CN112466192B - Economics economic data curve change display device - Google Patents
Economics economic data curve change display device Download PDFInfo
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- CN112466192B CN112466192B CN202011486497.4A CN202011486497A CN112466192B CN 112466192 B CN112466192 B CN 112466192B CN 202011486497 A CN202011486497 A CN 202011486497A CN 112466192 B CN112466192 B CN 112466192B
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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 change 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:
the utility model provides an economics economic data curvilinear motion display device, includes first fixed plate, the inside of first fixed plate is equipped with first recess, the inside of first recess is equipped with the second fixed plate, the inside left end fixedly connected with numerical value contrast board of first recess, the inside of second fixed plate is equipped with the second recess, a plurality of spacing chambeies of the inside fixedly connected with of second recess, the top in spacing chamber is the opening setting, the inside sliding connection in spacing chamber has the piston, a plurality of electric telescopic handle of top fixedly connected with of second recess, the piston is kept away from the one end of spacing chamber bottom and corresponding electric telescopic handle's bottom fixed connection, there is first stopper through spout sliding connection on the lateral wall in spacing chamber, be equipped with the pointer on the first stopper, the top of first stopper and the bottom fixed connection of corresponding electric telescopic handle), fixedly connected with rack on the lateral wall in spacing chamber, the bottom of first stopper is equipped with the comparison mechanism, the bottom of second recess is equipped with aerifys the 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 apparatus for displaying the economic data curve variation of the present invention at A in FIG. 2;
FIG. 4 is an enlarged view of the apparatus for displaying the economic curve of the present invention at B in 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 limiting block of FIG. 3 of an economic data curve change display apparatus of the present invention;
fig. 7 is a schematic structural view of the elastic cord in fig. 3 showing the change of the economic data curve according to the present invention.
In the figure: the numerical value rolling 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 rolling 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, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to 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, pistons 15 are 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 that the position change of the mutation point of the economic numerical value curve is displayed, 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 mode through a sliding groove, the first limiting block 10 is provided with a pointer 24, the numerical value on a numerical value roll 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, and the elastic rope 16 is connected with a plurality of first moving blocks 17 in a sliding mode, one end fixedly connected with iron sheet that first movable block 17 is close to the second recess 4 inside wall, stretch cord 16 is fixed to cup joint on a plurality of threaded rods 13, sliding connection has a plurality of second movable blocks 18 on stretch cord 16, a plurality of second stopper 19 have been fixed to cup joint on stretch cord 16, the second stopper 19 of telling is located between two corresponding second movable blocks 18, second movable block 18 cup joints the intercommunicating pore on stretch cord 16 and is equipped with permanent magnet 23, permanent magnet 23 contacts with stretch cord 16, through changing the tradition and directly utilizing the chalk to draw the curved drawback of economics 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 has promoted 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 rotatably connected with the first limiting block 10, a rotating wheel 20 is fixedly sleeved on the rotating rod 22, two cylindrical gears 21 are fixedly sleeved on the rotating wheel 20, the two cylindrical gears 21 are meshed with a rack 14, a numerical value roll strip 25 is fixedly sleeved on the middle part of the rotating wheel 20 through a limiting groove, the numerical value roll strip 25 is made of soft plastic films and can be convoluted together, one end, far away from the rotating wheel 20, of the numerical value roll strip 25 is fixedly connected with the bottom of the rack 14, the numerical value roll strip 25 and a numerical value comparison plate 5 are respectively provided with corresponding scale marks, an observation hole 11 is formed in the first limiting block 10, the observation hole 11 is located right above the rotating wheel 20, the side face of the first limiting block 6 is provided with the rack 14, the cylindrical gears 21 are arranged on the first limiting block, the rack can drive the cylindrical gears 21 to rotate, the numerical value roll strip 25 can be driven to be unfolded, the numerical value roll strip 25 is unfolded, the numerical value unfolded corresponds to the position of the first limiting block 10 on the limiting cavity 6, the observation hole 11 on the first limiting block 10, the numerical value roll strip 25 can observe the numerical value data accurately, and the numerical value data, and the traditional data, and the problem that the traditional numerical value can not be observed accurately can be solved.
The bottom of second recess 4 is equipped with the mechanism of aerifing, the mechanism of aerifing includes the appearance chamber 7 with a plurality of spacing chamber 6 bottom fixed connection, the inside that holds chamber 7 is equipped with a plurality of gasbags 8, gasbags 8 are located corresponding spacing chamber 6 under, gasbags 8 are through link up with spacing chamber 6 through communicating pipe, the inside wall of second recess 4 is made for having magnetic plate, the inside of gasbag 8 is equipped with the gas of taking the colour, through set up a plurality of spacing chamber 6 on first fixed plate 1, and simultaneously, set up the gasbag 8 that is equipped with the gas of taking the colour in the bottom of spacing chamber 6, through the pressure difference that forms between spacing chamber 6 and gasbags 8, drive gas and move in spacing intracavity, thereby can clear show the relevant curved point of economic data in the economics, thereby can be vivid show the change of economic curve in the economics, through the gaseous volume in spacing chamber 6, can observe the change of numerical value between economic data curve endpoint, be convenient for the economics teaching in-process, the understanding of economic data curve, thereby promote the efficiency of economics teaching of the economics fastening rope 16, 23 can strengthen the magnetic force of the permanent magnet, thereby the elasticity rope of the elasticity of the second recess 2 of the elasticity regulation rope of the elasticity reinforcing rope.
The invention can be illustrated by the following operating modes:
according to the relevant numerical value of the economic data, the movement of the piston 15 and the first limit block 10 is controlled by controlling the electric telescopic rod 9, and the position of the mutation point of the economic data curve is made, 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 upward movement process of the piston 15, the colored gas in the gas bag 8 enters the inside of the limit cavity 6 under the action of the gas bag 8 in a negative pressure state, and in the downward movement process of the piston 15, the gas returns to the inside of the gas bag 8 under the action of pressure, so that the gas is convenient to be recycled, the sealing performance of the whole limit cavity 6 is good, the colored gas is always positioned under the piston 15 when entering the inside of the limit cavity 6, and at this time, the bottom of the piston 15 and the bottom end of the limit 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 as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (4)
1. An economic data curve change display device comprises a first fixing plate (1), it is characterized in that a first groove (2) is arranged 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 at the left end inside the first groove (2), a second groove (4) is arranged in the second fixing plate (3), a plurality of limiting cavities (6) are fixedly connected inside the second groove (4), the top of the limit cavity (6) is arranged in an opening way, the inside of the limit cavity (6) is connected with a piston (15) in a sliding way, the top end of the second groove (4) is fixedly connected with a plurality of electric telescopic rods (9), 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 a first limiting block (10) in a sliding way through a sliding groove, a pointer (24) is arranged on the first limiting block (10), 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 limit cavity (6) is fixedly connected with a rack (14), the bottom of the first limiting block (10) is provided with a comparison mechanism, and the bottom of the second groove (4) is provided with an inflation mechanism;
the comparison mechanism comprises a rotating rod (22) rotatably connected with a first limiting block (10), a rotating wheel (20) is fixedly sleeved on the rotating rod (22), two cylindrical gears (21) are fixedly sleeved on the rotating wheel (20), the two cylindrical gears (21) are meshed with a rack (14), and a numerical value coil strip (25) is fixedly sleeved in the middle part of the rotating wheel (20) through a limiting groove;
the inflation mechanism comprises a containing cavity (7) fixedly connected with the bottoms of the limiting cavities (6), a plurality of air bags (8) are arranged inside the containing cavity (7), the air bags (8) are located right below the corresponding limiting cavities (6), and the air bags (8) are communicated with the limiting cavities (6) through communicating pipes;
a threaded hole (12) is formed in the first limiting block (10), a threaded rod (13) is connected to the inner thread of the threaded hole (12), the corresponding threaded rods (13) are connected through elastic ropes (16), a plurality of first moving blocks (17) are connected to the elastic ropes (16) in a sliding mode, and an iron sheet is fixedly connected to one end, close to the inner side wall of the second groove (4), of each first moving block (17);
the elastic rope (16) is fixedly sleeved on the threaded rods (13), the elastic rope (16) is connected with a plurality of second movable blocks (18) in a sliding mode, the elastic rope (16) is fixedly sleeved with a plurality of second limited blocks (19), the second limited blocks (19) are located between the two corresponding second movable blocks (18), the second movable blocks (18) are sleeved in the communicating holes in the elastic rope (16) and are internally provided with permanent magnets (23), and the permanent magnets (23) are in contact with the elastic rope (16).
2. An economically attractive data curve representation device according to claim 1, 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.
3. The economic data curve change display device according to claim 1, characterized in that the number roll (25) is made of soft plastic film and can be convoluted together, one end of the number roll (25) far away from the rotating wheel (20) is fixedly connected with the bottom of the rack (14), and the number roll (25) and the number contrast plate (5) are respectively provided with corresponding scale marks.
4. The economic data curve change display device according to claim 1, 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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| 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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| CN112466192B true CN112466192B (en) | 2022-11-08 |
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