CN214822202U - Drawing device for economics statistics - Google Patents

Drawing device for economics statistics Download PDF

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Publication number
CN214822202U
CN214822202U CN202121627476.XU CN202121627476U CN214822202U CN 214822202 U CN214822202 U CN 214822202U CN 202121627476 U CN202121627476 U CN 202121627476U CN 214822202 U CN214822202 U CN 214822202U
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China
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straight
ruler
economics
positioning
notch
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CN202121627476.XU
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Chinese (zh)
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王雪秋
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Changchun Guanghua University
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Changchun Guanghua University
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Abstract

The utility model belongs to the technical field of teaching auxiliary tools, in particular to a drawing device for economics statistics; the cake-shaped drawing machine comprises a first straight ruler, a second straight ruler and straight battens, wherein simple straight line drawing and drawing of a coordinate system can be realized in economic statistics teaching through the first straight ruler and the second straight ruler; meanwhile, the straight strip plate is arranged inside the second straight strip ruler, the straight strip plate is taken in and out of the second straight strip ruler under the action of the positioning bolt, the positioning bolt can slide left and right, the straight strip plate can slide up and down to draw a bar graph, and meanwhile the height of the bar graph can be freely adjusted according to needs.

Description

Drawing device for economics statistics
Technical Field
The utility model belongs to the technical field of teaching auxiliary appliances, concretely relates to drawing device is used in economics statistics.
Background
In the research or teaching of economics, it is often necessary to draw various data tables and graphs, which are important auxiliary means for the research and teaching of economics, and therefore, the accuracy of drawing the data tables and graphs directly affects the accuracy of the research of economics, and thus, a great number of graphical means are used in economics to express statistical results, such as coordinate graphs, histograms, pie charts, etc.; however, the current drawing method of the coordinate graph has the following problems: traditional method of drawing cake picture and histogram relies on the sensation completely and draws, leads to the figure not accurate beyond, and the mr needs to take various teaching aids such as set-square, ruler and compasses etc. simultaneously, therefore very not in the aspect, and the great be not convenient for accomodate and carry of the integrative drawing equipment volume ratio of prior art design.
Accordingly, those skilled in the art have provided a drawing apparatus for economics statistics to solve the problems set forth in the background art.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a drawing device is used in economics statistics has simple structure rationally, effectively solves the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a drawing device for economics statistics comprises a first straight bar and a second straight bar, wherein one end of the first straight bar is provided with a first positioning hole, the second straight bar is provided with a second positioning hole, the first straight bar and the second straight bar are respectively sleeved and movably connected on a positioning rotating shaft through the first positioning hole and the second positioning hole, the upper side surface of the second straight bar is provided with a second notch, the second notch penetrates through the second straight bar, a straight bar plate is movably connected in the second notch, and one end of the straight bar plate is provided with a third positioning hole; no. three notches are formed in the top of the second straight strip ruler, a positioning bolt is movably connected to the No. three notches, and the other end of the positioning bolt is movably connected with the straight strip plate.
Preferably, the gim peg top fixed connection drive carousel, the following fixed connection outer sleeve of drive carousel, the inner loop pole is cup jointed to the inside of outer sleeve, No. one stopper of middle fixed connection of outer sleeve, the bottom fixed connection limiting plate of outer sleeve, the bottom fixed connection bearing of inner loop pole, No. two stoppers of bearing outside fixed connection.
Preferably, No. four notches are formed in the second straight strip ruler, No. five notches are formed in the middle of the straight strip plate, No. six notches are formed in the straight strip plate, the inner loop bar slides in the No. five notches, and the second limiting block slides in the No. six notches.
Preferably, a notch has been seted up to a vertical bar chi inside, a slider of notch inside sliding connection, the through-hole has been seted up in the middle of the slider.
Preferably, an angle scale is fixedly connected to the lower portion of the positioning rotating shaft, and a 360-degree scale is carved on the angle scale.
Preferably, the positioning plate is fixedly connected to the lower portion of the positioning rotating shaft and made of a magnetic material.
Preferably, the driving turntable is fixedly connected with a direction positioning mark.
Compared with the prior art, the beneficial effects of the utility model are that:
the first straight ruler and the second straight ruler are arranged, so that simple straight line drawing and coordinate system drawing can be realized in economic statistics teaching, when a pie chart needs to be drawn, the first straight ruler rotates around the positioning rotating shaft to draw a circle, and the angles of the first straight ruler and the second straight ruler can be adjusted, so that the circle can be conveniently divided, and the pie chart can be drawn; meanwhile, the straight strip plate is arranged inside the second straight strip ruler, the straight strip plate is taken in and out of the second straight strip ruler under the action of the positioning bolt, the positioning bolt can slide left and right, the straight strip plate can slide up and down to draw a bar graph, and meanwhile the height of the bar graph can be freely adjusted according to needs.
The top of the positioning bolt is fixedly connected with the driving turntable, and the bottom of the outer sleeve is fixedly connected with the limiting plate to limit the straight strip plate when the positioning bolt is rotated and pressed, so that the straight strip plate is prevented from sliding out when being stored, the storage is inconvenient, the stability of the straight strip plate is ensured when the strip graph is drawn, and the drawing efficiency is improved; no. two vertical bar chi are inside to be seted up No. four notches and carry out spacingly to the gim peg for the gim peg can be fixed the straight slat, and the flexibility of the straight slat is guaranteed to No. six notches and No. five notches of seting up inside the straight slat, is convenient for reciprocate.
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 main structure of a drawing device for economics statistics of the present invention;
FIG. 2 is a structural view of a second straight ruler of the drawing device for economics statistics;
FIG. 3 is a cross-sectional view of the positioning pin of the drawing device for economics statistics;
fig. 4 is an enlarged schematic view of a drawing device for economics statistics in fig. 1 of the present invention.
Reference numbers in the figures: 1. a first straight ruler; 101. a first notch; 2. a second straight ruler; 201. a second notch; 202. a third notch; 203. a fourth notch; 204. a second positioning hole; 3. a straight strip plate; 301. a fifth notch; 302. a sixth notch; 4. positioning a plate; 5. a first sliding block; 501. a through hole; 6. an angle scale; 7. positioning the rotating shaft; 8. positioning bolts; 801. driving the turntable; 802. an outer sleeve; 803. an inner loop bar; 804. a first limiting block; 805. a limiting plate; 806. a bearing; 807. a second limiting block; 808. and (4) direction location marks.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: a drawing device for economics statistics comprises a first straight ruler 1 and a second straight ruler 2, wherein one end of the first straight ruler 1 is provided with a first positioning hole, the second straight ruler 2 is provided with a second positioning hole 204, the first straight ruler 1 and the second straight ruler 2 are respectively sleeved and movably connected to a positioning rotating shaft 7 through the first positioning hole and the second positioning hole 204, the upper side of the second straight ruler 2 is provided with a second notch 201, the second notch 201 penetrates through the second straight ruler 2, the second notch 201 is movably connected with a straight strip plate 3 inside, and one end of the straight strip plate 3 is provided with a third positioning hole; no. three notches 202 have been seted up at 2 tops of No. two straight rulers, swing joint pilot pin 8 on No. three notches 202, just the straight slat 3 of 8 other end swing joints of pilot pin.
Through the arrangement of the first straight ruler 1 and the second straight ruler 2, simple straight line drawing and drawing of a coordinate system can be realized in economic statistics teaching, when a pie chart needs to be drawn, the first straight ruler 1 rotates around the positioning rotating shaft 7 to draw a circle, and meanwhile, the angles of the first straight ruler 1 and the second straight ruler 2 can be adjusted, so that the circle can be conveniently divided, and the pie chart can be drawn; simultaneously No. 2 inside straight rulers 3 that are equipped with of No. two straight rulers take in and take out from No. 2 straight rulers under the effect of pilot pin 8, and pilot pin 8 can the horizontal slip simultaneously, and straight lath 3 can slide from top to bottom, carries out the drawing of bar graph, and the height of bar graph can freely be adjusted as required simultaneously.
Specifically, the top of the positioning bolt 8 is fixedly connected with a driving turntable 801, the lower surface of the driving turntable 801 is fixedly connected with an outer sleeve 802, an inner sleeve rod 803 is sleeved inside the outer sleeve 802, the middle of the outer sleeve 802 is fixedly connected with a first limiting block 804, the bottom of the outer sleeve 802 is fixedly connected with a limiting plate 805, the bottom of the inner sleeve rod 803 is fixedly connected with a bearing 806, and the outer side of the bearing 806 is fixedly connected with a second limiting block 807.
Through 8 top fixed connection drive turntables 801 of gim peg, rotating to press for the bottom fixed connection limiting plate 805 of outer sleeve 802 carries on spacingly to straight slat 3, prevents straight slat 3 roll-off when accomodating straight slat 3 on the one hand, and be not convenient for accomodate, on the other hand when drawing the bar graph, guarantees straight slat 3's stability, improves drawing efficiency.
Specifically, No. four notches 203 are seted up inside No. 2 straight bar, No. five notches 301 are seted up in the middle of straight lath 3, No. six notches 302 are seted up inside straight lath 3, interior loop bar 803 slides in No. five notches 301, No. two stopper 807 slides in No. six notches 302.
No. four notches 203 go on spacing the gim peg 8 through 2 inside setups of No. two vertical bars chi for the gim peg 8 can fix straight slat 3, and No. six notches 302 and No. five notches 301 are seted up to straight slat 3 inside and are guaranteed straight slat 3's flexibility, are convenient for reciprocate.
Specifically, a notch 101 has been seted up to a vertical bar chi 1 inside, a slider 5 of notch 101 inside sliding connection, a through-hole 501 has been seted up in the middle of the slider 5.
Through-hole 501 has been seted up through the middle of slider 5, inserts drawing tool, like painting brush chalk etc. slider 5 can reciprocate along a vertical bar chi 1 is inside to be seted up a notch 101 simultaneously, changes the circular shape diameter size of drawing.
Specifically, an angle scale 6 is fixedly connected to the lower portion of the positioning rotating shaft 7, a 360-degree scale is carved on the angle scale 6, and the angle scale 6 is fixedly connected to the lower portion of the positioning rotating shaft 7, so that the angle and the area of each area can be conveniently determined when a pie chart is drawn, and the accuracy of drawing the chart is improved.
Specifically, fixed connection positioning disk 4 under the location pivot 7, positioning disk 4 adopts the magnetism material, and it is right to realize through positioning disk 4 that sets up the utility model discloses fix on blackboard or blank when drawing.
Specifically, the direction positioning mark 808 is fixedly connected to the driving turntable 801, and when a bar graph is drawn, the direction of the positioning bolt 8 can be positioned through the direction positioning mark 808, so that the working efficiency is improved.
The utility model discloses a theory of operation and use flow: a kind of economics statistics uses the drawing device, at first, in our use, while drawing the straight line, broken line graph or coordinate system, draw directly through the straight ruler 1 and straight ruler 2 of No. two that set up; when a pie chart needs to be drawn, a through hole 501 is formed in the middle of the first sliding block 5, drawing tools such as paintbrush chalk and the like are inserted, the first straight ruler 1 rotates around the positioning rotating shaft 7 to draw a circle, and meanwhile, the first sliding block 5 can move up and down along the first straight ruler 1 through a first notch 101 formed in the first straight ruler 1 to change the diameter of the drawn circle; an angle disc 6 is fixedly connected below the positioning rotating shaft 7, so that the angle and the area of each area can be conveniently determined when the pie chart is drawn, and the accuracy of drawing the chart is improved; when the bar graph is required to be drawn, the straight strip plate 3 is arranged inside the second straight strip ruler 2, the straight strip plate 3 is taken in and out of the second straight strip ruler 2 under the action of the positioning bolt 8, the positioning bolt 8 can slide left and right, the straight strip plate 3 can slide up and down, the bar graph is drawn, and meanwhile the height of the bar graph can be freely adjusted according to requirements. When the straight ruler is not used, the first straight ruler 1 and the second straight ruler 2 are folded, the straight batten 3 is stored as the second straight ruler 2, and the positioning bolt 8 prevents the straight batten 3 from sliding out and is convenient to store.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The phrase "comprising a defined element does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a drawing device for economics statistics, includes No. one straight rule (1) and No. two straight rules (2), its characterized in that: one end of the first straight strip ruler (1) is provided with a first positioning hole, the second straight strip ruler (2) is provided with a second positioning hole (204), the first straight strip ruler (1) and the second straight strip ruler (2) are respectively sleeved through the first positioning hole and the second positioning hole (204) and are movably connected to the positioning rotating shaft (7), the upper side of the second straight strip ruler (2) is provided with a second notch (201), the second notch (201) penetrates through the second straight strip ruler (2), the second notch (201) is movably connected with the straight strip plate (3) inside, and one end of the straight strip plate (3) is provided with a third positioning hole; no. two straight chi (2) tops have been seted up No. three notch (202), swing joint pilot pin (8) on No. three notch (202), just No. three pilot hole swing joint straight slat (3) are run through to pilot pin (8) other end.
2. The economics statistical mapping device of claim 1 wherein: the utility model provides a fixed connection drive carousel (801) of gim peg (8) top, the following fixed connection outer sleeve (802) of drive carousel (801), inner loop pole (803) are cup jointed to the inside of outer sleeve (802), stopper (804) of fixed connection in the middle of outer sleeve (802), bottom fixed connection limiting plate (805) of outer sleeve (802), bottom fixed connection bearing (806) of inner loop pole (803), stopper (807) of bearing (806) outside fixed connection No. two.
3. The economics statistical mapping device of claim 2 wherein: no. two vertical bar chi (2) inside has been seted up No. four notches (203), No. five notches (301) are seted up in the middle of vertical bar board (3), No. six notches (302) have been seted up to vertical bar board (3) inside, interior loop bar (803) slide in No. five notches (301), No. two stopper (807) slide in No. six notches (302).
4. The economics statistical mapping device of claim 1 wherein: a notch (101) has been seted up to a vertical bar chi (1) inside, slider (5) of a notch (101) inside sliding connection, through-hole (501) have been seted up in the middle of slider (5).
5. The economics statistical mapping device of claim 1 wherein: an angle scale (6) is fixedly connected below the positioning rotating shaft (7), and a 360-degree scale is carved on the angle scale (6).
6. The economics statistical mapping device of claim 1 wherein: the positioning rotating shaft (7) is fixedly connected with the positioning disc (4), and the positioning disc (4) is made of a magnetic material.
7. The economics statistical mapping device of claim 2 wherein: the driving turntable (801) is fixedly connected with a direction positioning mark (808).
CN202121627476.XU 2021-07-17 2021-07-17 Drawing device for economics statistics Active CN214822202U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121627476.XU CN214822202U (en) 2021-07-17 2021-07-17 Drawing device for economics statistics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121627476.XU CN214822202U (en) 2021-07-17 2021-07-17 Drawing device for economics statistics

Publications (1)

Publication Number Publication Date
CN214822202U true CN214822202U (en) 2021-11-23

Family

ID=78832742

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121627476.XU Active CN214822202U (en) 2021-07-17 2021-07-17 Drawing device for economics statistics

Country Status (1)

Country Link
CN (1) CN214822202U (en)

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