CN213634884U - Display device for piano teaching - Google Patents
Display device for piano teaching Download PDFInfo
- Publication number
- CN213634884U CN213634884U CN202022688581.6U CN202022688581U CN213634884U CN 213634884 U CN213634884 U CN 213634884U CN 202022688581 U CN202022688581 U CN 202022688581U CN 213634884 U CN213634884 U CN 213634884U
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- piano
- driving
- rotary
- display device
- chain wheel
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Abstract
The utility model discloses a display device is used in piano teaching, play projection unit, rotary drive device and device bearing bottom plate including the piano. The utility model belongs to the technical field of piano teaching equipment, specifically a display device is used in piano teaching, the work efficiency of display device is used in piano teaching has been improved, play projection device and rotary driving device through setting up the piano and be more directly perceived clear for the bandwagon effect, can realize the rotation, the better display device is used in piano teaching of teaching effect provides probably, the use experience of display device is used in piano teaching has been improved, the cost that display device was maintained is used in piano teaching has been reduced, the life of display device is used in piano teaching has been prolonged, effectively solved on the existing market display device is inefficiency for piano teaching, and self structure is complicated, maintain comparatively inconvenient problem.
Description
Technical Field
The utility model belongs to the technical field of the piano teaching equipment, specifically indicate a display device is used in piano teaching.
Background
The piano is a keyboard instrument in Western classical music and is known as the king of the instrument. It is composed of 88 keys (52 white keys, 36 black keys) and a metal string sound board. The italian person batorolo kristoffli invented a piano in 1709. A piano is a keyboard instrument, and hammers are pulled with keys to strike strings. Since the end of the eighteenth century, pianos have been the most important home keyboard musical instruments in europe and the united states. Pianos originate from europe. At the piano teaching time, often can't carry out better show, mr when playing, the student can't be comparatively audio-visual clear observe the teacher and play operation essential points such as the fingering of time application, and current display device for piano teaching can't realize rotatoryly, the position of sitting when playing can't be shown betterly, can't teach the student well, teaching bandwagon effect is not good enough, so provide a display device for piano teaching very necessary.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming the defect of prior art, the utility model provides a display device is used in piano teaching, the work efficiency of display device is used in piano teaching has been improved, for the bandwagon effect is more directly perceived clear, can realize rotatory, the better display device is used in piano teaching of teaching effect provides probably, the use that has improved display device is used in piano teaching is experienced, the cost that display device was maintained is used in piano teaching has been reduced, display device's is used in piano teaching life has been prolonged, effectively solved on the existing market display device is used in piano teaching inefficiency, and self structure is complicated, maintain comparatively inconvenient problem.
The utility model adopts the following technical scheme: the utility model relates to a display device is used in piano teaching, play projection device, rotary driving device and device bearing bottom plate including the piano, rotary driving device locates on the last diapire of device bearing bottom plate, the piano is played and is projected the device and locate on rotary driving device, the piano is played and is projected the device including projecting display element and mobile drive unit, it locates on rotary driving device's the last diapire to project the display element, mobile drive unit locates on projecting the display element, rotary driving device includes rotary driving unit and rotatory driven unit, rotary driving unit locates on the last diapire of device bearing bottom plate, rotatory driven unit locates on the rotary driving unit.
Further, the show unit of projection includes piano body, seat, projection show bottom plate, piano curb plate and display screen, the display bottom plate of projection is located on the last diapire of rotatory driven unit, the seat is located on the last diapire of projection show bottom plate, the piano body is located on the last diapire of projection show bottom plate, piano curb plate rigid coupling is on the lateral wall of piano body, the piano curb plate is equipped with two sets ofly, the display screen rigid coupling is on the back lateral wall of piano body.
Further, the mobile driving unit comprises a mobile driving gear, a mobile gear driving shaft, a mobile driving motor, a guide rack, a sliding convex strip, a sliding groove, a hanging bracket and a camera, the sliding groove is formed in the piano side plate, the sliding convex strip is arranged on the sliding groove in a penetrating and sliding mode, the mobile gear driving shaft is arranged on the outer side wall of the piano side plate in a rotating mode, the mobile driving gear is fixedly connected to the mobile gear driving shaft in a penetrating mode, the mobile driving motor is arranged on the mobile gear driving shaft, the guide rack is fixedly connected to the outer side wall of the sliding convex strip, the hanging bracket is fixedly connected between the upper bottom wall of the guide rack, and the camera is arranged on the hanging.
Furthermore, the rotary driving unit comprises a driving chain wheel, a driven chain wheel, a chain wheel driving shaft, a chain wheel driven shaft, a driving bevel gear, a chain, a rotary driving motor and a rotary driving vertical plate, wherein the rotary driving vertical plate is fixedly connected to the upper bottom wall of the device bearing bottom plate, the chain wheel driving shaft is rotatably arranged on the rotary driving vertical plate, the driving chain wheel penetrates and is fixedly connected to the chain wheel driving shaft, the rotary driving motor is arranged on the chain wheel driving shaft, the chain wheel driven shaft is rotatably arranged on the rotary driving vertical plate, the driven chain wheel penetrates and is fixedly connected to the chain wheel driven shaft, the driving bevel gear penetrates and is fixedly connected to the chain wheel driven shaft, and the chain is clamped and connected between the.
Furthermore, the rotary driven unit comprises a driven bevel gear, a rotary main shaft, a bearing seat and a bearing body, the bearing seat is fixedly connected to the upper bottom wall of the bearing bottom plate of the device, the bearing body is embedded and rotated in the bearing seat, one end of the rotary main shaft is clamped on the bearing body, the other end of the rotary main shaft is fixedly connected to the lower bottom wall of the projection display bottom plate, the driven bevel gear penetrates through and is fixedly connected to the rotary main shaft, and the driving bevel gear is meshed with the driven bevel gear.
Further, the camera is electrically connected with the display screen.
Furthermore, the cross section of the sliding convex strip is convex.
Furthermore, the movable driving gear, the movable gear driving shaft, the movable driving motor, the guide rack, the sliding convex strip and the sliding groove are provided with two groups.
Furthermore, the movable driving gear is in clamping transmission connection with the guide rack.
Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: the utility model provides a display device is used in piano teaching, the work efficiency of display device is used in piano teaching has been improved, play projection unit and rotary driving device for the bandwagon effect is more directly perceived clear through setting up the piano, can realize the rotation, the better display device is used in piano teaching of teaching effect provides probably, the use that has improved display device is used in piano teaching is experienced, the cost that display device was maintained is used in piano teaching has been reduced, display device's is used in piano teaching life has been prolonged, effectively solved on the existing market display device is used in piano teaching inefficiency, and self structure is complicated, maintain comparatively inconvenient problem.
Drawings
FIG. 1 is a front view of the display device for piano teaching of the present invention;
fig. 2 is a rear view of the piano playing projection device of the display device for piano teaching of the present invention;
fig. 3 is the utility model discloses display device's rotary drive's section view is used in piano teaching.
The piano playing projection device comprises a piano playing projection device 1, a piano playing projection device 2, a rotary driving device 3, a device bearing bottom plate 4, a projection display unit 5, a moving driving unit 6, a rotary driving unit 7, a rotary driven unit 8, a piano body 9, a seat 10, a projection display bottom plate 11, a piano side plate 12, a display screen 13, a moving driving gear 14, a moving gear driving shaft 15, a moving driving motor 16, a guide rack 17, a sliding convex strip 18, a sliding groove 19, a hanging bracket 20, a camera head 21, a driving chain wheel 22, a driven chain wheel 23, a chain wheel driving shaft 24, a chain wheel driven shaft 25, a driving bevel gear 26, a chain 27, a rotary driving motor 28, a rotary driving vertical plate 29, a driven bevel gear 30, a rotary main shaft 31, a bearing seat 32 and a bearing body.
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the 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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model discloses display device is used in piano teaching, play projection device 1, rotary driving device 2 and device bearing bottom plate 3 including the piano, rotary driving device 2 is located on the upper wall of device bearing bottom plate 3, piano is played projection device 1 and is located on rotary driving device 2, piano is played projection device 1 and is included projection display unit 4 and mobile drive unit 5, projection display unit 4 is located on rotary driving device 2's the upper wall, mobile drive unit 5 is located on projection display unit 4, rotary driving device 2 includes rotary driving unit 6 and rotary driven unit 7, rotary driving unit 6 is located on the upper wall of device bearing bottom plate 3, rotary driven unit 7 is located on rotary driving unit 6.
Projection display element 4 includes piano body 8, seat 9, projection show bottom plate 10, piano curb plate 11 and display screen 12, projection show bottom plate 10 is located on the last diapire of rotatory driven unit 7, seat 9 is located on the last diapire of projection show bottom plate 10, piano body 8 is located on the last diapire of projection show bottom plate 10, 11 rigid couplings of piano curb plate are on the lateral wall of piano body 8, piano curb plate 11 is equipped with two sets ofly, display screen 12 rigid coupling is on the back lateral wall of piano body 8.
The movable driving unit 5 comprises a movable driving gear 13, a movable gear driving shaft 14, a movable driving motor 15, a guide rack 16, a sliding convex strip 17, a sliding groove 18, a hanging bracket 19 and a camera 20, the sliding groove 18 is formed in the piano side plate 11, the sliding convex strip 17 penetrates through and is arranged on the sliding groove 18 in a sliding mode, the movable gear driving shaft 14 rotates and is arranged on the outer side wall of the piano side plate 11, the movable driving gear 13 penetrates through and is fixedly connected to the movable gear driving shaft 14, the movable driving motor 15 is arranged on the movable gear driving shaft 14, the guide rack 16 is fixedly connected to the outer side wall of the sliding convex strip 17, the hanging bracket 19 is fixedly connected between the upper bottom wall of the guide rack 16, and the camera 20 is arranged on the hanging bracket.
The rotary driving unit 6 comprises a driving chain wheel 21, a driven chain wheel 22, a chain wheel driving shaft 23, a chain wheel driven shaft 24, a driving bevel gear 25, a chain 26, a rotary driving motor 27 and a rotary driving vertical plate 28, wherein the rotary driving vertical plate 28 is fixedly connected to the upper bottom wall of the device bearing bottom plate 3, the chain wheel driving shaft 23 is rotatably arranged on the rotary driving vertical plate 28, the driving chain wheel 21 penetrates through and is fixedly connected to the chain wheel driving shaft 23, the rotary driving motor 27 is arranged on the chain wheel driving shaft 23, the chain wheel driven shaft 24 is rotatably arranged on the rotary driving vertical plate 28, the driven chain wheel 22 penetrates through and is fixedly connected to the chain wheel driven shaft 24, the driving bevel gear 25 penetrates through and is fixedly connected to the chain wheel driven shaft 24, and the chain 26 is clamped and connected.
The rotary driven unit 7 comprises a driven bevel gear 29, a rotary main shaft 30, a bearing seat 31 and a bearing body 32, wherein the bearing seat 31 is fixedly connected to the upper bottom wall of the device bearing bottom plate 3, the bearing body 32 is embedded and rotated in the bearing seat 31, one end of the rotary main shaft 30 is clamped and arranged on the bearing body 32, the other end of the rotary main shaft 30 is fixedly connected to the lower bottom wall of the projection display bottom plate 10, the driven bevel gear 29 penetrates through and is fixedly connected to the rotary main shaft 30, and the driving bevel gear 25 and the driven bevel gear 29 are connected in a meshed mode.
The camera 20 is electrically connected to the display screen 12.
The cross section of the sliding protrusion 17 is convex.
Two groups of moving driving gears 13, moving gear driving shafts 14, moving driving motors 15, guide racks 16, sliding convex strips 17 and sliding grooves 18 are arranged.
The movable driving gear 13 is connected with the guide rack 16 in a clamping transmission manner.
When the piano player is used specifically, a user sits on the seat 9 firstly, then the mobile driving motor 15 is started, then the mobile gear driving shaft 14 rotates to drive the mobile driving gear 13 to rotate, then the guide rack 16 moves along with the guide rack, at the moment, the other end of the sliding convex strip 17 slides along the sliding groove 18 synchronously, the guide and stabilization effect is realized on the movement of the guide rack 16, then the guide rack 16 drives the hanger 19 and the camera 20 to move synchronously, when the camera 20 moves to the position aligned with the piano keyboard of the piano body 8, the mobile driving motor 15 is closed immediately, at the moment, the camera 20 is started, the content shot by the camera 20 can be transmitted to the display screen 12 in real time through the controller between the camera 20 and the display screen 12, at the moment, the fingering when the piano body 8 is played can be observed through the display screen 12 on the rear side of the piano body 8, and the aim of visual and clear display effect is achieved, start the rotation driving motor 27, then sprocket drive shaft 23 rotates, drive sprocket 21 and rotate thereupon, then drive chain 26 and move thereupon, drive driven sprocket 22 and rotate thereupon, drive sprocket driven shaft 24 and rotate, then drive bevel gear 25 and rotate thereupon, drive driven bevel gear 29 and rotate, then rotatory main shaft 30 rotates thereupon, it rotates along with, it projects display bottom plate 10 and rotates to drive, then just reached and to realize rotatory mesh, make the student can observe mr's position of sitting, reached the better mesh of teaching effect, it is above that the utility model discloses holistic work flow, repeat this step when using next time can.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 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.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (9)
1. The utility model provides a display device is used in piano teaching which characterized in that: play projection device, rotary driving device and device bearing bottom plate including the piano, rotary driving device locates on the last diapire of device bearing bottom plate, piano is played and is projected the device and locate on rotary driving device, piano is played and is projected the device and including projection display element and removal drive unit, it locates on rotary driving device's the last diapire to project the display element, it locates on the projection display element to remove the drive unit, rotary driving device includes rotary driving unit and rotatory driven unit, rotary driving unit locates on the last diapire of device bearing bottom plate, rotatory driven unit locates on the rotary driving unit.
2. The display device for piano teaching of claim 1, wherein: the projection display unit comprises a piano body, a seat, a projection display bottom plate, a piano side plate and a display screen, the projection display bottom plate is arranged on the upper bottom wall of the rotary driven unit, the seat is arranged on the upper bottom wall of the projection display bottom plate, the piano body is arranged on the upper bottom wall of the projection display bottom plate, the piano side plate is fixedly connected to the side wall of the piano body, the piano side plate is provided with two sets of display screen fixedly connected to the rear side wall of the piano body.
3. The display device for piano teaching of claim 2, wherein: the movable driving unit comprises a movable driving gear, a movable gear driving shaft, a movable driving motor, a guide rack, a sliding raised line, a sliding groove, a hanging bracket and a camera, wherein the sliding groove is formed in the piano side plate, the sliding raised line penetrates through the sliding groove, the movable gear driving shaft rotates and is arranged on the outer side wall of the piano side plate, the movable driving gear penetrates through the fixed gear driving shaft, the movable driving motor is arranged on the movable gear driving shaft, the guide rack is fixedly connected onto the outer side wall of the sliding raised line, the hanging bracket is fixedly connected between the upper bottom wall of the guide rack, and the camera is arranged on the hanging bracket.
4. A display device for piano teaching according to claim 3, wherein: the rotary driving unit comprises a driving chain wheel, a driven chain wheel, a chain wheel driving shaft, a chain wheel driven shaft, a driving bevel gear, a chain, a rotary driving motor and a rotary driving vertical plate, the rotary driving vertical plate is fixedly connected to the upper bottom wall of the device bearing bottom plate, the chain wheel driving shaft is rotatably arranged on the rotary driving vertical plate, the driving chain wheel penetrates through and is fixedly connected to the chain wheel driving shaft, the rotary driving motor is arranged on the chain wheel driving shaft, the chain wheel driven shaft is rotatably arranged on the rotary driving vertical plate, the driven chain wheel penetrates through and is fixedly connected to the chain wheel driven shaft, the driving bevel gear penetrates through and is fixedly connected to the chain wheel driven shaft, and the chain is clamped.
5. The display device for piano teaching of claim 4, wherein: the rotary driven unit comprises a driven bevel gear, a rotary main shaft, a bearing seat and a bearing body, the bearing seat is fixedly connected to the upper bottom wall of the bearing bottom plate, the bearing body is rotatably embedded in the bearing seat, one end of the rotary main shaft is clamped on the bearing body, the other end of the rotary main shaft is fixedly connected to the lower bottom wall of the projection display bottom plate, the driven bevel gear penetrates through the rotary main shaft and is fixedly connected to the rotary main shaft, and the driving bevel gear and the driven bevel gear are meshed and connected.
6. The display device for piano teaching of claim 5, wherein: and the camera is electrically connected with the display screen.
7. The display device for piano teaching of claim 6, wherein: the section of the sliding convex strip is convex.
8. The display device for piano teaching of claim 7, wherein: and the movable driving gear, the movable gear driving shaft, the movable driving motor, the guide rack, the sliding convex strip and the sliding groove are provided with two groups.
9. The display device for piano teaching of claim 8, wherein: the movable driving gear is connected with the guide rack in a clamping transmission mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022688581.6U CN213634884U (en) | 2020-11-19 | 2020-11-19 | Display device for piano teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022688581.6U CN213634884U (en) | 2020-11-19 | 2020-11-19 | Display device for piano teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213634884U true CN213634884U (en) | 2021-07-06 |
Family
ID=76634828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022688581.6U Expired - Fee Related CN213634884U (en) | 2020-11-19 | 2020-11-19 | Display device for piano teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213634884U (en) |
-
2020
- 2020-11-19 CN CN202022688581.6U patent/CN213634884U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210706 Termination date: 20211119 |