CN112466192A - Economics economic data curve changes display device - Google Patents
Economics economic data curve changes display device Download PDFInfo
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- CN112466192A CN112466192A CN202011486497.4A CN202011486497A CN112466192A CN 112466192 A CN112466192 A CN 112466192A CN 202011486497 A CN202011486497 A CN 202011486497A CN 112466192 A CN112466192 A CN 112466192A
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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Abstract
The invention discloses an economics economic data curve change display device, which comprises a first fixing plate, wherein a first groove is formed in the first fixing plate, a second fixing plate is arranged in the first groove, a numerical value comparison plate is fixedly connected to the left end of the interior of the first groove, a second groove is formed in the interior of the second fixing plate, a plurality of limiting cavities are fixedly connected to the interior of the second groove, the tops of the limiting cavities are arranged in an opening mode, pistons are connected to the interior of the limiting cavities in a sliding mode, and a plurality of electric telescopic rods are fixedly connected to the top ends of the second groove. According to the invention, the plurality of limiting cavities are arranged on the first fixing plate, the air bags with the colored air are arranged at the bottoms of the limiting cavities, and the air is driven to move in the limiting cavities through the pressure difference formed between the limiting cavities and the air bags, so that points of relevant curves of economic data in economics can be clearly represented, and the change of economic curves in economics can be vividly displayed.
Description
Technical Field
The invention relates to the technical field of economics, in particular to a device for displaying economic data curve changes of economics.
Background
The economics is the subject of studying various economic activities and various corresponding economic relations and the operation and development laws of the economic relations in various development stages of the human society, and the core ideas of the economics are the scarcity of materials and the effective utilization of resources, which can be divided into two main branches,micro economicsAndmacro economics。
At present, in the process of economics teaching, a graph of curve change of related economics data is simply drawn on a blackboard by using chalks, numerical values represented by curves on the blackboard cannot be clearly observed, and a simple curve schematic diagram cannot visually reflect changes of the economics data, and is not beneficial to the economics teaching process.
Disclosure of Invention
The invention aims to solve the defect that the change of economic data cannot be reflected vividly by a simple curve schematic diagram in the prior art, and provides an economic data curve change display device.
In order to achieve the purpose, the invention adopts the following technical scheme:
an economics economic data curve change display device comprises a first fixing plate, wherein a first groove is formed in the first fixing plate, a second fixing plate is arranged in the first groove, a numerical value comparison plate is fixedly connected to the left end of the inside of the first groove, a second groove is formed in the second fixing plate, a plurality of limiting cavities are fixedly connected to the inside of the second groove, the tops of the limiting cavities are arranged in an opening mode, pistons are slidably connected to the insides of the limiting cavities, a plurality of electric telescopic rods are fixedly connected to the top ends of the second groove, one ends, far away from the bottoms of the limiting cavities, of the pistons are fixedly connected with the bottoms of the corresponding electric telescopic rods, a first limiting block is slidably connected to the outer side wall of each limiting cavity through sliding grooves, pointers are arranged on the first limiting blocks, and the tops of the first limiting blocks are fixedly connected with the bottoms of the corresponding electric telescopic rods), the outer side wall of the limiting cavity is fixedly connected with a rack, the bottom of the first limiting block is provided with a comparison mechanism, and the bottom of the second groove is provided with an inflation mechanism.
Preferably, compare the mechanism and include the dwang of being connected with first stopper rotation, fixed cover on the dwang has connect and has rotated the wheel, it has two cylindrical gear, two to rotate fixed cover on the wheel cylindrical gear and rack toothing, the middle part that rotates the wheel has connect the numerical value through the fixed cover of spacing groove and has rolled up the strip.
Preferably, the inflation mechanism comprises a containing cavity fixedly connected with the bottoms of the limiting cavities, a plurality of air bags are arranged inside the containing cavity and located right below the corresponding limiting cavities, and the air bags are communicated with the limiting cavities through communicating pipes.
Preferably, a threaded hole is formed in the first limiting block, a threaded rod is connected to the inner thread of the threaded hole, the corresponding threaded rod is connected through an elastic rope, a plurality of first moving blocks are connected to the elastic rope in a sliding mode, and an iron sheet is fixedly connected to one end, close to the inner side wall of the second groove, of each first moving block.
Preferably, the inner side wall of the second groove is made of a magnetic plate, and the air bag is filled with colored gas.
Preferably, the numerical value roll strip is made of a soft plastic film and can be convoluted together, one end of the numerical value roll strip, which is far away from the rotating wheel, is fixedly connected with the bottom of the rack, and the numerical value roll strip and the numerical value contrast plate are respectively provided with corresponding scale marks.
Preferably, the elastic rope is fixedly sleeved on the threaded rods, the elastic rope is connected with the second moving blocks in a sliding mode, the second limiting blocks are fixedly sleeved on the elastic rope and located between the two corresponding second moving blocks, the second moving blocks are sleeved in the communicating holes in the elastic rope in a sleeved mode, and the permanent magnets are in contact with the elastic rope.
Preferably, an observation hole is formed in the first limiting block and is located right above the rotating wheel.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the plurality of limiting cavities are arranged on the first fixing plate, meanwhile, the air bags with colored gas are arranged at the bottoms of the limiting cavities, and the gas is driven to move in the limiting cavities through the pressure difference formed between the limiting cavities and the air bags, so that points of relevant curves of economic data in economics can be clearly represented, the change of the economic curves in economics can be visually displayed, the change of numerical values between curve end points of the economic data in economics can be observed through the volume of the gas in the limiting cavities, and students can conveniently understand the economic data curves in the economic teaching process, so that the economic teaching efficiency is improved, the magnetism of the elastic rope can be enhanced through the permanent magnet, the adjustment of the elastic rope on the inner side wall of the second groove is facilitated, and the tightness of the elastic rope and the second groove is enhanced.
2. Through changing the tradition and directly utilizing the chalk to draw the drawback of economics curve on the blackboard, can reach energy saving and emission reduction's effect, avoid the pollution of dust to the air, the effectual environmental protection effect that promotes the teaching in-process is used for expressing the gaseous with colour of curve data, can used repeatedly, avoids the waste of resource, simultaneously, through the numerical value of the gaseous image's that has the colour show economic data, the change of observation curve height that can be more clear.
3. Set up the rack through the side in every spacing chamber, set up cylindrical gear on first stopper, change that can first stopper position, the rack drives cylindrical gear and rotates to can drive numerical value book strip and expand, numerical value that numerical value book strip expanded is corresponding with the position of first stopper on spacing chamber, through the observation hole on the first stopper, can observe the relevant numerical value of economic data curve on the numerical value book strip, the drawback that traditional economics curve numerical value can't be observed accurately has been solved.
4. Set up numerical value contrast board at the side of first fixed plate, can further restrict curve numerical value to can promote the accurate nature of regulation when adjusting curve position.
Drawings
FIG. 1 is a perspective view of an economic data curve variation display device according to the present invention;
FIG. 2 is a schematic structural diagram of an economic data curve variation display device according to the present invention;
FIG. 3 is an enlarged view of the economical data curve variation display device of FIG. 2;
FIG. 4 is an enlarged view of the economical data curve variation display device of FIG. 2;
FIG. 5 is a left side view of the limiting chamber of FIG. 2 illustrating an economic data curve variation of the present invention;
FIG. 6 is a bottom view of the first stopper of FIG. 3 of the economic data curve change display device of the present invention;
fig. 7 is a schematic structural view of the elastic cord in fig. 3 showing an economic data curve change device according to the present invention.
In the figure: the device comprises a first fixing plate 1, a first groove 2, a second fixing plate 3, a second groove 4, a numerical value comparison plate 5, a limiting cavity 6, a containing cavity 7, an air bag 8, an electric telescopic rod 9, a first limiting block 10, an observation hole 11, a threaded hole 12, a threaded rod 13, a rack 14, a piston 15, an elastic rope 16, a first moving block 17, a second moving block 18, a second limiting block 19, a rotating wheel 20, a cylindrical gear 21, a rotating rod 22, a permanent magnet 23, a pointer 24 and a numerical value coiling strip 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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.
Referring to fig. 1-7, an economic data curve change display device comprises a first fixing plate 1, wherein the first fixing plate 1 can enhance the stability of the whole device, a first groove 2 is arranged inside the first fixing plate 1, a second fixing plate 3 is arranged inside the first groove 2, a value comparison plate 5 is fixedly connected to the left end inside the first groove 2, the value comparison plate 5 is arranged on the side surface of the first fixing plate 1 and can further limit the curve value, so that the adjustment accuracy can be improved when the curve position is adjusted, the economic value curve can be conveniently displayed, a second groove 4 is arranged inside the second fixing plate 3, a plurality of limiting cavities 6 are fixedly connected inside the second groove 4, the tops of the limiting cavities 6 are arranged in an opening manner, a piston 15 is slidably connected inside the limiting cavities 6, and a plurality of electric telescopic rods 9 are fixedly connected to the top ends of the second groove 4, the electric telescopic rod 9 controls the movement of the piston 15 and the first limiting block 10, so as to show the change of the position of the mutation point of the economic value curve, one end of the piston 15 far away from the bottom of the limiting cavity 6 is fixedly connected with the bottom of the corresponding electric telescopic rod 9, the outer side wall of the limiting cavity 6 is connected with the first limiting block 10 in a sliding way through a sliding groove, the first limiting block 10 is provided with a pointer 24, the value on the value strip 25 can be further and accurately displayed through the arrangement of the pointer 24, the top of the first limiting block 10 is fixedly connected with the bottom of the corresponding electric telescopic rod 9, the outer side wall of the limiting cavity 6 is fixedly connected with a rack 14, the first limiting block 10 is provided with a threaded hole 12, the inner thread of the threaded hole 12 is connected with a threaded rod 13, the corresponding threaded rod 13 is connected through an elastic rope 16, the elastic rope 16 is connected with a plurality of first moving blocks 17 in, elastic cord 16 is fixed to be cup jointed on a plurality of threaded rods 13, sliding connection has a plurality of second movable blocks 18 on elastic cord 16, elastic cord 16 is last to be fixed to be cup jointed a plurality of second stopper 19, the second stopper 19 of telling is located between two corresponding second movable blocks 18, second movable block 18 cup joints and is equipped with permanent magnet 23 in the intercommunicating pore on elastic cord 16, permanent magnet 23 and elastic cord 16 contact, draw the curved drawback of economics through changing the tradition and directly utilizing the chalk on the blackboard, can reach energy saving and emission reduction's effect, avoid the pollution of dust to the air, the effectual environmental protection effect that promotes teaching in-process, the colored gas that is used for expressing curve data, can used repeatedly, avoid the waste of resource.
The bottom of the first limiting block 10 is provided with a comparison mechanism, the comparison mechanism comprises a rotating rod 22 which is rotatably connected with the first limiting block 10, the rotating rod 22 is fixedly sleeved with a rotating wheel 20, the rotating wheel 20 is fixedly sleeved with two cylindrical gears 21, the two cylindrical gears 21 are meshed with a rack 14, the middle part of the rotating wheel 20 is fixedly sleeved with a numerical roll strip 25 through a limiting groove, the numerical roll strip 25 is made of soft plastic films and can be convoluted together, one end of the numerical roll strip 25, far away from the rotating wheel 20, is fixedly connected with the bottom of the rack 14, the numerical roll strip 25 and a numerical comparison plate 5 are respectively provided with corresponding scale marks, the first limiting block 10 is provided with an observation hole 11, the observation hole 11 is positioned right above the rotating wheel 20, each limiting block is provided with the rack 14 on the side surface of the gear 6, the cylindrical gears 21 are arranged on the first limiting block, and the position of the first limiting, the rack drives cylindrical gear 21 and rotates to can drive numerical value book strip 25 and expand, numerical value that numerical value book strip 25 expanded is corresponding with first stopper 10 position on spacing chamber 6, through observation hole 11 on first stopper 10, can observe the relevant numerical value of economic data curve on the numerical value book strip 25, solve the drawback that traditional economics curve numerical value can't be observed accurately.
The bottom of the second groove 4 is provided with an inflating mechanism, the inflating mechanism comprises an accommodating cavity 7 fixedly connected with the bottoms of a plurality of limiting cavities 6, a plurality of air bags 8 are arranged inside the accommodating cavity 7, the air bags 8 are positioned right below the corresponding limiting cavities 6, the air bags 8 are communicated with the limiting cavities 6 through communicating pipes, the inner side wall of the second groove 4 is made of a magnetic plate, colored gas is filled inside the air bags 8, the plurality of limiting cavities 6 are arranged on the first fixing plate 1, meanwhile, the air bags 8 filled with the colored gas are arranged at the bottoms of the limiting cavities 6, the gas is driven to move in the limiting cavities through the pressure difference formed between the limiting cavities 6 and the air bags 8, so that points of relevant curves of economic data in the economics can be clearly represented, the change of the economic curves in the economics can be visually displayed, and the volume of the gas in the limiting cavities 6 is used, can observe the change of numerical value between the economics economic data curve endpoint, the economics teaching in-process of being convenient for, the student to the curved understanding of economics to promote the efficiency of economics teaching, permanent magnet 23 can strengthen stretch cord 16's magnetism, thereby the stretch cord of being convenient for adjusts on the inside wall of second recess 2, strengthens the fastening nature of stretch cord 16 and second recess 2.
The invention can be illustrated by the following operating modes:
according to the relevant numerical value of the economic data, the position of the catastrophe point of the economic data curve is made by controlling the electric telescopic rod 9, the piston 15 and the first limit block 10 to move, it should be noted that the corresponding piston 15 and the electric telescopic rod 9 of the first limit block 10 are controlled to synchronously extend and retract, so that the first limit block 10 and the piston 15 can be controlled to synchronously slide, in the process that the piston 15 moves upwards, the colored gas filled in the air bag 8 enters the limiting cavity 6 under the action of the air bag 8 in a negative pressure state, when the piston 15 moves downwards, the gas returns to the inside of the air bag 8 under the action of pressure, so that the gas is convenient to recycle, the sealing performance of the whole limiting cavity 6 is good, the colored gas is always positioned below the piston 15 when entering the inside of the limiting cavity 6, and at the moment, the bottom of the piston 15 and the bottom end of the limiting cavity 6 are filled with the colored gas.
In the moving process of the first limiting block 10, the rack 14 is meshed with the cylindrical gear 21, the cylindrical gear 21 starts to rotate, the numerical value coiling strip 25 fixedly sleeved on the rotating wheel 20 is unfolded along with the rotation of the cylindrical gear 21, the numerical value on the numerical value coiling strip 25 observed by the observation hole 11 on the first limiting block 10 corresponds to the position of the first limiting block 10, the numerical value on the numerical value coiling strip 25 is the same as the numerical value on the corresponding position on the numerical value comparison plate 5, then, the tightness degree of the elastic rope 16 between the two corresponding first limiting blocks 10 can be adjusted through the rotating threaded rod 13, the position of the elastic rope 16 between the two first limiting blocks 10 is adjusted through the first moving block 17 on the elastic rope 16, the first moving plate 17 is adhered to the plate with the magnetic second groove 4, and the position of the relevant curve point of the economic numerical value curve can be adjusted.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The economic data curve change display device comprises a first fixing plate (1) and is characterized in that a first groove (2) is formed in the first fixing plate (1), a second fixing plate (3) is arranged in the first groove (2), a numerical value comparison plate (5) is fixedly connected to the left end of the interior of the first groove (2), a second groove (4) is formed in the second fixing plate (3), a plurality of limiting cavities (6) are fixedly connected to the interior of the second groove (4), the tops of the limiting cavities (6) are arranged in an opening mode, a piston (15) is slidably connected to the interior of each limiting cavity (6), a plurality of electric telescopic rods (9) are fixedly connected to the top end of each second groove (4), one end, far away from the bottom of each limiting cavity (6), of the piston (15) is fixedly connected with the bottom of the corresponding electric telescopic rod (9), there are first stopper (10) through spout sliding connection on the lateral wall of spacing chamber (6), be equipped with pointer (24) on first stopper (10), the top of first stopper (10) and the bottom fixed connection of corresponding electric telescopic handle (9), fixedly connected with rack (14) on the lateral wall of spacing chamber (6), the bottom of first stopper (10) is equipped with the mechanism of comparing, the bottom of second recess (4) is equipped with inflates the mechanism.
2. The economics and economics data curve change display device of claim 1, wherein the comparison mechanism comprises a rotation rod (22) rotatably connected with the first limiting block (10), the rotation rod (22) is fixedly sleeved with a rotation wheel (20), the rotation wheel (20) is fixedly sleeved with two cylindrical gears (21), the two cylindrical gears (21) are meshed with the rack (14), and the middle part of the rotation wheel (20) is fixedly sleeved with a numerical value roll strip (25) through a limiting groove.
3. The economics and economics data curve change display device of claim 1 wherein, the inflation mechanism comprises a holding chamber (7) fixedly connected with the bottom of multiple spacing chamber (6), multiple air bags (8) are arranged inside the holding chamber (7), the air bags (8) are located under the corresponding spacing chamber (6), and the air bags (8) are connected with the spacing chamber (6) through communicating pipes.
4. The economics and economics data curve change display device of claim 1, wherein the first limiting block (10) is provided with a threaded hole (12), the internal thread of the threaded hole (12) is connected with a threaded rod (13), the corresponding threaded rod (13) is connected through a stretch cord (16), the stretch cord (16) is connected with a plurality of first moving blocks (17) in a sliding manner, and one end of the first moving block (17) close to the inner side wall of the second groove (4) is fixedly connected with an iron sheet.
5. An economically attractive data curve representation device according to claim 3, characterized in that the inner side walls of said second recess (4) are made of magnetic plates and the interior of said air bag (8) is filled with colored gas.
6. The economic data curve change display device according to claim 2, characterized in that the numerical value roll strip (25) is made of soft plastic film and can be convoluted together, one end of the numerical value roll strip (25) far away from the rotating wheel (20) is fixedly connected with the bottom of the rack (14), and the numerical value roll strip (25) and the numerical value comparison plate (5) are respectively provided with corresponding scale marks.
7. The economics and economics data curve change display device of claim 4, wherein the elastic rope (16) is fixedly sleeved on the plurality of threaded rods (13), the elastic rope (16) is connected with the plurality of second moving blocks (18) in a sliding manner, the elastic rope (16) is fixedly sleeved with the plurality of second limiting blocks (19), the second limiting blocks (19) are located between two corresponding second moving blocks (18), the second moving blocks (18) are sleeved in the communicating holes on the elastic rope (16) and are provided with permanent magnets (23), and the permanent magnets (23) are in contact with the elastic rope (16).
8. The economic data curve change display device according to claim 2, characterized in that the first limiting block (10) is provided with a viewing hole (11), and the viewing hole (11) is positioned right above the rotating wheel (20).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011486497.4A CN112466192B (en) | 2020-12-16 | 2020-12-16 | Economics economic data curve change display device |
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| CN202011486497.4A CN112466192B (en) | 2020-12-16 | 2020-12-16 | Economics economic data curve change display device |
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| CN112466192A true CN112466192A (en) | 2021-03-09 |
| CN112466192B CN112466192B (en) | 2022-11-08 |
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| CN113327491A (en) * | 2021-06-25 | 2021-08-31 | 哈尔滨学院 | Mathematical teaching simulation model |
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