CN109785732B - Adjustable display drawing board suitable for statistics work - Google Patents
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- CN109785732B CN109785732B CN201910241352.9A CN201910241352A CN109785732B CN 109785732 B CN109785732 B CN 109785732B CN 201910241352 A CN201910241352 A CN 201910241352A CN 109785732 B CN109785732 B CN 109785732B
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Abstract
An adjustable display drawing board suitable for statistical work relates to a statistical display drawing board, wherein a bar chart (2), a line chart (4) and a sector chart (6) are adhered or adsorbed on the surface of a board body (1), wherein the bar chart (2) comprises a bottom board (12) and color strip paper (11) with adjustable height adhering or adsorbing positions; the line drawing (4) comprises a color line (21) and a line adding positioning block (20) with adjustable pasting or adsorption positions; the sector chart (6) comprises a plurality of specific gravity adjusting sheets capable of adjusting specific gravity; the invention obtains the synchronous adjustment after the data update by setting the adjustable bar graph, the line graph and the sector graph.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a statistical display drawing board, in particular to an adjustable display drawing board suitable for statistical work.
[ background ] A method for producing a semiconductor device
As known, statistics is a subject about recognizing the overall quantity characteristics and quantity relations of objective phenomena, and is a methodology science for recognizing the regularity of the quantity of objective phenomena by collecting, sorting and analyzing statistical data; because the quantitative research of statistics has the characteristics of objectivity, accuracy and verifiability, the statistical method becomes the most important method for empirical research and is widely applied to the analysis research in various fields of nature, society, economy and science and technology; as statistical work, a series of activities needing to adopt a scientific method to collect, arrange and analyze statistical data generally comprise four links of statistical design, statistical investigation, statistical arrangement and statistical analysis; the most expressive statistics are data, including statistical distribution, statistical grouping, distribution sequence, statistical table, statistical graph making technology, etc.; in the production of statistical diagrams, common charts comprise bar charts, line charts and sector charts; the bar chart "also called philips graph" is a graph in which the height or length of bars having the same width is used to indicate the amount of data. The bar graph may be horizontal or vertical, and is also called column chart "when vertical. In addition, the bar graph has the forms of a simple bar graph, a compound bar graph and the like, and specifically, the bar graph is drawn on a board surface and provided with a bottom transverse line and a side vertical line, then a plurality of transverse lines are drawn at equal intervals on the upper part of the bottom transverse line, a plurality of equidistant vertical lines are drawn on the side vertical line towards the other side direction, and the year, the yield, the population and the like are marked at the position of the bottom transverse line corresponding to each vertical line; then, the yield, the investment, the per capita value and the like are marked at the position, corresponding to each transverse line, of the vertical line on one side, and finally, the same color or different color bars with larger contrast with the plate surface are drawn from the lower end to the upper part of each vertical line, so that people can visually know and recognize the bars and acquire data conveniently; similarly, the line graph is substantially the same as the bar graph except that the bars are replaced with dots and connecting lines; the sector graph is also called a sector percentage graph, which uses the whole circle to represent the total number, and uses the size of each sector in the circle to represent the percentage of the number of each part in the total number; the relationship between the number of each part and the total number can be clearly shown by a sector statistical chart.
The existing graph making is mostly made of colored paper with adhesive sticker on the back, and various data charts can not be adjusted when the graph making machine is used, so that the chart making machine needs to make a secondary graph after data updating every time, and waste is great.
[ summary of the invention ]
In order to overcome the defects in the background art, the invention discloses an adjustable display chart board suitable for statistical work, which obtains synchronous adjustment after data updating by setting adjustable bar graphs, line graphs and sector graphs.
The technical scheme for realizing the invention is as follows:
an adjustable display drawing board suitable for statistical work comprises a board body, a bar graph, a line graph and a sector graph, wherein the bar graph, the line graph and the sector graph are adhered or adsorbed on the surface of the board body, and the bar graph comprises a bottom board and color strip paper, the height of the bottom board can be adjusted, and the position of the bottom board can be adhered or adsorbed; the line graph comprises a color line adding positioning block capable of adjusting the pasting or adsorption position; the sector diagram includes a plurality of specific gravity adjusting pieces that can adjust specific gravity.
When the plate body is magnetic attraction, the plate body comprises a steel plate, a zinc coating and a baking finish, a magnetic plate is arranged on the lower rear surface of the bottom plate of the color strip paper, the unused part in the middle of the color strip paper is folded on the upper rear surface of the bottom plate, and the magnetic plate is arranged on the back of one end of the color strip paper; a magnet is embedded in the rear surface of the wire positioning block for fixing the color wire; the bottom plate at the rear part of the specific gravity adjusting sheet is made of magnetic materials or a magnetic plate is arranged on the rear surface of the bottom plate.
When the plate body is a conventional plate surface, the lower rear part of the bottom plate of the color strip paper is provided with non-setting adhesive or double-sided adhesive, the unused part in the middle of the color strip paper is folded on the upper rear part of the bottom plate, and the back of one end of the color strip paper is provided with the non-setting adhesive or double-sided adhesive; a sucking disc, a non-setting adhesive or a double-sided adhesive is arranged on the rear surface of the thread positioning block for fixing the color thread; the back surface of the bottom plate at the back part of the specific gravity adjusting sheet is provided with non-setting adhesive or double-sided adhesive.
The adjustable display drawing board suitable for statistical work is characterized in that the front face of the other end of the color strip paper is bonded with the upper rear face of the bottom plate through adhesive sticker.
The adjustable show drawing board suitable for statistics work, the last rear portion face at the bottom plate is equipped with sunken face, the both sides of the sunken face of bottom plate are equipped with protruding strip respectively, the sunken face at rear portion is passed through the non-setting adhesive and is in the same place with the bottom plate on the various strip paper other end front face of various strip paper, the protruding strip of both sides is hugged closely to various strip paper other end both sides, the step that the sunken face lower part of the next-door neighbour bottom plate of various strip paper other end lower part and bottom plate middle part formed, various strip paper middle part is hidden through bending in the sunken face.
The adjustable display drawing board suitable for statistical work is characterized in that when a plurality of pieces of color strip paper are used, the colors of the front faces of the color strip paper and the front face of the bottom plate are respectively the same, the front faces of the color strip paper and the front face of the bottom plate are the same color or different colors, and the front faces of the color strip paper and the front face of the bottom plate have color differences with the board body.
The adjustable display drawing board suitable for statistical work is characterized in that a magnetic sheet is arranged on the front surface of the line positioning block, a magnet is embedded in the middle of the rear surface of the line positioning block, and the magnetic sheet on the front surface of the line positioning block and the magnet are used for obtaining that the other line positioning block is adsorbed on the front surface of the line positioning block when two curves are overlapped; the upper part of the on-line positioning block is provided with a through hole which runs through the two sides and is used for penetrating a color line.
The adjustable show drawing board suitable for statistics work, the anterior face of online locating piece is equipped with the plain noodles, and the rear portion face of online locating piece is equipped with the ring channel, and the protruding ring of sucking disc front portion face is fixed in the ring channel of line locating piece, protruding ring setting is equipped with the sucking disc limit of loudspeaker form at the outer fringe rear portion of sucking disc board, the sucking disc material is vulcanized rubber, silica gel, TPE or soft PVC's arbitrary one, the color line material is the arbitrary one of colored rubber band or colored spring line.
The adjustable display drawing board suitable for statistical work comprises a pressing sheet, a specific gravity sheet A, a specific gravity sheet B, a specific gravity sheet D, a specific gravity sheet C, a sleeve and a bottom board, wherein the middle part of the bottom board is fixedly connected with the rear end of the sleeve, the specific gravity sheet A, the specific gravity sheet B and the specific gravity sheet D are of different color same structures, a middle hard ring is arranged in the middle of the specific gravity sheet A, a circular opening with the diameter larger than that of the middle hard ring is arranged in the middle of the specific gravity sheet A, openings are formed in the circular opening and the outer edge of the specific gravity sheet A, a connecting strip is arranged between the circular opening on one side of the opening of the specific gravity sheet A and the middle hard ring, and the middle hard rings of the specific gravity sheet A, the specific gravity sheet B and the specific gravity sheet D are sequentially sleeved on the sleeve; the middle part of the specific gravity piece C is provided with a hard ring, the outer edge of the hard ring at the middle part of the specific gravity piece C to the outer edge of the specific gravity piece C are provided with a break opening, the hard ring is sleeved on the sleeve, one end parts of two end parts of the break opening of the specific gravity piece C are connected to the bottom plate exposed at the openings of the specific gravity piece A, the specific gravity piece B and the specific gravity piece D, and the middle part of the rear part of the pressing piece is provided with an insertion column which is fixed in a pipe hole of the sleeve.
The adjustable display drawing board suitable for statistical work is characterized in that bulges are respectively arranged on the outer edges of one sides of the gaps of the specific gravity sheet A, the specific gravity sheet B and the specific gravity sheet D.
Through the disclosure, the beneficial effects of the invention are as follows:
according to the adjustable display drawing board suitable for statistical work, the folded color strip paper is hidden at the rear part of the bottom board, and when the adjustable display drawing board is used, the required length is taken out according to the requirement and is adhered to the surface of the board body by using the magnetic board or the adhesive sticker, so that an adjustable strip drawing is obtained; acquiring an adjustable line graph by using a sucker or a magnet of a positioning block by using the combination of the positioning block and the color strip paper; acquiring an adjustable sector map by combining a plurality of specific gravity slices; the invention utilizes the adjustable bar chart, the line chart and the sector chart to obtain the synchronous adjustment after the statistical data is updated.
[ description of the drawings ]
FIG. 1 is a schematic diagram of a statistical chart of the present invention;
FIG. 2 is a bar graph of the present invention;
FIG. 3 is a schematic view of a three-dimensional connection structure of the color strip paper and the back of the bottom plate;
FIG. 4 is a schematic view of a back perspective of the base plate of the present invention;
FIG. 5 is a line drawing of the present invention;
FIG. 6 is a schematic view of a line positioning block according to the present invention;
FIG. 7 is a perspective view of a linear positioning block of the present invention;
FIG. 8 is a schematic view of another angular perspective of the wire alignment block of the present invention;
FIG. 9 is a sector view of the present invention;
FIG. 10 is a schematic view of the fan apparatus assembly of the present invention;
FIG. 11 is a schematic view of another angular perspective of the bottom plate of the present invention;
in the figure: 1. a plate body; 2. bar graph; 3. bar-shaped graphic text word description; 4. a line graph; 5. line drawing text description; 6. a sector diagram; 7. fan-shaped graphic character description; 8. transverse lines; 9. vertical lines; 10. one end of the color strip paper; 11. color strip paper; 12. a base plate; 13. the other end of the color strip paper; 14. magnetic plate or adhesive sticker A; 15. a raised strip; 16. a magnetic plate or a pressure sensitive adhesive B; 17. a recessed surface; 18. adhesive sticker; 19. a step; 20. a wire positioning block; 21. color lines; 22. a magnetic sheet; 23. perforating; 24. a magnet; 25. a raised ring; 26. sucking disc edge; 27. a sucker plate; 28. an annular groove; 29. a specific gravity piece A; 30. a specific gravity piece B; 31. tabletting; 32. a specific gravity piece C; 33. a specific gravity piece D; 34. bulging; 35. inserting a column; 36. a circular port; 37. a middle hard ring; 38. a connecting strip; 39. opening the gap; 40. a tube hole; 41. a sleeve; 42. a bottom plate; 43. magnetic plate or adhesive C.
[ detailed description ] embodiments
The present invention will be further illustrated with reference to the following examples; the following examples are not intended to limit the present invention, and are only used as a support for the implementation of the present invention, and any equivalent structure replacement within the technical framework of the present invention is included in the protection scope of the present invention;
the adjustable display chart board suitable for statistical work described with reference to fig. 1 to 11 includes a board body 1, a bar graph 2, a line graph 4 and a sector graph 6, wherein the bar graph 2, the line graph 4 and the sector graph 6 are adhered or adsorbed on the surface of the board body 1, and the bar graph 2 includes a bottom board 12 and a color strip paper 11, the height of which can be adjusted, and the adhering or adsorbing position of which can be adjusted; the line drawing 4 comprises a color line 21 and a line positioning block 20 which can adjust the pasting or adsorption position; sector figure 6 includes a plurality of specific gravity adjusting pieces that can adjust specific gravity.
Further, when the plate body 1 is magnetic attraction, the plate body 1 comprises a steel plate, a zinc coating and a baking finish, a magnetic plate is arranged on the lower rear surface of the bottom plate 12 of the color strip paper 11, the unused part of the middle part of the color strip paper 11 is folded on the upper rear surface of the bottom plate 12, and the magnetic plate is arranged on the back of one end 10 of the color strip paper 11; a magnet 24 is embedded in the rear surface of the thread positioning block 20 for fixing the color thread 21; the bottom plate 42 at the rear of the specific gravity adjusting piece is made of a magnetic material or a magnetic plate is arranged on the rear surface of the bottom plate 42.
Further, when the board body 1 is a conventional board surface, the lower rear surface of the bottom board 12 of the color strip paper 11 is provided with a non-setting adhesive or a double-sided adhesive, the unused part of the middle part of the color strip paper 11 is folded on the upper rear surface of the bottom board 12, and the back surface of one end 10 of the color strip paper 11 is provided with the non-setting adhesive or the double-sided adhesive; a sucking disc, a non-setting adhesive or a double-sided adhesive is arranged on the rear surface of the thread positioning block 20 for fixing the color thread 21; the rear surface of the rear bottom plate 42 of the specific gravity adjusting sheet is provided with adhesive sticker or double-sided adhesive tape.
With reference to fig. 1, 2, 3 and 4, a concave surface 17 is arranged on the upper rear surface of a bottom plate 12, two sides of the concave surface 17 of the bottom plate 12 are respectively provided with a convex strip 15, the front surface of the other end 13 of the color strip paper 11 of the color strip paper is adhered to the concave surface 17 on the upper rear portion of the bottom plate 12 through a non-setting adhesive 18, two sides of the other end 13 of the color strip paper are tightly attached to the convex strips 15 on two sides, the lower part of the other end 13 of the color strip paper is close to the lower part of the concave surface 17 of the bottom plate 12 and a step 19 formed in the middle of the bottom plate 12, and the middle part of the color strip paper 11 is hidden in the concave surface 17 through bending; when a plurality of color strip papers 11 are used, the colors of the front surfaces of the color strip papers 11 and the front surface of the bottom plate 12 are respectively the same, the front surfaces of the color strip papers 11 and the bottom plate 12 are the same or different, and the front surfaces of the color strip papers 11 and the bottom plate 12 have color difference with the plate body 1.
With reference to fig. 1, 5, 6, 7 and 8, a magnetic sheet 22 is disposed on the front surface of the wire positioning block 20, a magnet 24 is embedded in the middle of the rear surface of the wire positioning block 20, and the other wire positioning block 20 is adsorbed on the front surface of the wire positioning block 20 when two curves obtained by the magnetic sheet 22 and the magnet 24 on the front surface of the wire positioning block 20 are overlapped; the upper part of the on-line positioning block 20 is provided with a through hole 23 which runs through the two sides, and the through hole 23 is used for penetrating a color line 21; the anterior face of online locating piece 20 is equipped with the plain noodles, and the rear portion face of online locating piece 20 is equipped with ring channel 28, and the protruding ring 25 of sucking disc front portion face is fixed in the ring channel 28 of line locating piece 20, protruding ring 25 sets up at the front portion face of sucking disc board 27, is equipped with the sucking disc limit 26 of loudspeaker form at the outer fringe rear portion of sucking disc board 27, the sucking disc material is vulcanized rubber, silica gel, TPE or soft PVC's arbitrary one, the 21 materials of colored thread is the arbitrary one of colored rubber band or colored spring line.
With reference to fig. 1, 9, 10 and 11, the specific gravity piece includes a pressing piece 31, a specific gravity piece a29, a specific gravity piece B30, a specific gravity piece D33, a specific gravity piece C32, a sleeve 41 and a bottom plate 42, the middle part of the bottom plate 42 is fixedly connected with the rear end of the sleeve 41, the specific gravity piece a29, the specific gravity piece B30 and the specific gravity piece D33 are of different color and same structure, wherein a middle hard ring 37 is arranged at the middle part of the specific gravity piece a29, a circular opening 36 with a diameter larger than that of the middle hard ring 37 is arranged at the middle part of the specific gravity piece a29, a gap 39 is arranged between the circular opening 36 at one side of the gap 39 of the specific gravity piece a29 and the middle hard ring 37, and a connecting strip 38 is arranged between the circular opening 36 at one side of the gap 39 of the specific gravity piece a29, the specific gravity piece B30 and the middle hard ring 37 of the specific gravity piece D33, which are sequentially sleeved on the sleeve 41; a hard circular ring is arranged in the middle of the specific gravity piece C32, a broken opening is arranged from the outer edge of the hard circular ring in the middle of the specific gravity piece C32 to the outer edge of the specific gravity piece C32, the hard circular ring is sleeved on the sleeve 41, one end of each of two end parts of the broken opening of the specific gravity piece C32 is connected to the bottom plate 42 exposed at the notch 39 of the specific gravity piece A29, the specific gravity piece B30 and the specific gravity piece D33, and the inserting columns 35 arranged in the middle of the rear face of the pressing piece 31 and protruding 34 are respectively arranged on the outer edges of one side of the notches 39 of the specific gravity piece A29, the specific gravity piece B30 and the specific gravity piece D33 and are fixed in the pipe holes 40 of the sleeve 41.
The adjustable display chart board suitable for statistical work disclosed by the invention is implemented by combining the attached drawings 1 to 11, and when in specific use, a bar chart 2, a line chart 4 and a sector chart 6 can be integrally drawn on the board body 1 according to requirements, and a small board body 1 'can be used, namely a board surface made of a Baoli board, organic glass and a metal bottom board or a five-ply board with a smooth surface';
when making bar graph 2, using special smooth plate 1, using thin strip color copper plate paper to draw horizontal line 8 and vertical line 9 on plate 1 in advance, then using oil marker pen to make year and money mark of figure 1 or 2 at one end of horizontal line 8 and lower end of vertical line 9, then filling in bar graph text note 3 according to statistical object, taking out multiple bar graph text note devices formed by bottom plate 12 and color bar paper 11, firstly adhering magnetic plate or non-setting adhesive A14 at rear part of color bar paper end 10 of color bar paper 11 at proper position of upper part of vertical line 9 according to length requirement, the rest color bar paper 11 is at rear upper part of bottom plate 12, then adhering magnetic plate or non-setting adhesive B16 of bottom plate 12 at lower part of vertical line 9, the lower end of bottom plate 12 is equal to the lower end of vertical line 9, when data change, removing color bar paper 11 and bottom plate 12, then adhering color bar paper 11 and bottom plate 12 according to the above mentioned mode, the required bar graph can be obtained;
when the line graph is manufactured, a special smooth plate body 1 is used, a thin strip-shaped colored copper plate paper is used for drawing a horizontal line 8 and a vertical line 9 in advance on the plate body 1, then, the year and amount marks given in FIG. 1 or 5 are made at one end of the horizontal line 8 and the lower end of the vertical line 9 using an oil marker, then filling out a line drawing text 5 according to the statistical object, inserting a color line 21 'preferably an elastic color rubber band' into the through hole 23 of the line positioning block 20 according to the number of the line drawing points, two ends of the color thread 21 are respectively fixed in the through hole 23 of the thread positioning block 20 at the outermost end by knotting or using a wedge block to prevent the color thread 21 from slipping off, and then fixed in place using the suction cups or magnets 24 of the wire alignment block 20 based on the statistical data, when the position needs to be changed, the required line graph can be obtained only by taking the offline positioning block 20 and fixing the offline positioning block at a new position;
when a sector diagram is manufactured, a special smooth plate body 1 is used, the position of the sector diagram is positioned on the plate body 1 in advance, then an oil marker pen is used for marking the marks shown in the attached figures 1 or 9, then the sector diagram text description 7 is filled according to statistical objects, a magnetic plate or adhesive sticker C43 on the back surface of a bottom plate 42 of an assembled sector diagram device is fixed on the plate body 1, a proportion sheet D33, a proportion sheet B30 and a proportion sheet A29 are adjusted in a rotating mode through a protrusion 34 to obtain a proper percentage, and when the percentage needs to be changed, the protrusion 34 is only needed to rotate to enable the exposed parts of the proportion sheet D33, the proportion sheet B30 and the proportion sheet A29 to reach the proper proportion position, and the required sector diagram can be obtained.
The present invention is not described in detail in the prior art.
Claims (5)
1. The utility model provides an adjustable show drawing board suitable for statistics work, includes plate body (1), bar chart (2), line chart (4) and fan-shaped picture (6), characterized by: a bar graph (2), a line graph (4) and a sector graph (6) are adhered or adsorbed on the surface of the plate body (1), wherein the bar graph (2) comprises a bottom plate (12) with an adjustable height adhering or adsorbing position and color strip paper (11); the line drawing (4) comprises a color line (21) and a line adding positioning block (20) with adjustable pasting or adsorption positions; the sector chart (6) comprises a plurality of specific gravity adjusting sheets capable of adjusting specific gravity; when the plate body (1) is magnetic attraction, the plate body (1) is made of a steel plate, a zinc coating and a baking finish, a magnetic plate is arranged on the lower rear surface of a bottom plate (12) of the color strip paper (11), the unused part of the middle part of the color strip paper (11) is folded on the upper rear surface of the bottom plate (12), and the magnetic plate is arranged on the back of one end (10) of the color strip paper (11); a magnet (24) is embedded in the rear surface of the thread positioning block (20) for fixing the color thread (21); the bottom plate (42) at the rear part of the specific gravity adjusting sheet is made of magnetic materials or a magnetic plate is arranged on the rear surface of the bottom plate (42); when the board body (1) is a conventional blackboard, adhesive sticker or double-sided adhesive is arranged on the lower rear surface of the bottom plate (12) of the color strip paper (11), the unused part in the middle of the color strip paper (11) is folded on the upper rear surface of the bottom plate (12), and the adhesive sticker or double-sided adhesive is arranged on the back surface of one end (10) of the color strip paper (11); a sucking disc, adhesive sticker or double-sided adhesive tape is arranged on the rear surface of the thread positioning block (20) for fixing the color thread (21); the rear surface of the rear bottom plate (42) of the specific gravity adjusting sheet is provided with self-adhesive or double-sided adhesive; the front surface of the other end (13) of the color strip paper (11) is adhered to the upper rear surface of the bottom plate (12) through adhesive sticker (18); the upper rear part of the bottom plate (12) is provided with a concave surface (17), two sides of the concave surface (17) of the bottom plate (12) are respectively provided with a convex strip (15), the front part of the other end (13) of the color strip paper (11) is bonded with the concave surface (17) of the upper rear part of the bottom plate (12) through a non-setting adhesive (18), two sides of the other end (13) of the color strip paper are tightly attached to the convex strips (15) on two sides, the lower part of the other end (13) of the color strip paper is close to a step (19) formed by the lower part of the concave surface (17) of the bottom plate (12) and the middle part of the bottom plate (12), and the middle part of the color strip paper (11) is hidden in the concave surface (17) through bending; when a plurality of color strip papers (11) are used, the colors of the front surfaces of the color strip papers (11) and the front surface of the bottom plate (12) are respectively the same, the front surfaces of the color strip papers (11) and the bottom plate (12) are the same or different, and the front surfaces of the color strip papers (11) and the bottom plate (12) have color difference with the plate body (1).
2. The adjustable display chart board suitable for statistical work according to claim 1, wherein: a magnetic sheet (22) is arranged on the front surface of the wire positioning block (20), a magnet (24) is embedded in the middle of the rear surface of the wire positioning block (20), and the magnetic sheet (22) and the magnet (24) on the front surface of the wire positioning block (20) are used for acquiring that the other wire positioning block (20) is adsorbed on the front surface of the wire positioning block (20) when two curves are overlapped; the upper part of the on-line positioning block (20) is provided with a through hole (23) which runs through the two sides, and the through hole (23) is used for penetrating the color line (21).
3. The adjustable display chart board suitable for statistical work according to claim 2, wherein: the anterior face of online locating piece (20) is equipped with the plain noodles, and the rear portion face of online locating piece (20) is equipped with ring channel (28), and protruding ring (25) of sucking disc front portion face are fixed in ring channel (28) of line locating piece (20), protruding ring (25) set up the anterior face at sucking disc board (27), are equipped with sucking disc limit (26) of loudspeaker form at the outer fringe rear portion of sucking disc board (27), the sucking disc material is vulcanized rubber, silica gel, TPE or soft PVC's arbitrary one kind, various line (21) material is the arbitrary one of colored rubber band or colored spring line.
4. The adjustable display chart board suitable for statistical work according to claim 1, wherein: the specific gravity piece comprises a pressing piece (31), a specific gravity piece A (29), a specific gravity piece B (30), a specific gravity piece D (33), a specific gravity piece C (32), a sleeve (41) and a bottom plate (42), the middle part of the bottom plate (42) is fixedly connected with the rear end of the sleeve (41), the specific gravity piece A (29), the specific gravity piece B (30) and the specific gravity piece D (33) are of the same structure with different colors, wherein the middle part of the specific gravity piece A (29) is provided with a middle hard ring (37), the middle part of the specific gravity piece A (29) is provided with a round opening (36) with the diameter larger than that of the middle hard ring (37), a gap (39) is arranged between the circular opening (36) and the outer edge diameter of the specific gravity piece A (29), a connecting strip (38) is arranged between the round opening (36) at one side of the gap (39) of the specific gravity piece A (29) and the middle hard ring (37), the middle hard rings (37) of the specific gravity piece A (29), the specific gravity piece B (30) and the specific gravity piece D (33) are sequentially sleeved on the sleeve (41); the middle part of the specific gravity piece C (32) is provided with a hard ring, the outer edge of the hard ring in the middle part of the specific gravity piece C (32) to the outer edge of the specific gravity piece C (32) is provided with a broken opening, the hard ring is sleeved on a sleeve (41), one end part of two end parts of the broken opening of the specific gravity piece C (32) is connected to a bottom plate (42) exposed at the positions of openings (39) of the specific gravity piece A (29), the specific gravity piece B (30) and the specific gravity piece D (33), and an inserting column (35) arranged in the middle part of the rear part of the pressing piece (31) is fixed in a pipe hole (40) of the sleeve (41).
5. The adjustable display chart board suitable for statistical work according to claim 4, wherein: the outer edges of one side of the gap (39) of the specific gravity piece A (29), the specific gravity piece B (30) and the specific gravity piece D (33) are respectively provided with a bulge (34).
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| CN201910241352.9A CN109785732B (en) | 2019-03-28 | 2019-03-28 | Adjustable display drawing board suitable for statistics work |
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| CN201910241352.9A CN109785732B (en) | 2019-03-28 | 2019-03-28 | Adjustable display drawing board suitable for statistics work |
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| CN109785732B true CN109785732B (en) | 2022-09-16 |
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| CN109035916A (en) * | 2018-08-27 | 2018-12-18 | 姜杰 | A kind of multi-functional classroom for economics simulation teching |
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