CN211641617U

CN211641617U - Graphics drawing device for economics

Info

Publication number: CN211641617U
Application number: CN201921056236.1U
Authority: CN
Inventors: 江海清
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-10-09
Anticipated expiration: 2029-07-08

Abstract

The utility model belongs to the technical field of teaching equipment, in particular to a graphic drawing device for economics, which comprises three telescopic supports, wherein the upper ends of the three telescopic supports are provided with a swing box, the three telescopic supports are fixedly connected with the swing box through bolts, the upper end surface of the swing box is fixedly connected with a support rod, the upper end of the support rod is penetrated with a screw rod, the rear end of the screw rod is penetrated with a circular device, a triangular ruler turning block and a ruler turning block, the right end of the ruler turning block is fixedly connected with a second connecting block, the other end of the second connecting block is fixedly connected with a ruler, the upper end of the ruler is fixedly connected with a plurality of uniformly distributed vertical rulers, the height positions of the three telescopic supports are opened and adjusted, a pie chart is drawn according to the appearance of the circular device, and a columnar chart is drawn on a horizontal line segment by utilizing the space among the vertical rulers, thereby improving drawing efficiency.

Description

Graphics drawing device for economics

Technical Field

The utility model relates to a teaching equipment technical field, concretely relates to graphics drawing device for economics.

Background

The economics is a modern independent science, and is a subject about economic development rules, when the economics course teaches, a teacher needs to explain the corresponding relation between all proportions by using a pink-stroke pie chart or a histogram on a blackboard, and the traditional drawing method is completely drawing by feeling, so that the drawn graph is not accurate and standard, and the interest and understanding degree of students on the teaching content of the teacher are seriously influenced.

The prior art has the following problems:

1. the existing graphic drawing device for economics cannot accurately draw a histogram and a pie chart, so that the final graphic effect is poor.

2. At present, the drawing speed of the existing graphic drawing device for economics is low, so that the teaching efficiency is low.

Disclosure of Invention

In order to solve the problem provided in the above-mentioned background art, the utility model provides a graphics drawing device for economics, but have the characteristics of accurate drawing column chart and pie chart and drawing fast.

In order to achieve the above object, the utility model provides a following technical scheme: a graphic drawing device for economics comprises telescopic supports, wherein the upper ends of the three telescopic supports are provided with swinging boxes, the three telescopic brackets are fixedly connected with the swinging box through bolts, the upper end surface of the swinging box is fixedly connected with a supporting rod, a screw rod penetrates through the upper end of the supporting rod, a circular device, a triangular ruler turning block and a straight ruler turning block are connected through the rear end of the screw rod, the circular device is positioned behind the set square main body and the ruler, the set square main body is positioned behind the ruler, the left end of the triangular ruler turning block is fixedly connected with a first connecting block, the other end of the first connecting block is fixedly connected with a triangular ruler main body, the right end of the ruler turning block is fixedly connected with a second connecting block, the other end of the second connecting block is fixedly connected with a ruler, the front end face of the ruler is provided with scale marks, and the upper end of the ruler is fixedly connected with a plurality of uniformly distributed vertical rulers.

In order to make the angle size of set square can change, conduct the utility model relates to an economics is with preferred with figure drawing device, the slide opening has been seted up to the preceding terminal surface of set square main part, the inside through connection of slide opening has two first slide bars, two the lateral wall of first slide bar has all cup jointed three horns, two the upper end of three horns is provided with the second slide bar, two three horns pass through second sliding rod connection.

For the convenience arrangement drawing device, as the utility model relates to an economics is preferred with figure drawing device, it is three telescopic bracket's right side is provided with the bandage, the bandage with be located the telescopic bracket fixed connection on right side, the left side fixedly connected with hair side of bandage rear end face, the right side fixedly connected with of terminal surface colludes the face before the bandage.

In order to draw a sector with an accurate angle in a pie chart conveniently, as the utility model relates to an economy is preferable with the graphic drawing device, ten degrees angular holes, thirty degrees angular holes and forty-five degrees angular holes have been seted up to the preceding terminal surface of circular ware.

In order to combine the triangular strips into triangles of different types, the length of the triangular strips is smaller than that of the sliding holes, which is preferred by the graphic drawing device for economics of the invention.

For the convenience of drawing the histogram of accurate numerical value, as the utility model relates to an economics is preferred with graphic drawing device, the preceding terminal surface of perpendicular chi is provided with perpendicular groove.

In order to carry the drawing device conveniently, as the utility model relates to an economy is preferable with graphic drawing device, the upper end fixedly connected with of bandage carries the area.

In order to avoid the flexible support removal during drawing, as the utility model relates to an economics is preferable with graphic drawing device, it is three the equal fixedly connected with antiskid foot of lower extreme of flexible support.

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

1. this kind of graphics drawing device for economics, through the high position with three telescopic bracket is opened and the three telescopic bracket of adjustment, then lean on the rear end face of circular ware on the blackboard, pie chart is drawn according to the appearance of circular ware, through with ruler to the left turn to horizontal position, the line segment of accurate length is drawn according to the scale mark of ruler, then rotate the ruler to horizontal position right, and draw the histogram on the horizontal segment through the interval between a plurality of perpendicular rulers, and then do not use ruler teaching aid to draw, thereby improve drawing efficiency.

2. This kind of graphics drawing device for economics, with the one end of two triangle strips through two first slide bars and slide opening through connection, the other end and the second slide bar through connection of two triangle strips, through pulling the second slide bar from top to bottom, and then drive two first slide bars and slide left or right in the inside of slide opening to draw the angle size of multiple triangle-shaped.

3. This kind of graphics drawing device for economics, with three telescopic bracket horizontal hunting in the swing box, and then press close to three telescopic bracket's lower extreme each other, then the right-hand member of pulling bandage rotates to the left, will collude the face and glue on the hair side after that to reach arrangement drawing device's effect.

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 an overall structure diagram of the present invention;

FIG. 2 is a drawing of a triangular ruler structure of the present invention;

FIG. 3 is a structural view of the ruler of the present invention;

FIG. 4 is a structural diagram of the swing box of the present invention;

FIG. 5 is a top view of an economical graphics rendering apparatus according to the present invention;

in the figure, 1, a telescopic bracket; 2. a circular device; 201. a ten degree angle hole; 202. thirty degree angle holes; 203. a forty-five degree angle hole; 3. a set square main body; 301. a slide hole; 302. a first connection block; 303. a triangular ruler turning block; 304. triangular bars; 305. a first slide bar; 306. a second slide bar; 4. a straightedge; 401. scale lines; 402. a second connecting block; 403. the straight ruler is a turning block; 5. a vertical ruler; 501. vertically scribing lines; 6. binding bands; 601. hooking the surface; 602. rough surface; 603. lifting the belt; 7. anti-skid feet; 8. a swing box; 9. a support bar; 901. a screw rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides the following technical solutions: a graphic drawing device for economics comprises three telescopic supports 1, wherein the upper ends of the three telescopic supports 1 are provided with swing boxes 8, the three telescopic supports 1 are fixedly connected with the swing boxes 8 through bolts, the upper end face of each swing box 8 is fixedly connected with a supporting rod 9, the upper end of each supporting rod 9 penetrates through a screw rod 901, the rear end of each screw rod 901 is connected with a circular device 2, a triangular ruler turning block 303 and a straight ruler turning block 403 in a penetrating manner, the circular device 2 is positioned behind the triangular ruler main body 3 and the straight ruler 4, the triangular ruler main body 3 is positioned behind the straight ruler 4, the left end of the triangular ruler turning block 303 is fixedly connected with a first connecting block 302, the other end of the first connecting block 302 is fixedly connected with the triangular ruler main body 3, the right end of the straight ruler turning block 403 is fixedly connected with a second connecting block 402, the other end of the second connecting block 402 is fixedly connected with the straight ruler 4, and the front end face, the upper end of the straight scale 4 is fixedly connected with a plurality of evenly distributed vertical scales 5.

In this embodiment: through opening three telescopic bracket 1 and adjusting three telescopic bracket 1's high position, then lean on the rear end face of circular ware 2 on the blackboard, draw pie chart according to the appearance of circular ware 2, through with ruler 4 to the left turn to horizontal position, the line segment of accurate length is drawn according to ruler 4's scale mark 401, then rotate ruler 4 right to horizontal position, and draw the histogram on the horizontal line segment through the interval between a plurality of perpendicular rulers 5, and then need not hand teaching aid drawing, thereby improve drawing efficiency.

Specifically, a slide hole 301 has been seted up to the preceding terminal surface of set square main part 3, and the inside through connection of slide hole 301 has two first slide bars 305, and triangular bar 304 has all been cup jointed to the lateral wall of two first slide bars 305, and the upper end of two triangular bars 304 is provided with second slide bar 306, and two triangular bars 304 are connected through second slide bar 306.

In this embodiment: one ends of the two triangular bars 304 are connected with the sliding hole 301 in a penetrating manner through the two first sliding bars 305, the other ends of the two triangular bars 304 are connected with the second sliding bar 306 in a penetrating manner, and the two first sliding bars 305 are driven to slide leftwards or rightwards in the sliding hole 301 by pulling the second sliding bar 306 up and down, so that the angles of various triangles are drawn.

Specifically, the right side of three telescopic bracket 1 is provided with bandage 6, bandage 6 and the telescopic bracket 1 fixed connection that is located the right side, the left side fixedly connected with hair side 602 of bandage 6 rear end face, the right side fixedly connected with hook face 601 of bandage 6 preceding terminal surface.

In this embodiment: swing about in swing box 8 with three telescopic bracket 1, and then press close to the lower extreme of three telescopic bracket 1 each other, then the right-hand member that pulls bandage 6 rotates to the left, will collude face 601 and glue on hair face 602 after that to reach the effect of arrangement drawing device.

Specifically, the front end surface of the circular tool 2 is provided with a ten-degree-angle hole 201, a thirty-degree-angle hole 202, and a forty-five-degree-angle hole 203.

In this embodiment: the front end face of the circular device 2 is provided with a ten-degree-angle hole 201, a thirty-degree-angle hole 202 and a forty-five-degree-angle hole 203, and then the circular device 2 is rotated, so that fan-shaped drawings of different angles are drawn along the inner edges of the ten-degree-angle hole 201, the thirty-degree-angle hole 202 and the forty-five-degree-angle hole 203 in the drawn circle.

Specifically, the lengths of the two triangular bars 304 are both smaller than the length of the slide hole 301.

In this embodiment: by both the triangular bars 304 having a length smaller than the length of the slide hole 301, the left triangular bar 304 can be manually fixed, then the second slide bar 306 is pulled upward, and then the right first slide bar 305 is moved leftward to change into an acute triangle, and vice versa into an obtuse triangle, so that the triangular bars 304 are combined into different types of triangles.

Specifically, the front end surface of the vertical ruler 5 is provided with a vertical scale line 501.

In this embodiment: the front end face of the vertical ruler 5 is provided with a vertical scale line 501, so that when a columnar graph is drawn, the columnar graph can slide out according to the vertical scale line 501 to be accurate in height.

Specifically, the upper end of the binding band 6 is fixedly connected with a lifting band 603.

In this embodiment: through the upper end fixedly connected with of bandage 6 carry area 603, after the drawing device arrangement was accomplished, transversely place the drawing device, then carry and carry area 603 and carry the drawing device.

Specifically, the lower ends of the three telescopic supports 1 are fixedly connected with anti-skid feet 7.

In this embodiment: the anti-skidding foot 7 of the equal fixed connection of lower extreme through three telescopic bracket 1, and then when the user is drawing, anti-skidding foot 7 can avoid telescopic bracket 1 to remove to improve user's drawing efficiency.

The utility model discloses a theory of operation and use flow: the height positions of the three telescopic supports 1 are opened and adjusted, then the rear end face of the circular device 2 is leaned against a blackboard, a pie chart is drawn according to the appearance of the circular device 2, the circular device 2 is rotated, fan shapes with different angles are drawn along the inner edges of a ten-degree angle hole 201, a thirty-degree angle hole 202 and a forty-five-degree angle hole 203 in the drawn circle, then a straight ruler 4 is rotated to the left side to reach a horizontal position, line segments with accurate lengths are drawn according to a scale mark 401 of the straight ruler 4, then the straight ruler 4 is rotated to the right side to reach the horizontal position, column charts are drawn on a horizontal line segment through the intervals among a plurality of vertical rulers 5, the accurate column chart height slides out according to a vertical line 501, then a second slide bar 306 is pulled up and down, and then two first slide bars 305 are driven to slide leftwards or rightwards in a slide hole 301, and then triangles with various angles are drawn, then the triangular ruler main body 3 and the straight ruler 4 are rotated downwards, the three telescopic supports 1 are swung left and right in the swing box 8, the lower ends of the three telescopic supports 1 are close to each other, then the right end of the binding belt 6 is pulled to rotate left, then the hook surface 601 is adhered to the hair surface 602, and finally the lifting belt 603 is lifted to carry the drawing device.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a graphics drawing device for economics, includes three telescopic bracket, its characterized in that: the upper ends of the three telescopic brackets are provided with swing boxes, the three telescopic brackets are fixedly connected with the swing boxes through bolts, the upper end surface of the swing box is fixedly connected with a support rod, the upper end of the support rod is penetrated with a screw rod, the rear end of the screw rod is connected with a circular device, a triangular ruler turning block and a straight ruler turning block in a penetrating way, the circular device is positioned behind the triangular ruler main body and the straight ruler, the triangular ruler main body is positioned behind the straight ruler, the left end of the triangular ruler turning block is fixedly connected with a first connecting block, the other end of the first connecting block is fixedly connected with a set square main body, the right end of the straight scale turning block is fixedly connected with a second connecting block, the other end fixedly connected with ruler of second connecting block, the preceding terminal surface of ruler is provided with the scale mark, the upper end fixedly connected with a plurality of evenly distributed's of ruler erects the chi.

2. An economics graphics rendering apparatus as defined in claim 1 wherein: the slide opening has been seted up to the preceding terminal surface of set square main part, the inside through connection of slide opening has two first slide bars, two the lateral wall of first slide bar has all cup jointed three angle bars, two the upper end of three angle bars is provided with the second slide bar, two three angle bars pass through the second slide bar connection.

3. An economics graphics rendering apparatus as defined in claim 1 wherein: three the right side of telescopic bracket is provided with the bandage, bandage and the telescopic bracket fixed connection that is located the right side, the left side fixedly connected with matte of bandage rear end face, the right side fixedly connected with of terminal surface colludes the face before the bandage.

4. An economics graphics rendering apparatus as defined in claim 1 wherein: the front end face of the circular device is provided with a ten-degree angle hole, a thirty-degree angle hole and a forty-five-degree angle hole.

5. An economics graphics rendering apparatus as defined in claim 2 wherein: the length of the two triangular strips is smaller than that of the sliding hole.

6. An economics graphics rendering apparatus as defined in claim 1 wherein: and a vertical scale line is arranged on the front end face of the vertical ruler.

7. An economics graphics rendering apparatus as defined in claim 3 wherein: the upper end of the binding band is fixedly connected with a lifting belt.

8. An economics graphics rendering apparatus as defined in claim 1 wherein: the lower ends of the three telescopic supports are fixedly connected with anti-skidding feet.