaped plate 6-1, and then the second arc-shaped plate 6-2 is driven by the second cross rod 6-5 and the spring 6-4 The lower part is reset, the second arc-shaped plate 6-2 and the first arc-shaped plate 6-1 are spliced and clamped, and the chalk is fixed; therefore, the chalk fixing part 6 consists of a first arc-shaped plate 6-1, a second arc-shaped plate 6-2, a first cross rod 6-3, a spring 6-4 and a second cross rod 6-5 with adjustable length, the first arc-shaped plate 6-1 and the second arc-shaped plate 6-2 are oppositely arranged and spliced into a structure matched with the chalk, the first arc-shaped plate 6-1 is fixedly connected with one end of the first cross rod 6-3, the other end of the first cross rod 6-3 is fixedly arranged on the side wall of the groove, the second arc-shaped plate 6-2 is fixedly connected with one end of the second cross rod 6-5, the other end of the second cross rod 6-5 is fixedly connected with the side wall of the groove, the spring 6-4 is sleeved on the second cross rod 6-5, and one end of the spring 6-4 is fixedly connected with the second arc-shaped plate 6-2, the other end of the spring 6-4 is fixed on the side wall of the groove, and the second arc-shaped plate 6-2 is clamped with the first arc-shaped plate 6-1.
In order to increase the friction force of the chalk arranged in the chalk fixing part 6, the inner walls of the first arc-shaped plate 6-1 and the second arc-shaped plate 6-2 are provided with anti-skidding grains.
In order to facilitate the drawing of rows in the table, the drawing of columns in the table by the third ruler board 5 or the drawing of broken lines in the table by the third ruler board, the bottom of the second ruler board 3 is provided with a second suction cup, and the second suction cup can be fixed below the second ruler board 3 for limiting the second ruler board 3 when the table and the broken lines are drawn.
The left end of the second ruler plate 3 is connected with the first ruler plate 2 in a sliding mode, the left end of the second ruler plate 3 is provided with a sliding block, and a sliding groove matched with the sliding block in a sliding mode is formed in the right side wall of the first ruler plate 2 in a longitudinal direction.
In order to facilitate the first ruler plate to be adsorbed on the magnetic blackboard 1, the first ruler plate 2 is made of iron materials.
The above disclosure is only for the preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (6)
1. An international economy and trade chart making device is characterized by comprising
The first ruler plate (2) is adsorbed on the magnetic blackboard (1) along the longitudinal direction, and scale marks are drawn on the upper surface of the first ruler plate (2) along the longitudinal direction;
the left end of the second ruler plate (3) is detachably connected with the first ruler plate (2), and scale marks are drawn on the upper surface of the second ruler plate (3) along the transverse direction and used for drawing a horizontal straight line on the magnetic blackboard (1);
the protractor (4) is fixed on the top wall of the second ruler plate (3) and is coplanar with the second ruler plate (3);
the third ruler plate (5) is arranged on the upper surface of the second ruler plate (3), a rolling chute (7) is formed in the upper surface of the second ruler plate (3), a connecting column (8) is fixedly connected to the bottom of the third ruler plate (5), balls (9) matched with the rolling chute (7) are fixed to the bottom of the connecting column (8), a first sucking disc used for limiting the third ruler plate (5) to move is clamped to the bottom of the third ruler plate (5), and scale lines are drawn on the upper surface of the third ruler plate (5) in the transverse direction;
and the chalk fixing piece (6) is arranged in a groove formed at the bottom of the second ruler plate (3).
2. The international economic and trade chart making apparatus as claimed in claim 1, wherein said chalk holding member (6) is composed of a first arc-shaped plate (6-1), a second arc-shaped plate (6-2), a first cross bar (6-3), a spring (6-4) and a second cross bar (6-5) with adjustable length, said first arc-shaped plate (6-1) and said second arc-shaped plate (6-2) are oppositely arranged and spliced into a structure matched with chalk, said first arc-shaped plate (6-1) is fixedly connected with one end of the first cross bar (6-3), said other end of the first cross bar (6-3) is fixed on the side wall of the groove, said second arc-shaped plate (6-2) is fixedly connected with one end of the second cross bar (6-5), said other end of the second cross bar (6-5) is fixedly connected with the side wall of the groove, the spring (6-4) is sleeved on the second cross rod (6-5), one end of the spring (6-4) is fixedly connected with the second arc-shaped plate (6-2), the other end of the spring (6-4) is fixed on the side wall of the groove, and the second arc-shaped plate (6-2) is connected with the first arc-shaped plate (6-1) in a clamping mode.
3. An international economy and trade chart making apparatus as claimed in claim 2, wherein said first arcuate plate (6-1) and said second arcuate plate (6-2) are provided with anti-slip threads on the inner walls thereof.
4. An international economy and trade chart making apparatus as claimed in claim 1, wherein said second blade (3) is provided at its bottom with a second suction cup.
5. An international economy and trade chart making apparatus as claimed in claim 1, wherein the left end of said second blade (3) is slidably connected to said first blade (2).
6. An international economy and trade chart making apparatus as claimed in claim 1, wherein said first blade (2) is made of a ferrous material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010713294.8A CN111823759A (en) | 2020-07-22 | 2020-07-22 | International economy and trade chart making devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010713294.8A CN111823759A (en) | 2020-07-22 | 2020-07-22 | International economy and trade chart making devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111823759A true CN111823759A (en) | 2020-10-27 |
Family
ID=72924836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010713294.8A Pending CN111823759A (en) | 2020-07-22 | 2020-07-22 | International economy and trade chart making devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111823759A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86202610U (en) * | 1986-04-15 | 1987-08-12 | 宋伯勇 | Multipurpose plotter |
| US5915807A (en) * | 1998-08-31 | 1999-06-29 | Ilagan; Artemio M. | All-in-one drawing apparatus |
| WO2013116915A1 (en) * | 2012-02-06 | 2013-08-15 | Cruickshanks Greg | Large t-square protractor for use in construction |
| CN103921596A (en) * | 2014-05-05 | 2014-07-16 | 黄河科技学院 | Combined type drawing device of ruler drawing board |
| CN206551753U (en) * | 2017-02-09 | 2017-10-13 | 陕西学前师范学院 | A kind of higher mathematics plotter |
| CN206938291U (en) * | 2017-04-13 | 2018-01-30 | 九江职业技术学院 | The chart that a kind of Teaching of Economics uses draws chi |
| CN211000670U (en) * | 2019-11-08 | 2020-07-14 | 郑州财经学院 | Tool for economic management drawing |
-
2020
- 2020-07-22 CN CN202010713294.8A patent/CN111823759A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86202610U (en) * | 1986-04-15 | 1987-08-12 | 宋伯勇 | Multipurpose plotter |
| US5915807A (en) * | 1998-08-31 | 1999-06-29 | Ilagan; Artemio M. | All-in-one drawing apparatus |
| WO2013116915A1 (en) * | 2012-02-06 | 2013-08-15 | Cruickshanks Greg | Large t-square protractor for use in construction |
| CN103921596A (en) * | 2014-05-05 | 2014-07-16 | 黄河科技学院 | Combined type drawing device of ruler drawing board |
| CN206551753U (en) * | 2017-02-09 | 2017-10-13 | 陕西学前师范学院 | A kind of higher mathematics plotter |
| CN206938291U (en) * | 2017-04-13 | 2018-01-30 | 九江职业技术学院 | The chart that a kind of Teaching of Economics uses draws chi |
| CN211000670U (en) * | 2019-11-08 | 2020-07-14 | 郑州财经学院 | Tool for economic management drawing |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201027 |
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| RJ01 | Rejection of invention patent application after publication |