CN219828314U - Wisdom teaching presentation device - Google Patents
Wisdom teaching presentation device Download PDFInfo
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- CN219828314U CN219828314U CN202321259547.4U CN202321259547U CN219828314U CN 219828314 U CN219828314 U CN 219828314U CN 202321259547 U CN202321259547 U CN 202321259547U CN 219828314 U CN219828314 U CN 219828314U
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- worm
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- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims description 26
- 238000004804 winding Methods 0.000 claims description 15
- 239000000428 dust Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 230000008844 regulatory mechanism Effects 0.000 claims 2
- 238000000926 separation method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000010405 clearance mechanism Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of teaching aids, and discloses an intelligent teaching demonstration device, which comprises a demonstration mechanism, wherein the demonstration mechanism comprises a display screen, and the display screen is used for playing a demonstration picture; the first adjusting mechanism is connected to the demonstration mechanism. This wisdom teaching presentation device, when using, rotate worm and worm wheel meshing transmission for the internal thread cover rotates, through the joint of gear and locking portion this moment, makes the threaded rod can not rotate, under the drive of internal thread cover, makes the threaded rod reciprocate, thereby adjusts the height of display screen, so that the back row student watch, the pulling rod drives locking portion and gear separation drive worm this moment, the threaded rod loses the restriction between locking portion and the gear this moment, the threaded rod is driven by the internal thread cover and rotates, thereby control angle adjustment to the display screen, in order to facilitate the use of user.
Description
Technical Field
The utility model relates to the technical field of teaching aids, in particular to an intelligent teaching demonstration device.
Background
In politics teaching, a teacher usually explains a part of content independently according to the teaching progress, and the teaching method can meet the requirement of students on memorizing the part of content, but can easily confuse students for a plurality of nouns and time or a large number of different time events needing memorizing in the review process, so that the learning interest of the students is influenced, and the learning of the students is reduced.
When the teaching demonstration device placed in a corner of a classroom in the prior art is used, in order to better show pictures played by a display screen on the teaching demonstration device, the whole teaching device is often required to be pushed to move, but the teaching device is affected by gravity, the placement angle of the display screen is inconvenient to adjust, and a rear-row classmate with a long distance is easily shielded by a front-row classmate, so that the learning effect of the rear-row classmate is affected.
Disclosure of Invention
The utility model aims to provide an intelligent teaching demonstration apparatus for solving the problems in the background technology.
The embodiment of the utility model adopts the following technical scheme:
the intelligent teaching demonstration apparatus comprises a demonstration mechanism, wherein the demonstration mechanism comprises a display screen, and the display screen is used for playing a demonstration picture; the first adjustment mechanism is connected to the demonstration mechanism, the first adjustment mechanism can drive the display screen to move up and down or rotate left and right, the first adjustment mechanism comprises an inner thread sleeve, a threaded rod, a gear and a locking part, the threaded rod is in threaded connection with the inner side of the inner thread sleeve, the locking part can be in clamping connection with the gear, the gear is connected to the bottom end of the threaded rod, the inner thread sleeve rotates under the clamping effect of the gear and the locking part, the threaded rod moves up and down, and the gear and the locking part can drive the threaded rod to rotate synchronously when not in clamping connection.
Preferably, the first adjusting mechanism further comprises a worm wheel and a worm, the worm wheel is connected to the internal thread sleeve, the worm is connected with the worm wheel in a meshed mode, and meshed transmission between the worm and the worm wheel is driven to provide power for rotation of the internal thread sleeve.
Preferably, the locking part is connected with a pull rod and an elastic piece, the pull rod is pulled to drive the locking part to move, and the elastic piece can drive the locking part to reset.
Preferably, the demonstration mechanism comprises a base and a shell, wherein the inner side of the shell is rotationally connected with a rotating shaft, a connecting piece is connected to the rotating shaft, and the display screen is positioned on the inner side of the shell and connected with the connecting piece.
Preferably, the base is connected with a storage box for storing teaching aids, and the top of the storage box is connected with a box cover for sealing the top of the storage box.
Preferably, the demonstration mechanism is connected with a second adjusting mechanism, and the second adjusting mechanism can drive the display screen to rotate back and forth.
Preferably, the second adjusting mechanism comprises an automatic telescopic part and a limiting sliding rail connected to the display screen, wherein a limiting sliding seat is hinged to the telescopic end of the automatic telescopic part, and the limiting sliding seat slides on the inner side of the limiting sliding rail in a limiting manner.
Preferably, the demonstration mechanism is further connected with a cleaning mechanism, and the cleaning mechanism can clean dust on the front side of the display screen.
Preferably, the cleaning mechanism comprises a first winding roller and a second winding roller, a dustproof part is connected to the first winding roller, a connecting rope is connected to the second winding roller, one end of the connecting rope is connected with the bottom of the dustproof part, the bottom of the dustproof part is connected with the cleaning part, the second winding roller can pull the dustproof part to the connecting rope, the first winding roller unwinds the dustproof part, at the moment, dust on the front side of the display screen is cleaned by the cleaning part, and meanwhile, the dustproof part is shielded on the front side of the display screen.
Preferably, the cleaning mechanism further comprises a guide assembly for guiding the cleaning portion.
The beneficial effects of the utility model are as follows:
when the novel display screen is used, the worm is rotated to be in meshed transmission with the worm wheel, the internal thread sleeve is rotated, at the moment, the threaded rod cannot be rotated through the clamping connection of the gear and the locking part, the threaded rod is driven by the internal thread sleeve to move up and down, so that the height of the display screen is adjusted, the rear-row students can watch conveniently, the pull rod is pulled forward to drive the locking part to be separated from the gear, the worm is driven by the pull rod to be separated from the gear, the threaded rod is prevented from being limited between the locking part and the gear, and at the moment, the threaded rod is driven by the internal thread sleeve to rotate, so that the left angle and the right angle of the display screen are adjusted, and the use of a user is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present utility model 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 will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic side sectional view of the present utility model;
FIG. 3 is a schematic view of a partially cut-away perspective structure of the present utility model;
FIG. 4 is a schematic perspective view of a second adjusting mechanism according to the present utility model;
FIG. 5 is a schematic side view of a housing of the present utility model;
FIG. 6 is an enlarged schematic view of the structure of FIG. 5A according to the present utility model;
fig. 7 is a schematic view of a rear sectional structure of the housing of the present utility model.
In the figure: 1. a demonstration mechanism; 11. a base; 12. a housing; 13. a display screen; 14. a storage box; 15. a case cover; 16. a rotating shaft; 17. a connecting piece; 2. a first adjustment mechanism; 21. a case body; 22. a threaded rod; 23. an internal thread sleeve; 24. a mounting base; 25. a pull rod; 26. an elastic member; 27. a locking part; 28. a gear; 29. a worm wheel; 210. a worm; 3. a second adjustment mechanism; 31. a support part; 32. an automatic telescopic member; 33. a limit sliding rail; 34. a limit sliding seat; 4. a cleaning mechanism; 41. a first wind-up roll; 42. a dust-proof part; 43. a cleaning part; 44. a guide assembly; 45. a second wind-up roll; 46. a driving source; 47. and (5) connecting ropes.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings.
As shown in fig. 1-7, an intelligent teaching demonstration apparatus; including presentation mechanism 1, presentation mechanism 1 includes display screen 13, display screen 13 is used for playing the picture of demonstration, be connected with first adjustment mechanism 2 on the presentation mechanism 1, first adjustment mechanism 2 can drive display screen 13 reciprocates, and drive display screen 13 left and right sides rotates, be connected with second adjustment mechanism 3 on the display screen 13, second adjustment mechanism 3 can drive display screen 13 back-and-forth swing, in order to avoid display screen 13 reflection of light, be connected with clearance mechanism 4 on the presentation mechanism 1, clearance mechanism 4 can clear up the dust on the display screen 13.
As shown in fig. 1 and fig. 4-6, the demonstration mechanism 1 comprises a base 11 and a shell 12, a display screen 13 and a rotating shaft 16 are arranged on the inner side of the shell 12, the rotating shaft 16 is rotatably connected to the shell 12, a connecting piece 17 is connected between the rotating shaft 16 and the display screen 13, the display screen 13 can rotate by taking the axis of the rotating shaft 16 as the axis, a storage box 14 is connected to the base 11 and used for storing teaching tools, and a box cover 15 is hinged to the top of the storage box 14 and used for shielding the top of the storage box 14.
As shown in fig. 2 and 3, the first adjusting mechanism 2 is connected between the base 11 and the casing 12, the first adjusting mechanism 2 includes a box 21 connected to the top of the base 11, an internal thread sleeve 23 is rotatably connected to the box 21, an internal thread of the internal thread sleeve 23 is connected to a threaded rod 22, the bottom end of the threaded rod 22 extends into the base 11 and is connected to a gear 28, the top end of the threaded rod 22 extends out of the top of the internal thread sleeve 23 and is connected to a mounting seat 24, the top of the mounting seat 24 is connected to the bottom of the casing 12, the first adjusting mechanism 2 further includes a pull rod 25 inserted in the front side of the base 11, a locking portion 27 is connected to the rear end of the pull rod 25, an elongated latch is provided on the rear side of the locking portion 27, the latch is engaged with the outer side of the gear 28, an elastic member 26 is connected between the locking portion 27 and the inner wall of the base 11, the elastic member 26 may be a spring, the elastic member 26 is a spring, the elastic member is a piece or other member having an elastic function, in this embodiment, the locking portion 27 can be tightly engaged with the gear 28, the outer side of the internal thread sleeve 23 is provided with a worm wheel 29, and the front side of the worm wheel 21 is connected to the worm 210, and the worm 210 is engaged with the worm 210.
The rotating worm 210 and the worm wheel 29 are meshed for transmission, so that the internal thread sleeve 23 rotates, at the moment, the threaded rod 22 cannot rotate through the clamping connection of the gear 28 and the locking part 27, so that the threaded rod 22 moves up and down under the driving of the internal thread sleeve 23, at the moment, the gear 28 moves up and down along the clamping teeth on the locking part 27, the shell 12 is driven to move up and down through the up and down movement of the threaded rod 22, the display screen 13 is driven to adjust in height, the pull rod 25 is pulled forward to drive the locking part 27 to be separated from the gear 28 and press the elastic piece 26, at the moment, the worm 210 is driven, the threaded rod 22 loses the limitation between the locking part 27 and the gear 28, at the moment, the threaded rod 22 is driven by the internal thread sleeve 23 to rotate, and the display screen 13 is driven to rotate left and right, and the demonstration angle of the display screen 13 is adjusted left and right, so that students can watch conveniently.
As shown in fig. 2 and fig. 4, the second adjusting mechanism 3 includes a supporting portion 31 connected to the upper end of the rear side of the housing 12 and a limiting sliding rail 33 connected to the upper end of the rear side of the display screen 13, the top of the supporting portion 31 is provided with an automatic telescopic component 32, the automatic telescopic component 32 may be an electric telescopic rod, an air cylinder, a hydraulic cylinder or other components capable of automatically telescoping, in this embodiment, the automatic telescopic component 32 is an air cylinder, the telescopic end of the automatic telescopic component 32 is hinged with a limiting sliding seat 34, and the limiting sliding seat 34 is in limiting sliding connection with the inner side of the limiting sliding rail 33.
The automatic telescopic component 32 is started to drive the limiting sliding seat 34 to slide in the limiting sliding rail 33, at the moment, the limiting sliding seat 34 rotates on the automatic telescopic component 32, and the display screen 13 can be driven to rotate by taking the rotating shaft 16 as the axis through the limiting sliding rail 33, so that the front and back overturning of the display screen 13 is realized, and the phenomenon that the display screen 13 reflects light to influence the watching of students is avoided.
As shown in fig. 5-7, the cleaning mechanism 4 includes a first wind-up roller 41 rotatably connected to the inner top side of the casing 12, a second wind-up roller 45 rotatably connected to the inner bottom side of the casing 12, and guide assemblies 44 connected to the left and right sides of the inner wall of the casing 12, a reset member is connected between the first wind-up roller 41 and the casing 12, the reset member may be a torsion spring or other member (not shown in the drawings) capable of driving the first wind-up roller 41 to automatically reset, the first wind-up roller 41 is provided with a dust-proof part 42, the dust-proof part 42 may be a dust-proof cloth, a dust-proof curtain or other member having shielding and dust-proof functions, in this embodiment, the dust-proof part 42 is a dust-proof curtain, the bottom end of the dust-proof part 42 is connected with a cleaning part 43, two ends of the cleaning part 43 are respectively and slidably connected to two guide assemblies 44, the rear side of the cleaning part 43 can be connected to the front side of the display 13, the cleaning part 43 is composed of a long plate made of plastic material and a sponge disposed at the rear side of the long plate, wherein the sponge is in contact with the front side of the display 13, the wind-up roller 45 is provided with a dust-proof part 42, the second wind-proof part 45 is connected to a rope 47, and a driving rope 46 is connected to the driving mechanism 46 is connected to the bottom of the casing 4, and the dust-proof part 46 is further connected to the driving mechanism 46.
The start driving source 46 can drive the second wind-up roller 45 to rotate and wind up or unwind the connecting rope 47, when winding up the connecting rope 47, the connecting rope 47 pulls the dustproof part 42, so that the first wind-up roller 41 unwinds the dustproof part 42, at the moment, the dustproof part 42 slowly covers the display screen 13 and drives the cleaning part 43 to move downwards, dust on the front side of the display screen 13 is cleaned in the process that the cleaning part 43 moves downwards, when the connecting rope 47 unwinds, the first wind-up roller 41 rotates under the action of the reset component, so that the dustproof part 42 winds up, so that the display screen 13 is exposed to the outside for learning to watch, and meanwhile, the cleaning part 43 is driven to move upwards and clean the front side of the display screen 13 again.
Working principle: when the height of the display screen 13 needs to be adjusted, the rotating worm 210 is meshed with the worm wheel 29 to drive the internal thread sleeve 23 to rotate, at the moment, the threaded rod 22 is not rotated by the clamping connection of the gear 28 and the locking part 27, so that the threaded rod 22 moves up and down under the driving of the internal thread sleeve 23, at the moment, the gear 28 moves up and down along the clamping teeth on the locking part 27, the shell 12 is driven to move up and down by the up and down movement of the threaded rod 22, the display screen 13 is driven to be adjusted in height, when the left and right angles of the display screen 13 are adjusted, the pull rod 25 is pulled forward to drive the locking part 27 to be separated from the gear 28 and press the elastic piece 26, at the moment, the worm 210 is driven, the threaded rod 22 loses the limitation between the locking part 27 and the gear 28, at the moment, the threaded rod 22 is driven by the internal thread sleeve 23 to rotate, so that the display screen 13 is driven to rotate left and right, when the front side of the display screen 13 needs to be cleaned, the driving source 46 is started to drive the second winding roller 45 to rotate and wind up or unwind the connecting rope 47, when the connecting rope 47 winds up, the connecting rope 47 pulls the dustproof part 42, so that the first winding roller 41 unwinds the dustproof part 42, at the moment, the dustproof part 42 slowly covers the display screen 13 and drives the cleaning part 43 to move downwards, dust on the front side of the display screen 13 is cleaned in the process of the downward movement of the cleaning part 43, when the display screen 13 reflects light, the automatic telescopic part 32 is started to drive the limit sliding seat 34 to slide in the limit sliding rail 33, at the moment, the limit sliding seat 34 rotates on the automatic telescopic part 32, and the limit sliding rail 33 can drive the display screen 13 to rotate around the rotating shaft 16 to realize front-back overturning of the display screen 13 until the display screen 13 does not reflect light any more.
Claims (10)
1. An wisdom teaching presentation device, characterized in that includes:
the demonstration mechanism (1), the demonstration mechanism (1) comprises a display screen (13), and the display screen (13) is used for playing the demonstration picture;
the device comprises a demonstration mechanism (1), and is characterized in that the demonstration mechanism (1) is connected with the demonstration mechanism, the first regulation mechanism (2) can drive a display screen (13) to move up and down or rotate left and right, the first regulation mechanism (2) comprises an inner thread sleeve (23), a threaded rod (22), a gear (28) and a locking part (27), the threaded rod (22) is in threaded connection with the inner side of the inner thread sleeve (23), the locking part (27) can be in clamping connection with the gear (28), the gear (28) is connected with the bottom end of the threaded rod (22), the inner thread sleeve (23) rotates under the clamping effect of the gear (28) and the locking part (27) so that the threaded rod (22) moves up and down, and the gear (28) and the locking part (27) can drive the threaded rod (22) to rotate synchronously when the gear (28) is not in clamping connection.
2. The intelligent teaching demonstration apparatus of claim 1, wherein: the first adjusting mechanism (2) further comprises a worm wheel (29) and a worm (210), the worm wheel (29) is connected to the inner threaded sleeve (23), the worm (210) is connected with the worm wheel (29) in a meshed mode, and meshed transmission between the worm (210) and the worm wheel (29) is driven to provide power for rotation of the inner threaded sleeve (23).
3. The intelligent teaching demonstration apparatus of claim 1, wherein: the locking part (27) is connected with a pull rod (25) and an elastic piece (26), the pull rod (25) is pulled to drive the locking part (27) to move, and the elastic piece (26) can drive the locking part (27) to reset.
4. The intelligent teaching demonstration apparatus of claim 1, wherein: the demonstration mechanism (1) comprises a base (11) and a shell (12), wherein a rotating shaft (16) is rotatably connected to the inner side of the shell (12), a connecting piece (17) is connected to the rotating shaft (16), and the display screen (13) is located on the inner side of the shell (12) and connected with the connecting piece (17).
5. The intelligent teaching demonstration apparatus of claim 4, wherein: the base (11) is connected with a storage box (14) for storing teaching aids, and the top of the storage box (14) is connected with a box cover (15) for sealing the top of the storage box (14).
6. The intelligent teaching demonstration apparatus of claim 1, wherein: the demonstration mechanism (1) is connected with a second adjusting mechanism (3), and the second adjusting mechanism (3) can drive the display screen (13) to rotate back and forth.
7. The intelligent teaching demonstration apparatus of claim 6, wherein: the second adjusting mechanism (3) comprises an automatic telescopic part (32) and a limiting sliding rail (33) connected to the display screen (13), a limiting sliding seat (34) is hinged to the telescopic end of the automatic telescopic part (32), and the limiting sliding seat (34) is limited to slide on the inner side of the limiting sliding rail (33).
8. The intelligent teaching demonstration apparatus of claim 1, wherein: the demonstration mechanism (1) is also connected with a cleaning mechanism (4), and the cleaning mechanism (4) can clean dust on the front side of the display screen (13).
9. The intelligent teaching demonstration apparatus of claim 8, wherein: the cleaning mechanism (4) comprises a first winding roller (41) and a second winding roller (45), a dustproof part (42) is connected to the first winding roller (41), a connecting rope (47) is connected to the second winding roller (45), one end of the connecting rope (47) is connected with the bottom of the dustproof part (42), the cleaning part (43) is connected to the bottom of the dustproof part (42), the second winding roller (45) can pull the dustproof part (42) to the connecting rope (47) so that the first winding roller (41) unwinds the dustproof part (42), dust on the front side of the display screen (13) is cleaned by the cleaning part (43), and meanwhile the dustproof part (42) is shielded on the front side of the display screen (13).
10. The intelligent teaching demonstration apparatus of claim 9, wherein: the cleaning mechanism (4) further comprises a guide assembly (44) for guiding the cleaning portion (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321259547.4U CN219828314U (en) | 2023-05-23 | 2023-05-23 | Wisdom teaching presentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321259547.4U CN219828314U (en) | 2023-05-23 | 2023-05-23 | Wisdom teaching presentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219828314U true CN219828314U (en) | 2023-10-13 |
Family
ID=88282064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321259547.4U Active CN219828314U (en) | 2023-05-23 | 2023-05-23 | Wisdom teaching presentation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219828314U (en) |
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2023
- 2023-05-23 CN CN202321259547.4U patent/CN219828314U/en active Active
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