CN216211773U

CN216211773U - High school mathematics three-dimensional model display device

Info

Publication number: CN216211773U
Application number: CN202122390133.2U
Authority: CN
Inventors: 曹志刚; 郑永广; 郭好霞; 刘俊霞; 李国振
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-04-05
Anticipated expiration: 2031-09-29

Abstract

The application discloses a high school mathematics three-dimensional model display device, which comprises a supporting table and a movable fixing mechanism, wherein the rear side of the top end of the outer wall of the supporting table is fixedly connected with a display board, and the front side of the top end of the outer wall of the supporting table is fixedly connected with the display board; the movable fixing mechanism comprises two supporting plates, and the front side and the rear side of the bottom end of each supporting plate are fixedly connected with pulleys respectively. Move appointed teaching show place through pulley thrust unit, through starting the rotation motor, it drives the threaded rod and rotates to rotate the motor, and along the vertical downstream of threaded rod direction with two lifter plates of threaded rod screw-thread fit under the restriction of gag lever post, make the lifter plate drive the vertical downstream of two cavity boards respectively, two sets of sliders are respectively at the vertical downstream of spout inner chamber, have increased the stability of cavity board slip process, until cavity board bottom contact ground, the fixed of device has been realized this moment.

Description

High school mathematics three-dimensional model display device

Technical Field

The application relates to the field of high school mathematics teaching, in particular to a high school mathematics three-dimensional model display device.

Background

In the higher mathematical function teaching process, in order to optimize the teaching effect mr need generally be with the help of function three-dimensional model and resolve, make things convenient for abstract concept and the relatively poor classmate understanding in thinking space, but the mr need hold function three-dimensional model with the hand usually and show for the classmate, mr's arm can feel sour numb, mr's work load has been increased, and the bandwagon effect is also not good moreover, influences the teaching quality, some devices appear now on the market and are used for showing teaching model.

The display height of the existing display device is inconvenient to adjust, the existing display device is inconvenient to move and carry to a designated teaching place, no protective measures are taken for the model, and the display process is difficult to realize the all-round observation of the model. Therefore, the high school mathematics three-dimensional model display device is provided for the above problems.

Disclosure of Invention

The embodiment provides a high school mathematics three-dimensional model display device which is used for solving the problem that the device in the prior art is inconvenient to move and fix.

According to one aspect of the application, a high school mathematics three-dimensional model display device is provided, which comprises a supporting table and a movable fixing mechanism, wherein the back side of the top end of the outer wall of the supporting table is fixedly connected with a display board, and the front side of the top end of the outer wall of the supporting table is fixedly connected with the display board;

the movable fixing mechanism comprises a supporting plate, the supporting plate is provided with two pulleys fixedly connected with the front side and the rear side of the bottom end of the supporting plate respectively, the outer wall of the supporting plate is respectively sleeved on an inner cavity of the cavity plate in a sliding mode, the two pulleys are fixedly connected with the left side and the right side of the lifting plate at the top end of one side, close to the cavity plate, of the top center of the cavity plate respectively, a threaded rod is sleeved on the center of the lifting plate in a threaded mode, the output end of a motor is rotated at the top end of the threaded rod in a fixed connection mode, the center of the bottom end of a supporting table fixedly connected with the top end of the motor is rotated, the center of the top end of a connecting plate is fixedly connected with the top end of the connecting plate, the center of the left side and the right side of the top end of the connecting plate is fixedly connected with the bottom center of the supporting table respectively, and the outer wall of the limiting rod is respectively slidably sleeved on the outer wall of the limiting rod and penetrates through the inner cavity of the lifting plate.

Furthermore, the centers of the upper parts of the left side and the right side of the inner wall of the two cavity plates are respectively fixedly connected with a sliding block, two groups of sliding blocks are respectively sheathed in the inner cavity of the sliding chute in a sliding way, two groups of sliding chutes are respectively vertically embedded in the centers of the left side and the right side of the supporting plate,

furthermore, the left side and the right side of the inner wall of the supporting platform are respectively and uniformly fixedly connected with one end of a plurality of springs, and the other end of each spring is respectively and fixedly connected with one side, far away from each other, of the two buffer plates.

Furthermore, two buffer board top and bottom are fixed connection second stopper respectively, and are two sets of the second stopper slides respectively and cup joints at second spacing inslot chamber, and are two sets of the second spacing groove level inlays respectively in a supporting bench inner wall top and bottom left and right sides center department.

Further, a first limiting groove, two are horizontally embedded in the center of the top end and the bottom end of the inner wall of the supporting table respectively, a first limiting groove inner cavity is respectively sleeved with a first limiting block in a sliding mode, one side, close to each other, of the first limiting block is fixedly connected with the top end and the bottom end of the outer wall of the storage table respectively, and the inner wall of the storage table is filled with a cushion.

Furthermore, the center of the left side and the right side of the top end of the outer wall of the supporting table are respectively connected with the bottom end of the driven shaft in a rotating mode, the top ends of the driven shafts are respectively fixedly connected with the center of the bottom end of the placing plate, and the placing plates are respectively connected with the left side and the right side of the top end of the display stand in a rotating mode in a sleeved mode and penetrate through.

Furthermore, two second bevel gears are fixedly sleeved on the outer walls of the driven shafts respectively, the two second bevel gears are in meshing fit with the first bevel gears respectively, and the two first bevel gears are fixedly sleeved on the left side and the right side of the outer wall of the connecting shaft respectively.

Furthermore, the left side and the right side of the connecting shaft are respectively rotatably sleeved and penetrate through the centers of the inner cavities of the bearing plates, and the two bearing plates are respectively vertically inserted into the left side and the right side of the inner wall of the display stand.

Furthermore, a driven bevel gear is fixedly sleeved at the center of the outer wall of the connecting shaft, the top end of the driven bevel gear is meshed with a driving bevel gear, the driving bevel gear is fixedly sleeved at the center of the bottom end of a rotating block, and the top end of the rotating block is rotatably connected with and penetrates through the center of the top end of the display stand.

Furthermore, the side edges of the top ends of the two placing plates are fixedly connected with the bottom ends of the transparent enclosing plates respectively.

Through the above-mentioned embodiment of this application, adopted and removed fixed establishment, solved the inconvenient removal of device and fixed problem, made things convenient for the altitude mixture control of device.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 2 according to an embodiment of the present disclosure;

fig. 4 is a schematic diagram of a partial enlarged structure at B in fig. 2 according to an embodiment of the present application.

In the figure: 1. a support table; 2. a storage table; 3. a soft cushion; 4. a cavity plate; 5. a chute; 6. a support plate; 7. a pulley; 8. a slider; 9. a lifting plate; 10. a connecting plate; 11. a threaded rod; 12. rotating the motor; 13. a limiting rod; 14. a first stopper; 15. a first limit groove; 16. a first bevel gear; 17. a second bevel gear; 18. a transparent coaming; 19. a display board; 20. a driven shaft; 21. a display stand; 22. a connecting shaft; 23. rotating the block; 24. a driven bevel gear; 25. a bearing plate; 26. a second limit groove; 27. a drive bevel gear; 28. a buffer plate; 29. a second limiting block; 30. a spring; 31. placing the plate.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The moving and fixing mechanism in this embodiment may be applied to various display devices, for example, the following display device is provided in this embodiment, and the moving and fixing mechanism in this embodiment may be used to move and fix the following display device.

This display device includes sucking disc formula base and multisection formula loose joint pole, utilize piston mechanism to compress the inside air of flexible glue sucking disc, thereby under the effect of outside air, make sucking disc formula base firmly fix on wall and blackboard, then utilize the multisection formula loose joint pole to carry out the angular oscillation, fix the three-dimensional model through the trigeminy formula spring claw again, the ingenious mode that has utilized the sucking disc of the device's design scheme fixes the device on wall or blackboard, can be nimble adjust the height as required in the teaching of reality, utilize the angle of multisection formula loose joint pole to the model to change, thereby the student of being convenient for observes. In the further proposed technical scheme, a piston mechanism is arranged at the central shaft of the sucker-type base, a soft rubber sucker is arranged at the central shaft at the bottom of the sucker-type base, and the gas in the soft rubber sucker attached to the blackboard is pumped and exhausted by applying acting force to the piston mechanism. In the specific implementation process, the piston drawing mechanism is used for enabling the air pressure density inside the soft rubber sucker to be lower than the air density of the outside air, so that the device is pressed and firmly fixed on a wall or a blackboard. The sucking disc type base is integrally made of plastic and can be divided into a base and a circular table cylinder positioned on the upper surface of the base according to functions, a through hole is formed in the middle shaft of the bottom of the base and communicated with the circular table cylinder, and the soft rubber sucking disc is positioned in the through hole. In the specific implementation process, the soft rubber sucker is in an inverted disc shape, the top of the soft rubber sucker and the through hole are of an integrated structure, the arc-shaped outer wall of the soft rubber sucker is not in contact with the through hole, when the soft rubber sucker is not used, the diameter of the soft rubber sucker and the diameter of the through hole are 0.3cm-0.5cm, the outer wall of the soft rubber sucker is attached to the inner wall of the through hole after the soft rubber sucker is used, and the base of the soft rubber sucker is in contact with the wall or the outer wall of the blackboard. The piston mechanism comprises a threaded piston rod and a piston block, the threaded piston rod is connected in a circular truncated cone on the sucker-type base in a threaded manner, and a handle is arranged at one end, located outside the circular truncated cone on the sucker-type base, of the threaded piston rod; the piston block is positioned in the circular truncated cone on the sucker type base, the outer wall of the piston block is attached to the inner wall of the circular truncated cone, and the tail end of the threaded piston rod is arranged at the axis of the upper surface of the piston block; and the upper surface of the base on the sucker type base is provided with a vent hole which is communicated with the round table cylinder on the sucker type base and is positioned at the position 4cm-5cm above the piston block. In a specific implementation process, because the threaded piston rod and the circular truncated cone are in threaded connection in the design of the device, the actual internal air is relatively sealed, and the vent hole is designed to balance the air at the two ends of the piston block.

Of course, the present embodiment can also be used for moving and fixing other structures of the display device. Here, description is not repeated, and the display device according to the embodiment of the present application is described below.

Referring to fig. 1-4, a high school mathematics three-dimensional model display device includes a supporting table 1 and a movable fixing mechanism, wherein the back side of the top end of the outer wall of the supporting table 1 is fixedly connected with a display board 19, and the front side of the top end of the outer wall of the supporting table 1 is fixedly connected with the display board 19;

the moving and fixing mechanism comprises two support plates 6, the front side and the rear side of the bottom ends of the two support plates 6 are respectively fixedly connected with pulleys 7, the outer walls of the two support plates 6 are respectively sleeved in the inner cavity of the cavity plate 4 in a sliding manner, the centers of the top ends of the two adjacent sides of the two cavity plates 4 are respectively fixedly connected with the left side and the right side of a lifting plate 9, a threaded rod 11 is sleeved at the center of the lifting plate 9 through threads, the top end of the threaded rod 11 is fixedly connected with the output end of a rotating motor 12, the top end of the rotating motor 12 is fixedly connected with the center of the bottom end of the outer wall of the supporting table 1, the bottom end of the threaded rod 11 is fixedly connected with the center of the top end of the connecting plate 10, the center of the left side and the right side of the top end of the connecting plate 10 is fixedly connected with the bottom ends of the limiting rods 13 respectively, the top ends of the limiting rods 13 are fixedly connected with the center of the bottom end of the outer wall of the supporting table 1 respectively, and the outer walls of the limiting rods 13 are sleeved with the inner cavity of the lifting plate 9 in a sliding mode and penetrate through the inner cavity of the lifting plate respectively.

The centers above the left side and the right side of the inner wall of the two cavity plates 4 are respectively fixedly connected with a slide block 8, two groups of slide blocks 8 are respectively sleeved in the inner cavity of a slide groove 5 in a sliding way, two groups of slide grooves 5 are respectively vertically embedded in the centers of the left side and the right side of a support plate 6 to increase the stability of the sliding process of the cavity plates 4, the left side and the right side of the inner wall of the support table 1 are respectively and uniformly and fixedly connected with one ends of a plurality of springs 30, the other ends of the plurality of springs 30 are respectively and fixedly connected with one side, away from each other, of two buffer plates 28 to realize the buffer protection of the storage table 2, the top ends and the bottom ends of the two buffer plates 28 are respectively and fixedly connected with second limit blocks 29, two groups of second limit blocks 29 are respectively sleeved in the inner cavity of a second limit groove 26 in a sliding way, and two groups of second limit grooves 26 are respectively and horizontally embedded in the centers of the left side and the top end of the inner wall and the bottom end of the support table 1 to limit the displacement of the buffer plates 28, the center of the top end and the bottom end of the inner wall of the supporting platform 1 is respectively and horizontally embedded with a first limiting groove 15, the inner cavity of the two first limiting grooves 15 is respectively and slidably sleeved with a first limiting block 14, one side of the two first limiting blocks 14 close to each other is respectively and fixedly connected with the top end and the bottom end of the outer wall of the storage platform 2, the inner wall of the storage platform 2 is filled with a cushion 3 to realize the buffer protection of the three-dimensional model, the centers of the left side and the right side of the top end of the outer wall of the supporting platform 1 are respectively and rotatably connected with the bottom end of a driven shaft 20, the top ends of the two driven shafts 20 are respectively and fixedly connected with the center of the bottom end of a placing plate 31, the two placing plates 31 are respectively and rotatably sleeved and penetrate through the left side and the right side of the top end of a display platform 21, the placing plate 31 is driven by rotating the driven shaft 20 to rotate, the outer walls of the two driven shafts 20 are respectively and fixedly sleeved with a second bevel gear 17, and the two second bevel gears 17 are respectively engaged with a first bevel gear 16, the two first bevel gears 16 are respectively fixedly sleeved on the left side and the right side of the outer wall of the connecting shaft 22, the driven shaft 20 is driven to rotate by rotating the connecting shaft 22, the left side and the right side of the connecting shaft 22 are respectively rotatably sleeved and penetrate through the center of the inner cavity of the bearing plate 25, the two bearing plates 25 are respectively vertically inserted at the left side and the right side of the inner wall of the display platform 21, the stability of the rotating process of the connecting shaft 22 is improved, a driven bevel gear 24 is fixedly sleeved at the center of the outer wall of the connecting shaft 22, the top end of the driven bevel gear 24 is engaged with a driving bevel gear 27, the driving bevel gear 27 is fixedly sleeved at the center of the bottom end of the rotating block 23, the top end of the rotating block 23 is rotatably connected and penetrates through the center of the top end of the display stand 21, the rotating block 23 is rotated to drive the connecting shaft 22 to rotate, and the side edges of the top ends of the two placing plates 31 are fixedly connected with the bottom ends of the transparent enclosing plates 18 respectively, so that students can observe the three-dimensional model conveniently.

When the utility model is used, electrical components appearing in the application are externally connected with a power supply and a control switch, the device is pushed by a pulley 7 to move to a designated teaching and displaying place, a rotating motor 12 is started, the rotating motor 12 drives a threaded rod 11 to rotate, two lifting plates 9 in threaded fit with the threaded rod 11 vertically move downwards along the direction of the threaded rod 11 under the limitation of a limiting rod 13, so that the lifting plates 9 respectively drive two cavity plates 4 to vertically move downwards, two groups of sliding blocks 8 respectively vertically slide downwards in an inner cavity of a chute 5, the stability of the sliding process of the cavity plates 4 is increased until the bottom ends of the cavity plates 4 contact the ground, the fixation of the device is realized at the moment, the rotating motor 12 continuously drives the threaded rod 11 to rotate, the height of the lifting plates 9 is unchanged, the threaded rod 11 drives a supporting table 1 to vertically move upwards, and the adjustment of the height of a displaying table 21 is realized, the device is convenient for students with different heights to observe, in the moving process of the device, the three-dimensional model is placed in the storage table 2, the cushion 3 realizes primary buffer protection on the three-dimensional model, the damage of parts caused by the hard collision of the three-dimensional model is avoided, in the process that the storage table 2 is bumped to drive the three-dimensional model to shake left and right, the left and right sides can collide with the buffer plate 28, the buffer plate 28 presses the spring 30, the spring 30 is extruded and pushes the buffer plate 28 to reset, the buffer plate 28 pushes the storage table 2 to reset, thereby further buffer protection on the three-dimensional model can be realized, when the three-dimensional model needs to be displayed in a classroom, the three-dimensional model is firstly placed on the two placing plates 31, the transparent coaming plate 18 realizes the anti-falling shielding protection, then the rotating block 23 is rotated, the rotating block 23 drives the driving bevel gear 27 to rotate, the driving bevel gear 27 drives the driven bevel gear 24 to rotate, driven bevel gear 24 drives connecting axle 22 and rotates, and connecting axle 22 drives first bevel gear 16 and rotates, and first bevel gear 16 drives second bevel gear 17 and rotates, and second bevel gear 17 drives driven shaft 20 and rotates, and driven shaft 20 drives and places board 31 and rotate, places board 31 and drives the three-dimensional model and realize omnidirectional show to show position is convenient for control through manual rotation turning block 23, the regulation in show position can be carried out thereupon.

The application has the advantages that:

1. the device is simple to operate, the device is moved to a designated teaching display place through the pulley pushing device, the rotating motor is started, the rotating motor drives the threaded rod to rotate, the two lifting plates in threaded fit with the threaded rod vertically move downwards along the direction of the threaded rod under the limitation of the limiting rod, the lifting plates drive the two cavity plates to vertically move downwards respectively, the two groups of sliding blocks vertically slide downwards in the inner cavity of the sliding chute respectively, the stability of the sliding process of the cavity plates is improved until the bottom end of the cavity plate contacts the ground, the fixation of the device is realized at the moment, the rotating motor continues to drive the threaded rod to rotate, the height of the lifting plates is unchanged, the threaded rod drives the supporting table to vertically move upwards, and therefore the height of the display table is adjusted, and students with different heights can observe conveniently;

2. the cushion type three-dimensional model buffer device is reasonable in structure, the three-dimensional model is placed in the storage table, the cushion achieves preliminary buffer protection on the three-dimensional model, the damage to parts caused by hard collision of the three-dimensional model is avoided, the left side and the right side of the storage table can collide with the buffer plate in the process that the storage table is jolted to drive the three-dimensional model to shake left and right, the spring is pressed by the buffer plate, the spring is extruded to push the buffer plate to reset, the buffer plate pushes the storage table to reset, and therefore further buffer protection on the three-dimensional model can be achieved;

3. this application places the three-dimensional model earlier on two place the boards, transparent bounding wall realizes the protection of sheltering from of preventing dropping, the rethread rotates the turning block, the turning block drives the drive bevel gear and rotates, drive bevel gear drives driven bevel gear and rotates, driven bevel gear drives the connecting axle and rotates, the connecting axle drives first bevel gear and rotates, first bevel gear drives second bevel gear and rotates, second bevel gear drives the driven shaft and rotates, the driven shaft drives and places the board and rotate, it drives the three-dimensional model and realizes omnidirectional show to place the board, and be convenient for control show position through manual rotation turning block, can carry out the regulation in show position thereupon.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a high school mathematics three-dimensional model display device which characterized in that: the device comprises a supporting table (1) and a movable fixing mechanism, wherein a display board (19) is fixedly connected to the rear side of the top end of the outer wall of the supporting table (1), and the display board (19) is fixedly connected to the front side of the top end of the outer wall of the supporting table (1);

the movable fixing mechanism comprises two supporting plates (6), wherein the front side and the rear side of the bottom of each of the two supporting plates (6) are respectively fixedly connected with a pulley (7), the outer walls of the two supporting plates (6) are respectively sleeved on the inner cavity of the cavity plate (4) in a sliding manner, the top center of one side, close to each other, of the two cavity plates (4) is respectively fixedly connected with the left side and the right side of a lifting plate (9), the center of the lifting plate (9) is in threaded sleeve connection with a threaded rod (11), the top end of the threaded rod (11) is fixedly connected with the output end of a rotating motor (12), the top end of the rotating motor (12) is fixedly connected with the bottom center of the outer wall of a supporting table (1), the bottom center of the threaded rod (11) is fixedly connected with the top center of a connecting plate (10), the left side and right side centers of the top end of the connecting plate (10) are respectively fixedly connected with the bottom ends of a limiting rod (13), two gag lever post (13) top is fixed connection brace table (1) outer wall bottom center department respectively, two gag lever post (13) outer wall slides respectively and cup joints and runs through lifter plate (9) inner chamber.

2. The high school mathematics stereo model display device of claim 1, characterized in that: two fixed connection slider (8) are respectively located to cavity board (4) inner wall left and right sides top center, and are two sets of slider (8) slide respectively and cup joint at spout (5) inner chamber, two sets of spout (5) are vertical respectively and inlay backup pad (6) left and right sides center department.

3. The high school mathematics stereo model display device of claim 1, characterized in that: the left side and the right side of the inner wall of the supporting table (1) are respectively and uniformly fixedly connected with one end of a plurality of springs (30), and the other end of each spring (30) is respectively and fixedly connected with one side, far away from each other, of the two buffer plates (28).

4. The high school mathematics stereo model display device of claim 3, characterized in that: two buffer board (28) top and bottom are fixed connection second stopper (29) respectively, and are two sets of second stopper (29) slide respectively and cup joint at second spacing groove (26) inner chamber, and are two sets of second spacing groove (26) level respectively inlays in supporting bench (1) inner wall top and bottom left and right sides center department.

5. The high school mathematics stereo model display device of claim 1, characterized in that: supporting bench (1) inner wall top and bottom center department level respectively have inlayed first spacing groove (15), two first spacing groove (15) inner chamber slides respectively and cup joints first stopper (14), two one side that first stopper (14) are close to each other is fixed connection respectively and deposits platform (2) outer wall top and bottom, it has cushion (3) to deposit platform (2) inner wall packing.

6. The high school mathematics stereo model display device of claim 1, characterized in that: the center of the left side and the right side of the top end of the outer wall of the support table (1) is respectively connected with the bottom end of the driven shaft (20), the top end of the driven shaft (20) is respectively fixedly connected with the center of the bottom end of the placing plate (31), and the placing plate (31) is respectively connected with the left side and the right side of the top end of the display table (21) in a rotating and sleeved mode and penetrates through the center of the left side and the right side of the top end of the display table.

7. The high school mathematics stereo model display device of claim 6, characterized in that: two second bevel gears (17) are fixedly sleeved on the outer walls of the driven shafts (20) respectively, the two second bevel gears (17) are in meshing fit with the first bevel gears (16) respectively, and the two first bevel gears (16) are fixedly sleeved on the left side and the right side of the outer wall of the connecting shaft (22) respectively.

8. The high school mathematics stereo model display device of claim 7, characterized in that: the left side and the right side of the connecting shaft (22) are respectively rotatably sleeved and penetrate through the center of the inner cavity of the bearing plate (25), and the two bearing plates (25) are respectively vertically inserted into the left side and the right side of the inner wall of the display platform (21).

9. The high school mathematics stereo model display device of claim 7, characterized in that: the center of the outer wall of the connecting shaft (22) is fixedly sleeved with a driven bevel gear (24), the top end of the driven bevel gear (24) is meshed with a driving bevel gear (27), the driving bevel gear (27) is fixedly sleeved at the center of the bottom end of a rotating block (23), and the top end of the rotating block (23) is rotatably connected with and penetrates through the center of the top end of the showing stand (21).

10. The high school mathematics stereo model display device of claim 6, characterized in that: the side edges of the top ends of the two placing plates (31) are respectively fixedly connected with the bottom ends of the transparent enclosing plates (18).