CN107452362B - Electronic organ for music learning - Google Patents

Electronic organ for music learning Download PDF

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Publication number
CN107452362B
CN107452362B CN201710744141.8A CN201710744141A CN107452362B CN 107452362 B CN107452362 B CN 107452362B CN 201710744141 A CN201710744141 A CN 201710744141A CN 107452362 B CN107452362 B CN 107452362B
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China
Prior art keywords
box
rod
rods
electronic organ
spring
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CN201710744141.8A
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Chinese (zh)
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CN107452362A (en
Inventor
罗雪娇
朱青
梁记安
赵岩
刘夏宁
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Xinxiang University
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Xinxiang University
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Priority to CN201710744141.8A priority Critical patent/CN107452362B/en
Publication of CN107452362A publication Critical patent/CN107452362A/en
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS
    • G10H1/00Details of electrophonic musical instruments
    • G10H1/0008Associated control or indicating means
    • G10H1/0016Means for indicating which keys, frets or strings are to be actuated, e.g. using lights or leds
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B15/00Teaching music
    • G09B15/08Practice keyboards
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS
    • G10H1/00Details of electrophonic musical instruments
    • G10H1/32Constructional details
    • G10H1/34Switch arrangements, e.g. keyboards or mechanical switches peculiar to electrophonic musical instruments
    • G10H1/344Structural association with individual keys

Abstract

Music study electronic organ, including box and two electronic organs, two electronic organs are located the left and right sides of box respectively, the rear side of keeping away from the key of electronic organ and the lateral part fixed connection of box, be equipped with the cross axle in the box, both ends are respectively with the front and back both ends face bearing swing joint of box around the cross axle, the front end of cross axle is located the outside of box, fixed mounting ring cover on the cross axle, the periphery fixed mounting several evenly distributed's of ring cover plectrum, through several support fixed mounting staving in the box, the staving is coaxial with the cross axle central line, ring cover and plectrum all are located the inside of staving, the shaft hole is all seted up at both ends around the staving, the cross axle passes the shaft hole, the ball inlet is seted up to the downside of staving side, the ball outlet is seted up on the. The piano practice device needs cooperation of a teacher and students, is suitable for accurate key practice of the students following the teacher at the initial stage of piano practice, improves the interest of the students in piano practice, and quickly practices basic exercises.

Description

Electronic organ for music learning
Technical Field
The invention relates to an electronic organ for learning, in particular to an electronic organ for music learning.
Background
With the improvement of living standard of people, ordinary families also have the opportunity of giving children learning art with economic strength slowly. The learning music can improve the temperament and the life taste of children, the intelligence and the imagination of the children can be improved by the learning music, the music can be used for mastering the temperament to enable the mind and body of people to be more healthy, the price of the electronic organ is lower, the playing pleasure is high, the electronic organ is suitable for the learning of most common children, however, the fast learning of the electronic organ is not easy, the most difficult electronic organ can be used for practicing the initial stage of the electronic organ, the accurate and fast playing of appointed notes can be the most basic exercise, the period is the most boring period, some children easily have boring emotion, the effect of practicing the organ is poor, the interest of the children in practicing the organ can be improved, and the device for fast helping the children to firmly play the basic exercise and spend the initial stage is necessary.
Disclosure of Invention
The invention provides a music learning electronic organ which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme:
an electronic organ for music learning comprises a box body and two electronic organs, wherein the two electronic organs are respectively positioned at the left side and the right side of the box body, the rear side of the electronic organ, which is far away from keys, is fixedly connected with the side part of the box body, a cross shaft is arranged in the box body, the front end and the rear end of the cross shaft are respectively movably connected with bearings at the front end and the rear end of the box body, the front end of the cross shaft is positioned outside the box body, a ring sleeve is fixedly arranged on the cross shaft, a plurality of evenly distributed plectrums are fixedly arranged on the periphery of the ring sleeve, a barrel body is fixedly arranged in the box body through a plurality of supports, the central line of the barrel body is coaxial with the central line of the cross shaft, the ring sleeve and the plectrums are positioned inside the barrel body, shaft holes are respectively formed at the front end and the rear end of the barrel body, the cross shaft passes through the shaft holes, the lower side of the inner end of the ball outlet is fixedly connected with the lower side of the outer end of the ball outlet through an inclined plate, the lower part of the ball inlet is provided with a ball storage tube, two sides of the upper end of the ball storage tube are provided with pin holes, two sides of the outer end of the ball inlet are respectively provided with an installation block, the installation blocks are fixedly installed at the bottom of the box body, one side surface of each installation block is provided with a slot, the outer end of each pin can be inserted into the corresponding slot, the side parts of the pin are fixedly provided with a deflector rod, a circular plate is arranged in the ball storage tube, the lower end of the circular plate is fixedly connected with the bottom in the ball storage tube through a first spring, a plurality of balls for reward effect are arranged in the ball storage tube, the bottom of the electronic organ is provided with a plurality of uniformly distributed through holes, the through holes correspond to the positions of keys of the electronic organ, vertical rods are arranged in the through holes, the upper ends of the vertical rods, hinged rods are arranged between the middle part of the cross rod and the bottom of the electronic organ on the right side, the upper ends of the hinged rods are fixedly connected with the bottom of the electronic organ, the lower ends of the hinged rods are hinged with the side part of the cross rod, a hydraulic telescopic rod is arranged at the left end of the cross rod and is coaxial with the central line of the cross rod, the right end of a fixed rod of the hydraulic telescopic rod is fixedly connected with the left end of the cross rod, a ratchet shaft is arranged at the left side of the bottom of the electronic organ on the right side through a shaft seat, the ratchet shaft is parallel to a cross shaft, a long ratchet sleeve is fixedly sleeved on the ratchet shaft, ratchets are all arranged at the end part of a movable rod of the hydraulic telescopic rod, a torsional spring is arranged on the mounting shaft and can be matched with the long ratchet sleeve, a driving wheel is fixedly arranged at the, the upper end of the piston sleeve is fixedly connected with the lower end of the corresponding through hole, a piston is arranged in the piston sleeve, the upper end of the piston is hinged with the lower end of the corresponding vertical rod, the lower end of the piston sleeve is connected with the corresponding hydraulic telescopic rod through a soft oil pipe, the left end of the soft oil pipe is communicated with an inner oil cavity of the piston sleeve, the right end of the soft oil pipe is communicated with an inner oil cavity of a fixed rod of the hydraulic telescopic rod, hydraulic oil is filled in the inner oil cavity of the piston sleeve, the inner oil cavity of the soft oil pipe and the inner oil cavity of the hydraulic telescopic rod, a second spring is sleeved on the left vertical rod, one end of the second spring is fixedly connected with the end of the electronic.
According to the music learning electronic organ, the lower end of the vertical rod positioned at the right end is sleeved with the third spring, one end of the third spring is fixedly connected with the bottom of the electronic organ positioned at the right side, and the other end of the third spring is fixedly connected with the side part of the vertical rod.
According to the music learning electronic organ, the side part of the lower end of the ball inlet is fixedly provided with the plurality of limiting blocks which are uniformly distributed.
According to the music learning electronic organ, the inner side of the shifting rod is fixedly connected with the side part of the ball storage tube through the fourth spring.
According to the music learning electronic organ, the transverse plate is fixedly arranged at the lower part of the outer end of the ball outlet, and the top surface of the transverse plate is provided with the arc-shaped groove.
The invention has the advantages that: the piano practice device needs cooperation of a teacher and students, is suitable for accurate key practice of the students following the teacher at the initial stage of piano practice, improves the interest of the students in piano practice, and quickly practices basic exercises. The teacher uses the left electronic organ, the student uses the right electronic organ, the teacher firstly presses the keys of specific notes, at the moment, the keys press the piston downwards through the vertical rods, the piston presses hydraulic oil into the corresponding hydraulic telescopic rods, the movable rods of the hydraulic telescopic rods extend out, ratchets at the end parts of the movable rods of the hydraulic telescopic rods are matched with the long ratchet wheel sleeves, at the moment, the student needs to accurately press the corresponding keys pressed by the teacher, after the students press the keys, the transverse rods corresponding to the keys rotate around the hinged parts of the transverse rods, the corresponding ratchets move along with the transverse rods, the long ratchet wheel sleeves are shifted by the ratchets, the long ratchet wheel sleeves drive the transverse shafts to rotate through the matching of the ratchet shafts, the driving wheels, the driving belts and the driven wheels, the transverse shafts drive the ring sleeves to rotate, the rings shift balls through shifting pieces, and after the students press enough keys, the balls are shifted to the ball outlet and then roll out from the ball outlet, this ball is as student's reward, under the promotion of first spring and plectane, the ball can be continuous enters into the staving through goal mouth and goal hole, then remove along with the plectrum, it can pull down the packing that carries out the ball to store up the bulb, the student always can have the ball to roll out from the goal mouth after the key to certain quantity, this design makes the student can obtain the reward after the key according to certain quantity, can make the student practice musical instrument more seriously, improve the student and practice musical instrument's enjoyment, effectual improvement student practices musical instrument's effect, through student and mr's follow key-press exercise, the basic merit of improvement piano that can be quick.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of the view from the direction A of FIG. 1; FIG. 3 is an enlarged view of a portion I of FIG. 1; fig. 4 is a partially enlarged view of a portion ii of fig. 1.
Reference numerals: 1 box 2 electronic organ 3 cross shaft 4 ring cover 5 plectrum 6 support 7 staving 8 ball inlet 9 ball inlet 10 ball inlet 11 connecting pipe 12 ball outlet 13 ball storage 14 pinhole 15 pin 16 installation piece 17 slot 18 deflector rod 19 circular plate 20 first spring 21 through hole 22 montant 23 cross bar 24 connecting rod 25 articulated rod 26 hydraulic telescopic link 27 axle bed 28 ratchet axle 29 long ratchet sleeve 30 ratchet 31 driving wheel 32 driven wheel 33 driving belt 34 piston sleeve 35 piston 36 soft oil pipe 37 hydraulic oil 38 third spring 39 limiting block 41 fourth spring 42 horizontal plate 43 arc groove 44 swash plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
An electronic organ for music learning comprises a box body 1 and two electronic organs 2, wherein the two electronic organs 2 are respectively positioned at the left side and the right side of the box body 1, the rear side of the electronic organ 2, which is far away from keys, is fixedly connected with the side part of the box body 1, a cross shaft 3 is arranged in the box body 1, the front end and the rear end of the cross shaft 3 are respectively movably connected with bearings on the front end face and the rear end face of the box body 1, the front end of the cross shaft 3 is positioned outside the box body 1, a ring sleeve 4 is fixedly arranged on the cross shaft 3, a plurality of evenly distributed plectrum 5 are fixedly arranged on the periphery of the ring sleeve 4, a barrel body 7 is fixedly arranged in the box body 1 through a plurality of brackets 6, the barrel body 7 is coaxial with the central line of the cross shaft 3, the ring sleeve 4 and the plectrum 5 are both positioned inside the barrel body 7, shaft holes are respectively formed at the front end and the rear end of the barrel, the inner end of the ball inlet 10 is fixedly connected with the outer end of the ball inlet hole 8 through a connecting pipe 11, the right side surface of the box body 1 is provided with a ball outlet 12, the lower side of the inner end of the ball outlet 12 is fixedly connected with the lower side of the outer end of the ball outlet hole 9 through an inclined plate 44, the lower part of the ball inlet 10 is provided with a ball storage pipe 13, two sides of the upper end of the ball storage pipe 13 are provided with pin holes 14, pins 15 are arranged in the pin holes 14, two sides of the outer end of the ball inlet 10 are respectively provided with a mounting block 16, the mounting blocks 16 are fixedly mounted at the bottom of the box body 1, one side surface of the mounting block 16 is provided with a slot 17, the outer end of each pin 15 can be inserted into the corresponding slot 17, a deflector rod 18 is fixedly mounted at the side part of each pin 15, a circular plate 19 is arranged in the ball storage pipe 13, the lower end of the circular plate 19 is fixedly connected with the inner bottom of the ball, the through hole 21 corresponds to the position of a key of the electronic organ 2, a vertical rod 22 is arranged in the through hole 21, the upper end of the vertical rod 22 is fixedly connected with the bottom of the corresponding key, a cross rod 23 is arranged at the lower part of the vertical rod 22 in the through hole 21 at the right side, the right end of the cross rod 23 is hinged with the lower end of the vertical rod 22 through a connecting rod 24, a hinged rod 25 is arranged between the middle part of the cross rod 23 and the bottom of the electronic organ 2 at the right side, the upper end of the hinged rod 25 is fixedly connected with the bottom of the electronic organ 2, the lower end of the hinged rod 25 is hinged with the side part of the cross rod 23, a hydraulic telescopic rod 26 is arranged at the left end of the cross rod 23, the hydraulic telescopic rod 26 is coaxial with the central line of the cross rod 23, the right end of the fixed rod of the hydraulic telescopic rod 26 is fixedly connected with the left end of the cross rod 23, a ratchet, ratchets 30 are respectively installed at the end parts of movable rods of the hydraulic telescopic rods 26, torsion springs are arranged on installation shafts, the ratchets 30 can be matched with long ratchet sleeves 29, driving wheels 31 are fixedly installed at the front ends of ratchet shafts 28, driven wheels 32 are fixedly installed at the front ends of cross shafts 3, the driving wheels 31 are connected with the driven wheels 32 through transmission belts 33, piston sleeves 34 are respectively arranged at the lower ends of through holes 21 positioned on the left sides, the upper ends of the piston sleeves 34 are fixedly connected with the lower ends of the corresponding through holes 21, pistons 35 are arranged in the piston sleeves 34, the upper ends of the pistons 35 are hinged with the lower ends of the corresponding vertical rods 22, the lower ends of the piston sleeves 34 are connected with the corresponding hydraulic telescopic rods 26 through flexible oil pipes 36, the left ends of the flexible oil pipes 36 are communicated with oil cavities in the piston sleeves 34, the right ends of the flexible oil pipes 36 are communicated with oil cavities in fixed rods of the hydraulic telescopic rods 26, hydraulic oil, the vertical rod 22 on the left side is sleeved with a second spring 38, one end of the second spring 38 is fixedly connected with the end part of the electronic organ 2, and the other end of the second spring 38 is fixedly connected with the upper end of the piston 35. The piano practice device needs cooperation of a teacher and students, is suitable for accurate key practice of the students following the teacher at the initial stage of piano practice, improves the interest of the students in piano practice, and quickly practices basic exercises. The teacher uses the left electronic organ 2, the student uses the right electronic organ 2, the teacher firstly presses the key of a specific note, at this time, the key presses the piston 35 downwards through the vertical rod 22, the piston 35 presses the hydraulic oil 37 into the corresponding hydraulic telescopic rod 26, so that the movable rod of the hydraulic telescopic rod 26 extends out, the ratchet 30 at the end of the movable rod of the hydraulic telescopic rod 26 is matched with the long ratchet sleeve 29, at this time, the student needs to accurately press the corresponding key pressed by the teacher, after the student presses the key, the cross rod 23 corresponding to the key rotates around the hinged joint of the key, the corresponding ratchet 30 moves along with the long ratchet sleeve 29, the long ratchet sleeve 29 stirs the long ratchet sleeve 29, the long ratchet sleeve 29 drives the cross shaft 3 to rotate through the matching of the ratchet shaft 28, the driving wheel 31, the driving belt 33 and the driven wheel 32, the cross shaft 3 drives the ring sleeve 4 to rotate, the ring sleeve 4 stirs the ball through the stirring piece 5, when a student presses enough keys, balls can be shifted to the ball outlet holes 9 and then roll out of the ball outlet 12, the balls serve as rewards of the student, under the pushing of the first springs 20 and the circular plate 19, the balls can continuously enter the barrel body 7 through the ball inlet 10 and the ball inlet holes 8 and then move along with the plectrum 5, the ball storage pipe 13 can be detached to fill the balls, the balls can roll out of the ball outlet 12 after each certain number of keys are pressed by the student, the design enables the student to obtain the rewards after a certain number of keys are pressed by the student, the piano practice of the student is more conscientious, the fun of piano practice of the student is improved, the piano practice effect of the student is effectively improved, and the basic work of the piano playing can be rapidly improved through the follow-up key practice of the student and a teacher.
Specifically, in the present embodiment, the third spring 39 is sleeved on the lower end of the vertical rod 22 located at the right end, one end of the third spring 39 is fixedly connected to the bottom of the electronic organ 2 located at the right side, and the other end of the third spring 39 is fixedly connected to the side portion of the vertical rod 22. The third spring 39 gives the montant 22 an ascending elasticity, and when playing a musical instrument, the third spring 39 gives the key an extra resistance, can simulate the dynamics of piano key, improves practitioner's finger force to the third spring 39 can help piano key, montant 22, the quick reset of horizontal pole 23, reduces the influence of the spare part of this electron musical instrument 2 lower part to key reset time.
Specifically, a plurality of limiting blocks 40 are fixedly installed on the side portion of the lower end of the ball inlet 10 in this embodiment and are uniformly distributed. The limiting block 40 can ensure that the upper end of the ball storage tube 13 is aligned with the ball inlet 10, and the condition that the ball is clamped due to misalignment is prevented.
Further, the inner side of the shift lever 18 of the present embodiment is fixedly connected to the side of the ball storage tube 13 through a fourth spring 41. The fourth spring 41 provides an elastic force to the shift lever 18, so that the outer end of the pin 15 can be ensured not to move out by itself after being inserted into the slot 17, and the ball storage tube 13 is firmly installed.
Furthermore, a transverse plate 42 is fixedly installed at the lower portion of the outer end of the ball outlet 12, and an arc-shaped groove 43 is formed on the top surface of the transverse plate 42. The ball rolled out from the ball outlet 12 falls into the arc-shaped groove 43 to collect the ball, and the ball is prevented from rolling to other positions and is not well collected.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (4)

1. Music study electronic organ, its characterized in that: comprises a box body (1) and two electronic organs (2), wherein the two electronic organs (2) are respectively positioned at the left side and the right side of the box body (1), the rear side of the electronic organs (2) far away from keys is fixedly connected with the lateral part of the box body (1), a transverse shaft (3) is arranged in the box body (1), the front end and the rear end of the transverse shaft (3) are respectively movably connected with bearings at the front end and the rear end of the box body (1), the front end of the transverse shaft (3) is positioned at the outer part of the box body (1), a ring sleeve (4) is fixedly arranged on the transverse shaft (3), a plurality of evenly distributed plectrum (5) are fixedly arranged at the periphery of the ring sleeve (4), a barrel body (7) is fixedly arranged in the box body (1) through a plurality of supports (6), the barrel body (7) is coaxial with the central line of the transverse shaft (3), the ring sleeve (4) and the plectrum (5) are both positioned in the barrel body, the lower side of the side surface of the barrel body (7) is provided with a ball inlet (8), the right side of the side surface of the barrel body (7) is provided with a ball outlet (9), the bottom of the box body (1) is provided with a ball inlet (10), the inner end of the ball inlet (10) is fixedly connected with the outer end of the ball inlet (8) through a connecting pipe (11), the right side surface of the box body (1) is provided with a ball outlet (12), the lower side of the inner end of the ball outlet (12) is fixedly connected with the lower side of the outer end of the ball outlet (9) through an inclined plate (44), the lower part of the ball inlet (10) is provided with a ball storage pipe (13), both sides of the upper end of the ball storage pipe (13) are provided with pin holes (14), pin columns (15) are arranged in the pin holes (14), both sides of the outer end of the ball inlet (10) are respectively provided with mounting blocks (16), the mounting blocks (16) are fixedly arranged at the bottom of the box body (1), one side, a deflector rod (18) is fixedly installed on the side portion of the pin column (15), a circular plate (19) is arranged in the ball storage tube (13), the lower end of the circular plate (19) is fixedly connected with the bottom in the ball storage tube (13) through a first spring (20), a plurality of balls for reward effect are arranged in the ball storage tube (13), a plurality of through holes (21) which are uniformly distributed are formed in the bottom of the electronic organ (2), the through holes (21) correspond to the positions of keys of the electronic organ (2), vertical rods (22) are arranged in the through holes (21), the upper ends of the vertical rods (22) are fixedly connected with the bottoms of the corresponding keys, cross rods (23) are arranged on the lower portions of the vertical rods (22) in the through holes (21) on the right side, the right ends of the cross rods (23) are hinged with the lower ends of the vertical rods (22) through connecting rods (24), hinged rods (25) are arranged between the middle portions of the cross rods, the upper end of a hinged rod (25) is fixedly connected with the bottom of an electronic organ (2), the lower end of the hinged rod (25) is hinged with the side part of a cross rod (23), a hydraulic telescopic rod (26) is arranged at the left end of the cross rod (23), the hydraulic telescopic rod (26) is coaxial with the center line of the cross rod (23), the right end of a fixed rod of the hydraulic telescopic rod (26) is fixedly connected with the left end of the cross rod (23), a ratchet shaft (28) is installed at the left side of the bottom of the electronic organ (2) on the right side through a shaft seat (27), the ratchet shaft (28) is parallel to a cross shaft (3), a long ratchet sleeve (29) is fixedly sleeved on the ratchet shaft (28), a torsion spring is installed at the end part of a movable rod of the hydraulic telescopic rod (26), the installation shaft is provided with a torsion spring, the ratchet (30) can be matched with the long ratchet sleeve (29), a driving wheel (31) is fixedly installed at the front, the driving wheel (31) is connected with the driven wheel (32) through a transmission belt (33), the lower ends of the through holes (21) on the left side are provided with piston sleeves (34), the upper ends of the piston sleeves (34) are fixedly connected with the lower ends of the corresponding through holes (21), the piston sleeves (34) are internally provided with pistons (35), the upper ends of the pistons (35) are hinged with the lower ends of the corresponding vertical rods (22), the lower ends of the piston sleeves (34) are connected with the corresponding hydraulic telescopic rods (26) through flexible oil pipes (36), the left ends of the flexible oil pipes (36) are communicated with oil cavities in the piston sleeves (34), the right ends of the flexible oil pipes (36) are communicated with oil cavities in fixed rods of the hydraulic telescopic rods (26), the oil cavities in the piston sleeves (34) and the flexible oil pipes (36) are filled with hydraulic oil (37), the second springs (38) are sleeved on the vertical rods (22) on the left side, one end of the second spring (38) is fixedly connected with the end of the electronic organ (2), the other end of the second spring (38) is fixedly connected with the upper end of the piston (35), the lower end of the vertical rod (22) positioned at the right end is sleeved with the third spring (39), one end of the third spring (39) is fixedly connected with the bottom of the electronic organ (2) positioned at the right side, the other end of the third spring (39) is fixedly connected with the side part of the vertical rod (22), the third spring 39 provides the vertical rod 22 with upward elastic force, and when the organ is played, the third spring 39 provides additional resistance for the keys.
2. The music learning electronic organ of claim 1, wherein: the side part of the lower end of the ball inlet (10) is fixedly provided with a plurality of limiting blocks (40) which are uniformly distributed.
3. The music learning electronic organ of claim 1, wherein: the inner side of the shifting lever (18) is fixedly connected with the side part of the ball storage tube (13) through a fourth spring (41).
4. The music learning electronic organ of claim 1, wherein: a transverse plate (42) is fixedly arranged at the lower part of the outer end of the ball outlet (12), and an arc-shaped groove (43) is formed in the top surface of the transverse plate (42).
CN201710744141.8A 2017-08-25 2017-08-25 Electronic organ for music learning Active CN107452362B (en)

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CN107452362B true CN107452362B (en) 2020-05-08

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108166563B (en) * 2017-12-12 2020-11-13 吉安品位环保科技有限公司 Secondary utilization device for domestic wastewater
CN109994017A (en) * 2018-12-01 2019-07-09 李昱婷 A kind of bonusing method for supplementary music practice

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0051398A1 (en) * 1980-10-27 1982-05-12 The Wurlitzer Company Action for electronic piano
CN2720536Y (en) * 2004-03-01 2005-08-24 李�杰 Electronic demontration device
CN201629060U (en) * 2010-01-25 2010-11-10 西安交通大学 Light guided piano learning device
CN102737534A (en) * 2011-04-13 2012-10-17 南京大学 Method for realizing unmarked augmented reality piano teaching system
JP5572324B2 (en) * 2009-03-11 2014-08-13 勇人 上岡 Display device for assisting practice of keyboard instruments
CN203895104U (en) * 2014-06-11 2014-10-22 新乡学院 Electronic organ support
CN106356048A (en) * 2015-07-22 2017-01-25 北京乐器研究所 Novel-structure electric piano keyboard

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0051398A1 (en) * 1980-10-27 1982-05-12 The Wurlitzer Company Action for electronic piano
CN2720536Y (en) * 2004-03-01 2005-08-24 李�杰 Electronic demontration device
JP5572324B2 (en) * 2009-03-11 2014-08-13 勇人 上岡 Display device for assisting practice of keyboard instruments
CN201629060U (en) * 2010-01-25 2010-11-10 西安交通大学 Light guided piano learning device
CN102737534A (en) * 2011-04-13 2012-10-17 南京大学 Method for realizing unmarked augmented reality piano teaching system
CN203895104U (en) * 2014-06-11 2014-10-22 新乡学院 Electronic organ support
CN106356048A (en) * 2015-07-22 2017-01-25 北京乐器研究所 Novel-structure electric piano keyboard

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