CN211124585U

CN211124585U - Pie chart and line chart combined demonstration device

Info

Publication number: CN211124585U
Application number: CN202020018199.1U
Authority: CN
Inventors: 马玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-07-28
Anticipated expiration: 2030-01-06

Abstract

The utility model discloses a pie chart and line chart combine presentation device, including casing and pie chart show board, the inside fixedly connected with support plate of casing, and the support plate downside installs line chart show board, and support plate lower extreme fixed mounting has the guide bar simultaneously to fixed mounting has the stopper on the guide bar, is provided with the scale on the guide bar, and has cup jointed the regulating block on the guide bar, regulating block downside and spacing tub of fixed connection simultaneously to the inside fixedly connected with mark pole of regulating block, line chart show board downside fixedly connected with horizontal axis board, and fixedly connected with vertical axis board on the wall of line chart show board left side. This pie chart and line chart combine presentation device, have simulation line chart and the generation of pie chart, increase the interactive chance of teaching for line chart and pie chart teaching are more vivid, and two kinds of tendency charts of device simulation help improving the characteristics of student's study enthusiasm.

Description

Pie chart and line chart combined demonstration device

Technical Field

The utility model relates to a colleges and universities' teaching demonstration equipment field specifically is a pie chart and line chart combine presentation device.

Background

In the teaching of university economics, statistical knowledge is involved, a broken line statistical chart and a pie chart are two important data statistical methods, and in the traditional teaching of broken line charts, a teacher generally generates a broken line by drawing a dot and line on a blackboard and then explains the broken line; the method has the advantages that the freehand dotting and scribing on the blackboard takes more teaching time, the scribing process is relatively dull, the drawing process of the pie chart is also the same, the probability of students participating in interaction is less, the learning enthusiasm of the students is reduced, and the problems that how to improve the teaching efficiency of the broken line chart and the pie chart and how to more vividly and vividly perform the teaching of the broken line chart and the pie chart are to be solved urgently are solved; the prior art discloses (application number: CN201721784658.1) a line chart teaching demonstration device, and the specific way of connecting a rubber strip 33 with the top ends of four lifting rods 31 is provided as follows: the top end of each lifting rod 31 is provided with an elongated circular ring 311, one side of the elongated circular ring 311 is provided with an opening 3111, the rubber strip 33 is sleeved in the elongated circular ring 311 through the opening 3111, the first elongated circular ring and the fourth elongated circular ring in the four elongated circular rings 311 are respectively provided with a pressing bolt 4 for pressing the head end and the tail end of the rubber strip 33, after the pressing bolts 4 are screwed, the head end and the tail end of the rubber strip 33 are fixed, and the stable fixation of the rubber strip 33 can be ensured in the up-and-down movement process of the lifting rod 31; "the unsettled setting of lower extreme of lifter 31 when the positioning bolt does not screw, is lost the fixed power by tensile rubber banding 33, takes place to bounce back, drives lifter 31 and carries out the return, can cause the accidental injury to operating personnel, and this device can only demonstrate the broken line graph simultaneously, can't demonstrate the pie chart.

In order to solve the defects existing in the current market, the technology of improving the teaching demonstration device is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming the defect that mentions in the background art, provide a pie chart and line chart and combine presentation device. Pie chart show board and line chart show board have the generation of simulation line chart and pie chart, increase the interactive chance of teaching for line chart and pie chart teaching are more vivid, and two kinds of tendency pictures of a device simulation help improving the characteristics of student's study enthusiasm.

In order to achieve the above object, the utility model provides a following technical scheme: a pie chart and line chart combined demonstration device comprises a shell and a pie chart display board, wherein a support board is fixedly connected inside the shell, the line chart display board is installed on the lower side of the support board, a guide rod is fixedly installed at the lower end of the support board, a limiting block is fixedly installed on the guide rod, a scale is arranged on the guide rod, an adjusting block is sleeved on the guide rod, the lower side of the adjusting block is fixedly connected with a limiting pipe, a mark rod is fixedly connected inside the adjusting block, a transverse shaft plate is fixedly connected to the lower side of the line chart display board, and a longitudinal shaft plate is fixedly connected to the left side wall of the line chart display board;

the pie chart display board is fixedly installed on the upper side of the support plate through the installation board, the slide rail is fixedly connected to the installation board, the protractor is fixedly installed on the lower side of the slide rail, the shaft rod is fixedly installed on the pie chart display board, the shaft rod is sleeved with the lantern ring, the right end of the lantern ring is fixedly connected with the indicating rod, and the indicating rod is fixedly connected with the fixed block.

Preferably, the limiting pipe on the adjusting block and the guide rod are of concentric circle structures, and the limiting pipe is fixed on the guide rod through a compression bolt.

Preferably, the mark rod and the scale inside the adjusting block are arranged in a cross shape, and the adjusting block is of a lifting structure on the guide rod.

Preferably, the guide rods are uniformly arranged in four groups on the line drawing display board, the distances between every two adjacent groups of guide rods are equal, the four groups of guide rods are provided with adjusting blocks, and the four groups of adjusting blocks are connected through elastic ropes.

Preferably, the pie chart display board is a circular structure made of plastic materials, and the shaft lever is arranged at the circle center of the pie chart display board.

Preferably, the pie chart display board, the slide rail and the protractor are in a concentric circle structure.

Preferably, the lower end of the fixed block is fixedly connected with the sliding block, a circular sliding groove matched with the sliding block is formed in the sliding rail, the sliding block is arranged in the circular sliding groove in an arc shape, and meanwhile the four groups of fixed blocks are connected in the sliding groove in a sliding mode through the sliding block on the four groups of fixed blocks.

Preferably, the lantern rings are arranged into four groups which are sequentially sleeved on the shaft rod, and the four groups of lantern rings are fixedly connected with the indicating rods.

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

1. the four groups of fixed blocks drive the four groups of indicating rods to rotate around the shaft rods, and the four groups of indicating rods divide the pie chart display board into four groups of parts with different areas so as to simulate the generation of a pie chart;

2. the four groups of elastic ropes form a certain trend of broken lines on the broken line diagram display board to simulate the generation of a broken line diagram.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the adjusting block of the present invention;

FIG. 3 is a schematic sectional view of the structure A-A of the present invention;

FIG. 4 is a schematic view of a structural pie chart showing board of the present invention;

FIG. 5 is a schematic cross-sectional view of the structure B-B of the present invention;

fig. 6 is a side view of the structural pie chart display board of the present invention.

Reference numbers in the figures: 1. an adjusting block; 2. a longitudinal axis plate; 3. a transverse shaft plate; 4. a guide bar; 5. a scale; 6. an elastic cord; 7. a limiting block; 8. a line drawing display board; 9. a carrier plate; 10. a housing; 11. a shaft lever; 12. a pie chart display board; 13. a marker post; 14. a limiting pipe; 15. a slide rail; 16. a protractor; 17. a fixed block; 18. an indication lever; 19. a collar; 20. a slide 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. 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. 1-6, the present invention provides a technical solution: a pie chart and line chart combined demonstration device comprises a shell 10 and a pie chart display board 12, wherein a carrier plate 9 is fixedly connected inside the shell 10, a line chart display board 8 is installed on the lower side of the carrier plate 9, a guide rod 4 is fixedly installed at the lower end of the carrier plate 9, a limiting block 7 is fixedly installed on the guide rod 4, a scale 5 is arranged on the guide rod 4, an adjusting block 1 is sleeved on the guide rod 4, the lower side of the adjusting block 1 is fixedly connected with a limiting pipe 14, a marking rod 13 is fixedly connected inside the adjusting block 1, the limiting pipe 14 on the adjusting block 1 and the guide rod 4 are of a concentric structure, and the limiting pipe 14 is fixed on the guide rod 4 through a compression bolt; a horizontal shaft plate 3 is fixedly connected to the lower side of the line drawing display plate 8, and a longitudinal shaft plate 2 is fixedly connected to the left side wall of the line drawing display plate 8; the mark rod 13 and the scale 5 in the adjusting block 1 are arranged in a cross shape, and the adjusting block 1 is of a lifting structure on the guide rod 4; the guide rods 4 are uniformly arranged in four groups on the line drawing display board 8, the distances between two adjacent groups of guide rods 4 are equal, meanwhile, the four groups of guide rods 4 are all provided with the adjusting blocks 1, and the four groups of adjusting blocks 1 are connected through elastic ropes 6; the pie chart display board 12 is a circular structure made of plastic materials, and the shaft lever 11 is arranged at the center of the pie chart display board 12; the pie chart display board 12, the slide rail 15 and the protractor 16 are in concentric circle structures; the pie chart display board 12 is fixedly arranged on the upper side of the carrier board 9 through a mounting board, the mounting board is fixedly connected with a slide rail 15, the lower side of the slide rail 15 is fixedly provided with a protractor 16, the pie chart display board 12 is fixedly provided with a shaft lever 11, the shaft lever 11 is sleeved with a lantern ring 19, the right end of the lantern ring 19 is fixedly connected with an indicating rod 18, and the indicating rod 18 is fixedly connected with a fixed block 17; the lower end of the fixed block 17 is fixedly connected with the sliding block 20, a circular sliding groove matched with the sliding block 20 is formed in the sliding rail 15, the sliding block 20 is arranged in the circular sliding groove in an arc shape, and meanwhile, the four groups of fixed blocks 17 are connected in the sliding groove in a sliding mode through the sliding block 20 on the fixed blocks; the lantern rings 19 are arranged into four groups which are sequentially sleeved on the shaft lever 11, and the four groups of lantern rings 19 are fixedly connected with the indicating rods 18;

as shown in fig. 1-3: the four groups of guide rods 4 are respectively provided with the scale 5, the mark rods 13 on the adjusting block 1 are indicated on the scale 5, the adjusting block 1 can be accurately fixed at a target position, and meanwhile, the adjusting block 1 is fixed on the guide rods 4 through the compression bolts, so that the marking accuracy of the adjusting block 1 on the guide rods 4 is improved;

as shown in fig. 1 and fig. 4-6: the pie chart display board 12 is divided into four groups of parts with different areas by the four groups of indicating rods 18, the indicating rods 18 indicate on the protractors 16 at the same time, the adjustment of the area of the pie chart display board 12 can be realized, and the sliding blocks 20 on the lower side of the fixed block 17 are improved to be slidingly connected inside the sliding rails 15 in the rotating process of the fixed block 17, so that the fixed block 17 is limited and guided.

When using the pie chart and line chart in combination with a presentation device, the line chart simulates: the guide rods 4 are arranged in four groups on the broken line diagram display board 8, the four groups of adjusting blocks 1 on the four groups of guide rods 4 are adjusted in height, the four groups of adjusting blocks 1 with different heights are connected together through elastic ropes 6, and the four groups of elastic ropes 6 form broken lines with certain tendency on the broken line diagram display board 8 to simulate the generation of a broken line diagram; simulation of a pie chart: the stress ball on the fixed block 17 is held by hand, the four groups of fixed blocks 17 drive the four groups of indicating rods 18 to rotate around the shaft lever 11, and the four groups of indicating rods 18 divide the pie chart display board 12 into four groups of parts with different areas so as to simulate the generation of a pie chart; this is the entire process of the pie chart and line chart working in conjunction with the play set.

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

1. A pie chart and line chart combination demonstration device, which comprises a shell (10) and a pie chart display board (12), and is characterized in that: a support plate (9) is fixedly connected inside the shell (10), a line drawing display plate (8) is installed on the lower side of the support plate (9), a guide rod (4) is fixedly installed at the lower end of the support plate (9), a limiting block (7) is fixedly installed on the guide rod (4), a scale (5) is arranged on the guide rod (4), an adjusting block (1) is sleeved on the guide rod (4), the lower side of the adjusting block (1) is fixedly connected with a limiting pipe (14), a marking rod (13) is fixedly connected inside the adjusting block (1), a transverse shaft plate (3) is fixedly connected to the lower side of the line drawing display plate (8), and a longitudinal shaft plate (2) is fixedly connected to the left side wall of the line drawing display plate (8);

pie chart show board (12) pass through mounting panel fixed mounting at the upside of support plate (9), and fixedly connected with slide rail (15) on the mounting panel, and slide rail (15) downside fixed mounting has protractor (16) simultaneously, and fixedly mounted has axostylus axostyle (11) on pie chart show board (12), and has cup jointed lantern ring (19) on axostylus axostyle (11), lantern ring (19) right-hand member and indicator lever (18) fixed connection simultaneously to indicator lever (18) and fixed block (17) fixed connection.

2. A pie chart and line chart combination presentation device according to claim 1, wherein: spacing pipe (14) on regulating block (1) are concentric circle structure with guide bar (4), and spacing pipe (14) pass through clamp bolt to be fixed on guide bar (4).

3. A pie chart and line chart combination presentation device according to claim 1, wherein: the mark rod (13) inside the adjusting block (1) and the scale (5) are arranged in a cross shape, and the adjusting block (1) is of a lifting structure on the guide rod (4).

4. A pie chart and line chart combination presentation device according to claim 1, wherein: the four-group folding line drawing display board is characterized in that the guide rods (4) are uniformly arranged into four groups on the line drawing display board (8), the distances between two adjacent groups of guide rods (4) are equal, meanwhile, the four groups of guide rods (4) are provided with the adjusting blocks (1), and the four groups of adjusting blocks (1) are connected through elastic ropes (6).

5. A pie chart and line chart combination presentation device according to claim 1, wherein: the pie chart display board (12) is of a circular structure made of plastic materials, and the shaft lever (11) is arranged at the circle center of the pie chart display board (12).

6. A pie chart and line chart combination presentation device according to claim 1, wherein: the pie chart display board (12), the sliding rail (15) and the protractor (16) are of concentric circle structures.

7. A pie chart and line chart combination presentation device according to claim 1, wherein: the lower end of each fixed block (17) is fixedly connected with the corresponding sliding block (20), the sliding rail (15) is internally provided with a circular sliding groove matched with the sliding block (20), the sliding blocks (20) are arranged in the circular sliding groove in an arc mode, and the four groups of fixed blocks (17) are connected inside the sliding groove in a sliding mode through the sliding blocks (20) on the four groups of fixed blocks (17).

8. A pie chart and line chart combination presentation device according to claim 1, wherein: the lantern rings (19) are arranged into four groups which are sequentially sleeved on the shaft rod (11), and the four groups of lantern rings (19) are fixedly connected with the indicating rods (18).