CN215096643U

CN215096643U - Teaching aid is drawn to economic management chart

Info

Publication number: CN215096643U
Application number: CN202121221658.7U
Authority: CN
Inventors: 谢尧
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-10
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses an economic management chart draws teaching aid, include the ruler and set up in inside rotatable supplementary chi of ruler and radius board, the surface of supplementary chi and ruler all is provided with the scale bar, ruler, supplementary chi and radius board are wood system, supplementary chi forms 90 degrees contained angles with the ruler after expanding completely, the radius board can 360 degrees rotations. The utility model discloses a cooperation setting of ruler, auxiliary ruler and radius board for the statistics figure commonly used such as drawing straight line, coordinate system and sector graph that whole device can be quick, convenient to use, moreover, through the setting of locating plate and bolt, can conveniently fix a position auxiliary ruler, but make the use of holding of user of using multi-angle, diversified.

Description

Teaching aid is drawn to economic management chart

Technical Field

The utility model relates to a teaching aid technical field especially relates to an economic management chart draws teaching aid.

Background

The economic management mainly researches rules and methods for reasonably organizing and reasonably adjusting social and economic activities, and the rules and the methods comprise two major aspects: and (4) macroscopic economic management, namely the control, guidance, regulation and supervision of national economic systems and social economic activities by the nation. In the teaching process of economic management science at present, the teacher often will explain the student with bar chart or sector graph in the course of giving lessons.

The conventional straight ruler for teaching drawing has a single structure, a set square and the straight ruler are often required to be alternately used when drawing is carried out, the drawing is quite inconvenient, the drawing of a sector graph is often carried out by feeling, the drawn graph is not attractive and low in efficiency, and therefore an economic management chart drawing teaching tool is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that teaching aids are drawn to an economic management chart that teaching aids are drawn in order to solve its single structure of ruler for teaching drawing among the prior art, often need set square and ruler alternate use when carrying out the drawing, very inconvenient problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an economic management chart drawing teaching tool comprises a ruler, and a rotatable auxiliary ruler and a radius plate which are arranged in the ruler, wherein scale bars are arranged on the surfaces of the auxiliary ruler and the ruler, the auxiliary ruler and the radius plate are all made of wood, the auxiliary ruler forms a 90-degree included angle with the ruler after being completely unfolded, and the radius plate can rotate by 360 degrees;

a first accommodating groove is formed in the ruler, the auxiliary ruler is located in the first accommodating groove, and the ruler and the auxiliary ruler are connected through a magnetic connecting assembly and are convenient to accommodate;

one side of the end part of the straight ruler is connected with a positioning plate, and the auxiliary ruler can be connected with the positioning plate through a bolt after being completely unfolded, so that the limiting and fixing effects are achieved;

the inside of ruler is seted up the second that both sides are open and is accomodate the groove, the tip of ruler is inlayed and is equipped with hollow structure's I-shaped connecting piece, the connecting hole that can make I-shaped connecting piece run through is seted up to the one end of radius board, set up the through-hole that can make the drawing pen pass on the radius board, conveniently draw the sector drawing.

Preferably, the edge of the end part of the ruler is integrally connected with a hanging plate, and a hanging hole is formed in the circle center of the hanging plate.

Preferably, magnetism coupling assembling comprises two stoppers and the magnetic sheet of installing respectively in two stopper sides that fix respectively at first storage inslot portion and supplementary chi tip, two the magnetic sheet adsorbs each other.

Preferably, the bolt penetrates through the positioning plate, and a screw hole in threaded connection with the bolt is formed in one side of the auxiliary ruler.

Preferably, the number of the through holes is five, and the five through holes are distributed on the radius plate in a straight line shape at equal intervals.

Preferably, the inner wall of the second accommodating groove and the end part of the radius plate are embedded with magnetic blocks, and the two magnetic blocks are mutually adsorbed.

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

1. the utility model can rapidly draw the commonly used statistical figures such as straight lines, coordinate systems, sector graphs and the like through the matching arrangement of the straight ruler, the auxiliary ruler and the radius plate, is convenient to use, and can conveniently position the auxiliary ruler through the arrangement of the positioning plate and the bolt, so that a user can hold and use the ruler in multiple angles and multiple directions;

2. the utility model discloses a to draw the instrument collection of straight line, coordinate system and sector graph in an organic whole, when using, need not change the instrument frequently, improved drawing efficiency, moreover, can accomodate the inside to the ruler and carry out magnetism fixed to supplementary chi and radius board, conveniently carry.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the structure of the I-shaped connecting member of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the auxiliary ruler of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line A of FIG. 1 according to the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the radius plate of the present invention.

In the figure: 1. a straightedge; 2. an auxiliary scale; 3. a radius plate; 4. a scale bar; 5. a first receiving groove; 6. a magnetic connection assembly; 601. a limiting block; 602. a magnetic plate; 7. positioning a plate; 8. a bolt; 9. a second receiving groove; 10. an I-shaped connector; 11. connecting holes; 12. a through hole; 13. hanging the plate; 14. hanging holes; 15. a screw hole; 16. a magnetic block.

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.

Referring to fig. 1-5, an economic management chart drawing teaching aid comprises a straight ruler 1, and an auxiliary ruler 2 and a radius plate 3 which are arranged inside the straight ruler 1 and can rotate, wherein the auxiliary ruler 2 is rotatably connected with the straight ruler 1 through a rotating shaft, scale bars 4 are arranged on the surfaces of the auxiliary ruler 2 and the straight ruler 1, so that the measuring function is achieved, the straight ruler 1, the auxiliary ruler 2 and the radius plate 3 are made of wood, the auxiliary ruler 2 and the straight ruler 1 form a 90-degree included angle after being completely unfolded, a table or a rectangular coordinate system and the like can be drawn, the radius plate 3 can rotate by 360 degrees, and the function of drawing a sector chart is achieved;

a first accommodating groove 5 is formed in the ruler 1, the auxiliary ruler 2 is positioned in the first accommodating groove 5, and the ruler 1 and the auxiliary ruler 2 are connected through a magnetic connecting assembly 6 and are convenient to accommodate;

one side of the end part of the ruler 1 is connected with a positioning plate 7, and the auxiliary ruler 2 can be connected with the positioning plate 7 through a bolt 8 after being completely unfolded, so that the limiting and fixing effects are achieved;

the second accommodating groove 9 with both open sides is formed in the ruler 1, the end of the ruler 1 is embedded with an I-shaped connecting piece 10 with a hollow structure, one end of the radius plate 3 is provided with a connecting hole 11 through which the I-shaped connecting piece 10 can penetrate, and the radius plate 3 is provided with a through hole 12 through which a drawing pen can penetrate, so that a fan-shaped picture can be drawn conveniently.

Furthermore, the edge of the end part of the ruler 1 is integrally connected with a hanging plate 13, and a hanging hole 14 is formed in the circle center of the hanging plate 13, so that the whole device can be conveniently hung.

Further, magnetism coupling assembling 6 is fixed respectively at the stopper 601 of first groove 5 inside and supplementary chi 2 tip of accomodating and is installed respectively at the magnetic sheet 602 of two stopper 601 sides by two and constitutes, and two magnetic sheets 602 adsorb each other, when needs are accomodate supplementary chi 2, rotate its inside to first groove 5 of accomodating, then under the effect of the magnetism of two magnetic sheets 602 for supplementary chi 2 can not screw out at will, conveniently accomodate and carry.

Further, bolt 8 runs through in the inside of locating plate 7, and auxiliary ruler 2's one side is seted up with bolt 8 threaded connection's screw 15, through carrying out bolt 8 location to auxiliary ruler 2 for but user of service person multi-angle, diversified use.

Further, the number of the through holes 12 is five, the five through holes 12 are distributed on the radius plate 3 in a straight shape at equal intervals, and circles with different radii can be drawn by placing drawing pens in different through holes 12.

Further, the inner wall of the second accommodating groove 9 and the end of the radius plate 3 are both embedded with magnetic blocks 16, the two magnetic blocks 16 are mutually adsorbed, the same way as the auxiliary ruler 2 is used for accommodating and fixing, and the radius plate 3 is accommodated and fixed.

The utility model discloses when using, when right angles such as coordinate system are drawn to needs, with supplementary chi 2 from the first screw-out of accomodating groove 5 and make it the side and locating plate 7 in close contact with, then rotating bolt 8 through screw 15 to supplementary chi 2 connect fixed can, when needs draw circular such as fan-shaped picture, will draw the drawing pen arrange the through-hole 12 inside of suitable position in, rotatory a week can draw the profile of circle fast, very convenient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an economic management chart draws teaching aid, includes ruler (1) and sets up in ruler (1) inside rotatable supplementary chi (2) and radius board (3), its characterized in that: the scale bars (4) are arranged on the surfaces of the auxiliary ruler (2) and the ruler (1), the auxiliary ruler (2) and the radius plate (3) are all made of wood, the auxiliary ruler (2) forms a 90-degree included angle with the ruler (1) after being completely unfolded, and the radius plate (3) can rotate by 360 degrees;

a first accommodating groove (5) is formed in the ruler (1), the auxiliary ruler (2) is located in the first accommodating groove (5), and the ruler (1) and the auxiliary ruler (2) are connected through a magnetic connecting assembly (6) and are convenient to accommodate;

one side of the end part of the ruler (1) is connected with a positioning plate (7), and the auxiliary ruler (2) can be connected with the positioning plate (7) through a bolt (8) after being completely unfolded, so that the limiting and fixing effects are achieved;

the inside of ruler (1) is seted up both sides and is open second and accomodates groove (9), the tip of ruler (1) is inlayed and is equipped with hollow structure's I-shaped connecting piece (10), connecting hole (11) that can make I-shaped connecting piece (10) run through are seted up to the one end of radius board (3), set up through-hole (12) that can make the drawing pen pass on radius board (3), conveniently draw fan-shaped picture.

2. The economic management chart drawing teaching aid as claimed in claim 1, wherein a hanging plate (13) is integrally connected to the edge of the end of the ruler (1), and a hanging hole (14) is formed in the center of the hanging plate (13).

3. The economic management chart drawing teaching aid according to claim 1, wherein the magnetic connecting assembly (6) is composed of two limiting blocks (601) respectively fixed inside the first accommodating groove (5) and at the end of the auxiliary ruler (2), and magnetic plates (602) respectively mounted on the sides of the two limiting blocks (601), and the two magnetic plates (602) are mutually adsorbed.

4. The economic management chart drawing teaching aid as claimed in claim 1, wherein the bolt (8) penetrates through the positioning plate (7), and a screw hole (15) in threaded connection with the bolt (8) is formed in one side of the auxiliary ruler (2).

5. The economic management chart drawing teaching aid according to claim 1, wherein the number of the through holes (12) is five, and the five through holes (12) are distributed on the radius plate (3) in a straight line shape at equal intervals.

6. The economic management chart drawing teaching aid as claimed in claim 1, wherein the inner wall of the second receiving groove (9) and the end of the radius plate (3) are embedded with magnetic blocks (16), and the two magnetic blocks (16) are mutually adsorbed.