CN223004733U - A multimedia teaching device - Google Patents
A multimedia teaching device Download PDFInfo
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- CN223004733U CN223004733U CN202422396606.3U CN202422396606U CN223004733U CN 223004733 U CN223004733 U CN 223004733U CN 202422396606 U CN202422396606 U CN 202422396606U CN 223004733 U CN223004733 U CN 223004733U
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Abstract
The utility model relates to the technical field of teaching equipment and discloses multimedia teaching equipment, which comprises a base, wherein a fixing frame is fixedly arranged at the top end of the base. According to the utility model, the driven gears, the circular shafts, the moving rods and the driving gears are arranged, when the driving motor runs, the driving gears are meshed with the two driven gears, at the moment, the rotating shafts drive the two driven gears and the two rotating rods to rotate in opposite directions through the driving gears, meanwhile, the two circular shafts rotate in opposite directions under the driving of the two rotating rods, in the process, the two circular shafts squeeze and push the two moving rods, so that the moving rods drive the two vertical rods to move, and due to the limit of the two vertical grooves, the two vertical rods drive the two moving blocks to move upwards, and then the two moving blocks drive the display to move upwards through the two connecting blocks, so that the height of the display can be adjusted according to the height of a user.
Description
Technical Field
The utility model relates to the technical field of teaching equipment, in particular to multimedia teaching equipment.
Background
The multimedia teaching is characterized in that in the teaching process, modern teaching media are reasonably selected and applied through teaching design according to the characteristics of teaching targets and teaching objects, and the teaching media are organically combined with traditional teaching means to participate in the whole teaching process together, and various media information acts on students to form a reasonable teaching process structure so as to achieve the optimal teaching effect.
With the advent of the information technology era and the acceleration of education industry development, multimedia equipment is often used for the use of classroom teaching, and multimedia teaching equipment is the representative equipment of modernization teaching, and it makes teaching process dustless, intelligent, the convenience, more can let the teaching content that the student experienced intuitively, but the display of most multimedia teaching equipment on the market often carries out rigid connection with equipment through the bolt at present, this has just led to the teaching personnel unable to adjust the height of display, and the teaching personnel of different heights can cause inconveniently when using, and then reduced the suitability of product to also be unfavorable for the back student to watch, brought inconvenience for the daily use of teaching personnel, consequently need improve it.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides multimedia teaching equipment which has the advantage of being capable of adjusting the height of a display according to the height of a user.
In order to achieve the above purpose, the utility model provides a multimedia teaching device comprising:
The base is fixedly provided with a fixing frame at the top end, and a vertical groove is formed in the outer surface of the fixing frame;
the driving mechanism is arranged at the left side of the top end of the base;
The lifting mechanism is arranged at the top end of the base;
The lifting mechanism comprises an arc-shaped plate, a driven gear is movably sleeved on the outer surface of the front end of the arc-shaped plate, a driving gear is connected with the outer surface of the driven gear in a meshed mode, a rotary rod is fixedly arranged on the back face of the driven gear, the inner portion of the rotary rod is movably sleeved with the outer surface of the front end of the arc-shaped plate, a round shaft is fixedly sleeved in the inner portion of the other end of the rotary rod, a moving rod is movably connected with the outer surface of the rear end of the round shaft, the back face of the moving rod is movably connected with the front face of a fixing frame, vertical rods are fixedly arranged on the left side and the right side of the top end of the moving rod, a moving block is fixedly arranged on the top end of the back face of the vertical rod, connecting blocks are fixedly connected with the outer surfaces of the moving block and the inner sides of the vertical grooves, and the number of the connecting blocks is two, and a display is fixedly arranged between the connecting blocks.
As a preferred technical solution of the present utility model, the driving mechanism includes:
The bottom end of the driving motor is fixedly connected with the left side of the top end of the base, the other end of the output shaft of the driving motor is fixedly sleeved with a rotating shaft, and the other end of the rotating shaft is fixedly sleeved with the inside of the driving gear;
The support block, the bottom of support block and the top fixed connection of base, the inside of support block cup joints with the surface activity of rotation axis.
As a preferable technical scheme of the utility model, the left side and the right side of the fixing frame are fixedly provided with fixing rods, the inner parts of the fixing rods are movably sleeved with vertical shafts, and the outer surfaces of the vertical shafts are movably sleeved with white boards.
As a preferable technical scheme of the utility model, a fixed block is fixedly arranged at the rear of the top end of the base, a power motor is fixedly arranged at the top end inside the fixed block, and a screw rod is fixedly sleeved at the other end of the output shaft of the power motor.
As a preferable technical scheme of the utility model, the outer surface of the screw rod is in threaded sleeve connection with a movable block, the left side and the right side of the movable block are fixedly provided with long rods, and the front surfaces of the long rods are movably connected with the back surfaces of the fixing frames.
As a preferable technical scheme of the utility model, round blocks are fixedly arranged at the front ends of the left side and the right side of the long rod, a rotating shaft is movably sleeved in the round blocks, the top end of the rotating shaft is fixedly connected with the bottom end of the vertical shaft, a fixing ring is movably sleeved at the top end and the bottom end of the outer surface of the rotating shaft, and the outer surface of the fixing ring is fixedly connected with the outer surface of the fixing frame.
As a preferable technical scheme of the utility model, a spiral groove is formed on the outer surface of the rotating shaft, an extrusion block is movably connected in the spiral groove, and the outer surface of the extrusion block is fixedly connected with the inner part of the round block.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the driven gears, the circular shafts, the moving rods and the driving gears are arranged, when the driving motor runs, the driving gears are meshed with the two driven gears, at the moment, the rotating shafts drive the two driven gears and the two rotating rods to rotate in opposite directions through the driving gears, meanwhile, the two circular shafts rotate in opposite directions under the driving of the two rotating rods, in the process, the two circular shafts squeeze and push the two moving rods, so that the moving rods drive the two vertical rods to move, and due to the limit of the two vertical grooves, the two vertical rods drive the two moving blocks to move upwards, and then the two moving blocks drive the display to move upwards through the two connecting blocks, so that the height of the display can be adjusted according to the height of a user.
2. According to the utility model, the screw rod, the movable block, the spiral groove and the extrusion block are arranged, when the power motor runs, the screw rod rotates at the moment, and the screw rod is in threaded sleeve joint with the movable block, so that the screw rod drives the two long rods to upwards along the back surface of the fixing frame through the movable block, then the two round blocks are driven by the two long rods to upwards along the two rotating shafts, meanwhile, the two round blocks drive the two extrusion blocks to extrude the two spiral grooves, at the moment, the two rotating shafts rotate in opposite directions by taking the movable sleeve joint part of the two fixed rings as the axle center, then the two rotating shafts drive the two white boards to rotate in opposite directions through the two vertical shafts, and at the moment, the two white boards are unfolded in the opposite directions, so that the function of automatically unfolding the two white boards is realized, and teaching personnel can conveniently write and mark teaching key points.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a back view structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
FIG. 4 is a schematic cross-sectional view of a drive motor according to the present utility model;
FIG. 5 is a schematic cross-sectional view of the holder of the present utility model;
Fig. 6 is a schematic cross-sectional view of the rotary shaft of the present utility model.
In the figure, 1, a base; 2, a fixed frame, 3, a vertical groove, 4, an arc plate, 5, a driven gear, 6, a rotary rod, 7, a circular shaft, 8, a motion rod, 9, a vertical rod, 10, a motion block, 11, a connecting block, 12, a display, 13, a driving motor, 14, a rotary shaft, 15, a supporting block, 16, a fixed rod, 17, a vertical shaft, 18, a white board, 19, a fixed block, 20, a power motor, 21, a screw, 22, a movable block, 23, a long rod, 24, a circular block, 25, a rotary shaft, 26, a fixed ring, 27, a spiral groove, 28, an extrusion block, 29 and a driving gear.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 6, the present utility model provides a multimedia teaching apparatus, comprising:
The base 1, the top of the base 1 is fixedly provided with a fixing frame 2, and the outer surface of the fixing frame 2 is provided with a vertical groove 3;
the driving mechanism is arranged at the left side of the top end of the base 1;
The lifting mechanism is arranged at the top end of the base 1;
Wherein, elevating system is including arc 4, the surface activity of arc 4 front end has cup jointed driven gear 5, driven gear 5's surface meshing is connected with drive gear 29, driven gear 5's back fixed mounting has rotary rod 6, rotary rod 6's inside cup joints with arc 4 front end's surface activity, rotary rod 6's inside fixed circular shaft 7 of cup jointing has, circular shaft 7 rear end's surface swing joint has movable rod 8, movable rod 8's the back and the positive swing joint of mount 2, the equal fixed mounting in left and right sides on movable rod 8 top montant 9, the top fixed mounting on montant 9 back has movable block 10, movable block 10's surface and the inside swing joint of perpendicular groove 3, movable block 10's rear end fixed mounting has connecting block 11, the quantity of connecting block 11 is two, fixed mounting has display 12 between two connecting blocks 11.
Because the two driven gears 5 of the driving gear 29 are in meshed connection, when the driving gear 29 rotates, the two driven gears 5 drive the two rotating rods 6 to rotate in opposite directions, at this time, the two circular shafts 7 are driven by the two rotating rods 6 to rotate in opposite directions, due to the design of the two circular shafts 7, the two circular shafts 7 squeeze the inside of the moving rod 8 in opposite directions, so that the moving rod 8 drives the two vertical rods 9 to move, and due to the limit of the two vertical grooves 3, the two vertical rods 9 drive the two moving blocks 10 to move upwards, and then the two moving blocks 10 drive the display 12 to move upwards as a whole through the two connecting blocks 11.
Wherein, actuating mechanism includes:
The bottom end of the driving motor 13 is fixedly connected with the left side of the top end of the base 1, the other end of the output shaft of the driving motor 13 is fixedly sleeved with a rotating shaft 14, and the other end of the rotating shaft 14 is fixedly sleeved with the inside of a driving gear 29;
The bottom of the supporting block 15 is fixedly connected with the top of the base 1, and the inside of the supporting block 15 is movably sleeved with the outer surface of the rotating shaft 14.
When the driving motor 13 operates, the rotation shaft 14 will drive the driving gear 29 to rotate at this time, and due to the design of the supporting block 15, the rotation shaft 14 will have a supporting effect, so that the rotation shaft 14 is more stable during rotation.
Wherein, both sides of the fixed frame 2 are fixedly provided with a fixed rod 16, a vertical shaft 17 is movably sleeved in the fixed rod 16, and a white board 18 is movably sleeved on the outer surface of the vertical shaft 17.
The vertical shaft 17 is movably sleeved with the inside of the fixed rod 16, so that the vertical shaft 17 can drive the whiteboard 18 to rotate along the inside of the fixed rod 16.
Wherein, the rear fixed mounting at base 1 top has fixed block 19, and the inside top fixed mounting of fixed block 19 has power motor 20, and the other end of power motor 20 output shaft has fixedly cup jointed screw rod 21.
When the power motor 20 is operated, the screw 21 will rotate at this time.
Wherein, the outer surface screw thread of screw rod 21 cup joints movable block 22, and the left and right sides of movable block 22 is all fixed mounting has stock 23, and the front of stock 23 and the back swing joint of mount 2.
Because the screw rod 21 is in threaded sleeve connection with the movable block 22, when the screw rod 21 rotates, the movable block 22 drives the two long rods 23 to move, and because the two long rods 23 are movably connected with the back surface of the fixed frame 2, the two long rods 23 can only move up and down along the back surface of the fixed frame 2.
Wherein, the front end of the left and right sides of the long rod 23 is fixedly provided with a round block 24, the inside of the round block 24 is movably sleeved with a rotating shaft 25, the top end of the rotating shaft 25 is fixedly connected with the bottom end of the vertical shaft 17, the top end and the bottom end of the outer surface of the rotating shaft 25 are movably sleeved with a fixed ring 26, and the outer surface of the fixed ring 26 is fixedly connected with the outer surface of the fixed frame 2.
When the two long rods 23 move upwards, the two round blocks 24 move upwards along the outer surfaces of the two rotating shafts 25 under the drive of the two long rods 23, and the two rotating shafts 25 are movably sleeved with the two groups of fixed rings 26 respectively, so that the two rotating shafts 25 can rotate around the movable sleeved positions of the two groups of fixed rings 26 as axes, and when the two rotating shafts 25 rotate, the two vertical shafts 17 rotate under the drive of the two rotating shafts 25.
The outer surface of the rotating shaft 25 is provided with a spiral groove 27, an extrusion block 28 is movably connected in the spiral groove 27, and the outer surface of the extrusion block 28 is fixedly connected with the inner part of the round block 24.
When the round block 24 moves upwards, the two sets of extrusion blocks 28 are driven by the two round blocks 24 to move upwards, and the two sets of extrusion blocks 28 extrude the interiors of the two sets of spiral grooves 27 in the upward movement, so that the two rotating shafts 25 rotate.
The working principle and the using flow of the utility model are as follows:
When the teaching personnel need to adjust the height of the display 12, the teaching personnel start the driving motor 13 at this moment, the rotation axis 14 will drive the driving gear 29 to rotate, because the driving gear 29 is connected with two driven gears 5 in a meshing way respectively, at this moment, the driving gear 29 will drive two driven gears 5 to rotate in the opposite direction with two arc plates 4 as the axle center, at the same time, two driven gears 5 will drive two rotary rods 6 to rotate in the opposite direction, next one end of two rotary rods 6 opposite to each other will drive two circular shafts 7 respectively to rotate in the opposite direction, when two circular shafts 7 rotate in the opposite direction, the interior of the motion rod 8 will be extruded and pushed, so that the motion rod 8 drives two vertical rods 9 to move, at this moment, two vertical rods 9 will drive two motion blocks 10 respectively to move, because of the design of two vertical grooves 3 will limit the motion of two motion blocks 10, make two motion blocks 10 only move up and down, at this moment, two motion blocks 10 will move up along the interior of two vertical grooves 3 under the drive of two vertical rods 6 respectively, at the same time, the two motion blocks 10 will move up and height of the display 12 can be adjusted according to the height of the whole height of the display device.
Immediately, the teaching staff starts the power motor 20, at this moment, the screw 21 will rotate, because the outer surface of the screw 21 is in threaded connection with the inner part of the movable block 22, when the screw 21 rotates, the movable block 22 will drive the movable block 22 to move, then the movable block 22 will simultaneously drive the two long rods 23 to move, because the two long rods 23 are contacted with the back of the fixed frame 2, the movable block 22 can only drive the two long rods 23 to move upwards along the outer surface of the fixed frame 2, at this moment, the movable block 22 will drive the two round blocks 24 to move upwards along the outer surface of the two rotating shafts 25 through the two long rods 23, meanwhile, the two groups of extrusion blocks 28 will move upwards under the driving of the two round blocks 24, because the outer surfaces of the two groups of extrusion blocks 28 are respectively in movable connection with the inner parts of the two groups of spiral grooves 27, when the two groups of extrusion blocks 28 move upwards, the inner parts of the two groups of spiral grooves 27 are extruded and pushed, and then the two rotating shafts 25 rotate in opposite directions around the movable sleeve joint positions of the two fixed rings 26, and then the two rotating shafts 25 will drive the two rotating plates 18 to rotate in opposite directions through the two vertical shafts 17, and then the two rotating plates 18 are unfolded in opposite directions, so that the functions are realized.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422396606.3U CN223004733U (en) | 2024-09-29 | 2024-09-29 | A multimedia teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422396606.3U CN223004733U (en) | 2024-09-29 | 2024-09-29 | A multimedia teaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223004733U true CN223004733U (en) | 2025-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422396606.3U Active CN223004733U (en) | 2024-09-29 | 2024-09-29 | A multimedia teaching device |
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| Country | Link |
|---|---|
| CN (1) | CN223004733U (en) |
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- 2024-09-29 CN CN202422396606.3U patent/CN223004733U/en active Active
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