CN112396927A - Economics is with having economic change curve display device who rotates show structure - Google Patents
Economics is with having economic change curve display device who rotates show structure Download PDFInfo
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- CN112396927A CN112396927A CN202011318959.1A CN202011318959A CN112396927A CN 112396927 A CN112396927 A CN 112396927A CN 202011318959 A CN202011318959 A CN 202011318959A CN 112396927 A CN112396927 A CN 112396927A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
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- G09B19/18—Book-keeping or economics
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
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Abstract
The invention relates to the technical field of teaching tools, in particular to an economic change curve display device with a rotary display structure for economics, which comprises a base, a first motor, a second motor and a third motor, wherein the top end of the base is fixedly connected with a support frame, a first rotary shaft is inserted into one side of the support frame, the first rotary shaft penetrates through the fixing surface at one end in the support frame, a worm wheel is sleeved on the fixing surface, and the surface of the worm wheel is meshed with the first motor. According to the invention, the first transmission wheel is arranged, so that the first display board and the second display board can be rotationally adjusted, the viewing effect of students can be improved by adjusting the angle of the first display board and the second display board, the contents on the front end surface and the rear end surface of the first display board and the second display board can be simultaneously displayed by turning the first display board and the second display board, the utilization rate of the first display board and the second display board can be improved, and the teaching progress is improved.
Description
Technical Field
The invention relates to the technical field of teaching tools, in particular to an economic change curve display device with a rotary display structure for economics.
Background
With the development of social economy, economic major is an indispensable discipline in all colleges and universities, and at present, in colleges and universities or other education institutions, economic and financial education is more and more popular, and corresponding education tools are also in urgent need of updating.
Lack dedicated display device among the education and publicity of current economics, the timely accurate knowledge in the aspect of understanding the economics of the student of being not convenient for, and most of the economics adopt the fixed mode of placing with display device, can't carry out rotation regulation and altitude mixture control to the show board, the in-process that uses in teaching influences student's the effect of watching and watches the impression, thereby influence the teaching quality, and the show board can not rotate the show to the teaching content, the utilization ratio of show board area has been reduced, thereby can't satisfy the more teaching content of listing, influence teaching efficiency, adopt the mode of manual regulation show board angle simultaneously, waste time and energy, the suitability in the in-service use process has been reduced.
Present display device for economics mostly is through a show board show, the application range that leads to the show board receives the restriction, when carrying out economics change curve teaching, adopts a show board to be difficult to contrast data simultaneously to influence some students to the understanding of economics change curve, the better study of the student of being not convenient for, for this reason we have provided an economics with the economics change curve display device who has the rotation show structure and solve above-mentioned problem.
Disclosure of Invention
The invention aims to provide an economic change curve display device with a rotary display structure for economics, and aims to solve the problems that a special display device is lacked in the conventional economic education and publicity provided in the background art, students cannot conveniently and accurately know knowledge in the economic aspect in time, most of the economic display devices cannot be rotatably adjusted and height-adjusted in a fixed placement mode, the watching effect and the watching feeling of the students are influenced in the teaching use process, so that the teaching quality is influenced, the display board cannot be used for rotatably displaying teaching contents, the utilization rate of the area of the display board is reduced, so that more listed teaching contents cannot be met, the teaching efficiency is influenced, and meanwhile, the mode of manually adjusting the angle of the display board is time-consuming and labor-consuming, and the applicability in the actual use process is reduced.
Present display device for economics mostly is through a show board show that imparts knowledge to students, leads to the application range of show board to receive the restriction, when carrying out the teaching of economics change curve simultaneously, adopts a show board to be difficult to contrast data to influence some students to the understanding of economics change curve, the better problem of study of the student of being not convenient for.
In order to achieve the purpose, the invention provides the following technical scheme: an economic change curve display device with a rotary display structure for economics comprises a base, a first motor, a second motor and a third motor, wherein a support frame is fixedly connected to the top end of the base, a first rotary shaft is inserted into one side of the support frame, a worm wheel is sleeved on one end fixing surface of the first rotary shaft penetrating through the inside of the support frame, the first motor is meshed with the surface of the worm wheel, an output shaft of a worm is fixedly connected to the surface of the first motor, the worm is fixedly mounted on the surface of the support frame, a driving gear is sleeved on one end surface of the first rotary shaft, which is far away from the worm wheel, a driven gear is meshed with the surface of the driving gear, a screw rod is inserted into the inside of the driven gear, a circular block is sleeved on one end surface of the screw rod, which is far away from the driven gear, a first driving wheel is sleeved on the surface of the, the top end surface of the fixed frame is abutted against the surface of the movable sleeve, the top end of the movable sleeve is fixedly connected with a first fixed frame, the inner wall of the first fixed frame is fixedly connected with a first display board, the top end of the first display board is fixedly connected with a second fixed frame, the bottom end inner wall of the second fixed frame is fixedly connected with a slide rail, a fixed rod is inserted in the slide rail, the bottom end of the fixed rod is sleeved with a rotating block, the top end of the fixed rod is sleeved with a rack, one end surface of the rack, far away from the fixed rod, is meshed with a gear wheel, a second rotating shaft is inserted in the gear wheel, one end of the second rotating shaft, far away from the gear wheel, is sleeved with a fixed hoop, the fixed hoop is fixedly installed on the bottom end inner wall of the second fixed frame, one end surface of the second rotating shaft, penetrating through the inside of the fixed hoop, is sleeved with a first, and the second bevel gear keeps away from the output shaft of the one end fixed surface of first bevel gear is connected with the third motor, third motor fixed mounting is at the bottom inner wall of the fixed frame of second, a side fixed surface of first fixed frame installs the receiver, and the top fixedly connected with fixed block of receiver to there is the arc apron inside through articulated shaft hinge joint of fixed block, the one end fixed surface of keeping away from the fixed block of arc apron is connected with the stabilizer bar, and the stabilizer bar is kept away from the inside third axis of rotation of inserting of one end of arc apron, the inner wall fixedly connected with of receiver stabilizes the axle, and stabilizes the axle and keeps away from the one end surface cover of receiver inner wall and be equipped with irregular.
Preferably, the surface of the first driving wheel is sleeved with a driving belt, the first driving wheel is rotatably connected with the circular block, the inner wall of one end, far away from the first driving wheel, of the driving belt is abutted to the surface of the second driving wheel, the bottom end of the second driving wheel is fixedly connected with an output shaft of a second motor, and the second motor is fixedly installed on the surface of the supporting frame.
Preferably, the inner wall of the movable sleeve is provided with a thread groove, and the thread groove arranged on the inner wall of the movable sleeve is matched with the external thread arranged on the surface of the screw rod.
Preferably, the top fixed surface of first drive wheel is connected with the loop bar, and the loop bar is provided with two sets ofly to the inner wall of loop bar sets up to triangle-shaped, the inside of loop bar is inserted and is equipped with the inserted bar, and the inserted bar sets up to triangle-shaped, and the surface and the loop bar inner wall of inserted bar are inconsistent, the first fixed frame of top fixedly connected with of inserted bar.
Preferably, the inner wall of the bottom end of the first fixing frame is provided with a sliding groove, a pulley is inserted into the sliding groove, the top end of the pulley is fixedly connected with a second display board, and the sliding groove formed in the inner wall of the bottom end of the first fixing frame is rotatably connected with the pulley.
Preferably, the front end surface and the rear end surface of the fixed rod are inserted with fixed shafts, the end surface of each fixed shaft, which is far away from the fixed rod, is sleeved with a roller, the fixed shafts fixedly connected with the front end surface and the rear end surface of the fixed rod are rotatably connected with the rollers, and the bottom end surfaces of the rollers are abutted against the inner wall of the bottom end of the sliding rail.
Preferably, the one end fixed surface of rack is connected with the connecting block, and the inside of connecting block is inserted and is equipped with the dead lever to the dead lever constitutes to rotate with the connecting block and is connected, the slide rail is provided with two sets ofly, and slide rail bottom inner wall has seted up the transverse groove, the transverse groove has been seted up to the fixed frame bottom inner wall of second, the L shaped plate runs through in the inside one end fixed connection of transverse groove that the fixed frame of second and slide rail bottom inner wall were seted up on the top surface of second show board, the transverse groove that the fixed frame of second and slide rail bottom inner wall were seted up constitutes sliding connection with.
Preferably, both ends internally mounted has the light around the fixed frame of second, and the light runs through in the fixed frame bottom inner wall of second, the fixed frame of second sets up to five groups, and passes through electric connection between the fixed frame of every group second to the one end that the light was kept away from to the electric wire is external to have rechargeable battery and shift knob.
Preferably, the stabilizer bar and the third rotating shaft form a rotating connection, the stabilizer bar and the irregular moving block form a rotating connection, the irregular moving block is fixedly connected with a moving rod on the surface of the end far away from the stabilizer bar, the surface of the storage box is provided with an arc-shaped slotted hole, and the end far away from the surface of the irregular moving block of the moving rod penetrates through the arc-shaped slotted hole formed in the surface of the storage box.
Compared with the prior art, the invention has the beneficial effects that:
(1) (ii) a According to the invention, the first transmission wheel is arranged, the second motor drives the second transmission wheel to rotate by starting the second motor, so that the second transmission wheel drives the transmission belt to rotate, the first transmission wheel is driven to rotate together by the transmission belt, the first fixing frame can be driven to rotate, the first display board and the second display board can be rotatably adjusted, the viewing effect of students can be improved by adjusting the angles of the first display board and the second display board, the contents on the front end surface and the rear end surface of the first display board and the contents on the rear end surface of the second display board can be simultaneously displayed by turning the first display board and the second display board, the utilization rate of the first display board and the second display board can be improved, and the teaching progress can be improved.
(2) (ii) a According to the invention, the screw rod is arranged, the first motor is started to drive the first rotating shaft to rotate, the driving gear sleeved on the surface of the first rotating shaft is driven to rotate together, the screw rod is driven to rotate fixedly through the rotation of the driving gear, so that the movable sleeve can move up and down on the surface of the screw rod, the screw rod drives the first fixing frame to move up and down, the first display board and the second display board are subjected to height adjustment according to the placing environment of the first display board and the second display board and the watching conditions of students, the watching experience of the students can be improved, and the students can learn the contents on the display board main body better.
(3) (ii) a According to the invention, the rack is arranged, the third motor is started to drive the second conical gear to rotate, so that the first conical gear rotates together, the second rotating shaft is driven to rotate through the rotation of the first conical gear, the gear wheel drives the rack to move left and right, the fixed rod is driven to move left and right in the slide rail through the movement of the rack, and when the fixed rod drives the rotating block to move to the arc-shaped end on the left side of the slide rail, the rotating block can drive the second display board to move to be kept on the same horizontal plane with the first display board, so that the use range of the display board main body is enlarged, and meanwhile, comparison teaching and display of the economic change curve on the display board main body are facilitated, so that students can better understand and learn the content of the economic change curve.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic sectional elevation view of the structure of the present invention;
FIG. 2 is a schematic front view of the structure of the present invention;
FIG. 3 is a schematic view of the structure of the movable sleeve of the present invention;
FIG. 4 is a schematic top sectional view of a second fixed frame structure according to the present invention;
FIG. 5 is a schematic sectional view of an illuminating lamp according to the present invention;
FIG. 6 is an enlarged front sectional view of the storage case structure of the present invention;
FIG. 7 is an enlarged front view of the storage case structure of the present invention;
FIG. 8 is a schematic top cross-sectional view of a first drive wheel structure according to the present invention;
fig. 9 is an enlarged view of the structure at a in fig. 1 according to the present invention.
In the figure: 1. a base; 2. a support frame; 3. a first rotating shaft; 4. a worm gear; 5. a first motor; 6. a worm; 7. a drive gear; 8. a driven gear; 9. a screw; 10. a circular block; 11. a first drive pulley; 12. a drive belt; 13. a second transmission wheel; 14. a second motor; 15. a fixed mount; 16. moving the sleeve; 17. a loop bar; 18. inserting a rod; 19. a first fixed frame; 20. a first display board; 21. a second display board; 22. a pulley; 23. an L-shaped plate; 24. a second fixed frame; 25. a slide rail; 26. rotating the block; 27. fixing the rod; 28. a roller; 29. a rack; 30. a fixing hoop; 31. a second rotating shaft; 32. a first bevel gear; 33. a second bevel gear; 34. a third motor; 35. a tooth cone; 36. connecting blocks; 37. an illuminating lamp; 38. a fixed block; 39. an arc-shaped cover plate; 40. a stabilizer bar; 41. a third rotating shaft; 42. a stabilizing shaft; 43. a storage box; 44. an irregular moving block; 45. the rod is moved.
The specific implementation mode is as follows:
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, an embodiment of the present invention is shown: an economic change curve display device with a rotary display structure for economics comprises a base 1, a first motor 5, a second motor 14 and a third motor 34, wherein a support frame 2 is fixedly connected to the top end of the base 1, a first rotary shaft 3 is inserted into one side of the support frame 2, a worm wheel 4 is sleeved on one end fixing surface of the first rotary shaft 3 penetrating through the support frame 2, the first motor 5 is meshed with the surface of the worm wheel 4, an output shaft of a worm 6 is fixedly connected to the surface of the first motor 5, the worm 6 is fixedly installed on the surface of the support frame 2, a driving gear 7 is sleeved on one end surface of the first rotary shaft 3 far away from the worm wheel 4, a driven gear 8 is meshed with the surface of the driving gear 7, a screw rod 9 is inserted into the driven gear 8, a circular block 10 is sleeved on one end surface of the screw rod 9 far away from the driven gear 8, and a first driving wheel 11 is sleeved on the surface of the, the surface cover of first drive wheel 11 is equipped with driving belt 12, first drive wheel 11 constitutes to rotate with circular block 10 and is connected, the one end inner wall that driving belt 12 kept away from first drive wheel 11 is inconsistent with the surface of second drive wheel 13, and the bottom fixedly connected with second motor 14's of second drive wheel 13 output shaft, second motor 14 fixed mounting is on the surface of support frame 2, through starting second motor 14, make second motor 14 drive second drive wheel 13 and rotate, pass through driving belt 12 swing joint according to first drive wheel 11 and second drive wheel 13, can make second drive wheel 13 drive first drive wheel 11 and rotate, rotate through first drive wheel 11, drive loop bar 17 rotates, thereby can realize the rotation upset of first fixed frame 19 and remove, make things convenient for second show board 21 and first show board 20 to carry out angle modulation.
The top end of the circular block 10 is fixedly connected with a fixed frame 15, the top end surface of the fixed frame 15 is abutted with the surface of the movable sleeve 16, and a first fixing frame 19 is fixedly connected to the top end of the movable sleeve 16, the inner wall of the movable sleeve 16 is provided with a screw groove, and the thread groove arranged on the inner wall of the movable sleeve 16 is matched with the external thread arranged on the surface of the screw rod 9, the first motor 5 is started through the matching rotation of the external thread arranged on the surface of the screw rod 9 and the thread groove arranged on the inner wall of the movable sleeve 16, so that the first motor 5 drives the first rotating shaft 3 to rotate, thereby rotating the driving gear 7, rotating the driven gear 8 engaged with the driving gear 7 together, facilitating the fixed rotation of the screw 9, facilitating the up-and-down movement of the movable sleeve 16 on the surface of the screw 9, in the process of moving the movable sleeve 16 up and down, the first fixing frame 19 is moved up and down, and finally the height adjustment of the second display board 21 and the first display board 20 is realized.
The top fixed surface of first drive wheel 11 is connected with loop bar 17, and loop bar 17 is provided with two sets ofly, and the inner wall of loop bar 17 sets up to triangle-shaped, the inside of loop bar 17 is inserted and is equipped with inserted bar 18, and inserted bar 18 sets up to triangle-shaped, and the surface of inserted bar 18 is inconsistent with loop bar 17 inner wall, the first fixed frame 19 of top fixedly connected with of inserted bar 18, in first drive wheel 11 drives first fixed frame 19 pivoted in-process, follow first drive wheel 11 through loop bar 17 and rotate together, can play the effect of supplementary fixed stay to the in-process that first fixed frame 19 removed, in-process that movable sleeve 16 drove first fixed frame 19 and reciprocate, make movable sleeve 16 do telescopic movement simultaneously inside loop bar 17, can play the spacing effect of support to first fixed frame 19.
The inner wall of the first fixing frame 19 is fixedly connected with a first display board 20, the top end of the first display board 20 is fixedly connected with a second fixing frame 24, the bottom end inner wall of the second fixing frame 24 is fixedly connected with a slide rail 25, a fixing rod 27 is inserted and drawn in the slide rail 25, the bottom end of the fixing rod 27 is sleeved with a rotating block 26, the top end of the fixing rod 27 is sleeved with a rack 29, the surface of one end, away from the fixing rod 27, of the rack 29 is meshed with a gear 35, a second rotating shaft 31 is inserted in the gear 35, one end, away from the gear 35, of the second rotating shaft 31 is sleeved with a fixing hoop 30, the fixing hoop 30 is fixedly installed on the bottom end inner wall of the second fixing frame 24, the surface, penetrating through the inside of the fixing hoop 30, of the second rotating shaft 31 is sleeved with a first bevel gear 32, the surface of the first bevel gear 32 is vertically meshed with a second bevel gear 33, and the surface, away from the first bevel gear 32, the third motor 34 is fixedly installed on the inner wall of the bottom end of the second fixing frame 24.
The surface of one end of the rack 29 is fixedly connected with a connecting block 36, the fixing rod 27 is inserted in the connecting block 36, the fixing rod 27 and the connecting block 36 are rotationally connected, two sets of slide rails 25 are arranged, the inner wall of the bottom end of each slide rail 25 is provided with a transverse groove, the inner wall of the bottom end of the second fixing frame 24 is provided with a transverse groove, the L-shaped plate 23 penetrates through the transverse grooves formed in the inner walls of the bottom ends of the second fixing frame 24 and the slide rails 25, one end of each L-shaped plate 23 is fixedly connected to the surface of the top end of the second display plate 21, the transverse grooves formed in the inner walls of the bottom ends of the second fixing frame 24 and the slide rails 25 are slidably connected with the L-shaped plate 23, the connecting block 36 is driven to move together by the movement of the rack 29, so that the connecting block 36 drives the fixing rod 27 to, the fixed rod 27 drives the roller 28 to rotate on the inner wall of the bottom end of the slide rail 25, so that the rotating block 26 can move left and right in the transverse groove formed on the inner wall of the bottom end of the slide rail 25, and the rotating block 26 can drive the second display board 21 to move left and right conveniently.
The fixed shaft is inserted on the front and back end surfaces of the fixed rod 27, the roller 28 is sleeved on one end surface of the fixed shaft far away from the fixed rod 27, the fixed shaft fixedly connected with the front and back end surfaces of the fixed rod 27 is rotatably connected with the roller 28, the bottom end surface of the roller 28 is abutted against the inner wall of the bottom end of the slide rail 25, the third motor 34 is started to drive the second conical gear 33 to rotate, so that the first conical gear 32 vertically meshed with the second conical gear 33 rotates together, the second rotating shaft 31 rotates through the rotation of the first conical gear 32, the gear 35 sleeved on the surface of the second rotating shaft 31 rotates simultaneously, the gear 35 rotates to drive the rack 29 meshed with the gear to move left and right, the fixed rod 27 is driven to move together by the rack 29, the fixed rod 27 drives the roller 28 to move on the inner wall of the bottom end of the slide rail 25, and the L-shaped plate 23 drives the, can realize that the shrink of second show board 21 removes, constitute through turning block 26 and dead lever 27 and rotate to be connected, can make L shaped plate 23 drive second show board 21 remove to with first show board 20 at same horizontal plane, be convenient for increase show board holistic usable floor area, the contrast economic change curve of being convenient for simultaneously makes things convenient for better understanding and study of student.
The spout has been seted up to the bottom inner wall of first fixed frame 19, and the inside pulley 22 that is equipped with of inserting of spout to pulley 22's top fixedly connected with second show board 21, the spout that first fixed frame 19 bottom inner wall was seted up constitutes to rotate with pulley 22 and is connected, at the in-process that second show board 21 removed, through the spout internal rotation that pulley 22 was seted up in first fixed frame 19 bottom, can play supplementary spacing effect at the in-process that second show board 21 removed.
Both ends internally mounted has the light 37 around the fixed frame 24 of second, and the light 37 runs through in the fixed frame 24 bottom inner wall of second, the fixed frame 24 of second sets up to five groups, and through electric connection between the fixed frame 24 of every group second, and the one end that the light 37 was kept away from to the electric wire is external to have rechargeable battery and shift knob, through pressing down the external button with light 37 electric connection, the convenience is under the environment that night or light are darker, make the teaching content in the board main part be seen in the more clear show of student.
A storage box 43 is fixedly arranged on one side surface of the first fixing frame 19, a fixing block 38 is fixedly connected to the top end of the storage box 43, an arc-shaped cover plate 39 is hinged inside the fixing block 38 through a hinge shaft, a stabilizer bar 40 is fixedly connected to the surface of one end, far away from the fixing block 38, of the arc-shaped cover plate 39, a third rotating shaft 41 is inserted inside one end, far away from the arc-shaped cover plate 39, of the stabilizer bar 40, a stabilizing shaft 42 is fixedly connected to the inner wall of the storage box 43, an irregular moving block 44 is sleeved on the surface of one end, far away from the inner wall of the storage box 43, of the stabilizing shaft 42, the stabilizer bar 40 and the third rotating shaft 41 are in rotating connection, the stabilizing shaft 42 and the irregular moving block 44 are in rotating connection, a moving rod 45 is fixedly connected to the surface of one end, far away from the surface, when arc apron 39 bottom downstream, make third axis of rotation 41 support and press the one end rebound of irregular movable block 44 to the bottom that makes irregular movable block 44 carries on spacingly with third axis of rotation 41, can laminate arc apron 39 and receiver 43's right side surface mutually, realizes that receiver 43 is the closure state, and the convenience is accomodate interim teaching aid inside receiver 43, and the convenience is protected teaching aid simultaneously.
The working principle is as follows: when the first display board 20 and the second display board 21 are needed to be used for teaching display, the second motor 14 is started, the second motor 14 drives the second driving wheel 13 to rotate, the second driving wheel 13 drives the driving belt 12 to rotate, the first driving wheel 11 is driven to rotate together through the driving belt 12, the first fixing frame 19 can be driven to rotate, the first display board 20 and the second display board 21 can be rotationally adjusted, the viewing effect of students can be improved through angle adjustment of the first display board 20 and the second display board 21, the first display board 20 and the second display board 21 can be overturned, the utilization rate of the first display board 20 and the second display board 21 can be improved, meanwhile, a lot of teaching contents can be displayed, and the teaching progress is improved.
When the first display board 20 and the second display board 21 rotate, the first motor 5 is started to drive the worm 6 to rotate, so that the worm 6 drives the worm wheel 4 to rotate together, the worm wheel 4 rotates to drive the first rotating shaft 3 to rotate, the driving gear 7 sleeved on the surface of the first rotating shaft 3 rotates together, the driving gear 7 rotates to drive the driven gear 8 vertically meshed with the driving gear 7 to rotate together, the driven gear 8 drives the screw rod 9 to fixedly rotate, so that the movable sleeve 16 can move up and down on the surface of the screw rod 9, the screw rod 9 drives the first fixing frame 19 to move up and down, the first fixing frame 19 moves up and down, the height adjustment of the first display board 20 and the second display board 21 can be realized, and according to the placing environment of the first display board 20 and the second display board 21 and the watching conditions of students, can carry out height control to first show board 20 and second show board 21, can improve student's the impression of watching, make things convenient for the better content in the study show board main part of student.
When the teaching of the comparative exhibition of the economic change curve is needed, the third motor 34 is started, the third motor 34 drives the second bevel gear 33 to rotate, the first bevel gear 32 rotates together, the second bevel gear 31 rotates through the rotation of the first bevel gear 32, the gear wheel 35 drives the rack 29 to move left and right, the fixed rod 27 is driven to move left and right inside the sliding rail 25 through the movement of the rack 29, the fixed rod 27 drives the rotating block 26 to move to the left arc-shaped end of the sliding rail 25, the rotating block 26 can drive the second exhibition plate 21 to move to the position which is kept on the same horizontal plane with the first exhibition plate 20, the application range of the exhibition plate main body is enlarged, and meanwhile, the teaching demonstration of the comparative exhibition of the economic change curve on the exhibition plate main body is facilitated.
The movable rod 45 penetrating through the inner wall of the storage box 43 is held in a hand and moved, the movable rod 45 drives one end of the irregular moving block 44 to move upwards, the arc-shaped cover plate 39 is pulled simultaneously, the bottom end of the arc-shaped cover plate 39 can move upwards, the inside of the right side of the storage box 43 is opened, teaching tools can be placed inside the storage box 43 conveniently, the teaching tools can be stored and protected conveniently, when the display board main body teaches in a dark environment, the lighting modes of the groups of lighting lamps 37 are started by pressing the external switch of the lighting lamps 37, the surfaces of the first display board 20 and the second display board 21 can be conveniently lighted, and therefore students can watch contents on the display boards better.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides an economics is with economic change curve display device who has rotation show structure, includes base (1), first motor (5), second motor (14) and third motor (34), its characterized in that: the top end of the base (1) is fixedly connected with a support frame (2), a first rotating shaft (3) is inserted into one side of the support frame (2), the first rotating shaft (3) penetrates through a fixed surface at one end inside the support frame (2) and is sleeved with a worm wheel (4), a first motor (5) is meshed with the surface of the worm wheel (4), an output shaft of a worm (6) is fixedly connected with the surface of the first motor (5), the worm (6) is fixedly installed on the surface of the support frame (2), a driving gear (7) is sleeved on the surface of one end, far away from the worm wheel (4), of the first rotating shaft (3), a driven gear (8) is meshed with the surface of the driving gear (7), a screw rod (9) is inserted into the inside of the driven gear (8), and a circular block (10) is sleeved on the surface of one end, far away from the driven gear (8, the surface of the round block (10) is sleeved with a first driving wheel (11), the top end of the round block (10) is fixedly connected with a fixing frame (15), the top end surface of the fixing frame (15) is abutted to the surface of a movable sleeve (16), the top end of the movable sleeve (16) is fixedly connected with a first fixing frame (19), the inner wall of the first fixing frame (19) is fixedly connected with a first display plate (20), the top end of the first display plate (20) is fixedly connected with a second fixing frame (24), the bottom end inner wall of the second fixing frame (24) is fixedly connected with a sliding rail (25), a fixing rod (27) is inserted into the sliding rail (25), the bottom end of the fixing rod (27) is sleeved with a rotating block (26), the top end of the fixing rod (27) is sleeved with a rack (29), and a gear (35) is meshed with the surface of one end, far away from the fixing rod (27), of, a second rotating shaft (31) is inserted into the gear wheel (35), a fixing hoop (30) is sleeved at one end, far away from the gear wheel (35), of the second rotating shaft (31), the fixing hoop (30) is fixedly installed on the inner wall of the bottom end of the second fixing frame (24), a first conical gear (32) is sleeved on one end surface, penetrating through the fixing hoop (30), of the second rotating shaft (31), a second conical gear (33) is vertically meshed on the surface of the first conical gear (32), an output shaft of a third motor (34) is fixedly connected to one end surface, far away from the first conical gear (32), of the second conical gear (33), the third motor (34) is fixedly installed on the inner wall of the bottom end of the second fixing frame (24), a storage box (43) is fixedly installed on one side surface of the first fixing frame (19), and a fixing block (38) is fixedly connected to the top end of the storage box (43), and the inside of fixed block (38) is articulated through the articulated shaft to have arc apron (39), the one end fixed surface who keeps away from fixed block (38) of arc apron (39) is connected with stabilizer bar (40), and stabilizer bar (40) keep away from the inside third axis of rotation (41) of inserting of one end of arc apron (39), the inner wall fixedly connected with of receiver (43) stabilizes axle (42), and stabilizes axle (42) and keep away from the one end surface cover of receiver (43) inner wall and be equipped with irregular movable block (44).
2. An economic display device for displaying economic variation curves with a rotary display structure according to claim 1, wherein: the surface cover of first drive wheel (11) is equipped with drive belt (12), first drive wheel (11) constitute with circular block (10) and rotate to be connected, the one end inner wall that first drive wheel (11) was kept away from in drive belt (12) is inconsistent with the surface of second drive wheel (13), and the output shaft of the bottom fixedly connected with second motor (14) of second drive wheel (13), second motor (14) fixed mounting is on the surface of support frame (2).
3. An economic display device for displaying economic variation curves with a rotary display structure according to claim 1, wherein: the inner wall of the movable sleeve (16) is provided with a thread groove, and the thread groove arranged on the inner wall of the movable sleeve (16) is matched with the external thread arranged on the surface of the screw rod (9).
4. An economic display device for displaying economic variation curves with a rotary display structure according to claim 1, wherein: the top fixed surface of first drive wheel (11) is connected with loop bar (17), and loop bar (17) are provided with two sets ofly to the inner wall of loop bar (17) sets up to triangle-shaped, the inside of loop bar (17) is inserted and is equipped with inserted bar (18), and inserted bar (18) set up to triangle-shaped, and the surface of inserted bar (18) is inconsistent with loop bar (17) inner wall, the first fixed frame (19) of top fixedly connected with of inserted bar (18).
5. An economic display device for displaying economic variation curves with a rotary display structure according to claim 1, wherein: the bottom inner wall of the first fixing frame (19) is provided with a sliding groove, a pulley (22) is inserted inside the sliding groove, a second display board (21) is fixedly connected to the top end of the pulley (22), and the sliding groove formed in the bottom inner wall of the first fixing frame (19) is rotatably connected with the pulley (22).
6. An economic display device for displaying economic variation curves with a rotary display structure according to claim 1, wherein: fixed shafts are inserted into the front end surface and the rear end surface of the fixed rod (27), a roller (28) is sleeved on one end surface of the fixed shaft far away from the fixed rod (27), the fixed shafts fixedly connected with the front end surface and the rear end surface of the fixed rod (27) are rotatably connected with the roller (28), and the bottom end surface of the roller (28) is abutted to the inner wall of the bottom end of the sliding rail (25).
7. An economic display device for displaying economic variation curves with a rotary display structure according to claim 1, wherein: the one end fixed surface of rack (29) is connected with connecting block (36), and the inside of connecting block (36) is inserted and is equipped with dead lever (27) to dead lever (27) constitute with connecting block (36) and rotate and be connected, slide rail (25) are provided with two sets ofly, and slide rail (25) bottom inner wall has seted up the transverse groove, the transverse groove has been seted up to the fixed frame of second (24) bottom inner wall, L shaped plate (23) run through in the fixed frame of second (24) and the top surface of the inside one end fixed connection of transverse groove that slide rail (25) bottom inner wall was seted up at second show board (21), the transverse groove that the fixed frame of second (24) and slide rail (25) bottom inner wall were seted up constitutes sliding connection with L shaped plate (23).
8. An economic display device for displaying economic variation curves with a rotary display structure according to claim 1, wherein: both ends internally mounted has light (37) around the fixed frame of second (24), and light (37) run through in the fixed frame of second (24) bottom inner wall, the fixed frame of second (24) set up to five groups, and through electric connection between the fixed frame of every group second (24) to the one end that light (37) were kept away from to the electric wire is external to have rechargeable battery and shift knob.
9. An economic display device for displaying economic variation curves with a rotary display structure according to claim 1, wherein: the stabilizing rod (40) and the third rotating shaft (41) form a rotating connection, the stabilizing shaft (42) and the irregular moving block (44) form a rotating connection, the surface of one end, far away from the stabilizing shaft (42), of the irregular moving block (44) is fixedly connected with a moving rod (45), an arc-shaped groove hole is formed in the surface of the storage box (43), and one end, far away from the surface of the irregular moving block (44), of the moving rod (45) penetrates through the arc-shaped groove hole formed in the surface of the storage box (43).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011318959.1A CN112396927A (en) | 2020-11-23 | 2020-11-23 | Economics is with having economic change curve display device who rotates show structure |
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| CN202011318959.1A CN112396927A (en) | 2020-11-23 | 2020-11-23 | Economics is with having economic change curve display device who rotates show structure |
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| CN202011318959.1A Pending CN112396927A (en) | 2020-11-23 | 2020-11-23 | Economics is with having economic change curve display device who rotates show structure |
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| CN113068955A (en) * | 2021-03-10 | 2021-07-06 | 河北机电职业技术学院 | Teaching aid stopper and use method thereof |
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| CN114587069A (en) * | 2022-03-03 | 2022-06-07 | 周苏君 | Lectern is used in english teaching |
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