CN212112850U

CN212112850U - Portable piano fingering exercise device

Info

Publication number: CN212112850U
Application number: CN202020808596.9U
Authority: CN
Inventors: 曹静
Original assignee: Changsha Normal University
Current assignee: Changsha Normal University
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-12-08
Anticipated expiration: 2030-05-15

Abstract

The utility model provides a portable piano fingering exercise device, including first box, the inside left and right sides symmetry of first box sets up the belt pulley conveyer of two sets of horizontal transfer, belt pulley conveyer includes the action wheel, from driving wheel and belt, the action wheel all passes through the bearing with the inside front and back side of box with the pivot from the driving wheel and is connected, the action wheel all passes through step motor drive, the guide way that the bottom surface runs through is all seted up to the position department that the box top surface corresponds belt pulley conveyer, all set up the slider in the guide way, the slider bottom surface and the belt fixed connection who corresponds, equal fixed mounting second box on the slider, five through-holes are all seted up to second box top surface. This device can remind the student to use the finger through electric telescopic handle, tells student wobbling arm range through belt pulley device, and this device can be faster through the action of arm and finger when simulating playing the piano let the student form muscle memory, and the piano is played to help student that can be better, makes its training efficiency higher.

Description

Portable piano fingering exercise device

Technical Field

The utility model belongs to piano fingering exercise device field, specifically speaking are portable piano fingering exercise device.

Background

Many students play the piano according to the map in the practice at present, but when practicing, not only need to be familiar with the position of the key but also remember to play with that finger, the arm still needs to be moved correspondingly, often take one's foot away from the other in the practice, can't practice with high efficiency, probably can't let the finger relax because of the tension in the practice process, lead to hardly remembering the gimmick, practice the degree of difficulty great.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable piano fingering exercise device for solve the defect among the prior art.

The utility model discloses a following technical scheme realizes:

a portable piano fingering exercise device comprises a first box body, wherein two sets of belt pulley conveying devices for horizontal conveying are symmetrically arranged on the left side and the right side inside the first box body, each belt pulley conveying device comprises a driving wheel, a driven wheel and a belt, rotating shafts of the driving wheel and the driven wheel are connected with the front side and the rear side inside the box body through bearings, the driving wheels are driven by stepping motors, guide grooves with bottom surfaces penetrating through are formed in positions, corresponding to the belt pulley conveying devices, of the top surface of the box body, sliding blocks are arranged in the guide grooves, the bottom surfaces of the sliding blocks are fixedly connected with the corresponding belts, second box bodies are fixedly arranged on the sliding blocks, five through holes are formed in the top surfaces of the second box bodies, the positions of the through holes correspond to the positions where five fingers are placed when a piano is played, first square blocks and second square blocks are arranged in the through holes, the first square blocks are, first square and second square side all with through-hole side contact cooperation, and first square and second square can reciprocate in the through-hole, stretch out the through-hole on the first square, second square bottom surface all through vertical electric telescopic handle and the inside bottom surface fixed connection of second box, fixed mounting power and controller in the first box, power and step motor, electric telescopic handle and controller electric connection, controller and step motor and electric telescopic handle electric connection.

According to the portable piano fingering exercise device, the top surface of the first block is provided with the first groove which penetrates through the front and the back.

According to the portable piano fingering exercise device, the inner side face of the through hole corresponds to the circular ring which is fixedly installed horizontally between the first square block and the second square block, and when the electric telescopic rod does not extend, the top face of the circular ring is in contact fit with the bottom face of the corresponding first square block.

As above portable piano fingering exercise device, the top surface of the second square is fixedly provided with two vertical rods, the bottom surface of the first square is provided with a second groove corresponding to the vertical rods, and the vertical rods are in inserting fit with the corresponding second grooves.

The utility model has the advantages that: the utility model reminds the student to use the fingers by extending the electric telescopic rod, reminds the student of the swing amplitude of the arm by the belt pulley device, when in specific use, the student places each finger on the corresponding first square block, when playing a music, the corresponding electric telescopic rod extends when needing to use the finger, the electric telescopic rod extends to drive the corresponding second square block to move upwards, the second square block moves upwards to drive the corresponding first square block to move upwards through the spring, at the moment, the student can clearly feel the movement of the first square block through the fingers, the student can press down the corresponding first square block, the spring is compressed, therefore, in the process of practice, the fingers used at each time are different, the fingers correspond to different electric telescopic rod extensions, the student can effectively remember the order of the fingers used in the playing process according to the prompt of the device, when the arms need to swing synchronously in the playing process, the controller controls the stepping motor to rotate at the moment, the corresponding sliding blocks are driven to move left and right through the belt pulley device, the sliding blocks move to drive the second box body to move, and at the moment, the arms of the student move along with the second box body; the utility model discloses simple structure, it is with low costs, convenient to use can remind the finger that the student used through electric telescopic handle, tells student wobbling arm range through belt pulley device, and this device lets the student form muscle memory that can be faster through the action of arm and finger when simulating to play the piano, and the help student that can be better plays the piano, makes its training efficiency higher.

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 described 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 inventive labor.

Fig. 1 is a schematic structural view of the utility model; FIG. 2 is an enlarged view taken at point I in FIG. 1; fig. 3 is an enlarged view of the view from the direction a of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A portable piano fingering exercise device comprises a first box body 1, wherein two sets of horizontally-conveying belt pulley conveying devices are symmetrically arranged on the left side and the right side inside the first box body 1, each belt pulley conveying device comprises a driving wheel 2, a driven wheel 3 and a belt 4, rotating shafts of the driving wheel 2 and the driven wheel 3 are connected with the front side and the rear side inside the box body 1 through bearings, the driving wheels 2 are driven by stepping motors, guide grooves 5 with bottom surfaces penetrating are formed in positions, corresponding to the belt pulley conveying devices, of the top surface of the box body 1, sliding blocks 6 are arranged in the guide grooves 5, the bottom surfaces of the sliding blocks 6 are fixedly connected with the corresponding belts 4, second box bodies 7 are fixedly arranged on the sliding blocks 6, five through holes 8 are formed in the top surfaces of the second box bodies 7, the positions of the through holes 8 correspond to the positions where five fingers are placed when a piano is played, and first square, first square 9 is located second square 10 top, through spring 11 fixed connection between first square 9 and the second square 10, first square 9 and second square 10 side all with the cooperation of 8 side contacts of through-hole, and first square 9 and second square 10 can reciprocate in through-hole 8, through-hole 8 is stretched out to first square 9 upper end, second square 10 bottom surface all through vertical electric telescopic handle 12 and the inside bottom surface fixed connection of second box 7, fixed mounting power 13 and controller 14 in the first box 1, power 13 and step motor, electric telescopic handle 12 and controller 14 electric connection, controller 14 and step motor and electric telescopic handle 12 electric connection. The utility model reminds the student to use the fingers by extending the electric telescopic rod, reminds the student of the swing amplitude of the arm by the belt pulley device, when in specific use, the student places each finger on the corresponding first square 9, when the student plays a tune, and needs to use the finger, the corresponding electric telescopic rod 12 extends, the electric telescopic rod 12 extends to drive the corresponding second square 10 to move upwards, the second square 10 moves upwards to drive the corresponding first square 9 to move upwards through the spring 11, at the moment, the student can clearly feel the movement of the first square 9 through the finger, the student can press the corresponding first square 9, at the moment, the spring 11 is compressed, so that the fingers used at each time are different in the exercise process, the corresponding different electric telescopic rods 12 extend, the student can effectively remember the use sequence of the fingers in the playing process according to the prompt of the device, when the arms need to swing synchronously in the playing process, the controller 14 controls the stepping motor to rotate at the moment, the corresponding sliding block 6 is driven to move left and right through the belt pulley device, the sliding block 6 moves to drive the second box body 7 to move, and at the moment, the arms of the student move along with the second box body 7; the utility model discloses simple structure, it is with low costs, convenient to use can remind the finger that the student used through electric telescopic handle, tells student wobbling arm range through belt pulley device, and this device lets the student form muscle memory that can be faster through the action of arm and finger when simulating to play the piano, and the help student that can be better plays the piano, makes its training efficiency higher.

Specifically, as shown in the figure, the top surface of the first block 9 of the present embodiment is provided with a first groove 15 penetrating front and back. This design is put into corresponding first recess 15 respectively with the finger through the student in, at the in-process that belt pulley device drove the removal of second box 7, and first recess 15 sides can drive the student and remove about simultaneously to the direction that the suggestion student's arm that can be more convenient removed makes the student exercise more convenient.

Specifically, as shown in the figures, the horizontal circular rings 16 are fixedly installed between the inner side surfaces of the through holes 8 corresponding to the first blocks 9 and the second blocks 10, and when the electric telescopic rod 12 does not extend, the top surfaces of the circular rings 16 are in contact fit with the bottom surfaces of the corresponding first blocks 9. This design is when practising, if the student has pressed the wrong finger carelessly, and the first square 9 that corresponds can't be pushed down, and the first square 9 that can't be pushed down also gives the student a suggestion simultaneously, makes the student can realize the mistake of oneself and then corrects, and this design has certain warning function, and the help student that can be better remembers the gimmick when playing the piano, improves the efficiency of practising.

Further, as shown in the figure, two vertical rods 17 are fixedly mounted on the top surface of the second block 10, a second groove 18 is formed in the bottom surface of the first block 9 at a position corresponding to the vertical rod 17, and the vertical rod 17 is in insertion fit with the corresponding second groove 18. This design can play the guide effect under the effect of montant 17 and second recess 18, guarantees that the mutual removal between first square 9 and the second square 10 is more stable, makes this device use more reliable and stable.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a portable piano fingering exercise device which characterized in that: comprises a first box body (1), wherein two sets of belt pulley conveying devices for horizontal conveying are symmetrically arranged on the left side and the right side inside the first box body (1), each belt pulley conveying device comprises a driving wheel (2), a driven wheel (3) and a belt (4), rotating shafts of the driving wheel (2) and the driven wheel (3) are respectively connected with the front side surface and the rear side surface inside the box body (1) through bearings, the driving wheels (2) are driven by stepping motors, guide grooves (5) with bottom surfaces penetrating through are respectively formed in positions, corresponding to the belt pulley conveying devices, of the top surface of the box body (1), sliding blocks (6) are respectively arranged in the guide grooves (5), the bottom surfaces of the sliding blocks (6) are fixedly connected with the corresponding belts (4), second box bodies (7) are respectively and fixedly installed on the sliding blocks (6), five through holes (8) are respectively formed in the top surface of each second box body (7), and, a first square block (9) and a second square block (10) are arranged in the through hole (8), the first square block (9) is positioned above the second square block (10), the first square block (9) and the second square block (10) are fixedly connected through a spring (11), the side surfaces of the first square block (9) and the second square block (10) are in contact fit with the side surface of the through hole (8), and first square (9) and second square (10) can reciprocate in through-hole (8), through-hole (8) are stretched out to first square (9) upper end, second square (10) bottom surface all is through vertical electric telescopic handle (12) and the inside bottom surface fixed connection of second box (7), fixed mounting power (13) and controller (14) in first box (1), power (13) and step motor, electric telescopic handle (12) and controller (14) electric connection, controller (14) and step motor and electric telescopic handle (12) electric connection.

2. A portable piano fingering exercise device according to claim 1, wherein: the top surface of the first square block (9) is provided with a first groove (15) which penetrates through the front and the back.

3. A portable piano fingering exercise device according to claim 1, wherein: the inner side surface of the through hole (8) corresponds to a horizontal ring (16) fixedly installed between the first square block (9) and the second square block (10), and when the electric telescopic rod (12) does not extend, the top surface of the ring (16) is in contact fit with the bottom surface of the corresponding first square block (9).

4. A portable piano fingering exercise device according to claim 1, wherein: the top surface of the second square block (10) is fixedly provided with two vertical rods (17), the position of the bottom surface of the first square block (9) corresponding to the vertical rods (17) is provided with a second groove (18), and the vertical rods (17) are in inserting connection with the corresponding second grooves (18).