CN113096499A - Higher mathematics rotating surface presentation device - Google Patents
Higher mathematics rotating surface presentation device Download PDFInfo
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- CN113096499A CN113096499A CN202110438287.6A CN202110438287A CN113096499A CN 113096499 A CN113096499 A CN 113096499A CN 202110438287 A CN202110438287 A CN 202110438287A CN 113096499 A CN113096499 A CN 113096499A
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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
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
- G09B23/04—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics for geometry, trigonometry, projection or perspective
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Abstract
The invention relates to the technical field of demonstration teaching aids and discloses a higher mathematics rotating surface demonstration device which comprises a base, wherein a dust cover is arranged above the base, an inner cavity is formed in the base, and a motor is fixedly connected to the center of the bottom circle of the inner cavity of the base. This rotatory curved surface presentation device of higher mathematics, through being provided with the stand, glide machanism and fluorescence elasticity curved bar, when needing to adjust the crooked radian of fluorescence elasticity curved bar, can make the lantern ring slide on the stand, the connecting strip removes thereupon, thereby distance between two glide machanism can change thereupon, the radian of fluorescence elasticity curved bar changes, when treating the removal area assigned position, spacing bolt two is screwed up to the people's hand, make the end of spacing bolt two closely laminate with the tank bottom of spacing groove, make the position of the lantern ring on the stand carry on spacingly, manual nut is screwed to the people again, make spacing bolt one slide in spout two, spacing bolt one drives the rotary drum and slides in spout one simultaneously.
Description
Technical Field
The invention relates to the technical field of demonstration teaching aids, in particular to a device for demonstrating a higher mathematics rotating curved surface.
Background
Higher mathematics is an important basic subject of a science and technology colleges, is a necessary mathematics course of a professional student of a science and technology department without mathematics specialty, is a necessary course of other specialties, has the fixed characteristic as a science and the higher mathematics, and is that the higher mathematics has high abstraction, strict logic and wide application.
Most be fixed knot structure at current rotating surface presentation device, the spatial position of its curve is single, and the curved surface shape is single for the rotating surface who forms does not possess diversified effect, makes rotating surface's teaching aid need change the curved bar and just can carry out diversified curved surface teaching, and the operation is inconvenient.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the higher mathematics rotating curved surface demonstration device which has the advantages that the space position of the curve is changeable, the shape of the curved surface is changeable, the formed rotating curved surface has diversification, and the problems in the background art are solved.
The invention provides the following technical scheme: the utility model provides a higher mathematics rotating surface presentation device, includes the base, the top of base is equipped with the dust cover, the inner chamber has been seted up to the base, the inner chamber end circle center department fixedly connected with motor of base, the output shaft fixedly connected with carousel of motor, the centre of a circle department fixedly connected with stand of the upper surface of carousel, a side surface of stand has seted up the spacing groove, the surface sliding of stand is equipped with glide machanism, glide machanism's quantity is two, the surface sliding of stand has cup jointed spacing bolt two, spacing bolt is two between two glide machanism.
Preferably, the glide machanism includes the lantern ring and connecting strip, the lantern ring and stand sliding connection, the connecting strip rotates with a side surface of the lantern ring to be connected, the opposite side surface threaded connection of the lantern ring has spacing bolt two, the one end of spacing bolt two is located the spacing inslot and closely laminates with the tank bottom of spacing groove.
Preferably, a first sliding groove is formed in the connecting strip, a rotating drum is connected to the first sliding groove in a sliding mode, a first limiting bolt is movably inserted into the rotating drum, two sliding grooves are formed in the two side walls of the first sliding groove, the first limiting bolt is connected with the second sliding groove in a sliding mode, a nut is sleeved on the surface of the first limiting bolt in a threaded mode, and the nut is tightly attached to the surface of one side wall of the connecting strip.
Preferably, a fluorescent elastic curved bar is fixedly connected to the surface of the rotating drum, and the other end of the fluorescent elastic curved bar is fixedly connected with the rotating drum in the other sliding mechanism.
Preferably, one side surface of the second limiting bolt is in threaded connection with a fourth limiting bolt, one end of the fourth limiting bolt is located in the limiting groove and is tightly attached to the bottom of the limiting groove, the other side surface of the second limiting bolt is fixedly connected with a sleeve, an inner rod is inserted into the sleeve in a sliding mode, one end of the inner rod is fixedly connected with a clip, and the clip is clamped on the surface of the fluorescent elastic curved rod.
Preferably, the surface of the sleeve is in threaded connection with a fifth limiting bolt, and the other end of the fifth limiting bolt is tightly attached to the surface of the inner rod.
Preferably, the inner bottom of the base is fixedly provided with a storage battery, and the storage battery is positioned on one side of the motor.
Preferably, the lower fixed surface of carousel is connected with a plurality of spliced pole, a plurality of the circumference is done about the lower surface of carousel to the spliced pole, the bottom of spliced pole is rotated and is connected with gyro wheel one, the laminating of interior bottom surface of gyro wheel one and base, the lateral wall of spliced pole is rotated and is connected with gyro wheel two, the laminating of inside wall in gyro wheel two and the base chamber.
Preferably, the dust cover fixed surface is connected with articulated piece, the quantity of articulated piece is two and is located the both sides of dust cover surperficial bottom respectively, it is connected with the pothook to rotate in the articulated piece, base limit wall fixed surface is connected with the fixture block, the quantity of fixture block is two and is located the both sides of base respectively, articulated piece is corresponding with the position of fixture block.
Preferably, the top edge of the base is provided with an annular groove and is matched with the bottom model specification of the dust cover.
Compared with the prior art, the invention has the following beneficial effects:
1. this high mathematics rotatory curved surface presentation device, through being provided with the stand, glide machanism and fluorescence elasticity curved bar, when needing to adjust the crooked radian of fluorescence elasticity curved bar, can make the lantern ring slide on the stand, the connecting strip removes thereupon, thereby distance between two glide machanism can change thereupon, the radian of fluorescence elasticity curved bar changes, when treating the removal area assigned position, spacing bolt two is screwed up to the people's hand, make the end of spacing bolt two closely laminate with the tank bottom of spacing groove, make the position of the lantern ring on the stand carry on spacingly, manual nut is screwed to the people again, make spacing bolt one slide in spout two, spacing bolt one drives the rotary drum and slides in spout one simultaneously, make the end position of fluorescence elasticity curved bar can slide in the connecting strip, make the space position easy operation who changes fluorescence elasticity curved bar swift.
2. This high mathematics rotating surface presentation device, through being provided with spacing bolt two, the sleeve, interior pole, clip and spacing bolt five, spacing bolt two can slide from top to bottom at the surface of stand, people's hand screws up spacing bolt four when sliding the assigned position and makes the position of spacing bolt five carry on spacingly, can slide the clip centre gripping on the surface of fluorescence elasticity curved bar, slide interior pole in the sleeve, it produces deformation to drive fluorescence elasticity curved bar, make the curved surface shape changeable, do not need to change the curved bar when making the rotating surface possess the diversification, easy operation is swift.
Drawings
FIG. 1 is a schematic view of the overall structure of the apparatus of the present invention;
FIG. 2 is a cross-sectional structural view of the base of the present invention;
FIG. 3 is a schematic view of the turntable structure of the present invention;
FIG. 4 is a schematic view of the structure of the column of the present invention;
FIG. 5 is a schematic structural view of a sliding mechanism according to the present invention;
FIG. 6 is an enlarged view of part A of the present invention.
In the figure: 1. a base; 2. a clamping block; 3. a dust cover; 4. a hinged block; 5. a hook; 6. a motor; 7. a storage battery; 8. a turntable; 9. connecting columns; 10. a first roller; 11. a second roller; 12. a column; 13. a sliding mechanism; 14. a collar; 15. a connecting strip; 16. a first sliding chute; 17. a second chute; 18. a rotating drum; 19. a first limiting bolt; 20. a nut; 21. a fluorescent elastic curved bar; 22. a limiting groove; 23. a second limiting bolt; 24. a fourth limiting bolt; 25. a sleeve; 26. an inner rod; 27. a clip; 28. and a fifth limiting bolt.
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. 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. 1-6, a higher mathematics rotating curved surface demonstration device comprises a base 1, a dust cover 3 is arranged above the base 1, an inner cavity is arranged on the base 1, a motor 6 is fixedly arranged at the center of the bottom circle of the inner cavity of the base 1, a rotating disc 8 is fixedly welded on an output shaft of the motor 6, an upright post 12 is fixedly welded at the center of the upper surface of the rotating disc 8, a limit groove 22 is arranged on one side surface of the upright post 12, a sliding mechanism 13 is assembled on the surface of the upright post 12 in a sliding manner, the number of the sliding mechanisms 13 is two, a limit bolt two 23 is sleeved on the surface of the upright post 12 in a sliding manner, the limit bolt two 23 is positioned between the two sliding mechanisms 13, the sliding mechanism 13 comprises a lantern ring 14 and a connecting strip 15, the lantern ring 14 is connected with the upright post 12 in a sliding manner, the connecting strip 15 is rotatably connected with one side, one end of a second limiting bolt 23 is positioned in the limiting groove 22 and tightly attached to the bottom of the limiting groove 22, so that the lantern ring 14 is fixed on the surface of the upright post 12, the lantern ring 14 cannot rotate when the upright post 12 rotates, a first sliding groove 16 is formed in the connecting strip 15, a rotary drum 18 is slidably connected in the first sliding groove 16, a first limiting bolt 19 is movably inserted in the rotary drum 18, two sliding grooves 17 are formed in two side wall surfaces of the first sliding groove 16, the first limiting bolt 19 is slidably connected with the second sliding groove 17, a nut 20 is sleeved on the surface of the first limiting bolt 19 in a threaded manner, the nut 20 is tightly attached to the surface of one side wall of the connecting strip 15, the nut 20 can be squeezed with the surface of one side wall of the connecting strip 15 by screwing the nut 20 to limit the position of the rotary drum 18, a fluorescent elastic curved rod 21 is fixedly welded on the surface of the rotary drum 18, and the other end of the fluorescent elastic curved rod, the surface of one side of the second limit bolt 23 is in threaded connection with a fourth limit bolt 24, one end of the fourth limit bolt 24 is positioned in the limit groove 22 and is tightly attached to the bottom of the limit groove 22, the position of the second limit bolt 23 on the upright post 12 is limited, the other side surface of the second limit bolt 23 is fixedly welded with a sleeve 25, an inner rod 26 is inserted in the sleeve 25 in a sliding manner, one end of the inner rod 26 is fixedly provided with a clip 27, the clip 27 is clamped on the surface of the fluorescent elastic curved rod 21, the inner rod 26 slides in the sleeve 25 to drive the fluorescent elastic curved rod 21 to deform, the curved surface shape is diversified, the surface of the sleeve 25 is in threaded connection with a fifth limit bolt 28, the other end of the fifth limit bolt 28 is tightly attached to the surface of the inner rod 26, the fourth limit bolt 24 is screwed by hands to limit the position of, the storage battery 7 is positioned on one side of the motor 6 and supplies power to the motor 6, a plurality of connecting columns 9 are fixedly welded on the lower surface of the rotary table 8, the connecting columns 9 are arranged in a circumferential mode relative to the lower surface of the rotary table 8, the bottom end of each connecting column 9 is rotatably connected with a roller I10, each roller I10 is attached to the inner bottom surface of the base 1, the side wall of each connecting column 9 is rotatably connected with a roller II 11, each roller II 11 is attached to the inner side wall of the cavity of the base 1, the rotary table 8 is supported and friction force with the base 1 is greatly reduced when the rotary table 8 rotates, the dust cover 3 is fixedly welded with the hinge blocks 4, the hinge blocks 4 are two in number and are respectively positioned on two sides of the bottom end of the dust cover 3, the hooks 5 are rotatably connected in the hinge blocks 4, the fixture blocks 2 are fixedly welded on the side wall surface of the base 1, the fixture, the clamping hook 5 can be clamped with the clamping block 2 to limit the position of the dust cover 3, an annular groove is formed in the top end edge of the base 1 and is matched with the bottom model specification of the dust cover 3, and the dust cover 3 is conveniently arranged on the base 1.
The working principle is that when the device is used, when the bending radian of the fluorescent elastic curved rod 21 needs to be adjusted, the lantern ring 14 can slide on the upright post 12, the connecting strip 15 moves along with the movement, so that the distance between the two sliding mechanisms 13 changes, the radian of the fluorescent elastic curved rod 21 changes, when the belt to be moved is at a designated position, a person manually screws the second limit bolt 23, the end of the second limit bolt 23 is tightly attached to the bottom of the limit groove 22, the position of the lantern ring 14 on the upright post 12 is limited, then manually screws the nut 20, the first limit bolt 19 slides in the second slide groove 17, the first limit bolt 19 drives the rotary drum 18 to slide in the first slide groove 16, the position of the end of the fluorescent elastic curved rod 21 in the connecting strip 15 is changed, the second limit bolt 23 can slide up and down on the surface of the upright post 12, when the belt slides to the designated position, the fourth limit bolt 24 is manually screwed, the position of the fifth limit bolt 28 is limited, with clip 27 centre gripping in fluorescence elasticity curved bar 21's surface, slide interior pole 26 in sleeve 25, drive fluorescence elasticity curved bar 21 and produce deformation for the curved surface shape is diversified, and starter motor 6 drives carousel 8, drives stand 12 simultaneously and rotates and carry out the rotating surface demonstration.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a higher mathematics rotating surface presentation device, its characterized in that, includes base (1), the top of base (1) is equipped with dust cover (3), the inner chamber has been seted up in base (1), fixedly connected with motor (6) are located to the inner chamber end circle center of base (1), output shaft fixedly connected with carousel (8) of motor (6), fixedly connected with stand (12) are located to the centre of a circle of the upper surface of carousel (8), spacing groove (22) have been seted up to a side surface of stand (12), the surface sliding of stand (12) is equipped with glide machanism (13), the quantity of glide machanism (13) is two, the surface sliding of stand (12) has cup jointed two (23) of spacing bolt, two (23) of spacing bolt are located between two glide machanism (13).
2. The higher mathematics surface of revolution presentation device of claim 1, characterized in that: glide machanism (13) are including lantern ring (14) and connecting strip (15), lantern ring (14) and stand (12) sliding connection, connecting strip (15) are rotated with a side surface of the lantern ring (14) and are connected, the opposite side surface threaded connection of the lantern ring (14) has two (23) spacing bolts, the one end of two (23) spacing bolts is located spacing groove (22) and closely laminates with the tank bottom of spacing groove (22).
3. The higher mathematics surface of revolution presentation device of claim 2, characterized in that: a first sliding groove (16) is formed in the connecting strip (15), a rotating cylinder (18) is connected to the first sliding groove (16) in a sliding mode, a first limiting bolt (19) is movably inserted into the rotating cylinder (18), two sliding grooves (17) are formed in the two side groove walls of the first sliding groove (16), the first limiting bolt (19) is connected with the second sliding grooves (17) in a sliding mode, a nut (20) is sleeved on the surface of the first limiting bolt (19) in a threaded mode, and the nut (20) is tightly attached to the surface of one side wall of the connecting strip (15).
4. The higher mathematics surface of revolution presentation device of claim 3, characterized in that: the surface of the rotary drum (18) is fixedly connected with a fluorescent elastic curved bar (21), and the other end of the fluorescent elastic curved bar (21) is fixedly connected with the rotary drum (18) in the other sliding mechanism (13).
5. The higher mathematics surface of revolution presentation device of claim 4, characterized in that: the surface of one side of two (23) of spacing bolt threaded connection has four (24) of spacing bolt, the one end of four (24) of spacing bolt is located spacing groove (22) and closely laminates with the tank bottom of spacing groove (22), another side surface fixedly connected with sleeve (25) of two (23) of spacing bolt, it has interior pole (26) to slide to peg graft in sleeve (25), the one end fixedly connected with clip (27) of interior pole (26), clip (27) centre gripping is on the surface of fluorescence elasticity curved bar (21).
6. The higher mathematics surface of revolution presentation device of claim 5, characterized in that: the surface of the sleeve (25) is in threaded connection with a fifth limiting bolt (28), and the other end of the fifth limiting bolt (28) is tightly attached to the surface of the inner rod (26).
7. The higher mathematics surface of revolution presentation device of claim 1, characterized in that: the inner bottom fixed mounting of base (1) has battery (7), battery (7) are located one side of motor (6).
8. The higher mathematics surface of revolution presentation device of claim 1, characterized in that: the lower fixed surface of carousel (8) is connected with a plurality of spliced pole (9), a plurality of circumference range is done about the lower surface of carousel (8) to spliced pole (9), the bottom of spliced pole (9) is rotated and is connected with gyro wheel (10), the interior bottom surface laminating of gyro wheel (10) and base (1), the lateral wall of spliced pole (9) is rotated and is connected with gyro wheel two (11), the inside wall laminating in gyro wheel two (11) and base (1) chamber.
9. The higher mathematics surface of revolution presentation device of claim 1, characterized in that: dust cover (3) fixed surface is connected with articulated piece (4), the quantity of articulated piece (4) is two and is located the both sides of dust cover (3) surface bottom respectively, it has pothook (5) to rotate in articulated piece (4), base (1) limit wall fixed surface is connected with fixture block (2), the quantity of fixture block (2) is two and is located the both sides of base (1) respectively, articulated piece (4) is corresponding with the position of fixture block (2).
10. The higher mathematics surface of revolution presentation device of claim 1, characterized in that: the top edge of the base (1) is provided with an annular groove and is matched with the bottom model specification of the dust cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110438287.6A CN113096499A (en) | 2021-04-22 | 2021-04-22 | Higher mathematics rotating surface presentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110438287.6A CN113096499A (en) | 2021-04-22 | 2021-04-22 | Higher mathematics rotating surface presentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113096499A true CN113096499A (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110438287.6A Withdrawn CN113096499A (en) | 2021-04-22 | 2021-04-22 | Higher mathematics rotating surface presentation device |
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| Country | Link |
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| CN (1) | CN113096499A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113628511A (en) * | 2021-08-30 | 2021-11-09 | 桂林旅游学院 | Higher mathematics rotating surface presentation device |
-
2021
- 2021-04-22 CN CN202110438287.6A patent/CN113096499A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113628511A (en) * | 2021-08-30 | 2021-11-09 | 桂林旅游学院 | Higher mathematics rotating surface presentation device |
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Application publication date: 20210709 |