CN116755317A - Interactive metronome - Google Patents

Interactive metronome Download PDF

Info

Publication number
CN116755317A
CN116755317A CN202310794680.8A CN202310794680A CN116755317A CN 116755317 A CN116755317 A CN 116755317A CN 202310794680 A CN202310794680 A CN 202310794680A CN 116755317 A CN116755317 A CN 116755317A
Authority
CN
China
Prior art keywords
fixedly connected
wall
bearing
metronome
servo motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310794680.8A
Other languages
Chinese (zh)
Inventor
颜飙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Agricultural University
Original Assignee
Qingdao Agricultural University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Agricultural University filed Critical Qingdao Agricultural University
Priority to CN202310794680.8A priority Critical patent/CN116755317A/en
Publication of CN116755317A publication Critical patent/CN116755317A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04FTIME-INTERVAL MEASURING
    • G04F5/00Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/02Metronomes
    • G04F5/025Electronic metronomes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00Details of electrophonic musical instruments
    • G10H1/32Constructional details
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00Details of electrophonic musical instruments
    • G10H1/36Accompaniment arrangements
    • G10H1/40Rhythm

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Toys (AREA)

Abstract

The invention provides an interactive metronome, and relates to the technical field of metronomes. The interactive metronome comprises a bottom plate, a connecting barrel and a control box, wherein the outer wall of the upper end of the connecting barrel is fixedly connected with a sound resonance cover, a mounting groove is formed in the middle of the upper surface of the bottom plate, a first bearing is fixedly connected to the inner wall of the mounting groove, a base is fixedly connected to the inner wall of the first bearing, a second bearing is fixedly connected to the outer wall of the upper end of the base, the outer wall of the second bearing is fixedly connected with the inner wall of the lower end of the connecting barrel, a connecting cover is fixedly connected to the outer wall of the connecting barrel, which is close to the middle, the lower surface of the connecting cover is fixedly connected with the upper surface of the bottom plate, and a mounting plate is fixedly connected to the inner wall of the upper part of the front end of the connecting cover. The invention provides an interactive metronome, which has a simple and reasonable integral structure, is small and light, and is convenient for people to carry during playing and exercising.

Description

Interactive metronome
Technical Field
The invention relates to the technical field of metronomes, in particular to an interactive metronome.
Background
Along with the high-speed development of Chinese economy, music is also more and more popular with people, meanwhile, the music playing needs to accurately sense the slapping of musical instruments, the slapping accuracy and sensing speed are particularly important for playing of certain music styles, and then an interactive metronome is inoculated, the interactive metronome is innovative music software, instant feedback can be carried out according to the playing of users, and meanwhile, the metronome is a software tool for processing audio signals and music and mainly used for measuring time and speed so as to control the rhythm and speed of the music, and further people can master the rhythm more accurately in the process of playing and practicing the musical instruments.
However, most of the traditional interactive metronomes can only provide single tone and beat, so that the requirements of musicians on different tone and beat can not be met, the effects of playing effect and practicing music are limited, most of the traditional interactive metronomes are too complex in structure, large in size, inconvenient for people to use during playing and practicing, meanwhile, the volume of the traditional metronomes is usually small, sound quality is disordered, people are inconvenient to listen to the tone and beat of the metronomes, and the requirement of large-scale performance is difficult to meet, and therefore, technological improvement is needed
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the interactive metronome, solves the problems that most of the traditional interactive metronomes can only provide single tone and beat, and further cannot meet the requirements of musicians for different tone and beat, solves the problems that most of the traditional interactive metronomes are too complex in structure, large in size and inconvenient to use and carry when people play and practice, and solves the problems that the traditional interactive metronome is small in volume, and meanwhile, the tone quality is messy, and people cannot listen to the tone and beat of the metronome.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides an interactive metronome, includes bottom plate, connecting barrel and control box, the outer wall fixedly connected with sound resonance cover of connecting barrel upper end, the mounting groove has been seted up at the middle part of bottom plate upper surface, the inner wall fixedly connected with first bearing of mounting groove, the inner wall fixedly connected with base of first bearing, the outer wall fixedly connected with second bearing of base upper end, the outer wall of second bearing and the inner wall fixedly connected with of connecting barrel lower extreme, the outer wall fixedly connected with connecting cover that the connecting barrel is close to the middle part, the lower surface of connecting cover and the upper surface fixed connection of bottom plate, the inner wall fixedly connected with mounting panel of connecting cover front end upper portion, the rear end and the outer wall fixed connection of connecting barrel of mounting panel, the middle part fixedly connected with first servo motor of mounting panel lower surface, the output fixedly connected with first dwang of first servo motor, the lower extreme and the bottom plate rotation of first dwang are connected;
the upper surface of the base is fixedly connected with a second servo motor and a support frame respectively, the output end of the second servo motor is fixedly connected with a second rotating rod, the upper end of the second rotating rod is rotationally connected with the upper end of the support frame, the outer wall of the second rotating rod, which is close to the upper end, is fixedly connected with a connecting disc, the outer wall of the connecting disc is fixedly connected with a plurality of first connecting rods, springs are fixedly connected to the inner part of the first connecting rods, which is close to one end of the connecting disc, the end, which is far away from the connecting disc, of the springs is fixedly connected with a second connecting rod, one end, which is far away from the connecting disc, of the second connecting rod penetrates through the first connecting rods and is fixedly connected with a metal striking head, and the inner wall, which is close to the upper end, of the connecting barrel is fixedly connected with a plurality of metal striking sheets;
through above-mentioned technical scheme, make the driving gear drive driven gear through starting first servo motor rotate, and then reach control base and begin pivoted purpose, second servo motor and support frame begin to rotate simultaneously and make metal strike head and metal strike piece can contact, and then reached the purpose of adjusting the strike tone, strike each other through a plurality of metal strike heads and a plurality of corresponding metal strike piece simultaneously, can reach the selection that realizes a plurality of strike tone, the rethread starts the second servo motor and can make the connection pad drive head rod and second connecting rod rotate, can control its rotation rate simultaneously, and then reached the purpose of controlling the beat rhythm, bring convenience for people's in-service use.
Preferably, the middle part of the outer wall at one side of the connecting cover is fixedly connected with an installation table, the inner wall of the installation table is fixedly connected with a regulation and control panel, the inner bottom surface of the control box is respectively and fixedly connected with a PLC controller, an exercise data storage module, a beat control module and a tone selection module, and the first servo motor and the second servo motor are electrically connected with the PLC controller;
through above-mentioned technical scheme, through control regulation and control panel and beat control module can be convenient for the staff select the beat rhythm and the beat tone quality of metronome.
Preferably, the lower surface of the bottom plate is fixedly connected with an anti-slip pad;
through above-mentioned technical scheme, can make the bottom plate more stable when placing difficult phenomenon that skids that appears through the slipmat.
Preferably, the outer wall of the first rotating rod close to the lower end is fixedly connected with a driving gear, and the outer wall of the base close to the middle is fixedly connected with a driven gear.
Preferably, a first limit groove is formed in the upper surface of the connecting disc, a third bearing is fixedly connected to the inner wall of the first limit groove, a limit ring is fixedly connected to the inner wall of the third bearing, a second limit groove is formed in the inner top surface of the supporting frame, a fourth bearing is fixedly connected to the inner part of the second limit groove, and the outer wall of the upper end of the limit ring is fixedly connected with the inner wall of the fourth bearing;
through above-mentioned technical scheme, can make the connection pad more stable at pivoted in-process through the spacing ring, be difficult for rocking.
Preferably, the inner wall of the sound resonance cover is fixedly connected with elastic rubber, and a plurality of sound emitting holes are formed in the upper surface of the sound resonance cover.
Through above-mentioned technical scheme, can reach the sound that sends the intracavity together and outwards send through the sound emission hole through the sound resonance cover, and then improve the sound degree of metronome sound, can reach good shockproof noise reduction performance simultaneously under elastic rubber's effect, reduce the vibration and the noise of sound resonance cover, improve the quality of acoustic environment, and then improve experience when people in-service use and feel, be convenient for people listen to the tone quality and the beat of clear metronome, improve the quality of playing.
Preferably, the control panel is electrically connected with the PLC, the exercise data storage module, the beat control module and the tone selection module.
Preferably, the driving gear and the driven gear are meshed with each other.
Working principle: this metronome can be convenient for the staff select beat rhythm and beat tone quality of metronome through control regulation and control panel and beat control module, after people select beat rhythm and tone quality, PLC controller can regulate and control first servo motor and make the driving gear drive driven gear rotate, and then reach control base and begin pivoted purpose, second servo motor and support frame begin to rotate simultaneously and make metal beating head and metal beating piece can contact, and then reached the purpose of adjusting and beating tone quality, simultaneously strike each other with a plurality of metal beating pieces that correspond through a plurality of metal beating heads, can reach the selection that realizes a plurality of beating tone quality, rethread starts the second servo motor can make the connection pad drive head rod and second connecting rod rotate, simultaneously can control its rotation rate, and then reached the purpose of controlling beat rhythm, simultaneously through the sound resonance cover can reach the sound that sends out in the intracavity and outwards send out through the sound emission hole, and then improve the sound degree of metronome sound, simultaneously can reach good noise reduction performance together under the effect of elastic rubber, reduce the environmental quality and noise of sound cover, improve the quality of sound resonance, and the quality of the acoustic resonance when the device is used in fact, and the people play quality of the metronome is convenient for, and the beat quality is convenient for use.
(III) beneficial effects
The invention provides an interactive metronome. The beneficial effects are as follows:
1. compared with the existing metronome, the metronome provided by the invention has the advantages that the beating rhythm and the beating tone of the metronome can be conveniently selected by workers through the control and regulation panel and the beat control module, after people select the beating rhythm and the beating tone, the PLC controller can regulate the first servo motor to drive the driven gear to rotate so as to control the base to start rotating, meanwhile, the second servo motor and the support frame start rotating so that the metal beating head and the metal beating sheet can be in contact, the purpose of adjusting the beating tone is achieved, meanwhile, the selection of the beating tone can be achieved through the mutual beating of the metal beating heads and the corresponding metal beating sheets, the rotation speed of the connecting disc can be controlled simultaneously, the purpose of controlling the beating rhythm is achieved, and convenience is brought to practical use of people.
2. Compared with the existing metronome, the interactive metronome provided by the invention has the advantages that the sound emitted in the cavity can be gathered together through the sound resonance cover and emitted outwards through the sound emitting holes, so that the sound intensity of the sound of the metronome is improved, meanwhile, good vibration and noise prevention performance can be achieved under the action of elastic rubber, the vibration and noise of the sound resonance cover are reduced, the quality of an acoustic environment is improved, the experience of people in actual use is further improved, people can hear the tone and the beat of the metronome clearly, and the playing quality is improved.
3. The invention provides an interactive metronome, which has a simple and reasonable integral structure, is small and light and is convenient for people to carry during playing and exercising compared with the traditional metronome.
Drawings
FIG. 1 is a schematic illustration of the front cross-section of the present invention;
FIG. 2 is a schematic diagram of the main structure of the present invention;
FIG. 3 is a schematic view of a connecting barrel in a top-down configuration of the present invention;
FIG. 4 is a schematic view of the top-down structure of the connection cover of the present invention;
FIG. 5 is a schematic diagram of the front cross-section structure of a second servo motor, a second rotating rod, a supporting frame, a connecting disc, a first connecting rod and a second connecting rod;
FIG. 6 is a schematic view of the structure of the base plate, cleat and mounting groove of the present invention;
fig. 7 is a schematic diagram of a front sectional structure of the control box of the present invention.
Wherein, 1, the bottom plate; 2. a connecting barrel; 3. an anti-slip pad; 4. a mounting groove; 5. a first bearing; 6. a base; 7. a driven gear; 8. a mounting table; 9. a connection cover; 10. a mounting plate; 11. a first servo motor; 12. a first rotating lever; 13. a drive gear; 14. a second bearing; 15. a sound resonance cover; 16. an elastic rubber; 17. a sound emission hole; 18. a second servo motor; 19. a second rotating lever; 20. a connecting disc; 21. a first limit groove; 22. a third bearing; 23. a limiting ring; 24. a support frame; 25. the second limit groove; 26. a fourth bearing; 27. a first connecting rod; 28. a spring; 29. a second connecting rod; 30. a metal striking head; 31. a metal striking plate; 32. a control panel; 33. a control box; 34. a PLC controller; 35. an exercise data storage module; 36. a beat control module; 37. and a tone color selection module.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
as shown in fig. 1-7, an embodiment of the present invention provides an interactive metronome, which comprises a bottom plate 1, a connecting barrel 2 and a control box 33, wherein the outer wall of the upper end of the connecting barrel 2 is fixedly connected with a sound resonance cover 15, the middle part of the upper surface of the bottom plate 1 is provided with a mounting groove 4, the inner wall of the mounting groove 4 is fixedly connected with a first bearing 5, the inner wall of the first bearing 5 is fixedly connected with a base 6, the outer wall of the upper end of the base 6 is fixedly connected with a second bearing 14, the outer wall of the second bearing 14 is fixedly connected with the inner wall of the lower end of the connecting barrel 2, the outer wall of the connecting barrel 2 close to the middle part is fixedly connected with a connecting cover 9, the lower surface of the connecting cover 9 is fixedly connected with the upper surface of the bottom plate 1, the inner wall of the upper part of the front end of the connecting cover 9 is fixedly connected with a mounting plate 10, the rear end of the mounting plate 10 is fixedly connected with the outer wall of the connecting barrel 2, the middle part of the lower surface of the mounting plate 10 is fixedly connected with a first servo motor 11, the output end of the first servo motor 11 is fixedly connected with a first rotating rod 12, and the lower end of the first rotating rod 12 is rotatably connected with the bottom plate 1;
the upper surface of the base 6 is fixedly connected with a second servo motor 18 and a support frame 24 respectively, the output end of the second servo motor 18 is fixedly connected with a second rotating rod 19, the upper end of the second rotating rod 19 is rotationally connected with the upper end of the support frame 24, the outer wall of the second rotating rod 19 close to the upper end is fixedly connected with a connecting disc 20, the outer wall of the connecting disc 20 is fixedly connected with a plurality of first connecting rods 27, the inner part of the first connecting rods 27 close to one end of the connecting disc 20 is fixedly connected with springs 28, the end, far away from the connecting disc 20, of each spring 28 is fixedly connected with a second connecting rod 29, the end, far away from the connecting disc 20, of each second connecting rod 29 penetrates through the first connecting rods 27 and is fixedly connected with a metal striking head 30, and the inner wall, close to the upper end, of the connecting barrel 2 is fixedly connected with a plurality of metal striking sheets 31;
the driving gear 13 is driven to rotate by starting the first servo motor 11, so that the purpose of controlling the base 6 to start rotating is achieved, meanwhile, the second servo motor 18 and the supporting frame 24 start rotating to enable the metal striking head 30 to be in contact with the metal striking sheet 31, the purpose of adjusting the striking tone is achieved, meanwhile, the metal striking head 30 and the corresponding metal striking sheet 31 strike each other, the purpose of achieving the selection of a plurality of striking tone can be achieved, the connecting disc 20 can drive the first connecting rod 27 and the second connecting rod 29 to rotate by starting the second servo motor 18, meanwhile, the rotating speed of the connecting disc can be controlled, the purpose of controlling the beating rhythm is achieved, and convenience is brought to practical use of people.
The middle part of the outer wall of one side of the connecting cover 9 is fixedly connected with a mounting table 8, the inner wall of the mounting table 8 is fixedly connected with a regulating and controlling panel 32, the inner bottom surface of a control box 33 is respectively and fixedly connected with a PLC controller 34, an exercise data storage module 35, a beat control module 36 and a tone selection module 37, and the first servo motor 11 and the second servo motor 18 are electrically connected with the PLC controller 34;
the control panel 32 and the beat control module 36 facilitate the selection of the beat rhythm and beat tone of the metronome by the staff.
The lower surface of the bottom plate 1 is fixedly connected with an anti-slip pad 3;
the anti-slip mat 3 can make the bottom plate 1 more stable and not easy to slip when placed.
The outer wall of the first rotating rod 12, which is close to the lower end, is fixedly connected with a driving gear 13, and the outer wall of the base 6, which is close to the middle part, is fixedly connected with a driven gear 7.
The upper surface of the connecting disc 20 is provided with a first limit groove 21, the inner wall of the first limit groove 21 is fixedly connected with a third bearing 22, the inner wall of the third bearing 22 is fixedly connected with a limit ring 23, the inner top surface of the support frame 24 is provided with a second limit groove 25, the interior of the second limit groove 25 is fixedly connected with a fourth bearing 26, and the outer wall of the upper end of the limit ring 23 is fixedly connected with the inner wall of the fourth bearing 26;
the limiting ring 23 can enable the connecting disc 20 to be more stable in the rotating process and not easy to shake.
The inner wall of the sound resonance cover 15 is fixedly connected with elastic rubber 16, and a plurality of sound emitting holes 17 are formed in the upper surface of the sound resonance cover 15.
The sound that sends in the intracavity can be reached together and outwards send through sound emission hole 17 through sound resonance cover 15, and then improve the ringing degree of metronome sound, can reach good shockproof noise reduction performance simultaneously under the effect of elastic rubber 16, reduce the vibration and the noise of sound resonance cover 15, improve the quality of acoustic environment, and then improve experience when people in-service use and feel, be convenient for people to hear the tone quality and the beat of metronome clearly, improve the quality of playing.
The control panel 32 is electrically connected with the PLC controller 34, the exercise data storage module 35, the beat control module 36, and the tone selection module 37.
The driving gear 13 is meshed with the driven gear 7.
Although embodiments of the present invention 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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. An interactive metronome, comprising a base plate (1), a connecting barrel (2) and a control box (33), characterized in that: the device comprises a connecting barrel (2), wherein an acoustic resonance cover (15) is fixedly connected to the outer wall of the upper end of the connecting barrel (2), a mounting groove (4) is formed in the middle of the upper surface of the bottom plate (1), a first bearing (5) is fixedly connected to the inner wall of the mounting groove (4), a base (6) is fixedly connected to the inner wall of the first bearing (5), a second bearing (14) is fixedly connected to the outer wall of the upper end of the base (6), a connecting cover (9) is fixedly connected to the outer wall of the second bearing (14) close to the inner wall of the lower end of the connecting barrel (2), the lower surface of the connecting cover (9) is fixedly connected to the upper surface of the bottom plate (1), a mounting plate (10) is fixedly connected to the inner wall of the upper portion of the front end of the connecting cover (9), a first servo motor (11) is fixedly connected to the middle of the lower surface of the mounting plate (10), a first rotating rod (12) is fixedly connected to the output end of the first servo motor (11), and the first rotating rod (12) is connected to the lower end of the bottom plate (1);
the upper surface of base (6) is fixedly connected with second servo motor (18) and support frame (24) respectively, the output fixedly connected with second dwang (19) of second servo motor (18), the upper end of second dwang (19) rotates with the upper end of support frame (24) to be connected, outer wall fixedly connected with connection pad (20) that second dwang (19) is close to the upper end, the equal fixedly connected with of outer wall of connection pad (20) is a plurality of head rods (27), the inside equal fixedly connected with spring (28) that head rod (27) is close to connection pad (20) one end, the equal fixedly connected with second connecting rod (29) of one end that head rod (20) was kept away from to spring (28), the one end that head rod (27) were kept away from to second connecting rod (29) all runs through head rod (27) and fixedly connected with metal strike head (30), the inner wall that connecting barrel (2) is close to the upper end is equal fixedly connected with a plurality of metal strike piece (31).
2. The interactive metronome of claim 1, wherein: the middle part fixedly connected with mount table (8) of connecting cover (9) one side outer wall, the inner wall fixedly connected with regulation and control panel (32) of mount table (8), the interior bottom surface of control box (33) is fixedly connected with PLC controller (34), exercise data storage module (35), beat control module (36) and tone selection module (37) respectively, first servo motor (11) and second servo motor (18) and PLC controller (34) electric connection.
3. The interactive metronome of claim 1, wherein: the lower surface of the bottom plate (1) is fixedly connected with an anti-slip pad (3).
4. The interactive metronome of claim 1, wherein: the outer wall of the first rotating rod (12) close to the lower end is fixedly connected with a driving gear (13), and the outer wall of the base (6) close to the middle part is fixedly connected with a driven gear (7).
5. The interactive metronome of claim 1, wherein: the upper surface of connection pad (20) has seted up first spacing groove (21), the inner wall fixedly connected with third bearing (22) of first spacing groove (21), the inner wall fixedly connected with spacing ring (23) of third bearing (22), second spacing groove (25) have been seted up to the interior top surface of support frame (24), the inside fixedly connected with fourth bearing (26) of second spacing groove (25), the outer wall of spacing ring (23) upper end and the inner wall fixed connection of fourth bearing (26).
6. The interactive metronome of claim 1, wherein: the inner wall of the sound resonance cover (15) is fixedly connected with elastic rubber (16), and a plurality of sound emitting holes (17) are formed in the upper surface of the sound resonance cover (15).
7. The interactive metronome of claim 2, wherein: the regulation and control panel (32) is electrically connected with the PLC (34), the exercise data storage module (35), the beat control module (36) and the tone selection module (37).
8. The interactive metronome of claim 4, wherein: the driving gear (13) is meshed with the driven gear (7).
CN202310794680.8A 2023-06-30 2023-06-30 Interactive metronome Pending CN116755317A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310794680.8A CN116755317A (en) 2023-06-30 2023-06-30 Interactive metronome

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310794680.8A CN116755317A (en) 2023-06-30 2023-06-30 Interactive metronome

Publications (1)

Publication Number Publication Date
CN116755317A true CN116755317A (en) 2023-09-15

Family

ID=87947748

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310794680.8A Pending CN116755317A (en) 2023-06-30 2023-06-30 Interactive metronome

Country Status (1)

Country Link
CN (1) CN116755317A (en)

Similar Documents

Publication Publication Date Title
CN116755317A (en) Interactive metronome
CN210200302U (en) Electric drum beating musical instrument
CN212587205U (en) Percussion instrument embedded with tone adjusting device
CN205521446U (en) Robot is played to wooden drum
CN211250051U (en) Cymbal drum-beating robot
CN210403155U (en) Novel piano pedal
CN211319473U (en) Musical instrument rapping device for music teaching
CN205645246U (en) New -type intelligent piano
CN219778504U (en) Support device for playing drum set
CN209822069U (en) Music rhythm training device
CN210331657U (en) Music box toy
CN209785540U (en) Stable supporting device for electronic piano
CN111862905A (en) Percussion instrument with tone color continuous automatic adjustment function and tone color continuous automatic adjustment method
CN207203453U (en) A kind of toy for children that can be edited music and play
CN210295511U (en) Piano finger training device
CN209997146U (en) mouth talent comparison training machine
CN212009938U (en) Metronome is used in music teaching
CN106328105A (en) Drum set suspended cymbal with loudspeaking function
CN220913890U (en) Music rhythm percussion instrument
CN220962630U (en) Visual persistence science popularization turntable
CN214705407U (en) Percussion device for musical instrument
CN203227297U (en) Toy guitar
CN115025503A (en) Novel immersive shadow play performance device
CN207462665U (en) The happy pen tray of hand tone dialing
CN201163523Y (en) Electronic, speech, mechanical and action integrated praying device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication