CN112780892B - Multi-angle teaching equipment with voice prompt for computer - Google Patents
Multi-angle teaching equipment with voice prompt for computer Download PDFInfo
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- CN112780892B CN112780892B CN202011613636.5A CN202011613636A CN112780892B CN 112780892 B CN112780892 B CN 112780892B CN 202011613636 A CN202011613636 A CN 202011613636A CN 112780892 B CN112780892 B CN 112780892B
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- 230000007246 mechanism Effects 0.000 claims abstract description 81
- 238000006073 displacement reaction Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009826 distribution Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/045—Allowing translations adapted to left-right translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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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
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electrically Operated Instructional Devices (AREA)
Abstract
The invention relates to the field of teaching equipment, in particular to multi-angle teaching equipment with voice prompt for a computer, which comprises a box body, wherein an upper driving mechanism and a lower driving mechanism are arranged on one side of the inner wall of the box body, and an intermittent rotating mechanism is arranged on the side of the upper driving mechanism and the lower driving mechanism; the upper end of intermittent type slewing mechanism is provided with dismantles installation mechanism, and the top of dismantling installation mechanism is provided with angle adjustment mechanism, and angle adjustment mechanism's side top is provided with left right displacement mechanism, controls and installs the teaching display screen in the displacement mechanism, and the teaching display screen is connected with voice module. The invention is provided with an up-down driving mechanism and an intermittent rotating mechanism, can adjust the height position when in use, can intermittently move when being displayed all around, and can provide enough time for listening or watching and also ensure no dead angle of display. The invention is provided with an angle adjusting mechanism and a left-right moving mechanism, when in use, the rotating plate realizes the angle adjustment, the mounting plate moves left and right to adjust the position, and the applicability is stronger.
Description
Technical Field
The invention relates to the field of teaching equipment, in particular to multi-angle teaching equipment with voice prompt for a computer.
Background
The current teaching equipment often needs 2D or plane 3D image to demonstrate when teaching, needs to show the different angles of model to listening person or student, needs the manual rotation of the person of imparting knowledge to students and upset display screen to show the visual transmission of different angles.
Among the prior art, teaching equipment just can hardly change in the fixed back position of installation, if the installation angle goes wrong, needs manual regulation, complex operation. Meanwhile, the proper positions are required to be adjusted in height and left and right positions to realize the optimal display angle, when the number of listeners or students is large, the teaching equipment can be placed in the middle and also needs to rotate around, and the continuous rotation of the equipment can easily cause untimely listening or watching.
Disclosure of Invention
In order to solve the above mentioned drawbacks in the background art, the present invention provides a multi-angle teaching apparatus with voice prompt for a computer.
The purpose of the invention can be realized by the following technical scheme:
a multi-angle teaching device with voice prompt for a computer comprises a box body, wherein an up-and-down driving mechanism is arranged on one side of the inner wall of the box body, and an intermittent rotating mechanism is arranged on the side of the up-and-down driving mechanism;
intermittent type slewing mechanism's upper end is provided with dismantles installation mechanism, and the top of dismantling installation mechanism is provided with angle adjustment mechanism, and angle adjustment mechanism's side top is provided with left right displacement mechanism, controls and installs the teaching display screen in the displacement mechanism, and the teaching display screen is connected with voice module.
Furthermore, a cover plate is detachably mounted at the upper end of the box body, a through hole is formed in one side of the upper end of the cover plate, and a plurality of first arc-shaped grooves are formed in the outer side of the through hole;
the upper and lower driving mechanism comprises a side bottom plate fixed on the side wall of one end of the box body, the upper and lower side ends of the side bottom plate are both fixed with side supporting plates, the bottom of the side supporting plate positioned below is fixed with a first motor, the output end of the first motor is fixed with a first lead screw, and a first lead screw nut is arranged on the first lead screw in a sliding manner;
the two sides of the first lead screw are respectively provided with a sliding rail fixed on the side bottom plate, a sliding block is arranged on the sliding rail, and a bearing support plate is fixed on the sliding block and the first lead screw nut.
Furthermore, the intermittent rotation mechanism comprises a second motor fixed on the side wall of the bearing support plate, a sheave driving wheel is arranged above the second motor, a first rotating rod fixedly connected with the output end of the second motor is fixed at the center of the bottom end of the sheave driving wheel, an avoiding groove is formed in the side wall of the upper end of the sheave driving wheel, and a poking column is arranged on the side of the sheave driving wheel.
Further, the side of sheave driving wheel is provided with the sheave dish that highly equals with the sheave driving wheel, and the lateral wall of sheave dish is opened the arc breach that has a plurality of array distributions and tangent setting of sheave driving wheel, all is provided with between the arc breach and dials post matched with U type groove, and the central point of sheave dish puts and is fixed with the second dwang, and second dwang below is provided with the pneumatic cylinder of fixing at the box diapire, and the pneumatic cylinder on the pneumatic cylinder is rotated with the bottom of second dwang and is connected.
Furthermore, the disassembling and installing mechanism comprises a supporting bottom plate, a plurality of arc-shaped plates in limit fit with the first arc-shaped grooves are arranged on the side wall of the supporting bottom plate, a sleeve is rotatably connected to the center of the supporting bottom plate, the sleeve is in through fit with the through hole, and the bottom end of the sleeve is fixedly connected with the upper end of the second rotating rod;
the upper end of the sleeve is provided with a first cavity and a second cavity from top to bottom, the diameter of the second cavity is larger than that of the first cavity, the side wall of the first cavity is provided with a first limiting groove which is distributed in an array and penetrates through the first cavity from top to bottom, the side wall of the second cavity is provided with a second limiting groove which is distributed in an array and does not penetrate through the second cavity from bottom to top, the first limiting groove and the second limiting groove are identical in structure, and the bottom wall of the second cavity is fixedly provided with a compression spring in a compression state.
Furthermore, a sleeve rod is arranged above the sleeve, a limiting block which is in sliding fit with the first limiting groove and the second limiting groove is fixed at the bottom end, close to the side wall, of the sleeve rod, a polygonal block is arranged at the top end of the sleeve rod, a threaded hole is formed in the upper end of the polygonal block, a screw rod is in threaded connection with the threaded hole, a blocking piece is arranged at the upper end of the screw rod, and the diameter of the blocking piece is larger than the diameter of the cross section of the polygonal block.
Furthermore, angle adjustment mechanism includes the bed plate, blocks the bottom laminating of piece on the bed plate, and open upper end one side of bed plate has the polygon that leads to the groove with the spacing complex of polygon piece, and the side that the polygon led to the groove is opened has the second arc wall with arc normal running fit, and the second arc wall is seted up in the bottom of bed plate.
Furthermore, a first support and a second support are respectively fixed on two sides of the upper end of the base plate, a third motor is installed on one side of the upper end of the first support, a third lead screw which is rotatably arranged between the first support and the second support is fixed at the output end of the third motor, and a third lead screw nut is slidably arranged on the third lead screw;
the side of the third screw is provided with a guide rod fixed between the first support and the second support, a guide rod sliding block is arranged on the guide rod in a sliding mode, a movable plate is fixed at the upper ends of the guide rod sliding block and the third screw nut, a first rotating plate is arranged on the side of the movable plate, a connecting plate is arranged between the first rotating plate and the movable plate, two ends of the connecting plate are respectively connected with the first rotating plate and the movable plate in a rotating mode through rotating pairs, a connecting side plate is fixed at the bottom end of the first rotating plate, and the connecting side plate is connected with the second support in a rotating mode through a connecting side rod.
Furthermore, the left-right displacement mechanism comprises a mounting plate arranged on the side of the first rotating plate, two sides of the mounting plate are provided with penetrating T-shaped grooves, the bottom end of the mounting plate is provided with a limiting rectangular groove, the side wall of the upper end of the mounting plate is provided with a limiting baffle, and the teaching display screen is arranged between the limiting baffles and is positioned through a rubber pad;
the utility model discloses a motor, including mounting panel, eccentric position, second rotor, the bottom of second rotor is provided with the axis of rotation, the bottom mounting of axis of rotation has first gear, the side meshing of first gear has the second gear, the bottom of second gear and the output fixed connection of fourth motor, first gear and second gear rotate to be connected in the upper end of first rotor, fourth motor fixed connection is at the lower extreme of first rotor.
Furthermore, a supporting support plate is arranged on the side of the mounting plate, a T-shaped block in sliding fit with the T-shaped groove is arranged at one end of the supporting support plate, a supporting pillar is arranged at the bottom end of the supporting support plate, and the supporting pillar is fixed on the first rotating plate.
The invention has the beneficial effects that:
1. the invention is provided with an up-and-down driving mechanism and an intermittent rotating mechanism, when in use, the first motor is driven, the bearing support plate can move up and down by being driven by the first lead screw nut, the second motor is driven, the shifting column enters and exits among the U-shaped grooves, and then the sheave disc is driven to rotate intermittently, the position of the height can be adjusted, meanwhile, the intermittent motion can be realized when the display is performed on the periphery, so that sufficient time is provided for listening or watching, and no dead angle of the display is ensured;
2. the angle adjusting mechanism and the left-right moving mechanism are designed, when the angle adjusting mechanism is used, the third motor is driven, the third lead screw drives the third lead screw nut and the guide rod slider to further drive the moving plate to move, in the moving process of the moving plate, the first rotating plate realizes angle adjustment, the fourth motor is driven, the first gear and the second gear are meshed to drive the second rotating plate to rotate, and the mounting plate is driven to move left and right to adjust the position while the second rotating plate rotates, so that the teaching display screen is displayed at the most proper angle, and the applicability is stronger;
3. the invention is provided with a dismounting and mounting mechanism which comprises a sleeve, a loop bar and a compression spring, the position of the loop bar is fixed by the rotation of the sleeve and the loop bar, the angle adjusting mechanism is convenient to dismount and mount, and the operation is convenient.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts;
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the cover plate structure of the present invention;
FIG. 3 is a schematic view of the connection between the up-down driving mechanism and the intermittent rotation mechanism according to the present invention;
FIG. 4 is a schematic view of the up and down drive mechanism of the present invention;
FIG. 5 is a schematic view of an intermittent rotation mechanism of the present invention;
FIG. 6 is a schematic view of the detachment mounting mechanism of the present invention;
FIG. 7 is a schematic view of the internal structure of the sleeve of the present invention;
FIG. 8 is a schematic cross-sectional view of a sleeve and stem connection of the present invention;
FIG. 9 is a schematic view of a shank and screw connection of the present invention;
FIG. 10 is a schematic view of the angle adjustment mechanism of the present invention;
FIG. 11 is a schematic view of the angle adjustment mechanism of the present invention;
FIG. 12 is a schematic view of the left and right displacement mechanism of the present invention;
FIG. 13 is a schematic view of the second rotating plate and first gear connection of the present invention;
FIG. 14 is a schematic view of a support plate of the present invention;
FIG. 15 is a schematic view of the connection of the lateral displacement mechanism and the teaching display of the present invention.
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.
As shown in fig. 1-15, a multi-angle teaching device with voice prompt for computer comprises a box body 1, wherein an up-and-down driving mechanism 2 is arranged on one side of the inner wall of the box body 1, and an intermittent rotating mechanism 3 is arranged on the side of the up-and-down driving mechanism 2. Intermittent type slewing mechanism 3's upper end is provided with dismantles installation mechanism 4, and the top of dismantling installation mechanism 4 is provided with angle adjustment mechanism 5, and angle adjustment mechanism 5's side top is provided with left right displacement mechanism 6, controls and installs teaching display screen 7 in the displacement mechanism 6, and teaching display screen 7 is connected with voice module, and voice module is used for voice broadcast, and when using, teaching display screen 7 connects the computer.
As shown in fig. 1-4, a cover plate 11 is detachably mounted at the upper end of the box body 1, a through hole 12 is formed at one side of the upper end of the cover plate 11, and a plurality of first arc-shaped grooves 13 are formed at the outer side of the through hole 12.
The up-down driving mechanism 2 comprises a side bottom plate 21 fixed on the side wall of one end of the box body 1, side supporting plates 22 are fixed on the upper and lower side ends of the side bottom plate 21, a first motor 23 is fixed at the bottom of the side supporting plate 22 positioned below, a first lead screw 24 is fixed on the output end of the first motor 23, and a first lead screw nut 25 is slidably arranged on the first lead screw 24; the two sides of the first lead screw 24 are both provided with slide rails 26 fixed on the side bottom plate 21, the slide rails 26 are provided with slide blocks 27, and the slide blocks 27 and the first lead screw nut 25 are fixed with bearing support plates 28.
By driving the first motor 23, the supporting plate 28 can be moved up and down by the first lead screw nut 25.
As shown in fig. 1 and 5, the intermittent rotation mechanism 3 includes a second motor 31 fixed on the side wall of the receiving support plate 28, a sheave driving wheel 32 is arranged above the second motor 31, a first rotation rod 321 fixedly connected with the output end of the second motor 31 is fixed at the center of the bottom end of the sheave driving wheel 32, a receiving groove 322 is formed on the side wall of the upper end of the sheave driving wheel 32, and a toggle column 33 is arranged on the side of the sheave driving wheel 32.
The side of the sheave driving wheel 32 is provided with a sheave disc 34 with the same height as the sheave driving wheel 32, the side wall of the sheave disc 34 is provided with a plurality of arc-shaped notches 341 distributed in an array and arranged tangentially with the sheave driving wheel 32, U-shaped grooves 342 matched with the poking columns 33 are arranged between the arc-shaped notches 341, the center of the sheave disc 34 is fixed with a second rotating rod 343, a pneumatic cylinder 35 fixed on the bottom wall of the box body 1 is arranged below the second rotating rod 343, and a pneumatic rod 351 on the pneumatic cylinder 35 is rotatably connected with the bottom end of the second rotating rod 343.
Through driving second motor 31, sheave driving wheel 32 rotates and drives and dials post 33 and rotate and tangent with U type groove 342, dials post 33 and passes in and out between each U type groove 342, and then drives groove wheel dish 34 and realizes intermittent type and rotate, simultaneously through driving first motor 23 and pneumatic cylinder 35, can drive groove wheel dish 34 and reciprocate.
As shown in fig. 6-9, the detaching and installing mechanism 4 includes a supporting base plate 40, a plurality of arc plates 401 which are in limit fit with the first arc-shaped groove 13 are disposed on the side wall of the supporting base plate 40, a sleeve 41 is rotatably connected to the central position of the supporting base plate 40, the sleeve 41 is in through fit with the through hole 12, and the bottom end of the sleeve 41 is fixedly connected to the upper end of the second rotating rod 343. The supporting bottom plate 40 and the sleeve 41 are rotatably connected by a bearing, and when the supporting bottom plate 40 is pressed down by pressure, the vertical height positions of the supporting bottom plate 40 and the sleeve 41 are not changed.
The upper end of sleeve 41 has from top to bottom opened first cavity 411 and second cavity 412, the diameter of second cavity 412 is greater than the diameter of first cavity 411, the lateral wall of first cavity 411 is opened and is had the first spacing groove 4111 that from top to bottom runs through of array distribution, the lateral wall of second cavity 412 is opened and is had the second spacing groove 4112 that from bottom to top does not run through of array distribution, the structure of first spacing groove 4111 and second spacing groove 4112 is the same, the diapire of second cavity 412 is fixed with the pressure spring 42 that is in compression state.
A loop bar 43 is arranged above the sleeve 41, a limiting block 431 in sliding fit with the first limiting groove 4111 and the second limiting groove 4112 is fixed at the bottom end of the loop bar 43 close to the side wall, a polygonal block 44 is arranged at the top end of the loop bar 43, a threaded hole 441 is formed at the upper end of the polygonal block 44, a screw 45 is connected with the threaded hole 441 in a threaded manner, a blocking piece 451 is arranged at the upper end of the screw 45, and the diameter of the blocking piece 451 is larger than the cross section diameter of the polygonal block 44.
When the telescopic rod is used, the sleeve rod 43 is firstly inserted into the sleeve 41, the first limiting groove 4111 is matched with the limiting block 431, the limiting block 431 is continuously pressed downwards, the compression spring 42 is continuously compressed, the limiting block 431 completely penetrates through the first limiting groove 4111 and then rotates the sleeve rod 43 by a certain angle, the compression spring 42 retracts, and then the limiting block 431 is matched with the second limiting groove 4112 to fix the position of the sleeve rod 43. Meanwhile, the angle adjusting mechanism 5 is convenient to disassemble and assemble.
As shown in fig. 1, 10 and 11, the angle adjusting mechanism 5 includes a base plate 51, the bottom end of the blocking piece 451 is attached to the base plate 51, a polygonal through slot 511 which is in limit fit with the polygonal block 44 is formed on one side of the upper end of the base plate 51, a second arc-shaped slot 512 which is in running fit with the arc-shaped plate 401 is formed on the side of the polygonal through slot 511, and the second arc-shaped slot 512 is formed at the bottom end of the base plate 51.
During the use, the rigidity of loop bar 43 back, places the bed plate 51 on arc 401 for arc 401 and the cooperation of second arc 512, at this moment, the gravity of bed plate 51 upper end makes pressure spring 42 compress, but the stroke of compression is less, and stopper 431 and second spacing groove 4112 do not break away from, screws up screw 45 at last, makes block piece 451 laminate on the bed plate 51, the rigidity of bed plate 51 and loop bar 43.
When the angle adjusting mechanism is used, the sheave disc 34 rotates intermittently to drive the base plate 51 and the loop bar 43 to rotate intermittently, so that the angle adjusting mechanism 5 is driven to rotate integrally, and the arc-shaped plate 401 plays a role in supporting.
A first bracket 52 and a second bracket 53 are respectively fixed on two sides of the upper end of the base plate 51, a third motor 54 is installed on one side of the upper end of the first bracket 52, a third lead screw 541 which is rotatably arranged between the first bracket 52 and the second bracket 53 is fixed at the output end of the third motor 54, and a third lead screw nut 542 is slidably arranged on the third lead screw 541;
a guide rod 55 fixed between the first bracket 52 and the second bracket 53 is arranged on the side of the third lead screw 541, a guide rod slider 551 is arranged on the guide rod 55 in a sliding manner, a moving plate 56 is fixed at the upper ends of the guide rod slider 551 and the third lead screw nut 542, a first rotating plate 57 is arranged on the side of the moving plate 56, a connecting plate 58 is arranged between the first rotating plate 57 and the moving plate 56, two ends of the connecting plate 58 are respectively rotatably connected with the first rotating plate 57 and the moving plate 56 through a revolute pair, a connecting side plate 532 is fixed at the bottom end of the first rotating plate 57, and the connecting side plate 532 is rotatably connected with the second bracket 53 through a connecting side rod 531.
In use, by driving the third motor 54, the third lead screw 541 drives the third lead screw nut 542 and the guide bar slider 551 to further drive the moving plate 56 to move, and the first rotating plate 57 adjusts the angle during the moving of the moving plate 56.
As shown in fig. 12-15, the left-right displacement mechanism 6 includes a mounting plate 61 disposed at the side of the first rotation plate 57, two sides of the mounting plate 61 are provided with a T-shaped groove 611, a rectangular limiting groove 612 is formed at the bottom end of the mounting plate 61, a side wall at the upper end of the mounting plate 61 is provided with a limiting baffle plate 62, and the teaching display screen 7 is disposed between the limiting baffle plates 62 and is positioned by a rubber pad;
the second rotating plate 63 is arranged below the mounting plate 61, an eccentric column 631 matched with the limiting rectangular groove 612 is fixed at the eccentric position of the second rotating plate 63, a rotating shaft 632 is arranged at the bottom end of the second rotating plate 63, a first gear 64 is fixed at the bottom end of the rotating shaft 632, a second gear 65 is meshed with the side of the first gear 64, the bottom end of the second gear 65 is fixedly connected with the output end of the fourth motor 66, the first gear 64 and the second gear 65 are rotatably connected to the upper end of the first rotating plate 57, and the fourth motor 66 is fixedly connected to the lower end of the first rotating plate 57.
A support plate 67 is arranged on the side of the mounting plate 61, a T-shaped block 672 slidably matched with the T-shaped groove 611 is arranged at one end of the support plate 67, a support pillar 671 is arranged at the bottom end of the support plate 67, and the support pillar 671 is fixed on the first rotating plate 57.
When the teaching display screen device is used, the fourth motor 66 is driven, the first gear 64 and the second gear 65 are meshed to drive the second rotating plate 63 to rotate, the eccentric column 631 and the limiting rectangular groove 612 are in tangent fit while the second rotating plate 63 rotates, and the mounting plate 61 is driven to move left and right to adjust the position, so that the teaching display screen 7 can be displayed at the most appropriate angle.
When the multifunctional display device is actually applied, multi-angle display is realized by adjusting the height, the angle and the left and right positions and the intermittent motion mechanism, so that various requirements are met during actual teaching.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (7)
1. A multi-angle teaching device with voice prompt for a computer comprises a box body (1) and is characterized in that an up-and-down driving mechanism (2) is arranged on one side of the inner wall of the box body (1), and an intermittent rotating mechanism (3) is arranged on the side of the up-and-down driving mechanism (2);
a dismounting and mounting mechanism (4) is arranged at the upper end of the intermittent rotating mechanism (3), an angle adjusting mechanism (5) is arranged above the dismounting and mounting mechanism (4), a left-right displacement mechanism (6) is arranged above the angle adjusting mechanism (5), a teaching display screen (7) is arranged in the left-right displacement mechanism (6), and the teaching display screen (7) is connected with a voice module;
a cover plate (11) is detachably mounted at the upper end of the box body (1), a through hole (12) is formed in one side of the upper end of the cover plate (11), and a plurality of first arc-shaped grooves (13) are formed in the outer side of the through hole (12);
the up-down driving mechanism (2) comprises a side bottom plate (21) fixed on the side wall of one end of the box body (1), side supporting plates (22) are fixed on the upper side end and the lower side end of the side bottom plate (21), a first motor (23) is fixed at the bottom of the side supporting plate (22) located below, a first lead screw (24) is fixed at the output end of the first motor (23), and a first lead screw nut (25) is slidably arranged on the first lead screw (24);
sliding rails (26) fixed on the side bottom plate (21) are arranged on two sides of the first lead screw (24), a sliding block (27) is arranged on each sliding rail (26), and a bearing support plate (28) is fixed on each sliding block (27) and the first lead screw nut (25);
the disassembly and installation mechanism (4) comprises a supporting base plate (40), the side wall of the supporting base plate (40) is provided with a plurality of arc-shaped plates (401) which are in limit fit with the first arc-shaped grooves (13), the central position of the supporting base plate (40) is rotatably connected with a sleeve (41), the sleeve (41) is in through fit with the through hole (12), and the bottom end of the sleeve (41) is fixedly connected with the upper end of the second rotating rod (343);
the upper end of the sleeve (41) is provided with a first cavity (411) and a second cavity (412) from top to bottom, the diameter of the second cavity (412) is larger than that of the first cavity (411), the side wall of the first cavity (411) is provided with first limiting grooves (4111) which are distributed in an array and penetrate from top to bottom, the side wall of the second cavity (412) is provided with second limiting grooves (4112) which are distributed in an array and do not penetrate from bottom to top, the first limiting grooves (4111) and the second limiting grooves (4112) have the same structure, and the bottom wall of the second cavity (412) is fixedly provided with a compression spring (42) in a compression state;
the upper portion of sleeve (41) is provided with loop bar (43), the bottom end that loop bar (43) is close to the lateral wall is fixed with first spacing groove (4111), equal sliding fit's of second spacing groove (4112) stopper (431), the top of loop bar (43) is provided with polygon piece (44), open at the upper end of polygon piece (44) has screw hole (441), screw hole (441) female connection has screw rod (45), the upper end of screw rod (45) is equipped with blocks piece (451), the diameter that blocks piece (451) is greater than the cross section diameter of polygon piece (44).
2. The multi-angle teaching device with the voice prompt function for the computer according to claim 1, wherein the intermittent rotation mechanism (3) comprises a second motor (31) fixed on the side wall of the bearing support plate (28), a sheave driving wheel (32) is arranged above the second motor (31), a first rotation rod (321) fixedly connected with the output end of the second motor (31) is fixed at the center of the bottom end of the sheave driving wheel (32), an avoiding groove (322) is formed in the side wall of the upper end of the sheave driving wheel (32), and a toggle column (33) is arranged on the side of the sheave driving wheel (32).
3. The multi-angle teaching equipment with the voice prompt function for the computer according to claim 2, wherein a sheave disc (34) with the same height as the sheave driving wheel (32) is arranged on the side of the sheave driving wheel (32), a plurality of arc-shaped notches (341) distributed in an array and tangentially arranged with the sheave driving wheel (32) are formed in the side wall of the sheave disc (34), U-shaped grooves (342) matched with the poking columns (33) are formed between the arc-shaped notches (341), a second rotating rod (343) is fixed at the center of the sheave disc (34), a pneumatic cylinder (35) fixed at the bottom wall of the box body (1) is arranged below the second rotating rod (343), and a pneumatic rod (351) on the pneumatic cylinder (35) is rotatably connected with the bottom end of the second rotating rod (343).
4. The multi-angle teaching equipment with the voice prompt function for the computer according to claim 1, wherein the angle adjusting mechanism (5) comprises a base plate (51), the bottom end of the blocking piece (451) is attached to the base plate (51), a polygonal through groove (511) which is in limit fit with a polygonal block (44) is formed in one side of the upper end of the base plate (51), a second arc-shaped groove (512) which is in running fit with the arc-shaped plate (401) is formed in the side of the polygonal through groove (511), and the second arc-shaped groove (512) is formed in the bottom end of the base plate (51).
5. The multi-angle teaching equipment with voice prompt for the computer according to claim 4, wherein the two sides of the upper end of the base plate (51) are respectively fixed with a first bracket (52) and a second bracket (53), one side of the upper end of the first bracket (52) is provided with a third motor (54), the output end of the third motor (54) is fixed with a third lead screw (541) which is rotatably arranged between the first bracket (52) and the second bracket (53), and the third lead screw (541) is provided with a third lead screw nut (542) in a sliding way;
the side of the third lead screw (541) is provided with a guide rod (55) fixed between the first support (52) and the second support (53), the guide rod (55) is provided with a guide rod slider (551) in a sliding manner, the upper ends of the guide rod slider (551) and the third lead screw nut (542) are fixed with a movable plate (56), the side of the movable plate (56) is provided with a first rotating plate (57), a connecting plate (58) is arranged between the first rotating plate (57) and the movable plate (56), two ends of the connecting plate (58) are respectively connected with the first rotating plate (57) and the movable plate (56) in a rotating manner, the bottom end of the first rotating plate (57) is fixed with a connecting side plate (532), and the connecting side plate (532) is connected with the second support (53) in a rotating manner through a connecting side rod (531).
6. The multi-angle teaching equipment with the voice prompt function for the computer according to claim 5, wherein the left and right displacement mechanism (6) comprises a mounting plate (61) arranged on the side of the first rotating plate (57), T-shaped grooves (611) penetrating through the mounting plate (61) are formed in two sides of the mounting plate (61), a limiting rectangular groove (612) is formed in the bottom end of the mounting plate (61), limiting baffles (62) are arranged on the side wall of the upper end of the mounting plate (61), and the teaching display screen (7) is arranged between the limiting baffles (62) and is positioned through a rubber pad;
the utility model discloses a motor, including mounting panel (61), installation board (61), the below of mounting panel (61) is provided with second rotating plate (63), the eccentric position of second rotating plate (63) is fixed with eccentric post (631) with spacing rectangular channel (612) matched with, the bottom of second rotating plate (63) is provided with axis of rotation (632), the bottom mounting of axis of rotation (632) has first gear (64), the side meshing of first gear (64) has second gear (65), the bottom of second gear (65) and the output fixed connection of fourth motor (66), first gear (64) and second gear (65) rotate to be connected the upper end in first rotating plate (57), fourth motor (66) fixed connection is at the lower extreme of first rotating plate (57).
7. The multi-angle teaching equipment with the voice prompt function for the computer as claimed in claim 6, wherein a supporting support plate (67) is arranged on the side of the mounting plate (61), a T-shaped block (672) in sliding fit with the T-shaped groove (611) is arranged at one end of the supporting support plate (67), a supporting pillar (671) is arranged at the bottom end of the supporting support plate (67), and the supporting pillar (671) is fixed on the first rotating plate (57).
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| CN113864618B (en) * | 2021-10-11 | 2023-03-31 | 安徽大学江淮学院 | Computer display device assembly control system |
| CN114251549B (en) * | 2021-11-30 | 2024-06-25 | 彭宁 | Reading support with connection structure |
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